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Commit | Line | Data |
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31e31b8a FB |
1 | /* |
2 | * Linux syscalls | |
5fafdf24 | 3 | * |
31e31b8a FB |
4 | * Copyright (c) 2003 Fabrice Bellard |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
8167ee88 | 17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
31e31b8a | 18 | */ |
d5b3a9b6 | 19 | #define _ATFILE_SOURCE |
d39594e9 | 20 | #include "qemu/osdep.h" |
f348b6d1 VB |
21 | #include "qemu/cutils.h" |
22 | #include "qemu/path.h" | |
9bdfa4d2 | 23 | #include "qemu/memfd.h" |
dc5e9ac7 | 24 | #include "qemu/queue.h" |
720ace24 | 25 | #include "qemu/plugin.h" |
fe080593 | 26 | #include "target_mman.h" |
31e31b8a FB |
27 | #include <elf.h> |
28 | #include <endian.h> | |
c56dc774 | 29 | #include <grp.h> |
d08d3bb8 TS |
30 | #include <sys/ipc.h> |
31 | #include <sys/msg.h> | |
31e31b8a | 32 | #include <sys/wait.h> |
31e31b8a | 33 | #include <sys/mount.h> |
586b0bef JS |
34 | #include <sys/file.h> |
35 | #include <sys/fsuid.h> | |
36 | #include <sys/personality.h> | |
39b9aae1 | 37 | #include <sys/prctl.h> |
31e31b8a | 38 | #include <sys/resource.h> |
31e31b8a | 39 | #include <sys/swap.h> |
e0eb210e | 40 | #include <linux/capability.h> |
31e31b8a | 41 | #include <sched.h> |
19f59bce | 42 | #include <sys/timex.h> |
31e31b8a | 43 | #include <sys/socket.h> |
6d5d5dde | 44 | #include <linux/sockios.h> |
607175e0 | 45 | #include <sys/un.h> |
31e31b8a | 46 | #include <sys/uio.h> |
0839f11c | 47 | #include <poll.h> |
32f36bce | 48 | #include <sys/times.h> |
8853f86e | 49 | #include <sys/shm.h> |
fa294816 | 50 | #include <sys/sem.h> |
56c8f68f | 51 | #include <sys/statfs.h> |
ebc05488 | 52 | #include <utime.h> |
a5448a7d | 53 | #include <sys/sysinfo.h> |
e36800c9 | 54 | #include <sys/signalfd.h> |
72f03900 | 55 | //#include <sys/user.h> |
22db1213 | 56 | #include <netinet/in.h> |
8853f86e | 57 | #include <netinet/ip.h> |
7854b056 | 58 | #include <netinet/tcp.h> |
fe51b0a5 | 59 | #include <netinet/udp.h> |
86fcd946 | 60 | #include <linux/wireless.h> |
920394db | 61 | #include <linux/icmp.h> |
ee1ac3a1 | 62 | #include <linux/icmpv6.h> |
6addf06a | 63 | #include <linux/if_tun.h> |
22db1213 | 64 | #include <linux/in6.h> |
ee1ac3a1 | 65 | #include <linux/errqueue.h> |
d6d6d6fe | 66 | #include <linux/random.h> |
d80a1905 RV |
67 | #ifdef CONFIG_TIMERFD |
68 | #include <sys/timerfd.h> | |
69 | #endif | |
c2882b96 RV |
70 | #ifdef CONFIG_EVENTFD |
71 | #include <sys/eventfd.h> | |
72 | #endif | |
3b6edd16 PM |
73 | #ifdef CONFIG_EPOLL |
74 | #include <sys/epoll.h> | |
75 | #endif | |
a790ae38 | 76 | #ifdef CONFIG_ATTR |
1de7afc9 | 77 | #include "qemu/xattr.h" |
a790ae38 | 78 | #endif |
a8fd1aba PM |
79 | #ifdef CONFIG_SENDFILE |
80 | #include <sys/sendfile.h> | |
81 | #endif | |
4a9d5f89 | 82 | #ifdef HAVE_SYS_KCOV_H |
bd27e675 AM |
83 | #include <sys/kcov.h> |
84 | #endif | |
31e31b8a FB |
85 | |
86 | #define termios host_termios | |
87 | #define winsize host_winsize | |
88 | #define termio host_termio | |
04369ff2 FB |
89 | #define sgttyb host_sgttyb /* same as target */ |
90 | #define tchars host_tchars /* same as target */ | |
91 | #define ltchars host_ltchars /* same as target */ | |
31e31b8a FB |
92 | |
93 | #include <linux/termios.h> | |
94 | #include <linux/unistd.h> | |
31e31b8a FB |
95 | #include <linux/cdrom.h> |
96 | #include <linux/hdreg.h> | |
97 | #include <linux/soundcard.h> | |
19b84f3c | 98 | #include <linux/kd.h> |
8fbd6b52 | 99 | #include <linux/mtio.h> |
350d1779 | 100 | #include <linux/fs.h> |
ab22b4dd | 101 | #include <linux/fd.h> |
dace20dc | 102 | #if defined(CONFIG_FIEMAP) |
285da2b9 | 103 | #include <linux/fiemap.h> |
dace20dc | 104 | #endif |
f7680a55 | 105 | #include <linux/fb.h> |
6c753a63 CT |
106 | #if defined(CONFIG_USBFS) |
107 | #include <linux/usbdevice_fs.h> | |
a133367e | 108 | #include <linux/usb/ch9.h> |
6c753a63 | 109 | #endif |
f7680a55 | 110 | #include <linux/vt.h> |
56e904ec | 111 | #include <linux/dm-ioctl.h> |
c07ecc68 | 112 | #include <linux/reboot.h> |
7ff7b666 | 113 | #include <linux/route.h> |
f57d4192 | 114 | #include <linux/filter.h> |
fff8c539 | 115 | #include <linux/blkpg.h> |
a82ea939 | 116 | #include <netpacket/packet.h> |
6c5b5645 | 117 | #include <linux/netlink.h> |
f31dddd2 | 118 | #include <linux/if_alg.h> |
68365f96 | 119 | #include <linux/rtc.h> |
1c4c6fcd | 120 | #include <sound/asound.h> |
48f670ec | 121 | #ifdef HAVE_BTRFS_H |
d6092e08 FB |
122 | #include <linux/btrfs.h> |
123 | #endif | |
e865b97f CG |
124 | #ifdef HAVE_DRM_H |
125 | #include <libdrm/drm.h> | |
913b03c2 | 126 | #include <libdrm/i915_drm.h> |
e865b97f | 127 | #endif |
d7e4036e | 128 | #include "linux_loop.h" |
18cb0088 | 129 | #include "uname.h" |
31e31b8a | 130 | |
3ef693a0 | 131 | #include "qemu.h" |
3b249d26 | 132 | #include "user-internals.h" |
a44d57a3 | 133 | #include "strace.h" |
2113aed6 | 134 | #include "signal-common.h" |
3ad0a769 | 135 | #include "loader.h" |
5423e6d3 | 136 | #include "user-mmap.h" |
bbf15aaf | 137 | #include "user/safe-syscall.h" |
5ebdd774 | 138 | #include "qemu/guest-random.h" |
01ef6b9e | 139 | #include "qemu/selfmap.h" |
c36f7a64 | 140 | #include "user/syscall-trace.h" |
5da4063f | 141 | #include "special-errno.h" |
51977e25 | 142 | #include "qapi/error.h" |
f7e6a401 | 143 | #include "fd-trans.h" |
dcb32f1d | 144 | #include "tcg/tcg.h" |
bd5ccd61 | 145 | #include "cpu_loop-common.h" |
31e31b8a | 146 | |
5ea2fc84 PM |
147 | #ifndef CLONE_IO |
148 | #define CLONE_IO 0x80000000 /* Clone io context */ | |
149 | #endif | |
150 | ||
151 | /* We can't directly call the host clone syscall, because this will | |
152 | * badly confuse libc (breaking mutexes, for example). So we must | |
153 | * divide clone flags into: | |
154 | * * flag combinations that look like pthread_create() | |
155 | * * flag combinations that look like fork() | |
156 | * * flags we can implement within QEMU itself | |
157 | * * flags we can't support and will return an error for | |
158 | */ | |
159 | /* For thread creation, all these flags must be present; for | |
160 | * fork, none must be present. | |
161 | */ | |
162 | #define CLONE_THREAD_FLAGS \ | |
163 | (CLONE_VM | CLONE_FS | CLONE_FILES | \ | |
164 | CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM) | |
165 | ||
166 | /* These flags are ignored: | |
167 | * CLONE_DETACHED is now ignored by the kernel; | |
168 | * CLONE_IO is just an optimisation hint to the I/O scheduler | |
169 | */ | |
170 | #define CLONE_IGNORED_FLAGS \ | |
171 | (CLONE_DETACHED | CLONE_IO) | |
172 | ||
895ce8bb HD |
173 | #ifndef CLONE_PIDFD |
174 | # define CLONE_PIDFD 0x00001000 | |
175 | #endif | |
176 | ||
5ea2fc84 PM |
177 | /* Flags for fork which we can implement within QEMU itself */ |
178 | #define CLONE_OPTIONAL_FORK_FLAGS \ | |
895ce8bb | 179 | (CLONE_SETTLS | CLONE_PARENT_SETTID | CLONE_PIDFD | \ |
5ea2fc84 PM |
180 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID) |
181 | ||
182 | /* Flags for thread creation which we can implement within QEMU itself */ | |
183 | #define CLONE_OPTIONAL_THREAD_FLAGS \ | |
184 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
185 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT) | |
186 | ||
187 | #define CLONE_INVALID_FORK_FLAGS \ | |
188 | (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS)) | |
189 | ||
190 | #define CLONE_INVALID_THREAD_FLAGS \ | |
191 | (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \ | |
192 | CLONE_IGNORED_FLAGS)) | |
193 | ||
194 | /* CLONE_VFORK is special cased early in do_fork(). The other flag bits | |
195 | * have almost all been allocated. We cannot support any of | |
196 | * CLONE_NEWNS, CLONE_NEWCGROUP, CLONE_NEWUTS, CLONE_NEWIPC, | |
197 | * CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_PTRACE, CLONE_UNTRACED. | |
198 | * The checks against the invalid thread masks above will catch these. | |
199 | * (The one remaining unallocated bit is 0x1000 which used to be CLONE_PID.) | |
200 | */ | |
30813cea | 201 | |
71a8f7fe TB |
202 | /* Define DEBUG_ERESTARTSYS to force every syscall to be restarted |
203 | * once. This exercises the codepaths for restart. | |
204 | */ | |
205 | //#define DEBUG_ERESTARTSYS | |
31e31b8a | 206 | |
1a9353d2 | 207 | //#include <linux/msdos_fs.h> |
540a736f RH |
208 | #define VFAT_IOCTL_READDIR_BOTH \ |
209 | _IOC(_IOC_READ, 'r', 1, (sizeof(struct linux_dirent) + 256) * 2) | |
210 | #define VFAT_IOCTL_READDIR_SHORT \ | |
211 | _IOC(_IOC_READ, 'r', 2, (sizeof(struct linux_dirent) + 256) * 2) | |
1a9353d2 | 212 | |
70a194b9 FB |
213 | #undef _syscall0 |
214 | #undef _syscall1 | |
215 | #undef _syscall2 | |
216 | #undef _syscall3 | |
217 | #undef _syscall4 | |
218 | #undef _syscall5 | |
83fcb515 | 219 | #undef _syscall6 |
70a194b9 | 220 | |
83fcb515 | 221 | #define _syscall0(type,name) \ |
8fcd3692 | 222 | static type name (void) \ |
83fcb515 FB |
223 | { \ |
224 | return syscall(__NR_##name); \ | |
225 | } | |
70a194b9 | 226 | |
83fcb515 | 227 | #define _syscall1(type,name,type1,arg1) \ |
8fcd3692 | 228 | static type name (type1 arg1) \ |
83fcb515 FB |
229 | { \ |
230 | return syscall(__NR_##name, arg1); \ | |
70a194b9 FB |
231 | } |
232 | ||
83fcb515 | 233 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
8fcd3692 | 234 | static type name (type1 arg1,type2 arg2) \ |
83fcb515 FB |
235 | { \ |
236 | return syscall(__NR_##name, arg1, arg2); \ | |
70a194b9 FB |
237 | } |
238 | ||
83fcb515 | 239 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
8fcd3692 | 240 | static type name (type1 arg1,type2 arg2,type3 arg3) \ |
83fcb515 FB |
241 | { \ |
242 | return syscall(__NR_##name, arg1, arg2, arg3); \ | |
70a194b9 FB |
243 | } |
244 | ||
83fcb515 | 245 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
8fcd3692 | 246 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
83fcb515 FB |
247 | { \ |
248 | return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
70a194b9 FB |
249 | } |
250 | ||
83fcb515 FB |
251 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
252 | type5,arg5) \ | |
8fcd3692 | 253 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
83fcb515 FB |
254 | { \ |
255 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
70a194b9 FB |
256 | } |
257 | ||
83fcb515 FB |
258 | |
259 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ | |
260 | type5,arg5,type6,arg6) \ | |
8fcd3692 BS |
261 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ |
262 | type6 arg6) \ | |
83fcb515 FB |
263 | { \ |
264 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
70a194b9 | 265 | } |
83fcb515 | 266 | |
70a194b9 | 267 | |
31e31b8a | 268 | #define __NR_sys_uname __NR_uname |
72f03900 | 269 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 270 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 271 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 272 | #define __NR_sys_getpriority __NR_getpriority |
66fb9763 | 273 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
cf8b8bfc | 274 | #define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo |
7494b0f9 | 275 | #define __NR_sys_syslog __NR_syslog |
14690296 AF |
276 | #if defined(__NR_futex) |
277 | # define __NR_sys_futex __NR_futex | |
278 | #endif | |
279 | #if defined(__NR_futex_time64) | |
280 | # define __NR_sys_futex_time64 __NR_futex_time64 | |
281 | #endif | |
efa92184 | 282 | #define __NR_sys_statx __NR_statx |
31e31b8a | 283 | |
b1cef6d0 | 284 | #if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__) |
9af9eaaa FB |
285 | #define __NR__llseek __NR_lseek |
286 | #endif | |
287 | ||
a29e5ba2 JH |
288 | /* Newer kernel ports have llseek() instead of _llseek() */ |
289 | #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek) | |
290 | #define TARGET_NR__llseek TARGET_NR_llseek | |
291 | #endif | |
292 | ||
78721301 HD |
293 | /* some platforms need to mask more bits than just TARGET_O_NONBLOCK */ |
294 | #ifndef TARGET_O_NONBLOCK_MASK | |
295 | #define TARGET_O_NONBLOCK_MASK TARGET_O_NONBLOCK | |
296 | #endif | |
297 | ||
71ba74f6 DB |
298 | #define __NR_sys_gettid __NR_gettid |
299 | _syscall0(int, sys_gettid) | |
2b3f64cb PM |
300 | |
301 | /* For the 64-bit guest on 32-bit host case we must emulate | |
302 | * getdents using getdents64, because otherwise the host | |
303 | * might hand us back more dirent records than we can fit | |
304 | * into the guest buffer after structure format conversion. | |
305 | * Otherwise we emulate getdents with getdents if the host has it. | |
306 | */ | |
307 | #if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS | |
308 | #define EMULATE_GETDENTS_WITH_GETDENTS | |
309 | #endif | |
310 | ||
311 | #if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS) | |
ac42f443 | 312 | _syscall3(int, sys_getdents, unsigned int, fd, struct linux_dirent *, dirp, unsigned int, count); |
3307e236 | 313 | #endif |
2b3f64cb PM |
314 | #if (defined(TARGET_NR_getdents) && \ |
315 | !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \ | |
3307e236 | 316 | (defined(TARGET_NR_getdents64) && defined(__NR_getdents64)) |
ac42f443 | 317 | _syscall3(int, sys_getdents64, unsigned int, fd, struct linux_dirent64 *, dirp, unsigned int, count); |
3b3f24ad | 318 | #endif |
d35b261c | 319 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
ac42f443 JQ |
320 | _syscall5(int, _llseek, unsigned int, fd, unsigned long, hi, unsigned long, lo, |
321 | loff_t *, res, unsigned int, wh); | |
3b3f24ad | 322 | #endif |
c1a402a7 | 323 | _syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo) |
cf8b8bfc MS |
324 | _syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig, |
325 | siginfo_t *, uinfo) | |
3b3f24ad | 326 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) |
3b3f24ad AJ |
327 | #ifdef __NR_exit_group |
328 | _syscall1(int,exit_group,int,error_code) | |
329 | #endif | |
af804f39 HD |
330 | #if defined(__NR_close_range) && defined(TARGET_NR_close_range) |
331 | #define __NR_sys_close_range __NR_close_range | |
332 | _syscall3(int,sys_close_range,int,first,int,last,int,flags) | |
333 | #ifndef CLOSE_RANGE_CLOEXEC | |
334 | #define CLOSE_RANGE_CLOEXEC (1U << 2) | |
335 | #endif | |
336 | #endif | |
14690296 | 337 | #if defined(__NR_futex) |
3b3f24ad AJ |
338 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, |
339 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
340 | #endif | |
14690296 AF |
341 | #if defined(__NR_futex_time64) |
342 | _syscall6(int,sys_futex_time64,int *,uaddr,int,op,int,val, | |
343 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
344 | #endif | |
cc054c6f HD |
345 | #if defined(__NR_pidfd_open) && defined(TARGET_NR_pidfd_open) |
346 | _syscall2(int, pidfd_open, pid_t, pid, unsigned int, flags); | |
347 | #endif | |
348 | #if defined(__NR_pidfd_send_signal) && defined(TARGET_NR_pidfd_send_signal) | |
349 | _syscall4(int, pidfd_send_signal, int, pidfd, int, sig, siginfo_t *, info, | |
350 | unsigned int, flags); | |
351 | #endif | |
352 | #if defined(__NR_pidfd_getfd) && defined(TARGET_NR_pidfd_getfd) | |
353 | _syscall3(int, pidfd_getfd, int, pidfd, int, targetfd, unsigned int, flags); | |
354 | #endif | |
737de1d1 MF |
355 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
356 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
357 | unsigned long *, user_mask_ptr); | |
358 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
359 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
360 | unsigned long *, user_mask_ptr); | |
45ad761c TT |
361 | /* sched_attr is not defined in glibc */ |
362 | struct sched_attr { | |
363 | uint32_t size; | |
364 | uint32_t sched_policy; | |
365 | uint64_t sched_flags; | |
366 | int32_t sched_nice; | |
367 | uint32_t sched_priority; | |
368 | uint64_t sched_runtime; | |
369 | uint64_t sched_deadline; | |
370 | uint64_t sched_period; | |
371 | uint32_t sched_util_min; | |
372 | uint32_t sched_util_max; | |
373 | }; | |
374 | #define __NR_sys_sched_getattr __NR_sched_getattr | |
375 | _syscall4(int, sys_sched_getattr, pid_t, pid, struct sched_attr *, attr, | |
376 | unsigned int, size, unsigned int, flags); | |
377 | #define __NR_sys_sched_setattr __NR_sched_setattr | |
378 | _syscall3(int, sys_sched_setattr, pid_t, pid, struct sched_attr *, attr, | |
379 | unsigned int, flags); | |
407a119b TT |
380 | #define __NR_sys_sched_getscheduler __NR_sched_getscheduler |
381 | _syscall1(int, sys_sched_getscheduler, pid_t, pid); | |
382 | #define __NR_sys_sched_setscheduler __NR_sched_setscheduler | |
383 | _syscall3(int, sys_sched_setscheduler, pid_t, pid, int, policy, | |
384 | const struct sched_param *, param); | |
385 | #define __NR_sys_sched_getparam __NR_sched_getparam | |
386 | _syscall2(int, sys_sched_getparam, pid_t, pid, | |
387 | struct sched_param *, param); | |
388 | #define __NR_sys_sched_setparam __NR_sched_setparam | |
389 | _syscall2(int, sys_sched_setparam, pid_t, pid, | |
390 | const struct sched_param *, param); | |
b827c3ed ST |
391 | #define __NR_sys_getcpu __NR_getcpu |
392 | _syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache); | |
0f6b4d21 AG |
393 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
394 | void *, arg); | |
e0eb210e PM |
395 | _syscall2(int, capget, struct __user_cap_header_struct *, header, |
396 | struct __user_cap_data_struct *, data); | |
397 | _syscall2(int, capset, struct __user_cap_header_struct *, header, | |
398 | struct __user_cap_data_struct *, data); | |
ab31cda3 PB |
399 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
400 | _syscall2(int, ioprio_get, int, which, int, who) | |
401 | #endif | |
402 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
403 | _syscall3(int, ioprio_set, int, which, int, who, int, ioprio) | |
404 | #endif | |
f894efd1 LV |
405 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
406 | _syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags) | |
407 | #endif | |
3b3f24ad | 408 | |
2f14788c LV |
409 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
410 | _syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type, | |
411 | unsigned long, idx1, unsigned long, idx2) | |
412 | #endif | |
413 | ||
efa92184 AR |
414 | /* |
415 | * It is assumed that struct statx is architecture independent. | |
416 | */ | |
417 | #if defined(TARGET_NR_statx) && defined(__NR_statx) | |
418 | _syscall5(int, sys_statx, int, dirfd, const char *, pathname, int, flags, | |
419 | unsigned int, mask, struct target_statx *, statxbuf) | |
420 | #endif | |
8500476f AS |
421 | #if defined(TARGET_NR_membarrier) && defined(__NR_membarrier) |
422 | _syscall2(int, membarrier, int, cmd, int, flags) | |
423 | #endif | |
efa92184 | 424 | |
180d4ef3 | 425 | static const bitmask_transtbl fcntl_flags_tbl[] = { |
3b3f24ad AJ |
426 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, |
427 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
428 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
429 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
430 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
431 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
432 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
433 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 434 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
435 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
436 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
437 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
438 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
439 | #if defined(O_DIRECT) |
440 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
441 | #endif |
442 | #if defined(O_NOATIME) | |
443 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
444 | #endif | |
445 | #if defined(O_CLOEXEC) | |
446 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
447 | #endif | |
448 | #if defined(O_PATH) | |
449 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
5f9cee46 RV |
450 | #endif |
451 | #if defined(O_TMPFILE) | |
452 | { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE }, | |
afc8763f RH |
453 | #endif |
454 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
455 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
456 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad | 457 | #endif |
3b3f24ad AJ |
458 | }; |
459 | ||
0f6bb195 | 460 | _syscall2(int, sys_getcwd1, char *, buf, size_t, size) |
3b3f24ad | 461 | |
cac46eb0 | 462 | #if defined(TARGET_NR_utimensat) || defined(TARGET_NR_utimensat_time64) |
700fa58e | 463 | #if defined(__NR_utimensat) |
1acae9f2 | 464 | #define __NR_sys_utimensat __NR_utimensat |
9007f0ef TS |
465 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
466 | const struct timespec *,tsp,int,flags) | |
1acae9f2 PM |
467 | #else |
468 | static int sys_utimensat(int dirfd, const char *pathname, | |
469 | const struct timespec times[2], int flags) | |
470 | { | |
471 | errno = ENOSYS; | |
472 | return -1; | |
473 | } | |
9007f0ef | 474 | #endif |
1acae9f2 | 475 | #endif /* TARGET_NR_utimensat */ |
3b3f24ad | 476 | |
95d0307c AS |
477 | #ifdef TARGET_NR_renameat2 |
478 | #if defined(__NR_renameat2) | |
479 | #define __NR_sys_renameat2 __NR_renameat2 | |
480 | _syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd, | |
481 | const char *, new, unsigned int, flags) | |
482 | #else | |
483 | static int sys_renameat2(int oldfd, const char *old, | |
484 | int newfd, const char *new, int flags) | |
485 | { | |
486 | if (flags == 0) { | |
487 | return renameat(oldfd, old, newfd, new); | |
488 | } | |
489 | errno = ENOSYS; | |
490 | return -1; | |
491 | } | |
492 | #endif | |
493 | #endif /* TARGET_NR_renameat2 */ | |
494 | ||
3b3f24ad | 495 | #ifdef CONFIG_INOTIFY |
8690e420 | 496 | #include <sys/inotify.h> |
3b3f24ad AJ |
497 | #else |
498 | /* Userspace can usually survive runtime without inotify */ | |
499 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 500 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
501 | #undef TARGET_NR_inotify_add_watch |
502 | #undef TARGET_NR_inotify_rm_watch | |
503 | #endif /* CONFIG_INOTIFY */ | |
504 | ||
163a05a8 PM |
505 | #if defined(TARGET_NR_prlimit64) |
506 | #ifndef __NR_prlimit64 | |
507 | # define __NR_prlimit64 -1 | |
508 | #endif | |
509 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
510 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
511 | struct host_rlimit64 { | |
512 | uint64_t rlim_cur; | |
513 | uint64_t rlim_max; | |
514 | }; | |
515 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
516 | const struct host_rlimit64 *, new_limit, | |
517 | struct host_rlimit64 *, old_limit) | |
518 | #endif | |
519 | ||
f4f1e10a ECL |
520 | |
521 | #if defined(TARGET_NR_timer_create) | |
6f9ff551 | 522 | /* Maximum of 32 active POSIX timers allowed at any one time. */ |
9e59899f PM |
523 | #define GUEST_TIMER_MAX 32 |
524 | static timer_t g_posix_timers[GUEST_TIMER_MAX]; | |
525 | static int g_posix_timer_allocated[GUEST_TIMER_MAX]; | |
f4f1e10a ECL |
526 | |
527 | static inline int next_free_host_timer(void) | |
528 | { | |
9e59899f PM |
529 | int k; |
530 | for (k = 0; k < ARRAY_SIZE(g_posix_timer_allocated); k++) { | |
531 | if (qatomic_xchg(g_posix_timer_allocated + k, 1) == 0) { | |
f4f1e10a ECL |
532 | return k; |
533 | } | |
534 | } | |
535 | return -1; | |
536 | } | |
9e59899f PM |
537 | |
538 | static inline void free_host_timer_slot(int id) | |
539 | { | |
540 | qatomic_store_release(g_posix_timer_allocated + id, 0); | |
541 | } | |
f4f1e10a ECL |
542 | #endif |
543 | ||
3ffe3268 | 544 | static inline int host_to_target_errno(int host_errno) |
637947f1 | 545 | { |
3ffe3268 PMD |
546 | switch (host_errno) { |
547 | #define E(X) case X: return TARGET_##X; | |
548 | #include "errnos.c.inc" | |
549 | #undef E | |
550 | default: | |
551 | return host_errno; | |
2466119c | 552 | } |
637947f1 TS |
553 | } |
554 | ||
3ffe3268 | 555 | static inline int target_to_host_errno(int target_errno) |
b92c47c1 | 556 | { |
3ffe3268 PMD |
557 | switch (target_errno) { |
558 | #define E(X) case TARGET_##X: return X; | |
559 | #include "errnos.c.inc" | |
560 | #undef E | |
561 | default: | |
562 | return target_errno; | |
2466119c | 563 | } |
b92c47c1 TS |
564 | } |
565 | ||
892a4f6a | 566 | abi_long get_errno(abi_long ret) |
31e31b8a FB |
567 | { |
568 | if (ret == -1) | |
637947f1 | 569 | return -host_to_target_errno(errno); |
31e31b8a FB |
570 | else |
571 | return ret; | |
572 | } | |
573 | ||
7dcdaeaf | 574 | const char *target_strerror(int err) |
b92c47c1 | 575 | { |
af254a27 | 576 | if (err == QEMU_ERESTARTSYS) { |
da2a34f7 PM |
577 | return "To be restarted"; |
578 | } | |
57a0c938 | 579 | if (err == QEMU_ESIGRETURN) { |
da2a34f7 PM |
580 | return "Successful exit from sigreturn"; |
581 | } | |
582 | ||
b92c47c1 TS |
583 | return strerror(target_to_host_errno(err)); |
584 | } | |
585 | ||
45ad761c TT |
586 | static int check_zeroed_user(abi_long addr, size_t ksize, size_t usize) |
587 | { | |
588 | int i; | |
589 | uint8_t b; | |
590 | if (usize <= ksize) { | |
591 | return 1; | |
592 | } | |
593 | for (i = ksize; i < usize; i++) { | |
594 | if (get_user_u8(b, addr + i)) { | |
595 | return -TARGET_EFAULT; | |
596 | } | |
597 | if (b != 0) { | |
598 | return 0; | |
599 | } | |
600 | } | |
601 | return 1; | |
602 | } | |
603 | ||
4d330cee TB |
604 | #define safe_syscall0(type, name) \ |
605 | static type safe_##name(void) \ | |
606 | { \ | |
607 | return safe_syscall(__NR_##name); \ | |
608 | } | |
609 | ||
610 | #define safe_syscall1(type, name, type1, arg1) \ | |
611 | static type safe_##name(type1 arg1) \ | |
612 | { \ | |
613 | return safe_syscall(__NR_##name, arg1); \ | |
614 | } | |
615 | ||
616 | #define safe_syscall2(type, name, type1, arg1, type2, arg2) \ | |
617 | static type safe_##name(type1 arg1, type2 arg2) \ | |
618 | { \ | |
619 | return safe_syscall(__NR_##name, arg1, arg2); \ | |
620 | } | |
621 | ||
622 | #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ | |
623 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \ | |
624 | { \ | |
625 | return safe_syscall(__NR_##name, arg1, arg2, arg3); \ | |
626 | } | |
627 | ||
628 | #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
629 | type4, arg4) \ | |
630 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ | |
631 | { \ | |
632 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
633 | } | |
634 | ||
635 | #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
636 | type4, arg4, type5, arg5) \ | |
637 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
638 | type5 arg5) \ | |
639 | { \ | |
640 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
641 | } | |
642 | ||
643 | #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
644 | type4, arg4, type5, arg5, type6, arg6) \ | |
645 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
646 | type5 arg5, type6 arg6) \ | |
647 | { \ | |
648 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
649 | } | |
650 | ||
50afd02b TB |
651 | safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count) |
652 | safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count) | |
c10a0738 TB |
653 | safe_syscall4(int, openat, int, dirfd, const char *, pathname, \ |
654 | int, flags, mode_t, mode) | |
859e8a89 | 655 | #if defined(TARGET_NR_wait4) || defined(TARGET_NR_waitpid) |
4af80a37 TB |
656 | safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \ |
657 | struct rusage *, rusage) | |
859e8a89 | 658 | #endif |
4af80a37 TB |
659 | safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \ |
660 | int, options, struct rusage *, rusage) | |
7a8d9f3a | 661 | safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp) |
55bbe4d5 DD |
662 | safe_syscall5(int, execveat, int, dirfd, const char *, filename, |
663 | char **, argv, char **, envp, int, flags) | |
859e8a89 | 664 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \ |
e5ce9688 | 665 | defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64) |
6df9d38d PM |
666 | safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \ |
667 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig) | |
859e8a89 | 668 | #endif |
e5ce9688 | 669 | #if defined(TARGET_NR_ppoll) || defined(TARGET_NR_ppoll_time64) |
a6130237 PM |
670 | safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds, |
671 | struct timespec *, tsp, const sigset_t *, sigmask, | |
672 | size_t, sigsetsize) | |
859e8a89 | 673 | #endif |
227f0214 PM |
674 | safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events, |
675 | int, maxevents, int, timeout, const sigset_t *, sigmask, | |
676 | size_t, sigsetsize) | |
14690296 | 677 | #if defined(__NR_futex) |
d509eeb1 PM |
678 | safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \ |
679 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
859e8a89 | 680 | #endif |
14690296 AF |
681 | #if defined(__NR_futex_time64) |
682 | safe_syscall6(int,futex_time64,int *,uaddr,int,op,int,val, \ | |
683 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
684 | #endif | |
2fe4fba1 | 685 | safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize) |
bef653d9 PM |
686 | safe_syscall2(int, kill, pid_t, pid, int, sig) |
687 | safe_syscall2(int, tkill, int, tid, int, sig) | |
688 | safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig) | |
918c03ed PM |
689 | safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt) |
690 | safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt) | |
0f26386c DJ |
691 | safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt, |
692 | unsigned long, pos_l, unsigned long, pos_h) | |
f8d00fba DJ |
693 | safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt, |
694 | unsigned long, pos_l, unsigned long, pos_h) | |
2a3c7619 PM |
695 | safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr, |
696 | socklen_t, addrlen) | |
66687530 PM |
697 | safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len, |
698 | int, flags, const struct sockaddr *, addr, socklen_t, addrlen) | |
699 | safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len, | |
700 | int, flags, struct sockaddr *, addr, socklen_t *, addrlen) | |
701 | safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags) | |
702 | safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags) | |
2a845989 | 703 | safe_syscall2(int, flock, int, fd, int, operation) |
ddcbde15 | 704 | #if defined(TARGET_NR_rt_sigtimedwait) || defined(TARGET_NR_rt_sigtimedwait_time64) |
b3f82330 PM |
705 | safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo, |
706 | const struct timespec *, uts, size_t, sigsetsize) | |
859e8a89 | 707 | #endif |
ff6dc130 PM |
708 | safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len, |
709 | int, flags) | |
859e8a89 | 710 | #if defined(TARGET_NR_nanosleep) |
9e518226 PM |
711 | safe_syscall2(int, nanosleep, const struct timespec *, req, |
712 | struct timespec *, rem) | |
859e8a89 | 713 | #endif |
6ac03b2c FB |
714 | #if defined(TARGET_NR_clock_nanosleep) || \ |
715 | defined(TARGET_NR_clock_nanosleep_time64) | |
9e518226 PM |
716 | safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags, |
717 | const struct timespec *, req, struct timespec *, rem) | |
718 | #endif | |
524fa340 | 719 | #ifdef __NR_ipc |
d8c08b1e MK |
720 | #ifdef __s390x__ |
721 | safe_syscall5(int, ipc, int, call, long, first, long, second, long, third, | |
722 | void *, ptr) | |
723 | #else | |
89f9fe44 PM |
724 | safe_syscall6(int, ipc, int, call, long, first, long, second, long, third, |
725 | void *, ptr, long, fifth) | |
86e63695 | 726 | #endif |
d8c08b1e | 727 | #endif |
86e63695 LV |
728 | #ifdef __NR_msgsnd |
729 | safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz, | |
730 | int, flags) | |
86e63695 LV |
731 | #endif |
732 | #ifdef __NR_msgrcv | |
733 | safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz, | |
734 | long, msgtype, int, flags) | |
86e63695 LV |
735 | #endif |
736 | #ifdef __NR_semtimedop | |
737 | safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops, | |
738 | unsigned, nsops, const struct timespec *, timeout) | |
89f9fe44 | 739 | #endif |
d107e375 FB |
740 | #if defined(TARGET_NR_mq_timedsend) || \ |
741 | defined(TARGET_NR_mq_timedsend_time64) | |
d40ecd66 PM |
742 | safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr, |
743 | size_t, len, unsigned, prio, const struct timespec *, timeout) | |
859e8a89 | 744 | #endif |
d107e375 FB |
745 | #if defined(TARGET_NR_mq_timedreceive) || \ |
746 | defined(TARGET_NR_mq_timedreceive_time64) | |
d40ecd66 PM |
747 | safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr, |
748 | size_t, len, unsigned *, prio, const struct timespec *, timeout) | |
749 | #endif | |
84946457 AS |
750 | #if defined(TARGET_NR_copy_file_range) && defined(__NR_copy_file_range) |
751 | safe_syscall6(ssize_t, copy_file_range, int, infd, loff_t *, pinoff, | |
752 | int, outfd, loff_t *, poutoff, size_t, length, | |
753 | unsigned int, flags) | |
754 | #endif | |
755 | ||
49ca6f3e PM |
756 | /* We do ioctl like this rather than via safe_syscall3 to preserve the |
757 | * "third argument might be integer or pointer or not present" behaviour of | |
758 | * the libc function. | |
759 | */ | |
760 | #define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__) | |
435da5e7 PM |
761 | /* Similarly for fcntl. Note that callers must always: |
762 | * pass the F_GETLK64 etc constants rather than the unsuffixed F_GETLK | |
763 | * use the flock64 struct rather than unsuffixed flock | |
764 | * This will then work and use a 64-bit offset for both 32-bit and 64-bit hosts. | |
765 | */ | |
766 | #ifdef __NR_fcntl64 | |
767 | #define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__) | |
768 | #else | |
769 | #define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__) | |
770 | #endif | |
50afd02b | 771 | |
8289d112 PB |
772 | static inline int host_to_target_sock_type(int host_type) |
773 | { | |
774 | int target_type; | |
775 | ||
776 | switch (host_type & 0xf /* SOCK_TYPE_MASK */) { | |
777 | case SOCK_DGRAM: | |
778 | target_type = TARGET_SOCK_DGRAM; | |
779 | break; | |
780 | case SOCK_STREAM: | |
781 | target_type = TARGET_SOCK_STREAM; | |
782 | break; | |
783 | default: | |
784 | target_type = host_type & 0xf /* SOCK_TYPE_MASK */; | |
785 | break; | |
786 | } | |
787 | ||
788 | #if defined(SOCK_CLOEXEC) | |
789 | if (host_type & SOCK_CLOEXEC) { | |
790 | target_type |= TARGET_SOCK_CLOEXEC; | |
791 | } | |
792 | #endif | |
793 | ||
794 | #if defined(SOCK_NONBLOCK) | |
795 | if (host_type & SOCK_NONBLOCK) { | |
796 | target_type |= TARGET_SOCK_NONBLOCK; | |
797 | } | |
798 | #endif | |
799 | ||
800 | return target_type; | |
801 | } | |
802 | ||
dfe49864 | 803 | static abi_ulong target_brk, initial_target_brk; |
31e31b8a | 804 | |
992f48a0 | 805 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 806 | { |
d28b3c90 | 807 | target_brk = TARGET_PAGE_ALIGN(new_brk); |
dfe49864 | 808 | initial_target_brk = target_brk; |
31e31b8a FB |
809 | } |
810 | ||
0da46a6e | 811 | /* do_brk() must return target values and target errnos. */ |
86f04735 | 812 | abi_long do_brk(abi_ulong brk_val) |
31e31b8a | 813 | { |
992f48a0 | 814 | abi_long mapped_addr; |
2aea137a AO |
815 | abi_ulong new_brk; |
816 | abi_ulong old_brk; | |
31e31b8a | 817 | |
ee1bf83d RH |
818 | /* brk pointers are always untagged */ |
819 | ||
dfe49864 HD |
820 | /* do not allow to shrink below initial brk value */ |
821 | if (brk_val < initial_target_brk) { | |
cb9d5d1f | 822 | return target_brk; |
dfe49864 HD |
823 | } |
824 | ||
86f04735 | 825 | new_brk = TARGET_PAGE_ALIGN(brk_val); |
2aea137a | 826 | old_brk = TARGET_PAGE_ALIGN(target_brk); |
86f04735 | 827 | |
2aea137a AO |
828 | /* new and old target_brk might be on the same page */ |
829 | if (new_brk == old_brk) { | |
86f04735 | 830 | target_brk = brk_val; |
7ab240ad | 831 | return target_brk; |
4d1de87c | 832 | } |
3b46e624 | 833 | |
86f04735 | 834 | /* Release heap if necesary */ |
2aea137a AO |
835 | if (new_brk < old_brk) { |
836 | target_munmap(new_brk, old_brk - new_brk); | |
86f04735 HD |
837 | |
838 | target_brk = brk_val; | |
839 | return target_brk; | |
31e31b8a FB |
840 | } |
841 | ||
2aea137a AO |
842 | mapped_addr = target_mmap(old_brk, new_brk - old_brk, |
843 | PROT_READ | PROT_WRITE, | |
844 | MAP_FIXED_NOREPLACE | MAP_ANON | MAP_PRIVATE, | |
845 | -1, 0); | |
70afc343 | 846 | |
2aea137a | 847 | if (mapped_addr == old_brk) { |
86f04735 | 848 | target_brk = brk_val; |
00faf08c | 849 | return target_brk; |
00faf08c | 850 | } |
7ab240ad | 851 | |
7dd46c02 RH |
852 | #if defined(TARGET_ALPHA) |
853 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
854 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 855 | return -TARGET_ENOMEM; |
7dd46c02 | 856 | #endif |
00faf08c | 857 | /* For everything else, return the previous break. */ |
7ab240ad | 858 | return target_brk; |
31e31b8a FB |
859 | } |
860 | ||
859e8a89 | 861 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \ |
e5ce9688 | 862 | defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64) |
26edcf41 TS |
863 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
864 | abi_ulong target_fds_addr, | |
865 | int n) | |
31e31b8a | 866 | { |
26edcf41 TS |
867 | int i, nw, j, k; |
868 | abi_ulong b, *target_fds; | |
869 | ||
b1b2db29 | 870 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
871 | if (!(target_fds = lock_user(VERIFY_READ, |
872 | target_fds_addr, | |
873 | sizeof(abi_ulong) * nw, | |
874 | 1))) | |
875 | return -TARGET_EFAULT; | |
876 | ||
877 | FD_ZERO(fds); | |
878 | k = 0; | |
879 | for (i = 0; i < nw; i++) { | |
880 | /* grab the abi_ulong */ | |
881 | __get_user(b, &target_fds[i]); | |
882 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
883 | /* check the bit inside the abi_ulong */ | |
884 | if ((b >> j) & 1) | |
885 | FD_SET(k, fds); | |
886 | k++; | |
31e31b8a | 887 | } |
31e31b8a | 888 | } |
26edcf41 TS |
889 | |
890 | unlock_user(target_fds, target_fds_addr, 0); | |
891 | ||
892 | return 0; | |
31e31b8a FB |
893 | } |
894 | ||
055e0906 MF |
895 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
896 | abi_ulong target_fds_addr, | |
897 | int n) | |
898 | { | |
899 | if (target_fds_addr) { | |
900 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
901 | return -TARGET_EFAULT; | |
902 | *fds_ptr = fds; | |
903 | } else { | |
904 | *fds_ptr = NULL; | |
905 | } | |
906 | return 0; | |
907 | } | |
908 | ||
26edcf41 TS |
909 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
910 | const fd_set *fds, | |
911 | int n) | |
31e31b8a | 912 | { |
31e31b8a | 913 | int i, nw, j, k; |
992f48a0 | 914 | abi_long v; |
26edcf41 | 915 | abi_ulong *target_fds; |
31e31b8a | 916 | |
b1b2db29 | 917 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
918 | if (!(target_fds = lock_user(VERIFY_WRITE, |
919 | target_fds_addr, | |
920 | sizeof(abi_ulong) * nw, | |
921 | 0))) | |
922 | return -TARGET_EFAULT; | |
923 | ||
924 | k = 0; | |
925 | for (i = 0; i < nw; i++) { | |
926 | v = 0; | |
927 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
9ab709be | 928 | v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j); |
26edcf41 | 929 | k++; |
31e31b8a | 930 | } |
26edcf41 | 931 | __put_user(v, &target_fds[i]); |
31e31b8a | 932 | } |
26edcf41 TS |
933 | |
934 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
935 | ||
936 | return 0; | |
31e31b8a | 937 | } |
859e8a89 | 938 | #endif |
31e31b8a | 939 | |
c596ed17 FB |
940 | #if defined(__alpha__) |
941 | #define HOST_HZ 1024 | |
942 | #else | |
943 | #define HOST_HZ 100 | |
944 | #endif | |
945 | ||
992f48a0 | 946 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
947 | { |
948 | #if HOST_HZ == TARGET_HZ | |
949 | return ticks; | |
950 | #else | |
951 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
952 | #endif | |
953 | } | |
954 | ||
579a97f7 FB |
955 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
956 | const struct rusage *rusage) | |
b409186b | 957 | { |
53a5960a PB |
958 | struct target_rusage *target_rusage; |
959 | ||
579a97f7 FB |
960 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
961 | return -TARGET_EFAULT; | |
cbb21eed MB |
962 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
963 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
964 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
965 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
966 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
967 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
968 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
969 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
970 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
971 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
972 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
973 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
974 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
975 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
976 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
977 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
978 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
979 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 980 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
981 | |
982 | return 0; | |
b409186b FB |
983 | } |
984 | ||
859e8a89 | 985 | #ifdef TARGET_NR_setrlimit |
cbb21eed | 986 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 987 | { |
cbb21eed | 988 | abi_ulong target_rlim_swap; |
95b33b2f WT |
989 | rlim_t result; |
990 | ||
cbb21eed MB |
991 | target_rlim_swap = tswapal(target_rlim); |
992 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
993 | return RLIM_INFINITY; | |
994 | ||
995 | result = target_rlim_swap; | |
996 | if (target_rlim_swap != (rlim_t)result) | |
997 | return RLIM_INFINITY; | |
95b33b2f WT |
998 | |
999 | return result; | |
81bbe906 | 1000 | } |
859e8a89 | 1001 | #endif |
81bbe906 | 1002 | |
859e8a89 | 1003 | #if defined(TARGET_NR_getrlimit) || defined(TARGET_NR_ugetrlimit) |
cbb21eed | 1004 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 1005 | { |
cbb21eed MB |
1006 | abi_ulong target_rlim_swap; |
1007 | abi_ulong result; | |
95b33b2f | 1008 | |
cbb21eed | 1009 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 1010 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 1011 | else |
95b33b2f | 1012 | target_rlim_swap = rlim; |
cbb21eed | 1013 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
1014 | |
1015 | return result; | |
81bbe906 | 1016 | } |
859e8a89 | 1017 | #endif |
81bbe906 | 1018 | |
e22b7015 WT |
1019 | static inline int target_to_host_resource(int code) |
1020 | { | |
1021 | switch (code) { | |
1022 | case TARGET_RLIMIT_AS: | |
1023 | return RLIMIT_AS; | |
1024 | case TARGET_RLIMIT_CORE: | |
1025 | return RLIMIT_CORE; | |
1026 | case TARGET_RLIMIT_CPU: | |
1027 | return RLIMIT_CPU; | |
1028 | case TARGET_RLIMIT_DATA: | |
1029 | return RLIMIT_DATA; | |
1030 | case TARGET_RLIMIT_FSIZE: | |
1031 | return RLIMIT_FSIZE; | |
1032 | case TARGET_RLIMIT_LOCKS: | |
1033 | return RLIMIT_LOCKS; | |
1034 | case TARGET_RLIMIT_MEMLOCK: | |
1035 | return RLIMIT_MEMLOCK; | |
1036 | case TARGET_RLIMIT_MSGQUEUE: | |
1037 | return RLIMIT_MSGQUEUE; | |
1038 | case TARGET_RLIMIT_NICE: | |
1039 | return RLIMIT_NICE; | |
1040 | case TARGET_RLIMIT_NOFILE: | |
1041 | return RLIMIT_NOFILE; | |
1042 | case TARGET_RLIMIT_NPROC: | |
1043 | return RLIMIT_NPROC; | |
1044 | case TARGET_RLIMIT_RSS: | |
1045 | return RLIMIT_RSS; | |
1046 | case TARGET_RLIMIT_RTPRIO: | |
1047 | return RLIMIT_RTPRIO; | |
c3a28d71 | 1048 | #ifdef RLIMIT_RTTIME |
244fd083 SB |
1049 | case TARGET_RLIMIT_RTTIME: |
1050 | return RLIMIT_RTTIME; | |
c3a28d71 | 1051 | #endif |
e22b7015 WT |
1052 | case TARGET_RLIMIT_SIGPENDING: |
1053 | return RLIMIT_SIGPENDING; | |
1054 | case TARGET_RLIMIT_STACK: | |
1055 | return RLIMIT_STACK; | |
1056 | default: | |
1057 | return code; | |
1058 | } | |
1059 | } | |
1060 | ||
788f5ec4 TS |
1061 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
1062 | abi_ulong target_tv_addr) | |
31e31b8a | 1063 | { |
53a5960a PB |
1064 | struct target_timeval *target_tv; |
1065 | ||
6d5d5dde | 1066 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) { |
579a97f7 | 1067 | return -TARGET_EFAULT; |
6d5d5dde | 1068 | } |
788f5ec4 TS |
1069 | |
1070 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1071 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1072 | ||
1073 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
1074 | |
1075 | return 0; | |
31e31b8a FB |
1076 | } |
1077 | ||
788f5ec4 TS |
1078 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
1079 | const struct timeval *tv) | |
31e31b8a | 1080 | { |
53a5960a PB |
1081 | struct target_timeval *target_tv; |
1082 | ||
6d5d5dde DB |
1083 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) { |
1084 | return -TARGET_EFAULT; | |
1085 | } | |
1086 | ||
1087 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1088 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1089 | ||
1090 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
1091 | ||
1092 | return 0; | |
1093 | } | |
1094 | ||
6ac03b2c FB |
1095 | #if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME) |
1096 | static inline abi_long copy_from_user_timeval64(struct timeval *tv, | |
1097 | abi_ulong target_tv_addr) | |
1098 | { | |
1099 | struct target__kernel_sock_timeval *target_tv; | |
1100 | ||
1101 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) { | |
1102 | return -TARGET_EFAULT; | |
1103 | } | |
1104 | ||
1105 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1106 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1107 | ||
1108 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
1109 | ||
1110 | return 0; | |
1111 | } | |
1112 | #endif | |
1113 | ||
6d5d5dde | 1114 | static inline abi_long copy_to_user_timeval64(abi_ulong target_tv_addr, |
6ac03b2c | 1115 | const struct timeval *tv) |
6d5d5dde DB |
1116 | { |
1117 | struct target__kernel_sock_timeval *target_tv; | |
1118 | ||
1119 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) { | |
579a97f7 | 1120 | return -TARGET_EFAULT; |
6d5d5dde | 1121 | } |
788f5ec4 TS |
1122 | |
1123 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1124 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1125 | ||
1126 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
1127 | |
1128 | return 0; | |
31e31b8a FB |
1129 | } |
1130 | ||
859e8a89 AF |
1131 | #if defined(TARGET_NR_futex) || \ |
1132 | defined(TARGET_NR_rt_sigtimedwait) || \ | |
1133 | defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6) || \ | |
1134 | defined(TARGET_NR_nanosleep) || defined(TARGET_NR_clock_settime) || \ | |
1135 | defined(TARGET_NR_utimensat) || defined(TARGET_NR_mq_timedsend) || \ | |
d8c08b1e | 1136 | defined(TARGET_NR_mq_timedreceive) || defined(TARGET_NR_ipc) || \ |
2c86c90f FB |
1137 | defined(TARGET_NR_semop) || defined(TARGET_NR_semtimedop) || \ |
1138 | defined(TARGET_NR_timer_settime) || \ | |
1139 | (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)) | |
6d5d5dde DB |
1140 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
1141 | abi_ulong target_addr) | |
1142 | { | |
1143 | struct target_timespec *target_ts; | |
1144 | ||
1145 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) { | |
1146 | return -TARGET_EFAULT; | |
1147 | } | |
1148 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1149 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1150 | unlock_user_struct(target_ts, target_addr, 0); | |
1151 | return 0; | |
1152 | } | |
859e8a89 | 1153 | #endif |
6d5d5dde | 1154 | |
828cb3a1 FB |
1155 | #if defined(TARGET_NR_clock_settime64) || defined(TARGET_NR_futex_time64) || \ |
1156 | defined(TARGET_NR_timer_settime64) || \ | |
d107e375 FB |
1157 | defined(TARGET_NR_mq_timedsend_time64) || \ |
1158 | defined(TARGET_NR_mq_timedreceive_time64) || \ | |
6ac03b2c | 1159 | (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)) || \ |
ddcbde15 | 1160 | defined(TARGET_NR_clock_nanosleep_time64) || \ |
cac46eb0 FB |
1161 | defined(TARGET_NR_rt_sigtimedwait_time64) || \ |
1162 | defined(TARGET_NR_utimensat) || \ | |
1163 | defined(TARGET_NR_utimensat_time64) || \ | |
e5ce9688 FB |
1164 | defined(TARGET_NR_semtimedop_time64) || \ |
1165 | defined(TARGET_NR_pselect6_time64) || defined(TARGET_NR_ppoll_time64) | |
c6c8d102 AF |
1166 | static inline abi_long target_to_host_timespec64(struct timespec *host_ts, |
1167 | abi_ulong target_addr) | |
1168 | { | |
1169 | struct target__kernel_timespec *target_ts; | |
1170 | ||
1171 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) { | |
1172 | return -TARGET_EFAULT; | |
1173 | } | |
1174 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1175 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
00576757 LV |
1176 | /* in 32bit mode, this drops the padding */ |
1177 | host_ts->tv_nsec = (long)(abi_long)host_ts->tv_nsec; | |
c6c8d102 AF |
1178 | unlock_user_struct(target_ts, target_addr, 0); |
1179 | return 0; | |
1180 | } | |
1181 | #endif | |
1182 | ||
6d5d5dde DB |
1183 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
1184 | struct timespec *host_ts) | |
1185 | { | |
1186 | struct target_timespec *target_ts; | |
1187 | ||
1188 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) { | |
1189 | return -TARGET_EFAULT; | |
1190 | } | |
1191 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1192 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1193 | unlock_user_struct(target_ts, target_addr, 1); | |
1194 | return 0; | |
1195 | } | |
1196 | ||
1197 | static inline abi_long host_to_target_timespec64(abi_ulong target_addr, | |
1198 | struct timespec *host_ts) | |
1199 | { | |
1200 | struct target__kernel_timespec *target_ts; | |
1201 | ||
1202 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) { | |
1203 | return -TARGET_EFAULT; | |
1204 | } | |
1205 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1206 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1207 | unlock_user_struct(target_ts, target_addr, 1); | |
1208 | return 0; | |
1209 | } | |
1210 | ||
a52f5f87 RH |
1211 | #if defined(TARGET_NR_gettimeofday) |
1212 | static inline abi_long copy_to_user_timezone(abi_ulong target_tz_addr, | |
1213 | struct timezone *tz) | |
1214 | { | |
1215 | struct target_timezone *target_tz; | |
1216 | ||
1217 | if (!lock_user_struct(VERIFY_WRITE, target_tz, target_tz_addr, 1)) { | |
1218 | return -TARGET_EFAULT; | |
1219 | } | |
1220 | ||
1221 | __put_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1222 | __put_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1223 | ||
1224 | unlock_user_struct(target_tz, target_tz_addr, 1); | |
1225 | ||
1226 | return 0; | |
1227 | } | |
1228 | #endif | |
1229 | ||
859e8a89 | 1230 | #if defined(TARGET_NR_settimeofday) |
ef4467e9 PB |
1231 | static inline abi_long copy_from_user_timezone(struct timezone *tz, |
1232 | abi_ulong target_tz_addr) | |
1233 | { | |
1234 | struct target_timezone *target_tz; | |
1235 | ||
1236 | if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) { | |
1237 | return -TARGET_EFAULT; | |
1238 | } | |
1239 | ||
1240 | __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1241 | __get_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1242 | ||
1243 | unlock_user_struct(target_tz, target_tz_addr, 0); | |
1244 | ||
1245 | return 0; | |
1246 | } | |
859e8a89 | 1247 | #endif |
ef4467e9 | 1248 | |
8ec9cf89 NF |
1249 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
1250 | #include <mqueue.h> | |
1251 | ||
24e1003a AJ |
1252 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
1253 | abi_ulong target_mq_attr_addr) | |
1254 | { | |
1255 | struct target_mq_attr *target_mq_attr; | |
1256 | ||
1257 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
1258 | target_mq_attr_addr, 1)) | |
1259 | return -TARGET_EFAULT; | |
1260 | ||
1261 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1262 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1263 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1264 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1265 | ||
1266 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
1267 | ||
1268 | return 0; | |
1269 | } | |
1270 | ||
1271 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
1272 | const struct mq_attr *attr) | |
1273 | { | |
1274 | struct target_mq_attr *target_mq_attr; | |
1275 | ||
1276 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
1277 | target_mq_attr_addr, 0)) | |
1278 | return -TARGET_EFAULT; | |
1279 | ||
1280 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1281 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1282 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1283 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1284 | ||
1285 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
1286 | ||
1287 | return 0; | |
1288 | } | |
8ec9cf89 | 1289 | #endif |
31e31b8a | 1290 | |
055e0906 | 1291 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 1292 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 1293 | static abi_long do_select(int n, |
26edcf41 TS |
1294 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
1295 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
1296 | { |
1297 | fd_set rfds, wfds, efds; | |
1298 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6df9d38d PM |
1299 | struct timeval tv; |
1300 | struct timespec ts, *ts_ptr; | |
992f48a0 | 1301 | abi_long ret; |
31e31b8a | 1302 | |
055e0906 MF |
1303 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
1304 | if (ret) { | |
1305 | return ret; | |
53a5960a | 1306 | } |
055e0906 MF |
1307 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
1308 | if (ret) { | |
1309 | return ret; | |
53a5960a | 1310 | } |
055e0906 MF |
1311 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
1312 | if (ret) { | |
1313 | return ret; | |
53a5960a | 1314 | } |
3b46e624 | 1315 | |
26edcf41 | 1316 | if (target_tv_addr) { |
788f5ec4 TS |
1317 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
1318 | return -TARGET_EFAULT; | |
6df9d38d PM |
1319 | ts.tv_sec = tv.tv_sec; |
1320 | ts.tv_nsec = tv.tv_usec * 1000; | |
1321 | ts_ptr = &ts; | |
31e31b8a | 1322 | } else { |
6df9d38d | 1323 | ts_ptr = NULL; |
31e31b8a | 1324 | } |
26edcf41 | 1325 | |
6df9d38d PM |
1326 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
1327 | ts_ptr, NULL)); | |
53a5960a | 1328 | |
26edcf41 TS |
1329 | if (!is_error(ret)) { |
1330 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
1331 | return -TARGET_EFAULT; | |
1332 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
1333 | return -TARGET_EFAULT; | |
1334 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
1335 | return -TARGET_EFAULT; | |
31e31b8a | 1336 | |
6df9d38d PM |
1337 | if (target_tv_addr) { |
1338 | tv.tv_sec = ts.tv_sec; | |
1339 | tv.tv_usec = ts.tv_nsec / 1000; | |
1340 | if (copy_to_user_timeval(target_tv_addr, &tv)) { | |
1341 | return -TARGET_EFAULT; | |
1342 | } | |
1343 | } | |
31e31b8a | 1344 | } |
579a97f7 | 1345 | |
31e31b8a FB |
1346 | return ret; |
1347 | } | |
5457dc9e LV |
1348 | |
1349 | #if defined(TARGET_WANT_OLD_SYS_SELECT) | |
1350 | static abi_long do_old_select(abi_ulong arg1) | |
1351 | { | |
1352 | struct target_sel_arg_struct *sel; | |
1353 | abi_ulong inp, outp, exp, tvp; | |
1354 | long nsel; | |
1355 | ||
1356 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) { | |
1357 | return -TARGET_EFAULT; | |
1358 | } | |
1359 | ||
1360 | nsel = tswapal(sel->n); | |
1361 | inp = tswapal(sel->inp); | |
1362 | outp = tswapal(sel->outp); | |
1363 | exp = tswapal(sel->exp); | |
1364 | tvp = tswapal(sel->tvp); | |
1365 | ||
1366 | unlock_user_struct(sel, arg1, 0); | |
1367 | ||
1368 | return do_select(nsel, inp, outp, exp, tvp); | |
1369 | } | |
1370 | #endif | |
055e0906 | 1371 | #endif |
31e31b8a | 1372 | |
e5ce9688 FB |
1373 | #if defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64) |
1374 | static abi_long do_pselect6(abi_long arg1, abi_long arg2, abi_long arg3, | |
1375 | abi_long arg4, abi_long arg5, abi_long arg6, | |
1376 | bool time64) | |
1377 | { | |
1378 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
1379 | fd_set rfds, wfds, efds; | |
1380 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
1381 | struct timespec ts, *ts_ptr; | |
1382 | abi_long ret; | |
1383 | ||
1384 | /* | |
1385 | * The 6th arg is actually two args smashed together, | |
1386 | * so we cannot use the C library. | |
1387 | */ | |
e5ce9688 FB |
1388 | struct { |
1389 | sigset_t *set; | |
1390 | size_t size; | |
1391 | } sig, *sig_ptr; | |
1392 | ||
1393 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
e5ce9688 FB |
1394 | |
1395 | n = arg1; | |
1396 | rfd_addr = arg2; | |
1397 | wfd_addr = arg3; | |
1398 | efd_addr = arg4; | |
1399 | ts_addr = arg5; | |
1400 | ||
1401 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
1402 | if (ret) { | |
1403 | return ret; | |
1404 | } | |
1405 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
1406 | if (ret) { | |
1407 | return ret; | |
1408 | } | |
1409 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
1410 | if (ret) { | |
1411 | return ret; | |
1412 | } | |
1413 | ||
1414 | /* | |
1415 | * This takes a timespec, and not a timeval, so we cannot | |
1416 | * use the do_select() helper ... | |
1417 | */ | |
1418 | if (ts_addr) { | |
1419 | if (time64) { | |
1420 | if (target_to_host_timespec64(&ts, ts_addr)) { | |
1421 | return -TARGET_EFAULT; | |
1422 | } | |
1423 | } else { | |
1424 | if (target_to_host_timespec(&ts, ts_addr)) { | |
1425 | return -TARGET_EFAULT; | |
1426 | } | |
1427 | } | |
1428 | ts_ptr = &ts; | |
1429 | } else { | |
1430 | ts_ptr = NULL; | |
1431 | } | |
1432 | ||
1433 | /* Extract the two packed args for the sigset */ | |
cb226034 | 1434 | sig_ptr = NULL; |
e5ce9688 | 1435 | if (arg6) { |
e5ce9688 FB |
1436 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); |
1437 | if (!arg7) { | |
1438 | return -TARGET_EFAULT; | |
1439 | } | |
1440 | arg_sigset = tswapal(arg7[0]); | |
1441 | arg_sigsize = tswapal(arg7[1]); | |
1442 | unlock_user(arg7, arg6, 0); | |
1443 | ||
1444 | if (arg_sigset) { | |
cb226034 RH |
1445 | ret = process_sigsuspend_mask(&sig.set, arg_sigset, arg_sigsize); |
1446 | if (ret != 0) { | |
1447 | return ret; | |
e5ce9688 | 1448 | } |
cb226034 RH |
1449 | sig_ptr = &sig; |
1450 | sig.size = SIGSET_T_SIZE; | |
e5ce9688 | 1451 | } |
e5ce9688 FB |
1452 | } |
1453 | ||
1454 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, | |
1455 | ts_ptr, sig_ptr)); | |
1456 | ||
cb226034 RH |
1457 | if (sig_ptr) { |
1458 | finish_sigsuspend_mask(ret); | |
1459 | } | |
1460 | ||
e5ce9688 FB |
1461 | if (!is_error(ret)) { |
1462 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) { | |
1463 | return -TARGET_EFAULT; | |
1464 | } | |
1465 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) { | |
1466 | return -TARGET_EFAULT; | |
1467 | } | |
1468 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) { | |
1469 | return -TARGET_EFAULT; | |
1470 | } | |
1471 | if (time64) { | |
1472 | if (ts_addr && host_to_target_timespec64(ts_addr, &ts)) { | |
1473 | return -TARGET_EFAULT; | |
1474 | } | |
1475 | } else { | |
1476 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) { | |
1477 | return -TARGET_EFAULT; | |
1478 | } | |
1479 | } | |
1480 | } | |
1481 | return ret; | |
1482 | } | |
1483 | #endif | |
1484 | ||
1485 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) || \ | |
1486 | defined(TARGET_NR_ppoll_time64) | |
1487 | static abi_long do_ppoll(abi_long arg1, abi_long arg2, abi_long arg3, | |
1488 | abi_long arg4, abi_long arg5, bool ppoll, bool time64) | |
1489 | { | |
1490 | struct target_pollfd *target_pfd; | |
1491 | unsigned int nfds = arg2; | |
1492 | struct pollfd *pfd; | |
1493 | unsigned int i; | |
1494 | abi_long ret; | |
1495 | ||
1496 | pfd = NULL; | |
1497 | target_pfd = NULL; | |
1498 | if (nfds) { | |
1499 | if (nfds > (INT_MAX / sizeof(struct target_pollfd))) { | |
1500 | return -TARGET_EINVAL; | |
1501 | } | |
1502 | target_pfd = lock_user(VERIFY_WRITE, arg1, | |
1503 | sizeof(struct target_pollfd) * nfds, 1); | |
1504 | if (!target_pfd) { | |
1505 | return -TARGET_EFAULT; | |
1506 | } | |
1507 | ||
1508 | pfd = alloca(sizeof(struct pollfd) * nfds); | |
1509 | for (i = 0; i < nfds; i++) { | |
1510 | pfd[i].fd = tswap32(target_pfd[i].fd); | |
1511 | pfd[i].events = tswap16(target_pfd[i].events); | |
1512 | } | |
1513 | } | |
1514 | if (ppoll) { | |
1515 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; | |
db36aa7d | 1516 | sigset_t *set = NULL; |
e5ce9688 FB |
1517 | |
1518 | if (arg3) { | |
1519 | if (time64) { | |
1520 | if (target_to_host_timespec64(timeout_ts, arg3)) { | |
1521 | unlock_user(target_pfd, arg1, 0); | |
1522 | return -TARGET_EFAULT; | |
1523 | } | |
1524 | } else { | |
1525 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
1526 | unlock_user(target_pfd, arg1, 0); | |
1527 | return -TARGET_EFAULT; | |
1528 | } | |
1529 | } | |
1530 | } else { | |
1531 | timeout_ts = NULL; | |
1532 | } | |
1533 | ||
1534 | if (arg4) { | |
db36aa7d RH |
1535 | ret = process_sigsuspend_mask(&set, arg4, arg5); |
1536 | if (ret != 0) { | |
e5ce9688 | 1537 | unlock_user(target_pfd, arg1, 0); |
db36aa7d | 1538 | return ret; |
e5ce9688 | 1539 | } |
e5ce9688 FB |
1540 | } |
1541 | ||
1542 | ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts, | |
1543 | set, SIGSET_T_SIZE)); | |
1544 | ||
db36aa7d RH |
1545 | if (set) { |
1546 | finish_sigsuspend_mask(ret); | |
1547 | } | |
e5ce9688 FB |
1548 | if (!is_error(ret) && arg3) { |
1549 | if (time64) { | |
1550 | if (host_to_target_timespec64(arg3, timeout_ts)) { | |
1551 | return -TARGET_EFAULT; | |
1552 | } | |
1553 | } else { | |
1554 | if (host_to_target_timespec(arg3, timeout_ts)) { | |
1555 | return -TARGET_EFAULT; | |
1556 | } | |
1557 | } | |
1558 | } | |
e5ce9688 FB |
1559 | } else { |
1560 | struct timespec ts, *pts; | |
1561 | ||
1562 | if (arg3 >= 0) { | |
1563 | /* Convert ms to secs, ns */ | |
1564 | ts.tv_sec = arg3 / 1000; | |
1565 | ts.tv_nsec = (arg3 % 1000) * 1000000LL; | |
1566 | pts = &ts; | |
1567 | } else { | |
1568 | /* -ve poll() timeout means "infinite" */ | |
1569 | pts = NULL; | |
1570 | } | |
1571 | ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0)); | |
1572 | } | |
1573 | ||
1574 | if (!is_error(ret)) { | |
1575 | for (i = 0; i < nfds; i++) { | |
1576 | target_pfd[i].revents = tswap16(pfd[i].revents); | |
1577 | } | |
1578 | } | |
1579 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); | |
1580 | return ret; | |
1581 | } | |
1582 | #endif | |
1583 | ||
a0939b89 | 1584 | static abi_long do_pipe(CPUArchState *cpu_env, abi_ulong pipedes, |
fb41a66e | 1585 | int flags, int is_pipe2) |
099d6b0f RV |
1586 | { |
1587 | int host_pipe[2]; | |
1588 | abi_long ret; | |
499d8055 | 1589 | ret = pipe2(host_pipe, flags); |
099d6b0f RV |
1590 | |
1591 | if (is_error(ret)) | |
1592 | return get_errno(ret); | |
fb41a66e RH |
1593 | |
1594 | /* Several targets have special calling conventions for the original | |
1595 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1596 | if (!is_pipe2) { | |
1597 | #if defined(TARGET_ALPHA) | |
0effdc29 | 1598 | cpu_env->ir[IR_A4] = host_pipe[1]; |
fb41a66e RH |
1599 | return host_pipe[0]; |
1600 | #elif defined(TARGET_MIPS) | |
0effdc29 | 1601 | cpu_env->active_tc.gpr[3] = host_pipe[1]; |
fb41a66e RH |
1602 | return host_pipe[0]; |
1603 | #elif defined(TARGET_SH4) | |
0effdc29 | 1604 | cpu_env->gregs[1] = host_pipe[1]; |
fb41a66e | 1605 | return host_pipe[0]; |
82f05b69 | 1606 | #elif defined(TARGET_SPARC) |
0effdc29 | 1607 | cpu_env->regwptr[1] = host_pipe[1]; |
82f05b69 | 1608 | return host_pipe[0]; |
597c0212 | 1609 | #endif |
fb41a66e RH |
1610 | } |
1611 | ||
099d6b0f | 1612 | if (put_user_s32(host_pipe[0], pipedes) |
6f200f51 | 1613 | || put_user_s32(host_pipe[1], pipedes + sizeof(abi_int))) |
099d6b0f | 1614 | return -TARGET_EFAULT; |
099d6b0f RV |
1615 | return get_errno(ret); |
1616 | } | |
1617 | ||
b975b83b LL |
1618 | static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1619 | abi_ulong target_addr, | |
1620 | socklen_t len) | |
1621 | { | |
1622 | struct target_ip_mreqn *target_smreqn; | |
1623 | ||
1624 | target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); | |
1625 | if (!target_smreqn) | |
1626 | return -TARGET_EFAULT; | |
1627 | mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
1628 | mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
1629 | if (len == sizeof(struct target_ip_mreqn)) | |
cbb21eed | 1630 | mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
b975b83b LL |
1631 | unlock_user(target_smreqn, target_addr, 0); |
1632 | ||
1633 | return 0; | |
1634 | } | |
1635 | ||
7b36f782 | 1636 | static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr, |
579a97f7 FB |
1637 | abi_ulong target_addr, |
1638 | socklen_t len) | |
7854b056 | 1639 | { |
607175e0 AJ |
1640 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1641 | sa_family_t sa_family; | |
53a5960a PB |
1642 | struct target_sockaddr *target_saddr; |
1643 | ||
7b36f782 LV |
1644 | if (fd_trans_target_to_host_addr(fd)) { |
1645 | return fd_trans_target_to_host_addr(fd)(addr, target_addr, len); | |
1646 | } | |
1647 | ||
579a97f7 FB |
1648 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1649 | if (!target_saddr) | |
1650 | return -TARGET_EFAULT; | |
607175e0 AJ |
1651 | |
1652 | sa_family = tswap16(target_saddr->sa_family); | |
1653 | ||
1654 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1655 | * must be terminated by \0 (see the manual page), but | |
1656 | * unfortunately it is quite common to specify sockaddr_un | |
1657 | * length as "strlen(x->sun_path)" while it should be | |
1658 | * "strlen(...) + 1". We'll fix that here if needed. | |
1659 | * Linux kernel has a similar feature. | |
1660 | */ | |
1661 | ||
1662 | if (sa_family == AF_UNIX) { | |
1663 | if (len < unix_maxlen && len > 0) { | |
1664 | char *cp = (char*)target_saddr; | |
1665 | ||
1666 | if ( cp[len-1] && !cp[len] ) | |
1667 | len++; | |
1668 | } | |
1669 | if (len > unix_maxlen) | |
1670 | len = unix_maxlen; | |
1671 | } | |
1672 | ||
53a5960a | 1673 | memcpy(addr, target_saddr, len); |
607175e0 | 1674 | addr->sa_family = sa_family; |
6c5b5645 LV |
1675 | if (sa_family == AF_NETLINK) { |
1676 | struct sockaddr_nl *nladdr; | |
1677 | ||
1678 | nladdr = (struct sockaddr_nl *)addr; | |
1679 | nladdr->nl_pid = tswap32(nladdr->nl_pid); | |
1680 | nladdr->nl_groups = tswap32(nladdr->nl_groups); | |
1681 | } else if (sa_family == AF_PACKET) { | |
33a29b51 JT |
1682 | struct target_sockaddr_ll *lladdr; |
1683 | ||
1684 | lladdr = (struct target_sockaddr_ll *)addr; | |
1685 | lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex); | |
1686 | lladdr->sll_hatype = tswap16(lladdr->sll_hatype); | |
44cf6731 MM |
1687 | } else if (sa_family == AF_INET6) { |
1688 | struct sockaddr_in6 *in6addr; | |
1689 | ||
1690 | in6addr = (struct sockaddr_in6 *)addr; | |
1691 | in6addr->sin6_scope_id = tswap32(in6addr->sin6_scope_id); | |
33a29b51 | 1692 | } |
53a5960a | 1693 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1694 | |
1695 | return 0; | |
7854b056 FB |
1696 | } |
1697 | ||
579a97f7 FB |
1698 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1699 | struct sockaddr *addr, | |
1700 | socklen_t len) | |
7854b056 | 1701 | { |
53a5960a PB |
1702 | struct target_sockaddr *target_saddr; |
1703 | ||
a1e22192 PM |
1704 | if (len == 0) { |
1705 | return 0; | |
1706 | } | |
6860710c | 1707 | assert(addr); |
a1e22192 | 1708 | |
579a97f7 FB |
1709 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1710 | if (!target_saddr) | |
1711 | return -TARGET_EFAULT; | |
53a5960a | 1712 | memcpy(target_saddr, addr, len); |
a1e22192 PM |
1713 | if (len >= offsetof(struct target_sockaddr, sa_family) + |
1714 | sizeof(target_saddr->sa_family)) { | |
1715 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1716 | } | |
a47401bc PMD |
1717 | if (addr->sa_family == AF_NETLINK && |
1718 | len >= sizeof(struct target_sockaddr_nl)) { | |
1719 | struct target_sockaddr_nl *target_nl = | |
1720 | (struct target_sockaddr_nl *)target_saddr; | |
6c5b5645 LV |
1721 | target_nl->nl_pid = tswap32(target_nl->nl_pid); |
1722 | target_nl->nl_groups = tswap32(target_nl->nl_groups); | |
a82ea939 LV |
1723 | } else if (addr->sa_family == AF_PACKET) { |
1724 | struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr; | |
1725 | target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex); | |
1726 | target_ll->sll_hatype = tswap16(target_ll->sll_hatype); | |
ee1ac3a1 HD |
1727 | } else if (addr->sa_family == AF_INET6 && |
1728 | len >= sizeof(struct target_sockaddr_in6)) { | |
1729 | struct target_sockaddr_in6 *target_in6 = | |
1730 | (struct target_sockaddr_in6 *)target_saddr; | |
1731 | target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id); | |
6c5b5645 | 1732 | } |
53a5960a | 1733 | unlock_user(target_saddr, target_addr, len); |
579a97f7 FB |
1734 | |
1735 | return 0; | |
7854b056 FB |
1736 | } |
1737 | ||
5a4a898d FB |
1738 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1739 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1740 | { |
1741 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1742 | abi_long msg_controllen; |
1743 | abi_ulong target_cmsg_addr; | |
ee104587 | 1744 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 | 1745 | socklen_t space = 0; |
5a4a898d | 1746 | |
cbb21eed | 1747 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1748 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1749 | goto the_end; | |
cbb21eed | 1750 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1751 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
ee104587 | 1752 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1753 | if (!target_cmsg) |
1754 | return -TARGET_EFAULT; | |
7854b056 FB |
1755 | |
1756 | while (cmsg && target_cmsg) { | |
1757 | void *data = CMSG_DATA(cmsg); | |
1758 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1759 | ||
cbb21eed | 1760 | int len = tswapal(target_cmsg->cmsg_len) |
ad762b99 | 1761 | - sizeof(struct target_cmsghdr); |
7854b056 FB |
1762 | |
1763 | space += CMSG_SPACE(len); | |
1764 | if (space > msgh->msg_controllen) { | |
1765 | space -= CMSG_SPACE(len); | |
c2aeb258 PM |
1766 | /* This is a QEMU bug, since we allocated the payload |
1767 | * area ourselves (unlike overflow in host-to-target | |
1768 | * conversion, which is just the guest giving us a buffer | |
1769 | * that's too small). It can't happen for the payload types | |
1770 | * we currently support; if it becomes an issue in future | |
1771 | * we would need to improve our allocation strategy to | |
1772 | * something more intelligent than "twice the size of the | |
1773 | * target buffer we're reading from". | |
1774 | */ | |
39be5350 JK |
1775 | qemu_log_mask(LOG_UNIMP, |
1776 | ("Unsupported ancillary data %d/%d: " | |
1777 | "unhandled msg size\n"), | |
1778 | tswap32(target_cmsg->cmsg_level), | |
1779 | tswap32(target_cmsg->cmsg_type)); | |
7854b056 FB |
1780 | break; |
1781 | } | |
1782 | ||
dbf4f796 PJ |
1783 | if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) { |
1784 | cmsg->cmsg_level = SOL_SOCKET; | |
1785 | } else { | |
1786 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1787 | } | |
7854b056 FB |
1788 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1789 | cmsg->cmsg_len = CMSG_LEN(len); | |
1790 | ||
30b8b68e | 1791 | if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { |
7854b056 FB |
1792 | int *fd = (int *)data; |
1793 | int *target_fd = (int *)target_data; | |
1794 | int i, numfds = len / sizeof(int); | |
1795 | ||
876e23cb PM |
1796 | for (i = 0; i < numfds; i++) { |
1797 | __get_user(fd[i], target_fd + i); | |
1798 | } | |
30b8b68e AS |
1799 | } else if (cmsg->cmsg_level == SOL_SOCKET |
1800 | && cmsg->cmsg_type == SCM_CREDENTIALS) { | |
1801 | struct ucred *cred = (struct ucred *)data; | |
1802 | struct target_ucred *target_cred = | |
1803 | (struct target_ucred *)target_data; | |
1804 | ||
876e23cb PM |
1805 | __get_user(cred->pid, &target_cred->pid); |
1806 | __get_user(cred->uid, &target_cred->uid); | |
1807 | __get_user(cred->gid, &target_cred->gid); | |
27404b6c HD |
1808 | } else if (cmsg->cmsg_level == SOL_ALG) { |
1809 | uint32_t *dst = (uint32_t *)data; | |
1810 | ||
1811 | memcpy(dst, target_data, len); | |
1812 | /* fix endianess of first 32-bit word */ | |
1813 | if (len >= sizeof(uint32_t)) { | |
1814 | *dst = tswap32(*dst); | |
1815 | } | |
30b8b68e | 1816 | } else { |
39be5350 JK |
1817 | qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n", |
1818 | cmsg->cmsg_level, cmsg->cmsg_type); | |
30b8b68e | 1819 | memcpy(data, target_data, len); |
7854b056 FB |
1820 | } |
1821 | ||
1822 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
ee104587 JN |
1823 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1824 | target_cmsg_start); | |
7854b056 | 1825 | } |
5a4a898d FB |
1826 | unlock_user(target_cmsg, target_cmsg_addr, 0); |
1827 | the_end: | |
7854b056 | 1828 | msgh->msg_controllen = space; |
5a4a898d | 1829 | return 0; |
7854b056 FB |
1830 | } |
1831 | ||
5a4a898d FB |
1832 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1833 | struct msghdr *msgh) | |
7854b056 FB |
1834 | { |
1835 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1836 | abi_long msg_controllen; |
1837 | abi_ulong target_cmsg_addr; | |
ee104587 | 1838 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 FB |
1839 | socklen_t space = 0; |
1840 | ||
cbb21eed | 1841 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1842 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1843 | goto the_end; | |
cbb21eed | 1844 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1845 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
ee104587 | 1846 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1847 | if (!target_cmsg) |
1848 | return -TARGET_EFAULT; | |
1849 | ||
7854b056 FB |
1850 | while (cmsg && target_cmsg) { |
1851 | void *data = CMSG_DATA(cmsg); | |
1852 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1853 | ||
ad762b99 | 1854 | int len = cmsg->cmsg_len - sizeof(struct cmsghdr); |
c2aeb258 | 1855 | int tgt_len, tgt_space; |
7854b056 | 1856 | |
c2aeb258 PM |
1857 | /* We never copy a half-header but may copy half-data; |
1858 | * this is Linux's behaviour in put_cmsg(). Note that | |
1859 | * truncation here is a guest problem (which we report | |
1860 | * to the guest via the CTRUNC bit), unlike truncation | |
1861 | * in target_to_host_cmsg, which is a QEMU bug. | |
1862 | */ | |
7174970a | 1863 | if (msg_controllen < sizeof(struct target_cmsghdr)) { |
c2aeb258 | 1864 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7854b056 FB |
1865 | break; |
1866 | } | |
1867 | ||
dbf4f796 PJ |
1868 | if (cmsg->cmsg_level == SOL_SOCKET) { |
1869 | target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); | |
1870 | } else { | |
1871 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1872 | } | |
7854b056 | 1873 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
7854b056 | 1874 | |
c2aeb258 PM |
1875 | /* Payload types which need a different size of payload on |
1876 | * the target must adjust tgt_len here. | |
1877 | */ | |
309786cf | 1878 | tgt_len = len; |
c2aeb258 PM |
1879 | switch (cmsg->cmsg_level) { |
1880 | case SOL_SOCKET: | |
1881 | switch (cmsg->cmsg_type) { | |
1882 | case SO_TIMESTAMP: | |
1883 | tgt_len = sizeof(struct target_timeval); | |
1884 | break; | |
1885 | default: | |
1886 | break; | |
1887 | } | |
309786cf | 1888 | break; |
c2aeb258 PM |
1889 | default: |
1890 | break; | |
1891 | } | |
1892 | ||
7174970a | 1893 | if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) { |
c2aeb258 | 1894 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7174970a | 1895 | tgt_len = msg_controllen - sizeof(struct target_cmsghdr); |
c2aeb258 PM |
1896 | } |
1897 | ||
1898 | /* We must now copy-and-convert len bytes of payload | |
1899 | * into tgt_len bytes of destination space. Bear in mind | |
1900 | * that in both source and destination we may be dealing | |
1901 | * with a truncated value! | |
1902 | */ | |
52b65494 HD |
1903 | switch (cmsg->cmsg_level) { |
1904 | case SOL_SOCKET: | |
1905 | switch (cmsg->cmsg_type) { | |
1906 | case SCM_RIGHTS: | |
1907 | { | |
1908 | int *fd = (int *)data; | |
1909 | int *target_fd = (int *)target_data; | |
c2aeb258 | 1910 | int i, numfds = tgt_len / sizeof(int); |
52b65494 | 1911 | |
876e23cb PM |
1912 | for (i = 0; i < numfds; i++) { |
1913 | __put_user(fd[i], target_fd + i); | |
1914 | } | |
52b65494 HD |
1915 | break; |
1916 | } | |
1917 | case SO_TIMESTAMP: | |
1918 | { | |
1919 | struct timeval *tv = (struct timeval *)data; | |
1920 | struct target_timeval *target_tv = | |
1921 | (struct target_timeval *)target_data; | |
1922 | ||
c2aeb258 PM |
1923 | if (len != sizeof(struct timeval) || |
1924 | tgt_len != sizeof(struct target_timeval)) { | |
52b65494 | 1925 | goto unimplemented; |
c2aeb258 | 1926 | } |
52b65494 HD |
1927 | |
1928 | /* copy struct timeval to target */ | |
876e23cb PM |
1929 | __put_user(tv->tv_sec, &target_tv->tv_sec); |
1930 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
52b65494 HD |
1931 | break; |
1932 | } | |
4bc29756 HD |
1933 | case SCM_CREDENTIALS: |
1934 | { | |
1935 | struct ucred *cred = (struct ucred *)data; | |
1936 | struct target_ucred *target_cred = | |
1937 | (struct target_ucred *)target_data; | |
1938 | ||
1939 | __put_user(cred->pid, &target_cred->pid); | |
1940 | __put_user(cred->uid, &target_cred->uid); | |
1941 | __put_user(cred->gid, &target_cred->gid); | |
1942 | break; | |
1943 | } | |
52b65494 HD |
1944 | default: |
1945 | goto unimplemented; | |
1946 | } | |
1947 | break; | |
7854b056 | 1948 | |
ee1ac3a1 HD |
1949 | case SOL_IP: |
1950 | switch (cmsg->cmsg_type) { | |
1951 | case IP_TTL: | |
1952 | { | |
1953 | uint32_t *v = (uint32_t *)data; | |
1954 | uint32_t *t_int = (uint32_t *)target_data; | |
1955 | ||
7174970a PM |
1956 | if (len != sizeof(uint32_t) || |
1957 | tgt_len != sizeof(uint32_t)) { | |
1958 | goto unimplemented; | |
1959 | } | |
ee1ac3a1 HD |
1960 | __put_user(*v, t_int); |
1961 | break; | |
1962 | } | |
1963 | case IP_RECVERR: | |
1964 | { | |
1965 | struct errhdr_t { | |
1966 | struct sock_extended_err ee; | |
1967 | struct sockaddr_in offender; | |
1968 | }; | |
1969 | struct errhdr_t *errh = (struct errhdr_t *)data; | |
1970 | struct errhdr_t *target_errh = | |
1971 | (struct errhdr_t *)target_data; | |
1972 | ||
7174970a PM |
1973 | if (len != sizeof(struct errhdr_t) || |
1974 | tgt_len != sizeof(struct errhdr_t)) { | |
1975 | goto unimplemented; | |
1976 | } | |
ee1ac3a1 HD |
1977 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
1978 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
1979 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
1980 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
1981 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
1982 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
1983 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
1984 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
1985 | (void *) &errh->offender, sizeof(errh->offender)); | |
1986 | break; | |
1987 | } | |
1988 | default: | |
1989 | goto unimplemented; | |
1990 | } | |
1991 | break; | |
1992 | ||
1993 | case SOL_IPV6: | |
1994 | switch (cmsg->cmsg_type) { | |
1995 | case IPV6_HOPLIMIT: | |
1996 | { | |
1997 | uint32_t *v = (uint32_t *)data; | |
1998 | uint32_t *t_int = (uint32_t *)target_data; | |
1999 | ||
7174970a PM |
2000 | if (len != sizeof(uint32_t) || |
2001 | tgt_len != sizeof(uint32_t)) { | |
2002 | goto unimplemented; | |
2003 | } | |
ee1ac3a1 HD |
2004 | __put_user(*v, t_int); |
2005 | break; | |
2006 | } | |
2007 | case IPV6_RECVERR: | |
2008 | { | |
2009 | struct errhdr6_t { | |
2010 | struct sock_extended_err ee; | |
2011 | struct sockaddr_in6 offender; | |
2012 | }; | |
2013 | struct errhdr6_t *errh = (struct errhdr6_t *)data; | |
2014 | struct errhdr6_t *target_errh = | |
2015 | (struct errhdr6_t *)target_data; | |
2016 | ||
7174970a PM |
2017 | if (len != sizeof(struct errhdr6_t) || |
2018 | tgt_len != sizeof(struct errhdr6_t)) { | |
2019 | goto unimplemented; | |
2020 | } | |
ee1ac3a1 HD |
2021 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
2022 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
2023 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
2024 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
2025 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
2026 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
2027 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
2028 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
2029 | (void *) &errh->offender, sizeof(errh->offender)); | |
2030 | break; | |
2031 | } | |
2032 | default: | |
2033 | goto unimplemented; | |
2034 | } | |
2035 | break; | |
2036 | ||
52b65494 HD |
2037 | default: |
2038 | unimplemented: | |
39be5350 JK |
2039 | qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n", |
2040 | cmsg->cmsg_level, cmsg->cmsg_type); | |
c2aeb258 PM |
2041 | memcpy(target_data, data, MIN(len, tgt_len)); |
2042 | if (tgt_len > len) { | |
2043 | memset(target_data + len, 0, tgt_len - len); | |
2044 | } | |
7854b056 FB |
2045 | } |
2046 | ||
7174970a PM |
2047 | target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len)); |
2048 | tgt_space = TARGET_CMSG_SPACE(tgt_len); | |
c2aeb258 PM |
2049 | if (msg_controllen < tgt_space) { |
2050 | tgt_space = msg_controllen; | |
2051 | } | |
2052 | msg_controllen -= tgt_space; | |
2053 | space += tgt_space; | |
7854b056 | 2054 | cmsg = CMSG_NXTHDR(msgh, cmsg); |
ee104587 JN |
2055 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
2056 | target_cmsg_start); | |
7854b056 | 2057 | } |
5a4a898d FB |
2058 | unlock_user(target_cmsg, target_cmsg_addr, space); |
2059 | the_end: | |
cbb21eed | 2060 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 2061 | return 0; |
7854b056 FB |
2062 | } |
2063 | ||
0da46a6e | 2064 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 2065 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 2066 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 2067 | { |
992f48a0 | 2068 | abi_long ret; |
32407103 | 2069 | int val; |
b975b83b | 2070 | struct ip_mreqn *ip_mreq; |
6e3cb58f | 2071 | struct ip_mreq_source *ip_mreq_source; |
3b46e624 | 2072 | |
8853f86e FB |
2073 | switch(level) { |
2074 | case SOL_TCP: | |
fe51b0a5 SCW |
2075 | case SOL_UDP: |
2076 | /* TCP and UDP options all take an 'int' value. */ | |
7854b056 | 2077 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 2078 | return -TARGET_EINVAL; |
3b46e624 | 2079 | |
2f619698 FB |
2080 | if (get_user_u32(val, optval_addr)) |
2081 | return -TARGET_EFAULT; | |
8853f86e FB |
2082 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
2083 | break; | |
2084 | case SOL_IP: | |
2085 | switch(optname) { | |
2efbe911 FB |
2086 | case IP_TOS: |
2087 | case IP_TTL: | |
8853f86e | 2088 | case IP_HDRINCL: |
2efbe911 FB |
2089 | case IP_ROUTER_ALERT: |
2090 | case IP_RECVOPTS: | |
2091 | case IP_RETOPTS: | |
2092 | case IP_PKTINFO: | |
2093 | case IP_MTU_DISCOVER: | |
2094 | case IP_RECVERR: | |
ee1ac3a1 | 2095 | case IP_RECVTTL: |
2efbe911 FB |
2096 | case IP_RECVTOS: |
2097 | #ifdef IP_FREEBIND | |
2098 | case IP_FREEBIND: | |
2099 | #endif | |
2100 | case IP_MULTICAST_TTL: | |
2101 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
2102 | val = 0; |
2103 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
2104 | if (get_user_u32(val, optval_addr)) |
2105 | return -TARGET_EFAULT; | |
8853f86e | 2106 | } else if (optlen >= 1) { |
2f619698 FB |
2107 | if (get_user_u8(val, optval_addr)) |
2108 | return -TARGET_EFAULT; | |
8853f86e FB |
2109 | } |
2110 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
2111 | break; | |
b975b83b LL |
2112 | case IP_ADD_MEMBERSHIP: |
2113 | case IP_DROP_MEMBERSHIP: | |
2114 | if (optlen < sizeof (struct target_ip_mreq) || | |
2115 | optlen > sizeof (struct target_ip_mreqn)) | |
2116 | return -TARGET_EINVAL; | |
2117 | ||
2118 | ip_mreq = (struct ip_mreqn *) alloca(optlen); | |
2119 | target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); | |
2120 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); | |
2121 | break; | |
2122 | ||
6e3cb58f LL |
2123 | case IP_BLOCK_SOURCE: |
2124 | case IP_UNBLOCK_SOURCE: | |
2125 | case IP_ADD_SOURCE_MEMBERSHIP: | |
2126 | case IP_DROP_SOURCE_MEMBERSHIP: | |
2127 | if (optlen != sizeof (struct target_ip_mreq_source)) | |
2128 | return -TARGET_EINVAL; | |
2129 | ||
2130 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
74e43b04 PM |
2131 | if (!ip_mreq_source) { |
2132 | return -TARGET_EFAULT; | |
2133 | } | |
6e3cb58f LL |
2134 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); |
2135 | unlock_user (ip_mreq_source, optval_addr, 0); | |
2136 | break; | |
2137 | ||
920394db JH |
2138 | default: |
2139 | goto unimplemented; | |
2140 | } | |
2141 | break; | |
0d78b3b5 LV |
2142 | case SOL_IPV6: |
2143 | switch (optname) { | |
2144 | case IPV6_MTU_DISCOVER: | |
2145 | case IPV6_MTU: | |
2146 | case IPV6_V6ONLY: | |
2147 | case IPV6_RECVPKTINFO: | |
ee1ac3a1 | 2148 | case IPV6_UNICAST_HOPS: |
21749c4c LV |
2149 | case IPV6_MULTICAST_HOPS: |
2150 | case IPV6_MULTICAST_LOOP: | |
ee1ac3a1 HD |
2151 | case IPV6_RECVERR: |
2152 | case IPV6_RECVHOPLIMIT: | |
2153 | case IPV6_2292HOPLIMIT: | |
2154 | case IPV6_CHECKSUM: | |
b9cce6d7 HD |
2155 | case IPV6_ADDRFORM: |
2156 | case IPV6_2292PKTINFO: | |
2157 | case IPV6_RECVTCLASS: | |
2158 | case IPV6_RECVRTHDR: | |
2159 | case IPV6_2292RTHDR: | |
2160 | case IPV6_RECVHOPOPTS: | |
2161 | case IPV6_2292HOPOPTS: | |
2162 | case IPV6_RECVDSTOPTS: | |
2163 | case IPV6_2292DSTOPTS: | |
2164 | case IPV6_TCLASS: | |
22db1213 | 2165 | case IPV6_ADDR_PREFERENCES: |
b9cce6d7 HD |
2166 | #ifdef IPV6_RECVPATHMTU |
2167 | case IPV6_RECVPATHMTU: | |
2168 | #endif | |
2169 | #ifdef IPV6_TRANSPARENT | |
2170 | case IPV6_TRANSPARENT: | |
2171 | #endif | |
2172 | #ifdef IPV6_FREEBIND | |
2173 | case IPV6_FREEBIND: | |
2174 | #endif | |
2175 | #ifdef IPV6_RECVORIGDSTADDR | |
2176 | case IPV6_RECVORIGDSTADDR: | |
2177 | #endif | |
0d78b3b5 LV |
2178 | val = 0; |
2179 | if (optlen < sizeof(uint32_t)) { | |
2180 | return -TARGET_EINVAL; | |
2181 | } | |
2182 | if (get_user_u32(val, optval_addr)) { | |
2183 | return -TARGET_EFAULT; | |
2184 | } | |
2185 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2186 | &val, sizeof(val))); | |
2187 | break; | |
ee1ac3a1 HD |
2188 | case IPV6_PKTINFO: |
2189 | { | |
2190 | struct in6_pktinfo pki; | |
2191 | ||
2192 | if (optlen < sizeof(pki)) { | |
2193 | return -TARGET_EINVAL; | |
2194 | } | |
2195 | ||
2196 | if (copy_from_user(&pki, optval_addr, sizeof(pki))) { | |
2197 | return -TARGET_EFAULT; | |
2198 | } | |
2199 | ||
2200 | pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex); | |
2201 | ||
2202 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2203 | &pki, sizeof(pki))); | |
2204 | break; | |
2205 | } | |
22bf4ee9 NC |
2206 | case IPV6_ADD_MEMBERSHIP: |
2207 | case IPV6_DROP_MEMBERSHIP: | |
2208 | { | |
2209 | struct ipv6_mreq ipv6mreq; | |
2210 | ||
2211 | if (optlen < sizeof(ipv6mreq)) { | |
2212 | return -TARGET_EINVAL; | |
2213 | } | |
2214 | ||
2215 | if (copy_from_user(&ipv6mreq, optval_addr, sizeof(ipv6mreq))) { | |
2216 | return -TARGET_EFAULT; | |
2217 | } | |
2218 | ||
2219 | ipv6mreq.ipv6mr_interface = tswap32(ipv6mreq.ipv6mr_interface); | |
2220 | ||
2221 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2222 | &ipv6mreq, sizeof(ipv6mreq))); | |
2223 | break; | |
2224 | } | |
ee1ac3a1 HD |
2225 | default: |
2226 | goto unimplemented; | |
2227 | } | |
2228 | break; | |
2229 | case SOL_ICMPV6: | |
2230 | switch (optname) { | |
2231 | case ICMPV6_FILTER: | |
2232 | { | |
2233 | struct icmp6_filter icmp6f; | |
2234 | ||
2235 | if (optlen > sizeof(icmp6f)) { | |
2236 | optlen = sizeof(icmp6f); | |
2237 | } | |
2238 | ||
2239 | if (copy_from_user(&icmp6f, optval_addr, optlen)) { | |
2240 | return -TARGET_EFAULT; | |
2241 | } | |
2242 | ||
2243 | for (val = 0; val < 8; val++) { | |
2244 | icmp6f.data[val] = tswap32(icmp6f.data[val]); | |
2245 | } | |
2246 | ||
2247 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2248 | &icmp6f, optlen)); | |
2249 | break; | |
2250 | } | |
0d78b3b5 LV |
2251 | default: |
2252 | goto unimplemented; | |
2253 | } | |
2254 | break; | |
920394db JH |
2255 | case SOL_RAW: |
2256 | switch (optname) { | |
2257 | case ICMP_FILTER: | |
ee1ac3a1 HD |
2258 | case IPV6_CHECKSUM: |
2259 | /* those take an u32 value */ | |
920394db JH |
2260 | if (optlen < sizeof(uint32_t)) { |
2261 | return -TARGET_EINVAL; | |
2262 | } | |
2263 | ||
2264 | if (get_user_u32(val, optval_addr)) { | |
2265 | return -TARGET_EFAULT; | |
2266 | } | |
2267 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2268 | &val, sizeof(val))); | |
2269 | break; | |
2270 | ||
8853f86e FB |
2271 | default: |
2272 | goto unimplemented; | |
2273 | } | |
2274 | break; | |
f31dddd2 YS |
2275 | #if defined(SOL_ALG) && defined(ALG_SET_KEY) && defined(ALG_SET_AEAD_AUTHSIZE) |
2276 | case SOL_ALG: | |
2277 | switch (optname) { | |
2278 | case ALG_SET_KEY: | |
2279 | { | |
2280 | char *alg_key = g_malloc(optlen); | |
2281 | ||
2282 | if (!alg_key) { | |
2283 | return -TARGET_ENOMEM; | |
2284 | } | |
2285 | if (copy_from_user(alg_key, optval_addr, optlen)) { | |
2286 | g_free(alg_key); | |
2287 | return -TARGET_EFAULT; | |
2288 | } | |
2289 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2290 | alg_key, optlen)); | |
2291 | g_free(alg_key); | |
2292 | break; | |
2293 | } | |
2294 | case ALG_SET_AEAD_AUTHSIZE: | |
2295 | { | |
2296 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2297 | NULL, optlen)); | |
2298 | break; | |
2299 | } | |
2300 | default: | |
2301 | goto unimplemented; | |
2302 | } | |
2303 | break; | |
2304 | #endif | |
3532fa74 | 2305 | case TARGET_SOL_SOCKET: |
8853f86e | 2306 | switch (optname) { |
1b09aeb9 LV |
2307 | case TARGET_SO_RCVTIMEO: |
2308 | { | |
2309 | struct timeval tv; | |
2310 | ||
2311 | optname = SO_RCVTIMEO; | |
2312 | ||
2313 | set_timeout: | |
2314 | if (optlen != sizeof(struct target_timeval)) { | |
2315 | return -TARGET_EINVAL; | |
2316 | } | |
2317 | ||
2318 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
2319 | return -TARGET_EFAULT; | |
2320 | } | |
2321 | ||
2322 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, | |
2323 | &tv, sizeof(tv))); | |
2324 | return ret; | |
2325 | } | |
2326 | case TARGET_SO_SNDTIMEO: | |
2327 | optname = SO_SNDTIMEO; | |
2328 | goto set_timeout; | |
f57d4192 LV |
2329 | case TARGET_SO_ATTACH_FILTER: |
2330 | { | |
2331 | struct target_sock_fprog *tfprog; | |
2332 | struct target_sock_filter *tfilter; | |
2333 | struct sock_fprog fprog; | |
2334 | struct sock_filter *filter; | |
2335 | int i; | |
2336 | ||
2337 | if (optlen != sizeof(*tfprog)) { | |
2338 | return -TARGET_EINVAL; | |
2339 | } | |
2340 | if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { | |
2341 | return -TARGET_EFAULT; | |
2342 | } | |
2343 | if (!lock_user_struct(VERIFY_READ, tfilter, | |
2344 | tswapal(tfprog->filter), 0)) { | |
2345 | unlock_user_struct(tfprog, optval_addr, 1); | |
2346 | return -TARGET_EFAULT; | |
2347 | } | |
2348 | ||
2349 | fprog.len = tswap16(tfprog->len); | |
0e173b24 | 2350 | filter = g_try_new(struct sock_filter, fprog.len); |
f57d4192 LV |
2351 | if (filter == NULL) { |
2352 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2353 | unlock_user_struct(tfprog, optval_addr, 1); | |
2354 | return -TARGET_ENOMEM; | |
2355 | } | |
2356 | for (i = 0; i < fprog.len; i++) { | |
2357 | filter[i].code = tswap16(tfilter[i].code); | |
2358 | filter[i].jt = tfilter[i].jt; | |
2359 | filter[i].jf = tfilter[i].jf; | |
2360 | filter[i].k = tswap32(tfilter[i].k); | |
2361 | } | |
2362 | fprog.filter = filter; | |
2363 | ||
2364 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, | |
2365 | SO_ATTACH_FILTER, &fprog, sizeof(fprog))); | |
0e173b24 | 2366 | g_free(filter); |
f57d4192 LV |
2367 | |
2368 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2369 | unlock_user_struct(tfprog, optval_addr, 1); | |
2370 | return ret; | |
2371 | } | |
451aaf68 JT |
2372 | case TARGET_SO_BINDTODEVICE: |
2373 | { | |
2374 | char *dev_ifname, *addr_ifname; | |
2375 | ||
2376 | if (optlen > IFNAMSIZ - 1) { | |
2377 | optlen = IFNAMSIZ - 1; | |
2378 | } | |
2379 | dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
2380 | if (!dev_ifname) { | |
2381 | return -TARGET_EFAULT; | |
2382 | } | |
2383 | optname = SO_BINDTODEVICE; | |
2384 | addr_ifname = alloca(IFNAMSIZ); | |
2385 | memcpy(addr_ifname, dev_ifname, optlen); | |
2386 | addr_ifname[optlen] = 0; | |
fad6c58a CG |
2387 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, |
2388 | addr_ifname, optlen)); | |
451aaf68 JT |
2389 | unlock_user (dev_ifname, optval_addr, 0); |
2390 | return ret; | |
2391 | } | |
83eb6e50 CMAB |
2392 | case TARGET_SO_LINGER: |
2393 | { | |
2394 | struct linger lg; | |
2395 | struct target_linger *tlg; | |
2396 | ||
2397 | if (optlen != sizeof(struct target_linger)) { | |
2398 | return -TARGET_EINVAL; | |
2399 | } | |
2400 | if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) { | |
2401 | return -TARGET_EFAULT; | |
2402 | } | |
2403 | __get_user(lg.l_onoff, &tlg->l_onoff); | |
2404 | __get_user(lg.l_linger, &tlg->l_linger); | |
2405 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER, | |
2406 | &lg, sizeof(lg))); | |
2407 | unlock_user_struct(tlg, optval_addr, 0); | |
2408 | return ret; | |
2409 | } | |
8853f86e | 2410 | /* Options with 'int' argument. */ |
3532fa74 FB |
2411 | case TARGET_SO_DEBUG: |
2412 | optname = SO_DEBUG; | |
2413 | break; | |
2414 | case TARGET_SO_REUSEADDR: | |
2415 | optname = SO_REUSEADDR; | |
2416 | break; | |
113a9dd7 YS |
2417 | #ifdef SO_REUSEPORT |
2418 | case TARGET_SO_REUSEPORT: | |
2419 | optname = SO_REUSEPORT; | |
2420 | break; | |
2421 | #endif | |
3532fa74 FB |
2422 | case TARGET_SO_TYPE: |
2423 | optname = SO_TYPE; | |
2424 | break; | |
2425 | case TARGET_SO_ERROR: | |
2426 | optname = SO_ERROR; | |
2427 | break; | |
2428 | case TARGET_SO_DONTROUTE: | |
2429 | optname = SO_DONTROUTE; | |
2430 | break; | |
2431 | case TARGET_SO_BROADCAST: | |
2432 | optname = SO_BROADCAST; | |
2433 | break; | |
2434 | case TARGET_SO_SNDBUF: | |
2435 | optname = SO_SNDBUF; | |
2436 | break; | |
d79b6cc4 PB |
2437 | case TARGET_SO_SNDBUFFORCE: |
2438 | optname = SO_SNDBUFFORCE; | |
2439 | break; | |
3532fa74 FB |
2440 | case TARGET_SO_RCVBUF: |
2441 | optname = SO_RCVBUF; | |
2442 | break; | |
d79b6cc4 PB |
2443 | case TARGET_SO_RCVBUFFORCE: |
2444 | optname = SO_RCVBUFFORCE; | |
2445 | break; | |
3532fa74 FB |
2446 | case TARGET_SO_KEEPALIVE: |
2447 | optname = SO_KEEPALIVE; | |
2448 | break; | |
2449 | case TARGET_SO_OOBINLINE: | |
2450 | optname = SO_OOBINLINE; | |
2451 | break; | |
2452 | case TARGET_SO_NO_CHECK: | |
2453 | optname = SO_NO_CHECK; | |
2454 | break; | |
2455 | case TARGET_SO_PRIORITY: | |
2456 | optname = SO_PRIORITY; | |
2457 | break; | |
5e83e8e3 | 2458 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
2459 | case TARGET_SO_BSDCOMPAT: |
2460 | optname = SO_BSDCOMPAT; | |
2461 | break; | |
5e83e8e3 | 2462 | #endif |
3532fa74 FB |
2463 | case TARGET_SO_PASSCRED: |
2464 | optname = SO_PASSCRED; | |
2465 | break; | |
82d0fe6b PB |
2466 | case TARGET_SO_PASSSEC: |
2467 | optname = SO_PASSSEC; | |
2468 | break; | |
3532fa74 FB |
2469 | case TARGET_SO_TIMESTAMP: |
2470 | optname = SO_TIMESTAMP; | |
2471 | break; | |
2472 | case TARGET_SO_RCVLOWAT: | |
2473 | optname = SO_RCVLOWAT; | |
2474 | break; | |
8853f86e FB |
2475 | default: |
2476 | goto unimplemented; | |
2477 | } | |
3532fa74 | 2478 | if (optlen < sizeof(uint32_t)) |
2f619698 | 2479 | return -TARGET_EINVAL; |
3532fa74 | 2480 | |
2f619698 FB |
2481 | if (get_user_u32(val, optval_addr)) |
2482 | return -TARGET_EFAULT; | |
3532fa74 | 2483 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 2484 | break; |
a2d86682 JK |
2485 | #ifdef SOL_NETLINK |
2486 | case SOL_NETLINK: | |
2487 | switch (optname) { | |
2488 | case NETLINK_PKTINFO: | |
2489 | case NETLINK_ADD_MEMBERSHIP: | |
2490 | case NETLINK_DROP_MEMBERSHIP: | |
2491 | case NETLINK_BROADCAST_ERROR: | |
2492 | case NETLINK_NO_ENOBUFS: | |
2493 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
2494 | case NETLINK_LISTEN_ALL_NSID: | |
2495 | case NETLINK_CAP_ACK: | |
2496 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ | |
2497 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) | |
2498 | case NETLINK_EXT_ACK: | |
2499 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2500 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0) | |
2501 | case NETLINK_GET_STRICT_CHK: | |
2502 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2503 | break; | |
2504 | default: | |
2505 | goto unimplemented; | |
2506 | } | |
2507 | val = 0; | |
2508 | if (optlen < sizeof(uint32_t)) { | |
2509 | return -TARGET_EINVAL; | |
2510 | } | |
2511 | if (get_user_u32(val, optval_addr)) { | |
2512 | return -TARGET_EFAULT; | |
2513 | } | |
2514 | ret = get_errno(setsockopt(sockfd, SOL_NETLINK, optname, &val, | |
2515 | sizeof(val))); | |
2516 | break; | |
2517 | #endif /* SOL_NETLINK */ | |
7854b056 | 2518 | default: |
8853f86e | 2519 | unimplemented: |
39be5350 JK |
2520 | qemu_log_mask(LOG_UNIMP, "Unsupported setsockopt level=%d optname=%d\n", |
2521 | level, optname); | |
6fa13c17 | 2522 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 2523 | } |
8853f86e | 2524 | return ret; |
7854b056 FB |
2525 | } |
2526 | ||
0da46a6e | 2527 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 2528 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 2529 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 2530 | { |
992f48a0 | 2531 | abi_long ret; |
b55266b5 BS |
2532 | int len, val; |
2533 | socklen_t lv; | |
8853f86e FB |
2534 | |
2535 | switch(level) { | |
3532fa74 | 2536 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
2537 | level = SOL_SOCKET; |
2538 | switch (optname) { | |
2539 | /* These don't just return a single integer */ | |
f3b974cd JL |
2540 | case TARGET_SO_PEERNAME: |
2541 | goto unimplemented; | |
405dc4cf AS |
2542 | case TARGET_SO_RCVTIMEO: { |
2543 | struct timeval tv; | |
2544 | socklen_t tvlen; | |
2545 | ||
2546 | optname = SO_RCVTIMEO; | |
2547 | ||
2548 | get_timeout: | |
2549 | if (get_user_u32(len, optlen)) { | |
2550 | return -TARGET_EFAULT; | |
2551 | } | |
2552 | if (len < 0) { | |
2553 | return -TARGET_EINVAL; | |
2554 | } | |
2555 | ||
2556 | tvlen = sizeof(tv); | |
2557 | ret = get_errno(getsockopt(sockfd, level, optname, | |
2558 | &tv, &tvlen)); | |
2559 | if (ret < 0) { | |
2560 | return ret; | |
2561 | } | |
2562 | if (len > sizeof(struct target_timeval)) { | |
2563 | len = sizeof(struct target_timeval); | |
2564 | } | |
2565 | if (copy_to_user_timeval(optval_addr, &tv)) { | |
2566 | return -TARGET_EFAULT; | |
2567 | } | |
2568 | if (put_user_u32(len, optlen)) { | |
2569 | return -TARGET_EFAULT; | |
2570 | } | |
2571 | break; | |
2572 | } | |
2573 | case TARGET_SO_SNDTIMEO: | |
2574 | optname = SO_SNDTIMEO; | |
2575 | goto get_timeout; | |
583359a6 AP |
2576 | case TARGET_SO_PEERCRED: { |
2577 | struct ucred cr; | |
2578 | socklen_t crlen; | |
2579 | struct target_ucred *tcr; | |
2580 | ||
2581 | if (get_user_u32(len, optlen)) { | |
2582 | return -TARGET_EFAULT; | |
2583 | } | |
2584 | if (len < 0) { | |
2585 | return -TARGET_EINVAL; | |
2586 | } | |
2587 | ||
2588 | crlen = sizeof(cr); | |
2589 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
2590 | &cr, &crlen)); | |
2591 | if (ret < 0) { | |
2592 | return ret; | |
2593 | } | |
2594 | if (len > crlen) { | |
2595 | len = crlen; | |
2596 | } | |
2597 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
2598 | return -TARGET_EFAULT; | |
2599 | } | |
2600 | __put_user(cr.pid, &tcr->pid); | |
2601 | __put_user(cr.uid, &tcr->uid); | |
2602 | __put_user(cr.gid, &tcr->gid); | |
2603 | unlock_user_struct(tcr, optval_addr, 1); | |
2604 | if (put_user_u32(len, optlen)) { | |
83eb6e50 CMAB |
2605 | return -TARGET_EFAULT; |
2606 | } | |
2607 | break; | |
2608 | } | |
6d485a55 LV |
2609 | case TARGET_SO_PEERSEC: { |
2610 | char *name; | |
2611 | ||
2612 | if (get_user_u32(len, optlen)) { | |
2613 | return -TARGET_EFAULT; | |
2614 | } | |
2615 | if (len < 0) { | |
2616 | return -TARGET_EINVAL; | |
2617 | } | |
2618 | name = lock_user(VERIFY_WRITE, optval_addr, len, 0); | |
2619 | if (!name) { | |
2620 | return -TARGET_EFAULT; | |
2621 | } | |
2622 | lv = len; | |
2623 | ret = get_errno(getsockopt(sockfd, level, SO_PEERSEC, | |
2624 | name, &lv)); | |
2625 | if (put_user_u32(lv, optlen)) { | |
2626 | ret = -TARGET_EFAULT; | |
2627 | } | |
2628 | unlock_user(name, optval_addr, lv); | |
2629 | break; | |
2630 | } | |
83eb6e50 CMAB |
2631 | case TARGET_SO_LINGER: |
2632 | { | |
2633 | struct linger lg; | |
2634 | socklen_t lglen; | |
2635 | struct target_linger *tlg; | |
2636 | ||
2637 | if (get_user_u32(len, optlen)) { | |
2638 | return -TARGET_EFAULT; | |
2639 | } | |
2640 | if (len < 0) { | |
2641 | return -TARGET_EINVAL; | |
2642 | } | |
2643 | ||
2644 | lglen = sizeof(lg); | |
2645 | ret = get_errno(getsockopt(sockfd, level, SO_LINGER, | |
2646 | &lg, &lglen)); | |
2647 | if (ret < 0) { | |
2648 | return ret; | |
2649 | } | |
2650 | if (len > lglen) { | |
2651 | len = lglen; | |
2652 | } | |
2653 | if (!lock_user_struct(VERIFY_WRITE, tlg, optval_addr, 0)) { | |
2654 | return -TARGET_EFAULT; | |
2655 | } | |
2656 | __put_user(lg.l_onoff, &tlg->l_onoff); | |
2657 | __put_user(lg.l_linger, &tlg->l_linger); | |
2658 | unlock_user_struct(tlg, optval_addr, 1); | |
2659 | if (put_user_u32(len, optlen)) { | |
583359a6 AP |
2660 | return -TARGET_EFAULT; |
2661 | } | |
2662 | break; | |
2663 | } | |
f3b974cd JL |
2664 | /* Options with 'int' argument. */ |
2665 | case TARGET_SO_DEBUG: | |
2666 | optname = SO_DEBUG; | |
2667 | goto int_case; | |
2668 | case TARGET_SO_REUSEADDR: | |
2669 | optname = SO_REUSEADDR; | |
2670 | goto int_case; | |
113a9dd7 YS |
2671 | #ifdef SO_REUSEPORT |
2672 | case TARGET_SO_REUSEPORT: | |
2673 | optname = SO_REUSEPORT; | |
2674 | goto int_case; | |
2675 | #endif | |
f3b974cd JL |
2676 | case TARGET_SO_TYPE: |
2677 | optname = SO_TYPE; | |
2678 | goto int_case; | |
2679 | case TARGET_SO_ERROR: | |
2680 | optname = SO_ERROR; | |
2681 | goto int_case; | |
2682 | case TARGET_SO_DONTROUTE: | |
2683 | optname = SO_DONTROUTE; | |
2684 | goto int_case; | |
2685 | case TARGET_SO_BROADCAST: | |
2686 | optname = SO_BROADCAST; | |
2687 | goto int_case; | |
2688 | case TARGET_SO_SNDBUF: | |
2689 | optname = SO_SNDBUF; | |
2690 | goto int_case; | |
2691 | case TARGET_SO_RCVBUF: | |
2692 | optname = SO_RCVBUF; | |
2693 | goto int_case; | |
2694 | case TARGET_SO_KEEPALIVE: | |
2695 | optname = SO_KEEPALIVE; | |
2696 | goto int_case; | |
2697 | case TARGET_SO_OOBINLINE: | |
2698 | optname = SO_OOBINLINE; | |
2699 | goto int_case; | |
2700 | case TARGET_SO_NO_CHECK: | |
2701 | optname = SO_NO_CHECK; | |
2702 | goto int_case; | |
2703 | case TARGET_SO_PRIORITY: | |
2704 | optname = SO_PRIORITY; | |
2705 | goto int_case; | |
2706 | #ifdef SO_BSDCOMPAT | |
2707 | case TARGET_SO_BSDCOMPAT: | |
2708 | optname = SO_BSDCOMPAT; | |
2709 | goto int_case; | |
2710 | #endif | |
2711 | case TARGET_SO_PASSCRED: | |
2712 | optname = SO_PASSCRED; | |
2713 | goto int_case; | |
2714 | case TARGET_SO_TIMESTAMP: | |
2715 | optname = SO_TIMESTAMP; | |
2716 | goto int_case; | |
2717 | case TARGET_SO_RCVLOWAT: | |
2718 | optname = SO_RCVLOWAT; | |
2719 | goto int_case; | |
aec1ca41 PB |
2720 | case TARGET_SO_ACCEPTCONN: |
2721 | optname = SO_ACCEPTCONN; | |
2722 | goto int_case; | |
ec63e06e JD |
2723 | case TARGET_SO_PROTOCOL: |
2724 | optname = SO_PROTOCOL; | |
2725 | goto int_case; | |
2726 | case TARGET_SO_DOMAIN: | |
2727 | optname = SO_DOMAIN; | |
2728 | goto int_case; | |
8853f86e | 2729 | default: |
2efbe911 FB |
2730 | goto int_case; |
2731 | } | |
2732 | break; | |
2733 | case SOL_TCP: | |
fe51b0a5 SCW |
2734 | case SOL_UDP: |
2735 | /* TCP and UDP options all take an 'int' value. */ | |
2efbe911 | 2736 | int_case: |
2f619698 FB |
2737 | if (get_user_u32(len, optlen)) |
2738 | return -TARGET_EFAULT; | |
2efbe911 | 2739 | if (len < 0) |
0da46a6e | 2740 | return -TARGET_EINVAL; |
73160d95 | 2741 | lv = sizeof(lv); |
2efbe911 FB |
2742 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2743 | if (ret < 0) | |
2744 | return ret; | |
cb88b7c2 HD |
2745 | switch (optname) { |
2746 | case SO_TYPE: | |
8289d112 | 2747 | val = host_to_target_sock_type(val); |
cb88b7c2 HD |
2748 | break; |
2749 | case SO_ERROR: | |
2750 | val = host_to_target_errno(val); | |
2751 | break; | |
8289d112 | 2752 | } |
2efbe911 FB |
2753 | if (len > lv) |
2754 | len = lv; | |
2f619698 FB |
2755 | if (len == 4) { |
2756 | if (put_user_u32(val, optval_addr)) | |
2757 | return -TARGET_EFAULT; | |
2758 | } else { | |
2759 | if (put_user_u8(val, optval_addr)) | |
2760 | return -TARGET_EFAULT; | |
f3b974cd | 2761 | } |
2f619698 FB |
2762 | if (put_user_u32(len, optlen)) |
2763 | return -TARGET_EFAULT; | |
2efbe911 FB |
2764 | break; |
2765 | case SOL_IP: | |
2766 | switch(optname) { | |
2767 | case IP_TOS: | |
2768 | case IP_TTL: | |
2769 | case IP_HDRINCL: | |
2770 | case IP_ROUTER_ALERT: | |
2771 | case IP_RECVOPTS: | |
2772 | case IP_RETOPTS: | |
2773 | case IP_PKTINFO: | |
2774 | case IP_MTU_DISCOVER: | |
2775 | case IP_RECVERR: | |
2776 | case IP_RECVTOS: | |
2777 | #ifdef IP_FREEBIND | |
2778 | case IP_FREEBIND: | |
2779 | #endif | |
2780 | case IP_MULTICAST_TTL: | |
2781 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
2782 | if (get_user_u32(len, optlen)) |
2783 | return -TARGET_EFAULT; | |
8853f86e | 2784 | if (len < 0) |
0da46a6e | 2785 | return -TARGET_EINVAL; |
73160d95 | 2786 | lv = sizeof(lv); |
8853f86e FB |
2787 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2788 | if (ret < 0) | |
2789 | return ret; | |
2efbe911 | 2790 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 2791 | len = 1; |
2f619698 FB |
2792 | if (put_user_u32(len, optlen) |
2793 | || put_user_u8(val, optval_addr)) | |
2794 | return -TARGET_EFAULT; | |
2efbe911 | 2795 | } else { |
2efbe911 FB |
2796 | if (len > sizeof(int)) |
2797 | len = sizeof(int); | |
2f619698 FB |
2798 | if (put_user_u32(len, optlen) |
2799 | || put_user_u32(val, optval_addr)) | |
2800 | return -TARGET_EFAULT; | |
2efbe911 | 2801 | } |
8853f86e | 2802 | break; |
2efbe911 | 2803 | default: |
c02f499e TS |
2804 | ret = -TARGET_ENOPROTOOPT; |
2805 | break; | |
8853f86e FB |
2806 | } |
2807 | break; | |
bd8ed485 TD |
2808 | case SOL_IPV6: |
2809 | switch (optname) { | |
2810 | case IPV6_MTU_DISCOVER: | |
2811 | case IPV6_MTU: | |
2812 | case IPV6_V6ONLY: | |
2813 | case IPV6_RECVPKTINFO: | |
2814 | case IPV6_UNICAST_HOPS: | |
2815 | case IPV6_MULTICAST_HOPS: | |
2816 | case IPV6_MULTICAST_LOOP: | |
2817 | case IPV6_RECVERR: | |
2818 | case IPV6_RECVHOPLIMIT: | |
2819 | case IPV6_2292HOPLIMIT: | |
2820 | case IPV6_CHECKSUM: | |
b9cce6d7 HD |
2821 | case IPV6_ADDRFORM: |
2822 | case IPV6_2292PKTINFO: | |
2823 | case IPV6_RECVTCLASS: | |
2824 | case IPV6_RECVRTHDR: | |
2825 | case IPV6_2292RTHDR: | |
2826 | case IPV6_RECVHOPOPTS: | |
2827 | case IPV6_2292HOPOPTS: | |
2828 | case IPV6_RECVDSTOPTS: | |
2829 | case IPV6_2292DSTOPTS: | |
2830 | case IPV6_TCLASS: | |
22db1213 | 2831 | case IPV6_ADDR_PREFERENCES: |
b9cce6d7 HD |
2832 | #ifdef IPV6_RECVPATHMTU |
2833 | case IPV6_RECVPATHMTU: | |
2834 | #endif | |
2835 | #ifdef IPV6_TRANSPARENT | |
2836 | case IPV6_TRANSPARENT: | |
2837 | #endif | |
2838 | #ifdef IPV6_FREEBIND | |
2839 | case IPV6_FREEBIND: | |
2840 | #endif | |
2841 | #ifdef IPV6_RECVORIGDSTADDR | |
2842 | case IPV6_RECVORIGDSTADDR: | |
2843 | #endif | |
bd8ed485 TD |
2844 | if (get_user_u32(len, optlen)) |
2845 | return -TARGET_EFAULT; | |
2846 | if (len < 0) | |
2847 | return -TARGET_EINVAL; | |
2848 | lv = sizeof(lv); | |
2849 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); | |
2850 | if (ret < 0) | |
2851 | return ret; | |
2852 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { | |
2853 | len = 1; | |
2854 | if (put_user_u32(len, optlen) | |
2855 | || put_user_u8(val, optval_addr)) | |
2856 | return -TARGET_EFAULT; | |
2857 | } else { | |
2858 | if (len > sizeof(int)) | |
2859 | len = sizeof(int); | |
2860 | if (put_user_u32(len, optlen) | |
2861 | || put_user_u32(val, optval_addr)) | |
2862 | return -TARGET_EFAULT; | |
2863 | } | |
2864 | break; | |
2865 | default: | |
2866 | ret = -TARGET_ENOPROTOOPT; | |
2867 | break; | |
2868 | } | |
2869 | break; | |
a2d86682 JK |
2870 | #ifdef SOL_NETLINK |
2871 | case SOL_NETLINK: | |
2872 | switch (optname) { | |
2873 | case NETLINK_PKTINFO: | |
2874 | case NETLINK_BROADCAST_ERROR: | |
2875 | case NETLINK_NO_ENOBUFS: | |
2876 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
2877 | case NETLINK_LISTEN_ALL_NSID: | |
2878 | case NETLINK_CAP_ACK: | |
2879 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ | |
2880 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) | |
2881 | case NETLINK_EXT_ACK: | |
2882 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2883 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0) | |
2884 | case NETLINK_GET_STRICT_CHK: | |
2885 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2886 | if (get_user_u32(len, optlen)) { | |
2887 | return -TARGET_EFAULT; | |
2888 | } | |
2889 | if (len != sizeof(val)) { | |
2890 | return -TARGET_EINVAL; | |
2891 | } | |
2892 | lv = len; | |
2893 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); | |
2894 | if (ret < 0) { | |
2895 | return ret; | |
2896 | } | |
2897 | if (put_user_u32(lv, optlen) | |
2898 | || put_user_u32(val, optval_addr)) { | |
2899 | return -TARGET_EFAULT; | |
2900 | } | |
2901 | break; | |
2902 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
2903 | case NETLINK_LIST_MEMBERSHIPS: | |
2904 | { | |
2905 | uint32_t *results; | |
2906 | int i; | |
2907 | if (get_user_u32(len, optlen)) { | |
2908 | return -TARGET_EFAULT; | |
2909 | } | |
2910 | if (len < 0) { | |
2911 | return -TARGET_EINVAL; | |
2912 | } | |
2913 | results = lock_user(VERIFY_WRITE, optval_addr, len, 1); | |
13e340c8 | 2914 | if (!results && len > 0) { |
a2d86682 JK |
2915 | return -TARGET_EFAULT; |
2916 | } | |
2917 | lv = len; | |
2918 | ret = get_errno(getsockopt(sockfd, level, optname, results, &lv)); | |
2919 | if (ret < 0) { | |
2920 | unlock_user(results, optval_addr, 0); | |
2921 | return ret; | |
2922 | } | |
2923 | /* swap host endianess to target endianess. */ | |
2924 | for (i = 0; i < (len / sizeof(uint32_t)); i++) { | |
2925 | results[i] = tswap32(results[i]); | |
2926 | } | |
2927 | if (put_user_u32(lv, optlen)) { | |
2928 | return -TARGET_EFAULT; | |
2929 | } | |
2930 | unlock_user(results, optval_addr, 0); | |
2931 | break; | |
2932 | } | |
2933 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ | |
2934 | default: | |
2935 | goto unimplemented; | |
2936 | } | |
c0cb8801 | 2937 | break; |
a2d86682 | 2938 | #endif /* SOL_NETLINK */ |
8853f86e FB |
2939 | default: |
2940 | unimplemented: | |
39be5350 JK |
2941 | qemu_log_mask(LOG_UNIMP, |
2942 | "getsockopt level=%d optname=%d not yet supported\n", | |
2943 | level, optname); | |
c02f499e | 2944 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
2945 | break; |
2946 | } | |
2947 | return ret; | |
7854b056 FB |
2948 | } |
2949 | ||
9ac22517 MF |
2950 | /* Convert target low/high pair representing file offset into the host |
2951 | * low/high pair. This function doesn't handle offsets bigger than 64 bits | |
2952 | * as the kernel doesn't handle them either. | |
2953 | */ | |
2954 | static void target_to_host_low_high(abi_ulong tlow, | |
2955 | abi_ulong thigh, | |
2956 | unsigned long *hlow, | |
2957 | unsigned long *hhigh) | |
2958 | { | |
2959 | uint64_t off = tlow | | |
2960 | ((unsigned long long)thigh << TARGET_LONG_BITS / 2) << | |
2961 | TARGET_LONG_BITS / 2; | |
2962 | ||
2963 | *hlow = off; | |
2964 | *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2; | |
2965 | } | |
2966 | ||
f287b2c2 | 2967 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
dab32b32 | 2968 | abi_ulong count, int copy) |
53a5960a PB |
2969 | { |
2970 | struct target_iovec *target_vec; | |
f287b2c2 RH |
2971 | struct iovec *vec; |
2972 | abi_ulong total_len, max_len; | |
d732dcb4 | 2973 | int i; |
501bb4b0 | 2974 | int err = 0; |
29560a6c | 2975 | bool bad_address = false; |
53a5960a | 2976 | |
f287b2c2 RH |
2977 | if (count == 0) { |
2978 | errno = 0; | |
2979 | return NULL; | |
2980 | } | |
dab32b32 | 2981 | if (count > IOV_MAX) { |
f287b2c2 RH |
2982 | errno = EINVAL; |
2983 | return NULL; | |
2984 | } | |
2985 | ||
0e173b24 | 2986 | vec = g_try_new0(struct iovec, count); |
f287b2c2 RH |
2987 | if (vec == NULL) { |
2988 | errno = ENOMEM; | |
2989 | return NULL; | |
2990 | } | |
2991 | ||
2992 | target_vec = lock_user(VERIFY_READ, target_addr, | |
2993 | count * sizeof(struct target_iovec), 1); | |
2994 | if (target_vec == NULL) { | |
501bb4b0 | 2995 | err = EFAULT; |
f287b2c2 RH |
2996 | goto fail2; |
2997 | } | |
2998 | ||
2999 | /* ??? If host page size > target page size, this will result in a | |
3000 | value larger than what we can actually support. */ | |
3001 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
3002 | total_len = 0; | |
3003 | ||
3004 | for (i = 0; i < count; i++) { | |
3005 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
3006 | abi_long len = tswapal(target_vec[i].iov_len); | |
3007 | ||
3008 | if (len < 0) { | |
501bb4b0 | 3009 | err = EINVAL; |
f287b2c2 RH |
3010 | goto fail; |
3011 | } else if (len == 0) { | |
3012 | /* Zero length pointer is ignored. */ | |
3013 | vec[i].iov_base = 0; | |
41df8411 | 3014 | } else { |
f287b2c2 | 3015 | vec[i].iov_base = lock_user(type, base, len, copy); |
29560a6c TM |
3016 | /* If the first buffer pointer is bad, this is a fault. But |
3017 | * subsequent bad buffers will result in a partial write; this | |
3018 | * is realized by filling the vector with null pointers and | |
3019 | * zero lengths. */ | |
f287b2c2 | 3020 | if (!vec[i].iov_base) { |
29560a6c TM |
3021 | if (i == 0) { |
3022 | err = EFAULT; | |
3023 | goto fail; | |
3024 | } else { | |
3025 | bad_address = true; | |
3026 | } | |
3027 | } | |
3028 | if (bad_address) { | |
3029 | len = 0; | |
f287b2c2 RH |
3030 | } |
3031 | if (len > max_len - total_len) { | |
3032 | len = max_len - total_len; | |
3033 | } | |
41df8411 | 3034 | } |
f287b2c2 RH |
3035 | vec[i].iov_len = len; |
3036 | total_len += len; | |
579a97f7 | 3037 | } |
f287b2c2 RH |
3038 | |
3039 | unlock_user(target_vec, target_addr, 0); | |
3040 | return vec; | |
3041 | ||
3042 | fail: | |
7eff518b CG |
3043 | while (--i >= 0) { |
3044 | if (tswapal(target_vec[i].iov_len) > 0) { | |
3045 | unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0); | |
3046 | } | |
3047 | } | |
f287b2c2 | 3048 | unlock_user(target_vec, target_addr, 0); |
501bb4b0 | 3049 | fail2: |
0e173b24 | 3050 | g_free(vec); |
501bb4b0 | 3051 | errno = err; |
f287b2c2 | 3052 | return NULL; |
53a5960a PB |
3053 | } |
3054 | ||
f287b2c2 | 3055 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
dab32b32 | 3056 | abi_ulong count, int copy) |
53a5960a PB |
3057 | { |
3058 | struct target_iovec *target_vec; | |
53a5960a PB |
3059 | int i; |
3060 | ||
f287b2c2 RH |
3061 | target_vec = lock_user(VERIFY_READ, target_addr, |
3062 | count * sizeof(struct target_iovec), 1); | |
3063 | if (target_vec) { | |
3064 | for (i = 0; i < count; i++) { | |
3065 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
71ec7cef | 3066 | abi_long len = tswapal(target_vec[i].iov_len); |
f287b2c2 RH |
3067 | if (len < 0) { |
3068 | break; | |
3069 | } | |
d732dcb4 AZ |
3070 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
3071 | } | |
f287b2c2 | 3072 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 3073 | } |
579a97f7 | 3074 | |
0e173b24 | 3075 | g_free(vec); |
53a5960a PB |
3076 | } |
3077 | ||
53d09b76 | 3078 | static inline int target_to_host_sock_type(int *type) |
3532fa74 | 3079 | { |
f651e6ae PJ |
3080 | int host_type = 0; |
3081 | int target_type = *type; | |
3082 | ||
3083 | switch (target_type & TARGET_SOCK_TYPE_MASK) { | |
3532fa74 | 3084 | case TARGET_SOCK_DGRAM: |
f651e6ae | 3085 | host_type = SOCK_DGRAM; |
3532fa74 FB |
3086 | break; |
3087 | case TARGET_SOCK_STREAM: | |
f651e6ae | 3088 | host_type = SOCK_STREAM; |
3532fa74 | 3089 | break; |
f651e6ae PJ |
3090 | default: |
3091 | host_type = target_type & TARGET_SOCK_TYPE_MASK; | |
3532fa74 FB |
3092 | break; |
3093 | } | |
f651e6ae | 3094 | if (target_type & TARGET_SOCK_CLOEXEC) { |
53d09b76 | 3095 | #if defined(SOCK_CLOEXEC) |
f651e6ae | 3096 | host_type |= SOCK_CLOEXEC; |
53d09b76 EI |
3097 | #else |
3098 | return -TARGET_EINVAL; | |
3099 | #endif | |
f651e6ae PJ |
3100 | } |
3101 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
53d09b76 | 3102 | #if defined(SOCK_NONBLOCK) |
f651e6ae | 3103 | host_type |= SOCK_NONBLOCK; |
53d09b76 EI |
3104 | #elif !defined(O_NONBLOCK) |
3105 | return -TARGET_EINVAL; | |
3106 | #endif | |
f651e6ae PJ |
3107 | } |
3108 | *type = host_type; | |
53d09b76 EI |
3109 | return 0; |
3110 | } | |
3111 | ||
3112 | /* Try to emulate socket type flags after socket creation. */ | |
3113 | static int sock_flags_fixup(int fd, int target_type) | |
3114 | { | |
3115 | #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK) | |
3116 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
3117 | int flags = fcntl(fd, F_GETFL); | |
3118 | if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) { | |
3119 | close(fd); | |
3120 | return -TARGET_EINVAL; | |
3121 | } | |
3122 | } | |
3123 | #endif | |
3124 | return fd; | |
f651e6ae PJ |
3125 | } |
3126 | ||
3127 | /* do_socket() Must return target values and target errnos. */ | |
3128 | static abi_long do_socket(int domain, int type, int protocol) | |
3129 | { | |
53d09b76 EI |
3130 | int target_type = type; |
3131 | int ret; | |
3132 | ||
3133 | ret = target_to_host_sock_type(&type); | |
3134 | if (ret) { | |
3135 | return ret; | |
3136 | } | |
f651e6ae | 3137 | |
575b22b1 LV |
3138 | if (domain == PF_NETLINK && !( |
3139 | #ifdef CONFIG_RTNETLINK | |
3140 | protocol == NETLINK_ROUTE || | |
3141 | #endif | |
3142 | protocol == NETLINK_KOBJECT_UEVENT || | |
3143 | protocol == NETLINK_AUDIT)) { | |
71e2443e | 3144 | return -TARGET_EPROTONOSUPPORT; |
6c5b5645 | 3145 | } |
ff626f2d LV |
3146 | |
3147 | if (domain == AF_PACKET || | |
3148 | (domain == AF_INET && type == SOCK_PACKET)) { | |
3149 | protocol = tswap16(protocol); | |
3150 | } | |
3151 | ||
53d09b76 EI |
3152 | ret = get_errno(socket(domain, type, protocol)); |
3153 | if (ret >= 0) { | |
3154 | ret = sock_flags_fixup(ret, target_type); | |
0cf22722 LV |
3155 | if (type == SOCK_PACKET) { |
3156 | /* Manage an obsolete case : | |
3157 | * if socket type is SOCK_PACKET, bind by name | |
3158 | */ | |
3159 | fd_trans_register(ret, &target_packet_trans); | |
6c5b5645 LV |
3160 | } else if (domain == PF_NETLINK) { |
3161 | switch (protocol) { | |
575b22b1 | 3162 | #ifdef CONFIG_RTNETLINK |
6c5b5645 LV |
3163 | case NETLINK_ROUTE: |
3164 | fd_trans_register(ret, &target_netlink_route_trans); | |
3165 | break; | |
575b22b1 | 3166 | #endif |
b265620b LV |
3167 | case NETLINK_KOBJECT_UEVENT: |
3168 | /* nothing to do: messages are strings */ | |
3169 | break; | |
5ce9bb59 LV |
3170 | case NETLINK_AUDIT: |
3171 | fd_trans_register(ret, &target_netlink_audit_trans); | |
3172 | break; | |
6c5b5645 LV |
3173 | default: |
3174 | g_assert_not_reached(); | |
3175 | } | |
0cf22722 | 3176 | } |
53d09b76 EI |
3177 | } |
3178 | return ret; | |
3532fa74 FB |
3179 | } |
3180 | ||
0da46a6e | 3181 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
3182 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
3183 | socklen_t addrlen) | |
3532fa74 | 3184 | { |
8f7aeaf6 | 3185 | void *addr; |
917507b0 | 3186 | abi_long ret; |
8f7aeaf6 | 3187 | |
38724253 | 3188 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3189 | return -TARGET_EINVAL; |
38724253 | 3190 | } |
8f7aeaf6 | 3191 | |
607175e0 | 3192 | addr = alloca(addrlen+1); |
3b46e624 | 3193 | |
7b36f782 | 3194 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
3195 | if (ret) |
3196 | return ret; | |
3197 | ||
3532fa74 FB |
3198 | return get_errno(bind(sockfd, addr, addrlen)); |
3199 | } | |
3200 | ||
0da46a6e | 3201 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
3202 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
3203 | socklen_t addrlen) | |
3532fa74 | 3204 | { |
8f7aeaf6 | 3205 | void *addr; |
917507b0 | 3206 | abi_long ret; |
8f7aeaf6 | 3207 | |
38724253 | 3208 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3209 | return -TARGET_EINVAL; |
38724253 | 3210 | } |
8f7aeaf6 | 3211 | |
2dd08dfd | 3212 | addr = alloca(addrlen+1); |
3b46e624 | 3213 | |
7b36f782 | 3214 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
3215 | if (ret) |
3216 | return ret; | |
3217 | ||
2a3c7619 | 3218 | return get_errno(safe_connect(sockfd, addr, addrlen)); |
3532fa74 FB |
3219 | } |
3220 | ||
f19e00d7 AG |
3221 | /* do_sendrecvmsg_locked() Must return target values and target errnos. */ |
3222 | static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, | |
3223 | int flags, int send) | |
3532fa74 | 3224 | { |
6de645c7 | 3225 | abi_long ret, len; |
3532fa74 | 3226 | struct msghdr msg; |
dab32b32 | 3227 | abi_ulong count; |
3532fa74 | 3228 | struct iovec *vec; |
992f48a0 | 3229 | abi_ulong target_vec; |
3532fa74 | 3230 | |
3532fa74 FB |
3231 | if (msgp->msg_name) { |
3232 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
2dd08dfd | 3233 | msg.msg_name = alloca(msg.msg_namelen+1); |
7b36f782 LV |
3234 | ret = target_to_host_sockaddr(fd, msg.msg_name, |
3235 | tswapal(msgp->msg_name), | |
3236 | msg.msg_namelen); | |
26a6fc96 PM |
3237 | if (ret == -TARGET_EFAULT) { |
3238 | /* For connected sockets msg_name and msg_namelen must | |
3239 | * be ignored, so returning EFAULT immediately is wrong. | |
3240 | * Instead, pass a bad msg_name to the host kernel, and | |
3241 | * let it decide whether to return EFAULT or not. | |
3242 | */ | |
3243 | msg.msg_name = (void *)-1; | |
3244 | } else if (ret) { | |
f287b2c2 | 3245 | goto out2; |
917507b0 | 3246 | } |
3532fa74 FB |
3247 | } else { |
3248 | msg.msg_name = NULL; | |
3249 | msg.msg_namelen = 0; | |
3250 | } | |
cbb21eed | 3251 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 | 3252 | msg.msg_control = alloca(msg.msg_controllen); |
1d3d1b23 JS |
3253 | memset(msg.msg_control, 0, msg.msg_controllen); |
3254 | ||
3532fa74 | 3255 | msg.msg_flags = tswap32(msgp->msg_flags); |
3b46e624 | 3256 | |
cbb21eed | 3257 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 3258 | target_vec = tswapal(msgp->msg_iov); |
97b07970 PM |
3259 | |
3260 | if (count > IOV_MAX) { | |
3261 | /* sendrcvmsg returns a different errno for this condition than | |
3262 | * readv/writev, so we must catch it here before lock_iovec() does. | |
3263 | */ | |
3264 | ret = -TARGET_EMSGSIZE; | |
3265 | goto out2; | |
3266 | } | |
3267 | ||
f287b2c2 RH |
3268 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
3269 | target_vec, count, send); | |
3270 | if (vec == NULL) { | |
3271 | ret = -host_to_target_errno(errno); | |
3f0744f9 HD |
3272 | /* allow sending packet without any iov, e.g. with MSG_MORE flag */ |
3273 | if (!send || ret) { | |
3274 | goto out2; | |
3275 | } | |
f287b2c2 | 3276 | } |
3532fa74 FB |
3277 | msg.msg_iovlen = count; |
3278 | msg.msg_iov = vec; | |
3b46e624 | 3279 | |
3532fa74 | 3280 | if (send) { |
6c5b5645 | 3281 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
3282 | void *host_msg; |
3283 | ||
3284 | host_msg = g_malloc(msg.msg_iov->iov_len); | |
3285 | memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len); | |
3286 | ret = fd_trans_target_to_host_data(fd)(host_msg, | |
6c5b5645 | 3287 | msg.msg_iov->iov_len); |
7d61d892 LV |
3288 | if (ret >= 0) { |
3289 | msg.msg_iov->iov_base = host_msg; | |
3290 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
3291 | } | |
3292 | g_free(host_msg); | |
6c5b5645 LV |
3293 | } else { |
3294 | ret = target_to_host_cmsg(&msg, msgp); | |
7d61d892 LV |
3295 | if (ret == 0) { |
3296 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
3297 | } | |
6c5b5645 | 3298 | } |
3532fa74 | 3299 | } else { |
66687530 | 3300 | ret = get_errno(safe_recvmsg(fd, &msg, flags)); |
6de645c7 AZ |
3301 | if (!is_error(ret)) { |
3302 | len = ret; | |
6c5b5645 LV |
3303 | if (fd_trans_host_to_target_data(fd)) { |
3304 | ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base, | |
2a03d3e6 | 3305 | MIN(msg.msg_iov->iov_len, len)); |
16c81dd5 IZ |
3306 | } |
3307 | if (!is_error(ret)) { | |
6c5b5645 LV |
3308 | ret = host_to_target_cmsg(msgp, &msg); |
3309 | } | |
ca619067 JH |
3310 | if (!is_error(ret)) { |
3311 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
24894f39 | 3312 | msgp->msg_flags = tswap32(msg.msg_flags); |
26a6fc96 | 3313 | if (msg.msg_name != NULL && msg.msg_name != (void *)-1) { |
ca619067 JH |
3314 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), |
3315 | msg.msg_name, msg.msg_namelen); | |
3316 | if (ret) { | |
3317 | goto out; | |
3318 | } | |
3319 | } | |
3320 | ||
6de645c7 | 3321 | ret = len; |
ca619067 | 3322 | } |
6de645c7 | 3323 | } |
3532fa74 | 3324 | } |
ca619067 JH |
3325 | |
3326 | out: | |
3f0744f9 HD |
3327 | if (vec) { |
3328 | unlock_iovec(vec, target_vec, count, !send); | |
3329 | } | |
f287b2c2 | 3330 | out2: |
f19e00d7 AG |
3331 | return ret; |
3332 | } | |
3333 | ||
3334 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, | |
3335 | int flags, int send) | |
3336 | { | |
3337 | abi_long ret; | |
3338 | struct target_msghdr *msgp; | |
3339 | ||
3340 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
3341 | msgp, | |
3342 | target_msg, | |
3343 | send ? 1 : 0)) { | |
3344 | return -TARGET_EFAULT; | |
3345 | } | |
3346 | ret = do_sendrecvmsg_locked(fd, msgp, flags, send); | |
579a97f7 | 3347 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
3348 | return ret; |
3349 | } | |
3350 | ||
f19e00d7 AG |
3351 | /* We don't rely on the C library to have sendmmsg/recvmmsg support, |
3352 | * so it might not have this *mmsg-specific flag either. | |
3353 | */ | |
3354 | #ifndef MSG_WAITFORONE | |
3355 | #define MSG_WAITFORONE 0x10000 | |
3356 | #endif | |
3357 | ||
3358 | static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec, | |
3359 | unsigned int vlen, unsigned int flags, | |
3360 | int send) | |
3361 | { | |
3362 | struct target_mmsghdr *mmsgp; | |
3363 | abi_long ret = 0; | |
3364 | int i; | |
3365 | ||
3366 | if (vlen > UIO_MAXIOV) { | |
3367 | vlen = UIO_MAXIOV; | |
3368 | } | |
3369 | ||
3370 | mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1); | |
3371 | if (!mmsgp) { | |
3372 | return -TARGET_EFAULT; | |
3373 | } | |
3374 | ||
3375 | for (i = 0; i < vlen; i++) { | |
3376 | ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send); | |
3377 | if (is_error(ret)) { | |
3378 | break; | |
3379 | } | |
3380 | mmsgp[i].msg_len = tswap32(ret); | |
3381 | /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */ | |
3382 | if (flags & MSG_WAITFORONE) { | |
3383 | flags |= MSG_DONTWAIT; | |
3384 | } | |
3385 | } | |
3386 | ||
3387 | unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i); | |
3388 | ||
3389 | /* Return number of datagrams sent if we sent any at all; | |
3390 | * otherwise return the error. | |
3391 | */ | |
3392 | if (i) { | |
3393 | return i; | |
3394 | } | |
3395 | return ret; | |
3396 | } | |
f19e00d7 | 3397 | |
a94b4987 PM |
3398 | /* do_accept4() Must return target values and target errnos. */ |
3399 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
3400 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 3401 | { |
cd813367 | 3402 | socklen_t addrlen, ret_addrlen; |
2f619698 | 3403 | void *addr; |
992f48a0 | 3404 | abi_long ret; |
d25295d4 PJ |
3405 | int host_flags; |
3406 | ||
dca4c838 HD |
3407 | if (flags & ~(TARGET_SOCK_CLOEXEC | TARGET_SOCK_NONBLOCK)) { |
3408 | return -TARGET_EINVAL; | |
3409 | } | |
3410 | ||
3411 | host_flags = 0; | |
3412 | if (flags & TARGET_SOCK_NONBLOCK) { | |
3413 | host_flags |= SOCK_NONBLOCK; | |
3414 | } | |
3415 | if (flags & TARGET_SOCK_CLOEXEC) { | |
3416 | host_flags |= SOCK_CLOEXEC; | |
3417 | } | |
1be9e1dc | 3418 | |
a94b4987 | 3419 | if (target_addr == 0) { |
ff6dc130 | 3420 | return get_errno(safe_accept4(fd, NULL, NULL, host_flags)); |
a94b4987 | 3421 | } |
917507b0 | 3422 | |
e554eb4b | 3423 | /* linux returns EFAULT if addrlen pointer is invalid */ |
2f619698 | 3424 | if (get_user_u32(addrlen, target_addrlen_addr)) |
e554eb4b | 3425 | return -TARGET_EFAULT; |
2f619698 | 3426 | |
38724253 | 3427 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3428 | return -TARGET_EINVAL; |
38724253 | 3429 | } |
8f7aeaf6 | 3430 | |
c7169b02 | 3431 | if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) { |
e554eb4b | 3432 | return -TARGET_EFAULT; |
c7169b02 | 3433 | } |
917507b0 | 3434 | |
2f619698 FB |
3435 | addr = alloca(addrlen); |
3436 | ||
cd813367 AS |
3437 | ret_addrlen = addrlen; |
3438 | ret = get_errno(safe_accept4(fd, addr, &ret_addrlen, host_flags)); | |
1be9e1dc | 3439 | if (!is_error(ret)) { |
cd813367 AS |
3440 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3441 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3442 | ret = -TARGET_EFAULT; |
cd813367 | 3443 | } |
1be9e1dc PB |
3444 | } |
3445 | return ret; | |
3446 | } | |
3447 | ||
0da46a6e | 3448 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 3449 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 3450 | abi_ulong target_addrlen_addr) |
1be9e1dc | 3451 | { |
cd813367 | 3452 | socklen_t addrlen, ret_addrlen; |
2f619698 | 3453 | void *addr; |
992f48a0 | 3454 | abi_long ret; |
1be9e1dc | 3455 | |
2f619698 FB |
3456 | if (get_user_u32(addrlen, target_addrlen_addr)) |
3457 | return -TARGET_EFAULT; | |
3458 | ||
38724253 | 3459 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3460 | return -TARGET_EINVAL; |
38724253 | 3461 | } |
8f7aeaf6 | 3462 | |
c7169b02 | 3463 | if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) { |
917507b0 | 3464 | return -TARGET_EFAULT; |
c7169b02 | 3465 | } |
917507b0 | 3466 | |
2f619698 FB |
3467 | addr = alloca(addrlen); |
3468 | ||
cd813367 AS |
3469 | ret_addrlen = addrlen; |
3470 | ret = get_errno(getpeername(fd, addr, &ret_addrlen)); | |
1be9e1dc | 3471 | if (!is_error(ret)) { |
cd813367 AS |
3472 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3473 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3474 | ret = -TARGET_EFAULT; |
cd813367 | 3475 | } |
1be9e1dc PB |
3476 | } |
3477 | return ret; | |
3478 | } | |
3479 | ||
0da46a6e | 3480 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 3481 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 3482 | abi_ulong target_addrlen_addr) |
1be9e1dc | 3483 | { |
cd813367 | 3484 | socklen_t addrlen, ret_addrlen; |
2f619698 | 3485 | void *addr; |
992f48a0 | 3486 | abi_long ret; |
1be9e1dc | 3487 | |
2f619698 FB |
3488 | if (get_user_u32(addrlen, target_addrlen_addr)) |
3489 | return -TARGET_EFAULT; | |
3490 | ||
38724253 | 3491 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3492 | return -TARGET_EINVAL; |
38724253 | 3493 | } |
8f7aeaf6 | 3494 | |
c7169b02 | 3495 | if (!access_ok(thread_cpu, VERIFY_WRITE, target_addr, addrlen)) { |
917507b0 | 3496 | return -TARGET_EFAULT; |
c7169b02 | 3497 | } |
917507b0 | 3498 | |
2f619698 FB |
3499 | addr = alloca(addrlen); |
3500 | ||
cd813367 AS |
3501 | ret_addrlen = addrlen; |
3502 | ret = get_errno(getsockname(fd, addr, &ret_addrlen)); | |
1be9e1dc | 3503 | if (!is_error(ret)) { |
cd813367 AS |
3504 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3505 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3506 | ret = -TARGET_EFAULT; |
cd813367 | 3507 | } |
1be9e1dc PB |
3508 | } |
3509 | return ret; | |
3510 | } | |
3511 | ||
0da46a6e | 3512 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 3513 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 3514 | abi_ulong target_tab_addr) |
1be9e1dc PB |
3515 | { |
3516 | int tab[2]; | |
992f48a0 | 3517 | abi_long ret; |
1be9e1dc | 3518 | |
f651e6ae PJ |
3519 | target_to_host_sock_type(&type); |
3520 | ||
1be9e1dc PB |
3521 | ret = get_errno(socketpair(domain, type, protocol, tab)); |
3522 | if (!is_error(ret)) { | |
2f619698 FB |
3523 | if (put_user_s32(tab[0], target_tab_addr) |
3524 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
3525 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
3526 | } |
3527 | return ret; | |
3528 | } | |
3529 | ||
0da46a6e | 3530 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
3531 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
3532 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
3533 | { |
3534 | void *addr; | |
3535 | void *host_msg; | |
7d61d892 | 3536 | void *copy_msg = NULL; |
992f48a0 | 3537 | abi_long ret; |
1be9e1dc | 3538 | |
38724253 | 3539 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3540 | return -TARGET_EINVAL; |
38724253 | 3541 | } |
8f7aeaf6 | 3542 | |
579a97f7 FB |
3543 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
3544 | if (!host_msg) | |
3545 | return -TARGET_EFAULT; | |
6c5b5645 | 3546 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
3547 | copy_msg = host_msg; |
3548 | host_msg = g_malloc(len); | |
3549 | memcpy(host_msg, copy_msg, len); | |
6c5b5645 LV |
3550 | ret = fd_trans_target_to_host_data(fd)(host_msg, len); |
3551 | if (ret < 0) { | |
7d61d892 | 3552 | goto fail; |
6c5b5645 LV |
3553 | } |
3554 | } | |
1be9e1dc | 3555 | if (target_addr) { |
2dd08dfd | 3556 | addr = alloca(addrlen+1); |
7b36f782 | 3557 | ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen); |
917507b0 | 3558 | if (ret) { |
7d61d892 | 3559 | goto fail; |
917507b0 | 3560 | } |
66687530 | 3561 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen)); |
1be9e1dc | 3562 | } else { |
66687530 | 3563 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc | 3564 | } |
7d61d892 LV |
3565 | fail: |
3566 | if (copy_msg) { | |
3567 | g_free(host_msg); | |
3568 | host_msg = copy_msg; | |
3569 | } | |
1be9e1dc PB |
3570 | unlock_user(host_msg, msg, 0); |
3571 | return ret; | |
3572 | } | |
3573 | ||
0da46a6e | 3574 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
3575 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
3576 | abi_ulong target_addr, | |
3577 | abi_ulong target_addrlen) | |
1be9e1dc | 3578 | { |
cd813367 | 3579 | socklen_t addrlen, ret_addrlen; |
1be9e1dc PB |
3580 | void *addr; |
3581 | void *host_msg; | |
992f48a0 | 3582 | abi_long ret; |
1be9e1dc | 3583 | |
4a1e6bce ZR |
3584 | if (!msg) { |
3585 | host_msg = NULL; | |
3586 | } else { | |
3587 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); | |
3588 | if (!host_msg) { | |
3589 | return -TARGET_EFAULT; | |
3590 | } | |
3591 | } | |
1be9e1dc | 3592 | if (target_addr) { |
2f619698 FB |
3593 | if (get_user_u32(addrlen, target_addrlen)) { |
3594 | ret = -TARGET_EFAULT; | |
3595 | goto fail; | |
3596 | } | |
38724253 | 3597 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
3598 | ret = -TARGET_EINVAL; |
3599 | goto fail; | |
3600 | } | |
1be9e1dc | 3601 | addr = alloca(addrlen); |
cd813367 | 3602 | ret_addrlen = addrlen; |
66687530 | 3603 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, |
cd813367 | 3604 | addr, &ret_addrlen)); |
1be9e1dc PB |
3605 | } else { |
3606 | addr = NULL; /* To keep compiler quiet. */ | |
cd813367 | 3607 | addrlen = 0; /* To keep compiler quiet. */ |
66687530 | 3608 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc PB |
3609 | } |
3610 | if (!is_error(ret)) { | |
c35e1f9c | 3611 | if (fd_trans_host_to_target_data(fd)) { |
2a03d3e6 LV |
3612 | abi_long trans; |
3613 | trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len)); | |
3614 | if (is_error(trans)) { | |
3615 | ret = trans; | |
3616 | goto fail; | |
3617 | } | |
c35e1f9c | 3618 | } |
1be9e1dc | 3619 | if (target_addr) { |
cd813367 AS |
3620 | host_to_target_sockaddr(target_addr, addr, |
3621 | MIN(addrlen, ret_addrlen)); | |
3622 | if (put_user_u32(ret_addrlen, target_addrlen)) { | |
2f619698 FB |
3623 | ret = -TARGET_EFAULT; |
3624 | goto fail; | |
3625 | } | |
1be9e1dc PB |
3626 | } |
3627 | unlock_user(host_msg, msg, len); | |
3628 | } else { | |
2f619698 | 3629 | fail: |
1be9e1dc PB |
3630 | unlock_user(host_msg, msg, 0); |
3631 | } | |
3632 | return ret; | |
3633 | } | |
3634 | ||
32407103 | 3635 | #ifdef TARGET_NR_socketcall |
ff71a454 | 3636 | /* do_socketcall() must return target values and target errnos. */ |
992f48a0 | 3637 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 3638 | { |
ff71a454 AM |
3639 | static const unsigned nargs[] = { /* number of arguments per operation */ |
3640 | [TARGET_SYS_SOCKET] = 3, /* domain, type, protocol */ | |
3641 | [TARGET_SYS_BIND] = 3, /* fd, addr, addrlen */ | |
3642 | [TARGET_SYS_CONNECT] = 3, /* fd, addr, addrlen */ | |
3643 | [TARGET_SYS_LISTEN] = 2, /* fd, backlog */ | |
3644 | [TARGET_SYS_ACCEPT] = 3, /* fd, addr, addrlen */ | |
3645 | [TARGET_SYS_GETSOCKNAME] = 3, /* fd, addr, addrlen */ | |
3646 | [TARGET_SYS_GETPEERNAME] = 3, /* fd, addr, addrlen */ | |
3647 | [TARGET_SYS_SOCKETPAIR] = 4, /* domain, type, protocol, tab */ | |
3648 | [TARGET_SYS_SEND] = 4, /* fd, msg, len, flags */ | |
3649 | [TARGET_SYS_RECV] = 4, /* fd, msg, len, flags */ | |
3650 | [TARGET_SYS_SENDTO] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3651 | [TARGET_SYS_RECVFROM] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3652 | [TARGET_SYS_SHUTDOWN] = 2, /* fd, how */ | |
3653 | [TARGET_SYS_SETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3654 | [TARGET_SYS_GETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3655 | [TARGET_SYS_SENDMSG] = 3, /* fd, msg, flags */ | |
3656 | [TARGET_SYS_RECVMSG] = 3, /* fd, msg, flags */ | |
3657 | [TARGET_SYS_ACCEPT4] = 4, /* fd, addr, addrlen, flags */ | |
3658 | [TARGET_SYS_RECVMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
3659 | [TARGET_SYS_SENDMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
62dc90c6 MT |
3660 | }; |
3661 | abi_long a[6]; /* max 6 args */ | |
ff71a454 | 3662 | unsigned i; |
62dc90c6 | 3663 | |
ff71a454 AM |
3664 | /* check the range of the first argument num */ |
3665 | /* (TARGET_SYS_SENDMMSG is the highest among TARGET_SYS_xxx) */ | |
3666 | if (num < 1 || num > TARGET_SYS_SENDMMSG) { | |
3667 | return -TARGET_EINVAL; | |
3668 | } | |
3669 | /* ensure we have space for args */ | |
3670 | if (nargs[num] > ARRAY_SIZE(a)) { | |
3671 | return -TARGET_EINVAL; | |
3672 | } | |
3673 | /* collect the arguments in a[] according to nargs[] */ | |
3674 | for (i = 0; i < nargs[num]; ++i) { | |
3675 | if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) { | |
3676 | return -TARGET_EFAULT; | |
31e31b8a | 3677 | } |
62dc90c6 | 3678 | } |
ff71a454 | 3679 | /* now when we have the args, invoke the appropriate underlying function */ |
62dc90c6 | 3680 | switch (num) { |
ff71a454 | 3681 | case TARGET_SYS_SOCKET: /* domain, type, protocol */ |
62dc90c6 | 3682 | return do_socket(a[0], a[1], a[2]); |
ff71a454 | 3683 | case TARGET_SYS_BIND: /* sockfd, addr, addrlen */ |
62dc90c6 | 3684 | return do_bind(a[0], a[1], a[2]); |
ff71a454 | 3685 | case TARGET_SYS_CONNECT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3686 | return do_connect(a[0], a[1], a[2]); |
ff71a454 | 3687 | case TARGET_SYS_LISTEN: /* sockfd, backlog */ |
62dc90c6 | 3688 | return get_errno(listen(a[0], a[1])); |
ff71a454 | 3689 | case TARGET_SYS_ACCEPT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3690 | return do_accept4(a[0], a[1], a[2], 0); |
ff71a454 | 3691 | case TARGET_SYS_GETSOCKNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3692 | return do_getsockname(a[0], a[1], a[2]); |
ff71a454 | 3693 | case TARGET_SYS_GETPEERNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3694 | return do_getpeername(a[0], a[1], a[2]); |
ff71a454 | 3695 | case TARGET_SYS_SOCKETPAIR: /* domain, type, protocol, tab */ |
62dc90c6 | 3696 | return do_socketpair(a[0], a[1], a[2], a[3]); |
ff71a454 | 3697 | case TARGET_SYS_SEND: /* sockfd, msg, len, flags */ |
62dc90c6 | 3698 | return do_sendto(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3699 | case TARGET_SYS_RECV: /* sockfd, msg, len, flags */ |
62dc90c6 | 3700 | return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3701 | case TARGET_SYS_SENDTO: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3702 | return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3703 | case TARGET_SYS_RECVFROM: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3704 | return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3705 | case TARGET_SYS_SHUTDOWN: /* sockfd, how */ |
62dc90c6 | 3706 | return get_errno(shutdown(a[0], a[1])); |
ff71a454 AM |
3707 | case TARGET_SYS_SETSOCKOPT: /* sockfd, level, optname, optval, optlen */ |
3708 | return do_setsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3709 | case TARGET_SYS_GETSOCKOPT: /* sockfd, level, optname, optval, optlen */ | |
3710 | return do_getsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3711 | case TARGET_SYS_SENDMSG: /* sockfd, msg, flags */ | |
62dc90c6 | 3712 | return do_sendrecvmsg(a[0], a[1], a[2], 1); |
ff71a454 | 3713 | case TARGET_SYS_RECVMSG: /* sockfd, msg, flags */ |
62dc90c6 | 3714 | return do_sendrecvmsg(a[0], a[1], a[2], 0); |
ff71a454 AM |
3715 | case TARGET_SYS_ACCEPT4: /* sockfd, addr, addrlen, flags */ |
3716 | return do_accept4(a[0], a[1], a[2], a[3]); | |
3717 | case TARGET_SYS_RECVMMSG: /* sockfd, msgvec, vlen, flags */ | |
5a53dc50 | 3718 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0); |
ff71a454 AM |
3719 | case TARGET_SYS_SENDMMSG: /* sockfd, msgvec, vlen, flags */ |
3720 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1); | |
31e31b8a | 3721 | default: |
39be5350 | 3722 | qemu_log_mask(LOG_UNIMP, "Unsupported socketcall: %d\n", num); |
ff71a454 | 3723 | return -TARGET_EINVAL; |
31e31b8a | 3724 | } |
31e31b8a | 3725 | } |
32407103 | 3726 | #endif |
31e31b8a | 3727 | |
8853f86e FB |
3728 | #define N_SHM_REGIONS 32 |
3729 | ||
3730 | static struct shm_region { | |
b6e17875 PM |
3731 | abi_ulong start; |
3732 | abi_ulong size; | |
3733 | bool in_use; | |
8853f86e FB |
3734 | } shm_regions[N_SHM_REGIONS]; |
3735 | ||
005eb2ae PM |
3736 | #ifndef TARGET_SEMID64_DS |
3737 | /* asm-generic version of this struct */ | |
3738 | struct target_semid64_ds | |
3eb6b044 TS |
3739 | { |
3740 | struct target_ipc_perm sem_perm; | |
992f48a0 | 3741 | abi_ulong sem_otime; |
005eb2ae | 3742 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3743 | abi_ulong __unused1; |
03527344 | 3744 | #endif |
992f48a0 | 3745 | abi_ulong sem_ctime; |
005eb2ae | 3746 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3747 | abi_ulong __unused2; |
03527344 | 3748 | #endif |
992f48a0 BS |
3749 | abi_ulong sem_nsems; |
3750 | abi_ulong __unused3; | |
3751 | abi_ulong __unused4; | |
3eb6b044 | 3752 | }; |
005eb2ae | 3753 | #endif |
3eb6b044 | 3754 | |
579a97f7 FB |
3755 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
3756 | abi_ulong target_addr) | |
3eb6b044 TS |
3757 | { |
3758 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3759 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3760 | |
579a97f7 FB |
3761 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3762 | return -TARGET_EFAULT; | |
e8bbe36c | 3763 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3764 | host_ip->__key = tswap32(target_ip->__key); |
3765 | host_ip->uid = tswap32(target_ip->uid); | |
3766 | host_ip->gid = tswap32(target_ip->gid); | |
3767 | host_ip->cuid = tswap32(target_ip->cuid); | |
3768 | host_ip->cgid = tswap32(target_ip->cgid); | |
3769 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3770 | host_ip->mode = tswap32(target_ip->mode); | |
3771 | #else | |
cbb21eed | 3772 | host_ip->mode = tswap16(target_ip->mode); |
55a2b163 PJ |
3773 | #endif |
3774 | #if defined(TARGET_PPC) | |
3775 | host_ip->__seq = tswap32(target_ip->__seq); | |
3776 | #else | |
3777 | host_ip->__seq = tswap16(target_ip->__seq); | |
3778 | #endif | |
3eb6b044 | 3779 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3780 | return 0; |
3eb6b044 TS |
3781 | } |
3782 | ||
579a97f7 FB |
3783 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
3784 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
3785 | { |
3786 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3787 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3788 | |
579a97f7 FB |
3789 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3790 | return -TARGET_EFAULT; | |
3eb6b044 | 3791 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3792 | target_ip->__key = tswap32(host_ip->__key); |
3793 | target_ip->uid = tswap32(host_ip->uid); | |
3794 | target_ip->gid = tswap32(host_ip->gid); | |
3795 | target_ip->cuid = tswap32(host_ip->cuid); | |
3796 | target_ip->cgid = tswap32(host_ip->cgid); | |
3797 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3798 | target_ip->mode = tswap32(host_ip->mode); | |
3799 | #else | |
cbb21eed | 3800 | target_ip->mode = tswap16(host_ip->mode); |
55a2b163 PJ |
3801 | #endif |
3802 | #if defined(TARGET_PPC) | |
3803 | target_ip->__seq = tswap32(host_ip->__seq); | |
3804 | #else | |
3805 | target_ip->__seq = tswap16(host_ip->__seq); | |
3806 | #endif | |
3eb6b044 | 3807 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3808 | return 0; |
3eb6b044 TS |
3809 | } |
3810 | ||
579a97f7 FB |
3811 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
3812 | abi_ulong target_addr) | |
3eb6b044 | 3813 | { |
005eb2ae | 3814 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3815 | |
579a97f7 FB |
3816 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3817 | return -TARGET_EFAULT; | |
e5289087 AJ |
3818 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
3819 | return -TARGET_EFAULT; | |
cbb21eed MB |
3820 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
3821 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
3822 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 3823 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3824 | return 0; |
3eb6b044 TS |
3825 | } |
3826 | ||
579a97f7 FB |
3827 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
3828 | struct semid_ds *host_sd) | |
3eb6b044 | 3829 | { |
005eb2ae | 3830 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3831 | |
579a97f7 FB |
3832 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3833 | return -TARGET_EFAULT; | |
e5289087 | 3834 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 3835 | return -TARGET_EFAULT; |
cbb21eed MB |
3836 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
3837 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
3838 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 3839 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3840 | return 0; |
3eb6b044 TS |
3841 | } |
3842 | ||
e5289087 AJ |
3843 | struct target_seminfo { |
3844 | int semmap; | |
3845 | int semmni; | |
3846 | int semmns; | |
3847 | int semmnu; | |
3848 | int semmsl; | |
3849 | int semopm; | |
3850 | int semume; | |
3851 | int semusz; | |
3852 | int semvmx; | |
3853 | int semaem; | |
3854 | }; | |
3855 | ||
3856 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
3857 | struct seminfo *host_seminfo) | |
3858 | { | |
3859 | struct target_seminfo *target_seminfo; | |
3860 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
3861 | return -TARGET_EFAULT; | |
3862 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
3863 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
3864 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
3865 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
3866 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
3867 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
3868 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
3869 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
3870 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
3871 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
3872 | unlock_user_struct(target_seminfo, target_addr, 1); | |
3873 | return 0; | |
3874 | } | |
3875 | ||
fa294816 TS |
3876 | union semun { |
3877 | int val; | |
3eb6b044 | 3878 | struct semid_ds *buf; |
fa294816 | 3879 | unsigned short *array; |
e5289087 | 3880 | struct seminfo *__buf; |
fa294816 TS |
3881 | }; |
3882 | ||
3eb6b044 TS |
3883 | union target_semun { |
3884 | int val; | |
e5289087 AJ |
3885 | abi_ulong buf; |
3886 | abi_ulong array; | |
3887 | abi_ulong __buf; | |
3eb6b044 TS |
3888 | }; |
3889 | ||
e5289087 AJ |
3890 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
3891 | abi_ulong target_addr) | |
3eb6b044 | 3892 | { |
e5289087 AJ |
3893 | int nsems; |
3894 | unsigned short *array; | |
3895 | union semun semun; | |
3896 | struct semid_ds semid_ds; | |
3897 | int i, ret; | |
3eb6b044 | 3898 | |
e5289087 AJ |
3899 | semun.buf = &semid_ds; |
3900 | ||
3901 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3902 | if (ret == -1) | |
3903 | return get_errno(ret); | |
3904 | ||
3905 | nsems = semid_ds.sem_nsems; | |
3906 | ||
0e173b24 | 3907 | *host_array = g_try_new(unsigned short, nsems); |
69d4c703 PM |
3908 | if (!*host_array) { |
3909 | return -TARGET_ENOMEM; | |
3910 | } | |
e5289087 AJ |
3911 | array = lock_user(VERIFY_READ, target_addr, |
3912 | nsems*sizeof(unsigned short), 1); | |
69d4c703 | 3913 | if (!array) { |
0e173b24 | 3914 | g_free(*host_array); |
e5289087 | 3915 | return -TARGET_EFAULT; |
69d4c703 | 3916 | } |
e5289087 AJ |
3917 | |
3918 | for(i=0; i<nsems; i++) { | |
3919 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3920 | } |
e5289087 AJ |
3921 | unlock_user(array, target_addr, 0); |
3922 | ||
579a97f7 | 3923 | return 0; |
3eb6b044 TS |
3924 | } |
3925 | ||
e5289087 AJ |
3926 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
3927 | unsigned short **host_array) | |
3eb6b044 | 3928 | { |
e5289087 AJ |
3929 | int nsems; |
3930 | unsigned short *array; | |
3931 | union semun semun; | |
3932 | struct semid_ds semid_ds; | |
3933 | int i, ret; | |
3eb6b044 | 3934 | |
e5289087 AJ |
3935 | semun.buf = &semid_ds; |
3936 | ||
3937 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3938 | if (ret == -1) | |
3939 | return get_errno(ret); | |
3940 | ||
3941 | nsems = semid_ds.sem_nsems; | |
3942 | ||
3943 | array = lock_user(VERIFY_WRITE, target_addr, | |
3944 | nsems*sizeof(unsigned short), 0); | |
3945 | if (!array) | |
3946 | return -TARGET_EFAULT; | |
3947 | ||
3948 | for(i=0; i<nsems; i++) { | |
3949 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3950 | } |
0e173b24 | 3951 | g_free(*host_array); |
e5289087 AJ |
3952 | unlock_user(array, target_addr, 1); |
3953 | ||
579a97f7 | 3954 | return 0; |
3eb6b044 TS |
3955 | } |
3956 | ||
e5289087 | 3957 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
d1c002b6 | 3958 | abi_ulong target_arg) |
3eb6b044 | 3959 | { |
d1c002b6 | 3960 | union target_semun target_su = { .buf = target_arg }; |
3eb6b044 TS |
3961 | union semun arg; |
3962 | struct semid_ds dsarg; | |
7b8118e8 | 3963 | unsigned short *array = NULL; |
e5289087 AJ |
3964 | struct seminfo seminfo; |
3965 | abi_long ret = -TARGET_EINVAL; | |
3966 | abi_long err; | |
3967 | cmd &= 0xff; | |
3eb6b044 TS |
3968 | |
3969 | switch( cmd ) { | |
3970 | case GETVAL: | |
3eb6b044 | 3971 | case SETVAL: |
5464baec TM |
3972 | /* In 64 bit cross-endian situations, we will erroneously pick up |
3973 | * the wrong half of the union for the "val" element. To rectify | |
3974 | * this, the entire 8-byte structure is byteswapped, followed by | |
3975 | * a swap of the 4 byte val field. In other cases, the data is | |
3976 | * already in proper host byte order. */ | |
3977 | if (sizeof(target_su.val) != (sizeof(target_su.buf))) { | |
3978 | target_su.buf = tswapal(target_su.buf); | |
3979 | arg.val = tswap32(target_su.val); | |
3980 | } else { | |
3981 | arg.val = target_su.val; | |
3982 | } | |
e5289087 | 3983 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
3eb6b044 TS |
3984 | break; |
3985 | case GETALL: | |
3eb6b044 | 3986 | case SETALL: |
e5289087 AJ |
3987 | err = target_to_host_semarray(semid, &array, target_su.array); |
3988 | if (err) | |
3989 | return err; | |
3990 | arg.array = array; | |
3991 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3992 | err = host_to_target_semarray(semid, target_su.array, &array); | |
3993 | if (err) | |
3994 | return err; | |
3eb6b044 TS |
3995 | break; |
3996 | case IPC_STAT: | |
3eb6b044 | 3997 | case IPC_SET: |
e5289087 AJ |
3998 | case SEM_STAT: |
3999 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
4000 | if (err) | |
4001 | return err; | |
4002 | arg.buf = &dsarg; | |
4003 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
4004 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
4005 | if (err) | |
4006 | return err; | |
4007 | break; | |
4008 | case IPC_INFO: | |
4009 | case SEM_INFO: | |
4010 | arg.__buf = &seminfo; | |
4011 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
4012 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
4013 | if (err) | |
4014 | return err; | |
4015 | break; | |
4016 | case IPC_RMID: | |
4017 | case GETPID: | |
4018 | case GETNCNT: | |
4019 | case GETZCNT: | |
4020 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 4021 | break; |
3eb6b044 TS |
4022 | } |
4023 | ||
4024 | return ret; | |
4025 | } | |
4026 | ||
e5289087 AJ |
4027 | struct target_sembuf { |
4028 | unsigned short sem_num; | |
4029 | short sem_op; | |
4030 | short sem_flg; | |
4031 | }; | |
4032 | ||
4033 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
4034 | abi_ulong target_addr, | |
4035 | unsigned nsops) | |
4036 | { | |
4037 | struct target_sembuf *target_sembuf; | |
4038 | int i; | |
4039 | ||
4040 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
4041 | nsops*sizeof(struct target_sembuf), 1); | |
4042 | if (!target_sembuf) | |
4043 | return -TARGET_EFAULT; | |
4044 | ||
4045 | for(i=0; i<nsops; i++) { | |
4046 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
4047 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
4048 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
4049 | } | |
4050 | ||
4051 | unlock_user(target_sembuf, target_addr, 0); | |
4052 | ||
4053 | return 0; | |
4054 | } | |
4055 | ||
d8c08b1e | 4056 | #if defined(TARGET_NR_ipc) || defined(TARGET_NR_semop) || \ |
cac46eb0 | 4057 | defined(TARGET_NR_semtimedop) || defined(TARGET_NR_semtimedop_time64) |
d8c08b1e MK |
4058 | |
4059 | /* | |
4060 | * This macro is required to handle the s390 variants, which passes the | |
4061 | * arguments in a different order than default. | |
4062 | */ | |
4063 | #ifdef __s390x__ | |
4064 | #define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \ | |
4065 | (__nsops), (__timeout), (__sops) | |
4066 | #else | |
4067 | #define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \ | |
4068 | (__nsops), 0, (__sops), (__timeout) | |
4069 | #endif | |
4070 | ||
4071 | static inline abi_long do_semtimedop(int semid, | |
4072 | abi_long ptr, | |
4073 | unsigned nsops, | |
cac46eb0 | 4074 | abi_long timeout, bool time64) |
e5289087 | 4075 | { |
0a7ec849 | 4076 | struct sembuf *sops; |
d8c08b1e | 4077 | struct timespec ts, *pts = NULL; |
524fa340 | 4078 | abi_long ret; |
e5289087 | 4079 | |
d8c08b1e MK |
4080 | if (timeout) { |
4081 | pts = &ts; | |
cac46eb0 FB |
4082 | if (time64) { |
4083 | if (target_to_host_timespec64(pts, timeout)) { | |
4084 | return -TARGET_EFAULT; | |
4085 | } | |
4086 | } else { | |
4087 | if (target_to_host_timespec(pts, timeout)) { | |
4088 | return -TARGET_EFAULT; | |
4089 | } | |
d8c08b1e MK |
4090 | } |
4091 | } | |
4092 | ||
0a7ec849 FB |
4093 | if (nsops > TARGET_SEMOPM) { |
4094 | return -TARGET_E2BIG; | |
4095 | } | |
4096 | ||
4097 | sops = g_new(struct sembuf, nsops); | |
4098 | ||
4099 | if (target_to_host_sembuf(sops, ptr, nsops)) { | |
4100 | g_free(sops); | |
e5289087 | 4101 | return -TARGET_EFAULT; |
0a7ec849 | 4102 | } |
e5289087 | 4103 | |
524fa340 LV |
4104 | ret = -TARGET_ENOSYS; |
4105 | #ifdef __NR_semtimedop | |
d8c08b1e | 4106 | ret = get_errno(safe_semtimedop(semid, sops, nsops, pts)); |
524fa340 LV |
4107 | #endif |
4108 | #ifdef __NR_ipc | |
4109 | if (ret == -TARGET_ENOSYS) { | |
d8c08b1e MK |
4110 | ret = get_errno(safe_ipc(IPCOP_semtimedop, semid, |
4111 | SEMTIMEDOP_IPC_ARGS(nsops, sops, (long)pts))); | |
524fa340 LV |
4112 | } |
4113 | #endif | |
0a7ec849 | 4114 | g_free(sops); |
524fa340 | 4115 | return ret; |
e5289087 | 4116 | } |
d8c08b1e | 4117 | #endif |
e5289087 | 4118 | |
1bc012f6 TS |
4119 | struct target_msqid_ds |
4120 | { | |
1c54ff97 AJ |
4121 | struct target_ipc_perm msg_perm; |
4122 | abi_ulong msg_stime; | |
4123 | #if TARGET_ABI_BITS == 32 | |
4124 | abi_ulong __unused1; | |
4125 | #endif | |
4126 | abi_ulong msg_rtime; | |
4127 | #if TARGET_ABI_BITS == 32 | |
4128 | abi_ulong __unused2; | |
4129 | #endif | |
4130 | abi_ulong msg_ctime; | |
4131 | #if TARGET_ABI_BITS == 32 | |
4132 | abi_ulong __unused3; | |
4133 | #endif | |
4134 | abi_ulong __msg_cbytes; | |
4135 | abi_ulong msg_qnum; | |
4136 | abi_ulong msg_qbytes; | |
4137 | abi_ulong msg_lspid; | |
4138 | abi_ulong msg_lrpid; | |
4139 | abi_ulong __unused4; | |
4140 | abi_ulong __unused5; | |
1bc012f6 TS |
4141 | }; |
4142 | ||
579a97f7 FB |
4143 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
4144 | abi_ulong target_addr) | |
1bc012f6 TS |
4145 | { |
4146 | struct target_msqid_ds *target_md; | |
4147 | ||
579a97f7 FB |
4148 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
4149 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
4150 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
4151 | return -TARGET_EFAULT; | |
cbb21eed MB |
4152 | host_md->msg_stime = tswapal(target_md->msg_stime); |
4153 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
4154 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
4155 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
4156 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
4157 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
4158 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
4159 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 4160 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 4161 | return 0; |
1bc012f6 TS |
4162 | } |
4163 | ||
579a97f7 FB |
4164 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
4165 | struct msqid_ds *host_md) | |
1bc012f6 TS |
4166 | { |
4167 | struct target_msqid_ds *target_md; | |
4168 | ||
579a97f7 FB |
4169 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
4170 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
4171 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
4172 | return -TARGET_EFAULT; | |
cbb21eed MB |
4173 | target_md->msg_stime = tswapal(host_md->msg_stime); |
4174 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
4175 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
4176 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
4177 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
4178 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
4179 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
4180 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 4181 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 4182 | return 0; |
1bc012f6 TS |
4183 | } |
4184 | ||
1c54ff97 AJ |
4185 | struct target_msginfo { |
4186 | int msgpool; | |
4187 | int msgmap; | |
4188 | int msgmax; | |
4189 | int msgmnb; | |
4190 | int msgmni; | |
4191 | int msgssz; | |
4192 | int msgtql; | |
4193 | unsigned short int msgseg; | |
4194 | }; | |
4195 | ||
4196 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
4197 | struct msginfo *host_msginfo) | |
4198 | { | |
4199 | struct target_msginfo *target_msginfo; | |
4200 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
4201 | return -TARGET_EFAULT; | |
4202 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
4203 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
4204 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
4205 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
4206 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
4207 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
4208 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
4209 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
4210 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 4211 | return 0; |
1c54ff97 AJ |
4212 | } |
4213 | ||
4214 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
4215 | { |
4216 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
4217 | struct msginfo msginfo; |
4218 | abi_long ret = -TARGET_EINVAL; | |
4219 | ||
4220 | cmd &= 0xff; | |
4221 | ||
4222 | switch (cmd) { | |
1bc012f6 TS |
4223 | case IPC_STAT: |
4224 | case IPC_SET: | |
1c54ff97 AJ |
4225 | case MSG_STAT: |
4226 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
4227 | return -TARGET_EFAULT; | |
4228 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
4229 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
4230 | return -TARGET_EFAULT; | |
4231 | break; | |
4232 | case IPC_RMID: | |
4233 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
4234 | break; | |
4235 | case IPC_INFO: | |
4236 | case MSG_INFO: | |
4237 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
4238 | if (host_to_target_msginfo(ptr, &msginfo)) | |
4239 | return -TARGET_EFAULT; | |
4240 | break; | |
1bc012f6 | 4241 | } |
1c54ff97 | 4242 | |
1bc012f6 TS |
4243 | return ret; |
4244 | } | |
4245 | ||
4246 | struct target_msgbuf { | |
1c54ff97 AJ |
4247 | abi_long mtype; |
4248 | char mtext[1]; | |
1bc012f6 TS |
4249 | }; |
4250 | ||
992f48a0 | 4251 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
edcc5f9d | 4252 | ssize_t msgsz, int msgflg) |
1bc012f6 TS |
4253 | { |
4254 | struct target_msgbuf *target_mb; | |
4255 | struct msgbuf *host_mb; | |
992f48a0 | 4256 | abi_long ret = 0; |
1bc012f6 | 4257 | |
edcc5f9d TM |
4258 | if (msgsz < 0) { |
4259 | return -TARGET_EINVAL; | |
4260 | } | |
4261 | ||
579a97f7 FB |
4262 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
4263 | return -TARGET_EFAULT; | |
0e173b24 | 4264 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
29e03fcb HZ |
4265 | if (!host_mb) { |
4266 | unlock_user_struct(target_mb, msgp, 0); | |
4267 | return -TARGET_ENOMEM; | |
4268 | } | |
cbb21eed | 4269 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 4270 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
524fa340 LV |
4271 | ret = -TARGET_ENOSYS; |
4272 | #ifdef __NR_msgsnd | |
89f9fe44 | 4273 | ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg)); |
524fa340 LV |
4274 | #endif |
4275 | #ifdef __NR_ipc | |
4276 | if (ret == -TARGET_ENOSYS) { | |
d8c08b1e MK |
4277 | #ifdef __s390x__ |
4278 | ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, | |
4279 | host_mb)); | |
4280 | #else | |
524fa340 LV |
4281 | ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, |
4282 | host_mb, 0)); | |
d8c08b1e | 4283 | #endif |
524fa340 LV |
4284 | } |
4285 | #endif | |
0e173b24 | 4286 | g_free(host_mb); |
1bc012f6 TS |
4287 | unlock_user_struct(target_mb, msgp, 0); |
4288 | ||
4289 | return ret; | |
4290 | } | |
4291 | ||
d8c08b1e MK |
4292 | #ifdef __NR_ipc |
4293 | #if defined(__sparc__) | |
4294 | /* SPARC for msgrcv it does not use the kludge on final 2 arguments. */ | |
4295 | #define MSGRCV_ARGS(__msgp, __msgtyp) __msgp, __msgtyp | |
4296 | #elif defined(__s390x__) | |
4297 | /* The s390 sys_ipc variant has only five parameters. */ | |
4298 | #define MSGRCV_ARGS(__msgp, __msgtyp) \ | |
4299 | ((long int[]){(long int)__msgp, __msgtyp}) | |
4300 | #else | |
4301 | #define MSGRCV_ARGS(__msgp, __msgtyp) \ | |
4302 | ((long int[]){(long int)__msgp, __msgtyp}), 0 | |
4303 | #endif | |
4304 | #endif | |
4305 | ||
992f48a0 | 4306 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
99874f65 | 4307 | ssize_t msgsz, abi_long msgtyp, |
992f48a0 | 4308 | int msgflg) |
1bc012f6 TS |
4309 | { |
4310 | struct target_msgbuf *target_mb; | |
579a97f7 | 4311 | char *target_mtext; |
1bc012f6 | 4312 | struct msgbuf *host_mb; |
992f48a0 | 4313 | abi_long ret = 0; |
1bc012f6 | 4314 | |
99874f65 PM |
4315 | if (msgsz < 0) { |
4316 | return -TARGET_EINVAL; | |
4317 | } | |
4318 | ||
579a97f7 FB |
4319 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
4320 | return -TARGET_EFAULT; | |
1c54ff97 | 4321 | |
415d8471 PM |
4322 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
4323 | if (!host_mb) { | |
4324 | ret = -TARGET_ENOMEM; | |
4325 | goto end; | |
4326 | } | |
524fa340 LV |
4327 | ret = -TARGET_ENOSYS; |
4328 | #ifdef __NR_msgrcv | |
89f9fe44 | 4329 | ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
524fa340 LV |
4330 | #endif |
4331 | #ifdef __NR_ipc | |
4332 | if (ret == -TARGET_ENOSYS) { | |
4333 | ret = get_errno(safe_ipc(IPCOP_CALL(1, IPCOP_msgrcv), msqid, msgsz, | |
d8c08b1e | 4334 | msgflg, MSGRCV_ARGS(host_mb, msgtyp))); |
524fa340 LV |
4335 | } |
4336 | #endif | |
1c54ff97 | 4337 | |
579a97f7 FB |
4338 | if (ret > 0) { |
4339 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
4340 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
4341 | if (!target_mtext) { | |
4342 | ret = -TARGET_EFAULT; | |
4343 | goto end; | |
4344 | } | |
1c54ff97 | 4345 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
4346 | unlock_user(target_mtext, target_mtext_addr, ret); |
4347 | } | |
1c54ff97 | 4348 | |
cbb21eed | 4349 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 4350 | |
579a97f7 FB |
4351 | end: |
4352 | if (target_mb) | |
4353 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 4354 | g_free(host_mb); |
1bc012f6 TS |
4355 | return ret; |
4356 | } | |
4357 | ||
88a8c984 RV |
4358 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
4359 | abi_ulong target_addr) | |
4360 | { | |
4361 | struct target_shmid_ds *target_sd; | |
4362 | ||
4363 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
4364 | return -TARGET_EFAULT; | |
4365 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
4366 | return -TARGET_EFAULT; | |
4367 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
4368 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
4369 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
4370 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
4371 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
4372 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
4373 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
4374 | unlock_user_struct(target_sd, target_addr, 0); | |
4375 | return 0; | |
4376 | } | |
4377 | ||
4378 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
4379 | struct shmid_ds *host_sd) | |
4380 | { | |
4381 | struct target_shmid_ds *target_sd; | |
4382 | ||
4383 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
4384 | return -TARGET_EFAULT; | |
4385 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
4386 | return -TARGET_EFAULT; | |
4387 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
4388 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
4389 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
4390 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
4391 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
4392 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
4393 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
4394 | unlock_user_struct(target_sd, target_addr, 1); | |
4395 | return 0; | |
4396 | } | |
4397 | ||
4398 | struct target_shminfo { | |
4399 | abi_ulong shmmax; | |
4400 | abi_ulong shmmin; | |
4401 | abi_ulong shmmni; | |
4402 | abi_ulong shmseg; | |
4403 | abi_ulong shmall; | |
4404 | }; | |
4405 | ||
4406 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
4407 | struct shminfo *host_shminfo) | |
4408 | { | |
4409 | struct target_shminfo *target_shminfo; | |
4410 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
4411 | return -TARGET_EFAULT; | |
4412 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
4413 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
4414 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
4415 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
4416 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
4417 | unlock_user_struct(target_shminfo, target_addr, 1); | |
4418 | return 0; | |
4419 | } | |
4420 | ||
4421 | struct target_shm_info { | |
4422 | int used_ids; | |
4423 | abi_ulong shm_tot; | |
4424 | abi_ulong shm_rss; | |
4425 | abi_ulong shm_swp; | |
4426 | abi_ulong swap_attempts; | |
4427 | abi_ulong swap_successes; | |
4428 | }; | |
4429 | ||
4430 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
4431 | struct shm_info *host_shm_info) | |
4432 | { | |
4433 | struct target_shm_info *target_shm_info; | |
4434 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
4435 | return -TARGET_EFAULT; | |
4436 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
4437 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
4438 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
4439 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
4440 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
4441 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
4442 | unlock_user_struct(target_shm_info, target_addr, 1); | |
4443 | return 0; | |
4444 | } | |
4445 | ||
4446 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
4447 | { | |
4448 | struct shmid_ds dsarg; | |
4449 | struct shminfo shminfo; | |
4450 | struct shm_info shm_info; | |
4451 | abi_long ret = -TARGET_EINVAL; | |
4452 | ||
4453 | cmd &= 0xff; | |
4454 | ||
4455 | switch(cmd) { | |
4456 | case IPC_STAT: | |
4457 | case IPC_SET: | |
4458 | case SHM_STAT: | |
4459 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
4460 | return -TARGET_EFAULT; | |
4461 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
4462 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
4463 | return -TARGET_EFAULT; | |
4464 | break; | |
4465 | case IPC_INFO: | |
4466 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
4467 | if (host_to_target_shminfo(buf, &shminfo)) | |
4468 | return -TARGET_EFAULT; | |
4469 | break; | |
4470 | case SHM_INFO: | |
4471 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
4472 | if (host_to_target_shm_info(buf, &shm_info)) | |
4473 | return -TARGET_EFAULT; | |
4474 | break; | |
4475 | case IPC_RMID: | |
4476 | case SHM_LOCK: | |
4477 | case SHM_UNLOCK: | |
4478 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
4479 | break; | |
4480 | } | |
4481 | ||
4482 | return ret; | |
4483 | } | |
4484 | ||
ee8e7614 PM |
4485 | #ifndef TARGET_FORCE_SHMLBA |
4486 | /* For most architectures, SHMLBA is the same as the page size; | |
4487 | * some architectures have larger values, in which case they should | |
4488 | * define TARGET_FORCE_SHMLBA and provide a target_shmlba() function. | |
4489 | * This corresponds to the kernel arch code defining __ARCH_FORCE_SHMLBA | |
4490 | * and defining its own value for SHMLBA. | |
4491 | * | |
4492 | * The kernel also permits SHMLBA to be set by the architecture to a | |
4493 | * value larger than the page size without setting __ARCH_FORCE_SHMLBA; | |
4494 | * this means that addresses are rounded to the large size if | |
4495 | * SHM_RND is set but addresses not aligned to that size are not rejected | |
4496 | * as long as they are at least page-aligned. Since the only architecture | |
4497 | * which uses this is ia64 this code doesn't provide for that oddity. | |
4498 | */ | |
4499 | static inline abi_ulong target_shmlba(CPUArchState *cpu_env) | |
4500 | { | |
4501 | return TARGET_PAGE_SIZE; | |
4502 | } | |
4503 | #endif | |
4504 | ||
9b61f77f RH |
4505 | static abi_ulong do_shmat(CPUArchState *cpu_env, int shmid, |
4506 | abi_ulong shmaddr, int shmflg) | |
88a8c984 | 4507 | { |
228168cb | 4508 | CPUState *cpu = env_cpu(cpu_env); |
9b61f77f | 4509 | abi_ulong raddr; |
88a8c984 RV |
4510 | void *host_raddr; |
4511 | struct shmid_ds shm_info; | |
9b61f77f | 4512 | int i, ret; |
ee8e7614 | 4513 | abi_ulong shmlba; |
88a8c984 | 4514 | |
ee1bf83d RH |
4515 | /* shmat pointers are always untagged */ |
4516 | ||
88a8c984 RV |
4517 | /* find out the length of the shared memory segment */ |
4518 | ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); | |
4519 | if (is_error(ret)) { | |
4520 | /* can't get length, bail out */ | |
4521 | return ret; | |
4522 | } | |
4523 | ||
ee8e7614 PM |
4524 | shmlba = target_shmlba(cpu_env); |
4525 | ||
4526 | if (shmaddr & (shmlba - 1)) { | |
4527 | if (shmflg & SHM_RND) { | |
4528 | shmaddr &= ~(shmlba - 1); | |
4529 | } else { | |
4530 | return -TARGET_EINVAL; | |
4531 | } | |
4532 | } | |
46b12f46 | 4533 | if (!guest_range_valid_untagged(shmaddr, shm_info.shm_segsz)) { |
ebf9a363 MF |
4534 | return -TARGET_EINVAL; |
4535 | } | |
ee8e7614 | 4536 | |
88a8c984 RV |
4537 | mmap_lock(); |
4538 | ||
228168cb RH |
4539 | /* |
4540 | * We're mapping shared memory, so ensure we generate code for parallel | |
4541 | * execution and flush old translations. This will work up to the level | |
4542 | * supported by the host -- anything that requires EXCP_ATOMIC will not | |
4543 | * be atomic with respect to an external process. | |
4544 | */ | |
4545 | if (!(cpu->tcg_cflags & CF_PARALLEL)) { | |
4546 | cpu->tcg_cflags |= CF_PARALLEL; | |
4547 | tb_flush(cpu); | |
4548 | } | |
4549 | ||
88a8c984 | 4550 | if (shmaddr) |
3e8f1628 | 4551 | host_raddr = shmat(shmid, (void *)g2h_untagged(shmaddr), shmflg); |
88a8c984 RV |
4552 | else { |
4553 | abi_ulong mmap_start; | |
4554 | ||
30ab9ef2 RH |
4555 | /* In order to use the host shmat, we need to honor host SHMLBA. */ |
4556 | mmap_start = mmap_find_vma(0, shm_info.shm_segsz, MAX(SHMLBA, shmlba)); | |
88a8c984 RV |
4557 | |
4558 | if (mmap_start == -1) { | |
4559 | errno = ENOMEM; | |
4560 | host_raddr = (void *)-1; | |
4561 | } else | |
3e8f1628 RH |
4562 | host_raddr = shmat(shmid, g2h_untagged(mmap_start), |
4563 | shmflg | SHM_REMAP); | |
88a8c984 RV |
4564 | } |
4565 | ||
4566 | if (host_raddr == (void *)-1) { | |
4567 | mmap_unlock(); | |
9b61f77f | 4568 | return get_errno((intptr_t)host_raddr); |
88a8c984 | 4569 | } |
9b61f77f | 4570 | raddr = h2g((uintptr_t)host_raddr); |
88a8c984 | 4571 | |
49840a4a | 4572 | page_set_flags(raddr, raddr + shm_info.shm_segsz - 1, |
d9c58585 RH |
4573 | PAGE_VALID | PAGE_RESET | PAGE_READ | |
4574 | (shmflg & SHM_RDONLY ? 0 : PAGE_WRITE)); | |
88a8c984 RV |
4575 | |
4576 | for (i = 0; i < N_SHM_REGIONS; i++) { | |
b6e17875 PM |
4577 | if (!shm_regions[i].in_use) { |
4578 | shm_regions[i].in_use = true; | |
88a8c984 RV |
4579 | shm_regions[i].start = raddr; |
4580 | shm_regions[i].size = shm_info.shm_segsz; | |
4581 | break; | |
4582 | } | |
4583 | } | |
4584 | ||
4585 | mmap_unlock(); | |
4586 | return raddr; | |
88a8c984 RV |
4587 | } |
4588 | ||
4589 | static inline abi_long do_shmdt(abi_ulong shmaddr) | |
4590 | { | |
4591 | int i; | |
3c5f6a5f MF |
4592 | abi_long rv; |
4593 | ||
ee1bf83d RH |
4594 | /* shmdt pointers are always untagged */ |
4595 | ||
3c5f6a5f | 4596 | mmap_lock(); |
88a8c984 RV |
4597 | |
4598 | for (i = 0; i < N_SHM_REGIONS; ++i) { | |
b6e17875 PM |
4599 | if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) { |
4600 | shm_regions[i].in_use = false; | |
49840a4a | 4601 | page_set_flags(shmaddr, shmaddr + shm_regions[i].size - 1, 0); |
88a8c984 RV |
4602 | break; |
4603 | } | |
4604 | } | |
3e8f1628 | 4605 | rv = get_errno(shmdt(g2h_untagged(shmaddr))); |
88a8c984 | 4606 | |
3c5f6a5f | 4607 | mmap_unlock(); |
88a8c984 | 4608 | |
3c5f6a5f | 4609 | return rv; |
88a8c984 RV |
4610 | } |
4611 | ||
1c54ff97 | 4612 | #ifdef TARGET_NR_ipc |
53a5960a | 4613 | /* ??? This only works with linear mappings. */ |
0da46a6e | 4614 | /* do_ipc() must return target values and target errnos. */ |
ee8e7614 PM |
4615 | static abi_long do_ipc(CPUArchState *cpu_env, |
4616 | unsigned int call, abi_long first, | |
37ed0956 | 4617 | abi_long second, abi_long third, |
992f48a0 | 4618 | abi_long ptr, abi_long fifth) |
8853f86e FB |
4619 | { |
4620 | int version; | |
992f48a0 | 4621 | abi_long ret = 0; |
8853f86e FB |
4622 | |
4623 | version = call >> 16; | |
4624 | call &= 0xffff; | |
4625 | ||
4626 | switch (call) { | |
fa294816 | 4627 | case IPCOP_semop: |
cac46eb0 | 4628 | ret = do_semtimedop(first, ptr, second, 0, false); |
d8c08b1e MK |
4629 | break; |
4630 | case IPCOP_semtimedop: | |
4631 | /* | |
4632 | * The s390 sys_ipc variant has only five parameters instead of six | |
4633 | * (as for default variant) and the only difference is the handling of | |
4634 | * SEMTIMEDOP where on s390 the third parameter is used as a pointer | |
4635 | * to a struct timespec where the generic variant uses fifth parameter. | |
4636 | */ | |
4637 | #if defined(TARGET_S390X) | |
cac46eb0 | 4638 | ret = do_semtimedop(first, ptr, second, third, TARGET_ABI_BITS == 64); |
d8c08b1e | 4639 | #else |
cac46eb0 | 4640 | ret = do_semtimedop(first, ptr, second, fifth, TARGET_ABI_BITS == 64); |
d8c08b1e | 4641 | #endif |
fa294816 TS |
4642 | break; |
4643 | ||
4644 | case IPCOP_semget: | |
4645 | ret = get_errno(semget(first, second, third)); | |
4646 | break; | |
4647 | ||
5d2fa8eb TM |
4648 | case IPCOP_semctl: { |
4649 | /* The semun argument to semctl is passed by value, so dereference the | |
4650 | * ptr argument. */ | |
4651 | abi_ulong atptr; | |
37ed0956 | 4652 | get_user_ual(atptr, ptr); |
d1c002b6 | 4653 | ret = do_semctl(first, second, third, atptr); |
fa294816 | 4654 | break; |
5d2fa8eb | 4655 | } |
d96372ef | 4656 | |
1c54ff97 AJ |
4657 | case IPCOP_msgget: |
4658 | ret = get_errno(msgget(first, second)); | |
4659 | break; | |
d96372ef | 4660 | |
1c54ff97 AJ |
4661 | case IPCOP_msgsnd: |
4662 | ret = do_msgsnd(first, ptr, second, third); | |
4663 | break; | |
d96372ef | 4664 | |
1c54ff97 AJ |
4665 | case IPCOP_msgctl: |
4666 | ret = do_msgctl(first, second, ptr); | |
4667 | break; | |
d96372ef | 4668 | |
1c54ff97 AJ |
4669 | case IPCOP_msgrcv: |
4670 | switch (version) { | |
4671 | case 0: | |
4672 | { | |
4673 | struct target_ipc_kludge { | |
4674 | abi_long msgp; | |
4675 | abi_long msgtyp; | |
4676 | } *tmp; | |
4677 | ||
4678 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
4679 | ret = -TARGET_EFAULT; | |
4680 | break; | |
4681 | } | |
d96372ef | 4682 | |
79dd77de | 4683 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 4684 | |
1c54ff97 AJ |
4685 | unlock_user_struct(tmp, ptr, 0); |
4686 | break; | |
4687 | } | |
4688 | default: | |
4689 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
4690 | } | |
4691 | break; | |
d96372ef | 4692 | |
8853f86e | 4693 | case IPCOP_shmat: |
88a8c984 RV |
4694 | switch (version) { |
4695 | default: | |
5a4a898d FB |
4696 | { |
4697 | abi_ulong raddr; | |
ee8e7614 | 4698 | raddr = do_shmat(cpu_env, first, ptr, second); |
88a8c984 RV |
4699 | if (is_error(raddr)) |
4700 | return get_errno(raddr); | |
2f619698 | 4701 | if (put_user_ual(raddr, third)) |
5a4a898d | 4702 | return -TARGET_EFAULT; |
88a8c984 RV |
4703 | break; |
4704 | } | |
4705 | case 1: | |
4706 | ret = -TARGET_EINVAL; | |
4707 | break; | |
5a4a898d | 4708 | } |
8853f86e FB |
4709 | break; |
4710 | case IPCOP_shmdt: | |
88a8c984 | 4711 | ret = do_shmdt(ptr); |
8853f86e FB |
4712 | break; |
4713 | ||
4714 | case IPCOP_shmget: | |
4715 | /* IPC_* flag values are the same on all linux platforms */ | |
4716 | ret = get_errno(shmget(first, second, third)); | |
4717 | break; | |
4718 | ||
4719 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
4720 | case IPCOP_shmctl: | |
a2926784 | 4721 | ret = do_shmctl(first, second, ptr); |
8853f86e FB |
4722 | break; |
4723 | default: | |
39be5350 JK |
4724 | qemu_log_mask(LOG_UNIMP, "Unsupported ipc call: %d (version %d)\n", |
4725 | call, version); | |
0da46a6e | 4726 | ret = -TARGET_ENOSYS; |
8853f86e FB |
4727 | break; |
4728 | } | |
4729 | return ret; | |
4730 | } | |
32407103 | 4731 | #endif |
8853f86e | 4732 | |
31e31b8a | 4733 | /* kernel structure types definitions */ |
31e31b8a | 4734 | |
001faf32 | 4735 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
4736 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
4737 | enum { | |
4738 | #include "syscall_types.h" | |
8be656b8 | 4739 | STRUCT_MAX |
31e31b8a FB |
4740 | }; |
4741 | #undef STRUCT | |
4742 | #undef STRUCT_SPECIAL | |
4743 | ||
001faf32 | 4744 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
4745 | #define STRUCT_SPECIAL(name) |
4746 | #include "syscall_types.h" | |
4747 | #undef STRUCT | |
4748 | #undef STRUCT_SPECIAL | |
4749 | ||
31e31b8a FB |
4750 | #define MAX_STRUCT_SIZE 4096 |
4751 | ||
dace20dc | 4752 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
4753 | /* So fiemap access checks don't overflow on 32 bit systems. |
4754 | * This is very slightly smaller than the limit imposed by | |
4755 | * the underlying kernel. | |
4756 | */ | |
4757 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
4758 | / sizeof(struct fiemap_extent)) | |
4759 | ||
4760 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 4761 | int fd, int cmd, abi_long arg) |
285da2b9 PM |
4762 | { |
4763 | /* The parameter for this ioctl is a struct fiemap followed | |
4764 | * by an array of struct fiemap_extent whose size is set | |
4765 | * in fiemap->fm_extent_count. The array is filled in by the | |
4766 | * ioctl. | |
4767 | */ | |
4768 | int target_size_in, target_size_out; | |
4769 | struct fiemap *fm; | |
4770 | const argtype *arg_type = ie->arg_type; | |
4771 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
4772 | void *argptr, *p; | |
4773 | abi_long ret; | |
4774 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
4775 | uint32_t outbufsz; | |
4776 | int free_fm = 0; | |
4777 | ||
4778 | assert(arg_type[0] == TYPE_PTR); | |
4779 | assert(ie->access == IOC_RW); | |
4780 | arg_type++; | |
4781 | target_size_in = thunk_type_size(arg_type, 0); | |
4782 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
4783 | if (!argptr) { | |
4784 | return -TARGET_EFAULT; | |
4785 | } | |
4786 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4787 | unlock_user(argptr, arg, 0); | |
4788 | fm = (struct fiemap *)buf_temp; | |
4789 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
4790 | return -TARGET_EINVAL; | |
4791 | } | |
4792 | ||
4793 | outbufsz = sizeof (*fm) + | |
4794 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
4795 | ||
4796 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4797 | /* We can't fit all the extents into the fixed size buffer. | |
4798 | * Allocate one that is large enough and use it instead. | |
4799 | */ | |
0e173b24 | 4800 | fm = g_try_malloc(outbufsz); |
285da2b9 PM |
4801 | if (!fm) { |
4802 | return -TARGET_ENOMEM; | |
4803 | } | |
4804 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
4805 | free_fm = 1; | |
4806 | } | |
49ca6f3e | 4807 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm)); |
285da2b9 PM |
4808 | if (!is_error(ret)) { |
4809 | target_size_out = target_size_in; | |
4810 | /* An extent_count of 0 means we were only counting the extents | |
4811 | * so there are no structs to copy | |
4812 | */ | |
4813 | if (fm->fm_extent_count != 0) { | |
4814 | target_size_out += fm->fm_mapped_extents * extent_size; | |
4815 | } | |
4816 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
4817 | if (!argptr) { | |
4818 | ret = -TARGET_EFAULT; | |
4819 | } else { | |
4820 | /* Convert the struct fiemap */ | |
4821 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
4822 | if (fm->fm_extent_count != 0) { | |
4823 | p = argptr + target_size_in; | |
4824 | /* ...and then all the struct fiemap_extents */ | |
4825 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
4826 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
4827 | THUNK_TARGET); | |
4828 | p += extent_size; | |
4829 | } | |
4830 | } | |
4831 | unlock_user(argptr, arg, target_size_out); | |
4832 | } | |
4833 | } | |
4834 | if (free_fm) { | |
0e173b24 | 4835 | g_free(fm); |
285da2b9 PM |
4836 | } |
4837 | return ret; | |
4838 | } | |
dace20dc | 4839 | #endif |
285da2b9 | 4840 | |
059c2f2c | 4841 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4842 | int fd, int cmd, abi_long arg) |
059c2f2c LV |
4843 | { |
4844 | const argtype *arg_type = ie->arg_type; | |
4845 | int target_size; | |
4846 | void *argptr; | |
4847 | int ret; | |
4848 | struct ifconf *host_ifconf; | |
4849 | uint32_t outbufsz; | |
4850 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
4df7b7fa | 4851 | const argtype ifreq_max_type[] = { MK_STRUCT(STRUCT_ifmap_ifreq) }; |
059c2f2c LV |
4852 | int target_ifreq_size; |
4853 | int nb_ifreq; | |
4854 | int free_buf = 0; | |
4855 | int i; | |
4856 | int target_ifc_len; | |
4857 | abi_long target_ifc_buf; | |
4858 | int host_ifc_len; | |
4859 | char *host_ifc_buf; | |
4860 | ||
4861 | assert(arg_type[0] == TYPE_PTR); | |
4862 | assert(ie->access == IOC_RW); | |
4863 | ||
4864 | arg_type++; | |
4865 | target_size = thunk_type_size(arg_type, 0); | |
4866 | ||
4867 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4868 | if (!argptr) | |
4869 | return -TARGET_EFAULT; | |
4870 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4871 | unlock_user(argptr, arg, 0); | |
4872 | ||
4873 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
059c2f2c | 4874 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; |
4df7b7fa | 4875 | target_ifreq_size = thunk_type_size(ifreq_max_type, 0); |
059c2f2c | 4876 | |
22e4a267 KL |
4877 | if (target_ifc_buf != 0) { |
4878 | target_ifc_len = host_ifconf->ifc_len; | |
4879 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
4880 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
4881 | ||
4882 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
4883 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4884 | /* | |
4885 | * We can't fit all the extents into the fixed size buffer. | |
4886 | * Allocate one that is large enough and use it instead. | |
4887 | */ | |
7a5626a1 | 4888 | host_ifconf = g_try_malloc(outbufsz); |
22e4a267 KL |
4889 | if (!host_ifconf) { |
4890 | return -TARGET_ENOMEM; | |
4891 | } | |
4892 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
4893 | free_buf = 1; | |
059c2f2c | 4894 | } |
22e4a267 | 4895 | host_ifc_buf = (char *)host_ifconf + sizeof(*host_ifconf); |
059c2f2c | 4896 | |
22e4a267 KL |
4897 | host_ifconf->ifc_len = host_ifc_len; |
4898 | } else { | |
4899 | host_ifc_buf = NULL; | |
4900 | } | |
059c2f2c LV |
4901 | host_ifconf->ifc_buf = host_ifc_buf; |
4902 | ||
49ca6f3e | 4903 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf)); |
059c2f2c LV |
4904 | if (!is_error(ret)) { |
4905 | /* convert host ifc_len to target ifc_len */ | |
4906 | ||
4907 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
4908 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
4909 | host_ifconf->ifc_len = target_ifc_len; | |
4910 | ||
4911 | /* restore target ifc_buf */ | |
4912 | ||
4913 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
4914 | ||
4915 | /* copy struct ifconf to target user */ | |
4916 | ||
4917 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4918 | if (!argptr) | |
4919 | return -TARGET_EFAULT; | |
4920 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
4921 | unlock_user(argptr, arg, target_size); | |
4922 | ||
22e4a267 KL |
4923 | if (target_ifc_buf != 0) { |
4924 | /* copy ifreq[] to target user */ | |
4925 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
4926 | for (i = 0; i < nb_ifreq ; i++) { | |
4927 | thunk_convert(argptr + i * target_ifreq_size, | |
4928 | host_ifc_buf + i * sizeof(struct ifreq), | |
4929 | ifreq_arg_type, THUNK_TARGET); | |
4930 | } | |
4931 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
059c2f2c | 4932 | } |
059c2f2c LV |
4933 | } |
4934 | ||
4935 | if (free_buf) { | |
7a5626a1 | 4936 | g_free(host_ifconf); |
059c2f2c LV |
4937 | } |
4938 | ||
4939 | return ret; | |
4940 | } | |
4941 | ||
a133367e CT |
4942 | #if defined(CONFIG_USBFS) |
4943 | #if HOST_LONG_BITS > 64 | |
4944 | #error USBDEVFS thunks do not support >64 bit hosts yet. | |
4945 | #endif | |
4946 | struct live_urb { | |
4947 | uint64_t target_urb_adr; | |
4948 | uint64_t target_buf_adr; | |
4949 | char *target_buf_ptr; | |
4950 | struct usbdevfs_urb host_urb; | |
4951 | }; | |
4952 | ||
4953 | static GHashTable *usbdevfs_urb_hashtable(void) | |
4954 | { | |
4955 | static GHashTable *urb_hashtable; | |
4956 | ||
4957 | if (!urb_hashtable) { | |
4958 | urb_hashtable = g_hash_table_new(g_int64_hash, g_int64_equal); | |
4959 | } | |
4960 | return urb_hashtable; | |
4961 | } | |
4962 | ||
4963 | static void urb_hashtable_insert(struct live_urb *urb) | |
4964 | { | |
4965 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4966 | g_hash_table_insert(urb_hashtable, urb, urb); | |
4967 | } | |
4968 | ||
4969 | static struct live_urb *urb_hashtable_lookup(uint64_t target_urb_adr) | |
4970 | { | |
4971 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4972 | return g_hash_table_lookup(urb_hashtable, &target_urb_adr); | |
4973 | } | |
4974 | ||
4975 | static void urb_hashtable_remove(struct live_urb *urb) | |
4976 | { | |
4977 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4978 | g_hash_table_remove(urb_hashtable, urb); | |
4979 | } | |
4980 | ||
4981 | static abi_long | |
4982 | do_ioctl_usbdevfs_reapurb(const IOCTLEntry *ie, uint8_t *buf_temp, | |
4983 | int fd, int cmd, abi_long arg) | |
4984 | { | |
4985 | const argtype usbfsurb_arg_type[] = { MK_STRUCT(STRUCT_usbdevfs_urb) }; | |
4986 | const argtype ptrvoid_arg_type[] = { TYPE_PTRVOID, 0, 0 }; | |
4987 | struct live_urb *lurb; | |
4988 | void *argptr; | |
4989 | uint64_t hurb; | |
4990 | int target_size; | |
4991 | uintptr_t target_urb_adr; | |
4992 | abi_long ret; | |
4993 | ||
4994 | target_size = thunk_type_size(usbfsurb_arg_type, THUNK_TARGET); | |
4995 | ||
4996 | memset(buf_temp, 0, sizeof(uint64_t)); | |
4997 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); | |
4998 | if (is_error(ret)) { | |
4999 | return ret; | |
5000 | } | |
5001 | ||
5002 | memcpy(&hurb, buf_temp, sizeof(uint64_t)); | |
5003 | lurb = (void *)((uintptr_t)hurb - offsetof(struct live_urb, host_urb)); | |
5004 | if (!lurb->target_urb_adr) { | |
5005 | return -TARGET_EFAULT; | |
5006 | } | |
5007 | urb_hashtable_remove(lurb); | |
5008 | unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, | |
5009 | lurb->host_urb.buffer_length); | |
5010 | lurb->target_buf_ptr = NULL; | |
5011 | ||
5012 | /* restore the guest buffer pointer */ | |
5013 | lurb->host_urb.buffer = (void *)(uintptr_t)lurb->target_buf_adr; | |
5014 | ||
5015 | /* update the guest urb struct */ | |
5016 | argptr = lock_user(VERIFY_WRITE, lurb->target_urb_adr, target_size, 0); | |
5017 | if (!argptr) { | |
5018 | g_free(lurb); | |
5019 | return -TARGET_EFAULT; | |
5020 | } | |
5021 | thunk_convert(argptr, &lurb->host_urb, usbfsurb_arg_type, THUNK_TARGET); | |
5022 | unlock_user(argptr, lurb->target_urb_adr, target_size); | |
5023 | ||
5024 | target_size = thunk_type_size(ptrvoid_arg_type, THUNK_TARGET); | |
5025 | /* write back the urb handle */ | |
5026 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
5027 | if (!argptr) { | |
5028 | g_free(lurb); | |
5029 | return -TARGET_EFAULT; | |
5030 | } | |
5031 | ||
5032 | /* GHashTable uses 64-bit keys but thunk_convert expects uintptr_t */ | |
5033 | target_urb_adr = lurb->target_urb_adr; | |
5034 | thunk_convert(argptr, &target_urb_adr, ptrvoid_arg_type, THUNK_TARGET); | |
5035 | unlock_user(argptr, arg, target_size); | |
5036 | ||
5037 | g_free(lurb); | |
5038 | return ret; | |
5039 | } | |
5040 | ||
5041 | static abi_long | |
5042 | do_ioctl_usbdevfs_discardurb(const IOCTLEntry *ie, | |
5043 | uint8_t *buf_temp __attribute__((unused)), | |
5044 | int fd, int cmd, abi_long arg) | |
5045 | { | |
5046 | struct live_urb *lurb; | |
5047 | ||
5048 | /* map target address back to host URB with metadata. */ | |
5049 | lurb = urb_hashtable_lookup(arg); | |
5050 | if (!lurb) { | |
5051 | return -TARGET_EFAULT; | |
5052 | } | |
5053 | return get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb)); | |
5054 | } | |
5055 | ||
5056 | static abi_long | |
5057 | do_ioctl_usbdevfs_submiturb(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5058 | int fd, int cmd, abi_long arg) | |
5059 | { | |
5060 | const argtype *arg_type = ie->arg_type; | |
5061 | int target_size; | |
5062 | abi_long ret; | |
5063 | void *argptr; | |
5064 | int rw_dir; | |
5065 | struct live_urb *lurb; | |
5066 | ||
5067 | /* | |
5068 | * each submitted URB needs to map to a unique ID for the | |
5069 | * kernel, and that unique ID needs to be a pointer to | |
5070 | * host memory. hence, we need to malloc for each URB. | |
5071 | * isochronous transfers have a variable length struct. | |
5072 | */ | |
5073 | arg_type++; | |
5074 | target_size = thunk_type_size(arg_type, THUNK_TARGET); | |
5075 | ||
5076 | /* construct host copy of urb and metadata */ | |
b21e2380 | 5077 | lurb = g_try_new0(struct live_urb, 1); |
a133367e CT |
5078 | if (!lurb) { |
5079 | return -TARGET_ENOMEM; | |
5080 | } | |
5081 | ||
5082 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5083 | if (!argptr) { | |
5084 | g_free(lurb); | |
5085 | return -TARGET_EFAULT; | |
5086 | } | |
5087 | thunk_convert(&lurb->host_urb, argptr, arg_type, THUNK_HOST); | |
5088 | unlock_user(argptr, arg, 0); | |
5089 | ||
5090 | lurb->target_urb_adr = arg; | |
5091 | lurb->target_buf_adr = (uintptr_t)lurb->host_urb.buffer; | |
5092 | ||
5093 | /* buffer space used depends on endpoint type so lock the entire buffer */ | |
5094 | /* control type urbs should check the buffer contents for true direction */ | |
5095 | rw_dir = lurb->host_urb.endpoint & USB_DIR_IN ? VERIFY_WRITE : VERIFY_READ; | |
5096 | lurb->target_buf_ptr = lock_user(rw_dir, lurb->target_buf_adr, | |
5097 | lurb->host_urb.buffer_length, 1); | |
5098 | if (lurb->target_buf_ptr == NULL) { | |
5099 | g_free(lurb); | |
5100 | return -TARGET_EFAULT; | |
5101 | } | |
5102 | ||
5103 | /* update buffer pointer in host copy */ | |
5104 | lurb->host_urb.buffer = lurb->target_buf_ptr; | |
5105 | ||
5106 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb)); | |
5107 | if (is_error(ret)) { | |
5108 | unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, 0); | |
5109 | g_free(lurb); | |
5110 | } else { | |
5111 | urb_hashtable_insert(lurb); | |
5112 | } | |
5113 | ||
5114 | return ret; | |
5115 | } | |
5116 | #endif /* CONFIG_USBFS */ | |
5117 | ||
56e904ec | 5118 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 5119 | int cmd, abi_long arg) |
56e904ec AG |
5120 | { |
5121 | void *argptr; | |
5122 | struct dm_ioctl *host_dm; | |
5123 | abi_long guest_data; | |
5124 | uint32_t guest_data_size; | |
5125 | int target_size; | |
5126 | const argtype *arg_type = ie->arg_type; | |
5127 | abi_long ret; | |
5128 | void *big_buf = NULL; | |
5129 | char *host_data; | |
5130 | ||
5131 | arg_type++; | |
5132 | target_size = thunk_type_size(arg_type, 0); | |
5133 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5134 | if (!argptr) { | |
5135 | ret = -TARGET_EFAULT; | |
5136 | goto out; | |
5137 | } | |
5138 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5139 | unlock_user(argptr, arg, 0); | |
5140 | ||
5141 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
5142 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
5143 | memcpy(big_buf, buf_temp, target_size); | |
5144 | buf_temp = big_buf; | |
5145 | host_dm = big_buf; | |
5146 | ||
5147 | guest_data = arg + host_dm->data_start; | |
5148 | if ((guest_data - arg) < 0) { | |
f9757b1d | 5149 | ret = -TARGET_EINVAL; |
56e904ec AG |
5150 | goto out; |
5151 | } | |
5152 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
5153 | host_data = (char*)host_dm + host_dm->data_start; | |
5154 | ||
5155 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3211215e PM |
5156 | if (!argptr) { |
5157 | ret = -TARGET_EFAULT; | |
5158 | goto out; | |
5159 | } | |
5160 | ||
56e904ec AG |
5161 | switch (ie->host_cmd) { |
5162 | case DM_REMOVE_ALL: | |
5163 | case DM_LIST_DEVICES: | |
5164 | case DM_DEV_CREATE: | |
5165 | case DM_DEV_REMOVE: | |
5166 | case DM_DEV_SUSPEND: | |
5167 | case DM_DEV_STATUS: | |
5168 | case DM_DEV_WAIT: | |
5169 | case DM_TABLE_STATUS: | |
5170 | case DM_TABLE_CLEAR: | |
5171 | case DM_TABLE_DEPS: | |
5172 | case DM_LIST_VERSIONS: | |
5173 | /* no input data */ | |
5174 | break; | |
5175 | case DM_DEV_RENAME: | |
5176 | case DM_DEV_SET_GEOMETRY: | |
5177 | /* data contains only strings */ | |
5178 | memcpy(host_data, argptr, guest_data_size); | |
5179 | break; | |
5180 | case DM_TARGET_MSG: | |
5181 | memcpy(host_data, argptr, guest_data_size); | |
5182 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
5183 | break; | |
5184 | case DM_TABLE_LOAD: | |
5185 | { | |
5186 | void *gspec = argptr; | |
5187 | void *cur_data = host_data; | |
5188 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
5189 | int spec_size = thunk_type_size(arg_type, 0); | |
5190 | int i; | |
5191 | ||
5192 | for (i = 0; i < host_dm->target_count; i++) { | |
5193 | struct dm_target_spec *spec = cur_data; | |
5194 | uint32_t next; | |
5195 | int slen; | |
5196 | ||
5197 | thunk_convert(spec, gspec, arg_type, THUNK_HOST); | |
5198 | slen = strlen((char*)gspec + spec_size) + 1; | |
5199 | next = spec->next; | |
5200 | spec->next = sizeof(*spec) + slen; | |
5201 | strcpy((char*)&spec[1], gspec + spec_size); | |
5202 | gspec += next; | |
5203 | cur_data += spec->next; | |
5204 | } | |
5205 | break; | |
5206 | } | |
5207 | default: | |
5208 | ret = -TARGET_EINVAL; | |
dec0473d | 5209 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
5210 | goto out; |
5211 | } | |
5212 | unlock_user(argptr, guest_data, 0); | |
5213 | ||
49ca6f3e | 5214 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
56e904ec AG |
5215 | if (!is_error(ret)) { |
5216 | guest_data = arg + host_dm->data_start; | |
5217 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
5218 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
5219 | switch (ie->host_cmd) { | |
5220 | case DM_REMOVE_ALL: | |
5221 | case DM_DEV_CREATE: | |
5222 | case DM_DEV_REMOVE: | |
5223 | case DM_DEV_RENAME: | |
5224 | case DM_DEV_SUSPEND: | |
5225 | case DM_DEV_STATUS: | |
5226 | case DM_TABLE_LOAD: | |
5227 | case DM_TABLE_CLEAR: | |
5228 | case DM_TARGET_MSG: | |
5229 | case DM_DEV_SET_GEOMETRY: | |
5230 | /* no return data */ | |
5231 | break; | |
5232 | case DM_LIST_DEVICES: | |
5233 | { | |
5234 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
5235 | uint32_t remaining_data = guest_data_size; | |
5236 | void *cur_data = argptr; | |
5237 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; | |
5238 | int nl_size = 12; /* can't use thunk_size due to alignment */ | |
5239 | ||
5240 | while (1) { | |
5241 | uint32_t next = nl->next; | |
5242 | if (next) { | |
5243 | nl->next = nl_size + (strlen(nl->name) + 1); | |
5244 | } | |
5245 | if (remaining_data < nl->next) { | |
5246 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5247 | break; | |
5248 | } | |
5249 | thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); | |
5250 | strcpy(cur_data + nl_size, nl->name); | |
5251 | cur_data += nl->next; | |
5252 | remaining_data -= nl->next; | |
5253 | if (!next) { | |
5254 | break; | |
5255 | } | |
5256 | nl = (void*)nl + next; | |
5257 | } | |
5258 | break; | |
5259 | } | |
5260 | case DM_DEV_WAIT: | |
5261 | case DM_TABLE_STATUS: | |
5262 | { | |
5263 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
5264 | void *cur_data = argptr; | |
5265 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
5266 | int spec_size = thunk_type_size(arg_type, 0); | |
5267 | int i; | |
5268 | ||
5269 | for (i = 0; i < host_dm->target_count; i++) { | |
5270 | uint32_t next = spec->next; | |
5271 | int slen = strlen((char*)&spec[1]) + 1; | |
5272 | spec->next = (cur_data - argptr) + spec_size + slen; | |
5273 | if (guest_data_size < spec->next) { | |
5274 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5275 | break; | |
5276 | } | |
5277 | thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); | |
5278 | strcpy(cur_data + spec_size, (char*)&spec[1]); | |
5279 | cur_data = argptr + spec->next; | |
5280 | spec = (void*)host_dm + host_dm->data_start + next; | |
5281 | } | |
5282 | break; | |
5283 | } | |
5284 | case DM_TABLE_DEPS: | |
5285 | { | |
5286 | void *hdata = (void*)host_dm + host_dm->data_start; | |
5287 | int count = *(uint32_t*)hdata; | |
5288 | uint64_t *hdev = hdata + 8; | |
5289 | uint64_t *gdev = argptr + 8; | |
5290 | int i; | |
5291 | ||
5292 | *(uint32_t*)argptr = tswap32(count); | |
5293 | for (i = 0; i < count; i++) { | |
5294 | *gdev = tswap64(*hdev); | |
5295 | gdev++; | |
5296 | hdev++; | |
5297 | } | |
5298 | break; | |
5299 | } | |
5300 | case DM_LIST_VERSIONS: | |
5301 | { | |
5302 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
5303 | uint32_t remaining_data = guest_data_size; | |
5304 | void *cur_data = argptr; | |
5305 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; | |
5306 | int vers_size = thunk_type_size(arg_type, 0); | |
5307 | ||
5308 | while (1) { | |
5309 | uint32_t next = vers->next; | |
5310 | if (next) { | |
5311 | vers->next = vers_size + (strlen(vers->name) + 1); | |
5312 | } | |
5313 | if (remaining_data < vers->next) { | |
5314 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5315 | break; | |
5316 | } | |
5317 | thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); | |
5318 | strcpy(cur_data + vers_size, vers->name); | |
5319 | cur_data += vers->next; | |
5320 | remaining_data -= vers->next; | |
5321 | if (!next) { | |
5322 | break; | |
5323 | } | |
5324 | vers = (void*)vers + next; | |
5325 | } | |
5326 | break; | |
5327 | } | |
5328 | default: | |
dec0473d | 5329 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
5330 | ret = -TARGET_EINVAL; |
5331 | goto out; | |
5332 | } | |
5333 | unlock_user(argptr, guest_data, guest_data_size); | |
5334 | ||
5335 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
5336 | if (!argptr) { | |
5337 | ret = -TARGET_EFAULT; | |
5338 | goto out; | |
5339 | } | |
5340 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
5341 | unlock_user(argptr, arg, target_size); | |
5342 | } | |
5343 | out: | |
ad11ad77 | 5344 | g_free(big_buf); |
56e904ec AG |
5345 | return ret; |
5346 | } | |
5347 | ||
a59b5e35 | 5348 | static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 5349 | int cmd, abi_long arg) |
a59b5e35 AG |
5350 | { |
5351 | void *argptr; | |
5352 | int target_size; | |
5353 | const argtype *arg_type = ie->arg_type; | |
5354 | const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) }; | |
5355 | abi_long ret; | |
5356 | ||
5357 | struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp; | |
5358 | struct blkpg_partition host_part; | |
5359 | ||
5360 | /* Read and convert blkpg */ | |
5361 | arg_type++; | |
5362 | target_size = thunk_type_size(arg_type, 0); | |
5363 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5364 | if (!argptr) { | |
5365 | ret = -TARGET_EFAULT; | |
5366 | goto out; | |
5367 | } | |
5368 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5369 | unlock_user(argptr, arg, 0); | |
5370 | ||
5371 | switch (host_blkpg->op) { | |
5372 | case BLKPG_ADD_PARTITION: | |
5373 | case BLKPG_DEL_PARTITION: | |
5374 | /* payload is struct blkpg_partition */ | |
5375 | break; | |
5376 | default: | |
5377 | /* Unknown opcode */ | |
5378 | ret = -TARGET_EINVAL; | |
5379 | goto out; | |
5380 | } | |
5381 | ||
5382 | /* Read and convert blkpg->data */ | |
5383 | arg = (abi_long)(uintptr_t)host_blkpg->data; | |
5384 | target_size = thunk_type_size(part_arg_type, 0); | |
5385 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5386 | if (!argptr) { | |
5387 | ret = -TARGET_EFAULT; | |
5388 | goto out; | |
5389 | } | |
5390 | thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST); | |
5391 | unlock_user(argptr, arg, 0); | |
5392 | ||
5393 | /* Swizzle the data pointer to our local copy and call! */ | |
5394 | host_blkpg->data = &host_part; | |
49ca6f3e | 5395 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg)); |
a59b5e35 AG |
5396 | |
5397 | out: | |
5398 | return ret; | |
5399 | } | |
5400 | ||
7ff7b666 | 5401 | static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5402 | int fd, int cmd, abi_long arg) |
7ff7b666 LV |
5403 | { |
5404 | const argtype *arg_type = ie->arg_type; | |
5405 | const StructEntry *se; | |
5406 | const argtype *field_types; | |
5407 | const int *dst_offsets, *src_offsets; | |
5408 | int target_size; | |
5409 | void *argptr; | |
b78c522a MAL |
5410 | abi_ulong *target_rt_dev_ptr = NULL; |
5411 | unsigned long *host_rt_dev_ptr = NULL; | |
7ff7b666 LV |
5412 | abi_long ret; |
5413 | int i; | |
5414 | ||
5415 | assert(ie->access == IOC_W); | |
5416 | assert(*arg_type == TYPE_PTR); | |
5417 | arg_type++; | |
5418 | assert(*arg_type == TYPE_STRUCT); | |
5419 | target_size = thunk_type_size(arg_type, 0); | |
5420 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5421 | if (!argptr) { | |
5422 | return -TARGET_EFAULT; | |
5423 | } | |
5424 | arg_type++; | |
5425 | assert(*arg_type == (int)STRUCT_rtentry); | |
5426 | se = struct_entries + *arg_type++; | |
5427 | assert(se->convert[0] == NULL); | |
5428 | /* convert struct here to be able to catch rt_dev string */ | |
5429 | field_types = se->field_types; | |
5430 | dst_offsets = se->field_offsets[THUNK_HOST]; | |
5431 | src_offsets = se->field_offsets[THUNK_TARGET]; | |
5432 | for (i = 0; i < se->nb_fields; i++) { | |
5433 | if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { | |
5434 | assert(*field_types == TYPE_PTRVOID); | |
3d558330 | 5435 | target_rt_dev_ptr = argptr + src_offsets[i]; |
7ff7b666 LV |
5436 | host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); |
5437 | if (*target_rt_dev_ptr != 0) { | |
5438 | *host_rt_dev_ptr = (unsigned long)lock_user_string( | |
5439 | tswapal(*target_rt_dev_ptr)); | |
5440 | if (!*host_rt_dev_ptr) { | |
5441 | unlock_user(argptr, arg, 0); | |
5442 | return -TARGET_EFAULT; | |
5443 | } | |
5444 | } else { | |
5445 | *host_rt_dev_ptr = 0; | |
5446 | } | |
5447 | field_types++; | |
5448 | continue; | |
5449 | } | |
5450 | field_types = thunk_convert(buf_temp + dst_offsets[i], | |
5451 | argptr + src_offsets[i], | |
5452 | field_types, THUNK_HOST); | |
5453 | } | |
5454 | unlock_user(argptr, arg, 0); | |
5455 | ||
49ca6f3e | 5456 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
b78c522a MAL |
5457 | |
5458 | assert(host_rt_dev_ptr != NULL); | |
5459 | assert(target_rt_dev_ptr != NULL); | |
7ff7b666 LV |
5460 | if (*host_rt_dev_ptr != 0) { |
5461 | unlock_user((void *)*host_rt_dev_ptr, | |
5462 | *target_rt_dev_ptr, 0); | |
5463 | } | |
5464 | return ret; | |
5465 | } | |
5466 | ||
ca56f5b5 | 5467 | static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5468 | int fd, int cmd, abi_long arg) |
ca56f5b5 PB |
5469 | { |
5470 | int sig = target_to_host_signal(arg); | |
49ca6f3e | 5471 | return get_errno(safe_ioctl(fd, ie->host_cmd, sig)); |
ca56f5b5 PB |
5472 | } |
5473 | ||
6d5d5dde DB |
5474 | static abi_long do_ioctl_SIOCGSTAMP(const IOCTLEntry *ie, uint8_t *buf_temp, |
5475 | int fd, int cmd, abi_long arg) | |
5476 | { | |
5477 | struct timeval tv; | |
5478 | abi_long ret; | |
5479 | ||
5480 | ret = get_errno(safe_ioctl(fd, SIOCGSTAMP, &tv)); | |
5481 | if (is_error(ret)) { | |
5482 | return ret; | |
5483 | } | |
5484 | ||
5485 | if (cmd == (int)TARGET_SIOCGSTAMP_OLD) { | |
5486 | if (copy_to_user_timeval(arg, &tv)) { | |
5487 | return -TARGET_EFAULT; | |
5488 | } | |
5489 | } else { | |
5490 | if (copy_to_user_timeval64(arg, &tv)) { | |
5491 | return -TARGET_EFAULT; | |
5492 | } | |
5493 | } | |
5494 | ||
5495 | return ret; | |
5496 | } | |
5497 | ||
5498 | static abi_long do_ioctl_SIOCGSTAMPNS(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5499 | int fd, int cmd, abi_long arg) | |
5500 | { | |
5501 | struct timespec ts; | |
5502 | abi_long ret; | |
5503 | ||
5504 | ret = get_errno(safe_ioctl(fd, SIOCGSTAMPNS, &ts)); | |
5505 | if (is_error(ret)) { | |
5506 | return ret; | |
5507 | } | |
5508 | ||
5509 | if (cmd == (int)TARGET_SIOCGSTAMPNS_OLD) { | |
5510 | if (host_to_target_timespec(arg, &ts)) { | |
5511 | return -TARGET_EFAULT; | |
5512 | } | |
5513 | } else{ | |
5514 | if (host_to_target_timespec64(arg, &ts)) { | |
5515 | return -TARGET_EFAULT; | |
5516 | } | |
5517 | } | |
5518 | ||
5519 | return ret; | |
5520 | } | |
5521 | ||
2b74f621 AS |
5522 | #ifdef TIOCGPTPEER |
5523 | static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5524 | int fd, int cmd, abi_long arg) | |
5525 | { | |
5526 | int flags = target_to_host_bitmask(arg, fcntl_flags_tbl); | |
5527 | return get_errno(safe_ioctl(fd, ie->host_cmd, flags)); | |
5528 | } | |
5529 | #endif | |
5530 | ||
e865b97f CG |
5531 | #ifdef HAVE_DRM_H |
5532 | ||
5533 | static void unlock_drm_version(struct drm_version *host_ver, | |
5534 | struct target_drm_version *target_ver, | |
5535 | bool copy) | |
5536 | { | |
5537 | unlock_user(host_ver->name, target_ver->name, | |
5538 | copy ? host_ver->name_len : 0); | |
5539 | unlock_user(host_ver->date, target_ver->date, | |
5540 | copy ? host_ver->date_len : 0); | |
5541 | unlock_user(host_ver->desc, target_ver->desc, | |
5542 | copy ? host_ver->desc_len : 0); | |
5543 | } | |
5544 | ||
5545 | static inline abi_long target_to_host_drmversion(struct drm_version *host_ver, | |
5546 | struct target_drm_version *target_ver) | |
5547 | { | |
5548 | memset(host_ver, 0, sizeof(*host_ver)); | |
5549 | ||
5550 | __get_user(host_ver->name_len, &target_ver->name_len); | |
5551 | if (host_ver->name_len) { | |
5552 | host_ver->name = lock_user(VERIFY_WRITE, target_ver->name, | |
5553 | target_ver->name_len, 0); | |
5554 | if (!host_ver->name) { | |
5555 | return -EFAULT; | |
5556 | } | |
5557 | } | |
5558 | ||
5559 | __get_user(host_ver->date_len, &target_ver->date_len); | |
5560 | if (host_ver->date_len) { | |
5561 | host_ver->date = lock_user(VERIFY_WRITE, target_ver->date, | |
5562 | target_ver->date_len, 0); | |
5563 | if (!host_ver->date) { | |
5564 | goto err; | |
5565 | } | |
5566 | } | |
5567 | ||
5568 | __get_user(host_ver->desc_len, &target_ver->desc_len); | |
5569 | if (host_ver->desc_len) { | |
5570 | host_ver->desc = lock_user(VERIFY_WRITE, target_ver->desc, | |
5571 | target_ver->desc_len, 0); | |
5572 | if (!host_ver->desc) { | |
5573 | goto err; | |
5574 | } | |
5575 | } | |
5576 | ||
5577 | return 0; | |
5578 | err: | |
5579 | unlock_drm_version(host_ver, target_ver, false); | |
5580 | return -EFAULT; | |
5581 | } | |
5582 | ||
5583 | static inline void host_to_target_drmversion( | |
5584 | struct target_drm_version *target_ver, | |
5585 | struct drm_version *host_ver) | |
5586 | { | |
5587 | __put_user(host_ver->version_major, &target_ver->version_major); | |
5588 | __put_user(host_ver->version_minor, &target_ver->version_minor); | |
5589 | __put_user(host_ver->version_patchlevel, &target_ver->version_patchlevel); | |
5590 | __put_user(host_ver->name_len, &target_ver->name_len); | |
5591 | __put_user(host_ver->date_len, &target_ver->date_len); | |
5592 | __put_user(host_ver->desc_len, &target_ver->desc_len); | |
5593 | unlock_drm_version(host_ver, target_ver, true); | |
5594 | } | |
5595 | ||
5596 | static abi_long do_ioctl_drm(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5597 | int fd, int cmd, abi_long arg) | |
5598 | { | |
5599 | struct drm_version *ver; | |
5600 | struct target_drm_version *target_ver; | |
5601 | abi_long ret; | |
5602 | ||
5603 | switch (ie->host_cmd) { | |
5604 | case DRM_IOCTL_VERSION: | |
5605 | if (!lock_user_struct(VERIFY_WRITE, target_ver, arg, 0)) { | |
5606 | return -TARGET_EFAULT; | |
5607 | } | |
5608 | ver = (struct drm_version *)buf_temp; | |
5609 | ret = target_to_host_drmversion(ver, target_ver); | |
5610 | if (!is_error(ret)) { | |
5611 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, ver)); | |
5612 | if (is_error(ret)) { | |
5613 | unlock_drm_version(ver, target_ver, false); | |
5614 | } else { | |
5615 | host_to_target_drmversion(target_ver, ver); | |
5616 | } | |
5617 | } | |
5618 | unlock_user_struct(target_ver, arg, 0); | |
5619 | return ret; | |
5620 | } | |
5621 | return -TARGET_ENOSYS; | |
5622 | } | |
5623 | ||
913b03c2 CG |
5624 | static abi_long do_ioctl_drm_i915_getparam(const IOCTLEntry *ie, |
5625 | struct drm_i915_getparam *gparam, | |
5626 | int fd, abi_long arg) | |
5627 | { | |
5628 | abi_long ret; | |
5629 | int value; | |
5630 | struct target_drm_i915_getparam *target_gparam; | |
5631 | ||
5632 | if (!lock_user_struct(VERIFY_READ, target_gparam, arg, 0)) { | |
5633 | return -TARGET_EFAULT; | |
5634 | } | |
5635 | ||
5636 | __get_user(gparam->param, &target_gparam->param); | |
5637 | gparam->value = &value; | |
5638 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, gparam)); | |
5639 | put_user_s32(value, target_gparam->value); | |
5640 | ||
5641 | unlock_user_struct(target_gparam, arg, 0); | |
5642 | return ret; | |
5643 | } | |
5644 | ||
5645 | static abi_long do_ioctl_drm_i915(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5646 | int fd, int cmd, abi_long arg) | |
5647 | { | |
5648 | switch (ie->host_cmd) { | |
5649 | case DRM_IOCTL_I915_GETPARAM: | |
5650 | return do_ioctl_drm_i915_getparam(ie, | |
5651 | (struct drm_i915_getparam *)buf_temp, | |
5652 | fd, arg); | |
5653 | default: | |
5654 | return -TARGET_ENOSYS; | |
5655 | } | |
5656 | } | |
5657 | ||
e865b97f CG |
5658 | #endif |
5659 | ||
6addf06a SCW |
5660 | static abi_long do_ioctl_TUNSETTXFILTER(const IOCTLEntry *ie, uint8_t *buf_temp, |
5661 | int fd, int cmd, abi_long arg) | |
5662 | { | |
5663 | struct tun_filter *filter = (struct tun_filter *)buf_temp; | |
5664 | struct tun_filter *target_filter; | |
5665 | char *target_addr; | |
5666 | ||
5667 | assert(ie->access == IOC_W); | |
5668 | ||
5669 | target_filter = lock_user(VERIFY_READ, arg, sizeof(*target_filter), 1); | |
5670 | if (!target_filter) { | |
5671 | return -TARGET_EFAULT; | |
5672 | } | |
5673 | filter->flags = tswap16(target_filter->flags); | |
5674 | filter->count = tswap16(target_filter->count); | |
5675 | unlock_user(target_filter, arg, 0); | |
5676 | ||
5677 | if (filter->count) { | |
5678 | if (offsetof(struct tun_filter, addr) + filter->count * ETH_ALEN > | |
5679 | MAX_STRUCT_SIZE) { | |
5680 | return -TARGET_EFAULT; | |
5681 | } | |
5682 | ||
5683 | target_addr = lock_user(VERIFY_READ, | |
5684 | arg + offsetof(struct tun_filter, addr), | |
5685 | filter->count * ETH_ALEN, 1); | |
5686 | if (!target_addr) { | |
5687 | return -TARGET_EFAULT; | |
5688 | } | |
5689 | memcpy(filter->addr, target_addr, filter->count * ETH_ALEN); | |
5690 | unlock_user(target_addr, arg + offsetof(struct tun_filter, addr), 0); | |
5691 | } | |
5692 | ||
5693 | return get_errno(safe_ioctl(fd, ie->host_cmd, filter)); | |
5694 | } | |
5695 | ||
79482e59 | 5696 | IOCTLEntry ioctl_entries[] = { |
001faf32 | 5697 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
5698 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
5699 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
5700 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
8cb762fe HD |
5701 | #define IOCTL_IGNORE(cmd) \ |
5702 | { TARGET_ ## cmd, 0, #cmd }, | |
31e31b8a FB |
5703 | #include "ioctls.h" |
5704 | { 0, 0, }, | |
5705 | }; | |
5706 | ||
53a5960a | 5707 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 5708 | /* do_ioctl() Must return target values and target errnos. */ |
45c874eb | 5709 | static abi_long do_ioctl(int fd, int cmd, abi_long arg) |
31e31b8a FB |
5710 | { |
5711 | const IOCTLEntry *ie; | |
5712 | const argtype *arg_type; | |
992f48a0 | 5713 | abi_long ret; |
31e31b8a | 5714 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
5715 | int target_size; |
5716 | void *argptr; | |
31e31b8a FB |
5717 | |
5718 | ie = ioctl_entries; | |
5719 | for(;;) { | |
5720 | if (ie->target_cmd == 0) { | |
39be5350 JK |
5721 | qemu_log_mask( |
5722 | LOG_UNIMP, "Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); | |
59d11727 | 5723 | return -TARGET_ENOTTY; |
31e31b8a FB |
5724 | } |
5725 | if (ie->target_cmd == cmd) | |
5726 | break; | |
5727 | ie++; | |
5728 | } | |
5729 | arg_type = ie->arg_type; | |
d2ef05bb PM |
5730 | if (ie->do_ioctl) { |
5731 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
8cb762fe HD |
5732 | } else if (!ie->host_cmd) { |
5733 | /* Some architectures define BSD ioctls in their headers | |
5734 | that are not implemented in Linux. */ | |
59d11727 | 5735 | return -TARGET_ENOTTY; |
d2ef05bb PM |
5736 | } |
5737 | ||
31e31b8a FB |
5738 | switch(arg_type[0]) { |
5739 | case TYPE_NULL: | |
5740 | /* no argument */ | |
49ca6f3e | 5741 | ret = get_errno(safe_ioctl(fd, ie->host_cmd)); |
31e31b8a FB |
5742 | break; |
5743 | case TYPE_PTRVOID: | |
5744 | case TYPE_INT: | |
c858e537 FB |
5745 | case TYPE_LONG: |
5746 | case TYPE_ULONG: | |
49ca6f3e | 5747 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg)); |
31e31b8a FB |
5748 | break; |
5749 | case TYPE_PTR: | |
5750 | arg_type++; | |
53a5960a | 5751 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
5752 | switch(ie->access) { |
5753 | case IOC_R: | |
49ca6f3e | 5754 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 5755 | if (!is_error(ret)) { |
579a97f7 FB |
5756 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
5757 | if (!argptr) | |
5758 | return -TARGET_EFAULT; | |
53a5960a PB |
5759 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
5760 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
5761 | } |
5762 | break; | |
5763 | case IOC_W: | |
579a97f7 FB |
5764 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
5765 | if (!argptr) | |
5766 | return -TARGET_EFAULT; | |
53a5960a PB |
5767 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
5768 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 5769 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a FB |
5770 | break; |
5771 | default: | |
5772 | case IOC_RW: | |
579a97f7 FB |
5773 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
5774 | if (!argptr) | |
5775 | return -TARGET_EFAULT; | |
53a5960a PB |
5776 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
5777 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 5778 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 5779 | if (!is_error(ret)) { |
579a97f7 FB |
5780 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
5781 | if (!argptr) | |
5782 | return -TARGET_EFAULT; | |
53a5960a PB |
5783 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
5784 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
5785 | } |
5786 | break; | |
5787 | } | |
5788 | break; | |
5789 | default: | |
39be5350 JK |
5790 | qemu_log_mask(LOG_UNIMP, |
5791 | "Unsupported ioctl type: cmd=0x%04lx type=%d\n", | |
5792 | (long)cmd, arg_type[0]); | |
59d11727 | 5793 | ret = -TARGET_ENOTTY; |
31e31b8a FB |
5794 | break; |
5795 | } | |
5796 | return ret; | |
5797 | } | |
5798 | ||
b39bc503 | 5799 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
5800 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
5801 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
5802 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
5803 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
5804 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
5805 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
5806 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
5807 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
5808 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
5809 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
5810 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
5811 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
5812 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
5813 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
c218b4ed | 5814 | { TARGET_IUTF8, TARGET_IUTF8, IUTF8, IUTF8}, |
31e31b8a FB |
5815 | }; |
5816 | ||
b39bc503 | 5817 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
5818 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
5819 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
5820 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
5821 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
5822 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
5823 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
5824 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
5825 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
5826 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
5827 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
5828 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
5829 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
5830 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
5831 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
5832 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
5833 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
5834 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
5835 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
5836 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
5837 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
5838 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
5839 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
5840 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
5841 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
31e31b8a FB |
5842 | }; |
5843 | ||
b39bc503 | 5844 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
5845 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
5846 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
5847 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
5848 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
5849 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
5850 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
5851 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
5852 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
5853 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
5854 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
5855 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
5856 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
5857 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
5858 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
5859 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
5860 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
5861 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
5862 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
5863 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
5864 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
5865 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
5866 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
5867 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
5868 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
5869 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
5870 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
5871 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
5872 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
5873 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
5874 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
5875 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
31e31b8a FB |
5876 | }; |
5877 | ||
b39bc503 | 5878 | static const bitmask_transtbl lflag_tbl[] = { |
c218b4ed FB |
5879 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
5880 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
5881 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
5882 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
5883 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
5884 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
5885 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
5886 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
5887 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
5888 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
5889 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
5890 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
5891 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
5892 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
5893 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
5894 | { TARGET_EXTPROC, TARGET_EXTPROC, EXTPROC, EXTPROC}, | |
31e31b8a FB |
5895 | }; |
5896 | ||
5897 | static void target_to_host_termios (void *dst, const void *src) | |
5898 | { | |
5899 | struct host_termios *host = dst; | |
5900 | const struct target_termios *target = src; | |
3b46e624 | 5901 | |
5fafdf24 | 5902 | host->c_iflag = |
31e31b8a | 5903 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 5904 | host->c_oflag = |
31e31b8a | 5905 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 5906 | host->c_cflag = |
31e31b8a | 5907 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 5908 | host->c_lflag = |
31e31b8a FB |
5909 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
5910 | host->c_line = target->c_line; | |
3b46e624 | 5911 | |
44607123 | 5912 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
5913 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
5914 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 5915 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 5916 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 5917 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 5918 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 5919 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 5920 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 5921 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
5922 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
5923 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
5924 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
5925 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
5926 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
5927 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
5928 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 5929 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 5930 | } |
3b46e624 | 5931 | |
31e31b8a FB |
5932 | static void host_to_target_termios (void *dst, const void *src) |
5933 | { | |
5934 | struct target_termios *target = dst; | |
5935 | const struct host_termios *host = src; | |
5936 | ||
5fafdf24 | 5937 | target->c_iflag = |
31e31b8a | 5938 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 5939 | target->c_oflag = |
31e31b8a | 5940 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 5941 | target->c_cflag = |
31e31b8a | 5942 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 5943 | target->c_lflag = |
31e31b8a FB |
5944 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
5945 | target->c_line = host->c_line; | |
3b46e624 | 5946 | |
44607123 | 5947 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
5948 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
5949 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
5950 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
5951 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
5952 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
5953 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
5954 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
5955 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
5956 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
5957 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
5958 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
5959 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
5960 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
5961 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
5962 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
5963 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
5964 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
5965 | } | |
5966 | ||
8e853dc7 | 5967 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
5968 | .convert = { host_to_target_termios, target_to_host_termios }, |
5969 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
5970 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
888468db | 5971 | .print = print_termios, |
31e31b8a FB |
5972 | }; |
5973 | ||
4b840f96 RH |
5974 | /* If the host does not provide these bits, they may be safely discarded. */ |
5975 | #ifndef MAP_SYNC | |
5976 | #define MAP_SYNC 0 | |
5977 | #endif | |
5978 | #ifndef MAP_UNINITIALIZED | |
5979 | #define MAP_UNINITIALIZED 0 | |
5980 | #endif | |
5981 | ||
180d4ef3 | 5982 | static const bitmask_transtbl mmap_flags_tbl[] = { |
541e1690 HD |
5983 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, |
5984 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, | |
5985 | MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
5986 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, | |
5987 | MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
5988 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, | |
5989 | MAP_DENYWRITE, MAP_DENYWRITE }, | |
5990 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, | |
5991 | MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
5992 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
5993 | { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, | |
5994 | MAP_NORESERVE, MAP_NORESERVE }, | |
5995 | { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB }, | |
5996 | /* MAP_STACK had been ignored by the kernel for quite some time. | |
5997 | Recognize it for the target insofar as we do not want to pass | |
5998 | it through to the host. */ | |
5999 | { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 }, | |
4b840f96 RH |
6000 | { TARGET_MAP_NONBLOCK, TARGET_MAP_NONBLOCK, MAP_NONBLOCK, MAP_NONBLOCK }, |
6001 | { TARGET_MAP_POPULATE, TARGET_MAP_POPULATE, MAP_POPULATE, MAP_POPULATE }, | |
6002 | { TARGET_MAP_FIXED_NOREPLACE, TARGET_MAP_FIXED_NOREPLACE, | |
6003 | MAP_FIXED_NOREPLACE, MAP_FIXED_NOREPLACE }, | |
6004 | { TARGET_MAP_UNINITIALIZED, TARGET_MAP_UNINITIALIZED, | |
6005 | MAP_UNINITIALIZED, MAP_UNINITIALIZED }, | |
5286db75 FB |
6006 | }; |
6007 | ||
9ab8d071 RH |
6008 | /* |
6009 | * Arrange for legacy / undefined architecture specific flags to be | |
6010 | * ignored by mmap handling code. | |
6011 | */ | |
6012 | #ifndef TARGET_MAP_32BIT | |
6013 | #define TARGET_MAP_32BIT 0 | |
6014 | #endif | |
6015 | #ifndef TARGET_MAP_HUGE_2MB | |
6016 | #define TARGET_MAP_HUGE_2MB 0 | |
6017 | #endif | |
6018 | #ifndef TARGET_MAP_HUGE_1GB | |
6019 | #define TARGET_MAP_HUGE_1GB 0 | |
6020 | #endif | |
6021 | ||
6022 | static abi_long do_mmap(abi_ulong addr, abi_ulong len, int prot, | |
6023 | int target_flags, int fd, off_t offset) | |
6024 | { | |
6025 | /* | |
6026 | * The historical set of flags that all mmap types implicitly support. | |
6027 | */ | |
6028 | enum { | |
6029 | TARGET_LEGACY_MAP_MASK = TARGET_MAP_SHARED | |
6030 | | TARGET_MAP_PRIVATE | |
6031 | | TARGET_MAP_FIXED | |
6032 | | TARGET_MAP_ANONYMOUS | |
6033 | | TARGET_MAP_DENYWRITE | |
6034 | | TARGET_MAP_EXECUTABLE | |
6035 | | TARGET_MAP_UNINITIALIZED | |
6036 | | TARGET_MAP_GROWSDOWN | |
6037 | | TARGET_MAP_LOCKED | |
6038 | | TARGET_MAP_NORESERVE | |
6039 | | TARGET_MAP_POPULATE | |
6040 | | TARGET_MAP_NONBLOCK | |
6041 | | TARGET_MAP_STACK | |
6042 | | TARGET_MAP_HUGETLB | |
6043 | | TARGET_MAP_32BIT | |
6044 | | TARGET_MAP_HUGE_2MB | |
6045 | | TARGET_MAP_HUGE_1GB | |
6046 | }; | |
6047 | int host_flags; | |
6048 | ||
6049 | switch (target_flags & TARGET_MAP_TYPE) { | |
6050 | case TARGET_MAP_PRIVATE: | |
6051 | host_flags = MAP_PRIVATE; | |
6052 | break; | |
6053 | case TARGET_MAP_SHARED: | |
6054 | host_flags = MAP_SHARED; | |
6055 | break; | |
6056 | case TARGET_MAP_SHARED_VALIDATE: | |
6057 | /* | |
6058 | * MAP_SYNC is only supported for MAP_SHARED_VALIDATE, and is | |
6059 | * therefore omitted from mmap_flags_tbl and TARGET_LEGACY_MAP_MASK. | |
6060 | */ | |
6061 | if (target_flags & ~(TARGET_LEGACY_MAP_MASK | TARGET_MAP_SYNC)) { | |
6062 | return -TARGET_EOPNOTSUPP; | |
6063 | } | |
6064 | host_flags = MAP_SHARED_VALIDATE; | |
6065 | if (target_flags & TARGET_MAP_SYNC) { | |
6066 | host_flags |= MAP_SYNC; | |
6067 | } | |
6068 | break; | |
6069 | default: | |
6070 | return -TARGET_EINVAL; | |
6071 | } | |
6072 | host_flags |= target_to_host_bitmask(target_flags, mmap_flags_tbl); | |
6073 | ||
6074 | return get_errno(target_mmap(addr, len, prot, host_flags, fd, offset)); | |
6075 | } | |
6076 | ||
9d12f79d LV |
6077 | /* |
6078 | * NOTE: TARGET_ABI32 is defined for TARGET_I386 (but not for TARGET_X86_64) | |
6079 | * TARGET_I386 is defined if TARGET_X86_64 is defined | |
6080 | */ | |
2ab83ea7 | 6081 | #if defined(TARGET_I386) |
6dbad63e FB |
6082 | |
6083 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 6084 | static uint8_t *ldt_table; |
6dbad63e | 6085 | |
03acab66 | 6086 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
6087 | { |
6088 | int size; | |
53a5960a | 6089 | void *p; |
6dbad63e FB |
6090 | |
6091 | if (!ldt_table) | |
6092 | return 0; | |
6093 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
6094 | if (size > bytecount) | |
6095 | size = bytecount; | |
579a97f7 FB |
6096 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
6097 | if (!p) | |
03acab66 | 6098 | return -TARGET_EFAULT; |
579a97f7 | 6099 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
6100 | memcpy(p, ldt_table, size); |
6101 | unlock_user(p, ptr, size); | |
6dbad63e FB |
6102 | return size; |
6103 | } | |
6104 | ||
6105 | /* XXX: add locking support */ | |
03acab66 FB |
6106 | static abi_long write_ldt(CPUX86State *env, |
6107 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
6108 | { |
6109 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 6110 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 6111 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 6112 | int seg_not_present, useable, lm; |
6dbad63e FB |
6113 | uint32_t *lp, entry_1, entry_2; |
6114 | ||
6115 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 6116 | return -TARGET_EINVAL; |
579a97f7 | 6117 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 6118 | return -TARGET_EFAULT; |
53a5960a | 6119 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 6120 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
6121 | ldt_info.limit = tswap32(target_ldt_info->limit); |
6122 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
6123 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 6124 | |
6dbad63e | 6125 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 6126 | return -TARGET_EINVAL; |
6dbad63e FB |
6127 | seg_32bit = ldt_info.flags & 1; |
6128 | contents = (ldt_info.flags >> 1) & 3; | |
6129 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
6130 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
6131 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
6132 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
6133 | #ifdef TARGET_ABI32 |
6134 | lm = 0; | |
6135 | #else | |
6136 | lm = (ldt_info.flags >> 7) & 1; | |
6137 | #endif | |
6dbad63e FB |
6138 | if (contents == 3) { |
6139 | if (oldmode) | |
03acab66 | 6140 | return -TARGET_EINVAL; |
6dbad63e | 6141 | if (seg_not_present == 0) |
03acab66 | 6142 | return -TARGET_EINVAL; |
6dbad63e FB |
6143 | } |
6144 | /* allocate the LDT */ | |
6145 | if (!ldt_table) { | |
e441570f AZ |
6146 | env->ldt.base = target_mmap(0, |
6147 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
6148 | PROT_READ|PROT_WRITE, | |
6149 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
6150 | if (env->ldt.base == -1) | |
03acab66 | 6151 | return -TARGET_ENOMEM; |
3e8f1628 | 6152 | memset(g2h_untagged(env->ldt.base), 0, |
e441570f | 6153 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); |
6dbad63e | 6154 | env->ldt.limit = 0xffff; |
3e8f1628 | 6155 | ldt_table = g2h_untagged(env->ldt.base); |
6dbad63e FB |
6156 | } |
6157 | ||
6158 | /* NOTE: same code as Linux kernel */ | |
6159 | /* Allow LDTs to be cleared by the user. */ | |
6160 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
6161 | if (oldmode || | |
6162 | (contents == 0 && | |
6163 | read_exec_only == 1 && | |
6164 | seg_32bit == 0 && | |
6165 | limit_in_pages == 0 && | |
6166 | seg_not_present == 1 && | |
6167 | useable == 0 )) { | |
6168 | entry_1 = 0; | |
6169 | entry_2 = 0; | |
6170 | goto install; | |
6171 | } | |
6172 | } | |
3b46e624 | 6173 | |
6dbad63e FB |
6174 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
6175 | (ldt_info.limit & 0x0ffff); | |
6176 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
6177 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
6178 | (ldt_info.limit & 0xf0000) | | |
6179 | ((read_exec_only ^ 1) << 9) | | |
6180 | (contents << 10) | | |
6181 | ((seg_not_present ^ 1) << 15) | | |
6182 | (seg_32bit << 22) | | |
6183 | (limit_in_pages << 23) | | |
8d18e893 | 6184 | (lm << 21) | |
6dbad63e FB |
6185 | 0x7000; |
6186 | if (!oldmode) | |
6187 | entry_2 |= (useable << 20); | |
14ae3ba7 | 6188 | |
6dbad63e FB |
6189 | /* Install the new entry ... */ |
6190 | install: | |
6191 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
6192 | lp[0] = tswap32(entry_1); | |
6193 | lp[1] = tswap32(entry_2); | |
6194 | return 0; | |
6195 | } | |
6196 | ||
6197 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
6198 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
6199 | unsigned long bytecount) | |
6dbad63e | 6200 | { |
03acab66 | 6201 | abi_long ret; |
3b46e624 | 6202 | |
6dbad63e FB |
6203 | switch (func) { |
6204 | case 0: | |
6205 | ret = read_ldt(ptr, bytecount); | |
6206 | break; | |
6207 | case 1: | |
6208 | ret = write_ldt(env, ptr, bytecount, 1); | |
6209 | break; | |
6210 | case 0x11: | |
6211 | ret = write_ldt(env, ptr, bytecount, 0); | |
6212 | break; | |
03acab66 FB |
6213 | default: |
6214 | ret = -TARGET_ENOSYS; | |
6215 | break; | |
6dbad63e FB |
6216 | } |
6217 | return ret; | |
6218 | } | |
1b6b029e | 6219 | |
9d12f79d | 6220 | #if defined(TARGET_ABI32) |
bc22eb44 | 6221 | abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 | 6222 | { |
3e8f1628 | 6223 | uint64_t *gdt_table = g2h_untagged(env->gdt.base); |
8d18e893 FB |
6224 | struct target_modify_ldt_ldt_s ldt_info; |
6225 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
6226 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
6227 | int seg_not_present, useable, lm; | |
6228 | uint32_t *lp, entry_1, entry_2; | |
6229 | int i; | |
6230 | ||
6231 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
6232 | if (!target_ldt_info) | |
6233 | return -TARGET_EFAULT; | |
6234 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 6235 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
6236 | ldt_info.limit = tswap32(target_ldt_info->limit); |
6237 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
6238 | if (ldt_info.entry_number == -1) { | |
6239 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
6240 | if (gdt_table[i] == 0) { | |
6241 | ldt_info.entry_number = i; | |
6242 | target_ldt_info->entry_number = tswap32(i); | |
6243 | break; | |
6244 | } | |
6245 | } | |
6246 | } | |
6247 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6248 | ||
6249 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
6250 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
6251 | return -TARGET_EINVAL; | |
6252 | seg_32bit = ldt_info.flags & 1; | |
6253 | contents = (ldt_info.flags >> 1) & 3; | |
6254 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
6255 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
6256 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
6257 | useable = (ldt_info.flags >> 6) & 1; | |
6258 | #ifdef TARGET_ABI32 | |
6259 | lm = 0; | |
6260 | #else | |
6261 | lm = (ldt_info.flags >> 7) & 1; | |
6262 | #endif | |
6263 | ||
6264 | if (contents == 3) { | |
6265 | if (seg_not_present == 0) | |
6266 | return -TARGET_EINVAL; | |
6267 | } | |
6268 | ||
6269 | /* NOTE: same code as Linux kernel */ | |
6270 | /* Allow LDTs to be cleared by the user. */ | |
6271 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
6272 | if ((contents == 0 && | |
6273 | read_exec_only == 1 && | |
6274 | seg_32bit == 0 && | |
6275 | limit_in_pages == 0 && | |
6276 | seg_not_present == 1 && | |
6277 | useable == 0 )) { | |
6278 | entry_1 = 0; | |
6279 | entry_2 = 0; | |
6280 | goto install; | |
6281 | } | |
6282 | } | |
6283 | ||
6284 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
6285 | (ldt_info.limit & 0x0ffff); | |
6286 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
6287 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
6288 | (ldt_info.limit & 0xf0000) | | |
6289 | ((read_exec_only ^ 1) << 9) | | |
6290 | (contents << 10) | | |
6291 | ((seg_not_present ^ 1) << 15) | | |
6292 | (seg_32bit << 22) | | |
6293 | (limit_in_pages << 23) | | |
6294 | (useable << 20) | | |
6295 | (lm << 21) | | |
6296 | 0x7000; | |
6297 | ||
6298 | /* Install the new entry ... */ | |
6299 | install: | |
6300 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
6301 | lp[0] = tswap32(entry_1); | |
6302 | lp[1] = tswap32(entry_2); | |
6303 | return 0; | |
6304 | } | |
6305 | ||
8fcd3692 | 6306 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
6307 | { |
6308 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
3e8f1628 | 6309 | uint64_t *gdt_table = g2h_untagged(env->gdt.base); |
8d18e893 FB |
6310 | uint32_t base_addr, limit, flags; |
6311 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
6312 | int seg_not_present, useable, lm; | |
6313 | uint32_t *lp, entry_1, entry_2; | |
6314 | ||
6315 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
6316 | if (!target_ldt_info) | |
6317 | return -TARGET_EFAULT; | |
6318 | idx = tswap32(target_ldt_info->entry_number); | |
6319 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
6320 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
6321 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6322 | return -TARGET_EINVAL; | |
6323 | } | |
6324 | lp = (uint32_t *)(gdt_table + idx); | |
6325 | entry_1 = tswap32(lp[0]); | |
6326 | entry_2 = tswap32(lp[1]); | |
6327 | ||
6328 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
6329 | contents = (entry_2 >> 10) & 3; | |
6330 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
6331 | seg_32bit = (entry_2 >> 22) & 1; | |
6332 | limit_in_pages = (entry_2 >> 23) & 1; | |
6333 | useable = (entry_2 >> 20) & 1; | |
6334 | #ifdef TARGET_ABI32 | |
6335 | lm = 0; | |
6336 | #else | |
6337 | lm = (entry_2 >> 21) & 1; | |
6338 | #endif | |
6339 | flags = (seg_32bit << 0) | (contents << 1) | | |
6340 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
6341 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
6342 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
6343 | base_addr = (entry_1 >> 16) | | |
6344 | (entry_2 & 0xff000000) | | |
6345 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 6346 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
6347 | target_ldt_info->limit = tswap32(limit); |
6348 | target_ldt_info->flags = tswap32(flags); | |
6349 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6350 | return 0; | |
6351 | } | |
6352 | ||
9d12f79d LV |
6353 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
6354 | { | |
538fabcb | 6355 | return -TARGET_ENOSYS; |
9d12f79d LV |
6356 | } |
6357 | #else | |
2667e71c | 6358 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 6359 | { |
1add8698 | 6360 | abi_long ret = 0; |
d2fd1af7 FB |
6361 | abi_ulong val; |
6362 | int idx; | |
1add8698 | 6363 | |
d2fd1af7 FB |
6364 | switch(code) { |
6365 | case TARGET_ARCH_SET_GS: | |
6366 | case TARGET_ARCH_SET_FS: | |
6367 | if (code == TARGET_ARCH_SET_GS) | |
6368 | idx = R_GS; | |
6369 | else | |
6370 | idx = R_FS; | |
6371 | cpu_x86_load_seg(env, idx, 0); | |
6372 | env->segs[idx].base = addr; | |
6373 | break; | |
6374 | case TARGET_ARCH_GET_GS: | |
6375 | case TARGET_ARCH_GET_FS: | |
6376 | if (code == TARGET_ARCH_GET_GS) | |
6377 | idx = R_GS; | |
6378 | else | |
6379 | idx = R_FS; | |
6380 | val = env->segs[idx].base; | |
6381 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 6382 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
6383 | break; |
6384 | default: | |
6385 | ret = -TARGET_EINVAL; | |
6386 | break; | |
6387 | } | |
1add8698 | 6388 | return ret; |
d2fd1af7 | 6389 | } |
9d12f79d | 6390 | #endif /* defined(TARGET_ABI32 */ |
2ab83ea7 FB |
6391 | #endif /* defined(TARGET_I386) */ |
6392 | ||
87e9bf23 RH |
6393 | /* |
6394 | * These constants are generic. Supply any that are missing from the host. | |
6395 | */ | |
6396 | #ifndef PR_SET_NAME | |
6397 | # define PR_SET_NAME 15 | |
6398 | # define PR_GET_NAME 16 | |
6399 | #endif | |
6400 | #ifndef PR_SET_FP_MODE | |
6401 | # define PR_SET_FP_MODE 45 | |
6402 | # define PR_GET_FP_MODE 46 | |
6403 | # define PR_FP_MODE_FR (1 << 0) | |
6404 | # define PR_FP_MODE_FRE (1 << 1) | |
6405 | #endif | |
6406 | #ifndef PR_SVE_SET_VL | |
6407 | # define PR_SVE_SET_VL 50 | |
6408 | # define PR_SVE_GET_VL 51 | |
6409 | # define PR_SVE_VL_LEN_MASK 0xffff | |
6410 | # define PR_SVE_VL_INHERIT (1 << 17) | |
6411 | #endif | |
6412 | #ifndef PR_PAC_RESET_KEYS | |
6413 | # define PR_PAC_RESET_KEYS 54 | |
6414 | # define PR_PAC_APIAKEY (1 << 0) | |
6415 | # define PR_PAC_APIBKEY (1 << 1) | |
6416 | # define PR_PAC_APDAKEY (1 << 2) | |
6417 | # define PR_PAC_APDBKEY (1 << 3) | |
6418 | # define PR_PAC_APGAKEY (1 << 4) | |
6419 | #endif | |
6420 | #ifndef PR_SET_TAGGED_ADDR_CTRL | |
6421 | # define PR_SET_TAGGED_ADDR_CTRL 55 | |
6422 | # define PR_GET_TAGGED_ADDR_CTRL 56 | |
6423 | # define PR_TAGGED_ADDR_ENABLE (1UL << 0) | |
6424 | #endif | |
6425 | #ifndef PR_MTE_TCF_SHIFT | |
6426 | # define PR_MTE_TCF_SHIFT 1 | |
6427 | # define PR_MTE_TCF_NONE (0UL << PR_MTE_TCF_SHIFT) | |
6428 | # define PR_MTE_TCF_SYNC (1UL << PR_MTE_TCF_SHIFT) | |
6429 | # define PR_MTE_TCF_ASYNC (2UL << PR_MTE_TCF_SHIFT) | |
6430 | # define PR_MTE_TCF_MASK (3UL << PR_MTE_TCF_SHIFT) | |
6431 | # define PR_MTE_TAG_SHIFT 3 | |
6432 | # define PR_MTE_TAG_MASK (0xffffUL << PR_MTE_TAG_SHIFT) | |
6433 | #endif | |
220717a6 RH |
6434 | #ifndef PR_SET_IO_FLUSHER |
6435 | # define PR_SET_IO_FLUSHER 57 | |
6436 | # define PR_GET_IO_FLUSHER 58 | |
6437 | #endif | |
6438 | #ifndef PR_SET_SYSCALL_USER_DISPATCH | |
6439 | # define PR_SET_SYSCALL_USER_DISPATCH 59 | |
6440 | #endif | |
24d87c18 RH |
6441 | #ifndef PR_SME_SET_VL |
6442 | # define PR_SME_SET_VL 63 | |
6443 | # define PR_SME_GET_VL 64 | |
6444 | # define PR_SME_VL_LEN_MASK 0xffff | |
6445 | # define PR_SME_VL_INHERIT (1 << 17) | |
6446 | #endif | |
87e9bf23 RH |
6447 | |
6448 | #include "target_prctl.h" | |
6449 | ||
6450 | static abi_long do_prctl_inval0(CPUArchState *env) | |
6451 | { | |
6452 | return -TARGET_EINVAL; | |
6453 | } | |
6454 | ||
6455 | static abi_long do_prctl_inval1(CPUArchState *env, abi_long arg2) | |
6456 | { | |
6457 | return -TARGET_EINVAL; | |
6458 | } | |
6459 | ||
6460 | #ifndef do_prctl_get_fp_mode | |
6461 | #define do_prctl_get_fp_mode do_prctl_inval0 | |
6462 | #endif | |
6463 | #ifndef do_prctl_set_fp_mode | |
6464 | #define do_prctl_set_fp_mode do_prctl_inval1 | |
6465 | #endif | |
fd72f5d0 RH |
6466 | #ifndef do_prctl_sve_get_vl |
6467 | #define do_prctl_sve_get_vl do_prctl_inval0 | |
87e9bf23 | 6468 | #endif |
fd72f5d0 RH |
6469 | #ifndef do_prctl_sve_set_vl |
6470 | #define do_prctl_sve_set_vl do_prctl_inval1 | |
87e9bf23 RH |
6471 | #endif |
6472 | #ifndef do_prctl_reset_keys | |
6473 | #define do_prctl_reset_keys do_prctl_inval1 | |
6474 | #endif | |
6475 | #ifndef do_prctl_set_tagged_addr_ctrl | |
6476 | #define do_prctl_set_tagged_addr_ctrl do_prctl_inval1 | |
6477 | #endif | |
6478 | #ifndef do_prctl_get_tagged_addr_ctrl | |
6479 | #define do_prctl_get_tagged_addr_ctrl do_prctl_inval0 | |
6480 | #endif | |
6e8dcacd RH |
6481 | #ifndef do_prctl_get_unalign |
6482 | #define do_prctl_get_unalign do_prctl_inval1 | |
6483 | #endif | |
6484 | #ifndef do_prctl_set_unalign | |
6485 | #define do_prctl_set_unalign do_prctl_inval1 | |
6486 | #endif | |
24d87c18 RH |
6487 | #ifndef do_prctl_sme_get_vl |
6488 | #define do_prctl_sme_get_vl do_prctl_inval0 | |
6489 | #endif | |
6490 | #ifndef do_prctl_sme_set_vl | |
6491 | #define do_prctl_sme_set_vl do_prctl_inval1 | |
6492 | #endif | |
87e9bf23 RH |
6493 | |
6494 | static abi_long do_prctl(CPUArchState *env, abi_long option, abi_long arg2, | |
6495 | abi_long arg3, abi_long arg4, abi_long arg5) | |
6496 | { | |
6497 | abi_long ret; | |
6498 | ||
6499 | switch (option) { | |
6500 | case PR_GET_PDEATHSIG: | |
6501 | { | |
6502 | int deathsig; | |
6503 | ret = get_errno(prctl(PR_GET_PDEATHSIG, &deathsig, | |
6504 | arg3, arg4, arg5)); | |
1edebb36 RH |
6505 | if (!is_error(ret) && |
6506 | put_user_s32(host_to_target_signal(deathsig), arg2)) { | |
87e9bf23 RH |
6507 | return -TARGET_EFAULT; |
6508 | } | |
6509 | return ret; | |
6510 | } | |
f746c659 RH |
6511 | case PR_SET_PDEATHSIG: |
6512 | return get_errno(prctl(PR_SET_PDEATHSIG, target_to_host_signal(arg2), | |
6513 | arg3, arg4, arg5)); | |
87e9bf23 RH |
6514 | case PR_GET_NAME: |
6515 | { | |
6516 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
6517 | if (!name) { | |
6518 | return -TARGET_EFAULT; | |
6519 | } | |
6520 | ret = get_errno(prctl(PR_GET_NAME, (uintptr_t)name, | |
6521 | arg3, arg4, arg5)); | |
6522 | unlock_user(name, arg2, 16); | |
6523 | return ret; | |
6524 | } | |
6525 | case PR_SET_NAME: | |
6526 | { | |
6527 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
6528 | if (!name) { | |
6529 | return -TARGET_EFAULT; | |
6530 | } | |
6531 | ret = get_errno(prctl(PR_SET_NAME, (uintptr_t)name, | |
6532 | arg3, arg4, arg5)); | |
6533 | unlock_user(name, arg2, 0); | |
6534 | return ret; | |
6535 | } | |
6536 | case PR_GET_FP_MODE: | |
6537 | return do_prctl_get_fp_mode(env); | |
6538 | case PR_SET_FP_MODE: | |
6539 | return do_prctl_set_fp_mode(env, arg2); | |
6540 | case PR_SVE_GET_VL: | |
fd72f5d0 | 6541 | return do_prctl_sve_get_vl(env); |
87e9bf23 | 6542 | case PR_SVE_SET_VL: |
fd72f5d0 | 6543 | return do_prctl_sve_set_vl(env, arg2); |
24d87c18 RH |
6544 | case PR_SME_GET_VL: |
6545 | return do_prctl_sme_get_vl(env); | |
6546 | case PR_SME_SET_VL: | |
6547 | return do_prctl_sme_set_vl(env, arg2); | |
87e9bf23 RH |
6548 | case PR_PAC_RESET_KEYS: |
6549 | if (arg3 || arg4 || arg5) { | |
6550 | return -TARGET_EINVAL; | |
6551 | } | |
6552 | return do_prctl_reset_keys(env, arg2); | |
6553 | case PR_SET_TAGGED_ADDR_CTRL: | |
6554 | if (arg3 || arg4 || arg5) { | |
6555 | return -TARGET_EINVAL; | |
6556 | } | |
6557 | return do_prctl_set_tagged_addr_ctrl(env, arg2); | |
6558 | case PR_GET_TAGGED_ADDR_CTRL: | |
6559 | if (arg2 || arg3 || arg4 || arg5) { | |
6560 | return -TARGET_EINVAL; | |
6561 | } | |
6562 | return do_prctl_get_tagged_addr_ctrl(env); | |
220717a6 | 6563 | |
6e8dcacd RH |
6564 | case PR_GET_UNALIGN: |
6565 | return do_prctl_get_unalign(env, arg2); | |
6566 | case PR_SET_UNALIGN: | |
6567 | return do_prctl_set_unalign(env, arg2); | |
6568 | ||
4f4e5567 RH |
6569 | case PR_CAP_AMBIENT: |
6570 | case PR_CAPBSET_READ: | |
6571 | case PR_CAPBSET_DROP: | |
220717a6 RH |
6572 | case PR_GET_DUMPABLE: |
6573 | case PR_SET_DUMPABLE: | |
6574 | case PR_GET_KEEPCAPS: | |
6575 | case PR_SET_KEEPCAPS: | |
4f4e5567 RH |
6576 | case PR_GET_SECUREBITS: |
6577 | case PR_SET_SECUREBITS: | |
220717a6 RH |
6578 | case PR_GET_TIMING: |
6579 | case PR_SET_TIMING: | |
6580 | case PR_GET_TIMERSLACK: | |
6581 | case PR_SET_TIMERSLACK: | |
6582 | case PR_MCE_KILL: | |
6583 | case PR_MCE_KILL_GET: | |
6584 | case PR_GET_NO_NEW_PRIVS: | |
6585 | case PR_SET_NO_NEW_PRIVS: | |
6586 | case PR_GET_IO_FLUSHER: | |
6587 | case PR_SET_IO_FLUSHER: | |
6588 | /* Some prctl options have no pointer arguments and we can pass on. */ | |
6589 | return get_errno(prctl(option, arg2, arg3, arg4, arg5)); | |
6590 | ||
6591 | case PR_GET_CHILD_SUBREAPER: | |
6592 | case PR_SET_CHILD_SUBREAPER: | |
6593 | case PR_GET_SPECULATION_CTRL: | |
6594 | case PR_SET_SPECULATION_CTRL: | |
6595 | case PR_GET_TID_ADDRESS: | |
6596 | /* TODO */ | |
6597 | return -TARGET_EINVAL; | |
6598 | ||
6599 | case PR_GET_FPEXC: | |
6600 | case PR_SET_FPEXC: | |
6601 | /* Was used for SPE on PowerPC. */ | |
6602 | return -TARGET_EINVAL; | |
6603 | ||
6604 | case PR_GET_ENDIAN: | |
6605 | case PR_SET_ENDIAN: | |
6606 | case PR_GET_FPEMU: | |
6607 | case PR_SET_FPEMU: | |
6608 | case PR_SET_MM: | |
87e9bf23 RH |
6609 | case PR_GET_SECCOMP: |
6610 | case PR_SET_SECCOMP: | |
220717a6 RH |
6611 | case PR_SET_SYSCALL_USER_DISPATCH: |
6612 | case PR_GET_THP_DISABLE: | |
6613 | case PR_SET_THP_DISABLE: | |
6614 | case PR_GET_TSC: | |
6615 | case PR_SET_TSC: | |
220717a6 | 6616 | /* Disable to prevent the target disabling stuff we need. */ |
87e9bf23 | 6617 | return -TARGET_EINVAL; |
220717a6 | 6618 | |
87e9bf23 | 6619 | default: |
220717a6 RH |
6620 | qemu_log_mask(LOG_UNIMP, "Unsupported prctl: " TARGET_ABI_FMT_ld "\n", |
6621 | option); | |
6622 | return -TARGET_EINVAL; | |
87e9bf23 RH |
6623 | } |
6624 | } | |
6625 | ||
05098a93 | 6626 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 6627 | |
d865bab5 PB |
6628 | |
6629 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
6630 | typedef struct { | |
9349b4f9 | 6631 | CPUArchState *env; |
d865bab5 PB |
6632 | pthread_mutex_t mutex; |
6633 | pthread_cond_t cond; | |
6634 | pthread_t thread; | |
6635 | uint32_t tid; | |
6636 | abi_ulong child_tidptr; | |
6637 | abi_ulong parent_tidptr; | |
6638 | sigset_t sigmask; | |
6639 | } new_thread_info; | |
6640 | ||
6641 | static void *clone_func(void *arg) | |
6642 | { | |
6643 | new_thread_info *info = arg; | |
9349b4f9 | 6644 | CPUArchState *env; |
0d34282f | 6645 | CPUState *cpu; |
edf8e2af | 6646 | TaskState *ts; |
d865bab5 | 6647 | |
70903763 | 6648 | rcu_register_thread(); |
3468b59e | 6649 | tcg_register_thread(); |
d865bab5 | 6650 | env = info->env; |
29a0af61 | 6651 | cpu = env_cpu(env); |
a2247f8e | 6652 | thread_cpu = cpu; |
0429a971 | 6653 | ts = (TaskState *)cpu->opaque; |
71ba74f6 | 6654 | info->tid = sys_gettid(); |
edf8e2af | 6655 | task_settid(ts); |
d865bab5 PB |
6656 | if (info->child_tidptr) |
6657 | put_user_u32(info->tid, info->child_tidptr); | |
6658 | if (info->parent_tidptr) | |
6659 | put_user_u32(info->tid, info->parent_tidptr); | |
5ebdd774 | 6660 | qemu_guest_random_seed_thread_part2(cpu->random_seed); |
d865bab5 PB |
6661 | /* Enable signals. */ |
6662 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
6663 | /* Signal to the parent that we're ready. */ | |
6664 | pthread_mutex_lock(&info->mutex); | |
6665 | pthread_cond_broadcast(&info->cond); | |
6666 | pthread_mutex_unlock(&info->mutex); | |
a4dd3d51 | 6667 | /* Wait until the parent has finished initializing the tls state. */ |
d865bab5 PB |
6668 | pthread_mutex_lock(&clone_lock); |
6669 | pthread_mutex_unlock(&clone_lock); | |
6670 | cpu_loop(env); | |
6671 | /* never exits */ | |
6672 | return NULL; | |
6673 | } | |
1b6b029e | 6674 | |
0da46a6e TS |
6675 | /* do_fork() Must return host values and target errnos (unlike most |
6676 | do_*() functions). */ | |
9349b4f9 | 6677 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
6678 | abi_ulong parent_tidptr, target_ulong newtls, |
6679 | abi_ulong child_tidptr) | |
1b6b029e | 6680 | { |
29a0af61 | 6681 | CPUState *cpu = env_cpu(env); |
1b6b029e | 6682 | int ret; |
5cd4393b | 6683 | TaskState *ts; |
0429a971 | 6684 | CPUState *new_cpu; |
9349b4f9 | 6685 | CPUArchState *new_env; |
d865bab5 | 6686 | sigset_t sigmask; |
3b46e624 | 6687 | |
5ea2fc84 PM |
6688 | flags &= ~CLONE_IGNORED_FLAGS; |
6689 | ||
436d124b AZ |
6690 | /* Emulate vfork() with fork() */ |
6691 | if (flags & CLONE_VFORK) | |
6692 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
6693 | ||
1b6b029e | 6694 | if (flags & CLONE_VM) { |
0429a971 | 6695 | TaskState *parent_ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
6696 | new_thread_info info; |
6697 | pthread_attr_t attr; | |
24cb36a6 | 6698 | |
5ea2fc84 PM |
6699 | if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) || |
6700 | (flags & CLONE_INVALID_THREAD_FLAGS)) { | |
6701 | return -TARGET_EINVAL; | |
6702 | } | |
6703 | ||
c78d65e8 | 6704 | ts = g_new0(TaskState, 1); |
624f7979 | 6705 | init_task_state(ts); |
73a988d9 MF |
6706 | |
6707 | /* Grab a mutex so that thread setup appears atomic. */ | |
6708 | pthread_mutex_lock(&clone_lock); | |
6709 | ||
6cc9d67c RH |
6710 | /* |
6711 | * If this is our first additional thread, we need to ensure we | |
6712 | * generate code for parallel execution and flush old translations. | |
6713 | * Do this now so that the copy gets CF_PARALLEL too. | |
6714 | */ | |
6715 | if (!(cpu->tcg_cflags & CF_PARALLEL)) { | |
6716 | cpu->tcg_cflags |= CF_PARALLEL; | |
6717 | tb_flush(cpu); | |
6718 | } | |
6719 | ||
1b6b029e | 6720 | /* we create a new CPU instance. */ |
c5be9f08 | 6721 | new_env = cpu_copy(env); |
6e68e076 | 6722 | /* Init regs that differ from the parent. */ |
608999d1 | 6723 | cpu_clone_regs_child(new_env, newsp, flags); |
07a6ecf4 | 6724 | cpu_clone_regs_parent(env, flags); |
29a0af61 | 6725 | new_cpu = env_cpu(new_env); |
0429a971 | 6726 | new_cpu->opaque = ts; |
edf8e2af MW |
6727 | ts->bprm = parent_ts->bprm; |
6728 | ts->info = parent_ts->info; | |
3d3efba0 | 6729 | ts->signal_mask = parent_ts->signal_mask; |
d865bab5 | 6730 | |
7cfbd386 | 6731 | if (flags & CLONE_CHILD_CLEARTID) { |
c2764719 PB |
6732 | ts->child_tidptr = child_tidptr; |
6733 | } | |
6734 | ||
7cfbd386 | 6735 | if (flags & CLONE_SETTLS) { |
d865bab5 | 6736 | cpu_set_tls (new_env, newtls); |
7cfbd386 | 6737 | } |
d865bab5 | 6738 | |
d865bab5 PB |
6739 | memset(&info, 0, sizeof(info)); |
6740 | pthread_mutex_init(&info.mutex, NULL); | |
6741 | pthread_mutex_lock(&info.mutex); | |
6742 | pthread_cond_init(&info.cond, NULL); | |
6743 | info.env = new_env; | |
7cfbd386 | 6744 | if (flags & CLONE_CHILD_SETTID) { |
d865bab5 | 6745 | info.child_tidptr = child_tidptr; |
7cfbd386 PM |
6746 | } |
6747 | if (flags & CLONE_PARENT_SETTID) { | |
d865bab5 | 6748 | info.parent_tidptr = parent_tidptr; |
7cfbd386 | 6749 | } |
d865bab5 PB |
6750 | |
6751 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
6752 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
6753 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
6754 | /* It is not safe to deliver signals until the child has finished |
6755 | initializing, so temporarily block all signals. */ | |
6756 | sigfillset(&sigmask); | |
6757 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
5ebdd774 | 6758 | cpu->random_seed = qemu_guest_random_seed_thread_part1(); |
d865bab5 PB |
6759 | |
6760 | ret = pthread_create(&info.thread, &attr, clone_func, &info); | |
c2764719 | 6761 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
6762 | |
6763 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
6764 | pthread_attr_destroy(&attr); | |
6765 | if (ret == 0) { | |
6766 | /* Wait for the child to initialize. */ | |
6767 | pthread_cond_wait(&info.cond, &info.mutex); | |
6768 | ret = info.tid; | |
d865bab5 PB |
6769 | } else { |
6770 | ret = -1; | |
6771 | } | |
6772 | pthread_mutex_unlock(&info.mutex); | |
6773 | pthread_cond_destroy(&info.cond); | |
6774 | pthread_mutex_destroy(&info.mutex); | |
6775 | pthread_mutex_unlock(&clone_lock); | |
1b6b029e FB |
6776 | } else { |
6777 | /* if no CLONE_VM, we consider it is a fork */ | |
5ea2fc84 PM |
6778 | if (flags & CLONE_INVALID_FORK_FLAGS) { |
6779 | return -TARGET_EINVAL; | |
6780 | } | |
6781 | ||
6782 | /* We can't support custom termination signals */ | |
6783 | if ((flags & CSIGNAL) != TARGET_SIGCHLD) { | |
93b4eff8 TB |
6784 | return -TARGET_EINVAL; |
6785 | } | |
7d92d34e | 6786 | |
895ce8bb HD |
6787 | #if !defined(__NR_pidfd_open) || !defined(TARGET_NR_pidfd_open) |
6788 | if (flags & CLONE_PIDFD) { | |
6789 | return -TARGET_EINVAL; | |
6790 | } | |
6791 | #endif | |
6792 | ||
6793 | /* Can not allow CLONE_PIDFD with CLONE_PARENT_SETTID */ | |
6794 | if ((flags & CLONE_PIDFD) && (flags & CLONE_PARENT_SETTID)) { | |
6795 | return -TARGET_EINVAL; | |
6796 | } | |
6797 | ||
7d92d34e | 6798 | if (block_signals()) { |
af254a27 | 6799 | return -QEMU_ERESTARTSYS; |
7d92d34e TB |
6800 | } |
6801 | ||
d865bab5 | 6802 | fork_start(); |
1b6b029e | 6803 | ret = fork(); |
d865bab5 | 6804 | if (ret == 0) { |
2b1319c8 | 6805 | /* Child Process. */ |
608999d1 | 6806 | cpu_clone_regs_child(env, newsp, flags); |
d865bab5 | 6807 | fork_end(1); |
2b1319c8 AJ |
6808 | /* There is a race condition here. The parent process could |
6809 | theoretically read the TID in the child process before the child | |
6810 | tid is set. This would require using either ptrace | |
6811 | (not implemented) or having *_tidptr to point at a shared memory | |
6812 | mapping. We can't repeat the spinlock hack used above because | |
6813 | the child process gets its own copy of the lock. */ | |
d865bab5 | 6814 | if (flags & CLONE_CHILD_SETTID) |
71ba74f6 | 6815 | put_user_u32(sys_gettid(), child_tidptr); |
d865bab5 | 6816 | if (flags & CLONE_PARENT_SETTID) |
71ba74f6 | 6817 | put_user_u32(sys_gettid(), parent_tidptr); |
0429a971 | 6818 | ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
6819 | if (flags & CLONE_SETTLS) |
6820 | cpu_set_tls (env, newtls); | |
c2764719 PB |
6821 | if (flags & CLONE_CHILD_CLEARTID) |
6822 | ts->child_tidptr = child_tidptr; | |
d865bab5 | 6823 | } else { |
07a6ecf4 | 6824 | cpu_clone_regs_parent(env, flags); |
895ce8bb HD |
6825 | if (flags & CLONE_PIDFD) { |
6826 | int pid_fd = 0; | |
6827 | #if defined(__NR_pidfd_open) && defined(TARGET_NR_pidfd_open) | |
6828 | int pid_child = ret; | |
6829 | pid_fd = pidfd_open(pid_child, 0); | |
6830 | if (pid_fd >= 0) { | |
6831 | fcntl(pid_fd, F_SETFD, fcntl(pid_fd, F_GETFL) | |
6832 | | FD_CLOEXEC); | |
6833 | } else { | |
6834 | pid_fd = 0; | |
6835 | } | |
6836 | #endif | |
6837 | put_user_u32(pid_fd, parent_tidptr); | |
6838 | } | |
d865bab5 PB |
6839 | fork_end(0); |
6840 | } | |
7de0816f | 6841 | g_assert(!cpu_in_exclusive_context(cpu)); |
1b6b029e FB |
6842 | } |
6843 | return ret; | |
6844 | } | |
6845 | ||
5f106811 APR |
6846 | /* warning : doesn't handle linux specific flags... */ |
6847 | static int target_to_host_fcntl_cmd(int cmd) | |
6848 | { | |
4a545761 SB |
6849 | int ret; |
6850 | ||
5f106811 | 6851 | switch(cmd) { |
4a545761 SB |
6852 | case TARGET_F_DUPFD: |
6853 | case TARGET_F_GETFD: | |
6854 | case TARGET_F_SETFD: | |
6855 | case TARGET_F_GETFL: | |
6856 | case TARGET_F_SETFL: | |
2d92c682 AS |
6857 | case TARGET_F_OFD_GETLK: |
6858 | case TARGET_F_OFD_SETLK: | |
6859 | case TARGET_F_OFD_SETLKW: | |
4a545761 SB |
6860 | ret = cmd; |
6861 | break; | |
6862 | case TARGET_F_GETLK: | |
6863 | ret = F_GETLK64; | |
6864 | break; | |
6865 | case TARGET_F_SETLK: | |
6866 | ret = F_SETLK64; | |
6867 | break; | |
6868 | case TARGET_F_SETLKW: | |
6869 | ret = F_SETLKW64; | |
6870 | break; | |
6871 | case TARGET_F_GETOWN: | |
6872 | ret = F_GETOWN; | |
6873 | break; | |
6874 | case TARGET_F_SETOWN: | |
6875 | ret = F_SETOWN; | |
6876 | break; | |
6877 | case TARGET_F_GETSIG: | |
6878 | ret = F_GETSIG; | |
6879 | break; | |
6880 | case TARGET_F_SETSIG: | |
6881 | ret = F_SETSIG; | |
6882 | break; | |
5f106811 | 6883 | #if TARGET_ABI_BITS == 32 |
4a545761 SB |
6884 | case TARGET_F_GETLK64: |
6885 | ret = F_GETLK64; | |
6886 | break; | |
6887 | case TARGET_F_SETLK64: | |
6888 | ret = F_SETLK64; | |
6889 | break; | |
6890 | case TARGET_F_SETLKW64: | |
6891 | ret = F_SETLKW64; | |
6892 | break; | |
5f106811 | 6893 | #endif |
4a545761 SB |
6894 | case TARGET_F_SETLEASE: |
6895 | ret = F_SETLEASE; | |
6896 | break; | |
6897 | case TARGET_F_GETLEASE: | |
6898 | ret = F_GETLEASE; | |
6899 | break; | |
fbd5de9b | 6900 | #ifdef F_DUPFD_CLOEXEC |
4a545761 SB |
6901 | case TARGET_F_DUPFD_CLOEXEC: |
6902 | ret = F_DUPFD_CLOEXEC; | |
6903 | break; | |
fbd5de9b | 6904 | #endif |
4a545761 SB |
6905 | case TARGET_F_NOTIFY: |
6906 | ret = F_NOTIFY; | |
6907 | break; | |
8d5d3004 | 6908 | #ifdef F_GETOWN_EX |
4a545761 SB |
6909 | case TARGET_F_GETOWN_EX: |
6910 | ret = F_GETOWN_EX; | |
6911 | break; | |
8d5d3004 AS |
6912 | #endif |
6913 | #ifdef F_SETOWN_EX | |
4a545761 SB |
6914 | case TARGET_F_SETOWN_EX: |
6915 | ret = F_SETOWN_EX; | |
6916 | break; | |
8d5d3004 | 6917 | #endif |
ddf31aa8 | 6918 | #ifdef F_SETPIPE_SZ |
4a545761 SB |
6919 | case TARGET_F_SETPIPE_SZ: |
6920 | ret = F_SETPIPE_SZ; | |
6921 | break; | |
6922 | case TARGET_F_GETPIPE_SZ: | |
6923 | ret = F_GETPIPE_SZ; | |
6924 | break; | |
2bb963ff SCW |
6925 | #endif |
6926 | #ifdef F_ADD_SEALS | |
6927 | case TARGET_F_ADD_SEALS: | |
6928 | ret = F_ADD_SEALS; | |
6929 | break; | |
6930 | case TARGET_F_GET_SEALS: | |
6931 | ret = F_GET_SEALS; | |
6932 | break; | |
ddf31aa8 | 6933 | #endif |
4a545761 SB |
6934 | default: |
6935 | ret = -TARGET_EINVAL; | |
6936 | break; | |
6937 | } | |
6938 | ||
6939 | #if defined(__powerpc64__) | |
6940 | /* On PPC64, glibc headers has the F_*LK* defined to 12, 13 and 14 and | |
6941 | * is not supported by kernel. The glibc fcntl call actually adjusts | |
6942 | * them to 5, 6 and 7 before making the syscall(). Since we make the | |
6943 | * syscall directly, adjust to what is supported by the kernel. | |
6944 | */ | |
6945 | if (ret >= F_GETLK64 && ret <= F_SETLKW64) { | |
6946 | ret -= F_GETLK64 - 5; | |
5f106811 | 6947 | } |
4a545761 SB |
6948 | #endif |
6949 | ||
6950 | return ret; | |
5f106811 APR |
6951 | } |
6952 | ||
ae68ad9f LV |
6953 | #define FLOCK_TRANSTBL \ |
6954 | switch (type) { \ | |
6955 | TRANSTBL_CONVERT(F_RDLCK); \ | |
6956 | TRANSTBL_CONVERT(F_WRLCK); \ | |
6957 | TRANSTBL_CONVERT(F_UNLCK); \ | |
ae68ad9f LV |
6958 | } |
6959 | ||
6960 | static int target_to_host_flock(int type) | |
6961 | { | |
6962 | #define TRANSTBL_CONVERT(a) case TARGET_##a: return a | |
6963 | FLOCK_TRANSTBL | |
6964 | #undef TRANSTBL_CONVERT | |
6965 | return -TARGET_EINVAL; | |
6966 | } | |
6967 | ||
6968 | static int host_to_target_flock(int type) | |
6969 | { | |
6970 | #define TRANSTBL_CONVERT(a) case a: return TARGET_##a | |
6971 | FLOCK_TRANSTBL | |
6972 | #undef TRANSTBL_CONVERT | |
6973 | /* if we don't know how to convert the value coming | |
6974 | * from the host we copy to the target field as-is | |
6975 | */ | |
6976 | return type; | |
6977 | } | |
2ba7f730 | 6978 | |
213d3e9e PM |
6979 | static inline abi_long copy_from_user_flock(struct flock64 *fl, |
6980 | abi_ulong target_flock_addr) | |
7775e9ec | 6981 | { |
53a5960a | 6982 | struct target_flock *target_fl; |
ae68ad9f | 6983 | int l_type; |
213d3e9e PM |
6984 | |
6985 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6986 | return -TARGET_EFAULT; | |
6987 | } | |
6988 | ||
6989 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6990 | l_type = target_to_host_flock(l_type); |
6991 | if (l_type < 0) { | |
6992 | return l_type; | |
6993 | } | |
6994 | fl->l_type = l_type; | |
213d3e9e PM |
6995 | __get_user(fl->l_whence, &target_fl->l_whence); |
6996 | __get_user(fl->l_start, &target_fl->l_start); | |
6997 | __get_user(fl->l_len, &target_fl->l_len); | |
6998 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6999 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
7000 | return 0; | |
7001 | } | |
7002 | ||
7003 | static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr, | |
7004 | const struct flock64 *fl) | |
7005 | { | |
7006 | struct target_flock *target_fl; | |
7007 | short l_type; | |
7008 | ||
7009 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
7010 | return -TARGET_EFAULT; | |
7011 | } | |
7012 | ||
ae68ad9f | 7013 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
7014 | __put_user(l_type, &target_fl->l_type); |
7015 | __put_user(fl->l_whence, &target_fl->l_whence); | |
7016 | __put_user(fl->l_start, &target_fl->l_start); | |
7017 | __put_user(fl->l_len, &target_fl->l_len); | |
7018 | __put_user(fl->l_pid, &target_fl->l_pid); | |
7019 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
7020 | return 0; | |
7021 | } | |
7022 | ||
7023 | typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr); | |
7024 | typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl); | |
7025 | ||
7026 | #if defined(TARGET_ARM) && TARGET_ABI_BITS == 32 | |
ffe81d43 RH |
7027 | struct target_oabi_flock64 { |
7028 | abi_short l_type; | |
7029 | abi_short l_whence; | |
7030 | abi_llong l_start; | |
7031 | abi_llong l_len; | |
7032 | abi_int l_pid; | |
7033 | } QEMU_PACKED; | |
7034 | ||
7f254c5c | 7035 | static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl, |
213d3e9e PM |
7036 | abi_ulong target_flock_addr) |
7037 | { | |
7f254c5c | 7038 | struct target_oabi_flock64 *target_fl; |
ae68ad9f | 7039 | int l_type; |
213d3e9e PM |
7040 | |
7041 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
7042 | return -TARGET_EFAULT; | |
7043 | } | |
7044 | ||
7045 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
7046 | l_type = target_to_host_flock(l_type); |
7047 | if (l_type < 0) { | |
7048 | return l_type; | |
7049 | } | |
7050 | fl->l_type = l_type; | |
213d3e9e PM |
7051 | __get_user(fl->l_whence, &target_fl->l_whence); |
7052 | __get_user(fl->l_start, &target_fl->l_start); | |
7053 | __get_user(fl->l_len, &target_fl->l_len); | |
7054 | __get_user(fl->l_pid, &target_fl->l_pid); | |
7055 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
7056 | return 0; | |
7057 | } | |
7058 | ||
7f254c5c | 7059 | static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr, |
213d3e9e PM |
7060 | const struct flock64 *fl) |
7061 | { | |
7f254c5c | 7062 | struct target_oabi_flock64 *target_fl; |
213d3e9e PM |
7063 | short l_type; |
7064 | ||
7065 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
7066 | return -TARGET_EFAULT; | |
7067 | } | |
7068 | ||
ae68ad9f | 7069 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
7070 | __put_user(l_type, &target_fl->l_type); |
7071 | __put_user(fl->l_whence, &target_fl->l_whence); | |
7072 | __put_user(fl->l_start, &target_fl->l_start); | |
7073 | __put_user(fl->l_len, &target_fl->l_len); | |
7074 | __put_user(fl->l_pid, &target_fl->l_pid); | |
7075 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
7076 | return 0; | |
7077 | } | |
7078 | #endif | |
7079 | ||
7080 | static inline abi_long copy_from_user_flock64(struct flock64 *fl, | |
7081 | abi_ulong target_flock_addr) | |
7082 | { | |
7083 | struct target_flock64 *target_fl; | |
ae68ad9f | 7084 | int l_type; |
213d3e9e PM |
7085 | |
7086 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
7087 | return -TARGET_EFAULT; | |
7088 | } | |
7089 | ||
7090 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
7091 | l_type = target_to_host_flock(l_type); |
7092 | if (l_type < 0) { | |
7093 | return l_type; | |
7094 | } | |
7095 | fl->l_type = l_type; | |
213d3e9e PM |
7096 | __get_user(fl->l_whence, &target_fl->l_whence); |
7097 | __get_user(fl->l_start, &target_fl->l_start); | |
7098 | __get_user(fl->l_len, &target_fl->l_len); | |
7099 | __get_user(fl->l_pid, &target_fl->l_pid); | |
7100 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
7101 | return 0; | |
7102 | } | |
7103 | ||
7104 | static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr, | |
7105 | const struct flock64 *fl) | |
7106 | { | |
7107 | struct target_flock64 *target_fl; | |
7108 | short l_type; | |
7109 | ||
7110 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
7111 | return -TARGET_EFAULT; | |
7112 | } | |
7113 | ||
ae68ad9f | 7114 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
7115 | __put_user(l_type, &target_fl->l_type); |
7116 | __put_user(fl->l_whence, &target_fl->l_whence); | |
7117 | __put_user(fl->l_start, &target_fl->l_start); | |
7118 | __put_user(fl->l_len, &target_fl->l_len); | |
7119 | __put_user(fl->l_pid, &target_fl->l_pid); | |
7120 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
7121 | return 0; | |
7122 | } | |
7123 | ||
7124 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) | |
7125 | { | |
43f238d7 | 7126 | struct flock64 fl64; |
8d5d3004 AS |
7127 | #ifdef F_GETOWN_EX |
7128 | struct f_owner_ex fox; | |
7129 | struct target_f_owner_ex *target_fox; | |
7130 | #endif | |
992f48a0 | 7131 | abi_long ret; |
5f106811 APR |
7132 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
7133 | ||
7134 | if (host_cmd == -TARGET_EINVAL) | |
7135 | return host_cmd; | |
53a5960a | 7136 | |
7775e9ec FB |
7137 | switch(cmd) { |
7138 | case TARGET_F_GETLK: | |
213d3e9e PM |
7139 | ret = copy_from_user_flock(&fl64, arg); |
7140 | if (ret) { | |
7141 | return ret; | |
7142 | } | |
435da5e7 | 7143 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 7144 | if (ret == 0) { |
213d3e9e | 7145 | ret = copy_to_user_flock(arg, &fl64); |
7775e9ec FB |
7146 | } |
7147 | break; | |
3b46e624 | 7148 | |
7775e9ec FB |
7149 | case TARGET_F_SETLK: |
7150 | case TARGET_F_SETLKW: | |
213d3e9e PM |
7151 | ret = copy_from_user_flock(&fl64, arg); |
7152 | if (ret) { | |
7153 | return ret; | |
7154 | } | |
435da5e7 | 7155 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 7156 | break; |
3b46e624 | 7157 | |
7775e9ec | 7158 | case TARGET_F_GETLK64: |
2d92c682 | 7159 | case TARGET_F_OFD_GETLK: |
213d3e9e PM |
7160 | ret = copy_from_user_flock64(&fl64, arg); |
7161 | if (ret) { | |
7162 | return ret; | |
7163 | } | |
435da5e7 | 7164 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 7165 | if (ret == 0) { |
213d3e9e | 7166 | ret = copy_to_user_flock64(arg, &fl64); |
43f238d7 | 7167 | } |
9ee1fa2c | 7168 | break; |
7775e9ec FB |
7169 | case TARGET_F_SETLK64: |
7170 | case TARGET_F_SETLKW64: | |
2d92c682 AS |
7171 | case TARGET_F_OFD_SETLK: |
7172 | case TARGET_F_OFD_SETLKW: | |
213d3e9e PM |
7173 | ret = copy_from_user_flock64(&fl64, arg); |
7174 | if (ret) { | |
7175 | return ret; | |
7176 | } | |
435da5e7 | 7177 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
7178 | break; |
7179 | ||
5f106811 | 7180 | case TARGET_F_GETFL: |
435da5e7 | 7181 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
9ee1fa2c FB |
7182 | if (ret >= 0) { |
7183 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
e0ddf8ea HD |
7184 | /* tell 32-bit guests it uses largefile on 64-bit hosts: */ |
7185 | if (O_LARGEFILE == 0 && HOST_LONG_BITS == 64) { | |
7186 | ret |= TARGET_O_LARGEFILE; | |
7187 | } | |
9ee1fa2c | 7188 | } |
ffa65c3b FB |
7189 | break; |
7190 | ||
5f106811 | 7191 | case TARGET_F_SETFL: |
435da5e7 PM |
7192 | ret = get_errno(safe_fcntl(fd, host_cmd, |
7193 | target_to_host_bitmask(arg, | |
7194 | fcntl_flags_tbl))); | |
5f106811 APR |
7195 | break; |
7196 | ||
8d5d3004 AS |
7197 | #ifdef F_GETOWN_EX |
7198 | case TARGET_F_GETOWN_EX: | |
435da5e7 | 7199 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
7200 | if (ret >= 0) { |
7201 | if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0)) | |
7202 | return -TARGET_EFAULT; | |
7203 | target_fox->type = tswap32(fox.type); | |
7204 | target_fox->pid = tswap32(fox.pid); | |
7205 | unlock_user_struct(target_fox, arg, 1); | |
7206 | } | |
7207 | break; | |
7208 | #endif | |
7209 | ||
7210 | #ifdef F_SETOWN_EX | |
7211 | case TARGET_F_SETOWN_EX: | |
7212 | if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1)) | |
7213 | return -TARGET_EFAULT; | |
7214 | fox.type = tswap32(target_fox->type); | |
7215 | fox.pid = tswap32(target_fox->pid); | |
7216 | unlock_user_struct(target_fox, arg, 0); | |
435da5e7 | 7217 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
7218 | break; |
7219 | #endif | |
7220 | ||
5f106811 | 7221 | case TARGET_F_SETSIG: |
a7b4c9b1 TB |
7222 | ret = get_errno(safe_fcntl(fd, host_cmd, target_to_host_signal(arg))); |
7223 | break; | |
7224 | ||
5f106811 | 7225 | case TARGET_F_GETSIG: |
a7b4c9b1 TB |
7226 | ret = host_to_target_signal(get_errno(safe_fcntl(fd, host_cmd, arg))); |
7227 | break; | |
7228 | ||
7229 | case TARGET_F_SETOWN: | |
7230 | case TARGET_F_GETOWN: | |
7e22e546 UH |
7231 | case TARGET_F_SETLEASE: |
7232 | case TARGET_F_GETLEASE: | |
7e3b92ec PM |
7233 | case TARGET_F_SETPIPE_SZ: |
7234 | case TARGET_F_GETPIPE_SZ: | |
2bb963ff SCW |
7235 | case TARGET_F_ADD_SEALS: |
7236 | case TARGET_F_GET_SEALS: | |
435da5e7 | 7237 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
7238 | break; |
7239 | ||
7775e9ec | 7240 | default: |
435da5e7 | 7241 | ret = get_errno(safe_fcntl(fd, cmd, arg)); |
7775e9ec FB |
7242 | break; |
7243 | } | |
7244 | return ret; | |
7245 | } | |
7246 | ||
67867308 | 7247 | #ifdef USE_UID16 |
7775e9ec | 7248 | |
67867308 FB |
7249 | static inline int high2lowuid(int uid) |
7250 | { | |
7251 | if (uid > 65535) | |
7252 | return 65534; | |
7253 | else | |
7254 | return uid; | |
7255 | } | |
7256 | ||
7257 | static inline int high2lowgid(int gid) | |
7258 | { | |
7259 | if (gid > 65535) | |
7260 | return 65534; | |
7261 | else | |
7262 | return gid; | |
7263 | } | |
7264 | ||
7265 | static inline int low2highuid(int uid) | |
7266 | { | |
7267 | if ((int16_t)uid == -1) | |
7268 | return -1; | |
7269 | else | |
7270 | return uid; | |
7271 | } | |
7272 | ||
7273 | static inline int low2highgid(int gid) | |
7274 | { | |
7275 | if ((int16_t)gid == -1) | |
7276 | return -1; | |
7277 | else | |
7278 | return gid; | |
7279 | } | |
0c866a7e RV |
7280 | static inline int tswapid(int id) |
7281 | { | |
7282 | return tswap16(id); | |
7283 | } | |
76ca310a PM |
7284 | |
7285 | #define put_user_id(x, gaddr) put_user_u16(x, gaddr) | |
7286 | ||
0c866a7e RV |
7287 | #else /* !USE_UID16 */ |
7288 | static inline int high2lowuid(int uid) | |
7289 | { | |
7290 | return uid; | |
7291 | } | |
7292 | static inline int high2lowgid(int gid) | |
7293 | { | |
7294 | return gid; | |
7295 | } | |
7296 | static inline int low2highuid(int uid) | |
7297 | { | |
7298 | return uid; | |
7299 | } | |
7300 | static inline int low2highgid(int gid) | |
7301 | { | |
7302 | return gid; | |
7303 | } | |
7304 | static inline int tswapid(int id) | |
7305 | { | |
7306 | return tswap32(id); | |
7307 | } | |
76ca310a PM |
7308 | |
7309 | #define put_user_id(x, gaddr) put_user_u32(x, gaddr) | |
7310 | ||
67867308 | 7311 | #endif /* USE_UID16 */ |
1b6b029e | 7312 | |
fd6f7798 PM |
7313 | /* We must do direct syscalls for setting UID/GID, because we want to |
7314 | * implement the Linux system call semantics of "change only for this thread", | |
7315 | * not the libc/POSIX semantics of "change for all threads in process". | |
7316 | * (See http://ewontfix.com/17/ for more details.) | |
7317 | * We use the 32-bit version of the syscalls if present; if it is not | |
7318 | * then either the host architecture supports 32-bit UIDs natively with | |
7319 | * the standard syscall, or the 16-bit UID is the best we can do. | |
7320 | */ | |
7321 | #ifdef __NR_setuid32 | |
7322 | #define __NR_sys_setuid __NR_setuid32 | |
7323 | #else | |
7324 | #define __NR_sys_setuid __NR_setuid | |
7325 | #endif | |
7326 | #ifdef __NR_setgid32 | |
7327 | #define __NR_sys_setgid __NR_setgid32 | |
7328 | #else | |
7329 | #define __NR_sys_setgid __NR_setgid | |
7330 | #endif | |
7331 | #ifdef __NR_setresuid32 | |
7332 | #define __NR_sys_setresuid __NR_setresuid32 | |
7333 | #else | |
7334 | #define __NR_sys_setresuid __NR_setresuid | |
7335 | #endif | |
7336 | #ifdef __NR_setresgid32 | |
7337 | #define __NR_sys_setresgid __NR_setresgid32 | |
7338 | #else | |
7339 | #define __NR_sys_setresgid __NR_setresgid | |
7340 | #endif | |
7341 | ||
7342 | _syscall1(int, sys_setuid, uid_t, uid) | |
7343 | _syscall1(int, sys_setgid, gid_t, gid) | |
7344 | _syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) | |
7345 | _syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid) | |
7346 | ||
31e31b8a FB |
7347 | void syscall_init(void) |
7348 | { | |
2ab83ea7 FB |
7349 | IOCTLEntry *ie; |
7350 | const argtype *arg_type; | |
7351 | int size; | |
7352 | ||
8be656b8 AG |
7353 | thunk_init(STRUCT_MAX); |
7354 | ||
001faf32 | 7355 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 7356 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
7357 | #include "syscall_types.h" |
7358 | #undef STRUCT | |
7359 | #undef STRUCT_SPECIAL | |
2ab83ea7 FB |
7360 | |
7361 | /* we patch the ioctl size if necessary. We rely on the fact that | |
7362 | no ioctl has all the bits at '1' in the size field */ | |
7363 | ie = ioctl_entries; | |
7364 | while (ie->target_cmd != 0) { | |
7365 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
7366 | TARGET_IOC_SIZEMASK) { | |
7367 | arg_type = ie->arg_type; | |
7368 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 7369 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
7370 | ie->target_cmd); |
7371 | exit(1); | |
7372 | } | |
7373 | arg_type++; | |
7374 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 7375 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
7376 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
7377 | (size << TARGET_IOC_SIZESHIFT); | |
7378 | } | |
b92c47c1 | 7379 | |
2ab83ea7 | 7380 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
7381 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
7382 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
7383 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
7384 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
7385 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
7386 | } |
7387 | #endif | |
7388 | ie++; | |
7389 | } | |
31e31b8a | 7390 | } |
c573ff67 | 7391 | |
ce4defa0 | 7392 | #ifdef TARGET_NR_truncate64 |
a0939b89 | 7393 | static inline abi_long target_truncate64(CPUArchState *cpu_env, const char *arg1, |
992f48a0 BS |
7394 | abi_long arg2, |
7395 | abi_long arg3, | |
7396 | abi_long arg4) | |
ce4defa0 | 7397 | { |
8bf8e9df | 7398 | if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) { |
ce4defa0 PB |
7399 | arg2 = arg3; |
7400 | arg3 = arg4; | |
48e515d4 | 7401 | } |
ce4defa0 PB |
7402 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
7403 | } | |
7404 | #endif | |
7405 | ||
7406 | #ifdef TARGET_NR_ftruncate64 | |
a0939b89 | 7407 | static inline abi_long target_ftruncate64(CPUArchState *cpu_env, abi_long arg1, |
992f48a0 BS |
7408 | abi_long arg2, |
7409 | abi_long arg3, | |
7410 | abi_long arg4) | |
ce4defa0 | 7411 | { |
8bf8e9df | 7412 | if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) { |
ce4defa0 PB |
7413 | arg2 = arg3; |
7414 | arg3 = arg4; | |
48e515d4 | 7415 | } |
ce4defa0 PB |
7416 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
7417 | } | |
7418 | #endif | |
7419 | ||
859e8a89 AF |
7420 | #if defined(TARGET_NR_timer_settime) || \ |
7421 | (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)) | |
2c86c90f | 7422 | static inline abi_long target_to_host_itimerspec(struct itimerspec *host_its, |
f4f1e10a ECL |
7423 | abi_ulong target_addr) |
7424 | { | |
2c86c90f FB |
7425 | if (target_to_host_timespec(&host_its->it_interval, target_addr + |
7426 | offsetof(struct target_itimerspec, | |
7427 | it_interval)) || | |
7428 | target_to_host_timespec(&host_its->it_value, target_addr + | |
7429 | offsetof(struct target_itimerspec, | |
7430 | it_value))) { | |
f4f1e10a ECL |
7431 | return -TARGET_EFAULT; |
7432 | } | |
7433 | ||
f4f1e10a ECL |
7434 | return 0; |
7435 | } | |
859e8a89 | 7436 | #endif |
f4f1e10a | 7437 | |
828cb3a1 FB |
7438 | #if defined(TARGET_NR_timer_settime64) || \ |
7439 | (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)) | |
7440 | static inline abi_long target_to_host_itimerspec64(struct itimerspec *host_its, | |
7441 | abi_ulong target_addr) | |
7442 | { | |
7443 | if (target_to_host_timespec64(&host_its->it_interval, target_addr + | |
7444 | offsetof(struct target__kernel_itimerspec, | |
7445 | it_interval)) || | |
7446 | target_to_host_timespec64(&host_its->it_value, target_addr + | |
7447 | offsetof(struct target__kernel_itimerspec, | |
7448 | it_value))) { | |
7449 | return -TARGET_EFAULT; | |
7450 | } | |
7451 | ||
7452 | return 0; | |
7453 | } | |
7454 | #endif | |
7455 | ||
859e8a89 AF |
7456 | #if ((defined(TARGET_NR_timerfd_gettime) || \ |
7457 | defined(TARGET_NR_timerfd_settime)) && defined(CONFIG_TIMERFD)) || \ | |
2c86c90f | 7458 | defined(TARGET_NR_timer_gettime) || defined(TARGET_NR_timer_settime) |
f4f1e10a | 7459 | static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, |
2c86c90f FB |
7460 | struct itimerspec *host_its) |
7461 | { | |
7462 | if (host_to_target_timespec(target_addr + offsetof(struct target_itimerspec, | |
7463 | it_interval), | |
7464 | &host_its->it_interval) || | |
7465 | host_to_target_timespec(target_addr + offsetof(struct target_itimerspec, | |
7466 | it_value), | |
7467 | &host_its->it_value)) { | |
f4f1e10a ECL |
7468 | return -TARGET_EFAULT; |
7469 | } | |
f4f1e10a ECL |
7470 | return 0; |
7471 | } | |
859e8a89 | 7472 | #endif |
f4f1e10a | 7473 | |
828cb3a1 FB |
7474 | #if ((defined(TARGET_NR_timerfd_gettime64) || \ |
7475 | defined(TARGET_NR_timerfd_settime64)) && defined(CONFIG_TIMERFD)) || \ | |
7476 | defined(TARGET_NR_timer_gettime64) || defined(TARGET_NR_timer_settime64) | |
7477 | static inline abi_long host_to_target_itimerspec64(abi_ulong target_addr, | |
7478 | struct itimerspec *host_its) | |
7479 | { | |
7480 | if (host_to_target_timespec64(target_addr + | |
7481 | offsetof(struct target__kernel_itimerspec, | |
7482 | it_interval), | |
7483 | &host_its->it_interval) || | |
7484 | host_to_target_timespec64(target_addr + | |
7485 | offsetof(struct target__kernel_itimerspec, | |
7486 | it_value), | |
7487 | &host_its->it_value)) { | |
7488 | return -TARGET_EFAULT; | |
7489 | } | |
7490 | return 0; | |
7491 | } | |
7492 | #endif | |
7493 | ||
859e8a89 AF |
7494 | #if defined(TARGET_NR_adjtimex) || \ |
7495 | (defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME)) | |
19f59bce AM |
7496 | static inline abi_long target_to_host_timex(struct timex *host_tx, |
7497 | abi_long target_addr) | |
7498 | { | |
7499 | struct target_timex *target_tx; | |
7500 | ||
7501 | if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) { | |
7502 | return -TARGET_EFAULT; | |
7503 | } | |
7504 | ||
7505 | __get_user(host_tx->modes, &target_tx->modes); | |
7506 | __get_user(host_tx->offset, &target_tx->offset); | |
7507 | __get_user(host_tx->freq, &target_tx->freq); | |
7508 | __get_user(host_tx->maxerror, &target_tx->maxerror); | |
7509 | __get_user(host_tx->esterror, &target_tx->esterror); | |
7510 | __get_user(host_tx->status, &target_tx->status); | |
7511 | __get_user(host_tx->constant, &target_tx->constant); | |
7512 | __get_user(host_tx->precision, &target_tx->precision); | |
7513 | __get_user(host_tx->tolerance, &target_tx->tolerance); | |
7514 | __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
7515 | __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
7516 | __get_user(host_tx->tick, &target_tx->tick); | |
7517 | __get_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7518 | __get_user(host_tx->jitter, &target_tx->jitter); | |
7519 | __get_user(host_tx->shift, &target_tx->shift); | |
7520 | __get_user(host_tx->stabil, &target_tx->stabil); | |
7521 | __get_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7522 | __get_user(host_tx->calcnt, &target_tx->calcnt); | |
7523 | __get_user(host_tx->errcnt, &target_tx->errcnt); | |
7524 | __get_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7525 | __get_user(host_tx->tai, &target_tx->tai); | |
7526 | ||
7527 | unlock_user_struct(target_tx, target_addr, 0); | |
7528 | return 0; | |
7529 | } | |
7530 | ||
7531 | static inline abi_long host_to_target_timex(abi_long target_addr, | |
7532 | struct timex *host_tx) | |
7533 | { | |
7534 | struct target_timex *target_tx; | |
7535 | ||
7536 | if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) { | |
7537 | return -TARGET_EFAULT; | |
7538 | } | |
7539 | ||
7540 | __put_user(host_tx->modes, &target_tx->modes); | |
7541 | __put_user(host_tx->offset, &target_tx->offset); | |
7542 | __put_user(host_tx->freq, &target_tx->freq); | |
7543 | __put_user(host_tx->maxerror, &target_tx->maxerror); | |
7544 | __put_user(host_tx->esterror, &target_tx->esterror); | |
7545 | __put_user(host_tx->status, &target_tx->status); | |
7546 | __put_user(host_tx->constant, &target_tx->constant); | |
7547 | __put_user(host_tx->precision, &target_tx->precision); | |
7548 | __put_user(host_tx->tolerance, &target_tx->tolerance); | |
7549 | __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
7550 | __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
7551 | __put_user(host_tx->tick, &target_tx->tick); | |
7552 | __put_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7553 | __put_user(host_tx->jitter, &target_tx->jitter); | |
7554 | __put_user(host_tx->shift, &target_tx->shift); | |
7555 | __put_user(host_tx->stabil, &target_tx->stabil); | |
7556 | __put_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7557 | __put_user(host_tx->calcnt, &target_tx->calcnt); | |
7558 | __put_user(host_tx->errcnt, &target_tx->errcnt); | |
7559 | __put_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7560 | __put_user(host_tx->tai, &target_tx->tai); | |
7561 | ||
7562 | unlock_user_struct(target_tx, target_addr, 1); | |
7563 | return 0; | |
7564 | } | |
859e8a89 | 7565 | #endif |
19f59bce | 7566 | |
6ac03b2c FB |
7567 | |
7568 | #if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME) | |
7569 | static inline abi_long target_to_host_timex64(struct timex *host_tx, | |
7570 | abi_long target_addr) | |
7571 | { | |
7572 | struct target__kernel_timex *target_tx; | |
7573 | ||
7574 | if (copy_from_user_timeval64(&host_tx->time, target_addr + | |
7575 | offsetof(struct target__kernel_timex, | |
7576 | time))) { | |
7577 | return -TARGET_EFAULT; | |
7578 | } | |
7579 | ||
7580 | if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) { | |
7581 | return -TARGET_EFAULT; | |
7582 | } | |
7583 | ||
7584 | __get_user(host_tx->modes, &target_tx->modes); | |
7585 | __get_user(host_tx->offset, &target_tx->offset); | |
7586 | __get_user(host_tx->freq, &target_tx->freq); | |
7587 | __get_user(host_tx->maxerror, &target_tx->maxerror); | |
7588 | __get_user(host_tx->esterror, &target_tx->esterror); | |
7589 | __get_user(host_tx->status, &target_tx->status); | |
7590 | __get_user(host_tx->constant, &target_tx->constant); | |
7591 | __get_user(host_tx->precision, &target_tx->precision); | |
7592 | __get_user(host_tx->tolerance, &target_tx->tolerance); | |
7593 | __get_user(host_tx->tick, &target_tx->tick); | |
7594 | __get_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7595 | __get_user(host_tx->jitter, &target_tx->jitter); | |
7596 | __get_user(host_tx->shift, &target_tx->shift); | |
7597 | __get_user(host_tx->stabil, &target_tx->stabil); | |
7598 | __get_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7599 | __get_user(host_tx->calcnt, &target_tx->calcnt); | |
7600 | __get_user(host_tx->errcnt, &target_tx->errcnt); | |
7601 | __get_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7602 | __get_user(host_tx->tai, &target_tx->tai); | |
7603 | ||
7604 | unlock_user_struct(target_tx, target_addr, 0); | |
7605 | return 0; | |
7606 | } | |
7607 | ||
7608 | static inline abi_long host_to_target_timex64(abi_long target_addr, | |
7609 | struct timex *host_tx) | |
7610 | { | |
7611 | struct target__kernel_timex *target_tx; | |
7612 | ||
7613 | if (copy_to_user_timeval64(target_addr + | |
7614 | offsetof(struct target__kernel_timex, time), | |
7615 | &host_tx->time)) { | |
7616 | return -TARGET_EFAULT; | |
7617 | } | |
7618 | ||
7619 | if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) { | |
7620 | return -TARGET_EFAULT; | |
7621 | } | |
7622 | ||
7623 | __put_user(host_tx->modes, &target_tx->modes); | |
7624 | __put_user(host_tx->offset, &target_tx->offset); | |
7625 | __put_user(host_tx->freq, &target_tx->freq); | |
7626 | __put_user(host_tx->maxerror, &target_tx->maxerror); | |
7627 | __put_user(host_tx->esterror, &target_tx->esterror); | |
7628 | __put_user(host_tx->status, &target_tx->status); | |
7629 | __put_user(host_tx->constant, &target_tx->constant); | |
7630 | __put_user(host_tx->precision, &target_tx->precision); | |
7631 | __put_user(host_tx->tolerance, &target_tx->tolerance); | |
7632 | __put_user(host_tx->tick, &target_tx->tick); | |
7633 | __put_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7634 | __put_user(host_tx->jitter, &target_tx->jitter); | |
7635 | __put_user(host_tx->shift, &target_tx->shift); | |
7636 | __put_user(host_tx->stabil, &target_tx->stabil); | |
7637 | __put_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7638 | __put_user(host_tx->calcnt, &target_tx->calcnt); | |
7639 | __put_user(host_tx->errcnt, &target_tx->errcnt); | |
7640 | __put_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7641 | __put_user(host_tx->tai, &target_tx->tai); | |
7642 | ||
7643 | unlock_user_struct(target_tx, target_addr, 1); | |
7644 | return 0; | |
7645 | } | |
7646 | #endif | |
7647 | ||
96ff758c MF |
7648 | #ifndef HAVE_SIGEV_NOTIFY_THREAD_ID |
7649 | #define sigev_notify_thread_id _sigev_un._tid | |
7650 | #endif | |
7651 | ||
c065976f PM |
7652 | static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp, |
7653 | abi_ulong target_addr) | |
7654 | { | |
7655 | struct target_sigevent *target_sevp; | |
7656 | ||
7657 | if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) { | |
7658 | return -TARGET_EFAULT; | |
7659 | } | |
7660 | ||
7661 | /* This union is awkward on 64 bit systems because it has a 32 bit | |
7662 | * integer and a pointer in it; we follow the conversion approach | |
7663 | * used for handling sigval types in signal.c so the guest should get | |
7664 | * the correct value back even if we did a 64 bit byteswap and it's | |
7665 | * using the 32 bit integer. | |
7666 | */ | |
7667 | host_sevp->sigev_value.sival_ptr = | |
7668 | (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr); | |
7669 | host_sevp->sigev_signo = | |
7670 | target_to_host_signal(tswap32(target_sevp->sigev_signo)); | |
7671 | host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify); | |
96ff758c | 7672 | host_sevp->sigev_notify_thread_id = tswap32(target_sevp->_sigev_un._tid); |
c065976f PM |
7673 | |
7674 | unlock_user_struct(target_sevp, target_addr, 1); | |
7675 | return 0; | |
7676 | } | |
7677 | ||
6f6a4032 TM |
7678 | #if defined(TARGET_NR_mlockall) |
7679 | static inline int target_to_host_mlockall_arg(int arg) | |
7680 | { | |
7681 | int result = 0; | |
7682 | ||
02e5d7d7 | 7683 | if (arg & TARGET_MCL_CURRENT) { |
6f6a4032 TM |
7684 | result |= MCL_CURRENT; |
7685 | } | |
02e5d7d7 | 7686 | if (arg & TARGET_MCL_FUTURE) { |
6f6a4032 TM |
7687 | result |= MCL_FUTURE; |
7688 | } | |
02e5d7d7 FB |
7689 | #ifdef MCL_ONFAULT |
7690 | if (arg & TARGET_MCL_ONFAULT) { | |
7691 | result |= MCL_ONFAULT; | |
7692 | } | |
7693 | #endif | |
7694 | ||
6f6a4032 TM |
7695 | return result; |
7696 | } | |
7697 | #endif | |
7698 | ||
fe080593 HD |
7699 | static inline int target_to_host_msync_arg(abi_long arg) |
7700 | { | |
7701 | return ((arg & TARGET_MS_ASYNC) ? MS_ASYNC : 0) | | |
7702 | ((arg & TARGET_MS_INVALIDATE) ? MS_INVALIDATE : 0) | | |
7703 | ((arg & TARGET_MS_SYNC) ? MS_SYNC : 0) | | |
7704 | (arg & ~(TARGET_MS_ASYNC | TARGET_MS_INVALIDATE | TARGET_MS_SYNC)); | |
7705 | } | |
7706 | ||
4f7f8924 AR |
7707 | #if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \ |
7708 | defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \ | |
7709 | defined(TARGET_NR_newfstatat)) | |
a0939b89 | 7710 | static inline abi_long host_to_target_stat64(CPUArchState *cpu_env, |
6a24a778 AZ |
7711 | abi_ulong target_addr, |
7712 | struct stat *host_st) | |
7713 | { | |
09701199 | 7714 | #if defined(TARGET_ARM) && defined(TARGET_ABI32) |
0effdc29 | 7715 | if (cpu_env->eabi) { |
6a24a778 AZ |
7716 | struct target_eabi_stat64 *target_st; |
7717 | ||
7718 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
7719 | return -TARGET_EFAULT; | |
7720 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
7721 | __put_user(host_st->st_dev, &target_st->st_dev); | |
7722 | __put_user(host_st->st_ino, &target_st->st_ino); | |
7723 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
7724 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
7725 | #endif | |
7726 | __put_user(host_st->st_mode, &target_st->st_mode); | |
7727 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
7728 | __put_user(host_st->st_uid, &target_st->st_uid); | |
7729 | __put_user(host_st->st_gid, &target_st->st_gid); | |
7730 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
7731 | __put_user(host_st->st_size, &target_st->st_size); | |
7732 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
7733 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
7734 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
7735 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
7736 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
febf6fad | 7737 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
5f992db6 CYT |
7738 | __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec); |
7739 | __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec); | |
7740 | __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec); | |
7741 | #endif | |
6a24a778 AZ |
7742 | unlock_user_struct(target_st, target_addr, 1); |
7743 | } else | |
7744 | #endif | |
7745 | { | |
20d155bc | 7746 | #if defined(TARGET_HAS_STRUCT_STAT64) |
6a24a778 | 7747 | struct target_stat64 *target_st; |
20d155bc SW |
7748 | #else |
7749 | struct target_stat *target_st; | |
9d33b76b | 7750 | #endif |
6a24a778 AZ |
7751 | |
7752 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
7753 | return -TARGET_EFAULT; | |
9d33b76b | 7754 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
7755 | __put_user(host_st->st_dev, &target_st->st_dev); |
7756 | __put_user(host_st->st_ino, &target_st->st_ino); | |
7757 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
7758 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
7759 | #endif | |
7760 | __put_user(host_st->st_mode, &target_st->st_mode); | |
7761 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
7762 | __put_user(host_st->st_uid, &target_st->st_uid); | |
7763 | __put_user(host_st->st_gid, &target_st->st_gid); | |
7764 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
7765 | /* XXX: better use of kernel struct */ | |
7766 | __put_user(host_st->st_size, &target_st->st_size); | |
7767 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
7768 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
7769 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
7770 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
7771 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
febf6fad | 7772 | #ifdef HAVE_STRUCT_STAT_ST_ATIM |
5f992db6 CYT |
7773 | __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec); |
7774 | __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec); | |
7775 | __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec); | |
7776 | #endif | |
6a24a778 AZ |
7777 | unlock_user_struct(target_st, target_addr, 1); |
7778 | } | |
7779 | ||
7780 | return 0; | |
7781 | } | |
4f7f8924 | 7782 | #endif |
6a24a778 | 7783 | |
efa92184 AR |
7784 | #if defined(TARGET_NR_statx) && defined(__NR_statx) |
7785 | static inline abi_long host_to_target_statx(struct target_statx *host_stx, | |
7786 | abi_ulong target_addr) | |
7787 | { | |
7788 | struct target_statx *target_stx; | |
7789 | ||
7790 | if (!lock_user_struct(VERIFY_WRITE, target_stx, target_addr, 0)) { | |
7791 | return -TARGET_EFAULT; | |
7792 | } | |
7793 | memset(target_stx, 0, sizeof(*target_stx)); | |
7794 | ||
7795 | __put_user(host_stx->stx_mask, &target_stx->stx_mask); | |
7796 | __put_user(host_stx->stx_blksize, &target_stx->stx_blksize); | |
7797 | __put_user(host_stx->stx_attributes, &target_stx->stx_attributes); | |
7798 | __put_user(host_stx->stx_nlink, &target_stx->stx_nlink); | |
7799 | __put_user(host_stx->stx_uid, &target_stx->stx_uid); | |
7800 | __put_user(host_stx->stx_gid, &target_stx->stx_gid); | |
7801 | __put_user(host_stx->stx_mode, &target_stx->stx_mode); | |
7802 | __put_user(host_stx->stx_ino, &target_stx->stx_ino); | |
7803 | __put_user(host_stx->stx_size, &target_stx->stx_size); | |
7804 | __put_user(host_stx->stx_blocks, &target_stx->stx_blocks); | |
7805 | __put_user(host_stx->stx_attributes_mask, &target_stx->stx_attributes_mask); | |
7806 | __put_user(host_stx->stx_atime.tv_sec, &target_stx->stx_atime.tv_sec); | |
7807 | __put_user(host_stx->stx_atime.tv_nsec, &target_stx->stx_atime.tv_nsec); | |
d1e26707 AC |
7808 | __put_user(host_stx->stx_btime.tv_sec, &target_stx->stx_btime.tv_sec); |
7809 | __put_user(host_stx->stx_btime.tv_nsec, &target_stx->stx_btime.tv_nsec); | |
7810 | __put_user(host_stx->stx_ctime.tv_sec, &target_stx->stx_ctime.tv_sec); | |
7811 | __put_user(host_stx->stx_ctime.tv_nsec, &target_stx->stx_ctime.tv_nsec); | |
7812 | __put_user(host_stx->stx_mtime.tv_sec, &target_stx->stx_mtime.tv_sec); | |
7813 | __put_user(host_stx->stx_mtime.tv_nsec, &target_stx->stx_mtime.tv_nsec); | |
efa92184 AR |
7814 | __put_user(host_stx->stx_rdev_major, &target_stx->stx_rdev_major); |
7815 | __put_user(host_stx->stx_rdev_minor, &target_stx->stx_rdev_minor); | |
7816 | __put_user(host_stx->stx_dev_major, &target_stx->stx_dev_major); | |
7817 | __put_user(host_stx->stx_dev_minor, &target_stx->stx_dev_minor); | |
7818 | ||
7819 | unlock_user_struct(target_stx, target_addr, 1); | |
7820 | ||
7821 | return 0; | |
7822 | } | |
7823 | #endif | |
7824 | ||
14690296 AF |
7825 | static int do_sys_futex(int *uaddr, int op, int val, |
7826 | const struct timespec *timeout, int *uaddr2, | |
7827 | int val3) | |
7828 | { | |
7829 | #if HOST_LONG_BITS == 64 | |
7830 | #if defined(__NR_futex) | |
7831 | /* always a 64-bit time_t, it doesn't define _time64 version */ | |
7832 | return sys_futex(uaddr, op, val, timeout, uaddr2, val3); | |
7833 | ||
7834 | #endif | |
7835 | #else /* HOST_LONG_BITS == 64 */ | |
7836 | #if defined(__NR_futex_time64) | |
7837 | if (sizeof(timeout->tv_sec) == 8) { | |
7838 | /* _time64 function on 32bit arch */ | |
7839 | return sys_futex_time64(uaddr, op, val, timeout, uaddr2, val3); | |
7840 | } | |
7841 | #endif | |
7842 | #if defined(__NR_futex) | |
7843 | /* old function on 32bit arch */ | |
7844 | return sys_futex(uaddr, op, val, timeout, uaddr2, val3); | |
7845 | #endif | |
7846 | #endif /* HOST_LONG_BITS == 64 */ | |
7847 | g_assert_not_reached(); | |
7848 | } | |
7849 | ||
7850 | static int do_safe_futex(int *uaddr, int op, int val, | |
7851 | const struct timespec *timeout, int *uaddr2, | |
7852 | int val3) | |
7853 | { | |
7854 | #if HOST_LONG_BITS == 64 | |
7855 | #if defined(__NR_futex) | |
7856 | /* always a 64-bit time_t, it doesn't define _time64 version */ | |
7857 | return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3)); | |
7858 | #endif | |
7859 | #else /* HOST_LONG_BITS == 64 */ | |
7860 | #if defined(__NR_futex_time64) | |
7861 | if (sizeof(timeout->tv_sec) == 8) { | |
7862 | /* _time64 function on 32bit arch */ | |
7863 | return get_errno(safe_futex_time64(uaddr, op, val, timeout, uaddr2, | |
7864 | val3)); | |
7865 | } | |
7866 | #endif | |
7867 | #if defined(__NR_futex) | |
7868 | /* old function on 32bit arch */ | |
7869 | return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3)); | |
7870 | #endif | |
7871 | #endif /* HOST_LONG_BITS == 64 */ | |
7872 | return -TARGET_ENOSYS; | |
7873 | } | |
efa92184 | 7874 | |
bd0c5661 PB |
7875 | /* ??? Using host futex calls even when target atomic operations |
7876 | are not really atomic probably breaks things. However implementing | |
7877 | futexes locally would make futexes shared between multiple processes | |
7878 | tricky. However they're probably useless because guest atomic | |
7879 | operations won't work either. */ | |
0fbc0f8d RH |
7880 | #if defined(TARGET_NR_futex) || defined(TARGET_NR_futex_time64) |
7881 | static int do_futex(CPUState *cpu, bool time64, target_ulong uaddr, | |
7882 | int op, int val, target_ulong timeout, | |
7883 | target_ulong uaddr2, int val3) | |
bd0c5661 | 7884 | { |
57b9ccd4 RH |
7885 | struct timespec ts, *pts = NULL; |
7886 | void *haddr2 = NULL; | |
a16aae0c | 7887 | int base_op; |
bd0c5661 | 7888 | |
57b9ccd4 | 7889 | /* We assume FUTEX_* constants are the same on both host and target. */ |
a29ccd63 | 7890 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 7891 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 7892 | #else |
a16aae0c | 7893 | base_op = op; |
a29ccd63 | 7894 | #endif |
a16aae0c | 7895 | switch (base_op) { |
bd0c5661 | 7896 | case FUTEX_WAIT: |
cce246e0 | 7897 | case FUTEX_WAIT_BITSET: |
57b9ccd4 RH |
7898 | val = tswap32(val); |
7899 | break; | |
c72a90df RH |
7900 | case FUTEX_WAIT_REQUEUE_PI: |
7901 | val = tswap32(val); | |
7902 | haddr2 = g2h(cpu, uaddr2); | |
7903 | break; | |
7904 | case FUTEX_LOCK_PI: | |
7905 | case FUTEX_LOCK_PI2: | |
7906 | break; | |
bd0c5661 | 7907 | case FUTEX_WAKE: |
a6180f8a | 7908 | case FUTEX_WAKE_BITSET: |
c72a90df RH |
7909 | case FUTEX_TRYLOCK_PI: |
7910 | case FUTEX_UNLOCK_PI: | |
57b9ccd4 RH |
7911 | timeout = 0; |
7912 | break; | |
bd0c5661 | 7913 | case FUTEX_FD: |
0f946731 | 7914 | val = target_to_host_signal(val); |
57b9ccd4 RH |
7915 | timeout = 0; |
7916 | break; | |
bd0c5661 | 7917 | case FUTEX_CMP_REQUEUE: |
c72a90df | 7918 | case FUTEX_CMP_REQUEUE_PI: |
57b9ccd4 RH |
7919 | val3 = tswap32(val3); |
7920 | /* fall through */ | |
7921 | case FUTEX_REQUEUE: | |
a16aae0c | 7922 | case FUTEX_WAKE_OP: |
57b9ccd4 RH |
7923 | /* |
7924 | * For these, the 4th argument is not TIMEOUT, but VAL2. | |
7925 | * But the prototype of do_safe_futex takes a pointer, so | |
7926 | * insert casts to satisfy the compiler. We do not need | |
7927 | * to tswap VAL2 since it's not compared to guest memory. | |
7928 | */ | |
7929 | pts = (struct timespec *)(uintptr_t)timeout; | |
7930 | timeout = 0; | |
7931 | haddr2 = g2h(cpu, uaddr2); | |
7932 | break; | |
bd0c5661 PB |
7933 | default: |
7934 | return -TARGET_ENOSYS; | |
7935 | } | |
57b9ccd4 RH |
7936 | if (timeout) { |
7937 | pts = &ts; | |
7938 | if (time64 | |
7939 | ? target_to_host_timespec64(pts, timeout) | |
7940 | : target_to_host_timespec(pts, timeout)) { | |
7941 | return -TARGET_EFAULT; | |
7942 | } | |
7943 | } | |
7944 | return do_safe_futex(g2h(cpu, uaddr), op, val, pts, haddr2, val3); | |
bd0c5661 | 7945 | } |
859e8a89 | 7946 | #endif |
14690296 | 7947 | |
0f0426f3 LV |
7948 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
7949 | static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname, | |
7950 | abi_long handle, abi_long mount_id, | |
7951 | abi_long flags) | |
7952 | { | |
7953 | struct file_handle *target_fh; | |
7954 | struct file_handle *fh; | |
7955 | int mid = 0; | |
7956 | abi_long ret; | |
7957 | char *name; | |
7958 | unsigned int size, total_size; | |
7959 | ||
7960 | if (get_user_s32(size, handle)) { | |
7961 | return -TARGET_EFAULT; | |
7962 | } | |
7963 | ||
7964 | name = lock_user_string(pathname); | |
7965 | if (!name) { | |
7966 | return -TARGET_EFAULT; | |
7967 | } | |
7968 | ||
7969 | total_size = sizeof(struct file_handle) + size; | |
7970 | target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0); | |
7971 | if (!target_fh) { | |
7972 | unlock_user(name, pathname, 0); | |
7973 | return -TARGET_EFAULT; | |
7974 | } | |
7975 | ||
7976 | fh = g_malloc0(total_size); | |
7977 | fh->handle_bytes = size; | |
7978 | ||
7979 | ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags)); | |
7980 | unlock_user(name, pathname, 0); | |
7981 | ||
7982 | /* man name_to_handle_at(2): | |
7983 | * Other than the use of the handle_bytes field, the caller should treat | |
7984 | * the file_handle structure as an opaque data type | |
7985 | */ | |
7986 | ||
7987 | memcpy(target_fh, fh, total_size); | |
7988 | target_fh->handle_bytes = tswap32(fh->handle_bytes); | |
7989 | target_fh->handle_type = tswap32(fh->handle_type); | |
7990 | g_free(fh); | |
7991 | unlock_user(target_fh, handle, total_size); | |
7992 | ||
7993 | if (put_user_s32(mid, mount_id)) { | |
7994 | return -TARGET_EFAULT; | |
7995 | } | |
7996 | ||
7997 | return ret; | |
7998 | ||
7999 | } | |
8000 | #endif | |
8001 | ||
8002 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
8003 | static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle, | |
8004 | abi_long flags) | |
8005 | { | |
8006 | struct file_handle *target_fh; | |
8007 | struct file_handle *fh; | |
8008 | unsigned int size, total_size; | |
8009 | abi_long ret; | |
8010 | ||
8011 | if (get_user_s32(size, handle)) { | |
8012 | return -TARGET_EFAULT; | |
8013 | } | |
8014 | ||
8015 | total_size = sizeof(struct file_handle) + size; | |
8016 | target_fh = lock_user(VERIFY_READ, handle, total_size, 1); | |
8017 | if (!target_fh) { | |
8018 | return -TARGET_EFAULT; | |
8019 | } | |
8020 | ||
e9d49d51 | 8021 | fh = g_memdup(target_fh, total_size); |
0f0426f3 LV |
8022 | fh->handle_bytes = size; |
8023 | fh->handle_type = tswap32(target_fh->handle_type); | |
8024 | ||
8025 | ret = get_errno(open_by_handle_at(mount_fd, fh, | |
8026 | target_to_host_bitmask(flags, fcntl_flags_tbl))); | |
8027 | ||
8028 | g_free(fh); | |
8029 | ||
8030 | unlock_user(target_fh, handle, total_size); | |
8031 | ||
8032 | return ret; | |
8033 | } | |
8034 | #endif | |
bd0c5661 | 8035 | |
e36800c9 LV |
8036 | #if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4) |
8037 | ||
e36800c9 LV |
8038 | static abi_long do_signalfd4(int fd, abi_long mask, int flags) |
8039 | { | |
8040 | int host_flags; | |
8041 | target_sigset_t *target_mask; | |
8042 | sigset_t host_mask; | |
8043 | abi_long ret; | |
8044 | ||
78721301 | 8045 | if (flags & ~(TARGET_O_NONBLOCK_MASK | TARGET_O_CLOEXEC)) { |
e36800c9 LV |
8046 | return -TARGET_EINVAL; |
8047 | } | |
8048 | if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) { | |
8049 | return -TARGET_EFAULT; | |
8050 | } | |
8051 | ||
8052 | target_to_host_sigset(&host_mask, target_mask); | |
8053 | ||
8054 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
8055 | ||
8056 | ret = get_errno(signalfd(fd, &host_mask, host_flags)); | |
8057 | if (ret >= 0) { | |
8058 | fd_trans_register(ret, &target_signalfd_trans); | |
8059 | } | |
8060 | ||
8061 | unlock_user_struct(target_mask, mask, 0); | |
8062 | ||
8063 | return ret; | |
8064 | } | |
8065 | #endif | |
8066 | ||
1d9d8b55 PB |
8067 | /* Map host to target signal numbers for the wait family of syscalls. |
8068 | Assume all other status bits are the same. */ | |
a05c6409 | 8069 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
8070 | { |
8071 | if (WIFSIGNALED(status)) { | |
8072 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
8073 | } | |
8074 | if (WIFSTOPPED(status)) { | |
8075 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
8076 | | (status & 0xff); | |
8077 | } | |
8078 | return status; | |
8079 | } | |
8080 | ||
a0939b89 | 8081 | static int open_self_cmdline(CPUArchState *cpu_env, int fd) |
76b94245 | 8082 | { |
0effdc29 | 8083 | CPUState *cpu = env_cpu(cpu_env); |
58de8b96 AS |
8084 | struct linux_binprm *bprm = ((TaskState *)cpu->opaque)->bprm; |
8085 | int i; | |
76b94245 | 8086 | |
58de8b96 AS |
8087 | for (i = 0; i < bprm->argc; i++) { |
8088 | size_t len = strlen(bprm->argv[i]) + 1; | |
76b94245 | 8089 | |
58de8b96 | 8090 | if (write(fd, bprm->argv[i], len) != len) { |
76b94245 | 8091 | return -1; |
76b94245 WVS |
8092 | } |
8093 | } | |
8094 | ||
58de8b96 | 8095 | return 0; |
76b94245 WVS |
8096 | } |
8097 | ||
77ae5761 IL |
8098 | static void show_smaps(int fd, unsigned long size) |
8099 | { | |
8100 | unsigned long page_size_kb = TARGET_PAGE_SIZE >> 10; | |
8101 | unsigned long size_kb = size >> 10; | |
8102 | ||
8103 | dprintf(fd, "Size: %lu kB\n" | |
8104 | "KernelPageSize: %lu kB\n" | |
8105 | "MMUPageSize: %lu kB\n" | |
8106 | "Rss: 0 kB\n" | |
8107 | "Pss: 0 kB\n" | |
8108 | "Pss_Dirty: 0 kB\n" | |
8109 | "Shared_Clean: 0 kB\n" | |
8110 | "Shared_Dirty: 0 kB\n" | |
8111 | "Private_Clean: 0 kB\n" | |
8112 | "Private_Dirty: 0 kB\n" | |
8113 | "Referenced: 0 kB\n" | |
8114 | "Anonymous: 0 kB\n" | |
8115 | "LazyFree: 0 kB\n" | |
8116 | "AnonHugePages: 0 kB\n" | |
8117 | "ShmemPmdMapped: 0 kB\n" | |
8118 | "FilePmdMapped: 0 kB\n" | |
8119 | "Shared_Hugetlb: 0 kB\n" | |
8120 | "Private_Hugetlb: 0 kB\n" | |
8121 | "Swap: 0 kB\n" | |
8122 | "SwapPss: 0 kB\n" | |
8123 | "Locked: 0 kB\n" | |
8124 | "THPeligible: 0\n", size_kb, page_size_kb, page_size_kb); | |
8125 | } | |
8126 | ||
8127 | static int open_self_maps_1(CPUArchState *cpu_env, int fd, bool smaps) | |
36c08d49 | 8128 | { |
0effdc29 | 8129 | CPUState *cpu = env_cpu(cpu_env); |
0429a971 | 8130 | TaskState *ts = cpu->opaque; |
3ce3dd8c RH |
8131 | IntervalTreeRoot *map_info = read_self_maps(); |
8132 | IntervalTreeNode *s; | |
bb55173c | 8133 | int count; |
1a49ef2a | 8134 | |
3ce3dd8c RH |
8135 | for (s = interval_tree_iter_first(map_info, 0, -1); s; |
8136 | s = interval_tree_iter_next(s, 0, -1)) { | |
8137 | MapInfo *e = container_of(s, MapInfo, itree); | |
1a49ef2a | 8138 | |
3ce3dd8c RH |
8139 | if (h2g_valid(e->itree.start)) { |
8140 | unsigned long min = e->itree.start; | |
8141 | unsigned long max = e->itree.last + 1; | |
d67f4aaa | 8142 | int flags = page_get_flags(h2g(min)); |
01ef6b9e AB |
8143 | const char *path; |
8144 | ||
8145 | max = h2g_valid(max - 1) ? | |
3e8f1628 | 8146 | max : (uintptr_t) g2h_untagged(GUEST_ADDR_MAX) + 1; |
01ef6b9e | 8147 | |
bef6f008 | 8148 | if (!page_check_range(h2g(min), max - min, flags)) { |
d67f4aaa MI |
8149 | continue; |
8150 | } | |
01ef6b9e | 8151 | |
0a3346b5 HD |
8152 | #ifdef TARGET_HPPA |
8153 | if (h2g(max) == ts->info->stack_limit) { | |
8154 | #else | |
d67f4aaa | 8155 | if (h2g(min) == ts->info->stack_limit) { |
0a3346b5 | 8156 | #endif |
bb55173c | 8157 | path = "[stack]"; |
01ef6b9e AB |
8158 | } else { |
8159 | path = e->path; | |
d67f4aaa | 8160 | } |
01ef6b9e | 8161 | |
bb55173c AB |
8162 | count = dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr |
8163 | " %c%c%c%c %08" PRIx64 " %s %"PRId64, | |
8164 | h2g(min), h2g(max - 1) + 1, | |
08f3a96b NS |
8165 | (flags & PAGE_READ) ? 'r' : '-', |
8166 | (flags & PAGE_WRITE_ORG) ? 'w' : '-', | |
8167 | (flags & PAGE_EXEC) ? 'x' : '-', | |
e13685a6 | 8168 | e->is_priv ? 'p' : 's', |
bb55173c AB |
8169 | (uint64_t) e->offset, e->dev, e->inode); |
8170 | if (path) { | |
8171 | dprintf(fd, "%*s%s\n", 73 - count, "", path); | |
8172 | } else { | |
8173 | dprintf(fd, "\n"); | |
8174 | } | |
77ae5761 IL |
8175 | if (smaps) { |
8176 | show_smaps(fd, max - min); | |
8177 | dprintf(fd, "VmFlags:%s%s%s%s%s%s%s%s\n", | |
8178 | (flags & PAGE_READ) ? " rd" : "", | |
8179 | (flags & PAGE_WRITE_ORG) ? " wr" : "", | |
8180 | (flags & PAGE_EXEC) ? " ex" : "", | |
8181 | e->is_priv ? "" : " sh", | |
8182 | (flags & PAGE_READ) ? " mr" : "", | |
8183 | (flags & PAGE_WRITE_ORG) ? " mw" : "", | |
8184 | (flags & PAGE_EXEC) ? " me" : "", | |
8185 | e->is_priv ? "" : " ms"); | |
8186 | } | |
1a49ef2a AG |
8187 | } |
8188 | } | |
8189 | ||
01ef6b9e AB |
8190 | free_self_maps(map_info); |
8191 | ||
bf02adcd RH |
8192 | #ifdef TARGET_VSYSCALL_PAGE |
8193 | /* | |
8194 | * We only support execution from the vsyscall page. | |
8195 | * This is as if CONFIG_LEGACY_VSYSCALL_XONLY=y from v5.3. | |
8196 | */ | |
bb55173c AB |
8197 | count = dprintf(fd, TARGET_FMT_lx "-" TARGET_FMT_lx |
8198 | " --xp 00000000 00:00 0", | |
8199 | TARGET_VSYSCALL_PAGE, TARGET_VSYSCALL_PAGE + TARGET_PAGE_SIZE); | |
8200 | dprintf(fd, "%*s%s\n", 73 - count, "", "[vsyscall]"); | |
77ae5761 IL |
8201 | if (smaps) { |
8202 | show_smaps(fd, TARGET_PAGE_SIZE); | |
8203 | dprintf(fd, "VmFlags: ex\n"); | |
8204 | } | |
bf02adcd RH |
8205 | #endif |
8206 | ||
36c08d49 AG |
8207 | return 0; |
8208 | } | |
8209 | ||
77ae5761 IL |
8210 | static int open_self_maps(CPUArchState *cpu_env, int fd) |
8211 | { | |
8212 | return open_self_maps_1(cpu_env, fd, false); | |
8213 | } | |
8214 | ||
8215 | static int open_self_smaps(CPUArchState *cpu_env, int fd) | |
8216 | { | |
8217 | return open_self_maps_1(cpu_env, fd, true); | |
8218 | } | |
8219 | ||
a0939b89 | 8220 | static int open_self_stat(CPUArchState *cpu_env, int fd) |
480b8e7d | 8221 | { |
0effdc29 | 8222 | CPUState *cpu = env_cpu(cpu_env); |
0429a971 | 8223 | TaskState *ts = cpu->opaque; |
7ad4d5a4 | 8224 | g_autoptr(GString) buf = g_string_new(NULL); |
480b8e7d AG |
8225 | int i; |
8226 | ||
8227 | for (i = 0; i < 44; i++) { | |
7ad4d5a4 AB |
8228 | if (i == 0) { |
8229 | /* pid */ | |
8230 | g_string_printf(buf, FMT_pid " ", getpid()); | |
8231 | } else if (i == 1) { | |
8232 | /* app name */ | |
8233 | gchar *bin = g_strrstr(ts->bprm->argv[0], "/"); | |
8234 | bin = bin ? bin + 1 : ts->bprm->argv[0]; | |
8235 | g_string_printf(buf, "(%.15s) ", bin); | |
25bb27c7 AS |
8236 | } else if (i == 2) { |
8237 | /* task state */ | |
8238 | g_string_assign(buf, "R "); /* we are running right now */ | |
7aa9fe3a AS |
8239 | } else if (i == 3) { |
8240 | /* ppid */ | |
8241 | g_string_printf(buf, FMT_pid " ", getppid()); | |
eb33cdae CE |
8242 | } else if (i == 21) { |
8243 | /* starttime */ | |
8244 | g_string_printf(buf, "%" PRIu64 " ", ts->start_boottime); | |
7ad4d5a4 AB |
8245 | } else if (i == 27) { |
8246 | /* stack bottom */ | |
8247 | g_string_printf(buf, TARGET_ABI_FMT_ld " ", ts->info->start_stack); | |
8248 | } else { | |
8249 | /* for the rest, there is MasterCard */ | |
8250 | g_string_printf(buf, "0%c", i == 43 ? '\n' : ' '); | |
8251 | } | |
8252 | ||
8253 | if (write(fd, buf->str, buf->len) != buf->len) { | |
8254 | return -1; | |
8255 | } | |
480b8e7d AG |
8256 | } |
8257 | ||
8258 | return 0; | |
8259 | } | |
8260 | ||
a0939b89 | 8261 | static int open_self_auxv(CPUArchState *cpu_env, int fd) |
257450ee | 8262 | { |
0effdc29 | 8263 | CPUState *cpu = env_cpu(cpu_env); |
0429a971 | 8264 | TaskState *ts = cpu->opaque; |
257450ee AG |
8265 | abi_ulong auxv = ts->info->saved_auxv; |
8266 | abi_ulong len = ts->info->auxv_len; | |
8267 | char *ptr; | |
8268 | ||
8269 | /* | |
8270 | * Auxiliary vector is stored in target process stack. | |
8271 | * read in whole auxv vector and copy it to file | |
8272 | */ | |
8273 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
8274 | if (ptr != NULL) { | |
8275 | while (len > 0) { | |
8276 | ssize_t r; | |
8277 | r = write(fd, ptr, len); | |
8278 | if (r <= 0) { | |
8279 | break; | |
8280 | } | |
8281 | len -= r; | |
8282 | ptr += r; | |
8283 | } | |
8284 | lseek(fd, 0, SEEK_SET); | |
8285 | unlock_user(ptr, auxv, len); | |
8286 | } | |
8287 | ||
8288 | return 0; | |
8289 | } | |
8290 | ||
463d8e73 AS |
8291 | static int is_proc_myself(const char *filename, const char *entry) |
8292 | { | |
8293 | if (!strncmp(filename, "/proc/", strlen("/proc/"))) { | |
8294 | filename += strlen("/proc/"); | |
8295 | if (!strncmp(filename, "self/", strlen("self/"))) { | |
8296 | filename += strlen("self/"); | |
8297 | } else if (*filename >= '1' && *filename <= '9') { | |
8298 | char myself[80]; | |
8299 | snprintf(myself, sizeof(myself), "%d/", getpid()); | |
8300 | if (!strncmp(filename, myself, strlen(myself))) { | |
8301 | filename += strlen(myself); | |
8302 | } else { | |
8303 | return 0; | |
8304 | } | |
8305 | } else { | |
8306 | return 0; | |
8307 | } | |
8308 | if (!strcmp(filename, entry)) { | |
8309 | return 1; | |
8310 | } | |
8311 | } | |
8312 | return 0; | |
8313 | } | |
8314 | ||
bd5ccd61 HD |
8315 | static void excp_dump_file(FILE *logfile, CPUArchState *env, |
8316 | const char *fmt, int code) | |
8317 | { | |
8318 | if (logfile) { | |
8319 | CPUState *cs = env_cpu(env); | |
8320 | ||
8321 | fprintf(logfile, fmt, code); | |
8322 | fprintf(logfile, "Failing executable: %s\n", exec_path); | |
8323 | cpu_dump_state(cs, logfile, 0); | |
8324 | open_self_maps(env, fileno(logfile)); | |
8325 | } | |
8326 | } | |
8327 | ||
8328 | void target_exception_dump(CPUArchState *env, const char *fmt, int code) | |
8329 | { | |
8330 | /* dump to console */ | |
8331 | excp_dump_file(stderr, env, fmt, code); | |
8332 | ||
8333 | /* dump to log file */ | |
8334 | if (qemu_log_separate()) { | |
8335 | FILE *logfile = qemu_log_trylock(); | |
8336 | ||
8337 | excp_dump_file(logfile, env, fmt, code); | |
8338 | qemu_log_unlock(logfile); | |
8339 | } | |
8340 | } | |
8341 | ||
ee3eb3a7 | 8342 | #if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN || \ |
8ddc171b | 8343 | defined(TARGET_SPARC) || defined(TARGET_M68K) || defined(TARGET_HPPA) || \ |
1fb9bdaf | 8344 | defined(TARGET_RISCV) || defined(TARGET_S390X) |
de6b9933 LV |
8345 | static int is_proc(const char *filename, const char *entry) |
8346 | { | |
8347 | return strcmp(filename, entry) == 0; | |
8348 | } | |
fff69382 | 8349 | #endif |
de6b9933 | 8350 | |
ee3eb3a7 | 8351 | #if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN |
a0939b89 | 8352 | static int open_net_route(CPUArchState *cpu_env, int fd) |
de6b9933 LV |
8353 | { |
8354 | FILE *fp; | |
8355 | char *line = NULL; | |
8356 | size_t len = 0; | |
8357 | ssize_t read; | |
8358 | ||
8359 | fp = fopen("/proc/net/route", "r"); | |
8360 | if (fp == NULL) { | |
a3ca7bb2 | 8361 | return -1; |
de6b9933 LV |
8362 | } |
8363 | ||
8364 | /* read header */ | |
8365 | ||
8366 | read = getline(&line, &len, fp); | |
8367 | dprintf(fd, "%s", line); | |
8368 | ||
8369 | /* read routes */ | |
8370 | ||
8371 | while ((read = getline(&line, &len, fp)) != -1) { | |
8372 | char iface[16]; | |
8373 | uint32_t dest, gw, mask; | |
8374 | unsigned int flags, refcnt, use, metric, mtu, window, irtt; | |
9d0bd0cd PM |
8375 | int fields; |
8376 | ||
8377 | fields = sscanf(line, | |
8378 | "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
8379 | iface, &dest, &gw, &flags, &refcnt, &use, &metric, | |
8380 | &mask, &mtu, &window, &irtt); | |
8381 | if (fields != 11) { | |
8382 | continue; | |
8383 | } | |
de6b9933 LV |
8384 | dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", |
8385 | iface, tswap32(dest), tswap32(gw), flags, refcnt, use, | |
8386 | metric, tswap32(mask), mtu, window, irtt); | |
8387 | } | |
8388 | ||
8389 | free(line); | |
8390 | fclose(fp); | |
8391 | ||
8392 | return 0; | |
8393 | } | |
8394 | #endif | |
8395 | ||
fff69382 | 8396 | #if defined(TARGET_SPARC) |
a0939b89 | 8397 | static int open_cpuinfo(CPUArchState *cpu_env, int fd) |
fff69382 LV |
8398 | { |
8399 | dprintf(fd, "type\t\t: sun4u\n"); | |
8400 | return 0; | |
8401 | } | |
8402 | #endif | |
8403 | ||
93a5661d | 8404 | #if defined(TARGET_HPPA) |
a0939b89 | 8405 | static int open_cpuinfo(CPUArchState *cpu_env, int fd) |
93a5661d | 8406 | { |
e0174afe HD |
8407 | int i, num_cpus; |
8408 | ||
8409 | num_cpus = sysconf(_SC_NPROCESSORS_ONLN); | |
8410 | for (i = 0; i < num_cpus; i++) { | |
8411 | dprintf(fd, "processor\t: %d\n", i); | |
8412 | dprintf(fd, "cpu family\t: PA-RISC 1.1e\n"); | |
8413 | dprintf(fd, "cpu\t\t: PA7300LC (PCX-L2)\n"); | |
8414 | dprintf(fd, "capabilities\t: os32\n"); | |
8415 | dprintf(fd, "model\t\t: 9000/778/B160L - " | |
8416 | "Merlin L2 160 QEMU (9000/778/B160L)\n\n"); | |
8417 | } | |
93a5661d HD |
8418 | return 0; |
8419 | } | |
8420 | #endif | |
8421 | ||
8ddc171b AB |
8422 | #if defined(TARGET_RISCV) |
8423 | static int open_cpuinfo(CPUArchState *cpu_env, int fd) | |
8424 | { | |
8425 | int i; | |
8426 | int num_cpus = sysconf(_SC_NPROCESSORS_ONLN); | |
8427 | RISCVCPU *cpu = env_archcpu(cpu_env); | |
8428 | const RISCVCPUConfig *cfg = riscv_cpu_cfg((CPURISCVState *) cpu_env); | |
8429 | char *isa_string = riscv_isa_string(cpu); | |
8430 | const char *mmu; | |
8431 | ||
8432 | if (cfg->mmu) { | |
8433 | mmu = (cpu_env->xl == MXL_RV32) ? "sv32" : "sv48"; | |
8434 | } else { | |
8435 | mmu = "none"; | |
8436 | } | |
8437 | ||
8438 | for (i = 0; i < num_cpus; i++) { | |
8439 | dprintf(fd, "processor\t: %d\n", i); | |
8440 | dprintf(fd, "hart\t\t: %d\n", i); | |
8441 | dprintf(fd, "isa\t\t: %s\n", isa_string); | |
8442 | dprintf(fd, "mmu\t\t: %s\n", mmu); | |
8443 | dprintf(fd, "uarch\t\t: qemu\n\n"); | |
8444 | } | |
8445 | ||
8446 | g_free(isa_string); | |
8447 | return 0; | |
8448 | } | |
8449 | #endif | |
8450 | ||
1fb9bdaf IL |
8451 | #if defined(TARGET_S390X) |
8452 | /* | |
8453 | * Emulate what a Linux kernel running in qemu-system-s390x -M accel=tcg would | |
8454 | * show in /proc/cpuinfo. | |
8455 | * | |
8456 | * Skip the following in order to match the missing support in op_ecag(): | |
8457 | * - show_cacheinfo(). | |
8458 | * - show_cpu_topology(). | |
8459 | * - show_cpu_mhz(). | |
8460 | * | |
8461 | * Use fixed values for certain fields: | |
8462 | * - bogomips per cpu - from a qemu-system-s390x run. | |
8463 | * - max thread id = 0, since SMT / SIGP_SET_MULTI_THREADING is not supported. | |
8464 | * | |
8465 | * Keep the code structure close to arch/s390/kernel/processor.c. | |
8466 | */ | |
8467 | ||
8468 | static void show_facilities(int fd) | |
8469 | { | |
8470 | size_t sizeof_stfl_bytes = 2048; | |
8471 | g_autofree uint8_t *stfl_bytes = g_new0(uint8_t, sizeof_stfl_bytes); | |
8472 | unsigned int bit; | |
8473 | ||
8474 | dprintf(fd, "facilities :"); | |
8475 | s390_get_feat_block(S390_FEAT_TYPE_STFL, stfl_bytes); | |
8476 | for (bit = 0; bit < sizeof_stfl_bytes * 8; bit++) { | |
8477 | if (test_be_bit(bit, stfl_bytes)) { | |
8478 | dprintf(fd, " %d", bit); | |
8479 | } | |
8480 | } | |
8481 | dprintf(fd, "\n"); | |
8482 | } | |
8483 | ||
8484 | static int cpu_ident(unsigned long n) | |
8485 | { | |
8486 | return deposit32(0, CPU_ID_BITS - CPU_PHYS_ADDR_BITS, CPU_PHYS_ADDR_BITS, | |
8487 | n); | |
8488 | } | |
8489 | ||
8490 | static void show_cpu_summary(CPUArchState *cpu_env, int fd) | |
8491 | { | |
8492 | S390CPUModel *model = env_archcpu(cpu_env)->model; | |
8493 | int num_cpus = sysconf(_SC_NPROCESSORS_ONLN); | |
8494 | uint32_t elf_hwcap = get_elf_hwcap(); | |
8495 | const char *hwcap_str; | |
8496 | int i; | |
8497 | ||
8498 | dprintf(fd, "vendor_id : IBM/S390\n" | |
8499 | "# processors : %i\n" | |
8500 | "bogomips per cpu: 13370.00\n", | |
8501 | num_cpus); | |
8502 | dprintf(fd, "max thread id : 0\n"); | |
8503 | dprintf(fd, "features\t: "); | |
8504 | for (i = 0; i < sizeof(elf_hwcap) * 8; i++) { | |
8505 | if (!(elf_hwcap & (1 << i))) { | |
8506 | continue; | |
8507 | } | |
8508 | hwcap_str = elf_hwcap_str(i); | |
8509 | if (hwcap_str) { | |
8510 | dprintf(fd, "%s ", hwcap_str); | |
8511 | } | |
8512 | } | |
8513 | dprintf(fd, "\n"); | |
8514 | show_facilities(fd); | |
8515 | for (i = 0; i < num_cpus; i++) { | |
8516 | dprintf(fd, "processor %d: " | |
8517 | "version = %02X, " | |
8518 | "identification = %06X, " | |
8519 | "machine = %04X\n", | |
8520 | i, model->cpu_ver, cpu_ident(i), model->def->type); | |
8521 | } | |
8522 | } | |
8523 | ||
8524 | static void show_cpu_ids(CPUArchState *cpu_env, int fd, unsigned long n) | |
8525 | { | |
8526 | S390CPUModel *model = env_archcpu(cpu_env)->model; | |
8527 | ||
8528 | dprintf(fd, "version : %02X\n", model->cpu_ver); | |
8529 | dprintf(fd, "identification : %06X\n", cpu_ident(n)); | |
8530 | dprintf(fd, "machine : %04X\n", model->def->type); | |
8531 | } | |
8532 | ||
8533 | static void show_cpuinfo(CPUArchState *cpu_env, int fd, unsigned long n) | |
8534 | { | |
8535 | dprintf(fd, "\ncpu number : %ld\n", n); | |
8536 | show_cpu_ids(cpu_env, fd, n); | |
8537 | } | |
8538 | ||
8539 | static int open_cpuinfo(CPUArchState *cpu_env, int fd) | |
8540 | { | |
8541 | int num_cpus = sysconf(_SC_NPROCESSORS_ONLN); | |
8542 | int i; | |
8543 | ||
8544 | show_cpu_summary(cpu_env, fd); | |
8545 | for (i = 0; i < num_cpus; i++) { | |
8546 | show_cpuinfo(cpu_env, fd, i); | |
8547 | } | |
8548 | return 0; | |
8549 | } | |
8550 | #endif | |
8551 | ||
4ab6713e | 8552 | #if defined(TARGET_M68K) |
a0939b89 | 8553 | static int open_hardware(CPUArchState *cpu_env, int fd) |
4ab6713e LV |
8554 | { |
8555 | dprintf(fd, "Model:\t\tqemu-m68k\n"); | |
8556 | return 0; | |
8557 | } | |
8558 | #endif | |
8559 | ||
b8002058 HD |
8560 | |
8561 | int do_guest_openat(CPUArchState *cpu_env, int dirfd, const char *fname, | |
35be898e | 8562 | int flags, mode_t mode, bool safe) |
3be14d05 | 8563 | { |
b8002058 HD |
8564 | g_autofree char *proc_name = NULL; |
8565 | const char *pathname; | |
3be14d05 AG |
8566 | struct fake_open { |
8567 | const char *filename; | |
a0939b89 | 8568 | int (*fill)(CPUArchState *cpu_env, int fd); |
de6b9933 | 8569 | int (*cmp)(const char *s1, const char *s2); |
3be14d05 AG |
8570 | }; |
8571 | const struct fake_open *fake_open; | |
8572 | static const struct fake_open fakes[] = { | |
de6b9933 | 8573 | { "maps", open_self_maps, is_proc_myself }, |
77ae5761 | 8574 | { "smaps", open_self_smaps, is_proc_myself }, |
de6b9933 LV |
8575 | { "stat", open_self_stat, is_proc_myself }, |
8576 | { "auxv", open_self_auxv, is_proc_myself }, | |
76b94245 | 8577 | { "cmdline", open_self_cmdline, is_proc_myself }, |
ee3eb3a7 | 8578 | #if HOST_BIG_ENDIAN != TARGET_BIG_ENDIAN |
de6b9933 | 8579 | { "/proc/net/route", open_net_route, is_proc }, |
fff69382 | 8580 | #endif |
1fb9bdaf IL |
8581 | #if defined(TARGET_SPARC) || defined(TARGET_HPPA) || \ |
8582 | defined(TARGET_RISCV) || defined(TARGET_S390X) | |
fff69382 | 8583 | { "/proc/cpuinfo", open_cpuinfo, is_proc }, |
4ab6713e LV |
8584 | #endif |
8585 | #if defined(TARGET_M68K) | |
8586 | { "/proc/hardware", open_hardware, is_proc }, | |
de6b9933 LV |
8587 | #endif |
8588 | { NULL, NULL, NULL } | |
3be14d05 AG |
8589 | }; |
8590 | ||
b8002058 HD |
8591 | /* if this is a file from /proc/ filesystem, expand full name */ |
8592 | proc_name = realpath(fname, NULL); | |
8593 | if (proc_name && strncmp(proc_name, "/proc/", 6) == 0) { | |
8594 | pathname = proc_name; | |
8595 | } else { | |
8596 | pathname = fname; | |
8597 | } | |
8598 | ||
aa07f5ec | 8599 | if (is_proc_myself(pathname, "exe")) { |
35be898e IL |
8600 | if (safe) { |
8601 | return safe_openat(dirfd, exec_path, flags, mode); | |
8602 | } else { | |
8603 | return openat(dirfd, exec_path, flags, mode); | |
8604 | } | |
aa07f5ec MO |
8605 | } |
8606 | ||
3be14d05 | 8607 | for (fake_open = fakes; fake_open->filename; fake_open++) { |
de6b9933 | 8608 | if (fake_open->cmp(pathname, fake_open->filename)) { |
3be14d05 AG |
8609 | break; |
8610 | } | |
8611 | } | |
8612 | ||
8613 | if (fake_open->filename) { | |
8614 | const char *tmpdir; | |
8615 | char filename[PATH_MAX]; | |
8616 | int fd, r; | |
8617 | ||
5b63de6b | 8618 | fd = memfd_create("qemu-open", 0); |
3be14d05 | 8619 | if (fd < 0) { |
5b63de6b RM |
8620 | if (errno != ENOSYS) { |
8621 | return fd; | |
8622 | } | |
8623 | /* create temporary file to map stat to */ | |
8624 | tmpdir = getenv("TMPDIR"); | |
8625 | if (!tmpdir) | |
8626 | tmpdir = "/tmp"; | |
8627 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
8628 | fd = mkstemp(filename); | |
8629 | if (fd < 0) { | |
8630 | return fd; | |
8631 | } | |
8632 | unlink(filename); | |
3be14d05 | 8633 | } |
3be14d05 AG |
8634 | |
8635 | if ((r = fake_open->fill(cpu_env, fd))) { | |
a3ca7bb2 | 8636 | int e = errno; |
3be14d05 | 8637 | close(fd); |
a3ca7bb2 | 8638 | errno = e; |
3be14d05 AG |
8639 | return r; |
8640 | } | |
8641 | lseek(fd, 0, SEEK_SET); | |
8642 | ||
8643 | return fd; | |
8644 | } | |
8645 | ||
35be898e IL |
8646 | if (safe) { |
8647 | return safe_openat(dirfd, path(pathname), flags, mode); | |
8648 | } else { | |
8649 | return openat(dirfd, path(pathname), flags, mode); | |
8650 | } | |
3be14d05 AG |
8651 | } |
8652 | ||
a4dab0a0 IL |
8653 | ssize_t do_guest_readlink(const char *pathname, char *buf, size_t bufsiz) |
8654 | { | |
8655 | ssize_t ret; | |
8656 | ||
8657 | if (!pathname || !buf) { | |
8658 | errno = EFAULT; | |
8659 | return -1; | |
8660 | } | |
8661 | ||
8662 | if (!bufsiz) { | |
8663 | /* Short circuit this for the magic exe check. */ | |
8664 | errno = EINVAL; | |
8665 | return -1; | |
8666 | } | |
8667 | ||
8668 | if (is_proc_myself((const char *)pathname, "exe")) { | |
8669 | /* | |
8670 | * Don't worry about sign mismatch as earlier mapping | |
8671 | * logic would have thrown a bad address error. | |
8672 | */ | |
8673 | ret = MIN(strlen(exec_path), bufsiz); | |
8674 | /* We cannot NUL terminate the string. */ | |
8675 | memcpy(buf, exec_path, ret); | |
8676 | } else { | |
8677 | ret = readlink(path(pathname), buf, bufsiz); | |
8678 | } | |
8679 | ||
8680 | return ret; | |
8681 | } | |
8682 | ||
7a8d9f3a PB |
8683 | static int do_execv(CPUArchState *cpu_env, int dirfd, |
8684 | abi_long pathname, abi_long guest_argp, | |
8685 | abi_long guest_envp, int flags, bool is_execveat) | |
156e1f67 DD |
8686 | { |
8687 | int ret; | |
8688 | char **argp, **envp; | |
8689 | int argc, envc; | |
8690 | abi_ulong gp; | |
8691 | abi_ulong addr; | |
8692 | char **q; | |
8693 | void *p; | |
8694 | ||
8695 | argc = 0; | |
8696 | ||
8697 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { | |
8698 | if (get_user_ual(addr, gp)) { | |
8699 | return -TARGET_EFAULT; | |
8700 | } | |
8701 | if (!addr) { | |
8702 | break; | |
8703 | } | |
8704 | argc++; | |
8705 | } | |
8706 | envc = 0; | |
8707 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { | |
8708 | if (get_user_ual(addr, gp)) { | |
8709 | return -TARGET_EFAULT; | |
8710 | } | |
8711 | if (!addr) { | |
8712 | break; | |
8713 | } | |
8714 | envc++; | |
8715 | } | |
8716 | ||
8717 | argp = g_new0(char *, argc + 1); | |
8718 | envp = g_new0(char *, envc + 1); | |
8719 | ||
8720 | for (gp = guest_argp, q = argp; gp; gp += sizeof(abi_ulong), q++) { | |
8721 | if (get_user_ual(addr, gp)) { | |
8722 | goto execve_efault; | |
8723 | } | |
8724 | if (!addr) { | |
8725 | break; | |
8726 | } | |
8727 | *q = lock_user_string(addr); | |
8728 | if (!*q) { | |
8729 | goto execve_efault; | |
8730 | } | |
8731 | } | |
8732 | *q = NULL; | |
8733 | ||
8734 | for (gp = guest_envp, q = envp; gp; gp += sizeof(abi_ulong), q++) { | |
8735 | if (get_user_ual(addr, gp)) { | |
8736 | goto execve_efault; | |
8737 | } | |
8738 | if (!addr) { | |
8739 | break; | |
8740 | } | |
8741 | *q = lock_user_string(addr); | |
8742 | if (!*q) { | |
8743 | goto execve_efault; | |
8744 | } | |
8745 | } | |
8746 | *q = NULL; | |
8747 | ||
8748 | /* | |
8749 | * Although execve() is not an interruptible syscall it is | |
8750 | * a special case where we must use the safe_syscall wrapper: | |
8751 | * if we allow a signal to happen before we make the host | |
8752 | * syscall then we will 'lose' it, because at the point of | |
8753 | * execve the process leaves QEMU's control. So we use the | |
8754 | * safe syscall wrapper to ensure that we either take the | |
8755 | * signal as a guest signal, or else it does not happen | |
8756 | * before the execve completes and makes it the other | |
8757 | * program's problem. | |
8758 | */ | |
8759 | p = lock_user_string(pathname); | |
8760 | if (!p) { | |
8761 | goto execve_efault; | |
8762 | } | |
8763 | ||
7a8d9f3a | 8764 | const char *exe = p; |
156e1f67 | 8765 | if (is_proc_myself(p, "exe")) { |
7a8d9f3a | 8766 | exe = exec_path; |
156e1f67 | 8767 | } |
7a8d9f3a PB |
8768 | ret = is_execveat |
8769 | ? safe_execveat(dirfd, exe, argp, envp, flags) | |
8770 | : safe_execve(exe, argp, envp); | |
8771 | ret = get_errno(ret); | |
156e1f67 DD |
8772 | |
8773 | unlock_user(p, pathname, 0); | |
8774 | ||
8775 | goto execve_end; | |
8776 | ||
8777 | execve_efault: | |
8778 | ret = -TARGET_EFAULT; | |
8779 | ||
8780 | execve_end: | |
8781 | for (gp = guest_argp, q = argp; *q; gp += sizeof(abi_ulong), q++) { | |
8782 | if (get_user_ual(addr, gp) || !addr) { | |
8783 | break; | |
8784 | } | |
8785 | unlock_user(*q, addr, 0); | |
8786 | } | |
8787 | for (gp = guest_envp, q = envp; *q; gp += sizeof(abi_ulong), q++) { | |
8788 | if (get_user_ual(addr, gp) || !addr) { | |
8789 | break; | |
8790 | } | |
8791 | unlock_user(*q, addr, 0); | |
8792 | } | |
8793 | ||
8794 | g_free(argp); | |
8795 | g_free(envp); | |
8796 | return ret; | |
8797 | } | |
8798 | ||
aecc8861 AG |
8799 | #define TIMER_MAGIC 0x0caf0000 |
8800 | #define TIMER_MAGIC_MASK 0xffff0000 | |
8801 | ||
8802 | /* Convert QEMU provided timer ID back to internal 16bit index format */ | |
8803 | static target_timer_t get_timer_id(abi_long arg) | |
8804 | { | |
8805 | target_timer_t timerid = arg; | |
8806 | ||
8807 | if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) { | |
8808 | return -TARGET_EINVAL; | |
8809 | } | |
8810 | ||
8811 | timerid &= 0xffff; | |
8812 | ||
8813 | if (timerid >= ARRAY_SIZE(g_posix_timers)) { | |
8814 | return -TARGET_EINVAL; | |
8815 | } | |
8816 | ||
8817 | return timerid; | |
8818 | } | |
8819 | ||
2e0a8713 ST |
8820 | static int target_to_host_cpu_mask(unsigned long *host_mask, |
8821 | size_t host_size, | |
8822 | abi_ulong target_addr, | |
8823 | size_t target_size) | |
8824 | { | |
8825 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
8826 | unsigned host_bits = sizeof(*host_mask) * 8; | |
8827 | abi_ulong *target_mask; | |
8828 | unsigned i, j; | |
8829 | ||
8830 | assert(host_size >= target_size); | |
8831 | ||
8832 | target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1); | |
8833 | if (!target_mask) { | |
8834 | return -TARGET_EFAULT; | |
8835 | } | |
8836 | memset(host_mask, 0, host_size); | |
8837 | ||
8838 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
8839 | unsigned bit = i * target_bits; | |
8840 | abi_ulong val; | |
8841 | ||
8842 | __get_user(val, &target_mask[i]); | |
8843 | for (j = 0; j < target_bits; j++, bit++) { | |
8844 | if (val & (1UL << j)) { | |
8845 | host_mask[bit / host_bits] |= 1UL << (bit % host_bits); | |
8846 | } | |
8847 | } | |
8848 | } | |
8849 | ||
8850 | unlock_user(target_mask, target_addr, 0); | |
8851 | return 0; | |
8852 | } | |
8853 | ||
8854 | static int host_to_target_cpu_mask(const unsigned long *host_mask, | |
8855 | size_t host_size, | |
8856 | abi_ulong target_addr, | |
8857 | size_t target_size) | |
8858 | { | |
8859 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
8860 | unsigned host_bits = sizeof(*host_mask) * 8; | |
8861 | abi_ulong *target_mask; | |
8862 | unsigned i, j; | |
8863 | ||
8864 | assert(host_size >= target_size); | |
8865 | ||
8866 | target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0); | |
8867 | if (!target_mask) { | |
8868 | return -TARGET_EFAULT; | |
8869 | } | |
8870 | ||
8871 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
8872 | unsigned bit = i * target_bits; | |
8873 | abi_ulong val = 0; | |
8874 | ||
8875 | for (j = 0; j < target_bits; j++, bit++) { | |
8876 | if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) { | |
8877 | val |= 1UL << j; | |
8878 | } | |
8879 | } | |
8880 | __put_user(val, &target_mask[i]); | |
8881 | } | |
8882 | ||
8883 | unlock_user(target_mask, target_addr, target_size); | |
8884 | return 0; | |
8885 | } | |
8886 | ||
fd08ddb9 | 8887 | #ifdef TARGET_NR_getdents |
aee14c77 | 8888 | static int do_getdents(abi_long dirfd, abi_long arg2, abi_long count) |
fd08ddb9 | 8889 | { |
aee14c77 RH |
8890 | g_autofree void *hdirp = NULL; |
8891 | void *tdirp; | |
8892 | int hlen, hoff, toff; | |
8893 | int hreclen, treclen; | |
8894 | off64_t prev_diroff = 0; | |
8895 | ||
8896 | hdirp = g_try_malloc(count); | |
8897 | if (!hdirp) { | |
8898 | return -TARGET_ENOMEM; | |
8899 | } | |
fd08ddb9 RH |
8900 | |
8901 | #ifdef EMULATE_GETDENTS_WITH_GETDENTS | |
aee14c77 RH |
8902 | hlen = sys_getdents(dirfd, hdirp, count); |
8903 | #else | |
8904 | hlen = sys_getdents64(dirfd, hdirp, count); | |
8905 | #endif | |
fd08ddb9 | 8906 | |
aee14c77 RH |
8907 | hlen = get_errno(hlen); |
8908 | if (is_error(hlen)) { | |
8909 | return hlen; | |
fd08ddb9 RH |
8910 | } |
8911 | ||
aee14c77 RH |
8912 | tdirp = lock_user(VERIFY_WRITE, arg2, count, 0); |
8913 | if (!tdirp) { | |
fd08ddb9 RH |
8914 | return -TARGET_EFAULT; |
8915 | } | |
aee14c77 RH |
8916 | |
8917 | for (hoff = toff = 0; hoff < hlen; hoff += hreclen, toff += treclen) { | |
8918 | #ifdef EMULATE_GETDENTS_WITH_GETDENTS | |
8919 | struct linux_dirent *hde = hdirp + hoff; | |
fd08ddb9 | 8920 | #else |
aee14c77 RH |
8921 | struct linux_dirent64 *hde = hdirp + hoff; |
8922 | #endif | |
8923 | struct target_dirent *tde = tdirp + toff; | |
8924 | int namelen; | |
8925 | uint8_t type; | |
fd08ddb9 | 8926 | |
aee14c77 RH |
8927 | namelen = strlen(hde->d_name); |
8928 | hreclen = hde->d_reclen; | |
8929 | treclen = offsetof(struct target_dirent, d_name) + namelen + 2; | |
8930 | treclen = QEMU_ALIGN_UP(treclen, __alignof(struct target_dirent)); | |
fd08ddb9 | 8931 | |
aee14c77 | 8932 | if (toff + treclen > count) { |
fd08ddb9 | 8933 | /* |
aee14c77 RH |
8934 | * If the host struct is smaller than the target struct, or |
8935 | * requires less alignment and thus packs into less space, | |
8936 | * then the host can return more entries than we can pass | |
8937 | * on to the guest. | |
fd08ddb9 | 8938 | */ |
aee14c77 RH |
8939 | if (toff == 0) { |
8940 | toff = -TARGET_EINVAL; /* result buffer is too small */ | |
8941 | break; | |
8942 | } | |
8943 | /* | |
8944 | * Return what we have, resetting the file pointer to the | |
8945 | * location of the first record not returned. | |
8946 | */ | |
8947 | lseek64(dirfd, prev_diroff, SEEK_SET); | |
8948 | break; | |
fd08ddb9 | 8949 | } |
aee14c77 RH |
8950 | |
8951 | prev_diroff = hde->d_off; | |
8952 | tde->d_ino = tswapal(hde->d_ino); | |
8953 | tde->d_off = tswapal(hde->d_off); | |
8954 | tde->d_reclen = tswap16(treclen); | |
8955 | memcpy(tde->d_name, hde->d_name, namelen + 1); | |
8956 | ||
8957 | /* | |
8958 | * The getdents type is in what was formerly a padding byte at the | |
8959 | * end of the structure. | |
8960 | */ | |
8961 | #ifdef EMULATE_GETDENTS_WITH_GETDENTS | |
8962 | type = *((uint8_t *)hde + hreclen - 1); | |
8963 | #else | |
8964 | type = hde->d_type; | |
fd08ddb9 | 8965 | #endif |
aee14c77 RH |
8966 | *((uint8_t *)tde + treclen - 1) = type; |
8967 | } | |
8968 | ||
8969 | unlock_user(tdirp, arg2, toff); | |
8970 | return toff; | |
fd08ddb9 RH |
8971 | } |
8972 | #endif /* TARGET_NR_getdents */ | |
8973 | ||
8974 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) | |
aee14c77 | 8975 | static int do_getdents64(abi_long dirfd, abi_long arg2, abi_long count) |
fd08ddb9 | 8976 | { |
aee14c77 RH |
8977 | g_autofree void *hdirp = NULL; |
8978 | void *tdirp; | |
8979 | int hlen, hoff, toff; | |
8980 | int hreclen, treclen; | |
8981 | off64_t prev_diroff = 0; | |
8982 | ||
8983 | hdirp = g_try_malloc(count); | |
8984 | if (!hdirp) { | |
8985 | return -TARGET_ENOMEM; | |
8986 | } | |
fd08ddb9 | 8987 | |
aee14c77 RH |
8988 | hlen = get_errno(sys_getdents64(dirfd, hdirp, count)); |
8989 | if (is_error(hlen)) { | |
8990 | return hlen; | |
8991 | } | |
8992 | ||
8993 | tdirp = lock_user(VERIFY_WRITE, arg2, count, 0); | |
8994 | if (!tdirp) { | |
fd08ddb9 RH |
8995 | return -TARGET_EFAULT; |
8996 | } | |
aee14c77 RH |
8997 | |
8998 | for (hoff = toff = 0; hoff < hlen; hoff += hreclen, toff += treclen) { | |
8999 | struct linux_dirent64 *hde = hdirp + hoff; | |
9000 | struct target_dirent64 *tde = tdirp + toff; | |
9001 | int namelen; | |
9002 | ||
9003 | namelen = strlen(hde->d_name) + 1; | |
9004 | hreclen = hde->d_reclen; | |
9005 | treclen = offsetof(struct target_dirent64, d_name) + namelen; | |
9006 | treclen = QEMU_ALIGN_UP(treclen, __alignof(struct target_dirent64)); | |
9007 | ||
9008 | if (toff + treclen > count) { | |
9009 | /* | |
9010 | * If the host struct is smaller than the target struct, or | |
9011 | * requires less alignment and thus packs into less space, | |
9012 | * then the host can return more entries than we can pass | |
9013 | * on to the guest. | |
9014 | */ | |
9015 | if (toff == 0) { | |
9016 | toff = -TARGET_EINVAL; /* result buffer is too small */ | |
fd08ddb9 RH |
9017 | break; |
9018 | } | |
aee14c77 RH |
9019 | /* |
9020 | * Return what we have, resetting the file pointer to the | |
9021 | * location of the first record not returned. | |
9022 | */ | |
9023 | lseek64(dirfd, prev_diroff, SEEK_SET); | |
9024 | break; | |
fd08ddb9 | 9025 | } |
aee14c77 RH |
9026 | |
9027 | prev_diroff = hde->d_off; | |
9028 | tde->d_ino = tswap64(hde->d_ino); | |
9029 | tde->d_off = tswap64(hde->d_off); | |
9030 | tde->d_reclen = tswap16(treclen); | |
9031 | tde->d_type = hde->d_type; | |
9032 | memcpy(tde->d_name, hde->d_name, namelen); | |
fd08ddb9 | 9033 | } |
aee14c77 RH |
9034 | |
9035 | unlock_user(tdirp, arg2, toff); | |
9036 | return toff; | |
fd08ddb9 RH |
9037 | } |
9038 | #endif /* TARGET_NR_getdents64 */ | |
9039 | ||
9e1c7d98 RE |
9040 | #if defined(TARGET_NR_riscv_hwprobe) |
9041 | ||
9042 | #define RISCV_HWPROBE_KEY_MVENDORID 0 | |
9043 | #define RISCV_HWPROBE_KEY_MARCHID 1 | |
9044 | #define RISCV_HWPROBE_KEY_MIMPID 2 | |
9045 | ||
9046 | #define RISCV_HWPROBE_KEY_BASE_BEHAVIOR 3 | |
9047 | #define RISCV_HWPROBE_BASE_BEHAVIOR_IMA (1 << 0) | |
9048 | ||
9049 | #define RISCV_HWPROBE_KEY_IMA_EXT_0 4 | |
9050 | #define RISCV_HWPROBE_IMA_FD (1 << 0) | |
9051 | #define RISCV_HWPROBE_IMA_C (1 << 1) | |
9052 | ||
9053 | #define RISCV_HWPROBE_KEY_CPUPERF_0 5 | |
9054 | #define RISCV_HWPROBE_MISALIGNED_UNKNOWN (0 << 0) | |
9055 | #define RISCV_HWPROBE_MISALIGNED_EMULATED (1 << 0) | |
9056 | #define RISCV_HWPROBE_MISALIGNED_SLOW (2 << 0) | |
9057 | #define RISCV_HWPROBE_MISALIGNED_FAST (3 << 0) | |
9058 | #define RISCV_HWPROBE_MISALIGNED_UNSUPPORTED (4 << 0) | |
9059 | #define RISCV_HWPROBE_MISALIGNED_MASK (7 << 0) | |
9060 | ||
9061 | struct riscv_hwprobe { | |
9062 | abi_llong key; | |
9063 | abi_ullong value; | |
9064 | }; | |
9065 | ||
9066 | static void risc_hwprobe_fill_pairs(CPURISCVState *env, | |
9067 | struct riscv_hwprobe *pair, | |
9068 | size_t pair_count) | |
9069 | { | |
9070 | const RISCVCPUConfig *cfg = riscv_cpu_cfg(env); | |
9071 | ||
9072 | for (; pair_count > 0; pair_count--, pair++) { | |
9073 | abi_llong key; | |
9074 | abi_ullong value; | |
9075 | __put_user(0, &pair->value); | |
9076 | __get_user(key, &pair->key); | |
9077 | switch (key) { | |
9078 | case RISCV_HWPROBE_KEY_MVENDORID: | |
9079 | __put_user(cfg->mvendorid, &pair->value); | |
9080 | break; | |
9081 | case RISCV_HWPROBE_KEY_MARCHID: | |
9082 | __put_user(cfg->marchid, &pair->value); | |
9083 | break; | |
9084 | case RISCV_HWPROBE_KEY_MIMPID: | |
9085 | __put_user(cfg->mimpid, &pair->value); | |
9086 | break; | |
9087 | case RISCV_HWPROBE_KEY_BASE_BEHAVIOR: | |
9088 | value = riscv_has_ext(env, RVI) && | |
9089 | riscv_has_ext(env, RVM) && | |
9090 | riscv_has_ext(env, RVA) ? | |
9091 | RISCV_HWPROBE_BASE_BEHAVIOR_IMA : 0; | |
9092 | __put_user(value, &pair->value); | |
9093 | break; | |
9094 | case RISCV_HWPROBE_KEY_IMA_EXT_0: | |
9095 | value = riscv_has_ext(env, RVF) && | |
9096 | riscv_has_ext(env, RVD) ? | |
9097 | RISCV_HWPROBE_IMA_FD : 0; | |
9098 | value |= riscv_has_ext(env, RVC) ? | |
9099 | RISCV_HWPROBE_IMA_C : pair->value; | |
9100 | __put_user(value, &pair->value); | |
9101 | break; | |
9102 | case RISCV_HWPROBE_KEY_CPUPERF_0: | |
9103 | __put_user(RISCV_HWPROBE_MISALIGNED_FAST, &pair->value); | |
9104 | break; | |
9105 | default: | |
9106 | __put_user(-1, &pair->key); | |
9107 | break; | |
9108 | } | |
9109 | } | |
9110 | } | |
9111 | ||
9112 | static int cpu_set_valid(abi_long arg3, abi_long arg4) | |
9113 | { | |
9114 | int ret, i, tmp; | |
9115 | size_t host_mask_size, target_mask_size; | |
9116 | unsigned long *host_mask; | |
9117 | ||
9118 | /* | |
9119 | * cpu_set_t represent CPU masks as bit masks of type unsigned long *. | |
9120 | * arg3 contains the cpu count. | |
9121 | */ | |
9122 | tmp = (8 * sizeof(abi_ulong)); | |
9123 | target_mask_size = ((arg3 + tmp - 1) / tmp) * sizeof(abi_ulong); | |
9124 | host_mask_size = (target_mask_size + (sizeof(*host_mask) - 1)) & | |
9125 | ~(sizeof(*host_mask) - 1); | |
9126 | ||
9127 | host_mask = alloca(host_mask_size); | |
9128 | ||
9129 | ret = target_to_host_cpu_mask(host_mask, host_mask_size, | |
9130 | arg4, target_mask_size); | |
9131 | if (ret != 0) { | |
9132 | return ret; | |
9133 | } | |
9134 | ||
9135 | for (i = 0 ; i < host_mask_size / sizeof(*host_mask); i++) { | |
9136 | if (host_mask[i] != 0) { | |
9137 | return 0; | |
9138 | } | |
9139 | } | |
9140 | return -TARGET_EINVAL; | |
9141 | } | |
9142 | ||
9143 | static abi_long do_riscv_hwprobe(CPUArchState *cpu_env, abi_long arg1, | |
9144 | abi_long arg2, abi_long arg3, | |
9145 | abi_long arg4, abi_long arg5) | |
9146 | { | |
9147 | int ret; | |
9148 | struct riscv_hwprobe *host_pairs; | |
9149 | ||
9150 | /* flags must be 0 */ | |
9151 | if (arg5 != 0) { | |
9152 | return -TARGET_EINVAL; | |
9153 | } | |
9154 | ||
9155 | /* check cpu_set */ | |
9156 | if (arg3 != 0) { | |
9157 | ret = cpu_set_valid(arg3, arg4); | |
9158 | if (ret != 0) { | |
9159 | return ret; | |
9160 | } | |
9161 | } else if (arg4 != 0) { | |
9162 | return -TARGET_EINVAL; | |
9163 | } | |
9164 | ||
9165 | /* no pairs */ | |
9166 | if (arg2 == 0) { | |
9167 | return 0; | |
9168 | } | |
9169 | ||
9170 | host_pairs = lock_user(VERIFY_WRITE, arg1, | |
9171 | sizeof(*host_pairs) * (size_t)arg2, 0); | |
9172 | if (host_pairs == NULL) { | |
9173 | return -TARGET_EFAULT; | |
9174 | } | |
9175 | risc_hwprobe_fill_pairs(cpu_env, host_pairs, arg2); | |
9176 | unlock_user(host_pairs, arg1, sizeof(*host_pairs) * (size_t)arg2); | |
9177 | return 0; | |
9178 | } | |
9179 | #endif /* TARGET_NR_riscv_hwprobe */ | |
9180 | ||
e10fbe8f YT |
9181 | #if defined(TARGET_NR_pivot_root) && defined(__NR_pivot_root) |
9182 | _syscall2(int, pivot_root, const char *, new_root, const char *, put_old) | |
9183 | #endif | |
9184 | ||
7f696cdd TW |
9185 | #if defined(TARGET_NR_open_tree) && defined(__NR_open_tree) |
9186 | #define __NR_sys_open_tree __NR_open_tree | |
9187 | _syscall3(int, sys_open_tree, int, __dfd, const char *, __filename, | |
9188 | unsigned int, __flags) | |
9189 | #endif | |
9190 | ||
4b2d2753 TW |
9191 | #if defined(TARGET_NR_move_mount) && defined(__NR_move_mount) |
9192 | #define __NR_sys_move_mount __NR_move_mount | |
9193 | _syscall5(int, sys_move_mount, int, __from_dfd, const char *, __from_pathname, | |
9194 | int, __to_dfd, const char *, __to_pathname, unsigned int, flag) | |
9195 | #endif | |
9196 | ||
dc1ce18b RH |
9197 | /* This is an internal helper for do_syscall so that it is easier |
9198 | * to have a single return point, so that actions, such as logging | |
9199 | * of syscall results, can be performed. | |
9200 | * All errnos that do_syscall() returns must be -TARGET_<errcode>. | |
9201 | */ | |
a0939b89 | 9202 | static abi_long do_syscall1(CPUArchState *cpu_env, int num, abi_long arg1, |
dc1ce18b RH |
9203 | abi_long arg2, abi_long arg3, abi_long arg4, |
9204 | abi_long arg5, abi_long arg6, abi_long arg7, | |
9205 | abi_long arg8) | |
31e31b8a | 9206 | { |
29a0af61 | 9207 | CPUState *cpu = env_cpu(cpu_env); |
992f48a0 | 9208 | abi_long ret; |
4f7f8924 AR |
9209 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \ |
9210 | || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \ | |
efa92184 AR |
9211 | || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) \ |
9212 | || defined(TARGET_NR_statx) | |
31e31b8a | 9213 | struct stat st; |
4f7f8924 AR |
9214 | #endif |
9215 | #if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \ | |
9216 | || defined(TARGET_NR_fstatfs) | |
56c8f68f | 9217 | struct statfs stfs; |
4f7f8924 | 9218 | #endif |
53a5960a | 9219 | void *p; |
3b46e624 | 9220 | |
31e31b8a FB |
9221 | switch(num) { |
9222 | case TARGET_NR_exit: | |
9b056fcc | 9223 | /* In old applications this may be used to implement _exit(2). |
6f9ff551 | 9224 | However in threaded applications it is used for thread termination, |
9b056fcc AF |
9225 | and _exit_group is used for application termination. |
9226 | Do thread termination if we have more then one thread. */ | |
a0995886 TB |
9227 | |
9228 | if (block_signals()) { | |
af254a27 | 9229 | return -QEMU_ERESTARTSYS; |
a0995886 TB |
9230 | } |
9231 | ||
1f81ce90 | 9232 | pthread_mutex_lock(&clone_lock); |
dd1f6349 | 9233 | |
bdc44640 | 9234 | if (CPU_NEXT(first_cpu)) { |
1f81ce90 | 9235 | TaskState *ts = cpu->opaque; |
9b056fcc | 9236 | |
6490d9aa RH |
9237 | if (ts->child_tidptr) { |
9238 | put_user_u32(0, ts->child_tidptr); | |
9239 | do_sys_futex(g2h(cpu, ts->child_tidptr), | |
9240 | FUTEX_WAKE, INT_MAX, NULL, NULL, 0); | |
9241 | } | |
9242 | ||
9243 | object_unparent(OBJECT(cpu)); | |
1f81ce90 AB |
9244 | object_unref(OBJECT(cpu)); |
9245 | /* | |
9246 | * At this point the CPU should be unrealized and removed | |
9247 | * from cpu lists. We can clean-up the rest of the thread | |
9248 | * data without the lock held. | |
9249 | */ | |
dd1f6349 | 9250 | |
1f81ce90 | 9251 | pthread_mutex_unlock(&clone_lock); |
dd1f6349 | 9252 | |
a2247f8e | 9253 | thread_cpu = NULL; |
9b056fcc | 9254 | g_free(ts); |
70903763 | 9255 | rcu_unregister_thread(); |
9b056fcc AF |
9256 | pthread_exit(NULL); |
9257 | } | |
dd1f6349 | 9258 | |
1f81ce90 | 9259 | pthread_mutex_unlock(&clone_lock); |
708b6a64 | 9260 | preexit_cleanup(cpu_env, arg1); |
c2764719 | 9261 | _exit(arg1); |
72eb7ea8 | 9262 | return 0; /* avoid warning */ |
31e31b8a | 9263 | case TARGET_NR_read: |
ba584f1d AS |
9264 | if (arg2 == 0 && arg3 == 0) { |
9265 | return get_errno(safe_read(arg1, 0, 0)); | |
72eb7ea8 | 9266 | } else { |
38d840e6 | 9267 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
2852aafd | 9268 | return -TARGET_EFAULT; |
50afd02b | 9269 | ret = get_errno(safe_read(arg1, p, arg3)); |
e36800c9 | 9270 | if (ret >= 0 && |
5d4d3665 LV |
9271 | fd_trans_host_to_target_data(arg1)) { |
9272 | ret = fd_trans_host_to_target_data(arg1)(p, ret); | |
e36800c9 | 9273 | } |
38d840e6 AJ |
9274 | unlock_user(p, arg2, ret); |
9275 | } | |
72eb7ea8 | 9276 | return ret; |
31e31b8a | 9277 | case TARGET_NR_write: |
58cfa6c2 TGJ |
9278 | if (arg2 == 0 && arg3 == 0) { |
9279 | return get_errno(safe_write(arg1, 0, 0)); | |
9280 | } | |
579a97f7 | 9281 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
2852aafd | 9282 | return -TARGET_EFAULT; |
04b9bcf9 LV |
9283 | if (fd_trans_target_to_host_data(arg1)) { |
9284 | void *copy = g_malloc(arg3); | |
9285 | memcpy(copy, p, arg3); | |
9286 | ret = fd_trans_target_to_host_data(arg1)(copy, arg3); | |
9287 | if (ret >= 0) { | |
9288 | ret = get_errno(safe_write(arg1, copy, ret)); | |
9289 | } | |
9290 | g_free(copy); | |
9291 | } else { | |
9292 | ret = get_errno(safe_write(arg1, p, arg3)); | |
9293 | } | |
53a5960a | 9294 | unlock_user(p, arg2, 0); |
72eb7ea8 RH |
9295 | return ret; |
9296 | ||
704eff6c | 9297 | #ifdef TARGET_NR_open |
31e31b8a | 9298 | case TARGET_NR_open: |
2f619698 | 9299 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9300 | return -TARGET_EFAULT; |
a4dab0a0 | 9301 | ret = get_errno(do_guest_openat(cpu_env, AT_FDCWD, p, |
0b2effd7 | 9302 | target_to_host_bitmask(arg2, fcntl_flags_tbl), |
35be898e | 9303 | arg3, true)); |
e36800c9 | 9304 | fd_trans_unregister(ret); |
53a5960a | 9305 | unlock_user(p, arg1, 0); |
72eb7ea8 | 9306 | return ret; |
704eff6c | 9307 | #endif |
82424832 | 9308 | case TARGET_NR_openat: |
579a97f7 | 9309 | if (!(p = lock_user_string(arg2))) |
2852aafd | 9310 | return -TARGET_EFAULT; |
a4dab0a0 | 9311 | ret = get_errno(do_guest_openat(cpu_env, arg1, p, |
0b2effd7 | 9312 | target_to_host_bitmask(arg3, fcntl_flags_tbl), |
35be898e | 9313 | arg4, true)); |
e36800c9 | 9314 | fd_trans_unregister(ret); |
579a97f7 | 9315 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9316 | return ret; |
0f0426f3 LV |
9317 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
9318 | case TARGET_NR_name_to_handle_at: | |
9319 | ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5); | |
72eb7ea8 | 9320 | return ret; |
0f0426f3 LV |
9321 | #endif |
9322 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
9323 | case TARGET_NR_open_by_handle_at: | |
9324 | ret = do_open_by_handle_at(arg1, arg2, arg3); | |
e36800c9 | 9325 | fd_trans_unregister(ret); |
72eb7ea8 | 9326 | return ret; |
cc054c6f HD |
9327 | #endif |
9328 | #if defined(__NR_pidfd_open) && defined(TARGET_NR_pidfd_open) | |
9329 | case TARGET_NR_pidfd_open: | |
9330 | return get_errno(pidfd_open(arg1, arg2)); | |
9331 | #endif | |
9332 | #if defined(__NR_pidfd_send_signal) && defined(TARGET_NR_pidfd_send_signal) | |
9333 | case TARGET_NR_pidfd_send_signal: | |
9334 | { | |
46187d70 | 9335 | siginfo_t uinfo, *puinfo; |
cc054c6f | 9336 | |
46187d70 LV |
9337 | if (arg3) { |
9338 | p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); | |
9339 | if (!p) { | |
9340 | return -TARGET_EFAULT; | |
9341 | } | |
9342 | target_to_host_siginfo(&uinfo, p); | |
9343 | unlock_user(p, arg3, 0); | |
9344 | puinfo = &uinfo; | |
9345 | } else { | |
9346 | puinfo = NULL; | |
cc054c6f | 9347 | } |
cc054c6f | 9348 | ret = get_errno(pidfd_send_signal(arg1, target_to_host_signal(arg2), |
46187d70 | 9349 | puinfo, arg4)); |
cc054c6f HD |
9350 | } |
9351 | return ret; | |
9352 | #endif | |
9353 | #if defined(__NR_pidfd_getfd) && defined(TARGET_NR_pidfd_getfd) | |
9354 | case TARGET_NR_pidfd_getfd: | |
9355 | return get_errno(pidfd_getfd(arg1, arg2, arg3)); | |
0f0426f3 | 9356 | #endif |
31e31b8a | 9357 | case TARGET_NR_close: |
e36800c9 | 9358 | fd_trans_unregister(arg1); |
72eb7ea8 | 9359 | return get_errno(close(arg1)); |
af804f39 HD |
9360 | #if defined(__NR_close_range) && defined(TARGET_NR_close_range) |
9361 | case TARGET_NR_close_range: | |
9362 | ret = get_errno(sys_close_range(arg1, arg2, arg3)); | |
9363 | if (ret == 0 && !(arg3 & CLOSE_RANGE_CLOEXEC)) { | |
9364 | abi_long fd, maxfd; | |
9365 | maxfd = MIN(arg2, target_fd_max); | |
9366 | for (fd = arg1; fd < maxfd; fd++) { | |
9367 | fd_trans_unregister(fd); | |
9368 | } | |
9369 | } | |
9370 | return ret; | |
9371 | #endif | |
72eb7ea8 | 9372 | |
31e31b8a | 9373 | case TARGET_NR_brk: |
72eb7ea8 | 9374 | return do_brk(arg1); |
704eff6c | 9375 | #ifdef TARGET_NR_fork |
31e31b8a | 9376 | case TARGET_NR_fork: |
72eb7ea8 | 9377 | return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0)); |
704eff6c | 9378 | #endif |
e5febef5 | 9379 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
9380 | case TARGET_NR_waitpid: |
9381 | { | |
53a5960a | 9382 | int status; |
4af80a37 | 9383 | ret = get_errno(safe_wait4(arg1, &status, arg3, 0)); |
5379557b | 9384 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 9385 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2852aafd | 9386 | return -TARGET_EFAULT; |
31e31b8a | 9387 | } |
72eb7ea8 | 9388 | return ret; |
e5febef5 | 9389 | #endif |
f0cbb613 PB |
9390 | #ifdef TARGET_NR_waitid |
9391 | case TARGET_NR_waitid: | |
9392 | { | |
9393 | siginfo_t info; | |
9394 | info.si_pid = 0; | |
4af80a37 | 9395 | ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL)); |
f0cbb613 | 9396 | if (!is_error(ret) && arg3 && info.si_pid != 0) { |
c227f099 | 9397 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
2852aafd | 9398 | return -TARGET_EFAULT; |
f0cbb613 | 9399 | host_to_target_siginfo(p, &info); |
c227f099 | 9400 | unlock_user(p, arg3, sizeof(target_siginfo_t)); |
f0cbb613 PB |
9401 | } |
9402 | } | |
72eb7ea8 | 9403 | return ret; |
f0cbb613 | 9404 | #endif |
7a3148a9 | 9405 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 9406 | case TARGET_NR_creat: |
579a97f7 | 9407 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9408 | return -TARGET_EFAULT; |
53a5960a | 9409 | ret = get_errno(creat(p, arg2)); |
e36800c9 | 9410 | fd_trans_unregister(ret); |
53a5960a | 9411 | unlock_user(p, arg1, 0); |
72eb7ea8 | 9412 | return ret; |
7a3148a9 | 9413 | #endif |
704eff6c | 9414 | #ifdef TARGET_NR_link |
31e31b8a | 9415 | case TARGET_NR_link: |
53a5960a PB |
9416 | { |
9417 | void * p2; | |
9418 | p = lock_user_string(arg1); | |
9419 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
9420 | if (!p || !p2) |
9421 | ret = -TARGET_EFAULT; | |
9422 | else | |
9423 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
9424 | unlock_user(p2, arg2, 0); |
9425 | unlock_user(p, arg1, 0); | |
9426 | } | |
72eb7ea8 | 9427 | return ret; |
704eff6c | 9428 | #endif |
c0d472b1 | 9429 | #if defined(TARGET_NR_linkat) |
64f0ce4c | 9430 | case TARGET_NR_linkat: |
64f0ce4c TS |
9431 | { |
9432 | void * p2 = NULL; | |
579a97f7 | 9433 | if (!arg2 || !arg4) |
2852aafd | 9434 | return -TARGET_EFAULT; |
64f0ce4c TS |
9435 | p = lock_user_string(arg2); |
9436 | p2 = lock_user_string(arg4); | |
579a97f7 | 9437 | if (!p || !p2) |
0da46a6e | 9438 | ret = -TARGET_EFAULT; |
64f0ce4c | 9439 | else |
c0d472b1 | 9440 | ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
579a97f7 FB |
9441 | unlock_user(p, arg2, 0); |
9442 | unlock_user(p2, arg4, 0); | |
64f0ce4c | 9443 | } |
72eb7ea8 | 9444 | return ret; |
64f0ce4c | 9445 | #endif |
704eff6c | 9446 | #ifdef TARGET_NR_unlink |
31e31b8a | 9447 | case TARGET_NR_unlink: |
579a97f7 | 9448 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9449 | return -TARGET_EFAULT; |
53a5960a PB |
9450 | ret = get_errno(unlink(p)); |
9451 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9452 | return ret; |
704eff6c | 9453 | #endif |
c0d472b1 | 9454 | #if defined(TARGET_NR_unlinkat) |
8170f56b | 9455 | case TARGET_NR_unlinkat: |
579a97f7 | 9456 | if (!(p = lock_user_string(arg2))) |
2852aafd | 9457 | return -TARGET_EFAULT; |
c0d472b1 | 9458 | ret = get_errno(unlinkat(arg1, p, arg3)); |
579a97f7 | 9459 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9460 | return ret; |
b7d35e65 | 9461 | #endif |
55bbe4d5 | 9462 | case TARGET_NR_execveat: |
7a8d9f3a | 9463 | return do_execv(cpu_env, arg1, arg2, arg3, arg4, arg5, true); |
31e31b8a | 9464 | case TARGET_NR_execve: |
7a8d9f3a | 9465 | return do_execv(cpu_env, AT_FDCWD, arg1, arg2, arg3, 0, false); |
31e31b8a | 9466 | case TARGET_NR_chdir: |
579a97f7 | 9467 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9468 | return -TARGET_EFAULT; |
53a5960a PB |
9469 | ret = get_errno(chdir(p)); |
9470 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9471 | return ret; |
a315a145 | 9472 | #ifdef TARGET_NR_time |
31e31b8a FB |
9473 | case TARGET_NR_time: |
9474 | { | |
53a5960a PB |
9475 | time_t host_time; |
9476 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
9477 | if (!is_error(ret) |
9478 | && arg1 | |
9479 | && put_user_sal(host_time, arg1)) | |
2852aafd | 9480 | return -TARGET_EFAULT; |
31e31b8a | 9481 | } |
72eb7ea8 | 9482 | return ret; |
a315a145 | 9483 | #endif |
704eff6c | 9484 | #ifdef TARGET_NR_mknod |
31e31b8a | 9485 | case TARGET_NR_mknod: |
579a97f7 | 9486 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9487 | return -TARGET_EFAULT; |
53a5960a PB |
9488 | ret = get_errno(mknod(p, arg2, arg3)); |
9489 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9490 | return ret; |
704eff6c | 9491 | #endif |
c0d472b1 | 9492 | #if defined(TARGET_NR_mknodat) |
75ac37a0 | 9493 | case TARGET_NR_mknodat: |
579a97f7 | 9494 | if (!(p = lock_user_string(arg2))) |
2852aafd | 9495 | return -TARGET_EFAULT; |
c0d472b1 | 9496 | ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
579a97f7 | 9497 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9498 | return ret; |
75ac37a0 | 9499 | #endif |
704eff6c | 9500 | #ifdef TARGET_NR_chmod |
31e31b8a | 9501 | case TARGET_NR_chmod: |
579a97f7 | 9502 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9503 | return -TARGET_EFAULT; |
53a5960a PB |
9504 | ret = get_errno(chmod(p, arg2)); |
9505 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9506 | return ret; |
704eff6c | 9507 | #endif |
4f7f8924 | 9508 | #ifdef TARGET_NR_lseek |
31e31b8a | 9509 | case TARGET_NR_lseek: |
72eb7ea8 | 9510 | return get_errno(lseek(arg1, arg2, arg3)); |
4f7f8924 | 9511 | #endif |
9231733a RH |
9512 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
9513 | /* Alpha specific */ | |
7a3148a9 | 9514 | case TARGET_NR_getxpid: |
0effdc29 | 9515 | cpu_env->ir[IR_A4] = getppid(); |
72eb7ea8 | 9516 | return get_errno(getpid()); |
7a3148a9 | 9517 | #endif |
9231733a RH |
9518 | #ifdef TARGET_NR_getpid |
9519 | case TARGET_NR_getpid: | |
72eb7ea8 | 9520 | return get_errno(getpid()); |
9231733a | 9521 | #endif |
31e31b8a | 9522 | case TARGET_NR_mount: |
356d771b PB |
9523 | { |
9524 | /* need to look at the data field */ | |
9525 | void *p2, *p3; | |
9526 | ||
9527 | if (arg1) { | |
9528 | p = lock_user_string(arg1); | |
9529 | if (!p) { | |
2852aafd | 9530 | return -TARGET_EFAULT; |
356d771b PB |
9531 | } |
9532 | } else { | |
9533 | p = NULL; | |
9534 | } | |
9535 | ||
9536 | p2 = lock_user_string(arg2); | |
9537 | if (!p2) { | |
9538 | if (arg1) { | |
9539 | unlock_user(p, arg1, 0); | |
9540 | } | |
2852aafd | 9541 | return -TARGET_EFAULT; |
356d771b PB |
9542 | } |
9543 | ||
9544 | if (arg3) { | |
9545 | p3 = lock_user_string(arg3); | |
9546 | if (!p3) { | |
9547 | if (arg1) { | |
579a97f7 | 9548 | unlock_user(p, arg1, 0); |
356d771b PB |
9549 | } |
9550 | unlock_user(p2, arg2, 0); | |
2852aafd | 9551 | return -TARGET_EFAULT; |
356d771b PB |
9552 | } |
9553 | } else { | |
9554 | p3 = NULL; | |
9555 | } | |
9556 | ||
9557 | /* FIXME - arg5 should be locked, but it isn't clear how to | |
9558 | * do that since it's not guaranteed to be a NULL-terminated | |
9559 | * string. | |
9560 | */ | |
9561 | if (!arg5) { | |
9562 | ret = mount(p, p2, p3, (unsigned long)arg4, NULL); | |
9563 | } else { | |
3e8f1628 | 9564 | ret = mount(p, p2, p3, (unsigned long)arg4, g2h(cpu, arg5)); |
356d771b PB |
9565 | } |
9566 | ret = get_errno(ret); | |
9567 | ||
9568 | if (arg1) { | |
9569 | unlock_user(p, arg1, 0); | |
9570 | } | |
9571 | unlock_user(p2, arg2, 0); | |
9572 | if (arg3) { | |
9573 | unlock_user(p3, arg3, 0); | |
9574 | } | |
9575 | } | |
72eb7ea8 | 9576 | return ret; |
6eb9dbf6 LV |
9577 | #if defined(TARGET_NR_umount) || defined(TARGET_NR_oldumount) |
9578 | #if defined(TARGET_NR_umount) | |
31e31b8a | 9579 | case TARGET_NR_umount: |
6eb9dbf6 LV |
9580 | #endif |
9581 | #if defined(TARGET_NR_oldumount) | |
9582 | case TARGET_NR_oldumount: | |
9583 | #endif | |
579a97f7 | 9584 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9585 | return -TARGET_EFAULT; |
53a5960a PB |
9586 | ret = get_errno(umount(p)); |
9587 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9588 | return ret; |
e5febef5 | 9589 | #endif |
4b2d2753 TW |
9590 | #if defined(TARGET_NR_move_mount) && defined(__NR_move_mount) |
9591 | case TARGET_NR_move_mount: | |
9592 | { | |
9593 | void *p2, *p4; | |
9594 | ||
9595 | if (!arg2 || !arg4) { | |
9596 | return -TARGET_EFAULT; | |
9597 | } | |
9598 | ||
9599 | p2 = lock_user_string(arg2); | |
9600 | if (!p2) { | |
9601 | return -TARGET_EFAULT; | |
9602 | } | |
9603 | ||
9604 | p4 = lock_user_string(arg4); | |
9605 | if (!p4) { | |
9606 | unlock_user(p2, arg2, 0); | |
9607 | return -TARGET_EFAULT; | |
9608 | } | |
9609 | ret = get_errno(sys_move_mount(arg1, p2, arg3, p4, arg5)); | |
9610 | ||
9611 | unlock_user(p2, arg2, 0); | |
9612 | unlock_user(p4, arg4, 0); | |
9613 | ||
9614 | return ret; | |
9615 | } | |
9616 | #endif | |
7f696cdd TW |
9617 | #if defined(TARGET_NR_open_tree) && defined(__NR_open_tree) |
9618 | case TARGET_NR_open_tree: | |
9619 | { | |
9620 | void *p2; | |
9621 | int host_flags; | |
9622 | ||
9623 | if (!arg2) { | |
9624 | return -TARGET_EFAULT; | |
9625 | } | |
9626 | ||
9627 | p2 = lock_user_string(arg2); | |
9628 | if (!p2) { | |
9629 | return -TARGET_EFAULT; | |
9630 | } | |
9631 | ||
9632 | host_flags = arg3 & ~TARGET_O_CLOEXEC; | |
9633 | if (arg3 & TARGET_O_CLOEXEC) { | |
9634 | host_flags |= O_CLOEXEC; | |
9635 | } | |
9636 | ||
9637 | ret = get_errno(sys_open_tree(arg1, p2, host_flags)); | |
9638 | ||
9639 | unlock_user(p2, arg2, 0); | |
9640 | ||
9641 | return ret; | |
9642 | } | |
9643 | #endif | |
7a3148a9 | 9644 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
9645 | case TARGET_NR_stime: |
9646 | { | |
0f1f2d45 LV |
9647 | struct timespec ts; |
9648 | ts.tv_nsec = 0; | |
9649 | if (get_user_sal(ts.tv_sec, arg1)) { | |
2852aafd | 9650 | return -TARGET_EFAULT; |
0f1f2d45 LV |
9651 | } |
9652 | return get_errno(clock_settime(CLOCK_REALTIME, &ts)); | |
31e31b8a | 9653 | } |
7a3148a9 | 9654 | #endif |
7a3148a9 | 9655 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a | 9656 | case TARGET_NR_alarm: |
72eb7ea8 | 9657 | return alarm(arg1); |
7a3148a9 | 9658 | #endif |
7a3148a9 | 9659 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a | 9660 | case TARGET_NR_pause: |
f59ec606 TB |
9661 | if (!block_signals()) { |
9662 | sigsuspend(&((TaskState *)cpu->opaque)->signal_mask); | |
9663 | } | |
72eb7ea8 | 9664 | return -TARGET_EINTR; |
7a3148a9 | 9665 | #endif |
e5febef5 | 9666 | #ifdef TARGET_NR_utime |
31e31b8a | 9667 | case TARGET_NR_utime: |
ebc05488 | 9668 | { |
53a5960a PB |
9669 | struct utimbuf tbuf, *host_tbuf; |
9670 | struct target_utimbuf *target_tbuf; | |
9671 | if (arg2) { | |
579a97f7 | 9672 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
2852aafd | 9673 | return -TARGET_EFAULT; |
cbb21eed MB |
9674 | tbuf.actime = tswapal(target_tbuf->actime); |
9675 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
9676 | unlock_user_struct(target_tbuf, arg2, 0); |
9677 | host_tbuf = &tbuf; | |
f72e8ff4 | 9678 | } else { |
53a5960a | 9679 | host_tbuf = NULL; |
f72e8ff4 | 9680 | } |
579a97f7 | 9681 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9682 | return -TARGET_EFAULT; |
53a5960a PB |
9683 | ret = get_errno(utime(p, host_tbuf)); |
9684 | unlock_user(p, arg1, 0); | |
ebc05488 | 9685 | } |
72eb7ea8 | 9686 | return ret; |
e5febef5 | 9687 | #endif |
704eff6c | 9688 | #ifdef TARGET_NR_utimes |
978a66ff FB |
9689 | case TARGET_NR_utimes: |
9690 | { | |
978a66ff | 9691 | struct timeval *tvp, tv[2]; |
53a5960a | 9692 | if (arg2) { |
788f5ec4 TS |
9693 | if (copy_from_user_timeval(&tv[0], arg2) |
9694 | || copy_from_user_timeval(&tv[1], | |
9695 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 9696 | return -TARGET_EFAULT; |
978a66ff FB |
9697 | tvp = tv; |
9698 | } else { | |
9699 | tvp = NULL; | |
9700 | } | |
579a97f7 | 9701 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9702 | return -TARGET_EFAULT; |
53a5960a PB |
9703 | ret = get_errno(utimes(p, tvp)); |
9704 | unlock_user(p, arg1, 0); | |
978a66ff | 9705 | } |
72eb7ea8 | 9706 | return ret; |
704eff6c | 9707 | #endif |
c0d472b1 | 9708 | #if defined(TARGET_NR_futimesat) |
ac8a6556 AZ |
9709 | case TARGET_NR_futimesat: |
9710 | { | |
9711 | struct timeval *tvp, tv[2]; | |
9712 | if (arg3) { | |
9713 | if (copy_from_user_timeval(&tv[0], arg3) | |
9714 | || copy_from_user_timeval(&tv[1], | |
9715 | arg3 + sizeof(struct target_timeval))) | |
2852aafd | 9716 | return -TARGET_EFAULT; |
ac8a6556 AZ |
9717 | tvp = tv; |
9718 | } else { | |
9719 | tvp = NULL; | |
9720 | } | |
2852aafd RH |
9721 | if (!(p = lock_user_string(arg2))) { |
9722 | return -TARGET_EFAULT; | |
9723 | } | |
c0d472b1 | 9724 | ret = get_errno(futimesat(arg1, path(p), tvp)); |
ac8a6556 AZ |
9725 | unlock_user(p, arg2, 0); |
9726 | } | |
72eb7ea8 | 9727 | return ret; |
ac8a6556 | 9728 | #endif |
704eff6c | 9729 | #ifdef TARGET_NR_access |
31e31b8a | 9730 | case TARGET_NR_access: |
2852aafd RH |
9731 | if (!(p = lock_user_string(arg1))) { |
9732 | return -TARGET_EFAULT; | |
9733 | } | |
719f908e | 9734 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 9735 | unlock_user(p, arg1, 0); |
72eb7ea8 | 9736 | return ret; |
704eff6c | 9737 | #endif |
92a34c10 TS |
9738 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
9739 | case TARGET_NR_faccessat: | |
2852aafd RH |
9740 | if (!(p = lock_user_string(arg2))) { |
9741 | return -TARGET_EFAULT; | |
9742 | } | |
c0d472b1 | 9743 | ret = get_errno(faccessat(arg1, p, arg3, 0)); |
579a97f7 | 9744 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9745 | return ret; |
92a34c10 | 9746 | #endif |
35a2c85f WX |
9747 | #if defined(TARGET_NR_faccessat2) |
9748 | case TARGET_NR_faccessat2: | |
9749 | if (!(p = lock_user_string(arg2))) { | |
9750 | return -TARGET_EFAULT; | |
9751 | } | |
9752 | ret = get_errno(faccessat(arg1, p, arg3, arg4)); | |
9753 | unlock_user(p, arg2, 0); | |
9754 | return ret; | |
9755 | #endif | |
7a3148a9 | 9756 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a | 9757 | case TARGET_NR_nice: |
72eb7ea8 | 9758 | return get_errno(nice(arg1)); |
ebc05488 | 9759 | #endif |
31e31b8a | 9760 | case TARGET_NR_sync: |
04369ff2 | 9761 | sync(); |
72eb7ea8 | 9762 | return 0; |
5a03cd00 AM |
9763 | #if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS) |
9764 | case TARGET_NR_syncfs: | |
72eb7ea8 | 9765 | return get_errno(syncfs(arg1)); |
5a03cd00 | 9766 | #endif |
31e31b8a | 9767 | case TARGET_NR_kill: |
72eb7ea8 | 9768 | return get_errno(safe_kill(arg1, target_to_host_signal(arg2))); |
704eff6c | 9769 | #ifdef TARGET_NR_rename |
31e31b8a | 9770 | case TARGET_NR_rename: |
53a5960a PB |
9771 | { |
9772 | void *p2; | |
9773 | p = lock_user_string(arg1); | |
9774 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
9775 | if (!p || !p2) |
9776 | ret = -TARGET_EFAULT; | |
9777 | else | |
9778 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
9779 | unlock_user(p2, arg2, 0); |
9780 | unlock_user(p, arg1, 0); | |
9781 | } | |
72eb7ea8 | 9782 | return ret; |
704eff6c | 9783 | #endif |
c0d472b1 | 9784 | #if defined(TARGET_NR_renameat) |
722183f6 | 9785 | case TARGET_NR_renameat: |
722183f6 | 9786 | { |
579a97f7 | 9787 | void *p2; |
722183f6 TS |
9788 | p = lock_user_string(arg2); |
9789 | p2 = lock_user_string(arg4); | |
579a97f7 | 9790 | if (!p || !p2) |
0da46a6e | 9791 | ret = -TARGET_EFAULT; |
722183f6 | 9792 | else |
c0d472b1 | 9793 | ret = get_errno(renameat(arg1, p, arg3, p2)); |
579a97f7 FB |
9794 | unlock_user(p2, arg4, 0); |
9795 | unlock_user(p, arg2, 0); | |
722183f6 | 9796 | } |
72eb7ea8 | 9797 | return ret; |
95d0307c AS |
9798 | #endif |
9799 | #if defined(TARGET_NR_renameat2) | |
9800 | case TARGET_NR_renameat2: | |
9801 | { | |
9802 | void *p2; | |
9803 | p = lock_user_string(arg2); | |
9804 | p2 = lock_user_string(arg4); | |
9805 | if (!p || !p2) { | |
9806 | ret = -TARGET_EFAULT; | |
9807 | } else { | |
9808 | ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5)); | |
9809 | } | |
9810 | unlock_user(p2, arg4, 0); | |
9811 | unlock_user(p, arg2, 0); | |
9812 | } | |
72eb7ea8 | 9813 | return ret; |
722183f6 | 9814 | #endif |
704eff6c | 9815 | #ifdef TARGET_NR_mkdir |
31e31b8a | 9816 | case TARGET_NR_mkdir: |
579a97f7 | 9817 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9818 | return -TARGET_EFAULT; |
53a5960a PB |
9819 | ret = get_errno(mkdir(p, arg2)); |
9820 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9821 | return ret; |
704eff6c | 9822 | #endif |
c0d472b1 | 9823 | #if defined(TARGET_NR_mkdirat) |
4472ad0d | 9824 | case TARGET_NR_mkdirat: |
579a97f7 | 9825 | if (!(p = lock_user_string(arg2))) |
2852aafd | 9826 | return -TARGET_EFAULT; |
c0d472b1 | 9827 | ret = get_errno(mkdirat(arg1, p, arg3)); |
579a97f7 | 9828 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9829 | return ret; |
4472ad0d | 9830 | #endif |
704eff6c | 9831 | #ifdef TARGET_NR_rmdir |
31e31b8a | 9832 | case TARGET_NR_rmdir: |
579a97f7 | 9833 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9834 | return -TARGET_EFAULT; |
53a5960a PB |
9835 | ret = get_errno(rmdir(p)); |
9836 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9837 | return ret; |
704eff6c | 9838 | #endif |
31e31b8a FB |
9839 | case TARGET_NR_dup: |
9840 | ret = get_errno(dup(arg1)); | |
e36800c9 LV |
9841 | if (ret >= 0) { |
9842 | fd_trans_dup(arg1, ret); | |
9843 | } | |
72eb7ea8 | 9844 | return ret; |
704eff6c | 9845 | #ifdef TARGET_NR_pipe |
31e31b8a | 9846 | case TARGET_NR_pipe: |
72eb7ea8 | 9847 | return do_pipe(cpu_env, arg1, 0, 0); |
704eff6c | 9848 | #endif |
099d6b0f RV |
9849 | #ifdef TARGET_NR_pipe2 |
9850 | case TARGET_NR_pipe2: | |
72eb7ea8 RH |
9851 | return do_pipe(cpu_env, arg1, |
9852 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
099d6b0f | 9853 | #endif |
31e31b8a | 9854 | case TARGET_NR_times: |
32f36bce | 9855 | { |
53a5960a | 9856 | struct target_tms *tmsp; |
32f36bce FB |
9857 | struct tms tms; |
9858 | ret = get_errno(times(&tms)); | |
53a5960a | 9859 | if (arg1) { |
579a97f7 FB |
9860 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
9861 | if (!tmsp) | |
2852aafd | 9862 | return -TARGET_EFAULT; |
cbb21eed MB |
9863 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
9864 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
9865 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
9866 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 9867 | } |
c596ed17 FB |
9868 | if (!is_error(ret)) |
9869 | ret = host_to_target_clock_t(ret); | |
32f36bce | 9870 | } |
72eb7ea8 | 9871 | return ret; |
31e31b8a | 9872 | case TARGET_NR_acct: |
38d840e6 AJ |
9873 | if (arg1 == 0) { |
9874 | ret = get_errno(acct(NULL)); | |
9875 | } else { | |
2852aafd RH |
9876 | if (!(p = lock_user_string(arg1))) { |
9877 | return -TARGET_EFAULT; | |
9878 | } | |
38d840e6 AJ |
9879 | ret = get_errno(acct(path(p))); |
9880 | unlock_user(p, arg1, 0); | |
9881 | } | |
72eb7ea8 | 9882 | return ret; |
8070e7be | 9883 | #ifdef TARGET_NR_umount2 |
31e31b8a | 9884 | case TARGET_NR_umount2: |
579a97f7 | 9885 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9886 | return -TARGET_EFAULT; |
53a5960a PB |
9887 | ret = get_errno(umount2(p, arg2)); |
9888 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9889 | return ret; |
ebc05488 | 9890 | #endif |
31e31b8a | 9891 | case TARGET_NR_ioctl: |
72eb7ea8 | 9892 | return do_ioctl(arg1, arg2, arg3); |
47ae93cd | 9893 | #ifdef TARGET_NR_fcntl |
31e31b8a | 9894 | case TARGET_NR_fcntl: |
72eb7ea8 | 9895 | return do_fcntl(arg1, arg2, arg3); |
ebc05488 | 9896 | #endif |
31e31b8a | 9897 | case TARGET_NR_setpgid: |
72eb7ea8 | 9898 | return get_errno(setpgid(arg1, arg2)); |
31e31b8a | 9899 | case TARGET_NR_umask: |
72eb7ea8 | 9900 | return get_errno(umask(arg1)); |
31e31b8a | 9901 | case TARGET_NR_chroot: |
579a97f7 | 9902 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9903 | return -TARGET_EFAULT; |
53a5960a PB |
9904 | ret = get_errno(chroot(p)); |
9905 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9906 | return ret; |
704eff6c | 9907 | #ifdef TARGET_NR_dup2 |
31e31b8a FB |
9908 | case TARGET_NR_dup2: |
9909 | ret = get_errno(dup2(arg1, arg2)); | |
e36800c9 LV |
9910 | if (ret >= 0) { |
9911 | fd_trans_dup(arg1, arg2); | |
9912 | } | |
72eb7ea8 | 9913 | return ret; |
704eff6c | 9914 | #endif |
d0927938 UH |
9915 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
9916 | case TARGET_NR_dup3: | |
10fa993a PM |
9917 | { |
9918 | int host_flags; | |
9919 | ||
9920 | if ((arg3 & ~TARGET_O_CLOEXEC) != 0) { | |
9921 | return -EINVAL; | |
9922 | } | |
9923 | host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl); | |
9924 | ret = get_errno(dup3(arg1, arg2, host_flags)); | |
e36800c9 LV |
9925 | if (ret >= 0) { |
9926 | fd_trans_dup(arg1, arg2); | |
9927 | } | |
72eb7ea8 | 9928 | return ret; |
10fa993a | 9929 | } |
d0927938 | 9930 | #endif |
7a3148a9 | 9931 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a | 9932 | case TARGET_NR_getppid: |
72eb7ea8 | 9933 | return get_errno(getppid()); |
7a3148a9 | 9934 | #endif |
704eff6c | 9935 | #ifdef TARGET_NR_getpgrp |
31e31b8a | 9936 | case TARGET_NR_getpgrp: |
72eb7ea8 | 9937 | return get_errno(getpgrp()); |
704eff6c | 9938 | #endif |
31e31b8a | 9939 | case TARGET_NR_setsid: |
72eb7ea8 | 9940 | return get_errno(setsid()); |
e5febef5 | 9941 | #ifdef TARGET_NR_sigaction |
31e31b8a | 9942 | case TARGET_NR_sigaction: |
31e31b8a | 9943 | { |
02d0de10 | 9944 | #if defined(TARGET_MIPS) |
106ec879 FB |
9945 | struct target_sigaction act, oact, *pact, *old_act; |
9946 | ||
9947 | if (arg2) { | |
579a97f7 | 9948 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
2852aafd | 9949 | return -TARGET_EFAULT; |
106ec879 FB |
9950 | act._sa_handler = old_act->_sa_handler; |
9951 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
9952 | act.sa_flags = old_act->sa_flags; | |
9953 | unlock_user_struct(old_act, arg2, 0); | |
9954 | pact = &act; | |
9955 | } else { | |
9956 | pact = NULL; | |
9957 | } | |
9958 | ||
02fb28e8 | 9959 | ret = get_errno(do_sigaction(arg1, pact, &oact, 0)); |
106ec879 FB |
9960 | |
9961 | if (!is_error(ret) && arg3) { | |
579a97f7 | 9962 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
2852aafd | 9963 | return -TARGET_EFAULT; |
106ec879 FB |
9964 | old_act->_sa_handler = oact._sa_handler; |
9965 | old_act->sa_flags = oact.sa_flags; | |
9966 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
9967 | old_act->sa_mask.sig[1] = 0; | |
9968 | old_act->sa_mask.sig[2] = 0; | |
9969 | old_act->sa_mask.sig[3] = 0; | |
9970 | unlock_user_struct(old_act, arg3, 1); | |
9971 | } | |
6049f4f8 RH |
9972 | #else |
9973 | struct target_old_sigaction *old_act; | |
9974 | struct target_sigaction act, oact, *pact; | |
9975 | if (arg2) { | |
9976 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
2852aafd | 9977 | return -TARGET_EFAULT; |
6049f4f8 RH |
9978 | act._sa_handler = old_act->_sa_handler; |
9979 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
9980 | act.sa_flags = old_act->sa_flags; | |
ca192277 | 9981 | #ifdef TARGET_ARCH_HAS_SA_RESTORER |
6049f4f8 | 9982 | act.sa_restorer = old_act->sa_restorer; |
ca192277 | 9983 | #endif |
6049f4f8 RH |
9984 | unlock_user_struct(old_act, arg2, 0); |
9985 | pact = &act; | |
9986 | } else { | |
9987 | pact = NULL; | |
9988 | } | |
02fb28e8 | 9989 | ret = get_errno(do_sigaction(arg1, pact, &oact, 0)); |
6049f4f8 RH |
9990 | if (!is_error(ret) && arg3) { |
9991 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
2852aafd | 9992 | return -TARGET_EFAULT; |
6049f4f8 RH |
9993 | old_act->_sa_handler = oact._sa_handler; |
9994 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
9995 | old_act->sa_flags = oact.sa_flags; | |
ca192277 | 9996 | #ifdef TARGET_ARCH_HAS_SA_RESTORER |
6049f4f8 | 9997 | old_act->sa_restorer = oact.sa_restorer; |
ca192277 | 9998 | #endif |
6049f4f8 RH |
9999 | unlock_user_struct(old_act, arg3, 1); |
10000 | } | |
388bb21a | 10001 | #endif |
31e31b8a | 10002 | } |
72eb7ea8 | 10003 | return ret; |
e5febef5 | 10004 | #endif |
66fb9763 | 10005 | case TARGET_NR_rt_sigaction: |
53a5960a | 10006 | { |
0f6f9903 RH |
10007 | /* |
10008 | * For Alpha and SPARC this is a 5 argument syscall, with | |
78bfef72 PM |
10009 | * a 'restorer' parameter which must be copied into the |
10010 | * sa_restorer field of the sigaction struct. | |
10011 | * For Alpha that 'restorer' is arg5; for SPARC it is arg4, | |
10012 | * and arg5 is the sigsetsize. | |
78bfef72 | 10013 | */ |
0f6f9903 RH |
10014 | #if defined(TARGET_ALPHA) |
10015 | target_ulong sigsetsize = arg4; | |
10016 | target_ulong restorer = arg5; | |
10017 | #elif defined(TARGET_SPARC) | |
78bfef72 PM |
10018 | target_ulong restorer = arg4; |
10019 | target_ulong sigsetsize = arg5; | |
10020 | #else | |
10021 | target_ulong sigsetsize = arg4; | |
02fb28e8 | 10022 | target_ulong restorer = 0; |
78bfef72 | 10023 | #endif |
fb80439b RH |
10024 | struct target_sigaction *act = NULL; |
10025 | struct target_sigaction *oact = NULL; | |
53a5960a | 10026 | |
78bfef72 | 10027 | if (sigsetsize != sizeof(target_sigset_t)) { |
72eb7ea8 | 10028 | return -TARGET_EINVAL; |
c815701e | 10029 | } |
fb80439b RH |
10030 | if (arg2 && !lock_user_struct(VERIFY_READ, act, arg2, 1)) { |
10031 | return -TARGET_EFAULT; | |
78bfef72 | 10032 | } |
fb80439b RH |
10033 | if (arg3 && !lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { |
10034 | ret = -TARGET_EFAULT; | |
10035 | } else { | |
10036 | ret = get_errno(do_sigaction(arg1, act, oact, restorer)); | |
10037 | if (oact) { | |
10038 | unlock_user_struct(oact, arg3, 1); | |
579a97f7 | 10039 | } |
fb80439b RH |
10040 | } |
10041 | if (act) { | |
53a5960a | 10042 | unlock_user_struct(act, arg2, 0); |
fb80439b | 10043 | } |
53a5960a | 10044 | } |
72eb7ea8 | 10045 | return ret; |
7a3148a9 | 10046 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 10047 | case TARGET_NR_sgetmask: |
66fb9763 FB |
10048 | { |
10049 | sigset_t cur_set; | |
992f48a0 | 10050 | abi_ulong target_set; |
3d3efba0 PM |
10051 | ret = do_sigprocmask(0, NULL, &cur_set); |
10052 | if (!ret) { | |
10053 | host_to_target_old_sigset(&target_set, &cur_set); | |
10054 | ret = target_set; | |
10055 | } | |
66fb9763 | 10056 | } |
72eb7ea8 | 10057 | return ret; |
7a3148a9 JM |
10058 | #endif |
10059 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 10060 | case TARGET_NR_ssetmask: |
66fb9763 | 10061 | { |
a8617d8c | 10062 | sigset_t set, oset; |
992f48a0 | 10063 | abi_ulong target_set = arg1; |
66fb9763 | 10064 | target_to_host_old_sigset(&set, &target_set); |
3d3efba0 PM |
10065 | ret = do_sigprocmask(SIG_SETMASK, &set, &oset); |
10066 | if (!ret) { | |
10067 | host_to_target_old_sigset(&target_set, &oset); | |
10068 | ret = target_set; | |
10069 | } | |
66fb9763 | 10070 | } |
72eb7ea8 | 10071 | return ret; |
7a3148a9 | 10072 | #endif |
e5febef5 | 10073 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
10074 | case TARGET_NR_sigprocmask: |
10075 | { | |
a5b3b13b RH |
10076 | #if defined(TARGET_ALPHA) |
10077 | sigset_t set, oldset; | |
10078 | abi_ulong mask; | |
10079 | int how; | |
10080 | ||
10081 | switch (arg1) { | |
10082 | case TARGET_SIG_BLOCK: | |
10083 | how = SIG_BLOCK; | |
10084 | break; | |
10085 | case TARGET_SIG_UNBLOCK: | |
10086 | how = SIG_UNBLOCK; | |
10087 | break; | |
10088 | case TARGET_SIG_SETMASK: | |
10089 | how = SIG_SETMASK; | |
10090 | break; | |
10091 | default: | |
259841c1 | 10092 | return -TARGET_EINVAL; |
a5b3b13b RH |
10093 | } |
10094 | mask = arg2; | |
10095 | target_to_host_old_sigset(&set, &mask); | |
10096 | ||
3d3efba0 | 10097 | ret = do_sigprocmask(how, &set, &oldset); |
a5b3b13b RH |
10098 | if (!is_error(ret)) { |
10099 | host_to_target_old_sigset(&mask, &oldset); | |
10100 | ret = mask; | |
0effdc29 | 10101 | cpu_env->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
10102 | } |
10103 | #else | |
66fb9763 | 10104 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 10105 | int how; |
3b46e624 | 10106 | |
53a5960a | 10107 | if (arg2) { |
ebce1719 PV |
10108 | p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1); |
10109 | if (!p) { | |
10110 | return -TARGET_EFAULT; | |
10111 | } | |
10112 | target_to_host_old_sigset(&set, p); | |
10113 | unlock_user(p, arg2, 0); | |
10114 | set_ptr = &set; | |
a5b3b13b | 10115 | switch (arg1) { |
66fb9763 FB |
10116 | case TARGET_SIG_BLOCK: |
10117 | how = SIG_BLOCK; | |
10118 | break; | |
10119 | case TARGET_SIG_UNBLOCK: | |
10120 | how = SIG_UNBLOCK; | |
10121 | break; | |
10122 | case TARGET_SIG_SETMASK: | |
10123 | how = SIG_SETMASK; | |
10124 | break; | |
10125 | default: | |
259841c1 | 10126 | return -TARGET_EINVAL; |
66fb9763 | 10127 | } |
66fb9763 FB |
10128 | } else { |
10129 | how = 0; | |
10130 | set_ptr = NULL; | |
10131 | } | |
3d3efba0 | 10132 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 10133 | if (!is_error(ret) && arg3) { |
c227f099 | 10134 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 10135 | return -TARGET_EFAULT; |
53a5960a | 10136 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 10137 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 10138 | } |
a5b3b13b | 10139 | #endif |
66fb9763 | 10140 | } |
72eb7ea8 | 10141 | return ret; |
e5febef5 | 10142 | #endif |
66fb9763 FB |
10143 | case TARGET_NR_rt_sigprocmask: |
10144 | { | |
10145 | int how = arg1; | |
10146 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 10147 | |
c815701e | 10148 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 10149 | return -TARGET_EINVAL; |
c815701e PM |
10150 | } |
10151 | ||
53a5960a | 10152 | if (arg2) { |
d3ced2a5 SCW |
10153 | p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1); |
10154 | if (!p) { | |
10155 | return -TARGET_EFAULT; | |
10156 | } | |
10157 | target_to_host_sigset(&set, p); | |
10158 | unlock_user(p, arg2, 0); | |
10159 | set_ptr = &set; | |
66fb9763 FB |
10160 | switch(how) { |
10161 | case TARGET_SIG_BLOCK: | |
10162 | how = SIG_BLOCK; | |
10163 | break; | |
10164 | case TARGET_SIG_UNBLOCK: | |
10165 | how = SIG_UNBLOCK; | |
10166 | break; | |
10167 | case TARGET_SIG_SETMASK: | |
10168 | how = SIG_SETMASK; | |
10169 | break; | |
10170 | default: | |
259841c1 | 10171 | return -TARGET_EINVAL; |
66fb9763 | 10172 | } |
66fb9763 FB |
10173 | } else { |
10174 | how = 0; | |
10175 | set_ptr = NULL; | |
10176 | } | |
3d3efba0 | 10177 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 10178 | if (!is_error(ret) && arg3) { |
c227f099 | 10179 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 10180 | return -TARGET_EFAULT; |
53a5960a | 10181 | host_to_target_sigset(p, &oldset); |
c227f099 | 10182 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
10183 | } |
10184 | } | |
72eb7ea8 | 10185 | return ret; |
e5febef5 | 10186 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
10187 | case TARGET_NR_sigpending: |
10188 | { | |
10189 | sigset_t set; | |
10190 | ret = get_errno(sigpending(&set)); | |
10191 | if (!is_error(ret)) { | |
c227f099 | 10192 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 10193 | return -TARGET_EFAULT; |
53a5960a | 10194 | host_to_target_old_sigset(p, &set); |
c227f099 | 10195 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
10196 | } |
10197 | } | |
72eb7ea8 | 10198 | return ret; |
e5febef5 | 10199 | #endif |
66fb9763 FB |
10200 | case TARGET_NR_rt_sigpending: |
10201 | { | |
10202 | sigset_t set; | |
c815701e PM |
10203 | |
10204 | /* Yes, this check is >, not != like most. We follow the kernel's | |
10205 | * logic and it does it like this because it implements | |
10206 | * NR_sigpending through the same code path, and in that case | |
10207 | * the old_sigset_t is smaller in size. | |
10208 | */ | |
10209 | if (arg2 > sizeof(target_sigset_t)) { | |
72eb7ea8 | 10210 | return -TARGET_EINVAL; |
c815701e PM |
10211 | } |
10212 | ||
66fb9763 FB |
10213 | ret = get_errno(sigpending(&set)); |
10214 | if (!is_error(ret)) { | |
c227f099 | 10215 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 10216 | return -TARGET_EFAULT; |
53a5960a | 10217 | host_to_target_sigset(p, &set); |
c227f099 | 10218 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
10219 | } |
10220 | } | |
72eb7ea8 | 10221 | return ret; |
e5febef5 | 10222 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
10223 | case TARGET_NR_sigsuspend: |
10224 | { | |
0a99f093 RH |
10225 | sigset_t *set; |
10226 | ||
f43ce12b | 10227 | #if defined(TARGET_ALPHA) |
0a99f093 | 10228 | TaskState *ts = cpu->opaque; |
7fb5ef35 RH |
10229 | /* target_to_host_old_sigset will bswap back */ |
10230 | abi_ulong mask = tswapal(arg1); | |
0a99f093 RH |
10231 | set = &ts->sigsuspend_mask; |
10232 | target_to_host_old_sigset(set, &mask); | |
f43ce12b | 10233 | #else |
0a99f093 RH |
10234 | ret = process_sigsuspend_mask(&set, arg1, sizeof(target_sigset_t)); |
10235 | if (ret != 0) { | |
10236 | return ret; | |
3d3efba0 | 10237 | } |
0a99f093 RH |
10238 | #endif |
10239 | ret = get_errno(safe_rt_sigsuspend(set, SIGSET_T_SIZE)); | |
10240 | finish_sigsuspend_mask(ret); | |
66fb9763 | 10241 | } |
72eb7ea8 | 10242 | return ret; |
e5febef5 | 10243 | #endif |
66fb9763 FB |
10244 | case TARGET_NR_rt_sigsuspend: |
10245 | { | |
0a99f093 | 10246 | sigset_t *set; |
c815701e | 10247 | |
0a99f093 RH |
10248 | ret = process_sigsuspend_mask(&set, arg1, arg2); |
10249 | if (ret != 0) { | |
10250 | return ret; | |
3d3efba0 | 10251 | } |
0a99f093 RH |
10252 | ret = get_errno(safe_rt_sigsuspend(set, SIGSET_T_SIZE)); |
10253 | finish_sigsuspend_mask(ret); | |
66fb9763 | 10254 | } |
72eb7ea8 | 10255 | return ret; |
859e8a89 | 10256 | #ifdef TARGET_NR_rt_sigtimedwait |
66fb9763 FB |
10257 | case TARGET_NR_rt_sigtimedwait: |
10258 | { | |
66fb9763 FB |
10259 | sigset_t set; |
10260 | struct timespec uts, *puts; | |
10261 | siginfo_t uinfo; | |
3b46e624 | 10262 | |
c815701e | 10263 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 10264 | return -TARGET_EINVAL; |
c815701e PM |
10265 | } |
10266 | ||
c227f099 | 10267 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 10268 | return -TARGET_EFAULT; |
53a5960a PB |
10269 | target_to_host_sigset(&set, p); |
10270 | unlock_user(p, arg1, 0); | |
10271 | if (arg3) { | |
66fb9763 | 10272 | puts = &uts; |
4d213001 FB |
10273 | if (target_to_host_timespec(puts, arg3)) { |
10274 | return -TARGET_EFAULT; | |
10275 | } | |
66fb9763 FB |
10276 | } else { |
10277 | puts = NULL; | |
10278 | } | |
b3f82330 PM |
10279 | ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts, |
10280 | SIGSET_T_SIZE)); | |
974a196d PJ |
10281 | if (!is_error(ret)) { |
10282 | if (arg2) { | |
10283 | p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), | |
10284 | 0); | |
10285 | if (!p) { | |
2852aafd | 10286 | return -TARGET_EFAULT; |
974a196d PJ |
10287 | } |
10288 | host_to_target_siginfo(p, &uinfo); | |
10289 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
10290 | } | |
10291 | ret = host_to_target_signal(ret); | |
66fb9763 FB |
10292 | } |
10293 | } | |
72eb7ea8 | 10294 | return ret; |
ddcbde15 FB |
10295 | #endif |
10296 | #ifdef TARGET_NR_rt_sigtimedwait_time64 | |
10297 | case TARGET_NR_rt_sigtimedwait_time64: | |
10298 | { | |
10299 | sigset_t set; | |
10300 | struct timespec uts, *puts; | |
10301 | siginfo_t uinfo; | |
10302 | ||
10303 | if (arg4 != sizeof(target_sigset_t)) { | |
10304 | return -TARGET_EINVAL; | |
10305 | } | |
10306 | ||
10307 | p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1); | |
10308 | if (!p) { | |
10309 | return -TARGET_EFAULT; | |
10310 | } | |
10311 | target_to_host_sigset(&set, p); | |
10312 | unlock_user(p, arg1, 0); | |
10313 | if (arg3) { | |
10314 | puts = &uts; | |
10315 | if (target_to_host_timespec64(puts, arg3)) { | |
10316 | return -TARGET_EFAULT; | |
10317 | } | |
10318 | } else { | |
10319 | puts = NULL; | |
10320 | } | |
10321 | ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts, | |
10322 | SIGSET_T_SIZE)); | |
10323 | if (!is_error(ret)) { | |
10324 | if (arg2) { | |
10325 | p = lock_user(VERIFY_WRITE, arg2, | |
10326 | sizeof(target_siginfo_t), 0); | |
10327 | if (!p) { | |
10328 | return -TARGET_EFAULT; | |
10329 | } | |
10330 | host_to_target_siginfo(p, &uinfo); | |
10331 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
10332 | } | |
10333 | ret = host_to_target_signal(ret); | |
10334 | } | |
10335 | } | |
10336 | return ret; | |
859e8a89 | 10337 | #endif |
66fb9763 FB |
10338 | case TARGET_NR_rt_sigqueueinfo: |
10339 | { | |
10340 | siginfo_t uinfo; | |
4debae6f PM |
10341 | |
10342 | p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); | |
10343 | if (!p) { | |
2852aafd | 10344 | return -TARGET_EFAULT; |
4debae6f | 10345 | } |
53a5960a | 10346 | target_to_host_siginfo(&uinfo, p); |
d8b6d892 | 10347 | unlock_user(p, arg3, 0); |
9b9145f0 | 10348 | ret = get_errno(sys_rt_sigqueueinfo(arg1, target_to_host_signal(arg2), &uinfo)); |
66fb9763 | 10349 | } |
72eb7ea8 | 10350 | return ret; |
cf8b8bfc MS |
10351 | case TARGET_NR_rt_tgsigqueueinfo: |
10352 | { | |
10353 | siginfo_t uinfo; | |
10354 | ||
10355 | p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1); | |
10356 | if (!p) { | |
2852aafd | 10357 | return -TARGET_EFAULT; |
cf8b8bfc MS |
10358 | } |
10359 | target_to_host_siginfo(&uinfo, p); | |
10360 | unlock_user(p, arg4, 0); | |
9b9145f0 | 10361 | ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, target_to_host_signal(arg3), &uinfo)); |
cf8b8bfc | 10362 | } |
72eb7ea8 | 10363 | return ret; |
e5febef5 | 10364 | #ifdef TARGET_NR_sigreturn |
66fb9763 | 10365 | case TARGET_NR_sigreturn: |
3d3efba0 | 10366 | if (block_signals()) { |
af254a27 | 10367 | return -QEMU_ERESTARTSYS; |
3d3efba0 | 10368 | } |
72eb7ea8 | 10369 | return do_sigreturn(cpu_env); |
e5febef5 | 10370 | #endif |
66fb9763 | 10371 | case TARGET_NR_rt_sigreturn: |
3d3efba0 | 10372 | if (block_signals()) { |
af254a27 | 10373 | return -QEMU_ERESTARTSYS; |
3d3efba0 | 10374 | } |
72eb7ea8 | 10375 | return do_rt_sigreturn(cpu_env); |
31e31b8a | 10376 | case TARGET_NR_sethostname: |
579a97f7 | 10377 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10378 | return -TARGET_EFAULT; |
53a5960a PB |
10379 | ret = get_errno(sethostname(p, arg2)); |
10380 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10381 | return ret; |
4f7f8924 | 10382 | #ifdef TARGET_NR_setrlimit |
31e31b8a | 10383 | case TARGET_NR_setrlimit: |
9de5e440 | 10384 | { |
e22b7015 | 10385 | int resource = target_to_host_resource(arg1); |
53a5960a | 10386 | struct target_rlimit *target_rlim; |
9de5e440 | 10387 | struct rlimit rlim; |
579a97f7 | 10388 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
2852aafd | 10389 | return -TARGET_EFAULT; |
81bbe906 TY |
10390 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
10391 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 10392 | unlock_user_struct(target_rlim, arg2, 0); |
5dfa88f7 MF |
10393 | /* |
10394 | * If we just passed through resource limit settings for memory then | |
10395 | * they would also apply to QEMU's own allocations, and QEMU will | |
10396 | * crash or hang or die if its allocations fail. Ideally we would | |
10397 | * track the guest allocations in QEMU and apply the limits ourselves. | |
10398 | * For now, just tell the guest the call succeeded but don't actually | |
10399 | * limit anything. | |
10400 | */ | |
10401 | if (resource != RLIMIT_AS && | |
10402 | resource != RLIMIT_DATA && | |
10403 | resource != RLIMIT_STACK) { | |
10404 | return get_errno(setrlimit(resource, &rlim)); | |
10405 | } else { | |
10406 | return 0; | |
10407 | } | |
9de5e440 | 10408 | } |
4f7f8924 AR |
10409 | #endif |
10410 | #ifdef TARGET_NR_getrlimit | |
31e31b8a | 10411 | case TARGET_NR_getrlimit: |
9de5e440 | 10412 | { |
e22b7015 | 10413 | int resource = target_to_host_resource(arg1); |
53a5960a | 10414 | struct target_rlimit *target_rlim; |
9de5e440 | 10415 | struct rlimit rlim; |
3b46e624 | 10416 | |
9de5e440 FB |
10417 | ret = get_errno(getrlimit(resource, &rlim)); |
10418 | if (!is_error(ret)) { | |
579a97f7 | 10419 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 10420 | return -TARGET_EFAULT; |
81bbe906 TY |
10421 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
10422 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 10423 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
10424 | } |
10425 | } | |
72eb7ea8 | 10426 | return ret; |
4f7f8924 | 10427 | #endif |
31e31b8a | 10428 | case TARGET_NR_getrusage: |
b409186b FB |
10429 | { |
10430 | struct rusage rusage; | |
b409186b FB |
10431 | ret = get_errno(getrusage(arg1, &rusage)); |
10432 | if (!is_error(ret)) { | |
a39fb273 | 10433 | ret = host_to_target_rusage(arg2, &rusage); |
b409186b FB |
10434 | } |
10435 | } | |
72eb7ea8 | 10436 | return ret; |
859e8a89 | 10437 | #if defined(TARGET_NR_gettimeofday) |
31e31b8a FB |
10438 | case TARGET_NR_gettimeofday: |
10439 | { | |
31e31b8a | 10440 | struct timeval tv; |
a52f5f87 RH |
10441 | struct timezone tz; |
10442 | ||
10443 | ret = get_errno(gettimeofday(&tv, &tz)); | |
31e31b8a | 10444 | if (!is_error(ret)) { |
a52f5f87 RH |
10445 | if (arg1 && copy_to_user_timeval(arg1, &tv)) { |
10446 | return -TARGET_EFAULT; | |
10447 | } | |
10448 | if (arg2 && copy_to_user_timezone(arg2, &tz)) { | |
2852aafd | 10449 | return -TARGET_EFAULT; |
a52f5f87 | 10450 | } |
31e31b8a FB |
10451 | } |
10452 | } | |
72eb7ea8 | 10453 | return ret; |
859e8a89 AF |
10454 | #endif |
10455 | #if defined(TARGET_NR_settimeofday) | |
31e31b8a FB |
10456 | case TARGET_NR_settimeofday: |
10457 | { | |
b67d8031 | 10458 | struct timeval tv, *ptv = NULL; |
ef4467e9 PB |
10459 | struct timezone tz, *ptz = NULL; |
10460 | ||
b67d8031 PB |
10461 | if (arg1) { |
10462 | if (copy_from_user_timeval(&tv, arg1)) { | |
2852aafd | 10463 | return -TARGET_EFAULT; |
b67d8031 PB |
10464 | } |
10465 | ptv = &tv; | |
10466 | } | |
ef4467e9 PB |
10467 | |
10468 | if (arg2) { | |
10469 | if (copy_from_user_timezone(&tz, arg2)) { | |
2852aafd | 10470 | return -TARGET_EFAULT; |
ef4467e9 PB |
10471 | } |
10472 | ptz = &tz; | |
10473 | } | |
10474 | ||
72eb7ea8 | 10475 | return get_errno(settimeofday(ptv, ptz)); |
31e31b8a | 10476 | } |
859e8a89 | 10477 | #endif |
9468a5d4 | 10478 | #if defined(TARGET_NR_select) |
31e31b8a | 10479 | case TARGET_NR_select: |
5457dc9e LV |
10480 | #if defined(TARGET_WANT_NI_OLD_SELECT) |
10481 | /* some architectures used to have old_select here | |
10482 | * but now ENOSYS it. | |
10483 | */ | |
10484 | ret = -TARGET_ENOSYS; | |
10485 | #elif defined(TARGET_WANT_OLD_SYS_SELECT) | |
10486 | ret = do_old_select(arg1); | |
9468a5d4 | 10487 | #else |
5457dc9e | 10488 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
9468a5d4 | 10489 | #endif |
72eb7ea8 | 10490 | return ret; |
9e42382f RV |
10491 | #endif |
10492 | #ifdef TARGET_NR_pselect6 | |
10493 | case TARGET_NR_pselect6: | |
e5ce9688 FB |
10494 | return do_pselect6(arg1, arg2, arg3, arg4, arg5, arg6, false); |
10495 | #endif | |
10496 | #ifdef TARGET_NR_pselect6_time64 | |
10497 | case TARGET_NR_pselect6_time64: | |
10498 | return do_pselect6(arg1, arg2, arg3, arg4, arg5, arg6, true); | |
048f6b4d | 10499 | #endif |
704eff6c | 10500 | #ifdef TARGET_NR_symlink |
31e31b8a | 10501 | case TARGET_NR_symlink: |
53a5960a PB |
10502 | { |
10503 | void *p2; | |
10504 | p = lock_user_string(arg1); | |
10505 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
10506 | if (!p || !p2) |
10507 | ret = -TARGET_EFAULT; | |
10508 | else | |
10509 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
10510 | unlock_user(p2, arg2, 0); |
10511 | unlock_user(p, arg1, 0); | |
10512 | } | |
72eb7ea8 | 10513 | return ret; |
704eff6c | 10514 | #endif |
c0d472b1 | 10515 | #if defined(TARGET_NR_symlinkat) |
f0b6243d | 10516 | case TARGET_NR_symlinkat: |
f0b6243d | 10517 | { |
579a97f7 | 10518 | void *p2; |
f0b6243d TS |
10519 | p = lock_user_string(arg1); |
10520 | p2 = lock_user_string(arg3); | |
579a97f7 | 10521 | if (!p || !p2) |
0da46a6e | 10522 | ret = -TARGET_EFAULT; |
f0b6243d | 10523 | else |
c0d472b1 | 10524 | ret = get_errno(symlinkat(p, arg2, p2)); |
579a97f7 FB |
10525 | unlock_user(p2, arg3, 0); |
10526 | unlock_user(p, arg1, 0); | |
f0b6243d | 10527 | } |
72eb7ea8 | 10528 | return ret; |
f0b6243d | 10529 | #endif |
704eff6c | 10530 | #ifdef TARGET_NR_readlink |
31e31b8a | 10531 | case TARGET_NR_readlink: |
53a5960a | 10532 | { |
463d8e73 | 10533 | void *p2; |
53a5960a | 10534 | p = lock_user_string(arg1); |
579a97f7 | 10535 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
a4dab0a0 | 10536 | ret = get_errno(do_guest_readlink(p, p2, arg3)); |
53a5960a PB |
10537 | unlock_user(p2, arg2, ret); |
10538 | unlock_user(p, arg1, 0); | |
10539 | } | |
72eb7ea8 | 10540 | return ret; |
704eff6c | 10541 | #endif |
c0d472b1 | 10542 | #if defined(TARGET_NR_readlinkat) |
5e0ccb18 | 10543 | case TARGET_NR_readlinkat: |
5e0ccb18 | 10544 | { |
579a97f7 | 10545 | void *p2; |
5e0ccb18 | 10546 | p = lock_user_string(arg2); |
579a97f7 | 10547 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
463d8e73 AS |
10548 | if (!p || !p2) { |
10549 | ret = -TARGET_EFAULT; | |
65d4830d JN |
10550 | } else if (!arg4) { |
10551 | /* Short circuit this for the magic exe check. */ | |
10552 | ret = -TARGET_EINVAL; | |
463d8e73 | 10553 | } else if (is_proc_myself((const char *)p, "exe")) { |
258bec39 HD |
10554 | /* |
10555 | * Don't worry about sign mismatch as earlier mapping | |
10556 | * logic would have thrown a bad address error. | |
10557 | */ | |
10558 | ret = MIN(strlen(exec_path), arg4); | |
10559 | /* We cannot NUL terminate the string. */ | |
10560 | memcpy(p2, exec_path, ret); | |
463d8e73 | 10561 | } else { |
c0d472b1 | 10562 | ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
463d8e73 | 10563 | } |
579a97f7 FB |
10564 | unlock_user(p2, arg3, ret); |
10565 | unlock_user(p, arg2, 0); | |
5e0ccb18 | 10566 | } |
72eb7ea8 | 10567 | return ret; |
5e0ccb18 | 10568 | #endif |
e5febef5 | 10569 | #ifdef TARGET_NR_swapon |
31e31b8a | 10570 | case TARGET_NR_swapon: |
579a97f7 | 10571 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10572 | return -TARGET_EFAULT; |
53a5960a PB |
10573 | ret = get_errno(swapon(p, arg2)); |
10574 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10575 | return ret; |
e5febef5 | 10576 | #endif |
31e31b8a | 10577 | case TARGET_NR_reboot: |
c07ecc68 LV |
10578 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
10579 | /* arg4 must be ignored in all other cases */ | |
10580 | p = lock_user_string(arg4); | |
10581 | if (!p) { | |
2852aafd | 10582 | return -TARGET_EFAULT; |
c07ecc68 LV |
10583 | } |
10584 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
10585 | unlock_user(p, arg4, 0); | |
10586 | } else { | |
10587 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
10588 | } | |
72eb7ea8 | 10589 | return ret; |
e5febef5 | 10590 | #ifdef TARGET_NR_mmap |
31e31b8a | 10591 | case TARGET_NR_mmap: |
09701199 AG |
10592 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
10593 | (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ | |
a4c075f1 UH |
10594 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
10595 | || defined(TARGET_S390X) | |
31e31b8a | 10596 | { |
992f48a0 BS |
10597 | abi_ulong *v; |
10598 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 | 10599 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
2852aafd | 10600 | return -TARGET_EFAULT; |
cbb21eed MB |
10601 | v1 = tswapal(v[0]); |
10602 | v2 = tswapal(v[1]); | |
10603 | v3 = tswapal(v[2]); | |
10604 | v4 = tswapal(v[3]); | |
10605 | v5 = tswapal(v[4]); | |
10606 | v6 = tswapal(v[5]); | |
53a5960a | 10607 | unlock_user(v, arg1, 0); |
9ab8d071 | 10608 | return do_mmap(v1, v2, v3, v4, v5, v6); |
31e31b8a | 10609 | } |
31e31b8a | 10610 | #else |
ee1bf83d | 10611 | /* mmap pointers are always untagged */ |
9ab8d071 | 10612 | return do_mmap(arg1, arg2, arg3, arg4, arg5, arg6); |
31e31b8a | 10613 | #endif |
e5febef5 | 10614 | #endif |
a315a145 | 10615 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 10616 | case TARGET_NR_mmap2: |
bb7ec043 | 10617 | #ifndef MMAP_SHIFT |
c573ff67 | 10618 | #define MMAP_SHIFT 12 |
c573ff67 | 10619 | #endif |
9ab8d071 RH |
10620 | return do_mmap(arg1, arg2, arg3, arg4, arg5, |
10621 | (off_t)(abi_ulong)arg6 << MMAP_SHIFT); | |
a315a145 | 10622 | #endif |
31e31b8a | 10623 | case TARGET_NR_munmap: |
ee1bf83d | 10624 | arg1 = cpu_untagged_addr(cpu, arg1); |
72eb7ea8 | 10625 | return get_errno(target_munmap(arg1, arg2)); |
9de5e440 | 10626 | case TARGET_NR_mprotect: |
ee1bf83d | 10627 | arg1 = cpu_untagged_addr(cpu, arg1); |
97374d38 | 10628 | { |
0429a971 | 10629 | TaskState *ts = cpu->opaque; |
97374d38 PB |
10630 | /* Special hack to detect libc making the stack executable. */ |
10631 | if ((arg3 & PROT_GROWSDOWN) | |
10632 | && arg1 >= ts->info->stack_limit | |
10633 | && arg1 <= ts->info->start_stack) { | |
10634 | arg3 &= ~PROT_GROWSDOWN; | |
10635 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
10636 | arg1 = ts->info->stack_limit; | |
10637 | } | |
10638 | } | |
72eb7ea8 | 10639 | return get_errno(target_mprotect(arg1, arg2, arg3)); |
e5febef5 | 10640 | #ifdef TARGET_NR_mremap |
9de5e440 | 10641 | case TARGET_NR_mremap: |
ee1bf83d RH |
10642 | arg1 = cpu_untagged_addr(cpu, arg1); |
10643 | /* mremap new_addr (arg5) is always untagged */ | |
72eb7ea8 | 10644 | return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
e5febef5 | 10645 | #endif |
53a5960a | 10646 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 10647 | #ifdef TARGET_NR_msync |
9de5e440 | 10648 | case TARGET_NR_msync: |
fe080593 HD |
10649 | return get_errno(msync(g2h(cpu, arg1), arg2, |
10650 | target_to_host_msync_arg(arg3))); | |
e5febef5 TS |
10651 | #endif |
10652 | #ifdef TARGET_NR_mlock | |
9de5e440 | 10653 | case TARGET_NR_mlock: |
3e8f1628 | 10654 | return get_errno(mlock(g2h(cpu, arg1), arg2)); |
e5febef5 TS |
10655 | #endif |
10656 | #ifdef TARGET_NR_munlock | |
9de5e440 | 10657 | case TARGET_NR_munlock: |
3e8f1628 | 10658 | return get_errno(munlock(g2h(cpu, arg1), arg2)); |
e5febef5 TS |
10659 | #endif |
10660 | #ifdef TARGET_NR_mlockall | |
9de5e440 | 10661 | case TARGET_NR_mlockall: |
72eb7ea8 | 10662 | return get_errno(mlockall(target_to_host_mlockall_arg(arg1))); |
e5febef5 TS |
10663 | #endif |
10664 | #ifdef TARGET_NR_munlockall | |
9de5e440 | 10665 | case TARGET_NR_munlockall: |
72eb7ea8 | 10666 | return get_errno(munlockall()); |
e5febef5 | 10667 | #endif |
4f7f8924 | 10668 | #ifdef TARGET_NR_truncate |
31e31b8a | 10669 | case TARGET_NR_truncate: |
579a97f7 | 10670 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10671 | return -TARGET_EFAULT; |
53a5960a PB |
10672 | ret = get_errno(truncate(p, arg2)); |
10673 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10674 | return ret; |
4f7f8924 AR |
10675 | #endif |
10676 | #ifdef TARGET_NR_ftruncate | |
31e31b8a | 10677 | case TARGET_NR_ftruncate: |
72eb7ea8 | 10678 | return get_errno(ftruncate(arg1, arg2)); |
4f7f8924 | 10679 | #endif |
31e31b8a | 10680 | case TARGET_NR_fchmod: |
72eb7ea8 | 10681 | return get_errno(fchmod(arg1, arg2)); |
c0d472b1 | 10682 | #if defined(TARGET_NR_fchmodat) |
814d7977 | 10683 | case TARGET_NR_fchmodat: |
579a97f7 | 10684 | if (!(p = lock_user_string(arg2))) |
2852aafd | 10685 | return -TARGET_EFAULT; |
c0d472b1 | 10686 | ret = get_errno(fchmodat(arg1, p, arg3, 0)); |
579a97f7 | 10687 | unlock_user(p, arg2, 0); |
72eb7ea8 | 10688 | return ret; |
814d7977 | 10689 | #endif |
31e31b8a | 10690 | case TARGET_NR_getpriority: |
95c09828 RH |
10691 | /* Note that negative values are valid for getpriority, so we must |
10692 | differentiate based on errno settings. */ | |
10693 | errno = 0; | |
10694 | ret = getpriority(arg1, arg2); | |
10695 | if (ret == -1 && errno != 0) { | |
72eb7ea8 | 10696 | return -host_to_target_errno(errno); |
95c09828 RH |
10697 | } |
10698 | #ifdef TARGET_ALPHA | |
10699 | /* Return value is the unbiased priority. Signal no error. */ | |
0effdc29 | 10700 | cpu_env->ir[IR_V0] = 0; |
95c09828 RH |
10701 | #else |
10702 | /* Return value is a biased priority to avoid negative numbers. */ | |
10703 | ret = 20 - ret; | |
10704 | #endif | |
72eb7ea8 | 10705 | return ret; |
31e31b8a | 10706 | case TARGET_NR_setpriority: |
72eb7ea8 | 10707 | return get_errno(setpriority(arg1, arg2, arg3)); |
4f7f8924 | 10708 | #ifdef TARGET_NR_statfs |
31e31b8a | 10709 | case TARGET_NR_statfs: |
2852aafd RH |
10710 | if (!(p = lock_user_string(arg1))) { |
10711 | return -TARGET_EFAULT; | |
10712 | } | |
53a5960a PB |
10713 | ret = get_errno(statfs(path(p), &stfs)); |
10714 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
10715 | convert_statfs: |
10716 | if (!is_error(ret)) { | |
53a5960a | 10717 | struct target_statfs *target_stfs; |
3b46e624 | 10718 | |
579a97f7 | 10719 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
2852aafd | 10720 | return -TARGET_EFAULT; |
579a97f7 FB |
10721 | __put_user(stfs.f_type, &target_stfs->f_type); |
10722 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
10723 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
10724 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
10725 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
10726 | __put_user(stfs.f_files, &target_stfs->f_files); | |
10727 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
10728 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
10729 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
10730 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 | 10731 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
d4247ec2 SL |
10732 | #ifdef _STATFS_F_FLAGS |
10733 | __put_user(stfs.f_flags, &target_stfs->f_flags); | |
10734 | #else | |
10735 | __put_user(0, &target_stfs->f_flags); | |
10736 | #endif | |
229d3376 | 10737 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
53a5960a | 10738 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a | 10739 | } |
72eb7ea8 | 10740 | return ret; |
4f7f8924 AR |
10741 | #endif |
10742 | #ifdef TARGET_NR_fstatfs | |
31e31b8a | 10743 | case TARGET_NR_fstatfs: |
56c8f68f | 10744 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 10745 | goto convert_statfs; |
4f7f8924 | 10746 | #endif |
56c8f68f FB |
10747 | #ifdef TARGET_NR_statfs64 |
10748 | case TARGET_NR_statfs64: | |
2852aafd RH |
10749 | if (!(p = lock_user_string(arg1))) { |
10750 | return -TARGET_EFAULT; | |
10751 | } | |
53a5960a PB |
10752 | ret = get_errno(statfs(path(p), &stfs)); |
10753 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
10754 | convert_statfs64: |
10755 | if (!is_error(ret)) { | |
53a5960a | 10756 | struct target_statfs64 *target_stfs; |
3b46e624 | 10757 | |
579a97f7 | 10758 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
2852aafd | 10759 | return -TARGET_EFAULT; |
579a97f7 FB |
10760 | __put_user(stfs.f_type, &target_stfs->f_type); |
10761 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
10762 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
10763 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
10764 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
10765 | __put_user(stfs.f_files, &target_stfs->f_files); | |
10766 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
10767 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
10768 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
10769 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 | 10770 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
b94e2b4e F |
10771 | #ifdef _STATFS_F_FLAGS |
10772 | __put_user(stfs.f_flags, &target_stfs->f_flags); | |
10773 | #else | |
10774 | __put_user(0, &target_stfs->f_flags); | |
10775 | #endif | |
229d3376 | 10776 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
579a97f7 | 10777 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f | 10778 | } |
72eb7ea8 | 10779 | return ret; |
56c8f68f FB |
10780 | case TARGET_NR_fstatfs64: |
10781 | ret = get_errno(fstatfs(arg1, &stfs)); | |
10782 | goto convert_statfs64; | |
10783 | #endif | |
e5febef5 | 10784 | #ifdef TARGET_NR_socketcall |
31e31b8a | 10785 | case TARGET_NR_socketcall: |
72eb7ea8 | 10786 | return do_socketcall(arg1, arg2); |
e5febef5 | 10787 | #endif |
3532fa74 FB |
10788 | #ifdef TARGET_NR_accept |
10789 | case TARGET_NR_accept: | |
72eb7ea8 | 10790 | return do_accept4(arg1, arg2, arg3, 0); |
a94b4987 PM |
10791 | #endif |
10792 | #ifdef TARGET_NR_accept4 | |
10793 | case TARGET_NR_accept4: | |
72eb7ea8 | 10794 | return do_accept4(arg1, arg2, arg3, arg4); |
3532fa74 FB |
10795 | #endif |
10796 | #ifdef TARGET_NR_bind | |
10797 | case TARGET_NR_bind: | |
72eb7ea8 | 10798 | return do_bind(arg1, arg2, arg3); |
3532fa74 FB |
10799 | #endif |
10800 | #ifdef TARGET_NR_connect | |
10801 | case TARGET_NR_connect: | |
72eb7ea8 | 10802 | return do_connect(arg1, arg2, arg3); |
3532fa74 FB |
10803 | #endif |
10804 | #ifdef TARGET_NR_getpeername | |
10805 | case TARGET_NR_getpeername: | |
72eb7ea8 | 10806 | return do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
10807 | #endif |
10808 | #ifdef TARGET_NR_getsockname | |
10809 | case TARGET_NR_getsockname: | |
72eb7ea8 | 10810 | return do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
10811 | #endif |
10812 | #ifdef TARGET_NR_getsockopt | |
10813 | case TARGET_NR_getsockopt: | |
72eb7ea8 | 10814 | return do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
3532fa74 FB |
10815 | #endif |
10816 | #ifdef TARGET_NR_listen | |
10817 | case TARGET_NR_listen: | |
72eb7ea8 | 10818 | return get_errno(listen(arg1, arg2)); |
3532fa74 FB |
10819 | #endif |
10820 | #ifdef TARGET_NR_recv | |
10821 | case TARGET_NR_recv: | |
72eb7ea8 | 10822 | return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
10823 | #endif |
10824 | #ifdef TARGET_NR_recvfrom | |
10825 | case TARGET_NR_recvfrom: | |
72eb7ea8 | 10826 | return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
10827 | #endif |
10828 | #ifdef TARGET_NR_recvmsg | |
10829 | case TARGET_NR_recvmsg: | |
72eb7ea8 | 10830 | return do_sendrecvmsg(arg1, arg2, arg3, 0); |
3532fa74 FB |
10831 | #endif |
10832 | #ifdef TARGET_NR_send | |
10833 | case TARGET_NR_send: | |
72eb7ea8 | 10834 | return do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
10835 | #endif |
10836 | #ifdef TARGET_NR_sendmsg | |
10837 | case TARGET_NR_sendmsg: | |
72eb7ea8 | 10838 | return do_sendrecvmsg(arg1, arg2, arg3, 1); |
3532fa74 | 10839 | #endif |
f19e00d7 AG |
10840 | #ifdef TARGET_NR_sendmmsg |
10841 | case TARGET_NR_sendmmsg: | |
72eb7ea8 | 10842 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); |
859e8a89 AF |
10843 | #endif |
10844 | #ifdef TARGET_NR_recvmmsg | |
f19e00d7 | 10845 | case TARGET_NR_recvmmsg: |
72eb7ea8 | 10846 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); |
f19e00d7 | 10847 | #endif |
3532fa74 FB |
10848 | #ifdef TARGET_NR_sendto |
10849 | case TARGET_NR_sendto: | |
72eb7ea8 | 10850 | return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
10851 | #endif |
10852 | #ifdef TARGET_NR_shutdown | |
10853 | case TARGET_NR_shutdown: | |
72eb7ea8 | 10854 | return get_errno(shutdown(arg1, arg2)); |
3532fa74 | 10855 | #endif |
f894efd1 LV |
10856 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
10857 | case TARGET_NR_getrandom: | |
10858 | p = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
10859 | if (!p) { | |
2852aafd | 10860 | return -TARGET_EFAULT; |
f894efd1 LV |
10861 | } |
10862 | ret = get_errno(getrandom(p, arg2, arg3)); | |
10863 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 10864 | return ret; |
f894efd1 | 10865 | #endif |
3532fa74 FB |
10866 | #ifdef TARGET_NR_socket |
10867 | case TARGET_NR_socket: | |
72eb7ea8 | 10868 | return do_socket(arg1, arg2, arg3); |
3532fa74 FB |
10869 | #endif |
10870 | #ifdef TARGET_NR_socketpair | |
10871 | case TARGET_NR_socketpair: | |
72eb7ea8 | 10872 | return do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
10873 | #endif |
10874 | #ifdef TARGET_NR_setsockopt | |
10875 | case TARGET_NR_setsockopt: | |
72eb7ea8 | 10876 | return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
3532fa74 | 10877 | #endif |
da2c8ad7 | 10878 | #if defined(TARGET_NR_syslog) |
31e31b8a | 10879 | case TARGET_NR_syslog: |
da2c8ad7 AM |
10880 | { |
10881 | int len = arg2; | |
7494b0f9 | 10882 | |
da2c8ad7 AM |
10883 | switch (arg1) { |
10884 | case TARGET_SYSLOG_ACTION_CLOSE: /* Close log */ | |
10885 | case TARGET_SYSLOG_ACTION_OPEN: /* Open log */ | |
10886 | case TARGET_SYSLOG_ACTION_CLEAR: /* Clear ring buffer */ | |
10887 | case TARGET_SYSLOG_ACTION_CONSOLE_OFF: /* Disable logging */ | |
10888 | case TARGET_SYSLOG_ACTION_CONSOLE_ON: /* Enable logging */ | |
10889 | case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: /* Set messages level */ | |
10890 | case TARGET_SYSLOG_ACTION_SIZE_UNREAD: /* Number of chars */ | |
10891 | case TARGET_SYSLOG_ACTION_SIZE_BUFFER: /* Size of the buffer */ | |
72eb7ea8 | 10892 | return get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); |
da2c8ad7 AM |
10893 | case TARGET_SYSLOG_ACTION_READ: /* Read from log */ |
10894 | case TARGET_SYSLOG_ACTION_READ_CLEAR: /* Read/clear msgs */ | |
10895 | case TARGET_SYSLOG_ACTION_READ_ALL: /* Read last messages */ | |
10896 | { | |
da2c8ad7 | 10897 | if (len < 0) { |
259841c1 | 10898 | return -TARGET_EINVAL; |
da2c8ad7 | 10899 | } |
da2c8ad7 | 10900 | if (len == 0) { |
72eb7ea8 | 10901 | return 0; |
da2c8ad7 AM |
10902 | } |
10903 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
10904 | if (!p) { | |
259841c1 | 10905 | return -TARGET_EFAULT; |
da2c8ad7 AM |
10906 | } |
10907 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); | |
10908 | unlock_user(p, arg2, arg3); | |
10909 | } | |
72eb7ea8 | 10910 | return ret; |
da2c8ad7 | 10911 | default: |
72eb7ea8 | 10912 | return -TARGET_EINVAL; |
da2c8ad7 AM |
10913 | } |
10914 | } | |
10915 | break; | |
10916 | #endif | |
31e31b8a | 10917 | case TARGET_NR_setitimer: |
66fb9763 | 10918 | { |
66fb9763 FB |
10919 | struct itimerval value, ovalue, *pvalue; |
10920 | ||
53a5960a | 10921 | if (arg2) { |
66fb9763 | 10922 | pvalue = &value; |
788f5ec4 TS |
10923 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
10924 | || copy_from_user_timeval(&pvalue->it_value, | |
10925 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 10926 | return -TARGET_EFAULT; |
66fb9763 FB |
10927 | } else { |
10928 | pvalue = NULL; | |
10929 | } | |
10930 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 10931 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
10932 | if (copy_to_user_timeval(arg3, |
10933 | &ovalue.it_interval) | |
10934 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
10935 | &ovalue.it_value)) | |
2852aafd | 10936 | return -TARGET_EFAULT; |
66fb9763 FB |
10937 | } |
10938 | } | |
72eb7ea8 | 10939 | return ret; |
31e31b8a | 10940 | case TARGET_NR_getitimer: |
66fb9763 | 10941 | { |
66fb9763 | 10942 | struct itimerval value; |
3b46e624 | 10943 | |
66fb9763 | 10944 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 10945 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
10946 | if (copy_to_user_timeval(arg2, |
10947 | &value.it_interval) | |
10948 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
10949 | &value.it_value)) | |
2852aafd | 10950 | return -TARGET_EFAULT; |
66fb9763 FB |
10951 | } |
10952 | } | |
72eb7ea8 | 10953 | return ret; |
704eff6c | 10954 | #ifdef TARGET_NR_stat |
31e31b8a | 10955 | case TARGET_NR_stat: |
2852aafd RH |
10956 | if (!(p = lock_user_string(arg1))) { |
10957 | return -TARGET_EFAULT; | |
10958 | } | |
53a5960a PB |
10959 | ret = get_errno(stat(path(p), &st)); |
10960 | unlock_user(p, arg1, 0); | |
31e31b8a | 10961 | goto do_stat; |
704eff6c CG |
10962 | #endif |
10963 | #ifdef TARGET_NR_lstat | |
31e31b8a | 10964 | case TARGET_NR_lstat: |
2852aafd RH |
10965 | if (!(p = lock_user_string(arg1))) { |
10966 | return -TARGET_EFAULT; | |
10967 | } | |
53a5960a PB |
10968 | ret = get_errno(lstat(path(p), &st)); |
10969 | unlock_user(p, arg1, 0); | |
31e31b8a | 10970 | goto do_stat; |
704eff6c | 10971 | #endif |
4f7f8924 | 10972 | #ifdef TARGET_NR_fstat |
31e31b8a FB |
10973 | case TARGET_NR_fstat: |
10974 | { | |
10975 | ret = get_errno(fstat(arg1, &st)); | |
704eff6c | 10976 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat) |
31e31b8a | 10977 | do_stat: |
704eff6c | 10978 | #endif |
31e31b8a | 10979 | if (!is_error(ret)) { |
53a5960a | 10980 | struct target_stat *target_st; |
e3584658 | 10981 | |
579a97f7 | 10982 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
2852aafd | 10983 | return -TARGET_EFAULT; |
12727917 | 10984 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
10985 | __put_user(st.st_dev, &target_st->st_dev); |
10986 | __put_user(st.st_ino, &target_st->st_ino); | |
10987 | __put_user(st.st_mode, &target_st->st_mode); | |
10988 | __put_user(st.st_uid, &target_st->st_uid); | |
10989 | __put_user(st.st_gid, &target_st->st_gid); | |
10990 | __put_user(st.st_nlink, &target_st->st_nlink); | |
10991 | __put_user(st.st_rdev, &target_st->st_rdev); | |
10992 | __put_user(st.st_size, &target_st->st_size); | |
10993 | __put_user(st.st_blksize, &target_st->st_blksize); | |
10994 | __put_user(st.st_blocks, &target_st->st_blocks); | |
10995 | __put_user(st.st_atime, &target_st->target_st_atime); | |
10996 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
10997 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
febf6fad | 10998 | #if defined(HAVE_STRUCT_STAT_ST_ATIM) && defined(TARGET_STAT_HAVE_NSEC) |
5f992db6 CYT |
10999 | __put_user(st.st_atim.tv_nsec, |
11000 | &target_st->target_st_atime_nsec); | |
11001 | __put_user(st.st_mtim.tv_nsec, | |
11002 | &target_st->target_st_mtime_nsec); | |
11003 | __put_user(st.st_ctim.tv_nsec, | |
11004 | &target_st->target_st_ctime_nsec); | |
11005 | #endif | |
53a5960a | 11006 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
11007 | } |
11008 | } | |
72eb7ea8 | 11009 | return ret; |
ebc05488 | 11010 | #endif |
31e31b8a | 11011 | case TARGET_NR_vhangup: |
72eb7ea8 | 11012 | return get_errno(vhangup()); |
42ad6ae9 FB |
11013 | #ifdef TARGET_NR_syscall |
11014 | case TARGET_NR_syscall: | |
72eb7ea8 RH |
11015 | return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
11016 | arg6, arg7, arg8, 0); | |
ebc05488 | 11017 | #endif |
859e8a89 | 11018 | #if defined(TARGET_NR_wait4) |
31e31b8a FB |
11019 | case TARGET_NR_wait4: |
11020 | { | |
11021 | int status; | |
992f48a0 | 11022 | abi_long status_ptr = arg2; |
31e31b8a | 11023 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 11024 | abi_ulong target_rusage = arg4; |
a39fb273 | 11025 | abi_long rusage_err; |
31e31b8a FB |
11026 | if (target_rusage) |
11027 | rusage_ptr = &rusage; | |
11028 | else | |
11029 | rusage_ptr = NULL; | |
4af80a37 | 11030 | ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr)); |
31e31b8a | 11031 | if (!is_error(ret)) { |
5379557b | 11032 | if (status_ptr && ret) { |
1d9d8b55 | 11033 | status = host_to_target_waitstatus(status); |
2f619698 | 11034 | if (put_user_s32(status, status_ptr)) |
2852aafd | 11035 | return -TARGET_EFAULT; |
31e31b8a | 11036 | } |
a39fb273 PJ |
11037 | if (target_rusage) { |
11038 | rusage_err = host_to_target_rusage(target_rusage, &rusage); | |
11039 | if (rusage_err) { | |
11040 | ret = rusage_err; | |
11041 | } | |
11042 | } | |
31e31b8a FB |
11043 | } |
11044 | } | |
72eb7ea8 | 11045 | return ret; |
859e8a89 | 11046 | #endif |
e5febef5 | 11047 | #ifdef TARGET_NR_swapoff |
31e31b8a | 11048 | case TARGET_NR_swapoff: |
579a97f7 | 11049 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11050 | return -TARGET_EFAULT; |
53a5960a PB |
11051 | ret = get_errno(swapoff(p)); |
11052 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11053 | return ret; |
e5febef5 | 11054 | #endif |
31e31b8a | 11055 | case TARGET_NR_sysinfo: |
a5448a7d | 11056 | { |
53a5960a | 11057 | struct target_sysinfo *target_value; |
a5448a7d FB |
11058 | struct sysinfo value; |
11059 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 11060 | if (!is_error(ret) && arg1) |
a5448a7d | 11061 | { |
579a97f7 | 11062 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
2852aafd | 11063 | return -TARGET_EFAULT; |
a5448a7d FB |
11064 | __put_user(value.uptime, &target_value->uptime); |
11065 | __put_user(value.loads[0], &target_value->loads[0]); | |
11066 | __put_user(value.loads[1], &target_value->loads[1]); | |
11067 | __put_user(value.loads[2], &target_value->loads[2]); | |
11068 | __put_user(value.totalram, &target_value->totalram); | |
11069 | __put_user(value.freeram, &target_value->freeram); | |
11070 | __put_user(value.sharedram, &target_value->sharedram); | |
11071 | __put_user(value.bufferram, &target_value->bufferram); | |
11072 | __put_user(value.totalswap, &target_value->totalswap); | |
11073 | __put_user(value.freeswap, &target_value->freeswap); | |
11074 | __put_user(value.procs, &target_value->procs); | |
11075 | __put_user(value.totalhigh, &target_value->totalhigh); | |
11076 | __put_user(value.freehigh, &target_value->freehigh); | |
11077 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 11078 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
11079 | } |
11080 | } | |
72eb7ea8 | 11081 | return ret; |
e5febef5 | 11082 | #ifdef TARGET_NR_ipc |
31e31b8a | 11083 | case TARGET_NR_ipc: |
72eb7ea8 | 11084 | return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); |
e5febef5 | 11085 | #endif |
e5289087 AJ |
11086 | #ifdef TARGET_NR_semget |
11087 | case TARGET_NR_semget: | |
72eb7ea8 | 11088 | return get_errno(semget(arg1, arg2, arg3)); |
e5289087 AJ |
11089 | #endif |
11090 | #ifdef TARGET_NR_semop | |
11091 | case TARGET_NR_semop: | |
cac46eb0 | 11092 | return do_semtimedop(arg1, arg2, arg3, 0, false); |
d8c08b1e MK |
11093 | #endif |
11094 | #ifdef TARGET_NR_semtimedop | |
11095 | case TARGET_NR_semtimedop: | |
cac46eb0 FB |
11096 | return do_semtimedop(arg1, arg2, arg3, arg4, false); |
11097 | #endif | |
11098 | #ifdef TARGET_NR_semtimedop_time64 | |
11099 | case TARGET_NR_semtimedop_time64: | |
11100 | return do_semtimedop(arg1, arg2, arg3, arg4, true); | |
e5289087 AJ |
11101 | #endif |
11102 | #ifdef TARGET_NR_semctl | |
11103 | case TARGET_NR_semctl: | |
72eb7ea8 | 11104 | return do_semctl(arg1, arg2, arg3, arg4); |
e5289087 | 11105 | #endif |
eeb438c1 AJ |
11106 | #ifdef TARGET_NR_msgctl |
11107 | case TARGET_NR_msgctl: | |
72eb7ea8 | 11108 | return do_msgctl(arg1, arg2, arg3); |
eeb438c1 AJ |
11109 | #endif |
11110 | #ifdef TARGET_NR_msgget | |
11111 | case TARGET_NR_msgget: | |
72eb7ea8 | 11112 | return get_errno(msgget(arg1, arg2)); |
eeb438c1 AJ |
11113 | #endif |
11114 | #ifdef TARGET_NR_msgrcv | |
11115 | case TARGET_NR_msgrcv: | |
72eb7ea8 | 11116 | return do_msgrcv(arg1, arg2, arg3, arg4, arg5); |
eeb438c1 AJ |
11117 | #endif |
11118 | #ifdef TARGET_NR_msgsnd | |
11119 | case TARGET_NR_msgsnd: | |
72eb7ea8 | 11120 | return do_msgsnd(arg1, arg2, arg3, arg4); |
88a8c984 RV |
11121 | #endif |
11122 | #ifdef TARGET_NR_shmget | |
11123 | case TARGET_NR_shmget: | |
72eb7ea8 | 11124 | return get_errno(shmget(arg1, arg2, arg3)); |
88a8c984 RV |
11125 | #endif |
11126 | #ifdef TARGET_NR_shmctl | |
11127 | case TARGET_NR_shmctl: | |
72eb7ea8 | 11128 | return do_shmctl(arg1, arg2, arg3); |
88a8c984 RV |
11129 | #endif |
11130 | #ifdef TARGET_NR_shmat | |
11131 | case TARGET_NR_shmat: | |
72eb7ea8 | 11132 | return do_shmat(cpu_env, arg1, arg2, arg3); |
88a8c984 RV |
11133 | #endif |
11134 | #ifdef TARGET_NR_shmdt | |
11135 | case TARGET_NR_shmdt: | |
72eb7ea8 | 11136 | return do_shmdt(arg1); |
eeb438c1 | 11137 | #endif |
31e31b8a | 11138 | case TARGET_NR_fsync: |
72eb7ea8 | 11139 | return get_errno(fsync(arg1)); |
31e31b8a | 11140 | case TARGET_NR_clone: |
4ce6243d PM |
11141 | /* Linux manages to have three different orderings for its |
11142 | * arguments to clone(); the BACKWARDS and BACKWARDS2 defines | |
11143 | * match the kernel's CONFIG_CLONE_* settings. | |
11144 | * Microblaze is further special in that it uses a sixth | |
11145 | * implicit argument to clone for the TLS pointer. | |
11146 | */ | |
11147 | #if defined(TARGET_MICROBLAZE) | |
a5b3bdcb | 11148 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
4ce6243d PM |
11149 | #elif defined(TARGET_CLONE_BACKWARDS) |
11150 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); | |
11151 | #elif defined(TARGET_CLONE_BACKWARDS2) | |
a4c075f1 | 11152 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
0b6d3ae0 | 11153 | #else |
4ce6243d | 11154 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
0b6d3ae0 | 11155 | #endif |
72eb7ea8 | 11156 | return ret; |
ec86b0fb FB |
11157 | #ifdef __NR_exit_group |
11158 | /* new thread calls */ | |
11159 | case TARGET_NR_exit_group: | |
708b6a64 | 11160 | preexit_cleanup(cpu_env, arg1); |
72eb7ea8 | 11161 | return get_errno(exit_group(arg1)); |
ec86b0fb | 11162 | #endif |
31e31b8a | 11163 | case TARGET_NR_setdomainname: |
579a97f7 | 11164 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11165 | return -TARGET_EFAULT; |
53a5960a PB |
11166 | ret = get_errno(setdomainname(p, arg2)); |
11167 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11168 | return ret; |
31e31b8a FB |
11169 | case TARGET_NR_uname: |
11170 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
11171 | { |
11172 | struct new_utsname * buf; | |
3b46e624 | 11173 | |
579a97f7 | 11174 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
2852aafd | 11175 | return -TARGET_EFAULT; |
29e619b1 FB |
11176 | ret = get_errno(sys_uname(buf)); |
11177 | if (!is_error(ret)) { | |
332c9781 | 11178 | /* Overwrite the native machine name with whatever is being |
29e619b1 | 11179 | emulated. */ |
871f95c6 PMD |
11180 | g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env), |
11181 | sizeof(buf->machine)); | |
c5937220 | 11182 | /* Allow the user to override the reported release. */ |
332c9781 PM |
11183 | if (qemu_uname_release && *qemu_uname_release) { |
11184 | g_strlcpy(buf->release, qemu_uname_release, | |
11185 | sizeof(buf->release)); | |
11186 | } | |
29e619b1 | 11187 | } |
53a5960a | 11188 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 11189 | } |
72eb7ea8 | 11190 | return ret; |
6dbad63e | 11191 | #ifdef TARGET_I386 |
31e31b8a | 11192 | case TARGET_NR_modify_ldt: |
72eb7ea8 | 11193 | return do_modify_ldt(cpu_env, arg1, arg2, arg3); |
84409ddb | 11194 | #if !defined(TARGET_X86_64) |
5cd4393b | 11195 | case TARGET_NR_vm86: |
72eb7ea8 | 11196 | return do_vm86(cpu_env, arg1, arg2); |
84409ddb | 11197 | #endif |
6dbad63e | 11198 | #endif |
859e8a89 | 11199 | #if defined(TARGET_NR_adjtimex) |
31e31b8a | 11200 | case TARGET_NR_adjtimex: |
19f59bce AM |
11201 | { |
11202 | struct timex host_buf; | |
11203 | ||
11204 | if (target_to_host_timex(&host_buf, arg1) != 0) { | |
2852aafd | 11205 | return -TARGET_EFAULT; |
19f59bce AM |
11206 | } |
11207 | ret = get_errno(adjtimex(&host_buf)); | |
11208 | if (!is_error(ret)) { | |
11209 | if (host_to_target_timex(arg1, &host_buf) != 0) { | |
2852aafd | 11210 | return -TARGET_EFAULT; |
19f59bce AM |
11211 | } |
11212 | } | |
11213 | } | |
72eb7ea8 | 11214 | return ret; |
859e8a89 | 11215 | #endif |
38860a03 AM |
11216 | #if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME) |
11217 | case TARGET_NR_clock_adjtime: | |
11218 | { | |
aab74610 | 11219 | struct timex htx; |
38860a03 | 11220 | |
aab74610 | 11221 | if (target_to_host_timex(&htx, arg2) != 0) { |
2852aafd | 11222 | return -TARGET_EFAULT; |
38860a03 | 11223 | } |
aab74610 PM |
11224 | ret = get_errno(clock_adjtime(arg1, &htx)); |
11225 | if (!is_error(ret) && host_to_target_timex(arg2, &htx)) { | |
11226 | return -TARGET_EFAULT; | |
38860a03 AM |
11227 | } |
11228 | } | |
72eb7ea8 | 11229 | return ret; |
6ac03b2c FB |
11230 | #endif |
11231 | #if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME) | |
11232 | case TARGET_NR_clock_adjtime64: | |
11233 | { | |
11234 | struct timex htx; | |
11235 | ||
11236 | if (target_to_host_timex64(&htx, arg2) != 0) { | |
11237 | return -TARGET_EFAULT; | |
11238 | } | |
11239 | ret = get_errno(clock_adjtime(arg1, &htx)); | |
11240 | if (!is_error(ret) && host_to_target_timex64(arg2, &htx)) { | |
11241 | return -TARGET_EFAULT; | |
11242 | } | |
11243 | } | |
11244 | return ret; | |
38860a03 | 11245 | #endif |
31e31b8a | 11246 | case TARGET_NR_getpgid: |
72eb7ea8 | 11247 | return get_errno(getpgid(arg1)); |
31e31b8a | 11248 | case TARGET_NR_fchdir: |
72eb7ea8 | 11249 | return get_errno(fchdir(arg1)); |
31e31b8a | 11250 | case TARGET_NR_personality: |
72eb7ea8 | 11251 | return get_errno(personality(arg1)); |
7a3148a9 | 11252 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
11253 | case TARGET_NR__llseek: |
11254 | { | |
0c1592d9 | 11255 | int64_t res; |
d35b261c | 11256 | #if !defined(__NR_llseek) |
9fea273c | 11257 | res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5); |
0c1592d9 PM |
11258 | if (res == -1) { |
11259 | ret = get_errno(res); | |
11260 | } else { | |
11261 | ret = 0; | |
11262 | } | |
4f2ac237 | 11263 | #else |
31e31b8a | 11264 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 11265 | #endif |
0c1592d9 | 11266 | if ((ret == 0) && put_user_s64(res, arg4)) { |
2852aafd | 11267 | return -TARGET_EFAULT; |
0c1592d9 | 11268 | } |
31e31b8a | 11269 | } |
72eb7ea8 | 11270 | return ret; |
7a3148a9 | 11271 | #endif |
704eff6c | 11272 | #ifdef TARGET_NR_getdents |
31e31b8a | 11273 | case TARGET_NR_getdents: |
fd08ddb9 | 11274 | return do_getdents(arg1, arg2, arg3); |
704eff6c | 11275 | #endif /* TARGET_NR_getdents */ |
3ae43202 | 11276 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 | 11277 | case TARGET_NR_getdents64: |
fd08ddb9 | 11278 | return do_getdents64(arg1, arg2, arg3); |
a541f297 | 11279 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 11280 | #if defined(TARGET_NR__newselect) |
31e31b8a | 11281 | case TARGET_NR__newselect: |
72eb7ea8 | 11282 | return do_select(arg1, arg2, arg3, arg4, arg5); |
e5febef5 | 11283 | #endif |
e5ce9688 | 11284 | #ifdef TARGET_NR_poll |
9de5e440 | 11285 | case TARGET_NR_poll: |
e5ce9688 FB |
11286 | return do_ppoll(arg1, arg2, arg3, arg4, arg5, false, false); |
11287 | #endif | |
11288 | #ifdef TARGET_NR_ppoll | |
d8035d4c | 11289 | case TARGET_NR_ppoll: |
e5ce9688 FB |
11290 | return do_ppoll(arg1, arg2, arg3, arg4, arg5, true, false); |
11291 | #endif | |
11292 | #ifdef TARGET_NR_ppoll_time64 | |
11293 | case TARGET_NR_ppoll_time64: | |
11294 | return do_ppoll(arg1, arg2, arg3, arg4, arg5, true, true); | |
e5febef5 | 11295 | #endif |
31e31b8a | 11296 | case TARGET_NR_flock: |
9de5e440 FB |
11297 | /* NOTE: the flock constant seems to be the same for every |
11298 | Linux platform */ | |
72eb7ea8 | 11299 | return get_errno(safe_flock(arg1, arg2)); |
31e31b8a FB |
11300 | case TARGET_NR_readv: |
11301 | { | |
f287b2c2 RH |
11302 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
11303 | if (vec != NULL) { | |
918c03ed | 11304 | ret = get_errno(safe_readv(arg1, vec, arg3)); |
f287b2c2 RH |
11305 | unlock_iovec(vec, arg2, arg3, 1); |
11306 | } else { | |
11307 | ret = -host_to_target_errno(errno); | |
11308 | } | |
31e31b8a | 11309 | } |
72eb7ea8 | 11310 | return ret; |
31e31b8a FB |
11311 | case TARGET_NR_writev: |
11312 | { | |
f287b2c2 RH |
11313 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
11314 | if (vec != NULL) { | |
918c03ed | 11315 | ret = get_errno(safe_writev(arg1, vec, arg3)); |
f287b2c2 RH |
11316 | unlock_iovec(vec, arg2, arg3, 0); |
11317 | } else { | |
11318 | ret = -host_to_target_errno(errno); | |
11319 | } | |
31e31b8a | 11320 | } |
72eb7ea8 | 11321 | return ret; |
0f26386c DJ |
11322 | #if defined(TARGET_NR_preadv) |
11323 | case TARGET_NR_preadv: | |
11324 | { | |
11325 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); | |
11326 | if (vec != NULL) { | |
9ac22517 MF |
11327 | unsigned long low, high; |
11328 | ||
11329 | target_to_host_low_high(arg4, arg5, &low, &high); | |
11330 | ret = get_errno(safe_preadv(arg1, vec, arg3, low, high)); | |
0f26386c DJ |
11331 | unlock_iovec(vec, arg2, arg3, 1); |
11332 | } else { | |
11333 | ret = -host_to_target_errno(errno); | |
f8d00fba DJ |
11334 | } |
11335 | } | |
72eb7ea8 | 11336 | return ret; |
f8d00fba DJ |
11337 | #endif |
11338 | #if defined(TARGET_NR_pwritev) | |
11339 | case TARGET_NR_pwritev: | |
11340 | { | |
11341 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); | |
11342 | if (vec != NULL) { | |
9ac22517 MF |
11343 | unsigned long low, high; |
11344 | ||
11345 | target_to_host_low_high(arg4, arg5, &low, &high); | |
11346 | ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high)); | |
f8d00fba DJ |
11347 | unlock_iovec(vec, arg2, arg3, 0); |
11348 | } else { | |
11349 | ret = -host_to_target_errno(errno); | |
0f26386c DJ |
11350 | } |
11351 | } | |
72eb7ea8 | 11352 | return ret; |
0f26386c | 11353 | #endif |
31e31b8a | 11354 | case TARGET_NR_getsid: |
72eb7ea8 | 11355 | return get_errno(getsid(arg1)); |
7a3148a9 | 11356 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 11357 | case TARGET_NR_fdatasync: |
72eb7ea8 | 11358 | return get_errno(fdatasync(arg1)); |
704eff6c | 11359 | #endif |
737de1d1 MF |
11360 | case TARGET_NR_sched_getaffinity: |
11361 | { | |
11362 | unsigned int mask_size; | |
11363 | unsigned long *mask; | |
11364 | ||
11365 | /* | |
11366 | * sched_getaffinity needs multiples of ulong, so need to take | |
11367 | * care of mismatches between target ulong and host ulong sizes. | |
11368 | */ | |
11369 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 11370 | return -TARGET_EINVAL; |
737de1d1 MF |
11371 | } |
11372 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
11373 | ||
11374 | mask = alloca(mask_size); | |
2e0a8713 | 11375 | memset(mask, 0, mask_size); |
737de1d1 MF |
11376 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); |
11377 | ||
11378 | if (!is_error(ret)) { | |
be3bd286 PM |
11379 | if (ret > arg2) { |
11380 | /* More data returned than the caller's buffer will fit. | |
11381 | * This only happens if sizeof(abi_long) < sizeof(long) | |
11382 | * and the caller passed us a buffer holding an odd number | |
11383 | * of abi_longs. If the host kernel is actually using the | |
11384 | * extra 4 bytes then fail EINVAL; otherwise we can just | |
11385 | * ignore them and only copy the interesting part. | |
11386 | */ | |
11387 | int numcpus = sysconf(_SC_NPROCESSORS_CONF); | |
11388 | if (numcpus > arg2 * 8) { | |
72eb7ea8 | 11389 | return -TARGET_EINVAL; |
be3bd286 PM |
11390 | } |
11391 | ret = arg2; | |
11392 | } | |
11393 | ||
5fdefcf8 | 11394 | if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) { |
2852aafd | 11395 | return -TARGET_EFAULT; |
5fdefcf8 | 11396 | } |
737de1d1 MF |
11397 | } |
11398 | } | |
72eb7ea8 | 11399 | return ret; |
737de1d1 MF |
11400 | case TARGET_NR_sched_setaffinity: |
11401 | { | |
11402 | unsigned int mask_size; | |
11403 | unsigned long *mask; | |
11404 | ||
11405 | /* | |
11406 | * sched_setaffinity needs multiples of ulong, so need to take | |
11407 | * care of mismatches between target ulong and host ulong sizes. | |
11408 | */ | |
11409 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 11410 | return -TARGET_EINVAL; |
737de1d1 MF |
11411 | } |
11412 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
737de1d1 | 11413 | mask = alloca(mask_size); |
2e0a8713 ST |
11414 | |
11415 | ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2); | |
11416 | if (ret) { | |
72eb7ea8 | 11417 | return ret; |
737de1d1 | 11418 | } |
737de1d1 | 11419 | |
72eb7ea8 | 11420 | return get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); |
737de1d1 | 11421 | } |
b827c3ed ST |
11422 | case TARGET_NR_getcpu: |
11423 | { | |
11424 | unsigned cpu, node; | |
11425 | ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL, | |
11426 | arg2 ? &node : NULL, | |
11427 | NULL)); | |
11428 | if (is_error(ret)) { | |
259841c1 | 11429 | return ret; |
b827c3ed ST |
11430 | } |
11431 | if (arg1 && put_user_u32(cpu, arg1)) { | |
2852aafd | 11432 | return -TARGET_EFAULT; |
b827c3ed ST |
11433 | } |
11434 | if (arg2 && put_user_u32(node, arg2)) { | |
2852aafd | 11435 | return -TARGET_EFAULT; |
b827c3ed ST |
11436 | } |
11437 | } | |
72eb7ea8 | 11438 | return ret; |
31e31b8a | 11439 | case TARGET_NR_sched_setparam: |
5cd4393b | 11440 | { |
407a119b | 11441 | struct target_sched_param *target_schp; |
5cd4393b | 11442 | struct sched_param schp; |
53a5960a | 11443 | |
a1d5c5b2 TM |
11444 | if (arg2 == 0) { |
11445 | return -TARGET_EINVAL; | |
11446 | } | |
407a119b | 11447 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) { |
2852aafd | 11448 | return -TARGET_EFAULT; |
407a119b | 11449 | } |
5cd4393b | 11450 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 11451 | unlock_user_struct(target_schp, arg2, 0); |
407a119b | 11452 | return get_errno(sys_sched_setparam(arg1, &schp)); |
5cd4393b | 11453 | } |
31e31b8a | 11454 | case TARGET_NR_sched_getparam: |
5cd4393b | 11455 | { |
407a119b | 11456 | struct target_sched_param *target_schp; |
5cd4393b | 11457 | struct sched_param schp; |
a1d5c5b2 TM |
11458 | |
11459 | if (arg2 == 0) { | |
11460 | return -TARGET_EINVAL; | |
11461 | } | |
407a119b | 11462 | ret = get_errno(sys_sched_getparam(arg1, &schp)); |
5cd4393b | 11463 | if (!is_error(ret)) { |
407a119b | 11464 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) { |
2852aafd | 11465 | return -TARGET_EFAULT; |
407a119b | 11466 | } |
5cd4393b | 11467 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 11468 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
11469 | } |
11470 | } | |
72eb7ea8 | 11471 | return ret; |
31e31b8a | 11472 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 11473 | { |
407a119b | 11474 | struct target_sched_param *target_schp; |
5cd4393b | 11475 | struct sched_param schp; |
a1d5c5b2 TM |
11476 | if (arg3 == 0) { |
11477 | return -TARGET_EINVAL; | |
11478 | } | |
407a119b | 11479 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) { |
2852aafd | 11480 | return -TARGET_EFAULT; |
407a119b | 11481 | } |
5cd4393b | 11482 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 11483 | unlock_user_struct(target_schp, arg3, 0); |
407a119b | 11484 | return get_errno(sys_sched_setscheduler(arg1, arg2, &schp)); |
5cd4393b | 11485 | } |
31e31b8a | 11486 | case TARGET_NR_sched_getscheduler: |
407a119b | 11487 | return get_errno(sys_sched_getscheduler(arg1)); |
45ad761c TT |
11488 | case TARGET_NR_sched_getattr: |
11489 | { | |
11490 | struct target_sched_attr *target_scha; | |
11491 | struct sched_attr scha; | |
11492 | if (arg2 == 0) { | |
11493 | return -TARGET_EINVAL; | |
11494 | } | |
11495 | if (arg3 > sizeof(scha)) { | |
11496 | arg3 = sizeof(scha); | |
11497 | } | |
11498 | ret = get_errno(sys_sched_getattr(arg1, &scha, arg3, arg4)); | |
11499 | if (!is_error(ret)) { | |
11500 | target_scha = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
11501 | if (!target_scha) { | |
11502 | return -TARGET_EFAULT; | |
11503 | } | |
11504 | target_scha->size = tswap32(scha.size); | |
11505 | target_scha->sched_policy = tswap32(scha.sched_policy); | |
11506 | target_scha->sched_flags = tswap64(scha.sched_flags); | |
11507 | target_scha->sched_nice = tswap32(scha.sched_nice); | |
11508 | target_scha->sched_priority = tswap32(scha.sched_priority); | |
11509 | target_scha->sched_runtime = tswap64(scha.sched_runtime); | |
11510 | target_scha->sched_deadline = tswap64(scha.sched_deadline); | |
11511 | target_scha->sched_period = tswap64(scha.sched_period); | |
11512 | if (scha.size > offsetof(struct sched_attr, sched_util_min)) { | |
11513 | target_scha->sched_util_min = tswap32(scha.sched_util_min); | |
11514 | target_scha->sched_util_max = tswap32(scha.sched_util_max); | |
11515 | } | |
11516 | unlock_user(target_scha, arg2, arg3); | |
11517 | } | |
11518 | return ret; | |
11519 | } | |
11520 | case TARGET_NR_sched_setattr: | |
11521 | { | |
11522 | struct target_sched_attr *target_scha; | |
11523 | struct sched_attr scha; | |
11524 | uint32_t size; | |
11525 | int zeroed; | |
11526 | if (arg2 == 0) { | |
11527 | return -TARGET_EINVAL; | |
11528 | } | |
11529 | if (get_user_u32(size, arg2)) { | |
11530 | return -TARGET_EFAULT; | |
11531 | } | |
11532 | if (!size) { | |
11533 | size = offsetof(struct target_sched_attr, sched_util_min); | |
11534 | } | |
11535 | if (size < offsetof(struct target_sched_attr, sched_util_min)) { | |
11536 | if (put_user_u32(sizeof(struct target_sched_attr), arg2)) { | |
11537 | return -TARGET_EFAULT; | |
11538 | } | |
11539 | return -TARGET_E2BIG; | |
11540 | } | |
11541 | ||
11542 | zeroed = check_zeroed_user(arg2, sizeof(struct target_sched_attr), size); | |
11543 | if (zeroed < 0) { | |
11544 | return zeroed; | |
11545 | } else if (zeroed == 0) { | |
11546 | if (put_user_u32(sizeof(struct target_sched_attr), arg2)) { | |
11547 | return -TARGET_EFAULT; | |
11548 | } | |
11549 | return -TARGET_E2BIG; | |
11550 | } | |
11551 | if (size > sizeof(struct target_sched_attr)) { | |
11552 | size = sizeof(struct target_sched_attr); | |
11553 | } | |
11554 | ||
11555 | target_scha = lock_user(VERIFY_READ, arg2, size, 1); | |
11556 | if (!target_scha) { | |
11557 | return -TARGET_EFAULT; | |
11558 | } | |
11559 | scha.size = size; | |
11560 | scha.sched_policy = tswap32(target_scha->sched_policy); | |
11561 | scha.sched_flags = tswap64(target_scha->sched_flags); | |
11562 | scha.sched_nice = tswap32(target_scha->sched_nice); | |
11563 | scha.sched_priority = tswap32(target_scha->sched_priority); | |
11564 | scha.sched_runtime = tswap64(target_scha->sched_runtime); | |
11565 | scha.sched_deadline = tswap64(target_scha->sched_deadline); | |
11566 | scha.sched_period = tswap64(target_scha->sched_period); | |
11567 | if (size > offsetof(struct target_sched_attr, sched_util_min)) { | |
11568 | scha.sched_util_min = tswap32(target_scha->sched_util_min); | |
11569 | scha.sched_util_max = tswap32(target_scha->sched_util_max); | |
11570 | } | |
11571 | unlock_user(target_scha, arg2, 0); | |
11572 | return get_errno(sys_sched_setattr(arg1, &scha, arg3)); | |
11573 | } | |
31e31b8a | 11574 | case TARGET_NR_sched_yield: |
72eb7ea8 | 11575 | return get_errno(sched_yield()); |
31e31b8a | 11576 | case TARGET_NR_sched_get_priority_max: |
72eb7ea8 | 11577 | return get_errno(sched_get_priority_max(arg1)); |
31e31b8a | 11578 | case TARGET_NR_sched_get_priority_min: |
72eb7ea8 | 11579 | return get_errno(sched_get_priority_min(arg1)); |
859e8a89 | 11580 | #ifdef TARGET_NR_sched_rr_get_interval |
31e31b8a | 11581 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 11582 | { |
5cd4393b FB |
11583 | struct timespec ts; |
11584 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
11585 | if (!is_error(ret)) { | |
d4290c40 | 11586 | ret = host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
11587 | } |
11588 | } | |
72eb7ea8 | 11589 | return ret; |
859e8a89 | 11590 | #endif |
ddcbde15 FB |
11591 | #ifdef TARGET_NR_sched_rr_get_interval_time64 |
11592 | case TARGET_NR_sched_rr_get_interval_time64: | |
11593 | { | |
11594 | struct timespec ts; | |
11595 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
11596 | if (!is_error(ret)) { | |
11597 | ret = host_to_target_timespec64(arg2, &ts); | |
11598 | } | |
11599 | } | |
11600 | return ret; | |
11601 | #endif | |
859e8a89 | 11602 | #if defined(TARGET_NR_nanosleep) |
31e31b8a | 11603 | case TARGET_NR_nanosleep: |
1b6b029e | 11604 | { |
1b6b029e | 11605 | struct timespec req, rem; |
53a5960a | 11606 | target_to_host_timespec(&req, arg1); |
9e518226 | 11607 | ret = get_errno(safe_nanosleep(&req, &rem)); |
53a5960a PB |
11608 | if (is_error(ret) && arg2) { |
11609 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
11610 | } |
11611 | } | |
72eb7ea8 | 11612 | return ret; |
859e8a89 | 11613 | #endif |
31e31b8a | 11614 | case TARGET_NR_prctl: |
87e9bf23 | 11615 | return do_prctl(cpu_env, arg1, arg2, arg3, arg4, arg5); |
39b9aae1 | 11616 | break; |
d2fd1af7 FB |
11617 | #ifdef TARGET_NR_arch_prctl |
11618 | case TARGET_NR_arch_prctl: | |
72eb7ea8 | 11619 | return do_arch_prctl(cpu_env, arg1, arg2); |
d2fd1af7 | 11620 | #endif |
f2c7ba15 AJ |
11621 | #ifdef TARGET_NR_pread64 |
11622 | case TARGET_NR_pread64: | |
8bf8e9df | 11623 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
11624 | arg4 = arg5; |
11625 | arg5 = arg6; | |
11626 | } | |
2bd3f899 PM |
11627 | if (arg2 == 0 && arg3 == 0) { |
11628 | /* Special-case NULL buffer and zero length, which should succeed */ | |
11629 | p = 0; | |
11630 | } else { | |
11631 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
11632 | if (!p) { | |
11633 | return -TARGET_EFAULT; | |
11634 | } | |
11635 | } | |
f2c7ba15 AJ |
11636 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); |
11637 | unlock_user(p, arg2, ret); | |
72eb7ea8 | 11638 | return ret; |
f2c7ba15 | 11639 | case TARGET_NR_pwrite64: |
8bf8e9df | 11640 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
11641 | arg4 = arg5; |
11642 | arg5 = arg6; | |
11643 | } | |
2bd3f899 PM |
11644 | if (arg2 == 0 && arg3 == 0) { |
11645 | /* Special-case NULL buffer and zero length, which should succeed */ | |
11646 | p = 0; | |
11647 | } else { | |
11648 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
11649 | if (!p) { | |
11650 | return -TARGET_EFAULT; | |
11651 | } | |
11652 | } | |
f2c7ba15 AJ |
11653 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); |
11654 | unlock_user(p, arg2, 0); | |
72eb7ea8 | 11655 | return ret; |
67867308 | 11656 | #endif |
31e31b8a | 11657 | case TARGET_NR_getcwd: |
579a97f7 | 11658 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
2852aafd | 11659 | return -TARGET_EFAULT; |
53a5960a PB |
11660 | ret = get_errno(sys_getcwd1(p, arg2)); |
11661 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 11662 | return ret; |
31e31b8a FB |
11663 | case TARGET_NR_capget: |
11664 | case TARGET_NR_capset: | |
e0eb210e PM |
11665 | { |
11666 | struct target_user_cap_header *target_header; | |
11667 | struct target_user_cap_data *target_data = NULL; | |
11668 | struct __user_cap_header_struct header; | |
11669 | struct __user_cap_data_struct data[2]; | |
11670 | struct __user_cap_data_struct *dataptr = NULL; | |
11671 | int i, target_datalen; | |
11672 | int data_items = 1; | |
11673 | ||
11674 | if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { | |
2852aafd | 11675 | return -TARGET_EFAULT; |
e0eb210e PM |
11676 | } |
11677 | header.version = tswap32(target_header->version); | |
11678 | header.pid = tswap32(target_header->pid); | |
11679 | ||
ec864874 | 11680 | if (header.version != _LINUX_CAPABILITY_VERSION) { |
e0eb210e PM |
11681 | /* Version 2 and up takes pointer to two user_data structs */ |
11682 | data_items = 2; | |
11683 | } | |
11684 | ||
11685 | target_datalen = sizeof(*target_data) * data_items; | |
11686 | ||
11687 | if (arg2) { | |
11688 | if (num == TARGET_NR_capget) { | |
11689 | target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0); | |
11690 | } else { | |
11691 | target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1); | |
11692 | } | |
11693 | if (!target_data) { | |
11694 | unlock_user_struct(target_header, arg1, 0); | |
2852aafd | 11695 | return -TARGET_EFAULT; |
e0eb210e PM |
11696 | } |
11697 | ||
11698 | if (num == TARGET_NR_capset) { | |
11699 | for (i = 0; i < data_items; i++) { | |
11700 | data[i].effective = tswap32(target_data[i].effective); | |
11701 | data[i].permitted = tswap32(target_data[i].permitted); | |
11702 | data[i].inheritable = tswap32(target_data[i].inheritable); | |
11703 | } | |
11704 | } | |
11705 | ||
11706 | dataptr = data; | |
11707 | } | |
11708 | ||
11709 | if (num == TARGET_NR_capget) { | |
11710 | ret = get_errno(capget(&header, dataptr)); | |
11711 | } else { | |
11712 | ret = get_errno(capset(&header, dataptr)); | |
11713 | } | |
11714 | ||
11715 | /* The kernel always updates version for both capget and capset */ | |
11716 | target_header->version = tswap32(header.version); | |
11717 | unlock_user_struct(target_header, arg1, 1); | |
11718 | ||
11719 | if (arg2) { | |
11720 | if (num == TARGET_NR_capget) { | |
11721 | for (i = 0; i < data_items; i++) { | |
11722 | target_data[i].effective = tswap32(data[i].effective); | |
11723 | target_data[i].permitted = tswap32(data[i].permitted); | |
11724 | target_data[i].inheritable = tswap32(data[i].inheritable); | |
11725 | } | |
11726 | unlock_user(target_data, arg2, target_datalen); | |
11727 | } else { | |
11728 | unlock_user(target_data, arg2, 0); | |
11729 | } | |
11730 | } | |
72eb7ea8 | 11731 | return ret; |
e0eb210e | 11732 | } |
31e31b8a | 11733 | case TARGET_NR_sigaltstack: |
6b208755 | 11734 | return do_sigaltstack(arg1, arg2, cpu_env); |
a8fd1aba PM |
11735 | |
11736 | #ifdef CONFIG_SENDFILE | |
4f7f8924 | 11737 | #ifdef TARGET_NR_sendfile |
a8fd1aba PM |
11738 | case TARGET_NR_sendfile: |
11739 | { | |
11740 | off_t *offp = NULL; | |
11741 | off_t off; | |
11742 | if (arg3) { | |
11743 | ret = get_user_sal(off, arg3); | |
11744 | if (is_error(ret)) { | |
72eb7ea8 | 11745 | return ret; |
a8fd1aba PM |
11746 | } |
11747 | offp = &off; | |
11748 | } | |
11749 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
11750 | if (!is_error(ret) && arg3) { | |
11751 | abi_long ret2 = put_user_sal(off, arg3); | |
11752 | if (is_error(ret2)) { | |
11753 | ret = ret2; | |
11754 | } | |
11755 | } | |
72eb7ea8 | 11756 | return ret; |
a8fd1aba | 11757 | } |
4f7f8924 | 11758 | #endif |
a8fd1aba PM |
11759 | #ifdef TARGET_NR_sendfile64 |
11760 | case TARGET_NR_sendfile64: | |
11761 | { | |
11762 | off_t *offp = NULL; | |
11763 | off_t off; | |
11764 | if (arg3) { | |
11765 | ret = get_user_s64(off, arg3); | |
11766 | if (is_error(ret)) { | |
72eb7ea8 | 11767 | return ret; |
a8fd1aba PM |
11768 | } |
11769 | offp = &off; | |
11770 | } | |
11771 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
11772 | if (!is_error(ret) && arg3) { | |
11773 | abi_long ret2 = put_user_s64(off, arg3); | |
11774 | if (is_error(ret2)) { | |
11775 | ret = ret2; | |
11776 | } | |
11777 | } | |
72eb7ea8 | 11778 | return ret; |
a8fd1aba PM |
11779 | } |
11780 | #endif | |
ebc05488 | 11781 | #endif |
048f6b4d | 11782 | #ifdef TARGET_NR_vfork |
31e31b8a | 11783 | case TARGET_NR_vfork: |
72eb7ea8 RH |
11784 | return get_errno(do_fork(cpu_env, |
11785 | CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD, | |
11786 | 0, 0, 0, 0)); | |
048f6b4d | 11787 | #endif |
ebc05488 | 11788 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 11789 | case TARGET_NR_ugetrlimit: |
728584be FB |
11790 | { |
11791 | struct rlimit rlim; | |
e22b7015 WT |
11792 | int resource = target_to_host_resource(arg1); |
11793 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 11794 | if (!is_error(ret)) { |
53a5960a | 11795 | struct target_rlimit *target_rlim; |
579a97f7 | 11796 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 11797 | return -TARGET_EFAULT; |
81bbe906 TY |
11798 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
11799 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 11800 | unlock_user_struct(target_rlim, arg2, 1); |
728584be | 11801 | } |
72eb7ea8 | 11802 | return ret; |
728584be | 11803 | } |
ebc05488 | 11804 | #endif |
a315a145 | 11805 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 11806 | case TARGET_NR_truncate64: |
579a97f7 | 11807 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11808 | return -TARGET_EFAULT; |
53a5960a PB |
11809 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
11810 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11811 | return ret; |
a315a145 FB |
11812 | #endif |
11813 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 11814 | case TARGET_NR_ftruncate64: |
72eb7ea8 | 11815 | return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
a315a145 FB |
11816 | #endif |
11817 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 11818 | case TARGET_NR_stat64: |
2852aafd RH |
11819 | if (!(p = lock_user_string(arg1))) { |
11820 | return -TARGET_EFAULT; | |
11821 | } | |
53a5960a PB |
11822 | ret = get_errno(stat(path(p), &st)); |
11823 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
11824 | if (!is_error(ret)) |
11825 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 11826 | return ret; |
a315a145 FB |
11827 | #endif |
11828 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 11829 | case TARGET_NR_lstat64: |
2852aafd RH |
11830 | if (!(p = lock_user_string(arg1))) { |
11831 | return -TARGET_EFAULT; | |
11832 | } | |
53a5960a PB |
11833 | ret = get_errno(lstat(path(p), &st)); |
11834 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
11835 | if (!is_error(ret)) |
11836 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 11837 | return ret; |
a315a145 FB |
11838 | #endif |
11839 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 11840 | case TARGET_NR_fstat64: |
6a24a778 AZ |
11841 | ret = get_errno(fstat(arg1, &st)); |
11842 | if (!is_error(ret)) | |
11843 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 11844 | return ret; |
ce4defa0 | 11845 | #endif |
c0d472b1 | 11846 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) |
9d33b76b | 11847 | #ifdef TARGET_NR_fstatat64 |
6a24a778 | 11848 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
11849 | #endif |
11850 | #ifdef TARGET_NR_newfstatat | |
11851 | case TARGET_NR_newfstatat: | |
11852 | #endif | |
2852aafd RH |
11853 | if (!(p = lock_user_string(arg2))) { |
11854 | return -TARGET_EFAULT; | |
11855 | } | |
c0d472b1 | 11856 | ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
2852aafd | 11857 | unlock_user(p, arg2, 0); |
6a24a778 AZ |
11858 | if (!is_error(ret)) |
11859 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
72eb7ea8 | 11860 | return ret; |
a315a145 | 11861 | #endif |
efa92184 AR |
11862 | #if defined(TARGET_NR_statx) |
11863 | case TARGET_NR_statx: | |
11864 | { | |
11865 | struct target_statx *target_stx; | |
11866 | int dirfd = arg1; | |
11867 | int flags = arg3; | |
11868 | ||
11869 | p = lock_user_string(arg2); | |
11870 | if (p == NULL) { | |
11871 | return -TARGET_EFAULT; | |
11872 | } | |
11873 | #if defined(__NR_statx) | |
11874 | { | |
11875 | /* | |
11876 | * It is assumed that struct statx is architecture independent. | |
11877 | */ | |
11878 | struct target_statx host_stx; | |
11879 | int mask = arg4; | |
11880 | ||
11881 | ret = get_errno(sys_statx(dirfd, p, flags, mask, &host_stx)); | |
11882 | if (!is_error(ret)) { | |
11883 | if (host_to_target_statx(&host_stx, arg5) != 0) { | |
11884 | unlock_user(p, arg2, 0); | |
11885 | return -TARGET_EFAULT; | |
11886 | } | |
11887 | } | |
11888 | ||
11889 | if (ret != -TARGET_ENOSYS) { | |
11890 | unlock_user(p, arg2, 0); | |
11891 | return ret; | |
11892 | } | |
11893 | } | |
11894 | #endif | |
11895 | ret = get_errno(fstatat(dirfd, path(p), &st, flags)); | |
11896 | unlock_user(p, arg2, 0); | |
11897 | ||
11898 | if (!is_error(ret)) { | |
11899 | if (!lock_user_struct(VERIFY_WRITE, target_stx, arg5, 0)) { | |
11900 | return -TARGET_EFAULT; | |
11901 | } | |
11902 | memset(target_stx, 0, sizeof(*target_stx)); | |
11903 | __put_user(major(st.st_dev), &target_stx->stx_dev_major); | |
11904 | __put_user(minor(st.st_dev), &target_stx->stx_dev_minor); | |
11905 | __put_user(st.st_ino, &target_stx->stx_ino); | |
11906 | __put_user(st.st_mode, &target_stx->stx_mode); | |
11907 | __put_user(st.st_uid, &target_stx->stx_uid); | |
11908 | __put_user(st.st_gid, &target_stx->stx_gid); | |
11909 | __put_user(st.st_nlink, &target_stx->stx_nlink); | |
11910 | __put_user(major(st.st_rdev), &target_stx->stx_rdev_major); | |
11911 | __put_user(minor(st.st_rdev), &target_stx->stx_rdev_minor); | |
11912 | __put_user(st.st_size, &target_stx->stx_size); | |
11913 | __put_user(st.st_blksize, &target_stx->stx_blksize); | |
11914 | __put_user(st.st_blocks, &target_stx->stx_blocks); | |
11915 | __put_user(st.st_atime, &target_stx->stx_atime.tv_sec); | |
11916 | __put_user(st.st_mtime, &target_stx->stx_mtime.tv_sec); | |
11917 | __put_user(st.st_ctime, &target_stx->stx_ctime.tv_sec); | |
11918 | unlock_user_struct(target_stx, arg5, 1); | |
11919 | } | |
11920 | } | |
11921 | return ret; | |
11922 | #endif | |
704eff6c | 11923 | #ifdef TARGET_NR_lchown |
67867308 | 11924 | case TARGET_NR_lchown: |
579a97f7 | 11925 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11926 | return -TARGET_EFAULT; |
53a5960a PB |
11927 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
11928 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11929 | return ret; |
704eff6c | 11930 | #endif |
0c866a7e | 11931 | #ifdef TARGET_NR_getuid |
67867308 | 11932 | case TARGET_NR_getuid: |
72eb7ea8 | 11933 | return get_errno(high2lowuid(getuid())); |
0c866a7e RV |
11934 | #endif |
11935 | #ifdef TARGET_NR_getgid | |
67867308 | 11936 | case TARGET_NR_getgid: |
72eb7ea8 | 11937 | return get_errno(high2lowgid(getgid())); |
0c866a7e RV |
11938 | #endif |
11939 | #ifdef TARGET_NR_geteuid | |
67867308 | 11940 | case TARGET_NR_geteuid: |
72eb7ea8 | 11941 | return get_errno(high2lowuid(geteuid())); |
0c866a7e RV |
11942 | #endif |
11943 | #ifdef TARGET_NR_getegid | |
67867308 | 11944 | case TARGET_NR_getegid: |
72eb7ea8 | 11945 | return get_errno(high2lowgid(getegid())); |
0c866a7e | 11946 | #endif |
67867308 | 11947 | case TARGET_NR_setreuid: |
72eb7ea8 | 11948 | return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
67867308 | 11949 | case TARGET_NR_setregid: |
72eb7ea8 | 11950 | return get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
67867308 | 11951 | case TARGET_NR_getgroups: |
725160fe | 11952 | { /* the same code as for TARGET_NR_getgroups32 */ |
67867308 | 11953 | int gidsetsize = arg1; |
0c866a7e | 11954 | target_id *target_grouplist; |
1e35d327 | 11955 | g_autofree gid_t *grouplist = NULL; |
67867308 FB |
11956 | int i; |
11957 | ||
8fbf89a9 | 11958 | if (gidsetsize > NGROUPS_MAX || gidsetsize < 0) { |
1e35d327 MT |
11959 | return -TARGET_EINVAL; |
11960 | } | |
11961 | if (gidsetsize > 0) { | |
11962 | grouplist = g_try_new(gid_t, gidsetsize); | |
11963 | if (!grouplist) { | |
11964 | return -TARGET_ENOMEM; | |
11965 | } | |
11966 | } | |
67867308 | 11967 | ret = get_errno(getgroups(gidsetsize, grouplist)); |
1e35d327 MT |
11968 | if (!is_error(ret) && gidsetsize > 0) { |
11969 | target_grouplist = lock_user(VERIFY_WRITE, arg2, | |
11970 | gidsetsize * sizeof(target_id), 0); | |
11971 | if (!target_grouplist) { | |
2852aafd | 11972 | return -TARGET_EFAULT; |
1e35d327 MT |
11973 | } |
11974 | for (i = 0; i < ret; i++) { | |
0c866a7e | 11975 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
1e35d327 MT |
11976 | } |
11977 | unlock_user(target_grouplist, arg2, | |
11978 | gidsetsize * sizeof(target_id)); | |
67867308 | 11979 | } |
1e35d327 | 11980 | return ret; |
67867308 | 11981 | } |
67867308 | 11982 | case TARGET_NR_setgroups: |
725160fe | 11983 | { /* the same code as for TARGET_NR_setgroups32 */ |
67867308 | 11984 | int gidsetsize = arg1; |
0c866a7e | 11985 | target_id *target_grouplist; |
1e35d327 | 11986 | g_autofree gid_t *grouplist = NULL; |
67867308 | 11987 | int i; |
1e35d327 MT |
11988 | |
11989 | if (gidsetsize > NGROUPS_MAX || gidsetsize < 0) { | |
11990 | return -TARGET_EINVAL; | |
11991 | } | |
11992 | if (gidsetsize > 0) { | |
11993 | grouplist = g_try_new(gid_t, gidsetsize); | |
11994 | if (!grouplist) { | |
11995 | return -TARGET_ENOMEM; | |
11996 | } | |
11997 | target_grouplist = lock_user(VERIFY_READ, arg2, | |
11998 | gidsetsize * sizeof(target_id), 1); | |
f2b79ce9 | 11999 | if (!target_grouplist) { |
259841c1 | 12000 | return -TARGET_EFAULT; |
f2b79ce9 DA |
12001 | } |
12002 | for (i = 0; i < gidsetsize; i++) { | |
12003 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
12004 | } | |
1e35d327 MT |
12005 | unlock_user(target_grouplist, arg2, |
12006 | gidsetsize * sizeof(target_id)); | |
579a97f7 | 12007 | } |
72eb7ea8 | 12008 | return get_errno(setgroups(gidsetsize, grouplist)); |
67867308 | 12009 | } |
67867308 | 12010 | case TARGET_NR_fchown: |
72eb7ea8 | 12011 | return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
c0d472b1 | 12012 | #if defined(TARGET_NR_fchownat) |
ccfa72b7 | 12013 | case TARGET_NR_fchownat: |
579a97f7 | 12014 | if (!(p = lock_user_string(arg2))) |
2852aafd | 12015 | return -TARGET_EFAULT; |
c0d472b1 PM |
12016 | ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
12017 | low2highgid(arg4), arg5)); | |
579a97f7 | 12018 | unlock_user(p, arg2, 0); |
72eb7ea8 | 12019 | return ret; |
ccfa72b7 | 12020 | #endif |
67867308 FB |
12021 | #ifdef TARGET_NR_setresuid |
12022 | case TARGET_NR_setresuid: | |
72eb7ea8 RH |
12023 | return get_errno(sys_setresuid(low2highuid(arg1), |
12024 | low2highuid(arg2), | |
12025 | low2highuid(arg3))); | |
67867308 FB |
12026 | #endif |
12027 | #ifdef TARGET_NR_getresuid | |
12028 | case TARGET_NR_getresuid: | |
12029 | { | |
53a5960a | 12030 | uid_t ruid, euid, suid; |
67867308 FB |
12031 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
12032 | if (!is_error(ret)) { | |
76ca310a PM |
12033 | if (put_user_id(high2lowuid(ruid), arg1) |
12034 | || put_user_id(high2lowuid(euid), arg2) | |
12035 | || put_user_id(high2lowuid(suid), arg3)) | |
2852aafd | 12036 | return -TARGET_EFAULT; |
67867308 FB |
12037 | } |
12038 | } | |
72eb7ea8 | 12039 | return ret; |
67867308 FB |
12040 | #endif |
12041 | #ifdef TARGET_NR_getresgid | |
12042 | case TARGET_NR_setresgid: | |
72eb7ea8 RH |
12043 | return get_errno(sys_setresgid(low2highgid(arg1), |
12044 | low2highgid(arg2), | |
12045 | low2highgid(arg3))); | |
67867308 FB |
12046 | #endif |
12047 | #ifdef TARGET_NR_getresgid | |
12048 | case TARGET_NR_getresgid: | |
12049 | { | |
53a5960a | 12050 | gid_t rgid, egid, sgid; |
67867308 FB |
12051 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
12052 | if (!is_error(ret)) { | |
76ca310a PM |
12053 | if (put_user_id(high2lowgid(rgid), arg1) |
12054 | || put_user_id(high2lowgid(egid), arg2) | |
12055 | || put_user_id(high2lowgid(sgid), arg3)) | |
2852aafd | 12056 | return -TARGET_EFAULT; |
67867308 FB |
12057 | } |
12058 | } | |
72eb7ea8 | 12059 | return ret; |
67867308 | 12060 | #endif |
704eff6c | 12061 | #ifdef TARGET_NR_chown |
67867308 | 12062 | case TARGET_NR_chown: |
579a97f7 | 12063 | if (!(p = lock_user_string(arg1))) |
2852aafd | 12064 | return -TARGET_EFAULT; |
53a5960a PB |
12065 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
12066 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 12067 | return ret; |
704eff6c | 12068 | #endif |
67867308 | 12069 | case TARGET_NR_setuid: |
72eb7ea8 | 12070 | return get_errno(sys_setuid(low2highuid(arg1))); |
67867308 | 12071 | case TARGET_NR_setgid: |
72eb7ea8 | 12072 | return get_errno(sys_setgid(low2highgid(arg1))); |
67867308 | 12073 | case TARGET_NR_setfsuid: |
72eb7ea8 | 12074 | return get_errno(setfsuid(arg1)); |
67867308 | 12075 | case TARGET_NR_setfsgid: |
72eb7ea8 | 12076 | return get_errno(setfsgid(arg1)); |
67867308 | 12077 | |
a315a145 | 12078 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 12079 | case TARGET_NR_lchown32: |
579a97f7 | 12080 | if (!(p = lock_user_string(arg1))) |
2852aafd | 12081 | return -TARGET_EFAULT; |
53a5960a PB |
12082 | ret = get_errno(lchown(p, arg2, arg3)); |
12083 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 12084 | return ret; |
a315a145 FB |
12085 | #endif |
12086 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 12087 | case TARGET_NR_getuid32: |
72eb7ea8 | 12088 | return get_errno(getuid()); |
a315a145 | 12089 | #endif |
64b4d28c AJ |
12090 | |
12091 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
12092 | /* Alpha specific */ | |
12093 | case TARGET_NR_getxuid: | |
ba0e276d RH |
12094 | { |
12095 | uid_t euid; | |
12096 | euid=geteuid(); | |
0effdc29 | 12097 | cpu_env->ir[IR_A4]=euid; |
ba0e276d | 12098 | } |
72eb7ea8 | 12099 | return get_errno(getuid()); |
64b4d28c AJ |
12100 | #endif |
12101 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
12102 | /* Alpha specific */ | |
12103 | case TARGET_NR_getxgid: | |
ba0e276d RH |
12104 | { |
12105 | uid_t egid; | |
12106 | egid=getegid(); | |
0effdc29 | 12107 | cpu_env->ir[IR_A4]=egid; |
ba0e276d | 12108 | } |
72eb7ea8 | 12109 | return get_errno(getgid()); |
64b4d28c | 12110 | #endif |
ba0e276d RH |
12111 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
12112 | /* Alpha specific */ | |
12113 | case TARGET_NR_osf_getsysinfo: | |
12114 | ret = -TARGET_EOPNOTSUPP; | |
12115 | switch (arg1) { | |
12116 | case TARGET_GSI_IEEE_FP_CONTROL: | |
12117 | { | |
21ba8564 | 12118 | uint64_t fpcr = cpu_alpha_load_fpcr(cpu_env); |
0effdc29 | 12119 | uint64_t swcr = cpu_env->swcr; |
21ba8564 RH |
12120 | |
12121 | swcr &= ~SWCR_STATUS_MASK; | |
12122 | swcr |= (fpcr >> 35) & SWCR_STATUS_MASK; | |
ba0e276d RH |
12123 | |
12124 | if (put_user_u64 (swcr, arg2)) | |
2852aafd | 12125 | return -TARGET_EFAULT; |
ba0e276d RH |
12126 | ret = 0; |
12127 | } | |
12128 | break; | |
12129 | ||
12130 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
12131 | -- Not implemented in linux kernel. | |
12132 | case GSI_UACPROC: | |
12133 | -- Retrieves current unaligned access state; not much used. | |
12134 | case GSI_PROC_TYPE: | |
12135 | -- Retrieves implver information; surely not used. | |
12136 | case GSI_GET_HWRPB: | |
12137 | -- Grabs a copy of the HWRPB; surely not used. | |
12138 | */ | |
12139 | } | |
72eb7ea8 | 12140 | return ret; |
ba0e276d RH |
12141 | #endif |
12142 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
12143 | /* Alpha specific */ | |
12144 | case TARGET_NR_osf_setsysinfo: | |
12145 | ret = -TARGET_EOPNOTSUPP; | |
12146 | switch (arg1) { | |
12147 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d | 12148 | { |
21ba8564 | 12149 | uint64_t swcr, fpcr; |
ba0e276d | 12150 | |
6e06d515 | 12151 | if (get_user_u64 (swcr, arg2)) { |
2852aafd | 12152 | return -TARGET_EFAULT; |
6e06d515 | 12153 | } |
ba0e276d | 12154 | |
21ba8564 RH |
12155 | /* |
12156 | * The kernel calls swcr_update_status to update the | |
12157 | * status bits from the fpcr at every point that it | |
12158 | * could be queried. Therefore, we store the status | |
12159 | * bits only in FPCR. | |
12160 | */ | |
0effdc29 | 12161 | cpu_env->swcr = swcr & (SWCR_TRAP_ENABLE_MASK | SWCR_MAP_MASK); |
21ba8564 RH |
12162 | |
12163 | fpcr = cpu_alpha_load_fpcr(cpu_env); | |
12164 | fpcr &= ((uint64_t)FPCR_DYN_MASK << 32); | |
12165 | fpcr |= alpha_ieee_swcr_to_fpcr(swcr); | |
6e06d515 | 12166 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 12167 | ret = 0; |
6e06d515 RH |
12168 | } |
12169 | break; | |
12170 | ||
12171 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
12172 | { | |
21ba8564 | 12173 | uint64_t exc, fpcr, fex; |
6e06d515 RH |
12174 | |
12175 | if (get_user_u64(exc, arg2)) { | |
2852aafd | 12176 | return -TARGET_EFAULT; |
6e06d515 | 12177 | } |
21ba8564 RH |
12178 | exc &= SWCR_STATUS_MASK; |
12179 | fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d | 12180 | |
21ba8564 RH |
12181 | /* Old exceptions are not signaled. */ |
12182 | fex = alpha_ieee_fpcr_to_swcr(fpcr); | |
12183 | fex = exc & ~fex; | |
12184 | fex >>= SWCR_STATUS_TO_EXCSUM_SHIFT; | |
0effdc29 | 12185 | fex &= (cpu_env)->swcr; |
6e06d515 | 12186 | |
21ba8564 RH |
12187 | /* Update the hardware fpcr. */ |
12188 | fpcr |= alpha_ieee_swcr_to_fpcr(exc); | |
6e06d515 | 12189 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
6e06d515 | 12190 | |
21ba8564 RH |
12191 | if (fex) { |
12192 | int si_code = TARGET_FPE_FLTUNK; | |
6e06d515 | 12193 | target_siginfo_t info; |
21ba8564 RH |
12194 | |
12195 | if (fex & SWCR_TRAP_ENABLE_DNO) { | |
12196 | si_code = TARGET_FPE_FLTUND; | |
12197 | } | |
12198 | if (fex & SWCR_TRAP_ENABLE_INE) { | |
12199 | si_code = TARGET_FPE_FLTRES; | |
12200 | } | |
12201 | if (fex & SWCR_TRAP_ENABLE_UNF) { | |
12202 | si_code = TARGET_FPE_FLTUND; | |
12203 | } | |
12204 | if (fex & SWCR_TRAP_ENABLE_OVF) { | |
12205 | si_code = TARGET_FPE_FLTOVF; | |
12206 | } | |
12207 | if (fex & SWCR_TRAP_ENABLE_DZE) { | |
12208 | si_code = TARGET_FPE_FLTDIV; | |
12209 | } | |
12210 | if (fex & SWCR_TRAP_ENABLE_INV) { | |
12211 | si_code = TARGET_FPE_FLTINV; | |
12212 | } | |
12213 | ||
6e06d515 RH |
12214 | info.si_signo = SIGFPE; |
12215 | info.si_errno = 0; | |
12216 | info.si_code = si_code; | |
0effdc29 PMD |
12217 | info._sifields._sigfault._addr = (cpu_env)->pc; |
12218 | queue_signal(cpu_env, info.si_signo, | |
9d2803f7 | 12219 | QEMU_SI_FAULT, &info); |
ba0e276d | 12220 | } |
21ba8564 | 12221 | ret = 0; |
ba0e276d RH |
12222 | } |
12223 | break; | |
12224 | ||
12225 | /* case SSI_NVPAIRS: | |
12226 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
12227 | case SSI_IEEE_STATE_AT_SIGNAL: | |
12228 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
12229 | -- Not implemented in linux kernel | |
12230 | */ | |
12231 | } | |
72eb7ea8 | 12232 | return ret; |
ba0e276d RH |
12233 | #endif |
12234 | #ifdef TARGET_NR_osf_sigprocmask | |
12235 | /* Alpha specific. */ | |
12236 | case TARGET_NR_osf_sigprocmask: | |
12237 | { | |
12238 | abi_ulong mask; | |
bc088ba1 | 12239 | int how; |
ba0e276d RH |
12240 | sigset_t set, oldset; |
12241 | ||
12242 | switch(arg1) { | |
12243 | case TARGET_SIG_BLOCK: | |
12244 | how = SIG_BLOCK; | |
12245 | break; | |
12246 | case TARGET_SIG_UNBLOCK: | |
12247 | how = SIG_UNBLOCK; | |
12248 | break; | |
12249 | case TARGET_SIG_SETMASK: | |
12250 | how = SIG_SETMASK; | |
12251 | break; | |
12252 | default: | |
259841c1 | 12253 | return -TARGET_EINVAL; |
ba0e276d RH |
12254 | } |
12255 | mask = arg2; | |
12256 | target_to_host_old_sigset(&set, &mask); | |
3d3efba0 PM |
12257 | ret = do_sigprocmask(how, &set, &oldset); |
12258 | if (!ret) { | |
12259 | host_to_target_old_sigset(&mask, &oldset); | |
12260 | ret = mask; | |
12261 | } | |
ba0e276d | 12262 | } |
72eb7ea8 | 12263 | return ret; |
ba0e276d | 12264 | #endif |
64b4d28c | 12265 | |
a315a145 | 12266 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 12267 | case TARGET_NR_getgid32: |
72eb7ea8 | 12268 | return get_errno(getgid()); |
a315a145 FB |
12269 | #endif |
12270 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 12271 | case TARGET_NR_geteuid32: |
72eb7ea8 | 12272 | return get_errno(geteuid()); |
a315a145 FB |
12273 | #endif |
12274 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 12275 | case TARGET_NR_getegid32: |
72eb7ea8 | 12276 | return get_errno(getegid()); |
a315a145 FB |
12277 | #endif |
12278 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 12279 | case TARGET_NR_setreuid32: |
72eb7ea8 | 12280 | return get_errno(setreuid(arg1, arg2)); |
a315a145 FB |
12281 | #endif |
12282 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 12283 | case TARGET_NR_setregid32: |
72eb7ea8 | 12284 | return get_errno(setregid(arg1, arg2)); |
a315a145 FB |
12285 | #endif |
12286 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 12287 | case TARGET_NR_getgroups32: |
725160fe | 12288 | { /* the same code as for TARGET_NR_getgroups */ |
99c475ab | 12289 | int gidsetsize = arg1; |
53a5960a | 12290 | uint32_t *target_grouplist; |
1e35d327 | 12291 | g_autofree gid_t *grouplist = NULL; |
99c475ab FB |
12292 | int i; |
12293 | ||
8fbf89a9 | 12294 | if (gidsetsize > NGROUPS_MAX || gidsetsize < 0) { |
1e35d327 MT |
12295 | return -TARGET_EINVAL; |
12296 | } | |
12297 | if (gidsetsize > 0) { | |
12298 | grouplist = g_try_new(gid_t, gidsetsize); | |
12299 | if (!grouplist) { | |
12300 | return -TARGET_ENOMEM; | |
12301 | } | |
12302 | } | |
99c475ab | 12303 | ret = get_errno(getgroups(gidsetsize, grouplist)); |
1e35d327 MT |
12304 | if (!is_error(ret) && gidsetsize > 0) { |
12305 | target_grouplist = lock_user(VERIFY_WRITE, arg2, | |
12306 | gidsetsize * 4, 0); | |
579a97f7 | 12307 | if (!target_grouplist) { |
259841c1 | 12308 | return -TARGET_EFAULT; |
579a97f7 | 12309 | } |
1e35d327 | 12310 | for (i = 0; i < ret; i++) { |
53a5960a | 12311 | target_grouplist[i] = tswap32(grouplist[i]); |
1e35d327 | 12312 | } |
53a5960a | 12313 | unlock_user(target_grouplist, arg2, gidsetsize * 4); |
99c475ab | 12314 | } |
1e35d327 | 12315 | return ret; |
99c475ab | 12316 | } |
a315a145 FB |
12317 | #endif |
12318 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 12319 | case TARGET_NR_setgroups32: |
725160fe | 12320 | { /* the same code as for TARGET_NR_setgroups */ |
99c475ab | 12321 | int gidsetsize = arg1; |
53a5960a | 12322 | uint32_t *target_grouplist; |
1e35d327 | 12323 | g_autofree gid_t *grouplist = NULL; |
99c475ab | 12324 | int i; |
3b46e624 | 12325 | |
1e35d327 MT |
12326 | if (gidsetsize > NGROUPS_MAX || gidsetsize < 0) { |
12327 | return -TARGET_EINVAL; | |
12328 | } | |
12329 | if (gidsetsize > 0) { | |
12330 | grouplist = g_try_new(gid_t, gidsetsize); | |
12331 | if (!grouplist) { | |
12332 | return -TARGET_ENOMEM; | |
12333 | } | |
12334 | target_grouplist = lock_user(VERIFY_READ, arg2, | |
12335 | gidsetsize * 4, 1); | |
12336 | if (!target_grouplist) { | |
12337 | return -TARGET_EFAULT; | |
12338 | } | |
12339 | for (i = 0; i < gidsetsize; i++) { | |
12340 | grouplist[i] = tswap32(target_grouplist[i]); | |
12341 | } | |
12342 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 12343 | } |
72eb7ea8 | 12344 | return get_errno(setgroups(gidsetsize, grouplist)); |
99c475ab | 12345 | } |
a315a145 FB |
12346 | #endif |
12347 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 12348 | case TARGET_NR_fchown32: |
72eb7ea8 | 12349 | return get_errno(fchown(arg1, arg2, arg3)); |
a315a145 FB |
12350 | #endif |
12351 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 12352 | case TARGET_NR_setresuid32: |
72eb7ea8 | 12353 | return get_errno(sys_setresuid(arg1, arg2, arg3)); |
a315a145 FB |
12354 | #endif |
12355 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 12356 | case TARGET_NR_getresuid32: |
b03c60f3 | 12357 | { |
53a5960a | 12358 | uid_t ruid, euid, suid; |
b03c60f3 FB |
12359 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
12360 | if (!is_error(ret)) { | |
2f619698 FB |
12361 | if (put_user_u32(ruid, arg1) |
12362 | || put_user_u32(euid, arg2) | |
12363 | || put_user_u32(suid, arg3)) | |
2852aafd | 12364 | return -TARGET_EFAULT; |
b03c60f3 FB |
12365 | } |
12366 | } | |
72eb7ea8 | 12367 | return ret; |
a315a145 FB |
12368 | #endif |
12369 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 12370 | case TARGET_NR_setresgid32: |
72eb7ea8 | 12371 | return get_errno(sys_setresgid(arg1, arg2, arg3)); |
a315a145 FB |
12372 | #endif |
12373 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 12374 | case TARGET_NR_getresgid32: |
b03c60f3 | 12375 | { |
53a5960a | 12376 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
12377 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
12378 | if (!is_error(ret)) { | |
2f619698 FB |
12379 | if (put_user_u32(rgid, arg1) |
12380 | || put_user_u32(egid, arg2) | |
12381 | || put_user_u32(sgid, arg3)) | |
2852aafd | 12382 | return -TARGET_EFAULT; |
b03c60f3 FB |
12383 | } |
12384 | } | |
72eb7ea8 | 12385 | return ret; |
a315a145 FB |
12386 | #endif |
12387 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 12388 | case TARGET_NR_chown32: |
579a97f7 | 12389 | if (!(p = lock_user_string(arg1))) |
2852aafd | 12390 | return -TARGET_EFAULT; |
53a5960a PB |
12391 | ret = get_errno(chown(p, arg2, arg3)); |
12392 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 12393 | return ret; |
a315a145 FB |
12394 | #endif |
12395 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 12396 | case TARGET_NR_setuid32: |
72eb7ea8 | 12397 | return get_errno(sys_setuid(arg1)); |
a315a145 FB |
12398 | #endif |
12399 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 12400 | case TARGET_NR_setgid32: |
72eb7ea8 | 12401 | return get_errno(sys_setgid(arg1)); |
a315a145 FB |
12402 | #endif |
12403 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 12404 | case TARGET_NR_setfsuid32: |
72eb7ea8 | 12405 | return get_errno(setfsuid(arg1)); |
a315a145 FB |
12406 | #endif |
12407 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 12408 | case TARGET_NR_setfsgid32: |
72eb7ea8 | 12409 | return get_errno(setfsgid(arg1)); |
a315a145 | 12410 | #endif |
ffa65c3b | 12411 | #ifdef TARGET_NR_mincore |
31e31b8a | 12412 | case TARGET_NR_mincore: |
04bb9ace | 12413 | { |
f443a26c | 12414 | void *a = lock_user(VERIFY_NONE, arg1, arg2, 0); |
98a3331a | 12415 | if (!a) { |
259841c1 | 12416 | return -TARGET_ENOMEM; |
98a3331a | 12417 | } |
98a3331a FSM |
12418 | p = lock_user_string(arg3); |
12419 | if (!p) { | |
259841c1 RH |
12420 | ret = -TARGET_EFAULT; |
12421 | } else { | |
12422 | ret = get_errno(mincore(a, arg2, p)); | |
12423 | unlock_user(p, arg3, ret); | |
98a3331a | 12424 | } |
04bb9ace AJ |
12425 | unlock_user(a, arg1, 0); |
12426 | } | |
72eb7ea8 | 12427 | return ret; |
ffa65c3b | 12428 | #endif |
408321b6 AJ |
12429 | #ifdef TARGET_NR_arm_fadvise64_64 |
12430 | case TARGET_NR_arm_fadvise64_64: | |
e0156a9d PM |
12431 | /* arm_fadvise64_64 looks like fadvise64_64 but |
12432 | * with different argument order: fd, advice, offset, len | |
12433 | * rather than the usual fd, offset, len, advice. | |
12434 | * Note that offset and len are both 64-bit so appear as | |
12435 | * pairs of 32-bit registers. | |
12436 | */ | |
12437 | ret = posix_fadvise(arg1, target_offset64(arg3, arg4), | |
12438 | target_offset64(arg5, arg6), arg2); | |
72eb7ea8 | 12439 | return -host_to_target_errno(ret); |
408321b6 | 12440 | #endif |
badd3cd8 | 12441 | |
eeed2291 | 12442 | #if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32) |
badd3cd8 PM |
12443 | |
12444 | #ifdef TARGET_NR_fadvise64_64 | |
12445 | case TARGET_NR_fadvise64_64: | |
64a563dd | 12446 | #if defined(TARGET_PPC) || defined(TARGET_XTENSA) |
43046b5a LV |
12447 | /* 6 args: fd, advice, offset (high, low), len (high, low) */ |
12448 | ret = arg2; | |
12449 | arg2 = arg3; | |
12450 | arg3 = arg4; | |
12451 | arg4 = arg5; | |
12452 | arg5 = arg6; | |
12453 | arg6 = ret; | |
12454 | #else | |
badd3cd8 | 12455 | /* 6 args: fd, offset (high, low), len (high, low), advice */ |
8bf8e9df | 12456 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
12457 | /* offset is in (3,4), len in (5,6) and advice in 7 */ |
12458 | arg2 = arg3; | |
12459 | arg3 = arg4; | |
12460 | arg4 = arg5; | |
12461 | arg5 = arg6; | |
12462 | arg6 = arg7; | |
12463 | } | |
43046b5a | 12464 | #endif |
72eb7ea8 RH |
12465 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), |
12466 | target_offset64(arg4, arg5), arg6); | |
12467 | return -host_to_target_errno(ret); | |
badd3cd8 PM |
12468 | #endif |
12469 | ||
12470 | #ifdef TARGET_NR_fadvise64 | |
12471 | case TARGET_NR_fadvise64: | |
12472 | /* 5 args: fd, offset (high, low), len, advice */ | |
8bf8e9df | 12473 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
12474 | /* offset is in (3,4), len in 5 and advice in 6 */ |
12475 | arg2 = arg3; | |
12476 | arg3 = arg4; | |
12477 | arg4 = arg5; | |
12478 | arg5 = arg6; | |
12479 | } | |
72eb7ea8 RH |
12480 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5); |
12481 | return -host_to_target_errno(ret); | |
408321b6 | 12482 | #endif |
badd3cd8 PM |
12483 | |
12484 | #else /* not a 32-bit ABI */ | |
e0156a9d | 12485 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
12486 | #ifdef TARGET_NR_fadvise64_64 |
12487 | case TARGET_NR_fadvise64_64: | |
12488 | #endif | |
e72d2cc7 UH |
12489 | #ifdef TARGET_NR_fadvise64 |
12490 | case TARGET_NR_fadvise64: | |
12491 | #endif | |
12492 | #ifdef TARGET_S390X | |
12493 | switch (arg4) { | |
12494 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
12495 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
12496 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
12497 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
12498 | default: break; | |
12499 | } | |
12500 | #endif | |
72eb7ea8 | 12501 | return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); |
408321b6 | 12502 | #endif |
badd3cd8 PM |
12503 | #endif /* end of 64-bit ABI fadvise handling */ |
12504 | ||
ffa65c3b | 12505 | #ifdef TARGET_NR_madvise |
31e31b8a | 12506 | case TARGET_NR_madvise: |
892a4f6a | 12507 | return target_madvise(arg1, arg2, arg3); |
ffa65c3b | 12508 | #endif |
bbf5f2a1 | 12509 | #ifdef TARGET_NR_fcntl64 |
31e31b8a | 12510 | case TARGET_NR_fcntl64: |
77e4672d | 12511 | { |
bbf5f2a1 AB |
12512 | int cmd; |
12513 | struct flock64 fl; | |
213d3e9e PM |
12514 | from_flock64_fn *copyfrom = copy_from_user_flock64; |
12515 | to_flock64_fn *copyto = copy_to_user_flock64; | |
12516 | ||
ce4defa0 | 12517 | #ifdef TARGET_ARM |
0effdc29 | 12518 | if (!cpu_env->eabi) { |
7f254c5c LV |
12519 | copyfrom = copy_from_user_oabi_flock64; |
12520 | copyto = copy_to_user_oabi_flock64; | |
213d3e9e | 12521 | } |
ce4defa0 | 12522 | #endif |
77e4672d | 12523 | |
bbf5f2a1 | 12524 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 | 12525 | if (cmd == -TARGET_EINVAL) { |
72eb7ea8 | 12526 | return cmd; |
31b63193 | 12527 | } |
b1e341eb | 12528 | |
60cd49d5 | 12529 | switch(arg2) { |
b1e341eb | 12530 | case TARGET_F_GETLK64: |
213d3e9e PM |
12531 | ret = copyfrom(&fl, arg3); |
12532 | if (ret) { | |
12533 | break; | |
5813427b | 12534 | } |
af8ab2bf | 12535 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
213d3e9e PM |
12536 | if (ret == 0) { |
12537 | ret = copyto(arg3, &fl); | |
12538 | } | |
77e4672d FB |
12539 | break; |
12540 | ||
b1e341eb TS |
12541 | case TARGET_F_SETLK64: |
12542 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
12543 | ret = copyfrom(&fl, arg3); |
12544 | if (ret) { | |
12545 | break; | |
ce4defa0 | 12546 | } |
435da5e7 | 12547 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
77e4672d | 12548 | break; |
60cd49d5 | 12549 | default: |
5f106811 | 12550 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
12551 | break; |
12552 | } | |
72eb7ea8 | 12553 | return ret; |
77e4672d | 12554 | } |
60cd49d5 | 12555 | #endif |
7d600c80 TS |
12556 | #ifdef TARGET_NR_cacheflush |
12557 | case TARGET_NR_cacheflush: | |
12558 | /* self-modifying code is handled automatically, so nothing needed */ | |
72eb7ea8 | 12559 | return 0; |
7d600c80 | 12560 | #endif |
c573ff67 FB |
12561 | #ifdef TARGET_NR_getpagesize |
12562 | case TARGET_NR_getpagesize: | |
72eb7ea8 | 12563 | return TARGET_PAGE_SIZE; |
ebc05488 | 12564 | #endif |
31e31b8a | 12565 | case TARGET_NR_gettid: |
71ba74f6 | 12566 | return get_errno(sys_gettid()); |
e5febef5 | 12567 | #ifdef TARGET_NR_readahead |
31e31b8a | 12568 | case TARGET_NR_readahead: |
eeed2291 | 12569 | #if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32) |
8bf8e9df | 12570 | if (regpairs_aligned(cpu_env, num)) { |
2054ac9b AJ |
12571 | arg2 = arg3; |
12572 | arg3 = arg4; | |
12573 | arg4 = arg5; | |
12574 | } | |
77c6850f | 12575 | ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4)); |
2054ac9b AJ |
12576 | #else |
12577 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
12578 | #endif | |
72eb7ea8 | 12579 | return ret; |
e5febef5 | 12580 | #endif |
a790ae38 | 12581 | #ifdef CONFIG_ATTR |
ebc05488 | 12582 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
12583 | case TARGET_NR_listxattr: |
12584 | case TARGET_NR_llistxattr: | |
fb5590f7 PM |
12585 | { |
12586 | void *p, *b = 0; | |
12587 | if (arg2) { | |
12588 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
12589 | if (!b) { | |
72eb7ea8 | 12590 | return -TARGET_EFAULT; |
fb5590f7 PM |
12591 | } |
12592 | } | |
12593 | p = lock_user_string(arg1); | |
12594 | if (p) { | |
12595 | if (num == TARGET_NR_listxattr) { | |
12596 | ret = get_errno(listxattr(p, b, arg3)); | |
12597 | } else { | |
12598 | ret = get_errno(llistxattr(p, b, arg3)); | |
12599 | } | |
12600 | } else { | |
12601 | ret = -TARGET_EFAULT; | |
12602 | } | |
12603 | unlock_user(p, arg1, 0); | |
12604 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 12605 | return ret; |
fb5590f7 | 12606 | } |
31e31b8a | 12607 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
12608 | { |
12609 | void *b = 0; | |
12610 | if (arg2) { | |
12611 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
12612 | if (!b) { | |
72eb7ea8 | 12613 | return -TARGET_EFAULT; |
fb5590f7 PM |
12614 | } |
12615 | } | |
12616 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
12617 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 12618 | return ret; |
fb5590f7 | 12619 | } |
a790ae38 | 12620 | case TARGET_NR_setxattr: |
30297b55 | 12621 | case TARGET_NR_lsetxattr: |
a790ae38 | 12622 | { |
e3c33ec6 PM |
12623 | void *p, *n, *v = 0; |
12624 | if (arg3) { | |
12625 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
12626 | if (!v) { | |
72eb7ea8 | 12627 | return -TARGET_EFAULT; |
e3c33ec6 PM |
12628 | } |
12629 | } | |
a790ae38 ACH |
12630 | p = lock_user_string(arg1); |
12631 | n = lock_user_string(arg2); | |
e3c33ec6 | 12632 | if (p && n) { |
30297b55 PM |
12633 | if (num == TARGET_NR_setxattr) { |
12634 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
12635 | } else { | |
12636 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
12637 | } | |
a790ae38 ACH |
12638 | } else { |
12639 | ret = -TARGET_EFAULT; | |
12640 | } | |
12641 | unlock_user(p, arg1, 0); | |
12642 | unlock_user(n, arg2, 0); | |
12643 | unlock_user(v, arg3, 0); | |
12644 | } | |
72eb7ea8 | 12645 | return ret; |
30297b55 PM |
12646 | case TARGET_NR_fsetxattr: |
12647 | { | |
12648 | void *n, *v = 0; | |
12649 | if (arg3) { | |
12650 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
12651 | if (!v) { | |
72eb7ea8 | 12652 | return -TARGET_EFAULT; |
30297b55 PM |
12653 | } |
12654 | } | |
12655 | n = lock_user_string(arg2); | |
12656 | if (n) { | |
12657 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
12658 | } else { | |
12659 | ret = -TARGET_EFAULT; | |
12660 | } | |
12661 | unlock_user(n, arg2, 0); | |
12662 | unlock_user(v, arg3, 0); | |
12663 | } | |
72eb7ea8 | 12664 | return ret; |
a790ae38 | 12665 | case TARGET_NR_getxattr: |
30297b55 | 12666 | case TARGET_NR_lgetxattr: |
a790ae38 | 12667 | { |
e3c33ec6 PM |
12668 | void *p, *n, *v = 0; |
12669 | if (arg3) { | |
12670 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
12671 | if (!v) { | |
72eb7ea8 | 12672 | return -TARGET_EFAULT; |
e3c33ec6 PM |
12673 | } |
12674 | } | |
a790ae38 ACH |
12675 | p = lock_user_string(arg1); |
12676 | n = lock_user_string(arg2); | |
e3c33ec6 | 12677 | if (p && n) { |
30297b55 PM |
12678 | if (num == TARGET_NR_getxattr) { |
12679 | ret = get_errno(getxattr(p, n, v, arg4)); | |
12680 | } else { | |
12681 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
12682 | } | |
a790ae38 ACH |
12683 | } else { |
12684 | ret = -TARGET_EFAULT; | |
12685 | } | |
12686 | unlock_user(p, arg1, 0); | |
12687 | unlock_user(n, arg2, 0); | |
12688 | unlock_user(v, arg3, arg4); | |
12689 | } | |
72eb7ea8 | 12690 | return ret; |
30297b55 PM |
12691 | case TARGET_NR_fgetxattr: |
12692 | { | |
12693 | void *n, *v = 0; | |
12694 | if (arg3) { | |
12695 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
12696 | if (!v) { | |
72eb7ea8 | 12697 | return -TARGET_EFAULT; |
30297b55 PM |
12698 | } |
12699 | } | |
12700 | n = lock_user_string(arg2); | |
12701 | if (n) { | |
12702 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
12703 | } else { | |
12704 | ret = -TARGET_EFAULT; | |
12705 | } | |
12706 | unlock_user(n, arg2, 0); | |
12707 | unlock_user(v, arg3, arg4); | |
12708 | } | |
72eb7ea8 | 12709 | return ret; |
a790ae38 | 12710 | case TARGET_NR_removexattr: |
30297b55 | 12711 | case TARGET_NR_lremovexattr: |
a790ae38 ACH |
12712 | { |
12713 | void *p, *n; | |
12714 | p = lock_user_string(arg1); | |
12715 | n = lock_user_string(arg2); | |
12716 | if (p && n) { | |
30297b55 PM |
12717 | if (num == TARGET_NR_removexattr) { |
12718 | ret = get_errno(removexattr(p, n)); | |
12719 | } else { | |
12720 | ret = get_errno(lremovexattr(p, n)); | |
12721 | } | |
a790ae38 ACH |
12722 | } else { |
12723 | ret = -TARGET_EFAULT; | |
12724 | } | |
12725 | unlock_user(p, arg1, 0); | |
12726 | unlock_user(n, arg2, 0); | |
12727 | } | |
72eb7ea8 | 12728 | return ret; |
30297b55 PM |
12729 | case TARGET_NR_fremovexattr: |
12730 | { | |
12731 | void *n; | |
12732 | n = lock_user_string(arg2); | |
12733 | if (n) { | |
12734 | ret = get_errno(fremovexattr(arg1, n)); | |
12735 | } else { | |
12736 | ret = -TARGET_EFAULT; | |
12737 | } | |
12738 | unlock_user(n, arg2, 0); | |
12739 | } | |
72eb7ea8 | 12740 | return ret; |
ebc05488 | 12741 | #endif |
a790ae38 | 12742 | #endif /* CONFIG_ATTR */ |
ebc05488 | 12743 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 12744 | case TARGET_NR_set_thread_area: |
8d18e893 | 12745 | #if defined(TARGET_MIPS) |
0effdc29 | 12746 | cpu_env->active_tc.CP0_UserLocal = arg1; |
72eb7ea8 | 12747 | return 0; |
ef96779b EI |
12748 | #elif defined(TARGET_CRIS) |
12749 | if (arg1 & 0xff) | |
12750 | ret = -TARGET_EINVAL; | |
12751 | else { | |
0effdc29 | 12752 | cpu_env->pregs[PR_PID] = arg1; |
ef96779b EI |
12753 | ret = 0; |
12754 | } | |
72eb7ea8 | 12755 | return ret; |
8d18e893 | 12756 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 12757 | return do_set_thread_area(cpu_env, arg1); |
1ccd9374 PM |
12758 | #elif defined(TARGET_M68K) |
12759 | { | |
0429a971 | 12760 | TaskState *ts = cpu->opaque; |
1ccd9374 | 12761 | ts->tp_value = arg1; |
72eb7ea8 | 12762 | return 0; |
1ccd9374 | 12763 | } |
6f5b89a0 | 12764 | #else |
10f45d98 | 12765 | return -TARGET_ENOSYS; |
6f5b89a0 TS |
12766 | #endif |
12767 | #endif | |
12768 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 12769 | case TARGET_NR_get_thread_area: |
8d18e893 | 12770 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 12771 | return do_get_thread_area(cpu_env, arg1); |
1ccd9374 PM |
12772 | #elif defined(TARGET_M68K) |
12773 | { | |
0429a971 | 12774 | TaskState *ts = cpu->opaque; |
72eb7ea8 | 12775 | return ts->tp_value; |
1ccd9374 | 12776 | } |
8d18e893 | 12777 | #else |
10f45d98 | 12778 | return -TARGET_ENOSYS; |
48dc41eb | 12779 | #endif |
8d18e893 | 12780 | #endif |
48dc41eb FB |
12781 | #ifdef TARGET_NR_getdomainname |
12782 | case TARGET_NR_getdomainname: | |
10f45d98 | 12783 | return -TARGET_ENOSYS; |
ebc05488 | 12784 | #endif |
6f5b89a0 | 12785 | |
12e3340c MF |
12786 | #ifdef TARGET_NR_clock_settime |
12787 | case TARGET_NR_clock_settime: | |
12788 | { | |
12789 | struct timespec ts; | |
12790 | ||
12791 | ret = target_to_host_timespec(&ts, arg2); | |
12792 | if (!is_error(ret)) { | |
12793 | ret = get_errno(clock_settime(arg1, &ts)); | |
12794 | } | |
72eb7ea8 | 12795 | return ret; |
12e3340c MF |
12796 | } |
12797 | #endif | |
c6c8d102 AF |
12798 | #ifdef TARGET_NR_clock_settime64 |
12799 | case TARGET_NR_clock_settime64: | |
12800 | { | |
12801 | struct timespec ts; | |
12802 | ||
12803 | ret = target_to_host_timespec64(&ts, arg2); | |
12804 | if (!is_error(ret)) { | |
12805 | ret = get_errno(clock_settime(arg1, &ts)); | |
12806 | } | |
12807 | return ret; | |
12808 | } | |
12809 | #endif | |
b5906f95 TS |
12810 | #ifdef TARGET_NR_clock_gettime |
12811 | case TARGET_NR_clock_gettime: | |
12812 | { | |
12813 | struct timespec ts; | |
12814 | ret = get_errno(clock_gettime(arg1, &ts)); | |
12815 | if (!is_error(ret)) { | |
b9f9908e | 12816 | ret = host_to_target_timespec(arg2, &ts); |
b5906f95 | 12817 | } |
72eb7ea8 | 12818 | return ret; |
b5906f95 TS |
12819 | } |
12820 | #endif | |
c6c8d102 AF |
12821 | #ifdef TARGET_NR_clock_gettime64 |
12822 | case TARGET_NR_clock_gettime64: | |
12823 | { | |
12824 | struct timespec ts; | |
12825 | ret = get_errno(clock_gettime(arg1, &ts)); | |
12826 | if (!is_error(ret)) { | |
12827 | ret = host_to_target_timespec64(arg2, &ts); | |
12828 | } | |
12829 | return ret; | |
12830 | } | |
12831 | #endif | |
b5906f95 TS |
12832 | #ifdef TARGET_NR_clock_getres |
12833 | case TARGET_NR_clock_getres: | |
12834 | { | |
12835 | struct timespec ts; | |
12836 | ret = get_errno(clock_getres(arg1, &ts)); | |
12837 | if (!is_error(ret)) { | |
12838 | host_to_target_timespec(arg2, &ts); | |
12839 | } | |
72eb7ea8 | 12840 | return ret; |
b5906f95 TS |
12841 | } |
12842 | #endif | |
828cb3a1 FB |
12843 | #ifdef TARGET_NR_clock_getres_time64 |
12844 | case TARGET_NR_clock_getres_time64: | |
12845 | { | |
12846 | struct timespec ts; | |
12847 | ret = get_errno(clock_getres(arg1, &ts)); | |
12848 | if (!is_error(ret)) { | |
12849 | host_to_target_timespec64(arg2, &ts); | |
12850 | } | |
12851 | return ret; | |
12852 | } | |
12853 | #endif | |
63d7651b PB |
12854 | #ifdef TARGET_NR_clock_nanosleep |
12855 | case TARGET_NR_clock_nanosleep: | |
12856 | { | |
12857 | struct timespec ts; | |
b09d6406 FB |
12858 | if (target_to_host_timespec(&ts, arg3)) { |
12859 | return -TARGET_EFAULT; | |
12860 | } | |
9e518226 PM |
12861 | ret = get_errno(safe_clock_nanosleep(arg1, arg2, |
12862 | &ts, arg4 ? &ts : NULL)); | |
8ec68a0a LV |
12863 | /* |
12864 | * if the call is interrupted by a signal handler, it fails | |
12865 | * with error -TARGET_EINTR and if arg4 is not NULL and arg2 is not | |
12866 | * TIMER_ABSTIME, it returns the remaining unslept time in arg4. | |
12867 | */ | |
b09d6406 FB |
12868 | if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME && |
12869 | host_to_target_timespec(arg4, &ts)) { | |
12870 | return -TARGET_EFAULT; | |
8ec68a0a | 12871 | } |
8fbe8fdf | 12872 | |
72eb7ea8 | 12873 | return ret; |
63d7651b PB |
12874 | } |
12875 | #endif | |
6ac03b2c FB |
12876 | #ifdef TARGET_NR_clock_nanosleep_time64 |
12877 | case TARGET_NR_clock_nanosleep_time64: | |
12878 | { | |
12879 | struct timespec ts; | |
12880 | ||
12881 | if (target_to_host_timespec64(&ts, arg3)) { | |
12882 | return -TARGET_EFAULT; | |
12883 | } | |
12884 | ||
12885 | ret = get_errno(safe_clock_nanosleep(arg1, arg2, | |
12886 | &ts, arg4 ? &ts : NULL)); | |
12887 | ||
12888 | if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME && | |
12889 | host_to_target_timespec64(arg4, &ts)) { | |
12890 | return -TARGET_EFAULT; | |
12891 | } | |
12892 | return ret; | |
12893 | } | |
12894 | #endif | |
b5906f95 | 12895 | |
9a7f682c | 12896 | #if defined(TARGET_NR_set_tid_address) |
6f5b89a0 | 12897 | case TARGET_NR_set_tid_address: |
9a7f682c HD |
12898 | { |
12899 | TaskState *ts = cpu->opaque; | |
12900 | ts->child_tidptr = arg1; | |
12901 | /* do not call host set_tid_address() syscall, instead return tid() */ | |
12902 | return get_errno(sys_gettid()); | |
12903 | } | |
6f5b89a0 TS |
12904 | #endif |
12905 | ||
4cae1d16 | 12906 | case TARGET_NR_tkill: |
72eb7ea8 | 12907 | return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 | 12908 | |
71455574 | 12909 | case TARGET_NR_tgkill: |
72eb7ea8 RH |
12910 | return get_errno(safe_tgkill((int)arg1, (int)arg2, |
12911 | target_to_host_signal(arg3))); | |
71455574 | 12912 | |
4f2b1fe8 TS |
12913 | #ifdef TARGET_NR_set_robust_list |
12914 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
12915 | case TARGET_NR_get_robust_list: |
12916 | /* The ABI for supporting robust futexes has userspace pass | |
12917 | * the kernel a pointer to a linked list which is updated by | |
12918 | * userspace after the syscall; the list is walked by the kernel | |
12919 | * when the thread exits. Since the linked list in QEMU guest | |
12920 | * memory isn't a valid linked list for the host and we have | |
12921 | * no way to reliably intercept the thread-death event, we can't | |
12922 | * support these. Silently return ENOSYS so that guest userspace | |
12923 | * falls back to a non-robust futex implementation (which should | |
12924 | * be OK except in the corner case of the guest crashing while | |
12925 | * holding a mutex that is shared with another process via | |
12926 | * shared memory). | |
12927 | */ | |
10f45d98 | 12928 | return -TARGET_ENOSYS; |
4f2b1fe8 TS |
12929 | #endif |
12930 | ||
1acae9f2 | 12931 | #if defined(TARGET_NR_utimensat) |
9007f0ef TS |
12932 | case TARGET_NR_utimensat: |
12933 | { | |
ebc996f3 RV |
12934 | struct timespec *tsp, ts[2]; |
12935 | if (!arg3) { | |
12936 | tsp = NULL; | |
12937 | } else { | |
b3a3af70 FB |
12938 | if (target_to_host_timespec(ts, arg3)) { |
12939 | return -TARGET_EFAULT; | |
12940 | } | |
12941 | if (target_to_host_timespec(ts + 1, arg3 + | |
12942 | sizeof(struct target_timespec))) { | |
12943 | return -TARGET_EFAULT; | |
12944 | } | |
ebc996f3 RV |
12945 | tsp = ts; |
12946 | } | |
9007f0ef | 12947 | if (!arg2) |
ebc996f3 | 12948 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 12949 | else { |
579a97f7 | 12950 | if (!(p = lock_user_string(arg2))) { |
259841c1 | 12951 | return -TARGET_EFAULT; |
579a97f7 | 12952 | } |
ebc996f3 | 12953 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 12954 | unlock_user(p, arg2, 0); |
cac46eb0 FB |
12955 | } |
12956 | } | |
12957 | return ret; | |
12958 | #endif | |
12959 | #ifdef TARGET_NR_utimensat_time64 | |
12960 | case TARGET_NR_utimensat_time64: | |
12961 | { | |
12962 | struct timespec *tsp, ts[2]; | |
12963 | if (!arg3) { | |
12964 | tsp = NULL; | |
12965 | } else { | |
12966 | if (target_to_host_timespec64(ts, arg3)) { | |
12967 | return -TARGET_EFAULT; | |
12968 | } | |
12969 | if (target_to_host_timespec64(ts + 1, arg3 + | |
12970 | sizeof(struct target__kernel_timespec))) { | |
12971 | return -TARGET_EFAULT; | |
12972 | } | |
12973 | tsp = ts; | |
12974 | } | |
12975 | if (!arg2) | |
12976 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); | |
12977 | else { | |
12978 | p = lock_user_string(arg2); | |
12979 | if (!p) { | |
12980 | return -TARGET_EFAULT; | |
12981 | } | |
12982 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); | |
12983 | unlock_user(p, arg2, 0); | |
9007f0ef TS |
12984 | } |
12985 | } | |
72eb7ea8 | 12986 | return ret; |
9007f0ef | 12987 | #endif |
859e8a89 | 12988 | #ifdef TARGET_NR_futex |
bd0c5661 | 12989 | case TARGET_NR_futex: |
0fbc0f8d | 12990 | return do_futex(cpu, false, arg1, arg2, arg3, arg4, arg5, arg6); |
859e8a89 | 12991 | #endif |
14690296 AF |
12992 | #ifdef TARGET_NR_futex_time64 |
12993 | case TARGET_NR_futex_time64: | |
0fbc0f8d | 12994 | return do_futex(cpu, true, arg1, arg2, arg3, arg4, arg5, arg6); |
14690296 | 12995 | #endif |
33f53ac5 PB |
12996 | #ifdef CONFIG_INOTIFY |
12997 | #if defined(TARGET_NR_inotify_init) | |
39b59763 | 12998 | case TARGET_NR_inotify_init: |
33f53ac5 | 12999 | ret = get_errno(inotify_init()); |
b929f7e5 PMD |
13000 | if (ret >= 0) { |
13001 | fd_trans_register(ret, &target_inotify_trans); | |
13002 | } | |
72eb7ea8 | 13003 | return ret; |
39b59763 | 13004 | #endif |
33f53ac5 | 13005 | #if defined(TARGET_NR_inotify_init1) && defined(CONFIG_INOTIFY1) |
c05c7a73 | 13006 | case TARGET_NR_inotify_init1: |
33f53ac5 | 13007 | ret = get_errno(inotify_init1(target_to_host_bitmask(arg1, |
fea243e9 | 13008 | fcntl_flags_tbl))); |
b929f7e5 PMD |
13009 | if (ret >= 0) { |
13010 | fd_trans_register(ret, &target_inotify_trans); | |
13011 | } | |
72eb7ea8 | 13012 | return ret; |
c05c7a73 | 13013 | #endif |
33f53ac5 | 13014 | #if defined(TARGET_NR_inotify_add_watch) |
39b59763 AJ |
13015 | case TARGET_NR_inotify_add_watch: |
13016 | p = lock_user_string(arg2); | |
33f53ac5 | 13017 | ret = get_errno(inotify_add_watch(arg1, path(p), arg3)); |
39b59763 | 13018 | unlock_user(p, arg2, 0); |
72eb7ea8 | 13019 | return ret; |
39b59763 | 13020 | #endif |
33f53ac5 | 13021 | #if defined(TARGET_NR_inotify_rm_watch) |
39b59763 | 13022 | case TARGET_NR_inotify_rm_watch: |
33f53ac5 PB |
13023 | return get_errno(inotify_rm_watch(arg1, arg2)); |
13024 | #endif | |
39b59763 | 13025 | #endif |
9007f0ef | 13026 | |
8ec9cf89 | 13027 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
13028 | case TARGET_NR_mq_open: |
13029 | { | |
c7536ab6 | 13030 | struct mq_attr posix_mq_attr; |
26400775 | 13031 | struct mq_attr *pposix_mq_attr; |
c7536ab6 | 13032 | int host_flags; |
24e1003a | 13033 | |
c7536ab6 | 13034 | host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl); |
26400775 LD |
13035 | pposix_mq_attr = NULL; |
13036 | if (arg4) { | |
13037 | if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) { | |
2852aafd | 13038 | return -TARGET_EFAULT; |
26400775 LD |
13039 | } |
13040 | pposix_mq_attr = &posix_mq_attr; | |
c7536ab6 | 13041 | } |
24e1003a | 13042 | p = lock_user_string(arg1 - 1); |
c7536ab6 | 13043 | if (!p) { |
2852aafd | 13044 | return -TARGET_EFAULT; |
b6ce1f6b | 13045 | } |
26400775 | 13046 | ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr)); |
24e1003a AJ |
13047 | unlock_user (p, arg1, 0); |
13048 | } | |
72eb7ea8 | 13049 | return ret; |
24e1003a AJ |
13050 | |
13051 | case TARGET_NR_mq_unlink: | |
13052 | p = lock_user_string(arg1 - 1); | |
3211215e | 13053 | if (!p) { |
72eb7ea8 | 13054 | return -TARGET_EFAULT; |
3211215e | 13055 | } |
24e1003a AJ |
13056 | ret = get_errno(mq_unlink(p)); |
13057 | unlock_user (p, arg1, 0); | |
72eb7ea8 | 13058 | return ret; |
24e1003a | 13059 | |
859e8a89 | 13060 | #ifdef TARGET_NR_mq_timedsend |
24e1003a AJ |
13061 | case TARGET_NR_mq_timedsend: |
13062 | { | |
13063 | struct timespec ts; | |
13064 | ||
13065 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
13066 | if (arg5 != 0) { | |
dcbcf5cf FB |
13067 | if (target_to_host_timespec(&ts, arg5)) { |
13068 | return -TARGET_EFAULT; | |
13069 | } | |
d40ecd66 | 13070 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); |
dcbcf5cf FB |
13071 | if (!is_error(ret) && host_to_target_timespec(arg5, &ts)) { |
13072 | return -TARGET_EFAULT; | |
13073 | } | |
d40ecd66 PM |
13074 | } else { |
13075 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); | |
24e1003a | 13076 | } |
24e1003a AJ |
13077 | unlock_user (p, arg2, arg3); |
13078 | } | |
72eb7ea8 | 13079 | return ret; |
859e8a89 | 13080 | #endif |
d107e375 FB |
13081 | #ifdef TARGET_NR_mq_timedsend_time64 |
13082 | case TARGET_NR_mq_timedsend_time64: | |
13083 | { | |
13084 | struct timespec ts; | |
13085 | ||
13086 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
13087 | if (arg5 != 0) { | |
13088 | if (target_to_host_timespec64(&ts, arg5)) { | |
13089 | return -TARGET_EFAULT; | |
13090 | } | |
13091 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); | |
13092 | if (!is_error(ret) && host_to_target_timespec64(arg5, &ts)) { | |
13093 | return -TARGET_EFAULT; | |
13094 | } | |
13095 | } else { | |
13096 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); | |
13097 | } | |
13098 | unlock_user(p, arg2, arg3); | |
13099 | } | |
13100 | return ret; | |
13101 | #endif | |
24e1003a | 13102 | |
859e8a89 | 13103 | #ifdef TARGET_NR_mq_timedreceive |
24e1003a AJ |
13104 | case TARGET_NR_mq_timedreceive: |
13105 | { | |
13106 | struct timespec ts; | |
13107 | unsigned int prio; | |
13108 | ||
13109 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
13110 | if (arg5 != 0) { | |
dcbcf5cf FB |
13111 | if (target_to_host_timespec(&ts, arg5)) { |
13112 | return -TARGET_EFAULT; | |
13113 | } | |
d40ecd66 PM |
13114 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, |
13115 | &prio, &ts)); | |
dcbcf5cf FB |
13116 | if (!is_error(ret) && host_to_target_timespec(arg5, &ts)) { |
13117 | return -TARGET_EFAULT; | |
13118 | } | |
d40ecd66 PM |
13119 | } else { |
13120 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
13121 | &prio, NULL)); | |
24e1003a | 13122 | } |
24e1003a AJ |
13123 | unlock_user (p, arg2, arg3); |
13124 | if (arg4 != 0) | |
13125 | put_user_u32(prio, arg4); | |
13126 | } | |
72eb7ea8 | 13127 | return ret; |
859e8a89 | 13128 | #endif |
d107e375 FB |
13129 | #ifdef TARGET_NR_mq_timedreceive_time64 |
13130 | case TARGET_NR_mq_timedreceive_time64: | |
13131 | { | |
13132 | struct timespec ts; | |
13133 | unsigned int prio; | |
13134 | ||
13135 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
13136 | if (arg5 != 0) { | |
13137 | if (target_to_host_timespec64(&ts, arg5)) { | |
13138 | return -TARGET_EFAULT; | |
13139 | } | |
13140 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
13141 | &prio, &ts)); | |
13142 | if (!is_error(ret) && host_to_target_timespec64(arg5, &ts)) { | |
13143 | return -TARGET_EFAULT; | |
13144 | } | |
13145 | } else { | |
13146 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
13147 | &prio, NULL)); | |
13148 | } | |
13149 | unlock_user(p, arg2, arg3); | |
13150 | if (arg4 != 0) { | |
13151 | put_user_u32(prio, arg4); | |
13152 | } | |
13153 | } | |
13154 | return ret; | |
13155 | #endif | |
24e1003a AJ |
13156 | |
13157 | /* Not implemented for now... */ | |
13158 | /* case TARGET_NR_mq_notify: */ | |
13159 | /* break; */ | |
13160 | ||
13161 | case TARGET_NR_mq_getsetattr: | |
13162 | { | |
13163 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
13164 | ret = 0; | |
24e1003a AJ |
13165 | if (arg2 != 0) { |
13166 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
a23ea409 MF |
13167 | ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in, |
13168 | &posix_mq_attr_out)); | |
13169 | } else if (arg3 != 0) { | |
13170 | ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out)); | |
13171 | } | |
13172 | if (ret == 0 && arg3 != 0) { | |
13173 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
24e1003a | 13174 | } |
24e1003a | 13175 | } |
72eb7ea8 | 13176 | return ret; |
24e1003a AJ |
13177 | #endif |
13178 | ||
3ce34dfb VS |
13179 | #ifdef CONFIG_SPLICE |
13180 | #ifdef TARGET_NR_tee | |
13181 | case TARGET_NR_tee: | |
13182 | { | |
13183 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
13184 | } | |
72eb7ea8 | 13185 | return ret; |
3ce34dfb VS |
13186 | #endif |
13187 | #ifdef TARGET_NR_splice | |
13188 | case TARGET_NR_splice: | |
13189 | { | |
13190 | loff_t loff_in, loff_out; | |
13191 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
17644b36 AS |
13192 | if (arg2) { |
13193 | if (get_user_u64(loff_in, arg2)) { | |
2852aafd | 13194 | return -TARGET_EFAULT; |
17644b36 | 13195 | } |
3ce34dfb VS |
13196 | ploff_in = &loff_in; |
13197 | } | |
17644b36 AS |
13198 | if (arg4) { |
13199 | if (get_user_u64(loff_out, arg4)) { | |
2852aafd | 13200 | return -TARGET_EFAULT; |
17644b36 | 13201 | } |
3ce34dfb VS |
13202 | ploff_out = &loff_out; |
13203 | } | |
13204 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
17644b36 AS |
13205 | if (arg2) { |
13206 | if (put_user_u64(loff_in, arg2)) { | |
2852aafd | 13207 | return -TARGET_EFAULT; |
17644b36 AS |
13208 | } |
13209 | } | |
13210 | if (arg4) { | |
13211 | if (put_user_u64(loff_out, arg4)) { | |
2852aafd | 13212 | return -TARGET_EFAULT; |
17644b36 AS |
13213 | } |
13214 | } | |
3ce34dfb | 13215 | } |
72eb7ea8 | 13216 | return ret; |
3ce34dfb VS |
13217 | #endif |
13218 | #ifdef TARGET_NR_vmsplice | |
13219 | case TARGET_NR_vmsplice: | |
13220 | { | |
f287b2c2 RH |
13221 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
13222 | if (vec != NULL) { | |
13223 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
13224 | unlock_iovec(vec, arg2, arg3, 0); | |
13225 | } else { | |
13226 | ret = -host_to_target_errno(errno); | |
13227 | } | |
3ce34dfb | 13228 | } |
72eb7ea8 | 13229 | return ret; |
3ce34dfb VS |
13230 | #endif |
13231 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
13232 | #ifdef CONFIG_EVENTFD |
13233 | #if defined(TARGET_NR_eventfd) | |
13234 | case TARGET_NR_eventfd: | |
13235 | ret = get_errno(eventfd(arg1, 0)); | |
b929f7e5 PMD |
13236 | if (ret >= 0) { |
13237 | fd_trans_register(ret, &target_eventfd_trans); | |
13238 | } | |
72eb7ea8 | 13239 | return ret; |
c2882b96 RV |
13240 | #endif |
13241 | #if defined(TARGET_NR_eventfd2) | |
13242 | case TARGET_NR_eventfd2: | |
5947c697 | 13243 | { |
78721301 | 13244 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK_MASK | TARGET_O_CLOEXEC)); |
5947c697 PJ |
13245 | if (arg2 & TARGET_O_NONBLOCK) { |
13246 | host_flags |= O_NONBLOCK; | |
13247 | } | |
13248 | if (arg2 & TARGET_O_CLOEXEC) { | |
13249 | host_flags |= O_CLOEXEC; | |
13250 | } | |
13251 | ret = get_errno(eventfd(arg1, host_flags)); | |
b929f7e5 PMD |
13252 | if (ret >= 0) { |
13253 | fd_trans_register(ret, &target_eventfd_trans); | |
13254 | } | |
72eb7ea8 | 13255 | return ret; |
5947c697 | 13256 | } |
c2882b96 RV |
13257 | #endif |
13258 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
13259 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
13260 | case TARGET_NR_fallocate: | |
eeed2291 | 13261 | #if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32) |
20249ae1 AG |
13262 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), |
13263 | target_offset64(arg5, arg6))); | |
13264 | #else | |
d0927938 | 13265 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 13266 | #endif |
72eb7ea8 | 13267 | return ret; |
c727f47d PM |
13268 | #endif |
13269 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
13270 | #if defined(TARGET_NR_sync_file_range) | |
13271 | case TARGET_NR_sync_file_range: | |
eeed2291 | 13272 | #if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32) |
bfcedc57 RV |
13273 | #if defined(TARGET_MIPS) |
13274 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
13275 | target_offset64(arg5, arg6), arg7)); | |
13276 | #else | |
c727f47d PM |
13277 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
13278 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 13279 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
13280 | #else |
13281 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
13282 | #endif | |
72eb7ea8 | 13283 | return ret; |
c727f47d | 13284 | #endif |
5bcb4986 LV |
13285 | #if defined(TARGET_NR_sync_file_range2) || \ |
13286 | defined(TARGET_NR_arm_sync_file_range) | |
c727f47d PM |
13287 | #if defined(TARGET_NR_sync_file_range2) |
13288 | case TARGET_NR_sync_file_range2: | |
5bcb4986 LV |
13289 | #endif |
13290 | #if defined(TARGET_NR_arm_sync_file_range) | |
13291 | case TARGET_NR_arm_sync_file_range: | |
13292 | #endif | |
c727f47d | 13293 | /* This is like sync_file_range but the arguments are reordered */ |
eeed2291 | 13294 | #if TARGET_ABI_BITS == 32 && !defined(TARGET_ABI_MIPSN32) |
c727f47d PM |
13295 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), |
13296 | target_offset64(arg5, arg6), arg2)); | |
13297 | #else | |
13298 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
13299 | #endif | |
72eb7ea8 | 13300 | return ret; |
c727f47d | 13301 | #endif |
3b6edd16 | 13302 | #endif |
e36800c9 LV |
13303 | #if defined(TARGET_NR_signalfd4) |
13304 | case TARGET_NR_signalfd4: | |
72eb7ea8 | 13305 | return do_signalfd4(arg1, arg2, arg4); |
e36800c9 LV |
13306 | #endif |
13307 | #if defined(TARGET_NR_signalfd) | |
13308 | case TARGET_NR_signalfd: | |
72eb7ea8 | 13309 | return do_signalfd4(arg1, arg2, 0); |
e36800c9 | 13310 | #endif |
3b6edd16 PM |
13311 | #if defined(CONFIG_EPOLL) |
13312 | #if defined(TARGET_NR_epoll_create) | |
13313 | case TARGET_NR_epoll_create: | |
72eb7ea8 | 13314 | return get_errno(epoll_create(arg1)); |
3b6edd16 PM |
13315 | #endif |
13316 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
13317 | case TARGET_NR_epoll_create1: | |
386d3865 | 13318 | return get_errno(epoll_create1(target_to_host_bitmask(arg1, fcntl_flags_tbl))); |
3b6edd16 PM |
13319 | #endif |
13320 | #if defined(TARGET_NR_epoll_ctl) | |
13321 | case TARGET_NR_epoll_ctl: | |
13322 | { | |
13323 | struct epoll_event ep; | |
13324 | struct epoll_event *epp = 0; | |
13325 | if (arg4) { | |
c7811022 L |
13326 | if (arg2 != EPOLL_CTL_DEL) { |
13327 | struct target_epoll_event *target_ep; | |
13328 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
13329 | return -TARGET_EFAULT; | |
13330 | } | |
13331 | ep.events = tswap32(target_ep->events); | |
13332 | /* | |
13333 | * The epoll_data_t union is just opaque data to the kernel, | |
13334 | * so we transfer all 64 bits across and need not worry what | |
13335 | * actual data type it is. | |
13336 | */ | |
13337 | ep.data.u64 = tswap64(target_ep->data.u64); | |
13338 | unlock_user_struct(target_ep, arg4, 0); | |
3b6edd16 | 13339 | } |
c7811022 L |
13340 | /* |
13341 | * before kernel 2.6.9, EPOLL_CTL_DEL operation required a | |
13342 | * non-null pointer, even though this argument is ignored. | |
13343 | * | |
3b6edd16 | 13344 | */ |
3b6edd16 PM |
13345 | epp = &ep; |
13346 | } | |
72eb7ea8 | 13347 | return get_errno(epoll_ctl(arg1, arg2, arg3, epp)); |
3b6edd16 PM |
13348 | } |
13349 | #endif | |
13350 | ||
227f0214 | 13351 | #if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
13352 | #if defined(TARGET_NR_epoll_wait) |
13353 | case TARGET_NR_epoll_wait: | |
13354 | #endif | |
227f0214 | 13355 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
13356 | case TARGET_NR_epoll_pwait: |
13357 | #endif | |
13358 | { | |
13359 | struct target_epoll_event *target_ep; | |
13360 | struct epoll_event *ep; | |
13361 | int epfd = arg1; | |
13362 | int maxevents = arg3; | |
13363 | int timeout = arg4; | |
13364 | ||
2ba7fae3 | 13365 | if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) { |
72eb7ea8 | 13366 | return -TARGET_EINVAL; |
2ba7fae3 PM |
13367 | } |
13368 | ||
3b6edd16 PM |
13369 | target_ep = lock_user(VERIFY_WRITE, arg2, |
13370 | maxevents * sizeof(struct target_epoll_event), 1); | |
13371 | if (!target_ep) { | |
2852aafd | 13372 | return -TARGET_EFAULT; |
3b6edd16 PM |
13373 | } |
13374 | ||
04c95f4d PM |
13375 | ep = g_try_new(struct epoll_event, maxevents); |
13376 | if (!ep) { | |
13377 | unlock_user(target_ep, arg2, 0); | |
72eb7ea8 | 13378 | return -TARGET_ENOMEM; |
04c95f4d | 13379 | } |
3b6edd16 PM |
13380 | |
13381 | switch (num) { | |
227f0214 | 13382 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
13383 | case TARGET_NR_epoll_pwait: |
13384 | { | |
cd0e31a4 | 13385 | sigset_t *set = NULL; |
3b6edd16 PM |
13386 | |
13387 | if (arg5) { | |
cd0e31a4 RH |
13388 | ret = process_sigsuspend_mask(&set, arg5, arg6); |
13389 | if (ret != 0) { | |
c815701e PM |
13390 | break; |
13391 | } | |
3b6edd16 PM |
13392 | } |
13393 | ||
227f0214 PM |
13394 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
13395 | set, SIGSET_T_SIZE)); | |
cd0e31a4 RH |
13396 | |
13397 | if (set) { | |
13398 | finish_sigsuspend_mask(ret); | |
13399 | } | |
3b6edd16 PM |
13400 | break; |
13401 | } | |
13402 | #endif | |
13403 | #if defined(TARGET_NR_epoll_wait) | |
13404 | case TARGET_NR_epoll_wait: | |
227f0214 PM |
13405 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
13406 | NULL, 0)); | |
3b6edd16 PM |
13407 | break; |
13408 | #endif | |
13409 | default: | |
13410 | ret = -TARGET_ENOSYS; | |
13411 | } | |
13412 | if (!is_error(ret)) { | |
13413 | int i; | |
13414 | for (i = 0; i < ret; i++) { | |
13415 | target_ep[i].events = tswap32(ep[i].events); | |
13416 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
13417 | } | |
04c95f4d PM |
13418 | unlock_user(target_ep, arg2, |
13419 | ret * sizeof(struct target_epoll_event)); | |
13420 | } else { | |
13421 | unlock_user(target_ep, arg2, 0); | |
3b6edd16 | 13422 | } |
04c95f4d | 13423 | g_free(ep); |
72eb7ea8 | 13424 | return ret; |
3b6edd16 PM |
13425 | } |
13426 | #endif | |
163a05a8 PM |
13427 | #endif |
13428 | #ifdef TARGET_NR_prlimit64 | |
13429 | case TARGET_NR_prlimit64: | |
13430 | { | |
13431 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
13432 | struct target_rlimit64 *target_rnew, *target_rold; | |
13433 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
95018018 | 13434 | int resource = target_to_host_resource(arg2); |
055d92f8 TK |
13435 | |
13436 | if (arg3 && (resource != RLIMIT_AS && | |
13437 | resource != RLIMIT_DATA && | |
13438 | resource != RLIMIT_STACK)) { | |
163a05a8 | 13439 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { |
2852aafd | 13440 | return -TARGET_EFAULT; |
163a05a8 | 13441 | } |
9c1da8b5 IL |
13442 | __get_user(rnew.rlim_cur, &target_rnew->rlim_cur); |
13443 | __get_user(rnew.rlim_max, &target_rnew->rlim_max); | |
163a05a8 PM |
13444 | unlock_user_struct(target_rnew, arg3, 0); |
13445 | rnewp = &rnew; | |
13446 | } | |
13447 | ||
95018018 | 13448 | ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0)); |
163a05a8 PM |
13449 | if (!is_error(ret) && arg4) { |
13450 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
2852aafd | 13451 | return -TARGET_EFAULT; |
163a05a8 | 13452 | } |
9c1da8b5 IL |
13453 | __put_user(rold.rlim_cur, &target_rold->rlim_cur); |
13454 | __put_user(rold.rlim_max, &target_rold->rlim_max); | |
163a05a8 PM |
13455 | unlock_user_struct(target_rold, arg4, 1); |
13456 | } | |
72eb7ea8 | 13457 | return ret; |
163a05a8 | 13458 | } |
3d21d29c RH |
13459 | #endif |
13460 | #ifdef TARGET_NR_gethostname | |
13461 | case TARGET_NR_gethostname: | |
13462 | { | |
13463 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
13464 | if (name) { | |
13465 | ret = get_errno(gethostname(name, arg2)); | |
13466 | unlock_user(name, arg1, arg2); | |
13467 | } else { | |
13468 | ret = -TARGET_EFAULT; | |
13469 | } | |
72eb7ea8 | 13470 | return ret; |
3d21d29c | 13471 | } |
89aaf1a6 RV |
13472 | #endif |
13473 | #ifdef TARGET_NR_atomic_cmpxchg_32 | |
13474 | case TARGET_NR_atomic_cmpxchg_32: | |
13475 | { | |
13476 | /* should use start_exclusive from main.c */ | |
13477 | abi_ulong mem_value; | |
13478 | if (get_user_u32(mem_value, arg6)) { | |
13479 | target_siginfo_t info; | |
13480 | info.si_signo = SIGSEGV; | |
13481 | info.si_errno = 0; | |
13482 | info.si_code = TARGET_SEGV_MAPERR; | |
13483 | info._sifields._sigfault._addr = arg6; | |
0effdc29 | 13484 | queue_signal(cpu_env, info.si_signo, QEMU_SI_FAULT, &info); |
89aaf1a6 RV |
13485 | ret = 0xdeadbeef; |
13486 | ||
13487 | } | |
13488 | if (mem_value == arg2) | |
13489 | put_user_u32(arg1, arg6); | |
72eb7ea8 | 13490 | return mem_value; |
89aaf1a6 RV |
13491 | } |
13492 | #endif | |
13493 | #ifdef TARGET_NR_atomic_barrier | |
13494 | case TARGET_NR_atomic_barrier: | |
72eb7ea8 RH |
13495 | /* Like the kernel implementation and the |
13496 | qemu arm barrier, no-op this? */ | |
13497 | return 0; | |
d0927938 | 13498 | #endif |
f4f1e10a ECL |
13499 | |
13500 | #ifdef TARGET_NR_timer_create | |
13501 | case TARGET_NR_timer_create: | |
13502 | { | |
13503 | /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */ | |
13504 | ||
13505 | struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL; | |
f4f1e10a ECL |
13506 | |
13507 | int clkid = arg1; | |
13508 | int timer_index = next_free_host_timer(); | |
13509 | ||
13510 | if (timer_index < 0) { | |
13511 | ret = -TARGET_EAGAIN; | |
13512 | } else { | |
13513 | timer_t *phtimer = g_posix_timers + timer_index; | |
13514 | ||
13515 | if (arg2) { | |
f4f1e10a | 13516 | phost_sevp = &host_sevp; |
c065976f PM |
13517 | ret = target_to_host_sigevent(phost_sevp, arg2); |
13518 | if (ret != 0) { | |
9e59899f | 13519 | free_host_timer_slot(timer_index); |
72eb7ea8 | 13520 | return ret; |
c065976f | 13521 | } |
f4f1e10a ECL |
13522 | } |
13523 | ||
13524 | ret = get_errno(timer_create(clkid, phost_sevp, phtimer)); | |
13525 | if (ret) { | |
9e59899f | 13526 | free_host_timer_slot(timer_index); |
f4f1e10a | 13527 | } else { |
aecc8861 | 13528 | if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { |
9e59899f PM |
13529 | timer_delete(*phtimer); |
13530 | free_host_timer_slot(timer_index); | |
2852aafd | 13531 | return -TARGET_EFAULT; |
f4f1e10a | 13532 | } |
f4f1e10a ECL |
13533 | } |
13534 | } | |
72eb7ea8 | 13535 | return ret; |
f4f1e10a ECL |
13536 | } |
13537 | #endif | |
13538 | ||
13539 | #ifdef TARGET_NR_timer_settime | |
13540 | case TARGET_NR_timer_settime: | |
13541 | { | |
13542 | /* args: timer_t timerid, int flags, const struct itimerspec *new_value, | |
13543 | * struct itimerspec * old_value */ | |
aecc8861 | 13544 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 13545 | |
aecc8861 AG |
13546 | if (timerid < 0) { |
13547 | ret = timerid; | |
13548 | } else if (arg3 == 0) { | |
f4f1e10a ECL |
13549 | ret = -TARGET_EINVAL; |
13550 | } else { | |
e52a99f7 | 13551 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
13552 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; |
13553 | ||
40c80b5e | 13554 | if (target_to_host_itimerspec(&hspec_new, arg3)) { |
2852aafd | 13555 | return -TARGET_EFAULT; |
40c80b5e | 13556 | } |
f4f1e10a ECL |
13557 | ret = get_errno( |
13558 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
40c80b5e | 13559 | if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) { |
2852aafd | 13560 | return -TARGET_EFAULT; |
40c80b5e | 13561 | } |
f4f1e10a | 13562 | } |
72eb7ea8 | 13563 | return ret; |
f4f1e10a ECL |
13564 | } |
13565 | #endif | |
13566 | ||
828cb3a1 FB |
13567 | #ifdef TARGET_NR_timer_settime64 |
13568 | case TARGET_NR_timer_settime64: | |
13569 | { | |
13570 | target_timer_t timerid = get_timer_id(arg1); | |
13571 | ||
13572 | if (timerid < 0) { | |
13573 | ret = timerid; | |
13574 | } else if (arg3 == 0) { | |
13575 | ret = -TARGET_EINVAL; | |
13576 | } else { | |
13577 | timer_t htimer = g_posix_timers[timerid]; | |
13578 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; | |
13579 | ||
13580 | if (target_to_host_itimerspec64(&hspec_new, arg3)) { | |
13581 | return -TARGET_EFAULT; | |
13582 | } | |
13583 | ret = get_errno( | |
13584 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
13585 | if (arg4 && host_to_target_itimerspec64(arg4, &hspec_old)) { | |
13586 | return -TARGET_EFAULT; | |
13587 | } | |
13588 | } | |
13589 | return ret; | |
13590 | } | |
13591 | #endif | |
13592 | ||
f4f1e10a ECL |
13593 | #ifdef TARGET_NR_timer_gettime |
13594 | case TARGET_NR_timer_gettime: | |
13595 | { | |
13596 | /* args: timer_t timerid, struct itimerspec *curr_value */ | |
aecc8861 | 13597 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 13598 | |
aecc8861 AG |
13599 | if (timerid < 0) { |
13600 | ret = timerid; | |
13601 | } else if (!arg2) { | |
13602 | ret = -TARGET_EFAULT; | |
f4f1e10a | 13603 | } else { |
e52a99f7 | 13604 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
13605 | struct itimerspec hspec; |
13606 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
13607 | ||
13608 | if (host_to_target_itimerspec(arg2, &hspec)) { | |
13609 | ret = -TARGET_EFAULT; | |
13610 | } | |
13611 | } | |
72eb7ea8 | 13612 | return ret; |
f4f1e10a ECL |
13613 | } |
13614 | #endif | |
13615 | ||
828cb3a1 FB |
13616 | #ifdef TARGET_NR_timer_gettime64 |
13617 | case TARGET_NR_timer_gettime64: | |
13618 | { | |
13619 | /* args: timer_t timerid, struct itimerspec64 *curr_value */ | |
13620 | target_timer_t timerid = get_timer_id(arg1); | |
13621 | ||
13622 | if (timerid < 0) { | |
13623 | ret = timerid; | |
13624 | } else if (!arg2) { | |
13625 | ret = -TARGET_EFAULT; | |
13626 | } else { | |
13627 | timer_t htimer = g_posix_timers[timerid]; | |
13628 | struct itimerspec hspec; | |
13629 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
13630 | ||
13631 | if (host_to_target_itimerspec64(arg2, &hspec)) { | |
13632 | ret = -TARGET_EFAULT; | |
13633 | } | |
13634 | } | |
13635 | return ret; | |
13636 | } | |
13637 | #endif | |
13638 | ||
f4f1e10a ECL |
13639 | #ifdef TARGET_NR_timer_getoverrun |
13640 | case TARGET_NR_timer_getoverrun: | |
13641 | { | |
13642 | /* args: timer_t timerid */ | |
aecc8861 | 13643 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 13644 | |
aecc8861 AG |
13645 | if (timerid < 0) { |
13646 | ret = timerid; | |
f4f1e10a | 13647 | } else { |
e52a99f7 | 13648 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
13649 | ret = get_errno(timer_getoverrun(htimer)); |
13650 | } | |
72eb7ea8 | 13651 | return ret; |
f4f1e10a ECL |
13652 | } |
13653 | #endif | |
13654 | ||
13655 | #ifdef TARGET_NR_timer_delete | |
13656 | case TARGET_NR_timer_delete: | |
13657 | { | |
13658 | /* args: timer_t timerid */ | |
aecc8861 | 13659 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 13660 | |
aecc8861 AG |
13661 | if (timerid < 0) { |
13662 | ret = timerid; | |
f4f1e10a | 13663 | } else { |
e52a99f7 | 13664 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a | 13665 | ret = get_errno(timer_delete(htimer)); |
9e59899f | 13666 | free_host_timer_slot(timerid); |
f4f1e10a | 13667 | } |
72eb7ea8 | 13668 | return ret; |
f4f1e10a ECL |
13669 | } |
13670 | #endif | |
13671 | ||
51834341 RV |
13672 | #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) |
13673 | case TARGET_NR_timerfd_create: | |
d759a62b MM |
13674 | ret = get_errno(timerfd_create(arg1, |
13675 | target_to_host_bitmask(arg2, fcntl_flags_tbl))); | |
13676 | if (ret >= 0) { | |
13677 | fd_trans_register(ret, &target_timerfd_trans); | |
13678 | } | |
13679 | return ret; | |
51834341 RV |
13680 | #endif |
13681 | ||
13682 | #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) | |
13683 | case TARGET_NR_timerfd_gettime: | |
13684 | { | |
13685 | struct itimerspec its_curr; | |
13686 | ||
13687 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
13688 | ||
13689 | if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { | |
2852aafd | 13690 | return -TARGET_EFAULT; |
51834341 RV |
13691 | } |
13692 | } | |
72eb7ea8 | 13693 | return ret; |
51834341 RV |
13694 | #endif |
13695 | ||
828cb3a1 FB |
13696 | #if defined(TARGET_NR_timerfd_gettime64) && defined(CONFIG_TIMERFD) |
13697 | case TARGET_NR_timerfd_gettime64: | |
13698 | { | |
13699 | struct itimerspec its_curr; | |
13700 | ||
13701 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
13702 | ||
13703 | if (arg2 && host_to_target_itimerspec64(arg2, &its_curr)) { | |
13704 | return -TARGET_EFAULT; | |
13705 | } | |
13706 | } | |
13707 | return ret; | |
13708 | #endif | |
13709 | ||
51834341 RV |
13710 | #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) |
13711 | case TARGET_NR_timerfd_settime: | |
13712 | { | |
13713 | struct itimerspec its_new, its_old, *p_new; | |
13714 | ||
13715 | if (arg3) { | |
13716 | if (target_to_host_itimerspec(&its_new, arg3)) { | |
2852aafd | 13717 | return -TARGET_EFAULT; |
51834341 RV |
13718 | } |
13719 | p_new = &its_new; | |
13720 | } else { | |
13721 | p_new = NULL; | |
13722 | } | |
13723 | ||
13724 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
13725 | ||
13726 | if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { | |
2852aafd | 13727 | return -TARGET_EFAULT; |
51834341 RV |
13728 | } |
13729 | } | |
72eb7ea8 | 13730 | return ret; |
51834341 RV |
13731 | #endif |
13732 | ||
828cb3a1 FB |
13733 | #if defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD) |
13734 | case TARGET_NR_timerfd_settime64: | |
13735 | { | |
13736 | struct itimerspec its_new, its_old, *p_new; | |
13737 | ||
13738 | if (arg3) { | |
13739 | if (target_to_host_itimerspec64(&its_new, arg3)) { | |
13740 | return -TARGET_EFAULT; | |
13741 | } | |
13742 | p_new = &its_new; | |
13743 | } else { | |
13744 | p_new = NULL; | |
13745 | } | |
13746 | ||
13747 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
13748 | ||
13749 | if (arg4 && host_to_target_itimerspec64(arg4, &its_old)) { | |
13750 | return -TARGET_EFAULT; | |
13751 | } | |
13752 | } | |
13753 | return ret; | |
13754 | #endif | |
13755 | ||
ab31cda3 PB |
13756 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
13757 | case TARGET_NR_ioprio_get: | |
72eb7ea8 | 13758 | return get_errno(ioprio_get(arg1, arg2)); |
ab31cda3 PB |
13759 | #endif |
13760 | ||
13761 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
13762 | case TARGET_NR_ioprio_set: | |
72eb7ea8 | 13763 | return get_errno(ioprio_set(arg1, arg2, arg3)); |
ab31cda3 PB |
13764 | #endif |
13765 | ||
9af5c906 RV |
13766 | #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) |
13767 | case TARGET_NR_setns: | |
72eb7ea8 | 13768 | return get_errno(setns(arg1, arg2)); |
9af5c906 RV |
13769 | #endif |
13770 | #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) | |
13771 | case TARGET_NR_unshare: | |
72eb7ea8 | 13772 | return get_errno(unshare(arg1)); |
9af5c906 | 13773 | #endif |
2f14788c LV |
13774 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
13775 | case TARGET_NR_kcmp: | |
72eb7ea8 | 13776 | return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); |
2f14788c | 13777 | #endif |
fa97e38e RH |
13778 | #ifdef TARGET_NR_swapcontext |
13779 | case TARGET_NR_swapcontext: | |
13780 | /* PowerPC specific. */ | |
72eb7ea8 | 13781 | return do_swapcontext(cpu_env, arg1, arg2, arg3); |
fa97e38e | 13782 | #endif |
9bdfa4d2 SCW |
13783 | #ifdef TARGET_NR_memfd_create |
13784 | case TARGET_NR_memfd_create: | |
13785 | p = lock_user_string(arg1); | |
13786 | if (!p) { | |
13787 | return -TARGET_EFAULT; | |
13788 | } | |
13789 | ret = get_errno(memfd_create(p, arg2)); | |
13790 | fd_trans_unregister(ret); | |
13791 | unlock_user(p, arg1, 0); | |
13792 | return ret; | |
13793 | #endif | |
8500476f AS |
13794 | #if defined TARGET_NR_membarrier && defined __NR_membarrier |
13795 | case TARGET_NR_membarrier: | |
13796 | return get_errno(membarrier(arg1, arg2)); | |
13797 | #endif | |
9af5c906 | 13798 | |
84946457 AS |
13799 | #if defined(TARGET_NR_copy_file_range) && defined(__NR_copy_file_range) |
13800 | case TARGET_NR_copy_file_range: | |
13801 | { | |
13802 | loff_t inoff, outoff; | |
13803 | loff_t *pinoff = NULL, *poutoff = NULL; | |
13804 | ||
13805 | if (arg2) { | |
13806 | if (get_user_u64(inoff, arg2)) { | |
13807 | return -TARGET_EFAULT; | |
13808 | } | |
13809 | pinoff = &inoff; | |
13810 | } | |
13811 | if (arg4) { | |
13812 | if (get_user_u64(outoff, arg4)) { | |
13813 | return -TARGET_EFAULT; | |
13814 | } | |
13815 | poutoff = &outoff; | |
13816 | } | |
0fa259dd | 13817 | /* Do not sign-extend the count parameter. */ |
84946457 | 13818 | ret = get_errno(safe_copy_file_range(arg1, pinoff, arg3, poutoff, |
0fa259dd | 13819 | (abi_ulong)arg5, arg6)); |
84946457 AS |
13820 | if (!is_error(ret) && ret > 0) { |
13821 | if (arg2) { | |
13822 | if (put_user_u64(inoff, arg2)) { | |
13823 | return -TARGET_EFAULT; | |
13824 | } | |
13825 | } | |
13826 | if (arg4) { | |
13827 | if (put_user_u64(outoff, arg4)) { | |
13828 | return -TARGET_EFAULT; | |
13829 | } | |
13830 | } | |
13831 | } | |
13832 | } | |
13833 | return ret; | |
13834 | #endif | |
13835 | ||
e10fbe8f YT |
13836 | #if defined(TARGET_NR_pivot_root) |
13837 | case TARGET_NR_pivot_root: | |
13838 | { | |
13839 | void *p2; | |
13840 | p = lock_user_string(arg1); /* new_root */ | |
13841 | p2 = lock_user_string(arg2); /* put_old */ | |
13842 | if (!p || !p2) { | |
13843 | ret = -TARGET_EFAULT; | |
13844 | } else { | |
13845 | ret = get_errno(pivot_root(p, p2)); | |
13846 | } | |
13847 | unlock_user(p2, arg2, 0); | |
13848 | unlock_user(p, arg1, 0); | |
13849 | } | |
13850 | return ret; | |
13851 | #endif | |
13852 | ||
9e1c7d98 RE |
13853 | #if defined(TARGET_NR_riscv_hwprobe) |
13854 | case TARGET_NR_riscv_hwprobe: | |
13855 | return do_riscv_hwprobe(cpu_env, arg1, arg2, arg3, arg4, arg5); | |
13856 | #endif | |
13857 | ||
31e31b8a | 13858 | default: |
122f9c83 | 13859 | qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); |
72eb7ea8 | 13860 | return -TARGET_ENOSYS; |
31e31b8a | 13861 | } |
31e31b8a FB |
13862 | return ret; |
13863 | } | |
dc1ce18b | 13864 | |
a0939b89 | 13865 | abi_long do_syscall(CPUArchState *cpu_env, int num, abi_long arg1, |
dc1ce18b RH |
13866 | abi_long arg2, abi_long arg3, abi_long arg4, |
13867 | abi_long arg5, abi_long arg6, abi_long arg7, | |
13868 | abi_long arg8) | |
13869 | { | |
29a0af61 | 13870 | CPUState *cpu = env_cpu(cpu_env); |
dc1ce18b RH |
13871 | abi_long ret; |
13872 | ||
13873 | #ifdef DEBUG_ERESTARTSYS | |
13874 | /* Debug-only code for exercising the syscall-restart code paths | |
13875 | * in the per-architecture cpu main loops: restart every syscall | |
13876 | * the guest makes once before letting it through. | |
13877 | */ | |
13878 | { | |
13879 | static bool flag; | |
13880 | flag = !flag; | |
13881 | if (flag) { | |
af254a27 | 13882 | return -QEMU_ERESTARTSYS; |
dc1ce18b RH |
13883 | } |
13884 | } | |
13885 | #endif | |
13886 | ||
c36f7a64 EC |
13887 | record_syscall_start(cpu, num, arg1, |
13888 | arg2, arg3, arg4, arg5, arg6, arg7, arg8); | |
dc1ce18b | 13889 | |
4b25a506 | 13890 | if (unlikely(qemu_loglevel_mask(LOG_STRACE))) { |
e400e119 | 13891 | print_syscall(cpu_env, num, arg1, arg2, arg3, arg4, arg5, arg6); |
4b25a506 JK |
13892 | } |
13893 | ||
13894 | ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4, | |
13895 | arg5, arg6, arg7, arg8); | |
13896 | ||
13897 | if (unlikely(qemu_loglevel_mask(LOG_STRACE))) { | |
e400e119 FB |
13898 | print_syscall_ret(cpu_env, num, ret, arg1, arg2, |
13899 | arg3, arg4, arg5, arg6); | |
dc1ce18b RH |
13900 | } |
13901 | ||
c36f7a64 | 13902 | record_syscall_return(cpu, num, ret); |
dc1ce18b RH |
13903 | return ret; |
13904 | } |