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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" |
31e31b8a FB |
25 | #include <elf.h> |
26 | #include <endian.h> | |
c56dc774 | 27 | #include <grp.h> |
d08d3bb8 TS |
28 | #include <sys/ipc.h> |
29 | #include <sys/msg.h> | |
31e31b8a | 30 | #include <sys/wait.h> |
31e31b8a | 31 | #include <sys/mount.h> |
586b0bef JS |
32 | #include <sys/file.h> |
33 | #include <sys/fsuid.h> | |
34 | #include <sys/personality.h> | |
39b9aae1 | 35 | #include <sys/prctl.h> |
31e31b8a | 36 | #include <sys/resource.h> |
31e31b8a | 37 | #include <sys/swap.h> |
e0eb210e | 38 | #include <linux/capability.h> |
31e31b8a | 39 | #include <sched.h> |
19f59bce | 40 | #include <sys/timex.h> |
31e31b8a | 41 | #include <sys/socket.h> |
6d5d5dde | 42 | #include <linux/sockios.h> |
607175e0 | 43 | #include <sys/un.h> |
31e31b8a | 44 | #include <sys/uio.h> |
0839f11c | 45 | #include <poll.h> |
32f36bce | 46 | #include <sys/times.h> |
8853f86e | 47 | #include <sys/shm.h> |
fa294816 | 48 | #include <sys/sem.h> |
56c8f68f | 49 | #include <sys/statfs.h> |
ebc05488 | 50 | #include <utime.h> |
a5448a7d | 51 | #include <sys/sysinfo.h> |
e36800c9 | 52 | #include <sys/signalfd.h> |
72f03900 | 53 | //#include <sys/user.h> |
8853f86e | 54 | #include <netinet/ip.h> |
7854b056 | 55 | #include <netinet/tcp.h> |
86fcd946 | 56 | #include <linux/wireless.h> |
920394db | 57 | #include <linux/icmp.h> |
ee1ac3a1 HD |
58 | #include <linux/icmpv6.h> |
59 | #include <linux/errqueue.h> | |
d6d6d6fe | 60 | #include <linux/random.h> |
d80a1905 RV |
61 | #ifdef CONFIG_TIMERFD |
62 | #include <sys/timerfd.h> | |
63 | #endif | |
c2882b96 RV |
64 | #ifdef CONFIG_EVENTFD |
65 | #include <sys/eventfd.h> | |
66 | #endif | |
3b6edd16 PM |
67 | #ifdef CONFIG_EPOLL |
68 | #include <sys/epoll.h> | |
69 | #endif | |
a790ae38 | 70 | #ifdef CONFIG_ATTR |
1de7afc9 | 71 | #include "qemu/xattr.h" |
a790ae38 | 72 | #endif |
a8fd1aba PM |
73 | #ifdef CONFIG_SENDFILE |
74 | #include <sys/sendfile.h> | |
75 | #endif | |
bd27e675 AM |
76 | #ifdef CONFIG_KCOV |
77 | #include <sys/kcov.h> | |
78 | #endif | |
31e31b8a FB |
79 | |
80 | #define termios host_termios | |
81 | #define winsize host_winsize | |
82 | #define termio host_termio | |
04369ff2 FB |
83 | #define sgttyb host_sgttyb /* same as target */ |
84 | #define tchars host_tchars /* same as target */ | |
85 | #define ltchars host_ltchars /* same as target */ | |
31e31b8a FB |
86 | |
87 | #include <linux/termios.h> | |
88 | #include <linux/unistd.h> | |
31e31b8a FB |
89 | #include <linux/cdrom.h> |
90 | #include <linux/hdreg.h> | |
91 | #include <linux/soundcard.h> | |
19b84f3c | 92 | #include <linux/kd.h> |
8fbd6b52 | 93 | #include <linux/mtio.h> |
350d1779 | 94 | #include <linux/fs.h> |
ab22b4dd | 95 | #include <linux/fd.h> |
dace20dc | 96 | #if defined(CONFIG_FIEMAP) |
285da2b9 | 97 | #include <linux/fiemap.h> |
dace20dc | 98 | #endif |
f7680a55 | 99 | #include <linux/fb.h> |
6c753a63 CT |
100 | #if defined(CONFIG_USBFS) |
101 | #include <linux/usbdevice_fs.h> | |
a133367e | 102 | #include <linux/usb/ch9.h> |
6c753a63 | 103 | #endif |
f7680a55 | 104 | #include <linux/vt.h> |
56e904ec | 105 | #include <linux/dm-ioctl.h> |
c07ecc68 | 106 | #include <linux/reboot.h> |
7ff7b666 | 107 | #include <linux/route.h> |
f57d4192 | 108 | #include <linux/filter.h> |
fff8c539 | 109 | #include <linux/blkpg.h> |
a82ea939 | 110 | #include <netpacket/packet.h> |
6c5b5645 | 111 | #include <linux/netlink.h> |
f31dddd2 | 112 | #include <linux/if_alg.h> |
68365f96 | 113 | #include <linux/rtc.h> |
1c4c6fcd | 114 | #include <sound/asound.h> |
d6092e08 FB |
115 | #ifdef CONFIG_BTRFS |
116 | #include <linux/btrfs.h> | |
117 | #endif | |
e865b97f CG |
118 | #ifdef HAVE_DRM_H |
119 | #include <libdrm/drm.h> | |
913b03c2 | 120 | #include <libdrm/i915_drm.h> |
e865b97f | 121 | #endif |
d7e4036e | 122 | #include "linux_loop.h" |
18cb0088 | 123 | #include "uname.h" |
31e31b8a | 124 | |
3ef693a0 | 125 | #include "qemu.h" |
5ebdd774 | 126 | #include "qemu/guest-random.h" |
01ef6b9e | 127 | #include "qemu/selfmap.h" |
c36f7a64 | 128 | #include "user/syscall-trace.h" |
51977e25 | 129 | #include "qapi/error.h" |
f7e6a401 | 130 | #include "fd-trans.h" |
dcb32f1d | 131 | #include "tcg/tcg.h" |
31e31b8a | 132 | |
5ea2fc84 PM |
133 | #ifndef CLONE_IO |
134 | #define CLONE_IO 0x80000000 /* Clone io context */ | |
135 | #endif | |
136 | ||
137 | /* We can't directly call the host clone syscall, because this will | |
138 | * badly confuse libc (breaking mutexes, for example). So we must | |
139 | * divide clone flags into: | |
140 | * * flag combinations that look like pthread_create() | |
141 | * * flag combinations that look like fork() | |
142 | * * flags we can implement within QEMU itself | |
143 | * * flags we can't support and will return an error for | |
144 | */ | |
145 | /* For thread creation, all these flags must be present; for | |
146 | * fork, none must be present. | |
147 | */ | |
148 | #define CLONE_THREAD_FLAGS \ | |
149 | (CLONE_VM | CLONE_FS | CLONE_FILES | \ | |
150 | CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM) | |
151 | ||
152 | /* These flags are ignored: | |
153 | * CLONE_DETACHED is now ignored by the kernel; | |
154 | * CLONE_IO is just an optimisation hint to the I/O scheduler | |
155 | */ | |
156 | #define CLONE_IGNORED_FLAGS \ | |
157 | (CLONE_DETACHED | CLONE_IO) | |
158 | ||
159 | /* Flags for fork which we can implement within QEMU itself */ | |
160 | #define CLONE_OPTIONAL_FORK_FLAGS \ | |
161 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
162 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID) | |
163 | ||
164 | /* Flags for thread creation which we can implement within QEMU itself */ | |
165 | #define CLONE_OPTIONAL_THREAD_FLAGS \ | |
166 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
167 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT) | |
168 | ||
169 | #define CLONE_INVALID_FORK_FLAGS \ | |
170 | (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS)) | |
171 | ||
172 | #define CLONE_INVALID_THREAD_FLAGS \ | |
173 | (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \ | |
174 | CLONE_IGNORED_FLAGS)) | |
175 | ||
176 | /* CLONE_VFORK is special cased early in do_fork(). The other flag bits | |
177 | * have almost all been allocated. We cannot support any of | |
178 | * CLONE_NEWNS, CLONE_NEWCGROUP, CLONE_NEWUTS, CLONE_NEWIPC, | |
179 | * CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_PTRACE, CLONE_UNTRACED. | |
180 | * The checks against the invalid thread masks above will catch these. | |
181 | * (The one remaining unallocated bit is 0x1000 which used to be CLONE_PID.) | |
182 | */ | |
30813cea | 183 | |
71a8f7fe TB |
184 | /* Define DEBUG_ERESTARTSYS to force every syscall to be restarted |
185 | * once. This exercises the codepaths for restart. | |
186 | */ | |
187 | //#define DEBUG_ERESTARTSYS | |
31e31b8a | 188 | |
1a9353d2 | 189 | //#include <linux/msdos_fs.h> |
6556a833 AJ |
190 | #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
191 | #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) | |
1a9353d2 | 192 | |
70a194b9 FB |
193 | #undef _syscall0 |
194 | #undef _syscall1 | |
195 | #undef _syscall2 | |
196 | #undef _syscall3 | |
197 | #undef _syscall4 | |
198 | #undef _syscall5 | |
83fcb515 | 199 | #undef _syscall6 |
70a194b9 | 200 | |
83fcb515 | 201 | #define _syscall0(type,name) \ |
8fcd3692 | 202 | static type name (void) \ |
83fcb515 FB |
203 | { \ |
204 | return syscall(__NR_##name); \ | |
205 | } | |
70a194b9 | 206 | |
83fcb515 | 207 | #define _syscall1(type,name,type1,arg1) \ |
8fcd3692 | 208 | static type name (type1 arg1) \ |
83fcb515 FB |
209 | { \ |
210 | return syscall(__NR_##name, arg1); \ | |
70a194b9 FB |
211 | } |
212 | ||
83fcb515 | 213 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
8fcd3692 | 214 | static type name (type1 arg1,type2 arg2) \ |
83fcb515 FB |
215 | { \ |
216 | return syscall(__NR_##name, arg1, arg2); \ | |
70a194b9 FB |
217 | } |
218 | ||
83fcb515 | 219 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
8fcd3692 | 220 | static type name (type1 arg1,type2 arg2,type3 arg3) \ |
83fcb515 FB |
221 | { \ |
222 | return syscall(__NR_##name, arg1, arg2, arg3); \ | |
70a194b9 FB |
223 | } |
224 | ||
83fcb515 | 225 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
8fcd3692 | 226 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
83fcb515 FB |
227 | { \ |
228 | return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
70a194b9 FB |
229 | } |
230 | ||
83fcb515 FB |
231 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
232 | type5,arg5) \ | |
8fcd3692 | 233 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
83fcb515 FB |
234 | { \ |
235 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
70a194b9 FB |
236 | } |
237 | ||
83fcb515 FB |
238 | |
239 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ | |
240 | type5,arg5,type6,arg6) \ | |
8fcd3692 BS |
241 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ |
242 | type6 arg6) \ | |
83fcb515 FB |
243 | { \ |
244 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
70a194b9 | 245 | } |
83fcb515 | 246 | |
70a194b9 | 247 | |
31e31b8a | 248 | #define __NR_sys_uname __NR_uname |
72f03900 | 249 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 250 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 251 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 252 | #define __NR_sys_getpriority __NR_getpriority |
66fb9763 | 253 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
cf8b8bfc | 254 | #define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo |
7494b0f9 | 255 | #define __NR_sys_syslog __NR_syslog |
14690296 AF |
256 | #if defined(__NR_futex) |
257 | # define __NR_sys_futex __NR_futex | |
258 | #endif | |
259 | #if defined(__NR_futex_time64) | |
260 | # define __NR_sys_futex_time64 __NR_futex_time64 | |
261 | #endif | |
39b59763 AJ |
262 | #define __NR_sys_inotify_init __NR_inotify_init |
263 | #define __NR_sys_inotify_add_watch __NR_inotify_add_watch | |
264 | #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch | |
efa92184 | 265 | #define __NR_sys_statx __NR_statx |
31e31b8a | 266 | |
b1cef6d0 | 267 | #if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__) |
9af9eaaa FB |
268 | #define __NR__llseek __NR_lseek |
269 | #endif | |
270 | ||
a29e5ba2 JH |
271 | /* Newer kernel ports have llseek() instead of _llseek() */ |
272 | #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek) | |
273 | #define TARGET_NR__llseek TARGET_NR_llseek | |
274 | #endif | |
275 | ||
71ba74f6 DB |
276 | #define __NR_sys_gettid __NR_gettid |
277 | _syscall0(int, sys_gettid) | |
2b3f64cb PM |
278 | |
279 | /* For the 64-bit guest on 32-bit host case we must emulate | |
280 | * getdents using getdents64, because otherwise the host | |
281 | * might hand us back more dirent records than we can fit | |
282 | * into the guest buffer after structure format conversion. | |
283 | * Otherwise we emulate getdents with getdents if the host has it. | |
284 | */ | |
285 | #if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS | |
286 | #define EMULATE_GETDENTS_WITH_GETDENTS | |
287 | #endif | |
288 | ||
289 | #if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS) | |
3b3f24ad | 290 | _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
3307e236 | 291 | #endif |
2b3f64cb PM |
292 | #if (defined(TARGET_NR_getdents) && \ |
293 | !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \ | |
3307e236 | 294 | (defined(TARGET_NR_getdents64) && defined(__NR_getdents64)) |
3b3f24ad AJ |
295 | _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
296 | #endif | |
d35b261c | 297 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
3b3f24ad AJ |
298 | _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
299 | loff_t *, res, uint, wh); | |
300 | #endif | |
c1a402a7 | 301 | _syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo) |
cf8b8bfc MS |
302 | _syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig, |
303 | siginfo_t *, uinfo) | |
3b3f24ad | 304 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) |
3b3f24ad AJ |
305 | #ifdef __NR_exit_group |
306 | _syscall1(int,exit_group,int,error_code) | |
307 | #endif | |
308 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) | |
309 | _syscall1(int,set_tid_address,int *,tidptr) | |
310 | #endif | |
14690296 | 311 | #if defined(__NR_futex) |
3b3f24ad AJ |
312 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, |
313 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
314 | #endif | |
14690296 AF |
315 | #if defined(__NR_futex_time64) |
316 | _syscall6(int,sys_futex_time64,int *,uaddr,int,op,int,val, | |
317 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
318 | #endif | |
737de1d1 MF |
319 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
320 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
321 | unsigned long *, user_mask_ptr); | |
322 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
323 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
324 | unsigned long *, user_mask_ptr); | |
b827c3ed ST |
325 | #define __NR_sys_getcpu __NR_getcpu |
326 | _syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache); | |
0f6b4d21 AG |
327 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
328 | void *, arg); | |
e0eb210e PM |
329 | _syscall2(int, capget, struct __user_cap_header_struct *, header, |
330 | struct __user_cap_data_struct *, data); | |
331 | _syscall2(int, capset, struct __user_cap_header_struct *, header, | |
332 | struct __user_cap_data_struct *, data); | |
ab31cda3 PB |
333 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
334 | _syscall2(int, ioprio_get, int, which, int, who) | |
335 | #endif | |
336 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
337 | _syscall3(int, ioprio_set, int, which, int, who, int, ioprio) | |
338 | #endif | |
f894efd1 LV |
339 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
340 | _syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags) | |
341 | #endif | |
3b3f24ad | 342 | |
2f14788c LV |
343 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
344 | _syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type, | |
345 | unsigned long, idx1, unsigned long, idx2) | |
346 | #endif | |
347 | ||
efa92184 AR |
348 | /* |
349 | * It is assumed that struct statx is architecture independent. | |
350 | */ | |
351 | #if defined(TARGET_NR_statx) && defined(__NR_statx) | |
352 | _syscall5(int, sys_statx, int, dirfd, const char *, pathname, int, flags, | |
353 | unsigned int, mask, struct target_statx *, statxbuf) | |
354 | #endif | |
8500476f AS |
355 | #if defined(TARGET_NR_membarrier) && defined(__NR_membarrier) |
356 | _syscall2(int, membarrier, int, cmd, int, flags) | |
357 | #endif | |
efa92184 | 358 | |
3b3f24ad AJ |
359 | static bitmask_transtbl fcntl_flags_tbl[] = { |
360 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, | |
361 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
362 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
363 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
364 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
365 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
366 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
367 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 368 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
369 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
370 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
371 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
372 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
373 | #if defined(O_DIRECT) |
374 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
375 | #endif |
376 | #if defined(O_NOATIME) | |
377 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
378 | #endif | |
379 | #if defined(O_CLOEXEC) | |
380 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
381 | #endif | |
382 | #if defined(O_PATH) | |
383 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
5f9cee46 RV |
384 | #endif |
385 | #if defined(O_TMPFILE) | |
386 | { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE }, | |
afc8763f RH |
387 | #endif |
388 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
389 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
390 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad AJ |
391 | #endif |
392 | { 0, 0, 0, 0 } | |
393 | }; | |
394 | ||
0f6bb195 | 395 | _syscall2(int, sys_getcwd1, char *, buf, size_t, size) |
3b3f24ad | 396 | |
cac46eb0 | 397 | #if defined(TARGET_NR_utimensat) || defined(TARGET_NR_utimensat_time64) |
700fa58e | 398 | #if defined(__NR_utimensat) |
1acae9f2 | 399 | #define __NR_sys_utimensat __NR_utimensat |
9007f0ef TS |
400 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
401 | const struct timespec *,tsp,int,flags) | |
1acae9f2 PM |
402 | #else |
403 | static int sys_utimensat(int dirfd, const char *pathname, | |
404 | const struct timespec times[2], int flags) | |
405 | { | |
406 | errno = ENOSYS; | |
407 | return -1; | |
408 | } | |
9007f0ef | 409 | #endif |
1acae9f2 | 410 | #endif /* TARGET_NR_utimensat */ |
3b3f24ad | 411 | |
95d0307c AS |
412 | #ifdef TARGET_NR_renameat2 |
413 | #if defined(__NR_renameat2) | |
414 | #define __NR_sys_renameat2 __NR_renameat2 | |
415 | _syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd, | |
416 | const char *, new, unsigned int, flags) | |
417 | #else | |
418 | static int sys_renameat2(int oldfd, const char *old, | |
419 | int newfd, const char *new, int flags) | |
420 | { | |
421 | if (flags == 0) { | |
422 | return renameat(oldfd, old, newfd, new); | |
423 | } | |
424 | errno = ENOSYS; | |
425 | return -1; | |
426 | } | |
427 | #endif | |
428 | #endif /* TARGET_NR_renameat2 */ | |
429 | ||
3b3f24ad | 430 | #ifdef CONFIG_INOTIFY |
8690e420 | 431 | #include <sys/inotify.h> |
3b3f24ad | 432 | |
39b59763 | 433 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
3b3f24ad AJ |
434 | static int sys_inotify_init(void) |
435 | { | |
436 | return (inotify_init()); | |
437 | } | |
39b59763 AJ |
438 | #endif |
439 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) | |
3b3f24ad AJ |
440 | static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
441 | { | |
442 | return (inotify_add_watch(fd, pathname, mask)); | |
443 | } | |
39b59763 AJ |
444 | #endif |
445 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) | |
3b3f24ad AJ |
446 | static int sys_inotify_rm_watch(int fd, int32_t wd) |
447 | { | |
8690e420 | 448 | return (inotify_rm_watch(fd, wd)); |
3b3f24ad | 449 | } |
bd0c5661 | 450 | #endif |
c05c7a73 RV |
451 | #ifdef CONFIG_INOTIFY1 |
452 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) | |
453 | static int sys_inotify_init1(int flags) | |
454 | { | |
455 | return (inotify_init1(flags)); | |
456 | } | |
457 | #endif | |
458 | #endif | |
3b3f24ad AJ |
459 | #else |
460 | /* Userspace can usually survive runtime without inotify */ | |
461 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 462 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
463 | #undef TARGET_NR_inotify_add_watch |
464 | #undef TARGET_NR_inotify_rm_watch | |
465 | #endif /* CONFIG_INOTIFY */ | |
466 | ||
163a05a8 PM |
467 | #if defined(TARGET_NR_prlimit64) |
468 | #ifndef __NR_prlimit64 | |
469 | # define __NR_prlimit64 -1 | |
470 | #endif | |
471 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
472 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
473 | struct host_rlimit64 { | |
474 | uint64_t rlim_cur; | |
475 | uint64_t rlim_max; | |
476 | }; | |
477 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
478 | const struct host_rlimit64 *, new_limit, | |
479 | struct host_rlimit64 *, old_limit) | |
480 | #endif | |
481 | ||
f4f1e10a ECL |
482 | |
483 | #if defined(TARGET_NR_timer_create) | |
6f9ff551 | 484 | /* Maximum of 32 active POSIX timers allowed at any one time. */ |
f4f1e10a ECL |
485 | static timer_t g_posix_timers[32] = { 0, } ; |
486 | ||
487 | static inline int next_free_host_timer(void) | |
488 | { | |
489 | int k ; | |
490 | /* FIXME: Does finding the next free slot require a lock? */ | |
491 | for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) { | |
492 | if (g_posix_timers[k] == 0) { | |
493 | g_posix_timers[k] = (timer_t) 1; | |
494 | return k; | |
495 | } | |
496 | } | |
497 | return -1; | |
498 | } | |
499 | #endif | |
500 | ||
b92c47c1 TS |
501 | #define ERRNO_TABLE_SIZE 1200 |
502 | ||
503 | /* target_to_host_errno_table[] is initialized from | |
504 | * host_to_target_errno_table[] in syscall_init(). */ | |
505 | static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { | |
506 | }; | |
507 | ||
637947f1 | 508 | /* |
fe8f096b | 509 | * This list is the union of errno values overridden in asm-<arch>/errno.h |
637947f1 TS |
510 | * minus the errnos that are not actually generic to all archs. |
511 | */ | |
b92c47c1 | 512 | static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { |
08703b9f | 513 | [EAGAIN] = TARGET_EAGAIN, |
637947f1 TS |
514 | [EIDRM] = TARGET_EIDRM, |
515 | [ECHRNG] = TARGET_ECHRNG, | |
516 | [EL2NSYNC] = TARGET_EL2NSYNC, | |
517 | [EL3HLT] = TARGET_EL3HLT, | |
518 | [EL3RST] = TARGET_EL3RST, | |
519 | [ELNRNG] = TARGET_ELNRNG, | |
520 | [EUNATCH] = TARGET_EUNATCH, | |
521 | [ENOCSI] = TARGET_ENOCSI, | |
522 | [EL2HLT] = TARGET_EL2HLT, | |
523 | [EDEADLK] = TARGET_EDEADLK, | |
524 | [ENOLCK] = TARGET_ENOLCK, | |
525 | [EBADE] = TARGET_EBADE, | |
526 | [EBADR] = TARGET_EBADR, | |
527 | [EXFULL] = TARGET_EXFULL, | |
528 | [ENOANO] = TARGET_ENOANO, | |
529 | [EBADRQC] = TARGET_EBADRQC, | |
530 | [EBADSLT] = TARGET_EBADSLT, | |
531 | [EBFONT] = TARGET_EBFONT, | |
532 | [ENOSTR] = TARGET_ENOSTR, | |
533 | [ENODATA] = TARGET_ENODATA, | |
534 | [ETIME] = TARGET_ETIME, | |
535 | [ENOSR] = TARGET_ENOSR, | |
536 | [ENONET] = TARGET_ENONET, | |
537 | [ENOPKG] = TARGET_ENOPKG, | |
538 | [EREMOTE] = TARGET_EREMOTE, | |
539 | [ENOLINK] = TARGET_ENOLINK, | |
540 | [EADV] = TARGET_EADV, | |
541 | [ESRMNT] = TARGET_ESRMNT, | |
542 | [ECOMM] = TARGET_ECOMM, | |
543 | [EPROTO] = TARGET_EPROTO, | |
544 | [EDOTDOT] = TARGET_EDOTDOT, | |
545 | [EMULTIHOP] = TARGET_EMULTIHOP, | |
546 | [EBADMSG] = TARGET_EBADMSG, | |
547 | [ENAMETOOLONG] = TARGET_ENAMETOOLONG, | |
548 | [EOVERFLOW] = TARGET_EOVERFLOW, | |
549 | [ENOTUNIQ] = TARGET_ENOTUNIQ, | |
550 | [EBADFD] = TARGET_EBADFD, | |
551 | [EREMCHG] = TARGET_EREMCHG, | |
552 | [ELIBACC] = TARGET_ELIBACC, | |
553 | [ELIBBAD] = TARGET_ELIBBAD, | |
554 | [ELIBSCN] = TARGET_ELIBSCN, | |
555 | [ELIBMAX] = TARGET_ELIBMAX, | |
556 | [ELIBEXEC] = TARGET_ELIBEXEC, | |
557 | [EILSEQ] = TARGET_EILSEQ, | |
558 | [ENOSYS] = TARGET_ENOSYS, | |
559 | [ELOOP] = TARGET_ELOOP, | |
560 | [ERESTART] = TARGET_ERESTART, | |
561 | [ESTRPIPE] = TARGET_ESTRPIPE, | |
562 | [ENOTEMPTY] = TARGET_ENOTEMPTY, | |
563 | [EUSERS] = TARGET_EUSERS, | |
564 | [ENOTSOCK] = TARGET_ENOTSOCK, | |
565 | [EDESTADDRREQ] = TARGET_EDESTADDRREQ, | |
566 | [EMSGSIZE] = TARGET_EMSGSIZE, | |
567 | [EPROTOTYPE] = TARGET_EPROTOTYPE, | |
568 | [ENOPROTOOPT] = TARGET_ENOPROTOOPT, | |
569 | [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, | |
570 | [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, | |
571 | [EOPNOTSUPP] = TARGET_EOPNOTSUPP, | |
572 | [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, | |
573 | [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, | |
574 | [EADDRINUSE] = TARGET_EADDRINUSE, | |
575 | [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, | |
576 | [ENETDOWN] = TARGET_ENETDOWN, | |
577 | [ENETUNREACH] = TARGET_ENETUNREACH, | |
578 | [ENETRESET] = TARGET_ENETRESET, | |
579 | [ECONNABORTED] = TARGET_ECONNABORTED, | |
580 | [ECONNRESET] = TARGET_ECONNRESET, | |
581 | [ENOBUFS] = TARGET_ENOBUFS, | |
582 | [EISCONN] = TARGET_EISCONN, | |
583 | [ENOTCONN] = TARGET_ENOTCONN, | |
584 | [EUCLEAN] = TARGET_EUCLEAN, | |
585 | [ENOTNAM] = TARGET_ENOTNAM, | |
586 | [ENAVAIL] = TARGET_ENAVAIL, | |
587 | [EISNAM] = TARGET_EISNAM, | |
588 | [EREMOTEIO] = TARGET_EREMOTEIO, | |
0444a3b7 | 589 | [EDQUOT] = TARGET_EDQUOT, |
637947f1 TS |
590 | [ESHUTDOWN] = TARGET_ESHUTDOWN, |
591 | [ETOOMANYREFS] = TARGET_ETOOMANYREFS, | |
592 | [ETIMEDOUT] = TARGET_ETIMEDOUT, | |
593 | [ECONNREFUSED] = TARGET_ECONNREFUSED, | |
594 | [EHOSTDOWN] = TARGET_EHOSTDOWN, | |
595 | [EHOSTUNREACH] = TARGET_EHOSTUNREACH, | |
596 | [EALREADY] = TARGET_EALREADY, | |
597 | [EINPROGRESS] = TARGET_EINPROGRESS, | |
598 | [ESTALE] = TARGET_ESTALE, | |
599 | [ECANCELED] = TARGET_ECANCELED, | |
600 | [ENOMEDIUM] = TARGET_ENOMEDIUM, | |
601 | [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, | |
b7fe5db7 | 602 | #ifdef ENOKEY |
637947f1 | 603 | [ENOKEY] = TARGET_ENOKEY, |
b7fe5db7 TS |
604 | #endif |
605 | #ifdef EKEYEXPIRED | |
637947f1 | 606 | [EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
b7fe5db7 TS |
607 | #endif |
608 | #ifdef EKEYREVOKED | |
637947f1 | 609 | [EKEYREVOKED] = TARGET_EKEYREVOKED, |
b7fe5db7 TS |
610 | #endif |
611 | #ifdef EKEYREJECTED | |
637947f1 | 612 | [EKEYREJECTED] = TARGET_EKEYREJECTED, |
b7fe5db7 TS |
613 | #endif |
614 | #ifdef EOWNERDEAD | |
637947f1 | 615 | [EOWNERDEAD] = TARGET_EOWNERDEAD, |
b7fe5db7 TS |
616 | #endif |
617 | #ifdef ENOTRECOVERABLE | |
637947f1 | 618 | [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
b7fe5db7 | 619 | #endif |
da39db63 AM |
620 | #ifdef ENOMSG |
621 | [ENOMSG] = TARGET_ENOMSG, | |
622 | #endif | |
fe8ed7d5 RH |
623 | #ifdef ERKFILL |
624 | [ERFKILL] = TARGET_ERFKILL, | |
625 | #endif | |
626 | #ifdef EHWPOISON | |
627 | [EHWPOISON] = TARGET_EHWPOISON, | |
628 | #endif | |
b92c47c1 | 629 | }; |
637947f1 TS |
630 | |
631 | static inline int host_to_target_errno(int err) | |
632 | { | |
2466119c TB |
633 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
634 | host_to_target_errno_table[err]) { | |
637947f1 | 635 | return host_to_target_errno_table[err]; |
2466119c | 636 | } |
637947f1 TS |
637 | return err; |
638 | } | |
639 | ||
b92c47c1 TS |
640 | static inline int target_to_host_errno(int err) |
641 | { | |
2466119c TB |
642 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
643 | target_to_host_errno_table[err]) { | |
b92c47c1 | 644 | return target_to_host_errno_table[err]; |
2466119c | 645 | } |
b92c47c1 TS |
646 | return err; |
647 | } | |
648 | ||
992f48a0 | 649 | static inline abi_long get_errno(abi_long ret) |
31e31b8a FB |
650 | { |
651 | if (ret == -1) | |
637947f1 | 652 | return -host_to_target_errno(errno); |
31e31b8a FB |
653 | else |
654 | return ret; | |
655 | } | |
656 | ||
7dcdaeaf | 657 | const char *target_strerror(int err) |
b92c47c1 | 658 | { |
da2a34f7 PM |
659 | if (err == TARGET_ERESTARTSYS) { |
660 | return "To be restarted"; | |
661 | } | |
662 | if (err == TARGET_QEMU_ESIGRETURN) { | |
663 | return "Successful exit from sigreturn"; | |
664 | } | |
665 | ||
962b289e AG |
666 | if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
667 | return NULL; | |
668 | } | |
b92c47c1 TS |
669 | return strerror(target_to_host_errno(err)); |
670 | } | |
671 | ||
4d330cee TB |
672 | #define safe_syscall0(type, name) \ |
673 | static type safe_##name(void) \ | |
674 | { \ | |
675 | return safe_syscall(__NR_##name); \ | |
676 | } | |
677 | ||
678 | #define safe_syscall1(type, name, type1, arg1) \ | |
679 | static type safe_##name(type1 arg1) \ | |
680 | { \ | |
681 | return safe_syscall(__NR_##name, arg1); \ | |
682 | } | |
683 | ||
684 | #define safe_syscall2(type, name, type1, arg1, type2, arg2) \ | |
685 | static type safe_##name(type1 arg1, type2 arg2) \ | |
686 | { \ | |
687 | return safe_syscall(__NR_##name, arg1, arg2); \ | |
688 | } | |
689 | ||
690 | #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ | |
691 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \ | |
692 | { \ | |
693 | return safe_syscall(__NR_##name, arg1, arg2, arg3); \ | |
694 | } | |
695 | ||
696 | #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
697 | type4, arg4) \ | |
698 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ | |
699 | { \ | |
700 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
701 | } | |
702 | ||
703 | #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
704 | type4, arg4, type5, arg5) \ | |
705 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
706 | type5 arg5) \ | |
707 | { \ | |
708 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
709 | } | |
710 | ||
711 | #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
712 | type4, arg4, type5, arg5, type6, arg6) \ | |
713 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
714 | type5 arg5, type6 arg6) \ | |
715 | { \ | |
716 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
717 | } | |
718 | ||
50afd02b TB |
719 | safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count) |
720 | safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count) | |
c10a0738 TB |
721 | safe_syscall4(int, openat, int, dirfd, const char *, pathname, \ |
722 | int, flags, mode_t, mode) | |
859e8a89 | 723 | #if defined(TARGET_NR_wait4) || defined(TARGET_NR_waitpid) |
4af80a37 TB |
724 | safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \ |
725 | struct rusage *, rusage) | |
859e8a89 | 726 | #endif |
4af80a37 TB |
727 | safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \ |
728 | int, options, struct rusage *, rusage) | |
ffdcbe22 | 729 | safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp) |
859e8a89 | 730 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \ |
e5ce9688 | 731 | defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64) |
6df9d38d PM |
732 | safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \ |
733 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig) | |
859e8a89 | 734 | #endif |
e5ce9688 | 735 | #if defined(TARGET_NR_ppoll) || defined(TARGET_NR_ppoll_time64) |
a6130237 PM |
736 | safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds, |
737 | struct timespec *, tsp, const sigset_t *, sigmask, | |
738 | size_t, sigsetsize) | |
859e8a89 | 739 | #endif |
227f0214 PM |
740 | safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events, |
741 | int, maxevents, int, timeout, const sigset_t *, sigmask, | |
742 | size_t, sigsetsize) | |
14690296 | 743 | #if defined(__NR_futex) |
d509eeb1 PM |
744 | safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \ |
745 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
859e8a89 | 746 | #endif |
14690296 AF |
747 | #if defined(__NR_futex_time64) |
748 | safe_syscall6(int,futex_time64,int *,uaddr,int,op,int,val, \ | |
749 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
750 | #endif | |
2fe4fba1 | 751 | safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize) |
bef653d9 PM |
752 | safe_syscall2(int, kill, pid_t, pid, int, sig) |
753 | safe_syscall2(int, tkill, int, tid, int, sig) | |
754 | safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig) | |
918c03ed PM |
755 | safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt) |
756 | safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt) | |
0f26386c DJ |
757 | safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt, |
758 | unsigned long, pos_l, unsigned long, pos_h) | |
f8d00fba DJ |
759 | safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt, |
760 | unsigned long, pos_l, unsigned long, pos_h) | |
2a3c7619 PM |
761 | safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr, |
762 | socklen_t, addrlen) | |
66687530 PM |
763 | safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len, |
764 | int, flags, const struct sockaddr *, addr, socklen_t, addrlen) | |
765 | safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len, | |
766 | int, flags, struct sockaddr *, addr, socklen_t *, addrlen) | |
767 | safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags) | |
768 | safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags) | |
2a845989 | 769 | safe_syscall2(int, flock, int, fd, int, operation) |
ddcbde15 | 770 | #if defined(TARGET_NR_rt_sigtimedwait) || defined(TARGET_NR_rt_sigtimedwait_time64) |
b3f82330 PM |
771 | safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo, |
772 | const struct timespec *, uts, size_t, sigsetsize) | |
859e8a89 | 773 | #endif |
ff6dc130 PM |
774 | safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len, |
775 | int, flags) | |
859e8a89 | 776 | #if defined(TARGET_NR_nanosleep) |
9e518226 PM |
777 | safe_syscall2(int, nanosleep, const struct timespec *, req, |
778 | struct timespec *, rem) | |
859e8a89 | 779 | #endif |
6ac03b2c FB |
780 | #if defined(TARGET_NR_clock_nanosleep) || \ |
781 | defined(TARGET_NR_clock_nanosleep_time64) | |
9e518226 PM |
782 | safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags, |
783 | const struct timespec *, req, struct timespec *, rem) | |
784 | #endif | |
524fa340 | 785 | #ifdef __NR_ipc |
d8c08b1e MK |
786 | #ifdef __s390x__ |
787 | safe_syscall5(int, ipc, int, call, long, first, long, second, long, third, | |
788 | void *, ptr) | |
789 | #else | |
89f9fe44 PM |
790 | safe_syscall6(int, ipc, int, call, long, first, long, second, long, third, |
791 | void *, ptr, long, fifth) | |
86e63695 | 792 | #endif |
d8c08b1e | 793 | #endif |
86e63695 LV |
794 | #ifdef __NR_msgsnd |
795 | safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz, | |
796 | int, flags) | |
86e63695 LV |
797 | #endif |
798 | #ifdef __NR_msgrcv | |
799 | safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz, | |
800 | long, msgtype, int, flags) | |
86e63695 LV |
801 | #endif |
802 | #ifdef __NR_semtimedop | |
803 | safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops, | |
804 | unsigned, nsops, const struct timespec *, timeout) | |
89f9fe44 | 805 | #endif |
d107e375 FB |
806 | #if defined(TARGET_NR_mq_timedsend) || \ |
807 | defined(TARGET_NR_mq_timedsend_time64) | |
d40ecd66 PM |
808 | safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr, |
809 | size_t, len, unsigned, prio, const struct timespec *, timeout) | |
859e8a89 | 810 | #endif |
d107e375 FB |
811 | #if defined(TARGET_NR_mq_timedreceive) || \ |
812 | defined(TARGET_NR_mq_timedreceive_time64) | |
d40ecd66 PM |
813 | safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr, |
814 | size_t, len, unsigned *, prio, const struct timespec *, timeout) | |
815 | #endif | |
49ca6f3e PM |
816 | /* We do ioctl like this rather than via safe_syscall3 to preserve the |
817 | * "third argument might be integer or pointer or not present" behaviour of | |
818 | * the libc function. | |
819 | */ | |
820 | #define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__) | |
435da5e7 PM |
821 | /* Similarly for fcntl. Note that callers must always: |
822 | * pass the F_GETLK64 etc constants rather than the unsuffixed F_GETLK | |
823 | * use the flock64 struct rather than unsuffixed flock | |
824 | * This will then work and use a 64-bit offset for both 32-bit and 64-bit hosts. | |
825 | */ | |
826 | #ifdef __NR_fcntl64 | |
827 | #define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__) | |
828 | #else | |
829 | #define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__) | |
830 | #endif | |
50afd02b | 831 | |
8289d112 PB |
832 | static inline int host_to_target_sock_type(int host_type) |
833 | { | |
834 | int target_type; | |
835 | ||
836 | switch (host_type & 0xf /* SOCK_TYPE_MASK */) { | |
837 | case SOCK_DGRAM: | |
838 | target_type = TARGET_SOCK_DGRAM; | |
839 | break; | |
840 | case SOCK_STREAM: | |
841 | target_type = TARGET_SOCK_STREAM; | |
842 | break; | |
843 | default: | |
844 | target_type = host_type & 0xf /* SOCK_TYPE_MASK */; | |
845 | break; | |
846 | } | |
847 | ||
848 | #if defined(SOCK_CLOEXEC) | |
849 | if (host_type & SOCK_CLOEXEC) { | |
850 | target_type |= TARGET_SOCK_CLOEXEC; | |
851 | } | |
852 | #endif | |
853 | ||
854 | #if defined(SOCK_NONBLOCK) | |
855 | if (host_type & SOCK_NONBLOCK) { | |
856 | target_type |= TARGET_SOCK_NONBLOCK; | |
857 | } | |
858 | #endif | |
859 | ||
860 | return target_type; | |
861 | } | |
862 | ||
992f48a0 BS |
863 | static abi_ulong target_brk; |
864 | static abi_ulong target_original_brk; | |
4d1de87c | 865 | static abi_ulong brk_page; |
31e31b8a | 866 | |
992f48a0 | 867 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 868 | { |
4c1de73d | 869 | target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
4d1de87c | 870 | brk_page = HOST_PAGE_ALIGN(target_brk); |
31e31b8a FB |
871 | } |
872 | ||
4d1de87c CV |
873 | //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0) |
874 | #define DEBUGF_BRK(message, args...) | |
875 | ||
0da46a6e | 876 | /* do_brk() must return target values and target errnos. */ |
992f48a0 | 877 | abi_long do_brk(abi_ulong new_brk) |
31e31b8a | 878 | { |
992f48a0 | 879 | abi_long mapped_addr; |
ef4330c2 | 880 | abi_ulong new_alloc_size; |
31e31b8a | 881 | |
3a0c6c4a | 882 | DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
4d1de87c CV |
883 | |
884 | if (!new_brk) { | |
3a0c6c4a | 885 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk); |
53a5960a | 886 | return target_brk; |
4d1de87c CV |
887 | } |
888 | if (new_brk < target_original_brk) { | |
3a0c6c4a PB |
889 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n", |
890 | target_brk); | |
7ab240ad | 891 | return target_brk; |
4d1de87c | 892 | } |
3b46e624 | 893 | |
4d1de87c CV |
894 | /* If the new brk is less than the highest page reserved to the |
895 | * target heap allocation, set it and we're almost done... */ | |
896 | if (new_brk <= brk_page) { | |
897 | /* Heap contents are initialized to zero, as for anonymous | |
898 | * mapped pages. */ | |
899 | if (new_brk > target_brk) { | |
900 | memset(g2h(target_brk), 0, new_brk - target_brk); | |
901 | } | |
31e31b8a | 902 | target_brk = new_brk; |
3a0c6c4a | 903 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk); |
72e21db7 | 904 | return target_brk; |
31e31b8a FB |
905 | } |
906 | ||
00faf08c PM |
907 | /* We need to allocate more memory after the brk... Note that |
908 | * we don't use MAP_FIXED because that will map over the top of | |
909 | * any existing mapping (like the one with the host libc or qemu | |
910 | * itself); instead we treat "mapped but at wrong address" as | |
911 | * a failure and unmap again. | |
912 | */ | |
4d1de87c | 913 | new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
5fafdf24 | 914 | mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
54936004 | 915 | PROT_READ|PROT_WRITE, |
00faf08c PM |
916 | MAP_ANON|MAP_PRIVATE, 0, 0)); |
917 | ||
918 | if (mapped_addr == brk_page) { | |
70afc343 CV |
919 | /* Heap contents are initialized to zero, as for anonymous |
920 | * mapped pages. Technically the new pages are already | |
921 | * initialized to zero since they *are* anonymous mapped | |
922 | * pages, however we have to take care with the contents that | |
923 | * come from the remaining part of the previous page: it may | |
924 | * contains garbage data due to a previous heap usage (grown | |
925 | * then shrunken). */ | |
926 | memset(g2h(target_brk), 0, brk_page - target_brk); | |
927 | ||
00faf08c | 928 | target_brk = new_brk; |
4d1de87c | 929 | brk_page = HOST_PAGE_ALIGN(target_brk); |
3a0c6c4a PB |
930 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n", |
931 | target_brk); | |
00faf08c PM |
932 | return target_brk; |
933 | } else if (mapped_addr != -1) { | |
934 | /* Mapped but at wrong address, meaning there wasn't actually | |
935 | * enough space for this brk. | |
936 | */ | |
937 | target_munmap(mapped_addr, new_alloc_size); | |
938 | mapped_addr = -1; | |
3a0c6c4a | 939 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk); |
4d1de87c CV |
940 | } |
941 | else { | |
3a0c6c4a | 942 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk); |
00faf08c | 943 | } |
7ab240ad | 944 | |
7dd46c02 RH |
945 | #if defined(TARGET_ALPHA) |
946 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
947 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 948 | return -TARGET_ENOMEM; |
7dd46c02 | 949 | #endif |
00faf08c | 950 | /* For everything else, return the previous break. */ |
7ab240ad | 951 | return target_brk; |
31e31b8a FB |
952 | } |
953 | ||
859e8a89 | 954 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \ |
e5ce9688 | 955 | defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64) |
26edcf41 TS |
956 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
957 | abi_ulong target_fds_addr, | |
958 | int n) | |
31e31b8a | 959 | { |
26edcf41 TS |
960 | int i, nw, j, k; |
961 | abi_ulong b, *target_fds; | |
962 | ||
b1b2db29 | 963 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
964 | if (!(target_fds = lock_user(VERIFY_READ, |
965 | target_fds_addr, | |
966 | sizeof(abi_ulong) * nw, | |
967 | 1))) | |
968 | return -TARGET_EFAULT; | |
969 | ||
970 | FD_ZERO(fds); | |
971 | k = 0; | |
972 | for (i = 0; i < nw; i++) { | |
973 | /* grab the abi_ulong */ | |
974 | __get_user(b, &target_fds[i]); | |
975 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
976 | /* check the bit inside the abi_ulong */ | |
977 | if ((b >> j) & 1) | |
978 | FD_SET(k, fds); | |
979 | k++; | |
31e31b8a | 980 | } |
31e31b8a | 981 | } |
26edcf41 TS |
982 | |
983 | unlock_user(target_fds, target_fds_addr, 0); | |
984 | ||
985 | return 0; | |
31e31b8a FB |
986 | } |
987 | ||
055e0906 MF |
988 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
989 | abi_ulong target_fds_addr, | |
990 | int n) | |
991 | { | |
992 | if (target_fds_addr) { | |
993 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
994 | return -TARGET_EFAULT; | |
995 | *fds_ptr = fds; | |
996 | } else { | |
997 | *fds_ptr = NULL; | |
998 | } | |
999 | return 0; | |
1000 | } | |
1001 | ||
26edcf41 TS |
1002 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
1003 | const fd_set *fds, | |
1004 | int n) | |
31e31b8a | 1005 | { |
31e31b8a | 1006 | int i, nw, j, k; |
992f48a0 | 1007 | abi_long v; |
26edcf41 | 1008 | abi_ulong *target_fds; |
31e31b8a | 1009 | |
b1b2db29 | 1010 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
1011 | if (!(target_fds = lock_user(VERIFY_WRITE, |
1012 | target_fds_addr, | |
1013 | sizeof(abi_ulong) * nw, | |
1014 | 0))) | |
1015 | return -TARGET_EFAULT; | |
1016 | ||
1017 | k = 0; | |
1018 | for (i = 0; i < nw; i++) { | |
1019 | v = 0; | |
1020 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
9ab709be | 1021 | v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j); |
26edcf41 | 1022 | k++; |
31e31b8a | 1023 | } |
26edcf41 | 1024 | __put_user(v, &target_fds[i]); |
31e31b8a | 1025 | } |
26edcf41 TS |
1026 | |
1027 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
1028 | ||
1029 | return 0; | |
31e31b8a | 1030 | } |
859e8a89 | 1031 | #endif |
31e31b8a | 1032 | |
c596ed17 FB |
1033 | #if defined(__alpha__) |
1034 | #define HOST_HZ 1024 | |
1035 | #else | |
1036 | #define HOST_HZ 100 | |
1037 | #endif | |
1038 | ||
992f48a0 | 1039 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
1040 | { |
1041 | #if HOST_HZ == TARGET_HZ | |
1042 | return ticks; | |
1043 | #else | |
1044 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
1045 | #endif | |
1046 | } | |
1047 | ||
579a97f7 FB |
1048 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
1049 | const struct rusage *rusage) | |
b409186b | 1050 | { |
53a5960a PB |
1051 | struct target_rusage *target_rusage; |
1052 | ||
579a97f7 FB |
1053 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
1054 | return -TARGET_EFAULT; | |
cbb21eed MB |
1055 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
1056 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
1057 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
1058 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
1059 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
1060 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
1061 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
1062 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
1063 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
1064 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
1065 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
1066 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
1067 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
1068 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
1069 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
1070 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
1071 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
1072 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 1073 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
1074 | |
1075 | return 0; | |
b409186b FB |
1076 | } |
1077 | ||
859e8a89 | 1078 | #ifdef TARGET_NR_setrlimit |
cbb21eed | 1079 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 1080 | { |
cbb21eed | 1081 | abi_ulong target_rlim_swap; |
95b33b2f WT |
1082 | rlim_t result; |
1083 | ||
cbb21eed MB |
1084 | target_rlim_swap = tswapal(target_rlim); |
1085 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
1086 | return RLIM_INFINITY; | |
1087 | ||
1088 | result = target_rlim_swap; | |
1089 | if (target_rlim_swap != (rlim_t)result) | |
1090 | return RLIM_INFINITY; | |
95b33b2f WT |
1091 | |
1092 | return result; | |
81bbe906 | 1093 | } |
859e8a89 | 1094 | #endif |
81bbe906 | 1095 | |
859e8a89 | 1096 | #if defined(TARGET_NR_getrlimit) || defined(TARGET_NR_ugetrlimit) |
cbb21eed | 1097 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 1098 | { |
cbb21eed MB |
1099 | abi_ulong target_rlim_swap; |
1100 | abi_ulong result; | |
95b33b2f | 1101 | |
cbb21eed | 1102 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 1103 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 1104 | else |
95b33b2f | 1105 | target_rlim_swap = rlim; |
cbb21eed | 1106 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
1107 | |
1108 | return result; | |
81bbe906 | 1109 | } |
859e8a89 | 1110 | #endif |
81bbe906 | 1111 | |
e22b7015 WT |
1112 | static inline int target_to_host_resource(int code) |
1113 | { | |
1114 | switch (code) { | |
1115 | case TARGET_RLIMIT_AS: | |
1116 | return RLIMIT_AS; | |
1117 | case TARGET_RLIMIT_CORE: | |
1118 | return RLIMIT_CORE; | |
1119 | case TARGET_RLIMIT_CPU: | |
1120 | return RLIMIT_CPU; | |
1121 | case TARGET_RLIMIT_DATA: | |
1122 | return RLIMIT_DATA; | |
1123 | case TARGET_RLIMIT_FSIZE: | |
1124 | return RLIMIT_FSIZE; | |
1125 | case TARGET_RLIMIT_LOCKS: | |
1126 | return RLIMIT_LOCKS; | |
1127 | case TARGET_RLIMIT_MEMLOCK: | |
1128 | return RLIMIT_MEMLOCK; | |
1129 | case TARGET_RLIMIT_MSGQUEUE: | |
1130 | return RLIMIT_MSGQUEUE; | |
1131 | case TARGET_RLIMIT_NICE: | |
1132 | return RLIMIT_NICE; | |
1133 | case TARGET_RLIMIT_NOFILE: | |
1134 | return RLIMIT_NOFILE; | |
1135 | case TARGET_RLIMIT_NPROC: | |
1136 | return RLIMIT_NPROC; | |
1137 | case TARGET_RLIMIT_RSS: | |
1138 | return RLIMIT_RSS; | |
1139 | case TARGET_RLIMIT_RTPRIO: | |
1140 | return RLIMIT_RTPRIO; | |
1141 | case TARGET_RLIMIT_SIGPENDING: | |
1142 | return RLIMIT_SIGPENDING; | |
1143 | case TARGET_RLIMIT_STACK: | |
1144 | return RLIMIT_STACK; | |
1145 | default: | |
1146 | return code; | |
1147 | } | |
1148 | } | |
1149 | ||
788f5ec4 TS |
1150 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
1151 | abi_ulong target_tv_addr) | |
31e31b8a | 1152 | { |
53a5960a PB |
1153 | struct target_timeval *target_tv; |
1154 | ||
6d5d5dde | 1155 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) { |
579a97f7 | 1156 | return -TARGET_EFAULT; |
6d5d5dde | 1157 | } |
788f5ec4 TS |
1158 | |
1159 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1160 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1161 | ||
1162 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
1163 | |
1164 | return 0; | |
31e31b8a FB |
1165 | } |
1166 | ||
788f5ec4 TS |
1167 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
1168 | const struct timeval *tv) | |
31e31b8a | 1169 | { |
53a5960a PB |
1170 | struct target_timeval *target_tv; |
1171 | ||
6d5d5dde DB |
1172 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) { |
1173 | return -TARGET_EFAULT; | |
1174 | } | |
1175 | ||
1176 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1177 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1178 | ||
1179 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
1180 | ||
1181 | return 0; | |
1182 | } | |
1183 | ||
6ac03b2c FB |
1184 | #if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME) |
1185 | static inline abi_long copy_from_user_timeval64(struct timeval *tv, | |
1186 | abi_ulong target_tv_addr) | |
1187 | { | |
1188 | struct target__kernel_sock_timeval *target_tv; | |
1189 | ||
1190 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) { | |
1191 | return -TARGET_EFAULT; | |
1192 | } | |
1193 | ||
1194 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1195 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1196 | ||
1197 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
1198 | ||
1199 | return 0; | |
1200 | } | |
1201 | #endif | |
1202 | ||
6d5d5dde | 1203 | static inline abi_long copy_to_user_timeval64(abi_ulong target_tv_addr, |
6ac03b2c | 1204 | const struct timeval *tv) |
6d5d5dde DB |
1205 | { |
1206 | struct target__kernel_sock_timeval *target_tv; | |
1207 | ||
1208 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) { | |
579a97f7 | 1209 | return -TARGET_EFAULT; |
6d5d5dde | 1210 | } |
788f5ec4 TS |
1211 | |
1212 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1213 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1214 | ||
1215 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
1216 | |
1217 | return 0; | |
31e31b8a FB |
1218 | } |
1219 | ||
859e8a89 AF |
1220 | #if defined(TARGET_NR_futex) || \ |
1221 | defined(TARGET_NR_rt_sigtimedwait) || \ | |
1222 | defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6) || \ | |
1223 | defined(TARGET_NR_nanosleep) || defined(TARGET_NR_clock_settime) || \ | |
1224 | defined(TARGET_NR_utimensat) || defined(TARGET_NR_mq_timedsend) || \ | |
d8c08b1e | 1225 | defined(TARGET_NR_mq_timedreceive) || defined(TARGET_NR_ipc) || \ |
2c86c90f FB |
1226 | defined(TARGET_NR_semop) || defined(TARGET_NR_semtimedop) || \ |
1227 | defined(TARGET_NR_timer_settime) || \ | |
1228 | (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)) | |
6d5d5dde DB |
1229 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
1230 | abi_ulong target_addr) | |
1231 | { | |
1232 | struct target_timespec *target_ts; | |
1233 | ||
1234 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) { | |
1235 | return -TARGET_EFAULT; | |
1236 | } | |
1237 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1238 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1239 | unlock_user_struct(target_ts, target_addr, 0); | |
1240 | return 0; | |
1241 | } | |
859e8a89 | 1242 | #endif |
6d5d5dde | 1243 | |
828cb3a1 FB |
1244 | #if defined(TARGET_NR_clock_settime64) || defined(TARGET_NR_futex_time64) || \ |
1245 | defined(TARGET_NR_timer_settime64) || \ | |
d107e375 FB |
1246 | defined(TARGET_NR_mq_timedsend_time64) || \ |
1247 | defined(TARGET_NR_mq_timedreceive_time64) || \ | |
6ac03b2c | 1248 | (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)) || \ |
ddcbde15 | 1249 | defined(TARGET_NR_clock_nanosleep_time64) || \ |
cac46eb0 FB |
1250 | defined(TARGET_NR_rt_sigtimedwait_time64) || \ |
1251 | defined(TARGET_NR_utimensat) || \ | |
1252 | defined(TARGET_NR_utimensat_time64) || \ | |
e5ce9688 FB |
1253 | defined(TARGET_NR_semtimedop_time64) || \ |
1254 | defined(TARGET_NR_pselect6_time64) || defined(TARGET_NR_ppoll_time64) | |
c6c8d102 AF |
1255 | static inline abi_long target_to_host_timespec64(struct timespec *host_ts, |
1256 | abi_ulong target_addr) | |
1257 | { | |
1258 | struct target__kernel_timespec *target_ts; | |
1259 | ||
1260 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) { | |
1261 | return -TARGET_EFAULT; | |
1262 | } | |
1263 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1264 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
00576757 LV |
1265 | /* in 32bit mode, this drops the padding */ |
1266 | host_ts->tv_nsec = (long)(abi_long)host_ts->tv_nsec; | |
c6c8d102 AF |
1267 | unlock_user_struct(target_ts, target_addr, 0); |
1268 | return 0; | |
1269 | } | |
1270 | #endif | |
1271 | ||
6d5d5dde DB |
1272 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
1273 | struct timespec *host_ts) | |
1274 | { | |
1275 | struct target_timespec *target_ts; | |
1276 | ||
1277 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) { | |
1278 | return -TARGET_EFAULT; | |
1279 | } | |
1280 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1281 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1282 | unlock_user_struct(target_ts, target_addr, 1); | |
1283 | return 0; | |
1284 | } | |
1285 | ||
1286 | static inline abi_long host_to_target_timespec64(abi_ulong target_addr, | |
1287 | struct timespec *host_ts) | |
1288 | { | |
1289 | struct target__kernel_timespec *target_ts; | |
1290 | ||
1291 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) { | |
1292 | return -TARGET_EFAULT; | |
1293 | } | |
1294 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1295 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1296 | unlock_user_struct(target_ts, target_addr, 1); | |
1297 | return 0; | |
1298 | } | |
1299 | ||
a52f5f87 RH |
1300 | #if defined(TARGET_NR_gettimeofday) |
1301 | static inline abi_long copy_to_user_timezone(abi_ulong target_tz_addr, | |
1302 | struct timezone *tz) | |
1303 | { | |
1304 | struct target_timezone *target_tz; | |
1305 | ||
1306 | if (!lock_user_struct(VERIFY_WRITE, target_tz, target_tz_addr, 1)) { | |
1307 | return -TARGET_EFAULT; | |
1308 | } | |
1309 | ||
1310 | __put_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1311 | __put_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1312 | ||
1313 | unlock_user_struct(target_tz, target_tz_addr, 1); | |
1314 | ||
1315 | return 0; | |
1316 | } | |
1317 | #endif | |
1318 | ||
859e8a89 | 1319 | #if defined(TARGET_NR_settimeofday) |
ef4467e9 PB |
1320 | static inline abi_long copy_from_user_timezone(struct timezone *tz, |
1321 | abi_ulong target_tz_addr) | |
1322 | { | |
1323 | struct target_timezone *target_tz; | |
1324 | ||
1325 | if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) { | |
1326 | return -TARGET_EFAULT; | |
1327 | } | |
1328 | ||
1329 | __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1330 | __get_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1331 | ||
1332 | unlock_user_struct(target_tz, target_tz_addr, 0); | |
1333 | ||
1334 | return 0; | |
1335 | } | |
859e8a89 | 1336 | #endif |
ef4467e9 | 1337 | |
8ec9cf89 NF |
1338 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
1339 | #include <mqueue.h> | |
1340 | ||
24e1003a AJ |
1341 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
1342 | abi_ulong target_mq_attr_addr) | |
1343 | { | |
1344 | struct target_mq_attr *target_mq_attr; | |
1345 | ||
1346 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
1347 | target_mq_attr_addr, 1)) | |
1348 | return -TARGET_EFAULT; | |
1349 | ||
1350 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1351 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1352 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1353 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1354 | ||
1355 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
1356 | ||
1357 | return 0; | |
1358 | } | |
1359 | ||
1360 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
1361 | const struct mq_attr *attr) | |
1362 | { | |
1363 | struct target_mq_attr *target_mq_attr; | |
1364 | ||
1365 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
1366 | target_mq_attr_addr, 0)) | |
1367 | return -TARGET_EFAULT; | |
1368 | ||
1369 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1370 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1371 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1372 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1373 | ||
1374 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
1375 | ||
1376 | return 0; | |
1377 | } | |
8ec9cf89 | 1378 | #endif |
31e31b8a | 1379 | |
055e0906 | 1380 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 1381 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 1382 | static abi_long do_select(int n, |
26edcf41 TS |
1383 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
1384 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
1385 | { |
1386 | fd_set rfds, wfds, efds; | |
1387 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6df9d38d PM |
1388 | struct timeval tv; |
1389 | struct timespec ts, *ts_ptr; | |
992f48a0 | 1390 | abi_long ret; |
31e31b8a | 1391 | |
055e0906 MF |
1392 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
1393 | if (ret) { | |
1394 | return ret; | |
53a5960a | 1395 | } |
055e0906 MF |
1396 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
1397 | if (ret) { | |
1398 | return ret; | |
53a5960a | 1399 | } |
055e0906 MF |
1400 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
1401 | if (ret) { | |
1402 | return ret; | |
53a5960a | 1403 | } |
3b46e624 | 1404 | |
26edcf41 | 1405 | if (target_tv_addr) { |
788f5ec4 TS |
1406 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
1407 | return -TARGET_EFAULT; | |
6df9d38d PM |
1408 | ts.tv_sec = tv.tv_sec; |
1409 | ts.tv_nsec = tv.tv_usec * 1000; | |
1410 | ts_ptr = &ts; | |
31e31b8a | 1411 | } else { |
6df9d38d | 1412 | ts_ptr = NULL; |
31e31b8a | 1413 | } |
26edcf41 | 1414 | |
6df9d38d PM |
1415 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
1416 | ts_ptr, NULL)); | |
53a5960a | 1417 | |
26edcf41 TS |
1418 | if (!is_error(ret)) { |
1419 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
1420 | return -TARGET_EFAULT; | |
1421 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
1422 | return -TARGET_EFAULT; | |
1423 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
1424 | return -TARGET_EFAULT; | |
31e31b8a | 1425 | |
6df9d38d PM |
1426 | if (target_tv_addr) { |
1427 | tv.tv_sec = ts.tv_sec; | |
1428 | tv.tv_usec = ts.tv_nsec / 1000; | |
1429 | if (copy_to_user_timeval(target_tv_addr, &tv)) { | |
1430 | return -TARGET_EFAULT; | |
1431 | } | |
1432 | } | |
31e31b8a | 1433 | } |
579a97f7 | 1434 | |
31e31b8a FB |
1435 | return ret; |
1436 | } | |
5457dc9e LV |
1437 | |
1438 | #if defined(TARGET_WANT_OLD_SYS_SELECT) | |
1439 | static abi_long do_old_select(abi_ulong arg1) | |
1440 | { | |
1441 | struct target_sel_arg_struct *sel; | |
1442 | abi_ulong inp, outp, exp, tvp; | |
1443 | long nsel; | |
1444 | ||
1445 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) { | |
1446 | return -TARGET_EFAULT; | |
1447 | } | |
1448 | ||
1449 | nsel = tswapal(sel->n); | |
1450 | inp = tswapal(sel->inp); | |
1451 | outp = tswapal(sel->outp); | |
1452 | exp = tswapal(sel->exp); | |
1453 | tvp = tswapal(sel->tvp); | |
1454 | ||
1455 | unlock_user_struct(sel, arg1, 0); | |
1456 | ||
1457 | return do_select(nsel, inp, outp, exp, tvp); | |
1458 | } | |
1459 | #endif | |
055e0906 | 1460 | #endif |
31e31b8a | 1461 | |
e5ce9688 FB |
1462 | #if defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6_time64) |
1463 | static abi_long do_pselect6(abi_long arg1, abi_long arg2, abi_long arg3, | |
1464 | abi_long arg4, abi_long arg5, abi_long arg6, | |
1465 | bool time64) | |
1466 | { | |
1467 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
1468 | fd_set rfds, wfds, efds; | |
1469 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
1470 | struct timespec ts, *ts_ptr; | |
1471 | abi_long ret; | |
1472 | ||
1473 | /* | |
1474 | * The 6th arg is actually two args smashed together, | |
1475 | * so we cannot use the C library. | |
1476 | */ | |
1477 | sigset_t set; | |
1478 | struct { | |
1479 | sigset_t *set; | |
1480 | size_t size; | |
1481 | } sig, *sig_ptr; | |
1482 | ||
1483 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
1484 | target_sigset_t *target_sigset; | |
1485 | ||
1486 | n = arg1; | |
1487 | rfd_addr = arg2; | |
1488 | wfd_addr = arg3; | |
1489 | efd_addr = arg4; | |
1490 | ts_addr = arg5; | |
1491 | ||
1492 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
1493 | if (ret) { | |
1494 | return ret; | |
1495 | } | |
1496 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
1497 | if (ret) { | |
1498 | return ret; | |
1499 | } | |
1500 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
1501 | if (ret) { | |
1502 | return ret; | |
1503 | } | |
1504 | ||
1505 | /* | |
1506 | * This takes a timespec, and not a timeval, so we cannot | |
1507 | * use the do_select() helper ... | |
1508 | */ | |
1509 | if (ts_addr) { | |
1510 | if (time64) { | |
1511 | if (target_to_host_timespec64(&ts, ts_addr)) { | |
1512 | return -TARGET_EFAULT; | |
1513 | } | |
1514 | } else { | |
1515 | if (target_to_host_timespec(&ts, ts_addr)) { | |
1516 | return -TARGET_EFAULT; | |
1517 | } | |
1518 | } | |
1519 | ts_ptr = &ts; | |
1520 | } else { | |
1521 | ts_ptr = NULL; | |
1522 | } | |
1523 | ||
1524 | /* Extract the two packed args for the sigset */ | |
1525 | if (arg6) { | |
1526 | sig_ptr = &sig; | |
1527 | sig.size = SIGSET_T_SIZE; | |
1528 | ||
1529 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); | |
1530 | if (!arg7) { | |
1531 | return -TARGET_EFAULT; | |
1532 | } | |
1533 | arg_sigset = tswapal(arg7[0]); | |
1534 | arg_sigsize = tswapal(arg7[1]); | |
1535 | unlock_user(arg7, arg6, 0); | |
1536 | ||
1537 | if (arg_sigset) { | |
1538 | sig.set = &set; | |
1539 | if (arg_sigsize != sizeof(*target_sigset)) { | |
1540 | /* Like the kernel, we enforce correct size sigsets */ | |
1541 | return -TARGET_EINVAL; | |
1542 | } | |
1543 | target_sigset = lock_user(VERIFY_READ, arg_sigset, | |
1544 | sizeof(*target_sigset), 1); | |
1545 | if (!target_sigset) { | |
1546 | return -TARGET_EFAULT; | |
1547 | } | |
1548 | target_to_host_sigset(&set, target_sigset); | |
1549 | unlock_user(target_sigset, arg_sigset, 0); | |
1550 | } else { | |
1551 | sig.set = NULL; | |
1552 | } | |
1553 | } else { | |
1554 | sig_ptr = NULL; | |
1555 | } | |
1556 | ||
1557 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, | |
1558 | ts_ptr, sig_ptr)); | |
1559 | ||
1560 | if (!is_error(ret)) { | |
1561 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) { | |
1562 | return -TARGET_EFAULT; | |
1563 | } | |
1564 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) { | |
1565 | return -TARGET_EFAULT; | |
1566 | } | |
1567 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) { | |
1568 | return -TARGET_EFAULT; | |
1569 | } | |
1570 | if (time64) { | |
1571 | if (ts_addr && host_to_target_timespec64(ts_addr, &ts)) { | |
1572 | return -TARGET_EFAULT; | |
1573 | } | |
1574 | } else { | |
1575 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) { | |
1576 | return -TARGET_EFAULT; | |
1577 | } | |
1578 | } | |
1579 | } | |
1580 | return ret; | |
1581 | } | |
1582 | #endif | |
1583 | ||
1584 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) || \ | |
1585 | defined(TARGET_NR_ppoll_time64) | |
1586 | static abi_long do_ppoll(abi_long arg1, abi_long arg2, abi_long arg3, | |
1587 | abi_long arg4, abi_long arg5, bool ppoll, bool time64) | |
1588 | { | |
1589 | struct target_pollfd *target_pfd; | |
1590 | unsigned int nfds = arg2; | |
1591 | struct pollfd *pfd; | |
1592 | unsigned int i; | |
1593 | abi_long ret; | |
1594 | ||
1595 | pfd = NULL; | |
1596 | target_pfd = NULL; | |
1597 | if (nfds) { | |
1598 | if (nfds > (INT_MAX / sizeof(struct target_pollfd))) { | |
1599 | return -TARGET_EINVAL; | |
1600 | } | |
1601 | target_pfd = lock_user(VERIFY_WRITE, arg1, | |
1602 | sizeof(struct target_pollfd) * nfds, 1); | |
1603 | if (!target_pfd) { | |
1604 | return -TARGET_EFAULT; | |
1605 | } | |
1606 | ||
1607 | pfd = alloca(sizeof(struct pollfd) * nfds); | |
1608 | for (i = 0; i < nfds; i++) { | |
1609 | pfd[i].fd = tswap32(target_pfd[i].fd); | |
1610 | pfd[i].events = tswap16(target_pfd[i].events); | |
1611 | } | |
1612 | } | |
1613 | if (ppoll) { | |
1614 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; | |
1615 | target_sigset_t *target_set; | |
1616 | sigset_t _set, *set = &_set; | |
1617 | ||
1618 | if (arg3) { | |
1619 | if (time64) { | |
1620 | if (target_to_host_timespec64(timeout_ts, arg3)) { | |
1621 | unlock_user(target_pfd, arg1, 0); | |
1622 | return -TARGET_EFAULT; | |
1623 | } | |
1624 | } else { | |
1625 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
1626 | unlock_user(target_pfd, arg1, 0); | |
1627 | return -TARGET_EFAULT; | |
1628 | } | |
1629 | } | |
1630 | } else { | |
1631 | timeout_ts = NULL; | |
1632 | } | |
1633 | ||
1634 | if (arg4) { | |
1635 | if (arg5 != sizeof(target_sigset_t)) { | |
1636 | unlock_user(target_pfd, arg1, 0); | |
1637 | return -TARGET_EINVAL; | |
1638 | } | |
1639 | ||
1640 | target_set = lock_user(VERIFY_READ, arg4, | |
1641 | sizeof(target_sigset_t), 1); | |
1642 | if (!target_set) { | |
1643 | unlock_user(target_pfd, arg1, 0); | |
1644 | return -TARGET_EFAULT; | |
1645 | } | |
1646 | target_to_host_sigset(set, target_set); | |
1647 | } else { | |
1648 | set = NULL; | |
1649 | } | |
1650 | ||
1651 | ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts, | |
1652 | set, SIGSET_T_SIZE)); | |
1653 | ||
1654 | if (!is_error(ret) && arg3) { | |
1655 | if (time64) { | |
1656 | if (host_to_target_timespec64(arg3, timeout_ts)) { | |
1657 | return -TARGET_EFAULT; | |
1658 | } | |
1659 | } else { | |
1660 | if (host_to_target_timespec(arg3, timeout_ts)) { | |
1661 | return -TARGET_EFAULT; | |
1662 | } | |
1663 | } | |
1664 | } | |
1665 | if (arg4) { | |
1666 | unlock_user(target_set, arg4, 0); | |
1667 | } | |
1668 | } else { | |
1669 | struct timespec ts, *pts; | |
1670 | ||
1671 | if (arg3 >= 0) { | |
1672 | /* Convert ms to secs, ns */ | |
1673 | ts.tv_sec = arg3 / 1000; | |
1674 | ts.tv_nsec = (arg3 % 1000) * 1000000LL; | |
1675 | pts = &ts; | |
1676 | } else { | |
1677 | /* -ve poll() timeout means "infinite" */ | |
1678 | pts = NULL; | |
1679 | } | |
1680 | ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0)); | |
1681 | } | |
1682 | ||
1683 | if (!is_error(ret)) { | |
1684 | for (i = 0; i < nfds; i++) { | |
1685 | target_pfd[i].revents = tswap16(pfd[i].revents); | |
1686 | } | |
1687 | } | |
1688 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); | |
1689 | return ret; | |
1690 | } | |
1691 | #endif | |
1692 | ||
099d6b0f RV |
1693 | static abi_long do_pipe2(int host_pipe[], int flags) |
1694 | { | |
1695 | #ifdef CONFIG_PIPE2 | |
1696 | return pipe2(host_pipe, flags); | |
1697 | #else | |
1698 | return -ENOSYS; | |
1699 | #endif | |
1700 | } | |
1701 | ||
fb41a66e RH |
1702 | static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
1703 | int flags, int is_pipe2) | |
099d6b0f RV |
1704 | { |
1705 | int host_pipe[2]; | |
1706 | abi_long ret; | |
1707 | ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); | |
1708 | ||
1709 | if (is_error(ret)) | |
1710 | return get_errno(ret); | |
fb41a66e RH |
1711 | |
1712 | /* Several targets have special calling conventions for the original | |
1713 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1714 | if (!is_pipe2) { | |
1715 | #if defined(TARGET_ALPHA) | |
1716 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1]; | |
1717 | return host_pipe[0]; | |
1718 | #elif defined(TARGET_MIPS) | |
1719 | ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; | |
1720 | return host_pipe[0]; | |
1721 | #elif defined(TARGET_SH4) | |
597c0212 | 1722 | ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
fb41a66e | 1723 | return host_pipe[0]; |
82f05b69 PM |
1724 | #elif defined(TARGET_SPARC) |
1725 | ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1]; | |
1726 | return host_pipe[0]; | |
597c0212 | 1727 | #endif |
fb41a66e RH |
1728 | } |
1729 | ||
099d6b0f RV |
1730 | if (put_user_s32(host_pipe[0], pipedes) |
1731 | || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) | |
1732 | return -TARGET_EFAULT; | |
099d6b0f RV |
1733 | return get_errno(ret); |
1734 | } | |
1735 | ||
b975b83b LL |
1736 | static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1737 | abi_ulong target_addr, | |
1738 | socklen_t len) | |
1739 | { | |
1740 | struct target_ip_mreqn *target_smreqn; | |
1741 | ||
1742 | target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); | |
1743 | if (!target_smreqn) | |
1744 | return -TARGET_EFAULT; | |
1745 | mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
1746 | mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
1747 | if (len == sizeof(struct target_ip_mreqn)) | |
cbb21eed | 1748 | mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
b975b83b LL |
1749 | unlock_user(target_smreqn, target_addr, 0); |
1750 | ||
1751 | return 0; | |
1752 | } | |
1753 | ||
7b36f782 | 1754 | static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr, |
579a97f7 FB |
1755 | abi_ulong target_addr, |
1756 | socklen_t len) | |
7854b056 | 1757 | { |
607175e0 AJ |
1758 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1759 | sa_family_t sa_family; | |
53a5960a PB |
1760 | struct target_sockaddr *target_saddr; |
1761 | ||
7b36f782 LV |
1762 | if (fd_trans_target_to_host_addr(fd)) { |
1763 | return fd_trans_target_to_host_addr(fd)(addr, target_addr, len); | |
1764 | } | |
1765 | ||
579a97f7 FB |
1766 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1767 | if (!target_saddr) | |
1768 | return -TARGET_EFAULT; | |
607175e0 AJ |
1769 | |
1770 | sa_family = tswap16(target_saddr->sa_family); | |
1771 | ||
1772 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1773 | * must be terminated by \0 (see the manual page), but | |
1774 | * unfortunately it is quite common to specify sockaddr_un | |
1775 | * length as "strlen(x->sun_path)" while it should be | |
1776 | * "strlen(...) + 1". We'll fix that here if needed. | |
1777 | * Linux kernel has a similar feature. | |
1778 | */ | |
1779 | ||
1780 | if (sa_family == AF_UNIX) { | |
1781 | if (len < unix_maxlen && len > 0) { | |
1782 | char *cp = (char*)target_saddr; | |
1783 | ||
1784 | if ( cp[len-1] && !cp[len] ) | |
1785 | len++; | |
1786 | } | |
1787 | if (len > unix_maxlen) | |
1788 | len = unix_maxlen; | |
1789 | } | |
1790 | ||
53a5960a | 1791 | memcpy(addr, target_saddr, len); |
607175e0 | 1792 | addr->sa_family = sa_family; |
6c5b5645 LV |
1793 | if (sa_family == AF_NETLINK) { |
1794 | struct sockaddr_nl *nladdr; | |
1795 | ||
1796 | nladdr = (struct sockaddr_nl *)addr; | |
1797 | nladdr->nl_pid = tswap32(nladdr->nl_pid); | |
1798 | nladdr->nl_groups = tswap32(nladdr->nl_groups); | |
1799 | } else if (sa_family == AF_PACKET) { | |
33a29b51 JT |
1800 | struct target_sockaddr_ll *lladdr; |
1801 | ||
1802 | lladdr = (struct target_sockaddr_ll *)addr; | |
1803 | lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex); | |
1804 | lladdr->sll_hatype = tswap16(lladdr->sll_hatype); | |
1805 | } | |
53a5960a | 1806 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1807 | |
1808 | return 0; | |
7854b056 FB |
1809 | } |
1810 | ||
579a97f7 FB |
1811 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1812 | struct sockaddr *addr, | |
1813 | socklen_t len) | |
7854b056 | 1814 | { |
53a5960a PB |
1815 | struct target_sockaddr *target_saddr; |
1816 | ||
a1e22192 PM |
1817 | if (len == 0) { |
1818 | return 0; | |
1819 | } | |
6860710c | 1820 | assert(addr); |
a1e22192 | 1821 | |
579a97f7 FB |
1822 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1823 | if (!target_saddr) | |
1824 | return -TARGET_EFAULT; | |
53a5960a | 1825 | memcpy(target_saddr, addr, len); |
a1e22192 PM |
1826 | if (len >= offsetof(struct target_sockaddr, sa_family) + |
1827 | sizeof(target_saddr->sa_family)) { | |
1828 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1829 | } | |
a47401bc PMD |
1830 | if (addr->sa_family == AF_NETLINK && |
1831 | len >= sizeof(struct target_sockaddr_nl)) { | |
1832 | struct target_sockaddr_nl *target_nl = | |
1833 | (struct target_sockaddr_nl *)target_saddr; | |
6c5b5645 LV |
1834 | target_nl->nl_pid = tswap32(target_nl->nl_pid); |
1835 | target_nl->nl_groups = tswap32(target_nl->nl_groups); | |
a82ea939 LV |
1836 | } else if (addr->sa_family == AF_PACKET) { |
1837 | struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr; | |
1838 | target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex); | |
1839 | target_ll->sll_hatype = tswap16(target_ll->sll_hatype); | |
ee1ac3a1 HD |
1840 | } else if (addr->sa_family == AF_INET6 && |
1841 | len >= sizeof(struct target_sockaddr_in6)) { | |
1842 | struct target_sockaddr_in6 *target_in6 = | |
1843 | (struct target_sockaddr_in6 *)target_saddr; | |
1844 | target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id); | |
6c5b5645 | 1845 | } |
53a5960a | 1846 | unlock_user(target_saddr, target_addr, len); |
579a97f7 FB |
1847 | |
1848 | return 0; | |
7854b056 FB |
1849 | } |
1850 | ||
5a4a898d FB |
1851 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1852 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1853 | { |
1854 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1855 | abi_long msg_controllen; |
1856 | abi_ulong target_cmsg_addr; | |
ee104587 | 1857 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 | 1858 | socklen_t space = 0; |
5a4a898d | 1859 | |
cbb21eed | 1860 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1861 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1862 | goto the_end; | |
cbb21eed | 1863 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1864 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
ee104587 | 1865 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1866 | if (!target_cmsg) |
1867 | return -TARGET_EFAULT; | |
7854b056 FB |
1868 | |
1869 | while (cmsg && target_cmsg) { | |
1870 | void *data = CMSG_DATA(cmsg); | |
1871 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1872 | ||
cbb21eed | 1873 | int len = tswapal(target_cmsg->cmsg_len) |
ad762b99 | 1874 | - sizeof(struct target_cmsghdr); |
7854b056 FB |
1875 | |
1876 | space += CMSG_SPACE(len); | |
1877 | if (space > msgh->msg_controllen) { | |
1878 | space -= CMSG_SPACE(len); | |
c2aeb258 PM |
1879 | /* This is a QEMU bug, since we allocated the payload |
1880 | * area ourselves (unlike overflow in host-to-target | |
1881 | * conversion, which is just the guest giving us a buffer | |
1882 | * that's too small). It can't happen for the payload types | |
1883 | * we currently support; if it becomes an issue in future | |
1884 | * we would need to improve our allocation strategy to | |
1885 | * something more intelligent than "twice the size of the | |
1886 | * target buffer we're reading from". | |
1887 | */ | |
39be5350 JK |
1888 | qemu_log_mask(LOG_UNIMP, |
1889 | ("Unsupported ancillary data %d/%d: " | |
1890 | "unhandled msg size\n"), | |
1891 | tswap32(target_cmsg->cmsg_level), | |
1892 | tswap32(target_cmsg->cmsg_type)); | |
7854b056 FB |
1893 | break; |
1894 | } | |
1895 | ||
dbf4f796 PJ |
1896 | if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) { |
1897 | cmsg->cmsg_level = SOL_SOCKET; | |
1898 | } else { | |
1899 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1900 | } | |
7854b056 FB |
1901 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1902 | cmsg->cmsg_len = CMSG_LEN(len); | |
1903 | ||
30b8b68e | 1904 | if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { |
7854b056 FB |
1905 | int *fd = (int *)data; |
1906 | int *target_fd = (int *)target_data; | |
1907 | int i, numfds = len / sizeof(int); | |
1908 | ||
876e23cb PM |
1909 | for (i = 0; i < numfds; i++) { |
1910 | __get_user(fd[i], target_fd + i); | |
1911 | } | |
30b8b68e AS |
1912 | } else if (cmsg->cmsg_level == SOL_SOCKET |
1913 | && cmsg->cmsg_type == SCM_CREDENTIALS) { | |
1914 | struct ucred *cred = (struct ucred *)data; | |
1915 | struct target_ucred *target_cred = | |
1916 | (struct target_ucred *)target_data; | |
1917 | ||
876e23cb PM |
1918 | __get_user(cred->pid, &target_cred->pid); |
1919 | __get_user(cred->uid, &target_cred->uid); | |
1920 | __get_user(cred->gid, &target_cred->gid); | |
30b8b68e | 1921 | } else { |
39be5350 JK |
1922 | qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n", |
1923 | cmsg->cmsg_level, cmsg->cmsg_type); | |
30b8b68e | 1924 | memcpy(data, target_data, len); |
7854b056 FB |
1925 | } |
1926 | ||
1927 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
ee104587 JN |
1928 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1929 | target_cmsg_start); | |
7854b056 | 1930 | } |
5a4a898d FB |
1931 | unlock_user(target_cmsg, target_cmsg_addr, 0); |
1932 | the_end: | |
7854b056 | 1933 | msgh->msg_controllen = space; |
5a4a898d | 1934 | return 0; |
7854b056 FB |
1935 | } |
1936 | ||
5a4a898d FB |
1937 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1938 | struct msghdr *msgh) | |
7854b056 FB |
1939 | { |
1940 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1941 | abi_long msg_controllen; |
1942 | abi_ulong target_cmsg_addr; | |
ee104587 | 1943 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 FB |
1944 | socklen_t space = 0; |
1945 | ||
cbb21eed | 1946 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1947 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1948 | goto the_end; | |
cbb21eed | 1949 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1950 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
ee104587 | 1951 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1952 | if (!target_cmsg) |
1953 | return -TARGET_EFAULT; | |
1954 | ||
7854b056 FB |
1955 | while (cmsg && target_cmsg) { |
1956 | void *data = CMSG_DATA(cmsg); | |
1957 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1958 | ||
ad762b99 | 1959 | int len = cmsg->cmsg_len - sizeof(struct cmsghdr); |
c2aeb258 | 1960 | int tgt_len, tgt_space; |
7854b056 | 1961 | |
c2aeb258 PM |
1962 | /* We never copy a half-header but may copy half-data; |
1963 | * this is Linux's behaviour in put_cmsg(). Note that | |
1964 | * truncation here is a guest problem (which we report | |
1965 | * to the guest via the CTRUNC bit), unlike truncation | |
1966 | * in target_to_host_cmsg, which is a QEMU bug. | |
1967 | */ | |
7174970a | 1968 | if (msg_controllen < sizeof(struct target_cmsghdr)) { |
c2aeb258 | 1969 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7854b056 FB |
1970 | break; |
1971 | } | |
1972 | ||
dbf4f796 PJ |
1973 | if (cmsg->cmsg_level == SOL_SOCKET) { |
1974 | target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); | |
1975 | } else { | |
1976 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1977 | } | |
7854b056 | 1978 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
7854b056 | 1979 | |
c2aeb258 PM |
1980 | /* Payload types which need a different size of payload on |
1981 | * the target must adjust tgt_len here. | |
1982 | */ | |
309786cf | 1983 | tgt_len = len; |
c2aeb258 PM |
1984 | switch (cmsg->cmsg_level) { |
1985 | case SOL_SOCKET: | |
1986 | switch (cmsg->cmsg_type) { | |
1987 | case SO_TIMESTAMP: | |
1988 | tgt_len = sizeof(struct target_timeval); | |
1989 | break; | |
1990 | default: | |
1991 | break; | |
1992 | } | |
309786cf | 1993 | break; |
c2aeb258 PM |
1994 | default: |
1995 | break; | |
1996 | } | |
1997 | ||
7174970a | 1998 | if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) { |
c2aeb258 | 1999 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7174970a | 2000 | tgt_len = msg_controllen - sizeof(struct target_cmsghdr); |
c2aeb258 PM |
2001 | } |
2002 | ||
2003 | /* We must now copy-and-convert len bytes of payload | |
2004 | * into tgt_len bytes of destination space. Bear in mind | |
2005 | * that in both source and destination we may be dealing | |
2006 | * with a truncated value! | |
2007 | */ | |
52b65494 HD |
2008 | switch (cmsg->cmsg_level) { |
2009 | case SOL_SOCKET: | |
2010 | switch (cmsg->cmsg_type) { | |
2011 | case SCM_RIGHTS: | |
2012 | { | |
2013 | int *fd = (int *)data; | |
2014 | int *target_fd = (int *)target_data; | |
c2aeb258 | 2015 | int i, numfds = tgt_len / sizeof(int); |
52b65494 | 2016 | |
876e23cb PM |
2017 | for (i = 0; i < numfds; i++) { |
2018 | __put_user(fd[i], target_fd + i); | |
2019 | } | |
52b65494 HD |
2020 | break; |
2021 | } | |
2022 | case SO_TIMESTAMP: | |
2023 | { | |
2024 | struct timeval *tv = (struct timeval *)data; | |
2025 | struct target_timeval *target_tv = | |
2026 | (struct target_timeval *)target_data; | |
2027 | ||
c2aeb258 PM |
2028 | if (len != sizeof(struct timeval) || |
2029 | tgt_len != sizeof(struct target_timeval)) { | |
52b65494 | 2030 | goto unimplemented; |
c2aeb258 | 2031 | } |
52b65494 HD |
2032 | |
2033 | /* copy struct timeval to target */ | |
876e23cb PM |
2034 | __put_user(tv->tv_sec, &target_tv->tv_sec); |
2035 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
52b65494 HD |
2036 | break; |
2037 | } | |
4bc29756 HD |
2038 | case SCM_CREDENTIALS: |
2039 | { | |
2040 | struct ucred *cred = (struct ucred *)data; | |
2041 | struct target_ucred *target_cred = | |
2042 | (struct target_ucred *)target_data; | |
2043 | ||
2044 | __put_user(cred->pid, &target_cred->pid); | |
2045 | __put_user(cred->uid, &target_cred->uid); | |
2046 | __put_user(cred->gid, &target_cred->gid); | |
2047 | break; | |
2048 | } | |
52b65494 HD |
2049 | default: |
2050 | goto unimplemented; | |
2051 | } | |
2052 | break; | |
7854b056 | 2053 | |
ee1ac3a1 HD |
2054 | case SOL_IP: |
2055 | switch (cmsg->cmsg_type) { | |
2056 | case IP_TTL: | |
2057 | { | |
2058 | uint32_t *v = (uint32_t *)data; | |
2059 | uint32_t *t_int = (uint32_t *)target_data; | |
2060 | ||
7174970a PM |
2061 | if (len != sizeof(uint32_t) || |
2062 | tgt_len != sizeof(uint32_t)) { | |
2063 | goto unimplemented; | |
2064 | } | |
ee1ac3a1 HD |
2065 | __put_user(*v, t_int); |
2066 | break; | |
2067 | } | |
2068 | case IP_RECVERR: | |
2069 | { | |
2070 | struct errhdr_t { | |
2071 | struct sock_extended_err ee; | |
2072 | struct sockaddr_in offender; | |
2073 | }; | |
2074 | struct errhdr_t *errh = (struct errhdr_t *)data; | |
2075 | struct errhdr_t *target_errh = | |
2076 | (struct errhdr_t *)target_data; | |
2077 | ||
7174970a PM |
2078 | if (len != sizeof(struct errhdr_t) || |
2079 | tgt_len != sizeof(struct errhdr_t)) { | |
2080 | goto unimplemented; | |
2081 | } | |
ee1ac3a1 HD |
2082 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
2083 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
2084 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
2085 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
2086 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
2087 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
2088 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
2089 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
2090 | (void *) &errh->offender, sizeof(errh->offender)); | |
2091 | break; | |
2092 | } | |
2093 | default: | |
2094 | goto unimplemented; | |
2095 | } | |
2096 | break; | |
2097 | ||
2098 | case SOL_IPV6: | |
2099 | switch (cmsg->cmsg_type) { | |
2100 | case IPV6_HOPLIMIT: | |
2101 | { | |
2102 | uint32_t *v = (uint32_t *)data; | |
2103 | uint32_t *t_int = (uint32_t *)target_data; | |
2104 | ||
7174970a PM |
2105 | if (len != sizeof(uint32_t) || |
2106 | tgt_len != sizeof(uint32_t)) { | |
2107 | goto unimplemented; | |
2108 | } | |
ee1ac3a1 HD |
2109 | __put_user(*v, t_int); |
2110 | break; | |
2111 | } | |
2112 | case IPV6_RECVERR: | |
2113 | { | |
2114 | struct errhdr6_t { | |
2115 | struct sock_extended_err ee; | |
2116 | struct sockaddr_in6 offender; | |
2117 | }; | |
2118 | struct errhdr6_t *errh = (struct errhdr6_t *)data; | |
2119 | struct errhdr6_t *target_errh = | |
2120 | (struct errhdr6_t *)target_data; | |
2121 | ||
7174970a PM |
2122 | if (len != sizeof(struct errhdr6_t) || |
2123 | tgt_len != sizeof(struct errhdr6_t)) { | |
2124 | goto unimplemented; | |
2125 | } | |
ee1ac3a1 HD |
2126 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
2127 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
2128 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
2129 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
2130 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
2131 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
2132 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
2133 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
2134 | (void *) &errh->offender, sizeof(errh->offender)); | |
2135 | break; | |
2136 | } | |
2137 | default: | |
2138 | goto unimplemented; | |
2139 | } | |
2140 | break; | |
2141 | ||
52b65494 HD |
2142 | default: |
2143 | unimplemented: | |
39be5350 JK |
2144 | qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n", |
2145 | cmsg->cmsg_level, cmsg->cmsg_type); | |
c2aeb258 PM |
2146 | memcpy(target_data, data, MIN(len, tgt_len)); |
2147 | if (tgt_len > len) { | |
2148 | memset(target_data + len, 0, tgt_len - len); | |
2149 | } | |
7854b056 FB |
2150 | } |
2151 | ||
7174970a PM |
2152 | target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len)); |
2153 | tgt_space = TARGET_CMSG_SPACE(tgt_len); | |
c2aeb258 PM |
2154 | if (msg_controllen < tgt_space) { |
2155 | tgt_space = msg_controllen; | |
2156 | } | |
2157 | msg_controllen -= tgt_space; | |
2158 | space += tgt_space; | |
7854b056 | 2159 | cmsg = CMSG_NXTHDR(msgh, cmsg); |
ee104587 JN |
2160 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
2161 | target_cmsg_start); | |
7854b056 | 2162 | } |
5a4a898d FB |
2163 | unlock_user(target_cmsg, target_cmsg_addr, space); |
2164 | the_end: | |
cbb21eed | 2165 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 2166 | return 0; |
7854b056 FB |
2167 | } |
2168 | ||
0da46a6e | 2169 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 2170 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 2171 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 2172 | { |
992f48a0 | 2173 | abi_long ret; |
32407103 | 2174 | int val; |
b975b83b | 2175 | struct ip_mreqn *ip_mreq; |
6e3cb58f | 2176 | struct ip_mreq_source *ip_mreq_source; |
3b46e624 | 2177 | |
8853f86e FB |
2178 | switch(level) { |
2179 | case SOL_TCP: | |
7854b056 | 2180 | /* TCP options all take an 'int' value. */ |
7854b056 | 2181 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 2182 | return -TARGET_EINVAL; |
3b46e624 | 2183 | |
2f619698 FB |
2184 | if (get_user_u32(val, optval_addr)) |
2185 | return -TARGET_EFAULT; | |
8853f86e FB |
2186 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
2187 | break; | |
2188 | case SOL_IP: | |
2189 | switch(optname) { | |
2efbe911 FB |
2190 | case IP_TOS: |
2191 | case IP_TTL: | |
8853f86e | 2192 | case IP_HDRINCL: |
2efbe911 FB |
2193 | case IP_ROUTER_ALERT: |
2194 | case IP_RECVOPTS: | |
2195 | case IP_RETOPTS: | |
2196 | case IP_PKTINFO: | |
2197 | case IP_MTU_DISCOVER: | |
2198 | case IP_RECVERR: | |
ee1ac3a1 | 2199 | case IP_RECVTTL: |
2efbe911 FB |
2200 | case IP_RECVTOS: |
2201 | #ifdef IP_FREEBIND | |
2202 | case IP_FREEBIND: | |
2203 | #endif | |
2204 | case IP_MULTICAST_TTL: | |
2205 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
2206 | val = 0; |
2207 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
2208 | if (get_user_u32(val, optval_addr)) |
2209 | return -TARGET_EFAULT; | |
8853f86e | 2210 | } else if (optlen >= 1) { |
2f619698 FB |
2211 | if (get_user_u8(val, optval_addr)) |
2212 | return -TARGET_EFAULT; | |
8853f86e FB |
2213 | } |
2214 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
2215 | break; | |
b975b83b LL |
2216 | case IP_ADD_MEMBERSHIP: |
2217 | case IP_DROP_MEMBERSHIP: | |
2218 | if (optlen < sizeof (struct target_ip_mreq) || | |
2219 | optlen > sizeof (struct target_ip_mreqn)) | |
2220 | return -TARGET_EINVAL; | |
2221 | ||
2222 | ip_mreq = (struct ip_mreqn *) alloca(optlen); | |
2223 | target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); | |
2224 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); | |
2225 | break; | |
2226 | ||
6e3cb58f LL |
2227 | case IP_BLOCK_SOURCE: |
2228 | case IP_UNBLOCK_SOURCE: | |
2229 | case IP_ADD_SOURCE_MEMBERSHIP: | |
2230 | case IP_DROP_SOURCE_MEMBERSHIP: | |
2231 | if (optlen != sizeof (struct target_ip_mreq_source)) | |
2232 | return -TARGET_EINVAL; | |
2233 | ||
2234 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
2235 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); | |
2236 | unlock_user (ip_mreq_source, optval_addr, 0); | |
2237 | break; | |
2238 | ||
920394db JH |
2239 | default: |
2240 | goto unimplemented; | |
2241 | } | |
2242 | break; | |
0d78b3b5 LV |
2243 | case SOL_IPV6: |
2244 | switch (optname) { | |
2245 | case IPV6_MTU_DISCOVER: | |
2246 | case IPV6_MTU: | |
2247 | case IPV6_V6ONLY: | |
2248 | case IPV6_RECVPKTINFO: | |
ee1ac3a1 | 2249 | case IPV6_UNICAST_HOPS: |
21749c4c LV |
2250 | case IPV6_MULTICAST_HOPS: |
2251 | case IPV6_MULTICAST_LOOP: | |
ee1ac3a1 HD |
2252 | case IPV6_RECVERR: |
2253 | case IPV6_RECVHOPLIMIT: | |
2254 | case IPV6_2292HOPLIMIT: | |
2255 | case IPV6_CHECKSUM: | |
b9cce6d7 HD |
2256 | case IPV6_ADDRFORM: |
2257 | case IPV6_2292PKTINFO: | |
2258 | case IPV6_RECVTCLASS: | |
2259 | case IPV6_RECVRTHDR: | |
2260 | case IPV6_2292RTHDR: | |
2261 | case IPV6_RECVHOPOPTS: | |
2262 | case IPV6_2292HOPOPTS: | |
2263 | case IPV6_RECVDSTOPTS: | |
2264 | case IPV6_2292DSTOPTS: | |
2265 | case IPV6_TCLASS: | |
2266 | #ifdef IPV6_RECVPATHMTU | |
2267 | case IPV6_RECVPATHMTU: | |
2268 | #endif | |
2269 | #ifdef IPV6_TRANSPARENT | |
2270 | case IPV6_TRANSPARENT: | |
2271 | #endif | |
2272 | #ifdef IPV6_FREEBIND | |
2273 | case IPV6_FREEBIND: | |
2274 | #endif | |
2275 | #ifdef IPV6_RECVORIGDSTADDR | |
2276 | case IPV6_RECVORIGDSTADDR: | |
2277 | #endif | |
0d78b3b5 LV |
2278 | val = 0; |
2279 | if (optlen < sizeof(uint32_t)) { | |
2280 | return -TARGET_EINVAL; | |
2281 | } | |
2282 | if (get_user_u32(val, optval_addr)) { | |
2283 | return -TARGET_EFAULT; | |
2284 | } | |
2285 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2286 | &val, sizeof(val))); | |
2287 | break; | |
ee1ac3a1 HD |
2288 | case IPV6_PKTINFO: |
2289 | { | |
2290 | struct in6_pktinfo pki; | |
2291 | ||
2292 | if (optlen < sizeof(pki)) { | |
2293 | return -TARGET_EINVAL; | |
2294 | } | |
2295 | ||
2296 | if (copy_from_user(&pki, optval_addr, sizeof(pki))) { | |
2297 | return -TARGET_EFAULT; | |
2298 | } | |
2299 | ||
2300 | pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex); | |
2301 | ||
2302 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2303 | &pki, sizeof(pki))); | |
2304 | break; | |
2305 | } | |
22bf4ee9 NC |
2306 | case IPV6_ADD_MEMBERSHIP: |
2307 | case IPV6_DROP_MEMBERSHIP: | |
2308 | { | |
2309 | struct ipv6_mreq ipv6mreq; | |
2310 | ||
2311 | if (optlen < sizeof(ipv6mreq)) { | |
2312 | return -TARGET_EINVAL; | |
2313 | } | |
2314 | ||
2315 | if (copy_from_user(&ipv6mreq, optval_addr, sizeof(ipv6mreq))) { | |
2316 | return -TARGET_EFAULT; | |
2317 | } | |
2318 | ||
2319 | ipv6mreq.ipv6mr_interface = tswap32(ipv6mreq.ipv6mr_interface); | |
2320 | ||
2321 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2322 | &ipv6mreq, sizeof(ipv6mreq))); | |
2323 | break; | |
2324 | } | |
ee1ac3a1 HD |
2325 | default: |
2326 | goto unimplemented; | |
2327 | } | |
2328 | break; | |
2329 | case SOL_ICMPV6: | |
2330 | switch (optname) { | |
2331 | case ICMPV6_FILTER: | |
2332 | { | |
2333 | struct icmp6_filter icmp6f; | |
2334 | ||
2335 | if (optlen > sizeof(icmp6f)) { | |
2336 | optlen = sizeof(icmp6f); | |
2337 | } | |
2338 | ||
2339 | if (copy_from_user(&icmp6f, optval_addr, optlen)) { | |
2340 | return -TARGET_EFAULT; | |
2341 | } | |
2342 | ||
2343 | for (val = 0; val < 8; val++) { | |
2344 | icmp6f.data[val] = tswap32(icmp6f.data[val]); | |
2345 | } | |
2346 | ||
2347 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2348 | &icmp6f, optlen)); | |
2349 | break; | |
2350 | } | |
0d78b3b5 LV |
2351 | default: |
2352 | goto unimplemented; | |
2353 | } | |
2354 | break; | |
920394db JH |
2355 | case SOL_RAW: |
2356 | switch (optname) { | |
2357 | case ICMP_FILTER: | |
ee1ac3a1 HD |
2358 | case IPV6_CHECKSUM: |
2359 | /* those take an u32 value */ | |
920394db JH |
2360 | if (optlen < sizeof(uint32_t)) { |
2361 | return -TARGET_EINVAL; | |
2362 | } | |
2363 | ||
2364 | if (get_user_u32(val, optval_addr)) { | |
2365 | return -TARGET_EFAULT; | |
2366 | } | |
2367 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2368 | &val, sizeof(val))); | |
2369 | break; | |
2370 | ||
8853f86e FB |
2371 | default: |
2372 | goto unimplemented; | |
2373 | } | |
2374 | break; | |
f31dddd2 YS |
2375 | #if defined(SOL_ALG) && defined(ALG_SET_KEY) && defined(ALG_SET_AEAD_AUTHSIZE) |
2376 | case SOL_ALG: | |
2377 | switch (optname) { | |
2378 | case ALG_SET_KEY: | |
2379 | { | |
2380 | char *alg_key = g_malloc(optlen); | |
2381 | ||
2382 | if (!alg_key) { | |
2383 | return -TARGET_ENOMEM; | |
2384 | } | |
2385 | if (copy_from_user(alg_key, optval_addr, optlen)) { | |
2386 | g_free(alg_key); | |
2387 | return -TARGET_EFAULT; | |
2388 | } | |
2389 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2390 | alg_key, optlen)); | |
2391 | g_free(alg_key); | |
2392 | break; | |
2393 | } | |
2394 | case ALG_SET_AEAD_AUTHSIZE: | |
2395 | { | |
2396 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2397 | NULL, optlen)); | |
2398 | break; | |
2399 | } | |
2400 | default: | |
2401 | goto unimplemented; | |
2402 | } | |
2403 | break; | |
2404 | #endif | |
3532fa74 | 2405 | case TARGET_SOL_SOCKET: |
8853f86e | 2406 | switch (optname) { |
1b09aeb9 LV |
2407 | case TARGET_SO_RCVTIMEO: |
2408 | { | |
2409 | struct timeval tv; | |
2410 | ||
2411 | optname = SO_RCVTIMEO; | |
2412 | ||
2413 | set_timeout: | |
2414 | if (optlen != sizeof(struct target_timeval)) { | |
2415 | return -TARGET_EINVAL; | |
2416 | } | |
2417 | ||
2418 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
2419 | return -TARGET_EFAULT; | |
2420 | } | |
2421 | ||
2422 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, | |
2423 | &tv, sizeof(tv))); | |
2424 | return ret; | |
2425 | } | |
2426 | case TARGET_SO_SNDTIMEO: | |
2427 | optname = SO_SNDTIMEO; | |
2428 | goto set_timeout; | |
f57d4192 LV |
2429 | case TARGET_SO_ATTACH_FILTER: |
2430 | { | |
2431 | struct target_sock_fprog *tfprog; | |
2432 | struct target_sock_filter *tfilter; | |
2433 | struct sock_fprog fprog; | |
2434 | struct sock_filter *filter; | |
2435 | int i; | |
2436 | ||
2437 | if (optlen != sizeof(*tfprog)) { | |
2438 | return -TARGET_EINVAL; | |
2439 | } | |
2440 | if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { | |
2441 | return -TARGET_EFAULT; | |
2442 | } | |
2443 | if (!lock_user_struct(VERIFY_READ, tfilter, | |
2444 | tswapal(tfprog->filter), 0)) { | |
2445 | unlock_user_struct(tfprog, optval_addr, 1); | |
2446 | return -TARGET_EFAULT; | |
2447 | } | |
2448 | ||
2449 | fprog.len = tswap16(tfprog->len); | |
0e173b24 | 2450 | filter = g_try_new(struct sock_filter, fprog.len); |
f57d4192 LV |
2451 | if (filter == NULL) { |
2452 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2453 | unlock_user_struct(tfprog, optval_addr, 1); | |
2454 | return -TARGET_ENOMEM; | |
2455 | } | |
2456 | for (i = 0; i < fprog.len; i++) { | |
2457 | filter[i].code = tswap16(tfilter[i].code); | |
2458 | filter[i].jt = tfilter[i].jt; | |
2459 | filter[i].jf = tfilter[i].jf; | |
2460 | filter[i].k = tswap32(tfilter[i].k); | |
2461 | } | |
2462 | fprog.filter = filter; | |
2463 | ||
2464 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, | |
2465 | SO_ATTACH_FILTER, &fprog, sizeof(fprog))); | |
0e173b24 | 2466 | g_free(filter); |
f57d4192 LV |
2467 | |
2468 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2469 | unlock_user_struct(tfprog, optval_addr, 1); | |
2470 | return ret; | |
2471 | } | |
451aaf68 JT |
2472 | case TARGET_SO_BINDTODEVICE: |
2473 | { | |
2474 | char *dev_ifname, *addr_ifname; | |
2475 | ||
2476 | if (optlen > IFNAMSIZ - 1) { | |
2477 | optlen = IFNAMSIZ - 1; | |
2478 | } | |
2479 | dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
2480 | if (!dev_ifname) { | |
2481 | return -TARGET_EFAULT; | |
2482 | } | |
2483 | optname = SO_BINDTODEVICE; | |
2484 | addr_ifname = alloca(IFNAMSIZ); | |
2485 | memcpy(addr_ifname, dev_ifname, optlen); | |
2486 | addr_ifname[optlen] = 0; | |
fad6c58a CG |
2487 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, |
2488 | addr_ifname, optlen)); | |
451aaf68 JT |
2489 | unlock_user (dev_ifname, optval_addr, 0); |
2490 | return ret; | |
2491 | } | |
83eb6e50 CMAB |
2492 | case TARGET_SO_LINGER: |
2493 | { | |
2494 | struct linger lg; | |
2495 | struct target_linger *tlg; | |
2496 | ||
2497 | if (optlen != sizeof(struct target_linger)) { | |
2498 | return -TARGET_EINVAL; | |
2499 | } | |
2500 | if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) { | |
2501 | return -TARGET_EFAULT; | |
2502 | } | |
2503 | __get_user(lg.l_onoff, &tlg->l_onoff); | |
2504 | __get_user(lg.l_linger, &tlg->l_linger); | |
2505 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER, | |
2506 | &lg, sizeof(lg))); | |
2507 | unlock_user_struct(tlg, optval_addr, 0); | |
2508 | return ret; | |
2509 | } | |
8853f86e | 2510 | /* Options with 'int' argument. */ |
3532fa74 FB |
2511 | case TARGET_SO_DEBUG: |
2512 | optname = SO_DEBUG; | |
2513 | break; | |
2514 | case TARGET_SO_REUSEADDR: | |
2515 | optname = SO_REUSEADDR; | |
2516 | break; | |
113a9dd7 YS |
2517 | #ifdef SO_REUSEPORT |
2518 | case TARGET_SO_REUSEPORT: | |
2519 | optname = SO_REUSEPORT; | |
2520 | break; | |
2521 | #endif | |
3532fa74 FB |
2522 | case TARGET_SO_TYPE: |
2523 | optname = SO_TYPE; | |
2524 | break; | |
2525 | case TARGET_SO_ERROR: | |
2526 | optname = SO_ERROR; | |
2527 | break; | |
2528 | case TARGET_SO_DONTROUTE: | |
2529 | optname = SO_DONTROUTE; | |
2530 | break; | |
2531 | case TARGET_SO_BROADCAST: | |
2532 | optname = SO_BROADCAST; | |
2533 | break; | |
2534 | case TARGET_SO_SNDBUF: | |
2535 | optname = SO_SNDBUF; | |
2536 | break; | |
d79b6cc4 PB |
2537 | case TARGET_SO_SNDBUFFORCE: |
2538 | optname = SO_SNDBUFFORCE; | |
2539 | break; | |
3532fa74 FB |
2540 | case TARGET_SO_RCVBUF: |
2541 | optname = SO_RCVBUF; | |
2542 | break; | |
d79b6cc4 PB |
2543 | case TARGET_SO_RCVBUFFORCE: |
2544 | optname = SO_RCVBUFFORCE; | |
2545 | break; | |
3532fa74 FB |
2546 | case TARGET_SO_KEEPALIVE: |
2547 | optname = SO_KEEPALIVE; | |
2548 | break; | |
2549 | case TARGET_SO_OOBINLINE: | |
2550 | optname = SO_OOBINLINE; | |
2551 | break; | |
2552 | case TARGET_SO_NO_CHECK: | |
2553 | optname = SO_NO_CHECK; | |
2554 | break; | |
2555 | case TARGET_SO_PRIORITY: | |
2556 | optname = SO_PRIORITY; | |
2557 | break; | |
5e83e8e3 | 2558 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
2559 | case TARGET_SO_BSDCOMPAT: |
2560 | optname = SO_BSDCOMPAT; | |
2561 | break; | |
5e83e8e3 | 2562 | #endif |
3532fa74 FB |
2563 | case TARGET_SO_PASSCRED: |
2564 | optname = SO_PASSCRED; | |
2565 | break; | |
82d0fe6b PB |
2566 | case TARGET_SO_PASSSEC: |
2567 | optname = SO_PASSSEC; | |
2568 | break; | |
3532fa74 FB |
2569 | case TARGET_SO_TIMESTAMP: |
2570 | optname = SO_TIMESTAMP; | |
2571 | break; | |
2572 | case TARGET_SO_RCVLOWAT: | |
2573 | optname = SO_RCVLOWAT; | |
2574 | break; | |
8853f86e FB |
2575 | default: |
2576 | goto unimplemented; | |
2577 | } | |
3532fa74 | 2578 | if (optlen < sizeof(uint32_t)) |
2f619698 | 2579 | return -TARGET_EINVAL; |
3532fa74 | 2580 | |
2f619698 FB |
2581 | if (get_user_u32(val, optval_addr)) |
2582 | return -TARGET_EFAULT; | |
3532fa74 | 2583 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 2584 | break; |
a2d86682 JK |
2585 | #ifdef SOL_NETLINK |
2586 | case SOL_NETLINK: | |
2587 | switch (optname) { | |
2588 | case NETLINK_PKTINFO: | |
2589 | case NETLINK_ADD_MEMBERSHIP: | |
2590 | case NETLINK_DROP_MEMBERSHIP: | |
2591 | case NETLINK_BROADCAST_ERROR: | |
2592 | case NETLINK_NO_ENOBUFS: | |
2593 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
2594 | case NETLINK_LISTEN_ALL_NSID: | |
2595 | case NETLINK_CAP_ACK: | |
2596 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ | |
2597 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) | |
2598 | case NETLINK_EXT_ACK: | |
2599 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2600 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0) | |
2601 | case NETLINK_GET_STRICT_CHK: | |
2602 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2603 | break; | |
2604 | default: | |
2605 | goto unimplemented; | |
2606 | } | |
2607 | val = 0; | |
2608 | if (optlen < sizeof(uint32_t)) { | |
2609 | return -TARGET_EINVAL; | |
2610 | } | |
2611 | if (get_user_u32(val, optval_addr)) { | |
2612 | return -TARGET_EFAULT; | |
2613 | } | |
2614 | ret = get_errno(setsockopt(sockfd, SOL_NETLINK, optname, &val, | |
2615 | sizeof(val))); | |
2616 | break; | |
2617 | #endif /* SOL_NETLINK */ | |
7854b056 | 2618 | default: |
8853f86e | 2619 | unimplemented: |
39be5350 JK |
2620 | qemu_log_mask(LOG_UNIMP, "Unsupported setsockopt level=%d optname=%d\n", |
2621 | level, optname); | |
6fa13c17 | 2622 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 2623 | } |
8853f86e | 2624 | return ret; |
7854b056 FB |
2625 | } |
2626 | ||
0da46a6e | 2627 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 2628 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 2629 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 2630 | { |
992f48a0 | 2631 | abi_long ret; |
b55266b5 BS |
2632 | int len, val; |
2633 | socklen_t lv; | |
8853f86e FB |
2634 | |
2635 | switch(level) { | |
3532fa74 | 2636 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
2637 | level = SOL_SOCKET; |
2638 | switch (optname) { | |
2639 | /* These don't just return a single integer */ | |
f3b974cd JL |
2640 | case TARGET_SO_PEERNAME: |
2641 | goto unimplemented; | |
405dc4cf AS |
2642 | case TARGET_SO_RCVTIMEO: { |
2643 | struct timeval tv; | |
2644 | socklen_t tvlen; | |
2645 | ||
2646 | optname = SO_RCVTIMEO; | |
2647 | ||
2648 | get_timeout: | |
2649 | if (get_user_u32(len, optlen)) { | |
2650 | return -TARGET_EFAULT; | |
2651 | } | |
2652 | if (len < 0) { | |
2653 | return -TARGET_EINVAL; | |
2654 | } | |
2655 | ||
2656 | tvlen = sizeof(tv); | |
2657 | ret = get_errno(getsockopt(sockfd, level, optname, | |
2658 | &tv, &tvlen)); | |
2659 | if (ret < 0) { | |
2660 | return ret; | |
2661 | } | |
2662 | if (len > sizeof(struct target_timeval)) { | |
2663 | len = sizeof(struct target_timeval); | |
2664 | } | |
2665 | if (copy_to_user_timeval(optval_addr, &tv)) { | |
2666 | return -TARGET_EFAULT; | |
2667 | } | |
2668 | if (put_user_u32(len, optlen)) { | |
2669 | return -TARGET_EFAULT; | |
2670 | } | |
2671 | break; | |
2672 | } | |
2673 | case TARGET_SO_SNDTIMEO: | |
2674 | optname = SO_SNDTIMEO; | |
2675 | goto get_timeout; | |
583359a6 AP |
2676 | case TARGET_SO_PEERCRED: { |
2677 | struct ucred cr; | |
2678 | socklen_t crlen; | |
2679 | struct target_ucred *tcr; | |
2680 | ||
2681 | if (get_user_u32(len, optlen)) { | |
2682 | return -TARGET_EFAULT; | |
2683 | } | |
2684 | if (len < 0) { | |
2685 | return -TARGET_EINVAL; | |
2686 | } | |
2687 | ||
2688 | crlen = sizeof(cr); | |
2689 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
2690 | &cr, &crlen)); | |
2691 | if (ret < 0) { | |
2692 | return ret; | |
2693 | } | |
2694 | if (len > crlen) { | |
2695 | len = crlen; | |
2696 | } | |
2697 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
2698 | return -TARGET_EFAULT; | |
2699 | } | |
2700 | __put_user(cr.pid, &tcr->pid); | |
2701 | __put_user(cr.uid, &tcr->uid); | |
2702 | __put_user(cr.gid, &tcr->gid); | |
2703 | unlock_user_struct(tcr, optval_addr, 1); | |
2704 | if (put_user_u32(len, optlen)) { | |
83eb6e50 CMAB |
2705 | return -TARGET_EFAULT; |
2706 | } | |
2707 | break; | |
2708 | } | |
6d485a55 LV |
2709 | case TARGET_SO_PEERSEC: { |
2710 | char *name; | |
2711 | ||
2712 | if (get_user_u32(len, optlen)) { | |
2713 | return -TARGET_EFAULT; | |
2714 | } | |
2715 | if (len < 0) { | |
2716 | return -TARGET_EINVAL; | |
2717 | } | |
2718 | name = lock_user(VERIFY_WRITE, optval_addr, len, 0); | |
2719 | if (!name) { | |
2720 | return -TARGET_EFAULT; | |
2721 | } | |
2722 | lv = len; | |
2723 | ret = get_errno(getsockopt(sockfd, level, SO_PEERSEC, | |
2724 | name, &lv)); | |
2725 | if (put_user_u32(lv, optlen)) { | |
2726 | ret = -TARGET_EFAULT; | |
2727 | } | |
2728 | unlock_user(name, optval_addr, lv); | |
2729 | break; | |
2730 | } | |
83eb6e50 CMAB |
2731 | case TARGET_SO_LINGER: |
2732 | { | |
2733 | struct linger lg; | |
2734 | socklen_t lglen; | |
2735 | struct target_linger *tlg; | |
2736 | ||
2737 | if (get_user_u32(len, optlen)) { | |
2738 | return -TARGET_EFAULT; | |
2739 | } | |
2740 | if (len < 0) { | |
2741 | return -TARGET_EINVAL; | |
2742 | } | |
2743 | ||
2744 | lglen = sizeof(lg); | |
2745 | ret = get_errno(getsockopt(sockfd, level, SO_LINGER, | |
2746 | &lg, &lglen)); | |
2747 | if (ret < 0) { | |
2748 | return ret; | |
2749 | } | |
2750 | if (len > lglen) { | |
2751 | len = lglen; | |
2752 | } | |
2753 | if (!lock_user_struct(VERIFY_WRITE, tlg, optval_addr, 0)) { | |
2754 | return -TARGET_EFAULT; | |
2755 | } | |
2756 | __put_user(lg.l_onoff, &tlg->l_onoff); | |
2757 | __put_user(lg.l_linger, &tlg->l_linger); | |
2758 | unlock_user_struct(tlg, optval_addr, 1); | |
2759 | if (put_user_u32(len, optlen)) { | |
583359a6 AP |
2760 | return -TARGET_EFAULT; |
2761 | } | |
2762 | break; | |
2763 | } | |
f3b974cd JL |
2764 | /* Options with 'int' argument. */ |
2765 | case TARGET_SO_DEBUG: | |
2766 | optname = SO_DEBUG; | |
2767 | goto int_case; | |
2768 | case TARGET_SO_REUSEADDR: | |
2769 | optname = SO_REUSEADDR; | |
2770 | goto int_case; | |
113a9dd7 YS |
2771 | #ifdef SO_REUSEPORT |
2772 | case TARGET_SO_REUSEPORT: | |
2773 | optname = SO_REUSEPORT; | |
2774 | goto int_case; | |
2775 | #endif | |
f3b974cd JL |
2776 | case TARGET_SO_TYPE: |
2777 | optname = SO_TYPE; | |
2778 | goto int_case; | |
2779 | case TARGET_SO_ERROR: | |
2780 | optname = SO_ERROR; | |
2781 | goto int_case; | |
2782 | case TARGET_SO_DONTROUTE: | |
2783 | optname = SO_DONTROUTE; | |
2784 | goto int_case; | |
2785 | case TARGET_SO_BROADCAST: | |
2786 | optname = SO_BROADCAST; | |
2787 | goto int_case; | |
2788 | case TARGET_SO_SNDBUF: | |
2789 | optname = SO_SNDBUF; | |
2790 | goto int_case; | |
2791 | case TARGET_SO_RCVBUF: | |
2792 | optname = SO_RCVBUF; | |
2793 | goto int_case; | |
2794 | case TARGET_SO_KEEPALIVE: | |
2795 | optname = SO_KEEPALIVE; | |
2796 | goto int_case; | |
2797 | case TARGET_SO_OOBINLINE: | |
2798 | optname = SO_OOBINLINE; | |
2799 | goto int_case; | |
2800 | case TARGET_SO_NO_CHECK: | |
2801 | optname = SO_NO_CHECK; | |
2802 | goto int_case; | |
2803 | case TARGET_SO_PRIORITY: | |
2804 | optname = SO_PRIORITY; | |
2805 | goto int_case; | |
2806 | #ifdef SO_BSDCOMPAT | |
2807 | case TARGET_SO_BSDCOMPAT: | |
2808 | optname = SO_BSDCOMPAT; | |
2809 | goto int_case; | |
2810 | #endif | |
2811 | case TARGET_SO_PASSCRED: | |
2812 | optname = SO_PASSCRED; | |
2813 | goto int_case; | |
2814 | case TARGET_SO_TIMESTAMP: | |
2815 | optname = SO_TIMESTAMP; | |
2816 | goto int_case; | |
2817 | case TARGET_SO_RCVLOWAT: | |
2818 | optname = SO_RCVLOWAT; | |
2819 | goto int_case; | |
aec1ca41 PB |
2820 | case TARGET_SO_ACCEPTCONN: |
2821 | optname = SO_ACCEPTCONN; | |
2822 | goto int_case; | |
8853f86e | 2823 | default: |
2efbe911 FB |
2824 | goto int_case; |
2825 | } | |
2826 | break; | |
2827 | case SOL_TCP: | |
2828 | /* TCP options all take an 'int' value. */ | |
2829 | int_case: | |
2f619698 FB |
2830 | if (get_user_u32(len, optlen)) |
2831 | return -TARGET_EFAULT; | |
2efbe911 | 2832 | if (len < 0) |
0da46a6e | 2833 | return -TARGET_EINVAL; |
73160d95 | 2834 | lv = sizeof(lv); |
2efbe911 FB |
2835 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2836 | if (ret < 0) | |
2837 | return ret; | |
8289d112 PB |
2838 | if (optname == SO_TYPE) { |
2839 | val = host_to_target_sock_type(val); | |
2840 | } | |
2efbe911 FB |
2841 | if (len > lv) |
2842 | len = lv; | |
2f619698 FB |
2843 | if (len == 4) { |
2844 | if (put_user_u32(val, optval_addr)) | |
2845 | return -TARGET_EFAULT; | |
2846 | } else { | |
2847 | if (put_user_u8(val, optval_addr)) | |
2848 | return -TARGET_EFAULT; | |
f3b974cd | 2849 | } |
2f619698 FB |
2850 | if (put_user_u32(len, optlen)) |
2851 | return -TARGET_EFAULT; | |
2efbe911 FB |
2852 | break; |
2853 | case SOL_IP: | |
2854 | switch(optname) { | |
2855 | case IP_TOS: | |
2856 | case IP_TTL: | |
2857 | case IP_HDRINCL: | |
2858 | case IP_ROUTER_ALERT: | |
2859 | case IP_RECVOPTS: | |
2860 | case IP_RETOPTS: | |
2861 | case IP_PKTINFO: | |
2862 | case IP_MTU_DISCOVER: | |
2863 | case IP_RECVERR: | |
2864 | case IP_RECVTOS: | |
2865 | #ifdef IP_FREEBIND | |
2866 | case IP_FREEBIND: | |
2867 | #endif | |
2868 | case IP_MULTICAST_TTL: | |
2869 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
2870 | if (get_user_u32(len, optlen)) |
2871 | return -TARGET_EFAULT; | |
8853f86e | 2872 | if (len < 0) |
0da46a6e | 2873 | return -TARGET_EINVAL; |
73160d95 | 2874 | lv = sizeof(lv); |
8853f86e FB |
2875 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2876 | if (ret < 0) | |
2877 | return ret; | |
2efbe911 | 2878 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 2879 | len = 1; |
2f619698 FB |
2880 | if (put_user_u32(len, optlen) |
2881 | || put_user_u8(val, optval_addr)) | |
2882 | return -TARGET_EFAULT; | |
2efbe911 | 2883 | } else { |
2efbe911 FB |
2884 | if (len > sizeof(int)) |
2885 | len = sizeof(int); | |
2f619698 FB |
2886 | if (put_user_u32(len, optlen) |
2887 | || put_user_u32(val, optval_addr)) | |
2888 | return -TARGET_EFAULT; | |
2efbe911 | 2889 | } |
8853f86e | 2890 | break; |
2efbe911 | 2891 | default: |
c02f499e TS |
2892 | ret = -TARGET_ENOPROTOOPT; |
2893 | break; | |
8853f86e FB |
2894 | } |
2895 | break; | |
bd8ed485 TD |
2896 | case SOL_IPV6: |
2897 | switch (optname) { | |
2898 | case IPV6_MTU_DISCOVER: | |
2899 | case IPV6_MTU: | |
2900 | case IPV6_V6ONLY: | |
2901 | case IPV6_RECVPKTINFO: | |
2902 | case IPV6_UNICAST_HOPS: | |
2903 | case IPV6_MULTICAST_HOPS: | |
2904 | case IPV6_MULTICAST_LOOP: | |
2905 | case IPV6_RECVERR: | |
2906 | case IPV6_RECVHOPLIMIT: | |
2907 | case IPV6_2292HOPLIMIT: | |
2908 | case IPV6_CHECKSUM: | |
b9cce6d7 HD |
2909 | case IPV6_ADDRFORM: |
2910 | case IPV6_2292PKTINFO: | |
2911 | case IPV6_RECVTCLASS: | |
2912 | case IPV6_RECVRTHDR: | |
2913 | case IPV6_2292RTHDR: | |
2914 | case IPV6_RECVHOPOPTS: | |
2915 | case IPV6_2292HOPOPTS: | |
2916 | case IPV6_RECVDSTOPTS: | |
2917 | case IPV6_2292DSTOPTS: | |
2918 | case IPV6_TCLASS: | |
2919 | #ifdef IPV6_RECVPATHMTU | |
2920 | case IPV6_RECVPATHMTU: | |
2921 | #endif | |
2922 | #ifdef IPV6_TRANSPARENT | |
2923 | case IPV6_TRANSPARENT: | |
2924 | #endif | |
2925 | #ifdef IPV6_FREEBIND | |
2926 | case IPV6_FREEBIND: | |
2927 | #endif | |
2928 | #ifdef IPV6_RECVORIGDSTADDR | |
2929 | case IPV6_RECVORIGDSTADDR: | |
2930 | #endif | |
bd8ed485 TD |
2931 | if (get_user_u32(len, optlen)) |
2932 | return -TARGET_EFAULT; | |
2933 | if (len < 0) | |
2934 | return -TARGET_EINVAL; | |
2935 | lv = sizeof(lv); | |
2936 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); | |
2937 | if (ret < 0) | |
2938 | return ret; | |
2939 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { | |
2940 | len = 1; | |
2941 | if (put_user_u32(len, optlen) | |
2942 | || put_user_u8(val, optval_addr)) | |
2943 | return -TARGET_EFAULT; | |
2944 | } else { | |
2945 | if (len > sizeof(int)) | |
2946 | len = sizeof(int); | |
2947 | if (put_user_u32(len, optlen) | |
2948 | || put_user_u32(val, optval_addr)) | |
2949 | return -TARGET_EFAULT; | |
2950 | } | |
2951 | break; | |
2952 | default: | |
2953 | ret = -TARGET_ENOPROTOOPT; | |
2954 | break; | |
2955 | } | |
2956 | break; | |
a2d86682 JK |
2957 | #ifdef SOL_NETLINK |
2958 | case SOL_NETLINK: | |
2959 | switch (optname) { | |
2960 | case NETLINK_PKTINFO: | |
2961 | case NETLINK_BROADCAST_ERROR: | |
2962 | case NETLINK_NO_ENOBUFS: | |
2963 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
2964 | case NETLINK_LISTEN_ALL_NSID: | |
2965 | case NETLINK_CAP_ACK: | |
2966 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ | |
2967 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) | |
2968 | case NETLINK_EXT_ACK: | |
2969 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2970 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0) | |
2971 | case NETLINK_GET_STRICT_CHK: | |
2972 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2973 | if (get_user_u32(len, optlen)) { | |
2974 | return -TARGET_EFAULT; | |
2975 | } | |
2976 | if (len != sizeof(val)) { | |
2977 | return -TARGET_EINVAL; | |
2978 | } | |
2979 | lv = len; | |
2980 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); | |
2981 | if (ret < 0) { | |
2982 | return ret; | |
2983 | } | |
2984 | if (put_user_u32(lv, optlen) | |
2985 | || put_user_u32(val, optval_addr)) { | |
2986 | return -TARGET_EFAULT; | |
2987 | } | |
2988 | break; | |
2989 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
2990 | case NETLINK_LIST_MEMBERSHIPS: | |
2991 | { | |
2992 | uint32_t *results; | |
2993 | int i; | |
2994 | if (get_user_u32(len, optlen)) { | |
2995 | return -TARGET_EFAULT; | |
2996 | } | |
2997 | if (len < 0) { | |
2998 | return -TARGET_EINVAL; | |
2999 | } | |
3000 | results = lock_user(VERIFY_WRITE, optval_addr, len, 1); | |
3001 | if (!results) { | |
3002 | return -TARGET_EFAULT; | |
3003 | } | |
3004 | lv = len; | |
3005 | ret = get_errno(getsockopt(sockfd, level, optname, results, &lv)); | |
3006 | if (ret < 0) { | |
3007 | unlock_user(results, optval_addr, 0); | |
3008 | return ret; | |
3009 | } | |
3010 | /* swap host endianess to target endianess. */ | |
3011 | for (i = 0; i < (len / sizeof(uint32_t)); i++) { | |
3012 | results[i] = tswap32(results[i]); | |
3013 | } | |
3014 | if (put_user_u32(lv, optlen)) { | |
3015 | return -TARGET_EFAULT; | |
3016 | } | |
3017 | unlock_user(results, optval_addr, 0); | |
3018 | break; | |
3019 | } | |
3020 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ | |
3021 | default: | |
3022 | goto unimplemented; | |
3023 | } | |
c0cb8801 | 3024 | break; |
a2d86682 | 3025 | #endif /* SOL_NETLINK */ |
8853f86e FB |
3026 | default: |
3027 | unimplemented: | |
39be5350 JK |
3028 | qemu_log_mask(LOG_UNIMP, |
3029 | "getsockopt level=%d optname=%d not yet supported\n", | |
3030 | level, optname); | |
c02f499e | 3031 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
3032 | break; |
3033 | } | |
3034 | return ret; | |
7854b056 FB |
3035 | } |
3036 | ||
9ac22517 MF |
3037 | /* Convert target low/high pair representing file offset into the host |
3038 | * low/high pair. This function doesn't handle offsets bigger than 64 bits | |
3039 | * as the kernel doesn't handle them either. | |
3040 | */ | |
3041 | static void target_to_host_low_high(abi_ulong tlow, | |
3042 | abi_ulong thigh, | |
3043 | unsigned long *hlow, | |
3044 | unsigned long *hhigh) | |
3045 | { | |
3046 | uint64_t off = tlow | | |
3047 | ((unsigned long long)thigh << TARGET_LONG_BITS / 2) << | |
3048 | TARGET_LONG_BITS / 2; | |
3049 | ||
3050 | *hlow = off; | |
3051 | *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2; | |
3052 | } | |
3053 | ||
f287b2c2 | 3054 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
dab32b32 | 3055 | abi_ulong count, int copy) |
53a5960a PB |
3056 | { |
3057 | struct target_iovec *target_vec; | |
f287b2c2 RH |
3058 | struct iovec *vec; |
3059 | abi_ulong total_len, max_len; | |
d732dcb4 | 3060 | int i; |
501bb4b0 | 3061 | int err = 0; |
29560a6c | 3062 | bool bad_address = false; |
53a5960a | 3063 | |
f287b2c2 RH |
3064 | if (count == 0) { |
3065 | errno = 0; | |
3066 | return NULL; | |
3067 | } | |
dab32b32 | 3068 | if (count > IOV_MAX) { |
f287b2c2 RH |
3069 | errno = EINVAL; |
3070 | return NULL; | |
3071 | } | |
3072 | ||
0e173b24 | 3073 | vec = g_try_new0(struct iovec, count); |
f287b2c2 RH |
3074 | if (vec == NULL) { |
3075 | errno = ENOMEM; | |
3076 | return NULL; | |
3077 | } | |
3078 | ||
3079 | target_vec = lock_user(VERIFY_READ, target_addr, | |
3080 | count * sizeof(struct target_iovec), 1); | |
3081 | if (target_vec == NULL) { | |
501bb4b0 | 3082 | err = EFAULT; |
f287b2c2 RH |
3083 | goto fail2; |
3084 | } | |
3085 | ||
3086 | /* ??? If host page size > target page size, this will result in a | |
3087 | value larger than what we can actually support. */ | |
3088 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
3089 | total_len = 0; | |
3090 | ||
3091 | for (i = 0; i < count; i++) { | |
3092 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
3093 | abi_long len = tswapal(target_vec[i].iov_len); | |
3094 | ||
3095 | if (len < 0) { | |
501bb4b0 | 3096 | err = EINVAL; |
f287b2c2 RH |
3097 | goto fail; |
3098 | } else if (len == 0) { | |
3099 | /* Zero length pointer is ignored. */ | |
3100 | vec[i].iov_base = 0; | |
41df8411 | 3101 | } else { |
f287b2c2 | 3102 | vec[i].iov_base = lock_user(type, base, len, copy); |
29560a6c TM |
3103 | /* If the first buffer pointer is bad, this is a fault. But |
3104 | * subsequent bad buffers will result in a partial write; this | |
3105 | * is realized by filling the vector with null pointers and | |
3106 | * zero lengths. */ | |
f287b2c2 | 3107 | if (!vec[i].iov_base) { |
29560a6c TM |
3108 | if (i == 0) { |
3109 | err = EFAULT; | |
3110 | goto fail; | |
3111 | } else { | |
3112 | bad_address = true; | |
3113 | } | |
3114 | } | |
3115 | if (bad_address) { | |
3116 | len = 0; | |
f287b2c2 RH |
3117 | } |
3118 | if (len > max_len - total_len) { | |
3119 | len = max_len - total_len; | |
3120 | } | |
41df8411 | 3121 | } |
f287b2c2 RH |
3122 | vec[i].iov_len = len; |
3123 | total_len += len; | |
579a97f7 | 3124 | } |
f287b2c2 RH |
3125 | |
3126 | unlock_user(target_vec, target_addr, 0); | |
3127 | return vec; | |
3128 | ||
3129 | fail: | |
7eff518b CG |
3130 | while (--i >= 0) { |
3131 | if (tswapal(target_vec[i].iov_len) > 0) { | |
3132 | unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0); | |
3133 | } | |
3134 | } | |
f287b2c2 | 3135 | unlock_user(target_vec, target_addr, 0); |
501bb4b0 | 3136 | fail2: |
0e173b24 | 3137 | g_free(vec); |
501bb4b0 | 3138 | errno = err; |
f287b2c2 | 3139 | return NULL; |
53a5960a PB |
3140 | } |
3141 | ||
f287b2c2 | 3142 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
dab32b32 | 3143 | abi_ulong count, int copy) |
53a5960a PB |
3144 | { |
3145 | struct target_iovec *target_vec; | |
53a5960a PB |
3146 | int i; |
3147 | ||
f287b2c2 RH |
3148 | target_vec = lock_user(VERIFY_READ, target_addr, |
3149 | count * sizeof(struct target_iovec), 1); | |
3150 | if (target_vec) { | |
3151 | for (i = 0; i < count; i++) { | |
3152 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
71ec7cef | 3153 | abi_long len = tswapal(target_vec[i].iov_len); |
f287b2c2 RH |
3154 | if (len < 0) { |
3155 | break; | |
3156 | } | |
d732dcb4 AZ |
3157 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
3158 | } | |
f287b2c2 | 3159 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 3160 | } |
579a97f7 | 3161 | |
0e173b24 | 3162 | g_free(vec); |
53a5960a PB |
3163 | } |
3164 | ||
53d09b76 | 3165 | static inline int target_to_host_sock_type(int *type) |
3532fa74 | 3166 | { |
f651e6ae PJ |
3167 | int host_type = 0; |
3168 | int target_type = *type; | |
3169 | ||
3170 | switch (target_type & TARGET_SOCK_TYPE_MASK) { | |
3532fa74 | 3171 | case TARGET_SOCK_DGRAM: |
f651e6ae | 3172 | host_type = SOCK_DGRAM; |
3532fa74 FB |
3173 | break; |
3174 | case TARGET_SOCK_STREAM: | |
f651e6ae | 3175 | host_type = SOCK_STREAM; |
3532fa74 | 3176 | break; |
f651e6ae PJ |
3177 | default: |
3178 | host_type = target_type & TARGET_SOCK_TYPE_MASK; | |
3532fa74 FB |
3179 | break; |
3180 | } | |
f651e6ae | 3181 | if (target_type & TARGET_SOCK_CLOEXEC) { |
53d09b76 | 3182 | #if defined(SOCK_CLOEXEC) |
f651e6ae | 3183 | host_type |= SOCK_CLOEXEC; |
53d09b76 EI |
3184 | #else |
3185 | return -TARGET_EINVAL; | |
3186 | #endif | |
f651e6ae PJ |
3187 | } |
3188 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
53d09b76 | 3189 | #if defined(SOCK_NONBLOCK) |
f651e6ae | 3190 | host_type |= SOCK_NONBLOCK; |
53d09b76 EI |
3191 | #elif !defined(O_NONBLOCK) |
3192 | return -TARGET_EINVAL; | |
3193 | #endif | |
f651e6ae PJ |
3194 | } |
3195 | *type = host_type; | |
53d09b76 EI |
3196 | return 0; |
3197 | } | |
3198 | ||
3199 | /* Try to emulate socket type flags after socket creation. */ | |
3200 | static int sock_flags_fixup(int fd, int target_type) | |
3201 | { | |
3202 | #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK) | |
3203 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
3204 | int flags = fcntl(fd, F_GETFL); | |
3205 | if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) { | |
3206 | close(fd); | |
3207 | return -TARGET_EINVAL; | |
3208 | } | |
3209 | } | |
3210 | #endif | |
3211 | return fd; | |
f651e6ae PJ |
3212 | } |
3213 | ||
3214 | /* do_socket() Must return target values and target errnos. */ | |
3215 | static abi_long do_socket(int domain, int type, int protocol) | |
3216 | { | |
53d09b76 EI |
3217 | int target_type = type; |
3218 | int ret; | |
3219 | ||
3220 | ret = target_to_host_sock_type(&type); | |
3221 | if (ret) { | |
3222 | return ret; | |
3223 | } | |
f651e6ae | 3224 | |
575b22b1 LV |
3225 | if (domain == PF_NETLINK && !( |
3226 | #ifdef CONFIG_RTNETLINK | |
3227 | protocol == NETLINK_ROUTE || | |
3228 | #endif | |
3229 | protocol == NETLINK_KOBJECT_UEVENT || | |
3230 | protocol == NETLINK_AUDIT)) { | |
71e2443e | 3231 | return -TARGET_EPROTONOSUPPORT; |
6c5b5645 | 3232 | } |
ff626f2d LV |
3233 | |
3234 | if (domain == AF_PACKET || | |
3235 | (domain == AF_INET && type == SOCK_PACKET)) { | |
3236 | protocol = tswap16(protocol); | |
3237 | } | |
3238 | ||
53d09b76 EI |
3239 | ret = get_errno(socket(domain, type, protocol)); |
3240 | if (ret >= 0) { | |
3241 | ret = sock_flags_fixup(ret, target_type); | |
0cf22722 LV |
3242 | if (type == SOCK_PACKET) { |
3243 | /* Manage an obsolete case : | |
3244 | * if socket type is SOCK_PACKET, bind by name | |
3245 | */ | |
3246 | fd_trans_register(ret, &target_packet_trans); | |
6c5b5645 LV |
3247 | } else if (domain == PF_NETLINK) { |
3248 | switch (protocol) { | |
575b22b1 | 3249 | #ifdef CONFIG_RTNETLINK |
6c5b5645 LV |
3250 | case NETLINK_ROUTE: |
3251 | fd_trans_register(ret, &target_netlink_route_trans); | |
3252 | break; | |
575b22b1 | 3253 | #endif |
b265620b LV |
3254 | case NETLINK_KOBJECT_UEVENT: |
3255 | /* nothing to do: messages are strings */ | |
3256 | break; | |
5ce9bb59 LV |
3257 | case NETLINK_AUDIT: |
3258 | fd_trans_register(ret, &target_netlink_audit_trans); | |
3259 | break; | |
6c5b5645 LV |
3260 | default: |
3261 | g_assert_not_reached(); | |
3262 | } | |
0cf22722 | 3263 | } |
53d09b76 EI |
3264 | } |
3265 | return ret; | |
3532fa74 FB |
3266 | } |
3267 | ||
0da46a6e | 3268 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
3269 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
3270 | socklen_t addrlen) | |
3532fa74 | 3271 | { |
8f7aeaf6 | 3272 | void *addr; |
917507b0 | 3273 | abi_long ret; |
8f7aeaf6 | 3274 | |
38724253 | 3275 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3276 | return -TARGET_EINVAL; |
38724253 | 3277 | } |
8f7aeaf6 | 3278 | |
607175e0 | 3279 | addr = alloca(addrlen+1); |
3b46e624 | 3280 | |
7b36f782 | 3281 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
3282 | if (ret) |
3283 | return ret; | |
3284 | ||
3532fa74 FB |
3285 | return get_errno(bind(sockfd, addr, addrlen)); |
3286 | } | |
3287 | ||
0da46a6e | 3288 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
3289 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
3290 | socklen_t addrlen) | |
3532fa74 | 3291 | { |
8f7aeaf6 | 3292 | void *addr; |
917507b0 | 3293 | abi_long ret; |
8f7aeaf6 | 3294 | |
38724253 | 3295 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3296 | return -TARGET_EINVAL; |
38724253 | 3297 | } |
8f7aeaf6 | 3298 | |
2dd08dfd | 3299 | addr = alloca(addrlen+1); |
3b46e624 | 3300 | |
7b36f782 | 3301 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
3302 | if (ret) |
3303 | return ret; | |
3304 | ||
2a3c7619 | 3305 | return get_errno(safe_connect(sockfd, addr, addrlen)); |
3532fa74 FB |
3306 | } |
3307 | ||
f19e00d7 AG |
3308 | /* do_sendrecvmsg_locked() Must return target values and target errnos. */ |
3309 | static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, | |
3310 | int flags, int send) | |
3532fa74 | 3311 | { |
6de645c7 | 3312 | abi_long ret, len; |
3532fa74 | 3313 | struct msghdr msg; |
dab32b32 | 3314 | abi_ulong count; |
3532fa74 | 3315 | struct iovec *vec; |
992f48a0 | 3316 | abi_ulong target_vec; |
3532fa74 | 3317 | |
3532fa74 FB |
3318 | if (msgp->msg_name) { |
3319 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
2dd08dfd | 3320 | msg.msg_name = alloca(msg.msg_namelen+1); |
7b36f782 LV |
3321 | ret = target_to_host_sockaddr(fd, msg.msg_name, |
3322 | tswapal(msgp->msg_name), | |
3323 | msg.msg_namelen); | |
26a6fc96 PM |
3324 | if (ret == -TARGET_EFAULT) { |
3325 | /* For connected sockets msg_name and msg_namelen must | |
3326 | * be ignored, so returning EFAULT immediately is wrong. | |
3327 | * Instead, pass a bad msg_name to the host kernel, and | |
3328 | * let it decide whether to return EFAULT or not. | |
3329 | */ | |
3330 | msg.msg_name = (void *)-1; | |
3331 | } else if (ret) { | |
f287b2c2 | 3332 | goto out2; |
917507b0 | 3333 | } |
3532fa74 FB |
3334 | } else { |
3335 | msg.msg_name = NULL; | |
3336 | msg.msg_namelen = 0; | |
3337 | } | |
cbb21eed | 3338 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 | 3339 | msg.msg_control = alloca(msg.msg_controllen); |
1d3d1b23 JS |
3340 | memset(msg.msg_control, 0, msg.msg_controllen); |
3341 | ||
3532fa74 | 3342 | msg.msg_flags = tswap32(msgp->msg_flags); |
3b46e624 | 3343 | |
cbb21eed | 3344 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 3345 | target_vec = tswapal(msgp->msg_iov); |
97b07970 PM |
3346 | |
3347 | if (count > IOV_MAX) { | |
3348 | /* sendrcvmsg returns a different errno for this condition than | |
3349 | * readv/writev, so we must catch it here before lock_iovec() does. | |
3350 | */ | |
3351 | ret = -TARGET_EMSGSIZE; | |
3352 | goto out2; | |
3353 | } | |
3354 | ||
f287b2c2 RH |
3355 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
3356 | target_vec, count, send); | |
3357 | if (vec == NULL) { | |
3358 | ret = -host_to_target_errno(errno); | |
3359 | goto out2; | |
3360 | } | |
3532fa74 FB |
3361 | msg.msg_iovlen = count; |
3362 | msg.msg_iov = vec; | |
3b46e624 | 3363 | |
3532fa74 | 3364 | if (send) { |
6c5b5645 | 3365 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
3366 | void *host_msg; |
3367 | ||
3368 | host_msg = g_malloc(msg.msg_iov->iov_len); | |
3369 | memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len); | |
3370 | ret = fd_trans_target_to_host_data(fd)(host_msg, | |
6c5b5645 | 3371 | msg.msg_iov->iov_len); |
7d61d892 LV |
3372 | if (ret >= 0) { |
3373 | msg.msg_iov->iov_base = host_msg; | |
3374 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
3375 | } | |
3376 | g_free(host_msg); | |
6c5b5645 LV |
3377 | } else { |
3378 | ret = target_to_host_cmsg(&msg, msgp); | |
7d61d892 LV |
3379 | if (ret == 0) { |
3380 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
3381 | } | |
6c5b5645 | 3382 | } |
3532fa74 | 3383 | } else { |
66687530 | 3384 | ret = get_errno(safe_recvmsg(fd, &msg, flags)); |
6de645c7 AZ |
3385 | if (!is_error(ret)) { |
3386 | len = ret; | |
6c5b5645 LV |
3387 | if (fd_trans_host_to_target_data(fd)) { |
3388 | ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base, | |
2a03d3e6 | 3389 | MIN(msg.msg_iov->iov_len, len)); |
6c5b5645 LV |
3390 | } else { |
3391 | ret = host_to_target_cmsg(msgp, &msg); | |
3392 | } | |
ca619067 JH |
3393 | if (!is_error(ret)) { |
3394 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
24894f39 | 3395 | msgp->msg_flags = tswap32(msg.msg_flags); |
26a6fc96 | 3396 | if (msg.msg_name != NULL && msg.msg_name != (void *)-1) { |
ca619067 JH |
3397 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), |
3398 | msg.msg_name, msg.msg_namelen); | |
3399 | if (ret) { | |
3400 | goto out; | |
3401 | } | |
3402 | } | |
3403 | ||
6de645c7 | 3404 | ret = len; |
ca619067 | 3405 | } |
6de645c7 | 3406 | } |
3532fa74 | 3407 | } |
ca619067 JH |
3408 | |
3409 | out: | |
3532fa74 | 3410 | unlock_iovec(vec, target_vec, count, !send); |
f287b2c2 | 3411 | out2: |
f19e00d7 AG |
3412 | return ret; |
3413 | } | |
3414 | ||
3415 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, | |
3416 | int flags, int send) | |
3417 | { | |
3418 | abi_long ret; | |
3419 | struct target_msghdr *msgp; | |
3420 | ||
3421 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
3422 | msgp, | |
3423 | target_msg, | |
3424 | send ? 1 : 0)) { | |
3425 | return -TARGET_EFAULT; | |
3426 | } | |
3427 | ret = do_sendrecvmsg_locked(fd, msgp, flags, send); | |
579a97f7 | 3428 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
3429 | return ret; |
3430 | } | |
3431 | ||
f19e00d7 AG |
3432 | /* We don't rely on the C library to have sendmmsg/recvmmsg support, |
3433 | * so it might not have this *mmsg-specific flag either. | |
3434 | */ | |
3435 | #ifndef MSG_WAITFORONE | |
3436 | #define MSG_WAITFORONE 0x10000 | |
3437 | #endif | |
3438 | ||
3439 | static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec, | |
3440 | unsigned int vlen, unsigned int flags, | |
3441 | int send) | |
3442 | { | |
3443 | struct target_mmsghdr *mmsgp; | |
3444 | abi_long ret = 0; | |
3445 | int i; | |
3446 | ||
3447 | if (vlen > UIO_MAXIOV) { | |
3448 | vlen = UIO_MAXIOV; | |
3449 | } | |
3450 | ||
3451 | mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1); | |
3452 | if (!mmsgp) { | |
3453 | return -TARGET_EFAULT; | |
3454 | } | |
3455 | ||
3456 | for (i = 0; i < vlen; i++) { | |
3457 | ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send); | |
3458 | if (is_error(ret)) { | |
3459 | break; | |
3460 | } | |
3461 | mmsgp[i].msg_len = tswap32(ret); | |
3462 | /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */ | |
3463 | if (flags & MSG_WAITFORONE) { | |
3464 | flags |= MSG_DONTWAIT; | |
3465 | } | |
3466 | } | |
3467 | ||
3468 | unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i); | |
3469 | ||
3470 | /* Return number of datagrams sent if we sent any at all; | |
3471 | * otherwise return the error. | |
3472 | */ | |
3473 | if (i) { | |
3474 | return i; | |
3475 | } | |
3476 | return ret; | |
3477 | } | |
f19e00d7 | 3478 | |
a94b4987 PM |
3479 | /* do_accept4() Must return target values and target errnos. */ |
3480 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
3481 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 3482 | { |
cd813367 | 3483 | socklen_t addrlen, ret_addrlen; |
2f619698 | 3484 | void *addr; |
992f48a0 | 3485 | abi_long ret; |
d25295d4 PJ |
3486 | int host_flags; |
3487 | ||
3488 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
1be9e1dc | 3489 | |
a94b4987 | 3490 | if (target_addr == 0) { |
ff6dc130 | 3491 | return get_errno(safe_accept4(fd, NULL, NULL, host_flags)); |
a94b4987 | 3492 | } |
917507b0 | 3493 | |
e554eb4b | 3494 | /* linux returns EFAULT if addrlen pointer is invalid */ |
2f619698 | 3495 | if (get_user_u32(addrlen, target_addrlen_addr)) |
e554eb4b | 3496 | return -TARGET_EFAULT; |
2f619698 | 3497 | |
38724253 | 3498 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3499 | return -TARGET_EINVAL; |
38724253 | 3500 | } |
8f7aeaf6 | 3501 | |
917507b0 | 3502 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
e554eb4b | 3503 | return -TARGET_EFAULT; |
917507b0 | 3504 | |
2f619698 FB |
3505 | addr = alloca(addrlen); |
3506 | ||
cd813367 AS |
3507 | ret_addrlen = addrlen; |
3508 | ret = get_errno(safe_accept4(fd, addr, &ret_addrlen, host_flags)); | |
1be9e1dc | 3509 | if (!is_error(ret)) { |
cd813367 AS |
3510 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3511 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3512 | ret = -TARGET_EFAULT; |
cd813367 | 3513 | } |
1be9e1dc PB |
3514 | } |
3515 | return ret; | |
3516 | } | |
3517 | ||
0da46a6e | 3518 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 3519 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 3520 | abi_ulong target_addrlen_addr) |
1be9e1dc | 3521 | { |
cd813367 | 3522 | socklen_t addrlen, ret_addrlen; |
2f619698 | 3523 | void *addr; |
992f48a0 | 3524 | abi_long ret; |
1be9e1dc | 3525 | |
2f619698 FB |
3526 | if (get_user_u32(addrlen, target_addrlen_addr)) |
3527 | return -TARGET_EFAULT; | |
3528 | ||
38724253 | 3529 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3530 | return -TARGET_EINVAL; |
38724253 | 3531 | } |
8f7aeaf6 | 3532 | |
917507b0 AP |
3533 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
3534 | return -TARGET_EFAULT; | |
3535 | ||
2f619698 FB |
3536 | addr = alloca(addrlen); |
3537 | ||
cd813367 AS |
3538 | ret_addrlen = addrlen; |
3539 | ret = get_errno(getpeername(fd, addr, &ret_addrlen)); | |
1be9e1dc | 3540 | if (!is_error(ret)) { |
cd813367 AS |
3541 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3542 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3543 | ret = -TARGET_EFAULT; |
cd813367 | 3544 | } |
1be9e1dc PB |
3545 | } |
3546 | return ret; | |
3547 | } | |
3548 | ||
0da46a6e | 3549 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 3550 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 3551 | abi_ulong target_addrlen_addr) |
1be9e1dc | 3552 | { |
cd813367 | 3553 | socklen_t addrlen, ret_addrlen; |
2f619698 | 3554 | void *addr; |
992f48a0 | 3555 | abi_long ret; |
1be9e1dc | 3556 | |
2f619698 FB |
3557 | if (get_user_u32(addrlen, target_addrlen_addr)) |
3558 | return -TARGET_EFAULT; | |
3559 | ||
38724253 | 3560 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3561 | return -TARGET_EINVAL; |
38724253 | 3562 | } |
8f7aeaf6 | 3563 | |
917507b0 AP |
3564 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
3565 | return -TARGET_EFAULT; | |
3566 | ||
2f619698 FB |
3567 | addr = alloca(addrlen); |
3568 | ||
cd813367 AS |
3569 | ret_addrlen = addrlen; |
3570 | ret = get_errno(getsockname(fd, addr, &ret_addrlen)); | |
1be9e1dc | 3571 | if (!is_error(ret)) { |
cd813367 AS |
3572 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3573 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3574 | ret = -TARGET_EFAULT; |
cd813367 | 3575 | } |
1be9e1dc PB |
3576 | } |
3577 | return ret; | |
3578 | } | |
3579 | ||
0da46a6e | 3580 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 3581 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 3582 | abi_ulong target_tab_addr) |
1be9e1dc PB |
3583 | { |
3584 | int tab[2]; | |
992f48a0 | 3585 | abi_long ret; |
1be9e1dc | 3586 | |
f651e6ae PJ |
3587 | target_to_host_sock_type(&type); |
3588 | ||
1be9e1dc PB |
3589 | ret = get_errno(socketpair(domain, type, protocol, tab)); |
3590 | if (!is_error(ret)) { | |
2f619698 FB |
3591 | if (put_user_s32(tab[0], target_tab_addr) |
3592 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
3593 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
3594 | } |
3595 | return ret; | |
3596 | } | |
3597 | ||
0da46a6e | 3598 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
3599 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
3600 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
3601 | { |
3602 | void *addr; | |
3603 | void *host_msg; | |
7d61d892 | 3604 | void *copy_msg = NULL; |
992f48a0 | 3605 | abi_long ret; |
1be9e1dc | 3606 | |
38724253 | 3607 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3608 | return -TARGET_EINVAL; |
38724253 | 3609 | } |
8f7aeaf6 | 3610 | |
579a97f7 FB |
3611 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
3612 | if (!host_msg) | |
3613 | return -TARGET_EFAULT; | |
6c5b5645 | 3614 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
3615 | copy_msg = host_msg; |
3616 | host_msg = g_malloc(len); | |
3617 | memcpy(host_msg, copy_msg, len); | |
6c5b5645 LV |
3618 | ret = fd_trans_target_to_host_data(fd)(host_msg, len); |
3619 | if (ret < 0) { | |
7d61d892 | 3620 | goto fail; |
6c5b5645 LV |
3621 | } |
3622 | } | |
1be9e1dc | 3623 | if (target_addr) { |
2dd08dfd | 3624 | addr = alloca(addrlen+1); |
7b36f782 | 3625 | ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen); |
917507b0 | 3626 | if (ret) { |
7d61d892 | 3627 | goto fail; |
917507b0 | 3628 | } |
66687530 | 3629 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen)); |
1be9e1dc | 3630 | } else { |
66687530 | 3631 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc | 3632 | } |
7d61d892 LV |
3633 | fail: |
3634 | if (copy_msg) { | |
3635 | g_free(host_msg); | |
3636 | host_msg = copy_msg; | |
3637 | } | |
1be9e1dc PB |
3638 | unlock_user(host_msg, msg, 0); |
3639 | return ret; | |
3640 | } | |
3641 | ||
0da46a6e | 3642 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
3643 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
3644 | abi_ulong target_addr, | |
3645 | abi_ulong target_addrlen) | |
1be9e1dc | 3646 | { |
cd813367 | 3647 | socklen_t addrlen, ret_addrlen; |
1be9e1dc PB |
3648 | void *addr; |
3649 | void *host_msg; | |
992f48a0 | 3650 | abi_long ret; |
1be9e1dc | 3651 | |
579a97f7 FB |
3652 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); |
3653 | if (!host_msg) | |
3654 | return -TARGET_EFAULT; | |
1be9e1dc | 3655 | if (target_addr) { |
2f619698 FB |
3656 | if (get_user_u32(addrlen, target_addrlen)) { |
3657 | ret = -TARGET_EFAULT; | |
3658 | goto fail; | |
3659 | } | |
38724253 | 3660 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
3661 | ret = -TARGET_EINVAL; |
3662 | goto fail; | |
3663 | } | |
1be9e1dc | 3664 | addr = alloca(addrlen); |
cd813367 | 3665 | ret_addrlen = addrlen; |
66687530 | 3666 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, |
cd813367 | 3667 | addr, &ret_addrlen)); |
1be9e1dc PB |
3668 | } else { |
3669 | addr = NULL; /* To keep compiler quiet. */ | |
cd813367 | 3670 | addrlen = 0; /* To keep compiler quiet. */ |
66687530 | 3671 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc PB |
3672 | } |
3673 | if (!is_error(ret)) { | |
c35e1f9c | 3674 | if (fd_trans_host_to_target_data(fd)) { |
2a03d3e6 LV |
3675 | abi_long trans; |
3676 | trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len)); | |
3677 | if (is_error(trans)) { | |
3678 | ret = trans; | |
3679 | goto fail; | |
3680 | } | |
c35e1f9c | 3681 | } |
1be9e1dc | 3682 | if (target_addr) { |
cd813367 AS |
3683 | host_to_target_sockaddr(target_addr, addr, |
3684 | MIN(addrlen, ret_addrlen)); | |
3685 | if (put_user_u32(ret_addrlen, target_addrlen)) { | |
2f619698 FB |
3686 | ret = -TARGET_EFAULT; |
3687 | goto fail; | |
3688 | } | |
1be9e1dc PB |
3689 | } |
3690 | unlock_user(host_msg, msg, len); | |
3691 | } else { | |
2f619698 | 3692 | fail: |
1be9e1dc PB |
3693 | unlock_user(host_msg, msg, 0); |
3694 | } | |
3695 | return ret; | |
3696 | } | |
3697 | ||
32407103 | 3698 | #ifdef TARGET_NR_socketcall |
ff71a454 | 3699 | /* do_socketcall() must return target values and target errnos. */ |
992f48a0 | 3700 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 3701 | { |
ff71a454 AM |
3702 | static const unsigned nargs[] = { /* number of arguments per operation */ |
3703 | [TARGET_SYS_SOCKET] = 3, /* domain, type, protocol */ | |
3704 | [TARGET_SYS_BIND] = 3, /* fd, addr, addrlen */ | |
3705 | [TARGET_SYS_CONNECT] = 3, /* fd, addr, addrlen */ | |
3706 | [TARGET_SYS_LISTEN] = 2, /* fd, backlog */ | |
3707 | [TARGET_SYS_ACCEPT] = 3, /* fd, addr, addrlen */ | |
3708 | [TARGET_SYS_GETSOCKNAME] = 3, /* fd, addr, addrlen */ | |
3709 | [TARGET_SYS_GETPEERNAME] = 3, /* fd, addr, addrlen */ | |
3710 | [TARGET_SYS_SOCKETPAIR] = 4, /* domain, type, protocol, tab */ | |
3711 | [TARGET_SYS_SEND] = 4, /* fd, msg, len, flags */ | |
3712 | [TARGET_SYS_RECV] = 4, /* fd, msg, len, flags */ | |
3713 | [TARGET_SYS_SENDTO] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3714 | [TARGET_SYS_RECVFROM] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3715 | [TARGET_SYS_SHUTDOWN] = 2, /* fd, how */ | |
3716 | [TARGET_SYS_SETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3717 | [TARGET_SYS_GETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3718 | [TARGET_SYS_SENDMSG] = 3, /* fd, msg, flags */ | |
3719 | [TARGET_SYS_RECVMSG] = 3, /* fd, msg, flags */ | |
3720 | [TARGET_SYS_ACCEPT4] = 4, /* fd, addr, addrlen, flags */ | |
3721 | [TARGET_SYS_RECVMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
3722 | [TARGET_SYS_SENDMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
62dc90c6 MT |
3723 | }; |
3724 | abi_long a[6]; /* max 6 args */ | |
ff71a454 | 3725 | unsigned i; |
62dc90c6 | 3726 | |
ff71a454 AM |
3727 | /* check the range of the first argument num */ |
3728 | /* (TARGET_SYS_SENDMMSG is the highest among TARGET_SYS_xxx) */ | |
3729 | if (num < 1 || num > TARGET_SYS_SENDMMSG) { | |
3730 | return -TARGET_EINVAL; | |
3731 | } | |
3732 | /* ensure we have space for args */ | |
3733 | if (nargs[num] > ARRAY_SIZE(a)) { | |
3734 | return -TARGET_EINVAL; | |
3735 | } | |
3736 | /* collect the arguments in a[] according to nargs[] */ | |
3737 | for (i = 0; i < nargs[num]; ++i) { | |
3738 | if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) { | |
3739 | return -TARGET_EFAULT; | |
31e31b8a | 3740 | } |
62dc90c6 | 3741 | } |
ff71a454 | 3742 | /* now when we have the args, invoke the appropriate underlying function */ |
62dc90c6 | 3743 | switch (num) { |
ff71a454 | 3744 | case TARGET_SYS_SOCKET: /* domain, type, protocol */ |
62dc90c6 | 3745 | return do_socket(a[0], a[1], a[2]); |
ff71a454 | 3746 | case TARGET_SYS_BIND: /* sockfd, addr, addrlen */ |
62dc90c6 | 3747 | return do_bind(a[0], a[1], a[2]); |
ff71a454 | 3748 | case TARGET_SYS_CONNECT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3749 | return do_connect(a[0], a[1], a[2]); |
ff71a454 | 3750 | case TARGET_SYS_LISTEN: /* sockfd, backlog */ |
62dc90c6 | 3751 | return get_errno(listen(a[0], a[1])); |
ff71a454 | 3752 | case TARGET_SYS_ACCEPT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3753 | return do_accept4(a[0], a[1], a[2], 0); |
ff71a454 | 3754 | case TARGET_SYS_GETSOCKNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3755 | return do_getsockname(a[0], a[1], a[2]); |
ff71a454 | 3756 | case TARGET_SYS_GETPEERNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3757 | return do_getpeername(a[0], a[1], a[2]); |
ff71a454 | 3758 | case TARGET_SYS_SOCKETPAIR: /* domain, type, protocol, tab */ |
62dc90c6 | 3759 | return do_socketpair(a[0], a[1], a[2], a[3]); |
ff71a454 | 3760 | case TARGET_SYS_SEND: /* sockfd, msg, len, flags */ |
62dc90c6 | 3761 | return do_sendto(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3762 | case TARGET_SYS_RECV: /* sockfd, msg, len, flags */ |
62dc90c6 | 3763 | return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3764 | case TARGET_SYS_SENDTO: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3765 | return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3766 | case TARGET_SYS_RECVFROM: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3767 | return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3768 | case TARGET_SYS_SHUTDOWN: /* sockfd, how */ |
62dc90c6 | 3769 | return get_errno(shutdown(a[0], a[1])); |
ff71a454 AM |
3770 | case TARGET_SYS_SETSOCKOPT: /* sockfd, level, optname, optval, optlen */ |
3771 | return do_setsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3772 | case TARGET_SYS_GETSOCKOPT: /* sockfd, level, optname, optval, optlen */ | |
3773 | return do_getsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3774 | case TARGET_SYS_SENDMSG: /* sockfd, msg, flags */ | |
62dc90c6 | 3775 | return do_sendrecvmsg(a[0], a[1], a[2], 1); |
ff71a454 | 3776 | case TARGET_SYS_RECVMSG: /* sockfd, msg, flags */ |
62dc90c6 | 3777 | return do_sendrecvmsg(a[0], a[1], a[2], 0); |
ff71a454 AM |
3778 | case TARGET_SYS_ACCEPT4: /* sockfd, addr, addrlen, flags */ |
3779 | return do_accept4(a[0], a[1], a[2], a[3]); | |
3780 | case TARGET_SYS_RECVMMSG: /* sockfd, msgvec, vlen, flags */ | |
5a53dc50 | 3781 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0); |
ff71a454 AM |
3782 | case TARGET_SYS_SENDMMSG: /* sockfd, msgvec, vlen, flags */ |
3783 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1); | |
31e31b8a | 3784 | default: |
39be5350 | 3785 | qemu_log_mask(LOG_UNIMP, "Unsupported socketcall: %d\n", num); |
ff71a454 | 3786 | return -TARGET_EINVAL; |
31e31b8a | 3787 | } |
31e31b8a | 3788 | } |
32407103 | 3789 | #endif |
31e31b8a | 3790 | |
8853f86e FB |
3791 | #define N_SHM_REGIONS 32 |
3792 | ||
3793 | static struct shm_region { | |
b6e17875 PM |
3794 | abi_ulong start; |
3795 | abi_ulong size; | |
3796 | bool in_use; | |
8853f86e FB |
3797 | } shm_regions[N_SHM_REGIONS]; |
3798 | ||
005eb2ae PM |
3799 | #ifndef TARGET_SEMID64_DS |
3800 | /* asm-generic version of this struct */ | |
3801 | struct target_semid64_ds | |
3eb6b044 TS |
3802 | { |
3803 | struct target_ipc_perm sem_perm; | |
992f48a0 | 3804 | abi_ulong sem_otime; |
005eb2ae | 3805 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3806 | abi_ulong __unused1; |
03527344 | 3807 | #endif |
992f48a0 | 3808 | abi_ulong sem_ctime; |
005eb2ae | 3809 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3810 | abi_ulong __unused2; |
03527344 | 3811 | #endif |
992f48a0 BS |
3812 | abi_ulong sem_nsems; |
3813 | abi_ulong __unused3; | |
3814 | abi_ulong __unused4; | |
3eb6b044 | 3815 | }; |
005eb2ae | 3816 | #endif |
3eb6b044 | 3817 | |
579a97f7 FB |
3818 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
3819 | abi_ulong target_addr) | |
3eb6b044 TS |
3820 | { |
3821 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3822 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3823 | |
579a97f7 FB |
3824 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3825 | return -TARGET_EFAULT; | |
e8bbe36c | 3826 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3827 | host_ip->__key = tswap32(target_ip->__key); |
3828 | host_ip->uid = tswap32(target_ip->uid); | |
3829 | host_ip->gid = tswap32(target_ip->gid); | |
3830 | host_ip->cuid = tswap32(target_ip->cuid); | |
3831 | host_ip->cgid = tswap32(target_ip->cgid); | |
3832 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3833 | host_ip->mode = tswap32(target_ip->mode); | |
3834 | #else | |
cbb21eed | 3835 | host_ip->mode = tswap16(target_ip->mode); |
55a2b163 PJ |
3836 | #endif |
3837 | #if defined(TARGET_PPC) | |
3838 | host_ip->__seq = tswap32(target_ip->__seq); | |
3839 | #else | |
3840 | host_ip->__seq = tswap16(target_ip->__seq); | |
3841 | #endif | |
3eb6b044 | 3842 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3843 | return 0; |
3eb6b044 TS |
3844 | } |
3845 | ||
579a97f7 FB |
3846 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
3847 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
3848 | { |
3849 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3850 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3851 | |
579a97f7 FB |
3852 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3853 | return -TARGET_EFAULT; | |
3eb6b044 | 3854 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3855 | target_ip->__key = tswap32(host_ip->__key); |
3856 | target_ip->uid = tswap32(host_ip->uid); | |
3857 | target_ip->gid = tswap32(host_ip->gid); | |
3858 | target_ip->cuid = tswap32(host_ip->cuid); | |
3859 | target_ip->cgid = tswap32(host_ip->cgid); | |
3860 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3861 | target_ip->mode = tswap32(host_ip->mode); | |
3862 | #else | |
cbb21eed | 3863 | target_ip->mode = tswap16(host_ip->mode); |
55a2b163 PJ |
3864 | #endif |
3865 | #if defined(TARGET_PPC) | |
3866 | target_ip->__seq = tswap32(host_ip->__seq); | |
3867 | #else | |
3868 | target_ip->__seq = tswap16(host_ip->__seq); | |
3869 | #endif | |
3eb6b044 | 3870 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3871 | return 0; |
3eb6b044 TS |
3872 | } |
3873 | ||
579a97f7 FB |
3874 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
3875 | abi_ulong target_addr) | |
3eb6b044 | 3876 | { |
005eb2ae | 3877 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3878 | |
579a97f7 FB |
3879 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3880 | return -TARGET_EFAULT; | |
e5289087 AJ |
3881 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
3882 | return -TARGET_EFAULT; | |
cbb21eed MB |
3883 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
3884 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
3885 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 3886 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3887 | return 0; |
3eb6b044 TS |
3888 | } |
3889 | ||
579a97f7 FB |
3890 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
3891 | struct semid_ds *host_sd) | |
3eb6b044 | 3892 | { |
005eb2ae | 3893 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3894 | |
579a97f7 FB |
3895 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3896 | return -TARGET_EFAULT; | |
e5289087 | 3897 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 3898 | return -TARGET_EFAULT; |
cbb21eed MB |
3899 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
3900 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
3901 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 3902 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3903 | return 0; |
3eb6b044 TS |
3904 | } |
3905 | ||
e5289087 AJ |
3906 | struct target_seminfo { |
3907 | int semmap; | |
3908 | int semmni; | |
3909 | int semmns; | |
3910 | int semmnu; | |
3911 | int semmsl; | |
3912 | int semopm; | |
3913 | int semume; | |
3914 | int semusz; | |
3915 | int semvmx; | |
3916 | int semaem; | |
3917 | }; | |
3918 | ||
3919 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
3920 | struct seminfo *host_seminfo) | |
3921 | { | |
3922 | struct target_seminfo *target_seminfo; | |
3923 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
3924 | return -TARGET_EFAULT; | |
3925 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
3926 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
3927 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
3928 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
3929 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
3930 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
3931 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
3932 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
3933 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
3934 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
3935 | unlock_user_struct(target_seminfo, target_addr, 1); | |
3936 | return 0; | |
3937 | } | |
3938 | ||
fa294816 TS |
3939 | union semun { |
3940 | int val; | |
3eb6b044 | 3941 | struct semid_ds *buf; |
fa294816 | 3942 | unsigned short *array; |
e5289087 | 3943 | struct seminfo *__buf; |
fa294816 TS |
3944 | }; |
3945 | ||
3eb6b044 TS |
3946 | union target_semun { |
3947 | int val; | |
e5289087 AJ |
3948 | abi_ulong buf; |
3949 | abi_ulong array; | |
3950 | abi_ulong __buf; | |
3eb6b044 TS |
3951 | }; |
3952 | ||
e5289087 AJ |
3953 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
3954 | abi_ulong target_addr) | |
3eb6b044 | 3955 | { |
e5289087 AJ |
3956 | int nsems; |
3957 | unsigned short *array; | |
3958 | union semun semun; | |
3959 | struct semid_ds semid_ds; | |
3960 | int i, ret; | |
3eb6b044 | 3961 | |
e5289087 AJ |
3962 | semun.buf = &semid_ds; |
3963 | ||
3964 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3965 | if (ret == -1) | |
3966 | return get_errno(ret); | |
3967 | ||
3968 | nsems = semid_ds.sem_nsems; | |
3969 | ||
0e173b24 | 3970 | *host_array = g_try_new(unsigned short, nsems); |
69d4c703 PM |
3971 | if (!*host_array) { |
3972 | return -TARGET_ENOMEM; | |
3973 | } | |
e5289087 AJ |
3974 | array = lock_user(VERIFY_READ, target_addr, |
3975 | nsems*sizeof(unsigned short), 1); | |
69d4c703 | 3976 | if (!array) { |
0e173b24 | 3977 | g_free(*host_array); |
e5289087 | 3978 | return -TARGET_EFAULT; |
69d4c703 | 3979 | } |
e5289087 AJ |
3980 | |
3981 | for(i=0; i<nsems; i++) { | |
3982 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3983 | } |
e5289087 AJ |
3984 | unlock_user(array, target_addr, 0); |
3985 | ||
579a97f7 | 3986 | return 0; |
3eb6b044 TS |
3987 | } |
3988 | ||
e5289087 AJ |
3989 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
3990 | unsigned short **host_array) | |
3eb6b044 | 3991 | { |
e5289087 AJ |
3992 | int nsems; |
3993 | unsigned short *array; | |
3994 | union semun semun; | |
3995 | struct semid_ds semid_ds; | |
3996 | int i, ret; | |
3eb6b044 | 3997 | |
e5289087 AJ |
3998 | semun.buf = &semid_ds; |
3999 | ||
4000 | ret = semctl(semid, 0, IPC_STAT, semun); | |
4001 | if (ret == -1) | |
4002 | return get_errno(ret); | |
4003 | ||
4004 | nsems = semid_ds.sem_nsems; | |
4005 | ||
4006 | array = lock_user(VERIFY_WRITE, target_addr, | |
4007 | nsems*sizeof(unsigned short), 0); | |
4008 | if (!array) | |
4009 | return -TARGET_EFAULT; | |
4010 | ||
4011 | for(i=0; i<nsems; i++) { | |
4012 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 4013 | } |
0e173b24 | 4014 | g_free(*host_array); |
e5289087 AJ |
4015 | unlock_user(array, target_addr, 1); |
4016 | ||
579a97f7 | 4017 | return 0; |
3eb6b044 TS |
4018 | } |
4019 | ||
e5289087 | 4020 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
d1c002b6 | 4021 | abi_ulong target_arg) |
3eb6b044 | 4022 | { |
d1c002b6 | 4023 | union target_semun target_su = { .buf = target_arg }; |
3eb6b044 TS |
4024 | union semun arg; |
4025 | struct semid_ds dsarg; | |
7b8118e8 | 4026 | unsigned short *array = NULL; |
e5289087 AJ |
4027 | struct seminfo seminfo; |
4028 | abi_long ret = -TARGET_EINVAL; | |
4029 | abi_long err; | |
4030 | cmd &= 0xff; | |
3eb6b044 TS |
4031 | |
4032 | switch( cmd ) { | |
4033 | case GETVAL: | |
3eb6b044 | 4034 | case SETVAL: |
5464baec TM |
4035 | /* In 64 bit cross-endian situations, we will erroneously pick up |
4036 | * the wrong half of the union for the "val" element. To rectify | |
4037 | * this, the entire 8-byte structure is byteswapped, followed by | |
4038 | * a swap of the 4 byte val field. In other cases, the data is | |
4039 | * already in proper host byte order. */ | |
4040 | if (sizeof(target_su.val) != (sizeof(target_su.buf))) { | |
4041 | target_su.buf = tswapal(target_su.buf); | |
4042 | arg.val = tswap32(target_su.val); | |
4043 | } else { | |
4044 | arg.val = target_su.val; | |
4045 | } | |
e5289087 | 4046 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
3eb6b044 TS |
4047 | break; |
4048 | case GETALL: | |
3eb6b044 | 4049 | case SETALL: |
e5289087 AJ |
4050 | err = target_to_host_semarray(semid, &array, target_su.array); |
4051 | if (err) | |
4052 | return err; | |
4053 | arg.array = array; | |
4054 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
4055 | err = host_to_target_semarray(semid, target_su.array, &array); | |
4056 | if (err) | |
4057 | return err; | |
3eb6b044 TS |
4058 | break; |
4059 | case IPC_STAT: | |
3eb6b044 | 4060 | case IPC_SET: |
e5289087 AJ |
4061 | case SEM_STAT: |
4062 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
4063 | if (err) | |
4064 | return err; | |
4065 | arg.buf = &dsarg; | |
4066 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
4067 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
4068 | if (err) | |
4069 | return err; | |
4070 | break; | |
4071 | case IPC_INFO: | |
4072 | case SEM_INFO: | |
4073 | arg.__buf = &seminfo; | |
4074 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
4075 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
4076 | if (err) | |
4077 | return err; | |
4078 | break; | |
4079 | case IPC_RMID: | |
4080 | case GETPID: | |
4081 | case GETNCNT: | |
4082 | case GETZCNT: | |
4083 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 4084 | break; |
3eb6b044 TS |
4085 | } |
4086 | ||
4087 | return ret; | |
4088 | } | |
4089 | ||
e5289087 AJ |
4090 | struct target_sembuf { |
4091 | unsigned short sem_num; | |
4092 | short sem_op; | |
4093 | short sem_flg; | |
4094 | }; | |
4095 | ||
4096 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
4097 | abi_ulong target_addr, | |
4098 | unsigned nsops) | |
4099 | { | |
4100 | struct target_sembuf *target_sembuf; | |
4101 | int i; | |
4102 | ||
4103 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
4104 | nsops*sizeof(struct target_sembuf), 1); | |
4105 | if (!target_sembuf) | |
4106 | return -TARGET_EFAULT; | |
4107 | ||
4108 | for(i=0; i<nsops; i++) { | |
4109 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
4110 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
4111 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
4112 | } | |
4113 | ||
4114 | unlock_user(target_sembuf, target_addr, 0); | |
4115 | ||
4116 | return 0; | |
4117 | } | |
4118 | ||
d8c08b1e | 4119 | #if defined(TARGET_NR_ipc) || defined(TARGET_NR_semop) || \ |
cac46eb0 | 4120 | defined(TARGET_NR_semtimedop) || defined(TARGET_NR_semtimedop_time64) |
d8c08b1e MK |
4121 | |
4122 | /* | |
4123 | * This macro is required to handle the s390 variants, which passes the | |
4124 | * arguments in a different order than default. | |
4125 | */ | |
4126 | #ifdef __s390x__ | |
4127 | #define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \ | |
4128 | (__nsops), (__timeout), (__sops) | |
4129 | #else | |
4130 | #define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \ | |
4131 | (__nsops), 0, (__sops), (__timeout) | |
4132 | #endif | |
4133 | ||
4134 | static inline abi_long do_semtimedop(int semid, | |
4135 | abi_long ptr, | |
4136 | unsigned nsops, | |
cac46eb0 | 4137 | abi_long timeout, bool time64) |
e5289087 | 4138 | { |
0a7ec849 | 4139 | struct sembuf *sops; |
d8c08b1e | 4140 | struct timespec ts, *pts = NULL; |
524fa340 | 4141 | abi_long ret; |
e5289087 | 4142 | |
d8c08b1e MK |
4143 | if (timeout) { |
4144 | pts = &ts; | |
cac46eb0 FB |
4145 | if (time64) { |
4146 | if (target_to_host_timespec64(pts, timeout)) { | |
4147 | return -TARGET_EFAULT; | |
4148 | } | |
4149 | } else { | |
4150 | if (target_to_host_timespec(pts, timeout)) { | |
4151 | return -TARGET_EFAULT; | |
4152 | } | |
d8c08b1e MK |
4153 | } |
4154 | } | |
4155 | ||
0a7ec849 FB |
4156 | if (nsops > TARGET_SEMOPM) { |
4157 | return -TARGET_E2BIG; | |
4158 | } | |
4159 | ||
4160 | sops = g_new(struct sembuf, nsops); | |
4161 | ||
4162 | if (target_to_host_sembuf(sops, ptr, nsops)) { | |
4163 | g_free(sops); | |
e5289087 | 4164 | return -TARGET_EFAULT; |
0a7ec849 | 4165 | } |
e5289087 | 4166 | |
524fa340 LV |
4167 | ret = -TARGET_ENOSYS; |
4168 | #ifdef __NR_semtimedop | |
d8c08b1e | 4169 | ret = get_errno(safe_semtimedop(semid, sops, nsops, pts)); |
524fa340 LV |
4170 | #endif |
4171 | #ifdef __NR_ipc | |
4172 | if (ret == -TARGET_ENOSYS) { | |
d8c08b1e MK |
4173 | ret = get_errno(safe_ipc(IPCOP_semtimedop, semid, |
4174 | SEMTIMEDOP_IPC_ARGS(nsops, sops, (long)pts))); | |
524fa340 LV |
4175 | } |
4176 | #endif | |
0a7ec849 | 4177 | g_free(sops); |
524fa340 | 4178 | return ret; |
e5289087 | 4179 | } |
d8c08b1e | 4180 | #endif |
e5289087 | 4181 | |
1bc012f6 TS |
4182 | struct target_msqid_ds |
4183 | { | |
1c54ff97 AJ |
4184 | struct target_ipc_perm msg_perm; |
4185 | abi_ulong msg_stime; | |
4186 | #if TARGET_ABI_BITS == 32 | |
4187 | abi_ulong __unused1; | |
4188 | #endif | |
4189 | abi_ulong msg_rtime; | |
4190 | #if TARGET_ABI_BITS == 32 | |
4191 | abi_ulong __unused2; | |
4192 | #endif | |
4193 | abi_ulong msg_ctime; | |
4194 | #if TARGET_ABI_BITS == 32 | |
4195 | abi_ulong __unused3; | |
4196 | #endif | |
4197 | abi_ulong __msg_cbytes; | |
4198 | abi_ulong msg_qnum; | |
4199 | abi_ulong msg_qbytes; | |
4200 | abi_ulong msg_lspid; | |
4201 | abi_ulong msg_lrpid; | |
4202 | abi_ulong __unused4; | |
4203 | abi_ulong __unused5; | |
1bc012f6 TS |
4204 | }; |
4205 | ||
579a97f7 FB |
4206 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
4207 | abi_ulong target_addr) | |
1bc012f6 TS |
4208 | { |
4209 | struct target_msqid_ds *target_md; | |
4210 | ||
579a97f7 FB |
4211 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
4212 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
4213 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
4214 | return -TARGET_EFAULT; | |
cbb21eed MB |
4215 | host_md->msg_stime = tswapal(target_md->msg_stime); |
4216 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
4217 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
4218 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
4219 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
4220 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
4221 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
4222 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 4223 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 4224 | return 0; |
1bc012f6 TS |
4225 | } |
4226 | ||
579a97f7 FB |
4227 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
4228 | struct msqid_ds *host_md) | |
1bc012f6 TS |
4229 | { |
4230 | struct target_msqid_ds *target_md; | |
4231 | ||
579a97f7 FB |
4232 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
4233 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
4234 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
4235 | return -TARGET_EFAULT; | |
cbb21eed MB |
4236 | target_md->msg_stime = tswapal(host_md->msg_stime); |
4237 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
4238 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
4239 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
4240 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
4241 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
4242 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
4243 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 4244 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 4245 | return 0; |
1bc012f6 TS |
4246 | } |
4247 | ||
1c54ff97 AJ |
4248 | struct target_msginfo { |
4249 | int msgpool; | |
4250 | int msgmap; | |
4251 | int msgmax; | |
4252 | int msgmnb; | |
4253 | int msgmni; | |
4254 | int msgssz; | |
4255 | int msgtql; | |
4256 | unsigned short int msgseg; | |
4257 | }; | |
4258 | ||
4259 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
4260 | struct msginfo *host_msginfo) | |
4261 | { | |
4262 | struct target_msginfo *target_msginfo; | |
4263 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
4264 | return -TARGET_EFAULT; | |
4265 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
4266 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
4267 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
4268 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
4269 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
4270 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
4271 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
4272 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
4273 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 4274 | return 0; |
1c54ff97 AJ |
4275 | } |
4276 | ||
4277 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
4278 | { |
4279 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
4280 | struct msginfo msginfo; |
4281 | abi_long ret = -TARGET_EINVAL; | |
4282 | ||
4283 | cmd &= 0xff; | |
4284 | ||
4285 | switch (cmd) { | |
1bc012f6 TS |
4286 | case IPC_STAT: |
4287 | case IPC_SET: | |
1c54ff97 AJ |
4288 | case MSG_STAT: |
4289 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
4290 | return -TARGET_EFAULT; | |
4291 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
4292 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
4293 | return -TARGET_EFAULT; | |
4294 | break; | |
4295 | case IPC_RMID: | |
4296 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
4297 | break; | |
4298 | case IPC_INFO: | |
4299 | case MSG_INFO: | |
4300 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
4301 | if (host_to_target_msginfo(ptr, &msginfo)) | |
4302 | return -TARGET_EFAULT; | |
4303 | break; | |
1bc012f6 | 4304 | } |
1c54ff97 | 4305 | |
1bc012f6 TS |
4306 | return ret; |
4307 | } | |
4308 | ||
4309 | struct target_msgbuf { | |
1c54ff97 AJ |
4310 | abi_long mtype; |
4311 | char mtext[1]; | |
1bc012f6 TS |
4312 | }; |
4313 | ||
992f48a0 | 4314 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
edcc5f9d | 4315 | ssize_t msgsz, int msgflg) |
1bc012f6 TS |
4316 | { |
4317 | struct target_msgbuf *target_mb; | |
4318 | struct msgbuf *host_mb; | |
992f48a0 | 4319 | abi_long ret = 0; |
1bc012f6 | 4320 | |
edcc5f9d TM |
4321 | if (msgsz < 0) { |
4322 | return -TARGET_EINVAL; | |
4323 | } | |
4324 | ||
579a97f7 FB |
4325 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
4326 | return -TARGET_EFAULT; | |
0e173b24 | 4327 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
29e03fcb HZ |
4328 | if (!host_mb) { |
4329 | unlock_user_struct(target_mb, msgp, 0); | |
4330 | return -TARGET_ENOMEM; | |
4331 | } | |
cbb21eed | 4332 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 4333 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
524fa340 LV |
4334 | ret = -TARGET_ENOSYS; |
4335 | #ifdef __NR_msgsnd | |
89f9fe44 | 4336 | ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg)); |
524fa340 LV |
4337 | #endif |
4338 | #ifdef __NR_ipc | |
4339 | if (ret == -TARGET_ENOSYS) { | |
d8c08b1e MK |
4340 | #ifdef __s390x__ |
4341 | ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, | |
4342 | host_mb)); | |
4343 | #else | |
524fa340 LV |
4344 | ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, |
4345 | host_mb, 0)); | |
d8c08b1e | 4346 | #endif |
524fa340 LV |
4347 | } |
4348 | #endif | |
0e173b24 | 4349 | g_free(host_mb); |
1bc012f6 TS |
4350 | unlock_user_struct(target_mb, msgp, 0); |
4351 | ||
4352 | return ret; | |
4353 | } | |
4354 | ||
d8c08b1e MK |
4355 | #ifdef __NR_ipc |
4356 | #if defined(__sparc__) | |
4357 | /* SPARC for msgrcv it does not use the kludge on final 2 arguments. */ | |
4358 | #define MSGRCV_ARGS(__msgp, __msgtyp) __msgp, __msgtyp | |
4359 | #elif defined(__s390x__) | |
4360 | /* The s390 sys_ipc variant has only five parameters. */ | |
4361 | #define MSGRCV_ARGS(__msgp, __msgtyp) \ | |
4362 | ((long int[]){(long int)__msgp, __msgtyp}) | |
4363 | #else | |
4364 | #define MSGRCV_ARGS(__msgp, __msgtyp) \ | |
4365 | ((long int[]){(long int)__msgp, __msgtyp}), 0 | |
4366 | #endif | |
4367 | #endif | |
4368 | ||
992f48a0 | 4369 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
99874f65 | 4370 | ssize_t msgsz, abi_long msgtyp, |
992f48a0 | 4371 | int msgflg) |
1bc012f6 TS |
4372 | { |
4373 | struct target_msgbuf *target_mb; | |
579a97f7 | 4374 | char *target_mtext; |
1bc012f6 | 4375 | struct msgbuf *host_mb; |
992f48a0 | 4376 | abi_long ret = 0; |
1bc012f6 | 4377 | |
99874f65 PM |
4378 | if (msgsz < 0) { |
4379 | return -TARGET_EINVAL; | |
4380 | } | |
4381 | ||
579a97f7 FB |
4382 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
4383 | return -TARGET_EFAULT; | |
1c54ff97 | 4384 | |
415d8471 PM |
4385 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
4386 | if (!host_mb) { | |
4387 | ret = -TARGET_ENOMEM; | |
4388 | goto end; | |
4389 | } | |
524fa340 LV |
4390 | ret = -TARGET_ENOSYS; |
4391 | #ifdef __NR_msgrcv | |
89f9fe44 | 4392 | ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
524fa340 LV |
4393 | #endif |
4394 | #ifdef __NR_ipc | |
4395 | if (ret == -TARGET_ENOSYS) { | |
4396 | ret = get_errno(safe_ipc(IPCOP_CALL(1, IPCOP_msgrcv), msqid, msgsz, | |
d8c08b1e | 4397 | msgflg, MSGRCV_ARGS(host_mb, msgtyp))); |
524fa340 LV |
4398 | } |
4399 | #endif | |
1c54ff97 | 4400 | |
579a97f7 FB |
4401 | if (ret > 0) { |
4402 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
4403 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
4404 | if (!target_mtext) { | |
4405 | ret = -TARGET_EFAULT; | |
4406 | goto end; | |
4407 | } | |
1c54ff97 | 4408 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
4409 | unlock_user(target_mtext, target_mtext_addr, ret); |
4410 | } | |
1c54ff97 | 4411 | |
cbb21eed | 4412 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 4413 | |
579a97f7 FB |
4414 | end: |
4415 | if (target_mb) | |
4416 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 4417 | g_free(host_mb); |
1bc012f6 TS |
4418 | return ret; |
4419 | } | |
4420 | ||
88a8c984 RV |
4421 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
4422 | abi_ulong target_addr) | |
4423 | { | |
4424 | struct target_shmid_ds *target_sd; | |
4425 | ||
4426 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
4427 | return -TARGET_EFAULT; | |
4428 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
4429 | return -TARGET_EFAULT; | |
4430 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
4431 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
4432 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
4433 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
4434 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
4435 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
4436 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
4437 | unlock_user_struct(target_sd, target_addr, 0); | |
4438 | return 0; | |
4439 | } | |
4440 | ||
4441 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
4442 | struct shmid_ds *host_sd) | |
4443 | { | |
4444 | struct target_shmid_ds *target_sd; | |
4445 | ||
4446 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
4447 | return -TARGET_EFAULT; | |
4448 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
4449 | return -TARGET_EFAULT; | |
4450 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
4451 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
4452 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
4453 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
4454 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
4455 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
4456 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
4457 | unlock_user_struct(target_sd, target_addr, 1); | |
4458 | return 0; | |
4459 | } | |
4460 | ||
4461 | struct target_shminfo { | |
4462 | abi_ulong shmmax; | |
4463 | abi_ulong shmmin; | |
4464 | abi_ulong shmmni; | |
4465 | abi_ulong shmseg; | |
4466 | abi_ulong shmall; | |
4467 | }; | |
4468 | ||
4469 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
4470 | struct shminfo *host_shminfo) | |
4471 | { | |
4472 | struct target_shminfo *target_shminfo; | |
4473 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
4474 | return -TARGET_EFAULT; | |
4475 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
4476 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
4477 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
4478 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
4479 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
4480 | unlock_user_struct(target_shminfo, target_addr, 1); | |
4481 | return 0; | |
4482 | } | |
4483 | ||
4484 | struct target_shm_info { | |
4485 | int used_ids; | |
4486 | abi_ulong shm_tot; | |
4487 | abi_ulong shm_rss; | |
4488 | abi_ulong shm_swp; | |
4489 | abi_ulong swap_attempts; | |
4490 | abi_ulong swap_successes; | |
4491 | }; | |
4492 | ||
4493 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
4494 | struct shm_info *host_shm_info) | |
4495 | { | |
4496 | struct target_shm_info *target_shm_info; | |
4497 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
4498 | return -TARGET_EFAULT; | |
4499 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
4500 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
4501 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
4502 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
4503 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
4504 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
4505 | unlock_user_struct(target_shm_info, target_addr, 1); | |
4506 | return 0; | |
4507 | } | |
4508 | ||
4509 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
4510 | { | |
4511 | struct shmid_ds dsarg; | |
4512 | struct shminfo shminfo; | |
4513 | struct shm_info shm_info; | |
4514 | abi_long ret = -TARGET_EINVAL; | |
4515 | ||
4516 | cmd &= 0xff; | |
4517 | ||
4518 | switch(cmd) { | |
4519 | case IPC_STAT: | |
4520 | case IPC_SET: | |
4521 | case SHM_STAT: | |
4522 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
4523 | return -TARGET_EFAULT; | |
4524 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
4525 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
4526 | return -TARGET_EFAULT; | |
4527 | break; | |
4528 | case IPC_INFO: | |
4529 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
4530 | if (host_to_target_shminfo(buf, &shminfo)) | |
4531 | return -TARGET_EFAULT; | |
4532 | break; | |
4533 | case SHM_INFO: | |
4534 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
4535 | if (host_to_target_shm_info(buf, &shm_info)) | |
4536 | return -TARGET_EFAULT; | |
4537 | break; | |
4538 | case IPC_RMID: | |
4539 | case SHM_LOCK: | |
4540 | case SHM_UNLOCK: | |
4541 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
4542 | break; | |
4543 | } | |
4544 | ||
4545 | return ret; | |
4546 | } | |
4547 | ||
ee8e7614 PM |
4548 | #ifndef TARGET_FORCE_SHMLBA |
4549 | /* For most architectures, SHMLBA is the same as the page size; | |
4550 | * some architectures have larger values, in which case they should | |
4551 | * define TARGET_FORCE_SHMLBA and provide a target_shmlba() function. | |
4552 | * This corresponds to the kernel arch code defining __ARCH_FORCE_SHMLBA | |
4553 | * and defining its own value for SHMLBA. | |
4554 | * | |
4555 | * The kernel also permits SHMLBA to be set by the architecture to a | |
4556 | * value larger than the page size without setting __ARCH_FORCE_SHMLBA; | |
4557 | * this means that addresses are rounded to the large size if | |
4558 | * SHM_RND is set but addresses not aligned to that size are not rejected | |
4559 | * as long as they are at least page-aligned. Since the only architecture | |
4560 | * which uses this is ia64 this code doesn't provide for that oddity. | |
4561 | */ | |
4562 | static inline abi_ulong target_shmlba(CPUArchState *cpu_env) | |
4563 | { | |
4564 | return TARGET_PAGE_SIZE; | |
4565 | } | |
4566 | #endif | |
4567 | ||
4568 | static inline abi_ulong do_shmat(CPUArchState *cpu_env, | |
4569 | int shmid, abi_ulong shmaddr, int shmflg) | |
88a8c984 RV |
4570 | { |
4571 | abi_long raddr; | |
4572 | void *host_raddr; | |
4573 | struct shmid_ds shm_info; | |
4574 | int i,ret; | |
ee8e7614 | 4575 | abi_ulong shmlba; |
88a8c984 RV |
4576 | |
4577 | /* find out the length of the shared memory segment */ | |
4578 | ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); | |
4579 | if (is_error(ret)) { | |
4580 | /* can't get length, bail out */ | |
4581 | return ret; | |
4582 | } | |
4583 | ||
ee8e7614 PM |
4584 | shmlba = target_shmlba(cpu_env); |
4585 | ||
4586 | if (shmaddr & (shmlba - 1)) { | |
4587 | if (shmflg & SHM_RND) { | |
4588 | shmaddr &= ~(shmlba - 1); | |
4589 | } else { | |
4590 | return -TARGET_EINVAL; | |
4591 | } | |
4592 | } | |
ebf9a363 MF |
4593 | if (!guest_range_valid(shmaddr, shm_info.shm_segsz)) { |
4594 | return -TARGET_EINVAL; | |
4595 | } | |
ee8e7614 | 4596 | |
88a8c984 RV |
4597 | mmap_lock(); |
4598 | ||
4599 | if (shmaddr) | |
4600 | host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg); | |
4601 | else { | |
4602 | abi_ulong mmap_start; | |
4603 | ||
30ab9ef2 RH |
4604 | /* In order to use the host shmat, we need to honor host SHMLBA. */ |
4605 | mmap_start = mmap_find_vma(0, shm_info.shm_segsz, MAX(SHMLBA, shmlba)); | |
88a8c984 RV |
4606 | |
4607 | if (mmap_start == -1) { | |
4608 | errno = ENOMEM; | |
4609 | host_raddr = (void *)-1; | |
4610 | } else | |
4611 | host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); | |
4612 | } | |
4613 | ||
4614 | if (host_raddr == (void *)-1) { | |
4615 | mmap_unlock(); | |
4616 | return get_errno((long)host_raddr); | |
4617 | } | |
4618 | raddr=h2g((unsigned long)host_raddr); | |
4619 | ||
4620 | page_set_flags(raddr, raddr + shm_info.shm_segsz, | |
4621 | PAGE_VALID | PAGE_READ | | |
4622 | ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE)); | |
4623 | ||
4624 | for (i = 0; i < N_SHM_REGIONS; i++) { | |
b6e17875 PM |
4625 | if (!shm_regions[i].in_use) { |
4626 | shm_regions[i].in_use = true; | |
88a8c984 RV |
4627 | shm_regions[i].start = raddr; |
4628 | shm_regions[i].size = shm_info.shm_segsz; | |
4629 | break; | |
4630 | } | |
4631 | } | |
4632 | ||
4633 | mmap_unlock(); | |
4634 | return raddr; | |
4635 | ||
4636 | } | |
4637 | ||
4638 | static inline abi_long do_shmdt(abi_ulong shmaddr) | |
4639 | { | |
4640 | int i; | |
3c5f6a5f MF |
4641 | abi_long rv; |
4642 | ||
4643 | mmap_lock(); | |
88a8c984 RV |
4644 | |
4645 | for (i = 0; i < N_SHM_REGIONS; ++i) { | |
b6e17875 PM |
4646 | if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) { |
4647 | shm_regions[i].in_use = false; | |
e00ac249 | 4648 | page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0); |
88a8c984 RV |
4649 | break; |
4650 | } | |
4651 | } | |
3c5f6a5f | 4652 | rv = get_errno(shmdt(g2h(shmaddr))); |
88a8c984 | 4653 | |
3c5f6a5f | 4654 | mmap_unlock(); |
88a8c984 | 4655 | |
3c5f6a5f | 4656 | return rv; |
88a8c984 RV |
4657 | } |
4658 | ||
1c54ff97 | 4659 | #ifdef TARGET_NR_ipc |
53a5960a | 4660 | /* ??? This only works with linear mappings. */ |
0da46a6e | 4661 | /* do_ipc() must return target values and target errnos. */ |
ee8e7614 PM |
4662 | static abi_long do_ipc(CPUArchState *cpu_env, |
4663 | unsigned int call, abi_long first, | |
37ed0956 | 4664 | abi_long second, abi_long third, |
992f48a0 | 4665 | abi_long ptr, abi_long fifth) |
8853f86e FB |
4666 | { |
4667 | int version; | |
992f48a0 | 4668 | abi_long ret = 0; |
8853f86e FB |
4669 | |
4670 | version = call >> 16; | |
4671 | call &= 0xffff; | |
4672 | ||
4673 | switch (call) { | |
fa294816 | 4674 | case IPCOP_semop: |
cac46eb0 | 4675 | ret = do_semtimedop(first, ptr, second, 0, false); |
d8c08b1e MK |
4676 | break; |
4677 | case IPCOP_semtimedop: | |
4678 | /* | |
4679 | * The s390 sys_ipc variant has only five parameters instead of six | |
4680 | * (as for default variant) and the only difference is the handling of | |
4681 | * SEMTIMEDOP where on s390 the third parameter is used as a pointer | |
4682 | * to a struct timespec where the generic variant uses fifth parameter. | |
4683 | */ | |
4684 | #if defined(TARGET_S390X) | |
cac46eb0 | 4685 | ret = do_semtimedop(first, ptr, second, third, TARGET_ABI_BITS == 64); |
d8c08b1e | 4686 | #else |
cac46eb0 | 4687 | ret = do_semtimedop(first, ptr, second, fifth, TARGET_ABI_BITS == 64); |
d8c08b1e | 4688 | #endif |
fa294816 TS |
4689 | break; |
4690 | ||
4691 | case IPCOP_semget: | |
4692 | ret = get_errno(semget(first, second, third)); | |
4693 | break; | |
4694 | ||
5d2fa8eb TM |
4695 | case IPCOP_semctl: { |
4696 | /* The semun argument to semctl is passed by value, so dereference the | |
4697 | * ptr argument. */ | |
4698 | abi_ulong atptr; | |
37ed0956 | 4699 | get_user_ual(atptr, ptr); |
d1c002b6 | 4700 | ret = do_semctl(first, second, third, atptr); |
fa294816 | 4701 | break; |
5d2fa8eb | 4702 | } |
d96372ef | 4703 | |
1c54ff97 AJ |
4704 | case IPCOP_msgget: |
4705 | ret = get_errno(msgget(first, second)); | |
4706 | break; | |
d96372ef | 4707 | |
1c54ff97 AJ |
4708 | case IPCOP_msgsnd: |
4709 | ret = do_msgsnd(first, ptr, second, third); | |
4710 | break; | |
d96372ef | 4711 | |
1c54ff97 AJ |
4712 | case IPCOP_msgctl: |
4713 | ret = do_msgctl(first, second, ptr); | |
4714 | break; | |
d96372ef | 4715 | |
1c54ff97 AJ |
4716 | case IPCOP_msgrcv: |
4717 | switch (version) { | |
4718 | case 0: | |
4719 | { | |
4720 | struct target_ipc_kludge { | |
4721 | abi_long msgp; | |
4722 | abi_long msgtyp; | |
4723 | } *tmp; | |
4724 | ||
4725 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
4726 | ret = -TARGET_EFAULT; | |
4727 | break; | |
4728 | } | |
d96372ef | 4729 | |
79dd77de | 4730 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 4731 | |
1c54ff97 AJ |
4732 | unlock_user_struct(tmp, ptr, 0); |
4733 | break; | |
4734 | } | |
4735 | default: | |
4736 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
4737 | } | |
4738 | break; | |
d96372ef | 4739 | |
8853f86e | 4740 | case IPCOP_shmat: |
88a8c984 RV |
4741 | switch (version) { |
4742 | default: | |
5a4a898d FB |
4743 | { |
4744 | abi_ulong raddr; | |
ee8e7614 | 4745 | raddr = do_shmat(cpu_env, first, ptr, second); |
88a8c984 RV |
4746 | if (is_error(raddr)) |
4747 | return get_errno(raddr); | |
2f619698 | 4748 | if (put_user_ual(raddr, third)) |
5a4a898d | 4749 | return -TARGET_EFAULT; |
88a8c984 RV |
4750 | break; |
4751 | } | |
4752 | case 1: | |
4753 | ret = -TARGET_EINVAL; | |
4754 | break; | |
5a4a898d | 4755 | } |
8853f86e FB |
4756 | break; |
4757 | case IPCOP_shmdt: | |
88a8c984 | 4758 | ret = do_shmdt(ptr); |
8853f86e FB |
4759 | break; |
4760 | ||
4761 | case IPCOP_shmget: | |
4762 | /* IPC_* flag values are the same on all linux platforms */ | |
4763 | ret = get_errno(shmget(first, second, third)); | |
4764 | break; | |
4765 | ||
4766 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
4767 | case IPCOP_shmctl: | |
a2926784 | 4768 | ret = do_shmctl(first, second, ptr); |
8853f86e FB |
4769 | break; |
4770 | default: | |
39be5350 JK |
4771 | qemu_log_mask(LOG_UNIMP, "Unsupported ipc call: %d (version %d)\n", |
4772 | call, version); | |
0da46a6e | 4773 | ret = -TARGET_ENOSYS; |
8853f86e FB |
4774 | break; |
4775 | } | |
4776 | return ret; | |
4777 | } | |
32407103 | 4778 | #endif |
8853f86e | 4779 | |
31e31b8a | 4780 | /* kernel structure types definitions */ |
31e31b8a | 4781 | |
001faf32 | 4782 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
4783 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
4784 | enum { | |
4785 | #include "syscall_types.h" | |
8be656b8 | 4786 | STRUCT_MAX |
31e31b8a FB |
4787 | }; |
4788 | #undef STRUCT | |
4789 | #undef STRUCT_SPECIAL | |
4790 | ||
001faf32 | 4791 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
4792 | #define STRUCT_SPECIAL(name) |
4793 | #include "syscall_types.h" | |
4794 | #undef STRUCT | |
4795 | #undef STRUCT_SPECIAL | |
4796 | ||
31e31b8a FB |
4797 | #define MAX_STRUCT_SIZE 4096 |
4798 | ||
dace20dc | 4799 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
4800 | /* So fiemap access checks don't overflow on 32 bit systems. |
4801 | * This is very slightly smaller than the limit imposed by | |
4802 | * the underlying kernel. | |
4803 | */ | |
4804 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
4805 | / sizeof(struct fiemap_extent)) | |
4806 | ||
4807 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 4808 | int fd, int cmd, abi_long arg) |
285da2b9 PM |
4809 | { |
4810 | /* The parameter for this ioctl is a struct fiemap followed | |
4811 | * by an array of struct fiemap_extent whose size is set | |
4812 | * in fiemap->fm_extent_count. The array is filled in by the | |
4813 | * ioctl. | |
4814 | */ | |
4815 | int target_size_in, target_size_out; | |
4816 | struct fiemap *fm; | |
4817 | const argtype *arg_type = ie->arg_type; | |
4818 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
4819 | void *argptr, *p; | |
4820 | abi_long ret; | |
4821 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
4822 | uint32_t outbufsz; | |
4823 | int free_fm = 0; | |
4824 | ||
4825 | assert(arg_type[0] == TYPE_PTR); | |
4826 | assert(ie->access == IOC_RW); | |
4827 | arg_type++; | |
4828 | target_size_in = thunk_type_size(arg_type, 0); | |
4829 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
4830 | if (!argptr) { | |
4831 | return -TARGET_EFAULT; | |
4832 | } | |
4833 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4834 | unlock_user(argptr, arg, 0); | |
4835 | fm = (struct fiemap *)buf_temp; | |
4836 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
4837 | return -TARGET_EINVAL; | |
4838 | } | |
4839 | ||
4840 | outbufsz = sizeof (*fm) + | |
4841 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
4842 | ||
4843 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4844 | /* We can't fit all the extents into the fixed size buffer. | |
4845 | * Allocate one that is large enough and use it instead. | |
4846 | */ | |
0e173b24 | 4847 | fm = g_try_malloc(outbufsz); |
285da2b9 PM |
4848 | if (!fm) { |
4849 | return -TARGET_ENOMEM; | |
4850 | } | |
4851 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
4852 | free_fm = 1; | |
4853 | } | |
49ca6f3e | 4854 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm)); |
285da2b9 PM |
4855 | if (!is_error(ret)) { |
4856 | target_size_out = target_size_in; | |
4857 | /* An extent_count of 0 means we were only counting the extents | |
4858 | * so there are no structs to copy | |
4859 | */ | |
4860 | if (fm->fm_extent_count != 0) { | |
4861 | target_size_out += fm->fm_mapped_extents * extent_size; | |
4862 | } | |
4863 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
4864 | if (!argptr) { | |
4865 | ret = -TARGET_EFAULT; | |
4866 | } else { | |
4867 | /* Convert the struct fiemap */ | |
4868 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
4869 | if (fm->fm_extent_count != 0) { | |
4870 | p = argptr + target_size_in; | |
4871 | /* ...and then all the struct fiemap_extents */ | |
4872 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
4873 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
4874 | THUNK_TARGET); | |
4875 | p += extent_size; | |
4876 | } | |
4877 | } | |
4878 | unlock_user(argptr, arg, target_size_out); | |
4879 | } | |
4880 | } | |
4881 | if (free_fm) { | |
0e173b24 | 4882 | g_free(fm); |
285da2b9 PM |
4883 | } |
4884 | return ret; | |
4885 | } | |
dace20dc | 4886 | #endif |
285da2b9 | 4887 | |
059c2f2c | 4888 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4889 | int fd, int cmd, abi_long arg) |
059c2f2c LV |
4890 | { |
4891 | const argtype *arg_type = ie->arg_type; | |
4892 | int target_size; | |
4893 | void *argptr; | |
4894 | int ret; | |
4895 | struct ifconf *host_ifconf; | |
4896 | uint32_t outbufsz; | |
4897 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
4898 | int target_ifreq_size; | |
4899 | int nb_ifreq; | |
4900 | int free_buf = 0; | |
4901 | int i; | |
4902 | int target_ifc_len; | |
4903 | abi_long target_ifc_buf; | |
4904 | int host_ifc_len; | |
4905 | char *host_ifc_buf; | |
4906 | ||
4907 | assert(arg_type[0] == TYPE_PTR); | |
4908 | assert(ie->access == IOC_RW); | |
4909 | ||
4910 | arg_type++; | |
4911 | target_size = thunk_type_size(arg_type, 0); | |
4912 | ||
4913 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4914 | if (!argptr) | |
4915 | return -TARGET_EFAULT; | |
4916 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4917 | unlock_user(argptr, arg, 0); | |
4918 | ||
4919 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
059c2f2c | 4920 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; |
059c2f2c | 4921 | target_ifreq_size = thunk_type_size(ifreq_arg_type, 0); |
059c2f2c | 4922 | |
22e4a267 KL |
4923 | if (target_ifc_buf != 0) { |
4924 | target_ifc_len = host_ifconf->ifc_len; | |
4925 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
4926 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
4927 | ||
4928 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
4929 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4930 | /* | |
4931 | * We can't fit all the extents into the fixed size buffer. | |
4932 | * Allocate one that is large enough and use it instead. | |
4933 | */ | |
4934 | host_ifconf = malloc(outbufsz); | |
4935 | if (!host_ifconf) { | |
4936 | return -TARGET_ENOMEM; | |
4937 | } | |
4938 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
4939 | free_buf = 1; | |
059c2f2c | 4940 | } |
22e4a267 | 4941 | host_ifc_buf = (char *)host_ifconf + sizeof(*host_ifconf); |
059c2f2c | 4942 | |
22e4a267 KL |
4943 | host_ifconf->ifc_len = host_ifc_len; |
4944 | } else { | |
4945 | host_ifc_buf = NULL; | |
4946 | } | |
059c2f2c LV |
4947 | host_ifconf->ifc_buf = host_ifc_buf; |
4948 | ||
49ca6f3e | 4949 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf)); |
059c2f2c LV |
4950 | if (!is_error(ret)) { |
4951 | /* convert host ifc_len to target ifc_len */ | |
4952 | ||
4953 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
4954 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
4955 | host_ifconf->ifc_len = target_ifc_len; | |
4956 | ||
4957 | /* restore target ifc_buf */ | |
4958 | ||
4959 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
4960 | ||
4961 | /* copy struct ifconf to target user */ | |
4962 | ||
4963 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4964 | if (!argptr) | |
4965 | return -TARGET_EFAULT; | |
4966 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
4967 | unlock_user(argptr, arg, target_size); | |
4968 | ||
22e4a267 KL |
4969 | if (target_ifc_buf != 0) { |
4970 | /* copy ifreq[] to target user */ | |
4971 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
4972 | for (i = 0; i < nb_ifreq ; i++) { | |
4973 | thunk_convert(argptr + i * target_ifreq_size, | |
4974 | host_ifc_buf + i * sizeof(struct ifreq), | |
4975 | ifreq_arg_type, THUNK_TARGET); | |
4976 | } | |
4977 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
059c2f2c | 4978 | } |
059c2f2c LV |
4979 | } |
4980 | ||
4981 | if (free_buf) { | |
4982 | free(host_ifconf); | |
4983 | } | |
4984 | ||
4985 | return ret; | |
4986 | } | |
4987 | ||
a133367e CT |
4988 | #if defined(CONFIG_USBFS) |
4989 | #if HOST_LONG_BITS > 64 | |
4990 | #error USBDEVFS thunks do not support >64 bit hosts yet. | |
4991 | #endif | |
4992 | struct live_urb { | |
4993 | uint64_t target_urb_adr; | |
4994 | uint64_t target_buf_adr; | |
4995 | char *target_buf_ptr; | |
4996 | struct usbdevfs_urb host_urb; | |
4997 | }; | |
4998 | ||
4999 | static GHashTable *usbdevfs_urb_hashtable(void) | |
5000 | { | |
5001 | static GHashTable *urb_hashtable; | |
5002 | ||
5003 | if (!urb_hashtable) { | |
5004 | urb_hashtable = g_hash_table_new(g_int64_hash, g_int64_equal); | |
5005 | } | |
5006 | return urb_hashtable; | |
5007 | } | |
5008 | ||
5009 | static void urb_hashtable_insert(struct live_urb *urb) | |
5010 | { | |
5011 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
5012 | g_hash_table_insert(urb_hashtable, urb, urb); | |
5013 | } | |
5014 | ||
5015 | static struct live_urb *urb_hashtable_lookup(uint64_t target_urb_adr) | |
5016 | { | |
5017 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
5018 | return g_hash_table_lookup(urb_hashtable, &target_urb_adr); | |
5019 | } | |
5020 | ||
5021 | static void urb_hashtable_remove(struct live_urb *urb) | |
5022 | { | |
5023 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
5024 | g_hash_table_remove(urb_hashtable, urb); | |
5025 | } | |
5026 | ||
5027 | static abi_long | |
5028 | do_ioctl_usbdevfs_reapurb(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5029 | int fd, int cmd, abi_long arg) | |
5030 | { | |
5031 | const argtype usbfsurb_arg_type[] = { MK_STRUCT(STRUCT_usbdevfs_urb) }; | |
5032 | const argtype ptrvoid_arg_type[] = { TYPE_PTRVOID, 0, 0 }; | |
5033 | struct live_urb *lurb; | |
5034 | void *argptr; | |
5035 | uint64_t hurb; | |
5036 | int target_size; | |
5037 | uintptr_t target_urb_adr; | |
5038 | abi_long ret; | |
5039 | ||
5040 | target_size = thunk_type_size(usbfsurb_arg_type, THUNK_TARGET); | |
5041 | ||
5042 | memset(buf_temp, 0, sizeof(uint64_t)); | |
5043 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); | |
5044 | if (is_error(ret)) { | |
5045 | return ret; | |
5046 | } | |
5047 | ||
5048 | memcpy(&hurb, buf_temp, sizeof(uint64_t)); | |
5049 | lurb = (void *)((uintptr_t)hurb - offsetof(struct live_urb, host_urb)); | |
5050 | if (!lurb->target_urb_adr) { | |
5051 | return -TARGET_EFAULT; | |
5052 | } | |
5053 | urb_hashtable_remove(lurb); | |
5054 | unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, | |
5055 | lurb->host_urb.buffer_length); | |
5056 | lurb->target_buf_ptr = NULL; | |
5057 | ||
5058 | /* restore the guest buffer pointer */ | |
5059 | lurb->host_urb.buffer = (void *)(uintptr_t)lurb->target_buf_adr; | |
5060 | ||
5061 | /* update the guest urb struct */ | |
5062 | argptr = lock_user(VERIFY_WRITE, lurb->target_urb_adr, target_size, 0); | |
5063 | if (!argptr) { | |
5064 | g_free(lurb); | |
5065 | return -TARGET_EFAULT; | |
5066 | } | |
5067 | thunk_convert(argptr, &lurb->host_urb, usbfsurb_arg_type, THUNK_TARGET); | |
5068 | unlock_user(argptr, lurb->target_urb_adr, target_size); | |
5069 | ||
5070 | target_size = thunk_type_size(ptrvoid_arg_type, THUNK_TARGET); | |
5071 | /* write back the urb handle */ | |
5072 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
5073 | if (!argptr) { | |
5074 | g_free(lurb); | |
5075 | return -TARGET_EFAULT; | |
5076 | } | |
5077 | ||
5078 | /* GHashTable uses 64-bit keys but thunk_convert expects uintptr_t */ | |
5079 | target_urb_adr = lurb->target_urb_adr; | |
5080 | thunk_convert(argptr, &target_urb_adr, ptrvoid_arg_type, THUNK_TARGET); | |
5081 | unlock_user(argptr, arg, target_size); | |
5082 | ||
5083 | g_free(lurb); | |
5084 | return ret; | |
5085 | } | |
5086 | ||
5087 | static abi_long | |
5088 | do_ioctl_usbdevfs_discardurb(const IOCTLEntry *ie, | |
5089 | uint8_t *buf_temp __attribute__((unused)), | |
5090 | int fd, int cmd, abi_long arg) | |
5091 | { | |
5092 | struct live_urb *lurb; | |
5093 | ||
5094 | /* map target address back to host URB with metadata. */ | |
5095 | lurb = urb_hashtable_lookup(arg); | |
5096 | if (!lurb) { | |
5097 | return -TARGET_EFAULT; | |
5098 | } | |
5099 | return get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb)); | |
5100 | } | |
5101 | ||
5102 | static abi_long | |
5103 | do_ioctl_usbdevfs_submiturb(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5104 | int fd, int cmd, abi_long arg) | |
5105 | { | |
5106 | const argtype *arg_type = ie->arg_type; | |
5107 | int target_size; | |
5108 | abi_long ret; | |
5109 | void *argptr; | |
5110 | int rw_dir; | |
5111 | struct live_urb *lurb; | |
5112 | ||
5113 | /* | |
5114 | * each submitted URB needs to map to a unique ID for the | |
5115 | * kernel, and that unique ID needs to be a pointer to | |
5116 | * host memory. hence, we need to malloc for each URB. | |
5117 | * isochronous transfers have a variable length struct. | |
5118 | */ | |
5119 | arg_type++; | |
5120 | target_size = thunk_type_size(arg_type, THUNK_TARGET); | |
5121 | ||
5122 | /* construct host copy of urb and metadata */ | |
5123 | lurb = g_try_malloc0(sizeof(struct live_urb)); | |
5124 | if (!lurb) { | |
5125 | return -TARGET_ENOMEM; | |
5126 | } | |
5127 | ||
5128 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5129 | if (!argptr) { | |
5130 | g_free(lurb); | |
5131 | return -TARGET_EFAULT; | |
5132 | } | |
5133 | thunk_convert(&lurb->host_urb, argptr, arg_type, THUNK_HOST); | |
5134 | unlock_user(argptr, arg, 0); | |
5135 | ||
5136 | lurb->target_urb_adr = arg; | |
5137 | lurb->target_buf_adr = (uintptr_t)lurb->host_urb.buffer; | |
5138 | ||
5139 | /* buffer space used depends on endpoint type so lock the entire buffer */ | |
5140 | /* control type urbs should check the buffer contents for true direction */ | |
5141 | rw_dir = lurb->host_urb.endpoint & USB_DIR_IN ? VERIFY_WRITE : VERIFY_READ; | |
5142 | lurb->target_buf_ptr = lock_user(rw_dir, lurb->target_buf_adr, | |
5143 | lurb->host_urb.buffer_length, 1); | |
5144 | if (lurb->target_buf_ptr == NULL) { | |
5145 | g_free(lurb); | |
5146 | return -TARGET_EFAULT; | |
5147 | } | |
5148 | ||
5149 | /* update buffer pointer in host copy */ | |
5150 | lurb->host_urb.buffer = lurb->target_buf_ptr; | |
5151 | ||
5152 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb)); | |
5153 | if (is_error(ret)) { | |
5154 | unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, 0); | |
5155 | g_free(lurb); | |
5156 | } else { | |
5157 | urb_hashtable_insert(lurb); | |
5158 | } | |
5159 | ||
5160 | return ret; | |
5161 | } | |
5162 | #endif /* CONFIG_USBFS */ | |
5163 | ||
56e904ec | 5164 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 5165 | int cmd, abi_long arg) |
56e904ec AG |
5166 | { |
5167 | void *argptr; | |
5168 | struct dm_ioctl *host_dm; | |
5169 | abi_long guest_data; | |
5170 | uint32_t guest_data_size; | |
5171 | int target_size; | |
5172 | const argtype *arg_type = ie->arg_type; | |
5173 | abi_long ret; | |
5174 | void *big_buf = NULL; | |
5175 | char *host_data; | |
5176 | ||
5177 | arg_type++; | |
5178 | target_size = thunk_type_size(arg_type, 0); | |
5179 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5180 | if (!argptr) { | |
5181 | ret = -TARGET_EFAULT; | |
5182 | goto out; | |
5183 | } | |
5184 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5185 | unlock_user(argptr, arg, 0); | |
5186 | ||
5187 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
5188 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
5189 | memcpy(big_buf, buf_temp, target_size); | |
5190 | buf_temp = big_buf; | |
5191 | host_dm = big_buf; | |
5192 | ||
5193 | guest_data = arg + host_dm->data_start; | |
5194 | if ((guest_data - arg) < 0) { | |
f9757b1d | 5195 | ret = -TARGET_EINVAL; |
56e904ec AG |
5196 | goto out; |
5197 | } | |
5198 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
5199 | host_data = (char*)host_dm + host_dm->data_start; | |
5200 | ||
5201 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3211215e PM |
5202 | if (!argptr) { |
5203 | ret = -TARGET_EFAULT; | |
5204 | goto out; | |
5205 | } | |
5206 | ||
56e904ec AG |
5207 | switch (ie->host_cmd) { |
5208 | case DM_REMOVE_ALL: | |
5209 | case DM_LIST_DEVICES: | |
5210 | case DM_DEV_CREATE: | |
5211 | case DM_DEV_REMOVE: | |
5212 | case DM_DEV_SUSPEND: | |
5213 | case DM_DEV_STATUS: | |
5214 | case DM_DEV_WAIT: | |
5215 | case DM_TABLE_STATUS: | |
5216 | case DM_TABLE_CLEAR: | |
5217 | case DM_TABLE_DEPS: | |
5218 | case DM_LIST_VERSIONS: | |
5219 | /* no input data */ | |
5220 | break; | |
5221 | case DM_DEV_RENAME: | |
5222 | case DM_DEV_SET_GEOMETRY: | |
5223 | /* data contains only strings */ | |
5224 | memcpy(host_data, argptr, guest_data_size); | |
5225 | break; | |
5226 | case DM_TARGET_MSG: | |
5227 | memcpy(host_data, argptr, guest_data_size); | |
5228 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
5229 | break; | |
5230 | case DM_TABLE_LOAD: | |
5231 | { | |
5232 | void *gspec = argptr; | |
5233 | void *cur_data = host_data; | |
5234 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
5235 | int spec_size = thunk_type_size(arg_type, 0); | |
5236 | int i; | |
5237 | ||
5238 | for (i = 0; i < host_dm->target_count; i++) { | |
5239 | struct dm_target_spec *spec = cur_data; | |
5240 | uint32_t next; | |
5241 | int slen; | |
5242 | ||
5243 | thunk_convert(spec, gspec, arg_type, THUNK_HOST); | |
5244 | slen = strlen((char*)gspec + spec_size) + 1; | |
5245 | next = spec->next; | |
5246 | spec->next = sizeof(*spec) + slen; | |
5247 | strcpy((char*)&spec[1], gspec + spec_size); | |
5248 | gspec += next; | |
5249 | cur_data += spec->next; | |
5250 | } | |
5251 | break; | |
5252 | } | |
5253 | default: | |
5254 | ret = -TARGET_EINVAL; | |
dec0473d | 5255 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
5256 | goto out; |
5257 | } | |
5258 | unlock_user(argptr, guest_data, 0); | |
5259 | ||
49ca6f3e | 5260 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
56e904ec AG |
5261 | if (!is_error(ret)) { |
5262 | guest_data = arg + host_dm->data_start; | |
5263 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
5264 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
5265 | switch (ie->host_cmd) { | |
5266 | case DM_REMOVE_ALL: | |
5267 | case DM_DEV_CREATE: | |
5268 | case DM_DEV_REMOVE: | |
5269 | case DM_DEV_RENAME: | |
5270 | case DM_DEV_SUSPEND: | |
5271 | case DM_DEV_STATUS: | |
5272 | case DM_TABLE_LOAD: | |
5273 | case DM_TABLE_CLEAR: | |
5274 | case DM_TARGET_MSG: | |
5275 | case DM_DEV_SET_GEOMETRY: | |
5276 | /* no return data */ | |
5277 | break; | |
5278 | case DM_LIST_DEVICES: | |
5279 | { | |
5280 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
5281 | uint32_t remaining_data = guest_data_size; | |
5282 | void *cur_data = argptr; | |
5283 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; | |
5284 | int nl_size = 12; /* can't use thunk_size due to alignment */ | |
5285 | ||
5286 | while (1) { | |
5287 | uint32_t next = nl->next; | |
5288 | if (next) { | |
5289 | nl->next = nl_size + (strlen(nl->name) + 1); | |
5290 | } | |
5291 | if (remaining_data < nl->next) { | |
5292 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5293 | break; | |
5294 | } | |
5295 | thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); | |
5296 | strcpy(cur_data + nl_size, nl->name); | |
5297 | cur_data += nl->next; | |
5298 | remaining_data -= nl->next; | |
5299 | if (!next) { | |
5300 | break; | |
5301 | } | |
5302 | nl = (void*)nl + next; | |
5303 | } | |
5304 | break; | |
5305 | } | |
5306 | case DM_DEV_WAIT: | |
5307 | case DM_TABLE_STATUS: | |
5308 | { | |
5309 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
5310 | void *cur_data = argptr; | |
5311 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
5312 | int spec_size = thunk_type_size(arg_type, 0); | |
5313 | int i; | |
5314 | ||
5315 | for (i = 0; i < host_dm->target_count; i++) { | |
5316 | uint32_t next = spec->next; | |
5317 | int slen = strlen((char*)&spec[1]) + 1; | |
5318 | spec->next = (cur_data - argptr) + spec_size + slen; | |
5319 | if (guest_data_size < spec->next) { | |
5320 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5321 | break; | |
5322 | } | |
5323 | thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); | |
5324 | strcpy(cur_data + spec_size, (char*)&spec[1]); | |
5325 | cur_data = argptr + spec->next; | |
5326 | spec = (void*)host_dm + host_dm->data_start + next; | |
5327 | } | |
5328 | break; | |
5329 | } | |
5330 | case DM_TABLE_DEPS: | |
5331 | { | |
5332 | void *hdata = (void*)host_dm + host_dm->data_start; | |
5333 | int count = *(uint32_t*)hdata; | |
5334 | uint64_t *hdev = hdata + 8; | |
5335 | uint64_t *gdev = argptr + 8; | |
5336 | int i; | |
5337 | ||
5338 | *(uint32_t*)argptr = tswap32(count); | |
5339 | for (i = 0; i < count; i++) { | |
5340 | *gdev = tswap64(*hdev); | |
5341 | gdev++; | |
5342 | hdev++; | |
5343 | } | |
5344 | break; | |
5345 | } | |
5346 | case DM_LIST_VERSIONS: | |
5347 | { | |
5348 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
5349 | uint32_t remaining_data = guest_data_size; | |
5350 | void *cur_data = argptr; | |
5351 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; | |
5352 | int vers_size = thunk_type_size(arg_type, 0); | |
5353 | ||
5354 | while (1) { | |
5355 | uint32_t next = vers->next; | |
5356 | if (next) { | |
5357 | vers->next = vers_size + (strlen(vers->name) + 1); | |
5358 | } | |
5359 | if (remaining_data < vers->next) { | |
5360 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5361 | break; | |
5362 | } | |
5363 | thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); | |
5364 | strcpy(cur_data + vers_size, vers->name); | |
5365 | cur_data += vers->next; | |
5366 | remaining_data -= vers->next; | |
5367 | if (!next) { | |
5368 | break; | |
5369 | } | |
5370 | vers = (void*)vers + next; | |
5371 | } | |
5372 | break; | |
5373 | } | |
5374 | default: | |
dec0473d | 5375 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
5376 | ret = -TARGET_EINVAL; |
5377 | goto out; | |
5378 | } | |
5379 | unlock_user(argptr, guest_data, guest_data_size); | |
5380 | ||
5381 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
5382 | if (!argptr) { | |
5383 | ret = -TARGET_EFAULT; | |
5384 | goto out; | |
5385 | } | |
5386 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
5387 | unlock_user(argptr, arg, target_size); | |
5388 | } | |
5389 | out: | |
ad11ad77 | 5390 | g_free(big_buf); |
56e904ec AG |
5391 | return ret; |
5392 | } | |
5393 | ||
a59b5e35 | 5394 | static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 5395 | int cmd, abi_long arg) |
a59b5e35 AG |
5396 | { |
5397 | void *argptr; | |
5398 | int target_size; | |
5399 | const argtype *arg_type = ie->arg_type; | |
5400 | const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) }; | |
5401 | abi_long ret; | |
5402 | ||
5403 | struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp; | |
5404 | struct blkpg_partition host_part; | |
5405 | ||
5406 | /* Read and convert blkpg */ | |
5407 | arg_type++; | |
5408 | target_size = thunk_type_size(arg_type, 0); | |
5409 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5410 | if (!argptr) { | |
5411 | ret = -TARGET_EFAULT; | |
5412 | goto out; | |
5413 | } | |
5414 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5415 | unlock_user(argptr, arg, 0); | |
5416 | ||
5417 | switch (host_blkpg->op) { | |
5418 | case BLKPG_ADD_PARTITION: | |
5419 | case BLKPG_DEL_PARTITION: | |
5420 | /* payload is struct blkpg_partition */ | |
5421 | break; | |
5422 | default: | |
5423 | /* Unknown opcode */ | |
5424 | ret = -TARGET_EINVAL; | |
5425 | goto out; | |
5426 | } | |
5427 | ||
5428 | /* Read and convert blkpg->data */ | |
5429 | arg = (abi_long)(uintptr_t)host_blkpg->data; | |
5430 | target_size = thunk_type_size(part_arg_type, 0); | |
5431 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5432 | if (!argptr) { | |
5433 | ret = -TARGET_EFAULT; | |
5434 | goto out; | |
5435 | } | |
5436 | thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST); | |
5437 | unlock_user(argptr, arg, 0); | |
5438 | ||
5439 | /* Swizzle the data pointer to our local copy and call! */ | |
5440 | host_blkpg->data = &host_part; | |
49ca6f3e | 5441 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg)); |
a59b5e35 AG |
5442 | |
5443 | out: | |
5444 | return ret; | |
5445 | } | |
5446 | ||
7ff7b666 | 5447 | static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5448 | int fd, int cmd, abi_long arg) |
7ff7b666 LV |
5449 | { |
5450 | const argtype *arg_type = ie->arg_type; | |
5451 | const StructEntry *se; | |
5452 | const argtype *field_types; | |
5453 | const int *dst_offsets, *src_offsets; | |
5454 | int target_size; | |
5455 | void *argptr; | |
b78c522a MAL |
5456 | abi_ulong *target_rt_dev_ptr = NULL; |
5457 | unsigned long *host_rt_dev_ptr = NULL; | |
7ff7b666 LV |
5458 | abi_long ret; |
5459 | int i; | |
5460 | ||
5461 | assert(ie->access == IOC_W); | |
5462 | assert(*arg_type == TYPE_PTR); | |
5463 | arg_type++; | |
5464 | assert(*arg_type == TYPE_STRUCT); | |
5465 | target_size = thunk_type_size(arg_type, 0); | |
5466 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5467 | if (!argptr) { | |
5468 | return -TARGET_EFAULT; | |
5469 | } | |
5470 | arg_type++; | |
5471 | assert(*arg_type == (int)STRUCT_rtentry); | |
5472 | se = struct_entries + *arg_type++; | |
5473 | assert(se->convert[0] == NULL); | |
5474 | /* convert struct here to be able to catch rt_dev string */ | |
5475 | field_types = se->field_types; | |
5476 | dst_offsets = se->field_offsets[THUNK_HOST]; | |
5477 | src_offsets = se->field_offsets[THUNK_TARGET]; | |
5478 | for (i = 0; i < se->nb_fields; i++) { | |
5479 | if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { | |
5480 | assert(*field_types == TYPE_PTRVOID); | |
5481 | target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]); | |
5482 | host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); | |
5483 | if (*target_rt_dev_ptr != 0) { | |
5484 | *host_rt_dev_ptr = (unsigned long)lock_user_string( | |
5485 | tswapal(*target_rt_dev_ptr)); | |
5486 | if (!*host_rt_dev_ptr) { | |
5487 | unlock_user(argptr, arg, 0); | |
5488 | return -TARGET_EFAULT; | |
5489 | } | |
5490 | } else { | |
5491 | *host_rt_dev_ptr = 0; | |
5492 | } | |
5493 | field_types++; | |
5494 | continue; | |
5495 | } | |
5496 | field_types = thunk_convert(buf_temp + dst_offsets[i], | |
5497 | argptr + src_offsets[i], | |
5498 | field_types, THUNK_HOST); | |
5499 | } | |
5500 | unlock_user(argptr, arg, 0); | |
5501 | ||
49ca6f3e | 5502 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
b78c522a MAL |
5503 | |
5504 | assert(host_rt_dev_ptr != NULL); | |
5505 | assert(target_rt_dev_ptr != NULL); | |
7ff7b666 LV |
5506 | if (*host_rt_dev_ptr != 0) { |
5507 | unlock_user((void *)*host_rt_dev_ptr, | |
5508 | *target_rt_dev_ptr, 0); | |
5509 | } | |
5510 | return ret; | |
5511 | } | |
5512 | ||
ca56f5b5 | 5513 | static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5514 | int fd, int cmd, abi_long arg) |
ca56f5b5 PB |
5515 | { |
5516 | int sig = target_to_host_signal(arg); | |
49ca6f3e | 5517 | return get_errno(safe_ioctl(fd, ie->host_cmd, sig)); |
ca56f5b5 PB |
5518 | } |
5519 | ||
6d5d5dde DB |
5520 | static abi_long do_ioctl_SIOCGSTAMP(const IOCTLEntry *ie, uint8_t *buf_temp, |
5521 | int fd, int cmd, abi_long arg) | |
5522 | { | |
5523 | struct timeval tv; | |
5524 | abi_long ret; | |
5525 | ||
5526 | ret = get_errno(safe_ioctl(fd, SIOCGSTAMP, &tv)); | |
5527 | if (is_error(ret)) { | |
5528 | return ret; | |
5529 | } | |
5530 | ||
5531 | if (cmd == (int)TARGET_SIOCGSTAMP_OLD) { | |
5532 | if (copy_to_user_timeval(arg, &tv)) { | |
5533 | return -TARGET_EFAULT; | |
5534 | } | |
5535 | } else { | |
5536 | if (copy_to_user_timeval64(arg, &tv)) { | |
5537 | return -TARGET_EFAULT; | |
5538 | } | |
5539 | } | |
5540 | ||
5541 | return ret; | |
5542 | } | |
5543 | ||
5544 | static abi_long do_ioctl_SIOCGSTAMPNS(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5545 | int fd, int cmd, abi_long arg) | |
5546 | { | |
5547 | struct timespec ts; | |
5548 | abi_long ret; | |
5549 | ||
5550 | ret = get_errno(safe_ioctl(fd, SIOCGSTAMPNS, &ts)); | |
5551 | if (is_error(ret)) { | |
5552 | return ret; | |
5553 | } | |
5554 | ||
5555 | if (cmd == (int)TARGET_SIOCGSTAMPNS_OLD) { | |
5556 | if (host_to_target_timespec(arg, &ts)) { | |
5557 | return -TARGET_EFAULT; | |
5558 | } | |
5559 | } else{ | |
5560 | if (host_to_target_timespec64(arg, &ts)) { | |
5561 | return -TARGET_EFAULT; | |
5562 | } | |
5563 | } | |
5564 | ||
5565 | return ret; | |
5566 | } | |
5567 | ||
2b74f621 AS |
5568 | #ifdef TIOCGPTPEER |
5569 | static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5570 | int fd, int cmd, abi_long arg) | |
5571 | { | |
5572 | int flags = target_to_host_bitmask(arg, fcntl_flags_tbl); | |
5573 | return get_errno(safe_ioctl(fd, ie->host_cmd, flags)); | |
5574 | } | |
5575 | #endif | |
5576 | ||
e865b97f CG |
5577 | #ifdef HAVE_DRM_H |
5578 | ||
5579 | static void unlock_drm_version(struct drm_version *host_ver, | |
5580 | struct target_drm_version *target_ver, | |
5581 | bool copy) | |
5582 | { | |
5583 | unlock_user(host_ver->name, target_ver->name, | |
5584 | copy ? host_ver->name_len : 0); | |
5585 | unlock_user(host_ver->date, target_ver->date, | |
5586 | copy ? host_ver->date_len : 0); | |
5587 | unlock_user(host_ver->desc, target_ver->desc, | |
5588 | copy ? host_ver->desc_len : 0); | |
5589 | } | |
5590 | ||
5591 | static inline abi_long target_to_host_drmversion(struct drm_version *host_ver, | |
5592 | struct target_drm_version *target_ver) | |
5593 | { | |
5594 | memset(host_ver, 0, sizeof(*host_ver)); | |
5595 | ||
5596 | __get_user(host_ver->name_len, &target_ver->name_len); | |
5597 | if (host_ver->name_len) { | |
5598 | host_ver->name = lock_user(VERIFY_WRITE, target_ver->name, | |
5599 | target_ver->name_len, 0); | |
5600 | if (!host_ver->name) { | |
5601 | return -EFAULT; | |
5602 | } | |
5603 | } | |
5604 | ||
5605 | __get_user(host_ver->date_len, &target_ver->date_len); | |
5606 | if (host_ver->date_len) { | |
5607 | host_ver->date = lock_user(VERIFY_WRITE, target_ver->date, | |
5608 | target_ver->date_len, 0); | |
5609 | if (!host_ver->date) { | |
5610 | goto err; | |
5611 | } | |
5612 | } | |
5613 | ||
5614 | __get_user(host_ver->desc_len, &target_ver->desc_len); | |
5615 | if (host_ver->desc_len) { | |
5616 | host_ver->desc = lock_user(VERIFY_WRITE, target_ver->desc, | |
5617 | target_ver->desc_len, 0); | |
5618 | if (!host_ver->desc) { | |
5619 | goto err; | |
5620 | } | |
5621 | } | |
5622 | ||
5623 | return 0; | |
5624 | err: | |
5625 | unlock_drm_version(host_ver, target_ver, false); | |
5626 | return -EFAULT; | |
5627 | } | |
5628 | ||
5629 | static inline void host_to_target_drmversion( | |
5630 | struct target_drm_version *target_ver, | |
5631 | struct drm_version *host_ver) | |
5632 | { | |
5633 | __put_user(host_ver->version_major, &target_ver->version_major); | |
5634 | __put_user(host_ver->version_minor, &target_ver->version_minor); | |
5635 | __put_user(host_ver->version_patchlevel, &target_ver->version_patchlevel); | |
5636 | __put_user(host_ver->name_len, &target_ver->name_len); | |
5637 | __put_user(host_ver->date_len, &target_ver->date_len); | |
5638 | __put_user(host_ver->desc_len, &target_ver->desc_len); | |
5639 | unlock_drm_version(host_ver, target_ver, true); | |
5640 | } | |
5641 | ||
5642 | static abi_long do_ioctl_drm(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5643 | int fd, int cmd, abi_long arg) | |
5644 | { | |
5645 | struct drm_version *ver; | |
5646 | struct target_drm_version *target_ver; | |
5647 | abi_long ret; | |
5648 | ||
5649 | switch (ie->host_cmd) { | |
5650 | case DRM_IOCTL_VERSION: | |
5651 | if (!lock_user_struct(VERIFY_WRITE, target_ver, arg, 0)) { | |
5652 | return -TARGET_EFAULT; | |
5653 | } | |
5654 | ver = (struct drm_version *)buf_temp; | |
5655 | ret = target_to_host_drmversion(ver, target_ver); | |
5656 | if (!is_error(ret)) { | |
5657 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, ver)); | |
5658 | if (is_error(ret)) { | |
5659 | unlock_drm_version(ver, target_ver, false); | |
5660 | } else { | |
5661 | host_to_target_drmversion(target_ver, ver); | |
5662 | } | |
5663 | } | |
5664 | unlock_user_struct(target_ver, arg, 0); | |
5665 | return ret; | |
5666 | } | |
5667 | return -TARGET_ENOSYS; | |
5668 | } | |
5669 | ||
913b03c2 CG |
5670 | static abi_long do_ioctl_drm_i915_getparam(const IOCTLEntry *ie, |
5671 | struct drm_i915_getparam *gparam, | |
5672 | int fd, abi_long arg) | |
5673 | { | |
5674 | abi_long ret; | |
5675 | int value; | |
5676 | struct target_drm_i915_getparam *target_gparam; | |
5677 | ||
5678 | if (!lock_user_struct(VERIFY_READ, target_gparam, arg, 0)) { | |
5679 | return -TARGET_EFAULT; | |
5680 | } | |
5681 | ||
5682 | __get_user(gparam->param, &target_gparam->param); | |
5683 | gparam->value = &value; | |
5684 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, gparam)); | |
5685 | put_user_s32(value, target_gparam->value); | |
5686 | ||
5687 | unlock_user_struct(target_gparam, arg, 0); | |
5688 | return ret; | |
5689 | } | |
5690 | ||
5691 | static abi_long do_ioctl_drm_i915(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5692 | int fd, int cmd, abi_long arg) | |
5693 | { | |
5694 | switch (ie->host_cmd) { | |
5695 | case DRM_IOCTL_I915_GETPARAM: | |
5696 | return do_ioctl_drm_i915_getparam(ie, | |
5697 | (struct drm_i915_getparam *)buf_temp, | |
5698 | fd, arg); | |
5699 | default: | |
5700 | return -TARGET_ENOSYS; | |
5701 | } | |
5702 | } | |
5703 | ||
e865b97f CG |
5704 | #endif |
5705 | ||
79482e59 | 5706 | IOCTLEntry ioctl_entries[] = { |
001faf32 | 5707 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
5708 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
5709 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
5710 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
8cb762fe HD |
5711 | #define IOCTL_IGNORE(cmd) \ |
5712 | { TARGET_ ## cmd, 0, #cmd }, | |
31e31b8a FB |
5713 | #include "ioctls.h" |
5714 | { 0, 0, }, | |
5715 | }; | |
5716 | ||
53a5960a | 5717 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 5718 | /* do_ioctl() Must return target values and target errnos. */ |
45c874eb | 5719 | static abi_long do_ioctl(int fd, int cmd, abi_long arg) |
31e31b8a FB |
5720 | { |
5721 | const IOCTLEntry *ie; | |
5722 | const argtype *arg_type; | |
992f48a0 | 5723 | abi_long ret; |
31e31b8a | 5724 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
5725 | int target_size; |
5726 | void *argptr; | |
31e31b8a FB |
5727 | |
5728 | ie = ioctl_entries; | |
5729 | for(;;) { | |
5730 | if (ie->target_cmd == 0) { | |
39be5350 JK |
5731 | qemu_log_mask( |
5732 | LOG_UNIMP, "Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); | |
0da46a6e | 5733 | return -TARGET_ENOSYS; |
31e31b8a FB |
5734 | } |
5735 | if (ie->target_cmd == cmd) | |
5736 | break; | |
5737 | ie++; | |
5738 | } | |
5739 | arg_type = ie->arg_type; | |
d2ef05bb PM |
5740 | if (ie->do_ioctl) { |
5741 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
8cb762fe HD |
5742 | } else if (!ie->host_cmd) { |
5743 | /* Some architectures define BSD ioctls in their headers | |
5744 | that are not implemented in Linux. */ | |
5745 | return -TARGET_ENOSYS; | |
d2ef05bb PM |
5746 | } |
5747 | ||
31e31b8a FB |
5748 | switch(arg_type[0]) { |
5749 | case TYPE_NULL: | |
5750 | /* no argument */ | |
49ca6f3e | 5751 | ret = get_errno(safe_ioctl(fd, ie->host_cmd)); |
31e31b8a FB |
5752 | break; |
5753 | case TYPE_PTRVOID: | |
5754 | case TYPE_INT: | |
c858e537 FB |
5755 | case TYPE_LONG: |
5756 | case TYPE_ULONG: | |
49ca6f3e | 5757 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg)); |
31e31b8a FB |
5758 | break; |
5759 | case TYPE_PTR: | |
5760 | arg_type++; | |
53a5960a | 5761 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
5762 | switch(ie->access) { |
5763 | case IOC_R: | |
49ca6f3e | 5764 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 5765 | if (!is_error(ret)) { |
579a97f7 FB |
5766 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
5767 | if (!argptr) | |
5768 | return -TARGET_EFAULT; | |
53a5960a PB |
5769 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
5770 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
5771 | } |
5772 | break; | |
5773 | case IOC_W: | |
579a97f7 FB |
5774 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
5775 | if (!argptr) | |
5776 | return -TARGET_EFAULT; | |
53a5960a PB |
5777 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
5778 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 5779 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a FB |
5780 | break; |
5781 | default: | |
5782 | case IOC_RW: | |
579a97f7 FB |
5783 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
5784 | if (!argptr) | |
5785 | return -TARGET_EFAULT; | |
53a5960a PB |
5786 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
5787 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 5788 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 5789 | if (!is_error(ret)) { |
579a97f7 FB |
5790 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
5791 | if (!argptr) | |
5792 | return -TARGET_EFAULT; | |
53a5960a PB |
5793 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
5794 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
5795 | } |
5796 | break; | |
5797 | } | |
5798 | break; | |
5799 | default: | |
39be5350 JK |
5800 | qemu_log_mask(LOG_UNIMP, |
5801 | "Unsupported ioctl type: cmd=0x%04lx type=%d\n", | |
5802 | (long)cmd, arg_type[0]); | |
0da46a6e | 5803 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
5804 | break; |
5805 | } | |
5806 | return ret; | |
5807 | } | |
5808 | ||
b39bc503 | 5809 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
5810 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
5811 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
5812 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
5813 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
5814 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
5815 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
5816 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
5817 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
5818 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
5819 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
5820 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
5821 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
5822 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
5823 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
c218b4ed | 5824 | { TARGET_IUTF8, TARGET_IUTF8, IUTF8, IUTF8}, |
31e31b8a FB |
5825 | { 0, 0, 0, 0 } |
5826 | }; | |
5827 | ||
b39bc503 | 5828 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
5829 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
5830 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
5831 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
5832 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
5833 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
5834 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
5835 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
5836 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
5837 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
5838 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
5839 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
5840 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
5841 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
5842 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
5843 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
5844 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
5845 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
5846 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
5847 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
5848 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
5849 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
5850 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
5851 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
5852 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
5853 | { 0, 0, 0, 0 } | |
5854 | }; | |
5855 | ||
b39bc503 | 5856 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
5857 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
5858 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
5859 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
5860 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
5861 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
5862 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
5863 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
5864 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
5865 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
5866 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
5867 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
5868 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
5869 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
5870 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
5871 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
5872 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
5873 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
5874 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
5875 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
5876 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
5877 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
5878 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
5879 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
5880 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
5881 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
5882 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
5883 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
5884 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
5885 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
5886 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
5887 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
5888 | { 0, 0, 0, 0 } | |
5889 | }; | |
5890 | ||
b39bc503 | 5891 | static const bitmask_transtbl lflag_tbl[] = { |
c218b4ed FB |
5892 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
5893 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
5894 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
5895 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
5896 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
5897 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
5898 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
5899 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
5900 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
5901 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
5902 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
5903 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
5904 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
5905 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
5906 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
5907 | { TARGET_EXTPROC, TARGET_EXTPROC, EXTPROC, EXTPROC}, | |
5908 | { 0, 0, 0, 0 } | |
31e31b8a FB |
5909 | }; |
5910 | ||
5911 | static void target_to_host_termios (void *dst, const void *src) | |
5912 | { | |
5913 | struct host_termios *host = dst; | |
5914 | const struct target_termios *target = src; | |
3b46e624 | 5915 | |
5fafdf24 | 5916 | host->c_iflag = |
31e31b8a | 5917 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 5918 | host->c_oflag = |
31e31b8a | 5919 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 5920 | host->c_cflag = |
31e31b8a | 5921 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 5922 | host->c_lflag = |
31e31b8a FB |
5923 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
5924 | host->c_line = target->c_line; | |
3b46e624 | 5925 | |
44607123 | 5926 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
5927 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
5928 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 5929 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 5930 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 5931 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 5932 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 5933 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 5934 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 5935 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
5936 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
5937 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
5938 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
5939 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
5940 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
5941 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
5942 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 5943 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 5944 | } |
3b46e624 | 5945 | |
31e31b8a FB |
5946 | static void host_to_target_termios (void *dst, const void *src) |
5947 | { | |
5948 | struct target_termios *target = dst; | |
5949 | const struct host_termios *host = src; | |
5950 | ||
5fafdf24 | 5951 | target->c_iflag = |
31e31b8a | 5952 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 5953 | target->c_oflag = |
31e31b8a | 5954 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 5955 | target->c_cflag = |
31e31b8a | 5956 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 5957 | target->c_lflag = |
31e31b8a FB |
5958 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
5959 | target->c_line = host->c_line; | |
3b46e624 | 5960 | |
44607123 | 5961 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
5962 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
5963 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
5964 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
5965 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
5966 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
5967 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
5968 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
5969 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
5970 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
5971 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
5972 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
5973 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
5974 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
5975 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
5976 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
5977 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
5978 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
5979 | } | |
5980 | ||
8e853dc7 | 5981 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
5982 | .convert = { host_to_target_termios, target_to_host_termios }, |
5983 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
5984 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
888468db | 5985 | .print = print_termios, |
31e31b8a FB |
5986 | }; |
5987 | ||
5286db75 | 5988 | static bitmask_transtbl mmap_flags_tbl[] = { |
541e1690 HD |
5989 | { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, |
5990 | { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, | |
5991 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, | |
5992 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, | |
5993 | MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
5994 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, | |
5995 | MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
5996 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, | |
5997 | MAP_DENYWRITE, MAP_DENYWRITE }, | |
5998 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, | |
5999 | MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
6000 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
6001 | { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, | |
6002 | MAP_NORESERVE, MAP_NORESERVE }, | |
6003 | { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB }, | |
6004 | /* MAP_STACK had been ignored by the kernel for quite some time. | |
6005 | Recognize it for the target insofar as we do not want to pass | |
6006 | it through to the host. */ | |
6007 | { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 }, | |
6008 | { 0, 0, 0, 0 } | |
5286db75 FB |
6009 | }; |
6010 | ||
9d12f79d LV |
6011 | /* |
6012 | * NOTE: TARGET_ABI32 is defined for TARGET_I386 (but not for TARGET_X86_64) | |
6013 | * TARGET_I386 is defined if TARGET_X86_64 is defined | |
6014 | */ | |
2ab83ea7 | 6015 | #if defined(TARGET_I386) |
6dbad63e FB |
6016 | |
6017 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 6018 | static uint8_t *ldt_table; |
6dbad63e | 6019 | |
03acab66 | 6020 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
6021 | { |
6022 | int size; | |
53a5960a | 6023 | void *p; |
6dbad63e FB |
6024 | |
6025 | if (!ldt_table) | |
6026 | return 0; | |
6027 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
6028 | if (size > bytecount) | |
6029 | size = bytecount; | |
579a97f7 FB |
6030 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
6031 | if (!p) | |
03acab66 | 6032 | return -TARGET_EFAULT; |
579a97f7 | 6033 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
6034 | memcpy(p, ldt_table, size); |
6035 | unlock_user(p, ptr, size); | |
6dbad63e FB |
6036 | return size; |
6037 | } | |
6038 | ||
6039 | /* XXX: add locking support */ | |
03acab66 FB |
6040 | static abi_long write_ldt(CPUX86State *env, |
6041 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
6042 | { |
6043 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 6044 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 6045 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 6046 | int seg_not_present, useable, lm; |
6dbad63e FB |
6047 | uint32_t *lp, entry_1, entry_2; |
6048 | ||
6049 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 6050 | return -TARGET_EINVAL; |
579a97f7 | 6051 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 6052 | return -TARGET_EFAULT; |
53a5960a | 6053 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 6054 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
6055 | ldt_info.limit = tswap32(target_ldt_info->limit); |
6056 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
6057 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 6058 | |
6dbad63e | 6059 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 6060 | return -TARGET_EINVAL; |
6dbad63e FB |
6061 | seg_32bit = ldt_info.flags & 1; |
6062 | contents = (ldt_info.flags >> 1) & 3; | |
6063 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
6064 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
6065 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
6066 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
6067 | #ifdef TARGET_ABI32 |
6068 | lm = 0; | |
6069 | #else | |
6070 | lm = (ldt_info.flags >> 7) & 1; | |
6071 | #endif | |
6dbad63e FB |
6072 | if (contents == 3) { |
6073 | if (oldmode) | |
03acab66 | 6074 | return -TARGET_EINVAL; |
6dbad63e | 6075 | if (seg_not_present == 0) |
03acab66 | 6076 | return -TARGET_EINVAL; |
6dbad63e FB |
6077 | } |
6078 | /* allocate the LDT */ | |
6079 | if (!ldt_table) { | |
e441570f AZ |
6080 | env->ldt.base = target_mmap(0, |
6081 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
6082 | PROT_READ|PROT_WRITE, | |
6083 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
6084 | if (env->ldt.base == -1) | |
03acab66 | 6085 | return -TARGET_ENOMEM; |
e441570f AZ |
6086 | memset(g2h(env->ldt.base), 0, |
6087 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); | |
6dbad63e | 6088 | env->ldt.limit = 0xffff; |
e441570f | 6089 | ldt_table = g2h(env->ldt.base); |
6dbad63e FB |
6090 | } |
6091 | ||
6092 | /* NOTE: same code as Linux kernel */ | |
6093 | /* Allow LDTs to be cleared by the user. */ | |
6094 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
6095 | if (oldmode || | |
6096 | (contents == 0 && | |
6097 | read_exec_only == 1 && | |
6098 | seg_32bit == 0 && | |
6099 | limit_in_pages == 0 && | |
6100 | seg_not_present == 1 && | |
6101 | useable == 0 )) { | |
6102 | entry_1 = 0; | |
6103 | entry_2 = 0; | |
6104 | goto install; | |
6105 | } | |
6106 | } | |
3b46e624 | 6107 | |
6dbad63e FB |
6108 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
6109 | (ldt_info.limit & 0x0ffff); | |
6110 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
6111 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
6112 | (ldt_info.limit & 0xf0000) | | |
6113 | ((read_exec_only ^ 1) << 9) | | |
6114 | (contents << 10) | | |
6115 | ((seg_not_present ^ 1) << 15) | | |
6116 | (seg_32bit << 22) | | |
6117 | (limit_in_pages << 23) | | |
8d18e893 | 6118 | (lm << 21) | |
6dbad63e FB |
6119 | 0x7000; |
6120 | if (!oldmode) | |
6121 | entry_2 |= (useable << 20); | |
14ae3ba7 | 6122 | |
6dbad63e FB |
6123 | /* Install the new entry ... */ |
6124 | install: | |
6125 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
6126 | lp[0] = tswap32(entry_1); | |
6127 | lp[1] = tswap32(entry_2); | |
6128 | return 0; | |
6129 | } | |
6130 | ||
6131 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
6132 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
6133 | unsigned long bytecount) | |
6dbad63e | 6134 | { |
03acab66 | 6135 | abi_long ret; |
3b46e624 | 6136 | |
6dbad63e FB |
6137 | switch (func) { |
6138 | case 0: | |
6139 | ret = read_ldt(ptr, bytecount); | |
6140 | break; | |
6141 | case 1: | |
6142 | ret = write_ldt(env, ptr, bytecount, 1); | |
6143 | break; | |
6144 | case 0x11: | |
6145 | ret = write_ldt(env, ptr, bytecount, 0); | |
6146 | break; | |
03acab66 FB |
6147 | default: |
6148 | ret = -TARGET_ENOSYS; | |
6149 | break; | |
6dbad63e FB |
6150 | } |
6151 | return ret; | |
6152 | } | |
1b6b029e | 6153 | |
9d12f79d | 6154 | #if defined(TARGET_ABI32) |
bc22eb44 | 6155 | abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
6156 | { |
6157 | uint64_t *gdt_table = g2h(env->gdt.base); | |
6158 | struct target_modify_ldt_ldt_s ldt_info; | |
6159 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
6160 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
6161 | int seg_not_present, useable, lm; | |
6162 | uint32_t *lp, entry_1, entry_2; | |
6163 | int i; | |
6164 | ||
6165 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
6166 | if (!target_ldt_info) | |
6167 | return -TARGET_EFAULT; | |
6168 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 6169 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
6170 | ldt_info.limit = tswap32(target_ldt_info->limit); |
6171 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
6172 | if (ldt_info.entry_number == -1) { | |
6173 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
6174 | if (gdt_table[i] == 0) { | |
6175 | ldt_info.entry_number = i; | |
6176 | target_ldt_info->entry_number = tswap32(i); | |
6177 | break; | |
6178 | } | |
6179 | } | |
6180 | } | |
6181 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6182 | ||
6183 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
6184 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
6185 | return -TARGET_EINVAL; | |
6186 | seg_32bit = ldt_info.flags & 1; | |
6187 | contents = (ldt_info.flags >> 1) & 3; | |
6188 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
6189 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
6190 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
6191 | useable = (ldt_info.flags >> 6) & 1; | |
6192 | #ifdef TARGET_ABI32 | |
6193 | lm = 0; | |
6194 | #else | |
6195 | lm = (ldt_info.flags >> 7) & 1; | |
6196 | #endif | |
6197 | ||
6198 | if (contents == 3) { | |
6199 | if (seg_not_present == 0) | |
6200 | return -TARGET_EINVAL; | |
6201 | } | |
6202 | ||
6203 | /* NOTE: same code as Linux kernel */ | |
6204 | /* Allow LDTs to be cleared by the user. */ | |
6205 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
6206 | if ((contents == 0 && | |
6207 | read_exec_only == 1 && | |
6208 | seg_32bit == 0 && | |
6209 | limit_in_pages == 0 && | |
6210 | seg_not_present == 1 && | |
6211 | useable == 0 )) { | |
6212 | entry_1 = 0; | |
6213 | entry_2 = 0; | |
6214 | goto install; | |
6215 | } | |
6216 | } | |
6217 | ||
6218 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
6219 | (ldt_info.limit & 0x0ffff); | |
6220 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
6221 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
6222 | (ldt_info.limit & 0xf0000) | | |
6223 | ((read_exec_only ^ 1) << 9) | | |
6224 | (contents << 10) | | |
6225 | ((seg_not_present ^ 1) << 15) | | |
6226 | (seg_32bit << 22) | | |
6227 | (limit_in_pages << 23) | | |
6228 | (useable << 20) | | |
6229 | (lm << 21) | | |
6230 | 0x7000; | |
6231 | ||
6232 | /* Install the new entry ... */ | |
6233 | install: | |
6234 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
6235 | lp[0] = tswap32(entry_1); | |
6236 | lp[1] = tswap32(entry_2); | |
6237 | return 0; | |
6238 | } | |
6239 | ||
8fcd3692 | 6240 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
6241 | { |
6242 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
6243 | uint64_t *gdt_table = g2h(env->gdt.base); | |
6244 | uint32_t base_addr, limit, flags; | |
6245 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
6246 | int seg_not_present, useable, lm; | |
6247 | uint32_t *lp, entry_1, entry_2; | |
6248 | ||
6249 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
6250 | if (!target_ldt_info) | |
6251 | return -TARGET_EFAULT; | |
6252 | idx = tswap32(target_ldt_info->entry_number); | |
6253 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
6254 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
6255 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6256 | return -TARGET_EINVAL; | |
6257 | } | |
6258 | lp = (uint32_t *)(gdt_table + idx); | |
6259 | entry_1 = tswap32(lp[0]); | |
6260 | entry_2 = tswap32(lp[1]); | |
6261 | ||
6262 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
6263 | contents = (entry_2 >> 10) & 3; | |
6264 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
6265 | seg_32bit = (entry_2 >> 22) & 1; | |
6266 | limit_in_pages = (entry_2 >> 23) & 1; | |
6267 | useable = (entry_2 >> 20) & 1; | |
6268 | #ifdef TARGET_ABI32 | |
6269 | lm = 0; | |
6270 | #else | |
6271 | lm = (entry_2 >> 21) & 1; | |
6272 | #endif | |
6273 | flags = (seg_32bit << 0) | (contents << 1) | | |
6274 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
6275 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
6276 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
6277 | base_addr = (entry_1 >> 16) | | |
6278 | (entry_2 & 0xff000000) | | |
6279 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 6280 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
6281 | target_ldt_info->limit = tswap32(limit); |
6282 | target_ldt_info->flags = tswap32(flags); | |
6283 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6284 | return 0; | |
6285 | } | |
6286 | ||
9d12f79d LV |
6287 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
6288 | { | |
538fabcb | 6289 | return -TARGET_ENOSYS; |
9d12f79d LV |
6290 | } |
6291 | #else | |
2667e71c | 6292 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 6293 | { |
1add8698 | 6294 | abi_long ret = 0; |
d2fd1af7 FB |
6295 | abi_ulong val; |
6296 | int idx; | |
1add8698 | 6297 | |
d2fd1af7 FB |
6298 | switch(code) { |
6299 | case TARGET_ARCH_SET_GS: | |
6300 | case TARGET_ARCH_SET_FS: | |
6301 | if (code == TARGET_ARCH_SET_GS) | |
6302 | idx = R_GS; | |
6303 | else | |
6304 | idx = R_FS; | |
6305 | cpu_x86_load_seg(env, idx, 0); | |
6306 | env->segs[idx].base = addr; | |
6307 | break; | |
6308 | case TARGET_ARCH_GET_GS: | |
6309 | case TARGET_ARCH_GET_FS: | |
6310 | if (code == TARGET_ARCH_GET_GS) | |
6311 | idx = R_GS; | |
6312 | else | |
6313 | idx = R_FS; | |
6314 | val = env->segs[idx].base; | |
6315 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 6316 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
6317 | break; |
6318 | default: | |
6319 | ret = -TARGET_EINVAL; | |
6320 | break; | |
6321 | } | |
1add8698 | 6322 | return ret; |
d2fd1af7 | 6323 | } |
9d12f79d | 6324 | #endif /* defined(TARGET_ABI32 */ |
d2fd1af7 | 6325 | |
2ab83ea7 FB |
6326 | #endif /* defined(TARGET_I386) */ |
6327 | ||
05098a93 | 6328 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 6329 | |
d865bab5 PB |
6330 | |
6331 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
6332 | typedef struct { | |
9349b4f9 | 6333 | CPUArchState *env; |
d865bab5 PB |
6334 | pthread_mutex_t mutex; |
6335 | pthread_cond_t cond; | |
6336 | pthread_t thread; | |
6337 | uint32_t tid; | |
6338 | abi_ulong child_tidptr; | |
6339 | abi_ulong parent_tidptr; | |
6340 | sigset_t sigmask; | |
6341 | } new_thread_info; | |
6342 | ||
6343 | static void *clone_func(void *arg) | |
6344 | { | |
6345 | new_thread_info *info = arg; | |
9349b4f9 | 6346 | CPUArchState *env; |
0d34282f | 6347 | CPUState *cpu; |
edf8e2af | 6348 | TaskState *ts; |
d865bab5 | 6349 | |
70903763 | 6350 | rcu_register_thread(); |
3468b59e | 6351 | tcg_register_thread(); |
d865bab5 | 6352 | env = info->env; |
29a0af61 | 6353 | cpu = env_cpu(env); |
a2247f8e | 6354 | thread_cpu = cpu; |
0429a971 | 6355 | ts = (TaskState *)cpu->opaque; |
71ba74f6 | 6356 | info->tid = sys_gettid(); |
edf8e2af | 6357 | task_settid(ts); |
d865bab5 PB |
6358 | if (info->child_tidptr) |
6359 | put_user_u32(info->tid, info->child_tidptr); | |
6360 | if (info->parent_tidptr) | |
6361 | put_user_u32(info->tid, info->parent_tidptr); | |
5ebdd774 | 6362 | qemu_guest_random_seed_thread_part2(cpu->random_seed); |
d865bab5 PB |
6363 | /* Enable signals. */ |
6364 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
6365 | /* Signal to the parent that we're ready. */ | |
6366 | pthread_mutex_lock(&info->mutex); | |
6367 | pthread_cond_broadcast(&info->cond); | |
6368 | pthread_mutex_unlock(&info->mutex); | |
a4dd3d51 | 6369 | /* Wait until the parent has finished initializing the tls state. */ |
d865bab5 PB |
6370 | pthread_mutex_lock(&clone_lock); |
6371 | pthread_mutex_unlock(&clone_lock); | |
6372 | cpu_loop(env); | |
6373 | /* never exits */ | |
6374 | return NULL; | |
6375 | } | |
1b6b029e | 6376 | |
0da46a6e TS |
6377 | /* do_fork() Must return host values and target errnos (unlike most |
6378 | do_*() functions). */ | |
9349b4f9 | 6379 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
6380 | abi_ulong parent_tidptr, target_ulong newtls, |
6381 | abi_ulong child_tidptr) | |
1b6b029e | 6382 | { |
29a0af61 | 6383 | CPUState *cpu = env_cpu(env); |
1b6b029e | 6384 | int ret; |
5cd4393b | 6385 | TaskState *ts; |
0429a971 | 6386 | CPUState *new_cpu; |
9349b4f9 | 6387 | CPUArchState *new_env; |
d865bab5 | 6388 | sigset_t sigmask; |
3b46e624 | 6389 | |
5ea2fc84 PM |
6390 | flags &= ~CLONE_IGNORED_FLAGS; |
6391 | ||
436d124b AZ |
6392 | /* Emulate vfork() with fork() */ |
6393 | if (flags & CLONE_VFORK) | |
6394 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
6395 | ||
1b6b029e | 6396 | if (flags & CLONE_VM) { |
0429a971 | 6397 | TaskState *parent_ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
6398 | new_thread_info info; |
6399 | pthread_attr_t attr; | |
24cb36a6 | 6400 | |
5ea2fc84 PM |
6401 | if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) || |
6402 | (flags & CLONE_INVALID_THREAD_FLAGS)) { | |
6403 | return -TARGET_EINVAL; | |
6404 | } | |
6405 | ||
c78d65e8 | 6406 | ts = g_new0(TaskState, 1); |
624f7979 | 6407 | init_task_state(ts); |
73a988d9 MF |
6408 | |
6409 | /* Grab a mutex so that thread setup appears atomic. */ | |
6410 | pthread_mutex_lock(&clone_lock); | |
6411 | ||
1b6b029e | 6412 | /* we create a new CPU instance. */ |
c5be9f08 | 6413 | new_env = cpu_copy(env); |
6e68e076 | 6414 | /* Init regs that differ from the parent. */ |
608999d1 | 6415 | cpu_clone_regs_child(new_env, newsp, flags); |
07a6ecf4 | 6416 | cpu_clone_regs_parent(env, flags); |
29a0af61 | 6417 | new_cpu = env_cpu(new_env); |
0429a971 | 6418 | new_cpu->opaque = ts; |
edf8e2af MW |
6419 | ts->bprm = parent_ts->bprm; |
6420 | ts->info = parent_ts->info; | |
3d3efba0 | 6421 | ts->signal_mask = parent_ts->signal_mask; |
d865bab5 | 6422 | |
7cfbd386 | 6423 | if (flags & CLONE_CHILD_CLEARTID) { |
c2764719 PB |
6424 | ts->child_tidptr = child_tidptr; |
6425 | } | |
6426 | ||
7cfbd386 | 6427 | if (flags & CLONE_SETTLS) { |
d865bab5 | 6428 | cpu_set_tls (new_env, newtls); |
7cfbd386 | 6429 | } |
d865bab5 | 6430 | |
d865bab5 PB |
6431 | memset(&info, 0, sizeof(info)); |
6432 | pthread_mutex_init(&info.mutex, NULL); | |
6433 | pthread_mutex_lock(&info.mutex); | |
6434 | pthread_cond_init(&info.cond, NULL); | |
6435 | info.env = new_env; | |
7cfbd386 | 6436 | if (flags & CLONE_CHILD_SETTID) { |
d865bab5 | 6437 | info.child_tidptr = child_tidptr; |
7cfbd386 PM |
6438 | } |
6439 | if (flags & CLONE_PARENT_SETTID) { | |
d865bab5 | 6440 | info.parent_tidptr = parent_tidptr; |
7cfbd386 | 6441 | } |
d865bab5 PB |
6442 | |
6443 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
6444 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
6445 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
6446 | /* It is not safe to deliver signals until the child has finished |
6447 | initializing, so temporarily block all signals. */ | |
6448 | sigfillset(&sigmask); | |
6449 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
5ebdd774 | 6450 | cpu->random_seed = qemu_guest_random_seed_thread_part1(); |
d865bab5 | 6451 | |
b67cb68b AB |
6452 | /* If this is our first additional thread, we need to ensure we |
6453 | * generate code for parallel execution and flush old translations. | |
6454 | */ | |
6455 | if (!parallel_cpus) { | |
6456 | parallel_cpus = true; | |
6457 | tb_flush(cpu); | |
6458 | } | |
6459 | ||
d865bab5 | 6460 | ret = pthread_create(&info.thread, &attr, clone_func, &info); |
c2764719 | 6461 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
6462 | |
6463 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
6464 | pthread_attr_destroy(&attr); | |
6465 | if (ret == 0) { | |
6466 | /* Wait for the child to initialize. */ | |
6467 | pthread_cond_wait(&info.cond, &info.mutex); | |
6468 | ret = info.tid; | |
d865bab5 PB |
6469 | } else { |
6470 | ret = -1; | |
6471 | } | |
6472 | pthread_mutex_unlock(&info.mutex); | |
6473 | pthread_cond_destroy(&info.cond); | |
6474 | pthread_mutex_destroy(&info.mutex); | |
6475 | pthread_mutex_unlock(&clone_lock); | |
1b6b029e FB |
6476 | } else { |
6477 | /* if no CLONE_VM, we consider it is a fork */ | |
5ea2fc84 PM |
6478 | if (flags & CLONE_INVALID_FORK_FLAGS) { |
6479 | return -TARGET_EINVAL; | |
6480 | } | |
6481 | ||
6482 | /* We can't support custom termination signals */ | |
6483 | if ((flags & CSIGNAL) != TARGET_SIGCHLD) { | |
93b4eff8 TB |
6484 | return -TARGET_EINVAL; |
6485 | } | |
7d92d34e TB |
6486 | |
6487 | if (block_signals()) { | |
6488 | return -TARGET_ERESTARTSYS; | |
6489 | } | |
6490 | ||
d865bab5 | 6491 | fork_start(); |
1b6b029e | 6492 | ret = fork(); |
d865bab5 | 6493 | if (ret == 0) { |
2b1319c8 | 6494 | /* Child Process. */ |
608999d1 | 6495 | cpu_clone_regs_child(env, newsp, flags); |
d865bab5 | 6496 | fork_end(1); |
2b1319c8 AJ |
6497 | /* There is a race condition here. The parent process could |
6498 | theoretically read the TID in the child process before the child | |
6499 | tid is set. This would require using either ptrace | |
6500 | (not implemented) or having *_tidptr to point at a shared memory | |
6501 | mapping. We can't repeat the spinlock hack used above because | |
6502 | the child process gets its own copy of the lock. */ | |
d865bab5 | 6503 | if (flags & CLONE_CHILD_SETTID) |
71ba74f6 | 6504 | put_user_u32(sys_gettid(), child_tidptr); |
d865bab5 | 6505 | if (flags & CLONE_PARENT_SETTID) |
71ba74f6 | 6506 | put_user_u32(sys_gettid(), parent_tidptr); |
0429a971 | 6507 | ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
6508 | if (flags & CLONE_SETTLS) |
6509 | cpu_set_tls (env, newtls); | |
c2764719 PB |
6510 | if (flags & CLONE_CHILD_CLEARTID) |
6511 | ts->child_tidptr = child_tidptr; | |
d865bab5 | 6512 | } else { |
07a6ecf4 | 6513 | cpu_clone_regs_parent(env, flags); |
d865bab5 PB |
6514 | fork_end(0); |
6515 | } | |
1b6b029e FB |
6516 | } |
6517 | return ret; | |
6518 | } | |
6519 | ||
5f106811 APR |
6520 | /* warning : doesn't handle linux specific flags... */ |
6521 | static int target_to_host_fcntl_cmd(int cmd) | |
6522 | { | |
4a545761 SB |
6523 | int ret; |
6524 | ||
5f106811 | 6525 | switch(cmd) { |
4a545761 SB |
6526 | case TARGET_F_DUPFD: |
6527 | case TARGET_F_GETFD: | |
6528 | case TARGET_F_SETFD: | |
6529 | case TARGET_F_GETFL: | |
6530 | case TARGET_F_SETFL: | |
2d92c682 AS |
6531 | case TARGET_F_OFD_GETLK: |
6532 | case TARGET_F_OFD_SETLK: | |
6533 | case TARGET_F_OFD_SETLKW: | |
4a545761 SB |
6534 | ret = cmd; |
6535 | break; | |
6536 | case TARGET_F_GETLK: | |
6537 | ret = F_GETLK64; | |
6538 | break; | |
6539 | case TARGET_F_SETLK: | |
6540 | ret = F_SETLK64; | |
6541 | break; | |
6542 | case TARGET_F_SETLKW: | |
6543 | ret = F_SETLKW64; | |
6544 | break; | |
6545 | case TARGET_F_GETOWN: | |
6546 | ret = F_GETOWN; | |
6547 | break; | |
6548 | case TARGET_F_SETOWN: | |
6549 | ret = F_SETOWN; | |
6550 | break; | |
6551 | case TARGET_F_GETSIG: | |
6552 | ret = F_GETSIG; | |
6553 | break; | |
6554 | case TARGET_F_SETSIG: | |
6555 | ret = F_SETSIG; | |
6556 | break; | |
5f106811 | 6557 | #if TARGET_ABI_BITS == 32 |
4a545761 SB |
6558 | case TARGET_F_GETLK64: |
6559 | ret = F_GETLK64; | |
6560 | break; | |
6561 | case TARGET_F_SETLK64: | |
6562 | ret = F_SETLK64; | |
6563 | break; | |
6564 | case TARGET_F_SETLKW64: | |
6565 | ret = F_SETLKW64; | |
6566 | break; | |
5f106811 | 6567 | #endif |
4a545761 SB |
6568 | case TARGET_F_SETLEASE: |
6569 | ret = F_SETLEASE; | |
6570 | break; | |
6571 | case TARGET_F_GETLEASE: | |
6572 | ret = F_GETLEASE; | |
6573 | break; | |
fbd5de9b | 6574 | #ifdef F_DUPFD_CLOEXEC |
4a545761 SB |
6575 | case TARGET_F_DUPFD_CLOEXEC: |
6576 | ret = F_DUPFD_CLOEXEC; | |
6577 | break; | |
fbd5de9b | 6578 | #endif |
4a545761 SB |
6579 | case TARGET_F_NOTIFY: |
6580 | ret = F_NOTIFY; | |
6581 | break; | |
8d5d3004 | 6582 | #ifdef F_GETOWN_EX |
4a545761 SB |
6583 | case TARGET_F_GETOWN_EX: |
6584 | ret = F_GETOWN_EX; | |
6585 | break; | |
8d5d3004 AS |
6586 | #endif |
6587 | #ifdef F_SETOWN_EX | |
4a545761 SB |
6588 | case TARGET_F_SETOWN_EX: |
6589 | ret = F_SETOWN_EX; | |
6590 | break; | |
8d5d3004 | 6591 | #endif |
ddf31aa8 | 6592 | #ifdef F_SETPIPE_SZ |
4a545761 SB |
6593 | case TARGET_F_SETPIPE_SZ: |
6594 | ret = F_SETPIPE_SZ; | |
6595 | break; | |
6596 | case TARGET_F_GETPIPE_SZ: | |
6597 | ret = F_GETPIPE_SZ; | |
6598 | break; | |
ddf31aa8 | 6599 | #endif |
4a545761 SB |
6600 | default: |
6601 | ret = -TARGET_EINVAL; | |
6602 | break; | |
6603 | } | |
6604 | ||
6605 | #if defined(__powerpc64__) | |
6606 | /* On PPC64, glibc headers has the F_*LK* defined to 12, 13 and 14 and | |
6607 | * is not supported by kernel. The glibc fcntl call actually adjusts | |
6608 | * them to 5, 6 and 7 before making the syscall(). Since we make the | |
6609 | * syscall directly, adjust to what is supported by the kernel. | |
6610 | */ | |
6611 | if (ret >= F_GETLK64 && ret <= F_SETLKW64) { | |
6612 | ret -= F_GETLK64 - 5; | |
5f106811 | 6613 | } |
4a545761 SB |
6614 | #endif |
6615 | ||
6616 | return ret; | |
5f106811 APR |
6617 | } |
6618 | ||
ae68ad9f LV |
6619 | #define FLOCK_TRANSTBL \ |
6620 | switch (type) { \ | |
6621 | TRANSTBL_CONVERT(F_RDLCK); \ | |
6622 | TRANSTBL_CONVERT(F_WRLCK); \ | |
6623 | TRANSTBL_CONVERT(F_UNLCK); \ | |
6624 | TRANSTBL_CONVERT(F_EXLCK); \ | |
6625 | TRANSTBL_CONVERT(F_SHLCK); \ | |
6626 | } | |
6627 | ||
6628 | static int target_to_host_flock(int type) | |
6629 | { | |
6630 | #define TRANSTBL_CONVERT(a) case TARGET_##a: return a | |
6631 | FLOCK_TRANSTBL | |
6632 | #undef TRANSTBL_CONVERT | |
6633 | return -TARGET_EINVAL; | |
6634 | } | |
6635 | ||
6636 | static int host_to_target_flock(int type) | |
6637 | { | |
6638 | #define TRANSTBL_CONVERT(a) case a: return TARGET_##a | |
6639 | FLOCK_TRANSTBL | |
6640 | #undef TRANSTBL_CONVERT | |
6641 | /* if we don't know how to convert the value coming | |
6642 | * from the host we copy to the target field as-is | |
6643 | */ | |
6644 | return type; | |
6645 | } | |
2ba7f730 | 6646 | |
213d3e9e PM |
6647 | static inline abi_long copy_from_user_flock(struct flock64 *fl, |
6648 | abi_ulong target_flock_addr) | |
7775e9ec | 6649 | { |
53a5960a | 6650 | struct target_flock *target_fl; |
ae68ad9f | 6651 | int l_type; |
213d3e9e PM |
6652 | |
6653 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6654 | return -TARGET_EFAULT; | |
6655 | } | |
6656 | ||
6657 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6658 | l_type = target_to_host_flock(l_type); |
6659 | if (l_type < 0) { | |
6660 | return l_type; | |
6661 | } | |
6662 | fl->l_type = l_type; | |
213d3e9e PM |
6663 | __get_user(fl->l_whence, &target_fl->l_whence); |
6664 | __get_user(fl->l_start, &target_fl->l_start); | |
6665 | __get_user(fl->l_len, &target_fl->l_len); | |
6666 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6667 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6668 | return 0; | |
6669 | } | |
6670 | ||
6671 | static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr, | |
6672 | const struct flock64 *fl) | |
6673 | { | |
6674 | struct target_flock *target_fl; | |
6675 | short l_type; | |
6676 | ||
6677 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6678 | return -TARGET_EFAULT; | |
6679 | } | |
6680 | ||
ae68ad9f | 6681 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
6682 | __put_user(l_type, &target_fl->l_type); |
6683 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6684 | __put_user(fl->l_start, &target_fl->l_start); | |
6685 | __put_user(fl->l_len, &target_fl->l_len); | |
6686 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6687 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6688 | return 0; | |
6689 | } | |
6690 | ||
6691 | typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr); | |
6692 | typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl); | |
6693 | ||
6694 | #if defined(TARGET_ARM) && TARGET_ABI_BITS == 32 | |
7f254c5c | 6695 | static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl, |
213d3e9e PM |
6696 | abi_ulong target_flock_addr) |
6697 | { | |
7f254c5c | 6698 | struct target_oabi_flock64 *target_fl; |
ae68ad9f | 6699 | int l_type; |
213d3e9e PM |
6700 | |
6701 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6702 | return -TARGET_EFAULT; | |
6703 | } | |
6704 | ||
6705 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6706 | l_type = target_to_host_flock(l_type); |
6707 | if (l_type < 0) { | |
6708 | return l_type; | |
6709 | } | |
6710 | fl->l_type = l_type; | |
213d3e9e PM |
6711 | __get_user(fl->l_whence, &target_fl->l_whence); |
6712 | __get_user(fl->l_start, &target_fl->l_start); | |
6713 | __get_user(fl->l_len, &target_fl->l_len); | |
6714 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6715 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6716 | return 0; | |
6717 | } | |
6718 | ||
7f254c5c | 6719 | static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr, |
213d3e9e PM |
6720 | const struct flock64 *fl) |
6721 | { | |
7f254c5c | 6722 | struct target_oabi_flock64 *target_fl; |
213d3e9e PM |
6723 | short l_type; |
6724 | ||
6725 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6726 | return -TARGET_EFAULT; | |
6727 | } | |
6728 | ||
ae68ad9f | 6729 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
6730 | __put_user(l_type, &target_fl->l_type); |
6731 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6732 | __put_user(fl->l_start, &target_fl->l_start); | |
6733 | __put_user(fl->l_len, &target_fl->l_len); | |
6734 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6735 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6736 | return 0; | |
6737 | } | |
6738 | #endif | |
6739 | ||
6740 | static inline abi_long copy_from_user_flock64(struct flock64 *fl, | |
6741 | abi_ulong target_flock_addr) | |
6742 | { | |
6743 | struct target_flock64 *target_fl; | |
ae68ad9f | 6744 | int l_type; |
213d3e9e PM |
6745 | |
6746 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6747 | return -TARGET_EFAULT; | |
6748 | } | |
6749 | ||
6750 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6751 | l_type = target_to_host_flock(l_type); |
6752 | if (l_type < 0) { | |
6753 | return l_type; | |
6754 | } | |
6755 | fl->l_type = l_type; | |
213d3e9e PM |
6756 | __get_user(fl->l_whence, &target_fl->l_whence); |
6757 | __get_user(fl->l_start, &target_fl->l_start); | |
6758 | __get_user(fl->l_len, &target_fl->l_len); | |
6759 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6760 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6761 | return 0; | |
6762 | } | |
6763 | ||
6764 | static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr, | |
6765 | const struct flock64 *fl) | |
6766 | { | |
6767 | struct target_flock64 *target_fl; | |
6768 | short l_type; | |
6769 | ||
6770 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6771 | return -TARGET_EFAULT; | |
6772 | } | |
6773 | ||
ae68ad9f | 6774 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
6775 | __put_user(l_type, &target_fl->l_type); |
6776 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6777 | __put_user(fl->l_start, &target_fl->l_start); | |
6778 | __put_user(fl->l_len, &target_fl->l_len); | |
6779 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6780 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6781 | return 0; | |
6782 | } | |
6783 | ||
6784 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) | |
6785 | { | |
43f238d7 | 6786 | struct flock64 fl64; |
8d5d3004 AS |
6787 | #ifdef F_GETOWN_EX |
6788 | struct f_owner_ex fox; | |
6789 | struct target_f_owner_ex *target_fox; | |
6790 | #endif | |
992f48a0 | 6791 | abi_long ret; |
5f106811 APR |
6792 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
6793 | ||
6794 | if (host_cmd == -TARGET_EINVAL) | |
6795 | return host_cmd; | |
53a5960a | 6796 | |
7775e9ec FB |
6797 | switch(cmd) { |
6798 | case TARGET_F_GETLK: | |
213d3e9e PM |
6799 | ret = copy_from_user_flock(&fl64, arg); |
6800 | if (ret) { | |
6801 | return ret; | |
6802 | } | |
435da5e7 | 6803 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 6804 | if (ret == 0) { |
213d3e9e | 6805 | ret = copy_to_user_flock(arg, &fl64); |
7775e9ec FB |
6806 | } |
6807 | break; | |
3b46e624 | 6808 | |
7775e9ec FB |
6809 | case TARGET_F_SETLK: |
6810 | case TARGET_F_SETLKW: | |
213d3e9e PM |
6811 | ret = copy_from_user_flock(&fl64, arg); |
6812 | if (ret) { | |
6813 | return ret; | |
6814 | } | |
435da5e7 | 6815 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 6816 | break; |
3b46e624 | 6817 | |
7775e9ec | 6818 | case TARGET_F_GETLK64: |
2d92c682 | 6819 | case TARGET_F_OFD_GETLK: |
213d3e9e PM |
6820 | ret = copy_from_user_flock64(&fl64, arg); |
6821 | if (ret) { | |
6822 | return ret; | |
6823 | } | |
435da5e7 | 6824 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 6825 | if (ret == 0) { |
213d3e9e | 6826 | ret = copy_to_user_flock64(arg, &fl64); |
43f238d7 | 6827 | } |
9ee1fa2c | 6828 | break; |
7775e9ec FB |
6829 | case TARGET_F_SETLK64: |
6830 | case TARGET_F_SETLKW64: | |
2d92c682 AS |
6831 | case TARGET_F_OFD_SETLK: |
6832 | case TARGET_F_OFD_SETLKW: | |
213d3e9e PM |
6833 | ret = copy_from_user_flock64(&fl64, arg); |
6834 | if (ret) { | |
6835 | return ret; | |
6836 | } | |
435da5e7 | 6837 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
6838 | break; |
6839 | ||
5f106811 | 6840 | case TARGET_F_GETFL: |
435da5e7 | 6841 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
9ee1fa2c FB |
6842 | if (ret >= 0) { |
6843 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
6844 | } | |
ffa65c3b FB |
6845 | break; |
6846 | ||
5f106811 | 6847 | case TARGET_F_SETFL: |
435da5e7 PM |
6848 | ret = get_errno(safe_fcntl(fd, host_cmd, |
6849 | target_to_host_bitmask(arg, | |
6850 | fcntl_flags_tbl))); | |
5f106811 APR |
6851 | break; |
6852 | ||
8d5d3004 AS |
6853 | #ifdef F_GETOWN_EX |
6854 | case TARGET_F_GETOWN_EX: | |
435da5e7 | 6855 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
6856 | if (ret >= 0) { |
6857 | if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0)) | |
6858 | return -TARGET_EFAULT; | |
6859 | target_fox->type = tswap32(fox.type); | |
6860 | target_fox->pid = tswap32(fox.pid); | |
6861 | unlock_user_struct(target_fox, arg, 1); | |
6862 | } | |
6863 | break; | |
6864 | #endif | |
6865 | ||
6866 | #ifdef F_SETOWN_EX | |
6867 | case TARGET_F_SETOWN_EX: | |
6868 | if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1)) | |
6869 | return -TARGET_EFAULT; | |
6870 | fox.type = tswap32(target_fox->type); | |
6871 | fox.pid = tswap32(target_fox->pid); | |
6872 | unlock_user_struct(target_fox, arg, 0); | |
435da5e7 | 6873 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
6874 | break; |
6875 | #endif | |
6876 | ||
5f106811 | 6877 | case TARGET_F_SETSIG: |
a7b4c9b1 TB |
6878 | ret = get_errno(safe_fcntl(fd, host_cmd, target_to_host_signal(arg))); |
6879 | break; | |
6880 | ||
5f106811 | 6881 | case TARGET_F_GETSIG: |
a7b4c9b1 TB |
6882 | ret = host_to_target_signal(get_errno(safe_fcntl(fd, host_cmd, arg))); |
6883 | break; | |
6884 | ||
6885 | case TARGET_F_SETOWN: | |
6886 | case TARGET_F_GETOWN: | |
7e22e546 UH |
6887 | case TARGET_F_SETLEASE: |
6888 | case TARGET_F_GETLEASE: | |
7e3b92ec PM |
6889 | case TARGET_F_SETPIPE_SZ: |
6890 | case TARGET_F_GETPIPE_SZ: | |
435da5e7 | 6891 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
6892 | break; |
6893 | ||
7775e9ec | 6894 | default: |
435da5e7 | 6895 | ret = get_errno(safe_fcntl(fd, cmd, arg)); |
7775e9ec FB |
6896 | break; |
6897 | } | |
6898 | return ret; | |
6899 | } | |
6900 | ||
67867308 | 6901 | #ifdef USE_UID16 |
7775e9ec | 6902 | |
67867308 FB |
6903 | static inline int high2lowuid(int uid) |
6904 | { | |
6905 | if (uid > 65535) | |
6906 | return 65534; | |
6907 | else | |
6908 | return uid; | |
6909 | } | |
6910 | ||
6911 | static inline int high2lowgid(int gid) | |
6912 | { | |
6913 | if (gid > 65535) | |
6914 | return 65534; | |
6915 | else | |
6916 | return gid; | |
6917 | } | |
6918 | ||
6919 | static inline int low2highuid(int uid) | |
6920 | { | |
6921 | if ((int16_t)uid == -1) | |
6922 | return -1; | |
6923 | else | |
6924 | return uid; | |
6925 | } | |
6926 | ||
6927 | static inline int low2highgid(int gid) | |
6928 | { | |
6929 | if ((int16_t)gid == -1) | |
6930 | return -1; | |
6931 | else | |
6932 | return gid; | |
6933 | } | |
0c866a7e RV |
6934 | static inline int tswapid(int id) |
6935 | { | |
6936 | return tswap16(id); | |
6937 | } | |
76ca310a PM |
6938 | |
6939 | #define put_user_id(x, gaddr) put_user_u16(x, gaddr) | |
6940 | ||
0c866a7e RV |
6941 | #else /* !USE_UID16 */ |
6942 | static inline int high2lowuid(int uid) | |
6943 | { | |
6944 | return uid; | |
6945 | } | |
6946 | static inline int high2lowgid(int gid) | |
6947 | { | |
6948 | return gid; | |
6949 | } | |
6950 | static inline int low2highuid(int uid) | |
6951 | { | |
6952 | return uid; | |
6953 | } | |
6954 | static inline int low2highgid(int gid) | |
6955 | { | |
6956 | return gid; | |
6957 | } | |
6958 | static inline int tswapid(int id) | |
6959 | { | |
6960 | return tswap32(id); | |
6961 | } | |
76ca310a PM |
6962 | |
6963 | #define put_user_id(x, gaddr) put_user_u32(x, gaddr) | |
6964 | ||
67867308 | 6965 | #endif /* USE_UID16 */ |
1b6b029e | 6966 | |
fd6f7798 PM |
6967 | /* We must do direct syscalls for setting UID/GID, because we want to |
6968 | * implement the Linux system call semantics of "change only for this thread", | |
6969 | * not the libc/POSIX semantics of "change for all threads in process". | |
6970 | * (See http://ewontfix.com/17/ for more details.) | |
6971 | * We use the 32-bit version of the syscalls if present; if it is not | |
6972 | * then either the host architecture supports 32-bit UIDs natively with | |
6973 | * the standard syscall, or the 16-bit UID is the best we can do. | |
6974 | */ | |
6975 | #ifdef __NR_setuid32 | |
6976 | #define __NR_sys_setuid __NR_setuid32 | |
6977 | #else | |
6978 | #define __NR_sys_setuid __NR_setuid | |
6979 | #endif | |
6980 | #ifdef __NR_setgid32 | |
6981 | #define __NR_sys_setgid __NR_setgid32 | |
6982 | #else | |
6983 | #define __NR_sys_setgid __NR_setgid | |
6984 | #endif | |
6985 | #ifdef __NR_setresuid32 | |
6986 | #define __NR_sys_setresuid __NR_setresuid32 | |
6987 | #else | |
6988 | #define __NR_sys_setresuid __NR_setresuid | |
6989 | #endif | |
6990 | #ifdef __NR_setresgid32 | |
6991 | #define __NR_sys_setresgid __NR_setresgid32 | |
6992 | #else | |
6993 | #define __NR_sys_setresgid __NR_setresgid | |
6994 | #endif | |
6995 | ||
6996 | _syscall1(int, sys_setuid, uid_t, uid) | |
6997 | _syscall1(int, sys_setgid, gid_t, gid) | |
6998 | _syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) | |
6999 | _syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid) | |
7000 | ||
31e31b8a FB |
7001 | void syscall_init(void) |
7002 | { | |
2ab83ea7 FB |
7003 | IOCTLEntry *ie; |
7004 | const argtype *arg_type; | |
7005 | int size; | |
b92c47c1 | 7006 | int i; |
2ab83ea7 | 7007 | |
8be656b8 AG |
7008 | thunk_init(STRUCT_MAX); |
7009 | ||
001faf32 | 7010 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 7011 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
7012 | #include "syscall_types.h" |
7013 | #undef STRUCT | |
7014 | #undef STRUCT_SPECIAL | |
2ab83ea7 | 7015 | |
dd6e957a PM |
7016 | /* Build target_to_host_errno_table[] table from |
7017 | * host_to_target_errno_table[]. */ | |
7018 | for (i = 0; i < ERRNO_TABLE_SIZE; i++) { | |
7019 | target_to_host_errno_table[host_to_target_errno_table[i]] = i; | |
7020 | } | |
7021 | ||
2ab83ea7 FB |
7022 | /* we patch the ioctl size if necessary. We rely on the fact that |
7023 | no ioctl has all the bits at '1' in the size field */ | |
7024 | ie = ioctl_entries; | |
7025 | while (ie->target_cmd != 0) { | |
7026 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
7027 | TARGET_IOC_SIZEMASK) { | |
7028 | arg_type = ie->arg_type; | |
7029 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 7030 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
7031 | ie->target_cmd); |
7032 | exit(1); | |
7033 | } | |
7034 | arg_type++; | |
7035 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 7036 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
7037 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
7038 | (size << TARGET_IOC_SIZESHIFT); | |
7039 | } | |
b92c47c1 | 7040 | |
2ab83ea7 | 7041 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
7042 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
7043 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
7044 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
7045 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
7046 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
7047 | } |
7048 | #endif | |
7049 | ie++; | |
7050 | } | |
31e31b8a | 7051 | } |
c573ff67 | 7052 | |
ce4defa0 | 7053 | #ifdef TARGET_NR_truncate64 |
992f48a0 BS |
7054 | static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
7055 | abi_long arg2, | |
7056 | abi_long arg3, | |
7057 | abi_long arg4) | |
ce4defa0 | 7058 | { |
8bf8e9df | 7059 | if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) { |
ce4defa0 PB |
7060 | arg2 = arg3; |
7061 | arg3 = arg4; | |
48e515d4 | 7062 | } |
ce4defa0 PB |
7063 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
7064 | } | |
7065 | #endif | |
7066 | ||
7067 | #ifdef TARGET_NR_ftruncate64 | |
992f48a0 BS |
7068 | static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
7069 | abi_long arg2, | |
7070 | abi_long arg3, | |
7071 | abi_long arg4) | |
ce4defa0 | 7072 | { |
8bf8e9df | 7073 | if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) { |
ce4defa0 PB |
7074 | arg2 = arg3; |
7075 | arg3 = arg4; | |
48e515d4 | 7076 | } |
ce4defa0 PB |
7077 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
7078 | } | |
7079 | #endif | |
7080 | ||
859e8a89 AF |
7081 | #if defined(TARGET_NR_timer_settime) || \ |
7082 | (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)) | |
2c86c90f | 7083 | static inline abi_long target_to_host_itimerspec(struct itimerspec *host_its, |
f4f1e10a ECL |
7084 | abi_ulong target_addr) |
7085 | { | |
2c86c90f FB |
7086 | if (target_to_host_timespec(&host_its->it_interval, target_addr + |
7087 | offsetof(struct target_itimerspec, | |
7088 | it_interval)) || | |
7089 | target_to_host_timespec(&host_its->it_value, target_addr + | |
7090 | offsetof(struct target_itimerspec, | |
7091 | it_value))) { | |
f4f1e10a ECL |
7092 | return -TARGET_EFAULT; |
7093 | } | |
7094 | ||
f4f1e10a ECL |
7095 | return 0; |
7096 | } | |
859e8a89 | 7097 | #endif |
f4f1e10a | 7098 | |
828cb3a1 FB |
7099 | #if defined(TARGET_NR_timer_settime64) || \ |
7100 | (defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD)) | |
7101 | static inline abi_long target_to_host_itimerspec64(struct itimerspec *host_its, | |
7102 | abi_ulong target_addr) | |
7103 | { | |
7104 | if (target_to_host_timespec64(&host_its->it_interval, target_addr + | |
7105 | offsetof(struct target__kernel_itimerspec, | |
7106 | it_interval)) || | |
7107 | target_to_host_timespec64(&host_its->it_value, target_addr + | |
7108 | offsetof(struct target__kernel_itimerspec, | |
7109 | it_value))) { | |
7110 | return -TARGET_EFAULT; | |
7111 | } | |
7112 | ||
7113 | return 0; | |
7114 | } | |
7115 | #endif | |
7116 | ||
859e8a89 AF |
7117 | #if ((defined(TARGET_NR_timerfd_gettime) || \ |
7118 | defined(TARGET_NR_timerfd_settime)) && defined(CONFIG_TIMERFD)) || \ | |
2c86c90f | 7119 | defined(TARGET_NR_timer_gettime) || defined(TARGET_NR_timer_settime) |
f4f1e10a | 7120 | static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, |
2c86c90f FB |
7121 | struct itimerspec *host_its) |
7122 | { | |
7123 | if (host_to_target_timespec(target_addr + offsetof(struct target_itimerspec, | |
7124 | it_interval), | |
7125 | &host_its->it_interval) || | |
7126 | host_to_target_timespec(target_addr + offsetof(struct target_itimerspec, | |
7127 | it_value), | |
7128 | &host_its->it_value)) { | |
f4f1e10a ECL |
7129 | return -TARGET_EFAULT; |
7130 | } | |
f4f1e10a ECL |
7131 | return 0; |
7132 | } | |
859e8a89 | 7133 | #endif |
f4f1e10a | 7134 | |
828cb3a1 FB |
7135 | #if ((defined(TARGET_NR_timerfd_gettime64) || \ |
7136 | defined(TARGET_NR_timerfd_settime64)) && defined(CONFIG_TIMERFD)) || \ | |
7137 | defined(TARGET_NR_timer_gettime64) || defined(TARGET_NR_timer_settime64) | |
7138 | static inline abi_long host_to_target_itimerspec64(abi_ulong target_addr, | |
7139 | struct itimerspec *host_its) | |
7140 | { | |
7141 | if (host_to_target_timespec64(target_addr + | |
7142 | offsetof(struct target__kernel_itimerspec, | |
7143 | it_interval), | |
7144 | &host_its->it_interval) || | |
7145 | host_to_target_timespec64(target_addr + | |
7146 | offsetof(struct target__kernel_itimerspec, | |
7147 | it_value), | |
7148 | &host_its->it_value)) { | |
7149 | return -TARGET_EFAULT; | |
7150 | } | |
7151 | return 0; | |
7152 | } | |
7153 | #endif | |
7154 | ||
859e8a89 AF |
7155 | #if defined(TARGET_NR_adjtimex) || \ |
7156 | (defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME)) | |
19f59bce AM |
7157 | static inline abi_long target_to_host_timex(struct timex *host_tx, |
7158 | abi_long target_addr) | |
7159 | { | |
7160 | struct target_timex *target_tx; | |
7161 | ||
7162 | if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) { | |
7163 | return -TARGET_EFAULT; | |
7164 | } | |
7165 | ||
7166 | __get_user(host_tx->modes, &target_tx->modes); | |
7167 | __get_user(host_tx->offset, &target_tx->offset); | |
7168 | __get_user(host_tx->freq, &target_tx->freq); | |
7169 | __get_user(host_tx->maxerror, &target_tx->maxerror); | |
7170 | __get_user(host_tx->esterror, &target_tx->esterror); | |
7171 | __get_user(host_tx->status, &target_tx->status); | |
7172 | __get_user(host_tx->constant, &target_tx->constant); | |
7173 | __get_user(host_tx->precision, &target_tx->precision); | |
7174 | __get_user(host_tx->tolerance, &target_tx->tolerance); | |
7175 | __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
7176 | __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
7177 | __get_user(host_tx->tick, &target_tx->tick); | |
7178 | __get_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7179 | __get_user(host_tx->jitter, &target_tx->jitter); | |
7180 | __get_user(host_tx->shift, &target_tx->shift); | |
7181 | __get_user(host_tx->stabil, &target_tx->stabil); | |
7182 | __get_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7183 | __get_user(host_tx->calcnt, &target_tx->calcnt); | |
7184 | __get_user(host_tx->errcnt, &target_tx->errcnt); | |
7185 | __get_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7186 | __get_user(host_tx->tai, &target_tx->tai); | |
7187 | ||
7188 | unlock_user_struct(target_tx, target_addr, 0); | |
7189 | return 0; | |
7190 | } | |
7191 | ||
7192 | static inline abi_long host_to_target_timex(abi_long target_addr, | |
7193 | struct timex *host_tx) | |
7194 | { | |
7195 | struct target_timex *target_tx; | |
7196 | ||
7197 | if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) { | |
7198 | return -TARGET_EFAULT; | |
7199 | } | |
7200 | ||
7201 | __put_user(host_tx->modes, &target_tx->modes); | |
7202 | __put_user(host_tx->offset, &target_tx->offset); | |
7203 | __put_user(host_tx->freq, &target_tx->freq); | |
7204 | __put_user(host_tx->maxerror, &target_tx->maxerror); | |
7205 | __put_user(host_tx->esterror, &target_tx->esterror); | |
7206 | __put_user(host_tx->status, &target_tx->status); | |
7207 | __put_user(host_tx->constant, &target_tx->constant); | |
7208 | __put_user(host_tx->precision, &target_tx->precision); | |
7209 | __put_user(host_tx->tolerance, &target_tx->tolerance); | |
7210 | __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
7211 | __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
7212 | __put_user(host_tx->tick, &target_tx->tick); | |
7213 | __put_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7214 | __put_user(host_tx->jitter, &target_tx->jitter); | |
7215 | __put_user(host_tx->shift, &target_tx->shift); | |
7216 | __put_user(host_tx->stabil, &target_tx->stabil); | |
7217 | __put_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7218 | __put_user(host_tx->calcnt, &target_tx->calcnt); | |
7219 | __put_user(host_tx->errcnt, &target_tx->errcnt); | |
7220 | __put_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7221 | __put_user(host_tx->tai, &target_tx->tai); | |
7222 | ||
7223 | unlock_user_struct(target_tx, target_addr, 1); | |
7224 | return 0; | |
7225 | } | |
859e8a89 | 7226 | #endif |
19f59bce | 7227 | |
6ac03b2c FB |
7228 | |
7229 | #if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME) | |
7230 | static inline abi_long target_to_host_timex64(struct timex *host_tx, | |
7231 | abi_long target_addr) | |
7232 | { | |
7233 | struct target__kernel_timex *target_tx; | |
7234 | ||
7235 | if (copy_from_user_timeval64(&host_tx->time, target_addr + | |
7236 | offsetof(struct target__kernel_timex, | |
7237 | time))) { | |
7238 | return -TARGET_EFAULT; | |
7239 | } | |
7240 | ||
7241 | if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) { | |
7242 | return -TARGET_EFAULT; | |
7243 | } | |
7244 | ||
7245 | __get_user(host_tx->modes, &target_tx->modes); | |
7246 | __get_user(host_tx->offset, &target_tx->offset); | |
7247 | __get_user(host_tx->freq, &target_tx->freq); | |
7248 | __get_user(host_tx->maxerror, &target_tx->maxerror); | |
7249 | __get_user(host_tx->esterror, &target_tx->esterror); | |
7250 | __get_user(host_tx->status, &target_tx->status); | |
7251 | __get_user(host_tx->constant, &target_tx->constant); | |
7252 | __get_user(host_tx->precision, &target_tx->precision); | |
7253 | __get_user(host_tx->tolerance, &target_tx->tolerance); | |
7254 | __get_user(host_tx->tick, &target_tx->tick); | |
7255 | __get_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7256 | __get_user(host_tx->jitter, &target_tx->jitter); | |
7257 | __get_user(host_tx->shift, &target_tx->shift); | |
7258 | __get_user(host_tx->stabil, &target_tx->stabil); | |
7259 | __get_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7260 | __get_user(host_tx->calcnt, &target_tx->calcnt); | |
7261 | __get_user(host_tx->errcnt, &target_tx->errcnt); | |
7262 | __get_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7263 | __get_user(host_tx->tai, &target_tx->tai); | |
7264 | ||
7265 | unlock_user_struct(target_tx, target_addr, 0); | |
7266 | return 0; | |
7267 | } | |
7268 | ||
7269 | static inline abi_long host_to_target_timex64(abi_long target_addr, | |
7270 | struct timex *host_tx) | |
7271 | { | |
7272 | struct target__kernel_timex *target_tx; | |
7273 | ||
7274 | if (copy_to_user_timeval64(target_addr + | |
7275 | offsetof(struct target__kernel_timex, time), | |
7276 | &host_tx->time)) { | |
7277 | return -TARGET_EFAULT; | |
7278 | } | |
7279 | ||
7280 | if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) { | |
7281 | return -TARGET_EFAULT; | |
7282 | } | |
7283 | ||
7284 | __put_user(host_tx->modes, &target_tx->modes); | |
7285 | __put_user(host_tx->offset, &target_tx->offset); | |
7286 | __put_user(host_tx->freq, &target_tx->freq); | |
7287 | __put_user(host_tx->maxerror, &target_tx->maxerror); | |
7288 | __put_user(host_tx->esterror, &target_tx->esterror); | |
7289 | __put_user(host_tx->status, &target_tx->status); | |
7290 | __put_user(host_tx->constant, &target_tx->constant); | |
7291 | __put_user(host_tx->precision, &target_tx->precision); | |
7292 | __put_user(host_tx->tolerance, &target_tx->tolerance); | |
7293 | __put_user(host_tx->tick, &target_tx->tick); | |
7294 | __put_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
7295 | __put_user(host_tx->jitter, &target_tx->jitter); | |
7296 | __put_user(host_tx->shift, &target_tx->shift); | |
7297 | __put_user(host_tx->stabil, &target_tx->stabil); | |
7298 | __put_user(host_tx->jitcnt, &target_tx->jitcnt); | |
7299 | __put_user(host_tx->calcnt, &target_tx->calcnt); | |
7300 | __put_user(host_tx->errcnt, &target_tx->errcnt); | |
7301 | __put_user(host_tx->stbcnt, &target_tx->stbcnt); | |
7302 | __put_user(host_tx->tai, &target_tx->tai); | |
7303 | ||
7304 | unlock_user_struct(target_tx, target_addr, 1); | |
7305 | return 0; | |
7306 | } | |
7307 | #endif | |
7308 | ||
c065976f PM |
7309 | static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp, |
7310 | abi_ulong target_addr) | |
7311 | { | |
7312 | struct target_sigevent *target_sevp; | |
7313 | ||
7314 | if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) { | |
7315 | return -TARGET_EFAULT; | |
7316 | } | |
7317 | ||
7318 | /* This union is awkward on 64 bit systems because it has a 32 bit | |
7319 | * integer and a pointer in it; we follow the conversion approach | |
7320 | * used for handling sigval types in signal.c so the guest should get | |
7321 | * the correct value back even if we did a 64 bit byteswap and it's | |
7322 | * using the 32 bit integer. | |
7323 | */ | |
7324 | host_sevp->sigev_value.sival_ptr = | |
7325 | (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr); | |
7326 | host_sevp->sigev_signo = | |
7327 | target_to_host_signal(tswap32(target_sevp->sigev_signo)); | |
7328 | host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify); | |
7329 | host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid); | |
7330 | ||
7331 | unlock_user_struct(target_sevp, target_addr, 1); | |
7332 | return 0; | |
7333 | } | |
7334 | ||
6f6a4032 TM |
7335 | #if defined(TARGET_NR_mlockall) |
7336 | static inline int target_to_host_mlockall_arg(int arg) | |
7337 | { | |
7338 | int result = 0; | |
7339 | ||
02e5d7d7 | 7340 | if (arg & TARGET_MCL_CURRENT) { |
6f6a4032 TM |
7341 | result |= MCL_CURRENT; |
7342 | } | |
02e5d7d7 | 7343 | if (arg & TARGET_MCL_FUTURE) { |
6f6a4032 TM |
7344 | result |= MCL_FUTURE; |
7345 | } | |
02e5d7d7 FB |
7346 | #ifdef MCL_ONFAULT |
7347 | if (arg & TARGET_MCL_ONFAULT) { | |
7348 | result |= MCL_ONFAULT; | |
7349 | } | |
7350 | #endif | |
7351 | ||
6f6a4032 TM |
7352 | return result; |
7353 | } | |
7354 | #endif | |
7355 | ||
4f7f8924 AR |
7356 | #if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \ |
7357 | defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \ | |
7358 | defined(TARGET_NR_newfstatat)) | |
6a24a778 AZ |
7359 | static inline abi_long host_to_target_stat64(void *cpu_env, |
7360 | abi_ulong target_addr, | |
7361 | struct stat *host_st) | |
7362 | { | |
09701199 | 7363 | #if defined(TARGET_ARM) && defined(TARGET_ABI32) |
6a24a778 AZ |
7364 | if (((CPUARMState *)cpu_env)->eabi) { |
7365 | struct target_eabi_stat64 *target_st; | |
7366 | ||
7367 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
7368 | return -TARGET_EFAULT; | |
7369 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
7370 | __put_user(host_st->st_dev, &target_st->st_dev); | |
7371 | __put_user(host_st->st_ino, &target_st->st_ino); | |
7372 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
7373 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
7374 | #endif | |
7375 | __put_user(host_st->st_mode, &target_st->st_mode); | |
7376 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
7377 | __put_user(host_st->st_uid, &target_st->st_uid); | |
7378 | __put_user(host_st->st_gid, &target_st->st_gid); | |
7379 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
7380 | __put_user(host_st->st_size, &target_st->st_size); | |
7381 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
7382 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
7383 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
7384 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
7385 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
5f992db6 CYT |
7386 | #if _POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700 |
7387 | __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec); | |
7388 | __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec); | |
7389 | __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec); | |
7390 | #endif | |
6a24a778 AZ |
7391 | unlock_user_struct(target_st, target_addr, 1); |
7392 | } else | |
7393 | #endif | |
7394 | { | |
20d155bc | 7395 | #if defined(TARGET_HAS_STRUCT_STAT64) |
6a24a778 | 7396 | struct target_stat64 *target_st; |
20d155bc SW |
7397 | #else |
7398 | struct target_stat *target_st; | |
9d33b76b | 7399 | #endif |
6a24a778 AZ |
7400 | |
7401 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
7402 | return -TARGET_EFAULT; | |
9d33b76b | 7403 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
7404 | __put_user(host_st->st_dev, &target_st->st_dev); |
7405 | __put_user(host_st->st_ino, &target_st->st_ino); | |
7406 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
7407 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
7408 | #endif | |
7409 | __put_user(host_st->st_mode, &target_st->st_mode); | |
7410 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
7411 | __put_user(host_st->st_uid, &target_st->st_uid); | |
7412 | __put_user(host_st->st_gid, &target_st->st_gid); | |
7413 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
7414 | /* XXX: better use of kernel struct */ | |
7415 | __put_user(host_st->st_size, &target_st->st_size); | |
7416 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
7417 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
7418 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
7419 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
7420 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
5f992db6 CYT |
7421 | #if _POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700 |
7422 | __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec); | |
7423 | __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec); | |
7424 | __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec); | |
7425 | #endif | |
6a24a778 AZ |
7426 | unlock_user_struct(target_st, target_addr, 1); |
7427 | } | |
7428 | ||
7429 | return 0; | |
7430 | } | |
4f7f8924 | 7431 | #endif |
6a24a778 | 7432 | |
efa92184 AR |
7433 | #if defined(TARGET_NR_statx) && defined(__NR_statx) |
7434 | static inline abi_long host_to_target_statx(struct target_statx *host_stx, | |
7435 | abi_ulong target_addr) | |
7436 | { | |
7437 | struct target_statx *target_stx; | |
7438 | ||
7439 | if (!lock_user_struct(VERIFY_WRITE, target_stx, target_addr, 0)) { | |
7440 | return -TARGET_EFAULT; | |
7441 | } | |
7442 | memset(target_stx, 0, sizeof(*target_stx)); | |
7443 | ||
7444 | __put_user(host_stx->stx_mask, &target_stx->stx_mask); | |
7445 | __put_user(host_stx->stx_blksize, &target_stx->stx_blksize); | |
7446 | __put_user(host_stx->stx_attributes, &target_stx->stx_attributes); | |
7447 | __put_user(host_stx->stx_nlink, &target_stx->stx_nlink); | |
7448 | __put_user(host_stx->stx_uid, &target_stx->stx_uid); | |
7449 | __put_user(host_stx->stx_gid, &target_stx->stx_gid); | |
7450 | __put_user(host_stx->stx_mode, &target_stx->stx_mode); | |
7451 | __put_user(host_stx->stx_ino, &target_stx->stx_ino); | |
7452 | __put_user(host_stx->stx_size, &target_stx->stx_size); | |
7453 | __put_user(host_stx->stx_blocks, &target_stx->stx_blocks); | |
7454 | __put_user(host_stx->stx_attributes_mask, &target_stx->stx_attributes_mask); | |
7455 | __put_user(host_stx->stx_atime.tv_sec, &target_stx->stx_atime.tv_sec); | |
7456 | __put_user(host_stx->stx_atime.tv_nsec, &target_stx->stx_atime.tv_nsec); | |
d1e26707 AC |
7457 | __put_user(host_stx->stx_btime.tv_sec, &target_stx->stx_btime.tv_sec); |
7458 | __put_user(host_stx->stx_btime.tv_nsec, &target_stx->stx_btime.tv_nsec); | |
7459 | __put_user(host_stx->stx_ctime.tv_sec, &target_stx->stx_ctime.tv_sec); | |
7460 | __put_user(host_stx->stx_ctime.tv_nsec, &target_stx->stx_ctime.tv_nsec); | |
7461 | __put_user(host_stx->stx_mtime.tv_sec, &target_stx->stx_mtime.tv_sec); | |
7462 | __put_user(host_stx->stx_mtime.tv_nsec, &target_stx->stx_mtime.tv_nsec); | |
efa92184 AR |
7463 | __put_user(host_stx->stx_rdev_major, &target_stx->stx_rdev_major); |
7464 | __put_user(host_stx->stx_rdev_minor, &target_stx->stx_rdev_minor); | |
7465 | __put_user(host_stx->stx_dev_major, &target_stx->stx_dev_major); | |
7466 | __put_user(host_stx->stx_dev_minor, &target_stx->stx_dev_minor); | |
7467 | ||
7468 | unlock_user_struct(target_stx, target_addr, 1); | |
7469 | ||
7470 | return 0; | |
7471 | } | |
7472 | #endif | |
7473 | ||
14690296 AF |
7474 | static int do_sys_futex(int *uaddr, int op, int val, |
7475 | const struct timespec *timeout, int *uaddr2, | |
7476 | int val3) | |
7477 | { | |
7478 | #if HOST_LONG_BITS == 64 | |
7479 | #if defined(__NR_futex) | |
7480 | /* always a 64-bit time_t, it doesn't define _time64 version */ | |
7481 | return sys_futex(uaddr, op, val, timeout, uaddr2, val3); | |
7482 | ||
7483 | #endif | |
7484 | #else /* HOST_LONG_BITS == 64 */ | |
7485 | #if defined(__NR_futex_time64) | |
7486 | if (sizeof(timeout->tv_sec) == 8) { | |
7487 | /* _time64 function on 32bit arch */ | |
7488 | return sys_futex_time64(uaddr, op, val, timeout, uaddr2, val3); | |
7489 | } | |
7490 | #endif | |
7491 | #if defined(__NR_futex) | |
7492 | /* old function on 32bit arch */ | |
7493 | return sys_futex(uaddr, op, val, timeout, uaddr2, val3); | |
7494 | #endif | |
7495 | #endif /* HOST_LONG_BITS == 64 */ | |
7496 | g_assert_not_reached(); | |
7497 | } | |
7498 | ||
7499 | static int do_safe_futex(int *uaddr, int op, int val, | |
7500 | const struct timespec *timeout, int *uaddr2, | |
7501 | int val3) | |
7502 | { | |
7503 | #if HOST_LONG_BITS == 64 | |
7504 | #if defined(__NR_futex) | |
7505 | /* always a 64-bit time_t, it doesn't define _time64 version */ | |
7506 | return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3)); | |
7507 | #endif | |
7508 | #else /* HOST_LONG_BITS == 64 */ | |
7509 | #if defined(__NR_futex_time64) | |
7510 | if (sizeof(timeout->tv_sec) == 8) { | |
7511 | /* _time64 function on 32bit arch */ | |
7512 | return get_errno(safe_futex_time64(uaddr, op, val, timeout, uaddr2, | |
7513 | val3)); | |
7514 | } | |
7515 | #endif | |
7516 | #if defined(__NR_futex) | |
7517 | /* old function on 32bit arch */ | |
7518 | return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3)); | |
7519 | #endif | |
7520 | #endif /* HOST_LONG_BITS == 64 */ | |
7521 | return -TARGET_ENOSYS; | |
7522 | } | |
efa92184 | 7523 | |
bd0c5661 PB |
7524 | /* ??? Using host futex calls even when target atomic operations |
7525 | are not really atomic probably breaks things. However implementing | |
7526 | futexes locally would make futexes shared between multiple processes | |
7527 | tricky. However they're probably useless because guest atomic | |
7528 | operations won't work either. */ | |
859e8a89 | 7529 | #if defined(TARGET_NR_futex) |
8fcd3692 BS |
7530 | static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
7531 | target_ulong uaddr2, int val3) | |
bd0c5661 PB |
7532 | { |
7533 | struct timespec ts, *pts; | |
a16aae0c | 7534 | int base_op; |
bd0c5661 PB |
7535 | |
7536 | /* ??? We assume FUTEX_* constants are the same on both host | |
7537 | and target. */ | |
a29ccd63 | 7538 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 7539 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 7540 | #else |
a16aae0c | 7541 | base_op = op; |
a29ccd63 | 7542 | #endif |
a16aae0c | 7543 | switch (base_op) { |
bd0c5661 | 7544 | case FUTEX_WAIT: |
cce246e0 | 7545 | case FUTEX_WAIT_BITSET: |
bd0c5661 PB |
7546 | if (timeout) { |
7547 | pts = &ts; | |
7548 | target_to_host_timespec(pts, timeout); | |
7549 | } else { | |
7550 | pts = NULL; | |
7551 | } | |
14690296 | 7552 | return do_safe_futex(g2h(uaddr), op, tswap32(val), pts, NULL, val3); |
bd0c5661 | 7553 | case FUTEX_WAKE: |
14690296 | 7554 | return do_safe_futex(g2h(uaddr), op, val, NULL, NULL, 0); |
bd0c5661 | 7555 | case FUTEX_FD: |
14690296 | 7556 | return do_safe_futex(g2h(uaddr), op, val, NULL, NULL, 0); |
bd0c5661 | 7557 | case FUTEX_REQUEUE: |
bd0c5661 | 7558 | case FUTEX_CMP_REQUEUE: |
a16aae0c NF |
7559 | case FUTEX_WAKE_OP: |
7560 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
7561 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
7562 | But the prototype takes a `struct timespec *'; insert casts | |
7563 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
7564 | since it's not compared to guest memory. */ | |
7565 | pts = (struct timespec *)(uintptr_t) timeout; | |
14690296 AF |
7566 | return do_safe_futex(g2h(uaddr), op, val, pts, g2h(uaddr2), |
7567 | (base_op == FUTEX_CMP_REQUEUE | |
7568 | ? tswap32(val3) | |
7569 | : val3)); | |
bd0c5661 PB |
7570 | default: |
7571 | return -TARGET_ENOSYS; | |
7572 | } | |
7573 | } | |
859e8a89 | 7574 | #endif |
14690296 AF |
7575 | |
7576 | #if defined(TARGET_NR_futex_time64) | |
7577 | static int do_futex_time64(target_ulong uaddr, int op, int val, target_ulong timeout, | |
7578 | target_ulong uaddr2, int val3) | |
7579 | { | |
7580 | struct timespec ts, *pts; | |
7581 | int base_op; | |
7582 | ||
7583 | /* ??? We assume FUTEX_* constants are the same on both host | |
7584 | and target. */ | |
7585 | #ifdef FUTEX_CMD_MASK | |
7586 | base_op = op & FUTEX_CMD_MASK; | |
7587 | #else | |
7588 | base_op = op; | |
7589 | #endif | |
7590 | switch (base_op) { | |
7591 | case FUTEX_WAIT: | |
7592 | case FUTEX_WAIT_BITSET: | |
7593 | if (timeout) { | |
7594 | pts = &ts; | |
7595 | target_to_host_timespec64(pts, timeout); | |
7596 | } else { | |
7597 | pts = NULL; | |
7598 | } | |
7599 | return do_safe_futex(g2h(uaddr), op, tswap32(val), pts, NULL, val3); | |
7600 | case FUTEX_WAKE: | |
7601 | return do_safe_futex(g2h(uaddr), op, val, NULL, NULL, 0); | |
7602 | case FUTEX_FD: | |
7603 | return do_safe_futex(g2h(uaddr), op, val, NULL, NULL, 0); | |
7604 | case FUTEX_REQUEUE: | |
7605 | case FUTEX_CMP_REQUEUE: | |
7606 | case FUTEX_WAKE_OP: | |
7607 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
7608 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
7609 | But the prototype takes a `struct timespec *'; insert casts | |
7610 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
7611 | since it's not compared to guest memory. */ | |
7612 | pts = (struct timespec *)(uintptr_t) timeout; | |
7613 | return do_safe_futex(g2h(uaddr), op, val, pts, g2h(uaddr2), | |
7614 | (base_op == FUTEX_CMP_REQUEUE | |
7615 | ? tswap32(val3) | |
7616 | : val3)); | |
7617 | default: | |
7618 | return -TARGET_ENOSYS; | |
7619 | } | |
7620 | } | |
7621 | #endif | |
7622 | ||
0f0426f3 LV |
7623 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
7624 | static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname, | |
7625 | abi_long handle, abi_long mount_id, | |
7626 | abi_long flags) | |
7627 | { | |
7628 | struct file_handle *target_fh; | |
7629 | struct file_handle *fh; | |
7630 | int mid = 0; | |
7631 | abi_long ret; | |
7632 | char *name; | |
7633 | unsigned int size, total_size; | |
7634 | ||
7635 | if (get_user_s32(size, handle)) { | |
7636 | return -TARGET_EFAULT; | |
7637 | } | |
7638 | ||
7639 | name = lock_user_string(pathname); | |
7640 | if (!name) { | |
7641 | return -TARGET_EFAULT; | |
7642 | } | |
7643 | ||
7644 | total_size = sizeof(struct file_handle) + size; | |
7645 | target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0); | |
7646 | if (!target_fh) { | |
7647 | unlock_user(name, pathname, 0); | |
7648 | return -TARGET_EFAULT; | |
7649 | } | |
7650 | ||
7651 | fh = g_malloc0(total_size); | |
7652 | fh->handle_bytes = size; | |
7653 | ||
7654 | ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags)); | |
7655 | unlock_user(name, pathname, 0); | |
7656 | ||
7657 | /* man name_to_handle_at(2): | |
7658 | * Other than the use of the handle_bytes field, the caller should treat | |
7659 | * the file_handle structure as an opaque data type | |
7660 | */ | |
7661 | ||
7662 | memcpy(target_fh, fh, total_size); | |
7663 | target_fh->handle_bytes = tswap32(fh->handle_bytes); | |
7664 | target_fh->handle_type = tswap32(fh->handle_type); | |
7665 | g_free(fh); | |
7666 | unlock_user(target_fh, handle, total_size); | |
7667 | ||
7668 | if (put_user_s32(mid, mount_id)) { | |
7669 | return -TARGET_EFAULT; | |
7670 | } | |
7671 | ||
7672 | return ret; | |
7673 | ||
7674 | } | |
7675 | #endif | |
7676 | ||
7677 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
7678 | static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle, | |
7679 | abi_long flags) | |
7680 | { | |
7681 | struct file_handle *target_fh; | |
7682 | struct file_handle *fh; | |
7683 | unsigned int size, total_size; | |
7684 | abi_long ret; | |
7685 | ||
7686 | if (get_user_s32(size, handle)) { | |
7687 | return -TARGET_EFAULT; | |
7688 | } | |
7689 | ||
7690 | total_size = sizeof(struct file_handle) + size; | |
7691 | target_fh = lock_user(VERIFY_READ, handle, total_size, 1); | |
7692 | if (!target_fh) { | |
7693 | return -TARGET_EFAULT; | |
7694 | } | |
7695 | ||
e9d49d51 | 7696 | fh = g_memdup(target_fh, total_size); |
0f0426f3 LV |
7697 | fh->handle_bytes = size; |
7698 | fh->handle_type = tswap32(target_fh->handle_type); | |
7699 | ||
7700 | ret = get_errno(open_by_handle_at(mount_fd, fh, | |
7701 | target_to_host_bitmask(flags, fcntl_flags_tbl))); | |
7702 | ||
7703 | g_free(fh); | |
7704 | ||
7705 | unlock_user(target_fh, handle, total_size); | |
7706 | ||
7707 | return ret; | |
7708 | } | |
7709 | #endif | |
bd0c5661 | 7710 | |
e36800c9 LV |
7711 | #if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4) |
7712 | ||
e36800c9 LV |
7713 | static abi_long do_signalfd4(int fd, abi_long mask, int flags) |
7714 | { | |
7715 | int host_flags; | |
7716 | target_sigset_t *target_mask; | |
7717 | sigset_t host_mask; | |
7718 | abi_long ret; | |
7719 | ||
7720 | if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) { | |
7721 | return -TARGET_EINVAL; | |
7722 | } | |
7723 | if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) { | |
7724 | return -TARGET_EFAULT; | |
7725 | } | |
7726 | ||
7727 | target_to_host_sigset(&host_mask, target_mask); | |
7728 | ||
7729 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
7730 | ||
7731 | ret = get_errno(signalfd(fd, &host_mask, host_flags)); | |
7732 | if (ret >= 0) { | |
7733 | fd_trans_register(ret, &target_signalfd_trans); | |
7734 | } | |
7735 | ||
7736 | unlock_user_struct(target_mask, mask, 0); | |
7737 | ||
7738 | return ret; | |
7739 | } | |
7740 | #endif | |
7741 | ||
1d9d8b55 PB |
7742 | /* Map host to target signal numbers for the wait family of syscalls. |
7743 | Assume all other status bits are the same. */ | |
a05c6409 | 7744 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
7745 | { |
7746 | if (WIFSIGNALED(status)) { | |
7747 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
7748 | } | |
7749 | if (WIFSTOPPED(status)) { | |
7750 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
7751 | | (status & 0xff); | |
7752 | } | |
7753 | return status; | |
7754 | } | |
7755 | ||
76b94245 WVS |
7756 | static int open_self_cmdline(void *cpu_env, int fd) |
7757 | { | |
29a0af61 | 7758 | CPUState *cpu = env_cpu((CPUArchState *)cpu_env); |
58de8b96 AS |
7759 | struct linux_binprm *bprm = ((TaskState *)cpu->opaque)->bprm; |
7760 | int i; | |
76b94245 | 7761 | |
58de8b96 AS |
7762 | for (i = 0; i < bprm->argc; i++) { |
7763 | size_t len = strlen(bprm->argv[i]) + 1; | |
76b94245 | 7764 | |
58de8b96 | 7765 | if (write(fd, bprm->argv[i], len) != len) { |
76b94245 | 7766 | return -1; |
76b94245 WVS |
7767 | } |
7768 | } | |
7769 | ||
58de8b96 | 7770 | return 0; |
76b94245 WVS |
7771 | } |
7772 | ||
36c08d49 AG |
7773 | static int open_self_maps(void *cpu_env, int fd) |
7774 | { | |
29a0af61 | 7775 | CPUState *cpu = env_cpu((CPUArchState *)cpu_env); |
0429a971 | 7776 | TaskState *ts = cpu->opaque; |
01ef6b9e AB |
7777 | GSList *map_info = read_self_maps(); |
7778 | GSList *s; | |
bb55173c | 7779 | int count; |
1a49ef2a | 7780 | |
01ef6b9e AB |
7781 | for (s = map_info; s; s = g_slist_next(s)) { |
7782 | MapInfo *e = (MapInfo *) s->data; | |
1a49ef2a | 7783 | |
01ef6b9e AB |
7784 | if (h2g_valid(e->start)) { |
7785 | unsigned long min = e->start; | |
7786 | unsigned long max = e->end; | |
d67f4aaa | 7787 | int flags = page_get_flags(h2g(min)); |
01ef6b9e AB |
7788 | const char *path; |
7789 | ||
7790 | max = h2g_valid(max - 1) ? | |
7791 | max : (uintptr_t) g2h(GUEST_ADDR_MAX) + 1; | |
7792 | ||
d67f4aaa MI |
7793 | if (page_check_range(h2g(min), max - min, flags) == -1) { |
7794 | continue; | |
7795 | } | |
01ef6b9e | 7796 | |
d67f4aaa | 7797 | if (h2g(min) == ts->info->stack_limit) { |
bb55173c | 7798 | path = "[stack]"; |
01ef6b9e AB |
7799 | } else { |
7800 | path = e->path; | |
d67f4aaa | 7801 | } |
01ef6b9e | 7802 | |
bb55173c AB |
7803 | count = dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr |
7804 | " %c%c%c%c %08" PRIx64 " %s %"PRId64, | |
7805 | h2g(min), h2g(max - 1) + 1, | |
7806 | e->is_read ? 'r' : '-', | |
7807 | e->is_write ? 'w' : '-', | |
7808 | e->is_exec ? 'x' : '-', | |
7809 | e->is_priv ? 'p' : '-', | |
7810 | (uint64_t) e->offset, e->dev, e->inode); | |
7811 | if (path) { | |
7812 | dprintf(fd, "%*s%s\n", 73 - count, "", path); | |
7813 | } else { | |
7814 | dprintf(fd, "\n"); | |
7815 | } | |
1a49ef2a AG |
7816 | } |
7817 | } | |
7818 | ||
01ef6b9e AB |
7819 | free_self_maps(map_info); |
7820 | ||
bf02adcd RH |
7821 | #ifdef TARGET_VSYSCALL_PAGE |
7822 | /* | |
7823 | * We only support execution from the vsyscall page. | |
7824 | * This is as if CONFIG_LEGACY_VSYSCALL_XONLY=y from v5.3. | |
7825 | */ | |
bb55173c AB |
7826 | count = dprintf(fd, TARGET_FMT_lx "-" TARGET_FMT_lx |
7827 | " --xp 00000000 00:00 0", | |
7828 | TARGET_VSYSCALL_PAGE, TARGET_VSYSCALL_PAGE + TARGET_PAGE_SIZE); | |
7829 | dprintf(fd, "%*s%s\n", 73 - count, "", "[vsyscall]"); | |
bf02adcd RH |
7830 | #endif |
7831 | ||
36c08d49 AG |
7832 | return 0; |
7833 | } | |
7834 | ||
480b8e7d AG |
7835 | static int open_self_stat(void *cpu_env, int fd) |
7836 | { | |
29a0af61 | 7837 | CPUState *cpu = env_cpu((CPUArchState *)cpu_env); |
0429a971 | 7838 | TaskState *ts = cpu->opaque; |
7ad4d5a4 | 7839 | g_autoptr(GString) buf = g_string_new(NULL); |
480b8e7d AG |
7840 | int i; |
7841 | ||
7842 | for (i = 0; i < 44; i++) { | |
7ad4d5a4 AB |
7843 | if (i == 0) { |
7844 | /* pid */ | |
7845 | g_string_printf(buf, FMT_pid " ", getpid()); | |
7846 | } else if (i == 1) { | |
7847 | /* app name */ | |
7848 | gchar *bin = g_strrstr(ts->bprm->argv[0], "/"); | |
7849 | bin = bin ? bin + 1 : ts->bprm->argv[0]; | |
7850 | g_string_printf(buf, "(%.15s) ", bin); | |
7851 | } else if (i == 27) { | |
7852 | /* stack bottom */ | |
7853 | g_string_printf(buf, TARGET_ABI_FMT_ld " ", ts->info->start_stack); | |
7854 | } else { | |
7855 | /* for the rest, there is MasterCard */ | |
7856 | g_string_printf(buf, "0%c", i == 43 ? '\n' : ' '); | |
7857 | } | |
7858 | ||
7859 | if (write(fd, buf->str, buf->len) != buf->len) { | |
7860 | return -1; | |
7861 | } | |
480b8e7d AG |
7862 | } |
7863 | ||
7864 | return 0; | |
7865 | } | |
7866 | ||
257450ee AG |
7867 | static int open_self_auxv(void *cpu_env, int fd) |
7868 | { | |
29a0af61 | 7869 | CPUState *cpu = env_cpu((CPUArchState *)cpu_env); |
0429a971 | 7870 | TaskState *ts = cpu->opaque; |
257450ee AG |
7871 | abi_ulong auxv = ts->info->saved_auxv; |
7872 | abi_ulong len = ts->info->auxv_len; | |
7873 | char *ptr; | |
7874 | ||
7875 | /* | |
7876 | * Auxiliary vector is stored in target process stack. | |
7877 | * read in whole auxv vector and copy it to file | |
7878 | */ | |
7879 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
7880 | if (ptr != NULL) { | |
7881 | while (len > 0) { | |
7882 | ssize_t r; | |
7883 | r = write(fd, ptr, len); | |
7884 | if (r <= 0) { | |
7885 | break; | |
7886 | } | |
7887 | len -= r; | |
7888 | ptr += r; | |
7889 | } | |
7890 | lseek(fd, 0, SEEK_SET); | |
7891 | unlock_user(ptr, auxv, len); | |
7892 | } | |
7893 | ||
7894 | return 0; | |
7895 | } | |
7896 | ||
463d8e73 AS |
7897 | static int is_proc_myself(const char *filename, const char *entry) |
7898 | { | |
7899 | if (!strncmp(filename, "/proc/", strlen("/proc/"))) { | |
7900 | filename += strlen("/proc/"); | |
7901 | if (!strncmp(filename, "self/", strlen("self/"))) { | |
7902 | filename += strlen("self/"); | |
7903 | } else if (*filename >= '1' && *filename <= '9') { | |
7904 | char myself[80]; | |
7905 | snprintf(myself, sizeof(myself), "%d/", getpid()); | |
7906 | if (!strncmp(filename, myself, strlen(myself))) { | |
7907 | filename += strlen(myself); | |
7908 | } else { | |
7909 | return 0; | |
7910 | } | |
7911 | } else { | |
7912 | return 0; | |
7913 | } | |
7914 | if (!strcmp(filename, entry)) { | |
7915 | return 1; | |
7916 | } | |
7917 | } | |
7918 | return 0; | |
7919 | } | |
7920 | ||
fff69382 | 7921 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) || \ |
93a5661d | 7922 | defined(TARGET_SPARC) || defined(TARGET_M68K) || defined(TARGET_HPPA) |
de6b9933 LV |
7923 | static int is_proc(const char *filename, const char *entry) |
7924 | { | |
7925 | return strcmp(filename, entry) == 0; | |
7926 | } | |
fff69382 | 7927 | #endif |
de6b9933 | 7928 | |
fff69382 | 7929 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
de6b9933 LV |
7930 | static int open_net_route(void *cpu_env, int fd) |
7931 | { | |
7932 | FILE *fp; | |
7933 | char *line = NULL; | |
7934 | size_t len = 0; | |
7935 | ssize_t read; | |
7936 | ||
7937 | fp = fopen("/proc/net/route", "r"); | |
7938 | if (fp == NULL) { | |
a3ca7bb2 | 7939 | return -1; |
de6b9933 LV |
7940 | } |
7941 | ||
7942 | /* read header */ | |
7943 | ||
7944 | read = getline(&line, &len, fp); | |
7945 | dprintf(fd, "%s", line); | |
7946 | ||
7947 | /* read routes */ | |
7948 | ||
7949 | while ((read = getline(&line, &len, fp)) != -1) { | |
7950 | char iface[16]; | |
7951 | uint32_t dest, gw, mask; | |
7952 | unsigned int flags, refcnt, use, metric, mtu, window, irtt; | |
9d0bd0cd PM |
7953 | int fields; |
7954 | ||
7955 | fields = sscanf(line, | |
7956 | "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
7957 | iface, &dest, &gw, &flags, &refcnt, &use, &metric, | |
7958 | &mask, &mtu, &window, &irtt); | |
7959 | if (fields != 11) { | |
7960 | continue; | |
7961 | } | |
de6b9933 LV |
7962 | dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", |
7963 | iface, tswap32(dest), tswap32(gw), flags, refcnt, use, | |
7964 | metric, tswap32(mask), mtu, window, irtt); | |
7965 | } | |
7966 | ||
7967 | free(line); | |
7968 | fclose(fp); | |
7969 | ||
7970 | return 0; | |
7971 | } | |
7972 | #endif | |
7973 | ||
fff69382 LV |
7974 | #if defined(TARGET_SPARC) |
7975 | static int open_cpuinfo(void *cpu_env, int fd) | |
7976 | { | |
7977 | dprintf(fd, "type\t\t: sun4u\n"); | |
7978 | return 0; | |
7979 | } | |
7980 | #endif | |
7981 | ||
93a5661d HD |
7982 | #if defined(TARGET_HPPA) |
7983 | static int open_cpuinfo(void *cpu_env, int fd) | |
7984 | { | |
7985 | dprintf(fd, "cpu family\t: PA-RISC 1.1e\n"); | |
7986 | dprintf(fd, "cpu\t\t: PA7300LC (PCX-L2)\n"); | |
7987 | dprintf(fd, "capabilities\t: os32\n"); | |
7988 | dprintf(fd, "model\t\t: 9000/778/B160L\n"); | |
7989 | dprintf(fd, "model name\t: Merlin L2 160 QEMU (9000/778/B160L)\n"); | |
7990 | return 0; | |
7991 | } | |
7992 | #endif | |
7993 | ||
4ab6713e LV |
7994 | #if defined(TARGET_M68K) |
7995 | static int open_hardware(void *cpu_env, int fd) | |
7996 | { | |
7997 | dprintf(fd, "Model:\t\tqemu-m68k\n"); | |
7998 | return 0; | |
7999 | } | |
8000 | #endif | |
8001 | ||
0b2effd7 | 8002 | static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode) |
3be14d05 AG |
8003 | { |
8004 | struct fake_open { | |
8005 | const char *filename; | |
8006 | int (*fill)(void *cpu_env, int fd); | |
de6b9933 | 8007 | int (*cmp)(const char *s1, const char *s2); |
3be14d05 AG |
8008 | }; |
8009 | const struct fake_open *fake_open; | |
8010 | static const struct fake_open fakes[] = { | |
de6b9933 LV |
8011 | { "maps", open_self_maps, is_proc_myself }, |
8012 | { "stat", open_self_stat, is_proc_myself }, | |
8013 | { "auxv", open_self_auxv, is_proc_myself }, | |
76b94245 | 8014 | { "cmdline", open_self_cmdline, is_proc_myself }, |
de6b9933 LV |
8015 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
8016 | { "/proc/net/route", open_net_route, is_proc }, | |
fff69382 | 8017 | #endif |
93a5661d | 8018 | #if defined(TARGET_SPARC) || defined(TARGET_HPPA) |
fff69382 | 8019 | { "/proc/cpuinfo", open_cpuinfo, is_proc }, |
4ab6713e LV |
8020 | #endif |
8021 | #if defined(TARGET_M68K) | |
8022 | { "/proc/hardware", open_hardware, is_proc }, | |
de6b9933 LV |
8023 | #endif |
8024 | { NULL, NULL, NULL } | |
3be14d05 AG |
8025 | }; |
8026 | ||
aa07f5ec MO |
8027 | if (is_proc_myself(pathname, "exe")) { |
8028 | int execfd = qemu_getauxval(AT_EXECFD); | |
c10a0738 | 8029 | return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode); |
aa07f5ec MO |
8030 | } |
8031 | ||
3be14d05 | 8032 | for (fake_open = fakes; fake_open->filename; fake_open++) { |
de6b9933 | 8033 | if (fake_open->cmp(pathname, fake_open->filename)) { |
3be14d05 AG |
8034 | break; |
8035 | } | |
8036 | } | |
8037 | ||
8038 | if (fake_open->filename) { | |
8039 | const char *tmpdir; | |
8040 | char filename[PATH_MAX]; | |
8041 | int fd, r; | |
8042 | ||
8043 | /* create temporary file to map stat to */ | |
8044 | tmpdir = getenv("TMPDIR"); | |
8045 | if (!tmpdir) | |
8046 | tmpdir = "/tmp"; | |
8047 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
8048 | fd = mkstemp(filename); | |
8049 | if (fd < 0) { | |
8050 | return fd; | |
8051 | } | |
8052 | unlink(filename); | |
8053 | ||
8054 | if ((r = fake_open->fill(cpu_env, fd))) { | |
a3ca7bb2 | 8055 | int e = errno; |
3be14d05 | 8056 | close(fd); |
a3ca7bb2 | 8057 | errno = e; |
3be14d05 AG |
8058 | return r; |
8059 | } | |
8060 | lseek(fd, 0, SEEK_SET); | |
8061 | ||
8062 | return fd; | |
8063 | } | |
8064 | ||
c10a0738 | 8065 | return safe_openat(dirfd, path(pathname), flags, mode); |
3be14d05 AG |
8066 | } |
8067 | ||
aecc8861 AG |
8068 | #define TIMER_MAGIC 0x0caf0000 |
8069 | #define TIMER_MAGIC_MASK 0xffff0000 | |
8070 | ||
8071 | /* Convert QEMU provided timer ID back to internal 16bit index format */ | |
8072 | static target_timer_t get_timer_id(abi_long arg) | |
8073 | { | |
8074 | target_timer_t timerid = arg; | |
8075 | ||
8076 | if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) { | |
8077 | return -TARGET_EINVAL; | |
8078 | } | |
8079 | ||
8080 | timerid &= 0xffff; | |
8081 | ||
8082 | if (timerid >= ARRAY_SIZE(g_posix_timers)) { | |
8083 | return -TARGET_EINVAL; | |
8084 | } | |
8085 | ||
8086 | return timerid; | |
8087 | } | |
8088 | ||
2e0a8713 ST |
8089 | static int target_to_host_cpu_mask(unsigned long *host_mask, |
8090 | size_t host_size, | |
8091 | abi_ulong target_addr, | |
8092 | size_t target_size) | |
8093 | { | |
8094 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
8095 | unsigned host_bits = sizeof(*host_mask) * 8; | |
8096 | abi_ulong *target_mask; | |
8097 | unsigned i, j; | |
8098 | ||
8099 | assert(host_size >= target_size); | |
8100 | ||
8101 | target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1); | |
8102 | if (!target_mask) { | |
8103 | return -TARGET_EFAULT; | |
8104 | } | |
8105 | memset(host_mask, 0, host_size); | |
8106 | ||
8107 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
8108 | unsigned bit = i * target_bits; | |
8109 | abi_ulong val; | |
8110 | ||
8111 | __get_user(val, &target_mask[i]); | |
8112 | for (j = 0; j < target_bits; j++, bit++) { | |
8113 | if (val & (1UL << j)) { | |
8114 | host_mask[bit / host_bits] |= 1UL << (bit % host_bits); | |
8115 | } | |
8116 | } | |
8117 | } | |
8118 | ||
8119 | unlock_user(target_mask, target_addr, 0); | |
8120 | return 0; | |
8121 | } | |
8122 | ||
8123 | static int host_to_target_cpu_mask(const unsigned long *host_mask, | |
8124 | size_t host_size, | |
8125 | abi_ulong target_addr, | |
8126 | size_t target_size) | |
8127 | { | |
8128 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
8129 | unsigned host_bits = sizeof(*host_mask) * 8; | |
8130 | abi_ulong *target_mask; | |
8131 | unsigned i, j; | |
8132 | ||
8133 | assert(host_size >= target_size); | |
8134 | ||
8135 | target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0); | |
8136 | if (!target_mask) { | |
8137 | return -TARGET_EFAULT; | |
8138 | } | |
8139 | ||
8140 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
8141 | unsigned bit = i * target_bits; | |
8142 | abi_ulong val = 0; | |
8143 | ||
8144 | for (j = 0; j < target_bits; j++, bit++) { | |
8145 | if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) { | |
8146 | val |= 1UL << j; | |
8147 | } | |
8148 | } | |
8149 | __put_user(val, &target_mask[i]); | |
8150 | } | |
8151 | ||
8152 | unlock_user(target_mask, target_addr, target_size); | |
8153 | return 0; | |
8154 | } | |
8155 | ||
dc1ce18b RH |
8156 | /* This is an internal helper for do_syscall so that it is easier |
8157 | * to have a single return point, so that actions, such as logging | |
8158 | * of syscall results, can be performed. | |
8159 | * All errnos that do_syscall() returns must be -TARGET_<errcode>. | |
8160 | */ | |
8161 | static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, | |
8162 | abi_long arg2, abi_long arg3, abi_long arg4, | |
8163 | abi_long arg5, abi_long arg6, abi_long arg7, | |
8164 | abi_long arg8) | |
31e31b8a | 8165 | { |
29a0af61 | 8166 | CPUState *cpu = env_cpu(cpu_env); |
992f48a0 | 8167 | abi_long ret; |
4f7f8924 AR |
8168 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \ |
8169 | || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \ | |
efa92184 AR |
8170 | || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) \ |
8171 | || defined(TARGET_NR_statx) | |
31e31b8a | 8172 | struct stat st; |
4f7f8924 AR |
8173 | #endif |
8174 | #if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \ | |
8175 | || defined(TARGET_NR_fstatfs) | |
56c8f68f | 8176 | struct statfs stfs; |
4f7f8924 | 8177 | #endif |
53a5960a | 8178 | void *p; |
3b46e624 | 8179 | |
31e31b8a FB |
8180 | switch(num) { |
8181 | case TARGET_NR_exit: | |
9b056fcc | 8182 | /* In old applications this may be used to implement _exit(2). |
6f9ff551 | 8183 | However in threaded applications it is used for thread termination, |
9b056fcc AF |
8184 | and _exit_group is used for application termination. |
8185 | Do thread termination if we have more then one thread. */ | |
a0995886 TB |
8186 | |
8187 | if (block_signals()) { | |
72eb7ea8 | 8188 | return -TARGET_ERESTARTSYS; |
a0995886 TB |
8189 | } |
8190 | ||
1f81ce90 | 8191 | pthread_mutex_lock(&clone_lock); |
dd1f6349 | 8192 | |
bdc44640 | 8193 | if (CPU_NEXT(first_cpu)) { |
1f81ce90 | 8194 | TaskState *ts = cpu->opaque; |
9b056fcc | 8195 | |
5325cc34 | 8196 | object_property_set_bool(OBJECT(cpu), "realized", false, NULL); |
1f81ce90 AB |
8197 | object_unref(OBJECT(cpu)); |
8198 | /* | |
8199 | * At this point the CPU should be unrealized and removed | |
8200 | * from cpu lists. We can clean-up the rest of the thread | |
8201 | * data without the lock held. | |
8202 | */ | |
dd1f6349 | 8203 | |
1f81ce90 | 8204 | pthread_mutex_unlock(&clone_lock); |
dd1f6349 | 8205 | |
9b056fcc AF |
8206 | if (ts->child_tidptr) { |
8207 | put_user_u32(0, ts->child_tidptr); | |
14690296 | 8208 | do_sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, |
9b056fcc AF |
8209 | NULL, NULL, 0); |
8210 | } | |
a2247f8e | 8211 | thread_cpu = NULL; |
9b056fcc | 8212 | g_free(ts); |
70903763 | 8213 | rcu_unregister_thread(); |
9b056fcc AF |
8214 | pthread_exit(NULL); |
8215 | } | |
dd1f6349 | 8216 | |
1f81ce90 | 8217 | pthread_mutex_unlock(&clone_lock); |
708b6a64 | 8218 | preexit_cleanup(cpu_env, arg1); |
c2764719 | 8219 | _exit(arg1); |
72eb7ea8 | 8220 | return 0; /* avoid warning */ |
31e31b8a | 8221 | case TARGET_NR_read: |
ba584f1d AS |
8222 | if (arg2 == 0 && arg3 == 0) { |
8223 | return get_errno(safe_read(arg1, 0, 0)); | |
72eb7ea8 | 8224 | } else { |
38d840e6 | 8225 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
2852aafd | 8226 | return -TARGET_EFAULT; |
50afd02b | 8227 | ret = get_errno(safe_read(arg1, p, arg3)); |
e36800c9 | 8228 | if (ret >= 0 && |
5d4d3665 LV |
8229 | fd_trans_host_to_target_data(arg1)) { |
8230 | ret = fd_trans_host_to_target_data(arg1)(p, ret); | |
e36800c9 | 8231 | } |
38d840e6 AJ |
8232 | unlock_user(p, arg2, ret); |
8233 | } | |
72eb7ea8 | 8234 | return ret; |
31e31b8a | 8235 | case TARGET_NR_write: |
58cfa6c2 TGJ |
8236 | if (arg2 == 0 && arg3 == 0) { |
8237 | return get_errno(safe_write(arg1, 0, 0)); | |
8238 | } | |
579a97f7 | 8239 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
2852aafd | 8240 | return -TARGET_EFAULT; |
04b9bcf9 LV |
8241 | if (fd_trans_target_to_host_data(arg1)) { |
8242 | void *copy = g_malloc(arg3); | |
8243 | memcpy(copy, p, arg3); | |
8244 | ret = fd_trans_target_to_host_data(arg1)(copy, arg3); | |
8245 | if (ret >= 0) { | |
8246 | ret = get_errno(safe_write(arg1, copy, ret)); | |
8247 | } | |
8248 | g_free(copy); | |
8249 | } else { | |
8250 | ret = get_errno(safe_write(arg1, p, arg3)); | |
8251 | } | |
53a5960a | 8252 | unlock_user(p, arg2, 0); |
72eb7ea8 RH |
8253 | return ret; |
8254 | ||
704eff6c | 8255 | #ifdef TARGET_NR_open |
31e31b8a | 8256 | case TARGET_NR_open: |
2f619698 | 8257 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8258 | return -TARGET_EFAULT; |
0b2effd7 RV |
8259 | ret = get_errno(do_openat(cpu_env, AT_FDCWD, p, |
8260 | target_to_host_bitmask(arg2, fcntl_flags_tbl), | |
8261 | arg3)); | |
e36800c9 | 8262 | fd_trans_unregister(ret); |
53a5960a | 8263 | unlock_user(p, arg1, 0); |
72eb7ea8 | 8264 | return ret; |
704eff6c | 8265 | #endif |
82424832 | 8266 | case TARGET_NR_openat: |
579a97f7 | 8267 | if (!(p = lock_user_string(arg2))) |
2852aafd | 8268 | return -TARGET_EFAULT; |
0b2effd7 RV |
8269 | ret = get_errno(do_openat(cpu_env, arg1, p, |
8270 | target_to_host_bitmask(arg3, fcntl_flags_tbl), | |
8271 | arg4)); | |
e36800c9 | 8272 | fd_trans_unregister(ret); |
579a97f7 | 8273 | unlock_user(p, arg2, 0); |
72eb7ea8 | 8274 | return ret; |
0f0426f3 LV |
8275 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
8276 | case TARGET_NR_name_to_handle_at: | |
8277 | ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5); | |
72eb7ea8 | 8278 | return ret; |
0f0426f3 LV |
8279 | #endif |
8280 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
8281 | case TARGET_NR_open_by_handle_at: | |
8282 | ret = do_open_by_handle_at(arg1, arg2, arg3); | |
e36800c9 | 8283 | fd_trans_unregister(ret); |
72eb7ea8 | 8284 | return ret; |
0f0426f3 | 8285 | #endif |
31e31b8a | 8286 | case TARGET_NR_close: |
e36800c9 | 8287 | fd_trans_unregister(arg1); |
72eb7ea8 RH |
8288 | return get_errno(close(arg1)); |
8289 | ||
31e31b8a | 8290 | case TARGET_NR_brk: |
72eb7ea8 | 8291 | return do_brk(arg1); |
704eff6c | 8292 | #ifdef TARGET_NR_fork |
31e31b8a | 8293 | case TARGET_NR_fork: |
72eb7ea8 | 8294 | return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0)); |
704eff6c | 8295 | #endif |
e5febef5 | 8296 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
8297 | case TARGET_NR_waitpid: |
8298 | { | |
53a5960a | 8299 | int status; |
4af80a37 | 8300 | ret = get_errno(safe_wait4(arg1, &status, arg3, 0)); |
5379557b | 8301 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 8302 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2852aafd | 8303 | return -TARGET_EFAULT; |
31e31b8a | 8304 | } |
72eb7ea8 | 8305 | return ret; |
e5febef5 | 8306 | #endif |
f0cbb613 PB |
8307 | #ifdef TARGET_NR_waitid |
8308 | case TARGET_NR_waitid: | |
8309 | { | |
8310 | siginfo_t info; | |
8311 | info.si_pid = 0; | |
4af80a37 | 8312 | ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL)); |
f0cbb613 | 8313 | if (!is_error(ret) && arg3 && info.si_pid != 0) { |
c227f099 | 8314 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
2852aafd | 8315 | return -TARGET_EFAULT; |
f0cbb613 | 8316 | host_to_target_siginfo(p, &info); |
c227f099 | 8317 | unlock_user(p, arg3, sizeof(target_siginfo_t)); |
f0cbb613 PB |
8318 | } |
8319 | } | |
72eb7ea8 | 8320 | return ret; |
f0cbb613 | 8321 | #endif |
7a3148a9 | 8322 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 8323 | case TARGET_NR_creat: |
579a97f7 | 8324 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8325 | return -TARGET_EFAULT; |
53a5960a | 8326 | ret = get_errno(creat(p, arg2)); |
e36800c9 | 8327 | fd_trans_unregister(ret); |
53a5960a | 8328 | unlock_user(p, arg1, 0); |
72eb7ea8 | 8329 | return ret; |
7a3148a9 | 8330 | #endif |
704eff6c | 8331 | #ifdef TARGET_NR_link |
31e31b8a | 8332 | case TARGET_NR_link: |
53a5960a PB |
8333 | { |
8334 | void * p2; | |
8335 | p = lock_user_string(arg1); | |
8336 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
8337 | if (!p || !p2) |
8338 | ret = -TARGET_EFAULT; | |
8339 | else | |
8340 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
8341 | unlock_user(p2, arg2, 0); |
8342 | unlock_user(p, arg1, 0); | |
8343 | } | |
72eb7ea8 | 8344 | return ret; |
704eff6c | 8345 | #endif |
c0d472b1 | 8346 | #if defined(TARGET_NR_linkat) |
64f0ce4c | 8347 | case TARGET_NR_linkat: |
64f0ce4c TS |
8348 | { |
8349 | void * p2 = NULL; | |
579a97f7 | 8350 | if (!arg2 || !arg4) |
2852aafd | 8351 | return -TARGET_EFAULT; |
64f0ce4c TS |
8352 | p = lock_user_string(arg2); |
8353 | p2 = lock_user_string(arg4); | |
579a97f7 | 8354 | if (!p || !p2) |
0da46a6e | 8355 | ret = -TARGET_EFAULT; |
64f0ce4c | 8356 | else |
c0d472b1 | 8357 | ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
579a97f7 FB |
8358 | unlock_user(p, arg2, 0); |
8359 | unlock_user(p2, arg4, 0); | |
64f0ce4c | 8360 | } |
72eb7ea8 | 8361 | return ret; |
64f0ce4c | 8362 | #endif |
704eff6c | 8363 | #ifdef TARGET_NR_unlink |
31e31b8a | 8364 | case TARGET_NR_unlink: |
579a97f7 | 8365 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8366 | return -TARGET_EFAULT; |
53a5960a PB |
8367 | ret = get_errno(unlink(p)); |
8368 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8369 | return ret; |
704eff6c | 8370 | #endif |
c0d472b1 | 8371 | #if defined(TARGET_NR_unlinkat) |
8170f56b | 8372 | case TARGET_NR_unlinkat: |
579a97f7 | 8373 | if (!(p = lock_user_string(arg2))) |
2852aafd | 8374 | return -TARGET_EFAULT; |
c0d472b1 | 8375 | ret = get_errno(unlinkat(arg1, p, arg3)); |
579a97f7 | 8376 | unlock_user(p, arg2, 0); |
72eb7ea8 | 8377 | return ret; |
b7d35e65 | 8378 | #endif |
31e31b8a | 8379 | case TARGET_NR_execve: |
7854b056 FB |
8380 | { |
8381 | char **argp, **envp; | |
f7341ff4 | 8382 | int argc, envc; |
992f48a0 BS |
8383 | abi_ulong gp; |
8384 | abi_ulong guest_argp; | |
8385 | abi_ulong guest_envp; | |
8386 | abi_ulong addr; | |
7854b056 | 8387 | char **q; |
a6f79cc9 | 8388 | int total_size = 0; |
7854b056 | 8389 | |
f7341ff4 | 8390 | argc = 0; |
53a5960a | 8391 | guest_argp = arg2; |
da94d263 | 8392 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 8393 | if (get_user_ual(addr, gp)) |
2852aafd | 8394 | return -TARGET_EFAULT; |
03aa1976 | 8395 | if (!addr) |
2f619698 | 8396 | break; |
7854b056 | 8397 | argc++; |
2f619698 | 8398 | } |
f7341ff4 | 8399 | envc = 0; |
53a5960a | 8400 | guest_envp = arg3; |
da94d263 | 8401 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 8402 | if (get_user_ual(addr, gp)) |
2852aafd | 8403 | return -TARGET_EFAULT; |
03aa1976 | 8404 | if (!addr) |
2f619698 | 8405 | break; |
7854b056 | 8406 | envc++; |
2f619698 | 8407 | } |
7854b056 | 8408 | |
b936cb50 PP |
8409 | argp = g_new0(char *, argc + 1); |
8410 | envp = g_new0(char *, envc + 1); | |
7854b056 | 8411 | |
da94d263 | 8412 | for (gp = guest_argp, q = argp; gp; |
992f48a0 | 8413 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
8414 | if (get_user_ual(addr, gp)) |
8415 | goto execve_efault; | |
53a5960a PB |
8416 | if (!addr) |
8417 | break; | |
2f619698 FB |
8418 | if (!(*q = lock_user_string(addr))) |
8419 | goto execve_efault; | |
a6f79cc9 | 8420 | total_size += strlen(*q) + 1; |
53a5960a | 8421 | } |
f7341ff4 FB |
8422 | *q = NULL; |
8423 | ||
da94d263 | 8424 | for (gp = guest_envp, q = envp; gp; |
992f48a0 | 8425 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
8426 | if (get_user_ual(addr, gp)) |
8427 | goto execve_efault; | |
53a5960a PB |
8428 | if (!addr) |
8429 | break; | |
2f619698 FB |
8430 | if (!(*q = lock_user_string(addr))) |
8431 | goto execve_efault; | |
a6f79cc9 | 8432 | total_size += strlen(*q) + 1; |
53a5960a | 8433 | } |
f7341ff4 | 8434 | *q = NULL; |
7854b056 | 8435 | |
2f619698 FB |
8436 | if (!(p = lock_user_string(arg1))) |
8437 | goto execve_efault; | |
ffdcbe22 TB |
8438 | /* Although execve() is not an interruptible syscall it is |
8439 | * a special case where we must use the safe_syscall wrapper: | |
8440 | * if we allow a signal to happen before we make the host | |
8441 | * syscall then we will 'lose' it, because at the point of | |
8442 | * execve the process leaves QEMU's control. So we use the | |
8443 | * safe syscall wrapper to ensure that we either take the | |
8444 | * signal as a guest signal, or else it does not happen | |
8445 | * before the execve completes and makes it the other | |
8446 | * program's problem. | |
8447 | */ | |
8448 | ret = get_errno(safe_execve(p, argp, envp)); | |
53a5960a PB |
8449 | unlock_user(p, arg1, 0); |
8450 | ||
2f619698 FB |
8451 | goto execve_end; |
8452 | ||
8453 | execve_efault: | |
8454 | ret = -TARGET_EFAULT; | |
8455 | ||
8456 | execve_end: | |
53a5960a | 8457 | for (gp = guest_argp, q = argp; *q; |
992f48a0 | 8458 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
8459 | if (get_user_ual(addr, gp) |
8460 | || !addr) | |
8461 | break; | |
53a5960a PB |
8462 | unlock_user(*q, addr, 0); |
8463 | } | |
8464 | for (gp = guest_envp, q = envp; *q; | |
992f48a0 | 8465 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
8466 | if (get_user_ual(addr, gp) |
8467 | || !addr) | |
8468 | break; | |
53a5960a PB |
8469 | unlock_user(*q, addr, 0); |
8470 | } | |
b936cb50 PP |
8471 | |
8472 | g_free(argp); | |
8473 | g_free(envp); | |
7854b056 | 8474 | } |
72eb7ea8 | 8475 | return ret; |
31e31b8a | 8476 | case TARGET_NR_chdir: |
579a97f7 | 8477 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8478 | return -TARGET_EFAULT; |
53a5960a PB |
8479 | ret = get_errno(chdir(p)); |
8480 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8481 | return ret; |
a315a145 | 8482 | #ifdef TARGET_NR_time |
31e31b8a FB |
8483 | case TARGET_NR_time: |
8484 | { | |
53a5960a PB |
8485 | time_t host_time; |
8486 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
8487 | if (!is_error(ret) |
8488 | && arg1 | |
8489 | && put_user_sal(host_time, arg1)) | |
2852aafd | 8490 | return -TARGET_EFAULT; |
31e31b8a | 8491 | } |
72eb7ea8 | 8492 | return ret; |
a315a145 | 8493 | #endif |
704eff6c | 8494 | #ifdef TARGET_NR_mknod |
31e31b8a | 8495 | case TARGET_NR_mknod: |
579a97f7 | 8496 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8497 | return -TARGET_EFAULT; |
53a5960a PB |
8498 | ret = get_errno(mknod(p, arg2, arg3)); |
8499 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8500 | return ret; |
704eff6c | 8501 | #endif |
c0d472b1 | 8502 | #if defined(TARGET_NR_mknodat) |
75ac37a0 | 8503 | case TARGET_NR_mknodat: |
579a97f7 | 8504 | if (!(p = lock_user_string(arg2))) |
2852aafd | 8505 | return -TARGET_EFAULT; |
c0d472b1 | 8506 | ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
579a97f7 | 8507 | unlock_user(p, arg2, 0); |
72eb7ea8 | 8508 | return ret; |
75ac37a0 | 8509 | #endif |
704eff6c | 8510 | #ifdef TARGET_NR_chmod |
31e31b8a | 8511 | case TARGET_NR_chmod: |
579a97f7 | 8512 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8513 | return -TARGET_EFAULT; |
53a5960a PB |
8514 | ret = get_errno(chmod(p, arg2)); |
8515 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8516 | return ret; |
704eff6c | 8517 | #endif |
4f7f8924 | 8518 | #ifdef TARGET_NR_lseek |
31e31b8a | 8519 | case TARGET_NR_lseek: |
72eb7ea8 | 8520 | return get_errno(lseek(arg1, arg2, arg3)); |
4f7f8924 | 8521 | #endif |
9231733a RH |
8522 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
8523 | /* Alpha specific */ | |
7a3148a9 | 8524 | case TARGET_NR_getxpid: |
9231733a | 8525 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
72eb7ea8 | 8526 | return get_errno(getpid()); |
7a3148a9 | 8527 | #endif |
9231733a RH |
8528 | #ifdef TARGET_NR_getpid |
8529 | case TARGET_NR_getpid: | |
72eb7ea8 | 8530 | return get_errno(getpid()); |
9231733a | 8531 | #endif |
31e31b8a | 8532 | case TARGET_NR_mount: |
356d771b PB |
8533 | { |
8534 | /* need to look at the data field */ | |
8535 | void *p2, *p3; | |
8536 | ||
8537 | if (arg1) { | |
8538 | p = lock_user_string(arg1); | |
8539 | if (!p) { | |
2852aafd | 8540 | return -TARGET_EFAULT; |
356d771b PB |
8541 | } |
8542 | } else { | |
8543 | p = NULL; | |
8544 | } | |
8545 | ||
8546 | p2 = lock_user_string(arg2); | |
8547 | if (!p2) { | |
8548 | if (arg1) { | |
8549 | unlock_user(p, arg1, 0); | |
8550 | } | |
2852aafd | 8551 | return -TARGET_EFAULT; |
356d771b PB |
8552 | } |
8553 | ||
8554 | if (arg3) { | |
8555 | p3 = lock_user_string(arg3); | |
8556 | if (!p3) { | |
8557 | if (arg1) { | |
579a97f7 | 8558 | unlock_user(p, arg1, 0); |
356d771b PB |
8559 | } |
8560 | unlock_user(p2, arg2, 0); | |
2852aafd | 8561 | return -TARGET_EFAULT; |
356d771b PB |
8562 | } |
8563 | } else { | |
8564 | p3 = NULL; | |
8565 | } | |
8566 | ||
8567 | /* FIXME - arg5 should be locked, but it isn't clear how to | |
8568 | * do that since it's not guaranteed to be a NULL-terminated | |
8569 | * string. | |
8570 | */ | |
8571 | if (!arg5) { | |
8572 | ret = mount(p, p2, p3, (unsigned long)arg4, NULL); | |
8573 | } else { | |
8574 | ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)); | |
8575 | } | |
8576 | ret = get_errno(ret); | |
8577 | ||
8578 | if (arg1) { | |
8579 | unlock_user(p, arg1, 0); | |
8580 | } | |
8581 | unlock_user(p2, arg2, 0); | |
8582 | if (arg3) { | |
8583 | unlock_user(p3, arg3, 0); | |
8584 | } | |
8585 | } | |
72eb7ea8 | 8586 | return ret; |
6eb9dbf6 LV |
8587 | #if defined(TARGET_NR_umount) || defined(TARGET_NR_oldumount) |
8588 | #if defined(TARGET_NR_umount) | |
31e31b8a | 8589 | case TARGET_NR_umount: |
6eb9dbf6 LV |
8590 | #endif |
8591 | #if defined(TARGET_NR_oldumount) | |
8592 | case TARGET_NR_oldumount: | |
8593 | #endif | |
579a97f7 | 8594 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8595 | return -TARGET_EFAULT; |
53a5960a PB |
8596 | ret = get_errno(umount(p)); |
8597 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8598 | return ret; |
e5febef5 | 8599 | #endif |
7a3148a9 | 8600 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
8601 | case TARGET_NR_stime: |
8602 | { | |
0f1f2d45 LV |
8603 | struct timespec ts; |
8604 | ts.tv_nsec = 0; | |
8605 | if (get_user_sal(ts.tv_sec, arg1)) { | |
2852aafd | 8606 | return -TARGET_EFAULT; |
0f1f2d45 LV |
8607 | } |
8608 | return get_errno(clock_settime(CLOCK_REALTIME, &ts)); | |
31e31b8a | 8609 | } |
7a3148a9 | 8610 | #endif |
7a3148a9 | 8611 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a | 8612 | case TARGET_NR_alarm: |
72eb7ea8 | 8613 | return alarm(arg1); |
7a3148a9 | 8614 | #endif |
7a3148a9 | 8615 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a | 8616 | case TARGET_NR_pause: |
f59ec606 TB |
8617 | if (!block_signals()) { |
8618 | sigsuspend(&((TaskState *)cpu->opaque)->signal_mask); | |
8619 | } | |
72eb7ea8 | 8620 | return -TARGET_EINTR; |
7a3148a9 | 8621 | #endif |
e5febef5 | 8622 | #ifdef TARGET_NR_utime |
31e31b8a | 8623 | case TARGET_NR_utime: |
ebc05488 | 8624 | { |
53a5960a PB |
8625 | struct utimbuf tbuf, *host_tbuf; |
8626 | struct target_utimbuf *target_tbuf; | |
8627 | if (arg2) { | |
579a97f7 | 8628 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
2852aafd | 8629 | return -TARGET_EFAULT; |
cbb21eed MB |
8630 | tbuf.actime = tswapal(target_tbuf->actime); |
8631 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
8632 | unlock_user_struct(target_tbuf, arg2, 0); |
8633 | host_tbuf = &tbuf; | |
f72e8ff4 | 8634 | } else { |
53a5960a | 8635 | host_tbuf = NULL; |
f72e8ff4 | 8636 | } |
579a97f7 | 8637 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8638 | return -TARGET_EFAULT; |
53a5960a PB |
8639 | ret = get_errno(utime(p, host_tbuf)); |
8640 | unlock_user(p, arg1, 0); | |
ebc05488 | 8641 | } |
72eb7ea8 | 8642 | return ret; |
e5febef5 | 8643 | #endif |
704eff6c | 8644 | #ifdef TARGET_NR_utimes |
978a66ff FB |
8645 | case TARGET_NR_utimes: |
8646 | { | |
978a66ff | 8647 | struct timeval *tvp, tv[2]; |
53a5960a | 8648 | if (arg2) { |
788f5ec4 TS |
8649 | if (copy_from_user_timeval(&tv[0], arg2) |
8650 | || copy_from_user_timeval(&tv[1], | |
8651 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 8652 | return -TARGET_EFAULT; |
978a66ff FB |
8653 | tvp = tv; |
8654 | } else { | |
8655 | tvp = NULL; | |
8656 | } | |
579a97f7 | 8657 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8658 | return -TARGET_EFAULT; |
53a5960a PB |
8659 | ret = get_errno(utimes(p, tvp)); |
8660 | unlock_user(p, arg1, 0); | |
978a66ff | 8661 | } |
72eb7ea8 | 8662 | return ret; |
704eff6c | 8663 | #endif |
c0d472b1 | 8664 | #if defined(TARGET_NR_futimesat) |
ac8a6556 AZ |
8665 | case TARGET_NR_futimesat: |
8666 | { | |
8667 | struct timeval *tvp, tv[2]; | |
8668 | if (arg3) { | |
8669 | if (copy_from_user_timeval(&tv[0], arg3) | |
8670 | || copy_from_user_timeval(&tv[1], | |
8671 | arg3 + sizeof(struct target_timeval))) | |
2852aafd | 8672 | return -TARGET_EFAULT; |
ac8a6556 AZ |
8673 | tvp = tv; |
8674 | } else { | |
8675 | tvp = NULL; | |
8676 | } | |
2852aafd RH |
8677 | if (!(p = lock_user_string(arg2))) { |
8678 | return -TARGET_EFAULT; | |
8679 | } | |
c0d472b1 | 8680 | ret = get_errno(futimesat(arg1, path(p), tvp)); |
ac8a6556 AZ |
8681 | unlock_user(p, arg2, 0); |
8682 | } | |
72eb7ea8 | 8683 | return ret; |
ac8a6556 | 8684 | #endif |
704eff6c | 8685 | #ifdef TARGET_NR_access |
31e31b8a | 8686 | case TARGET_NR_access: |
2852aafd RH |
8687 | if (!(p = lock_user_string(arg1))) { |
8688 | return -TARGET_EFAULT; | |
8689 | } | |
719f908e | 8690 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 8691 | unlock_user(p, arg1, 0); |
72eb7ea8 | 8692 | return ret; |
704eff6c | 8693 | #endif |
92a34c10 TS |
8694 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
8695 | case TARGET_NR_faccessat: | |
2852aafd RH |
8696 | if (!(p = lock_user_string(arg2))) { |
8697 | return -TARGET_EFAULT; | |
8698 | } | |
c0d472b1 | 8699 | ret = get_errno(faccessat(arg1, p, arg3, 0)); |
579a97f7 | 8700 | unlock_user(p, arg2, 0); |
72eb7ea8 | 8701 | return ret; |
92a34c10 | 8702 | #endif |
7a3148a9 | 8703 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a | 8704 | case TARGET_NR_nice: |
72eb7ea8 | 8705 | return get_errno(nice(arg1)); |
ebc05488 | 8706 | #endif |
31e31b8a | 8707 | case TARGET_NR_sync: |
04369ff2 | 8708 | sync(); |
72eb7ea8 | 8709 | return 0; |
5a03cd00 AM |
8710 | #if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS) |
8711 | case TARGET_NR_syncfs: | |
72eb7ea8 | 8712 | return get_errno(syncfs(arg1)); |
5a03cd00 | 8713 | #endif |
31e31b8a | 8714 | case TARGET_NR_kill: |
72eb7ea8 | 8715 | return get_errno(safe_kill(arg1, target_to_host_signal(arg2))); |
704eff6c | 8716 | #ifdef TARGET_NR_rename |
31e31b8a | 8717 | case TARGET_NR_rename: |
53a5960a PB |
8718 | { |
8719 | void *p2; | |
8720 | p = lock_user_string(arg1); | |
8721 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
8722 | if (!p || !p2) |
8723 | ret = -TARGET_EFAULT; | |
8724 | else | |
8725 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
8726 | unlock_user(p2, arg2, 0); |
8727 | unlock_user(p, arg1, 0); | |
8728 | } | |
72eb7ea8 | 8729 | return ret; |
704eff6c | 8730 | #endif |
c0d472b1 | 8731 | #if defined(TARGET_NR_renameat) |
722183f6 | 8732 | case TARGET_NR_renameat: |
722183f6 | 8733 | { |
579a97f7 | 8734 | void *p2; |
722183f6 TS |
8735 | p = lock_user_string(arg2); |
8736 | p2 = lock_user_string(arg4); | |
579a97f7 | 8737 | if (!p || !p2) |
0da46a6e | 8738 | ret = -TARGET_EFAULT; |
722183f6 | 8739 | else |
c0d472b1 | 8740 | ret = get_errno(renameat(arg1, p, arg3, p2)); |
579a97f7 FB |
8741 | unlock_user(p2, arg4, 0); |
8742 | unlock_user(p, arg2, 0); | |
722183f6 | 8743 | } |
72eb7ea8 | 8744 | return ret; |
95d0307c AS |
8745 | #endif |
8746 | #if defined(TARGET_NR_renameat2) | |
8747 | case TARGET_NR_renameat2: | |
8748 | { | |
8749 | void *p2; | |
8750 | p = lock_user_string(arg2); | |
8751 | p2 = lock_user_string(arg4); | |
8752 | if (!p || !p2) { | |
8753 | ret = -TARGET_EFAULT; | |
8754 | } else { | |
8755 | ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5)); | |
8756 | } | |
8757 | unlock_user(p2, arg4, 0); | |
8758 | unlock_user(p, arg2, 0); | |
8759 | } | |
72eb7ea8 | 8760 | return ret; |
722183f6 | 8761 | #endif |
704eff6c | 8762 | #ifdef TARGET_NR_mkdir |
31e31b8a | 8763 | case TARGET_NR_mkdir: |
579a97f7 | 8764 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8765 | return -TARGET_EFAULT; |
53a5960a PB |
8766 | ret = get_errno(mkdir(p, arg2)); |
8767 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8768 | return ret; |
704eff6c | 8769 | #endif |
c0d472b1 | 8770 | #if defined(TARGET_NR_mkdirat) |
4472ad0d | 8771 | case TARGET_NR_mkdirat: |
579a97f7 | 8772 | if (!(p = lock_user_string(arg2))) |
2852aafd | 8773 | return -TARGET_EFAULT; |
c0d472b1 | 8774 | ret = get_errno(mkdirat(arg1, p, arg3)); |
579a97f7 | 8775 | unlock_user(p, arg2, 0); |
72eb7ea8 | 8776 | return ret; |
4472ad0d | 8777 | #endif |
704eff6c | 8778 | #ifdef TARGET_NR_rmdir |
31e31b8a | 8779 | case TARGET_NR_rmdir: |
579a97f7 | 8780 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8781 | return -TARGET_EFAULT; |
53a5960a PB |
8782 | ret = get_errno(rmdir(p)); |
8783 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8784 | return ret; |
704eff6c | 8785 | #endif |
31e31b8a FB |
8786 | case TARGET_NR_dup: |
8787 | ret = get_errno(dup(arg1)); | |
e36800c9 LV |
8788 | if (ret >= 0) { |
8789 | fd_trans_dup(arg1, ret); | |
8790 | } | |
72eb7ea8 | 8791 | return ret; |
704eff6c | 8792 | #ifdef TARGET_NR_pipe |
31e31b8a | 8793 | case TARGET_NR_pipe: |
72eb7ea8 | 8794 | return do_pipe(cpu_env, arg1, 0, 0); |
704eff6c | 8795 | #endif |
099d6b0f RV |
8796 | #ifdef TARGET_NR_pipe2 |
8797 | case TARGET_NR_pipe2: | |
72eb7ea8 RH |
8798 | return do_pipe(cpu_env, arg1, |
8799 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
099d6b0f | 8800 | #endif |
31e31b8a | 8801 | case TARGET_NR_times: |
32f36bce | 8802 | { |
53a5960a | 8803 | struct target_tms *tmsp; |
32f36bce FB |
8804 | struct tms tms; |
8805 | ret = get_errno(times(&tms)); | |
53a5960a | 8806 | if (arg1) { |
579a97f7 FB |
8807 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
8808 | if (!tmsp) | |
2852aafd | 8809 | return -TARGET_EFAULT; |
cbb21eed MB |
8810 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
8811 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
8812 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
8813 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 8814 | } |
c596ed17 FB |
8815 | if (!is_error(ret)) |
8816 | ret = host_to_target_clock_t(ret); | |
32f36bce | 8817 | } |
72eb7ea8 | 8818 | return ret; |
31e31b8a | 8819 | case TARGET_NR_acct: |
38d840e6 AJ |
8820 | if (arg1 == 0) { |
8821 | ret = get_errno(acct(NULL)); | |
8822 | } else { | |
2852aafd RH |
8823 | if (!(p = lock_user_string(arg1))) { |
8824 | return -TARGET_EFAULT; | |
8825 | } | |
38d840e6 AJ |
8826 | ret = get_errno(acct(path(p))); |
8827 | unlock_user(p, arg1, 0); | |
8828 | } | |
72eb7ea8 | 8829 | return ret; |
8070e7be | 8830 | #ifdef TARGET_NR_umount2 |
31e31b8a | 8831 | case TARGET_NR_umount2: |
579a97f7 | 8832 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8833 | return -TARGET_EFAULT; |
53a5960a PB |
8834 | ret = get_errno(umount2(p, arg2)); |
8835 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8836 | return ret; |
ebc05488 | 8837 | #endif |
31e31b8a | 8838 | case TARGET_NR_ioctl: |
72eb7ea8 | 8839 | return do_ioctl(arg1, arg2, arg3); |
47ae93cd | 8840 | #ifdef TARGET_NR_fcntl |
31e31b8a | 8841 | case TARGET_NR_fcntl: |
72eb7ea8 | 8842 | return do_fcntl(arg1, arg2, arg3); |
ebc05488 | 8843 | #endif |
31e31b8a | 8844 | case TARGET_NR_setpgid: |
72eb7ea8 | 8845 | return get_errno(setpgid(arg1, arg2)); |
31e31b8a | 8846 | case TARGET_NR_umask: |
72eb7ea8 | 8847 | return get_errno(umask(arg1)); |
31e31b8a | 8848 | case TARGET_NR_chroot: |
579a97f7 | 8849 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8850 | return -TARGET_EFAULT; |
53a5960a PB |
8851 | ret = get_errno(chroot(p)); |
8852 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8853 | return ret; |
704eff6c | 8854 | #ifdef TARGET_NR_dup2 |
31e31b8a FB |
8855 | case TARGET_NR_dup2: |
8856 | ret = get_errno(dup2(arg1, arg2)); | |
e36800c9 LV |
8857 | if (ret >= 0) { |
8858 | fd_trans_dup(arg1, arg2); | |
8859 | } | |
72eb7ea8 | 8860 | return ret; |
704eff6c | 8861 | #endif |
d0927938 UH |
8862 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
8863 | case TARGET_NR_dup3: | |
10fa993a PM |
8864 | { |
8865 | int host_flags; | |
8866 | ||
8867 | if ((arg3 & ~TARGET_O_CLOEXEC) != 0) { | |
8868 | return -EINVAL; | |
8869 | } | |
8870 | host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl); | |
8871 | ret = get_errno(dup3(arg1, arg2, host_flags)); | |
e36800c9 LV |
8872 | if (ret >= 0) { |
8873 | fd_trans_dup(arg1, arg2); | |
8874 | } | |
72eb7ea8 | 8875 | return ret; |
10fa993a | 8876 | } |
d0927938 | 8877 | #endif |
7a3148a9 | 8878 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a | 8879 | case TARGET_NR_getppid: |
72eb7ea8 | 8880 | return get_errno(getppid()); |
7a3148a9 | 8881 | #endif |
704eff6c | 8882 | #ifdef TARGET_NR_getpgrp |
31e31b8a | 8883 | case TARGET_NR_getpgrp: |
72eb7ea8 | 8884 | return get_errno(getpgrp()); |
704eff6c | 8885 | #endif |
31e31b8a | 8886 | case TARGET_NR_setsid: |
72eb7ea8 | 8887 | return get_errno(setsid()); |
e5febef5 | 8888 | #ifdef TARGET_NR_sigaction |
31e31b8a | 8889 | case TARGET_NR_sigaction: |
31e31b8a | 8890 | { |
6049f4f8 RH |
8891 | #if defined(TARGET_ALPHA) |
8892 | struct target_sigaction act, oact, *pact = 0; | |
53a5960a | 8893 | struct target_old_sigaction *old_act; |
53a5960a | 8894 | if (arg2) { |
579a97f7 | 8895 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
2852aafd | 8896 | return -TARGET_EFAULT; |
66fb9763 FB |
8897 | act._sa_handler = old_act->_sa_handler; |
8898 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
8899 | act.sa_flags = old_act->sa_flags; | |
6049f4f8 | 8900 | act.sa_restorer = 0; |
53a5960a | 8901 | unlock_user_struct(old_act, arg2, 0); |
66fb9763 | 8902 | pact = &act; |
66fb9763 FB |
8903 | } |
8904 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
53a5960a | 8905 | if (!is_error(ret) && arg3) { |
579a97f7 | 8906 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
2852aafd | 8907 | return -TARGET_EFAULT; |
53a5960a PB |
8908 | old_act->_sa_handler = oact._sa_handler; |
8909 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
8910 | old_act->sa_flags = oact.sa_flags; | |
53a5960a | 8911 | unlock_user_struct(old_act, arg3, 1); |
66fb9763 | 8912 | } |
6049f4f8 | 8913 | #elif defined(TARGET_MIPS) |
106ec879 FB |
8914 | struct target_sigaction act, oact, *pact, *old_act; |
8915 | ||
8916 | if (arg2) { | |
579a97f7 | 8917 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
2852aafd | 8918 | return -TARGET_EFAULT; |
106ec879 FB |
8919 | act._sa_handler = old_act->_sa_handler; |
8920 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
8921 | act.sa_flags = old_act->sa_flags; | |
8922 | unlock_user_struct(old_act, arg2, 0); | |
8923 | pact = &act; | |
8924 | } else { | |
8925 | pact = NULL; | |
8926 | } | |
8927 | ||
8928 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
8929 | ||
8930 | if (!is_error(ret) && arg3) { | |
579a97f7 | 8931 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
2852aafd | 8932 | return -TARGET_EFAULT; |
106ec879 FB |
8933 | old_act->_sa_handler = oact._sa_handler; |
8934 | old_act->sa_flags = oact.sa_flags; | |
8935 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
8936 | old_act->sa_mask.sig[1] = 0; | |
8937 | old_act->sa_mask.sig[2] = 0; | |
8938 | old_act->sa_mask.sig[3] = 0; | |
8939 | unlock_user_struct(old_act, arg3, 1); | |
8940 | } | |
6049f4f8 RH |
8941 | #else |
8942 | struct target_old_sigaction *old_act; | |
8943 | struct target_sigaction act, oact, *pact; | |
8944 | if (arg2) { | |
8945 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
2852aafd | 8946 | return -TARGET_EFAULT; |
6049f4f8 RH |
8947 | act._sa_handler = old_act->_sa_handler; |
8948 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
8949 | act.sa_flags = old_act->sa_flags; | |
8950 | act.sa_restorer = old_act->sa_restorer; | |
5de154e8 LV |
8951 | #ifdef TARGET_ARCH_HAS_KA_RESTORER |
8952 | act.ka_restorer = 0; | |
8953 | #endif | |
6049f4f8 RH |
8954 | unlock_user_struct(old_act, arg2, 0); |
8955 | pact = &act; | |
8956 | } else { | |
8957 | pact = NULL; | |
8958 | } | |
8959 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
8960 | if (!is_error(ret) && arg3) { | |
8961 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
2852aafd | 8962 | return -TARGET_EFAULT; |
6049f4f8 RH |
8963 | old_act->_sa_handler = oact._sa_handler; |
8964 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
8965 | old_act->sa_flags = oact.sa_flags; | |
8966 | old_act->sa_restorer = oact.sa_restorer; | |
8967 | unlock_user_struct(old_act, arg3, 1); | |
8968 | } | |
388bb21a | 8969 | #endif |
31e31b8a | 8970 | } |
72eb7ea8 | 8971 | return ret; |
e5febef5 | 8972 | #endif |
66fb9763 | 8973 | case TARGET_NR_rt_sigaction: |
53a5960a | 8974 | { |
6049f4f8 | 8975 | #if defined(TARGET_ALPHA) |
78bfef72 PM |
8976 | /* For Alpha and SPARC this is a 5 argument syscall, with |
8977 | * a 'restorer' parameter which must be copied into the | |
8978 | * sa_restorer field of the sigaction struct. | |
8979 | * For Alpha that 'restorer' is arg5; for SPARC it is arg4, | |
8980 | * and arg5 is the sigsetsize. | |
8981 | * Alpha also has a separate rt_sigaction struct that it uses | |
8982 | * here; SPARC uses the usual sigaction struct. | |
8983 | */ | |
6049f4f8 | 8984 | struct target_rt_sigaction *rt_act; |
78bfef72 | 8985 | struct target_sigaction act, oact, *pact = 0; |
c815701e PM |
8986 | |
8987 | if (arg4 != sizeof(target_sigset_t)) { | |
72eb7ea8 | 8988 | return -TARGET_EINVAL; |
c815701e | 8989 | } |
6049f4f8 RH |
8990 | if (arg2) { |
8991 | if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) | |
2852aafd | 8992 | return -TARGET_EFAULT; |
6049f4f8 RH |
8993 | act._sa_handler = rt_act->_sa_handler; |
8994 | act.sa_mask = rt_act->sa_mask; | |
8995 | act.sa_flags = rt_act->sa_flags; | |
8996 | act.sa_restorer = arg5; | |
8997 | unlock_user_struct(rt_act, arg2, 0); | |
8998 | pact = &act; | |
8999 | } | |
9000 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
9001 | if (!is_error(ret) && arg3) { | |
9002 | if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) | |
2852aafd | 9003 | return -TARGET_EFAULT; |
6049f4f8 RH |
9004 | rt_act->_sa_handler = oact._sa_handler; |
9005 | rt_act->sa_mask = oact.sa_mask; | |
9006 | rt_act->sa_flags = oact.sa_flags; | |
9007 | unlock_user_struct(rt_act, arg3, 1); | |
9008 | } | |
9009 | #else | |
78bfef72 PM |
9010 | #ifdef TARGET_SPARC |
9011 | target_ulong restorer = arg4; | |
9012 | target_ulong sigsetsize = arg5; | |
9013 | #else | |
9014 | target_ulong sigsetsize = arg4; | |
9015 | #endif | |
53a5960a PB |
9016 | struct target_sigaction *act; |
9017 | struct target_sigaction *oact; | |
9018 | ||
78bfef72 | 9019 | if (sigsetsize != sizeof(target_sigset_t)) { |
72eb7ea8 | 9020 | return -TARGET_EINVAL; |
c815701e | 9021 | } |
579a97f7 | 9022 | if (arg2) { |
78bfef72 | 9023 | if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) { |
2852aafd | 9024 | return -TARGET_EFAULT; |
78bfef72 | 9025 | } |
5de154e8 LV |
9026 | #ifdef TARGET_ARCH_HAS_KA_RESTORER |
9027 | act->ka_restorer = restorer; | |
78bfef72 PM |
9028 | #endif |
9029 | } else { | |
53a5960a | 9030 | act = NULL; |
78bfef72 | 9031 | } |
579a97f7 FB |
9032 | if (arg3) { |
9033 | if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { | |
9034 | ret = -TARGET_EFAULT; | |
9035 | goto rt_sigaction_fail; | |
9036 | } | |
9037 | } else | |
53a5960a PB |
9038 | oact = NULL; |
9039 | ret = get_errno(do_sigaction(arg1, act, oact)); | |
579a97f7 FB |
9040 | rt_sigaction_fail: |
9041 | if (act) | |
53a5960a | 9042 | unlock_user_struct(act, arg2, 0); |
579a97f7 | 9043 | if (oact) |
53a5960a | 9044 | unlock_user_struct(oact, arg3, 1); |
6049f4f8 | 9045 | #endif |
53a5960a | 9046 | } |
72eb7ea8 | 9047 | return ret; |
7a3148a9 | 9048 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 9049 | case TARGET_NR_sgetmask: |
66fb9763 FB |
9050 | { |
9051 | sigset_t cur_set; | |
992f48a0 | 9052 | abi_ulong target_set; |
3d3efba0 PM |
9053 | ret = do_sigprocmask(0, NULL, &cur_set); |
9054 | if (!ret) { | |
9055 | host_to_target_old_sigset(&target_set, &cur_set); | |
9056 | ret = target_set; | |
9057 | } | |
66fb9763 | 9058 | } |
72eb7ea8 | 9059 | return ret; |
7a3148a9 JM |
9060 | #endif |
9061 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 9062 | case TARGET_NR_ssetmask: |
66fb9763 | 9063 | { |
a8617d8c | 9064 | sigset_t set, oset; |
992f48a0 | 9065 | abi_ulong target_set = arg1; |
66fb9763 | 9066 | target_to_host_old_sigset(&set, &target_set); |
3d3efba0 PM |
9067 | ret = do_sigprocmask(SIG_SETMASK, &set, &oset); |
9068 | if (!ret) { | |
9069 | host_to_target_old_sigset(&target_set, &oset); | |
9070 | ret = target_set; | |
9071 | } | |
66fb9763 | 9072 | } |
72eb7ea8 | 9073 | return ret; |
7a3148a9 | 9074 | #endif |
e5febef5 | 9075 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
9076 | case TARGET_NR_sigprocmask: |
9077 | { | |
a5b3b13b RH |
9078 | #if defined(TARGET_ALPHA) |
9079 | sigset_t set, oldset; | |
9080 | abi_ulong mask; | |
9081 | int how; | |
9082 | ||
9083 | switch (arg1) { | |
9084 | case TARGET_SIG_BLOCK: | |
9085 | how = SIG_BLOCK; | |
9086 | break; | |
9087 | case TARGET_SIG_UNBLOCK: | |
9088 | how = SIG_UNBLOCK; | |
9089 | break; | |
9090 | case TARGET_SIG_SETMASK: | |
9091 | how = SIG_SETMASK; | |
9092 | break; | |
9093 | default: | |
259841c1 | 9094 | return -TARGET_EINVAL; |
a5b3b13b RH |
9095 | } |
9096 | mask = arg2; | |
9097 | target_to_host_old_sigset(&set, &mask); | |
9098 | ||
3d3efba0 | 9099 | ret = do_sigprocmask(how, &set, &oldset); |
a5b3b13b RH |
9100 | if (!is_error(ret)) { |
9101 | host_to_target_old_sigset(&mask, &oldset); | |
9102 | ret = mask; | |
0229f5a3 | 9103 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
9104 | } |
9105 | #else | |
66fb9763 | 9106 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 9107 | int how; |
3b46e624 | 9108 | |
53a5960a | 9109 | if (arg2) { |
a5b3b13b | 9110 | switch (arg1) { |
66fb9763 FB |
9111 | case TARGET_SIG_BLOCK: |
9112 | how = SIG_BLOCK; | |
9113 | break; | |
9114 | case TARGET_SIG_UNBLOCK: | |
9115 | how = SIG_UNBLOCK; | |
9116 | break; | |
9117 | case TARGET_SIG_SETMASK: | |
9118 | how = SIG_SETMASK; | |
9119 | break; | |
9120 | default: | |
259841c1 | 9121 | return -TARGET_EINVAL; |
66fb9763 | 9122 | } |
c227f099 | 9123 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
2852aafd | 9124 | return -TARGET_EFAULT; |
53a5960a PB |
9125 | target_to_host_old_sigset(&set, p); |
9126 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
9127 | set_ptr = &set; |
9128 | } else { | |
9129 | how = 0; | |
9130 | set_ptr = NULL; | |
9131 | } | |
3d3efba0 | 9132 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 9133 | if (!is_error(ret) && arg3) { |
c227f099 | 9134 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 9135 | return -TARGET_EFAULT; |
53a5960a | 9136 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 9137 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 9138 | } |
a5b3b13b | 9139 | #endif |
66fb9763 | 9140 | } |
72eb7ea8 | 9141 | return ret; |
e5febef5 | 9142 | #endif |
66fb9763 FB |
9143 | case TARGET_NR_rt_sigprocmask: |
9144 | { | |
9145 | int how = arg1; | |
9146 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 9147 | |
c815701e | 9148 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 9149 | return -TARGET_EINVAL; |
c815701e PM |
9150 | } |
9151 | ||
53a5960a | 9152 | if (arg2) { |
66fb9763 FB |
9153 | switch(how) { |
9154 | case TARGET_SIG_BLOCK: | |
9155 | how = SIG_BLOCK; | |
9156 | break; | |
9157 | case TARGET_SIG_UNBLOCK: | |
9158 | how = SIG_UNBLOCK; | |
9159 | break; | |
9160 | case TARGET_SIG_SETMASK: | |
9161 | how = SIG_SETMASK; | |
9162 | break; | |
9163 | default: | |
259841c1 | 9164 | return -TARGET_EINVAL; |
66fb9763 | 9165 | } |
c227f099 | 9166 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
2852aafd | 9167 | return -TARGET_EFAULT; |
53a5960a PB |
9168 | target_to_host_sigset(&set, p); |
9169 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
9170 | set_ptr = &set; |
9171 | } else { | |
9172 | how = 0; | |
9173 | set_ptr = NULL; | |
9174 | } | |
3d3efba0 | 9175 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 9176 | if (!is_error(ret) && arg3) { |
c227f099 | 9177 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 9178 | return -TARGET_EFAULT; |
53a5960a | 9179 | host_to_target_sigset(p, &oldset); |
c227f099 | 9180 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
9181 | } |
9182 | } | |
72eb7ea8 | 9183 | return ret; |
e5febef5 | 9184 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
9185 | case TARGET_NR_sigpending: |
9186 | { | |
9187 | sigset_t set; | |
9188 | ret = get_errno(sigpending(&set)); | |
9189 | if (!is_error(ret)) { | |
c227f099 | 9190 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 9191 | return -TARGET_EFAULT; |
53a5960a | 9192 | host_to_target_old_sigset(p, &set); |
c227f099 | 9193 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
9194 | } |
9195 | } | |
72eb7ea8 | 9196 | return ret; |
e5febef5 | 9197 | #endif |
66fb9763 FB |
9198 | case TARGET_NR_rt_sigpending: |
9199 | { | |
9200 | sigset_t set; | |
c815701e PM |
9201 | |
9202 | /* Yes, this check is >, not != like most. We follow the kernel's | |
9203 | * logic and it does it like this because it implements | |
9204 | * NR_sigpending through the same code path, and in that case | |
9205 | * the old_sigset_t is smaller in size. | |
9206 | */ | |
9207 | if (arg2 > sizeof(target_sigset_t)) { | |
72eb7ea8 | 9208 | return -TARGET_EINVAL; |
c815701e PM |
9209 | } |
9210 | ||
66fb9763 FB |
9211 | ret = get_errno(sigpending(&set)); |
9212 | if (!is_error(ret)) { | |
c227f099 | 9213 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 9214 | return -TARGET_EFAULT; |
53a5960a | 9215 | host_to_target_sigset(p, &set); |
c227f099 | 9216 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
9217 | } |
9218 | } | |
72eb7ea8 | 9219 | return ret; |
e5febef5 | 9220 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
9221 | case TARGET_NR_sigsuspend: |
9222 | { | |
3d3efba0 | 9223 | TaskState *ts = cpu->opaque; |
f43ce12b RH |
9224 | #if defined(TARGET_ALPHA) |
9225 | abi_ulong mask = arg1; | |
3d3efba0 | 9226 | target_to_host_old_sigset(&ts->sigsuspend_mask, &mask); |
f43ce12b | 9227 | #else |
c227f099 | 9228 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 9229 | return -TARGET_EFAULT; |
3d3efba0 | 9230 | target_to_host_old_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 9231 | unlock_user(p, arg1, 0); |
f43ce12b | 9232 | #endif |
3d3efba0 PM |
9233 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
9234 | SIGSET_T_SIZE)); | |
9235 | if (ret != -TARGET_ERESTARTSYS) { | |
9236 | ts->in_sigsuspend = 1; | |
9237 | } | |
66fb9763 | 9238 | } |
72eb7ea8 | 9239 | return ret; |
e5febef5 | 9240 | #endif |
66fb9763 FB |
9241 | case TARGET_NR_rt_sigsuspend: |
9242 | { | |
3d3efba0 | 9243 | TaskState *ts = cpu->opaque; |
c815701e PM |
9244 | |
9245 | if (arg2 != sizeof(target_sigset_t)) { | |
72eb7ea8 | 9246 | return -TARGET_EINVAL; |
c815701e | 9247 | } |
c227f099 | 9248 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 9249 | return -TARGET_EFAULT; |
3d3efba0 | 9250 | target_to_host_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 9251 | unlock_user(p, arg1, 0); |
3d3efba0 PM |
9252 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
9253 | SIGSET_T_SIZE)); | |
9254 | if (ret != -TARGET_ERESTARTSYS) { | |
9255 | ts->in_sigsuspend = 1; | |
9256 | } | |
66fb9763 | 9257 | } |
72eb7ea8 | 9258 | return ret; |
859e8a89 | 9259 | #ifdef TARGET_NR_rt_sigtimedwait |
66fb9763 FB |
9260 | case TARGET_NR_rt_sigtimedwait: |
9261 | { | |
66fb9763 FB |
9262 | sigset_t set; |
9263 | struct timespec uts, *puts; | |
9264 | siginfo_t uinfo; | |
3b46e624 | 9265 | |
c815701e | 9266 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 9267 | return -TARGET_EINVAL; |
c815701e PM |
9268 | } |
9269 | ||
c227f099 | 9270 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 9271 | return -TARGET_EFAULT; |
53a5960a PB |
9272 | target_to_host_sigset(&set, p); |
9273 | unlock_user(p, arg1, 0); | |
9274 | if (arg3) { | |
66fb9763 | 9275 | puts = &uts; |
4d213001 FB |
9276 | if (target_to_host_timespec(puts, arg3)) { |
9277 | return -TARGET_EFAULT; | |
9278 | } | |
66fb9763 FB |
9279 | } else { |
9280 | puts = NULL; | |
9281 | } | |
b3f82330 PM |
9282 | ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts, |
9283 | SIGSET_T_SIZE)); | |
974a196d PJ |
9284 | if (!is_error(ret)) { |
9285 | if (arg2) { | |
9286 | p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), | |
9287 | 0); | |
9288 | if (!p) { | |
2852aafd | 9289 | return -TARGET_EFAULT; |
974a196d PJ |
9290 | } |
9291 | host_to_target_siginfo(p, &uinfo); | |
9292 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
9293 | } | |
9294 | ret = host_to_target_signal(ret); | |
66fb9763 FB |
9295 | } |
9296 | } | |
72eb7ea8 | 9297 | return ret; |
ddcbde15 FB |
9298 | #endif |
9299 | #ifdef TARGET_NR_rt_sigtimedwait_time64 | |
9300 | case TARGET_NR_rt_sigtimedwait_time64: | |
9301 | { | |
9302 | sigset_t set; | |
9303 | struct timespec uts, *puts; | |
9304 | siginfo_t uinfo; | |
9305 | ||
9306 | if (arg4 != sizeof(target_sigset_t)) { | |
9307 | return -TARGET_EINVAL; | |
9308 | } | |
9309 | ||
9310 | p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1); | |
9311 | if (!p) { | |
9312 | return -TARGET_EFAULT; | |
9313 | } | |
9314 | target_to_host_sigset(&set, p); | |
9315 | unlock_user(p, arg1, 0); | |
9316 | if (arg3) { | |
9317 | puts = &uts; | |
9318 | if (target_to_host_timespec64(puts, arg3)) { | |
9319 | return -TARGET_EFAULT; | |
9320 | } | |
9321 | } else { | |
9322 | puts = NULL; | |
9323 | } | |
9324 | ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts, | |
9325 | SIGSET_T_SIZE)); | |
9326 | if (!is_error(ret)) { | |
9327 | if (arg2) { | |
9328 | p = lock_user(VERIFY_WRITE, arg2, | |
9329 | sizeof(target_siginfo_t), 0); | |
9330 | if (!p) { | |
9331 | return -TARGET_EFAULT; | |
9332 | } | |
9333 | host_to_target_siginfo(p, &uinfo); | |
9334 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
9335 | } | |
9336 | ret = host_to_target_signal(ret); | |
9337 | } | |
9338 | } | |
9339 | return ret; | |
859e8a89 | 9340 | #endif |
66fb9763 FB |
9341 | case TARGET_NR_rt_sigqueueinfo: |
9342 | { | |
9343 | siginfo_t uinfo; | |
4debae6f PM |
9344 | |
9345 | p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); | |
9346 | if (!p) { | |
2852aafd | 9347 | return -TARGET_EFAULT; |
4debae6f | 9348 | } |
53a5960a | 9349 | target_to_host_siginfo(&uinfo, p); |
d8b6d892 | 9350 | unlock_user(p, arg3, 0); |
66fb9763 FB |
9351 | ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
9352 | } | |
72eb7ea8 | 9353 | return ret; |
cf8b8bfc MS |
9354 | case TARGET_NR_rt_tgsigqueueinfo: |
9355 | { | |
9356 | siginfo_t uinfo; | |
9357 | ||
9358 | p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1); | |
9359 | if (!p) { | |
2852aafd | 9360 | return -TARGET_EFAULT; |
cf8b8bfc MS |
9361 | } |
9362 | target_to_host_siginfo(&uinfo, p); | |
9363 | unlock_user(p, arg4, 0); | |
9364 | ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, arg3, &uinfo)); | |
9365 | } | |
72eb7ea8 | 9366 | return ret; |
e5febef5 | 9367 | #ifdef TARGET_NR_sigreturn |
66fb9763 | 9368 | case TARGET_NR_sigreturn: |
3d3efba0 | 9369 | if (block_signals()) { |
72eb7ea8 | 9370 | return -TARGET_ERESTARTSYS; |
3d3efba0 | 9371 | } |
72eb7ea8 | 9372 | return do_sigreturn(cpu_env); |
e5febef5 | 9373 | #endif |
66fb9763 | 9374 | case TARGET_NR_rt_sigreturn: |
3d3efba0 | 9375 | if (block_signals()) { |
72eb7ea8 | 9376 | return -TARGET_ERESTARTSYS; |
3d3efba0 | 9377 | } |
72eb7ea8 | 9378 | return do_rt_sigreturn(cpu_env); |
31e31b8a | 9379 | case TARGET_NR_sethostname: |
579a97f7 | 9380 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9381 | return -TARGET_EFAULT; |
53a5960a PB |
9382 | ret = get_errno(sethostname(p, arg2)); |
9383 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9384 | return ret; |
4f7f8924 | 9385 | #ifdef TARGET_NR_setrlimit |
31e31b8a | 9386 | case TARGET_NR_setrlimit: |
9de5e440 | 9387 | { |
e22b7015 | 9388 | int resource = target_to_host_resource(arg1); |
53a5960a | 9389 | struct target_rlimit *target_rlim; |
9de5e440 | 9390 | struct rlimit rlim; |
579a97f7 | 9391 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
2852aafd | 9392 | return -TARGET_EFAULT; |
81bbe906 TY |
9393 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
9394 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 9395 | unlock_user_struct(target_rlim, arg2, 0); |
5dfa88f7 MF |
9396 | /* |
9397 | * If we just passed through resource limit settings for memory then | |
9398 | * they would also apply to QEMU's own allocations, and QEMU will | |
9399 | * crash or hang or die if its allocations fail. Ideally we would | |
9400 | * track the guest allocations in QEMU and apply the limits ourselves. | |
9401 | * For now, just tell the guest the call succeeded but don't actually | |
9402 | * limit anything. | |
9403 | */ | |
9404 | if (resource != RLIMIT_AS && | |
9405 | resource != RLIMIT_DATA && | |
9406 | resource != RLIMIT_STACK) { | |
9407 | return get_errno(setrlimit(resource, &rlim)); | |
9408 | } else { | |
9409 | return 0; | |
9410 | } | |
9de5e440 | 9411 | } |
4f7f8924 AR |
9412 | #endif |
9413 | #ifdef TARGET_NR_getrlimit | |
31e31b8a | 9414 | case TARGET_NR_getrlimit: |
9de5e440 | 9415 | { |
e22b7015 | 9416 | int resource = target_to_host_resource(arg1); |
53a5960a | 9417 | struct target_rlimit *target_rlim; |
9de5e440 | 9418 | struct rlimit rlim; |
3b46e624 | 9419 | |
9de5e440 FB |
9420 | ret = get_errno(getrlimit(resource, &rlim)); |
9421 | if (!is_error(ret)) { | |
579a97f7 | 9422 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 9423 | return -TARGET_EFAULT; |
81bbe906 TY |
9424 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
9425 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 9426 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
9427 | } |
9428 | } | |
72eb7ea8 | 9429 | return ret; |
4f7f8924 | 9430 | #endif |
31e31b8a | 9431 | case TARGET_NR_getrusage: |
b409186b FB |
9432 | { |
9433 | struct rusage rusage; | |
b409186b FB |
9434 | ret = get_errno(getrusage(arg1, &rusage)); |
9435 | if (!is_error(ret)) { | |
a39fb273 | 9436 | ret = host_to_target_rusage(arg2, &rusage); |
b409186b FB |
9437 | } |
9438 | } | |
72eb7ea8 | 9439 | return ret; |
859e8a89 | 9440 | #if defined(TARGET_NR_gettimeofday) |
31e31b8a FB |
9441 | case TARGET_NR_gettimeofday: |
9442 | { | |
31e31b8a | 9443 | struct timeval tv; |
a52f5f87 RH |
9444 | struct timezone tz; |
9445 | ||
9446 | ret = get_errno(gettimeofday(&tv, &tz)); | |
31e31b8a | 9447 | if (!is_error(ret)) { |
a52f5f87 RH |
9448 | if (arg1 && copy_to_user_timeval(arg1, &tv)) { |
9449 | return -TARGET_EFAULT; | |
9450 | } | |
9451 | if (arg2 && copy_to_user_timezone(arg2, &tz)) { | |
2852aafd | 9452 | return -TARGET_EFAULT; |
a52f5f87 | 9453 | } |
31e31b8a FB |
9454 | } |
9455 | } | |
72eb7ea8 | 9456 | return ret; |
859e8a89 AF |
9457 | #endif |
9458 | #if defined(TARGET_NR_settimeofday) | |
31e31b8a FB |
9459 | case TARGET_NR_settimeofday: |
9460 | { | |
b67d8031 | 9461 | struct timeval tv, *ptv = NULL; |
ef4467e9 PB |
9462 | struct timezone tz, *ptz = NULL; |
9463 | ||
b67d8031 PB |
9464 | if (arg1) { |
9465 | if (copy_from_user_timeval(&tv, arg1)) { | |
2852aafd | 9466 | return -TARGET_EFAULT; |
b67d8031 PB |
9467 | } |
9468 | ptv = &tv; | |
9469 | } | |
ef4467e9 PB |
9470 | |
9471 | if (arg2) { | |
9472 | if (copy_from_user_timezone(&tz, arg2)) { | |
2852aafd | 9473 | return -TARGET_EFAULT; |
ef4467e9 PB |
9474 | } |
9475 | ptz = &tz; | |
9476 | } | |
9477 | ||
72eb7ea8 | 9478 | return get_errno(settimeofday(ptv, ptz)); |
31e31b8a | 9479 | } |
859e8a89 | 9480 | #endif |
9468a5d4 | 9481 | #if defined(TARGET_NR_select) |
31e31b8a | 9482 | case TARGET_NR_select: |
5457dc9e LV |
9483 | #if defined(TARGET_WANT_NI_OLD_SELECT) |
9484 | /* some architectures used to have old_select here | |
9485 | * but now ENOSYS it. | |
9486 | */ | |
9487 | ret = -TARGET_ENOSYS; | |
9488 | #elif defined(TARGET_WANT_OLD_SYS_SELECT) | |
9489 | ret = do_old_select(arg1); | |
9468a5d4 | 9490 | #else |
5457dc9e | 9491 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
9468a5d4 | 9492 | #endif |
72eb7ea8 | 9493 | return ret; |
9e42382f RV |
9494 | #endif |
9495 | #ifdef TARGET_NR_pselect6 | |
9496 | case TARGET_NR_pselect6: | |
e5ce9688 FB |
9497 | return do_pselect6(arg1, arg2, arg3, arg4, arg5, arg6, false); |
9498 | #endif | |
9499 | #ifdef TARGET_NR_pselect6_time64 | |
9500 | case TARGET_NR_pselect6_time64: | |
9501 | return do_pselect6(arg1, arg2, arg3, arg4, arg5, arg6, true); | |
048f6b4d | 9502 | #endif |
704eff6c | 9503 | #ifdef TARGET_NR_symlink |
31e31b8a | 9504 | case TARGET_NR_symlink: |
53a5960a PB |
9505 | { |
9506 | void *p2; | |
9507 | p = lock_user_string(arg1); | |
9508 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
9509 | if (!p || !p2) |
9510 | ret = -TARGET_EFAULT; | |
9511 | else | |
9512 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
9513 | unlock_user(p2, arg2, 0); |
9514 | unlock_user(p, arg1, 0); | |
9515 | } | |
72eb7ea8 | 9516 | return ret; |
704eff6c | 9517 | #endif |
c0d472b1 | 9518 | #if defined(TARGET_NR_symlinkat) |
f0b6243d | 9519 | case TARGET_NR_symlinkat: |
f0b6243d | 9520 | { |
579a97f7 | 9521 | void *p2; |
f0b6243d TS |
9522 | p = lock_user_string(arg1); |
9523 | p2 = lock_user_string(arg3); | |
579a97f7 | 9524 | if (!p || !p2) |
0da46a6e | 9525 | ret = -TARGET_EFAULT; |
f0b6243d | 9526 | else |
c0d472b1 | 9527 | ret = get_errno(symlinkat(p, arg2, p2)); |
579a97f7 FB |
9528 | unlock_user(p2, arg3, 0); |
9529 | unlock_user(p, arg1, 0); | |
f0b6243d | 9530 | } |
72eb7ea8 | 9531 | return ret; |
f0b6243d | 9532 | #endif |
704eff6c | 9533 | #ifdef TARGET_NR_readlink |
31e31b8a | 9534 | case TARGET_NR_readlink: |
53a5960a | 9535 | { |
463d8e73 | 9536 | void *p2; |
53a5960a | 9537 | p = lock_user_string(arg1); |
579a97f7 | 9538 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
463d8e73 | 9539 | if (!p || !p2) { |
579a97f7 | 9540 | ret = -TARGET_EFAULT; |
f17f4989 MF |
9541 | } else if (!arg3) { |
9542 | /* Short circuit this for the magic exe check. */ | |
9543 | ret = -TARGET_EINVAL; | |
463d8e73 AS |
9544 | } else if (is_proc_myself((const char *)p, "exe")) { |
9545 | char real[PATH_MAX], *temp; | |
9546 | temp = realpath(exec_path, real); | |
f17f4989 MF |
9547 | /* Return value is # of bytes that we wrote to the buffer. */ |
9548 | if (temp == NULL) { | |
9549 | ret = get_errno(-1); | |
9550 | } else { | |
9551 | /* Don't worry about sign mismatch as earlier mapping | |
9552 | * logic would have thrown a bad address error. */ | |
9553 | ret = MIN(strlen(real), arg3); | |
9554 | /* We cannot NUL terminate the string. */ | |
9555 | memcpy(p2, real, ret); | |
9556 | } | |
463d8e73 AS |
9557 | } else { |
9558 | ret = get_errno(readlink(path(p), p2, arg3)); | |
d088d664 | 9559 | } |
53a5960a PB |
9560 | unlock_user(p2, arg2, ret); |
9561 | unlock_user(p, arg1, 0); | |
9562 | } | |
72eb7ea8 | 9563 | return ret; |
704eff6c | 9564 | #endif |
c0d472b1 | 9565 | #if defined(TARGET_NR_readlinkat) |
5e0ccb18 | 9566 | case TARGET_NR_readlinkat: |
5e0ccb18 | 9567 | { |
579a97f7 | 9568 | void *p2; |
5e0ccb18 | 9569 | p = lock_user_string(arg2); |
579a97f7 | 9570 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
463d8e73 AS |
9571 | if (!p || !p2) { |
9572 | ret = -TARGET_EFAULT; | |
9573 | } else if (is_proc_myself((const char *)p, "exe")) { | |
9574 | char real[PATH_MAX], *temp; | |
9575 | temp = realpath(exec_path, real); | |
9576 | ret = temp == NULL ? get_errno(-1) : strlen(real) ; | |
9577 | snprintf((char *)p2, arg4, "%s", real); | |
9578 | } else { | |
c0d472b1 | 9579 | ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
463d8e73 | 9580 | } |
579a97f7 FB |
9581 | unlock_user(p2, arg3, ret); |
9582 | unlock_user(p, arg2, 0); | |
5e0ccb18 | 9583 | } |
72eb7ea8 | 9584 | return ret; |
5e0ccb18 | 9585 | #endif |
e5febef5 | 9586 | #ifdef TARGET_NR_swapon |
31e31b8a | 9587 | case TARGET_NR_swapon: |
579a97f7 | 9588 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9589 | return -TARGET_EFAULT; |
53a5960a PB |
9590 | ret = get_errno(swapon(p, arg2)); |
9591 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9592 | return ret; |
e5febef5 | 9593 | #endif |
31e31b8a | 9594 | case TARGET_NR_reboot: |
c07ecc68 LV |
9595 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
9596 | /* arg4 must be ignored in all other cases */ | |
9597 | p = lock_user_string(arg4); | |
9598 | if (!p) { | |
2852aafd | 9599 | return -TARGET_EFAULT; |
c07ecc68 LV |
9600 | } |
9601 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
9602 | unlock_user(p, arg4, 0); | |
9603 | } else { | |
9604 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
9605 | } | |
72eb7ea8 | 9606 | return ret; |
e5febef5 | 9607 | #ifdef TARGET_NR_mmap |
31e31b8a | 9608 | case TARGET_NR_mmap: |
09701199 AG |
9609 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
9610 | (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ | |
a4c075f1 UH |
9611 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
9612 | || defined(TARGET_S390X) | |
31e31b8a | 9613 | { |
992f48a0 BS |
9614 | abi_ulong *v; |
9615 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 | 9616 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
2852aafd | 9617 | return -TARGET_EFAULT; |
cbb21eed MB |
9618 | v1 = tswapal(v[0]); |
9619 | v2 = tswapal(v[1]); | |
9620 | v3 = tswapal(v[2]); | |
9621 | v4 = tswapal(v[3]); | |
9622 | v5 = tswapal(v[4]); | |
9623 | v6 = tswapal(v[5]); | |
53a5960a | 9624 | unlock_user(v, arg1, 0); |
5fafdf24 | 9625 | ret = get_errno(target_mmap(v1, v2, v3, |
5286db75 FB |
9626 | target_to_host_bitmask(v4, mmap_flags_tbl), |
9627 | v5, v6)); | |
31e31b8a | 9628 | } |
31e31b8a | 9629 | #else |
5fafdf24 TS |
9630 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
9631 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
6fb883e8 FB |
9632 | arg5, |
9633 | arg6)); | |
31e31b8a | 9634 | #endif |
72eb7ea8 | 9635 | return ret; |
e5febef5 | 9636 | #endif |
a315a145 | 9637 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 9638 | case TARGET_NR_mmap2: |
bb7ec043 | 9639 | #ifndef MMAP_SHIFT |
c573ff67 | 9640 | #define MMAP_SHIFT 12 |
c573ff67 | 9641 | #endif |
72eb7ea8 RH |
9642 | ret = target_mmap(arg1, arg2, arg3, |
9643 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
9644 | arg5, arg6 << MMAP_SHIFT); | |
9645 | return get_errno(ret); | |
a315a145 | 9646 | #endif |
31e31b8a | 9647 | case TARGET_NR_munmap: |
72eb7ea8 | 9648 | return get_errno(target_munmap(arg1, arg2)); |
9de5e440 | 9649 | case TARGET_NR_mprotect: |
97374d38 | 9650 | { |
0429a971 | 9651 | TaskState *ts = cpu->opaque; |
97374d38 PB |
9652 | /* Special hack to detect libc making the stack executable. */ |
9653 | if ((arg3 & PROT_GROWSDOWN) | |
9654 | && arg1 >= ts->info->stack_limit | |
9655 | && arg1 <= ts->info->start_stack) { | |
9656 | arg3 &= ~PROT_GROWSDOWN; | |
9657 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
9658 | arg1 = ts->info->stack_limit; | |
9659 | } | |
9660 | } | |
72eb7ea8 | 9661 | return get_errno(target_mprotect(arg1, arg2, arg3)); |
e5febef5 | 9662 | #ifdef TARGET_NR_mremap |
9de5e440 | 9663 | case TARGET_NR_mremap: |
72eb7ea8 | 9664 | return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
e5febef5 | 9665 | #endif |
53a5960a | 9666 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 9667 | #ifdef TARGET_NR_msync |
9de5e440 | 9668 | case TARGET_NR_msync: |
72eb7ea8 | 9669 | return get_errno(msync(g2h(arg1), arg2, arg3)); |
e5febef5 TS |
9670 | #endif |
9671 | #ifdef TARGET_NR_mlock | |
9de5e440 | 9672 | case TARGET_NR_mlock: |
72eb7ea8 | 9673 | return get_errno(mlock(g2h(arg1), arg2)); |
e5febef5 TS |
9674 | #endif |
9675 | #ifdef TARGET_NR_munlock | |
9de5e440 | 9676 | case TARGET_NR_munlock: |
72eb7ea8 | 9677 | return get_errno(munlock(g2h(arg1), arg2)); |
e5febef5 TS |
9678 | #endif |
9679 | #ifdef TARGET_NR_mlockall | |
9de5e440 | 9680 | case TARGET_NR_mlockall: |
72eb7ea8 | 9681 | return get_errno(mlockall(target_to_host_mlockall_arg(arg1))); |
e5febef5 TS |
9682 | #endif |
9683 | #ifdef TARGET_NR_munlockall | |
9de5e440 | 9684 | case TARGET_NR_munlockall: |
72eb7ea8 | 9685 | return get_errno(munlockall()); |
e5febef5 | 9686 | #endif |
4f7f8924 | 9687 | #ifdef TARGET_NR_truncate |
31e31b8a | 9688 | case TARGET_NR_truncate: |
579a97f7 | 9689 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9690 | return -TARGET_EFAULT; |
53a5960a PB |
9691 | ret = get_errno(truncate(p, arg2)); |
9692 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9693 | return ret; |
4f7f8924 AR |
9694 | #endif |
9695 | #ifdef TARGET_NR_ftruncate | |
31e31b8a | 9696 | case TARGET_NR_ftruncate: |
72eb7ea8 | 9697 | return get_errno(ftruncate(arg1, arg2)); |
4f7f8924 | 9698 | #endif |
31e31b8a | 9699 | case TARGET_NR_fchmod: |
72eb7ea8 | 9700 | return get_errno(fchmod(arg1, arg2)); |
c0d472b1 | 9701 | #if defined(TARGET_NR_fchmodat) |
814d7977 | 9702 | case TARGET_NR_fchmodat: |
579a97f7 | 9703 | if (!(p = lock_user_string(arg2))) |
2852aafd | 9704 | return -TARGET_EFAULT; |
c0d472b1 | 9705 | ret = get_errno(fchmodat(arg1, p, arg3, 0)); |
579a97f7 | 9706 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9707 | return ret; |
814d7977 | 9708 | #endif |
31e31b8a | 9709 | case TARGET_NR_getpriority: |
95c09828 RH |
9710 | /* Note that negative values are valid for getpriority, so we must |
9711 | differentiate based on errno settings. */ | |
9712 | errno = 0; | |
9713 | ret = getpriority(arg1, arg2); | |
9714 | if (ret == -1 && errno != 0) { | |
72eb7ea8 | 9715 | return -host_to_target_errno(errno); |
95c09828 RH |
9716 | } |
9717 | #ifdef TARGET_ALPHA | |
9718 | /* Return value is the unbiased priority. Signal no error. */ | |
9719 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; | |
9720 | #else | |
9721 | /* Return value is a biased priority to avoid negative numbers. */ | |
9722 | ret = 20 - ret; | |
9723 | #endif | |
72eb7ea8 | 9724 | return ret; |
31e31b8a | 9725 | case TARGET_NR_setpriority: |
72eb7ea8 | 9726 | return get_errno(setpriority(arg1, arg2, arg3)); |
4f7f8924 | 9727 | #ifdef TARGET_NR_statfs |
31e31b8a | 9728 | case TARGET_NR_statfs: |
2852aafd RH |
9729 | if (!(p = lock_user_string(arg1))) { |
9730 | return -TARGET_EFAULT; | |
9731 | } | |
53a5960a PB |
9732 | ret = get_errno(statfs(path(p), &stfs)); |
9733 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
9734 | convert_statfs: |
9735 | if (!is_error(ret)) { | |
53a5960a | 9736 | struct target_statfs *target_stfs; |
3b46e624 | 9737 | |
579a97f7 | 9738 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
2852aafd | 9739 | return -TARGET_EFAULT; |
579a97f7 FB |
9740 | __put_user(stfs.f_type, &target_stfs->f_type); |
9741 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
9742 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
9743 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
9744 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
9745 | __put_user(stfs.f_files, &target_stfs->f_files); | |
9746 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
9747 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
9748 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
9749 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 | 9750 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
d4247ec2 SL |
9751 | #ifdef _STATFS_F_FLAGS |
9752 | __put_user(stfs.f_flags, &target_stfs->f_flags); | |
9753 | #else | |
9754 | __put_user(0, &target_stfs->f_flags); | |
9755 | #endif | |
229d3376 | 9756 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
53a5960a | 9757 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a | 9758 | } |
72eb7ea8 | 9759 | return ret; |
4f7f8924 AR |
9760 | #endif |
9761 | #ifdef TARGET_NR_fstatfs | |
31e31b8a | 9762 | case TARGET_NR_fstatfs: |
56c8f68f | 9763 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 9764 | goto convert_statfs; |
4f7f8924 | 9765 | #endif |
56c8f68f FB |
9766 | #ifdef TARGET_NR_statfs64 |
9767 | case TARGET_NR_statfs64: | |
2852aafd RH |
9768 | if (!(p = lock_user_string(arg1))) { |
9769 | return -TARGET_EFAULT; | |
9770 | } | |
53a5960a PB |
9771 | ret = get_errno(statfs(path(p), &stfs)); |
9772 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
9773 | convert_statfs64: |
9774 | if (!is_error(ret)) { | |
53a5960a | 9775 | struct target_statfs64 *target_stfs; |
3b46e624 | 9776 | |
579a97f7 | 9777 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
2852aafd | 9778 | return -TARGET_EFAULT; |
579a97f7 FB |
9779 | __put_user(stfs.f_type, &target_stfs->f_type); |
9780 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
9781 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
9782 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
9783 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
9784 | __put_user(stfs.f_files, &target_stfs->f_files); | |
9785 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
9786 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
9787 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
9788 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 | 9789 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
b94e2b4e F |
9790 | #ifdef _STATFS_F_FLAGS |
9791 | __put_user(stfs.f_flags, &target_stfs->f_flags); | |
9792 | #else | |
9793 | __put_user(0, &target_stfs->f_flags); | |
9794 | #endif | |
229d3376 | 9795 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
579a97f7 | 9796 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f | 9797 | } |
72eb7ea8 | 9798 | return ret; |
56c8f68f FB |
9799 | case TARGET_NR_fstatfs64: |
9800 | ret = get_errno(fstatfs(arg1, &stfs)); | |
9801 | goto convert_statfs64; | |
9802 | #endif | |
e5febef5 | 9803 | #ifdef TARGET_NR_socketcall |
31e31b8a | 9804 | case TARGET_NR_socketcall: |
72eb7ea8 | 9805 | return do_socketcall(arg1, arg2); |
e5febef5 | 9806 | #endif |
3532fa74 FB |
9807 | #ifdef TARGET_NR_accept |
9808 | case TARGET_NR_accept: | |
72eb7ea8 | 9809 | return do_accept4(arg1, arg2, arg3, 0); |
a94b4987 PM |
9810 | #endif |
9811 | #ifdef TARGET_NR_accept4 | |
9812 | case TARGET_NR_accept4: | |
72eb7ea8 | 9813 | return do_accept4(arg1, arg2, arg3, arg4); |
3532fa74 FB |
9814 | #endif |
9815 | #ifdef TARGET_NR_bind | |
9816 | case TARGET_NR_bind: | |
72eb7ea8 | 9817 | return do_bind(arg1, arg2, arg3); |
3532fa74 FB |
9818 | #endif |
9819 | #ifdef TARGET_NR_connect | |
9820 | case TARGET_NR_connect: | |
72eb7ea8 | 9821 | return do_connect(arg1, arg2, arg3); |
3532fa74 FB |
9822 | #endif |
9823 | #ifdef TARGET_NR_getpeername | |
9824 | case TARGET_NR_getpeername: | |
72eb7ea8 | 9825 | return do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
9826 | #endif |
9827 | #ifdef TARGET_NR_getsockname | |
9828 | case TARGET_NR_getsockname: | |
72eb7ea8 | 9829 | return do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
9830 | #endif |
9831 | #ifdef TARGET_NR_getsockopt | |
9832 | case TARGET_NR_getsockopt: | |
72eb7ea8 | 9833 | return do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
3532fa74 FB |
9834 | #endif |
9835 | #ifdef TARGET_NR_listen | |
9836 | case TARGET_NR_listen: | |
72eb7ea8 | 9837 | return get_errno(listen(arg1, arg2)); |
3532fa74 FB |
9838 | #endif |
9839 | #ifdef TARGET_NR_recv | |
9840 | case TARGET_NR_recv: | |
72eb7ea8 | 9841 | return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
9842 | #endif |
9843 | #ifdef TARGET_NR_recvfrom | |
9844 | case TARGET_NR_recvfrom: | |
72eb7ea8 | 9845 | return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
9846 | #endif |
9847 | #ifdef TARGET_NR_recvmsg | |
9848 | case TARGET_NR_recvmsg: | |
72eb7ea8 | 9849 | return do_sendrecvmsg(arg1, arg2, arg3, 0); |
3532fa74 FB |
9850 | #endif |
9851 | #ifdef TARGET_NR_send | |
9852 | case TARGET_NR_send: | |
72eb7ea8 | 9853 | return do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
9854 | #endif |
9855 | #ifdef TARGET_NR_sendmsg | |
9856 | case TARGET_NR_sendmsg: | |
72eb7ea8 | 9857 | return do_sendrecvmsg(arg1, arg2, arg3, 1); |
3532fa74 | 9858 | #endif |
f19e00d7 AG |
9859 | #ifdef TARGET_NR_sendmmsg |
9860 | case TARGET_NR_sendmmsg: | |
72eb7ea8 | 9861 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); |
859e8a89 AF |
9862 | #endif |
9863 | #ifdef TARGET_NR_recvmmsg | |
f19e00d7 | 9864 | case TARGET_NR_recvmmsg: |
72eb7ea8 | 9865 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); |
f19e00d7 | 9866 | #endif |
3532fa74 FB |
9867 | #ifdef TARGET_NR_sendto |
9868 | case TARGET_NR_sendto: | |
72eb7ea8 | 9869 | return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
9870 | #endif |
9871 | #ifdef TARGET_NR_shutdown | |
9872 | case TARGET_NR_shutdown: | |
72eb7ea8 | 9873 | return get_errno(shutdown(arg1, arg2)); |
3532fa74 | 9874 | #endif |
f894efd1 LV |
9875 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
9876 | case TARGET_NR_getrandom: | |
9877 | p = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
9878 | if (!p) { | |
2852aafd | 9879 | return -TARGET_EFAULT; |
f894efd1 LV |
9880 | } |
9881 | ret = get_errno(getrandom(p, arg2, arg3)); | |
9882 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 9883 | return ret; |
f894efd1 | 9884 | #endif |
3532fa74 FB |
9885 | #ifdef TARGET_NR_socket |
9886 | case TARGET_NR_socket: | |
72eb7ea8 | 9887 | return do_socket(arg1, arg2, arg3); |
3532fa74 FB |
9888 | #endif |
9889 | #ifdef TARGET_NR_socketpair | |
9890 | case TARGET_NR_socketpair: | |
72eb7ea8 | 9891 | return do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
9892 | #endif |
9893 | #ifdef TARGET_NR_setsockopt | |
9894 | case TARGET_NR_setsockopt: | |
72eb7ea8 | 9895 | return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
3532fa74 | 9896 | #endif |
da2c8ad7 | 9897 | #if defined(TARGET_NR_syslog) |
31e31b8a | 9898 | case TARGET_NR_syslog: |
da2c8ad7 AM |
9899 | { |
9900 | int len = arg2; | |
7494b0f9 | 9901 | |
da2c8ad7 AM |
9902 | switch (arg1) { |
9903 | case TARGET_SYSLOG_ACTION_CLOSE: /* Close log */ | |
9904 | case TARGET_SYSLOG_ACTION_OPEN: /* Open log */ | |
9905 | case TARGET_SYSLOG_ACTION_CLEAR: /* Clear ring buffer */ | |
9906 | case TARGET_SYSLOG_ACTION_CONSOLE_OFF: /* Disable logging */ | |
9907 | case TARGET_SYSLOG_ACTION_CONSOLE_ON: /* Enable logging */ | |
9908 | case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: /* Set messages level */ | |
9909 | case TARGET_SYSLOG_ACTION_SIZE_UNREAD: /* Number of chars */ | |
9910 | case TARGET_SYSLOG_ACTION_SIZE_BUFFER: /* Size of the buffer */ | |
72eb7ea8 | 9911 | return get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); |
da2c8ad7 AM |
9912 | case TARGET_SYSLOG_ACTION_READ: /* Read from log */ |
9913 | case TARGET_SYSLOG_ACTION_READ_CLEAR: /* Read/clear msgs */ | |
9914 | case TARGET_SYSLOG_ACTION_READ_ALL: /* Read last messages */ | |
9915 | { | |
da2c8ad7 | 9916 | if (len < 0) { |
259841c1 | 9917 | return -TARGET_EINVAL; |
da2c8ad7 | 9918 | } |
da2c8ad7 | 9919 | if (len == 0) { |
72eb7ea8 | 9920 | return 0; |
da2c8ad7 AM |
9921 | } |
9922 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
9923 | if (!p) { | |
259841c1 | 9924 | return -TARGET_EFAULT; |
da2c8ad7 AM |
9925 | } |
9926 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); | |
9927 | unlock_user(p, arg2, arg3); | |
9928 | } | |
72eb7ea8 | 9929 | return ret; |
da2c8ad7 | 9930 | default: |
72eb7ea8 | 9931 | return -TARGET_EINVAL; |
da2c8ad7 AM |
9932 | } |
9933 | } | |
9934 | break; | |
9935 | #endif | |
31e31b8a | 9936 | case TARGET_NR_setitimer: |
66fb9763 | 9937 | { |
66fb9763 FB |
9938 | struct itimerval value, ovalue, *pvalue; |
9939 | ||
53a5960a | 9940 | if (arg2) { |
66fb9763 | 9941 | pvalue = &value; |
788f5ec4 TS |
9942 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
9943 | || copy_from_user_timeval(&pvalue->it_value, | |
9944 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 9945 | return -TARGET_EFAULT; |
66fb9763 FB |
9946 | } else { |
9947 | pvalue = NULL; | |
9948 | } | |
9949 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 9950 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
9951 | if (copy_to_user_timeval(arg3, |
9952 | &ovalue.it_interval) | |
9953 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
9954 | &ovalue.it_value)) | |
2852aafd | 9955 | return -TARGET_EFAULT; |
66fb9763 FB |
9956 | } |
9957 | } | |
72eb7ea8 | 9958 | return ret; |
31e31b8a | 9959 | case TARGET_NR_getitimer: |
66fb9763 | 9960 | { |
66fb9763 | 9961 | struct itimerval value; |
3b46e624 | 9962 | |
66fb9763 | 9963 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 9964 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
9965 | if (copy_to_user_timeval(arg2, |
9966 | &value.it_interval) | |
9967 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
9968 | &value.it_value)) | |
2852aafd | 9969 | return -TARGET_EFAULT; |
66fb9763 FB |
9970 | } |
9971 | } | |
72eb7ea8 | 9972 | return ret; |
704eff6c | 9973 | #ifdef TARGET_NR_stat |
31e31b8a | 9974 | case TARGET_NR_stat: |
2852aafd RH |
9975 | if (!(p = lock_user_string(arg1))) { |
9976 | return -TARGET_EFAULT; | |
9977 | } | |
53a5960a PB |
9978 | ret = get_errno(stat(path(p), &st)); |
9979 | unlock_user(p, arg1, 0); | |
31e31b8a | 9980 | goto do_stat; |
704eff6c CG |
9981 | #endif |
9982 | #ifdef TARGET_NR_lstat | |
31e31b8a | 9983 | case TARGET_NR_lstat: |
2852aafd RH |
9984 | if (!(p = lock_user_string(arg1))) { |
9985 | return -TARGET_EFAULT; | |
9986 | } | |
53a5960a PB |
9987 | ret = get_errno(lstat(path(p), &st)); |
9988 | unlock_user(p, arg1, 0); | |
31e31b8a | 9989 | goto do_stat; |
704eff6c | 9990 | #endif |
4f7f8924 | 9991 | #ifdef TARGET_NR_fstat |
31e31b8a FB |
9992 | case TARGET_NR_fstat: |
9993 | { | |
9994 | ret = get_errno(fstat(arg1, &st)); | |
704eff6c | 9995 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat) |
31e31b8a | 9996 | do_stat: |
704eff6c | 9997 | #endif |
31e31b8a | 9998 | if (!is_error(ret)) { |
53a5960a | 9999 | struct target_stat *target_st; |
e3584658 | 10000 | |
579a97f7 | 10001 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
2852aafd | 10002 | return -TARGET_EFAULT; |
12727917 | 10003 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
10004 | __put_user(st.st_dev, &target_st->st_dev); |
10005 | __put_user(st.st_ino, &target_st->st_ino); | |
10006 | __put_user(st.st_mode, &target_st->st_mode); | |
10007 | __put_user(st.st_uid, &target_st->st_uid); | |
10008 | __put_user(st.st_gid, &target_st->st_gid); | |
10009 | __put_user(st.st_nlink, &target_st->st_nlink); | |
10010 | __put_user(st.st_rdev, &target_st->st_rdev); | |
10011 | __put_user(st.st_size, &target_st->st_size); | |
10012 | __put_user(st.st_blksize, &target_st->st_blksize); | |
10013 | __put_user(st.st_blocks, &target_st->st_blocks); | |
10014 | __put_user(st.st_atime, &target_st->target_st_atime); | |
10015 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
10016 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
5f992db6 CYT |
10017 | #if (_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700) && \ |
10018 | defined(TARGET_STAT_HAVE_NSEC) | |
10019 | __put_user(st.st_atim.tv_nsec, | |
10020 | &target_st->target_st_atime_nsec); | |
10021 | __put_user(st.st_mtim.tv_nsec, | |
10022 | &target_st->target_st_mtime_nsec); | |
10023 | __put_user(st.st_ctim.tv_nsec, | |
10024 | &target_st->target_st_ctime_nsec); | |
10025 | #endif | |
53a5960a | 10026 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
10027 | } |
10028 | } | |
72eb7ea8 | 10029 | return ret; |
ebc05488 | 10030 | #endif |
31e31b8a | 10031 | case TARGET_NR_vhangup: |
72eb7ea8 | 10032 | return get_errno(vhangup()); |
42ad6ae9 FB |
10033 | #ifdef TARGET_NR_syscall |
10034 | case TARGET_NR_syscall: | |
72eb7ea8 RH |
10035 | return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
10036 | arg6, arg7, arg8, 0); | |
ebc05488 | 10037 | #endif |
859e8a89 | 10038 | #if defined(TARGET_NR_wait4) |
31e31b8a FB |
10039 | case TARGET_NR_wait4: |
10040 | { | |
10041 | int status; | |
992f48a0 | 10042 | abi_long status_ptr = arg2; |
31e31b8a | 10043 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 10044 | abi_ulong target_rusage = arg4; |
a39fb273 | 10045 | abi_long rusage_err; |
31e31b8a FB |
10046 | if (target_rusage) |
10047 | rusage_ptr = &rusage; | |
10048 | else | |
10049 | rusage_ptr = NULL; | |
4af80a37 | 10050 | ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr)); |
31e31b8a | 10051 | if (!is_error(ret)) { |
5379557b | 10052 | if (status_ptr && ret) { |
1d9d8b55 | 10053 | status = host_to_target_waitstatus(status); |
2f619698 | 10054 | if (put_user_s32(status, status_ptr)) |
2852aafd | 10055 | return -TARGET_EFAULT; |
31e31b8a | 10056 | } |
a39fb273 PJ |
10057 | if (target_rusage) { |
10058 | rusage_err = host_to_target_rusage(target_rusage, &rusage); | |
10059 | if (rusage_err) { | |
10060 | ret = rusage_err; | |
10061 | } | |
10062 | } | |
31e31b8a FB |
10063 | } |
10064 | } | |
72eb7ea8 | 10065 | return ret; |
859e8a89 | 10066 | #endif |
e5febef5 | 10067 | #ifdef TARGET_NR_swapoff |
31e31b8a | 10068 | case TARGET_NR_swapoff: |
579a97f7 | 10069 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10070 | return -TARGET_EFAULT; |
53a5960a PB |
10071 | ret = get_errno(swapoff(p)); |
10072 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10073 | return ret; |
e5febef5 | 10074 | #endif |
31e31b8a | 10075 | case TARGET_NR_sysinfo: |
a5448a7d | 10076 | { |
53a5960a | 10077 | struct target_sysinfo *target_value; |
a5448a7d FB |
10078 | struct sysinfo value; |
10079 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 10080 | if (!is_error(ret) && arg1) |
a5448a7d | 10081 | { |
579a97f7 | 10082 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
2852aafd | 10083 | return -TARGET_EFAULT; |
a5448a7d FB |
10084 | __put_user(value.uptime, &target_value->uptime); |
10085 | __put_user(value.loads[0], &target_value->loads[0]); | |
10086 | __put_user(value.loads[1], &target_value->loads[1]); | |
10087 | __put_user(value.loads[2], &target_value->loads[2]); | |
10088 | __put_user(value.totalram, &target_value->totalram); | |
10089 | __put_user(value.freeram, &target_value->freeram); | |
10090 | __put_user(value.sharedram, &target_value->sharedram); | |
10091 | __put_user(value.bufferram, &target_value->bufferram); | |
10092 | __put_user(value.totalswap, &target_value->totalswap); | |
10093 | __put_user(value.freeswap, &target_value->freeswap); | |
10094 | __put_user(value.procs, &target_value->procs); | |
10095 | __put_user(value.totalhigh, &target_value->totalhigh); | |
10096 | __put_user(value.freehigh, &target_value->freehigh); | |
10097 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 10098 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
10099 | } |
10100 | } | |
72eb7ea8 | 10101 | return ret; |
e5febef5 | 10102 | #ifdef TARGET_NR_ipc |
31e31b8a | 10103 | case TARGET_NR_ipc: |
72eb7ea8 | 10104 | return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); |
e5febef5 | 10105 | #endif |
e5289087 AJ |
10106 | #ifdef TARGET_NR_semget |
10107 | case TARGET_NR_semget: | |
72eb7ea8 | 10108 | return get_errno(semget(arg1, arg2, arg3)); |
e5289087 AJ |
10109 | #endif |
10110 | #ifdef TARGET_NR_semop | |
10111 | case TARGET_NR_semop: | |
cac46eb0 | 10112 | return do_semtimedop(arg1, arg2, arg3, 0, false); |
d8c08b1e MK |
10113 | #endif |
10114 | #ifdef TARGET_NR_semtimedop | |
10115 | case TARGET_NR_semtimedop: | |
cac46eb0 FB |
10116 | return do_semtimedop(arg1, arg2, arg3, arg4, false); |
10117 | #endif | |
10118 | #ifdef TARGET_NR_semtimedop_time64 | |
10119 | case TARGET_NR_semtimedop_time64: | |
10120 | return do_semtimedop(arg1, arg2, arg3, arg4, true); | |
e5289087 AJ |
10121 | #endif |
10122 | #ifdef TARGET_NR_semctl | |
10123 | case TARGET_NR_semctl: | |
72eb7ea8 | 10124 | return do_semctl(arg1, arg2, arg3, arg4); |
e5289087 | 10125 | #endif |
eeb438c1 AJ |
10126 | #ifdef TARGET_NR_msgctl |
10127 | case TARGET_NR_msgctl: | |
72eb7ea8 | 10128 | return do_msgctl(arg1, arg2, arg3); |
eeb438c1 AJ |
10129 | #endif |
10130 | #ifdef TARGET_NR_msgget | |
10131 | case TARGET_NR_msgget: | |
72eb7ea8 | 10132 | return get_errno(msgget(arg1, arg2)); |
eeb438c1 AJ |
10133 | #endif |
10134 | #ifdef TARGET_NR_msgrcv | |
10135 | case TARGET_NR_msgrcv: | |
72eb7ea8 | 10136 | return do_msgrcv(arg1, arg2, arg3, arg4, arg5); |
eeb438c1 AJ |
10137 | #endif |
10138 | #ifdef TARGET_NR_msgsnd | |
10139 | case TARGET_NR_msgsnd: | |
72eb7ea8 | 10140 | return do_msgsnd(arg1, arg2, arg3, arg4); |
88a8c984 RV |
10141 | #endif |
10142 | #ifdef TARGET_NR_shmget | |
10143 | case TARGET_NR_shmget: | |
72eb7ea8 | 10144 | return get_errno(shmget(arg1, arg2, arg3)); |
88a8c984 RV |
10145 | #endif |
10146 | #ifdef TARGET_NR_shmctl | |
10147 | case TARGET_NR_shmctl: | |
72eb7ea8 | 10148 | return do_shmctl(arg1, arg2, arg3); |
88a8c984 RV |
10149 | #endif |
10150 | #ifdef TARGET_NR_shmat | |
10151 | case TARGET_NR_shmat: | |
72eb7ea8 | 10152 | return do_shmat(cpu_env, arg1, arg2, arg3); |
88a8c984 RV |
10153 | #endif |
10154 | #ifdef TARGET_NR_shmdt | |
10155 | case TARGET_NR_shmdt: | |
72eb7ea8 | 10156 | return do_shmdt(arg1); |
eeb438c1 | 10157 | #endif |
31e31b8a | 10158 | case TARGET_NR_fsync: |
72eb7ea8 | 10159 | return get_errno(fsync(arg1)); |
31e31b8a | 10160 | case TARGET_NR_clone: |
4ce6243d PM |
10161 | /* Linux manages to have three different orderings for its |
10162 | * arguments to clone(); the BACKWARDS and BACKWARDS2 defines | |
10163 | * match the kernel's CONFIG_CLONE_* settings. | |
10164 | * Microblaze is further special in that it uses a sixth | |
10165 | * implicit argument to clone for the TLS pointer. | |
10166 | */ | |
10167 | #if defined(TARGET_MICROBLAZE) | |
a5b3bdcb | 10168 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
4ce6243d PM |
10169 | #elif defined(TARGET_CLONE_BACKWARDS) |
10170 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); | |
10171 | #elif defined(TARGET_CLONE_BACKWARDS2) | |
a4c075f1 | 10172 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
0b6d3ae0 | 10173 | #else |
4ce6243d | 10174 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
0b6d3ae0 | 10175 | #endif |
72eb7ea8 | 10176 | return ret; |
ec86b0fb FB |
10177 | #ifdef __NR_exit_group |
10178 | /* new thread calls */ | |
10179 | case TARGET_NR_exit_group: | |
708b6a64 | 10180 | preexit_cleanup(cpu_env, arg1); |
72eb7ea8 | 10181 | return get_errno(exit_group(arg1)); |
ec86b0fb | 10182 | #endif |
31e31b8a | 10183 | case TARGET_NR_setdomainname: |
579a97f7 | 10184 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10185 | return -TARGET_EFAULT; |
53a5960a PB |
10186 | ret = get_errno(setdomainname(p, arg2)); |
10187 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10188 | return ret; |
31e31b8a FB |
10189 | case TARGET_NR_uname: |
10190 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
10191 | { |
10192 | struct new_utsname * buf; | |
3b46e624 | 10193 | |
579a97f7 | 10194 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
2852aafd | 10195 | return -TARGET_EFAULT; |
29e619b1 FB |
10196 | ret = get_errno(sys_uname(buf)); |
10197 | if (!is_error(ret)) { | |
332c9781 | 10198 | /* Overwrite the native machine name with whatever is being |
29e619b1 | 10199 | emulated. */ |
871f95c6 PMD |
10200 | g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env), |
10201 | sizeof(buf->machine)); | |
c5937220 | 10202 | /* Allow the user to override the reported release. */ |
332c9781 PM |
10203 | if (qemu_uname_release && *qemu_uname_release) { |
10204 | g_strlcpy(buf->release, qemu_uname_release, | |
10205 | sizeof(buf->release)); | |
10206 | } | |
29e619b1 | 10207 | } |
53a5960a | 10208 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 10209 | } |
72eb7ea8 | 10210 | return ret; |
6dbad63e | 10211 | #ifdef TARGET_I386 |
31e31b8a | 10212 | case TARGET_NR_modify_ldt: |
72eb7ea8 | 10213 | return do_modify_ldt(cpu_env, arg1, arg2, arg3); |
84409ddb | 10214 | #if !defined(TARGET_X86_64) |
5cd4393b | 10215 | case TARGET_NR_vm86: |
72eb7ea8 | 10216 | return do_vm86(cpu_env, arg1, arg2); |
84409ddb | 10217 | #endif |
6dbad63e | 10218 | #endif |
859e8a89 | 10219 | #if defined(TARGET_NR_adjtimex) |
31e31b8a | 10220 | case TARGET_NR_adjtimex: |
19f59bce AM |
10221 | { |
10222 | struct timex host_buf; | |
10223 | ||
10224 | if (target_to_host_timex(&host_buf, arg1) != 0) { | |
2852aafd | 10225 | return -TARGET_EFAULT; |
19f59bce AM |
10226 | } |
10227 | ret = get_errno(adjtimex(&host_buf)); | |
10228 | if (!is_error(ret)) { | |
10229 | if (host_to_target_timex(arg1, &host_buf) != 0) { | |
2852aafd | 10230 | return -TARGET_EFAULT; |
19f59bce AM |
10231 | } |
10232 | } | |
10233 | } | |
72eb7ea8 | 10234 | return ret; |
859e8a89 | 10235 | #endif |
38860a03 AM |
10236 | #if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME) |
10237 | case TARGET_NR_clock_adjtime: | |
10238 | { | |
10239 | struct timex htx, *phtx = &htx; | |
10240 | ||
10241 | if (target_to_host_timex(phtx, arg2) != 0) { | |
2852aafd | 10242 | return -TARGET_EFAULT; |
38860a03 AM |
10243 | } |
10244 | ret = get_errno(clock_adjtime(arg1, phtx)); | |
10245 | if (!is_error(ret) && phtx) { | |
10246 | if (host_to_target_timex(arg2, phtx) != 0) { | |
2852aafd | 10247 | return -TARGET_EFAULT; |
38860a03 AM |
10248 | } |
10249 | } | |
10250 | } | |
72eb7ea8 | 10251 | return ret; |
6ac03b2c FB |
10252 | #endif |
10253 | #if defined(TARGET_NR_clock_adjtime64) && defined(CONFIG_CLOCK_ADJTIME) | |
10254 | case TARGET_NR_clock_adjtime64: | |
10255 | { | |
10256 | struct timex htx; | |
10257 | ||
10258 | if (target_to_host_timex64(&htx, arg2) != 0) { | |
10259 | return -TARGET_EFAULT; | |
10260 | } | |
10261 | ret = get_errno(clock_adjtime(arg1, &htx)); | |
10262 | if (!is_error(ret) && host_to_target_timex64(arg2, &htx)) { | |
10263 | return -TARGET_EFAULT; | |
10264 | } | |
10265 | } | |
10266 | return ret; | |
38860a03 | 10267 | #endif |
31e31b8a | 10268 | case TARGET_NR_getpgid: |
72eb7ea8 | 10269 | return get_errno(getpgid(arg1)); |
31e31b8a | 10270 | case TARGET_NR_fchdir: |
72eb7ea8 | 10271 | return get_errno(fchdir(arg1)); |
31e31b8a | 10272 | case TARGET_NR_personality: |
72eb7ea8 | 10273 | return get_errno(personality(arg1)); |
7a3148a9 | 10274 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
10275 | case TARGET_NR__llseek: |
10276 | { | |
0c1592d9 | 10277 | int64_t res; |
d35b261c | 10278 | #if !defined(__NR_llseek) |
9fea273c | 10279 | res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5); |
0c1592d9 PM |
10280 | if (res == -1) { |
10281 | ret = get_errno(res); | |
10282 | } else { | |
10283 | ret = 0; | |
10284 | } | |
4f2ac237 | 10285 | #else |
31e31b8a | 10286 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 10287 | #endif |
0c1592d9 | 10288 | if ((ret == 0) && put_user_s64(res, arg4)) { |
2852aafd | 10289 | return -TARGET_EFAULT; |
0c1592d9 | 10290 | } |
31e31b8a | 10291 | } |
72eb7ea8 | 10292 | return ret; |
7a3148a9 | 10293 | #endif |
704eff6c | 10294 | #ifdef TARGET_NR_getdents |
31e31b8a | 10295 | case TARGET_NR_getdents: |
2b3f64cb | 10296 | #ifdef EMULATE_GETDENTS_WITH_GETDENTS |
d83c8733 | 10297 | #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
4add45b4 | 10298 | { |
53a5960a | 10299 | struct target_dirent *target_dirp; |
6556a833 | 10300 | struct linux_dirent *dirp; |
992f48a0 | 10301 | abi_long count = arg3; |
4add45b4 | 10302 | |
0e173b24 HK |
10303 | dirp = g_try_malloc(count); |
10304 | if (!dirp) { | |
259841c1 | 10305 | return -TARGET_ENOMEM; |
0da46a6e | 10306 | } |
3b46e624 | 10307 | |
4add45b4 FB |
10308 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
10309 | if (!is_error(ret)) { | |
6556a833 | 10310 | struct linux_dirent *de; |
4add45b4 FB |
10311 | struct target_dirent *tde; |
10312 | int len = ret; | |
10313 | int reclen, treclen; | |
10314 | int count1, tnamelen; | |
10315 | ||
10316 | count1 = 0; | |
10317 | de = dirp; | |
579a97f7 | 10318 | if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 10319 | return -TARGET_EFAULT; |
4add45b4 FB |
10320 | tde = target_dirp; |
10321 | while (len > 0) { | |
10322 | reclen = de->d_reclen; | |
333858b7 DL |
10323 | tnamelen = reclen - offsetof(struct linux_dirent, d_name); |
10324 | assert(tnamelen >= 0); | |
10325 | treclen = tnamelen + offsetof(struct target_dirent, d_name); | |
10326 | assert(count1 + treclen <= count); | |
4add45b4 | 10327 | tde->d_reclen = tswap16(treclen); |
cbb21eed MB |
10328 | tde->d_ino = tswapal(de->d_ino); |
10329 | tde->d_off = tswapal(de->d_off); | |
333858b7 | 10330 | memcpy(tde->d_name, de->d_name, tnamelen); |
6556a833 | 10331 | de = (struct linux_dirent *)((char *)de + reclen); |
4add45b4 | 10332 | len -= reclen; |
1c5bf3bf | 10333 | tde = (struct target_dirent *)((char *)tde + treclen); |
4add45b4 FB |
10334 | count1 += treclen; |
10335 | } | |
10336 | ret = count1; | |
579a97f7 | 10337 | unlock_user(target_dirp, arg2, ret); |
4add45b4 | 10338 | } |
0e173b24 | 10339 | g_free(dirp); |
4add45b4 FB |
10340 | } |
10341 | #else | |
31e31b8a | 10342 | { |
6556a833 | 10343 | struct linux_dirent *dirp; |
992f48a0 | 10344 | abi_long count = arg3; |
dab2ed99 | 10345 | |
579a97f7 | 10346 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 10347 | return -TARGET_EFAULT; |
72f03900 | 10348 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
31e31b8a | 10349 | if (!is_error(ret)) { |
6556a833 | 10350 | struct linux_dirent *de; |
31e31b8a FB |
10351 | int len = ret; |
10352 | int reclen; | |
10353 | de = dirp; | |
10354 | while (len > 0) { | |
8083a3e5 | 10355 | reclen = de->d_reclen; |
31e31b8a FB |
10356 | if (reclen > len) |
10357 | break; | |
8083a3e5 | 10358 | de->d_reclen = tswap16(reclen); |
31e31b8a FB |
10359 | tswapls(&de->d_ino); |
10360 | tswapls(&de->d_off); | |
6556a833 | 10361 | de = (struct linux_dirent *)((char *)de + reclen); |
31e31b8a FB |
10362 | len -= reclen; |
10363 | } | |
10364 | } | |
53a5960a | 10365 | unlock_user(dirp, arg2, ret); |
3307e236 PM |
10366 | } |
10367 | #endif | |
10368 | #else | |
10369 | /* Implement getdents in terms of getdents64 */ | |
10370 | { | |
10371 | struct linux_dirent64 *dirp; | |
10372 | abi_long count = arg3; | |
10373 | ||
10374 | dirp = lock_user(VERIFY_WRITE, arg2, count, 0); | |
10375 | if (!dirp) { | |
2852aafd | 10376 | return -TARGET_EFAULT; |
3307e236 PM |
10377 | } |
10378 | ret = get_errno(sys_getdents64(arg1, dirp, count)); | |
10379 | if (!is_error(ret)) { | |
10380 | /* Convert the dirent64 structs to target dirent. We do this | |
10381 | * in-place, since we can guarantee that a target_dirent is no | |
10382 | * larger than a dirent64; however this means we have to be | |
10383 | * careful to read everything before writing in the new format. | |
10384 | */ | |
10385 | struct linux_dirent64 *de; | |
10386 | struct target_dirent *tde; | |
10387 | int len = ret; | |
10388 | int tlen = 0; | |
10389 | ||
10390 | de = dirp; | |
10391 | tde = (struct target_dirent *)dirp; | |
10392 | while (len > 0) { | |
10393 | int namelen, treclen; | |
10394 | int reclen = de->d_reclen; | |
10395 | uint64_t ino = de->d_ino; | |
10396 | int64_t off = de->d_off; | |
10397 | uint8_t type = de->d_type; | |
10398 | ||
10399 | namelen = strlen(de->d_name); | |
10400 | treclen = offsetof(struct target_dirent, d_name) | |
10401 | + namelen + 2; | |
10402 | treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long)); | |
10403 | ||
10404 | memmove(tde->d_name, de->d_name, namelen + 1); | |
10405 | tde->d_ino = tswapal(ino); | |
10406 | tde->d_off = tswapal(off); | |
10407 | tde->d_reclen = tswap16(treclen); | |
10408 | /* The target_dirent type is in what was formerly a padding | |
10409 | * byte at the end of the structure: | |
10410 | */ | |
10411 | *(((char *)tde) + treclen - 1) = type; | |
10412 | ||
10413 | de = (struct linux_dirent64 *)((char *)de + reclen); | |
10414 | tde = (struct target_dirent *)((char *)tde + treclen); | |
10415 | len -= reclen; | |
10416 | tlen += treclen; | |
10417 | } | |
10418 | ret = tlen; | |
10419 | } | |
10420 | unlock_user(dirp, arg2, ret); | |
31e31b8a | 10421 | } |
4add45b4 | 10422 | #endif |
72eb7ea8 | 10423 | return ret; |
704eff6c | 10424 | #endif /* TARGET_NR_getdents */ |
3ae43202 | 10425 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 FB |
10426 | case TARGET_NR_getdents64: |
10427 | { | |
6556a833 | 10428 | struct linux_dirent64 *dirp; |
992f48a0 | 10429 | abi_long count = arg3; |
579a97f7 | 10430 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 10431 | return -TARGET_EFAULT; |
dab2ed99 FB |
10432 | ret = get_errno(sys_getdents64(arg1, dirp, count)); |
10433 | if (!is_error(ret)) { | |
6556a833 | 10434 | struct linux_dirent64 *de; |
dab2ed99 FB |
10435 | int len = ret; |
10436 | int reclen; | |
10437 | de = dirp; | |
10438 | while (len > 0) { | |
8083a3e5 | 10439 | reclen = de->d_reclen; |
dab2ed99 FB |
10440 | if (reclen > len) |
10441 | break; | |
8083a3e5 | 10442 | de->d_reclen = tswap16(reclen); |
8582a53a FB |
10443 | tswap64s((uint64_t *)&de->d_ino); |
10444 | tswap64s((uint64_t *)&de->d_off); | |
6556a833 | 10445 | de = (struct linux_dirent64 *)((char *)de + reclen); |
dab2ed99 FB |
10446 | len -= reclen; |
10447 | } | |
10448 | } | |
53a5960a | 10449 | unlock_user(dirp, arg2, ret); |
dab2ed99 | 10450 | } |
72eb7ea8 | 10451 | return ret; |
a541f297 | 10452 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 10453 | #if defined(TARGET_NR__newselect) |
31e31b8a | 10454 | case TARGET_NR__newselect: |
72eb7ea8 | 10455 | return do_select(arg1, arg2, arg3, arg4, arg5); |
e5febef5 | 10456 | #endif |
e5ce9688 | 10457 | #ifdef TARGET_NR_poll |
9de5e440 | 10458 | case TARGET_NR_poll: |
e5ce9688 FB |
10459 | return do_ppoll(arg1, arg2, arg3, arg4, arg5, false, false); |
10460 | #endif | |
10461 | #ifdef TARGET_NR_ppoll | |
d8035d4c | 10462 | case TARGET_NR_ppoll: |
e5ce9688 FB |
10463 | return do_ppoll(arg1, arg2, arg3, arg4, arg5, true, false); |
10464 | #endif | |
10465 | #ifdef TARGET_NR_ppoll_time64 | |
10466 | case TARGET_NR_ppoll_time64: | |
10467 | return do_ppoll(arg1, arg2, arg3, arg4, arg5, true, true); | |
e5febef5 | 10468 | #endif |
31e31b8a | 10469 | case TARGET_NR_flock: |
9de5e440 FB |
10470 | /* NOTE: the flock constant seems to be the same for every |
10471 | Linux platform */ | |
72eb7ea8 | 10472 | return get_errno(safe_flock(arg1, arg2)); |
31e31b8a FB |
10473 | case TARGET_NR_readv: |
10474 | { | |
f287b2c2 RH |
10475 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
10476 | if (vec != NULL) { | |
918c03ed | 10477 | ret = get_errno(safe_readv(arg1, vec, arg3)); |
f287b2c2 RH |
10478 | unlock_iovec(vec, arg2, arg3, 1); |
10479 | } else { | |
10480 | ret = -host_to_target_errno(errno); | |
10481 | } | |
31e31b8a | 10482 | } |
72eb7ea8 | 10483 | return ret; |
31e31b8a FB |
10484 | case TARGET_NR_writev: |
10485 | { | |
f287b2c2 RH |
10486 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
10487 | if (vec != NULL) { | |
918c03ed | 10488 | ret = get_errno(safe_writev(arg1, vec, arg3)); |
f287b2c2 RH |
10489 | unlock_iovec(vec, arg2, arg3, 0); |
10490 | } else { | |
10491 | ret = -host_to_target_errno(errno); | |
10492 | } | |
31e31b8a | 10493 | } |
72eb7ea8 | 10494 | return ret; |
0f26386c DJ |
10495 | #if defined(TARGET_NR_preadv) |
10496 | case TARGET_NR_preadv: | |
10497 | { | |
10498 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); | |
10499 | if (vec != NULL) { | |
9ac22517 MF |
10500 | unsigned long low, high; |
10501 | ||
10502 | target_to_host_low_high(arg4, arg5, &low, &high); | |
10503 | ret = get_errno(safe_preadv(arg1, vec, arg3, low, high)); | |
0f26386c DJ |
10504 | unlock_iovec(vec, arg2, arg3, 1); |
10505 | } else { | |
10506 | ret = -host_to_target_errno(errno); | |
f8d00fba DJ |
10507 | } |
10508 | } | |
72eb7ea8 | 10509 | return ret; |
f8d00fba DJ |
10510 | #endif |
10511 | #if defined(TARGET_NR_pwritev) | |
10512 | case TARGET_NR_pwritev: | |
10513 | { | |
10514 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); | |
10515 | if (vec != NULL) { | |
9ac22517 MF |
10516 | unsigned long low, high; |
10517 | ||
10518 | target_to_host_low_high(arg4, arg5, &low, &high); | |
10519 | ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high)); | |
f8d00fba DJ |
10520 | unlock_iovec(vec, arg2, arg3, 0); |
10521 | } else { | |
10522 | ret = -host_to_target_errno(errno); | |
0f26386c DJ |
10523 | } |
10524 | } | |
72eb7ea8 | 10525 | return ret; |
0f26386c | 10526 | #endif |
31e31b8a | 10527 | case TARGET_NR_getsid: |
72eb7ea8 | 10528 | return get_errno(getsid(arg1)); |
7a3148a9 | 10529 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 10530 | case TARGET_NR_fdatasync: |
72eb7ea8 | 10531 | return get_errno(fdatasync(arg1)); |
704eff6c | 10532 | #endif |
737de1d1 MF |
10533 | case TARGET_NR_sched_getaffinity: |
10534 | { | |
10535 | unsigned int mask_size; | |
10536 | unsigned long *mask; | |
10537 | ||
10538 | /* | |
10539 | * sched_getaffinity needs multiples of ulong, so need to take | |
10540 | * care of mismatches between target ulong and host ulong sizes. | |
10541 | */ | |
10542 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 10543 | return -TARGET_EINVAL; |
737de1d1 MF |
10544 | } |
10545 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
10546 | ||
10547 | mask = alloca(mask_size); | |
2e0a8713 | 10548 | memset(mask, 0, mask_size); |
737de1d1 MF |
10549 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); |
10550 | ||
10551 | if (!is_error(ret)) { | |
be3bd286 PM |
10552 | if (ret > arg2) { |
10553 | /* More data returned than the caller's buffer will fit. | |
10554 | * This only happens if sizeof(abi_long) < sizeof(long) | |
10555 | * and the caller passed us a buffer holding an odd number | |
10556 | * of abi_longs. If the host kernel is actually using the | |
10557 | * extra 4 bytes then fail EINVAL; otherwise we can just | |
10558 | * ignore them and only copy the interesting part. | |
10559 | */ | |
10560 | int numcpus = sysconf(_SC_NPROCESSORS_CONF); | |
10561 | if (numcpus > arg2 * 8) { | |
72eb7ea8 | 10562 | return -TARGET_EINVAL; |
be3bd286 PM |
10563 | } |
10564 | ret = arg2; | |
10565 | } | |
10566 | ||
5fdefcf8 | 10567 | if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) { |
2852aafd | 10568 | return -TARGET_EFAULT; |
5fdefcf8 | 10569 | } |
737de1d1 MF |
10570 | } |
10571 | } | |
72eb7ea8 | 10572 | return ret; |
737de1d1 MF |
10573 | case TARGET_NR_sched_setaffinity: |
10574 | { | |
10575 | unsigned int mask_size; | |
10576 | unsigned long *mask; | |
10577 | ||
10578 | /* | |
10579 | * sched_setaffinity needs multiples of ulong, so need to take | |
10580 | * care of mismatches between target ulong and host ulong sizes. | |
10581 | */ | |
10582 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 10583 | return -TARGET_EINVAL; |
737de1d1 MF |
10584 | } |
10585 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
737de1d1 | 10586 | mask = alloca(mask_size); |
2e0a8713 ST |
10587 | |
10588 | ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2); | |
10589 | if (ret) { | |
72eb7ea8 | 10590 | return ret; |
737de1d1 | 10591 | } |
737de1d1 | 10592 | |
72eb7ea8 | 10593 | return get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); |
737de1d1 | 10594 | } |
b827c3ed ST |
10595 | case TARGET_NR_getcpu: |
10596 | { | |
10597 | unsigned cpu, node; | |
10598 | ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL, | |
10599 | arg2 ? &node : NULL, | |
10600 | NULL)); | |
10601 | if (is_error(ret)) { | |
259841c1 | 10602 | return ret; |
b827c3ed ST |
10603 | } |
10604 | if (arg1 && put_user_u32(cpu, arg1)) { | |
2852aafd | 10605 | return -TARGET_EFAULT; |
b827c3ed ST |
10606 | } |
10607 | if (arg2 && put_user_u32(node, arg2)) { | |
2852aafd | 10608 | return -TARGET_EFAULT; |
b827c3ed ST |
10609 | } |
10610 | } | |
72eb7ea8 | 10611 | return ret; |
31e31b8a | 10612 | case TARGET_NR_sched_setparam: |
5cd4393b | 10613 | { |
53a5960a | 10614 | struct sched_param *target_schp; |
5cd4393b | 10615 | struct sched_param schp; |
53a5960a | 10616 | |
a1d5c5b2 TM |
10617 | if (arg2 == 0) { |
10618 | return -TARGET_EINVAL; | |
10619 | } | |
579a97f7 | 10620 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
2852aafd | 10621 | return -TARGET_EFAULT; |
5cd4393b | 10622 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 10623 | unlock_user_struct(target_schp, arg2, 0); |
72eb7ea8 | 10624 | return get_errno(sched_setparam(arg1, &schp)); |
5cd4393b | 10625 | } |
31e31b8a | 10626 | case TARGET_NR_sched_getparam: |
5cd4393b | 10627 | { |
53a5960a | 10628 | struct sched_param *target_schp; |
5cd4393b | 10629 | struct sched_param schp; |
a1d5c5b2 TM |
10630 | |
10631 | if (arg2 == 0) { | |
10632 | return -TARGET_EINVAL; | |
10633 | } | |
5cd4393b FB |
10634 | ret = get_errno(sched_getparam(arg1, &schp)); |
10635 | if (!is_error(ret)) { | |
579a97f7 | 10636 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
2852aafd | 10637 | return -TARGET_EFAULT; |
5cd4393b | 10638 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 10639 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
10640 | } |
10641 | } | |
72eb7ea8 | 10642 | return ret; |
31e31b8a | 10643 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 10644 | { |
53a5960a | 10645 | struct sched_param *target_schp; |
5cd4393b | 10646 | struct sched_param schp; |
a1d5c5b2 TM |
10647 | if (arg3 == 0) { |
10648 | return -TARGET_EINVAL; | |
10649 | } | |
579a97f7 | 10650 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
2852aafd | 10651 | return -TARGET_EFAULT; |
5cd4393b | 10652 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 10653 | unlock_user_struct(target_schp, arg3, 0); |
72eb7ea8 | 10654 | return get_errno(sched_setscheduler(arg1, arg2, &schp)); |
5cd4393b | 10655 | } |
31e31b8a | 10656 | case TARGET_NR_sched_getscheduler: |
72eb7ea8 | 10657 | return get_errno(sched_getscheduler(arg1)); |
31e31b8a | 10658 | case TARGET_NR_sched_yield: |
72eb7ea8 | 10659 | return get_errno(sched_yield()); |
31e31b8a | 10660 | case TARGET_NR_sched_get_priority_max: |
72eb7ea8 | 10661 | return get_errno(sched_get_priority_max(arg1)); |
31e31b8a | 10662 | case TARGET_NR_sched_get_priority_min: |
72eb7ea8 | 10663 | return get_errno(sched_get_priority_min(arg1)); |
859e8a89 | 10664 | #ifdef TARGET_NR_sched_rr_get_interval |
31e31b8a | 10665 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 10666 | { |
5cd4393b FB |
10667 | struct timespec ts; |
10668 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
10669 | if (!is_error(ret)) { | |
d4290c40 | 10670 | ret = host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
10671 | } |
10672 | } | |
72eb7ea8 | 10673 | return ret; |
859e8a89 | 10674 | #endif |
ddcbde15 FB |
10675 | #ifdef TARGET_NR_sched_rr_get_interval_time64 |
10676 | case TARGET_NR_sched_rr_get_interval_time64: | |
10677 | { | |
10678 | struct timespec ts; | |
10679 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
10680 | if (!is_error(ret)) { | |
10681 | ret = host_to_target_timespec64(arg2, &ts); | |
10682 | } | |
10683 | } | |
10684 | return ret; | |
10685 | #endif | |
859e8a89 | 10686 | #if defined(TARGET_NR_nanosleep) |
31e31b8a | 10687 | case TARGET_NR_nanosleep: |
1b6b029e | 10688 | { |
1b6b029e | 10689 | struct timespec req, rem; |
53a5960a | 10690 | target_to_host_timespec(&req, arg1); |
9e518226 | 10691 | ret = get_errno(safe_nanosleep(&req, &rem)); |
53a5960a PB |
10692 | if (is_error(ret) && arg2) { |
10693 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
10694 | } |
10695 | } | |
72eb7ea8 | 10696 | return ret; |
859e8a89 | 10697 | #endif |
31e31b8a | 10698 | case TARGET_NR_prctl: |
1e6722f8 PM |
10699 | switch (arg1) { |
10700 | case PR_GET_PDEATHSIG: | |
10701 | { | |
10702 | int deathsig; | |
10703 | ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); | |
10704 | if (!is_error(ret) && arg2 | |
d9a5eba4 | 10705 | && put_user_s32(deathsig, arg2)) { |
2852aafd | 10706 | return -TARGET_EFAULT; |
e5574487 | 10707 | } |
72eb7ea8 | 10708 | return ret; |
1e6722f8 | 10709 | } |
db9526b1 PM |
10710 | #ifdef PR_GET_NAME |
10711 | case PR_GET_NAME: | |
10712 | { | |
10713 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
10714 | if (!name) { | |
2852aafd | 10715 | return -TARGET_EFAULT; |
db9526b1 PM |
10716 | } |
10717 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
10718 | arg3, arg4, arg5)); | |
10719 | unlock_user(name, arg2, 16); | |
72eb7ea8 | 10720 | return ret; |
db9526b1 PM |
10721 | } |
10722 | case PR_SET_NAME: | |
10723 | { | |
10724 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
10725 | if (!name) { | |
2852aafd | 10726 | return -TARGET_EFAULT; |
db9526b1 PM |
10727 | } |
10728 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
10729 | arg3, arg4, arg5)); | |
10730 | unlock_user(name, arg2, 0); | |
72eb7ea8 | 10731 | return ret; |
db9526b1 PM |
10732 | } |
10733 | #endif | |
5b702ffd SM |
10734 | #ifdef TARGET_MIPS |
10735 | case TARGET_PR_GET_FP_MODE: | |
64ea3d67 SM |
10736 | { |
10737 | CPUMIPSState *env = ((CPUMIPSState *)cpu_env); | |
10738 | ret = 0; | |
10739 | if (env->CP0_Status & (1 << CP0St_FR)) { | |
10740 | ret |= TARGET_PR_FP_MODE_FR; | |
10741 | } | |
10742 | if (env->CP0_Config5 & (1 << CP0C5_FRE)) { | |
10743 | ret |= TARGET_PR_FP_MODE_FRE; | |
10744 | } | |
10745 | return ret; | |
10746 | } | |
5b702ffd | 10747 | case TARGET_PR_SET_FP_MODE: |
64ea3d67 SM |
10748 | { |
10749 | CPUMIPSState *env = ((CPUMIPSState *)cpu_env); | |
10750 | bool old_fr = env->CP0_Status & (1 << CP0St_FR); | |
6456c510 | 10751 | bool old_fre = env->CP0_Config5 & (1 << CP0C5_FRE); |
64ea3d67 SM |
10752 | bool new_fr = arg2 & TARGET_PR_FP_MODE_FR; |
10753 | bool new_fre = arg2 & TARGET_PR_FP_MODE_FRE; | |
10754 | ||
6456c510 SM |
10755 | const unsigned int known_bits = TARGET_PR_FP_MODE_FR | |
10756 | TARGET_PR_FP_MODE_FRE; | |
10757 | ||
10758 | /* If nothing to change, return right away, successfully. */ | |
10759 | if (old_fr == new_fr && old_fre == new_fre) { | |
10760 | return 0; | |
10761 | } | |
10762 | /* Check the value is valid */ | |
10763 | if (arg2 & ~known_bits) { | |
10764 | return -TARGET_EOPNOTSUPP; | |
10765 | } | |
10766 | /* Setting FRE without FR is not supported. */ | |
10767 | if (new_fre && !new_fr) { | |
10768 | return -TARGET_EOPNOTSUPP; | |
10769 | } | |
64ea3d67 SM |
10770 | if (new_fr && !(env->active_fpu.fcr0 & (1 << FCR0_F64))) { |
10771 | /* FR1 is not supported */ | |
10772 | return -TARGET_EOPNOTSUPP; | |
10773 | } | |
10774 | if (!new_fr && (env->active_fpu.fcr0 & (1 << FCR0_F64)) | |
10775 | && !(env->CP0_Status_rw_bitmask & (1 << CP0St_FR))) { | |
10776 | /* cannot set FR=0 */ | |
10777 | return -TARGET_EOPNOTSUPP; | |
10778 | } | |
10779 | if (new_fre && !(env->active_fpu.fcr0 & (1 << FCR0_FREP))) { | |
10780 | /* Cannot set FRE=1 */ | |
10781 | return -TARGET_EOPNOTSUPP; | |
10782 | } | |
10783 | ||
10784 | int i; | |
10785 | fpr_t *fpr = env->active_fpu.fpr; | |
10786 | for (i = 0; i < 32 ; i += 2) { | |
10787 | if (!old_fr && new_fr) { | |
10788 | fpr[i].w[!FP_ENDIAN_IDX] = fpr[i + 1].w[FP_ENDIAN_IDX]; | |
10789 | } else if (old_fr && !new_fr) { | |
10790 | fpr[i + 1].w[FP_ENDIAN_IDX] = fpr[i].w[!FP_ENDIAN_IDX]; | |
10791 | } | |
10792 | } | |
10793 | ||
10794 | if (new_fr) { | |
10795 | env->CP0_Status |= (1 << CP0St_FR); | |
10796 | env->hflags |= MIPS_HFLAG_F64; | |
10797 | } else { | |
10798 | env->CP0_Status &= ~(1 << CP0St_FR); | |
6456c510 | 10799 | env->hflags &= ~MIPS_HFLAG_F64; |
64ea3d67 SM |
10800 | } |
10801 | if (new_fre) { | |
10802 | env->CP0_Config5 |= (1 << CP0C5_FRE); | |
10803 | if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) { | |
10804 | env->hflags |= MIPS_HFLAG_FRE; | |
10805 | } | |
10806 | } else { | |
10807 | env->CP0_Config5 &= ~(1 << CP0C5_FRE); | |
6456c510 | 10808 | env->hflags &= ~MIPS_HFLAG_FRE; |
64ea3d67 SM |
10809 | } |
10810 | ||
10811 | return 0; | |
10812 | } | |
5b702ffd | 10813 | #endif /* MIPS */ |
85fc7167 RH |
10814 | #ifdef TARGET_AARCH64 |
10815 | case TARGET_PR_SVE_SET_VL: | |
adf92eab RH |
10816 | /* |
10817 | * We cannot support either PR_SVE_SET_VL_ONEXEC or | |
10818 | * PR_SVE_VL_INHERIT. Note the kernel definition | |
10819 | * of sve_vl_valid allows for VQ=512, i.e. VL=8192, | |
10820 | * even though the current architectural maximum is VQ=16. | |
10821 | */ | |
85fc7167 | 10822 | ret = -TARGET_EINVAL; |
2fc0cc0e | 10823 | if (cpu_isar_feature(aa64_sve, env_archcpu(cpu_env)) |
adf92eab | 10824 | && arg2 >= 0 && arg2 <= 512 * 16 && !(arg2 & 15)) { |
85fc7167 | 10825 | CPUARMState *env = cpu_env; |
2fc0cc0e | 10826 | ARMCPU *cpu = env_archcpu(env); |
adf92eab RH |
10827 | uint32_t vq, old_vq; |
10828 | ||
10829 | old_vq = (env->vfp.zcr_el[1] & 0xf) + 1; | |
10830 | vq = MAX(arg2 / 16, 1); | |
10831 | vq = MIN(vq, cpu->sve_max_vq); | |
85fc7167 RH |
10832 | |
10833 | if (vq < old_vq) { | |
10834 | aarch64_sve_narrow_vq(env, vq); | |
10835 | } | |
10836 | env->vfp.zcr_el[1] = vq - 1; | |
a8a79c7a | 10837 | arm_rebuild_hflags(env); |
85fc7167 RH |
10838 | ret = vq * 16; |
10839 | } | |
72eb7ea8 | 10840 | return ret; |
85fc7167 RH |
10841 | case TARGET_PR_SVE_GET_VL: |
10842 | ret = -TARGET_EINVAL; | |
cd208a1c | 10843 | { |
2fc0cc0e | 10844 | ARMCPU *cpu = env_archcpu(cpu_env); |
cd208a1c RH |
10845 | if (cpu_isar_feature(aa64_sve, cpu)) { |
10846 | ret = ((cpu->env.vfp.zcr_el[1] & 0xf) + 1) * 16; | |
10847 | } | |
85fc7167 | 10848 | } |
72eb7ea8 | 10849 | return ret; |
bff63fbf RH |
10850 | case TARGET_PR_PAC_RESET_KEYS: |
10851 | { | |
10852 | CPUARMState *env = cpu_env; | |
2fc0cc0e | 10853 | ARMCPU *cpu = env_archcpu(env); |
bff63fbf RH |
10854 | |
10855 | if (arg3 || arg4 || arg5) { | |
10856 | return -TARGET_EINVAL; | |
10857 | } | |
10858 | if (cpu_isar_feature(aa64_pauth, cpu)) { | |
10859 | int all = (TARGET_PR_PAC_APIAKEY | TARGET_PR_PAC_APIBKEY | | |
10860 | TARGET_PR_PAC_APDAKEY | TARGET_PR_PAC_APDBKEY | | |
10861 | TARGET_PR_PAC_APGAKEY); | |
51977e25 RH |
10862 | int ret = 0; |
10863 | Error *err = NULL; | |
10864 | ||
bff63fbf RH |
10865 | if (arg2 == 0) { |
10866 | arg2 = all; | |
10867 | } else if (arg2 & ~all) { | |
10868 | return -TARGET_EINVAL; | |
10869 | } | |
10870 | if (arg2 & TARGET_PR_PAC_APIAKEY) { | |
108b3ba8 | 10871 | ret |= qemu_guest_getrandom(&env->keys.apia, |
51977e25 | 10872 | sizeof(ARMPACKey), &err); |
bff63fbf RH |
10873 | } |
10874 | if (arg2 & TARGET_PR_PAC_APIBKEY) { | |
108b3ba8 | 10875 | ret |= qemu_guest_getrandom(&env->keys.apib, |
51977e25 | 10876 | sizeof(ARMPACKey), &err); |
bff63fbf RH |
10877 | } |
10878 | if (arg2 & TARGET_PR_PAC_APDAKEY) { | |
108b3ba8 | 10879 | ret |= qemu_guest_getrandom(&env->keys.apda, |
51977e25 | 10880 | sizeof(ARMPACKey), &err); |
bff63fbf RH |
10881 | } |
10882 | if (arg2 & TARGET_PR_PAC_APDBKEY) { | |
108b3ba8 | 10883 | ret |= qemu_guest_getrandom(&env->keys.apdb, |
51977e25 | 10884 | sizeof(ARMPACKey), &err); |
bff63fbf RH |
10885 | } |
10886 | if (arg2 & TARGET_PR_PAC_APGAKEY) { | |
108b3ba8 | 10887 | ret |= qemu_guest_getrandom(&env->keys.apga, |
51977e25 RH |
10888 | sizeof(ARMPACKey), &err); |
10889 | } | |
10890 | if (ret != 0) { | |
10891 | /* | |
10892 | * Some unknown failure in the crypto. The best | |
10893 | * we can do is log it and fail the syscall. | |
10894 | * The real syscall cannot fail this way. | |
10895 | */ | |
10896 | qemu_log_mask(LOG_UNIMP, | |
10897 | "PR_PAC_RESET_KEYS: Crypto failure: %s", | |
10898 | error_get_pretty(err)); | |
10899 | error_free(err); | |
10900 | return -TARGET_EIO; | |
bff63fbf RH |
10901 | } |
10902 | return 0; | |
10903 | } | |
10904 | } | |
10905 | return -TARGET_EINVAL; | |
85fc7167 | 10906 | #endif /* AARCH64 */ |
a8b154a6 JC |
10907 | case PR_GET_SECCOMP: |
10908 | case PR_SET_SECCOMP: | |
10909 | /* Disable seccomp to prevent the target disabling syscalls we | |
10910 | * need. */ | |
72eb7ea8 | 10911 | return -TARGET_EINVAL; |
1e6722f8 PM |
10912 | default: |
10913 | /* Most prctl options have no pointer arguments */ | |
72eb7ea8 | 10914 | return get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); |
1e6722f8 | 10915 | } |
39b9aae1 | 10916 | break; |
d2fd1af7 FB |
10917 | #ifdef TARGET_NR_arch_prctl |
10918 | case TARGET_NR_arch_prctl: | |
72eb7ea8 | 10919 | return do_arch_prctl(cpu_env, arg1, arg2); |
d2fd1af7 | 10920 | #endif |
f2c7ba15 AJ |
10921 | #ifdef TARGET_NR_pread64 |
10922 | case TARGET_NR_pread64: | |
8bf8e9df | 10923 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
10924 | arg4 = arg5; |
10925 | arg5 = arg6; | |
10926 | } | |
2bd3f899 PM |
10927 | if (arg2 == 0 && arg3 == 0) { |
10928 | /* Special-case NULL buffer and zero length, which should succeed */ | |
10929 | p = 0; | |
10930 | } else { | |
10931 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
10932 | if (!p) { | |
10933 | return -TARGET_EFAULT; | |
10934 | } | |
10935 | } | |
f2c7ba15 AJ |
10936 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); |
10937 | unlock_user(p, arg2, ret); | |
72eb7ea8 | 10938 | return ret; |
f2c7ba15 | 10939 | case TARGET_NR_pwrite64: |
8bf8e9df | 10940 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
10941 | arg4 = arg5; |
10942 | arg5 = arg6; | |
10943 | } | |
2bd3f899 PM |
10944 | if (arg2 == 0 && arg3 == 0) { |
10945 | /* Special-case NULL buffer and zero length, which should succeed */ | |
10946 | p = 0; | |
10947 | } else { | |
10948 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
10949 | if (!p) { | |
10950 | return -TARGET_EFAULT; | |
10951 | } | |
10952 | } | |
f2c7ba15 AJ |
10953 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); |
10954 | unlock_user(p, arg2, 0); | |
72eb7ea8 | 10955 | return ret; |
67867308 | 10956 | #endif |
31e31b8a | 10957 | case TARGET_NR_getcwd: |
579a97f7 | 10958 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
2852aafd | 10959 | return -TARGET_EFAULT; |
53a5960a PB |
10960 | ret = get_errno(sys_getcwd1(p, arg2)); |
10961 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 10962 | return ret; |
31e31b8a FB |
10963 | case TARGET_NR_capget: |
10964 | case TARGET_NR_capset: | |
e0eb210e PM |
10965 | { |
10966 | struct target_user_cap_header *target_header; | |
10967 | struct target_user_cap_data *target_data = NULL; | |
10968 | struct __user_cap_header_struct header; | |
10969 | struct __user_cap_data_struct data[2]; | |
10970 | struct __user_cap_data_struct *dataptr = NULL; | |
10971 | int i, target_datalen; | |
10972 | int data_items = 1; | |
10973 | ||
10974 | if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { | |
2852aafd | 10975 | return -TARGET_EFAULT; |
e0eb210e PM |
10976 | } |
10977 | header.version = tswap32(target_header->version); | |
10978 | header.pid = tswap32(target_header->pid); | |
10979 | ||
ec864874 | 10980 | if (header.version != _LINUX_CAPABILITY_VERSION) { |
e0eb210e PM |
10981 | /* Version 2 and up takes pointer to two user_data structs */ |
10982 | data_items = 2; | |
10983 | } | |
10984 | ||
10985 | target_datalen = sizeof(*target_data) * data_items; | |
10986 | ||
10987 | if (arg2) { | |
10988 | if (num == TARGET_NR_capget) { | |
10989 | target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0); | |
10990 | } else { | |
10991 | target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1); | |
10992 | } | |
10993 | if (!target_data) { | |
10994 | unlock_user_struct(target_header, arg1, 0); | |
2852aafd | 10995 | return -TARGET_EFAULT; |
e0eb210e PM |
10996 | } |
10997 | ||
10998 | if (num == TARGET_NR_capset) { | |
10999 | for (i = 0; i < data_items; i++) { | |
11000 | data[i].effective = tswap32(target_data[i].effective); | |
11001 | data[i].permitted = tswap32(target_data[i].permitted); | |
11002 | data[i].inheritable = tswap32(target_data[i].inheritable); | |
11003 | } | |
11004 | } | |
11005 | ||
11006 | dataptr = data; | |
11007 | } | |
11008 | ||
11009 | if (num == TARGET_NR_capget) { | |
11010 | ret = get_errno(capget(&header, dataptr)); | |
11011 | } else { | |
11012 | ret = get_errno(capset(&header, dataptr)); | |
11013 | } | |
11014 | ||
11015 | /* The kernel always updates version for both capget and capset */ | |
11016 | target_header->version = tswap32(header.version); | |
11017 | unlock_user_struct(target_header, arg1, 1); | |
11018 | ||
11019 | if (arg2) { | |
11020 | if (num == TARGET_NR_capget) { | |
11021 | for (i = 0; i < data_items; i++) { | |
11022 | target_data[i].effective = tswap32(data[i].effective); | |
11023 | target_data[i].permitted = tswap32(data[i].permitted); | |
11024 | target_data[i].inheritable = tswap32(data[i].inheritable); | |
11025 | } | |
11026 | unlock_user(target_data, arg2, target_datalen); | |
11027 | } else { | |
11028 | unlock_user(target_data, arg2, 0); | |
11029 | } | |
11030 | } | |
72eb7ea8 | 11031 | return ret; |
e0eb210e | 11032 | } |
31e31b8a | 11033 | case TARGET_NR_sigaltstack: |
72eb7ea8 RH |
11034 | return do_sigaltstack(arg1, arg2, |
11035 | get_sp_from_cpustate((CPUArchState *)cpu_env)); | |
a8fd1aba PM |
11036 | |
11037 | #ifdef CONFIG_SENDFILE | |
4f7f8924 | 11038 | #ifdef TARGET_NR_sendfile |
a8fd1aba PM |
11039 | case TARGET_NR_sendfile: |
11040 | { | |
11041 | off_t *offp = NULL; | |
11042 | off_t off; | |
11043 | if (arg3) { | |
11044 | ret = get_user_sal(off, arg3); | |
11045 | if (is_error(ret)) { | |
72eb7ea8 | 11046 | return ret; |
a8fd1aba PM |
11047 | } |
11048 | offp = &off; | |
11049 | } | |
11050 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
11051 | if (!is_error(ret) && arg3) { | |
11052 | abi_long ret2 = put_user_sal(off, arg3); | |
11053 | if (is_error(ret2)) { | |
11054 | ret = ret2; | |
11055 | } | |
11056 | } | |
72eb7ea8 | 11057 | return ret; |
a8fd1aba | 11058 | } |
4f7f8924 | 11059 | #endif |
a8fd1aba PM |
11060 | #ifdef TARGET_NR_sendfile64 |
11061 | case TARGET_NR_sendfile64: | |
11062 | { | |
11063 | off_t *offp = NULL; | |
11064 | off_t off; | |
11065 | if (arg3) { | |
11066 | ret = get_user_s64(off, arg3); | |
11067 | if (is_error(ret)) { | |
72eb7ea8 | 11068 | return ret; |
a8fd1aba PM |
11069 | } |
11070 | offp = &off; | |
11071 | } | |
11072 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
11073 | if (!is_error(ret) && arg3) { | |
11074 | abi_long ret2 = put_user_s64(off, arg3); | |
11075 | if (is_error(ret2)) { | |
11076 | ret = ret2; | |
11077 | } | |
11078 | } | |
72eb7ea8 | 11079 | return ret; |
a8fd1aba PM |
11080 | } |
11081 | #endif | |
ebc05488 | 11082 | #endif |
048f6b4d | 11083 | #ifdef TARGET_NR_vfork |
31e31b8a | 11084 | case TARGET_NR_vfork: |
72eb7ea8 RH |
11085 | return get_errno(do_fork(cpu_env, |
11086 | CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD, | |
11087 | 0, 0, 0, 0)); | |
048f6b4d | 11088 | #endif |
ebc05488 | 11089 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 11090 | case TARGET_NR_ugetrlimit: |
728584be FB |
11091 | { |
11092 | struct rlimit rlim; | |
e22b7015 WT |
11093 | int resource = target_to_host_resource(arg1); |
11094 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 11095 | if (!is_error(ret)) { |
53a5960a | 11096 | struct target_rlimit *target_rlim; |
579a97f7 | 11097 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 11098 | return -TARGET_EFAULT; |
81bbe906 TY |
11099 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
11100 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 11101 | unlock_user_struct(target_rlim, arg2, 1); |
728584be | 11102 | } |
72eb7ea8 | 11103 | return ret; |
728584be | 11104 | } |
ebc05488 | 11105 | #endif |
a315a145 | 11106 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 11107 | case TARGET_NR_truncate64: |
579a97f7 | 11108 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11109 | return -TARGET_EFAULT; |
53a5960a PB |
11110 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
11111 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11112 | return ret; |
a315a145 FB |
11113 | #endif |
11114 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 11115 | case TARGET_NR_ftruncate64: |
72eb7ea8 | 11116 | return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
a315a145 FB |
11117 | #endif |
11118 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 11119 | case TARGET_NR_stat64: |
2852aafd RH |
11120 | if (!(p = lock_user_string(arg1))) { |
11121 | return -TARGET_EFAULT; | |
11122 | } | |
53a5960a PB |
11123 | ret = get_errno(stat(path(p), &st)); |
11124 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
11125 | if (!is_error(ret)) |
11126 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 11127 | return ret; |
a315a145 FB |
11128 | #endif |
11129 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 11130 | case TARGET_NR_lstat64: |
2852aafd RH |
11131 | if (!(p = lock_user_string(arg1))) { |
11132 | return -TARGET_EFAULT; | |
11133 | } | |
53a5960a PB |
11134 | ret = get_errno(lstat(path(p), &st)); |
11135 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
11136 | if (!is_error(ret)) |
11137 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 11138 | return ret; |
a315a145 FB |
11139 | #endif |
11140 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 11141 | case TARGET_NR_fstat64: |
6a24a778 AZ |
11142 | ret = get_errno(fstat(arg1, &st)); |
11143 | if (!is_error(ret)) | |
11144 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 11145 | return ret; |
ce4defa0 | 11146 | #endif |
c0d472b1 | 11147 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) |
9d33b76b | 11148 | #ifdef TARGET_NR_fstatat64 |
6a24a778 | 11149 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
11150 | #endif |
11151 | #ifdef TARGET_NR_newfstatat | |
11152 | case TARGET_NR_newfstatat: | |
11153 | #endif | |
2852aafd RH |
11154 | if (!(p = lock_user_string(arg2))) { |
11155 | return -TARGET_EFAULT; | |
11156 | } | |
c0d472b1 | 11157 | ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
2852aafd | 11158 | unlock_user(p, arg2, 0); |
6a24a778 AZ |
11159 | if (!is_error(ret)) |
11160 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
72eb7ea8 | 11161 | return ret; |
a315a145 | 11162 | #endif |
efa92184 AR |
11163 | #if defined(TARGET_NR_statx) |
11164 | case TARGET_NR_statx: | |
11165 | { | |
11166 | struct target_statx *target_stx; | |
11167 | int dirfd = arg1; | |
11168 | int flags = arg3; | |
11169 | ||
11170 | p = lock_user_string(arg2); | |
11171 | if (p == NULL) { | |
11172 | return -TARGET_EFAULT; | |
11173 | } | |
11174 | #if defined(__NR_statx) | |
11175 | { | |
11176 | /* | |
11177 | * It is assumed that struct statx is architecture independent. | |
11178 | */ | |
11179 | struct target_statx host_stx; | |
11180 | int mask = arg4; | |
11181 | ||
11182 | ret = get_errno(sys_statx(dirfd, p, flags, mask, &host_stx)); | |
11183 | if (!is_error(ret)) { | |
11184 | if (host_to_target_statx(&host_stx, arg5) != 0) { | |
11185 | unlock_user(p, arg2, 0); | |
11186 | return -TARGET_EFAULT; | |
11187 | } | |
11188 | } | |
11189 | ||
11190 | if (ret != -TARGET_ENOSYS) { | |
11191 | unlock_user(p, arg2, 0); | |
11192 | return ret; | |
11193 | } | |
11194 | } | |
11195 | #endif | |
11196 | ret = get_errno(fstatat(dirfd, path(p), &st, flags)); | |
11197 | unlock_user(p, arg2, 0); | |
11198 | ||
11199 | if (!is_error(ret)) { | |
11200 | if (!lock_user_struct(VERIFY_WRITE, target_stx, arg5, 0)) { | |
11201 | return -TARGET_EFAULT; | |
11202 | } | |
11203 | memset(target_stx, 0, sizeof(*target_stx)); | |
11204 | __put_user(major(st.st_dev), &target_stx->stx_dev_major); | |
11205 | __put_user(minor(st.st_dev), &target_stx->stx_dev_minor); | |
11206 | __put_user(st.st_ino, &target_stx->stx_ino); | |
11207 | __put_user(st.st_mode, &target_stx->stx_mode); | |
11208 | __put_user(st.st_uid, &target_stx->stx_uid); | |
11209 | __put_user(st.st_gid, &target_stx->stx_gid); | |
11210 | __put_user(st.st_nlink, &target_stx->stx_nlink); | |
11211 | __put_user(major(st.st_rdev), &target_stx->stx_rdev_major); | |
11212 | __put_user(minor(st.st_rdev), &target_stx->stx_rdev_minor); | |
11213 | __put_user(st.st_size, &target_stx->stx_size); | |
11214 | __put_user(st.st_blksize, &target_stx->stx_blksize); | |
11215 | __put_user(st.st_blocks, &target_stx->stx_blocks); | |
11216 | __put_user(st.st_atime, &target_stx->stx_atime.tv_sec); | |
11217 | __put_user(st.st_mtime, &target_stx->stx_mtime.tv_sec); | |
11218 | __put_user(st.st_ctime, &target_stx->stx_ctime.tv_sec); | |
11219 | unlock_user_struct(target_stx, arg5, 1); | |
11220 | } | |
11221 | } | |
11222 | return ret; | |
11223 | #endif | |
704eff6c | 11224 | #ifdef TARGET_NR_lchown |
67867308 | 11225 | case TARGET_NR_lchown: |
579a97f7 | 11226 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11227 | return -TARGET_EFAULT; |
53a5960a PB |
11228 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
11229 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11230 | return ret; |
704eff6c | 11231 | #endif |
0c866a7e | 11232 | #ifdef TARGET_NR_getuid |
67867308 | 11233 | case TARGET_NR_getuid: |
72eb7ea8 | 11234 | return get_errno(high2lowuid(getuid())); |
0c866a7e RV |
11235 | #endif |
11236 | #ifdef TARGET_NR_getgid | |
67867308 | 11237 | case TARGET_NR_getgid: |
72eb7ea8 | 11238 | return get_errno(high2lowgid(getgid())); |
0c866a7e RV |
11239 | #endif |
11240 | #ifdef TARGET_NR_geteuid | |
67867308 | 11241 | case TARGET_NR_geteuid: |
72eb7ea8 | 11242 | return get_errno(high2lowuid(geteuid())); |
0c866a7e RV |
11243 | #endif |
11244 | #ifdef TARGET_NR_getegid | |
67867308 | 11245 | case TARGET_NR_getegid: |
72eb7ea8 | 11246 | return get_errno(high2lowgid(getegid())); |
0c866a7e | 11247 | #endif |
67867308 | 11248 | case TARGET_NR_setreuid: |
72eb7ea8 | 11249 | return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
67867308 | 11250 | case TARGET_NR_setregid: |
72eb7ea8 | 11251 | return get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
67867308 FB |
11252 | case TARGET_NR_getgroups: |
11253 | { | |
11254 | int gidsetsize = arg1; | |
0c866a7e | 11255 | target_id *target_grouplist; |
67867308 FB |
11256 | gid_t *grouplist; |
11257 | int i; | |
11258 | ||
11259 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
11260 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 | 11261 | if (gidsetsize == 0) |
72eb7ea8 | 11262 | return ret; |
67867308 | 11263 | if (!is_error(ret)) { |
03903ffc | 11264 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); |
579a97f7 | 11265 | if (!target_grouplist) |
2852aafd | 11266 | return -TARGET_EFAULT; |
a2155fcc | 11267 | for(i = 0;i < ret; i++) |
0c866a7e | 11268 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
03903ffc | 11269 | unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); |
67867308 FB |
11270 | } |
11271 | } | |
72eb7ea8 | 11272 | return ret; |
67867308 FB |
11273 | case TARGET_NR_setgroups: |
11274 | { | |
11275 | int gidsetsize = arg1; | |
0c866a7e | 11276 | target_id *target_grouplist; |
f2b79ce9 | 11277 | gid_t *grouplist = NULL; |
67867308 | 11278 | int i; |
f2b79ce9 DA |
11279 | if (gidsetsize) { |
11280 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
03903ffc | 11281 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1); |
f2b79ce9 | 11282 | if (!target_grouplist) { |
259841c1 | 11283 | return -TARGET_EFAULT; |
f2b79ce9 DA |
11284 | } |
11285 | for (i = 0; i < gidsetsize; i++) { | |
11286 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
11287 | } | |
11288 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 11289 | } |
72eb7ea8 | 11290 | return get_errno(setgroups(gidsetsize, grouplist)); |
67867308 | 11291 | } |
67867308 | 11292 | case TARGET_NR_fchown: |
72eb7ea8 | 11293 | return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
c0d472b1 | 11294 | #if defined(TARGET_NR_fchownat) |
ccfa72b7 | 11295 | case TARGET_NR_fchownat: |
579a97f7 | 11296 | if (!(p = lock_user_string(arg2))) |
2852aafd | 11297 | return -TARGET_EFAULT; |
c0d472b1 PM |
11298 | ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
11299 | low2highgid(arg4), arg5)); | |
579a97f7 | 11300 | unlock_user(p, arg2, 0); |
72eb7ea8 | 11301 | return ret; |
ccfa72b7 | 11302 | #endif |
67867308 FB |
11303 | #ifdef TARGET_NR_setresuid |
11304 | case TARGET_NR_setresuid: | |
72eb7ea8 RH |
11305 | return get_errno(sys_setresuid(low2highuid(arg1), |
11306 | low2highuid(arg2), | |
11307 | low2highuid(arg3))); | |
67867308 FB |
11308 | #endif |
11309 | #ifdef TARGET_NR_getresuid | |
11310 | case TARGET_NR_getresuid: | |
11311 | { | |
53a5960a | 11312 | uid_t ruid, euid, suid; |
67867308 FB |
11313 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
11314 | if (!is_error(ret)) { | |
76ca310a PM |
11315 | if (put_user_id(high2lowuid(ruid), arg1) |
11316 | || put_user_id(high2lowuid(euid), arg2) | |
11317 | || put_user_id(high2lowuid(suid), arg3)) | |
2852aafd | 11318 | return -TARGET_EFAULT; |
67867308 FB |
11319 | } |
11320 | } | |
72eb7ea8 | 11321 | return ret; |
67867308 FB |
11322 | #endif |
11323 | #ifdef TARGET_NR_getresgid | |
11324 | case TARGET_NR_setresgid: | |
72eb7ea8 RH |
11325 | return get_errno(sys_setresgid(low2highgid(arg1), |
11326 | low2highgid(arg2), | |
11327 | low2highgid(arg3))); | |
67867308 FB |
11328 | #endif |
11329 | #ifdef TARGET_NR_getresgid | |
11330 | case TARGET_NR_getresgid: | |
11331 | { | |
53a5960a | 11332 | gid_t rgid, egid, sgid; |
67867308 FB |
11333 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
11334 | if (!is_error(ret)) { | |
76ca310a PM |
11335 | if (put_user_id(high2lowgid(rgid), arg1) |
11336 | || put_user_id(high2lowgid(egid), arg2) | |
11337 | || put_user_id(high2lowgid(sgid), arg3)) | |
2852aafd | 11338 | return -TARGET_EFAULT; |
67867308 FB |
11339 | } |
11340 | } | |
72eb7ea8 | 11341 | return ret; |
67867308 | 11342 | #endif |
704eff6c | 11343 | #ifdef TARGET_NR_chown |
67867308 | 11344 | case TARGET_NR_chown: |
579a97f7 | 11345 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11346 | return -TARGET_EFAULT; |
53a5960a PB |
11347 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
11348 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11349 | return ret; |
704eff6c | 11350 | #endif |
67867308 | 11351 | case TARGET_NR_setuid: |
72eb7ea8 | 11352 | return get_errno(sys_setuid(low2highuid(arg1))); |
67867308 | 11353 | case TARGET_NR_setgid: |
72eb7ea8 | 11354 | return get_errno(sys_setgid(low2highgid(arg1))); |
67867308 | 11355 | case TARGET_NR_setfsuid: |
72eb7ea8 | 11356 | return get_errno(setfsuid(arg1)); |
67867308 | 11357 | case TARGET_NR_setfsgid: |
72eb7ea8 | 11358 | return get_errno(setfsgid(arg1)); |
67867308 | 11359 | |
a315a145 | 11360 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 11361 | case TARGET_NR_lchown32: |
579a97f7 | 11362 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11363 | return -TARGET_EFAULT; |
53a5960a PB |
11364 | ret = get_errno(lchown(p, arg2, arg3)); |
11365 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11366 | return ret; |
a315a145 FB |
11367 | #endif |
11368 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 11369 | case TARGET_NR_getuid32: |
72eb7ea8 | 11370 | return get_errno(getuid()); |
a315a145 | 11371 | #endif |
64b4d28c AJ |
11372 | |
11373 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
11374 | /* Alpha specific */ | |
11375 | case TARGET_NR_getxuid: | |
ba0e276d RH |
11376 | { |
11377 | uid_t euid; | |
11378 | euid=geteuid(); | |
11379 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; | |
11380 | } | |
72eb7ea8 | 11381 | return get_errno(getuid()); |
64b4d28c AJ |
11382 | #endif |
11383 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
11384 | /* Alpha specific */ | |
11385 | case TARGET_NR_getxgid: | |
ba0e276d RH |
11386 | { |
11387 | uid_t egid; | |
11388 | egid=getegid(); | |
11389 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; | |
11390 | } | |
72eb7ea8 | 11391 | return get_errno(getgid()); |
64b4d28c | 11392 | #endif |
ba0e276d RH |
11393 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
11394 | /* Alpha specific */ | |
11395 | case TARGET_NR_osf_getsysinfo: | |
11396 | ret = -TARGET_EOPNOTSUPP; | |
11397 | switch (arg1) { | |
11398 | case TARGET_GSI_IEEE_FP_CONTROL: | |
11399 | { | |
21ba8564 RH |
11400 | uint64_t fpcr = cpu_alpha_load_fpcr(cpu_env); |
11401 | uint64_t swcr = ((CPUAlphaState *)cpu_env)->swcr; | |
11402 | ||
11403 | swcr &= ~SWCR_STATUS_MASK; | |
11404 | swcr |= (fpcr >> 35) & SWCR_STATUS_MASK; | |
ba0e276d RH |
11405 | |
11406 | if (put_user_u64 (swcr, arg2)) | |
2852aafd | 11407 | return -TARGET_EFAULT; |
ba0e276d RH |
11408 | ret = 0; |
11409 | } | |
11410 | break; | |
11411 | ||
11412 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
11413 | -- Not implemented in linux kernel. | |
11414 | case GSI_UACPROC: | |
11415 | -- Retrieves current unaligned access state; not much used. | |
11416 | case GSI_PROC_TYPE: | |
11417 | -- Retrieves implver information; surely not used. | |
11418 | case GSI_GET_HWRPB: | |
11419 | -- Grabs a copy of the HWRPB; surely not used. | |
11420 | */ | |
11421 | } | |
72eb7ea8 | 11422 | return ret; |
ba0e276d RH |
11423 | #endif |
11424 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
11425 | /* Alpha specific */ | |
11426 | case TARGET_NR_osf_setsysinfo: | |
11427 | ret = -TARGET_EOPNOTSUPP; | |
11428 | switch (arg1) { | |
11429 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d | 11430 | { |
21ba8564 | 11431 | uint64_t swcr, fpcr; |
ba0e276d | 11432 | |
6e06d515 | 11433 | if (get_user_u64 (swcr, arg2)) { |
2852aafd | 11434 | return -TARGET_EFAULT; |
6e06d515 | 11435 | } |
ba0e276d | 11436 | |
21ba8564 RH |
11437 | /* |
11438 | * The kernel calls swcr_update_status to update the | |
11439 | * status bits from the fpcr at every point that it | |
11440 | * could be queried. Therefore, we store the status | |
11441 | * bits only in FPCR. | |
11442 | */ | |
11443 | ((CPUAlphaState *)cpu_env)->swcr | |
11444 | = swcr & (SWCR_TRAP_ENABLE_MASK | SWCR_MAP_MASK); | |
11445 | ||
11446 | fpcr = cpu_alpha_load_fpcr(cpu_env); | |
11447 | fpcr &= ((uint64_t)FPCR_DYN_MASK << 32); | |
11448 | fpcr |= alpha_ieee_swcr_to_fpcr(swcr); | |
6e06d515 | 11449 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 11450 | ret = 0; |
6e06d515 RH |
11451 | } |
11452 | break; | |
11453 | ||
11454 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
11455 | { | |
21ba8564 | 11456 | uint64_t exc, fpcr, fex; |
6e06d515 RH |
11457 | |
11458 | if (get_user_u64(exc, arg2)) { | |
2852aafd | 11459 | return -TARGET_EFAULT; |
6e06d515 | 11460 | } |
21ba8564 RH |
11461 | exc &= SWCR_STATUS_MASK; |
11462 | fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d | 11463 | |
21ba8564 RH |
11464 | /* Old exceptions are not signaled. */ |
11465 | fex = alpha_ieee_fpcr_to_swcr(fpcr); | |
11466 | fex = exc & ~fex; | |
11467 | fex >>= SWCR_STATUS_TO_EXCSUM_SHIFT; | |
11468 | fex &= ((CPUArchState *)cpu_env)->swcr; | |
6e06d515 | 11469 | |
21ba8564 RH |
11470 | /* Update the hardware fpcr. */ |
11471 | fpcr |= alpha_ieee_swcr_to_fpcr(exc); | |
6e06d515 | 11472 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
6e06d515 | 11473 | |
21ba8564 RH |
11474 | if (fex) { |
11475 | int si_code = TARGET_FPE_FLTUNK; | |
6e06d515 | 11476 | target_siginfo_t info; |
21ba8564 RH |
11477 | |
11478 | if (fex & SWCR_TRAP_ENABLE_DNO) { | |
11479 | si_code = TARGET_FPE_FLTUND; | |
11480 | } | |
11481 | if (fex & SWCR_TRAP_ENABLE_INE) { | |
11482 | si_code = TARGET_FPE_FLTRES; | |
11483 | } | |
11484 | if (fex & SWCR_TRAP_ENABLE_UNF) { | |
11485 | si_code = TARGET_FPE_FLTUND; | |
11486 | } | |
11487 | if (fex & SWCR_TRAP_ENABLE_OVF) { | |
11488 | si_code = TARGET_FPE_FLTOVF; | |
11489 | } | |
11490 | if (fex & SWCR_TRAP_ENABLE_DZE) { | |
11491 | si_code = TARGET_FPE_FLTDIV; | |
11492 | } | |
11493 | if (fex & SWCR_TRAP_ENABLE_INV) { | |
11494 | si_code = TARGET_FPE_FLTINV; | |
11495 | } | |
11496 | ||
6e06d515 RH |
11497 | info.si_signo = SIGFPE; |
11498 | info.si_errno = 0; | |
11499 | info.si_code = si_code; | |
11500 | info._sifields._sigfault._addr | |
11501 | = ((CPUArchState *)cpu_env)->pc; | |
9d2803f7 PM |
11502 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
11503 | QEMU_SI_FAULT, &info); | |
ba0e276d | 11504 | } |
21ba8564 | 11505 | ret = 0; |
ba0e276d RH |
11506 | } |
11507 | break; | |
11508 | ||
11509 | /* case SSI_NVPAIRS: | |
11510 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
11511 | case SSI_IEEE_STATE_AT_SIGNAL: | |
11512 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
11513 | -- Not implemented in linux kernel | |
11514 | */ | |
11515 | } | |
72eb7ea8 | 11516 | return ret; |
ba0e276d RH |
11517 | #endif |
11518 | #ifdef TARGET_NR_osf_sigprocmask | |
11519 | /* Alpha specific. */ | |
11520 | case TARGET_NR_osf_sigprocmask: | |
11521 | { | |
11522 | abi_ulong mask; | |
bc088ba1 | 11523 | int how; |
ba0e276d RH |
11524 | sigset_t set, oldset; |
11525 | ||
11526 | switch(arg1) { | |
11527 | case TARGET_SIG_BLOCK: | |
11528 | how = SIG_BLOCK; | |
11529 | break; | |
11530 | case TARGET_SIG_UNBLOCK: | |
11531 | how = SIG_UNBLOCK; | |
11532 | break; | |
11533 | case TARGET_SIG_SETMASK: | |
11534 | how = SIG_SETMASK; | |
11535 | break; | |
11536 | default: | |
259841c1 | 11537 | return -TARGET_EINVAL; |
ba0e276d RH |
11538 | } |
11539 | mask = arg2; | |
11540 | target_to_host_old_sigset(&set, &mask); | |
3d3efba0 PM |
11541 | ret = do_sigprocmask(how, &set, &oldset); |
11542 | if (!ret) { | |
11543 | host_to_target_old_sigset(&mask, &oldset); | |
11544 | ret = mask; | |
11545 | } | |
ba0e276d | 11546 | } |
72eb7ea8 | 11547 | return ret; |
ba0e276d | 11548 | #endif |
64b4d28c | 11549 | |
a315a145 | 11550 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 11551 | case TARGET_NR_getgid32: |
72eb7ea8 | 11552 | return get_errno(getgid()); |
a315a145 FB |
11553 | #endif |
11554 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 11555 | case TARGET_NR_geteuid32: |
72eb7ea8 | 11556 | return get_errno(geteuid()); |
a315a145 FB |
11557 | #endif |
11558 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 11559 | case TARGET_NR_getegid32: |
72eb7ea8 | 11560 | return get_errno(getegid()); |
a315a145 FB |
11561 | #endif |
11562 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 11563 | case TARGET_NR_setreuid32: |
72eb7ea8 | 11564 | return get_errno(setreuid(arg1, arg2)); |
a315a145 FB |
11565 | #endif |
11566 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 11567 | case TARGET_NR_setregid32: |
72eb7ea8 | 11568 | return get_errno(setregid(arg1, arg2)); |
a315a145 FB |
11569 | #endif |
11570 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 11571 | case TARGET_NR_getgroups32: |
99c475ab FB |
11572 | { |
11573 | int gidsetsize = arg1; | |
53a5960a | 11574 | uint32_t *target_grouplist; |
99c475ab FB |
11575 | gid_t *grouplist; |
11576 | int i; | |
11577 | ||
11578 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
11579 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 | 11580 | if (gidsetsize == 0) |
72eb7ea8 | 11581 | return ret; |
99c475ab | 11582 | if (!is_error(ret)) { |
579a97f7 FB |
11583 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
11584 | if (!target_grouplist) { | |
259841c1 | 11585 | return -TARGET_EFAULT; |
579a97f7 | 11586 | } |
a2155fcc | 11587 | for(i = 0;i < ret; i++) |
53a5960a PB |
11588 | target_grouplist[i] = tswap32(grouplist[i]); |
11589 | unlock_user(target_grouplist, arg2, gidsetsize * 4); | |
99c475ab FB |
11590 | } |
11591 | } | |
72eb7ea8 | 11592 | return ret; |
a315a145 FB |
11593 | #endif |
11594 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 11595 | case TARGET_NR_setgroups32: |
99c475ab FB |
11596 | { |
11597 | int gidsetsize = arg1; | |
53a5960a | 11598 | uint32_t *target_grouplist; |
99c475ab FB |
11599 | gid_t *grouplist; |
11600 | int i; | |
3b46e624 | 11601 | |
99c475ab | 11602 | grouplist = alloca(gidsetsize * sizeof(gid_t)); |
579a97f7 FB |
11603 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
11604 | if (!target_grouplist) { | |
259841c1 | 11605 | return -TARGET_EFAULT; |
579a97f7 | 11606 | } |
99c475ab | 11607 | for(i = 0;i < gidsetsize; i++) |
53a5960a PB |
11608 | grouplist[i] = tswap32(target_grouplist[i]); |
11609 | unlock_user(target_grouplist, arg2, 0); | |
72eb7ea8 | 11610 | return get_errno(setgroups(gidsetsize, grouplist)); |
99c475ab | 11611 | } |
a315a145 FB |
11612 | #endif |
11613 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 11614 | case TARGET_NR_fchown32: |
72eb7ea8 | 11615 | return get_errno(fchown(arg1, arg2, arg3)); |
a315a145 FB |
11616 | #endif |
11617 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 11618 | case TARGET_NR_setresuid32: |
72eb7ea8 | 11619 | return get_errno(sys_setresuid(arg1, arg2, arg3)); |
a315a145 FB |
11620 | #endif |
11621 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 11622 | case TARGET_NR_getresuid32: |
b03c60f3 | 11623 | { |
53a5960a | 11624 | uid_t ruid, euid, suid; |
b03c60f3 FB |
11625 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
11626 | if (!is_error(ret)) { | |
2f619698 FB |
11627 | if (put_user_u32(ruid, arg1) |
11628 | || put_user_u32(euid, arg2) | |
11629 | || put_user_u32(suid, arg3)) | |
2852aafd | 11630 | return -TARGET_EFAULT; |
b03c60f3 FB |
11631 | } |
11632 | } | |
72eb7ea8 | 11633 | return ret; |
a315a145 FB |
11634 | #endif |
11635 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 11636 | case TARGET_NR_setresgid32: |
72eb7ea8 | 11637 | return get_errno(sys_setresgid(arg1, arg2, arg3)); |
a315a145 FB |
11638 | #endif |
11639 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 11640 | case TARGET_NR_getresgid32: |
b03c60f3 | 11641 | { |
53a5960a | 11642 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
11643 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
11644 | if (!is_error(ret)) { | |
2f619698 FB |
11645 | if (put_user_u32(rgid, arg1) |
11646 | || put_user_u32(egid, arg2) | |
11647 | || put_user_u32(sgid, arg3)) | |
2852aafd | 11648 | return -TARGET_EFAULT; |
b03c60f3 FB |
11649 | } |
11650 | } | |
72eb7ea8 | 11651 | return ret; |
a315a145 FB |
11652 | #endif |
11653 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 11654 | case TARGET_NR_chown32: |
579a97f7 | 11655 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11656 | return -TARGET_EFAULT; |
53a5960a PB |
11657 | ret = get_errno(chown(p, arg2, arg3)); |
11658 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11659 | return ret; |
a315a145 FB |
11660 | #endif |
11661 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 11662 | case TARGET_NR_setuid32: |
72eb7ea8 | 11663 | return get_errno(sys_setuid(arg1)); |
a315a145 FB |
11664 | #endif |
11665 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 11666 | case TARGET_NR_setgid32: |
72eb7ea8 | 11667 | return get_errno(sys_setgid(arg1)); |
a315a145 FB |
11668 | #endif |
11669 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 11670 | case TARGET_NR_setfsuid32: |
72eb7ea8 | 11671 | return get_errno(setfsuid(arg1)); |
a315a145 FB |
11672 | #endif |
11673 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 11674 | case TARGET_NR_setfsgid32: |
72eb7ea8 | 11675 | return get_errno(setfsgid(arg1)); |
a315a145 | 11676 | #endif |
ffa65c3b | 11677 | #ifdef TARGET_NR_mincore |
31e31b8a | 11678 | case TARGET_NR_mincore: |
04bb9ace | 11679 | { |
259841c1 | 11680 | void *a = lock_user(VERIFY_READ, arg1, arg2, 0); |
98a3331a | 11681 | if (!a) { |
259841c1 | 11682 | return -TARGET_ENOMEM; |
98a3331a | 11683 | } |
98a3331a FSM |
11684 | p = lock_user_string(arg3); |
11685 | if (!p) { | |
259841c1 RH |
11686 | ret = -TARGET_EFAULT; |
11687 | } else { | |
11688 | ret = get_errno(mincore(a, arg2, p)); | |
11689 | unlock_user(p, arg3, ret); | |
98a3331a | 11690 | } |
04bb9ace AJ |
11691 | unlock_user(a, arg1, 0); |
11692 | } | |
72eb7ea8 | 11693 | return ret; |
ffa65c3b | 11694 | #endif |
408321b6 AJ |
11695 | #ifdef TARGET_NR_arm_fadvise64_64 |
11696 | case TARGET_NR_arm_fadvise64_64: | |
e0156a9d PM |
11697 | /* arm_fadvise64_64 looks like fadvise64_64 but |
11698 | * with different argument order: fd, advice, offset, len | |
11699 | * rather than the usual fd, offset, len, advice. | |
11700 | * Note that offset and len are both 64-bit so appear as | |
11701 | * pairs of 32-bit registers. | |
11702 | */ | |
11703 | ret = posix_fadvise(arg1, target_offset64(arg3, arg4), | |
11704 | target_offset64(arg5, arg6), arg2); | |
72eb7ea8 | 11705 | return -host_to_target_errno(ret); |
408321b6 | 11706 | #endif |
badd3cd8 PM |
11707 | |
11708 | #if TARGET_ABI_BITS == 32 | |
11709 | ||
11710 | #ifdef TARGET_NR_fadvise64_64 | |
11711 | case TARGET_NR_fadvise64_64: | |
64a563dd | 11712 | #if defined(TARGET_PPC) || defined(TARGET_XTENSA) |
43046b5a LV |
11713 | /* 6 args: fd, advice, offset (high, low), len (high, low) */ |
11714 | ret = arg2; | |
11715 | arg2 = arg3; | |
11716 | arg3 = arg4; | |
11717 | arg4 = arg5; | |
11718 | arg5 = arg6; | |
11719 | arg6 = ret; | |
11720 | #else | |
badd3cd8 | 11721 | /* 6 args: fd, offset (high, low), len (high, low), advice */ |
8bf8e9df | 11722 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
11723 | /* offset is in (3,4), len in (5,6) and advice in 7 */ |
11724 | arg2 = arg3; | |
11725 | arg3 = arg4; | |
11726 | arg4 = arg5; | |
11727 | arg5 = arg6; | |
11728 | arg6 = arg7; | |
11729 | } | |
43046b5a | 11730 | #endif |
72eb7ea8 RH |
11731 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), |
11732 | target_offset64(arg4, arg5), arg6); | |
11733 | return -host_to_target_errno(ret); | |
badd3cd8 PM |
11734 | #endif |
11735 | ||
11736 | #ifdef TARGET_NR_fadvise64 | |
11737 | case TARGET_NR_fadvise64: | |
11738 | /* 5 args: fd, offset (high, low), len, advice */ | |
8bf8e9df | 11739 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
11740 | /* offset is in (3,4), len in 5 and advice in 6 */ |
11741 | arg2 = arg3; | |
11742 | arg3 = arg4; | |
11743 | arg4 = arg5; | |
11744 | arg5 = arg6; | |
11745 | } | |
72eb7ea8 RH |
11746 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5); |
11747 | return -host_to_target_errno(ret); | |
408321b6 | 11748 | #endif |
badd3cd8 PM |
11749 | |
11750 | #else /* not a 32-bit ABI */ | |
e0156a9d | 11751 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
11752 | #ifdef TARGET_NR_fadvise64_64 |
11753 | case TARGET_NR_fadvise64_64: | |
11754 | #endif | |
e72d2cc7 UH |
11755 | #ifdef TARGET_NR_fadvise64 |
11756 | case TARGET_NR_fadvise64: | |
11757 | #endif | |
11758 | #ifdef TARGET_S390X | |
11759 | switch (arg4) { | |
11760 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
11761 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
11762 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
11763 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
11764 | default: break; | |
11765 | } | |
11766 | #endif | |
72eb7ea8 | 11767 | return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); |
408321b6 | 11768 | #endif |
badd3cd8 PM |
11769 | #endif /* end of 64-bit ABI fadvise handling */ |
11770 | ||
ffa65c3b | 11771 | #ifdef TARGET_NR_madvise |
31e31b8a | 11772 | case TARGET_NR_madvise: |
24836689 | 11773 | /* A straight passthrough may not be safe because qemu sometimes |
d2d6b857 | 11774 | turns private file-backed mappings into anonymous mappings. |
24836689 PB |
11775 | This will break MADV_DONTNEED. |
11776 | This is a hint, so ignoring and returning success is ok. */ | |
72eb7ea8 | 11777 | return 0; |
ffa65c3b | 11778 | #endif |
bbf5f2a1 | 11779 | #ifdef TARGET_NR_fcntl64 |
31e31b8a | 11780 | case TARGET_NR_fcntl64: |
77e4672d | 11781 | { |
bbf5f2a1 AB |
11782 | int cmd; |
11783 | struct flock64 fl; | |
213d3e9e PM |
11784 | from_flock64_fn *copyfrom = copy_from_user_flock64; |
11785 | to_flock64_fn *copyto = copy_to_user_flock64; | |
11786 | ||
ce4defa0 | 11787 | #ifdef TARGET_ARM |
7f254c5c LV |
11788 | if (!((CPUARMState *)cpu_env)->eabi) { |
11789 | copyfrom = copy_from_user_oabi_flock64; | |
11790 | copyto = copy_to_user_oabi_flock64; | |
213d3e9e | 11791 | } |
ce4defa0 | 11792 | #endif |
77e4672d | 11793 | |
bbf5f2a1 | 11794 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 | 11795 | if (cmd == -TARGET_EINVAL) { |
72eb7ea8 | 11796 | return cmd; |
31b63193 | 11797 | } |
b1e341eb | 11798 | |
60cd49d5 | 11799 | switch(arg2) { |
b1e341eb | 11800 | case TARGET_F_GETLK64: |
213d3e9e PM |
11801 | ret = copyfrom(&fl, arg3); |
11802 | if (ret) { | |
11803 | break; | |
5813427b | 11804 | } |
af8ab2bf | 11805 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
213d3e9e PM |
11806 | if (ret == 0) { |
11807 | ret = copyto(arg3, &fl); | |
11808 | } | |
77e4672d FB |
11809 | break; |
11810 | ||
b1e341eb TS |
11811 | case TARGET_F_SETLK64: |
11812 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
11813 | ret = copyfrom(&fl, arg3); |
11814 | if (ret) { | |
11815 | break; | |
ce4defa0 | 11816 | } |
435da5e7 | 11817 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
77e4672d | 11818 | break; |
60cd49d5 | 11819 | default: |
5f106811 | 11820 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
11821 | break; |
11822 | } | |
72eb7ea8 | 11823 | return ret; |
77e4672d | 11824 | } |
60cd49d5 | 11825 | #endif |
7d600c80 TS |
11826 | #ifdef TARGET_NR_cacheflush |
11827 | case TARGET_NR_cacheflush: | |
11828 | /* self-modifying code is handled automatically, so nothing needed */ | |
72eb7ea8 | 11829 | return 0; |
7d600c80 | 11830 | #endif |
c573ff67 FB |
11831 | #ifdef TARGET_NR_getpagesize |
11832 | case TARGET_NR_getpagesize: | |
72eb7ea8 | 11833 | return TARGET_PAGE_SIZE; |
ebc05488 | 11834 | #endif |
31e31b8a | 11835 | case TARGET_NR_gettid: |
71ba74f6 | 11836 | return get_errno(sys_gettid()); |
e5febef5 | 11837 | #ifdef TARGET_NR_readahead |
31e31b8a | 11838 | case TARGET_NR_readahead: |
2054ac9b | 11839 | #if TARGET_ABI_BITS == 32 |
8bf8e9df | 11840 | if (regpairs_aligned(cpu_env, num)) { |
2054ac9b AJ |
11841 | arg2 = arg3; |
11842 | arg3 = arg4; | |
11843 | arg4 = arg5; | |
11844 | } | |
77c6850f | 11845 | ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4)); |
2054ac9b AJ |
11846 | #else |
11847 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
11848 | #endif | |
72eb7ea8 | 11849 | return ret; |
e5febef5 | 11850 | #endif |
a790ae38 | 11851 | #ifdef CONFIG_ATTR |
ebc05488 | 11852 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
11853 | case TARGET_NR_listxattr: |
11854 | case TARGET_NR_llistxattr: | |
fb5590f7 PM |
11855 | { |
11856 | void *p, *b = 0; | |
11857 | if (arg2) { | |
11858 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
11859 | if (!b) { | |
72eb7ea8 | 11860 | return -TARGET_EFAULT; |
fb5590f7 PM |
11861 | } |
11862 | } | |
11863 | p = lock_user_string(arg1); | |
11864 | if (p) { | |
11865 | if (num == TARGET_NR_listxattr) { | |
11866 | ret = get_errno(listxattr(p, b, arg3)); | |
11867 | } else { | |
11868 | ret = get_errno(llistxattr(p, b, arg3)); | |
11869 | } | |
11870 | } else { | |
11871 | ret = -TARGET_EFAULT; | |
11872 | } | |
11873 | unlock_user(p, arg1, 0); | |
11874 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 11875 | return ret; |
fb5590f7 | 11876 | } |
31e31b8a | 11877 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
11878 | { |
11879 | void *b = 0; | |
11880 | if (arg2) { | |
11881 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
11882 | if (!b) { | |
72eb7ea8 | 11883 | return -TARGET_EFAULT; |
fb5590f7 PM |
11884 | } |
11885 | } | |
11886 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
11887 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 11888 | return ret; |
fb5590f7 | 11889 | } |
a790ae38 | 11890 | case TARGET_NR_setxattr: |
30297b55 | 11891 | case TARGET_NR_lsetxattr: |
a790ae38 | 11892 | { |
e3c33ec6 PM |
11893 | void *p, *n, *v = 0; |
11894 | if (arg3) { | |
11895 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
11896 | if (!v) { | |
72eb7ea8 | 11897 | return -TARGET_EFAULT; |
e3c33ec6 PM |
11898 | } |
11899 | } | |
a790ae38 ACH |
11900 | p = lock_user_string(arg1); |
11901 | n = lock_user_string(arg2); | |
e3c33ec6 | 11902 | if (p && n) { |
30297b55 PM |
11903 | if (num == TARGET_NR_setxattr) { |
11904 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
11905 | } else { | |
11906 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
11907 | } | |
a790ae38 ACH |
11908 | } else { |
11909 | ret = -TARGET_EFAULT; | |
11910 | } | |
11911 | unlock_user(p, arg1, 0); | |
11912 | unlock_user(n, arg2, 0); | |
11913 | unlock_user(v, arg3, 0); | |
11914 | } | |
72eb7ea8 | 11915 | return ret; |
30297b55 PM |
11916 | case TARGET_NR_fsetxattr: |
11917 | { | |
11918 | void *n, *v = 0; | |
11919 | if (arg3) { | |
11920 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
11921 | if (!v) { | |
72eb7ea8 | 11922 | return -TARGET_EFAULT; |
30297b55 PM |
11923 | } |
11924 | } | |
11925 | n = lock_user_string(arg2); | |
11926 | if (n) { | |
11927 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
11928 | } else { | |
11929 | ret = -TARGET_EFAULT; | |
11930 | } | |
11931 | unlock_user(n, arg2, 0); | |
11932 | unlock_user(v, arg3, 0); | |
11933 | } | |
72eb7ea8 | 11934 | return ret; |
a790ae38 | 11935 | case TARGET_NR_getxattr: |
30297b55 | 11936 | case TARGET_NR_lgetxattr: |
a790ae38 | 11937 | { |
e3c33ec6 PM |
11938 | void *p, *n, *v = 0; |
11939 | if (arg3) { | |
11940 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
11941 | if (!v) { | |
72eb7ea8 | 11942 | return -TARGET_EFAULT; |
e3c33ec6 PM |
11943 | } |
11944 | } | |
a790ae38 ACH |
11945 | p = lock_user_string(arg1); |
11946 | n = lock_user_string(arg2); | |
e3c33ec6 | 11947 | if (p && n) { |
30297b55 PM |
11948 | if (num == TARGET_NR_getxattr) { |
11949 | ret = get_errno(getxattr(p, n, v, arg4)); | |
11950 | } else { | |
11951 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
11952 | } | |
a790ae38 ACH |
11953 | } else { |
11954 | ret = -TARGET_EFAULT; | |
11955 | } | |
11956 | unlock_user(p, arg1, 0); | |
11957 | unlock_user(n, arg2, 0); | |
11958 | unlock_user(v, arg3, arg4); | |
11959 | } | |
72eb7ea8 | 11960 | return ret; |
30297b55 PM |
11961 | case TARGET_NR_fgetxattr: |
11962 | { | |
11963 | void *n, *v = 0; | |
11964 | if (arg3) { | |
11965 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
11966 | if (!v) { | |
72eb7ea8 | 11967 | return -TARGET_EFAULT; |
30297b55 PM |
11968 | } |
11969 | } | |
11970 | n = lock_user_string(arg2); | |
11971 | if (n) { | |
11972 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
11973 | } else { | |
11974 | ret = -TARGET_EFAULT; | |
11975 | } | |
11976 | unlock_user(n, arg2, 0); | |
11977 | unlock_user(v, arg3, arg4); | |
11978 | } | |
72eb7ea8 | 11979 | return ret; |
a790ae38 | 11980 | case TARGET_NR_removexattr: |
30297b55 | 11981 | case TARGET_NR_lremovexattr: |
a790ae38 ACH |
11982 | { |
11983 | void *p, *n; | |
11984 | p = lock_user_string(arg1); | |
11985 | n = lock_user_string(arg2); | |
11986 | if (p && n) { | |
30297b55 PM |
11987 | if (num == TARGET_NR_removexattr) { |
11988 | ret = get_errno(removexattr(p, n)); | |
11989 | } else { | |
11990 | ret = get_errno(lremovexattr(p, n)); | |
11991 | } | |
a790ae38 ACH |
11992 | } else { |
11993 | ret = -TARGET_EFAULT; | |
11994 | } | |
11995 | unlock_user(p, arg1, 0); | |
11996 | unlock_user(n, arg2, 0); | |
11997 | } | |
72eb7ea8 | 11998 | return ret; |
30297b55 PM |
11999 | case TARGET_NR_fremovexattr: |
12000 | { | |
12001 | void *n; | |
12002 | n = lock_user_string(arg2); | |
12003 | if (n) { | |
12004 | ret = get_errno(fremovexattr(arg1, n)); | |
12005 | } else { | |
12006 | ret = -TARGET_EFAULT; | |
12007 | } | |
12008 | unlock_user(n, arg2, 0); | |
12009 | } | |
72eb7ea8 | 12010 | return ret; |
ebc05488 | 12011 | #endif |
a790ae38 | 12012 | #endif /* CONFIG_ATTR */ |
ebc05488 | 12013 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 12014 | case TARGET_NR_set_thread_area: |
8d18e893 | 12015 | #if defined(TARGET_MIPS) |
d279279e | 12016 | ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1; |
72eb7ea8 | 12017 | return 0; |
ef96779b EI |
12018 | #elif defined(TARGET_CRIS) |
12019 | if (arg1 & 0xff) | |
12020 | ret = -TARGET_EINVAL; | |
12021 | else { | |
12022 | ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; | |
12023 | ret = 0; | |
12024 | } | |
72eb7ea8 | 12025 | return ret; |
8d18e893 | 12026 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 12027 | return do_set_thread_area(cpu_env, arg1); |
1ccd9374 PM |
12028 | #elif defined(TARGET_M68K) |
12029 | { | |
0429a971 | 12030 | TaskState *ts = cpu->opaque; |
1ccd9374 | 12031 | ts->tp_value = arg1; |
72eb7ea8 | 12032 | return 0; |
1ccd9374 | 12033 | } |
6f5b89a0 | 12034 | #else |
10f45d98 | 12035 | return -TARGET_ENOSYS; |
6f5b89a0 TS |
12036 | #endif |
12037 | #endif | |
12038 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 12039 | case TARGET_NR_get_thread_area: |
8d18e893 | 12040 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 12041 | return do_get_thread_area(cpu_env, arg1); |
1ccd9374 PM |
12042 | #elif defined(TARGET_M68K) |
12043 | { | |
0429a971 | 12044 | TaskState *ts = cpu->opaque; |
72eb7ea8 | 12045 | return ts->tp_value; |
1ccd9374 | 12046 | } |
8d18e893 | 12047 | #else |
10f45d98 | 12048 | return -TARGET_ENOSYS; |
48dc41eb | 12049 | #endif |
8d18e893 | 12050 | #endif |
48dc41eb FB |
12051 | #ifdef TARGET_NR_getdomainname |
12052 | case TARGET_NR_getdomainname: | |
10f45d98 | 12053 | return -TARGET_ENOSYS; |
ebc05488 | 12054 | #endif |
6f5b89a0 | 12055 | |
12e3340c MF |
12056 | #ifdef TARGET_NR_clock_settime |
12057 | case TARGET_NR_clock_settime: | |
12058 | { | |
12059 | struct timespec ts; | |
12060 | ||
12061 | ret = target_to_host_timespec(&ts, arg2); | |
12062 | if (!is_error(ret)) { | |
12063 | ret = get_errno(clock_settime(arg1, &ts)); | |
12064 | } | |
72eb7ea8 | 12065 | return ret; |
12e3340c MF |
12066 | } |
12067 | #endif | |
c6c8d102 AF |
12068 | #ifdef TARGET_NR_clock_settime64 |
12069 | case TARGET_NR_clock_settime64: | |
12070 | { | |
12071 | struct timespec ts; | |
12072 | ||
12073 | ret = target_to_host_timespec64(&ts, arg2); | |
12074 | if (!is_error(ret)) { | |
12075 | ret = get_errno(clock_settime(arg1, &ts)); | |
12076 | } | |
12077 | return ret; | |
12078 | } | |
12079 | #endif | |
b5906f95 TS |
12080 | #ifdef TARGET_NR_clock_gettime |
12081 | case TARGET_NR_clock_gettime: | |
12082 | { | |
12083 | struct timespec ts; | |
12084 | ret = get_errno(clock_gettime(arg1, &ts)); | |
12085 | if (!is_error(ret)) { | |
b9f9908e | 12086 | ret = host_to_target_timespec(arg2, &ts); |
b5906f95 | 12087 | } |
72eb7ea8 | 12088 | return ret; |
b5906f95 TS |
12089 | } |
12090 | #endif | |
c6c8d102 AF |
12091 | #ifdef TARGET_NR_clock_gettime64 |
12092 | case TARGET_NR_clock_gettime64: | |
12093 | { | |
12094 | struct timespec ts; | |
12095 | ret = get_errno(clock_gettime(arg1, &ts)); | |
12096 | if (!is_error(ret)) { | |
12097 | ret = host_to_target_timespec64(arg2, &ts); | |
12098 | } | |
12099 | return ret; | |
12100 | } | |
12101 | #endif | |
b5906f95 TS |
12102 | #ifdef TARGET_NR_clock_getres |
12103 | case TARGET_NR_clock_getres: | |
12104 | { | |
12105 | struct timespec ts; | |
12106 | ret = get_errno(clock_getres(arg1, &ts)); | |
12107 | if (!is_error(ret)) { | |
12108 | host_to_target_timespec(arg2, &ts); | |
12109 | } | |
72eb7ea8 | 12110 | return ret; |
b5906f95 TS |
12111 | } |
12112 | #endif | |
828cb3a1 FB |
12113 | #ifdef TARGET_NR_clock_getres_time64 |
12114 | case TARGET_NR_clock_getres_time64: | |
12115 | { | |
12116 | struct timespec ts; | |
12117 | ret = get_errno(clock_getres(arg1, &ts)); | |
12118 | if (!is_error(ret)) { | |
12119 | host_to_target_timespec64(arg2, &ts); | |
12120 | } | |
12121 | return ret; | |
12122 | } | |
12123 | #endif | |
63d7651b PB |
12124 | #ifdef TARGET_NR_clock_nanosleep |
12125 | case TARGET_NR_clock_nanosleep: | |
12126 | { | |
12127 | struct timespec ts; | |
b09d6406 FB |
12128 | if (target_to_host_timespec(&ts, arg3)) { |
12129 | return -TARGET_EFAULT; | |
12130 | } | |
9e518226 PM |
12131 | ret = get_errno(safe_clock_nanosleep(arg1, arg2, |
12132 | &ts, arg4 ? &ts : NULL)); | |
8ec68a0a LV |
12133 | /* |
12134 | * if the call is interrupted by a signal handler, it fails | |
12135 | * with error -TARGET_EINTR and if arg4 is not NULL and arg2 is not | |
12136 | * TIMER_ABSTIME, it returns the remaining unslept time in arg4. | |
12137 | */ | |
b09d6406 FB |
12138 | if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME && |
12139 | host_to_target_timespec(arg4, &ts)) { | |
12140 | return -TARGET_EFAULT; | |
8ec68a0a | 12141 | } |
8fbe8fdf | 12142 | |
72eb7ea8 | 12143 | return ret; |
63d7651b PB |
12144 | } |
12145 | #endif | |
6ac03b2c FB |
12146 | #ifdef TARGET_NR_clock_nanosleep_time64 |
12147 | case TARGET_NR_clock_nanosleep_time64: | |
12148 | { | |
12149 | struct timespec ts; | |
12150 | ||
12151 | if (target_to_host_timespec64(&ts, arg3)) { | |
12152 | return -TARGET_EFAULT; | |
12153 | } | |
12154 | ||
12155 | ret = get_errno(safe_clock_nanosleep(arg1, arg2, | |
12156 | &ts, arg4 ? &ts : NULL)); | |
12157 | ||
12158 | if (ret == -TARGET_EINTR && arg4 && arg2 != TIMER_ABSTIME && | |
12159 | host_to_target_timespec64(arg4, &ts)) { | |
12160 | return -TARGET_EFAULT; | |
12161 | } | |
12162 | return ret; | |
12163 | } | |
12164 | #endif | |
b5906f95 | 12165 | |
6f5b89a0 TS |
12166 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
12167 | case TARGET_NR_set_tid_address: | |
72eb7ea8 | 12168 | return get_errno(set_tid_address((int *)g2h(arg1))); |
6f5b89a0 TS |
12169 | #endif |
12170 | ||
4cae1d16 | 12171 | case TARGET_NR_tkill: |
72eb7ea8 | 12172 | return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 | 12173 | |
71455574 | 12174 | case TARGET_NR_tgkill: |
72eb7ea8 RH |
12175 | return get_errno(safe_tgkill((int)arg1, (int)arg2, |
12176 | target_to_host_signal(arg3))); | |
71455574 | 12177 | |
4f2b1fe8 TS |
12178 | #ifdef TARGET_NR_set_robust_list |
12179 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
12180 | case TARGET_NR_get_robust_list: |
12181 | /* The ABI for supporting robust futexes has userspace pass | |
12182 | * the kernel a pointer to a linked list which is updated by | |
12183 | * userspace after the syscall; the list is walked by the kernel | |
12184 | * when the thread exits. Since the linked list in QEMU guest | |
12185 | * memory isn't a valid linked list for the host and we have | |
12186 | * no way to reliably intercept the thread-death event, we can't | |
12187 | * support these. Silently return ENOSYS so that guest userspace | |
12188 | * falls back to a non-robust futex implementation (which should | |
12189 | * be OK except in the corner case of the guest crashing while | |
12190 | * holding a mutex that is shared with another process via | |
12191 | * shared memory). | |
12192 | */ | |
10f45d98 | 12193 | return -TARGET_ENOSYS; |
4f2b1fe8 TS |
12194 | #endif |
12195 | ||
1acae9f2 | 12196 | #if defined(TARGET_NR_utimensat) |
9007f0ef TS |
12197 | case TARGET_NR_utimensat: |
12198 | { | |
ebc996f3 RV |
12199 | struct timespec *tsp, ts[2]; |
12200 | if (!arg3) { | |
12201 | tsp = NULL; | |
12202 | } else { | |
b3a3af70 FB |
12203 | if (target_to_host_timespec(ts, arg3)) { |
12204 | return -TARGET_EFAULT; | |
12205 | } | |
12206 | if (target_to_host_timespec(ts + 1, arg3 + | |
12207 | sizeof(struct target_timespec))) { | |
12208 | return -TARGET_EFAULT; | |
12209 | } | |
ebc996f3 RV |
12210 | tsp = ts; |
12211 | } | |
9007f0ef | 12212 | if (!arg2) |
ebc996f3 | 12213 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 12214 | else { |
579a97f7 | 12215 | if (!(p = lock_user_string(arg2))) { |
259841c1 | 12216 | return -TARGET_EFAULT; |
579a97f7 | 12217 | } |
ebc996f3 | 12218 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 12219 | unlock_user(p, arg2, 0); |
cac46eb0 FB |
12220 | } |
12221 | } | |
12222 | return ret; | |
12223 | #endif | |
12224 | #ifdef TARGET_NR_utimensat_time64 | |
12225 | case TARGET_NR_utimensat_time64: | |
12226 | { | |
12227 | struct timespec *tsp, ts[2]; | |
12228 | if (!arg3) { | |
12229 | tsp = NULL; | |
12230 | } else { | |
12231 | if (target_to_host_timespec64(ts, arg3)) { | |
12232 | return -TARGET_EFAULT; | |
12233 | } | |
12234 | if (target_to_host_timespec64(ts + 1, arg3 + | |
12235 | sizeof(struct target__kernel_timespec))) { | |
12236 | return -TARGET_EFAULT; | |
12237 | } | |
12238 | tsp = ts; | |
12239 | } | |
12240 | if (!arg2) | |
12241 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); | |
12242 | else { | |
12243 | p = lock_user_string(arg2); | |
12244 | if (!p) { | |
12245 | return -TARGET_EFAULT; | |
12246 | } | |
12247 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); | |
12248 | unlock_user(p, arg2, 0); | |
9007f0ef TS |
12249 | } |
12250 | } | |
72eb7ea8 | 12251 | return ret; |
9007f0ef | 12252 | #endif |
859e8a89 | 12253 | #ifdef TARGET_NR_futex |
bd0c5661 | 12254 | case TARGET_NR_futex: |
72eb7ea8 | 12255 | return do_futex(arg1, arg2, arg3, arg4, arg5, arg6); |
859e8a89 | 12256 | #endif |
14690296 AF |
12257 | #ifdef TARGET_NR_futex_time64 |
12258 | case TARGET_NR_futex_time64: | |
12259 | return do_futex_time64(arg1, arg2, arg3, arg4, arg5, arg6); | |
12260 | #endif | |
dbfe4c36 | 12261 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
39b59763 AJ |
12262 | case TARGET_NR_inotify_init: |
12263 | ret = get_errno(sys_inotify_init()); | |
b929f7e5 PMD |
12264 | if (ret >= 0) { |
12265 | fd_trans_register(ret, &target_inotify_trans); | |
12266 | } | |
72eb7ea8 | 12267 | return ret; |
39b59763 | 12268 | #endif |
a1606b0b | 12269 | #ifdef CONFIG_INOTIFY1 |
c05c7a73 RV |
12270 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) |
12271 | case TARGET_NR_inotify_init1: | |
fea243e9 LD |
12272 | ret = get_errno(sys_inotify_init1(target_to_host_bitmask(arg1, |
12273 | fcntl_flags_tbl))); | |
b929f7e5 PMD |
12274 | if (ret >= 0) { |
12275 | fd_trans_register(ret, &target_inotify_trans); | |
12276 | } | |
72eb7ea8 | 12277 | return ret; |
c05c7a73 | 12278 | #endif |
a1606b0b | 12279 | #endif |
dbfe4c36 | 12280 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) |
39b59763 AJ |
12281 | case TARGET_NR_inotify_add_watch: |
12282 | p = lock_user_string(arg2); | |
12283 | ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); | |
12284 | unlock_user(p, arg2, 0); | |
72eb7ea8 | 12285 | return ret; |
39b59763 | 12286 | #endif |
dbfe4c36 | 12287 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) |
39b59763 | 12288 | case TARGET_NR_inotify_rm_watch: |
72eb7ea8 | 12289 | return get_errno(sys_inotify_rm_watch(arg1, arg2)); |
39b59763 | 12290 | #endif |
9007f0ef | 12291 | |
8ec9cf89 | 12292 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
12293 | case TARGET_NR_mq_open: |
12294 | { | |
c7536ab6 | 12295 | struct mq_attr posix_mq_attr; |
26400775 | 12296 | struct mq_attr *pposix_mq_attr; |
c7536ab6 | 12297 | int host_flags; |
24e1003a | 12298 | |
c7536ab6 | 12299 | host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl); |
26400775 LD |
12300 | pposix_mq_attr = NULL; |
12301 | if (arg4) { | |
12302 | if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) { | |
2852aafd | 12303 | return -TARGET_EFAULT; |
26400775 LD |
12304 | } |
12305 | pposix_mq_attr = &posix_mq_attr; | |
c7536ab6 | 12306 | } |
24e1003a | 12307 | p = lock_user_string(arg1 - 1); |
c7536ab6 | 12308 | if (!p) { |
2852aafd | 12309 | return -TARGET_EFAULT; |
b6ce1f6b | 12310 | } |
26400775 | 12311 | ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr)); |
24e1003a AJ |
12312 | unlock_user (p, arg1, 0); |
12313 | } | |
72eb7ea8 | 12314 | return ret; |
24e1003a AJ |
12315 | |
12316 | case TARGET_NR_mq_unlink: | |
12317 | p = lock_user_string(arg1 - 1); | |
3211215e | 12318 | if (!p) { |
72eb7ea8 | 12319 | return -TARGET_EFAULT; |
3211215e | 12320 | } |
24e1003a AJ |
12321 | ret = get_errno(mq_unlink(p)); |
12322 | unlock_user (p, arg1, 0); | |
72eb7ea8 | 12323 | return ret; |
24e1003a | 12324 | |
859e8a89 | 12325 | #ifdef TARGET_NR_mq_timedsend |
24e1003a AJ |
12326 | case TARGET_NR_mq_timedsend: |
12327 | { | |
12328 | struct timespec ts; | |
12329 | ||
12330 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
12331 | if (arg5 != 0) { | |
dcbcf5cf FB |
12332 | if (target_to_host_timespec(&ts, arg5)) { |
12333 | return -TARGET_EFAULT; | |
12334 | } | |
d40ecd66 | 12335 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); |
dcbcf5cf FB |
12336 | if (!is_error(ret) && host_to_target_timespec(arg5, &ts)) { |
12337 | return -TARGET_EFAULT; | |
12338 | } | |
d40ecd66 PM |
12339 | } else { |
12340 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); | |
24e1003a | 12341 | } |
24e1003a AJ |
12342 | unlock_user (p, arg2, arg3); |
12343 | } | |
72eb7ea8 | 12344 | return ret; |
859e8a89 | 12345 | #endif |
d107e375 FB |
12346 | #ifdef TARGET_NR_mq_timedsend_time64 |
12347 | case TARGET_NR_mq_timedsend_time64: | |
12348 | { | |
12349 | struct timespec ts; | |
12350 | ||
12351 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
12352 | if (arg5 != 0) { | |
12353 | if (target_to_host_timespec64(&ts, arg5)) { | |
12354 | return -TARGET_EFAULT; | |
12355 | } | |
12356 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); | |
12357 | if (!is_error(ret) && host_to_target_timespec64(arg5, &ts)) { | |
12358 | return -TARGET_EFAULT; | |
12359 | } | |
12360 | } else { | |
12361 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); | |
12362 | } | |
12363 | unlock_user(p, arg2, arg3); | |
12364 | } | |
12365 | return ret; | |
12366 | #endif | |
24e1003a | 12367 | |
859e8a89 | 12368 | #ifdef TARGET_NR_mq_timedreceive |
24e1003a AJ |
12369 | case TARGET_NR_mq_timedreceive: |
12370 | { | |
12371 | struct timespec ts; | |
12372 | unsigned int prio; | |
12373 | ||
12374 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
12375 | if (arg5 != 0) { | |
dcbcf5cf FB |
12376 | if (target_to_host_timespec(&ts, arg5)) { |
12377 | return -TARGET_EFAULT; | |
12378 | } | |
d40ecd66 PM |
12379 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, |
12380 | &prio, &ts)); | |
dcbcf5cf FB |
12381 | if (!is_error(ret) && host_to_target_timespec(arg5, &ts)) { |
12382 | return -TARGET_EFAULT; | |
12383 | } | |
d40ecd66 PM |
12384 | } else { |
12385 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
12386 | &prio, NULL)); | |
24e1003a | 12387 | } |
24e1003a AJ |
12388 | unlock_user (p, arg2, arg3); |
12389 | if (arg4 != 0) | |
12390 | put_user_u32(prio, arg4); | |
12391 | } | |
72eb7ea8 | 12392 | return ret; |
859e8a89 | 12393 | #endif |
d107e375 FB |
12394 | #ifdef TARGET_NR_mq_timedreceive_time64 |
12395 | case TARGET_NR_mq_timedreceive_time64: | |
12396 | { | |
12397 | struct timespec ts; | |
12398 | unsigned int prio; | |
12399 | ||
12400 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
12401 | if (arg5 != 0) { | |
12402 | if (target_to_host_timespec64(&ts, arg5)) { | |
12403 | return -TARGET_EFAULT; | |
12404 | } | |
12405 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
12406 | &prio, &ts)); | |
12407 | if (!is_error(ret) && host_to_target_timespec64(arg5, &ts)) { | |
12408 | return -TARGET_EFAULT; | |
12409 | } | |
12410 | } else { | |
12411 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
12412 | &prio, NULL)); | |
12413 | } | |
12414 | unlock_user(p, arg2, arg3); | |
12415 | if (arg4 != 0) { | |
12416 | put_user_u32(prio, arg4); | |
12417 | } | |
12418 | } | |
12419 | return ret; | |
12420 | #endif | |
24e1003a AJ |
12421 | |
12422 | /* Not implemented for now... */ | |
12423 | /* case TARGET_NR_mq_notify: */ | |
12424 | /* break; */ | |
12425 | ||
12426 | case TARGET_NR_mq_getsetattr: | |
12427 | { | |
12428 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
12429 | ret = 0; | |
24e1003a AJ |
12430 | if (arg2 != 0) { |
12431 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
a23ea409 MF |
12432 | ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in, |
12433 | &posix_mq_attr_out)); | |
12434 | } else if (arg3 != 0) { | |
12435 | ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out)); | |
12436 | } | |
12437 | if (ret == 0 && arg3 != 0) { | |
12438 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
24e1003a | 12439 | } |
24e1003a | 12440 | } |
72eb7ea8 | 12441 | return ret; |
24e1003a AJ |
12442 | #endif |
12443 | ||
3ce34dfb VS |
12444 | #ifdef CONFIG_SPLICE |
12445 | #ifdef TARGET_NR_tee | |
12446 | case TARGET_NR_tee: | |
12447 | { | |
12448 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
12449 | } | |
72eb7ea8 | 12450 | return ret; |
3ce34dfb VS |
12451 | #endif |
12452 | #ifdef TARGET_NR_splice | |
12453 | case TARGET_NR_splice: | |
12454 | { | |
12455 | loff_t loff_in, loff_out; | |
12456 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
17644b36 AS |
12457 | if (arg2) { |
12458 | if (get_user_u64(loff_in, arg2)) { | |
2852aafd | 12459 | return -TARGET_EFAULT; |
17644b36 | 12460 | } |
3ce34dfb VS |
12461 | ploff_in = &loff_in; |
12462 | } | |
17644b36 AS |
12463 | if (arg4) { |
12464 | if (get_user_u64(loff_out, arg4)) { | |
2852aafd | 12465 | return -TARGET_EFAULT; |
17644b36 | 12466 | } |
3ce34dfb VS |
12467 | ploff_out = &loff_out; |
12468 | } | |
12469 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
17644b36 AS |
12470 | if (arg2) { |
12471 | if (put_user_u64(loff_in, arg2)) { | |
2852aafd | 12472 | return -TARGET_EFAULT; |
17644b36 AS |
12473 | } |
12474 | } | |
12475 | if (arg4) { | |
12476 | if (put_user_u64(loff_out, arg4)) { | |
2852aafd | 12477 | return -TARGET_EFAULT; |
17644b36 AS |
12478 | } |
12479 | } | |
3ce34dfb | 12480 | } |
72eb7ea8 | 12481 | return ret; |
3ce34dfb VS |
12482 | #endif |
12483 | #ifdef TARGET_NR_vmsplice | |
12484 | case TARGET_NR_vmsplice: | |
12485 | { | |
f287b2c2 RH |
12486 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
12487 | if (vec != NULL) { | |
12488 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
12489 | unlock_iovec(vec, arg2, arg3, 0); | |
12490 | } else { | |
12491 | ret = -host_to_target_errno(errno); | |
12492 | } | |
3ce34dfb | 12493 | } |
72eb7ea8 | 12494 | return ret; |
3ce34dfb VS |
12495 | #endif |
12496 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
12497 | #ifdef CONFIG_EVENTFD |
12498 | #if defined(TARGET_NR_eventfd) | |
12499 | case TARGET_NR_eventfd: | |
12500 | ret = get_errno(eventfd(arg1, 0)); | |
b929f7e5 PMD |
12501 | if (ret >= 0) { |
12502 | fd_trans_register(ret, &target_eventfd_trans); | |
12503 | } | |
72eb7ea8 | 12504 | return ret; |
c2882b96 RV |
12505 | #endif |
12506 | #if defined(TARGET_NR_eventfd2) | |
12507 | case TARGET_NR_eventfd2: | |
5947c697 PJ |
12508 | { |
12509 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)); | |
12510 | if (arg2 & TARGET_O_NONBLOCK) { | |
12511 | host_flags |= O_NONBLOCK; | |
12512 | } | |
12513 | if (arg2 & TARGET_O_CLOEXEC) { | |
12514 | host_flags |= O_CLOEXEC; | |
12515 | } | |
12516 | ret = get_errno(eventfd(arg1, host_flags)); | |
b929f7e5 PMD |
12517 | if (ret >= 0) { |
12518 | fd_trans_register(ret, &target_eventfd_trans); | |
12519 | } | |
72eb7ea8 | 12520 | return ret; |
5947c697 | 12521 | } |
c2882b96 RV |
12522 | #endif |
12523 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
12524 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
12525 | case TARGET_NR_fallocate: | |
20249ae1 AG |
12526 | #if TARGET_ABI_BITS == 32 |
12527 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), | |
12528 | target_offset64(arg5, arg6))); | |
12529 | #else | |
d0927938 | 12530 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 12531 | #endif |
72eb7ea8 | 12532 | return ret; |
c727f47d PM |
12533 | #endif |
12534 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
12535 | #if defined(TARGET_NR_sync_file_range) | |
12536 | case TARGET_NR_sync_file_range: | |
12537 | #if TARGET_ABI_BITS == 32 | |
bfcedc57 RV |
12538 | #if defined(TARGET_MIPS) |
12539 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
12540 | target_offset64(arg5, arg6), arg7)); | |
12541 | #else | |
c727f47d PM |
12542 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
12543 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 12544 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
12545 | #else |
12546 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
12547 | #endif | |
72eb7ea8 | 12548 | return ret; |
c727f47d | 12549 | #endif |
5bcb4986 LV |
12550 | #if defined(TARGET_NR_sync_file_range2) || \ |
12551 | defined(TARGET_NR_arm_sync_file_range) | |
c727f47d PM |
12552 | #if defined(TARGET_NR_sync_file_range2) |
12553 | case TARGET_NR_sync_file_range2: | |
5bcb4986 LV |
12554 | #endif |
12555 | #if defined(TARGET_NR_arm_sync_file_range) | |
12556 | case TARGET_NR_arm_sync_file_range: | |
12557 | #endif | |
c727f47d PM |
12558 | /* This is like sync_file_range but the arguments are reordered */ |
12559 | #if TARGET_ABI_BITS == 32 | |
12560 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
12561 | target_offset64(arg5, arg6), arg2)); | |
12562 | #else | |
12563 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
12564 | #endif | |
72eb7ea8 | 12565 | return ret; |
c727f47d | 12566 | #endif |
3b6edd16 | 12567 | #endif |
e36800c9 LV |
12568 | #if defined(TARGET_NR_signalfd4) |
12569 | case TARGET_NR_signalfd4: | |
72eb7ea8 | 12570 | return do_signalfd4(arg1, arg2, arg4); |
e36800c9 LV |
12571 | #endif |
12572 | #if defined(TARGET_NR_signalfd) | |
12573 | case TARGET_NR_signalfd: | |
72eb7ea8 | 12574 | return do_signalfd4(arg1, arg2, 0); |
e36800c9 | 12575 | #endif |
3b6edd16 PM |
12576 | #if defined(CONFIG_EPOLL) |
12577 | #if defined(TARGET_NR_epoll_create) | |
12578 | case TARGET_NR_epoll_create: | |
72eb7ea8 | 12579 | return get_errno(epoll_create(arg1)); |
3b6edd16 PM |
12580 | #endif |
12581 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
12582 | case TARGET_NR_epoll_create1: | |
386d3865 | 12583 | return get_errno(epoll_create1(target_to_host_bitmask(arg1, fcntl_flags_tbl))); |
3b6edd16 PM |
12584 | #endif |
12585 | #if defined(TARGET_NR_epoll_ctl) | |
12586 | case TARGET_NR_epoll_ctl: | |
12587 | { | |
12588 | struct epoll_event ep; | |
12589 | struct epoll_event *epp = 0; | |
12590 | if (arg4) { | |
12591 | struct target_epoll_event *target_ep; | |
12592 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
2852aafd | 12593 | return -TARGET_EFAULT; |
3b6edd16 PM |
12594 | } |
12595 | ep.events = tswap32(target_ep->events); | |
12596 | /* The epoll_data_t union is just opaque data to the kernel, | |
12597 | * so we transfer all 64 bits across and need not worry what | |
12598 | * actual data type it is. | |
12599 | */ | |
12600 | ep.data.u64 = tswap64(target_ep->data.u64); | |
12601 | unlock_user_struct(target_ep, arg4, 0); | |
12602 | epp = &ep; | |
12603 | } | |
72eb7ea8 | 12604 | return get_errno(epoll_ctl(arg1, arg2, arg3, epp)); |
3b6edd16 PM |
12605 | } |
12606 | #endif | |
12607 | ||
227f0214 | 12608 | #if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
12609 | #if defined(TARGET_NR_epoll_wait) |
12610 | case TARGET_NR_epoll_wait: | |
12611 | #endif | |
227f0214 | 12612 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
12613 | case TARGET_NR_epoll_pwait: |
12614 | #endif | |
12615 | { | |
12616 | struct target_epoll_event *target_ep; | |
12617 | struct epoll_event *ep; | |
12618 | int epfd = arg1; | |
12619 | int maxevents = arg3; | |
12620 | int timeout = arg4; | |
12621 | ||
2ba7fae3 | 12622 | if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) { |
72eb7ea8 | 12623 | return -TARGET_EINVAL; |
2ba7fae3 PM |
12624 | } |
12625 | ||
3b6edd16 PM |
12626 | target_ep = lock_user(VERIFY_WRITE, arg2, |
12627 | maxevents * sizeof(struct target_epoll_event), 1); | |
12628 | if (!target_ep) { | |
2852aafd | 12629 | return -TARGET_EFAULT; |
3b6edd16 PM |
12630 | } |
12631 | ||
04c95f4d PM |
12632 | ep = g_try_new(struct epoll_event, maxevents); |
12633 | if (!ep) { | |
12634 | unlock_user(target_ep, arg2, 0); | |
72eb7ea8 | 12635 | return -TARGET_ENOMEM; |
04c95f4d | 12636 | } |
3b6edd16 PM |
12637 | |
12638 | switch (num) { | |
227f0214 | 12639 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
12640 | case TARGET_NR_epoll_pwait: |
12641 | { | |
12642 | target_sigset_t *target_set; | |
12643 | sigset_t _set, *set = &_set; | |
12644 | ||
12645 | if (arg5) { | |
c815701e PM |
12646 | if (arg6 != sizeof(target_sigset_t)) { |
12647 | ret = -TARGET_EINVAL; | |
12648 | break; | |
12649 | } | |
12650 | ||
3b6edd16 PM |
12651 | target_set = lock_user(VERIFY_READ, arg5, |
12652 | sizeof(target_sigset_t), 1); | |
12653 | if (!target_set) { | |
04c95f4d PM |
12654 | ret = -TARGET_EFAULT; |
12655 | break; | |
3b6edd16 PM |
12656 | } |
12657 | target_to_host_sigset(set, target_set); | |
12658 | unlock_user(target_set, arg5, 0); | |
12659 | } else { | |
12660 | set = NULL; | |
12661 | } | |
12662 | ||
227f0214 PM |
12663 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
12664 | set, SIGSET_T_SIZE)); | |
3b6edd16 PM |
12665 | break; |
12666 | } | |
12667 | #endif | |
12668 | #if defined(TARGET_NR_epoll_wait) | |
12669 | case TARGET_NR_epoll_wait: | |
227f0214 PM |
12670 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
12671 | NULL, 0)); | |
3b6edd16 PM |
12672 | break; |
12673 | #endif | |
12674 | default: | |
12675 | ret = -TARGET_ENOSYS; | |
12676 | } | |
12677 | if (!is_error(ret)) { | |
12678 | int i; | |
12679 | for (i = 0; i < ret; i++) { | |
12680 | target_ep[i].events = tswap32(ep[i].events); | |
12681 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
12682 | } | |
04c95f4d PM |
12683 | unlock_user(target_ep, arg2, |
12684 | ret * sizeof(struct target_epoll_event)); | |
12685 | } else { | |
12686 | unlock_user(target_ep, arg2, 0); | |
3b6edd16 | 12687 | } |
04c95f4d | 12688 | g_free(ep); |
72eb7ea8 | 12689 | return ret; |
3b6edd16 PM |
12690 | } |
12691 | #endif | |
163a05a8 PM |
12692 | #endif |
12693 | #ifdef TARGET_NR_prlimit64 | |
12694 | case TARGET_NR_prlimit64: | |
12695 | { | |
12696 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
12697 | struct target_rlimit64 *target_rnew, *target_rold; | |
12698 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
95018018 | 12699 | int resource = target_to_host_resource(arg2); |
055d92f8 TK |
12700 | |
12701 | if (arg3 && (resource != RLIMIT_AS && | |
12702 | resource != RLIMIT_DATA && | |
12703 | resource != RLIMIT_STACK)) { | |
163a05a8 | 12704 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { |
2852aafd | 12705 | return -TARGET_EFAULT; |
163a05a8 PM |
12706 | } |
12707 | rnew.rlim_cur = tswap64(target_rnew->rlim_cur); | |
12708 | rnew.rlim_max = tswap64(target_rnew->rlim_max); | |
12709 | unlock_user_struct(target_rnew, arg3, 0); | |
12710 | rnewp = &rnew; | |
12711 | } | |
12712 | ||
95018018 | 12713 | ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0)); |
163a05a8 PM |
12714 | if (!is_error(ret) && arg4) { |
12715 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
2852aafd | 12716 | return -TARGET_EFAULT; |
163a05a8 PM |
12717 | } |
12718 | target_rold->rlim_cur = tswap64(rold.rlim_cur); | |
12719 | target_rold->rlim_max = tswap64(rold.rlim_max); | |
12720 | unlock_user_struct(target_rold, arg4, 1); | |
12721 | } | |
72eb7ea8 | 12722 | return ret; |
163a05a8 | 12723 | } |
3d21d29c RH |
12724 | #endif |
12725 | #ifdef TARGET_NR_gethostname | |
12726 | case TARGET_NR_gethostname: | |
12727 | { | |
12728 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
12729 | if (name) { | |
12730 | ret = get_errno(gethostname(name, arg2)); | |
12731 | unlock_user(name, arg1, arg2); | |
12732 | } else { | |
12733 | ret = -TARGET_EFAULT; | |
12734 | } | |
72eb7ea8 | 12735 | return ret; |
3d21d29c | 12736 | } |
89aaf1a6 RV |
12737 | #endif |
12738 | #ifdef TARGET_NR_atomic_cmpxchg_32 | |
12739 | case TARGET_NR_atomic_cmpxchg_32: | |
12740 | { | |
12741 | /* should use start_exclusive from main.c */ | |
12742 | abi_ulong mem_value; | |
12743 | if (get_user_u32(mem_value, arg6)) { | |
12744 | target_siginfo_t info; | |
12745 | info.si_signo = SIGSEGV; | |
12746 | info.si_errno = 0; | |
12747 | info.si_code = TARGET_SEGV_MAPERR; | |
12748 | info._sifields._sigfault._addr = arg6; | |
9d2803f7 PM |
12749 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
12750 | QEMU_SI_FAULT, &info); | |
89aaf1a6 RV |
12751 | ret = 0xdeadbeef; |
12752 | ||
12753 | } | |
12754 | if (mem_value == arg2) | |
12755 | put_user_u32(arg1, arg6); | |
72eb7ea8 | 12756 | return mem_value; |
89aaf1a6 RV |
12757 | } |
12758 | #endif | |
12759 | #ifdef TARGET_NR_atomic_barrier | |
12760 | case TARGET_NR_atomic_barrier: | |
72eb7ea8 RH |
12761 | /* Like the kernel implementation and the |
12762 | qemu arm barrier, no-op this? */ | |
12763 | return 0; | |
d0927938 | 12764 | #endif |
f4f1e10a ECL |
12765 | |
12766 | #ifdef TARGET_NR_timer_create | |
12767 | case TARGET_NR_timer_create: | |
12768 | { | |
12769 | /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */ | |
12770 | ||
12771 | struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL; | |
f4f1e10a ECL |
12772 | |
12773 | int clkid = arg1; | |
12774 | int timer_index = next_free_host_timer(); | |
12775 | ||
12776 | if (timer_index < 0) { | |
12777 | ret = -TARGET_EAGAIN; | |
12778 | } else { | |
12779 | timer_t *phtimer = g_posix_timers + timer_index; | |
12780 | ||
12781 | if (arg2) { | |
f4f1e10a | 12782 | phost_sevp = &host_sevp; |
c065976f PM |
12783 | ret = target_to_host_sigevent(phost_sevp, arg2); |
12784 | if (ret != 0) { | |
72eb7ea8 | 12785 | return ret; |
c065976f | 12786 | } |
f4f1e10a ECL |
12787 | } |
12788 | ||
12789 | ret = get_errno(timer_create(clkid, phost_sevp, phtimer)); | |
12790 | if (ret) { | |
12791 | phtimer = NULL; | |
12792 | } else { | |
aecc8861 | 12793 | if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { |
2852aafd | 12794 | return -TARGET_EFAULT; |
f4f1e10a | 12795 | } |
f4f1e10a ECL |
12796 | } |
12797 | } | |
72eb7ea8 | 12798 | return ret; |
f4f1e10a ECL |
12799 | } |
12800 | #endif | |
12801 | ||
12802 | #ifdef TARGET_NR_timer_settime | |
12803 | case TARGET_NR_timer_settime: | |
12804 | { | |
12805 | /* args: timer_t timerid, int flags, const struct itimerspec *new_value, | |
12806 | * struct itimerspec * old_value */ | |
aecc8861 | 12807 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12808 | |
aecc8861 AG |
12809 | if (timerid < 0) { |
12810 | ret = timerid; | |
12811 | } else if (arg3 == 0) { | |
f4f1e10a ECL |
12812 | ret = -TARGET_EINVAL; |
12813 | } else { | |
e52a99f7 | 12814 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
12815 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; |
12816 | ||
40c80b5e | 12817 | if (target_to_host_itimerspec(&hspec_new, arg3)) { |
2852aafd | 12818 | return -TARGET_EFAULT; |
40c80b5e | 12819 | } |
f4f1e10a ECL |
12820 | ret = get_errno( |
12821 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
40c80b5e | 12822 | if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) { |
2852aafd | 12823 | return -TARGET_EFAULT; |
40c80b5e | 12824 | } |
f4f1e10a | 12825 | } |
72eb7ea8 | 12826 | return ret; |
f4f1e10a ECL |
12827 | } |
12828 | #endif | |
12829 | ||
828cb3a1 FB |
12830 | #ifdef TARGET_NR_timer_settime64 |
12831 | case TARGET_NR_timer_settime64: | |
12832 | { | |
12833 | target_timer_t timerid = get_timer_id(arg1); | |
12834 | ||
12835 | if (timerid < 0) { | |
12836 | ret = timerid; | |
12837 | } else if (arg3 == 0) { | |
12838 | ret = -TARGET_EINVAL; | |
12839 | } else { | |
12840 | timer_t htimer = g_posix_timers[timerid]; | |
12841 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; | |
12842 | ||
12843 | if (target_to_host_itimerspec64(&hspec_new, arg3)) { | |
12844 | return -TARGET_EFAULT; | |
12845 | } | |
12846 | ret = get_errno( | |
12847 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
12848 | if (arg4 && host_to_target_itimerspec64(arg4, &hspec_old)) { | |
12849 | return -TARGET_EFAULT; | |
12850 | } | |
12851 | } | |
12852 | return ret; | |
12853 | } | |
12854 | #endif | |
12855 | ||
f4f1e10a ECL |
12856 | #ifdef TARGET_NR_timer_gettime |
12857 | case TARGET_NR_timer_gettime: | |
12858 | { | |
12859 | /* args: timer_t timerid, struct itimerspec *curr_value */ | |
aecc8861 | 12860 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12861 | |
aecc8861 AG |
12862 | if (timerid < 0) { |
12863 | ret = timerid; | |
12864 | } else if (!arg2) { | |
12865 | ret = -TARGET_EFAULT; | |
f4f1e10a | 12866 | } else { |
e52a99f7 | 12867 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
12868 | struct itimerspec hspec; |
12869 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
12870 | ||
12871 | if (host_to_target_itimerspec(arg2, &hspec)) { | |
12872 | ret = -TARGET_EFAULT; | |
12873 | } | |
12874 | } | |
72eb7ea8 | 12875 | return ret; |
f4f1e10a ECL |
12876 | } |
12877 | #endif | |
12878 | ||
828cb3a1 FB |
12879 | #ifdef TARGET_NR_timer_gettime64 |
12880 | case TARGET_NR_timer_gettime64: | |
12881 | { | |
12882 | /* args: timer_t timerid, struct itimerspec64 *curr_value */ | |
12883 | target_timer_t timerid = get_timer_id(arg1); | |
12884 | ||
12885 | if (timerid < 0) { | |
12886 | ret = timerid; | |
12887 | } else if (!arg2) { | |
12888 | ret = -TARGET_EFAULT; | |
12889 | } else { | |
12890 | timer_t htimer = g_posix_timers[timerid]; | |
12891 | struct itimerspec hspec; | |
12892 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
12893 | ||
12894 | if (host_to_target_itimerspec64(arg2, &hspec)) { | |
12895 | ret = -TARGET_EFAULT; | |
12896 | } | |
12897 | } | |
12898 | return ret; | |
12899 | } | |
12900 | #endif | |
12901 | ||
f4f1e10a ECL |
12902 | #ifdef TARGET_NR_timer_getoverrun |
12903 | case TARGET_NR_timer_getoverrun: | |
12904 | { | |
12905 | /* args: timer_t timerid */ | |
aecc8861 | 12906 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12907 | |
aecc8861 AG |
12908 | if (timerid < 0) { |
12909 | ret = timerid; | |
f4f1e10a | 12910 | } else { |
e52a99f7 | 12911 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
12912 | ret = get_errno(timer_getoverrun(htimer)); |
12913 | } | |
72eb7ea8 | 12914 | return ret; |
f4f1e10a ECL |
12915 | } |
12916 | #endif | |
12917 | ||
12918 | #ifdef TARGET_NR_timer_delete | |
12919 | case TARGET_NR_timer_delete: | |
12920 | { | |
12921 | /* args: timer_t timerid */ | |
aecc8861 | 12922 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12923 | |
aecc8861 AG |
12924 | if (timerid < 0) { |
12925 | ret = timerid; | |
f4f1e10a | 12926 | } else { |
e52a99f7 | 12927 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a | 12928 | ret = get_errno(timer_delete(htimer)); |
e52a99f7 | 12929 | g_posix_timers[timerid] = 0; |
f4f1e10a | 12930 | } |
72eb7ea8 | 12931 | return ret; |
f4f1e10a ECL |
12932 | } |
12933 | #endif | |
12934 | ||
51834341 RV |
12935 | #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) |
12936 | case TARGET_NR_timerfd_create: | |
72eb7ea8 RH |
12937 | return get_errno(timerfd_create(arg1, |
12938 | target_to_host_bitmask(arg2, fcntl_flags_tbl))); | |
51834341 RV |
12939 | #endif |
12940 | ||
12941 | #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) | |
12942 | case TARGET_NR_timerfd_gettime: | |
12943 | { | |
12944 | struct itimerspec its_curr; | |
12945 | ||
12946 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
12947 | ||
12948 | if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { | |
2852aafd | 12949 | return -TARGET_EFAULT; |
51834341 RV |
12950 | } |
12951 | } | |
72eb7ea8 | 12952 | return ret; |
51834341 RV |
12953 | #endif |
12954 | ||
828cb3a1 FB |
12955 | #if defined(TARGET_NR_timerfd_gettime64) && defined(CONFIG_TIMERFD) |
12956 | case TARGET_NR_timerfd_gettime64: | |
12957 | { | |
12958 | struct itimerspec its_curr; | |
12959 | ||
12960 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
12961 | ||
12962 | if (arg2 && host_to_target_itimerspec64(arg2, &its_curr)) { | |
12963 | return -TARGET_EFAULT; | |
12964 | } | |
12965 | } | |
12966 | return ret; | |
12967 | #endif | |
12968 | ||
51834341 RV |
12969 | #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) |
12970 | case TARGET_NR_timerfd_settime: | |
12971 | { | |
12972 | struct itimerspec its_new, its_old, *p_new; | |
12973 | ||
12974 | if (arg3) { | |
12975 | if (target_to_host_itimerspec(&its_new, arg3)) { | |
2852aafd | 12976 | return -TARGET_EFAULT; |
51834341 RV |
12977 | } |
12978 | p_new = &its_new; | |
12979 | } else { | |
12980 | p_new = NULL; | |
12981 | } | |
12982 | ||
12983 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
12984 | ||
12985 | if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { | |
2852aafd | 12986 | return -TARGET_EFAULT; |
51834341 RV |
12987 | } |
12988 | } | |
72eb7ea8 | 12989 | return ret; |
51834341 RV |
12990 | #endif |
12991 | ||
828cb3a1 FB |
12992 | #if defined(TARGET_NR_timerfd_settime64) && defined(CONFIG_TIMERFD) |
12993 | case TARGET_NR_timerfd_settime64: | |
12994 | { | |
12995 | struct itimerspec its_new, its_old, *p_new; | |
12996 | ||
12997 | if (arg3) { | |
12998 | if (target_to_host_itimerspec64(&its_new, arg3)) { | |
12999 | return -TARGET_EFAULT; | |
13000 | } | |
13001 | p_new = &its_new; | |
13002 | } else { | |
13003 | p_new = NULL; | |
13004 | } | |
13005 | ||
13006 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
13007 | ||
13008 | if (arg4 && host_to_target_itimerspec64(arg4, &its_old)) { | |
13009 | return -TARGET_EFAULT; | |
13010 | } | |
13011 | } | |
13012 | return ret; | |
13013 | #endif | |
13014 | ||
ab31cda3 PB |
13015 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
13016 | case TARGET_NR_ioprio_get: | |
72eb7ea8 | 13017 | return get_errno(ioprio_get(arg1, arg2)); |
ab31cda3 PB |
13018 | #endif |
13019 | ||
13020 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
13021 | case TARGET_NR_ioprio_set: | |
72eb7ea8 | 13022 | return get_errno(ioprio_set(arg1, arg2, arg3)); |
ab31cda3 PB |
13023 | #endif |
13024 | ||
9af5c906 RV |
13025 | #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) |
13026 | case TARGET_NR_setns: | |
72eb7ea8 | 13027 | return get_errno(setns(arg1, arg2)); |
9af5c906 RV |
13028 | #endif |
13029 | #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) | |
13030 | case TARGET_NR_unshare: | |
72eb7ea8 | 13031 | return get_errno(unshare(arg1)); |
9af5c906 | 13032 | #endif |
2f14788c LV |
13033 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
13034 | case TARGET_NR_kcmp: | |
72eb7ea8 | 13035 | return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); |
2f14788c | 13036 | #endif |
fa97e38e RH |
13037 | #ifdef TARGET_NR_swapcontext |
13038 | case TARGET_NR_swapcontext: | |
13039 | /* PowerPC specific. */ | |
72eb7ea8 | 13040 | return do_swapcontext(cpu_env, arg1, arg2, arg3); |
fa97e38e | 13041 | #endif |
9bdfa4d2 SCW |
13042 | #ifdef TARGET_NR_memfd_create |
13043 | case TARGET_NR_memfd_create: | |
13044 | p = lock_user_string(arg1); | |
13045 | if (!p) { | |
13046 | return -TARGET_EFAULT; | |
13047 | } | |
13048 | ret = get_errno(memfd_create(p, arg2)); | |
13049 | fd_trans_unregister(ret); | |
13050 | unlock_user(p, arg1, 0); | |
13051 | return ret; | |
13052 | #endif | |
8500476f AS |
13053 | #if defined TARGET_NR_membarrier && defined __NR_membarrier |
13054 | case TARGET_NR_membarrier: | |
13055 | return get_errno(membarrier(arg1, arg2)); | |
13056 | #endif | |
9af5c906 | 13057 | |
31e31b8a | 13058 | default: |
122f9c83 | 13059 | qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); |
72eb7ea8 | 13060 | return -TARGET_ENOSYS; |
31e31b8a | 13061 | } |
31e31b8a FB |
13062 | return ret; |
13063 | } | |
dc1ce18b RH |
13064 | |
13065 | abi_long do_syscall(void *cpu_env, int num, abi_long arg1, | |
13066 | abi_long arg2, abi_long arg3, abi_long arg4, | |
13067 | abi_long arg5, abi_long arg6, abi_long arg7, | |
13068 | abi_long arg8) | |
13069 | { | |
29a0af61 | 13070 | CPUState *cpu = env_cpu(cpu_env); |
dc1ce18b RH |
13071 | abi_long ret; |
13072 | ||
13073 | #ifdef DEBUG_ERESTARTSYS | |
13074 | /* Debug-only code for exercising the syscall-restart code paths | |
13075 | * in the per-architecture cpu main loops: restart every syscall | |
13076 | * the guest makes once before letting it through. | |
13077 | */ | |
13078 | { | |
13079 | static bool flag; | |
13080 | flag = !flag; | |
13081 | if (flag) { | |
13082 | return -TARGET_ERESTARTSYS; | |
13083 | } | |
13084 | } | |
13085 | #endif | |
13086 | ||
c36f7a64 EC |
13087 | record_syscall_start(cpu, num, arg1, |
13088 | arg2, arg3, arg4, arg5, arg6, arg7, arg8); | |
dc1ce18b | 13089 | |
4b25a506 | 13090 | if (unlikely(qemu_loglevel_mask(LOG_STRACE))) { |
e400e119 | 13091 | print_syscall(cpu_env, num, arg1, arg2, arg3, arg4, arg5, arg6); |
4b25a506 JK |
13092 | } |
13093 | ||
13094 | ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4, | |
13095 | arg5, arg6, arg7, arg8); | |
13096 | ||
13097 | if (unlikely(qemu_loglevel_mask(LOG_STRACE))) { | |
e400e119 FB |
13098 | print_syscall_ret(cpu_env, num, ret, arg1, arg2, |
13099 | arg3, arg4, arg5, arg6); | |
dc1ce18b RH |
13100 | } |
13101 | ||
c36f7a64 | 13102 | record_syscall_return(cpu, num, ret); |
dc1ce18b RH |
13103 | return ret; |
13104 | } |