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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> |
e865b97f CG |
115 | #ifdef HAVE_DRM_H |
116 | #include <libdrm/drm.h> | |
117 | #endif | |
d7e4036e | 118 | #include "linux_loop.h" |
18cb0088 | 119 | #include "uname.h" |
31e31b8a | 120 | |
3ef693a0 | 121 | #include "qemu.h" |
5ebdd774 | 122 | #include "qemu/guest-random.h" |
01ef6b9e | 123 | #include "qemu/selfmap.h" |
c36f7a64 | 124 | #include "user/syscall-trace.h" |
51977e25 | 125 | #include "qapi/error.h" |
f7e6a401 | 126 | #include "fd-trans.h" |
dcb32f1d | 127 | #include "tcg/tcg.h" |
31e31b8a | 128 | |
5ea2fc84 PM |
129 | #ifndef CLONE_IO |
130 | #define CLONE_IO 0x80000000 /* Clone io context */ | |
131 | #endif | |
132 | ||
133 | /* We can't directly call the host clone syscall, because this will | |
134 | * badly confuse libc (breaking mutexes, for example). So we must | |
135 | * divide clone flags into: | |
136 | * * flag combinations that look like pthread_create() | |
137 | * * flag combinations that look like fork() | |
138 | * * flags we can implement within QEMU itself | |
139 | * * flags we can't support and will return an error for | |
140 | */ | |
141 | /* For thread creation, all these flags must be present; for | |
142 | * fork, none must be present. | |
143 | */ | |
144 | #define CLONE_THREAD_FLAGS \ | |
145 | (CLONE_VM | CLONE_FS | CLONE_FILES | \ | |
146 | CLONE_SIGHAND | CLONE_THREAD | CLONE_SYSVSEM) | |
147 | ||
148 | /* These flags are ignored: | |
149 | * CLONE_DETACHED is now ignored by the kernel; | |
150 | * CLONE_IO is just an optimisation hint to the I/O scheduler | |
151 | */ | |
152 | #define CLONE_IGNORED_FLAGS \ | |
153 | (CLONE_DETACHED | CLONE_IO) | |
154 | ||
155 | /* Flags for fork which we can implement within QEMU itself */ | |
156 | #define CLONE_OPTIONAL_FORK_FLAGS \ | |
157 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
158 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID) | |
159 | ||
160 | /* Flags for thread creation which we can implement within QEMU itself */ | |
161 | #define CLONE_OPTIONAL_THREAD_FLAGS \ | |
162 | (CLONE_SETTLS | CLONE_PARENT_SETTID | \ | |
163 | CLONE_CHILD_CLEARTID | CLONE_CHILD_SETTID | CLONE_PARENT) | |
164 | ||
165 | #define CLONE_INVALID_FORK_FLAGS \ | |
166 | (~(CSIGNAL | CLONE_OPTIONAL_FORK_FLAGS | CLONE_IGNORED_FLAGS)) | |
167 | ||
168 | #define CLONE_INVALID_THREAD_FLAGS \ | |
169 | (~(CSIGNAL | CLONE_THREAD_FLAGS | CLONE_OPTIONAL_THREAD_FLAGS | \ | |
170 | CLONE_IGNORED_FLAGS)) | |
171 | ||
172 | /* CLONE_VFORK is special cased early in do_fork(). The other flag bits | |
173 | * have almost all been allocated. We cannot support any of | |
174 | * CLONE_NEWNS, CLONE_NEWCGROUP, CLONE_NEWUTS, CLONE_NEWIPC, | |
175 | * CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_PTRACE, CLONE_UNTRACED. | |
176 | * The checks against the invalid thread masks above will catch these. | |
177 | * (The one remaining unallocated bit is 0x1000 which used to be CLONE_PID.) | |
178 | */ | |
30813cea | 179 | |
71a8f7fe TB |
180 | /* Define DEBUG_ERESTARTSYS to force every syscall to be restarted |
181 | * once. This exercises the codepaths for restart. | |
182 | */ | |
183 | //#define DEBUG_ERESTARTSYS | |
31e31b8a | 184 | |
1a9353d2 | 185 | //#include <linux/msdos_fs.h> |
6556a833 AJ |
186 | #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
187 | #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) | |
1a9353d2 | 188 | |
70a194b9 FB |
189 | #undef _syscall0 |
190 | #undef _syscall1 | |
191 | #undef _syscall2 | |
192 | #undef _syscall3 | |
193 | #undef _syscall4 | |
194 | #undef _syscall5 | |
83fcb515 | 195 | #undef _syscall6 |
70a194b9 | 196 | |
83fcb515 | 197 | #define _syscall0(type,name) \ |
8fcd3692 | 198 | static type name (void) \ |
83fcb515 FB |
199 | { \ |
200 | return syscall(__NR_##name); \ | |
201 | } | |
70a194b9 | 202 | |
83fcb515 | 203 | #define _syscall1(type,name,type1,arg1) \ |
8fcd3692 | 204 | static type name (type1 arg1) \ |
83fcb515 FB |
205 | { \ |
206 | return syscall(__NR_##name, arg1); \ | |
70a194b9 FB |
207 | } |
208 | ||
83fcb515 | 209 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
8fcd3692 | 210 | static type name (type1 arg1,type2 arg2) \ |
83fcb515 FB |
211 | { \ |
212 | return syscall(__NR_##name, arg1, arg2); \ | |
70a194b9 FB |
213 | } |
214 | ||
83fcb515 | 215 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
8fcd3692 | 216 | static type name (type1 arg1,type2 arg2,type3 arg3) \ |
83fcb515 FB |
217 | { \ |
218 | return syscall(__NR_##name, arg1, arg2, arg3); \ | |
70a194b9 FB |
219 | } |
220 | ||
83fcb515 | 221 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
8fcd3692 | 222 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
83fcb515 FB |
223 | { \ |
224 | return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
70a194b9 FB |
225 | } |
226 | ||
83fcb515 FB |
227 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
228 | type5,arg5) \ | |
8fcd3692 | 229 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
83fcb515 FB |
230 | { \ |
231 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
70a194b9 FB |
232 | } |
233 | ||
83fcb515 FB |
234 | |
235 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ | |
236 | type5,arg5,type6,arg6) \ | |
8fcd3692 BS |
237 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ |
238 | type6 arg6) \ | |
83fcb515 FB |
239 | { \ |
240 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
70a194b9 | 241 | } |
83fcb515 | 242 | |
70a194b9 | 243 | |
31e31b8a | 244 | #define __NR_sys_uname __NR_uname |
72f03900 | 245 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 246 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 247 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 248 | #define __NR_sys_getpriority __NR_getpriority |
66fb9763 | 249 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
cf8b8bfc | 250 | #define __NR_sys_rt_tgsigqueueinfo __NR_rt_tgsigqueueinfo |
7494b0f9 | 251 | #define __NR_sys_syslog __NR_syslog |
14690296 AF |
252 | #if defined(__NR_futex) |
253 | # define __NR_sys_futex __NR_futex | |
254 | #endif | |
255 | #if defined(__NR_futex_time64) | |
256 | # define __NR_sys_futex_time64 __NR_futex_time64 | |
257 | #endif | |
39b59763 AJ |
258 | #define __NR_sys_inotify_init __NR_inotify_init |
259 | #define __NR_sys_inotify_add_watch __NR_inotify_add_watch | |
260 | #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch | |
efa92184 | 261 | #define __NR_sys_statx __NR_statx |
31e31b8a | 262 | |
b1cef6d0 | 263 | #if defined(__alpha__) || defined(__x86_64__) || defined(__s390x__) |
9af9eaaa FB |
264 | #define __NR__llseek __NR_lseek |
265 | #endif | |
266 | ||
a29e5ba2 JH |
267 | /* Newer kernel ports have llseek() instead of _llseek() */ |
268 | #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek) | |
269 | #define TARGET_NR__llseek TARGET_NR_llseek | |
270 | #endif | |
271 | ||
71ba74f6 DB |
272 | #define __NR_sys_gettid __NR_gettid |
273 | _syscall0(int, sys_gettid) | |
2b3f64cb PM |
274 | |
275 | /* For the 64-bit guest on 32-bit host case we must emulate | |
276 | * getdents using getdents64, because otherwise the host | |
277 | * might hand us back more dirent records than we can fit | |
278 | * into the guest buffer after structure format conversion. | |
279 | * Otherwise we emulate getdents with getdents if the host has it. | |
280 | */ | |
281 | #if defined(__NR_getdents) && HOST_LONG_BITS >= TARGET_ABI_BITS | |
282 | #define EMULATE_GETDENTS_WITH_GETDENTS | |
283 | #endif | |
284 | ||
285 | #if defined(TARGET_NR_getdents) && defined(EMULATE_GETDENTS_WITH_GETDENTS) | |
3b3f24ad | 286 | _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
3307e236 | 287 | #endif |
2b3f64cb PM |
288 | #if (defined(TARGET_NR_getdents) && \ |
289 | !defined(EMULATE_GETDENTS_WITH_GETDENTS)) || \ | |
3307e236 | 290 | (defined(TARGET_NR_getdents64) && defined(__NR_getdents64)) |
3b3f24ad AJ |
291 | _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
292 | #endif | |
d35b261c | 293 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
3b3f24ad AJ |
294 | _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
295 | loff_t *, res, uint, wh); | |
296 | #endif | |
c1a402a7 | 297 | _syscall3(int, sys_rt_sigqueueinfo, pid_t, pid, int, sig, siginfo_t *, uinfo) |
cf8b8bfc MS |
298 | _syscall4(int, sys_rt_tgsigqueueinfo, pid_t, pid, pid_t, tid, int, sig, |
299 | siginfo_t *, uinfo) | |
3b3f24ad | 300 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) |
3b3f24ad AJ |
301 | #ifdef __NR_exit_group |
302 | _syscall1(int,exit_group,int,error_code) | |
303 | #endif | |
304 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) | |
305 | _syscall1(int,set_tid_address,int *,tidptr) | |
306 | #endif | |
14690296 | 307 | #if defined(__NR_futex) |
3b3f24ad AJ |
308 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, |
309 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
310 | #endif | |
14690296 AF |
311 | #if defined(__NR_futex_time64) |
312 | _syscall6(int,sys_futex_time64,int *,uaddr,int,op,int,val, | |
313 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
314 | #endif | |
737de1d1 MF |
315 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
316 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
317 | unsigned long *, user_mask_ptr); | |
318 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
319 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
320 | unsigned long *, user_mask_ptr); | |
b827c3ed ST |
321 | #define __NR_sys_getcpu __NR_getcpu |
322 | _syscall3(int, sys_getcpu, unsigned *, cpu, unsigned *, node, void *, tcache); | |
0f6b4d21 AG |
323 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
324 | void *, arg); | |
e0eb210e PM |
325 | _syscall2(int, capget, struct __user_cap_header_struct *, header, |
326 | struct __user_cap_data_struct *, data); | |
327 | _syscall2(int, capset, struct __user_cap_header_struct *, header, | |
328 | struct __user_cap_data_struct *, data); | |
ab31cda3 PB |
329 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
330 | _syscall2(int, ioprio_get, int, which, int, who) | |
331 | #endif | |
332 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
333 | _syscall3(int, ioprio_set, int, which, int, who, int, ioprio) | |
334 | #endif | |
f894efd1 LV |
335 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
336 | _syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags) | |
337 | #endif | |
3b3f24ad | 338 | |
2f14788c LV |
339 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
340 | _syscall5(int, kcmp, pid_t, pid1, pid_t, pid2, int, type, | |
341 | unsigned long, idx1, unsigned long, idx2) | |
342 | #endif | |
343 | ||
efa92184 AR |
344 | /* |
345 | * It is assumed that struct statx is architecture independent. | |
346 | */ | |
347 | #if defined(TARGET_NR_statx) && defined(__NR_statx) | |
348 | _syscall5(int, sys_statx, int, dirfd, const char *, pathname, int, flags, | |
349 | unsigned int, mask, struct target_statx *, statxbuf) | |
350 | #endif | |
8500476f AS |
351 | #if defined(TARGET_NR_membarrier) && defined(__NR_membarrier) |
352 | _syscall2(int, membarrier, int, cmd, int, flags) | |
353 | #endif | |
efa92184 | 354 | |
3b3f24ad AJ |
355 | static bitmask_transtbl fcntl_flags_tbl[] = { |
356 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, | |
357 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
358 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
359 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
360 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
361 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
362 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
363 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 364 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
365 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
366 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
367 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
368 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
369 | #if defined(O_DIRECT) |
370 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
371 | #endif |
372 | #if defined(O_NOATIME) | |
373 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
374 | #endif | |
375 | #if defined(O_CLOEXEC) | |
376 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
377 | #endif | |
378 | #if defined(O_PATH) | |
379 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
5f9cee46 RV |
380 | #endif |
381 | #if defined(O_TMPFILE) | |
382 | { TARGET_O_TMPFILE, TARGET_O_TMPFILE, O_TMPFILE, O_TMPFILE }, | |
afc8763f RH |
383 | #endif |
384 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
385 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
386 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad AJ |
387 | #endif |
388 | { 0, 0, 0, 0 } | |
389 | }; | |
390 | ||
3b3f24ad AJ |
391 | static int sys_getcwd1(char *buf, size_t size) |
392 | { | |
393 | if (getcwd(buf, size) == NULL) { | |
394 | /* getcwd() sets errno */ | |
395 | return (-1); | |
396 | } | |
aaf4ad39 | 397 | return strlen(buf)+1; |
3b3f24ad AJ |
398 | } |
399 | ||
1acae9f2 | 400 | #ifdef TARGET_NR_utimensat |
700fa58e | 401 | #if defined(__NR_utimensat) |
1acae9f2 | 402 | #define __NR_sys_utimensat __NR_utimensat |
9007f0ef TS |
403 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
404 | const struct timespec *,tsp,int,flags) | |
1acae9f2 PM |
405 | #else |
406 | static int sys_utimensat(int dirfd, const char *pathname, | |
407 | const struct timespec times[2], int flags) | |
408 | { | |
409 | errno = ENOSYS; | |
410 | return -1; | |
411 | } | |
9007f0ef | 412 | #endif |
1acae9f2 | 413 | #endif /* TARGET_NR_utimensat */ |
3b3f24ad | 414 | |
95d0307c AS |
415 | #ifdef TARGET_NR_renameat2 |
416 | #if defined(__NR_renameat2) | |
417 | #define __NR_sys_renameat2 __NR_renameat2 | |
418 | _syscall5(int, sys_renameat2, int, oldfd, const char *, old, int, newfd, | |
419 | const char *, new, unsigned int, flags) | |
420 | #else | |
421 | static int sys_renameat2(int oldfd, const char *old, | |
422 | int newfd, const char *new, int flags) | |
423 | { | |
424 | if (flags == 0) { | |
425 | return renameat(oldfd, old, newfd, new); | |
426 | } | |
427 | errno = ENOSYS; | |
428 | return -1; | |
429 | } | |
430 | #endif | |
431 | #endif /* TARGET_NR_renameat2 */ | |
432 | ||
3b3f24ad | 433 | #ifdef CONFIG_INOTIFY |
8690e420 | 434 | #include <sys/inotify.h> |
3b3f24ad | 435 | |
39b59763 | 436 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
3b3f24ad AJ |
437 | static int sys_inotify_init(void) |
438 | { | |
439 | return (inotify_init()); | |
440 | } | |
39b59763 AJ |
441 | #endif |
442 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) | |
3b3f24ad AJ |
443 | static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
444 | { | |
445 | return (inotify_add_watch(fd, pathname, mask)); | |
446 | } | |
39b59763 AJ |
447 | #endif |
448 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) | |
3b3f24ad AJ |
449 | static int sys_inotify_rm_watch(int fd, int32_t wd) |
450 | { | |
8690e420 | 451 | return (inotify_rm_watch(fd, wd)); |
3b3f24ad | 452 | } |
bd0c5661 | 453 | #endif |
c05c7a73 RV |
454 | #ifdef CONFIG_INOTIFY1 |
455 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) | |
456 | static int sys_inotify_init1(int flags) | |
457 | { | |
458 | return (inotify_init1(flags)); | |
459 | } | |
460 | #endif | |
461 | #endif | |
3b3f24ad AJ |
462 | #else |
463 | /* Userspace can usually survive runtime without inotify */ | |
464 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 465 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
466 | #undef TARGET_NR_inotify_add_watch |
467 | #undef TARGET_NR_inotify_rm_watch | |
468 | #endif /* CONFIG_INOTIFY */ | |
469 | ||
163a05a8 PM |
470 | #if defined(TARGET_NR_prlimit64) |
471 | #ifndef __NR_prlimit64 | |
472 | # define __NR_prlimit64 -1 | |
473 | #endif | |
474 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
475 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
476 | struct host_rlimit64 { | |
477 | uint64_t rlim_cur; | |
478 | uint64_t rlim_max; | |
479 | }; | |
480 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
481 | const struct host_rlimit64 *, new_limit, | |
482 | struct host_rlimit64 *, old_limit) | |
483 | #endif | |
484 | ||
f4f1e10a ECL |
485 | |
486 | #if defined(TARGET_NR_timer_create) | |
487 | /* Maxiumum of 32 active POSIX timers allowed at any one time. */ | |
488 | static timer_t g_posix_timers[32] = { 0, } ; | |
489 | ||
490 | static inline int next_free_host_timer(void) | |
491 | { | |
492 | int k ; | |
493 | /* FIXME: Does finding the next free slot require a lock? */ | |
494 | for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) { | |
495 | if (g_posix_timers[k] == 0) { | |
496 | g_posix_timers[k] = (timer_t) 1; | |
497 | return k; | |
498 | } | |
499 | } | |
500 | return -1; | |
501 | } | |
502 | #endif | |
503 | ||
48e515d4 | 504 | /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */ |
4a1def4e | 505 | #ifdef TARGET_ARM |
8bf8e9df JC |
506 | static inline int regpairs_aligned(void *cpu_env, int num) |
507 | { | |
48e515d4 RV |
508 | return ((((CPUARMState *)cpu_env)->eabi) == 1) ; |
509 | } | |
d7779acb | 510 | #elif defined(TARGET_MIPS) && (TARGET_ABI_BITS == 32) |
8bf8e9df | 511 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } |
4a1def4e AG |
512 | #elif defined(TARGET_PPC) && !defined(TARGET_PPC64) |
513 | /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs | |
514 | * of registers which translates to the same as ARM/MIPS, because we start with | |
515 | * r3 as arg1 */ | |
8bf8e9df JC |
516 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } |
517 | #elif defined(TARGET_SH4) | |
518 | /* SH4 doesn't align register pairs, except for p{read,write}64 */ | |
519 | static inline int regpairs_aligned(void *cpu_env, int num) | |
520 | { | |
521 | switch (num) { | |
522 | case TARGET_NR_pread64: | |
523 | case TARGET_NR_pwrite64: | |
524 | return 1; | |
525 | ||
526 | default: | |
527 | return 0; | |
528 | } | |
529 | } | |
ba7651fb MF |
530 | #elif defined(TARGET_XTENSA) |
531 | static inline int regpairs_aligned(void *cpu_env, int num) { return 1; } | |
48e515d4 | 532 | #else |
8bf8e9df | 533 | static inline int regpairs_aligned(void *cpu_env, int num) { return 0; } |
48e515d4 RV |
534 | #endif |
535 | ||
b92c47c1 TS |
536 | #define ERRNO_TABLE_SIZE 1200 |
537 | ||
538 | /* target_to_host_errno_table[] is initialized from | |
539 | * host_to_target_errno_table[] in syscall_init(). */ | |
540 | static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { | |
541 | }; | |
542 | ||
637947f1 | 543 | /* |
fe8f096b | 544 | * This list is the union of errno values overridden in asm-<arch>/errno.h |
637947f1 TS |
545 | * minus the errnos that are not actually generic to all archs. |
546 | */ | |
b92c47c1 | 547 | static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { |
08703b9f | 548 | [EAGAIN] = TARGET_EAGAIN, |
637947f1 TS |
549 | [EIDRM] = TARGET_EIDRM, |
550 | [ECHRNG] = TARGET_ECHRNG, | |
551 | [EL2NSYNC] = TARGET_EL2NSYNC, | |
552 | [EL3HLT] = TARGET_EL3HLT, | |
553 | [EL3RST] = TARGET_EL3RST, | |
554 | [ELNRNG] = TARGET_ELNRNG, | |
555 | [EUNATCH] = TARGET_EUNATCH, | |
556 | [ENOCSI] = TARGET_ENOCSI, | |
557 | [EL2HLT] = TARGET_EL2HLT, | |
558 | [EDEADLK] = TARGET_EDEADLK, | |
559 | [ENOLCK] = TARGET_ENOLCK, | |
560 | [EBADE] = TARGET_EBADE, | |
561 | [EBADR] = TARGET_EBADR, | |
562 | [EXFULL] = TARGET_EXFULL, | |
563 | [ENOANO] = TARGET_ENOANO, | |
564 | [EBADRQC] = TARGET_EBADRQC, | |
565 | [EBADSLT] = TARGET_EBADSLT, | |
566 | [EBFONT] = TARGET_EBFONT, | |
567 | [ENOSTR] = TARGET_ENOSTR, | |
568 | [ENODATA] = TARGET_ENODATA, | |
569 | [ETIME] = TARGET_ETIME, | |
570 | [ENOSR] = TARGET_ENOSR, | |
571 | [ENONET] = TARGET_ENONET, | |
572 | [ENOPKG] = TARGET_ENOPKG, | |
573 | [EREMOTE] = TARGET_EREMOTE, | |
574 | [ENOLINK] = TARGET_ENOLINK, | |
575 | [EADV] = TARGET_EADV, | |
576 | [ESRMNT] = TARGET_ESRMNT, | |
577 | [ECOMM] = TARGET_ECOMM, | |
578 | [EPROTO] = TARGET_EPROTO, | |
579 | [EDOTDOT] = TARGET_EDOTDOT, | |
580 | [EMULTIHOP] = TARGET_EMULTIHOP, | |
581 | [EBADMSG] = TARGET_EBADMSG, | |
582 | [ENAMETOOLONG] = TARGET_ENAMETOOLONG, | |
583 | [EOVERFLOW] = TARGET_EOVERFLOW, | |
584 | [ENOTUNIQ] = TARGET_ENOTUNIQ, | |
585 | [EBADFD] = TARGET_EBADFD, | |
586 | [EREMCHG] = TARGET_EREMCHG, | |
587 | [ELIBACC] = TARGET_ELIBACC, | |
588 | [ELIBBAD] = TARGET_ELIBBAD, | |
589 | [ELIBSCN] = TARGET_ELIBSCN, | |
590 | [ELIBMAX] = TARGET_ELIBMAX, | |
591 | [ELIBEXEC] = TARGET_ELIBEXEC, | |
592 | [EILSEQ] = TARGET_EILSEQ, | |
593 | [ENOSYS] = TARGET_ENOSYS, | |
594 | [ELOOP] = TARGET_ELOOP, | |
595 | [ERESTART] = TARGET_ERESTART, | |
596 | [ESTRPIPE] = TARGET_ESTRPIPE, | |
597 | [ENOTEMPTY] = TARGET_ENOTEMPTY, | |
598 | [EUSERS] = TARGET_EUSERS, | |
599 | [ENOTSOCK] = TARGET_ENOTSOCK, | |
600 | [EDESTADDRREQ] = TARGET_EDESTADDRREQ, | |
601 | [EMSGSIZE] = TARGET_EMSGSIZE, | |
602 | [EPROTOTYPE] = TARGET_EPROTOTYPE, | |
603 | [ENOPROTOOPT] = TARGET_ENOPROTOOPT, | |
604 | [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, | |
605 | [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, | |
606 | [EOPNOTSUPP] = TARGET_EOPNOTSUPP, | |
607 | [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, | |
608 | [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, | |
609 | [EADDRINUSE] = TARGET_EADDRINUSE, | |
610 | [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, | |
611 | [ENETDOWN] = TARGET_ENETDOWN, | |
612 | [ENETUNREACH] = TARGET_ENETUNREACH, | |
613 | [ENETRESET] = TARGET_ENETRESET, | |
614 | [ECONNABORTED] = TARGET_ECONNABORTED, | |
615 | [ECONNRESET] = TARGET_ECONNRESET, | |
616 | [ENOBUFS] = TARGET_ENOBUFS, | |
617 | [EISCONN] = TARGET_EISCONN, | |
618 | [ENOTCONN] = TARGET_ENOTCONN, | |
619 | [EUCLEAN] = TARGET_EUCLEAN, | |
620 | [ENOTNAM] = TARGET_ENOTNAM, | |
621 | [ENAVAIL] = TARGET_ENAVAIL, | |
622 | [EISNAM] = TARGET_EISNAM, | |
623 | [EREMOTEIO] = TARGET_EREMOTEIO, | |
0444a3b7 | 624 | [EDQUOT] = TARGET_EDQUOT, |
637947f1 TS |
625 | [ESHUTDOWN] = TARGET_ESHUTDOWN, |
626 | [ETOOMANYREFS] = TARGET_ETOOMANYREFS, | |
627 | [ETIMEDOUT] = TARGET_ETIMEDOUT, | |
628 | [ECONNREFUSED] = TARGET_ECONNREFUSED, | |
629 | [EHOSTDOWN] = TARGET_EHOSTDOWN, | |
630 | [EHOSTUNREACH] = TARGET_EHOSTUNREACH, | |
631 | [EALREADY] = TARGET_EALREADY, | |
632 | [EINPROGRESS] = TARGET_EINPROGRESS, | |
633 | [ESTALE] = TARGET_ESTALE, | |
634 | [ECANCELED] = TARGET_ECANCELED, | |
635 | [ENOMEDIUM] = TARGET_ENOMEDIUM, | |
636 | [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, | |
b7fe5db7 | 637 | #ifdef ENOKEY |
637947f1 | 638 | [ENOKEY] = TARGET_ENOKEY, |
b7fe5db7 TS |
639 | #endif |
640 | #ifdef EKEYEXPIRED | |
637947f1 | 641 | [EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
b7fe5db7 TS |
642 | #endif |
643 | #ifdef EKEYREVOKED | |
637947f1 | 644 | [EKEYREVOKED] = TARGET_EKEYREVOKED, |
b7fe5db7 TS |
645 | #endif |
646 | #ifdef EKEYREJECTED | |
637947f1 | 647 | [EKEYREJECTED] = TARGET_EKEYREJECTED, |
b7fe5db7 TS |
648 | #endif |
649 | #ifdef EOWNERDEAD | |
637947f1 | 650 | [EOWNERDEAD] = TARGET_EOWNERDEAD, |
b7fe5db7 TS |
651 | #endif |
652 | #ifdef ENOTRECOVERABLE | |
637947f1 | 653 | [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
b7fe5db7 | 654 | #endif |
da39db63 AM |
655 | #ifdef ENOMSG |
656 | [ENOMSG] = TARGET_ENOMSG, | |
657 | #endif | |
fe8ed7d5 RH |
658 | #ifdef ERKFILL |
659 | [ERFKILL] = TARGET_ERFKILL, | |
660 | #endif | |
661 | #ifdef EHWPOISON | |
662 | [EHWPOISON] = TARGET_EHWPOISON, | |
663 | #endif | |
b92c47c1 | 664 | }; |
637947f1 TS |
665 | |
666 | static inline int host_to_target_errno(int err) | |
667 | { | |
2466119c TB |
668 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
669 | host_to_target_errno_table[err]) { | |
637947f1 | 670 | return host_to_target_errno_table[err]; |
2466119c | 671 | } |
637947f1 TS |
672 | return err; |
673 | } | |
674 | ||
b92c47c1 TS |
675 | static inline int target_to_host_errno(int err) |
676 | { | |
2466119c TB |
677 | if (err >= 0 && err < ERRNO_TABLE_SIZE && |
678 | target_to_host_errno_table[err]) { | |
b92c47c1 | 679 | return target_to_host_errno_table[err]; |
2466119c | 680 | } |
b92c47c1 TS |
681 | return err; |
682 | } | |
683 | ||
992f48a0 | 684 | static inline abi_long get_errno(abi_long ret) |
31e31b8a FB |
685 | { |
686 | if (ret == -1) | |
637947f1 | 687 | return -host_to_target_errno(errno); |
31e31b8a FB |
688 | else |
689 | return ret; | |
690 | } | |
691 | ||
7dcdaeaf | 692 | const char *target_strerror(int err) |
b92c47c1 | 693 | { |
da2a34f7 PM |
694 | if (err == TARGET_ERESTARTSYS) { |
695 | return "To be restarted"; | |
696 | } | |
697 | if (err == TARGET_QEMU_ESIGRETURN) { | |
698 | return "Successful exit from sigreturn"; | |
699 | } | |
700 | ||
962b289e AG |
701 | if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
702 | return NULL; | |
703 | } | |
b92c47c1 TS |
704 | return strerror(target_to_host_errno(err)); |
705 | } | |
706 | ||
4d330cee TB |
707 | #define safe_syscall0(type, name) \ |
708 | static type safe_##name(void) \ | |
709 | { \ | |
710 | return safe_syscall(__NR_##name); \ | |
711 | } | |
712 | ||
713 | #define safe_syscall1(type, name, type1, arg1) \ | |
714 | static type safe_##name(type1 arg1) \ | |
715 | { \ | |
716 | return safe_syscall(__NR_##name, arg1); \ | |
717 | } | |
718 | ||
719 | #define safe_syscall2(type, name, type1, arg1, type2, arg2) \ | |
720 | static type safe_##name(type1 arg1, type2 arg2) \ | |
721 | { \ | |
722 | return safe_syscall(__NR_##name, arg1, arg2); \ | |
723 | } | |
724 | ||
725 | #define safe_syscall3(type, name, type1, arg1, type2, arg2, type3, arg3) \ | |
726 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3) \ | |
727 | { \ | |
728 | return safe_syscall(__NR_##name, arg1, arg2, arg3); \ | |
729 | } | |
730 | ||
731 | #define safe_syscall4(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
732 | type4, arg4) \ | |
733 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ | |
734 | { \ | |
735 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
736 | } | |
737 | ||
738 | #define safe_syscall5(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
739 | type4, arg4, type5, arg5) \ | |
740 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
741 | type5 arg5) \ | |
742 | { \ | |
743 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
744 | } | |
745 | ||
746 | #define safe_syscall6(type, name, type1, arg1, type2, arg2, type3, arg3, \ | |
747 | type4, arg4, type5, arg5, type6, arg6) \ | |
748 | static type safe_##name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, \ | |
749 | type5 arg5, type6 arg6) \ | |
750 | { \ | |
751 | return safe_syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
752 | } | |
753 | ||
50afd02b TB |
754 | safe_syscall3(ssize_t, read, int, fd, void *, buff, size_t, count) |
755 | safe_syscall3(ssize_t, write, int, fd, const void *, buff, size_t, count) | |
c10a0738 TB |
756 | safe_syscall4(int, openat, int, dirfd, const char *, pathname, \ |
757 | int, flags, mode_t, mode) | |
859e8a89 | 758 | #if defined(TARGET_NR_wait4) || defined(TARGET_NR_waitpid) |
4af80a37 TB |
759 | safe_syscall4(pid_t, wait4, pid_t, pid, int *, status, int, options, \ |
760 | struct rusage *, rusage) | |
859e8a89 | 761 | #endif |
4af80a37 TB |
762 | safe_syscall5(int, waitid, idtype_t, idtype, id_t, id, siginfo_t *, infop, \ |
763 | int, options, struct rusage *, rusage) | |
ffdcbe22 | 764 | safe_syscall3(int, execve, const char *, filename, char **, argv, char **, envp) |
859e8a89 AF |
765 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \ |
766 | defined(TARGET_NR_pselect6) | |
6df9d38d PM |
767 | safe_syscall6(int, pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, \ |
768 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig) | |
859e8a89 AF |
769 | #endif |
770 | #if defined(TARGET_NR_ppoll) || defined(TARGET_NR_poll) | |
a6130237 PM |
771 | safe_syscall5(int, ppoll, struct pollfd *, ufds, unsigned int, nfds, |
772 | struct timespec *, tsp, const sigset_t *, sigmask, | |
773 | size_t, sigsetsize) | |
859e8a89 | 774 | #endif |
227f0214 PM |
775 | safe_syscall6(int, epoll_pwait, int, epfd, struct epoll_event *, events, |
776 | int, maxevents, int, timeout, const sigset_t *, sigmask, | |
777 | size_t, sigsetsize) | |
14690296 | 778 | #if defined(__NR_futex) |
d509eeb1 PM |
779 | safe_syscall6(int,futex,int *,uaddr,int,op,int,val, \ |
780 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
859e8a89 | 781 | #endif |
14690296 AF |
782 | #if defined(__NR_futex_time64) |
783 | safe_syscall6(int,futex_time64,int *,uaddr,int,op,int,val, \ | |
784 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
785 | #endif | |
2fe4fba1 | 786 | safe_syscall2(int, rt_sigsuspend, sigset_t *, newset, size_t, sigsetsize) |
bef653d9 PM |
787 | safe_syscall2(int, kill, pid_t, pid, int, sig) |
788 | safe_syscall2(int, tkill, int, tid, int, sig) | |
789 | safe_syscall3(int, tgkill, int, tgid, int, pid, int, sig) | |
918c03ed PM |
790 | safe_syscall3(ssize_t, readv, int, fd, const struct iovec *, iov, int, iovcnt) |
791 | safe_syscall3(ssize_t, writev, int, fd, const struct iovec *, iov, int, iovcnt) | |
0f26386c DJ |
792 | safe_syscall5(ssize_t, preadv, int, fd, const struct iovec *, iov, int, iovcnt, |
793 | unsigned long, pos_l, unsigned long, pos_h) | |
f8d00fba DJ |
794 | safe_syscall5(ssize_t, pwritev, int, fd, const struct iovec *, iov, int, iovcnt, |
795 | unsigned long, pos_l, unsigned long, pos_h) | |
2a3c7619 PM |
796 | safe_syscall3(int, connect, int, fd, const struct sockaddr *, addr, |
797 | socklen_t, addrlen) | |
66687530 PM |
798 | safe_syscall6(ssize_t, sendto, int, fd, const void *, buf, size_t, len, |
799 | int, flags, const struct sockaddr *, addr, socklen_t, addrlen) | |
800 | safe_syscall6(ssize_t, recvfrom, int, fd, void *, buf, size_t, len, | |
801 | int, flags, struct sockaddr *, addr, socklen_t *, addrlen) | |
802 | safe_syscall3(ssize_t, sendmsg, int, fd, const struct msghdr *, msg, int, flags) | |
803 | safe_syscall3(ssize_t, recvmsg, int, fd, struct msghdr *, msg, int, flags) | |
2a845989 | 804 | safe_syscall2(int, flock, int, fd, int, operation) |
859e8a89 | 805 | #ifdef TARGET_NR_rt_sigtimedwait |
b3f82330 PM |
806 | safe_syscall4(int, rt_sigtimedwait, const sigset_t *, these, siginfo_t *, uinfo, |
807 | const struct timespec *, uts, size_t, sigsetsize) | |
859e8a89 | 808 | #endif |
ff6dc130 PM |
809 | safe_syscall4(int, accept4, int, fd, struct sockaddr *, addr, socklen_t *, len, |
810 | int, flags) | |
859e8a89 | 811 | #if defined(TARGET_NR_nanosleep) |
9e518226 PM |
812 | safe_syscall2(int, nanosleep, const struct timespec *, req, |
813 | struct timespec *, rem) | |
859e8a89 | 814 | #endif |
9e518226 PM |
815 | #ifdef TARGET_NR_clock_nanosleep |
816 | safe_syscall4(int, clock_nanosleep, const clockid_t, clock, int, flags, | |
817 | const struct timespec *, req, struct timespec *, rem) | |
818 | #endif | |
524fa340 | 819 | #ifdef __NR_ipc |
d8c08b1e MK |
820 | #ifdef __s390x__ |
821 | safe_syscall5(int, ipc, int, call, long, first, long, second, long, third, | |
822 | void *, ptr) | |
823 | #else | |
89f9fe44 PM |
824 | safe_syscall6(int, ipc, int, call, long, first, long, second, long, third, |
825 | void *, ptr, long, fifth) | |
86e63695 | 826 | #endif |
d8c08b1e | 827 | #endif |
86e63695 LV |
828 | #ifdef __NR_msgsnd |
829 | safe_syscall4(int, msgsnd, int, msgid, const void *, msgp, size_t, sz, | |
830 | int, flags) | |
86e63695 LV |
831 | #endif |
832 | #ifdef __NR_msgrcv | |
833 | safe_syscall5(int, msgrcv, int, msgid, void *, msgp, size_t, sz, | |
834 | long, msgtype, int, flags) | |
86e63695 LV |
835 | #endif |
836 | #ifdef __NR_semtimedop | |
837 | safe_syscall4(int, semtimedop, int, semid, struct sembuf *, tsops, | |
838 | unsigned, nsops, const struct timespec *, timeout) | |
89f9fe44 | 839 | #endif |
859e8a89 | 840 | #ifdef TARGET_NR_mq_timedsend |
d40ecd66 PM |
841 | safe_syscall5(int, mq_timedsend, int, mqdes, const char *, msg_ptr, |
842 | size_t, len, unsigned, prio, const struct timespec *, timeout) | |
859e8a89 AF |
843 | #endif |
844 | #ifdef TARGET_NR_mq_timedreceive | |
d40ecd66 PM |
845 | safe_syscall5(int, mq_timedreceive, int, mqdes, char *, msg_ptr, |
846 | size_t, len, unsigned *, prio, const struct timespec *, timeout) | |
847 | #endif | |
49ca6f3e PM |
848 | /* We do ioctl like this rather than via safe_syscall3 to preserve the |
849 | * "third argument might be integer or pointer or not present" behaviour of | |
850 | * the libc function. | |
851 | */ | |
852 | #define safe_ioctl(...) safe_syscall(__NR_ioctl, __VA_ARGS__) | |
435da5e7 PM |
853 | /* Similarly for fcntl. Note that callers must always: |
854 | * pass the F_GETLK64 etc constants rather than the unsuffixed F_GETLK | |
855 | * use the flock64 struct rather than unsuffixed flock | |
856 | * This will then work and use a 64-bit offset for both 32-bit and 64-bit hosts. | |
857 | */ | |
858 | #ifdef __NR_fcntl64 | |
859 | #define safe_fcntl(...) safe_syscall(__NR_fcntl64, __VA_ARGS__) | |
860 | #else | |
861 | #define safe_fcntl(...) safe_syscall(__NR_fcntl, __VA_ARGS__) | |
862 | #endif | |
50afd02b | 863 | |
8289d112 PB |
864 | static inline int host_to_target_sock_type(int host_type) |
865 | { | |
866 | int target_type; | |
867 | ||
868 | switch (host_type & 0xf /* SOCK_TYPE_MASK */) { | |
869 | case SOCK_DGRAM: | |
870 | target_type = TARGET_SOCK_DGRAM; | |
871 | break; | |
872 | case SOCK_STREAM: | |
873 | target_type = TARGET_SOCK_STREAM; | |
874 | break; | |
875 | default: | |
876 | target_type = host_type & 0xf /* SOCK_TYPE_MASK */; | |
877 | break; | |
878 | } | |
879 | ||
880 | #if defined(SOCK_CLOEXEC) | |
881 | if (host_type & SOCK_CLOEXEC) { | |
882 | target_type |= TARGET_SOCK_CLOEXEC; | |
883 | } | |
884 | #endif | |
885 | ||
886 | #if defined(SOCK_NONBLOCK) | |
887 | if (host_type & SOCK_NONBLOCK) { | |
888 | target_type |= TARGET_SOCK_NONBLOCK; | |
889 | } | |
890 | #endif | |
891 | ||
892 | return target_type; | |
893 | } | |
894 | ||
992f48a0 BS |
895 | static abi_ulong target_brk; |
896 | static abi_ulong target_original_brk; | |
4d1de87c | 897 | static abi_ulong brk_page; |
31e31b8a | 898 | |
992f48a0 | 899 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 900 | { |
4c1de73d | 901 | target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
4d1de87c | 902 | brk_page = HOST_PAGE_ALIGN(target_brk); |
31e31b8a FB |
903 | } |
904 | ||
4d1de87c CV |
905 | //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0) |
906 | #define DEBUGF_BRK(message, args...) | |
907 | ||
0da46a6e | 908 | /* do_brk() must return target values and target errnos. */ |
992f48a0 | 909 | abi_long do_brk(abi_ulong new_brk) |
31e31b8a | 910 | { |
992f48a0 | 911 | abi_long mapped_addr; |
ef4330c2 | 912 | abi_ulong new_alloc_size; |
31e31b8a | 913 | |
3a0c6c4a | 914 | DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
4d1de87c CV |
915 | |
916 | if (!new_brk) { | |
3a0c6c4a | 917 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk); |
53a5960a | 918 | return target_brk; |
4d1de87c CV |
919 | } |
920 | if (new_brk < target_original_brk) { | |
3a0c6c4a PB |
921 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n", |
922 | target_brk); | |
7ab240ad | 923 | return target_brk; |
4d1de87c | 924 | } |
3b46e624 | 925 | |
4d1de87c CV |
926 | /* If the new brk is less than the highest page reserved to the |
927 | * target heap allocation, set it and we're almost done... */ | |
928 | if (new_brk <= brk_page) { | |
929 | /* Heap contents are initialized to zero, as for anonymous | |
930 | * mapped pages. */ | |
931 | if (new_brk > target_brk) { | |
932 | memset(g2h(target_brk), 0, new_brk - target_brk); | |
933 | } | |
31e31b8a | 934 | target_brk = new_brk; |
3a0c6c4a | 935 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk); |
72e21db7 | 936 | return target_brk; |
31e31b8a FB |
937 | } |
938 | ||
00faf08c PM |
939 | /* We need to allocate more memory after the brk... Note that |
940 | * we don't use MAP_FIXED because that will map over the top of | |
941 | * any existing mapping (like the one with the host libc or qemu | |
942 | * itself); instead we treat "mapped but at wrong address" as | |
943 | * a failure and unmap again. | |
944 | */ | |
4d1de87c | 945 | new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
5fafdf24 | 946 | mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
54936004 | 947 | PROT_READ|PROT_WRITE, |
00faf08c PM |
948 | MAP_ANON|MAP_PRIVATE, 0, 0)); |
949 | ||
950 | if (mapped_addr == brk_page) { | |
70afc343 CV |
951 | /* Heap contents are initialized to zero, as for anonymous |
952 | * mapped pages. Technically the new pages are already | |
953 | * initialized to zero since they *are* anonymous mapped | |
954 | * pages, however we have to take care with the contents that | |
955 | * come from the remaining part of the previous page: it may | |
956 | * contains garbage data due to a previous heap usage (grown | |
957 | * then shrunken). */ | |
958 | memset(g2h(target_brk), 0, brk_page - target_brk); | |
959 | ||
00faf08c | 960 | target_brk = new_brk; |
4d1de87c | 961 | brk_page = HOST_PAGE_ALIGN(target_brk); |
3a0c6c4a PB |
962 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n", |
963 | target_brk); | |
00faf08c PM |
964 | return target_brk; |
965 | } else if (mapped_addr != -1) { | |
966 | /* Mapped but at wrong address, meaning there wasn't actually | |
967 | * enough space for this brk. | |
968 | */ | |
969 | target_munmap(mapped_addr, new_alloc_size); | |
970 | mapped_addr = -1; | |
3a0c6c4a | 971 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk); |
4d1de87c CV |
972 | } |
973 | else { | |
3a0c6c4a | 974 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk); |
00faf08c | 975 | } |
7ab240ad | 976 | |
7dd46c02 RH |
977 | #if defined(TARGET_ALPHA) |
978 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
979 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 980 | return -TARGET_ENOMEM; |
7dd46c02 | 981 | #endif |
00faf08c | 982 | /* For everything else, return the previous break. */ |
7ab240ad | 983 | return target_brk; |
31e31b8a FB |
984 | } |
985 | ||
859e8a89 AF |
986 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) || \ |
987 | defined(TARGET_NR_pselect6) | |
26edcf41 TS |
988 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
989 | abi_ulong target_fds_addr, | |
990 | int n) | |
31e31b8a | 991 | { |
26edcf41 TS |
992 | int i, nw, j, k; |
993 | abi_ulong b, *target_fds; | |
994 | ||
b1b2db29 | 995 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
996 | if (!(target_fds = lock_user(VERIFY_READ, |
997 | target_fds_addr, | |
998 | sizeof(abi_ulong) * nw, | |
999 | 1))) | |
1000 | return -TARGET_EFAULT; | |
1001 | ||
1002 | FD_ZERO(fds); | |
1003 | k = 0; | |
1004 | for (i = 0; i < nw; i++) { | |
1005 | /* grab the abi_ulong */ | |
1006 | __get_user(b, &target_fds[i]); | |
1007 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
1008 | /* check the bit inside the abi_ulong */ | |
1009 | if ((b >> j) & 1) | |
1010 | FD_SET(k, fds); | |
1011 | k++; | |
31e31b8a | 1012 | } |
31e31b8a | 1013 | } |
26edcf41 TS |
1014 | |
1015 | unlock_user(target_fds, target_fds_addr, 0); | |
1016 | ||
1017 | return 0; | |
31e31b8a FB |
1018 | } |
1019 | ||
055e0906 MF |
1020 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
1021 | abi_ulong target_fds_addr, | |
1022 | int n) | |
1023 | { | |
1024 | if (target_fds_addr) { | |
1025 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
1026 | return -TARGET_EFAULT; | |
1027 | *fds_ptr = fds; | |
1028 | } else { | |
1029 | *fds_ptr = NULL; | |
1030 | } | |
1031 | return 0; | |
1032 | } | |
1033 | ||
26edcf41 TS |
1034 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
1035 | const fd_set *fds, | |
1036 | int n) | |
31e31b8a | 1037 | { |
31e31b8a | 1038 | int i, nw, j, k; |
992f48a0 | 1039 | abi_long v; |
26edcf41 | 1040 | abi_ulong *target_fds; |
31e31b8a | 1041 | |
b1b2db29 | 1042 | nw = DIV_ROUND_UP(n, TARGET_ABI_BITS); |
26edcf41 TS |
1043 | if (!(target_fds = lock_user(VERIFY_WRITE, |
1044 | target_fds_addr, | |
1045 | sizeof(abi_ulong) * nw, | |
1046 | 0))) | |
1047 | return -TARGET_EFAULT; | |
1048 | ||
1049 | k = 0; | |
1050 | for (i = 0; i < nw; i++) { | |
1051 | v = 0; | |
1052 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
9ab709be | 1053 | v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j); |
26edcf41 | 1054 | k++; |
31e31b8a | 1055 | } |
26edcf41 | 1056 | __put_user(v, &target_fds[i]); |
31e31b8a | 1057 | } |
26edcf41 TS |
1058 | |
1059 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
1060 | ||
1061 | return 0; | |
31e31b8a | 1062 | } |
859e8a89 | 1063 | #endif |
31e31b8a | 1064 | |
c596ed17 FB |
1065 | #if defined(__alpha__) |
1066 | #define HOST_HZ 1024 | |
1067 | #else | |
1068 | #define HOST_HZ 100 | |
1069 | #endif | |
1070 | ||
992f48a0 | 1071 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
1072 | { |
1073 | #if HOST_HZ == TARGET_HZ | |
1074 | return ticks; | |
1075 | #else | |
1076 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
1077 | #endif | |
1078 | } | |
1079 | ||
579a97f7 FB |
1080 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
1081 | const struct rusage *rusage) | |
b409186b | 1082 | { |
53a5960a PB |
1083 | struct target_rusage *target_rusage; |
1084 | ||
579a97f7 FB |
1085 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
1086 | return -TARGET_EFAULT; | |
cbb21eed MB |
1087 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
1088 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
1089 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
1090 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
1091 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
1092 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
1093 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
1094 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
1095 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
1096 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
1097 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
1098 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
1099 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
1100 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
1101 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
1102 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
1103 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
1104 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 1105 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
1106 | |
1107 | return 0; | |
b409186b FB |
1108 | } |
1109 | ||
859e8a89 | 1110 | #ifdef TARGET_NR_setrlimit |
cbb21eed | 1111 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 1112 | { |
cbb21eed | 1113 | abi_ulong target_rlim_swap; |
95b33b2f WT |
1114 | rlim_t result; |
1115 | ||
cbb21eed MB |
1116 | target_rlim_swap = tswapal(target_rlim); |
1117 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
1118 | return RLIM_INFINITY; | |
1119 | ||
1120 | result = target_rlim_swap; | |
1121 | if (target_rlim_swap != (rlim_t)result) | |
1122 | return RLIM_INFINITY; | |
95b33b2f WT |
1123 | |
1124 | return result; | |
81bbe906 | 1125 | } |
859e8a89 | 1126 | #endif |
81bbe906 | 1127 | |
859e8a89 | 1128 | #if defined(TARGET_NR_getrlimit) || defined(TARGET_NR_ugetrlimit) |
cbb21eed | 1129 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 1130 | { |
cbb21eed MB |
1131 | abi_ulong target_rlim_swap; |
1132 | abi_ulong result; | |
95b33b2f | 1133 | |
cbb21eed | 1134 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 1135 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 1136 | else |
95b33b2f | 1137 | target_rlim_swap = rlim; |
cbb21eed | 1138 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
1139 | |
1140 | return result; | |
81bbe906 | 1141 | } |
859e8a89 | 1142 | #endif |
81bbe906 | 1143 | |
e22b7015 WT |
1144 | static inline int target_to_host_resource(int code) |
1145 | { | |
1146 | switch (code) { | |
1147 | case TARGET_RLIMIT_AS: | |
1148 | return RLIMIT_AS; | |
1149 | case TARGET_RLIMIT_CORE: | |
1150 | return RLIMIT_CORE; | |
1151 | case TARGET_RLIMIT_CPU: | |
1152 | return RLIMIT_CPU; | |
1153 | case TARGET_RLIMIT_DATA: | |
1154 | return RLIMIT_DATA; | |
1155 | case TARGET_RLIMIT_FSIZE: | |
1156 | return RLIMIT_FSIZE; | |
1157 | case TARGET_RLIMIT_LOCKS: | |
1158 | return RLIMIT_LOCKS; | |
1159 | case TARGET_RLIMIT_MEMLOCK: | |
1160 | return RLIMIT_MEMLOCK; | |
1161 | case TARGET_RLIMIT_MSGQUEUE: | |
1162 | return RLIMIT_MSGQUEUE; | |
1163 | case TARGET_RLIMIT_NICE: | |
1164 | return RLIMIT_NICE; | |
1165 | case TARGET_RLIMIT_NOFILE: | |
1166 | return RLIMIT_NOFILE; | |
1167 | case TARGET_RLIMIT_NPROC: | |
1168 | return RLIMIT_NPROC; | |
1169 | case TARGET_RLIMIT_RSS: | |
1170 | return RLIMIT_RSS; | |
1171 | case TARGET_RLIMIT_RTPRIO: | |
1172 | return RLIMIT_RTPRIO; | |
1173 | case TARGET_RLIMIT_SIGPENDING: | |
1174 | return RLIMIT_SIGPENDING; | |
1175 | case TARGET_RLIMIT_STACK: | |
1176 | return RLIMIT_STACK; | |
1177 | default: | |
1178 | return code; | |
1179 | } | |
1180 | } | |
1181 | ||
788f5ec4 TS |
1182 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
1183 | abi_ulong target_tv_addr) | |
31e31b8a | 1184 | { |
53a5960a PB |
1185 | struct target_timeval *target_tv; |
1186 | ||
6d5d5dde | 1187 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) { |
579a97f7 | 1188 | return -TARGET_EFAULT; |
6d5d5dde | 1189 | } |
788f5ec4 TS |
1190 | |
1191 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
1192 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
1193 | ||
1194 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
1195 | |
1196 | return 0; | |
31e31b8a FB |
1197 | } |
1198 | ||
788f5ec4 TS |
1199 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
1200 | const struct timeval *tv) | |
31e31b8a | 1201 | { |
53a5960a PB |
1202 | struct target_timeval *target_tv; |
1203 | ||
6d5d5dde DB |
1204 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) { |
1205 | return -TARGET_EFAULT; | |
1206 | } | |
1207 | ||
1208 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1209 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1210 | ||
1211 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
1212 | ||
1213 | return 0; | |
1214 | } | |
1215 | ||
1216 | static inline abi_long copy_to_user_timeval64(abi_ulong target_tv_addr, | |
1217 | const struct timeval *tv) | |
1218 | { | |
1219 | struct target__kernel_sock_timeval *target_tv; | |
1220 | ||
1221 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) { | |
579a97f7 | 1222 | return -TARGET_EFAULT; |
6d5d5dde | 1223 | } |
788f5ec4 TS |
1224 | |
1225 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
1226 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
1227 | ||
1228 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
1229 | |
1230 | return 0; | |
31e31b8a FB |
1231 | } |
1232 | ||
859e8a89 AF |
1233 | #if defined(TARGET_NR_futex) || \ |
1234 | defined(TARGET_NR_rt_sigtimedwait) || \ | |
1235 | defined(TARGET_NR_pselect6) || defined(TARGET_NR_pselect6) || \ | |
1236 | defined(TARGET_NR_nanosleep) || defined(TARGET_NR_clock_settime) || \ | |
1237 | defined(TARGET_NR_utimensat) || defined(TARGET_NR_mq_timedsend) || \ | |
d8c08b1e MK |
1238 | defined(TARGET_NR_mq_timedreceive) || defined(TARGET_NR_ipc) || \ |
1239 | defined(TARGET_NR_semop) || defined(TARGET_NR_semtimedop) | |
6d5d5dde DB |
1240 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
1241 | abi_ulong target_addr) | |
1242 | { | |
1243 | struct target_timespec *target_ts; | |
1244 | ||
1245 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) { | |
1246 | return -TARGET_EFAULT; | |
1247 | } | |
1248 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1249 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1250 | unlock_user_struct(target_ts, target_addr, 0); | |
1251 | return 0; | |
1252 | } | |
859e8a89 | 1253 | #endif |
6d5d5dde | 1254 | |
14690296 | 1255 | #if defined(TARGET_NR_clock_settime64) || defined(TARGET_NR_futex_time64) |
c6c8d102 AF |
1256 | static inline abi_long target_to_host_timespec64(struct timespec *host_ts, |
1257 | abi_ulong target_addr) | |
1258 | { | |
1259 | struct target__kernel_timespec *target_ts; | |
1260 | ||
1261 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) { | |
1262 | return -TARGET_EFAULT; | |
1263 | } | |
1264 | __get_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1265 | __get_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1266 | unlock_user_struct(target_ts, target_addr, 0); | |
1267 | return 0; | |
1268 | } | |
1269 | #endif | |
1270 | ||
6d5d5dde DB |
1271 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
1272 | struct timespec *host_ts) | |
1273 | { | |
1274 | struct target_timespec *target_ts; | |
1275 | ||
1276 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) { | |
1277 | return -TARGET_EFAULT; | |
1278 | } | |
1279 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1280 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1281 | unlock_user_struct(target_ts, target_addr, 1); | |
1282 | return 0; | |
1283 | } | |
1284 | ||
1285 | static inline abi_long host_to_target_timespec64(abi_ulong target_addr, | |
1286 | struct timespec *host_ts) | |
1287 | { | |
1288 | struct target__kernel_timespec *target_ts; | |
1289 | ||
1290 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) { | |
1291 | return -TARGET_EFAULT; | |
1292 | } | |
1293 | __put_user(host_ts->tv_sec, &target_ts->tv_sec); | |
1294 | __put_user(host_ts->tv_nsec, &target_ts->tv_nsec); | |
1295 | unlock_user_struct(target_ts, target_addr, 1); | |
1296 | return 0; | |
1297 | } | |
1298 | ||
a52f5f87 RH |
1299 | #if defined(TARGET_NR_gettimeofday) |
1300 | static inline abi_long copy_to_user_timezone(abi_ulong target_tz_addr, | |
1301 | struct timezone *tz) | |
1302 | { | |
1303 | struct target_timezone *target_tz; | |
1304 | ||
1305 | if (!lock_user_struct(VERIFY_WRITE, target_tz, target_tz_addr, 1)) { | |
1306 | return -TARGET_EFAULT; | |
1307 | } | |
1308 | ||
1309 | __put_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1310 | __put_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1311 | ||
1312 | unlock_user_struct(target_tz, target_tz_addr, 1); | |
1313 | ||
1314 | return 0; | |
1315 | } | |
1316 | #endif | |
1317 | ||
859e8a89 | 1318 | #if defined(TARGET_NR_settimeofday) |
ef4467e9 PB |
1319 | static inline abi_long copy_from_user_timezone(struct timezone *tz, |
1320 | abi_ulong target_tz_addr) | |
1321 | { | |
1322 | struct target_timezone *target_tz; | |
1323 | ||
1324 | if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) { | |
1325 | return -TARGET_EFAULT; | |
1326 | } | |
1327 | ||
1328 | __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
1329 | __get_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
1330 | ||
1331 | unlock_user_struct(target_tz, target_tz_addr, 0); | |
1332 | ||
1333 | return 0; | |
1334 | } | |
859e8a89 | 1335 | #endif |
ef4467e9 | 1336 | |
8ec9cf89 NF |
1337 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
1338 | #include <mqueue.h> | |
1339 | ||
24e1003a AJ |
1340 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
1341 | abi_ulong target_mq_attr_addr) | |
1342 | { | |
1343 | struct target_mq_attr *target_mq_attr; | |
1344 | ||
1345 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
1346 | target_mq_attr_addr, 1)) | |
1347 | return -TARGET_EFAULT; | |
1348 | ||
1349 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1350 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1351 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1352 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1353 | ||
1354 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
1355 | ||
1356 | return 0; | |
1357 | } | |
1358 | ||
1359 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
1360 | const struct mq_attr *attr) | |
1361 | { | |
1362 | struct target_mq_attr *target_mq_attr; | |
1363 | ||
1364 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
1365 | target_mq_attr_addr, 0)) | |
1366 | return -TARGET_EFAULT; | |
1367 | ||
1368 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
1369 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
1370 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
1371 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
1372 | ||
1373 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
1374 | ||
1375 | return 0; | |
1376 | } | |
8ec9cf89 | 1377 | #endif |
31e31b8a | 1378 | |
055e0906 | 1379 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 1380 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 1381 | static abi_long do_select(int n, |
26edcf41 TS |
1382 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
1383 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
1384 | { |
1385 | fd_set rfds, wfds, efds; | |
1386 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6df9d38d PM |
1387 | struct timeval tv; |
1388 | struct timespec ts, *ts_ptr; | |
992f48a0 | 1389 | abi_long ret; |
31e31b8a | 1390 | |
055e0906 MF |
1391 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
1392 | if (ret) { | |
1393 | return ret; | |
53a5960a | 1394 | } |
055e0906 MF |
1395 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
1396 | if (ret) { | |
1397 | return ret; | |
53a5960a | 1398 | } |
055e0906 MF |
1399 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
1400 | if (ret) { | |
1401 | return ret; | |
53a5960a | 1402 | } |
3b46e624 | 1403 | |
26edcf41 | 1404 | if (target_tv_addr) { |
788f5ec4 TS |
1405 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
1406 | return -TARGET_EFAULT; | |
6df9d38d PM |
1407 | ts.tv_sec = tv.tv_sec; |
1408 | ts.tv_nsec = tv.tv_usec * 1000; | |
1409 | ts_ptr = &ts; | |
31e31b8a | 1410 | } else { |
6df9d38d | 1411 | ts_ptr = NULL; |
31e31b8a | 1412 | } |
26edcf41 | 1413 | |
6df9d38d PM |
1414 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
1415 | ts_ptr, NULL)); | |
53a5960a | 1416 | |
26edcf41 TS |
1417 | if (!is_error(ret)) { |
1418 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
1419 | return -TARGET_EFAULT; | |
1420 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
1421 | return -TARGET_EFAULT; | |
1422 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
1423 | return -TARGET_EFAULT; | |
31e31b8a | 1424 | |
6df9d38d PM |
1425 | if (target_tv_addr) { |
1426 | tv.tv_sec = ts.tv_sec; | |
1427 | tv.tv_usec = ts.tv_nsec / 1000; | |
1428 | if (copy_to_user_timeval(target_tv_addr, &tv)) { | |
1429 | return -TARGET_EFAULT; | |
1430 | } | |
1431 | } | |
31e31b8a | 1432 | } |
579a97f7 | 1433 | |
31e31b8a FB |
1434 | return ret; |
1435 | } | |
5457dc9e LV |
1436 | |
1437 | #if defined(TARGET_WANT_OLD_SYS_SELECT) | |
1438 | static abi_long do_old_select(abi_ulong arg1) | |
1439 | { | |
1440 | struct target_sel_arg_struct *sel; | |
1441 | abi_ulong inp, outp, exp, tvp; | |
1442 | long nsel; | |
1443 | ||
1444 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) { | |
1445 | return -TARGET_EFAULT; | |
1446 | } | |
1447 | ||
1448 | nsel = tswapal(sel->n); | |
1449 | inp = tswapal(sel->inp); | |
1450 | outp = tswapal(sel->outp); | |
1451 | exp = tswapal(sel->exp); | |
1452 | tvp = tswapal(sel->tvp); | |
1453 | ||
1454 | unlock_user_struct(sel, arg1, 0); | |
1455 | ||
1456 | return do_select(nsel, inp, outp, exp, tvp); | |
1457 | } | |
1458 | #endif | |
055e0906 | 1459 | #endif |
31e31b8a | 1460 | |
099d6b0f RV |
1461 | static abi_long do_pipe2(int host_pipe[], int flags) |
1462 | { | |
1463 | #ifdef CONFIG_PIPE2 | |
1464 | return pipe2(host_pipe, flags); | |
1465 | #else | |
1466 | return -ENOSYS; | |
1467 | #endif | |
1468 | } | |
1469 | ||
fb41a66e RH |
1470 | static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
1471 | int flags, int is_pipe2) | |
099d6b0f RV |
1472 | { |
1473 | int host_pipe[2]; | |
1474 | abi_long ret; | |
1475 | ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); | |
1476 | ||
1477 | if (is_error(ret)) | |
1478 | return get_errno(ret); | |
fb41a66e RH |
1479 | |
1480 | /* Several targets have special calling conventions for the original | |
1481 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1482 | if (!is_pipe2) { | |
1483 | #if defined(TARGET_ALPHA) | |
1484 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1]; | |
1485 | return host_pipe[0]; | |
1486 | #elif defined(TARGET_MIPS) | |
1487 | ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; | |
1488 | return host_pipe[0]; | |
1489 | #elif defined(TARGET_SH4) | |
597c0212 | 1490 | ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
fb41a66e | 1491 | return host_pipe[0]; |
82f05b69 PM |
1492 | #elif defined(TARGET_SPARC) |
1493 | ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1]; | |
1494 | return host_pipe[0]; | |
597c0212 | 1495 | #endif |
fb41a66e RH |
1496 | } |
1497 | ||
099d6b0f RV |
1498 | if (put_user_s32(host_pipe[0], pipedes) |
1499 | || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) | |
1500 | return -TARGET_EFAULT; | |
099d6b0f RV |
1501 | return get_errno(ret); |
1502 | } | |
1503 | ||
b975b83b LL |
1504 | static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1505 | abi_ulong target_addr, | |
1506 | socklen_t len) | |
1507 | { | |
1508 | struct target_ip_mreqn *target_smreqn; | |
1509 | ||
1510 | target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); | |
1511 | if (!target_smreqn) | |
1512 | return -TARGET_EFAULT; | |
1513 | mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
1514 | mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
1515 | if (len == sizeof(struct target_ip_mreqn)) | |
cbb21eed | 1516 | mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
b975b83b LL |
1517 | unlock_user(target_smreqn, target_addr, 0); |
1518 | ||
1519 | return 0; | |
1520 | } | |
1521 | ||
7b36f782 | 1522 | static inline abi_long target_to_host_sockaddr(int fd, struct sockaddr *addr, |
579a97f7 FB |
1523 | abi_ulong target_addr, |
1524 | socklen_t len) | |
7854b056 | 1525 | { |
607175e0 AJ |
1526 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1527 | sa_family_t sa_family; | |
53a5960a PB |
1528 | struct target_sockaddr *target_saddr; |
1529 | ||
7b36f782 LV |
1530 | if (fd_trans_target_to_host_addr(fd)) { |
1531 | return fd_trans_target_to_host_addr(fd)(addr, target_addr, len); | |
1532 | } | |
1533 | ||
579a97f7 FB |
1534 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1535 | if (!target_saddr) | |
1536 | return -TARGET_EFAULT; | |
607175e0 AJ |
1537 | |
1538 | sa_family = tswap16(target_saddr->sa_family); | |
1539 | ||
1540 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1541 | * must be terminated by \0 (see the manual page), but | |
1542 | * unfortunately it is quite common to specify sockaddr_un | |
1543 | * length as "strlen(x->sun_path)" while it should be | |
1544 | * "strlen(...) + 1". We'll fix that here if needed. | |
1545 | * Linux kernel has a similar feature. | |
1546 | */ | |
1547 | ||
1548 | if (sa_family == AF_UNIX) { | |
1549 | if (len < unix_maxlen && len > 0) { | |
1550 | char *cp = (char*)target_saddr; | |
1551 | ||
1552 | if ( cp[len-1] && !cp[len] ) | |
1553 | len++; | |
1554 | } | |
1555 | if (len > unix_maxlen) | |
1556 | len = unix_maxlen; | |
1557 | } | |
1558 | ||
53a5960a | 1559 | memcpy(addr, target_saddr, len); |
607175e0 | 1560 | addr->sa_family = sa_family; |
6c5b5645 LV |
1561 | if (sa_family == AF_NETLINK) { |
1562 | struct sockaddr_nl *nladdr; | |
1563 | ||
1564 | nladdr = (struct sockaddr_nl *)addr; | |
1565 | nladdr->nl_pid = tswap32(nladdr->nl_pid); | |
1566 | nladdr->nl_groups = tswap32(nladdr->nl_groups); | |
1567 | } else if (sa_family == AF_PACKET) { | |
33a29b51 JT |
1568 | struct target_sockaddr_ll *lladdr; |
1569 | ||
1570 | lladdr = (struct target_sockaddr_ll *)addr; | |
1571 | lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex); | |
1572 | lladdr->sll_hatype = tswap16(lladdr->sll_hatype); | |
1573 | } | |
53a5960a | 1574 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1575 | |
1576 | return 0; | |
7854b056 FB |
1577 | } |
1578 | ||
579a97f7 FB |
1579 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1580 | struct sockaddr *addr, | |
1581 | socklen_t len) | |
7854b056 | 1582 | { |
53a5960a PB |
1583 | struct target_sockaddr *target_saddr; |
1584 | ||
a1e22192 PM |
1585 | if (len == 0) { |
1586 | return 0; | |
1587 | } | |
6860710c | 1588 | assert(addr); |
a1e22192 | 1589 | |
579a97f7 FB |
1590 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1591 | if (!target_saddr) | |
1592 | return -TARGET_EFAULT; | |
53a5960a | 1593 | memcpy(target_saddr, addr, len); |
a1e22192 PM |
1594 | if (len >= offsetof(struct target_sockaddr, sa_family) + |
1595 | sizeof(target_saddr->sa_family)) { | |
1596 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1597 | } | |
a47401bc PMD |
1598 | if (addr->sa_family == AF_NETLINK && |
1599 | len >= sizeof(struct target_sockaddr_nl)) { | |
1600 | struct target_sockaddr_nl *target_nl = | |
1601 | (struct target_sockaddr_nl *)target_saddr; | |
6c5b5645 LV |
1602 | target_nl->nl_pid = tswap32(target_nl->nl_pid); |
1603 | target_nl->nl_groups = tswap32(target_nl->nl_groups); | |
a82ea939 LV |
1604 | } else if (addr->sa_family == AF_PACKET) { |
1605 | struct sockaddr_ll *target_ll = (struct sockaddr_ll *)target_saddr; | |
1606 | target_ll->sll_ifindex = tswap32(target_ll->sll_ifindex); | |
1607 | target_ll->sll_hatype = tswap16(target_ll->sll_hatype); | |
ee1ac3a1 HD |
1608 | } else if (addr->sa_family == AF_INET6 && |
1609 | len >= sizeof(struct target_sockaddr_in6)) { | |
1610 | struct target_sockaddr_in6 *target_in6 = | |
1611 | (struct target_sockaddr_in6 *)target_saddr; | |
1612 | target_in6->sin6_scope_id = tswap16(target_in6->sin6_scope_id); | |
6c5b5645 | 1613 | } |
53a5960a | 1614 | unlock_user(target_saddr, target_addr, len); |
579a97f7 FB |
1615 | |
1616 | return 0; | |
7854b056 FB |
1617 | } |
1618 | ||
5a4a898d FB |
1619 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1620 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1621 | { |
1622 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1623 | abi_long msg_controllen; |
1624 | abi_ulong target_cmsg_addr; | |
ee104587 | 1625 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 | 1626 | socklen_t space = 0; |
5a4a898d | 1627 | |
cbb21eed | 1628 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1629 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1630 | goto the_end; | |
cbb21eed | 1631 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1632 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
ee104587 | 1633 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1634 | if (!target_cmsg) |
1635 | return -TARGET_EFAULT; | |
7854b056 FB |
1636 | |
1637 | while (cmsg && target_cmsg) { | |
1638 | void *data = CMSG_DATA(cmsg); | |
1639 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1640 | ||
cbb21eed | 1641 | int len = tswapal(target_cmsg->cmsg_len) |
ad762b99 | 1642 | - sizeof(struct target_cmsghdr); |
7854b056 FB |
1643 | |
1644 | space += CMSG_SPACE(len); | |
1645 | if (space > msgh->msg_controllen) { | |
1646 | space -= CMSG_SPACE(len); | |
c2aeb258 PM |
1647 | /* This is a QEMU bug, since we allocated the payload |
1648 | * area ourselves (unlike overflow in host-to-target | |
1649 | * conversion, which is just the guest giving us a buffer | |
1650 | * that's too small). It can't happen for the payload types | |
1651 | * we currently support; if it becomes an issue in future | |
1652 | * we would need to improve our allocation strategy to | |
1653 | * something more intelligent than "twice the size of the | |
1654 | * target buffer we're reading from". | |
1655 | */ | |
39be5350 JK |
1656 | qemu_log_mask(LOG_UNIMP, |
1657 | ("Unsupported ancillary data %d/%d: " | |
1658 | "unhandled msg size\n"), | |
1659 | tswap32(target_cmsg->cmsg_level), | |
1660 | tswap32(target_cmsg->cmsg_type)); | |
7854b056 FB |
1661 | break; |
1662 | } | |
1663 | ||
dbf4f796 PJ |
1664 | if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) { |
1665 | cmsg->cmsg_level = SOL_SOCKET; | |
1666 | } else { | |
1667 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1668 | } | |
7854b056 FB |
1669 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1670 | cmsg->cmsg_len = CMSG_LEN(len); | |
1671 | ||
30b8b68e | 1672 | if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { |
7854b056 FB |
1673 | int *fd = (int *)data; |
1674 | int *target_fd = (int *)target_data; | |
1675 | int i, numfds = len / sizeof(int); | |
1676 | ||
876e23cb PM |
1677 | for (i = 0; i < numfds; i++) { |
1678 | __get_user(fd[i], target_fd + i); | |
1679 | } | |
30b8b68e AS |
1680 | } else if (cmsg->cmsg_level == SOL_SOCKET |
1681 | && cmsg->cmsg_type == SCM_CREDENTIALS) { | |
1682 | struct ucred *cred = (struct ucred *)data; | |
1683 | struct target_ucred *target_cred = | |
1684 | (struct target_ucred *)target_data; | |
1685 | ||
876e23cb PM |
1686 | __get_user(cred->pid, &target_cred->pid); |
1687 | __get_user(cred->uid, &target_cred->uid); | |
1688 | __get_user(cred->gid, &target_cred->gid); | |
30b8b68e | 1689 | } else { |
39be5350 JK |
1690 | qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n", |
1691 | cmsg->cmsg_level, cmsg->cmsg_type); | |
30b8b68e | 1692 | memcpy(data, target_data, len); |
7854b056 FB |
1693 | } |
1694 | ||
1695 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
ee104587 JN |
1696 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg, |
1697 | target_cmsg_start); | |
7854b056 | 1698 | } |
5a4a898d FB |
1699 | unlock_user(target_cmsg, target_cmsg_addr, 0); |
1700 | the_end: | |
7854b056 | 1701 | msgh->msg_controllen = space; |
5a4a898d | 1702 | return 0; |
7854b056 FB |
1703 | } |
1704 | ||
5a4a898d FB |
1705 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1706 | struct msghdr *msgh) | |
7854b056 FB |
1707 | { |
1708 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1709 | abi_long msg_controllen; |
1710 | abi_ulong target_cmsg_addr; | |
ee104587 | 1711 | struct target_cmsghdr *target_cmsg, *target_cmsg_start; |
7854b056 FB |
1712 | socklen_t space = 0; |
1713 | ||
cbb21eed | 1714 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1715 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1716 | goto the_end; | |
cbb21eed | 1717 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d | 1718 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
ee104587 | 1719 | target_cmsg_start = target_cmsg; |
5a4a898d FB |
1720 | if (!target_cmsg) |
1721 | return -TARGET_EFAULT; | |
1722 | ||
7854b056 FB |
1723 | while (cmsg && target_cmsg) { |
1724 | void *data = CMSG_DATA(cmsg); | |
1725 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1726 | ||
ad762b99 | 1727 | int len = cmsg->cmsg_len - sizeof(struct cmsghdr); |
c2aeb258 | 1728 | int tgt_len, tgt_space; |
7854b056 | 1729 | |
c2aeb258 PM |
1730 | /* We never copy a half-header but may copy half-data; |
1731 | * this is Linux's behaviour in put_cmsg(). Note that | |
1732 | * truncation here is a guest problem (which we report | |
1733 | * to the guest via the CTRUNC bit), unlike truncation | |
1734 | * in target_to_host_cmsg, which is a QEMU bug. | |
1735 | */ | |
7174970a | 1736 | if (msg_controllen < sizeof(struct target_cmsghdr)) { |
c2aeb258 | 1737 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7854b056 FB |
1738 | break; |
1739 | } | |
1740 | ||
dbf4f796 PJ |
1741 | if (cmsg->cmsg_level == SOL_SOCKET) { |
1742 | target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); | |
1743 | } else { | |
1744 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1745 | } | |
7854b056 | 1746 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
7854b056 | 1747 | |
c2aeb258 PM |
1748 | /* Payload types which need a different size of payload on |
1749 | * the target must adjust tgt_len here. | |
1750 | */ | |
309786cf | 1751 | tgt_len = len; |
c2aeb258 PM |
1752 | switch (cmsg->cmsg_level) { |
1753 | case SOL_SOCKET: | |
1754 | switch (cmsg->cmsg_type) { | |
1755 | case SO_TIMESTAMP: | |
1756 | tgt_len = sizeof(struct target_timeval); | |
1757 | break; | |
1758 | default: | |
1759 | break; | |
1760 | } | |
309786cf | 1761 | break; |
c2aeb258 PM |
1762 | default: |
1763 | break; | |
1764 | } | |
1765 | ||
7174970a | 1766 | if (msg_controllen < TARGET_CMSG_LEN(tgt_len)) { |
c2aeb258 | 1767 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); |
7174970a | 1768 | tgt_len = msg_controllen - sizeof(struct target_cmsghdr); |
c2aeb258 PM |
1769 | } |
1770 | ||
1771 | /* We must now copy-and-convert len bytes of payload | |
1772 | * into tgt_len bytes of destination space. Bear in mind | |
1773 | * that in both source and destination we may be dealing | |
1774 | * with a truncated value! | |
1775 | */ | |
52b65494 HD |
1776 | switch (cmsg->cmsg_level) { |
1777 | case SOL_SOCKET: | |
1778 | switch (cmsg->cmsg_type) { | |
1779 | case SCM_RIGHTS: | |
1780 | { | |
1781 | int *fd = (int *)data; | |
1782 | int *target_fd = (int *)target_data; | |
c2aeb258 | 1783 | int i, numfds = tgt_len / sizeof(int); |
52b65494 | 1784 | |
876e23cb PM |
1785 | for (i = 0; i < numfds; i++) { |
1786 | __put_user(fd[i], target_fd + i); | |
1787 | } | |
52b65494 HD |
1788 | break; |
1789 | } | |
1790 | case SO_TIMESTAMP: | |
1791 | { | |
1792 | struct timeval *tv = (struct timeval *)data; | |
1793 | struct target_timeval *target_tv = | |
1794 | (struct target_timeval *)target_data; | |
1795 | ||
c2aeb258 PM |
1796 | if (len != sizeof(struct timeval) || |
1797 | tgt_len != sizeof(struct target_timeval)) { | |
52b65494 | 1798 | goto unimplemented; |
c2aeb258 | 1799 | } |
52b65494 HD |
1800 | |
1801 | /* copy struct timeval to target */ | |
876e23cb PM |
1802 | __put_user(tv->tv_sec, &target_tv->tv_sec); |
1803 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
52b65494 HD |
1804 | break; |
1805 | } | |
4bc29756 HD |
1806 | case SCM_CREDENTIALS: |
1807 | { | |
1808 | struct ucred *cred = (struct ucred *)data; | |
1809 | struct target_ucred *target_cred = | |
1810 | (struct target_ucred *)target_data; | |
1811 | ||
1812 | __put_user(cred->pid, &target_cred->pid); | |
1813 | __put_user(cred->uid, &target_cred->uid); | |
1814 | __put_user(cred->gid, &target_cred->gid); | |
1815 | break; | |
1816 | } | |
52b65494 HD |
1817 | default: |
1818 | goto unimplemented; | |
1819 | } | |
1820 | break; | |
7854b056 | 1821 | |
ee1ac3a1 HD |
1822 | case SOL_IP: |
1823 | switch (cmsg->cmsg_type) { | |
1824 | case IP_TTL: | |
1825 | { | |
1826 | uint32_t *v = (uint32_t *)data; | |
1827 | uint32_t *t_int = (uint32_t *)target_data; | |
1828 | ||
7174970a PM |
1829 | if (len != sizeof(uint32_t) || |
1830 | tgt_len != sizeof(uint32_t)) { | |
1831 | goto unimplemented; | |
1832 | } | |
ee1ac3a1 HD |
1833 | __put_user(*v, t_int); |
1834 | break; | |
1835 | } | |
1836 | case IP_RECVERR: | |
1837 | { | |
1838 | struct errhdr_t { | |
1839 | struct sock_extended_err ee; | |
1840 | struct sockaddr_in offender; | |
1841 | }; | |
1842 | struct errhdr_t *errh = (struct errhdr_t *)data; | |
1843 | struct errhdr_t *target_errh = | |
1844 | (struct errhdr_t *)target_data; | |
1845 | ||
7174970a PM |
1846 | if (len != sizeof(struct errhdr_t) || |
1847 | tgt_len != sizeof(struct errhdr_t)) { | |
1848 | goto unimplemented; | |
1849 | } | |
ee1ac3a1 HD |
1850 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
1851 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
1852 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
1853 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
1854 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
1855 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
1856 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
1857 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
1858 | (void *) &errh->offender, sizeof(errh->offender)); | |
1859 | break; | |
1860 | } | |
1861 | default: | |
1862 | goto unimplemented; | |
1863 | } | |
1864 | break; | |
1865 | ||
1866 | case SOL_IPV6: | |
1867 | switch (cmsg->cmsg_type) { | |
1868 | case IPV6_HOPLIMIT: | |
1869 | { | |
1870 | uint32_t *v = (uint32_t *)data; | |
1871 | uint32_t *t_int = (uint32_t *)target_data; | |
1872 | ||
7174970a PM |
1873 | if (len != sizeof(uint32_t) || |
1874 | tgt_len != sizeof(uint32_t)) { | |
1875 | goto unimplemented; | |
1876 | } | |
ee1ac3a1 HD |
1877 | __put_user(*v, t_int); |
1878 | break; | |
1879 | } | |
1880 | case IPV6_RECVERR: | |
1881 | { | |
1882 | struct errhdr6_t { | |
1883 | struct sock_extended_err ee; | |
1884 | struct sockaddr_in6 offender; | |
1885 | }; | |
1886 | struct errhdr6_t *errh = (struct errhdr6_t *)data; | |
1887 | struct errhdr6_t *target_errh = | |
1888 | (struct errhdr6_t *)target_data; | |
1889 | ||
7174970a PM |
1890 | if (len != sizeof(struct errhdr6_t) || |
1891 | tgt_len != sizeof(struct errhdr6_t)) { | |
1892 | goto unimplemented; | |
1893 | } | |
ee1ac3a1 HD |
1894 | __put_user(errh->ee.ee_errno, &target_errh->ee.ee_errno); |
1895 | __put_user(errh->ee.ee_origin, &target_errh->ee.ee_origin); | |
1896 | __put_user(errh->ee.ee_type, &target_errh->ee.ee_type); | |
1897 | __put_user(errh->ee.ee_code, &target_errh->ee.ee_code); | |
1898 | __put_user(errh->ee.ee_pad, &target_errh->ee.ee_pad); | |
1899 | __put_user(errh->ee.ee_info, &target_errh->ee.ee_info); | |
1900 | __put_user(errh->ee.ee_data, &target_errh->ee.ee_data); | |
1901 | host_to_target_sockaddr((unsigned long) &target_errh->offender, | |
1902 | (void *) &errh->offender, sizeof(errh->offender)); | |
1903 | break; | |
1904 | } | |
1905 | default: | |
1906 | goto unimplemented; | |
1907 | } | |
1908 | break; | |
1909 | ||
52b65494 HD |
1910 | default: |
1911 | unimplemented: | |
39be5350 JK |
1912 | qemu_log_mask(LOG_UNIMP, "Unsupported ancillary data: %d/%d\n", |
1913 | cmsg->cmsg_level, cmsg->cmsg_type); | |
c2aeb258 PM |
1914 | memcpy(target_data, data, MIN(len, tgt_len)); |
1915 | if (tgt_len > len) { | |
1916 | memset(target_data + len, 0, tgt_len - len); | |
1917 | } | |
7854b056 FB |
1918 | } |
1919 | ||
7174970a PM |
1920 | target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(tgt_len)); |
1921 | tgt_space = TARGET_CMSG_SPACE(tgt_len); | |
c2aeb258 PM |
1922 | if (msg_controllen < tgt_space) { |
1923 | tgt_space = msg_controllen; | |
1924 | } | |
1925 | msg_controllen -= tgt_space; | |
1926 | space += tgt_space; | |
7854b056 | 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, space); |
1932 | the_end: | |
cbb21eed | 1933 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 1934 | return 0; |
7854b056 FB |
1935 | } |
1936 | ||
0da46a6e | 1937 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 1938 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 1939 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 1940 | { |
992f48a0 | 1941 | abi_long ret; |
32407103 | 1942 | int val; |
b975b83b | 1943 | struct ip_mreqn *ip_mreq; |
6e3cb58f | 1944 | struct ip_mreq_source *ip_mreq_source; |
3b46e624 | 1945 | |
8853f86e FB |
1946 | switch(level) { |
1947 | case SOL_TCP: | |
7854b056 | 1948 | /* TCP options all take an 'int' value. */ |
7854b056 | 1949 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 1950 | return -TARGET_EINVAL; |
3b46e624 | 1951 | |
2f619698 FB |
1952 | if (get_user_u32(val, optval_addr)) |
1953 | return -TARGET_EFAULT; | |
8853f86e FB |
1954 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
1955 | break; | |
1956 | case SOL_IP: | |
1957 | switch(optname) { | |
2efbe911 FB |
1958 | case IP_TOS: |
1959 | case IP_TTL: | |
8853f86e | 1960 | case IP_HDRINCL: |
2efbe911 FB |
1961 | case IP_ROUTER_ALERT: |
1962 | case IP_RECVOPTS: | |
1963 | case IP_RETOPTS: | |
1964 | case IP_PKTINFO: | |
1965 | case IP_MTU_DISCOVER: | |
1966 | case IP_RECVERR: | |
ee1ac3a1 | 1967 | case IP_RECVTTL: |
2efbe911 FB |
1968 | case IP_RECVTOS: |
1969 | #ifdef IP_FREEBIND | |
1970 | case IP_FREEBIND: | |
1971 | #endif | |
1972 | case IP_MULTICAST_TTL: | |
1973 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
1974 | val = 0; |
1975 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
1976 | if (get_user_u32(val, optval_addr)) |
1977 | return -TARGET_EFAULT; | |
8853f86e | 1978 | } else if (optlen >= 1) { |
2f619698 FB |
1979 | if (get_user_u8(val, optval_addr)) |
1980 | return -TARGET_EFAULT; | |
8853f86e FB |
1981 | } |
1982 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
1983 | break; | |
b975b83b LL |
1984 | case IP_ADD_MEMBERSHIP: |
1985 | case IP_DROP_MEMBERSHIP: | |
1986 | if (optlen < sizeof (struct target_ip_mreq) || | |
1987 | optlen > sizeof (struct target_ip_mreqn)) | |
1988 | return -TARGET_EINVAL; | |
1989 | ||
1990 | ip_mreq = (struct ip_mreqn *) alloca(optlen); | |
1991 | target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); | |
1992 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); | |
1993 | break; | |
1994 | ||
6e3cb58f LL |
1995 | case IP_BLOCK_SOURCE: |
1996 | case IP_UNBLOCK_SOURCE: | |
1997 | case IP_ADD_SOURCE_MEMBERSHIP: | |
1998 | case IP_DROP_SOURCE_MEMBERSHIP: | |
1999 | if (optlen != sizeof (struct target_ip_mreq_source)) | |
2000 | return -TARGET_EINVAL; | |
2001 | ||
2002 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
2003 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); | |
2004 | unlock_user (ip_mreq_source, optval_addr, 0); | |
2005 | break; | |
2006 | ||
920394db JH |
2007 | default: |
2008 | goto unimplemented; | |
2009 | } | |
2010 | break; | |
0d78b3b5 LV |
2011 | case SOL_IPV6: |
2012 | switch (optname) { | |
2013 | case IPV6_MTU_DISCOVER: | |
2014 | case IPV6_MTU: | |
2015 | case IPV6_V6ONLY: | |
2016 | case IPV6_RECVPKTINFO: | |
ee1ac3a1 | 2017 | case IPV6_UNICAST_HOPS: |
21749c4c LV |
2018 | case IPV6_MULTICAST_HOPS: |
2019 | case IPV6_MULTICAST_LOOP: | |
ee1ac3a1 HD |
2020 | case IPV6_RECVERR: |
2021 | case IPV6_RECVHOPLIMIT: | |
2022 | case IPV6_2292HOPLIMIT: | |
2023 | case IPV6_CHECKSUM: | |
b9cce6d7 HD |
2024 | case IPV6_ADDRFORM: |
2025 | case IPV6_2292PKTINFO: | |
2026 | case IPV6_RECVTCLASS: | |
2027 | case IPV6_RECVRTHDR: | |
2028 | case IPV6_2292RTHDR: | |
2029 | case IPV6_RECVHOPOPTS: | |
2030 | case IPV6_2292HOPOPTS: | |
2031 | case IPV6_RECVDSTOPTS: | |
2032 | case IPV6_2292DSTOPTS: | |
2033 | case IPV6_TCLASS: | |
2034 | #ifdef IPV6_RECVPATHMTU | |
2035 | case IPV6_RECVPATHMTU: | |
2036 | #endif | |
2037 | #ifdef IPV6_TRANSPARENT | |
2038 | case IPV6_TRANSPARENT: | |
2039 | #endif | |
2040 | #ifdef IPV6_FREEBIND | |
2041 | case IPV6_FREEBIND: | |
2042 | #endif | |
2043 | #ifdef IPV6_RECVORIGDSTADDR | |
2044 | case IPV6_RECVORIGDSTADDR: | |
2045 | #endif | |
0d78b3b5 LV |
2046 | val = 0; |
2047 | if (optlen < sizeof(uint32_t)) { | |
2048 | return -TARGET_EINVAL; | |
2049 | } | |
2050 | if (get_user_u32(val, optval_addr)) { | |
2051 | return -TARGET_EFAULT; | |
2052 | } | |
2053 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2054 | &val, sizeof(val))); | |
2055 | break; | |
ee1ac3a1 HD |
2056 | case IPV6_PKTINFO: |
2057 | { | |
2058 | struct in6_pktinfo pki; | |
2059 | ||
2060 | if (optlen < sizeof(pki)) { | |
2061 | return -TARGET_EINVAL; | |
2062 | } | |
2063 | ||
2064 | if (copy_from_user(&pki, optval_addr, sizeof(pki))) { | |
2065 | return -TARGET_EFAULT; | |
2066 | } | |
2067 | ||
2068 | pki.ipi6_ifindex = tswap32(pki.ipi6_ifindex); | |
2069 | ||
2070 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2071 | &pki, sizeof(pki))); | |
2072 | break; | |
2073 | } | |
22bf4ee9 NC |
2074 | case IPV6_ADD_MEMBERSHIP: |
2075 | case IPV6_DROP_MEMBERSHIP: | |
2076 | { | |
2077 | struct ipv6_mreq ipv6mreq; | |
2078 | ||
2079 | if (optlen < sizeof(ipv6mreq)) { | |
2080 | return -TARGET_EINVAL; | |
2081 | } | |
2082 | ||
2083 | if (copy_from_user(&ipv6mreq, optval_addr, sizeof(ipv6mreq))) { | |
2084 | return -TARGET_EFAULT; | |
2085 | } | |
2086 | ||
2087 | ipv6mreq.ipv6mr_interface = tswap32(ipv6mreq.ipv6mr_interface); | |
2088 | ||
2089 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2090 | &ipv6mreq, sizeof(ipv6mreq))); | |
2091 | break; | |
2092 | } | |
ee1ac3a1 HD |
2093 | default: |
2094 | goto unimplemented; | |
2095 | } | |
2096 | break; | |
2097 | case SOL_ICMPV6: | |
2098 | switch (optname) { | |
2099 | case ICMPV6_FILTER: | |
2100 | { | |
2101 | struct icmp6_filter icmp6f; | |
2102 | ||
2103 | if (optlen > sizeof(icmp6f)) { | |
2104 | optlen = sizeof(icmp6f); | |
2105 | } | |
2106 | ||
2107 | if (copy_from_user(&icmp6f, optval_addr, optlen)) { | |
2108 | return -TARGET_EFAULT; | |
2109 | } | |
2110 | ||
2111 | for (val = 0; val < 8; val++) { | |
2112 | icmp6f.data[val] = tswap32(icmp6f.data[val]); | |
2113 | } | |
2114 | ||
2115 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2116 | &icmp6f, optlen)); | |
2117 | break; | |
2118 | } | |
0d78b3b5 LV |
2119 | default: |
2120 | goto unimplemented; | |
2121 | } | |
2122 | break; | |
920394db JH |
2123 | case SOL_RAW: |
2124 | switch (optname) { | |
2125 | case ICMP_FILTER: | |
ee1ac3a1 HD |
2126 | case IPV6_CHECKSUM: |
2127 | /* those take an u32 value */ | |
920394db JH |
2128 | if (optlen < sizeof(uint32_t)) { |
2129 | return -TARGET_EINVAL; | |
2130 | } | |
2131 | ||
2132 | if (get_user_u32(val, optval_addr)) { | |
2133 | return -TARGET_EFAULT; | |
2134 | } | |
2135 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2136 | &val, sizeof(val))); | |
2137 | break; | |
2138 | ||
8853f86e FB |
2139 | default: |
2140 | goto unimplemented; | |
2141 | } | |
2142 | break; | |
f31dddd2 YS |
2143 | #if defined(SOL_ALG) && defined(ALG_SET_KEY) && defined(ALG_SET_AEAD_AUTHSIZE) |
2144 | case SOL_ALG: | |
2145 | switch (optname) { | |
2146 | case ALG_SET_KEY: | |
2147 | { | |
2148 | char *alg_key = g_malloc(optlen); | |
2149 | ||
2150 | if (!alg_key) { | |
2151 | return -TARGET_ENOMEM; | |
2152 | } | |
2153 | if (copy_from_user(alg_key, optval_addr, optlen)) { | |
2154 | g_free(alg_key); | |
2155 | return -TARGET_EFAULT; | |
2156 | } | |
2157 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2158 | alg_key, optlen)); | |
2159 | g_free(alg_key); | |
2160 | break; | |
2161 | } | |
2162 | case ALG_SET_AEAD_AUTHSIZE: | |
2163 | { | |
2164 | ret = get_errno(setsockopt(sockfd, level, optname, | |
2165 | NULL, optlen)); | |
2166 | break; | |
2167 | } | |
2168 | default: | |
2169 | goto unimplemented; | |
2170 | } | |
2171 | break; | |
2172 | #endif | |
3532fa74 | 2173 | case TARGET_SOL_SOCKET: |
8853f86e | 2174 | switch (optname) { |
1b09aeb9 LV |
2175 | case TARGET_SO_RCVTIMEO: |
2176 | { | |
2177 | struct timeval tv; | |
2178 | ||
2179 | optname = SO_RCVTIMEO; | |
2180 | ||
2181 | set_timeout: | |
2182 | if (optlen != sizeof(struct target_timeval)) { | |
2183 | return -TARGET_EINVAL; | |
2184 | } | |
2185 | ||
2186 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
2187 | return -TARGET_EFAULT; | |
2188 | } | |
2189 | ||
2190 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, | |
2191 | &tv, sizeof(tv))); | |
2192 | return ret; | |
2193 | } | |
2194 | case TARGET_SO_SNDTIMEO: | |
2195 | optname = SO_SNDTIMEO; | |
2196 | goto set_timeout; | |
f57d4192 LV |
2197 | case TARGET_SO_ATTACH_FILTER: |
2198 | { | |
2199 | struct target_sock_fprog *tfprog; | |
2200 | struct target_sock_filter *tfilter; | |
2201 | struct sock_fprog fprog; | |
2202 | struct sock_filter *filter; | |
2203 | int i; | |
2204 | ||
2205 | if (optlen != sizeof(*tfprog)) { | |
2206 | return -TARGET_EINVAL; | |
2207 | } | |
2208 | if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { | |
2209 | return -TARGET_EFAULT; | |
2210 | } | |
2211 | if (!lock_user_struct(VERIFY_READ, tfilter, | |
2212 | tswapal(tfprog->filter), 0)) { | |
2213 | unlock_user_struct(tfprog, optval_addr, 1); | |
2214 | return -TARGET_EFAULT; | |
2215 | } | |
2216 | ||
2217 | fprog.len = tswap16(tfprog->len); | |
0e173b24 | 2218 | filter = g_try_new(struct sock_filter, fprog.len); |
f57d4192 LV |
2219 | if (filter == NULL) { |
2220 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2221 | unlock_user_struct(tfprog, optval_addr, 1); | |
2222 | return -TARGET_ENOMEM; | |
2223 | } | |
2224 | for (i = 0; i < fprog.len; i++) { | |
2225 | filter[i].code = tswap16(tfilter[i].code); | |
2226 | filter[i].jt = tfilter[i].jt; | |
2227 | filter[i].jf = tfilter[i].jf; | |
2228 | filter[i].k = tswap32(tfilter[i].k); | |
2229 | } | |
2230 | fprog.filter = filter; | |
2231 | ||
2232 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, | |
2233 | SO_ATTACH_FILTER, &fprog, sizeof(fprog))); | |
0e173b24 | 2234 | g_free(filter); |
f57d4192 LV |
2235 | |
2236 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
2237 | unlock_user_struct(tfprog, optval_addr, 1); | |
2238 | return ret; | |
2239 | } | |
451aaf68 JT |
2240 | case TARGET_SO_BINDTODEVICE: |
2241 | { | |
2242 | char *dev_ifname, *addr_ifname; | |
2243 | ||
2244 | if (optlen > IFNAMSIZ - 1) { | |
2245 | optlen = IFNAMSIZ - 1; | |
2246 | } | |
2247 | dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
2248 | if (!dev_ifname) { | |
2249 | return -TARGET_EFAULT; | |
2250 | } | |
2251 | optname = SO_BINDTODEVICE; | |
2252 | addr_ifname = alloca(IFNAMSIZ); | |
2253 | memcpy(addr_ifname, dev_ifname, optlen); | |
2254 | addr_ifname[optlen] = 0; | |
fad6c58a CG |
2255 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, |
2256 | addr_ifname, optlen)); | |
451aaf68 JT |
2257 | unlock_user (dev_ifname, optval_addr, 0); |
2258 | return ret; | |
2259 | } | |
83eb6e50 CMAB |
2260 | case TARGET_SO_LINGER: |
2261 | { | |
2262 | struct linger lg; | |
2263 | struct target_linger *tlg; | |
2264 | ||
2265 | if (optlen != sizeof(struct target_linger)) { | |
2266 | return -TARGET_EINVAL; | |
2267 | } | |
2268 | if (!lock_user_struct(VERIFY_READ, tlg, optval_addr, 1)) { | |
2269 | return -TARGET_EFAULT; | |
2270 | } | |
2271 | __get_user(lg.l_onoff, &tlg->l_onoff); | |
2272 | __get_user(lg.l_linger, &tlg->l_linger); | |
2273 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, SO_LINGER, | |
2274 | &lg, sizeof(lg))); | |
2275 | unlock_user_struct(tlg, optval_addr, 0); | |
2276 | return ret; | |
2277 | } | |
8853f86e | 2278 | /* Options with 'int' argument. */ |
3532fa74 FB |
2279 | case TARGET_SO_DEBUG: |
2280 | optname = SO_DEBUG; | |
2281 | break; | |
2282 | case TARGET_SO_REUSEADDR: | |
2283 | optname = SO_REUSEADDR; | |
2284 | break; | |
113a9dd7 YS |
2285 | #ifdef SO_REUSEPORT |
2286 | case TARGET_SO_REUSEPORT: | |
2287 | optname = SO_REUSEPORT; | |
2288 | break; | |
2289 | #endif | |
3532fa74 FB |
2290 | case TARGET_SO_TYPE: |
2291 | optname = SO_TYPE; | |
2292 | break; | |
2293 | case TARGET_SO_ERROR: | |
2294 | optname = SO_ERROR; | |
2295 | break; | |
2296 | case TARGET_SO_DONTROUTE: | |
2297 | optname = SO_DONTROUTE; | |
2298 | break; | |
2299 | case TARGET_SO_BROADCAST: | |
2300 | optname = SO_BROADCAST; | |
2301 | break; | |
2302 | case TARGET_SO_SNDBUF: | |
2303 | optname = SO_SNDBUF; | |
2304 | break; | |
d79b6cc4 PB |
2305 | case TARGET_SO_SNDBUFFORCE: |
2306 | optname = SO_SNDBUFFORCE; | |
2307 | break; | |
3532fa74 FB |
2308 | case TARGET_SO_RCVBUF: |
2309 | optname = SO_RCVBUF; | |
2310 | break; | |
d79b6cc4 PB |
2311 | case TARGET_SO_RCVBUFFORCE: |
2312 | optname = SO_RCVBUFFORCE; | |
2313 | break; | |
3532fa74 FB |
2314 | case TARGET_SO_KEEPALIVE: |
2315 | optname = SO_KEEPALIVE; | |
2316 | break; | |
2317 | case TARGET_SO_OOBINLINE: | |
2318 | optname = SO_OOBINLINE; | |
2319 | break; | |
2320 | case TARGET_SO_NO_CHECK: | |
2321 | optname = SO_NO_CHECK; | |
2322 | break; | |
2323 | case TARGET_SO_PRIORITY: | |
2324 | optname = SO_PRIORITY; | |
2325 | break; | |
5e83e8e3 | 2326 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
2327 | case TARGET_SO_BSDCOMPAT: |
2328 | optname = SO_BSDCOMPAT; | |
2329 | break; | |
5e83e8e3 | 2330 | #endif |
3532fa74 FB |
2331 | case TARGET_SO_PASSCRED: |
2332 | optname = SO_PASSCRED; | |
2333 | break; | |
82d0fe6b PB |
2334 | case TARGET_SO_PASSSEC: |
2335 | optname = SO_PASSSEC; | |
2336 | break; | |
3532fa74 FB |
2337 | case TARGET_SO_TIMESTAMP: |
2338 | optname = SO_TIMESTAMP; | |
2339 | break; | |
2340 | case TARGET_SO_RCVLOWAT: | |
2341 | optname = SO_RCVLOWAT; | |
2342 | break; | |
8853f86e FB |
2343 | default: |
2344 | goto unimplemented; | |
2345 | } | |
3532fa74 | 2346 | if (optlen < sizeof(uint32_t)) |
2f619698 | 2347 | return -TARGET_EINVAL; |
3532fa74 | 2348 | |
2f619698 FB |
2349 | if (get_user_u32(val, optval_addr)) |
2350 | return -TARGET_EFAULT; | |
3532fa74 | 2351 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 2352 | break; |
a2d86682 JK |
2353 | #ifdef SOL_NETLINK |
2354 | case SOL_NETLINK: | |
2355 | switch (optname) { | |
2356 | case NETLINK_PKTINFO: | |
2357 | case NETLINK_ADD_MEMBERSHIP: | |
2358 | case NETLINK_DROP_MEMBERSHIP: | |
2359 | case NETLINK_BROADCAST_ERROR: | |
2360 | case NETLINK_NO_ENOBUFS: | |
2361 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
2362 | case NETLINK_LISTEN_ALL_NSID: | |
2363 | case NETLINK_CAP_ACK: | |
2364 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ | |
2365 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) | |
2366 | case NETLINK_EXT_ACK: | |
2367 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2368 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0) | |
2369 | case NETLINK_GET_STRICT_CHK: | |
2370 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2371 | break; | |
2372 | default: | |
2373 | goto unimplemented; | |
2374 | } | |
2375 | val = 0; | |
2376 | if (optlen < sizeof(uint32_t)) { | |
2377 | return -TARGET_EINVAL; | |
2378 | } | |
2379 | if (get_user_u32(val, optval_addr)) { | |
2380 | return -TARGET_EFAULT; | |
2381 | } | |
2382 | ret = get_errno(setsockopt(sockfd, SOL_NETLINK, optname, &val, | |
2383 | sizeof(val))); | |
2384 | break; | |
2385 | #endif /* SOL_NETLINK */ | |
7854b056 | 2386 | default: |
8853f86e | 2387 | unimplemented: |
39be5350 JK |
2388 | qemu_log_mask(LOG_UNIMP, "Unsupported setsockopt level=%d optname=%d\n", |
2389 | level, optname); | |
6fa13c17 | 2390 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 2391 | } |
8853f86e | 2392 | return ret; |
7854b056 FB |
2393 | } |
2394 | ||
0da46a6e | 2395 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 2396 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 2397 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 2398 | { |
992f48a0 | 2399 | abi_long ret; |
b55266b5 BS |
2400 | int len, val; |
2401 | socklen_t lv; | |
8853f86e FB |
2402 | |
2403 | switch(level) { | |
3532fa74 | 2404 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
2405 | level = SOL_SOCKET; |
2406 | switch (optname) { | |
2407 | /* These don't just return a single integer */ | |
f3b974cd JL |
2408 | case TARGET_SO_PEERNAME: |
2409 | goto unimplemented; | |
405dc4cf AS |
2410 | case TARGET_SO_RCVTIMEO: { |
2411 | struct timeval tv; | |
2412 | socklen_t tvlen; | |
2413 | ||
2414 | optname = SO_RCVTIMEO; | |
2415 | ||
2416 | get_timeout: | |
2417 | if (get_user_u32(len, optlen)) { | |
2418 | return -TARGET_EFAULT; | |
2419 | } | |
2420 | if (len < 0) { | |
2421 | return -TARGET_EINVAL; | |
2422 | } | |
2423 | ||
2424 | tvlen = sizeof(tv); | |
2425 | ret = get_errno(getsockopt(sockfd, level, optname, | |
2426 | &tv, &tvlen)); | |
2427 | if (ret < 0) { | |
2428 | return ret; | |
2429 | } | |
2430 | if (len > sizeof(struct target_timeval)) { | |
2431 | len = sizeof(struct target_timeval); | |
2432 | } | |
2433 | if (copy_to_user_timeval(optval_addr, &tv)) { | |
2434 | return -TARGET_EFAULT; | |
2435 | } | |
2436 | if (put_user_u32(len, optlen)) { | |
2437 | return -TARGET_EFAULT; | |
2438 | } | |
2439 | break; | |
2440 | } | |
2441 | case TARGET_SO_SNDTIMEO: | |
2442 | optname = SO_SNDTIMEO; | |
2443 | goto get_timeout; | |
583359a6 AP |
2444 | case TARGET_SO_PEERCRED: { |
2445 | struct ucred cr; | |
2446 | socklen_t crlen; | |
2447 | struct target_ucred *tcr; | |
2448 | ||
2449 | if (get_user_u32(len, optlen)) { | |
2450 | return -TARGET_EFAULT; | |
2451 | } | |
2452 | if (len < 0) { | |
2453 | return -TARGET_EINVAL; | |
2454 | } | |
2455 | ||
2456 | crlen = sizeof(cr); | |
2457 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
2458 | &cr, &crlen)); | |
2459 | if (ret < 0) { | |
2460 | return ret; | |
2461 | } | |
2462 | if (len > crlen) { | |
2463 | len = crlen; | |
2464 | } | |
2465 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
2466 | return -TARGET_EFAULT; | |
2467 | } | |
2468 | __put_user(cr.pid, &tcr->pid); | |
2469 | __put_user(cr.uid, &tcr->uid); | |
2470 | __put_user(cr.gid, &tcr->gid); | |
2471 | unlock_user_struct(tcr, optval_addr, 1); | |
2472 | if (put_user_u32(len, optlen)) { | |
83eb6e50 CMAB |
2473 | return -TARGET_EFAULT; |
2474 | } | |
2475 | break; | |
2476 | } | |
6d485a55 LV |
2477 | case TARGET_SO_PEERSEC: { |
2478 | char *name; | |
2479 | ||
2480 | if (get_user_u32(len, optlen)) { | |
2481 | return -TARGET_EFAULT; | |
2482 | } | |
2483 | if (len < 0) { | |
2484 | return -TARGET_EINVAL; | |
2485 | } | |
2486 | name = lock_user(VERIFY_WRITE, optval_addr, len, 0); | |
2487 | if (!name) { | |
2488 | return -TARGET_EFAULT; | |
2489 | } | |
2490 | lv = len; | |
2491 | ret = get_errno(getsockopt(sockfd, level, SO_PEERSEC, | |
2492 | name, &lv)); | |
2493 | if (put_user_u32(lv, optlen)) { | |
2494 | ret = -TARGET_EFAULT; | |
2495 | } | |
2496 | unlock_user(name, optval_addr, lv); | |
2497 | break; | |
2498 | } | |
83eb6e50 CMAB |
2499 | case TARGET_SO_LINGER: |
2500 | { | |
2501 | struct linger lg; | |
2502 | socklen_t lglen; | |
2503 | struct target_linger *tlg; | |
2504 | ||
2505 | if (get_user_u32(len, optlen)) { | |
2506 | return -TARGET_EFAULT; | |
2507 | } | |
2508 | if (len < 0) { | |
2509 | return -TARGET_EINVAL; | |
2510 | } | |
2511 | ||
2512 | lglen = sizeof(lg); | |
2513 | ret = get_errno(getsockopt(sockfd, level, SO_LINGER, | |
2514 | &lg, &lglen)); | |
2515 | if (ret < 0) { | |
2516 | return ret; | |
2517 | } | |
2518 | if (len > lglen) { | |
2519 | len = lglen; | |
2520 | } | |
2521 | if (!lock_user_struct(VERIFY_WRITE, tlg, optval_addr, 0)) { | |
2522 | return -TARGET_EFAULT; | |
2523 | } | |
2524 | __put_user(lg.l_onoff, &tlg->l_onoff); | |
2525 | __put_user(lg.l_linger, &tlg->l_linger); | |
2526 | unlock_user_struct(tlg, optval_addr, 1); | |
2527 | if (put_user_u32(len, optlen)) { | |
583359a6 AP |
2528 | return -TARGET_EFAULT; |
2529 | } | |
2530 | break; | |
2531 | } | |
f3b974cd JL |
2532 | /* Options with 'int' argument. */ |
2533 | case TARGET_SO_DEBUG: | |
2534 | optname = SO_DEBUG; | |
2535 | goto int_case; | |
2536 | case TARGET_SO_REUSEADDR: | |
2537 | optname = SO_REUSEADDR; | |
2538 | goto int_case; | |
113a9dd7 YS |
2539 | #ifdef SO_REUSEPORT |
2540 | case TARGET_SO_REUSEPORT: | |
2541 | optname = SO_REUSEPORT; | |
2542 | goto int_case; | |
2543 | #endif | |
f3b974cd JL |
2544 | case TARGET_SO_TYPE: |
2545 | optname = SO_TYPE; | |
2546 | goto int_case; | |
2547 | case TARGET_SO_ERROR: | |
2548 | optname = SO_ERROR; | |
2549 | goto int_case; | |
2550 | case TARGET_SO_DONTROUTE: | |
2551 | optname = SO_DONTROUTE; | |
2552 | goto int_case; | |
2553 | case TARGET_SO_BROADCAST: | |
2554 | optname = SO_BROADCAST; | |
2555 | goto int_case; | |
2556 | case TARGET_SO_SNDBUF: | |
2557 | optname = SO_SNDBUF; | |
2558 | goto int_case; | |
2559 | case TARGET_SO_RCVBUF: | |
2560 | optname = SO_RCVBUF; | |
2561 | goto int_case; | |
2562 | case TARGET_SO_KEEPALIVE: | |
2563 | optname = SO_KEEPALIVE; | |
2564 | goto int_case; | |
2565 | case TARGET_SO_OOBINLINE: | |
2566 | optname = SO_OOBINLINE; | |
2567 | goto int_case; | |
2568 | case TARGET_SO_NO_CHECK: | |
2569 | optname = SO_NO_CHECK; | |
2570 | goto int_case; | |
2571 | case TARGET_SO_PRIORITY: | |
2572 | optname = SO_PRIORITY; | |
2573 | goto int_case; | |
2574 | #ifdef SO_BSDCOMPAT | |
2575 | case TARGET_SO_BSDCOMPAT: | |
2576 | optname = SO_BSDCOMPAT; | |
2577 | goto int_case; | |
2578 | #endif | |
2579 | case TARGET_SO_PASSCRED: | |
2580 | optname = SO_PASSCRED; | |
2581 | goto int_case; | |
2582 | case TARGET_SO_TIMESTAMP: | |
2583 | optname = SO_TIMESTAMP; | |
2584 | goto int_case; | |
2585 | case TARGET_SO_RCVLOWAT: | |
2586 | optname = SO_RCVLOWAT; | |
2587 | goto int_case; | |
aec1ca41 PB |
2588 | case TARGET_SO_ACCEPTCONN: |
2589 | optname = SO_ACCEPTCONN; | |
2590 | goto int_case; | |
8853f86e | 2591 | default: |
2efbe911 FB |
2592 | goto int_case; |
2593 | } | |
2594 | break; | |
2595 | case SOL_TCP: | |
2596 | /* TCP options all take an 'int' value. */ | |
2597 | int_case: | |
2f619698 FB |
2598 | if (get_user_u32(len, optlen)) |
2599 | return -TARGET_EFAULT; | |
2efbe911 | 2600 | if (len < 0) |
0da46a6e | 2601 | return -TARGET_EINVAL; |
73160d95 | 2602 | lv = sizeof(lv); |
2efbe911 FB |
2603 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2604 | if (ret < 0) | |
2605 | return ret; | |
8289d112 PB |
2606 | if (optname == SO_TYPE) { |
2607 | val = host_to_target_sock_type(val); | |
2608 | } | |
2efbe911 FB |
2609 | if (len > lv) |
2610 | len = lv; | |
2f619698 FB |
2611 | if (len == 4) { |
2612 | if (put_user_u32(val, optval_addr)) | |
2613 | return -TARGET_EFAULT; | |
2614 | } else { | |
2615 | if (put_user_u8(val, optval_addr)) | |
2616 | return -TARGET_EFAULT; | |
f3b974cd | 2617 | } |
2f619698 FB |
2618 | if (put_user_u32(len, optlen)) |
2619 | return -TARGET_EFAULT; | |
2efbe911 FB |
2620 | break; |
2621 | case SOL_IP: | |
2622 | switch(optname) { | |
2623 | case IP_TOS: | |
2624 | case IP_TTL: | |
2625 | case IP_HDRINCL: | |
2626 | case IP_ROUTER_ALERT: | |
2627 | case IP_RECVOPTS: | |
2628 | case IP_RETOPTS: | |
2629 | case IP_PKTINFO: | |
2630 | case IP_MTU_DISCOVER: | |
2631 | case IP_RECVERR: | |
2632 | case IP_RECVTOS: | |
2633 | #ifdef IP_FREEBIND | |
2634 | case IP_FREEBIND: | |
2635 | #endif | |
2636 | case IP_MULTICAST_TTL: | |
2637 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
2638 | if (get_user_u32(len, optlen)) |
2639 | return -TARGET_EFAULT; | |
8853f86e | 2640 | if (len < 0) |
0da46a6e | 2641 | return -TARGET_EINVAL; |
73160d95 | 2642 | lv = sizeof(lv); |
8853f86e FB |
2643 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
2644 | if (ret < 0) | |
2645 | return ret; | |
2efbe911 | 2646 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 2647 | len = 1; |
2f619698 FB |
2648 | if (put_user_u32(len, optlen) |
2649 | || put_user_u8(val, optval_addr)) | |
2650 | return -TARGET_EFAULT; | |
2efbe911 | 2651 | } else { |
2efbe911 FB |
2652 | if (len > sizeof(int)) |
2653 | len = sizeof(int); | |
2f619698 FB |
2654 | if (put_user_u32(len, optlen) |
2655 | || put_user_u32(val, optval_addr)) | |
2656 | return -TARGET_EFAULT; | |
2efbe911 | 2657 | } |
8853f86e | 2658 | break; |
2efbe911 | 2659 | default: |
c02f499e TS |
2660 | ret = -TARGET_ENOPROTOOPT; |
2661 | break; | |
8853f86e FB |
2662 | } |
2663 | break; | |
bd8ed485 TD |
2664 | case SOL_IPV6: |
2665 | switch (optname) { | |
2666 | case IPV6_MTU_DISCOVER: | |
2667 | case IPV6_MTU: | |
2668 | case IPV6_V6ONLY: | |
2669 | case IPV6_RECVPKTINFO: | |
2670 | case IPV6_UNICAST_HOPS: | |
2671 | case IPV6_MULTICAST_HOPS: | |
2672 | case IPV6_MULTICAST_LOOP: | |
2673 | case IPV6_RECVERR: | |
2674 | case IPV6_RECVHOPLIMIT: | |
2675 | case IPV6_2292HOPLIMIT: | |
2676 | case IPV6_CHECKSUM: | |
b9cce6d7 HD |
2677 | case IPV6_ADDRFORM: |
2678 | case IPV6_2292PKTINFO: | |
2679 | case IPV6_RECVTCLASS: | |
2680 | case IPV6_RECVRTHDR: | |
2681 | case IPV6_2292RTHDR: | |
2682 | case IPV6_RECVHOPOPTS: | |
2683 | case IPV6_2292HOPOPTS: | |
2684 | case IPV6_RECVDSTOPTS: | |
2685 | case IPV6_2292DSTOPTS: | |
2686 | case IPV6_TCLASS: | |
2687 | #ifdef IPV6_RECVPATHMTU | |
2688 | case IPV6_RECVPATHMTU: | |
2689 | #endif | |
2690 | #ifdef IPV6_TRANSPARENT | |
2691 | case IPV6_TRANSPARENT: | |
2692 | #endif | |
2693 | #ifdef IPV6_FREEBIND | |
2694 | case IPV6_FREEBIND: | |
2695 | #endif | |
2696 | #ifdef IPV6_RECVORIGDSTADDR | |
2697 | case IPV6_RECVORIGDSTADDR: | |
2698 | #endif | |
bd8ed485 TD |
2699 | if (get_user_u32(len, optlen)) |
2700 | return -TARGET_EFAULT; | |
2701 | if (len < 0) | |
2702 | return -TARGET_EINVAL; | |
2703 | lv = sizeof(lv); | |
2704 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); | |
2705 | if (ret < 0) | |
2706 | return ret; | |
2707 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { | |
2708 | len = 1; | |
2709 | if (put_user_u32(len, optlen) | |
2710 | || put_user_u8(val, optval_addr)) | |
2711 | return -TARGET_EFAULT; | |
2712 | } else { | |
2713 | if (len > sizeof(int)) | |
2714 | len = sizeof(int); | |
2715 | if (put_user_u32(len, optlen) | |
2716 | || put_user_u32(val, optval_addr)) | |
2717 | return -TARGET_EFAULT; | |
2718 | } | |
2719 | break; | |
2720 | default: | |
2721 | ret = -TARGET_ENOPROTOOPT; | |
2722 | break; | |
2723 | } | |
2724 | break; | |
a2d86682 JK |
2725 | #ifdef SOL_NETLINK |
2726 | case SOL_NETLINK: | |
2727 | switch (optname) { | |
2728 | case NETLINK_PKTINFO: | |
2729 | case NETLINK_BROADCAST_ERROR: | |
2730 | case NETLINK_NO_ENOBUFS: | |
2731 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
2732 | case NETLINK_LISTEN_ALL_NSID: | |
2733 | case NETLINK_CAP_ACK: | |
2734 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ | |
2735 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) | |
2736 | case NETLINK_EXT_ACK: | |
2737 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2738 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0) | |
2739 | case NETLINK_GET_STRICT_CHK: | |
2740 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) */ | |
2741 | if (get_user_u32(len, optlen)) { | |
2742 | return -TARGET_EFAULT; | |
2743 | } | |
2744 | if (len != sizeof(val)) { | |
2745 | return -TARGET_EINVAL; | |
2746 | } | |
2747 | lv = len; | |
2748 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); | |
2749 | if (ret < 0) { | |
2750 | return ret; | |
2751 | } | |
2752 | if (put_user_u32(lv, optlen) | |
2753 | || put_user_u32(val, optval_addr)) { | |
2754 | return -TARGET_EFAULT; | |
2755 | } | |
2756 | break; | |
2757 | #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) | |
2758 | case NETLINK_LIST_MEMBERSHIPS: | |
2759 | { | |
2760 | uint32_t *results; | |
2761 | int i; | |
2762 | if (get_user_u32(len, optlen)) { | |
2763 | return -TARGET_EFAULT; | |
2764 | } | |
2765 | if (len < 0) { | |
2766 | return -TARGET_EINVAL; | |
2767 | } | |
2768 | results = lock_user(VERIFY_WRITE, optval_addr, len, 1); | |
2769 | if (!results) { | |
2770 | return -TARGET_EFAULT; | |
2771 | } | |
2772 | lv = len; | |
2773 | ret = get_errno(getsockopt(sockfd, level, optname, results, &lv)); | |
2774 | if (ret < 0) { | |
2775 | unlock_user(results, optval_addr, 0); | |
2776 | return ret; | |
2777 | } | |
2778 | /* swap host endianess to target endianess. */ | |
2779 | for (i = 0; i < (len / sizeof(uint32_t)); i++) { | |
2780 | results[i] = tswap32(results[i]); | |
2781 | } | |
2782 | if (put_user_u32(lv, optlen)) { | |
2783 | return -TARGET_EFAULT; | |
2784 | } | |
2785 | unlock_user(results, optval_addr, 0); | |
2786 | break; | |
2787 | } | |
2788 | #endif /* LINUX_VERSION_CODE >= KERNEL_VERSION(4, 2, 0) */ | |
2789 | default: | |
2790 | goto unimplemented; | |
2791 | } | |
c0cb8801 | 2792 | break; |
a2d86682 | 2793 | #endif /* SOL_NETLINK */ |
8853f86e FB |
2794 | default: |
2795 | unimplemented: | |
39be5350 JK |
2796 | qemu_log_mask(LOG_UNIMP, |
2797 | "getsockopt level=%d optname=%d not yet supported\n", | |
2798 | level, optname); | |
c02f499e | 2799 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
2800 | break; |
2801 | } | |
2802 | return ret; | |
7854b056 FB |
2803 | } |
2804 | ||
9ac22517 MF |
2805 | /* Convert target low/high pair representing file offset into the host |
2806 | * low/high pair. This function doesn't handle offsets bigger than 64 bits | |
2807 | * as the kernel doesn't handle them either. | |
2808 | */ | |
2809 | static void target_to_host_low_high(abi_ulong tlow, | |
2810 | abi_ulong thigh, | |
2811 | unsigned long *hlow, | |
2812 | unsigned long *hhigh) | |
2813 | { | |
2814 | uint64_t off = tlow | | |
2815 | ((unsigned long long)thigh << TARGET_LONG_BITS / 2) << | |
2816 | TARGET_LONG_BITS / 2; | |
2817 | ||
2818 | *hlow = off; | |
2819 | *hhigh = (off >> HOST_LONG_BITS / 2) >> HOST_LONG_BITS / 2; | |
2820 | } | |
2821 | ||
f287b2c2 | 2822 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
dab32b32 | 2823 | abi_ulong count, int copy) |
53a5960a PB |
2824 | { |
2825 | struct target_iovec *target_vec; | |
f287b2c2 RH |
2826 | struct iovec *vec; |
2827 | abi_ulong total_len, max_len; | |
d732dcb4 | 2828 | int i; |
501bb4b0 | 2829 | int err = 0; |
29560a6c | 2830 | bool bad_address = false; |
53a5960a | 2831 | |
f287b2c2 RH |
2832 | if (count == 0) { |
2833 | errno = 0; | |
2834 | return NULL; | |
2835 | } | |
dab32b32 | 2836 | if (count > IOV_MAX) { |
f287b2c2 RH |
2837 | errno = EINVAL; |
2838 | return NULL; | |
2839 | } | |
2840 | ||
0e173b24 | 2841 | vec = g_try_new0(struct iovec, count); |
f287b2c2 RH |
2842 | if (vec == NULL) { |
2843 | errno = ENOMEM; | |
2844 | return NULL; | |
2845 | } | |
2846 | ||
2847 | target_vec = lock_user(VERIFY_READ, target_addr, | |
2848 | count * sizeof(struct target_iovec), 1); | |
2849 | if (target_vec == NULL) { | |
501bb4b0 | 2850 | err = EFAULT; |
f287b2c2 RH |
2851 | goto fail2; |
2852 | } | |
2853 | ||
2854 | /* ??? If host page size > target page size, this will result in a | |
2855 | value larger than what we can actually support. */ | |
2856 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
2857 | total_len = 0; | |
2858 | ||
2859 | for (i = 0; i < count; i++) { | |
2860 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
2861 | abi_long len = tswapal(target_vec[i].iov_len); | |
2862 | ||
2863 | if (len < 0) { | |
501bb4b0 | 2864 | err = EINVAL; |
f287b2c2 RH |
2865 | goto fail; |
2866 | } else if (len == 0) { | |
2867 | /* Zero length pointer is ignored. */ | |
2868 | vec[i].iov_base = 0; | |
41df8411 | 2869 | } else { |
f287b2c2 | 2870 | vec[i].iov_base = lock_user(type, base, len, copy); |
29560a6c TM |
2871 | /* If the first buffer pointer is bad, this is a fault. But |
2872 | * subsequent bad buffers will result in a partial write; this | |
2873 | * is realized by filling the vector with null pointers and | |
2874 | * zero lengths. */ | |
f287b2c2 | 2875 | if (!vec[i].iov_base) { |
29560a6c TM |
2876 | if (i == 0) { |
2877 | err = EFAULT; | |
2878 | goto fail; | |
2879 | } else { | |
2880 | bad_address = true; | |
2881 | } | |
2882 | } | |
2883 | if (bad_address) { | |
2884 | len = 0; | |
f287b2c2 RH |
2885 | } |
2886 | if (len > max_len - total_len) { | |
2887 | len = max_len - total_len; | |
2888 | } | |
41df8411 | 2889 | } |
f287b2c2 RH |
2890 | vec[i].iov_len = len; |
2891 | total_len += len; | |
579a97f7 | 2892 | } |
f287b2c2 RH |
2893 | |
2894 | unlock_user(target_vec, target_addr, 0); | |
2895 | return vec; | |
2896 | ||
2897 | fail: | |
7eff518b CG |
2898 | while (--i >= 0) { |
2899 | if (tswapal(target_vec[i].iov_len) > 0) { | |
2900 | unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0); | |
2901 | } | |
2902 | } | |
f287b2c2 | 2903 | unlock_user(target_vec, target_addr, 0); |
501bb4b0 | 2904 | fail2: |
0e173b24 | 2905 | g_free(vec); |
501bb4b0 | 2906 | errno = err; |
f287b2c2 | 2907 | return NULL; |
53a5960a PB |
2908 | } |
2909 | ||
f287b2c2 | 2910 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
dab32b32 | 2911 | abi_ulong count, int copy) |
53a5960a PB |
2912 | { |
2913 | struct target_iovec *target_vec; | |
53a5960a PB |
2914 | int i; |
2915 | ||
f287b2c2 RH |
2916 | target_vec = lock_user(VERIFY_READ, target_addr, |
2917 | count * sizeof(struct target_iovec), 1); | |
2918 | if (target_vec) { | |
2919 | for (i = 0; i < count; i++) { | |
2920 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
71ec7cef | 2921 | abi_long len = tswapal(target_vec[i].iov_len); |
f287b2c2 RH |
2922 | if (len < 0) { |
2923 | break; | |
2924 | } | |
d732dcb4 AZ |
2925 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
2926 | } | |
f287b2c2 | 2927 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 2928 | } |
579a97f7 | 2929 | |
0e173b24 | 2930 | g_free(vec); |
53a5960a PB |
2931 | } |
2932 | ||
53d09b76 | 2933 | static inline int target_to_host_sock_type(int *type) |
3532fa74 | 2934 | { |
f651e6ae PJ |
2935 | int host_type = 0; |
2936 | int target_type = *type; | |
2937 | ||
2938 | switch (target_type & TARGET_SOCK_TYPE_MASK) { | |
3532fa74 | 2939 | case TARGET_SOCK_DGRAM: |
f651e6ae | 2940 | host_type = SOCK_DGRAM; |
3532fa74 FB |
2941 | break; |
2942 | case TARGET_SOCK_STREAM: | |
f651e6ae | 2943 | host_type = SOCK_STREAM; |
3532fa74 | 2944 | break; |
f651e6ae PJ |
2945 | default: |
2946 | host_type = target_type & TARGET_SOCK_TYPE_MASK; | |
3532fa74 FB |
2947 | break; |
2948 | } | |
f651e6ae | 2949 | if (target_type & TARGET_SOCK_CLOEXEC) { |
53d09b76 | 2950 | #if defined(SOCK_CLOEXEC) |
f651e6ae | 2951 | host_type |= SOCK_CLOEXEC; |
53d09b76 EI |
2952 | #else |
2953 | return -TARGET_EINVAL; | |
2954 | #endif | |
f651e6ae PJ |
2955 | } |
2956 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
53d09b76 | 2957 | #if defined(SOCK_NONBLOCK) |
f651e6ae | 2958 | host_type |= SOCK_NONBLOCK; |
53d09b76 EI |
2959 | #elif !defined(O_NONBLOCK) |
2960 | return -TARGET_EINVAL; | |
2961 | #endif | |
f651e6ae PJ |
2962 | } |
2963 | *type = host_type; | |
53d09b76 EI |
2964 | return 0; |
2965 | } | |
2966 | ||
2967 | /* Try to emulate socket type flags after socket creation. */ | |
2968 | static int sock_flags_fixup(int fd, int target_type) | |
2969 | { | |
2970 | #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK) | |
2971 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
2972 | int flags = fcntl(fd, F_GETFL); | |
2973 | if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) { | |
2974 | close(fd); | |
2975 | return -TARGET_EINVAL; | |
2976 | } | |
2977 | } | |
2978 | #endif | |
2979 | return fd; | |
f651e6ae PJ |
2980 | } |
2981 | ||
2982 | /* do_socket() Must return target values and target errnos. */ | |
2983 | static abi_long do_socket(int domain, int type, int protocol) | |
2984 | { | |
53d09b76 EI |
2985 | int target_type = type; |
2986 | int ret; | |
2987 | ||
2988 | ret = target_to_host_sock_type(&type); | |
2989 | if (ret) { | |
2990 | return ret; | |
2991 | } | |
f651e6ae | 2992 | |
575b22b1 LV |
2993 | if (domain == PF_NETLINK && !( |
2994 | #ifdef CONFIG_RTNETLINK | |
2995 | protocol == NETLINK_ROUTE || | |
2996 | #endif | |
2997 | protocol == NETLINK_KOBJECT_UEVENT || | |
2998 | protocol == NETLINK_AUDIT)) { | |
71e2443e | 2999 | return -TARGET_EPROTONOSUPPORT; |
6c5b5645 | 3000 | } |
ff626f2d LV |
3001 | |
3002 | if (domain == AF_PACKET || | |
3003 | (domain == AF_INET && type == SOCK_PACKET)) { | |
3004 | protocol = tswap16(protocol); | |
3005 | } | |
3006 | ||
53d09b76 EI |
3007 | ret = get_errno(socket(domain, type, protocol)); |
3008 | if (ret >= 0) { | |
3009 | ret = sock_flags_fixup(ret, target_type); | |
0cf22722 LV |
3010 | if (type == SOCK_PACKET) { |
3011 | /* Manage an obsolete case : | |
3012 | * if socket type is SOCK_PACKET, bind by name | |
3013 | */ | |
3014 | fd_trans_register(ret, &target_packet_trans); | |
6c5b5645 LV |
3015 | } else if (domain == PF_NETLINK) { |
3016 | switch (protocol) { | |
575b22b1 | 3017 | #ifdef CONFIG_RTNETLINK |
6c5b5645 LV |
3018 | case NETLINK_ROUTE: |
3019 | fd_trans_register(ret, &target_netlink_route_trans); | |
3020 | break; | |
575b22b1 | 3021 | #endif |
b265620b LV |
3022 | case NETLINK_KOBJECT_UEVENT: |
3023 | /* nothing to do: messages are strings */ | |
3024 | break; | |
5ce9bb59 LV |
3025 | case NETLINK_AUDIT: |
3026 | fd_trans_register(ret, &target_netlink_audit_trans); | |
3027 | break; | |
6c5b5645 LV |
3028 | default: |
3029 | g_assert_not_reached(); | |
3030 | } | |
0cf22722 | 3031 | } |
53d09b76 EI |
3032 | } |
3033 | return ret; | |
3532fa74 FB |
3034 | } |
3035 | ||
0da46a6e | 3036 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
3037 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
3038 | socklen_t addrlen) | |
3532fa74 | 3039 | { |
8f7aeaf6 | 3040 | void *addr; |
917507b0 | 3041 | abi_long ret; |
8f7aeaf6 | 3042 | |
38724253 | 3043 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3044 | return -TARGET_EINVAL; |
38724253 | 3045 | } |
8f7aeaf6 | 3046 | |
607175e0 | 3047 | addr = alloca(addrlen+1); |
3b46e624 | 3048 | |
7b36f782 | 3049 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
3050 | if (ret) |
3051 | return ret; | |
3052 | ||
3532fa74 FB |
3053 | return get_errno(bind(sockfd, addr, addrlen)); |
3054 | } | |
3055 | ||
0da46a6e | 3056 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
3057 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
3058 | socklen_t addrlen) | |
3532fa74 | 3059 | { |
8f7aeaf6 | 3060 | void *addr; |
917507b0 | 3061 | abi_long ret; |
8f7aeaf6 | 3062 | |
38724253 | 3063 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3064 | return -TARGET_EINVAL; |
38724253 | 3065 | } |
8f7aeaf6 | 3066 | |
2dd08dfd | 3067 | addr = alloca(addrlen+1); |
3b46e624 | 3068 | |
7b36f782 | 3069 | ret = target_to_host_sockaddr(sockfd, addr, target_addr, addrlen); |
917507b0 AP |
3070 | if (ret) |
3071 | return ret; | |
3072 | ||
2a3c7619 | 3073 | return get_errno(safe_connect(sockfd, addr, addrlen)); |
3532fa74 FB |
3074 | } |
3075 | ||
f19e00d7 AG |
3076 | /* do_sendrecvmsg_locked() Must return target values and target errnos. */ |
3077 | static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, | |
3078 | int flags, int send) | |
3532fa74 | 3079 | { |
6de645c7 | 3080 | abi_long ret, len; |
3532fa74 | 3081 | struct msghdr msg; |
dab32b32 | 3082 | abi_ulong count; |
3532fa74 | 3083 | struct iovec *vec; |
992f48a0 | 3084 | abi_ulong target_vec; |
3532fa74 | 3085 | |
3532fa74 FB |
3086 | if (msgp->msg_name) { |
3087 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
2dd08dfd | 3088 | msg.msg_name = alloca(msg.msg_namelen+1); |
7b36f782 LV |
3089 | ret = target_to_host_sockaddr(fd, msg.msg_name, |
3090 | tswapal(msgp->msg_name), | |
3091 | msg.msg_namelen); | |
26a6fc96 PM |
3092 | if (ret == -TARGET_EFAULT) { |
3093 | /* For connected sockets msg_name and msg_namelen must | |
3094 | * be ignored, so returning EFAULT immediately is wrong. | |
3095 | * Instead, pass a bad msg_name to the host kernel, and | |
3096 | * let it decide whether to return EFAULT or not. | |
3097 | */ | |
3098 | msg.msg_name = (void *)-1; | |
3099 | } else if (ret) { | |
f287b2c2 | 3100 | goto out2; |
917507b0 | 3101 | } |
3532fa74 FB |
3102 | } else { |
3103 | msg.msg_name = NULL; | |
3104 | msg.msg_namelen = 0; | |
3105 | } | |
cbb21eed | 3106 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 | 3107 | msg.msg_control = alloca(msg.msg_controllen); |
1d3d1b23 JS |
3108 | memset(msg.msg_control, 0, msg.msg_controllen); |
3109 | ||
3532fa74 | 3110 | msg.msg_flags = tswap32(msgp->msg_flags); |
3b46e624 | 3111 | |
cbb21eed | 3112 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 3113 | target_vec = tswapal(msgp->msg_iov); |
97b07970 PM |
3114 | |
3115 | if (count > IOV_MAX) { | |
3116 | /* sendrcvmsg returns a different errno for this condition than | |
3117 | * readv/writev, so we must catch it here before lock_iovec() does. | |
3118 | */ | |
3119 | ret = -TARGET_EMSGSIZE; | |
3120 | goto out2; | |
3121 | } | |
3122 | ||
f287b2c2 RH |
3123 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
3124 | target_vec, count, send); | |
3125 | if (vec == NULL) { | |
3126 | ret = -host_to_target_errno(errno); | |
3127 | goto out2; | |
3128 | } | |
3532fa74 FB |
3129 | msg.msg_iovlen = count; |
3130 | msg.msg_iov = vec; | |
3b46e624 | 3131 | |
3532fa74 | 3132 | if (send) { |
6c5b5645 | 3133 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
3134 | void *host_msg; |
3135 | ||
3136 | host_msg = g_malloc(msg.msg_iov->iov_len); | |
3137 | memcpy(host_msg, msg.msg_iov->iov_base, msg.msg_iov->iov_len); | |
3138 | ret = fd_trans_target_to_host_data(fd)(host_msg, | |
6c5b5645 | 3139 | msg.msg_iov->iov_len); |
7d61d892 LV |
3140 | if (ret >= 0) { |
3141 | msg.msg_iov->iov_base = host_msg; | |
3142 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
3143 | } | |
3144 | g_free(host_msg); | |
6c5b5645 LV |
3145 | } else { |
3146 | ret = target_to_host_cmsg(&msg, msgp); | |
7d61d892 LV |
3147 | if (ret == 0) { |
3148 | ret = get_errno(safe_sendmsg(fd, &msg, flags)); | |
3149 | } | |
6c5b5645 | 3150 | } |
3532fa74 | 3151 | } else { |
66687530 | 3152 | ret = get_errno(safe_recvmsg(fd, &msg, flags)); |
6de645c7 AZ |
3153 | if (!is_error(ret)) { |
3154 | len = ret; | |
6c5b5645 LV |
3155 | if (fd_trans_host_to_target_data(fd)) { |
3156 | ret = fd_trans_host_to_target_data(fd)(msg.msg_iov->iov_base, | |
2a03d3e6 | 3157 | MIN(msg.msg_iov->iov_len, len)); |
6c5b5645 LV |
3158 | } else { |
3159 | ret = host_to_target_cmsg(msgp, &msg); | |
3160 | } | |
ca619067 JH |
3161 | if (!is_error(ret)) { |
3162 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
24894f39 | 3163 | msgp->msg_flags = tswap32(msg.msg_flags); |
26a6fc96 | 3164 | if (msg.msg_name != NULL && msg.msg_name != (void *)-1) { |
ca619067 JH |
3165 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), |
3166 | msg.msg_name, msg.msg_namelen); | |
3167 | if (ret) { | |
3168 | goto out; | |
3169 | } | |
3170 | } | |
3171 | ||
6de645c7 | 3172 | ret = len; |
ca619067 | 3173 | } |
6de645c7 | 3174 | } |
3532fa74 | 3175 | } |
ca619067 JH |
3176 | |
3177 | out: | |
3532fa74 | 3178 | unlock_iovec(vec, target_vec, count, !send); |
f287b2c2 | 3179 | out2: |
f19e00d7 AG |
3180 | return ret; |
3181 | } | |
3182 | ||
3183 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, | |
3184 | int flags, int send) | |
3185 | { | |
3186 | abi_long ret; | |
3187 | struct target_msghdr *msgp; | |
3188 | ||
3189 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
3190 | msgp, | |
3191 | target_msg, | |
3192 | send ? 1 : 0)) { | |
3193 | return -TARGET_EFAULT; | |
3194 | } | |
3195 | ret = do_sendrecvmsg_locked(fd, msgp, flags, send); | |
579a97f7 | 3196 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
3197 | return ret; |
3198 | } | |
3199 | ||
f19e00d7 AG |
3200 | /* We don't rely on the C library to have sendmmsg/recvmmsg support, |
3201 | * so it might not have this *mmsg-specific flag either. | |
3202 | */ | |
3203 | #ifndef MSG_WAITFORONE | |
3204 | #define MSG_WAITFORONE 0x10000 | |
3205 | #endif | |
3206 | ||
3207 | static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec, | |
3208 | unsigned int vlen, unsigned int flags, | |
3209 | int send) | |
3210 | { | |
3211 | struct target_mmsghdr *mmsgp; | |
3212 | abi_long ret = 0; | |
3213 | int i; | |
3214 | ||
3215 | if (vlen > UIO_MAXIOV) { | |
3216 | vlen = UIO_MAXIOV; | |
3217 | } | |
3218 | ||
3219 | mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1); | |
3220 | if (!mmsgp) { | |
3221 | return -TARGET_EFAULT; | |
3222 | } | |
3223 | ||
3224 | for (i = 0; i < vlen; i++) { | |
3225 | ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send); | |
3226 | if (is_error(ret)) { | |
3227 | break; | |
3228 | } | |
3229 | mmsgp[i].msg_len = tswap32(ret); | |
3230 | /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */ | |
3231 | if (flags & MSG_WAITFORONE) { | |
3232 | flags |= MSG_DONTWAIT; | |
3233 | } | |
3234 | } | |
3235 | ||
3236 | unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i); | |
3237 | ||
3238 | /* Return number of datagrams sent if we sent any at all; | |
3239 | * otherwise return the error. | |
3240 | */ | |
3241 | if (i) { | |
3242 | return i; | |
3243 | } | |
3244 | return ret; | |
3245 | } | |
f19e00d7 | 3246 | |
a94b4987 PM |
3247 | /* do_accept4() Must return target values and target errnos. */ |
3248 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
3249 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 3250 | { |
cd813367 | 3251 | socklen_t addrlen, ret_addrlen; |
2f619698 | 3252 | void *addr; |
992f48a0 | 3253 | abi_long ret; |
d25295d4 PJ |
3254 | int host_flags; |
3255 | ||
3256 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
1be9e1dc | 3257 | |
a94b4987 | 3258 | if (target_addr == 0) { |
ff6dc130 | 3259 | return get_errno(safe_accept4(fd, NULL, NULL, host_flags)); |
a94b4987 | 3260 | } |
917507b0 AP |
3261 | |
3262 | /* linux returns EINVAL if addrlen pointer is invalid */ | |
2f619698 | 3263 | if (get_user_u32(addrlen, target_addrlen_addr)) |
917507b0 | 3264 | return -TARGET_EINVAL; |
2f619698 | 3265 | |
38724253 | 3266 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3267 | return -TARGET_EINVAL; |
38724253 | 3268 | } |
8f7aeaf6 | 3269 | |
917507b0 AP |
3270 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
3271 | return -TARGET_EINVAL; | |
3272 | ||
2f619698 FB |
3273 | addr = alloca(addrlen); |
3274 | ||
cd813367 AS |
3275 | ret_addrlen = addrlen; |
3276 | ret = get_errno(safe_accept4(fd, addr, &ret_addrlen, host_flags)); | |
1be9e1dc | 3277 | if (!is_error(ret)) { |
cd813367 AS |
3278 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3279 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3280 | ret = -TARGET_EFAULT; |
cd813367 | 3281 | } |
1be9e1dc PB |
3282 | } |
3283 | return ret; | |
3284 | } | |
3285 | ||
0da46a6e | 3286 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 3287 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 3288 | abi_ulong target_addrlen_addr) |
1be9e1dc | 3289 | { |
cd813367 | 3290 | socklen_t addrlen, ret_addrlen; |
2f619698 | 3291 | void *addr; |
992f48a0 | 3292 | abi_long ret; |
1be9e1dc | 3293 | |
2f619698 FB |
3294 | if (get_user_u32(addrlen, target_addrlen_addr)) |
3295 | return -TARGET_EFAULT; | |
3296 | ||
38724253 | 3297 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3298 | return -TARGET_EINVAL; |
38724253 | 3299 | } |
8f7aeaf6 | 3300 | |
917507b0 AP |
3301 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
3302 | return -TARGET_EFAULT; | |
3303 | ||
2f619698 FB |
3304 | addr = alloca(addrlen); |
3305 | ||
cd813367 AS |
3306 | ret_addrlen = addrlen; |
3307 | ret = get_errno(getpeername(fd, addr, &ret_addrlen)); | |
1be9e1dc | 3308 | if (!is_error(ret)) { |
cd813367 AS |
3309 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3310 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3311 | ret = -TARGET_EFAULT; |
cd813367 | 3312 | } |
1be9e1dc PB |
3313 | } |
3314 | return ret; | |
3315 | } | |
3316 | ||
0da46a6e | 3317 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 3318 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 3319 | abi_ulong target_addrlen_addr) |
1be9e1dc | 3320 | { |
cd813367 | 3321 | socklen_t addrlen, ret_addrlen; |
2f619698 | 3322 | void *addr; |
992f48a0 | 3323 | abi_long ret; |
1be9e1dc | 3324 | |
2f619698 FB |
3325 | if (get_user_u32(addrlen, target_addrlen_addr)) |
3326 | return -TARGET_EFAULT; | |
3327 | ||
38724253 | 3328 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3329 | return -TARGET_EINVAL; |
38724253 | 3330 | } |
8f7aeaf6 | 3331 | |
917507b0 AP |
3332 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
3333 | return -TARGET_EFAULT; | |
3334 | ||
2f619698 FB |
3335 | addr = alloca(addrlen); |
3336 | ||
cd813367 AS |
3337 | ret_addrlen = addrlen; |
3338 | ret = get_errno(getsockname(fd, addr, &ret_addrlen)); | |
1be9e1dc | 3339 | if (!is_error(ret)) { |
cd813367 AS |
3340 | host_to_target_sockaddr(target_addr, addr, MIN(addrlen, ret_addrlen)); |
3341 | if (put_user_u32(ret_addrlen, target_addrlen_addr)) { | |
2f619698 | 3342 | ret = -TARGET_EFAULT; |
cd813367 | 3343 | } |
1be9e1dc PB |
3344 | } |
3345 | return ret; | |
3346 | } | |
3347 | ||
0da46a6e | 3348 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 3349 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 3350 | abi_ulong target_tab_addr) |
1be9e1dc PB |
3351 | { |
3352 | int tab[2]; | |
992f48a0 | 3353 | abi_long ret; |
1be9e1dc | 3354 | |
f651e6ae PJ |
3355 | target_to_host_sock_type(&type); |
3356 | ||
1be9e1dc PB |
3357 | ret = get_errno(socketpair(domain, type, protocol, tab)); |
3358 | if (!is_error(ret)) { | |
2f619698 FB |
3359 | if (put_user_s32(tab[0], target_tab_addr) |
3360 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
3361 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
3362 | } |
3363 | return ret; | |
3364 | } | |
3365 | ||
0da46a6e | 3366 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
3367 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
3368 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
3369 | { |
3370 | void *addr; | |
3371 | void *host_msg; | |
7d61d892 | 3372 | void *copy_msg = NULL; |
992f48a0 | 3373 | abi_long ret; |
1be9e1dc | 3374 | |
38724253 | 3375 | if ((int)addrlen < 0) { |
8f7aeaf6 | 3376 | return -TARGET_EINVAL; |
38724253 | 3377 | } |
8f7aeaf6 | 3378 | |
579a97f7 FB |
3379 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
3380 | if (!host_msg) | |
3381 | return -TARGET_EFAULT; | |
6c5b5645 | 3382 | if (fd_trans_target_to_host_data(fd)) { |
7d61d892 LV |
3383 | copy_msg = host_msg; |
3384 | host_msg = g_malloc(len); | |
3385 | memcpy(host_msg, copy_msg, len); | |
6c5b5645 LV |
3386 | ret = fd_trans_target_to_host_data(fd)(host_msg, len); |
3387 | if (ret < 0) { | |
7d61d892 | 3388 | goto fail; |
6c5b5645 LV |
3389 | } |
3390 | } | |
1be9e1dc | 3391 | if (target_addr) { |
2dd08dfd | 3392 | addr = alloca(addrlen+1); |
7b36f782 | 3393 | ret = target_to_host_sockaddr(fd, addr, target_addr, addrlen); |
917507b0 | 3394 | if (ret) { |
7d61d892 | 3395 | goto fail; |
917507b0 | 3396 | } |
66687530 | 3397 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, addr, addrlen)); |
1be9e1dc | 3398 | } else { |
66687530 | 3399 | ret = get_errno(safe_sendto(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc | 3400 | } |
7d61d892 LV |
3401 | fail: |
3402 | if (copy_msg) { | |
3403 | g_free(host_msg); | |
3404 | host_msg = copy_msg; | |
3405 | } | |
1be9e1dc PB |
3406 | unlock_user(host_msg, msg, 0); |
3407 | return ret; | |
3408 | } | |
3409 | ||
0da46a6e | 3410 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
3411 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
3412 | abi_ulong target_addr, | |
3413 | abi_ulong target_addrlen) | |
1be9e1dc | 3414 | { |
cd813367 | 3415 | socklen_t addrlen, ret_addrlen; |
1be9e1dc PB |
3416 | void *addr; |
3417 | void *host_msg; | |
992f48a0 | 3418 | abi_long ret; |
1be9e1dc | 3419 | |
579a97f7 FB |
3420 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); |
3421 | if (!host_msg) | |
3422 | return -TARGET_EFAULT; | |
1be9e1dc | 3423 | if (target_addr) { |
2f619698 FB |
3424 | if (get_user_u32(addrlen, target_addrlen)) { |
3425 | ret = -TARGET_EFAULT; | |
3426 | goto fail; | |
3427 | } | |
38724253 | 3428 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
3429 | ret = -TARGET_EINVAL; |
3430 | goto fail; | |
3431 | } | |
1be9e1dc | 3432 | addr = alloca(addrlen); |
cd813367 | 3433 | ret_addrlen = addrlen; |
66687530 | 3434 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, |
cd813367 | 3435 | addr, &ret_addrlen)); |
1be9e1dc PB |
3436 | } else { |
3437 | addr = NULL; /* To keep compiler quiet. */ | |
cd813367 | 3438 | addrlen = 0; /* To keep compiler quiet. */ |
66687530 | 3439 | ret = get_errno(safe_recvfrom(fd, host_msg, len, flags, NULL, 0)); |
1be9e1dc PB |
3440 | } |
3441 | if (!is_error(ret)) { | |
c35e1f9c | 3442 | if (fd_trans_host_to_target_data(fd)) { |
2a03d3e6 LV |
3443 | abi_long trans; |
3444 | trans = fd_trans_host_to_target_data(fd)(host_msg, MIN(ret, len)); | |
3445 | if (is_error(trans)) { | |
3446 | ret = trans; | |
3447 | goto fail; | |
3448 | } | |
c35e1f9c | 3449 | } |
1be9e1dc | 3450 | if (target_addr) { |
cd813367 AS |
3451 | host_to_target_sockaddr(target_addr, addr, |
3452 | MIN(addrlen, ret_addrlen)); | |
3453 | if (put_user_u32(ret_addrlen, target_addrlen)) { | |
2f619698 FB |
3454 | ret = -TARGET_EFAULT; |
3455 | goto fail; | |
3456 | } | |
1be9e1dc PB |
3457 | } |
3458 | unlock_user(host_msg, msg, len); | |
3459 | } else { | |
2f619698 | 3460 | fail: |
1be9e1dc PB |
3461 | unlock_user(host_msg, msg, 0); |
3462 | } | |
3463 | return ret; | |
3464 | } | |
3465 | ||
32407103 | 3466 | #ifdef TARGET_NR_socketcall |
ff71a454 | 3467 | /* do_socketcall() must return target values and target errnos. */ |
992f48a0 | 3468 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 3469 | { |
ff71a454 AM |
3470 | static const unsigned nargs[] = { /* number of arguments per operation */ |
3471 | [TARGET_SYS_SOCKET] = 3, /* domain, type, protocol */ | |
3472 | [TARGET_SYS_BIND] = 3, /* fd, addr, addrlen */ | |
3473 | [TARGET_SYS_CONNECT] = 3, /* fd, addr, addrlen */ | |
3474 | [TARGET_SYS_LISTEN] = 2, /* fd, backlog */ | |
3475 | [TARGET_SYS_ACCEPT] = 3, /* fd, addr, addrlen */ | |
3476 | [TARGET_SYS_GETSOCKNAME] = 3, /* fd, addr, addrlen */ | |
3477 | [TARGET_SYS_GETPEERNAME] = 3, /* fd, addr, addrlen */ | |
3478 | [TARGET_SYS_SOCKETPAIR] = 4, /* domain, type, protocol, tab */ | |
3479 | [TARGET_SYS_SEND] = 4, /* fd, msg, len, flags */ | |
3480 | [TARGET_SYS_RECV] = 4, /* fd, msg, len, flags */ | |
3481 | [TARGET_SYS_SENDTO] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3482 | [TARGET_SYS_RECVFROM] = 6, /* fd, msg, len, flags, addr, addrlen */ | |
3483 | [TARGET_SYS_SHUTDOWN] = 2, /* fd, how */ | |
3484 | [TARGET_SYS_SETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3485 | [TARGET_SYS_GETSOCKOPT] = 5, /* fd, level, optname, optval, optlen */ | |
3486 | [TARGET_SYS_SENDMSG] = 3, /* fd, msg, flags */ | |
3487 | [TARGET_SYS_RECVMSG] = 3, /* fd, msg, flags */ | |
3488 | [TARGET_SYS_ACCEPT4] = 4, /* fd, addr, addrlen, flags */ | |
3489 | [TARGET_SYS_RECVMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
3490 | [TARGET_SYS_SENDMMSG] = 4, /* fd, msgvec, vlen, flags */ | |
62dc90c6 MT |
3491 | }; |
3492 | abi_long a[6]; /* max 6 args */ | |
ff71a454 | 3493 | unsigned i; |
62dc90c6 | 3494 | |
ff71a454 AM |
3495 | /* check the range of the first argument num */ |
3496 | /* (TARGET_SYS_SENDMMSG is the highest among TARGET_SYS_xxx) */ | |
3497 | if (num < 1 || num > TARGET_SYS_SENDMMSG) { | |
3498 | return -TARGET_EINVAL; | |
3499 | } | |
3500 | /* ensure we have space for args */ | |
3501 | if (nargs[num] > ARRAY_SIZE(a)) { | |
3502 | return -TARGET_EINVAL; | |
3503 | } | |
3504 | /* collect the arguments in a[] according to nargs[] */ | |
3505 | for (i = 0; i < nargs[num]; ++i) { | |
3506 | if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) { | |
3507 | return -TARGET_EFAULT; | |
31e31b8a | 3508 | } |
62dc90c6 | 3509 | } |
ff71a454 | 3510 | /* now when we have the args, invoke the appropriate underlying function */ |
62dc90c6 | 3511 | switch (num) { |
ff71a454 | 3512 | case TARGET_SYS_SOCKET: /* domain, type, protocol */ |
62dc90c6 | 3513 | return do_socket(a[0], a[1], a[2]); |
ff71a454 | 3514 | case TARGET_SYS_BIND: /* sockfd, addr, addrlen */ |
62dc90c6 | 3515 | return do_bind(a[0], a[1], a[2]); |
ff71a454 | 3516 | case TARGET_SYS_CONNECT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3517 | return do_connect(a[0], a[1], a[2]); |
ff71a454 | 3518 | case TARGET_SYS_LISTEN: /* sockfd, backlog */ |
62dc90c6 | 3519 | return get_errno(listen(a[0], a[1])); |
ff71a454 | 3520 | case TARGET_SYS_ACCEPT: /* sockfd, addr, addrlen */ |
62dc90c6 | 3521 | return do_accept4(a[0], a[1], a[2], 0); |
ff71a454 | 3522 | case TARGET_SYS_GETSOCKNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3523 | return do_getsockname(a[0], a[1], a[2]); |
ff71a454 | 3524 | case TARGET_SYS_GETPEERNAME: /* sockfd, addr, addrlen */ |
62dc90c6 | 3525 | return do_getpeername(a[0], a[1], a[2]); |
ff71a454 | 3526 | case TARGET_SYS_SOCKETPAIR: /* domain, type, protocol, tab */ |
62dc90c6 | 3527 | return do_socketpair(a[0], a[1], a[2], a[3]); |
ff71a454 | 3528 | case TARGET_SYS_SEND: /* sockfd, msg, len, flags */ |
62dc90c6 | 3529 | return do_sendto(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3530 | case TARGET_SYS_RECV: /* sockfd, msg, len, flags */ |
62dc90c6 | 3531 | return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0); |
ff71a454 | 3532 | case TARGET_SYS_SENDTO: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3533 | return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3534 | case TARGET_SYS_RECVFROM: /* sockfd, msg, len, flags, addr, addrlen */ |
62dc90c6 | 3535 | return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]); |
ff71a454 | 3536 | case TARGET_SYS_SHUTDOWN: /* sockfd, how */ |
62dc90c6 | 3537 | return get_errno(shutdown(a[0], a[1])); |
ff71a454 AM |
3538 | case TARGET_SYS_SETSOCKOPT: /* sockfd, level, optname, optval, optlen */ |
3539 | return do_setsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3540 | case TARGET_SYS_GETSOCKOPT: /* sockfd, level, optname, optval, optlen */ | |
3541 | return do_getsockopt(a[0], a[1], a[2], a[3], a[4]); | |
3542 | case TARGET_SYS_SENDMSG: /* sockfd, msg, flags */ | |
62dc90c6 | 3543 | return do_sendrecvmsg(a[0], a[1], a[2], 1); |
ff71a454 | 3544 | case TARGET_SYS_RECVMSG: /* sockfd, msg, flags */ |
62dc90c6 | 3545 | return do_sendrecvmsg(a[0], a[1], a[2], 0); |
ff71a454 AM |
3546 | case TARGET_SYS_ACCEPT4: /* sockfd, addr, addrlen, flags */ |
3547 | return do_accept4(a[0], a[1], a[2], a[3]); | |
3548 | case TARGET_SYS_RECVMMSG: /* sockfd, msgvec, vlen, flags */ | |
5a53dc50 | 3549 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 0); |
ff71a454 AM |
3550 | case TARGET_SYS_SENDMMSG: /* sockfd, msgvec, vlen, flags */ |
3551 | return do_sendrecvmmsg(a[0], a[1], a[2], a[3], 1); | |
31e31b8a | 3552 | default: |
39be5350 | 3553 | qemu_log_mask(LOG_UNIMP, "Unsupported socketcall: %d\n", num); |
ff71a454 | 3554 | return -TARGET_EINVAL; |
31e31b8a | 3555 | } |
31e31b8a | 3556 | } |
32407103 | 3557 | #endif |
31e31b8a | 3558 | |
8853f86e FB |
3559 | #define N_SHM_REGIONS 32 |
3560 | ||
3561 | static struct shm_region { | |
b6e17875 PM |
3562 | abi_ulong start; |
3563 | abi_ulong size; | |
3564 | bool in_use; | |
8853f86e FB |
3565 | } shm_regions[N_SHM_REGIONS]; |
3566 | ||
005eb2ae PM |
3567 | #ifndef TARGET_SEMID64_DS |
3568 | /* asm-generic version of this struct */ | |
3569 | struct target_semid64_ds | |
3eb6b044 TS |
3570 | { |
3571 | struct target_ipc_perm sem_perm; | |
992f48a0 | 3572 | abi_ulong sem_otime; |
005eb2ae | 3573 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3574 | abi_ulong __unused1; |
03527344 | 3575 | #endif |
992f48a0 | 3576 | abi_ulong sem_ctime; |
005eb2ae | 3577 | #if TARGET_ABI_BITS == 32 |
992f48a0 | 3578 | abi_ulong __unused2; |
03527344 | 3579 | #endif |
992f48a0 BS |
3580 | abi_ulong sem_nsems; |
3581 | abi_ulong __unused3; | |
3582 | abi_ulong __unused4; | |
3eb6b044 | 3583 | }; |
005eb2ae | 3584 | #endif |
3eb6b044 | 3585 | |
579a97f7 FB |
3586 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
3587 | abi_ulong target_addr) | |
3eb6b044 TS |
3588 | { |
3589 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3590 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3591 | |
579a97f7 FB |
3592 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3593 | return -TARGET_EFAULT; | |
e8bbe36c | 3594 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3595 | host_ip->__key = tswap32(target_ip->__key); |
3596 | host_ip->uid = tswap32(target_ip->uid); | |
3597 | host_ip->gid = tswap32(target_ip->gid); | |
3598 | host_ip->cuid = tswap32(target_ip->cuid); | |
3599 | host_ip->cgid = tswap32(target_ip->cgid); | |
3600 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3601 | host_ip->mode = tswap32(target_ip->mode); | |
3602 | #else | |
cbb21eed | 3603 | host_ip->mode = tswap16(target_ip->mode); |
55a2b163 PJ |
3604 | #endif |
3605 | #if defined(TARGET_PPC) | |
3606 | host_ip->__seq = tswap32(target_ip->__seq); | |
3607 | #else | |
3608 | host_ip->__seq = tswap16(target_ip->__seq); | |
3609 | #endif | |
3eb6b044 | 3610 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3611 | return 0; |
3eb6b044 TS |
3612 | } |
3613 | ||
579a97f7 FB |
3614 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
3615 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
3616 | { |
3617 | struct target_ipc_perm *target_ip; | |
005eb2ae | 3618 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3619 | |
579a97f7 FB |
3620 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3621 | return -TARGET_EFAULT; | |
3eb6b044 | 3622 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
3623 | target_ip->__key = tswap32(host_ip->__key); |
3624 | target_ip->uid = tswap32(host_ip->uid); | |
3625 | target_ip->gid = tswap32(host_ip->gid); | |
3626 | target_ip->cuid = tswap32(host_ip->cuid); | |
3627 | target_ip->cgid = tswap32(host_ip->cgid); | |
3628 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
3629 | target_ip->mode = tswap32(host_ip->mode); | |
3630 | #else | |
cbb21eed | 3631 | target_ip->mode = tswap16(host_ip->mode); |
55a2b163 PJ |
3632 | #endif |
3633 | #if defined(TARGET_PPC) | |
3634 | target_ip->__seq = tswap32(host_ip->__seq); | |
3635 | #else | |
3636 | target_ip->__seq = tswap16(host_ip->__seq); | |
3637 | #endif | |
3eb6b044 | 3638 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3639 | return 0; |
3eb6b044 TS |
3640 | } |
3641 | ||
579a97f7 FB |
3642 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
3643 | abi_ulong target_addr) | |
3eb6b044 | 3644 | { |
005eb2ae | 3645 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3646 | |
579a97f7 FB |
3647 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
3648 | return -TARGET_EFAULT; | |
e5289087 AJ |
3649 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
3650 | return -TARGET_EFAULT; | |
cbb21eed MB |
3651 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
3652 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
3653 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 3654 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 3655 | return 0; |
3eb6b044 TS |
3656 | } |
3657 | ||
579a97f7 FB |
3658 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
3659 | struct semid_ds *host_sd) | |
3eb6b044 | 3660 | { |
005eb2ae | 3661 | struct target_semid64_ds *target_sd; |
3eb6b044 | 3662 | |
579a97f7 FB |
3663 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
3664 | return -TARGET_EFAULT; | |
e5289087 | 3665 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 3666 | return -TARGET_EFAULT; |
cbb21eed MB |
3667 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
3668 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
3669 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 3670 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 3671 | return 0; |
3eb6b044 TS |
3672 | } |
3673 | ||
e5289087 AJ |
3674 | struct target_seminfo { |
3675 | int semmap; | |
3676 | int semmni; | |
3677 | int semmns; | |
3678 | int semmnu; | |
3679 | int semmsl; | |
3680 | int semopm; | |
3681 | int semume; | |
3682 | int semusz; | |
3683 | int semvmx; | |
3684 | int semaem; | |
3685 | }; | |
3686 | ||
3687 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
3688 | struct seminfo *host_seminfo) | |
3689 | { | |
3690 | struct target_seminfo *target_seminfo; | |
3691 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
3692 | return -TARGET_EFAULT; | |
3693 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
3694 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
3695 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
3696 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
3697 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
3698 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
3699 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
3700 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
3701 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
3702 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
3703 | unlock_user_struct(target_seminfo, target_addr, 1); | |
3704 | return 0; | |
3705 | } | |
3706 | ||
fa294816 TS |
3707 | union semun { |
3708 | int val; | |
3eb6b044 | 3709 | struct semid_ds *buf; |
fa294816 | 3710 | unsigned short *array; |
e5289087 | 3711 | struct seminfo *__buf; |
fa294816 TS |
3712 | }; |
3713 | ||
3eb6b044 TS |
3714 | union target_semun { |
3715 | int val; | |
e5289087 AJ |
3716 | abi_ulong buf; |
3717 | abi_ulong array; | |
3718 | abi_ulong __buf; | |
3eb6b044 TS |
3719 | }; |
3720 | ||
e5289087 AJ |
3721 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
3722 | abi_ulong target_addr) | |
3eb6b044 | 3723 | { |
e5289087 AJ |
3724 | int nsems; |
3725 | unsigned short *array; | |
3726 | union semun semun; | |
3727 | struct semid_ds semid_ds; | |
3728 | int i, ret; | |
3eb6b044 | 3729 | |
e5289087 AJ |
3730 | semun.buf = &semid_ds; |
3731 | ||
3732 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3733 | if (ret == -1) | |
3734 | return get_errno(ret); | |
3735 | ||
3736 | nsems = semid_ds.sem_nsems; | |
3737 | ||
0e173b24 | 3738 | *host_array = g_try_new(unsigned short, nsems); |
69d4c703 PM |
3739 | if (!*host_array) { |
3740 | return -TARGET_ENOMEM; | |
3741 | } | |
e5289087 AJ |
3742 | array = lock_user(VERIFY_READ, target_addr, |
3743 | nsems*sizeof(unsigned short), 1); | |
69d4c703 | 3744 | if (!array) { |
0e173b24 | 3745 | g_free(*host_array); |
e5289087 | 3746 | return -TARGET_EFAULT; |
69d4c703 | 3747 | } |
e5289087 AJ |
3748 | |
3749 | for(i=0; i<nsems; i++) { | |
3750 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3751 | } |
e5289087 AJ |
3752 | unlock_user(array, target_addr, 0); |
3753 | ||
579a97f7 | 3754 | return 0; |
3eb6b044 TS |
3755 | } |
3756 | ||
e5289087 AJ |
3757 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
3758 | unsigned short **host_array) | |
3eb6b044 | 3759 | { |
e5289087 AJ |
3760 | int nsems; |
3761 | unsigned short *array; | |
3762 | union semun semun; | |
3763 | struct semid_ds semid_ds; | |
3764 | int i, ret; | |
3eb6b044 | 3765 | |
e5289087 AJ |
3766 | semun.buf = &semid_ds; |
3767 | ||
3768 | ret = semctl(semid, 0, IPC_STAT, semun); | |
3769 | if (ret == -1) | |
3770 | return get_errno(ret); | |
3771 | ||
3772 | nsems = semid_ds.sem_nsems; | |
3773 | ||
3774 | array = lock_user(VERIFY_WRITE, target_addr, | |
3775 | nsems*sizeof(unsigned short), 0); | |
3776 | if (!array) | |
3777 | return -TARGET_EFAULT; | |
3778 | ||
3779 | for(i=0; i<nsems; i++) { | |
3780 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 3781 | } |
0e173b24 | 3782 | g_free(*host_array); |
e5289087 AJ |
3783 | unlock_user(array, target_addr, 1); |
3784 | ||
579a97f7 | 3785 | return 0; |
3eb6b044 TS |
3786 | } |
3787 | ||
e5289087 | 3788 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
d1c002b6 | 3789 | abi_ulong target_arg) |
3eb6b044 | 3790 | { |
d1c002b6 | 3791 | union target_semun target_su = { .buf = target_arg }; |
3eb6b044 TS |
3792 | union semun arg; |
3793 | struct semid_ds dsarg; | |
7b8118e8 | 3794 | unsigned short *array = NULL; |
e5289087 AJ |
3795 | struct seminfo seminfo; |
3796 | abi_long ret = -TARGET_EINVAL; | |
3797 | abi_long err; | |
3798 | cmd &= 0xff; | |
3eb6b044 TS |
3799 | |
3800 | switch( cmd ) { | |
3801 | case GETVAL: | |
3eb6b044 | 3802 | case SETVAL: |
5464baec TM |
3803 | /* In 64 bit cross-endian situations, we will erroneously pick up |
3804 | * the wrong half of the union for the "val" element. To rectify | |
3805 | * this, the entire 8-byte structure is byteswapped, followed by | |
3806 | * a swap of the 4 byte val field. In other cases, the data is | |
3807 | * already in proper host byte order. */ | |
3808 | if (sizeof(target_su.val) != (sizeof(target_su.buf))) { | |
3809 | target_su.buf = tswapal(target_su.buf); | |
3810 | arg.val = tswap32(target_su.val); | |
3811 | } else { | |
3812 | arg.val = target_su.val; | |
3813 | } | |
e5289087 | 3814 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
3eb6b044 TS |
3815 | break; |
3816 | case GETALL: | |
3eb6b044 | 3817 | case SETALL: |
e5289087 AJ |
3818 | err = target_to_host_semarray(semid, &array, target_su.array); |
3819 | if (err) | |
3820 | return err; | |
3821 | arg.array = array; | |
3822 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3823 | err = host_to_target_semarray(semid, target_su.array, &array); | |
3824 | if (err) | |
3825 | return err; | |
3eb6b044 TS |
3826 | break; |
3827 | case IPC_STAT: | |
3eb6b044 | 3828 | case IPC_SET: |
e5289087 AJ |
3829 | case SEM_STAT: |
3830 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
3831 | if (err) | |
3832 | return err; | |
3833 | arg.buf = &dsarg; | |
3834 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3835 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
3836 | if (err) | |
3837 | return err; | |
3838 | break; | |
3839 | case IPC_INFO: | |
3840 | case SEM_INFO: | |
3841 | arg.__buf = &seminfo; | |
3842 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
3843 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
3844 | if (err) | |
3845 | return err; | |
3846 | break; | |
3847 | case IPC_RMID: | |
3848 | case GETPID: | |
3849 | case GETNCNT: | |
3850 | case GETZCNT: | |
3851 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 3852 | break; |
3eb6b044 TS |
3853 | } |
3854 | ||
3855 | return ret; | |
3856 | } | |
3857 | ||
e5289087 AJ |
3858 | struct target_sembuf { |
3859 | unsigned short sem_num; | |
3860 | short sem_op; | |
3861 | short sem_flg; | |
3862 | }; | |
3863 | ||
3864 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
3865 | abi_ulong target_addr, | |
3866 | unsigned nsops) | |
3867 | { | |
3868 | struct target_sembuf *target_sembuf; | |
3869 | int i; | |
3870 | ||
3871 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
3872 | nsops*sizeof(struct target_sembuf), 1); | |
3873 | if (!target_sembuf) | |
3874 | return -TARGET_EFAULT; | |
3875 | ||
3876 | for(i=0; i<nsops; i++) { | |
3877 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
3878 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
3879 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
3880 | } | |
3881 | ||
3882 | unlock_user(target_sembuf, target_addr, 0); | |
3883 | ||
3884 | return 0; | |
3885 | } | |
3886 | ||
d8c08b1e MK |
3887 | #if defined(TARGET_NR_ipc) || defined(TARGET_NR_semop) || \ |
3888 | defined(TARGET_NR_semtimedop) | |
3889 | ||
3890 | /* | |
3891 | * This macro is required to handle the s390 variants, which passes the | |
3892 | * arguments in a different order than default. | |
3893 | */ | |
3894 | #ifdef __s390x__ | |
3895 | #define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \ | |
3896 | (__nsops), (__timeout), (__sops) | |
3897 | #else | |
3898 | #define SEMTIMEDOP_IPC_ARGS(__nsops, __sops, __timeout) \ | |
3899 | (__nsops), 0, (__sops), (__timeout) | |
3900 | #endif | |
3901 | ||
3902 | static inline abi_long do_semtimedop(int semid, | |
3903 | abi_long ptr, | |
3904 | unsigned nsops, | |
3905 | abi_long timeout) | |
e5289087 AJ |
3906 | { |
3907 | struct sembuf sops[nsops]; | |
d8c08b1e | 3908 | struct timespec ts, *pts = NULL; |
524fa340 | 3909 | abi_long ret; |
e5289087 | 3910 | |
d8c08b1e MK |
3911 | if (timeout) { |
3912 | pts = &ts; | |
3913 | if (target_to_host_timespec(pts, timeout)) { | |
3914 | return -TARGET_EFAULT; | |
3915 | } | |
3916 | } | |
3917 | ||
e5289087 AJ |
3918 | if (target_to_host_sembuf(sops, ptr, nsops)) |
3919 | return -TARGET_EFAULT; | |
3920 | ||
524fa340 LV |
3921 | ret = -TARGET_ENOSYS; |
3922 | #ifdef __NR_semtimedop | |
d8c08b1e | 3923 | ret = get_errno(safe_semtimedop(semid, sops, nsops, pts)); |
524fa340 LV |
3924 | #endif |
3925 | #ifdef __NR_ipc | |
3926 | if (ret == -TARGET_ENOSYS) { | |
d8c08b1e MK |
3927 | ret = get_errno(safe_ipc(IPCOP_semtimedop, semid, |
3928 | SEMTIMEDOP_IPC_ARGS(nsops, sops, (long)pts))); | |
524fa340 LV |
3929 | } |
3930 | #endif | |
3931 | return ret; | |
e5289087 | 3932 | } |
d8c08b1e | 3933 | #endif |
e5289087 | 3934 | |
1bc012f6 TS |
3935 | struct target_msqid_ds |
3936 | { | |
1c54ff97 AJ |
3937 | struct target_ipc_perm msg_perm; |
3938 | abi_ulong msg_stime; | |
3939 | #if TARGET_ABI_BITS == 32 | |
3940 | abi_ulong __unused1; | |
3941 | #endif | |
3942 | abi_ulong msg_rtime; | |
3943 | #if TARGET_ABI_BITS == 32 | |
3944 | abi_ulong __unused2; | |
3945 | #endif | |
3946 | abi_ulong msg_ctime; | |
3947 | #if TARGET_ABI_BITS == 32 | |
3948 | abi_ulong __unused3; | |
3949 | #endif | |
3950 | abi_ulong __msg_cbytes; | |
3951 | abi_ulong msg_qnum; | |
3952 | abi_ulong msg_qbytes; | |
3953 | abi_ulong msg_lspid; | |
3954 | abi_ulong msg_lrpid; | |
3955 | abi_ulong __unused4; | |
3956 | abi_ulong __unused5; | |
1bc012f6 TS |
3957 | }; |
3958 | ||
579a97f7 FB |
3959 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
3960 | abi_ulong target_addr) | |
1bc012f6 TS |
3961 | { |
3962 | struct target_msqid_ds *target_md; | |
3963 | ||
579a97f7 FB |
3964 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
3965 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
3966 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
3967 | return -TARGET_EFAULT; | |
cbb21eed MB |
3968 | host_md->msg_stime = tswapal(target_md->msg_stime); |
3969 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
3970 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
3971 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
3972 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
3973 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
3974 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
3975 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 3976 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 3977 | return 0; |
1bc012f6 TS |
3978 | } |
3979 | ||
579a97f7 FB |
3980 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
3981 | struct msqid_ds *host_md) | |
1bc012f6 TS |
3982 | { |
3983 | struct target_msqid_ds *target_md; | |
3984 | ||
579a97f7 FB |
3985 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
3986 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
3987 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
3988 | return -TARGET_EFAULT; | |
cbb21eed MB |
3989 | target_md->msg_stime = tswapal(host_md->msg_stime); |
3990 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
3991 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
3992 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
3993 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
3994 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
3995 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
3996 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 3997 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 3998 | return 0; |
1bc012f6 TS |
3999 | } |
4000 | ||
1c54ff97 AJ |
4001 | struct target_msginfo { |
4002 | int msgpool; | |
4003 | int msgmap; | |
4004 | int msgmax; | |
4005 | int msgmnb; | |
4006 | int msgmni; | |
4007 | int msgssz; | |
4008 | int msgtql; | |
4009 | unsigned short int msgseg; | |
4010 | }; | |
4011 | ||
4012 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
4013 | struct msginfo *host_msginfo) | |
4014 | { | |
4015 | struct target_msginfo *target_msginfo; | |
4016 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
4017 | return -TARGET_EFAULT; | |
4018 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
4019 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
4020 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
4021 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
4022 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
4023 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
4024 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
4025 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
4026 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 4027 | return 0; |
1c54ff97 AJ |
4028 | } |
4029 | ||
4030 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
4031 | { |
4032 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
4033 | struct msginfo msginfo; |
4034 | abi_long ret = -TARGET_EINVAL; | |
4035 | ||
4036 | cmd &= 0xff; | |
4037 | ||
4038 | switch (cmd) { | |
1bc012f6 TS |
4039 | case IPC_STAT: |
4040 | case IPC_SET: | |
1c54ff97 AJ |
4041 | case MSG_STAT: |
4042 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
4043 | return -TARGET_EFAULT; | |
4044 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
4045 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
4046 | return -TARGET_EFAULT; | |
4047 | break; | |
4048 | case IPC_RMID: | |
4049 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
4050 | break; | |
4051 | case IPC_INFO: | |
4052 | case MSG_INFO: | |
4053 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
4054 | if (host_to_target_msginfo(ptr, &msginfo)) | |
4055 | return -TARGET_EFAULT; | |
4056 | break; | |
1bc012f6 | 4057 | } |
1c54ff97 | 4058 | |
1bc012f6 TS |
4059 | return ret; |
4060 | } | |
4061 | ||
4062 | struct target_msgbuf { | |
1c54ff97 AJ |
4063 | abi_long mtype; |
4064 | char mtext[1]; | |
1bc012f6 TS |
4065 | }; |
4066 | ||
992f48a0 | 4067 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
edcc5f9d | 4068 | ssize_t msgsz, int msgflg) |
1bc012f6 TS |
4069 | { |
4070 | struct target_msgbuf *target_mb; | |
4071 | struct msgbuf *host_mb; | |
992f48a0 | 4072 | abi_long ret = 0; |
1bc012f6 | 4073 | |
edcc5f9d TM |
4074 | if (msgsz < 0) { |
4075 | return -TARGET_EINVAL; | |
4076 | } | |
4077 | ||
579a97f7 FB |
4078 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
4079 | return -TARGET_EFAULT; | |
0e173b24 | 4080 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
29e03fcb HZ |
4081 | if (!host_mb) { |
4082 | unlock_user_struct(target_mb, msgp, 0); | |
4083 | return -TARGET_ENOMEM; | |
4084 | } | |
cbb21eed | 4085 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 4086 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
524fa340 LV |
4087 | ret = -TARGET_ENOSYS; |
4088 | #ifdef __NR_msgsnd | |
89f9fe44 | 4089 | ret = get_errno(safe_msgsnd(msqid, host_mb, msgsz, msgflg)); |
524fa340 LV |
4090 | #endif |
4091 | #ifdef __NR_ipc | |
4092 | if (ret == -TARGET_ENOSYS) { | |
d8c08b1e MK |
4093 | #ifdef __s390x__ |
4094 | ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, | |
4095 | host_mb)); | |
4096 | #else | |
524fa340 LV |
4097 | ret = get_errno(safe_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, |
4098 | host_mb, 0)); | |
d8c08b1e | 4099 | #endif |
524fa340 LV |
4100 | } |
4101 | #endif | |
0e173b24 | 4102 | g_free(host_mb); |
1bc012f6 TS |
4103 | unlock_user_struct(target_mb, msgp, 0); |
4104 | ||
4105 | return ret; | |
4106 | } | |
4107 | ||
d8c08b1e MK |
4108 | #ifdef __NR_ipc |
4109 | #if defined(__sparc__) | |
4110 | /* SPARC for msgrcv it does not use the kludge on final 2 arguments. */ | |
4111 | #define MSGRCV_ARGS(__msgp, __msgtyp) __msgp, __msgtyp | |
4112 | #elif defined(__s390x__) | |
4113 | /* The s390 sys_ipc variant has only five parameters. */ | |
4114 | #define MSGRCV_ARGS(__msgp, __msgtyp) \ | |
4115 | ((long int[]){(long int)__msgp, __msgtyp}) | |
4116 | #else | |
4117 | #define MSGRCV_ARGS(__msgp, __msgtyp) \ | |
4118 | ((long int[]){(long int)__msgp, __msgtyp}), 0 | |
4119 | #endif | |
4120 | #endif | |
4121 | ||
992f48a0 | 4122 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
99874f65 | 4123 | ssize_t msgsz, abi_long msgtyp, |
992f48a0 | 4124 | int msgflg) |
1bc012f6 TS |
4125 | { |
4126 | struct target_msgbuf *target_mb; | |
579a97f7 | 4127 | char *target_mtext; |
1bc012f6 | 4128 | struct msgbuf *host_mb; |
992f48a0 | 4129 | abi_long ret = 0; |
1bc012f6 | 4130 | |
99874f65 PM |
4131 | if (msgsz < 0) { |
4132 | return -TARGET_EINVAL; | |
4133 | } | |
4134 | ||
579a97f7 FB |
4135 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
4136 | return -TARGET_EFAULT; | |
1c54ff97 | 4137 | |
415d8471 PM |
4138 | host_mb = g_try_malloc(msgsz + sizeof(long)); |
4139 | if (!host_mb) { | |
4140 | ret = -TARGET_ENOMEM; | |
4141 | goto end; | |
4142 | } | |
524fa340 LV |
4143 | ret = -TARGET_ENOSYS; |
4144 | #ifdef __NR_msgrcv | |
89f9fe44 | 4145 | ret = get_errno(safe_msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
524fa340 LV |
4146 | #endif |
4147 | #ifdef __NR_ipc | |
4148 | if (ret == -TARGET_ENOSYS) { | |
4149 | ret = get_errno(safe_ipc(IPCOP_CALL(1, IPCOP_msgrcv), msqid, msgsz, | |
d8c08b1e | 4150 | msgflg, MSGRCV_ARGS(host_mb, msgtyp))); |
524fa340 LV |
4151 | } |
4152 | #endif | |
1c54ff97 | 4153 | |
579a97f7 FB |
4154 | if (ret > 0) { |
4155 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
4156 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
4157 | if (!target_mtext) { | |
4158 | ret = -TARGET_EFAULT; | |
4159 | goto end; | |
4160 | } | |
1c54ff97 | 4161 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
4162 | unlock_user(target_mtext, target_mtext_addr, ret); |
4163 | } | |
1c54ff97 | 4164 | |
cbb21eed | 4165 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 4166 | |
579a97f7 FB |
4167 | end: |
4168 | if (target_mb) | |
4169 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 4170 | g_free(host_mb); |
1bc012f6 TS |
4171 | return ret; |
4172 | } | |
4173 | ||
88a8c984 RV |
4174 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
4175 | abi_ulong target_addr) | |
4176 | { | |
4177 | struct target_shmid_ds *target_sd; | |
4178 | ||
4179 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
4180 | return -TARGET_EFAULT; | |
4181 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
4182 | return -TARGET_EFAULT; | |
4183 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
4184 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
4185 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
4186 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
4187 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
4188 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
4189 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
4190 | unlock_user_struct(target_sd, target_addr, 0); | |
4191 | return 0; | |
4192 | } | |
4193 | ||
4194 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
4195 | struct shmid_ds *host_sd) | |
4196 | { | |
4197 | struct target_shmid_ds *target_sd; | |
4198 | ||
4199 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
4200 | return -TARGET_EFAULT; | |
4201 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
4202 | return -TARGET_EFAULT; | |
4203 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
4204 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
4205 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
4206 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
4207 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
4208 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
4209 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
4210 | unlock_user_struct(target_sd, target_addr, 1); | |
4211 | return 0; | |
4212 | } | |
4213 | ||
4214 | struct target_shminfo { | |
4215 | abi_ulong shmmax; | |
4216 | abi_ulong shmmin; | |
4217 | abi_ulong shmmni; | |
4218 | abi_ulong shmseg; | |
4219 | abi_ulong shmall; | |
4220 | }; | |
4221 | ||
4222 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
4223 | struct shminfo *host_shminfo) | |
4224 | { | |
4225 | struct target_shminfo *target_shminfo; | |
4226 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
4227 | return -TARGET_EFAULT; | |
4228 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
4229 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
4230 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
4231 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
4232 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
4233 | unlock_user_struct(target_shminfo, target_addr, 1); | |
4234 | return 0; | |
4235 | } | |
4236 | ||
4237 | struct target_shm_info { | |
4238 | int used_ids; | |
4239 | abi_ulong shm_tot; | |
4240 | abi_ulong shm_rss; | |
4241 | abi_ulong shm_swp; | |
4242 | abi_ulong swap_attempts; | |
4243 | abi_ulong swap_successes; | |
4244 | }; | |
4245 | ||
4246 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
4247 | struct shm_info *host_shm_info) | |
4248 | { | |
4249 | struct target_shm_info *target_shm_info; | |
4250 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
4251 | return -TARGET_EFAULT; | |
4252 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
4253 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
4254 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
4255 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
4256 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
4257 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
4258 | unlock_user_struct(target_shm_info, target_addr, 1); | |
4259 | return 0; | |
4260 | } | |
4261 | ||
4262 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
4263 | { | |
4264 | struct shmid_ds dsarg; | |
4265 | struct shminfo shminfo; | |
4266 | struct shm_info shm_info; | |
4267 | abi_long ret = -TARGET_EINVAL; | |
4268 | ||
4269 | cmd &= 0xff; | |
4270 | ||
4271 | switch(cmd) { | |
4272 | case IPC_STAT: | |
4273 | case IPC_SET: | |
4274 | case SHM_STAT: | |
4275 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
4276 | return -TARGET_EFAULT; | |
4277 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
4278 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
4279 | return -TARGET_EFAULT; | |
4280 | break; | |
4281 | case IPC_INFO: | |
4282 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
4283 | if (host_to_target_shminfo(buf, &shminfo)) | |
4284 | return -TARGET_EFAULT; | |
4285 | break; | |
4286 | case SHM_INFO: | |
4287 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
4288 | if (host_to_target_shm_info(buf, &shm_info)) | |
4289 | return -TARGET_EFAULT; | |
4290 | break; | |
4291 | case IPC_RMID: | |
4292 | case SHM_LOCK: | |
4293 | case SHM_UNLOCK: | |
4294 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
4295 | break; | |
4296 | } | |
4297 | ||
4298 | return ret; | |
4299 | } | |
4300 | ||
ee8e7614 PM |
4301 | #ifndef TARGET_FORCE_SHMLBA |
4302 | /* For most architectures, SHMLBA is the same as the page size; | |
4303 | * some architectures have larger values, in which case they should | |
4304 | * define TARGET_FORCE_SHMLBA and provide a target_shmlba() function. | |
4305 | * This corresponds to the kernel arch code defining __ARCH_FORCE_SHMLBA | |
4306 | * and defining its own value for SHMLBA. | |
4307 | * | |
4308 | * The kernel also permits SHMLBA to be set by the architecture to a | |
4309 | * value larger than the page size without setting __ARCH_FORCE_SHMLBA; | |
4310 | * this means that addresses are rounded to the large size if | |
4311 | * SHM_RND is set but addresses not aligned to that size are not rejected | |
4312 | * as long as they are at least page-aligned. Since the only architecture | |
4313 | * which uses this is ia64 this code doesn't provide for that oddity. | |
4314 | */ | |
4315 | static inline abi_ulong target_shmlba(CPUArchState *cpu_env) | |
4316 | { | |
4317 | return TARGET_PAGE_SIZE; | |
4318 | } | |
4319 | #endif | |
4320 | ||
4321 | static inline abi_ulong do_shmat(CPUArchState *cpu_env, | |
4322 | int shmid, abi_ulong shmaddr, int shmflg) | |
88a8c984 RV |
4323 | { |
4324 | abi_long raddr; | |
4325 | void *host_raddr; | |
4326 | struct shmid_ds shm_info; | |
4327 | int i,ret; | |
ee8e7614 | 4328 | abi_ulong shmlba; |
88a8c984 RV |
4329 | |
4330 | /* find out the length of the shared memory segment */ | |
4331 | ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); | |
4332 | if (is_error(ret)) { | |
4333 | /* can't get length, bail out */ | |
4334 | return ret; | |
4335 | } | |
4336 | ||
ee8e7614 PM |
4337 | shmlba = target_shmlba(cpu_env); |
4338 | ||
4339 | if (shmaddr & (shmlba - 1)) { | |
4340 | if (shmflg & SHM_RND) { | |
4341 | shmaddr &= ~(shmlba - 1); | |
4342 | } else { | |
4343 | return -TARGET_EINVAL; | |
4344 | } | |
4345 | } | |
ebf9a363 MF |
4346 | if (!guest_range_valid(shmaddr, shm_info.shm_segsz)) { |
4347 | return -TARGET_EINVAL; | |
4348 | } | |
ee8e7614 | 4349 | |
88a8c984 RV |
4350 | mmap_lock(); |
4351 | ||
4352 | if (shmaddr) | |
4353 | host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg); | |
4354 | else { | |
4355 | abi_ulong mmap_start; | |
4356 | ||
30ab9ef2 RH |
4357 | /* In order to use the host shmat, we need to honor host SHMLBA. */ |
4358 | mmap_start = mmap_find_vma(0, shm_info.shm_segsz, MAX(SHMLBA, shmlba)); | |
88a8c984 RV |
4359 | |
4360 | if (mmap_start == -1) { | |
4361 | errno = ENOMEM; | |
4362 | host_raddr = (void *)-1; | |
4363 | } else | |
4364 | host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); | |
4365 | } | |
4366 | ||
4367 | if (host_raddr == (void *)-1) { | |
4368 | mmap_unlock(); | |
4369 | return get_errno((long)host_raddr); | |
4370 | } | |
4371 | raddr=h2g((unsigned long)host_raddr); | |
4372 | ||
4373 | page_set_flags(raddr, raddr + shm_info.shm_segsz, | |
4374 | PAGE_VALID | PAGE_READ | | |
4375 | ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE)); | |
4376 | ||
4377 | for (i = 0; i < N_SHM_REGIONS; i++) { | |
b6e17875 PM |
4378 | if (!shm_regions[i].in_use) { |
4379 | shm_regions[i].in_use = true; | |
88a8c984 RV |
4380 | shm_regions[i].start = raddr; |
4381 | shm_regions[i].size = shm_info.shm_segsz; | |
4382 | break; | |
4383 | } | |
4384 | } | |
4385 | ||
4386 | mmap_unlock(); | |
4387 | return raddr; | |
4388 | ||
4389 | } | |
4390 | ||
4391 | static inline abi_long do_shmdt(abi_ulong shmaddr) | |
4392 | { | |
4393 | int i; | |
3c5f6a5f MF |
4394 | abi_long rv; |
4395 | ||
4396 | mmap_lock(); | |
88a8c984 RV |
4397 | |
4398 | for (i = 0; i < N_SHM_REGIONS; ++i) { | |
b6e17875 PM |
4399 | if (shm_regions[i].in_use && shm_regions[i].start == shmaddr) { |
4400 | shm_regions[i].in_use = false; | |
e00ac249 | 4401 | page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0); |
88a8c984 RV |
4402 | break; |
4403 | } | |
4404 | } | |
3c5f6a5f | 4405 | rv = get_errno(shmdt(g2h(shmaddr))); |
88a8c984 | 4406 | |
3c5f6a5f | 4407 | mmap_unlock(); |
88a8c984 | 4408 | |
3c5f6a5f | 4409 | return rv; |
88a8c984 RV |
4410 | } |
4411 | ||
1c54ff97 | 4412 | #ifdef TARGET_NR_ipc |
53a5960a | 4413 | /* ??? This only works with linear mappings. */ |
0da46a6e | 4414 | /* do_ipc() must return target values and target errnos. */ |
ee8e7614 PM |
4415 | static abi_long do_ipc(CPUArchState *cpu_env, |
4416 | unsigned int call, abi_long first, | |
37ed0956 | 4417 | abi_long second, abi_long third, |
992f48a0 | 4418 | abi_long ptr, abi_long fifth) |
8853f86e FB |
4419 | { |
4420 | int version; | |
992f48a0 | 4421 | abi_long ret = 0; |
8853f86e FB |
4422 | |
4423 | version = call >> 16; | |
4424 | call &= 0xffff; | |
4425 | ||
4426 | switch (call) { | |
fa294816 | 4427 | case IPCOP_semop: |
d8c08b1e MK |
4428 | ret = do_semtimedop(first, ptr, second, 0); |
4429 | break; | |
4430 | case IPCOP_semtimedop: | |
4431 | /* | |
4432 | * The s390 sys_ipc variant has only five parameters instead of six | |
4433 | * (as for default variant) and the only difference is the handling of | |
4434 | * SEMTIMEDOP where on s390 the third parameter is used as a pointer | |
4435 | * to a struct timespec where the generic variant uses fifth parameter. | |
4436 | */ | |
4437 | #if defined(TARGET_S390X) | |
4438 | ret = do_semtimedop(first, ptr, second, third); | |
4439 | #else | |
4440 | ret = do_semtimedop(first, ptr, second, fifth); | |
4441 | #endif | |
fa294816 TS |
4442 | break; |
4443 | ||
4444 | case IPCOP_semget: | |
4445 | ret = get_errno(semget(first, second, third)); | |
4446 | break; | |
4447 | ||
5d2fa8eb TM |
4448 | case IPCOP_semctl: { |
4449 | /* The semun argument to semctl is passed by value, so dereference the | |
4450 | * ptr argument. */ | |
4451 | abi_ulong atptr; | |
37ed0956 | 4452 | get_user_ual(atptr, ptr); |
d1c002b6 | 4453 | ret = do_semctl(first, second, third, atptr); |
fa294816 | 4454 | break; |
5d2fa8eb | 4455 | } |
d96372ef | 4456 | |
1c54ff97 AJ |
4457 | case IPCOP_msgget: |
4458 | ret = get_errno(msgget(first, second)); | |
4459 | break; | |
d96372ef | 4460 | |
1c54ff97 AJ |
4461 | case IPCOP_msgsnd: |
4462 | ret = do_msgsnd(first, ptr, second, third); | |
4463 | break; | |
d96372ef | 4464 | |
1c54ff97 AJ |
4465 | case IPCOP_msgctl: |
4466 | ret = do_msgctl(first, second, ptr); | |
4467 | break; | |
d96372ef | 4468 | |
1c54ff97 AJ |
4469 | case IPCOP_msgrcv: |
4470 | switch (version) { | |
4471 | case 0: | |
4472 | { | |
4473 | struct target_ipc_kludge { | |
4474 | abi_long msgp; | |
4475 | abi_long msgtyp; | |
4476 | } *tmp; | |
4477 | ||
4478 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
4479 | ret = -TARGET_EFAULT; | |
4480 | break; | |
4481 | } | |
d96372ef | 4482 | |
79dd77de | 4483 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 4484 | |
1c54ff97 AJ |
4485 | unlock_user_struct(tmp, ptr, 0); |
4486 | break; | |
4487 | } | |
4488 | default: | |
4489 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
4490 | } | |
4491 | break; | |
d96372ef | 4492 | |
8853f86e | 4493 | case IPCOP_shmat: |
88a8c984 RV |
4494 | switch (version) { |
4495 | default: | |
5a4a898d FB |
4496 | { |
4497 | abi_ulong raddr; | |
ee8e7614 | 4498 | raddr = do_shmat(cpu_env, first, ptr, second); |
88a8c984 RV |
4499 | if (is_error(raddr)) |
4500 | return get_errno(raddr); | |
2f619698 | 4501 | if (put_user_ual(raddr, third)) |
5a4a898d | 4502 | return -TARGET_EFAULT; |
88a8c984 RV |
4503 | break; |
4504 | } | |
4505 | case 1: | |
4506 | ret = -TARGET_EINVAL; | |
4507 | break; | |
5a4a898d | 4508 | } |
8853f86e FB |
4509 | break; |
4510 | case IPCOP_shmdt: | |
88a8c984 | 4511 | ret = do_shmdt(ptr); |
8853f86e FB |
4512 | break; |
4513 | ||
4514 | case IPCOP_shmget: | |
4515 | /* IPC_* flag values are the same on all linux platforms */ | |
4516 | ret = get_errno(shmget(first, second, third)); | |
4517 | break; | |
4518 | ||
4519 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
4520 | case IPCOP_shmctl: | |
a2926784 | 4521 | ret = do_shmctl(first, second, ptr); |
8853f86e FB |
4522 | break; |
4523 | default: | |
39be5350 JK |
4524 | qemu_log_mask(LOG_UNIMP, "Unsupported ipc call: %d (version %d)\n", |
4525 | call, version); | |
0da46a6e | 4526 | ret = -TARGET_ENOSYS; |
8853f86e FB |
4527 | break; |
4528 | } | |
4529 | return ret; | |
4530 | } | |
32407103 | 4531 | #endif |
8853f86e | 4532 | |
31e31b8a | 4533 | /* kernel structure types definitions */ |
31e31b8a | 4534 | |
001faf32 | 4535 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
4536 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
4537 | enum { | |
4538 | #include "syscall_types.h" | |
8be656b8 | 4539 | STRUCT_MAX |
31e31b8a FB |
4540 | }; |
4541 | #undef STRUCT | |
4542 | #undef STRUCT_SPECIAL | |
4543 | ||
001faf32 | 4544 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
4545 | #define STRUCT_SPECIAL(name) |
4546 | #include "syscall_types.h" | |
4547 | #undef STRUCT | |
4548 | #undef STRUCT_SPECIAL | |
4549 | ||
31e31b8a FB |
4550 | #define MAX_STRUCT_SIZE 4096 |
4551 | ||
dace20dc | 4552 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
4553 | /* So fiemap access checks don't overflow on 32 bit systems. |
4554 | * This is very slightly smaller than the limit imposed by | |
4555 | * the underlying kernel. | |
4556 | */ | |
4557 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
4558 | / sizeof(struct fiemap_extent)) | |
4559 | ||
4560 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 4561 | int fd, int cmd, abi_long arg) |
285da2b9 PM |
4562 | { |
4563 | /* The parameter for this ioctl is a struct fiemap followed | |
4564 | * by an array of struct fiemap_extent whose size is set | |
4565 | * in fiemap->fm_extent_count. The array is filled in by the | |
4566 | * ioctl. | |
4567 | */ | |
4568 | int target_size_in, target_size_out; | |
4569 | struct fiemap *fm; | |
4570 | const argtype *arg_type = ie->arg_type; | |
4571 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
4572 | void *argptr, *p; | |
4573 | abi_long ret; | |
4574 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
4575 | uint32_t outbufsz; | |
4576 | int free_fm = 0; | |
4577 | ||
4578 | assert(arg_type[0] == TYPE_PTR); | |
4579 | assert(ie->access == IOC_RW); | |
4580 | arg_type++; | |
4581 | target_size_in = thunk_type_size(arg_type, 0); | |
4582 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
4583 | if (!argptr) { | |
4584 | return -TARGET_EFAULT; | |
4585 | } | |
4586 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4587 | unlock_user(argptr, arg, 0); | |
4588 | fm = (struct fiemap *)buf_temp; | |
4589 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
4590 | return -TARGET_EINVAL; | |
4591 | } | |
4592 | ||
4593 | outbufsz = sizeof (*fm) + | |
4594 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
4595 | ||
4596 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4597 | /* We can't fit all the extents into the fixed size buffer. | |
4598 | * Allocate one that is large enough and use it instead. | |
4599 | */ | |
0e173b24 | 4600 | fm = g_try_malloc(outbufsz); |
285da2b9 PM |
4601 | if (!fm) { |
4602 | return -TARGET_ENOMEM; | |
4603 | } | |
4604 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
4605 | free_fm = 1; | |
4606 | } | |
49ca6f3e | 4607 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, fm)); |
285da2b9 PM |
4608 | if (!is_error(ret)) { |
4609 | target_size_out = target_size_in; | |
4610 | /* An extent_count of 0 means we were only counting the extents | |
4611 | * so there are no structs to copy | |
4612 | */ | |
4613 | if (fm->fm_extent_count != 0) { | |
4614 | target_size_out += fm->fm_mapped_extents * extent_size; | |
4615 | } | |
4616 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
4617 | if (!argptr) { | |
4618 | ret = -TARGET_EFAULT; | |
4619 | } else { | |
4620 | /* Convert the struct fiemap */ | |
4621 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
4622 | if (fm->fm_extent_count != 0) { | |
4623 | p = argptr + target_size_in; | |
4624 | /* ...and then all the struct fiemap_extents */ | |
4625 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
4626 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
4627 | THUNK_TARGET); | |
4628 | p += extent_size; | |
4629 | } | |
4630 | } | |
4631 | unlock_user(argptr, arg, target_size_out); | |
4632 | } | |
4633 | } | |
4634 | if (free_fm) { | |
0e173b24 | 4635 | g_free(fm); |
285da2b9 PM |
4636 | } |
4637 | return ret; | |
4638 | } | |
dace20dc | 4639 | #endif |
285da2b9 | 4640 | |
059c2f2c | 4641 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 4642 | int fd, int cmd, abi_long arg) |
059c2f2c LV |
4643 | { |
4644 | const argtype *arg_type = ie->arg_type; | |
4645 | int target_size; | |
4646 | void *argptr; | |
4647 | int ret; | |
4648 | struct ifconf *host_ifconf; | |
4649 | uint32_t outbufsz; | |
4650 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
4651 | int target_ifreq_size; | |
4652 | int nb_ifreq; | |
4653 | int free_buf = 0; | |
4654 | int i; | |
4655 | int target_ifc_len; | |
4656 | abi_long target_ifc_buf; | |
4657 | int host_ifc_len; | |
4658 | char *host_ifc_buf; | |
4659 | ||
4660 | assert(arg_type[0] == TYPE_PTR); | |
4661 | assert(ie->access == IOC_RW); | |
4662 | ||
4663 | arg_type++; | |
4664 | target_size = thunk_type_size(arg_type, 0); | |
4665 | ||
4666 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4667 | if (!argptr) | |
4668 | return -TARGET_EFAULT; | |
4669 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4670 | unlock_user(argptr, arg, 0); | |
4671 | ||
4672 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
059c2f2c | 4673 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; |
059c2f2c | 4674 | target_ifreq_size = thunk_type_size(ifreq_arg_type, 0); |
059c2f2c | 4675 | |
22e4a267 KL |
4676 | if (target_ifc_buf != 0) { |
4677 | target_ifc_len = host_ifconf->ifc_len; | |
4678 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
4679 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
4680 | ||
4681 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
4682 | if (outbufsz > MAX_STRUCT_SIZE) { | |
4683 | /* | |
4684 | * We can't fit all the extents into the fixed size buffer. | |
4685 | * Allocate one that is large enough and use it instead. | |
4686 | */ | |
4687 | host_ifconf = malloc(outbufsz); | |
4688 | if (!host_ifconf) { | |
4689 | return -TARGET_ENOMEM; | |
4690 | } | |
4691 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
4692 | free_buf = 1; | |
059c2f2c | 4693 | } |
22e4a267 | 4694 | host_ifc_buf = (char *)host_ifconf + sizeof(*host_ifconf); |
059c2f2c | 4695 | |
22e4a267 KL |
4696 | host_ifconf->ifc_len = host_ifc_len; |
4697 | } else { | |
4698 | host_ifc_buf = NULL; | |
4699 | } | |
059c2f2c LV |
4700 | host_ifconf->ifc_buf = host_ifc_buf; |
4701 | ||
49ca6f3e | 4702 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_ifconf)); |
059c2f2c LV |
4703 | if (!is_error(ret)) { |
4704 | /* convert host ifc_len to target ifc_len */ | |
4705 | ||
4706 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
4707 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
4708 | host_ifconf->ifc_len = target_ifc_len; | |
4709 | ||
4710 | /* restore target ifc_buf */ | |
4711 | ||
4712 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
4713 | ||
4714 | /* copy struct ifconf to target user */ | |
4715 | ||
4716 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4717 | if (!argptr) | |
4718 | return -TARGET_EFAULT; | |
4719 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
4720 | unlock_user(argptr, arg, target_size); | |
4721 | ||
22e4a267 KL |
4722 | if (target_ifc_buf != 0) { |
4723 | /* copy ifreq[] to target user */ | |
4724 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
4725 | for (i = 0; i < nb_ifreq ; i++) { | |
4726 | thunk_convert(argptr + i * target_ifreq_size, | |
4727 | host_ifc_buf + i * sizeof(struct ifreq), | |
4728 | ifreq_arg_type, THUNK_TARGET); | |
4729 | } | |
4730 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
059c2f2c | 4731 | } |
059c2f2c LV |
4732 | } |
4733 | ||
4734 | if (free_buf) { | |
4735 | free(host_ifconf); | |
4736 | } | |
4737 | ||
4738 | return ret; | |
4739 | } | |
4740 | ||
a133367e CT |
4741 | #if defined(CONFIG_USBFS) |
4742 | #if HOST_LONG_BITS > 64 | |
4743 | #error USBDEVFS thunks do not support >64 bit hosts yet. | |
4744 | #endif | |
4745 | struct live_urb { | |
4746 | uint64_t target_urb_adr; | |
4747 | uint64_t target_buf_adr; | |
4748 | char *target_buf_ptr; | |
4749 | struct usbdevfs_urb host_urb; | |
4750 | }; | |
4751 | ||
4752 | static GHashTable *usbdevfs_urb_hashtable(void) | |
4753 | { | |
4754 | static GHashTable *urb_hashtable; | |
4755 | ||
4756 | if (!urb_hashtable) { | |
4757 | urb_hashtable = g_hash_table_new(g_int64_hash, g_int64_equal); | |
4758 | } | |
4759 | return urb_hashtable; | |
4760 | } | |
4761 | ||
4762 | static void urb_hashtable_insert(struct live_urb *urb) | |
4763 | { | |
4764 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4765 | g_hash_table_insert(urb_hashtable, urb, urb); | |
4766 | } | |
4767 | ||
4768 | static struct live_urb *urb_hashtable_lookup(uint64_t target_urb_adr) | |
4769 | { | |
4770 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4771 | return g_hash_table_lookup(urb_hashtable, &target_urb_adr); | |
4772 | } | |
4773 | ||
4774 | static void urb_hashtable_remove(struct live_urb *urb) | |
4775 | { | |
4776 | GHashTable *urb_hashtable = usbdevfs_urb_hashtable(); | |
4777 | g_hash_table_remove(urb_hashtable, urb); | |
4778 | } | |
4779 | ||
4780 | static abi_long | |
4781 | do_ioctl_usbdevfs_reapurb(const IOCTLEntry *ie, uint8_t *buf_temp, | |
4782 | int fd, int cmd, abi_long arg) | |
4783 | { | |
4784 | const argtype usbfsurb_arg_type[] = { MK_STRUCT(STRUCT_usbdevfs_urb) }; | |
4785 | const argtype ptrvoid_arg_type[] = { TYPE_PTRVOID, 0, 0 }; | |
4786 | struct live_urb *lurb; | |
4787 | void *argptr; | |
4788 | uint64_t hurb; | |
4789 | int target_size; | |
4790 | uintptr_t target_urb_adr; | |
4791 | abi_long ret; | |
4792 | ||
4793 | target_size = thunk_type_size(usbfsurb_arg_type, THUNK_TARGET); | |
4794 | ||
4795 | memset(buf_temp, 0, sizeof(uint64_t)); | |
4796 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); | |
4797 | if (is_error(ret)) { | |
4798 | return ret; | |
4799 | } | |
4800 | ||
4801 | memcpy(&hurb, buf_temp, sizeof(uint64_t)); | |
4802 | lurb = (void *)((uintptr_t)hurb - offsetof(struct live_urb, host_urb)); | |
4803 | if (!lurb->target_urb_adr) { | |
4804 | return -TARGET_EFAULT; | |
4805 | } | |
4806 | urb_hashtable_remove(lurb); | |
4807 | unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, | |
4808 | lurb->host_urb.buffer_length); | |
4809 | lurb->target_buf_ptr = NULL; | |
4810 | ||
4811 | /* restore the guest buffer pointer */ | |
4812 | lurb->host_urb.buffer = (void *)(uintptr_t)lurb->target_buf_adr; | |
4813 | ||
4814 | /* update the guest urb struct */ | |
4815 | argptr = lock_user(VERIFY_WRITE, lurb->target_urb_adr, target_size, 0); | |
4816 | if (!argptr) { | |
4817 | g_free(lurb); | |
4818 | return -TARGET_EFAULT; | |
4819 | } | |
4820 | thunk_convert(argptr, &lurb->host_urb, usbfsurb_arg_type, THUNK_TARGET); | |
4821 | unlock_user(argptr, lurb->target_urb_adr, target_size); | |
4822 | ||
4823 | target_size = thunk_type_size(ptrvoid_arg_type, THUNK_TARGET); | |
4824 | /* write back the urb handle */ | |
4825 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
4826 | if (!argptr) { | |
4827 | g_free(lurb); | |
4828 | return -TARGET_EFAULT; | |
4829 | } | |
4830 | ||
4831 | /* GHashTable uses 64-bit keys but thunk_convert expects uintptr_t */ | |
4832 | target_urb_adr = lurb->target_urb_adr; | |
4833 | thunk_convert(argptr, &target_urb_adr, ptrvoid_arg_type, THUNK_TARGET); | |
4834 | unlock_user(argptr, arg, target_size); | |
4835 | ||
4836 | g_free(lurb); | |
4837 | return ret; | |
4838 | } | |
4839 | ||
4840 | static abi_long | |
4841 | do_ioctl_usbdevfs_discardurb(const IOCTLEntry *ie, | |
4842 | uint8_t *buf_temp __attribute__((unused)), | |
4843 | int fd, int cmd, abi_long arg) | |
4844 | { | |
4845 | struct live_urb *lurb; | |
4846 | ||
4847 | /* map target address back to host URB with metadata. */ | |
4848 | lurb = urb_hashtable_lookup(arg); | |
4849 | if (!lurb) { | |
4850 | return -TARGET_EFAULT; | |
4851 | } | |
4852 | return get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb)); | |
4853 | } | |
4854 | ||
4855 | static abi_long | |
4856 | do_ioctl_usbdevfs_submiturb(const IOCTLEntry *ie, uint8_t *buf_temp, | |
4857 | int fd, int cmd, abi_long arg) | |
4858 | { | |
4859 | const argtype *arg_type = ie->arg_type; | |
4860 | int target_size; | |
4861 | abi_long ret; | |
4862 | void *argptr; | |
4863 | int rw_dir; | |
4864 | struct live_urb *lurb; | |
4865 | ||
4866 | /* | |
4867 | * each submitted URB needs to map to a unique ID for the | |
4868 | * kernel, and that unique ID needs to be a pointer to | |
4869 | * host memory. hence, we need to malloc for each URB. | |
4870 | * isochronous transfers have a variable length struct. | |
4871 | */ | |
4872 | arg_type++; | |
4873 | target_size = thunk_type_size(arg_type, THUNK_TARGET); | |
4874 | ||
4875 | /* construct host copy of urb and metadata */ | |
4876 | lurb = g_try_malloc0(sizeof(struct live_urb)); | |
4877 | if (!lurb) { | |
4878 | return -TARGET_ENOMEM; | |
4879 | } | |
4880 | ||
4881 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4882 | if (!argptr) { | |
4883 | g_free(lurb); | |
4884 | return -TARGET_EFAULT; | |
4885 | } | |
4886 | thunk_convert(&lurb->host_urb, argptr, arg_type, THUNK_HOST); | |
4887 | unlock_user(argptr, arg, 0); | |
4888 | ||
4889 | lurb->target_urb_adr = arg; | |
4890 | lurb->target_buf_adr = (uintptr_t)lurb->host_urb.buffer; | |
4891 | ||
4892 | /* buffer space used depends on endpoint type so lock the entire buffer */ | |
4893 | /* control type urbs should check the buffer contents for true direction */ | |
4894 | rw_dir = lurb->host_urb.endpoint & USB_DIR_IN ? VERIFY_WRITE : VERIFY_READ; | |
4895 | lurb->target_buf_ptr = lock_user(rw_dir, lurb->target_buf_adr, | |
4896 | lurb->host_urb.buffer_length, 1); | |
4897 | if (lurb->target_buf_ptr == NULL) { | |
4898 | g_free(lurb); | |
4899 | return -TARGET_EFAULT; | |
4900 | } | |
4901 | ||
4902 | /* update buffer pointer in host copy */ | |
4903 | lurb->host_urb.buffer = lurb->target_buf_ptr; | |
4904 | ||
4905 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, &lurb->host_urb)); | |
4906 | if (is_error(ret)) { | |
4907 | unlock_user(lurb->target_buf_ptr, lurb->target_buf_adr, 0); | |
4908 | g_free(lurb); | |
4909 | } else { | |
4910 | urb_hashtable_insert(lurb); | |
4911 | } | |
4912 | ||
4913 | return ret; | |
4914 | } | |
4915 | #endif /* CONFIG_USBFS */ | |
4916 | ||
56e904ec | 4917 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 4918 | int cmd, abi_long arg) |
56e904ec AG |
4919 | { |
4920 | void *argptr; | |
4921 | struct dm_ioctl *host_dm; | |
4922 | abi_long guest_data; | |
4923 | uint32_t guest_data_size; | |
4924 | int target_size; | |
4925 | const argtype *arg_type = ie->arg_type; | |
4926 | abi_long ret; | |
4927 | void *big_buf = NULL; | |
4928 | char *host_data; | |
4929 | ||
4930 | arg_type++; | |
4931 | target_size = thunk_type_size(arg_type, 0); | |
4932 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
4933 | if (!argptr) { | |
4934 | ret = -TARGET_EFAULT; | |
4935 | goto out; | |
4936 | } | |
4937 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
4938 | unlock_user(argptr, arg, 0); | |
4939 | ||
4940 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
4941 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
4942 | memcpy(big_buf, buf_temp, target_size); | |
4943 | buf_temp = big_buf; | |
4944 | host_dm = big_buf; | |
4945 | ||
4946 | guest_data = arg + host_dm->data_start; | |
4947 | if ((guest_data - arg) < 0) { | |
f9757b1d | 4948 | ret = -TARGET_EINVAL; |
56e904ec AG |
4949 | goto out; |
4950 | } | |
4951 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
4952 | host_data = (char*)host_dm + host_dm->data_start; | |
4953 | ||
4954 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3211215e PM |
4955 | if (!argptr) { |
4956 | ret = -TARGET_EFAULT; | |
4957 | goto out; | |
4958 | } | |
4959 | ||
56e904ec AG |
4960 | switch (ie->host_cmd) { |
4961 | case DM_REMOVE_ALL: | |
4962 | case DM_LIST_DEVICES: | |
4963 | case DM_DEV_CREATE: | |
4964 | case DM_DEV_REMOVE: | |
4965 | case DM_DEV_SUSPEND: | |
4966 | case DM_DEV_STATUS: | |
4967 | case DM_DEV_WAIT: | |
4968 | case DM_TABLE_STATUS: | |
4969 | case DM_TABLE_CLEAR: | |
4970 | case DM_TABLE_DEPS: | |
4971 | case DM_LIST_VERSIONS: | |
4972 | /* no input data */ | |
4973 | break; | |
4974 | case DM_DEV_RENAME: | |
4975 | case DM_DEV_SET_GEOMETRY: | |
4976 | /* data contains only strings */ | |
4977 | memcpy(host_data, argptr, guest_data_size); | |
4978 | break; | |
4979 | case DM_TARGET_MSG: | |
4980 | memcpy(host_data, argptr, guest_data_size); | |
4981 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
4982 | break; | |
4983 | case DM_TABLE_LOAD: | |
4984 | { | |
4985 | void *gspec = argptr; | |
4986 | void *cur_data = host_data; | |
4987 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
4988 | int spec_size = thunk_type_size(arg_type, 0); | |
4989 | int i; | |
4990 | ||
4991 | for (i = 0; i < host_dm->target_count; i++) { | |
4992 | struct dm_target_spec *spec = cur_data; | |
4993 | uint32_t next; | |
4994 | int slen; | |
4995 | ||
4996 | thunk_convert(spec, gspec, arg_type, THUNK_HOST); | |
4997 | slen = strlen((char*)gspec + spec_size) + 1; | |
4998 | next = spec->next; | |
4999 | spec->next = sizeof(*spec) + slen; | |
5000 | strcpy((char*)&spec[1], gspec + spec_size); | |
5001 | gspec += next; | |
5002 | cur_data += spec->next; | |
5003 | } | |
5004 | break; | |
5005 | } | |
5006 | default: | |
5007 | ret = -TARGET_EINVAL; | |
dec0473d | 5008 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
5009 | goto out; |
5010 | } | |
5011 | unlock_user(argptr, guest_data, 0); | |
5012 | ||
49ca6f3e | 5013 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
56e904ec AG |
5014 | if (!is_error(ret)) { |
5015 | guest_data = arg + host_dm->data_start; | |
5016 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
5017 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
5018 | switch (ie->host_cmd) { | |
5019 | case DM_REMOVE_ALL: | |
5020 | case DM_DEV_CREATE: | |
5021 | case DM_DEV_REMOVE: | |
5022 | case DM_DEV_RENAME: | |
5023 | case DM_DEV_SUSPEND: | |
5024 | case DM_DEV_STATUS: | |
5025 | case DM_TABLE_LOAD: | |
5026 | case DM_TABLE_CLEAR: | |
5027 | case DM_TARGET_MSG: | |
5028 | case DM_DEV_SET_GEOMETRY: | |
5029 | /* no return data */ | |
5030 | break; | |
5031 | case DM_LIST_DEVICES: | |
5032 | { | |
5033 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
5034 | uint32_t remaining_data = guest_data_size; | |
5035 | void *cur_data = argptr; | |
5036 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; | |
5037 | int nl_size = 12; /* can't use thunk_size due to alignment */ | |
5038 | ||
5039 | while (1) { | |
5040 | uint32_t next = nl->next; | |
5041 | if (next) { | |
5042 | nl->next = nl_size + (strlen(nl->name) + 1); | |
5043 | } | |
5044 | if (remaining_data < nl->next) { | |
5045 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5046 | break; | |
5047 | } | |
5048 | thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); | |
5049 | strcpy(cur_data + nl_size, nl->name); | |
5050 | cur_data += nl->next; | |
5051 | remaining_data -= nl->next; | |
5052 | if (!next) { | |
5053 | break; | |
5054 | } | |
5055 | nl = (void*)nl + next; | |
5056 | } | |
5057 | break; | |
5058 | } | |
5059 | case DM_DEV_WAIT: | |
5060 | case DM_TABLE_STATUS: | |
5061 | { | |
5062 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
5063 | void *cur_data = argptr; | |
5064 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
5065 | int spec_size = thunk_type_size(arg_type, 0); | |
5066 | int i; | |
5067 | ||
5068 | for (i = 0; i < host_dm->target_count; i++) { | |
5069 | uint32_t next = spec->next; | |
5070 | int slen = strlen((char*)&spec[1]) + 1; | |
5071 | spec->next = (cur_data - argptr) + spec_size + slen; | |
5072 | if (guest_data_size < spec->next) { | |
5073 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5074 | break; | |
5075 | } | |
5076 | thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); | |
5077 | strcpy(cur_data + spec_size, (char*)&spec[1]); | |
5078 | cur_data = argptr + spec->next; | |
5079 | spec = (void*)host_dm + host_dm->data_start + next; | |
5080 | } | |
5081 | break; | |
5082 | } | |
5083 | case DM_TABLE_DEPS: | |
5084 | { | |
5085 | void *hdata = (void*)host_dm + host_dm->data_start; | |
5086 | int count = *(uint32_t*)hdata; | |
5087 | uint64_t *hdev = hdata + 8; | |
5088 | uint64_t *gdev = argptr + 8; | |
5089 | int i; | |
5090 | ||
5091 | *(uint32_t*)argptr = tswap32(count); | |
5092 | for (i = 0; i < count; i++) { | |
5093 | *gdev = tswap64(*hdev); | |
5094 | gdev++; | |
5095 | hdev++; | |
5096 | } | |
5097 | break; | |
5098 | } | |
5099 | case DM_LIST_VERSIONS: | |
5100 | { | |
5101 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
5102 | uint32_t remaining_data = guest_data_size; | |
5103 | void *cur_data = argptr; | |
5104 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; | |
5105 | int vers_size = thunk_type_size(arg_type, 0); | |
5106 | ||
5107 | while (1) { | |
5108 | uint32_t next = vers->next; | |
5109 | if (next) { | |
5110 | vers->next = vers_size + (strlen(vers->name) + 1); | |
5111 | } | |
5112 | if (remaining_data < vers->next) { | |
5113 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
5114 | break; | |
5115 | } | |
5116 | thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); | |
5117 | strcpy(cur_data + vers_size, vers->name); | |
5118 | cur_data += vers->next; | |
5119 | remaining_data -= vers->next; | |
5120 | if (!next) { | |
5121 | break; | |
5122 | } | |
5123 | vers = (void*)vers + next; | |
5124 | } | |
5125 | break; | |
5126 | } | |
5127 | default: | |
dec0473d | 5128 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
5129 | ret = -TARGET_EINVAL; |
5130 | goto out; | |
5131 | } | |
5132 | unlock_user(argptr, guest_data, guest_data_size); | |
5133 | ||
5134 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
5135 | if (!argptr) { | |
5136 | ret = -TARGET_EFAULT; | |
5137 | goto out; | |
5138 | } | |
5139 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
5140 | unlock_user(argptr, arg, target_size); | |
5141 | } | |
5142 | out: | |
ad11ad77 | 5143 | g_free(big_buf); |
56e904ec AG |
5144 | return ret; |
5145 | } | |
5146 | ||
a59b5e35 | 5147 | static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 5148 | int cmd, abi_long arg) |
a59b5e35 AG |
5149 | { |
5150 | void *argptr; | |
5151 | int target_size; | |
5152 | const argtype *arg_type = ie->arg_type; | |
5153 | const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) }; | |
5154 | abi_long ret; | |
5155 | ||
5156 | struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp; | |
5157 | struct blkpg_partition host_part; | |
5158 | ||
5159 | /* Read and convert blkpg */ | |
5160 | arg_type++; | |
5161 | target_size = thunk_type_size(arg_type, 0); | |
5162 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5163 | if (!argptr) { | |
5164 | ret = -TARGET_EFAULT; | |
5165 | goto out; | |
5166 | } | |
5167 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
5168 | unlock_user(argptr, arg, 0); | |
5169 | ||
5170 | switch (host_blkpg->op) { | |
5171 | case BLKPG_ADD_PARTITION: | |
5172 | case BLKPG_DEL_PARTITION: | |
5173 | /* payload is struct blkpg_partition */ | |
5174 | break; | |
5175 | default: | |
5176 | /* Unknown opcode */ | |
5177 | ret = -TARGET_EINVAL; | |
5178 | goto out; | |
5179 | } | |
5180 | ||
5181 | /* Read and convert blkpg->data */ | |
5182 | arg = (abi_long)(uintptr_t)host_blkpg->data; | |
5183 | target_size = thunk_type_size(part_arg_type, 0); | |
5184 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5185 | if (!argptr) { | |
5186 | ret = -TARGET_EFAULT; | |
5187 | goto out; | |
5188 | } | |
5189 | thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST); | |
5190 | unlock_user(argptr, arg, 0); | |
5191 | ||
5192 | /* Swizzle the data pointer to our local copy and call! */ | |
5193 | host_blkpg->data = &host_part; | |
49ca6f3e | 5194 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, host_blkpg)); |
a59b5e35 AG |
5195 | |
5196 | out: | |
5197 | return ret; | |
5198 | } | |
5199 | ||
7ff7b666 | 5200 | static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5201 | int fd, int cmd, abi_long arg) |
7ff7b666 LV |
5202 | { |
5203 | const argtype *arg_type = ie->arg_type; | |
5204 | const StructEntry *se; | |
5205 | const argtype *field_types; | |
5206 | const int *dst_offsets, *src_offsets; | |
5207 | int target_size; | |
5208 | void *argptr; | |
b78c522a MAL |
5209 | abi_ulong *target_rt_dev_ptr = NULL; |
5210 | unsigned long *host_rt_dev_ptr = NULL; | |
7ff7b666 LV |
5211 | abi_long ret; |
5212 | int i; | |
5213 | ||
5214 | assert(ie->access == IOC_W); | |
5215 | assert(*arg_type == TYPE_PTR); | |
5216 | arg_type++; | |
5217 | assert(*arg_type == TYPE_STRUCT); | |
5218 | target_size = thunk_type_size(arg_type, 0); | |
5219 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
5220 | if (!argptr) { | |
5221 | return -TARGET_EFAULT; | |
5222 | } | |
5223 | arg_type++; | |
5224 | assert(*arg_type == (int)STRUCT_rtentry); | |
5225 | se = struct_entries + *arg_type++; | |
5226 | assert(se->convert[0] == NULL); | |
5227 | /* convert struct here to be able to catch rt_dev string */ | |
5228 | field_types = se->field_types; | |
5229 | dst_offsets = se->field_offsets[THUNK_HOST]; | |
5230 | src_offsets = se->field_offsets[THUNK_TARGET]; | |
5231 | for (i = 0; i < se->nb_fields; i++) { | |
5232 | if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { | |
5233 | assert(*field_types == TYPE_PTRVOID); | |
5234 | target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]); | |
5235 | host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); | |
5236 | if (*target_rt_dev_ptr != 0) { | |
5237 | *host_rt_dev_ptr = (unsigned long)lock_user_string( | |
5238 | tswapal(*target_rt_dev_ptr)); | |
5239 | if (!*host_rt_dev_ptr) { | |
5240 | unlock_user(argptr, arg, 0); | |
5241 | return -TARGET_EFAULT; | |
5242 | } | |
5243 | } else { | |
5244 | *host_rt_dev_ptr = 0; | |
5245 | } | |
5246 | field_types++; | |
5247 | continue; | |
5248 | } | |
5249 | field_types = thunk_convert(buf_temp + dst_offsets[i], | |
5250 | argptr + src_offsets[i], | |
5251 | field_types, THUNK_HOST); | |
5252 | } | |
5253 | unlock_user(argptr, arg, 0); | |
5254 | ||
49ca6f3e | 5255 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
b78c522a MAL |
5256 | |
5257 | assert(host_rt_dev_ptr != NULL); | |
5258 | assert(target_rt_dev_ptr != NULL); | |
7ff7b666 LV |
5259 | if (*host_rt_dev_ptr != 0) { |
5260 | unlock_user((void *)*host_rt_dev_ptr, | |
5261 | *target_rt_dev_ptr, 0); | |
5262 | } | |
5263 | return ret; | |
5264 | } | |
5265 | ||
ca56f5b5 | 5266 | static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 5267 | int fd, int cmd, abi_long arg) |
ca56f5b5 PB |
5268 | { |
5269 | int sig = target_to_host_signal(arg); | |
49ca6f3e | 5270 | return get_errno(safe_ioctl(fd, ie->host_cmd, sig)); |
ca56f5b5 PB |
5271 | } |
5272 | ||
6d5d5dde DB |
5273 | static abi_long do_ioctl_SIOCGSTAMP(const IOCTLEntry *ie, uint8_t *buf_temp, |
5274 | int fd, int cmd, abi_long arg) | |
5275 | { | |
5276 | struct timeval tv; | |
5277 | abi_long ret; | |
5278 | ||
5279 | ret = get_errno(safe_ioctl(fd, SIOCGSTAMP, &tv)); | |
5280 | if (is_error(ret)) { | |
5281 | return ret; | |
5282 | } | |
5283 | ||
5284 | if (cmd == (int)TARGET_SIOCGSTAMP_OLD) { | |
5285 | if (copy_to_user_timeval(arg, &tv)) { | |
5286 | return -TARGET_EFAULT; | |
5287 | } | |
5288 | } else { | |
5289 | if (copy_to_user_timeval64(arg, &tv)) { | |
5290 | return -TARGET_EFAULT; | |
5291 | } | |
5292 | } | |
5293 | ||
5294 | return ret; | |
5295 | } | |
5296 | ||
5297 | static abi_long do_ioctl_SIOCGSTAMPNS(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5298 | int fd, int cmd, abi_long arg) | |
5299 | { | |
5300 | struct timespec ts; | |
5301 | abi_long ret; | |
5302 | ||
5303 | ret = get_errno(safe_ioctl(fd, SIOCGSTAMPNS, &ts)); | |
5304 | if (is_error(ret)) { | |
5305 | return ret; | |
5306 | } | |
5307 | ||
5308 | if (cmd == (int)TARGET_SIOCGSTAMPNS_OLD) { | |
5309 | if (host_to_target_timespec(arg, &ts)) { | |
5310 | return -TARGET_EFAULT; | |
5311 | } | |
5312 | } else{ | |
5313 | if (host_to_target_timespec64(arg, &ts)) { | |
5314 | return -TARGET_EFAULT; | |
5315 | } | |
5316 | } | |
5317 | ||
5318 | return ret; | |
5319 | } | |
5320 | ||
2b74f621 AS |
5321 | #ifdef TIOCGPTPEER |
5322 | static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5323 | int fd, int cmd, abi_long arg) | |
5324 | { | |
5325 | int flags = target_to_host_bitmask(arg, fcntl_flags_tbl); | |
5326 | return get_errno(safe_ioctl(fd, ie->host_cmd, flags)); | |
5327 | } | |
5328 | #endif | |
5329 | ||
e865b97f CG |
5330 | #ifdef HAVE_DRM_H |
5331 | ||
5332 | static void unlock_drm_version(struct drm_version *host_ver, | |
5333 | struct target_drm_version *target_ver, | |
5334 | bool copy) | |
5335 | { | |
5336 | unlock_user(host_ver->name, target_ver->name, | |
5337 | copy ? host_ver->name_len : 0); | |
5338 | unlock_user(host_ver->date, target_ver->date, | |
5339 | copy ? host_ver->date_len : 0); | |
5340 | unlock_user(host_ver->desc, target_ver->desc, | |
5341 | copy ? host_ver->desc_len : 0); | |
5342 | } | |
5343 | ||
5344 | static inline abi_long target_to_host_drmversion(struct drm_version *host_ver, | |
5345 | struct target_drm_version *target_ver) | |
5346 | { | |
5347 | memset(host_ver, 0, sizeof(*host_ver)); | |
5348 | ||
5349 | __get_user(host_ver->name_len, &target_ver->name_len); | |
5350 | if (host_ver->name_len) { | |
5351 | host_ver->name = lock_user(VERIFY_WRITE, target_ver->name, | |
5352 | target_ver->name_len, 0); | |
5353 | if (!host_ver->name) { | |
5354 | return -EFAULT; | |
5355 | } | |
5356 | } | |
5357 | ||
5358 | __get_user(host_ver->date_len, &target_ver->date_len); | |
5359 | if (host_ver->date_len) { | |
5360 | host_ver->date = lock_user(VERIFY_WRITE, target_ver->date, | |
5361 | target_ver->date_len, 0); | |
5362 | if (!host_ver->date) { | |
5363 | goto err; | |
5364 | } | |
5365 | } | |
5366 | ||
5367 | __get_user(host_ver->desc_len, &target_ver->desc_len); | |
5368 | if (host_ver->desc_len) { | |
5369 | host_ver->desc = lock_user(VERIFY_WRITE, target_ver->desc, | |
5370 | target_ver->desc_len, 0); | |
5371 | if (!host_ver->desc) { | |
5372 | goto err; | |
5373 | } | |
5374 | } | |
5375 | ||
5376 | return 0; | |
5377 | err: | |
5378 | unlock_drm_version(host_ver, target_ver, false); | |
5379 | return -EFAULT; | |
5380 | } | |
5381 | ||
5382 | static inline void host_to_target_drmversion( | |
5383 | struct target_drm_version *target_ver, | |
5384 | struct drm_version *host_ver) | |
5385 | { | |
5386 | __put_user(host_ver->version_major, &target_ver->version_major); | |
5387 | __put_user(host_ver->version_minor, &target_ver->version_minor); | |
5388 | __put_user(host_ver->version_patchlevel, &target_ver->version_patchlevel); | |
5389 | __put_user(host_ver->name_len, &target_ver->name_len); | |
5390 | __put_user(host_ver->date_len, &target_ver->date_len); | |
5391 | __put_user(host_ver->desc_len, &target_ver->desc_len); | |
5392 | unlock_drm_version(host_ver, target_ver, true); | |
5393 | } | |
5394 | ||
5395 | static abi_long do_ioctl_drm(const IOCTLEntry *ie, uint8_t *buf_temp, | |
5396 | int fd, int cmd, abi_long arg) | |
5397 | { | |
5398 | struct drm_version *ver; | |
5399 | struct target_drm_version *target_ver; | |
5400 | abi_long ret; | |
5401 | ||
5402 | switch (ie->host_cmd) { | |
5403 | case DRM_IOCTL_VERSION: | |
5404 | if (!lock_user_struct(VERIFY_WRITE, target_ver, arg, 0)) { | |
5405 | return -TARGET_EFAULT; | |
5406 | } | |
5407 | ver = (struct drm_version *)buf_temp; | |
5408 | ret = target_to_host_drmversion(ver, target_ver); | |
5409 | if (!is_error(ret)) { | |
5410 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, ver)); | |
5411 | if (is_error(ret)) { | |
5412 | unlock_drm_version(ver, target_ver, false); | |
5413 | } else { | |
5414 | host_to_target_drmversion(target_ver, ver); | |
5415 | } | |
5416 | } | |
5417 | unlock_user_struct(target_ver, arg, 0); | |
5418 | return ret; | |
5419 | } | |
5420 | return -TARGET_ENOSYS; | |
5421 | } | |
5422 | ||
5423 | #endif | |
5424 | ||
79482e59 | 5425 | IOCTLEntry ioctl_entries[] = { |
001faf32 | 5426 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
5427 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
5428 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
5429 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
8cb762fe HD |
5430 | #define IOCTL_IGNORE(cmd) \ |
5431 | { TARGET_ ## cmd, 0, #cmd }, | |
31e31b8a FB |
5432 | #include "ioctls.h" |
5433 | { 0, 0, }, | |
5434 | }; | |
5435 | ||
53a5960a | 5436 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 5437 | /* do_ioctl() Must return target values and target errnos. */ |
45c874eb | 5438 | static abi_long do_ioctl(int fd, int cmd, abi_long arg) |
31e31b8a FB |
5439 | { |
5440 | const IOCTLEntry *ie; | |
5441 | const argtype *arg_type; | |
992f48a0 | 5442 | abi_long ret; |
31e31b8a | 5443 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
5444 | int target_size; |
5445 | void *argptr; | |
31e31b8a FB |
5446 | |
5447 | ie = ioctl_entries; | |
5448 | for(;;) { | |
5449 | if (ie->target_cmd == 0) { | |
39be5350 JK |
5450 | qemu_log_mask( |
5451 | LOG_UNIMP, "Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); | |
0da46a6e | 5452 | return -TARGET_ENOSYS; |
31e31b8a FB |
5453 | } |
5454 | if (ie->target_cmd == cmd) | |
5455 | break; | |
5456 | ie++; | |
5457 | } | |
5458 | arg_type = ie->arg_type; | |
d2ef05bb PM |
5459 | if (ie->do_ioctl) { |
5460 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
8cb762fe HD |
5461 | } else if (!ie->host_cmd) { |
5462 | /* Some architectures define BSD ioctls in their headers | |
5463 | that are not implemented in Linux. */ | |
5464 | return -TARGET_ENOSYS; | |
d2ef05bb PM |
5465 | } |
5466 | ||
31e31b8a FB |
5467 | switch(arg_type[0]) { |
5468 | case TYPE_NULL: | |
5469 | /* no argument */ | |
49ca6f3e | 5470 | ret = get_errno(safe_ioctl(fd, ie->host_cmd)); |
31e31b8a FB |
5471 | break; |
5472 | case TYPE_PTRVOID: | |
5473 | case TYPE_INT: | |
c858e537 FB |
5474 | case TYPE_LONG: |
5475 | case TYPE_ULONG: | |
49ca6f3e | 5476 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, arg)); |
31e31b8a FB |
5477 | break; |
5478 | case TYPE_PTR: | |
5479 | arg_type++; | |
53a5960a | 5480 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
5481 | switch(ie->access) { |
5482 | case IOC_R: | |
49ca6f3e | 5483 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 5484 | if (!is_error(ret)) { |
579a97f7 FB |
5485 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
5486 | if (!argptr) | |
5487 | return -TARGET_EFAULT; | |
53a5960a PB |
5488 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
5489 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
5490 | } |
5491 | break; | |
5492 | case IOC_W: | |
579a97f7 FB |
5493 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
5494 | if (!argptr) | |
5495 | return -TARGET_EFAULT; | |
53a5960a PB |
5496 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
5497 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 5498 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a FB |
5499 | break; |
5500 | default: | |
5501 | case IOC_RW: | |
579a97f7 FB |
5502 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
5503 | if (!argptr) | |
5504 | return -TARGET_EFAULT; | |
53a5960a PB |
5505 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
5506 | unlock_user(argptr, arg, 0); | |
49ca6f3e | 5507 | ret = get_errno(safe_ioctl(fd, ie->host_cmd, buf_temp)); |
31e31b8a | 5508 | if (!is_error(ret)) { |
579a97f7 FB |
5509 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
5510 | if (!argptr) | |
5511 | return -TARGET_EFAULT; | |
53a5960a PB |
5512 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
5513 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
5514 | } |
5515 | break; | |
5516 | } | |
5517 | break; | |
5518 | default: | |
39be5350 JK |
5519 | qemu_log_mask(LOG_UNIMP, |
5520 | "Unsupported ioctl type: cmd=0x%04lx type=%d\n", | |
5521 | (long)cmd, arg_type[0]); | |
0da46a6e | 5522 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
5523 | break; |
5524 | } | |
5525 | return ret; | |
5526 | } | |
5527 | ||
b39bc503 | 5528 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
5529 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
5530 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
5531 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
5532 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
5533 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
5534 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
5535 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
5536 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
5537 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
5538 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
5539 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
5540 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
5541 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
5542 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
5543 | { 0, 0, 0, 0 } | |
5544 | }; | |
5545 | ||
b39bc503 | 5546 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
5547 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
5548 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
5549 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
5550 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
5551 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
5552 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
5553 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
5554 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
5555 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
5556 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
5557 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
5558 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
5559 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
5560 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
5561 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
5562 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
5563 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
5564 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
5565 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
5566 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
5567 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
5568 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
5569 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
5570 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
5571 | { 0, 0, 0, 0 } | |
5572 | }; | |
5573 | ||
b39bc503 | 5574 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
5575 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
5576 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
5577 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
5578 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
5579 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
5580 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
5581 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
5582 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
5583 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
5584 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
5585 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
5586 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
5587 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
5588 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
5589 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
5590 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
5591 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
5592 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
5593 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
5594 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
5595 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
5596 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
5597 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
5598 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
5599 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
5600 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
5601 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
5602 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
5603 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
5604 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
5605 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
5606 | { 0, 0, 0, 0 } | |
5607 | }; | |
5608 | ||
b39bc503 | 5609 | static const bitmask_transtbl lflag_tbl[] = { |
31e31b8a FB |
5610 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
5611 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
5612 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
5613 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
5614 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
5615 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
5616 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
5617 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
5618 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
5619 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
5620 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
5621 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
5622 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
5623 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
5624 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
5625 | { 0, 0, 0, 0 } | |
5626 | }; | |
5627 | ||
5628 | static void target_to_host_termios (void *dst, const void *src) | |
5629 | { | |
5630 | struct host_termios *host = dst; | |
5631 | const struct target_termios *target = src; | |
3b46e624 | 5632 | |
5fafdf24 | 5633 | host->c_iflag = |
31e31b8a | 5634 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 5635 | host->c_oflag = |
31e31b8a | 5636 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 5637 | host->c_cflag = |
31e31b8a | 5638 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 5639 | host->c_lflag = |
31e31b8a FB |
5640 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
5641 | host->c_line = target->c_line; | |
3b46e624 | 5642 | |
44607123 | 5643 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
5644 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
5645 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 5646 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 5647 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 5648 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 5649 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 5650 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 5651 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 5652 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
5653 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
5654 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
5655 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
5656 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
5657 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
5658 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
5659 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 5660 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 5661 | } |
3b46e624 | 5662 | |
31e31b8a FB |
5663 | static void host_to_target_termios (void *dst, const void *src) |
5664 | { | |
5665 | struct target_termios *target = dst; | |
5666 | const struct host_termios *host = src; | |
5667 | ||
5fafdf24 | 5668 | target->c_iflag = |
31e31b8a | 5669 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 5670 | target->c_oflag = |
31e31b8a | 5671 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 5672 | target->c_cflag = |
31e31b8a | 5673 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 5674 | target->c_lflag = |
31e31b8a FB |
5675 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
5676 | target->c_line = host->c_line; | |
3b46e624 | 5677 | |
44607123 | 5678 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
5679 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
5680 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
5681 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
5682 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
5683 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
5684 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
5685 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
5686 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
5687 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
5688 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
5689 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
5690 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
5691 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
5692 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
5693 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
5694 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
5695 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
5696 | } | |
5697 | ||
8e853dc7 | 5698 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
5699 | .convert = { host_to_target_termios, target_to_host_termios }, |
5700 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
5701 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
5702 | }; | |
5703 | ||
5286db75 | 5704 | static bitmask_transtbl mmap_flags_tbl[] = { |
541e1690 HD |
5705 | { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, |
5706 | { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, | |
5707 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, | |
5708 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, | |
5709 | MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
5710 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, | |
5711 | MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
5712 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, | |
5713 | MAP_DENYWRITE, MAP_DENYWRITE }, | |
5714 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, | |
5715 | MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
5716 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
5717 | { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, | |
5718 | MAP_NORESERVE, MAP_NORESERVE }, | |
5719 | { TARGET_MAP_HUGETLB, TARGET_MAP_HUGETLB, MAP_HUGETLB, MAP_HUGETLB }, | |
5720 | /* MAP_STACK had been ignored by the kernel for quite some time. | |
5721 | Recognize it for the target insofar as we do not want to pass | |
5722 | it through to the host. */ | |
5723 | { TARGET_MAP_STACK, TARGET_MAP_STACK, 0, 0 }, | |
5724 | { 0, 0, 0, 0 } | |
5286db75 FB |
5725 | }; |
5726 | ||
9d12f79d LV |
5727 | /* |
5728 | * NOTE: TARGET_ABI32 is defined for TARGET_I386 (but not for TARGET_X86_64) | |
5729 | * TARGET_I386 is defined if TARGET_X86_64 is defined | |
5730 | */ | |
2ab83ea7 | 5731 | #if defined(TARGET_I386) |
6dbad63e FB |
5732 | |
5733 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 5734 | static uint8_t *ldt_table; |
6dbad63e | 5735 | |
03acab66 | 5736 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
5737 | { |
5738 | int size; | |
53a5960a | 5739 | void *p; |
6dbad63e FB |
5740 | |
5741 | if (!ldt_table) | |
5742 | return 0; | |
5743 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
5744 | if (size > bytecount) | |
5745 | size = bytecount; | |
579a97f7 FB |
5746 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
5747 | if (!p) | |
03acab66 | 5748 | return -TARGET_EFAULT; |
579a97f7 | 5749 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
5750 | memcpy(p, ldt_table, size); |
5751 | unlock_user(p, ptr, size); | |
6dbad63e FB |
5752 | return size; |
5753 | } | |
5754 | ||
5755 | /* XXX: add locking support */ | |
03acab66 FB |
5756 | static abi_long write_ldt(CPUX86State *env, |
5757 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
5758 | { |
5759 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 5760 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 5761 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 5762 | int seg_not_present, useable, lm; |
6dbad63e FB |
5763 | uint32_t *lp, entry_1, entry_2; |
5764 | ||
5765 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 5766 | return -TARGET_EINVAL; |
579a97f7 | 5767 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 5768 | return -TARGET_EFAULT; |
53a5960a | 5769 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 5770 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
5771 | ldt_info.limit = tswap32(target_ldt_info->limit); |
5772 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
5773 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 5774 | |
6dbad63e | 5775 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 5776 | return -TARGET_EINVAL; |
6dbad63e FB |
5777 | seg_32bit = ldt_info.flags & 1; |
5778 | contents = (ldt_info.flags >> 1) & 3; | |
5779 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
5780 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
5781 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
5782 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
5783 | #ifdef TARGET_ABI32 |
5784 | lm = 0; | |
5785 | #else | |
5786 | lm = (ldt_info.flags >> 7) & 1; | |
5787 | #endif | |
6dbad63e FB |
5788 | if (contents == 3) { |
5789 | if (oldmode) | |
03acab66 | 5790 | return -TARGET_EINVAL; |
6dbad63e | 5791 | if (seg_not_present == 0) |
03acab66 | 5792 | return -TARGET_EINVAL; |
6dbad63e FB |
5793 | } |
5794 | /* allocate the LDT */ | |
5795 | if (!ldt_table) { | |
e441570f AZ |
5796 | env->ldt.base = target_mmap(0, |
5797 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
5798 | PROT_READ|PROT_WRITE, | |
5799 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
5800 | if (env->ldt.base == -1) | |
03acab66 | 5801 | return -TARGET_ENOMEM; |
e441570f AZ |
5802 | memset(g2h(env->ldt.base), 0, |
5803 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); | |
6dbad63e | 5804 | env->ldt.limit = 0xffff; |
e441570f | 5805 | ldt_table = g2h(env->ldt.base); |
6dbad63e FB |
5806 | } |
5807 | ||
5808 | /* NOTE: same code as Linux kernel */ | |
5809 | /* Allow LDTs to be cleared by the user. */ | |
5810 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
5811 | if (oldmode || | |
5812 | (contents == 0 && | |
5813 | read_exec_only == 1 && | |
5814 | seg_32bit == 0 && | |
5815 | limit_in_pages == 0 && | |
5816 | seg_not_present == 1 && | |
5817 | useable == 0 )) { | |
5818 | entry_1 = 0; | |
5819 | entry_2 = 0; | |
5820 | goto install; | |
5821 | } | |
5822 | } | |
3b46e624 | 5823 | |
6dbad63e FB |
5824 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
5825 | (ldt_info.limit & 0x0ffff); | |
5826 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
5827 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
5828 | (ldt_info.limit & 0xf0000) | | |
5829 | ((read_exec_only ^ 1) << 9) | | |
5830 | (contents << 10) | | |
5831 | ((seg_not_present ^ 1) << 15) | | |
5832 | (seg_32bit << 22) | | |
5833 | (limit_in_pages << 23) | | |
8d18e893 | 5834 | (lm << 21) | |
6dbad63e FB |
5835 | 0x7000; |
5836 | if (!oldmode) | |
5837 | entry_2 |= (useable << 20); | |
14ae3ba7 | 5838 | |
6dbad63e FB |
5839 | /* Install the new entry ... */ |
5840 | install: | |
5841 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
5842 | lp[0] = tswap32(entry_1); | |
5843 | lp[1] = tswap32(entry_2); | |
5844 | return 0; | |
5845 | } | |
5846 | ||
5847 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
5848 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
5849 | unsigned long bytecount) | |
6dbad63e | 5850 | { |
03acab66 | 5851 | abi_long ret; |
3b46e624 | 5852 | |
6dbad63e FB |
5853 | switch (func) { |
5854 | case 0: | |
5855 | ret = read_ldt(ptr, bytecount); | |
5856 | break; | |
5857 | case 1: | |
5858 | ret = write_ldt(env, ptr, bytecount, 1); | |
5859 | break; | |
5860 | case 0x11: | |
5861 | ret = write_ldt(env, ptr, bytecount, 0); | |
5862 | break; | |
03acab66 FB |
5863 | default: |
5864 | ret = -TARGET_ENOSYS; | |
5865 | break; | |
6dbad63e FB |
5866 | } |
5867 | return ret; | |
5868 | } | |
1b6b029e | 5869 | |
9d12f79d | 5870 | #if defined(TARGET_ABI32) |
bc22eb44 | 5871 | abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
5872 | { |
5873 | uint64_t *gdt_table = g2h(env->gdt.base); | |
5874 | struct target_modify_ldt_ldt_s ldt_info; | |
5875 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
5876 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
5877 | int seg_not_present, useable, lm; | |
5878 | uint32_t *lp, entry_1, entry_2; | |
5879 | int i; | |
5880 | ||
5881 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
5882 | if (!target_ldt_info) | |
5883 | return -TARGET_EFAULT; | |
5884 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 5885 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
5886 | ldt_info.limit = tswap32(target_ldt_info->limit); |
5887 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
5888 | if (ldt_info.entry_number == -1) { | |
5889 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
5890 | if (gdt_table[i] == 0) { | |
5891 | ldt_info.entry_number = i; | |
5892 | target_ldt_info->entry_number = tswap32(i); | |
5893 | break; | |
5894 | } | |
5895 | } | |
5896 | } | |
5897 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5898 | ||
5899 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
5900 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
5901 | return -TARGET_EINVAL; | |
5902 | seg_32bit = ldt_info.flags & 1; | |
5903 | contents = (ldt_info.flags >> 1) & 3; | |
5904 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
5905 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
5906 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
5907 | useable = (ldt_info.flags >> 6) & 1; | |
5908 | #ifdef TARGET_ABI32 | |
5909 | lm = 0; | |
5910 | #else | |
5911 | lm = (ldt_info.flags >> 7) & 1; | |
5912 | #endif | |
5913 | ||
5914 | if (contents == 3) { | |
5915 | if (seg_not_present == 0) | |
5916 | return -TARGET_EINVAL; | |
5917 | } | |
5918 | ||
5919 | /* NOTE: same code as Linux kernel */ | |
5920 | /* Allow LDTs to be cleared by the user. */ | |
5921 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
5922 | if ((contents == 0 && | |
5923 | read_exec_only == 1 && | |
5924 | seg_32bit == 0 && | |
5925 | limit_in_pages == 0 && | |
5926 | seg_not_present == 1 && | |
5927 | useable == 0 )) { | |
5928 | entry_1 = 0; | |
5929 | entry_2 = 0; | |
5930 | goto install; | |
5931 | } | |
5932 | } | |
5933 | ||
5934 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
5935 | (ldt_info.limit & 0x0ffff); | |
5936 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
5937 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
5938 | (ldt_info.limit & 0xf0000) | | |
5939 | ((read_exec_only ^ 1) << 9) | | |
5940 | (contents << 10) | | |
5941 | ((seg_not_present ^ 1) << 15) | | |
5942 | (seg_32bit << 22) | | |
5943 | (limit_in_pages << 23) | | |
5944 | (useable << 20) | | |
5945 | (lm << 21) | | |
5946 | 0x7000; | |
5947 | ||
5948 | /* Install the new entry ... */ | |
5949 | install: | |
5950 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
5951 | lp[0] = tswap32(entry_1); | |
5952 | lp[1] = tswap32(entry_2); | |
5953 | return 0; | |
5954 | } | |
5955 | ||
8fcd3692 | 5956 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
5957 | { |
5958 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
5959 | uint64_t *gdt_table = g2h(env->gdt.base); | |
5960 | uint32_t base_addr, limit, flags; | |
5961 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
5962 | int seg_not_present, useable, lm; | |
5963 | uint32_t *lp, entry_1, entry_2; | |
5964 | ||
5965 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
5966 | if (!target_ldt_info) | |
5967 | return -TARGET_EFAULT; | |
5968 | idx = tswap32(target_ldt_info->entry_number); | |
5969 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
5970 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
5971 | unlock_user_struct(target_ldt_info, ptr, 1); | |
5972 | return -TARGET_EINVAL; | |
5973 | } | |
5974 | lp = (uint32_t *)(gdt_table + idx); | |
5975 | entry_1 = tswap32(lp[0]); | |
5976 | entry_2 = tswap32(lp[1]); | |
5977 | ||
5978 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
5979 | contents = (entry_2 >> 10) & 3; | |
5980 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
5981 | seg_32bit = (entry_2 >> 22) & 1; | |
5982 | limit_in_pages = (entry_2 >> 23) & 1; | |
5983 | useable = (entry_2 >> 20) & 1; | |
5984 | #ifdef TARGET_ABI32 | |
5985 | lm = 0; | |
5986 | #else | |
5987 | lm = (entry_2 >> 21) & 1; | |
5988 | #endif | |
5989 | flags = (seg_32bit << 0) | (contents << 1) | | |
5990 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
5991 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
5992 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
5993 | base_addr = (entry_1 >> 16) | | |
5994 | (entry_2 & 0xff000000) | | |
5995 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 5996 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
5997 | target_ldt_info->limit = tswap32(limit); |
5998 | target_ldt_info->flags = tswap32(flags); | |
5999 | unlock_user_struct(target_ldt_info, ptr, 1); | |
6000 | return 0; | |
6001 | } | |
6002 | ||
9d12f79d LV |
6003 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
6004 | { | |
538fabcb | 6005 | return -TARGET_ENOSYS; |
9d12f79d LV |
6006 | } |
6007 | #else | |
2667e71c | 6008 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 6009 | { |
1add8698 | 6010 | abi_long ret = 0; |
d2fd1af7 FB |
6011 | abi_ulong val; |
6012 | int idx; | |
1add8698 | 6013 | |
d2fd1af7 FB |
6014 | switch(code) { |
6015 | case TARGET_ARCH_SET_GS: | |
6016 | case TARGET_ARCH_SET_FS: | |
6017 | if (code == TARGET_ARCH_SET_GS) | |
6018 | idx = R_GS; | |
6019 | else | |
6020 | idx = R_FS; | |
6021 | cpu_x86_load_seg(env, idx, 0); | |
6022 | env->segs[idx].base = addr; | |
6023 | break; | |
6024 | case TARGET_ARCH_GET_GS: | |
6025 | case TARGET_ARCH_GET_FS: | |
6026 | if (code == TARGET_ARCH_GET_GS) | |
6027 | idx = R_GS; | |
6028 | else | |
6029 | idx = R_FS; | |
6030 | val = env->segs[idx].base; | |
6031 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 6032 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
6033 | break; |
6034 | default: | |
6035 | ret = -TARGET_EINVAL; | |
6036 | break; | |
6037 | } | |
1add8698 | 6038 | return ret; |
d2fd1af7 | 6039 | } |
9d12f79d | 6040 | #endif /* defined(TARGET_ABI32 */ |
d2fd1af7 | 6041 | |
2ab83ea7 FB |
6042 | #endif /* defined(TARGET_I386) */ |
6043 | ||
05098a93 | 6044 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 6045 | |
d865bab5 PB |
6046 | |
6047 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
6048 | typedef struct { | |
9349b4f9 | 6049 | CPUArchState *env; |
d865bab5 PB |
6050 | pthread_mutex_t mutex; |
6051 | pthread_cond_t cond; | |
6052 | pthread_t thread; | |
6053 | uint32_t tid; | |
6054 | abi_ulong child_tidptr; | |
6055 | abi_ulong parent_tidptr; | |
6056 | sigset_t sigmask; | |
6057 | } new_thread_info; | |
6058 | ||
6059 | static void *clone_func(void *arg) | |
6060 | { | |
6061 | new_thread_info *info = arg; | |
9349b4f9 | 6062 | CPUArchState *env; |
0d34282f | 6063 | CPUState *cpu; |
edf8e2af | 6064 | TaskState *ts; |
d865bab5 | 6065 | |
70903763 | 6066 | rcu_register_thread(); |
3468b59e | 6067 | tcg_register_thread(); |
d865bab5 | 6068 | env = info->env; |
29a0af61 | 6069 | cpu = env_cpu(env); |
a2247f8e | 6070 | thread_cpu = cpu; |
0429a971 | 6071 | ts = (TaskState *)cpu->opaque; |
71ba74f6 | 6072 | info->tid = sys_gettid(); |
edf8e2af | 6073 | task_settid(ts); |
d865bab5 PB |
6074 | if (info->child_tidptr) |
6075 | put_user_u32(info->tid, info->child_tidptr); | |
6076 | if (info->parent_tidptr) | |
6077 | put_user_u32(info->tid, info->parent_tidptr); | |
5ebdd774 | 6078 | qemu_guest_random_seed_thread_part2(cpu->random_seed); |
d865bab5 PB |
6079 | /* Enable signals. */ |
6080 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
6081 | /* Signal to the parent that we're ready. */ | |
6082 | pthread_mutex_lock(&info->mutex); | |
6083 | pthread_cond_broadcast(&info->cond); | |
6084 | pthread_mutex_unlock(&info->mutex); | |
a4dd3d51 | 6085 | /* Wait until the parent has finished initializing the tls state. */ |
d865bab5 PB |
6086 | pthread_mutex_lock(&clone_lock); |
6087 | pthread_mutex_unlock(&clone_lock); | |
6088 | cpu_loop(env); | |
6089 | /* never exits */ | |
6090 | return NULL; | |
6091 | } | |
1b6b029e | 6092 | |
0da46a6e TS |
6093 | /* do_fork() Must return host values and target errnos (unlike most |
6094 | do_*() functions). */ | |
9349b4f9 | 6095 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
6096 | abi_ulong parent_tidptr, target_ulong newtls, |
6097 | abi_ulong child_tidptr) | |
1b6b029e | 6098 | { |
29a0af61 | 6099 | CPUState *cpu = env_cpu(env); |
1b6b029e | 6100 | int ret; |
5cd4393b | 6101 | TaskState *ts; |
0429a971 | 6102 | CPUState *new_cpu; |
9349b4f9 | 6103 | CPUArchState *new_env; |
d865bab5 | 6104 | sigset_t sigmask; |
3b46e624 | 6105 | |
5ea2fc84 PM |
6106 | flags &= ~CLONE_IGNORED_FLAGS; |
6107 | ||
436d124b AZ |
6108 | /* Emulate vfork() with fork() */ |
6109 | if (flags & CLONE_VFORK) | |
6110 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
6111 | ||
1b6b029e | 6112 | if (flags & CLONE_VM) { |
0429a971 | 6113 | TaskState *parent_ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
6114 | new_thread_info info; |
6115 | pthread_attr_t attr; | |
24cb36a6 | 6116 | |
5ea2fc84 PM |
6117 | if (((flags & CLONE_THREAD_FLAGS) != CLONE_THREAD_FLAGS) || |
6118 | (flags & CLONE_INVALID_THREAD_FLAGS)) { | |
6119 | return -TARGET_EINVAL; | |
6120 | } | |
6121 | ||
c78d65e8 | 6122 | ts = g_new0(TaskState, 1); |
624f7979 | 6123 | init_task_state(ts); |
73a988d9 MF |
6124 | |
6125 | /* Grab a mutex so that thread setup appears atomic. */ | |
6126 | pthread_mutex_lock(&clone_lock); | |
6127 | ||
1b6b029e | 6128 | /* we create a new CPU instance. */ |
c5be9f08 | 6129 | new_env = cpu_copy(env); |
6e68e076 | 6130 | /* Init regs that differ from the parent. */ |
608999d1 | 6131 | cpu_clone_regs_child(new_env, newsp, flags); |
07a6ecf4 | 6132 | cpu_clone_regs_parent(env, flags); |
29a0af61 | 6133 | new_cpu = env_cpu(new_env); |
0429a971 | 6134 | new_cpu->opaque = ts; |
edf8e2af MW |
6135 | ts->bprm = parent_ts->bprm; |
6136 | ts->info = parent_ts->info; | |
3d3efba0 | 6137 | ts->signal_mask = parent_ts->signal_mask; |
d865bab5 | 6138 | |
7cfbd386 | 6139 | if (flags & CLONE_CHILD_CLEARTID) { |
c2764719 PB |
6140 | ts->child_tidptr = child_tidptr; |
6141 | } | |
6142 | ||
7cfbd386 | 6143 | if (flags & CLONE_SETTLS) { |
d865bab5 | 6144 | cpu_set_tls (new_env, newtls); |
7cfbd386 | 6145 | } |
d865bab5 | 6146 | |
d865bab5 PB |
6147 | memset(&info, 0, sizeof(info)); |
6148 | pthread_mutex_init(&info.mutex, NULL); | |
6149 | pthread_mutex_lock(&info.mutex); | |
6150 | pthread_cond_init(&info.cond, NULL); | |
6151 | info.env = new_env; | |
7cfbd386 | 6152 | if (flags & CLONE_CHILD_SETTID) { |
d865bab5 | 6153 | info.child_tidptr = child_tidptr; |
7cfbd386 PM |
6154 | } |
6155 | if (flags & CLONE_PARENT_SETTID) { | |
d865bab5 | 6156 | info.parent_tidptr = parent_tidptr; |
7cfbd386 | 6157 | } |
d865bab5 PB |
6158 | |
6159 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
6160 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
6161 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
6162 | /* It is not safe to deliver signals until the child has finished |
6163 | initializing, so temporarily block all signals. */ | |
6164 | sigfillset(&sigmask); | |
6165 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
5ebdd774 | 6166 | cpu->random_seed = qemu_guest_random_seed_thread_part1(); |
d865bab5 | 6167 | |
b67cb68b AB |
6168 | /* If this is our first additional thread, we need to ensure we |
6169 | * generate code for parallel execution and flush old translations. | |
6170 | */ | |
6171 | if (!parallel_cpus) { | |
6172 | parallel_cpus = true; | |
6173 | tb_flush(cpu); | |
6174 | } | |
6175 | ||
d865bab5 | 6176 | ret = pthread_create(&info.thread, &attr, clone_func, &info); |
c2764719 | 6177 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
6178 | |
6179 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
6180 | pthread_attr_destroy(&attr); | |
6181 | if (ret == 0) { | |
6182 | /* Wait for the child to initialize. */ | |
6183 | pthread_cond_wait(&info.cond, &info.mutex); | |
6184 | ret = info.tid; | |
d865bab5 PB |
6185 | } else { |
6186 | ret = -1; | |
6187 | } | |
6188 | pthread_mutex_unlock(&info.mutex); | |
6189 | pthread_cond_destroy(&info.cond); | |
6190 | pthread_mutex_destroy(&info.mutex); | |
6191 | pthread_mutex_unlock(&clone_lock); | |
1b6b029e FB |
6192 | } else { |
6193 | /* if no CLONE_VM, we consider it is a fork */ | |
5ea2fc84 PM |
6194 | if (flags & CLONE_INVALID_FORK_FLAGS) { |
6195 | return -TARGET_EINVAL; | |
6196 | } | |
6197 | ||
6198 | /* We can't support custom termination signals */ | |
6199 | if ((flags & CSIGNAL) != TARGET_SIGCHLD) { | |
93b4eff8 TB |
6200 | return -TARGET_EINVAL; |
6201 | } | |
7d92d34e TB |
6202 | |
6203 | if (block_signals()) { | |
6204 | return -TARGET_ERESTARTSYS; | |
6205 | } | |
6206 | ||
d865bab5 | 6207 | fork_start(); |
1b6b029e | 6208 | ret = fork(); |
d865bab5 | 6209 | if (ret == 0) { |
2b1319c8 | 6210 | /* Child Process. */ |
608999d1 | 6211 | cpu_clone_regs_child(env, newsp, flags); |
d865bab5 | 6212 | fork_end(1); |
2b1319c8 AJ |
6213 | /* There is a race condition here. The parent process could |
6214 | theoretically read the TID in the child process before the child | |
6215 | tid is set. This would require using either ptrace | |
6216 | (not implemented) or having *_tidptr to point at a shared memory | |
6217 | mapping. We can't repeat the spinlock hack used above because | |
6218 | the child process gets its own copy of the lock. */ | |
d865bab5 | 6219 | if (flags & CLONE_CHILD_SETTID) |
71ba74f6 | 6220 | put_user_u32(sys_gettid(), child_tidptr); |
d865bab5 | 6221 | if (flags & CLONE_PARENT_SETTID) |
71ba74f6 | 6222 | put_user_u32(sys_gettid(), parent_tidptr); |
0429a971 | 6223 | ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
6224 | if (flags & CLONE_SETTLS) |
6225 | cpu_set_tls (env, newtls); | |
c2764719 PB |
6226 | if (flags & CLONE_CHILD_CLEARTID) |
6227 | ts->child_tidptr = child_tidptr; | |
d865bab5 | 6228 | } else { |
07a6ecf4 | 6229 | cpu_clone_regs_parent(env, flags); |
d865bab5 PB |
6230 | fork_end(0); |
6231 | } | |
1b6b029e FB |
6232 | } |
6233 | return ret; | |
6234 | } | |
6235 | ||
5f106811 APR |
6236 | /* warning : doesn't handle linux specific flags... */ |
6237 | static int target_to_host_fcntl_cmd(int cmd) | |
6238 | { | |
4a545761 SB |
6239 | int ret; |
6240 | ||
5f106811 | 6241 | switch(cmd) { |
4a545761 SB |
6242 | case TARGET_F_DUPFD: |
6243 | case TARGET_F_GETFD: | |
6244 | case TARGET_F_SETFD: | |
6245 | case TARGET_F_GETFL: | |
6246 | case TARGET_F_SETFL: | |
2d92c682 AS |
6247 | case TARGET_F_OFD_GETLK: |
6248 | case TARGET_F_OFD_SETLK: | |
6249 | case TARGET_F_OFD_SETLKW: | |
4a545761 SB |
6250 | ret = cmd; |
6251 | break; | |
6252 | case TARGET_F_GETLK: | |
6253 | ret = F_GETLK64; | |
6254 | break; | |
6255 | case TARGET_F_SETLK: | |
6256 | ret = F_SETLK64; | |
6257 | break; | |
6258 | case TARGET_F_SETLKW: | |
6259 | ret = F_SETLKW64; | |
6260 | break; | |
6261 | case TARGET_F_GETOWN: | |
6262 | ret = F_GETOWN; | |
6263 | break; | |
6264 | case TARGET_F_SETOWN: | |
6265 | ret = F_SETOWN; | |
6266 | break; | |
6267 | case TARGET_F_GETSIG: | |
6268 | ret = F_GETSIG; | |
6269 | break; | |
6270 | case TARGET_F_SETSIG: | |
6271 | ret = F_SETSIG; | |
6272 | break; | |
5f106811 | 6273 | #if TARGET_ABI_BITS == 32 |
4a545761 SB |
6274 | case TARGET_F_GETLK64: |
6275 | ret = F_GETLK64; | |
6276 | break; | |
6277 | case TARGET_F_SETLK64: | |
6278 | ret = F_SETLK64; | |
6279 | break; | |
6280 | case TARGET_F_SETLKW64: | |
6281 | ret = F_SETLKW64; | |
6282 | break; | |
5f106811 | 6283 | #endif |
4a545761 SB |
6284 | case TARGET_F_SETLEASE: |
6285 | ret = F_SETLEASE; | |
6286 | break; | |
6287 | case TARGET_F_GETLEASE: | |
6288 | ret = F_GETLEASE; | |
6289 | break; | |
fbd5de9b | 6290 | #ifdef F_DUPFD_CLOEXEC |
4a545761 SB |
6291 | case TARGET_F_DUPFD_CLOEXEC: |
6292 | ret = F_DUPFD_CLOEXEC; | |
6293 | break; | |
fbd5de9b | 6294 | #endif |
4a545761 SB |
6295 | case TARGET_F_NOTIFY: |
6296 | ret = F_NOTIFY; | |
6297 | break; | |
8d5d3004 | 6298 | #ifdef F_GETOWN_EX |
4a545761 SB |
6299 | case TARGET_F_GETOWN_EX: |
6300 | ret = F_GETOWN_EX; | |
6301 | break; | |
8d5d3004 AS |
6302 | #endif |
6303 | #ifdef F_SETOWN_EX | |
4a545761 SB |
6304 | case TARGET_F_SETOWN_EX: |
6305 | ret = F_SETOWN_EX; | |
6306 | break; | |
8d5d3004 | 6307 | #endif |
ddf31aa8 | 6308 | #ifdef F_SETPIPE_SZ |
4a545761 SB |
6309 | case TARGET_F_SETPIPE_SZ: |
6310 | ret = F_SETPIPE_SZ; | |
6311 | break; | |
6312 | case TARGET_F_GETPIPE_SZ: | |
6313 | ret = F_GETPIPE_SZ; | |
6314 | break; | |
ddf31aa8 | 6315 | #endif |
4a545761 SB |
6316 | default: |
6317 | ret = -TARGET_EINVAL; | |
6318 | break; | |
6319 | } | |
6320 | ||
6321 | #if defined(__powerpc64__) | |
6322 | /* On PPC64, glibc headers has the F_*LK* defined to 12, 13 and 14 and | |
6323 | * is not supported by kernel. The glibc fcntl call actually adjusts | |
6324 | * them to 5, 6 and 7 before making the syscall(). Since we make the | |
6325 | * syscall directly, adjust to what is supported by the kernel. | |
6326 | */ | |
6327 | if (ret >= F_GETLK64 && ret <= F_SETLKW64) { | |
6328 | ret -= F_GETLK64 - 5; | |
5f106811 | 6329 | } |
4a545761 SB |
6330 | #endif |
6331 | ||
6332 | return ret; | |
5f106811 APR |
6333 | } |
6334 | ||
ae68ad9f LV |
6335 | #define FLOCK_TRANSTBL \ |
6336 | switch (type) { \ | |
6337 | TRANSTBL_CONVERT(F_RDLCK); \ | |
6338 | TRANSTBL_CONVERT(F_WRLCK); \ | |
6339 | TRANSTBL_CONVERT(F_UNLCK); \ | |
6340 | TRANSTBL_CONVERT(F_EXLCK); \ | |
6341 | TRANSTBL_CONVERT(F_SHLCK); \ | |
6342 | } | |
6343 | ||
6344 | static int target_to_host_flock(int type) | |
6345 | { | |
6346 | #define TRANSTBL_CONVERT(a) case TARGET_##a: return a | |
6347 | FLOCK_TRANSTBL | |
6348 | #undef TRANSTBL_CONVERT | |
6349 | return -TARGET_EINVAL; | |
6350 | } | |
6351 | ||
6352 | static int host_to_target_flock(int type) | |
6353 | { | |
6354 | #define TRANSTBL_CONVERT(a) case a: return TARGET_##a | |
6355 | FLOCK_TRANSTBL | |
6356 | #undef TRANSTBL_CONVERT | |
6357 | /* if we don't know how to convert the value coming | |
6358 | * from the host we copy to the target field as-is | |
6359 | */ | |
6360 | return type; | |
6361 | } | |
2ba7f730 | 6362 | |
213d3e9e PM |
6363 | static inline abi_long copy_from_user_flock(struct flock64 *fl, |
6364 | abi_ulong target_flock_addr) | |
7775e9ec | 6365 | { |
53a5960a | 6366 | struct target_flock *target_fl; |
ae68ad9f | 6367 | int l_type; |
213d3e9e PM |
6368 | |
6369 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6370 | return -TARGET_EFAULT; | |
6371 | } | |
6372 | ||
6373 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6374 | l_type = target_to_host_flock(l_type); |
6375 | if (l_type < 0) { | |
6376 | return l_type; | |
6377 | } | |
6378 | fl->l_type = l_type; | |
213d3e9e PM |
6379 | __get_user(fl->l_whence, &target_fl->l_whence); |
6380 | __get_user(fl->l_start, &target_fl->l_start); | |
6381 | __get_user(fl->l_len, &target_fl->l_len); | |
6382 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6383 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6384 | return 0; | |
6385 | } | |
6386 | ||
6387 | static inline abi_long copy_to_user_flock(abi_ulong target_flock_addr, | |
6388 | const struct flock64 *fl) | |
6389 | { | |
6390 | struct target_flock *target_fl; | |
6391 | short l_type; | |
6392 | ||
6393 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6394 | return -TARGET_EFAULT; | |
6395 | } | |
6396 | ||
ae68ad9f | 6397 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
6398 | __put_user(l_type, &target_fl->l_type); |
6399 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6400 | __put_user(fl->l_start, &target_fl->l_start); | |
6401 | __put_user(fl->l_len, &target_fl->l_len); | |
6402 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6403 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6404 | return 0; | |
6405 | } | |
6406 | ||
6407 | typedef abi_long from_flock64_fn(struct flock64 *fl, abi_ulong target_addr); | |
6408 | typedef abi_long to_flock64_fn(abi_ulong target_addr, const struct flock64 *fl); | |
6409 | ||
6410 | #if defined(TARGET_ARM) && TARGET_ABI_BITS == 32 | |
7f254c5c | 6411 | static inline abi_long copy_from_user_oabi_flock64(struct flock64 *fl, |
213d3e9e PM |
6412 | abi_ulong target_flock_addr) |
6413 | { | |
7f254c5c | 6414 | struct target_oabi_flock64 *target_fl; |
ae68ad9f | 6415 | int l_type; |
213d3e9e PM |
6416 | |
6417 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6418 | return -TARGET_EFAULT; | |
6419 | } | |
6420 | ||
6421 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6422 | l_type = target_to_host_flock(l_type); |
6423 | if (l_type < 0) { | |
6424 | return l_type; | |
6425 | } | |
6426 | fl->l_type = l_type; | |
213d3e9e PM |
6427 | __get_user(fl->l_whence, &target_fl->l_whence); |
6428 | __get_user(fl->l_start, &target_fl->l_start); | |
6429 | __get_user(fl->l_len, &target_fl->l_len); | |
6430 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6431 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6432 | return 0; | |
6433 | } | |
6434 | ||
7f254c5c | 6435 | static inline abi_long copy_to_user_oabi_flock64(abi_ulong target_flock_addr, |
213d3e9e PM |
6436 | const struct flock64 *fl) |
6437 | { | |
7f254c5c | 6438 | struct target_oabi_flock64 *target_fl; |
213d3e9e PM |
6439 | short l_type; |
6440 | ||
6441 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6442 | return -TARGET_EFAULT; | |
6443 | } | |
6444 | ||
ae68ad9f | 6445 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
6446 | __put_user(l_type, &target_fl->l_type); |
6447 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6448 | __put_user(fl->l_start, &target_fl->l_start); | |
6449 | __put_user(fl->l_len, &target_fl->l_len); | |
6450 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6451 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6452 | return 0; | |
6453 | } | |
6454 | #endif | |
6455 | ||
6456 | static inline abi_long copy_from_user_flock64(struct flock64 *fl, | |
6457 | abi_ulong target_flock_addr) | |
6458 | { | |
6459 | struct target_flock64 *target_fl; | |
ae68ad9f | 6460 | int l_type; |
213d3e9e PM |
6461 | |
6462 | if (!lock_user_struct(VERIFY_READ, target_fl, target_flock_addr, 1)) { | |
6463 | return -TARGET_EFAULT; | |
6464 | } | |
6465 | ||
6466 | __get_user(l_type, &target_fl->l_type); | |
ae68ad9f LV |
6467 | l_type = target_to_host_flock(l_type); |
6468 | if (l_type < 0) { | |
6469 | return l_type; | |
6470 | } | |
6471 | fl->l_type = l_type; | |
213d3e9e PM |
6472 | __get_user(fl->l_whence, &target_fl->l_whence); |
6473 | __get_user(fl->l_start, &target_fl->l_start); | |
6474 | __get_user(fl->l_len, &target_fl->l_len); | |
6475 | __get_user(fl->l_pid, &target_fl->l_pid); | |
6476 | unlock_user_struct(target_fl, target_flock_addr, 0); | |
6477 | return 0; | |
6478 | } | |
6479 | ||
6480 | static inline abi_long copy_to_user_flock64(abi_ulong target_flock_addr, | |
6481 | const struct flock64 *fl) | |
6482 | { | |
6483 | struct target_flock64 *target_fl; | |
6484 | short l_type; | |
6485 | ||
6486 | if (!lock_user_struct(VERIFY_WRITE, target_fl, target_flock_addr, 0)) { | |
6487 | return -TARGET_EFAULT; | |
6488 | } | |
6489 | ||
ae68ad9f | 6490 | l_type = host_to_target_flock(fl->l_type); |
213d3e9e PM |
6491 | __put_user(l_type, &target_fl->l_type); |
6492 | __put_user(fl->l_whence, &target_fl->l_whence); | |
6493 | __put_user(fl->l_start, &target_fl->l_start); | |
6494 | __put_user(fl->l_len, &target_fl->l_len); | |
6495 | __put_user(fl->l_pid, &target_fl->l_pid); | |
6496 | unlock_user_struct(target_fl, target_flock_addr, 1); | |
6497 | return 0; | |
6498 | } | |
6499 | ||
6500 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) | |
6501 | { | |
43f238d7 | 6502 | struct flock64 fl64; |
8d5d3004 AS |
6503 | #ifdef F_GETOWN_EX |
6504 | struct f_owner_ex fox; | |
6505 | struct target_f_owner_ex *target_fox; | |
6506 | #endif | |
992f48a0 | 6507 | abi_long ret; |
5f106811 APR |
6508 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
6509 | ||
6510 | if (host_cmd == -TARGET_EINVAL) | |
6511 | return host_cmd; | |
53a5960a | 6512 | |
7775e9ec FB |
6513 | switch(cmd) { |
6514 | case TARGET_F_GETLK: | |
213d3e9e PM |
6515 | ret = copy_from_user_flock(&fl64, arg); |
6516 | if (ret) { | |
6517 | return ret; | |
6518 | } | |
435da5e7 | 6519 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 6520 | if (ret == 0) { |
213d3e9e | 6521 | ret = copy_to_user_flock(arg, &fl64); |
7775e9ec FB |
6522 | } |
6523 | break; | |
3b46e624 | 6524 | |
7775e9ec FB |
6525 | case TARGET_F_SETLK: |
6526 | case TARGET_F_SETLKW: | |
213d3e9e PM |
6527 | ret = copy_from_user_flock(&fl64, arg); |
6528 | if (ret) { | |
6529 | return ret; | |
6530 | } | |
435da5e7 | 6531 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec | 6532 | break; |
3b46e624 | 6533 | |
7775e9ec | 6534 | case TARGET_F_GETLK64: |
2d92c682 | 6535 | case TARGET_F_OFD_GETLK: |
213d3e9e PM |
6536 | ret = copy_from_user_flock64(&fl64, arg); |
6537 | if (ret) { | |
6538 | return ret; | |
6539 | } | |
435da5e7 | 6540 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 6541 | if (ret == 0) { |
213d3e9e | 6542 | ret = copy_to_user_flock64(arg, &fl64); |
43f238d7 | 6543 | } |
9ee1fa2c | 6544 | break; |
7775e9ec FB |
6545 | case TARGET_F_SETLK64: |
6546 | case TARGET_F_SETLKW64: | |
2d92c682 AS |
6547 | case TARGET_F_OFD_SETLK: |
6548 | case TARGET_F_OFD_SETLKW: | |
213d3e9e PM |
6549 | ret = copy_from_user_flock64(&fl64, arg); |
6550 | if (ret) { | |
6551 | return ret; | |
6552 | } | |
435da5e7 | 6553 | ret = get_errno(safe_fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
6554 | break; |
6555 | ||
5f106811 | 6556 | case TARGET_F_GETFL: |
435da5e7 | 6557 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
9ee1fa2c FB |
6558 | if (ret >= 0) { |
6559 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
6560 | } | |
ffa65c3b FB |
6561 | break; |
6562 | ||
5f106811 | 6563 | case TARGET_F_SETFL: |
435da5e7 PM |
6564 | ret = get_errno(safe_fcntl(fd, host_cmd, |
6565 | target_to_host_bitmask(arg, | |
6566 | fcntl_flags_tbl))); | |
5f106811 APR |
6567 | break; |
6568 | ||
8d5d3004 AS |
6569 | #ifdef F_GETOWN_EX |
6570 | case TARGET_F_GETOWN_EX: | |
435da5e7 | 6571 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
6572 | if (ret >= 0) { |
6573 | if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0)) | |
6574 | return -TARGET_EFAULT; | |
6575 | target_fox->type = tswap32(fox.type); | |
6576 | target_fox->pid = tswap32(fox.pid); | |
6577 | unlock_user_struct(target_fox, arg, 1); | |
6578 | } | |
6579 | break; | |
6580 | #endif | |
6581 | ||
6582 | #ifdef F_SETOWN_EX | |
6583 | case TARGET_F_SETOWN_EX: | |
6584 | if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1)) | |
6585 | return -TARGET_EFAULT; | |
6586 | fox.type = tswap32(target_fox->type); | |
6587 | fox.pid = tswap32(target_fox->pid); | |
6588 | unlock_user_struct(target_fox, arg, 0); | |
435da5e7 | 6589 | ret = get_errno(safe_fcntl(fd, host_cmd, &fox)); |
8d5d3004 AS |
6590 | break; |
6591 | #endif | |
6592 | ||
5f106811 APR |
6593 | case TARGET_F_SETOWN: |
6594 | case TARGET_F_GETOWN: | |
6595 | case TARGET_F_SETSIG: | |
6596 | case TARGET_F_GETSIG: | |
7e22e546 UH |
6597 | case TARGET_F_SETLEASE: |
6598 | case TARGET_F_GETLEASE: | |
7e3b92ec PM |
6599 | case TARGET_F_SETPIPE_SZ: |
6600 | case TARGET_F_GETPIPE_SZ: | |
435da5e7 | 6601 | ret = get_errno(safe_fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
6602 | break; |
6603 | ||
7775e9ec | 6604 | default: |
435da5e7 | 6605 | ret = get_errno(safe_fcntl(fd, cmd, arg)); |
7775e9ec FB |
6606 | break; |
6607 | } | |
6608 | return ret; | |
6609 | } | |
6610 | ||
67867308 | 6611 | #ifdef USE_UID16 |
7775e9ec | 6612 | |
67867308 FB |
6613 | static inline int high2lowuid(int uid) |
6614 | { | |
6615 | if (uid > 65535) | |
6616 | return 65534; | |
6617 | else | |
6618 | return uid; | |
6619 | } | |
6620 | ||
6621 | static inline int high2lowgid(int gid) | |
6622 | { | |
6623 | if (gid > 65535) | |
6624 | return 65534; | |
6625 | else | |
6626 | return gid; | |
6627 | } | |
6628 | ||
6629 | static inline int low2highuid(int uid) | |
6630 | { | |
6631 | if ((int16_t)uid == -1) | |
6632 | return -1; | |
6633 | else | |
6634 | return uid; | |
6635 | } | |
6636 | ||
6637 | static inline int low2highgid(int gid) | |
6638 | { | |
6639 | if ((int16_t)gid == -1) | |
6640 | return -1; | |
6641 | else | |
6642 | return gid; | |
6643 | } | |
0c866a7e RV |
6644 | static inline int tswapid(int id) |
6645 | { | |
6646 | return tswap16(id); | |
6647 | } | |
76ca310a PM |
6648 | |
6649 | #define put_user_id(x, gaddr) put_user_u16(x, gaddr) | |
6650 | ||
0c866a7e RV |
6651 | #else /* !USE_UID16 */ |
6652 | static inline int high2lowuid(int uid) | |
6653 | { | |
6654 | return uid; | |
6655 | } | |
6656 | static inline int high2lowgid(int gid) | |
6657 | { | |
6658 | return gid; | |
6659 | } | |
6660 | static inline int low2highuid(int uid) | |
6661 | { | |
6662 | return uid; | |
6663 | } | |
6664 | static inline int low2highgid(int gid) | |
6665 | { | |
6666 | return gid; | |
6667 | } | |
6668 | static inline int tswapid(int id) | |
6669 | { | |
6670 | return tswap32(id); | |
6671 | } | |
76ca310a PM |
6672 | |
6673 | #define put_user_id(x, gaddr) put_user_u32(x, gaddr) | |
6674 | ||
67867308 | 6675 | #endif /* USE_UID16 */ |
1b6b029e | 6676 | |
fd6f7798 PM |
6677 | /* We must do direct syscalls for setting UID/GID, because we want to |
6678 | * implement the Linux system call semantics of "change only for this thread", | |
6679 | * not the libc/POSIX semantics of "change for all threads in process". | |
6680 | * (See http://ewontfix.com/17/ for more details.) | |
6681 | * We use the 32-bit version of the syscalls if present; if it is not | |
6682 | * then either the host architecture supports 32-bit UIDs natively with | |
6683 | * the standard syscall, or the 16-bit UID is the best we can do. | |
6684 | */ | |
6685 | #ifdef __NR_setuid32 | |
6686 | #define __NR_sys_setuid __NR_setuid32 | |
6687 | #else | |
6688 | #define __NR_sys_setuid __NR_setuid | |
6689 | #endif | |
6690 | #ifdef __NR_setgid32 | |
6691 | #define __NR_sys_setgid __NR_setgid32 | |
6692 | #else | |
6693 | #define __NR_sys_setgid __NR_setgid | |
6694 | #endif | |
6695 | #ifdef __NR_setresuid32 | |
6696 | #define __NR_sys_setresuid __NR_setresuid32 | |
6697 | #else | |
6698 | #define __NR_sys_setresuid __NR_setresuid | |
6699 | #endif | |
6700 | #ifdef __NR_setresgid32 | |
6701 | #define __NR_sys_setresgid __NR_setresgid32 | |
6702 | #else | |
6703 | #define __NR_sys_setresgid __NR_setresgid | |
6704 | #endif | |
6705 | ||
6706 | _syscall1(int, sys_setuid, uid_t, uid) | |
6707 | _syscall1(int, sys_setgid, gid_t, gid) | |
6708 | _syscall3(int, sys_setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) | |
6709 | _syscall3(int, sys_setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid) | |
6710 | ||
31e31b8a FB |
6711 | void syscall_init(void) |
6712 | { | |
2ab83ea7 FB |
6713 | IOCTLEntry *ie; |
6714 | const argtype *arg_type; | |
6715 | int size; | |
b92c47c1 | 6716 | int i; |
2ab83ea7 | 6717 | |
8be656b8 AG |
6718 | thunk_init(STRUCT_MAX); |
6719 | ||
001faf32 | 6720 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 6721 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
6722 | #include "syscall_types.h" |
6723 | #undef STRUCT | |
6724 | #undef STRUCT_SPECIAL | |
2ab83ea7 | 6725 | |
dd6e957a PM |
6726 | /* Build target_to_host_errno_table[] table from |
6727 | * host_to_target_errno_table[]. */ | |
6728 | for (i = 0; i < ERRNO_TABLE_SIZE; i++) { | |
6729 | target_to_host_errno_table[host_to_target_errno_table[i]] = i; | |
6730 | } | |
6731 | ||
2ab83ea7 FB |
6732 | /* we patch the ioctl size if necessary. We rely on the fact that |
6733 | no ioctl has all the bits at '1' in the size field */ | |
6734 | ie = ioctl_entries; | |
6735 | while (ie->target_cmd != 0) { | |
6736 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
6737 | TARGET_IOC_SIZEMASK) { | |
6738 | arg_type = ie->arg_type; | |
6739 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 6740 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
6741 | ie->target_cmd); |
6742 | exit(1); | |
6743 | } | |
6744 | arg_type++; | |
6745 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 6746 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
6747 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
6748 | (size << TARGET_IOC_SIZESHIFT); | |
6749 | } | |
b92c47c1 | 6750 | |
2ab83ea7 | 6751 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
6752 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
6753 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
6754 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
6755 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
6756 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
6757 | } |
6758 | #endif | |
6759 | ie++; | |
6760 | } | |
31e31b8a | 6761 | } |
c573ff67 | 6762 | |
ce4defa0 | 6763 | #ifdef TARGET_NR_truncate64 |
992f48a0 BS |
6764 | static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
6765 | abi_long arg2, | |
6766 | abi_long arg3, | |
6767 | abi_long arg4) | |
ce4defa0 | 6768 | { |
8bf8e9df | 6769 | if (regpairs_aligned(cpu_env, TARGET_NR_truncate64)) { |
ce4defa0 PB |
6770 | arg2 = arg3; |
6771 | arg3 = arg4; | |
48e515d4 | 6772 | } |
ce4defa0 PB |
6773 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
6774 | } | |
6775 | #endif | |
6776 | ||
6777 | #ifdef TARGET_NR_ftruncate64 | |
992f48a0 BS |
6778 | static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
6779 | abi_long arg2, | |
6780 | abi_long arg3, | |
6781 | abi_long arg4) | |
ce4defa0 | 6782 | { |
8bf8e9df | 6783 | if (regpairs_aligned(cpu_env, TARGET_NR_ftruncate64)) { |
ce4defa0 PB |
6784 | arg2 = arg3; |
6785 | arg3 = arg4; | |
48e515d4 | 6786 | } |
ce4defa0 PB |
6787 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
6788 | } | |
6789 | #endif | |
6790 | ||
859e8a89 AF |
6791 | #if defined(TARGET_NR_timer_settime) || \ |
6792 | (defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD)) | |
f4f1e10a ECL |
6793 | static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec, |
6794 | abi_ulong target_addr) | |
6795 | { | |
6796 | struct target_itimerspec *target_itspec; | |
6797 | ||
6798 | if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) { | |
6799 | return -TARGET_EFAULT; | |
6800 | } | |
6801 | ||
6802 | host_itspec->it_interval.tv_sec = | |
6803 | tswapal(target_itspec->it_interval.tv_sec); | |
6804 | host_itspec->it_interval.tv_nsec = | |
6805 | tswapal(target_itspec->it_interval.tv_nsec); | |
6806 | host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec); | |
6807 | host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec); | |
6808 | ||
6809 | unlock_user_struct(target_itspec, target_addr, 1); | |
6810 | return 0; | |
6811 | } | |
859e8a89 | 6812 | #endif |
f4f1e10a | 6813 | |
859e8a89 AF |
6814 | #if ((defined(TARGET_NR_timerfd_gettime) || \ |
6815 | defined(TARGET_NR_timerfd_settime)) && defined(CONFIG_TIMERFD)) || \ | |
6816 | defined(TARGET_NR_timer_gettime) || defined(TARGET_NR_timer_settime) | |
f4f1e10a ECL |
6817 | static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, |
6818 | struct itimerspec *host_its) | |
6819 | { | |
6820 | struct target_itimerspec *target_itspec; | |
6821 | ||
6822 | if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) { | |
6823 | return -TARGET_EFAULT; | |
6824 | } | |
6825 | ||
6826 | target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec); | |
6827 | target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec); | |
6828 | ||
6829 | target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec); | |
6830 | target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec); | |
6831 | ||
6832 | unlock_user_struct(target_itspec, target_addr, 0); | |
6833 | return 0; | |
6834 | } | |
859e8a89 | 6835 | #endif |
f4f1e10a | 6836 | |
859e8a89 AF |
6837 | #if defined(TARGET_NR_adjtimex) || \ |
6838 | (defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME)) | |
19f59bce AM |
6839 | static inline abi_long target_to_host_timex(struct timex *host_tx, |
6840 | abi_long target_addr) | |
6841 | { | |
6842 | struct target_timex *target_tx; | |
6843 | ||
6844 | if (!lock_user_struct(VERIFY_READ, target_tx, target_addr, 1)) { | |
6845 | return -TARGET_EFAULT; | |
6846 | } | |
6847 | ||
6848 | __get_user(host_tx->modes, &target_tx->modes); | |
6849 | __get_user(host_tx->offset, &target_tx->offset); | |
6850 | __get_user(host_tx->freq, &target_tx->freq); | |
6851 | __get_user(host_tx->maxerror, &target_tx->maxerror); | |
6852 | __get_user(host_tx->esterror, &target_tx->esterror); | |
6853 | __get_user(host_tx->status, &target_tx->status); | |
6854 | __get_user(host_tx->constant, &target_tx->constant); | |
6855 | __get_user(host_tx->precision, &target_tx->precision); | |
6856 | __get_user(host_tx->tolerance, &target_tx->tolerance); | |
6857 | __get_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
6858 | __get_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
6859 | __get_user(host_tx->tick, &target_tx->tick); | |
6860 | __get_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
6861 | __get_user(host_tx->jitter, &target_tx->jitter); | |
6862 | __get_user(host_tx->shift, &target_tx->shift); | |
6863 | __get_user(host_tx->stabil, &target_tx->stabil); | |
6864 | __get_user(host_tx->jitcnt, &target_tx->jitcnt); | |
6865 | __get_user(host_tx->calcnt, &target_tx->calcnt); | |
6866 | __get_user(host_tx->errcnt, &target_tx->errcnt); | |
6867 | __get_user(host_tx->stbcnt, &target_tx->stbcnt); | |
6868 | __get_user(host_tx->tai, &target_tx->tai); | |
6869 | ||
6870 | unlock_user_struct(target_tx, target_addr, 0); | |
6871 | return 0; | |
6872 | } | |
6873 | ||
6874 | static inline abi_long host_to_target_timex(abi_long target_addr, | |
6875 | struct timex *host_tx) | |
6876 | { | |
6877 | struct target_timex *target_tx; | |
6878 | ||
6879 | if (!lock_user_struct(VERIFY_WRITE, target_tx, target_addr, 0)) { | |
6880 | return -TARGET_EFAULT; | |
6881 | } | |
6882 | ||
6883 | __put_user(host_tx->modes, &target_tx->modes); | |
6884 | __put_user(host_tx->offset, &target_tx->offset); | |
6885 | __put_user(host_tx->freq, &target_tx->freq); | |
6886 | __put_user(host_tx->maxerror, &target_tx->maxerror); | |
6887 | __put_user(host_tx->esterror, &target_tx->esterror); | |
6888 | __put_user(host_tx->status, &target_tx->status); | |
6889 | __put_user(host_tx->constant, &target_tx->constant); | |
6890 | __put_user(host_tx->precision, &target_tx->precision); | |
6891 | __put_user(host_tx->tolerance, &target_tx->tolerance); | |
6892 | __put_user(host_tx->time.tv_sec, &target_tx->time.tv_sec); | |
6893 | __put_user(host_tx->time.tv_usec, &target_tx->time.tv_usec); | |
6894 | __put_user(host_tx->tick, &target_tx->tick); | |
6895 | __put_user(host_tx->ppsfreq, &target_tx->ppsfreq); | |
6896 | __put_user(host_tx->jitter, &target_tx->jitter); | |
6897 | __put_user(host_tx->shift, &target_tx->shift); | |
6898 | __put_user(host_tx->stabil, &target_tx->stabil); | |
6899 | __put_user(host_tx->jitcnt, &target_tx->jitcnt); | |
6900 | __put_user(host_tx->calcnt, &target_tx->calcnt); | |
6901 | __put_user(host_tx->errcnt, &target_tx->errcnt); | |
6902 | __put_user(host_tx->stbcnt, &target_tx->stbcnt); | |
6903 | __put_user(host_tx->tai, &target_tx->tai); | |
6904 | ||
6905 | unlock_user_struct(target_tx, target_addr, 1); | |
6906 | return 0; | |
6907 | } | |
859e8a89 | 6908 | #endif |
19f59bce | 6909 | |
c065976f PM |
6910 | static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp, |
6911 | abi_ulong target_addr) | |
6912 | { | |
6913 | struct target_sigevent *target_sevp; | |
6914 | ||
6915 | if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) { | |
6916 | return -TARGET_EFAULT; | |
6917 | } | |
6918 | ||
6919 | /* This union is awkward on 64 bit systems because it has a 32 bit | |
6920 | * integer and a pointer in it; we follow the conversion approach | |
6921 | * used for handling sigval types in signal.c so the guest should get | |
6922 | * the correct value back even if we did a 64 bit byteswap and it's | |
6923 | * using the 32 bit integer. | |
6924 | */ | |
6925 | host_sevp->sigev_value.sival_ptr = | |
6926 | (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr); | |
6927 | host_sevp->sigev_signo = | |
6928 | target_to_host_signal(tswap32(target_sevp->sigev_signo)); | |
6929 | host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify); | |
6930 | host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid); | |
6931 | ||
6932 | unlock_user_struct(target_sevp, target_addr, 1); | |
6933 | return 0; | |
6934 | } | |
6935 | ||
6f6a4032 TM |
6936 | #if defined(TARGET_NR_mlockall) |
6937 | static inline int target_to_host_mlockall_arg(int arg) | |
6938 | { | |
6939 | int result = 0; | |
6940 | ||
6941 | if (arg & TARGET_MLOCKALL_MCL_CURRENT) { | |
6942 | result |= MCL_CURRENT; | |
6943 | } | |
6944 | if (arg & TARGET_MLOCKALL_MCL_FUTURE) { | |
6945 | result |= MCL_FUTURE; | |
6946 | } | |
6947 | return result; | |
6948 | } | |
6949 | #endif | |
6950 | ||
4f7f8924 AR |
6951 | #if (defined(TARGET_NR_stat64) || defined(TARGET_NR_lstat64) || \ |
6952 | defined(TARGET_NR_fstat64) || defined(TARGET_NR_fstatat64) || \ | |
6953 | defined(TARGET_NR_newfstatat)) | |
6a24a778 AZ |
6954 | static inline abi_long host_to_target_stat64(void *cpu_env, |
6955 | abi_ulong target_addr, | |
6956 | struct stat *host_st) | |
6957 | { | |
09701199 | 6958 | #if defined(TARGET_ARM) && defined(TARGET_ABI32) |
6a24a778 AZ |
6959 | if (((CPUARMState *)cpu_env)->eabi) { |
6960 | struct target_eabi_stat64 *target_st; | |
6961 | ||
6962 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
6963 | return -TARGET_EFAULT; | |
6964 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
6965 | __put_user(host_st->st_dev, &target_st->st_dev); | |
6966 | __put_user(host_st->st_ino, &target_st->st_ino); | |
6967 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
6968 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
6969 | #endif | |
6970 | __put_user(host_st->st_mode, &target_st->st_mode); | |
6971 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
6972 | __put_user(host_st->st_uid, &target_st->st_uid); | |
6973 | __put_user(host_st->st_gid, &target_st->st_gid); | |
6974 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
6975 | __put_user(host_st->st_size, &target_st->st_size); | |
6976 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
6977 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
6978 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
6979 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
6980 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
5f992db6 CYT |
6981 | #if _POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700 |
6982 | __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec); | |
6983 | __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec); | |
6984 | __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec); | |
6985 | #endif | |
6a24a778 AZ |
6986 | unlock_user_struct(target_st, target_addr, 1); |
6987 | } else | |
6988 | #endif | |
6989 | { | |
20d155bc | 6990 | #if defined(TARGET_HAS_STRUCT_STAT64) |
6a24a778 | 6991 | struct target_stat64 *target_st; |
20d155bc SW |
6992 | #else |
6993 | struct target_stat *target_st; | |
9d33b76b | 6994 | #endif |
6a24a778 AZ |
6995 | |
6996 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
6997 | return -TARGET_EFAULT; | |
9d33b76b | 6998 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
6999 | __put_user(host_st->st_dev, &target_st->st_dev); |
7000 | __put_user(host_st->st_ino, &target_st->st_ino); | |
7001 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
7002 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
7003 | #endif | |
7004 | __put_user(host_st->st_mode, &target_st->st_mode); | |
7005 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
7006 | __put_user(host_st->st_uid, &target_st->st_uid); | |
7007 | __put_user(host_st->st_gid, &target_st->st_gid); | |
7008 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
7009 | /* XXX: better use of kernel struct */ | |
7010 | __put_user(host_st->st_size, &target_st->st_size); | |
7011 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
7012 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
7013 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
7014 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
7015 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
5f992db6 CYT |
7016 | #if _POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700 |
7017 | __put_user(host_st->st_atim.tv_nsec, &target_st->target_st_atime_nsec); | |
7018 | __put_user(host_st->st_mtim.tv_nsec, &target_st->target_st_mtime_nsec); | |
7019 | __put_user(host_st->st_ctim.tv_nsec, &target_st->target_st_ctime_nsec); | |
7020 | #endif | |
6a24a778 AZ |
7021 | unlock_user_struct(target_st, target_addr, 1); |
7022 | } | |
7023 | ||
7024 | return 0; | |
7025 | } | |
4f7f8924 | 7026 | #endif |
6a24a778 | 7027 | |
efa92184 AR |
7028 | #if defined(TARGET_NR_statx) && defined(__NR_statx) |
7029 | static inline abi_long host_to_target_statx(struct target_statx *host_stx, | |
7030 | abi_ulong target_addr) | |
7031 | { | |
7032 | struct target_statx *target_stx; | |
7033 | ||
7034 | if (!lock_user_struct(VERIFY_WRITE, target_stx, target_addr, 0)) { | |
7035 | return -TARGET_EFAULT; | |
7036 | } | |
7037 | memset(target_stx, 0, sizeof(*target_stx)); | |
7038 | ||
7039 | __put_user(host_stx->stx_mask, &target_stx->stx_mask); | |
7040 | __put_user(host_stx->stx_blksize, &target_stx->stx_blksize); | |
7041 | __put_user(host_stx->stx_attributes, &target_stx->stx_attributes); | |
7042 | __put_user(host_stx->stx_nlink, &target_stx->stx_nlink); | |
7043 | __put_user(host_stx->stx_uid, &target_stx->stx_uid); | |
7044 | __put_user(host_stx->stx_gid, &target_stx->stx_gid); | |
7045 | __put_user(host_stx->stx_mode, &target_stx->stx_mode); | |
7046 | __put_user(host_stx->stx_ino, &target_stx->stx_ino); | |
7047 | __put_user(host_stx->stx_size, &target_stx->stx_size); | |
7048 | __put_user(host_stx->stx_blocks, &target_stx->stx_blocks); | |
7049 | __put_user(host_stx->stx_attributes_mask, &target_stx->stx_attributes_mask); | |
7050 | __put_user(host_stx->stx_atime.tv_sec, &target_stx->stx_atime.tv_sec); | |
7051 | __put_user(host_stx->stx_atime.tv_nsec, &target_stx->stx_atime.tv_nsec); | |
d1e26707 AC |
7052 | __put_user(host_stx->stx_btime.tv_sec, &target_stx->stx_btime.tv_sec); |
7053 | __put_user(host_stx->stx_btime.tv_nsec, &target_stx->stx_btime.tv_nsec); | |
7054 | __put_user(host_stx->stx_ctime.tv_sec, &target_stx->stx_ctime.tv_sec); | |
7055 | __put_user(host_stx->stx_ctime.tv_nsec, &target_stx->stx_ctime.tv_nsec); | |
7056 | __put_user(host_stx->stx_mtime.tv_sec, &target_stx->stx_mtime.tv_sec); | |
7057 | __put_user(host_stx->stx_mtime.tv_nsec, &target_stx->stx_mtime.tv_nsec); | |
efa92184 AR |
7058 | __put_user(host_stx->stx_rdev_major, &target_stx->stx_rdev_major); |
7059 | __put_user(host_stx->stx_rdev_minor, &target_stx->stx_rdev_minor); | |
7060 | __put_user(host_stx->stx_dev_major, &target_stx->stx_dev_major); | |
7061 | __put_user(host_stx->stx_dev_minor, &target_stx->stx_dev_minor); | |
7062 | ||
7063 | unlock_user_struct(target_stx, target_addr, 1); | |
7064 | ||
7065 | return 0; | |
7066 | } | |
7067 | #endif | |
7068 | ||
14690296 AF |
7069 | static int do_sys_futex(int *uaddr, int op, int val, |
7070 | const struct timespec *timeout, int *uaddr2, | |
7071 | int val3) | |
7072 | { | |
7073 | #if HOST_LONG_BITS == 64 | |
7074 | #if defined(__NR_futex) | |
7075 | /* always a 64-bit time_t, it doesn't define _time64 version */ | |
7076 | return sys_futex(uaddr, op, val, timeout, uaddr2, val3); | |
7077 | ||
7078 | #endif | |
7079 | #else /* HOST_LONG_BITS == 64 */ | |
7080 | #if defined(__NR_futex_time64) | |
7081 | if (sizeof(timeout->tv_sec) == 8) { | |
7082 | /* _time64 function on 32bit arch */ | |
7083 | return sys_futex_time64(uaddr, op, val, timeout, uaddr2, val3); | |
7084 | } | |
7085 | #endif | |
7086 | #if defined(__NR_futex) | |
7087 | /* old function on 32bit arch */ | |
7088 | return sys_futex(uaddr, op, val, timeout, uaddr2, val3); | |
7089 | #endif | |
7090 | #endif /* HOST_LONG_BITS == 64 */ | |
7091 | g_assert_not_reached(); | |
7092 | } | |
7093 | ||
7094 | static int do_safe_futex(int *uaddr, int op, int val, | |
7095 | const struct timespec *timeout, int *uaddr2, | |
7096 | int val3) | |
7097 | { | |
7098 | #if HOST_LONG_BITS == 64 | |
7099 | #if defined(__NR_futex) | |
7100 | /* always a 64-bit time_t, it doesn't define _time64 version */ | |
7101 | return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3)); | |
7102 | #endif | |
7103 | #else /* HOST_LONG_BITS == 64 */ | |
7104 | #if defined(__NR_futex_time64) | |
7105 | if (sizeof(timeout->tv_sec) == 8) { | |
7106 | /* _time64 function on 32bit arch */ | |
7107 | return get_errno(safe_futex_time64(uaddr, op, val, timeout, uaddr2, | |
7108 | val3)); | |
7109 | } | |
7110 | #endif | |
7111 | #if defined(__NR_futex) | |
7112 | /* old function on 32bit arch */ | |
7113 | return get_errno(safe_futex(uaddr, op, val, timeout, uaddr2, val3)); | |
7114 | #endif | |
7115 | #endif /* HOST_LONG_BITS == 64 */ | |
7116 | return -TARGET_ENOSYS; | |
7117 | } | |
efa92184 | 7118 | |
bd0c5661 PB |
7119 | /* ??? Using host futex calls even when target atomic operations |
7120 | are not really atomic probably breaks things. However implementing | |
7121 | futexes locally would make futexes shared between multiple processes | |
7122 | tricky. However they're probably useless because guest atomic | |
7123 | operations won't work either. */ | |
859e8a89 | 7124 | #if defined(TARGET_NR_futex) |
8fcd3692 BS |
7125 | static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
7126 | target_ulong uaddr2, int val3) | |
bd0c5661 PB |
7127 | { |
7128 | struct timespec ts, *pts; | |
a16aae0c | 7129 | int base_op; |
bd0c5661 PB |
7130 | |
7131 | /* ??? We assume FUTEX_* constants are the same on both host | |
7132 | and target. */ | |
a29ccd63 | 7133 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 7134 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 7135 | #else |
a16aae0c | 7136 | base_op = op; |
a29ccd63 | 7137 | #endif |
a16aae0c | 7138 | switch (base_op) { |
bd0c5661 | 7139 | case FUTEX_WAIT: |
cce246e0 | 7140 | case FUTEX_WAIT_BITSET: |
bd0c5661 PB |
7141 | if (timeout) { |
7142 | pts = &ts; | |
7143 | target_to_host_timespec(pts, timeout); | |
7144 | } else { | |
7145 | pts = NULL; | |
7146 | } | |
14690296 | 7147 | return do_safe_futex(g2h(uaddr), op, tswap32(val), pts, NULL, val3); |
bd0c5661 | 7148 | case FUTEX_WAKE: |
14690296 | 7149 | return do_safe_futex(g2h(uaddr), op, val, NULL, NULL, 0); |
bd0c5661 | 7150 | case FUTEX_FD: |
14690296 | 7151 | return do_safe_futex(g2h(uaddr), op, val, NULL, NULL, 0); |
bd0c5661 | 7152 | case FUTEX_REQUEUE: |
bd0c5661 | 7153 | case FUTEX_CMP_REQUEUE: |
a16aae0c NF |
7154 | case FUTEX_WAKE_OP: |
7155 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
7156 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
7157 | But the prototype takes a `struct timespec *'; insert casts | |
7158 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
7159 | since it's not compared to guest memory. */ | |
7160 | pts = (struct timespec *)(uintptr_t) timeout; | |
14690296 AF |
7161 | return do_safe_futex(g2h(uaddr), op, val, pts, g2h(uaddr2), |
7162 | (base_op == FUTEX_CMP_REQUEUE | |
7163 | ? tswap32(val3) | |
7164 | : val3)); | |
bd0c5661 PB |
7165 | default: |
7166 | return -TARGET_ENOSYS; | |
7167 | } | |
7168 | } | |
859e8a89 | 7169 | #endif |
14690296 AF |
7170 | |
7171 | #if defined(TARGET_NR_futex_time64) | |
7172 | static int do_futex_time64(target_ulong uaddr, int op, int val, target_ulong timeout, | |
7173 | target_ulong uaddr2, int val3) | |
7174 | { | |
7175 | struct timespec ts, *pts; | |
7176 | int base_op; | |
7177 | ||
7178 | /* ??? We assume FUTEX_* constants are the same on both host | |
7179 | and target. */ | |
7180 | #ifdef FUTEX_CMD_MASK | |
7181 | base_op = op & FUTEX_CMD_MASK; | |
7182 | #else | |
7183 | base_op = op; | |
7184 | #endif | |
7185 | switch (base_op) { | |
7186 | case FUTEX_WAIT: | |
7187 | case FUTEX_WAIT_BITSET: | |
7188 | if (timeout) { | |
7189 | pts = &ts; | |
7190 | target_to_host_timespec64(pts, timeout); | |
7191 | } else { | |
7192 | pts = NULL; | |
7193 | } | |
7194 | return do_safe_futex(g2h(uaddr), op, tswap32(val), pts, NULL, val3); | |
7195 | case FUTEX_WAKE: | |
7196 | return do_safe_futex(g2h(uaddr), op, val, NULL, NULL, 0); | |
7197 | case FUTEX_FD: | |
7198 | return do_safe_futex(g2h(uaddr), op, val, NULL, NULL, 0); | |
7199 | case FUTEX_REQUEUE: | |
7200 | case FUTEX_CMP_REQUEUE: | |
7201 | case FUTEX_WAKE_OP: | |
7202 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
7203 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
7204 | But the prototype takes a `struct timespec *'; insert casts | |
7205 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
7206 | since it's not compared to guest memory. */ | |
7207 | pts = (struct timespec *)(uintptr_t) timeout; | |
7208 | return do_safe_futex(g2h(uaddr), op, val, pts, g2h(uaddr2), | |
7209 | (base_op == FUTEX_CMP_REQUEUE | |
7210 | ? tswap32(val3) | |
7211 | : val3)); | |
7212 | default: | |
7213 | return -TARGET_ENOSYS; | |
7214 | } | |
7215 | } | |
7216 | #endif | |
7217 | ||
0f0426f3 LV |
7218 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
7219 | static abi_long do_name_to_handle_at(abi_long dirfd, abi_long pathname, | |
7220 | abi_long handle, abi_long mount_id, | |
7221 | abi_long flags) | |
7222 | { | |
7223 | struct file_handle *target_fh; | |
7224 | struct file_handle *fh; | |
7225 | int mid = 0; | |
7226 | abi_long ret; | |
7227 | char *name; | |
7228 | unsigned int size, total_size; | |
7229 | ||
7230 | if (get_user_s32(size, handle)) { | |
7231 | return -TARGET_EFAULT; | |
7232 | } | |
7233 | ||
7234 | name = lock_user_string(pathname); | |
7235 | if (!name) { | |
7236 | return -TARGET_EFAULT; | |
7237 | } | |
7238 | ||
7239 | total_size = sizeof(struct file_handle) + size; | |
7240 | target_fh = lock_user(VERIFY_WRITE, handle, total_size, 0); | |
7241 | if (!target_fh) { | |
7242 | unlock_user(name, pathname, 0); | |
7243 | return -TARGET_EFAULT; | |
7244 | } | |
7245 | ||
7246 | fh = g_malloc0(total_size); | |
7247 | fh->handle_bytes = size; | |
7248 | ||
7249 | ret = get_errno(name_to_handle_at(dirfd, path(name), fh, &mid, flags)); | |
7250 | unlock_user(name, pathname, 0); | |
7251 | ||
7252 | /* man name_to_handle_at(2): | |
7253 | * Other than the use of the handle_bytes field, the caller should treat | |
7254 | * the file_handle structure as an opaque data type | |
7255 | */ | |
7256 | ||
7257 | memcpy(target_fh, fh, total_size); | |
7258 | target_fh->handle_bytes = tswap32(fh->handle_bytes); | |
7259 | target_fh->handle_type = tswap32(fh->handle_type); | |
7260 | g_free(fh); | |
7261 | unlock_user(target_fh, handle, total_size); | |
7262 | ||
7263 | if (put_user_s32(mid, mount_id)) { | |
7264 | return -TARGET_EFAULT; | |
7265 | } | |
7266 | ||
7267 | return ret; | |
7268 | ||
7269 | } | |
7270 | #endif | |
7271 | ||
7272 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
7273 | static abi_long do_open_by_handle_at(abi_long mount_fd, abi_long handle, | |
7274 | abi_long flags) | |
7275 | { | |
7276 | struct file_handle *target_fh; | |
7277 | struct file_handle *fh; | |
7278 | unsigned int size, total_size; | |
7279 | abi_long ret; | |
7280 | ||
7281 | if (get_user_s32(size, handle)) { | |
7282 | return -TARGET_EFAULT; | |
7283 | } | |
7284 | ||
7285 | total_size = sizeof(struct file_handle) + size; | |
7286 | target_fh = lock_user(VERIFY_READ, handle, total_size, 1); | |
7287 | if (!target_fh) { | |
7288 | return -TARGET_EFAULT; | |
7289 | } | |
7290 | ||
e9d49d51 | 7291 | fh = g_memdup(target_fh, total_size); |
0f0426f3 LV |
7292 | fh->handle_bytes = size; |
7293 | fh->handle_type = tswap32(target_fh->handle_type); | |
7294 | ||
7295 | ret = get_errno(open_by_handle_at(mount_fd, fh, | |
7296 | target_to_host_bitmask(flags, fcntl_flags_tbl))); | |
7297 | ||
7298 | g_free(fh); | |
7299 | ||
7300 | unlock_user(target_fh, handle, total_size); | |
7301 | ||
7302 | return ret; | |
7303 | } | |
7304 | #endif | |
bd0c5661 | 7305 | |
e36800c9 LV |
7306 | #if defined(TARGET_NR_signalfd) || defined(TARGET_NR_signalfd4) |
7307 | ||
e36800c9 LV |
7308 | static abi_long do_signalfd4(int fd, abi_long mask, int flags) |
7309 | { | |
7310 | int host_flags; | |
7311 | target_sigset_t *target_mask; | |
7312 | sigset_t host_mask; | |
7313 | abi_long ret; | |
7314 | ||
7315 | if (flags & ~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)) { | |
7316 | return -TARGET_EINVAL; | |
7317 | } | |
7318 | if (!lock_user_struct(VERIFY_READ, target_mask, mask, 1)) { | |
7319 | return -TARGET_EFAULT; | |
7320 | } | |
7321 | ||
7322 | target_to_host_sigset(&host_mask, target_mask); | |
7323 | ||
7324 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
7325 | ||
7326 | ret = get_errno(signalfd(fd, &host_mask, host_flags)); | |
7327 | if (ret >= 0) { | |
7328 | fd_trans_register(ret, &target_signalfd_trans); | |
7329 | } | |
7330 | ||
7331 | unlock_user_struct(target_mask, mask, 0); | |
7332 | ||
7333 | return ret; | |
7334 | } | |
7335 | #endif | |
7336 | ||
1d9d8b55 PB |
7337 | /* Map host to target signal numbers for the wait family of syscalls. |
7338 | Assume all other status bits are the same. */ | |
a05c6409 | 7339 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
7340 | { |
7341 | if (WIFSIGNALED(status)) { | |
7342 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
7343 | } | |
7344 | if (WIFSTOPPED(status)) { | |
7345 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
7346 | | (status & 0xff); | |
7347 | } | |
7348 | return status; | |
7349 | } | |
7350 | ||
76b94245 WVS |
7351 | static int open_self_cmdline(void *cpu_env, int fd) |
7352 | { | |
29a0af61 | 7353 | CPUState *cpu = env_cpu((CPUArchState *)cpu_env); |
58de8b96 AS |
7354 | struct linux_binprm *bprm = ((TaskState *)cpu->opaque)->bprm; |
7355 | int i; | |
76b94245 | 7356 | |
58de8b96 AS |
7357 | for (i = 0; i < bprm->argc; i++) { |
7358 | size_t len = strlen(bprm->argv[i]) + 1; | |
76b94245 | 7359 | |
58de8b96 | 7360 | if (write(fd, bprm->argv[i], len) != len) { |
76b94245 | 7361 | return -1; |
76b94245 WVS |
7362 | } |
7363 | } | |
7364 | ||
58de8b96 | 7365 | return 0; |
76b94245 WVS |
7366 | } |
7367 | ||
36c08d49 AG |
7368 | static int open_self_maps(void *cpu_env, int fd) |
7369 | { | |
29a0af61 | 7370 | CPUState *cpu = env_cpu((CPUArchState *)cpu_env); |
0429a971 | 7371 | TaskState *ts = cpu->opaque; |
01ef6b9e AB |
7372 | GSList *map_info = read_self_maps(); |
7373 | GSList *s; | |
bb55173c | 7374 | int count; |
1a49ef2a | 7375 | |
01ef6b9e AB |
7376 | for (s = map_info; s; s = g_slist_next(s)) { |
7377 | MapInfo *e = (MapInfo *) s->data; | |
1a49ef2a | 7378 | |
01ef6b9e AB |
7379 | if (h2g_valid(e->start)) { |
7380 | unsigned long min = e->start; | |
7381 | unsigned long max = e->end; | |
d67f4aaa | 7382 | int flags = page_get_flags(h2g(min)); |
01ef6b9e AB |
7383 | const char *path; |
7384 | ||
7385 | max = h2g_valid(max - 1) ? | |
7386 | max : (uintptr_t) g2h(GUEST_ADDR_MAX) + 1; | |
7387 | ||
d67f4aaa MI |
7388 | if (page_check_range(h2g(min), max - min, flags) == -1) { |
7389 | continue; | |
7390 | } | |
01ef6b9e | 7391 | |
d67f4aaa | 7392 | if (h2g(min) == ts->info->stack_limit) { |
bb55173c | 7393 | path = "[stack]"; |
01ef6b9e AB |
7394 | } else { |
7395 | path = e->path; | |
d67f4aaa | 7396 | } |
01ef6b9e | 7397 | |
bb55173c AB |
7398 | count = dprintf(fd, TARGET_ABI_FMT_ptr "-" TARGET_ABI_FMT_ptr |
7399 | " %c%c%c%c %08" PRIx64 " %s %"PRId64, | |
7400 | h2g(min), h2g(max - 1) + 1, | |
7401 | e->is_read ? 'r' : '-', | |
7402 | e->is_write ? 'w' : '-', | |
7403 | e->is_exec ? 'x' : '-', | |
7404 | e->is_priv ? 'p' : '-', | |
7405 | (uint64_t) e->offset, e->dev, e->inode); | |
7406 | if (path) { | |
7407 | dprintf(fd, "%*s%s\n", 73 - count, "", path); | |
7408 | } else { | |
7409 | dprintf(fd, "\n"); | |
7410 | } | |
1a49ef2a AG |
7411 | } |
7412 | } | |
7413 | ||
01ef6b9e AB |
7414 | free_self_maps(map_info); |
7415 | ||
bf02adcd RH |
7416 | #ifdef TARGET_VSYSCALL_PAGE |
7417 | /* | |
7418 | * We only support execution from the vsyscall page. | |
7419 | * This is as if CONFIG_LEGACY_VSYSCALL_XONLY=y from v5.3. | |
7420 | */ | |
bb55173c AB |
7421 | count = dprintf(fd, TARGET_FMT_lx "-" TARGET_FMT_lx |
7422 | " --xp 00000000 00:00 0", | |
7423 | TARGET_VSYSCALL_PAGE, TARGET_VSYSCALL_PAGE + TARGET_PAGE_SIZE); | |
7424 | dprintf(fd, "%*s%s\n", 73 - count, "", "[vsyscall]"); | |
bf02adcd RH |
7425 | #endif |
7426 | ||
36c08d49 AG |
7427 | return 0; |
7428 | } | |
7429 | ||
480b8e7d AG |
7430 | static int open_self_stat(void *cpu_env, int fd) |
7431 | { | |
29a0af61 | 7432 | CPUState *cpu = env_cpu((CPUArchState *)cpu_env); |
0429a971 | 7433 | TaskState *ts = cpu->opaque; |
7ad4d5a4 | 7434 | g_autoptr(GString) buf = g_string_new(NULL); |
480b8e7d AG |
7435 | int i; |
7436 | ||
7437 | for (i = 0; i < 44; i++) { | |
7ad4d5a4 AB |
7438 | if (i == 0) { |
7439 | /* pid */ | |
7440 | g_string_printf(buf, FMT_pid " ", getpid()); | |
7441 | } else if (i == 1) { | |
7442 | /* app name */ | |
7443 | gchar *bin = g_strrstr(ts->bprm->argv[0], "/"); | |
7444 | bin = bin ? bin + 1 : ts->bprm->argv[0]; | |
7445 | g_string_printf(buf, "(%.15s) ", bin); | |
7446 | } else if (i == 27) { | |
7447 | /* stack bottom */ | |
7448 | g_string_printf(buf, TARGET_ABI_FMT_ld " ", ts->info->start_stack); | |
7449 | } else { | |
7450 | /* for the rest, there is MasterCard */ | |
7451 | g_string_printf(buf, "0%c", i == 43 ? '\n' : ' '); | |
7452 | } | |
7453 | ||
7454 | if (write(fd, buf->str, buf->len) != buf->len) { | |
7455 | return -1; | |
7456 | } | |
480b8e7d AG |
7457 | } |
7458 | ||
7459 | return 0; | |
7460 | } | |
7461 | ||
257450ee AG |
7462 | static int open_self_auxv(void *cpu_env, int fd) |
7463 | { | |
29a0af61 | 7464 | CPUState *cpu = env_cpu((CPUArchState *)cpu_env); |
0429a971 | 7465 | TaskState *ts = cpu->opaque; |
257450ee AG |
7466 | abi_ulong auxv = ts->info->saved_auxv; |
7467 | abi_ulong len = ts->info->auxv_len; | |
7468 | char *ptr; | |
7469 | ||
7470 | /* | |
7471 | * Auxiliary vector is stored in target process stack. | |
7472 | * read in whole auxv vector and copy it to file | |
7473 | */ | |
7474 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
7475 | if (ptr != NULL) { | |
7476 | while (len > 0) { | |
7477 | ssize_t r; | |
7478 | r = write(fd, ptr, len); | |
7479 | if (r <= 0) { | |
7480 | break; | |
7481 | } | |
7482 | len -= r; | |
7483 | ptr += r; | |
7484 | } | |
7485 | lseek(fd, 0, SEEK_SET); | |
7486 | unlock_user(ptr, auxv, len); | |
7487 | } | |
7488 | ||
7489 | return 0; | |
7490 | } | |
7491 | ||
463d8e73 AS |
7492 | static int is_proc_myself(const char *filename, const char *entry) |
7493 | { | |
7494 | if (!strncmp(filename, "/proc/", strlen("/proc/"))) { | |
7495 | filename += strlen("/proc/"); | |
7496 | if (!strncmp(filename, "self/", strlen("self/"))) { | |
7497 | filename += strlen("self/"); | |
7498 | } else if (*filename >= '1' && *filename <= '9') { | |
7499 | char myself[80]; | |
7500 | snprintf(myself, sizeof(myself), "%d/", getpid()); | |
7501 | if (!strncmp(filename, myself, strlen(myself))) { | |
7502 | filename += strlen(myself); | |
7503 | } else { | |
7504 | return 0; | |
7505 | } | |
7506 | } else { | |
7507 | return 0; | |
7508 | } | |
7509 | if (!strcmp(filename, entry)) { | |
7510 | return 1; | |
7511 | } | |
7512 | } | |
7513 | return 0; | |
7514 | } | |
7515 | ||
fff69382 | 7516 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) || \ |
93a5661d | 7517 | defined(TARGET_SPARC) || defined(TARGET_M68K) || defined(TARGET_HPPA) |
de6b9933 LV |
7518 | static int is_proc(const char *filename, const char *entry) |
7519 | { | |
7520 | return strcmp(filename, entry) == 0; | |
7521 | } | |
fff69382 | 7522 | #endif |
de6b9933 | 7523 | |
fff69382 | 7524 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
de6b9933 LV |
7525 | static int open_net_route(void *cpu_env, int fd) |
7526 | { | |
7527 | FILE *fp; | |
7528 | char *line = NULL; | |
7529 | size_t len = 0; | |
7530 | ssize_t read; | |
7531 | ||
7532 | fp = fopen("/proc/net/route", "r"); | |
7533 | if (fp == NULL) { | |
a3ca7bb2 | 7534 | return -1; |
de6b9933 LV |
7535 | } |
7536 | ||
7537 | /* read header */ | |
7538 | ||
7539 | read = getline(&line, &len, fp); | |
7540 | dprintf(fd, "%s", line); | |
7541 | ||
7542 | /* read routes */ | |
7543 | ||
7544 | while ((read = getline(&line, &len, fp)) != -1) { | |
7545 | char iface[16]; | |
7546 | uint32_t dest, gw, mask; | |
7547 | unsigned int flags, refcnt, use, metric, mtu, window, irtt; | |
9d0bd0cd PM |
7548 | int fields; |
7549 | ||
7550 | fields = sscanf(line, | |
7551 | "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
7552 | iface, &dest, &gw, &flags, &refcnt, &use, &metric, | |
7553 | &mask, &mtu, &window, &irtt); | |
7554 | if (fields != 11) { | |
7555 | continue; | |
7556 | } | |
de6b9933 LV |
7557 | dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", |
7558 | iface, tswap32(dest), tswap32(gw), flags, refcnt, use, | |
7559 | metric, tswap32(mask), mtu, window, irtt); | |
7560 | } | |
7561 | ||
7562 | free(line); | |
7563 | fclose(fp); | |
7564 | ||
7565 | return 0; | |
7566 | } | |
7567 | #endif | |
7568 | ||
fff69382 LV |
7569 | #if defined(TARGET_SPARC) |
7570 | static int open_cpuinfo(void *cpu_env, int fd) | |
7571 | { | |
7572 | dprintf(fd, "type\t\t: sun4u\n"); | |
7573 | return 0; | |
7574 | } | |
7575 | #endif | |
7576 | ||
93a5661d HD |
7577 | #if defined(TARGET_HPPA) |
7578 | static int open_cpuinfo(void *cpu_env, int fd) | |
7579 | { | |
7580 | dprintf(fd, "cpu family\t: PA-RISC 1.1e\n"); | |
7581 | dprintf(fd, "cpu\t\t: PA7300LC (PCX-L2)\n"); | |
7582 | dprintf(fd, "capabilities\t: os32\n"); | |
7583 | dprintf(fd, "model\t\t: 9000/778/B160L\n"); | |
7584 | dprintf(fd, "model name\t: Merlin L2 160 QEMU (9000/778/B160L)\n"); | |
7585 | return 0; | |
7586 | } | |
7587 | #endif | |
7588 | ||
4ab6713e LV |
7589 | #if defined(TARGET_M68K) |
7590 | static int open_hardware(void *cpu_env, int fd) | |
7591 | { | |
7592 | dprintf(fd, "Model:\t\tqemu-m68k\n"); | |
7593 | return 0; | |
7594 | } | |
7595 | #endif | |
7596 | ||
0b2effd7 | 7597 | static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode) |
3be14d05 AG |
7598 | { |
7599 | struct fake_open { | |
7600 | const char *filename; | |
7601 | int (*fill)(void *cpu_env, int fd); | |
de6b9933 | 7602 | int (*cmp)(const char *s1, const char *s2); |
3be14d05 AG |
7603 | }; |
7604 | const struct fake_open *fake_open; | |
7605 | static const struct fake_open fakes[] = { | |
de6b9933 LV |
7606 | { "maps", open_self_maps, is_proc_myself }, |
7607 | { "stat", open_self_stat, is_proc_myself }, | |
7608 | { "auxv", open_self_auxv, is_proc_myself }, | |
76b94245 | 7609 | { "cmdline", open_self_cmdline, is_proc_myself }, |
de6b9933 LV |
7610 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
7611 | { "/proc/net/route", open_net_route, is_proc }, | |
fff69382 | 7612 | #endif |
93a5661d | 7613 | #if defined(TARGET_SPARC) || defined(TARGET_HPPA) |
fff69382 | 7614 | { "/proc/cpuinfo", open_cpuinfo, is_proc }, |
4ab6713e LV |
7615 | #endif |
7616 | #if defined(TARGET_M68K) | |
7617 | { "/proc/hardware", open_hardware, is_proc }, | |
de6b9933 LV |
7618 | #endif |
7619 | { NULL, NULL, NULL } | |
3be14d05 AG |
7620 | }; |
7621 | ||
aa07f5ec MO |
7622 | if (is_proc_myself(pathname, "exe")) { |
7623 | int execfd = qemu_getauxval(AT_EXECFD); | |
c10a0738 | 7624 | return execfd ? execfd : safe_openat(dirfd, exec_path, flags, mode); |
aa07f5ec MO |
7625 | } |
7626 | ||
3be14d05 | 7627 | for (fake_open = fakes; fake_open->filename; fake_open++) { |
de6b9933 | 7628 | if (fake_open->cmp(pathname, fake_open->filename)) { |
3be14d05 AG |
7629 | break; |
7630 | } | |
7631 | } | |
7632 | ||
7633 | if (fake_open->filename) { | |
7634 | const char *tmpdir; | |
7635 | char filename[PATH_MAX]; | |
7636 | int fd, r; | |
7637 | ||
7638 | /* create temporary file to map stat to */ | |
7639 | tmpdir = getenv("TMPDIR"); | |
7640 | if (!tmpdir) | |
7641 | tmpdir = "/tmp"; | |
7642 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
7643 | fd = mkstemp(filename); | |
7644 | if (fd < 0) { | |
7645 | return fd; | |
7646 | } | |
7647 | unlink(filename); | |
7648 | ||
7649 | if ((r = fake_open->fill(cpu_env, fd))) { | |
a3ca7bb2 | 7650 | int e = errno; |
3be14d05 | 7651 | close(fd); |
a3ca7bb2 | 7652 | errno = e; |
3be14d05 AG |
7653 | return r; |
7654 | } | |
7655 | lseek(fd, 0, SEEK_SET); | |
7656 | ||
7657 | return fd; | |
7658 | } | |
7659 | ||
c10a0738 | 7660 | return safe_openat(dirfd, path(pathname), flags, mode); |
3be14d05 AG |
7661 | } |
7662 | ||
aecc8861 AG |
7663 | #define TIMER_MAGIC 0x0caf0000 |
7664 | #define TIMER_MAGIC_MASK 0xffff0000 | |
7665 | ||
7666 | /* Convert QEMU provided timer ID back to internal 16bit index format */ | |
7667 | static target_timer_t get_timer_id(abi_long arg) | |
7668 | { | |
7669 | target_timer_t timerid = arg; | |
7670 | ||
7671 | if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) { | |
7672 | return -TARGET_EINVAL; | |
7673 | } | |
7674 | ||
7675 | timerid &= 0xffff; | |
7676 | ||
7677 | if (timerid >= ARRAY_SIZE(g_posix_timers)) { | |
7678 | return -TARGET_EINVAL; | |
7679 | } | |
7680 | ||
7681 | return timerid; | |
7682 | } | |
7683 | ||
2e0a8713 ST |
7684 | static int target_to_host_cpu_mask(unsigned long *host_mask, |
7685 | size_t host_size, | |
7686 | abi_ulong target_addr, | |
7687 | size_t target_size) | |
7688 | { | |
7689 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
7690 | unsigned host_bits = sizeof(*host_mask) * 8; | |
7691 | abi_ulong *target_mask; | |
7692 | unsigned i, j; | |
7693 | ||
7694 | assert(host_size >= target_size); | |
7695 | ||
7696 | target_mask = lock_user(VERIFY_READ, target_addr, target_size, 1); | |
7697 | if (!target_mask) { | |
7698 | return -TARGET_EFAULT; | |
7699 | } | |
7700 | memset(host_mask, 0, host_size); | |
7701 | ||
7702 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
7703 | unsigned bit = i * target_bits; | |
7704 | abi_ulong val; | |
7705 | ||
7706 | __get_user(val, &target_mask[i]); | |
7707 | for (j = 0; j < target_bits; j++, bit++) { | |
7708 | if (val & (1UL << j)) { | |
7709 | host_mask[bit / host_bits] |= 1UL << (bit % host_bits); | |
7710 | } | |
7711 | } | |
7712 | } | |
7713 | ||
7714 | unlock_user(target_mask, target_addr, 0); | |
7715 | return 0; | |
7716 | } | |
7717 | ||
7718 | static int host_to_target_cpu_mask(const unsigned long *host_mask, | |
7719 | size_t host_size, | |
7720 | abi_ulong target_addr, | |
7721 | size_t target_size) | |
7722 | { | |
7723 | unsigned target_bits = sizeof(abi_ulong) * 8; | |
7724 | unsigned host_bits = sizeof(*host_mask) * 8; | |
7725 | abi_ulong *target_mask; | |
7726 | unsigned i, j; | |
7727 | ||
7728 | assert(host_size >= target_size); | |
7729 | ||
7730 | target_mask = lock_user(VERIFY_WRITE, target_addr, target_size, 0); | |
7731 | if (!target_mask) { | |
7732 | return -TARGET_EFAULT; | |
7733 | } | |
7734 | ||
7735 | for (i = 0 ; i < target_size / sizeof(abi_ulong); i++) { | |
7736 | unsigned bit = i * target_bits; | |
7737 | abi_ulong val = 0; | |
7738 | ||
7739 | for (j = 0; j < target_bits; j++, bit++) { | |
7740 | if (host_mask[bit / host_bits] & (1UL << (bit % host_bits))) { | |
7741 | val |= 1UL << j; | |
7742 | } | |
7743 | } | |
7744 | __put_user(val, &target_mask[i]); | |
7745 | } | |
7746 | ||
7747 | unlock_user(target_mask, target_addr, target_size); | |
7748 | return 0; | |
7749 | } | |
7750 | ||
dc1ce18b RH |
7751 | /* This is an internal helper for do_syscall so that it is easier |
7752 | * to have a single return point, so that actions, such as logging | |
7753 | * of syscall results, can be performed. | |
7754 | * All errnos that do_syscall() returns must be -TARGET_<errcode>. | |
7755 | */ | |
7756 | static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, | |
7757 | abi_long arg2, abi_long arg3, abi_long arg4, | |
7758 | abi_long arg5, abi_long arg6, abi_long arg7, | |
7759 | abi_long arg8) | |
31e31b8a | 7760 | { |
29a0af61 | 7761 | CPUState *cpu = env_cpu(cpu_env); |
992f48a0 | 7762 | abi_long ret; |
4f7f8924 AR |
7763 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_stat64) \ |
7764 | || defined(TARGET_NR_lstat) || defined(TARGET_NR_lstat64) \ | |
efa92184 AR |
7765 | || defined(TARGET_NR_fstat) || defined(TARGET_NR_fstat64) \ |
7766 | || defined(TARGET_NR_statx) | |
31e31b8a | 7767 | struct stat st; |
4f7f8924 AR |
7768 | #endif |
7769 | #if defined(TARGET_NR_statfs) || defined(TARGET_NR_statfs64) \ | |
7770 | || defined(TARGET_NR_fstatfs) | |
56c8f68f | 7771 | struct statfs stfs; |
4f7f8924 | 7772 | #endif |
53a5960a | 7773 | void *p; |
3b46e624 | 7774 | |
31e31b8a FB |
7775 | switch(num) { |
7776 | case TARGET_NR_exit: | |
9b056fcc AF |
7777 | /* In old applications this may be used to implement _exit(2). |
7778 | However in threaded applictions it is used for thread termination, | |
7779 | and _exit_group is used for application termination. | |
7780 | Do thread termination if we have more then one thread. */ | |
a0995886 TB |
7781 | |
7782 | if (block_signals()) { | |
72eb7ea8 | 7783 | return -TARGET_ERESTARTSYS; |
a0995886 TB |
7784 | } |
7785 | ||
1f81ce90 | 7786 | pthread_mutex_lock(&clone_lock); |
dd1f6349 | 7787 | |
bdc44640 | 7788 | if (CPU_NEXT(first_cpu)) { |
1f81ce90 | 7789 | TaskState *ts = cpu->opaque; |
9b056fcc | 7790 | |
5325cc34 | 7791 | object_property_set_bool(OBJECT(cpu), "realized", false, NULL); |
1f81ce90 AB |
7792 | object_unref(OBJECT(cpu)); |
7793 | /* | |
7794 | * At this point the CPU should be unrealized and removed | |
7795 | * from cpu lists. We can clean-up the rest of the thread | |
7796 | * data without the lock held. | |
7797 | */ | |
dd1f6349 | 7798 | |
1f81ce90 | 7799 | pthread_mutex_unlock(&clone_lock); |
dd1f6349 | 7800 | |
9b056fcc AF |
7801 | if (ts->child_tidptr) { |
7802 | put_user_u32(0, ts->child_tidptr); | |
14690296 | 7803 | do_sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, |
9b056fcc AF |
7804 | NULL, NULL, 0); |
7805 | } | |
a2247f8e | 7806 | thread_cpu = NULL; |
9b056fcc | 7807 | g_free(ts); |
70903763 | 7808 | rcu_unregister_thread(); |
9b056fcc AF |
7809 | pthread_exit(NULL); |
7810 | } | |
dd1f6349 | 7811 | |
1f81ce90 | 7812 | pthread_mutex_unlock(&clone_lock); |
708b6a64 | 7813 | preexit_cleanup(cpu_env, arg1); |
c2764719 | 7814 | _exit(arg1); |
72eb7ea8 | 7815 | return 0; /* avoid warning */ |
31e31b8a | 7816 | case TARGET_NR_read: |
ba584f1d AS |
7817 | if (arg2 == 0 && arg3 == 0) { |
7818 | return get_errno(safe_read(arg1, 0, 0)); | |
72eb7ea8 | 7819 | } else { |
38d840e6 | 7820 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
2852aafd | 7821 | return -TARGET_EFAULT; |
50afd02b | 7822 | ret = get_errno(safe_read(arg1, p, arg3)); |
e36800c9 | 7823 | if (ret >= 0 && |
5d4d3665 LV |
7824 | fd_trans_host_to_target_data(arg1)) { |
7825 | ret = fd_trans_host_to_target_data(arg1)(p, ret); | |
e36800c9 | 7826 | } |
38d840e6 AJ |
7827 | unlock_user(p, arg2, ret); |
7828 | } | |
72eb7ea8 | 7829 | return ret; |
31e31b8a | 7830 | case TARGET_NR_write: |
58cfa6c2 TGJ |
7831 | if (arg2 == 0 && arg3 == 0) { |
7832 | return get_errno(safe_write(arg1, 0, 0)); | |
7833 | } | |
579a97f7 | 7834 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
2852aafd | 7835 | return -TARGET_EFAULT; |
04b9bcf9 LV |
7836 | if (fd_trans_target_to_host_data(arg1)) { |
7837 | void *copy = g_malloc(arg3); | |
7838 | memcpy(copy, p, arg3); | |
7839 | ret = fd_trans_target_to_host_data(arg1)(copy, arg3); | |
7840 | if (ret >= 0) { | |
7841 | ret = get_errno(safe_write(arg1, copy, ret)); | |
7842 | } | |
7843 | g_free(copy); | |
7844 | } else { | |
7845 | ret = get_errno(safe_write(arg1, p, arg3)); | |
7846 | } | |
53a5960a | 7847 | unlock_user(p, arg2, 0); |
72eb7ea8 RH |
7848 | return ret; |
7849 | ||
704eff6c | 7850 | #ifdef TARGET_NR_open |
31e31b8a | 7851 | case TARGET_NR_open: |
2f619698 | 7852 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7853 | return -TARGET_EFAULT; |
0b2effd7 RV |
7854 | ret = get_errno(do_openat(cpu_env, AT_FDCWD, p, |
7855 | target_to_host_bitmask(arg2, fcntl_flags_tbl), | |
7856 | arg3)); | |
e36800c9 | 7857 | fd_trans_unregister(ret); |
53a5960a | 7858 | unlock_user(p, arg1, 0); |
72eb7ea8 | 7859 | return ret; |
704eff6c | 7860 | #endif |
82424832 | 7861 | case TARGET_NR_openat: |
579a97f7 | 7862 | if (!(p = lock_user_string(arg2))) |
2852aafd | 7863 | return -TARGET_EFAULT; |
0b2effd7 RV |
7864 | ret = get_errno(do_openat(cpu_env, arg1, p, |
7865 | target_to_host_bitmask(arg3, fcntl_flags_tbl), | |
7866 | arg4)); | |
e36800c9 | 7867 | fd_trans_unregister(ret); |
579a97f7 | 7868 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7869 | return ret; |
0f0426f3 LV |
7870 | #if defined(TARGET_NR_name_to_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) |
7871 | case TARGET_NR_name_to_handle_at: | |
7872 | ret = do_name_to_handle_at(arg1, arg2, arg3, arg4, arg5); | |
72eb7ea8 | 7873 | return ret; |
0f0426f3 LV |
7874 | #endif |
7875 | #if defined(TARGET_NR_open_by_handle_at) && defined(CONFIG_OPEN_BY_HANDLE) | |
7876 | case TARGET_NR_open_by_handle_at: | |
7877 | ret = do_open_by_handle_at(arg1, arg2, arg3); | |
e36800c9 | 7878 | fd_trans_unregister(ret); |
72eb7ea8 | 7879 | return ret; |
0f0426f3 | 7880 | #endif |
31e31b8a | 7881 | case TARGET_NR_close: |
e36800c9 | 7882 | fd_trans_unregister(arg1); |
72eb7ea8 RH |
7883 | return get_errno(close(arg1)); |
7884 | ||
31e31b8a | 7885 | case TARGET_NR_brk: |
72eb7ea8 | 7886 | return do_brk(arg1); |
704eff6c | 7887 | #ifdef TARGET_NR_fork |
31e31b8a | 7888 | case TARGET_NR_fork: |
72eb7ea8 | 7889 | return get_errno(do_fork(cpu_env, TARGET_SIGCHLD, 0, 0, 0, 0)); |
704eff6c | 7890 | #endif |
e5febef5 | 7891 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
7892 | case TARGET_NR_waitpid: |
7893 | { | |
53a5960a | 7894 | int status; |
4af80a37 | 7895 | ret = get_errno(safe_wait4(arg1, &status, arg3, 0)); |
5379557b | 7896 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 7897 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2852aafd | 7898 | return -TARGET_EFAULT; |
31e31b8a | 7899 | } |
72eb7ea8 | 7900 | return ret; |
e5febef5 | 7901 | #endif |
f0cbb613 PB |
7902 | #ifdef TARGET_NR_waitid |
7903 | case TARGET_NR_waitid: | |
7904 | { | |
7905 | siginfo_t info; | |
7906 | info.si_pid = 0; | |
4af80a37 | 7907 | ret = get_errno(safe_waitid(arg1, arg2, &info, arg4, NULL)); |
f0cbb613 | 7908 | if (!is_error(ret) && arg3 && info.si_pid != 0) { |
c227f099 | 7909 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
2852aafd | 7910 | return -TARGET_EFAULT; |
f0cbb613 | 7911 | host_to_target_siginfo(p, &info); |
c227f099 | 7912 | unlock_user(p, arg3, sizeof(target_siginfo_t)); |
f0cbb613 PB |
7913 | } |
7914 | } | |
72eb7ea8 | 7915 | return ret; |
f0cbb613 | 7916 | #endif |
7a3148a9 | 7917 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 7918 | case TARGET_NR_creat: |
579a97f7 | 7919 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7920 | return -TARGET_EFAULT; |
53a5960a | 7921 | ret = get_errno(creat(p, arg2)); |
e36800c9 | 7922 | fd_trans_unregister(ret); |
53a5960a | 7923 | unlock_user(p, arg1, 0); |
72eb7ea8 | 7924 | return ret; |
7a3148a9 | 7925 | #endif |
704eff6c | 7926 | #ifdef TARGET_NR_link |
31e31b8a | 7927 | case TARGET_NR_link: |
53a5960a PB |
7928 | { |
7929 | void * p2; | |
7930 | p = lock_user_string(arg1); | |
7931 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
7932 | if (!p || !p2) |
7933 | ret = -TARGET_EFAULT; | |
7934 | else | |
7935 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
7936 | unlock_user(p2, arg2, 0); |
7937 | unlock_user(p, arg1, 0); | |
7938 | } | |
72eb7ea8 | 7939 | return ret; |
704eff6c | 7940 | #endif |
c0d472b1 | 7941 | #if defined(TARGET_NR_linkat) |
64f0ce4c | 7942 | case TARGET_NR_linkat: |
64f0ce4c TS |
7943 | { |
7944 | void * p2 = NULL; | |
579a97f7 | 7945 | if (!arg2 || !arg4) |
2852aafd | 7946 | return -TARGET_EFAULT; |
64f0ce4c TS |
7947 | p = lock_user_string(arg2); |
7948 | p2 = lock_user_string(arg4); | |
579a97f7 | 7949 | if (!p || !p2) |
0da46a6e | 7950 | ret = -TARGET_EFAULT; |
64f0ce4c | 7951 | else |
c0d472b1 | 7952 | ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
579a97f7 FB |
7953 | unlock_user(p, arg2, 0); |
7954 | unlock_user(p2, arg4, 0); | |
64f0ce4c | 7955 | } |
72eb7ea8 | 7956 | return ret; |
64f0ce4c | 7957 | #endif |
704eff6c | 7958 | #ifdef TARGET_NR_unlink |
31e31b8a | 7959 | case TARGET_NR_unlink: |
579a97f7 | 7960 | if (!(p = lock_user_string(arg1))) |
2852aafd | 7961 | return -TARGET_EFAULT; |
53a5960a PB |
7962 | ret = get_errno(unlink(p)); |
7963 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 7964 | return ret; |
704eff6c | 7965 | #endif |
c0d472b1 | 7966 | #if defined(TARGET_NR_unlinkat) |
8170f56b | 7967 | case TARGET_NR_unlinkat: |
579a97f7 | 7968 | if (!(p = lock_user_string(arg2))) |
2852aafd | 7969 | return -TARGET_EFAULT; |
c0d472b1 | 7970 | ret = get_errno(unlinkat(arg1, p, arg3)); |
579a97f7 | 7971 | unlock_user(p, arg2, 0); |
72eb7ea8 | 7972 | return ret; |
b7d35e65 | 7973 | #endif |
31e31b8a | 7974 | case TARGET_NR_execve: |
7854b056 FB |
7975 | { |
7976 | char **argp, **envp; | |
f7341ff4 | 7977 | int argc, envc; |
992f48a0 BS |
7978 | abi_ulong gp; |
7979 | abi_ulong guest_argp; | |
7980 | abi_ulong guest_envp; | |
7981 | abi_ulong addr; | |
7854b056 | 7982 | char **q; |
a6f79cc9 | 7983 | int total_size = 0; |
7854b056 | 7984 | |
f7341ff4 | 7985 | argc = 0; |
53a5960a | 7986 | guest_argp = arg2; |
da94d263 | 7987 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 7988 | if (get_user_ual(addr, gp)) |
2852aafd | 7989 | return -TARGET_EFAULT; |
03aa1976 | 7990 | if (!addr) |
2f619698 | 7991 | break; |
7854b056 | 7992 | argc++; |
2f619698 | 7993 | } |
f7341ff4 | 7994 | envc = 0; |
53a5960a | 7995 | guest_envp = arg3; |
da94d263 | 7996 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 7997 | if (get_user_ual(addr, gp)) |
2852aafd | 7998 | return -TARGET_EFAULT; |
03aa1976 | 7999 | if (!addr) |
2f619698 | 8000 | break; |
7854b056 | 8001 | envc++; |
2f619698 | 8002 | } |
7854b056 | 8003 | |
b936cb50 PP |
8004 | argp = g_new0(char *, argc + 1); |
8005 | envp = g_new0(char *, envc + 1); | |
7854b056 | 8006 | |
da94d263 | 8007 | for (gp = guest_argp, q = argp; gp; |
992f48a0 | 8008 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
8009 | if (get_user_ual(addr, gp)) |
8010 | goto execve_efault; | |
53a5960a PB |
8011 | if (!addr) |
8012 | break; | |
2f619698 FB |
8013 | if (!(*q = lock_user_string(addr))) |
8014 | goto execve_efault; | |
a6f79cc9 | 8015 | total_size += strlen(*q) + 1; |
53a5960a | 8016 | } |
f7341ff4 FB |
8017 | *q = NULL; |
8018 | ||
da94d263 | 8019 | for (gp = guest_envp, q = envp; gp; |
992f48a0 | 8020 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
8021 | if (get_user_ual(addr, gp)) |
8022 | goto execve_efault; | |
53a5960a PB |
8023 | if (!addr) |
8024 | break; | |
2f619698 FB |
8025 | if (!(*q = lock_user_string(addr))) |
8026 | goto execve_efault; | |
a6f79cc9 | 8027 | total_size += strlen(*q) + 1; |
53a5960a | 8028 | } |
f7341ff4 | 8029 | *q = NULL; |
7854b056 | 8030 | |
2f619698 FB |
8031 | if (!(p = lock_user_string(arg1))) |
8032 | goto execve_efault; | |
ffdcbe22 TB |
8033 | /* Although execve() is not an interruptible syscall it is |
8034 | * a special case where we must use the safe_syscall wrapper: | |
8035 | * if we allow a signal to happen before we make the host | |
8036 | * syscall then we will 'lose' it, because at the point of | |
8037 | * execve the process leaves QEMU's control. So we use the | |
8038 | * safe syscall wrapper to ensure that we either take the | |
8039 | * signal as a guest signal, or else it does not happen | |
8040 | * before the execve completes and makes it the other | |
8041 | * program's problem. | |
8042 | */ | |
8043 | ret = get_errno(safe_execve(p, argp, envp)); | |
53a5960a PB |
8044 | unlock_user(p, arg1, 0); |
8045 | ||
2f619698 FB |
8046 | goto execve_end; |
8047 | ||
8048 | execve_efault: | |
8049 | ret = -TARGET_EFAULT; | |
8050 | ||
8051 | execve_end: | |
53a5960a | 8052 | for (gp = guest_argp, q = argp; *q; |
992f48a0 | 8053 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
8054 | if (get_user_ual(addr, gp) |
8055 | || !addr) | |
8056 | break; | |
53a5960a PB |
8057 | unlock_user(*q, addr, 0); |
8058 | } | |
8059 | for (gp = guest_envp, q = envp; *q; | |
992f48a0 | 8060 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
8061 | if (get_user_ual(addr, gp) |
8062 | || !addr) | |
8063 | break; | |
53a5960a PB |
8064 | unlock_user(*q, addr, 0); |
8065 | } | |
b936cb50 PP |
8066 | |
8067 | g_free(argp); | |
8068 | g_free(envp); | |
7854b056 | 8069 | } |
72eb7ea8 | 8070 | return ret; |
31e31b8a | 8071 | case TARGET_NR_chdir: |
579a97f7 | 8072 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8073 | return -TARGET_EFAULT; |
53a5960a PB |
8074 | ret = get_errno(chdir(p)); |
8075 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8076 | return ret; |
a315a145 | 8077 | #ifdef TARGET_NR_time |
31e31b8a FB |
8078 | case TARGET_NR_time: |
8079 | { | |
53a5960a PB |
8080 | time_t host_time; |
8081 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
8082 | if (!is_error(ret) |
8083 | && arg1 | |
8084 | && put_user_sal(host_time, arg1)) | |
2852aafd | 8085 | return -TARGET_EFAULT; |
31e31b8a | 8086 | } |
72eb7ea8 | 8087 | return ret; |
a315a145 | 8088 | #endif |
704eff6c | 8089 | #ifdef TARGET_NR_mknod |
31e31b8a | 8090 | case TARGET_NR_mknod: |
579a97f7 | 8091 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8092 | return -TARGET_EFAULT; |
53a5960a PB |
8093 | ret = get_errno(mknod(p, arg2, arg3)); |
8094 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8095 | return ret; |
704eff6c | 8096 | #endif |
c0d472b1 | 8097 | #if defined(TARGET_NR_mknodat) |
75ac37a0 | 8098 | case TARGET_NR_mknodat: |
579a97f7 | 8099 | if (!(p = lock_user_string(arg2))) |
2852aafd | 8100 | return -TARGET_EFAULT; |
c0d472b1 | 8101 | ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
579a97f7 | 8102 | unlock_user(p, arg2, 0); |
72eb7ea8 | 8103 | return ret; |
75ac37a0 | 8104 | #endif |
704eff6c | 8105 | #ifdef TARGET_NR_chmod |
31e31b8a | 8106 | case TARGET_NR_chmod: |
579a97f7 | 8107 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8108 | return -TARGET_EFAULT; |
53a5960a PB |
8109 | ret = get_errno(chmod(p, arg2)); |
8110 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8111 | return ret; |
704eff6c | 8112 | #endif |
4f7f8924 | 8113 | #ifdef TARGET_NR_lseek |
31e31b8a | 8114 | case TARGET_NR_lseek: |
72eb7ea8 | 8115 | return get_errno(lseek(arg1, arg2, arg3)); |
4f7f8924 | 8116 | #endif |
9231733a RH |
8117 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
8118 | /* Alpha specific */ | |
7a3148a9 | 8119 | case TARGET_NR_getxpid: |
9231733a | 8120 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
72eb7ea8 | 8121 | return get_errno(getpid()); |
7a3148a9 | 8122 | #endif |
9231733a RH |
8123 | #ifdef TARGET_NR_getpid |
8124 | case TARGET_NR_getpid: | |
72eb7ea8 | 8125 | return get_errno(getpid()); |
9231733a | 8126 | #endif |
31e31b8a | 8127 | case TARGET_NR_mount: |
356d771b PB |
8128 | { |
8129 | /* need to look at the data field */ | |
8130 | void *p2, *p3; | |
8131 | ||
8132 | if (arg1) { | |
8133 | p = lock_user_string(arg1); | |
8134 | if (!p) { | |
2852aafd | 8135 | return -TARGET_EFAULT; |
356d771b PB |
8136 | } |
8137 | } else { | |
8138 | p = NULL; | |
8139 | } | |
8140 | ||
8141 | p2 = lock_user_string(arg2); | |
8142 | if (!p2) { | |
8143 | if (arg1) { | |
8144 | unlock_user(p, arg1, 0); | |
8145 | } | |
2852aafd | 8146 | return -TARGET_EFAULT; |
356d771b PB |
8147 | } |
8148 | ||
8149 | if (arg3) { | |
8150 | p3 = lock_user_string(arg3); | |
8151 | if (!p3) { | |
8152 | if (arg1) { | |
579a97f7 | 8153 | unlock_user(p, arg1, 0); |
356d771b PB |
8154 | } |
8155 | unlock_user(p2, arg2, 0); | |
2852aafd | 8156 | return -TARGET_EFAULT; |
356d771b PB |
8157 | } |
8158 | } else { | |
8159 | p3 = NULL; | |
8160 | } | |
8161 | ||
8162 | /* FIXME - arg5 should be locked, but it isn't clear how to | |
8163 | * do that since it's not guaranteed to be a NULL-terminated | |
8164 | * string. | |
8165 | */ | |
8166 | if (!arg5) { | |
8167 | ret = mount(p, p2, p3, (unsigned long)arg4, NULL); | |
8168 | } else { | |
8169 | ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)); | |
8170 | } | |
8171 | ret = get_errno(ret); | |
8172 | ||
8173 | if (arg1) { | |
8174 | unlock_user(p, arg1, 0); | |
8175 | } | |
8176 | unlock_user(p2, arg2, 0); | |
8177 | if (arg3) { | |
8178 | unlock_user(p3, arg3, 0); | |
8179 | } | |
8180 | } | |
72eb7ea8 | 8181 | return ret; |
6eb9dbf6 LV |
8182 | #if defined(TARGET_NR_umount) || defined(TARGET_NR_oldumount) |
8183 | #if defined(TARGET_NR_umount) | |
31e31b8a | 8184 | case TARGET_NR_umount: |
6eb9dbf6 LV |
8185 | #endif |
8186 | #if defined(TARGET_NR_oldumount) | |
8187 | case TARGET_NR_oldumount: | |
8188 | #endif | |
579a97f7 | 8189 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8190 | return -TARGET_EFAULT; |
53a5960a PB |
8191 | ret = get_errno(umount(p)); |
8192 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8193 | return ret; |
e5febef5 | 8194 | #endif |
7a3148a9 | 8195 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
8196 | case TARGET_NR_stime: |
8197 | { | |
0f1f2d45 LV |
8198 | struct timespec ts; |
8199 | ts.tv_nsec = 0; | |
8200 | if (get_user_sal(ts.tv_sec, arg1)) { | |
2852aafd | 8201 | return -TARGET_EFAULT; |
0f1f2d45 LV |
8202 | } |
8203 | return get_errno(clock_settime(CLOCK_REALTIME, &ts)); | |
31e31b8a | 8204 | } |
7a3148a9 | 8205 | #endif |
7a3148a9 | 8206 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a | 8207 | case TARGET_NR_alarm: |
72eb7ea8 | 8208 | return alarm(arg1); |
7a3148a9 | 8209 | #endif |
7a3148a9 | 8210 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a | 8211 | case TARGET_NR_pause: |
f59ec606 TB |
8212 | if (!block_signals()) { |
8213 | sigsuspend(&((TaskState *)cpu->opaque)->signal_mask); | |
8214 | } | |
72eb7ea8 | 8215 | return -TARGET_EINTR; |
7a3148a9 | 8216 | #endif |
e5febef5 | 8217 | #ifdef TARGET_NR_utime |
31e31b8a | 8218 | case TARGET_NR_utime: |
ebc05488 | 8219 | { |
53a5960a PB |
8220 | struct utimbuf tbuf, *host_tbuf; |
8221 | struct target_utimbuf *target_tbuf; | |
8222 | if (arg2) { | |
579a97f7 | 8223 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
2852aafd | 8224 | return -TARGET_EFAULT; |
cbb21eed MB |
8225 | tbuf.actime = tswapal(target_tbuf->actime); |
8226 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
8227 | unlock_user_struct(target_tbuf, arg2, 0); |
8228 | host_tbuf = &tbuf; | |
f72e8ff4 | 8229 | } else { |
53a5960a | 8230 | host_tbuf = NULL; |
f72e8ff4 | 8231 | } |
579a97f7 | 8232 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8233 | return -TARGET_EFAULT; |
53a5960a PB |
8234 | ret = get_errno(utime(p, host_tbuf)); |
8235 | unlock_user(p, arg1, 0); | |
ebc05488 | 8236 | } |
72eb7ea8 | 8237 | return ret; |
e5febef5 | 8238 | #endif |
704eff6c | 8239 | #ifdef TARGET_NR_utimes |
978a66ff FB |
8240 | case TARGET_NR_utimes: |
8241 | { | |
978a66ff | 8242 | struct timeval *tvp, tv[2]; |
53a5960a | 8243 | if (arg2) { |
788f5ec4 TS |
8244 | if (copy_from_user_timeval(&tv[0], arg2) |
8245 | || copy_from_user_timeval(&tv[1], | |
8246 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 8247 | return -TARGET_EFAULT; |
978a66ff FB |
8248 | tvp = tv; |
8249 | } else { | |
8250 | tvp = NULL; | |
8251 | } | |
579a97f7 | 8252 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8253 | return -TARGET_EFAULT; |
53a5960a PB |
8254 | ret = get_errno(utimes(p, tvp)); |
8255 | unlock_user(p, arg1, 0); | |
978a66ff | 8256 | } |
72eb7ea8 | 8257 | return ret; |
704eff6c | 8258 | #endif |
c0d472b1 | 8259 | #if defined(TARGET_NR_futimesat) |
ac8a6556 AZ |
8260 | case TARGET_NR_futimesat: |
8261 | { | |
8262 | struct timeval *tvp, tv[2]; | |
8263 | if (arg3) { | |
8264 | if (copy_from_user_timeval(&tv[0], arg3) | |
8265 | || copy_from_user_timeval(&tv[1], | |
8266 | arg3 + sizeof(struct target_timeval))) | |
2852aafd | 8267 | return -TARGET_EFAULT; |
ac8a6556 AZ |
8268 | tvp = tv; |
8269 | } else { | |
8270 | tvp = NULL; | |
8271 | } | |
2852aafd RH |
8272 | if (!(p = lock_user_string(arg2))) { |
8273 | return -TARGET_EFAULT; | |
8274 | } | |
c0d472b1 | 8275 | ret = get_errno(futimesat(arg1, path(p), tvp)); |
ac8a6556 AZ |
8276 | unlock_user(p, arg2, 0); |
8277 | } | |
72eb7ea8 | 8278 | return ret; |
ac8a6556 | 8279 | #endif |
704eff6c | 8280 | #ifdef TARGET_NR_access |
31e31b8a | 8281 | case TARGET_NR_access: |
2852aafd RH |
8282 | if (!(p = lock_user_string(arg1))) { |
8283 | return -TARGET_EFAULT; | |
8284 | } | |
719f908e | 8285 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 8286 | unlock_user(p, arg1, 0); |
72eb7ea8 | 8287 | return ret; |
704eff6c | 8288 | #endif |
92a34c10 TS |
8289 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
8290 | case TARGET_NR_faccessat: | |
2852aafd RH |
8291 | if (!(p = lock_user_string(arg2))) { |
8292 | return -TARGET_EFAULT; | |
8293 | } | |
c0d472b1 | 8294 | ret = get_errno(faccessat(arg1, p, arg3, 0)); |
579a97f7 | 8295 | unlock_user(p, arg2, 0); |
72eb7ea8 | 8296 | return ret; |
92a34c10 | 8297 | #endif |
7a3148a9 | 8298 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a | 8299 | case TARGET_NR_nice: |
72eb7ea8 | 8300 | return get_errno(nice(arg1)); |
ebc05488 | 8301 | #endif |
31e31b8a | 8302 | case TARGET_NR_sync: |
04369ff2 | 8303 | sync(); |
72eb7ea8 | 8304 | return 0; |
5a03cd00 AM |
8305 | #if defined(TARGET_NR_syncfs) && defined(CONFIG_SYNCFS) |
8306 | case TARGET_NR_syncfs: | |
72eb7ea8 | 8307 | return get_errno(syncfs(arg1)); |
5a03cd00 | 8308 | #endif |
31e31b8a | 8309 | case TARGET_NR_kill: |
72eb7ea8 | 8310 | return get_errno(safe_kill(arg1, target_to_host_signal(arg2))); |
704eff6c | 8311 | #ifdef TARGET_NR_rename |
31e31b8a | 8312 | case TARGET_NR_rename: |
53a5960a PB |
8313 | { |
8314 | void *p2; | |
8315 | p = lock_user_string(arg1); | |
8316 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
8317 | if (!p || !p2) |
8318 | ret = -TARGET_EFAULT; | |
8319 | else | |
8320 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
8321 | unlock_user(p2, arg2, 0); |
8322 | unlock_user(p, arg1, 0); | |
8323 | } | |
72eb7ea8 | 8324 | return ret; |
704eff6c | 8325 | #endif |
c0d472b1 | 8326 | #if defined(TARGET_NR_renameat) |
722183f6 | 8327 | case TARGET_NR_renameat: |
722183f6 | 8328 | { |
579a97f7 | 8329 | void *p2; |
722183f6 TS |
8330 | p = lock_user_string(arg2); |
8331 | p2 = lock_user_string(arg4); | |
579a97f7 | 8332 | if (!p || !p2) |
0da46a6e | 8333 | ret = -TARGET_EFAULT; |
722183f6 | 8334 | else |
c0d472b1 | 8335 | ret = get_errno(renameat(arg1, p, arg3, p2)); |
579a97f7 FB |
8336 | unlock_user(p2, arg4, 0); |
8337 | unlock_user(p, arg2, 0); | |
722183f6 | 8338 | } |
72eb7ea8 | 8339 | return ret; |
95d0307c AS |
8340 | #endif |
8341 | #if defined(TARGET_NR_renameat2) | |
8342 | case TARGET_NR_renameat2: | |
8343 | { | |
8344 | void *p2; | |
8345 | p = lock_user_string(arg2); | |
8346 | p2 = lock_user_string(arg4); | |
8347 | if (!p || !p2) { | |
8348 | ret = -TARGET_EFAULT; | |
8349 | } else { | |
8350 | ret = get_errno(sys_renameat2(arg1, p, arg3, p2, arg5)); | |
8351 | } | |
8352 | unlock_user(p2, arg4, 0); | |
8353 | unlock_user(p, arg2, 0); | |
8354 | } | |
72eb7ea8 | 8355 | return ret; |
722183f6 | 8356 | #endif |
704eff6c | 8357 | #ifdef TARGET_NR_mkdir |
31e31b8a | 8358 | case TARGET_NR_mkdir: |
579a97f7 | 8359 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8360 | return -TARGET_EFAULT; |
53a5960a PB |
8361 | ret = get_errno(mkdir(p, arg2)); |
8362 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8363 | return ret; |
704eff6c | 8364 | #endif |
c0d472b1 | 8365 | #if defined(TARGET_NR_mkdirat) |
4472ad0d | 8366 | case TARGET_NR_mkdirat: |
579a97f7 | 8367 | if (!(p = lock_user_string(arg2))) |
2852aafd | 8368 | return -TARGET_EFAULT; |
c0d472b1 | 8369 | ret = get_errno(mkdirat(arg1, p, arg3)); |
579a97f7 | 8370 | unlock_user(p, arg2, 0); |
72eb7ea8 | 8371 | return ret; |
4472ad0d | 8372 | #endif |
704eff6c | 8373 | #ifdef TARGET_NR_rmdir |
31e31b8a | 8374 | case TARGET_NR_rmdir: |
579a97f7 | 8375 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8376 | return -TARGET_EFAULT; |
53a5960a PB |
8377 | ret = get_errno(rmdir(p)); |
8378 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8379 | return ret; |
704eff6c | 8380 | #endif |
31e31b8a FB |
8381 | case TARGET_NR_dup: |
8382 | ret = get_errno(dup(arg1)); | |
e36800c9 LV |
8383 | if (ret >= 0) { |
8384 | fd_trans_dup(arg1, ret); | |
8385 | } | |
72eb7ea8 | 8386 | return ret; |
704eff6c | 8387 | #ifdef TARGET_NR_pipe |
31e31b8a | 8388 | case TARGET_NR_pipe: |
72eb7ea8 | 8389 | return do_pipe(cpu_env, arg1, 0, 0); |
704eff6c | 8390 | #endif |
099d6b0f RV |
8391 | #ifdef TARGET_NR_pipe2 |
8392 | case TARGET_NR_pipe2: | |
72eb7ea8 RH |
8393 | return do_pipe(cpu_env, arg1, |
8394 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
099d6b0f | 8395 | #endif |
31e31b8a | 8396 | case TARGET_NR_times: |
32f36bce | 8397 | { |
53a5960a | 8398 | struct target_tms *tmsp; |
32f36bce FB |
8399 | struct tms tms; |
8400 | ret = get_errno(times(&tms)); | |
53a5960a | 8401 | if (arg1) { |
579a97f7 FB |
8402 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
8403 | if (!tmsp) | |
2852aafd | 8404 | return -TARGET_EFAULT; |
cbb21eed MB |
8405 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
8406 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
8407 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
8408 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 8409 | } |
c596ed17 FB |
8410 | if (!is_error(ret)) |
8411 | ret = host_to_target_clock_t(ret); | |
32f36bce | 8412 | } |
72eb7ea8 | 8413 | return ret; |
31e31b8a | 8414 | case TARGET_NR_acct: |
38d840e6 AJ |
8415 | if (arg1 == 0) { |
8416 | ret = get_errno(acct(NULL)); | |
8417 | } else { | |
2852aafd RH |
8418 | if (!(p = lock_user_string(arg1))) { |
8419 | return -TARGET_EFAULT; | |
8420 | } | |
38d840e6 AJ |
8421 | ret = get_errno(acct(path(p))); |
8422 | unlock_user(p, arg1, 0); | |
8423 | } | |
72eb7ea8 | 8424 | return ret; |
8070e7be | 8425 | #ifdef TARGET_NR_umount2 |
31e31b8a | 8426 | case TARGET_NR_umount2: |
579a97f7 | 8427 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8428 | return -TARGET_EFAULT; |
53a5960a PB |
8429 | ret = get_errno(umount2(p, arg2)); |
8430 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8431 | return ret; |
ebc05488 | 8432 | #endif |
31e31b8a | 8433 | case TARGET_NR_ioctl: |
72eb7ea8 | 8434 | return do_ioctl(arg1, arg2, arg3); |
47ae93cd | 8435 | #ifdef TARGET_NR_fcntl |
31e31b8a | 8436 | case TARGET_NR_fcntl: |
72eb7ea8 | 8437 | return do_fcntl(arg1, arg2, arg3); |
ebc05488 | 8438 | #endif |
31e31b8a | 8439 | case TARGET_NR_setpgid: |
72eb7ea8 | 8440 | return get_errno(setpgid(arg1, arg2)); |
31e31b8a | 8441 | case TARGET_NR_umask: |
72eb7ea8 | 8442 | return get_errno(umask(arg1)); |
31e31b8a | 8443 | case TARGET_NR_chroot: |
579a97f7 | 8444 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8445 | return -TARGET_EFAULT; |
53a5960a PB |
8446 | ret = get_errno(chroot(p)); |
8447 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8448 | return ret; |
704eff6c | 8449 | #ifdef TARGET_NR_dup2 |
31e31b8a FB |
8450 | case TARGET_NR_dup2: |
8451 | ret = get_errno(dup2(arg1, arg2)); | |
e36800c9 LV |
8452 | if (ret >= 0) { |
8453 | fd_trans_dup(arg1, arg2); | |
8454 | } | |
72eb7ea8 | 8455 | return ret; |
704eff6c | 8456 | #endif |
d0927938 UH |
8457 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
8458 | case TARGET_NR_dup3: | |
10fa993a PM |
8459 | { |
8460 | int host_flags; | |
8461 | ||
8462 | if ((arg3 & ~TARGET_O_CLOEXEC) != 0) { | |
8463 | return -EINVAL; | |
8464 | } | |
8465 | host_flags = target_to_host_bitmask(arg3, fcntl_flags_tbl); | |
8466 | ret = get_errno(dup3(arg1, arg2, host_flags)); | |
e36800c9 LV |
8467 | if (ret >= 0) { |
8468 | fd_trans_dup(arg1, arg2); | |
8469 | } | |
72eb7ea8 | 8470 | return ret; |
10fa993a | 8471 | } |
d0927938 | 8472 | #endif |
7a3148a9 | 8473 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a | 8474 | case TARGET_NR_getppid: |
72eb7ea8 | 8475 | return get_errno(getppid()); |
7a3148a9 | 8476 | #endif |
704eff6c | 8477 | #ifdef TARGET_NR_getpgrp |
31e31b8a | 8478 | case TARGET_NR_getpgrp: |
72eb7ea8 | 8479 | return get_errno(getpgrp()); |
704eff6c | 8480 | #endif |
31e31b8a | 8481 | case TARGET_NR_setsid: |
72eb7ea8 | 8482 | return get_errno(setsid()); |
e5febef5 | 8483 | #ifdef TARGET_NR_sigaction |
31e31b8a | 8484 | case TARGET_NR_sigaction: |
31e31b8a | 8485 | { |
6049f4f8 RH |
8486 | #if defined(TARGET_ALPHA) |
8487 | struct target_sigaction act, oact, *pact = 0; | |
53a5960a | 8488 | struct target_old_sigaction *old_act; |
53a5960a | 8489 | if (arg2) { |
579a97f7 | 8490 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
2852aafd | 8491 | return -TARGET_EFAULT; |
66fb9763 FB |
8492 | act._sa_handler = old_act->_sa_handler; |
8493 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
8494 | act.sa_flags = old_act->sa_flags; | |
6049f4f8 | 8495 | act.sa_restorer = 0; |
53a5960a | 8496 | unlock_user_struct(old_act, arg2, 0); |
66fb9763 | 8497 | pact = &act; |
66fb9763 FB |
8498 | } |
8499 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
53a5960a | 8500 | if (!is_error(ret) && arg3) { |
579a97f7 | 8501 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
2852aafd | 8502 | return -TARGET_EFAULT; |
53a5960a PB |
8503 | old_act->_sa_handler = oact._sa_handler; |
8504 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
8505 | old_act->sa_flags = oact.sa_flags; | |
53a5960a | 8506 | unlock_user_struct(old_act, arg3, 1); |
66fb9763 | 8507 | } |
6049f4f8 | 8508 | #elif defined(TARGET_MIPS) |
106ec879 FB |
8509 | struct target_sigaction act, oact, *pact, *old_act; |
8510 | ||
8511 | if (arg2) { | |
579a97f7 | 8512 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
2852aafd | 8513 | return -TARGET_EFAULT; |
106ec879 FB |
8514 | act._sa_handler = old_act->_sa_handler; |
8515 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
8516 | act.sa_flags = old_act->sa_flags; | |
8517 | unlock_user_struct(old_act, arg2, 0); | |
8518 | pact = &act; | |
8519 | } else { | |
8520 | pact = NULL; | |
8521 | } | |
8522 | ||
8523 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
8524 | ||
8525 | if (!is_error(ret) && arg3) { | |
579a97f7 | 8526 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
2852aafd | 8527 | return -TARGET_EFAULT; |
106ec879 FB |
8528 | old_act->_sa_handler = oact._sa_handler; |
8529 | old_act->sa_flags = oact.sa_flags; | |
8530 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
8531 | old_act->sa_mask.sig[1] = 0; | |
8532 | old_act->sa_mask.sig[2] = 0; | |
8533 | old_act->sa_mask.sig[3] = 0; | |
8534 | unlock_user_struct(old_act, arg3, 1); | |
8535 | } | |
6049f4f8 RH |
8536 | #else |
8537 | struct target_old_sigaction *old_act; | |
8538 | struct target_sigaction act, oact, *pact; | |
8539 | if (arg2) { | |
8540 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
2852aafd | 8541 | return -TARGET_EFAULT; |
6049f4f8 RH |
8542 | act._sa_handler = old_act->_sa_handler; |
8543 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
8544 | act.sa_flags = old_act->sa_flags; | |
8545 | act.sa_restorer = old_act->sa_restorer; | |
5de154e8 LV |
8546 | #ifdef TARGET_ARCH_HAS_KA_RESTORER |
8547 | act.ka_restorer = 0; | |
8548 | #endif | |
6049f4f8 RH |
8549 | unlock_user_struct(old_act, arg2, 0); |
8550 | pact = &act; | |
8551 | } else { | |
8552 | pact = NULL; | |
8553 | } | |
8554 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
8555 | if (!is_error(ret) && arg3) { | |
8556 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
2852aafd | 8557 | return -TARGET_EFAULT; |
6049f4f8 RH |
8558 | old_act->_sa_handler = oact._sa_handler; |
8559 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
8560 | old_act->sa_flags = oact.sa_flags; | |
8561 | old_act->sa_restorer = oact.sa_restorer; | |
8562 | unlock_user_struct(old_act, arg3, 1); | |
8563 | } | |
388bb21a | 8564 | #endif |
31e31b8a | 8565 | } |
72eb7ea8 | 8566 | return ret; |
e5febef5 | 8567 | #endif |
66fb9763 | 8568 | case TARGET_NR_rt_sigaction: |
53a5960a | 8569 | { |
6049f4f8 | 8570 | #if defined(TARGET_ALPHA) |
78bfef72 PM |
8571 | /* For Alpha and SPARC this is a 5 argument syscall, with |
8572 | * a 'restorer' parameter which must be copied into the | |
8573 | * sa_restorer field of the sigaction struct. | |
8574 | * For Alpha that 'restorer' is arg5; for SPARC it is arg4, | |
8575 | * and arg5 is the sigsetsize. | |
8576 | * Alpha also has a separate rt_sigaction struct that it uses | |
8577 | * here; SPARC uses the usual sigaction struct. | |
8578 | */ | |
6049f4f8 | 8579 | struct target_rt_sigaction *rt_act; |
78bfef72 | 8580 | struct target_sigaction act, oact, *pact = 0; |
c815701e PM |
8581 | |
8582 | if (arg4 != sizeof(target_sigset_t)) { | |
72eb7ea8 | 8583 | return -TARGET_EINVAL; |
c815701e | 8584 | } |
6049f4f8 RH |
8585 | if (arg2) { |
8586 | if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) | |
2852aafd | 8587 | return -TARGET_EFAULT; |
6049f4f8 RH |
8588 | act._sa_handler = rt_act->_sa_handler; |
8589 | act.sa_mask = rt_act->sa_mask; | |
8590 | act.sa_flags = rt_act->sa_flags; | |
8591 | act.sa_restorer = arg5; | |
8592 | unlock_user_struct(rt_act, arg2, 0); | |
8593 | pact = &act; | |
8594 | } | |
8595 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
8596 | if (!is_error(ret) && arg3) { | |
8597 | if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) | |
2852aafd | 8598 | return -TARGET_EFAULT; |
6049f4f8 RH |
8599 | rt_act->_sa_handler = oact._sa_handler; |
8600 | rt_act->sa_mask = oact.sa_mask; | |
8601 | rt_act->sa_flags = oact.sa_flags; | |
8602 | unlock_user_struct(rt_act, arg3, 1); | |
8603 | } | |
8604 | #else | |
78bfef72 PM |
8605 | #ifdef TARGET_SPARC |
8606 | target_ulong restorer = arg4; | |
8607 | target_ulong sigsetsize = arg5; | |
8608 | #else | |
8609 | target_ulong sigsetsize = arg4; | |
8610 | #endif | |
53a5960a PB |
8611 | struct target_sigaction *act; |
8612 | struct target_sigaction *oact; | |
8613 | ||
78bfef72 | 8614 | if (sigsetsize != sizeof(target_sigset_t)) { |
72eb7ea8 | 8615 | return -TARGET_EINVAL; |
c815701e | 8616 | } |
579a97f7 | 8617 | if (arg2) { |
78bfef72 | 8618 | if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) { |
2852aafd | 8619 | return -TARGET_EFAULT; |
78bfef72 | 8620 | } |
5de154e8 LV |
8621 | #ifdef TARGET_ARCH_HAS_KA_RESTORER |
8622 | act->ka_restorer = restorer; | |
78bfef72 PM |
8623 | #endif |
8624 | } else { | |
53a5960a | 8625 | act = NULL; |
78bfef72 | 8626 | } |
579a97f7 FB |
8627 | if (arg3) { |
8628 | if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { | |
8629 | ret = -TARGET_EFAULT; | |
8630 | goto rt_sigaction_fail; | |
8631 | } | |
8632 | } else | |
53a5960a PB |
8633 | oact = NULL; |
8634 | ret = get_errno(do_sigaction(arg1, act, oact)); | |
579a97f7 FB |
8635 | rt_sigaction_fail: |
8636 | if (act) | |
53a5960a | 8637 | unlock_user_struct(act, arg2, 0); |
579a97f7 | 8638 | if (oact) |
53a5960a | 8639 | unlock_user_struct(oact, arg3, 1); |
6049f4f8 | 8640 | #endif |
53a5960a | 8641 | } |
72eb7ea8 | 8642 | return ret; |
7a3148a9 | 8643 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 8644 | case TARGET_NR_sgetmask: |
66fb9763 FB |
8645 | { |
8646 | sigset_t cur_set; | |
992f48a0 | 8647 | abi_ulong target_set; |
3d3efba0 PM |
8648 | ret = do_sigprocmask(0, NULL, &cur_set); |
8649 | if (!ret) { | |
8650 | host_to_target_old_sigset(&target_set, &cur_set); | |
8651 | ret = target_set; | |
8652 | } | |
66fb9763 | 8653 | } |
72eb7ea8 | 8654 | return ret; |
7a3148a9 JM |
8655 | #endif |
8656 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 8657 | case TARGET_NR_ssetmask: |
66fb9763 | 8658 | { |
a8617d8c | 8659 | sigset_t set, oset; |
992f48a0 | 8660 | abi_ulong target_set = arg1; |
66fb9763 | 8661 | target_to_host_old_sigset(&set, &target_set); |
3d3efba0 PM |
8662 | ret = do_sigprocmask(SIG_SETMASK, &set, &oset); |
8663 | if (!ret) { | |
8664 | host_to_target_old_sigset(&target_set, &oset); | |
8665 | ret = target_set; | |
8666 | } | |
66fb9763 | 8667 | } |
72eb7ea8 | 8668 | return ret; |
7a3148a9 | 8669 | #endif |
e5febef5 | 8670 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
8671 | case TARGET_NR_sigprocmask: |
8672 | { | |
a5b3b13b RH |
8673 | #if defined(TARGET_ALPHA) |
8674 | sigset_t set, oldset; | |
8675 | abi_ulong mask; | |
8676 | int how; | |
8677 | ||
8678 | switch (arg1) { | |
8679 | case TARGET_SIG_BLOCK: | |
8680 | how = SIG_BLOCK; | |
8681 | break; | |
8682 | case TARGET_SIG_UNBLOCK: | |
8683 | how = SIG_UNBLOCK; | |
8684 | break; | |
8685 | case TARGET_SIG_SETMASK: | |
8686 | how = SIG_SETMASK; | |
8687 | break; | |
8688 | default: | |
259841c1 | 8689 | return -TARGET_EINVAL; |
a5b3b13b RH |
8690 | } |
8691 | mask = arg2; | |
8692 | target_to_host_old_sigset(&set, &mask); | |
8693 | ||
3d3efba0 | 8694 | ret = do_sigprocmask(how, &set, &oldset); |
a5b3b13b RH |
8695 | if (!is_error(ret)) { |
8696 | host_to_target_old_sigset(&mask, &oldset); | |
8697 | ret = mask; | |
0229f5a3 | 8698 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
8699 | } |
8700 | #else | |
66fb9763 | 8701 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 8702 | int how; |
3b46e624 | 8703 | |
53a5960a | 8704 | if (arg2) { |
a5b3b13b | 8705 | switch (arg1) { |
66fb9763 FB |
8706 | case TARGET_SIG_BLOCK: |
8707 | how = SIG_BLOCK; | |
8708 | break; | |
8709 | case TARGET_SIG_UNBLOCK: | |
8710 | how = SIG_UNBLOCK; | |
8711 | break; | |
8712 | case TARGET_SIG_SETMASK: | |
8713 | how = SIG_SETMASK; | |
8714 | break; | |
8715 | default: | |
259841c1 | 8716 | return -TARGET_EINVAL; |
66fb9763 | 8717 | } |
c227f099 | 8718 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
2852aafd | 8719 | return -TARGET_EFAULT; |
53a5960a PB |
8720 | target_to_host_old_sigset(&set, p); |
8721 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
8722 | set_ptr = &set; |
8723 | } else { | |
8724 | how = 0; | |
8725 | set_ptr = NULL; | |
8726 | } | |
3d3efba0 | 8727 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 8728 | if (!is_error(ret) && arg3) { |
c227f099 | 8729 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 8730 | return -TARGET_EFAULT; |
53a5960a | 8731 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 8732 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 8733 | } |
a5b3b13b | 8734 | #endif |
66fb9763 | 8735 | } |
72eb7ea8 | 8736 | return ret; |
e5febef5 | 8737 | #endif |
66fb9763 FB |
8738 | case TARGET_NR_rt_sigprocmask: |
8739 | { | |
8740 | int how = arg1; | |
8741 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 8742 | |
c815701e | 8743 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 8744 | return -TARGET_EINVAL; |
c815701e PM |
8745 | } |
8746 | ||
53a5960a | 8747 | if (arg2) { |
66fb9763 FB |
8748 | switch(how) { |
8749 | case TARGET_SIG_BLOCK: | |
8750 | how = SIG_BLOCK; | |
8751 | break; | |
8752 | case TARGET_SIG_UNBLOCK: | |
8753 | how = SIG_UNBLOCK; | |
8754 | break; | |
8755 | case TARGET_SIG_SETMASK: | |
8756 | how = SIG_SETMASK; | |
8757 | break; | |
8758 | default: | |
259841c1 | 8759 | return -TARGET_EINVAL; |
66fb9763 | 8760 | } |
c227f099 | 8761 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
2852aafd | 8762 | return -TARGET_EFAULT; |
53a5960a PB |
8763 | target_to_host_sigset(&set, p); |
8764 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
8765 | set_ptr = &set; |
8766 | } else { | |
8767 | how = 0; | |
8768 | set_ptr = NULL; | |
8769 | } | |
3d3efba0 | 8770 | ret = do_sigprocmask(how, set_ptr, &oldset); |
53a5960a | 8771 | if (!is_error(ret) && arg3) { |
c227f099 | 8772 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
2852aafd | 8773 | return -TARGET_EFAULT; |
53a5960a | 8774 | host_to_target_sigset(p, &oldset); |
c227f099 | 8775 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
8776 | } |
8777 | } | |
72eb7ea8 | 8778 | return ret; |
e5febef5 | 8779 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
8780 | case TARGET_NR_sigpending: |
8781 | { | |
8782 | sigset_t set; | |
8783 | ret = get_errno(sigpending(&set)); | |
8784 | if (!is_error(ret)) { | |
c227f099 | 8785 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 8786 | return -TARGET_EFAULT; |
53a5960a | 8787 | host_to_target_old_sigset(p, &set); |
c227f099 | 8788 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
8789 | } |
8790 | } | |
72eb7ea8 | 8791 | return ret; |
e5febef5 | 8792 | #endif |
66fb9763 FB |
8793 | case TARGET_NR_rt_sigpending: |
8794 | { | |
8795 | sigset_t set; | |
c815701e PM |
8796 | |
8797 | /* Yes, this check is >, not != like most. We follow the kernel's | |
8798 | * logic and it does it like this because it implements | |
8799 | * NR_sigpending through the same code path, and in that case | |
8800 | * the old_sigset_t is smaller in size. | |
8801 | */ | |
8802 | if (arg2 > sizeof(target_sigset_t)) { | |
72eb7ea8 | 8803 | return -TARGET_EINVAL; |
c815701e PM |
8804 | } |
8805 | ||
66fb9763 FB |
8806 | ret = get_errno(sigpending(&set)); |
8807 | if (!is_error(ret)) { | |
c227f099 | 8808 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
2852aafd | 8809 | return -TARGET_EFAULT; |
53a5960a | 8810 | host_to_target_sigset(p, &set); |
c227f099 | 8811 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
8812 | } |
8813 | } | |
72eb7ea8 | 8814 | return ret; |
e5febef5 | 8815 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
8816 | case TARGET_NR_sigsuspend: |
8817 | { | |
3d3efba0 | 8818 | TaskState *ts = cpu->opaque; |
f43ce12b RH |
8819 | #if defined(TARGET_ALPHA) |
8820 | abi_ulong mask = arg1; | |
3d3efba0 | 8821 | target_to_host_old_sigset(&ts->sigsuspend_mask, &mask); |
f43ce12b | 8822 | #else |
c227f099 | 8823 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 8824 | return -TARGET_EFAULT; |
3d3efba0 | 8825 | target_to_host_old_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 8826 | unlock_user(p, arg1, 0); |
f43ce12b | 8827 | #endif |
3d3efba0 PM |
8828 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
8829 | SIGSET_T_SIZE)); | |
8830 | if (ret != -TARGET_ERESTARTSYS) { | |
8831 | ts->in_sigsuspend = 1; | |
8832 | } | |
66fb9763 | 8833 | } |
72eb7ea8 | 8834 | return ret; |
e5febef5 | 8835 | #endif |
66fb9763 FB |
8836 | case TARGET_NR_rt_sigsuspend: |
8837 | { | |
3d3efba0 | 8838 | TaskState *ts = cpu->opaque; |
c815701e PM |
8839 | |
8840 | if (arg2 != sizeof(target_sigset_t)) { | |
72eb7ea8 | 8841 | return -TARGET_EINVAL; |
c815701e | 8842 | } |
c227f099 | 8843 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 8844 | return -TARGET_EFAULT; |
3d3efba0 | 8845 | target_to_host_sigset(&ts->sigsuspend_mask, p); |
53a5960a | 8846 | unlock_user(p, arg1, 0); |
3d3efba0 PM |
8847 | ret = get_errno(safe_rt_sigsuspend(&ts->sigsuspend_mask, |
8848 | SIGSET_T_SIZE)); | |
8849 | if (ret != -TARGET_ERESTARTSYS) { | |
8850 | ts->in_sigsuspend = 1; | |
8851 | } | |
66fb9763 | 8852 | } |
72eb7ea8 | 8853 | return ret; |
859e8a89 | 8854 | #ifdef TARGET_NR_rt_sigtimedwait |
66fb9763 FB |
8855 | case TARGET_NR_rt_sigtimedwait: |
8856 | { | |
66fb9763 FB |
8857 | sigset_t set; |
8858 | struct timespec uts, *puts; | |
8859 | siginfo_t uinfo; | |
3b46e624 | 8860 | |
c815701e | 8861 | if (arg4 != sizeof(target_sigset_t)) { |
72eb7ea8 | 8862 | return -TARGET_EINVAL; |
c815701e PM |
8863 | } |
8864 | ||
c227f099 | 8865 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
2852aafd | 8866 | return -TARGET_EFAULT; |
53a5960a PB |
8867 | target_to_host_sigset(&set, p); |
8868 | unlock_user(p, arg1, 0); | |
8869 | if (arg3) { | |
66fb9763 | 8870 | puts = &uts; |
53a5960a | 8871 | target_to_host_timespec(puts, arg3); |
66fb9763 FB |
8872 | } else { |
8873 | puts = NULL; | |
8874 | } | |
b3f82330 PM |
8875 | ret = get_errno(safe_rt_sigtimedwait(&set, &uinfo, puts, |
8876 | SIGSET_T_SIZE)); | |
974a196d PJ |
8877 | if (!is_error(ret)) { |
8878 | if (arg2) { | |
8879 | p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), | |
8880 | 0); | |
8881 | if (!p) { | |
2852aafd | 8882 | return -TARGET_EFAULT; |
974a196d PJ |
8883 | } |
8884 | host_to_target_siginfo(p, &uinfo); | |
8885 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
8886 | } | |
8887 | ret = host_to_target_signal(ret); | |
66fb9763 FB |
8888 | } |
8889 | } | |
72eb7ea8 | 8890 | return ret; |
859e8a89 | 8891 | #endif |
66fb9763 FB |
8892 | case TARGET_NR_rt_sigqueueinfo: |
8893 | { | |
8894 | siginfo_t uinfo; | |
4debae6f PM |
8895 | |
8896 | p = lock_user(VERIFY_READ, arg3, sizeof(target_siginfo_t), 1); | |
8897 | if (!p) { | |
2852aafd | 8898 | return -TARGET_EFAULT; |
4debae6f | 8899 | } |
53a5960a | 8900 | target_to_host_siginfo(&uinfo, p); |
d8b6d892 | 8901 | unlock_user(p, arg3, 0); |
66fb9763 FB |
8902 | ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
8903 | } | |
72eb7ea8 | 8904 | return ret; |
cf8b8bfc MS |
8905 | case TARGET_NR_rt_tgsigqueueinfo: |
8906 | { | |
8907 | siginfo_t uinfo; | |
8908 | ||
8909 | p = lock_user(VERIFY_READ, arg4, sizeof(target_siginfo_t), 1); | |
8910 | if (!p) { | |
2852aafd | 8911 | return -TARGET_EFAULT; |
cf8b8bfc MS |
8912 | } |
8913 | target_to_host_siginfo(&uinfo, p); | |
8914 | unlock_user(p, arg4, 0); | |
8915 | ret = get_errno(sys_rt_tgsigqueueinfo(arg1, arg2, arg3, &uinfo)); | |
8916 | } | |
72eb7ea8 | 8917 | return ret; |
e5febef5 | 8918 | #ifdef TARGET_NR_sigreturn |
66fb9763 | 8919 | case TARGET_NR_sigreturn: |
3d3efba0 | 8920 | if (block_signals()) { |
72eb7ea8 | 8921 | return -TARGET_ERESTARTSYS; |
3d3efba0 | 8922 | } |
72eb7ea8 | 8923 | return do_sigreturn(cpu_env); |
e5febef5 | 8924 | #endif |
66fb9763 | 8925 | case TARGET_NR_rt_sigreturn: |
3d3efba0 | 8926 | if (block_signals()) { |
72eb7ea8 | 8927 | return -TARGET_ERESTARTSYS; |
3d3efba0 | 8928 | } |
72eb7ea8 | 8929 | return do_rt_sigreturn(cpu_env); |
31e31b8a | 8930 | case TARGET_NR_sethostname: |
579a97f7 | 8931 | if (!(p = lock_user_string(arg1))) |
2852aafd | 8932 | return -TARGET_EFAULT; |
53a5960a PB |
8933 | ret = get_errno(sethostname(p, arg2)); |
8934 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 8935 | return ret; |
4f7f8924 | 8936 | #ifdef TARGET_NR_setrlimit |
31e31b8a | 8937 | case TARGET_NR_setrlimit: |
9de5e440 | 8938 | { |
e22b7015 | 8939 | int resource = target_to_host_resource(arg1); |
53a5960a | 8940 | struct target_rlimit *target_rlim; |
9de5e440 | 8941 | struct rlimit rlim; |
579a97f7 | 8942 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
2852aafd | 8943 | return -TARGET_EFAULT; |
81bbe906 TY |
8944 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
8945 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 8946 | unlock_user_struct(target_rlim, arg2, 0); |
5dfa88f7 MF |
8947 | /* |
8948 | * If we just passed through resource limit settings for memory then | |
8949 | * they would also apply to QEMU's own allocations, and QEMU will | |
8950 | * crash or hang or die if its allocations fail. Ideally we would | |
8951 | * track the guest allocations in QEMU and apply the limits ourselves. | |
8952 | * For now, just tell the guest the call succeeded but don't actually | |
8953 | * limit anything. | |
8954 | */ | |
8955 | if (resource != RLIMIT_AS && | |
8956 | resource != RLIMIT_DATA && | |
8957 | resource != RLIMIT_STACK) { | |
8958 | return get_errno(setrlimit(resource, &rlim)); | |
8959 | } else { | |
8960 | return 0; | |
8961 | } | |
9de5e440 | 8962 | } |
4f7f8924 AR |
8963 | #endif |
8964 | #ifdef TARGET_NR_getrlimit | |
31e31b8a | 8965 | case TARGET_NR_getrlimit: |
9de5e440 | 8966 | { |
e22b7015 | 8967 | int resource = target_to_host_resource(arg1); |
53a5960a | 8968 | struct target_rlimit *target_rlim; |
9de5e440 | 8969 | struct rlimit rlim; |
3b46e624 | 8970 | |
9de5e440 FB |
8971 | ret = get_errno(getrlimit(resource, &rlim)); |
8972 | if (!is_error(ret)) { | |
579a97f7 | 8973 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 8974 | return -TARGET_EFAULT; |
81bbe906 TY |
8975 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
8976 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 8977 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
8978 | } |
8979 | } | |
72eb7ea8 | 8980 | return ret; |
4f7f8924 | 8981 | #endif |
31e31b8a | 8982 | case TARGET_NR_getrusage: |
b409186b FB |
8983 | { |
8984 | struct rusage rusage; | |
b409186b FB |
8985 | ret = get_errno(getrusage(arg1, &rusage)); |
8986 | if (!is_error(ret)) { | |
a39fb273 | 8987 | ret = host_to_target_rusage(arg2, &rusage); |
b409186b FB |
8988 | } |
8989 | } | |
72eb7ea8 | 8990 | return ret; |
859e8a89 | 8991 | #if defined(TARGET_NR_gettimeofday) |
31e31b8a FB |
8992 | case TARGET_NR_gettimeofday: |
8993 | { | |
31e31b8a | 8994 | struct timeval tv; |
a52f5f87 RH |
8995 | struct timezone tz; |
8996 | ||
8997 | ret = get_errno(gettimeofday(&tv, &tz)); | |
31e31b8a | 8998 | if (!is_error(ret)) { |
a52f5f87 RH |
8999 | if (arg1 && copy_to_user_timeval(arg1, &tv)) { |
9000 | return -TARGET_EFAULT; | |
9001 | } | |
9002 | if (arg2 && copy_to_user_timezone(arg2, &tz)) { | |
2852aafd | 9003 | return -TARGET_EFAULT; |
a52f5f87 | 9004 | } |
31e31b8a FB |
9005 | } |
9006 | } | |
72eb7ea8 | 9007 | return ret; |
859e8a89 AF |
9008 | #endif |
9009 | #if defined(TARGET_NR_settimeofday) | |
31e31b8a FB |
9010 | case TARGET_NR_settimeofday: |
9011 | { | |
b67d8031 | 9012 | struct timeval tv, *ptv = NULL; |
ef4467e9 PB |
9013 | struct timezone tz, *ptz = NULL; |
9014 | ||
b67d8031 PB |
9015 | if (arg1) { |
9016 | if (copy_from_user_timeval(&tv, arg1)) { | |
2852aafd | 9017 | return -TARGET_EFAULT; |
b67d8031 PB |
9018 | } |
9019 | ptv = &tv; | |
9020 | } | |
ef4467e9 PB |
9021 | |
9022 | if (arg2) { | |
9023 | if (copy_from_user_timezone(&tz, arg2)) { | |
2852aafd | 9024 | return -TARGET_EFAULT; |
ef4467e9 PB |
9025 | } |
9026 | ptz = &tz; | |
9027 | } | |
9028 | ||
72eb7ea8 | 9029 | return get_errno(settimeofday(ptv, ptz)); |
31e31b8a | 9030 | } |
859e8a89 | 9031 | #endif |
9468a5d4 | 9032 | #if defined(TARGET_NR_select) |
31e31b8a | 9033 | case TARGET_NR_select: |
5457dc9e LV |
9034 | #if defined(TARGET_WANT_NI_OLD_SELECT) |
9035 | /* some architectures used to have old_select here | |
9036 | * but now ENOSYS it. | |
9037 | */ | |
9038 | ret = -TARGET_ENOSYS; | |
9039 | #elif defined(TARGET_WANT_OLD_SYS_SELECT) | |
9040 | ret = do_old_select(arg1); | |
9468a5d4 | 9041 | #else |
5457dc9e | 9042 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
9468a5d4 | 9043 | #endif |
72eb7ea8 | 9044 | return ret; |
9e42382f RV |
9045 | #endif |
9046 | #ifdef TARGET_NR_pselect6 | |
9047 | case TARGET_NR_pselect6: | |
055e0906 MF |
9048 | { |
9049 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
9050 | fd_set rfds, wfds, efds; | |
9051 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
9052 | struct timespec ts, *ts_ptr; | |
9053 | ||
9054 | /* | |
9055 | * The 6th arg is actually two args smashed together, | |
9056 | * so we cannot use the C library. | |
9057 | */ | |
9058 | sigset_t set; | |
9059 | struct { | |
9060 | sigset_t *set; | |
9061 | size_t size; | |
9062 | } sig, *sig_ptr; | |
9063 | ||
9064 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
9065 | target_sigset_t *target_sigset; | |
9066 | ||
9067 | n = arg1; | |
9068 | rfd_addr = arg2; | |
9069 | wfd_addr = arg3; | |
9070 | efd_addr = arg4; | |
9071 | ts_addr = arg5; | |
9072 | ||
9073 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
9074 | if (ret) { | |
259841c1 | 9075 | return ret; |
055e0906 MF |
9076 | } |
9077 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
9078 | if (ret) { | |
259841c1 | 9079 | return ret; |
055e0906 MF |
9080 | } |
9081 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
9082 | if (ret) { | |
259841c1 | 9083 | return ret; |
055e0906 MF |
9084 | } |
9085 | ||
9086 | /* | |
9087 | * This takes a timespec, and not a timeval, so we cannot | |
9088 | * use the do_select() helper ... | |
9089 | */ | |
9090 | if (ts_addr) { | |
9091 | if (target_to_host_timespec(&ts, ts_addr)) { | |
2852aafd | 9092 | return -TARGET_EFAULT; |
055e0906 MF |
9093 | } |
9094 | ts_ptr = &ts; | |
9095 | } else { | |
9096 | ts_ptr = NULL; | |
9097 | } | |
9098 | ||
9099 | /* Extract the two packed args for the sigset */ | |
9100 | if (arg6) { | |
9101 | sig_ptr = &sig; | |
b28a1f33 | 9102 | sig.size = SIGSET_T_SIZE; |
055e0906 MF |
9103 | |
9104 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); | |
9105 | if (!arg7) { | |
2852aafd | 9106 | return -TARGET_EFAULT; |
055e0906 | 9107 | } |
cbb21eed MB |
9108 | arg_sigset = tswapal(arg7[0]); |
9109 | arg_sigsize = tswapal(arg7[1]); | |
055e0906 MF |
9110 | unlock_user(arg7, arg6, 0); |
9111 | ||
9112 | if (arg_sigset) { | |
9113 | sig.set = &set; | |
8f04eeb3 PM |
9114 | if (arg_sigsize != sizeof(*target_sigset)) { |
9115 | /* Like the kernel, we enforce correct size sigsets */ | |
259841c1 | 9116 | return -TARGET_EINVAL; |
8f04eeb3 | 9117 | } |
055e0906 MF |
9118 | target_sigset = lock_user(VERIFY_READ, arg_sigset, |
9119 | sizeof(*target_sigset), 1); | |
9120 | if (!target_sigset) { | |
2852aafd | 9121 | return -TARGET_EFAULT; |
055e0906 MF |
9122 | } |
9123 | target_to_host_sigset(&set, target_sigset); | |
9124 | unlock_user(target_sigset, arg_sigset, 0); | |
9125 | } else { | |
9126 | sig.set = NULL; | |
9127 | } | |
9128 | } else { | |
9129 | sig_ptr = NULL; | |
9130 | } | |
9131 | ||
6df9d38d PM |
9132 | ret = get_errno(safe_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, |
9133 | ts_ptr, sig_ptr)); | |
055e0906 MF |
9134 | |
9135 | if (!is_error(ret)) { | |
9136 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
2852aafd | 9137 | return -TARGET_EFAULT; |
055e0906 | 9138 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) |
2852aafd | 9139 | return -TARGET_EFAULT; |
055e0906 | 9140 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) |
2852aafd | 9141 | return -TARGET_EFAULT; |
055e0906 MF |
9142 | |
9143 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) | |
2852aafd | 9144 | return -TARGET_EFAULT; |
055e0906 MF |
9145 | } |
9146 | } | |
72eb7ea8 | 9147 | return ret; |
048f6b4d | 9148 | #endif |
704eff6c | 9149 | #ifdef TARGET_NR_symlink |
31e31b8a | 9150 | case TARGET_NR_symlink: |
53a5960a PB |
9151 | { |
9152 | void *p2; | |
9153 | p = lock_user_string(arg1); | |
9154 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
9155 | if (!p || !p2) |
9156 | ret = -TARGET_EFAULT; | |
9157 | else | |
9158 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
9159 | unlock_user(p2, arg2, 0); |
9160 | unlock_user(p, arg1, 0); | |
9161 | } | |
72eb7ea8 | 9162 | return ret; |
704eff6c | 9163 | #endif |
c0d472b1 | 9164 | #if defined(TARGET_NR_symlinkat) |
f0b6243d | 9165 | case TARGET_NR_symlinkat: |
f0b6243d | 9166 | { |
579a97f7 | 9167 | void *p2; |
f0b6243d TS |
9168 | p = lock_user_string(arg1); |
9169 | p2 = lock_user_string(arg3); | |
579a97f7 | 9170 | if (!p || !p2) |
0da46a6e | 9171 | ret = -TARGET_EFAULT; |
f0b6243d | 9172 | else |
c0d472b1 | 9173 | ret = get_errno(symlinkat(p, arg2, p2)); |
579a97f7 FB |
9174 | unlock_user(p2, arg3, 0); |
9175 | unlock_user(p, arg1, 0); | |
f0b6243d | 9176 | } |
72eb7ea8 | 9177 | return ret; |
f0b6243d | 9178 | #endif |
704eff6c | 9179 | #ifdef TARGET_NR_readlink |
31e31b8a | 9180 | case TARGET_NR_readlink: |
53a5960a | 9181 | { |
463d8e73 | 9182 | void *p2; |
53a5960a | 9183 | p = lock_user_string(arg1); |
579a97f7 | 9184 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
463d8e73 | 9185 | if (!p || !p2) { |
579a97f7 | 9186 | ret = -TARGET_EFAULT; |
f17f4989 MF |
9187 | } else if (!arg3) { |
9188 | /* Short circuit this for the magic exe check. */ | |
9189 | ret = -TARGET_EINVAL; | |
463d8e73 AS |
9190 | } else if (is_proc_myself((const char *)p, "exe")) { |
9191 | char real[PATH_MAX], *temp; | |
9192 | temp = realpath(exec_path, real); | |
f17f4989 MF |
9193 | /* Return value is # of bytes that we wrote to the buffer. */ |
9194 | if (temp == NULL) { | |
9195 | ret = get_errno(-1); | |
9196 | } else { | |
9197 | /* Don't worry about sign mismatch as earlier mapping | |
9198 | * logic would have thrown a bad address error. */ | |
9199 | ret = MIN(strlen(real), arg3); | |
9200 | /* We cannot NUL terminate the string. */ | |
9201 | memcpy(p2, real, ret); | |
9202 | } | |
463d8e73 AS |
9203 | } else { |
9204 | ret = get_errno(readlink(path(p), p2, arg3)); | |
d088d664 | 9205 | } |
53a5960a PB |
9206 | unlock_user(p2, arg2, ret); |
9207 | unlock_user(p, arg1, 0); | |
9208 | } | |
72eb7ea8 | 9209 | return ret; |
704eff6c | 9210 | #endif |
c0d472b1 | 9211 | #if defined(TARGET_NR_readlinkat) |
5e0ccb18 | 9212 | case TARGET_NR_readlinkat: |
5e0ccb18 | 9213 | { |
579a97f7 | 9214 | void *p2; |
5e0ccb18 | 9215 | p = lock_user_string(arg2); |
579a97f7 | 9216 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
463d8e73 AS |
9217 | if (!p || !p2) { |
9218 | ret = -TARGET_EFAULT; | |
9219 | } else if (is_proc_myself((const char *)p, "exe")) { | |
9220 | char real[PATH_MAX], *temp; | |
9221 | temp = realpath(exec_path, real); | |
9222 | ret = temp == NULL ? get_errno(-1) : strlen(real) ; | |
9223 | snprintf((char *)p2, arg4, "%s", real); | |
9224 | } else { | |
c0d472b1 | 9225 | ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
463d8e73 | 9226 | } |
579a97f7 FB |
9227 | unlock_user(p2, arg3, ret); |
9228 | unlock_user(p, arg2, 0); | |
5e0ccb18 | 9229 | } |
72eb7ea8 | 9230 | return ret; |
5e0ccb18 | 9231 | #endif |
e5febef5 | 9232 | #ifdef TARGET_NR_swapon |
31e31b8a | 9233 | case TARGET_NR_swapon: |
579a97f7 | 9234 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9235 | return -TARGET_EFAULT; |
53a5960a PB |
9236 | ret = get_errno(swapon(p, arg2)); |
9237 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9238 | return ret; |
e5febef5 | 9239 | #endif |
31e31b8a | 9240 | case TARGET_NR_reboot: |
c07ecc68 LV |
9241 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
9242 | /* arg4 must be ignored in all other cases */ | |
9243 | p = lock_user_string(arg4); | |
9244 | if (!p) { | |
2852aafd | 9245 | return -TARGET_EFAULT; |
c07ecc68 LV |
9246 | } |
9247 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
9248 | unlock_user(p, arg4, 0); | |
9249 | } else { | |
9250 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
9251 | } | |
72eb7ea8 | 9252 | return ret; |
e5febef5 | 9253 | #ifdef TARGET_NR_mmap |
31e31b8a | 9254 | case TARGET_NR_mmap: |
09701199 AG |
9255 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
9256 | (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ | |
a4c075f1 UH |
9257 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
9258 | || defined(TARGET_S390X) | |
31e31b8a | 9259 | { |
992f48a0 BS |
9260 | abi_ulong *v; |
9261 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 | 9262 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
2852aafd | 9263 | return -TARGET_EFAULT; |
cbb21eed MB |
9264 | v1 = tswapal(v[0]); |
9265 | v2 = tswapal(v[1]); | |
9266 | v3 = tswapal(v[2]); | |
9267 | v4 = tswapal(v[3]); | |
9268 | v5 = tswapal(v[4]); | |
9269 | v6 = tswapal(v[5]); | |
53a5960a | 9270 | unlock_user(v, arg1, 0); |
5fafdf24 | 9271 | ret = get_errno(target_mmap(v1, v2, v3, |
5286db75 FB |
9272 | target_to_host_bitmask(v4, mmap_flags_tbl), |
9273 | v5, v6)); | |
31e31b8a | 9274 | } |
31e31b8a | 9275 | #else |
5fafdf24 TS |
9276 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
9277 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
6fb883e8 FB |
9278 | arg5, |
9279 | arg6)); | |
31e31b8a | 9280 | #endif |
72eb7ea8 | 9281 | return ret; |
e5febef5 | 9282 | #endif |
a315a145 | 9283 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 9284 | case TARGET_NR_mmap2: |
bb7ec043 | 9285 | #ifndef MMAP_SHIFT |
c573ff67 | 9286 | #define MMAP_SHIFT 12 |
c573ff67 | 9287 | #endif |
72eb7ea8 RH |
9288 | ret = target_mmap(arg1, arg2, arg3, |
9289 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
9290 | arg5, arg6 << MMAP_SHIFT); | |
9291 | return get_errno(ret); | |
a315a145 | 9292 | #endif |
31e31b8a | 9293 | case TARGET_NR_munmap: |
72eb7ea8 | 9294 | return get_errno(target_munmap(arg1, arg2)); |
9de5e440 | 9295 | case TARGET_NR_mprotect: |
97374d38 | 9296 | { |
0429a971 | 9297 | TaskState *ts = cpu->opaque; |
97374d38 PB |
9298 | /* Special hack to detect libc making the stack executable. */ |
9299 | if ((arg3 & PROT_GROWSDOWN) | |
9300 | && arg1 >= ts->info->stack_limit | |
9301 | && arg1 <= ts->info->start_stack) { | |
9302 | arg3 &= ~PROT_GROWSDOWN; | |
9303 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
9304 | arg1 = ts->info->stack_limit; | |
9305 | } | |
9306 | } | |
72eb7ea8 | 9307 | return get_errno(target_mprotect(arg1, arg2, arg3)); |
e5febef5 | 9308 | #ifdef TARGET_NR_mremap |
9de5e440 | 9309 | case TARGET_NR_mremap: |
72eb7ea8 | 9310 | return get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
e5febef5 | 9311 | #endif |
53a5960a | 9312 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 9313 | #ifdef TARGET_NR_msync |
9de5e440 | 9314 | case TARGET_NR_msync: |
72eb7ea8 | 9315 | return get_errno(msync(g2h(arg1), arg2, arg3)); |
e5febef5 TS |
9316 | #endif |
9317 | #ifdef TARGET_NR_mlock | |
9de5e440 | 9318 | case TARGET_NR_mlock: |
72eb7ea8 | 9319 | return get_errno(mlock(g2h(arg1), arg2)); |
e5febef5 TS |
9320 | #endif |
9321 | #ifdef TARGET_NR_munlock | |
9de5e440 | 9322 | case TARGET_NR_munlock: |
72eb7ea8 | 9323 | return get_errno(munlock(g2h(arg1), arg2)); |
e5febef5 TS |
9324 | #endif |
9325 | #ifdef TARGET_NR_mlockall | |
9de5e440 | 9326 | case TARGET_NR_mlockall: |
72eb7ea8 | 9327 | return get_errno(mlockall(target_to_host_mlockall_arg(arg1))); |
e5febef5 TS |
9328 | #endif |
9329 | #ifdef TARGET_NR_munlockall | |
9de5e440 | 9330 | case TARGET_NR_munlockall: |
72eb7ea8 | 9331 | return get_errno(munlockall()); |
e5febef5 | 9332 | #endif |
4f7f8924 | 9333 | #ifdef TARGET_NR_truncate |
31e31b8a | 9334 | case TARGET_NR_truncate: |
579a97f7 | 9335 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9336 | return -TARGET_EFAULT; |
53a5960a PB |
9337 | ret = get_errno(truncate(p, arg2)); |
9338 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9339 | return ret; |
4f7f8924 AR |
9340 | #endif |
9341 | #ifdef TARGET_NR_ftruncate | |
31e31b8a | 9342 | case TARGET_NR_ftruncate: |
72eb7ea8 | 9343 | return get_errno(ftruncate(arg1, arg2)); |
4f7f8924 | 9344 | #endif |
31e31b8a | 9345 | case TARGET_NR_fchmod: |
72eb7ea8 | 9346 | return get_errno(fchmod(arg1, arg2)); |
c0d472b1 | 9347 | #if defined(TARGET_NR_fchmodat) |
814d7977 | 9348 | case TARGET_NR_fchmodat: |
579a97f7 | 9349 | if (!(p = lock_user_string(arg2))) |
2852aafd | 9350 | return -TARGET_EFAULT; |
c0d472b1 | 9351 | ret = get_errno(fchmodat(arg1, p, arg3, 0)); |
579a97f7 | 9352 | unlock_user(p, arg2, 0); |
72eb7ea8 | 9353 | return ret; |
814d7977 | 9354 | #endif |
31e31b8a | 9355 | case TARGET_NR_getpriority: |
95c09828 RH |
9356 | /* Note that negative values are valid for getpriority, so we must |
9357 | differentiate based on errno settings. */ | |
9358 | errno = 0; | |
9359 | ret = getpriority(arg1, arg2); | |
9360 | if (ret == -1 && errno != 0) { | |
72eb7ea8 | 9361 | return -host_to_target_errno(errno); |
95c09828 RH |
9362 | } |
9363 | #ifdef TARGET_ALPHA | |
9364 | /* Return value is the unbiased priority. Signal no error. */ | |
9365 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; | |
9366 | #else | |
9367 | /* Return value is a biased priority to avoid negative numbers. */ | |
9368 | ret = 20 - ret; | |
9369 | #endif | |
72eb7ea8 | 9370 | return ret; |
31e31b8a | 9371 | case TARGET_NR_setpriority: |
72eb7ea8 | 9372 | return get_errno(setpriority(arg1, arg2, arg3)); |
4f7f8924 | 9373 | #ifdef TARGET_NR_statfs |
31e31b8a | 9374 | case TARGET_NR_statfs: |
2852aafd RH |
9375 | if (!(p = lock_user_string(arg1))) { |
9376 | return -TARGET_EFAULT; | |
9377 | } | |
53a5960a PB |
9378 | ret = get_errno(statfs(path(p), &stfs)); |
9379 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
9380 | convert_statfs: |
9381 | if (!is_error(ret)) { | |
53a5960a | 9382 | struct target_statfs *target_stfs; |
3b46e624 | 9383 | |
579a97f7 | 9384 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
2852aafd | 9385 | return -TARGET_EFAULT; |
579a97f7 FB |
9386 | __put_user(stfs.f_type, &target_stfs->f_type); |
9387 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
9388 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
9389 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
9390 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
9391 | __put_user(stfs.f_files, &target_stfs->f_files); | |
9392 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
9393 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
9394 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
9395 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 | 9396 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
d4247ec2 SL |
9397 | #ifdef _STATFS_F_FLAGS |
9398 | __put_user(stfs.f_flags, &target_stfs->f_flags); | |
9399 | #else | |
9400 | __put_user(0, &target_stfs->f_flags); | |
9401 | #endif | |
229d3376 | 9402 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); |
53a5960a | 9403 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a | 9404 | } |
72eb7ea8 | 9405 | return ret; |
4f7f8924 AR |
9406 | #endif |
9407 | #ifdef TARGET_NR_fstatfs | |
31e31b8a | 9408 | case TARGET_NR_fstatfs: |
56c8f68f | 9409 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 9410 | goto convert_statfs; |
4f7f8924 | 9411 | #endif |
56c8f68f FB |
9412 | #ifdef TARGET_NR_statfs64 |
9413 | case TARGET_NR_statfs64: | |
2852aafd RH |
9414 | if (!(p = lock_user_string(arg1))) { |
9415 | return -TARGET_EFAULT; | |
9416 | } | |
53a5960a PB |
9417 | ret = get_errno(statfs(path(p), &stfs)); |
9418 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
9419 | convert_statfs64: |
9420 | if (!is_error(ret)) { | |
53a5960a | 9421 | struct target_statfs64 *target_stfs; |
3b46e624 | 9422 | |
579a97f7 | 9423 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
2852aafd | 9424 | return -TARGET_EFAULT; |
579a97f7 FB |
9425 | __put_user(stfs.f_type, &target_stfs->f_type); |
9426 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
9427 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
9428 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
9429 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
9430 | __put_user(stfs.f_files, &target_stfs->f_files); | |
9431 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
9432 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
9433 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
9434 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
9435 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
9436 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
579a97f7 | 9437 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f | 9438 | } |
72eb7ea8 | 9439 | return ret; |
56c8f68f FB |
9440 | case TARGET_NR_fstatfs64: |
9441 | ret = get_errno(fstatfs(arg1, &stfs)); | |
9442 | goto convert_statfs64; | |
9443 | #endif | |
e5febef5 | 9444 | #ifdef TARGET_NR_socketcall |
31e31b8a | 9445 | case TARGET_NR_socketcall: |
72eb7ea8 | 9446 | return do_socketcall(arg1, arg2); |
e5febef5 | 9447 | #endif |
3532fa74 FB |
9448 | #ifdef TARGET_NR_accept |
9449 | case TARGET_NR_accept: | |
72eb7ea8 | 9450 | return do_accept4(arg1, arg2, arg3, 0); |
a94b4987 PM |
9451 | #endif |
9452 | #ifdef TARGET_NR_accept4 | |
9453 | case TARGET_NR_accept4: | |
72eb7ea8 | 9454 | return do_accept4(arg1, arg2, arg3, arg4); |
3532fa74 FB |
9455 | #endif |
9456 | #ifdef TARGET_NR_bind | |
9457 | case TARGET_NR_bind: | |
72eb7ea8 | 9458 | return do_bind(arg1, arg2, arg3); |
3532fa74 FB |
9459 | #endif |
9460 | #ifdef TARGET_NR_connect | |
9461 | case TARGET_NR_connect: | |
72eb7ea8 | 9462 | return do_connect(arg1, arg2, arg3); |
3532fa74 FB |
9463 | #endif |
9464 | #ifdef TARGET_NR_getpeername | |
9465 | case TARGET_NR_getpeername: | |
72eb7ea8 | 9466 | return do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
9467 | #endif |
9468 | #ifdef TARGET_NR_getsockname | |
9469 | case TARGET_NR_getsockname: | |
72eb7ea8 | 9470 | return do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
9471 | #endif |
9472 | #ifdef TARGET_NR_getsockopt | |
9473 | case TARGET_NR_getsockopt: | |
72eb7ea8 | 9474 | return do_getsockopt(arg1, arg2, arg3, arg4, arg5); |
3532fa74 FB |
9475 | #endif |
9476 | #ifdef TARGET_NR_listen | |
9477 | case TARGET_NR_listen: | |
72eb7ea8 | 9478 | return get_errno(listen(arg1, arg2)); |
3532fa74 FB |
9479 | #endif |
9480 | #ifdef TARGET_NR_recv | |
9481 | case TARGET_NR_recv: | |
72eb7ea8 | 9482 | return do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
9483 | #endif |
9484 | #ifdef TARGET_NR_recvfrom | |
9485 | case TARGET_NR_recvfrom: | |
72eb7ea8 | 9486 | return do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
9487 | #endif |
9488 | #ifdef TARGET_NR_recvmsg | |
9489 | case TARGET_NR_recvmsg: | |
72eb7ea8 | 9490 | return do_sendrecvmsg(arg1, arg2, arg3, 0); |
3532fa74 FB |
9491 | #endif |
9492 | #ifdef TARGET_NR_send | |
9493 | case TARGET_NR_send: | |
72eb7ea8 | 9494 | return do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
9495 | #endif |
9496 | #ifdef TARGET_NR_sendmsg | |
9497 | case TARGET_NR_sendmsg: | |
72eb7ea8 | 9498 | return do_sendrecvmsg(arg1, arg2, arg3, 1); |
3532fa74 | 9499 | #endif |
f19e00d7 AG |
9500 | #ifdef TARGET_NR_sendmmsg |
9501 | case TARGET_NR_sendmmsg: | |
72eb7ea8 | 9502 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); |
859e8a89 AF |
9503 | #endif |
9504 | #ifdef TARGET_NR_recvmmsg | |
f19e00d7 | 9505 | case TARGET_NR_recvmmsg: |
72eb7ea8 | 9506 | return do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); |
f19e00d7 | 9507 | #endif |
3532fa74 FB |
9508 | #ifdef TARGET_NR_sendto |
9509 | case TARGET_NR_sendto: | |
72eb7ea8 | 9510 | return do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
9511 | #endif |
9512 | #ifdef TARGET_NR_shutdown | |
9513 | case TARGET_NR_shutdown: | |
72eb7ea8 | 9514 | return get_errno(shutdown(arg1, arg2)); |
3532fa74 | 9515 | #endif |
f894efd1 LV |
9516 | #if defined(TARGET_NR_getrandom) && defined(__NR_getrandom) |
9517 | case TARGET_NR_getrandom: | |
9518 | p = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
9519 | if (!p) { | |
2852aafd | 9520 | return -TARGET_EFAULT; |
f894efd1 LV |
9521 | } |
9522 | ret = get_errno(getrandom(p, arg2, arg3)); | |
9523 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 9524 | return ret; |
f894efd1 | 9525 | #endif |
3532fa74 FB |
9526 | #ifdef TARGET_NR_socket |
9527 | case TARGET_NR_socket: | |
72eb7ea8 | 9528 | return do_socket(arg1, arg2, arg3); |
3532fa74 FB |
9529 | #endif |
9530 | #ifdef TARGET_NR_socketpair | |
9531 | case TARGET_NR_socketpair: | |
72eb7ea8 | 9532 | return do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
9533 | #endif |
9534 | #ifdef TARGET_NR_setsockopt | |
9535 | case TARGET_NR_setsockopt: | |
72eb7ea8 | 9536 | return do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); |
3532fa74 | 9537 | #endif |
da2c8ad7 | 9538 | #if defined(TARGET_NR_syslog) |
31e31b8a | 9539 | case TARGET_NR_syslog: |
da2c8ad7 AM |
9540 | { |
9541 | int len = arg2; | |
7494b0f9 | 9542 | |
da2c8ad7 AM |
9543 | switch (arg1) { |
9544 | case TARGET_SYSLOG_ACTION_CLOSE: /* Close log */ | |
9545 | case TARGET_SYSLOG_ACTION_OPEN: /* Open log */ | |
9546 | case TARGET_SYSLOG_ACTION_CLEAR: /* Clear ring buffer */ | |
9547 | case TARGET_SYSLOG_ACTION_CONSOLE_OFF: /* Disable logging */ | |
9548 | case TARGET_SYSLOG_ACTION_CONSOLE_ON: /* Enable logging */ | |
9549 | case TARGET_SYSLOG_ACTION_CONSOLE_LEVEL: /* Set messages level */ | |
9550 | case TARGET_SYSLOG_ACTION_SIZE_UNREAD: /* Number of chars */ | |
9551 | case TARGET_SYSLOG_ACTION_SIZE_BUFFER: /* Size of the buffer */ | |
72eb7ea8 | 9552 | return get_errno(sys_syslog((int)arg1, NULL, (int)arg3)); |
da2c8ad7 AM |
9553 | case TARGET_SYSLOG_ACTION_READ: /* Read from log */ |
9554 | case TARGET_SYSLOG_ACTION_READ_CLEAR: /* Read/clear msgs */ | |
9555 | case TARGET_SYSLOG_ACTION_READ_ALL: /* Read last messages */ | |
9556 | { | |
da2c8ad7 | 9557 | if (len < 0) { |
259841c1 | 9558 | return -TARGET_EINVAL; |
da2c8ad7 | 9559 | } |
da2c8ad7 | 9560 | if (len == 0) { |
72eb7ea8 | 9561 | return 0; |
da2c8ad7 AM |
9562 | } |
9563 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
9564 | if (!p) { | |
259841c1 | 9565 | return -TARGET_EFAULT; |
da2c8ad7 AM |
9566 | } |
9567 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); | |
9568 | unlock_user(p, arg2, arg3); | |
9569 | } | |
72eb7ea8 | 9570 | return ret; |
da2c8ad7 | 9571 | default: |
72eb7ea8 | 9572 | return -TARGET_EINVAL; |
da2c8ad7 AM |
9573 | } |
9574 | } | |
9575 | break; | |
9576 | #endif | |
31e31b8a | 9577 | case TARGET_NR_setitimer: |
66fb9763 | 9578 | { |
66fb9763 FB |
9579 | struct itimerval value, ovalue, *pvalue; |
9580 | ||
53a5960a | 9581 | if (arg2) { |
66fb9763 | 9582 | pvalue = &value; |
788f5ec4 TS |
9583 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
9584 | || copy_from_user_timeval(&pvalue->it_value, | |
9585 | arg2 + sizeof(struct target_timeval))) | |
2852aafd | 9586 | return -TARGET_EFAULT; |
66fb9763 FB |
9587 | } else { |
9588 | pvalue = NULL; | |
9589 | } | |
9590 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 9591 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
9592 | if (copy_to_user_timeval(arg3, |
9593 | &ovalue.it_interval) | |
9594 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
9595 | &ovalue.it_value)) | |
2852aafd | 9596 | return -TARGET_EFAULT; |
66fb9763 FB |
9597 | } |
9598 | } | |
72eb7ea8 | 9599 | return ret; |
31e31b8a | 9600 | case TARGET_NR_getitimer: |
66fb9763 | 9601 | { |
66fb9763 | 9602 | struct itimerval value; |
3b46e624 | 9603 | |
66fb9763 | 9604 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 9605 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
9606 | if (copy_to_user_timeval(arg2, |
9607 | &value.it_interval) | |
9608 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
9609 | &value.it_value)) | |
2852aafd | 9610 | return -TARGET_EFAULT; |
66fb9763 FB |
9611 | } |
9612 | } | |
72eb7ea8 | 9613 | return ret; |
704eff6c | 9614 | #ifdef TARGET_NR_stat |
31e31b8a | 9615 | case TARGET_NR_stat: |
2852aafd RH |
9616 | if (!(p = lock_user_string(arg1))) { |
9617 | return -TARGET_EFAULT; | |
9618 | } | |
53a5960a PB |
9619 | ret = get_errno(stat(path(p), &st)); |
9620 | unlock_user(p, arg1, 0); | |
31e31b8a | 9621 | goto do_stat; |
704eff6c CG |
9622 | #endif |
9623 | #ifdef TARGET_NR_lstat | |
31e31b8a | 9624 | case TARGET_NR_lstat: |
2852aafd RH |
9625 | if (!(p = lock_user_string(arg1))) { |
9626 | return -TARGET_EFAULT; | |
9627 | } | |
53a5960a PB |
9628 | ret = get_errno(lstat(path(p), &st)); |
9629 | unlock_user(p, arg1, 0); | |
31e31b8a | 9630 | goto do_stat; |
704eff6c | 9631 | #endif |
4f7f8924 | 9632 | #ifdef TARGET_NR_fstat |
31e31b8a FB |
9633 | case TARGET_NR_fstat: |
9634 | { | |
9635 | ret = get_errno(fstat(arg1, &st)); | |
704eff6c | 9636 | #if defined(TARGET_NR_stat) || defined(TARGET_NR_lstat) |
31e31b8a | 9637 | do_stat: |
704eff6c | 9638 | #endif |
31e31b8a | 9639 | if (!is_error(ret)) { |
53a5960a | 9640 | struct target_stat *target_st; |
e3584658 | 9641 | |
579a97f7 | 9642 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
2852aafd | 9643 | return -TARGET_EFAULT; |
12727917 | 9644 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
9645 | __put_user(st.st_dev, &target_st->st_dev); |
9646 | __put_user(st.st_ino, &target_st->st_ino); | |
9647 | __put_user(st.st_mode, &target_st->st_mode); | |
9648 | __put_user(st.st_uid, &target_st->st_uid); | |
9649 | __put_user(st.st_gid, &target_st->st_gid); | |
9650 | __put_user(st.st_nlink, &target_st->st_nlink); | |
9651 | __put_user(st.st_rdev, &target_st->st_rdev); | |
9652 | __put_user(st.st_size, &target_st->st_size); | |
9653 | __put_user(st.st_blksize, &target_st->st_blksize); | |
9654 | __put_user(st.st_blocks, &target_st->st_blocks); | |
9655 | __put_user(st.st_atime, &target_st->target_st_atime); | |
9656 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
9657 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
5f992db6 CYT |
9658 | #if (_POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700) && \ |
9659 | defined(TARGET_STAT_HAVE_NSEC) | |
9660 | __put_user(st.st_atim.tv_nsec, | |
9661 | &target_st->target_st_atime_nsec); | |
9662 | __put_user(st.st_mtim.tv_nsec, | |
9663 | &target_st->target_st_mtime_nsec); | |
9664 | __put_user(st.st_ctim.tv_nsec, | |
9665 | &target_st->target_st_ctime_nsec); | |
9666 | #endif | |
53a5960a | 9667 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
9668 | } |
9669 | } | |
72eb7ea8 | 9670 | return ret; |
ebc05488 | 9671 | #endif |
31e31b8a | 9672 | case TARGET_NR_vhangup: |
72eb7ea8 | 9673 | return get_errno(vhangup()); |
42ad6ae9 FB |
9674 | #ifdef TARGET_NR_syscall |
9675 | case TARGET_NR_syscall: | |
72eb7ea8 RH |
9676 | return do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
9677 | arg6, arg7, arg8, 0); | |
ebc05488 | 9678 | #endif |
859e8a89 | 9679 | #if defined(TARGET_NR_wait4) |
31e31b8a FB |
9680 | case TARGET_NR_wait4: |
9681 | { | |
9682 | int status; | |
992f48a0 | 9683 | abi_long status_ptr = arg2; |
31e31b8a | 9684 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 9685 | abi_ulong target_rusage = arg4; |
a39fb273 | 9686 | abi_long rusage_err; |
31e31b8a FB |
9687 | if (target_rusage) |
9688 | rusage_ptr = &rusage; | |
9689 | else | |
9690 | rusage_ptr = NULL; | |
4af80a37 | 9691 | ret = get_errno(safe_wait4(arg1, &status, arg3, rusage_ptr)); |
31e31b8a | 9692 | if (!is_error(ret)) { |
5379557b | 9693 | if (status_ptr && ret) { |
1d9d8b55 | 9694 | status = host_to_target_waitstatus(status); |
2f619698 | 9695 | if (put_user_s32(status, status_ptr)) |
2852aafd | 9696 | return -TARGET_EFAULT; |
31e31b8a | 9697 | } |
a39fb273 PJ |
9698 | if (target_rusage) { |
9699 | rusage_err = host_to_target_rusage(target_rusage, &rusage); | |
9700 | if (rusage_err) { | |
9701 | ret = rusage_err; | |
9702 | } | |
9703 | } | |
31e31b8a FB |
9704 | } |
9705 | } | |
72eb7ea8 | 9706 | return ret; |
859e8a89 | 9707 | #endif |
e5febef5 | 9708 | #ifdef TARGET_NR_swapoff |
31e31b8a | 9709 | case TARGET_NR_swapoff: |
579a97f7 | 9710 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9711 | return -TARGET_EFAULT; |
53a5960a PB |
9712 | ret = get_errno(swapoff(p)); |
9713 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9714 | return ret; |
e5febef5 | 9715 | #endif |
31e31b8a | 9716 | case TARGET_NR_sysinfo: |
a5448a7d | 9717 | { |
53a5960a | 9718 | struct target_sysinfo *target_value; |
a5448a7d FB |
9719 | struct sysinfo value; |
9720 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 9721 | if (!is_error(ret) && arg1) |
a5448a7d | 9722 | { |
579a97f7 | 9723 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
2852aafd | 9724 | return -TARGET_EFAULT; |
a5448a7d FB |
9725 | __put_user(value.uptime, &target_value->uptime); |
9726 | __put_user(value.loads[0], &target_value->loads[0]); | |
9727 | __put_user(value.loads[1], &target_value->loads[1]); | |
9728 | __put_user(value.loads[2], &target_value->loads[2]); | |
9729 | __put_user(value.totalram, &target_value->totalram); | |
9730 | __put_user(value.freeram, &target_value->freeram); | |
9731 | __put_user(value.sharedram, &target_value->sharedram); | |
9732 | __put_user(value.bufferram, &target_value->bufferram); | |
9733 | __put_user(value.totalswap, &target_value->totalswap); | |
9734 | __put_user(value.freeswap, &target_value->freeswap); | |
9735 | __put_user(value.procs, &target_value->procs); | |
9736 | __put_user(value.totalhigh, &target_value->totalhigh); | |
9737 | __put_user(value.freehigh, &target_value->freehigh); | |
9738 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 9739 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
9740 | } |
9741 | } | |
72eb7ea8 | 9742 | return ret; |
e5febef5 | 9743 | #ifdef TARGET_NR_ipc |
31e31b8a | 9744 | case TARGET_NR_ipc: |
72eb7ea8 | 9745 | return do_ipc(cpu_env, arg1, arg2, arg3, arg4, arg5, arg6); |
e5febef5 | 9746 | #endif |
e5289087 AJ |
9747 | #ifdef TARGET_NR_semget |
9748 | case TARGET_NR_semget: | |
72eb7ea8 | 9749 | return get_errno(semget(arg1, arg2, arg3)); |
e5289087 AJ |
9750 | #endif |
9751 | #ifdef TARGET_NR_semop | |
9752 | case TARGET_NR_semop: | |
d8c08b1e MK |
9753 | return do_semtimedop(arg1, arg2, arg3, 0); |
9754 | #endif | |
9755 | #ifdef TARGET_NR_semtimedop | |
9756 | case TARGET_NR_semtimedop: | |
9757 | return do_semtimedop(arg1, arg2, arg3, arg4); | |
e5289087 AJ |
9758 | #endif |
9759 | #ifdef TARGET_NR_semctl | |
9760 | case TARGET_NR_semctl: | |
72eb7ea8 | 9761 | return do_semctl(arg1, arg2, arg3, arg4); |
e5289087 | 9762 | #endif |
eeb438c1 AJ |
9763 | #ifdef TARGET_NR_msgctl |
9764 | case TARGET_NR_msgctl: | |
72eb7ea8 | 9765 | return do_msgctl(arg1, arg2, arg3); |
eeb438c1 AJ |
9766 | #endif |
9767 | #ifdef TARGET_NR_msgget | |
9768 | case TARGET_NR_msgget: | |
72eb7ea8 | 9769 | return get_errno(msgget(arg1, arg2)); |
eeb438c1 AJ |
9770 | #endif |
9771 | #ifdef TARGET_NR_msgrcv | |
9772 | case TARGET_NR_msgrcv: | |
72eb7ea8 | 9773 | return do_msgrcv(arg1, arg2, arg3, arg4, arg5); |
eeb438c1 AJ |
9774 | #endif |
9775 | #ifdef TARGET_NR_msgsnd | |
9776 | case TARGET_NR_msgsnd: | |
72eb7ea8 | 9777 | return do_msgsnd(arg1, arg2, arg3, arg4); |
88a8c984 RV |
9778 | #endif |
9779 | #ifdef TARGET_NR_shmget | |
9780 | case TARGET_NR_shmget: | |
72eb7ea8 | 9781 | return get_errno(shmget(arg1, arg2, arg3)); |
88a8c984 RV |
9782 | #endif |
9783 | #ifdef TARGET_NR_shmctl | |
9784 | case TARGET_NR_shmctl: | |
72eb7ea8 | 9785 | return do_shmctl(arg1, arg2, arg3); |
88a8c984 RV |
9786 | #endif |
9787 | #ifdef TARGET_NR_shmat | |
9788 | case TARGET_NR_shmat: | |
72eb7ea8 | 9789 | return do_shmat(cpu_env, arg1, arg2, arg3); |
88a8c984 RV |
9790 | #endif |
9791 | #ifdef TARGET_NR_shmdt | |
9792 | case TARGET_NR_shmdt: | |
72eb7ea8 | 9793 | return do_shmdt(arg1); |
eeb438c1 | 9794 | #endif |
31e31b8a | 9795 | case TARGET_NR_fsync: |
72eb7ea8 | 9796 | return get_errno(fsync(arg1)); |
31e31b8a | 9797 | case TARGET_NR_clone: |
4ce6243d PM |
9798 | /* Linux manages to have three different orderings for its |
9799 | * arguments to clone(); the BACKWARDS and BACKWARDS2 defines | |
9800 | * match the kernel's CONFIG_CLONE_* settings. | |
9801 | * Microblaze is further special in that it uses a sixth | |
9802 | * implicit argument to clone for the TLS pointer. | |
9803 | */ | |
9804 | #if defined(TARGET_MICROBLAZE) | |
a5b3bdcb | 9805 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
4ce6243d PM |
9806 | #elif defined(TARGET_CLONE_BACKWARDS) |
9807 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); | |
9808 | #elif defined(TARGET_CLONE_BACKWARDS2) | |
a4c075f1 | 9809 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
0b6d3ae0 | 9810 | #else |
4ce6243d | 9811 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
0b6d3ae0 | 9812 | #endif |
72eb7ea8 | 9813 | return ret; |
ec86b0fb FB |
9814 | #ifdef __NR_exit_group |
9815 | /* new thread calls */ | |
9816 | case TARGET_NR_exit_group: | |
708b6a64 | 9817 | preexit_cleanup(cpu_env, arg1); |
72eb7ea8 | 9818 | return get_errno(exit_group(arg1)); |
ec86b0fb | 9819 | #endif |
31e31b8a | 9820 | case TARGET_NR_setdomainname: |
579a97f7 | 9821 | if (!(p = lock_user_string(arg1))) |
2852aafd | 9822 | return -TARGET_EFAULT; |
53a5960a PB |
9823 | ret = get_errno(setdomainname(p, arg2)); |
9824 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 9825 | return ret; |
31e31b8a FB |
9826 | case TARGET_NR_uname: |
9827 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
9828 | { |
9829 | struct new_utsname * buf; | |
3b46e624 | 9830 | |
579a97f7 | 9831 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
2852aafd | 9832 | return -TARGET_EFAULT; |
29e619b1 FB |
9833 | ret = get_errno(sys_uname(buf)); |
9834 | if (!is_error(ret)) { | |
332c9781 | 9835 | /* Overwrite the native machine name with whatever is being |
29e619b1 | 9836 | emulated. */ |
871f95c6 PMD |
9837 | g_strlcpy(buf->machine, cpu_to_uname_machine(cpu_env), |
9838 | sizeof(buf->machine)); | |
c5937220 | 9839 | /* Allow the user to override the reported release. */ |
332c9781 PM |
9840 | if (qemu_uname_release && *qemu_uname_release) { |
9841 | g_strlcpy(buf->release, qemu_uname_release, | |
9842 | sizeof(buf->release)); | |
9843 | } | |
29e619b1 | 9844 | } |
53a5960a | 9845 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 9846 | } |
72eb7ea8 | 9847 | return ret; |
6dbad63e | 9848 | #ifdef TARGET_I386 |
31e31b8a | 9849 | case TARGET_NR_modify_ldt: |
72eb7ea8 | 9850 | return do_modify_ldt(cpu_env, arg1, arg2, arg3); |
84409ddb | 9851 | #if !defined(TARGET_X86_64) |
5cd4393b | 9852 | case TARGET_NR_vm86: |
72eb7ea8 | 9853 | return do_vm86(cpu_env, arg1, arg2); |
84409ddb | 9854 | #endif |
6dbad63e | 9855 | #endif |
859e8a89 | 9856 | #if defined(TARGET_NR_adjtimex) |
31e31b8a | 9857 | case TARGET_NR_adjtimex: |
19f59bce AM |
9858 | { |
9859 | struct timex host_buf; | |
9860 | ||
9861 | if (target_to_host_timex(&host_buf, arg1) != 0) { | |
2852aafd | 9862 | return -TARGET_EFAULT; |
19f59bce AM |
9863 | } |
9864 | ret = get_errno(adjtimex(&host_buf)); | |
9865 | if (!is_error(ret)) { | |
9866 | if (host_to_target_timex(arg1, &host_buf) != 0) { | |
2852aafd | 9867 | return -TARGET_EFAULT; |
19f59bce AM |
9868 | } |
9869 | } | |
9870 | } | |
72eb7ea8 | 9871 | return ret; |
859e8a89 | 9872 | #endif |
38860a03 AM |
9873 | #if defined(TARGET_NR_clock_adjtime) && defined(CONFIG_CLOCK_ADJTIME) |
9874 | case TARGET_NR_clock_adjtime: | |
9875 | { | |
9876 | struct timex htx, *phtx = &htx; | |
9877 | ||
9878 | if (target_to_host_timex(phtx, arg2) != 0) { | |
2852aafd | 9879 | return -TARGET_EFAULT; |
38860a03 AM |
9880 | } |
9881 | ret = get_errno(clock_adjtime(arg1, phtx)); | |
9882 | if (!is_error(ret) && phtx) { | |
9883 | if (host_to_target_timex(arg2, phtx) != 0) { | |
2852aafd | 9884 | return -TARGET_EFAULT; |
38860a03 AM |
9885 | } |
9886 | } | |
9887 | } | |
72eb7ea8 | 9888 | return ret; |
38860a03 | 9889 | #endif |
31e31b8a | 9890 | case TARGET_NR_getpgid: |
72eb7ea8 | 9891 | return get_errno(getpgid(arg1)); |
31e31b8a | 9892 | case TARGET_NR_fchdir: |
72eb7ea8 | 9893 | return get_errno(fchdir(arg1)); |
31e31b8a | 9894 | case TARGET_NR_personality: |
72eb7ea8 | 9895 | return get_errno(personality(arg1)); |
7a3148a9 | 9896 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
9897 | case TARGET_NR__llseek: |
9898 | { | |
0c1592d9 | 9899 | int64_t res; |
d35b261c | 9900 | #if !defined(__NR_llseek) |
9fea273c | 9901 | res = lseek(arg1, ((uint64_t)arg2 << 32) | (abi_ulong)arg3, arg5); |
0c1592d9 PM |
9902 | if (res == -1) { |
9903 | ret = get_errno(res); | |
9904 | } else { | |
9905 | ret = 0; | |
9906 | } | |
4f2ac237 | 9907 | #else |
31e31b8a | 9908 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 9909 | #endif |
0c1592d9 | 9910 | if ((ret == 0) && put_user_s64(res, arg4)) { |
2852aafd | 9911 | return -TARGET_EFAULT; |
0c1592d9 | 9912 | } |
31e31b8a | 9913 | } |
72eb7ea8 | 9914 | return ret; |
7a3148a9 | 9915 | #endif |
704eff6c | 9916 | #ifdef TARGET_NR_getdents |
31e31b8a | 9917 | case TARGET_NR_getdents: |
2b3f64cb | 9918 | #ifdef EMULATE_GETDENTS_WITH_GETDENTS |
d83c8733 | 9919 | #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
4add45b4 | 9920 | { |
53a5960a | 9921 | struct target_dirent *target_dirp; |
6556a833 | 9922 | struct linux_dirent *dirp; |
992f48a0 | 9923 | abi_long count = arg3; |
4add45b4 | 9924 | |
0e173b24 HK |
9925 | dirp = g_try_malloc(count); |
9926 | if (!dirp) { | |
259841c1 | 9927 | return -TARGET_ENOMEM; |
0da46a6e | 9928 | } |
3b46e624 | 9929 | |
4add45b4 FB |
9930 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
9931 | if (!is_error(ret)) { | |
6556a833 | 9932 | struct linux_dirent *de; |
4add45b4 FB |
9933 | struct target_dirent *tde; |
9934 | int len = ret; | |
9935 | int reclen, treclen; | |
9936 | int count1, tnamelen; | |
9937 | ||
9938 | count1 = 0; | |
9939 | de = dirp; | |
579a97f7 | 9940 | if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 9941 | return -TARGET_EFAULT; |
4add45b4 FB |
9942 | tde = target_dirp; |
9943 | while (len > 0) { | |
9944 | reclen = de->d_reclen; | |
333858b7 DL |
9945 | tnamelen = reclen - offsetof(struct linux_dirent, d_name); |
9946 | assert(tnamelen >= 0); | |
9947 | treclen = tnamelen + offsetof(struct target_dirent, d_name); | |
9948 | assert(count1 + treclen <= count); | |
4add45b4 | 9949 | tde->d_reclen = tswap16(treclen); |
cbb21eed MB |
9950 | tde->d_ino = tswapal(de->d_ino); |
9951 | tde->d_off = tswapal(de->d_off); | |
333858b7 | 9952 | memcpy(tde->d_name, de->d_name, tnamelen); |
6556a833 | 9953 | de = (struct linux_dirent *)((char *)de + reclen); |
4add45b4 | 9954 | len -= reclen; |
1c5bf3bf | 9955 | tde = (struct target_dirent *)((char *)tde + treclen); |
4add45b4 FB |
9956 | count1 += treclen; |
9957 | } | |
9958 | ret = count1; | |
579a97f7 | 9959 | unlock_user(target_dirp, arg2, ret); |
4add45b4 | 9960 | } |
0e173b24 | 9961 | g_free(dirp); |
4add45b4 FB |
9962 | } |
9963 | #else | |
31e31b8a | 9964 | { |
6556a833 | 9965 | struct linux_dirent *dirp; |
992f48a0 | 9966 | abi_long count = arg3; |
dab2ed99 | 9967 | |
579a97f7 | 9968 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 9969 | return -TARGET_EFAULT; |
72f03900 | 9970 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
31e31b8a | 9971 | if (!is_error(ret)) { |
6556a833 | 9972 | struct linux_dirent *de; |
31e31b8a FB |
9973 | int len = ret; |
9974 | int reclen; | |
9975 | de = dirp; | |
9976 | while (len > 0) { | |
8083a3e5 | 9977 | reclen = de->d_reclen; |
31e31b8a FB |
9978 | if (reclen > len) |
9979 | break; | |
8083a3e5 | 9980 | de->d_reclen = tswap16(reclen); |
31e31b8a FB |
9981 | tswapls(&de->d_ino); |
9982 | tswapls(&de->d_off); | |
6556a833 | 9983 | de = (struct linux_dirent *)((char *)de + reclen); |
31e31b8a FB |
9984 | len -= reclen; |
9985 | } | |
9986 | } | |
53a5960a | 9987 | unlock_user(dirp, arg2, ret); |
3307e236 PM |
9988 | } |
9989 | #endif | |
9990 | #else | |
9991 | /* Implement getdents in terms of getdents64 */ | |
9992 | { | |
9993 | struct linux_dirent64 *dirp; | |
9994 | abi_long count = arg3; | |
9995 | ||
9996 | dirp = lock_user(VERIFY_WRITE, arg2, count, 0); | |
9997 | if (!dirp) { | |
2852aafd | 9998 | return -TARGET_EFAULT; |
3307e236 PM |
9999 | } |
10000 | ret = get_errno(sys_getdents64(arg1, dirp, count)); | |
10001 | if (!is_error(ret)) { | |
10002 | /* Convert the dirent64 structs to target dirent. We do this | |
10003 | * in-place, since we can guarantee that a target_dirent is no | |
10004 | * larger than a dirent64; however this means we have to be | |
10005 | * careful to read everything before writing in the new format. | |
10006 | */ | |
10007 | struct linux_dirent64 *de; | |
10008 | struct target_dirent *tde; | |
10009 | int len = ret; | |
10010 | int tlen = 0; | |
10011 | ||
10012 | de = dirp; | |
10013 | tde = (struct target_dirent *)dirp; | |
10014 | while (len > 0) { | |
10015 | int namelen, treclen; | |
10016 | int reclen = de->d_reclen; | |
10017 | uint64_t ino = de->d_ino; | |
10018 | int64_t off = de->d_off; | |
10019 | uint8_t type = de->d_type; | |
10020 | ||
10021 | namelen = strlen(de->d_name); | |
10022 | treclen = offsetof(struct target_dirent, d_name) | |
10023 | + namelen + 2; | |
10024 | treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long)); | |
10025 | ||
10026 | memmove(tde->d_name, de->d_name, namelen + 1); | |
10027 | tde->d_ino = tswapal(ino); | |
10028 | tde->d_off = tswapal(off); | |
10029 | tde->d_reclen = tswap16(treclen); | |
10030 | /* The target_dirent type is in what was formerly a padding | |
10031 | * byte at the end of the structure: | |
10032 | */ | |
10033 | *(((char *)tde) + treclen - 1) = type; | |
10034 | ||
10035 | de = (struct linux_dirent64 *)((char *)de + reclen); | |
10036 | tde = (struct target_dirent *)((char *)tde + treclen); | |
10037 | len -= reclen; | |
10038 | tlen += treclen; | |
10039 | } | |
10040 | ret = tlen; | |
10041 | } | |
10042 | unlock_user(dirp, arg2, ret); | |
31e31b8a | 10043 | } |
4add45b4 | 10044 | #endif |
72eb7ea8 | 10045 | return ret; |
704eff6c | 10046 | #endif /* TARGET_NR_getdents */ |
3ae43202 | 10047 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 FB |
10048 | case TARGET_NR_getdents64: |
10049 | { | |
6556a833 | 10050 | struct linux_dirent64 *dirp; |
992f48a0 | 10051 | abi_long count = arg3; |
579a97f7 | 10052 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
2852aafd | 10053 | return -TARGET_EFAULT; |
dab2ed99 FB |
10054 | ret = get_errno(sys_getdents64(arg1, dirp, count)); |
10055 | if (!is_error(ret)) { | |
6556a833 | 10056 | struct linux_dirent64 *de; |
dab2ed99 FB |
10057 | int len = ret; |
10058 | int reclen; | |
10059 | de = dirp; | |
10060 | while (len > 0) { | |
8083a3e5 | 10061 | reclen = de->d_reclen; |
dab2ed99 FB |
10062 | if (reclen > len) |
10063 | break; | |
8083a3e5 | 10064 | de->d_reclen = tswap16(reclen); |
8582a53a FB |
10065 | tswap64s((uint64_t *)&de->d_ino); |
10066 | tswap64s((uint64_t *)&de->d_off); | |
6556a833 | 10067 | de = (struct linux_dirent64 *)((char *)de + reclen); |
dab2ed99 FB |
10068 | len -= reclen; |
10069 | } | |
10070 | } | |
53a5960a | 10071 | unlock_user(dirp, arg2, ret); |
dab2ed99 | 10072 | } |
72eb7ea8 | 10073 | return ret; |
a541f297 | 10074 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 10075 | #if defined(TARGET_NR__newselect) |
31e31b8a | 10076 | case TARGET_NR__newselect: |
72eb7ea8 | 10077 | return do_select(arg1, arg2, arg3, arg4, arg5); |
e5febef5 | 10078 | #endif |
d8035d4c MF |
10079 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) |
10080 | # ifdef TARGET_NR_poll | |
9de5e440 | 10081 | case TARGET_NR_poll: |
d8035d4c MF |
10082 | # endif |
10083 | # ifdef TARGET_NR_ppoll | |
10084 | case TARGET_NR_ppoll: | |
10085 | # endif | |
9de5e440 | 10086 | { |
53a5960a | 10087 | struct target_pollfd *target_pfd; |
9de5e440 | 10088 | unsigned int nfds = arg2; |
9de5e440 | 10089 | struct pollfd *pfd; |
7854b056 | 10090 | unsigned int i; |
9de5e440 | 10091 | |
3e24bb3f LV |
10092 | pfd = NULL; |
10093 | target_pfd = NULL; | |
10094 | if (nfds) { | |
ce9c139d | 10095 | if (nfds > (INT_MAX / sizeof(struct target_pollfd))) { |
72eb7ea8 | 10096 | return -TARGET_EINVAL; |
ce9c139d PM |
10097 | } |
10098 | ||
3e24bb3f LV |
10099 | target_pfd = lock_user(VERIFY_WRITE, arg1, |
10100 | sizeof(struct target_pollfd) * nfds, 1); | |
10101 | if (!target_pfd) { | |
2852aafd | 10102 | return -TARGET_EFAULT; |
3e24bb3f | 10103 | } |
d8035d4c | 10104 | |
3e24bb3f LV |
10105 | pfd = alloca(sizeof(struct pollfd) * nfds); |
10106 | for (i = 0; i < nfds; i++) { | |
10107 | pfd[i].fd = tswap32(target_pfd[i].fd); | |
10108 | pfd[i].events = tswap16(target_pfd[i].events); | |
10109 | } | |
9de5e440 | 10110 | } |
d8035d4c | 10111 | |
a6130237 | 10112 | switch (num) { |
d8035d4c | 10113 | # ifdef TARGET_NR_ppoll |
a6130237 PM |
10114 | case TARGET_NR_ppoll: |
10115 | { | |
d8035d4c MF |
10116 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; |
10117 | target_sigset_t *target_set; | |
10118 | sigset_t _set, *set = &_set; | |
10119 | ||
10120 | if (arg3) { | |
10121 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
10122 | unlock_user(target_pfd, arg1, 0); | |
2852aafd | 10123 | return -TARGET_EFAULT; |
d8035d4c MF |
10124 | } |
10125 | } else { | |
10126 | timeout_ts = NULL; | |
10127 | } | |
10128 | ||
10129 | if (arg4) { | |
c815701e PM |
10130 | if (arg5 != sizeof(target_sigset_t)) { |
10131 | unlock_user(target_pfd, arg1, 0); | |
72eb7ea8 | 10132 | return -TARGET_EINVAL; |
c815701e PM |
10133 | } |
10134 | ||
d8035d4c MF |
10135 | target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); |
10136 | if (!target_set) { | |
10137 | unlock_user(target_pfd, arg1, 0); | |
2852aafd | 10138 | return -TARGET_EFAULT; |
d8035d4c MF |
10139 | } |
10140 | target_to_host_sigset(set, target_set); | |
10141 | } else { | |
10142 | set = NULL; | |
10143 | } | |
10144 | ||
a6130237 PM |
10145 | ret = get_errno(safe_ppoll(pfd, nfds, timeout_ts, |
10146 | set, SIGSET_T_SIZE)); | |
d8035d4c MF |
10147 | |
10148 | if (!is_error(ret) && arg3) { | |
10149 | host_to_target_timespec(arg3, timeout_ts); | |
10150 | } | |
10151 | if (arg4) { | |
10152 | unlock_user(target_set, arg4, 0); | |
10153 | } | |
a6130237 PM |
10154 | break; |
10155 | } | |
d8035d4c | 10156 | # endif |
a6130237 PM |
10157 | # ifdef TARGET_NR_poll |
10158 | case TARGET_NR_poll: | |
10159 | { | |
10160 | struct timespec ts, *pts; | |
10161 | ||
10162 | if (arg3 >= 0) { | |
10163 | /* Convert ms to secs, ns */ | |
10164 | ts.tv_sec = arg3 / 1000; | |
10165 | ts.tv_nsec = (arg3 % 1000) * 1000000LL; | |
10166 | pts = &ts; | |
10167 | } else { | |
10168 | /* -ve poll() timeout means "infinite" */ | |
10169 | pts = NULL; | |
10170 | } | |
10171 | ret = get_errno(safe_ppoll(pfd, nfds, pts, NULL, 0)); | |
10172 | break; | |
10173 | } | |
d8035d4c | 10174 | # endif |
a6130237 PM |
10175 | default: |
10176 | g_assert_not_reached(); | |
10177 | } | |
d8035d4c | 10178 | |
9de5e440 FB |
10179 | if (!is_error(ret)) { |
10180 | for(i = 0; i < nfds; i++) { | |
5cd4393b | 10181 | target_pfd[i].revents = tswap16(pfd[i].revents); |
9de5e440 FB |
10182 | } |
10183 | } | |
30cb4cde | 10184 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); |
9de5e440 | 10185 | } |
72eb7ea8 | 10186 | return ret; |
e5febef5 | 10187 | #endif |
31e31b8a | 10188 | case TARGET_NR_flock: |
9de5e440 FB |
10189 | /* NOTE: the flock constant seems to be the same for every |
10190 | Linux platform */ | |
72eb7ea8 | 10191 | return get_errno(safe_flock(arg1, arg2)); |
31e31b8a FB |
10192 | case TARGET_NR_readv: |
10193 | { | |
f287b2c2 RH |
10194 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
10195 | if (vec != NULL) { | |
918c03ed | 10196 | ret = get_errno(safe_readv(arg1, vec, arg3)); |
f287b2c2 RH |
10197 | unlock_iovec(vec, arg2, arg3, 1); |
10198 | } else { | |
10199 | ret = -host_to_target_errno(errno); | |
10200 | } | |
31e31b8a | 10201 | } |
72eb7ea8 | 10202 | return ret; |
31e31b8a FB |
10203 | case TARGET_NR_writev: |
10204 | { | |
f287b2c2 RH |
10205 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
10206 | if (vec != NULL) { | |
918c03ed | 10207 | ret = get_errno(safe_writev(arg1, vec, arg3)); |
f287b2c2 RH |
10208 | unlock_iovec(vec, arg2, arg3, 0); |
10209 | } else { | |
10210 | ret = -host_to_target_errno(errno); | |
10211 | } | |
31e31b8a | 10212 | } |
72eb7ea8 | 10213 | return ret; |
0f26386c DJ |
10214 | #if defined(TARGET_NR_preadv) |
10215 | case TARGET_NR_preadv: | |
10216 | { | |
10217 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); | |
10218 | if (vec != NULL) { | |
9ac22517 MF |
10219 | unsigned long low, high; |
10220 | ||
10221 | target_to_host_low_high(arg4, arg5, &low, &high); | |
10222 | ret = get_errno(safe_preadv(arg1, vec, arg3, low, high)); | |
0f26386c DJ |
10223 | unlock_iovec(vec, arg2, arg3, 1); |
10224 | } else { | |
10225 | ret = -host_to_target_errno(errno); | |
f8d00fba DJ |
10226 | } |
10227 | } | |
72eb7ea8 | 10228 | return ret; |
f8d00fba DJ |
10229 | #endif |
10230 | #if defined(TARGET_NR_pwritev) | |
10231 | case TARGET_NR_pwritev: | |
10232 | { | |
10233 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); | |
10234 | if (vec != NULL) { | |
9ac22517 MF |
10235 | unsigned long low, high; |
10236 | ||
10237 | target_to_host_low_high(arg4, arg5, &low, &high); | |
10238 | ret = get_errno(safe_pwritev(arg1, vec, arg3, low, high)); | |
f8d00fba DJ |
10239 | unlock_iovec(vec, arg2, arg3, 0); |
10240 | } else { | |
10241 | ret = -host_to_target_errno(errno); | |
0f26386c DJ |
10242 | } |
10243 | } | |
72eb7ea8 | 10244 | return ret; |
0f26386c | 10245 | #endif |
31e31b8a | 10246 | case TARGET_NR_getsid: |
72eb7ea8 | 10247 | return get_errno(getsid(arg1)); |
7a3148a9 | 10248 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 10249 | case TARGET_NR_fdatasync: |
72eb7ea8 | 10250 | return get_errno(fdatasync(arg1)); |
7a3148a9 | 10251 | #endif |
704eff6c | 10252 | #ifdef TARGET_NR__sysctl |
31e31b8a | 10253 | case TARGET_NR__sysctl: |
0da46a6e | 10254 | /* We don't implement this, but ENOTDIR is always a safe |
29e619b1 | 10255 | return value. */ |
72eb7ea8 | 10256 | return -TARGET_ENOTDIR; |
704eff6c | 10257 | #endif |
737de1d1 MF |
10258 | case TARGET_NR_sched_getaffinity: |
10259 | { | |
10260 | unsigned int mask_size; | |
10261 | unsigned long *mask; | |
10262 | ||
10263 | /* | |
10264 | * sched_getaffinity needs multiples of ulong, so need to take | |
10265 | * care of mismatches between target ulong and host ulong sizes. | |
10266 | */ | |
10267 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 10268 | return -TARGET_EINVAL; |
737de1d1 MF |
10269 | } |
10270 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
10271 | ||
10272 | mask = alloca(mask_size); | |
2e0a8713 | 10273 | memset(mask, 0, mask_size); |
737de1d1 MF |
10274 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); |
10275 | ||
10276 | if (!is_error(ret)) { | |
be3bd286 PM |
10277 | if (ret > arg2) { |
10278 | /* More data returned than the caller's buffer will fit. | |
10279 | * This only happens if sizeof(abi_long) < sizeof(long) | |
10280 | * and the caller passed us a buffer holding an odd number | |
10281 | * of abi_longs. If the host kernel is actually using the | |
10282 | * extra 4 bytes then fail EINVAL; otherwise we can just | |
10283 | * ignore them and only copy the interesting part. | |
10284 | */ | |
10285 | int numcpus = sysconf(_SC_NPROCESSORS_CONF); | |
10286 | if (numcpus > arg2 * 8) { | |
72eb7ea8 | 10287 | return -TARGET_EINVAL; |
be3bd286 PM |
10288 | } |
10289 | ret = arg2; | |
10290 | } | |
10291 | ||
5fdefcf8 | 10292 | if (host_to_target_cpu_mask(mask, mask_size, arg3, ret)) { |
2852aafd | 10293 | return -TARGET_EFAULT; |
5fdefcf8 | 10294 | } |
737de1d1 MF |
10295 | } |
10296 | } | |
72eb7ea8 | 10297 | return ret; |
737de1d1 MF |
10298 | case TARGET_NR_sched_setaffinity: |
10299 | { | |
10300 | unsigned int mask_size; | |
10301 | unsigned long *mask; | |
10302 | ||
10303 | /* | |
10304 | * sched_setaffinity needs multiples of ulong, so need to take | |
10305 | * care of mismatches between target ulong and host ulong sizes. | |
10306 | */ | |
10307 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
72eb7ea8 | 10308 | return -TARGET_EINVAL; |
737de1d1 MF |
10309 | } |
10310 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
737de1d1 | 10311 | mask = alloca(mask_size); |
2e0a8713 ST |
10312 | |
10313 | ret = target_to_host_cpu_mask(mask, mask_size, arg3, arg2); | |
10314 | if (ret) { | |
72eb7ea8 | 10315 | return ret; |
737de1d1 | 10316 | } |
737de1d1 | 10317 | |
72eb7ea8 | 10318 | return get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); |
737de1d1 | 10319 | } |
b827c3ed ST |
10320 | case TARGET_NR_getcpu: |
10321 | { | |
10322 | unsigned cpu, node; | |
10323 | ret = get_errno(sys_getcpu(arg1 ? &cpu : NULL, | |
10324 | arg2 ? &node : NULL, | |
10325 | NULL)); | |
10326 | if (is_error(ret)) { | |
259841c1 | 10327 | return ret; |
b827c3ed ST |
10328 | } |
10329 | if (arg1 && put_user_u32(cpu, arg1)) { | |
2852aafd | 10330 | return -TARGET_EFAULT; |
b827c3ed ST |
10331 | } |
10332 | if (arg2 && put_user_u32(node, arg2)) { | |
2852aafd | 10333 | return -TARGET_EFAULT; |
b827c3ed ST |
10334 | } |
10335 | } | |
72eb7ea8 | 10336 | return ret; |
31e31b8a | 10337 | case TARGET_NR_sched_setparam: |
5cd4393b | 10338 | { |
53a5960a | 10339 | struct sched_param *target_schp; |
5cd4393b | 10340 | struct sched_param schp; |
53a5960a | 10341 | |
a1d5c5b2 TM |
10342 | if (arg2 == 0) { |
10343 | return -TARGET_EINVAL; | |
10344 | } | |
579a97f7 | 10345 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
2852aafd | 10346 | return -TARGET_EFAULT; |
5cd4393b | 10347 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 10348 | unlock_user_struct(target_schp, arg2, 0); |
72eb7ea8 | 10349 | return get_errno(sched_setparam(arg1, &schp)); |
5cd4393b | 10350 | } |
31e31b8a | 10351 | case TARGET_NR_sched_getparam: |
5cd4393b | 10352 | { |
53a5960a | 10353 | struct sched_param *target_schp; |
5cd4393b | 10354 | struct sched_param schp; |
a1d5c5b2 TM |
10355 | |
10356 | if (arg2 == 0) { | |
10357 | return -TARGET_EINVAL; | |
10358 | } | |
5cd4393b FB |
10359 | ret = get_errno(sched_getparam(arg1, &schp)); |
10360 | if (!is_error(ret)) { | |
579a97f7 | 10361 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
2852aafd | 10362 | return -TARGET_EFAULT; |
5cd4393b | 10363 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 10364 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
10365 | } |
10366 | } | |
72eb7ea8 | 10367 | return ret; |
31e31b8a | 10368 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 10369 | { |
53a5960a | 10370 | struct sched_param *target_schp; |
5cd4393b | 10371 | struct sched_param schp; |
a1d5c5b2 TM |
10372 | if (arg3 == 0) { |
10373 | return -TARGET_EINVAL; | |
10374 | } | |
579a97f7 | 10375 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
2852aafd | 10376 | return -TARGET_EFAULT; |
5cd4393b | 10377 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 10378 | unlock_user_struct(target_schp, arg3, 0); |
72eb7ea8 | 10379 | return get_errno(sched_setscheduler(arg1, arg2, &schp)); |
5cd4393b | 10380 | } |
31e31b8a | 10381 | case TARGET_NR_sched_getscheduler: |
72eb7ea8 | 10382 | return get_errno(sched_getscheduler(arg1)); |
31e31b8a | 10383 | case TARGET_NR_sched_yield: |
72eb7ea8 | 10384 | return get_errno(sched_yield()); |
31e31b8a | 10385 | case TARGET_NR_sched_get_priority_max: |
72eb7ea8 | 10386 | return get_errno(sched_get_priority_max(arg1)); |
31e31b8a | 10387 | case TARGET_NR_sched_get_priority_min: |
72eb7ea8 | 10388 | return get_errno(sched_get_priority_min(arg1)); |
859e8a89 | 10389 | #ifdef TARGET_NR_sched_rr_get_interval |
31e31b8a | 10390 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 10391 | { |
5cd4393b FB |
10392 | struct timespec ts; |
10393 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
10394 | if (!is_error(ret)) { | |
d4290c40 | 10395 | ret = host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
10396 | } |
10397 | } | |
72eb7ea8 | 10398 | return ret; |
859e8a89 AF |
10399 | #endif |
10400 | #if defined(TARGET_NR_nanosleep) | |
31e31b8a | 10401 | case TARGET_NR_nanosleep: |
1b6b029e | 10402 | { |
1b6b029e | 10403 | struct timespec req, rem; |
53a5960a | 10404 | target_to_host_timespec(&req, arg1); |
9e518226 | 10405 | ret = get_errno(safe_nanosleep(&req, &rem)); |
53a5960a PB |
10406 | if (is_error(ret) && arg2) { |
10407 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
10408 | } |
10409 | } | |
72eb7ea8 | 10410 | return ret; |
859e8a89 | 10411 | #endif |
31e31b8a | 10412 | case TARGET_NR_prctl: |
1e6722f8 PM |
10413 | switch (arg1) { |
10414 | case PR_GET_PDEATHSIG: | |
10415 | { | |
10416 | int deathsig; | |
10417 | ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); | |
10418 | if (!is_error(ret) && arg2 | |
10419 | && put_user_ual(deathsig, arg2)) { | |
2852aafd | 10420 | return -TARGET_EFAULT; |
e5574487 | 10421 | } |
72eb7ea8 | 10422 | return ret; |
1e6722f8 | 10423 | } |
db9526b1 PM |
10424 | #ifdef PR_GET_NAME |
10425 | case PR_GET_NAME: | |
10426 | { | |
10427 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
10428 | if (!name) { | |
2852aafd | 10429 | return -TARGET_EFAULT; |
db9526b1 PM |
10430 | } |
10431 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
10432 | arg3, arg4, arg5)); | |
10433 | unlock_user(name, arg2, 16); | |
72eb7ea8 | 10434 | return ret; |
db9526b1 PM |
10435 | } |
10436 | case PR_SET_NAME: | |
10437 | { | |
10438 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
10439 | if (!name) { | |
2852aafd | 10440 | return -TARGET_EFAULT; |
db9526b1 PM |
10441 | } |
10442 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
10443 | arg3, arg4, arg5)); | |
10444 | unlock_user(name, arg2, 0); | |
72eb7ea8 | 10445 | return ret; |
db9526b1 PM |
10446 | } |
10447 | #endif | |
5b702ffd SM |
10448 | #ifdef TARGET_MIPS |
10449 | case TARGET_PR_GET_FP_MODE: | |
64ea3d67 SM |
10450 | { |
10451 | CPUMIPSState *env = ((CPUMIPSState *)cpu_env); | |
10452 | ret = 0; | |
10453 | if (env->CP0_Status & (1 << CP0St_FR)) { | |
10454 | ret |= TARGET_PR_FP_MODE_FR; | |
10455 | } | |
10456 | if (env->CP0_Config5 & (1 << CP0C5_FRE)) { | |
10457 | ret |= TARGET_PR_FP_MODE_FRE; | |
10458 | } | |
10459 | return ret; | |
10460 | } | |
5b702ffd | 10461 | case TARGET_PR_SET_FP_MODE: |
64ea3d67 SM |
10462 | { |
10463 | CPUMIPSState *env = ((CPUMIPSState *)cpu_env); | |
10464 | bool old_fr = env->CP0_Status & (1 << CP0St_FR); | |
6456c510 | 10465 | bool old_fre = env->CP0_Config5 & (1 << CP0C5_FRE); |
64ea3d67 SM |
10466 | bool new_fr = arg2 & TARGET_PR_FP_MODE_FR; |
10467 | bool new_fre = arg2 & TARGET_PR_FP_MODE_FRE; | |
10468 | ||
6456c510 SM |
10469 | const unsigned int known_bits = TARGET_PR_FP_MODE_FR | |
10470 | TARGET_PR_FP_MODE_FRE; | |
10471 | ||
10472 | /* If nothing to change, return right away, successfully. */ | |
10473 | if (old_fr == new_fr && old_fre == new_fre) { | |
10474 | return 0; | |
10475 | } | |
10476 | /* Check the value is valid */ | |
10477 | if (arg2 & ~known_bits) { | |
10478 | return -TARGET_EOPNOTSUPP; | |
10479 | } | |
10480 | /* Setting FRE without FR is not supported. */ | |
10481 | if (new_fre && !new_fr) { | |
10482 | return -TARGET_EOPNOTSUPP; | |
10483 | } | |
64ea3d67 SM |
10484 | if (new_fr && !(env->active_fpu.fcr0 & (1 << FCR0_F64))) { |
10485 | /* FR1 is not supported */ | |
10486 | return -TARGET_EOPNOTSUPP; | |
10487 | } | |
10488 | if (!new_fr && (env->active_fpu.fcr0 & (1 << FCR0_F64)) | |
10489 | && !(env->CP0_Status_rw_bitmask & (1 << CP0St_FR))) { | |
10490 | /* cannot set FR=0 */ | |
10491 | return -TARGET_EOPNOTSUPP; | |
10492 | } | |
10493 | if (new_fre && !(env->active_fpu.fcr0 & (1 << FCR0_FREP))) { | |
10494 | /* Cannot set FRE=1 */ | |
10495 | return -TARGET_EOPNOTSUPP; | |
10496 | } | |
10497 | ||
10498 | int i; | |
10499 | fpr_t *fpr = env->active_fpu.fpr; | |
10500 | for (i = 0; i < 32 ; i += 2) { | |
10501 | if (!old_fr && new_fr) { | |
10502 | fpr[i].w[!FP_ENDIAN_IDX] = fpr[i + 1].w[FP_ENDIAN_IDX]; | |
10503 | } else if (old_fr && !new_fr) { | |
10504 | fpr[i + 1].w[FP_ENDIAN_IDX] = fpr[i].w[!FP_ENDIAN_IDX]; | |
10505 | } | |
10506 | } | |
10507 | ||
10508 | if (new_fr) { | |
10509 | env->CP0_Status |= (1 << CP0St_FR); | |
10510 | env->hflags |= MIPS_HFLAG_F64; | |
10511 | } else { | |
10512 | env->CP0_Status &= ~(1 << CP0St_FR); | |
6456c510 | 10513 | env->hflags &= ~MIPS_HFLAG_F64; |
64ea3d67 SM |
10514 | } |
10515 | if (new_fre) { | |
10516 | env->CP0_Config5 |= (1 << CP0C5_FRE); | |
10517 | if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) { | |
10518 | env->hflags |= MIPS_HFLAG_FRE; | |
10519 | } | |
10520 | } else { | |
10521 | env->CP0_Config5 &= ~(1 << CP0C5_FRE); | |
6456c510 | 10522 | env->hflags &= ~MIPS_HFLAG_FRE; |
64ea3d67 SM |
10523 | } |
10524 | ||
10525 | return 0; | |
10526 | } | |
5b702ffd | 10527 | #endif /* MIPS */ |
85fc7167 RH |
10528 | #ifdef TARGET_AARCH64 |
10529 | case TARGET_PR_SVE_SET_VL: | |
adf92eab RH |
10530 | /* |
10531 | * We cannot support either PR_SVE_SET_VL_ONEXEC or | |
10532 | * PR_SVE_VL_INHERIT. Note the kernel definition | |
10533 | * of sve_vl_valid allows for VQ=512, i.e. VL=8192, | |
10534 | * even though the current architectural maximum is VQ=16. | |
10535 | */ | |
85fc7167 | 10536 | ret = -TARGET_EINVAL; |
2fc0cc0e | 10537 | if (cpu_isar_feature(aa64_sve, env_archcpu(cpu_env)) |
adf92eab | 10538 | && arg2 >= 0 && arg2 <= 512 * 16 && !(arg2 & 15)) { |
85fc7167 | 10539 | CPUARMState *env = cpu_env; |
2fc0cc0e | 10540 | ARMCPU *cpu = env_archcpu(env); |
adf92eab RH |
10541 | uint32_t vq, old_vq; |
10542 | ||
10543 | old_vq = (env->vfp.zcr_el[1] & 0xf) + 1; | |
10544 | vq = MAX(arg2 / 16, 1); | |
10545 | vq = MIN(vq, cpu->sve_max_vq); | |
85fc7167 RH |
10546 | |
10547 | if (vq < old_vq) { | |
10548 | aarch64_sve_narrow_vq(env, vq); | |
10549 | } | |
10550 | env->vfp.zcr_el[1] = vq - 1; | |
a8a79c7a | 10551 | arm_rebuild_hflags(env); |
85fc7167 RH |
10552 | ret = vq * 16; |
10553 | } | |
72eb7ea8 | 10554 | return ret; |
85fc7167 RH |
10555 | case TARGET_PR_SVE_GET_VL: |
10556 | ret = -TARGET_EINVAL; | |
cd208a1c | 10557 | { |
2fc0cc0e | 10558 | ARMCPU *cpu = env_archcpu(cpu_env); |
cd208a1c RH |
10559 | if (cpu_isar_feature(aa64_sve, cpu)) { |
10560 | ret = ((cpu->env.vfp.zcr_el[1] & 0xf) + 1) * 16; | |
10561 | } | |
85fc7167 | 10562 | } |
72eb7ea8 | 10563 | return ret; |
bff63fbf RH |
10564 | case TARGET_PR_PAC_RESET_KEYS: |
10565 | { | |
10566 | CPUARMState *env = cpu_env; | |
2fc0cc0e | 10567 | ARMCPU *cpu = env_archcpu(env); |
bff63fbf RH |
10568 | |
10569 | if (arg3 || arg4 || arg5) { | |
10570 | return -TARGET_EINVAL; | |
10571 | } | |
10572 | if (cpu_isar_feature(aa64_pauth, cpu)) { | |
10573 | int all = (TARGET_PR_PAC_APIAKEY | TARGET_PR_PAC_APIBKEY | | |
10574 | TARGET_PR_PAC_APDAKEY | TARGET_PR_PAC_APDBKEY | | |
10575 | TARGET_PR_PAC_APGAKEY); | |
51977e25 RH |
10576 | int ret = 0; |
10577 | Error *err = NULL; | |
10578 | ||
bff63fbf RH |
10579 | if (arg2 == 0) { |
10580 | arg2 = all; | |
10581 | } else if (arg2 & ~all) { | |
10582 | return -TARGET_EINVAL; | |
10583 | } | |
10584 | if (arg2 & TARGET_PR_PAC_APIAKEY) { | |
108b3ba8 | 10585 | ret |= qemu_guest_getrandom(&env->keys.apia, |
51977e25 | 10586 | sizeof(ARMPACKey), &err); |
bff63fbf RH |
10587 | } |
10588 | if (arg2 & TARGET_PR_PAC_APIBKEY) { | |
108b3ba8 | 10589 | ret |= qemu_guest_getrandom(&env->keys.apib, |
51977e25 | 10590 | sizeof(ARMPACKey), &err); |
bff63fbf RH |
10591 | } |
10592 | if (arg2 & TARGET_PR_PAC_APDAKEY) { | |
108b3ba8 | 10593 | ret |= qemu_guest_getrandom(&env->keys.apda, |
51977e25 | 10594 | sizeof(ARMPACKey), &err); |
bff63fbf RH |
10595 | } |
10596 | if (arg2 & TARGET_PR_PAC_APDBKEY) { | |
108b3ba8 | 10597 | ret |= qemu_guest_getrandom(&env->keys.apdb, |
51977e25 | 10598 | sizeof(ARMPACKey), &err); |
bff63fbf RH |
10599 | } |
10600 | if (arg2 & TARGET_PR_PAC_APGAKEY) { | |
108b3ba8 | 10601 | ret |= qemu_guest_getrandom(&env->keys.apga, |
51977e25 RH |
10602 | sizeof(ARMPACKey), &err); |
10603 | } | |
10604 | if (ret != 0) { | |
10605 | /* | |
10606 | * Some unknown failure in the crypto. The best | |
10607 | * we can do is log it and fail the syscall. | |
10608 | * The real syscall cannot fail this way. | |
10609 | */ | |
10610 | qemu_log_mask(LOG_UNIMP, | |
10611 | "PR_PAC_RESET_KEYS: Crypto failure: %s", | |
10612 | error_get_pretty(err)); | |
10613 | error_free(err); | |
10614 | return -TARGET_EIO; | |
bff63fbf RH |
10615 | } |
10616 | return 0; | |
10617 | } | |
10618 | } | |
10619 | return -TARGET_EINVAL; | |
85fc7167 | 10620 | #endif /* AARCH64 */ |
a8b154a6 JC |
10621 | case PR_GET_SECCOMP: |
10622 | case PR_SET_SECCOMP: | |
10623 | /* Disable seccomp to prevent the target disabling syscalls we | |
10624 | * need. */ | |
72eb7ea8 | 10625 | return -TARGET_EINVAL; |
1e6722f8 PM |
10626 | default: |
10627 | /* Most prctl options have no pointer arguments */ | |
72eb7ea8 | 10628 | return get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); |
1e6722f8 | 10629 | } |
39b9aae1 | 10630 | break; |
d2fd1af7 FB |
10631 | #ifdef TARGET_NR_arch_prctl |
10632 | case TARGET_NR_arch_prctl: | |
72eb7ea8 | 10633 | return do_arch_prctl(cpu_env, arg1, arg2); |
d2fd1af7 | 10634 | #endif |
f2c7ba15 AJ |
10635 | #ifdef TARGET_NR_pread64 |
10636 | case TARGET_NR_pread64: | |
8bf8e9df | 10637 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
10638 | arg4 = arg5; |
10639 | arg5 = arg6; | |
10640 | } | |
2bd3f899 PM |
10641 | if (arg2 == 0 && arg3 == 0) { |
10642 | /* Special-case NULL buffer and zero length, which should succeed */ | |
10643 | p = 0; | |
10644 | } else { | |
10645 | p = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
10646 | if (!p) { | |
10647 | return -TARGET_EFAULT; | |
10648 | } | |
10649 | } | |
f2c7ba15 AJ |
10650 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); |
10651 | unlock_user(p, arg2, ret); | |
72eb7ea8 | 10652 | return ret; |
f2c7ba15 | 10653 | case TARGET_NR_pwrite64: |
8bf8e9df | 10654 | if (regpairs_aligned(cpu_env, num)) { |
ae017a5b AG |
10655 | arg4 = arg5; |
10656 | arg5 = arg6; | |
10657 | } | |
2bd3f899 PM |
10658 | if (arg2 == 0 && arg3 == 0) { |
10659 | /* Special-case NULL buffer and zero length, which should succeed */ | |
10660 | p = 0; | |
10661 | } else { | |
10662 | p = lock_user(VERIFY_READ, arg2, arg3, 1); | |
10663 | if (!p) { | |
10664 | return -TARGET_EFAULT; | |
10665 | } | |
10666 | } | |
f2c7ba15 AJ |
10667 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); |
10668 | unlock_user(p, arg2, 0); | |
72eb7ea8 | 10669 | return ret; |
67867308 | 10670 | #endif |
31e31b8a | 10671 | case TARGET_NR_getcwd: |
579a97f7 | 10672 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
2852aafd | 10673 | return -TARGET_EFAULT; |
53a5960a PB |
10674 | ret = get_errno(sys_getcwd1(p, arg2)); |
10675 | unlock_user(p, arg1, ret); | |
72eb7ea8 | 10676 | return ret; |
31e31b8a FB |
10677 | case TARGET_NR_capget: |
10678 | case TARGET_NR_capset: | |
e0eb210e PM |
10679 | { |
10680 | struct target_user_cap_header *target_header; | |
10681 | struct target_user_cap_data *target_data = NULL; | |
10682 | struct __user_cap_header_struct header; | |
10683 | struct __user_cap_data_struct data[2]; | |
10684 | struct __user_cap_data_struct *dataptr = NULL; | |
10685 | int i, target_datalen; | |
10686 | int data_items = 1; | |
10687 | ||
10688 | if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { | |
2852aafd | 10689 | return -TARGET_EFAULT; |
e0eb210e PM |
10690 | } |
10691 | header.version = tswap32(target_header->version); | |
10692 | header.pid = tswap32(target_header->pid); | |
10693 | ||
ec864874 | 10694 | if (header.version != _LINUX_CAPABILITY_VERSION) { |
e0eb210e PM |
10695 | /* Version 2 and up takes pointer to two user_data structs */ |
10696 | data_items = 2; | |
10697 | } | |
10698 | ||
10699 | target_datalen = sizeof(*target_data) * data_items; | |
10700 | ||
10701 | if (arg2) { | |
10702 | if (num == TARGET_NR_capget) { | |
10703 | target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0); | |
10704 | } else { | |
10705 | target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1); | |
10706 | } | |
10707 | if (!target_data) { | |
10708 | unlock_user_struct(target_header, arg1, 0); | |
2852aafd | 10709 | return -TARGET_EFAULT; |
e0eb210e PM |
10710 | } |
10711 | ||
10712 | if (num == TARGET_NR_capset) { | |
10713 | for (i = 0; i < data_items; i++) { | |
10714 | data[i].effective = tswap32(target_data[i].effective); | |
10715 | data[i].permitted = tswap32(target_data[i].permitted); | |
10716 | data[i].inheritable = tswap32(target_data[i].inheritable); | |
10717 | } | |
10718 | } | |
10719 | ||
10720 | dataptr = data; | |
10721 | } | |
10722 | ||
10723 | if (num == TARGET_NR_capget) { | |
10724 | ret = get_errno(capget(&header, dataptr)); | |
10725 | } else { | |
10726 | ret = get_errno(capset(&header, dataptr)); | |
10727 | } | |
10728 | ||
10729 | /* The kernel always updates version for both capget and capset */ | |
10730 | target_header->version = tswap32(header.version); | |
10731 | unlock_user_struct(target_header, arg1, 1); | |
10732 | ||
10733 | if (arg2) { | |
10734 | if (num == TARGET_NR_capget) { | |
10735 | for (i = 0; i < data_items; i++) { | |
10736 | target_data[i].effective = tswap32(data[i].effective); | |
10737 | target_data[i].permitted = tswap32(data[i].permitted); | |
10738 | target_data[i].inheritable = tswap32(data[i].inheritable); | |
10739 | } | |
10740 | unlock_user(target_data, arg2, target_datalen); | |
10741 | } else { | |
10742 | unlock_user(target_data, arg2, 0); | |
10743 | } | |
10744 | } | |
72eb7ea8 | 10745 | return ret; |
e0eb210e | 10746 | } |
31e31b8a | 10747 | case TARGET_NR_sigaltstack: |
72eb7ea8 RH |
10748 | return do_sigaltstack(arg1, arg2, |
10749 | get_sp_from_cpustate((CPUArchState *)cpu_env)); | |
a8fd1aba PM |
10750 | |
10751 | #ifdef CONFIG_SENDFILE | |
4f7f8924 | 10752 | #ifdef TARGET_NR_sendfile |
a8fd1aba PM |
10753 | case TARGET_NR_sendfile: |
10754 | { | |
10755 | off_t *offp = NULL; | |
10756 | off_t off; | |
10757 | if (arg3) { | |
10758 | ret = get_user_sal(off, arg3); | |
10759 | if (is_error(ret)) { | |
72eb7ea8 | 10760 | return ret; |
a8fd1aba PM |
10761 | } |
10762 | offp = &off; | |
10763 | } | |
10764 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
10765 | if (!is_error(ret) && arg3) { | |
10766 | abi_long ret2 = put_user_sal(off, arg3); | |
10767 | if (is_error(ret2)) { | |
10768 | ret = ret2; | |
10769 | } | |
10770 | } | |
72eb7ea8 | 10771 | return ret; |
a8fd1aba | 10772 | } |
4f7f8924 | 10773 | #endif |
a8fd1aba PM |
10774 | #ifdef TARGET_NR_sendfile64 |
10775 | case TARGET_NR_sendfile64: | |
10776 | { | |
10777 | off_t *offp = NULL; | |
10778 | off_t off; | |
10779 | if (arg3) { | |
10780 | ret = get_user_s64(off, arg3); | |
10781 | if (is_error(ret)) { | |
72eb7ea8 | 10782 | return ret; |
a8fd1aba PM |
10783 | } |
10784 | offp = &off; | |
10785 | } | |
10786 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
10787 | if (!is_error(ret) && arg3) { | |
10788 | abi_long ret2 = put_user_s64(off, arg3); | |
10789 | if (is_error(ret2)) { | |
10790 | ret = ret2; | |
10791 | } | |
10792 | } | |
72eb7ea8 | 10793 | return ret; |
a8fd1aba PM |
10794 | } |
10795 | #endif | |
ebc05488 | 10796 | #endif |
048f6b4d | 10797 | #ifdef TARGET_NR_vfork |
31e31b8a | 10798 | case TARGET_NR_vfork: |
72eb7ea8 RH |
10799 | return get_errno(do_fork(cpu_env, |
10800 | CLONE_VFORK | CLONE_VM | TARGET_SIGCHLD, | |
10801 | 0, 0, 0, 0)); | |
048f6b4d | 10802 | #endif |
ebc05488 | 10803 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 10804 | case TARGET_NR_ugetrlimit: |
728584be FB |
10805 | { |
10806 | struct rlimit rlim; | |
e22b7015 WT |
10807 | int resource = target_to_host_resource(arg1); |
10808 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 10809 | if (!is_error(ret)) { |
53a5960a | 10810 | struct target_rlimit *target_rlim; |
579a97f7 | 10811 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
2852aafd | 10812 | return -TARGET_EFAULT; |
81bbe906 TY |
10813 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
10814 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 10815 | unlock_user_struct(target_rlim, arg2, 1); |
728584be | 10816 | } |
72eb7ea8 | 10817 | return ret; |
728584be | 10818 | } |
ebc05488 | 10819 | #endif |
a315a145 | 10820 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 10821 | case TARGET_NR_truncate64: |
579a97f7 | 10822 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10823 | return -TARGET_EFAULT; |
53a5960a PB |
10824 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
10825 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10826 | return ret; |
a315a145 FB |
10827 | #endif |
10828 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 10829 | case TARGET_NR_ftruncate64: |
72eb7ea8 | 10830 | return target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
a315a145 FB |
10831 | #endif |
10832 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 10833 | case TARGET_NR_stat64: |
2852aafd RH |
10834 | if (!(p = lock_user_string(arg1))) { |
10835 | return -TARGET_EFAULT; | |
10836 | } | |
53a5960a PB |
10837 | ret = get_errno(stat(path(p), &st)); |
10838 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
10839 | if (!is_error(ret)) |
10840 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 10841 | return ret; |
a315a145 FB |
10842 | #endif |
10843 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 10844 | case TARGET_NR_lstat64: |
2852aafd RH |
10845 | if (!(p = lock_user_string(arg1))) { |
10846 | return -TARGET_EFAULT; | |
10847 | } | |
53a5960a PB |
10848 | ret = get_errno(lstat(path(p), &st)); |
10849 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
10850 | if (!is_error(ret)) |
10851 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 10852 | return ret; |
a315a145 FB |
10853 | #endif |
10854 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 10855 | case TARGET_NR_fstat64: |
6a24a778 AZ |
10856 | ret = get_errno(fstat(arg1, &st)); |
10857 | if (!is_error(ret)) | |
10858 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
72eb7ea8 | 10859 | return ret; |
ce4defa0 | 10860 | #endif |
c0d472b1 | 10861 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) |
9d33b76b | 10862 | #ifdef TARGET_NR_fstatat64 |
6a24a778 | 10863 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
10864 | #endif |
10865 | #ifdef TARGET_NR_newfstatat | |
10866 | case TARGET_NR_newfstatat: | |
10867 | #endif | |
2852aafd RH |
10868 | if (!(p = lock_user_string(arg2))) { |
10869 | return -TARGET_EFAULT; | |
10870 | } | |
c0d472b1 | 10871 | ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
2852aafd | 10872 | unlock_user(p, arg2, 0); |
6a24a778 AZ |
10873 | if (!is_error(ret)) |
10874 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
72eb7ea8 | 10875 | return ret; |
a315a145 | 10876 | #endif |
efa92184 AR |
10877 | #if defined(TARGET_NR_statx) |
10878 | case TARGET_NR_statx: | |
10879 | { | |
10880 | struct target_statx *target_stx; | |
10881 | int dirfd = arg1; | |
10882 | int flags = arg3; | |
10883 | ||
10884 | p = lock_user_string(arg2); | |
10885 | if (p == NULL) { | |
10886 | return -TARGET_EFAULT; | |
10887 | } | |
10888 | #if defined(__NR_statx) | |
10889 | { | |
10890 | /* | |
10891 | * It is assumed that struct statx is architecture independent. | |
10892 | */ | |
10893 | struct target_statx host_stx; | |
10894 | int mask = arg4; | |
10895 | ||
10896 | ret = get_errno(sys_statx(dirfd, p, flags, mask, &host_stx)); | |
10897 | if (!is_error(ret)) { | |
10898 | if (host_to_target_statx(&host_stx, arg5) != 0) { | |
10899 | unlock_user(p, arg2, 0); | |
10900 | return -TARGET_EFAULT; | |
10901 | } | |
10902 | } | |
10903 | ||
10904 | if (ret != -TARGET_ENOSYS) { | |
10905 | unlock_user(p, arg2, 0); | |
10906 | return ret; | |
10907 | } | |
10908 | } | |
10909 | #endif | |
10910 | ret = get_errno(fstatat(dirfd, path(p), &st, flags)); | |
10911 | unlock_user(p, arg2, 0); | |
10912 | ||
10913 | if (!is_error(ret)) { | |
10914 | if (!lock_user_struct(VERIFY_WRITE, target_stx, arg5, 0)) { | |
10915 | return -TARGET_EFAULT; | |
10916 | } | |
10917 | memset(target_stx, 0, sizeof(*target_stx)); | |
10918 | __put_user(major(st.st_dev), &target_stx->stx_dev_major); | |
10919 | __put_user(minor(st.st_dev), &target_stx->stx_dev_minor); | |
10920 | __put_user(st.st_ino, &target_stx->stx_ino); | |
10921 | __put_user(st.st_mode, &target_stx->stx_mode); | |
10922 | __put_user(st.st_uid, &target_stx->stx_uid); | |
10923 | __put_user(st.st_gid, &target_stx->stx_gid); | |
10924 | __put_user(st.st_nlink, &target_stx->stx_nlink); | |
10925 | __put_user(major(st.st_rdev), &target_stx->stx_rdev_major); | |
10926 | __put_user(minor(st.st_rdev), &target_stx->stx_rdev_minor); | |
10927 | __put_user(st.st_size, &target_stx->stx_size); | |
10928 | __put_user(st.st_blksize, &target_stx->stx_blksize); | |
10929 | __put_user(st.st_blocks, &target_stx->stx_blocks); | |
10930 | __put_user(st.st_atime, &target_stx->stx_atime.tv_sec); | |
10931 | __put_user(st.st_mtime, &target_stx->stx_mtime.tv_sec); | |
10932 | __put_user(st.st_ctime, &target_stx->stx_ctime.tv_sec); | |
10933 | unlock_user_struct(target_stx, arg5, 1); | |
10934 | } | |
10935 | } | |
10936 | return ret; | |
10937 | #endif | |
704eff6c | 10938 | #ifdef TARGET_NR_lchown |
67867308 | 10939 | case TARGET_NR_lchown: |
579a97f7 | 10940 | if (!(p = lock_user_string(arg1))) |
2852aafd | 10941 | return -TARGET_EFAULT; |
53a5960a PB |
10942 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
10943 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 10944 | return ret; |
704eff6c | 10945 | #endif |
0c866a7e | 10946 | #ifdef TARGET_NR_getuid |
67867308 | 10947 | case TARGET_NR_getuid: |
72eb7ea8 | 10948 | return get_errno(high2lowuid(getuid())); |
0c866a7e RV |
10949 | #endif |
10950 | #ifdef TARGET_NR_getgid | |
67867308 | 10951 | case TARGET_NR_getgid: |
72eb7ea8 | 10952 | return get_errno(high2lowgid(getgid())); |
0c866a7e RV |
10953 | #endif |
10954 | #ifdef TARGET_NR_geteuid | |
67867308 | 10955 | case TARGET_NR_geteuid: |
72eb7ea8 | 10956 | return get_errno(high2lowuid(geteuid())); |
0c866a7e RV |
10957 | #endif |
10958 | #ifdef TARGET_NR_getegid | |
67867308 | 10959 | case TARGET_NR_getegid: |
72eb7ea8 | 10960 | return get_errno(high2lowgid(getegid())); |
0c866a7e | 10961 | #endif |
67867308 | 10962 | case TARGET_NR_setreuid: |
72eb7ea8 | 10963 | return get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); |
67867308 | 10964 | case TARGET_NR_setregid: |
72eb7ea8 | 10965 | return get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); |
67867308 FB |
10966 | case TARGET_NR_getgroups: |
10967 | { | |
10968 | int gidsetsize = arg1; | |
0c866a7e | 10969 | target_id *target_grouplist; |
67867308 FB |
10970 | gid_t *grouplist; |
10971 | int i; | |
10972 | ||
10973 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
10974 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 | 10975 | if (gidsetsize == 0) |
72eb7ea8 | 10976 | return ret; |
67867308 | 10977 | if (!is_error(ret)) { |
03903ffc | 10978 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); |
579a97f7 | 10979 | if (!target_grouplist) |
2852aafd | 10980 | return -TARGET_EFAULT; |
a2155fcc | 10981 | for(i = 0;i < ret; i++) |
0c866a7e | 10982 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
03903ffc | 10983 | unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); |
67867308 FB |
10984 | } |
10985 | } | |
72eb7ea8 | 10986 | return ret; |
67867308 FB |
10987 | case TARGET_NR_setgroups: |
10988 | { | |
10989 | int gidsetsize = arg1; | |
0c866a7e | 10990 | target_id *target_grouplist; |
f2b79ce9 | 10991 | gid_t *grouplist = NULL; |
67867308 | 10992 | int i; |
f2b79ce9 DA |
10993 | if (gidsetsize) { |
10994 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
03903ffc | 10995 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1); |
f2b79ce9 | 10996 | if (!target_grouplist) { |
259841c1 | 10997 | return -TARGET_EFAULT; |
f2b79ce9 DA |
10998 | } |
10999 | for (i = 0; i < gidsetsize; i++) { | |
11000 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
11001 | } | |
11002 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 11003 | } |
72eb7ea8 | 11004 | return get_errno(setgroups(gidsetsize, grouplist)); |
67867308 | 11005 | } |
67867308 | 11006 | case TARGET_NR_fchown: |
72eb7ea8 | 11007 | return get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); |
c0d472b1 | 11008 | #if defined(TARGET_NR_fchownat) |
ccfa72b7 | 11009 | case TARGET_NR_fchownat: |
579a97f7 | 11010 | if (!(p = lock_user_string(arg2))) |
2852aafd | 11011 | return -TARGET_EFAULT; |
c0d472b1 PM |
11012 | ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
11013 | low2highgid(arg4), arg5)); | |
579a97f7 | 11014 | unlock_user(p, arg2, 0); |
72eb7ea8 | 11015 | return ret; |
ccfa72b7 | 11016 | #endif |
67867308 FB |
11017 | #ifdef TARGET_NR_setresuid |
11018 | case TARGET_NR_setresuid: | |
72eb7ea8 RH |
11019 | return get_errno(sys_setresuid(low2highuid(arg1), |
11020 | low2highuid(arg2), | |
11021 | low2highuid(arg3))); | |
67867308 FB |
11022 | #endif |
11023 | #ifdef TARGET_NR_getresuid | |
11024 | case TARGET_NR_getresuid: | |
11025 | { | |
53a5960a | 11026 | uid_t ruid, euid, suid; |
67867308 FB |
11027 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
11028 | if (!is_error(ret)) { | |
76ca310a PM |
11029 | if (put_user_id(high2lowuid(ruid), arg1) |
11030 | || put_user_id(high2lowuid(euid), arg2) | |
11031 | || put_user_id(high2lowuid(suid), arg3)) | |
2852aafd | 11032 | return -TARGET_EFAULT; |
67867308 FB |
11033 | } |
11034 | } | |
72eb7ea8 | 11035 | return ret; |
67867308 FB |
11036 | #endif |
11037 | #ifdef TARGET_NR_getresgid | |
11038 | case TARGET_NR_setresgid: | |
72eb7ea8 RH |
11039 | return get_errno(sys_setresgid(low2highgid(arg1), |
11040 | low2highgid(arg2), | |
11041 | low2highgid(arg3))); | |
67867308 FB |
11042 | #endif |
11043 | #ifdef TARGET_NR_getresgid | |
11044 | case TARGET_NR_getresgid: | |
11045 | { | |
53a5960a | 11046 | gid_t rgid, egid, sgid; |
67867308 FB |
11047 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
11048 | if (!is_error(ret)) { | |
76ca310a PM |
11049 | if (put_user_id(high2lowgid(rgid), arg1) |
11050 | || put_user_id(high2lowgid(egid), arg2) | |
11051 | || put_user_id(high2lowgid(sgid), arg3)) | |
2852aafd | 11052 | return -TARGET_EFAULT; |
67867308 FB |
11053 | } |
11054 | } | |
72eb7ea8 | 11055 | return ret; |
67867308 | 11056 | #endif |
704eff6c | 11057 | #ifdef TARGET_NR_chown |
67867308 | 11058 | case TARGET_NR_chown: |
579a97f7 | 11059 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11060 | return -TARGET_EFAULT; |
53a5960a PB |
11061 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
11062 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11063 | return ret; |
704eff6c | 11064 | #endif |
67867308 | 11065 | case TARGET_NR_setuid: |
72eb7ea8 | 11066 | return get_errno(sys_setuid(low2highuid(arg1))); |
67867308 | 11067 | case TARGET_NR_setgid: |
72eb7ea8 | 11068 | return get_errno(sys_setgid(low2highgid(arg1))); |
67867308 | 11069 | case TARGET_NR_setfsuid: |
72eb7ea8 | 11070 | return get_errno(setfsuid(arg1)); |
67867308 | 11071 | case TARGET_NR_setfsgid: |
72eb7ea8 | 11072 | return get_errno(setfsgid(arg1)); |
67867308 | 11073 | |
a315a145 | 11074 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 11075 | case TARGET_NR_lchown32: |
579a97f7 | 11076 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11077 | return -TARGET_EFAULT; |
53a5960a PB |
11078 | ret = get_errno(lchown(p, arg2, arg3)); |
11079 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11080 | return ret; |
a315a145 FB |
11081 | #endif |
11082 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 11083 | case TARGET_NR_getuid32: |
72eb7ea8 | 11084 | return get_errno(getuid()); |
a315a145 | 11085 | #endif |
64b4d28c AJ |
11086 | |
11087 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
11088 | /* Alpha specific */ | |
11089 | case TARGET_NR_getxuid: | |
ba0e276d RH |
11090 | { |
11091 | uid_t euid; | |
11092 | euid=geteuid(); | |
11093 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; | |
11094 | } | |
72eb7ea8 | 11095 | return get_errno(getuid()); |
64b4d28c AJ |
11096 | #endif |
11097 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
11098 | /* Alpha specific */ | |
11099 | case TARGET_NR_getxgid: | |
ba0e276d RH |
11100 | { |
11101 | uid_t egid; | |
11102 | egid=getegid(); | |
11103 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; | |
11104 | } | |
72eb7ea8 | 11105 | return get_errno(getgid()); |
64b4d28c | 11106 | #endif |
ba0e276d RH |
11107 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
11108 | /* Alpha specific */ | |
11109 | case TARGET_NR_osf_getsysinfo: | |
11110 | ret = -TARGET_EOPNOTSUPP; | |
11111 | switch (arg1) { | |
11112 | case TARGET_GSI_IEEE_FP_CONTROL: | |
11113 | { | |
21ba8564 RH |
11114 | uint64_t fpcr = cpu_alpha_load_fpcr(cpu_env); |
11115 | uint64_t swcr = ((CPUAlphaState *)cpu_env)->swcr; | |
11116 | ||
11117 | swcr &= ~SWCR_STATUS_MASK; | |
11118 | swcr |= (fpcr >> 35) & SWCR_STATUS_MASK; | |
ba0e276d RH |
11119 | |
11120 | if (put_user_u64 (swcr, arg2)) | |
2852aafd | 11121 | return -TARGET_EFAULT; |
ba0e276d RH |
11122 | ret = 0; |
11123 | } | |
11124 | break; | |
11125 | ||
11126 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
11127 | -- Not implemented in linux kernel. | |
11128 | case GSI_UACPROC: | |
11129 | -- Retrieves current unaligned access state; not much used. | |
11130 | case GSI_PROC_TYPE: | |
11131 | -- Retrieves implver information; surely not used. | |
11132 | case GSI_GET_HWRPB: | |
11133 | -- Grabs a copy of the HWRPB; surely not used. | |
11134 | */ | |
11135 | } | |
72eb7ea8 | 11136 | return ret; |
ba0e276d RH |
11137 | #endif |
11138 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
11139 | /* Alpha specific */ | |
11140 | case TARGET_NR_osf_setsysinfo: | |
11141 | ret = -TARGET_EOPNOTSUPP; | |
11142 | switch (arg1) { | |
11143 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d | 11144 | { |
21ba8564 | 11145 | uint64_t swcr, fpcr; |
ba0e276d | 11146 | |
6e06d515 | 11147 | if (get_user_u64 (swcr, arg2)) { |
2852aafd | 11148 | return -TARGET_EFAULT; |
6e06d515 | 11149 | } |
ba0e276d | 11150 | |
21ba8564 RH |
11151 | /* |
11152 | * The kernel calls swcr_update_status to update the | |
11153 | * status bits from the fpcr at every point that it | |
11154 | * could be queried. Therefore, we store the status | |
11155 | * bits only in FPCR. | |
11156 | */ | |
11157 | ((CPUAlphaState *)cpu_env)->swcr | |
11158 | = swcr & (SWCR_TRAP_ENABLE_MASK | SWCR_MAP_MASK); | |
11159 | ||
11160 | fpcr = cpu_alpha_load_fpcr(cpu_env); | |
11161 | fpcr &= ((uint64_t)FPCR_DYN_MASK << 32); | |
11162 | fpcr |= alpha_ieee_swcr_to_fpcr(swcr); | |
6e06d515 | 11163 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 11164 | ret = 0; |
6e06d515 RH |
11165 | } |
11166 | break; | |
11167 | ||
11168 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
11169 | { | |
21ba8564 | 11170 | uint64_t exc, fpcr, fex; |
6e06d515 RH |
11171 | |
11172 | if (get_user_u64(exc, arg2)) { | |
2852aafd | 11173 | return -TARGET_EFAULT; |
6e06d515 | 11174 | } |
21ba8564 RH |
11175 | exc &= SWCR_STATUS_MASK; |
11176 | fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d | 11177 | |
21ba8564 RH |
11178 | /* Old exceptions are not signaled. */ |
11179 | fex = alpha_ieee_fpcr_to_swcr(fpcr); | |
11180 | fex = exc & ~fex; | |
11181 | fex >>= SWCR_STATUS_TO_EXCSUM_SHIFT; | |
11182 | fex &= ((CPUArchState *)cpu_env)->swcr; | |
6e06d515 | 11183 | |
21ba8564 RH |
11184 | /* Update the hardware fpcr. */ |
11185 | fpcr |= alpha_ieee_swcr_to_fpcr(exc); | |
6e06d515 | 11186 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
6e06d515 | 11187 | |
21ba8564 RH |
11188 | if (fex) { |
11189 | int si_code = TARGET_FPE_FLTUNK; | |
6e06d515 | 11190 | target_siginfo_t info; |
21ba8564 RH |
11191 | |
11192 | if (fex & SWCR_TRAP_ENABLE_DNO) { | |
11193 | si_code = TARGET_FPE_FLTUND; | |
11194 | } | |
11195 | if (fex & SWCR_TRAP_ENABLE_INE) { | |
11196 | si_code = TARGET_FPE_FLTRES; | |
11197 | } | |
11198 | if (fex & SWCR_TRAP_ENABLE_UNF) { | |
11199 | si_code = TARGET_FPE_FLTUND; | |
11200 | } | |
11201 | if (fex & SWCR_TRAP_ENABLE_OVF) { | |
11202 | si_code = TARGET_FPE_FLTOVF; | |
11203 | } | |
11204 | if (fex & SWCR_TRAP_ENABLE_DZE) { | |
11205 | si_code = TARGET_FPE_FLTDIV; | |
11206 | } | |
11207 | if (fex & SWCR_TRAP_ENABLE_INV) { | |
11208 | si_code = TARGET_FPE_FLTINV; | |
11209 | } | |
11210 | ||
6e06d515 RH |
11211 | info.si_signo = SIGFPE; |
11212 | info.si_errno = 0; | |
11213 | info.si_code = si_code; | |
11214 | info._sifields._sigfault._addr | |
11215 | = ((CPUArchState *)cpu_env)->pc; | |
9d2803f7 PM |
11216 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
11217 | QEMU_SI_FAULT, &info); | |
ba0e276d | 11218 | } |
21ba8564 | 11219 | ret = 0; |
ba0e276d RH |
11220 | } |
11221 | break; | |
11222 | ||
11223 | /* case SSI_NVPAIRS: | |
11224 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
11225 | case SSI_IEEE_STATE_AT_SIGNAL: | |
11226 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
11227 | -- Not implemented in linux kernel | |
11228 | */ | |
11229 | } | |
72eb7ea8 | 11230 | return ret; |
ba0e276d RH |
11231 | #endif |
11232 | #ifdef TARGET_NR_osf_sigprocmask | |
11233 | /* Alpha specific. */ | |
11234 | case TARGET_NR_osf_sigprocmask: | |
11235 | { | |
11236 | abi_ulong mask; | |
bc088ba1 | 11237 | int how; |
ba0e276d RH |
11238 | sigset_t set, oldset; |
11239 | ||
11240 | switch(arg1) { | |
11241 | case TARGET_SIG_BLOCK: | |
11242 | how = SIG_BLOCK; | |
11243 | break; | |
11244 | case TARGET_SIG_UNBLOCK: | |
11245 | how = SIG_UNBLOCK; | |
11246 | break; | |
11247 | case TARGET_SIG_SETMASK: | |
11248 | how = SIG_SETMASK; | |
11249 | break; | |
11250 | default: | |
259841c1 | 11251 | return -TARGET_EINVAL; |
ba0e276d RH |
11252 | } |
11253 | mask = arg2; | |
11254 | target_to_host_old_sigset(&set, &mask); | |
3d3efba0 PM |
11255 | ret = do_sigprocmask(how, &set, &oldset); |
11256 | if (!ret) { | |
11257 | host_to_target_old_sigset(&mask, &oldset); | |
11258 | ret = mask; | |
11259 | } | |
ba0e276d | 11260 | } |
72eb7ea8 | 11261 | return ret; |
ba0e276d | 11262 | #endif |
64b4d28c | 11263 | |
a315a145 | 11264 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 11265 | case TARGET_NR_getgid32: |
72eb7ea8 | 11266 | return get_errno(getgid()); |
a315a145 FB |
11267 | #endif |
11268 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 11269 | case TARGET_NR_geteuid32: |
72eb7ea8 | 11270 | return get_errno(geteuid()); |
a315a145 FB |
11271 | #endif |
11272 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 11273 | case TARGET_NR_getegid32: |
72eb7ea8 | 11274 | return get_errno(getegid()); |
a315a145 FB |
11275 | #endif |
11276 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 11277 | case TARGET_NR_setreuid32: |
72eb7ea8 | 11278 | return get_errno(setreuid(arg1, arg2)); |
a315a145 FB |
11279 | #endif |
11280 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 11281 | case TARGET_NR_setregid32: |
72eb7ea8 | 11282 | return get_errno(setregid(arg1, arg2)); |
a315a145 FB |
11283 | #endif |
11284 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 11285 | case TARGET_NR_getgroups32: |
99c475ab FB |
11286 | { |
11287 | int gidsetsize = arg1; | |
53a5960a | 11288 | uint32_t *target_grouplist; |
99c475ab FB |
11289 | gid_t *grouplist; |
11290 | int i; | |
11291 | ||
11292 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
11293 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 | 11294 | if (gidsetsize == 0) |
72eb7ea8 | 11295 | return ret; |
99c475ab | 11296 | if (!is_error(ret)) { |
579a97f7 FB |
11297 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
11298 | if (!target_grouplist) { | |
259841c1 | 11299 | return -TARGET_EFAULT; |
579a97f7 | 11300 | } |
a2155fcc | 11301 | for(i = 0;i < ret; i++) |
53a5960a PB |
11302 | target_grouplist[i] = tswap32(grouplist[i]); |
11303 | unlock_user(target_grouplist, arg2, gidsetsize * 4); | |
99c475ab FB |
11304 | } |
11305 | } | |
72eb7ea8 | 11306 | return ret; |
a315a145 FB |
11307 | #endif |
11308 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 11309 | case TARGET_NR_setgroups32: |
99c475ab FB |
11310 | { |
11311 | int gidsetsize = arg1; | |
53a5960a | 11312 | uint32_t *target_grouplist; |
99c475ab FB |
11313 | gid_t *grouplist; |
11314 | int i; | |
3b46e624 | 11315 | |
99c475ab | 11316 | grouplist = alloca(gidsetsize * sizeof(gid_t)); |
579a97f7 FB |
11317 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
11318 | if (!target_grouplist) { | |
259841c1 | 11319 | return -TARGET_EFAULT; |
579a97f7 | 11320 | } |
99c475ab | 11321 | for(i = 0;i < gidsetsize; i++) |
53a5960a PB |
11322 | grouplist[i] = tswap32(target_grouplist[i]); |
11323 | unlock_user(target_grouplist, arg2, 0); | |
72eb7ea8 | 11324 | return get_errno(setgroups(gidsetsize, grouplist)); |
99c475ab | 11325 | } |
a315a145 FB |
11326 | #endif |
11327 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 11328 | case TARGET_NR_fchown32: |
72eb7ea8 | 11329 | return get_errno(fchown(arg1, arg2, arg3)); |
a315a145 FB |
11330 | #endif |
11331 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 11332 | case TARGET_NR_setresuid32: |
72eb7ea8 | 11333 | return get_errno(sys_setresuid(arg1, arg2, arg3)); |
a315a145 FB |
11334 | #endif |
11335 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 11336 | case TARGET_NR_getresuid32: |
b03c60f3 | 11337 | { |
53a5960a | 11338 | uid_t ruid, euid, suid; |
b03c60f3 FB |
11339 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
11340 | if (!is_error(ret)) { | |
2f619698 FB |
11341 | if (put_user_u32(ruid, arg1) |
11342 | || put_user_u32(euid, arg2) | |
11343 | || put_user_u32(suid, arg3)) | |
2852aafd | 11344 | return -TARGET_EFAULT; |
b03c60f3 FB |
11345 | } |
11346 | } | |
72eb7ea8 | 11347 | return ret; |
a315a145 FB |
11348 | #endif |
11349 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 11350 | case TARGET_NR_setresgid32: |
72eb7ea8 | 11351 | return get_errno(sys_setresgid(arg1, arg2, arg3)); |
a315a145 FB |
11352 | #endif |
11353 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 11354 | case TARGET_NR_getresgid32: |
b03c60f3 | 11355 | { |
53a5960a | 11356 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
11357 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
11358 | if (!is_error(ret)) { | |
2f619698 FB |
11359 | if (put_user_u32(rgid, arg1) |
11360 | || put_user_u32(egid, arg2) | |
11361 | || put_user_u32(sgid, arg3)) | |
2852aafd | 11362 | return -TARGET_EFAULT; |
b03c60f3 FB |
11363 | } |
11364 | } | |
72eb7ea8 | 11365 | return ret; |
a315a145 FB |
11366 | #endif |
11367 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 11368 | case TARGET_NR_chown32: |
579a97f7 | 11369 | if (!(p = lock_user_string(arg1))) |
2852aafd | 11370 | return -TARGET_EFAULT; |
53a5960a PB |
11371 | ret = get_errno(chown(p, arg2, arg3)); |
11372 | unlock_user(p, arg1, 0); | |
72eb7ea8 | 11373 | return ret; |
a315a145 FB |
11374 | #endif |
11375 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 11376 | case TARGET_NR_setuid32: |
72eb7ea8 | 11377 | return get_errno(sys_setuid(arg1)); |
a315a145 FB |
11378 | #endif |
11379 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 11380 | case TARGET_NR_setgid32: |
72eb7ea8 | 11381 | return get_errno(sys_setgid(arg1)); |
a315a145 FB |
11382 | #endif |
11383 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 11384 | case TARGET_NR_setfsuid32: |
72eb7ea8 | 11385 | return get_errno(setfsuid(arg1)); |
a315a145 FB |
11386 | #endif |
11387 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 11388 | case TARGET_NR_setfsgid32: |
72eb7ea8 | 11389 | return get_errno(setfsgid(arg1)); |
a315a145 | 11390 | #endif |
ffa65c3b | 11391 | #ifdef TARGET_NR_mincore |
31e31b8a | 11392 | case TARGET_NR_mincore: |
04bb9ace | 11393 | { |
259841c1 | 11394 | void *a = lock_user(VERIFY_READ, arg1, arg2, 0); |
98a3331a | 11395 | if (!a) { |
259841c1 | 11396 | return -TARGET_ENOMEM; |
98a3331a | 11397 | } |
98a3331a FSM |
11398 | p = lock_user_string(arg3); |
11399 | if (!p) { | |
259841c1 RH |
11400 | ret = -TARGET_EFAULT; |
11401 | } else { | |
11402 | ret = get_errno(mincore(a, arg2, p)); | |
11403 | unlock_user(p, arg3, ret); | |
98a3331a | 11404 | } |
04bb9ace AJ |
11405 | unlock_user(a, arg1, 0); |
11406 | } | |
72eb7ea8 | 11407 | return ret; |
ffa65c3b | 11408 | #endif |
408321b6 AJ |
11409 | #ifdef TARGET_NR_arm_fadvise64_64 |
11410 | case TARGET_NR_arm_fadvise64_64: | |
e0156a9d PM |
11411 | /* arm_fadvise64_64 looks like fadvise64_64 but |
11412 | * with different argument order: fd, advice, offset, len | |
11413 | * rather than the usual fd, offset, len, advice. | |
11414 | * Note that offset and len are both 64-bit so appear as | |
11415 | * pairs of 32-bit registers. | |
11416 | */ | |
11417 | ret = posix_fadvise(arg1, target_offset64(arg3, arg4), | |
11418 | target_offset64(arg5, arg6), arg2); | |
72eb7ea8 | 11419 | return -host_to_target_errno(ret); |
408321b6 | 11420 | #endif |
badd3cd8 PM |
11421 | |
11422 | #if TARGET_ABI_BITS == 32 | |
11423 | ||
11424 | #ifdef TARGET_NR_fadvise64_64 | |
11425 | case TARGET_NR_fadvise64_64: | |
64a563dd | 11426 | #if defined(TARGET_PPC) || defined(TARGET_XTENSA) |
43046b5a LV |
11427 | /* 6 args: fd, advice, offset (high, low), len (high, low) */ |
11428 | ret = arg2; | |
11429 | arg2 = arg3; | |
11430 | arg3 = arg4; | |
11431 | arg4 = arg5; | |
11432 | arg5 = arg6; | |
11433 | arg6 = ret; | |
11434 | #else | |
badd3cd8 | 11435 | /* 6 args: fd, offset (high, low), len (high, low), advice */ |
8bf8e9df | 11436 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
11437 | /* offset is in (3,4), len in (5,6) and advice in 7 */ |
11438 | arg2 = arg3; | |
11439 | arg3 = arg4; | |
11440 | arg4 = arg5; | |
11441 | arg5 = arg6; | |
11442 | arg6 = arg7; | |
11443 | } | |
43046b5a | 11444 | #endif |
72eb7ea8 RH |
11445 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), |
11446 | target_offset64(arg4, arg5), arg6); | |
11447 | return -host_to_target_errno(ret); | |
badd3cd8 PM |
11448 | #endif |
11449 | ||
11450 | #ifdef TARGET_NR_fadvise64 | |
11451 | case TARGET_NR_fadvise64: | |
11452 | /* 5 args: fd, offset (high, low), len, advice */ | |
8bf8e9df | 11453 | if (regpairs_aligned(cpu_env, num)) { |
badd3cd8 PM |
11454 | /* offset is in (3,4), len in 5 and advice in 6 */ |
11455 | arg2 = arg3; | |
11456 | arg3 = arg4; | |
11457 | arg4 = arg5; | |
11458 | arg5 = arg6; | |
11459 | } | |
72eb7ea8 RH |
11460 | ret = posix_fadvise(arg1, target_offset64(arg2, arg3), arg4, arg5); |
11461 | return -host_to_target_errno(ret); | |
408321b6 | 11462 | #endif |
badd3cd8 PM |
11463 | |
11464 | #else /* not a 32-bit ABI */ | |
e0156a9d | 11465 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
11466 | #ifdef TARGET_NR_fadvise64_64 |
11467 | case TARGET_NR_fadvise64_64: | |
11468 | #endif | |
e72d2cc7 UH |
11469 | #ifdef TARGET_NR_fadvise64 |
11470 | case TARGET_NR_fadvise64: | |
11471 | #endif | |
11472 | #ifdef TARGET_S390X | |
11473 | switch (arg4) { | |
11474 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
11475 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
11476 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
11477 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
11478 | default: break; | |
11479 | } | |
11480 | #endif | |
72eb7ea8 | 11481 | return -host_to_target_errno(posix_fadvise(arg1, arg2, arg3, arg4)); |
408321b6 | 11482 | #endif |
badd3cd8 PM |
11483 | #endif /* end of 64-bit ABI fadvise handling */ |
11484 | ||
ffa65c3b | 11485 | #ifdef TARGET_NR_madvise |
31e31b8a | 11486 | case TARGET_NR_madvise: |
24836689 | 11487 | /* A straight passthrough may not be safe because qemu sometimes |
d2d6b857 | 11488 | turns private file-backed mappings into anonymous mappings. |
24836689 PB |
11489 | This will break MADV_DONTNEED. |
11490 | This is a hint, so ignoring and returning success is ok. */ | |
72eb7ea8 | 11491 | return 0; |
ffa65c3b | 11492 | #endif |
bbf5f2a1 | 11493 | #ifdef TARGET_NR_fcntl64 |
31e31b8a | 11494 | case TARGET_NR_fcntl64: |
77e4672d | 11495 | { |
bbf5f2a1 AB |
11496 | int cmd; |
11497 | struct flock64 fl; | |
213d3e9e PM |
11498 | from_flock64_fn *copyfrom = copy_from_user_flock64; |
11499 | to_flock64_fn *copyto = copy_to_user_flock64; | |
11500 | ||
ce4defa0 | 11501 | #ifdef TARGET_ARM |
7f254c5c LV |
11502 | if (!((CPUARMState *)cpu_env)->eabi) { |
11503 | copyfrom = copy_from_user_oabi_flock64; | |
11504 | copyto = copy_to_user_oabi_flock64; | |
213d3e9e | 11505 | } |
ce4defa0 | 11506 | #endif |
77e4672d | 11507 | |
bbf5f2a1 | 11508 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 | 11509 | if (cmd == -TARGET_EINVAL) { |
72eb7ea8 | 11510 | return cmd; |
31b63193 | 11511 | } |
b1e341eb | 11512 | |
60cd49d5 | 11513 | switch(arg2) { |
b1e341eb | 11514 | case TARGET_F_GETLK64: |
213d3e9e PM |
11515 | ret = copyfrom(&fl, arg3); |
11516 | if (ret) { | |
11517 | break; | |
5813427b | 11518 | } |
af8ab2bf | 11519 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
213d3e9e PM |
11520 | if (ret == 0) { |
11521 | ret = copyto(arg3, &fl); | |
11522 | } | |
77e4672d FB |
11523 | break; |
11524 | ||
b1e341eb TS |
11525 | case TARGET_F_SETLK64: |
11526 | case TARGET_F_SETLKW64: | |
213d3e9e PM |
11527 | ret = copyfrom(&fl, arg3); |
11528 | if (ret) { | |
11529 | break; | |
ce4defa0 | 11530 | } |
435da5e7 | 11531 | ret = get_errno(safe_fcntl(arg1, cmd, &fl)); |
77e4672d | 11532 | break; |
60cd49d5 | 11533 | default: |
5f106811 | 11534 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
11535 | break; |
11536 | } | |
72eb7ea8 | 11537 | return ret; |
77e4672d | 11538 | } |
60cd49d5 | 11539 | #endif |
7d600c80 TS |
11540 | #ifdef TARGET_NR_cacheflush |
11541 | case TARGET_NR_cacheflush: | |
11542 | /* self-modifying code is handled automatically, so nothing needed */ | |
72eb7ea8 | 11543 | return 0; |
7d600c80 | 11544 | #endif |
c573ff67 FB |
11545 | #ifdef TARGET_NR_getpagesize |
11546 | case TARGET_NR_getpagesize: | |
72eb7ea8 | 11547 | return TARGET_PAGE_SIZE; |
ebc05488 | 11548 | #endif |
31e31b8a | 11549 | case TARGET_NR_gettid: |
71ba74f6 | 11550 | return get_errno(sys_gettid()); |
e5febef5 | 11551 | #ifdef TARGET_NR_readahead |
31e31b8a | 11552 | case TARGET_NR_readahead: |
2054ac9b | 11553 | #if TARGET_ABI_BITS == 32 |
8bf8e9df | 11554 | if (regpairs_aligned(cpu_env, num)) { |
2054ac9b AJ |
11555 | arg2 = arg3; |
11556 | arg3 = arg4; | |
11557 | arg4 = arg5; | |
11558 | } | |
77c6850f | 11559 | ret = get_errno(readahead(arg1, target_offset64(arg2, arg3) , arg4)); |
2054ac9b AJ |
11560 | #else |
11561 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
11562 | #endif | |
72eb7ea8 | 11563 | return ret; |
e5febef5 | 11564 | #endif |
a790ae38 | 11565 | #ifdef CONFIG_ATTR |
ebc05488 | 11566 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
11567 | case TARGET_NR_listxattr: |
11568 | case TARGET_NR_llistxattr: | |
fb5590f7 PM |
11569 | { |
11570 | void *p, *b = 0; | |
11571 | if (arg2) { | |
11572 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
11573 | if (!b) { | |
72eb7ea8 | 11574 | return -TARGET_EFAULT; |
fb5590f7 PM |
11575 | } |
11576 | } | |
11577 | p = lock_user_string(arg1); | |
11578 | if (p) { | |
11579 | if (num == TARGET_NR_listxattr) { | |
11580 | ret = get_errno(listxattr(p, b, arg3)); | |
11581 | } else { | |
11582 | ret = get_errno(llistxattr(p, b, arg3)); | |
11583 | } | |
11584 | } else { | |
11585 | ret = -TARGET_EFAULT; | |
11586 | } | |
11587 | unlock_user(p, arg1, 0); | |
11588 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 11589 | return ret; |
fb5590f7 | 11590 | } |
31e31b8a | 11591 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
11592 | { |
11593 | void *b = 0; | |
11594 | if (arg2) { | |
11595 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
11596 | if (!b) { | |
72eb7ea8 | 11597 | return -TARGET_EFAULT; |
fb5590f7 PM |
11598 | } |
11599 | } | |
11600 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
11601 | unlock_user(b, arg2, arg3); | |
72eb7ea8 | 11602 | return ret; |
fb5590f7 | 11603 | } |
a790ae38 | 11604 | case TARGET_NR_setxattr: |
30297b55 | 11605 | case TARGET_NR_lsetxattr: |
a790ae38 | 11606 | { |
e3c33ec6 PM |
11607 | void *p, *n, *v = 0; |
11608 | if (arg3) { | |
11609 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
11610 | if (!v) { | |
72eb7ea8 | 11611 | return -TARGET_EFAULT; |
e3c33ec6 PM |
11612 | } |
11613 | } | |
a790ae38 ACH |
11614 | p = lock_user_string(arg1); |
11615 | n = lock_user_string(arg2); | |
e3c33ec6 | 11616 | if (p && n) { |
30297b55 PM |
11617 | if (num == TARGET_NR_setxattr) { |
11618 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
11619 | } else { | |
11620 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
11621 | } | |
a790ae38 ACH |
11622 | } else { |
11623 | ret = -TARGET_EFAULT; | |
11624 | } | |
11625 | unlock_user(p, arg1, 0); | |
11626 | unlock_user(n, arg2, 0); | |
11627 | unlock_user(v, arg3, 0); | |
11628 | } | |
72eb7ea8 | 11629 | return ret; |
30297b55 PM |
11630 | case TARGET_NR_fsetxattr: |
11631 | { | |
11632 | void *n, *v = 0; | |
11633 | if (arg3) { | |
11634 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
11635 | if (!v) { | |
72eb7ea8 | 11636 | return -TARGET_EFAULT; |
30297b55 PM |
11637 | } |
11638 | } | |
11639 | n = lock_user_string(arg2); | |
11640 | if (n) { | |
11641 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
11642 | } else { | |
11643 | ret = -TARGET_EFAULT; | |
11644 | } | |
11645 | unlock_user(n, arg2, 0); | |
11646 | unlock_user(v, arg3, 0); | |
11647 | } | |
72eb7ea8 | 11648 | return ret; |
a790ae38 | 11649 | case TARGET_NR_getxattr: |
30297b55 | 11650 | case TARGET_NR_lgetxattr: |
a790ae38 | 11651 | { |
e3c33ec6 PM |
11652 | void *p, *n, *v = 0; |
11653 | if (arg3) { | |
11654 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
11655 | if (!v) { | |
72eb7ea8 | 11656 | return -TARGET_EFAULT; |
e3c33ec6 PM |
11657 | } |
11658 | } | |
a790ae38 ACH |
11659 | p = lock_user_string(arg1); |
11660 | n = lock_user_string(arg2); | |
e3c33ec6 | 11661 | if (p && n) { |
30297b55 PM |
11662 | if (num == TARGET_NR_getxattr) { |
11663 | ret = get_errno(getxattr(p, n, v, arg4)); | |
11664 | } else { | |
11665 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
11666 | } | |
a790ae38 ACH |
11667 | } else { |
11668 | ret = -TARGET_EFAULT; | |
11669 | } | |
11670 | unlock_user(p, arg1, 0); | |
11671 | unlock_user(n, arg2, 0); | |
11672 | unlock_user(v, arg3, arg4); | |
11673 | } | |
72eb7ea8 | 11674 | return ret; |
30297b55 PM |
11675 | case TARGET_NR_fgetxattr: |
11676 | { | |
11677 | void *n, *v = 0; | |
11678 | if (arg3) { | |
11679 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
11680 | if (!v) { | |
72eb7ea8 | 11681 | return -TARGET_EFAULT; |
30297b55 PM |
11682 | } |
11683 | } | |
11684 | n = lock_user_string(arg2); | |
11685 | if (n) { | |
11686 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
11687 | } else { | |
11688 | ret = -TARGET_EFAULT; | |
11689 | } | |
11690 | unlock_user(n, arg2, 0); | |
11691 | unlock_user(v, arg3, arg4); | |
11692 | } | |
72eb7ea8 | 11693 | return ret; |
a790ae38 | 11694 | case TARGET_NR_removexattr: |
30297b55 | 11695 | case TARGET_NR_lremovexattr: |
a790ae38 ACH |
11696 | { |
11697 | void *p, *n; | |
11698 | p = lock_user_string(arg1); | |
11699 | n = lock_user_string(arg2); | |
11700 | if (p && n) { | |
30297b55 PM |
11701 | if (num == TARGET_NR_removexattr) { |
11702 | ret = get_errno(removexattr(p, n)); | |
11703 | } else { | |
11704 | ret = get_errno(lremovexattr(p, n)); | |
11705 | } | |
a790ae38 ACH |
11706 | } else { |
11707 | ret = -TARGET_EFAULT; | |
11708 | } | |
11709 | unlock_user(p, arg1, 0); | |
11710 | unlock_user(n, arg2, 0); | |
11711 | } | |
72eb7ea8 | 11712 | return ret; |
30297b55 PM |
11713 | case TARGET_NR_fremovexattr: |
11714 | { | |
11715 | void *n; | |
11716 | n = lock_user_string(arg2); | |
11717 | if (n) { | |
11718 | ret = get_errno(fremovexattr(arg1, n)); | |
11719 | } else { | |
11720 | ret = -TARGET_EFAULT; | |
11721 | } | |
11722 | unlock_user(n, arg2, 0); | |
11723 | } | |
72eb7ea8 | 11724 | return ret; |
ebc05488 | 11725 | #endif |
a790ae38 | 11726 | #endif /* CONFIG_ATTR */ |
ebc05488 | 11727 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 11728 | case TARGET_NR_set_thread_area: |
8d18e893 | 11729 | #if defined(TARGET_MIPS) |
d279279e | 11730 | ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1; |
72eb7ea8 | 11731 | return 0; |
ef96779b EI |
11732 | #elif defined(TARGET_CRIS) |
11733 | if (arg1 & 0xff) | |
11734 | ret = -TARGET_EINVAL; | |
11735 | else { | |
11736 | ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; | |
11737 | ret = 0; | |
11738 | } | |
72eb7ea8 | 11739 | return ret; |
8d18e893 | 11740 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 11741 | return do_set_thread_area(cpu_env, arg1); |
1ccd9374 PM |
11742 | #elif defined(TARGET_M68K) |
11743 | { | |
0429a971 | 11744 | TaskState *ts = cpu->opaque; |
1ccd9374 | 11745 | ts->tp_value = arg1; |
72eb7ea8 | 11746 | return 0; |
1ccd9374 | 11747 | } |
6f5b89a0 | 11748 | #else |
10f45d98 | 11749 | return -TARGET_ENOSYS; |
6f5b89a0 TS |
11750 | #endif |
11751 | #endif | |
11752 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 11753 | case TARGET_NR_get_thread_area: |
8d18e893 | 11754 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
72eb7ea8 | 11755 | return do_get_thread_area(cpu_env, arg1); |
1ccd9374 PM |
11756 | #elif defined(TARGET_M68K) |
11757 | { | |
0429a971 | 11758 | TaskState *ts = cpu->opaque; |
72eb7ea8 | 11759 | return ts->tp_value; |
1ccd9374 | 11760 | } |
8d18e893 | 11761 | #else |
10f45d98 | 11762 | return -TARGET_ENOSYS; |
48dc41eb | 11763 | #endif |
8d18e893 | 11764 | #endif |
48dc41eb FB |
11765 | #ifdef TARGET_NR_getdomainname |
11766 | case TARGET_NR_getdomainname: | |
10f45d98 | 11767 | return -TARGET_ENOSYS; |
ebc05488 | 11768 | #endif |
6f5b89a0 | 11769 | |
12e3340c MF |
11770 | #ifdef TARGET_NR_clock_settime |
11771 | case TARGET_NR_clock_settime: | |
11772 | { | |
11773 | struct timespec ts; | |
11774 | ||
11775 | ret = target_to_host_timespec(&ts, arg2); | |
11776 | if (!is_error(ret)) { | |
11777 | ret = get_errno(clock_settime(arg1, &ts)); | |
11778 | } | |
72eb7ea8 | 11779 | return ret; |
12e3340c MF |
11780 | } |
11781 | #endif | |
c6c8d102 AF |
11782 | #ifdef TARGET_NR_clock_settime64 |
11783 | case TARGET_NR_clock_settime64: | |
11784 | { | |
11785 | struct timespec ts; | |
11786 | ||
11787 | ret = target_to_host_timespec64(&ts, arg2); | |
11788 | if (!is_error(ret)) { | |
11789 | ret = get_errno(clock_settime(arg1, &ts)); | |
11790 | } | |
11791 | return ret; | |
11792 | } | |
11793 | #endif | |
b5906f95 TS |
11794 | #ifdef TARGET_NR_clock_gettime |
11795 | case TARGET_NR_clock_gettime: | |
11796 | { | |
11797 | struct timespec ts; | |
11798 | ret = get_errno(clock_gettime(arg1, &ts)); | |
11799 | if (!is_error(ret)) { | |
b9f9908e | 11800 | ret = host_to_target_timespec(arg2, &ts); |
b5906f95 | 11801 | } |
72eb7ea8 | 11802 | return ret; |
b5906f95 TS |
11803 | } |
11804 | #endif | |
c6c8d102 AF |
11805 | #ifdef TARGET_NR_clock_gettime64 |
11806 | case TARGET_NR_clock_gettime64: | |
11807 | { | |
11808 | struct timespec ts; | |
11809 | ret = get_errno(clock_gettime(arg1, &ts)); | |
11810 | if (!is_error(ret)) { | |
11811 | ret = host_to_target_timespec64(arg2, &ts); | |
11812 | } | |
11813 | return ret; | |
11814 | } | |
11815 | #endif | |
b5906f95 TS |
11816 | #ifdef TARGET_NR_clock_getres |
11817 | case TARGET_NR_clock_getres: | |
11818 | { | |
11819 | struct timespec ts; | |
11820 | ret = get_errno(clock_getres(arg1, &ts)); | |
11821 | if (!is_error(ret)) { | |
11822 | host_to_target_timespec(arg2, &ts); | |
11823 | } | |
72eb7ea8 | 11824 | return ret; |
b5906f95 TS |
11825 | } |
11826 | #endif | |
63d7651b PB |
11827 | #ifdef TARGET_NR_clock_nanosleep |
11828 | case TARGET_NR_clock_nanosleep: | |
11829 | { | |
11830 | struct timespec ts; | |
11831 | target_to_host_timespec(&ts, arg3); | |
9e518226 PM |
11832 | ret = get_errno(safe_clock_nanosleep(arg1, arg2, |
11833 | &ts, arg4 ? &ts : NULL)); | |
63d7651b PB |
11834 | if (arg4) |
11835 | host_to_target_timespec(arg4, &ts); | |
8fbe8fdf TM |
11836 | |
11837 | #if defined(TARGET_PPC) | |
11838 | /* clock_nanosleep is odd in that it returns positive errno values. | |
11839 | * On PPC, CR0 bit 3 should be set in such a situation. */ | |
9e518226 | 11840 | if (ret && ret != -TARGET_ERESTARTSYS) { |
8fbe8fdf TM |
11841 | ((CPUPPCState *)cpu_env)->crf[0] |= 1; |
11842 | } | |
11843 | #endif | |
72eb7ea8 | 11844 | return ret; |
63d7651b PB |
11845 | } |
11846 | #endif | |
b5906f95 | 11847 | |
6f5b89a0 TS |
11848 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
11849 | case TARGET_NR_set_tid_address: | |
72eb7ea8 | 11850 | return get_errno(set_tid_address((int *)g2h(arg1))); |
6f5b89a0 TS |
11851 | #endif |
11852 | ||
4cae1d16 | 11853 | case TARGET_NR_tkill: |
72eb7ea8 | 11854 | return get_errno(safe_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 | 11855 | |
71455574 | 11856 | case TARGET_NR_tgkill: |
72eb7ea8 RH |
11857 | return get_errno(safe_tgkill((int)arg1, (int)arg2, |
11858 | target_to_host_signal(arg3))); | |
71455574 | 11859 | |
4f2b1fe8 TS |
11860 | #ifdef TARGET_NR_set_robust_list |
11861 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
11862 | case TARGET_NR_get_robust_list: |
11863 | /* The ABI for supporting robust futexes has userspace pass | |
11864 | * the kernel a pointer to a linked list which is updated by | |
11865 | * userspace after the syscall; the list is walked by the kernel | |
11866 | * when the thread exits. Since the linked list in QEMU guest | |
11867 | * memory isn't a valid linked list for the host and we have | |
11868 | * no way to reliably intercept the thread-death event, we can't | |
11869 | * support these. Silently return ENOSYS so that guest userspace | |
11870 | * falls back to a non-robust futex implementation (which should | |
11871 | * be OK except in the corner case of the guest crashing while | |
11872 | * holding a mutex that is shared with another process via | |
11873 | * shared memory). | |
11874 | */ | |
10f45d98 | 11875 | return -TARGET_ENOSYS; |
4f2b1fe8 TS |
11876 | #endif |
11877 | ||
1acae9f2 | 11878 | #if defined(TARGET_NR_utimensat) |
9007f0ef TS |
11879 | case TARGET_NR_utimensat: |
11880 | { | |
ebc996f3 RV |
11881 | struct timespec *tsp, ts[2]; |
11882 | if (!arg3) { | |
11883 | tsp = NULL; | |
11884 | } else { | |
11885 | target_to_host_timespec(ts, arg3); | |
11886 | target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); | |
11887 | tsp = ts; | |
11888 | } | |
9007f0ef | 11889 | if (!arg2) |
ebc996f3 | 11890 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 11891 | else { |
579a97f7 | 11892 | if (!(p = lock_user_string(arg2))) { |
259841c1 | 11893 | return -TARGET_EFAULT; |
579a97f7 | 11894 | } |
ebc996f3 | 11895 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 11896 | unlock_user(p, arg2, 0); |
9007f0ef TS |
11897 | } |
11898 | } | |
72eb7ea8 | 11899 | return ret; |
9007f0ef | 11900 | #endif |
859e8a89 | 11901 | #ifdef TARGET_NR_futex |
bd0c5661 | 11902 | case TARGET_NR_futex: |
72eb7ea8 | 11903 | return do_futex(arg1, arg2, arg3, arg4, arg5, arg6); |
859e8a89 | 11904 | #endif |
14690296 AF |
11905 | #ifdef TARGET_NR_futex_time64 |
11906 | case TARGET_NR_futex_time64: | |
11907 | return do_futex_time64(arg1, arg2, arg3, arg4, arg5, arg6); | |
11908 | #endif | |
dbfe4c36 | 11909 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
39b59763 AJ |
11910 | case TARGET_NR_inotify_init: |
11911 | ret = get_errno(sys_inotify_init()); | |
b929f7e5 PMD |
11912 | if (ret >= 0) { |
11913 | fd_trans_register(ret, &target_inotify_trans); | |
11914 | } | |
72eb7ea8 | 11915 | return ret; |
39b59763 | 11916 | #endif |
a1606b0b | 11917 | #ifdef CONFIG_INOTIFY1 |
c05c7a73 RV |
11918 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) |
11919 | case TARGET_NR_inotify_init1: | |
fea243e9 LD |
11920 | ret = get_errno(sys_inotify_init1(target_to_host_bitmask(arg1, |
11921 | fcntl_flags_tbl))); | |
b929f7e5 PMD |
11922 | if (ret >= 0) { |
11923 | fd_trans_register(ret, &target_inotify_trans); | |
11924 | } | |
72eb7ea8 | 11925 | return ret; |
c05c7a73 | 11926 | #endif |
a1606b0b | 11927 | #endif |
dbfe4c36 | 11928 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) |
39b59763 AJ |
11929 | case TARGET_NR_inotify_add_watch: |
11930 | p = lock_user_string(arg2); | |
11931 | ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); | |
11932 | unlock_user(p, arg2, 0); | |
72eb7ea8 | 11933 | return ret; |
39b59763 | 11934 | #endif |
dbfe4c36 | 11935 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) |
39b59763 | 11936 | case TARGET_NR_inotify_rm_watch: |
72eb7ea8 | 11937 | return get_errno(sys_inotify_rm_watch(arg1, arg2)); |
39b59763 | 11938 | #endif |
9007f0ef | 11939 | |
8ec9cf89 | 11940 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
11941 | case TARGET_NR_mq_open: |
11942 | { | |
c7536ab6 | 11943 | struct mq_attr posix_mq_attr; |
26400775 | 11944 | struct mq_attr *pposix_mq_attr; |
c7536ab6 | 11945 | int host_flags; |
24e1003a | 11946 | |
c7536ab6 | 11947 | host_flags = target_to_host_bitmask(arg2, fcntl_flags_tbl); |
26400775 LD |
11948 | pposix_mq_attr = NULL; |
11949 | if (arg4) { | |
11950 | if (copy_from_user_mq_attr(&posix_mq_attr, arg4) != 0) { | |
2852aafd | 11951 | return -TARGET_EFAULT; |
26400775 LD |
11952 | } |
11953 | pposix_mq_attr = &posix_mq_attr; | |
c7536ab6 | 11954 | } |
24e1003a | 11955 | p = lock_user_string(arg1 - 1); |
c7536ab6 | 11956 | if (!p) { |
2852aafd | 11957 | return -TARGET_EFAULT; |
b6ce1f6b | 11958 | } |
26400775 | 11959 | ret = get_errno(mq_open(p, host_flags, arg3, pposix_mq_attr)); |
24e1003a AJ |
11960 | unlock_user (p, arg1, 0); |
11961 | } | |
72eb7ea8 | 11962 | return ret; |
24e1003a AJ |
11963 | |
11964 | case TARGET_NR_mq_unlink: | |
11965 | p = lock_user_string(arg1 - 1); | |
3211215e | 11966 | if (!p) { |
72eb7ea8 | 11967 | return -TARGET_EFAULT; |
3211215e | 11968 | } |
24e1003a AJ |
11969 | ret = get_errno(mq_unlink(p)); |
11970 | unlock_user (p, arg1, 0); | |
72eb7ea8 | 11971 | return ret; |
24e1003a | 11972 | |
859e8a89 | 11973 | #ifdef TARGET_NR_mq_timedsend |
24e1003a AJ |
11974 | case TARGET_NR_mq_timedsend: |
11975 | { | |
11976 | struct timespec ts; | |
11977 | ||
11978 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
11979 | if (arg5 != 0) { | |
11980 | target_to_host_timespec(&ts, arg5); | |
d40ecd66 | 11981 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, &ts)); |
24e1003a | 11982 | host_to_target_timespec(arg5, &ts); |
d40ecd66 PM |
11983 | } else { |
11984 | ret = get_errno(safe_mq_timedsend(arg1, p, arg3, arg4, NULL)); | |
24e1003a | 11985 | } |
24e1003a AJ |
11986 | unlock_user (p, arg2, arg3); |
11987 | } | |
72eb7ea8 | 11988 | return ret; |
859e8a89 | 11989 | #endif |
24e1003a | 11990 | |
859e8a89 | 11991 | #ifdef TARGET_NR_mq_timedreceive |
24e1003a AJ |
11992 | case TARGET_NR_mq_timedreceive: |
11993 | { | |
11994 | struct timespec ts; | |
11995 | unsigned int prio; | |
11996 | ||
11997 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
11998 | if (arg5 != 0) { | |
11999 | target_to_host_timespec(&ts, arg5); | |
d40ecd66 PM |
12000 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, |
12001 | &prio, &ts)); | |
24e1003a | 12002 | host_to_target_timespec(arg5, &ts); |
d40ecd66 PM |
12003 | } else { |
12004 | ret = get_errno(safe_mq_timedreceive(arg1, p, arg3, | |
12005 | &prio, NULL)); | |
24e1003a | 12006 | } |
24e1003a AJ |
12007 | unlock_user (p, arg2, arg3); |
12008 | if (arg4 != 0) | |
12009 | put_user_u32(prio, arg4); | |
12010 | } | |
72eb7ea8 | 12011 | return ret; |
859e8a89 | 12012 | #endif |
24e1003a AJ |
12013 | |
12014 | /* Not implemented for now... */ | |
12015 | /* case TARGET_NR_mq_notify: */ | |
12016 | /* break; */ | |
12017 | ||
12018 | case TARGET_NR_mq_getsetattr: | |
12019 | { | |
12020 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
12021 | ret = 0; | |
24e1003a AJ |
12022 | if (arg2 != 0) { |
12023 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
a23ea409 MF |
12024 | ret = get_errno(mq_setattr(arg1, &posix_mq_attr_in, |
12025 | &posix_mq_attr_out)); | |
12026 | } else if (arg3 != 0) { | |
12027 | ret = get_errno(mq_getattr(arg1, &posix_mq_attr_out)); | |
12028 | } | |
12029 | if (ret == 0 && arg3 != 0) { | |
12030 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
24e1003a | 12031 | } |
24e1003a | 12032 | } |
72eb7ea8 | 12033 | return ret; |
24e1003a AJ |
12034 | #endif |
12035 | ||
3ce34dfb VS |
12036 | #ifdef CONFIG_SPLICE |
12037 | #ifdef TARGET_NR_tee | |
12038 | case TARGET_NR_tee: | |
12039 | { | |
12040 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
12041 | } | |
72eb7ea8 | 12042 | return ret; |
3ce34dfb VS |
12043 | #endif |
12044 | #ifdef TARGET_NR_splice | |
12045 | case TARGET_NR_splice: | |
12046 | { | |
12047 | loff_t loff_in, loff_out; | |
12048 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
17644b36 AS |
12049 | if (arg2) { |
12050 | if (get_user_u64(loff_in, arg2)) { | |
2852aafd | 12051 | return -TARGET_EFAULT; |
17644b36 | 12052 | } |
3ce34dfb VS |
12053 | ploff_in = &loff_in; |
12054 | } | |
17644b36 AS |
12055 | if (arg4) { |
12056 | if (get_user_u64(loff_out, arg4)) { | |
2852aafd | 12057 | return -TARGET_EFAULT; |
17644b36 | 12058 | } |
3ce34dfb VS |
12059 | ploff_out = &loff_out; |
12060 | } | |
12061 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
17644b36 AS |
12062 | if (arg2) { |
12063 | if (put_user_u64(loff_in, arg2)) { | |
2852aafd | 12064 | return -TARGET_EFAULT; |
17644b36 AS |
12065 | } |
12066 | } | |
12067 | if (arg4) { | |
12068 | if (put_user_u64(loff_out, arg4)) { | |
2852aafd | 12069 | return -TARGET_EFAULT; |
17644b36 AS |
12070 | } |
12071 | } | |
3ce34dfb | 12072 | } |
72eb7ea8 | 12073 | return ret; |
3ce34dfb VS |
12074 | #endif |
12075 | #ifdef TARGET_NR_vmsplice | |
12076 | case TARGET_NR_vmsplice: | |
12077 | { | |
f287b2c2 RH |
12078 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
12079 | if (vec != NULL) { | |
12080 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
12081 | unlock_iovec(vec, arg2, arg3, 0); | |
12082 | } else { | |
12083 | ret = -host_to_target_errno(errno); | |
12084 | } | |
3ce34dfb | 12085 | } |
72eb7ea8 | 12086 | return ret; |
3ce34dfb VS |
12087 | #endif |
12088 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
12089 | #ifdef CONFIG_EVENTFD |
12090 | #if defined(TARGET_NR_eventfd) | |
12091 | case TARGET_NR_eventfd: | |
12092 | ret = get_errno(eventfd(arg1, 0)); | |
b929f7e5 PMD |
12093 | if (ret >= 0) { |
12094 | fd_trans_register(ret, &target_eventfd_trans); | |
12095 | } | |
72eb7ea8 | 12096 | return ret; |
c2882b96 RV |
12097 | #endif |
12098 | #if defined(TARGET_NR_eventfd2) | |
12099 | case TARGET_NR_eventfd2: | |
5947c697 PJ |
12100 | { |
12101 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)); | |
12102 | if (arg2 & TARGET_O_NONBLOCK) { | |
12103 | host_flags |= O_NONBLOCK; | |
12104 | } | |
12105 | if (arg2 & TARGET_O_CLOEXEC) { | |
12106 | host_flags |= O_CLOEXEC; | |
12107 | } | |
12108 | ret = get_errno(eventfd(arg1, host_flags)); | |
b929f7e5 PMD |
12109 | if (ret >= 0) { |
12110 | fd_trans_register(ret, &target_eventfd_trans); | |
12111 | } | |
72eb7ea8 | 12112 | return ret; |
5947c697 | 12113 | } |
c2882b96 RV |
12114 | #endif |
12115 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
12116 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
12117 | case TARGET_NR_fallocate: | |
20249ae1 AG |
12118 | #if TARGET_ABI_BITS == 32 |
12119 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), | |
12120 | target_offset64(arg5, arg6))); | |
12121 | #else | |
d0927938 | 12122 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 12123 | #endif |
72eb7ea8 | 12124 | return ret; |
c727f47d PM |
12125 | #endif |
12126 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
12127 | #if defined(TARGET_NR_sync_file_range) | |
12128 | case TARGET_NR_sync_file_range: | |
12129 | #if TARGET_ABI_BITS == 32 | |
bfcedc57 RV |
12130 | #if defined(TARGET_MIPS) |
12131 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
12132 | target_offset64(arg5, arg6), arg7)); | |
12133 | #else | |
c727f47d PM |
12134 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
12135 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 12136 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
12137 | #else |
12138 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
12139 | #endif | |
72eb7ea8 | 12140 | return ret; |
c727f47d | 12141 | #endif |
5bcb4986 LV |
12142 | #if defined(TARGET_NR_sync_file_range2) || \ |
12143 | defined(TARGET_NR_arm_sync_file_range) | |
c727f47d PM |
12144 | #if defined(TARGET_NR_sync_file_range2) |
12145 | case TARGET_NR_sync_file_range2: | |
5bcb4986 LV |
12146 | #endif |
12147 | #if defined(TARGET_NR_arm_sync_file_range) | |
12148 | case TARGET_NR_arm_sync_file_range: | |
12149 | #endif | |
c727f47d PM |
12150 | /* This is like sync_file_range but the arguments are reordered */ |
12151 | #if TARGET_ABI_BITS == 32 | |
12152 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
12153 | target_offset64(arg5, arg6), arg2)); | |
12154 | #else | |
12155 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
12156 | #endif | |
72eb7ea8 | 12157 | return ret; |
c727f47d | 12158 | #endif |
3b6edd16 | 12159 | #endif |
e36800c9 LV |
12160 | #if defined(TARGET_NR_signalfd4) |
12161 | case TARGET_NR_signalfd4: | |
72eb7ea8 | 12162 | return do_signalfd4(arg1, arg2, arg4); |
e36800c9 LV |
12163 | #endif |
12164 | #if defined(TARGET_NR_signalfd) | |
12165 | case TARGET_NR_signalfd: | |
72eb7ea8 | 12166 | return do_signalfd4(arg1, arg2, 0); |
e36800c9 | 12167 | #endif |
3b6edd16 PM |
12168 | #if defined(CONFIG_EPOLL) |
12169 | #if defined(TARGET_NR_epoll_create) | |
12170 | case TARGET_NR_epoll_create: | |
72eb7ea8 | 12171 | return get_errno(epoll_create(arg1)); |
3b6edd16 PM |
12172 | #endif |
12173 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
12174 | case TARGET_NR_epoll_create1: | |
386d3865 | 12175 | return get_errno(epoll_create1(target_to_host_bitmask(arg1, fcntl_flags_tbl))); |
3b6edd16 PM |
12176 | #endif |
12177 | #if defined(TARGET_NR_epoll_ctl) | |
12178 | case TARGET_NR_epoll_ctl: | |
12179 | { | |
12180 | struct epoll_event ep; | |
12181 | struct epoll_event *epp = 0; | |
12182 | if (arg4) { | |
12183 | struct target_epoll_event *target_ep; | |
12184 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
2852aafd | 12185 | return -TARGET_EFAULT; |
3b6edd16 PM |
12186 | } |
12187 | ep.events = tswap32(target_ep->events); | |
12188 | /* The epoll_data_t union is just opaque data to the kernel, | |
12189 | * so we transfer all 64 bits across and need not worry what | |
12190 | * actual data type it is. | |
12191 | */ | |
12192 | ep.data.u64 = tswap64(target_ep->data.u64); | |
12193 | unlock_user_struct(target_ep, arg4, 0); | |
12194 | epp = &ep; | |
12195 | } | |
72eb7ea8 | 12196 | return get_errno(epoll_ctl(arg1, arg2, arg3, epp)); |
3b6edd16 PM |
12197 | } |
12198 | #endif | |
12199 | ||
227f0214 | 12200 | #if defined(TARGET_NR_epoll_wait) || defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
12201 | #if defined(TARGET_NR_epoll_wait) |
12202 | case TARGET_NR_epoll_wait: | |
12203 | #endif | |
227f0214 | 12204 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
12205 | case TARGET_NR_epoll_pwait: |
12206 | #endif | |
12207 | { | |
12208 | struct target_epoll_event *target_ep; | |
12209 | struct epoll_event *ep; | |
12210 | int epfd = arg1; | |
12211 | int maxevents = arg3; | |
12212 | int timeout = arg4; | |
12213 | ||
2ba7fae3 | 12214 | if (maxevents <= 0 || maxevents > TARGET_EP_MAX_EVENTS) { |
72eb7ea8 | 12215 | return -TARGET_EINVAL; |
2ba7fae3 PM |
12216 | } |
12217 | ||
3b6edd16 PM |
12218 | target_ep = lock_user(VERIFY_WRITE, arg2, |
12219 | maxevents * sizeof(struct target_epoll_event), 1); | |
12220 | if (!target_ep) { | |
2852aafd | 12221 | return -TARGET_EFAULT; |
3b6edd16 PM |
12222 | } |
12223 | ||
04c95f4d PM |
12224 | ep = g_try_new(struct epoll_event, maxevents); |
12225 | if (!ep) { | |
12226 | unlock_user(target_ep, arg2, 0); | |
72eb7ea8 | 12227 | return -TARGET_ENOMEM; |
04c95f4d | 12228 | } |
3b6edd16 PM |
12229 | |
12230 | switch (num) { | |
227f0214 | 12231 | #if defined(TARGET_NR_epoll_pwait) |
3b6edd16 PM |
12232 | case TARGET_NR_epoll_pwait: |
12233 | { | |
12234 | target_sigset_t *target_set; | |
12235 | sigset_t _set, *set = &_set; | |
12236 | ||
12237 | if (arg5) { | |
c815701e PM |
12238 | if (arg6 != sizeof(target_sigset_t)) { |
12239 | ret = -TARGET_EINVAL; | |
12240 | break; | |
12241 | } | |
12242 | ||
3b6edd16 PM |
12243 | target_set = lock_user(VERIFY_READ, arg5, |
12244 | sizeof(target_sigset_t), 1); | |
12245 | if (!target_set) { | |
04c95f4d PM |
12246 | ret = -TARGET_EFAULT; |
12247 | break; | |
3b6edd16 PM |
12248 | } |
12249 | target_to_host_sigset(set, target_set); | |
12250 | unlock_user(target_set, arg5, 0); | |
12251 | } else { | |
12252 | set = NULL; | |
12253 | } | |
12254 | ||
227f0214 PM |
12255 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
12256 | set, SIGSET_T_SIZE)); | |
3b6edd16 PM |
12257 | break; |
12258 | } | |
12259 | #endif | |
12260 | #if defined(TARGET_NR_epoll_wait) | |
12261 | case TARGET_NR_epoll_wait: | |
227f0214 PM |
12262 | ret = get_errno(safe_epoll_pwait(epfd, ep, maxevents, timeout, |
12263 | NULL, 0)); | |
3b6edd16 PM |
12264 | break; |
12265 | #endif | |
12266 | default: | |
12267 | ret = -TARGET_ENOSYS; | |
12268 | } | |
12269 | if (!is_error(ret)) { | |
12270 | int i; | |
12271 | for (i = 0; i < ret; i++) { | |
12272 | target_ep[i].events = tswap32(ep[i].events); | |
12273 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
12274 | } | |
04c95f4d PM |
12275 | unlock_user(target_ep, arg2, |
12276 | ret * sizeof(struct target_epoll_event)); | |
12277 | } else { | |
12278 | unlock_user(target_ep, arg2, 0); | |
3b6edd16 | 12279 | } |
04c95f4d | 12280 | g_free(ep); |
72eb7ea8 | 12281 | return ret; |
3b6edd16 PM |
12282 | } |
12283 | #endif | |
163a05a8 PM |
12284 | #endif |
12285 | #ifdef TARGET_NR_prlimit64 | |
12286 | case TARGET_NR_prlimit64: | |
12287 | { | |
12288 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
12289 | struct target_rlimit64 *target_rnew, *target_rold; | |
12290 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
95018018 | 12291 | int resource = target_to_host_resource(arg2); |
055d92f8 TK |
12292 | |
12293 | if (arg3 && (resource != RLIMIT_AS && | |
12294 | resource != RLIMIT_DATA && | |
12295 | resource != RLIMIT_STACK)) { | |
163a05a8 | 12296 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { |
2852aafd | 12297 | return -TARGET_EFAULT; |
163a05a8 PM |
12298 | } |
12299 | rnew.rlim_cur = tswap64(target_rnew->rlim_cur); | |
12300 | rnew.rlim_max = tswap64(target_rnew->rlim_max); | |
12301 | unlock_user_struct(target_rnew, arg3, 0); | |
12302 | rnewp = &rnew; | |
12303 | } | |
12304 | ||
95018018 | 12305 | ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0)); |
163a05a8 PM |
12306 | if (!is_error(ret) && arg4) { |
12307 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
2852aafd | 12308 | return -TARGET_EFAULT; |
163a05a8 PM |
12309 | } |
12310 | target_rold->rlim_cur = tswap64(rold.rlim_cur); | |
12311 | target_rold->rlim_max = tswap64(rold.rlim_max); | |
12312 | unlock_user_struct(target_rold, arg4, 1); | |
12313 | } | |
72eb7ea8 | 12314 | return ret; |
163a05a8 | 12315 | } |
3d21d29c RH |
12316 | #endif |
12317 | #ifdef TARGET_NR_gethostname | |
12318 | case TARGET_NR_gethostname: | |
12319 | { | |
12320 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
12321 | if (name) { | |
12322 | ret = get_errno(gethostname(name, arg2)); | |
12323 | unlock_user(name, arg1, arg2); | |
12324 | } else { | |
12325 | ret = -TARGET_EFAULT; | |
12326 | } | |
72eb7ea8 | 12327 | return ret; |
3d21d29c | 12328 | } |
89aaf1a6 RV |
12329 | #endif |
12330 | #ifdef TARGET_NR_atomic_cmpxchg_32 | |
12331 | case TARGET_NR_atomic_cmpxchg_32: | |
12332 | { | |
12333 | /* should use start_exclusive from main.c */ | |
12334 | abi_ulong mem_value; | |
12335 | if (get_user_u32(mem_value, arg6)) { | |
12336 | target_siginfo_t info; | |
12337 | info.si_signo = SIGSEGV; | |
12338 | info.si_errno = 0; | |
12339 | info.si_code = TARGET_SEGV_MAPERR; | |
12340 | info._sifields._sigfault._addr = arg6; | |
9d2803f7 PM |
12341 | queue_signal((CPUArchState *)cpu_env, info.si_signo, |
12342 | QEMU_SI_FAULT, &info); | |
89aaf1a6 RV |
12343 | ret = 0xdeadbeef; |
12344 | ||
12345 | } | |
12346 | if (mem_value == arg2) | |
12347 | put_user_u32(arg1, arg6); | |
72eb7ea8 | 12348 | return mem_value; |
89aaf1a6 RV |
12349 | } |
12350 | #endif | |
12351 | #ifdef TARGET_NR_atomic_barrier | |
12352 | case TARGET_NR_atomic_barrier: | |
72eb7ea8 RH |
12353 | /* Like the kernel implementation and the |
12354 | qemu arm barrier, no-op this? */ | |
12355 | return 0; | |
d0927938 | 12356 | #endif |
f4f1e10a ECL |
12357 | |
12358 | #ifdef TARGET_NR_timer_create | |
12359 | case TARGET_NR_timer_create: | |
12360 | { | |
12361 | /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */ | |
12362 | ||
12363 | struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL; | |
f4f1e10a ECL |
12364 | |
12365 | int clkid = arg1; | |
12366 | int timer_index = next_free_host_timer(); | |
12367 | ||
12368 | if (timer_index < 0) { | |
12369 | ret = -TARGET_EAGAIN; | |
12370 | } else { | |
12371 | timer_t *phtimer = g_posix_timers + timer_index; | |
12372 | ||
12373 | if (arg2) { | |
f4f1e10a | 12374 | phost_sevp = &host_sevp; |
c065976f PM |
12375 | ret = target_to_host_sigevent(phost_sevp, arg2); |
12376 | if (ret != 0) { | |
72eb7ea8 | 12377 | return ret; |
c065976f | 12378 | } |
f4f1e10a ECL |
12379 | } |
12380 | ||
12381 | ret = get_errno(timer_create(clkid, phost_sevp, phtimer)); | |
12382 | if (ret) { | |
12383 | phtimer = NULL; | |
12384 | } else { | |
aecc8861 | 12385 | if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { |
2852aafd | 12386 | return -TARGET_EFAULT; |
f4f1e10a | 12387 | } |
f4f1e10a ECL |
12388 | } |
12389 | } | |
72eb7ea8 | 12390 | return ret; |
f4f1e10a ECL |
12391 | } |
12392 | #endif | |
12393 | ||
12394 | #ifdef TARGET_NR_timer_settime | |
12395 | case TARGET_NR_timer_settime: | |
12396 | { | |
12397 | /* args: timer_t timerid, int flags, const struct itimerspec *new_value, | |
12398 | * struct itimerspec * old_value */ | |
aecc8861 | 12399 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12400 | |
aecc8861 AG |
12401 | if (timerid < 0) { |
12402 | ret = timerid; | |
12403 | } else if (arg3 == 0) { | |
f4f1e10a ECL |
12404 | ret = -TARGET_EINVAL; |
12405 | } else { | |
e52a99f7 | 12406 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
12407 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; |
12408 | ||
40c80b5e | 12409 | if (target_to_host_itimerspec(&hspec_new, arg3)) { |
2852aafd | 12410 | return -TARGET_EFAULT; |
40c80b5e | 12411 | } |
f4f1e10a ECL |
12412 | ret = get_errno( |
12413 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
40c80b5e | 12414 | if (arg4 && host_to_target_itimerspec(arg4, &hspec_old)) { |
2852aafd | 12415 | return -TARGET_EFAULT; |
40c80b5e | 12416 | } |
f4f1e10a | 12417 | } |
72eb7ea8 | 12418 | return ret; |
f4f1e10a ECL |
12419 | } |
12420 | #endif | |
12421 | ||
12422 | #ifdef TARGET_NR_timer_gettime | |
12423 | case TARGET_NR_timer_gettime: | |
12424 | { | |
12425 | /* args: timer_t timerid, struct itimerspec *curr_value */ | |
aecc8861 | 12426 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12427 | |
aecc8861 AG |
12428 | if (timerid < 0) { |
12429 | ret = timerid; | |
12430 | } else if (!arg2) { | |
12431 | ret = -TARGET_EFAULT; | |
f4f1e10a | 12432 | } else { |
e52a99f7 | 12433 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
12434 | struct itimerspec hspec; |
12435 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
12436 | ||
12437 | if (host_to_target_itimerspec(arg2, &hspec)) { | |
12438 | ret = -TARGET_EFAULT; | |
12439 | } | |
12440 | } | |
72eb7ea8 | 12441 | return ret; |
f4f1e10a ECL |
12442 | } |
12443 | #endif | |
12444 | ||
12445 | #ifdef TARGET_NR_timer_getoverrun | |
12446 | case TARGET_NR_timer_getoverrun: | |
12447 | { | |
12448 | /* args: timer_t timerid */ | |
aecc8861 | 12449 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12450 | |
aecc8861 AG |
12451 | if (timerid < 0) { |
12452 | ret = timerid; | |
f4f1e10a | 12453 | } else { |
e52a99f7 | 12454 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
12455 | ret = get_errno(timer_getoverrun(htimer)); |
12456 | } | |
72eb7ea8 | 12457 | return ret; |
f4f1e10a ECL |
12458 | } |
12459 | #endif | |
12460 | ||
12461 | #ifdef TARGET_NR_timer_delete | |
12462 | case TARGET_NR_timer_delete: | |
12463 | { | |
12464 | /* args: timer_t timerid */ | |
aecc8861 | 12465 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 12466 | |
aecc8861 AG |
12467 | if (timerid < 0) { |
12468 | ret = timerid; | |
f4f1e10a | 12469 | } else { |
e52a99f7 | 12470 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a | 12471 | ret = get_errno(timer_delete(htimer)); |
e52a99f7 | 12472 | g_posix_timers[timerid] = 0; |
f4f1e10a | 12473 | } |
72eb7ea8 | 12474 | return ret; |
f4f1e10a ECL |
12475 | } |
12476 | #endif | |
12477 | ||
51834341 RV |
12478 | #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) |
12479 | case TARGET_NR_timerfd_create: | |
72eb7ea8 RH |
12480 | return get_errno(timerfd_create(arg1, |
12481 | target_to_host_bitmask(arg2, fcntl_flags_tbl))); | |
51834341 RV |
12482 | #endif |
12483 | ||
12484 | #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) | |
12485 | case TARGET_NR_timerfd_gettime: | |
12486 | { | |
12487 | struct itimerspec its_curr; | |
12488 | ||
12489 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
12490 | ||
12491 | if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { | |
2852aafd | 12492 | return -TARGET_EFAULT; |
51834341 RV |
12493 | } |
12494 | } | |
72eb7ea8 | 12495 | return ret; |
51834341 RV |
12496 | #endif |
12497 | ||
12498 | #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) | |
12499 | case TARGET_NR_timerfd_settime: | |
12500 | { | |
12501 | struct itimerspec its_new, its_old, *p_new; | |
12502 | ||
12503 | if (arg3) { | |
12504 | if (target_to_host_itimerspec(&its_new, arg3)) { | |
2852aafd | 12505 | return -TARGET_EFAULT; |
51834341 RV |
12506 | } |
12507 | p_new = &its_new; | |
12508 | } else { | |
12509 | p_new = NULL; | |
12510 | } | |
12511 | ||
12512 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
12513 | ||
12514 | if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { | |
2852aafd | 12515 | return -TARGET_EFAULT; |
51834341 RV |
12516 | } |
12517 | } | |
72eb7ea8 | 12518 | return ret; |
51834341 RV |
12519 | #endif |
12520 | ||
ab31cda3 PB |
12521 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
12522 | case TARGET_NR_ioprio_get: | |
72eb7ea8 | 12523 | return get_errno(ioprio_get(arg1, arg2)); |
ab31cda3 PB |
12524 | #endif |
12525 | ||
12526 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
12527 | case TARGET_NR_ioprio_set: | |
72eb7ea8 | 12528 | return get_errno(ioprio_set(arg1, arg2, arg3)); |
ab31cda3 PB |
12529 | #endif |
12530 | ||
9af5c906 RV |
12531 | #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) |
12532 | case TARGET_NR_setns: | |
72eb7ea8 | 12533 | return get_errno(setns(arg1, arg2)); |
9af5c906 RV |
12534 | #endif |
12535 | #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) | |
12536 | case TARGET_NR_unshare: | |
72eb7ea8 | 12537 | return get_errno(unshare(arg1)); |
9af5c906 | 12538 | #endif |
2f14788c LV |
12539 | #if defined(TARGET_NR_kcmp) && defined(__NR_kcmp) |
12540 | case TARGET_NR_kcmp: | |
72eb7ea8 | 12541 | return get_errno(kcmp(arg1, arg2, arg3, arg4, arg5)); |
2f14788c | 12542 | #endif |
fa97e38e RH |
12543 | #ifdef TARGET_NR_swapcontext |
12544 | case TARGET_NR_swapcontext: | |
12545 | /* PowerPC specific. */ | |
72eb7ea8 | 12546 | return do_swapcontext(cpu_env, arg1, arg2, arg3); |
fa97e38e | 12547 | #endif |
9bdfa4d2 SCW |
12548 | #ifdef TARGET_NR_memfd_create |
12549 | case TARGET_NR_memfd_create: | |
12550 | p = lock_user_string(arg1); | |
12551 | if (!p) { | |
12552 | return -TARGET_EFAULT; | |
12553 | } | |
12554 | ret = get_errno(memfd_create(p, arg2)); | |
12555 | fd_trans_unregister(ret); | |
12556 | unlock_user(p, arg1, 0); | |
12557 | return ret; | |
12558 | #endif | |
8500476f AS |
12559 | #if defined TARGET_NR_membarrier && defined __NR_membarrier |
12560 | case TARGET_NR_membarrier: | |
12561 | return get_errno(membarrier(arg1, arg2)); | |
12562 | #endif | |
9af5c906 | 12563 | |
31e31b8a | 12564 | default: |
122f9c83 | 12565 | qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num); |
72eb7ea8 | 12566 | return -TARGET_ENOSYS; |
31e31b8a | 12567 | } |
31e31b8a FB |
12568 | return ret; |
12569 | } | |
dc1ce18b RH |
12570 | |
12571 | abi_long do_syscall(void *cpu_env, int num, abi_long arg1, | |
12572 | abi_long arg2, abi_long arg3, abi_long arg4, | |
12573 | abi_long arg5, abi_long arg6, abi_long arg7, | |
12574 | abi_long arg8) | |
12575 | { | |
29a0af61 | 12576 | CPUState *cpu = env_cpu(cpu_env); |
dc1ce18b RH |
12577 | abi_long ret; |
12578 | ||
12579 | #ifdef DEBUG_ERESTARTSYS | |
12580 | /* Debug-only code for exercising the syscall-restart code paths | |
12581 | * in the per-architecture cpu main loops: restart every syscall | |
12582 | * the guest makes once before letting it through. | |
12583 | */ | |
12584 | { | |
12585 | static bool flag; | |
12586 | flag = !flag; | |
12587 | if (flag) { | |
12588 | return -TARGET_ERESTARTSYS; | |
12589 | } | |
12590 | } | |
12591 | #endif | |
12592 | ||
c36f7a64 EC |
12593 | record_syscall_start(cpu, num, arg1, |
12594 | arg2, arg3, arg4, arg5, arg6, arg7, arg8); | |
dc1ce18b | 12595 | |
4b25a506 | 12596 | if (unlikely(qemu_loglevel_mask(LOG_STRACE))) { |
dc1ce18b | 12597 | print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); |
4b25a506 JK |
12598 | } |
12599 | ||
12600 | ret = do_syscall1(cpu_env, num, arg1, arg2, arg3, arg4, | |
12601 | arg5, arg6, arg7, arg8); | |
12602 | ||
12603 | if (unlikely(qemu_loglevel_mask(LOG_STRACE))) { | |
c84be71f | 12604 | print_syscall_ret(num, ret, arg1, arg2, arg3, arg4, arg5, arg6); |
dc1ce18b RH |
12605 | } |
12606 | ||
c36f7a64 | 12607 | record_syscall_return(cpu, num, ret); |
dc1ce18b RH |
12608 | return ret; |
12609 | } |