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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 |
31e31b8a FB |
20 | #include <stdlib.h> |
21 | #include <stdio.h> | |
22 | #include <stdarg.h> | |
04369ff2 | 23 | #include <string.h> |
31e31b8a FB |
24 | #include <elf.h> |
25 | #include <endian.h> | |
26 | #include <errno.h> | |
27 | #include <unistd.h> | |
28 | #include <fcntl.h> | |
7854b056 | 29 | #include <time.h> |
82e671d9 | 30 | #include <limits.h> |
c56dc774 | 31 | #include <grp.h> |
31e31b8a | 32 | #include <sys/types.h> |
d08d3bb8 TS |
33 | #include <sys/ipc.h> |
34 | #include <sys/msg.h> | |
31e31b8a FB |
35 | #include <sys/wait.h> |
36 | #include <sys/time.h> | |
37 | #include <sys/stat.h> | |
38 | #include <sys/mount.h> | |
586b0bef JS |
39 | #include <sys/file.h> |
40 | #include <sys/fsuid.h> | |
41 | #include <sys/personality.h> | |
39b9aae1 | 42 | #include <sys/prctl.h> |
31e31b8a FB |
43 | #include <sys/resource.h> |
44 | #include <sys/mman.h> | |
45 | #include <sys/swap.h> | |
e0eb210e | 46 | #include <linux/capability.h> |
31e31b8a FB |
47 | #include <signal.h> |
48 | #include <sched.h> | |
60e99246 AJ |
49 | #ifdef __ia64__ |
50 | int __clone2(int (*fn)(void *), void *child_stack_base, | |
51 | size_t stack_size, int flags, void *arg, ...); | |
52 | #endif | |
31e31b8a | 53 | #include <sys/socket.h> |
607175e0 | 54 | #include <sys/un.h> |
31e31b8a | 55 | #include <sys/uio.h> |
9de5e440 | 56 | #include <sys/poll.h> |
32f36bce | 57 | #include <sys/times.h> |
8853f86e | 58 | #include <sys/shm.h> |
fa294816 | 59 | #include <sys/sem.h> |
56c8f68f | 60 | #include <sys/statfs.h> |
ebc05488 | 61 | #include <utime.h> |
a5448a7d | 62 | #include <sys/sysinfo.h> |
72f03900 | 63 | //#include <sys/user.h> |
8853f86e | 64 | #include <netinet/ip.h> |
7854b056 | 65 | #include <netinet/tcp.h> |
86fcd946 | 66 | #include <linux/wireless.h> |
920394db | 67 | #include <linux/icmp.h> |
5a61cb60 | 68 | #include "qemu-common.h" |
d80a1905 RV |
69 | #ifdef CONFIG_TIMERFD |
70 | #include <sys/timerfd.h> | |
71 | #endif | |
9788c9ca | 72 | #ifdef TARGET_GPROF |
6d946cda AJ |
73 | #include <sys/gmon.h> |
74 | #endif | |
c2882b96 RV |
75 | #ifdef CONFIG_EVENTFD |
76 | #include <sys/eventfd.h> | |
77 | #endif | |
3b6edd16 PM |
78 | #ifdef CONFIG_EPOLL |
79 | #include <sys/epoll.h> | |
80 | #endif | |
a790ae38 | 81 | #ifdef CONFIG_ATTR |
1de7afc9 | 82 | #include "qemu/xattr.h" |
a790ae38 | 83 | #endif |
a8fd1aba PM |
84 | #ifdef CONFIG_SENDFILE |
85 | #include <sys/sendfile.h> | |
86 | #endif | |
31e31b8a FB |
87 | |
88 | #define termios host_termios | |
89 | #define winsize host_winsize | |
90 | #define termio host_termio | |
04369ff2 FB |
91 | #define sgttyb host_sgttyb /* same as target */ |
92 | #define tchars host_tchars /* same as target */ | |
93 | #define ltchars host_ltchars /* same as target */ | |
31e31b8a FB |
94 | |
95 | #include <linux/termios.h> | |
96 | #include <linux/unistd.h> | |
31e31b8a FB |
97 | #include <linux/cdrom.h> |
98 | #include <linux/hdreg.h> | |
99 | #include <linux/soundcard.h> | |
19b84f3c | 100 | #include <linux/kd.h> |
8fbd6b52 | 101 | #include <linux/mtio.h> |
350d1779 | 102 | #include <linux/fs.h> |
dace20dc | 103 | #if defined(CONFIG_FIEMAP) |
285da2b9 | 104 | #include <linux/fiemap.h> |
dace20dc | 105 | #endif |
f7680a55 UH |
106 | #include <linux/fb.h> |
107 | #include <linux/vt.h> | |
56e904ec | 108 | #include <linux/dm-ioctl.h> |
c07ecc68 | 109 | #include <linux/reboot.h> |
7ff7b666 | 110 | #include <linux/route.h> |
f57d4192 | 111 | #include <linux/filter.h> |
fff8c539 | 112 | #include <linux/blkpg.h> |
d7e4036e | 113 | #include "linux_loop.h" |
18cb0088 | 114 | #include "uname.h" |
31e31b8a | 115 | |
3ef693a0 | 116 | #include "qemu.h" |
31e31b8a | 117 | |
d865bab5 PB |
118 | #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \ |
119 | CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID) | |
30813cea | 120 | |
72f03900 | 121 | //#define DEBUG |
31e31b8a | 122 | |
1a9353d2 | 123 | //#include <linux/msdos_fs.h> |
6556a833 AJ |
124 | #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
125 | #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) | |
1a9353d2 | 126 | |
70a194b9 | 127 | |
70a194b9 FB |
128 | #undef _syscall0 |
129 | #undef _syscall1 | |
130 | #undef _syscall2 | |
131 | #undef _syscall3 | |
132 | #undef _syscall4 | |
133 | #undef _syscall5 | |
83fcb515 | 134 | #undef _syscall6 |
70a194b9 | 135 | |
83fcb515 | 136 | #define _syscall0(type,name) \ |
8fcd3692 | 137 | static type name (void) \ |
83fcb515 FB |
138 | { \ |
139 | return syscall(__NR_##name); \ | |
140 | } | |
70a194b9 | 141 | |
83fcb515 | 142 | #define _syscall1(type,name,type1,arg1) \ |
8fcd3692 | 143 | static type name (type1 arg1) \ |
83fcb515 FB |
144 | { \ |
145 | return syscall(__NR_##name, arg1); \ | |
70a194b9 FB |
146 | } |
147 | ||
83fcb515 | 148 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
8fcd3692 | 149 | static type name (type1 arg1,type2 arg2) \ |
83fcb515 FB |
150 | { \ |
151 | return syscall(__NR_##name, arg1, arg2); \ | |
70a194b9 FB |
152 | } |
153 | ||
83fcb515 | 154 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
8fcd3692 | 155 | static type name (type1 arg1,type2 arg2,type3 arg3) \ |
83fcb515 FB |
156 | { \ |
157 | return syscall(__NR_##name, arg1, arg2, arg3); \ | |
70a194b9 FB |
158 | } |
159 | ||
83fcb515 | 160 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
8fcd3692 | 161 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
83fcb515 FB |
162 | { \ |
163 | return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
70a194b9 FB |
164 | } |
165 | ||
83fcb515 FB |
166 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
167 | type5,arg5) \ | |
8fcd3692 | 168 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
83fcb515 FB |
169 | { \ |
170 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
70a194b9 FB |
171 | } |
172 | ||
83fcb515 FB |
173 | |
174 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ | |
175 | type5,arg5,type6,arg6) \ | |
8fcd3692 BS |
176 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ |
177 | type6 arg6) \ | |
83fcb515 FB |
178 | { \ |
179 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
70a194b9 | 180 | } |
83fcb515 | 181 | |
70a194b9 | 182 | |
31e31b8a | 183 | #define __NR_sys_uname __NR_uname |
72f03900 | 184 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 185 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 186 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 187 | #define __NR_sys_getpriority __NR_getpriority |
66fb9763 | 188 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
7494b0f9 | 189 | #define __NR_sys_syslog __NR_syslog |
71455574 | 190 | #define __NR_sys_tgkill __NR_tgkill |
4cae1d16 | 191 | #define __NR_sys_tkill __NR_tkill |
bd0c5661 | 192 | #define __NR_sys_futex __NR_futex |
39b59763 AJ |
193 | #define __NR_sys_inotify_init __NR_inotify_init |
194 | #define __NR_sys_inotify_add_watch __NR_inotify_add_watch | |
195 | #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch | |
31e31b8a | 196 | |
42a39fbe AG |
197 | #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \ |
198 | defined(__s390x__) | |
9af9eaaa FB |
199 | #define __NR__llseek __NR_lseek |
200 | #endif | |
201 | ||
a29e5ba2 JH |
202 | /* Newer kernel ports have llseek() instead of _llseek() */ |
203 | #if defined(TARGET_NR_llseek) && !defined(TARGET_NR__llseek) | |
204 | #define TARGET_NR__llseek TARGET_NR_llseek | |
205 | #endif | |
206 | ||
72f03900 | 207 | #ifdef __NR_gettid |
31e31b8a | 208 | _syscall0(int, gettid) |
72f03900 | 209 | #else |
0da46a6e TS |
210 | /* This is a replacement for the host gettid() and must return a host |
211 | errno. */ | |
72f03900 FB |
212 | static int gettid(void) { |
213 | return -ENOSYS; | |
214 | } | |
215 | #endif | |
3307e236 | 216 | #ifdef __NR_getdents |
3b3f24ad | 217 | _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
3307e236 PM |
218 | #endif |
219 | #if !defined(__NR_getdents) || \ | |
220 | (defined(TARGET_NR_getdents64) && defined(__NR_getdents64)) | |
3b3f24ad AJ |
221 | _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
222 | #endif | |
d35b261c | 223 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
3b3f24ad AJ |
224 | _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
225 | loff_t *, res, uint, wh); | |
226 | #endif | |
227 | _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) | |
228 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) | |
229 | #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) | |
230 | _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) | |
231 | #endif | |
232 | #if defined(TARGET_NR_tkill) && defined(__NR_tkill) | |
233 | _syscall2(int,sys_tkill,int,tid,int,sig) | |
234 | #endif | |
235 | #ifdef __NR_exit_group | |
236 | _syscall1(int,exit_group,int,error_code) | |
237 | #endif | |
238 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) | |
239 | _syscall1(int,set_tid_address,int *,tidptr) | |
240 | #endif | |
3b3f24ad AJ |
241 | #if defined(TARGET_NR_futex) && defined(__NR_futex) |
242 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, | |
243 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
244 | #endif | |
737de1d1 MF |
245 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
246 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
247 | unsigned long *, user_mask_ptr); | |
248 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
249 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
250 | unsigned long *, user_mask_ptr); | |
0f6b4d21 AG |
251 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
252 | void *, arg); | |
e0eb210e PM |
253 | _syscall2(int, capget, struct __user_cap_header_struct *, header, |
254 | struct __user_cap_data_struct *, data); | |
255 | _syscall2(int, capset, struct __user_cap_header_struct *, header, | |
256 | struct __user_cap_data_struct *, data); | |
ab31cda3 PB |
257 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
258 | _syscall2(int, ioprio_get, int, which, int, who) | |
259 | #endif | |
260 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
261 | _syscall3(int, ioprio_set, int, which, int, who, int, ioprio) | |
262 | #endif | |
3b3f24ad AJ |
263 | |
264 | static bitmask_transtbl fcntl_flags_tbl[] = { | |
265 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, | |
266 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
267 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
268 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
269 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
270 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
271 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
272 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 273 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
274 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
275 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
276 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
277 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
278 | #if defined(O_DIRECT) |
279 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
280 | #endif |
281 | #if defined(O_NOATIME) | |
282 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
283 | #endif | |
284 | #if defined(O_CLOEXEC) | |
285 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
286 | #endif | |
287 | #if defined(O_PATH) | |
288 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
289 | #endif | |
290 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
291 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
292 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad AJ |
293 | #endif |
294 | { 0, 0, 0, 0 } | |
295 | }; | |
296 | ||
3b3f24ad AJ |
297 | static int sys_getcwd1(char *buf, size_t size) |
298 | { | |
299 | if (getcwd(buf, size) == NULL) { | |
300 | /* getcwd() sets errno */ | |
301 | return (-1); | |
302 | } | |
aaf4ad39 | 303 | return strlen(buf)+1; |
3b3f24ad AJ |
304 | } |
305 | ||
f4c69010 | 306 | static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode) |
3b3f24ad AJ |
307 | { |
308 | /* | |
309 | * open(2) has extra parameter 'mode' when called with | |
310 | * flag O_CREAT. | |
311 | */ | |
312 | if ((flags & O_CREAT) != 0) { | |
3b3f24ad AJ |
313 | return (openat(dirfd, pathname, flags, mode)); |
314 | } | |
315 | return (openat(dirfd, pathname, flags)); | |
316 | } | |
ebc996f3 | 317 | |
1acae9f2 | 318 | #ifdef TARGET_NR_utimensat |
ebc996f3 RV |
319 | #ifdef CONFIG_UTIMENSAT |
320 | static int sys_utimensat(int dirfd, const char *pathname, | |
321 | const struct timespec times[2], int flags) | |
322 | { | |
323 | if (pathname == NULL) | |
324 | return futimens(dirfd, times); | |
325 | else | |
326 | return utimensat(dirfd, pathname, times, flags); | |
327 | } | |
1acae9f2 PM |
328 | #elif defined(__NR_utimensat) |
329 | #define __NR_sys_utimensat __NR_utimensat | |
9007f0ef TS |
330 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
331 | const struct timespec *,tsp,int,flags) | |
1acae9f2 PM |
332 | #else |
333 | static int sys_utimensat(int dirfd, const char *pathname, | |
334 | const struct timespec times[2], int flags) | |
335 | { | |
336 | errno = ENOSYS; | |
337 | return -1; | |
338 | } | |
9007f0ef | 339 | #endif |
1acae9f2 | 340 | #endif /* TARGET_NR_utimensat */ |
3b3f24ad AJ |
341 | |
342 | #ifdef CONFIG_INOTIFY | |
8690e420 | 343 | #include <sys/inotify.h> |
3b3f24ad | 344 | |
39b59763 | 345 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
3b3f24ad AJ |
346 | static int sys_inotify_init(void) |
347 | { | |
348 | return (inotify_init()); | |
349 | } | |
39b59763 AJ |
350 | #endif |
351 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) | |
3b3f24ad AJ |
352 | static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
353 | { | |
354 | return (inotify_add_watch(fd, pathname, mask)); | |
355 | } | |
39b59763 AJ |
356 | #endif |
357 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) | |
3b3f24ad AJ |
358 | static int sys_inotify_rm_watch(int fd, int32_t wd) |
359 | { | |
8690e420 | 360 | return (inotify_rm_watch(fd, wd)); |
3b3f24ad | 361 | } |
bd0c5661 | 362 | #endif |
c05c7a73 RV |
363 | #ifdef CONFIG_INOTIFY1 |
364 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) | |
365 | static int sys_inotify_init1(int flags) | |
366 | { | |
367 | return (inotify_init1(flags)); | |
368 | } | |
369 | #endif | |
370 | #endif | |
3b3f24ad AJ |
371 | #else |
372 | /* Userspace can usually survive runtime without inotify */ | |
373 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 374 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
375 | #undef TARGET_NR_inotify_add_watch |
376 | #undef TARGET_NR_inotify_rm_watch | |
377 | #endif /* CONFIG_INOTIFY */ | |
378 | ||
d8035d4c MF |
379 | #if defined(TARGET_NR_ppoll) |
380 | #ifndef __NR_ppoll | |
381 | # define __NR_ppoll -1 | |
382 | #endif | |
383 | #define __NR_sys_ppoll __NR_ppoll | |
384 | _syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds, | |
34d60862 | 385 | struct timespec *, timeout, const sigset_t *, sigmask, |
d8035d4c MF |
386 | size_t, sigsetsize) |
387 | #endif | |
66fb9763 | 388 | |
055e0906 MF |
389 | #if defined(TARGET_NR_pselect6) |
390 | #ifndef __NR_pselect6 | |
391 | # define __NR_pselect6 -1 | |
392 | #endif | |
393 | #define __NR_sys_pselect6 __NR_pselect6 | |
394 | _syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, | |
395 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig); | |
396 | #endif | |
397 | ||
163a05a8 PM |
398 | #if defined(TARGET_NR_prlimit64) |
399 | #ifndef __NR_prlimit64 | |
400 | # define __NR_prlimit64 -1 | |
401 | #endif | |
402 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
403 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
404 | struct host_rlimit64 { | |
405 | uint64_t rlim_cur; | |
406 | uint64_t rlim_max; | |
407 | }; | |
408 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
409 | const struct host_rlimit64 *, new_limit, | |
410 | struct host_rlimit64 *, old_limit) | |
411 | #endif | |
412 | ||
f4f1e10a ECL |
413 | |
414 | #if defined(TARGET_NR_timer_create) | |
415 | /* Maxiumum of 32 active POSIX timers allowed at any one time. */ | |
416 | static timer_t g_posix_timers[32] = { 0, } ; | |
417 | ||
418 | static inline int next_free_host_timer(void) | |
419 | { | |
420 | int k ; | |
421 | /* FIXME: Does finding the next free slot require a lock? */ | |
422 | for (k = 0; k < ARRAY_SIZE(g_posix_timers); k++) { | |
423 | if (g_posix_timers[k] == 0) { | |
424 | g_posix_timers[k] = (timer_t) 1; | |
425 | return k; | |
426 | } | |
427 | } | |
428 | return -1; | |
429 | } | |
430 | #endif | |
431 | ||
48e515d4 | 432 | /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */ |
4a1def4e | 433 | #ifdef TARGET_ARM |
48e515d4 RV |
434 | static inline int regpairs_aligned(void *cpu_env) { |
435 | return ((((CPUARMState *)cpu_env)->eabi) == 1) ; | |
436 | } | |
437 | #elif defined(TARGET_MIPS) | |
438 | static inline int regpairs_aligned(void *cpu_env) { return 1; } | |
4a1def4e AG |
439 | #elif defined(TARGET_PPC) && !defined(TARGET_PPC64) |
440 | /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs | |
441 | * of registers which translates to the same as ARM/MIPS, because we start with | |
442 | * r3 as arg1 */ | |
443 | static inline int regpairs_aligned(void *cpu_env) { return 1; } | |
48e515d4 RV |
444 | #else |
445 | static inline int regpairs_aligned(void *cpu_env) { return 0; } | |
446 | #endif | |
447 | ||
b92c47c1 TS |
448 | #define ERRNO_TABLE_SIZE 1200 |
449 | ||
450 | /* target_to_host_errno_table[] is initialized from | |
451 | * host_to_target_errno_table[] in syscall_init(). */ | |
452 | static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { | |
453 | }; | |
454 | ||
637947f1 | 455 | /* |
fe8f096b | 456 | * This list is the union of errno values overridden in asm-<arch>/errno.h |
637947f1 TS |
457 | * minus the errnos that are not actually generic to all archs. |
458 | */ | |
b92c47c1 | 459 | static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { |
637947f1 TS |
460 | [EIDRM] = TARGET_EIDRM, |
461 | [ECHRNG] = TARGET_ECHRNG, | |
462 | [EL2NSYNC] = TARGET_EL2NSYNC, | |
463 | [EL3HLT] = TARGET_EL3HLT, | |
464 | [EL3RST] = TARGET_EL3RST, | |
465 | [ELNRNG] = TARGET_ELNRNG, | |
466 | [EUNATCH] = TARGET_EUNATCH, | |
467 | [ENOCSI] = TARGET_ENOCSI, | |
468 | [EL2HLT] = TARGET_EL2HLT, | |
469 | [EDEADLK] = TARGET_EDEADLK, | |
470 | [ENOLCK] = TARGET_ENOLCK, | |
471 | [EBADE] = TARGET_EBADE, | |
472 | [EBADR] = TARGET_EBADR, | |
473 | [EXFULL] = TARGET_EXFULL, | |
474 | [ENOANO] = TARGET_ENOANO, | |
475 | [EBADRQC] = TARGET_EBADRQC, | |
476 | [EBADSLT] = TARGET_EBADSLT, | |
477 | [EBFONT] = TARGET_EBFONT, | |
478 | [ENOSTR] = TARGET_ENOSTR, | |
479 | [ENODATA] = TARGET_ENODATA, | |
480 | [ETIME] = TARGET_ETIME, | |
481 | [ENOSR] = TARGET_ENOSR, | |
482 | [ENONET] = TARGET_ENONET, | |
483 | [ENOPKG] = TARGET_ENOPKG, | |
484 | [EREMOTE] = TARGET_EREMOTE, | |
485 | [ENOLINK] = TARGET_ENOLINK, | |
486 | [EADV] = TARGET_EADV, | |
487 | [ESRMNT] = TARGET_ESRMNT, | |
488 | [ECOMM] = TARGET_ECOMM, | |
489 | [EPROTO] = TARGET_EPROTO, | |
490 | [EDOTDOT] = TARGET_EDOTDOT, | |
491 | [EMULTIHOP] = TARGET_EMULTIHOP, | |
492 | [EBADMSG] = TARGET_EBADMSG, | |
493 | [ENAMETOOLONG] = TARGET_ENAMETOOLONG, | |
494 | [EOVERFLOW] = TARGET_EOVERFLOW, | |
495 | [ENOTUNIQ] = TARGET_ENOTUNIQ, | |
496 | [EBADFD] = TARGET_EBADFD, | |
497 | [EREMCHG] = TARGET_EREMCHG, | |
498 | [ELIBACC] = TARGET_ELIBACC, | |
499 | [ELIBBAD] = TARGET_ELIBBAD, | |
500 | [ELIBSCN] = TARGET_ELIBSCN, | |
501 | [ELIBMAX] = TARGET_ELIBMAX, | |
502 | [ELIBEXEC] = TARGET_ELIBEXEC, | |
503 | [EILSEQ] = TARGET_EILSEQ, | |
504 | [ENOSYS] = TARGET_ENOSYS, | |
505 | [ELOOP] = TARGET_ELOOP, | |
506 | [ERESTART] = TARGET_ERESTART, | |
507 | [ESTRPIPE] = TARGET_ESTRPIPE, | |
508 | [ENOTEMPTY] = TARGET_ENOTEMPTY, | |
509 | [EUSERS] = TARGET_EUSERS, | |
510 | [ENOTSOCK] = TARGET_ENOTSOCK, | |
511 | [EDESTADDRREQ] = TARGET_EDESTADDRREQ, | |
512 | [EMSGSIZE] = TARGET_EMSGSIZE, | |
513 | [EPROTOTYPE] = TARGET_EPROTOTYPE, | |
514 | [ENOPROTOOPT] = TARGET_ENOPROTOOPT, | |
515 | [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, | |
516 | [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, | |
517 | [EOPNOTSUPP] = TARGET_EOPNOTSUPP, | |
518 | [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, | |
519 | [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, | |
520 | [EADDRINUSE] = TARGET_EADDRINUSE, | |
521 | [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, | |
522 | [ENETDOWN] = TARGET_ENETDOWN, | |
523 | [ENETUNREACH] = TARGET_ENETUNREACH, | |
524 | [ENETRESET] = TARGET_ENETRESET, | |
525 | [ECONNABORTED] = TARGET_ECONNABORTED, | |
526 | [ECONNRESET] = TARGET_ECONNRESET, | |
527 | [ENOBUFS] = TARGET_ENOBUFS, | |
528 | [EISCONN] = TARGET_EISCONN, | |
529 | [ENOTCONN] = TARGET_ENOTCONN, | |
530 | [EUCLEAN] = TARGET_EUCLEAN, | |
531 | [ENOTNAM] = TARGET_ENOTNAM, | |
532 | [ENAVAIL] = TARGET_ENAVAIL, | |
533 | [EISNAM] = TARGET_EISNAM, | |
534 | [EREMOTEIO] = TARGET_EREMOTEIO, | |
535 | [ESHUTDOWN] = TARGET_ESHUTDOWN, | |
536 | [ETOOMANYREFS] = TARGET_ETOOMANYREFS, | |
537 | [ETIMEDOUT] = TARGET_ETIMEDOUT, | |
538 | [ECONNREFUSED] = TARGET_ECONNREFUSED, | |
539 | [EHOSTDOWN] = TARGET_EHOSTDOWN, | |
540 | [EHOSTUNREACH] = TARGET_EHOSTUNREACH, | |
541 | [EALREADY] = TARGET_EALREADY, | |
542 | [EINPROGRESS] = TARGET_EINPROGRESS, | |
543 | [ESTALE] = TARGET_ESTALE, | |
544 | [ECANCELED] = TARGET_ECANCELED, | |
545 | [ENOMEDIUM] = TARGET_ENOMEDIUM, | |
546 | [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, | |
b7fe5db7 | 547 | #ifdef ENOKEY |
637947f1 | 548 | [ENOKEY] = TARGET_ENOKEY, |
b7fe5db7 TS |
549 | #endif |
550 | #ifdef EKEYEXPIRED | |
637947f1 | 551 | [EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
b7fe5db7 TS |
552 | #endif |
553 | #ifdef EKEYREVOKED | |
637947f1 | 554 | [EKEYREVOKED] = TARGET_EKEYREVOKED, |
b7fe5db7 TS |
555 | #endif |
556 | #ifdef EKEYREJECTED | |
637947f1 | 557 | [EKEYREJECTED] = TARGET_EKEYREJECTED, |
b7fe5db7 TS |
558 | #endif |
559 | #ifdef EOWNERDEAD | |
637947f1 | 560 | [EOWNERDEAD] = TARGET_EOWNERDEAD, |
b7fe5db7 TS |
561 | #endif |
562 | #ifdef ENOTRECOVERABLE | |
637947f1 | 563 | [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
b7fe5db7 | 564 | #endif |
b92c47c1 | 565 | }; |
637947f1 TS |
566 | |
567 | static inline int host_to_target_errno(int err) | |
568 | { | |
569 | if(host_to_target_errno_table[err]) | |
570 | return host_to_target_errno_table[err]; | |
571 | return err; | |
572 | } | |
573 | ||
b92c47c1 TS |
574 | static inline int target_to_host_errno(int err) |
575 | { | |
576 | if (target_to_host_errno_table[err]) | |
577 | return target_to_host_errno_table[err]; | |
578 | return err; | |
579 | } | |
580 | ||
992f48a0 | 581 | static inline abi_long get_errno(abi_long ret) |
31e31b8a FB |
582 | { |
583 | if (ret == -1) | |
637947f1 | 584 | return -host_to_target_errno(errno); |
31e31b8a FB |
585 | else |
586 | return ret; | |
587 | } | |
588 | ||
992f48a0 | 589 | static inline int is_error(abi_long ret) |
31e31b8a | 590 | { |
992f48a0 | 591 | return (abi_ulong)ret >= (abi_ulong)(-4096); |
31e31b8a FB |
592 | } |
593 | ||
b92c47c1 TS |
594 | char *target_strerror(int err) |
595 | { | |
962b289e AG |
596 | if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
597 | return NULL; | |
598 | } | |
b92c47c1 TS |
599 | return strerror(target_to_host_errno(err)); |
600 | } | |
601 | ||
8289d112 PB |
602 | static inline int host_to_target_sock_type(int host_type) |
603 | { | |
604 | int target_type; | |
605 | ||
606 | switch (host_type & 0xf /* SOCK_TYPE_MASK */) { | |
607 | case SOCK_DGRAM: | |
608 | target_type = TARGET_SOCK_DGRAM; | |
609 | break; | |
610 | case SOCK_STREAM: | |
611 | target_type = TARGET_SOCK_STREAM; | |
612 | break; | |
613 | default: | |
614 | target_type = host_type & 0xf /* SOCK_TYPE_MASK */; | |
615 | break; | |
616 | } | |
617 | ||
618 | #if defined(SOCK_CLOEXEC) | |
619 | if (host_type & SOCK_CLOEXEC) { | |
620 | target_type |= TARGET_SOCK_CLOEXEC; | |
621 | } | |
622 | #endif | |
623 | ||
624 | #if defined(SOCK_NONBLOCK) | |
625 | if (host_type & SOCK_NONBLOCK) { | |
626 | target_type |= TARGET_SOCK_NONBLOCK; | |
627 | } | |
628 | #endif | |
629 | ||
630 | return target_type; | |
631 | } | |
632 | ||
992f48a0 BS |
633 | static abi_ulong target_brk; |
634 | static abi_ulong target_original_brk; | |
4d1de87c | 635 | static abi_ulong brk_page; |
31e31b8a | 636 | |
992f48a0 | 637 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 638 | { |
4c1de73d | 639 | target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
4d1de87c | 640 | brk_page = HOST_PAGE_ALIGN(target_brk); |
31e31b8a FB |
641 | } |
642 | ||
4d1de87c CV |
643 | //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0) |
644 | #define DEBUGF_BRK(message, args...) | |
645 | ||
0da46a6e | 646 | /* do_brk() must return target values and target errnos. */ |
992f48a0 | 647 | abi_long do_brk(abi_ulong new_brk) |
31e31b8a | 648 | { |
992f48a0 | 649 | abi_long mapped_addr; |
31e31b8a FB |
650 | int new_alloc_size; |
651 | ||
3a0c6c4a | 652 | DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
4d1de87c CV |
653 | |
654 | if (!new_brk) { | |
3a0c6c4a | 655 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk); |
53a5960a | 656 | return target_brk; |
4d1de87c CV |
657 | } |
658 | if (new_brk < target_original_brk) { | |
3a0c6c4a PB |
659 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n", |
660 | target_brk); | |
7ab240ad | 661 | return target_brk; |
4d1de87c | 662 | } |
3b46e624 | 663 | |
4d1de87c CV |
664 | /* If the new brk is less than the highest page reserved to the |
665 | * target heap allocation, set it and we're almost done... */ | |
666 | if (new_brk <= brk_page) { | |
667 | /* Heap contents are initialized to zero, as for anonymous | |
668 | * mapped pages. */ | |
669 | if (new_brk > target_brk) { | |
670 | memset(g2h(target_brk), 0, new_brk - target_brk); | |
671 | } | |
31e31b8a | 672 | target_brk = new_brk; |
3a0c6c4a | 673 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk); |
53a5960a | 674 | return target_brk; |
31e31b8a FB |
675 | } |
676 | ||
00faf08c PM |
677 | /* We need to allocate more memory after the brk... Note that |
678 | * we don't use MAP_FIXED because that will map over the top of | |
679 | * any existing mapping (like the one with the host libc or qemu | |
680 | * itself); instead we treat "mapped but at wrong address" as | |
681 | * a failure and unmap again. | |
682 | */ | |
4d1de87c | 683 | new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
5fafdf24 | 684 | mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
54936004 | 685 | PROT_READ|PROT_WRITE, |
00faf08c PM |
686 | MAP_ANON|MAP_PRIVATE, 0, 0)); |
687 | ||
688 | if (mapped_addr == brk_page) { | |
70afc343 CV |
689 | /* Heap contents are initialized to zero, as for anonymous |
690 | * mapped pages. Technically the new pages are already | |
691 | * initialized to zero since they *are* anonymous mapped | |
692 | * pages, however we have to take care with the contents that | |
693 | * come from the remaining part of the previous page: it may | |
694 | * contains garbage data due to a previous heap usage (grown | |
695 | * then shrunken). */ | |
696 | memset(g2h(target_brk), 0, brk_page - target_brk); | |
697 | ||
00faf08c | 698 | target_brk = new_brk; |
4d1de87c | 699 | brk_page = HOST_PAGE_ALIGN(target_brk); |
3a0c6c4a PB |
700 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n", |
701 | target_brk); | |
00faf08c PM |
702 | return target_brk; |
703 | } else if (mapped_addr != -1) { | |
704 | /* Mapped but at wrong address, meaning there wasn't actually | |
705 | * enough space for this brk. | |
706 | */ | |
707 | target_munmap(mapped_addr, new_alloc_size); | |
708 | mapped_addr = -1; | |
3a0c6c4a | 709 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk); |
4d1de87c CV |
710 | } |
711 | else { | |
3a0c6c4a | 712 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk); |
00faf08c | 713 | } |
7ab240ad | 714 | |
7dd46c02 RH |
715 | #if defined(TARGET_ALPHA) |
716 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
717 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 718 | return -TARGET_ENOMEM; |
7dd46c02 | 719 | #endif |
00faf08c | 720 | /* For everything else, return the previous break. */ |
7ab240ad | 721 | return target_brk; |
31e31b8a FB |
722 | } |
723 | ||
26edcf41 TS |
724 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
725 | abi_ulong target_fds_addr, | |
726 | int n) | |
31e31b8a | 727 | { |
26edcf41 TS |
728 | int i, nw, j, k; |
729 | abi_ulong b, *target_fds; | |
730 | ||
731 | nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; | |
732 | if (!(target_fds = lock_user(VERIFY_READ, | |
733 | target_fds_addr, | |
734 | sizeof(abi_ulong) * nw, | |
735 | 1))) | |
736 | return -TARGET_EFAULT; | |
737 | ||
738 | FD_ZERO(fds); | |
739 | k = 0; | |
740 | for (i = 0; i < nw; i++) { | |
741 | /* grab the abi_ulong */ | |
742 | __get_user(b, &target_fds[i]); | |
743 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
744 | /* check the bit inside the abi_ulong */ | |
745 | if ((b >> j) & 1) | |
746 | FD_SET(k, fds); | |
747 | k++; | |
31e31b8a | 748 | } |
31e31b8a | 749 | } |
26edcf41 TS |
750 | |
751 | unlock_user(target_fds, target_fds_addr, 0); | |
752 | ||
753 | return 0; | |
31e31b8a FB |
754 | } |
755 | ||
055e0906 MF |
756 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
757 | abi_ulong target_fds_addr, | |
758 | int n) | |
759 | { | |
760 | if (target_fds_addr) { | |
761 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
762 | return -TARGET_EFAULT; | |
763 | *fds_ptr = fds; | |
764 | } else { | |
765 | *fds_ptr = NULL; | |
766 | } | |
767 | return 0; | |
768 | } | |
769 | ||
26edcf41 TS |
770 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
771 | const fd_set *fds, | |
772 | int n) | |
31e31b8a | 773 | { |
31e31b8a | 774 | int i, nw, j, k; |
992f48a0 | 775 | abi_long v; |
26edcf41 | 776 | abi_ulong *target_fds; |
31e31b8a | 777 | |
26edcf41 TS |
778 | nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; |
779 | if (!(target_fds = lock_user(VERIFY_WRITE, | |
780 | target_fds_addr, | |
781 | sizeof(abi_ulong) * nw, | |
782 | 0))) | |
783 | return -TARGET_EFAULT; | |
784 | ||
785 | k = 0; | |
786 | for (i = 0; i < nw; i++) { | |
787 | v = 0; | |
788 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
9ab709be | 789 | v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j); |
26edcf41 | 790 | k++; |
31e31b8a | 791 | } |
26edcf41 | 792 | __put_user(v, &target_fds[i]); |
31e31b8a | 793 | } |
26edcf41 TS |
794 | |
795 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
796 | ||
797 | return 0; | |
31e31b8a FB |
798 | } |
799 | ||
c596ed17 FB |
800 | #if defined(__alpha__) |
801 | #define HOST_HZ 1024 | |
802 | #else | |
803 | #define HOST_HZ 100 | |
804 | #endif | |
805 | ||
992f48a0 | 806 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
807 | { |
808 | #if HOST_HZ == TARGET_HZ | |
809 | return ticks; | |
810 | #else | |
811 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
812 | #endif | |
813 | } | |
814 | ||
579a97f7 FB |
815 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
816 | const struct rusage *rusage) | |
b409186b | 817 | { |
53a5960a PB |
818 | struct target_rusage *target_rusage; |
819 | ||
579a97f7 FB |
820 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
821 | return -TARGET_EFAULT; | |
cbb21eed MB |
822 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
823 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
824 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
825 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
826 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
827 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
828 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
829 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
830 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
831 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
832 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
833 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
834 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
835 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
836 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
837 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
838 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
839 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 840 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
841 | |
842 | return 0; | |
b409186b FB |
843 | } |
844 | ||
cbb21eed | 845 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 846 | { |
cbb21eed | 847 | abi_ulong target_rlim_swap; |
95b33b2f WT |
848 | rlim_t result; |
849 | ||
cbb21eed MB |
850 | target_rlim_swap = tswapal(target_rlim); |
851 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
852 | return RLIM_INFINITY; | |
853 | ||
854 | result = target_rlim_swap; | |
855 | if (target_rlim_swap != (rlim_t)result) | |
856 | return RLIM_INFINITY; | |
95b33b2f WT |
857 | |
858 | return result; | |
81bbe906 TY |
859 | } |
860 | ||
cbb21eed | 861 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 862 | { |
cbb21eed MB |
863 | abi_ulong target_rlim_swap; |
864 | abi_ulong result; | |
95b33b2f | 865 | |
cbb21eed | 866 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 867 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 868 | else |
95b33b2f | 869 | target_rlim_swap = rlim; |
cbb21eed | 870 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
871 | |
872 | return result; | |
81bbe906 TY |
873 | } |
874 | ||
e22b7015 WT |
875 | static inline int target_to_host_resource(int code) |
876 | { | |
877 | switch (code) { | |
878 | case TARGET_RLIMIT_AS: | |
879 | return RLIMIT_AS; | |
880 | case TARGET_RLIMIT_CORE: | |
881 | return RLIMIT_CORE; | |
882 | case TARGET_RLIMIT_CPU: | |
883 | return RLIMIT_CPU; | |
884 | case TARGET_RLIMIT_DATA: | |
885 | return RLIMIT_DATA; | |
886 | case TARGET_RLIMIT_FSIZE: | |
887 | return RLIMIT_FSIZE; | |
888 | case TARGET_RLIMIT_LOCKS: | |
889 | return RLIMIT_LOCKS; | |
890 | case TARGET_RLIMIT_MEMLOCK: | |
891 | return RLIMIT_MEMLOCK; | |
892 | case TARGET_RLIMIT_MSGQUEUE: | |
893 | return RLIMIT_MSGQUEUE; | |
894 | case TARGET_RLIMIT_NICE: | |
895 | return RLIMIT_NICE; | |
896 | case TARGET_RLIMIT_NOFILE: | |
897 | return RLIMIT_NOFILE; | |
898 | case TARGET_RLIMIT_NPROC: | |
899 | return RLIMIT_NPROC; | |
900 | case TARGET_RLIMIT_RSS: | |
901 | return RLIMIT_RSS; | |
902 | case TARGET_RLIMIT_RTPRIO: | |
903 | return RLIMIT_RTPRIO; | |
904 | case TARGET_RLIMIT_SIGPENDING: | |
905 | return RLIMIT_SIGPENDING; | |
906 | case TARGET_RLIMIT_STACK: | |
907 | return RLIMIT_STACK; | |
908 | default: | |
909 | return code; | |
910 | } | |
911 | } | |
912 | ||
788f5ec4 TS |
913 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
914 | abi_ulong target_tv_addr) | |
31e31b8a | 915 | { |
53a5960a PB |
916 | struct target_timeval *target_tv; |
917 | ||
788f5ec4 | 918 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
579a97f7 | 919 | return -TARGET_EFAULT; |
788f5ec4 TS |
920 | |
921 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
922 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
923 | ||
924 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
925 | |
926 | return 0; | |
31e31b8a FB |
927 | } |
928 | ||
788f5ec4 TS |
929 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
930 | const struct timeval *tv) | |
31e31b8a | 931 | { |
53a5960a PB |
932 | struct target_timeval *target_tv; |
933 | ||
788f5ec4 | 934 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
579a97f7 | 935 | return -TARGET_EFAULT; |
788f5ec4 TS |
936 | |
937 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
938 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
939 | ||
940 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
941 | |
942 | return 0; | |
31e31b8a FB |
943 | } |
944 | ||
ef4467e9 PB |
945 | static inline abi_long copy_from_user_timezone(struct timezone *tz, |
946 | abi_ulong target_tz_addr) | |
947 | { | |
948 | struct target_timezone *target_tz; | |
949 | ||
950 | if (!lock_user_struct(VERIFY_READ, target_tz, target_tz_addr, 1)) { | |
951 | return -TARGET_EFAULT; | |
952 | } | |
953 | ||
954 | __get_user(tz->tz_minuteswest, &target_tz->tz_minuteswest); | |
955 | __get_user(tz->tz_dsttime, &target_tz->tz_dsttime); | |
956 | ||
957 | unlock_user_struct(target_tz, target_tz_addr, 0); | |
958 | ||
959 | return 0; | |
960 | } | |
961 | ||
8ec9cf89 NF |
962 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
963 | #include <mqueue.h> | |
964 | ||
24e1003a AJ |
965 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
966 | abi_ulong target_mq_attr_addr) | |
967 | { | |
968 | struct target_mq_attr *target_mq_attr; | |
969 | ||
970 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
971 | target_mq_attr_addr, 1)) | |
972 | return -TARGET_EFAULT; | |
973 | ||
974 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
975 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
976 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
977 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
978 | ||
979 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
980 | ||
981 | return 0; | |
982 | } | |
983 | ||
984 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
985 | const struct mq_attr *attr) | |
986 | { | |
987 | struct target_mq_attr *target_mq_attr; | |
988 | ||
989 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
990 | target_mq_attr_addr, 0)) | |
991 | return -TARGET_EFAULT; | |
992 | ||
993 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
994 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
995 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
996 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
997 | ||
998 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
999 | ||
1000 | return 0; | |
1001 | } | |
8ec9cf89 | 1002 | #endif |
31e31b8a | 1003 | |
055e0906 | 1004 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 1005 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 1006 | static abi_long do_select(int n, |
26edcf41 TS |
1007 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
1008 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
1009 | { |
1010 | fd_set rfds, wfds, efds; | |
1011 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
1012 | struct timeval tv, *tv_ptr; | |
992f48a0 | 1013 | abi_long ret; |
31e31b8a | 1014 | |
055e0906 MF |
1015 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
1016 | if (ret) { | |
1017 | return ret; | |
53a5960a | 1018 | } |
055e0906 MF |
1019 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
1020 | if (ret) { | |
1021 | return ret; | |
53a5960a | 1022 | } |
055e0906 MF |
1023 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
1024 | if (ret) { | |
1025 | return ret; | |
53a5960a | 1026 | } |
3b46e624 | 1027 | |
26edcf41 | 1028 | if (target_tv_addr) { |
788f5ec4 TS |
1029 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
1030 | return -TARGET_EFAULT; | |
31e31b8a FB |
1031 | tv_ptr = &tv; |
1032 | } else { | |
1033 | tv_ptr = NULL; | |
1034 | } | |
26edcf41 | 1035 | |
31e31b8a | 1036 | ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
53a5960a | 1037 | |
26edcf41 TS |
1038 | if (!is_error(ret)) { |
1039 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
1040 | return -TARGET_EFAULT; | |
1041 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
1042 | return -TARGET_EFAULT; | |
1043 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
1044 | return -TARGET_EFAULT; | |
31e31b8a | 1045 | |
788f5ec4 TS |
1046 | if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv)) |
1047 | return -TARGET_EFAULT; | |
31e31b8a | 1048 | } |
579a97f7 | 1049 | |
31e31b8a FB |
1050 | return ret; |
1051 | } | |
055e0906 | 1052 | #endif |
31e31b8a | 1053 | |
099d6b0f RV |
1054 | static abi_long do_pipe2(int host_pipe[], int flags) |
1055 | { | |
1056 | #ifdef CONFIG_PIPE2 | |
1057 | return pipe2(host_pipe, flags); | |
1058 | #else | |
1059 | return -ENOSYS; | |
1060 | #endif | |
1061 | } | |
1062 | ||
fb41a66e RH |
1063 | static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
1064 | int flags, int is_pipe2) | |
099d6b0f RV |
1065 | { |
1066 | int host_pipe[2]; | |
1067 | abi_long ret; | |
1068 | ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); | |
1069 | ||
1070 | if (is_error(ret)) | |
1071 | return get_errno(ret); | |
fb41a66e RH |
1072 | |
1073 | /* Several targets have special calling conventions for the original | |
1074 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1075 | if (!is_pipe2) { | |
1076 | #if defined(TARGET_ALPHA) | |
1077 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1]; | |
1078 | return host_pipe[0]; | |
1079 | #elif defined(TARGET_MIPS) | |
1080 | ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; | |
1081 | return host_pipe[0]; | |
1082 | #elif defined(TARGET_SH4) | |
597c0212 | 1083 | ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
fb41a66e | 1084 | return host_pipe[0]; |
82f05b69 PM |
1085 | #elif defined(TARGET_SPARC) |
1086 | ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1]; | |
1087 | return host_pipe[0]; | |
597c0212 | 1088 | #endif |
fb41a66e RH |
1089 | } |
1090 | ||
099d6b0f RV |
1091 | if (put_user_s32(host_pipe[0], pipedes) |
1092 | || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) | |
1093 | return -TARGET_EFAULT; | |
099d6b0f RV |
1094 | return get_errno(ret); |
1095 | } | |
1096 | ||
b975b83b LL |
1097 | static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1098 | abi_ulong target_addr, | |
1099 | socklen_t len) | |
1100 | { | |
1101 | struct target_ip_mreqn *target_smreqn; | |
1102 | ||
1103 | target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); | |
1104 | if (!target_smreqn) | |
1105 | return -TARGET_EFAULT; | |
1106 | mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
1107 | mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
1108 | if (len == sizeof(struct target_ip_mreqn)) | |
cbb21eed | 1109 | mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
b975b83b LL |
1110 | unlock_user(target_smreqn, target_addr, 0); |
1111 | ||
1112 | return 0; | |
1113 | } | |
1114 | ||
579a97f7 FB |
1115 | static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, |
1116 | abi_ulong target_addr, | |
1117 | socklen_t len) | |
7854b056 | 1118 | { |
607175e0 AJ |
1119 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1120 | sa_family_t sa_family; | |
53a5960a PB |
1121 | struct target_sockaddr *target_saddr; |
1122 | ||
579a97f7 FB |
1123 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1124 | if (!target_saddr) | |
1125 | return -TARGET_EFAULT; | |
607175e0 AJ |
1126 | |
1127 | sa_family = tswap16(target_saddr->sa_family); | |
1128 | ||
1129 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1130 | * must be terminated by \0 (see the manual page), but | |
1131 | * unfortunately it is quite common to specify sockaddr_un | |
1132 | * length as "strlen(x->sun_path)" while it should be | |
1133 | * "strlen(...) + 1". We'll fix that here if needed. | |
1134 | * Linux kernel has a similar feature. | |
1135 | */ | |
1136 | ||
1137 | if (sa_family == AF_UNIX) { | |
1138 | if (len < unix_maxlen && len > 0) { | |
1139 | char *cp = (char*)target_saddr; | |
1140 | ||
1141 | if ( cp[len-1] && !cp[len] ) | |
1142 | len++; | |
1143 | } | |
1144 | if (len > unix_maxlen) | |
1145 | len = unix_maxlen; | |
1146 | } | |
1147 | ||
53a5960a | 1148 | memcpy(addr, target_saddr, len); |
607175e0 | 1149 | addr->sa_family = sa_family; |
33a29b51 JT |
1150 | if (sa_family == AF_PACKET) { |
1151 | struct target_sockaddr_ll *lladdr; | |
1152 | ||
1153 | lladdr = (struct target_sockaddr_ll *)addr; | |
1154 | lladdr->sll_ifindex = tswap32(lladdr->sll_ifindex); | |
1155 | lladdr->sll_hatype = tswap16(lladdr->sll_hatype); | |
1156 | } | |
53a5960a | 1157 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1158 | |
1159 | return 0; | |
7854b056 FB |
1160 | } |
1161 | ||
579a97f7 FB |
1162 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1163 | struct sockaddr *addr, | |
1164 | socklen_t len) | |
7854b056 | 1165 | { |
53a5960a PB |
1166 | struct target_sockaddr *target_saddr; |
1167 | ||
579a97f7 FB |
1168 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1169 | if (!target_saddr) | |
1170 | return -TARGET_EFAULT; | |
53a5960a PB |
1171 | memcpy(target_saddr, addr, len); |
1172 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1173 | unlock_user(target_saddr, target_addr, len); | |
579a97f7 FB |
1174 | |
1175 | return 0; | |
7854b056 FB |
1176 | } |
1177 | ||
5a4a898d FB |
1178 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1179 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1180 | { |
1181 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1182 | abi_long msg_controllen; |
1183 | abi_ulong target_cmsg_addr; | |
1184 | struct target_cmsghdr *target_cmsg; | |
7854b056 | 1185 | socklen_t space = 0; |
5a4a898d | 1186 | |
cbb21eed | 1187 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1188 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1189 | goto the_end; | |
cbb21eed | 1190 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d FB |
1191 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
1192 | if (!target_cmsg) | |
1193 | return -TARGET_EFAULT; | |
7854b056 FB |
1194 | |
1195 | while (cmsg && target_cmsg) { | |
1196 | void *data = CMSG_DATA(cmsg); | |
1197 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1198 | ||
cbb21eed | 1199 | int len = tswapal(target_cmsg->cmsg_len) |
7854b056 FB |
1200 | - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); |
1201 | ||
1202 | space += CMSG_SPACE(len); | |
1203 | if (space > msgh->msg_controllen) { | |
1204 | space -= CMSG_SPACE(len); | |
c2aeb258 PM |
1205 | /* This is a QEMU bug, since we allocated the payload |
1206 | * area ourselves (unlike overflow in host-to-target | |
1207 | * conversion, which is just the guest giving us a buffer | |
1208 | * that's too small). It can't happen for the payload types | |
1209 | * we currently support; if it becomes an issue in future | |
1210 | * we would need to improve our allocation strategy to | |
1211 | * something more intelligent than "twice the size of the | |
1212 | * target buffer we're reading from". | |
1213 | */ | |
31febb71 | 1214 | gemu_log("Host cmsg overflow\n"); |
7854b056 FB |
1215 | break; |
1216 | } | |
1217 | ||
dbf4f796 PJ |
1218 | if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) { |
1219 | cmsg->cmsg_level = SOL_SOCKET; | |
1220 | } else { | |
1221 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1222 | } | |
7854b056 FB |
1223 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1224 | cmsg->cmsg_len = CMSG_LEN(len); | |
1225 | ||
30b8b68e | 1226 | if (cmsg->cmsg_level == SOL_SOCKET && cmsg->cmsg_type == SCM_RIGHTS) { |
7854b056 FB |
1227 | int *fd = (int *)data; |
1228 | int *target_fd = (int *)target_data; | |
1229 | int i, numfds = len / sizeof(int); | |
1230 | ||
876e23cb PM |
1231 | for (i = 0; i < numfds; i++) { |
1232 | __get_user(fd[i], target_fd + i); | |
1233 | } | |
30b8b68e AS |
1234 | } else if (cmsg->cmsg_level == SOL_SOCKET |
1235 | && cmsg->cmsg_type == SCM_CREDENTIALS) { | |
1236 | struct ucred *cred = (struct ucred *)data; | |
1237 | struct target_ucred *target_cred = | |
1238 | (struct target_ucred *)target_data; | |
1239 | ||
876e23cb PM |
1240 | __get_user(cred->pid, &target_cred->pid); |
1241 | __get_user(cred->uid, &target_cred->uid); | |
1242 | __get_user(cred->gid, &target_cred->gid); | |
30b8b68e AS |
1243 | } else { |
1244 | gemu_log("Unsupported ancillary data: %d/%d\n", | |
1245 | cmsg->cmsg_level, cmsg->cmsg_type); | |
1246 | memcpy(data, target_data, len); | |
7854b056 FB |
1247 | } |
1248 | ||
1249 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
1250 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); | |
1251 | } | |
5a4a898d FB |
1252 | unlock_user(target_cmsg, target_cmsg_addr, 0); |
1253 | the_end: | |
7854b056 | 1254 | msgh->msg_controllen = space; |
5a4a898d | 1255 | return 0; |
7854b056 FB |
1256 | } |
1257 | ||
5a4a898d FB |
1258 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1259 | struct msghdr *msgh) | |
7854b056 FB |
1260 | { |
1261 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1262 | abi_long msg_controllen; |
1263 | abi_ulong target_cmsg_addr; | |
1264 | struct target_cmsghdr *target_cmsg; | |
7854b056 FB |
1265 | socklen_t space = 0; |
1266 | ||
cbb21eed | 1267 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1268 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1269 | goto the_end; | |
cbb21eed | 1270 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d FB |
1271 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
1272 | if (!target_cmsg) | |
1273 | return -TARGET_EFAULT; | |
1274 | ||
7854b056 FB |
1275 | while (cmsg && target_cmsg) { |
1276 | void *data = CMSG_DATA(cmsg); | |
1277 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1278 | ||
1279 | int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); | |
c2aeb258 | 1280 | int tgt_len, tgt_space; |
7854b056 | 1281 | |
c2aeb258 PM |
1282 | /* We never copy a half-header but may copy half-data; |
1283 | * this is Linux's behaviour in put_cmsg(). Note that | |
1284 | * truncation here is a guest problem (which we report | |
1285 | * to the guest via the CTRUNC bit), unlike truncation | |
1286 | * in target_to_host_cmsg, which is a QEMU bug. | |
1287 | */ | |
1288 | if (msg_controllen < sizeof(struct cmsghdr)) { | |
1289 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); | |
7854b056 FB |
1290 | break; |
1291 | } | |
1292 | ||
dbf4f796 PJ |
1293 | if (cmsg->cmsg_level == SOL_SOCKET) { |
1294 | target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); | |
1295 | } else { | |
1296 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1297 | } | |
7854b056 | 1298 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
7854b056 | 1299 | |
c2aeb258 PM |
1300 | tgt_len = TARGET_CMSG_LEN(len); |
1301 | ||
1302 | /* Payload types which need a different size of payload on | |
1303 | * the target must adjust tgt_len here. | |
1304 | */ | |
1305 | switch (cmsg->cmsg_level) { | |
1306 | case SOL_SOCKET: | |
1307 | switch (cmsg->cmsg_type) { | |
1308 | case SO_TIMESTAMP: | |
1309 | tgt_len = sizeof(struct target_timeval); | |
1310 | break; | |
1311 | default: | |
1312 | break; | |
1313 | } | |
1314 | default: | |
1315 | break; | |
1316 | } | |
1317 | ||
1318 | if (msg_controllen < tgt_len) { | |
1319 | target_msgh->msg_flags |= tswap32(MSG_CTRUNC); | |
1320 | tgt_len = msg_controllen; | |
1321 | } | |
1322 | ||
1323 | /* We must now copy-and-convert len bytes of payload | |
1324 | * into tgt_len bytes of destination space. Bear in mind | |
1325 | * that in both source and destination we may be dealing | |
1326 | * with a truncated value! | |
1327 | */ | |
52b65494 HD |
1328 | switch (cmsg->cmsg_level) { |
1329 | case SOL_SOCKET: | |
1330 | switch (cmsg->cmsg_type) { | |
1331 | case SCM_RIGHTS: | |
1332 | { | |
1333 | int *fd = (int *)data; | |
1334 | int *target_fd = (int *)target_data; | |
c2aeb258 | 1335 | int i, numfds = tgt_len / sizeof(int); |
52b65494 | 1336 | |
876e23cb PM |
1337 | for (i = 0; i < numfds; i++) { |
1338 | __put_user(fd[i], target_fd + i); | |
1339 | } | |
52b65494 HD |
1340 | break; |
1341 | } | |
1342 | case SO_TIMESTAMP: | |
1343 | { | |
1344 | struct timeval *tv = (struct timeval *)data; | |
1345 | struct target_timeval *target_tv = | |
1346 | (struct target_timeval *)target_data; | |
1347 | ||
c2aeb258 PM |
1348 | if (len != sizeof(struct timeval) || |
1349 | tgt_len != sizeof(struct target_timeval)) { | |
52b65494 | 1350 | goto unimplemented; |
c2aeb258 | 1351 | } |
52b65494 HD |
1352 | |
1353 | /* copy struct timeval to target */ | |
876e23cb PM |
1354 | __put_user(tv->tv_sec, &target_tv->tv_sec); |
1355 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
52b65494 HD |
1356 | break; |
1357 | } | |
4bc29756 HD |
1358 | case SCM_CREDENTIALS: |
1359 | { | |
1360 | struct ucred *cred = (struct ucred *)data; | |
1361 | struct target_ucred *target_cred = | |
1362 | (struct target_ucred *)target_data; | |
1363 | ||
1364 | __put_user(cred->pid, &target_cred->pid); | |
1365 | __put_user(cred->uid, &target_cred->uid); | |
1366 | __put_user(cred->gid, &target_cred->gid); | |
1367 | break; | |
1368 | } | |
52b65494 HD |
1369 | default: |
1370 | goto unimplemented; | |
1371 | } | |
1372 | break; | |
7854b056 | 1373 | |
52b65494 HD |
1374 | default: |
1375 | unimplemented: | |
aebf5bc7 JH |
1376 | gemu_log("Unsupported ancillary data: %d/%d\n", |
1377 | cmsg->cmsg_level, cmsg->cmsg_type); | |
c2aeb258 PM |
1378 | memcpy(target_data, data, MIN(len, tgt_len)); |
1379 | if (tgt_len > len) { | |
1380 | memset(target_data + len, 0, tgt_len - len); | |
1381 | } | |
7854b056 FB |
1382 | } |
1383 | ||
c2aeb258 PM |
1384 | target_cmsg->cmsg_len = tswapal(tgt_len); |
1385 | tgt_space = TARGET_CMSG_SPACE(tgt_len); | |
1386 | if (msg_controllen < tgt_space) { | |
1387 | tgt_space = msg_controllen; | |
1388 | } | |
1389 | msg_controllen -= tgt_space; | |
1390 | space += tgt_space; | |
7854b056 FB |
1391 | cmsg = CMSG_NXTHDR(msgh, cmsg); |
1392 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); | |
1393 | } | |
5a4a898d FB |
1394 | unlock_user(target_cmsg, target_cmsg_addr, space); |
1395 | the_end: | |
cbb21eed | 1396 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 1397 | return 0; |
7854b056 FB |
1398 | } |
1399 | ||
0da46a6e | 1400 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 1401 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 1402 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 1403 | { |
992f48a0 | 1404 | abi_long ret; |
32407103 | 1405 | int val; |
b975b83b | 1406 | struct ip_mreqn *ip_mreq; |
6e3cb58f | 1407 | struct ip_mreq_source *ip_mreq_source; |
3b46e624 | 1408 | |
8853f86e FB |
1409 | switch(level) { |
1410 | case SOL_TCP: | |
7854b056 | 1411 | /* TCP options all take an 'int' value. */ |
7854b056 | 1412 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 1413 | return -TARGET_EINVAL; |
3b46e624 | 1414 | |
2f619698 FB |
1415 | if (get_user_u32(val, optval_addr)) |
1416 | return -TARGET_EFAULT; | |
8853f86e FB |
1417 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
1418 | break; | |
1419 | case SOL_IP: | |
1420 | switch(optname) { | |
2efbe911 FB |
1421 | case IP_TOS: |
1422 | case IP_TTL: | |
8853f86e | 1423 | case IP_HDRINCL: |
2efbe911 FB |
1424 | case IP_ROUTER_ALERT: |
1425 | case IP_RECVOPTS: | |
1426 | case IP_RETOPTS: | |
1427 | case IP_PKTINFO: | |
1428 | case IP_MTU_DISCOVER: | |
1429 | case IP_RECVERR: | |
1430 | case IP_RECVTOS: | |
1431 | #ifdef IP_FREEBIND | |
1432 | case IP_FREEBIND: | |
1433 | #endif | |
1434 | case IP_MULTICAST_TTL: | |
1435 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
1436 | val = 0; |
1437 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
1438 | if (get_user_u32(val, optval_addr)) |
1439 | return -TARGET_EFAULT; | |
8853f86e | 1440 | } else if (optlen >= 1) { |
2f619698 FB |
1441 | if (get_user_u8(val, optval_addr)) |
1442 | return -TARGET_EFAULT; | |
8853f86e FB |
1443 | } |
1444 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
1445 | break; | |
b975b83b LL |
1446 | case IP_ADD_MEMBERSHIP: |
1447 | case IP_DROP_MEMBERSHIP: | |
1448 | if (optlen < sizeof (struct target_ip_mreq) || | |
1449 | optlen > sizeof (struct target_ip_mreqn)) | |
1450 | return -TARGET_EINVAL; | |
1451 | ||
1452 | ip_mreq = (struct ip_mreqn *) alloca(optlen); | |
1453 | target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); | |
1454 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); | |
1455 | break; | |
1456 | ||
6e3cb58f LL |
1457 | case IP_BLOCK_SOURCE: |
1458 | case IP_UNBLOCK_SOURCE: | |
1459 | case IP_ADD_SOURCE_MEMBERSHIP: | |
1460 | case IP_DROP_SOURCE_MEMBERSHIP: | |
1461 | if (optlen != sizeof (struct target_ip_mreq_source)) | |
1462 | return -TARGET_EINVAL; | |
1463 | ||
1464 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
1465 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); | |
1466 | unlock_user (ip_mreq_source, optval_addr, 0); | |
1467 | break; | |
1468 | ||
920394db JH |
1469 | default: |
1470 | goto unimplemented; | |
1471 | } | |
1472 | break; | |
0d78b3b5 LV |
1473 | case SOL_IPV6: |
1474 | switch (optname) { | |
1475 | case IPV6_MTU_DISCOVER: | |
1476 | case IPV6_MTU: | |
1477 | case IPV6_V6ONLY: | |
1478 | case IPV6_RECVPKTINFO: | |
1479 | val = 0; | |
1480 | if (optlen < sizeof(uint32_t)) { | |
1481 | return -TARGET_EINVAL; | |
1482 | } | |
1483 | if (get_user_u32(val, optval_addr)) { | |
1484 | return -TARGET_EFAULT; | |
1485 | } | |
1486 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1487 | &val, sizeof(val))); | |
1488 | break; | |
1489 | default: | |
1490 | goto unimplemented; | |
1491 | } | |
1492 | break; | |
920394db JH |
1493 | case SOL_RAW: |
1494 | switch (optname) { | |
1495 | case ICMP_FILTER: | |
1496 | /* struct icmp_filter takes an u32 value */ | |
1497 | if (optlen < sizeof(uint32_t)) { | |
1498 | return -TARGET_EINVAL; | |
1499 | } | |
1500 | ||
1501 | if (get_user_u32(val, optval_addr)) { | |
1502 | return -TARGET_EFAULT; | |
1503 | } | |
1504 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1505 | &val, sizeof(val))); | |
1506 | break; | |
1507 | ||
8853f86e FB |
1508 | default: |
1509 | goto unimplemented; | |
1510 | } | |
1511 | break; | |
3532fa74 | 1512 | case TARGET_SOL_SOCKET: |
8853f86e | 1513 | switch (optname) { |
1b09aeb9 LV |
1514 | case TARGET_SO_RCVTIMEO: |
1515 | { | |
1516 | struct timeval tv; | |
1517 | ||
1518 | optname = SO_RCVTIMEO; | |
1519 | ||
1520 | set_timeout: | |
1521 | if (optlen != sizeof(struct target_timeval)) { | |
1522 | return -TARGET_EINVAL; | |
1523 | } | |
1524 | ||
1525 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
1526 | return -TARGET_EFAULT; | |
1527 | } | |
1528 | ||
1529 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, | |
1530 | &tv, sizeof(tv))); | |
1531 | return ret; | |
1532 | } | |
1533 | case TARGET_SO_SNDTIMEO: | |
1534 | optname = SO_SNDTIMEO; | |
1535 | goto set_timeout; | |
f57d4192 LV |
1536 | case TARGET_SO_ATTACH_FILTER: |
1537 | { | |
1538 | struct target_sock_fprog *tfprog; | |
1539 | struct target_sock_filter *tfilter; | |
1540 | struct sock_fprog fprog; | |
1541 | struct sock_filter *filter; | |
1542 | int i; | |
1543 | ||
1544 | if (optlen != sizeof(*tfprog)) { | |
1545 | return -TARGET_EINVAL; | |
1546 | } | |
1547 | if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { | |
1548 | return -TARGET_EFAULT; | |
1549 | } | |
1550 | if (!lock_user_struct(VERIFY_READ, tfilter, | |
1551 | tswapal(tfprog->filter), 0)) { | |
1552 | unlock_user_struct(tfprog, optval_addr, 1); | |
1553 | return -TARGET_EFAULT; | |
1554 | } | |
1555 | ||
1556 | fprog.len = tswap16(tfprog->len); | |
1557 | filter = malloc(fprog.len * sizeof(*filter)); | |
1558 | if (filter == NULL) { | |
1559 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
1560 | unlock_user_struct(tfprog, optval_addr, 1); | |
1561 | return -TARGET_ENOMEM; | |
1562 | } | |
1563 | for (i = 0; i < fprog.len; i++) { | |
1564 | filter[i].code = tswap16(tfilter[i].code); | |
1565 | filter[i].jt = tfilter[i].jt; | |
1566 | filter[i].jf = tfilter[i].jf; | |
1567 | filter[i].k = tswap32(tfilter[i].k); | |
1568 | } | |
1569 | fprog.filter = filter; | |
1570 | ||
1571 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, | |
1572 | SO_ATTACH_FILTER, &fprog, sizeof(fprog))); | |
1573 | free(filter); | |
1574 | ||
1575 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
1576 | unlock_user_struct(tfprog, optval_addr, 1); | |
1577 | return ret; | |
1578 | } | |
451aaf68 JT |
1579 | case TARGET_SO_BINDTODEVICE: |
1580 | { | |
1581 | char *dev_ifname, *addr_ifname; | |
1582 | ||
1583 | if (optlen > IFNAMSIZ - 1) { | |
1584 | optlen = IFNAMSIZ - 1; | |
1585 | } | |
1586 | dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
1587 | if (!dev_ifname) { | |
1588 | return -TARGET_EFAULT; | |
1589 | } | |
1590 | optname = SO_BINDTODEVICE; | |
1591 | addr_ifname = alloca(IFNAMSIZ); | |
1592 | memcpy(addr_ifname, dev_ifname, optlen); | |
1593 | addr_ifname[optlen] = 0; | |
1594 | ret = get_errno(setsockopt(sockfd, level, optname, addr_ifname, optlen)); | |
1595 | unlock_user (dev_ifname, optval_addr, 0); | |
1596 | return ret; | |
1597 | } | |
8853f86e | 1598 | /* Options with 'int' argument. */ |
3532fa74 FB |
1599 | case TARGET_SO_DEBUG: |
1600 | optname = SO_DEBUG; | |
1601 | break; | |
1602 | case TARGET_SO_REUSEADDR: | |
1603 | optname = SO_REUSEADDR; | |
1604 | break; | |
1605 | case TARGET_SO_TYPE: | |
1606 | optname = SO_TYPE; | |
1607 | break; | |
1608 | case TARGET_SO_ERROR: | |
1609 | optname = SO_ERROR; | |
1610 | break; | |
1611 | case TARGET_SO_DONTROUTE: | |
1612 | optname = SO_DONTROUTE; | |
1613 | break; | |
1614 | case TARGET_SO_BROADCAST: | |
1615 | optname = SO_BROADCAST; | |
1616 | break; | |
1617 | case TARGET_SO_SNDBUF: | |
1618 | optname = SO_SNDBUF; | |
1619 | break; | |
d79b6cc4 PB |
1620 | case TARGET_SO_SNDBUFFORCE: |
1621 | optname = SO_SNDBUFFORCE; | |
1622 | break; | |
3532fa74 FB |
1623 | case TARGET_SO_RCVBUF: |
1624 | optname = SO_RCVBUF; | |
1625 | break; | |
d79b6cc4 PB |
1626 | case TARGET_SO_RCVBUFFORCE: |
1627 | optname = SO_RCVBUFFORCE; | |
1628 | break; | |
3532fa74 FB |
1629 | case TARGET_SO_KEEPALIVE: |
1630 | optname = SO_KEEPALIVE; | |
1631 | break; | |
1632 | case TARGET_SO_OOBINLINE: | |
1633 | optname = SO_OOBINLINE; | |
1634 | break; | |
1635 | case TARGET_SO_NO_CHECK: | |
1636 | optname = SO_NO_CHECK; | |
1637 | break; | |
1638 | case TARGET_SO_PRIORITY: | |
1639 | optname = SO_PRIORITY; | |
1640 | break; | |
5e83e8e3 | 1641 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
1642 | case TARGET_SO_BSDCOMPAT: |
1643 | optname = SO_BSDCOMPAT; | |
1644 | break; | |
5e83e8e3 | 1645 | #endif |
3532fa74 FB |
1646 | case TARGET_SO_PASSCRED: |
1647 | optname = SO_PASSCRED; | |
1648 | break; | |
82d0fe6b PB |
1649 | case TARGET_SO_PASSSEC: |
1650 | optname = SO_PASSSEC; | |
1651 | break; | |
3532fa74 FB |
1652 | case TARGET_SO_TIMESTAMP: |
1653 | optname = SO_TIMESTAMP; | |
1654 | break; | |
1655 | case TARGET_SO_RCVLOWAT: | |
1656 | optname = SO_RCVLOWAT; | |
1657 | break; | |
8853f86e FB |
1658 | break; |
1659 | default: | |
1660 | goto unimplemented; | |
1661 | } | |
3532fa74 | 1662 | if (optlen < sizeof(uint32_t)) |
2f619698 | 1663 | return -TARGET_EINVAL; |
3532fa74 | 1664 | |
2f619698 FB |
1665 | if (get_user_u32(val, optval_addr)) |
1666 | return -TARGET_EFAULT; | |
3532fa74 | 1667 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 1668 | break; |
7854b056 | 1669 | default: |
8853f86e | 1670 | unimplemented: |
b2bedb21 | 1671 | gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname); |
6fa13c17 | 1672 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 1673 | } |
8853f86e | 1674 | return ret; |
7854b056 FB |
1675 | } |
1676 | ||
0da46a6e | 1677 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 1678 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 1679 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 1680 | { |
992f48a0 | 1681 | abi_long ret; |
b55266b5 BS |
1682 | int len, val; |
1683 | socklen_t lv; | |
8853f86e FB |
1684 | |
1685 | switch(level) { | |
3532fa74 | 1686 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
1687 | level = SOL_SOCKET; |
1688 | switch (optname) { | |
1689 | /* These don't just return a single integer */ | |
1690 | case TARGET_SO_LINGER: | |
1691 | case TARGET_SO_RCVTIMEO: | |
1692 | case TARGET_SO_SNDTIMEO: | |
f3b974cd JL |
1693 | case TARGET_SO_PEERNAME: |
1694 | goto unimplemented; | |
583359a6 AP |
1695 | case TARGET_SO_PEERCRED: { |
1696 | struct ucred cr; | |
1697 | socklen_t crlen; | |
1698 | struct target_ucred *tcr; | |
1699 | ||
1700 | if (get_user_u32(len, optlen)) { | |
1701 | return -TARGET_EFAULT; | |
1702 | } | |
1703 | if (len < 0) { | |
1704 | return -TARGET_EINVAL; | |
1705 | } | |
1706 | ||
1707 | crlen = sizeof(cr); | |
1708 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
1709 | &cr, &crlen)); | |
1710 | if (ret < 0) { | |
1711 | return ret; | |
1712 | } | |
1713 | if (len > crlen) { | |
1714 | len = crlen; | |
1715 | } | |
1716 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
1717 | return -TARGET_EFAULT; | |
1718 | } | |
1719 | __put_user(cr.pid, &tcr->pid); | |
1720 | __put_user(cr.uid, &tcr->uid); | |
1721 | __put_user(cr.gid, &tcr->gid); | |
1722 | unlock_user_struct(tcr, optval_addr, 1); | |
1723 | if (put_user_u32(len, optlen)) { | |
1724 | return -TARGET_EFAULT; | |
1725 | } | |
1726 | break; | |
1727 | } | |
f3b974cd JL |
1728 | /* Options with 'int' argument. */ |
1729 | case TARGET_SO_DEBUG: | |
1730 | optname = SO_DEBUG; | |
1731 | goto int_case; | |
1732 | case TARGET_SO_REUSEADDR: | |
1733 | optname = SO_REUSEADDR; | |
1734 | goto int_case; | |
1735 | case TARGET_SO_TYPE: | |
1736 | optname = SO_TYPE; | |
1737 | goto int_case; | |
1738 | case TARGET_SO_ERROR: | |
1739 | optname = SO_ERROR; | |
1740 | goto int_case; | |
1741 | case TARGET_SO_DONTROUTE: | |
1742 | optname = SO_DONTROUTE; | |
1743 | goto int_case; | |
1744 | case TARGET_SO_BROADCAST: | |
1745 | optname = SO_BROADCAST; | |
1746 | goto int_case; | |
1747 | case TARGET_SO_SNDBUF: | |
1748 | optname = SO_SNDBUF; | |
1749 | goto int_case; | |
1750 | case TARGET_SO_RCVBUF: | |
1751 | optname = SO_RCVBUF; | |
1752 | goto int_case; | |
1753 | case TARGET_SO_KEEPALIVE: | |
1754 | optname = SO_KEEPALIVE; | |
1755 | goto int_case; | |
1756 | case TARGET_SO_OOBINLINE: | |
1757 | optname = SO_OOBINLINE; | |
1758 | goto int_case; | |
1759 | case TARGET_SO_NO_CHECK: | |
1760 | optname = SO_NO_CHECK; | |
1761 | goto int_case; | |
1762 | case TARGET_SO_PRIORITY: | |
1763 | optname = SO_PRIORITY; | |
1764 | goto int_case; | |
1765 | #ifdef SO_BSDCOMPAT | |
1766 | case TARGET_SO_BSDCOMPAT: | |
1767 | optname = SO_BSDCOMPAT; | |
1768 | goto int_case; | |
1769 | #endif | |
1770 | case TARGET_SO_PASSCRED: | |
1771 | optname = SO_PASSCRED; | |
1772 | goto int_case; | |
1773 | case TARGET_SO_TIMESTAMP: | |
1774 | optname = SO_TIMESTAMP; | |
1775 | goto int_case; | |
1776 | case TARGET_SO_RCVLOWAT: | |
1777 | optname = SO_RCVLOWAT; | |
1778 | goto int_case; | |
aec1ca41 PB |
1779 | case TARGET_SO_ACCEPTCONN: |
1780 | optname = SO_ACCEPTCONN; | |
1781 | goto int_case; | |
8853f86e | 1782 | default: |
2efbe911 FB |
1783 | goto int_case; |
1784 | } | |
1785 | break; | |
1786 | case SOL_TCP: | |
1787 | /* TCP options all take an 'int' value. */ | |
1788 | int_case: | |
2f619698 FB |
1789 | if (get_user_u32(len, optlen)) |
1790 | return -TARGET_EFAULT; | |
2efbe911 | 1791 | if (len < 0) |
0da46a6e | 1792 | return -TARGET_EINVAL; |
73160d95 | 1793 | lv = sizeof(lv); |
2efbe911 FB |
1794 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1795 | if (ret < 0) | |
1796 | return ret; | |
8289d112 PB |
1797 | if (optname == SO_TYPE) { |
1798 | val = host_to_target_sock_type(val); | |
1799 | } | |
2efbe911 FB |
1800 | if (len > lv) |
1801 | len = lv; | |
2f619698 FB |
1802 | if (len == 4) { |
1803 | if (put_user_u32(val, optval_addr)) | |
1804 | return -TARGET_EFAULT; | |
1805 | } else { | |
1806 | if (put_user_u8(val, optval_addr)) | |
1807 | return -TARGET_EFAULT; | |
f3b974cd | 1808 | } |
2f619698 FB |
1809 | if (put_user_u32(len, optlen)) |
1810 | return -TARGET_EFAULT; | |
2efbe911 FB |
1811 | break; |
1812 | case SOL_IP: | |
1813 | switch(optname) { | |
1814 | case IP_TOS: | |
1815 | case IP_TTL: | |
1816 | case IP_HDRINCL: | |
1817 | case IP_ROUTER_ALERT: | |
1818 | case IP_RECVOPTS: | |
1819 | case IP_RETOPTS: | |
1820 | case IP_PKTINFO: | |
1821 | case IP_MTU_DISCOVER: | |
1822 | case IP_RECVERR: | |
1823 | case IP_RECVTOS: | |
1824 | #ifdef IP_FREEBIND | |
1825 | case IP_FREEBIND: | |
1826 | #endif | |
1827 | case IP_MULTICAST_TTL: | |
1828 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
1829 | if (get_user_u32(len, optlen)) |
1830 | return -TARGET_EFAULT; | |
8853f86e | 1831 | if (len < 0) |
0da46a6e | 1832 | return -TARGET_EINVAL; |
73160d95 | 1833 | lv = sizeof(lv); |
8853f86e FB |
1834 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1835 | if (ret < 0) | |
1836 | return ret; | |
2efbe911 | 1837 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 1838 | len = 1; |
2f619698 FB |
1839 | if (put_user_u32(len, optlen) |
1840 | || put_user_u8(val, optval_addr)) | |
1841 | return -TARGET_EFAULT; | |
2efbe911 | 1842 | } else { |
2efbe911 FB |
1843 | if (len > sizeof(int)) |
1844 | len = sizeof(int); | |
2f619698 FB |
1845 | if (put_user_u32(len, optlen) |
1846 | || put_user_u32(val, optval_addr)) | |
1847 | return -TARGET_EFAULT; | |
2efbe911 | 1848 | } |
8853f86e | 1849 | break; |
2efbe911 | 1850 | default: |
c02f499e TS |
1851 | ret = -TARGET_ENOPROTOOPT; |
1852 | break; | |
8853f86e FB |
1853 | } |
1854 | break; | |
1855 | default: | |
1856 | unimplemented: | |
1857 | gemu_log("getsockopt level=%d optname=%d not yet supported\n", | |
1858 | level, optname); | |
c02f499e | 1859 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
1860 | break; |
1861 | } | |
1862 | return ret; | |
7854b056 FB |
1863 | } |
1864 | ||
f287b2c2 RH |
1865 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
1866 | int count, int copy) | |
53a5960a PB |
1867 | { |
1868 | struct target_iovec *target_vec; | |
f287b2c2 RH |
1869 | struct iovec *vec; |
1870 | abi_ulong total_len, max_len; | |
d732dcb4 | 1871 | int i; |
501bb4b0 | 1872 | int err = 0; |
29560a6c | 1873 | bool bad_address = false; |
53a5960a | 1874 | |
f287b2c2 RH |
1875 | if (count == 0) { |
1876 | errno = 0; | |
1877 | return NULL; | |
1878 | } | |
dfae8e00 | 1879 | if (count < 0 || count > IOV_MAX) { |
f287b2c2 RH |
1880 | errno = EINVAL; |
1881 | return NULL; | |
1882 | } | |
1883 | ||
1884 | vec = calloc(count, sizeof(struct iovec)); | |
1885 | if (vec == NULL) { | |
1886 | errno = ENOMEM; | |
1887 | return NULL; | |
1888 | } | |
1889 | ||
1890 | target_vec = lock_user(VERIFY_READ, target_addr, | |
1891 | count * sizeof(struct target_iovec), 1); | |
1892 | if (target_vec == NULL) { | |
501bb4b0 | 1893 | err = EFAULT; |
f287b2c2 RH |
1894 | goto fail2; |
1895 | } | |
1896 | ||
1897 | /* ??? If host page size > target page size, this will result in a | |
1898 | value larger than what we can actually support. */ | |
1899 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
1900 | total_len = 0; | |
1901 | ||
1902 | for (i = 0; i < count; i++) { | |
1903 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
1904 | abi_long len = tswapal(target_vec[i].iov_len); | |
1905 | ||
1906 | if (len < 0) { | |
501bb4b0 | 1907 | err = EINVAL; |
f287b2c2 RH |
1908 | goto fail; |
1909 | } else if (len == 0) { | |
1910 | /* Zero length pointer is ignored. */ | |
1911 | vec[i].iov_base = 0; | |
41df8411 | 1912 | } else { |
f287b2c2 | 1913 | vec[i].iov_base = lock_user(type, base, len, copy); |
29560a6c TM |
1914 | /* If the first buffer pointer is bad, this is a fault. But |
1915 | * subsequent bad buffers will result in a partial write; this | |
1916 | * is realized by filling the vector with null pointers and | |
1917 | * zero lengths. */ | |
f287b2c2 | 1918 | if (!vec[i].iov_base) { |
29560a6c TM |
1919 | if (i == 0) { |
1920 | err = EFAULT; | |
1921 | goto fail; | |
1922 | } else { | |
1923 | bad_address = true; | |
1924 | } | |
1925 | } | |
1926 | if (bad_address) { | |
1927 | len = 0; | |
f287b2c2 RH |
1928 | } |
1929 | if (len > max_len - total_len) { | |
1930 | len = max_len - total_len; | |
1931 | } | |
41df8411 | 1932 | } |
f287b2c2 RH |
1933 | vec[i].iov_len = len; |
1934 | total_len += len; | |
579a97f7 | 1935 | } |
f287b2c2 RH |
1936 | |
1937 | unlock_user(target_vec, target_addr, 0); | |
1938 | return vec; | |
1939 | ||
1940 | fail: | |
7eff518b CG |
1941 | while (--i >= 0) { |
1942 | if (tswapal(target_vec[i].iov_len) > 0) { | |
1943 | unlock_user(vec[i].iov_base, tswapal(target_vec[i].iov_base), 0); | |
1944 | } | |
1945 | } | |
f287b2c2 | 1946 | unlock_user(target_vec, target_addr, 0); |
501bb4b0 PM |
1947 | fail2: |
1948 | free(vec); | |
1949 | errno = err; | |
f287b2c2 | 1950 | return NULL; |
53a5960a PB |
1951 | } |
1952 | ||
f287b2c2 RH |
1953 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
1954 | int count, int copy) | |
53a5960a PB |
1955 | { |
1956 | struct target_iovec *target_vec; | |
53a5960a PB |
1957 | int i; |
1958 | ||
f287b2c2 RH |
1959 | target_vec = lock_user(VERIFY_READ, target_addr, |
1960 | count * sizeof(struct target_iovec), 1); | |
1961 | if (target_vec) { | |
1962 | for (i = 0; i < count; i++) { | |
1963 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
71ec7cef | 1964 | abi_long len = tswapal(target_vec[i].iov_len); |
f287b2c2 RH |
1965 | if (len < 0) { |
1966 | break; | |
1967 | } | |
d732dcb4 AZ |
1968 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
1969 | } | |
f287b2c2 | 1970 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 1971 | } |
579a97f7 | 1972 | |
f287b2c2 | 1973 | free(vec); |
53a5960a PB |
1974 | } |
1975 | ||
53d09b76 | 1976 | static inline int target_to_host_sock_type(int *type) |
3532fa74 | 1977 | { |
f651e6ae PJ |
1978 | int host_type = 0; |
1979 | int target_type = *type; | |
1980 | ||
1981 | switch (target_type & TARGET_SOCK_TYPE_MASK) { | |
3532fa74 | 1982 | case TARGET_SOCK_DGRAM: |
f651e6ae | 1983 | host_type = SOCK_DGRAM; |
3532fa74 FB |
1984 | break; |
1985 | case TARGET_SOCK_STREAM: | |
f651e6ae | 1986 | host_type = SOCK_STREAM; |
3532fa74 | 1987 | break; |
f651e6ae PJ |
1988 | default: |
1989 | host_type = target_type & TARGET_SOCK_TYPE_MASK; | |
3532fa74 FB |
1990 | break; |
1991 | } | |
f651e6ae | 1992 | if (target_type & TARGET_SOCK_CLOEXEC) { |
53d09b76 | 1993 | #if defined(SOCK_CLOEXEC) |
f651e6ae | 1994 | host_type |= SOCK_CLOEXEC; |
53d09b76 EI |
1995 | #else |
1996 | return -TARGET_EINVAL; | |
1997 | #endif | |
f651e6ae PJ |
1998 | } |
1999 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
53d09b76 | 2000 | #if defined(SOCK_NONBLOCK) |
f651e6ae | 2001 | host_type |= SOCK_NONBLOCK; |
53d09b76 EI |
2002 | #elif !defined(O_NONBLOCK) |
2003 | return -TARGET_EINVAL; | |
2004 | #endif | |
f651e6ae PJ |
2005 | } |
2006 | *type = host_type; | |
53d09b76 EI |
2007 | return 0; |
2008 | } | |
2009 | ||
2010 | /* Try to emulate socket type flags after socket creation. */ | |
2011 | static int sock_flags_fixup(int fd, int target_type) | |
2012 | { | |
2013 | #if !defined(SOCK_NONBLOCK) && defined(O_NONBLOCK) | |
2014 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
2015 | int flags = fcntl(fd, F_GETFL); | |
2016 | if (fcntl(fd, F_SETFL, O_NONBLOCK | flags) == -1) { | |
2017 | close(fd); | |
2018 | return -TARGET_EINVAL; | |
2019 | } | |
2020 | } | |
2021 | #endif | |
2022 | return fd; | |
f651e6ae PJ |
2023 | } |
2024 | ||
2025 | /* do_socket() Must return target values and target errnos. */ | |
2026 | static abi_long do_socket(int domain, int type, int protocol) | |
2027 | { | |
53d09b76 EI |
2028 | int target_type = type; |
2029 | int ret; | |
2030 | ||
2031 | ret = target_to_host_sock_type(&type); | |
2032 | if (ret) { | |
2033 | return ret; | |
2034 | } | |
f651e6ae | 2035 | |
12bc92ab | 2036 | if (domain == PF_NETLINK) |
480eda2e | 2037 | return -TARGET_EAFNOSUPPORT; |
53d09b76 EI |
2038 | ret = get_errno(socket(domain, type, protocol)); |
2039 | if (ret >= 0) { | |
2040 | ret = sock_flags_fixup(ret, target_type); | |
2041 | } | |
2042 | return ret; | |
3532fa74 FB |
2043 | } |
2044 | ||
0da46a6e | 2045 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
2046 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
2047 | socklen_t addrlen) | |
3532fa74 | 2048 | { |
8f7aeaf6 | 2049 | void *addr; |
917507b0 | 2050 | abi_long ret; |
8f7aeaf6 | 2051 | |
38724253 | 2052 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2053 | return -TARGET_EINVAL; |
38724253 | 2054 | } |
8f7aeaf6 | 2055 | |
607175e0 | 2056 | addr = alloca(addrlen+1); |
3b46e624 | 2057 | |
917507b0 AP |
2058 | ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
2059 | if (ret) | |
2060 | return ret; | |
2061 | ||
3532fa74 FB |
2062 | return get_errno(bind(sockfd, addr, addrlen)); |
2063 | } | |
2064 | ||
0da46a6e | 2065 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
2066 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
2067 | socklen_t addrlen) | |
3532fa74 | 2068 | { |
8f7aeaf6 | 2069 | void *addr; |
917507b0 | 2070 | abi_long ret; |
8f7aeaf6 | 2071 | |
38724253 | 2072 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2073 | return -TARGET_EINVAL; |
38724253 | 2074 | } |
8f7aeaf6 | 2075 | |
2dd08dfd | 2076 | addr = alloca(addrlen+1); |
3b46e624 | 2077 | |
917507b0 AP |
2078 | ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
2079 | if (ret) | |
2080 | return ret; | |
2081 | ||
3532fa74 FB |
2082 | return get_errno(connect(sockfd, addr, addrlen)); |
2083 | } | |
2084 | ||
f19e00d7 AG |
2085 | /* do_sendrecvmsg_locked() Must return target values and target errnos. */ |
2086 | static abi_long do_sendrecvmsg_locked(int fd, struct target_msghdr *msgp, | |
2087 | int flags, int send) | |
3532fa74 | 2088 | { |
6de645c7 | 2089 | abi_long ret, len; |
3532fa74 FB |
2090 | struct msghdr msg; |
2091 | int count; | |
2092 | struct iovec *vec; | |
992f48a0 | 2093 | abi_ulong target_vec; |
3532fa74 | 2094 | |
3532fa74 FB |
2095 | if (msgp->msg_name) { |
2096 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
2dd08dfd | 2097 | msg.msg_name = alloca(msg.msg_namelen+1); |
cbb21eed | 2098 | ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name), |
3532fa74 | 2099 | msg.msg_namelen); |
917507b0 | 2100 | if (ret) { |
f287b2c2 | 2101 | goto out2; |
917507b0 | 2102 | } |
3532fa74 FB |
2103 | } else { |
2104 | msg.msg_name = NULL; | |
2105 | msg.msg_namelen = 0; | |
2106 | } | |
cbb21eed | 2107 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 FB |
2108 | msg.msg_control = alloca(msg.msg_controllen); |
2109 | msg.msg_flags = tswap32(msgp->msg_flags); | |
3b46e624 | 2110 | |
cbb21eed | 2111 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 2112 | target_vec = tswapal(msgp->msg_iov); |
f287b2c2 RH |
2113 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
2114 | target_vec, count, send); | |
2115 | if (vec == NULL) { | |
2116 | ret = -host_to_target_errno(errno); | |
2117 | goto out2; | |
2118 | } | |
3532fa74 FB |
2119 | msg.msg_iovlen = count; |
2120 | msg.msg_iov = vec; | |
3b46e624 | 2121 | |
3532fa74 | 2122 | if (send) { |
5a4a898d FB |
2123 | ret = target_to_host_cmsg(&msg, msgp); |
2124 | if (ret == 0) | |
2125 | ret = get_errno(sendmsg(fd, &msg, flags)); | |
3532fa74 FB |
2126 | } else { |
2127 | ret = get_errno(recvmsg(fd, &msg, flags)); | |
6de645c7 AZ |
2128 | if (!is_error(ret)) { |
2129 | len = ret; | |
5a4a898d | 2130 | ret = host_to_target_cmsg(msgp, &msg); |
ca619067 JH |
2131 | if (!is_error(ret)) { |
2132 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
2133 | if (msg.msg_name != NULL) { | |
2134 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), | |
2135 | msg.msg_name, msg.msg_namelen); | |
2136 | if (ret) { | |
2137 | goto out; | |
2138 | } | |
2139 | } | |
2140 | ||
6de645c7 | 2141 | ret = len; |
ca619067 | 2142 | } |
6de645c7 | 2143 | } |
3532fa74 | 2144 | } |
ca619067 JH |
2145 | |
2146 | out: | |
3532fa74 | 2147 | unlock_iovec(vec, target_vec, count, !send); |
f287b2c2 | 2148 | out2: |
f19e00d7 AG |
2149 | return ret; |
2150 | } | |
2151 | ||
2152 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, | |
2153 | int flags, int send) | |
2154 | { | |
2155 | abi_long ret; | |
2156 | struct target_msghdr *msgp; | |
2157 | ||
2158 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
2159 | msgp, | |
2160 | target_msg, | |
2161 | send ? 1 : 0)) { | |
2162 | return -TARGET_EFAULT; | |
2163 | } | |
2164 | ret = do_sendrecvmsg_locked(fd, msgp, flags, send); | |
579a97f7 | 2165 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
2166 | return ret; |
2167 | } | |
2168 | ||
f19e00d7 AG |
2169 | #ifdef TARGET_NR_sendmmsg |
2170 | /* We don't rely on the C library to have sendmmsg/recvmmsg support, | |
2171 | * so it might not have this *mmsg-specific flag either. | |
2172 | */ | |
2173 | #ifndef MSG_WAITFORONE | |
2174 | #define MSG_WAITFORONE 0x10000 | |
2175 | #endif | |
2176 | ||
2177 | static abi_long do_sendrecvmmsg(int fd, abi_ulong target_msgvec, | |
2178 | unsigned int vlen, unsigned int flags, | |
2179 | int send) | |
2180 | { | |
2181 | struct target_mmsghdr *mmsgp; | |
2182 | abi_long ret = 0; | |
2183 | int i; | |
2184 | ||
2185 | if (vlen > UIO_MAXIOV) { | |
2186 | vlen = UIO_MAXIOV; | |
2187 | } | |
2188 | ||
2189 | mmsgp = lock_user(VERIFY_WRITE, target_msgvec, sizeof(*mmsgp) * vlen, 1); | |
2190 | if (!mmsgp) { | |
2191 | return -TARGET_EFAULT; | |
2192 | } | |
2193 | ||
2194 | for (i = 0; i < vlen; i++) { | |
2195 | ret = do_sendrecvmsg_locked(fd, &mmsgp[i].msg_hdr, flags, send); | |
2196 | if (is_error(ret)) { | |
2197 | break; | |
2198 | } | |
2199 | mmsgp[i].msg_len = tswap32(ret); | |
2200 | /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */ | |
2201 | if (flags & MSG_WAITFORONE) { | |
2202 | flags |= MSG_DONTWAIT; | |
2203 | } | |
2204 | } | |
2205 | ||
2206 | unlock_user(mmsgp, target_msgvec, sizeof(*mmsgp) * i); | |
2207 | ||
2208 | /* Return number of datagrams sent if we sent any at all; | |
2209 | * otherwise return the error. | |
2210 | */ | |
2211 | if (i) { | |
2212 | return i; | |
2213 | } | |
2214 | return ret; | |
2215 | } | |
2216 | #endif | |
2217 | ||
a94b4987 PM |
2218 | /* If we don't have a system accept4() then just call accept. |
2219 | * The callsites to do_accept4() will ensure that they don't | |
2220 | * pass a non-zero flags argument in this config. | |
2221 | */ | |
2222 | #ifndef CONFIG_ACCEPT4 | |
2223 | static inline int accept4(int sockfd, struct sockaddr *addr, | |
2224 | socklen_t *addrlen, int flags) | |
2225 | { | |
2226 | assert(flags == 0); | |
2227 | return accept(sockfd, addr, addrlen); | |
2228 | } | |
2229 | #endif | |
2230 | ||
2231 | /* do_accept4() Must return target values and target errnos. */ | |
2232 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
2233 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 2234 | { |
2f619698 FB |
2235 | socklen_t addrlen; |
2236 | void *addr; | |
992f48a0 | 2237 | abi_long ret; |
d25295d4 PJ |
2238 | int host_flags; |
2239 | ||
2240 | host_flags = target_to_host_bitmask(flags, fcntl_flags_tbl); | |
1be9e1dc | 2241 | |
a94b4987 | 2242 | if (target_addr == 0) { |
d25295d4 | 2243 | return get_errno(accept4(fd, NULL, NULL, host_flags)); |
a94b4987 | 2244 | } |
917507b0 AP |
2245 | |
2246 | /* linux returns EINVAL if addrlen pointer is invalid */ | |
2f619698 | 2247 | if (get_user_u32(addrlen, target_addrlen_addr)) |
917507b0 | 2248 | return -TARGET_EINVAL; |
2f619698 | 2249 | |
38724253 | 2250 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2251 | return -TARGET_EINVAL; |
38724253 | 2252 | } |
8f7aeaf6 | 2253 | |
917507b0 AP |
2254 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2255 | return -TARGET_EINVAL; | |
2256 | ||
2f619698 FB |
2257 | addr = alloca(addrlen); |
2258 | ||
d25295d4 | 2259 | ret = get_errno(accept4(fd, addr, &addrlen, host_flags)); |
1be9e1dc PB |
2260 | if (!is_error(ret)) { |
2261 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2262 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2263 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2264 | } |
2265 | return ret; | |
2266 | } | |
2267 | ||
0da46a6e | 2268 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 2269 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 2270 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2271 | { |
2f619698 FB |
2272 | socklen_t addrlen; |
2273 | void *addr; | |
992f48a0 | 2274 | abi_long ret; |
1be9e1dc | 2275 | |
2f619698 FB |
2276 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2277 | return -TARGET_EFAULT; | |
2278 | ||
38724253 | 2279 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2280 | return -TARGET_EINVAL; |
38724253 | 2281 | } |
8f7aeaf6 | 2282 | |
917507b0 AP |
2283 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2284 | return -TARGET_EFAULT; | |
2285 | ||
2f619698 FB |
2286 | addr = alloca(addrlen); |
2287 | ||
1be9e1dc PB |
2288 | ret = get_errno(getpeername(fd, addr, &addrlen)); |
2289 | if (!is_error(ret)) { | |
2290 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2291 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2292 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2293 | } |
2294 | return ret; | |
2295 | } | |
2296 | ||
0da46a6e | 2297 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 2298 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 2299 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2300 | { |
2f619698 FB |
2301 | socklen_t addrlen; |
2302 | void *addr; | |
992f48a0 | 2303 | abi_long ret; |
1be9e1dc | 2304 | |
2f619698 FB |
2305 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2306 | return -TARGET_EFAULT; | |
2307 | ||
38724253 | 2308 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2309 | return -TARGET_EINVAL; |
38724253 | 2310 | } |
8f7aeaf6 | 2311 | |
917507b0 AP |
2312 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2313 | return -TARGET_EFAULT; | |
2314 | ||
2f619698 FB |
2315 | addr = alloca(addrlen); |
2316 | ||
1be9e1dc PB |
2317 | ret = get_errno(getsockname(fd, addr, &addrlen)); |
2318 | if (!is_error(ret)) { | |
2319 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2320 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2321 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2322 | } |
2323 | return ret; | |
2324 | } | |
2325 | ||
0da46a6e | 2326 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 2327 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 2328 | abi_ulong target_tab_addr) |
1be9e1dc PB |
2329 | { |
2330 | int tab[2]; | |
992f48a0 | 2331 | abi_long ret; |
1be9e1dc | 2332 | |
f651e6ae PJ |
2333 | target_to_host_sock_type(&type); |
2334 | ||
1be9e1dc PB |
2335 | ret = get_errno(socketpair(domain, type, protocol, tab)); |
2336 | if (!is_error(ret)) { | |
2f619698 FB |
2337 | if (put_user_s32(tab[0], target_tab_addr) |
2338 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
2339 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2340 | } |
2341 | return ret; | |
2342 | } | |
2343 | ||
0da46a6e | 2344 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
2345 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
2346 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
2347 | { |
2348 | void *addr; | |
2349 | void *host_msg; | |
992f48a0 | 2350 | abi_long ret; |
1be9e1dc | 2351 | |
38724253 | 2352 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2353 | return -TARGET_EINVAL; |
38724253 | 2354 | } |
8f7aeaf6 | 2355 | |
579a97f7 FB |
2356 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
2357 | if (!host_msg) | |
2358 | return -TARGET_EFAULT; | |
1be9e1dc | 2359 | if (target_addr) { |
2dd08dfd | 2360 | addr = alloca(addrlen+1); |
917507b0 AP |
2361 | ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
2362 | if (ret) { | |
2363 | unlock_user(host_msg, msg, 0); | |
2364 | return ret; | |
2365 | } | |
1be9e1dc PB |
2366 | ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); |
2367 | } else { | |
2368 | ret = get_errno(send(fd, host_msg, len, flags)); | |
2369 | } | |
2370 | unlock_user(host_msg, msg, 0); | |
2371 | return ret; | |
2372 | } | |
2373 | ||
0da46a6e | 2374 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
2375 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
2376 | abi_ulong target_addr, | |
2377 | abi_ulong target_addrlen) | |
1be9e1dc PB |
2378 | { |
2379 | socklen_t addrlen; | |
2380 | void *addr; | |
2381 | void *host_msg; | |
992f48a0 | 2382 | abi_long ret; |
1be9e1dc | 2383 | |
579a97f7 FB |
2384 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); |
2385 | if (!host_msg) | |
2386 | return -TARGET_EFAULT; | |
1be9e1dc | 2387 | if (target_addr) { |
2f619698 FB |
2388 | if (get_user_u32(addrlen, target_addrlen)) { |
2389 | ret = -TARGET_EFAULT; | |
2390 | goto fail; | |
2391 | } | |
38724253 | 2392 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
2393 | ret = -TARGET_EINVAL; |
2394 | goto fail; | |
2395 | } | |
1be9e1dc PB |
2396 | addr = alloca(addrlen); |
2397 | ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); | |
2398 | } else { | |
2399 | addr = NULL; /* To keep compiler quiet. */ | |
00aa0040 | 2400 | ret = get_errno(qemu_recv(fd, host_msg, len, flags)); |
1be9e1dc PB |
2401 | } |
2402 | if (!is_error(ret)) { | |
2403 | if (target_addr) { | |
2404 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2405 | if (put_user_u32(addrlen, target_addrlen)) { |
2406 | ret = -TARGET_EFAULT; | |
2407 | goto fail; | |
2408 | } | |
1be9e1dc PB |
2409 | } |
2410 | unlock_user(host_msg, msg, len); | |
2411 | } else { | |
2f619698 | 2412 | fail: |
1be9e1dc PB |
2413 | unlock_user(host_msg, msg, 0); |
2414 | } | |
2415 | return ret; | |
2416 | } | |
2417 | ||
32407103 | 2418 | #ifdef TARGET_NR_socketcall |
0da46a6e | 2419 | /* do_socketcall() Must return target values and target errnos. */ |
992f48a0 | 2420 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 2421 | { |
62dc90c6 MT |
2422 | static const unsigned ac[] = { /* number of arguments per call */ |
2423 | [SOCKOP_socket] = 3, /* domain, type, protocol */ | |
2424 | [SOCKOP_bind] = 3, /* sockfd, addr, addrlen */ | |
2425 | [SOCKOP_connect] = 3, /* sockfd, addr, addrlen */ | |
2426 | [SOCKOP_listen] = 2, /* sockfd, backlog */ | |
2427 | [SOCKOP_accept] = 3, /* sockfd, addr, addrlen */ | |
2428 | [SOCKOP_accept4] = 4, /* sockfd, addr, addrlen, flags */ | |
2429 | [SOCKOP_getsockname] = 3, /* sockfd, addr, addrlen */ | |
2430 | [SOCKOP_getpeername] = 3, /* sockfd, addr, addrlen */ | |
2431 | [SOCKOP_socketpair] = 4, /* domain, type, protocol, tab */ | |
2432 | [SOCKOP_send] = 4, /* sockfd, msg, len, flags */ | |
2433 | [SOCKOP_recv] = 4, /* sockfd, msg, len, flags */ | |
2434 | [SOCKOP_sendto] = 6, /* sockfd, msg, len, flags, addr, addrlen */ | |
2435 | [SOCKOP_recvfrom] = 6, /* sockfd, msg, len, flags, addr, addrlen */ | |
2436 | [SOCKOP_shutdown] = 2, /* sockfd, how */ | |
2437 | [SOCKOP_sendmsg] = 3, /* sockfd, msg, flags */ | |
2438 | [SOCKOP_recvmsg] = 3, /* sockfd, msg, flags */ | |
2439 | [SOCKOP_setsockopt] = 5, /* sockfd, level, optname, optval, optlen */ | |
2440 | [SOCKOP_getsockopt] = 5, /* sockfd, level, optname, optval, optlen */ | |
2441 | }; | |
2442 | abi_long a[6]; /* max 6 args */ | |
2443 | ||
2444 | /* first, collect the arguments in a[] according to ac[] */ | |
2445 | if (num >= 0 && num < ARRAY_SIZE(ac)) { | |
2446 | unsigned i; | |
2447 | assert(ARRAY_SIZE(a) >= ac[num]); /* ensure we have space for args */ | |
2448 | for (i = 0; i < ac[num]; ++i) { | |
2449 | if (get_user_ual(a[i], vptr + i * sizeof(abi_long)) != 0) { | |
b9d36eb2 AH |
2450 | return -TARGET_EFAULT; |
2451 | } | |
31e31b8a | 2452 | } |
62dc90c6 | 2453 | } |
7854b056 | 2454 | |
62dc90c6 MT |
2455 | /* now when we have the args, actually handle the call */ |
2456 | switch (num) { | |
2457 | case SOCKOP_socket: /* domain, type, protocol */ | |
2458 | return do_socket(a[0], a[1], a[2]); | |
2459 | case SOCKOP_bind: /* sockfd, addr, addrlen */ | |
2460 | return do_bind(a[0], a[1], a[2]); | |
2461 | case SOCKOP_connect: /* sockfd, addr, addrlen */ | |
2462 | return do_connect(a[0], a[1], a[2]); | |
2463 | case SOCKOP_listen: /* sockfd, backlog */ | |
2464 | return get_errno(listen(a[0], a[1])); | |
2465 | case SOCKOP_accept: /* sockfd, addr, addrlen */ | |
2466 | return do_accept4(a[0], a[1], a[2], 0); | |
2467 | case SOCKOP_accept4: /* sockfd, addr, addrlen, flags */ | |
2468 | return do_accept4(a[0], a[1], a[2], a[3]); | |
2469 | case SOCKOP_getsockname: /* sockfd, addr, addrlen */ | |
2470 | return do_getsockname(a[0], a[1], a[2]); | |
2471 | case SOCKOP_getpeername: /* sockfd, addr, addrlen */ | |
2472 | return do_getpeername(a[0], a[1], a[2]); | |
2473 | case SOCKOP_socketpair: /* domain, type, protocol, tab */ | |
2474 | return do_socketpair(a[0], a[1], a[2], a[3]); | |
2475 | case SOCKOP_send: /* sockfd, msg, len, flags */ | |
2476 | return do_sendto(a[0], a[1], a[2], a[3], 0, 0); | |
2477 | case SOCKOP_recv: /* sockfd, msg, len, flags */ | |
2478 | return do_recvfrom(a[0], a[1], a[2], a[3], 0, 0); | |
2479 | case SOCKOP_sendto: /* sockfd, msg, len, flags, addr, addrlen */ | |
2480 | return do_sendto(a[0], a[1], a[2], a[3], a[4], a[5]); | |
2481 | case SOCKOP_recvfrom: /* sockfd, msg, len, flags, addr, addrlen */ | |
2482 | return do_recvfrom(a[0], a[1], a[2], a[3], a[4], a[5]); | |
2483 | case SOCKOP_shutdown: /* sockfd, how */ | |
2484 | return get_errno(shutdown(a[0], a[1])); | |
2485 | case SOCKOP_sendmsg: /* sockfd, msg, flags */ | |
2486 | return do_sendrecvmsg(a[0], a[1], a[2], 1); | |
2487 | case SOCKOP_recvmsg: /* sockfd, msg, flags */ | |
2488 | return do_sendrecvmsg(a[0], a[1], a[2], 0); | |
2489 | case SOCKOP_setsockopt: /* sockfd, level, optname, optval, optlen */ | |
2490 | return do_setsockopt(a[0], a[1], a[2], a[3], a[4]); | |
2491 | case SOCKOP_getsockopt: /* sockfd, level, optname, optval, optlen */ | |
2492 | return do_getsockopt(a[0], a[1], a[2], a[3], a[4]); | |
31e31b8a FB |
2493 | default: |
2494 | gemu_log("Unsupported socketcall: %d\n", num); | |
62dc90c6 | 2495 | return -TARGET_ENOSYS; |
31e31b8a | 2496 | } |
31e31b8a | 2497 | } |
32407103 | 2498 | #endif |
31e31b8a | 2499 | |
8853f86e FB |
2500 | #define N_SHM_REGIONS 32 |
2501 | ||
2502 | static struct shm_region { | |
5a4a898d FB |
2503 | abi_ulong start; |
2504 | abi_ulong size; | |
8853f86e FB |
2505 | } shm_regions[N_SHM_REGIONS]; |
2506 | ||
3eb6b044 TS |
2507 | struct target_semid_ds |
2508 | { | |
2509 | struct target_ipc_perm sem_perm; | |
992f48a0 | 2510 | abi_ulong sem_otime; |
03527344 | 2511 | #if !defined(TARGET_PPC64) |
992f48a0 | 2512 | abi_ulong __unused1; |
03527344 | 2513 | #endif |
992f48a0 | 2514 | abi_ulong sem_ctime; |
03527344 | 2515 | #if !defined(TARGET_PPC64) |
992f48a0 | 2516 | abi_ulong __unused2; |
03527344 | 2517 | #endif |
992f48a0 BS |
2518 | abi_ulong sem_nsems; |
2519 | abi_ulong __unused3; | |
2520 | abi_ulong __unused4; | |
3eb6b044 TS |
2521 | }; |
2522 | ||
579a97f7 FB |
2523 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
2524 | abi_ulong target_addr) | |
3eb6b044 TS |
2525 | { |
2526 | struct target_ipc_perm *target_ip; | |
2527 | struct target_semid_ds *target_sd; | |
2528 | ||
579a97f7 FB |
2529 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2530 | return -TARGET_EFAULT; | |
e8bbe36c | 2531 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
2532 | host_ip->__key = tswap32(target_ip->__key); |
2533 | host_ip->uid = tswap32(target_ip->uid); | |
2534 | host_ip->gid = tswap32(target_ip->gid); | |
2535 | host_ip->cuid = tswap32(target_ip->cuid); | |
2536 | host_ip->cgid = tswap32(target_ip->cgid); | |
2537 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
2538 | host_ip->mode = tswap32(target_ip->mode); | |
2539 | #else | |
cbb21eed | 2540 | host_ip->mode = tswap16(target_ip->mode); |
55a2b163 PJ |
2541 | #endif |
2542 | #if defined(TARGET_PPC) | |
2543 | host_ip->__seq = tswap32(target_ip->__seq); | |
2544 | #else | |
2545 | host_ip->__seq = tswap16(target_ip->__seq); | |
2546 | #endif | |
3eb6b044 | 2547 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 2548 | return 0; |
3eb6b044 TS |
2549 | } |
2550 | ||
579a97f7 FB |
2551 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
2552 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
2553 | { |
2554 | struct target_ipc_perm *target_ip; | |
2555 | struct target_semid_ds *target_sd; | |
2556 | ||
579a97f7 FB |
2557 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2558 | return -TARGET_EFAULT; | |
3eb6b044 | 2559 | target_ip = &(target_sd->sem_perm); |
55a2b163 PJ |
2560 | target_ip->__key = tswap32(host_ip->__key); |
2561 | target_ip->uid = tswap32(host_ip->uid); | |
2562 | target_ip->gid = tswap32(host_ip->gid); | |
2563 | target_ip->cuid = tswap32(host_ip->cuid); | |
2564 | target_ip->cgid = tswap32(host_ip->cgid); | |
2565 | #if defined(TARGET_ALPHA) || defined(TARGET_MIPS) || defined(TARGET_PPC) | |
2566 | target_ip->mode = tswap32(host_ip->mode); | |
2567 | #else | |
cbb21eed | 2568 | target_ip->mode = tswap16(host_ip->mode); |
55a2b163 PJ |
2569 | #endif |
2570 | #if defined(TARGET_PPC) | |
2571 | target_ip->__seq = tswap32(host_ip->__seq); | |
2572 | #else | |
2573 | target_ip->__seq = tswap16(host_ip->__seq); | |
2574 | #endif | |
3eb6b044 | 2575 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 2576 | return 0; |
3eb6b044 TS |
2577 | } |
2578 | ||
579a97f7 FB |
2579 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
2580 | abi_ulong target_addr) | |
3eb6b044 TS |
2581 | { |
2582 | struct target_semid_ds *target_sd; | |
2583 | ||
579a97f7 FB |
2584 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2585 | return -TARGET_EFAULT; | |
e5289087 AJ |
2586 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
2587 | return -TARGET_EFAULT; | |
cbb21eed MB |
2588 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
2589 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
2590 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 2591 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 2592 | return 0; |
3eb6b044 TS |
2593 | } |
2594 | ||
579a97f7 FB |
2595 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
2596 | struct semid_ds *host_sd) | |
3eb6b044 TS |
2597 | { |
2598 | struct target_semid_ds *target_sd; | |
2599 | ||
579a97f7 FB |
2600 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2601 | return -TARGET_EFAULT; | |
e5289087 | 2602 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 2603 | return -TARGET_EFAULT; |
cbb21eed MB |
2604 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
2605 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
2606 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 2607 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 2608 | return 0; |
3eb6b044 TS |
2609 | } |
2610 | ||
e5289087 AJ |
2611 | struct target_seminfo { |
2612 | int semmap; | |
2613 | int semmni; | |
2614 | int semmns; | |
2615 | int semmnu; | |
2616 | int semmsl; | |
2617 | int semopm; | |
2618 | int semume; | |
2619 | int semusz; | |
2620 | int semvmx; | |
2621 | int semaem; | |
2622 | }; | |
2623 | ||
2624 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
2625 | struct seminfo *host_seminfo) | |
2626 | { | |
2627 | struct target_seminfo *target_seminfo; | |
2628 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
2629 | return -TARGET_EFAULT; | |
2630 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
2631 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
2632 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
2633 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
2634 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
2635 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
2636 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
2637 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
2638 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
2639 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
2640 | unlock_user_struct(target_seminfo, target_addr, 1); | |
2641 | return 0; | |
2642 | } | |
2643 | ||
fa294816 TS |
2644 | union semun { |
2645 | int val; | |
3eb6b044 | 2646 | struct semid_ds *buf; |
fa294816 | 2647 | unsigned short *array; |
e5289087 | 2648 | struct seminfo *__buf; |
fa294816 TS |
2649 | }; |
2650 | ||
3eb6b044 TS |
2651 | union target_semun { |
2652 | int val; | |
e5289087 AJ |
2653 | abi_ulong buf; |
2654 | abi_ulong array; | |
2655 | abi_ulong __buf; | |
3eb6b044 TS |
2656 | }; |
2657 | ||
e5289087 AJ |
2658 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
2659 | abi_ulong target_addr) | |
3eb6b044 | 2660 | { |
e5289087 AJ |
2661 | int nsems; |
2662 | unsigned short *array; | |
2663 | union semun semun; | |
2664 | struct semid_ds semid_ds; | |
2665 | int i, ret; | |
3eb6b044 | 2666 | |
e5289087 AJ |
2667 | semun.buf = &semid_ds; |
2668 | ||
2669 | ret = semctl(semid, 0, IPC_STAT, semun); | |
2670 | if (ret == -1) | |
2671 | return get_errno(ret); | |
2672 | ||
2673 | nsems = semid_ds.sem_nsems; | |
2674 | ||
2675 | *host_array = malloc(nsems*sizeof(unsigned short)); | |
69d4c703 PM |
2676 | if (!*host_array) { |
2677 | return -TARGET_ENOMEM; | |
2678 | } | |
e5289087 AJ |
2679 | array = lock_user(VERIFY_READ, target_addr, |
2680 | nsems*sizeof(unsigned short), 1); | |
69d4c703 PM |
2681 | if (!array) { |
2682 | free(*host_array); | |
e5289087 | 2683 | return -TARGET_EFAULT; |
69d4c703 | 2684 | } |
e5289087 AJ |
2685 | |
2686 | for(i=0; i<nsems; i++) { | |
2687 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 2688 | } |
e5289087 AJ |
2689 | unlock_user(array, target_addr, 0); |
2690 | ||
579a97f7 | 2691 | return 0; |
3eb6b044 TS |
2692 | } |
2693 | ||
e5289087 AJ |
2694 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
2695 | unsigned short **host_array) | |
3eb6b044 | 2696 | { |
e5289087 AJ |
2697 | int nsems; |
2698 | unsigned short *array; | |
2699 | union semun semun; | |
2700 | struct semid_ds semid_ds; | |
2701 | int i, ret; | |
3eb6b044 | 2702 | |
e5289087 AJ |
2703 | semun.buf = &semid_ds; |
2704 | ||
2705 | ret = semctl(semid, 0, IPC_STAT, semun); | |
2706 | if (ret == -1) | |
2707 | return get_errno(ret); | |
2708 | ||
2709 | nsems = semid_ds.sem_nsems; | |
2710 | ||
2711 | array = lock_user(VERIFY_WRITE, target_addr, | |
2712 | nsems*sizeof(unsigned short), 0); | |
2713 | if (!array) | |
2714 | return -TARGET_EFAULT; | |
2715 | ||
2716 | for(i=0; i<nsems; i++) { | |
2717 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 2718 | } |
e5289087 AJ |
2719 | free(*host_array); |
2720 | unlock_user(array, target_addr, 1); | |
2721 | ||
579a97f7 | 2722 | return 0; |
3eb6b044 TS |
2723 | } |
2724 | ||
e5289087 AJ |
2725 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
2726 | union target_semun target_su) | |
3eb6b044 TS |
2727 | { |
2728 | union semun arg; | |
2729 | struct semid_ds dsarg; | |
7b8118e8 | 2730 | unsigned short *array = NULL; |
e5289087 AJ |
2731 | struct seminfo seminfo; |
2732 | abi_long ret = -TARGET_EINVAL; | |
2733 | abi_long err; | |
2734 | cmd &= 0xff; | |
3eb6b044 TS |
2735 | |
2736 | switch( cmd ) { | |
2737 | case GETVAL: | |
3eb6b044 | 2738 | case SETVAL: |
5464baec TM |
2739 | /* In 64 bit cross-endian situations, we will erroneously pick up |
2740 | * the wrong half of the union for the "val" element. To rectify | |
2741 | * this, the entire 8-byte structure is byteswapped, followed by | |
2742 | * a swap of the 4 byte val field. In other cases, the data is | |
2743 | * already in proper host byte order. */ | |
2744 | if (sizeof(target_su.val) != (sizeof(target_su.buf))) { | |
2745 | target_su.buf = tswapal(target_su.buf); | |
2746 | arg.val = tswap32(target_su.val); | |
2747 | } else { | |
2748 | arg.val = target_su.val; | |
2749 | } | |
e5289087 | 2750 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
3eb6b044 TS |
2751 | break; |
2752 | case GETALL: | |
3eb6b044 | 2753 | case SETALL: |
e5289087 AJ |
2754 | err = target_to_host_semarray(semid, &array, target_su.array); |
2755 | if (err) | |
2756 | return err; | |
2757 | arg.array = array; | |
2758 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
2759 | err = host_to_target_semarray(semid, target_su.array, &array); | |
2760 | if (err) | |
2761 | return err; | |
3eb6b044 TS |
2762 | break; |
2763 | case IPC_STAT: | |
3eb6b044 | 2764 | case IPC_SET: |
e5289087 AJ |
2765 | case SEM_STAT: |
2766 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
2767 | if (err) | |
2768 | return err; | |
2769 | arg.buf = &dsarg; | |
2770 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
2771 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
2772 | if (err) | |
2773 | return err; | |
2774 | break; | |
2775 | case IPC_INFO: | |
2776 | case SEM_INFO: | |
2777 | arg.__buf = &seminfo; | |
2778 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
2779 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
2780 | if (err) | |
2781 | return err; | |
2782 | break; | |
2783 | case IPC_RMID: | |
2784 | case GETPID: | |
2785 | case GETNCNT: | |
2786 | case GETZCNT: | |
2787 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 2788 | break; |
3eb6b044 TS |
2789 | } |
2790 | ||
2791 | return ret; | |
2792 | } | |
2793 | ||
e5289087 AJ |
2794 | struct target_sembuf { |
2795 | unsigned short sem_num; | |
2796 | short sem_op; | |
2797 | short sem_flg; | |
2798 | }; | |
2799 | ||
2800 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
2801 | abi_ulong target_addr, | |
2802 | unsigned nsops) | |
2803 | { | |
2804 | struct target_sembuf *target_sembuf; | |
2805 | int i; | |
2806 | ||
2807 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
2808 | nsops*sizeof(struct target_sembuf), 1); | |
2809 | if (!target_sembuf) | |
2810 | return -TARGET_EFAULT; | |
2811 | ||
2812 | for(i=0; i<nsops; i++) { | |
2813 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
2814 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
2815 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
2816 | } | |
2817 | ||
2818 | unlock_user(target_sembuf, target_addr, 0); | |
2819 | ||
2820 | return 0; | |
2821 | } | |
2822 | ||
2823 | static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) | |
2824 | { | |
2825 | struct sembuf sops[nsops]; | |
2826 | ||
2827 | if (target_to_host_sembuf(sops, ptr, nsops)) | |
2828 | return -TARGET_EFAULT; | |
2829 | ||
c7128c9f | 2830 | return get_errno(semop(semid, sops, nsops)); |
e5289087 AJ |
2831 | } |
2832 | ||
1bc012f6 TS |
2833 | struct target_msqid_ds |
2834 | { | |
1c54ff97 AJ |
2835 | struct target_ipc_perm msg_perm; |
2836 | abi_ulong msg_stime; | |
2837 | #if TARGET_ABI_BITS == 32 | |
2838 | abi_ulong __unused1; | |
2839 | #endif | |
2840 | abi_ulong msg_rtime; | |
2841 | #if TARGET_ABI_BITS == 32 | |
2842 | abi_ulong __unused2; | |
2843 | #endif | |
2844 | abi_ulong msg_ctime; | |
2845 | #if TARGET_ABI_BITS == 32 | |
2846 | abi_ulong __unused3; | |
2847 | #endif | |
2848 | abi_ulong __msg_cbytes; | |
2849 | abi_ulong msg_qnum; | |
2850 | abi_ulong msg_qbytes; | |
2851 | abi_ulong msg_lspid; | |
2852 | abi_ulong msg_lrpid; | |
2853 | abi_ulong __unused4; | |
2854 | abi_ulong __unused5; | |
1bc012f6 TS |
2855 | }; |
2856 | ||
579a97f7 FB |
2857 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
2858 | abi_ulong target_addr) | |
1bc012f6 TS |
2859 | { |
2860 | struct target_msqid_ds *target_md; | |
2861 | ||
579a97f7 FB |
2862 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
2863 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
2864 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
2865 | return -TARGET_EFAULT; | |
cbb21eed MB |
2866 | host_md->msg_stime = tswapal(target_md->msg_stime); |
2867 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
2868 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
2869 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
2870 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
2871 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
2872 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
2873 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 2874 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 2875 | return 0; |
1bc012f6 TS |
2876 | } |
2877 | ||
579a97f7 FB |
2878 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
2879 | struct msqid_ds *host_md) | |
1bc012f6 TS |
2880 | { |
2881 | struct target_msqid_ds *target_md; | |
2882 | ||
579a97f7 FB |
2883 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
2884 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
2885 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
2886 | return -TARGET_EFAULT; | |
cbb21eed MB |
2887 | target_md->msg_stime = tswapal(host_md->msg_stime); |
2888 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
2889 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
2890 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
2891 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
2892 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
2893 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
2894 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 2895 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 2896 | return 0; |
1bc012f6 TS |
2897 | } |
2898 | ||
1c54ff97 AJ |
2899 | struct target_msginfo { |
2900 | int msgpool; | |
2901 | int msgmap; | |
2902 | int msgmax; | |
2903 | int msgmnb; | |
2904 | int msgmni; | |
2905 | int msgssz; | |
2906 | int msgtql; | |
2907 | unsigned short int msgseg; | |
2908 | }; | |
2909 | ||
2910 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
2911 | struct msginfo *host_msginfo) | |
2912 | { | |
2913 | struct target_msginfo *target_msginfo; | |
2914 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
2915 | return -TARGET_EFAULT; | |
2916 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
2917 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
2918 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
2919 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
2920 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
2921 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
2922 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
2923 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
2924 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 2925 | return 0; |
1c54ff97 AJ |
2926 | } |
2927 | ||
2928 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
2929 | { |
2930 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
2931 | struct msginfo msginfo; |
2932 | abi_long ret = -TARGET_EINVAL; | |
2933 | ||
2934 | cmd &= 0xff; | |
2935 | ||
2936 | switch (cmd) { | |
1bc012f6 TS |
2937 | case IPC_STAT: |
2938 | case IPC_SET: | |
1c54ff97 AJ |
2939 | case MSG_STAT: |
2940 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
2941 | return -TARGET_EFAULT; | |
2942 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
2943 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
2944 | return -TARGET_EFAULT; | |
2945 | break; | |
2946 | case IPC_RMID: | |
2947 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
2948 | break; | |
2949 | case IPC_INFO: | |
2950 | case MSG_INFO: | |
2951 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
2952 | if (host_to_target_msginfo(ptr, &msginfo)) | |
2953 | return -TARGET_EFAULT; | |
2954 | break; | |
1bc012f6 | 2955 | } |
1c54ff97 | 2956 | |
1bc012f6 TS |
2957 | return ret; |
2958 | } | |
2959 | ||
2960 | struct target_msgbuf { | |
1c54ff97 AJ |
2961 | abi_long mtype; |
2962 | char mtext[1]; | |
1bc012f6 TS |
2963 | }; |
2964 | ||
992f48a0 | 2965 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
edcc5f9d | 2966 | ssize_t msgsz, int msgflg) |
1bc012f6 TS |
2967 | { |
2968 | struct target_msgbuf *target_mb; | |
2969 | struct msgbuf *host_mb; | |
992f48a0 | 2970 | abi_long ret = 0; |
1bc012f6 | 2971 | |
edcc5f9d TM |
2972 | if (msgsz < 0) { |
2973 | return -TARGET_EINVAL; | |
2974 | } | |
2975 | ||
579a97f7 FB |
2976 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
2977 | return -TARGET_EFAULT; | |
1bc012f6 | 2978 | host_mb = malloc(msgsz+sizeof(long)); |
29e03fcb HZ |
2979 | if (!host_mb) { |
2980 | unlock_user_struct(target_mb, msgp, 0); | |
2981 | return -TARGET_ENOMEM; | |
2982 | } | |
cbb21eed | 2983 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 2984 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
1bc012f6 TS |
2985 | ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); |
2986 | free(host_mb); | |
2987 | unlock_user_struct(target_mb, msgp, 0); | |
2988 | ||
2989 | return ret; | |
2990 | } | |
2991 | ||
992f48a0 | 2992 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
1c54ff97 | 2993 | unsigned int msgsz, abi_long msgtyp, |
992f48a0 | 2994 | int msgflg) |
1bc012f6 TS |
2995 | { |
2996 | struct target_msgbuf *target_mb; | |
579a97f7 | 2997 | char *target_mtext; |
1bc012f6 | 2998 | struct msgbuf *host_mb; |
992f48a0 | 2999 | abi_long ret = 0; |
1bc012f6 | 3000 | |
579a97f7 FB |
3001 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
3002 | return -TARGET_EFAULT; | |
1c54ff97 | 3003 | |
0d07fe47 | 3004 | host_mb = g_malloc(msgsz+sizeof(long)); |
79dd77de | 3005 | ret = get_errno(msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
1c54ff97 | 3006 | |
579a97f7 FB |
3007 | if (ret > 0) { |
3008 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
3009 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
3010 | if (!target_mtext) { | |
3011 | ret = -TARGET_EFAULT; | |
3012 | goto end; | |
3013 | } | |
1c54ff97 | 3014 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
3015 | unlock_user(target_mtext, target_mtext_addr, ret); |
3016 | } | |
1c54ff97 | 3017 | |
cbb21eed | 3018 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 3019 | |
579a97f7 FB |
3020 | end: |
3021 | if (target_mb) | |
3022 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 3023 | g_free(host_mb); |
1bc012f6 TS |
3024 | return ret; |
3025 | } | |
3026 | ||
88a8c984 RV |
3027 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, |
3028 | abi_ulong target_addr) | |
3029 | { | |
3030 | struct target_shmid_ds *target_sd; | |
3031 | ||
3032 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
3033 | return -TARGET_EFAULT; | |
3034 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
3035 | return -TARGET_EFAULT; | |
3036 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
3037 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
3038 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
3039 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
3040 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
3041 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
3042 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
3043 | unlock_user_struct(target_sd, target_addr, 0); | |
3044 | return 0; | |
3045 | } | |
3046 | ||
3047 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
3048 | struct shmid_ds *host_sd) | |
3049 | { | |
3050 | struct target_shmid_ds *target_sd; | |
3051 | ||
3052 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
3053 | return -TARGET_EFAULT; | |
3054 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
3055 | return -TARGET_EFAULT; | |
3056 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
3057 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
3058 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
3059 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
3060 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
3061 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
3062 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
3063 | unlock_user_struct(target_sd, target_addr, 1); | |
3064 | return 0; | |
3065 | } | |
3066 | ||
3067 | struct target_shminfo { | |
3068 | abi_ulong shmmax; | |
3069 | abi_ulong shmmin; | |
3070 | abi_ulong shmmni; | |
3071 | abi_ulong shmseg; | |
3072 | abi_ulong shmall; | |
3073 | }; | |
3074 | ||
3075 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
3076 | struct shminfo *host_shminfo) | |
3077 | { | |
3078 | struct target_shminfo *target_shminfo; | |
3079 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
3080 | return -TARGET_EFAULT; | |
3081 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
3082 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
3083 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
3084 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
3085 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
3086 | unlock_user_struct(target_shminfo, target_addr, 1); | |
3087 | return 0; | |
3088 | } | |
3089 | ||
3090 | struct target_shm_info { | |
3091 | int used_ids; | |
3092 | abi_ulong shm_tot; | |
3093 | abi_ulong shm_rss; | |
3094 | abi_ulong shm_swp; | |
3095 | abi_ulong swap_attempts; | |
3096 | abi_ulong swap_successes; | |
3097 | }; | |
3098 | ||
3099 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
3100 | struct shm_info *host_shm_info) | |
3101 | { | |
3102 | struct target_shm_info *target_shm_info; | |
3103 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
3104 | return -TARGET_EFAULT; | |
3105 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
3106 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
3107 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
3108 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
3109 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
3110 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
3111 | unlock_user_struct(target_shm_info, target_addr, 1); | |
3112 | return 0; | |
3113 | } | |
3114 | ||
3115 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
3116 | { | |
3117 | struct shmid_ds dsarg; | |
3118 | struct shminfo shminfo; | |
3119 | struct shm_info shm_info; | |
3120 | abi_long ret = -TARGET_EINVAL; | |
3121 | ||
3122 | cmd &= 0xff; | |
3123 | ||
3124 | switch(cmd) { | |
3125 | case IPC_STAT: | |
3126 | case IPC_SET: | |
3127 | case SHM_STAT: | |
3128 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
3129 | return -TARGET_EFAULT; | |
3130 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
3131 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
3132 | return -TARGET_EFAULT; | |
3133 | break; | |
3134 | case IPC_INFO: | |
3135 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
3136 | if (host_to_target_shminfo(buf, &shminfo)) | |
3137 | return -TARGET_EFAULT; | |
3138 | break; | |
3139 | case SHM_INFO: | |
3140 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
3141 | if (host_to_target_shm_info(buf, &shm_info)) | |
3142 | return -TARGET_EFAULT; | |
3143 | break; | |
3144 | case IPC_RMID: | |
3145 | case SHM_LOCK: | |
3146 | case SHM_UNLOCK: | |
3147 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
3148 | break; | |
3149 | } | |
3150 | ||
3151 | return ret; | |
3152 | } | |
3153 | ||
3154 | static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg) | |
3155 | { | |
3156 | abi_long raddr; | |
3157 | void *host_raddr; | |
3158 | struct shmid_ds shm_info; | |
3159 | int i,ret; | |
3160 | ||
3161 | /* find out the length of the shared memory segment */ | |
3162 | ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); | |
3163 | if (is_error(ret)) { | |
3164 | /* can't get length, bail out */ | |
3165 | return ret; | |
3166 | } | |
3167 | ||
3168 | mmap_lock(); | |
3169 | ||
3170 | if (shmaddr) | |
3171 | host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg); | |
3172 | else { | |
3173 | abi_ulong mmap_start; | |
3174 | ||
3175 | mmap_start = mmap_find_vma(0, shm_info.shm_segsz); | |
3176 | ||
3177 | if (mmap_start == -1) { | |
3178 | errno = ENOMEM; | |
3179 | host_raddr = (void *)-1; | |
3180 | } else | |
3181 | host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); | |
3182 | } | |
3183 | ||
3184 | if (host_raddr == (void *)-1) { | |
3185 | mmap_unlock(); | |
3186 | return get_errno((long)host_raddr); | |
3187 | } | |
3188 | raddr=h2g((unsigned long)host_raddr); | |
3189 | ||
3190 | page_set_flags(raddr, raddr + shm_info.shm_segsz, | |
3191 | PAGE_VALID | PAGE_READ | | |
3192 | ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE)); | |
3193 | ||
3194 | for (i = 0; i < N_SHM_REGIONS; i++) { | |
3195 | if (shm_regions[i].start == 0) { | |
3196 | shm_regions[i].start = raddr; | |
3197 | shm_regions[i].size = shm_info.shm_segsz; | |
3198 | break; | |
3199 | } | |
3200 | } | |
3201 | ||
3202 | mmap_unlock(); | |
3203 | return raddr; | |
3204 | ||
3205 | } | |
3206 | ||
3207 | static inline abi_long do_shmdt(abi_ulong shmaddr) | |
3208 | { | |
3209 | int i; | |
3210 | ||
3211 | for (i = 0; i < N_SHM_REGIONS; ++i) { | |
3212 | if (shm_regions[i].start == shmaddr) { | |
3213 | shm_regions[i].start = 0; | |
e00ac249 | 3214 | page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0); |
88a8c984 RV |
3215 | break; |
3216 | } | |
3217 | } | |
3218 | ||
3219 | return get_errno(shmdt(g2h(shmaddr))); | |
3220 | } | |
3221 | ||
1c54ff97 | 3222 | #ifdef TARGET_NR_ipc |
53a5960a | 3223 | /* ??? This only works with linear mappings. */ |
0da46a6e | 3224 | /* do_ipc() must return target values and target errnos. */ |
37ed0956 TM |
3225 | static abi_long do_ipc(unsigned int call, abi_long first, |
3226 | abi_long second, abi_long third, | |
992f48a0 | 3227 | abi_long ptr, abi_long fifth) |
8853f86e FB |
3228 | { |
3229 | int version; | |
992f48a0 | 3230 | abi_long ret = 0; |
8853f86e FB |
3231 | |
3232 | version = call >> 16; | |
3233 | call &= 0xffff; | |
3234 | ||
3235 | switch (call) { | |
fa294816 | 3236 | case IPCOP_semop: |
e5289087 | 3237 | ret = do_semop(first, ptr, second); |
fa294816 TS |
3238 | break; |
3239 | ||
3240 | case IPCOP_semget: | |
3241 | ret = get_errno(semget(first, second, third)); | |
3242 | break; | |
3243 | ||
5d2fa8eb TM |
3244 | case IPCOP_semctl: { |
3245 | /* The semun argument to semctl is passed by value, so dereference the | |
3246 | * ptr argument. */ | |
3247 | abi_ulong atptr; | |
37ed0956 | 3248 | get_user_ual(atptr, ptr); |
5d2fa8eb | 3249 | ret = do_semctl(first, second, third, |
37ed0956 | 3250 | (union target_semun) atptr); |
fa294816 | 3251 | break; |
5d2fa8eb | 3252 | } |
d96372ef | 3253 | |
1c54ff97 AJ |
3254 | case IPCOP_msgget: |
3255 | ret = get_errno(msgget(first, second)); | |
3256 | break; | |
d96372ef | 3257 | |
1c54ff97 AJ |
3258 | case IPCOP_msgsnd: |
3259 | ret = do_msgsnd(first, ptr, second, third); | |
3260 | break; | |
d96372ef | 3261 | |
1c54ff97 AJ |
3262 | case IPCOP_msgctl: |
3263 | ret = do_msgctl(first, second, ptr); | |
3264 | break; | |
d96372ef | 3265 | |
1c54ff97 AJ |
3266 | case IPCOP_msgrcv: |
3267 | switch (version) { | |
3268 | case 0: | |
3269 | { | |
3270 | struct target_ipc_kludge { | |
3271 | abi_long msgp; | |
3272 | abi_long msgtyp; | |
3273 | } *tmp; | |
3274 | ||
3275 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
3276 | ret = -TARGET_EFAULT; | |
3277 | break; | |
3278 | } | |
d96372ef | 3279 | |
79dd77de | 3280 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 3281 | |
1c54ff97 AJ |
3282 | unlock_user_struct(tmp, ptr, 0); |
3283 | break; | |
3284 | } | |
3285 | default: | |
3286 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
3287 | } | |
3288 | break; | |
d96372ef | 3289 | |
8853f86e | 3290 | case IPCOP_shmat: |
88a8c984 RV |
3291 | switch (version) { |
3292 | default: | |
5a4a898d FB |
3293 | { |
3294 | abi_ulong raddr; | |
88a8c984 RV |
3295 | raddr = do_shmat(first, ptr, second); |
3296 | if (is_error(raddr)) | |
3297 | return get_errno(raddr); | |
2f619698 | 3298 | if (put_user_ual(raddr, third)) |
5a4a898d | 3299 | return -TARGET_EFAULT; |
88a8c984 RV |
3300 | break; |
3301 | } | |
3302 | case 1: | |
3303 | ret = -TARGET_EINVAL; | |
3304 | break; | |
5a4a898d | 3305 | } |
8853f86e FB |
3306 | break; |
3307 | case IPCOP_shmdt: | |
88a8c984 | 3308 | ret = do_shmdt(ptr); |
8853f86e FB |
3309 | break; |
3310 | ||
3311 | case IPCOP_shmget: | |
3312 | /* IPC_* flag values are the same on all linux platforms */ | |
3313 | ret = get_errno(shmget(first, second, third)); | |
3314 | break; | |
3315 | ||
3316 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
3317 | case IPCOP_shmctl: | |
a2926784 | 3318 | ret = do_shmctl(first, second, ptr); |
8853f86e FB |
3319 | break; |
3320 | default: | |
32407103 | 3321 | gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); |
0da46a6e | 3322 | ret = -TARGET_ENOSYS; |
8853f86e FB |
3323 | break; |
3324 | } | |
3325 | return ret; | |
3326 | } | |
32407103 | 3327 | #endif |
8853f86e | 3328 | |
31e31b8a | 3329 | /* kernel structure types definitions */ |
31e31b8a | 3330 | |
001faf32 | 3331 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
3332 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
3333 | enum { | |
3334 | #include "syscall_types.h" | |
8be656b8 | 3335 | STRUCT_MAX |
31e31b8a FB |
3336 | }; |
3337 | #undef STRUCT | |
3338 | #undef STRUCT_SPECIAL | |
3339 | ||
001faf32 | 3340 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
3341 | #define STRUCT_SPECIAL(name) |
3342 | #include "syscall_types.h" | |
3343 | #undef STRUCT | |
3344 | #undef STRUCT_SPECIAL | |
3345 | ||
d2ef05bb PM |
3346 | typedef struct IOCTLEntry IOCTLEntry; |
3347 | ||
3348 | typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 3349 | int fd, int cmd, abi_long arg); |
d2ef05bb PM |
3350 | |
3351 | struct IOCTLEntry { | |
9c6bf9c7 | 3352 | int target_cmd; |
2ab83ea7 | 3353 | unsigned int host_cmd; |
31e31b8a FB |
3354 | const char *name; |
3355 | int access; | |
d2ef05bb | 3356 | do_ioctl_fn *do_ioctl; |
1a9353d2 | 3357 | const argtype arg_type[5]; |
d2ef05bb | 3358 | }; |
31e31b8a FB |
3359 | |
3360 | #define IOC_R 0x0001 | |
3361 | #define IOC_W 0x0002 | |
3362 | #define IOC_RW (IOC_R | IOC_W) | |
3363 | ||
3364 | #define MAX_STRUCT_SIZE 4096 | |
3365 | ||
dace20dc | 3366 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
3367 | /* So fiemap access checks don't overflow on 32 bit systems. |
3368 | * This is very slightly smaller than the limit imposed by | |
3369 | * the underlying kernel. | |
3370 | */ | |
3371 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
3372 | / sizeof(struct fiemap_extent)) | |
3373 | ||
3374 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
45c874eb | 3375 | int fd, int cmd, abi_long arg) |
285da2b9 PM |
3376 | { |
3377 | /* The parameter for this ioctl is a struct fiemap followed | |
3378 | * by an array of struct fiemap_extent whose size is set | |
3379 | * in fiemap->fm_extent_count. The array is filled in by the | |
3380 | * ioctl. | |
3381 | */ | |
3382 | int target_size_in, target_size_out; | |
3383 | struct fiemap *fm; | |
3384 | const argtype *arg_type = ie->arg_type; | |
3385 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
3386 | void *argptr, *p; | |
3387 | abi_long ret; | |
3388 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
3389 | uint32_t outbufsz; | |
3390 | int free_fm = 0; | |
3391 | ||
3392 | assert(arg_type[0] == TYPE_PTR); | |
3393 | assert(ie->access == IOC_RW); | |
3394 | arg_type++; | |
3395 | target_size_in = thunk_type_size(arg_type, 0); | |
3396 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
3397 | if (!argptr) { | |
3398 | return -TARGET_EFAULT; | |
3399 | } | |
3400 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3401 | unlock_user(argptr, arg, 0); | |
3402 | fm = (struct fiemap *)buf_temp; | |
3403 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
3404 | return -TARGET_EINVAL; | |
3405 | } | |
3406 | ||
3407 | outbufsz = sizeof (*fm) + | |
3408 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
3409 | ||
3410 | if (outbufsz > MAX_STRUCT_SIZE) { | |
3411 | /* We can't fit all the extents into the fixed size buffer. | |
3412 | * Allocate one that is large enough and use it instead. | |
3413 | */ | |
3414 | fm = malloc(outbufsz); | |
3415 | if (!fm) { | |
3416 | return -TARGET_ENOMEM; | |
3417 | } | |
3418 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
3419 | free_fm = 1; | |
3420 | } | |
3421 | ret = get_errno(ioctl(fd, ie->host_cmd, fm)); | |
3422 | if (!is_error(ret)) { | |
3423 | target_size_out = target_size_in; | |
3424 | /* An extent_count of 0 means we were only counting the extents | |
3425 | * so there are no structs to copy | |
3426 | */ | |
3427 | if (fm->fm_extent_count != 0) { | |
3428 | target_size_out += fm->fm_mapped_extents * extent_size; | |
3429 | } | |
3430 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
3431 | if (!argptr) { | |
3432 | ret = -TARGET_EFAULT; | |
3433 | } else { | |
3434 | /* Convert the struct fiemap */ | |
3435 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
3436 | if (fm->fm_extent_count != 0) { | |
3437 | p = argptr + target_size_in; | |
3438 | /* ...and then all the struct fiemap_extents */ | |
3439 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
3440 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
3441 | THUNK_TARGET); | |
3442 | p += extent_size; | |
3443 | } | |
3444 | } | |
3445 | unlock_user(argptr, arg, target_size_out); | |
3446 | } | |
3447 | } | |
3448 | if (free_fm) { | |
3449 | free(fm); | |
3450 | } | |
3451 | return ret; | |
3452 | } | |
dace20dc | 3453 | #endif |
285da2b9 | 3454 | |
059c2f2c | 3455 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 3456 | int fd, int cmd, abi_long arg) |
059c2f2c LV |
3457 | { |
3458 | const argtype *arg_type = ie->arg_type; | |
3459 | int target_size; | |
3460 | void *argptr; | |
3461 | int ret; | |
3462 | struct ifconf *host_ifconf; | |
3463 | uint32_t outbufsz; | |
3464 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
3465 | int target_ifreq_size; | |
3466 | int nb_ifreq; | |
3467 | int free_buf = 0; | |
3468 | int i; | |
3469 | int target_ifc_len; | |
3470 | abi_long target_ifc_buf; | |
3471 | int host_ifc_len; | |
3472 | char *host_ifc_buf; | |
3473 | ||
3474 | assert(arg_type[0] == TYPE_PTR); | |
3475 | assert(ie->access == IOC_RW); | |
3476 | ||
3477 | arg_type++; | |
3478 | target_size = thunk_type_size(arg_type, 0); | |
3479 | ||
3480 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3481 | if (!argptr) | |
3482 | return -TARGET_EFAULT; | |
3483 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3484 | unlock_user(argptr, arg, 0); | |
3485 | ||
3486 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
3487 | target_ifc_len = host_ifconf->ifc_len; | |
3488 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; | |
3489 | ||
3490 | target_ifreq_size = thunk_type_size(ifreq_arg_type, 0); | |
3491 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
3492 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
3493 | ||
3494 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
3495 | if (outbufsz > MAX_STRUCT_SIZE) { | |
3496 | /* We can't fit all the extents into the fixed size buffer. | |
3497 | * Allocate one that is large enough and use it instead. | |
3498 | */ | |
3499 | host_ifconf = malloc(outbufsz); | |
3500 | if (!host_ifconf) { | |
3501 | return -TARGET_ENOMEM; | |
3502 | } | |
3503 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
3504 | free_buf = 1; | |
3505 | } | |
3506 | host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf); | |
3507 | ||
3508 | host_ifconf->ifc_len = host_ifc_len; | |
3509 | host_ifconf->ifc_buf = host_ifc_buf; | |
3510 | ||
3511 | ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf)); | |
3512 | if (!is_error(ret)) { | |
3513 | /* convert host ifc_len to target ifc_len */ | |
3514 | ||
3515 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
3516 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
3517 | host_ifconf->ifc_len = target_ifc_len; | |
3518 | ||
3519 | /* restore target ifc_buf */ | |
3520 | ||
3521 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
3522 | ||
3523 | /* copy struct ifconf to target user */ | |
3524 | ||
3525 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
3526 | if (!argptr) | |
3527 | return -TARGET_EFAULT; | |
3528 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
3529 | unlock_user(argptr, arg, target_size); | |
3530 | ||
3531 | /* copy ifreq[] to target user */ | |
3532 | ||
3533 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
3534 | for (i = 0; i < nb_ifreq ; i++) { | |
3535 | thunk_convert(argptr + i * target_ifreq_size, | |
3536 | host_ifc_buf + i * sizeof(struct ifreq), | |
3537 | ifreq_arg_type, THUNK_TARGET); | |
3538 | } | |
3539 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
3540 | } | |
3541 | ||
3542 | if (free_buf) { | |
3543 | free(host_ifconf); | |
3544 | } | |
3545 | ||
3546 | return ret; | |
3547 | } | |
3548 | ||
56e904ec | 3549 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 3550 | int cmd, abi_long arg) |
56e904ec AG |
3551 | { |
3552 | void *argptr; | |
3553 | struct dm_ioctl *host_dm; | |
3554 | abi_long guest_data; | |
3555 | uint32_t guest_data_size; | |
3556 | int target_size; | |
3557 | const argtype *arg_type = ie->arg_type; | |
3558 | abi_long ret; | |
3559 | void *big_buf = NULL; | |
3560 | char *host_data; | |
3561 | ||
3562 | arg_type++; | |
3563 | target_size = thunk_type_size(arg_type, 0); | |
3564 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3565 | if (!argptr) { | |
3566 | ret = -TARGET_EFAULT; | |
3567 | goto out; | |
3568 | } | |
3569 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3570 | unlock_user(argptr, arg, 0); | |
3571 | ||
3572 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
3573 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
3574 | memcpy(big_buf, buf_temp, target_size); | |
3575 | buf_temp = big_buf; | |
3576 | host_dm = big_buf; | |
3577 | ||
3578 | guest_data = arg + host_dm->data_start; | |
3579 | if ((guest_data - arg) < 0) { | |
3580 | ret = -EINVAL; | |
3581 | goto out; | |
3582 | } | |
3583 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
3584 | host_data = (char*)host_dm + host_dm->data_start; | |
3585 | ||
3586 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3587 | switch (ie->host_cmd) { | |
3588 | case DM_REMOVE_ALL: | |
3589 | case DM_LIST_DEVICES: | |
3590 | case DM_DEV_CREATE: | |
3591 | case DM_DEV_REMOVE: | |
3592 | case DM_DEV_SUSPEND: | |
3593 | case DM_DEV_STATUS: | |
3594 | case DM_DEV_WAIT: | |
3595 | case DM_TABLE_STATUS: | |
3596 | case DM_TABLE_CLEAR: | |
3597 | case DM_TABLE_DEPS: | |
3598 | case DM_LIST_VERSIONS: | |
3599 | /* no input data */ | |
3600 | break; | |
3601 | case DM_DEV_RENAME: | |
3602 | case DM_DEV_SET_GEOMETRY: | |
3603 | /* data contains only strings */ | |
3604 | memcpy(host_data, argptr, guest_data_size); | |
3605 | break; | |
3606 | case DM_TARGET_MSG: | |
3607 | memcpy(host_data, argptr, guest_data_size); | |
3608 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
3609 | break; | |
3610 | case DM_TABLE_LOAD: | |
3611 | { | |
3612 | void *gspec = argptr; | |
3613 | void *cur_data = host_data; | |
3614 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
3615 | int spec_size = thunk_type_size(arg_type, 0); | |
3616 | int i; | |
3617 | ||
3618 | for (i = 0; i < host_dm->target_count; i++) { | |
3619 | struct dm_target_spec *spec = cur_data; | |
3620 | uint32_t next; | |
3621 | int slen; | |
3622 | ||
3623 | thunk_convert(spec, gspec, arg_type, THUNK_HOST); | |
3624 | slen = strlen((char*)gspec + spec_size) + 1; | |
3625 | next = spec->next; | |
3626 | spec->next = sizeof(*spec) + slen; | |
3627 | strcpy((char*)&spec[1], gspec + spec_size); | |
3628 | gspec += next; | |
3629 | cur_data += spec->next; | |
3630 | } | |
3631 | break; | |
3632 | } | |
3633 | default: | |
3634 | ret = -TARGET_EINVAL; | |
dec0473d | 3635 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
3636 | goto out; |
3637 | } | |
3638 | unlock_user(argptr, guest_data, 0); | |
3639 | ||
3640 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); | |
3641 | if (!is_error(ret)) { | |
3642 | guest_data = arg + host_dm->data_start; | |
3643 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
3644 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
3645 | switch (ie->host_cmd) { | |
3646 | case DM_REMOVE_ALL: | |
3647 | case DM_DEV_CREATE: | |
3648 | case DM_DEV_REMOVE: | |
3649 | case DM_DEV_RENAME: | |
3650 | case DM_DEV_SUSPEND: | |
3651 | case DM_DEV_STATUS: | |
3652 | case DM_TABLE_LOAD: | |
3653 | case DM_TABLE_CLEAR: | |
3654 | case DM_TARGET_MSG: | |
3655 | case DM_DEV_SET_GEOMETRY: | |
3656 | /* no return data */ | |
3657 | break; | |
3658 | case DM_LIST_DEVICES: | |
3659 | { | |
3660 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
3661 | uint32_t remaining_data = guest_data_size; | |
3662 | void *cur_data = argptr; | |
3663 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; | |
3664 | int nl_size = 12; /* can't use thunk_size due to alignment */ | |
3665 | ||
3666 | while (1) { | |
3667 | uint32_t next = nl->next; | |
3668 | if (next) { | |
3669 | nl->next = nl_size + (strlen(nl->name) + 1); | |
3670 | } | |
3671 | if (remaining_data < nl->next) { | |
3672 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
3673 | break; | |
3674 | } | |
3675 | thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); | |
3676 | strcpy(cur_data + nl_size, nl->name); | |
3677 | cur_data += nl->next; | |
3678 | remaining_data -= nl->next; | |
3679 | if (!next) { | |
3680 | break; | |
3681 | } | |
3682 | nl = (void*)nl + next; | |
3683 | } | |
3684 | break; | |
3685 | } | |
3686 | case DM_DEV_WAIT: | |
3687 | case DM_TABLE_STATUS: | |
3688 | { | |
3689 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
3690 | void *cur_data = argptr; | |
3691 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
3692 | int spec_size = thunk_type_size(arg_type, 0); | |
3693 | int i; | |
3694 | ||
3695 | for (i = 0; i < host_dm->target_count; i++) { | |
3696 | uint32_t next = spec->next; | |
3697 | int slen = strlen((char*)&spec[1]) + 1; | |
3698 | spec->next = (cur_data - argptr) + spec_size + slen; | |
3699 | if (guest_data_size < spec->next) { | |
3700 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
3701 | break; | |
3702 | } | |
3703 | thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); | |
3704 | strcpy(cur_data + spec_size, (char*)&spec[1]); | |
3705 | cur_data = argptr + spec->next; | |
3706 | spec = (void*)host_dm + host_dm->data_start + next; | |
3707 | } | |
3708 | break; | |
3709 | } | |
3710 | case DM_TABLE_DEPS: | |
3711 | { | |
3712 | void *hdata = (void*)host_dm + host_dm->data_start; | |
3713 | int count = *(uint32_t*)hdata; | |
3714 | uint64_t *hdev = hdata + 8; | |
3715 | uint64_t *gdev = argptr + 8; | |
3716 | int i; | |
3717 | ||
3718 | *(uint32_t*)argptr = tswap32(count); | |
3719 | for (i = 0; i < count; i++) { | |
3720 | *gdev = tswap64(*hdev); | |
3721 | gdev++; | |
3722 | hdev++; | |
3723 | } | |
3724 | break; | |
3725 | } | |
3726 | case DM_LIST_VERSIONS: | |
3727 | { | |
3728 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
3729 | uint32_t remaining_data = guest_data_size; | |
3730 | void *cur_data = argptr; | |
3731 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; | |
3732 | int vers_size = thunk_type_size(arg_type, 0); | |
3733 | ||
3734 | while (1) { | |
3735 | uint32_t next = vers->next; | |
3736 | if (next) { | |
3737 | vers->next = vers_size + (strlen(vers->name) + 1); | |
3738 | } | |
3739 | if (remaining_data < vers->next) { | |
3740 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
3741 | break; | |
3742 | } | |
3743 | thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); | |
3744 | strcpy(cur_data + vers_size, vers->name); | |
3745 | cur_data += vers->next; | |
3746 | remaining_data -= vers->next; | |
3747 | if (!next) { | |
3748 | break; | |
3749 | } | |
3750 | vers = (void*)vers + next; | |
3751 | } | |
3752 | break; | |
3753 | } | |
3754 | default: | |
dec0473d | 3755 | unlock_user(argptr, guest_data, 0); |
56e904ec AG |
3756 | ret = -TARGET_EINVAL; |
3757 | goto out; | |
3758 | } | |
3759 | unlock_user(argptr, guest_data, guest_data_size); | |
3760 | ||
3761 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
3762 | if (!argptr) { | |
3763 | ret = -TARGET_EFAULT; | |
3764 | goto out; | |
3765 | } | |
3766 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
3767 | unlock_user(argptr, arg, target_size); | |
3768 | } | |
3769 | out: | |
ad11ad77 | 3770 | g_free(big_buf); |
56e904ec AG |
3771 | return ret; |
3772 | } | |
3773 | ||
a59b5e35 | 3774 | static abi_long do_ioctl_blkpg(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
45c874eb | 3775 | int cmd, abi_long arg) |
a59b5e35 AG |
3776 | { |
3777 | void *argptr; | |
3778 | int target_size; | |
3779 | const argtype *arg_type = ie->arg_type; | |
3780 | const argtype part_arg_type[] = { MK_STRUCT(STRUCT_blkpg_partition) }; | |
3781 | abi_long ret; | |
3782 | ||
3783 | struct blkpg_ioctl_arg *host_blkpg = (void*)buf_temp; | |
3784 | struct blkpg_partition host_part; | |
3785 | ||
3786 | /* Read and convert blkpg */ | |
3787 | arg_type++; | |
3788 | target_size = thunk_type_size(arg_type, 0); | |
3789 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3790 | if (!argptr) { | |
3791 | ret = -TARGET_EFAULT; | |
3792 | goto out; | |
3793 | } | |
3794 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3795 | unlock_user(argptr, arg, 0); | |
3796 | ||
3797 | switch (host_blkpg->op) { | |
3798 | case BLKPG_ADD_PARTITION: | |
3799 | case BLKPG_DEL_PARTITION: | |
3800 | /* payload is struct blkpg_partition */ | |
3801 | break; | |
3802 | default: | |
3803 | /* Unknown opcode */ | |
3804 | ret = -TARGET_EINVAL; | |
3805 | goto out; | |
3806 | } | |
3807 | ||
3808 | /* Read and convert blkpg->data */ | |
3809 | arg = (abi_long)(uintptr_t)host_blkpg->data; | |
3810 | target_size = thunk_type_size(part_arg_type, 0); | |
3811 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3812 | if (!argptr) { | |
3813 | ret = -TARGET_EFAULT; | |
3814 | goto out; | |
3815 | } | |
3816 | thunk_convert(&host_part, argptr, part_arg_type, THUNK_HOST); | |
3817 | unlock_user(argptr, arg, 0); | |
3818 | ||
3819 | /* Swizzle the data pointer to our local copy and call! */ | |
3820 | host_blkpg->data = &host_part; | |
3821 | ret = get_errno(ioctl(fd, ie->host_cmd, host_blkpg)); | |
3822 | ||
3823 | out: | |
3824 | return ret; | |
3825 | } | |
3826 | ||
7ff7b666 | 3827 | static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 3828 | int fd, int cmd, abi_long arg) |
7ff7b666 LV |
3829 | { |
3830 | const argtype *arg_type = ie->arg_type; | |
3831 | const StructEntry *se; | |
3832 | const argtype *field_types; | |
3833 | const int *dst_offsets, *src_offsets; | |
3834 | int target_size; | |
3835 | void *argptr; | |
3836 | abi_ulong *target_rt_dev_ptr; | |
3837 | unsigned long *host_rt_dev_ptr; | |
3838 | abi_long ret; | |
3839 | int i; | |
3840 | ||
3841 | assert(ie->access == IOC_W); | |
3842 | assert(*arg_type == TYPE_PTR); | |
3843 | arg_type++; | |
3844 | assert(*arg_type == TYPE_STRUCT); | |
3845 | target_size = thunk_type_size(arg_type, 0); | |
3846 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3847 | if (!argptr) { | |
3848 | return -TARGET_EFAULT; | |
3849 | } | |
3850 | arg_type++; | |
3851 | assert(*arg_type == (int)STRUCT_rtentry); | |
3852 | se = struct_entries + *arg_type++; | |
3853 | assert(se->convert[0] == NULL); | |
3854 | /* convert struct here to be able to catch rt_dev string */ | |
3855 | field_types = se->field_types; | |
3856 | dst_offsets = se->field_offsets[THUNK_HOST]; | |
3857 | src_offsets = se->field_offsets[THUNK_TARGET]; | |
3858 | for (i = 0; i < se->nb_fields; i++) { | |
3859 | if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { | |
3860 | assert(*field_types == TYPE_PTRVOID); | |
3861 | target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]); | |
3862 | host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); | |
3863 | if (*target_rt_dev_ptr != 0) { | |
3864 | *host_rt_dev_ptr = (unsigned long)lock_user_string( | |
3865 | tswapal(*target_rt_dev_ptr)); | |
3866 | if (!*host_rt_dev_ptr) { | |
3867 | unlock_user(argptr, arg, 0); | |
3868 | return -TARGET_EFAULT; | |
3869 | } | |
3870 | } else { | |
3871 | *host_rt_dev_ptr = 0; | |
3872 | } | |
3873 | field_types++; | |
3874 | continue; | |
3875 | } | |
3876 | field_types = thunk_convert(buf_temp + dst_offsets[i], | |
3877 | argptr + src_offsets[i], | |
3878 | field_types, THUNK_HOST); | |
3879 | } | |
3880 | unlock_user(argptr, arg, 0); | |
3881 | ||
3882 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); | |
3883 | if (*host_rt_dev_ptr != 0) { | |
3884 | unlock_user((void *)*host_rt_dev_ptr, | |
3885 | *target_rt_dev_ptr, 0); | |
3886 | } | |
3887 | return ret; | |
3888 | } | |
3889 | ||
ca56f5b5 | 3890 | static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp, |
45c874eb | 3891 | int fd, int cmd, abi_long arg) |
ca56f5b5 PB |
3892 | { |
3893 | int sig = target_to_host_signal(arg); | |
3894 | return get_errno(ioctl(fd, ie->host_cmd, sig)); | |
3895 | } | |
3896 | ||
9f106a75 | 3897 | static IOCTLEntry ioctl_entries[] = { |
001faf32 | 3898 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
3899 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
3900 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
3901 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
31e31b8a FB |
3902 | #include "ioctls.h" |
3903 | { 0, 0, }, | |
3904 | }; | |
3905 | ||
53a5960a | 3906 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 3907 | /* do_ioctl() Must return target values and target errnos. */ |
45c874eb | 3908 | static abi_long do_ioctl(int fd, int cmd, abi_long arg) |
31e31b8a FB |
3909 | { |
3910 | const IOCTLEntry *ie; | |
3911 | const argtype *arg_type; | |
992f48a0 | 3912 | abi_long ret; |
31e31b8a | 3913 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
3914 | int target_size; |
3915 | void *argptr; | |
31e31b8a FB |
3916 | |
3917 | ie = ioctl_entries; | |
3918 | for(;;) { | |
3919 | if (ie->target_cmd == 0) { | |
32407103 | 3920 | gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
0da46a6e | 3921 | return -TARGET_ENOSYS; |
31e31b8a FB |
3922 | } |
3923 | if (ie->target_cmd == cmd) | |
3924 | break; | |
3925 | ie++; | |
3926 | } | |
3927 | arg_type = ie->arg_type; | |
9de5e440 | 3928 | #if defined(DEBUG) |
32407103 | 3929 | gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); |
72f03900 | 3930 | #endif |
d2ef05bb PM |
3931 | if (ie->do_ioctl) { |
3932 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
3933 | } | |
3934 | ||
31e31b8a FB |
3935 | switch(arg_type[0]) { |
3936 | case TYPE_NULL: | |
3937 | /* no argument */ | |
3938 | ret = get_errno(ioctl(fd, ie->host_cmd)); | |
3939 | break; | |
3940 | case TYPE_PTRVOID: | |
3941 | case TYPE_INT: | |
3942 | /* int argment */ | |
3943 | ret = get_errno(ioctl(fd, ie->host_cmd, arg)); | |
3944 | break; | |
3945 | case TYPE_PTR: | |
3946 | arg_type++; | |
53a5960a | 3947 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
3948 | switch(ie->access) { |
3949 | case IOC_R: | |
3950 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); | |
3951 | if (!is_error(ret)) { | |
579a97f7 FB |
3952 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
3953 | if (!argptr) | |
3954 | return -TARGET_EFAULT; | |
53a5960a PB |
3955 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
3956 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
3957 | } |
3958 | break; | |
3959 | case IOC_W: | |
579a97f7 FB |
3960 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
3961 | if (!argptr) | |
3962 | return -TARGET_EFAULT; | |
53a5960a PB |
3963 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3964 | unlock_user(argptr, arg, 0); | |
31e31b8a FB |
3965 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3966 | break; | |
3967 | default: | |
3968 | case IOC_RW: | |
579a97f7 FB |
3969 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
3970 | if (!argptr) | |
3971 | return -TARGET_EFAULT; | |
53a5960a PB |
3972 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3973 | unlock_user(argptr, arg, 0); | |
31e31b8a FB |
3974 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3975 | if (!is_error(ret)) { | |
579a97f7 FB |
3976 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
3977 | if (!argptr) | |
3978 | return -TARGET_EFAULT; | |
53a5960a PB |
3979 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
3980 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
3981 | } |
3982 | break; | |
3983 | } | |
3984 | break; | |
3985 | default: | |
32407103 JM |
3986 | gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", |
3987 | (long)cmd, arg_type[0]); | |
0da46a6e | 3988 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
3989 | break; |
3990 | } | |
3991 | return ret; | |
3992 | } | |
3993 | ||
b39bc503 | 3994 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
3995 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
3996 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
3997 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
3998 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
3999 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
4000 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
4001 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
4002 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
4003 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
4004 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
4005 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
4006 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
4007 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
4008 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
4009 | { 0, 0, 0, 0 } | |
4010 | }; | |
4011 | ||
b39bc503 | 4012 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
4013 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
4014 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
4015 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
4016 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
4017 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
4018 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
4019 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
4020 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
4021 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
4022 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
4023 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
4024 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
4025 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
4026 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
4027 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
4028 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
4029 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
4030 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
4031 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
4032 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
4033 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
4034 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
4035 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
4036 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
4037 | { 0, 0, 0, 0 } | |
4038 | }; | |
4039 | ||
b39bc503 | 4040 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
4041 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
4042 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
4043 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
4044 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
4045 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
4046 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
4047 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
4048 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
4049 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
4050 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
4051 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
4052 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
4053 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
4054 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
4055 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
4056 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
4057 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
4058 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
4059 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
4060 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
4061 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
4062 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
4063 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
4064 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
4065 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
4066 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
4067 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
4068 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
4069 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
4070 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
4071 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
4072 | { 0, 0, 0, 0 } | |
4073 | }; | |
4074 | ||
b39bc503 | 4075 | static const bitmask_transtbl lflag_tbl[] = { |
31e31b8a FB |
4076 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
4077 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
4078 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
4079 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
4080 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
4081 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
4082 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
4083 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
4084 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
4085 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
4086 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
4087 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
4088 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
4089 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
4090 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
4091 | { 0, 0, 0, 0 } | |
4092 | }; | |
4093 | ||
4094 | static void target_to_host_termios (void *dst, const void *src) | |
4095 | { | |
4096 | struct host_termios *host = dst; | |
4097 | const struct target_termios *target = src; | |
3b46e624 | 4098 | |
5fafdf24 | 4099 | host->c_iflag = |
31e31b8a | 4100 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 4101 | host->c_oflag = |
31e31b8a | 4102 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 4103 | host->c_cflag = |
31e31b8a | 4104 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 4105 | host->c_lflag = |
31e31b8a FB |
4106 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
4107 | host->c_line = target->c_line; | |
3b46e624 | 4108 | |
44607123 | 4109 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
4110 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
4111 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 4112 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 4113 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 4114 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 4115 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 4116 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 4117 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 4118 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
4119 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
4120 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
4121 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
4122 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
4123 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
4124 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
4125 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 4126 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 4127 | } |
3b46e624 | 4128 | |
31e31b8a FB |
4129 | static void host_to_target_termios (void *dst, const void *src) |
4130 | { | |
4131 | struct target_termios *target = dst; | |
4132 | const struct host_termios *host = src; | |
4133 | ||
5fafdf24 | 4134 | target->c_iflag = |
31e31b8a | 4135 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 4136 | target->c_oflag = |
31e31b8a | 4137 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 4138 | target->c_cflag = |
31e31b8a | 4139 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 4140 | target->c_lflag = |
31e31b8a FB |
4141 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
4142 | target->c_line = host->c_line; | |
3b46e624 | 4143 | |
44607123 | 4144 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
4145 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
4146 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
4147 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
4148 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
4149 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
4150 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
4151 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
4152 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
4153 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
4154 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
4155 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
4156 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
4157 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
4158 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
4159 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
4160 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
4161 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
4162 | } | |
4163 | ||
8e853dc7 | 4164 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
4165 | .convert = { host_to_target_termios, target_to_host_termios }, |
4166 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
4167 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
4168 | }; | |
4169 | ||
5286db75 FB |
4170 | static bitmask_transtbl mmap_flags_tbl[] = { |
4171 | { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, | |
4172 | { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, | |
4173 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, | |
4174 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
4175 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
4176 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, | |
4177 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
4178 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
e8efd8e7 CL |
4179 | { TARGET_MAP_NORESERVE, TARGET_MAP_NORESERVE, MAP_NORESERVE, |
4180 | MAP_NORESERVE }, | |
5286db75 FB |
4181 | { 0, 0, 0, 0 } |
4182 | }; | |
4183 | ||
2ab83ea7 | 4184 | #if defined(TARGET_I386) |
6dbad63e FB |
4185 | |
4186 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 4187 | static uint8_t *ldt_table; |
6dbad63e | 4188 | |
03acab66 | 4189 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
4190 | { |
4191 | int size; | |
53a5960a | 4192 | void *p; |
6dbad63e FB |
4193 | |
4194 | if (!ldt_table) | |
4195 | return 0; | |
4196 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
4197 | if (size > bytecount) | |
4198 | size = bytecount; | |
579a97f7 FB |
4199 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
4200 | if (!p) | |
03acab66 | 4201 | return -TARGET_EFAULT; |
579a97f7 | 4202 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
4203 | memcpy(p, ldt_table, size); |
4204 | unlock_user(p, ptr, size); | |
6dbad63e FB |
4205 | return size; |
4206 | } | |
4207 | ||
4208 | /* XXX: add locking support */ | |
03acab66 FB |
4209 | static abi_long write_ldt(CPUX86State *env, |
4210 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
4211 | { |
4212 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 4213 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 4214 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 4215 | int seg_not_present, useable, lm; |
6dbad63e FB |
4216 | uint32_t *lp, entry_1, entry_2; |
4217 | ||
4218 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 4219 | return -TARGET_EINVAL; |
579a97f7 | 4220 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 4221 | return -TARGET_EFAULT; |
53a5960a | 4222 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 4223 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
4224 | ldt_info.limit = tswap32(target_ldt_info->limit); |
4225 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
4226 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 4227 | |
6dbad63e | 4228 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 4229 | return -TARGET_EINVAL; |
6dbad63e FB |
4230 | seg_32bit = ldt_info.flags & 1; |
4231 | contents = (ldt_info.flags >> 1) & 3; | |
4232 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
4233 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
4234 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
4235 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
4236 | #ifdef TARGET_ABI32 |
4237 | lm = 0; | |
4238 | #else | |
4239 | lm = (ldt_info.flags >> 7) & 1; | |
4240 | #endif | |
6dbad63e FB |
4241 | if (contents == 3) { |
4242 | if (oldmode) | |
03acab66 | 4243 | return -TARGET_EINVAL; |
6dbad63e | 4244 | if (seg_not_present == 0) |
03acab66 | 4245 | return -TARGET_EINVAL; |
6dbad63e FB |
4246 | } |
4247 | /* allocate the LDT */ | |
4248 | if (!ldt_table) { | |
e441570f AZ |
4249 | env->ldt.base = target_mmap(0, |
4250 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
4251 | PROT_READ|PROT_WRITE, | |
4252 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
4253 | if (env->ldt.base == -1) | |
03acab66 | 4254 | return -TARGET_ENOMEM; |
e441570f AZ |
4255 | memset(g2h(env->ldt.base), 0, |
4256 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); | |
6dbad63e | 4257 | env->ldt.limit = 0xffff; |
e441570f | 4258 | ldt_table = g2h(env->ldt.base); |
6dbad63e FB |
4259 | } |
4260 | ||
4261 | /* NOTE: same code as Linux kernel */ | |
4262 | /* Allow LDTs to be cleared by the user. */ | |
4263 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
4264 | if (oldmode || | |
4265 | (contents == 0 && | |
4266 | read_exec_only == 1 && | |
4267 | seg_32bit == 0 && | |
4268 | limit_in_pages == 0 && | |
4269 | seg_not_present == 1 && | |
4270 | useable == 0 )) { | |
4271 | entry_1 = 0; | |
4272 | entry_2 = 0; | |
4273 | goto install; | |
4274 | } | |
4275 | } | |
3b46e624 | 4276 | |
6dbad63e FB |
4277 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
4278 | (ldt_info.limit & 0x0ffff); | |
4279 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
4280 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
4281 | (ldt_info.limit & 0xf0000) | | |
4282 | ((read_exec_only ^ 1) << 9) | | |
4283 | (contents << 10) | | |
4284 | ((seg_not_present ^ 1) << 15) | | |
4285 | (seg_32bit << 22) | | |
4286 | (limit_in_pages << 23) | | |
8d18e893 | 4287 | (lm << 21) | |
6dbad63e FB |
4288 | 0x7000; |
4289 | if (!oldmode) | |
4290 | entry_2 |= (useable << 20); | |
14ae3ba7 | 4291 | |
6dbad63e FB |
4292 | /* Install the new entry ... */ |
4293 | install: | |
4294 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
4295 | lp[0] = tswap32(entry_1); | |
4296 | lp[1] = tswap32(entry_2); | |
4297 | return 0; | |
4298 | } | |
4299 | ||
4300 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
4301 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
4302 | unsigned long bytecount) | |
6dbad63e | 4303 | { |
03acab66 | 4304 | abi_long ret; |
3b46e624 | 4305 | |
6dbad63e FB |
4306 | switch (func) { |
4307 | case 0: | |
4308 | ret = read_ldt(ptr, bytecount); | |
4309 | break; | |
4310 | case 1: | |
4311 | ret = write_ldt(env, ptr, bytecount, 1); | |
4312 | break; | |
4313 | case 0x11: | |
4314 | ret = write_ldt(env, ptr, bytecount, 0); | |
4315 | break; | |
03acab66 FB |
4316 | default: |
4317 | ret = -TARGET_ENOSYS; | |
4318 | break; | |
6dbad63e FB |
4319 | } |
4320 | return ret; | |
4321 | } | |
1b6b029e | 4322 | |
4583f589 | 4323 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
bc22eb44 | 4324 | abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
4325 | { |
4326 | uint64_t *gdt_table = g2h(env->gdt.base); | |
4327 | struct target_modify_ldt_ldt_s ldt_info; | |
4328 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
4329 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
4330 | int seg_not_present, useable, lm; | |
4331 | uint32_t *lp, entry_1, entry_2; | |
4332 | int i; | |
4333 | ||
4334 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
4335 | if (!target_ldt_info) | |
4336 | return -TARGET_EFAULT; | |
4337 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 4338 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
4339 | ldt_info.limit = tswap32(target_ldt_info->limit); |
4340 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
4341 | if (ldt_info.entry_number == -1) { | |
4342 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
4343 | if (gdt_table[i] == 0) { | |
4344 | ldt_info.entry_number = i; | |
4345 | target_ldt_info->entry_number = tswap32(i); | |
4346 | break; | |
4347 | } | |
4348 | } | |
4349 | } | |
4350 | unlock_user_struct(target_ldt_info, ptr, 1); | |
4351 | ||
4352 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
4353 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
4354 | return -TARGET_EINVAL; | |
4355 | seg_32bit = ldt_info.flags & 1; | |
4356 | contents = (ldt_info.flags >> 1) & 3; | |
4357 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
4358 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
4359 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
4360 | useable = (ldt_info.flags >> 6) & 1; | |
4361 | #ifdef TARGET_ABI32 | |
4362 | lm = 0; | |
4363 | #else | |
4364 | lm = (ldt_info.flags >> 7) & 1; | |
4365 | #endif | |
4366 | ||
4367 | if (contents == 3) { | |
4368 | if (seg_not_present == 0) | |
4369 | return -TARGET_EINVAL; | |
4370 | } | |
4371 | ||
4372 | /* NOTE: same code as Linux kernel */ | |
4373 | /* Allow LDTs to be cleared by the user. */ | |
4374 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
4375 | if ((contents == 0 && | |
4376 | read_exec_only == 1 && | |
4377 | seg_32bit == 0 && | |
4378 | limit_in_pages == 0 && | |
4379 | seg_not_present == 1 && | |
4380 | useable == 0 )) { | |
4381 | entry_1 = 0; | |
4382 | entry_2 = 0; | |
4383 | goto install; | |
4384 | } | |
4385 | } | |
4386 | ||
4387 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
4388 | (ldt_info.limit & 0x0ffff); | |
4389 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
4390 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
4391 | (ldt_info.limit & 0xf0000) | | |
4392 | ((read_exec_only ^ 1) << 9) | | |
4393 | (contents << 10) | | |
4394 | ((seg_not_present ^ 1) << 15) | | |
4395 | (seg_32bit << 22) | | |
4396 | (limit_in_pages << 23) | | |
4397 | (useable << 20) | | |
4398 | (lm << 21) | | |
4399 | 0x7000; | |
4400 | ||
4401 | /* Install the new entry ... */ | |
4402 | install: | |
4403 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
4404 | lp[0] = tswap32(entry_1); | |
4405 | lp[1] = tswap32(entry_2); | |
4406 | return 0; | |
4407 | } | |
4408 | ||
8fcd3692 | 4409 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
4410 | { |
4411 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
4412 | uint64_t *gdt_table = g2h(env->gdt.base); | |
4413 | uint32_t base_addr, limit, flags; | |
4414 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
4415 | int seg_not_present, useable, lm; | |
4416 | uint32_t *lp, entry_1, entry_2; | |
4417 | ||
4418 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
4419 | if (!target_ldt_info) | |
4420 | return -TARGET_EFAULT; | |
4421 | idx = tswap32(target_ldt_info->entry_number); | |
4422 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
4423 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
4424 | unlock_user_struct(target_ldt_info, ptr, 1); | |
4425 | return -TARGET_EINVAL; | |
4426 | } | |
4427 | lp = (uint32_t *)(gdt_table + idx); | |
4428 | entry_1 = tswap32(lp[0]); | |
4429 | entry_2 = tswap32(lp[1]); | |
4430 | ||
4431 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
4432 | contents = (entry_2 >> 10) & 3; | |
4433 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
4434 | seg_32bit = (entry_2 >> 22) & 1; | |
4435 | limit_in_pages = (entry_2 >> 23) & 1; | |
4436 | useable = (entry_2 >> 20) & 1; | |
4437 | #ifdef TARGET_ABI32 | |
4438 | lm = 0; | |
4439 | #else | |
4440 | lm = (entry_2 >> 21) & 1; | |
4441 | #endif | |
4442 | flags = (seg_32bit << 0) | (contents << 1) | | |
4443 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
4444 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
4445 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
4446 | base_addr = (entry_1 >> 16) | | |
4447 | (entry_2 & 0xff000000) | | |
4448 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 4449 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
4450 | target_ldt_info->limit = tswap32(limit); |
4451 | target_ldt_info->flags = tswap32(flags); | |
4452 | unlock_user_struct(target_ldt_info, ptr, 1); | |
4453 | return 0; | |
4454 | } | |
4583f589 | 4455 | #endif /* TARGET_I386 && TARGET_ABI32 */ |
8d18e893 | 4456 | |
d2fd1af7 | 4457 | #ifndef TARGET_ABI32 |
2667e71c | 4458 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 4459 | { |
1add8698 | 4460 | abi_long ret = 0; |
d2fd1af7 FB |
4461 | abi_ulong val; |
4462 | int idx; | |
1add8698 | 4463 | |
d2fd1af7 FB |
4464 | switch(code) { |
4465 | case TARGET_ARCH_SET_GS: | |
4466 | case TARGET_ARCH_SET_FS: | |
4467 | if (code == TARGET_ARCH_SET_GS) | |
4468 | idx = R_GS; | |
4469 | else | |
4470 | idx = R_FS; | |
4471 | cpu_x86_load_seg(env, idx, 0); | |
4472 | env->segs[idx].base = addr; | |
4473 | break; | |
4474 | case TARGET_ARCH_GET_GS: | |
4475 | case TARGET_ARCH_GET_FS: | |
4476 | if (code == TARGET_ARCH_GET_GS) | |
4477 | idx = R_GS; | |
4478 | else | |
4479 | idx = R_FS; | |
4480 | val = env->segs[idx].base; | |
4481 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 4482 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
4483 | break; |
4484 | default: | |
4485 | ret = -TARGET_EINVAL; | |
4486 | break; | |
4487 | } | |
1add8698 | 4488 | return ret; |
d2fd1af7 FB |
4489 | } |
4490 | #endif | |
4491 | ||
2ab83ea7 FB |
4492 | #endif /* defined(TARGET_I386) */ |
4493 | ||
05098a93 | 4494 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 4495 | |
d865bab5 PB |
4496 | |
4497 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
4498 | typedef struct { | |
9349b4f9 | 4499 | CPUArchState *env; |
d865bab5 PB |
4500 | pthread_mutex_t mutex; |
4501 | pthread_cond_t cond; | |
4502 | pthread_t thread; | |
4503 | uint32_t tid; | |
4504 | abi_ulong child_tidptr; | |
4505 | abi_ulong parent_tidptr; | |
4506 | sigset_t sigmask; | |
4507 | } new_thread_info; | |
4508 | ||
4509 | static void *clone_func(void *arg) | |
4510 | { | |
4511 | new_thread_info *info = arg; | |
9349b4f9 | 4512 | CPUArchState *env; |
0d34282f | 4513 | CPUState *cpu; |
edf8e2af | 4514 | TaskState *ts; |
d865bab5 PB |
4515 | |
4516 | env = info->env; | |
0d34282f | 4517 | cpu = ENV_GET_CPU(env); |
a2247f8e | 4518 | thread_cpu = cpu; |
0429a971 | 4519 | ts = (TaskState *)cpu->opaque; |
d865bab5 | 4520 | info->tid = gettid(); |
0d34282f | 4521 | cpu->host_tid = info->tid; |
edf8e2af | 4522 | task_settid(ts); |
d865bab5 PB |
4523 | if (info->child_tidptr) |
4524 | put_user_u32(info->tid, info->child_tidptr); | |
4525 | if (info->parent_tidptr) | |
4526 | put_user_u32(info->tid, info->parent_tidptr); | |
4527 | /* Enable signals. */ | |
4528 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
4529 | /* Signal to the parent that we're ready. */ | |
4530 | pthread_mutex_lock(&info->mutex); | |
4531 | pthread_cond_broadcast(&info->cond); | |
4532 | pthread_mutex_unlock(&info->mutex); | |
4533 | /* Wait until the parent has finshed initializing the tls state. */ | |
4534 | pthread_mutex_lock(&clone_lock); | |
4535 | pthread_mutex_unlock(&clone_lock); | |
4536 | cpu_loop(env); | |
4537 | /* never exits */ | |
4538 | return NULL; | |
4539 | } | |
1b6b029e | 4540 | |
0da46a6e TS |
4541 | /* do_fork() Must return host values and target errnos (unlike most |
4542 | do_*() functions). */ | |
9349b4f9 | 4543 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
4544 | abi_ulong parent_tidptr, target_ulong newtls, |
4545 | abi_ulong child_tidptr) | |
1b6b029e | 4546 | { |
0429a971 | 4547 | CPUState *cpu = ENV_GET_CPU(env); |
1b6b029e | 4548 | int ret; |
5cd4393b | 4549 | TaskState *ts; |
0429a971 | 4550 | CPUState *new_cpu; |
9349b4f9 | 4551 | CPUArchState *new_env; |
d865bab5 PB |
4552 | unsigned int nptl_flags; |
4553 | sigset_t sigmask; | |
3b46e624 | 4554 | |
436d124b AZ |
4555 | /* Emulate vfork() with fork() */ |
4556 | if (flags & CLONE_VFORK) | |
4557 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
4558 | ||
1b6b029e | 4559 | if (flags & CLONE_VM) { |
0429a971 | 4560 | TaskState *parent_ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
4561 | new_thread_info info; |
4562 | pthread_attr_t attr; | |
24cb36a6 | 4563 | |
7267c094 | 4564 | ts = g_malloc0(sizeof(TaskState)); |
624f7979 | 4565 | init_task_state(ts); |
1b6b029e | 4566 | /* we create a new CPU instance. */ |
c5be9f08 | 4567 | new_env = cpu_copy(env); |
6e68e076 PB |
4568 | /* Init regs that differ from the parent. */ |
4569 | cpu_clone_regs(new_env, newsp); | |
0429a971 AF |
4570 | new_cpu = ENV_GET_CPU(new_env); |
4571 | new_cpu->opaque = ts; | |
edf8e2af MW |
4572 | ts->bprm = parent_ts->bprm; |
4573 | ts->info = parent_ts->info; | |
d865bab5 PB |
4574 | nptl_flags = flags; |
4575 | flags &= ~CLONE_NPTL_FLAGS2; | |
4576 | ||
c2764719 PB |
4577 | if (nptl_flags & CLONE_CHILD_CLEARTID) { |
4578 | ts->child_tidptr = child_tidptr; | |
4579 | } | |
4580 | ||
d865bab5 PB |
4581 | if (nptl_flags & CLONE_SETTLS) |
4582 | cpu_set_tls (new_env, newtls); | |
4583 | ||
4584 | /* Grab a mutex so that thread setup appears atomic. */ | |
4585 | pthread_mutex_lock(&clone_lock); | |
4586 | ||
4587 | memset(&info, 0, sizeof(info)); | |
4588 | pthread_mutex_init(&info.mutex, NULL); | |
4589 | pthread_mutex_lock(&info.mutex); | |
4590 | pthread_cond_init(&info.cond, NULL); | |
4591 | info.env = new_env; | |
4592 | if (nptl_flags & CLONE_CHILD_SETTID) | |
4593 | info.child_tidptr = child_tidptr; | |
4594 | if (nptl_flags & CLONE_PARENT_SETTID) | |
4595 | info.parent_tidptr = parent_tidptr; | |
4596 | ||
4597 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
4598 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
4599 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
4600 | /* It is not safe to deliver signals until the child has finished |
4601 | initializing, so temporarily block all signals. */ | |
4602 | sigfillset(&sigmask); | |
4603 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
4604 | ||
4605 | ret = pthread_create(&info.thread, &attr, clone_func, &info); | |
c2764719 | 4606 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
4607 | |
4608 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
4609 | pthread_attr_destroy(&attr); | |
4610 | if (ret == 0) { | |
4611 | /* Wait for the child to initialize. */ | |
4612 | pthread_cond_wait(&info.cond, &info.mutex); | |
4613 | ret = info.tid; | |
4614 | if (flags & CLONE_PARENT_SETTID) | |
4615 | put_user_u32(ret, parent_tidptr); | |
4616 | } else { | |
4617 | ret = -1; | |
4618 | } | |
4619 | pthread_mutex_unlock(&info.mutex); | |
4620 | pthread_cond_destroy(&info.cond); | |
4621 | pthread_mutex_destroy(&info.mutex); | |
4622 | pthread_mutex_unlock(&clone_lock); | |
1b6b029e FB |
4623 | } else { |
4624 | /* if no CLONE_VM, we consider it is a fork */ | |
d865bab5 | 4625 | if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) |
1b6b029e | 4626 | return -EINVAL; |
d865bab5 | 4627 | fork_start(); |
1b6b029e | 4628 | ret = fork(); |
d865bab5 | 4629 | if (ret == 0) { |
2b1319c8 | 4630 | /* Child Process. */ |
a59629fc | 4631 | rcu_after_fork(); |
d865bab5 PB |
4632 | cpu_clone_regs(env, newsp); |
4633 | fork_end(1); | |
2b1319c8 AJ |
4634 | /* There is a race condition here. The parent process could |
4635 | theoretically read the TID in the child process before the child | |
4636 | tid is set. This would require using either ptrace | |
4637 | (not implemented) or having *_tidptr to point at a shared memory | |
4638 | mapping. We can't repeat the spinlock hack used above because | |
4639 | the child process gets its own copy of the lock. */ | |
d865bab5 PB |
4640 | if (flags & CLONE_CHILD_SETTID) |
4641 | put_user_u32(gettid(), child_tidptr); | |
4642 | if (flags & CLONE_PARENT_SETTID) | |
4643 | put_user_u32(gettid(), parent_tidptr); | |
0429a971 | 4644 | ts = (TaskState *)cpu->opaque; |
d865bab5 PB |
4645 | if (flags & CLONE_SETTLS) |
4646 | cpu_set_tls (env, newtls); | |
c2764719 PB |
4647 | if (flags & CLONE_CHILD_CLEARTID) |
4648 | ts->child_tidptr = child_tidptr; | |
d865bab5 PB |
4649 | } else { |
4650 | fork_end(0); | |
4651 | } | |
1b6b029e FB |
4652 | } |
4653 | return ret; | |
4654 | } | |
4655 | ||
5f106811 APR |
4656 | /* warning : doesn't handle linux specific flags... */ |
4657 | static int target_to_host_fcntl_cmd(int cmd) | |
4658 | { | |
4659 | switch(cmd) { | |
4660 | case TARGET_F_DUPFD: | |
4661 | case TARGET_F_GETFD: | |
4662 | case TARGET_F_SETFD: | |
4663 | case TARGET_F_GETFL: | |
4664 | case TARGET_F_SETFL: | |
4665 | return cmd; | |
4666 | case TARGET_F_GETLK: | |
4667 | return F_GETLK; | |
4668 | case TARGET_F_SETLK: | |
4669 | return F_SETLK; | |
4670 | case TARGET_F_SETLKW: | |
4671 | return F_SETLKW; | |
4672 | case TARGET_F_GETOWN: | |
4673 | return F_GETOWN; | |
4674 | case TARGET_F_SETOWN: | |
4675 | return F_SETOWN; | |
4676 | case TARGET_F_GETSIG: | |
4677 | return F_GETSIG; | |
4678 | case TARGET_F_SETSIG: | |
4679 | return F_SETSIG; | |
4680 | #if TARGET_ABI_BITS == 32 | |
4681 | case TARGET_F_GETLK64: | |
4682 | return F_GETLK64; | |
4683 | case TARGET_F_SETLK64: | |
4684 | return F_SETLK64; | |
4685 | case TARGET_F_SETLKW64: | |
4686 | return F_SETLKW64; | |
4687 | #endif | |
7e22e546 UH |
4688 | case TARGET_F_SETLEASE: |
4689 | return F_SETLEASE; | |
4690 | case TARGET_F_GETLEASE: | |
4691 | return F_GETLEASE; | |
fbd5de9b | 4692 | #ifdef F_DUPFD_CLOEXEC |
7e22e546 UH |
4693 | case TARGET_F_DUPFD_CLOEXEC: |
4694 | return F_DUPFD_CLOEXEC; | |
fbd5de9b | 4695 | #endif |
7e22e546 UH |
4696 | case TARGET_F_NOTIFY: |
4697 | return F_NOTIFY; | |
8d5d3004 AS |
4698 | #ifdef F_GETOWN_EX |
4699 | case TARGET_F_GETOWN_EX: | |
4700 | return F_GETOWN_EX; | |
4701 | #endif | |
4702 | #ifdef F_SETOWN_EX | |
4703 | case TARGET_F_SETOWN_EX: | |
4704 | return F_SETOWN_EX; | |
4705 | #endif | |
5f106811 APR |
4706 | default: |
4707 | return -TARGET_EINVAL; | |
4708 | } | |
4709 | return -TARGET_EINVAL; | |
4710 | } | |
4711 | ||
2ba7f730 LV |
4712 | #define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a } |
4713 | static const bitmask_transtbl flock_tbl[] = { | |
4714 | TRANSTBL_CONVERT(F_RDLCK), | |
4715 | TRANSTBL_CONVERT(F_WRLCK), | |
4716 | TRANSTBL_CONVERT(F_UNLCK), | |
4717 | TRANSTBL_CONVERT(F_EXLCK), | |
4718 | TRANSTBL_CONVERT(F_SHLCK), | |
4719 | { 0, 0, 0, 0 } | |
4720 | }; | |
4721 | ||
992f48a0 | 4722 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) |
7775e9ec FB |
4723 | { |
4724 | struct flock fl; | |
53a5960a | 4725 | struct target_flock *target_fl; |
43f238d7 TS |
4726 | struct flock64 fl64; |
4727 | struct target_flock64 *target_fl64; | |
8d5d3004 AS |
4728 | #ifdef F_GETOWN_EX |
4729 | struct f_owner_ex fox; | |
4730 | struct target_f_owner_ex *target_fox; | |
4731 | #endif | |
992f48a0 | 4732 | abi_long ret; |
5f106811 APR |
4733 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
4734 | ||
4735 | if (host_cmd == -TARGET_EINVAL) | |
4736 | return host_cmd; | |
53a5960a | 4737 | |
7775e9ec FB |
4738 | switch(cmd) { |
4739 | case TARGET_F_GETLK: | |
579a97f7 FB |
4740 | if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
4741 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4742 | fl.l_type = |
4743 | target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl); | |
5813427b | 4744 | fl.l_whence = tswap16(target_fl->l_whence); |
cbb21eed MB |
4745 | fl.l_start = tswapal(target_fl->l_start); |
4746 | fl.l_len = tswapal(target_fl->l_len); | |
7e22e546 | 4747 | fl.l_pid = tswap32(target_fl->l_pid); |
5813427b | 4748 | unlock_user_struct(target_fl, arg, 0); |
5f106811 | 4749 | ret = get_errno(fcntl(fd, host_cmd, &fl)); |
7775e9ec | 4750 | if (ret == 0) { |
579a97f7 FB |
4751 | if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) |
4752 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4753 | target_fl->l_type = |
4754 | host_to_target_bitmask(tswap16(fl.l_type), flock_tbl); | |
7775e9ec | 4755 | target_fl->l_whence = tswap16(fl.l_whence); |
cbb21eed MB |
4756 | target_fl->l_start = tswapal(fl.l_start); |
4757 | target_fl->l_len = tswapal(fl.l_len); | |
7e22e546 | 4758 | target_fl->l_pid = tswap32(fl.l_pid); |
53a5960a | 4759 | unlock_user_struct(target_fl, arg, 1); |
7775e9ec FB |
4760 | } |
4761 | break; | |
3b46e624 | 4762 | |
7775e9ec FB |
4763 | case TARGET_F_SETLK: |
4764 | case TARGET_F_SETLKW: | |
579a97f7 FB |
4765 | if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
4766 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4767 | fl.l_type = |
4768 | target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl); | |
7775e9ec | 4769 | fl.l_whence = tswap16(target_fl->l_whence); |
cbb21eed MB |
4770 | fl.l_start = tswapal(target_fl->l_start); |
4771 | fl.l_len = tswapal(target_fl->l_len); | |
7e22e546 | 4772 | fl.l_pid = tswap32(target_fl->l_pid); |
53a5960a | 4773 | unlock_user_struct(target_fl, arg, 0); |
5f106811 | 4774 | ret = get_errno(fcntl(fd, host_cmd, &fl)); |
7775e9ec | 4775 | break; |
3b46e624 | 4776 | |
7775e9ec | 4777 | case TARGET_F_GETLK64: |
579a97f7 FB |
4778 | if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
4779 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4780 | fl64.l_type = |
4781 | target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1; | |
5813427b | 4782 | fl64.l_whence = tswap16(target_fl64->l_whence); |
cbb21eed MB |
4783 | fl64.l_start = tswap64(target_fl64->l_start); |
4784 | fl64.l_len = tswap64(target_fl64->l_len); | |
7e22e546 | 4785 | fl64.l_pid = tswap32(target_fl64->l_pid); |
5813427b | 4786 | unlock_user_struct(target_fl64, arg, 0); |
5f106811 | 4787 | ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 4788 | if (ret == 0) { |
579a97f7 FB |
4789 | if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) |
4790 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4791 | target_fl64->l_type = |
4792 | host_to_target_bitmask(tswap16(fl64.l_type), flock_tbl) >> 1; | |
43f238d7 | 4793 | target_fl64->l_whence = tswap16(fl64.l_whence); |
cbb21eed MB |
4794 | target_fl64->l_start = tswap64(fl64.l_start); |
4795 | target_fl64->l_len = tswap64(fl64.l_len); | |
7e22e546 | 4796 | target_fl64->l_pid = tswap32(fl64.l_pid); |
43f238d7 TS |
4797 | unlock_user_struct(target_fl64, arg, 1); |
4798 | } | |
9ee1fa2c | 4799 | break; |
7775e9ec FB |
4800 | case TARGET_F_SETLK64: |
4801 | case TARGET_F_SETLKW64: | |
579a97f7 FB |
4802 | if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
4803 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4804 | fl64.l_type = |
4805 | target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1; | |
43f238d7 | 4806 | fl64.l_whence = tswap16(target_fl64->l_whence); |
cbb21eed MB |
4807 | fl64.l_start = tswap64(target_fl64->l_start); |
4808 | fl64.l_len = tswap64(target_fl64->l_len); | |
7e22e546 | 4809 | fl64.l_pid = tswap32(target_fl64->l_pid); |
43f238d7 | 4810 | unlock_user_struct(target_fl64, arg, 0); |
5f106811 | 4811 | ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
4812 | break; |
4813 | ||
5f106811 APR |
4814 | case TARGET_F_GETFL: |
4815 | ret = get_errno(fcntl(fd, host_cmd, arg)); | |
9ee1fa2c FB |
4816 | if (ret >= 0) { |
4817 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
4818 | } | |
ffa65c3b FB |
4819 | break; |
4820 | ||
5f106811 APR |
4821 | case TARGET_F_SETFL: |
4822 | ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); | |
4823 | break; | |
4824 | ||
8d5d3004 AS |
4825 | #ifdef F_GETOWN_EX |
4826 | case TARGET_F_GETOWN_EX: | |
4827 | ret = get_errno(fcntl(fd, host_cmd, &fox)); | |
4828 | if (ret >= 0) { | |
4829 | if (!lock_user_struct(VERIFY_WRITE, target_fox, arg, 0)) | |
4830 | return -TARGET_EFAULT; | |
4831 | target_fox->type = tswap32(fox.type); | |
4832 | target_fox->pid = tswap32(fox.pid); | |
4833 | unlock_user_struct(target_fox, arg, 1); | |
4834 | } | |
4835 | break; | |
4836 | #endif | |
4837 | ||
4838 | #ifdef F_SETOWN_EX | |
4839 | case TARGET_F_SETOWN_EX: | |
4840 | if (!lock_user_struct(VERIFY_READ, target_fox, arg, 1)) | |
4841 | return -TARGET_EFAULT; | |
4842 | fox.type = tswap32(target_fox->type); | |
4843 | fox.pid = tswap32(target_fox->pid); | |
4844 | unlock_user_struct(target_fox, arg, 0); | |
4845 | ret = get_errno(fcntl(fd, host_cmd, &fox)); | |
4846 | break; | |
4847 | #endif | |
4848 | ||
5f106811 APR |
4849 | case TARGET_F_SETOWN: |
4850 | case TARGET_F_GETOWN: | |
4851 | case TARGET_F_SETSIG: | |
4852 | case TARGET_F_GETSIG: | |
7e22e546 UH |
4853 | case TARGET_F_SETLEASE: |
4854 | case TARGET_F_GETLEASE: | |
5f106811 | 4855 | ret = get_errno(fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
4856 | break; |
4857 | ||
7775e9ec | 4858 | default: |
9ee1fa2c | 4859 | ret = get_errno(fcntl(fd, cmd, arg)); |
7775e9ec FB |
4860 | break; |
4861 | } | |
4862 | return ret; | |
4863 | } | |
4864 | ||
67867308 | 4865 | #ifdef USE_UID16 |
7775e9ec | 4866 | |
67867308 FB |
4867 | static inline int high2lowuid(int uid) |
4868 | { | |
4869 | if (uid > 65535) | |
4870 | return 65534; | |
4871 | else | |
4872 | return uid; | |
4873 | } | |
4874 | ||
4875 | static inline int high2lowgid(int gid) | |
4876 | { | |
4877 | if (gid > 65535) | |
4878 | return 65534; | |
4879 | else | |
4880 | return gid; | |
4881 | } | |
4882 | ||
4883 | static inline int low2highuid(int uid) | |
4884 | { | |
4885 | if ((int16_t)uid == -1) | |
4886 | return -1; | |
4887 | else | |
4888 | return uid; | |
4889 | } | |
4890 | ||
4891 | static inline int low2highgid(int gid) | |
4892 | { | |
4893 | if ((int16_t)gid == -1) | |
4894 | return -1; | |
4895 | else | |
4896 | return gid; | |
4897 | } | |
0c866a7e RV |
4898 | static inline int tswapid(int id) |
4899 | { | |
4900 | return tswap16(id); | |
4901 | } | |
76ca310a PM |
4902 | |
4903 | #define put_user_id(x, gaddr) put_user_u16(x, gaddr) | |
4904 | ||
0c866a7e RV |
4905 | #else /* !USE_UID16 */ |
4906 | static inline int high2lowuid(int uid) | |
4907 | { | |
4908 | return uid; | |
4909 | } | |
4910 | static inline int high2lowgid(int gid) | |
4911 | { | |
4912 | return gid; | |
4913 | } | |
4914 | static inline int low2highuid(int uid) | |
4915 | { | |
4916 | return uid; | |
4917 | } | |
4918 | static inline int low2highgid(int gid) | |
4919 | { | |
4920 | return gid; | |
4921 | } | |
4922 | static inline int tswapid(int id) | |
4923 | { | |
4924 | return tswap32(id); | |
4925 | } | |
76ca310a PM |
4926 | |
4927 | #define put_user_id(x, gaddr) put_user_u32(x, gaddr) | |
4928 | ||
67867308 | 4929 | #endif /* USE_UID16 */ |
1b6b029e | 4930 | |
31e31b8a FB |
4931 | void syscall_init(void) |
4932 | { | |
2ab83ea7 FB |
4933 | IOCTLEntry *ie; |
4934 | const argtype *arg_type; | |
4935 | int size; | |
b92c47c1 | 4936 | int i; |
2ab83ea7 | 4937 | |
8be656b8 AG |
4938 | thunk_init(STRUCT_MAX); |
4939 | ||
001faf32 | 4940 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 4941 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
4942 | #include "syscall_types.h" |
4943 | #undef STRUCT | |
4944 | #undef STRUCT_SPECIAL | |
2ab83ea7 | 4945 | |
dd6e957a PM |
4946 | /* Build target_to_host_errno_table[] table from |
4947 | * host_to_target_errno_table[]. */ | |
4948 | for (i = 0; i < ERRNO_TABLE_SIZE; i++) { | |
4949 | target_to_host_errno_table[host_to_target_errno_table[i]] = i; | |
4950 | } | |
4951 | ||
2ab83ea7 FB |
4952 | /* we patch the ioctl size if necessary. We rely on the fact that |
4953 | no ioctl has all the bits at '1' in the size field */ | |
4954 | ie = ioctl_entries; | |
4955 | while (ie->target_cmd != 0) { | |
4956 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
4957 | TARGET_IOC_SIZEMASK) { | |
4958 | arg_type = ie->arg_type; | |
4959 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 4960 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
4961 | ie->target_cmd); |
4962 | exit(1); | |
4963 | } | |
4964 | arg_type++; | |
4965 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 4966 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
4967 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
4968 | (size << TARGET_IOC_SIZESHIFT); | |
4969 | } | |
b92c47c1 | 4970 | |
2ab83ea7 | 4971 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
4972 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
4973 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
4974 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
4975 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
4976 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
4977 | } |
4978 | #endif | |
4979 | ie++; | |
4980 | } | |
31e31b8a | 4981 | } |
c573ff67 | 4982 | |
992f48a0 | 4983 | #if TARGET_ABI_BITS == 32 |
ce4defa0 PB |
4984 | static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
4985 | { | |
af325d36 | 4986 | #ifdef TARGET_WORDS_BIGENDIAN |
ce4defa0 PB |
4987 | return ((uint64_t)word0 << 32) | word1; |
4988 | #else | |
4989 | return ((uint64_t)word1 << 32) | word0; | |
4990 | #endif | |
4991 | } | |
992f48a0 | 4992 | #else /* TARGET_ABI_BITS == 32 */ |
32407103 JM |
4993 | static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
4994 | { | |
4995 | return word0; | |
4996 | } | |
992f48a0 | 4997 | #endif /* TARGET_ABI_BITS != 32 */ |
ce4defa0 PB |
4998 | |
4999 | #ifdef TARGET_NR_truncate64 | |
992f48a0 BS |
5000 | static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
5001 | abi_long arg2, | |
5002 | abi_long arg3, | |
5003 | abi_long arg4) | |
ce4defa0 | 5004 | { |
48e515d4 | 5005 | if (regpairs_aligned(cpu_env)) { |
ce4defa0 PB |
5006 | arg2 = arg3; |
5007 | arg3 = arg4; | |
48e515d4 | 5008 | } |
ce4defa0 PB |
5009 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
5010 | } | |
5011 | #endif | |
5012 | ||
5013 | #ifdef TARGET_NR_ftruncate64 | |
992f48a0 BS |
5014 | static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
5015 | abi_long arg2, | |
5016 | abi_long arg3, | |
5017 | abi_long arg4) | |
ce4defa0 | 5018 | { |
48e515d4 | 5019 | if (regpairs_aligned(cpu_env)) { |
ce4defa0 PB |
5020 | arg2 = arg3; |
5021 | arg3 = arg4; | |
48e515d4 | 5022 | } |
ce4defa0 PB |
5023 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
5024 | } | |
5025 | #endif | |
5026 | ||
579a97f7 FB |
5027 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
5028 | abi_ulong target_addr) | |
53a5960a PB |
5029 | { |
5030 | struct target_timespec *target_ts; | |
5031 | ||
579a97f7 FB |
5032 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
5033 | return -TARGET_EFAULT; | |
cbb21eed MB |
5034 | host_ts->tv_sec = tswapal(target_ts->tv_sec); |
5035 | host_ts->tv_nsec = tswapal(target_ts->tv_nsec); | |
53a5960a | 5036 | unlock_user_struct(target_ts, target_addr, 0); |
b255bfa8 | 5037 | return 0; |
53a5960a PB |
5038 | } |
5039 | ||
579a97f7 FB |
5040 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
5041 | struct timespec *host_ts) | |
53a5960a PB |
5042 | { |
5043 | struct target_timespec *target_ts; | |
5044 | ||
579a97f7 FB |
5045 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
5046 | return -TARGET_EFAULT; | |
cbb21eed MB |
5047 | target_ts->tv_sec = tswapal(host_ts->tv_sec); |
5048 | target_ts->tv_nsec = tswapal(host_ts->tv_nsec); | |
53a5960a | 5049 | unlock_user_struct(target_ts, target_addr, 1); |
b255bfa8 | 5050 | return 0; |
53a5960a PB |
5051 | } |
5052 | ||
f4f1e10a ECL |
5053 | static inline abi_long target_to_host_itimerspec(struct itimerspec *host_itspec, |
5054 | abi_ulong target_addr) | |
5055 | { | |
5056 | struct target_itimerspec *target_itspec; | |
5057 | ||
5058 | if (!lock_user_struct(VERIFY_READ, target_itspec, target_addr, 1)) { | |
5059 | return -TARGET_EFAULT; | |
5060 | } | |
5061 | ||
5062 | host_itspec->it_interval.tv_sec = | |
5063 | tswapal(target_itspec->it_interval.tv_sec); | |
5064 | host_itspec->it_interval.tv_nsec = | |
5065 | tswapal(target_itspec->it_interval.tv_nsec); | |
5066 | host_itspec->it_value.tv_sec = tswapal(target_itspec->it_value.tv_sec); | |
5067 | host_itspec->it_value.tv_nsec = tswapal(target_itspec->it_value.tv_nsec); | |
5068 | ||
5069 | unlock_user_struct(target_itspec, target_addr, 1); | |
5070 | return 0; | |
5071 | } | |
5072 | ||
5073 | static inline abi_long host_to_target_itimerspec(abi_ulong target_addr, | |
5074 | struct itimerspec *host_its) | |
5075 | { | |
5076 | struct target_itimerspec *target_itspec; | |
5077 | ||
5078 | if (!lock_user_struct(VERIFY_WRITE, target_itspec, target_addr, 0)) { | |
5079 | return -TARGET_EFAULT; | |
5080 | } | |
5081 | ||
5082 | target_itspec->it_interval.tv_sec = tswapal(host_its->it_interval.tv_sec); | |
5083 | target_itspec->it_interval.tv_nsec = tswapal(host_its->it_interval.tv_nsec); | |
5084 | ||
5085 | target_itspec->it_value.tv_sec = tswapal(host_its->it_value.tv_sec); | |
5086 | target_itspec->it_value.tv_nsec = tswapal(host_its->it_value.tv_nsec); | |
5087 | ||
5088 | unlock_user_struct(target_itspec, target_addr, 0); | |
5089 | return 0; | |
5090 | } | |
5091 | ||
c065976f PM |
5092 | static inline abi_long target_to_host_sigevent(struct sigevent *host_sevp, |
5093 | abi_ulong target_addr) | |
5094 | { | |
5095 | struct target_sigevent *target_sevp; | |
5096 | ||
5097 | if (!lock_user_struct(VERIFY_READ, target_sevp, target_addr, 1)) { | |
5098 | return -TARGET_EFAULT; | |
5099 | } | |
5100 | ||
5101 | /* This union is awkward on 64 bit systems because it has a 32 bit | |
5102 | * integer and a pointer in it; we follow the conversion approach | |
5103 | * used for handling sigval types in signal.c so the guest should get | |
5104 | * the correct value back even if we did a 64 bit byteswap and it's | |
5105 | * using the 32 bit integer. | |
5106 | */ | |
5107 | host_sevp->sigev_value.sival_ptr = | |
5108 | (void *)(uintptr_t)tswapal(target_sevp->sigev_value.sival_ptr); | |
5109 | host_sevp->sigev_signo = | |
5110 | target_to_host_signal(tswap32(target_sevp->sigev_signo)); | |
5111 | host_sevp->sigev_notify = tswap32(target_sevp->sigev_notify); | |
5112 | host_sevp->_sigev_un._tid = tswap32(target_sevp->_sigev_un._tid); | |
5113 | ||
5114 | unlock_user_struct(target_sevp, target_addr, 1); | |
5115 | return 0; | |
5116 | } | |
5117 | ||
6f6a4032 TM |
5118 | #if defined(TARGET_NR_mlockall) |
5119 | static inline int target_to_host_mlockall_arg(int arg) | |
5120 | { | |
5121 | int result = 0; | |
5122 | ||
5123 | if (arg & TARGET_MLOCKALL_MCL_CURRENT) { | |
5124 | result |= MCL_CURRENT; | |
5125 | } | |
5126 | if (arg & TARGET_MLOCKALL_MCL_FUTURE) { | |
5127 | result |= MCL_FUTURE; | |
5128 | } | |
5129 | return result; | |
5130 | } | |
5131 | #endif | |
5132 | ||
9d33b76b | 5133 | #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat) |
6a24a778 AZ |
5134 | static inline abi_long host_to_target_stat64(void *cpu_env, |
5135 | abi_ulong target_addr, | |
5136 | struct stat *host_st) | |
5137 | { | |
09701199 | 5138 | #if defined(TARGET_ARM) && defined(TARGET_ABI32) |
6a24a778 AZ |
5139 | if (((CPUARMState *)cpu_env)->eabi) { |
5140 | struct target_eabi_stat64 *target_st; | |
5141 | ||
5142 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
5143 | return -TARGET_EFAULT; | |
5144 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
5145 | __put_user(host_st->st_dev, &target_st->st_dev); | |
5146 | __put_user(host_st->st_ino, &target_st->st_ino); | |
5147 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
5148 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
5149 | #endif | |
5150 | __put_user(host_st->st_mode, &target_st->st_mode); | |
5151 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
5152 | __put_user(host_st->st_uid, &target_st->st_uid); | |
5153 | __put_user(host_st->st_gid, &target_st->st_gid); | |
5154 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
5155 | __put_user(host_st->st_size, &target_st->st_size); | |
5156 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
5157 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
5158 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
5159 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
5160 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
5161 | unlock_user_struct(target_st, target_addr, 1); | |
5162 | } else | |
5163 | #endif | |
5164 | { | |
20d155bc | 5165 | #if defined(TARGET_HAS_STRUCT_STAT64) |
6a24a778 | 5166 | struct target_stat64 *target_st; |
20d155bc SW |
5167 | #else |
5168 | struct target_stat *target_st; | |
9d33b76b | 5169 | #endif |
6a24a778 AZ |
5170 | |
5171 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
5172 | return -TARGET_EFAULT; | |
9d33b76b | 5173 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
5174 | __put_user(host_st->st_dev, &target_st->st_dev); |
5175 | __put_user(host_st->st_ino, &target_st->st_ino); | |
5176 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
5177 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
5178 | #endif | |
5179 | __put_user(host_st->st_mode, &target_st->st_mode); | |
5180 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
5181 | __put_user(host_st->st_uid, &target_st->st_uid); | |
5182 | __put_user(host_st->st_gid, &target_st->st_gid); | |
5183 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
5184 | /* XXX: better use of kernel struct */ | |
5185 | __put_user(host_st->st_size, &target_st->st_size); | |
5186 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
5187 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
5188 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
5189 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
5190 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
5191 | unlock_user_struct(target_st, target_addr, 1); | |
5192 | } | |
5193 | ||
5194 | return 0; | |
5195 | } | |
5196 | #endif | |
5197 | ||
bd0c5661 PB |
5198 | /* ??? Using host futex calls even when target atomic operations |
5199 | are not really atomic probably breaks things. However implementing | |
5200 | futexes locally would make futexes shared between multiple processes | |
5201 | tricky. However they're probably useless because guest atomic | |
5202 | operations won't work either. */ | |
8fcd3692 BS |
5203 | static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
5204 | target_ulong uaddr2, int val3) | |
bd0c5661 PB |
5205 | { |
5206 | struct timespec ts, *pts; | |
a16aae0c | 5207 | int base_op; |
bd0c5661 PB |
5208 | |
5209 | /* ??? We assume FUTEX_* constants are the same on both host | |
5210 | and target. */ | |
a29ccd63 | 5211 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 5212 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 5213 | #else |
a16aae0c | 5214 | base_op = op; |
a29ccd63 | 5215 | #endif |
a16aae0c | 5216 | switch (base_op) { |
bd0c5661 | 5217 | case FUTEX_WAIT: |
cce246e0 | 5218 | case FUTEX_WAIT_BITSET: |
bd0c5661 PB |
5219 | if (timeout) { |
5220 | pts = &ts; | |
5221 | target_to_host_timespec(pts, timeout); | |
5222 | } else { | |
5223 | pts = NULL; | |
5224 | } | |
a29ccd63 | 5225 | return get_errno(sys_futex(g2h(uaddr), op, tswap32(val), |
cce246e0 | 5226 | pts, NULL, val3)); |
bd0c5661 | 5227 | case FUTEX_WAKE: |
a29ccd63 | 5228 | return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 5229 | case FUTEX_FD: |
a29ccd63 | 5230 | return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 5231 | case FUTEX_REQUEUE: |
bd0c5661 | 5232 | case FUTEX_CMP_REQUEUE: |
a16aae0c NF |
5233 | case FUTEX_WAKE_OP: |
5234 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
5235 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
5236 | But the prototype takes a `struct timespec *'; insert casts | |
5237 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
5238 | since it's not compared to guest memory. */ | |
5239 | pts = (struct timespec *)(uintptr_t) timeout; | |
5240 | return get_errno(sys_futex(g2h(uaddr), op, val, pts, | |
5241 | g2h(uaddr2), | |
5242 | (base_op == FUTEX_CMP_REQUEUE | |
5243 | ? tswap32(val3) | |
5244 | : val3))); | |
bd0c5661 PB |
5245 | default: |
5246 | return -TARGET_ENOSYS; | |
5247 | } | |
5248 | } | |
bd0c5661 | 5249 | |
1d9d8b55 PB |
5250 | /* Map host to target signal numbers for the wait family of syscalls. |
5251 | Assume all other status bits are the same. */ | |
a05c6409 | 5252 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
5253 | { |
5254 | if (WIFSIGNALED(status)) { | |
5255 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
5256 | } | |
5257 | if (WIFSTOPPED(status)) { | |
5258 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
5259 | | (status & 0xff); | |
5260 | } | |
5261 | return status; | |
5262 | } | |
5263 | ||
76b94245 WVS |
5264 | static int open_self_cmdline(void *cpu_env, int fd) |
5265 | { | |
5266 | int fd_orig = -1; | |
5267 | bool word_skipped = false; | |
5268 | ||
5269 | fd_orig = open("/proc/self/cmdline", O_RDONLY); | |
5270 | if (fd_orig < 0) { | |
5271 | return fd_orig; | |
5272 | } | |
5273 | ||
5274 | while (true) { | |
5275 | ssize_t nb_read; | |
5276 | char buf[128]; | |
5277 | char *cp_buf = buf; | |
5278 | ||
5279 | nb_read = read(fd_orig, buf, sizeof(buf)); | |
5280 | if (nb_read < 0) { | |
5281 | fd_orig = close(fd_orig); | |
5282 | return -1; | |
5283 | } else if (nb_read == 0) { | |
5284 | break; | |
5285 | } | |
5286 | ||
5287 | if (!word_skipped) { | |
5288 | /* Skip the first string, which is the path to qemu-*-static | |
5289 | instead of the actual command. */ | |
5290 | cp_buf = memchr(buf, 0, sizeof(buf)); | |
5291 | if (cp_buf) { | |
5292 | /* Null byte found, skip one string */ | |
5293 | cp_buf++; | |
5294 | nb_read -= cp_buf - buf; | |
5295 | word_skipped = true; | |
5296 | } | |
5297 | } | |
5298 | ||
5299 | if (word_skipped) { | |
5300 | if (write(fd, cp_buf, nb_read) != nb_read) { | |
680dfde9 | 5301 | close(fd_orig); |
76b94245 WVS |
5302 | return -1; |
5303 | } | |
5304 | } | |
5305 | } | |
5306 | ||
5307 | return close(fd_orig); | |
5308 | } | |
5309 | ||
36c08d49 AG |
5310 | static int open_self_maps(void *cpu_env, int fd) |
5311 | { | |
0429a971 AF |
5312 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
5313 | TaskState *ts = cpu->opaque; | |
1a49ef2a AG |
5314 | FILE *fp; |
5315 | char *line = NULL; | |
5316 | size_t len = 0; | |
5317 | ssize_t read; | |
5318 | ||
5319 | fp = fopen("/proc/self/maps", "r"); | |
5320 | if (fp == NULL) { | |
5321 | return -EACCES; | |
5322 | } | |
36c08d49 | 5323 | |
1a49ef2a AG |
5324 | while ((read = getline(&line, &len, fp)) != -1) { |
5325 | int fields, dev_maj, dev_min, inode; | |
5326 | uint64_t min, max, offset; | |
5327 | char flag_r, flag_w, flag_x, flag_p; | |
5328 | char path[512] = ""; | |
5329 | fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d" | |
5330 | " %512s", &min, &max, &flag_r, &flag_w, &flag_x, | |
5331 | &flag_p, &offset, &dev_maj, &dev_min, &inode, path); | |
5332 | ||
5333 | if ((fields < 10) || (fields > 11)) { | |
5334 | continue; | |
5335 | } | |
d67f4aaa MI |
5336 | if (h2g_valid(min)) { |
5337 | int flags = page_get_flags(h2g(min)); | |
5338 | max = h2g_valid(max - 1) ? max : (uintptr_t)g2h(GUEST_ADDR_MAX); | |
5339 | if (page_check_range(h2g(min), max - min, flags) == -1) { | |
5340 | continue; | |
5341 | } | |
5342 | if (h2g(min) == ts->info->stack_limit) { | |
5343 | pstrcpy(path, sizeof(path), " [stack]"); | |
5344 | } | |
1a49ef2a | 5345 | dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx |
e24fed4e | 5346 | " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n", |
d67f4aaa | 5347 | h2g(min), h2g(max - 1) + 1, flag_r, flag_w, |
1a49ef2a | 5348 | flag_x, flag_p, offset, dev_maj, dev_min, inode, |
e24fed4e | 5349 | path[0] ? " " : "", path); |
1a49ef2a AG |
5350 | } |
5351 | } | |
5352 | ||
5353 | free(line); | |
5354 | fclose(fp); | |
5355 | ||
36c08d49 AG |
5356 | return 0; |
5357 | } | |
5358 | ||
480b8e7d AG |
5359 | static int open_self_stat(void *cpu_env, int fd) |
5360 | { | |
0429a971 AF |
5361 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
5362 | TaskState *ts = cpu->opaque; | |
480b8e7d AG |
5363 | abi_ulong start_stack = ts->info->start_stack; |
5364 | int i; | |
5365 | ||
5366 | for (i = 0; i < 44; i++) { | |
5367 | char buf[128]; | |
5368 | int len; | |
5369 | uint64_t val = 0; | |
5370 | ||
e0e65bee FE |
5371 | if (i == 0) { |
5372 | /* pid */ | |
5373 | val = getpid(); | |
5374 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
5375 | } else if (i == 1) { | |
5376 | /* app name */ | |
5377 | snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]); | |
5378 | } else if (i == 27) { | |
5379 | /* stack bottom */ | |
5380 | val = start_stack; | |
5381 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
5382 | } else { | |
5383 | /* for the rest, there is MasterCard */ | |
5384 | snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' '); | |
480b8e7d | 5385 | } |
e0e65bee | 5386 | |
480b8e7d AG |
5387 | len = strlen(buf); |
5388 | if (write(fd, buf, len) != len) { | |
5389 | return -1; | |
5390 | } | |
5391 | } | |
5392 | ||
5393 | return 0; | |
5394 | } | |
5395 | ||
257450ee AG |
5396 | static int open_self_auxv(void *cpu_env, int fd) |
5397 | { | |
0429a971 AF |
5398 | CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env); |
5399 | TaskState *ts = cpu->opaque; | |
257450ee AG |
5400 | abi_ulong auxv = ts->info->saved_auxv; |
5401 | abi_ulong len = ts->info->auxv_len; | |
5402 | char *ptr; | |
5403 | ||
5404 | /* | |
5405 | * Auxiliary vector is stored in target process stack. | |
5406 | * read in whole auxv vector and copy it to file | |
5407 | */ | |
5408 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
5409 | if (ptr != NULL) { | |
5410 | while (len > 0) { | |
5411 | ssize_t r; | |
5412 | r = write(fd, ptr, len); | |
5413 | if (r <= 0) { | |
5414 | break; | |
5415 | } | |
5416 | len -= r; | |
5417 | ptr += r; | |
5418 | } | |
5419 | lseek(fd, 0, SEEK_SET); | |
5420 | unlock_user(ptr, auxv, len); | |
5421 | } | |
5422 | ||
5423 | return 0; | |
5424 | } | |
5425 | ||
463d8e73 AS |
5426 | static int is_proc_myself(const char *filename, const char *entry) |
5427 | { | |
5428 | if (!strncmp(filename, "/proc/", strlen("/proc/"))) { | |
5429 | filename += strlen("/proc/"); | |
5430 | if (!strncmp(filename, "self/", strlen("self/"))) { | |
5431 | filename += strlen("self/"); | |
5432 | } else if (*filename >= '1' && *filename <= '9') { | |
5433 | char myself[80]; | |
5434 | snprintf(myself, sizeof(myself), "%d/", getpid()); | |
5435 | if (!strncmp(filename, myself, strlen(myself))) { | |
5436 | filename += strlen(myself); | |
5437 | } else { | |
5438 | return 0; | |
5439 | } | |
5440 | } else { | |
5441 | return 0; | |
5442 | } | |
5443 | if (!strcmp(filename, entry)) { | |
5444 | return 1; | |
5445 | } | |
5446 | } | |
5447 | return 0; | |
5448 | } | |
5449 | ||
de6b9933 LV |
5450 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
5451 | static int is_proc(const char *filename, const char *entry) | |
5452 | { | |
5453 | return strcmp(filename, entry) == 0; | |
5454 | } | |
5455 | ||
5456 | static int open_net_route(void *cpu_env, int fd) | |
5457 | { | |
5458 | FILE *fp; | |
5459 | char *line = NULL; | |
5460 | size_t len = 0; | |
5461 | ssize_t read; | |
5462 | ||
5463 | fp = fopen("/proc/net/route", "r"); | |
5464 | if (fp == NULL) { | |
5465 | return -EACCES; | |
5466 | } | |
5467 | ||
5468 | /* read header */ | |
5469 | ||
5470 | read = getline(&line, &len, fp); | |
5471 | dprintf(fd, "%s", line); | |
5472 | ||
5473 | /* read routes */ | |
5474 | ||
5475 | while ((read = getline(&line, &len, fp)) != -1) { | |
5476 | char iface[16]; | |
5477 | uint32_t dest, gw, mask; | |
5478 | unsigned int flags, refcnt, use, metric, mtu, window, irtt; | |
5479 | sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
5480 | iface, &dest, &gw, &flags, &refcnt, &use, &metric, | |
5481 | &mask, &mtu, &window, &irtt); | |
5482 | dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
5483 | iface, tswap32(dest), tswap32(gw), flags, refcnt, use, | |
5484 | metric, tswap32(mask), mtu, window, irtt); | |
5485 | } | |
5486 | ||
5487 | free(line); | |
5488 | fclose(fp); | |
5489 | ||
5490 | return 0; | |
5491 | } | |
5492 | #endif | |
5493 | ||
0b2effd7 | 5494 | static int do_openat(void *cpu_env, int dirfd, const char *pathname, int flags, mode_t mode) |
3be14d05 AG |
5495 | { |
5496 | struct fake_open { | |
5497 | const char *filename; | |
5498 | int (*fill)(void *cpu_env, int fd); | |
de6b9933 | 5499 | int (*cmp)(const char *s1, const char *s2); |
3be14d05 AG |
5500 | }; |
5501 | const struct fake_open *fake_open; | |
5502 | static const struct fake_open fakes[] = { | |
de6b9933 LV |
5503 | { "maps", open_self_maps, is_proc_myself }, |
5504 | { "stat", open_self_stat, is_proc_myself }, | |
5505 | { "auxv", open_self_auxv, is_proc_myself }, | |
76b94245 | 5506 | { "cmdline", open_self_cmdline, is_proc_myself }, |
de6b9933 LV |
5507 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
5508 | { "/proc/net/route", open_net_route, is_proc }, | |
5509 | #endif | |
5510 | { NULL, NULL, NULL } | |
3be14d05 AG |
5511 | }; |
5512 | ||
aa07f5ec MO |
5513 | if (is_proc_myself(pathname, "exe")) { |
5514 | int execfd = qemu_getauxval(AT_EXECFD); | |
0b2effd7 | 5515 | return execfd ? execfd : get_errno(sys_openat(dirfd, exec_path, flags, mode)); |
aa07f5ec MO |
5516 | } |
5517 | ||
3be14d05 | 5518 | for (fake_open = fakes; fake_open->filename; fake_open++) { |
de6b9933 | 5519 | if (fake_open->cmp(pathname, fake_open->filename)) { |
3be14d05 AG |
5520 | break; |
5521 | } | |
5522 | } | |
5523 | ||
5524 | if (fake_open->filename) { | |
5525 | const char *tmpdir; | |
5526 | char filename[PATH_MAX]; | |
5527 | int fd, r; | |
5528 | ||
5529 | /* create temporary file to map stat to */ | |
5530 | tmpdir = getenv("TMPDIR"); | |
5531 | if (!tmpdir) | |
5532 | tmpdir = "/tmp"; | |
5533 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
5534 | fd = mkstemp(filename); | |
5535 | if (fd < 0) { | |
5536 | return fd; | |
5537 | } | |
5538 | unlink(filename); | |
5539 | ||
5540 | if ((r = fake_open->fill(cpu_env, fd))) { | |
5541 | close(fd); | |
5542 | return r; | |
5543 | } | |
5544 | lseek(fd, 0, SEEK_SET); | |
5545 | ||
5546 | return fd; | |
5547 | } | |
5548 | ||
0b2effd7 | 5549 | return get_errno(sys_openat(dirfd, path(pathname), flags, mode)); |
3be14d05 AG |
5550 | } |
5551 | ||
aecc8861 AG |
5552 | #define TIMER_MAGIC 0x0caf0000 |
5553 | #define TIMER_MAGIC_MASK 0xffff0000 | |
5554 | ||
5555 | /* Convert QEMU provided timer ID back to internal 16bit index format */ | |
5556 | static target_timer_t get_timer_id(abi_long arg) | |
5557 | { | |
5558 | target_timer_t timerid = arg; | |
5559 | ||
5560 | if ((timerid & TIMER_MAGIC_MASK) != TIMER_MAGIC) { | |
5561 | return -TARGET_EINVAL; | |
5562 | } | |
5563 | ||
5564 | timerid &= 0xffff; | |
5565 | ||
5566 | if (timerid >= ARRAY_SIZE(g_posix_timers)) { | |
5567 | return -TARGET_EINVAL; | |
5568 | } | |
5569 | ||
5570 | return timerid; | |
5571 | } | |
5572 | ||
0da46a6e TS |
5573 | /* do_syscall() should always have a single exit point at the end so |
5574 | that actions, such as logging of syscall results, can be performed. | |
5575 | All errnos that do_syscall() returns must be -TARGET_<errcode>. */ | |
992f48a0 BS |
5576 | abi_long do_syscall(void *cpu_env, int num, abi_long arg1, |
5577 | abi_long arg2, abi_long arg3, abi_long arg4, | |
5945cfcb PM |
5578 | abi_long arg5, abi_long arg6, abi_long arg7, |
5579 | abi_long arg8) | |
31e31b8a | 5580 | { |
182735ef | 5581 | CPUState *cpu = ENV_GET_CPU(cpu_env); |
992f48a0 | 5582 | abi_long ret; |
31e31b8a | 5583 | struct stat st; |
56c8f68f | 5584 | struct statfs stfs; |
53a5960a | 5585 | void *p; |
3b46e624 | 5586 | |
72f03900 | 5587 | #ifdef DEBUG |
c573ff67 | 5588 | gemu_log("syscall %d", num); |
72f03900 | 5589 | #endif |
b92c47c1 TS |
5590 | if(do_strace) |
5591 | print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); | |
5592 | ||
31e31b8a FB |
5593 | switch(num) { |
5594 | case TARGET_NR_exit: | |
9b056fcc AF |
5595 | /* In old applications this may be used to implement _exit(2). |
5596 | However in threaded applictions it is used for thread termination, | |
5597 | and _exit_group is used for application termination. | |
5598 | Do thread termination if we have more then one thread. */ | |
5599 | /* FIXME: This probably breaks if a signal arrives. We should probably | |
5600 | be disabling signals. */ | |
bdc44640 | 5601 | if (CPU_NEXT(first_cpu)) { |
9b056fcc | 5602 | TaskState *ts; |
9b056fcc AF |
5603 | |
5604 | cpu_list_lock(); | |
9b056fcc | 5605 | /* Remove the CPU from the list. */ |
bdc44640 | 5606 | QTAILQ_REMOVE(&cpus, cpu, node); |
9b056fcc | 5607 | cpu_list_unlock(); |
0429a971 | 5608 | ts = cpu->opaque; |
9b056fcc AF |
5609 | if (ts->child_tidptr) { |
5610 | put_user_u32(0, ts->child_tidptr); | |
5611 | sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, | |
5612 | NULL, NULL, 0); | |
5613 | } | |
a2247f8e | 5614 | thread_cpu = NULL; |
0429a971 | 5615 | object_unref(OBJECT(cpu)); |
9b056fcc AF |
5616 | g_free(ts); |
5617 | pthread_exit(NULL); | |
5618 | } | |
9788c9ca | 5619 | #ifdef TARGET_GPROF |
7d13299d FB |
5620 | _mcleanup(); |
5621 | #endif | |
e9009676 | 5622 | gdb_exit(cpu_env, arg1); |
c2764719 | 5623 | _exit(arg1); |
31e31b8a FB |
5624 | ret = 0; /* avoid warning */ |
5625 | break; | |
5626 | case TARGET_NR_read: | |
38d840e6 AJ |
5627 | if (arg3 == 0) |
5628 | ret = 0; | |
5629 | else { | |
5630 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) | |
5631 | goto efault; | |
5632 | ret = get_errno(read(arg1, p, arg3)); | |
5633 | unlock_user(p, arg2, ret); | |
5634 | } | |
31e31b8a FB |
5635 | break; |
5636 | case TARGET_NR_write: | |
579a97f7 FB |
5637 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
5638 | goto efault; | |
53a5960a PB |
5639 | ret = get_errno(write(arg1, p, arg3)); |
5640 | unlock_user(p, arg2, 0); | |
31e31b8a FB |
5641 | break; |
5642 | case TARGET_NR_open: | |
2f619698 FB |
5643 | if (!(p = lock_user_string(arg1))) |
5644 | goto efault; | |
0b2effd7 RV |
5645 | ret = get_errno(do_openat(cpu_env, AT_FDCWD, p, |
5646 | target_to_host_bitmask(arg2, fcntl_flags_tbl), | |
5647 | arg3)); | |
53a5960a | 5648 | unlock_user(p, arg1, 0); |
31e31b8a | 5649 | break; |
82424832 | 5650 | case TARGET_NR_openat: |
579a97f7 FB |
5651 | if (!(p = lock_user_string(arg2))) |
5652 | goto efault; | |
0b2effd7 RV |
5653 | ret = get_errno(do_openat(cpu_env, arg1, p, |
5654 | target_to_host_bitmask(arg3, fcntl_flags_tbl), | |
5655 | arg4)); | |
579a97f7 | 5656 | unlock_user(p, arg2, 0); |
82424832 | 5657 | break; |
31e31b8a FB |
5658 | case TARGET_NR_close: |
5659 | ret = get_errno(close(arg1)); | |
5660 | break; | |
5661 | case TARGET_NR_brk: | |
53a5960a | 5662 | ret = do_brk(arg1); |
31e31b8a FB |
5663 | break; |
5664 | case TARGET_NR_fork: | |
d865bab5 | 5665 | ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0)); |
31e31b8a | 5666 | break; |
e5febef5 | 5667 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
5668 | case TARGET_NR_waitpid: |
5669 | { | |
53a5960a PB |
5670 | int status; |
5671 | ret = get_errno(waitpid(arg1, &status, arg3)); | |
5379557b | 5672 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 5673 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2f619698 | 5674 | goto efault; |
31e31b8a FB |
5675 | } |
5676 | break; | |
e5febef5 | 5677 | #endif |
f0cbb613 PB |
5678 | #ifdef TARGET_NR_waitid |
5679 | case TARGET_NR_waitid: | |
5680 | { | |
5681 | siginfo_t info; | |
5682 | info.si_pid = 0; | |
5683 | ret = get_errno(waitid(arg1, arg2, &info, arg4)); | |
5684 | if (!is_error(ret) && arg3 && info.si_pid != 0) { | |
c227f099 | 5685 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
f0cbb613 PB |
5686 | goto efault; |
5687 | host_to_target_siginfo(p, &info); | |
c227f099 | 5688 | unlock_user(p, arg3, sizeof(target_siginfo_t)); |
f0cbb613 PB |
5689 | } |
5690 | } | |
5691 | break; | |
5692 | #endif | |
7a3148a9 | 5693 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 5694 | case TARGET_NR_creat: |
579a97f7 FB |
5695 | if (!(p = lock_user_string(arg1))) |
5696 | goto efault; | |
53a5960a PB |
5697 | ret = get_errno(creat(p, arg2)); |
5698 | unlock_user(p, arg1, 0); | |
31e31b8a | 5699 | break; |
7a3148a9 | 5700 | #endif |
31e31b8a | 5701 | case TARGET_NR_link: |
53a5960a PB |
5702 | { |
5703 | void * p2; | |
5704 | p = lock_user_string(arg1); | |
5705 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
5706 | if (!p || !p2) |
5707 | ret = -TARGET_EFAULT; | |
5708 | else | |
5709 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
5710 | unlock_user(p2, arg2, 0); |
5711 | unlock_user(p, arg1, 0); | |
5712 | } | |
31e31b8a | 5713 | break; |
c0d472b1 | 5714 | #if defined(TARGET_NR_linkat) |
64f0ce4c | 5715 | case TARGET_NR_linkat: |
64f0ce4c TS |
5716 | { |
5717 | void * p2 = NULL; | |
579a97f7 FB |
5718 | if (!arg2 || !arg4) |
5719 | goto efault; | |
64f0ce4c TS |
5720 | p = lock_user_string(arg2); |
5721 | p2 = lock_user_string(arg4); | |
579a97f7 | 5722 | if (!p || !p2) |
0da46a6e | 5723 | ret = -TARGET_EFAULT; |
64f0ce4c | 5724 | else |
c0d472b1 | 5725 | ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
579a97f7 FB |
5726 | unlock_user(p, arg2, 0); |
5727 | unlock_user(p2, arg4, 0); | |
64f0ce4c TS |
5728 | } |
5729 | break; | |
5730 | #endif | |
31e31b8a | 5731 | case TARGET_NR_unlink: |
579a97f7 FB |
5732 | if (!(p = lock_user_string(arg1))) |
5733 | goto efault; | |
53a5960a PB |
5734 | ret = get_errno(unlink(p)); |
5735 | unlock_user(p, arg1, 0); | |
31e31b8a | 5736 | break; |
c0d472b1 | 5737 | #if defined(TARGET_NR_unlinkat) |
8170f56b | 5738 | case TARGET_NR_unlinkat: |
579a97f7 FB |
5739 | if (!(p = lock_user_string(arg2))) |
5740 | goto efault; | |
c0d472b1 | 5741 | ret = get_errno(unlinkat(arg1, p, arg3)); |
579a97f7 | 5742 | unlock_user(p, arg2, 0); |
ed494d87 | 5743 | break; |
b7d35e65 | 5744 | #endif |
31e31b8a | 5745 | case TARGET_NR_execve: |
7854b056 FB |
5746 | { |
5747 | char **argp, **envp; | |
f7341ff4 | 5748 | int argc, envc; |
992f48a0 BS |
5749 | abi_ulong gp; |
5750 | abi_ulong guest_argp; | |
5751 | abi_ulong guest_envp; | |
5752 | abi_ulong addr; | |
7854b056 | 5753 | char **q; |
a6f79cc9 | 5754 | int total_size = 0; |
7854b056 | 5755 | |
f7341ff4 | 5756 | argc = 0; |
53a5960a | 5757 | guest_argp = arg2; |
da94d263 | 5758 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 5759 | if (get_user_ual(addr, gp)) |
2f619698 | 5760 | goto efault; |
03aa1976 | 5761 | if (!addr) |
2f619698 | 5762 | break; |
7854b056 | 5763 | argc++; |
2f619698 | 5764 | } |
f7341ff4 | 5765 | envc = 0; |
53a5960a | 5766 | guest_envp = arg3; |
da94d263 | 5767 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 5768 | if (get_user_ual(addr, gp)) |
2f619698 | 5769 | goto efault; |
03aa1976 | 5770 | if (!addr) |
2f619698 | 5771 | break; |
7854b056 | 5772 | envc++; |
2f619698 | 5773 | } |
7854b056 | 5774 | |
f7341ff4 FB |
5775 | argp = alloca((argc + 1) * sizeof(void *)); |
5776 | envp = alloca((envc + 1) * sizeof(void *)); | |
7854b056 | 5777 | |
da94d263 | 5778 | for (gp = guest_argp, q = argp; gp; |
992f48a0 | 5779 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5780 | if (get_user_ual(addr, gp)) |
5781 | goto execve_efault; | |
53a5960a PB |
5782 | if (!addr) |
5783 | break; | |
2f619698 FB |
5784 | if (!(*q = lock_user_string(addr))) |
5785 | goto execve_efault; | |
a6f79cc9 | 5786 | total_size += strlen(*q) + 1; |
53a5960a | 5787 | } |
f7341ff4 FB |
5788 | *q = NULL; |
5789 | ||
da94d263 | 5790 | for (gp = guest_envp, q = envp; gp; |
992f48a0 | 5791 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5792 | if (get_user_ual(addr, gp)) |
5793 | goto execve_efault; | |
53a5960a PB |
5794 | if (!addr) |
5795 | break; | |
2f619698 FB |
5796 | if (!(*q = lock_user_string(addr))) |
5797 | goto execve_efault; | |
a6f79cc9 | 5798 | total_size += strlen(*q) + 1; |
53a5960a | 5799 | } |
f7341ff4 | 5800 | *q = NULL; |
7854b056 | 5801 | |
a6f79cc9 UH |
5802 | /* This case will not be caught by the host's execve() if its |
5803 | page size is bigger than the target's. */ | |
5804 | if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) { | |
5805 | ret = -TARGET_E2BIG; | |
5806 | goto execve_end; | |
5807 | } | |
2f619698 FB |
5808 | if (!(p = lock_user_string(arg1))) |
5809 | goto execve_efault; | |
53a5960a PB |
5810 | ret = get_errno(execve(p, argp, envp)); |
5811 | unlock_user(p, arg1, 0); | |
5812 | ||
2f619698 FB |
5813 | goto execve_end; |
5814 | ||
5815 | execve_efault: | |
5816 | ret = -TARGET_EFAULT; | |
5817 | ||
5818 | execve_end: | |
53a5960a | 5819 | for (gp = guest_argp, q = argp; *q; |
992f48a0 | 5820 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5821 | if (get_user_ual(addr, gp) |
5822 | || !addr) | |
5823 | break; | |
53a5960a PB |
5824 | unlock_user(*q, addr, 0); |
5825 | } | |
5826 | for (gp = guest_envp, q = envp; *q; | |
992f48a0 | 5827 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5828 | if (get_user_ual(addr, gp) |
5829 | || !addr) | |
5830 | break; | |
53a5960a PB |
5831 | unlock_user(*q, addr, 0); |
5832 | } | |
7854b056 | 5833 | } |
31e31b8a FB |
5834 | break; |
5835 | case TARGET_NR_chdir: | |
579a97f7 FB |
5836 | if (!(p = lock_user_string(arg1))) |
5837 | goto efault; | |
53a5960a PB |
5838 | ret = get_errno(chdir(p)); |
5839 | unlock_user(p, arg1, 0); | |
31e31b8a | 5840 | break; |
a315a145 | 5841 | #ifdef TARGET_NR_time |
31e31b8a FB |
5842 | case TARGET_NR_time: |
5843 | { | |
53a5960a PB |
5844 | time_t host_time; |
5845 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
5846 | if (!is_error(ret) |
5847 | && arg1 | |
5848 | && put_user_sal(host_time, arg1)) | |
5849 | goto efault; | |
31e31b8a FB |
5850 | } |
5851 | break; | |
a315a145 | 5852 | #endif |
31e31b8a | 5853 | case TARGET_NR_mknod: |
579a97f7 FB |
5854 | if (!(p = lock_user_string(arg1))) |
5855 | goto efault; | |
53a5960a PB |
5856 | ret = get_errno(mknod(p, arg2, arg3)); |
5857 | unlock_user(p, arg1, 0); | |
31e31b8a | 5858 | break; |
c0d472b1 | 5859 | #if defined(TARGET_NR_mknodat) |
75ac37a0 | 5860 | case TARGET_NR_mknodat: |
579a97f7 FB |
5861 | if (!(p = lock_user_string(arg2))) |
5862 | goto efault; | |
c0d472b1 | 5863 | ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
579a97f7 | 5864 | unlock_user(p, arg2, 0); |
75ac37a0 TS |
5865 | break; |
5866 | #endif | |
31e31b8a | 5867 | case TARGET_NR_chmod: |
579a97f7 FB |
5868 | if (!(p = lock_user_string(arg1))) |
5869 | goto efault; | |
53a5960a PB |
5870 | ret = get_errno(chmod(p, arg2)); |
5871 | unlock_user(p, arg1, 0); | |
31e31b8a | 5872 | break; |
ebc05488 | 5873 | #ifdef TARGET_NR_break |
31e31b8a FB |
5874 | case TARGET_NR_break: |
5875 | goto unimplemented; | |
ebc05488 FB |
5876 | #endif |
5877 | #ifdef TARGET_NR_oldstat | |
31e31b8a FB |
5878 | case TARGET_NR_oldstat: |
5879 | goto unimplemented; | |
ebc05488 | 5880 | #endif |
31e31b8a FB |
5881 | case TARGET_NR_lseek: |
5882 | ret = get_errno(lseek(arg1, arg2, arg3)); | |
5883 | break; | |
9231733a RH |
5884 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
5885 | /* Alpha specific */ | |
7a3148a9 | 5886 | case TARGET_NR_getxpid: |
9231733a RH |
5887 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
5888 | ret = get_errno(getpid()); | |
5889 | break; | |
7a3148a9 | 5890 | #endif |
9231733a RH |
5891 | #ifdef TARGET_NR_getpid |
5892 | case TARGET_NR_getpid: | |
31e31b8a FB |
5893 | ret = get_errno(getpid()); |
5894 | break; | |
9231733a | 5895 | #endif |
31e31b8a | 5896 | case TARGET_NR_mount: |
356d771b PB |
5897 | { |
5898 | /* need to look at the data field */ | |
5899 | void *p2, *p3; | |
5900 | ||
5901 | if (arg1) { | |
5902 | p = lock_user_string(arg1); | |
5903 | if (!p) { | |
5904 | goto efault; | |
5905 | } | |
5906 | } else { | |
5907 | p = NULL; | |
5908 | } | |
5909 | ||
5910 | p2 = lock_user_string(arg2); | |
5911 | if (!p2) { | |
5912 | if (arg1) { | |
5913 | unlock_user(p, arg1, 0); | |
5914 | } | |
5915 | goto efault; | |
5916 | } | |
5917 | ||
5918 | if (arg3) { | |
5919 | p3 = lock_user_string(arg3); | |
5920 | if (!p3) { | |
5921 | if (arg1) { | |
579a97f7 | 5922 | unlock_user(p, arg1, 0); |
356d771b PB |
5923 | } |
5924 | unlock_user(p2, arg2, 0); | |
5925 | goto efault; | |
5926 | } | |
5927 | } else { | |
5928 | p3 = NULL; | |
5929 | } | |
5930 | ||
5931 | /* FIXME - arg5 should be locked, but it isn't clear how to | |
5932 | * do that since it's not guaranteed to be a NULL-terminated | |
5933 | * string. | |
5934 | */ | |
5935 | if (!arg5) { | |
5936 | ret = mount(p, p2, p3, (unsigned long)arg4, NULL); | |
5937 | } else { | |
5938 | ret = mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)); | |
5939 | } | |
5940 | ret = get_errno(ret); | |
5941 | ||
5942 | if (arg1) { | |
5943 | unlock_user(p, arg1, 0); | |
5944 | } | |
5945 | unlock_user(p2, arg2, 0); | |
5946 | if (arg3) { | |
5947 | unlock_user(p3, arg3, 0); | |
5948 | } | |
5949 | } | |
5950 | break; | |
e5febef5 | 5951 | #ifdef TARGET_NR_umount |
31e31b8a | 5952 | case TARGET_NR_umount: |
579a97f7 FB |
5953 | if (!(p = lock_user_string(arg1))) |
5954 | goto efault; | |
53a5960a PB |
5955 | ret = get_errno(umount(p)); |
5956 | unlock_user(p, arg1, 0); | |
31e31b8a | 5957 | break; |
e5febef5 | 5958 | #endif |
7a3148a9 | 5959 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
5960 | case TARGET_NR_stime: |
5961 | { | |
53a5960a | 5962 | time_t host_time; |
2f619698 FB |
5963 | if (get_user_sal(host_time, arg1)) |
5964 | goto efault; | |
53a5960a | 5965 | ret = get_errno(stime(&host_time)); |
31e31b8a FB |
5966 | } |
5967 | break; | |
7a3148a9 | 5968 | #endif |
31e31b8a FB |
5969 | case TARGET_NR_ptrace: |
5970 | goto unimplemented; | |
7a3148a9 | 5971 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a FB |
5972 | case TARGET_NR_alarm: |
5973 | ret = alarm(arg1); | |
5974 | break; | |
7a3148a9 | 5975 | #endif |
ebc05488 | 5976 | #ifdef TARGET_NR_oldfstat |
31e31b8a FB |
5977 | case TARGET_NR_oldfstat: |
5978 | goto unimplemented; | |
ebc05488 | 5979 | #endif |
7a3148a9 | 5980 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a FB |
5981 | case TARGET_NR_pause: |
5982 | ret = get_errno(pause()); | |
5983 | break; | |
7a3148a9 | 5984 | #endif |
e5febef5 | 5985 | #ifdef TARGET_NR_utime |
31e31b8a | 5986 | case TARGET_NR_utime: |
ebc05488 | 5987 | { |
53a5960a PB |
5988 | struct utimbuf tbuf, *host_tbuf; |
5989 | struct target_utimbuf *target_tbuf; | |
5990 | if (arg2) { | |
579a97f7 FB |
5991 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
5992 | goto efault; | |
cbb21eed MB |
5993 | tbuf.actime = tswapal(target_tbuf->actime); |
5994 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
5995 | unlock_user_struct(target_tbuf, arg2, 0); |
5996 | host_tbuf = &tbuf; | |
f72e8ff4 | 5997 | } else { |
53a5960a | 5998 | host_tbuf = NULL; |
f72e8ff4 | 5999 | } |
579a97f7 FB |
6000 | if (!(p = lock_user_string(arg1))) |
6001 | goto efault; | |
53a5960a PB |
6002 | ret = get_errno(utime(p, host_tbuf)); |
6003 | unlock_user(p, arg1, 0); | |
ebc05488 FB |
6004 | } |
6005 | break; | |
e5febef5 | 6006 | #endif |
978a66ff FB |
6007 | case TARGET_NR_utimes: |
6008 | { | |
978a66ff | 6009 | struct timeval *tvp, tv[2]; |
53a5960a | 6010 | if (arg2) { |
788f5ec4 TS |
6011 | if (copy_from_user_timeval(&tv[0], arg2) |
6012 | || copy_from_user_timeval(&tv[1], | |
6013 | arg2 + sizeof(struct target_timeval))) | |
6014 | goto efault; | |
978a66ff FB |
6015 | tvp = tv; |
6016 | } else { | |
6017 | tvp = NULL; | |
6018 | } | |
579a97f7 FB |
6019 | if (!(p = lock_user_string(arg1))) |
6020 | goto efault; | |
53a5960a PB |
6021 | ret = get_errno(utimes(p, tvp)); |
6022 | unlock_user(p, arg1, 0); | |
978a66ff FB |
6023 | } |
6024 | break; | |
c0d472b1 | 6025 | #if defined(TARGET_NR_futimesat) |
ac8a6556 AZ |
6026 | case TARGET_NR_futimesat: |
6027 | { | |
6028 | struct timeval *tvp, tv[2]; | |
6029 | if (arg3) { | |
6030 | if (copy_from_user_timeval(&tv[0], arg3) | |
6031 | || copy_from_user_timeval(&tv[1], | |
6032 | arg3 + sizeof(struct target_timeval))) | |
6033 | goto efault; | |
6034 | tvp = tv; | |
6035 | } else { | |
6036 | tvp = NULL; | |
6037 | } | |
6038 | if (!(p = lock_user_string(arg2))) | |
6039 | goto efault; | |
c0d472b1 | 6040 | ret = get_errno(futimesat(arg1, path(p), tvp)); |
ac8a6556 AZ |
6041 | unlock_user(p, arg2, 0); |
6042 | } | |
6043 | break; | |
6044 | #endif | |
ebc05488 | 6045 | #ifdef TARGET_NR_stty |
31e31b8a FB |
6046 | case TARGET_NR_stty: |
6047 | goto unimplemented; | |
ebc05488 FB |
6048 | #endif |
6049 | #ifdef TARGET_NR_gtty | |
31e31b8a FB |
6050 | case TARGET_NR_gtty: |
6051 | goto unimplemented; | |
ebc05488 | 6052 | #endif |
31e31b8a | 6053 | case TARGET_NR_access: |
579a97f7 FB |
6054 | if (!(p = lock_user_string(arg1))) |
6055 | goto efault; | |
719f908e | 6056 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 6057 | unlock_user(p, arg1, 0); |
31e31b8a | 6058 | break; |
92a34c10 TS |
6059 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
6060 | case TARGET_NR_faccessat: | |
579a97f7 FB |
6061 | if (!(p = lock_user_string(arg2))) |
6062 | goto efault; | |
c0d472b1 | 6063 | ret = get_errno(faccessat(arg1, p, arg3, 0)); |
579a97f7 | 6064 | unlock_user(p, arg2, 0); |
92a34c10 TS |
6065 | break; |
6066 | #endif | |
7a3148a9 | 6067 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a FB |
6068 | case TARGET_NR_nice: |
6069 | ret = get_errno(nice(arg1)); | |
6070 | break; | |
7a3148a9 | 6071 | #endif |
ebc05488 | 6072 | #ifdef TARGET_NR_ftime |
31e31b8a FB |
6073 | case TARGET_NR_ftime: |
6074 | goto unimplemented; | |
ebc05488 | 6075 | #endif |
31e31b8a | 6076 | case TARGET_NR_sync: |
04369ff2 FB |
6077 | sync(); |
6078 | ret = 0; | |
31e31b8a FB |
6079 | break; |
6080 | case TARGET_NR_kill: | |
4cb05961 | 6081 | ret = get_errno(kill(arg1, target_to_host_signal(arg2))); |
31e31b8a FB |
6082 | break; |
6083 | case TARGET_NR_rename: | |
53a5960a PB |
6084 | { |
6085 | void *p2; | |
6086 | p = lock_user_string(arg1); | |
6087 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
6088 | if (!p || !p2) |
6089 | ret = -TARGET_EFAULT; | |
6090 | else | |
6091 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
6092 | unlock_user(p2, arg2, 0); |
6093 | unlock_user(p, arg1, 0); | |
6094 | } | |
31e31b8a | 6095 | break; |
c0d472b1 | 6096 | #if defined(TARGET_NR_renameat) |
722183f6 | 6097 | case TARGET_NR_renameat: |
722183f6 | 6098 | { |
579a97f7 | 6099 | void *p2; |
722183f6 TS |
6100 | p = lock_user_string(arg2); |
6101 | p2 = lock_user_string(arg4); | |
579a97f7 | 6102 | if (!p || !p2) |
0da46a6e | 6103 | ret = -TARGET_EFAULT; |
722183f6 | 6104 | else |
c0d472b1 | 6105 | ret = get_errno(renameat(arg1, p, arg3, p2)); |
579a97f7 FB |
6106 | unlock_user(p2, arg4, 0); |
6107 | unlock_user(p, arg2, 0); | |
722183f6 TS |
6108 | } |
6109 | break; | |
6110 | #endif | |
31e31b8a | 6111 | case TARGET_NR_mkdir: |
579a97f7 FB |
6112 | if (!(p = lock_user_string(arg1))) |
6113 | goto efault; | |
53a5960a PB |
6114 | ret = get_errno(mkdir(p, arg2)); |
6115 | unlock_user(p, arg1, 0); | |
31e31b8a | 6116 | break; |
c0d472b1 | 6117 | #if defined(TARGET_NR_mkdirat) |
4472ad0d | 6118 | case TARGET_NR_mkdirat: |
579a97f7 FB |
6119 | if (!(p = lock_user_string(arg2))) |
6120 | goto efault; | |
c0d472b1 | 6121 | ret = get_errno(mkdirat(arg1, p, arg3)); |
579a97f7 | 6122 | unlock_user(p, arg2, 0); |
4472ad0d TS |
6123 | break; |
6124 | #endif | |
31e31b8a | 6125 | case TARGET_NR_rmdir: |
579a97f7 FB |
6126 | if (!(p = lock_user_string(arg1))) |
6127 | goto efault; | |
53a5960a PB |
6128 | ret = get_errno(rmdir(p)); |
6129 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6130 | break; |
6131 | case TARGET_NR_dup: | |
6132 | ret = get_errno(dup(arg1)); | |
6133 | break; | |
6134 | case TARGET_NR_pipe: | |
fb41a66e | 6135 | ret = do_pipe(cpu_env, arg1, 0, 0); |
099d6b0f RV |
6136 | break; |
6137 | #ifdef TARGET_NR_pipe2 | |
6138 | case TARGET_NR_pipe2: | |
e7ea6cbe RH |
6139 | ret = do_pipe(cpu_env, arg1, |
6140 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
31e31b8a | 6141 | break; |
099d6b0f | 6142 | #endif |
31e31b8a | 6143 | case TARGET_NR_times: |
32f36bce | 6144 | { |
53a5960a | 6145 | struct target_tms *tmsp; |
32f36bce FB |
6146 | struct tms tms; |
6147 | ret = get_errno(times(&tms)); | |
53a5960a | 6148 | if (arg1) { |
579a97f7 FB |
6149 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
6150 | if (!tmsp) | |
6151 | goto efault; | |
cbb21eed MB |
6152 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
6153 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
6154 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
6155 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 6156 | } |
c596ed17 FB |
6157 | if (!is_error(ret)) |
6158 | ret = host_to_target_clock_t(ret); | |
32f36bce FB |
6159 | } |
6160 | break; | |
ebc05488 | 6161 | #ifdef TARGET_NR_prof |
31e31b8a FB |
6162 | case TARGET_NR_prof: |
6163 | goto unimplemented; | |
ebc05488 | 6164 | #endif |
e5febef5 | 6165 | #ifdef TARGET_NR_signal |
31e31b8a FB |
6166 | case TARGET_NR_signal: |
6167 | goto unimplemented; | |
e5febef5 | 6168 | #endif |
31e31b8a | 6169 | case TARGET_NR_acct: |
38d840e6 AJ |
6170 | if (arg1 == 0) { |
6171 | ret = get_errno(acct(NULL)); | |
6172 | } else { | |
6173 | if (!(p = lock_user_string(arg1))) | |
6174 | goto efault; | |
6175 | ret = get_errno(acct(path(p))); | |
6176 | unlock_user(p, arg1, 0); | |
6177 | } | |
24836689 | 6178 | break; |
8070e7be | 6179 | #ifdef TARGET_NR_umount2 |
31e31b8a | 6180 | case TARGET_NR_umount2: |
579a97f7 FB |
6181 | if (!(p = lock_user_string(arg1))) |
6182 | goto efault; | |
53a5960a PB |
6183 | ret = get_errno(umount2(p, arg2)); |
6184 | unlock_user(p, arg1, 0); | |
31e31b8a | 6185 | break; |
7a3148a9 | 6186 | #endif |
ebc05488 | 6187 | #ifdef TARGET_NR_lock |
31e31b8a FB |
6188 | case TARGET_NR_lock: |
6189 | goto unimplemented; | |
ebc05488 | 6190 | #endif |
31e31b8a FB |
6191 | case TARGET_NR_ioctl: |
6192 | ret = do_ioctl(arg1, arg2, arg3); | |
6193 | break; | |
6194 | case TARGET_NR_fcntl: | |
9ee1fa2c | 6195 | ret = do_fcntl(arg1, arg2, arg3); |
31e31b8a | 6196 | break; |
ebc05488 | 6197 | #ifdef TARGET_NR_mpx |
31e31b8a FB |
6198 | case TARGET_NR_mpx: |
6199 | goto unimplemented; | |
ebc05488 | 6200 | #endif |
31e31b8a FB |
6201 | case TARGET_NR_setpgid: |
6202 | ret = get_errno(setpgid(arg1, arg2)); | |
6203 | break; | |
ebc05488 | 6204 | #ifdef TARGET_NR_ulimit |
31e31b8a FB |
6205 | case TARGET_NR_ulimit: |
6206 | goto unimplemented; | |
ebc05488 FB |
6207 | #endif |
6208 | #ifdef TARGET_NR_oldolduname | |
31e31b8a FB |
6209 | case TARGET_NR_oldolduname: |
6210 | goto unimplemented; | |
ebc05488 | 6211 | #endif |
31e31b8a FB |
6212 | case TARGET_NR_umask: |
6213 | ret = get_errno(umask(arg1)); | |
6214 | break; | |
6215 | case TARGET_NR_chroot: | |
579a97f7 FB |
6216 | if (!(p = lock_user_string(arg1))) |
6217 | goto efault; | |
53a5960a PB |
6218 | ret = get_errno(chroot(p)); |
6219 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6220 | break; |
6221 | case TARGET_NR_ustat: | |
6222 | goto unimplemented; | |
6223 | case TARGET_NR_dup2: | |
6224 | ret = get_errno(dup2(arg1, arg2)); | |
6225 | break; | |
d0927938 UH |
6226 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
6227 | case TARGET_NR_dup3: | |
6228 | ret = get_errno(dup3(arg1, arg2, arg3)); | |
6229 | break; | |
6230 | #endif | |
7a3148a9 | 6231 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a FB |
6232 | case TARGET_NR_getppid: |
6233 | ret = get_errno(getppid()); | |
6234 | break; | |
7a3148a9 | 6235 | #endif |
31e31b8a FB |
6236 | case TARGET_NR_getpgrp: |
6237 | ret = get_errno(getpgrp()); | |
6238 | break; | |
6239 | case TARGET_NR_setsid: | |
6240 | ret = get_errno(setsid()); | |
6241 | break; | |
e5febef5 | 6242 | #ifdef TARGET_NR_sigaction |
31e31b8a | 6243 | case TARGET_NR_sigaction: |
31e31b8a | 6244 | { |
6049f4f8 RH |
6245 | #if defined(TARGET_ALPHA) |
6246 | struct target_sigaction act, oact, *pact = 0; | |
53a5960a | 6247 | struct target_old_sigaction *old_act; |
53a5960a | 6248 | if (arg2) { |
579a97f7 FB |
6249 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
6250 | goto efault; | |
66fb9763 FB |
6251 | act._sa_handler = old_act->_sa_handler; |
6252 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
6253 | act.sa_flags = old_act->sa_flags; | |
6049f4f8 | 6254 | act.sa_restorer = 0; |
53a5960a | 6255 | unlock_user_struct(old_act, arg2, 0); |
66fb9763 | 6256 | pact = &act; |
66fb9763 FB |
6257 | } |
6258 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
53a5960a | 6259 | if (!is_error(ret) && arg3) { |
579a97f7 FB |
6260 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
6261 | goto efault; | |
53a5960a PB |
6262 | old_act->_sa_handler = oact._sa_handler; |
6263 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
6264 | old_act->sa_flags = oact.sa_flags; | |
53a5960a | 6265 | unlock_user_struct(old_act, arg3, 1); |
66fb9763 | 6266 | } |
6049f4f8 | 6267 | #elif defined(TARGET_MIPS) |
106ec879 FB |
6268 | struct target_sigaction act, oact, *pact, *old_act; |
6269 | ||
6270 | if (arg2) { | |
579a97f7 FB |
6271 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
6272 | goto efault; | |
106ec879 FB |
6273 | act._sa_handler = old_act->_sa_handler; |
6274 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
6275 | act.sa_flags = old_act->sa_flags; | |
6276 | unlock_user_struct(old_act, arg2, 0); | |
6277 | pact = &act; | |
6278 | } else { | |
6279 | pact = NULL; | |
6280 | } | |
6281 | ||
6282 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
6283 | ||
6284 | if (!is_error(ret) && arg3) { | |
579a97f7 FB |
6285 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
6286 | goto efault; | |
106ec879 FB |
6287 | old_act->_sa_handler = oact._sa_handler; |
6288 | old_act->sa_flags = oact.sa_flags; | |
6289 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
6290 | old_act->sa_mask.sig[1] = 0; | |
6291 | old_act->sa_mask.sig[2] = 0; | |
6292 | old_act->sa_mask.sig[3] = 0; | |
6293 | unlock_user_struct(old_act, arg3, 1); | |
6294 | } | |
6049f4f8 RH |
6295 | #else |
6296 | struct target_old_sigaction *old_act; | |
6297 | struct target_sigaction act, oact, *pact; | |
6298 | if (arg2) { | |
6299 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
6300 | goto efault; | |
6301 | act._sa_handler = old_act->_sa_handler; | |
6302 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
6303 | act.sa_flags = old_act->sa_flags; | |
6304 | act.sa_restorer = old_act->sa_restorer; | |
6305 | unlock_user_struct(old_act, arg2, 0); | |
6306 | pact = &act; | |
6307 | } else { | |
6308 | pact = NULL; | |
6309 | } | |
6310 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
6311 | if (!is_error(ret) && arg3) { | |
6312 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
6313 | goto efault; | |
6314 | old_act->_sa_handler = oact._sa_handler; | |
6315 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
6316 | old_act->sa_flags = oact.sa_flags; | |
6317 | old_act->sa_restorer = oact.sa_restorer; | |
6318 | unlock_user_struct(old_act, arg3, 1); | |
6319 | } | |
388bb21a | 6320 | #endif |
31e31b8a FB |
6321 | } |
6322 | break; | |
e5febef5 | 6323 | #endif |
66fb9763 | 6324 | case TARGET_NR_rt_sigaction: |
53a5960a | 6325 | { |
6049f4f8 RH |
6326 | #if defined(TARGET_ALPHA) |
6327 | struct target_sigaction act, oact, *pact = 0; | |
6328 | struct target_rt_sigaction *rt_act; | |
6329 | /* ??? arg4 == sizeof(sigset_t). */ | |
6330 | if (arg2) { | |
6331 | if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) | |
6332 | goto efault; | |
6333 | act._sa_handler = rt_act->_sa_handler; | |
6334 | act.sa_mask = rt_act->sa_mask; | |
6335 | act.sa_flags = rt_act->sa_flags; | |
6336 | act.sa_restorer = arg5; | |
6337 | unlock_user_struct(rt_act, arg2, 0); | |
6338 | pact = &act; | |
6339 | } | |
6340 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
6341 | if (!is_error(ret) && arg3) { | |
6342 | if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) | |
6343 | goto efault; | |
6344 | rt_act->_sa_handler = oact._sa_handler; | |
6345 | rt_act->sa_mask = oact.sa_mask; | |
6346 | rt_act->sa_flags = oact.sa_flags; | |
6347 | unlock_user_struct(rt_act, arg3, 1); | |
6348 | } | |
6349 | #else | |
53a5960a PB |
6350 | struct target_sigaction *act; |
6351 | struct target_sigaction *oact; | |
6352 | ||
579a97f7 FB |
6353 | if (arg2) { |
6354 | if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) | |
6355 | goto efault; | |
6356 | } else | |
53a5960a | 6357 | act = NULL; |
579a97f7 FB |
6358 | if (arg3) { |
6359 | if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { | |
6360 | ret = -TARGET_EFAULT; | |
6361 | goto rt_sigaction_fail; | |
6362 | } | |
6363 | } else | |
53a5960a PB |
6364 | oact = NULL; |
6365 | ret = get_errno(do_sigaction(arg1, act, oact)); | |
579a97f7 FB |
6366 | rt_sigaction_fail: |
6367 | if (act) | |
53a5960a | 6368 | unlock_user_struct(act, arg2, 0); |
579a97f7 | 6369 | if (oact) |
53a5960a | 6370 | unlock_user_struct(oact, arg3, 1); |
6049f4f8 | 6371 | #endif |
53a5960a | 6372 | } |
66fb9763 | 6373 | break; |
7a3148a9 | 6374 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 6375 | case TARGET_NR_sgetmask: |
66fb9763 FB |
6376 | { |
6377 | sigset_t cur_set; | |
992f48a0 | 6378 | abi_ulong target_set; |
1c275925 | 6379 | do_sigprocmask(0, NULL, &cur_set); |
66fb9763 FB |
6380 | host_to_target_old_sigset(&target_set, &cur_set); |
6381 | ret = target_set; | |
6382 | } | |
6383 | break; | |
7a3148a9 JM |
6384 | #endif |
6385 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 6386 | case TARGET_NR_ssetmask: |
66fb9763 FB |
6387 | { |
6388 | sigset_t set, oset, cur_set; | |
992f48a0 | 6389 | abi_ulong target_set = arg1; |
1c275925 | 6390 | do_sigprocmask(0, NULL, &cur_set); |
66fb9763 FB |
6391 | target_to_host_old_sigset(&set, &target_set); |
6392 | sigorset(&set, &set, &cur_set); | |
1c275925 | 6393 | do_sigprocmask(SIG_SETMASK, &set, &oset); |
66fb9763 FB |
6394 | host_to_target_old_sigset(&target_set, &oset); |
6395 | ret = target_set; | |
6396 | } | |
6397 | break; | |
7a3148a9 | 6398 | #endif |
e5febef5 | 6399 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
6400 | case TARGET_NR_sigprocmask: |
6401 | { | |
a5b3b13b RH |
6402 | #if defined(TARGET_ALPHA) |
6403 | sigset_t set, oldset; | |
6404 | abi_ulong mask; | |
6405 | int how; | |
6406 | ||
6407 | switch (arg1) { | |
6408 | case TARGET_SIG_BLOCK: | |
6409 | how = SIG_BLOCK; | |
6410 | break; | |
6411 | case TARGET_SIG_UNBLOCK: | |
6412 | how = SIG_UNBLOCK; | |
6413 | break; | |
6414 | case TARGET_SIG_SETMASK: | |
6415 | how = SIG_SETMASK; | |
6416 | break; | |
6417 | default: | |
6418 | ret = -TARGET_EINVAL; | |
6419 | goto fail; | |
6420 | } | |
6421 | mask = arg2; | |
6422 | target_to_host_old_sigset(&set, &mask); | |
6423 | ||
1c275925 | 6424 | ret = get_errno(do_sigprocmask(how, &set, &oldset)); |
a5b3b13b RH |
6425 | if (!is_error(ret)) { |
6426 | host_to_target_old_sigset(&mask, &oldset); | |
6427 | ret = mask; | |
0229f5a3 | 6428 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
6429 | } |
6430 | #else | |
66fb9763 | 6431 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 6432 | int how; |
3b46e624 | 6433 | |
53a5960a | 6434 | if (arg2) { |
a5b3b13b | 6435 | switch (arg1) { |
66fb9763 FB |
6436 | case TARGET_SIG_BLOCK: |
6437 | how = SIG_BLOCK; | |
6438 | break; | |
6439 | case TARGET_SIG_UNBLOCK: | |
6440 | how = SIG_UNBLOCK; | |
6441 | break; | |
6442 | case TARGET_SIG_SETMASK: | |
6443 | how = SIG_SETMASK; | |
6444 | break; | |
6445 | default: | |
0da46a6e | 6446 | ret = -TARGET_EINVAL; |
66fb9763 FB |
6447 | goto fail; |
6448 | } | |
c227f099 | 6449 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
579a97f7 | 6450 | goto efault; |
53a5960a PB |
6451 | target_to_host_old_sigset(&set, p); |
6452 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
6453 | set_ptr = &set; |
6454 | } else { | |
6455 | how = 0; | |
6456 | set_ptr = NULL; | |
6457 | } | |
1c275925 | 6458 | ret = get_errno(do_sigprocmask(how, set_ptr, &oldset)); |
53a5960a | 6459 | if (!is_error(ret) && arg3) { |
c227f099 | 6460 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
579a97f7 | 6461 | goto efault; |
53a5960a | 6462 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 6463 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 6464 | } |
a5b3b13b | 6465 | #endif |
66fb9763 FB |
6466 | } |
6467 | break; | |
e5febef5 | 6468 | #endif |
66fb9763 FB |
6469 | case TARGET_NR_rt_sigprocmask: |
6470 | { | |
6471 | int how = arg1; | |
6472 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 6473 | |
53a5960a | 6474 | if (arg2) { |
66fb9763 FB |
6475 | switch(how) { |
6476 | case TARGET_SIG_BLOCK: | |
6477 | how = SIG_BLOCK; | |
6478 | break; | |
6479 | case TARGET_SIG_UNBLOCK: | |
6480 | how = SIG_UNBLOCK; | |
6481 | break; | |
6482 | case TARGET_SIG_SETMASK: | |
6483 | how = SIG_SETMASK; | |
6484 | break; | |
6485 | default: | |
0da46a6e | 6486 | ret = -TARGET_EINVAL; |
66fb9763 FB |
6487 | goto fail; |
6488 | } | |
c227f099 | 6489 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
579a97f7 | 6490 | goto efault; |
53a5960a PB |
6491 | target_to_host_sigset(&set, p); |
6492 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
6493 | set_ptr = &set; |
6494 | } else { | |
6495 | how = 0; | |
6496 | set_ptr = NULL; | |
6497 | } | |
1c275925 | 6498 | ret = get_errno(do_sigprocmask(how, set_ptr, &oldset)); |
53a5960a | 6499 | if (!is_error(ret) && arg3) { |
c227f099 | 6500 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
579a97f7 | 6501 | goto efault; |
53a5960a | 6502 | host_to_target_sigset(p, &oldset); |
c227f099 | 6503 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
6504 | } |
6505 | } | |
6506 | break; | |
e5febef5 | 6507 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
6508 | case TARGET_NR_sigpending: |
6509 | { | |
6510 | sigset_t set; | |
6511 | ret = get_errno(sigpending(&set)); | |
6512 | if (!is_error(ret)) { | |
c227f099 | 6513 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
579a97f7 | 6514 | goto efault; |
53a5960a | 6515 | host_to_target_old_sigset(p, &set); |
c227f099 | 6516 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
6517 | } |
6518 | } | |
6519 | break; | |
e5febef5 | 6520 | #endif |
66fb9763 FB |
6521 | case TARGET_NR_rt_sigpending: |
6522 | { | |
6523 | sigset_t set; | |
6524 | ret = get_errno(sigpending(&set)); | |
6525 | if (!is_error(ret)) { | |
c227f099 | 6526 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
579a97f7 | 6527 | goto efault; |
53a5960a | 6528 | host_to_target_sigset(p, &set); |
c227f099 | 6529 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
6530 | } |
6531 | } | |
6532 | break; | |
e5febef5 | 6533 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
6534 | case TARGET_NR_sigsuspend: |
6535 | { | |
6536 | sigset_t set; | |
f43ce12b RH |
6537 | #if defined(TARGET_ALPHA) |
6538 | abi_ulong mask = arg1; | |
6539 | target_to_host_old_sigset(&set, &mask); | |
6540 | #else | |
c227f099 | 6541 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 6542 | goto efault; |
53a5960a PB |
6543 | target_to_host_old_sigset(&set, p); |
6544 | unlock_user(p, arg1, 0); | |
f43ce12b | 6545 | #endif |
66fb9763 FB |
6546 | ret = get_errno(sigsuspend(&set)); |
6547 | } | |
6548 | break; | |
e5febef5 | 6549 | #endif |
66fb9763 FB |
6550 | case TARGET_NR_rt_sigsuspend: |
6551 | { | |
6552 | sigset_t set; | |
c227f099 | 6553 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 6554 | goto efault; |
53a5960a PB |
6555 | target_to_host_sigset(&set, p); |
6556 | unlock_user(p, arg1, 0); | |
66fb9763 FB |
6557 | ret = get_errno(sigsuspend(&set)); |
6558 | } | |
6559 | break; | |
6560 | case TARGET_NR_rt_sigtimedwait: | |
6561 | { | |
66fb9763 FB |
6562 | sigset_t set; |
6563 | struct timespec uts, *puts; | |
6564 | siginfo_t uinfo; | |
3b46e624 | 6565 | |
c227f099 | 6566 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 6567 | goto efault; |
53a5960a PB |
6568 | target_to_host_sigset(&set, p); |
6569 | unlock_user(p, arg1, 0); | |
6570 | if (arg3) { | |
66fb9763 | 6571 | puts = &uts; |
53a5960a | 6572 | target_to_host_timespec(puts, arg3); |
66fb9763 FB |
6573 | } else { |
6574 | puts = NULL; | |
6575 | } | |
6576 | ret = get_errno(sigtimedwait(&set, &uinfo, puts)); | |
974a196d PJ |
6577 | if (!is_error(ret)) { |
6578 | if (arg2) { | |
6579 | p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), | |
6580 | 0); | |
6581 | if (!p) { | |
6582 | goto efault; | |
6583 | } | |
6584 | host_to_target_siginfo(p, &uinfo); | |
6585 | unlock_user(p, arg2, sizeof(target_siginfo_t)); | |
6586 | } | |
6587 | ret = host_to_target_signal(ret); | |
66fb9763 FB |
6588 | } |
6589 | } | |
6590 | break; | |
6591 | case TARGET_NR_rt_sigqueueinfo: | |
6592 | { | |
6593 | siginfo_t uinfo; | |
c227f099 | 6594 | if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1))) |
579a97f7 | 6595 | goto efault; |
53a5960a PB |
6596 | target_to_host_siginfo(&uinfo, p); |
6597 | unlock_user(p, arg1, 0); | |
66fb9763 FB |
6598 | ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
6599 | } | |
6600 | break; | |
e5febef5 | 6601 | #ifdef TARGET_NR_sigreturn |
66fb9763 FB |
6602 | case TARGET_NR_sigreturn: |
6603 | /* NOTE: ret is eax, so not transcoding must be done */ | |
6604 | ret = do_sigreturn(cpu_env); | |
6605 | break; | |
e5febef5 | 6606 | #endif |
66fb9763 FB |
6607 | case TARGET_NR_rt_sigreturn: |
6608 | /* NOTE: ret is eax, so not transcoding must be done */ | |
6609 | ret = do_rt_sigreturn(cpu_env); | |
6610 | break; | |
31e31b8a | 6611 | case TARGET_NR_sethostname: |
579a97f7 FB |
6612 | if (!(p = lock_user_string(arg1))) |
6613 | goto efault; | |
53a5960a PB |
6614 | ret = get_errno(sethostname(p, arg2)); |
6615 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6616 | break; |
6617 | case TARGET_NR_setrlimit: | |
9de5e440 | 6618 | { |
e22b7015 | 6619 | int resource = target_to_host_resource(arg1); |
53a5960a | 6620 | struct target_rlimit *target_rlim; |
9de5e440 | 6621 | struct rlimit rlim; |
579a97f7 FB |
6622 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
6623 | goto efault; | |
81bbe906 TY |
6624 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
6625 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 6626 | unlock_user_struct(target_rlim, arg2, 0); |
9de5e440 FB |
6627 | ret = get_errno(setrlimit(resource, &rlim)); |
6628 | } | |
6629 | break; | |
31e31b8a | 6630 | case TARGET_NR_getrlimit: |
9de5e440 | 6631 | { |
e22b7015 | 6632 | int resource = target_to_host_resource(arg1); |
53a5960a | 6633 | struct target_rlimit *target_rlim; |
9de5e440 | 6634 | struct rlimit rlim; |
3b46e624 | 6635 | |
9de5e440 FB |
6636 | ret = get_errno(getrlimit(resource, &rlim)); |
6637 | if (!is_error(ret)) { | |
579a97f7 FB |
6638 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
6639 | goto efault; | |
81bbe906 TY |
6640 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
6641 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 6642 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
6643 | } |
6644 | } | |
6645 | break; | |
31e31b8a | 6646 | case TARGET_NR_getrusage: |
b409186b FB |
6647 | { |
6648 | struct rusage rusage; | |
b409186b FB |
6649 | ret = get_errno(getrusage(arg1, &rusage)); |
6650 | if (!is_error(ret)) { | |
a39fb273 | 6651 | ret = host_to_target_rusage(arg2, &rusage); |
b409186b FB |
6652 | } |
6653 | } | |
6654 | break; | |
31e31b8a FB |
6655 | case TARGET_NR_gettimeofday: |
6656 | { | |
31e31b8a FB |
6657 | struct timeval tv; |
6658 | ret = get_errno(gettimeofday(&tv, NULL)); | |
6659 | if (!is_error(ret)) { | |
788f5ec4 TS |
6660 | if (copy_to_user_timeval(arg1, &tv)) |
6661 | goto efault; | |
31e31b8a FB |
6662 | } |
6663 | } | |
6664 | break; | |
6665 | case TARGET_NR_settimeofday: | |
6666 | { | |
b67d8031 | 6667 | struct timeval tv, *ptv = NULL; |
ef4467e9 PB |
6668 | struct timezone tz, *ptz = NULL; |
6669 | ||
b67d8031 PB |
6670 | if (arg1) { |
6671 | if (copy_from_user_timeval(&tv, arg1)) { | |
6672 | goto efault; | |
6673 | } | |
6674 | ptv = &tv; | |
6675 | } | |
ef4467e9 PB |
6676 | |
6677 | if (arg2) { | |
6678 | if (copy_from_user_timezone(&tz, arg2)) { | |
6679 | goto efault; | |
6680 | } | |
6681 | ptz = &tz; | |
6682 | } | |
6683 | ||
b67d8031 | 6684 | ret = get_errno(settimeofday(ptv, ptz)); |
31e31b8a FB |
6685 | } |
6686 | break; | |
9468a5d4 | 6687 | #if defined(TARGET_NR_select) |
31e31b8a | 6688 | case TARGET_NR_select: |
9468a5d4 LV |
6689 | #if defined(TARGET_S390X) || defined(TARGET_ALPHA) |
6690 | ret = do_select(arg1, arg2, arg3, arg4, arg5); | |
6691 | #else | |
f2674e31 | 6692 | { |
53a5960a | 6693 | struct target_sel_arg_struct *sel; |
992f48a0 | 6694 | abi_ulong inp, outp, exp, tvp; |
53a5960a PB |
6695 | long nsel; |
6696 | ||
579a97f7 FB |
6697 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) |
6698 | goto efault; | |
cbb21eed MB |
6699 | nsel = tswapal(sel->n); |
6700 | inp = tswapal(sel->inp); | |
6701 | outp = tswapal(sel->outp); | |
6702 | exp = tswapal(sel->exp); | |
6703 | tvp = tswapal(sel->tvp); | |
53a5960a PB |
6704 | unlock_user_struct(sel, arg1, 0); |
6705 | ret = do_select(nsel, inp, outp, exp, tvp); | |
f2674e31 | 6706 | } |
9468a5d4 | 6707 | #endif |
f2674e31 | 6708 | break; |
9e42382f RV |
6709 | #endif |
6710 | #ifdef TARGET_NR_pselect6 | |
6711 | case TARGET_NR_pselect6: | |
055e0906 MF |
6712 | { |
6713 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
6714 | fd_set rfds, wfds, efds; | |
6715 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6716 | struct timespec ts, *ts_ptr; | |
6717 | ||
6718 | /* | |
6719 | * The 6th arg is actually two args smashed together, | |
6720 | * so we cannot use the C library. | |
6721 | */ | |
6722 | sigset_t set; | |
6723 | struct { | |
6724 | sigset_t *set; | |
6725 | size_t size; | |
6726 | } sig, *sig_ptr; | |
6727 | ||
6728 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
6729 | target_sigset_t *target_sigset; | |
6730 | ||
6731 | n = arg1; | |
6732 | rfd_addr = arg2; | |
6733 | wfd_addr = arg3; | |
6734 | efd_addr = arg4; | |
6735 | ts_addr = arg5; | |
6736 | ||
6737 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
6738 | if (ret) { | |
6739 | goto fail; | |
6740 | } | |
6741 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
6742 | if (ret) { | |
6743 | goto fail; | |
6744 | } | |
6745 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
6746 | if (ret) { | |
6747 | goto fail; | |
6748 | } | |
6749 | ||
6750 | /* | |
6751 | * This takes a timespec, and not a timeval, so we cannot | |
6752 | * use the do_select() helper ... | |
6753 | */ | |
6754 | if (ts_addr) { | |
6755 | if (target_to_host_timespec(&ts, ts_addr)) { | |
6756 | goto efault; | |
6757 | } | |
6758 | ts_ptr = &ts; | |
6759 | } else { | |
6760 | ts_ptr = NULL; | |
6761 | } | |
6762 | ||
6763 | /* Extract the two packed args for the sigset */ | |
6764 | if (arg6) { | |
6765 | sig_ptr = &sig; | |
6766 | sig.size = _NSIG / 8; | |
6767 | ||
6768 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); | |
6769 | if (!arg7) { | |
6770 | goto efault; | |
6771 | } | |
cbb21eed MB |
6772 | arg_sigset = tswapal(arg7[0]); |
6773 | arg_sigsize = tswapal(arg7[1]); | |
055e0906 MF |
6774 | unlock_user(arg7, arg6, 0); |
6775 | ||
6776 | if (arg_sigset) { | |
6777 | sig.set = &set; | |
8f04eeb3 PM |
6778 | if (arg_sigsize != sizeof(*target_sigset)) { |
6779 | /* Like the kernel, we enforce correct size sigsets */ | |
6780 | ret = -TARGET_EINVAL; | |
6781 | goto fail; | |
6782 | } | |
055e0906 MF |
6783 | target_sigset = lock_user(VERIFY_READ, arg_sigset, |
6784 | sizeof(*target_sigset), 1); | |
6785 | if (!target_sigset) { | |
6786 | goto efault; | |
6787 | } | |
6788 | target_to_host_sigset(&set, target_sigset); | |
6789 | unlock_user(target_sigset, arg_sigset, 0); | |
6790 | } else { | |
6791 | sig.set = NULL; | |
6792 | } | |
6793 | } else { | |
6794 | sig_ptr = NULL; | |
6795 | } | |
6796 | ||
6797 | ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, | |
6798 | ts_ptr, sig_ptr)); | |
6799 | ||
6800 | if (!is_error(ret)) { | |
6801 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
6802 | goto efault; | |
6803 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
6804 | goto efault; | |
6805 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
6806 | goto efault; | |
6807 | ||
6808 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) | |
6809 | goto efault; | |
6810 | } | |
6811 | } | |
6812 | break; | |
048f6b4d | 6813 | #endif |
31e31b8a | 6814 | case TARGET_NR_symlink: |
53a5960a PB |
6815 | { |
6816 | void *p2; | |
6817 | p = lock_user_string(arg1); | |
6818 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
6819 | if (!p || !p2) |
6820 | ret = -TARGET_EFAULT; | |
6821 | else | |
6822 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
6823 | unlock_user(p2, arg2, 0); |
6824 | unlock_user(p, arg1, 0); | |
6825 | } | |
31e31b8a | 6826 | break; |
c0d472b1 | 6827 | #if defined(TARGET_NR_symlinkat) |
f0b6243d | 6828 | case TARGET_NR_symlinkat: |
f0b6243d | 6829 | { |
579a97f7 | 6830 | void *p2; |
f0b6243d TS |
6831 | p = lock_user_string(arg1); |
6832 | p2 = lock_user_string(arg3); | |
579a97f7 | 6833 | if (!p || !p2) |
0da46a6e | 6834 | ret = -TARGET_EFAULT; |
f0b6243d | 6835 | else |
c0d472b1 | 6836 | ret = get_errno(symlinkat(p, arg2, p2)); |
579a97f7 FB |
6837 | unlock_user(p2, arg3, 0); |
6838 | unlock_user(p, arg1, 0); | |
f0b6243d TS |
6839 | } |
6840 | break; | |
6841 | #endif | |
ebc05488 | 6842 | #ifdef TARGET_NR_oldlstat |
31e31b8a FB |
6843 | case TARGET_NR_oldlstat: |
6844 | goto unimplemented; | |
ebc05488 | 6845 | #endif |
31e31b8a | 6846 | case TARGET_NR_readlink: |
53a5960a | 6847 | { |
463d8e73 | 6848 | void *p2; |
53a5960a | 6849 | p = lock_user_string(arg1); |
579a97f7 | 6850 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
463d8e73 | 6851 | if (!p || !p2) { |
579a97f7 | 6852 | ret = -TARGET_EFAULT; |
f17f4989 MF |
6853 | } else if (!arg3) { |
6854 | /* Short circuit this for the magic exe check. */ | |
6855 | ret = -TARGET_EINVAL; | |
463d8e73 AS |
6856 | } else if (is_proc_myself((const char *)p, "exe")) { |
6857 | char real[PATH_MAX], *temp; | |
6858 | temp = realpath(exec_path, real); | |
f17f4989 MF |
6859 | /* Return value is # of bytes that we wrote to the buffer. */ |
6860 | if (temp == NULL) { | |
6861 | ret = get_errno(-1); | |
6862 | } else { | |
6863 | /* Don't worry about sign mismatch as earlier mapping | |
6864 | * logic would have thrown a bad address error. */ | |
6865 | ret = MIN(strlen(real), arg3); | |
6866 | /* We cannot NUL terminate the string. */ | |
6867 | memcpy(p2, real, ret); | |
6868 | } | |
463d8e73 AS |
6869 | } else { |
6870 | ret = get_errno(readlink(path(p), p2, arg3)); | |
d088d664 | 6871 | } |
53a5960a PB |
6872 | unlock_user(p2, arg2, ret); |
6873 | unlock_user(p, arg1, 0); | |
6874 | } | |
31e31b8a | 6875 | break; |
c0d472b1 | 6876 | #if defined(TARGET_NR_readlinkat) |
5e0ccb18 | 6877 | case TARGET_NR_readlinkat: |
5e0ccb18 | 6878 | { |
579a97f7 | 6879 | void *p2; |
5e0ccb18 | 6880 | p = lock_user_string(arg2); |
579a97f7 | 6881 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
463d8e73 AS |
6882 | if (!p || !p2) { |
6883 | ret = -TARGET_EFAULT; | |
6884 | } else if (is_proc_myself((const char *)p, "exe")) { | |
6885 | char real[PATH_MAX], *temp; | |
6886 | temp = realpath(exec_path, real); | |
6887 | ret = temp == NULL ? get_errno(-1) : strlen(real) ; | |
6888 | snprintf((char *)p2, arg4, "%s", real); | |
6889 | } else { | |
c0d472b1 | 6890 | ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
463d8e73 | 6891 | } |
579a97f7 FB |
6892 | unlock_user(p2, arg3, ret); |
6893 | unlock_user(p, arg2, 0); | |
5e0ccb18 TS |
6894 | } |
6895 | break; | |
6896 | #endif | |
e5febef5 | 6897 | #ifdef TARGET_NR_uselib |
31e31b8a FB |
6898 | case TARGET_NR_uselib: |
6899 | goto unimplemented; | |
e5febef5 TS |
6900 | #endif |
6901 | #ifdef TARGET_NR_swapon | |
31e31b8a | 6902 | case TARGET_NR_swapon: |
579a97f7 FB |
6903 | if (!(p = lock_user_string(arg1))) |
6904 | goto efault; | |
53a5960a PB |
6905 | ret = get_errno(swapon(p, arg2)); |
6906 | unlock_user(p, arg1, 0); | |
31e31b8a | 6907 | break; |
e5febef5 | 6908 | #endif |
31e31b8a | 6909 | case TARGET_NR_reboot: |
c07ecc68 LV |
6910 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
6911 | /* arg4 must be ignored in all other cases */ | |
6912 | p = lock_user_string(arg4); | |
6913 | if (!p) { | |
6914 | goto efault; | |
6915 | } | |
6916 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
6917 | unlock_user(p, arg4, 0); | |
6918 | } else { | |
6919 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
6920 | } | |
0f6b4d21 | 6921 | break; |
e5febef5 | 6922 | #ifdef TARGET_NR_readdir |
31e31b8a FB |
6923 | case TARGET_NR_readdir: |
6924 | goto unimplemented; | |
e5febef5 TS |
6925 | #endif |
6926 | #ifdef TARGET_NR_mmap | |
31e31b8a | 6927 | case TARGET_NR_mmap: |
09701199 AG |
6928 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
6929 | (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ | |
a4c075f1 UH |
6930 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
6931 | || defined(TARGET_S390X) | |
31e31b8a | 6932 | { |
992f48a0 BS |
6933 | abi_ulong *v; |
6934 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 FB |
6935 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
6936 | goto efault; | |
cbb21eed MB |
6937 | v1 = tswapal(v[0]); |
6938 | v2 = tswapal(v[1]); | |
6939 | v3 = tswapal(v[2]); | |
6940 | v4 = tswapal(v[3]); | |
6941 | v5 = tswapal(v[4]); | |
6942 | v6 = tswapal(v[5]); | |
53a5960a | 6943 | unlock_user(v, arg1, 0); |
5fafdf24 | 6944 | ret = get_errno(target_mmap(v1, v2, v3, |
5286db75 FB |
6945 | target_to_host_bitmask(v4, mmap_flags_tbl), |
6946 | v5, v6)); | |
31e31b8a | 6947 | } |
31e31b8a | 6948 | #else |
5fafdf24 TS |
6949 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
6950 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
6fb883e8 FB |
6951 | arg5, |
6952 | arg6)); | |
31e31b8a | 6953 | #endif |
6fb883e8 | 6954 | break; |
e5febef5 | 6955 | #endif |
a315a145 | 6956 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 6957 | case TARGET_NR_mmap2: |
bb7ec043 | 6958 | #ifndef MMAP_SHIFT |
c573ff67 | 6959 | #define MMAP_SHIFT 12 |
c573ff67 | 6960 | #endif |
5fafdf24 TS |
6961 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
6962 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
5286db75 | 6963 | arg5, |
c573ff67 | 6964 | arg6 << MMAP_SHIFT)); |
31e31b8a | 6965 | break; |
a315a145 | 6966 | #endif |
31e31b8a | 6967 | case TARGET_NR_munmap: |
54936004 | 6968 | ret = get_errno(target_munmap(arg1, arg2)); |
31e31b8a | 6969 | break; |
9de5e440 | 6970 | case TARGET_NR_mprotect: |
97374d38 | 6971 | { |
0429a971 | 6972 | TaskState *ts = cpu->opaque; |
97374d38 PB |
6973 | /* Special hack to detect libc making the stack executable. */ |
6974 | if ((arg3 & PROT_GROWSDOWN) | |
6975 | && arg1 >= ts->info->stack_limit | |
6976 | && arg1 <= ts->info->start_stack) { | |
6977 | arg3 &= ~PROT_GROWSDOWN; | |
6978 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
6979 | arg1 = ts->info->stack_limit; | |
6980 | } | |
6981 | } | |
54936004 | 6982 | ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
9de5e440 | 6983 | break; |
e5febef5 | 6984 | #ifdef TARGET_NR_mremap |
9de5e440 | 6985 | case TARGET_NR_mremap: |
54936004 | 6986 | ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
9de5e440 | 6987 | break; |
e5febef5 | 6988 | #endif |
53a5960a | 6989 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 6990 | #ifdef TARGET_NR_msync |
9de5e440 | 6991 | case TARGET_NR_msync: |
53a5960a | 6992 | ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
9de5e440 | 6993 | break; |
e5febef5 TS |
6994 | #endif |
6995 | #ifdef TARGET_NR_mlock | |
9de5e440 | 6996 | case TARGET_NR_mlock: |
53a5960a | 6997 | ret = get_errno(mlock(g2h(arg1), arg2)); |
9de5e440 | 6998 | break; |
e5febef5 TS |
6999 | #endif |
7000 | #ifdef TARGET_NR_munlock | |
9de5e440 | 7001 | case TARGET_NR_munlock: |
53a5960a | 7002 | ret = get_errno(munlock(g2h(arg1), arg2)); |
9de5e440 | 7003 | break; |
e5febef5 TS |
7004 | #endif |
7005 | #ifdef TARGET_NR_mlockall | |
9de5e440 | 7006 | case TARGET_NR_mlockall: |
6f6a4032 | 7007 | ret = get_errno(mlockall(target_to_host_mlockall_arg(arg1))); |
9de5e440 | 7008 | break; |
e5febef5 TS |
7009 | #endif |
7010 | #ifdef TARGET_NR_munlockall | |
9de5e440 FB |
7011 | case TARGET_NR_munlockall: |
7012 | ret = get_errno(munlockall()); | |
7013 | break; | |
e5febef5 | 7014 | #endif |
31e31b8a | 7015 | case TARGET_NR_truncate: |
579a97f7 FB |
7016 | if (!(p = lock_user_string(arg1))) |
7017 | goto efault; | |
53a5960a PB |
7018 | ret = get_errno(truncate(p, arg2)); |
7019 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
7020 | break; |
7021 | case TARGET_NR_ftruncate: | |
7022 | ret = get_errno(ftruncate(arg1, arg2)); | |
7023 | break; | |
7024 | case TARGET_NR_fchmod: | |
7025 | ret = get_errno(fchmod(arg1, arg2)); | |
7026 | break; | |
c0d472b1 | 7027 | #if defined(TARGET_NR_fchmodat) |
814d7977 | 7028 | case TARGET_NR_fchmodat: |
579a97f7 FB |
7029 | if (!(p = lock_user_string(arg2))) |
7030 | goto efault; | |
c0d472b1 | 7031 | ret = get_errno(fchmodat(arg1, p, arg3, 0)); |
579a97f7 | 7032 | unlock_user(p, arg2, 0); |
814d7977 TS |
7033 | break; |
7034 | #endif | |
31e31b8a | 7035 | case TARGET_NR_getpriority: |
95c09828 RH |
7036 | /* Note that negative values are valid for getpriority, so we must |
7037 | differentiate based on errno settings. */ | |
7038 | errno = 0; | |
7039 | ret = getpriority(arg1, arg2); | |
7040 | if (ret == -1 && errno != 0) { | |
7041 | ret = -host_to_target_errno(errno); | |
7042 | break; | |
7043 | } | |
7044 | #ifdef TARGET_ALPHA | |
7045 | /* Return value is the unbiased priority. Signal no error. */ | |
7046 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; | |
7047 | #else | |
7048 | /* Return value is a biased priority to avoid negative numbers. */ | |
7049 | ret = 20 - ret; | |
7050 | #endif | |
31e31b8a FB |
7051 | break; |
7052 | case TARGET_NR_setpriority: | |
7053 | ret = get_errno(setpriority(arg1, arg2, arg3)); | |
7054 | break; | |
ebc05488 | 7055 | #ifdef TARGET_NR_profil |
31e31b8a FB |
7056 | case TARGET_NR_profil: |
7057 | goto unimplemented; | |
ebc05488 | 7058 | #endif |
31e31b8a | 7059 | case TARGET_NR_statfs: |
579a97f7 FB |
7060 | if (!(p = lock_user_string(arg1))) |
7061 | goto efault; | |
53a5960a PB |
7062 | ret = get_errno(statfs(path(p), &stfs)); |
7063 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
7064 | convert_statfs: |
7065 | if (!is_error(ret)) { | |
53a5960a | 7066 | struct target_statfs *target_stfs; |
3b46e624 | 7067 | |
579a97f7 FB |
7068 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
7069 | goto efault; | |
7070 | __put_user(stfs.f_type, &target_stfs->f_type); | |
7071 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
7072 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
7073 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
7074 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
7075 | __put_user(stfs.f_files, &target_stfs->f_files); | |
7076 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
7077 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
7078 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
7079 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
7080 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
7081 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
53a5960a | 7082 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a FB |
7083 | } |
7084 | break; | |
7085 | case TARGET_NR_fstatfs: | |
56c8f68f | 7086 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 7087 | goto convert_statfs; |
56c8f68f FB |
7088 | #ifdef TARGET_NR_statfs64 |
7089 | case TARGET_NR_statfs64: | |
579a97f7 FB |
7090 | if (!(p = lock_user_string(arg1))) |
7091 | goto efault; | |
53a5960a PB |
7092 | ret = get_errno(statfs(path(p), &stfs)); |
7093 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
7094 | convert_statfs64: |
7095 | if (!is_error(ret)) { | |
53a5960a | 7096 | struct target_statfs64 *target_stfs; |
3b46e624 | 7097 | |
579a97f7 FB |
7098 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
7099 | goto efault; | |
7100 | __put_user(stfs.f_type, &target_stfs->f_type); | |
7101 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
7102 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
7103 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
7104 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
7105 | __put_user(stfs.f_files, &target_stfs->f_files); | |
7106 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
7107 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
7108 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
7109 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
7110 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
7111 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
579a97f7 | 7112 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f FB |
7113 | } |
7114 | break; | |
7115 | case TARGET_NR_fstatfs64: | |
7116 | ret = get_errno(fstatfs(arg1, &stfs)); | |
7117 | goto convert_statfs64; | |
7118 | #endif | |
ebc05488 | 7119 | #ifdef TARGET_NR_ioperm |
31e31b8a FB |
7120 | case TARGET_NR_ioperm: |
7121 | goto unimplemented; | |
ebc05488 | 7122 | #endif |
e5febef5 | 7123 | #ifdef TARGET_NR_socketcall |
31e31b8a | 7124 | case TARGET_NR_socketcall: |
53a5960a | 7125 | ret = do_socketcall(arg1, arg2); |
31e31b8a | 7126 | break; |
e5febef5 | 7127 | #endif |
3532fa74 FB |
7128 | #ifdef TARGET_NR_accept |
7129 | case TARGET_NR_accept: | |
a94b4987 PM |
7130 | ret = do_accept4(arg1, arg2, arg3, 0); |
7131 | break; | |
7132 | #endif | |
7133 | #ifdef TARGET_NR_accept4 | |
7134 | case TARGET_NR_accept4: | |
7135 | #ifdef CONFIG_ACCEPT4 | |
7136 | ret = do_accept4(arg1, arg2, arg3, arg4); | |
7137 | #else | |
7138 | goto unimplemented; | |
7139 | #endif | |
3532fa74 FB |
7140 | break; |
7141 | #endif | |
7142 | #ifdef TARGET_NR_bind | |
7143 | case TARGET_NR_bind: | |
7144 | ret = do_bind(arg1, arg2, arg3); | |
7145 | break; | |
7146 | #endif | |
7147 | #ifdef TARGET_NR_connect | |
7148 | case TARGET_NR_connect: | |
7149 | ret = do_connect(arg1, arg2, arg3); | |
7150 | break; | |
7151 | #endif | |
7152 | #ifdef TARGET_NR_getpeername | |
7153 | case TARGET_NR_getpeername: | |
1be9e1dc | 7154 | ret = do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
7155 | break; |
7156 | #endif | |
7157 | #ifdef TARGET_NR_getsockname | |
7158 | case TARGET_NR_getsockname: | |
1be9e1dc | 7159 | ret = do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
7160 | break; |
7161 | #endif | |
7162 | #ifdef TARGET_NR_getsockopt | |
7163 | case TARGET_NR_getsockopt: | |
7164 | ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); | |
7165 | break; | |
7166 | #endif | |
7167 | #ifdef TARGET_NR_listen | |
7168 | case TARGET_NR_listen: | |
1be9e1dc | 7169 | ret = get_errno(listen(arg1, arg2)); |
3532fa74 FB |
7170 | break; |
7171 | #endif | |
7172 | #ifdef TARGET_NR_recv | |
7173 | case TARGET_NR_recv: | |
214201bd | 7174 | ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
7175 | break; |
7176 | #endif | |
7177 | #ifdef TARGET_NR_recvfrom | |
7178 | case TARGET_NR_recvfrom: | |
214201bd | 7179 | ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
7180 | break; |
7181 | #endif | |
7182 | #ifdef TARGET_NR_recvmsg | |
7183 | case TARGET_NR_recvmsg: | |
7184 | ret = do_sendrecvmsg(arg1, arg2, arg3, 0); | |
7185 | break; | |
7186 | #endif | |
7187 | #ifdef TARGET_NR_send | |
7188 | case TARGET_NR_send: | |
1be9e1dc | 7189 | ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
7190 | break; |
7191 | #endif | |
7192 | #ifdef TARGET_NR_sendmsg | |
7193 | case TARGET_NR_sendmsg: | |
7194 | ret = do_sendrecvmsg(arg1, arg2, arg3, 1); | |
7195 | break; | |
7196 | #endif | |
f19e00d7 AG |
7197 | #ifdef TARGET_NR_sendmmsg |
7198 | case TARGET_NR_sendmmsg: | |
7199 | ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 1); | |
7200 | break; | |
7201 | case TARGET_NR_recvmmsg: | |
7202 | ret = do_sendrecvmmsg(arg1, arg2, arg3, arg4, 0); | |
7203 | break; | |
7204 | #endif | |
3532fa74 FB |
7205 | #ifdef TARGET_NR_sendto |
7206 | case TARGET_NR_sendto: | |
1be9e1dc | 7207 | ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
7208 | break; |
7209 | #endif | |
7210 | #ifdef TARGET_NR_shutdown | |
7211 | case TARGET_NR_shutdown: | |
1be9e1dc | 7212 | ret = get_errno(shutdown(arg1, arg2)); |
3532fa74 FB |
7213 | break; |
7214 | #endif | |
7215 | #ifdef TARGET_NR_socket | |
7216 | case TARGET_NR_socket: | |
7217 | ret = do_socket(arg1, arg2, arg3); | |
7218 | break; | |
7219 | #endif | |
7220 | #ifdef TARGET_NR_socketpair | |
7221 | case TARGET_NR_socketpair: | |
1be9e1dc | 7222 | ret = do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
7223 | break; |
7224 | #endif | |
7225 | #ifdef TARGET_NR_setsockopt | |
7226 | case TARGET_NR_setsockopt: | |
7227 | ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); | |
7228 | break; | |
7229 | #endif | |
7494b0f9 | 7230 | |
31e31b8a | 7231 | case TARGET_NR_syslog: |
579a97f7 FB |
7232 | if (!(p = lock_user_string(arg2))) |
7233 | goto efault; | |
e5574487 TS |
7234 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); |
7235 | unlock_user(p, arg2, 0); | |
7494b0f9 TS |
7236 | break; |
7237 | ||
31e31b8a | 7238 | case TARGET_NR_setitimer: |
66fb9763 | 7239 | { |
66fb9763 FB |
7240 | struct itimerval value, ovalue, *pvalue; |
7241 | ||
53a5960a | 7242 | if (arg2) { |
66fb9763 | 7243 | pvalue = &value; |
788f5ec4 TS |
7244 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
7245 | || copy_from_user_timeval(&pvalue->it_value, | |
7246 | arg2 + sizeof(struct target_timeval))) | |
7247 | goto efault; | |
66fb9763 FB |
7248 | } else { |
7249 | pvalue = NULL; | |
7250 | } | |
7251 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 7252 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
7253 | if (copy_to_user_timeval(arg3, |
7254 | &ovalue.it_interval) | |
7255 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
7256 | &ovalue.it_value)) | |
7257 | goto efault; | |
66fb9763 FB |
7258 | } |
7259 | } | |
7260 | break; | |
31e31b8a | 7261 | case TARGET_NR_getitimer: |
66fb9763 | 7262 | { |
66fb9763 | 7263 | struct itimerval value; |
3b46e624 | 7264 | |
66fb9763 | 7265 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 7266 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
7267 | if (copy_to_user_timeval(arg2, |
7268 | &value.it_interval) | |
7269 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
7270 | &value.it_value)) | |
7271 | goto efault; | |
66fb9763 FB |
7272 | } |
7273 | } | |
7274 | break; | |
31e31b8a | 7275 | case TARGET_NR_stat: |
579a97f7 FB |
7276 | if (!(p = lock_user_string(arg1))) |
7277 | goto efault; | |
53a5960a PB |
7278 | ret = get_errno(stat(path(p), &st)); |
7279 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
7280 | goto do_stat; |
7281 | case TARGET_NR_lstat: | |
579a97f7 FB |
7282 | if (!(p = lock_user_string(arg1))) |
7283 | goto efault; | |
53a5960a PB |
7284 | ret = get_errno(lstat(path(p), &st)); |
7285 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
7286 | goto do_stat; |
7287 | case TARGET_NR_fstat: | |
7288 | { | |
7289 | ret = get_errno(fstat(arg1, &st)); | |
7290 | do_stat: | |
7291 | if (!is_error(ret)) { | |
53a5960a | 7292 | struct target_stat *target_st; |
e3584658 | 7293 | |
579a97f7 FB |
7294 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
7295 | goto efault; | |
12727917 | 7296 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
7297 | __put_user(st.st_dev, &target_st->st_dev); |
7298 | __put_user(st.st_ino, &target_st->st_ino); | |
7299 | __put_user(st.st_mode, &target_st->st_mode); | |
7300 | __put_user(st.st_uid, &target_st->st_uid); | |
7301 | __put_user(st.st_gid, &target_st->st_gid); | |
7302 | __put_user(st.st_nlink, &target_st->st_nlink); | |
7303 | __put_user(st.st_rdev, &target_st->st_rdev); | |
7304 | __put_user(st.st_size, &target_st->st_size); | |
7305 | __put_user(st.st_blksize, &target_st->st_blksize); | |
7306 | __put_user(st.st_blocks, &target_st->st_blocks); | |
7307 | __put_user(st.st_atime, &target_st->target_st_atime); | |
7308 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
7309 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
53a5960a | 7310 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
7311 | } |
7312 | } | |
7313 | break; | |
ebc05488 | 7314 | #ifdef TARGET_NR_olduname |
31e31b8a FB |
7315 | case TARGET_NR_olduname: |
7316 | goto unimplemented; | |
ebc05488 FB |
7317 | #endif |
7318 | #ifdef TARGET_NR_iopl | |
31e31b8a FB |
7319 | case TARGET_NR_iopl: |
7320 | goto unimplemented; | |
ebc05488 | 7321 | #endif |
31e31b8a FB |
7322 | case TARGET_NR_vhangup: |
7323 | ret = get_errno(vhangup()); | |
7324 | break; | |
ebc05488 | 7325 | #ifdef TARGET_NR_idle |
31e31b8a FB |
7326 | case TARGET_NR_idle: |
7327 | goto unimplemented; | |
42ad6ae9 FB |
7328 | #endif |
7329 | #ifdef TARGET_NR_syscall | |
7330 | case TARGET_NR_syscall: | |
5945cfcb PM |
7331 | ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
7332 | arg6, arg7, arg8, 0); | |
7333 | break; | |
ebc05488 | 7334 | #endif |
31e31b8a FB |
7335 | case TARGET_NR_wait4: |
7336 | { | |
7337 | int status; | |
992f48a0 | 7338 | abi_long status_ptr = arg2; |
31e31b8a | 7339 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 7340 | abi_ulong target_rusage = arg4; |
a39fb273 | 7341 | abi_long rusage_err; |
31e31b8a FB |
7342 | if (target_rusage) |
7343 | rusage_ptr = &rusage; | |
7344 | else | |
7345 | rusage_ptr = NULL; | |
7346 | ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); | |
7347 | if (!is_error(ret)) { | |
5379557b | 7348 | if (status_ptr && ret) { |
1d9d8b55 | 7349 | status = host_to_target_waitstatus(status); |
2f619698 FB |
7350 | if (put_user_s32(status, status_ptr)) |
7351 | goto efault; | |
31e31b8a | 7352 | } |
a39fb273 PJ |
7353 | if (target_rusage) { |
7354 | rusage_err = host_to_target_rusage(target_rusage, &rusage); | |
7355 | if (rusage_err) { | |
7356 | ret = rusage_err; | |
7357 | } | |
7358 | } | |
31e31b8a FB |
7359 | } |
7360 | } | |
7361 | break; | |
e5febef5 | 7362 | #ifdef TARGET_NR_swapoff |
31e31b8a | 7363 | case TARGET_NR_swapoff: |
579a97f7 FB |
7364 | if (!(p = lock_user_string(arg1))) |
7365 | goto efault; | |
53a5960a PB |
7366 | ret = get_errno(swapoff(p)); |
7367 | unlock_user(p, arg1, 0); | |
31e31b8a | 7368 | break; |
e5febef5 | 7369 | #endif |
31e31b8a | 7370 | case TARGET_NR_sysinfo: |
a5448a7d | 7371 | { |
53a5960a | 7372 | struct target_sysinfo *target_value; |
a5448a7d FB |
7373 | struct sysinfo value; |
7374 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 7375 | if (!is_error(ret) && arg1) |
a5448a7d | 7376 | { |
579a97f7 FB |
7377 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
7378 | goto efault; | |
a5448a7d FB |
7379 | __put_user(value.uptime, &target_value->uptime); |
7380 | __put_user(value.loads[0], &target_value->loads[0]); | |
7381 | __put_user(value.loads[1], &target_value->loads[1]); | |
7382 | __put_user(value.loads[2], &target_value->loads[2]); | |
7383 | __put_user(value.totalram, &target_value->totalram); | |
7384 | __put_user(value.freeram, &target_value->freeram); | |
7385 | __put_user(value.sharedram, &target_value->sharedram); | |
7386 | __put_user(value.bufferram, &target_value->bufferram); | |
7387 | __put_user(value.totalswap, &target_value->totalswap); | |
7388 | __put_user(value.freeswap, &target_value->freeswap); | |
7389 | __put_user(value.procs, &target_value->procs); | |
7390 | __put_user(value.totalhigh, &target_value->totalhigh); | |
7391 | __put_user(value.freehigh, &target_value->freehigh); | |
7392 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 7393 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
7394 | } |
7395 | } | |
7396 | break; | |
e5febef5 | 7397 | #ifdef TARGET_NR_ipc |
31e31b8a | 7398 | case TARGET_NR_ipc: |
8853f86e FB |
7399 | ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); |
7400 | break; | |
e5febef5 | 7401 | #endif |
e5289087 AJ |
7402 | #ifdef TARGET_NR_semget |
7403 | case TARGET_NR_semget: | |
7404 | ret = get_errno(semget(arg1, arg2, arg3)); | |
7405 | break; | |
7406 | #endif | |
7407 | #ifdef TARGET_NR_semop | |
7408 | case TARGET_NR_semop: | |
c7128c9f | 7409 | ret = do_semop(arg1, arg2, arg3); |
e5289087 AJ |
7410 | break; |
7411 | #endif | |
7412 | #ifdef TARGET_NR_semctl | |
7413 | case TARGET_NR_semctl: | |
7414 | ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4); | |
7415 | break; | |
7416 | #endif | |
eeb438c1 AJ |
7417 | #ifdef TARGET_NR_msgctl |
7418 | case TARGET_NR_msgctl: | |
7419 | ret = do_msgctl(arg1, arg2, arg3); | |
7420 | break; | |
7421 | #endif | |
7422 | #ifdef TARGET_NR_msgget | |
7423 | case TARGET_NR_msgget: | |
7424 | ret = get_errno(msgget(arg1, arg2)); | |
7425 | break; | |
7426 | #endif | |
7427 | #ifdef TARGET_NR_msgrcv | |
7428 | case TARGET_NR_msgrcv: | |
7429 | ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); | |
7430 | break; | |
7431 | #endif | |
7432 | #ifdef TARGET_NR_msgsnd | |
7433 | case TARGET_NR_msgsnd: | |
7434 | ret = do_msgsnd(arg1, arg2, arg3, arg4); | |
7435 | break; | |
88a8c984 RV |
7436 | #endif |
7437 | #ifdef TARGET_NR_shmget | |
7438 | case TARGET_NR_shmget: | |
7439 | ret = get_errno(shmget(arg1, arg2, arg3)); | |
7440 | break; | |
7441 | #endif | |
7442 | #ifdef TARGET_NR_shmctl | |
7443 | case TARGET_NR_shmctl: | |
7444 | ret = do_shmctl(arg1, arg2, arg3); | |
7445 | break; | |
7446 | #endif | |
7447 | #ifdef TARGET_NR_shmat | |
7448 | case TARGET_NR_shmat: | |
7449 | ret = do_shmat(arg1, arg2, arg3); | |
7450 | break; | |
7451 | #endif | |
7452 | #ifdef TARGET_NR_shmdt | |
7453 | case TARGET_NR_shmdt: | |
7454 | ret = do_shmdt(arg1); | |
7455 | break; | |
eeb438c1 | 7456 | #endif |
31e31b8a FB |
7457 | case TARGET_NR_fsync: |
7458 | ret = get_errno(fsync(arg1)); | |
7459 | break; | |
31e31b8a | 7460 | case TARGET_NR_clone: |
4ce6243d PM |
7461 | /* Linux manages to have three different orderings for its |
7462 | * arguments to clone(); the BACKWARDS and BACKWARDS2 defines | |
7463 | * match the kernel's CONFIG_CLONE_* settings. | |
7464 | * Microblaze is further special in that it uses a sixth | |
7465 | * implicit argument to clone for the TLS pointer. | |
7466 | */ | |
7467 | #if defined(TARGET_MICROBLAZE) | |
a5b3bdcb | 7468 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
4ce6243d PM |
7469 | #elif defined(TARGET_CLONE_BACKWARDS) |
7470 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); | |
7471 | #elif defined(TARGET_CLONE_BACKWARDS2) | |
a4c075f1 | 7472 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
0b6d3ae0 | 7473 | #else |
4ce6243d | 7474 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
0b6d3ae0 | 7475 | #endif |
1b6b029e | 7476 | break; |
ec86b0fb FB |
7477 | #ifdef __NR_exit_group |
7478 | /* new thread calls */ | |
7479 | case TARGET_NR_exit_group: | |
9788c9ca | 7480 | #ifdef TARGET_GPROF |
6d946cda AJ |
7481 | _mcleanup(); |
7482 | #endif | |
e9009676 | 7483 | gdb_exit(cpu_env, arg1); |
ec86b0fb FB |
7484 | ret = get_errno(exit_group(arg1)); |
7485 | break; | |
7486 | #endif | |
31e31b8a | 7487 | case TARGET_NR_setdomainname: |
579a97f7 FB |
7488 | if (!(p = lock_user_string(arg1))) |
7489 | goto efault; | |
53a5960a PB |
7490 | ret = get_errno(setdomainname(p, arg2)); |
7491 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
7492 | break; |
7493 | case TARGET_NR_uname: | |
7494 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
7495 | { |
7496 | struct new_utsname * buf; | |
3b46e624 | 7497 | |
579a97f7 FB |
7498 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
7499 | goto efault; | |
29e619b1 FB |
7500 | ret = get_errno(sys_uname(buf)); |
7501 | if (!is_error(ret)) { | |
7502 | /* Overrite the native machine name with whatever is being | |
7503 | emulated. */ | |
da79030f | 7504 | strcpy (buf->machine, cpu_to_uname_machine(cpu_env)); |
c5937220 PB |
7505 | /* Allow the user to override the reported release. */ |
7506 | if (qemu_uname_release && *qemu_uname_release) | |
7507 | strcpy (buf->release, qemu_uname_release); | |
29e619b1 | 7508 | } |
53a5960a | 7509 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 7510 | } |
31e31b8a | 7511 | break; |
6dbad63e | 7512 | #ifdef TARGET_I386 |
31e31b8a | 7513 | case TARGET_NR_modify_ldt: |
03acab66 | 7514 | ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); |
5cd4393b | 7515 | break; |
84409ddb | 7516 | #if !defined(TARGET_X86_64) |
5cd4393b FB |
7517 | case TARGET_NR_vm86old: |
7518 | goto unimplemented; | |
7519 | case TARGET_NR_vm86: | |
53a5960a | 7520 | ret = do_vm86(cpu_env, arg1, arg2); |
6dbad63e | 7521 | break; |
84409ddb | 7522 | #endif |
6dbad63e | 7523 | #endif |
31e31b8a FB |
7524 | case TARGET_NR_adjtimex: |
7525 | goto unimplemented; | |
e5febef5 | 7526 | #ifdef TARGET_NR_create_module |
31e31b8a | 7527 | case TARGET_NR_create_module: |
e5febef5 | 7528 | #endif |
31e31b8a FB |
7529 | case TARGET_NR_init_module: |
7530 | case TARGET_NR_delete_module: | |
e5febef5 | 7531 | #ifdef TARGET_NR_get_kernel_syms |
31e31b8a | 7532 | case TARGET_NR_get_kernel_syms: |
e5febef5 | 7533 | #endif |
31e31b8a FB |
7534 | goto unimplemented; |
7535 | case TARGET_NR_quotactl: | |
7536 | goto unimplemented; | |
7537 | case TARGET_NR_getpgid: | |
7538 | ret = get_errno(getpgid(arg1)); | |
7539 | break; | |
7540 | case TARGET_NR_fchdir: | |
7541 | ret = get_errno(fchdir(arg1)); | |
7542 | break; | |
84409ddb | 7543 | #ifdef TARGET_NR_bdflush /* not on x86_64 */ |
31e31b8a FB |
7544 | case TARGET_NR_bdflush: |
7545 | goto unimplemented; | |
84409ddb | 7546 | #endif |
e5febef5 | 7547 | #ifdef TARGET_NR_sysfs |
31e31b8a FB |
7548 | case TARGET_NR_sysfs: |
7549 | goto unimplemented; | |
e5febef5 | 7550 | #endif |
31e31b8a | 7551 | case TARGET_NR_personality: |
1b6b029e | 7552 | ret = get_errno(personality(arg1)); |
31e31b8a | 7553 | break; |
e5febef5 | 7554 | #ifdef TARGET_NR_afs_syscall |
31e31b8a FB |
7555 | case TARGET_NR_afs_syscall: |
7556 | goto unimplemented; | |
e5febef5 | 7557 | #endif |
7a3148a9 | 7558 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
7559 | case TARGET_NR__llseek: |
7560 | { | |
0c1592d9 | 7561 | int64_t res; |
d35b261c | 7562 | #if !defined(__NR_llseek) |
0c1592d9 PM |
7563 | res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5); |
7564 | if (res == -1) { | |
7565 | ret = get_errno(res); | |
7566 | } else { | |
7567 | ret = 0; | |
7568 | } | |
4f2ac237 | 7569 | #else |
31e31b8a | 7570 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 7571 | #endif |
0c1592d9 PM |
7572 | if ((ret == 0) && put_user_s64(res, arg4)) { |
7573 | goto efault; | |
7574 | } | |
31e31b8a FB |
7575 | } |
7576 | break; | |
7a3148a9 | 7577 | #endif |
31e31b8a | 7578 | case TARGET_NR_getdents: |
3307e236 | 7579 | #ifdef __NR_getdents |
d83c8733 | 7580 | #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
4add45b4 | 7581 | { |
53a5960a | 7582 | struct target_dirent *target_dirp; |
6556a833 | 7583 | struct linux_dirent *dirp; |
992f48a0 | 7584 | abi_long count = arg3; |
4add45b4 FB |
7585 | |
7586 | dirp = malloc(count); | |
0da46a6e | 7587 | if (!dirp) { |
579a97f7 | 7588 | ret = -TARGET_ENOMEM; |
0da46a6e TS |
7589 | goto fail; |
7590 | } | |
3b46e624 | 7591 | |
4add45b4 FB |
7592 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
7593 | if (!is_error(ret)) { | |
6556a833 | 7594 | struct linux_dirent *de; |
4add45b4 FB |
7595 | struct target_dirent *tde; |
7596 | int len = ret; | |
7597 | int reclen, treclen; | |
7598 | int count1, tnamelen; | |
7599 | ||
7600 | count1 = 0; | |
7601 | de = dirp; | |
579a97f7 FB |
7602 | if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7603 | goto efault; | |
4add45b4 FB |
7604 | tde = target_dirp; |
7605 | while (len > 0) { | |
7606 | reclen = de->d_reclen; | |
333858b7 DL |
7607 | tnamelen = reclen - offsetof(struct linux_dirent, d_name); |
7608 | assert(tnamelen >= 0); | |
7609 | treclen = tnamelen + offsetof(struct target_dirent, d_name); | |
7610 | assert(count1 + treclen <= count); | |
4add45b4 | 7611 | tde->d_reclen = tswap16(treclen); |
cbb21eed MB |
7612 | tde->d_ino = tswapal(de->d_ino); |
7613 | tde->d_off = tswapal(de->d_off); | |
333858b7 | 7614 | memcpy(tde->d_name, de->d_name, tnamelen); |
6556a833 | 7615 | de = (struct linux_dirent *)((char *)de + reclen); |
4add45b4 | 7616 | len -= reclen; |
1c5bf3bf | 7617 | tde = (struct target_dirent *)((char *)tde + treclen); |
4add45b4 FB |
7618 | count1 += treclen; |
7619 | } | |
7620 | ret = count1; | |
579a97f7 | 7621 | unlock_user(target_dirp, arg2, ret); |
4add45b4 FB |
7622 | } |
7623 | free(dirp); | |
7624 | } | |
7625 | #else | |
31e31b8a | 7626 | { |
6556a833 | 7627 | struct linux_dirent *dirp; |
992f48a0 | 7628 | abi_long count = arg3; |
dab2ed99 | 7629 | |
579a97f7 FB |
7630 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7631 | goto efault; | |
72f03900 | 7632 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
31e31b8a | 7633 | if (!is_error(ret)) { |
6556a833 | 7634 | struct linux_dirent *de; |
31e31b8a FB |
7635 | int len = ret; |
7636 | int reclen; | |
7637 | de = dirp; | |
7638 | while (len > 0) { | |
8083a3e5 | 7639 | reclen = de->d_reclen; |
31e31b8a FB |
7640 | if (reclen > len) |
7641 | break; | |
8083a3e5 | 7642 | de->d_reclen = tswap16(reclen); |
31e31b8a FB |
7643 | tswapls(&de->d_ino); |
7644 | tswapls(&de->d_off); | |
6556a833 | 7645 | de = (struct linux_dirent *)((char *)de + reclen); |
31e31b8a FB |
7646 | len -= reclen; |
7647 | } | |
7648 | } | |
53a5960a | 7649 | unlock_user(dirp, arg2, ret); |
3307e236 PM |
7650 | } |
7651 | #endif | |
7652 | #else | |
7653 | /* Implement getdents in terms of getdents64 */ | |
7654 | { | |
7655 | struct linux_dirent64 *dirp; | |
7656 | abi_long count = arg3; | |
7657 | ||
7658 | dirp = lock_user(VERIFY_WRITE, arg2, count, 0); | |
7659 | if (!dirp) { | |
7660 | goto efault; | |
7661 | } | |
7662 | ret = get_errno(sys_getdents64(arg1, dirp, count)); | |
7663 | if (!is_error(ret)) { | |
7664 | /* Convert the dirent64 structs to target dirent. We do this | |
7665 | * in-place, since we can guarantee that a target_dirent is no | |
7666 | * larger than a dirent64; however this means we have to be | |
7667 | * careful to read everything before writing in the new format. | |
7668 | */ | |
7669 | struct linux_dirent64 *de; | |
7670 | struct target_dirent *tde; | |
7671 | int len = ret; | |
7672 | int tlen = 0; | |
7673 | ||
7674 | de = dirp; | |
7675 | tde = (struct target_dirent *)dirp; | |
7676 | while (len > 0) { | |
7677 | int namelen, treclen; | |
7678 | int reclen = de->d_reclen; | |
7679 | uint64_t ino = de->d_ino; | |
7680 | int64_t off = de->d_off; | |
7681 | uint8_t type = de->d_type; | |
7682 | ||
7683 | namelen = strlen(de->d_name); | |
7684 | treclen = offsetof(struct target_dirent, d_name) | |
7685 | + namelen + 2; | |
7686 | treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long)); | |
7687 | ||
7688 | memmove(tde->d_name, de->d_name, namelen + 1); | |
7689 | tde->d_ino = tswapal(ino); | |
7690 | tde->d_off = tswapal(off); | |
7691 | tde->d_reclen = tswap16(treclen); | |
7692 | /* The target_dirent type is in what was formerly a padding | |
7693 | * byte at the end of the structure: | |
7694 | */ | |
7695 | *(((char *)tde) + treclen - 1) = type; | |
7696 | ||
7697 | de = (struct linux_dirent64 *)((char *)de + reclen); | |
7698 | tde = (struct target_dirent *)((char *)tde + treclen); | |
7699 | len -= reclen; | |
7700 | tlen += treclen; | |
7701 | } | |
7702 | ret = tlen; | |
7703 | } | |
7704 | unlock_user(dirp, arg2, ret); | |
31e31b8a | 7705 | } |
4add45b4 | 7706 | #endif |
31e31b8a | 7707 | break; |
3ae43202 | 7708 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 FB |
7709 | case TARGET_NR_getdents64: |
7710 | { | |
6556a833 | 7711 | struct linux_dirent64 *dirp; |
992f48a0 | 7712 | abi_long count = arg3; |
579a97f7 FB |
7713 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7714 | goto efault; | |
dab2ed99 FB |
7715 | ret = get_errno(sys_getdents64(arg1, dirp, count)); |
7716 | if (!is_error(ret)) { | |
6556a833 | 7717 | struct linux_dirent64 *de; |
dab2ed99 FB |
7718 | int len = ret; |
7719 | int reclen; | |
7720 | de = dirp; | |
7721 | while (len > 0) { | |
8083a3e5 | 7722 | reclen = de->d_reclen; |
dab2ed99 FB |
7723 | if (reclen > len) |
7724 | break; | |
8083a3e5 | 7725 | de->d_reclen = tswap16(reclen); |
8582a53a FB |
7726 | tswap64s((uint64_t *)&de->d_ino); |
7727 | tswap64s((uint64_t *)&de->d_off); | |
6556a833 | 7728 | de = (struct linux_dirent64 *)((char *)de + reclen); |
dab2ed99 FB |
7729 | len -= reclen; |
7730 | } | |
7731 | } | |
53a5960a | 7732 | unlock_user(dirp, arg2, ret); |
dab2ed99 FB |
7733 | } |
7734 | break; | |
a541f297 | 7735 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 7736 | #if defined(TARGET_NR__newselect) |
31e31b8a | 7737 | case TARGET_NR__newselect: |
53a5960a | 7738 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
31e31b8a | 7739 | break; |
e5febef5 | 7740 | #endif |
d8035d4c MF |
7741 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) |
7742 | # ifdef TARGET_NR_poll | |
9de5e440 | 7743 | case TARGET_NR_poll: |
d8035d4c MF |
7744 | # endif |
7745 | # ifdef TARGET_NR_ppoll | |
7746 | case TARGET_NR_ppoll: | |
7747 | # endif | |
9de5e440 | 7748 | { |
53a5960a | 7749 | struct target_pollfd *target_pfd; |
9de5e440 FB |
7750 | unsigned int nfds = arg2; |
7751 | int timeout = arg3; | |
7752 | struct pollfd *pfd; | |
7854b056 | 7753 | unsigned int i; |
9de5e440 | 7754 | |
579a97f7 FB |
7755 | target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); |
7756 | if (!target_pfd) | |
7757 | goto efault; | |
d8035d4c | 7758 | |
9de5e440 FB |
7759 | pfd = alloca(sizeof(struct pollfd) * nfds); |
7760 | for(i = 0; i < nfds; i++) { | |
5cd4393b FB |
7761 | pfd[i].fd = tswap32(target_pfd[i].fd); |
7762 | pfd[i].events = tswap16(target_pfd[i].events); | |
9de5e440 | 7763 | } |
d8035d4c MF |
7764 | |
7765 | # ifdef TARGET_NR_ppoll | |
7766 | if (num == TARGET_NR_ppoll) { | |
7767 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; | |
7768 | target_sigset_t *target_set; | |
7769 | sigset_t _set, *set = &_set; | |
7770 | ||
7771 | if (arg3) { | |
7772 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
7773 | unlock_user(target_pfd, arg1, 0); | |
7774 | goto efault; | |
7775 | } | |
7776 | } else { | |
7777 | timeout_ts = NULL; | |
7778 | } | |
7779 | ||
7780 | if (arg4) { | |
7781 | target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); | |
7782 | if (!target_set) { | |
7783 | unlock_user(target_pfd, arg1, 0); | |
7784 | goto efault; | |
7785 | } | |
7786 | target_to_host_sigset(set, target_set); | |
7787 | } else { | |
7788 | set = NULL; | |
7789 | } | |
7790 | ||
7791 | ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8)); | |
7792 | ||
7793 | if (!is_error(ret) && arg3) { | |
7794 | host_to_target_timespec(arg3, timeout_ts); | |
7795 | } | |
7796 | if (arg4) { | |
7797 | unlock_user(target_set, arg4, 0); | |
7798 | } | |
7799 | } else | |
7800 | # endif | |
7801 | ret = get_errno(poll(pfd, nfds, timeout)); | |
7802 | ||
9de5e440 FB |
7803 | if (!is_error(ret)) { |
7804 | for(i = 0; i < nfds; i++) { | |
5cd4393b | 7805 | target_pfd[i].revents = tswap16(pfd[i].revents); |
9de5e440 FB |
7806 | } |
7807 | } | |
30cb4cde | 7808 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); |
9de5e440 FB |
7809 | } |
7810 | break; | |
e5febef5 | 7811 | #endif |
31e31b8a | 7812 | case TARGET_NR_flock: |
9de5e440 FB |
7813 | /* NOTE: the flock constant seems to be the same for every |
7814 | Linux platform */ | |
7815 | ret = get_errno(flock(arg1, arg2)); | |
31e31b8a FB |
7816 | break; |
7817 | case TARGET_NR_readv: | |
7818 | { | |
f287b2c2 RH |
7819 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
7820 | if (vec != NULL) { | |
7821 | ret = get_errno(readv(arg1, vec, arg3)); | |
7822 | unlock_iovec(vec, arg2, arg3, 1); | |
7823 | } else { | |
7824 | ret = -host_to_target_errno(errno); | |
7825 | } | |
31e31b8a FB |
7826 | } |
7827 | break; | |
7828 | case TARGET_NR_writev: | |
7829 | { | |
f287b2c2 RH |
7830 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
7831 | if (vec != NULL) { | |
7832 | ret = get_errno(writev(arg1, vec, arg3)); | |
7833 | unlock_iovec(vec, arg2, arg3, 0); | |
7834 | } else { | |
7835 | ret = -host_to_target_errno(errno); | |
7836 | } | |
31e31b8a FB |
7837 | } |
7838 | break; | |
7839 | case TARGET_NR_getsid: | |
7840 | ret = get_errno(getsid(arg1)); | |
7841 | break; | |
7a3148a9 | 7842 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 7843 | case TARGET_NR_fdatasync: |
5cd4393b FB |
7844 | ret = get_errno(fdatasync(arg1)); |
7845 | break; | |
7a3148a9 | 7846 | #endif |
31e31b8a | 7847 | case TARGET_NR__sysctl: |
0da46a6e | 7848 | /* We don't implement this, but ENOTDIR is always a safe |
29e619b1 | 7849 | return value. */ |
0da46a6e TS |
7850 | ret = -TARGET_ENOTDIR; |
7851 | break; | |
737de1d1 MF |
7852 | case TARGET_NR_sched_getaffinity: |
7853 | { | |
7854 | unsigned int mask_size; | |
7855 | unsigned long *mask; | |
7856 | ||
7857 | /* | |
7858 | * sched_getaffinity needs multiples of ulong, so need to take | |
7859 | * care of mismatches between target ulong and host ulong sizes. | |
7860 | */ | |
7861 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
7862 | ret = -TARGET_EINVAL; | |
7863 | break; | |
7864 | } | |
7865 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
7866 | ||
7867 | mask = alloca(mask_size); | |
7868 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); | |
7869 | ||
7870 | if (!is_error(ret)) { | |
be3bd286 PM |
7871 | if (ret > arg2) { |
7872 | /* More data returned than the caller's buffer will fit. | |
7873 | * This only happens if sizeof(abi_long) < sizeof(long) | |
7874 | * and the caller passed us a buffer holding an odd number | |
7875 | * of abi_longs. If the host kernel is actually using the | |
7876 | * extra 4 bytes then fail EINVAL; otherwise we can just | |
7877 | * ignore them and only copy the interesting part. | |
7878 | */ | |
7879 | int numcpus = sysconf(_SC_NPROCESSORS_CONF); | |
7880 | if (numcpus > arg2 * 8) { | |
7881 | ret = -TARGET_EINVAL; | |
7882 | break; | |
7883 | } | |
7884 | ret = arg2; | |
7885 | } | |
7886 | ||
cd18f05e | 7887 | if (copy_to_user(arg3, mask, ret)) { |
737de1d1 MF |
7888 | goto efault; |
7889 | } | |
737de1d1 MF |
7890 | } |
7891 | } | |
7892 | break; | |
7893 | case TARGET_NR_sched_setaffinity: | |
7894 | { | |
7895 | unsigned int mask_size; | |
7896 | unsigned long *mask; | |
7897 | ||
7898 | /* | |
7899 | * sched_setaffinity needs multiples of ulong, so need to take | |
7900 | * care of mismatches between target ulong and host ulong sizes. | |
7901 | */ | |
7902 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
7903 | ret = -TARGET_EINVAL; | |
7904 | break; | |
7905 | } | |
7906 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
7907 | ||
7908 | mask = alloca(mask_size); | |
7909 | if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) { | |
7910 | goto efault; | |
7911 | } | |
7912 | memcpy(mask, p, arg2); | |
7913 | unlock_user_struct(p, arg2, 0); | |
7914 | ||
7915 | ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); | |
7916 | } | |
7917 | break; | |
31e31b8a | 7918 | case TARGET_NR_sched_setparam: |
5cd4393b | 7919 | { |
53a5960a | 7920 | struct sched_param *target_schp; |
5cd4393b | 7921 | struct sched_param schp; |
53a5960a | 7922 | |
a1d5c5b2 TM |
7923 | if (arg2 == 0) { |
7924 | return -TARGET_EINVAL; | |
7925 | } | |
579a97f7 FB |
7926 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
7927 | goto efault; | |
5cd4393b | 7928 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 7929 | unlock_user_struct(target_schp, arg2, 0); |
5cd4393b FB |
7930 | ret = get_errno(sched_setparam(arg1, &schp)); |
7931 | } | |
7932 | break; | |
31e31b8a | 7933 | case TARGET_NR_sched_getparam: |
5cd4393b | 7934 | { |
53a5960a | 7935 | struct sched_param *target_schp; |
5cd4393b | 7936 | struct sched_param schp; |
a1d5c5b2 TM |
7937 | |
7938 | if (arg2 == 0) { | |
7939 | return -TARGET_EINVAL; | |
7940 | } | |
5cd4393b FB |
7941 | ret = get_errno(sched_getparam(arg1, &schp)); |
7942 | if (!is_error(ret)) { | |
579a97f7 FB |
7943 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
7944 | goto efault; | |
5cd4393b | 7945 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 7946 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
7947 | } |
7948 | } | |
7949 | break; | |
31e31b8a | 7950 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 7951 | { |
53a5960a | 7952 | struct sched_param *target_schp; |
5cd4393b | 7953 | struct sched_param schp; |
a1d5c5b2 TM |
7954 | if (arg3 == 0) { |
7955 | return -TARGET_EINVAL; | |
7956 | } | |
579a97f7 FB |
7957 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
7958 | goto efault; | |
5cd4393b | 7959 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 7960 | unlock_user_struct(target_schp, arg3, 0); |
5cd4393b FB |
7961 | ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
7962 | } | |
7963 | break; | |
31e31b8a | 7964 | case TARGET_NR_sched_getscheduler: |
5cd4393b FB |
7965 | ret = get_errno(sched_getscheduler(arg1)); |
7966 | break; | |
31e31b8a FB |
7967 | case TARGET_NR_sched_yield: |
7968 | ret = get_errno(sched_yield()); | |
7969 | break; | |
7970 | case TARGET_NR_sched_get_priority_max: | |
5cd4393b FB |
7971 | ret = get_errno(sched_get_priority_max(arg1)); |
7972 | break; | |
31e31b8a | 7973 | case TARGET_NR_sched_get_priority_min: |
5cd4393b FB |
7974 | ret = get_errno(sched_get_priority_min(arg1)); |
7975 | break; | |
31e31b8a | 7976 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 7977 | { |
5cd4393b FB |
7978 | struct timespec ts; |
7979 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
7980 | if (!is_error(ret)) { | |
d4290c40 | 7981 | ret = host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
7982 | } |
7983 | } | |
7984 | break; | |
31e31b8a | 7985 | case TARGET_NR_nanosleep: |
1b6b029e | 7986 | { |
1b6b029e | 7987 | struct timespec req, rem; |
53a5960a | 7988 | target_to_host_timespec(&req, arg1); |
1b6b029e | 7989 | ret = get_errno(nanosleep(&req, &rem)); |
53a5960a PB |
7990 | if (is_error(ret) && arg2) { |
7991 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
7992 | } |
7993 | } | |
7994 | break; | |
e5febef5 | 7995 | #ifdef TARGET_NR_query_module |
31e31b8a | 7996 | case TARGET_NR_query_module: |
5cd4393b | 7997 | goto unimplemented; |
e5febef5 TS |
7998 | #endif |
7999 | #ifdef TARGET_NR_nfsservctl | |
31e31b8a | 8000 | case TARGET_NR_nfsservctl: |
5cd4393b | 8001 | goto unimplemented; |
e5febef5 | 8002 | #endif |
31e31b8a | 8003 | case TARGET_NR_prctl: |
1e6722f8 PM |
8004 | switch (arg1) { |
8005 | case PR_GET_PDEATHSIG: | |
8006 | { | |
8007 | int deathsig; | |
8008 | ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); | |
8009 | if (!is_error(ret) && arg2 | |
8010 | && put_user_ual(deathsig, arg2)) { | |
8011 | goto efault; | |
e5574487 | 8012 | } |
1e6722f8 PM |
8013 | break; |
8014 | } | |
db9526b1 PM |
8015 | #ifdef PR_GET_NAME |
8016 | case PR_GET_NAME: | |
8017 | { | |
8018 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
8019 | if (!name) { | |
8020 | goto efault; | |
8021 | } | |
8022 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
8023 | arg3, arg4, arg5)); | |
8024 | unlock_user(name, arg2, 16); | |
8025 | break; | |
8026 | } | |
8027 | case PR_SET_NAME: | |
8028 | { | |
8029 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
8030 | if (!name) { | |
8031 | goto efault; | |
8032 | } | |
8033 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
8034 | arg3, arg4, arg5)); | |
8035 | unlock_user(name, arg2, 0); | |
8036 | break; | |
8037 | } | |
8038 | #endif | |
1e6722f8 PM |
8039 | default: |
8040 | /* Most prctl options have no pointer arguments */ | |
8041 | ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); | |
8042 | break; | |
8043 | } | |
39b9aae1 | 8044 | break; |
d2fd1af7 FB |
8045 | #ifdef TARGET_NR_arch_prctl |
8046 | case TARGET_NR_arch_prctl: | |
8047 | #if defined(TARGET_I386) && !defined(TARGET_ABI32) | |
8048 | ret = do_arch_prctl(cpu_env, arg1, arg2); | |
8049 | break; | |
8050 | #else | |
8051 | goto unimplemented; | |
8052 | #endif | |
8053 | #endif | |
f2c7ba15 AJ |
8054 | #ifdef TARGET_NR_pread64 |
8055 | case TARGET_NR_pread64: | |
ae017a5b AG |
8056 | if (regpairs_aligned(cpu_env)) { |
8057 | arg4 = arg5; | |
8058 | arg5 = arg6; | |
8059 | } | |
f2c7ba15 AJ |
8060 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
8061 | goto efault; | |
8062 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); | |
8063 | unlock_user(p, arg2, ret); | |
8064 | break; | |
8065 | case TARGET_NR_pwrite64: | |
ae017a5b AG |
8066 | if (regpairs_aligned(cpu_env)) { |
8067 | arg4 = arg5; | |
8068 | arg5 = arg6; | |
8069 | } | |
f2c7ba15 AJ |
8070 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
8071 | goto efault; | |
8072 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); | |
8073 | unlock_user(p, arg2, 0); | |
8074 | break; | |
67867308 | 8075 | #endif |
31e31b8a | 8076 | case TARGET_NR_getcwd: |
579a97f7 FB |
8077 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
8078 | goto efault; | |
53a5960a PB |
8079 | ret = get_errno(sys_getcwd1(p, arg2)); |
8080 | unlock_user(p, arg1, ret); | |
31e31b8a FB |
8081 | break; |
8082 | case TARGET_NR_capget: | |
8083 | case TARGET_NR_capset: | |
e0eb210e PM |
8084 | { |
8085 | struct target_user_cap_header *target_header; | |
8086 | struct target_user_cap_data *target_data = NULL; | |
8087 | struct __user_cap_header_struct header; | |
8088 | struct __user_cap_data_struct data[2]; | |
8089 | struct __user_cap_data_struct *dataptr = NULL; | |
8090 | int i, target_datalen; | |
8091 | int data_items = 1; | |
8092 | ||
8093 | if (!lock_user_struct(VERIFY_WRITE, target_header, arg1, 1)) { | |
8094 | goto efault; | |
8095 | } | |
8096 | header.version = tswap32(target_header->version); | |
8097 | header.pid = tswap32(target_header->pid); | |
8098 | ||
ec864874 | 8099 | if (header.version != _LINUX_CAPABILITY_VERSION) { |
e0eb210e PM |
8100 | /* Version 2 and up takes pointer to two user_data structs */ |
8101 | data_items = 2; | |
8102 | } | |
8103 | ||
8104 | target_datalen = sizeof(*target_data) * data_items; | |
8105 | ||
8106 | if (arg2) { | |
8107 | if (num == TARGET_NR_capget) { | |
8108 | target_data = lock_user(VERIFY_WRITE, arg2, target_datalen, 0); | |
8109 | } else { | |
8110 | target_data = lock_user(VERIFY_READ, arg2, target_datalen, 1); | |
8111 | } | |
8112 | if (!target_data) { | |
8113 | unlock_user_struct(target_header, arg1, 0); | |
8114 | goto efault; | |
8115 | } | |
8116 | ||
8117 | if (num == TARGET_NR_capset) { | |
8118 | for (i = 0; i < data_items; i++) { | |
8119 | data[i].effective = tswap32(target_data[i].effective); | |
8120 | data[i].permitted = tswap32(target_data[i].permitted); | |
8121 | data[i].inheritable = tswap32(target_data[i].inheritable); | |
8122 | } | |
8123 | } | |
8124 | ||
8125 | dataptr = data; | |
8126 | } | |
8127 | ||
8128 | if (num == TARGET_NR_capget) { | |
8129 | ret = get_errno(capget(&header, dataptr)); | |
8130 | } else { | |
8131 | ret = get_errno(capset(&header, dataptr)); | |
8132 | } | |
8133 | ||
8134 | /* The kernel always updates version for both capget and capset */ | |
8135 | target_header->version = tswap32(header.version); | |
8136 | unlock_user_struct(target_header, arg1, 1); | |
8137 | ||
8138 | if (arg2) { | |
8139 | if (num == TARGET_NR_capget) { | |
8140 | for (i = 0; i < data_items; i++) { | |
8141 | target_data[i].effective = tswap32(data[i].effective); | |
8142 | target_data[i].permitted = tswap32(data[i].permitted); | |
8143 | target_data[i].inheritable = tswap32(data[i].inheritable); | |
8144 | } | |
8145 | unlock_user(target_data, arg2, target_datalen); | |
8146 | } else { | |
8147 | unlock_user(target_data, arg2, 0); | |
8148 | } | |
8149 | } | |
8150 | break; | |
8151 | } | |
31e31b8a | 8152 | case TARGET_NR_sigaltstack: |
198a74de | 8153 | #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \ |
c761c154 | 8154 | defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \ |
d962783e | 8155 | defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC) |
9349b4f9 | 8156 | ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env)); |
a04e134a TS |
8157 | break; |
8158 | #else | |
5cd4393b | 8159 | goto unimplemented; |
a04e134a | 8160 | #endif |
a8fd1aba PM |
8161 | |
8162 | #ifdef CONFIG_SENDFILE | |
8163 | case TARGET_NR_sendfile: | |
8164 | { | |
8165 | off_t *offp = NULL; | |
8166 | off_t off; | |
8167 | if (arg3) { | |
8168 | ret = get_user_sal(off, arg3); | |
8169 | if (is_error(ret)) { | |
8170 | break; | |
8171 | } | |
8172 | offp = &off; | |
8173 | } | |
8174 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
8175 | if (!is_error(ret) && arg3) { | |
8176 | abi_long ret2 = put_user_sal(off, arg3); | |
8177 | if (is_error(ret2)) { | |
8178 | ret = ret2; | |
8179 | } | |
8180 | } | |
8181 | break; | |
8182 | } | |
8183 | #ifdef TARGET_NR_sendfile64 | |
8184 | case TARGET_NR_sendfile64: | |
8185 | { | |
8186 | off_t *offp = NULL; | |
8187 | off_t off; | |
8188 | if (arg3) { | |
8189 | ret = get_user_s64(off, arg3); | |
8190 | if (is_error(ret)) { | |
8191 | break; | |
8192 | } | |
8193 | offp = &off; | |
8194 | } | |
8195 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
8196 | if (!is_error(ret) && arg3) { | |
8197 | abi_long ret2 = put_user_s64(off, arg3); | |
8198 | if (is_error(ret2)) { | |
8199 | ret = ret2; | |
8200 | } | |
8201 | } | |
8202 | break; | |
8203 | } | |
8204 | #endif | |
8205 | #else | |
31e31b8a | 8206 | case TARGET_NR_sendfile: |
7edd2cf1 | 8207 | #ifdef TARGET_NR_sendfile64 |
a8fd1aba PM |
8208 | case TARGET_NR_sendfile64: |
8209 | #endif | |
5cd4393b | 8210 | goto unimplemented; |
a8fd1aba PM |
8211 | #endif |
8212 | ||
ebc05488 | 8213 | #ifdef TARGET_NR_getpmsg |
31e31b8a | 8214 | case TARGET_NR_getpmsg: |
5cd4393b | 8215 | goto unimplemented; |
ebc05488 FB |
8216 | #endif |
8217 | #ifdef TARGET_NR_putpmsg | |
31e31b8a | 8218 | case TARGET_NR_putpmsg: |
5cd4393b | 8219 | goto unimplemented; |
ebc05488 | 8220 | #endif |
048f6b4d | 8221 | #ifdef TARGET_NR_vfork |
31e31b8a | 8222 | case TARGET_NR_vfork: |
d865bab5 PB |
8223 | ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, |
8224 | 0, 0, 0, 0)); | |
31e31b8a | 8225 | break; |
048f6b4d | 8226 | #endif |
ebc05488 | 8227 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 8228 | case TARGET_NR_ugetrlimit: |
728584be FB |
8229 | { |
8230 | struct rlimit rlim; | |
e22b7015 WT |
8231 | int resource = target_to_host_resource(arg1); |
8232 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 8233 | if (!is_error(ret)) { |
53a5960a | 8234 | struct target_rlimit *target_rlim; |
579a97f7 FB |
8235 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
8236 | goto efault; | |
81bbe906 TY |
8237 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
8238 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 8239 | unlock_user_struct(target_rlim, arg2, 1); |
728584be FB |
8240 | } |
8241 | break; | |
8242 | } | |
ebc05488 | 8243 | #endif |
a315a145 | 8244 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 8245 | case TARGET_NR_truncate64: |
579a97f7 FB |
8246 | if (!(p = lock_user_string(arg1))) |
8247 | goto efault; | |
53a5960a PB |
8248 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
8249 | unlock_user(p, arg1, 0); | |
667f38b1 | 8250 | break; |
a315a145 FB |
8251 | #endif |
8252 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 8253 | case TARGET_NR_ftruncate64: |
ce4defa0 | 8254 | ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
667f38b1 | 8255 | break; |
a315a145 FB |
8256 | #endif |
8257 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 8258 | case TARGET_NR_stat64: |
579a97f7 FB |
8259 | if (!(p = lock_user_string(arg1))) |
8260 | goto efault; | |
53a5960a PB |
8261 | ret = get_errno(stat(path(p), &st)); |
8262 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
8263 | if (!is_error(ret)) |
8264 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
8265 | break; | |
a315a145 FB |
8266 | #endif |
8267 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 8268 | case TARGET_NR_lstat64: |
579a97f7 FB |
8269 | if (!(p = lock_user_string(arg1))) |
8270 | goto efault; | |
53a5960a PB |
8271 | ret = get_errno(lstat(path(p), &st)); |
8272 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
8273 | if (!is_error(ret)) |
8274 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
8275 | break; | |
a315a145 FB |
8276 | #endif |
8277 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 8278 | case TARGET_NR_fstat64: |
6a24a778 AZ |
8279 | ret = get_errno(fstat(arg1, &st)); |
8280 | if (!is_error(ret)) | |
8281 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
8282 | break; | |
ce4defa0 | 8283 | #endif |
c0d472b1 | 8284 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) |
9d33b76b | 8285 | #ifdef TARGET_NR_fstatat64 |
6a24a778 | 8286 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
8287 | #endif |
8288 | #ifdef TARGET_NR_newfstatat | |
8289 | case TARGET_NR_newfstatat: | |
8290 | #endif | |
6a24a778 AZ |
8291 | if (!(p = lock_user_string(arg2))) |
8292 | goto efault; | |
c0d472b1 | 8293 | ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
6a24a778 AZ |
8294 | if (!is_error(ret)) |
8295 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
60cd49d5 | 8296 | break; |
a315a145 | 8297 | #endif |
67867308 | 8298 | case TARGET_NR_lchown: |
579a97f7 FB |
8299 | if (!(p = lock_user_string(arg1))) |
8300 | goto efault; | |
53a5960a PB |
8301 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
8302 | unlock_user(p, arg1, 0); | |
67867308 | 8303 | break; |
0c866a7e | 8304 | #ifdef TARGET_NR_getuid |
67867308 FB |
8305 | case TARGET_NR_getuid: |
8306 | ret = get_errno(high2lowuid(getuid())); | |
8307 | break; | |
0c866a7e RV |
8308 | #endif |
8309 | #ifdef TARGET_NR_getgid | |
67867308 FB |
8310 | case TARGET_NR_getgid: |
8311 | ret = get_errno(high2lowgid(getgid())); | |
8312 | break; | |
0c866a7e RV |
8313 | #endif |
8314 | #ifdef TARGET_NR_geteuid | |
67867308 FB |
8315 | case TARGET_NR_geteuid: |
8316 | ret = get_errno(high2lowuid(geteuid())); | |
8317 | break; | |
0c866a7e RV |
8318 | #endif |
8319 | #ifdef TARGET_NR_getegid | |
67867308 FB |
8320 | case TARGET_NR_getegid: |
8321 | ret = get_errno(high2lowgid(getegid())); | |
8322 | break; | |
0c866a7e | 8323 | #endif |
67867308 FB |
8324 | case TARGET_NR_setreuid: |
8325 | ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); | |
8326 | break; | |
8327 | case TARGET_NR_setregid: | |
8328 | ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); | |
8329 | break; | |
8330 | case TARGET_NR_getgroups: | |
8331 | { | |
8332 | int gidsetsize = arg1; | |
0c866a7e | 8333 | target_id *target_grouplist; |
67867308 FB |
8334 | gid_t *grouplist; |
8335 | int i; | |
8336 | ||
8337 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
8338 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 AZ |
8339 | if (gidsetsize == 0) |
8340 | break; | |
67867308 | 8341 | if (!is_error(ret)) { |
03903ffc | 8342 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); |
579a97f7 FB |
8343 | if (!target_grouplist) |
8344 | goto efault; | |
a2155fcc | 8345 | for(i = 0;i < ret; i++) |
0c866a7e | 8346 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
03903ffc | 8347 | unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); |
67867308 FB |
8348 | } |
8349 | } | |
8350 | break; | |
8351 | case TARGET_NR_setgroups: | |
8352 | { | |
8353 | int gidsetsize = arg1; | |
0c866a7e | 8354 | target_id *target_grouplist; |
f2b79ce9 | 8355 | gid_t *grouplist = NULL; |
67867308 | 8356 | int i; |
f2b79ce9 DA |
8357 | if (gidsetsize) { |
8358 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
03903ffc | 8359 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1); |
f2b79ce9 DA |
8360 | if (!target_grouplist) { |
8361 | ret = -TARGET_EFAULT; | |
8362 | goto fail; | |
8363 | } | |
8364 | for (i = 0; i < gidsetsize; i++) { | |
8365 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
8366 | } | |
8367 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 8368 | } |
67867308 FB |
8369 | ret = get_errno(setgroups(gidsetsize, grouplist)); |
8370 | } | |
8371 | break; | |
8372 | case TARGET_NR_fchown: | |
8373 | ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); | |
8374 | break; | |
c0d472b1 | 8375 | #if defined(TARGET_NR_fchownat) |
ccfa72b7 | 8376 | case TARGET_NR_fchownat: |
579a97f7 FB |
8377 | if (!(p = lock_user_string(arg2))) |
8378 | goto efault; | |
c0d472b1 PM |
8379 | ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
8380 | low2highgid(arg4), arg5)); | |
579a97f7 | 8381 | unlock_user(p, arg2, 0); |
ccfa72b7 TS |
8382 | break; |
8383 | #endif | |
67867308 FB |
8384 | #ifdef TARGET_NR_setresuid |
8385 | case TARGET_NR_setresuid: | |
5fafdf24 TS |
8386 | ret = get_errno(setresuid(low2highuid(arg1), |
8387 | low2highuid(arg2), | |
67867308 FB |
8388 | low2highuid(arg3))); |
8389 | break; | |
8390 | #endif | |
8391 | #ifdef TARGET_NR_getresuid | |
8392 | case TARGET_NR_getresuid: | |
8393 | { | |
53a5960a | 8394 | uid_t ruid, euid, suid; |
67867308 FB |
8395 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
8396 | if (!is_error(ret)) { | |
76ca310a PM |
8397 | if (put_user_id(high2lowuid(ruid), arg1) |
8398 | || put_user_id(high2lowuid(euid), arg2) | |
8399 | || put_user_id(high2lowuid(suid), arg3)) | |
2f619698 | 8400 | goto efault; |
67867308 FB |
8401 | } |
8402 | } | |
8403 | break; | |
8404 | #endif | |
8405 | #ifdef TARGET_NR_getresgid | |
8406 | case TARGET_NR_setresgid: | |
5fafdf24 TS |
8407 | ret = get_errno(setresgid(low2highgid(arg1), |
8408 | low2highgid(arg2), | |
67867308 FB |
8409 | low2highgid(arg3))); |
8410 | break; | |
8411 | #endif | |
8412 | #ifdef TARGET_NR_getresgid | |
8413 | case TARGET_NR_getresgid: | |
8414 | { | |
53a5960a | 8415 | gid_t rgid, egid, sgid; |
67867308 FB |
8416 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
8417 | if (!is_error(ret)) { | |
76ca310a PM |
8418 | if (put_user_id(high2lowgid(rgid), arg1) |
8419 | || put_user_id(high2lowgid(egid), arg2) | |
8420 | || put_user_id(high2lowgid(sgid), arg3)) | |
2f619698 | 8421 | goto efault; |
67867308 FB |
8422 | } |
8423 | } | |
8424 | break; | |
8425 | #endif | |
8426 | case TARGET_NR_chown: | |
579a97f7 FB |
8427 | if (!(p = lock_user_string(arg1))) |
8428 | goto efault; | |
53a5960a PB |
8429 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
8430 | unlock_user(p, arg1, 0); | |
67867308 FB |
8431 | break; |
8432 | case TARGET_NR_setuid: | |
8433 | ret = get_errno(setuid(low2highuid(arg1))); | |
8434 | break; | |
8435 | case TARGET_NR_setgid: | |
8436 | ret = get_errno(setgid(low2highgid(arg1))); | |
8437 | break; | |
8438 | case TARGET_NR_setfsuid: | |
8439 | ret = get_errno(setfsuid(arg1)); | |
8440 | break; | |
8441 | case TARGET_NR_setfsgid: | |
8442 | ret = get_errno(setfsgid(arg1)); | |
8443 | break; | |
67867308 | 8444 | |
a315a145 | 8445 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 8446 | case TARGET_NR_lchown32: |
579a97f7 FB |
8447 | if (!(p = lock_user_string(arg1))) |
8448 | goto efault; | |
53a5960a PB |
8449 | ret = get_errno(lchown(p, arg2, arg3)); |
8450 | unlock_user(p, arg1, 0); | |
b03c60f3 | 8451 | break; |
a315a145 FB |
8452 | #endif |
8453 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 8454 | case TARGET_NR_getuid32: |
b03c60f3 FB |
8455 | ret = get_errno(getuid()); |
8456 | break; | |
a315a145 | 8457 | #endif |
64b4d28c AJ |
8458 | |
8459 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
8460 | /* Alpha specific */ | |
8461 | case TARGET_NR_getxuid: | |
ba0e276d RH |
8462 | { |
8463 | uid_t euid; | |
8464 | euid=geteuid(); | |
8465 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; | |
8466 | } | |
64b4d28c AJ |
8467 | ret = get_errno(getuid()); |
8468 | break; | |
8469 | #endif | |
8470 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
8471 | /* Alpha specific */ | |
8472 | case TARGET_NR_getxgid: | |
ba0e276d RH |
8473 | { |
8474 | uid_t egid; | |
8475 | egid=getegid(); | |
8476 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; | |
8477 | } | |
64b4d28c AJ |
8478 | ret = get_errno(getgid()); |
8479 | break; | |
8480 | #endif | |
ba0e276d RH |
8481 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
8482 | /* Alpha specific */ | |
8483 | case TARGET_NR_osf_getsysinfo: | |
8484 | ret = -TARGET_EOPNOTSUPP; | |
8485 | switch (arg1) { | |
8486 | case TARGET_GSI_IEEE_FP_CONTROL: | |
8487 | { | |
8488 | uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env); | |
8489 | ||
8490 | /* Copied from linux ieee_fpcr_to_swcr. */ | |
8491 | swcr = (fpcr >> 35) & SWCR_STATUS_MASK; | |
8492 | swcr |= (fpcr >> 36) & SWCR_MAP_DMZ; | |
8493 | swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV | |
8494 | | SWCR_TRAP_ENABLE_DZE | |
8495 | | SWCR_TRAP_ENABLE_OVF); | |
8496 | swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF | |
8497 | | SWCR_TRAP_ENABLE_INE); | |
8498 | swcr |= (fpcr >> 47) & SWCR_MAP_UMZ; | |
8499 | swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO; | |
8500 | ||
8501 | if (put_user_u64 (swcr, arg2)) | |
8502 | goto efault; | |
8503 | ret = 0; | |
8504 | } | |
8505 | break; | |
8506 | ||
8507 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
8508 | -- Not implemented in linux kernel. | |
8509 | case GSI_UACPROC: | |
8510 | -- Retrieves current unaligned access state; not much used. | |
8511 | case GSI_PROC_TYPE: | |
8512 | -- Retrieves implver information; surely not used. | |
8513 | case GSI_GET_HWRPB: | |
8514 | -- Grabs a copy of the HWRPB; surely not used. | |
8515 | */ | |
8516 | } | |
8517 | break; | |
8518 | #endif | |
8519 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
8520 | /* Alpha specific */ | |
8521 | case TARGET_NR_osf_setsysinfo: | |
8522 | ret = -TARGET_EOPNOTSUPP; | |
8523 | switch (arg1) { | |
8524 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d RH |
8525 | { |
8526 | uint64_t swcr, fpcr, orig_fpcr; | |
8527 | ||
6e06d515 | 8528 | if (get_user_u64 (swcr, arg2)) { |
ba0e276d | 8529 | goto efault; |
6e06d515 RH |
8530 | } |
8531 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d RH |
8532 | fpcr = orig_fpcr & FPCR_DYN_MASK; |
8533 | ||
8534 | /* Copied from linux ieee_swcr_to_fpcr. */ | |
8535 | fpcr |= (swcr & SWCR_STATUS_MASK) << 35; | |
8536 | fpcr |= (swcr & SWCR_MAP_DMZ) << 36; | |
8537 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV | |
8538 | | SWCR_TRAP_ENABLE_DZE | |
8539 | | SWCR_TRAP_ENABLE_OVF)) << 48; | |
8540 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF | |
8541 | | SWCR_TRAP_ENABLE_INE)) << 57; | |
8542 | fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0); | |
8543 | fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41; | |
8544 | ||
6e06d515 | 8545 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 8546 | ret = 0; |
6e06d515 RH |
8547 | } |
8548 | break; | |
8549 | ||
8550 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
8551 | { | |
8552 | uint64_t exc, fpcr, orig_fpcr; | |
8553 | int si_code; | |
8554 | ||
8555 | if (get_user_u64(exc, arg2)) { | |
8556 | goto efault; | |
8557 | } | |
ba0e276d | 8558 | |
6e06d515 | 8559 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); |
ba0e276d | 8560 | |
6e06d515 RH |
8561 | /* We only add to the exception status here. */ |
8562 | fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35); | |
8563 | ||
8564 | cpu_alpha_store_fpcr(cpu_env, fpcr); | |
8565 | ret = 0; | |
8566 | ||
8567 | /* Old exceptions are not signaled. */ | |
8568 | fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK); | |
8569 | ||
8570 | /* If any exceptions set by this call, | |
8571 | and are unmasked, send a signal. */ | |
8572 | si_code = 0; | |
8573 | if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) { | |
8574 | si_code = TARGET_FPE_FLTRES; | |
8575 | } | |
8576 | if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) { | |
8577 | si_code = TARGET_FPE_FLTUND; | |
8578 | } | |
8579 | if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) { | |
8580 | si_code = TARGET_FPE_FLTOVF; | |
8581 | } | |
8582 | if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) { | |
8583 | si_code = TARGET_FPE_FLTDIV; | |
8584 | } | |
8585 | if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) { | |
8586 | si_code = TARGET_FPE_FLTINV; | |
8587 | } | |
8588 | if (si_code != 0) { | |
8589 | target_siginfo_t info; | |
8590 | info.si_signo = SIGFPE; | |
8591 | info.si_errno = 0; | |
8592 | info.si_code = si_code; | |
8593 | info._sifields._sigfault._addr | |
8594 | = ((CPUArchState *)cpu_env)->pc; | |
8595 | queue_signal((CPUArchState *)cpu_env, info.si_signo, &info); | |
ba0e276d RH |
8596 | } |
8597 | } | |
8598 | break; | |
8599 | ||
8600 | /* case SSI_NVPAIRS: | |
8601 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
8602 | case SSI_IEEE_STATE_AT_SIGNAL: | |
8603 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
8604 | -- Not implemented in linux kernel | |
8605 | */ | |
8606 | } | |
8607 | break; | |
8608 | #endif | |
8609 | #ifdef TARGET_NR_osf_sigprocmask | |
8610 | /* Alpha specific. */ | |
8611 | case TARGET_NR_osf_sigprocmask: | |
8612 | { | |
8613 | abi_ulong mask; | |
bc088ba1 | 8614 | int how; |
ba0e276d RH |
8615 | sigset_t set, oldset; |
8616 | ||
8617 | switch(arg1) { | |
8618 | case TARGET_SIG_BLOCK: | |
8619 | how = SIG_BLOCK; | |
8620 | break; | |
8621 | case TARGET_SIG_UNBLOCK: | |
8622 | how = SIG_UNBLOCK; | |
8623 | break; | |
8624 | case TARGET_SIG_SETMASK: | |
8625 | how = SIG_SETMASK; | |
8626 | break; | |
8627 | default: | |
8628 | ret = -TARGET_EINVAL; | |
8629 | goto fail; | |
8630 | } | |
8631 | mask = arg2; | |
8632 | target_to_host_old_sigset(&set, &mask); | |
1c275925 | 8633 | do_sigprocmask(how, &set, &oldset); |
ba0e276d RH |
8634 | host_to_target_old_sigset(&mask, &oldset); |
8635 | ret = mask; | |
8636 | } | |
8637 | break; | |
8638 | #endif | |
64b4d28c | 8639 | |
a315a145 | 8640 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 8641 | case TARGET_NR_getgid32: |
b03c60f3 FB |
8642 | ret = get_errno(getgid()); |
8643 | break; | |
a315a145 FB |
8644 | #endif |
8645 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 8646 | case TARGET_NR_geteuid32: |
b03c60f3 FB |
8647 | ret = get_errno(geteuid()); |
8648 | break; | |
a315a145 FB |
8649 | #endif |
8650 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 8651 | case TARGET_NR_getegid32: |
b03c60f3 FB |
8652 | ret = get_errno(getegid()); |
8653 | break; | |
a315a145 FB |
8654 | #endif |
8655 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 8656 | case TARGET_NR_setreuid32: |
b03c60f3 FB |
8657 | ret = get_errno(setreuid(arg1, arg2)); |
8658 | break; | |
a315a145 FB |
8659 | #endif |
8660 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 8661 | case TARGET_NR_setregid32: |
b03c60f3 FB |
8662 | ret = get_errno(setregid(arg1, arg2)); |
8663 | break; | |
a315a145 FB |
8664 | #endif |
8665 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 8666 | case TARGET_NR_getgroups32: |
99c475ab FB |
8667 | { |
8668 | int gidsetsize = arg1; | |
53a5960a | 8669 | uint32_t *target_grouplist; |
99c475ab FB |
8670 | gid_t *grouplist; |
8671 | int i; | |
8672 | ||
8673 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
8674 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 AZ |
8675 | if (gidsetsize == 0) |
8676 | break; | |
99c475ab | 8677 | if (!is_error(ret)) { |
579a97f7 FB |
8678 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
8679 | if (!target_grouplist) { | |
8680 | ret = -TARGET_EFAULT; | |
8681 | goto fail; | |
8682 | } | |
a2155fcc | 8683 | for(i = 0;i < ret; i++) |
53a5960a PB |
8684 | target_grouplist[i] = tswap32(grouplist[i]); |
8685 | unlock_user(target_grouplist, arg2, gidsetsize * 4); | |
99c475ab FB |
8686 | } |
8687 | } | |
8688 | break; | |
a315a145 FB |
8689 | #endif |
8690 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 8691 | case TARGET_NR_setgroups32: |
99c475ab FB |
8692 | { |
8693 | int gidsetsize = arg1; | |
53a5960a | 8694 | uint32_t *target_grouplist; |
99c475ab FB |
8695 | gid_t *grouplist; |
8696 | int i; | |
3b46e624 | 8697 | |
99c475ab | 8698 | grouplist = alloca(gidsetsize * sizeof(gid_t)); |
579a97f7 FB |
8699 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
8700 | if (!target_grouplist) { | |
8701 | ret = -TARGET_EFAULT; | |
8702 | goto fail; | |
8703 | } | |
99c475ab | 8704 | for(i = 0;i < gidsetsize; i++) |
53a5960a PB |
8705 | grouplist[i] = tswap32(target_grouplist[i]); |
8706 | unlock_user(target_grouplist, arg2, 0); | |
99c475ab FB |
8707 | ret = get_errno(setgroups(gidsetsize, grouplist)); |
8708 | } | |
8709 | break; | |
a315a145 FB |
8710 | #endif |
8711 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 8712 | case TARGET_NR_fchown32: |
b03c60f3 FB |
8713 | ret = get_errno(fchown(arg1, arg2, arg3)); |
8714 | break; | |
a315a145 FB |
8715 | #endif |
8716 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 8717 | case TARGET_NR_setresuid32: |
b03c60f3 FB |
8718 | ret = get_errno(setresuid(arg1, arg2, arg3)); |
8719 | break; | |
a315a145 FB |
8720 | #endif |
8721 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 8722 | case TARGET_NR_getresuid32: |
b03c60f3 | 8723 | { |
53a5960a | 8724 | uid_t ruid, euid, suid; |
b03c60f3 FB |
8725 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
8726 | if (!is_error(ret)) { | |
2f619698 FB |
8727 | if (put_user_u32(ruid, arg1) |
8728 | || put_user_u32(euid, arg2) | |
8729 | || put_user_u32(suid, arg3)) | |
8730 | goto efault; | |
b03c60f3 FB |
8731 | } |
8732 | } | |
8733 | break; | |
a315a145 FB |
8734 | #endif |
8735 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 8736 | case TARGET_NR_setresgid32: |
b03c60f3 FB |
8737 | ret = get_errno(setresgid(arg1, arg2, arg3)); |
8738 | break; | |
a315a145 FB |
8739 | #endif |
8740 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 8741 | case TARGET_NR_getresgid32: |
b03c60f3 | 8742 | { |
53a5960a | 8743 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
8744 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
8745 | if (!is_error(ret)) { | |
2f619698 FB |
8746 | if (put_user_u32(rgid, arg1) |
8747 | || put_user_u32(egid, arg2) | |
8748 | || put_user_u32(sgid, arg3)) | |
8749 | goto efault; | |
b03c60f3 FB |
8750 | } |
8751 | } | |
8752 | break; | |
a315a145 FB |
8753 | #endif |
8754 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 8755 | case TARGET_NR_chown32: |
579a97f7 FB |
8756 | if (!(p = lock_user_string(arg1))) |
8757 | goto efault; | |
53a5960a PB |
8758 | ret = get_errno(chown(p, arg2, arg3)); |
8759 | unlock_user(p, arg1, 0); | |
b03c60f3 | 8760 | break; |
a315a145 FB |
8761 | #endif |
8762 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 8763 | case TARGET_NR_setuid32: |
b03c60f3 FB |
8764 | ret = get_errno(setuid(arg1)); |
8765 | break; | |
a315a145 FB |
8766 | #endif |
8767 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 8768 | case TARGET_NR_setgid32: |
b03c60f3 FB |
8769 | ret = get_errno(setgid(arg1)); |
8770 | break; | |
a315a145 FB |
8771 | #endif |
8772 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 8773 | case TARGET_NR_setfsuid32: |
b03c60f3 FB |
8774 | ret = get_errno(setfsuid(arg1)); |
8775 | break; | |
a315a145 FB |
8776 | #endif |
8777 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 8778 | case TARGET_NR_setfsgid32: |
b03c60f3 FB |
8779 | ret = get_errno(setfsgid(arg1)); |
8780 | break; | |
a315a145 | 8781 | #endif |
67867308 | 8782 | |
31e31b8a | 8783 | case TARGET_NR_pivot_root: |
b03c60f3 | 8784 | goto unimplemented; |
ffa65c3b | 8785 | #ifdef TARGET_NR_mincore |
31e31b8a | 8786 | case TARGET_NR_mincore: |
04bb9ace AJ |
8787 | { |
8788 | void *a; | |
8789 | ret = -TARGET_EFAULT; | |
8790 | if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0))) | |
8791 | goto efault; | |
8792 | if (!(p = lock_user_string(arg3))) | |
8793 | goto mincore_fail; | |
8794 | ret = get_errno(mincore(a, arg2, p)); | |
8795 | unlock_user(p, arg3, ret); | |
8796 | mincore_fail: | |
8797 | unlock_user(a, arg1, 0); | |
8798 | } | |
8799 | break; | |
ffa65c3b | 8800 | #endif |
408321b6 AJ |
8801 | #ifdef TARGET_NR_arm_fadvise64_64 |
8802 | case TARGET_NR_arm_fadvise64_64: | |
8803 | { | |
8804 | /* | |
8805 | * arm_fadvise64_64 looks like fadvise64_64 but | |
8806 | * with different argument order | |
8807 | */ | |
8808 | abi_long temp; | |
8809 | temp = arg3; | |
8810 | arg3 = arg4; | |
8811 | arg4 = temp; | |
8812 | } | |
8813 | #endif | |
e72d2cc7 | 8814 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
8815 | #ifdef TARGET_NR_fadvise64_64 |
8816 | case TARGET_NR_fadvise64_64: | |
8817 | #endif | |
e72d2cc7 UH |
8818 | #ifdef TARGET_NR_fadvise64 |
8819 | case TARGET_NR_fadvise64: | |
8820 | #endif | |
8821 | #ifdef TARGET_S390X | |
8822 | switch (arg4) { | |
8823 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
8824 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
8825 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
8826 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
8827 | default: break; | |
8828 | } | |
8829 | #endif | |
8830 | ret = -posix_fadvise(arg1, arg2, arg3, arg4); | |
408321b6 AJ |
8831 | break; |
8832 | #endif | |
ffa65c3b | 8833 | #ifdef TARGET_NR_madvise |
31e31b8a | 8834 | case TARGET_NR_madvise: |
24836689 | 8835 | /* A straight passthrough may not be safe because qemu sometimes |
d2d6b857 | 8836 | turns private file-backed mappings into anonymous mappings. |
24836689 PB |
8837 | This will break MADV_DONTNEED. |
8838 | This is a hint, so ignoring and returning success is ok. */ | |
8839 | ret = get_errno(0); | |
8840 | break; | |
ffa65c3b | 8841 | #endif |
992f48a0 | 8842 | #if TARGET_ABI_BITS == 32 |
31e31b8a | 8843 | case TARGET_NR_fcntl64: |
77e4672d | 8844 | { |
b1e341eb | 8845 | int cmd; |
77e4672d | 8846 | struct flock64 fl; |
53a5960a | 8847 | struct target_flock64 *target_fl; |
ce4defa0 | 8848 | #ifdef TARGET_ARM |
53a5960a | 8849 | struct target_eabi_flock64 *target_efl; |
ce4defa0 | 8850 | #endif |
77e4672d | 8851 | |
5f106811 | 8852 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 PM |
8853 | if (cmd == -TARGET_EINVAL) { |
8854 | ret = cmd; | |
8855 | break; | |
8856 | } | |
b1e341eb | 8857 | |
60cd49d5 | 8858 | switch(arg2) { |
b1e341eb | 8859 | case TARGET_F_GETLK64: |
5813427b TS |
8860 | #ifdef TARGET_ARM |
8861 | if (((CPUARMState *)cpu_env)->eabi) { | |
9ee1fa2c FB |
8862 | if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
8863 | goto efault; | |
5813427b TS |
8864 | fl.l_type = tswap16(target_efl->l_type); |
8865 | fl.l_whence = tswap16(target_efl->l_whence); | |
8866 | fl.l_start = tswap64(target_efl->l_start); | |
8867 | fl.l_len = tswap64(target_efl->l_len); | |
7e22e546 | 8868 | fl.l_pid = tswap32(target_efl->l_pid); |
5813427b TS |
8869 | unlock_user_struct(target_efl, arg3, 0); |
8870 | } else | |
8871 | #endif | |
8872 | { | |
9ee1fa2c FB |
8873 | if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
8874 | goto efault; | |
5813427b TS |
8875 | fl.l_type = tswap16(target_fl->l_type); |
8876 | fl.l_whence = tswap16(target_fl->l_whence); | |
8877 | fl.l_start = tswap64(target_fl->l_start); | |
8878 | fl.l_len = tswap64(target_fl->l_len); | |
7e22e546 | 8879 | fl.l_pid = tswap32(target_fl->l_pid); |
5813427b TS |
8880 | unlock_user_struct(target_fl, arg3, 0); |
8881 | } | |
b1e341eb | 8882 | ret = get_errno(fcntl(arg1, cmd, &fl)); |
77e4672d | 8883 | if (ret == 0) { |
ce4defa0 PB |
8884 | #ifdef TARGET_ARM |
8885 | if (((CPUARMState *)cpu_env)->eabi) { | |
9ee1fa2c FB |
8886 | if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0)) |
8887 | goto efault; | |
ce4defa0 PB |
8888 | target_efl->l_type = tswap16(fl.l_type); |
8889 | target_efl->l_whence = tswap16(fl.l_whence); | |
8890 | target_efl->l_start = tswap64(fl.l_start); | |
8891 | target_efl->l_len = tswap64(fl.l_len); | |
7e22e546 | 8892 | target_efl->l_pid = tswap32(fl.l_pid); |
53a5960a | 8893 | unlock_user_struct(target_efl, arg3, 1); |
ce4defa0 PB |
8894 | } else |
8895 | #endif | |
8896 | { | |
9ee1fa2c FB |
8897 | if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) |
8898 | goto efault; | |
ce4defa0 PB |
8899 | target_fl->l_type = tswap16(fl.l_type); |
8900 | target_fl->l_whence = tswap16(fl.l_whence); | |
8901 | target_fl->l_start = tswap64(fl.l_start); | |
8902 | target_fl->l_len = tswap64(fl.l_len); | |
7e22e546 | 8903 | target_fl->l_pid = tswap32(fl.l_pid); |
53a5960a | 8904 | unlock_user_struct(target_fl, arg3, 1); |
ce4defa0 | 8905 | } |
77e4672d FB |
8906 | } |
8907 | break; | |
8908 | ||
b1e341eb TS |
8909 | case TARGET_F_SETLK64: |
8910 | case TARGET_F_SETLKW64: | |
ce4defa0 PB |
8911 | #ifdef TARGET_ARM |
8912 | if (((CPUARMState *)cpu_env)->eabi) { | |
9ee1fa2c FB |
8913 | if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
8914 | goto efault; | |
ce4defa0 PB |
8915 | fl.l_type = tswap16(target_efl->l_type); |
8916 | fl.l_whence = tswap16(target_efl->l_whence); | |
8917 | fl.l_start = tswap64(target_efl->l_start); | |
8918 | fl.l_len = tswap64(target_efl->l_len); | |
7e22e546 | 8919 | fl.l_pid = tswap32(target_efl->l_pid); |
53a5960a | 8920 | unlock_user_struct(target_efl, arg3, 0); |
ce4defa0 PB |
8921 | } else |
8922 | #endif | |
8923 | { | |
9ee1fa2c FB |
8924 | if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
8925 | goto efault; | |
ce4defa0 PB |
8926 | fl.l_type = tswap16(target_fl->l_type); |
8927 | fl.l_whence = tswap16(target_fl->l_whence); | |
8928 | fl.l_start = tswap64(target_fl->l_start); | |
8929 | fl.l_len = tswap64(target_fl->l_len); | |
7e22e546 | 8930 | fl.l_pid = tswap32(target_fl->l_pid); |
53a5960a | 8931 | unlock_user_struct(target_fl, arg3, 0); |
ce4defa0 | 8932 | } |
b1e341eb | 8933 | ret = get_errno(fcntl(arg1, cmd, &fl)); |
77e4672d | 8934 | break; |
60cd49d5 | 8935 | default: |
5f106811 | 8936 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
8937 | break; |
8938 | } | |
77e4672d FB |
8939 | break; |
8940 | } | |
60cd49d5 | 8941 | #endif |
7d600c80 TS |
8942 | #ifdef TARGET_NR_cacheflush |
8943 | case TARGET_NR_cacheflush: | |
8944 | /* self-modifying code is handled automatically, so nothing needed */ | |
8945 | ret = 0; | |
8946 | break; | |
8947 | #endif | |
ebc05488 | 8948 | #ifdef TARGET_NR_security |
31e31b8a FB |
8949 | case TARGET_NR_security: |
8950 | goto unimplemented; | |
c573ff67 FB |
8951 | #endif |
8952 | #ifdef TARGET_NR_getpagesize | |
8953 | case TARGET_NR_getpagesize: | |
8954 | ret = TARGET_PAGE_SIZE; | |
8955 | break; | |
ebc05488 | 8956 | #endif |
31e31b8a FB |
8957 | case TARGET_NR_gettid: |
8958 | ret = get_errno(gettid()); | |
8959 | break; | |
e5febef5 | 8960 | #ifdef TARGET_NR_readahead |
31e31b8a | 8961 | case TARGET_NR_readahead: |
2054ac9b | 8962 | #if TARGET_ABI_BITS == 32 |
48e515d4 | 8963 | if (regpairs_aligned(cpu_env)) { |
2054ac9b AJ |
8964 | arg2 = arg3; |
8965 | arg3 = arg4; | |
8966 | arg4 = arg5; | |
8967 | } | |
2054ac9b AJ |
8968 | ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4)); |
8969 | #else | |
8970 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
8971 | #endif | |
8972 | break; | |
e5febef5 | 8973 | #endif |
a790ae38 | 8974 | #ifdef CONFIG_ATTR |
ebc05488 | 8975 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
8976 | case TARGET_NR_listxattr: |
8977 | case TARGET_NR_llistxattr: | |
fb5590f7 PM |
8978 | { |
8979 | void *p, *b = 0; | |
8980 | if (arg2) { | |
8981 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
8982 | if (!b) { | |
8983 | ret = -TARGET_EFAULT; | |
8984 | break; | |
8985 | } | |
8986 | } | |
8987 | p = lock_user_string(arg1); | |
8988 | if (p) { | |
8989 | if (num == TARGET_NR_listxattr) { | |
8990 | ret = get_errno(listxattr(p, b, arg3)); | |
8991 | } else { | |
8992 | ret = get_errno(llistxattr(p, b, arg3)); | |
8993 | } | |
8994 | } else { | |
8995 | ret = -TARGET_EFAULT; | |
8996 | } | |
8997 | unlock_user(p, arg1, 0); | |
8998 | unlock_user(b, arg2, arg3); | |
8999 | break; | |
9000 | } | |
31e31b8a | 9001 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
9002 | { |
9003 | void *b = 0; | |
9004 | if (arg2) { | |
9005 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
9006 | if (!b) { | |
9007 | ret = -TARGET_EFAULT; | |
9008 | break; | |
9009 | } | |
9010 | } | |
9011 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
9012 | unlock_user(b, arg2, arg3); | |
6f932f91 | 9013 | break; |
fb5590f7 | 9014 | } |
a790ae38 | 9015 | case TARGET_NR_setxattr: |
30297b55 | 9016 | case TARGET_NR_lsetxattr: |
a790ae38 | 9017 | { |
e3c33ec6 PM |
9018 | void *p, *n, *v = 0; |
9019 | if (arg3) { | |
9020 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
9021 | if (!v) { | |
9022 | ret = -TARGET_EFAULT; | |
9023 | break; | |
9024 | } | |
9025 | } | |
a790ae38 ACH |
9026 | p = lock_user_string(arg1); |
9027 | n = lock_user_string(arg2); | |
e3c33ec6 | 9028 | if (p && n) { |
30297b55 PM |
9029 | if (num == TARGET_NR_setxattr) { |
9030 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
9031 | } else { | |
9032 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
9033 | } | |
a790ae38 ACH |
9034 | } else { |
9035 | ret = -TARGET_EFAULT; | |
9036 | } | |
9037 | unlock_user(p, arg1, 0); | |
9038 | unlock_user(n, arg2, 0); | |
9039 | unlock_user(v, arg3, 0); | |
9040 | } | |
9041 | break; | |
30297b55 PM |
9042 | case TARGET_NR_fsetxattr: |
9043 | { | |
9044 | void *n, *v = 0; | |
9045 | if (arg3) { | |
9046 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
9047 | if (!v) { | |
9048 | ret = -TARGET_EFAULT; | |
9049 | break; | |
9050 | } | |
9051 | } | |
9052 | n = lock_user_string(arg2); | |
9053 | if (n) { | |
9054 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
9055 | } else { | |
9056 | ret = -TARGET_EFAULT; | |
9057 | } | |
9058 | unlock_user(n, arg2, 0); | |
9059 | unlock_user(v, arg3, 0); | |
9060 | } | |
9061 | break; | |
a790ae38 | 9062 | case TARGET_NR_getxattr: |
30297b55 | 9063 | case TARGET_NR_lgetxattr: |
a790ae38 | 9064 | { |
e3c33ec6 PM |
9065 | void *p, *n, *v = 0; |
9066 | if (arg3) { | |
9067 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
9068 | if (!v) { | |
9069 | ret = -TARGET_EFAULT; | |
9070 | break; | |
9071 | } | |
9072 | } | |
a790ae38 ACH |
9073 | p = lock_user_string(arg1); |
9074 | n = lock_user_string(arg2); | |
e3c33ec6 | 9075 | if (p && n) { |
30297b55 PM |
9076 | if (num == TARGET_NR_getxattr) { |
9077 | ret = get_errno(getxattr(p, n, v, arg4)); | |
9078 | } else { | |
9079 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
9080 | } | |
a790ae38 ACH |
9081 | } else { |
9082 | ret = -TARGET_EFAULT; | |
9083 | } | |
9084 | unlock_user(p, arg1, 0); | |
9085 | unlock_user(n, arg2, 0); | |
9086 | unlock_user(v, arg3, arg4); | |
9087 | } | |
9088 | break; | |
30297b55 PM |
9089 | case TARGET_NR_fgetxattr: |
9090 | { | |
9091 | void *n, *v = 0; | |
9092 | if (arg3) { | |
9093 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
9094 | if (!v) { | |
9095 | ret = -TARGET_EFAULT; | |
9096 | break; | |
9097 | } | |
9098 | } | |
9099 | n = lock_user_string(arg2); | |
9100 | if (n) { | |
9101 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
9102 | } else { | |
9103 | ret = -TARGET_EFAULT; | |
9104 | } | |
9105 | unlock_user(n, arg2, 0); | |
9106 | unlock_user(v, arg3, arg4); | |
9107 | } | |
9108 | break; | |
a790ae38 | 9109 | case TARGET_NR_removexattr: |
30297b55 | 9110 | case TARGET_NR_lremovexattr: |
a790ae38 ACH |
9111 | { |
9112 | void *p, *n; | |
9113 | p = lock_user_string(arg1); | |
9114 | n = lock_user_string(arg2); | |
9115 | if (p && n) { | |
30297b55 PM |
9116 | if (num == TARGET_NR_removexattr) { |
9117 | ret = get_errno(removexattr(p, n)); | |
9118 | } else { | |
9119 | ret = get_errno(lremovexattr(p, n)); | |
9120 | } | |
a790ae38 ACH |
9121 | } else { |
9122 | ret = -TARGET_EFAULT; | |
9123 | } | |
9124 | unlock_user(p, arg1, 0); | |
9125 | unlock_user(n, arg2, 0); | |
9126 | } | |
9127 | break; | |
30297b55 PM |
9128 | case TARGET_NR_fremovexattr: |
9129 | { | |
9130 | void *n; | |
9131 | n = lock_user_string(arg2); | |
9132 | if (n) { | |
9133 | ret = get_errno(fremovexattr(arg1, n)); | |
9134 | } else { | |
9135 | ret = -TARGET_EFAULT; | |
9136 | } | |
9137 | unlock_user(n, arg2, 0); | |
9138 | } | |
9139 | break; | |
ebc05488 | 9140 | #endif |
a790ae38 | 9141 | #endif /* CONFIG_ATTR */ |
ebc05488 | 9142 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 9143 | case TARGET_NR_set_thread_area: |
8d18e893 | 9144 | #if defined(TARGET_MIPS) |
d279279e | 9145 | ((CPUMIPSState *) cpu_env)->active_tc.CP0_UserLocal = arg1; |
6f5b89a0 TS |
9146 | ret = 0; |
9147 | break; | |
ef96779b EI |
9148 | #elif defined(TARGET_CRIS) |
9149 | if (arg1 & 0xff) | |
9150 | ret = -TARGET_EINVAL; | |
9151 | else { | |
9152 | ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; | |
9153 | ret = 0; | |
9154 | } | |
9155 | break; | |
8d18e893 FB |
9156 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
9157 | ret = do_set_thread_area(cpu_env, arg1); | |
9158 | break; | |
1ccd9374 PM |
9159 | #elif defined(TARGET_M68K) |
9160 | { | |
0429a971 | 9161 | TaskState *ts = cpu->opaque; |
1ccd9374 | 9162 | ts->tp_value = arg1; |
95c1eb19 | 9163 | ret = 0; |
1ccd9374 PM |
9164 | break; |
9165 | } | |
6f5b89a0 TS |
9166 | #else |
9167 | goto unimplemented_nowarn; | |
9168 | #endif | |
9169 | #endif | |
9170 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 9171 | case TARGET_NR_get_thread_area: |
8d18e893 FB |
9172 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
9173 | ret = do_get_thread_area(cpu_env, arg1); | |
d312bbe1 | 9174 | break; |
1ccd9374 PM |
9175 | #elif defined(TARGET_M68K) |
9176 | { | |
0429a971 | 9177 | TaskState *ts = cpu->opaque; |
1ccd9374 PM |
9178 | ret = ts->tp_value; |
9179 | break; | |
9180 | } | |
8d18e893 | 9181 | #else |
5cd4393b | 9182 | goto unimplemented_nowarn; |
48dc41eb | 9183 | #endif |
8d18e893 | 9184 | #endif |
48dc41eb FB |
9185 | #ifdef TARGET_NR_getdomainname |
9186 | case TARGET_NR_getdomainname: | |
9187 | goto unimplemented_nowarn; | |
ebc05488 | 9188 | #endif |
6f5b89a0 | 9189 | |
b5906f95 TS |
9190 | #ifdef TARGET_NR_clock_gettime |
9191 | case TARGET_NR_clock_gettime: | |
9192 | { | |
9193 | struct timespec ts; | |
9194 | ret = get_errno(clock_gettime(arg1, &ts)); | |
9195 | if (!is_error(ret)) { | |
9196 | host_to_target_timespec(arg2, &ts); | |
9197 | } | |
9198 | break; | |
9199 | } | |
9200 | #endif | |
9201 | #ifdef TARGET_NR_clock_getres | |
9202 | case TARGET_NR_clock_getres: | |
9203 | { | |
9204 | struct timespec ts; | |
9205 | ret = get_errno(clock_getres(arg1, &ts)); | |
9206 | if (!is_error(ret)) { | |
9207 | host_to_target_timespec(arg2, &ts); | |
9208 | } | |
9209 | break; | |
9210 | } | |
9211 | #endif | |
63d7651b PB |
9212 | #ifdef TARGET_NR_clock_nanosleep |
9213 | case TARGET_NR_clock_nanosleep: | |
9214 | { | |
9215 | struct timespec ts; | |
9216 | target_to_host_timespec(&ts, arg3); | |
9217 | ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL)); | |
9218 | if (arg4) | |
9219 | host_to_target_timespec(arg4, &ts); | |
8fbe8fdf TM |
9220 | |
9221 | #if defined(TARGET_PPC) | |
9222 | /* clock_nanosleep is odd in that it returns positive errno values. | |
9223 | * On PPC, CR0 bit 3 should be set in such a situation. */ | |
9224 | if (ret) { | |
9225 | ((CPUPPCState *)cpu_env)->crf[0] |= 1; | |
9226 | } | |
9227 | #endif | |
63d7651b PB |
9228 | break; |
9229 | } | |
9230 | #endif | |
b5906f95 | 9231 | |
6f5b89a0 TS |
9232 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
9233 | case TARGET_NR_set_tid_address: | |
579a97f7 FB |
9234 | ret = get_errno(set_tid_address((int *)g2h(arg1))); |
9235 | break; | |
6f5b89a0 TS |
9236 | #endif |
9237 | ||
3ae43202 | 9238 | #if defined(TARGET_NR_tkill) && defined(__NR_tkill) |
4cae1d16 | 9239 | case TARGET_NR_tkill: |
4cb05961 | 9240 | ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 TS |
9241 | break; |
9242 | #endif | |
9243 | ||
3ae43202 | 9244 | #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) |
71455574 | 9245 | case TARGET_NR_tgkill: |
4cb05961 PB |
9246 | ret = get_errno(sys_tgkill((int)arg1, (int)arg2, |
9247 | target_to_host_signal(arg3))); | |
71455574 TS |
9248 | break; |
9249 | #endif | |
9250 | ||
4f2b1fe8 TS |
9251 | #ifdef TARGET_NR_set_robust_list |
9252 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
9253 | case TARGET_NR_get_robust_list: |
9254 | /* The ABI for supporting robust futexes has userspace pass | |
9255 | * the kernel a pointer to a linked list which is updated by | |
9256 | * userspace after the syscall; the list is walked by the kernel | |
9257 | * when the thread exits. Since the linked list in QEMU guest | |
9258 | * memory isn't a valid linked list for the host and we have | |
9259 | * no way to reliably intercept the thread-death event, we can't | |
9260 | * support these. Silently return ENOSYS so that guest userspace | |
9261 | * falls back to a non-robust futex implementation (which should | |
9262 | * be OK except in the corner case of the guest crashing while | |
9263 | * holding a mutex that is shared with another process via | |
9264 | * shared memory). | |
9265 | */ | |
9266 | goto unimplemented_nowarn; | |
4f2b1fe8 TS |
9267 | #endif |
9268 | ||
1acae9f2 | 9269 | #if defined(TARGET_NR_utimensat) |
9007f0ef TS |
9270 | case TARGET_NR_utimensat: |
9271 | { | |
ebc996f3 RV |
9272 | struct timespec *tsp, ts[2]; |
9273 | if (!arg3) { | |
9274 | tsp = NULL; | |
9275 | } else { | |
9276 | target_to_host_timespec(ts, arg3); | |
9277 | target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); | |
9278 | tsp = ts; | |
9279 | } | |
9007f0ef | 9280 | if (!arg2) |
ebc996f3 | 9281 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 9282 | else { |
579a97f7 | 9283 | if (!(p = lock_user_string(arg2))) { |
0da46a6e | 9284 | ret = -TARGET_EFAULT; |
579a97f7 FB |
9285 | goto fail; |
9286 | } | |
ebc996f3 | 9287 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 9288 | unlock_user(p, arg2, 0); |
9007f0ef TS |
9289 | } |
9290 | } | |
9291 | break; | |
9292 | #endif | |
bd0c5661 PB |
9293 | case TARGET_NR_futex: |
9294 | ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); | |
9295 | break; | |
dbfe4c36 | 9296 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
39b59763 AJ |
9297 | case TARGET_NR_inotify_init: |
9298 | ret = get_errno(sys_inotify_init()); | |
9299 | break; | |
9300 | #endif | |
a1606b0b | 9301 | #ifdef CONFIG_INOTIFY1 |
c05c7a73 RV |
9302 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) |
9303 | case TARGET_NR_inotify_init1: | |
9304 | ret = get_errno(sys_inotify_init1(arg1)); | |
9305 | break; | |
9306 | #endif | |
a1606b0b | 9307 | #endif |
dbfe4c36 | 9308 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) |
39b59763 AJ |
9309 | case TARGET_NR_inotify_add_watch: |
9310 | p = lock_user_string(arg2); | |
9311 | ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); | |
9312 | unlock_user(p, arg2, 0); | |
9313 | break; | |
9314 | #endif | |
dbfe4c36 | 9315 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) |
39b59763 AJ |
9316 | case TARGET_NR_inotify_rm_watch: |
9317 | ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); | |
9318 | break; | |
9319 | #endif | |
9007f0ef | 9320 | |
8ec9cf89 | 9321 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
9322 | case TARGET_NR_mq_open: |
9323 | { | |
b6ce1f6b | 9324 | struct mq_attr posix_mq_attr, *attrp; |
24e1003a AJ |
9325 | |
9326 | p = lock_user_string(arg1 - 1); | |
b6ce1f6b | 9327 | if (arg4 != 0) { |
24e1003a | 9328 | copy_from_user_mq_attr (&posix_mq_attr, arg4); |
b6ce1f6b TM |
9329 | attrp = &posix_mq_attr; |
9330 | } else { | |
9331 | attrp = 0; | |
9332 | } | |
9333 | ret = get_errno(mq_open(p, arg2, arg3, attrp)); | |
24e1003a AJ |
9334 | unlock_user (p, arg1, 0); |
9335 | } | |
9336 | break; | |
9337 | ||
9338 | case TARGET_NR_mq_unlink: | |
9339 | p = lock_user_string(arg1 - 1); | |
9340 | ret = get_errno(mq_unlink(p)); | |
9341 | unlock_user (p, arg1, 0); | |
9342 | break; | |
9343 | ||
9344 | case TARGET_NR_mq_timedsend: | |
9345 | { | |
9346 | struct timespec ts; | |
9347 | ||
9348 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
9349 | if (arg5 != 0) { | |
9350 | target_to_host_timespec(&ts, arg5); | |
9351 | ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts)); | |
9352 | host_to_target_timespec(arg5, &ts); | |
9353 | } | |
9354 | else | |
9355 | ret = get_errno(mq_send(arg1, p, arg3, arg4)); | |
9356 | unlock_user (p, arg2, arg3); | |
9357 | } | |
9358 | break; | |
9359 | ||
9360 | case TARGET_NR_mq_timedreceive: | |
9361 | { | |
9362 | struct timespec ts; | |
9363 | unsigned int prio; | |
9364 | ||
9365 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
9366 | if (arg5 != 0) { | |
9367 | target_to_host_timespec(&ts, arg5); | |
9368 | ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts)); | |
9369 | host_to_target_timespec(arg5, &ts); | |
9370 | } | |
9371 | else | |
9372 | ret = get_errno(mq_receive(arg1, p, arg3, &prio)); | |
9373 | unlock_user (p, arg2, arg3); | |
9374 | if (arg4 != 0) | |
9375 | put_user_u32(prio, arg4); | |
9376 | } | |
9377 | break; | |
9378 | ||
9379 | /* Not implemented for now... */ | |
9380 | /* case TARGET_NR_mq_notify: */ | |
9381 | /* break; */ | |
9382 | ||
9383 | case TARGET_NR_mq_getsetattr: | |
9384 | { | |
9385 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
9386 | ret = 0; | |
9387 | if (arg3 != 0) { | |
9388 | ret = mq_getattr(arg1, &posix_mq_attr_out); | |
9389 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
9390 | } | |
9391 | if (arg2 != 0) { | |
9392 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
9393 | ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out); | |
9394 | } | |
9395 | ||
9396 | } | |
9397 | break; | |
9398 | #endif | |
9399 | ||
3ce34dfb VS |
9400 | #ifdef CONFIG_SPLICE |
9401 | #ifdef TARGET_NR_tee | |
9402 | case TARGET_NR_tee: | |
9403 | { | |
9404 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
9405 | } | |
9406 | break; | |
9407 | #endif | |
9408 | #ifdef TARGET_NR_splice | |
9409 | case TARGET_NR_splice: | |
9410 | { | |
9411 | loff_t loff_in, loff_out; | |
9412 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
17644b36 AS |
9413 | if (arg2) { |
9414 | if (get_user_u64(loff_in, arg2)) { | |
9415 | goto efault; | |
9416 | } | |
3ce34dfb VS |
9417 | ploff_in = &loff_in; |
9418 | } | |
17644b36 AS |
9419 | if (arg4) { |
9420 | if (get_user_u64(loff_out, arg4)) { | |
9421 | goto efault; | |
9422 | } | |
3ce34dfb VS |
9423 | ploff_out = &loff_out; |
9424 | } | |
9425 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
17644b36 AS |
9426 | if (arg2) { |
9427 | if (put_user_u64(loff_in, arg2)) { | |
9428 | goto efault; | |
9429 | } | |
9430 | } | |
9431 | if (arg4) { | |
9432 | if (put_user_u64(loff_out, arg4)) { | |
9433 | goto efault; | |
9434 | } | |
9435 | } | |
3ce34dfb VS |
9436 | } |
9437 | break; | |
9438 | #endif | |
9439 | #ifdef TARGET_NR_vmsplice | |
9440 | case TARGET_NR_vmsplice: | |
9441 | { | |
f287b2c2 RH |
9442 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
9443 | if (vec != NULL) { | |
9444 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
9445 | unlock_iovec(vec, arg2, arg3, 0); | |
9446 | } else { | |
9447 | ret = -host_to_target_errno(errno); | |
9448 | } | |
3ce34dfb VS |
9449 | } |
9450 | break; | |
9451 | #endif | |
9452 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
9453 | #ifdef CONFIG_EVENTFD |
9454 | #if defined(TARGET_NR_eventfd) | |
9455 | case TARGET_NR_eventfd: | |
9456 | ret = get_errno(eventfd(arg1, 0)); | |
9457 | break; | |
9458 | #endif | |
9459 | #if defined(TARGET_NR_eventfd2) | |
9460 | case TARGET_NR_eventfd2: | |
5947c697 PJ |
9461 | { |
9462 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)); | |
9463 | if (arg2 & TARGET_O_NONBLOCK) { | |
9464 | host_flags |= O_NONBLOCK; | |
9465 | } | |
9466 | if (arg2 & TARGET_O_CLOEXEC) { | |
9467 | host_flags |= O_CLOEXEC; | |
9468 | } | |
9469 | ret = get_errno(eventfd(arg1, host_flags)); | |
c2882b96 | 9470 | break; |
5947c697 | 9471 | } |
c2882b96 RV |
9472 | #endif |
9473 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
9474 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
9475 | case TARGET_NR_fallocate: | |
20249ae1 AG |
9476 | #if TARGET_ABI_BITS == 32 |
9477 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), | |
9478 | target_offset64(arg5, arg6))); | |
9479 | #else | |
d0927938 | 9480 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 9481 | #endif |
d0927938 | 9482 | break; |
c727f47d PM |
9483 | #endif |
9484 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
9485 | #if defined(TARGET_NR_sync_file_range) | |
9486 | case TARGET_NR_sync_file_range: | |
9487 | #if TARGET_ABI_BITS == 32 | |
bfcedc57 RV |
9488 | #if defined(TARGET_MIPS) |
9489 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
9490 | target_offset64(arg5, arg6), arg7)); | |
9491 | #else | |
c727f47d PM |
9492 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
9493 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 9494 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
9495 | #else |
9496 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
9497 | #endif | |
9498 | break; | |
9499 | #endif | |
9500 | #if defined(TARGET_NR_sync_file_range2) | |
9501 | case TARGET_NR_sync_file_range2: | |
9502 | /* This is like sync_file_range but the arguments are reordered */ | |
9503 | #if TARGET_ABI_BITS == 32 | |
9504 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
9505 | target_offset64(arg5, arg6), arg2)); | |
9506 | #else | |
9507 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
9508 | #endif | |
9509 | break; | |
9510 | #endif | |
3b6edd16 PM |
9511 | #endif |
9512 | #if defined(CONFIG_EPOLL) | |
9513 | #if defined(TARGET_NR_epoll_create) | |
9514 | case TARGET_NR_epoll_create: | |
9515 | ret = get_errno(epoll_create(arg1)); | |
9516 | break; | |
9517 | #endif | |
9518 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
9519 | case TARGET_NR_epoll_create1: | |
9520 | ret = get_errno(epoll_create1(arg1)); | |
9521 | break; | |
9522 | #endif | |
9523 | #if defined(TARGET_NR_epoll_ctl) | |
9524 | case TARGET_NR_epoll_ctl: | |
9525 | { | |
9526 | struct epoll_event ep; | |
9527 | struct epoll_event *epp = 0; | |
9528 | if (arg4) { | |
9529 | struct target_epoll_event *target_ep; | |
9530 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
9531 | goto efault; | |
9532 | } | |
9533 | ep.events = tswap32(target_ep->events); | |
9534 | /* The epoll_data_t union is just opaque data to the kernel, | |
9535 | * so we transfer all 64 bits across and need not worry what | |
9536 | * actual data type it is. | |
9537 | */ | |
9538 | ep.data.u64 = tswap64(target_ep->data.u64); | |
9539 | unlock_user_struct(target_ep, arg4, 0); | |
9540 | epp = &ep; | |
9541 | } | |
9542 | ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp)); | |
9543 | break; | |
9544 | } | |
9545 | #endif | |
9546 | ||
9547 | #if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT) | |
9548 | #define IMPLEMENT_EPOLL_PWAIT | |
9549 | #endif | |
9550 | #if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT) | |
9551 | #if defined(TARGET_NR_epoll_wait) | |
9552 | case TARGET_NR_epoll_wait: | |
9553 | #endif | |
9554 | #if defined(IMPLEMENT_EPOLL_PWAIT) | |
9555 | case TARGET_NR_epoll_pwait: | |
9556 | #endif | |
9557 | { | |
9558 | struct target_epoll_event *target_ep; | |
9559 | struct epoll_event *ep; | |
9560 | int epfd = arg1; | |
9561 | int maxevents = arg3; | |
9562 | int timeout = arg4; | |
9563 | ||
9564 | target_ep = lock_user(VERIFY_WRITE, arg2, | |
9565 | maxevents * sizeof(struct target_epoll_event), 1); | |
9566 | if (!target_ep) { | |
9567 | goto efault; | |
9568 | } | |
9569 | ||
9570 | ep = alloca(maxevents * sizeof(struct epoll_event)); | |
9571 | ||
9572 | switch (num) { | |
9573 | #if defined(IMPLEMENT_EPOLL_PWAIT) | |
9574 | case TARGET_NR_epoll_pwait: | |
9575 | { | |
9576 | target_sigset_t *target_set; | |
9577 | sigset_t _set, *set = &_set; | |
9578 | ||
9579 | if (arg5) { | |
9580 | target_set = lock_user(VERIFY_READ, arg5, | |
9581 | sizeof(target_sigset_t), 1); | |
9582 | if (!target_set) { | |
9583 | unlock_user(target_ep, arg2, 0); | |
9584 | goto efault; | |
9585 | } | |
9586 | target_to_host_sigset(set, target_set); | |
9587 | unlock_user(target_set, arg5, 0); | |
9588 | } else { | |
9589 | set = NULL; | |
9590 | } | |
9591 | ||
9592 | ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set)); | |
9593 | break; | |
9594 | } | |
9595 | #endif | |
9596 | #if defined(TARGET_NR_epoll_wait) | |
9597 | case TARGET_NR_epoll_wait: | |
9598 | ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout)); | |
9599 | break; | |
9600 | #endif | |
9601 | default: | |
9602 | ret = -TARGET_ENOSYS; | |
9603 | } | |
9604 | if (!is_error(ret)) { | |
9605 | int i; | |
9606 | for (i = 0; i < ret; i++) { | |
9607 | target_ep[i].events = tswap32(ep[i].events); | |
9608 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
9609 | } | |
9610 | } | |
9611 | unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event)); | |
9612 | break; | |
9613 | } | |
9614 | #endif | |
163a05a8 PM |
9615 | #endif |
9616 | #ifdef TARGET_NR_prlimit64 | |
9617 | case TARGET_NR_prlimit64: | |
9618 | { | |
9619 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
9620 | struct target_rlimit64 *target_rnew, *target_rold; | |
9621 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
95018018 | 9622 | int resource = target_to_host_resource(arg2); |
163a05a8 PM |
9623 | if (arg3) { |
9624 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { | |
9625 | goto efault; | |
9626 | } | |
9627 | rnew.rlim_cur = tswap64(target_rnew->rlim_cur); | |
9628 | rnew.rlim_max = tswap64(target_rnew->rlim_max); | |
9629 | unlock_user_struct(target_rnew, arg3, 0); | |
9630 | rnewp = &rnew; | |
9631 | } | |
9632 | ||
95018018 | 9633 | ret = get_errno(sys_prlimit64(arg1, resource, rnewp, arg4 ? &rold : 0)); |
163a05a8 PM |
9634 | if (!is_error(ret) && arg4) { |
9635 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
9636 | goto efault; | |
9637 | } | |
9638 | target_rold->rlim_cur = tswap64(rold.rlim_cur); | |
9639 | target_rold->rlim_max = tswap64(rold.rlim_max); | |
9640 | unlock_user_struct(target_rold, arg4, 1); | |
9641 | } | |
9642 | break; | |
9643 | } | |
3d21d29c RH |
9644 | #endif |
9645 | #ifdef TARGET_NR_gethostname | |
9646 | case TARGET_NR_gethostname: | |
9647 | { | |
9648 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
9649 | if (name) { | |
9650 | ret = get_errno(gethostname(name, arg2)); | |
9651 | unlock_user(name, arg1, arg2); | |
9652 | } else { | |
9653 | ret = -TARGET_EFAULT; | |
9654 | } | |
9655 | break; | |
9656 | } | |
89aaf1a6 RV |
9657 | #endif |
9658 | #ifdef TARGET_NR_atomic_cmpxchg_32 | |
9659 | case TARGET_NR_atomic_cmpxchg_32: | |
9660 | { | |
9661 | /* should use start_exclusive from main.c */ | |
9662 | abi_ulong mem_value; | |
9663 | if (get_user_u32(mem_value, arg6)) { | |
9664 | target_siginfo_t info; | |
9665 | info.si_signo = SIGSEGV; | |
9666 | info.si_errno = 0; | |
9667 | info.si_code = TARGET_SEGV_MAPERR; | |
9668 | info._sifields._sigfault._addr = arg6; | |
9669 | queue_signal((CPUArchState *)cpu_env, info.si_signo, &info); | |
9670 | ret = 0xdeadbeef; | |
9671 | ||
9672 | } | |
9673 | if (mem_value == arg2) | |
9674 | put_user_u32(arg1, arg6); | |
9675 | ret = mem_value; | |
9676 | break; | |
9677 | } | |
9678 | #endif | |
9679 | #ifdef TARGET_NR_atomic_barrier | |
9680 | case TARGET_NR_atomic_barrier: | |
9681 | { | |
9682 | /* Like the kernel implementation and the qemu arm barrier, no-op this? */ | |
3b899ea7 | 9683 | ret = 0; |
89aaf1a6 RV |
9684 | break; |
9685 | } | |
d0927938 | 9686 | #endif |
f4f1e10a ECL |
9687 | |
9688 | #ifdef TARGET_NR_timer_create | |
9689 | case TARGET_NR_timer_create: | |
9690 | { | |
9691 | /* args: clockid_t clockid, struct sigevent *sevp, timer_t *timerid */ | |
9692 | ||
9693 | struct sigevent host_sevp = { {0}, }, *phost_sevp = NULL; | |
f4f1e10a ECL |
9694 | |
9695 | int clkid = arg1; | |
9696 | int timer_index = next_free_host_timer(); | |
9697 | ||
9698 | if (timer_index < 0) { | |
9699 | ret = -TARGET_EAGAIN; | |
9700 | } else { | |
9701 | timer_t *phtimer = g_posix_timers + timer_index; | |
9702 | ||
9703 | if (arg2) { | |
f4f1e10a | 9704 | phost_sevp = &host_sevp; |
c065976f PM |
9705 | ret = target_to_host_sigevent(phost_sevp, arg2); |
9706 | if (ret != 0) { | |
9707 | break; | |
9708 | } | |
f4f1e10a ECL |
9709 | } |
9710 | ||
9711 | ret = get_errno(timer_create(clkid, phost_sevp, phtimer)); | |
9712 | if (ret) { | |
9713 | phtimer = NULL; | |
9714 | } else { | |
aecc8861 | 9715 | if (put_user(TIMER_MAGIC | timer_index, arg3, target_timer_t)) { |
f4f1e10a ECL |
9716 | goto efault; |
9717 | } | |
f4f1e10a ECL |
9718 | } |
9719 | } | |
9720 | break; | |
9721 | } | |
9722 | #endif | |
9723 | ||
9724 | #ifdef TARGET_NR_timer_settime | |
9725 | case TARGET_NR_timer_settime: | |
9726 | { | |
9727 | /* args: timer_t timerid, int flags, const struct itimerspec *new_value, | |
9728 | * struct itimerspec * old_value */ | |
aecc8861 | 9729 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 9730 | |
aecc8861 AG |
9731 | if (timerid < 0) { |
9732 | ret = timerid; | |
9733 | } else if (arg3 == 0) { | |
f4f1e10a ECL |
9734 | ret = -TARGET_EINVAL; |
9735 | } else { | |
e52a99f7 | 9736 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
9737 | struct itimerspec hspec_new = {{0},}, hspec_old = {{0},}; |
9738 | ||
9739 | target_to_host_itimerspec(&hspec_new, arg3); | |
9740 | ret = get_errno( | |
9741 | timer_settime(htimer, arg2, &hspec_new, &hspec_old)); | |
9742 | host_to_target_itimerspec(arg2, &hspec_old); | |
9743 | } | |
9744 | break; | |
9745 | } | |
9746 | #endif | |
9747 | ||
9748 | #ifdef TARGET_NR_timer_gettime | |
9749 | case TARGET_NR_timer_gettime: | |
9750 | { | |
9751 | /* args: timer_t timerid, struct itimerspec *curr_value */ | |
aecc8861 | 9752 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 9753 | |
aecc8861 AG |
9754 | if (timerid < 0) { |
9755 | ret = timerid; | |
9756 | } else if (!arg2) { | |
9757 | ret = -TARGET_EFAULT; | |
f4f1e10a | 9758 | } else { |
e52a99f7 | 9759 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
9760 | struct itimerspec hspec; |
9761 | ret = get_errno(timer_gettime(htimer, &hspec)); | |
9762 | ||
9763 | if (host_to_target_itimerspec(arg2, &hspec)) { | |
9764 | ret = -TARGET_EFAULT; | |
9765 | } | |
9766 | } | |
9767 | break; | |
9768 | } | |
9769 | #endif | |
9770 | ||
9771 | #ifdef TARGET_NR_timer_getoverrun | |
9772 | case TARGET_NR_timer_getoverrun: | |
9773 | { | |
9774 | /* args: timer_t timerid */ | |
aecc8861 | 9775 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 9776 | |
aecc8861 AG |
9777 | if (timerid < 0) { |
9778 | ret = timerid; | |
f4f1e10a | 9779 | } else { |
e52a99f7 | 9780 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a ECL |
9781 | ret = get_errno(timer_getoverrun(htimer)); |
9782 | } | |
9783 | break; | |
9784 | } | |
9785 | #endif | |
9786 | ||
9787 | #ifdef TARGET_NR_timer_delete | |
9788 | case TARGET_NR_timer_delete: | |
9789 | { | |
9790 | /* args: timer_t timerid */ | |
aecc8861 | 9791 | target_timer_t timerid = get_timer_id(arg1); |
e52a99f7 | 9792 | |
aecc8861 AG |
9793 | if (timerid < 0) { |
9794 | ret = timerid; | |
f4f1e10a | 9795 | } else { |
e52a99f7 | 9796 | timer_t htimer = g_posix_timers[timerid]; |
f4f1e10a | 9797 | ret = get_errno(timer_delete(htimer)); |
e52a99f7 | 9798 | g_posix_timers[timerid] = 0; |
f4f1e10a ECL |
9799 | } |
9800 | break; | |
9801 | } | |
9802 | #endif | |
9803 | ||
51834341 RV |
9804 | #if defined(TARGET_NR_timerfd_create) && defined(CONFIG_TIMERFD) |
9805 | case TARGET_NR_timerfd_create: | |
9806 | ret = get_errno(timerfd_create(arg1, | |
9807 | target_to_host_bitmask(arg2, fcntl_flags_tbl))); | |
9808 | break; | |
9809 | #endif | |
9810 | ||
9811 | #if defined(TARGET_NR_timerfd_gettime) && defined(CONFIG_TIMERFD) | |
9812 | case TARGET_NR_timerfd_gettime: | |
9813 | { | |
9814 | struct itimerspec its_curr; | |
9815 | ||
9816 | ret = get_errno(timerfd_gettime(arg1, &its_curr)); | |
9817 | ||
9818 | if (arg2 && host_to_target_itimerspec(arg2, &its_curr)) { | |
9819 | goto efault; | |
9820 | } | |
9821 | } | |
9822 | break; | |
9823 | #endif | |
9824 | ||
9825 | #if defined(TARGET_NR_timerfd_settime) && defined(CONFIG_TIMERFD) | |
9826 | case TARGET_NR_timerfd_settime: | |
9827 | { | |
9828 | struct itimerspec its_new, its_old, *p_new; | |
9829 | ||
9830 | if (arg3) { | |
9831 | if (target_to_host_itimerspec(&its_new, arg3)) { | |
9832 | goto efault; | |
9833 | } | |
9834 | p_new = &its_new; | |
9835 | } else { | |
9836 | p_new = NULL; | |
9837 | } | |
9838 | ||
9839 | ret = get_errno(timerfd_settime(arg1, arg2, p_new, &its_old)); | |
9840 | ||
9841 | if (arg4 && host_to_target_itimerspec(arg4, &its_old)) { | |
9842 | goto efault; | |
9843 | } | |
9844 | } | |
9845 | break; | |
9846 | #endif | |
9847 | ||
ab31cda3 PB |
9848 | #if defined(TARGET_NR_ioprio_get) && defined(__NR_ioprio_get) |
9849 | case TARGET_NR_ioprio_get: | |
9850 | ret = get_errno(ioprio_get(arg1, arg2)); | |
9851 | break; | |
9852 | #endif | |
9853 | ||
9854 | #if defined(TARGET_NR_ioprio_set) && defined(__NR_ioprio_set) | |
9855 | case TARGET_NR_ioprio_set: | |
9856 | ret = get_errno(ioprio_set(arg1, arg2, arg3)); | |
9857 | break; | |
9858 | #endif | |
9859 | ||
9af5c906 RV |
9860 | #if defined(TARGET_NR_setns) && defined(CONFIG_SETNS) |
9861 | case TARGET_NR_setns: | |
9862 | ret = get_errno(setns(arg1, arg2)); | |
9863 | break; | |
9864 | #endif | |
9865 | #if defined(TARGET_NR_unshare) && defined(CONFIG_SETNS) | |
9866 | case TARGET_NR_unshare: | |
9867 | ret = get_errno(unshare(arg1)); | |
9868 | break; | |
9869 | #endif | |
9870 | ||
31e31b8a FB |
9871 | default: |
9872 | unimplemented: | |
5cd4393b | 9873 | gemu_log("qemu: Unsupported syscall: %d\n", num); |
4f2b1fe8 | 9874 | #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) |
5cd4393b | 9875 | unimplemented_nowarn: |
80a9d035 | 9876 | #endif |
0da46a6e | 9877 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
9878 | break; |
9879 | } | |
579a97f7 | 9880 | fail: |
c573ff67 | 9881 | #ifdef DEBUG |
0bf9e31a | 9882 | gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); |
c573ff67 | 9883 | #endif |
b92c47c1 TS |
9884 | if(do_strace) |
9885 | print_syscall_ret(num, ret); | |
31e31b8a | 9886 | return ret; |
579a97f7 FB |
9887 | efault: |
9888 | ret = -TARGET_EFAULT; | |
9889 | goto fail; | |
31e31b8a | 9890 | } |