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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> | |
46 | #include <signal.h> | |
47 | #include <sched.h> | |
60e99246 AJ |
48 | #ifdef __ia64__ |
49 | int __clone2(int (*fn)(void *), void *child_stack_base, | |
50 | size_t stack_size, int flags, void *arg, ...); | |
51 | #endif | |
31e31b8a | 52 | #include <sys/socket.h> |
607175e0 | 53 | #include <sys/un.h> |
31e31b8a | 54 | #include <sys/uio.h> |
9de5e440 | 55 | #include <sys/poll.h> |
32f36bce | 56 | #include <sys/times.h> |
8853f86e | 57 | #include <sys/shm.h> |
fa294816 | 58 | #include <sys/sem.h> |
56c8f68f | 59 | #include <sys/statfs.h> |
ebc05488 | 60 | #include <utime.h> |
a5448a7d | 61 | #include <sys/sysinfo.h> |
3b3f24ad | 62 | #include <sys/utsname.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" |
9788c9ca | 69 | #ifdef TARGET_GPROF |
6d946cda AJ |
70 | #include <sys/gmon.h> |
71 | #endif | |
c2882b96 RV |
72 | #ifdef CONFIG_EVENTFD |
73 | #include <sys/eventfd.h> | |
74 | #endif | |
3b6edd16 PM |
75 | #ifdef CONFIG_EPOLL |
76 | #include <sys/epoll.h> | |
77 | #endif | |
a790ae38 | 78 | #ifdef CONFIG_ATTR |
1de7afc9 | 79 | #include "qemu/xattr.h" |
a790ae38 | 80 | #endif |
a8fd1aba PM |
81 | #ifdef CONFIG_SENDFILE |
82 | #include <sys/sendfile.h> | |
83 | #endif | |
31e31b8a FB |
84 | |
85 | #define termios host_termios | |
86 | #define winsize host_winsize | |
87 | #define termio host_termio | |
04369ff2 FB |
88 | #define sgttyb host_sgttyb /* same as target */ |
89 | #define tchars host_tchars /* same as target */ | |
90 | #define ltchars host_ltchars /* same as target */ | |
31e31b8a FB |
91 | |
92 | #include <linux/termios.h> | |
93 | #include <linux/unistd.h> | |
94 | #include <linux/utsname.h> | |
95 | #include <linux/cdrom.h> | |
96 | #include <linux/hdreg.h> | |
97 | #include <linux/soundcard.h> | |
19b84f3c | 98 | #include <linux/kd.h> |
8fbd6b52 | 99 | #include <linux/mtio.h> |
350d1779 | 100 | #include <linux/fs.h> |
dace20dc | 101 | #if defined(CONFIG_FIEMAP) |
285da2b9 | 102 | #include <linux/fiemap.h> |
dace20dc | 103 | #endif |
f7680a55 UH |
104 | #include <linux/fb.h> |
105 | #include <linux/vt.h> | |
56e904ec | 106 | #include <linux/dm-ioctl.h> |
c07ecc68 | 107 | #include <linux/reboot.h> |
7ff7b666 | 108 | #include <linux/route.h> |
f57d4192 | 109 | #include <linux/filter.h> |
d7e4036e | 110 | #include "linux_loop.h" |
da79030f | 111 | #include "cpu-uname.h" |
31e31b8a | 112 | |
3ef693a0 | 113 | #include "qemu.h" |
31e31b8a | 114 | |
d865bab5 PB |
115 | #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \ |
116 | CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID) | |
30813cea | 117 | |
72f03900 | 118 | //#define DEBUG |
31e31b8a | 119 | |
1a9353d2 | 120 | //#include <linux/msdos_fs.h> |
6556a833 AJ |
121 | #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2]) |
122 | #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2]) | |
1a9353d2 | 123 | |
70a194b9 | 124 | |
70a194b9 FB |
125 | #undef _syscall0 |
126 | #undef _syscall1 | |
127 | #undef _syscall2 | |
128 | #undef _syscall3 | |
129 | #undef _syscall4 | |
130 | #undef _syscall5 | |
83fcb515 | 131 | #undef _syscall6 |
70a194b9 | 132 | |
83fcb515 | 133 | #define _syscall0(type,name) \ |
8fcd3692 | 134 | static type name (void) \ |
83fcb515 FB |
135 | { \ |
136 | return syscall(__NR_##name); \ | |
137 | } | |
70a194b9 | 138 | |
83fcb515 | 139 | #define _syscall1(type,name,type1,arg1) \ |
8fcd3692 | 140 | static type name (type1 arg1) \ |
83fcb515 FB |
141 | { \ |
142 | return syscall(__NR_##name, arg1); \ | |
70a194b9 FB |
143 | } |
144 | ||
83fcb515 | 145 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
8fcd3692 | 146 | static type name (type1 arg1,type2 arg2) \ |
83fcb515 FB |
147 | { \ |
148 | return syscall(__NR_##name, arg1, arg2); \ | |
70a194b9 FB |
149 | } |
150 | ||
83fcb515 | 151 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
8fcd3692 | 152 | static type name (type1 arg1,type2 arg2,type3 arg3) \ |
83fcb515 FB |
153 | { \ |
154 | return syscall(__NR_##name, arg1, arg2, arg3); \ | |
70a194b9 FB |
155 | } |
156 | ||
83fcb515 | 157 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
8fcd3692 | 158 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \ |
83fcb515 FB |
159 | { \ |
160 | return syscall(__NR_##name, arg1, arg2, arg3, arg4); \ | |
70a194b9 FB |
161 | } |
162 | ||
83fcb515 FB |
163 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
164 | type5,arg5) \ | |
8fcd3692 | 165 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
83fcb515 FB |
166 | { \ |
167 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \ | |
70a194b9 FB |
168 | } |
169 | ||
83fcb515 FB |
170 | |
171 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ | |
172 | type5,arg5,type6,arg6) \ | |
8fcd3692 BS |
173 | static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \ |
174 | type6 arg6) \ | |
83fcb515 FB |
175 | { \ |
176 | return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \ | |
70a194b9 | 177 | } |
83fcb515 | 178 | |
70a194b9 | 179 | |
31e31b8a | 180 | #define __NR_sys_uname __NR_uname |
72f03900 | 181 | #define __NR_sys_getcwd1 __NR_getcwd |
72f03900 | 182 | #define __NR_sys_getdents __NR_getdents |
dab2ed99 | 183 | #define __NR_sys_getdents64 __NR_getdents64 |
c6cda17a | 184 | #define __NR_sys_getpriority __NR_getpriority |
66fb9763 | 185 | #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo |
7494b0f9 | 186 | #define __NR_sys_syslog __NR_syslog |
71455574 | 187 | #define __NR_sys_tgkill __NR_tgkill |
4cae1d16 | 188 | #define __NR_sys_tkill __NR_tkill |
bd0c5661 | 189 | #define __NR_sys_futex __NR_futex |
39b59763 AJ |
190 | #define __NR_sys_inotify_init __NR_inotify_init |
191 | #define __NR_sys_inotify_add_watch __NR_inotify_add_watch | |
192 | #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch | |
31e31b8a | 193 | |
42a39fbe AG |
194 | #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__) || \ |
195 | defined(__s390x__) | |
9af9eaaa FB |
196 | #define __NR__llseek __NR_lseek |
197 | #endif | |
198 | ||
72f03900 | 199 | #ifdef __NR_gettid |
31e31b8a | 200 | _syscall0(int, gettid) |
72f03900 | 201 | #else |
0da46a6e TS |
202 | /* This is a replacement for the host gettid() and must return a host |
203 | errno. */ | |
72f03900 FB |
204 | static int gettid(void) { |
205 | return -ENOSYS; | |
206 | } | |
207 | #endif | |
3307e236 | 208 | #ifdef __NR_getdents |
3b3f24ad | 209 | _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count); |
3307e236 PM |
210 | #endif |
211 | #if !defined(__NR_getdents) || \ | |
212 | (defined(TARGET_NR_getdents64) && defined(__NR_getdents64)) | |
3b3f24ad AJ |
213 | _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count); |
214 | #endif | |
d35b261c | 215 | #if defined(TARGET_NR__llseek) && defined(__NR_llseek) |
3b3f24ad AJ |
216 | _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo, |
217 | loff_t *, res, uint, wh); | |
218 | #endif | |
219 | _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo) | |
220 | _syscall3(int,sys_syslog,int,type,char*,bufp,int,len) | |
221 | #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) | |
222 | _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig) | |
223 | #endif | |
224 | #if defined(TARGET_NR_tkill) && defined(__NR_tkill) | |
225 | _syscall2(int,sys_tkill,int,tid,int,sig) | |
226 | #endif | |
227 | #ifdef __NR_exit_group | |
228 | _syscall1(int,exit_group,int,error_code) | |
229 | #endif | |
230 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) | |
231 | _syscall1(int,set_tid_address,int *,tidptr) | |
232 | #endif | |
3b3f24ad AJ |
233 | #if defined(TARGET_NR_futex) && defined(__NR_futex) |
234 | _syscall6(int,sys_futex,int *,uaddr,int,op,int,val, | |
235 | const struct timespec *,timeout,int *,uaddr2,int,val3) | |
236 | #endif | |
737de1d1 MF |
237 | #define __NR_sys_sched_getaffinity __NR_sched_getaffinity |
238 | _syscall3(int, sys_sched_getaffinity, pid_t, pid, unsigned int, len, | |
239 | unsigned long *, user_mask_ptr); | |
240 | #define __NR_sys_sched_setaffinity __NR_sched_setaffinity | |
241 | _syscall3(int, sys_sched_setaffinity, pid_t, pid, unsigned int, len, | |
242 | unsigned long *, user_mask_ptr); | |
0f6b4d21 AG |
243 | _syscall4(int, reboot, int, magic1, int, magic2, unsigned int, cmd, |
244 | void *, arg); | |
3b3f24ad AJ |
245 | |
246 | static bitmask_transtbl fcntl_flags_tbl[] = { | |
247 | { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, }, | |
248 | { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, }, | |
249 | { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, }, | |
250 | { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, }, | |
251 | { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, }, | |
252 | { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, }, | |
253 | { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, }, | |
254 | { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, }, | |
afc8763f | 255 | { TARGET_O_SYNC, TARGET_O_DSYNC, O_SYNC, O_DSYNC, }, |
3b3f24ad AJ |
256 | { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, }, |
257 | { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, }, | |
258 | { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, }, | |
259 | { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, }, | |
3b3f24ad AJ |
260 | #if defined(O_DIRECT) |
261 | { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, }, | |
afc8763f RH |
262 | #endif |
263 | #if defined(O_NOATIME) | |
264 | { TARGET_O_NOATIME, TARGET_O_NOATIME, O_NOATIME, O_NOATIME }, | |
265 | #endif | |
266 | #if defined(O_CLOEXEC) | |
267 | { TARGET_O_CLOEXEC, TARGET_O_CLOEXEC, O_CLOEXEC, O_CLOEXEC }, | |
268 | #endif | |
269 | #if defined(O_PATH) | |
270 | { TARGET_O_PATH, TARGET_O_PATH, O_PATH, O_PATH }, | |
271 | #endif | |
272 | /* Don't terminate the list prematurely on 64-bit host+guest. */ | |
273 | #if TARGET_O_LARGEFILE != 0 || O_LARGEFILE != 0 | |
274 | { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, }, | |
3b3f24ad AJ |
275 | #endif |
276 | { 0, 0, 0, 0 } | |
277 | }; | |
278 | ||
279 | #define COPY_UTSNAME_FIELD(dest, src) \ | |
280 | do { \ | |
281 | /* __NEW_UTS_LEN doesn't include terminating null */ \ | |
282 | (void) strncpy((dest), (src), __NEW_UTS_LEN); \ | |
283 | (dest)[__NEW_UTS_LEN] = '\0'; \ | |
284 | } while (0) | |
285 | ||
286 | static int sys_uname(struct new_utsname *buf) | |
287 | { | |
288 | struct utsname uts_buf; | |
289 | ||
290 | if (uname(&uts_buf) < 0) | |
291 | return (-1); | |
292 | ||
293 | /* | |
294 | * Just in case these have some differences, we | |
295 | * translate utsname to new_utsname (which is the | |
296 | * struct linux kernel uses). | |
297 | */ | |
298 | ||
67bd9ede | 299 | memset(buf, 0, sizeof(*buf)); |
3b3f24ad AJ |
300 | COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname); |
301 | COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename); | |
302 | COPY_UTSNAME_FIELD(buf->release, uts_buf.release); | |
303 | COPY_UTSNAME_FIELD(buf->version, uts_buf.version); | |
304 | COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine); | |
305 | #ifdef _GNU_SOURCE | |
306 | COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname); | |
307 | #endif | |
308 | return (0); | |
309 | ||
310 | #undef COPY_UTSNAME_FIELD | |
311 | } | |
312 | ||
313 | static int sys_getcwd1(char *buf, size_t size) | |
314 | { | |
315 | if (getcwd(buf, size) == NULL) { | |
316 | /* getcwd() sets errno */ | |
317 | return (-1); | |
318 | } | |
aaf4ad39 | 319 | return strlen(buf)+1; |
3b3f24ad AJ |
320 | } |
321 | ||
3b3f24ad | 322 | #ifdef TARGET_NR_openat |
f4c69010 | 323 | static int sys_openat(int dirfd, const char *pathname, int flags, mode_t mode) |
3b3f24ad AJ |
324 | { |
325 | /* | |
326 | * open(2) has extra parameter 'mode' when called with | |
327 | * flag O_CREAT. | |
328 | */ | |
329 | if ((flags & O_CREAT) != 0) { | |
3b3f24ad AJ |
330 | return (openat(dirfd, pathname, flags, mode)); |
331 | } | |
332 | return (openat(dirfd, pathname, flags)); | |
333 | } | |
334 | #endif | |
ebc996f3 | 335 | |
1acae9f2 | 336 | #ifdef TARGET_NR_utimensat |
ebc996f3 RV |
337 | #ifdef CONFIG_UTIMENSAT |
338 | static int sys_utimensat(int dirfd, const char *pathname, | |
339 | const struct timespec times[2], int flags) | |
340 | { | |
341 | if (pathname == NULL) | |
342 | return futimens(dirfd, times); | |
343 | else | |
344 | return utimensat(dirfd, pathname, times, flags); | |
345 | } | |
1acae9f2 PM |
346 | #elif defined(__NR_utimensat) |
347 | #define __NR_sys_utimensat __NR_utimensat | |
9007f0ef TS |
348 | _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname, |
349 | const struct timespec *,tsp,int,flags) | |
1acae9f2 PM |
350 | #else |
351 | static int sys_utimensat(int dirfd, const char *pathname, | |
352 | const struct timespec times[2], int flags) | |
353 | { | |
354 | errno = ENOSYS; | |
355 | return -1; | |
356 | } | |
9007f0ef | 357 | #endif |
1acae9f2 | 358 | #endif /* TARGET_NR_utimensat */ |
3b3f24ad AJ |
359 | |
360 | #ifdef CONFIG_INOTIFY | |
8690e420 | 361 | #include <sys/inotify.h> |
3b3f24ad | 362 | |
39b59763 | 363 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
3b3f24ad AJ |
364 | static int sys_inotify_init(void) |
365 | { | |
366 | return (inotify_init()); | |
367 | } | |
39b59763 AJ |
368 | #endif |
369 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) | |
3b3f24ad AJ |
370 | static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask) |
371 | { | |
372 | return (inotify_add_watch(fd, pathname, mask)); | |
373 | } | |
39b59763 AJ |
374 | #endif |
375 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) | |
3b3f24ad AJ |
376 | static int sys_inotify_rm_watch(int fd, int32_t wd) |
377 | { | |
8690e420 | 378 | return (inotify_rm_watch(fd, wd)); |
3b3f24ad | 379 | } |
bd0c5661 | 380 | #endif |
c05c7a73 RV |
381 | #ifdef CONFIG_INOTIFY1 |
382 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) | |
383 | static int sys_inotify_init1(int flags) | |
384 | { | |
385 | return (inotify_init1(flags)); | |
386 | } | |
387 | #endif | |
388 | #endif | |
3b3f24ad AJ |
389 | #else |
390 | /* Userspace can usually survive runtime without inotify */ | |
391 | #undef TARGET_NR_inotify_init | |
c05c7a73 | 392 | #undef TARGET_NR_inotify_init1 |
3b3f24ad AJ |
393 | #undef TARGET_NR_inotify_add_watch |
394 | #undef TARGET_NR_inotify_rm_watch | |
395 | #endif /* CONFIG_INOTIFY */ | |
396 | ||
d8035d4c MF |
397 | #if defined(TARGET_NR_ppoll) |
398 | #ifndef __NR_ppoll | |
399 | # define __NR_ppoll -1 | |
400 | #endif | |
401 | #define __NR_sys_ppoll __NR_ppoll | |
402 | _syscall5(int, sys_ppoll, struct pollfd *, fds, nfds_t, nfds, | |
403 | struct timespec *, timeout, const __sigset_t *, sigmask, | |
404 | size_t, sigsetsize) | |
405 | #endif | |
66fb9763 | 406 | |
055e0906 MF |
407 | #if defined(TARGET_NR_pselect6) |
408 | #ifndef __NR_pselect6 | |
409 | # define __NR_pselect6 -1 | |
410 | #endif | |
411 | #define __NR_sys_pselect6 __NR_pselect6 | |
412 | _syscall6(int, sys_pselect6, int, nfds, fd_set *, readfds, fd_set *, writefds, | |
413 | fd_set *, exceptfds, struct timespec *, timeout, void *, sig); | |
414 | #endif | |
415 | ||
163a05a8 PM |
416 | #if defined(TARGET_NR_prlimit64) |
417 | #ifndef __NR_prlimit64 | |
418 | # define __NR_prlimit64 -1 | |
419 | #endif | |
420 | #define __NR_sys_prlimit64 __NR_prlimit64 | |
421 | /* The glibc rlimit structure may not be that used by the underlying syscall */ | |
422 | struct host_rlimit64 { | |
423 | uint64_t rlim_cur; | |
424 | uint64_t rlim_max; | |
425 | }; | |
426 | _syscall4(int, sys_prlimit64, pid_t, pid, int, resource, | |
427 | const struct host_rlimit64 *, new_limit, | |
428 | struct host_rlimit64 *, old_limit) | |
429 | #endif | |
430 | ||
48e515d4 | 431 | /* ARM EABI and MIPS expect 64bit types aligned even on pairs or registers */ |
4a1def4e | 432 | #ifdef TARGET_ARM |
48e515d4 RV |
433 | static inline int regpairs_aligned(void *cpu_env) { |
434 | return ((((CPUARMState *)cpu_env)->eabi) == 1) ; | |
435 | } | |
436 | #elif defined(TARGET_MIPS) | |
437 | static inline int regpairs_aligned(void *cpu_env) { return 1; } | |
4a1def4e AG |
438 | #elif defined(TARGET_PPC) && !defined(TARGET_PPC64) |
439 | /* SysV AVI for PPC32 expects 64bit parameters to be passed on odd/even pairs | |
440 | * of registers which translates to the same as ARM/MIPS, because we start with | |
441 | * r3 as arg1 */ | |
442 | static inline int regpairs_aligned(void *cpu_env) { return 1; } | |
48e515d4 RV |
443 | #else |
444 | static inline int regpairs_aligned(void *cpu_env) { return 0; } | |
445 | #endif | |
446 | ||
b92c47c1 TS |
447 | #define ERRNO_TABLE_SIZE 1200 |
448 | ||
449 | /* target_to_host_errno_table[] is initialized from | |
450 | * host_to_target_errno_table[] in syscall_init(). */ | |
451 | static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = { | |
452 | }; | |
453 | ||
637947f1 | 454 | /* |
fe8f096b | 455 | * This list is the union of errno values overridden in asm-<arch>/errno.h |
637947f1 TS |
456 | * minus the errnos that are not actually generic to all archs. |
457 | */ | |
b92c47c1 | 458 | static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = { |
637947f1 TS |
459 | [EIDRM] = TARGET_EIDRM, |
460 | [ECHRNG] = TARGET_ECHRNG, | |
461 | [EL2NSYNC] = TARGET_EL2NSYNC, | |
462 | [EL3HLT] = TARGET_EL3HLT, | |
463 | [EL3RST] = TARGET_EL3RST, | |
464 | [ELNRNG] = TARGET_ELNRNG, | |
465 | [EUNATCH] = TARGET_EUNATCH, | |
466 | [ENOCSI] = TARGET_ENOCSI, | |
467 | [EL2HLT] = TARGET_EL2HLT, | |
468 | [EDEADLK] = TARGET_EDEADLK, | |
469 | [ENOLCK] = TARGET_ENOLCK, | |
470 | [EBADE] = TARGET_EBADE, | |
471 | [EBADR] = TARGET_EBADR, | |
472 | [EXFULL] = TARGET_EXFULL, | |
473 | [ENOANO] = TARGET_ENOANO, | |
474 | [EBADRQC] = TARGET_EBADRQC, | |
475 | [EBADSLT] = TARGET_EBADSLT, | |
476 | [EBFONT] = TARGET_EBFONT, | |
477 | [ENOSTR] = TARGET_ENOSTR, | |
478 | [ENODATA] = TARGET_ENODATA, | |
479 | [ETIME] = TARGET_ETIME, | |
480 | [ENOSR] = TARGET_ENOSR, | |
481 | [ENONET] = TARGET_ENONET, | |
482 | [ENOPKG] = TARGET_ENOPKG, | |
483 | [EREMOTE] = TARGET_EREMOTE, | |
484 | [ENOLINK] = TARGET_ENOLINK, | |
485 | [EADV] = TARGET_EADV, | |
486 | [ESRMNT] = TARGET_ESRMNT, | |
487 | [ECOMM] = TARGET_ECOMM, | |
488 | [EPROTO] = TARGET_EPROTO, | |
489 | [EDOTDOT] = TARGET_EDOTDOT, | |
490 | [EMULTIHOP] = TARGET_EMULTIHOP, | |
491 | [EBADMSG] = TARGET_EBADMSG, | |
492 | [ENAMETOOLONG] = TARGET_ENAMETOOLONG, | |
493 | [EOVERFLOW] = TARGET_EOVERFLOW, | |
494 | [ENOTUNIQ] = TARGET_ENOTUNIQ, | |
495 | [EBADFD] = TARGET_EBADFD, | |
496 | [EREMCHG] = TARGET_EREMCHG, | |
497 | [ELIBACC] = TARGET_ELIBACC, | |
498 | [ELIBBAD] = TARGET_ELIBBAD, | |
499 | [ELIBSCN] = TARGET_ELIBSCN, | |
500 | [ELIBMAX] = TARGET_ELIBMAX, | |
501 | [ELIBEXEC] = TARGET_ELIBEXEC, | |
502 | [EILSEQ] = TARGET_EILSEQ, | |
503 | [ENOSYS] = TARGET_ENOSYS, | |
504 | [ELOOP] = TARGET_ELOOP, | |
505 | [ERESTART] = TARGET_ERESTART, | |
506 | [ESTRPIPE] = TARGET_ESTRPIPE, | |
507 | [ENOTEMPTY] = TARGET_ENOTEMPTY, | |
508 | [EUSERS] = TARGET_EUSERS, | |
509 | [ENOTSOCK] = TARGET_ENOTSOCK, | |
510 | [EDESTADDRREQ] = TARGET_EDESTADDRREQ, | |
511 | [EMSGSIZE] = TARGET_EMSGSIZE, | |
512 | [EPROTOTYPE] = TARGET_EPROTOTYPE, | |
513 | [ENOPROTOOPT] = TARGET_ENOPROTOOPT, | |
514 | [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT, | |
515 | [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT, | |
516 | [EOPNOTSUPP] = TARGET_EOPNOTSUPP, | |
517 | [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT, | |
518 | [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT, | |
519 | [EADDRINUSE] = TARGET_EADDRINUSE, | |
520 | [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL, | |
521 | [ENETDOWN] = TARGET_ENETDOWN, | |
522 | [ENETUNREACH] = TARGET_ENETUNREACH, | |
523 | [ENETRESET] = TARGET_ENETRESET, | |
524 | [ECONNABORTED] = TARGET_ECONNABORTED, | |
525 | [ECONNRESET] = TARGET_ECONNRESET, | |
526 | [ENOBUFS] = TARGET_ENOBUFS, | |
527 | [EISCONN] = TARGET_EISCONN, | |
528 | [ENOTCONN] = TARGET_ENOTCONN, | |
529 | [EUCLEAN] = TARGET_EUCLEAN, | |
530 | [ENOTNAM] = TARGET_ENOTNAM, | |
531 | [ENAVAIL] = TARGET_ENAVAIL, | |
532 | [EISNAM] = TARGET_EISNAM, | |
533 | [EREMOTEIO] = TARGET_EREMOTEIO, | |
534 | [ESHUTDOWN] = TARGET_ESHUTDOWN, | |
535 | [ETOOMANYREFS] = TARGET_ETOOMANYREFS, | |
536 | [ETIMEDOUT] = TARGET_ETIMEDOUT, | |
537 | [ECONNREFUSED] = TARGET_ECONNREFUSED, | |
538 | [EHOSTDOWN] = TARGET_EHOSTDOWN, | |
539 | [EHOSTUNREACH] = TARGET_EHOSTUNREACH, | |
540 | [EALREADY] = TARGET_EALREADY, | |
541 | [EINPROGRESS] = TARGET_EINPROGRESS, | |
542 | [ESTALE] = TARGET_ESTALE, | |
543 | [ECANCELED] = TARGET_ECANCELED, | |
544 | [ENOMEDIUM] = TARGET_ENOMEDIUM, | |
545 | [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE, | |
b7fe5db7 | 546 | #ifdef ENOKEY |
637947f1 | 547 | [ENOKEY] = TARGET_ENOKEY, |
b7fe5db7 TS |
548 | #endif |
549 | #ifdef EKEYEXPIRED | |
637947f1 | 550 | [EKEYEXPIRED] = TARGET_EKEYEXPIRED, |
b7fe5db7 TS |
551 | #endif |
552 | #ifdef EKEYREVOKED | |
637947f1 | 553 | [EKEYREVOKED] = TARGET_EKEYREVOKED, |
b7fe5db7 TS |
554 | #endif |
555 | #ifdef EKEYREJECTED | |
637947f1 | 556 | [EKEYREJECTED] = TARGET_EKEYREJECTED, |
b7fe5db7 TS |
557 | #endif |
558 | #ifdef EOWNERDEAD | |
637947f1 | 559 | [EOWNERDEAD] = TARGET_EOWNERDEAD, |
b7fe5db7 TS |
560 | #endif |
561 | #ifdef ENOTRECOVERABLE | |
637947f1 | 562 | [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE, |
b7fe5db7 | 563 | #endif |
b92c47c1 | 564 | }; |
637947f1 TS |
565 | |
566 | static inline int host_to_target_errno(int err) | |
567 | { | |
568 | if(host_to_target_errno_table[err]) | |
569 | return host_to_target_errno_table[err]; | |
570 | return err; | |
571 | } | |
572 | ||
b92c47c1 TS |
573 | static inline int target_to_host_errno(int err) |
574 | { | |
575 | if (target_to_host_errno_table[err]) | |
576 | return target_to_host_errno_table[err]; | |
577 | return err; | |
578 | } | |
579 | ||
992f48a0 | 580 | static inline abi_long get_errno(abi_long ret) |
31e31b8a FB |
581 | { |
582 | if (ret == -1) | |
637947f1 | 583 | return -host_to_target_errno(errno); |
31e31b8a FB |
584 | else |
585 | return ret; | |
586 | } | |
587 | ||
992f48a0 | 588 | static inline int is_error(abi_long ret) |
31e31b8a | 589 | { |
992f48a0 | 590 | return (abi_ulong)ret >= (abi_ulong)(-4096); |
31e31b8a FB |
591 | } |
592 | ||
b92c47c1 TS |
593 | char *target_strerror(int err) |
594 | { | |
962b289e AG |
595 | if ((err >= ERRNO_TABLE_SIZE) || (err < 0)) { |
596 | return NULL; | |
597 | } | |
b92c47c1 TS |
598 | return strerror(target_to_host_errno(err)); |
599 | } | |
600 | ||
992f48a0 BS |
601 | static abi_ulong target_brk; |
602 | static abi_ulong target_original_brk; | |
4d1de87c | 603 | static abi_ulong brk_page; |
31e31b8a | 604 | |
992f48a0 | 605 | void target_set_brk(abi_ulong new_brk) |
31e31b8a | 606 | { |
4c1de73d | 607 | target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk); |
4d1de87c | 608 | brk_page = HOST_PAGE_ALIGN(target_brk); |
31e31b8a FB |
609 | } |
610 | ||
4d1de87c CV |
611 | //#define DEBUGF_BRK(message, args...) do { fprintf(stderr, (message), ## args); } while (0) |
612 | #define DEBUGF_BRK(message, args...) | |
613 | ||
0da46a6e | 614 | /* do_brk() must return target values and target errnos. */ |
992f48a0 | 615 | abi_long do_brk(abi_ulong new_brk) |
31e31b8a | 616 | { |
992f48a0 | 617 | abi_long mapped_addr; |
31e31b8a FB |
618 | int new_alloc_size; |
619 | ||
3a0c6c4a | 620 | DEBUGF_BRK("do_brk(" TARGET_ABI_FMT_lx ") -> ", new_brk); |
4d1de87c CV |
621 | |
622 | if (!new_brk) { | |
3a0c6c4a | 623 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (!new_brk)\n", target_brk); |
53a5960a | 624 | return target_brk; |
4d1de87c CV |
625 | } |
626 | if (new_brk < target_original_brk) { | |
3a0c6c4a PB |
627 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk < target_original_brk)\n", |
628 | target_brk); | |
7ab240ad | 629 | return target_brk; |
4d1de87c | 630 | } |
3b46e624 | 631 | |
4d1de87c CV |
632 | /* If the new brk is less than the highest page reserved to the |
633 | * target heap allocation, set it and we're almost done... */ | |
634 | if (new_brk <= brk_page) { | |
635 | /* Heap contents are initialized to zero, as for anonymous | |
636 | * mapped pages. */ | |
637 | if (new_brk > target_brk) { | |
638 | memset(g2h(target_brk), 0, new_brk - target_brk); | |
639 | } | |
31e31b8a | 640 | target_brk = new_brk; |
3a0c6c4a | 641 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (new_brk <= brk_page)\n", target_brk); |
53a5960a | 642 | return target_brk; |
31e31b8a FB |
643 | } |
644 | ||
00faf08c PM |
645 | /* We need to allocate more memory after the brk... Note that |
646 | * we don't use MAP_FIXED because that will map over the top of | |
647 | * any existing mapping (like the one with the host libc or qemu | |
648 | * itself); instead we treat "mapped but at wrong address" as | |
649 | * a failure and unmap again. | |
650 | */ | |
4d1de87c | 651 | new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page); |
5fafdf24 | 652 | mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size, |
54936004 | 653 | PROT_READ|PROT_WRITE, |
00faf08c PM |
654 | MAP_ANON|MAP_PRIVATE, 0, 0)); |
655 | ||
656 | if (mapped_addr == brk_page) { | |
70afc343 CV |
657 | /* Heap contents are initialized to zero, as for anonymous |
658 | * mapped pages. Technically the new pages are already | |
659 | * initialized to zero since they *are* anonymous mapped | |
660 | * pages, however we have to take care with the contents that | |
661 | * come from the remaining part of the previous page: it may | |
662 | * contains garbage data due to a previous heap usage (grown | |
663 | * then shrunken). */ | |
664 | memset(g2h(target_brk), 0, brk_page - target_brk); | |
665 | ||
00faf08c | 666 | target_brk = new_brk; |
4d1de87c | 667 | brk_page = HOST_PAGE_ALIGN(target_brk); |
3a0c6c4a PB |
668 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr == brk_page)\n", |
669 | target_brk); | |
00faf08c PM |
670 | return target_brk; |
671 | } else if (mapped_addr != -1) { | |
672 | /* Mapped but at wrong address, meaning there wasn't actually | |
673 | * enough space for this brk. | |
674 | */ | |
675 | target_munmap(mapped_addr, new_alloc_size); | |
676 | mapped_addr = -1; | |
3a0c6c4a | 677 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (mapped_addr != -1)\n", target_brk); |
4d1de87c CV |
678 | } |
679 | else { | |
3a0c6c4a | 680 | DEBUGF_BRK(TARGET_ABI_FMT_lx " (otherwise)\n", target_brk); |
00faf08c | 681 | } |
7ab240ad | 682 | |
7dd46c02 RH |
683 | #if defined(TARGET_ALPHA) |
684 | /* We (partially) emulate OSF/1 on Alpha, which requires we | |
685 | return a proper errno, not an unchanged brk value. */ | |
00faf08c | 686 | return -TARGET_ENOMEM; |
7dd46c02 | 687 | #endif |
00faf08c | 688 | /* For everything else, return the previous break. */ |
7ab240ad | 689 | return target_brk; |
31e31b8a FB |
690 | } |
691 | ||
26edcf41 TS |
692 | static inline abi_long copy_from_user_fdset(fd_set *fds, |
693 | abi_ulong target_fds_addr, | |
694 | int n) | |
31e31b8a | 695 | { |
26edcf41 TS |
696 | int i, nw, j, k; |
697 | abi_ulong b, *target_fds; | |
698 | ||
699 | nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; | |
700 | if (!(target_fds = lock_user(VERIFY_READ, | |
701 | target_fds_addr, | |
702 | sizeof(abi_ulong) * nw, | |
703 | 1))) | |
704 | return -TARGET_EFAULT; | |
705 | ||
706 | FD_ZERO(fds); | |
707 | k = 0; | |
708 | for (i = 0; i < nw; i++) { | |
709 | /* grab the abi_ulong */ | |
710 | __get_user(b, &target_fds[i]); | |
711 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
712 | /* check the bit inside the abi_ulong */ | |
713 | if ((b >> j) & 1) | |
714 | FD_SET(k, fds); | |
715 | k++; | |
31e31b8a | 716 | } |
31e31b8a | 717 | } |
26edcf41 TS |
718 | |
719 | unlock_user(target_fds, target_fds_addr, 0); | |
720 | ||
721 | return 0; | |
31e31b8a FB |
722 | } |
723 | ||
055e0906 MF |
724 | static inline abi_ulong copy_from_user_fdset_ptr(fd_set *fds, fd_set **fds_ptr, |
725 | abi_ulong target_fds_addr, | |
726 | int n) | |
727 | { | |
728 | if (target_fds_addr) { | |
729 | if (copy_from_user_fdset(fds, target_fds_addr, n)) | |
730 | return -TARGET_EFAULT; | |
731 | *fds_ptr = fds; | |
732 | } else { | |
733 | *fds_ptr = NULL; | |
734 | } | |
735 | return 0; | |
736 | } | |
737 | ||
26edcf41 TS |
738 | static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr, |
739 | const fd_set *fds, | |
740 | int n) | |
31e31b8a | 741 | { |
31e31b8a | 742 | int i, nw, j, k; |
992f48a0 | 743 | abi_long v; |
26edcf41 | 744 | abi_ulong *target_fds; |
31e31b8a | 745 | |
26edcf41 TS |
746 | nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS; |
747 | if (!(target_fds = lock_user(VERIFY_WRITE, | |
748 | target_fds_addr, | |
749 | sizeof(abi_ulong) * nw, | |
750 | 0))) | |
751 | return -TARGET_EFAULT; | |
752 | ||
753 | k = 0; | |
754 | for (i = 0; i < nw; i++) { | |
755 | v = 0; | |
756 | for (j = 0; j < TARGET_ABI_BITS; j++) { | |
9ab709be | 757 | v |= ((abi_ulong)(FD_ISSET(k, fds) != 0) << j); |
26edcf41 | 758 | k++; |
31e31b8a | 759 | } |
26edcf41 | 760 | __put_user(v, &target_fds[i]); |
31e31b8a | 761 | } |
26edcf41 TS |
762 | |
763 | unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw); | |
764 | ||
765 | return 0; | |
31e31b8a FB |
766 | } |
767 | ||
c596ed17 FB |
768 | #if defined(__alpha__) |
769 | #define HOST_HZ 1024 | |
770 | #else | |
771 | #define HOST_HZ 100 | |
772 | #endif | |
773 | ||
992f48a0 | 774 | static inline abi_long host_to_target_clock_t(long ticks) |
c596ed17 FB |
775 | { |
776 | #if HOST_HZ == TARGET_HZ | |
777 | return ticks; | |
778 | #else | |
779 | return ((int64_t)ticks * TARGET_HZ) / HOST_HZ; | |
780 | #endif | |
781 | } | |
782 | ||
579a97f7 FB |
783 | static inline abi_long host_to_target_rusage(abi_ulong target_addr, |
784 | const struct rusage *rusage) | |
b409186b | 785 | { |
53a5960a PB |
786 | struct target_rusage *target_rusage; |
787 | ||
579a97f7 FB |
788 | if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0)) |
789 | return -TARGET_EFAULT; | |
cbb21eed MB |
790 | target_rusage->ru_utime.tv_sec = tswapal(rusage->ru_utime.tv_sec); |
791 | target_rusage->ru_utime.tv_usec = tswapal(rusage->ru_utime.tv_usec); | |
792 | target_rusage->ru_stime.tv_sec = tswapal(rusage->ru_stime.tv_sec); | |
793 | target_rusage->ru_stime.tv_usec = tswapal(rusage->ru_stime.tv_usec); | |
794 | target_rusage->ru_maxrss = tswapal(rusage->ru_maxrss); | |
795 | target_rusage->ru_ixrss = tswapal(rusage->ru_ixrss); | |
796 | target_rusage->ru_idrss = tswapal(rusage->ru_idrss); | |
797 | target_rusage->ru_isrss = tswapal(rusage->ru_isrss); | |
798 | target_rusage->ru_minflt = tswapal(rusage->ru_minflt); | |
799 | target_rusage->ru_majflt = tswapal(rusage->ru_majflt); | |
800 | target_rusage->ru_nswap = tswapal(rusage->ru_nswap); | |
801 | target_rusage->ru_inblock = tswapal(rusage->ru_inblock); | |
802 | target_rusage->ru_oublock = tswapal(rusage->ru_oublock); | |
803 | target_rusage->ru_msgsnd = tswapal(rusage->ru_msgsnd); | |
804 | target_rusage->ru_msgrcv = tswapal(rusage->ru_msgrcv); | |
805 | target_rusage->ru_nsignals = tswapal(rusage->ru_nsignals); | |
806 | target_rusage->ru_nvcsw = tswapal(rusage->ru_nvcsw); | |
807 | target_rusage->ru_nivcsw = tswapal(rusage->ru_nivcsw); | |
53a5960a | 808 | unlock_user_struct(target_rusage, target_addr, 1); |
579a97f7 FB |
809 | |
810 | return 0; | |
b409186b FB |
811 | } |
812 | ||
cbb21eed | 813 | static inline rlim_t target_to_host_rlim(abi_ulong target_rlim) |
81bbe906 | 814 | { |
cbb21eed | 815 | abi_ulong target_rlim_swap; |
95b33b2f WT |
816 | rlim_t result; |
817 | ||
cbb21eed MB |
818 | target_rlim_swap = tswapal(target_rlim); |
819 | if (target_rlim_swap == TARGET_RLIM_INFINITY) | |
820 | return RLIM_INFINITY; | |
821 | ||
822 | result = target_rlim_swap; | |
823 | if (target_rlim_swap != (rlim_t)result) | |
824 | return RLIM_INFINITY; | |
95b33b2f WT |
825 | |
826 | return result; | |
81bbe906 TY |
827 | } |
828 | ||
cbb21eed | 829 | static inline abi_ulong host_to_target_rlim(rlim_t rlim) |
81bbe906 | 830 | { |
cbb21eed MB |
831 | abi_ulong target_rlim_swap; |
832 | abi_ulong result; | |
95b33b2f | 833 | |
cbb21eed | 834 | if (rlim == RLIM_INFINITY || rlim != (abi_long)rlim) |
95b33b2f | 835 | target_rlim_swap = TARGET_RLIM_INFINITY; |
81bbe906 | 836 | else |
95b33b2f | 837 | target_rlim_swap = rlim; |
cbb21eed | 838 | result = tswapal(target_rlim_swap); |
95b33b2f WT |
839 | |
840 | return result; | |
81bbe906 TY |
841 | } |
842 | ||
e22b7015 WT |
843 | static inline int target_to_host_resource(int code) |
844 | { | |
845 | switch (code) { | |
846 | case TARGET_RLIMIT_AS: | |
847 | return RLIMIT_AS; | |
848 | case TARGET_RLIMIT_CORE: | |
849 | return RLIMIT_CORE; | |
850 | case TARGET_RLIMIT_CPU: | |
851 | return RLIMIT_CPU; | |
852 | case TARGET_RLIMIT_DATA: | |
853 | return RLIMIT_DATA; | |
854 | case TARGET_RLIMIT_FSIZE: | |
855 | return RLIMIT_FSIZE; | |
856 | case TARGET_RLIMIT_LOCKS: | |
857 | return RLIMIT_LOCKS; | |
858 | case TARGET_RLIMIT_MEMLOCK: | |
859 | return RLIMIT_MEMLOCK; | |
860 | case TARGET_RLIMIT_MSGQUEUE: | |
861 | return RLIMIT_MSGQUEUE; | |
862 | case TARGET_RLIMIT_NICE: | |
863 | return RLIMIT_NICE; | |
864 | case TARGET_RLIMIT_NOFILE: | |
865 | return RLIMIT_NOFILE; | |
866 | case TARGET_RLIMIT_NPROC: | |
867 | return RLIMIT_NPROC; | |
868 | case TARGET_RLIMIT_RSS: | |
869 | return RLIMIT_RSS; | |
870 | case TARGET_RLIMIT_RTPRIO: | |
871 | return RLIMIT_RTPRIO; | |
872 | case TARGET_RLIMIT_SIGPENDING: | |
873 | return RLIMIT_SIGPENDING; | |
874 | case TARGET_RLIMIT_STACK: | |
875 | return RLIMIT_STACK; | |
876 | default: | |
877 | return code; | |
878 | } | |
879 | } | |
880 | ||
788f5ec4 TS |
881 | static inline abi_long copy_from_user_timeval(struct timeval *tv, |
882 | abi_ulong target_tv_addr) | |
31e31b8a | 883 | { |
53a5960a PB |
884 | struct target_timeval *target_tv; |
885 | ||
788f5ec4 | 886 | if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1)) |
579a97f7 | 887 | return -TARGET_EFAULT; |
788f5ec4 TS |
888 | |
889 | __get_user(tv->tv_sec, &target_tv->tv_sec); | |
890 | __get_user(tv->tv_usec, &target_tv->tv_usec); | |
891 | ||
892 | unlock_user_struct(target_tv, target_tv_addr, 0); | |
579a97f7 FB |
893 | |
894 | return 0; | |
31e31b8a FB |
895 | } |
896 | ||
788f5ec4 TS |
897 | static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr, |
898 | const struct timeval *tv) | |
31e31b8a | 899 | { |
53a5960a PB |
900 | struct target_timeval *target_tv; |
901 | ||
788f5ec4 | 902 | if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0)) |
579a97f7 | 903 | return -TARGET_EFAULT; |
788f5ec4 TS |
904 | |
905 | __put_user(tv->tv_sec, &target_tv->tv_sec); | |
906 | __put_user(tv->tv_usec, &target_tv->tv_usec); | |
907 | ||
908 | unlock_user_struct(target_tv, target_tv_addr, 1); | |
579a97f7 FB |
909 | |
910 | return 0; | |
31e31b8a FB |
911 | } |
912 | ||
8ec9cf89 NF |
913 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
914 | #include <mqueue.h> | |
915 | ||
24e1003a AJ |
916 | static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr, |
917 | abi_ulong target_mq_attr_addr) | |
918 | { | |
919 | struct target_mq_attr *target_mq_attr; | |
920 | ||
921 | if (!lock_user_struct(VERIFY_READ, target_mq_attr, | |
922 | target_mq_attr_addr, 1)) | |
923 | return -TARGET_EFAULT; | |
924 | ||
925 | __get_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
926 | __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
927 | __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
928 | __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
929 | ||
930 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0); | |
931 | ||
932 | return 0; | |
933 | } | |
934 | ||
935 | static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr, | |
936 | const struct mq_attr *attr) | |
937 | { | |
938 | struct target_mq_attr *target_mq_attr; | |
939 | ||
940 | if (!lock_user_struct(VERIFY_WRITE, target_mq_attr, | |
941 | target_mq_attr_addr, 0)) | |
942 | return -TARGET_EFAULT; | |
943 | ||
944 | __put_user(attr->mq_flags, &target_mq_attr->mq_flags); | |
945 | __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg); | |
946 | __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize); | |
947 | __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs); | |
948 | ||
949 | unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1); | |
950 | ||
951 | return 0; | |
952 | } | |
8ec9cf89 | 953 | #endif |
31e31b8a | 954 | |
055e0906 | 955 | #if defined(TARGET_NR_select) || defined(TARGET_NR__newselect) |
0da46a6e | 956 | /* do_select() must return target values and target errnos. */ |
992f48a0 | 957 | static abi_long do_select(int n, |
26edcf41 TS |
958 | abi_ulong rfd_addr, abi_ulong wfd_addr, |
959 | abi_ulong efd_addr, abi_ulong target_tv_addr) | |
31e31b8a FB |
960 | { |
961 | fd_set rfds, wfds, efds; | |
962 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
963 | struct timeval tv, *tv_ptr; | |
992f48a0 | 964 | abi_long ret; |
31e31b8a | 965 | |
055e0906 MF |
966 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); |
967 | if (ret) { | |
968 | return ret; | |
53a5960a | 969 | } |
055e0906 MF |
970 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); |
971 | if (ret) { | |
972 | return ret; | |
53a5960a | 973 | } |
055e0906 MF |
974 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); |
975 | if (ret) { | |
976 | return ret; | |
53a5960a | 977 | } |
3b46e624 | 978 | |
26edcf41 | 979 | if (target_tv_addr) { |
788f5ec4 TS |
980 | if (copy_from_user_timeval(&tv, target_tv_addr)) |
981 | return -TARGET_EFAULT; | |
31e31b8a FB |
982 | tv_ptr = &tv; |
983 | } else { | |
984 | tv_ptr = NULL; | |
985 | } | |
26edcf41 | 986 | |
31e31b8a | 987 | ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr)); |
53a5960a | 988 | |
26edcf41 TS |
989 | if (!is_error(ret)) { |
990 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
991 | return -TARGET_EFAULT; | |
992 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
993 | return -TARGET_EFAULT; | |
994 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
995 | return -TARGET_EFAULT; | |
31e31b8a | 996 | |
788f5ec4 TS |
997 | if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv)) |
998 | return -TARGET_EFAULT; | |
31e31b8a | 999 | } |
579a97f7 | 1000 | |
31e31b8a FB |
1001 | return ret; |
1002 | } | |
055e0906 | 1003 | #endif |
31e31b8a | 1004 | |
099d6b0f RV |
1005 | static abi_long do_pipe2(int host_pipe[], int flags) |
1006 | { | |
1007 | #ifdef CONFIG_PIPE2 | |
1008 | return pipe2(host_pipe, flags); | |
1009 | #else | |
1010 | return -ENOSYS; | |
1011 | #endif | |
1012 | } | |
1013 | ||
fb41a66e RH |
1014 | static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, |
1015 | int flags, int is_pipe2) | |
099d6b0f RV |
1016 | { |
1017 | int host_pipe[2]; | |
1018 | abi_long ret; | |
1019 | ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe); | |
1020 | ||
1021 | if (is_error(ret)) | |
1022 | return get_errno(ret); | |
fb41a66e RH |
1023 | |
1024 | /* Several targets have special calling conventions for the original | |
1025 | pipe syscall, but didn't replicate this into the pipe2 syscall. */ | |
1026 | if (!is_pipe2) { | |
1027 | #if defined(TARGET_ALPHA) | |
1028 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1]; | |
1029 | return host_pipe[0]; | |
1030 | #elif defined(TARGET_MIPS) | |
1031 | ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1]; | |
1032 | return host_pipe[0]; | |
1033 | #elif defined(TARGET_SH4) | |
597c0212 | 1034 | ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1]; |
fb41a66e | 1035 | return host_pipe[0]; |
82f05b69 PM |
1036 | #elif defined(TARGET_SPARC) |
1037 | ((CPUSPARCState*)cpu_env)->regwptr[1] = host_pipe[1]; | |
1038 | return host_pipe[0]; | |
597c0212 | 1039 | #endif |
fb41a66e RH |
1040 | } |
1041 | ||
099d6b0f RV |
1042 | if (put_user_s32(host_pipe[0], pipedes) |
1043 | || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0]))) | |
1044 | return -TARGET_EFAULT; | |
099d6b0f RV |
1045 | return get_errno(ret); |
1046 | } | |
1047 | ||
b975b83b LL |
1048 | static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn, |
1049 | abi_ulong target_addr, | |
1050 | socklen_t len) | |
1051 | { | |
1052 | struct target_ip_mreqn *target_smreqn; | |
1053 | ||
1054 | target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1); | |
1055 | if (!target_smreqn) | |
1056 | return -TARGET_EFAULT; | |
1057 | mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr; | |
1058 | mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr; | |
1059 | if (len == sizeof(struct target_ip_mreqn)) | |
cbb21eed | 1060 | mreqn->imr_ifindex = tswapal(target_smreqn->imr_ifindex); |
b975b83b LL |
1061 | unlock_user(target_smreqn, target_addr, 0); |
1062 | ||
1063 | return 0; | |
1064 | } | |
1065 | ||
579a97f7 FB |
1066 | static inline abi_long target_to_host_sockaddr(struct sockaddr *addr, |
1067 | abi_ulong target_addr, | |
1068 | socklen_t len) | |
7854b056 | 1069 | { |
607175e0 AJ |
1070 | const socklen_t unix_maxlen = sizeof (struct sockaddr_un); |
1071 | sa_family_t sa_family; | |
53a5960a PB |
1072 | struct target_sockaddr *target_saddr; |
1073 | ||
579a97f7 FB |
1074 | target_saddr = lock_user(VERIFY_READ, target_addr, len, 1); |
1075 | if (!target_saddr) | |
1076 | return -TARGET_EFAULT; | |
607175e0 AJ |
1077 | |
1078 | sa_family = tswap16(target_saddr->sa_family); | |
1079 | ||
1080 | /* Oops. The caller might send a incomplete sun_path; sun_path | |
1081 | * must be terminated by \0 (see the manual page), but | |
1082 | * unfortunately it is quite common to specify sockaddr_un | |
1083 | * length as "strlen(x->sun_path)" while it should be | |
1084 | * "strlen(...) + 1". We'll fix that here if needed. | |
1085 | * Linux kernel has a similar feature. | |
1086 | */ | |
1087 | ||
1088 | if (sa_family == AF_UNIX) { | |
1089 | if (len < unix_maxlen && len > 0) { | |
1090 | char *cp = (char*)target_saddr; | |
1091 | ||
1092 | if ( cp[len-1] && !cp[len] ) | |
1093 | len++; | |
1094 | } | |
1095 | if (len > unix_maxlen) | |
1096 | len = unix_maxlen; | |
1097 | } | |
1098 | ||
53a5960a | 1099 | memcpy(addr, target_saddr, len); |
607175e0 | 1100 | addr->sa_family = sa_family; |
53a5960a | 1101 | unlock_user(target_saddr, target_addr, 0); |
579a97f7 FB |
1102 | |
1103 | return 0; | |
7854b056 FB |
1104 | } |
1105 | ||
579a97f7 FB |
1106 | static inline abi_long host_to_target_sockaddr(abi_ulong target_addr, |
1107 | struct sockaddr *addr, | |
1108 | socklen_t len) | |
7854b056 | 1109 | { |
53a5960a PB |
1110 | struct target_sockaddr *target_saddr; |
1111 | ||
579a97f7 FB |
1112 | target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0); |
1113 | if (!target_saddr) | |
1114 | return -TARGET_EFAULT; | |
53a5960a PB |
1115 | memcpy(target_saddr, addr, len); |
1116 | target_saddr->sa_family = tswap16(addr->sa_family); | |
1117 | unlock_user(target_saddr, target_addr, len); | |
579a97f7 FB |
1118 | |
1119 | return 0; | |
7854b056 FB |
1120 | } |
1121 | ||
5a4a898d FB |
1122 | static inline abi_long target_to_host_cmsg(struct msghdr *msgh, |
1123 | struct target_msghdr *target_msgh) | |
7854b056 FB |
1124 | { |
1125 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1126 | abi_long msg_controllen; |
1127 | abi_ulong target_cmsg_addr; | |
1128 | struct target_cmsghdr *target_cmsg; | |
7854b056 | 1129 | socklen_t space = 0; |
5a4a898d | 1130 | |
cbb21eed | 1131 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1132 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1133 | goto the_end; | |
cbb21eed | 1134 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d FB |
1135 | target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1); |
1136 | if (!target_cmsg) | |
1137 | return -TARGET_EFAULT; | |
7854b056 FB |
1138 | |
1139 | while (cmsg && target_cmsg) { | |
1140 | void *data = CMSG_DATA(cmsg); | |
1141 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1142 | ||
cbb21eed | 1143 | int len = tswapal(target_cmsg->cmsg_len) |
7854b056 FB |
1144 | - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr)); |
1145 | ||
1146 | space += CMSG_SPACE(len); | |
1147 | if (space > msgh->msg_controllen) { | |
1148 | space -= CMSG_SPACE(len); | |
31febb71 | 1149 | gemu_log("Host cmsg overflow\n"); |
7854b056 FB |
1150 | break; |
1151 | } | |
1152 | ||
dbf4f796 PJ |
1153 | if (tswap32(target_cmsg->cmsg_level) == TARGET_SOL_SOCKET) { |
1154 | cmsg->cmsg_level = SOL_SOCKET; | |
1155 | } else { | |
1156 | cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level); | |
1157 | } | |
7854b056 FB |
1158 | cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type); |
1159 | cmsg->cmsg_len = CMSG_LEN(len); | |
1160 | ||
dbf4f796 | 1161 | if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) { |
7854b056 FB |
1162 | gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type); |
1163 | memcpy(data, target_data, len); | |
1164 | } else { | |
1165 | int *fd = (int *)data; | |
1166 | int *target_fd = (int *)target_data; | |
1167 | int i, numfds = len / sizeof(int); | |
1168 | ||
1169 | for (i = 0; i < numfds; i++) | |
1170 | fd[i] = tswap32(target_fd[i]); | |
1171 | } | |
1172 | ||
1173 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
1174 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); | |
1175 | } | |
5a4a898d FB |
1176 | unlock_user(target_cmsg, target_cmsg_addr, 0); |
1177 | the_end: | |
7854b056 | 1178 | msgh->msg_controllen = space; |
5a4a898d | 1179 | return 0; |
7854b056 FB |
1180 | } |
1181 | ||
5a4a898d FB |
1182 | static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh, |
1183 | struct msghdr *msgh) | |
7854b056 FB |
1184 | { |
1185 | struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh); | |
5a4a898d FB |
1186 | abi_long msg_controllen; |
1187 | abi_ulong target_cmsg_addr; | |
1188 | struct target_cmsghdr *target_cmsg; | |
7854b056 FB |
1189 | socklen_t space = 0; |
1190 | ||
cbb21eed | 1191 | msg_controllen = tswapal(target_msgh->msg_controllen); |
5a4a898d FB |
1192 | if (msg_controllen < sizeof (struct target_cmsghdr)) |
1193 | goto the_end; | |
cbb21eed | 1194 | target_cmsg_addr = tswapal(target_msgh->msg_control); |
5a4a898d FB |
1195 | target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0); |
1196 | if (!target_cmsg) | |
1197 | return -TARGET_EFAULT; | |
1198 | ||
7854b056 FB |
1199 | while (cmsg && target_cmsg) { |
1200 | void *data = CMSG_DATA(cmsg); | |
1201 | void *target_data = TARGET_CMSG_DATA(target_cmsg); | |
1202 | ||
1203 | int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr)); | |
1204 | ||
1205 | space += TARGET_CMSG_SPACE(len); | |
5a4a898d | 1206 | if (space > msg_controllen) { |
7854b056 | 1207 | space -= TARGET_CMSG_SPACE(len); |
31febb71 | 1208 | gemu_log("Target cmsg overflow\n"); |
7854b056 FB |
1209 | break; |
1210 | } | |
1211 | ||
dbf4f796 PJ |
1212 | if (cmsg->cmsg_level == SOL_SOCKET) { |
1213 | target_cmsg->cmsg_level = tswap32(TARGET_SOL_SOCKET); | |
1214 | } else { | |
1215 | target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level); | |
1216 | } | |
7854b056 | 1217 | target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type); |
cbb21eed | 1218 | target_cmsg->cmsg_len = tswapal(TARGET_CMSG_LEN(len)); |
7854b056 | 1219 | |
dbf4f796 | 1220 | if ((cmsg->cmsg_level == SOL_SOCKET) && |
aebf5bc7 | 1221 | (cmsg->cmsg_type == SCM_RIGHTS)) { |
7854b056 FB |
1222 | int *fd = (int *)data; |
1223 | int *target_fd = (int *)target_data; | |
1224 | int i, numfds = len / sizeof(int); | |
1225 | ||
1226 | for (i = 0; i < numfds; i++) | |
1227 | target_fd[i] = tswap32(fd[i]); | |
dbf4f796 | 1228 | } else if ((cmsg->cmsg_level == SOL_SOCKET) && |
aebf5bc7 JH |
1229 | (cmsg->cmsg_type == SO_TIMESTAMP) && |
1230 | (len == sizeof(struct timeval))) { | |
1231 | /* copy struct timeval to target */ | |
1232 | struct timeval *tv = (struct timeval *)data; | |
1233 | struct target_timeval *target_tv = | |
1234 | (struct target_timeval *)target_data; | |
1235 | ||
1236 | target_tv->tv_sec = tswapal(tv->tv_sec); | |
1237 | target_tv->tv_usec = tswapal(tv->tv_usec); | |
1238 | } else { | |
1239 | gemu_log("Unsupported ancillary data: %d/%d\n", | |
1240 | cmsg->cmsg_level, cmsg->cmsg_type); | |
1241 | memcpy(target_data, data, len); | |
7854b056 FB |
1242 | } |
1243 | ||
1244 | cmsg = CMSG_NXTHDR(msgh, cmsg); | |
1245 | target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg); | |
1246 | } | |
5a4a898d FB |
1247 | unlock_user(target_cmsg, target_cmsg_addr, space); |
1248 | the_end: | |
cbb21eed | 1249 | target_msgh->msg_controllen = tswapal(space); |
5a4a898d | 1250 | return 0; |
7854b056 FB |
1251 | } |
1252 | ||
0da46a6e | 1253 | /* do_setsockopt() Must return target values and target errnos. */ |
992f48a0 | 1254 | static abi_long do_setsockopt(int sockfd, int level, int optname, |
2f619698 | 1255 | abi_ulong optval_addr, socklen_t optlen) |
7854b056 | 1256 | { |
992f48a0 | 1257 | abi_long ret; |
32407103 | 1258 | int val; |
b975b83b | 1259 | struct ip_mreqn *ip_mreq; |
6e3cb58f | 1260 | struct ip_mreq_source *ip_mreq_source; |
3b46e624 | 1261 | |
8853f86e FB |
1262 | switch(level) { |
1263 | case SOL_TCP: | |
7854b056 | 1264 | /* TCP options all take an 'int' value. */ |
7854b056 | 1265 | if (optlen < sizeof(uint32_t)) |
0da46a6e | 1266 | return -TARGET_EINVAL; |
3b46e624 | 1267 | |
2f619698 FB |
1268 | if (get_user_u32(val, optval_addr)) |
1269 | return -TARGET_EFAULT; | |
8853f86e FB |
1270 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); |
1271 | break; | |
1272 | case SOL_IP: | |
1273 | switch(optname) { | |
2efbe911 FB |
1274 | case IP_TOS: |
1275 | case IP_TTL: | |
8853f86e | 1276 | case IP_HDRINCL: |
2efbe911 FB |
1277 | case IP_ROUTER_ALERT: |
1278 | case IP_RECVOPTS: | |
1279 | case IP_RETOPTS: | |
1280 | case IP_PKTINFO: | |
1281 | case IP_MTU_DISCOVER: | |
1282 | case IP_RECVERR: | |
1283 | case IP_RECVTOS: | |
1284 | #ifdef IP_FREEBIND | |
1285 | case IP_FREEBIND: | |
1286 | #endif | |
1287 | case IP_MULTICAST_TTL: | |
1288 | case IP_MULTICAST_LOOP: | |
8853f86e FB |
1289 | val = 0; |
1290 | if (optlen >= sizeof(uint32_t)) { | |
2f619698 FB |
1291 | if (get_user_u32(val, optval_addr)) |
1292 | return -TARGET_EFAULT; | |
8853f86e | 1293 | } else if (optlen >= 1) { |
2f619698 FB |
1294 | if (get_user_u8(val, optval_addr)) |
1295 | return -TARGET_EFAULT; | |
8853f86e FB |
1296 | } |
1297 | ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val))); | |
1298 | break; | |
b975b83b LL |
1299 | case IP_ADD_MEMBERSHIP: |
1300 | case IP_DROP_MEMBERSHIP: | |
1301 | if (optlen < sizeof (struct target_ip_mreq) || | |
1302 | optlen > sizeof (struct target_ip_mreqn)) | |
1303 | return -TARGET_EINVAL; | |
1304 | ||
1305 | ip_mreq = (struct ip_mreqn *) alloca(optlen); | |
1306 | target_to_host_ip_mreq(ip_mreq, optval_addr, optlen); | |
1307 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen)); | |
1308 | break; | |
1309 | ||
6e3cb58f LL |
1310 | case IP_BLOCK_SOURCE: |
1311 | case IP_UNBLOCK_SOURCE: | |
1312 | case IP_ADD_SOURCE_MEMBERSHIP: | |
1313 | case IP_DROP_SOURCE_MEMBERSHIP: | |
1314 | if (optlen != sizeof (struct target_ip_mreq_source)) | |
1315 | return -TARGET_EINVAL; | |
1316 | ||
1317 | ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1); | |
1318 | ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen)); | |
1319 | unlock_user (ip_mreq_source, optval_addr, 0); | |
1320 | break; | |
1321 | ||
920394db JH |
1322 | default: |
1323 | goto unimplemented; | |
1324 | } | |
1325 | break; | |
0d78b3b5 LV |
1326 | case SOL_IPV6: |
1327 | switch (optname) { | |
1328 | case IPV6_MTU_DISCOVER: | |
1329 | case IPV6_MTU: | |
1330 | case IPV6_V6ONLY: | |
1331 | case IPV6_RECVPKTINFO: | |
1332 | val = 0; | |
1333 | if (optlen < sizeof(uint32_t)) { | |
1334 | return -TARGET_EINVAL; | |
1335 | } | |
1336 | if (get_user_u32(val, optval_addr)) { | |
1337 | return -TARGET_EFAULT; | |
1338 | } | |
1339 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1340 | &val, sizeof(val))); | |
1341 | break; | |
1342 | default: | |
1343 | goto unimplemented; | |
1344 | } | |
1345 | break; | |
920394db JH |
1346 | case SOL_RAW: |
1347 | switch (optname) { | |
1348 | case ICMP_FILTER: | |
1349 | /* struct icmp_filter takes an u32 value */ | |
1350 | if (optlen < sizeof(uint32_t)) { | |
1351 | return -TARGET_EINVAL; | |
1352 | } | |
1353 | ||
1354 | if (get_user_u32(val, optval_addr)) { | |
1355 | return -TARGET_EFAULT; | |
1356 | } | |
1357 | ret = get_errno(setsockopt(sockfd, level, optname, | |
1358 | &val, sizeof(val))); | |
1359 | break; | |
1360 | ||
8853f86e FB |
1361 | default: |
1362 | goto unimplemented; | |
1363 | } | |
1364 | break; | |
3532fa74 | 1365 | case TARGET_SOL_SOCKET: |
8853f86e | 1366 | switch (optname) { |
1b09aeb9 LV |
1367 | case TARGET_SO_RCVTIMEO: |
1368 | { | |
1369 | struct timeval tv; | |
1370 | ||
1371 | optname = SO_RCVTIMEO; | |
1372 | ||
1373 | set_timeout: | |
1374 | if (optlen != sizeof(struct target_timeval)) { | |
1375 | return -TARGET_EINVAL; | |
1376 | } | |
1377 | ||
1378 | if (copy_from_user_timeval(&tv, optval_addr)) { | |
1379 | return -TARGET_EFAULT; | |
1380 | } | |
1381 | ||
1382 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, | |
1383 | &tv, sizeof(tv))); | |
1384 | return ret; | |
1385 | } | |
1386 | case TARGET_SO_SNDTIMEO: | |
1387 | optname = SO_SNDTIMEO; | |
1388 | goto set_timeout; | |
f57d4192 LV |
1389 | case TARGET_SO_ATTACH_FILTER: |
1390 | { | |
1391 | struct target_sock_fprog *tfprog; | |
1392 | struct target_sock_filter *tfilter; | |
1393 | struct sock_fprog fprog; | |
1394 | struct sock_filter *filter; | |
1395 | int i; | |
1396 | ||
1397 | if (optlen != sizeof(*tfprog)) { | |
1398 | return -TARGET_EINVAL; | |
1399 | } | |
1400 | if (!lock_user_struct(VERIFY_READ, tfprog, optval_addr, 0)) { | |
1401 | return -TARGET_EFAULT; | |
1402 | } | |
1403 | if (!lock_user_struct(VERIFY_READ, tfilter, | |
1404 | tswapal(tfprog->filter), 0)) { | |
1405 | unlock_user_struct(tfprog, optval_addr, 1); | |
1406 | return -TARGET_EFAULT; | |
1407 | } | |
1408 | ||
1409 | fprog.len = tswap16(tfprog->len); | |
1410 | filter = malloc(fprog.len * sizeof(*filter)); | |
1411 | if (filter == NULL) { | |
1412 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
1413 | unlock_user_struct(tfprog, optval_addr, 1); | |
1414 | return -TARGET_ENOMEM; | |
1415 | } | |
1416 | for (i = 0; i < fprog.len; i++) { | |
1417 | filter[i].code = tswap16(tfilter[i].code); | |
1418 | filter[i].jt = tfilter[i].jt; | |
1419 | filter[i].jf = tfilter[i].jf; | |
1420 | filter[i].k = tswap32(tfilter[i].k); | |
1421 | } | |
1422 | fprog.filter = filter; | |
1423 | ||
1424 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, | |
1425 | SO_ATTACH_FILTER, &fprog, sizeof(fprog))); | |
1426 | free(filter); | |
1427 | ||
1428 | unlock_user_struct(tfilter, tfprog->filter, 1); | |
1429 | unlock_user_struct(tfprog, optval_addr, 1); | |
1430 | return ret; | |
1431 | } | |
8853f86e | 1432 | /* Options with 'int' argument. */ |
3532fa74 FB |
1433 | case TARGET_SO_DEBUG: |
1434 | optname = SO_DEBUG; | |
1435 | break; | |
1436 | case TARGET_SO_REUSEADDR: | |
1437 | optname = SO_REUSEADDR; | |
1438 | break; | |
1439 | case TARGET_SO_TYPE: | |
1440 | optname = SO_TYPE; | |
1441 | break; | |
1442 | case TARGET_SO_ERROR: | |
1443 | optname = SO_ERROR; | |
1444 | break; | |
1445 | case TARGET_SO_DONTROUTE: | |
1446 | optname = SO_DONTROUTE; | |
1447 | break; | |
1448 | case TARGET_SO_BROADCAST: | |
1449 | optname = SO_BROADCAST; | |
1450 | break; | |
1451 | case TARGET_SO_SNDBUF: | |
1452 | optname = SO_SNDBUF; | |
1453 | break; | |
1454 | case TARGET_SO_RCVBUF: | |
1455 | optname = SO_RCVBUF; | |
1456 | break; | |
1457 | case TARGET_SO_KEEPALIVE: | |
1458 | optname = SO_KEEPALIVE; | |
1459 | break; | |
1460 | case TARGET_SO_OOBINLINE: | |
1461 | optname = SO_OOBINLINE; | |
1462 | break; | |
1463 | case TARGET_SO_NO_CHECK: | |
1464 | optname = SO_NO_CHECK; | |
1465 | break; | |
1466 | case TARGET_SO_PRIORITY: | |
1467 | optname = SO_PRIORITY; | |
1468 | break; | |
5e83e8e3 | 1469 | #ifdef SO_BSDCOMPAT |
3532fa74 FB |
1470 | case TARGET_SO_BSDCOMPAT: |
1471 | optname = SO_BSDCOMPAT; | |
1472 | break; | |
5e83e8e3 | 1473 | #endif |
3532fa74 FB |
1474 | case TARGET_SO_PASSCRED: |
1475 | optname = SO_PASSCRED; | |
1476 | break; | |
1477 | case TARGET_SO_TIMESTAMP: | |
1478 | optname = SO_TIMESTAMP; | |
1479 | break; | |
1480 | case TARGET_SO_RCVLOWAT: | |
1481 | optname = SO_RCVLOWAT; | |
1482 | break; | |
8853f86e FB |
1483 | break; |
1484 | default: | |
1485 | goto unimplemented; | |
1486 | } | |
3532fa74 | 1487 | if (optlen < sizeof(uint32_t)) |
2f619698 | 1488 | return -TARGET_EINVAL; |
3532fa74 | 1489 | |
2f619698 FB |
1490 | if (get_user_u32(val, optval_addr)) |
1491 | return -TARGET_EFAULT; | |
3532fa74 | 1492 | ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val))); |
8853f86e | 1493 | break; |
7854b056 | 1494 | default: |
8853f86e | 1495 | unimplemented: |
b2bedb21 | 1496 | gemu_log("Unsupported setsockopt level=%d optname=%d\n", level, optname); |
6fa13c17 | 1497 | ret = -TARGET_ENOPROTOOPT; |
7854b056 | 1498 | } |
8853f86e | 1499 | return ret; |
7854b056 FB |
1500 | } |
1501 | ||
0da46a6e | 1502 | /* do_getsockopt() Must return target values and target errnos. */ |
992f48a0 | 1503 | static abi_long do_getsockopt(int sockfd, int level, int optname, |
2f619698 | 1504 | abi_ulong optval_addr, abi_ulong optlen) |
7854b056 | 1505 | { |
992f48a0 | 1506 | abi_long ret; |
b55266b5 BS |
1507 | int len, val; |
1508 | socklen_t lv; | |
8853f86e FB |
1509 | |
1510 | switch(level) { | |
3532fa74 | 1511 | case TARGET_SOL_SOCKET: |
f3b974cd JL |
1512 | level = SOL_SOCKET; |
1513 | switch (optname) { | |
1514 | /* These don't just return a single integer */ | |
1515 | case TARGET_SO_LINGER: | |
1516 | case TARGET_SO_RCVTIMEO: | |
1517 | case TARGET_SO_SNDTIMEO: | |
f3b974cd JL |
1518 | case TARGET_SO_PEERNAME: |
1519 | goto unimplemented; | |
583359a6 AP |
1520 | case TARGET_SO_PEERCRED: { |
1521 | struct ucred cr; | |
1522 | socklen_t crlen; | |
1523 | struct target_ucred *tcr; | |
1524 | ||
1525 | if (get_user_u32(len, optlen)) { | |
1526 | return -TARGET_EFAULT; | |
1527 | } | |
1528 | if (len < 0) { | |
1529 | return -TARGET_EINVAL; | |
1530 | } | |
1531 | ||
1532 | crlen = sizeof(cr); | |
1533 | ret = get_errno(getsockopt(sockfd, level, SO_PEERCRED, | |
1534 | &cr, &crlen)); | |
1535 | if (ret < 0) { | |
1536 | return ret; | |
1537 | } | |
1538 | if (len > crlen) { | |
1539 | len = crlen; | |
1540 | } | |
1541 | if (!lock_user_struct(VERIFY_WRITE, tcr, optval_addr, 0)) { | |
1542 | return -TARGET_EFAULT; | |
1543 | } | |
1544 | __put_user(cr.pid, &tcr->pid); | |
1545 | __put_user(cr.uid, &tcr->uid); | |
1546 | __put_user(cr.gid, &tcr->gid); | |
1547 | unlock_user_struct(tcr, optval_addr, 1); | |
1548 | if (put_user_u32(len, optlen)) { | |
1549 | return -TARGET_EFAULT; | |
1550 | } | |
1551 | break; | |
1552 | } | |
f3b974cd JL |
1553 | /* Options with 'int' argument. */ |
1554 | case TARGET_SO_DEBUG: | |
1555 | optname = SO_DEBUG; | |
1556 | goto int_case; | |
1557 | case TARGET_SO_REUSEADDR: | |
1558 | optname = SO_REUSEADDR; | |
1559 | goto int_case; | |
1560 | case TARGET_SO_TYPE: | |
1561 | optname = SO_TYPE; | |
1562 | goto int_case; | |
1563 | case TARGET_SO_ERROR: | |
1564 | optname = SO_ERROR; | |
1565 | goto int_case; | |
1566 | case TARGET_SO_DONTROUTE: | |
1567 | optname = SO_DONTROUTE; | |
1568 | goto int_case; | |
1569 | case TARGET_SO_BROADCAST: | |
1570 | optname = SO_BROADCAST; | |
1571 | goto int_case; | |
1572 | case TARGET_SO_SNDBUF: | |
1573 | optname = SO_SNDBUF; | |
1574 | goto int_case; | |
1575 | case TARGET_SO_RCVBUF: | |
1576 | optname = SO_RCVBUF; | |
1577 | goto int_case; | |
1578 | case TARGET_SO_KEEPALIVE: | |
1579 | optname = SO_KEEPALIVE; | |
1580 | goto int_case; | |
1581 | case TARGET_SO_OOBINLINE: | |
1582 | optname = SO_OOBINLINE; | |
1583 | goto int_case; | |
1584 | case TARGET_SO_NO_CHECK: | |
1585 | optname = SO_NO_CHECK; | |
1586 | goto int_case; | |
1587 | case TARGET_SO_PRIORITY: | |
1588 | optname = SO_PRIORITY; | |
1589 | goto int_case; | |
1590 | #ifdef SO_BSDCOMPAT | |
1591 | case TARGET_SO_BSDCOMPAT: | |
1592 | optname = SO_BSDCOMPAT; | |
1593 | goto int_case; | |
1594 | #endif | |
1595 | case TARGET_SO_PASSCRED: | |
1596 | optname = SO_PASSCRED; | |
1597 | goto int_case; | |
1598 | case TARGET_SO_TIMESTAMP: | |
1599 | optname = SO_TIMESTAMP; | |
1600 | goto int_case; | |
1601 | case TARGET_SO_RCVLOWAT: | |
1602 | optname = SO_RCVLOWAT; | |
1603 | goto int_case; | |
8853f86e | 1604 | default: |
2efbe911 FB |
1605 | goto int_case; |
1606 | } | |
1607 | break; | |
1608 | case SOL_TCP: | |
1609 | /* TCP options all take an 'int' value. */ | |
1610 | int_case: | |
2f619698 FB |
1611 | if (get_user_u32(len, optlen)) |
1612 | return -TARGET_EFAULT; | |
2efbe911 | 1613 | if (len < 0) |
0da46a6e | 1614 | return -TARGET_EINVAL; |
73160d95 | 1615 | lv = sizeof(lv); |
2efbe911 FB |
1616 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1617 | if (ret < 0) | |
1618 | return ret; | |
2efbe911 FB |
1619 | if (len > lv) |
1620 | len = lv; | |
2f619698 FB |
1621 | if (len == 4) { |
1622 | if (put_user_u32(val, optval_addr)) | |
1623 | return -TARGET_EFAULT; | |
1624 | } else { | |
1625 | if (put_user_u8(val, optval_addr)) | |
1626 | return -TARGET_EFAULT; | |
f3b974cd | 1627 | } |
2f619698 FB |
1628 | if (put_user_u32(len, optlen)) |
1629 | return -TARGET_EFAULT; | |
2efbe911 FB |
1630 | break; |
1631 | case SOL_IP: | |
1632 | switch(optname) { | |
1633 | case IP_TOS: | |
1634 | case IP_TTL: | |
1635 | case IP_HDRINCL: | |
1636 | case IP_ROUTER_ALERT: | |
1637 | case IP_RECVOPTS: | |
1638 | case IP_RETOPTS: | |
1639 | case IP_PKTINFO: | |
1640 | case IP_MTU_DISCOVER: | |
1641 | case IP_RECVERR: | |
1642 | case IP_RECVTOS: | |
1643 | #ifdef IP_FREEBIND | |
1644 | case IP_FREEBIND: | |
1645 | #endif | |
1646 | case IP_MULTICAST_TTL: | |
1647 | case IP_MULTICAST_LOOP: | |
2f619698 FB |
1648 | if (get_user_u32(len, optlen)) |
1649 | return -TARGET_EFAULT; | |
8853f86e | 1650 | if (len < 0) |
0da46a6e | 1651 | return -TARGET_EINVAL; |
73160d95 | 1652 | lv = sizeof(lv); |
8853f86e FB |
1653 | ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv)); |
1654 | if (ret < 0) | |
1655 | return ret; | |
2efbe911 | 1656 | if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) { |
2efbe911 | 1657 | len = 1; |
2f619698 FB |
1658 | if (put_user_u32(len, optlen) |
1659 | || put_user_u8(val, optval_addr)) | |
1660 | return -TARGET_EFAULT; | |
2efbe911 | 1661 | } else { |
2efbe911 FB |
1662 | if (len > sizeof(int)) |
1663 | len = sizeof(int); | |
2f619698 FB |
1664 | if (put_user_u32(len, optlen) |
1665 | || put_user_u32(val, optval_addr)) | |
1666 | return -TARGET_EFAULT; | |
2efbe911 | 1667 | } |
8853f86e | 1668 | break; |
2efbe911 | 1669 | default: |
c02f499e TS |
1670 | ret = -TARGET_ENOPROTOOPT; |
1671 | break; | |
8853f86e FB |
1672 | } |
1673 | break; | |
1674 | default: | |
1675 | unimplemented: | |
1676 | gemu_log("getsockopt level=%d optname=%d not yet supported\n", | |
1677 | level, optname); | |
c02f499e | 1678 | ret = -TARGET_EOPNOTSUPP; |
8853f86e FB |
1679 | break; |
1680 | } | |
1681 | return ret; | |
7854b056 FB |
1682 | } |
1683 | ||
f287b2c2 RH |
1684 | static struct iovec *lock_iovec(int type, abi_ulong target_addr, |
1685 | int count, int copy) | |
53a5960a PB |
1686 | { |
1687 | struct target_iovec *target_vec; | |
f287b2c2 RH |
1688 | struct iovec *vec; |
1689 | abi_ulong total_len, max_len; | |
d732dcb4 | 1690 | int i; |
53a5960a | 1691 | |
f287b2c2 RH |
1692 | if (count == 0) { |
1693 | errno = 0; | |
1694 | return NULL; | |
1695 | } | |
dfae8e00 | 1696 | if (count < 0 || count > IOV_MAX) { |
f287b2c2 RH |
1697 | errno = EINVAL; |
1698 | return NULL; | |
1699 | } | |
1700 | ||
1701 | vec = calloc(count, sizeof(struct iovec)); | |
1702 | if (vec == NULL) { | |
1703 | errno = ENOMEM; | |
1704 | return NULL; | |
1705 | } | |
1706 | ||
1707 | target_vec = lock_user(VERIFY_READ, target_addr, | |
1708 | count * sizeof(struct target_iovec), 1); | |
1709 | if (target_vec == NULL) { | |
1710 | errno = EFAULT; | |
1711 | goto fail2; | |
1712 | } | |
1713 | ||
1714 | /* ??? If host page size > target page size, this will result in a | |
1715 | value larger than what we can actually support. */ | |
1716 | max_len = 0x7fffffff & TARGET_PAGE_MASK; | |
1717 | total_len = 0; | |
1718 | ||
1719 | for (i = 0; i < count; i++) { | |
1720 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
1721 | abi_long len = tswapal(target_vec[i].iov_len); | |
1722 | ||
1723 | if (len < 0) { | |
1724 | errno = EINVAL; | |
1725 | goto fail; | |
1726 | } else if (len == 0) { | |
1727 | /* Zero length pointer is ignored. */ | |
1728 | vec[i].iov_base = 0; | |
41df8411 | 1729 | } else { |
f287b2c2 RH |
1730 | vec[i].iov_base = lock_user(type, base, len, copy); |
1731 | if (!vec[i].iov_base) { | |
1732 | errno = EFAULT; | |
1733 | goto fail; | |
1734 | } | |
1735 | if (len > max_len - total_len) { | |
1736 | len = max_len - total_len; | |
1737 | } | |
41df8411 | 1738 | } |
f287b2c2 RH |
1739 | vec[i].iov_len = len; |
1740 | total_len += len; | |
579a97f7 | 1741 | } |
f287b2c2 RH |
1742 | |
1743 | unlock_user(target_vec, target_addr, 0); | |
1744 | return vec; | |
1745 | ||
1746 | fail: | |
1747 | free(vec); | |
1748 | fail2: | |
1749 | unlock_user(target_vec, target_addr, 0); | |
1750 | return NULL; | |
53a5960a PB |
1751 | } |
1752 | ||
f287b2c2 RH |
1753 | static void unlock_iovec(struct iovec *vec, abi_ulong target_addr, |
1754 | int count, int copy) | |
53a5960a PB |
1755 | { |
1756 | struct target_iovec *target_vec; | |
53a5960a PB |
1757 | int i; |
1758 | ||
f287b2c2 RH |
1759 | target_vec = lock_user(VERIFY_READ, target_addr, |
1760 | count * sizeof(struct target_iovec), 1); | |
1761 | if (target_vec) { | |
1762 | for (i = 0; i < count; i++) { | |
1763 | abi_ulong base = tswapal(target_vec[i].iov_base); | |
1764 | abi_long len = tswapal(target_vec[i].iov_base); | |
1765 | if (len < 0) { | |
1766 | break; | |
1767 | } | |
d732dcb4 AZ |
1768 | unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0); |
1769 | } | |
f287b2c2 | 1770 | unlock_user(target_vec, target_addr, 0); |
53a5960a | 1771 | } |
579a97f7 | 1772 | |
f287b2c2 | 1773 | free(vec); |
53a5960a PB |
1774 | } |
1775 | ||
f651e6ae | 1776 | static inline void target_to_host_sock_type(int *type) |
3532fa74 | 1777 | { |
f651e6ae PJ |
1778 | int host_type = 0; |
1779 | int target_type = *type; | |
1780 | ||
1781 | switch (target_type & TARGET_SOCK_TYPE_MASK) { | |
3532fa74 | 1782 | case TARGET_SOCK_DGRAM: |
f651e6ae | 1783 | host_type = SOCK_DGRAM; |
3532fa74 FB |
1784 | break; |
1785 | case TARGET_SOCK_STREAM: | |
f651e6ae | 1786 | host_type = SOCK_STREAM; |
3532fa74 | 1787 | break; |
f651e6ae PJ |
1788 | default: |
1789 | host_type = target_type & TARGET_SOCK_TYPE_MASK; | |
3532fa74 FB |
1790 | break; |
1791 | } | |
f651e6ae PJ |
1792 | if (target_type & TARGET_SOCK_CLOEXEC) { |
1793 | host_type |= SOCK_CLOEXEC; | |
1794 | } | |
1795 | if (target_type & TARGET_SOCK_NONBLOCK) { | |
1796 | host_type |= SOCK_NONBLOCK; | |
1797 | } | |
1798 | *type = host_type; | |
1799 | } | |
1800 | ||
1801 | /* do_socket() Must return target values and target errnos. */ | |
1802 | static abi_long do_socket(int domain, int type, int protocol) | |
1803 | { | |
1804 | target_to_host_sock_type(&type); | |
1805 | ||
12bc92ab AZ |
1806 | if (domain == PF_NETLINK) |
1807 | return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */ | |
3532fa74 FB |
1808 | return get_errno(socket(domain, type, protocol)); |
1809 | } | |
1810 | ||
0da46a6e | 1811 | /* do_bind() Must return target values and target errnos. */ |
992f48a0 BS |
1812 | static abi_long do_bind(int sockfd, abi_ulong target_addr, |
1813 | socklen_t addrlen) | |
3532fa74 | 1814 | { |
8f7aeaf6 | 1815 | void *addr; |
917507b0 | 1816 | abi_long ret; |
8f7aeaf6 | 1817 | |
38724253 | 1818 | if ((int)addrlen < 0) { |
8f7aeaf6 | 1819 | return -TARGET_EINVAL; |
38724253 | 1820 | } |
8f7aeaf6 | 1821 | |
607175e0 | 1822 | addr = alloca(addrlen+1); |
3b46e624 | 1823 | |
917507b0 AP |
1824 | ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
1825 | if (ret) | |
1826 | return ret; | |
1827 | ||
3532fa74 FB |
1828 | return get_errno(bind(sockfd, addr, addrlen)); |
1829 | } | |
1830 | ||
0da46a6e | 1831 | /* do_connect() Must return target values and target errnos. */ |
992f48a0 BS |
1832 | static abi_long do_connect(int sockfd, abi_ulong target_addr, |
1833 | socklen_t addrlen) | |
3532fa74 | 1834 | { |
8f7aeaf6 | 1835 | void *addr; |
917507b0 | 1836 | abi_long ret; |
8f7aeaf6 | 1837 | |
38724253 | 1838 | if ((int)addrlen < 0) { |
8f7aeaf6 | 1839 | return -TARGET_EINVAL; |
38724253 | 1840 | } |
8f7aeaf6 AJ |
1841 | |
1842 | addr = alloca(addrlen); | |
3b46e624 | 1843 | |
917507b0 AP |
1844 | ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
1845 | if (ret) | |
1846 | return ret; | |
1847 | ||
3532fa74 FB |
1848 | return get_errno(connect(sockfd, addr, addrlen)); |
1849 | } | |
1850 | ||
0da46a6e | 1851 | /* do_sendrecvmsg() Must return target values and target errnos. */ |
992f48a0 BS |
1852 | static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg, |
1853 | int flags, int send) | |
3532fa74 | 1854 | { |
6de645c7 | 1855 | abi_long ret, len; |
3532fa74 FB |
1856 | struct target_msghdr *msgp; |
1857 | struct msghdr msg; | |
1858 | int count; | |
1859 | struct iovec *vec; | |
992f48a0 | 1860 | abi_ulong target_vec; |
3532fa74 | 1861 | |
579a97f7 FB |
1862 | /* FIXME */ |
1863 | if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE, | |
1864 | msgp, | |
1865 | target_msg, | |
1866 | send ? 1 : 0)) | |
1867 | return -TARGET_EFAULT; | |
3532fa74 FB |
1868 | if (msgp->msg_name) { |
1869 | msg.msg_namelen = tswap32(msgp->msg_namelen); | |
1870 | msg.msg_name = alloca(msg.msg_namelen); | |
cbb21eed | 1871 | ret = target_to_host_sockaddr(msg.msg_name, tswapal(msgp->msg_name), |
3532fa74 | 1872 | msg.msg_namelen); |
917507b0 | 1873 | if (ret) { |
f287b2c2 | 1874 | goto out2; |
917507b0 | 1875 | } |
3532fa74 FB |
1876 | } else { |
1877 | msg.msg_name = NULL; | |
1878 | msg.msg_namelen = 0; | |
1879 | } | |
cbb21eed | 1880 | msg.msg_controllen = 2 * tswapal(msgp->msg_controllen); |
3532fa74 FB |
1881 | msg.msg_control = alloca(msg.msg_controllen); |
1882 | msg.msg_flags = tswap32(msgp->msg_flags); | |
3b46e624 | 1883 | |
cbb21eed | 1884 | count = tswapal(msgp->msg_iovlen); |
cbb21eed | 1885 | target_vec = tswapal(msgp->msg_iov); |
f287b2c2 RH |
1886 | vec = lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, |
1887 | target_vec, count, send); | |
1888 | if (vec == NULL) { | |
1889 | ret = -host_to_target_errno(errno); | |
1890 | goto out2; | |
1891 | } | |
3532fa74 FB |
1892 | msg.msg_iovlen = count; |
1893 | msg.msg_iov = vec; | |
3b46e624 | 1894 | |
3532fa74 | 1895 | if (send) { |
5a4a898d FB |
1896 | ret = target_to_host_cmsg(&msg, msgp); |
1897 | if (ret == 0) | |
1898 | ret = get_errno(sendmsg(fd, &msg, flags)); | |
3532fa74 FB |
1899 | } else { |
1900 | ret = get_errno(recvmsg(fd, &msg, flags)); | |
6de645c7 AZ |
1901 | if (!is_error(ret)) { |
1902 | len = ret; | |
5a4a898d | 1903 | ret = host_to_target_cmsg(msgp, &msg); |
ca619067 JH |
1904 | if (!is_error(ret)) { |
1905 | msgp->msg_namelen = tswap32(msg.msg_namelen); | |
1906 | if (msg.msg_name != NULL) { | |
1907 | ret = host_to_target_sockaddr(tswapal(msgp->msg_name), | |
1908 | msg.msg_name, msg.msg_namelen); | |
1909 | if (ret) { | |
1910 | goto out; | |
1911 | } | |
1912 | } | |
1913 | ||
6de645c7 | 1914 | ret = len; |
ca619067 | 1915 | } |
6de645c7 | 1916 | } |
3532fa74 | 1917 | } |
ca619067 JH |
1918 | |
1919 | out: | |
3532fa74 | 1920 | unlock_iovec(vec, target_vec, count, !send); |
f287b2c2 | 1921 | out2: |
579a97f7 | 1922 | unlock_user_struct(msgp, target_msg, send ? 0 : 1); |
3532fa74 FB |
1923 | return ret; |
1924 | } | |
1925 | ||
a94b4987 PM |
1926 | /* If we don't have a system accept4() then just call accept. |
1927 | * The callsites to do_accept4() will ensure that they don't | |
1928 | * pass a non-zero flags argument in this config. | |
1929 | */ | |
1930 | #ifndef CONFIG_ACCEPT4 | |
1931 | static inline int accept4(int sockfd, struct sockaddr *addr, | |
1932 | socklen_t *addrlen, int flags) | |
1933 | { | |
1934 | assert(flags == 0); | |
1935 | return accept(sockfd, addr, addrlen); | |
1936 | } | |
1937 | #endif | |
1938 | ||
1939 | /* do_accept4() Must return target values and target errnos. */ | |
1940 | static abi_long do_accept4(int fd, abi_ulong target_addr, | |
1941 | abi_ulong target_addrlen_addr, int flags) | |
1be9e1dc | 1942 | { |
2f619698 FB |
1943 | socklen_t addrlen; |
1944 | void *addr; | |
992f48a0 | 1945 | abi_long ret; |
1be9e1dc | 1946 | |
a94b4987 PM |
1947 | if (target_addr == 0) { |
1948 | return get_errno(accept4(fd, NULL, NULL, flags)); | |
1949 | } | |
917507b0 AP |
1950 | |
1951 | /* linux returns EINVAL if addrlen pointer is invalid */ | |
2f619698 | 1952 | if (get_user_u32(addrlen, target_addrlen_addr)) |
917507b0 | 1953 | return -TARGET_EINVAL; |
2f619698 | 1954 | |
38724253 | 1955 | if ((int)addrlen < 0) { |
8f7aeaf6 | 1956 | return -TARGET_EINVAL; |
38724253 | 1957 | } |
8f7aeaf6 | 1958 | |
917507b0 AP |
1959 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
1960 | return -TARGET_EINVAL; | |
1961 | ||
2f619698 FB |
1962 | addr = alloca(addrlen); |
1963 | ||
a94b4987 | 1964 | ret = get_errno(accept4(fd, addr, &addrlen, flags)); |
1be9e1dc PB |
1965 | if (!is_error(ret)) { |
1966 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
1967 | if (put_user_u32(addrlen, target_addrlen_addr)) |
1968 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
1969 | } |
1970 | return ret; | |
1971 | } | |
1972 | ||
0da46a6e | 1973 | /* do_getpeername() Must return target values and target errnos. */ |
992f48a0 | 1974 | static abi_long do_getpeername(int fd, abi_ulong target_addr, |
2f619698 | 1975 | abi_ulong target_addrlen_addr) |
1be9e1dc | 1976 | { |
2f619698 FB |
1977 | socklen_t addrlen; |
1978 | void *addr; | |
992f48a0 | 1979 | abi_long ret; |
1be9e1dc | 1980 | |
2f619698 FB |
1981 | if (get_user_u32(addrlen, target_addrlen_addr)) |
1982 | return -TARGET_EFAULT; | |
1983 | ||
38724253 | 1984 | if ((int)addrlen < 0) { |
8f7aeaf6 | 1985 | return -TARGET_EINVAL; |
38724253 | 1986 | } |
8f7aeaf6 | 1987 | |
917507b0 AP |
1988 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
1989 | return -TARGET_EFAULT; | |
1990 | ||
2f619698 FB |
1991 | addr = alloca(addrlen); |
1992 | ||
1be9e1dc PB |
1993 | ret = get_errno(getpeername(fd, addr, &addrlen)); |
1994 | if (!is_error(ret)) { | |
1995 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
1996 | if (put_user_u32(addrlen, target_addrlen_addr)) |
1997 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
1998 | } |
1999 | return ret; | |
2000 | } | |
2001 | ||
0da46a6e | 2002 | /* do_getsockname() Must return target values and target errnos. */ |
992f48a0 | 2003 | static abi_long do_getsockname(int fd, abi_ulong target_addr, |
2f619698 | 2004 | abi_ulong target_addrlen_addr) |
1be9e1dc | 2005 | { |
2f619698 FB |
2006 | socklen_t addrlen; |
2007 | void *addr; | |
992f48a0 | 2008 | abi_long ret; |
1be9e1dc | 2009 | |
2f619698 FB |
2010 | if (get_user_u32(addrlen, target_addrlen_addr)) |
2011 | return -TARGET_EFAULT; | |
2012 | ||
38724253 | 2013 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2014 | return -TARGET_EINVAL; |
38724253 | 2015 | } |
8f7aeaf6 | 2016 | |
917507b0 AP |
2017 | if (!access_ok(VERIFY_WRITE, target_addr, addrlen)) |
2018 | return -TARGET_EFAULT; | |
2019 | ||
2f619698 FB |
2020 | addr = alloca(addrlen); |
2021 | ||
1be9e1dc PB |
2022 | ret = get_errno(getsockname(fd, addr, &addrlen)); |
2023 | if (!is_error(ret)) { | |
2024 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2025 | if (put_user_u32(addrlen, target_addrlen_addr)) |
2026 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2027 | } |
2028 | return ret; | |
2029 | } | |
2030 | ||
0da46a6e | 2031 | /* do_socketpair() Must return target values and target errnos. */ |
992f48a0 | 2032 | static abi_long do_socketpair(int domain, int type, int protocol, |
2f619698 | 2033 | abi_ulong target_tab_addr) |
1be9e1dc PB |
2034 | { |
2035 | int tab[2]; | |
992f48a0 | 2036 | abi_long ret; |
1be9e1dc | 2037 | |
f651e6ae PJ |
2038 | target_to_host_sock_type(&type); |
2039 | ||
1be9e1dc PB |
2040 | ret = get_errno(socketpair(domain, type, protocol, tab)); |
2041 | if (!is_error(ret)) { | |
2f619698 FB |
2042 | if (put_user_s32(tab[0], target_tab_addr) |
2043 | || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0]))) | |
2044 | ret = -TARGET_EFAULT; | |
1be9e1dc PB |
2045 | } |
2046 | return ret; | |
2047 | } | |
2048 | ||
0da46a6e | 2049 | /* do_sendto() Must return target values and target errnos. */ |
992f48a0 BS |
2050 | static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags, |
2051 | abi_ulong target_addr, socklen_t addrlen) | |
1be9e1dc PB |
2052 | { |
2053 | void *addr; | |
2054 | void *host_msg; | |
992f48a0 | 2055 | abi_long ret; |
1be9e1dc | 2056 | |
38724253 | 2057 | if ((int)addrlen < 0) { |
8f7aeaf6 | 2058 | return -TARGET_EINVAL; |
38724253 | 2059 | } |
8f7aeaf6 | 2060 | |
579a97f7 FB |
2061 | host_msg = lock_user(VERIFY_READ, msg, len, 1); |
2062 | if (!host_msg) | |
2063 | return -TARGET_EFAULT; | |
1be9e1dc PB |
2064 | if (target_addr) { |
2065 | addr = alloca(addrlen); | |
917507b0 AP |
2066 | ret = target_to_host_sockaddr(addr, target_addr, addrlen); |
2067 | if (ret) { | |
2068 | unlock_user(host_msg, msg, 0); | |
2069 | return ret; | |
2070 | } | |
1be9e1dc PB |
2071 | ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen)); |
2072 | } else { | |
2073 | ret = get_errno(send(fd, host_msg, len, flags)); | |
2074 | } | |
2075 | unlock_user(host_msg, msg, 0); | |
2076 | return ret; | |
2077 | } | |
2078 | ||
0da46a6e | 2079 | /* do_recvfrom() Must return target values and target errnos. */ |
992f48a0 BS |
2080 | static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags, |
2081 | abi_ulong target_addr, | |
2082 | abi_ulong target_addrlen) | |
1be9e1dc PB |
2083 | { |
2084 | socklen_t addrlen; | |
2085 | void *addr; | |
2086 | void *host_msg; | |
992f48a0 | 2087 | abi_long ret; |
1be9e1dc | 2088 | |
579a97f7 FB |
2089 | host_msg = lock_user(VERIFY_WRITE, msg, len, 0); |
2090 | if (!host_msg) | |
2091 | return -TARGET_EFAULT; | |
1be9e1dc | 2092 | if (target_addr) { |
2f619698 FB |
2093 | if (get_user_u32(addrlen, target_addrlen)) { |
2094 | ret = -TARGET_EFAULT; | |
2095 | goto fail; | |
2096 | } | |
38724253 | 2097 | if ((int)addrlen < 0) { |
8f7aeaf6 AJ |
2098 | ret = -TARGET_EINVAL; |
2099 | goto fail; | |
2100 | } | |
1be9e1dc PB |
2101 | addr = alloca(addrlen); |
2102 | ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen)); | |
2103 | } else { | |
2104 | addr = NULL; /* To keep compiler quiet. */ | |
00aa0040 | 2105 | ret = get_errno(qemu_recv(fd, host_msg, len, flags)); |
1be9e1dc PB |
2106 | } |
2107 | if (!is_error(ret)) { | |
2108 | if (target_addr) { | |
2109 | host_to_target_sockaddr(target_addr, addr, addrlen); | |
2f619698 FB |
2110 | if (put_user_u32(addrlen, target_addrlen)) { |
2111 | ret = -TARGET_EFAULT; | |
2112 | goto fail; | |
2113 | } | |
1be9e1dc PB |
2114 | } |
2115 | unlock_user(host_msg, msg, len); | |
2116 | } else { | |
2f619698 | 2117 | fail: |
1be9e1dc PB |
2118 | unlock_user(host_msg, msg, 0); |
2119 | } | |
2120 | return ret; | |
2121 | } | |
2122 | ||
32407103 | 2123 | #ifdef TARGET_NR_socketcall |
0da46a6e | 2124 | /* do_socketcall() Must return target values and target errnos. */ |
992f48a0 | 2125 | static abi_long do_socketcall(int num, abi_ulong vptr) |
31e31b8a | 2126 | { |
992f48a0 BS |
2127 | abi_long ret; |
2128 | const int n = sizeof(abi_ulong); | |
31e31b8a FB |
2129 | |
2130 | switch(num) { | |
2131 | case SOCKOP_socket: | |
7854b056 | 2132 | { |
98818189 | 2133 | abi_ulong domain, type, protocol; |
2f619698 | 2134 | |
98818189 UH |
2135 | if (get_user_ual(domain, vptr) |
2136 | || get_user_ual(type, vptr + n) | |
2137 | || get_user_ual(protocol, vptr + 2 * n)) | |
2f619698 FB |
2138 | return -TARGET_EFAULT; |
2139 | ||
3532fa74 | 2140 | ret = do_socket(domain, type, protocol); |
7854b056 | 2141 | } |
31e31b8a FB |
2142 | break; |
2143 | case SOCKOP_bind: | |
7854b056 | 2144 | { |
98818189 | 2145 | abi_ulong sockfd; |
2f619698 FB |
2146 | abi_ulong target_addr; |
2147 | socklen_t addrlen; | |
2148 | ||
98818189 | 2149 | if (get_user_ual(sockfd, vptr) |
2f619698 | 2150 | || get_user_ual(target_addr, vptr + n) |
98818189 | 2151 | || get_user_ual(addrlen, vptr + 2 * n)) |
2f619698 FB |
2152 | return -TARGET_EFAULT; |
2153 | ||
3532fa74 | 2154 | ret = do_bind(sockfd, target_addr, addrlen); |
7854b056 | 2155 | } |
31e31b8a FB |
2156 | break; |
2157 | case SOCKOP_connect: | |
7854b056 | 2158 | { |
98818189 | 2159 | abi_ulong sockfd; |
2f619698 FB |
2160 | abi_ulong target_addr; |
2161 | socklen_t addrlen; | |
2162 | ||
98818189 | 2163 | if (get_user_ual(sockfd, vptr) |
2f619698 | 2164 | || get_user_ual(target_addr, vptr + n) |
98818189 | 2165 | || get_user_ual(addrlen, vptr + 2 * n)) |
2f619698 FB |
2166 | return -TARGET_EFAULT; |
2167 | ||
3532fa74 | 2168 | ret = do_connect(sockfd, target_addr, addrlen); |
7854b056 | 2169 | } |
31e31b8a FB |
2170 | break; |
2171 | case SOCKOP_listen: | |
7854b056 | 2172 | { |
98818189 | 2173 | abi_ulong sockfd, backlog; |
2f619698 | 2174 | |
98818189 UH |
2175 | if (get_user_ual(sockfd, vptr) |
2176 | || get_user_ual(backlog, vptr + n)) | |
2f619698 FB |
2177 | return -TARGET_EFAULT; |
2178 | ||
7854b056 FB |
2179 | ret = get_errno(listen(sockfd, backlog)); |
2180 | } | |
31e31b8a FB |
2181 | break; |
2182 | case SOCKOP_accept: | |
2183 | { | |
98818189 | 2184 | abi_ulong sockfd; |
2f619698 FB |
2185 | abi_ulong target_addr, target_addrlen; |
2186 | ||
98818189 | 2187 | if (get_user_ual(sockfd, vptr) |
2f619698 | 2188 | || get_user_ual(target_addr, vptr + n) |
98818189 | 2189 | || get_user_ual(target_addrlen, vptr + 2 * n)) |
2f619698 FB |
2190 | return -TARGET_EFAULT; |
2191 | ||
a94b4987 | 2192 | ret = do_accept4(sockfd, target_addr, target_addrlen, 0); |
31e31b8a FB |
2193 | } |
2194 | break; | |
2195 | case SOCKOP_getsockname: | |
2196 | { | |
98818189 | 2197 | abi_ulong sockfd; |
2f619698 FB |
2198 | abi_ulong target_addr, target_addrlen; |
2199 | ||
98818189 | 2200 | if (get_user_ual(sockfd, vptr) |
2f619698 | 2201 | || get_user_ual(target_addr, vptr + n) |
98818189 | 2202 | || get_user_ual(target_addrlen, vptr + 2 * n)) |
2f619698 FB |
2203 | return -TARGET_EFAULT; |
2204 | ||
1be9e1dc | 2205 | ret = do_getsockname(sockfd, target_addr, target_addrlen); |
31e31b8a FB |
2206 | } |
2207 | break; | |
2208 | case SOCKOP_getpeername: | |
2209 | { | |
98818189 | 2210 | abi_ulong sockfd; |
2f619698 FB |
2211 | abi_ulong target_addr, target_addrlen; |
2212 | ||
98818189 | 2213 | if (get_user_ual(sockfd, vptr) |
2f619698 | 2214 | || get_user_ual(target_addr, vptr + n) |
98818189 | 2215 | || get_user_ual(target_addrlen, vptr + 2 * n)) |
2f619698 FB |
2216 | return -TARGET_EFAULT; |
2217 | ||
1be9e1dc | 2218 | ret = do_getpeername(sockfd, target_addr, target_addrlen); |
31e31b8a FB |
2219 | } |
2220 | break; | |
2221 | case SOCKOP_socketpair: | |
2222 | { | |
98818189 | 2223 | abi_ulong domain, type, protocol; |
2f619698 FB |
2224 | abi_ulong tab; |
2225 | ||
98818189 UH |
2226 | if (get_user_ual(domain, vptr) |
2227 | || get_user_ual(type, vptr + n) | |
2228 | || get_user_ual(protocol, vptr + 2 * n) | |
2f619698 FB |
2229 | || get_user_ual(tab, vptr + 3 * n)) |
2230 | return -TARGET_EFAULT; | |
2231 | ||
1be9e1dc | 2232 | ret = do_socketpair(domain, type, protocol, tab); |
31e31b8a FB |
2233 | } |
2234 | break; | |
2235 | case SOCKOP_send: | |
7854b056 | 2236 | { |
98818189 | 2237 | abi_ulong sockfd; |
2f619698 FB |
2238 | abi_ulong msg; |
2239 | size_t len; | |
98818189 | 2240 | abi_ulong flags; |
2f619698 | 2241 | |
98818189 | 2242 | if (get_user_ual(sockfd, vptr) |
2f619698 FB |
2243 | || get_user_ual(msg, vptr + n) |
2244 | || get_user_ual(len, vptr + 2 * n) | |
98818189 | 2245 | || get_user_ual(flags, vptr + 3 * n)) |
2f619698 FB |
2246 | return -TARGET_EFAULT; |
2247 | ||
1be9e1dc | 2248 | ret = do_sendto(sockfd, msg, len, flags, 0, 0); |
7854b056 | 2249 | } |
31e31b8a FB |
2250 | break; |
2251 | case SOCKOP_recv: | |
7854b056 | 2252 | { |
98818189 | 2253 | abi_ulong sockfd; |
2f619698 FB |
2254 | abi_ulong msg; |
2255 | size_t len; | |
98818189 | 2256 | abi_ulong flags; |
2f619698 | 2257 | |
98818189 | 2258 | if (get_user_ual(sockfd, vptr) |
2f619698 FB |
2259 | || get_user_ual(msg, vptr + n) |
2260 | || get_user_ual(len, vptr + 2 * n) | |
98818189 | 2261 | || get_user_ual(flags, vptr + 3 * n)) |
2f619698 FB |
2262 | return -TARGET_EFAULT; |
2263 | ||
1be9e1dc | 2264 | ret = do_recvfrom(sockfd, msg, len, flags, 0, 0); |
7854b056 | 2265 | } |
31e31b8a FB |
2266 | break; |
2267 | case SOCKOP_sendto: | |
7854b056 | 2268 | { |
98818189 | 2269 | abi_ulong sockfd; |
2f619698 FB |
2270 | abi_ulong msg; |
2271 | size_t len; | |
98818189 | 2272 | abi_ulong flags; |
2f619698 FB |
2273 | abi_ulong addr; |
2274 | socklen_t addrlen; | |
2275 | ||
98818189 | 2276 | if (get_user_ual(sockfd, vptr) |
2f619698 FB |
2277 | || get_user_ual(msg, vptr + n) |
2278 | || get_user_ual(len, vptr + 2 * n) | |
98818189 | 2279 | || get_user_ual(flags, vptr + 3 * n) |
2f619698 | 2280 | || get_user_ual(addr, vptr + 4 * n) |
98818189 | 2281 | || get_user_ual(addrlen, vptr + 5 * n)) |
2f619698 FB |
2282 | return -TARGET_EFAULT; |
2283 | ||
1be9e1dc | 2284 | ret = do_sendto(sockfd, msg, len, flags, addr, addrlen); |
7854b056 | 2285 | } |
31e31b8a FB |
2286 | break; |
2287 | case SOCKOP_recvfrom: | |
2288 | { | |
98818189 | 2289 | abi_ulong sockfd; |
2f619698 FB |
2290 | abi_ulong msg; |
2291 | size_t len; | |
98818189 | 2292 | abi_ulong flags; |
2f619698 FB |
2293 | abi_ulong addr; |
2294 | socklen_t addrlen; | |
2295 | ||
98818189 | 2296 | if (get_user_ual(sockfd, vptr) |
2f619698 FB |
2297 | || get_user_ual(msg, vptr + n) |
2298 | || get_user_ual(len, vptr + 2 * n) | |
98818189 | 2299 | || get_user_ual(flags, vptr + 3 * n) |
2f619698 | 2300 | || get_user_ual(addr, vptr + 4 * n) |
98818189 | 2301 | || get_user_ual(addrlen, vptr + 5 * n)) |
2f619698 FB |
2302 | return -TARGET_EFAULT; |
2303 | ||
1be9e1dc | 2304 | ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen); |
31e31b8a FB |
2305 | } |
2306 | break; | |
2307 | case SOCKOP_shutdown: | |
7854b056 | 2308 | { |
98818189 | 2309 | abi_ulong sockfd, how; |
2f619698 | 2310 | |
98818189 UH |
2311 | if (get_user_ual(sockfd, vptr) |
2312 | || get_user_ual(how, vptr + n)) | |
2f619698 | 2313 | return -TARGET_EFAULT; |
7854b056 FB |
2314 | |
2315 | ret = get_errno(shutdown(sockfd, how)); | |
2316 | } | |
31e31b8a FB |
2317 | break; |
2318 | case SOCKOP_sendmsg: | |
2319 | case SOCKOP_recvmsg: | |
1a9353d2 | 2320 | { |
98818189 | 2321 | abi_ulong fd; |
992f48a0 | 2322 | abi_ulong target_msg; |
98818189 | 2323 | abi_ulong flags; |
1a9353d2 | 2324 | |
98818189 | 2325 | if (get_user_ual(fd, vptr) |
2f619698 | 2326 | || get_user_ual(target_msg, vptr + n) |
98818189 | 2327 | || get_user_ual(flags, vptr + 2 * n)) |
2f619698 | 2328 | return -TARGET_EFAULT; |
3532fa74 | 2329 | |
5fafdf24 | 2330 | ret = do_sendrecvmsg(fd, target_msg, flags, |
3532fa74 | 2331 | (num == SOCKOP_sendmsg)); |
1a9353d2 FB |
2332 | } |
2333 | break; | |
31e31b8a | 2334 | case SOCKOP_setsockopt: |
7854b056 | 2335 | { |
98818189 UH |
2336 | abi_ulong sockfd; |
2337 | abi_ulong level; | |
2338 | abi_ulong optname; | |
2f619698 FB |
2339 | abi_ulong optval; |
2340 | socklen_t optlen; | |
2341 | ||
98818189 UH |
2342 | if (get_user_ual(sockfd, vptr) |
2343 | || get_user_ual(level, vptr + n) | |
2344 | || get_user_ual(optname, vptr + 2 * n) | |
2f619698 | 2345 | || get_user_ual(optval, vptr + 3 * n) |
98818189 | 2346 | || get_user_ual(optlen, vptr + 4 * n)) |
2f619698 | 2347 | return -TARGET_EFAULT; |
7854b056 FB |
2348 | |
2349 | ret = do_setsockopt(sockfd, level, optname, optval, optlen); | |
2350 | } | |
2351 | break; | |
31e31b8a | 2352 | case SOCKOP_getsockopt: |
7854b056 | 2353 | { |
98818189 UH |
2354 | abi_ulong sockfd; |
2355 | abi_ulong level; | |
2356 | abi_ulong optname; | |
2f619698 FB |
2357 | abi_ulong optval; |
2358 | socklen_t optlen; | |
2359 | ||
98818189 UH |
2360 | if (get_user_ual(sockfd, vptr) |
2361 | || get_user_ual(level, vptr + n) | |
2362 | || get_user_ual(optname, vptr + 2 * n) | |
2f619698 | 2363 | || get_user_ual(optval, vptr + 3 * n) |
98818189 | 2364 | || get_user_ual(optlen, vptr + 4 * n)) |
2f619698 | 2365 | return -TARGET_EFAULT; |
7854b056 | 2366 | |
2f619698 | 2367 | ret = do_getsockopt(sockfd, level, optname, optval, optlen); |
7854b056 FB |
2368 | } |
2369 | break; | |
31e31b8a FB |
2370 | default: |
2371 | gemu_log("Unsupported socketcall: %d\n", num); | |
0da46a6e | 2372 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
2373 | break; |
2374 | } | |
2375 | return ret; | |
2376 | } | |
32407103 | 2377 | #endif |
31e31b8a | 2378 | |
8853f86e FB |
2379 | #define N_SHM_REGIONS 32 |
2380 | ||
2381 | static struct shm_region { | |
5a4a898d FB |
2382 | abi_ulong start; |
2383 | abi_ulong size; | |
8853f86e FB |
2384 | } shm_regions[N_SHM_REGIONS]; |
2385 | ||
3eb6b044 TS |
2386 | struct target_ipc_perm |
2387 | { | |
992f48a0 BS |
2388 | abi_long __key; |
2389 | abi_ulong uid; | |
2390 | abi_ulong gid; | |
2391 | abi_ulong cuid; | |
2392 | abi_ulong cgid; | |
3eb6b044 TS |
2393 | unsigned short int mode; |
2394 | unsigned short int __pad1; | |
2395 | unsigned short int __seq; | |
2396 | unsigned short int __pad2; | |
992f48a0 BS |
2397 | abi_ulong __unused1; |
2398 | abi_ulong __unused2; | |
3eb6b044 TS |
2399 | }; |
2400 | ||
2401 | struct target_semid_ds | |
2402 | { | |
2403 | struct target_ipc_perm sem_perm; | |
992f48a0 BS |
2404 | abi_ulong sem_otime; |
2405 | abi_ulong __unused1; | |
2406 | abi_ulong sem_ctime; | |
2407 | abi_ulong __unused2; | |
2408 | abi_ulong sem_nsems; | |
2409 | abi_ulong __unused3; | |
2410 | abi_ulong __unused4; | |
3eb6b044 TS |
2411 | }; |
2412 | ||
579a97f7 FB |
2413 | static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip, |
2414 | abi_ulong target_addr) | |
3eb6b044 TS |
2415 | { |
2416 | struct target_ipc_perm *target_ip; | |
2417 | struct target_semid_ds *target_sd; | |
2418 | ||
579a97f7 FB |
2419 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2420 | return -TARGET_EFAULT; | |
e8bbe36c | 2421 | target_ip = &(target_sd->sem_perm); |
cbb21eed MB |
2422 | host_ip->__key = tswapal(target_ip->__key); |
2423 | host_ip->uid = tswapal(target_ip->uid); | |
2424 | host_ip->gid = tswapal(target_ip->gid); | |
2425 | host_ip->cuid = tswapal(target_ip->cuid); | |
2426 | host_ip->cgid = tswapal(target_ip->cgid); | |
2427 | host_ip->mode = tswap16(target_ip->mode); | |
3eb6b044 | 2428 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 2429 | return 0; |
3eb6b044 TS |
2430 | } |
2431 | ||
579a97f7 FB |
2432 | static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr, |
2433 | struct ipc_perm *host_ip) | |
3eb6b044 TS |
2434 | { |
2435 | struct target_ipc_perm *target_ip; | |
2436 | struct target_semid_ds *target_sd; | |
2437 | ||
579a97f7 FB |
2438 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2439 | return -TARGET_EFAULT; | |
3eb6b044 | 2440 | target_ip = &(target_sd->sem_perm); |
cbb21eed MB |
2441 | target_ip->__key = tswapal(host_ip->__key); |
2442 | target_ip->uid = tswapal(host_ip->uid); | |
2443 | target_ip->gid = tswapal(host_ip->gid); | |
2444 | target_ip->cuid = tswapal(host_ip->cuid); | |
2445 | target_ip->cgid = tswapal(host_ip->cgid); | |
2446 | target_ip->mode = tswap16(host_ip->mode); | |
3eb6b044 | 2447 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 2448 | return 0; |
3eb6b044 TS |
2449 | } |
2450 | ||
579a97f7 FB |
2451 | static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd, |
2452 | abi_ulong target_addr) | |
3eb6b044 TS |
2453 | { |
2454 | struct target_semid_ds *target_sd; | |
2455 | ||
579a97f7 FB |
2456 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) |
2457 | return -TARGET_EFAULT; | |
e5289087 AJ |
2458 | if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr)) |
2459 | return -TARGET_EFAULT; | |
cbb21eed MB |
2460 | host_sd->sem_nsems = tswapal(target_sd->sem_nsems); |
2461 | host_sd->sem_otime = tswapal(target_sd->sem_otime); | |
2462 | host_sd->sem_ctime = tswapal(target_sd->sem_ctime); | |
3eb6b044 | 2463 | unlock_user_struct(target_sd, target_addr, 0); |
579a97f7 | 2464 | return 0; |
3eb6b044 TS |
2465 | } |
2466 | ||
579a97f7 FB |
2467 | static inline abi_long host_to_target_semid_ds(abi_ulong target_addr, |
2468 | struct semid_ds *host_sd) | |
3eb6b044 TS |
2469 | { |
2470 | struct target_semid_ds *target_sd; | |
2471 | ||
579a97f7 FB |
2472 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) |
2473 | return -TARGET_EFAULT; | |
e5289087 | 2474 | if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm))) |
3a93113a | 2475 | return -TARGET_EFAULT; |
cbb21eed MB |
2476 | target_sd->sem_nsems = tswapal(host_sd->sem_nsems); |
2477 | target_sd->sem_otime = tswapal(host_sd->sem_otime); | |
2478 | target_sd->sem_ctime = tswapal(host_sd->sem_ctime); | |
3eb6b044 | 2479 | unlock_user_struct(target_sd, target_addr, 1); |
579a97f7 | 2480 | return 0; |
3eb6b044 TS |
2481 | } |
2482 | ||
e5289087 AJ |
2483 | struct target_seminfo { |
2484 | int semmap; | |
2485 | int semmni; | |
2486 | int semmns; | |
2487 | int semmnu; | |
2488 | int semmsl; | |
2489 | int semopm; | |
2490 | int semume; | |
2491 | int semusz; | |
2492 | int semvmx; | |
2493 | int semaem; | |
2494 | }; | |
2495 | ||
2496 | static inline abi_long host_to_target_seminfo(abi_ulong target_addr, | |
2497 | struct seminfo *host_seminfo) | |
2498 | { | |
2499 | struct target_seminfo *target_seminfo; | |
2500 | if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0)) | |
2501 | return -TARGET_EFAULT; | |
2502 | __put_user(host_seminfo->semmap, &target_seminfo->semmap); | |
2503 | __put_user(host_seminfo->semmni, &target_seminfo->semmni); | |
2504 | __put_user(host_seminfo->semmns, &target_seminfo->semmns); | |
2505 | __put_user(host_seminfo->semmnu, &target_seminfo->semmnu); | |
2506 | __put_user(host_seminfo->semmsl, &target_seminfo->semmsl); | |
2507 | __put_user(host_seminfo->semopm, &target_seminfo->semopm); | |
2508 | __put_user(host_seminfo->semume, &target_seminfo->semume); | |
2509 | __put_user(host_seminfo->semusz, &target_seminfo->semusz); | |
2510 | __put_user(host_seminfo->semvmx, &target_seminfo->semvmx); | |
2511 | __put_user(host_seminfo->semaem, &target_seminfo->semaem); | |
2512 | unlock_user_struct(target_seminfo, target_addr, 1); | |
2513 | return 0; | |
2514 | } | |
2515 | ||
fa294816 TS |
2516 | union semun { |
2517 | int val; | |
3eb6b044 | 2518 | struct semid_ds *buf; |
fa294816 | 2519 | unsigned short *array; |
e5289087 | 2520 | struct seminfo *__buf; |
fa294816 TS |
2521 | }; |
2522 | ||
3eb6b044 TS |
2523 | union target_semun { |
2524 | int val; | |
e5289087 AJ |
2525 | abi_ulong buf; |
2526 | abi_ulong array; | |
2527 | abi_ulong __buf; | |
3eb6b044 TS |
2528 | }; |
2529 | ||
e5289087 AJ |
2530 | static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array, |
2531 | abi_ulong target_addr) | |
3eb6b044 | 2532 | { |
e5289087 AJ |
2533 | int nsems; |
2534 | unsigned short *array; | |
2535 | union semun semun; | |
2536 | struct semid_ds semid_ds; | |
2537 | int i, ret; | |
3eb6b044 | 2538 | |
e5289087 AJ |
2539 | semun.buf = &semid_ds; |
2540 | ||
2541 | ret = semctl(semid, 0, IPC_STAT, semun); | |
2542 | if (ret == -1) | |
2543 | return get_errno(ret); | |
2544 | ||
2545 | nsems = semid_ds.sem_nsems; | |
2546 | ||
2547 | *host_array = malloc(nsems*sizeof(unsigned short)); | |
2548 | array = lock_user(VERIFY_READ, target_addr, | |
2549 | nsems*sizeof(unsigned short), 1); | |
2550 | if (!array) | |
2551 | return -TARGET_EFAULT; | |
2552 | ||
2553 | for(i=0; i<nsems; i++) { | |
2554 | __get_user((*host_array)[i], &array[i]); | |
3eb6b044 | 2555 | } |
e5289087 AJ |
2556 | unlock_user(array, target_addr, 0); |
2557 | ||
579a97f7 | 2558 | return 0; |
3eb6b044 TS |
2559 | } |
2560 | ||
e5289087 AJ |
2561 | static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr, |
2562 | unsigned short **host_array) | |
3eb6b044 | 2563 | { |
e5289087 AJ |
2564 | int nsems; |
2565 | unsigned short *array; | |
2566 | union semun semun; | |
2567 | struct semid_ds semid_ds; | |
2568 | int i, ret; | |
3eb6b044 | 2569 | |
e5289087 AJ |
2570 | semun.buf = &semid_ds; |
2571 | ||
2572 | ret = semctl(semid, 0, IPC_STAT, semun); | |
2573 | if (ret == -1) | |
2574 | return get_errno(ret); | |
2575 | ||
2576 | nsems = semid_ds.sem_nsems; | |
2577 | ||
2578 | array = lock_user(VERIFY_WRITE, target_addr, | |
2579 | nsems*sizeof(unsigned short), 0); | |
2580 | if (!array) | |
2581 | return -TARGET_EFAULT; | |
2582 | ||
2583 | for(i=0; i<nsems; i++) { | |
2584 | __put_user((*host_array)[i], &array[i]); | |
3eb6b044 | 2585 | } |
e5289087 AJ |
2586 | free(*host_array); |
2587 | unlock_user(array, target_addr, 1); | |
2588 | ||
579a97f7 | 2589 | return 0; |
3eb6b044 TS |
2590 | } |
2591 | ||
e5289087 AJ |
2592 | static inline abi_long do_semctl(int semid, int semnum, int cmd, |
2593 | union target_semun target_su) | |
3eb6b044 TS |
2594 | { |
2595 | union semun arg; | |
2596 | struct semid_ds dsarg; | |
7b8118e8 | 2597 | unsigned short *array = NULL; |
e5289087 AJ |
2598 | struct seminfo seminfo; |
2599 | abi_long ret = -TARGET_EINVAL; | |
2600 | abi_long err; | |
2601 | cmd &= 0xff; | |
3eb6b044 TS |
2602 | |
2603 | switch( cmd ) { | |
2604 | case GETVAL: | |
3eb6b044 | 2605 | case SETVAL: |
cbb21eed | 2606 | arg.val = tswap32(target_su.val); |
e5289087 | 2607 | ret = get_errno(semctl(semid, semnum, cmd, arg)); |
cbb21eed | 2608 | target_su.val = tswap32(arg.val); |
3eb6b044 TS |
2609 | break; |
2610 | case GETALL: | |
3eb6b044 | 2611 | case SETALL: |
e5289087 AJ |
2612 | err = target_to_host_semarray(semid, &array, target_su.array); |
2613 | if (err) | |
2614 | return err; | |
2615 | arg.array = array; | |
2616 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
2617 | err = host_to_target_semarray(semid, target_su.array, &array); | |
2618 | if (err) | |
2619 | return err; | |
3eb6b044 TS |
2620 | break; |
2621 | case IPC_STAT: | |
3eb6b044 | 2622 | case IPC_SET: |
e5289087 AJ |
2623 | case SEM_STAT: |
2624 | err = target_to_host_semid_ds(&dsarg, target_su.buf); | |
2625 | if (err) | |
2626 | return err; | |
2627 | arg.buf = &dsarg; | |
2628 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
2629 | err = host_to_target_semid_ds(target_su.buf, &dsarg); | |
2630 | if (err) | |
2631 | return err; | |
2632 | break; | |
2633 | case IPC_INFO: | |
2634 | case SEM_INFO: | |
2635 | arg.__buf = &seminfo; | |
2636 | ret = get_errno(semctl(semid, semnum, cmd, arg)); | |
2637 | err = host_to_target_seminfo(target_su.__buf, &seminfo); | |
2638 | if (err) | |
2639 | return err; | |
2640 | break; | |
2641 | case IPC_RMID: | |
2642 | case GETPID: | |
2643 | case GETNCNT: | |
2644 | case GETZCNT: | |
2645 | ret = get_errno(semctl(semid, semnum, cmd, NULL)); | |
3eb6b044 | 2646 | break; |
3eb6b044 TS |
2647 | } |
2648 | ||
2649 | return ret; | |
2650 | } | |
2651 | ||
e5289087 AJ |
2652 | struct target_sembuf { |
2653 | unsigned short sem_num; | |
2654 | short sem_op; | |
2655 | short sem_flg; | |
2656 | }; | |
2657 | ||
2658 | static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf, | |
2659 | abi_ulong target_addr, | |
2660 | unsigned nsops) | |
2661 | { | |
2662 | struct target_sembuf *target_sembuf; | |
2663 | int i; | |
2664 | ||
2665 | target_sembuf = lock_user(VERIFY_READ, target_addr, | |
2666 | nsops*sizeof(struct target_sembuf), 1); | |
2667 | if (!target_sembuf) | |
2668 | return -TARGET_EFAULT; | |
2669 | ||
2670 | for(i=0; i<nsops; i++) { | |
2671 | __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num); | |
2672 | __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op); | |
2673 | __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg); | |
2674 | } | |
2675 | ||
2676 | unlock_user(target_sembuf, target_addr, 0); | |
2677 | ||
2678 | return 0; | |
2679 | } | |
2680 | ||
2681 | static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops) | |
2682 | { | |
2683 | struct sembuf sops[nsops]; | |
2684 | ||
2685 | if (target_to_host_sembuf(sops, ptr, nsops)) | |
2686 | return -TARGET_EFAULT; | |
2687 | ||
c7128c9f | 2688 | return get_errno(semop(semid, sops, nsops)); |
e5289087 AJ |
2689 | } |
2690 | ||
1bc012f6 TS |
2691 | struct target_msqid_ds |
2692 | { | |
1c54ff97 AJ |
2693 | struct target_ipc_perm msg_perm; |
2694 | abi_ulong msg_stime; | |
2695 | #if TARGET_ABI_BITS == 32 | |
2696 | abi_ulong __unused1; | |
2697 | #endif | |
2698 | abi_ulong msg_rtime; | |
2699 | #if TARGET_ABI_BITS == 32 | |
2700 | abi_ulong __unused2; | |
2701 | #endif | |
2702 | abi_ulong msg_ctime; | |
2703 | #if TARGET_ABI_BITS == 32 | |
2704 | abi_ulong __unused3; | |
2705 | #endif | |
2706 | abi_ulong __msg_cbytes; | |
2707 | abi_ulong msg_qnum; | |
2708 | abi_ulong msg_qbytes; | |
2709 | abi_ulong msg_lspid; | |
2710 | abi_ulong msg_lrpid; | |
2711 | abi_ulong __unused4; | |
2712 | abi_ulong __unused5; | |
1bc012f6 TS |
2713 | }; |
2714 | ||
579a97f7 FB |
2715 | static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md, |
2716 | abi_ulong target_addr) | |
1bc012f6 TS |
2717 | { |
2718 | struct target_msqid_ds *target_md; | |
2719 | ||
579a97f7 FB |
2720 | if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1)) |
2721 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
2722 | if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr)) |
2723 | return -TARGET_EFAULT; | |
cbb21eed MB |
2724 | host_md->msg_stime = tswapal(target_md->msg_stime); |
2725 | host_md->msg_rtime = tswapal(target_md->msg_rtime); | |
2726 | host_md->msg_ctime = tswapal(target_md->msg_ctime); | |
2727 | host_md->__msg_cbytes = tswapal(target_md->__msg_cbytes); | |
2728 | host_md->msg_qnum = tswapal(target_md->msg_qnum); | |
2729 | host_md->msg_qbytes = tswapal(target_md->msg_qbytes); | |
2730 | host_md->msg_lspid = tswapal(target_md->msg_lspid); | |
2731 | host_md->msg_lrpid = tswapal(target_md->msg_lrpid); | |
1bc012f6 | 2732 | unlock_user_struct(target_md, target_addr, 0); |
579a97f7 | 2733 | return 0; |
1bc012f6 TS |
2734 | } |
2735 | ||
579a97f7 FB |
2736 | static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr, |
2737 | struct msqid_ds *host_md) | |
1bc012f6 TS |
2738 | { |
2739 | struct target_msqid_ds *target_md; | |
2740 | ||
579a97f7 FB |
2741 | if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0)) |
2742 | return -TARGET_EFAULT; | |
1c54ff97 AJ |
2743 | if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm))) |
2744 | return -TARGET_EFAULT; | |
cbb21eed MB |
2745 | target_md->msg_stime = tswapal(host_md->msg_stime); |
2746 | target_md->msg_rtime = tswapal(host_md->msg_rtime); | |
2747 | target_md->msg_ctime = tswapal(host_md->msg_ctime); | |
2748 | target_md->__msg_cbytes = tswapal(host_md->__msg_cbytes); | |
2749 | target_md->msg_qnum = tswapal(host_md->msg_qnum); | |
2750 | target_md->msg_qbytes = tswapal(host_md->msg_qbytes); | |
2751 | target_md->msg_lspid = tswapal(host_md->msg_lspid); | |
2752 | target_md->msg_lrpid = tswapal(host_md->msg_lrpid); | |
1bc012f6 | 2753 | unlock_user_struct(target_md, target_addr, 1); |
579a97f7 | 2754 | return 0; |
1bc012f6 TS |
2755 | } |
2756 | ||
1c54ff97 AJ |
2757 | struct target_msginfo { |
2758 | int msgpool; | |
2759 | int msgmap; | |
2760 | int msgmax; | |
2761 | int msgmnb; | |
2762 | int msgmni; | |
2763 | int msgssz; | |
2764 | int msgtql; | |
2765 | unsigned short int msgseg; | |
2766 | }; | |
2767 | ||
2768 | static inline abi_long host_to_target_msginfo(abi_ulong target_addr, | |
2769 | struct msginfo *host_msginfo) | |
2770 | { | |
2771 | struct target_msginfo *target_msginfo; | |
2772 | if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0)) | |
2773 | return -TARGET_EFAULT; | |
2774 | __put_user(host_msginfo->msgpool, &target_msginfo->msgpool); | |
2775 | __put_user(host_msginfo->msgmap, &target_msginfo->msgmap); | |
2776 | __put_user(host_msginfo->msgmax, &target_msginfo->msgmax); | |
2777 | __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb); | |
2778 | __put_user(host_msginfo->msgmni, &target_msginfo->msgmni); | |
2779 | __put_user(host_msginfo->msgssz, &target_msginfo->msgssz); | |
2780 | __put_user(host_msginfo->msgtql, &target_msginfo->msgtql); | |
2781 | __put_user(host_msginfo->msgseg, &target_msginfo->msgseg); | |
2782 | unlock_user_struct(target_msginfo, target_addr, 1); | |
00b229ac | 2783 | return 0; |
1c54ff97 AJ |
2784 | } |
2785 | ||
2786 | static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr) | |
1bc012f6 TS |
2787 | { |
2788 | struct msqid_ds dsarg; | |
1c54ff97 AJ |
2789 | struct msginfo msginfo; |
2790 | abi_long ret = -TARGET_EINVAL; | |
2791 | ||
2792 | cmd &= 0xff; | |
2793 | ||
2794 | switch (cmd) { | |
1bc012f6 TS |
2795 | case IPC_STAT: |
2796 | case IPC_SET: | |
1c54ff97 AJ |
2797 | case MSG_STAT: |
2798 | if (target_to_host_msqid_ds(&dsarg,ptr)) | |
2799 | return -TARGET_EFAULT; | |
2800 | ret = get_errno(msgctl(msgid, cmd, &dsarg)); | |
2801 | if (host_to_target_msqid_ds(ptr,&dsarg)) | |
2802 | return -TARGET_EFAULT; | |
2803 | break; | |
2804 | case IPC_RMID: | |
2805 | ret = get_errno(msgctl(msgid, cmd, NULL)); | |
2806 | break; | |
2807 | case IPC_INFO: | |
2808 | case MSG_INFO: | |
2809 | ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo)); | |
2810 | if (host_to_target_msginfo(ptr, &msginfo)) | |
2811 | return -TARGET_EFAULT; | |
2812 | break; | |
1bc012f6 | 2813 | } |
1c54ff97 | 2814 | |
1bc012f6 TS |
2815 | return ret; |
2816 | } | |
2817 | ||
2818 | struct target_msgbuf { | |
1c54ff97 AJ |
2819 | abi_long mtype; |
2820 | char mtext[1]; | |
1bc012f6 TS |
2821 | }; |
2822 | ||
992f48a0 BS |
2823 | static inline abi_long do_msgsnd(int msqid, abi_long msgp, |
2824 | unsigned int msgsz, int msgflg) | |
1bc012f6 TS |
2825 | { |
2826 | struct target_msgbuf *target_mb; | |
2827 | struct msgbuf *host_mb; | |
992f48a0 | 2828 | abi_long ret = 0; |
1bc012f6 | 2829 | |
579a97f7 FB |
2830 | if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0)) |
2831 | return -TARGET_EFAULT; | |
1bc012f6 | 2832 | host_mb = malloc(msgsz+sizeof(long)); |
cbb21eed | 2833 | host_mb->mtype = (abi_long) tswapal(target_mb->mtype); |
1c54ff97 | 2834 | memcpy(host_mb->mtext, target_mb->mtext, msgsz); |
1bc012f6 TS |
2835 | ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg)); |
2836 | free(host_mb); | |
2837 | unlock_user_struct(target_mb, msgp, 0); | |
2838 | ||
2839 | return ret; | |
2840 | } | |
2841 | ||
992f48a0 | 2842 | static inline abi_long do_msgrcv(int msqid, abi_long msgp, |
1c54ff97 | 2843 | unsigned int msgsz, abi_long msgtyp, |
992f48a0 | 2844 | int msgflg) |
1bc012f6 TS |
2845 | { |
2846 | struct target_msgbuf *target_mb; | |
579a97f7 | 2847 | char *target_mtext; |
1bc012f6 | 2848 | struct msgbuf *host_mb; |
992f48a0 | 2849 | abi_long ret = 0; |
1bc012f6 | 2850 | |
579a97f7 FB |
2851 | if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0)) |
2852 | return -TARGET_EFAULT; | |
1c54ff97 | 2853 | |
0d07fe47 | 2854 | host_mb = g_malloc(msgsz+sizeof(long)); |
79dd77de | 2855 | ret = get_errno(msgrcv(msqid, host_mb, msgsz, msgtyp, msgflg)); |
1c54ff97 | 2856 | |
579a97f7 FB |
2857 | if (ret > 0) { |
2858 | abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong); | |
2859 | target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0); | |
2860 | if (!target_mtext) { | |
2861 | ret = -TARGET_EFAULT; | |
2862 | goto end; | |
2863 | } | |
1c54ff97 | 2864 | memcpy(target_mb->mtext, host_mb->mtext, ret); |
579a97f7 FB |
2865 | unlock_user(target_mtext, target_mtext_addr, ret); |
2866 | } | |
1c54ff97 | 2867 | |
cbb21eed | 2868 | target_mb->mtype = tswapal(host_mb->mtype); |
1bc012f6 | 2869 | |
579a97f7 FB |
2870 | end: |
2871 | if (target_mb) | |
2872 | unlock_user_struct(target_mb, msgp, 1); | |
0d07fe47 | 2873 | g_free(host_mb); |
1bc012f6 TS |
2874 | return ret; |
2875 | } | |
2876 | ||
88a8c984 RV |
2877 | struct target_shmid_ds |
2878 | { | |
2879 | struct target_ipc_perm shm_perm; | |
2880 | abi_ulong shm_segsz; | |
2881 | abi_ulong shm_atime; | |
2882 | #if TARGET_ABI_BITS == 32 | |
2883 | abi_ulong __unused1; | |
2884 | #endif | |
2885 | abi_ulong shm_dtime; | |
2886 | #if TARGET_ABI_BITS == 32 | |
2887 | abi_ulong __unused2; | |
2888 | #endif | |
2889 | abi_ulong shm_ctime; | |
2890 | #if TARGET_ABI_BITS == 32 | |
2891 | abi_ulong __unused3; | |
2892 | #endif | |
2893 | int shm_cpid; | |
2894 | int shm_lpid; | |
2895 | abi_ulong shm_nattch; | |
2896 | unsigned long int __unused4; | |
2897 | unsigned long int __unused5; | |
2898 | }; | |
2899 | ||
2900 | static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd, | |
2901 | abi_ulong target_addr) | |
2902 | { | |
2903 | struct target_shmid_ds *target_sd; | |
2904 | ||
2905 | if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1)) | |
2906 | return -TARGET_EFAULT; | |
2907 | if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr)) | |
2908 | return -TARGET_EFAULT; | |
2909 | __get_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
2910 | __get_user(host_sd->shm_atime, &target_sd->shm_atime); | |
2911 | __get_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
2912 | __get_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
2913 | __get_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
2914 | __get_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
2915 | __get_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
2916 | unlock_user_struct(target_sd, target_addr, 0); | |
2917 | return 0; | |
2918 | } | |
2919 | ||
2920 | static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr, | |
2921 | struct shmid_ds *host_sd) | |
2922 | { | |
2923 | struct target_shmid_ds *target_sd; | |
2924 | ||
2925 | if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0)) | |
2926 | return -TARGET_EFAULT; | |
2927 | if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm))) | |
2928 | return -TARGET_EFAULT; | |
2929 | __put_user(host_sd->shm_segsz, &target_sd->shm_segsz); | |
2930 | __put_user(host_sd->shm_atime, &target_sd->shm_atime); | |
2931 | __put_user(host_sd->shm_dtime, &target_sd->shm_dtime); | |
2932 | __put_user(host_sd->shm_ctime, &target_sd->shm_ctime); | |
2933 | __put_user(host_sd->shm_cpid, &target_sd->shm_cpid); | |
2934 | __put_user(host_sd->shm_lpid, &target_sd->shm_lpid); | |
2935 | __put_user(host_sd->shm_nattch, &target_sd->shm_nattch); | |
2936 | unlock_user_struct(target_sd, target_addr, 1); | |
2937 | return 0; | |
2938 | } | |
2939 | ||
2940 | struct target_shminfo { | |
2941 | abi_ulong shmmax; | |
2942 | abi_ulong shmmin; | |
2943 | abi_ulong shmmni; | |
2944 | abi_ulong shmseg; | |
2945 | abi_ulong shmall; | |
2946 | }; | |
2947 | ||
2948 | static inline abi_long host_to_target_shminfo(abi_ulong target_addr, | |
2949 | struct shminfo *host_shminfo) | |
2950 | { | |
2951 | struct target_shminfo *target_shminfo; | |
2952 | if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0)) | |
2953 | return -TARGET_EFAULT; | |
2954 | __put_user(host_shminfo->shmmax, &target_shminfo->shmmax); | |
2955 | __put_user(host_shminfo->shmmin, &target_shminfo->shmmin); | |
2956 | __put_user(host_shminfo->shmmni, &target_shminfo->shmmni); | |
2957 | __put_user(host_shminfo->shmseg, &target_shminfo->shmseg); | |
2958 | __put_user(host_shminfo->shmall, &target_shminfo->shmall); | |
2959 | unlock_user_struct(target_shminfo, target_addr, 1); | |
2960 | return 0; | |
2961 | } | |
2962 | ||
2963 | struct target_shm_info { | |
2964 | int used_ids; | |
2965 | abi_ulong shm_tot; | |
2966 | abi_ulong shm_rss; | |
2967 | abi_ulong shm_swp; | |
2968 | abi_ulong swap_attempts; | |
2969 | abi_ulong swap_successes; | |
2970 | }; | |
2971 | ||
2972 | static inline abi_long host_to_target_shm_info(abi_ulong target_addr, | |
2973 | struct shm_info *host_shm_info) | |
2974 | { | |
2975 | struct target_shm_info *target_shm_info; | |
2976 | if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0)) | |
2977 | return -TARGET_EFAULT; | |
2978 | __put_user(host_shm_info->used_ids, &target_shm_info->used_ids); | |
2979 | __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot); | |
2980 | __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss); | |
2981 | __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp); | |
2982 | __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts); | |
2983 | __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes); | |
2984 | unlock_user_struct(target_shm_info, target_addr, 1); | |
2985 | return 0; | |
2986 | } | |
2987 | ||
2988 | static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf) | |
2989 | { | |
2990 | struct shmid_ds dsarg; | |
2991 | struct shminfo shminfo; | |
2992 | struct shm_info shm_info; | |
2993 | abi_long ret = -TARGET_EINVAL; | |
2994 | ||
2995 | cmd &= 0xff; | |
2996 | ||
2997 | switch(cmd) { | |
2998 | case IPC_STAT: | |
2999 | case IPC_SET: | |
3000 | case SHM_STAT: | |
3001 | if (target_to_host_shmid_ds(&dsarg, buf)) | |
3002 | return -TARGET_EFAULT; | |
3003 | ret = get_errno(shmctl(shmid, cmd, &dsarg)); | |
3004 | if (host_to_target_shmid_ds(buf, &dsarg)) | |
3005 | return -TARGET_EFAULT; | |
3006 | break; | |
3007 | case IPC_INFO: | |
3008 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo)); | |
3009 | if (host_to_target_shminfo(buf, &shminfo)) | |
3010 | return -TARGET_EFAULT; | |
3011 | break; | |
3012 | case SHM_INFO: | |
3013 | ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info)); | |
3014 | if (host_to_target_shm_info(buf, &shm_info)) | |
3015 | return -TARGET_EFAULT; | |
3016 | break; | |
3017 | case IPC_RMID: | |
3018 | case SHM_LOCK: | |
3019 | case SHM_UNLOCK: | |
3020 | ret = get_errno(shmctl(shmid, cmd, NULL)); | |
3021 | break; | |
3022 | } | |
3023 | ||
3024 | return ret; | |
3025 | } | |
3026 | ||
3027 | static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg) | |
3028 | { | |
3029 | abi_long raddr; | |
3030 | void *host_raddr; | |
3031 | struct shmid_ds shm_info; | |
3032 | int i,ret; | |
3033 | ||
3034 | /* find out the length of the shared memory segment */ | |
3035 | ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info)); | |
3036 | if (is_error(ret)) { | |
3037 | /* can't get length, bail out */ | |
3038 | return ret; | |
3039 | } | |
3040 | ||
3041 | mmap_lock(); | |
3042 | ||
3043 | if (shmaddr) | |
3044 | host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg); | |
3045 | else { | |
3046 | abi_ulong mmap_start; | |
3047 | ||
3048 | mmap_start = mmap_find_vma(0, shm_info.shm_segsz); | |
3049 | ||
3050 | if (mmap_start == -1) { | |
3051 | errno = ENOMEM; | |
3052 | host_raddr = (void *)-1; | |
3053 | } else | |
3054 | host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP); | |
3055 | } | |
3056 | ||
3057 | if (host_raddr == (void *)-1) { | |
3058 | mmap_unlock(); | |
3059 | return get_errno((long)host_raddr); | |
3060 | } | |
3061 | raddr=h2g((unsigned long)host_raddr); | |
3062 | ||
3063 | page_set_flags(raddr, raddr + shm_info.shm_segsz, | |
3064 | PAGE_VALID | PAGE_READ | | |
3065 | ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE)); | |
3066 | ||
3067 | for (i = 0; i < N_SHM_REGIONS; i++) { | |
3068 | if (shm_regions[i].start == 0) { | |
3069 | shm_regions[i].start = raddr; | |
3070 | shm_regions[i].size = shm_info.shm_segsz; | |
3071 | break; | |
3072 | } | |
3073 | } | |
3074 | ||
3075 | mmap_unlock(); | |
3076 | return raddr; | |
3077 | ||
3078 | } | |
3079 | ||
3080 | static inline abi_long do_shmdt(abi_ulong shmaddr) | |
3081 | { | |
3082 | int i; | |
3083 | ||
3084 | for (i = 0; i < N_SHM_REGIONS; ++i) { | |
3085 | if (shm_regions[i].start == shmaddr) { | |
3086 | shm_regions[i].start = 0; | |
e00ac249 | 3087 | page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0); |
88a8c984 RV |
3088 | break; |
3089 | } | |
3090 | } | |
3091 | ||
3092 | return get_errno(shmdt(g2h(shmaddr))); | |
3093 | } | |
3094 | ||
1c54ff97 | 3095 | #ifdef TARGET_NR_ipc |
53a5960a | 3096 | /* ??? This only works with linear mappings. */ |
0da46a6e | 3097 | /* do_ipc() must return target values and target errnos. */ |
992f48a0 BS |
3098 | static abi_long do_ipc(unsigned int call, int first, |
3099 | int second, int third, | |
3100 | abi_long ptr, abi_long fifth) | |
8853f86e FB |
3101 | { |
3102 | int version; | |
992f48a0 | 3103 | abi_long ret = 0; |
8853f86e FB |
3104 | |
3105 | version = call >> 16; | |
3106 | call &= 0xffff; | |
3107 | ||
3108 | switch (call) { | |
fa294816 | 3109 | case IPCOP_semop: |
e5289087 | 3110 | ret = do_semop(first, ptr, second); |
fa294816 TS |
3111 | break; |
3112 | ||
3113 | case IPCOP_semget: | |
3114 | ret = get_errno(semget(first, second, third)); | |
3115 | break; | |
3116 | ||
3117 | case IPCOP_semctl: | |
e5289087 | 3118 | ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr); |
fa294816 | 3119 | break; |
d96372ef | 3120 | |
1c54ff97 AJ |
3121 | case IPCOP_msgget: |
3122 | ret = get_errno(msgget(first, second)); | |
3123 | break; | |
d96372ef | 3124 | |
1c54ff97 AJ |
3125 | case IPCOP_msgsnd: |
3126 | ret = do_msgsnd(first, ptr, second, third); | |
3127 | break; | |
d96372ef | 3128 | |
1c54ff97 AJ |
3129 | case IPCOP_msgctl: |
3130 | ret = do_msgctl(first, second, ptr); | |
3131 | break; | |
d96372ef | 3132 | |
1c54ff97 AJ |
3133 | case IPCOP_msgrcv: |
3134 | switch (version) { | |
3135 | case 0: | |
3136 | { | |
3137 | struct target_ipc_kludge { | |
3138 | abi_long msgp; | |
3139 | abi_long msgtyp; | |
3140 | } *tmp; | |
3141 | ||
3142 | if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) { | |
3143 | ret = -TARGET_EFAULT; | |
3144 | break; | |
3145 | } | |
d96372ef | 3146 | |
79dd77de | 3147 | ret = do_msgrcv(first, tswapal(tmp->msgp), second, tswapal(tmp->msgtyp), third); |
d96372ef | 3148 | |
1c54ff97 AJ |
3149 | unlock_user_struct(tmp, ptr, 0); |
3150 | break; | |
3151 | } | |
3152 | default: | |
3153 | ret = do_msgrcv(first, ptr, second, fifth, third); | |
3154 | } | |
3155 | break; | |
d96372ef | 3156 | |
8853f86e | 3157 | case IPCOP_shmat: |
88a8c984 RV |
3158 | switch (version) { |
3159 | default: | |
5a4a898d FB |
3160 | { |
3161 | abi_ulong raddr; | |
88a8c984 RV |
3162 | raddr = do_shmat(first, ptr, second); |
3163 | if (is_error(raddr)) | |
3164 | return get_errno(raddr); | |
2f619698 | 3165 | if (put_user_ual(raddr, third)) |
5a4a898d | 3166 | return -TARGET_EFAULT; |
88a8c984 RV |
3167 | break; |
3168 | } | |
3169 | case 1: | |
3170 | ret = -TARGET_EINVAL; | |
3171 | break; | |
5a4a898d | 3172 | } |
8853f86e FB |
3173 | break; |
3174 | case IPCOP_shmdt: | |
88a8c984 | 3175 | ret = do_shmdt(ptr); |
8853f86e FB |
3176 | break; |
3177 | ||
3178 | case IPCOP_shmget: | |
3179 | /* IPC_* flag values are the same on all linux platforms */ | |
3180 | ret = get_errno(shmget(first, second, third)); | |
3181 | break; | |
3182 | ||
3183 | /* IPC_* and SHM_* command values are the same on all linux platforms */ | |
3184 | case IPCOP_shmctl: | |
88a8c984 | 3185 | ret = do_shmctl(first, second, third); |
8853f86e FB |
3186 | break; |
3187 | default: | |
32407103 | 3188 | gemu_log("Unsupported ipc call: %d (version %d)\n", call, version); |
0da46a6e | 3189 | ret = -TARGET_ENOSYS; |
8853f86e FB |
3190 | break; |
3191 | } | |
3192 | return ret; | |
3193 | } | |
32407103 | 3194 | #endif |
8853f86e | 3195 | |
31e31b8a | 3196 | /* kernel structure types definitions */ |
31e31b8a | 3197 | |
001faf32 | 3198 | #define STRUCT(name, ...) STRUCT_ ## name, |
31e31b8a FB |
3199 | #define STRUCT_SPECIAL(name) STRUCT_ ## name, |
3200 | enum { | |
3201 | #include "syscall_types.h" | |
3202 | }; | |
3203 | #undef STRUCT | |
3204 | #undef STRUCT_SPECIAL | |
3205 | ||
001faf32 | 3206 | #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL }; |
31e31b8a FB |
3207 | #define STRUCT_SPECIAL(name) |
3208 | #include "syscall_types.h" | |
3209 | #undef STRUCT | |
3210 | #undef STRUCT_SPECIAL | |
3211 | ||
d2ef05bb PM |
3212 | typedef struct IOCTLEntry IOCTLEntry; |
3213 | ||
3214 | typedef abi_long do_ioctl_fn(const IOCTLEntry *ie, uint8_t *buf_temp, | |
3215 | int fd, abi_long cmd, abi_long arg); | |
3216 | ||
3217 | struct IOCTLEntry { | |
2ab83ea7 FB |
3218 | unsigned int target_cmd; |
3219 | unsigned int host_cmd; | |
31e31b8a FB |
3220 | const char *name; |
3221 | int access; | |
d2ef05bb | 3222 | do_ioctl_fn *do_ioctl; |
1a9353d2 | 3223 | const argtype arg_type[5]; |
d2ef05bb | 3224 | }; |
31e31b8a FB |
3225 | |
3226 | #define IOC_R 0x0001 | |
3227 | #define IOC_W 0x0002 | |
3228 | #define IOC_RW (IOC_R | IOC_W) | |
3229 | ||
3230 | #define MAX_STRUCT_SIZE 4096 | |
3231 | ||
dace20dc | 3232 | #ifdef CONFIG_FIEMAP |
285da2b9 PM |
3233 | /* So fiemap access checks don't overflow on 32 bit systems. |
3234 | * This is very slightly smaller than the limit imposed by | |
3235 | * the underlying kernel. | |
3236 | */ | |
3237 | #define FIEMAP_MAX_EXTENTS ((UINT_MAX - sizeof(struct fiemap)) \ | |
3238 | / sizeof(struct fiemap_extent)) | |
3239 | ||
3240 | static abi_long do_ioctl_fs_ioc_fiemap(const IOCTLEntry *ie, uint8_t *buf_temp, | |
3241 | int fd, abi_long cmd, abi_long arg) | |
3242 | { | |
3243 | /* The parameter for this ioctl is a struct fiemap followed | |
3244 | * by an array of struct fiemap_extent whose size is set | |
3245 | * in fiemap->fm_extent_count. The array is filled in by the | |
3246 | * ioctl. | |
3247 | */ | |
3248 | int target_size_in, target_size_out; | |
3249 | struct fiemap *fm; | |
3250 | const argtype *arg_type = ie->arg_type; | |
3251 | const argtype extent_arg_type[] = { MK_STRUCT(STRUCT_fiemap_extent) }; | |
3252 | void *argptr, *p; | |
3253 | abi_long ret; | |
3254 | int i, extent_size = thunk_type_size(extent_arg_type, 0); | |
3255 | uint32_t outbufsz; | |
3256 | int free_fm = 0; | |
3257 | ||
3258 | assert(arg_type[0] == TYPE_PTR); | |
3259 | assert(ie->access == IOC_RW); | |
3260 | arg_type++; | |
3261 | target_size_in = thunk_type_size(arg_type, 0); | |
3262 | argptr = lock_user(VERIFY_READ, arg, target_size_in, 1); | |
3263 | if (!argptr) { | |
3264 | return -TARGET_EFAULT; | |
3265 | } | |
3266 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3267 | unlock_user(argptr, arg, 0); | |
3268 | fm = (struct fiemap *)buf_temp; | |
3269 | if (fm->fm_extent_count > FIEMAP_MAX_EXTENTS) { | |
3270 | return -TARGET_EINVAL; | |
3271 | } | |
3272 | ||
3273 | outbufsz = sizeof (*fm) + | |
3274 | (sizeof(struct fiemap_extent) * fm->fm_extent_count); | |
3275 | ||
3276 | if (outbufsz > MAX_STRUCT_SIZE) { | |
3277 | /* We can't fit all the extents into the fixed size buffer. | |
3278 | * Allocate one that is large enough and use it instead. | |
3279 | */ | |
3280 | fm = malloc(outbufsz); | |
3281 | if (!fm) { | |
3282 | return -TARGET_ENOMEM; | |
3283 | } | |
3284 | memcpy(fm, buf_temp, sizeof(struct fiemap)); | |
3285 | free_fm = 1; | |
3286 | } | |
3287 | ret = get_errno(ioctl(fd, ie->host_cmd, fm)); | |
3288 | if (!is_error(ret)) { | |
3289 | target_size_out = target_size_in; | |
3290 | /* An extent_count of 0 means we were only counting the extents | |
3291 | * so there are no structs to copy | |
3292 | */ | |
3293 | if (fm->fm_extent_count != 0) { | |
3294 | target_size_out += fm->fm_mapped_extents * extent_size; | |
3295 | } | |
3296 | argptr = lock_user(VERIFY_WRITE, arg, target_size_out, 0); | |
3297 | if (!argptr) { | |
3298 | ret = -TARGET_EFAULT; | |
3299 | } else { | |
3300 | /* Convert the struct fiemap */ | |
3301 | thunk_convert(argptr, fm, arg_type, THUNK_TARGET); | |
3302 | if (fm->fm_extent_count != 0) { | |
3303 | p = argptr + target_size_in; | |
3304 | /* ...and then all the struct fiemap_extents */ | |
3305 | for (i = 0; i < fm->fm_mapped_extents; i++) { | |
3306 | thunk_convert(p, &fm->fm_extents[i], extent_arg_type, | |
3307 | THUNK_TARGET); | |
3308 | p += extent_size; | |
3309 | } | |
3310 | } | |
3311 | unlock_user(argptr, arg, target_size_out); | |
3312 | } | |
3313 | } | |
3314 | if (free_fm) { | |
3315 | free(fm); | |
3316 | } | |
3317 | return ret; | |
3318 | } | |
dace20dc | 3319 | #endif |
285da2b9 | 3320 | |
059c2f2c LV |
3321 | static abi_long do_ioctl_ifconf(const IOCTLEntry *ie, uint8_t *buf_temp, |
3322 | int fd, abi_long cmd, abi_long arg) | |
3323 | { | |
3324 | const argtype *arg_type = ie->arg_type; | |
3325 | int target_size; | |
3326 | void *argptr; | |
3327 | int ret; | |
3328 | struct ifconf *host_ifconf; | |
3329 | uint32_t outbufsz; | |
3330 | const argtype ifreq_arg_type[] = { MK_STRUCT(STRUCT_sockaddr_ifreq) }; | |
3331 | int target_ifreq_size; | |
3332 | int nb_ifreq; | |
3333 | int free_buf = 0; | |
3334 | int i; | |
3335 | int target_ifc_len; | |
3336 | abi_long target_ifc_buf; | |
3337 | int host_ifc_len; | |
3338 | char *host_ifc_buf; | |
3339 | ||
3340 | assert(arg_type[0] == TYPE_PTR); | |
3341 | assert(ie->access == IOC_RW); | |
3342 | ||
3343 | arg_type++; | |
3344 | target_size = thunk_type_size(arg_type, 0); | |
3345 | ||
3346 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3347 | if (!argptr) | |
3348 | return -TARGET_EFAULT; | |
3349 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3350 | unlock_user(argptr, arg, 0); | |
3351 | ||
3352 | host_ifconf = (struct ifconf *)(unsigned long)buf_temp; | |
3353 | target_ifc_len = host_ifconf->ifc_len; | |
3354 | target_ifc_buf = (abi_long)(unsigned long)host_ifconf->ifc_buf; | |
3355 | ||
3356 | target_ifreq_size = thunk_type_size(ifreq_arg_type, 0); | |
3357 | nb_ifreq = target_ifc_len / target_ifreq_size; | |
3358 | host_ifc_len = nb_ifreq * sizeof(struct ifreq); | |
3359 | ||
3360 | outbufsz = sizeof(*host_ifconf) + host_ifc_len; | |
3361 | if (outbufsz > MAX_STRUCT_SIZE) { | |
3362 | /* We can't fit all the extents into the fixed size buffer. | |
3363 | * Allocate one that is large enough and use it instead. | |
3364 | */ | |
3365 | host_ifconf = malloc(outbufsz); | |
3366 | if (!host_ifconf) { | |
3367 | return -TARGET_ENOMEM; | |
3368 | } | |
3369 | memcpy(host_ifconf, buf_temp, sizeof(*host_ifconf)); | |
3370 | free_buf = 1; | |
3371 | } | |
3372 | host_ifc_buf = (char*)host_ifconf + sizeof(*host_ifconf); | |
3373 | ||
3374 | host_ifconf->ifc_len = host_ifc_len; | |
3375 | host_ifconf->ifc_buf = host_ifc_buf; | |
3376 | ||
3377 | ret = get_errno(ioctl(fd, ie->host_cmd, host_ifconf)); | |
3378 | if (!is_error(ret)) { | |
3379 | /* convert host ifc_len to target ifc_len */ | |
3380 | ||
3381 | nb_ifreq = host_ifconf->ifc_len / sizeof(struct ifreq); | |
3382 | target_ifc_len = nb_ifreq * target_ifreq_size; | |
3383 | host_ifconf->ifc_len = target_ifc_len; | |
3384 | ||
3385 | /* restore target ifc_buf */ | |
3386 | ||
3387 | host_ifconf->ifc_buf = (char *)(unsigned long)target_ifc_buf; | |
3388 | ||
3389 | /* copy struct ifconf to target user */ | |
3390 | ||
3391 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
3392 | if (!argptr) | |
3393 | return -TARGET_EFAULT; | |
3394 | thunk_convert(argptr, host_ifconf, arg_type, THUNK_TARGET); | |
3395 | unlock_user(argptr, arg, target_size); | |
3396 | ||
3397 | /* copy ifreq[] to target user */ | |
3398 | ||
3399 | argptr = lock_user(VERIFY_WRITE, target_ifc_buf, target_ifc_len, 0); | |
3400 | for (i = 0; i < nb_ifreq ; i++) { | |
3401 | thunk_convert(argptr + i * target_ifreq_size, | |
3402 | host_ifc_buf + i * sizeof(struct ifreq), | |
3403 | ifreq_arg_type, THUNK_TARGET); | |
3404 | } | |
3405 | unlock_user(argptr, target_ifc_buf, target_ifc_len); | |
3406 | } | |
3407 | ||
3408 | if (free_buf) { | |
3409 | free(host_ifconf); | |
3410 | } | |
3411 | ||
3412 | return ret; | |
3413 | } | |
3414 | ||
56e904ec AG |
3415 | static abi_long do_ioctl_dm(const IOCTLEntry *ie, uint8_t *buf_temp, int fd, |
3416 | abi_long cmd, abi_long arg) | |
3417 | { | |
3418 | void *argptr; | |
3419 | struct dm_ioctl *host_dm; | |
3420 | abi_long guest_data; | |
3421 | uint32_t guest_data_size; | |
3422 | int target_size; | |
3423 | const argtype *arg_type = ie->arg_type; | |
3424 | abi_long ret; | |
3425 | void *big_buf = NULL; | |
3426 | char *host_data; | |
3427 | ||
3428 | arg_type++; | |
3429 | target_size = thunk_type_size(arg_type, 0); | |
3430 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3431 | if (!argptr) { | |
3432 | ret = -TARGET_EFAULT; | |
3433 | goto out; | |
3434 | } | |
3435 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); | |
3436 | unlock_user(argptr, arg, 0); | |
3437 | ||
3438 | /* buf_temp is too small, so fetch things into a bigger buffer */ | |
3439 | big_buf = g_malloc0(((struct dm_ioctl*)buf_temp)->data_size * 2); | |
3440 | memcpy(big_buf, buf_temp, target_size); | |
3441 | buf_temp = big_buf; | |
3442 | host_dm = big_buf; | |
3443 | ||
3444 | guest_data = arg + host_dm->data_start; | |
3445 | if ((guest_data - arg) < 0) { | |
3446 | ret = -EINVAL; | |
3447 | goto out; | |
3448 | } | |
3449 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
3450 | host_data = (char*)host_dm + host_dm->data_start; | |
3451 | ||
3452 | argptr = lock_user(VERIFY_READ, guest_data, guest_data_size, 1); | |
3453 | switch (ie->host_cmd) { | |
3454 | case DM_REMOVE_ALL: | |
3455 | case DM_LIST_DEVICES: | |
3456 | case DM_DEV_CREATE: | |
3457 | case DM_DEV_REMOVE: | |
3458 | case DM_DEV_SUSPEND: | |
3459 | case DM_DEV_STATUS: | |
3460 | case DM_DEV_WAIT: | |
3461 | case DM_TABLE_STATUS: | |
3462 | case DM_TABLE_CLEAR: | |
3463 | case DM_TABLE_DEPS: | |
3464 | case DM_LIST_VERSIONS: | |
3465 | /* no input data */ | |
3466 | break; | |
3467 | case DM_DEV_RENAME: | |
3468 | case DM_DEV_SET_GEOMETRY: | |
3469 | /* data contains only strings */ | |
3470 | memcpy(host_data, argptr, guest_data_size); | |
3471 | break; | |
3472 | case DM_TARGET_MSG: | |
3473 | memcpy(host_data, argptr, guest_data_size); | |
3474 | *(uint64_t*)host_data = tswap64(*(uint64_t*)argptr); | |
3475 | break; | |
3476 | case DM_TABLE_LOAD: | |
3477 | { | |
3478 | void *gspec = argptr; | |
3479 | void *cur_data = host_data; | |
3480 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
3481 | int spec_size = thunk_type_size(arg_type, 0); | |
3482 | int i; | |
3483 | ||
3484 | for (i = 0; i < host_dm->target_count; i++) { | |
3485 | struct dm_target_spec *spec = cur_data; | |
3486 | uint32_t next; | |
3487 | int slen; | |
3488 | ||
3489 | thunk_convert(spec, gspec, arg_type, THUNK_HOST); | |
3490 | slen = strlen((char*)gspec + spec_size) + 1; | |
3491 | next = spec->next; | |
3492 | spec->next = sizeof(*spec) + slen; | |
3493 | strcpy((char*)&spec[1], gspec + spec_size); | |
3494 | gspec += next; | |
3495 | cur_data += spec->next; | |
3496 | } | |
3497 | break; | |
3498 | } | |
3499 | default: | |
3500 | ret = -TARGET_EINVAL; | |
3501 | goto out; | |
3502 | } | |
3503 | unlock_user(argptr, guest_data, 0); | |
3504 | ||
3505 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); | |
3506 | if (!is_error(ret)) { | |
3507 | guest_data = arg + host_dm->data_start; | |
3508 | guest_data_size = host_dm->data_size - host_dm->data_start; | |
3509 | argptr = lock_user(VERIFY_WRITE, guest_data, guest_data_size, 0); | |
3510 | switch (ie->host_cmd) { | |
3511 | case DM_REMOVE_ALL: | |
3512 | case DM_DEV_CREATE: | |
3513 | case DM_DEV_REMOVE: | |
3514 | case DM_DEV_RENAME: | |
3515 | case DM_DEV_SUSPEND: | |
3516 | case DM_DEV_STATUS: | |
3517 | case DM_TABLE_LOAD: | |
3518 | case DM_TABLE_CLEAR: | |
3519 | case DM_TARGET_MSG: | |
3520 | case DM_DEV_SET_GEOMETRY: | |
3521 | /* no return data */ | |
3522 | break; | |
3523 | case DM_LIST_DEVICES: | |
3524 | { | |
3525 | struct dm_name_list *nl = (void*)host_dm + host_dm->data_start; | |
3526 | uint32_t remaining_data = guest_data_size; | |
3527 | void *cur_data = argptr; | |
3528 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_name_list) }; | |
3529 | int nl_size = 12; /* can't use thunk_size due to alignment */ | |
3530 | ||
3531 | while (1) { | |
3532 | uint32_t next = nl->next; | |
3533 | if (next) { | |
3534 | nl->next = nl_size + (strlen(nl->name) + 1); | |
3535 | } | |
3536 | if (remaining_data < nl->next) { | |
3537 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
3538 | break; | |
3539 | } | |
3540 | thunk_convert(cur_data, nl, arg_type, THUNK_TARGET); | |
3541 | strcpy(cur_data + nl_size, nl->name); | |
3542 | cur_data += nl->next; | |
3543 | remaining_data -= nl->next; | |
3544 | if (!next) { | |
3545 | break; | |
3546 | } | |
3547 | nl = (void*)nl + next; | |
3548 | } | |
3549 | break; | |
3550 | } | |
3551 | case DM_DEV_WAIT: | |
3552 | case DM_TABLE_STATUS: | |
3553 | { | |
3554 | struct dm_target_spec *spec = (void*)host_dm + host_dm->data_start; | |
3555 | void *cur_data = argptr; | |
3556 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_spec) }; | |
3557 | int spec_size = thunk_type_size(arg_type, 0); | |
3558 | int i; | |
3559 | ||
3560 | for (i = 0; i < host_dm->target_count; i++) { | |
3561 | uint32_t next = spec->next; | |
3562 | int slen = strlen((char*)&spec[1]) + 1; | |
3563 | spec->next = (cur_data - argptr) + spec_size + slen; | |
3564 | if (guest_data_size < spec->next) { | |
3565 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
3566 | break; | |
3567 | } | |
3568 | thunk_convert(cur_data, spec, arg_type, THUNK_TARGET); | |
3569 | strcpy(cur_data + spec_size, (char*)&spec[1]); | |
3570 | cur_data = argptr + spec->next; | |
3571 | spec = (void*)host_dm + host_dm->data_start + next; | |
3572 | } | |
3573 | break; | |
3574 | } | |
3575 | case DM_TABLE_DEPS: | |
3576 | { | |
3577 | void *hdata = (void*)host_dm + host_dm->data_start; | |
3578 | int count = *(uint32_t*)hdata; | |
3579 | uint64_t *hdev = hdata + 8; | |
3580 | uint64_t *gdev = argptr + 8; | |
3581 | int i; | |
3582 | ||
3583 | *(uint32_t*)argptr = tswap32(count); | |
3584 | for (i = 0; i < count; i++) { | |
3585 | *gdev = tswap64(*hdev); | |
3586 | gdev++; | |
3587 | hdev++; | |
3588 | } | |
3589 | break; | |
3590 | } | |
3591 | case DM_LIST_VERSIONS: | |
3592 | { | |
3593 | struct dm_target_versions *vers = (void*)host_dm + host_dm->data_start; | |
3594 | uint32_t remaining_data = guest_data_size; | |
3595 | void *cur_data = argptr; | |
3596 | const argtype arg_type[] = { MK_STRUCT(STRUCT_dm_target_versions) }; | |
3597 | int vers_size = thunk_type_size(arg_type, 0); | |
3598 | ||
3599 | while (1) { | |
3600 | uint32_t next = vers->next; | |
3601 | if (next) { | |
3602 | vers->next = vers_size + (strlen(vers->name) + 1); | |
3603 | } | |
3604 | if (remaining_data < vers->next) { | |
3605 | host_dm->flags |= DM_BUFFER_FULL_FLAG; | |
3606 | break; | |
3607 | } | |
3608 | thunk_convert(cur_data, vers, arg_type, THUNK_TARGET); | |
3609 | strcpy(cur_data + vers_size, vers->name); | |
3610 | cur_data += vers->next; | |
3611 | remaining_data -= vers->next; | |
3612 | if (!next) { | |
3613 | break; | |
3614 | } | |
3615 | vers = (void*)vers + next; | |
3616 | } | |
3617 | break; | |
3618 | } | |
3619 | default: | |
3620 | ret = -TARGET_EINVAL; | |
3621 | goto out; | |
3622 | } | |
3623 | unlock_user(argptr, guest_data, guest_data_size); | |
3624 | ||
3625 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); | |
3626 | if (!argptr) { | |
3627 | ret = -TARGET_EFAULT; | |
3628 | goto out; | |
3629 | } | |
3630 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); | |
3631 | unlock_user(argptr, arg, target_size); | |
3632 | } | |
3633 | out: | |
ad11ad77 | 3634 | g_free(big_buf); |
56e904ec AG |
3635 | return ret; |
3636 | } | |
3637 | ||
7ff7b666 LV |
3638 | static abi_long do_ioctl_rt(const IOCTLEntry *ie, uint8_t *buf_temp, |
3639 | int fd, abi_long cmd, abi_long arg) | |
3640 | { | |
3641 | const argtype *arg_type = ie->arg_type; | |
3642 | const StructEntry *se; | |
3643 | const argtype *field_types; | |
3644 | const int *dst_offsets, *src_offsets; | |
3645 | int target_size; | |
3646 | void *argptr; | |
3647 | abi_ulong *target_rt_dev_ptr; | |
3648 | unsigned long *host_rt_dev_ptr; | |
3649 | abi_long ret; | |
3650 | int i; | |
3651 | ||
3652 | assert(ie->access == IOC_W); | |
3653 | assert(*arg_type == TYPE_PTR); | |
3654 | arg_type++; | |
3655 | assert(*arg_type == TYPE_STRUCT); | |
3656 | target_size = thunk_type_size(arg_type, 0); | |
3657 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); | |
3658 | if (!argptr) { | |
3659 | return -TARGET_EFAULT; | |
3660 | } | |
3661 | arg_type++; | |
3662 | assert(*arg_type == (int)STRUCT_rtentry); | |
3663 | se = struct_entries + *arg_type++; | |
3664 | assert(se->convert[0] == NULL); | |
3665 | /* convert struct here to be able to catch rt_dev string */ | |
3666 | field_types = se->field_types; | |
3667 | dst_offsets = se->field_offsets[THUNK_HOST]; | |
3668 | src_offsets = se->field_offsets[THUNK_TARGET]; | |
3669 | for (i = 0; i < se->nb_fields; i++) { | |
3670 | if (dst_offsets[i] == offsetof(struct rtentry, rt_dev)) { | |
3671 | assert(*field_types == TYPE_PTRVOID); | |
3672 | target_rt_dev_ptr = (abi_ulong *)(argptr + src_offsets[i]); | |
3673 | host_rt_dev_ptr = (unsigned long *)(buf_temp + dst_offsets[i]); | |
3674 | if (*target_rt_dev_ptr != 0) { | |
3675 | *host_rt_dev_ptr = (unsigned long)lock_user_string( | |
3676 | tswapal(*target_rt_dev_ptr)); | |
3677 | if (!*host_rt_dev_ptr) { | |
3678 | unlock_user(argptr, arg, 0); | |
3679 | return -TARGET_EFAULT; | |
3680 | } | |
3681 | } else { | |
3682 | *host_rt_dev_ptr = 0; | |
3683 | } | |
3684 | field_types++; | |
3685 | continue; | |
3686 | } | |
3687 | field_types = thunk_convert(buf_temp + dst_offsets[i], | |
3688 | argptr + src_offsets[i], | |
3689 | field_types, THUNK_HOST); | |
3690 | } | |
3691 | unlock_user(argptr, arg, 0); | |
3692 | ||
3693 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); | |
3694 | if (*host_rt_dev_ptr != 0) { | |
3695 | unlock_user((void *)*host_rt_dev_ptr, | |
3696 | *target_rt_dev_ptr, 0); | |
3697 | } | |
3698 | return ret; | |
3699 | } | |
3700 | ||
9f106a75 | 3701 | static IOCTLEntry ioctl_entries[] = { |
001faf32 | 3702 | #define IOCTL(cmd, access, ...) \ |
d2ef05bb PM |
3703 | { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, |
3704 | #define IOCTL_SPECIAL(cmd, access, dofn, ...) \ | |
3705 | { TARGET_ ## cmd, cmd, #cmd, access, dofn, { __VA_ARGS__ } }, | |
31e31b8a FB |
3706 | #include "ioctls.h" |
3707 | { 0, 0, }, | |
3708 | }; | |
3709 | ||
53a5960a | 3710 | /* ??? Implement proper locking for ioctls. */ |
0da46a6e | 3711 | /* do_ioctl() Must return target values and target errnos. */ |
992f48a0 | 3712 | static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg) |
31e31b8a FB |
3713 | { |
3714 | const IOCTLEntry *ie; | |
3715 | const argtype *arg_type; | |
992f48a0 | 3716 | abi_long ret; |
31e31b8a | 3717 | uint8_t buf_temp[MAX_STRUCT_SIZE]; |
53a5960a PB |
3718 | int target_size; |
3719 | void *argptr; | |
31e31b8a FB |
3720 | |
3721 | ie = ioctl_entries; | |
3722 | for(;;) { | |
3723 | if (ie->target_cmd == 0) { | |
32407103 | 3724 | gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd); |
0da46a6e | 3725 | return -TARGET_ENOSYS; |
31e31b8a FB |
3726 | } |
3727 | if (ie->target_cmd == cmd) | |
3728 | break; | |
3729 | ie++; | |
3730 | } | |
3731 | arg_type = ie->arg_type; | |
9de5e440 | 3732 | #if defined(DEBUG) |
32407103 | 3733 | gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name); |
72f03900 | 3734 | #endif |
d2ef05bb PM |
3735 | if (ie->do_ioctl) { |
3736 | return ie->do_ioctl(ie, buf_temp, fd, cmd, arg); | |
3737 | } | |
3738 | ||
31e31b8a FB |
3739 | switch(arg_type[0]) { |
3740 | case TYPE_NULL: | |
3741 | /* no argument */ | |
3742 | ret = get_errno(ioctl(fd, ie->host_cmd)); | |
3743 | break; | |
3744 | case TYPE_PTRVOID: | |
3745 | case TYPE_INT: | |
3746 | /* int argment */ | |
3747 | ret = get_errno(ioctl(fd, ie->host_cmd, arg)); | |
3748 | break; | |
3749 | case TYPE_PTR: | |
3750 | arg_type++; | |
53a5960a | 3751 | target_size = thunk_type_size(arg_type, 0); |
31e31b8a FB |
3752 | switch(ie->access) { |
3753 | case IOC_R: | |
3754 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); | |
3755 | if (!is_error(ret)) { | |
579a97f7 FB |
3756 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
3757 | if (!argptr) | |
3758 | return -TARGET_EFAULT; | |
53a5960a PB |
3759 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
3760 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
3761 | } |
3762 | break; | |
3763 | case IOC_W: | |
579a97f7 FB |
3764 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
3765 | if (!argptr) | |
3766 | return -TARGET_EFAULT; | |
53a5960a PB |
3767 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3768 | unlock_user(argptr, arg, 0); | |
31e31b8a FB |
3769 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3770 | break; | |
3771 | default: | |
3772 | case IOC_RW: | |
579a97f7 FB |
3773 | argptr = lock_user(VERIFY_READ, arg, target_size, 1); |
3774 | if (!argptr) | |
3775 | return -TARGET_EFAULT; | |
53a5960a PB |
3776 | thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST); |
3777 | unlock_user(argptr, arg, 0); | |
31e31b8a FB |
3778 | ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp)); |
3779 | if (!is_error(ret)) { | |
579a97f7 FB |
3780 | argptr = lock_user(VERIFY_WRITE, arg, target_size, 0); |
3781 | if (!argptr) | |
3782 | return -TARGET_EFAULT; | |
53a5960a PB |
3783 | thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET); |
3784 | unlock_user(argptr, arg, target_size); | |
31e31b8a FB |
3785 | } |
3786 | break; | |
3787 | } | |
3788 | break; | |
3789 | default: | |
32407103 JM |
3790 | gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", |
3791 | (long)cmd, arg_type[0]); | |
0da46a6e | 3792 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
3793 | break; |
3794 | } | |
3795 | return ret; | |
3796 | } | |
3797 | ||
b39bc503 | 3798 | static const bitmask_transtbl iflag_tbl[] = { |
31e31b8a FB |
3799 | { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK }, |
3800 | { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT }, | |
3801 | { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR }, | |
3802 | { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK }, | |
3803 | { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK }, | |
3804 | { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP }, | |
3805 | { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR }, | |
3806 | { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR }, | |
3807 | { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL }, | |
3808 | { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC }, | |
3809 | { TARGET_IXON, TARGET_IXON, IXON, IXON }, | |
3810 | { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY }, | |
3811 | { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF }, | |
3812 | { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL }, | |
3813 | { 0, 0, 0, 0 } | |
3814 | }; | |
3815 | ||
b39bc503 | 3816 | static const bitmask_transtbl oflag_tbl[] = { |
31e31b8a FB |
3817 | { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST }, |
3818 | { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC }, | |
3819 | { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR }, | |
3820 | { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL }, | |
3821 | { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR }, | |
3822 | { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET }, | |
3823 | { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL }, | |
3824 | { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL }, | |
3825 | { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 }, | |
3826 | { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 }, | |
3827 | { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 }, | |
3828 | { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 }, | |
3829 | { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 }, | |
3830 | { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 }, | |
3831 | { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 }, | |
3832 | { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 }, | |
3833 | { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 }, | |
3834 | { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 }, | |
3835 | { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 }, | |
3836 | { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 }, | |
3837 | { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 }, | |
3838 | { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 }, | |
3839 | { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 }, | |
3840 | { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 }, | |
3841 | { 0, 0, 0, 0 } | |
3842 | }; | |
3843 | ||
b39bc503 | 3844 | static const bitmask_transtbl cflag_tbl[] = { |
31e31b8a FB |
3845 | { TARGET_CBAUD, TARGET_B0, CBAUD, B0 }, |
3846 | { TARGET_CBAUD, TARGET_B50, CBAUD, B50 }, | |
3847 | { TARGET_CBAUD, TARGET_B75, CBAUD, B75 }, | |
3848 | { TARGET_CBAUD, TARGET_B110, CBAUD, B110 }, | |
3849 | { TARGET_CBAUD, TARGET_B134, CBAUD, B134 }, | |
3850 | { TARGET_CBAUD, TARGET_B150, CBAUD, B150 }, | |
3851 | { TARGET_CBAUD, TARGET_B200, CBAUD, B200 }, | |
3852 | { TARGET_CBAUD, TARGET_B300, CBAUD, B300 }, | |
3853 | { TARGET_CBAUD, TARGET_B600, CBAUD, B600 }, | |
3854 | { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 }, | |
3855 | { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 }, | |
3856 | { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 }, | |
3857 | { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 }, | |
3858 | { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 }, | |
3859 | { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 }, | |
3860 | { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 }, | |
3861 | { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 }, | |
3862 | { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 }, | |
3863 | { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 }, | |
3864 | { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 }, | |
3865 | { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 }, | |
3866 | { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 }, | |
3867 | { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 }, | |
3868 | { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 }, | |
3869 | { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB }, | |
3870 | { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD }, | |
3871 | { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB }, | |
3872 | { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD }, | |
3873 | { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL }, | |
3874 | { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL }, | |
3875 | { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS }, | |
3876 | { 0, 0, 0, 0 } | |
3877 | }; | |
3878 | ||
b39bc503 | 3879 | static const bitmask_transtbl lflag_tbl[] = { |
31e31b8a FB |
3880 | { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG }, |
3881 | { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON }, | |
3882 | { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE }, | |
3883 | { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO }, | |
3884 | { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE }, | |
3885 | { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK }, | |
3886 | { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL }, | |
3887 | { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH }, | |
3888 | { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP }, | |
3889 | { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL }, | |
3890 | { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT }, | |
3891 | { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE }, | |
3892 | { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO }, | |
3893 | { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN }, | |
3894 | { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN }, | |
3895 | { 0, 0, 0, 0 } | |
3896 | }; | |
3897 | ||
3898 | static void target_to_host_termios (void *dst, const void *src) | |
3899 | { | |
3900 | struct host_termios *host = dst; | |
3901 | const struct target_termios *target = src; | |
3b46e624 | 3902 | |
5fafdf24 | 3903 | host->c_iflag = |
31e31b8a | 3904 | target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl); |
5fafdf24 | 3905 | host->c_oflag = |
31e31b8a | 3906 | target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl); |
5fafdf24 | 3907 | host->c_cflag = |
31e31b8a | 3908 | target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl); |
5fafdf24 | 3909 | host->c_lflag = |
31e31b8a FB |
3910 | target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl); |
3911 | host->c_line = target->c_line; | |
3b46e624 | 3912 | |
44607123 | 3913 | memset(host->c_cc, 0, sizeof(host->c_cc)); |
5fafdf24 TS |
3914 | host->c_cc[VINTR] = target->c_cc[TARGET_VINTR]; |
3915 | host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT]; | |
3b46e624 | 3916 | host->c_cc[VERASE] = target->c_cc[TARGET_VERASE]; |
5fafdf24 | 3917 | host->c_cc[VKILL] = target->c_cc[TARGET_VKILL]; |
3b46e624 | 3918 | host->c_cc[VEOF] = target->c_cc[TARGET_VEOF]; |
5fafdf24 | 3919 | host->c_cc[VTIME] = target->c_cc[TARGET_VTIME]; |
3b46e624 | 3920 | host->c_cc[VMIN] = target->c_cc[TARGET_VMIN]; |
5fafdf24 | 3921 | host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC]; |
3b46e624 | 3922 | host->c_cc[VSTART] = target->c_cc[TARGET_VSTART]; |
5fafdf24 TS |
3923 | host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP]; |
3924 | host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP]; | |
3b46e624 TS |
3925 | host->c_cc[VEOL] = target->c_cc[TARGET_VEOL]; |
3926 | host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT]; | |
3927 | host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD]; | |
3928 | host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE]; | |
3929 | host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT]; | |
5fafdf24 | 3930 | host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2]; |
31e31b8a | 3931 | } |
3b46e624 | 3932 | |
31e31b8a FB |
3933 | static void host_to_target_termios (void *dst, const void *src) |
3934 | { | |
3935 | struct target_termios *target = dst; | |
3936 | const struct host_termios *host = src; | |
3937 | ||
5fafdf24 | 3938 | target->c_iflag = |
31e31b8a | 3939 | tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl)); |
5fafdf24 | 3940 | target->c_oflag = |
31e31b8a | 3941 | tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl)); |
5fafdf24 | 3942 | target->c_cflag = |
31e31b8a | 3943 | tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl)); |
5fafdf24 | 3944 | target->c_lflag = |
31e31b8a FB |
3945 | tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl)); |
3946 | target->c_line = host->c_line; | |
3b46e624 | 3947 | |
44607123 | 3948 | memset(target->c_cc, 0, sizeof(target->c_cc)); |
31e31b8a FB |
3949 | target->c_cc[TARGET_VINTR] = host->c_cc[VINTR]; |
3950 | target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT]; | |
3951 | target->c_cc[TARGET_VERASE] = host->c_cc[VERASE]; | |
3952 | target->c_cc[TARGET_VKILL] = host->c_cc[VKILL]; | |
3953 | target->c_cc[TARGET_VEOF] = host->c_cc[VEOF]; | |
3954 | target->c_cc[TARGET_VTIME] = host->c_cc[VTIME]; | |
3955 | target->c_cc[TARGET_VMIN] = host->c_cc[VMIN]; | |
3956 | target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC]; | |
3957 | target->c_cc[TARGET_VSTART] = host->c_cc[VSTART]; | |
3958 | target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP]; | |
3959 | target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP]; | |
3960 | target->c_cc[TARGET_VEOL] = host->c_cc[VEOL]; | |
3961 | target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT]; | |
3962 | target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD]; | |
3963 | target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE]; | |
3964 | target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT]; | |
3965 | target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2]; | |
3966 | } | |
3967 | ||
8e853dc7 | 3968 | static const StructEntry struct_termios_def = { |
31e31b8a FB |
3969 | .convert = { host_to_target_termios, target_to_host_termios }, |
3970 | .size = { sizeof(struct target_termios), sizeof(struct host_termios) }, | |
3971 | .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) }, | |
3972 | }; | |
3973 | ||
5286db75 FB |
3974 | static bitmask_transtbl mmap_flags_tbl[] = { |
3975 | { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED }, | |
3976 | { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE }, | |
3977 | { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED }, | |
3978 | { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS }, | |
3979 | { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN }, | |
3980 | { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE }, | |
3981 | { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE }, | |
3982 | { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED }, | |
3983 | { 0, 0, 0, 0 } | |
3984 | }; | |
3985 | ||
2ab83ea7 | 3986 | #if defined(TARGET_I386) |
6dbad63e FB |
3987 | |
3988 | /* NOTE: there is really one LDT for all the threads */ | |
b1d8e52e | 3989 | static uint8_t *ldt_table; |
6dbad63e | 3990 | |
03acab66 | 3991 | static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount) |
6dbad63e FB |
3992 | { |
3993 | int size; | |
53a5960a | 3994 | void *p; |
6dbad63e FB |
3995 | |
3996 | if (!ldt_table) | |
3997 | return 0; | |
3998 | size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE; | |
3999 | if (size > bytecount) | |
4000 | size = bytecount; | |
579a97f7 FB |
4001 | p = lock_user(VERIFY_WRITE, ptr, size, 0); |
4002 | if (!p) | |
03acab66 | 4003 | return -TARGET_EFAULT; |
579a97f7 | 4004 | /* ??? Should this by byteswapped? */ |
53a5960a PB |
4005 | memcpy(p, ldt_table, size); |
4006 | unlock_user(p, ptr, size); | |
6dbad63e FB |
4007 | return size; |
4008 | } | |
4009 | ||
4010 | /* XXX: add locking support */ | |
03acab66 FB |
4011 | static abi_long write_ldt(CPUX86State *env, |
4012 | abi_ulong ptr, unsigned long bytecount, int oldmode) | |
6dbad63e FB |
4013 | { |
4014 | struct target_modify_ldt_ldt_s ldt_info; | |
53a5960a | 4015 | struct target_modify_ldt_ldt_s *target_ldt_info; |
6dbad63e | 4016 | int seg_32bit, contents, read_exec_only, limit_in_pages; |
8d18e893 | 4017 | int seg_not_present, useable, lm; |
6dbad63e FB |
4018 | uint32_t *lp, entry_1, entry_2; |
4019 | ||
4020 | if (bytecount != sizeof(ldt_info)) | |
03acab66 | 4021 | return -TARGET_EINVAL; |
579a97f7 | 4022 | if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1)) |
03acab66 | 4023 | return -TARGET_EFAULT; |
53a5960a | 4024 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); |
cbb21eed | 4025 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
53a5960a PB |
4026 | ldt_info.limit = tswap32(target_ldt_info->limit); |
4027 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
4028 | unlock_user_struct(target_ldt_info, ptr, 0); | |
3b46e624 | 4029 | |
6dbad63e | 4030 | if (ldt_info.entry_number >= TARGET_LDT_ENTRIES) |
03acab66 | 4031 | return -TARGET_EINVAL; |
6dbad63e FB |
4032 | seg_32bit = ldt_info.flags & 1; |
4033 | contents = (ldt_info.flags >> 1) & 3; | |
4034 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
4035 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
4036 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
4037 | useable = (ldt_info.flags >> 6) & 1; | |
8d18e893 FB |
4038 | #ifdef TARGET_ABI32 |
4039 | lm = 0; | |
4040 | #else | |
4041 | lm = (ldt_info.flags >> 7) & 1; | |
4042 | #endif | |
6dbad63e FB |
4043 | if (contents == 3) { |
4044 | if (oldmode) | |
03acab66 | 4045 | return -TARGET_EINVAL; |
6dbad63e | 4046 | if (seg_not_present == 0) |
03acab66 | 4047 | return -TARGET_EINVAL; |
6dbad63e FB |
4048 | } |
4049 | /* allocate the LDT */ | |
4050 | if (!ldt_table) { | |
e441570f AZ |
4051 | env->ldt.base = target_mmap(0, |
4052 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE, | |
4053 | PROT_READ|PROT_WRITE, | |
4054 | MAP_ANONYMOUS|MAP_PRIVATE, -1, 0); | |
4055 | if (env->ldt.base == -1) | |
03acab66 | 4056 | return -TARGET_ENOMEM; |
e441570f AZ |
4057 | memset(g2h(env->ldt.base), 0, |
4058 | TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE); | |
6dbad63e | 4059 | env->ldt.limit = 0xffff; |
e441570f | 4060 | ldt_table = g2h(env->ldt.base); |
6dbad63e FB |
4061 | } |
4062 | ||
4063 | /* NOTE: same code as Linux kernel */ | |
4064 | /* Allow LDTs to be cleared by the user. */ | |
4065 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
4066 | if (oldmode || | |
4067 | (contents == 0 && | |
4068 | read_exec_only == 1 && | |
4069 | seg_32bit == 0 && | |
4070 | limit_in_pages == 0 && | |
4071 | seg_not_present == 1 && | |
4072 | useable == 0 )) { | |
4073 | entry_1 = 0; | |
4074 | entry_2 = 0; | |
4075 | goto install; | |
4076 | } | |
4077 | } | |
3b46e624 | 4078 | |
6dbad63e FB |
4079 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | |
4080 | (ldt_info.limit & 0x0ffff); | |
4081 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
4082 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
4083 | (ldt_info.limit & 0xf0000) | | |
4084 | ((read_exec_only ^ 1) << 9) | | |
4085 | (contents << 10) | | |
4086 | ((seg_not_present ^ 1) << 15) | | |
4087 | (seg_32bit << 22) | | |
4088 | (limit_in_pages << 23) | | |
8d18e893 | 4089 | (lm << 21) | |
6dbad63e FB |
4090 | 0x7000; |
4091 | if (!oldmode) | |
4092 | entry_2 |= (useable << 20); | |
14ae3ba7 | 4093 | |
6dbad63e FB |
4094 | /* Install the new entry ... */ |
4095 | install: | |
4096 | lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3)); | |
4097 | lp[0] = tswap32(entry_1); | |
4098 | lp[1] = tswap32(entry_2); | |
4099 | return 0; | |
4100 | } | |
4101 | ||
4102 | /* specific and weird i386 syscalls */ | |
8fcd3692 BS |
4103 | static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr, |
4104 | unsigned long bytecount) | |
6dbad63e | 4105 | { |
03acab66 | 4106 | abi_long ret; |
3b46e624 | 4107 | |
6dbad63e FB |
4108 | switch (func) { |
4109 | case 0: | |
4110 | ret = read_ldt(ptr, bytecount); | |
4111 | break; | |
4112 | case 1: | |
4113 | ret = write_ldt(env, ptr, bytecount, 1); | |
4114 | break; | |
4115 | case 0x11: | |
4116 | ret = write_ldt(env, ptr, bytecount, 0); | |
4117 | break; | |
03acab66 FB |
4118 | default: |
4119 | ret = -TARGET_ENOSYS; | |
4120 | break; | |
6dbad63e FB |
4121 | } |
4122 | return ret; | |
4123 | } | |
1b6b029e | 4124 | |
4583f589 | 4125 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
bc22eb44 | 4126 | abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
4127 | { |
4128 | uint64_t *gdt_table = g2h(env->gdt.base); | |
4129 | struct target_modify_ldt_ldt_s ldt_info; | |
4130 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
4131 | int seg_32bit, contents, read_exec_only, limit_in_pages; | |
4132 | int seg_not_present, useable, lm; | |
4133 | uint32_t *lp, entry_1, entry_2; | |
4134 | int i; | |
4135 | ||
4136 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
4137 | if (!target_ldt_info) | |
4138 | return -TARGET_EFAULT; | |
4139 | ldt_info.entry_number = tswap32(target_ldt_info->entry_number); | |
cbb21eed | 4140 | ldt_info.base_addr = tswapal(target_ldt_info->base_addr); |
8d18e893 FB |
4141 | ldt_info.limit = tswap32(target_ldt_info->limit); |
4142 | ldt_info.flags = tswap32(target_ldt_info->flags); | |
4143 | if (ldt_info.entry_number == -1) { | |
4144 | for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) { | |
4145 | if (gdt_table[i] == 0) { | |
4146 | ldt_info.entry_number = i; | |
4147 | target_ldt_info->entry_number = tswap32(i); | |
4148 | break; | |
4149 | } | |
4150 | } | |
4151 | } | |
4152 | unlock_user_struct(target_ldt_info, ptr, 1); | |
4153 | ||
4154 | if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN || | |
4155 | ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX) | |
4156 | return -TARGET_EINVAL; | |
4157 | seg_32bit = ldt_info.flags & 1; | |
4158 | contents = (ldt_info.flags >> 1) & 3; | |
4159 | read_exec_only = (ldt_info.flags >> 3) & 1; | |
4160 | limit_in_pages = (ldt_info.flags >> 4) & 1; | |
4161 | seg_not_present = (ldt_info.flags >> 5) & 1; | |
4162 | useable = (ldt_info.flags >> 6) & 1; | |
4163 | #ifdef TARGET_ABI32 | |
4164 | lm = 0; | |
4165 | #else | |
4166 | lm = (ldt_info.flags >> 7) & 1; | |
4167 | #endif | |
4168 | ||
4169 | if (contents == 3) { | |
4170 | if (seg_not_present == 0) | |
4171 | return -TARGET_EINVAL; | |
4172 | } | |
4173 | ||
4174 | /* NOTE: same code as Linux kernel */ | |
4175 | /* Allow LDTs to be cleared by the user. */ | |
4176 | if (ldt_info.base_addr == 0 && ldt_info.limit == 0) { | |
4177 | if ((contents == 0 && | |
4178 | read_exec_only == 1 && | |
4179 | seg_32bit == 0 && | |
4180 | limit_in_pages == 0 && | |
4181 | seg_not_present == 1 && | |
4182 | useable == 0 )) { | |
4183 | entry_1 = 0; | |
4184 | entry_2 = 0; | |
4185 | goto install; | |
4186 | } | |
4187 | } | |
4188 | ||
4189 | entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) | | |
4190 | (ldt_info.limit & 0x0ffff); | |
4191 | entry_2 = (ldt_info.base_addr & 0xff000000) | | |
4192 | ((ldt_info.base_addr & 0x00ff0000) >> 16) | | |
4193 | (ldt_info.limit & 0xf0000) | | |
4194 | ((read_exec_only ^ 1) << 9) | | |
4195 | (contents << 10) | | |
4196 | ((seg_not_present ^ 1) << 15) | | |
4197 | (seg_32bit << 22) | | |
4198 | (limit_in_pages << 23) | | |
4199 | (useable << 20) | | |
4200 | (lm << 21) | | |
4201 | 0x7000; | |
4202 | ||
4203 | /* Install the new entry ... */ | |
4204 | install: | |
4205 | lp = (uint32_t *)(gdt_table + ldt_info.entry_number); | |
4206 | lp[0] = tswap32(entry_1); | |
4207 | lp[1] = tswap32(entry_2); | |
4208 | return 0; | |
4209 | } | |
4210 | ||
8fcd3692 | 4211 | static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr) |
8d18e893 FB |
4212 | { |
4213 | struct target_modify_ldt_ldt_s *target_ldt_info; | |
4214 | uint64_t *gdt_table = g2h(env->gdt.base); | |
4215 | uint32_t base_addr, limit, flags; | |
4216 | int seg_32bit, contents, read_exec_only, limit_in_pages, idx; | |
4217 | int seg_not_present, useable, lm; | |
4218 | uint32_t *lp, entry_1, entry_2; | |
4219 | ||
4220 | lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1); | |
4221 | if (!target_ldt_info) | |
4222 | return -TARGET_EFAULT; | |
4223 | idx = tswap32(target_ldt_info->entry_number); | |
4224 | if (idx < TARGET_GDT_ENTRY_TLS_MIN || | |
4225 | idx > TARGET_GDT_ENTRY_TLS_MAX) { | |
4226 | unlock_user_struct(target_ldt_info, ptr, 1); | |
4227 | return -TARGET_EINVAL; | |
4228 | } | |
4229 | lp = (uint32_t *)(gdt_table + idx); | |
4230 | entry_1 = tswap32(lp[0]); | |
4231 | entry_2 = tswap32(lp[1]); | |
4232 | ||
4233 | read_exec_only = ((entry_2 >> 9) & 1) ^ 1; | |
4234 | contents = (entry_2 >> 10) & 3; | |
4235 | seg_not_present = ((entry_2 >> 15) & 1) ^ 1; | |
4236 | seg_32bit = (entry_2 >> 22) & 1; | |
4237 | limit_in_pages = (entry_2 >> 23) & 1; | |
4238 | useable = (entry_2 >> 20) & 1; | |
4239 | #ifdef TARGET_ABI32 | |
4240 | lm = 0; | |
4241 | #else | |
4242 | lm = (entry_2 >> 21) & 1; | |
4243 | #endif | |
4244 | flags = (seg_32bit << 0) | (contents << 1) | | |
4245 | (read_exec_only << 3) | (limit_in_pages << 4) | | |
4246 | (seg_not_present << 5) | (useable << 6) | (lm << 7); | |
4247 | limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000); | |
4248 | base_addr = (entry_1 >> 16) | | |
4249 | (entry_2 & 0xff000000) | | |
4250 | ((entry_2 & 0xff) << 16); | |
cbb21eed | 4251 | target_ldt_info->base_addr = tswapal(base_addr); |
8d18e893 FB |
4252 | target_ldt_info->limit = tswap32(limit); |
4253 | target_ldt_info->flags = tswap32(flags); | |
4254 | unlock_user_struct(target_ldt_info, ptr, 1); | |
4255 | return 0; | |
4256 | } | |
4583f589 | 4257 | #endif /* TARGET_I386 && TARGET_ABI32 */ |
8d18e893 | 4258 | |
d2fd1af7 | 4259 | #ifndef TARGET_ABI32 |
2667e71c | 4260 | abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr) |
d2fd1af7 | 4261 | { |
1add8698 | 4262 | abi_long ret = 0; |
d2fd1af7 FB |
4263 | abi_ulong val; |
4264 | int idx; | |
1add8698 | 4265 | |
d2fd1af7 FB |
4266 | switch(code) { |
4267 | case TARGET_ARCH_SET_GS: | |
4268 | case TARGET_ARCH_SET_FS: | |
4269 | if (code == TARGET_ARCH_SET_GS) | |
4270 | idx = R_GS; | |
4271 | else | |
4272 | idx = R_FS; | |
4273 | cpu_x86_load_seg(env, idx, 0); | |
4274 | env->segs[idx].base = addr; | |
4275 | break; | |
4276 | case TARGET_ARCH_GET_GS: | |
4277 | case TARGET_ARCH_GET_FS: | |
4278 | if (code == TARGET_ARCH_GET_GS) | |
4279 | idx = R_GS; | |
4280 | else | |
4281 | idx = R_FS; | |
4282 | val = env->segs[idx].base; | |
4283 | if (put_user(val, addr, abi_ulong)) | |
1add8698 | 4284 | ret = -TARGET_EFAULT; |
d2fd1af7 FB |
4285 | break; |
4286 | default: | |
4287 | ret = -TARGET_EINVAL; | |
4288 | break; | |
4289 | } | |
1add8698 | 4290 | return ret; |
d2fd1af7 FB |
4291 | } |
4292 | #endif | |
4293 | ||
2ab83ea7 FB |
4294 | #endif /* defined(TARGET_I386) */ |
4295 | ||
05098a93 | 4296 | #define NEW_STACK_SIZE 0x40000 |
d865bab5 | 4297 | |
d865bab5 PB |
4298 | |
4299 | static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER; | |
4300 | typedef struct { | |
9349b4f9 | 4301 | CPUArchState *env; |
d865bab5 PB |
4302 | pthread_mutex_t mutex; |
4303 | pthread_cond_t cond; | |
4304 | pthread_t thread; | |
4305 | uint32_t tid; | |
4306 | abi_ulong child_tidptr; | |
4307 | abi_ulong parent_tidptr; | |
4308 | sigset_t sigmask; | |
4309 | } new_thread_info; | |
4310 | ||
4311 | static void *clone_func(void *arg) | |
4312 | { | |
4313 | new_thread_info *info = arg; | |
9349b4f9 | 4314 | CPUArchState *env; |
0d34282f | 4315 | CPUState *cpu; |
edf8e2af | 4316 | TaskState *ts; |
d865bab5 PB |
4317 | |
4318 | env = info->env; | |
0d34282f | 4319 | cpu = ENV_GET_CPU(env); |
a2247f8e AF |
4320 | thread_cpu = cpu; |
4321 | ts = (TaskState *)env->opaque; | |
d865bab5 | 4322 | info->tid = gettid(); |
0d34282f | 4323 | cpu->host_tid = info->tid; |
edf8e2af | 4324 | task_settid(ts); |
d865bab5 PB |
4325 | if (info->child_tidptr) |
4326 | put_user_u32(info->tid, info->child_tidptr); | |
4327 | if (info->parent_tidptr) | |
4328 | put_user_u32(info->tid, info->parent_tidptr); | |
4329 | /* Enable signals. */ | |
4330 | sigprocmask(SIG_SETMASK, &info->sigmask, NULL); | |
4331 | /* Signal to the parent that we're ready. */ | |
4332 | pthread_mutex_lock(&info->mutex); | |
4333 | pthread_cond_broadcast(&info->cond); | |
4334 | pthread_mutex_unlock(&info->mutex); | |
4335 | /* Wait until the parent has finshed initializing the tls state. */ | |
4336 | pthread_mutex_lock(&clone_lock); | |
4337 | pthread_mutex_unlock(&clone_lock); | |
4338 | cpu_loop(env); | |
4339 | /* never exits */ | |
4340 | return NULL; | |
4341 | } | |
1b6b029e | 4342 | |
0da46a6e TS |
4343 | /* do_fork() Must return host values and target errnos (unlike most |
4344 | do_*() functions). */ | |
9349b4f9 | 4345 | static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp, |
d865bab5 PB |
4346 | abi_ulong parent_tidptr, target_ulong newtls, |
4347 | abi_ulong child_tidptr) | |
1b6b029e FB |
4348 | { |
4349 | int ret; | |
5cd4393b | 4350 | TaskState *ts; |
9349b4f9 | 4351 | CPUArchState *new_env; |
d865bab5 PB |
4352 | unsigned int nptl_flags; |
4353 | sigset_t sigmask; | |
3b46e624 | 4354 | |
436d124b AZ |
4355 | /* Emulate vfork() with fork() */ |
4356 | if (flags & CLONE_VFORK) | |
4357 | flags &= ~(CLONE_VFORK | CLONE_VM); | |
4358 | ||
1b6b029e | 4359 | if (flags & CLONE_VM) { |
edf8e2af | 4360 | TaskState *parent_ts = (TaskState *)env->opaque; |
d865bab5 PB |
4361 | new_thread_info info; |
4362 | pthread_attr_t attr; | |
24cb36a6 | 4363 | |
7267c094 | 4364 | ts = g_malloc0(sizeof(TaskState)); |
624f7979 | 4365 | init_task_state(ts); |
1b6b029e | 4366 | /* we create a new CPU instance. */ |
c5be9f08 | 4367 | new_env = cpu_copy(env); |
6e68e076 PB |
4368 | /* Init regs that differ from the parent. */ |
4369 | cpu_clone_regs(new_env, newsp); | |
5cd4393b | 4370 | new_env->opaque = ts; |
edf8e2af MW |
4371 | ts->bprm = parent_ts->bprm; |
4372 | ts->info = parent_ts->info; | |
d865bab5 PB |
4373 | nptl_flags = flags; |
4374 | flags &= ~CLONE_NPTL_FLAGS2; | |
4375 | ||
c2764719 PB |
4376 | if (nptl_flags & CLONE_CHILD_CLEARTID) { |
4377 | ts->child_tidptr = child_tidptr; | |
4378 | } | |
4379 | ||
d865bab5 PB |
4380 | if (nptl_flags & CLONE_SETTLS) |
4381 | cpu_set_tls (new_env, newtls); | |
4382 | ||
4383 | /* Grab a mutex so that thread setup appears atomic. */ | |
4384 | pthread_mutex_lock(&clone_lock); | |
4385 | ||
4386 | memset(&info, 0, sizeof(info)); | |
4387 | pthread_mutex_init(&info.mutex, NULL); | |
4388 | pthread_mutex_lock(&info.mutex); | |
4389 | pthread_cond_init(&info.cond, NULL); | |
4390 | info.env = new_env; | |
4391 | if (nptl_flags & CLONE_CHILD_SETTID) | |
4392 | info.child_tidptr = child_tidptr; | |
4393 | if (nptl_flags & CLONE_PARENT_SETTID) | |
4394 | info.parent_tidptr = parent_tidptr; | |
4395 | ||
4396 | ret = pthread_attr_init(&attr); | |
48e15fc2 NF |
4397 | ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE); |
4398 | ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); | |
d865bab5 PB |
4399 | /* It is not safe to deliver signals until the child has finished |
4400 | initializing, so temporarily block all signals. */ | |
4401 | sigfillset(&sigmask); | |
4402 | sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask); | |
4403 | ||
4404 | ret = pthread_create(&info.thread, &attr, clone_func, &info); | |
c2764719 | 4405 | /* TODO: Free new CPU state if thread creation failed. */ |
d865bab5 PB |
4406 | |
4407 | sigprocmask(SIG_SETMASK, &info.sigmask, NULL); | |
4408 | pthread_attr_destroy(&attr); | |
4409 | if (ret == 0) { | |
4410 | /* Wait for the child to initialize. */ | |
4411 | pthread_cond_wait(&info.cond, &info.mutex); | |
4412 | ret = info.tid; | |
4413 | if (flags & CLONE_PARENT_SETTID) | |
4414 | put_user_u32(ret, parent_tidptr); | |
4415 | } else { | |
4416 | ret = -1; | |
4417 | } | |
4418 | pthread_mutex_unlock(&info.mutex); | |
4419 | pthread_cond_destroy(&info.cond); | |
4420 | pthread_mutex_destroy(&info.mutex); | |
4421 | pthread_mutex_unlock(&clone_lock); | |
1b6b029e FB |
4422 | } else { |
4423 | /* if no CLONE_VM, we consider it is a fork */ | |
d865bab5 | 4424 | if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0) |
1b6b029e | 4425 | return -EINVAL; |
d865bab5 | 4426 | fork_start(); |
1b6b029e | 4427 | ret = fork(); |
d865bab5 | 4428 | if (ret == 0) { |
2b1319c8 | 4429 | /* Child Process. */ |
d865bab5 PB |
4430 | cpu_clone_regs(env, newsp); |
4431 | fork_end(1); | |
2b1319c8 AJ |
4432 | /* There is a race condition here. The parent process could |
4433 | theoretically read the TID in the child process before the child | |
4434 | tid is set. This would require using either ptrace | |
4435 | (not implemented) or having *_tidptr to point at a shared memory | |
4436 | mapping. We can't repeat the spinlock hack used above because | |
4437 | the child process gets its own copy of the lock. */ | |
d865bab5 PB |
4438 | if (flags & CLONE_CHILD_SETTID) |
4439 | put_user_u32(gettid(), child_tidptr); | |
4440 | if (flags & CLONE_PARENT_SETTID) | |
4441 | put_user_u32(gettid(), parent_tidptr); | |
4442 | ts = (TaskState *)env->opaque; | |
4443 | if (flags & CLONE_SETTLS) | |
4444 | cpu_set_tls (env, newtls); | |
c2764719 PB |
4445 | if (flags & CLONE_CHILD_CLEARTID) |
4446 | ts->child_tidptr = child_tidptr; | |
d865bab5 PB |
4447 | } else { |
4448 | fork_end(0); | |
4449 | } | |
1b6b029e FB |
4450 | } |
4451 | return ret; | |
4452 | } | |
4453 | ||
5f106811 APR |
4454 | /* warning : doesn't handle linux specific flags... */ |
4455 | static int target_to_host_fcntl_cmd(int cmd) | |
4456 | { | |
4457 | switch(cmd) { | |
4458 | case TARGET_F_DUPFD: | |
4459 | case TARGET_F_GETFD: | |
4460 | case TARGET_F_SETFD: | |
4461 | case TARGET_F_GETFL: | |
4462 | case TARGET_F_SETFL: | |
4463 | return cmd; | |
4464 | case TARGET_F_GETLK: | |
4465 | return F_GETLK; | |
4466 | case TARGET_F_SETLK: | |
4467 | return F_SETLK; | |
4468 | case TARGET_F_SETLKW: | |
4469 | return F_SETLKW; | |
4470 | case TARGET_F_GETOWN: | |
4471 | return F_GETOWN; | |
4472 | case TARGET_F_SETOWN: | |
4473 | return F_SETOWN; | |
4474 | case TARGET_F_GETSIG: | |
4475 | return F_GETSIG; | |
4476 | case TARGET_F_SETSIG: | |
4477 | return F_SETSIG; | |
4478 | #if TARGET_ABI_BITS == 32 | |
4479 | case TARGET_F_GETLK64: | |
4480 | return F_GETLK64; | |
4481 | case TARGET_F_SETLK64: | |
4482 | return F_SETLK64; | |
4483 | case TARGET_F_SETLKW64: | |
4484 | return F_SETLKW64; | |
4485 | #endif | |
7e22e546 UH |
4486 | case TARGET_F_SETLEASE: |
4487 | return F_SETLEASE; | |
4488 | case TARGET_F_GETLEASE: | |
4489 | return F_GETLEASE; | |
fbd5de9b | 4490 | #ifdef F_DUPFD_CLOEXEC |
7e22e546 UH |
4491 | case TARGET_F_DUPFD_CLOEXEC: |
4492 | return F_DUPFD_CLOEXEC; | |
fbd5de9b | 4493 | #endif |
7e22e546 UH |
4494 | case TARGET_F_NOTIFY: |
4495 | return F_NOTIFY; | |
5f106811 APR |
4496 | default: |
4497 | return -TARGET_EINVAL; | |
4498 | } | |
4499 | return -TARGET_EINVAL; | |
4500 | } | |
4501 | ||
2ba7f730 LV |
4502 | #define TRANSTBL_CONVERT(a) { -1, TARGET_##a, -1, a } |
4503 | static const bitmask_transtbl flock_tbl[] = { | |
4504 | TRANSTBL_CONVERT(F_RDLCK), | |
4505 | TRANSTBL_CONVERT(F_WRLCK), | |
4506 | TRANSTBL_CONVERT(F_UNLCK), | |
4507 | TRANSTBL_CONVERT(F_EXLCK), | |
4508 | TRANSTBL_CONVERT(F_SHLCK), | |
4509 | { 0, 0, 0, 0 } | |
4510 | }; | |
4511 | ||
992f48a0 | 4512 | static abi_long do_fcntl(int fd, int cmd, abi_ulong arg) |
7775e9ec FB |
4513 | { |
4514 | struct flock fl; | |
53a5960a | 4515 | struct target_flock *target_fl; |
43f238d7 TS |
4516 | struct flock64 fl64; |
4517 | struct target_flock64 *target_fl64; | |
992f48a0 | 4518 | abi_long ret; |
5f106811 APR |
4519 | int host_cmd = target_to_host_fcntl_cmd(cmd); |
4520 | ||
4521 | if (host_cmd == -TARGET_EINVAL) | |
4522 | return host_cmd; | |
53a5960a | 4523 | |
7775e9ec FB |
4524 | switch(cmd) { |
4525 | case TARGET_F_GETLK: | |
579a97f7 FB |
4526 | if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
4527 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4528 | fl.l_type = |
4529 | target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl); | |
5813427b | 4530 | fl.l_whence = tswap16(target_fl->l_whence); |
cbb21eed MB |
4531 | fl.l_start = tswapal(target_fl->l_start); |
4532 | fl.l_len = tswapal(target_fl->l_len); | |
7e22e546 | 4533 | fl.l_pid = tswap32(target_fl->l_pid); |
5813427b | 4534 | unlock_user_struct(target_fl, arg, 0); |
5f106811 | 4535 | ret = get_errno(fcntl(fd, host_cmd, &fl)); |
7775e9ec | 4536 | if (ret == 0) { |
579a97f7 FB |
4537 | if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0)) |
4538 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4539 | target_fl->l_type = |
4540 | host_to_target_bitmask(tswap16(fl.l_type), flock_tbl); | |
7775e9ec | 4541 | target_fl->l_whence = tswap16(fl.l_whence); |
cbb21eed MB |
4542 | target_fl->l_start = tswapal(fl.l_start); |
4543 | target_fl->l_len = tswapal(fl.l_len); | |
7e22e546 | 4544 | target_fl->l_pid = tswap32(fl.l_pid); |
53a5960a | 4545 | unlock_user_struct(target_fl, arg, 1); |
7775e9ec FB |
4546 | } |
4547 | break; | |
3b46e624 | 4548 | |
7775e9ec FB |
4549 | case TARGET_F_SETLK: |
4550 | case TARGET_F_SETLKW: | |
579a97f7 FB |
4551 | if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1)) |
4552 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4553 | fl.l_type = |
4554 | target_to_host_bitmask(tswap16(target_fl->l_type), flock_tbl); | |
7775e9ec | 4555 | fl.l_whence = tswap16(target_fl->l_whence); |
cbb21eed MB |
4556 | fl.l_start = tswapal(target_fl->l_start); |
4557 | fl.l_len = tswapal(target_fl->l_len); | |
7e22e546 | 4558 | fl.l_pid = tswap32(target_fl->l_pid); |
53a5960a | 4559 | unlock_user_struct(target_fl, arg, 0); |
5f106811 | 4560 | ret = get_errno(fcntl(fd, host_cmd, &fl)); |
7775e9ec | 4561 | break; |
3b46e624 | 4562 | |
7775e9ec | 4563 | case TARGET_F_GETLK64: |
579a97f7 FB |
4564 | if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
4565 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4566 | fl64.l_type = |
4567 | target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1; | |
5813427b | 4568 | fl64.l_whence = tswap16(target_fl64->l_whence); |
cbb21eed MB |
4569 | fl64.l_start = tswap64(target_fl64->l_start); |
4570 | fl64.l_len = tswap64(target_fl64->l_len); | |
7e22e546 | 4571 | fl64.l_pid = tswap32(target_fl64->l_pid); |
5813427b | 4572 | unlock_user_struct(target_fl64, arg, 0); |
5f106811 | 4573 | ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
43f238d7 | 4574 | if (ret == 0) { |
579a97f7 FB |
4575 | if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0)) |
4576 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4577 | target_fl64->l_type = |
4578 | host_to_target_bitmask(tswap16(fl64.l_type), flock_tbl) >> 1; | |
43f238d7 | 4579 | target_fl64->l_whence = tswap16(fl64.l_whence); |
cbb21eed MB |
4580 | target_fl64->l_start = tswap64(fl64.l_start); |
4581 | target_fl64->l_len = tswap64(fl64.l_len); | |
7e22e546 | 4582 | target_fl64->l_pid = tswap32(fl64.l_pid); |
43f238d7 TS |
4583 | unlock_user_struct(target_fl64, arg, 1); |
4584 | } | |
9ee1fa2c | 4585 | break; |
7775e9ec FB |
4586 | case TARGET_F_SETLK64: |
4587 | case TARGET_F_SETLKW64: | |
579a97f7 FB |
4588 | if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1)) |
4589 | return -TARGET_EFAULT; | |
2ba7f730 LV |
4590 | fl64.l_type = |
4591 | target_to_host_bitmask(tswap16(target_fl64->l_type), flock_tbl) >> 1; | |
43f238d7 | 4592 | fl64.l_whence = tswap16(target_fl64->l_whence); |
cbb21eed MB |
4593 | fl64.l_start = tswap64(target_fl64->l_start); |
4594 | fl64.l_len = tswap64(target_fl64->l_len); | |
7e22e546 | 4595 | fl64.l_pid = tswap32(target_fl64->l_pid); |
43f238d7 | 4596 | unlock_user_struct(target_fl64, arg, 0); |
5f106811 | 4597 | ret = get_errno(fcntl(fd, host_cmd, &fl64)); |
7775e9ec FB |
4598 | break; |
4599 | ||
5f106811 APR |
4600 | case TARGET_F_GETFL: |
4601 | ret = get_errno(fcntl(fd, host_cmd, arg)); | |
9ee1fa2c FB |
4602 | if (ret >= 0) { |
4603 | ret = host_to_target_bitmask(ret, fcntl_flags_tbl); | |
4604 | } | |
ffa65c3b FB |
4605 | break; |
4606 | ||
5f106811 APR |
4607 | case TARGET_F_SETFL: |
4608 | ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl))); | |
4609 | break; | |
4610 | ||
4611 | case TARGET_F_SETOWN: | |
4612 | case TARGET_F_GETOWN: | |
4613 | case TARGET_F_SETSIG: | |
4614 | case TARGET_F_GETSIG: | |
7e22e546 UH |
4615 | case TARGET_F_SETLEASE: |
4616 | case TARGET_F_GETLEASE: | |
5f106811 | 4617 | ret = get_errno(fcntl(fd, host_cmd, arg)); |
ffa65c3b FB |
4618 | break; |
4619 | ||
7775e9ec | 4620 | default: |
9ee1fa2c | 4621 | ret = get_errno(fcntl(fd, cmd, arg)); |
7775e9ec FB |
4622 | break; |
4623 | } | |
4624 | return ret; | |
4625 | } | |
4626 | ||
67867308 | 4627 | #ifdef USE_UID16 |
7775e9ec | 4628 | |
67867308 FB |
4629 | static inline int high2lowuid(int uid) |
4630 | { | |
4631 | if (uid > 65535) | |
4632 | return 65534; | |
4633 | else | |
4634 | return uid; | |
4635 | } | |
4636 | ||
4637 | static inline int high2lowgid(int gid) | |
4638 | { | |
4639 | if (gid > 65535) | |
4640 | return 65534; | |
4641 | else | |
4642 | return gid; | |
4643 | } | |
4644 | ||
4645 | static inline int low2highuid(int uid) | |
4646 | { | |
4647 | if ((int16_t)uid == -1) | |
4648 | return -1; | |
4649 | else | |
4650 | return uid; | |
4651 | } | |
4652 | ||
4653 | static inline int low2highgid(int gid) | |
4654 | { | |
4655 | if ((int16_t)gid == -1) | |
4656 | return -1; | |
4657 | else | |
4658 | return gid; | |
4659 | } | |
0c866a7e RV |
4660 | static inline int tswapid(int id) |
4661 | { | |
4662 | return tswap16(id); | |
4663 | } | |
4664 | #else /* !USE_UID16 */ | |
4665 | static inline int high2lowuid(int uid) | |
4666 | { | |
4667 | return uid; | |
4668 | } | |
4669 | static inline int high2lowgid(int gid) | |
4670 | { | |
4671 | return gid; | |
4672 | } | |
4673 | static inline int low2highuid(int uid) | |
4674 | { | |
4675 | return uid; | |
4676 | } | |
4677 | static inline int low2highgid(int gid) | |
4678 | { | |
4679 | return gid; | |
4680 | } | |
4681 | static inline int tswapid(int id) | |
4682 | { | |
4683 | return tswap32(id); | |
4684 | } | |
67867308 | 4685 | #endif /* USE_UID16 */ |
1b6b029e | 4686 | |
31e31b8a FB |
4687 | void syscall_init(void) |
4688 | { | |
2ab83ea7 FB |
4689 | IOCTLEntry *ie; |
4690 | const argtype *arg_type; | |
4691 | int size; | |
b92c47c1 | 4692 | int i; |
2ab83ea7 | 4693 | |
001faf32 | 4694 | #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def); |
5fafdf24 | 4695 | #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def); |
31e31b8a FB |
4696 | #include "syscall_types.h" |
4697 | #undef STRUCT | |
4698 | #undef STRUCT_SPECIAL | |
2ab83ea7 | 4699 | |
dd6e957a PM |
4700 | /* Build target_to_host_errno_table[] table from |
4701 | * host_to_target_errno_table[]. */ | |
4702 | for (i = 0; i < ERRNO_TABLE_SIZE; i++) { | |
4703 | target_to_host_errno_table[host_to_target_errno_table[i]] = i; | |
4704 | } | |
4705 | ||
2ab83ea7 FB |
4706 | /* we patch the ioctl size if necessary. We rely on the fact that |
4707 | no ioctl has all the bits at '1' in the size field */ | |
4708 | ie = ioctl_entries; | |
4709 | while (ie->target_cmd != 0) { | |
4710 | if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) == | |
4711 | TARGET_IOC_SIZEMASK) { | |
4712 | arg_type = ie->arg_type; | |
4713 | if (arg_type[0] != TYPE_PTR) { | |
5fafdf24 | 4714 | fprintf(stderr, "cannot patch size for ioctl 0x%x\n", |
2ab83ea7 FB |
4715 | ie->target_cmd); |
4716 | exit(1); | |
4717 | } | |
4718 | arg_type++; | |
4719 | size = thunk_type_size(arg_type, 0); | |
5fafdf24 | 4720 | ie->target_cmd = (ie->target_cmd & |
2ab83ea7 FB |
4721 | ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) | |
4722 | (size << TARGET_IOC_SIZESHIFT); | |
4723 | } | |
b92c47c1 | 4724 | |
2ab83ea7 | 4725 | /* automatic consistency check if same arch */ |
872ea0c0 AZ |
4726 | #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
4727 | (defined(__x86_64__) && defined(TARGET_X86_64)) | |
4728 | if (unlikely(ie->target_cmd != ie->host_cmd)) { | |
4729 | fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n", | |
4730 | ie->name, ie->target_cmd, ie->host_cmd); | |
2ab83ea7 FB |
4731 | } |
4732 | #endif | |
4733 | ie++; | |
4734 | } | |
31e31b8a | 4735 | } |
c573ff67 | 4736 | |
992f48a0 | 4737 | #if TARGET_ABI_BITS == 32 |
ce4defa0 PB |
4738 | static inline uint64_t target_offset64(uint32_t word0, uint32_t word1) |
4739 | { | |
af325d36 | 4740 | #ifdef TARGET_WORDS_BIGENDIAN |
ce4defa0 PB |
4741 | return ((uint64_t)word0 << 32) | word1; |
4742 | #else | |
4743 | return ((uint64_t)word1 << 32) | word0; | |
4744 | #endif | |
4745 | } | |
992f48a0 | 4746 | #else /* TARGET_ABI_BITS == 32 */ |
32407103 JM |
4747 | static inline uint64_t target_offset64(uint64_t word0, uint64_t word1) |
4748 | { | |
4749 | return word0; | |
4750 | } | |
992f48a0 | 4751 | #endif /* TARGET_ABI_BITS != 32 */ |
ce4defa0 PB |
4752 | |
4753 | #ifdef TARGET_NR_truncate64 | |
992f48a0 BS |
4754 | static inline abi_long target_truncate64(void *cpu_env, const char *arg1, |
4755 | abi_long arg2, | |
4756 | abi_long arg3, | |
4757 | abi_long arg4) | |
ce4defa0 | 4758 | { |
48e515d4 | 4759 | if (regpairs_aligned(cpu_env)) { |
ce4defa0 PB |
4760 | arg2 = arg3; |
4761 | arg3 = arg4; | |
48e515d4 | 4762 | } |
ce4defa0 PB |
4763 | return get_errno(truncate64(arg1, target_offset64(arg2, arg3))); |
4764 | } | |
4765 | #endif | |
4766 | ||
4767 | #ifdef TARGET_NR_ftruncate64 | |
992f48a0 BS |
4768 | static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1, |
4769 | abi_long arg2, | |
4770 | abi_long arg3, | |
4771 | abi_long arg4) | |
ce4defa0 | 4772 | { |
48e515d4 | 4773 | if (regpairs_aligned(cpu_env)) { |
ce4defa0 PB |
4774 | arg2 = arg3; |
4775 | arg3 = arg4; | |
48e515d4 | 4776 | } |
ce4defa0 PB |
4777 | return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3))); |
4778 | } | |
4779 | #endif | |
4780 | ||
579a97f7 FB |
4781 | static inline abi_long target_to_host_timespec(struct timespec *host_ts, |
4782 | abi_ulong target_addr) | |
53a5960a PB |
4783 | { |
4784 | struct target_timespec *target_ts; | |
4785 | ||
579a97f7 FB |
4786 | if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1)) |
4787 | return -TARGET_EFAULT; | |
cbb21eed MB |
4788 | host_ts->tv_sec = tswapal(target_ts->tv_sec); |
4789 | host_ts->tv_nsec = tswapal(target_ts->tv_nsec); | |
53a5960a | 4790 | unlock_user_struct(target_ts, target_addr, 0); |
b255bfa8 | 4791 | return 0; |
53a5960a PB |
4792 | } |
4793 | ||
579a97f7 FB |
4794 | static inline abi_long host_to_target_timespec(abi_ulong target_addr, |
4795 | struct timespec *host_ts) | |
53a5960a PB |
4796 | { |
4797 | struct target_timespec *target_ts; | |
4798 | ||
579a97f7 FB |
4799 | if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0)) |
4800 | return -TARGET_EFAULT; | |
cbb21eed MB |
4801 | target_ts->tv_sec = tswapal(host_ts->tv_sec); |
4802 | target_ts->tv_nsec = tswapal(host_ts->tv_nsec); | |
53a5960a | 4803 | unlock_user_struct(target_ts, target_addr, 1); |
b255bfa8 | 4804 | return 0; |
53a5960a PB |
4805 | } |
4806 | ||
9d33b76b | 4807 | #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat) |
6a24a778 AZ |
4808 | static inline abi_long host_to_target_stat64(void *cpu_env, |
4809 | abi_ulong target_addr, | |
4810 | struct stat *host_st) | |
4811 | { | |
09701199 | 4812 | #if defined(TARGET_ARM) && defined(TARGET_ABI32) |
6a24a778 AZ |
4813 | if (((CPUARMState *)cpu_env)->eabi) { |
4814 | struct target_eabi_stat64 *target_st; | |
4815 | ||
4816 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
4817 | return -TARGET_EFAULT; | |
4818 | memset(target_st, 0, sizeof(struct target_eabi_stat64)); | |
4819 | __put_user(host_st->st_dev, &target_st->st_dev); | |
4820 | __put_user(host_st->st_ino, &target_st->st_ino); | |
4821 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
4822 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
4823 | #endif | |
4824 | __put_user(host_st->st_mode, &target_st->st_mode); | |
4825 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
4826 | __put_user(host_st->st_uid, &target_st->st_uid); | |
4827 | __put_user(host_st->st_gid, &target_st->st_gid); | |
4828 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
4829 | __put_user(host_st->st_size, &target_st->st_size); | |
4830 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
4831 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
4832 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
4833 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
4834 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
4835 | unlock_user_struct(target_st, target_addr, 1); | |
4836 | } else | |
4837 | #endif | |
4838 | { | |
ed18c5ce | 4839 | #if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA) |
9d33b76b AJ |
4840 | struct target_stat *target_st; |
4841 | #else | |
6a24a778 | 4842 | struct target_stat64 *target_st; |
9d33b76b | 4843 | #endif |
6a24a778 AZ |
4844 | |
4845 | if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0)) | |
4846 | return -TARGET_EFAULT; | |
9d33b76b | 4847 | memset(target_st, 0, sizeof(*target_st)); |
6a24a778 AZ |
4848 | __put_user(host_st->st_dev, &target_st->st_dev); |
4849 | __put_user(host_st->st_ino, &target_st->st_ino); | |
4850 | #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO | |
4851 | __put_user(host_st->st_ino, &target_st->__st_ino); | |
4852 | #endif | |
4853 | __put_user(host_st->st_mode, &target_st->st_mode); | |
4854 | __put_user(host_st->st_nlink, &target_st->st_nlink); | |
4855 | __put_user(host_st->st_uid, &target_st->st_uid); | |
4856 | __put_user(host_st->st_gid, &target_st->st_gid); | |
4857 | __put_user(host_st->st_rdev, &target_st->st_rdev); | |
4858 | /* XXX: better use of kernel struct */ | |
4859 | __put_user(host_st->st_size, &target_st->st_size); | |
4860 | __put_user(host_st->st_blksize, &target_st->st_blksize); | |
4861 | __put_user(host_st->st_blocks, &target_st->st_blocks); | |
4862 | __put_user(host_st->st_atime, &target_st->target_st_atime); | |
4863 | __put_user(host_st->st_mtime, &target_st->target_st_mtime); | |
4864 | __put_user(host_st->st_ctime, &target_st->target_st_ctime); | |
4865 | unlock_user_struct(target_st, target_addr, 1); | |
4866 | } | |
4867 | ||
4868 | return 0; | |
4869 | } | |
4870 | #endif | |
4871 | ||
bd0c5661 PB |
4872 | /* ??? Using host futex calls even when target atomic operations |
4873 | are not really atomic probably breaks things. However implementing | |
4874 | futexes locally would make futexes shared between multiple processes | |
4875 | tricky. However they're probably useless because guest atomic | |
4876 | operations won't work either. */ | |
8fcd3692 BS |
4877 | static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout, |
4878 | target_ulong uaddr2, int val3) | |
bd0c5661 PB |
4879 | { |
4880 | struct timespec ts, *pts; | |
a16aae0c | 4881 | int base_op; |
bd0c5661 PB |
4882 | |
4883 | /* ??? We assume FUTEX_* constants are the same on both host | |
4884 | and target. */ | |
a29ccd63 | 4885 | #ifdef FUTEX_CMD_MASK |
a16aae0c | 4886 | base_op = op & FUTEX_CMD_MASK; |
a29ccd63 | 4887 | #else |
a16aae0c | 4888 | base_op = op; |
a29ccd63 | 4889 | #endif |
a16aae0c | 4890 | switch (base_op) { |
bd0c5661 | 4891 | case FUTEX_WAIT: |
cce246e0 | 4892 | case FUTEX_WAIT_BITSET: |
bd0c5661 PB |
4893 | if (timeout) { |
4894 | pts = &ts; | |
4895 | target_to_host_timespec(pts, timeout); | |
4896 | } else { | |
4897 | pts = NULL; | |
4898 | } | |
a29ccd63 | 4899 | return get_errno(sys_futex(g2h(uaddr), op, tswap32(val), |
cce246e0 | 4900 | pts, NULL, val3)); |
bd0c5661 | 4901 | case FUTEX_WAKE: |
a29ccd63 | 4902 | return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 4903 | case FUTEX_FD: |
a29ccd63 | 4904 | return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0)); |
bd0c5661 | 4905 | case FUTEX_REQUEUE: |
bd0c5661 | 4906 | case FUTEX_CMP_REQUEUE: |
a16aae0c NF |
4907 | case FUTEX_WAKE_OP: |
4908 | /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the | |
4909 | TIMEOUT parameter is interpreted as a uint32_t by the kernel. | |
4910 | But the prototype takes a `struct timespec *'; insert casts | |
4911 | to satisfy the compiler. We do not need to tswap TIMEOUT | |
4912 | since it's not compared to guest memory. */ | |
4913 | pts = (struct timespec *)(uintptr_t) timeout; | |
4914 | return get_errno(sys_futex(g2h(uaddr), op, val, pts, | |
4915 | g2h(uaddr2), | |
4916 | (base_op == FUTEX_CMP_REQUEUE | |
4917 | ? tswap32(val3) | |
4918 | : val3))); | |
bd0c5661 PB |
4919 | default: |
4920 | return -TARGET_ENOSYS; | |
4921 | } | |
4922 | } | |
bd0c5661 | 4923 | |
1d9d8b55 PB |
4924 | /* Map host to target signal numbers for the wait family of syscalls. |
4925 | Assume all other status bits are the same. */ | |
a05c6409 | 4926 | int host_to_target_waitstatus(int status) |
1d9d8b55 PB |
4927 | { |
4928 | if (WIFSIGNALED(status)) { | |
4929 | return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f); | |
4930 | } | |
4931 | if (WIFSTOPPED(status)) { | |
4932 | return (host_to_target_signal(WSTOPSIG(status)) << 8) | |
4933 | | (status & 0xff); | |
4934 | } | |
4935 | return status; | |
4936 | } | |
4937 | ||
4a24a758 PM |
4938 | static int relstr_to_int(const char *s) |
4939 | { | |
4940 | /* Convert a uname release string like "2.6.18" to an integer | |
4941 | * of the form 0x020612. (Beware that 0x020612 is *not* 2.6.12.) | |
4942 | */ | |
4943 | int i, n, tmp; | |
4944 | ||
4945 | tmp = 0; | |
4946 | for (i = 0; i < 3; i++) { | |
4947 | n = 0; | |
4948 | while (*s >= '0' && *s <= '9') { | |
4949 | n *= 10; | |
4950 | n += *s - '0'; | |
4951 | s++; | |
4952 | } | |
4953 | tmp = (tmp << 8) + n; | |
4954 | if (*s == '.') { | |
4955 | s++; | |
4956 | } | |
4957 | } | |
4958 | return tmp; | |
4959 | } | |
4960 | ||
a745ec6d PB |
4961 | int get_osversion(void) |
4962 | { | |
4963 | static int osversion; | |
4964 | struct new_utsname buf; | |
4965 | const char *s; | |
4a24a758 | 4966 | |
a745ec6d PB |
4967 | if (osversion) |
4968 | return osversion; | |
4969 | if (qemu_uname_release && *qemu_uname_release) { | |
4970 | s = qemu_uname_release; | |
4971 | } else { | |
4972 | if (sys_uname(&buf)) | |
4973 | return 0; | |
4974 | s = buf.release; | |
4975 | } | |
4a24a758 | 4976 | osversion = relstr_to_int(s); |
a745ec6d PB |
4977 | return osversion; |
4978 | } | |
4979 | ||
4a24a758 PM |
4980 | void init_qemu_uname_release(void) |
4981 | { | |
4982 | /* Initialize qemu_uname_release for later use. | |
4983 | * If the host kernel is too old and the user hasn't asked for | |
4984 | * a specific fake version number, we might want to fake a minimum | |
4985 | * target kernel version. | |
4986 | */ | |
4987 | #ifdef UNAME_MINIMUM_RELEASE | |
4988 | struct new_utsname buf; | |
4989 | ||
4990 | if (qemu_uname_release && *qemu_uname_release) { | |
4991 | return; | |
4992 | } | |
4993 | ||
4994 | if (sys_uname(&buf)) { | |
4995 | return; | |
4996 | } | |
4997 | ||
4998 | if (relstr_to_int(buf.release) < relstr_to_int(UNAME_MINIMUM_RELEASE)) { | |
4999 | qemu_uname_release = UNAME_MINIMUM_RELEASE; | |
5000 | } | |
5001 | #endif | |
5002 | } | |
36c08d49 AG |
5003 | |
5004 | static int open_self_maps(void *cpu_env, int fd) | |
5005 | { | |
1a49ef2a | 5006 | #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32) |
9349b4f9 | 5007 | TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
1a49ef2a AG |
5008 | #endif |
5009 | FILE *fp; | |
5010 | char *line = NULL; | |
5011 | size_t len = 0; | |
5012 | ssize_t read; | |
5013 | ||
5014 | fp = fopen("/proc/self/maps", "r"); | |
5015 | if (fp == NULL) { | |
5016 | return -EACCES; | |
5017 | } | |
36c08d49 | 5018 | |
1a49ef2a AG |
5019 | while ((read = getline(&line, &len, fp)) != -1) { |
5020 | int fields, dev_maj, dev_min, inode; | |
5021 | uint64_t min, max, offset; | |
5022 | char flag_r, flag_w, flag_x, flag_p; | |
5023 | char path[512] = ""; | |
5024 | fields = sscanf(line, "%"PRIx64"-%"PRIx64" %c%c%c%c %"PRIx64" %x:%x %d" | |
5025 | " %512s", &min, &max, &flag_r, &flag_w, &flag_x, | |
5026 | &flag_p, &offset, &dev_maj, &dev_min, &inode, path); | |
5027 | ||
5028 | if ((fields < 10) || (fields > 11)) { | |
5029 | continue; | |
5030 | } | |
5031 | if (!strncmp(path, "[stack]", 7)) { | |
5032 | continue; | |
5033 | } | |
5034 | if (h2g_valid(min) && h2g_valid(max)) { | |
5035 | dprintf(fd, TARGET_ABI_FMT_lx "-" TARGET_ABI_FMT_lx | |
e24fed4e | 5036 | " %c%c%c%c %08" PRIx64 " %02x:%02x %d %s%s\n", |
1a49ef2a AG |
5037 | h2g(min), h2g(max), flag_r, flag_w, |
5038 | flag_x, flag_p, offset, dev_maj, dev_min, inode, | |
e24fed4e | 5039 | path[0] ? " " : "", path); |
1a49ef2a AG |
5040 | } |
5041 | } | |
5042 | ||
5043 | free(line); | |
5044 | fclose(fp); | |
5045 | ||
5046 | #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32) | |
36c08d49 AG |
5047 | dprintf(fd, "%08llx-%08llx rw-p %08llx 00:00 0 [stack]\n", |
5048 | (unsigned long long)ts->info->stack_limit, | |
1bdd7c7e AG |
5049 | (unsigned long long)(ts->info->start_stack + |
5050 | (TARGET_PAGE_SIZE - 1)) & TARGET_PAGE_MASK, | |
1a49ef2a AG |
5051 | (unsigned long long)0); |
5052 | #endif | |
36c08d49 AG |
5053 | |
5054 | return 0; | |
5055 | } | |
5056 | ||
480b8e7d AG |
5057 | static int open_self_stat(void *cpu_env, int fd) |
5058 | { | |
9349b4f9 | 5059 | TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
480b8e7d AG |
5060 | abi_ulong start_stack = ts->info->start_stack; |
5061 | int i; | |
5062 | ||
5063 | for (i = 0; i < 44; i++) { | |
5064 | char buf[128]; | |
5065 | int len; | |
5066 | uint64_t val = 0; | |
5067 | ||
e0e65bee FE |
5068 | if (i == 0) { |
5069 | /* pid */ | |
5070 | val = getpid(); | |
5071 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
5072 | } else if (i == 1) { | |
5073 | /* app name */ | |
5074 | snprintf(buf, sizeof(buf), "(%s) ", ts->bprm->argv[0]); | |
5075 | } else if (i == 27) { | |
5076 | /* stack bottom */ | |
5077 | val = start_stack; | |
5078 | snprintf(buf, sizeof(buf), "%"PRId64 " ", val); | |
5079 | } else { | |
5080 | /* for the rest, there is MasterCard */ | |
5081 | snprintf(buf, sizeof(buf), "0%c", i == 43 ? '\n' : ' '); | |
480b8e7d | 5082 | } |
e0e65bee | 5083 | |
480b8e7d AG |
5084 | len = strlen(buf); |
5085 | if (write(fd, buf, len) != len) { | |
5086 | return -1; | |
5087 | } | |
5088 | } | |
5089 | ||
5090 | return 0; | |
5091 | } | |
5092 | ||
257450ee AG |
5093 | static int open_self_auxv(void *cpu_env, int fd) |
5094 | { | |
9349b4f9 | 5095 | TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
257450ee AG |
5096 | abi_ulong auxv = ts->info->saved_auxv; |
5097 | abi_ulong len = ts->info->auxv_len; | |
5098 | char *ptr; | |
5099 | ||
5100 | /* | |
5101 | * Auxiliary vector is stored in target process stack. | |
5102 | * read in whole auxv vector and copy it to file | |
5103 | */ | |
5104 | ptr = lock_user(VERIFY_READ, auxv, len, 0); | |
5105 | if (ptr != NULL) { | |
5106 | while (len > 0) { | |
5107 | ssize_t r; | |
5108 | r = write(fd, ptr, len); | |
5109 | if (r <= 0) { | |
5110 | break; | |
5111 | } | |
5112 | len -= r; | |
5113 | ptr += r; | |
5114 | } | |
5115 | lseek(fd, 0, SEEK_SET); | |
5116 | unlock_user(ptr, auxv, len); | |
5117 | } | |
5118 | ||
5119 | return 0; | |
5120 | } | |
5121 | ||
463d8e73 AS |
5122 | static int is_proc_myself(const char *filename, const char *entry) |
5123 | { | |
5124 | if (!strncmp(filename, "/proc/", strlen("/proc/"))) { | |
5125 | filename += strlen("/proc/"); | |
5126 | if (!strncmp(filename, "self/", strlen("self/"))) { | |
5127 | filename += strlen("self/"); | |
5128 | } else if (*filename >= '1' && *filename <= '9') { | |
5129 | char myself[80]; | |
5130 | snprintf(myself, sizeof(myself), "%d/", getpid()); | |
5131 | if (!strncmp(filename, myself, strlen(myself))) { | |
5132 | filename += strlen(myself); | |
5133 | } else { | |
5134 | return 0; | |
5135 | } | |
5136 | } else { | |
5137 | return 0; | |
5138 | } | |
5139 | if (!strcmp(filename, entry)) { | |
5140 | return 1; | |
5141 | } | |
5142 | } | |
5143 | return 0; | |
5144 | } | |
5145 | ||
de6b9933 LV |
5146 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) |
5147 | static int is_proc(const char *filename, const char *entry) | |
5148 | { | |
5149 | return strcmp(filename, entry) == 0; | |
5150 | } | |
5151 | ||
5152 | static int open_net_route(void *cpu_env, int fd) | |
5153 | { | |
5154 | FILE *fp; | |
5155 | char *line = NULL; | |
5156 | size_t len = 0; | |
5157 | ssize_t read; | |
5158 | ||
5159 | fp = fopen("/proc/net/route", "r"); | |
5160 | if (fp == NULL) { | |
5161 | return -EACCES; | |
5162 | } | |
5163 | ||
5164 | /* read header */ | |
5165 | ||
5166 | read = getline(&line, &len, fp); | |
5167 | dprintf(fd, "%s", line); | |
5168 | ||
5169 | /* read routes */ | |
5170 | ||
5171 | while ((read = getline(&line, &len, fp)) != -1) { | |
5172 | char iface[16]; | |
5173 | uint32_t dest, gw, mask; | |
5174 | unsigned int flags, refcnt, use, metric, mtu, window, irtt; | |
5175 | sscanf(line, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
5176 | iface, &dest, &gw, &flags, &refcnt, &use, &metric, | |
5177 | &mask, &mtu, &window, &irtt); | |
5178 | dprintf(fd, "%s\t%08x\t%08x\t%04x\t%d\t%d\t%d\t%08x\t%d\t%u\t%u\n", | |
5179 | iface, tswap32(dest), tswap32(gw), flags, refcnt, use, | |
5180 | metric, tswap32(mask), mtu, window, irtt); | |
5181 | } | |
5182 | ||
5183 | free(line); | |
5184 | fclose(fp); | |
5185 | ||
5186 | return 0; | |
5187 | } | |
5188 | #endif | |
5189 | ||
3be14d05 AG |
5190 | static int do_open(void *cpu_env, const char *pathname, int flags, mode_t mode) |
5191 | { | |
5192 | struct fake_open { | |
5193 | const char *filename; | |
5194 | int (*fill)(void *cpu_env, int fd); | |
de6b9933 | 5195 | int (*cmp)(const char *s1, const char *s2); |
3be14d05 AG |
5196 | }; |
5197 | const struct fake_open *fake_open; | |
5198 | static const struct fake_open fakes[] = { | |
de6b9933 LV |
5199 | { "maps", open_self_maps, is_proc_myself }, |
5200 | { "stat", open_self_stat, is_proc_myself }, | |
5201 | { "auxv", open_self_auxv, is_proc_myself }, | |
5202 | #if defined(HOST_WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN) | |
5203 | { "/proc/net/route", open_net_route, is_proc }, | |
5204 | #endif | |
5205 | { NULL, NULL, NULL } | |
3be14d05 AG |
5206 | }; |
5207 | ||
5208 | for (fake_open = fakes; fake_open->filename; fake_open++) { | |
de6b9933 | 5209 | if (fake_open->cmp(pathname, fake_open->filename)) { |
3be14d05 AG |
5210 | break; |
5211 | } | |
5212 | } | |
5213 | ||
5214 | if (fake_open->filename) { | |
5215 | const char *tmpdir; | |
5216 | char filename[PATH_MAX]; | |
5217 | int fd, r; | |
5218 | ||
5219 | /* create temporary file to map stat to */ | |
5220 | tmpdir = getenv("TMPDIR"); | |
5221 | if (!tmpdir) | |
5222 | tmpdir = "/tmp"; | |
5223 | snprintf(filename, sizeof(filename), "%s/qemu-open.XXXXXX", tmpdir); | |
5224 | fd = mkstemp(filename); | |
5225 | if (fd < 0) { | |
5226 | return fd; | |
5227 | } | |
5228 | unlink(filename); | |
5229 | ||
5230 | if ((r = fake_open->fill(cpu_env, fd))) { | |
5231 | close(fd); | |
5232 | return r; | |
5233 | } | |
5234 | lseek(fd, 0, SEEK_SET); | |
5235 | ||
5236 | return fd; | |
5237 | } | |
5238 | ||
5239 | return get_errno(open(path(pathname), flags, mode)); | |
5240 | } | |
5241 | ||
0da46a6e TS |
5242 | /* do_syscall() should always have a single exit point at the end so |
5243 | that actions, such as logging of syscall results, can be performed. | |
5244 | All errnos that do_syscall() returns must be -TARGET_<errcode>. */ | |
992f48a0 BS |
5245 | abi_long do_syscall(void *cpu_env, int num, abi_long arg1, |
5246 | abi_long arg2, abi_long arg3, abi_long arg4, | |
5945cfcb PM |
5247 | abi_long arg5, abi_long arg6, abi_long arg7, |
5248 | abi_long arg8) | |
31e31b8a | 5249 | { |
182735ef | 5250 | CPUState *cpu = ENV_GET_CPU(cpu_env); |
992f48a0 | 5251 | abi_long ret; |
31e31b8a | 5252 | struct stat st; |
56c8f68f | 5253 | struct statfs stfs; |
53a5960a | 5254 | void *p; |
3b46e624 | 5255 | |
72f03900 | 5256 | #ifdef DEBUG |
c573ff67 | 5257 | gemu_log("syscall %d", num); |
72f03900 | 5258 | #endif |
b92c47c1 TS |
5259 | if(do_strace) |
5260 | print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6); | |
5261 | ||
31e31b8a FB |
5262 | switch(num) { |
5263 | case TARGET_NR_exit: | |
9b056fcc AF |
5264 | /* In old applications this may be used to implement _exit(2). |
5265 | However in threaded applictions it is used for thread termination, | |
5266 | and _exit_group is used for application termination. | |
5267 | Do thread termination if we have more then one thread. */ | |
5268 | /* FIXME: This probably breaks if a signal arrives. We should probably | |
5269 | be disabling signals. */ | |
bdc44640 | 5270 | if (CPU_NEXT(first_cpu)) { |
9b056fcc | 5271 | TaskState *ts; |
9b056fcc AF |
5272 | |
5273 | cpu_list_lock(); | |
9b056fcc | 5274 | /* Remove the CPU from the list. */ |
bdc44640 | 5275 | QTAILQ_REMOVE(&cpus, cpu, node); |
9b056fcc AF |
5276 | cpu_list_unlock(); |
5277 | ts = ((CPUArchState *)cpu_env)->opaque; | |
5278 | if (ts->child_tidptr) { | |
5279 | put_user_u32(0, ts->child_tidptr); | |
5280 | sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX, | |
5281 | NULL, NULL, 0); | |
5282 | } | |
a2247f8e | 5283 | thread_cpu = NULL; |
9b056fcc AF |
5284 | object_unref(OBJECT(ENV_GET_CPU(cpu_env))); |
5285 | g_free(ts); | |
5286 | pthread_exit(NULL); | |
5287 | } | |
9788c9ca | 5288 | #ifdef TARGET_GPROF |
7d13299d FB |
5289 | _mcleanup(); |
5290 | #endif | |
e9009676 | 5291 | gdb_exit(cpu_env, arg1); |
c2764719 | 5292 | _exit(arg1); |
31e31b8a FB |
5293 | ret = 0; /* avoid warning */ |
5294 | break; | |
5295 | case TARGET_NR_read: | |
38d840e6 AJ |
5296 | if (arg3 == 0) |
5297 | ret = 0; | |
5298 | else { | |
5299 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) | |
5300 | goto efault; | |
5301 | ret = get_errno(read(arg1, p, arg3)); | |
5302 | unlock_user(p, arg2, ret); | |
5303 | } | |
31e31b8a FB |
5304 | break; |
5305 | case TARGET_NR_write: | |
579a97f7 FB |
5306 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
5307 | goto efault; | |
53a5960a PB |
5308 | ret = get_errno(write(arg1, p, arg3)); |
5309 | unlock_user(p, arg2, 0); | |
31e31b8a FB |
5310 | break; |
5311 | case TARGET_NR_open: | |
2f619698 FB |
5312 | if (!(p = lock_user_string(arg1))) |
5313 | goto efault; | |
3be14d05 AG |
5314 | ret = get_errno(do_open(cpu_env, p, |
5315 | target_to_host_bitmask(arg2, fcntl_flags_tbl), | |
5316 | arg3)); | |
53a5960a | 5317 | unlock_user(p, arg1, 0); |
31e31b8a | 5318 | break; |
82424832 TS |
5319 | #if defined(TARGET_NR_openat) && defined(__NR_openat) |
5320 | case TARGET_NR_openat: | |
579a97f7 FB |
5321 | if (!(p = lock_user_string(arg2))) |
5322 | goto efault; | |
5323 | ret = get_errno(sys_openat(arg1, | |
5324 | path(p), | |
5325 | target_to_host_bitmask(arg3, fcntl_flags_tbl), | |
5326 | arg4)); | |
5327 | unlock_user(p, arg2, 0); | |
82424832 TS |
5328 | break; |
5329 | #endif | |
31e31b8a FB |
5330 | case TARGET_NR_close: |
5331 | ret = get_errno(close(arg1)); | |
5332 | break; | |
5333 | case TARGET_NR_brk: | |
53a5960a | 5334 | ret = do_brk(arg1); |
31e31b8a FB |
5335 | break; |
5336 | case TARGET_NR_fork: | |
d865bab5 | 5337 | ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0)); |
31e31b8a | 5338 | break; |
e5febef5 | 5339 | #ifdef TARGET_NR_waitpid |
31e31b8a FB |
5340 | case TARGET_NR_waitpid: |
5341 | { | |
53a5960a PB |
5342 | int status; |
5343 | ret = get_errno(waitpid(arg1, &status, arg3)); | |
5379557b | 5344 | if (!is_error(ret) && arg2 && ret |
1d9d8b55 | 5345 | && put_user_s32(host_to_target_waitstatus(status), arg2)) |
2f619698 | 5346 | goto efault; |
31e31b8a FB |
5347 | } |
5348 | break; | |
e5febef5 | 5349 | #endif |
f0cbb613 PB |
5350 | #ifdef TARGET_NR_waitid |
5351 | case TARGET_NR_waitid: | |
5352 | { | |
5353 | siginfo_t info; | |
5354 | info.si_pid = 0; | |
5355 | ret = get_errno(waitid(arg1, arg2, &info, arg4)); | |
5356 | if (!is_error(ret) && arg3 && info.si_pid != 0) { | |
c227f099 | 5357 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0))) |
f0cbb613 PB |
5358 | goto efault; |
5359 | host_to_target_siginfo(p, &info); | |
c227f099 | 5360 | unlock_user(p, arg3, sizeof(target_siginfo_t)); |
f0cbb613 PB |
5361 | } |
5362 | } | |
5363 | break; | |
5364 | #endif | |
7a3148a9 | 5365 | #ifdef TARGET_NR_creat /* not on alpha */ |
31e31b8a | 5366 | case TARGET_NR_creat: |
579a97f7 FB |
5367 | if (!(p = lock_user_string(arg1))) |
5368 | goto efault; | |
53a5960a PB |
5369 | ret = get_errno(creat(p, arg2)); |
5370 | unlock_user(p, arg1, 0); | |
31e31b8a | 5371 | break; |
7a3148a9 | 5372 | #endif |
31e31b8a | 5373 | case TARGET_NR_link: |
53a5960a PB |
5374 | { |
5375 | void * p2; | |
5376 | p = lock_user_string(arg1); | |
5377 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
5378 | if (!p || !p2) |
5379 | ret = -TARGET_EFAULT; | |
5380 | else | |
5381 | ret = get_errno(link(p, p2)); | |
53a5960a PB |
5382 | unlock_user(p2, arg2, 0); |
5383 | unlock_user(p, arg1, 0); | |
5384 | } | |
31e31b8a | 5385 | break; |
c0d472b1 | 5386 | #if defined(TARGET_NR_linkat) |
64f0ce4c | 5387 | case TARGET_NR_linkat: |
64f0ce4c TS |
5388 | { |
5389 | void * p2 = NULL; | |
579a97f7 FB |
5390 | if (!arg2 || !arg4) |
5391 | goto efault; | |
64f0ce4c TS |
5392 | p = lock_user_string(arg2); |
5393 | p2 = lock_user_string(arg4); | |
579a97f7 | 5394 | if (!p || !p2) |
0da46a6e | 5395 | ret = -TARGET_EFAULT; |
64f0ce4c | 5396 | else |
c0d472b1 | 5397 | ret = get_errno(linkat(arg1, p, arg3, p2, arg5)); |
579a97f7 FB |
5398 | unlock_user(p, arg2, 0); |
5399 | unlock_user(p2, arg4, 0); | |
64f0ce4c TS |
5400 | } |
5401 | break; | |
5402 | #endif | |
31e31b8a | 5403 | case TARGET_NR_unlink: |
579a97f7 FB |
5404 | if (!(p = lock_user_string(arg1))) |
5405 | goto efault; | |
53a5960a PB |
5406 | ret = get_errno(unlink(p)); |
5407 | unlock_user(p, arg1, 0); | |
31e31b8a | 5408 | break; |
c0d472b1 | 5409 | #if defined(TARGET_NR_unlinkat) |
8170f56b | 5410 | case TARGET_NR_unlinkat: |
579a97f7 FB |
5411 | if (!(p = lock_user_string(arg2))) |
5412 | goto efault; | |
c0d472b1 | 5413 | ret = get_errno(unlinkat(arg1, p, arg3)); |
579a97f7 | 5414 | unlock_user(p, arg2, 0); |
ed494d87 | 5415 | break; |
b7d35e65 | 5416 | #endif |
31e31b8a | 5417 | case TARGET_NR_execve: |
7854b056 FB |
5418 | { |
5419 | char **argp, **envp; | |
f7341ff4 | 5420 | int argc, envc; |
992f48a0 BS |
5421 | abi_ulong gp; |
5422 | abi_ulong guest_argp; | |
5423 | abi_ulong guest_envp; | |
5424 | abi_ulong addr; | |
7854b056 | 5425 | char **q; |
a6f79cc9 | 5426 | int total_size = 0; |
7854b056 | 5427 | |
f7341ff4 | 5428 | argc = 0; |
53a5960a | 5429 | guest_argp = arg2; |
da94d263 | 5430 | for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 5431 | if (get_user_ual(addr, gp)) |
2f619698 | 5432 | goto efault; |
03aa1976 | 5433 | if (!addr) |
2f619698 | 5434 | break; |
7854b056 | 5435 | argc++; |
2f619698 | 5436 | } |
f7341ff4 | 5437 | envc = 0; |
53a5960a | 5438 | guest_envp = arg3; |
da94d263 | 5439 | for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) { |
03aa1976 | 5440 | if (get_user_ual(addr, gp)) |
2f619698 | 5441 | goto efault; |
03aa1976 | 5442 | if (!addr) |
2f619698 | 5443 | break; |
7854b056 | 5444 | envc++; |
2f619698 | 5445 | } |
7854b056 | 5446 | |
f7341ff4 FB |
5447 | argp = alloca((argc + 1) * sizeof(void *)); |
5448 | envp = alloca((envc + 1) * sizeof(void *)); | |
7854b056 | 5449 | |
da94d263 | 5450 | for (gp = guest_argp, q = argp; gp; |
992f48a0 | 5451 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5452 | if (get_user_ual(addr, gp)) |
5453 | goto execve_efault; | |
53a5960a PB |
5454 | if (!addr) |
5455 | break; | |
2f619698 FB |
5456 | if (!(*q = lock_user_string(addr))) |
5457 | goto execve_efault; | |
a6f79cc9 | 5458 | total_size += strlen(*q) + 1; |
53a5960a | 5459 | } |
f7341ff4 FB |
5460 | *q = NULL; |
5461 | ||
da94d263 | 5462 | for (gp = guest_envp, q = envp; gp; |
992f48a0 | 5463 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5464 | if (get_user_ual(addr, gp)) |
5465 | goto execve_efault; | |
53a5960a PB |
5466 | if (!addr) |
5467 | break; | |
2f619698 FB |
5468 | if (!(*q = lock_user_string(addr))) |
5469 | goto execve_efault; | |
a6f79cc9 | 5470 | total_size += strlen(*q) + 1; |
53a5960a | 5471 | } |
f7341ff4 | 5472 | *q = NULL; |
7854b056 | 5473 | |
a6f79cc9 UH |
5474 | /* This case will not be caught by the host's execve() if its |
5475 | page size is bigger than the target's. */ | |
5476 | if (total_size > MAX_ARG_PAGES * TARGET_PAGE_SIZE) { | |
5477 | ret = -TARGET_E2BIG; | |
5478 | goto execve_end; | |
5479 | } | |
2f619698 FB |
5480 | if (!(p = lock_user_string(arg1))) |
5481 | goto execve_efault; | |
53a5960a PB |
5482 | ret = get_errno(execve(p, argp, envp)); |
5483 | unlock_user(p, arg1, 0); | |
5484 | ||
2f619698 FB |
5485 | goto execve_end; |
5486 | ||
5487 | execve_efault: | |
5488 | ret = -TARGET_EFAULT; | |
5489 | ||
5490 | execve_end: | |
53a5960a | 5491 | for (gp = guest_argp, q = argp; *q; |
992f48a0 | 5492 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5493 | if (get_user_ual(addr, gp) |
5494 | || !addr) | |
5495 | break; | |
53a5960a PB |
5496 | unlock_user(*q, addr, 0); |
5497 | } | |
5498 | for (gp = guest_envp, q = envp; *q; | |
992f48a0 | 5499 | gp += sizeof(abi_ulong), q++) { |
2f619698 FB |
5500 | if (get_user_ual(addr, gp) |
5501 | || !addr) | |
5502 | break; | |
53a5960a PB |
5503 | unlock_user(*q, addr, 0); |
5504 | } | |
7854b056 | 5505 | } |
31e31b8a FB |
5506 | break; |
5507 | case TARGET_NR_chdir: | |
579a97f7 FB |
5508 | if (!(p = lock_user_string(arg1))) |
5509 | goto efault; | |
53a5960a PB |
5510 | ret = get_errno(chdir(p)); |
5511 | unlock_user(p, arg1, 0); | |
31e31b8a | 5512 | break; |
a315a145 | 5513 | #ifdef TARGET_NR_time |
31e31b8a FB |
5514 | case TARGET_NR_time: |
5515 | { | |
53a5960a PB |
5516 | time_t host_time; |
5517 | ret = get_errno(time(&host_time)); | |
2f619698 FB |
5518 | if (!is_error(ret) |
5519 | && arg1 | |
5520 | && put_user_sal(host_time, arg1)) | |
5521 | goto efault; | |
31e31b8a FB |
5522 | } |
5523 | break; | |
a315a145 | 5524 | #endif |
31e31b8a | 5525 | case TARGET_NR_mknod: |
579a97f7 FB |
5526 | if (!(p = lock_user_string(arg1))) |
5527 | goto efault; | |
53a5960a PB |
5528 | ret = get_errno(mknod(p, arg2, arg3)); |
5529 | unlock_user(p, arg1, 0); | |
31e31b8a | 5530 | break; |
c0d472b1 | 5531 | #if defined(TARGET_NR_mknodat) |
75ac37a0 | 5532 | case TARGET_NR_mknodat: |
579a97f7 FB |
5533 | if (!(p = lock_user_string(arg2))) |
5534 | goto efault; | |
c0d472b1 | 5535 | ret = get_errno(mknodat(arg1, p, arg3, arg4)); |
579a97f7 | 5536 | unlock_user(p, arg2, 0); |
75ac37a0 TS |
5537 | break; |
5538 | #endif | |
31e31b8a | 5539 | case TARGET_NR_chmod: |
579a97f7 FB |
5540 | if (!(p = lock_user_string(arg1))) |
5541 | goto efault; | |
53a5960a PB |
5542 | ret = get_errno(chmod(p, arg2)); |
5543 | unlock_user(p, arg1, 0); | |
31e31b8a | 5544 | break; |
ebc05488 | 5545 | #ifdef TARGET_NR_break |
31e31b8a FB |
5546 | case TARGET_NR_break: |
5547 | goto unimplemented; | |
ebc05488 FB |
5548 | #endif |
5549 | #ifdef TARGET_NR_oldstat | |
31e31b8a FB |
5550 | case TARGET_NR_oldstat: |
5551 | goto unimplemented; | |
ebc05488 | 5552 | #endif |
31e31b8a FB |
5553 | case TARGET_NR_lseek: |
5554 | ret = get_errno(lseek(arg1, arg2, arg3)); | |
5555 | break; | |
9231733a RH |
5556 | #if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA) |
5557 | /* Alpha specific */ | |
7a3148a9 | 5558 | case TARGET_NR_getxpid: |
9231733a RH |
5559 | ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid(); |
5560 | ret = get_errno(getpid()); | |
5561 | break; | |
7a3148a9 | 5562 | #endif |
9231733a RH |
5563 | #ifdef TARGET_NR_getpid |
5564 | case TARGET_NR_getpid: | |
31e31b8a FB |
5565 | ret = get_errno(getpid()); |
5566 | break; | |
9231733a | 5567 | #endif |
31e31b8a | 5568 | case TARGET_NR_mount: |
80265918 TS |
5569 | { |
5570 | /* need to look at the data field */ | |
5571 | void *p2, *p3; | |
5572 | p = lock_user_string(arg1); | |
5573 | p2 = lock_user_string(arg2); | |
5574 | p3 = lock_user_string(arg3); | |
579a97f7 FB |
5575 | if (!p || !p2 || !p3) |
5576 | ret = -TARGET_EFAULT; | |
dab46405 | 5577 | else { |
579a97f7 FB |
5578 | /* FIXME - arg5 should be locked, but it isn't clear how to |
5579 | * do that since it's not guaranteed to be a NULL-terminated | |
5580 | * string. | |
5581 | */ | |
dab46405 JSM |
5582 | if ( ! arg5 ) |
5583 | ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL)); | |
5584 | else | |
5585 | ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5))); | |
5586 | } | |
579a97f7 FB |
5587 | unlock_user(p, arg1, 0); |
5588 | unlock_user(p2, arg2, 0); | |
5589 | unlock_user(p3, arg3, 0); | |
80265918 TS |
5590 | break; |
5591 | } | |
e5febef5 | 5592 | #ifdef TARGET_NR_umount |
31e31b8a | 5593 | case TARGET_NR_umount: |
579a97f7 FB |
5594 | if (!(p = lock_user_string(arg1))) |
5595 | goto efault; | |
53a5960a PB |
5596 | ret = get_errno(umount(p)); |
5597 | unlock_user(p, arg1, 0); | |
31e31b8a | 5598 | break; |
e5febef5 | 5599 | #endif |
7a3148a9 | 5600 | #ifdef TARGET_NR_stime /* not on alpha */ |
31e31b8a FB |
5601 | case TARGET_NR_stime: |
5602 | { | |
53a5960a | 5603 | time_t host_time; |
2f619698 FB |
5604 | if (get_user_sal(host_time, arg1)) |
5605 | goto efault; | |
53a5960a | 5606 | ret = get_errno(stime(&host_time)); |
31e31b8a FB |
5607 | } |
5608 | break; | |
7a3148a9 | 5609 | #endif |
31e31b8a FB |
5610 | case TARGET_NR_ptrace: |
5611 | goto unimplemented; | |
7a3148a9 | 5612 | #ifdef TARGET_NR_alarm /* not on alpha */ |
31e31b8a FB |
5613 | case TARGET_NR_alarm: |
5614 | ret = alarm(arg1); | |
5615 | break; | |
7a3148a9 | 5616 | #endif |
ebc05488 | 5617 | #ifdef TARGET_NR_oldfstat |
31e31b8a FB |
5618 | case TARGET_NR_oldfstat: |
5619 | goto unimplemented; | |
ebc05488 | 5620 | #endif |
7a3148a9 | 5621 | #ifdef TARGET_NR_pause /* not on alpha */ |
31e31b8a FB |
5622 | case TARGET_NR_pause: |
5623 | ret = get_errno(pause()); | |
5624 | break; | |
7a3148a9 | 5625 | #endif |
e5febef5 | 5626 | #ifdef TARGET_NR_utime |
31e31b8a | 5627 | case TARGET_NR_utime: |
ebc05488 | 5628 | { |
53a5960a PB |
5629 | struct utimbuf tbuf, *host_tbuf; |
5630 | struct target_utimbuf *target_tbuf; | |
5631 | if (arg2) { | |
579a97f7 FB |
5632 | if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1)) |
5633 | goto efault; | |
cbb21eed MB |
5634 | tbuf.actime = tswapal(target_tbuf->actime); |
5635 | tbuf.modtime = tswapal(target_tbuf->modtime); | |
53a5960a PB |
5636 | unlock_user_struct(target_tbuf, arg2, 0); |
5637 | host_tbuf = &tbuf; | |
f72e8ff4 | 5638 | } else { |
53a5960a | 5639 | host_tbuf = NULL; |
f72e8ff4 | 5640 | } |
579a97f7 FB |
5641 | if (!(p = lock_user_string(arg1))) |
5642 | goto efault; | |
53a5960a PB |
5643 | ret = get_errno(utime(p, host_tbuf)); |
5644 | unlock_user(p, arg1, 0); | |
ebc05488 FB |
5645 | } |
5646 | break; | |
e5febef5 | 5647 | #endif |
978a66ff FB |
5648 | case TARGET_NR_utimes: |
5649 | { | |
978a66ff | 5650 | struct timeval *tvp, tv[2]; |
53a5960a | 5651 | if (arg2) { |
788f5ec4 TS |
5652 | if (copy_from_user_timeval(&tv[0], arg2) |
5653 | || copy_from_user_timeval(&tv[1], | |
5654 | arg2 + sizeof(struct target_timeval))) | |
5655 | goto efault; | |
978a66ff FB |
5656 | tvp = tv; |
5657 | } else { | |
5658 | tvp = NULL; | |
5659 | } | |
579a97f7 FB |
5660 | if (!(p = lock_user_string(arg1))) |
5661 | goto efault; | |
53a5960a PB |
5662 | ret = get_errno(utimes(p, tvp)); |
5663 | unlock_user(p, arg1, 0); | |
978a66ff FB |
5664 | } |
5665 | break; | |
c0d472b1 | 5666 | #if defined(TARGET_NR_futimesat) |
ac8a6556 AZ |
5667 | case TARGET_NR_futimesat: |
5668 | { | |
5669 | struct timeval *tvp, tv[2]; | |
5670 | if (arg3) { | |
5671 | if (copy_from_user_timeval(&tv[0], arg3) | |
5672 | || copy_from_user_timeval(&tv[1], | |
5673 | arg3 + sizeof(struct target_timeval))) | |
5674 | goto efault; | |
5675 | tvp = tv; | |
5676 | } else { | |
5677 | tvp = NULL; | |
5678 | } | |
5679 | if (!(p = lock_user_string(arg2))) | |
5680 | goto efault; | |
c0d472b1 | 5681 | ret = get_errno(futimesat(arg1, path(p), tvp)); |
ac8a6556 AZ |
5682 | unlock_user(p, arg2, 0); |
5683 | } | |
5684 | break; | |
5685 | #endif | |
ebc05488 | 5686 | #ifdef TARGET_NR_stty |
31e31b8a FB |
5687 | case TARGET_NR_stty: |
5688 | goto unimplemented; | |
ebc05488 FB |
5689 | #endif |
5690 | #ifdef TARGET_NR_gtty | |
31e31b8a FB |
5691 | case TARGET_NR_gtty: |
5692 | goto unimplemented; | |
ebc05488 | 5693 | #endif |
31e31b8a | 5694 | case TARGET_NR_access: |
579a97f7 FB |
5695 | if (!(p = lock_user_string(arg1))) |
5696 | goto efault; | |
719f908e | 5697 | ret = get_errno(access(path(p), arg2)); |
53a5960a | 5698 | unlock_user(p, arg1, 0); |
31e31b8a | 5699 | break; |
92a34c10 TS |
5700 | #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat) |
5701 | case TARGET_NR_faccessat: | |
579a97f7 FB |
5702 | if (!(p = lock_user_string(arg2))) |
5703 | goto efault; | |
c0d472b1 | 5704 | ret = get_errno(faccessat(arg1, p, arg3, 0)); |
579a97f7 | 5705 | unlock_user(p, arg2, 0); |
92a34c10 TS |
5706 | break; |
5707 | #endif | |
7a3148a9 | 5708 | #ifdef TARGET_NR_nice /* not on alpha */ |
31e31b8a FB |
5709 | case TARGET_NR_nice: |
5710 | ret = get_errno(nice(arg1)); | |
5711 | break; | |
7a3148a9 | 5712 | #endif |
ebc05488 | 5713 | #ifdef TARGET_NR_ftime |
31e31b8a FB |
5714 | case TARGET_NR_ftime: |
5715 | goto unimplemented; | |
ebc05488 | 5716 | #endif |
31e31b8a | 5717 | case TARGET_NR_sync: |
04369ff2 FB |
5718 | sync(); |
5719 | ret = 0; | |
31e31b8a FB |
5720 | break; |
5721 | case TARGET_NR_kill: | |
4cb05961 | 5722 | ret = get_errno(kill(arg1, target_to_host_signal(arg2))); |
31e31b8a FB |
5723 | break; |
5724 | case TARGET_NR_rename: | |
53a5960a PB |
5725 | { |
5726 | void *p2; | |
5727 | p = lock_user_string(arg1); | |
5728 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
5729 | if (!p || !p2) |
5730 | ret = -TARGET_EFAULT; | |
5731 | else | |
5732 | ret = get_errno(rename(p, p2)); | |
53a5960a PB |
5733 | unlock_user(p2, arg2, 0); |
5734 | unlock_user(p, arg1, 0); | |
5735 | } | |
31e31b8a | 5736 | break; |
c0d472b1 | 5737 | #if defined(TARGET_NR_renameat) |
722183f6 | 5738 | case TARGET_NR_renameat: |
722183f6 | 5739 | { |
579a97f7 | 5740 | void *p2; |
722183f6 TS |
5741 | p = lock_user_string(arg2); |
5742 | p2 = lock_user_string(arg4); | |
579a97f7 | 5743 | if (!p || !p2) |
0da46a6e | 5744 | ret = -TARGET_EFAULT; |
722183f6 | 5745 | else |
c0d472b1 | 5746 | ret = get_errno(renameat(arg1, p, arg3, p2)); |
579a97f7 FB |
5747 | unlock_user(p2, arg4, 0); |
5748 | unlock_user(p, arg2, 0); | |
722183f6 TS |
5749 | } |
5750 | break; | |
5751 | #endif | |
31e31b8a | 5752 | case TARGET_NR_mkdir: |
579a97f7 FB |
5753 | if (!(p = lock_user_string(arg1))) |
5754 | goto efault; | |
53a5960a PB |
5755 | ret = get_errno(mkdir(p, arg2)); |
5756 | unlock_user(p, arg1, 0); | |
31e31b8a | 5757 | break; |
c0d472b1 | 5758 | #if defined(TARGET_NR_mkdirat) |
4472ad0d | 5759 | case TARGET_NR_mkdirat: |
579a97f7 FB |
5760 | if (!(p = lock_user_string(arg2))) |
5761 | goto efault; | |
c0d472b1 | 5762 | ret = get_errno(mkdirat(arg1, p, arg3)); |
579a97f7 | 5763 | unlock_user(p, arg2, 0); |
4472ad0d TS |
5764 | break; |
5765 | #endif | |
31e31b8a | 5766 | case TARGET_NR_rmdir: |
579a97f7 FB |
5767 | if (!(p = lock_user_string(arg1))) |
5768 | goto efault; | |
53a5960a PB |
5769 | ret = get_errno(rmdir(p)); |
5770 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
5771 | break; |
5772 | case TARGET_NR_dup: | |
5773 | ret = get_errno(dup(arg1)); | |
5774 | break; | |
5775 | case TARGET_NR_pipe: | |
fb41a66e | 5776 | ret = do_pipe(cpu_env, arg1, 0, 0); |
099d6b0f RV |
5777 | break; |
5778 | #ifdef TARGET_NR_pipe2 | |
5779 | case TARGET_NR_pipe2: | |
e7ea6cbe RH |
5780 | ret = do_pipe(cpu_env, arg1, |
5781 | target_to_host_bitmask(arg2, fcntl_flags_tbl), 1); | |
31e31b8a | 5782 | break; |
099d6b0f | 5783 | #endif |
31e31b8a | 5784 | case TARGET_NR_times: |
32f36bce | 5785 | { |
53a5960a | 5786 | struct target_tms *tmsp; |
32f36bce FB |
5787 | struct tms tms; |
5788 | ret = get_errno(times(&tms)); | |
53a5960a | 5789 | if (arg1) { |
579a97f7 FB |
5790 | tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0); |
5791 | if (!tmsp) | |
5792 | goto efault; | |
cbb21eed MB |
5793 | tmsp->tms_utime = tswapal(host_to_target_clock_t(tms.tms_utime)); |
5794 | tmsp->tms_stime = tswapal(host_to_target_clock_t(tms.tms_stime)); | |
5795 | tmsp->tms_cutime = tswapal(host_to_target_clock_t(tms.tms_cutime)); | |
5796 | tmsp->tms_cstime = tswapal(host_to_target_clock_t(tms.tms_cstime)); | |
32f36bce | 5797 | } |
c596ed17 FB |
5798 | if (!is_error(ret)) |
5799 | ret = host_to_target_clock_t(ret); | |
32f36bce FB |
5800 | } |
5801 | break; | |
ebc05488 | 5802 | #ifdef TARGET_NR_prof |
31e31b8a FB |
5803 | case TARGET_NR_prof: |
5804 | goto unimplemented; | |
ebc05488 | 5805 | #endif |
e5febef5 | 5806 | #ifdef TARGET_NR_signal |
31e31b8a FB |
5807 | case TARGET_NR_signal: |
5808 | goto unimplemented; | |
e5febef5 | 5809 | #endif |
31e31b8a | 5810 | case TARGET_NR_acct: |
38d840e6 AJ |
5811 | if (arg1 == 0) { |
5812 | ret = get_errno(acct(NULL)); | |
5813 | } else { | |
5814 | if (!(p = lock_user_string(arg1))) | |
5815 | goto efault; | |
5816 | ret = get_errno(acct(path(p))); | |
5817 | unlock_user(p, arg1, 0); | |
5818 | } | |
24836689 | 5819 | break; |
8070e7be | 5820 | #ifdef TARGET_NR_umount2 |
31e31b8a | 5821 | case TARGET_NR_umount2: |
579a97f7 FB |
5822 | if (!(p = lock_user_string(arg1))) |
5823 | goto efault; | |
53a5960a PB |
5824 | ret = get_errno(umount2(p, arg2)); |
5825 | unlock_user(p, arg1, 0); | |
31e31b8a | 5826 | break; |
7a3148a9 | 5827 | #endif |
ebc05488 | 5828 | #ifdef TARGET_NR_lock |
31e31b8a FB |
5829 | case TARGET_NR_lock: |
5830 | goto unimplemented; | |
ebc05488 | 5831 | #endif |
31e31b8a FB |
5832 | case TARGET_NR_ioctl: |
5833 | ret = do_ioctl(arg1, arg2, arg3); | |
5834 | break; | |
5835 | case TARGET_NR_fcntl: | |
9ee1fa2c | 5836 | ret = do_fcntl(arg1, arg2, arg3); |
31e31b8a | 5837 | break; |
ebc05488 | 5838 | #ifdef TARGET_NR_mpx |
31e31b8a FB |
5839 | case TARGET_NR_mpx: |
5840 | goto unimplemented; | |
ebc05488 | 5841 | #endif |
31e31b8a FB |
5842 | case TARGET_NR_setpgid: |
5843 | ret = get_errno(setpgid(arg1, arg2)); | |
5844 | break; | |
ebc05488 | 5845 | #ifdef TARGET_NR_ulimit |
31e31b8a FB |
5846 | case TARGET_NR_ulimit: |
5847 | goto unimplemented; | |
ebc05488 FB |
5848 | #endif |
5849 | #ifdef TARGET_NR_oldolduname | |
31e31b8a FB |
5850 | case TARGET_NR_oldolduname: |
5851 | goto unimplemented; | |
ebc05488 | 5852 | #endif |
31e31b8a FB |
5853 | case TARGET_NR_umask: |
5854 | ret = get_errno(umask(arg1)); | |
5855 | break; | |
5856 | case TARGET_NR_chroot: | |
579a97f7 FB |
5857 | if (!(p = lock_user_string(arg1))) |
5858 | goto efault; | |
53a5960a PB |
5859 | ret = get_errno(chroot(p)); |
5860 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
5861 | break; |
5862 | case TARGET_NR_ustat: | |
5863 | goto unimplemented; | |
5864 | case TARGET_NR_dup2: | |
5865 | ret = get_errno(dup2(arg1, arg2)); | |
5866 | break; | |
d0927938 UH |
5867 | #if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3) |
5868 | case TARGET_NR_dup3: | |
5869 | ret = get_errno(dup3(arg1, arg2, arg3)); | |
5870 | break; | |
5871 | #endif | |
7a3148a9 | 5872 | #ifdef TARGET_NR_getppid /* not on alpha */ |
31e31b8a FB |
5873 | case TARGET_NR_getppid: |
5874 | ret = get_errno(getppid()); | |
5875 | break; | |
7a3148a9 | 5876 | #endif |
31e31b8a FB |
5877 | case TARGET_NR_getpgrp: |
5878 | ret = get_errno(getpgrp()); | |
5879 | break; | |
5880 | case TARGET_NR_setsid: | |
5881 | ret = get_errno(setsid()); | |
5882 | break; | |
e5febef5 | 5883 | #ifdef TARGET_NR_sigaction |
31e31b8a | 5884 | case TARGET_NR_sigaction: |
31e31b8a | 5885 | { |
6049f4f8 RH |
5886 | #if defined(TARGET_ALPHA) |
5887 | struct target_sigaction act, oact, *pact = 0; | |
53a5960a | 5888 | struct target_old_sigaction *old_act; |
53a5960a | 5889 | if (arg2) { |
579a97f7 FB |
5890 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
5891 | goto efault; | |
66fb9763 FB |
5892 | act._sa_handler = old_act->_sa_handler; |
5893 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
5894 | act.sa_flags = old_act->sa_flags; | |
6049f4f8 | 5895 | act.sa_restorer = 0; |
53a5960a | 5896 | unlock_user_struct(old_act, arg2, 0); |
66fb9763 | 5897 | pact = &act; |
66fb9763 FB |
5898 | } |
5899 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
53a5960a | 5900 | if (!is_error(ret) && arg3) { |
579a97f7 FB |
5901 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
5902 | goto efault; | |
53a5960a PB |
5903 | old_act->_sa_handler = oact._sa_handler; |
5904 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
5905 | old_act->sa_flags = oact.sa_flags; | |
53a5960a | 5906 | unlock_user_struct(old_act, arg3, 1); |
66fb9763 | 5907 | } |
6049f4f8 | 5908 | #elif defined(TARGET_MIPS) |
106ec879 FB |
5909 | struct target_sigaction act, oact, *pact, *old_act; |
5910 | ||
5911 | if (arg2) { | |
579a97f7 FB |
5912 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) |
5913 | goto efault; | |
106ec879 FB |
5914 | act._sa_handler = old_act->_sa_handler; |
5915 | target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]); | |
5916 | act.sa_flags = old_act->sa_flags; | |
5917 | unlock_user_struct(old_act, arg2, 0); | |
5918 | pact = &act; | |
5919 | } else { | |
5920 | pact = NULL; | |
5921 | } | |
5922 | ||
5923 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
5924 | ||
5925 | if (!is_error(ret) && arg3) { | |
579a97f7 FB |
5926 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) |
5927 | goto efault; | |
106ec879 FB |
5928 | old_act->_sa_handler = oact._sa_handler; |
5929 | old_act->sa_flags = oact.sa_flags; | |
5930 | old_act->sa_mask.sig[0] = oact.sa_mask.sig[0]; | |
5931 | old_act->sa_mask.sig[1] = 0; | |
5932 | old_act->sa_mask.sig[2] = 0; | |
5933 | old_act->sa_mask.sig[3] = 0; | |
5934 | unlock_user_struct(old_act, arg3, 1); | |
5935 | } | |
6049f4f8 RH |
5936 | #else |
5937 | struct target_old_sigaction *old_act; | |
5938 | struct target_sigaction act, oact, *pact; | |
5939 | if (arg2) { | |
5940 | if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1)) | |
5941 | goto efault; | |
5942 | act._sa_handler = old_act->_sa_handler; | |
5943 | target_siginitset(&act.sa_mask, old_act->sa_mask); | |
5944 | act.sa_flags = old_act->sa_flags; | |
5945 | act.sa_restorer = old_act->sa_restorer; | |
5946 | unlock_user_struct(old_act, arg2, 0); | |
5947 | pact = &act; | |
5948 | } else { | |
5949 | pact = NULL; | |
5950 | } | |
5951 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
5952 | if (!is_error(ret) && arg3) { | |
5953 | if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0)) | |
5954 | goto efault; | |
5955 | old_act->_sa_handler = oact._sa_handler; | |
5956 | old_act->sa_mask = oact.sa_mask.sig[0]; | |
5957 | old_act->sa_flags = oact.sa_flags; | |
5958 | old_act->sa_restorer = oact.sa_restorer; | |
5959 | unlock_user_struct(old_act, arg3, 1); | |
5960 | } | |
388bb21a | 5961 | #endif |
31e31b8a FB |
5962 | } |
5963 | break; | |
e5febef5 | 5964 | #endif |
66fb9763 | 5965 | case TARGET_NR_rt_sigaction: |
53a5960a | 5966 | { |
6049f4f8 RH |
5967 | #if defined(TARGET_ALPHA) |
5968 | struct target_sigaction act, oact, *pact = 0; | |
5969 | struct target_rt_sigaction *rt_act; | |
5970 | /* ??? arg4 == sizeof(sigset_t). */ | |
5971 | if (arg2) { | |
5972 | if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1)) | |
5973 | goto efault; | |
5974 | act._sa_handler = rt_act->_sa_handler; | |
5975 | act.sa_mask = rt_act->sa_mask; | |
5976 | act.sa_flags = rt_act->sa_flags; | |
5977 | act.sa_restorer = arg5; | |
5978 | unlock_user_struct(rt_act, arg2, 0); | |
5979 | pact = &act; | |
5980 | } | |
5981 | ret = get_errno(do_sigaction(arg1, pact, &oact)); | |
5982 | if (!is_error(ret) && arg3) { | |
5983 | if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0)) | |
5984 | goto efault; | |
5985 | rt_act->_sa_handler = oact._sa_handler; | |
5986 | rt_act->sa_mask = oact.sa_mask; | |
5987 | rt_act->sa_flags = oact.sa_flags; | |
5988 | unlock_user_struct(rt_act, arg3, 1); | |
5989 | } | |
5990 | #else | |
53a5960a PB |
5991 | struct target_sigaction *act; |
5992 | struct target_sigaction *oact; | |
5993 | ||
579a97f7 FB |
5994 | if (arg2) { |
5995 | if (!lock_user_struct(VERIFY_READ, act, arg2, 1)) | |
5996 | goto efault; | |
5997 | } else | |
53a5960a | 5998 | act = NULL; |
579a97f7 FB |
5999 | if (arg3) { |
6000 | if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) { | |
6001 | ret = -TARGET_EFAULT; | |
6002 | goto rt_sigaction_fail; | |
6003 | } | |
6004 | } else | |
53a5960a PB |
6005 | oact = NULL; |
6006 | ret = get_errno(do_sigaction(arg1, act, oact)); | |
579a97f7 FB |
6007 | rt_sigaction_fail: |
6008 | if (act) | |
53a5960a | 6009 | unlock_user_struct(act, arg2, 0); |
579a97f7 | 6010 | if (oact) |
53a5960a | 6011 | unlock_user_struct(oact, arg3, 1); |
6049f4f8 | 6012 | #endif |
53a5960a | 6013 | } |
66fb9763 | 6014 | break; |
7a3148a9 | 6015 | #ifdef TARGET_NR_sgetmask /* not on alpha */ |
31e31b8a | 6016 | case TARGET_NR_sgetmask: |
66fb9763 FB |
6017 | { |
6018 | sigset_t cur_set; | |
992f48a0 | 6019 | abi_ulong target_set; |
66fb9763 FB |
6020 | sigprocmask(0, NULL, &cur_set); |
6021 | host_to_target_old_sigset(&target_set, &cur_set); | |
6022 | ret = target_set; | |
6023 | } | |
6024 | break; | |
7a3148a9 JM |
6025 | #endif |
6026 | #ifdef TARGET_NR_ssetmask /* not on alpha */ | |
31e31b8a | 6027 | case TARGET_NR_ssetmask: |
66fb9763 FB |
6028 | { |
6029 | sigset_t set, oset, cur_set; | |
992f48a0 | 6030 | abi_ulong target_set = arg1; |
66fb9763 FB |
6031 | sigprocmask(0, NULL, &cur_set); |
6032 | target_to_host_old_sigset(&set, &target_set); | |
6033 | sigorset(&set, &set, &cur_set); | |
6034 | sigprocmask(SIG_SETMASK, &set, &oset); | |
6035 | host_to_target_old_sigset(&target_set, &oset); | |
6036 | ret = target_set; | |
6037 | } | |
6038 | break; | |
7a3148a9 | 6039 | #endif |
e5febef5 | 6040 | #ifdef TARGET_NR_sigprocmask |
66fb9763 FB |
6041 | case TARGET_NR_sigprocmask: |
6042 | { | |
a5b3b13b RH |
6043 | #if defined(TARGET_ALPHA) |
6044 | sigset_t set, oldset; | |
6045 | abi_ulong mask; | |
6046 | int how; | |
6047 | ||
6048 | switch (arg1) { | |
6049 | case TARGET_SIG_BLOCK: | |
6050 | how = SIG_BLOCK; | |
6051 | break; | |
6052 | case TARGET_SIG_UNBLOCK: | |
6053 | how = SIG_UNBLOCK; | |
6054 | break; | |
6055 | case TARGET_SIG_SETMASK: | |
6056 | how = SIG_SETMASK; | |
6057 | break; | |
6058 | default: | |
6059 | ret = -TARGET_EINVAL; | |
6060 | goto fail; | |
6061 | } | |
6062 | mask = arg2; | |
6063 | target_to_host_old_sigset(&set, &mask); | |
6064 | ||
6065 | ret = get_errno(sigprocmask(how, &set, &oldset)); | |
a5b3b13b RH |
6066 | if (!is_error(ret)) { |
6067 | host_to_target_old_sigset(&mask, &oldset); | |
6068 | ret = mask; | |
0229f5a3 | 6069 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; /* force no error */ |
a5b3b13b RH |
6070 | } |
6071 | #else | |
66fb9763 | 6072 | sigset_t set, oldset, *set_ptr; |
a5b3b13b | 6073 | int how; |
3b46e624 | 6074 | |
53a5960a | 6075 | if (arg2) { |
a5b3b13b | 6076 | switch (arg1) { |
66fb9763 FB |
6077 | case TARGET_SIG_BLOCK: |
6078 | how = SIG_BLOCK; | |
6079 | break; | |
6080 | case TARGET_SIG_UNBLOCK: | |
6081 | how = SIG_UNBLOCK; | |
6082 | break; | |
6083 | case TARGET_SIG_SETMASK: | |
6084 | how = SIG_SETMASK; | |
6085 | break; | |
6086 | default: | |
0da46a6e | 6087 | ret = -TARGET_EINVAL; |
66fb9763 FB |
6088 | goto fail; |
6089 | } | |
c227f099 | 6090 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
579a97f7 | 6091 | goto efault; |
53a5960a PB |
6092 | target_to_host_old_sigset(&set, p); |
6093 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
6094 | set_ptr = &set; |
6095 | } else { | |
6096 | how = 0; | |
6097 | set_ptr = NULL; | |
6098 | } | |
a5b3b13b | 6099 | ret = get_errno(sigprocmask(how, set_ptr, &oldset)); |
53a5960a | 6100 | if (!is_error(ret) && arg3) { |
c227f099 | 6101 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
579a97f7 | 6102 | goto efault; |
53a5960a | 6103 | host_to_target_old_sigset(p, &oldset); |
c227f099 | 6104 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 | 6105 | } |
a5b3b13b | 6106 | #endif |
66fb9763 FB |
6107 | } |
6108 | break; | |
e5febef5 | 6109 | #endif |
66fb9763 FB |
6110 | case TARGET_NR_rt_sigprocmask: |
6111 | { | |
6112 | int how = arg1; | |
6113 | sigset_t set, oldset, *set_ptr; | |
3b46e624 | 6114 | |
53a5960a | 6115 | if (arg2) { |
66fb9763 FB |
6116 | switch(how) { |
6117 | case TARGET_SIG_BLOCK: | |
6118 | how = SIG_BLOCK; | |
6119 | break; | |
6120 | case TARGET_SIG_UNBLOCK: | |
6121 | how = SIG_UNBLOCK; | |
6122 | break; | |
6123 | case TARGET_SIG_SETMASK: | |
6124 | how = SIG_SETMASK; | |
6125 | break; | |
6126 | default: | |
0da46a6e | 6127 | ret = -TARGET_EINVAL; |
66fb9763 FB |
6128 | goto fail; |
6129 | } | |
c227f099 | 6130 | if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1))) |
579a97f7 | 6131 | goto efault; |
53a5960a PB |
6132 | target_to_host_sigset(&set, p); |
6133 | unlock_user(p, arg2, 0); | |
66fb9763 FB |
6134 | set_ptr = &set; |
6135 | } else { | |
6136 | how = 0; | |
6137 | set_ptr = NULL; | |
6138 | } | |
6139 | ret = get_errno(sigprocmask(how, set_ptr, &oldset)); | |
53a5960a | 6140 | if (!is_error(ret) && arg3) { |
c227f099 | 6141 | if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0))) |
579a97f7 | 6142 | goto efault; |
53a5960a | 6143 | host_to_target_sigset(p, &oldset); |
c227f099 | 6144 | unlock_user(p, arg3, sizeof(target_sigset_t)); |
66fb9763 FB |
6145 | } |
6146 | } | |
6147 | break; | |
e5febef5 | 6148 | #ifdef TARGET_NR_sigpending |
66fb9763 FB |
6149 | case TARGET_NR_sigpending: |
6150 | { | |
6151 | sigset_t set; | |
6152 | ret = get_errno(sigpending(&set)); | |
6153 | if (!is_error(ret)) { | |
c227f099 | 6154 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
579a97f7 | 6155 | goto efault; |
53a5960a | 6156 | host_to_target_old_sigset(p, &set); |
c227f099 | 6157 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
6158 | } |
6159 | } | |
6160 | break; | |
e5febef5 | 6161 | #endif |
66fb9763 FB |
6162 | case TARGET_NR_rt_sigpending: |
6163 | { | |
6164 | sigset_t set; | |
6165 | ret = get_errno(sigpending(&set)); | |
6166 | if (!is_error(ret)) { | |
c227f099 | 6167 | if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0))) |
579a97f7 | 6168 | goto efault; |
53a5960a | 6169 | host_to_target_sigset(p, &set); |
c227f099 | 6170 | unlock_user(p, arg1, sizeof(target_sigset_t)); |
66fb9763 FB |
6171 | } |
6172 | } | |
6173 | break; | |
e5febef5 | 6174 | #ifdef TARGET_NR_sigsuspend |
66fb9763 FB |
6175 | case TARGET_NR_sigsuspend: |
6176 | { | |
6177 | sigset_t set; | |
f43ce12b RH |
6178 | #if defined(TARGET_ALPHA) |
6179 | abi_ulong mask = arg1; | |
6180 | target_to_host_old_sigset(&set, &mask); | |
6181 | #else | |
c227f099 | 6182 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 6183 | goto efault; |
53a5960a PB |
6184 | target_to_host_old_sigset(&set, p); |
6185 | unlock_user(p, arg1, 0); | |
f43ce12b | 6186 | #endif |
66fb9763 FB |
6187 | ret = get_errno(sigsuspend(&set)); |
6188 | } | |
6189 | break; | |
e5febef5 | 6190 | #endif |
66fb9763 FB |
6191 | case TARGET_NR_rt_sigsuspend: |
6192 | { | |
6193 | sigset_t set; | |
c227f099 | 6194 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 6195 | goto efault; |
53a5960a PB |
6196 | target_to_host_sigset(&set, p); |
6197 | unlock_user(p, arg1, 0); | |
66fb9763 FB |
6198 | ret = get_errno(sigsuspend(&set)); |
6199 | } | |
6200 | break; | |
6201 | case TARGET_NR_rt_sigtimedwait: | |
6202 | { | |
66fb9763 FB |
6203 | sigset_t set; |
6204 | struct timespec uts, *puts; | |
6205 | siginfo_t uinfo; | |
3b46e624 | 6206 | |
c227f099 | 6207 | if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1))) |
579a97f7 | 6208 | goto efault; |
53a5960a PB |
6209 | target_to_host_sigset(&set, p); |
6210 | unlock_user(p, arg1, 0); | |
6211 | if (arg3) { | |
66fb9763 | 6212 | puts = &uts; |
53a5960a | 6213 | target_to_host_timespec(puts, arg3); |
66fb9763 FB |
6214 | } else { |
6215 | puts = NULL; | |
6216 | } | |
6217 | ret = get_errno(sigtimedwait(&set, &uinfo, puts)); | |
53a5960a | 6218 | if (!is_error(ret) && arg2) { |
c227f099 | 6219 | if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0))) |
579a97f7 | 6220 | goto efault; |
53a5960a | 6221 | host_to_target_siginfo(p, &uinfo); |
c227f099 | 6222 | unlock_user(p, arg2, sizeof(target_siginfo_t)); |
66fb9763 FB |
6223 | } |
6224 | } | |
6225 | break; | |
6226 | case TARGET_NR_rt_sigqueueinfo: | |
6227 | { | |
6228 | siginfo_t uinfo; | |
c227f099 | 6229 | if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1))) |
579a97f7 | 6230 | goto efault; |
53a5960a PB |
6231 | target_to_host_siginfo(&uinfo, p); |
6232 | unlock_user(p, arg1, 0); | |
66fb9763 FB |
6233 | ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo)); |
6234 | } | |
6235 | break; | |
e5febef5 | 6236 | #ifdef TARGET_NR_sigreturn |
66fb9763 FB |
6237 | case TARGET_NR_sigreturn: |
6238 | /* NOTE: ret is eax, so not transcoding must be done */ | |
6239 | ret = do_sigreturn(cpu_env); | |
6240 | break; | |
e5febef5 | 6241 | #endif |
66fb9763 FB |
6242 | case TARGET_NR_rt_sigreturn: |
6243 | /* NOTE: ret is eax, so not transcoding must be done */ | |
6244 | ret = do_rt_sigreturn(cpu_env); | |
6245 | break; | |
31e31b8a | 6246 | case TARGET_NR_sethostname: |
579a97f7 FB |
6247 | if (!(p = lock_user_string(arg1))) |
6248 | goto efault; | |
53a5960a PB |
6249 | ret = get_errno(sethostname(p, arg2)); |
6250 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6251 | break; |
6252 | case TARGET_NR_setrlimit: | |
9de5e440 | 6253 | { |
e22b7015 | 6254 | int resource = target_to_host_resource(arg1); |
53a5960a | 6255 | struct target_rlimit *target_rlim; |
9de5e440 | 6256 | struct rlimit rlim; |
579a97f7 FB |
6257 | if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1)) |
6258 | goto efault; | |
81bbe906 TY |
6259 | rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur); |
6260 | rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max); | |
53a5960a | 6261 | unlock_user_struct(target_rlim, arg2, 0); |
9de5e440 FB |
6262 | ret = get_errno(setrlimit(resource, &rlim)); |
6263 | } | |
6264 | break; | |
31e31b8a | 6265 | case TARGET_NR_getrlimit: |
9de5e440 | 6266 | { |
e22b7015 | 6267 | int resource = target_to_host_resource(arg1); |
53a5960a | 6268 | struct target_rlimit *target_rlim; |
9de5e440 | 6269 | struct rlimit rlim; |
3b46e624 | 6270 | |
9de5e440 FB |
6271 | ret = get_errno(getrlimit(resource, &rlim)); |
6272 | if (!is_error(ret)) { | |
579a97f7 FB |
6273 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
6274 | goto efault; | |
81bbe906 TY |
6275 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
6276 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 6277 | unlock_user_struct(target_rlim, arg2, 1); |
9de5e440 FB |
6278 | } |
6279 | } | |
6280 | break; | |
31e31b8a | 6281 | case TARGET_NR_getrusage: |
b409186b FB |
6282 | { |
6283 | struct rusage rusage; | |
b409186b FB |
6284 | ret = get_errno(getrusage(arg1, &rusage)); |
6285 | if (!is_error(ret)) { | |
53a5960a | 6286 | host_to_target_rusage(arg2, &rusage); |
b409186b FB |
6287 | } |
6288 | } | |
6289 | break; | |
31e31b8a FB |
6290 | case TARGET_NR_gettimeofday: |
6291 | { | |
31e31b8a FB |
6292 | struct timeval tv; |
6293 | ret = get_errno(gettimeofday(&tv, NULL)); | |
6294 | if (!is_error(ret)) { | |
788f5ec4 TS |
6295 | if (copy_to_user_timeval(arg1, &tv)) |
6296 | goto efault; | |
31e31b8a FB |
6297 | } |
6298 | } | |
6299 | break; | |
6300 | case TARGET_NR_settimeofday: | |
6301 | { | |
31e31b8a | 6302 | struct timeval tv; |
788f5ec4 TS |
6303 | if (copy_from_user_timeval(&tv, arg1)) |
6304 | goto efault; | |
31e31b8a FB |
6305 | ret = get_errno(settimeofday(&tv, NULL)); |
6306 | } | |
6307 | break; | |
9468a5d4 | 6308 | #if defined(TARGET_NR_select) |
31e31b8a | 6309 | case TARGET_NR_select: |
9468a5d4 LV |
6310 | #if defined(TARGET_S390X) || defined(TARGET_ALPHA) |
6311 | ret = do_select(arg1, arg2, arg3, arg4, arg5); | |
6312 | #else | |
f2674e31 | 6313 | { |
53a5960a | 6314 | struct target_sel_arg_struct *sel; |
992f48a0 | 6315 | abi_ulong inp, outp, exp, tvp; |
53a5960a PB |
6316 | long nsel; |
6317 | ||
579a97f7 FB |
6318 | if (!lock_user_struct(VERIFY_READ, sel, arg1, 1)) |
6319 | goto efault; | |
cbb21eed MB |
6320 | nsel = tswapal(sel->n); |
6321 | inp = tswapal(sel->inp); | |
6322 | outp = tswapal(sel->outp); | |
6323 | exp = tswapal(sel->exp); | |
6324 | tvp = tswapal(sel->tvp); | |
53a5960a PB |
6325 | unlock_user_struct(sel, arg1, 0); |
6326 | ret = do_select(nsel, inp, outp, exp, tvp); | |
f2674e31 | 6327 | } |
9468a5d4 | 6328 | #endif |
f2674e31 | 6329 | break; |
9e42382f RV |
6330 | #endif |
6331 | #ifdef TARGET_NR_pselect6 | |
6332 | case TARGET_NR_pselect6: | |
055e0906 MF |
6333 | { |
6334 | abi_long rfd_addr, wfd_addr, efd_addr, n, ts_addr; | |
6335 | fd_set rfds, wfds, efds; | |
6336 | fd_set *rfds_ptr, *wfds_ptr, *efds_ptr; | |
6337 | struct timespec ts, *ts_ptr; | |
6338 | ||
6339 | /* | |
6340 | * The 6th arg is actually two args smashed together, | |
6341 | * so we cannot use the C library. | |
6342 | */ | |
6343 | sigset_t set; | |
6344 | struct { | |
6345 | sigset_t *set; | |
6346 | size_t size; | |
6347 | } sig, *sig_ptr; | |
6348 | ||
6349 | abi_ulong arg_sigset, arg_sigsize, *arg7; | |
6350 | target_sigset_t *target_sigset; | |
6351 | ||
6352 | n = arg1; | |
6353 | rfd_addr = arg2; | |
6354 | wfd_addr = arg3; | |
6355 | efd_addr = arg4; | |
6356 | ts_addr = arg5; | |
6357 | ||
6358 | ret = copy_from_user_fdset_ptr(&rfds, &rfds_ptr, rfd_addr, n); | |
6359 | if (ret) { | |
6360 | goto fail; | |
6361 | } | |
6362 | ret = copy_from_user_fdset_ptr(&wfds, &wfds_ptr, wfd_addr, n); | |
6363 | if (ret) { | |
6364 | goto fail; | |
6365 | } | |
6366 | ret = copy_from_user_fdset_ptr(&efds, &efds_ptr, efd_addr, n); | |
6367 | if (ret) { | |
6368 | goto fail; | |
6369 | } | |
6370 | ||
6371 | /* | |
6372 | * This takes a timespec, and not a timeval, so we cannot | |
6373 | * use the do_select() helper ... | |
6374 | */ | |
6375 | if (ts_addr) { | |
6376 | if (target_to_host_timespec(&ts, ts_addr)) { | |
6377 | goto efault; | |
6378 | } | |
6379 | ts_ptr = &ts; | |
6380 | } else { | |
6381 | ts_ptr = NULL; | |
6382 | } | |
6383 | ||
6384 | /* Extract the two packed args for the sigset */ | |
6385 | if (arg6) { | |
6386 | sig_ptr = &sig; | |
6387 | sig.size = _NSIG / 8; | |
6388 | ||
6389 | arg7 = lock_user(VERIFY_READ, arg6, sizeof(*arg7) * 2, 1); | |
6390 | if (!arg7) { | |
6391 | goto efault; | |
6392 | } | |
cbb21eed MB |
6393 | arg_sigset = tswapal(arg7[0]); |
6394 | arg_sigsize = tswapal(arg7[1]); | |
055e0906 MF |
6395 | unlock_user(arg7, arg6, 0); |
6396 | ||
6397 | if (arg_sigset) { | |
6398 | sig.set = &set; | |
8f04eeb3 PM |
6399 | if (arg_sigsize != sizeof(*target_sigset)) { |
6400 | /* Like the kernel, we enforce correct size sigsets */ | |
6401 | ret = -TARGET_EINVAL; | |
6402 | goto fail; | |
6403 | } | |
055e0906 MF |
6404 | target_sigset = lock_user(VERIFY_READ, arg_sigset, |
6405 | sizeof(*target_sigset), 1); | |
6406 | if (!target_sigset) { | |
6407 | goto efault; | |
6408 | } | |
6409 | target_to_host_sigset(&set, target_sigset); | |
6410 | unlock_user(target_sigset, arg_sigset, 0); | |
6411 | } else { | |
6412 | sig.set = NULL; | |
6413 | } | |
6414 | } else { | |
6415 | sig_ptr = NULL; | |
6416 | } | |
6417 | ||
6418 | ret = get_errno(sys_pselect6(n, rfds_ptr, wfds_ptr, efds_ptr, | |
6419 | ts_ptr, sig_ptr)); | |
6420 | ||
6421 | if (!is_error(ret)) { | |
6422 | if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n)) | |
6423 | goto efault; | |
6424 | if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n)) | |
6425 | goto efault; | |
6426 | if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n)) | |
6427 | goto efault; | |
6428 | ||
6429 | if (ts_addr && host_to_target_timespec(ts_addr, &ts)) | |
6430 | goto efault; | |
6431 | } | |
6432 | } | |
6433 | break; | |
048f6b4d | 6434 | #endif |
31e31b8a | 6435 | case TARGET_NR_symlink: |
53a5960a PB |
6436 | { |
6437 | void *p2; | |
6438 | p = lock_user_string(arg1); | |
6439 | p2 = lock_user_string(arg2); | |
579a97f7 FB |
6440 | if (!p || !p2) |
6441 | ret = -TARGET_EFAULT; | |
6442 | else | |
6443 | ret = get_errno(symlink(p, p2)); | |
53a5960a PB |
6444 | unlock_user(p2, arg2, 0); |
6445 | unlock_user(p, arg1, 0); | |
6446 | } | |
31e31b8a | 6447 | break; |
c0d472b1 | 6448 | #if defined(TARGET_NR_symlinkat) |
f0b6243d | 6449 | case TARGET_NR_symlinkat: |
f0b6243d | 6450 | { |
579a97f7 | 6451 | void *p2; |
f0b6243d TS |
6452 | p = lock_user_string(arg1); |
6453 | p2 = lock_user_string(arg3); | |
579a97f7 | 6454 | if (!p || !p2) |
0da46a6e | 6455 | ret = -TARGET_EFAULT; |
f0b6243d | 6456 | else |
c0d472b1 | 6457 | ret = get_errno(symlinkat(p, arg2, p2)); |
579a97f7 FB |
6458 | unlock_user(p2, arg3, 0); |
6459 | unlock_user(p, arg1, 0); | |
f0b6243d TS |
6460 | } |
6461 | break; | |
6462 | #endif | |
ebc05488 | 6463 | #ifdef TARGET_NR_oldlstat |
31e31b8a FB |
6464 | case TARGET_NR_oldlstat: |
6465 | goto unimplemented; | |
ebc05488 | 6466 | #endif |
31e31b8a | 6467 | case TARGET_NR_readlink: |
53a5960a | 6468 | { |
463d8e73 | 6469 | void *p2; |
53a5960a | 6470 | p = lock_user_string(arg1); |
579a97f7 | 6471 | p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0); |
463d8e73 | 6472 | if (!p || !p2) { |
579a97f7 | 6473 | ret = -TARGET_EFAULT; |
463d8e73 AS |
6474 | } else if (is_proc_myself((const char *)p, "exe")) { |
6475 | char real[PATH_MAX], *temp; | |
6476 | temp = realpath(exec_path, real); | |
6477 | ret = temp == NULL ? get_errno(-1) : strlen(real) ; | |
6478 | snprintf((char *)p2, arg3, "%s", real); | |
6479 | } else { | |
6480 | ret = get_errno(readlink(path(p), p2, arg3)); | |
d088d664 | 6481 | } |
53a5960a PB |
6482 | unlock_user(p2, arg2, ret); |
6483 | unlock_user(p, arg1, 0); | |
6484 | } | |
31e31b8a | 6485 | break; |
c0d472b1 | 6486 | #if defined(TARGET_NR_readlinkat) |
5e0ccb18 | 6487 | case TARGET_NR_readlinkat: |
5e0ccb18 | 6488 | { |
579a97f7 | 6489 | void *p2; |
5e0ccb18 | 6490 | p = lock_user_string(arg2); |
579a97f7 | 6491 | p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0); |
463d8e73 AS |
6492 | if (!p || !p2) { |
6493 | ret = -TARGET_EFAULT; | |
6494 | } else if (is_proc_myself((const char *)p, "exe")) { | |
6495 | char real[PATH_MAX], *temp; | |
6496 | temp = realpath(exec_path, real); | |
6497 | ret = temp == NULL ? get_errno(-1) : strlen(real) ; | |
6498 | snprintf((char *)p2, arg4, "%s", real); | |
6499 | } else { | |
c0d472b1 | 6500 | ret = get_errno(readlinkat(arg1, path(p), p2, arg4)); |
463d8e73 | 6501 | } |
579a97f7 FB |
6502 | unlock_user(p2, arg3, ret); |
6503 | unlock_user(p, arg2, 0); | |
5e0ccb18 TS |
6504 | } |
6505 | break; | |
6506 | #endif | |
e5febef5 | 6507 | #ifdef TARGET_NR_uselib |
31e31b8a FB |
6508 | case TARGET_NR_uselib: |
6509 | goto unimplemented; | |
e5febef5 TS |
6510 | #endif |
6511 | #ifdef TARGET_NR_swapon | |
31e31b8a | 6512 | case TARGET_NR_swapon: |
579a97f7 FB |
6513 | if (!(p = lock_user_string(arg1))) |
6514 | goto efault; | |
53a5960a PB |
6515 | ret = get_errno(swapon(p, arg2)); |
6516 | unlock_user(p, arg1, 0); | |
31e31b8a | 6517 | break; |
e5febef5 | 6518 | #endif |
31e31b8a | 6519 | case TARGET_NR_reboot: |
c07ecc68 LV |
6520 | if (arg3 == LINUX_REBOOT_CMD_RESTART2) { |
6521 | /* arg4 must be ignored in all other cases */ | |
6522 | p = lock_user_string(arg4); | |
6523 | if (!p) { | |
6524 | goto efault; | |
6525 | } | |
6526 | ret = get_errno(reboot(arg1, arg2, arg3, p)); | |
6527 | unlock_user(p, arg4, 0); | |
6528 | } else { | |
6529 | ret = get_errno(reboot(arg1, arg2, arg3, NULL)); | |
6530 | } | |
0f6b4d21 | 6531 | break; |
e5febef5 | 6532 | #ifdef TARGET_NR_readdir |
31e31b8a FB |
6533 | case TARGET_NR_readdir: |
6534 | goto unimplemented; | |
e5febef5 TS |
6535 | #endif |
6536 | #ifdef TARGET_NR_mmap | |
31e31b8a | 6537 | case TARGET_NR_mmap: |
09701199 AG |
6538 | #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || \ |
6539 | (defined(TARGET_ARM) && defined(TARGET_ABI32)) || \ | |
a4c075f1 UH |
6540 | defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE) \ |
6541 | || defined(TARGET_S390X) | |
31e31b8a | 6542 | { |
992f48a0 BS |
6543 | abi_ulong *v; |
6544 | abi_ulong v1, v2, v3, v4, v5, v6; | |
579a97f7 FB |
6545 | if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1))) |
6546 | goto efault; | |
cbb21eed MB |
6547 | v1 = tswapal(v[0]); |
6548 | v2 = tswapal(v[1]); | |
6549 | v3 = tswapal(v[2]); | |
6550 | v4 = tswapal(v[3]); | |
6551 | v5 = tswapal(v[4]); | |
6552 | v6 = tswapal(v[5]); | |
53a5960a | 6553 | unlock_user(v, arg1, 0); |
5fafdf24 | 6554 | ret = get_errno(target_mmap(v1, v2, v3, |
5286db75 FB |
6555 | target_to_host_bitmask(v4, mmap_flags_tbl), |
6556 | v5, v6)); | |
31e31b8a | 6557 | } |
31e31b8a | 6558 | #else |
5fafdf24 TS |
6559 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
6560 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
6fb883e8 FB |
6561 | arg5, |
6562 | arg6)); | |
31e31b8a | 6563 | #endif |
6fb883e8 | 6564 | break; |
e5febef5 | 6565 | #endif |
a315a145 | 6566 | #ifdef TARGET_NR_mmap2 |
6fb883e8 | 6567 | case TARGET_NR_mmap2: |
bb7ec043 | 6568 | #ifndef MMAP_SHIFT |
c573ff67 | 6569 | #define MMAP_SHIFT 12 |
c573ff67 | 6570 | #endif |
5fafdf24 TS |
6571 | ret = get_errno(target_mmap(arg1, arg2, arg3, |
6572 | target_to_host_bitmask(arg4, mmap_flags_tbl), | |
5286db75 | 6573 | arg5, |
c573ff67 | 6574 | arg6 << MMAP_SHIFT)); |
31e31b8a | 6575 | break; |
a315a145 | 6576 | #endif |
31e31b8a | 6577 | case TARGET_NR_munmap: |
54936004 | 6578 | ret = get_errno(target_munmap(arg1, arg2)); |
31e31b8a | 6579 | break; |
9de5e440 | 6580 | case TARGET_NR_mprotect: |
97374d38 | 6581 | { |
9349b4f9 | 6582 | TaskState *ts = ((CPUArchState *)cpu_env)->opaque; |
97374d38 PB |
6583 | /* Special hack to detect libc making the stack executable. */ |
6584 | if ((arg3 & PROT_GROWSDOWN) | |
6585 | && arg1 >= ts->info->stack_limit | |
6586 | && arg1 <= ts->info->start_stack) { | |
6587 | arg3 &= ~PROT_GROWSDOWN; | |
6588 | arg2 = arg2 + arg1 - ts->info->stack_limit; | |
6589 | arg1 = ts->info->stack_limit; | |
6590 | } | |
6591 | } | |
54936004 | 6592 | ret = get_errno(target_mprotect(arg1, arg2, arg3)); |
9de5e440 | 6593 | break; |
e5febef5 | 6594 | #ifdef TARGET_NR_mremap |
9de5e440 | 6595 | case TARGET_NR_mremap: |
54936004 | 6596 | ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5)); |
9de5e440 | 6597 | break; |
e5febef5 | 6598 | #endif |
53a5960a | 6599 | /* ??? msync/mlock/munlock are broken for softmmu. */ |
e5febef5 | 6600 | #ifdef TARGET_NR_msync |
9de5e440 | 6601 | case TARGET_NR_msync: |
53a5960a | 6602 | ret = get_errno(msync(g2h(arg1), arg2, arg3)); |
9de5e440 | 6603 | break; |
e5febef5 TS |
6604 | #endif |
6605 | #ifdef TARGET_NR_mlock | |
9de5e440 | 6606 | case TARGET_NR_mlock: |
53a5960a | 6607 | ret = get_errno(mlock(g2h(arg1), arg2)); |
9de5e440 | 6608 | break; |
e5febef5 TS |
6609 | #endif |
6610 | #ifdef TARGET_NR_munlock | |
9de5e440 | 6611 | case TARGET_NR_munlock: |
53a5960a | 6612 | ret = get_errno(munlock(g2h(arg1), arg2)); |
9de5e440 | 6613 | break; |
e5febef5 TS |
6614 | #endif |
6615 | #ifdef TARGET_NR_mlockall | |
9de5e440 FB |
6616 | case TARGET_NR_mlockall: |
6617 | ret = get_errno(mlockall(arg1)); | |
6618 | break; | |
e5febef5 TS |
6619 | #endif |
6620 | #ifdef TARGET_NR_munlockall | |
9de5e440 FB |
6621 | case TARGET_NR_munlockall: |
6622 | ret = get_errno(munlockall()); | |
6623 | break; | |
e5febef5 | 6624 | #endif |
31e31b8a | 6625 | case TARGET_NR_truncate: |
579a97f7 FB |
6626 | if (!(p = lock_user_string(arg1))) |
6627 | goto efault; | |
53a5960a PB |
6628 | ret = get_errno(truncate(p, arg2)); |
6629 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6630 | break; |
6631 | case TARGET_NR_ftruncate: | |
6632 | ret = get_errno(ftruncate(arg1, arg2)); | |
6633 | break; | |
6634 | case TARGET_NR_fchmod: | |
6635 | ret = get_errno(fchmod(arg1, arg2)); | |
6636 | break; | |
c0d472b1 | 6637 | #if defined(TARGET_NR_fchmodat) |
814d7977 | 6638 | case TARGET_NR_fchmodat: |
579a97f7 FB |
6639 | if (!(p = lock_user_string(arg2))) |
6640 | goto efault; | |
c0d472b1 | 6641 | ret = get_errno(fchmodat(arg1, p, arg3, 0)); |
579a97f7 | 6642 | unlock_user(p, arg2, 0); |
814d7977 TS |
6643 | break; |
6644 | #endif | |
31e31b8a | 6645 | case TARGET_NR_getpriority: |
95c09828 RH |
6646 | /* Note that negative values are valid for getpriority, so we must |
6647 | differentiate based on errno settings. */ | |
6648 | errno = 0; | |
6649 | ret = getpriority(arg1, arg2); | |
6650 | if (ret == -1 && errno != 0) { | |
6651 | ret = -host_to_target_errno(errno); | |
6652 | break; | |
6653 | } | |
6654 | #ifdef TARGET_ALPHA | |
6655 | /* Return value is the unbiased priority. Signal no error. */ | |
6656 | ((CPUAlphaState *)cpu_env)->ir[IR_V0] = 0; | |
6657 | #else | |
6658 | /* Return value is a biased priority to avoid negative numbers. */ | |
6659 | ret = 20 - ret; | |
6660 | #endif | |
31e31b8a FB |
6661 | break; |
6662 | case TARGET_NR_setpriority: | |
6663 | ret = get_errno(setpriority(arg1, arg2, arg3)); | |
6664 | break; | |
ebc05488 | 6665 | #ifdef TARGET_NR_profil |
31e31b8a FB |
6666 | case TARGET_NR_profil: |
6667 | goto unimplemented; | |
ebc05488 | 6668 | #endif |
31e31b8a | 6669 | case TARGET_NR_statfs: |
579a97f7 FB |
6670 | if (!(p = lock_user_string(arg1))) |
6671 | goto efault; | |
53a5960a PB |
6672 | ret = get_errno(statfs(path(p), &stfs)); |
6673 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6674 | convert_statfs: |
6675 | if (!is_error(ret)) { | |
53a5960a | 6676 | struct target_statfs *target_stfs; |
3b46e624 | 6677 | |
579a97f7 FB |
6678 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0)) |
6679 | goto efault; | |
6680 | __put_user(stfs.f_type, &target_stfs->f_type); | |
6681 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
6682 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
6683 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
6684 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
6685 | __put_user(stfs.f_files, &target_stfs->f_files); | |
6686 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
6687 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
6688 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
6689 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
6690 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
6691 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
53a5960a | 6692 | unlock_user_struct(target_stfs, arg2, 1); |
31e31b8a FB |
6693 | } |
6694 | break; | |
6695 | case TARGET_NR_fstatfs: | |
56c8f68f | 6696 | ret = get_errno(fstatfs(arg1, &stfs)); |
31e31b8a | 6697 | goto convert_statfs; |
56c8f68f FB |
6698 | #ifdef TARGET_NR_statfs64 |
6699 | case TARGET_NR_statfs64: | |
579a97f7 FB |
6700 | if (!(p = lock_user_string(arg1))) |
6701 | goto efault; | |
53a5960a PB |
6702 | ret = get_errno(statfs(path(p), &stfs)); |
6703 | unlock_user(p, arg1, 0); | |
56c8f68f FB |
6704 | convert_statfs64: |
6705 | if (!is_error(ret)) { | |
53a5960a | 6706 | struct target_statfs64 *target_stfs; |
3b46e624 | 6707 | |
579a97f7 FB |
6708 | if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0)) |
6709 | goto efault; | |
6710 | __put_user(stfs.f_type, &target_stfs->f_type); | |
6711 | __put_user(stfs.f_bsize, &target_stfs->f_bsize); | |
6712 | __put_user(stfs.f_blocks, &target_stfs->f_blocks); | |
6713 | __put_user(stfs.f_bfree, &target_stfs->f_bfree); | |
6714 | __put_user(stfs.f_bavail, &target_stfs->f_bavail); | |
6715 | __put_user(stfs.f_files, &target_stfs->f_files); | |
6716 | __put_user(stfs.f_ffree, &target_stfs->f_ffree); | |
6717 | __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]); | |
6718 | __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]); | |
6719 | __put_user(stfs.f_namelen, &target_stfs->f_namelen); | |
229d3376 AG |
6720 | __put_user(stfs.f_frsize, &target_stfs->f_frsize); |
6721 | memset(target_stfs->f_spare, 0, sizeof(target_stfs->f_spare)); | |
579a97f7 | 6722 | unlock_user_struct(target_stfs, arg3, 1); |
56c8f68f FB |
6723 | } |
6724 | break; | |
6725 | case TARGET_NR_fstatfs64: | |
6726 | ret = get_errno(fstatfs(arg1, &stfs)); | |
6727 | goto convert_statfs64; | |
6728 | #endif | |
ebc05488 | 6729 | #ifdef TARGET_NR_ioperm |
31e31b8a FB |
6730 | case TARGET_NR_ioperm: |
6731 | goto unimplemented; | |
ebc05488 | 6732 | #endif |
e5febef5 | 6733 | #ifdef TARGET_NR_socketcall |
31e31b8a | 6734 | case TARGET_NR_socketcall: |
53a5960a | 6735 | ret = do_socketcall(arg1, arg2); |
31e31b8a | 6736 | break; |
e5febef5 | 6737 | #endif |
3532fa74 FB |
6738 | #ifdef TARGET_NR_accept |
6739 | case TARGET_NR_accept: | |
a94b4987 PM |
6740 | ret = do_accept4(arg1, arg2, arg3, 0); |
6741 | break; | |
6742 | #endif | |
6743 | #ifdef TARGET_NR_accept4 | |
6744 | case TARGET_NR_accept4: | |
6745 | #ifdef CONFIG_ACCEPT4 | |
6746 | ret = do_accept4(arg1, arg2, arg3, arg4); | |
6747 | #else | |
6748 | goto unimplemented; | |
6749 | #endif | |
3532fa74 FB |
6750 | break; |
6751 | #endif | |
6752 | #ifdef TARGET_NR_bind | |
6753 | case TARGET_NR_bind: | |
6754 | ret = do_bind(arg1, arg2, arg3); | |
6755 | break; | |
6756 | #endif | |
6757 | #ifdef TARGET_NR_connect | |
6758 | case TARGET_NR_connect: | |
6759 | ret = do_connect(arg1, arg2, arg3); | |
6760 | break; | |
6761 | #endif | |
6762 | #ifdef TARGET_NR_getpeername | |
6763 | case TARGET_NR_getpeername: | |
1be9e1dc | 6764 | ret = do_getpeername(arg1, arg2, arg3); |
3532fa74 FB |
6765 | break; |
6766 | #endif | |
6767 | #ifdef TARGET_NR_getsockname | |
6768 | case TARGET_NR_getsockname: | |
1be9e1dc | 6769 | ret = do_getsockname(arg1, arg2, arg3); |
3532fa74 FB |
6770 | break; |
6771 | #endif | |
6772 | #ifdef TARGET_NR_getsockopt | |
6773 | case TARGET_NR_getsockopt: | |
6774 | ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5); | |
6775 | break; | |
6776 | #endif | |
6777 | #ifdef TARGET_NR_listen | |
6778 | case TARGET_NR_listen: | |
1be9e1dc | 6779 | ret = get_errno(listen(arg1, arg2)); |
3532fa74 FB |
6780 | break; |
6781 | #endif | |
6782 | #ifdef TARGET_NR_recv | |
6783 | case TARGET_NR_recv: | |
214201bd | 6784 | ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
6785 | break; |
6786 | #endif | |
6787 | #ifdef TARGET_NR_recvfrom | |
6788 | case TARGET_NR_recvfrom: | |
214201bd | 6789 | ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
6790 | break; |
6791 | #endif | |
6792 | #ifdef TARGET_NR_recvmsg | |
6793 | case TARGET_NR_recvmsg: | |
6794 | ret = do_sendrecvmsg(arg1, arg2, arg3, 0); | |
6795 | break; | |
6796 | #endif | |
6797 | #ifdef TARGET_NR_send | |
6798 | case TARGET_NR_send: | |
1be9e1dc | 6799 | ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0); |
3532fa74 FB |
6800 | break; |
6801 | #endif | |
6802 | #ifdef TARGET_NR_sendmsg | |
6803 | case TARGET_NR_sendmsg: | |
6804 | ret = do_sendrecvmsg(arg1, arg2, arg3, 1); | |
6805 | break; | |
6806 | #endif | |
6807 | #ifdef TARGET_NR_sendto | |
6808 | case TARGET_NR_sendto: | |
1be9e1dc | 6809 | ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6); |
3532fa74 FB |
6810 | break; |
6811 | #endif | |
6812 | #ifdef TARGET_NR_shutdown | |
6813 | case TARGET_NR_shutdown: | |
1be9e1dc | 6814 | ret = get_errno(shutdown(arg1, arg2)); |
3532fa74 FB |
6815 | break; |
6816 | #endif | |
6817 | #ifdef TARGET_NR_socket | |
6818 | case TARGET_NR_socket: | |
6819 | ret = do_socket(arg1, arg2, arg3); | |
6820 | break; | |
6821 | #endif | |
6822 | #ifdef TARGET_NR_socketpair | |
6823 | case TARGET_NR_socketpair: | |
1be9e1dc | 6824 | ret = do_socketpair(arg1, arg2, arg3, arg4); |
3532fa74 FB |
6825 | break; |
6826 | #endif | |
6827 | #ifdef TARGET_NR_setsockopt | |
6828 | case TARGET_NR_setsockopt: | |
6829 | ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5); | |
6830 | break; | |
6831 | #endif | |
7494b0f9 | 6832 | |
31e31b8a | 6833 | case TARGET_NR_syslog: |
579a97f7 FB |
6834 | if (!(p = lock_user_string(arg2))) |
6835 | goto efault; | |
e5574487 TS |
6836 | ret = get_errno(sys_syslog((int)arg1, p, (int)arg3)); |
6837 | unlock_user(p, arg2, 0); | |
7494b0f9 TS |
6838 | break; |
6839 | ||
31e31b8a | 6840 | case TARGET_NR_setitimer: |
66fb9763 | 6841 | { |
66fb9763 FB |
6842 | struct itimerval value, ovalue, *pvalue; |
6843 | ||
53a5960a | 6844 | if (arg2) { |
66fb9763 | 6845 | pvalue = &value; |
788f5ec4 TS |
6846 | if (copy_from_user_timeval(&pvalue->it_interval, arg2) |
6847 | || copy_from_user_timeval(&pvalue->it_value, | |
6848 | arg2 + sizeof(struct target_timeval))) | |
6849 | goto efault; | |
66fb9763 FB |
6850 | } else { |
6851 | pvalue = NULL; | |
6852 | } | |
6853 | ret = get_errno(setitimer(arg1, pvalue, &ovalue)); | |
53a5960a | 6854 | if (!is_error(ret) && arg3) { |
788f5ec4 TS |
6855 | if (copy_to_user_timeval(arg3, |
6856 | &ovalue.it_interval) | |
6857 | || copy_to_user_timeval(arg3 + sizeof(struct target_timeval), | |
6858 | &ovalue.it_value)) | |
6859 | goto efault; | |
66fb9763 FB |
6860 | } |
6861 | } | |
6862 | break; | |
31e31b8a | 6863 | case TARGET_NR_getitimer: |
66fb9763 | 6864 | { |
66fb9763 | 6865 | struct itimerval value; |
3b46e624 | 6866 | |
66fb9763 | 6867 | ret = get_errno(getitimer(arg1, &value)); |
53a5960a | 6868 | if (!is_error(ret) && arg2) { |
788f5ec4 TS |
6869 | if (copy_to_user_timeval(arg2, |
6870 | &value.it_interval) | |
6871 | || copy_to_user_timeval(arg2 + sizeof(struct target_timeval), | |
6872 | &value.it_value)) | |
6873 | goto efault; | |
66fb9763 FB |
6874 | } |
6875 | } | |
6876 | break; | |
31e31b8a | 6877 | case TARGET_NR_stat: |
579a97f7 FB |
6878 | if (!(p = lock_user_string(arg1))) |
6879 | goto efault; | |
53a5960a PB |
6880 | ret = get_errno(stat(path(p), &st)); |
6881 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6882 | goto do_stat; |
6883 | case TARGET_NR_lstat: | |
579a97f7 FB |
6884 | if (!(p = lock_user_string(arg1))) |
6885 | goto efault; | |
53a5960a PB |
6886 | ret = get_errno(lstat(path(p), &st)); |
6887 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
6888 | goto do_stat; |
6889 | case TARGET_NR_fstat: | |
6890 | { | |
6891 | ret = get_errno(fstat(arg1, &st)); | |
6892 | do_stat: | |
6893 | if (!is_error(ret)) { | |
53a5960a | 6894 | struct target_stat *target_st; |
e3584658 | 6895 | |
579a97f7 FB |
6896 | if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0)) |
6897 | goto efault; | |
12727917 | 6898 | memset(target_st, 0, sizeof(*target_st)); |
d2fd1af7 FB |
6899 | __put_user(st.st_dev, &target_st->st_dev); |
6900 | __put_user(st.st_ino, &target_st->st_ino); | |
6901 | __put_user(st.st_mode, &target_st->st_mode); | |
6902 | __put_user(st.st_uid, &target_st->st_uid); | |
6903 | __put_user(st.st_gid, &target_st->st_gid); | |
6904 | __put_user(st.st_nlink, &target_st->st_nlink); | |
6905 | __put_user(st.st_rdev, &target_st->st_rdev); | |
6906 | __put_user(st.st_size, &target_st->st_size); | |
6907 | __put_user(st.st_blksize, &target_st->st_blksize); | |
6908 | __put_user(st.st_blocks, &target_st->st_blocks); | |
6909 | __put_user(st.st_atime, &target_st->target_st_atime); | |
6910 | __put_user(st.st_mtime, &target_st->target_st_mtime); | |
6911 | __put_user(st.st_ctime, &target_st->target_st_ctime); | |
53a5960a | 6912 | unlock_user_struct(target_st, arg2, 1); |
31e31b8a FB |
6913 | } |
6914 | } | |
6915 | break; | |
ebc05488 | 6916 | #ifdef TARGET_NR_olduname |
31e31b8a FB |
6917 | case TARGET_NR_olduname: |
6918 | goto unimplemented; | |
ebc05488 FB |
6919 | #endif |
6920 | #ifdef TARGET_NR_iopl | |
31e31b8a FB |
6921 | case TARGET_NR_iopl: |
6922 | goto unimplemented; | |
ebc05488 | 6923 | #endif |
31e31b8a FB |
6924 | case TARGET_NR_vhangup: |
6925 | ret = get_errno(vhangup()); | |
6926 | break; | |
ebc05488 | 6927 | #ifdef TARGET_NR_idle |
31e31b8a FB |
6928 | case TARGET_NR_idle: |
6929 | goto unimplemented; | |
42ad6ae9 FB |
6930 | #endif |
6931 | #ifdef TARGET_NR_syscall | |
6932 | case TARGET_NR_syscall: | |
5945cfcb PM |
6933 | ret = do_syscall(cpu_env, arg1 & 0xffff, arg2, arg3, arg4, arg5, |
6934 | arg6, arg7, arg8, 0); | |
6935 | break; | |
ebc05488 | 6936 | #endif |
31e31b8a FB |
6937 | case TARGET_NR_wait4: |
6938 | { | |
6939 | int status; | |
992f48a0 | 6940 | abi_long status_ptr = arg2; |
31e31b8a | 6941 | struct rusage rusage, *rusage_ptr; |
992f48a0 | 6942 | abi_ulong target_rusage = arg4; |
31e31b8a FB |
6943 | if (target_rusage) |
6944 | rusage_ptr = &rusage; | |
6945 | else | |
6946 | rusage_ptr = NULL; | |
6947 | ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr)); | |
6948 | if (!is_error(ret)) { | |
5379557b | 6949 | if (status_ptr && ret) { |
1d9d8b55 | 6950 | status = host_to_target_waitstatus(status); |
2f619698 FB |
6951 | if (put_user_s32(status, status_ptr)) |
6952 | goto efault; | |
31e31b8a | 6953 | } |
2f619698 FB |
6954 | if (target_rusage) |
6955 | host_to_target_rusage(target_rusage, &rusage); | |
31e31b8a FB |
6956 | } |
6957 | } | |
6958 | break; | |
e5febef5 | 6959 | #ifdef TARGET_NR_swapoff |
31e31b8a | 6960 | case TARGET_NR_swapoff: |
579a97f7 FB |
6961 | if (!(p = lock_user_string(arg1))) |
6962 | goto efault; | |
53a5960a PB |
6963 | ret = get_errno(swapoff(p)); |
6964 | unlock_user(p, arg1, 0); | |
31e31b8a | 6965 | break; |
e5febef5 | 6966 | #endif |
31e31b8a | 6967 | case TARGET_NR_sysinfo: |
a5448a7d | 6968 | { |
53a5960a | 6969 | struct target_sysinfo *target_value; |
a5448a7d FB |
6970 | struct sysinfo value; |
6971 | ret = get_errno(sysinfo(&value)); | |
53a5960a | 6972 | if (!is_error(ret) && arg1) |
a5448a7d | 6973 | { |
579a97f7 FB |
6974 | if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0)) |
6975 | goto efault; | |
a5448a7d FB |
6976 | __put_user(value.uptime, &target_value->uptime); |
6977 | __put_user(value.loads[0], &target_value->loads[0]); | |
6978 | __put_user(value.loads[1], &target_value->loads[1]); | |
6979 | __put_user(value.loads[2], &target_value->loads[2]); | |
6980 | __put_user(value.totalram, &target_value->totalram); | |
6981 | __put_user(value.freeram, &target_value->freeram); | |
6982 | __put_user(value.sharedram, &target_value->sharedram); | |
6983 | __put_user(value.bufferram, &target_value->bufferram); | |
6984 | __put_user(value.totalswap, &target_value->totalswap); | |
6985 | __put_user(value.freeswap, &target_value->freeswap); | |
6986 | __put_user(value.procs, &target_value->procs); | |
6987 | __put_user(value.totalhigh, &target_value->totalhigh); | |
6988 | __put_user(value.freehigh, &target_value->freehigh); | |
6989 | __put_user(value.mem_unit, &target_value->mem_unit); | |
53a5960a | 6990 | unlock_user_struct(target_value, arg1, 1); |
a5448a7d FB |
6991 | } |
6992 | } | |
6993 | break; | |
e5febef5 | 6994 | #ifdef TARGET_NR_ipc |
31e31b8a | 6995 | case TARGET_NR_ipc: |
8853f86e FB |
6996 | ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6); |
6997 | break; | |
e5febef5 | 6998 | #endif |
e5289087 AJ |
6999 | #ifdef TARGET_NR_semget |
7000 | case TARGET_NR_semget: | |
7001 | ret = get_errno(semget(arg1, arg2, arg3)); | |
7002 | break; | |
7003 | #endif | |
7004 | #ifdef TARGET_NR_semop | |
7005 | case TARGET_NR_semop: | |
c7128c9f | 7006 | ret = do_semop(arg1, arg2, arg3); |
e5289087 AJ |
7007 | break; |
7008 | #endif | |
7009 | #ifdef TARGET_NR_semctl | |
7010 | case TARGET_NR_semctl: | |
7011 | ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4); | |
7012 | break; | |
7013 | #endif | |
eeb438c1 AJ |
7014 | #ifdef TARGET_NR_msgctl |
7015 | case TARGET_NR_msgctl: | |
7016 | ret = do_msgctl(arg1, arg2, arg3); | |
7017 | break; | |
7018 | #endif | |
7019 | #ifdef TARGET_NR_msgget | |
7020 | case TARGET_NR_msgget: | |
7021 | ret = get_errno(msgget(arg1, arg2)); | |
7022 | break; | |
7023 | #endif | |
7024 | #ifdef TARGET_NR_msgrcv | |
7025 | case TARGET_NR_msgrcv: | |
7026 | ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5); | |
7027 | break; | |
7028 | #endif | |
7029 | #ifdef TARGET_NR_msgsnd | |
7030 | case TARGET_NR_msgsnd: | |
7031 | ret = do_msgsnd(arg1, arg2, arg3, arg4); | |
7032 | break; | |
88a8c984 RV |
7033 | #endif |
7034 | #ifdef TARGET_NR_shmget | |
7035 | case TARGET_NR_shmget: | |
7036 | ret = get_errno(shmget(arg1, arg2, arg3)); | |
7037 | break; | |
7038 | #endif | |
7039 | #ifdef TARGET_NR_shmctl | |
7040 | case TARGET_NR_shmctl: | |
7041 | ret = do_shmctl(arg1, arg2, arg3); | |
7042 | break; | |
7043 | #endif | |
7044 | #ifdef TARGET_NR_shmat | |
7045 | case TARGET_NR_shmat: | |
7046 | ret = do_shmat(arg1, arg2, arg3); | |
7047 | break; | |
7048 | #endif | |
7049 | #ifdef TARGET_NR_shmdt | |
7050 | case TARGET_NR_shmdt: | |
7051 | ret = do_shmdt(arg1); | |
7052 | break; | |
eeb438c1 | 7053 | #endif |
31e31b8a FB |
7054 | case TARGET_NR_fsync: |
7055 | ret = get_errno(fsync(arg1)); | |
7056 | break; | |
31e31b8a | 7057 | case TARGET_NR_clone: |
4ce6243d PM |
7058 | /* Linux manages to have three different orderings for its |
7059 | * arguments to clone(); the BACKWARDS and BACKWARDS2 defines | |
7060 | * match the kernel's CONFIG_CLONE_* settings. | |
7061 | * Microblaze is further special in that it uses a sixth | |
7062 | * implicit argument to clone for the TLS pointer. | |
7063 | */ | |
7064 | #if defined(TARGET_MICROBLAZE) | |
a5b3bdcb | 7065 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg4, arg6, arg5)); |
4ce6243d PM |
7066 | #elif defined(TARGET_CLONE_BACKWARDS) |
7067 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5)); | |
7068 | #elif defined(TARGET_CLONE_BACKWARDS2) | |
a4c075f1 | 7069 | ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg5, arg4)); |
0b6d3ae0 | 7070 | #else |
4ce6243d | 7071 | ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4)); |
0b6d3ae0 | 7072 | #endif |
1b6b029e | 7073 | break; |
ec86b0fb FB |
7074 | #ifdef __NR_exit_group |
7075 | /* new thread calls */ | |
7076 | case TARGET_NR_exit_group: | |
9788c9ca | 7077 | #ifdef TARGET_GPROF |
6d946cda AJ |
7078 | _mcleanup(); |
7079 | #endif | |
e9009676 | 7080 | gdb_exit(cpu_env, arg1); |
ec86b0fb FB |
7081 | ret = get_errno(exit_group(arg1)); |
7082 | break; | |
7083 | #endif | |
31e31b8a | 7084 | case TARGET_NR_setdomainname: |
579a97f7 FB |
7085 | if (!(p = lock_user_string(arg1))) |
7086 | goto efault; | |
53a5960a PB |
7087 | ret = get_errno(setdomainname(p, arg2)); |
7088 | unlock_user(p, arg1, 0); | |
31e31b8a FB |
7089 | break; |
7090 | case TARGET_NR_uname: | |
7091 | /* no need to transcode because we use the linux syscall */ | |
29e619b1 FB |
7092 | { |
7093 | struct new_utsname * buf; | |
3b46e624 | 7094 | |
579a97f7 FB |
7095 | if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0)) |
7096 | goto efault; | |
29e619b1 FB |
7097 | ret = get_errno(sys_uname(buf)); |
7098 | if (!is_error(ret)) { | |
7099 | /* Overrite the native machine name with whatever is being | |
7100 | emulated. */ | |
da79030f | 7101 | strcpy (buf->machine, cpu_to_uname_machine(cpu_env)); |
c5937220 PB |
7102 | /* Allow the user to override the reported release. */ |
7103 | if (qemu_uname_release && *qemu_uname_release) | |
7104 | strcpy (buf->release, qemu_uname_release); | |
29e619b1 | 7105 | } |
53a5960a | 7106 | unlock_user_struct(buf, arg1, 1); |
29e619b1 | 7107 | } |
31e31b8a | 7108 | break; |
6dbad63e | 7109 | #ifdef TARGET_I386 |
31e31b8a | 7110 | case TARGET_NR_modify_ldt: |
03acab66 | 7111 | ret = do_modify_ldt(cpu_env, arg1, arg2, arg3); |
5cd4393b | 7112 | break; |
84409ddb | 7113 | #if !defined(TARGET_X86_64) |
5cd4393b FB |
7114 | case TARGET_NR_vm86old: |
7115 | goto unimplemented; | |
7116 | case TARGET_NR_vm86: | |
53a5960a | 7117 | ret = do_vm86(cpu_env, arg1, arg2); |
6dbad63e | 7118 | break; |
84409ddb | 7119 | #endif |
6dbad63e | 7120 | #endif |
31e31b8a FB |
7121 | case TARGET_NR_adjtimex: |
7122 | goto unimplemented; | |
e5febef5 | 7123 | #ifdef TARGET_NR_create_module |
31e31b8a | 7124 | case TARGET_NR_create_module: |
e5febef5 | 7125 | #endif |
31e31b8a FB |
7126 | case TARGET_NR_init_module: |
7127 | case TARGET_NR_delete_module: | |
e5febef5 | 7128 | #ifdef TARGET_NR_get_kernel_syms |
31e31b8a | 7129 | case TARGET_NR_get_kernel_syms: |
e5febef5 | 7130 | #endif |
31e31b8a FB |
7131 | goto unimplemented; |
7132 | case TARGET_NR_quotactl: | |
7133 | goto unimplemented; | |
7134 | case TARGET_NR_getpgid: | |
7135 | ret = get_errno(getpgid(arg1)); | |
7136 | break; | |
7137 | case TARGET_NR_fchdir: | |
7138 | ret = get_errno(fchdir(arg1)); | |
7139 | break; | |
84409ddb | 7140 | #ifdef TARGET_NR_bdflush /* not on x86_64 */ |
31e31b8a FB |
7141 | case TARGET_NR_bdflush: |
7142 | goto unimplemented; | |
84409ddb | 7143 | #endif |
e5febef5 | 7144 | #ifdef TARGET_NR_sysfs |
31e31b8a FB |
7145 | case TARGET_NR_sysfs: |
7146 | goto unimplemented; | |
e5febef5 | 7147 | #endif |
31e31b8a | 7148 | case TARGET_NR_personality: |
1b6b029e | 7149 | ret = get_errno(personality(arg1)); |
31e31b8a | 7150 | break; |
e5febef5 | 7151 | #ifdef TARGET_NR_afs_syscall |
31e31b8a FB |
7152 | case TARGET_NR_afs_syscall: |
7153 | goto unimplemented; | |
e5febef5 | 7154 | #endif |
7a3148a9 | 7155 | #ifdef TARGET_NR__llseek /* Not on alpha */ |
31e31b8a FB |
7156 | case TARGET_NR__llseek: |
7157 | { | |
0c1592d9 | 7158 | int64_t res; |
d35b261c | 7159 | #if !defined(__NR_llseek) |
0c1592d9 PM |
7160 | res = lseek(arg1, ((uint64_t)arg2 << 32) | arg3, arg5); |
7161 | if (res == -1) { | |
7162 | ret = get_errno(res); | |
7163 | } else { | |
7164 | ret = 0; | |
7165 | } | |
4f2ac237 | 7166 | #else |
31e31b8a | 7167 | ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5)); |
4f2ac237 | 7168 | #endif |
0c1592d9 PM |
7169 | if ((ret == 0) && put_user_s64(res, arg4)) { |
7170 | goto efault; | |
7171 | } | |
31e31b8a FB |
7172 | } |
7173 | break; | |
7a3148a9 | 7174 | #endif |
31e31b8a | 7175 | case TARGET_NR_getdents: |
3307e236 | 7176 | #ifdef __NR_getdents |
d83c8733 | 7177 | #if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64 |
4add45b4 | 7178 | { |
53a5960a | 7179 | struct target_dirent *target_dirp; |
6556a833 | 7180 | struct linux_dirent *dirp; |
992f48a0 | 7181 | abi_long count = arg3; |
4add45b4 FB |
7182 | |
7183 | dirp = malloc(count); | |
0da46a6e | 7184 | if (!dirp) { |
579a97f7 | 7185 | ret = -TARGET_ENOMEM; |
0da46a6e TS |
7186 | goto fail; |
7187 | } | |
3b46e624 | 7188 | |
4add45b4 FB |
7189 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
7190 | if (!is_error(ret)) { | |
6556a833 | 7191 | struct linux_dirent *de; |
4add45b4 FB |
7192 | struct target_dirent *tde; |
7193 | int len = ret; | |
7194 | int reclen, treclen; | |
7195 | int count1, tnamelen; | |
7196 | ||
7197 | count1 = 0; | |
7198 | de = dirp; | |
579a97f7 FB |
7199 | if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7200 | goto efault; | |
4add45b4 FB |
7201 | tde = target_dirp; |
7202 | while (len > 0) { | |
7203 | reclen = de->d_reclen; | |
333858b7 DL |
7204 | tnamelen = reclen - offsetof(struct linux_dirent, d_name); |
7205 | assert(tnamelen >= 0); | |
7206 | treclen = tnamelen + offsetof(struct target_dirent, d_name); | |
7207 | assert(count1 + treclen <= count); | |
4add45b4 | 7208 | tde->d_reclen = tswap16(treclen); |
cbb21eed MB |
7209 | tde->d_ino = tswapal(de->d_ino); |
7210 | tde->d_off = tswapal(de->d_off); | |
333858b7 | 7211 | memcpy(tde->d_name, de->d_name, tnamelen); |
6556a833 | 7212 | de = (struct linux_dirent *)((char *)de + reclen); |
4add45b4 | 7213 | len -= reclen; |
1c5bf3bf | 7214 | tde = (struct target_dirent *)((char *)tde + treclen); |
4add45b4 FB |
7215 | count1 += treclen; |
7216 | } | |
7217 | ret = count1; | |
579a97f7 | 7218 | unlock_user(target_dirp, arg2, ret); |
4add45b4 FB |
7219 | } |
7220 | free(dirp); | |
7221 | } | |
7222 | #else | |
31e31b8a | 7223 | { |
6556a833 | 7224 | struct linux_dirent *dirp; |
992f48a0 | 7225 | abi_long count = arg3; |
dab2ed99 | 7226 | |
579a97f7 FB |
7227 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7228 | goto efault; | |
72f03900 | 7229 | ret = get_errno(sys_getdents(arg1, dirp, count)); |
31e31b8a | 7230 | if (!is_error(ret)) { |
6556a833 | 7231 | struct linux_dirent *de; |
31e31b8a FB |
7232 | int len = ret; |
7233 | int reclen; | |
7234 | de = dirp; | |
7235 | while (len > 0) { | |
8083a3e5 | 7236 | reclen = de->d_reclen; |
31e31b8a FB |
7237 | if (reclen > len) |
7238 | break; | |
8083a3e5 | 7239 | de->d_reclen = tswap16(reclen); |
31e31b8a FB |
7240 | tswapls(&de->d_ino); |
7241 | tswapls(&de->d_off); | |
6556a833 | 7242 | de = (struct linux_dirent *)((char *)de + reclen); |
31e31b8a FB |
7243 | len -= reclen; |
7244 | } | |
7245 | } | |
53a5960a | 7246 | unlock_user(dirp, arg2, ret); |
3307e236 PM |
7247 | } |
7248 | #endif | |
7249 | #else | |
7250 | /* Implement getdents in terms of getdents64 */ | |
7251 | { | |
7252 | struct linux_dirent64 *dirp; | |
7253 | abi_long count = arg3; | |
7254 | ||
7255 | dirp = lock_user(VERIFY_WRITE, arg2, count, 0); | |
7256 | if (!dirp) { | |
7257 | goto efault; | |
7258 | } | |
7259 | ret = get_errno(sys_getdents64(arg1, dirp, count)); | |
7260 | if (!is_error(ret)) { | |
7261 | /* Convert the dirent64 structs to target dirent. We do this | |
7262 | * in-place, since we can guarantee that a target_dirent is no | |
7263 | * larger than a dirent64; however this means we have to be | |
7264 | * careful to read everything before writing in the new format. | |
7265 | */ | |
7266 | struct linux_dirent64 *de; | |
7267 | struct target_dirent *tde; | |
7268 | int len = ret; | |
7269 | int tlen = 0; | |
7270 | ||
7271 | de = dirp; | |
7272 | tde = (struct target_dirent *)dirp; | |
7273 | while (len > 0) { | |
7274 | int namelen, treclen; | |
7275 | int reclen = de->d_reclen; | |
7276 | uint64_t ino = de->d_ino; | |
7277 | int64_t off = de->d_off; | |
7278 | uint8_t type = de->d_type; | |
7279 | ||
7280 | namelen = strlen(de->d_name); | |
7281 | treclen = offsetof(struct target_dirent, d_name) | |
7282 | + namelen + 2; | |
7283 | treclen = QEMU_ALIGN_UP(treclen, sizeof(abi_long)); | |
7284 | ||
7285 | memmove(tde->d_name, de->d_name, namelen + 1); | |
7286 | tde->d_ino = tswapal(ino); | |
7287 | tde->d_off = tswapal(off); | |
7288 | tde->d_reclen = tswap16(treclen); | |
7289 | /* The target_dirent type is in what was formerly a padding | |
7290 | * byte at the end of the structure: | |
7291 | */ | |
7292 | *(((char *)tde) + treclen - 1) = type; | |
7293 | ||
7294 | de = (struct linux_dirent64 *)((char *)de + reclen); | |
7295 | tde = (struct target_dirent *)((char *)tde + treclen); | |
7296 | len -= reclen; | |
7297 | tlen += treclen; | |
7298 | } | |
7299 | ret = tlen; | |
7300 | } | |
7301 | unlock_user(dirp, arg2, ret); | |
31e31b8a | 7302 | } |
4add45b4 | 7303 | #endif |
31e31b8a | 7304 | break; |
3ae43202 | 7305 | #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64) |
dab2ed99 FB |
7306 | case TARGET_NR_getdents64: |
7307 | { | |
6556a833 | 7308 | struct linux_dirent64 *dirp; |
992f48a0 | 7309 | abi_long count = arg3; |
579a97f7 FB |
7310 | if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0))) |
7311 | goto efault; | |
dab2ed99 FB |
7312 | ret = get_errno(sys_getdents64(arg1, dirp, count)); |
7313 | if (!is_error(ret)) { | |
6556a833 | 7314 | struct linux_dirent64 *de; |
dab2ed99 FB |
7315 | int len = ret; |
7316 | int reclen; | |
7317 | de = dirp; | |
7318 | while (len > 0) { | |
8083a3e5 | 7319 | reclen = de->d_reclen; |
dab2ed99 FB |
7320 | if (reclen > len) |
7321 | break; | |
8083a3e5 | 7322 | de->d_reclen = tswap16(reclen); |
8582a53a FB |
7323 | tswap64s((uint64_t *)&de->d_ino); |
7324 | tswap64s((uint64_t *)&de->d_off); | |
6556a833 | 7325 | de = (struct linux_dirent64 *)((char *)de + reclen); |
dab2ed99 FB |
7326 | len -= reclen; |
7327 | } | |
7328 | } | |
53a5960a | 7329 | unlock_user(dirp, arg2, ret); |
dab2ed99 FB |
7330 | } |
7331 | break; | |
a541f297 | 7332 | #endif /* TARGET_NR_getdents64 */ |
9468a5d4 | 7333 | #if defined(TARGET_NR__newselect) |
31e31b8a | 7334 | case TARGET_NR__newselect: |
53a5960a | 7335 | ret = do_select(arg1, arg2, arg3, arg4, arg5); |
31e31b8a | 7336 | break; |
e5febef5 | 7337 | #endif |
d8035d4c MF |
7338 | #if defined(TARGET_NR_poll) || defined(TARGET_NR_ppoll) |
7339 | # ifdef TARGET_NR_poll | |
9de5e440 | 7340 | case TARGET_NR_poll: |
d8035d4c MF |
7341 | # endif |
7342 | # ifdef TARGET_NR_ppoll | |
7343 | case TARGET_NR_ppoll: | |
7344 | # endif | |
9de5e440 | 7345 | { |
53a5960a | 7346 | struct target_pollfd *target_pfd; |
9de5e440 FB |
7347 | unsigned int nfds = arg2; |
7348 | int timeout = arg3; | |
7349 | struct pollfd *pfd; | |
7854b056 | 7350 | unsigned int i; |
9de5e440 | 7351 | |
579a97f7 FB |
7352 | target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1); |
7353 | if (!target_pfd) | |
7354 | goto efault; | |
d8035d4c | 7355 | |
9de5e440 FB |
7356 | pfd = alloca(sizeof(struct pollfd) * nfds); |
7357 | for(i = 0; i < nfds; i++) { | |
5cd4393b FB |
7358 | pfd[i].fd = tswap32(target_pfd[i].fd); |
7359 | pfd[i].events = tswap16(target_pfd[i].events); | |
9de5e440 | 7360 | } |
d8035d4c MF |
7361 | |
7362 | # ifdef TARGET_NR_ppoll | |
7363 | if (num == TARGET_NR_ppoll) { | |
7364 | struct timespec _timeout_ts, *timeout_ts = &_timeout_ts; | |
7365 | target_sigset_t *target_set; | |
7366 | sigset_t _set, *set = &_set; | |
7367 | ||
7368 | if (arg3) { | |
7369 | if (target_to_host_timespec(timeout_ts, arg3)) { | |
7370 | unlock_user(target_pfd, arg1, 0); | |
7371 | goto efault; | |
7372 | } | |
7373 | } else { | |
7374 | timeout_ts = NULL; | |
7375 | } | |
7376 | ||
7377 | if (arg4) { | |
7378 | target_set = lock_user(VERIFY_READ, arg4, sizeof(target_sigset_t), 1); | |
7379 | if (!target_set) { | |
7380 | unlock_user(target_pfd, arg1, 0); | |
7381 | goto efault; | |
7382 | } | |
7383 | target_to_host_sigset(set, target_set); | |
7384 | } else { | |
7385 | set = NULL; | |
7386 | } | |
7387 | ||
7388 | ret = get_errno(sys_ppoll(pfd, nfds, timeout_ts, set, _NSIG/8)); | |
7389 | ||
7390 | if (!is_error(ret) && arg3) { | |
7391 | host_to_target_timespec(arg3, timeout_ts); | |
7392 | } | |
7393 | if (arg4) { | |
7394 | unlock_user(target_set, arg4, 0); | |
7395 | } | |
7396 | } else | |
7397 | # endif | |
7398 | ret = get_errno(poll(pfd, nfds, timeout)); | |
7399 | ||
9de5e440 FB |
7400 | if (!is_error(ret)) { |
7401 | for(i = 0; i < nfds; i++) { | |
5cd4393b | 7402 | target_pfd[i].revents = tswap16(pfd[i].revents); |
9de5e440 FB |
7403 | } |
7404 | } | |
30cb4cde | 7405 | unlock_user(target_pfd, arg1, sizeof(struct target_pollfd) * nfds); |
9de5e440 FB |
7406 | } |
7407 | break; | |
e5febef5 | 7408 | #endif |
31e31b8a | 7409 | case TARGET_NR_flock: |
9de5e440 FB |
7410 | /* NOTE: the flock constant seems to be the same for every |
7411 | Linux platform */ | |
7412 | ret = get_errno(flock(arg1, arg2)); | |
31e31b8a FB |
7413 | break; |
7414 | case TARGET_NR_readv: | |
7415 | { | |
f287b2c2 RH |
7416 | struct iovec *vec = lock_iovec(VERIFY_WRITE, arg2, arg3, 0); |
7417 | if (vec != NULL) { | |
7418 | ret = get_errno(readv(arg1, vec, arg3)); | |
7419 | unlock_iovec(vec, arg2, arg3, 1); | |
7420 | } else { | |
7421 | ret = -host_to_target_errno(errno); | |
7422 | } | |
31e31b8a FB |
7423 | } |
7424 | break; | |
7425 | case TARGET_NR_writev: | |
7426 | { | |
f287b2c2 RH |
7427 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
7428 | if (vec != NULL) { | |
7429 | ret = get_errno(writev(arg1, vec, arg3)); | |
7430 | unlock_iovec(vec, arg2, arg3, 0); | |
7431 | } else { | |
7432 | ret = -host_to_target_errno(errno); | |
7433 | } | |
31e31b8a FB |
7434 | } |
7435 | break; | |
7436 | case TARGET_NR_getsid: | |
7437 | ret = get_errno(getsid(arg1)); | |
7438 | break; | |
7a3148a9 | 7439 | #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */ |
31e31b8a | 7440 | case TARGET_NR_fdatasync: |
5cd4393b FB |
7441 | ret = get_errno(fdatasync(arg1)); |
7442 | break; | |
7a3148a9 | 7443 | #endif |
31e31b8a | 7444 | case TARGET_NR__sysctl: |
0da46a6e | 7445 | /* We don't implement this, but ENOTDIR is always a safe |
29e619b1 | 7446 | return value. */ |
0da46a6e TS |
7447 | ret = -TARGET_ENOTDIR; |
7448 | break; | |
737de1d1 MF |
7449 | case TARGET_NR_sched_getaffinity: |
7450 | { | |
7451 | unsigned int mask_size; | |
7452 | unsigned long *mask; | |
7453 | ||
7454 | /* | |
7455 | * sched_getaffinity needs multiples of ulong, so need to take | |
7456 | * care of mismatches between target ulong and host ulong sizes. | |
7457 | */ | |
7458 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
7459 | ret = -TARGET_EINVAL; | |
7460 | break; | |
7461 | } | |
7462 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
7463 | ||
7464 | mask = alloca(mask_size); | |
7465 | ret = get_errno(sys_sched_getaffinity(arg1, mask_size, mask)); | |
7466 | ||
7467 | if (!is_error(ret)) { | |
cd18f05e | 7468 | if (copy_to_user(arg3, mask, ret)) { |
737de1d1 MF |
7469 | goto efault; |
7470 | } | |
737de1d1 MF |
7471 | } |
7472 | } | |
7473 | break; | |
7474 | case TARGET_NR_sched_setaffinity: | |
7475 | { | |
7476 | unsigned int mask_size; | |
7477 | unsigned long *mask; | |
7478 | ||
7479 | /* | |
7480 | * sched_setaffinity needs multiples of ulong, so need to take | |
7481 | * care of mismatches between target ulong and host ulong sizes. | |
7482 | */ | |
7483 | if (arg2 & (sizeof(abi_ulong) - 1)) { | |
7484 | ret = -TARGET_EINVAL; | |
7485 | break; | |
7486 | } | |
7487 | mask_size = (arg2 + (sizeof(*mask) - 1)) & ~(sizeof(*mask) - 1); | |
7488 | ||
7489 | mask = alloca(mask_size); | |
7490 | if (!lock_user_struct(VERIFY_READ, p, arg3, 1)) { | |
7491 | goto efault; | |
7492 | } | |
7493 | memcpy(mask, p, arg2); | |
7494 | unlock_user_struct(p, arg2, 0); | |
7495 | ||
7496 | ret = get_errno(sys_sched_setaffinity(arg1, mask_size, mask)); | |
7497 | } | |
7498 | break; | |
31e31b8a | 7499 | case TARGET_NR_sched_setparam: |
5cd4393b | 7500 | { |
53a5960a | 7501 | struct sched_param *target_schp; |
5cd4393b | 7502 | struct sched_param schp; |
53a5960a | 7503 | |
579a97f7 FB |
7504 | if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1)) |
7505 | goto efault; | |
5cd4393b | 7506 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 7507 | unlock_user_struct(target_schp, arg2, 0); |
5cd4393b FB |
7508 | ret = get_errno(sched_setparam(arg1, &schp)); |
7509 | } | |
7510 | break; | |
31e31b8a | 7511 | case TARGET_NR_sched_getparam: |
5cd4393b | 7512 | { |
53a5960a | 7513 | struct sched_param *target_schp; |
5cd4393b FB |
7514 | struct sched_param schp; |
7515 | ret = get_errno(sched_getparam(arg1, &schp)); | |
7516 | if (!is_error(ret)) { | |
579a97f7 FB |
7517 | if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0)) |
7518 | goto efault; | |
5cd4393b | 7519 | target_schp->sched_priority = tswap32(schp.sched_priority); |
53a5960a | 7520 | unlock_user_struct(target_schp, arg2, 1); |
5cd4393b FB |
7521 | } |
7522 | } | |
7523 | break; | |
31e31b8a | 7524 | case TARGET_NR_sched_setscheduler: |
5cd4393b | 7525 | { |
53a5960a | 7526 | struct sched_param *target_schp; |
5cd4393b | 7527 | struct sched_param schp; |
579a97f7 FB |
7528 | if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1)) |
7529 | goto efault; | |
5cd4393b | 7530 | schp.sched_priority = tswap32(target_schp->sched_priority); |
53a5960a | 7531 | unlock_user_struct(target_schp, arg3, 0); |
5cd4393b FB |
7532 | ret = get_errno(sched_setscheduler(arg1, arg2, &schp)); |
7533 | } | |
7534 | break; | |
31e31b8a | 7535 | case TARGET_NR_sched_getscheduler: |
5cd4393b FB |
7536 | ret = get_errno(sched_getscheduler(arg1)); |
7537 | break; | |
31e31b8a FB |
7538 | case TARGET_NR_sched_yield: |
7539 | ret = get_errno(sched_yield()); | |
7540 | break; | |
7541 | case TARGET_NR_sched_get_priority_max: | |
5cd4393b FB |
7542 | ret = get_errno(sched_get_priority_max(arg1)); |
7543 | break; | |
31e31b8a | 7544 | case TARGET_NR_sched_get_priority_min: |
5cd4393b FB |
7545 | ret = get_errno(sched_get_priority_min(arg1)); |
7546 | break; | |
31e31b8a | 7547 | case TARGET_NR_sched_rr_get_interval: |
5cd4393b | 7548 | { |
5cd4393b FB |
7549 | struct timespec ts; |
7550 | ret = get_errno(sched_rr_get_interval(arg1, &ts)); | |
7551 | if (!is_error(ret)) { | |
53a5960a | 7552 | host_to_target_timespec(arg2, &ts); |
5cd4393b FB |
7553 | } |
7554 | } | |
7555 | break; | |
31e31b8a | 7556 | case TARGET_NR_nanosleep: |
1b6b029e | 7557 | { |
1b6b029e | 7558 | struct timespec req, rem; |
53a5960a | 7559 | target_to_host_timespec(&req, arg1); |
1b6b029e | 7560 | ret = get_errno(nanosleep(&req, &rem)); |
53a5960a PB |
7561 | if (is_error(ret) && arg2) { |
7562 | host_to_target_timespec(arg2, &rem); | |
1b6b029e FB |
7563 | } |
7564 | } | |
7565 | break; | |
e5febef5 | 7566 | #ifdef TARGET_NR_query_module |
31e31b8a | 7567 | case TARGET_NR_query_module: |
5cd4393b | 7568 | goto unimplemented; |
e5febef5 TS |
7569 | #endif |
7570 | #ifdef TARGET_NR_nfsservctl | |
31e31b8a | 7571 | case TARGET_NR_nfsservctl: |
5cd4393b | 7572 | goto unimplemented; |
e5febef5 | 7573 | #endif |
31e31b8a | 7574 | case TARGET_NR_prctl: |
1e6722f8 PM |
7575 | switch (arg1) { |
7576 | case PR_GET_PDEATHSIG: | |
7577 | { | |
7578 | int deathsig; | |
7579 | ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5)); | |
7580 | if (!is_error(ret) && arg2 | |
7581 | && put_user_ual(deathsig, arg2)) { | |
7582 | goto efault; | |
e5574487 | 7583 | } |
1e6722f8 PM |
7584 | break; |
7585 | } | |
db9526b1 PM |
7586 | #ifdef PR_GET_NAME |
7587 | case PR_GET_NAME: | |
7588 | { | |
7589 | void *name = lock_user(VERIFY_WRITE, arg2, 16, 1); | |
7590 | if (!name) { | |
7591 | goto efault; | |
7592 | } | |
7593 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
7594 | arg3, arg4, arg5)); | |
7595 | unlock_user(name, arg2, 16); | |
7596 | break; | |
7597 | } | |
7598 | case PR_SET_NAME: | |
7599 | { | |
7600 | void *name = lock_user(VERIFY_READ, arg2, 16, 1); | |
7601 | if (!name) { | |
7602 | goto efault; | |
7603 | } | |
7604 | ret = get_errno(prctl(arg1, (unsigned long)name, | |
7605 | arg3, arg4, arg5)); | |
7606 | unlock_user(name, arg2, 0); | |
7607 | break; | |
7608 | } | |
7609 | #endif | |
1e6722f8 PM |
7610 | default: |
7611 | /* Most prctl options have no pointer arguments */ | |
7612 | ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5)); | |
7613 | break; | |
7614 | } | |
39b9aae1 | 7615 | break; |
d2fd1af7 FB |
7616 | #ifdef TARGET_NR_arch_prctl |
7617 | case TARGET_NR_arch_prctl: | |
7618 | #if defined(TARGET_I386) && !defined(TARGET_ABI32) | |
7619 | ret = do_arch_prctl(cpu_env, arg1, arg2); | |
7620 | break; | |
7621 | #else | |
7622 | goto unimplemented; | |
7623 | #endif | |
7624 | #endif | |
f2c7ba15 AJ |
7625 | #ifdef TARGET_NR_pread64 |
7626 | case TARGET_NR_pread64: | |
ae017a5b AG |
7627 | if (regpairs_aligned(cpu_env)) { |
7628 | arg4 = arg5; | |
7629 | arg5 = arg6; | |
7630 | } | |
f2c7ba15 AJ |
7631 | if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0))) |
7632 | goto efault; | |
7633 | ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5))); | |
7634 | unlock_user(p, arg2, ret); | |
7635 | break; | |
7636 | case TARGET_NR_pwrite64: | |
ae017a5b AG |
7637 | if (regpairs_aligned(cpu_env)) { |
7638 | arg4 = arg5; | |
7639 | arg5 = arg6; | |
7640 | } | |
f2c7ba15 AJ |
7641 | if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1))) |
7642 | goto efault; | |
7643 | ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5))); | |
7644 | unlock_user(p, arg2, 0); | |
7645 | break; | |
67867308 | 7646 | #endif |
31e31b8a | 7647 | case TARGET_NR_getcwd: |
579a97f7 FB |
7648 | if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0))) |
7649 | goto efault; | |
53a5960a PB |
7650 | ret = get_errno(sys_getcwd1(p, arg2)); |
7651 | unlock_user(p, arg1, ret); | |
31e31b8a FB |
7652 | break; |
7653 | case TARGET_NR_capget: | |
5cd4393b | 7654 | goto unimplemented; |
31e31b8a | 7655 | case TARGET_NR_capset: |
5cd4393b | 7656 | goto unimplemented; |
31e31b8a | 7657 | case TARGET_NR_sigaltstack: |
198a74de | 7658 | #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \ |
c761c154 | 7659 | defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \ |
d962783e | 7660 | defined(TARGET_M68K) || defined(TARGET_S390X) || defined(TARGET_OPENRISC) |
9349b4f9 | 7661 | ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUArchState *)cpu_env)); |
a04e134a TS |
7662 | break; |
7663 | #else | |
5cd4393b | 7664 | goto unimplemented; |
a04e134a | 7665 | #endif |
a8fd1aba PM |
7666 | |
7667 | #ifdef CONFIG_SENDFILE | |
7668 | case TARGET_NR_sendfile: | |
7669 | { | |
7670 | off_t *offp = NULL; | |
7671 | off_t off; | |
7672 | if (arg3) { | |
7673 | ret = get_user_sal(off, arg3); | |
7674 | if (is_error(ret)) { | |
7675 | break; | |
7676 | } | |
7677 | offp = &off; | |
7678 | } | |
7679 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
7680 | if (!is_error(ret) && arg3) { | |
7681 | abi_long ret2 = put_user_sal(off, arg3); | |
7682 | if (is_error(ret2)) { | |
7683 | ret = ret2; | |
7684 | } | |
7685 | } | |
7686 | break; | |
7687 | } | |
7688 | #ifdef TARGET_NR_sendfile64 | |
7689 | case TARGET_NR_sendfile64: | |
7690 | { | |
7691 | off_t *offp = NULL; | |
7692 | off_t off; | |
7693 | if (arg3) { | |
7694 | ret = get_user_s64(off, arg3); | |
7695 | if (is_error(ret)) { | |
7696 | break; | |
7697 | } | |
7698 | offp = &off; | |
7699 | } | |
7700 | ret = get_errno(sendfile(arg1, arg2, offp, arg4)); | |
7701 | if (!is_error(ret) && arg3) { | |
7702 | abi_long ret2 = put_user_s64(off, arg3); | |
7703 | if (is_error(ret2)) { | |
7704 | ret = ret2; | |
7705 | } | |
7706 | } | |
7707 | break; | |
7708 | } | |
7709 | #endif | |
7710 | #else | |
31e31b8a | 7711 | case TARGET_NR_sendfile: |
7edd2cf1 | 7712 | #ifdef TARGET_NR_sendfile64 |
a8fd1aba PM |
7713 | case TARGET_NR_sendfile64: |
7714 | #endif | |
5cd4393b | 7715 | goto unimplemented; |
a8fd1aba PM |
7716 | #endif |
7717 | ||
ebc05488 | 7718 | #ifdef TARGET_NR_getpmsg |
31e31b8a | 7719 | case TARGET_NR_getpmsg: |
5cd4393b | 7720 | goto unimplemented; |
ebc05488 FB |
7721 | #endif |
7722 | #ifdef TARGET_NR_putpmsg | |
31e31b8a | 7723 | case TARGET_NR_putpmsg: |
5cd4393b | 7724 | goto unimplemented; |
ebc05488 | 7725 | #endif |
048f6b4d | 7726 | #ifdef TARGET_NR_vfork |
31e31b8a | 7727 | case TARGET_NR_vfork: |
d865bab5 PB |
7728 | ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, |
7729 | 0, 0, 0, 0)); | |
31e31b8a | 7730 | break; |
048f6b4d | 7731 | #endif |
ebc05488 | 7732 | #ifdef TARGET_NR_ugetrlimit |
31e31b8a | 7733 | case TARGET_NR_ugetrlimit: |
728584be FB |
7734 | { |
7735 | struct rlimit rlim; | |
e22b7015 WT |
7736 | int resource = target_to_host_resource(arg1); |
7737 | ret = get_errno(getrlimit(resource, &rlim)); | |
728584be | 7738 | if (!is_error(ret)) { |
53a5960a | 7739 | struct target_rlimit *target_rlim; |
579a97f7 FB |
7740 | if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0)) |
7741 | goto efault; | |
81bbe906 TY |
7742 | target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur); |
7743 | target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max); | |
53a5960a | 7744 | unlock_user_struct(target_rlim, arg2, 1); |
728584be FB |
7745 | } |
7746 | break; | |
7747 | } | |
ebc05488 | 7748 | #endif |
a315a145 | 7749 | #ifdef TARGET_NR_truncate64 |
31e31b8a | 7750 | case TARGET_NR_truncate64: |
579a97f7 FB |
7751 | if (!(p = lock_user_string(arg1))) |
7752 | goto efault; | |
53a5960a PB |
7753 | ret = target_truncate64(cpu_env, p, arg2, arg3, arg4); |
7754 | unlock_user(p, arg1, 0); | |
667f38b1 | 7755 | break; |
a315a145 FB |
7756 | #endif |
7757 | #ifdef TARGET_NR_ftruncate64 | |
31e31b8a | 7758 | case TARGET_NR_ftruncate64: |
ce4defa0 | 7759 | ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4); |
667f38b1 | 7760 | break; |
a315a145 FB |
7761 | #endif |
7762 | #ifdef TARGET_NR_stat64 | |
31e31b8a | 7763 | case TARGET_NR_stat64: |
579a97f7 FB |
7764 | if (!(p = lock_user_string(arg1))) |
7765 | goto efault; | |
53a5960a PB |
7766 | ret = get_errno(stat(path(p), &st)); |
7767 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
7768 | if (!is_error(ret)) |
7769 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
7770 | break; | |
a315a145 FB |
7771 | #endif |
7772 | #ifdef TARGET_NR_lstat64 | |
31e31b8a | 7773 | case TARGET_NR_lstat64: |
579a97f7 FB |
7774 | if (!(p = lock_user_string(arg1))) |
7775 | goto efault; | |
53a5960a PB |
7776 | ret = get_errno(lstat(path(p), &st)); |
7777 | unlock_user(p, arg1, 0); | |
6a24a778 AZ |
7778 | if (!is_error(ret)) |
7779 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
7780 | break; | |
a315a145 FB |
7781 | #endif |
7782 | #ifdef TARGET_NR_fstat64 | |
31e31b8a | 7783 | case TARGET_NR_fstat64: |
6a24a778 AZ |
7784 | ret = get_errno(fstat(arg1, &st)); |
7785 | if (!is_error(ret)) | |
7786 | ret = host_to_target_stat64(cpu_env, arg2, &st); | |
7787 | break; | |
ce4defa0 | 7788 | #endif |
c0d472b1 | 7789 | #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) |
9d33b76b | 7790 | #ifdef TARGET_NR_fstatat64 |
6a24a778 | 7791 | case TARGET_NR_fstatat64: |
9d33b76b AJ |
7792 | #endif |
7793 | #ifdef TARGET_NR_newfstatat | |
7794 | case TARGET_NR_newfstatat: | |
7795 | #endif | |
6a24a778 AZ |
7796 | if (!(p = lock_user_string(arg2))) |
7797 | goto efault; | |
c0d472b1 | 7798 | ret = get_errno(fstatat(arg1, path(p), &st, arg4)); |
6a24a778 AZ |
7799 | if (!is_error(ret)) |
7800 | ret = host_to_target_stat64(cpu_env, arg3, &st); | |
60cd49d5 | 7801 | break; |
a315a145 | 7802 | #endif |
67867308 | 7803 | case TARGET_NR_lchown: |
579a97f7 FB |
7804 | if (!(p = lock_user_string(arg1))) |
7805 | goto efault; | |
53a5960a PB |
7806 | ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3))); |
7807 | unlock_user(p, arg1, 0); | |
67867308 | 7808 | break; |
0c866a7e | 7809 | #ifdef TARGET_NR_getuid |
67867308 FB |
7810 | case TARGET_NR_getuid: |
7811 | ret = get_errno(high2lowuid(getuid())); | |
7812 | break; | |
0c866a7e RV |
7813 | #endif |
7814 | #ifdef TARGET_NR_getgid | |
67867308 FB |
7815 | case TARGET_NR_getgid: |
7816 | ret = get_errno(high2lowgid(getgid())); | |
7817 | break; | |
0c866a7e RV |
7818 | #endif |
7819 | #ifdef TARGET_NR_geteuid | |
67867308 FB |
7820 | case TARGET_NR_geteuid: |
7821 | ret = get_errno(high2lowuid(geteuid())); | |
7822 | break; | |
0c866a7e RV |
7823 | #endif |
7824 | #ifdef TARGET_NR_getegid | |
67867308 FB |
7825 | case TARGET_NR_getegid: |
7826 | ret = get_errno(high2lowgid(getegid())); | |
7827 | break; | |
0c866a7e | 7828 | #endif |
67867308 FB |
7829 | case TARGET_NR_setreuid: |
7830 | ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2))); | |
7831 | break; | |
7832 | case TARGET_NR_setregid: | |
7833 | ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2))); | |
7834 | break; | |
7835 | case TARGET_NR_getgroups: | |
7836 | { | |
7837 | int gidsetsize = arg1; | |
0c866a7e | 7838 | target_id *target_grouplist; |
67867308 FB |
7839 | gid_t *grouplist; |
7840 | int i; | |
7841 | ||
7842 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
7843 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 AZ |
7844 | if (gidsetsize == 0) |
7845 | break; | |
67867308 | 7846 | if (!is_error(ret)) { |
03903ffc | 7847 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * sizeof(target_id), 0); |
579a97f7 FB |
7848 | if (!target_grouplist) |
7849 | goto efault; | |
a2155fcc | 7850 | for(i = 0;i < ret; i++) |
0c866a7e | 7851 | target_grouplist[i] = tswapid(high2lowgid(grouplist[i])); |
03903ffc | 7852 | unlock_user(target_grouplist, arg2, gidsetsize * sizeof(target_id)); |
67867308 FB |
7853 | } |
7854 | } | |
7855 | break; | |
7856 | case TARGET_NR_setgroups: | |
7857 | { | |
7858 | int gidsetsize = arg1; | |
0c866a7e | 7859 | target_id *target_grouplist; |
f2b79ce9 | 7860 | gid_t *grouplist = NULL; |
67867308 | 7861 | int i; |
f2b79ce9 DA |
7862 | if (gidsetsize) { |
7863 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
03903ffc | 7864 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * sizeof(target_id), 1); |
f2b79ce9 DA |
7865 | if (!target_grouplist) { |
7866 | ret = -TARGET_EFAULT; | |
7867 | goto fail; | |
7868 | } | |
7869 | for (i = 0; i < gidsetsize; i++) { | |
7870 | grouplist[i] = low2highgid(tswapid(target_grouplist[i])); | |
7871 | } | |
7872 | unlock_user(target_grouplist, arg2, 0); | |
579a97f7 | 7873 | } |
67867308 FB |
7874 | ret = get_errno(setgroups(gidsetsize, grouplist)); |
7875 | } | |
7876 | break; | |
7877 | case TARGET_NR_fchown: | |
7878 | ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3))); | |
7879 | break; | |
c0d472b1 | 7880 | #if defined(TARGET_NR_fchownat) |
ccfa72b7 | 7881 | case TARGET_NR_fchownat: |
579a97f7 FB |
7882 | if (!(p = lock_user_string(arg2))) |
7883 | goto efault; | |
c0d472b1 PM |
7884 | ret = get_errno(fchownat(arg1, p, low2highuid(arg3), |
7885 | low2highgid(arg4), arg5)); | |
579a97f7 | 7886 | unlock_user(p, arg2, 0); |
ccfa72b7 TS |
7887 | break; |
7888 | #endif | |
67867308 FB |
7889 | #ifdef TARGET_NR_setresuid |
7890 | case TARGET_NR_setresuid: | |
5fafdf24 TS |
7891 | ret = get_errno(setresuid(low2highuid(arg1), |
7892 | low2highuid(arg2), | |
67867308 FB |
7893 | low2highuid(arg3))); |
7894 | break; | |
7895 | #endif | |
7896 | #ifdef TARGET_NR_getresuid | |
7897 | case TARGET_NR_getresuid: | |
7898 | { | |
53a5960a | 7899 | uid_t ruid, euid, suid; |
67867308 FB |
7900 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
7901 | if (!is_error(ret)) { | |
2f619698 FB |
7902 | if (put_user_u16(high2lowuid(ruid), arg1) |
7903 | || put_user_u16(high2lowuid(euid), arg2) | |
7904 | || put_user_u16(high2lowuid(suid), arg3)) | |
7905 | goto efault; | |
67867308 FB |
7906 | } |
7907 | } | |
7908 | break; | |
7909 | #endif | |
7910 | #ifdef TARGET_NR_getresgid | |
7911 | case TARGET_NR_setresgid: | |
5fafdf24 TS |
7912 | ret = get_errno(setresgid(low2highgid(arg1), |
7913 | low2highgid(arg2), | |
67867308 FB |
7914 | low2highgid(arg3))); |
7915 | break; | |
7916 | #endif | |
7917 | #ifdef TARGET_NR_getresgid | |
7918 | case TARGET_NR_getresgid: | |
7919 | { | |
53a5960a | 7920 | gid_t rgid, egid, sgid; |
67867308 FB |
7921 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
7922 | if (!is_error(ret)) { | |
2f619698 FB |
7923 | if (put_user_u16(high2lowgid(rgid), arg1) |
7924 | || put_user_u16(high2lowgid(egid), arg2) | |
7925 | || put_user_u16(high2lowgid(sgid), arg3)) | |
7926 | goto efault; | |
67867308 FB |
7927 | } |
7928 | } | |
7929 | break; | |
7930 | #endif | |
7931 | case TARGET_NR_chown: | |
579a97f7 FB |
7932 | if (!(p = lock_user_string(arg1))) |
7933 | goto efault; | |
53a5960a PB |
7934 | ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3))); |
7935 | unlock_user(p, arg1, 0); | |
67867308 FB |
7936 | break; |
7937 | case TARGET_NR_setuid: | |
7938 | ret = get_errno(setuid(low2highuid(arg1))); | |
7939 | break; | |
7940 | case TARGET_NR_setgid: | |
7941 | ret = get_errno(setgid(low2highgid(arg1))); | |
7942 | break; | |
7943 | case TARGET_NR_setfsuid: | |
7944 | ret = get_errno(setfsuid(arg1)); | |
7945 | break; | |
7946 | case TARGET_NR_setfsgid: | |
7947 | ret = get_errno(setfsgid(arg1)); | |
7948 | break; | |
67867308 | 7949 | |
a315a145 | 7950 | #ifdef TARGET_NR_lchown32 |
31e31b8a | 7951 | case TARGET_NR_lchown32: |
579a97f7 FB |
7952 | if (!(p = lock_user_string(arg1))) |
7953 | goto efault; | |
53a5960a PB |
7954 | ret = get_errno(lchown(p, arg2, arg3)); |
7955 | unlock_user(p, arg1, 0); | |
b03c60f3 | 7956 | break; |
a315a145 FB |
7957 | #endif |
7958 | #ifdef TARGET_NR_getuid32 | |
31e31b8a | 7959 | case TARGET_NR_getuid32: |
b03c60f3 FB |
7960 | ret = get_errno(getuid()); |
7961 | break; | |
a315a145 | 7962 | #endif |
64b4d28c AJ |
7963 | |
7964 | #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA) | |
7965 | /* Alpha specific */ | |
7966 | case TARGET_NR_getxuid: | |
ba0e276d RH |
7967 | { |
7968 | uid_t euid; | |
7969 | euid=geteuid(); | |
7970 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid; | |
7971 | } | |
64b4d28c AJ |
7972 | ret = get_errno(getuid()); |
7973 | break; | |
7974 | #endif | |
7975 | #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA) | |
7976 | /* Alpha specific */ | |
7977 | case TARGET_NR_getxgid: | |
ba0e276d RH |
7978 | { |
7979 | uid_t egid; | |
7980 | egid=getegid(); | |
7981 | ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid; | |
7982 | } | |
64b4d28c AJ |
7983 | ret = get_errno(getgid()); |
7984 | break; | |
7985 | #endif | |
ba0e276d RH |
7986 | #if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA) |
7987 | /* Alpha specific */ | |
7988 | case TARGET_NR_osf_getsysinfo: | |
7989 | ret = -TARGET_EOPNOTSUPP; | |
7990 | switch (arg1) { | |
7991 | case TARGET_GSI_IEEE_FP_CONTROL: | |
7992 | { | |
7993 | uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env); | |
7994 | ||
7995 | /* Copied from linux ieee_fpcr_to_swcr. */ | |
7996 | swcr = (fpcr >> 35) & SWCR_STATUS_MASK; | |
7997 | swcr |= (fpcr >> 36) & SWCR_MAP_DMZ; | |
7998 | swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV | |
7999 | | SWCR_TRAP_ENABLE_DZE | |
8000 | | SWCR_TRAP_ENABLE_OVF); | |
8001 | swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF | |
8002 | | SWCR_TRAP_ENABLE_INE); | |
8003 | swcr |= (fpcr >> 47) & SWCR_MAP_UMZ; | |
8004 | swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO; | |
8005 | ||
8006 | if (put_user_u64 (swcr, arg2)) | |
8007 | goto efault; | |
8008 | ret = 0; | |
8009 | } | |
8010 | break; | |
8011 | ||
8012 | /* case GSI_IEEE_STATE_AT_SIGNAL: | |
8013 | -- Not implemented in linux kernel. | |
8014 | case GSI_UACPROC: | |
8015 | -- Retrieves current unaligned access state; not much used. | |
8016 | case GSI_PROC_TYPE: | |
8017 | -- Retrieves implver information; surely not used. | |
8018 | case GSI_GET_HWRPB: | |
8019 | -- Grabs a copy of the HWRPB; surely not used. | |
8020 | */ | |
8021 | } | |
8022 | break; | |
8023 | #endif | |
8024 | #if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA) | |
8025 | /* Alpha specific */ | |
8026 | case TARGET_NR_osf_setsysinfo: | |
8027 | ret = -TARGET_EOPNOTSUPP; | |
8028 | switch (arg1) { | |
8029 | case TARGET_SSI_IEEE_FP_CONTROL: | |
ba0e276d RH |
8030 | { |
8031 | uint64_t swcr, fpcr, orig_fpcr; | |
8032 | ||
6e06d515 | 8033 | if (get_user_u64 (swcr, arg2)) { |
ba0e276d | 8034 | goto efault; |
6e06d515 RH |
8035 | } |
8036 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); | |
ba0e276d RH |
8037 | fpcr = orig_fpcr & FPCR_DYN_MASK; |
8038 | ||
8039 | /* Copied from linux ieee_swcr_to_fpcr. */ | |
8040 | fpcr |= (swcr & SWCR_STATUS_MASK) << 35; | |
8041 | fpcr |= (swcr & SWCR_MAP_DMZ) << 36; | |
8042 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV | |
8043 | | SWCR_TRAP_ENABLE_DZE | |
8044 | | SWCR_TRAP_ENABLE_OVF)) << 48; | |
8045 | fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF | |
8046 | | SWCR_TRAP_ENABLE_INE)) << 57; | |
8047 | fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0); | |
8048 | fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41; | |
8049 | ||
6e06d515 | 8050 | cpu_alpha_store_fpcr(cpu_env, fpcr); |
ba0e276d | 8051 | ret = 0; |
6e06d515 RH |
8052 | } |
8053 | break; | |
8054 | ||
8055 | case TARGET_SSI_IEEE_RAISE_EXCEPTION: | |
8056 | { | |
8057 | uint64_t exc, fpcr, orig_fpcr; | |
8058 | int si_code; | |
8059 | ||
8060 | if (get_user_u64(exc, arg2)) { | |
8061 | goto efault; | |
8062 | } | |
ba0e276d | 8063 | |
6e06d515 | 8064 | orig_fpcr = cpu_alpha_load_fpcr(cpu_env); |
ba0e276d | 8065 | |
6e06d515 RH |
8066 | /* We only add to the exception status here. */ |
8067 | fpcr = orig_fpcr | ((exc & SWCR_STATUS_MASK) << 35); | |
8068 | ||
8069 | cpu_alpha_store_fpcr(cpu_env, fpcr); | |
8070 | ret = 0; | |
8071 | ||
8072 | /* Old exceptions are not signaled. */ | |
8073 | fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK); | |
8074 | ||
8075 | /* If any exceptions set by this call, | |
8076 | and are unmasked, send a signal. */ | |
8077 | si_code = 0; | |
8078 | if ((fpcr & (FPCR_INE | FPCR_INED)) == FPCR_INE) { | |
8079 | si_code = TARGET_FPE_FLTRES; | |
8080 | } | |
8081 | if ((fpcr & (FPCR_UNF | FPCR_UNFD)) == FPCR_UNF) { | |
8082 | si_code = TARGET_FPE_FLTUND; | |
8083 | } | |
8084 | if ((fpcr & (FPCR_OVF | FPCR_OVFD)) == FPCR_OVF) { | |
8085 | si_code = TARGET_FPE_FLTOVF; | |
8086 | } | |
8087 | if ((fpcr & (FPCR_DZE | FPCR_DZED)) == FPCR_DZE) { | |
8088 | si_code = TARGET_FPE_FLTDIV; | |
8089 | } | |
8090 | if ((fpcr & (FPCR_INV | FPCR_INVD)) == FPCR_INV) { | |
8091 | si_code = TARGET_FPE_FLTINV; | |
8092 | } | |
8093 | if (si_code != 0) { | |
8094 | target_siginfo_t info; | |
8095 | info.si_signo = SIGFPE; | |
8096 | info.si_errno = 0; | |
8097 | info.si_code = si_code; | |
8098 | info._sifields._sigfault._addr | |
8099 | = ((CPUArchState *)cpu_env)->pc; | |
8100 | queue_signal((CPUArchState *)cpu_env, info.si_signo, &info); | |
ba0e276d RH |
8101 | } |
8102 | } | |
8103 | break; | |
8104 | ||
8105 | /* case SSI_NVPAIRS: | |
8106 | -- Used with SSIN_UACPROC to enable unaligned accesses. | |
8107 | case SSI_IEEE_STATE_AT_SIGNAL: | |
8108 | case SSI_IEEE_IGNORE_STATE_AT_SIGNAL: | |
8109 | -- Not implemented in linux kernel | |
8110 | */ | |
8111 | } | |
8112 | break; | |
8113 | #endif | |
8114 | #ifdef TARGET_NR_osf_sigprocmask | |
8115 | /* Alpha specific. */ | |
8116 | case TARGET_NR_osf_sigprocmask: | |
8117 | { | |
8118 | abi_ulong mask; | |
bc088ba1 | 8119 | int how; |
ba0e276d RH |
8120 | sigset_t set, oldset; |
8121 | ||
8122 | switch(arg1) { | |
8123 | case TARGET_SIG_BLOCK: | |
8124 | how = SIG_BLOCK; | |
8125 | break; | |
8126 | case TARGET_SIG_UNBLOCK: | |
8127 | how = SIG_UNBLOCK; | |
8128 | break; | |
8129 | case TARGET_SIG_SETMASK: | |
8130 | how = SIG_SETMASK; | |
8131 | break; | |
8132 | default: | |
8133 | ret = -TARGET_EINVAL; | |
8134 | goto fail; | |
8135 | } | |
8136 | mask = arg2; | |
8137 | target_to_host_old_sigset(&set, &mask); | |
bc088ba1 | 8138 | sigprocmask(how, &set, &oldset); |
ba0e276d RH |
8139 | host_to_target_old_sigset(&mask, &oldset); |
8140 | ret = mask; | |
8141 | } | |
8142 | break; | |
8143 | #endif | |
64b4d28c | 8144 | |
a315a145 | 8145 | #ifdef TARGET_NR_getgid32 |
31e31b8a | 8146 | case TARGET_NR_getgid32: |
b03c60f3 FB |
8147 | ret = get_errno(getgid()); |
8148 | break; | |
a315a145 FB |
8149 | #endif |
8150 | #ifdef TARGET_NR_geteuid32 | |
31e31b8a | 8151 | case TARGET_NR_geteuid32: |
b03c60f3 FB |
8152 | ret = get_errno(geteuid()); |
8153 | break; | |
a315a145 FB |
8154 | #endif |
8155 | #ifdef TARGET_NR_getegid32 | |
31e31b8a | 8156 | case TARGET_NR_getegid32: |
b03c60f3 FB |
8157 | ret = get_errno(getegid()); |
8158 | break; | |
a315a145 FB |
8159 | #endif |
8160 | #ifdef TARGET_NR_setreuid32 | |
31e31b8a | 8161 | case TARGET_NR_setreuid32: |
b03c60f3 FB |
8162 | ret = get_errno(setreuid(arg1, arg2)); |
8163 | break; | |
a315a145 FB |
8164 | #endif |
8165 | #ifdef TARGET_NR_setregid32 | |
31e31b8a | 8166 | case TARGET_NR_setregid32: |
b03c60f3 FB |
8167 | ret = get_errno(setregid(arg1, arg2)); |
8168 | break; | |
a315a145 FB |
8169 | #endif |
8170 | #ifdef TARGET_NR_getgroups32 | |
31e31b8a | 8171 | case TARGET_NR_getgroups32: |
99c475ab FB |
8172 | { |
8173 | int gidsetsize = arg1; | |
53a5960a | 8174 | uint32_t *target_grouplist; |
99c475ab FB |
8175 | gid_t *grouplist; |
8176 | int i; | |
8177 | ||
8178 | grouplist = alloca(gidsetsize * sizeof(gid_t)); | |
8179 | ret = get_errno(getgroups(gidsetsize, grouplist)); | |
cb3bc233 AZ |
8180 | if (gidsetsize == 0) |
8181 | break; | |
99c475ab | 8182 | if (!is_error(ret)) { |
579a97f7 FB |
8183 | target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0); |
8184 | if (!target_grouplist) { | |
8185 | ret = -TARGET_EFAULT; | |
8186 | goto fail; | |
8187 | } | |
a2155fcc | 8188 | for(i = 0;i < ret; i++) |
53a5960a PB |
8189 | target_grouplist[i] = tswap32(grouplist[i]); |
8190 | unlock_user(target_grouplist, arg2, gidsetsize * 4); | |
99c475ab FB |
8191 | } |
8192 | } | |
8193 | break; | |
a315a145 FB |
8194 | #endif |
8195 | #ifdef TARGET_NR_setgroups32 | |
31e31b8a | 8196 | case TARGET_NR_setgroups32: |
99c475ab FB |
8197 | { |
8198 | int gidsetsize = arg1; | |
53a5960a | 8199 | uint32_t *target_grouplist; |
99c475ab FB |
8200 | gid_t *grouplist; |
8201 | int i; | |
3b46e624 | 8202 | |
99c475ab | 8203 | grouplist = alloca(gidsetsize * sizeof(gid_t)); |
579a97f7 FB |
8204 | target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1); |
8205 | if (!target_grouplist) { | |
8206 | ret = -TARGET_EFAULT; | |
8207 | goto fail; | |
8208 | } | |
99c475ab | 8209 | for(i = 0;i < gidsetsize; i++) |
53a5960a PB |
8210 | grouplist[i] = tswap32(target_grouplist[i]); |
8211 | unlock_user(target_grouplist, arg2, 0); | |
99c475ab FB |
8212 | ret = get_errno(setgroups(gidsetsize, grouplist)); |
8213 | } | |
8214 | break; | |
a315a145 FB |
8215 | #endif |
8216 | #ifdef TARGET_NR_fchown32 | |
31e31b8a | 8217 | case TARGET_NR_fchown32: |
b03c60f3 FB |
8218 | ret = get_errno(fchown(arg1, arg2, arg3)); |
8219 | break; | |
a315a145 FB |
8220 | #endif |
8221 | #ifdef TARGET_NR_setresuid32 | |
31e31b8a | 8222 | case TARGET_NR_setresuid32: |
b03c60f3 FB |
8223 | ret = get_errno(setresuid(arg1, arg2, arg3)); |
8224 | break; | |
a315a145 FB |
8225 | #endif |
8226 | #ifdef TARGET_NR_getresuid32 | |
31e31b8a | 8227 | case TARGET_NR_getresuid32: |
b03c60f3 | 8228 | { |
53a5960a | 8229 | uid_t ruid, euid, suid; |
b03c60f3 FB |
8230 | ret = get_errno(getresuid(&ruid, &euid, &suid)); |
8231 | if (!is_error(ret)) { | |
2f619698 FB |
8232 | if (put_user_u32(ruid, arg1) |
8233 | || put_user_u32(euid, arg2) | |
8234 | || put_user_u32(suid, arg3)) | |
8235 | goto efault; | |
b03c60f3 FB |
8236 | } |
8237 | } | |
8238 | break; | |
a315a145 FB |
8239 | #endif |
8240 | #ifdef TARGET_NR_setresgid32 | |
31e31b8a | 8241 | case TARGET_NR_setresgid32: |
b03c60f3 FB |
8242 | ret = get_errno(setresgid(arg1, arg2, arg3)); |
8243 | break; | |
a315a145 FB |
8244 | #endif |
8245 | #ifdef TARGET_NR_getresgid32 | |
31e31b8a | 8246 | case TARGET_NR_getresgid32: |
b03c60f3 | 8247 | { |
53a5960a | 8248 | gid_t rgid, egid, sgid; |
b03c60f3 FB |
8249 | ret = get_errno(getresgid(&rgid, &egid, &sgid)); |
8250 | if (!is_error(ret)) { | |
2f619698 FB |
8251 | if (put_user_u32(rgid, arg1) |
8252 | || put_user_u32(egid, arg2) | |
8253 | || put_user_u32(sgid, arg3)) | |
8254 | goto efault; | |
b03c60f3 FB |
8255 | } |
8256 | } | |
8257 | break; | |
a315a145 FB |
8258 | #endif |
8259 | #ifdef TARGET_NR_chown32 | |
31e31b8a | 8260 | case TARGET_NR_chown32: |
579a97f7 FB |
8261 | if (!(p = lock_user_string(arg1))) |
8262 | goto efault; | |
53a5960a PB |
8263 | ret = get_errno(chown(p, arg2, arg3)); |
8264 | unlock_user(p, arg1, 0); | |
b03c60f3 | 8265 | break; |
a315a145 FB |
8266 | #endif |
8267 | #ifdef TARGET_NR_setuid32 | |
31e31b8a | 8268 | case TARGET_NR_setuid32: |
b03c60f3 FB |
8269 | ret = get_errno(setuid(arg1)); |
8270 | break; | |
a315a145 FB |
8271 | #endif |
8272 | #ifdef TARGET_NR_setgid32 | |
31e31b8a | 8273 | case TARGET_NR_setgid32: |
b03c60f3 FB |
8274 | ret = get_errno(setgid(arg1)); |
8275 | break; | |
a315a145 FB |
8276 | #endif |
8277 | #ifdef TARGET_NR_setfsuid32 | |
31e31b8a | 8278 | case TARGET_NR_setfsuid32: |
b03c60f3 FB |
8279 | ret = get_errno(setfsuid(arg1)); |
8280 | break; | |
a315a145 FB |
8281 | #endif |
8282 | #ifdef TARGET_NR_setfsgid32 | |
31e31b8a | 8283 | case TARGET_NR_setfsgid32: |
b03c60f3 FB |
8284 | ret = get_errno(setfsgid(arg1)); |
8285 | break; | |
a315a145 | 8286 | #endif |
67867308 | 8287 | |
31e31b8a | 8288 | case TARGET_NR_pivot_root: |
b03c60f3 | 8289 | goto unimplemented; |
ffa65c3b | 8290 | #ifdef TARGET_NR_mincore |
31e31b8a | 8291 | case TARGET_NR_mincore: |
04bb9ace AJ |
8292 | { |
8293 | void *a; | |
8294 | ret = -TARGET_EFAULT; | |
8295 | if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0))) | |
8296 | goto efault; | |
8297 | if (!(p = lock_user_string(arg3))) | |
8298 | goto mincore_fail; | |
8299 | ret = get_errno(mincore(a, arg2, p)); | |
8300 | unlock_user(p, arg3, ret); | |
8301 | mincore_fail: | |
8302 | unlock_user(a, arg1, 0); | |
8303 | } | |
8304 | break; | |
ffa65c3b | 8305 | #endif |
408321b6 AJ |
8306 | #ifdef TARGET_NR_arm_fadvise64_64 |
8307 | case TARGET_NR_arm_fadvise64_64: | |
8308 | { | |
8309 | /* | |
8310 | * arm_fadvise64_64 looks like fadvise64_64 but | |
8311 | * with different argument order | |
8312 | */ | |
8313 | abi_long temp; | |
8314 | temp = arg3; | |
8315 | arg3 = arg4; | |
8316 | arg4 = temp; | |
8317 | } | |
8318 | #endif | |
e72d2cc7 | 8319 | #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64) |
408321b6 AJ |
8320 | #ifdef TARGET_NR_fadvise64_64 |
8321 | case TARGET_NR_fadvise64_64: | |
8322 | #endif | |
e72d2cc7 UH |
8323 | #ifdef TARGET_NR_fadvise64 |
8324 | case TARGET_NR_fadvise64: | |
8325 | #endif | |
8326 | #ifdef TARGET_S390X | |
8327 | switch (arg4) { | |
8328 | case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */ | |
8329 | case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */ | |
8330 | case 6: arg4 = POSIX_FADV_DONTNEED; break; | |
8331 | case 7: arg4 = POSIX_FADV_NOREUSE; break; | |
8332 | default: break; | |
8333 | } | |
8334 | #endif | |
8335 | ret = -posix_fadvise(arg1, arg2, arg3, arg4); | |
408321b6 AJ |
8336 | break; |
8337 | #endif | |
ffa65c3b | 8338 | #ifdef TARGET_NR_madvise |
31e31b8a | 8339 | case TARGET_NR_madvise: |
24836689 | 8340 | /* A straight passthrough may not be safe because qemu sometimes |
d2d6b857 | 8341 | turns private file-backed mappings into anonymous mappings. |
24836689 PB |
8342 | This will break MADV_DONTNEED. |
8343 | This is a hint, so ignoring and returning success is ok. */ | |
8344 | ret = get_errno(0); | |
8345 | break; | |
ffa65c3b | 8346 | #endif |
992f48a0 | 8347 | #if TARGET_ABI_BITS == 32 |
31e31b8a | 8348 | case TARGET_NR_fcntl64: |
77e4672d | 8349 | { |
b1e341eb | 8350 | int cmd; |
77e4672d | 8351 | struct flock64 fl; |
53a5960a | 8352 | struct target_flock64 *target_fl; |
ce4defa0 | 8353 | #ifdef TARGET_ARM |
53a5960a | 8354 | struct target_eabi_flock64 *target_efl; |
ce4defa0 | 8355 | #endif |
77e4672d | 8356 | |
5f106811 | 8357 | cmd = target_to_host_fcntl_cmd(arg2); |
31b63193 PM |
8358 | if (cmd == -TARGET_EINVAL) { |
8359 | ret = cmd; | |
8360 | break; | |
8361 | } | |
b1e341eb | 8362 | |
60cd49d5 | 8363 | switch(arg2) { |
b1e341eb | 8364 | case TARGET_F_GETLK64: |
5813427b TS |
8365 | #ifdef TARGET_ARM |
8366 | if (((CPUARMState *)cpu_env)->eabi) { | |
9ee1fa2c FB |
8367 | if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
8368 | goto efault; | |
5813427b TS |
8369 | fl.l_type = tswap16(target_efl->l_type); |
8370 | fl.l_whence = tswap16(target_efl->l_whence); | |
8371 | fl.l_start = tswap64(target_efl->l_start); | |
8372 | fl.l_len = tswap64(target_efl->l_len); | |
7e22e546 | 8373 | fl.l_pid = tswap32(target_efl->l_pid); |
5813427b TS |
8374 | unlock_user_struct(target_efl, arg3, 0); |
8375 | } else | |
8376 | #endif | |
8377 | { | |
9ee1fa2c FB |
8378 | if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
8379 | goto efault; | |
5813427b TS |
8380 | fl.l_type = tswap16(target_fl->l_type); |
8381 | fl.l_whence = tswap16(target_fl->l_whence); | |
8382 | fl.l_start = tswap64(target_fl->l_start); | |
8383 | fl.l_len = tswap64(target_fl->l_len); | |
7e22e546 | 8384 | fl.l_pid = tswap32(target_fl->l_pid); |
5813427b TS |
8385 | unlock_user_struct(target_fl, arg3, 0); |
8386 | } | |
b1e341eb | 8387 | ret = get_errno(fcntl(arg1, cmd, &fl)); |
77e4672d | 8388 | if (ret == 0) { |
ce4defa0 PB |
8389 | #ifdef TARGET_ARM |
8390 | if (((CPUARMState *)cpu_env)->eabi) { | |
9ee1fa2c FB |
8391 | if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0)) |
8392 | goto efault; | |
ce4defa0 PB |
8393 | target_efl->l_type = tswap16(fl.l_type); |
8394 | target_efl->l_whence = tswap16(fl.l_whence); | |
8395 | target_efl->l_start = tswap64(fl.l_start); | |
8396 | target_efl->l_len = tswap64(fl.l_len); | |
7e22e546 | 8397 | target_efl->l_pid = tswap32(fl.l_pid); |
53a5960a | 8398 | unlock_user_struct(target_efl, arg3, 1); |
ce4defa0 PB |
8399 | } else |
8400 | #endif | |
8401 | { | |
9ee1fa2c FB |
8402 | if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0)) |
8403 | goto efault; | |
ce4defa0 PB |
8404 | target_fl->l_type = tswap16(fl.l_type); |
8405 | target_fl->l_whence = tswap16(fl.l_whence); | |
8406 | target_fl->l_start = tswap64(fl.l_start); | |
8407 | target_fl->l_len = tswap64(fl.l_len); | |
7e22e546 | 8408 | target_fl->l_pid = tswap32(fl.l_pid); |
53a5960a | 8409 | unlock_user_struct(target_fl, arg3, 1); |
ce4defa0 | 8410 | } |
77e4672d FB |
8411 | } |
8412 | break; | |
8413 | ||
b1e341eb TS |
8414 | case TARGET_F_SETLK64: |
8415 | case TARGET_F_SETLKW64: | |
ce4defa0 PB |
8416 | #ifdef TARGET_ARM |
8417 | if (((CPUARMState *)cpu_env)->eabi) { | |
9ee1fa2c FB |
8418 | if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1)) |
8419 | goto efault; | |
ce4defa0 PB |
8420 | fl.l_type = tswap16(target_efl->l_type); |
8421 | fl.l_whence = tswap16(target_efl->l_whence); | |
8422 | fl.l_start = tswap64(target_efl->l_start); | |
8423 | fl.l_len = tswap64(target_efl->l_len); | |
7e22e546 | 8424 | fl.l_pid = tswap32(target_efl->l_pid); |
53a5960a | 8425 | unlock_user_struct(target_efl, arg3, 0); |
ce4defa0 PB |
8426 | } else |
8427 | #endif | |
8428 | { | |
9ee1fa2c FB |
8429 | if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1)) |
8430 | goto efault; | |
ce4defa0 PB |
8431 | fl.l_type = tswap16(target_fl->l_type); |
8432 | fl.l_whence = tswap16(target_fl->l_whence); | |
8433 | fl.l_start = tswap64(target_fl->l_start); | |
8434 | fl.l_len = tswap64(target_fl->l_len); | |
7e22e546 | 8435 | fl.l_pid = tswap32(target_fl->l_pid); |
53a5960a | 8436 | unlock_user_struct(target_fl, arg3, 0); |
ce4defa0 | 8437 | } |
b1e341eb | 8438 | ret = get_errno(fcntl(arg1, cmd, &fl)); |
77e4672d | 8439 | break; |
60cd49d5 | 8440 | default: |
5f106811 | 8441 | ret = do_fcntl(arg1, arg2, arg3); |
60cd49d5 FB |
8442 | break; |
8443 | } | |
77e4672d FB |
8444 | break; |
8445 | } | |
60cd49d5 | 8446 | #endif |
7d600c80 TS |
8447 | #ifdef TARGET_NR_cacheflush |
8448 | case TARGET_NR_cacheflush: | |
8449 | /* self-modifying code is handled automatically, so nothing needed */ | |
8450 | ret = 0; | |
8451 | break; | |
8452 | #endif | |
ebc05488 | 8453 | #ifdef TARGET_NR_security |
31e31b8a FB |
8454 | case TARGET_NR_security: |
8455 | goto unimplemented; | |
c573ff67 FB |
8456 | #endif |
8457 | #ifdef TARGET_NR_getpagesize | |
8458 | case TARGET_NR_getpagesize: | |
8459 | ret = TARGET_PAGE_SIZE; | |
8460 | break; | |
ebc05488 | 8461 | #endif |
31e31b8a FB |
8462 | case TARGET_NR_gettid: |
8463 | ret = get_errno(gettid()); | |
8464 | break; | |
e5febef5 | 8465 | #ifdef TARGET_NR_readahead |
31e31b8a | 8466 | case TARGET_NR_readahead: |
2054ac9b | 8467 | #if TARGET_ABI_BITS == 32 |
48e515d4 | 8468 | if (regpairs_aligned(cpu_env)) { |
2054ac9b AJ |
8469 | arg2 = arg3; |
8470 | arg3 = arg4; | |
8471 | arg4 = arg5; | |
8472 | } | |
2054ac9b AJ |
8473 | ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4)); |
8474 | #else | |
8475 | ret = get_errno(readahead(arg1, arg2, arg3)); | |
8476 | #endif | |
8477 | break; | |
e5febef5 | 8478 | #endif |
a790ae38 | 8479 | #ifdef CONFIG_ATTR |
ebc05488 | 8480 | #ifdef TARGET_NR_setxattr |
31e31b8a FB |
8481 | case TARGET_NR_listxattr: |
8482 | case TARGET_NR_llistxattr: | |
fb5590f7 PM |
8483 | { |
8484 | void *p, *b = 0; | |
8485 | if (arg2) { | |
8486 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
8487 | if (!b) { | |
8488 | ret = -TARGET_EFAULT; | |
8489 | break; | |
8490 | } | |
8491 | } | |
8492 | p = lock_user_string(arg1); | |
8493 | if (p) { | |
8494 | if (num == TARGET_NR_listxattr) { | |
8495 | ret = get_errno(listxattr(p, b, arg3)); | |
8496 | } else { | |
8497 | ret = get_errno(llistxattr(p, b, arg3)); | |
8498 | } | |
8499 | } else { | |
8500 | ret = -TARGET_EFAULT; | |
8501 | } | |
8502 | unlock_user(p, arg1, 0); | |
8503 | unlock_user(b, arg2, arg3); | |
8504 | break; | |
8505 | } | |
31e31b8a | 8506 | case TARGET_NR_flistxattr: |
fb5590f7 PM |
8507 | { |
8508 | void *b = 0; | |
8509 | if (arg2) { | |
8510 | b = lock_user(VERIFY_WRITE, arg2, arg3, 0); | |
8511 | if (!b) { | |
8512 | ret = -TARGET_EFAULT; | |
8513 | break; | |
8514 | } | |
8515 | } | |
8516 | ret = get_errno(flistxattr(arg1, b, arg3)); | |
8517 | unlock_user(b, arg2, arg3); | |
6f932f91 | 8518 | break; |
fb5590f7 | 8519 | } |
a790ae38 | 8520 | case TARGET_NR_setxattr: |
30297b55 | 8521 | case TARGET_NR_lsetxattr: |
a790ae38 | 8522 | { |
e3c33ec6 PM |
8523 | void *p, *n, *v = 0; |
8524 | if (arg3) { | |
8525 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
8526 | if (!v) { | |
8527 | ret = -TARGET_EFAULT; | |
8528 | break; | |
8529 | } | |
8530 | } | |
a790ae38 ACH |
8531 | p = lock_user_string(arg1); |
8532 | n = lock_user_string(arg2); | |
e3c33ec6 | 8533 | if (p && n) { |
30297b55 PM |
8534 | if (num == TARGET_NR_setxattr) { |
8535 | ret = get_errno(setxattr(p, n, v, arg4, arg5)); | |
8536 | } else { | |
8537 | ret = get_errno(lsetxattr(p, n, v, arg4, arg5)); | |
8538 | } | |
a790ae38 ACH |
8539 | } else { |
8540 | ret = -TARGET_EFAULT; | |
8541 | } | |
8542 | unlock_user(p, arg1, 0); | |
8543 | unlock_user(n, arg2, 0); | |
8544 | unlock_user(v, arg3, 0); | |
8545 | } | |
8546 | break; | |
30297b55 PM |
8547 | case TARGET_NR_fsetxattr: |
8548 | { | |
8549 | void *n, *v = 0; | |
8550 | if (arg3) { | |
8551 | v = lock_user(VERIFY_READ, arg3, arg4, 1); | |
8552 | if (!v) { | |
8553 | ret = -TARGET_EFAULT; | |
8554 | break; | |
8555 | } | |
8556 | } | |
8557 | n = lock_user_string(arg2); | |
8558 | if (n) { | |
8559 | ret = get_errno(fsetxattr(arg1, n, v, arg4, arg5)); | |
8560 | } else { | |
8561 | ret = -TARGET_EFAULT; | |
8562 | } | |
8563 | unlock_user(n, arg2, 0); | |
8564 | unlock_user(v, arg3, 0); | |
8565 | } | |
8566 | break; | |
a790ae38 | 8567 | case TARGET_NR_getxattr: |
30297b55 | 8568 | case TARGET_NR_lgetxattr: |
a790ae38 | 8569 | { |
e3c33ec6 PM |
8570 | void *p, *n, *v = 0; |
8571 | if (arg3) { | |
8572 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
8573 | if (!v) { | |
8574 | ret = -TARGET_EFAULT; | |
8575 | break; | |
8576 | } | |
8577 | } | |
a790ae38 ACH |
8578 | p = lock_user_string(arg1); |
8579 | n = lock_user_string(arg2); | |
e3c33ec6 | 8580 | if (p && n) { |
30297b55 PM |
8581 | if (num == TARGET_NR_getxattr) { |
8582 | ret = get_errno(getxattr(p, n, v, arg4)); | |
8583 | } else { | |
8584 | ret = get_errno(lgetxattr(p, n, v, arg4)); | |
8585 | } | |
a790ae38 ACH |
8586 | } else { |
8587 | ret = -TARGET_EFAULT; | |
8588 | } | |
8589 | unlock_user(p, arg1, 0); | |
8590 | unlock_user(n, arg2, 0); | |
8591 | unlock_user(v, arg3, arg4); | |
8592 | } | |
8593 | break; | |
30297b55 PM |
8594 | case TARGET_NR_fgetxattr: |
8595 | { | |
8596 | void *n, *v = 0; | |
8597 | if (arg3) { | |
8598 | v = lock_user(VERIFY_WRITE, arg3, arg4, 0); | |
8599 | if (!v) { | |
8600 | ret = -TARGET_EFAULT; | |
8601 | break; | |
8602 | } | |
8603 | } | |
8604 | n = lock_user_string(arg2); | |
8605 | if (n) { | |
8606 | ret = get_errno(fgetxattr(arg1, n, v, arg4)); | |
8607 | } else { | |
8608 | ret = -TARGET_EFAULT; | |
8609 | } | |
8610 | unlock_user(n, arg2, 0); | |
8611 | unlock_user(v, arg3, arg4); | |
8612 | } | |
8613 | break; | |
a790ae38 | 8614 | case TARGET_NR_removexattr: |
30297b55 | 8615 | case TARGET_NR_lremovexattr: |
a790ae38 ACH |
8616 | { |
8617 | void *p, *n; | |
8618 | p = lock_user_string(arg1); | |
8619 | n = lock_user_string(arg2); | |
8620 | if (p && n) { | |
30297b55 PM |
8621 | if (num == TARGET_NR_removexattr) { |
8622 | ret = get_errno(removexattr(p, n)); | |
8623 | } else { | |
8624 | ret = get_errno(lremovexattr(p, n)); | |
8625 | } | |
a790ae38 ACH |
8626 | } else { |
8627 | ret = -TARGET_EFAULT; | |
8628 | } | |
8629 | unlock_user(p, arg1, 0); | |
8630 | unlock_user(n, arg2, 0); | |
8631 | } | |
8632 | break; | |
30297b55 PM |
8633 | case TARGET_NR_fremovexattr: |
8634 | { | |
8635 | void *n; | |
8636 | n = lock_user_string(arg2); | |
8637 | if (n) { | |
8638 | ret = get_errno(fremovexattr(arg1, n)); | |
8639 | } else { | |
8640 | ret = -TARGET_EFAULT; | |
8641 | } | |
8642 | unlock_user(n, arg2, 0); | |
8643 | } | |
8644 | break; | |
ebc05488 | 8645 | #endif |
a790ae38 | 8646 | #endif /* CONFIG_ATTR */ |
ebc05488 | 8647 | #ifdef TARGET_NR_set_thread_area |
5cd4393b | 8648 | case TARGET_NR_set_thread_area: |
8d18e893 | 8649 | #if defined(TARGET_MIPS) |
6f5b89a0 TS |
8650 | ((CPUMIPSState *) cpu_env)->tls_value = arg1; |
8651 | ret = 0; | |
8652 | break; | |
ef96779b EI |
8653 | #elif defined(TARGET_CRIS) |
8654 | if (arg1 & 0xff) | |
8655 | ret = -TARGET_EINVAL; | |
8656 | else { | |
8657 | ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1; | |
8658 | ret = 0; | |
8659 | } | |
8660 | break; | |
8d18e893 FB |
8661 | #elif defined(TARGET_I386) && defined(TARGET_ABI32) |
8662 | ret = do_set_thread_area(cpu_env, arg1); | |
8663 | break; | |
1ccd9374 PM |
8664 | #elif defined(TARGET_M68K) |
8665 | { | |
8666 | TaskState *ts = ((CPUArchState *)cpu_env)->opaque; | |
8667 | ts->tp_value = arg1; | |
95c1eb19 | 8668 | ret = 0; |
1ccd9374 PM |
8669 | break; |
8670 | } | |
6f5b89a0 TS |
8671 | #else |
8672 | goto unimplemented_nowarn; | |
8673 | #endif | |
8674 | #endif | |
8675 | #ifdef TARGET_NR_get_thread_area | |
5cd4393b | 8676 | case TARGET_NR_get_thread_area: |
8d18e893 FB |
8677 | #if defined(TARGET_I386) && defined(TARGET_ABI32) |
8678 | ret = do_get_thread_area(cpu_env, arg1); | |
d312bbe1 | 8679 | break; |
1ccd9374 PM |
8680 | #elif defined(TARGET_M68K) |
8681 | { | |
8682 | TaskState *ts = ((CPUArchState *)cpu_env)->opaque; | |
8683 | ret = ts->tp_value; | |
8684 | break; | |
8685 | } | |
8d18e893 | 8686 | #else |
5cd4393b | 8687 | goto unimplemented_nowarn; |
48dc41eb | 8688 | #endif |
8d18e893 | 8689 | #endif |
48dc41eb FB |
8690 | #ifdef TARGET_NR_getdomainname |
8691 | case TARGET_NR_getdomainname: | |
8692 | goto unimplemented_nowarn; | |
ebc05488 | 8693 | #endif |
6f5b89a0 | 8694 | |
b5906f95 TS |
8695 | #ifdef TARGET_NR_clock_gettime |
8696 | case TARGET_NR_clock_gettime: | |
8697 | { | |
8698 | struct timespec ts; | |
8699 | ret = get_errno(clock_gettime(arg1, &ts)); | |
8700 | if (!is_error(ret)) { | |
8701 | host_to_target_timespec(arg2, &ts); | |
8702 | } | |
8703 | break; | |
8704 | } | |
8705 | #endif | |
8706 | #ifdef TARGET_NR_clock_getres | |
8707 | case TARGET_NR_clock_getres: | |
8708 | { | |
8709 | struct timespec ts; | |
8710 | ret = get_errno(clock_getres(arg1, &ts)); | |
8711 | if (!is_error(ret)) { | |
8712 | host_to_target_timespec(arg2, &ts); | |
8713 | } | |
8714 | break; | |
8715 | } | |
8716 | #endif | |
63d7651b PB |
8717 | #ifdef TARGET_NR_clock_nanosleep |
8718 | case TARGET_NR_clock_nanosleep: | |
8719 | { | |
8720 | struct timespec ts; | |
8721 | target_to_host_timespec(&ts, arg3); | |
8722 | ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL)); | |
8723 | if (arg4) | |
8724 | host_to_target_timespec(arg4, &ts); | |
8725 | break; | |
8726 | } | |
8727 | #endif | |
b5906f95 | 8728 | |
6f5b89a0 TS |
8729 | #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address) |
8730 | case TARGET_NR_set_tid_address: | |
579a97f7 FB |
8731 | ret = get_errno(set_tid_address((int *)g2h(arg1))); |
8732 | break; | |
6f5b89a0 TS |
8733 | #endif |
8734 | ||
3ae43202 | 8735 | #if defined(TARGET_NR_tkill) && defined(__NR_tkill) |
4cae1d16 | 8736 | case TARGET_NR_tkill: |
4cb05961 | 8737 | ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2))); |
4cae1d16 TS |
8738 | break; |
8739 | #endif | |
8740 | ||
3ae43202 | 8741 | #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill) |
71455574 | 8742 | case TARGET_NR_tgkill: |
4cb05961 PB |
8743 | ret = get_errno(sys_tgkill((int)arg1, (int)arg2, |
8744 | target_to_host_signal(arg3))); | |
71455574 TS |
8745 | break; |
8746 | #endif | |
8747 | ||
4f2b1fe8 TS |
8748 | #ifdef TARGET_NR_set_robust_list |
8749 | case TARGET_NR_set_robust_list: | |
e9a970a8 PM |
8750 | case TARGET_NR_get_robust_list: |
8751 | /* The ABI for supporting robust futexes has userspace pass | |
8752 | * the kernel a pointer to a linked list which is updated by | |
8753 | * userspace after the syscall; the list is walked by the kernel | |
8754 | * when the thread exits. Since the linked list in QEMU guest | |
8755 | * memory isn't a valid linked list for the host and we have | |
8756 | * no way to reliably intercept the thread-death event, we can't | |
8757 | * support these. Silently return ENOSYS so that guest userspace | |
8758 | * falls back to a non-robust futex implementation (which should | |
8759 | * be OK except in the corner case of the guest crashing while | |
8760 | * holding a mutex that is shared with another process via | |
8761 | * shared memory). | |
8762 | */ | |
8763 | goto unimplemented_nowarn; | |
4f2b1fe8 TS |
8764 | #endif |
8765 | ||
1acae9f2 | 8766 | #if defined(TARGET_NR_utimensat) |
9007f0ef TS |
8767 | case TARGET_NR_utimensat: |
8768 | { | |
ebc996f3 RV |
8769 | struct timespec *tsp, ts[2]; |
8770 | if (!arg3) { | |
8771 | tsp = NULL; | |
8772 | } else { | |
8773 | target_to_host_timespec(ts, arg3); | |
8774 | target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec)); | |
8775 | tsp = ts; | |
8776 | } | |
9007f0ef | 8777 | if (!arg2) |
ebc996f3 | 8778 | ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4)); |
9007f0ef | 8779 | else { |
579a97f7 | 8780 | if (!(p = lock_user_string(arg2))) { |
0da46a6e | 8781 | ret = -TARGET_EFAULT; |
579a97f7 FB |
8782 | goto fail; |
8783 | } | |
ebc996f3 | 8784 | ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4)); |
579a97f7 | 8785 | unlock_user(p, arg2, 0); |
9007f0ef TS |
8786 | } |
8787 | } | |
8788 | break; | |
8789 | #endif | |
bd0c5661 PB |
8790 | case TARGET_NR_futex: |
8791 | ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6); | |
8792 | break; | |
dbfe4c36 | 8793 | #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init) |
39b59763 AJ |
8794 | case TARGET_NR_inotify_init: |
8795 | ret = get_errno(sys_inotify_init()); | |
8796 | break; | |
8797 | #endif | |
a1606b0b | 8798 | #ifdef CONFIG_INOTIFY1 |
c05c7a73 RV |
8799 | #if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1) |
8800 | case TARGET_NR_inotify_init1: | |
8801 | ret = get_errno(sys_inotify_init1(arg1)); | |
8802 | break; | |
8803 | #endif | |
a1606b0b | 8804 | #endif |
dbfe4c36 | 8805 | #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch) |
39b59763 AJ |
8806 | case TARGET_NR_inotify_add_watch: |
8807 | p = lock_user_string(arg2); | |
8808 | ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3)); | |
8809 | unlock_user(p, arg2, 0); | |
8810 | break; | |
8811 | #endif | |
dbfe4c36 | 8812 | #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch) |
39b59763 AJ |
8813 | case TARGET_NR_inotify_rm_watch: |
8814 | ret = get_errno(sys_inotify_rm_watch(arg1, arg2)); | |
8815 | break; | |
8816 | #endif | |
9007f0ef | 8817 | |
8ec9cf89 | 8818 | #if defined(TARGET_NR_mq_open) && defined(__NR_mq_open) |
24e1003a AJ |
8819 | case TARGET_NR_mq_open: |
8820 | { | |
8821 | struct mq_attr posix_mq_attr; | |
8822 | ||
8823 | p = lock_user_string(arg1 - 1); | |
8824 | if (arg4 != 0) | |
8825 | copy_from_user_mq_attr (&posix_mq_attr, arg4); | |
8826 | ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr)); | |
8827 | unlock_user (p, arg1, 0); | |
8828 | } | |
8829 | break; | |
8830 | ||
8831 | case TARGET_NR_mq_unlink: | |
8832 | p = lock_user_string(arg1 - 1); | |
8833 | ret = get_errno(mq_unlink(p)); | |
8834 | unlock_user (p, arg1, 0); | |
8835 | break; | |
8836 | ||
8837 | case TARGET_NR_mq_timedsend: | |
8838 | { | |
8839 | struct timespec ts; | |
8840 | ||
8841 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
8842 | if (arg5 != 0) { | |
8843 | target_to_host_timespec(&ts, arg5); | |
8844 | ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts)); | |
8845 | host_to_target_timespec(arg5, &ts); | |
8846 | } | |
8847 | else | |
8848 | ret = get_errno(mq_send(arg1, p, arg3, arg4)); | |
8849 | unlock_user (p, arg2, arg3); | |
8850 | } | |
8851 | break; | |
8852 | ||
8853 | case TARGET_NR_mq_timedreceive: | |
8854 | { | |
8855 | struct timespec ts; | |
8856 | unsigned int prio; | |
8857 | ||
8858 | p = lock_user (VERIFY_READ, arg2, arg3, 1); | |
8859 | if (arg5 != 0) { | |
8860 | target_to_host_timespec(&ts, arg5); | |
8861 | ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts)); | |
8862 | host_to_target_timespec(arg5, &ts); | |
8863 | } | |
8864 | else | |
8865 | ret = get_errno(mq_receive(arg1, p, arg3, &prio)); | |
8866 | unlock_user (p, arg2, arg3); | |
8867 | if (arg4 != 0) | |
8868 | put_user_u32(prio, arg4); | |
8869 | } | |
8870 | break; | |
8871 | ||
8872 | /* Not implemented for now... */ | |
8873 | /* case TARGET_NR_mq_notify: */ | |
8874 | /* break; */ | |
8875 | ||
8876 | case TARGET_NR_mq_getsetattr: | |
8877 | { | |
8878 | struct mq_attr posix_mq_attr_in, posix_mq_attr_out; | |
8879 | ret = 0; | |
8880 | if (arg3 != 0) { | |
8881 | ret = mq_getattr(arg1, &posix_mq_attr_out); | |
8882 | copy_to_user_mq_attr(arg3, &posix_mq_attr_out); | |
8883 | } | |
8884 | if (arg2 != 0) { | |
8885 | copy_from_user_mq_attr(&posix_mq_attr_in, arg2); | |
8886 | ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out); | |
8887 | } | |
8888 | ||
8889 | } | |
8890 | break; | |
8891 | #endif | |
8892 | ||
3ce34dfb VS |
8893 | #ifdef CONFIG_SPLICE |
8894 | #ifdef TARGET_NR_tee | |
8895 | case TARGET_NR_tee: | |
8896 | { | |
8897 | ret = get_errno(tee(arg1,arg2,arg3,arg4)); | |
8898 | } | |
8899 | break; | |
8900 | #endif | |
8901 | #ifdef TARGET_NR_splice | |
8902 | case TARGET_NR_splice: | |
8903 | { | |
8904 | loff_t loff_in, loff_out; | |
8905 | loff_t *ploff_in = NULL, *ploff_out = NULL; | |
8906 | if(arg2) { | |
8907 | get_user_u64(loff_in, arg2); | |
8908 | ploff_in = &loff_in; | |
8909 | } | |
8910 | if(arg4) { | |
8911 | get_user_u64(loff_out, arg2); | |
8912 | ploff_out = &loff_out; | |
8913 | } | |
8914 | ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6)); | |
8915 | } | |
8916 | break; | |
8917 | #endif | |
8918 | #ifdef TARGET_NR_vmsplice | |
8919 | case TARGET_NR_vmsplice: | |
8920 | { | |
f287b2c2 RH |
8921 | struct iovec *vec = lock_iovec(VERIFY_READ, arg2, arg3, 1); |
8922 | if (vec != NULL) { | |
8923 | ret = get_errno(vmsplice(arg1, vec, arg3, arg4)); | |
8924 | unlock_iovec(vec, arg2, arg3, 0); | |
8925 | } else { | |
8926 | ret = -host_to_target_errno(errno); | |
8927 | } | |
3ce34dfb VS |
8928 | } |
8929 | break; | |
8930 | #endif | |
8931 | #endif /* CONFIG_SPLICE */ | |
c2882b96 RV |
8932 | #ifdef CONFIG_EVENTFD |
8933 | #if defined(TARGET_NR_eventfd) | |
8934 | case TARGET_NR_eventfd: | |
8935 | ret = get_errno(eventfd(arg1, 0)); | |
8936 | break; | |
8937 | #endif | |
8938 | #if defined(TARGET_NR_eventfd2) | |
8939 | case TARGET_NR_eventfd2: | |
5947c697 PJ |
8940 | { |
8941 | int host_flags = arg2 & (~(TARGET_O_NONBLOCK | TARGET_O_CLOEXEC)); | |
8942 | if (arg2 & TARGET_O_NONBLOCK) { | |
8943 | host_flags |= O_NONBLOCK; | |
8944 | } | |
8945 | if (arg2 & TARGET_O_CLOEXEC) { | |
8946 | host_flags |= O_CLOEXEC; | |
8947 | } | |
8948 | ret = get_errno(eventfd(arg1, host_flags)); | |
c2882b96 | 8949 | break; |
5947c697 | 8950 | } |
c2882b96 RV |
8951 | #endif |
8952 | #endif /* CONFIG_EVENTFD */ | |
d0927938 UH |
8953 | #if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate) |
8954 | case TARGET_NR_fallocate: | |
20249ae1 AG |
8955 | #if TARGET_ABI_BITS == 32 |
8956 | ret = get_errno(fallocate(arg1, arg2, target_offset64(arg3, arg4), | |
8957 | target_offset64(arg5, arg6))); | |
8958 | #else | |
d0927938 | 8959 | ret = get_errno(fallocate(arg1, arg2, arg3, arg4)); |
20249ae1 | 8960 | #endif |
d0927938 | 8961 | break; |
c727f47d PM |
8962 | #endif |
8963 | #if defined(CONFIG_SYNC_FILE_RANGE) | |
8964 | #if defined(TARGET_NR_sync_file_range) | |
8965 | case TARGET_NR_sync_file_range: | |
8966 | #if TARGET_ABI_BITS == 32 | |
bfcedc57 RV |
8967 | #if defined(TARGET_MIPS) |
8968 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
8969 | target_offset64(arg5, arg6), arg7)); | |
8970 | #else | |
c727f47d PM |
8971 | ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3), |
8972 | target_offset64(arg4, arg5), arg6)); | |
bfcedc57 | 8973 | #endif /* !TARGET_MIPS */ |
c727f47d PM |
8974 | #else |
8975 | ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4)); | |
8976 | #endif | |
8977 | break; | |
8978 | #endif | |
8979 | #if defined(TARGET_NR_sync_file_range2) | |
8980 | case TARGET_NR_sync_file_range2: | |
8981 | /* This is like sync_file_range but the arguments are reordered */ | |
8982 | #if TARGET_ABI_BITS == 32 | |
8983 | ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4), | |
8984 | target_offset64(arg5, arg6), arg2)); | |
8985 | #else | |
8986 | ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2)); | |
8987 | #endif | |
8988 | break; | |
8989 | #endif | |
3b6edd16 PM |
8990 | #endif |
8991 | #if defined(CONFIG_EPOLL) | |
8992 | #if defined(TARGET_NR_epoll_create) | |
8993 | case TARGET_NR_epoll_create: | |
8994 | ret = get_errno(epoll_create(arg1)); | |
8995 | break; | |
8996 | #endif | |
8997 | #if defined(TARGET_NR_epoll_create1) && defined(CONFIG_EPOLL_CREATE1) | |
8998 | case TARGET_NR_epoll_create1: | |
8999 | ret = get_errno(epoll_create1(arg1)); | |
9000 | break; | |
9001 | #endif | |
9002 | #if defined(TARGET_NR_epoll_ctl) | |
9003 | case TARGET_NR_epoll_ctl: | |
9004 | { | |
9005 | struct epoll_event ep; | |
9006 | struct epoll_event *epp = 0; | |
9007 | if (arg4) { | |
9008 | struct target_epoll_event *target_ep; | |
9009 | if (!lock_user_struct(VERIFY_READ, target_ep, arg4, 1)) { | |
9010 | goto efault; | |
9011 | } | |
9012 | ep.events = tswap32(target_ep->events); | |
9013 | /* The epoll_data_t union is just opaque data to the kernel, | |
9014 | * so we transfer all 64 bits across and need not worry what | |
9015 | * actual data type it is. | |
9016 | */ | |
9017 | ep.data.u64 = tswap64(target_ep->data.u64); | |
9018 | unlock_user_struct(target_ep, arg4, 0); | |
9019 | epp = &ep; | |
9020 | } | |
9021 | ret = get_errno(epoll_ctl(arg1, arg2, arg3, epp)); | |
9022 | break; | |
9023 | } | |
9024 | #endif | |
9025 | ||
9026 | #if defined(TARGET_NR_epoll_pwait) && defined(CONFIG_EPOLL_PWAIT) | |
9027 | #define IMPLEMENT_EPOLL_PWAIT | |
9028 | #endif | |
9029 | #if defined(TARGET_NR_epoll_wait) || defined(IMPLEMENT_EPOLL_PWAIT) | |
9030 | #if defined(TARGET_NR_epoll_wait) | |
9031 | case TARGET_NR_epoll_wait: | |
9032 | #endif | |
9033 | #if defined(IMPLEMENT_EPOLL_PWAIT) | |
9034 | case TARGET_NR_epoll_pwait: | |
9035 | #endif | |
9036 | { | |
9037 | struct target_epoll_event *target_ep; | |
9038 | struct epoll_event *ep; | |
9039 | int epfd = arg1; | |
9040 | int maxevents = arg3; | |
9041 | int timeout = arg4; | |
9042 | ||
9043 | target_ep = lock_user(VERIFY_WRITE, arg2, | |
9044 | maxevents * sizeof(struct target_epoll_event), 1); | |
9045 | if (!target_ep) { | |
9046 | goto efault; | |
9047 | } | |
9048 | ||
9049 | ep = alloca(maxevents * sizeof(struct epoll_event)); | |
9050 | ||
9051 | switch (num) { | |
9052 | #if defined(IMPLEMENT_EPOLL_PWAIT) | |
9053 | case TARGET_NR_epoll_pwait: | |
9054 | { | |
9055 | target_sigset_t *target_set; | |
9056 | sigset_t _set, *set = &_set; | |
9057 | ||
9058 | if (arg5) { | |
9059 | target_set = lock_user(VERIFY_READ, arg5, | |
9060 | sizeof(target_sigset_t), 1); | |
9061 | if (!target_set) { | |
9062 | unlock_user(target_ep, arg2, 0); | |
9063 | goto efault; | |
9064 | } | |
9065 | target_to_host_sigset(set, target_set); | |
9066 | unlock_user(target_set, arg5, 0); | |
9067 | } else { | |
9068 | set = NULL; | |
9069 | } | |
9070 | ||
9071 | ret = get_errno(epoll_pwait(epfd, ep, maxevents, timeout, set)); | |
9072 | break; | |
9073 | } | |
9074 | #endif | |
9075 | #if defined(TARGET_NR_epoll_wait) | |
9076 | case TARGET_NR_epoll_wait: | |
9077 | ret = get_errno(epoll_wait(epfd, ep, maxevents, timeout)); | |
9078 | break; | |
9079 | #endif | |
9080 | default: | |
9081 | ret = -TARGET_ENOSYS; | |
9082 | } | |
9083 | if (!is_error(ret)) { | |
9084 | int i; | |
9085 | for (i = 0; i < ret; i++) { | |
9086 | target_ep[i].events = tswap32(ep[i].events); | |
9087 | target_ep[i].data.u64 = tswap64(ep[i].data.u64); | |
9088 | } | |
9089 | } | |
9090 | unlock_user(target_ep, arg2, ret * sizeof(struct target_epoll_event)); | |
9091 | break; | |
9092 | } | |
9093 | #endif | |
163a05a8 PM |
9094 | #endif |
9095 | #ifdef TARGET_NR_prlimit64 | |
9096 | case TARGET_NR_prlimit64: | |
9097 | { | |
9098 | /* args: pid, resource number, ptr to new rlimit, ptr to old rlimit */ | |
9099 | struct target_rlimit64 *target_rnew, *target_rold; | |
9100 | struct host_rlimit64 rnew, rold, *rnewp = 0; | |
9101 | if (arg3) { | |
9102 | if (!lock_user_struct(VERIFY_READ, target_rnew, arg3, 1)) { | |
9103 | goto efault; | |
9104 | } | |
9105 | rnew.rlim_cur = tswap64(target_rnew->rlim_cur); | |
9106 | rnew.rlim_max = tswap64(target_rnew->rlim_max); | |
9107 | unlock_user_struct(target_rnew, arg3, 0); | |
9108 | rnewp = &rnew; | |
9109 | } | |
9110 | ||
9111 | ret = get_errno(sys_prlimit64(arg1, arg2, rnewp, arg4 ? &rold : 0)); | |
9112 | if (!is_error(ret) && arg4) { | |
9113 | if (!lock_user_struct(VERIFY_WRITE, target_rold, arg4, 1)) { | |
9114 | goto efault; | |
9115 | } | |
9116 | target_rold->rlim_cur = tswap64(rold.rlim_cur); | |
9117 | target_rold->rlim_max = tswap64(rold.rlim_max); | |
9118 | unlock_user_struct(target_rold, arg4, 1); | |
9119 | } | |
9120 | break; | |
9121 | } | |
3d21d29c RH |
9122 | #endif |
9123 | #ifdef TARGET_NR_gethostname | |
9124 | case TARGET_NR_gethostname: | |
9125 | { | |
9126 | char *name = lock_user(VERIFY_WRITE, arg1, arg2, 0); | |
9127 | if (name) { | |
9128 | ret = get_errno(gethostname(name, arg2)); | |
9129 | unlock_user(name, arg1, arg2); | |
9130 | } else { | |
9131 | ret = -TARGET_EFAULT; | |
9132 | } | |
9133 | break; | |
9134 | } | |
89aaf1a6 RV |
9135 | #endif |
9136 | #ifdef TARGET_NR_atomic_cmpxchg_32 | |
9137 | case TARGET_NR_atomic_cmpxchg_32: | |
9138 | { | |
9139 | /* should use start_exclusive from main.c */ | |
9140 | abi_ulong mem_value; | |
9141 | if (get_user_u32(mem_value, arg6)) { | |
9142 | target_siginfo_t info; | |
9143 | info.si_signo = SIGSEGV; | |
9144 | info.si_errno = 0; | |
9145 | info.si_code = TARGET_SEGV_MAPERR; | |
9146 | info._sifields._sigfault._addr = arg6; | |
9147 | queue_signal((CPUArchState *)cpu_env, info.si_signo, &info); | |
9148 | ret = 0xdeadbeef; | |
9149 | ||
9150 | } | |
9151 | if (mem_value == arg2) | |
9152 | put_user_u32(arg1, arg6); | |
9153 | ret = mem_value; | |
9154 | break; | |
9155 | } | |
9156 | #endif | |
9157 | #ifdef TARGET_NR_atomic_barrier | |
9158 | case TARGET_NR_atomic_barrier: | |
9159 | { | |
9160 | /* Like the kernel implementation and the qemu arm barrier, no-op this? */ | |
9161 | break; | |
9162 | } | |
d0927938 | 9163 | #endif |
31e31b8a FB |
9164 | default: |
9165 | unimplemented: | |
5cd4393b | 9166 | gemu_log("qemu: Unsupported syscall: %d\n", num); |
4f2b1fe8 | 9167 | #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list) |
5cd4393b | 9168 | unimplemented_nowarn: |
80a9d035 | 9169 | #endif |
0da46a6e | 9170 | ret = -TARGET_ENOSYS; |
31e31b8a FB |
9171 | break; |
9172 | } | |
579a97f7 | 9173 | fail: |
c573ff67 | 9174 | #ifdef DEBUG |
0bf9e31a | 9175 | gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret); |
c573ff67 | 9176 | #endif |
b92c47c1 TS |
9177 | if(do_strace) |
9178 | print_syscall_ret(num, ret); | |
31e31b8a | 9179 | return ret; |
579a97f7 FB |
9180 | efault: |
9181 | ret = -TARGET_EFAULT; | |
9182 | goto fail; | |
31e31b8a | 9183 | } |