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linux-user: fix utimensat
[qemu/ar7.git] / linux-user / syscall.c
blob9e4e061a12c1d43aa04b3053e75882380397b657
1 /*
2 * Linux syscalls
3 *
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
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21 #include <stdlib.h>
22 #include <stdio.h>
23 #include <stdarg.h>
24 #include <string.h>
25 #include <elf.h>
26 #include <endian.h>
27 #include <errno.h>
28 #include <unistd.h>
29 #include <fcntl.h>
30 #include <time.h>
31 #include <limits.h>
32 #include <mqueue.h>
33 #include <sys/types.h>
34 #include <sys/ipc.h>
35 #include <sys/msg.h>
36 #include <sys/wait.h>
37 #include <sys/time.h>
38 #include <sys/stat.h>
39 #include <sys/mount.h>
40 #include <sys/prctl.h>
41 #include <sys/resource.h>
42 #include <sys/mman.h>
43 #include <sys/swap.h>
44 #include <signal.h>
45 #include <sched.h>
46 #include <sys/socket.h>
47 #include <sys/un.h>
48 #include <sys/uio.h>
49 #include <sys/poll.h>
50 #include <sys/times.h>
51 #include <sys/shm.h>
52 #include <sys/sem.h>
53 #include <sys/statfs.h>
54 #include <utime.h>
55 #include <sys/sysinfo.h>
56 #include <sys/utsname.h>
57 //#include <sys/user.h>
58 #include <netinet/ip.h>
59 #include <netinet/tcp.h>
60 #include <qemu-common.h>
61 #ifdef HAVE_GPROF
62 #include <sys/gmon.h>
63 #endif
64
65 #define termios host_termios
66 #define winsize host_winsize
67 #define termio host_termio
68 #define sgttyb host_sgttyb /* same as target */
69 #define tchars host_tchars /* same as target */
70 #define ltchars host_ltchars /* same as target */
71
72 #include <linux/termios.h>
73 #include <linux/unistd.h>
74 #include <linux/utsname.h>
75 #include <linux/cdrom.h>
76 #include <linux/hdreg.h>
77 #include <linux/soundcard.h>
78 #include <linux/kd.h>
79 #include <linux/mtio.h>
80 #include "linux_loop.h"
81
82 #include "qemu.h"
83 #include "qemu-common.h"
84
85 #if defined(USE_NPTL)
86 #include <linux/futex.h>
87 #define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
88 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
89 #else
90 /* XXX: Hardcode the above values. */
91 #define CLONE_NPTL_FLAGS2 0
92 #endif
93
94 //#define DEBUG
95
96 //#include <linux/msdos_fs.h>
97 #define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
98 #define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
99
100
101 #undef _syscall0
102 #undef _syscall1
103 #undef _syscall2
104 #undef _syscall3
105 #undef _syscall4
106 #undef _syscall5
107 #undef _syscall6
108
109 #define _syscall0(type,name) \
110 static type name (void) \
111 { \
112 return syscall(__NR_##name); \
113 }
114
115 #define _syscall1(type,name,type1,arg1) \
116 static type name (type1 arg1) \
117 { \
118 return syscall(__NR_##name, arg1); \
119 }
120
121 #define _syscall2(type,name,type1,arg1,type2,arg2) \
122 static type name (type1 arg1,type2 arg2) \
123 { \
124 return syscall(__NR_##name, arg1, arg2); \
125 }
126
127 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
128 static type name (type1 arg1,type2 arg2,type3 arg3) \
129 { \
130 return syscall(__NR_##name, arg1, arg2, arg3); \
131 }
132
133 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
134 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
135 { \
136 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
137 }
138
139 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
140 type5,arg5) \
141 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
142 { \
143 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
144 }
145
146
147 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
148 type5,arg5,type6,arg6) \
149 static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
150 type6 arg6) \
151 { \
152 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
153 }
154
155
156 #define __NR_sys_uname __NR_uname
157 #define __NR_sys_faccessat __NR_faccessat
158 #define __NR_sys_fchmodat __NR_fchmodat
159 #define __NR_sys_fchownat __NR_fchownat
160 #define __NR_sys_fstatat64 __NR_fstatat64
161 #define __NR_sys_futimesat __NR_futimesat
162 #define __NR_sys_getcwd1 __NR_getcwd
163 #define __NR_sys_getdents __NR_getdents
164 #define __NR_sys_getdents64 __NR_getdents64
165 #define __NR_sys_getpriority __NR_getpriority
166 #define __NR_sys_linkat __NR_linkat
167 #define __NR_sys_mkdirat __NR_mkdirat
168 #define __NR_sys_mknodat __NR_mknodat
169 #define __NR_sys_newfstatat __NR_newfstatat
170 #define __NR_sys_openat __NR_openat
171 #define __NR_sys_readlinkat __NR_readlinkat
172 #define __NR_sys_renameat __NR_renameat
173 #define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
174 #define __NR_sys_symlinkat __NR_symlinkat
175 #define __NR_sys_syslog __NR_syslog
176 #define __NR_sys_tgkill __NR_tgkill
177 #define __NR_sys_tkill __NR_tkill
178 #define __NR_sys_unlinkat __NR_unlinkat
179 #define __NR_sys_utimensat __NR_utimensat
180 #define __NR_sys_futex __NR_futex
181 #define __NR_sys_inotify_init __NR_inotify_init
182 #define __NR_sys_inotify_add_watch __NR_inotify_add_watch
183 #define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
184
185 #if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
186 #define __NR__llseek __NR_lseek
187 #endif
188
189 #ifdef __NR_gettid
190 _syscall0(int, gettid)
191 #else
192 /* This is a replacement for the host gettid() and must return a host
193 errno. */
194 static int gettid(void) {
195 return -ENOSYS;
196 }
197 #endif
198 #if TARGET_ABI_BITS == 32
199 _syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
200 #endif
201 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
202 _syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
203 #endif
204 _syscall2(int, sys_getpriority, int, which, int, who);
205 #if defined(TARGET_NR__llseek) && !defined (__x86_64__)
206 _syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
207 loff_t *, res, uint, wh);
208 #endif
209 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
210 _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
211 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
212 _syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
213 #endif
214 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
215 _syscall2(int,sys_tkill,int,tid,int,sig)
216 #endif
217 #ifdef __NR_exit_group
218 _syscall1(int,exit_group,int,error_code)
219 #endif
220 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
221 _syscall1(int,set_tid_address,int *,tidptr)
222 #endif
223 #if defined(USE_NPTL)
224 #if defined(TARGET_NR_futex) && defined(__NR_futex)
225 _syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
226 const struct timespec *,timeout,int *,uaddr2,int,val3)
227 #endif
228 #endif
229
230 static bitmask_transtbl fcntl_flags_tbl[] = {
231 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
232 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
233 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
234 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
235 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
236 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
237 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
238 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
239 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
240 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
241 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
242 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
243 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
244 #if defined(O_DIRECT)
245 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
246 #endif
247 { 0, 0, 0, 0 }
248 };
249
250 #define COPY_UTSNAME_FIELD(dest, src) \
251 do { \
252 /* __NEW_UTS_LEN doesn't include terminating null */ \
253 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
254 (dest)[__NEW_UTS_LEN] = '\0'; \
255 } while (0)
256
257 static int sys_uname(struct new_utsname *buf)
258 {
259 struct utsname uts_buf;
260
261 if (uname(&uts_buf) < 0)
262 return (-1);
263
264 /*
265 * Just in case these have some differences, we
266 * translate utsname to new_utsname (which is the
267 * struct linux kernel uses).
268 */
269
270 bzero(buf, sizeof (*buf));
271 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
272 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
273 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
274 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
275 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
276 #ifdef _GNU_SOURCE
277 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
278 #endif
279 return (0);
280
281 #undef COPY_UTSNAME_FIELD
282 }
283
284 static int sys_getcwd1(char *buf, size_t size)
285 {
286 if (getcwd(buf, size) == NULL) {
287 /* getcwd() sets errno */
288 return (-1);
289 }
290 return strlen(buf)+1;
291 }
292
293 #ifdef CONFIG_ATFILE
294 /*
295 * Host system seems to have atfile syscall stubs available. We
296 * now enable them one by one as specified by target syscall_nr.h.
297 */
298
299 #ifdef TARGET_NR_faccessat
300 static int sys_faccessat(int dirfd, const char *pathname, int mode)
301 {
302 return (faccessat(dirfd, pathname, mode, 0));
303 }
304 #endif
305 #ifdef TARGET_NR_fchmodat
306 static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
307 {
308 return (fchmodat(dirfd, pathname, mode, 0));
309 }
310 #endif
311 #if defined(TARGET_NR_fchownat) && defined(USE_UID16)
312 static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
313 gid_t group, int flags)
314 {
315 return (fchownat(dirfd, pathname, owner, group, flags));
316 }
317 #endif
318 #ifdef __NR_fstatat64
319 static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
320 int flags)
321 {
322 return (fstatat(dirfd, pathname, buf, flags));
323 }
324 #endif
325 #ifdef __NR_newfstatat
326 static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
327 int flags)
328 {
329 return (fstatat(dirfd, pathname, buf, flags));
330 }
331 #endif
332 #ifdef TARGET_NR_futimesat
333 static int sys_futimesat(int dirfd, const char *pathname,
334 const struct timeval times[2])
335 {
336 return (futimesat(dirfd, pathname, times));
337 }
338 #endif
339 #ifdef TARGET_NR_linkat
340 static int sys_linkat(int olddirfd, const char *oldpath,
341 int newdirfd, const char *newpath, int flags)
342 {
343 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
344 }
345 #endif
346 #ifdef TARGET_NR_mkdirat
347 static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
348 {
349 return (mkdirat(dirfd, pathname, mode));
350 }
351 #endif
352 #ifdef TARGET_NR_mknodat
353 static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
354 dev_t dev)
355 {
356 return (mknodat(dirfd, pathname, mode, dev));
357 }
358 #endif
359 #ifdef TARGET_NR_openat
360 static int sys_openat(int dirfd, const char *pathname, int flags, ...)
361 {
362 /*
363 * open(2) has extra parameter 'mode' when called with
364 * flag O_CREAT.
365 */
366 if ((flags & O_CREAT) != 0) {
367 va_list ap;
368 mode_t mode;
369
370 /*
371 * Get the 'mode' parameter and translate it to
372 * host bits.
373 */
374 va_start(ap, flags);
375 mode = va_arg(ap, mode_t);
376 mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
377 va_end(ap);
378
379 return (openat(dirfd, pathname, flags, mode));
380 }
381 return (openat(dirfd, pathname, flags));
382 }
383 #endif
384 #ifdef TARGET_NR_readlinkat
385 static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
386 {
387 return (readlinkat(dirfd, pathname, buf, bufsiz));
388 }
389 #endif
390 #ifdef TARGET_NR_renameat
391 static int sys_renameat(int olddirfd, const char *oldpath,
392 int newdirfd, const char *newpath)
393 {
394 return (renameat(olddirfd, oldpath, newdirfd, newpath));
395 }
396 #endif
397 #ifdef TARGET_NR_symlinkat
398 static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
399 {
400 return (symlinkat(oldpath, newdirfd, newpath));
401 }
402 #endif
403 #ifdef TARGET_NR_unlinkat
404 static int sys_unlinkat(int dirfd, const char *pathname, int flags)
405 {
406 return (unlinkat(dirfd, pathname, flags));
407 }
408 #endif
409 #else /* !CONFIG_ATFILE */
410
411 /*
412 * Try direct syscalls instead
413 */
414 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
415 _syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
416 #endif
417 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
418 _syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
419 #endif
420 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
421 _syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
422 uid_t,owner,gid_t,group,int,flags)
423 #endif
424 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
425 defined(__NR_fstatat64)
426 _syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
427 struct stat *,buf,int,flags)
428 #endif
429 #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
430 _syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
431 const struct timeval *,times)
432 #endif
433 #if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
434 defined(__NR_newfstatat)
435 _syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
436 struct stat *,buf,int,flags)
437 #endif
438 #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
439 _syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
440 int,newdirfd,const char *,newpath,int,flags)
441 #endif
442 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
443 _syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
444 #endif
445 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
446 _syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
447 mode_t,mode,dev_t,dev)
448 #endif
449 #if defined(TARGET_NR_openat) && defined(__NR_openat)
450 _syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
451 #endif
452 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
453 _syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
454 char *,buf,size_t,bufsize)
455 #endif
456 #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
457 _syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
458 int,newdirfd,const char *,newpath)
459 #endif
460 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
461 _syscall3(int,sys_symlinkat,const char *,oldpath,
462 int,newdirfd,const char *,newpath)
463 #endif
464 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
465 _syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
466 #endif
467
468 #endif /* CONFIG_ATFILE */
469
470 #ifdef CONFIG_UTIMENSAT
471 static int sys_utimensat(int dirfd, const char *pathname,
472 const struct timespec times[2], int flags)
473 {
474 if (pathname == NULL)
475 return futimens(dirfd, times);
476 else
477 return utimensat(dirfd, pathname, times, flags);
478 }
479 #else
480 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
481 _syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
482 const struct timespec *,tsp,int,flags)
483 #endif
484 #endif /* CONFIG_UTIMENSAT */
485
486 #ifdef CONFIG_INOTIFY
487 #include <sys/inotify.h>
488
489 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
490 static int sys_inotify_init(void)
491 {
492 return (inotify_init());
493 }
494 #endif
495 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
496 static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
497 {
498 return (inotify_add_watch(fd, pathname, mask));
499 }
500 #endif
501 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
502 static int sys_inotify_rm_watch(int fd, int32_t wd)
503 {
504 return (inotify_rm_watch(fd, wd));
505 }
506 #endif
507 #else
508 /* Userspace can usually survive runtime without inotify */
509 #undef TARGET_NR_inotify_init
510 #undef TARGET_NR_inotify_add_watch
511 #undef TARGET_NR_inotify_rm_watch
512 #endif /* CONFIG_INOTIFY */
513
514
515 extern int personality(int);
516 extern int flock(int, int);
517 extern int setfsuid(int);
518 extern int setfsgid(int);
519 extern int setgroups(int, gid_t *);
520
521 #define ERRNO_TABLE_SIZE 1200
522
523 /* target_to_host_errno_table[] is initialized from
524 * host_to_target_errno_table[] in syscall_init(). */
525 static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
526 };
527
528 /*
529 * This list is the union of errno values overridden in asm-<arch>/errno.h
530 * minus the errnos that are not actually generic to all archs.
531 */
532 static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
533 [EIDRM] = TARGET_EIDRM,
534 [ECHRNG] = TARGET_ECHRNG,
535 [EL2NSYNC] = TARGET_EL2NSYNC,
536 [EL3HLT] = TARGET_EL3HLT,
537 [EL3RST] = TARGET_EL3RST,
538 [ELNRNG] = TARGET_ELNRNG,
539 [EUNATCH] = TARGET_EUNATCH,
540 [ENOCSI] = TARGET_ENOCSI,
541 [EL2HLT] = TARGET_EL2HLT,
542 [EDEADLK] = TARGET_EDEADLK,
543 [ENOLCK] = TARGET_ENOLCK,
544 [EBADE] = TARGET_EBADE,
545 [EBADR] = TARGET_EBADR,
546 [EXFULL] = TARGET_EXFULL,
547 [ENOANO] = TARGET_ENOANO,
548 [EBADRQC] = TARGET_EBADRQC,
549 [EBADSLT] = TARGET_EBADSLT,
550 [EBFONT] = TARGET_EBFONT,
551 [ENOSTR] = TARGET_ENOSTR,
552 [ENODATA] = TARGET_ENODATA,
553 [ETIME] = TARGET_ETIME,
554 [ENOSR] = TARGET_ENOSR,
555 [ENONET] = TARGET_ENONET,
556 [ENOPKG] = TARGET_ENOPKG,
557 [EREMOTE] = TARGET_EREMOTE,
558 [ENOLINK] = TARGET_ENOLINK,
559 [EADV] = TARGET_EADV,
560 [ESRMNT] = TARGET_ESRMNT,
561 [ECOMM] = TARGET_ECOMM,
562 [EPROTO] = TARGET_EPROTO,
563 [EDOTDOT] = TARGET_EDOTDOT,
564 [EMULTIHOP] = TARGET_EMULTIHOP,
565 [EBADMSG] = TARGET_EBADMSG,
566 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
567 [EOVERFLOW] = TARGET_EOVERFLOW,
568 [ENOTUNIQ] = TARGET_ENOTUNIQ,
569 [EBADFD] = TARGET_EBADFD,
570 [EREMCHG] = TARGET_EREMCHG,
571 [ELIBACC] = TARGET_ELIBACC,
572 [ELIBBAD] = TARGET_ELIBBAD,
573 [ELIBSCN] = TARGET_ELIBSCN,
574 [ELIBMAX] = TARGET_ELIBMAX,
575 [ELIBEXEC] = TARGET_ELIBEXEC,
576 [EILSEQ] = TARGET_EILSEQ,
577 [ENOSYS] = TARGET_ENOSYS,
578 [ELOOP] = TARGET_ELOOP,
579 [ERESTART] = TARGET_ERESTART,
580 [ESTRPIPE] = TARGET_ESTRPIPE,
581 [ENOTEMPTY] = TARGET_ENOTEMPTY,
582 [EUSERS] = TARGET_EUSERS,
583 [ENOTSOCK] = TARGET_ENOTSOCK,
584 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
585 [EMSGSIZE] = TARGET_EMSGSIZE,
586 [EPROTOTYPE] = TARGET_EPROTOTYPE,
587 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
588 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
589 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
590 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
591 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
592 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
593 [EADDRINUSE] = TARGET_EADDRINUSE,
594 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
595 [ENETDOWN] = TARGET_ENETDOWN,
596 [ENETUNREACH] = TARGET_ENETUNREACH,
597 [ENETRESET] = TARGET_ENETRESET,
598 [ECONNABORTED] = TARGET_ECONNABORTED,
599 [ECONNRESET] = TARGET_ECONNRESET,
600 [ENOBUFS] = TARGET_ENOBUFS,
601 [EISCONN] = TARGET_EISCONN,
602 [ENOTCONN] = TARGET_ENOTCONN,
603 [EUCLEAN] = TARGET_EUCLEAN,
604 [ENOTNAM] = TARGET_ENOTNAM,
605 [ENAVAIL] = TARGET_ENAVAIL,
606 [EISNAM] = TARGET_EISNAM,
607 [EREMOTEIO] = TARGET_EREMOTEIO,
608 [ESHUTDOWN] = TARGET_ESHUTDOWN,
609 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
610 [ETIMEDOUT] = TARGET_ETIMEDOUT,
611 [ECONNREFUSED] = TARGET_ECONNREFUSED,
612 [EHOSTDOWN] = TARGET_EHOSTDOWN,
613 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
614 [EALREADY] = TARGET_EALREADY,
615 [EINPROGRESS] = TARGET_EINPROGRESS,
616 [ESTALE] = TARGET_ESTALE,
617 [ECANCELED] = TARGET_ECANCELED,
618 [ENOMEDIUM] = TARGET_ENOMEDIUM,
619 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
620 #ifdef ENOKEY
621 [ENOKEY] = TARGET_ENOKEY,
622 #endif
623 #ifdef EKEYEXPIRED
624 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
625 #endif
626 #ifdef EKEYREVOKED
627 [EKEYREVOKED] = TARGET_EKEYREVOKED,
628 #endif
629 #ifdef EKEYREJECTED
630 [EKEYREJECTED] = TARGET_EKEYREJECTED,
631 #endif
632 #ifdef EOWNERDEAD
633 [EOWNERDEAD] = TARGET_EOWNERDEAD,
634 #endif
635 #ifdef ENOTRECOVERABLE
636 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
637 #endif
638 };
639
640 static inline int host_to_target_errno(int err)
641 {
642 if(host_to_target_errno_table[err])
643 return host_to_target_errno_table[err];
644 return err;
645 }
646
647 static inline int target_to_host_errno(int err)
648 {
649 if (target_to_host_errno_table[err])
650 return target_to_host_errno_table[err];
651 return err;
652 }
653
654 static inline abi_long get_errno(abi_long ret)
655 {
656 if (ret == -1)
657 return -host_to_target_errno(errno);
658 else
659 return ret;
660 }
661
662 static inline int is_error(abi_long ret)
663 {
664 return (abi_ulong)ret >= (abi_ulong)(-4096);
665 }
666
667 char *target_strerror(int err)
668 {
669 return strerror(target_to_host_errno(err));
670 }
671
672 static abi_ulong target_brk;
673 static abi_ulong target_original_brk;
674
675 void target_set_brk(abi_ulong new_brk)
676 {
677 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
678 }
679
680 /* do_brk() must return target values and target errnos. */
681 abi_long do_brk(abi_ulong new_brk)
682 {
683 abi_ulong brk_page;
684 abi_long mapped_addr;
685 int new_alloc_size;
686
687 if (!new_brk)
688 return target_brk;
689 if (new_brk < target_original_brk)
690 return target_brk;
691
692 brk_page = HOST_PAGE_ALIGN(target_brk);
693
694 /* If the new brk is less than this, set it and we're done... */
695 if (new_brk < brk_page) {
696 target_brk = new_brk;
697 return target_brk;
698 }
699
700 /* We need to allocate more memory after the brk... */
701 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
702 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
703 PROT_READ|PROT_WRITE,
704 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
705
706 if (!is_error(mapped_addr))
707 target_brk = new_brk;
708
709 return target_brk;
710 }
711
712 static inline abi_long copy_from_user_fdset(fd_set *fds,
713 abi_ulong target_fds_addr,
714 int n)
715 {
716 int i, nw, j, k;
717 abi_ulong b, *target_fds;
718
719 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
720 if (!(target_fds = lock_user(VERIFY_READ,
721 target_fds_addr,
722 sizeof(abi_ulong) * nw,
723 1)))
724 return -TARGET_EFAULT;
725
726 FD_ZERO(fds);
727 k = 0;
728 for (i = 0; i < nw; i++) {
729 /* grab the abi_ulong */
730 __get_user(b, &target_fds[i]);
731 for (j = 0; j < TARGET_ABI_BITS; j++) {
732 /* check the bit inside the abi_ulong */
733 if ((b >> j) & 1)
734 FD_SET(k, fds);
735 k++;
736 }
737 }
738
739 unlock_user(target_fds, target_fds_addr, 0);
740
741 return 0;
742 }
743
744 static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
745 const fd_set *fds,
746 int n)
747 {
748 int i, nw, j, k;
749 abi_long v;
750 abi_ulong *target_fds;
751
752 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
753 if (!(target_fds = lock_user(VERIFY_WRITE,
754 target_fds_addr,
755 sizeof(abi_ulong) * nw,
756 0)))
757 return -TARGET_EFAULT;
758
759 k = 0;
760 for (i = 0; i < nw; i++) {
761 v = 0;
762 for (j = 0; j < TARGET_ABI_BITS; j++) {
763 v |= ((FD_ISSET(k, fds) != 0) << j);
764 k++;
765 }
766 __put_user(v, &target_fds[i]);
767 }
768
769 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
770
771 return 0;
772 }
773
774 #if defined(__alpha__)
775 #define HOST_HZ 1024
776 #else
777 #define HOST_HZ 100
778 #endif
779
780 static inline abi_long host_to_target_clock_t(long ticks)
781 {
782 #if HOST_HZ == TARGET_HZ
783 return ticks;
784 #else
785 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
786 #endif
787 }
788
789 static inline abi_long host_to_target_rusage(abi_ulong target_addr,
790 const struct rusage *rusage)
791 {
792 struct target_rusage *target_rusage;
793
794 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
795 return -TARGET_EFAULT;
796 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
797 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
798 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
799 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
800 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
801 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
802 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
803 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
804 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
805 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
806 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
807 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
808 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
809 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
810 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
811 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
812 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
813 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
814 unlock_user_struct(target_rusage, target_addr, 1);
815
816 return 0;
817 }
818
819 static inline abi_long copy_from_user_timeval(struct timeval *tv,
820 abi_ulong target_tv_addr)
821 {
822 struct target_timeval *target_tv;
823
824 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
825 return -TARGET_EFAULT;
826
827 __get_user(tv->tv_sec, &target_tv->tv_sec);
828 __get_user(tv->tv_usec, &target_tv->tv_usec);
829
830 unlock_user_struct(target_tv, target_tv_addr, 0);
831
832 return 0;
833 }
834
835 static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
836 const struct timeval *tv)
837 {
838 struct target_timeval *target_tv;
839
840 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
841 return -TARGET_EFAULT;
842
843 __put_user(tv->tv_sec, &target_tv->tv_sec);
844 __put_user(tv->tv_usec, &target_tv->tv_usec);
845
846 unlock_user_struct(target_tv, target_tv_addr, 1);
847
848 return 0;
849 }
850
851 static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
852 abi_ulong target_mq_attr_addr)
853 {
854 struct target_mq_attr *target_mq_attr;
855
856 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
857 target_mq_attr_addr, 1))
858 return -TARGET_EFAULT;
859
860 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
861 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
862 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
863 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
864
865 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
866
867 return 0;
868 }
869
870 static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
871 const struct mq_attr *attr)
872 {
873 struct target_mq_attr *target_mq_attr;
874
875 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
876 target_mq_attr_addr, 0))
877 return -TARGET_EFAULT;
878
879 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
880 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
881 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
882 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
883
884 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
885
886 return 0;
887 }
888
889 /* do_select() must return target values and target errnos. */
890 static abi_long do_select(int n,
891 abi_ulong rfd_addr, abi_ulong wfd_addr,
892 abi_ulong efd_addr, abi_ulong target_tv_addr)
893 {
894 fd_set rfds, wfds, efds;
895 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
896 struct timeval tv, *tv_ptr;
897 abi_long ret;
898
899 if (rfd_addr) {
900 if (copy_from_user_fdset(&rfds, rfd_addr, n))
901 return -TARGET_EFAULT;
902 rfds_ptr = &rfds;
903 } else {
904 rfds_ptr = NULL;
905 }
906 if (wfd_addr) {
907 if (copy_from_user_fdset(&wfds, wfd_addr, n))
908 return -TARGET_EFAULT;
909 wfds_ptr = &wfds;
910 } else {
911 wfds_ptr = NULL;
912 }
913 if (efd_addr) {
914 if (copy_from_user_fdset(&efds, efd_addr, n))
915 return -TARGET_EFAULT;
916 efds_ptr = &efds;
917 } else {
918 efds_ptr = NULL;
919 }
920
921 if (target_tv_addr) {
922 if (copy_from_user_timeval(&tv, target_tv_addr))
923 return -TARGET_EFAULT;
924 tv_ptr = &tv;
925 } else {
926 tv_ptr = NULL;
927 }
928
929 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
930
931 if (!is_error(ret)) {
932 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
933 return -TARGET_EFAULT;
934 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
935 return -TARGET_EFAULT;
936 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
937 return -TARGET_EFAULT;
938
939 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
940 return -TARGET_EFAULT;
941 }
942
943 return ret;
944 }
945
946 static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
947 abi_ulong target_addr,
948 socklen_t len)
949 {
950 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
951 sa_family_t sa_family;
952 struct target_sockaddr *target_saddr;
953
954 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
955 if (!target_saddr)
956 return -TARGET_EFAULT;
957
958 sa_family = tswap16(target_saddr->sa_family);
959
960 /* Oops. The caller might send a incomplete sun_path; sun_path
961 * must be terminated by \0 (see the manual page), but
962 * unfortunately it is quite common to specify sockaddr_un
963 * length as "strlen(x->sun_path)" while it should be
964 * "strlen(...) + 1". We'll fix that here if needed.
965 * Linux kernel has a similar feature.
966 */
967
968 if (sa_family == AF_UNIX) {
969 if (len < unix_maxlen && len > 0) {
970 char *cp = (char*)target_saddr;
971
972 if ( cp[len-1] && !cp[len] )
973 len++;
974 }
975 if (len > unix_maxlen)
976 len = unix_maxlen;
977 }
978
979 memcpy(addr, target_saddr, len);
980 addr->sa_family = sa_family;
981 unlock_user(target_saddr, target_addr, 0);
982
983 return 0;
984 }
985
986 static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
987 struct sockaddr *addr,
988 socklen_t len)
989 {
990 struct target_sockaddr *target_saddr;
991
992 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
993 if (!target_saddr)
994 return -TARGET_EFAULT;
995 memcpy(target_saddr, addr, len);
996 target_saddr->sa_family = tswap16(addr->sa_family);
997 unlock_user(target_saddr, target_addr, len);
998
999 return 0;
1000 }
1001
1002 /* ??? Should this also swap msgh->name? */
1003 static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1004 struct target_msghdr *target_msgh)
1005 {
1006 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1007 abi_long msg_controllen;
1008 abi_ulong target_cmsg_addr;
1009 struct target_cmsghdr *target_cmsg;
1010 socklen_t space = 0;
1011
1012 msg_controllen = tswapl(target_msgh->msg_controllen);
1013 if (msg_controllen < sizeof (struct target_cmsghdr))
1014 goto the_end;
1015 target_cmsg_addr = tswapl(target_msgh->msg_control);
1016 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1017 if (!target_cmsg)
1018 return -TARGET_EFAULT;
1019
1020 while (cmsg && target_cmsg) {
1021 void *data = CMSG_DATA(cmsg);
1022 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1023
1024 int len = tswapl(target_cmsg->cmsg_len)
1025 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1026
1027 space += CMSG_SPACE(len);
1028 if (space > msgh->msg_controllen) {
1029 space -= CMSG_SPACE(len);
1030 gemu_log("Host cmsg overflow\n");
1031 break;
1032 }
1033
1034 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1035 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1036 cmsg->cmsg_len = CMSG_LEN(len);
1037
1038 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1039 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1040 memcpy(data, target_data, len);
1041 } else {
1042 int *fd = (int *)data;
1043 int *target_fd = (int *)target_data;
1044 int i, numfds = len / sizeof(int);
1045
1046 for (i = 0; i < numfds; i++)
1047 fd[i] = tswap32(target_fd[i]);
1048 }
1049
1050 cmsg = CMSG_NXTHDR(msgh, cmsg);
1051 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1052 }
1053 unlock_user(target_cmsg, target_cmsg_addr, 0);
1054 the_end:
1055 msgh->msg_controllen = space;
1056 return 0;
1057 }
1058
1059 /* ??? Should this also swap msgh->name? */
1060 static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1061 struct msghdr *msgh)
1062 {
1063 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
1064 abi_long msg_controllen;
1065 abi_ulong target_cmsg_addr;
1066 struct target_cmsghdr *target_cmsg;
1067 socklen_t space = 0;
1068
1069 msg_controllen = tswapl(target_msgh->msg_controllen);
1070 if (msg_controllen < sizeof (struct target_cmsghdr))
1071 goto the_end;
1072 target_cmsg_addr = tswapl(target_msgh->msg_control);
1073 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1074 if (!target_cmsg)
1075 return -TARGET_EFAULT;
1076
1077 while (cmsg && target_cmsg) {
1078 void *data = CMSG_DATA(cmsg);
1079 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1080
1081 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1082
1083 space += TARGET_CMSG_SPACE(len);
1084 if (space > msg_controllen) {
1085 space -= TARGET_CMSG_SPACE(len);
1086 gemu_log("Target cmsg overflow\n");
1087 break;
1088 }
1089
1090 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1091 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1092 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1093
1094 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
1095 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1096 memcpy(target_data, data, len);
1097 } else {
1098 int *fd = (int *)data;
1099 int *target_fd = (int *)target_data;
1100 int i, numfds = len / sizeof(int);
1101
1102 for (i = 0; i < numfds; i++)
1103 target_fd[i] = tswap32(fd[i]);
1104 }
1105
1106 cmsg = CMSG_NXTHDR(msgh, cmsg);
1107 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1108 }
1109 unlock_user(target_cmsg, target_cmsg_addr, space);
1110 the_end:
1111 target_msgh->msg_controllen = tswapl(space);
1112 return 0;
1113 }
1114
1115 /* do_setsockopt() Must return target values and target errnos. */
1116 static abi_long do_setsockopt(int sockfd, int level, int optname,
1117 abi_ulong optval_addr, socklen_t optlen)
1118 {
1119 abi_long ret;
1120 int val;
1121
1122 switch(level) {
1123 case SOL_TCP:
1124 /* TCP options all take an 'int' value. */
1125 if (optlen < sizeof(uint32_t))
1126 return -TARGET_EINVAL;
1127
1128 if (get_user_u32(val, optval_addr))
1129 return -TARGET_EFAULT;
1130 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1131 break;
1132 case SOL_IP:
1133 switch(optname) {
1134 case IP_TOS:
1135 case IP_TTL:
1136 case IP_HDRINCL:
1137 case IP_ROUTER_ALERT:
1138 case IP_RECVOPTS:
1139 case IP_RETOPTS:
1140 case IP_PKTINFO:
1141 case IP_MTU_DISCOVER:
1142 case IP_RECVERR:
1143 case IP_RECVTOS:
1144 #ifdef IP_FREEBIND
1145 case IP_FREEBIND:
1146 #endif
1147 case IP_MULTICAST_TTL:
1148 case IP_MULTICAST_LOOP:
1149 val = 0;
1150 if (optlen >= sizeof(uint32_t)) {
1151 if (get_user_u32(val, optval_addr))
1152 return -TARGET_EFAULT;
1153 } else if (optlen >= 1) {
1154 if (get_user_u8(val, optval_addr))
1155 return -TARGET_EFAULT;
1156 }
1157 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1158 break;
1159 default:
1160 goto unimplemented;
1161 }
1162 break;
1163 case TARGET_SOL_SOCKET:
1164 switch (optname) {
1165 /* Options with 'int' argument. */
1166 case TARGET_SO_DEBUG:
1167 optname = SO_DEBUG;
1168 break;
1169 case TARGET_SO_REUSEADDR:
1170 optname = SO_REUSEADDR;
1171 break;
1172 case TARGET_SO_TYPE:
1173 optname = SO_TYPE;
1174 break;
1175 case TARGET_SO_ERROR:
1176 optname = SO_ERROR;
1177 break;
1178 case TARGET_SO_DONTROUTE:
1179 optname = SO_DONTROUTE;
1180 break;
1181 case TARGET_SO_BROADCAST:
1182 optname = SO_BROADCAST;
1183 break;
1184 case TARGET_SO_SNDBUF:
1185 optname = SO_SNDBUF;
1186 break;
1187 case TARGET_SO_RCVBUF:
1188 optname = SO_RCVBUF;
1189 break;
1190 case TARGET_SO_KEEPALIVE:
1191 optname = SO_KEEPALIVE;
1192 break;
1193 case TARGET_SO_OOBINLINE:
1194 optname = SO_OOBINLINE;
1195 break;
1196 case TARGET_SO_NO_CHECK:
1197 optname = SO_NO_CHECK;
1198 break;
1199 case TARGET_SO_PRIORITY:
1200 optname = SO_PRIORITY;
1201 break;
1202 #ifdef SO_BSDCOMPAT
1203 case TARGET_SO_BSDCOMPAT:
1204 optname = SO_BSDCOMPAT;
1205 break;
1206 #endif
1207 case TARGET_SO_PASSCRED:
1208 optname = SO_PASSCRED;
1209 break;
1210 case TARGET_SO_TIMESTAMP:
1211 optname = SO_TIMESTAMP;
1212 break;
1213 case TARGET_SO_RCVLOWAT:
1214 optname = SO_RCVLOWAT;
1215 break;
1216 case TARGET_SO_RCVTIMEO:
1217 optname = SO_RCVTIMEO;
1218 break;
1219 case TARGET_SO_SNDTIMEO:
1220 optname = SO_SNDTIMEO;
1221 break;
1222 break;
1223 default:
1224 goto unimplemented;
1225 }
1226 if (optlen < sizeof(uint32_t))
1227 return -TARGET_EINVAL;
1228
1229 if (get_user_u32(val, optval_addr))
1230 return -TARGET_EFAULT;
1231 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
1232 break;
1233 default:
1234 unimplemented:
1235 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
1236 ret = -TARGET_ENOPROTOOPT;
1237 }
1238 return ret;
1239 }
1240
1241 /* do_getsockopt() Must return target values and target errnos. */
1242 static abi_long do_getsockopt(int sockfd, int level, int optname,
1243 abi_ulong optval_addr, abi_ulong optlen)
1244 {
1245 abi_long ret;
1246 int len, val;
1247 socklen_t lv;
1248
1249 switch(level) {
1250 case TARGET_SOL_SOCKET:
1251 level = SOL_SOCKET;
1252 switch (optname) {
1253 case TARGET_SO_LINGER:
1254 case TARGET_SO_RCVTIMEO:
1255 case TARGET_SO_SNDTIMEO:
1256 case TARGET_SO_PEERCRED:
1257 case TARGET_SO_PEERNAME:
1258 /* These don't just return a single integer */
1259 goto unimplemented;
1260 default:
1261 goto int_case;
1262 }
1263 break;
1264 case SOL_TCP:
1265 /* TCP options all take an 'int' value. */
1266 int_case:
1267 if (get_user_u32(len, optlen))
1268 return -TARGET_EFAULT;
1269 if (len < 0)
1270 return -TARGET_EINVAL;
1271 lv = sizeof(int);
1272 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1273 if (ret < 0)
1274 return ret;
1275 val = tswap32(val);
1276 if (len > lv)
1277 len = lv;
1278 if (len == 4) {
1279 if (put_user_u32(val, optval_addr))
1280 return -TARGET_EFAULT;
1281 } else {
1282 if (put_user_u8(val, optval_addr))
1283 return -TARGET_EFAULT;
1284 }
1285 if (put_user_u32(len, optlen))
1286 return -TARGET_EFAULT;
1287 break;
1288 case SOL_IP:
1289 switch(optname) {
1290 case IP_TOS:
1291 case IP_TTL:
1292 case IP_HDRINCL:
1293 case IP_ROUTER_ALERT:
1294 case IP_RECVOPTS:
1295 case IP_RETOPTS:
1296 case IP_PKTINFO:
1297 case IP_MTU_DISCOVER:
1298 case IP_RECVERR:
1299 case IP_RECVTOS:
1300 #ifdef IP_FREEBIND
1301 case IP_FREEBIND:
1302 #endif
1303 case IP_MULTICAST_TTL:
1304 case IP_MULTICAST_LOOP:
1305 if (get_user_u32(len, optlen))
1306 return -TARGET_EFAULT;
1307 if (len < 0)
1308 return -TARGET_EINVAL;
1309 lv = sizeof(int);
1310 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1311 if (ret < 0)
1312 return ret;
1313 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
1314 len = 1;
1315 if (put_user_u32(len, optlen)
1316 || put_user_u8(val, optval_addr))
1317 return -TARGET_EFAULT;
1318 } else {
1319 if (len > sizeof(int))
1320 len = sizeof(int);
1321 if (put_user_u32(len, optlen)
1322 || put_user_u32(val, optval_addr))
1323 return -TARGET_EFAULT;
1324 }
1325 break;
1326 default:
1327 ret = -TARGET_ENOPROTOOPT;
1328 break;
1329 }
1330 break;
1331 default:
1332 unimplemented:
1333 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1334 level, optname);
1335 ret = -TARGET_EOPNOTSUPP;
1336 break;
1337 }
1338 return ret;
1339 }
1340
1341 /* FIXME
1342 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1343 * other lock functions have a return code of 0 for failure.
1344 */
1345 static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1346 int count, int copy)
1347 {
1348 struct target_iovec *target_vec;
1349 abi_ulong base;
1350 int i;
1351
1352 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1353 if (!target_vec)
1354 return -TARGET_EFAULT;
1355 for(i = 0;i < count; i++) {
1356 base = tswapl(target_vec[i].iov_base);
1357 vec[i].iov_len = tswapl(target_vec[i].iov_len);
1358 if (vec[i].iov_len != 0) {
1359 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
1360 /* Don't check lock_user return value. We must call writev even
1361 if a element has invalid base address. */
1362 } else {
1363 /* zero length pointer is ignored */
1364 vec[i].iov_base = NULL;
1365 }
1366 }
1367 unlock_user (target_vec, target_addr, 0);
1368 return 0;
1369 }
1370
1371 static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1372 int count, int copy)
1373 {
1374 struct target_iovec *target_vec;
1375 abi_ulong base;
1376 int i;
1377
1378 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1379 if (!target_vec)
1380 return -TARGET_EFAULT;
1381 for(i = 0;i < count; i++) {
1382 if (target_vec[i].iov_base) {
1383 base = tswapl(target_vec[i].iov_base);
1384 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1385 }
1386 }
1387 unlock_user (target_vec, target_addr, 0);
1388
1389 return 0;
1390 }
1391
1392 /* do_socket() Must return target values and target errnos. */
1393 static abi_long do_socket(int domain, int type, int protocol)
1394 {
1395 #if defined(TARGET_MIPS)
1396 switch(type) {
1397 case TARGET_SOCK_DGRAM:
1398 type = SOCK_DGRAM;
1399 break;
1400 case TARGET_SOCK_STREAM:
1401 type = SOCK_STREAM;
1402 break;
1403 case TARGET_SOCK_RAW:
1404 type = SOCK_RAW;
1405 break;
1406 case TARGET_SOCK_RDM:
1407 type = SOCK_RDM;
1408 break;
1409 case TARGET_SOCK_SEQPACKET:
1410 type = SOCK_SEQPACKET;
1411 break;
1412 case TARGET_SOCK_PACKET:
1413 type = SOCK_PACKET;
1414 break;
1415 }
1416 #endif
1417 if (domain == PF_NETLINK)
1418 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
1419 return get_errno(socket(domain, type, protocol));
1420 }
1421
1422 /* do_bind() Must return target values and target errnos. */
1423 static abi_long do_bind(int sockfd, abi_ulong target_addr,
1424 socklen_t addrlen)
1425 {
1426 void *addr;
1427
1428 if (addrlen < 0)
1429 return -TARGET_EINVAL;
1430
1431 addr = alloca(addrlen+1);
1432
1433 target_to_host_sockaddr(addr, target_addr, addrlen);
1434 return get_errno(bind(sockfd, addr, addrlen));
1435 }
1436
1437 /* do_connect() Must return target values and target errnos. */
1438 static abi_long do_connect(int sockfd, abi_ulong target_addr,
1439 socklen_t addrlen)
1440 {
1441 void *addr;
1442
1443 if (addrlen < 0)
1444 return -TARGET_EINVAL;
1445
1446 addr = alloca(addrlen);
1447
1448 target_to_host_sockaddr(addr, target_addr, addrlen);
1449 return get_errno(connect(sockfd, addr, addrlen));
1450 }
1451
1452 /* do_sendrecvmsg() Must return target values and target errnos. */
1453 static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1454 int flags, int send)
1455 {
1456 abi_long ret, len;
1457 struct target_msghdr *msgp;
1458 struct msghdr msg;
1459 int count;
1460 struct iovec *vec;
1461 abi_ulong target_vec;
1462
1463 /* FIXME */
1464 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1465 msgp,
1466 target_msg,
1467 send ? 1 : 0))
1468 return -TARGET_EFAULT;
1469 if (msgp->msg_name) {
1470 msg.msg_namelen = tswap32(msgp->msg_namelen);
1471 msg.msg_name = alloca(msg.msg_namelen);
1472 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1473 msg.msg_namelen);
1474 } else {
1475 msg.msg_name = NULL;
1476 msg.msg_namelen = 0;
1477 }
1478 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1479 msg.msg_control = alloca(msg.msg_controllen);
1480 msg.msg_flags = tswap32(msgp->msg_flags);
1481
1482 count = tswapl(msgp->msg_iovlen);
1483 vec = alloca(count * sizeof(struct iovec));
1484 target_vec = tswapl(msgp->msg_iov);
1485 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
1486 msg.msg_iovlen = count;
1487 msg.msg_iov = vec;
1488
1489 if (send) {
1490 ret = target_to_host_cmsg(&msg, msgp);
1491 if (ret == 0)
1492 ret = get_errno(sendmsg(fd, &msg, flags));
1493 } else {
1494 ret = get_errno(recvmsg(fd, &msg, flags));
1495 if (!is_error(ret)) {
1496 len = ret;
1497 ret = host_to_target_cmsg(msgp, &msg);
1498 if (!is_error(ret))
1499 ret = len;
1500 }
1501 }
1502 unlock_iovec(vec, target_vec, count, !send);
1503 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1504 return ret;
1505 }
1506
1507 /* do_accept() Must return target values and target errnos. */
1508 static abi_long do_accept(int fd, abi_ulong target_addr,
1509 abi_ulong target_addrlen_addr)
1510 {
1511 socklen_t addrlen;
1512 void *addr;
1513 abi_long ret;
1514
1515 if (get_user_u32(addrlen, target_addrlen_addr))
1516 return -TARGET_EFAULT;
1517
1518 if (addrlen < 0)
1519 return -TARGET_EINVAL;
1520
1521 addr = alloca(addrlen);
1522
1523 ret = get_errno(accept(fd, addr, &addrlen));
1524 if (!is_error(ret)) {
1525 host_to_target_sockaddr(target_addr, addr, addrlen);
1526 if (put_user_u32(addrlen, target_addrlen_addr))
1527 ret = -TARGET_EFAULT;
1528 }
1529 return ret;
1530 }
1531
1532 /* do_getpeername() Must return target values and target errnos. */
1533 static abi_long do_getpeername(int fd, abi_ulong target_addr,
1534 abi_ulong target_addrlen_addr)
1535 {
1536 socklen_t addrlen;
1537 void *addr;
1538 abi_long ret;
1539
1540 if (get_user_u32(addrlen, target_addrlen_addr))
1541 return -TARGET_EFAULT;
1542
1543 if (addrlen < 0)
1544 return -TARGET_EINVAL;
1545
1546 addr = alloca(addrlen);
1547
1548 ret = get_errno(getpeername(fd, addr, &addrlen));
1549 if (!is_error(ret)) {
1550 host_to_target_sockaddr(target_addr, addr, addrlen);
1551 if (put_user_u32(addrlen, target_addrlen_addr))
1552 ret = -TARGET_EFAULT;
1553 }
1554 return ret;
1555 }
1556
1557 /* do_getsockname() Must return target values and target errnos. */
1558 static abi_long do_getsockname(int fd, abi_ulong target_addr,
1559 abi_ulong target_addrlen_addr)
1560 {
1561 socklen_t addrlen;
1562 void *addr;
1563 abi_long ret;
1564
1565 if (target_addr == 0)
1566 return get_errno(accept(fd, NULL, NULL));
1567
1568 if (get_user_u32(addrlen, target_addrlen_addr))
1569 return -TARGET_EFAULT;
1570
1571 if (addrlen < 0)
1572 return -TARGET_EINVAL;
1573
1574 addr = alloca(addrlen);
1575
1576 ret = get_errno(getsockname(fd, addr, &addrlen));
1577 if (!is_error(ret)) {
1578 host_to_target_sockaddr(target_addr, addr, addrlen);
1579 if (put_user_u32(addrlen, target_addrlen_addr))
1580 ret = -TARGET_EFAULT;
1581 }
1582 return ret;
1583 }
1584
1585 /* do_socketpair() Must return target values and target errnos. */
1586 static abi_long do_socketpair(int domain, int type, int protocol,
1587 abi_ulong target_tab_addr)
1588 {
1589 int tab[2];
1590 abi_long ret;
1591
1592 ret = get_errno(socketpair(domain, type, protocol, tab));
1593 if (!is_error(ret)) {
1594 if (put_user_s32(tab[0], target_tab_addr)
1595 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1596 ret = -TARGET_EFAULT;
1597 }
1598 return ret;
1599 }
1600
1601 /* do_sendto() Must return target values and target errnos. */
1602 static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1603 abi_ulong target_addr, socklen_t addrlen)
1604 {
1605 void *addr;
1606 void *host_msg;
1607 abi_long ret;
1608
1609 if (addrlen < 0)
1610 return -TARGET_EINVAL;
1611
1612 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1613 if (!host_msg)
1614 return -TARGET_EFAULT;
1615 if (target_addr) {
1616 addr = alloca(addrlen);
1617 target_to_host_sockaddr(addr, target_addr, addrlen);
1618 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1619 } else {
1620 ret = get_errno(send(fd, host_msg, len, flags));
1621 }
1622 unlock_user(host_msg, msg, 0);
1623 return ret;
1624 }
1625
1626 /* do_recvfrom() Must return target values and target errnos. */
1627 static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1628 abi_ulong target_addr,
1629 abi_ulong target_addrlen)
1630 {
1631 socklen_t addrlen;
1632 void *addr;
1633 void *host_msg;
1634 abi_long ret;
1635
1636 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1637 if (!host_msg)
1638 return -TARGET_EFAULT;
1639 if (target_addr) {
1640 if (get_user_u32(addrlen, target_addrlen)) {
1641 ret = -TARGET_EFAULT;
1642 goto fail;
1643 }
1644 if (addrlen < 0) {
1645 ret = -TARGET_EINVAL;
1646 goto fail;
1647 }
1648 addr = alloca(addrlen);
1649 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1650 } else {
1651 addr = NULL; /* To keep compiler quiet. */
1652 ret = get_errno(recv(fd, host_msg, len, flags));
1653 }
1654 if (!is_error(ret)) {
1655 if (target_addr) {
1656 host_to_target_sockaddr(target_addr, addr, addrlen);
1657 if (put_user_u32(addrlen, target_addrlen)) {
1658 ret = -TARGET_EFAULT;
1659 goto fail;
1660 }
1661 }
1662 unlock_user(host_msg, msg, len);
1663 } else {
1664 fail:
1665 unlock_user(host_msg, msg, 0);
1666 }
1667 return ret;
1668 }
1669
1670 #ifdef TARGET_NR_socketcall
1671 /* do_socketcall() Must return target values and target errnos. */
1672 static abi_long do_socketcall(int num, abi_ulong vptr)
1673 {
1674 abi_long ret;
1675 const int n = sizeof(abi_ulong);
1676
1677 switch(num) {
1678 case SOCKOP_socket:
1679 {
1680 int domain, type, protocol;
1681
1682 if (get_user_s32(domain, vptr)
1683 || get_user_s32(type, vptr + n)
1684 || get_user_s32(protocol, vptr + 2 * n))
1685 return -TARGET_EFAULT;
1686
1687 ret = do_socket(domain, type, protocol);
1688 }
1689 break;
1690 case SOCKOP_bind:
1691 {
1692 int sockfd;
1693 abi_ulong target_addr;
1694 socklen_t addrlen;
1695
1696 if (get_user_s32(sockfd, vptr)
1697 || get_user_ual(target_addr, vptr + n)
1698 || get_user_u32(addrlen, vptr + 2 * n))
1699 return -TARGET_EFAULT;
1700
1701 ret = do_bind(sockfd, target_addr, addrlen);
1702 }
1703 break;
1704 case SOCKOP_connect:
1705 {
1706 int sockfd;
1707 abi_ulong target_addr;
1708 socklen_t addrlen;
1709
1710 if (get_user_s32(sockfd, vptr)
1711 || get_user_ual(target_addr, vptr + n)
1712 || get_user_u32(addrlen, vptr + 2 * n))
1713 return -TARGET_EFAULT;
1714
1715 ret = do_connect(sockfd, target_addr, addrlen);
1716 }
1717 break;
1718 case SOCKOP_listen:
1719 {
1720 int sockfd, backlog;
1721
1722 if (get_user_s32(sockfd, vptr)
1723 || get_user_s32(backlog, vptr + n))
1724 return -TARGET_EFAULT;
1725
1726 ret = get_errno(listen(sockfd, backlog));
1727 }
1728 break;
1729 case SOCKOP_accept:
1730 {
1731 int sockfd;
1732 abi_ulong target_addr, target_addrlen;
1733
1734 if (get_user_s32(sockfd, vptr)
1735 || get_user_ual(target_addr, vptr + n)
1736 || get_user_u32(target_addrlen, vptr + 2 * n))
1737 return -TARGET_EFAULT;
1738
1739 ret = do_accept(sockfd, target_addr, target_addrlen);
1740 }
1741 break;
1742 case SOCKOP_getsockname:
1743 {
1744 int sockfd;
1745 abi_ulong target_addr, target_addrlen;
1746
1747 if (get_user_s32(sockfd, vptr)
1748 || get_user_ual(target_addr, vptr + n)
1749 || get_user_u32(target_addrlen, vptr + 2 * n))
1750 return -TARGET_EFAULT;
1751
1752 ret = do_getsockname(sockfd, target_addr, target_addrlen);
1753 }
1754 break;
1755 case SOCKOP_getpeername:
1756 {
1757 int sockfd;
1758 abi_ulong target_addr, target_addrlen;
1759
1760 if (get_user_s32(sockfd, vptr)
1761 || get_user_ual(target_addr, vptr + n)
1762 || get_user_u32(target_addrlen, vptr + 2 * n))
1763 return -TARGET_EFAULT;
1764
1765 ret = do_getpeername(sockfd, target_addr, target_addrlen);
1766 }
1767 break;
1768 case SOCKOP_socketpair:
1769 {
1770 int domain, type, protocol;
1771 abi_ulong tab;
1772
1773 if (get_user_s32(domain, vptr)
1774 || get_user_s32(type, vptr + n)
1775 || get_user_s32(protocol, vptr + 2 * n)
1776 || get_user_ual(tab, vptr + 3 * n))
1777 return -TARGET_EFAULT;
1778
1779 ret = do_socketpair(domain, type, protocol, tab);
1780 }
1781 break;
1782 case SOCKOP_send:
1783 {
1784 int sockfd;
1785 abi_ulong msg;
1786 size_t len;
1787 int flags;
1788
1789 if (get_user_s32(sockfd, vptr)
1790 || get_user_ual(msg, vptr + n)
1791 || get_user_ual(len, vptr + 2 * n)
1792 || get_user_s32(flags, vptr + 3 * n))
1793 return -TARGET_EFAULT;
1794
1795 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
1796 }
1797 break;
1798 case SOCKOP_recv:
1799 {
1800 int sockfd;
1801 abi_ulong msg;
1802 size_t len;
1803 int flags;
1804
1805 if (get_user_s32(sockfd, vptr)
1806 || get_user_ual(msg, vptr + n)
1807 || get_user_ual(len, vptr + 2 * n)
1808 || get_user_s32(flags, vptr + 3 * n))
1809 return -TARGET_EFAULT;
1810
1811 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
1812 }
1813 break;
1814 case SOCKOP_sendto:
1815 {
1816 int sockfd;
1817 abi_ulong msg;
1818 size_t len;
1819 int flags;
1820 abi_ulong addr;
1821 socklen_t addrlen;
1822
1823 if (get_user_s32(sockfd, vptr)
1824 || get_user_ual(msg, vptr + n)
1825 || get_user_ual(len, vptr + 2 * n)
1826 || get_user_s32(flags, vptr + 3 * n)
1827 || get_user_ual(addr, vptr + 4 * n)
1828 || get_user_u32(addrlen, vptr + 5 * n))
1829 return -TARGET_EFAULT;
1830
1831 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
1832 }
1833 break;
1834 case SOCKOP_recvfrom:
1835 {
1836 int sockfd;
1837 abi_ulong msg;
1838 size_t len;
1839 int flags;
1840 abi_ulong addr;
1841 socklen_t addrlen;
1842
1843 if (get_user_s32(sockfd, vptr)
1844 || get_user_ual(msg, vptr + n)
1845 || get_user_ual(len, vptr + 2 * n)
1846 || get_user_s32(flags, vptr + 3 * n)
1847 || get_user_ual(addr, vptr + 4 * n)
1848 || get_user_u32(addrlen, vptr + 5 * n))
1849 return -TARGET_EFAULT;
1850
1851 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
1852 }
1853 break;
1854 case SOCKOP_shutdown:
1855 {
1856 int sockfd, how;
1857
1858 if (get_user_s32(sockfd, vptr)
1859 || get_user_s32(how, vptr + n))
1860 return -TARGET_EFAULT;
1861
1862 ret = get_errno(shutdown(sockfd, how));
1863 }
1864 break;
1865 case SOCKOP_sendmsg:
1866 case SOCKOP_recvmsg:
1867 {
1868 int fd;
1869 abi_ulong target_msg;
1870 int flags;
1871
1872 if (get_user_s32(fd, vptr)
1873 || get_user_ual(target_msg, vptr + n)
1874 || get_user_s32(flags, vptr + 2 * n))
1875 return -TARGET_EFAULT;
1876
1877 ret = do_sendrecvmsg(fd, target_msg, flags,
1878 (num == SOCKOP_sendmsg));
1879 }
1880 break;
1881 case SOCKOP_setsockopt:
1882 {
1883 int sockfd;
1884 int level;
1885 int optname;
1886 abi_ulong optval;
1887 socklen_t optlen;
1888
1889 if (get_user_s32(sockfd, vptr)
1890 || get_user_s32(level, vptr + n)
1891 || get_user_s32(optname, vptr + 2 * n)
1892 || get_user_ual(optval, vptr + 3 * n)
1893 || get_user_u32(optlen, vptr + 4 * n))
1894 return -TARGET_EFAULT;
1895
1896 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1897 }
1898 break;
1899 case SOCKOP_getsockopt:
1900 {
1901 int sockfd;
1902 int level;
1903 int optname;
1904 abi_ulong optval;
1905 socklen_t optlen;
1906
1907 if (get_user_s32(sockfd, vptr)
1908 || get_user_s32(level, vptr + n)
1909 || get_user_s32(optname, vptr + 2 * n)
1910 || get_user_ual(optval, vptr + 3 * n)
1911 || get_user_u32(optlen, vptr + 4 * n))
1912 return -TARGET_EFAULT;
1913
1914 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
1915 }
1916 break;
1917 default:
1918 gemu_log("Unsupported socketcall: %d\n", num);
1919 ret = -TARGET_ENOSYS;
1920 break;
1921 }
1922 return ret;
1923 }
1924 #endif
1925
1926 #define N_SHM_REGIONS 32
1927
1928 static struct shm_region {
1929 abi_ulong start;
1930 abi_ulong size;
1931 } shm_regions[N_SHM_REGIONS];
1932
1933 struct target_ipc_perm
1934 {
1935 abi_long __key;
1936 abi_ulong uid;
1937 abi_ulong gid;
1938 abi_ulong cuid;
1939 abi_ulong cgid;
1940 unsigned short int mode;
1941 unsigned short int __pad1;
1942 unsigned short int __seq;
1943 unsigned short int __pad2;
1944 abi_ulong __unused1;
1945 abi_ulong __unused2;
1946 };
1947
1948 struct target_semid_ds
1949 {
1950 struct target_ipc_perm sem_perm;
1951 abi_ulong sem_otime;
1952 abi_ulong __unused1;
1953 abi_ulong sem_ctime;
1954 abi_ulong __unused2;
1955 abi_ulong sem_nsems;
1956 abi_ulong __unused3;
1957 abi_ulong __unused4;
1958 };
1959
1960 static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
1961 abi_ulong target_addr)
1962 {
1963 struct target_ipc_perm *target_ip;
1964 struct target_semid_ds *target_sd;
1965
1966 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1967 return -TARGET_EFAULT;
1968 target_ip=&(target_sd->sem_perm);
1969 host_ip->__key = tswapl(target_ip->__key);
1970 host_ip->uid = tswapl(target_ip->uid);
1971 host_ip->gid = tswapl(target_ip->gid);
1972 host_ip->cuid = tswapl(target_ip->cuid);
1973 host_ip->cgid = tswapl(target_ip->cgid);
1974 host_ip->mode = tswapl(target_ip->mode);
1975 unlock_user_struct(target_sd, target_addr, 0);
1976 return 0;
1977 }
1978
1979 static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
1980 struct ipc_perm *host_ip)
1981 {
1982 struct target_ipc_perm *target_ip;
1983 struct target_semid_ds *target_sd;
1984
1985 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1986 return -TARGET_EFAULT;
1987 target_ip = &(target_sd->sem_perm);
1988 target_ip->__key = tswapl(host_ip->__key);
1989 target_ip->uid = tswapl(host_ip->uid);
1990 target_ip->gid = tswapl(host_ip->gid);
1991 target_ip->cuid = tswapl(host_ip->cuid);
1992 target_ip->cgid = tswapl(host_ip->cgid);
1993 target_ip->mode = tswapl(host_ip->mode);
1994 unlock_user_struct(target_sd, target_addr, 1);
1995 return 0;
1996 }
1997
1998 static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
1999 abi_ulong target_addr)
2000 {
2001 struct target_semid_ds *target_sd;
2002
2003 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2004 return -TARGET_EFAULT;
2005 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2006 return -TARGET_EFAULT;
2007 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2008 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2009 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2010 unlock_user_struct(target_sd, target_addr, 0);
2011 return 0;
2012 }
2013
2014 static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2015 struct semid_ds *host_sd)
2016 {
2017 struct target_semid_ds *target_sd;
2018
2019 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2020 return -TARGET_EFAULT;
2021 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2022 return -TARGET_EFAULT;;
2023 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2024 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2025 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2026 unlock_user_struct(target_sd, target_addr, 1);
2027 return 0;
2028 }
2029
2030 struct target_seminfo {
2031 int semmap;
2032 int semmni;
2033 int semmns;
2034 int semmnu;
2035 int semmsl;
2036 int semopm;
2037 int semume;
2038 int semusz;
2039 int semvmx;
2040 int semaem;
2041 };
2042
2043 static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2044 struct seminfo *host_seminfo)
2045 {
2046 struct target_seminfo *target_seminfo;
2047 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2048 return -TARGET_EFAULT;
2049 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2050 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2051 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2052 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2053 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2054 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2055 __put_user(host_seminfo->semume, &target_seminfo->semume);
2056 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2057 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2058 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2059 unlock_user_struct(target_seminfo, target_addr, 1);
2060 return 0;
2061 }
2062
2063 union semun {
2064 int val;
2065 struct semid_ds *buf;
2066 unsigned short *array;
2067 struct seminfo *__buf;
2068 };
2069
2070 union target_semun {
2071 int val;
2072 abi_ulong buf;
2073 abi_ulong array;
2074 abi_ulong __buf;
2075 };
2076
2077 static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2078 abi_ulong target_addr)
2079 {
2080 int nsems;
2081 unsigned short *array;
2082 union semun semun;
2083 struct semid_ds semid_ds;
2084 int i, ret;
2085
2086 semun.buf = &semid_ds;
2087
2088 ret = semctl(semid, 0, IPC_STAT, semun);
2089 if (ret == -1)
2090 return get_errno(ret);
2091
2092 nsems = semid_ds.sem_nsems;
2093
2094 *host_array = malloc(nsems*sizeof(unsigned short));
2095 array = lock_user(VERIFY_READ, target_addr,
2096 nsems*sizeof(unsigned short), 1);
2097 if (!array)
2098 return -TARGET_EFAULT;
2099
2100 for(i=0; i<nsems; i++) {
2101 __get_user((*host_array)[i], &array[i]);
2102 }
2103 unlock_user(array, target_addr, 0);
2104
2105 return 0;
2106 }
2107
2108 static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2109 unsigned short **host_array)
2110 {
2111 int nsems;
2112 unsigned short *array;
2113 union semun semun;
2114 struct semid_ds semid_ds;
2115 int i, ret;
2116
2117 semun.buf = &semid_ds;
2118
2119 ret = semctl(semid, 0, IPC_STAT, semun);
2120 if (ret == -1)
2121 return get_errno(ret);
2122
2123 nsems = semid_ds.sem_nsems;
2124
2125 array = lock_user(VERIFY_WRITE, target_addr,
2126 nsems*sizeof(unsigned short), 0);
2127 if (!array)
2128 return -TARGET_EFAULT;
2129
2130 for(i=0; i<nsems; i++) {
2131 __put_user((*host_array)[i], &array[i]);
2132 }
2133 free(*host_array);
2134 unlock_user(array, target_addr, 1);
2135
2136 return 0;
2137 }
2138
2139 static inline abi_long do_semctl(int semid, int semnum, int cmd,
2140 union target_semun target_su)
2141 {
2142 union semun arg;
2143 struct semid_ds dsarg;
2144 unsigned short *array;
2145 struct seminfo seminfo;
2146 abi_long ret = -TARGET_EINVAL;
2147 abi_long err;
2148 cmd &= 0xff;
2149
2150 switch( cmd ) {
2151 case GETVAL:
2152 case SETVAL:
2153 arg.val = tswapl(target_su.val);
2154 ret = get_errno(semctl(semid, semnum, cmd, arg));
2155 target_su.val = tswapl(arg.val);
2156 break;
2157 case GETALL:
2158 case SETALL:
2159 err = target_to_host_semarray(semid, &array, target_su.array);
2160 if (err)
2161 return err;
2162 arg.array = array;
2163 ret = get_errno(semctl(semid, semnum, cmd, arg));
2164 err = host_to_target_semarray(semid, target_su.array, &array);
2165 if (err)
2166 return err;
2167 break;
2168 case IPC_STAT:
2169 case IPC_SET:
2170 case SEM_STAT:
2171 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2172 if (err)
2173 return err;
2174 arg.buf = &dsarg;
2175 ret = get_errno(semctl(semid, semnum, cmd, arg));
2176 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2177 if (err)
2178 return err;
2179 break;
2180 case IPC_INFO:
2181 case SEM_INFO:
2182 arg.__buf = &seminfo;
2183 ret = get_errno(semctl(semid, semnum, cmd, arg));
2184 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2185 if (err)
2186 return err;
2187 break;
2188 case IPC_RMID:
2189 case GETPID:
2190 case GETNCNT:
2191 case GETZCNT:
2192 ret = get_errno(semctl(semid, semnum, cmd, NULL));
2193 break;
2194 }
2195
2196 return ret;
2197 }
2198
2199 struct target_sembuf {
2200 unsigned short sem_num;
2201 short sem_op;
2202 short sem_flg;
2203 };
2204
2205 static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2206 abi_ulong target_addr,
2207 unsigned nsops)
2208 {
2209 struct target_sembuf *target_sembuf;
2210 int i;
2211
2212 target_sembuf = lock_user(VERIFY_READ, target_addr,
2213 nsops*sizeof(struct target_sembuf), 1);
2214 if (!target_sembuf)
2215 return -TARGET_EFAULT;
2216
2217 for(i=0; i<nsops; i++) {
2218 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2219 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2220 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2221 }
2222
2223 unlock_user(target_sembuf, target_addr, 0);
2224
2225 return 0;
2226 }
2227
2228 static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2229 {
2230 struct sembuf sops[nsops];
2231
2232 if (target_to_host_sembuf(sops, ptr, nsops))
2233 return -TARGET_EFAULT;
2234
2235 return semop(semid, sops, nsops);
2236 }
2237
2238 struct target_msqid_ds
2239 {
2240 struct target_ipc_perm msg_perm;
2241 abi_ulong msg_stime;
2242 #if TARGET_ABI_BITS == 32
2243 abi_ulong __unused1;
2244 #endif
2245 abi_ulong msg_rtime;
2246 #if TARGET_ABI_BITS == 32
2247 abi_ulong __unused2;
2248 #endif
2249 abi_ulong msg_ctime;
2250 #if TARGET_ABI_BITS == 32
2251 abi_ulong __unused3;
2252 #endif
2253 abi_ulong __msg_cbytes;
2254 abi_ulong msg_qnum;
2255 abi_ulong msg_qbytes;
2256 abi_ulong msg_lspid;
2257 abi_ulong msg_lrpid;
2258 abi_ulong __unused4;
2259 abi_ulong __unused5;
2260 };
2261
2262 static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2263 abi_ulong target_addr)
2264 {
2265 struct target_msqid_ds *target_md;
2266
2267 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2268 return -TARGET_EFAULT;
2269 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2270 return -TARGET_EFAULT;
2271 host_md->msg_stime = tswapl(target_md->msg_stime);
2272 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2273 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2274 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2275 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2276 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2277 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2278 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2279 unlock_user_struct(target_md, target_addr, 0);
2280 return 0;
2281 }
2282
2283 static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2284 struct msqid_ds *host_md)
2285 {
2286 struct target_msqid_ds *target_md;
2287
2288 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2289 return -TARGET_EFAULT;
2290 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2291 return -TARGET_EFAULT;
2292 target_md->msg_stime = tswapl(host_md->msg_stime);
2293 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2294 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2295 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2296 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2297 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2298 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2299 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2300 unlock_user_struct(target_md, target_addr, 1);
2301 return 0;
2302 }
2303
2304 struct target_msginfo {
2305 int msgpool;
2306 int msgmap;
2307 int msgmax;
2308 int msgmnb;
2309 int msgmni;
2310 int msgssz;
2311 int msgtql;
2312 unsigned short int msgseg;
2313 };
2314
2315 static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2316 struct msginfo *host_msginfo)
2317 {
2318 struct target_msginfo *target_msginfo;
2319 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2320 return -TARGET_EFAULT;
2321 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2322 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2323 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2324 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2325 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2326 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2327 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2328 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2329 unlock_user_struct(target_msginfo, target_addr, 1);
2330 return 0;
2331 }
2332
2333 static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
2334 {
2335 struct msqid_ds dsarg;
2336 struct msginfo msginfo;
2337 abi_long ret = -TARGET_EINVAL;
2338
2339 cmd &= 0xff;
2340
2341 switch (cmd) {
2342 case IPC_STAT:
2343 case IPC_SET:
2344 case MSG_STAT:
2345 if (target_to_host_msqid_ds(&dsarg,ptr))
2346 return -TARGET_EFAULT;
2347 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2348 if (host_to_target_msqid_ds(ptr,&dsarg))
2349 return -TARGET_EFAULT;
2350 break;
2351 case IPC_RMID:
2352 ret = get_errno(msgctl(msgid, cmd, NULL));
2353 break;
2354 case IPC_INFO:
2355 case MSG_INFO:
2356 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2357 if (host_to_target_msginfo(ptr, &msginfo))
2358 return -TARGET_EFAULT;
2359 break;
2360 }
2361
2362 return ret;
2363 }
2364
2365 struct target_msgbuf {
2366 abi_long mtype;
2367 char mtext[1];
2368 };
2369
2370 static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2371 unsigned int msgsz, int msgflg)
2372 {
2373 struct target_msgbuf *target_mb;
2374 struct msgbuf *host_mb;
2375 abi_long ret = 0;
2376
2377 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2378 return -TARGET_EFAULT;
2379 host_mb = malloc(msgsz+sizeof(long));
2380 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2381 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
2382 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2383 free(host_mb);
2384 unlock_user_struct(target_mb, msgp, 0);
2385
2386 return ret;
2387 }
2388
2389 static inline abi_long do_msgrcv(int msqid, abi_long msgp,
2390 unsigned int msgsz, abi_long msgtyp,
2391 int msgflg)
2392 {
2393 struct target_msgbuf *target_mb;
2394 char *target_mtext;
2395 struct msgbuf *host_mb;
2396 abi_long ret = 0;
2397
2398 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2399 return -TARGET_EFAULT;
2400
2401 host_mb = malloc(msgsz+sizeof(long));
2402 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2403
2404 if (ret > 0) {
2405 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2406 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2407 if (!target_mtext) {
2408 ret = -TARGET_EFAULT;
2409 goto end;
2410 }
2411 memcpy(target_mb->mtext, host_mb->mtext, ret);
2412 unlock_user(target_mtext, target_mtext_addr, ret);
2413 }
2414
2415 target_mb->mtype = tswapl(host_mb->mtype);
2416 free(host_mb);
2417
2418 end:
2419 if (target_mb)
2420 unlock_user_struct(target_mb, msgp, 1);
2421 return ret;
2422 }
2423
2424 struct target_shmid_ds
2425 {
2426 struct target_ipc_perm shm_perm;
2427 abi_ulong shm_segsz;
2428 abi_ulong shm_atime;
2429 #if TARGET_ABI_BITS == 32
2430 abi_ulong __unused1;
2431 #endif
2432 abi_ulong shm_dtime;
2433 #if TARGET_ABI_BITS == 32
2434 abi_ulong __unused2;
2435 #endif
2436 abi_ulong shm_ctime;
2437 #if TARGET_ABI_BITS == 32
2438 abi_ulong __unused3;
2439 #endif
2440 int shm_cpid;
2441 int shm_lpid;
2442 abi_ulong shm_nattch;
2443 unsigned long int __unused4;
2444 unsigned long int __unused5;
2445 };
2446
2447 static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2448 abi_ulong target_addr)
2449 {
2450 struct target_shmid_ds *target_sd;
2451
2452 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2453 return -TARGET_EFAULT;
2454 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2455 return -TARGET_EFAULT;
2456 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2457 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2458 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2459 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2460 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2461 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2462 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2463 unlock_user_struct(target_sd, target_addr, 0);
2464 return 0;
2465 }
2466
2467 static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2468 struct shmid_ds *host_sd)
2469 {
2470 struct target_shmid_ds *target_sd;
2471
2472 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2473 return -TARGET_EFAULT;
2474 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2475 return -TARGET_EFAULT;
2476 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2477 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2478 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2479 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2480 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2481 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2482 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2483 unlock_user_struct(target_sd, target_addr, 1);
2484 return 0;
2485 }
2486
2487 struct target_shminfo {
2488 abi_ulong shmmax;
2489 abi_ulong shmmin;
2490 abi_ulong shmmni;
2491 abi_ulong shmseg;
2492 abi_ulong shmall;
2493 };
2494
2495 static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2496 struct shminfo *host_shminfo)
2497 {
2498 struct target_shminfo *target_shminfo;
2499 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2500 return -TARGET_EFAULT;
2501 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2502 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2503 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2504 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2505 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2506 unlock_user_struct(target_shminfo, target_addr, 1);
2507 return 0;
2508 }
2509
2510 struct target_shm_info {
2511 int used_ids;
2512 abi_ulong shm_tot;
2513 abi_ulong shm_rss;
2514 abi_ulong shm_swp;
2515 abi_ulong swap_attempts;
2516 abi_ulong swap_successes;
2517 };
2518
2519 static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2520 struct shm_info *host_shm_info)
2521 {
2522 struct target_shm_info *target_shm_info;
2523 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2524 return -TARGET_EFAULT;
2525 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2526 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2527 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2528 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2529 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2530 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2531 unlock_user_struct(target_shm_info, target_addr, 1);
2532 return 0;
2533 }
2534
2535 static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2536 {
2537 struct shmid_ds dsarg;
2538 struct shminfo shminfo;
2539 struct shm_info shm_info;
2540 abi_long ret = -TARGET_EINVAL;
2541
2542 cmd &= 0xff;
2543
2544 switch(cmd) {
2545 case IPC_STAT:
2546 case IPC_SET:
2547 case SHM_STAT:
2548 if (target_to_host_shmid_ds(&dsarg, buf))
2549 return -TARGET_EFAULT;
2550 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2551 if (host_to_target_shmid_ds(buf, &dsarg))
2552 return -TARGET_EFAULT;
2553 break;
2554 case IPC_INFO:
2555 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2556 if (host_to_target_shminfo(buf, &shminfo))
2557 return -TARGET_EFAULT;
2558 break;
2559 case SHM_INFO:
2560 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2561 if (host_to_target_shm_info(buf, &shm_info))
2562 return -TARGET_EFAULT;
2563 break;
2564 case IPC_RMID:
2565 case SHM_LOCK:
2566 case SHM_UNLOCK:
2567 ret = get_errno(shmctl(shmid, cmd, NULL));
2568 break;
2569 }
2570
2571 return ret;
2572 }
2573
2574 static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2575 {
2576 abi_long raddr;
2577 void *host_raddr;
2578 struct shmid_ds shm_info;
2579 int i,ret;
2580
2581 /* find out the length of the shared memory segment */
2582 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2583 if (is_error(ret)) {
2584 /* can't get length, bail out */
2585 return ret;
2586 }
2587
2588 mmap_lock();
2589
2590 if (shmaddr)
2591 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2592 else {
2593 abi_ulong mmap_start;
2594
2595 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2596
2597 if (mmap_start == -1) {
2598 errno = ENOMEM;
2599 host_raddr = (void *)-1;
2600 } else
2601 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2602 }
2603
2604 if (host_raddr == (void *)-1) {
2605 mmap_unlock();
2606 return get_errno((long)host_raddr);
2607 }
2608 raddr=h2g((unsigned long)host_raddr);
2609
2610 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2611 PAGE_VALID | PAGE_READ |
2612 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2613
2614 for (i = 0; i < N_SHM_REGIONS; i++) {
2615 if (shm_regions[i].start == 0) {
2616 shm_regions[i].start = raddr;
2617 shm_regions[i].size = shm_info.shm_segsz;
2618 break;
2619 }
2620 }
2621
2622 mmap_unlock();
2623 return raddr;
2624
2625 }
2626
2627 static inline abi_long do_shmdt(abi_ulong shmaddr)
2628 {
2629 int i;
2630
2631 for (i = 0; i < N_SHM_REGIONS; ++i) {
2632 if (shm_regions[i].start == shmaddr) {
2633 shm_regions[i].start = 0;
2634 page_set_flags(shmaddr, shm_regions[i].size, 0);
2635 break;
2636 }
2637 }
2638
2639 return get_errno(shmdt(g2h(shmaddr)));
2640 }
2641
2642 #ifdef TARGET_NR_ipc
2643 /* ??? This only works with linear mappings. */
2644 /* do_ipc() must return target values and target errnos. */
2645 static abi_long do_ipc(unsigned int call, int first,
2646 int second, int third,
2647 abi_long ptr, abi_long fifth)
2648 {
2649 int version;
2650 abi_long ret = 0;
2651
2652 version = call >> 16;
2653 call &= 0xffff;
2654
2655 switch (call) {
2656 case IPCOP_semop:
2657 ret = do_semop(first, ptr, second);
2658 break;
2659
2660 case IPCOP_semget:
2661 ret = get_errno(semget(first, second, third));
2662 break;
2663
2664 case IPCOP_semctl:
2665 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
2666 break;
2667
2668 case IPCOP_msgget:
2669 ret = get_errno(msgget(first, second));
2670 break;
2671
2672 case IPCOP_msgsnd:
2673 ret = do_msgsnd(first, ptr, second, third);
2674 break;
2675
2676 case IPCOP_msgctl:
2677 ret = do_msgctl(first, second, ptr);
2678 break;
2679
2680 case IPCOP_msgrcv:
2681 switch (version) {
2682 case 0:
2683 {
2684 struct target_ipc_kludge {
2685 abi_long msgp;
2686 abi_long msgtyp;
2687 } *tmp;
2688
2689 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2690 ret = -TARGET_EFAULT;
2691 break;
2692 }
2693
2694 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
2695
2696 unlock_user_struct(tmp, ptr, 0);
2697 break;
2698 }
2699 default:
2700 ret = do_msgrcv(first, ptr, second, fifth, third);
2701 }
2702 break;
2703
2704 case IPCOP_shmat:
2705 switch (version) {
2706 default:
2707 {
2708 abi_ulong raddr;
2709 raddr = do_shmat(first, ptr, second);
2710 if (is_error(raddr))
2711 return get_errno(raddr);
2712 if (put_user_ual(raddr, third))
2713 return -TARGET_EFAULT;
2714 break;
2715 }
2716 case 1:
2717 ret = -TARGET_EINVAL;
2718 break;
2719 }
2720 break;
2721 case IPCOP_shmdt:
2722 ret = do_shmdt(ptr);
2723 break;
2724
2725 case IPCOP_shmget:
2726 /* IPC_* flag values are the same on all linux platforms */
2727 ret = get_errno(shmget(first, second, third));
2728 break;
2729
2730 /* IPC_* and SHM_* command values are the same on all linux platforms */
2731 case IPCOP_shmctl:
2732 ret = do_shmctl(first, second, third);
2733 break;
2734 default:
2735 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
2736 ret = -TARGET_ENOSYS;
2737 break;
2738 }
2739 return ret;
2740 }
2741 #endif
2742
2743 /* kernel structure types definitions */
2744 #define IFNAMSIZ 16
2745
2746 #define STRUCT(name, ...) STRUCT_ ## name,
2747 #define STRUCT_SPECIAL(name) STRUCT_ ## name,
2748 enum {
2749 #include "syscall_types.h"
2750 };
2751 #undef STRUCT
2752 #undef STRUCT_SPECIAL
2753
2754 #define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
2755 #define STRUCT_SPECIAL(name)
2756 #include "syscall_types.h"
2757 #undef STRUCT
2758 #undef STRUCT_SPECIAL
2759
2760 typedef struct IOCTLEntry {
2761 unsigned int target_cmd;
2762 unsigned int host_cmd;
2763 const char *name;
2764 int access;
2765 const argtype arg_type[5];
2766 } IOCTLEntry;
2767
2768 #define IOC_R 0x0001
2769 #define IOC_W 0x0002
2770 #define IOC_RW (IOC_R | IOC_W)
2771
2772 #define MAX_STRUCT_SIZE 4096
2773
2774 static IOCTLEntry ioctl_entries[] = {
2775 #define IOCTL(cmd, access, ...) \
2776 { TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } },
2777 #include "ioctls.h"
2778 { 0, 0, },
2779 };
2780
2781 /* ??? Implement proper locking for ioctls. */
2782 /* do_ioctl() Must return target values and target errnos. */
2783 static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
2784 {
2785 const IOCTLEntry *ie;
2786 const argtype *arg_type;
2787 abi_long ret;
2788 uint8_t buf_temp[MAX_STRUCT_SIZE];
2789 int target_size;
2790 void *argptr;
2791
2792 ie = ioctl_entries;
2793 for(;;) {
2794 if (ie->target_cmd == 0) {
2795 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
2796 return -TARGET_ENOSYS;
2797 }
2798 if (ie->target_cmd == cmd)
2799 break;
2800 ie++;
2801 }
2802 arg_type = ie->arg_type;
2803 #if defined(DEBUG)
2804 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
2805 #endif
2806 switch(arg_type[0]) {
2807 case TYPE_NULL:
2808 /* no argument */
2809 ret = get_errno(ioctl(fd, ie->host_cmd));
2810 break;
2811 case TYPE_PTRVOID:
2812 case TYPE_INT:
2813 /* int argment */
2814 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2815 break;
2816 case TYPE_PTR:
2817 arg_type++;
2818 target_size = thunk_type_size(arg_type, 0);
2819 switch(ie->access) {
2820 case IOC_R:
2821 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2822 if (!is_error(ret)) {
2823 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2824 if (!argptr)
2825 return -TARGET_EFAULT;
2826 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2827 unlock_user(argptr, arg, target_size);
2828 }
2829 break;
2830 case IOC_W:
2831 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2832 if (!argptr)
2833 return -TARGET_EFAULT;
2834 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2835 unlock_user(argptr, arg, 0);
2836 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2837 break;
2838 default:
2839 case IOC_RW:
2840 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2841 if (!argptr)
2842 return -TARGET_EFAULT;
2843 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2844 unlock_user(argptr, arg, 0);
2845 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2846 if (!is_error(ret)) {
2847 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2848 if (!argptr)
2849 return -TARGET_EFAULT;
2850 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2851 unlock_user(argptr, arg, target_size);
2852 }
2853 break;
2854 }
2855 break;
2856 default:
2857 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2858 (long)cmd, arg_type[0]);
2859 ret = -TARGET_ENOSYS;
2860 break;
2861 }
2862 return ret;
2863 }
2864
2865 static const bitmask_transtbl iflag_tbl[] = {
2866 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2867 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2868 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2869 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2870 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2871 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2872 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2873 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2874 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2875 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2876 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2877 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2878 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2879 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2880 { 0, 0, 0, 0 }
2881 };
2882
2883 static const bitmask_transtbl oflag_tbl[] = {
2884 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2885 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2886 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2887 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2888 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2889 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2890 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2891 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2892 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2893 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2894 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2895 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2896 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2897 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
2898 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
2899 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
2900 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
2901 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
2902 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
2903 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
2904 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
2905 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
2906 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
2907 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
2908 { 0, 0, 0, 0 }
2909 };
2910
2911 static const bitmask_transtbl cflag_tbl[] = {
2912 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
2913 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
2914 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
2915 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
2916 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
2917 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
2918 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
2919 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
2920 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
2921 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
2922 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
2923 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
2924 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
2925 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
2926 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
2927 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
2928 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
2929 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
2930 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
2931 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
2932 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
2933 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
2934 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
2935 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
2936 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
2937 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
2938 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
2939 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
2940 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
2941 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
2942 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
2943 { 0, 0, 0, 0 }
2944 };
2945
2946 static const bitmask_transtbl lflag_tbl[] = {
2947 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
2948 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
2949 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
2950 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
2951 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
2952 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
2953 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
2954 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
2955 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
2956 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
2957 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
2958 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
2959 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
2960 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
2961 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
2962 { 0, 0, 0, 0 }
2963 };
2964
2965 static void target_to_host_termios (void *dst, const void *src)
2966 {
2967 struct host_termios *host = dst;
2968 const struct target_termios *target = src;
2969
2970 host->c_iflag =
2971 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
2972 host->c_oflag =
2973 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
2974 host->c_cflag =
2975 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
2976 host->c_lflag =
2977 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
2978 host->c_line = target->c_line;
2979
2980 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
2981 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
2982 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
2983 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
2984 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
2985 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
2986 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
2987 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
2988 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
2989 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
2990 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
2991 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
2992 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
2993 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
2994 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
2995 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
2996 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
2997 }
2998
2999 static void host_to_target_termios (void *dst, const void *src)
3000 {
3001 struct target_termios *target = dst;
3002 const struct host_termios *host = src;
3003
3004 target->c_iflag =
3005 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
3006 target->c_oflag =
3007 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
3008 target->c_cflag =
3009 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
3010 target->c_lflag =
3011 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3012 target->c_line = host->c_line;
3013
3014 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3015 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3016 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3017 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3018 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3019 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3020 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3021 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3022 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3023 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3024 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3025 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3026 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3027 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3028 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3029 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3030 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3031 }
3032
3033 static const StructEntry struct_termios_def = {
3034 .convert = { host_to_target_termios, target_to_host_termios },
3035 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3036 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3037 };
3038
3039 static bitmask_transtbl mmap_flags_tbl[] = {
3040 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3041 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3042 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3043 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3044 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3045 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3046 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3047 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3048 { 0, 0, 0, 0 }
3049 };
3050
3051 #if defined(TARGET_I386)
3052
3053 /* NOTE: there is really one LDT for all the threads */
3054 static uint8_t *ldt_table;
3055
3056 static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
3057 {
3058 int size;
3059 void *p;
3060
3061 if (!ldt_table)
3062 return 0;
3063 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3064 if (size > bytecount)
3065 size = bytecount;
3066 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3067 if (!p)
3068 return -TARGET_EFAULT;
3069 /* ??? Should this by byteswapped? */
3070 memcpy(p, ldt_table, size);
3071 unlock_user(p, ptr, size);
3072 return size;
3073 }
3074
3075 /* XXX: add locking support */
3076 static abi_long write_ldt(CPUX86State *env,
3077 abi_ulong ptr, unsigned long bytecount, int oldmode)
3078 {
3079 struct target_modify_ldt_ldt_s ldt_info;
3080 struct target_modify_ldt_ldt_s *target_ldt_info;
3081 int seg_32bit, contents, read_exec_only, limit_in_pages;
3082 int seg_not_present, useable, lm;
3083 uint32_t *lp, entry_1, entry_2;
3084
3085 if (bytecount != sizeof(ldt_info))
3086 return -TARGET_EINVAL;
3087 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
3088 return -TARGET_EFAULT;
3089 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3090 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3091 ldt_info.limit = tswap32(target_ldt_info->limit);
3092 ldt_info.flags = tswap32(target_ldt_info->flags);
3093 unlock_user_struct(target_ldt_info, ptr, 0);
3094
3095 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
3096 return -TARGET_EINVAL;
3097 seg_32bit = ldt_info.flags & 1;
3098 contents = (ldt_info.flags >> 1) & 3;
3099 read_exec_only = (ldt_info.flags >> 3) & 1;
3100 limit_in_pages = (ldt_info.flags >> 4) & 1;
3101 seg_not_present = (ldt_info.flags >> 5) & 1;
3102 useable = (ldt_info.flags >> 6) & 1;
3103 #ifdef TARGET_ABI32
3104 lm = 0;
3105 #else
3106 lm = (ldt_info.flags >> 7) & 1;
3107 #endif
3108 if (contents == 3) {
3109 if (oldmode)
3110 return -TARGET_EINVAL;
3111 if (seg_not_present == 0)
3112 return -TARGET_EINVAL;
3113 }
3114 /* allocate the LDT */
3115 if (!ldt_table) {
3116 env->ldt.base = target_mmap(0,
3117 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3118 PROT_READ|PROT_WRITE,
3119 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3120 if (env->ldt.base == -1)
3121 return -TARGET_ENOMEM;
3122 memset(g2h(env->ldt.base), 0,
3123 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
3124 env->ldt.limit = 0xffff;
3125 ldt_table = g2h(env->ldt.base);
3126 }
3127
3128 /* NOTE: same code as Linux kernel */
3129 /* Allow LDTs to be cleared by the user. */
3130 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3131 if (oldmode ||
3132 (contents == 0 &&
3133 read_exec_only == 1 &&
3134 seg_32bit == 0 &&
3135 limit_in_pages == 0 &&
3136 seg_not_present == 1 &&
3137 useable == 0 )) {
3138 entry_1 = 0;
3139 entry_2 = 0;
3140 goto install;
3141 }
3142 }
3143
3144 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3145 (ldt_info.limit & 0x0ffff);
3146 entry_2 = (ldt_info.base_addr & 0xff000000) |
3147 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3148 (ldt_info.limit & 0xf0000) |
3149 ((read_exec_only ^ 1) << 9) |
3150 (contents << 10) |
3151 ((seg_not_present ^ 1) << 15) |
3152 (seg_32bit << 22) |
3153 (limit_in_pages << 23) |
3154 (lm << 21) |
3155 0x7000;
3156 if (!oldmode)
3157 entry_2 |= (useable << 20);
3158
3159 /* Install the new entry ... */
3160 install:
3161 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3162 lp[0] = tswap32(entry_1);
3163 lp[1] = tswap32(entry_2);
3164 return 0;
3165 }
3166
3167 /* specific and weird i386 syscalls */
3168 static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3169 unsigned long bytecount)
3170 {
3171 abi_long ret;
3172
3173 switch (func) {
3174 case 0:
3175 ret = read_ldt(ptr, bytecount);
3176 break;
3177 case 1:
3178 ret = write_ldt(env, ptr, bytecount, 1);
3179 break;
3180 case 0x11:
3181 ret = write_ldt(env, ptr, bytecount, 0);
3182 break;
3183 default:
3184 ret = -TARGET_ENOSYS;
3185 break;
3186 }
3187 return ret;
3188 }
3189
3190 #if defined(TARGET_I386) && defined(TARGET_ABI32)
3191 static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
3192 {
3193 uint64_t *gdt_table = g2h(env->gdt.base);
3194 struct target_modify_ldt_ldt_s ldt_info;
3195 struct target_modify_ldt_ldt_s *target_ldt_info;
3196 int seg_32bit, contents, read_exec_only, limit_in_pages;
3197 int seg_not_present, useable, lm;
3198 uint32_t *lp, entry_1, entry_2;
3199 int i;
3200
3201 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3202 if (!target_ldt_info)
3203 return -TARGET_EFAULT;
3204 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3205 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3206 ldt_info.limit = tswap32(target_ldt_info->limit);
3207 ldt_info.flags = tswap32(target_ldt_info->flags);
3208 if (ldt_info.entry_number == -1) {
3209 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3210 if (gdt_table[i] == 0) {
3211 ldt_info.entry_number = i;
3212 target_ldt_info->entry_number = tswap32(i);
3213 break;
3214 }
3215 }
3216 }
3217 unlock_user_struct(target_ldt_info, ptr, 1);
3218
3219 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3220 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3221 return -TARGET_EINVAL;
3222 seg_32bit = ldt_info.flags & 1;
3223 contents = (ldt_info.flags >> 1) & 3;
3224 read_exec_only = (ldt_info.flags >> 3) & 1;
3225 limit_in_pages = (ldt_info.flags >> 4) & 1;
3226 seg_not_present = (ldt_info.flags >> 5) & 1;
3227 useable = (ldt_info.flags >> 6) & 1;
3228 #ifdef TARGET_ABI32
3229 lm = 0;
3230 #else
3231 lm = (ldt_info.flags >> 7) & 1;
3232 #endif
3233
3234 if (contents == 3) {
3235 if (seg_not_present == 0)
3236 return -TARGET_EINVAL;
3237 }
3238
3239 /* NOTE: same code as Linux kernel */
3240 /* Allow LDTs to be cleared by the user. */
3241 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3242 if ((contents == 0 &&
3243 read_exec_only == 1 &&
3244 seg_32bit == 0 &&
3245 limit_in_pages == 0 &&
3246 seg_not_present == 1 &&
3247 useable == 0 )) {
3248 entry_1 = 0;
3249 entry_2 = 0;
3250 goto install;
3251 }
3252 }
3253
3254 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3255 (ldt_info.limit & 0x0ffff);
3256 entry_2 = (ldt_info.base_addr & 0xff000000) |
3257 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3258 (ldt_info.limit & 0xf0000) |
3259 ((read_exec_only ^ 1) << 9) |
3260 (contents << 10) |
3261 ((seg_not_present ^ 1) << 15) |
3262 (seg_32bit << 22) |
3263 (limit_in_pages << 23) |
3264 (useable << 20) |
3265 (lm << 21) |
3266 0x7000;
3267
3268 /* Install the new entry ... */
3269 install:
3270 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3271 lp[0] = tswap32(entry_1);
3272 lp[1] = tswap32(entry_2);
3273 return 0;
3274 }
3275
3276 static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
3277 {
3278 struct target_modify_ldt_ldt_s *target_ldt_info;
3279 uint64_t *gdt_table = g2h(env->gdt.base);
3280 uint32_t base_addr, limit, flags;
3281 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3282 int seg_not_present, useable, lm;
3283 uint32_t *lp, entry_1, entry_2;
3284
3285 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3286 if (!target_ldt_info)
3287 return -TARGET_EFAULT;
3288 idx = tswap32(target_ldt_info->entry_number);
3289 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3290 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3291 unlock_user_struct(target_ldt_info, ptr, 1);
3292 return -TARGET_EINVAL;
3293 }
3294 lp = (uint32_t *)(gdt_table + idx);
3295 entry_1 = tswap32(lp[0]);
3296 entry_2 = tswap32(lp[1]);
3297
3298 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3299 contents = (entry_2 >> 10) & 3;
3300 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3301 seg_32bit = (entry_2 >> 22) & 1;
3302 limit_in_pages = (entry_2 >> 23) & 1;
3303 useable = (entry_2 >> 20) & 1;
3304 #ifdef TARGET_ABI32
3305 lm = 0;
3306 #else
3307 lm = (entry_2 >> 21) & 1;
3308 #endif
3309 flags = (seg_32bit << 0) | (contents << 1) |
3310 (read_exec_only << 3) | (limit_in_pages << 4) |
3311 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3312 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3313 base_addr = (entry_1 >> 16) |
3314 (entry_2 & 0xff000000) |
3315 ((entry_2 & 0xff) << 16);
3316 target_ldt_info->base_addr = tswapl(base_addr);
3317 target_ldt_info->limit = tswap32(limit);
3318 target_ldt_info->flags = tswap32(flags);
3319 unlock_user_struct(target_ldt_info, ptr, 1);
3320 return 0;
3321 }
3322 #endif /* TARGET_I386 && TARGET_ABI32 */
3323
3324 #ifndef TARGET_ABI32
3325 static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
3326 {
3327 abi_long ret;
3328 abi_ulong val;
3329 int idx;
3330
3331 switch(code) {
3332 case TARGET_ARCH_SET_GS:
3333 case TARGET_ARCH_SET_FS:
3334 if (code == TARGET_ARCH_SET_GS)
3335 idx = R_GS;
3336 else
3337 idx = R_FS;
3338 cpu_x86_load_seg(env, idx, 0);
3339 env->segs[idx].base = addr;
3340 break;
3341 case TARGET_ARCH_GET_GS:
3342 case TARGET_ARCH_GET_FS:
3343 if (code == TARGET_ARCH_GET_GS)
3344 idx = R_GS;
3345 else
3346 idx = R_FS;
3347 val = env->segs[idx].base;
3348 if (put_user(val, addr, abi_ulong))
3349 return -TARGET_EFAULT;
3350 break;
3351 default:
3352 ret = -TARGET_EINVAL;
3353 break;
3354 }
3355 return 0;
3356 }
3357 #endif
3358
3359 #endif /* defined(TARGET_I386) */
3360
3361 #if defined(USE_NPTL)
3362
3363 #define NEW_STACK_SIZE PTHREAD_STACK_MIN
3364
3365 static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3366 typedef struct {
3367 CPUState *env;
3368 pthread_mutex_t mutex;
3369 pthread_cond_t cond;
3370 pthread_t thread;
3371 uint32_t tid;
3372 abi_ulong child_tidptr;
3373 abi_ulong parent_tidptr;
3374 sigset_t sigmask;
3375 } new_thread_info;
3376
3377 static void *clone_func(void *arg)
3378 {
3379 new_thread_info *info = arg;
3380 CPUState *env;
3381 TaskState *ts;
3382
3383 env = info->env;
3384 thread_env = env;
3385 ts = (TaskState *)thread_env->opaque;
3386 info->tid = gettid();
3387 env->host_tid = info->tid;
3388 task_settid(ts);
3389 if (info->child_tidptr)
3390 put_user_u32(info->tid, info->child_tidptr);
3391 if (info->parent_tidptr)
3392 put_user_u32(info->tid, info->parent_tidptr);
3393 /* Enable signals. */
3394 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3395 /* Signal to the parent that we're ready. */
3396 pthread_mutex_lock(&info->mutex);
3397 pthread_cond_broadcast(&info->cond);
3398 pthread_mutex_unlock(&info->mutex);
3399 /* Wait until the parent has finshed initializing the tls state. */
3400 pthread_mutex_lock(&clone_lock);
3401 pthread_mutex_unlock(&clone_lock);
3402 cpu_loop(env);
3403 /* never exits */
3404 return NULL;
3405 }
3406 #else
3407 /* this stack is the equivalent of the kernel stack associated with a
3408 thread/process */
3409 #define NEW_STACK_SIZE 8192
3410
3411 static int clone_func(void *arg)
3412 {
3413 CPUState *env = arg;
3414 cpu_loop(env);
3415 /* never exits */
3416 return 0;
3417 }
3418 #endif
3419
3420 /* do_fork() Must return host values and target errnos (unlike most
3421 do_*() functions). */
3422 static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3423 abi_ulong parent_tidptr, target_ulong newtls,
3424 abi_ulong child_tidptr)
3425 {
3426 int ret;
3427 TaskState *ts;
3428 uint8_t *new_stack;
3429 CPUState *new_env;
3430 #if defined(USE_NPTL)
3431 unsigned int nptl_flags;
3432 sigset_t sigmask;
3433 #endif
3434
3435 /* Emulate vfork() with fork() */
3436 if (flags & CLONE_VFORK)
3437 flags &= ~(CLONE_VFORK | CLONE_VM);
3438
3439 if (flags & CLONE_VM) {
3440 TaskState *parent_ts = (TaskState *)env->opaque;
3441 #if defined(USE_NPTL)
3442 new_thread_info info;
3443 pthread_attr_t attr;
3444 #endif
3445 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
3446 init_task_state(ts);
3447 new_stack = ts->stack;
3448 /* we create a new CPU instance. */
3449 new_env = cpu_copy(env);
3450 /* Init regs that differ from the parent. */
3451 cpu_clone_regs(new_env, newsp);
3452 new_env->opaque = ts;
3453 ts->bprm = parent_ts->bprm;
3454 ts->info = parent_ts->info;
3455 #if defined(USE_NPTL)
3456 nptl_flags = flags;
3457 flags &= ~CLONE_NPTL_FLAGS2;
3458
3459 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3460 ts->child_tidptr = child_tidptr;
3461 }
3462
3463 if (nptl_flags & CLONE_SETTLS)
3464 cpu_set_tls (new_env, newtls);
3465
3466 /* Grab a mutex so that thread setup appears atomic. */
3467 pthread_mutex_lock(&clone_lock);
3468
3469 memset(&info, 0, sizeof(info));
3470 pthread_mutex_init(&info.mutex, NULL);
3471 pthread_mutex_lock(&info.mutex);
3472 pthread_cond_init(&info.cond, NULL);
3473 info.env = new_env;
3474 if (nptl_flags & CLONE_CHILD_SETTID)
3475 info.child_tidptr = child_tidptr;
3476 if (nptl_flags & CLONE_PARENT_SETTID)
3477 info.parent_tidptr = parent_tidptr;
3478
3479 ret = pthread_attr_init(&attr);
3480 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
3481 /* It is not safe to deliver signals until the child has finished
3482 initializing, so temporarily block all signals. */
3483 sigfillset(&sigmask);
3484 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3485
3486 ret = pthread_create(&info.thread, &attr, clone_func, &info);
3487 /* TODO: Free new CPU state if thread creation failed. */
3488
3489 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3490 pthread_attr_destroy(&attr);
3491 if (ret == 0) {
3492 /* Wait for the child to initialize. */
3493 pthread_cond_wait(&info.cond, &info.mutex);
3494 ret = info.tid;
3495 if (flags & CLONE_PARENT_SETTID)
3496 put_user_u32(ret, parent_tidptr);
3497 } else {
3498 ret = -1;
3499 }
3500 pthread_mutex_unlock(&info.mutex);
3501 pthread_cond_destroy(&info.cond);
3502 pthread_mutex_destroy(&info.mutex);
3503 pthread_mutex_unlock(&clone_lock);
3504 #else
3505 if (flags & CLONE_NPTL_FLAGS2)
3506 return -EINVAL;
3507 /* This is probably going to die very quickly, but do it anyway. */
3508 #ifdef __ia64__
3509 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
3510 #else
3511 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
3512 #endif
3513 #endif
3514 } else {
3515 /* if no CLONE_VM, we consider it is a fork */
3516 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
3517 return -EINVAL;
3518 fork_start();
3519 ret = fork();
3520 if (ret == 0) {
3521 /* Child Process. */
3522 cpu_clone_regs(env, newsp);
3523 fork_end(1);
3524 #if defined(USE_NPTL)
3525 /* There is a race condition here. The parent process could
3526 theoretically read the TID in the child process before the child
3527 tid is set. This would require using either ptrace
3528 (not implemented) or having *_tidptr to point at a shared memory
3529 mapping. We can't repeat the spinlock hack used above because
3530 the child process gets its own copy of the lock. */
3531 if (flags & CLONE_CHILD_SETTID)
3532 put_user_u32(gettid(), child_tidptr);
3533 if (flags & CLONE_PARENT_SETTID)
3534 put_user_u32(gettid(), parent_tidptr);
3535 ts = (TaskState *)env->opaque;
3536 if (flags & CLONE_SETTLS)
3537 cpu_set_tls (env, newtls);
3538 if (flags & CLONE_CHILD_CLEARTID)
3539 ts->child_tidptr = child_tidptr;
3540 #endif
3541 } else {
3542 fork_end(0);
3543 }
3544 }
3545 return ret;
3546 }
3547
3548 static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
3549 {
3550 struct flock fl;
3551 struct target_flock *target_fl;
3552 struct flock64 fl64;
3553 struct target_flock64 *target_fl64;
3554 abi_long ret;
3555
3556 switch(cmd) {
3557 case TARGET_F_GETLK:
3558 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3559 return -TARGET_EFAULT;
3560 fl.l_type = tswap16(target_fl->l_type);
3561 fl.l_whence = tswap16(target_fl->l_whence);
3562 fl.l_start = tswapl(target_fl->l_start);
3563 fl.l_len = tswapl(target_fl->l_len);
3564 fl.l_pid = tswapl(target_fl->l_pid);
3565 unlock_user_struct(target_fl, arg, 0);
3566 ret = get_errno(fcntl(fd, cmd, &fl));
3567 if (ret == 0) {
3568 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3569 return -TARGET_EFAULT;
3570 target_fl->l_type = tswap16(fl.l_type);
3571 target_fl->l_whence = tswap16(fl.l_whence);
3572 target_fl->l_start = tswapl(fl.l_start);
3573 target_fl->l_len = tswapl(fl.l_len);
3574 target_fl->l_pid = tswapl(fl.l_pid);
3575 unlock_user_struct(target_fl, arg, 1);
3576 }
3577 break;
3578
3579 case TARGET_F_SETLK:
3580 case TARGET_F_SETLKW:
3581 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3582 return -TARGET_EFAULT;
3583 fl.l_type = tswap16(target_fl->l_type);
3584 fl.l_whence = tswap16(target_fl->l_whence);
3585 fl.l_start = tswapl(target_fl->l_start);
3586 fl.l_len = tswapl(target_fl->l_len);
3587 fl.l_pid = tswapl(target_fl->l_pid);
3588 unlock_user_struct(target_fl, arg, 0);
3589 ret = get_errno(fcntl(fd, cmd, &fl));
3590 break;
3591
3592 case TARGET_F_GETLK64:
3593 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3594 return -TARGET_EFAULT;
3595 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3596 fl64.l_whence = tswap16(target_fl64->l_whence);
3597 fl64.l_start = tswapl(target_fl64->l_start);
3598 fl64.l_len = tswapl(target_fl64->l_len);
3599 fl64.l_pid = tswap16(target_fl64->l_pid);
3600 unlock_user_struct(target_fl64, arg, 0);
3601 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
3602 if (ret == 0) {
3603 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3604 return -TARGET_EFAULT;
3605 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3606 target_fl64->l_whence = tswap16(fl64.l_whence);
3607 target_fl64->l_start = tswapl(fl64.l_start);
3608 target_fl64->l_len = tswapl(fl64.l_len);
3609 target_fl64->l_pid = tswapl(fl64.l_pid);
3610 unlock_user_struct(target_fl64, arg, 1);
3611 }
3612 break;
3613 case TARGET_F_SETLK64:
3614 case TARGET_F_SETLKW64:
3615 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3616 return -TARGET_EFAULT;
3617 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3618 fl64.l_whence = tswap16(target_fl64->l_whence);
3619 fl64.l_start = tswapl(target_fl64->l_start);
3620 fl64.l_len = tswapl(target_fl64->l_len);
3621 fl64.l_pid = tswap16(target_fl64->l_pid);
3622 unlock_user_struct(target_fl64, arg, 0);
3623 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
3624 break;
3625
3626 case F_GETFL:
3627 ret = get_errno(fcntl(fd, cmd, arg));
3628 if (ret >= 0) {
3629 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3630 }
3631 break;
3632
3633 case F_SETFL:
3634 ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
3635 break;
3636
3637 default:
3638 ret = get_errno(fcntl(fd, cmd, arg));
3639 break;
3640 }
3641 return ret;
3642 }
3643
3644 #ifdef USE_UID16
3645
3646 static inline int high2lowuid(int uid)
3647 {
3648 if (uid > 65535)
3649 return 65534;
3650 else
3651 return uid;
3652 }
3653
3654 static inline int high2lowgid(int gid)
3655 {
3656 if (gid > 65535)
3657 return 65534;
3658 else
3659 return gid;
3660 }
3661
3662 static inline int low2highuid(int uid)
3663 {
3664 if ((int16_t)uid == -1)
3665 return -1;
3666 else
3667 return uid;
3668 }
3669
3670 static inline int low2highgid(int gid)
3671 {
3672 if ((int16_t)gid == -1)
3673 return -1;
3674 else
3675 return gid;
3676 }
3677
3678 #endif /* USE_UID16 */
3679
3680 void syscall_init(void)
3681 {
3682 IOCTLEntry *ie;
3683 const argtype *arg_type;
3684 int size;
3685 int i;
3686
3687 #define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
3688 #define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
3689 #include "syscall_types.h"
3690 #undef STRUCT
3691 #undef STRUCT_SPECIAL
3692
3693 /* we patch the ioctl size if necessary. We rely on the fact that
3694 no ioctl has all the bits at '1' in the size field */
3695 ie = ioctl_entries;
3696 while (ie->target_cmd != 0) {
3697 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3698 TARGET_IOC_SIZEMASK) {
3699 arg_type = ie->arg_type;
3700 if (arg_type[0] != TYPE_PTR) {
3701 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
3702 ie->target_cmd);
3703 exit(1);
3704 }
3705 arg_type++;
3706 size = thunk_type_size(arg_type, 0);
3707 ie->target_cmd = (ie->target_cmd &
3708 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3709 (size << TARGET_IOC_SIZESHIFT);
3710 }
3711
3712 /* Build target_to_host_errno_table[] table from
3713 * host_to_target_errno_table[]. */
3714 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3715 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3716
3717 /* automatic consistency check if same arch */
3718 #if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3719 (defined(__x86_64__) && defined(TARGET_X86_64))
3720 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3721 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3722 ie->name, ie->target_cmd, ie->host_cmd);
3723 }
3724 #endif
3725 ie++;
3726 }
3727 }
3728
3729 #if TARGET_ABI_BITS == 32
3730 static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3731 {
3732 #ifdef TARGET_WORDS_BIGENDIAN
3733 return ((uint64_t)word0 << 32) | word1;
3734 #else
3735 return ((uint64_t)word1 << 32) | word0;
3736 #endif
3737 }
3738 #else /* TARGET_ABI_BITS == 32 */
3739 static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3740 {
3741 return word0;
3742 }
3743 #endif /* TARGET_ABI_BITS != 32 */
3744
3745 #ifdef TARGET_NR_truncate64
3746 static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3747 abi_long arg2,
3748 abi_long arg3,
3749 abi_long arg4)
3750 {
3751 #ifdef TARGET_ARM
3752 if (((CPUARMState *)cpu_env)->eabi)
3753 {
3754 arg2 = arg3;
3755 arg3 = arg4;
3756 }
3757 #endif
3758 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3759 }
3760 #endif
3761
3762 #ifdef TARGET_NR_ftruncate64
3763 static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3764 abi_long arg2,
3765 abi_long arg3,
3766 abi_long arg4)
3767 {
3768 #ifdef TARGET_ARM
3769 if (((CPUARMState *)cpu_env)->eabi)
3770 {
3771 arg2 = arg3;
3772 arg3 = arg4;
3773 }
3774 #endif
3775 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3776 }
3777 #endif
3778
3779 static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3780 abi_ulong target_addr)
3781 {
3782 struct target_timespec *target_ts;
3783
3784 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3785 return -TARGET_EFAULT;
3786 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3787 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3788 unlock_user_struct(target_ts, target_addr, 0);
3789 return 0;
3790 }
3791
3792 static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3793 struct timespec *host_ts)
3794 {
3795 struct target_timespec *target_ts;
3796
3797 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3798 return -TARGET_EFAULT;
3799 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3800 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3801 unlock_user_struct(target_ts, target_addr, 1);
3802 return 0;
3803 }
3804
3805 #if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
3806 static inline abi_long host_to_target_stat64(void *cpu_env,
3807 abi_ulong target_addr,
3808 struct stat *host_st)
3809 {
3810 #ifdef TARGET_ARM
3811 if (((CPUARMState *)cpu_env)->eabi) {
3812 struct target_eabi_stat64 *target_st;
3813
3814 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3815 return -TARGET_EFAULT;
3816 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3817 __put_user(host_st->st_dev, &target_st->st_dev);
3818 __put_user(host_st->st_ino, &target_st->st_ino);
3819 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3820 __put_user(host_st->st_ino, &target_st->__st_ino);
3821 #endif
3822 __put_user(host_st->st_mode, &target_st->st_mode);
3823 __put_user(host_st->st_nlink, &target_st->st_nlink);
3824 __put_user(host_st->st_uid, &target_st->st_uid);
3825 __put_user(host_st->st_gid, &target_st->st_gid);
3826 __put_user(host_st->st_rdev, &target_st->st_rdev);
3827 __put_user(host_st->st_size, &target_st->st_size);
3828 __put_user(host_st->st_blksize, &target_st->st_blksize);
3829 __put_user(host_st->st_blocks, &target_st->st_blocks);
3830 __put_user(host_st->st_atime, &target_st->target_st_atime);
3831 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3832 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3833 unlock_user_struct(target_st, target_addr, 1);
3834 } else
3835 #endif
3836 {
3837 #if TARGET_LONG_BITS == 64
3838 struct target_stat *target_st;
3839 #else
3840 struct target_stat64 *target_st;
3841 #endif
3842
3843 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3844 return -TARGET_EFAULT;
3845 memset(target_st, 0, sizeof(*target_st));
3846 __put_user(host_st->st_dev, &target_st->st_dev);
3847 __put_user(host_st->st_ino, &target_st->st_ino);
3848 #ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3849 __put_user(host_st->st_ino, &target_st->__st_ino);
3850 #endif
3851 __put_user(host_st->st_mode, &target_st->st_mode);
3852 __put_user(host_st->st_nlink, &target_st->st_nlink);
3853 __put_user(host_st->st_uid, &target_st->st_uid);
3854 __put_user(host_st->st_gid, &target_st->st_gid);
3855 __put_user(host_st->st_rdev, &target_st->st_rdev);
3856 /* XXX: better use of kernel struct */
3857 __put_user(host_st->st_size, &target_st->st_size);
3858 __put_user(host_st->st_blksize, &target_st->st_blksize);
3859 __put_user(host_st->st_blocks, &target_st->st_blocks);
3860 __put_user(host_st->st_atime, &target_st->target_st_atime);
3861 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3862 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3863 unlock_user_struct(target_st, target_addr, 1);
3864 }
3865
3866 return 0;
3867 }
3868 #endif
3869
3870 #if defined(USE_NPTL)
3871 /* ??? Using host futex calls even when target atomic operations
3872 are not really atomic probably breaks things. However implementing
3873 futexes locally would make futexes shared between multiple processes
3874 tricky. However they're probably useless because guest atomic
3875 operations won't work either. */
3876 static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
3877 target_ulong uaddr2, int val3)
3878 {
3879 struct timespec ts, *pts;
3880
3881 /* ??? We assume FUTEX_* constants are the same on both host
3882 and target. */
3883 switch (op) {
3884 case FUTEX_WAIT:
3885 if (timeout) {
3886 pts = &ts;
3887 target_to_host_timespec(pts, timeout);
3888 } else {
3889 pts = NULL;
3890 }
3891 return get_errno(sys_futex(g2h(uaddr), FUTEX_WAIT, tswap32(val),
3892 pts, NULL, 0));
3893 case FUTEX_WAKE:
3894 return get_errno(sys_futex(g2h(uaddr), FUTEX_WAKE, val, NULL, NULL, 0));
3895 case FUTEX_FD:
3896 return get_errno(sys_futex(g2h(uaddr), FUTEX_FD, val, NULL, NULL, 0));
3897 case FUTEX_REQUEUE:
3898 return get_errno(sys_futex(g2h(uaddr), FUTEX_REQUEUE, val,
3899 NULL, g2h(uaddr2), 0));
3900 case FUTEX_CMP_REQUEUE:
3901 return get_errno(sys_futex(g2h(uaddr), FUTEX_CMP_REQUEUE, val,
3902 NULL, g2h(uaddr2), tswap32(val3)));
3903 default:
3904 return -TARGET_ENOSYS;
3905 }
3906 }
3907 #endif
3908
3909 /* Map host to target signal numbers for the wait family of syscalls.
3910 Assume all other status bits are the same. */
3911 static int host_to_target_waitstatus(int status)
3912 {
3913 if (WIFSIGNALED(status)) {
3914 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
3915 }
3916 if (WIFSTOPPED(status)) {
3917 return (host_to_target_signal(WSTOPSIG(status)) << 8)
3918 | (status & 0xff);
3919 }
3920 return status;
3921 }
3922
3923 int get_osversion(void)
3924 {
3925 static int osversion;
3926 struct new_utsname buf;
3927 const char *s;
3928 int i, n, tmp;
3929 if (osversion)
3930 return osversion;
3931 if (qemu_uname_release && *qemu_uname_release) {
3932 s = qemu_uname_release;
3933 } else {
3934 if (sys_uname(&buf))
3935 return 0;
3936 s = buf.release;
3937 }
3938 tmp = 0;
3939 for (i = 0; i < 3; i++) {
3940 n = 0;
3941 while (*s >= '0' && *s <= '9') {
3942 n *= 10;
3943 n += *s - '0';
3944 s++;
3945 }
3946 tmp = (tmp << 8) + n;
3947 if (*s == '.')
3948 s++;
3949 }
3950 osversion = tmp;
3951 return osversion;
3952 }
3953
3954 /* do_syscall() should always have a single exit point at the end so
3955 that actions, such as logging of syscall results, can be performed.
3956 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
3957 abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
3958 abi_long arg2, abi_long arg3, abi_long arg4,
3959 abi_long arg5, abi_long arg6)
3960 {
3961 abi_long ret;
3962 struct stat st;
3963 struct statfs stfs;
3964 void *p;
3965
3966 #ifdef DEBUG
3967 gemu_log("syscall %d", num);
3968 #endif
3969 if(do_strace)
3970 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
3971
3972 switch(num) {
3973 case TARGET_NR_exit:
3974 #ifdef USE_NPTL
3975 /* In old applications this may be used to implement _exit(2).
3976 However in threaded applictions it is used for thread termination,
3977 and _exit_group is used for application termination.
3978 Do thread termination if we have more then one thread. */
3979 /* FIXME: This probably breaks if a signal arrives. We should probably
3980 be disabling signals. */
3981 if (first_cpu->next_cpu) {
3982 TaskState *ts;
3983 CPUState **lastp;
3984 CPUState *p;
3985
3986 cpu_list_lock();
3987 lastp = &first_cpu;
3988 p = first_cpu;
3989 while (p && p != (CPUState *)cpu_env) {
3990 lastp = &p->next_cpu;
3991 p = p->next_cpu;
3992 }
3993 /* If we didn't find the CPU for this thread then something is
3994 horribly wrong. */
3995 if (!p)
3996 abort();
3997 /* Remove the CPU from the list. */
3998 *lastp = p->next_cpu;
3999 cpu_list_unlock();
4000 ts = ((CPUState *)cpu_env)->opaque;
4001 if (ts->child_tidptr) {
4002 put_user_u32(0, ts->child_tidptr);
4003 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4004 NULL, NULL, 0);
4005 }
4006 /* TODO: Free CPU state. */
4007 pthread_exit(NULL);
4008 }
4009 #endif
4010 #ifdef HAVE_GPROF
4011 _mcleanup();
4012 #endif
4013 gdb_exit(cpu_env, arg1);
4014 _exit(arg1);
4015 ret = 0; /* avoid warning */
4016 break;
4017 case TARGET_NR_read:
4018 if (arg3 == 0)
4019 ret = 0;
4020 else {
4021 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4022 goto efault;
4023 ret = get_errno(read(arg1, p, arg3));
4024 unlock_user(p, arg2, ret);
4025 }
4026 break;
4027 case TARGET_NR_write:
4028 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4029 goto efault;
4030 ret = get_errno(write(arg1, p, arg3));
4031 unlock_user(p, arg2, 0);
4032 break;
4033 case TARGET_NR_open:
4034 if (!(p = lock_user_string(arg1)))
4035 goto efault;
4036 ret = get_errno(open(path(p),
4037 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4038 arg3));
4039 unlock_user(p, arg1, 0);
4040 break;
4041 #if defined(TARGET_NR_openat) && defined(__NR_openat)
4042 case TARGET_NR_openat:
4043 if (!(p = lock_user_string(arg2)))
4044 goto efault;
4045 ret = get_errno(sys_openat(arg1,
4046 path(p),
4047 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4048 arg4));
4049 unlock_user(p, arg2, 0);
4050 break;
4051 #endif
4052 case TARGET_NR_close:
4053 ret = get_errno(close(arg1));
4054 break;
4055 case TARGET_NR_brk:
4056 ret = do_brk(arg1);
4057 break;
4058 case TARGET_NR_fork:
4059 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
4060 break;
4061 #ifdef TARGET_NR_waitpid
4062 case TARGET_NR_waitpid:
4063 {
4064 int status;
4065 ret = get_errno(waitpid(arg1, &status, arg3));
4066 if (!is_error(ret) && arg2
4067 && put_user_s32(host_to_target_waitstatus(status), arg2))
4068 goto efault;
4069 }
4070 break;
4071 #endif
4072 #ifdef TARGET_NR_waitid
4073 case TARGET_NR_waitid:
4074 {
4075 siginfo_t info;
4076 info.si_pid = 0;
4077 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4078 if (!is_error(ret) && arg3 && info.si_pid != 0) {
4079 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
4080 goto efault;
4081 host_to_target_siginfo(p, &info);
4082 unlock_user(p, arg3, sizeof(target_siginfo_t));
4083 }
4084 }
4085 break;
4086 #endif
4087 #ifdef TARGET_NR_creat /* not on alpha */
4088 case TARGET_NR_creat:
4089 if (!(p = lock_user_string(arg1)))
4090 goto efault;
4091 ret = get_errno(creat(p, arg2));
4092 unlock_user(p, arg1, 0);
4093 break;
4094 #endif
4095 case TARGET_NR_link:
4096 {
4097 void * p2;
4098 p = lock_user_string(arg1);
4099 p2 = lock_user_string(arg2);
4100 if (!p || !p2)
4101 ret = -TARGET_EFAULT;
4102 else
4103 ret = get_errno(link(p, p2));
4104 unlock_user(p2, arg2, 0);
4105 unlock_user(p, arg1, 0);
4106 }
4107 break;
4108 #if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4109 case TARGET_NR_linkat:
4110 {
4111 void * p2 = NULL;
4112 if (!arg2 || !arg4)
4113 goto efault;
4114 p = lock_user_string(arg2);
4115 p2 = lock_user_string(arg4);
4116 if (!p || !p2)
4117 ret = -TARGET_EFAULT;
4118 else
4119 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
4120 unlock_user(p, arg2, 0);
4121 unlock_user(p2, arg4, 0);
4122 }
4123 break;
4124 #endif
4125 case TARGET_NR_unlink:
4126 if (!(p = lock_user_string(arg1)))
4127 goto efault;
4128 ret = get_errno(unlink(p));
4129 unlock_user(p, arg1, 0);
4130 break;
4131 #if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4132 case TARGET_NR_unlinkat:
4133 if (!(p = lock_user_string(arg2)))
4134 goto efault;
4135 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4136 unlock_user(p, arg2, 0);
4137 break;
4138 #endif
4139 case TARGET_NR_execve:
4140 {
4141 char **argp, **envp;
4142 int argc, envc;
4143 abi_ulong gp;
4144 abi_ulong guest_argp;
4145 abi_ulong guest_envp;
4146 abi_ulong addr;
4147 char **q;
4148
4149 argc = 0;
4150 guest_argp = arg2;
4151 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
4152 if (get_user_ual(addr, gp))
4153 goto efault;
4154 if (!addr)
4155 break;
4156 argc++;
4157 }
4158 envc = 0;
4159 guest_envp = arg3;
4160 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
4161 if (get_user_ual(addr, gp))
4162 goto efault;
4163 if (!addr)
4164 break;
4165 envc++;
4166 }
4167
4168 argp = alloca((argc + 1) * sizeof(void *));
4169 envp = alloca((envc + 1) * sizeof(void *));
4170
4171 for (gp = guest_argp, q = argp; gp;
4172 gp += sizeof(abi_ulong), q++) {
4173 if (get_user_ual(addr, gp))
4174 goto execve_efault;
4175 if (!addr)
4176 break;
4177 if (!(*q = lock_user_string(addr)))
4178 goto execve_efault;
4179 }
4180 *q = NULL;
4181
4182 for (gp = guest_envp, q = envp; gp;
4183 gp += sizeof(abi_ulong), q++) {
4184 if (get_user_ual(addr, gp))
4185 goto execve_efault;
4186 if (!addr)
4187 break;
4188 if (!(*q = lock_user_string(addr)))
4189 goto execve_efault;
4190 }
4191 *q = NULL;
4192
4193 if (!(p = lock_user_string(arg1)))
4194 goto execve_efault;
4195 ret = get_errno(execve(p, argp, envp));
4196 unlock_user(p, arg1, 0);
4197
4198 goto execve_end;
4199
4200 execve_efault:
4201 ret = -TARGET_EFAULT;
4202
4203 execve_end:
4204 for (gp = guest_argp, q = argp; *q;
4205 gp += sizeof(abi_ulong), q++) {
4206 if (get_user_ual(addr, gp)
4207 || !addr)
4208 break;
4209 unlock_user(*q, addr, 0);
4210 }
4211 for (gp = guest_envp, q = envp; *q;
4212 gp += sizeof(abi_ulong), q++) {
4213 if (get_user_ual(addr, gp)
4214 || !addr)
4215 break;
4216 unlock_user(*q, addr, 0);
4217 }
4218 }
4219 break;
4220 case TARGET_NR_chdir:
4221 if (!(p = lock_user_string(arg1)))
4222 goto efault;
4223 ret = get_errno(chdir(p));
4224 unlock_user(p, arg1, 0);
4225 break;
4226 #ifdef TARGET_NR_time
4227 case TARGET_NR_time:
4228 {
4229 time_t host_time;
4230 ret = get_errno(time(&host_time));
4231 if (!is_error(ret)
4232 && arg1
4233 && put_user_sal(host_time, arg1))
4234 goto efault;
4235 }
4236 break;
4237 #endif
4238 case TARGET_NR_mknod:
4239 if (!(p = lock_user_string(arg1)))
4240 goto efault;
4241 ret = get_errno(mknod(p, arg2, arg3));
4242 unlock_user(p, arg1, 0);
4243 break;
4244 #if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4245 case TARGET_NR_mknodat:
4246 if (!(p = lock_user_string(arg2)))
4247 goto efault;
4248 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4249 unlock_user(p, arg2, 0);
4250 break;
4251 #endif
4252 case TARGET_NR_chmod:
4253 if (!(p = lock_user_string(arg1)))
4254 goto efault;
4255 ret = get_errno(chmod(p, arg2));
4256 unlock_user(p, arg1, 0);
4257 break;
4258 #ifdef TARGET_NR_break
4259 case TARGET_NR_break:
4260 goto unimplemented;
4261 #endif
4262 #ifdef TARGET_NR_oldstat
4263 case TARGET_NR_oldstat:
4264 goto unimplemented;
4265 #endif
4266 case TARGET_NR_lseek:
4267 ret = get_errno(lseek(arg1, arg2, arg3));
4268 break;
4269 #ifdef TARGET_NR_getxpid
4270 case TARGET_NR_getxpid:
4271 #else
4272 case TARGET_NR_getpid:
4273 #endif
4274 ret = get_errno(getpid());
4275 break;
4276 case TARGET_NR_mount:
4277 {
4278 /* need to look at the data field */
4279 void *p2, *p3;
4280 p = lock_user_string(arg1);
4281 p2 = lock_user_string(arg2);
4282 p3 = lock_user_string(arg3);
4283 if (!p || !p2 || !p3)
4284 ret = -TARGET_EFAULT;
4285 else
4286 /* FIXME - arg5 should be locked, but it isn't clear how to
4287 * do that since it's not guaranteed to be a NULL-terminated
4288 * string.
4289 */
4290 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4291 unlock_user(p, arg1, 0);
4292 unlock_user(p2, arg2, 0);
4293 unlock_user(p3, arg3, 0);
4294 break;
4295 }
4296 #ifdef TARGET_NR_umount
4297 case TARGET_NR_umount:
4298 if (!(p = lock_user_string(arg1)))
4299 goto efault;
4300 ret = get_errno(umount(p));
4301 unlock_user(p, arg1, 0);
4302 break;
4303 #endif
4304 #ifdef TARGET_NR_stime /* not on alpha */
4305 case TARGET_NR_stime:
4306 {
4307 time_t host_time;
4308 if (get_user_sal(host_time, arg1))
4309 goto efault;
4310 ret = get_errno(stime(&host_time));
4311 }
4312 break;
4313 #endif
4314 case TARGET_NR_ptrace:
4315 goto unimplemented;
4316 #ifdef TARGET_NR_alarm /* not on alpha */
4317 case TARGET_NR_alarm:
4318 ret = alarm(arg1);
4319 break;
4320 #endif
4321 #ifdef TARGET_NR_oldfstat
4322 case TARGET_NR_oldfstat:
4323 goto unimplemented;
4324 #endif
4325 #ifdef TARGET_NR_pause /* not on alpha */
4326 case TARGET_NR_pause:
4327 ret = get_errno(pause());
4328 break;
4329 #endif
4330 #ifdef TARGET_NR_utime
4331 case TARGET_NR_utime:
4332 {
4333 struct utimbuf tbuf, *host_tbuf;
4334 struct target_utimbuf *target_tbuf;
4335 if (arg2) {
4336 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4337 goto efault;
4338 tbuf.actime = tswapl(target_tbuf->actime);
4339 tbuf.modtime = tswapl(target_tbuf->modtime);
4340 unlock_user_struct(target_tbuf, arg2, 0);
4341 host_tbuf = &tbuf;
4342 } else {
4343 host_tbuf = NULL;
4344 }
4345 if (!(p = lock_user_string(arg1)))
4346 goto efault;
4347 ret = get_errno(utime(p, host_tbuf));
4348 unlock_user(p, arg1, 0);
4349 }
4350 break;
4351 #endif
4352 case TARGET_NR_utimes:
4353 {
4354 struct timeval *tvp, tv[2];
4355 if (arg2) {
4356 if (copy_from_user_timeval(&tv[0], arg2)
4357 || copy_from_user_timeval(&tv[1],
4358 arg2 + sizeof(struct target_timeval)))
4359 goto efault;
4360 tvp = tv;
4361 } else {
4362 tvp = NULL;
4363 }
4364 if (!(p = lock_user_string(arg1)))
4365 goto efault;
4366 ret = get_errno(utimes(p, tvp));
4367 unlock_user(p, arg1, 0);
4368 }
4369 break;
4370 #if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4371 case TARGET_NR_futimesat:
4372 {
4373 struct timeval *tvp, tv[2];
4374 if (arg3) {
4375 if (copy_from_user_timeval(&tv[0], arg3)
4376 || copy_from_user_timeval(&tv[1],
4377 arg3 + sizeof(struct target_timeval)))
4378 goto efault;
4379 tvp = tv;
4380 } else {
4381 tvp = NULL;
4382 }
4383 if (!(p = lock_user_string(arg2)))
4384 goto efault;
4385 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4386 unlock_user(p, arg2, 0);
4387 }
4388 break;
4389 #endif
4390 #ifdef TARGET_NR_stty
4391 case TARGET_NR_stty:
4392 goto unimplemented;
4393 #endif
4394 #ifdef TARGET_NR_gtty
4395 case TARGET_NR_gtty:
4396 goto unimplemented;
4397 #endif
4398 case TARGET_NR_access:
4399 if (!(p = lock_user_string(arg1)))
4400 goto efault;
4401 ret = get_errno(access(p, arg2));
4402 unlock_user(p, arg1, 0);
4403 break;
4404 #if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4405 case TARGET_NR_faccessat:
4406 if (!(p = lock_user_string(arg2)))
4407 goto efault;
4408 ret = get_errno(sys_faccessat(arg1, p, arg3));
4409 unlock_user(p, arg2, 0);
4410 break;
4411 #endif
4412 #ifdef TARGET_NR_nice /* not on alpha */
4413 case TARGET_NR_nice:
4414 ret = get_errno(nice(arg1));
4415 break;
4416 #endif
4417 #ifdef TARGET_NR_ftime
4418 case TARGET_NR_ftime:
4419 goto unimplemented;
4420 #endif
4421 case TARGET_NR_sync:
4422 sync();
4423 ret = 0;
4424 break;
4425 case TARGET_NR_kill:
4426 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
4427 break;
4428 case TARGET_NR_rename:
4429 {
4430 void *p2;
4431 p = lock_user_string(arg1);
4432 p2 = lock_user_string(arg2);
4433 if (!p || !p2)
4434 ret = -TARGET_EFAULT;
4435 else
4436 ret = get_errno(rename(p, p2));
4437 unlock_user(p2, arg2, 0);
4438 unlock_user(p, arg1, 0);
4439 }
4440 break;
4441 #if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4442 case TARGET_NR_renameat:
4443 {
4444 void *p2;
4445 p = lock_user_string(arg2);
4446 p2 = lock_user_string(arg4);
4447 if (!p || !p2)
4448 ret = -TARGET_EFAULT;
4449 else
4450 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
4451 unlock_user(p2, arg4, 0);
4452 unlock_user(p, arg2, 0);
4453 }
4454 break;
4455 #endif
4456 case TARGET_NR_mkdir:
4457 if (!(p = lock_user_string(arg1)))
4458 goto efault;
4459 ret = get_errno(mkdir(p, arg2));
4460 unlock_user(p, arg1, 0);
4461 break;
4462 #if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4463 case TARGET_NR_mkdirat:
4464 if (!(p = lock_user_string(arg2)))
4465 goto efault;
4466 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4467 unlock_user(p, arg2, 0);
4468 break;
4469 #endif
4470 case TARGET_NR_rmdir:
4471 if (!(p = lock_user_string(arg1)))
4472 goto efault;
4473 ret = get_errno(rmdir(p));
4474 unlock_user(p, arg1, 0);
4475 break;
4476 case TARGET_NR_dup:
4477 ret = get_errno(dup(arg1));
4478 break;
4479 case TARGET_NR_pipe:
4480 {
4481 int host_pipe[2];
4482 ret = get_errno(pipe(host_pipe));
4483 if (!is_error(ret)) {
4484 #if defined(TARGET_MIPS)
4485 CPUMIPSState *env = (CPUMIPSState*)cpu_env;
4486 env->active_tc.gpr[3] = host_pipe[1];
4487 ret = host_pipe[0];
4488 #elif defined(TARGET_SH4)
4489 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
4490 ret = host_pipe[0];
4491 #else
4492 if (put_user_s32(host_pipe[0], arg1)
4493 || put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0])))
4494 goto efault;
4495 #endif
4496 }
4497 }
4498 break;
4499 case TARGET_NR_times:
4500 {
4501 struct target_tms *tmsp;
4502 struct tms tms;
4503 ret = get_errno(times(&tms));
4504 if (arg1) {
4505 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4506 if (!tmsp)
4507 goto efault;
4508 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4509 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4510 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4511 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
4512 }
4513 if (!is_error(ret))
4514 ret = host_to_target_clock_t(ret);
4515 }
4516 break;
4517 #ifdef TARGET_NR_prof
4518 case TARGET_NR_prof:
4519 goto unimplemented;
4520 #endif
4521 #ifdef TARGET_NR_signal
4522 case TARGET_NR_signal:
4523 goto unimplemented;
4524 #endif
4525 case TARGET_NR_acct:
4526 if (arg1 == 0) {
4527 ret = get_errno(acct(NULL));
4528 } else {
4529 if (!(p = lock_user_string(arg1)))
4530 goto efault;
4531 ret = get_errno(acct(path(p)));
4532 unlock_user(p, arg1, 0);
4533 }
4534 break;
4535 #ifdef TARGET_NR_umount2 /* not on alpha */
4536 case TARGET_NR_umount2:
4537 if (!(p = lock_user_string(arg1)))
4538 goto efault;
4539 ret = get_errno(umount2(p, arg2));
4540 unlock_user(p, arg1, 0);
4541 break;
4542 #endif
4543 #ifdef TARGET_NR_lock
4544 case TARGET_NR_lock:
4545 goto unimplemented;
4546 #endif
4547 case TARGET_NR_ioctl:
4548 ret = do_ioctl(arg1, arg2, arg3);
4549 break;
4550 case TARGET_NR_fcntl:
4551 ret = do_fcntl(arg1, arg2, arg3);
4552 break;
4553 #ifdef TARGET_NR_mpx
4554 case TARGET_NR_mpx:
4555 goto unimplemented;
4556 #endif
4557 case TARGET_NR_setpgid:
4558 ret = get_errno(setpgid(arg1, arg2));
4559 break;
4560 #ifdef TARGET_NR_ulimit
4561 case TARGET_NR_ulimit:
4562 goto unimplemented;
4563 #endif
4564 #ifdef TARGET_NR_oldolduname
4565 case TARGET_NR_oldolduname:
4566 goto unimplemented;
4567 #endif
4568 case TARGET_NR_umask:
4569 ret = get_errno(umask(arg1));
4570 break;
4571 case TARGET_NR_chroot:
4572 if (!(p = lock_user_string(arg1)))
4573 goto efault;
4574 ret = get_errno(chroot(p));
4575 unlock_user(p, arg1, 0);
4576 break;
4577 case TARGET_NR_ustat:
4578 goto unimplemented;
4579 case TARGET_NR_dup2:
4580 ret = get_errno(dup2(arg1, arg2));
4581 break;
4582 #ifdef TARGET_NR_getppid /* not on alpha */
4583 case TARGET_NR_getppid:
4584 ret = get_errno(getppid());
4585 break;
4586 #endif
4587 case TARGET_NR_getpgrp:
4588 ret = get_errno(getpgrp());
4589 break;
4590 case TARGET_NR_setsid:
4591 ret = get_errno(setsid());
4592 break;
4593 #ifdef TARGET_NR_sigaction
4594 case TARGET_NR_sigaction:
4595 {
4596 #if !defined(TARGET_MIPS)
4597 struct target_old_sigaction *old_act;
4598 struct target_sigaction act, oact, *pact;
4599 if (arg2) {
4600 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4601 goto efault;
4602 act._sa_handler = old_act->_sa_handler;
4603 target_siginitset(&act.sa_mask, old_act->sa_mask);
4604 act.sa_flags = old_act->sa_flags;
4605 act.sa_restorer = old_act->sa_restorer;
4606 unlock_user_struct(old_act, arg2, 0);
4607 pact = &act;
4608 } else {
4609 pact = NULL;
4610 }
4611 ret = get_errno(do_sigaction(arg1, pact, &oact));
4612 if (!is_error(ret) && arg3) {
4613 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4614 goto efault;
4615 old_act->_sa_handler = oact._sa_handler;
4616 old_act->sa_mask = oact.sa_mask.sig[0];
4617 old_act->sa_flags = oact.sa_flags;
4618 old_act->sa_restorer = oact.sa_restorer;
4619 unlock_user_struct(old_act, arg3, 1);
4620 }
4621 #else
4622 struct target_sigaction act, oact, *pact, *old_act;
4623
4624 if (arg2) {
4625 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4626 goto efault;
4627 act._sa_handler = old_act->_sa_handler;
4628 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4629 act.sa_flags = old_act->sa_flags;
4630 unlock_user_struct(old_act, arg2, 0);
4631 pact = &act;
4632 } else {
4633 pact = NULL;
4634 }
4635
4636 ret = get_errno(do_sigaction(arg1, pact, &oact));
4637
4638 if (!is_error(ret) && arg3) {
4639 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4640 goto efault;
4641 old_act->_sa_handler = oact._sa_handler;
4642 old_act->sa_flags = oact.sa_flags;
4643 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4644 old_act->sa_mask.sig[1] = 0;
4645 old_act->sa_mask.sig[2] = 0;
4646 old_act->sa_mask.sig[3] = 0;
4647 unlock_user_struct(old_act, arg3, 1);
4648 }
4649 #endif
4650 }
4651 break;
4652 #endif
4653 case TARGET_NR_rt_sigaction:
4654 {
4655 struct target_sigaction *act;
4656 struct target_sigaction *oact;
4657
4658 if (arg2) {
4659 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4660 goto efault;
4661 } else
4662 act = NULL;
4663 if (arg3) {
4664 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4665 ret = -TARGET_EFAULT;
4666 goto rt_sigaction_fail;
4667 }
4668 } else
4669 oact = NULL;
4670 ret = get_errno(do_sigaction(arg1, act, oact));
4671 rt_sigaction_fail:
4672 if (act)
4673 unlock_user_struct(act, arg2, 0);
4674 if (oact)
4675 unlock_user_struct(oact, arg3, 1);
4676 }
4677 break;
4678 #ifdef TARGET_NR_sgetmask /* not on alpha */
4679 case TARGET_NR_sgetmask:
4680 {
4681 sigset_t cur_set;
4682 abi_ulong target_set;
4683 sigprocmask(0, NULL, &cur_set);
4684 host_to_target_old_sigset(&target_set, &cur_set);
4685 ret = target_set;
4686 }
4687 break;
4688 #endif
4689 #ifdef TARGET_NR_ssetmask /* not on alpha */
4690 case TARGET_NR_ssetmask:
4691 {
4692 sigset_t set, oset, cur_set;
4693 abi_ulong target_set = arg1;
4694 sigprocmask(0, NULL, &cur_set);
4695 target_to_host_old_sigset(&set, &target_set);
4696 sigorset(&set, &set, &cur_set);
4697 sigprocmask(SIG_SETMASK, &set, &oset);
4698 host_to_target_old_sigset(&target_set, &oset);
4699 ret = target_set;
4700 }
4701 break;
4702 #endif
4703 #ifdef TARGET_NR_sigprocmask
4704 case TARGET_NR_sigprocmask:
4705 {
4706 int how = arg1;
4707 sigset_t set, oldset, *set_ptr;
4708
4709 if (arg2) {
4710 switch(how) {
4711 case TARGET_SIG_BLOCK:
4712 how = SIG_BLOCK;
4713 break;
4714 case TARGET_SIG_UNBLOCK:
4715 how = SIG_UNBLOCK;
4716 break;
4717 case TARGET_SIG_SETMASK:
4718 how = SIG_SETMASK;
4719 break;
4720 default:
4721 ret = -TARGET_EINVAL;
4722 goto fail;
4723 }
4724 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4725 goto efault;
4726 target_to_host_old_sigset(&set, p);
4727 unlock_user(p, arg2, 0);
4728 set_ptr = &set;
4729 } else {
4730 how = 0;
4731 set_ptr = NULL;
4732 }
4733 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
4734 if (!is_error(ret) && arg3) {
4735 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4736 goto efault;
4737 host_to_target_old_sigset(p, &oldset);
4738 unlock_user(p, arg3, sizeof(target_sigset_t));
4739 }
4740 }
4741 break;
4742 #endif
4743 case TARGET_NR_rt_sigprocmask:
4744 {
4745 int how = arg1;
4746 sigset_t set, oldset, *set_ptr;
4747
4748 if (arg2) {
4749 switch(how) {
4750 case TARGET_SIG_BLOCK:
4751 how = SIG_BLOCK;
4752 break;
4753 case TARGET_SIG_UNBLOCK:
4754 how = SIG_UNBLOCK;
4755 break;
4756 case TARGET_SIG_SETMASK:
4757 how = SIG_SETMASK;
4758 break;
4759 default:
4760 ret = -TARGET_EINVAL;
4761 goto fail;
4762 }
4763 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4764 goto efault;
4765 target_to_host_sigset(&set, p);
4766 unlock_user(p, arg2, 0);
4767 set_ptr = &set;
4768 } else {
4769 how = 0;
4770 set_ptr = NULL;
4771 }
4772 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
4773 if (!is_error(ret) && arg3) {
4774 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4775 goto efault;
4776 host_to_target_sigset(p, &oldset);
4777 unlock_user(p, arg3, sizeof(target_sigset_t));
4778 }
4779 }
4780 break;
4781 #ifdef TARGET_NR_sigpending
4782 case TARGET_NR_sigpending:
4783 {
4784 sigset_t set;
4785 ret = get_errno(sigpending(&set));
4786 if (!is_error(ret)) {
4787 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4788 goto efault;
4789 host_to_target_old_sigset(p, &set);
4790 unlock_user(p, arg1, sizeof(target_sigset_t));
4791 }
4792 }
4793 break;
4794 #endif
4795 case TARGET_NR_rt_sigpending:
4796 {
4797 sigset_t set;
4798 ret = get_errno(sigpending(&set));
4799 if (!is_error(ret)) {
4800 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4801 goto efault;
4802 host_to_target_sigset(p, &set);
4803 unlock_user(p, arg1, sizeof(target_sigset_t));
4804 }
4805 }
4806 break;
4807 #ifdef TARGET_NR_sigsuspend
4808 case TARGET_NR_sigsuspend:
4809 {
4810 sigset_t set;
4811 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4812 goto efault;
4813 target_to_host_old_sigset(&set, p);
4814 unlock_user(p, arg1, 0);
4815 ret = get_errno(sigsuspend(&set));
4816 }
4817 break;
4818 #endif
4819 case TARGET_NR_rt_sigsuspend:
4820 {
4821 sigset_t set;
4822 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4823 goto efault;
4824 target_to_host_sigset(&set, p);
4825 unlock_user(p, arg1, 0);
4826 ret = get_errno(sigsuspend(&set));
4827 }
4828 break;
4829 case TARGET_NR_rt_sigtimedwait:
4830 {
4831 sigset_t set;
4832 struct timespec uts, *puts;
4833 siginfo_t uinfo;
4834
4835 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4836 goto efault;
4837 target_to_host_sigset(&set, p);
4838 unlock_user(p, arg1, 0);
4839 if (arg3) {
4840 puts = &uts;
4841 target_to_host_timespec(puts, arg3);
4842 } else {
4843 puts = NULL;
4844 }
4845 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
4846 if (!is_error(ret) && arg2) {
4847 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
4848 goto efault;
4849 host_to_target_siginfo(p, &uinfo);
4850 unlock_user(p, arg2, sizeof(target_siginfo_t));
4851 }
4852 }
4853 break;
4854 case TARGET_NR_rt_sigqueueinfo:
4855 {
4856 siginfo_t uinfo;
4857 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
4858 goto efault;
4859 target_to_host_siginfo(&uinfo, p);
4860 unlock_user(p, arg1, 0);
4861 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
4862 }
4863 break;
4864 #ifdef TARGET_NR_sigreturn
4865 case TARGET_NR_sigreturn:
4866 /* NOTE: ret is eax, so not transcoding must be done */
4867 ret = do_sigreturn(cpu_env);
4868 break;
4869 #endif
4870 case TARGET_NR_rt_sigreturn:
4871 /* NOTE: ret is eax, so not transcoding must be done */
4872 ret = do_rt_sigreturn(cpu_env);
4873 break;
4874 case TARGET_NR_sethostname:
4875 if (!(p = lock_user_string(arg1)))
4876 goto efault;
4877 ret = get_errno(sethostname(p, arg2));
4878 unlock_user(p, arg1, 0);
4879 break;
4880 case TARGET_NR_setrlimit:
4881 {
4882 /* XXX: convert resource ? */
4883 int resource = arg1;
4884 struct target_rlimit *target_rlim;
4885 struct rlimit rlim;
4886 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
4887 goto efault;
4888 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
4889 rlim.rlim_max = tswapl(target_rlim->rlim_max);
4890 unlock_user_struct(target_rlim, arg2, 0);
4891 ret = get_errno(setrlimit(resource, &rlim));
4892 }
4893 break;
4894 case TARGET_NR_getrlimit:
4895 {
4896 /* XXX: convert resource ? */
4897 int resource = arg1;
4898 struct target_rlimit *target_rlim;
4899 struct rlimit rlim;
4900
4901 ret = get_errno(getrlimit(resource, &rlim));
4902 if (!is_error(ret)) {
4903 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
4904 goto efault;
4905 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
4906 rlim.rlim_max = tswapl(target_rlim->rlim_max);
4907 unlock_user_struct(target_rlim, arg2, 1);
4908 }
4909 }
4910 break;
4911 case TARGET_NR_getrusage:
4912 {
4913 struct rusage rusage;
4914 ret = get_errno(getrusage(arg1, &rusage));
4915 if (!is_error(ret)) {
4916 host_to_target_rusage(arg2, &rusage);
4917 }
4918 }
4919 break;
4920 case TARGET_NR_gettimeofday:
4921 {
4922 struct timeval tv;
4923 ret = get_errno(gettimeofday(&tv, NULL));
4924 if (!is_error(ret)) {
4925 if (copy_to_user_timeval(arg1, &tv))
4926 goto efault;
4927 }
4928 }
4929 break;
4930 case TARGET_NR_settimeofday:
4931 {
4932 struct timeval tv;
4933 if (copy_from_user_timeval(&tv, arg1))
4934 goto efault;
4935 ret = get_errno(settimeofday(&tv, NULL));
4936 }
4937 break;
4938 #ifdef TARGET_NR_select
4939 case TARGET_NR_select:
4940 {
4941 struct target_sel_arg_struct *sel;
4942 abi_ulong inp, outp, exp, tvp;
4943 long nsel;
4944
4945 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
4946 goto efault;
4947 nsel = tswapl(sel->n);
4948 inp = tswapl(sel->inp);
4949 outp = tswapl(sel->outp);
4950 exp = tswapl(sel->exp);
4951 tvp = tswapl(sel->tvp);
4952 unlock_user_struct(sel, arg1, 0);
4953 ret = do_select(nsel, inp, outp, exp, tvp);
4954 }
4955 break;
4956 #endif
4957 case TARGET_NR_symlink:
4958 {
4959 void *p2;
4960 p = lock_user_string(arg1);
4961 p2 = lock_user_string(arg2);
4962 if (!p || !p2)
4963 ret = -TARGET_EFAULT;
4964 else
4965 ret = get_errno(symlink(p, p2));
4966 unlock_user(p2, arg2, 0);
4967 unlock_user(p, arg1, 0);
4968 }
4969 break;
4970 #if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
4971 case TARGET_NR_symlinkat:
4972 {
4973 void *p2;
4974 p = lock_user_string(arg1);
4975 p2 = lock_user_string(arg3);
4976 if (!p || !p2)
4977 ret = -TARGET_EFAULT;
4978 else
4979 ret = get_errno(sys_symlinkat(p, arg2, p2));
4980 unlock_user(p2, arg3, 0);
4981 unlock_user(p, arg1, 0);
4982 }
4983 break;
4984 #endif
4985 #ifdef TARGET_NR_oldlstat
4986 case TARGET_NR_oldlstat:
4987 goto unimplemented;
4988 #endif
4989 case TARGET_NR_readlink:
4990 {
4991 void *p2, *temp;
4992 p = lock_user_string(arg1);
4993 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
4994 if (!p || !p2)
4995 ret = -TARGET_EFAULT;
4996 else {
4997 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
4998 char real[PATH_MAX];
4999 temp = realpath(exec_path,real);
5000 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5001 snprintf((char *)p2, arg3, "%s", real);
5002 }
5003 else
5004 ret = get_errno(readlink(path(p), p2, arg3));
5005 }
5006 unlock_user(p2, arg2, ret);
5007 unlock_user(p, arg1, 0);
5008 }
5009 break;
5010 #if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5011 case TARGET_NR_readlinkat:
5012 {
5013 void *p2;
5014 p = lock_user_string(arg2);
5015 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5016 if (!p || !p2)
5017 ret = -TARGET_EFAULT;
5018 else
5019 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
5020 unlock_user(p2, arg3, ret);
5021 unlock_user(p, arg2, 0);
5022 }
5023 break;
5024 #endif
5025 #ifdef TARGET_NR_uselib
5026 case TARGET_NR_uselib:
5027 goto unimplemented;
5028 #endif
5029 #ifdef TARGET_NR_swapon
5030 case TARGET_NR_swapon:
5031 if (!(p = lock_user_string(arg1)))
5032 goto efault;
5033 ret = get_errno(swapon(p, arg2));
5034 unlock_user(p, arg1, 0);
5035 break;
5036 #endif
5037 case TARGET_NR_reboot:
5038 goto unimplemented;
5039 #ifdef TARGET_NR_readdir
5040 case TARGET_NR_readdir:
5041 goto unimplemented;
5042 #endif
5043 #ifdef TARGET_NR_mmap
5044 case TARGET_NR_mmap:
5045 #if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
5046 {
5047 abi_ulong *v;
5048 abi_ulong v1, v2, v3, v4, v5, v6;
5049 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5050 goto efault;
5051 v1 = tswapl(v[0]);
5052 v2 = tswapl(v[1]);
5053 v3 = tswapl(v[2]);
5054 v4 = tswapl(v[3]);
5055 v5 = tswapl(v[4]);
5056 v6 = tswapl(v[5]);
5057 unlock_user(v, arg1, 0);
5058 ret = get_errno(target_mmap(v1, v2, v3,
5059 target_to_host_bitmask(v4, mmap_flags_tbl),
5060 v5, v6));
5061 }
5062 #else
5063 ret = get_errno(target_mmap(arg1, arg2, arg3,
5064 target_to_host_bitmask(arg4, mmap_flags_tbl),
5065 arg5,
5066 arg6));
5067 #endif
5068 break;
5069 #endif
5070 #ifdef TARGET_NR_mmap2
5071 case TARGET_NR_mmap2:
5072 #ifndef MMAP_SHIFT
5073 #define MMAP_SHIFT 12
5074 #endif
5075 ret = get_errno(target_mmap(arg1, arg2, arg3,
5076 target_to_host_bitmask(arg4, mmap_flags_tbl),
5077 arg5,
5078 arg6 << MMAP_SHIFT));
5079 break;
5080 #endif
5081 case TARGET_NR_munmap:
5082 ret = get_errno(target_munmap(arg1, arg2));
5083 break;
5084 case TARGET_NR_mprotect:
5085 ret = get_errno(target_mprotect(arg1, arg2, arg3));
5086 break;
5087 #ifdef TARGET_NR_mremap
5088 case TARGET_NR_mremap:
5089 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
5090 break;
5091 #endif
5092 /* ??? msync/mlock/munlock are broken for softmmu. */
5093 #ifdef TARGET_NR_msync
5094 case TARGET_NR_msync:
5095 ret = get_errno(msync(g2h(arg1), arg2, arg3));
5096 break;
5097 #endif
5098 #ifdef TARGET_NR_mlock
5099 case TARGET_NR_mlock:
5100 ret = get_errno(mlock(g2h(arg1), arg2));
5101 break;
5102 #endif
5103 #ifdef TARGET_NR_munlock
5104 case TARGET_NR_munlock:
5105 ret = get_errno(munlock(g2h(arg1), arg2));
5106 break;
5107 #endif
5108 #ifdef TARGET_NR_mlockall
5109 case TARGET_NR_mlockall:
5110 ret = get_errno(mlockall(arg1));
5111 break;
5112 #endif
5113 #ifdef TARGET_NR_munlockall
5114 case TARGET_NR_munlockall:
5115 ret = get_errno(munlockall());
5116 break;
5117 #endif
5118 case TARGET_NR_truncate:
5119 if (!(p = lock_user_string(arg1)))
5120 goto efault;
5121 ret = get_errno(truncate(p, arg2));
5122 unlock_user(p, arg1, 0);
5123 break;
5124 case TARGET_NR_ftruncate:
5125 ret = get_errno(ftruncate(arg1, arg2));
5126 break;
5127 case TARGET_NR_fchmod:
5128 ret = get_errno(fchmod(arg1, arg2));
5129 break;
5130 #if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5131 case TARGET_NR_fchmodat:
5132 if (!(p = lock_user_string(arg2)))
5133 goto efault;
5134 ret = get_errno(sys_fchmodat(arg1, p, arg3));
5135 unlock_user(p, arg2, 0);
5136 break;
5137 #endif
5138 case TARGET_NR_getpriority:
5139 /* libc does special remapping of the return value of
5140 * sys_getpriority() so it's just easiest to call
5141 * sys_getpriority() directly rather than through libc. */
5142 ret = sys_getpriority(arg1, arg2);
5143 break;
5144 case TARGET_NR_setpriority:
5145 ret = get_errno(setpriority(arg1, arg2, arg3));
5146 break;
5147 #ifdef TARGET_NR_profil
5148 case TARGET_NR_profil:
5149 goto unimplemented;
5150 #endif
5151 case TARGET_NR_statfs:
5152 if (!(p = lock_user_string(arg1)))
5153 goto efault;
5154 ret = get_errno(statfs(path(p), &stfs));
5155 unlock_user(p, arg1, 0);
5156 convert_statfs:
5157 if (!is_error(ret)) {
5158 struct target_statfs *target_stfs;
5159
5160 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5161 goto efault;
5162 __put_user(stfs.f_type, &target_stfs->f_type);
5163 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5164 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5165 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5166 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5167 __put_user(stfs.f_files, &target_stfs->f_files);
5168 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5169 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5170 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5171 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5172 unlock_user_struct(target_stfs, arg2, 1);
5173 }
5174 break;
5175 case TARGET_NR_fstatfs:
5176 ret = get_errno(fstatfs(arg1, &stfs));
5177 goto convert_statfs;
5178 #ifdef TARGET_NR_statfs64
5179 case TARGET_NR_statfs64:
5180 if (!(p = lock_user_string(arg1)))
5181 goto efault;
5182 ret = get_errno(statfs(path(p), &stfs));
5183 unlock_user(p, arg1, 0);
5184 convert_statfs64:
5185 if (!is_error(ret)) {
5186 struct target_statfs64 *target_stfs;
5187
5188 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5189 goto efault;
5190 __put_user(stfs.f_type, &target_stfs->f_type);
5191 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5192 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5193 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5194 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5195 __put_user(stfs.f_files, &target_stfs->f_files);
5196 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5197 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5198 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5199 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5200 unlock_user_struct(target_stfs, arg3, 1);
5201 }
5202 break;
5203 case TARGET_NR_fstatfs64:
5204 ret = get_errno(fstatfs(arg1, &stfs));
5205 goto convert_statfs64;
5206 #endif
5207 #ifdef TARGET_NR_ioperm
5208 case TARGET_NR_ioperm:
5209 goto unimplemented;
5210 #endif
5211 #ifdef TARGET_NR_socketcall
5212 case TARGET_NR_socketcall:
5213 ret = do_socketcall(arg1, arg2);
5214 break;
5215 #endif
5216 #ifdef TARGET_NR_accept
5217 case TARGET_NR_accept:
5218 ret = do_accept(arg1, arg2, arg3);
5219 break;
5220 #endif
5221 #ifdef TARGET_NR_bind
5222 case TARGET_NR_bind:
5223 ret = do_bind(arg1, arg2, arg3);
5224 break;
5225 #endif
5226 #ifdef TARGET_NR_connect
5227 case TARGET_NR_connect:
5228 ret = do_connect(arg1, arg2, arg3);
5229 break;
5230 #endif
5231 #ifdef TARGET_NR_getpeername
5232 case TARGET_NR_getpeername:
5233 ret = do_getpeername(arg1, arg2, arg3);
5234 break;
5235 #endif
5236 #ifdef TARGET_NR_getsockname
5237 case TARGET_NR_getsockname:
5238 ret = do_getsockname(arg1, arg2, arg3);
5239 break;
5240 #endif
5241 #ifdef TARGET_NR_getsockopt
5242 case TARGET_NR_getsockopt:
5243 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5244 break;
5245 #endif
5246 #ifdef TARGET_NR_listen
5247 case TARGET_NR_listen:
5248 ret = get_errno(listen(arg1, arg2));
5249 break;
5250 #endif
5251 #ifdef TARGET_NR_recv
5252 case TARGET_NR_recv:
5253 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
5254 break;
5255 #endif
5256 #ifdef TARGET_NR_recvfrom
5257 case TARGET_NR_recvfrom:
5258 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
5259 break;
5260 #endif
5261 #ifdef TARGET_NR_recvmsg
5262 case TARGET_NR_recvmsg:
5263 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5264 break;
5265 #endif
5266 #ifdef TARGET_NR_send
5267 case TARGET_NR_send:
5268 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
5269 break;
5270 #endif
5271 #ifdef TARGET_NR_sendmsg
5272 case TARGET_NR_sendmsg:
5273 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5274 break;
5275 #endif
5276 #ifdef TARGET_NR_sendto
5277 case TARGET_NR_sendto:
5278 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
5279 break;
5280 #endif
5281 #ifdef TARGET_NR_shutdown
5282 case TARGET_NR_shutdown:
5283 ret = get_errno(shutdown(arg1, arg2));
5284 break;
5285 #endif
5286 #ifdef TARGET_NR_socket
5287 case TARGET_NR_socket:
5288 ret = do_socket(arg1, arg2, arg3);
5289 break;
5290 #endif
5291 #ifdef TARGET_NR_socketpair
5292 case TARGET_NR_socketpair:
5293 ret = do_socketpair(arg1, arg2, arg3, arg4);
5294 break;
5295 #endif
5296 #ifdef TARGET_NR_setsockopt
5297 case TARGET_NR_setsockopt:
5298 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5299 break;
5300 #endif
5301
5302 case TARGET_NR_syslog:
5303 if (!(p = lock_user_string(arg2)))
5304 goto efault;
5305 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5306 unlock_user(p, arg2, 0);
5307 break;
5308
5309 case TARGET_NR_setitimer:
5310 {
5311 struct itimerval value, ovalue, *pvalue;
5312
5313 if (arg2) {
5314 pvalue = &value;
5315 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5316 || copy_from_user_timeval(&pvalue->it_value,
5317 arg2 + sizeof(struct target_timeval)))
5318 goto efault;
5319 } else {
5320 pvalue = NULL;
5321 }
5322 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
5323 if (!is_error(ret) && arg3) {
5324 if (copy_to_user_timeval(arg3,
5325 &ovalue.it_interval)
5326 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5327 &ovalue.it_value))
5328 goto efault;
5329 }
5330 }
5331 break;
5332 case TARGET_NR_getitimer:
5333 {
5334 struct itimerval value;
5335
5336 ret = get_errno(getitimer(arg1, &value));
5337 if (!is_error(ret) && arg2) {
5338 if (copy_to_user_timeval(arg2,
5339 &value.it_interval)
5340 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5341 &value.it_value))
5342 goto efault;
5343 }
5344 }
5345 break;
5346 case TARGET_NR_stat:
5347 if (!(p = lock_user_string(arg1)))
5348 goto efault;
5349 ret = get_errno(stat(path(p), &st));
5350 unlock_user(p, arg1, 0);
5351 goto do_stat;
5352 case TARGET_NR_lstat:
5353 if (!(p = lock_user_string(arg1)))
5354 goto efault;
5355 ret = get_errno(lstat(path(p), &st));
5356 unlock_user(p, arg1, 0);
5357 goto do_stat;
5358 case TARGET_NR_fstat:
5359 {
5360 ret = get_errno(fstat(arg1, &st));
5361 do_stat:
5362 if (!is_error(ret)) {
5363 struct target_stat *target_st;
5364
5365 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5366 goto efault;
5367 __put_user(st.st_dev, &target_st->st_dev);
5368 __put_user(st.st_ino, &target_st->st_ino);
5369 __put_user(st.st_mode, &target_st->st_mode);
5370 __put_user(st.st_uid, &target_st->st_uid);
5371 __put_user(st.st_gid, &target_st->st_gid);
5372 __put_user(st.st_nlink, &target_st->st_nlink);
5373 __put_user(st.st_rdev, &target_st->st_rdev);
5374 __put_user(st.st_size, &target_st->st_size);
5375 __put_user(st.st_blksize, &target_st->st_blksize);
5376 __put_user(st.st_blocks, &target_st->st_blocks);
5377 __put_user(st.st_atime, &target_st->target_st_atime);
5378 __put_user(st.st_mtime, &target_st->target_st_mtime);
5379 __put_user(st.st_ctime, &target_st->target_st_ctime);
5380 unlock_user_struct(target_st, arg2, 1);
5381 }
5382 }
5383 break;
5384 #ifdef TARGET_NR_olduname
5385 case TARGET_NR_olduname:
5386 goto unimplemented;
5387 #endif
5388 #ifdef TARGET_NR_iopl
5389 case TARGET_NR_iopl:
5390 goto unimplemented;
5391 #endif
5392 case TARGET_NR_vhangup:
5393 ret = get_errno(vhangup());
5394 break;
5395 #ifdef TARGET_NR_idle
5396 case TARGET_NR_idle:
5397 goto unimplemented;
5398 #endif
5399 #ifdef TARGET_NR_syscall
5400 case TARGET_NR_syscall:
5401 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5402 break;
5403 #endif
5404 case TARGET_NR_wait4:
5405 {
5406 int status;
5407 abi_long status_ptr = arg2;
5408 struct rusage rusage, *rusage_ptr;
5409 abi_ulong target_rusage = arg4;
5410 if (target_rusage)
5411 rusage_ptr = &rusage;
5412 else
5413 rusage_ptr = NULL;
5414 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5415 if (!is_error(ret)) {
5416 if (status_ptr) {
5417 status = host_to_target_waitstatus(status);
5418 if (put_user_s32(status, status_ptr))
5419 goto efault;
5420 }
5421 if (target_rusage)
5422 host_to_target_rusage(target_rusage, &rusage);
5423 }
5424 }
5425 break;
5426 #ifdef TARGET_NR_swapoff
5427 case TARGET_NR_swapoff:
5428 if (!(p = lock_user_string(arg1)))
5429 goto efault;
5430 ret = get_errno(swapoff(p));
5431 unlock_user(p, arg1, 0);
5432 break;
5433 #endif
5434 case TARGET_NR_sysinfo:
5435 {
5436 struct target_sysinfo *target_value;
5437 struct sysinfo value;
5438 ret = get_errno(sysinfo(&value));
5439 if (!is_error(ret) && arg1)
5440 {
5441 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5442 goto efault;
5443 __put_user(value.uptime, &target_value->uptime);
5444 __put_user(value.loads[0], &target_value->loads[0]);
5445 __put_user(value.loads[1], &target_value->loads[1]);
5446 __put_user(value.loads[2], &target_value->loads[2]);
5447 __put_user(value.totalram, &target_value->totalram);
5448 __put_user(value.freeram, &target_value->freeram);
5449 __put_user(value.sharedram, &target_value->sharedram);
5450 __put_user(value.bufferram, &target_value->bufferram);
5451 __put_user(value.totalswap, &target_value->totalswap);
5452 __put_user(value.freeswap, &target_value->freeswap);
5453 __put_user(value.procs, &target_value->procs);
5454 __put_user(value.totalhigh, &target_value->totalhigh);
5455 __put_user(value.freehigh, &target_value->freehigh);
5456 __put_user(value.mem_unit, &target_value->mem_unit);
5457 unlock_user_struct(target_value, arg1, 1);
5458 }
5459 }
5460 break;
5461 #ifdef TARGET_NR_ipc
5462 case TARGET_NR_ipc:
5463 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5464 break;
5465 #endif
5466 #ifdef TARGET_NR_semget
5467 case TARGET_NR_semget:
5468 ret = get_errno(semget(arg1, arg2, arg3));
5469 break;
5470 #endif
5471 #ifdef TARGET_NR_semop
5472 case TARGET_NR_semop:
5473 ret = get_errno(do_semop(arg1, arg2, arg3));
5474 break;
5475 #endif
5476 #ifdef TARGET_NR_semctl
5477 case TARGET_NR_semctl:
5478 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5479 break;
5480 #endif
5481 #ifdef TARGET_NR_msgctl
5482 case TARGET_NR_msgctl:
5483 ret = do_msgctl(arg1, arg2, arg3);
5484 break;
5485 #endif
5486 #ifdef TARGET_NR_msgget
5487 case TARGET_NR_msgget:
5488 ret = get_errno(msgget(arg1, arg2));
5489 break;
5490 #endif
5491 #ifdef TARGET_NR_msgrcv
5492 case TARGET_NR_msgrcv:
5493 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5494 break;
5495 #endif
5496 #ifdef TARGET_NR_msgsnd
5497 case TARGET_NR_msgsnd:
5498 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5499 break;
5500 #endif
5501 #ifdef TARGET_NR_shmget
5502 case TARGET_NR_shmget:
5503 ret = get_errno(shmget(arg1, arg2, arg3));
5504 break;
5505 #endif
5506 #ifdef TARGET_NR_shmctl
5507 case TARGET_NR_shmctl:
5508 ret = do_shmctl(arg1, arg2, arg3);
5509 break;
5510 #endif
5511 #ifdef TARGET_NR_shmat
5512 case TARGET_NR_shmat:
5513 ret = do_shmat(arg1, arg2, arg3);
5514 break;
5515 #endif
5516 #ifdef TARGET_NR_shmdt
5517 case TARGET_NR_shmdt:
5518 ret = do_shmdt(arg1);
5519 break;
5520 #endif
5521 case TARGET_NR_fsync:
5522 ret = get_errno(fsync(arg1));
5523 break;
5524 case TARGET_NR_clone:
5525 #if defined(TARGET_SH4)
5526 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
5527 #elif defined(TARGET_CRIS)
5528 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
5529 #else
5530 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
5531 #endif
5532 break;
5533 #ifdef __NR_exit_group
5534 /* new thread calls */
5535 case TARGET_NR_exit_group:
5536 #ifdef HAVE_GPROF
5537 _mcleanup();
5538 #endif
5539 gdb_exit(cpu_env, arg1);
5540 ret = get_errno(exit_group(arg1));
5541 break;
5542 #endif
5543 case TARGET_NR_setdomainname:
5544 if (!(p = lock_user_string(arg1)))
5545 goto efault;
5546 ret = get_errno(setdomainname(p, arg2));
5547 unlock_user(p, arg1, 0);
5548 break;
5549 case TARGET_NR_uname:
5550 /* no need to transcode because we use the linux syscall */
5551 {
5552 struct new_utsname * buf;
5553
5554 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5555 goto efault;
5556 ret = get_errno(sys_uname(buf));
5557 if (!is_error(ret)) {
5558 /* Overrite the native machine name with whatever is being
5559 emulated. */
5560 strcpy (buf->machine, UNAME_MACHINE);
5561 /* Allow the user to override the reported release. */
5562 if (qemu_uname_release && *qemu_uname_release)
5563 strcpy (buf->release, qemu_uname_release);
5564 }
5565 unlock_user_struct(buf, arg1, 1);
5566 }
5567 break;
5568 #ifdef TARGET_I386
5569 case TARGET_NR_modify_ldt:
5570 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5571 break;
5572 #if !defined(TARGET_X86_64)
5573 case TARGET_NR_vm86old:
5574 goto unimplemented;
5575 case TARGET_NR_vm86:
5576 ret = do_vm86(cpu_env, arg1, arg2);
5577 break;
5578 #endif
5579 #endif
5580 case TARGET_NR_adjtimex:
5581 goto unimplemented;
5582 #ifdef TARGET_NR_create_module
5583 case TARGET_NR_create_module:
5584 #endif
5585 case TARGET_NR_init_module:
5586 case TARGET_NR_delete_module:
5587 #ifdef TARGET_NR_get_kernel_syms
5588 case TARGET_NR_get_kernel_syms:
5589 #endif
5590 goto unimplemented;
5591 case TARGET_NR_quotactl:
5592 goto unimplemented;
5593 case TARGET_NR_getpgid:
5594 ret = get_errno(getpgid(arg1));
5595 break;
5596 case TARGET_NR_fchdir:
5597 ret = get_errno(fchdir(arg1));
5598 break;
5599 #ifdef TARGET_NR_bdflush /* not on x86_64 */
5600 case TARGET_NR_bdflush:
5601 goto unimplemented;
5602 #endif
5603 #ifdef TARGET_NR_sysfs
5604 case TARGET_NR_sysfs:
5605 goto unimplemented;
5606 #endif
5607 case TARGET_NR_personality:
5608 ret = get_errno(personality(arg1));
5609 break;
5610 #ifdef TARGET_NR_afs_syscall
5611 case TARGET_NR_afs_syscall:
5612 goto unimplemented;
5613 #endif
5614 #ifdef TARGET_NR__llseek /* Not on alpha */
5615 case TARGET_NR__llseek:
5616 {
5617 #if defined (__x86_64__)
5618 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
5619 if (put_user_s64(ret, arg4))
5620 goto efault;
5621 #else
5622 int64_t res;
5623 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
5624 if (put_user_s64(res, arg4))
5625 goto efault;
5626 #endif
5627 }
5628 break;
5629 #endif
5630 case TARGET_NR_getdents:
5631 #if TARGET_ABI_BITS != 32
5632 goto unimplemented;
5633 #elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
5634 {
5635 struct target_dirent *target_dirp;
5636 struct linux_dirent *dirp;
5637 abi_long count = arg3;
5638
5639 dirp = malloc(count);
5640 if (!dirp) {
5641 ret = -TARGET_ENOMEM;
5642 goto fail;
5643 }
5644
5645 ret = get_errno(sys_getdents(arg1, dirp, count));
5646 if (!is_error(ret)) {
5647 struct linux_dirent *de;
5648 struct target_dirent *tde;
5649 int len = ret;
5650 int reclen, treclen;
5651 int count1, tnamelen;
5652
5653 count1 = 0;
5654 de = dirp;
5655 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5656 goto efault;
5657 tde = target_dirp;
5658 while (len > 0) {
5659 reclen = de->d_reclen;
5660 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
5661 tde->d_reclen = tswap16(treclen);
5662 tde->d_ino = tswapl(de->d_ino);
5663 tde->d_off = tswapl(de->d_off);
5664 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
5665 if (tnamelen > 256)
5666 tnamelen = 256;
5667 /* XXX: may not be correct */
5668 pstrcpy(tde->d_name, tnamelen, de->d_name);
5669 de = (struct linux_dirent *)((char *)de + reclen);
5670 len -= reclen;
5671 tde = (struct target_dirent *)((char *)tde + treclen);
5672 count1 += treclen;
5673 }
5674 ret = count1;
5675 unlock_user(target_dirp, arg2, ret);
5676 }
5677 free(dirp);
5678 }
5679 #else
5680 {
5681 struct linux_dirent *dirp;
5682 abi_long count = arg3;
5683
5684 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5685 goto efault;
5686 ret = get_errno(sys_getdents(arg1, dirp, count));
5687 if (!is_error(ret)) {
5688 struct linux_dirent *de;
5689 int len = ret;
5690 int reclen;
5691 de = dirp;
5692 while (len > 0) {
5693 reclen = de->d_reclen;
5694 if (reclen > len)
5695 break;
5696 de->d_reclen = tswap16(reclen);
5697 tswapls(&de->d_ino);
5698 tswapls(&de->d_off);
5699 de = (struct linux_dirent *)((char *)de + reclen);
5700 len -= reclen;
5701 }
5702 }
5703 unlock_user(dirp, arg2, ret);
5704 }
5705 #endif
5706 break;
5707 #if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
5708 case TARGET_NR_getdents64:
5709 {
5710 struct linux_dirent64 *dirp;
5711 abi_long count = arg3;
5712 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5713 goto efault;
5714 ret = get_errno(sys_getdents64(arg1, dirp, count));
5715 if (!is_error(ret)) {
5716 struct linux_dirent64 *de;
5717 int len = ret;
5718 int reclen;
5719 de = dirp;
5720 while (len > 0) {
5721 reclen = de->d_reclen;
5722 if (reclen > len)
5723 break;
5724 de->d_reclen = tswap16(reclen);
5725 tswap64s((uint64_t *)&de->d_ino);
5726 tswap64s((uint64_t *)&de->d_off);
5727 de = (struct linux_dirent64 *)((char *)de + reclen);
5728 len -= reclen;
5729 }
5730 }
5731 unlock_user(dirp, arg2, ret);
5732 }
5733 break;
5734 #endif /* TARGET_NR_getdents64 */
5735 #ifdef TARGET_NR__newselect
5736 case TARGET_NR__newselect:
5737 ret = do_select(arg1, arg2, arg3, arg4, arg5);
5738 break;
5739 #endif
5740 #ifdef TARGET_NR_poll
5741 case TARGET_NR_poll:
5742 {
5743 struct target_pollfd *target_pfd;
5744 unsigned int nfds = arg2;
5745 int timeout = arg3;
5746 struct pollfd *pfd;
5747 unsigned int i;
5748
5749 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5750 if (!target_pfd)
5751 goto efault;
5752 pfd = alloca(sizeof(struct pollfd) * nfds);
5753 for(i = 0; i < nfds; i++) {
5754 pfd[i].fd = tswap32(target_pfd[i].fd);
5755 pfd[i].events = tswap16(target_pfd[i].events);
5756 }
5757 ret = get_errno(poll(pfd, nfds, timeout));
5758 if (!is_error(ret)) {
5759 for(i = 0; i < nfds; i++) {
5760 target_pfd[i].revents = tswap16(pfd[i].revents);
5761 }
5762 ret += nfds * (sizeof(struct target_pollfd)
5763 - sizeof(struct pollfd));
5764 }
5765 unlock_user(target_pfd, arg1, ret);
5766 }
5767 break;
5768 #endif
5769 case TARGET_NR_flock:
5770 /* NOTE: the flock constant seems to be the same for every
5771 Linux platform */
5772 ret = get_errno(flock(arg1, arg2));
5773 break;
5774 case TARGET_NR_readv:
5775 {
5776 int count = arg3;
5777 struct iovec *vec;
5778
5779 vec = alloca(count * sizeof(struct iovec));
5780 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
5781 goto efault;
5782 ret = get_errno(readv(arg1, vec, count));
5783 unlock_iovec(vec, arg2, count, 1);
5784 }
5785 break;
5786 case TARGET_NR_writev:
5787 {
5788 int count = arg3;
5789 struct iovec *vec;
5790
5791 vec = alloca(count * sizeof(struct iovec));
5792 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
5793 goto efault;
5794 ret = get_errno(writev(arg1, vec, count));
5795 unlock_iovec(vec, arg2, count, 0);
5796 }
5797 break;
5798 case TARGET_NR_getsid:
5799 ret = get_errno(getsid(arg1));
5800 break;
5801 #if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
5802 case TARGET_NR_fdatasync:
5803 ret = get_errno(fdatasync(arg1));
5804 break;
5805 #endif
5806 case TARGET_NR__sysctl:
5807 /* We don't implement this, but ENOTDIR is always a safe
5808 return value. */
5809 ret = -TARGET_ENOTDIR;
5810 break;
5811 case TARGET_NR_sched_setparam:
5812 {
5813 struct sched_param *target_schp;
5814 struct sched_param schp;
5815
5816 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
5817 goto efault;
5818 schp.sched_priority = tswap32(target_schp->sched_priority);
5819 unlock_user_struct(target_schp, arg2, 0);
5820 ret = get_errno(sched_setparam(arg1, &schp));
5821 }
5822 break;
5823 case TARGET_NR_sched_getparam:
5824 {
5825 struct sched_param *target_schp;
5826 struct sched_param schp;
5827 ret = get_errno(sched_getparam(arg1, &schp));
5828 if (!is_error(ret)) {
5829 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
5830 goto efault;
5831 target_schp->sched_priority = tswap32(schp.sched_priority);
5832 unlock_user_struct(target_schp, arg2, 1);
5833 }
5834 }
5835 break;
5836 case TARGET_NR_sched_setscheduler:
5837 {
5838 struct sched_param *target_schp;
5839 struct sched_param schp;
5840 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
5841 goto efault;
5842 schp.sched_priority = tswap32(target_schp->sched_priority);
5843 unlock_user_struct(target_schp, arg3, 0);
5844 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
5845 }
5846 break;
5847 case TARGET_NR_sched_getscheduler:
5848 ret = get_errno(sched_getscheduler(arg1));
5849 break;
5850 case TARGET_NR_sched_yield:
5851 ret = get_errno(sched_yield());
5852 break;
5853 case TARGET_NR_sched_get_priority_max:
5854 ret = get_errno(sched_get_priority_max(arg1));
5855 break;
5856 case TARGET_NR_sched_get_priority_min:
5857 ret = get_errno(sched_get_priority_min(arg1));
5858 break;
5859 case TARGET_NR_sched_rr_get_interval:
5860 {
5861 struct timespec ts;
5862 ret = get_errno(sched_rr_get_interval(arg1, &ts));
5863 if (!is_error(ret)) {
5864 host_to_target_timespec(arg2, &ts);
5865 }
5866 }
5867 break;
5868 case TARGET_NR_nanosleep:
5869 {
5870 struct timespec req, rem;
5871 target_to_host_timespec(&req, arg1);
5872 ret = get_errno(nanosleep(&req, &rem));
5873 if (is_error(ret) && arg2) {
5874 host_to_target_timespec(arg2, &rem);
5875 }
5876 }
5877 break;
5878 #ifdef TARGET_NR_query_module
5879 case TARGET_NR_query_module:
5880 goto unimplemented;
5881 #endif
5882 #ifdef TARGET_NR_nfsservctl
5883 case TARGET_NR_nfsservctl:
5884 goto unimplemented;
5885 #endif
5886 case TARGET_NR_prctl:
5887 switch (arg1)
5888 {
5889 case PR_GET_PDEATHSIG:
5890 {
5891 int deathsig;
5892 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
5893 if (!is_error(ret) && arg2
5894 && put_user_ual(deathsig, arg2))
5895 goto efault;
5896 }
5897 break;
5898 default:
5899 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
5900 break;
5901 }
5902 break;
5903 #ifdef TARGET_NR_arch_prctl
5904 case TARGET_NR_arch_prctl:
5905 #if defined(TARGET_I386) && !defined(TARGET_ABI32)
5906 ret = do_arch_prctl(cpu_env, arg1, arg2);
5907 break;
5908 #else
5909 goto unimplemented;
5910 #endif
5911 #endif
5912 #ifdef TARGET_NR_pread
5913 case TARGET_NR_pread:
5914 #ifdef TARGET_ARM
5915 if (((CPUARMState *)cpu_env)->eabi)
5916 arg4 = arg5;
5917 #endif
5918 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5919 goto efault;
5920 ret = get_errno(pread(arg1, p, arg3, arg4));
5921 unlock_user(p, arg2, ret);
5922 break;
5923 case TARGET_NR_pwrite:
5924 #ifdef TARGET_ARM
5925 if (((CPUARMState *)cpu_env)->eabi)
5926 arg4 = arg5;
5927 #endif
5928 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5929 goto efault;
5930 ret = get_errno(pwrite(arg1, p, arg3, arg4));
5931 unlock_user(p, arg2, 0);
5932 break;
5933 #endif
5934 #ifdef TARGET_NR_pread64
5935 case TARGET_NR_pread64:
5936 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5937 goto efault;
5938 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
5939 unlock_user(p, arg2, ret);
5940 break;
5941 case TARGET_NR_pwrite64:
5942 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5943 goto efault;
5944 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
5945 unlock_user(p, arg2, 0);
5946 break;
5947 #endif
5948 case TARGET_NR_getcwd:
5949 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
5950 goto efault;
5951 ret = get_errno(sys_getcwd1(p, arg2));
5952 unlock_user(p, arg1, ret);
5953 break;
5954 case TARGET_NR_capget:
5955 goto unimplemented;
5956 case TARGET_NR_capset:
5957 goto unimplemented;
5958 case TARGET_NR_sigaltstack:
5959 #if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
5960 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
5961 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
5962 break;
5963 #else
5964 goto unimplemented;
5965 #endif
5966 case TARGET_NR_sendfile:
5967 goto unimplemented;
5968 #ifdef TARGET_NR_getpmsg
5969 case TARGET_NR_getpmsg:
5970 goto unimplemented;
5971 #endif
5972 #ifdef TARGET_NR_putpmsg
5973 case TARGET_NR_putpmsg:
5974 goto unimplemented;
5975 #endif
5976 #ifdef TARGET_NR_vfork
5977 case TARGET_NR_vfork:
5978 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
5979 0, 0, 0, 0));
5980 break;
5981 #endif
5982 #ifdef TARGET_NR_ugetrlimit
5983 case TARGET_NR_ugetrlimit:
5984 {
5985 struct rlimit rlim;
5986 ret = get_errno(getrlimit(arg1, &rlim));
5987 if (!is_error(ret)) {
5988 struct target_rlimit *target_rlim;
5989 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5990 goto efault;
5991 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
5992 target_rlim->rlim_max = tswapl(rlim.rlim_max);
5993 unlock_user_struct(target_rlim, arg2, 1);
5994 }
5995 break;
5996 }
5997 #endif
5998 #ifdef TARGET_NR_truncate64
5999 case TARGET_NR_truncate64:
6000 if (!(p = lock_user_string(arg1)))
6001 goto efault;
6002 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6003 unlock_user(p, arg1, 0);
6004 break;
6005 #endif
6006 #ifdef TARGET_NR_ftruncate64
6007 case TARGET_NR_ftruncate64:
6008 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
6009 break;
6010 #endif
6011 #ifdef TARGET_NR_stat64
6012 case TARGET_NR_stat64:
6013 if (!(p = lock_user_string(arg1)))
6014 goto efault;
6015 ret = get_errno(stat(path(p), &st));
6016 unlock_user(p, arg1, 0);
6017 if (!is_error(ret))
6018 ret = host_to_target_stat64(cpu_env, arg2, &st);
6019 break;
6020 #endif
6021 #ifdef TARGET_NR_lstat64
6022 case TARGET_NR_lstat64:
6023 if (!(p = lock_user_string(arg1)))
6024 goto efault;
6025 ret = get_errno(lstat(path(p), &st));
6026 unlock_user(p, arg1, 0);
6027 if (!is_error(ret))
6028 ret = host_to_target_stat64(cpu_env, arg2, &st);
6029 break;
6030 #endif
6031 #ifdef TARGET_NR_fstat64
6032 case TARGET_NR_fstat64:
6033 ret = get_errno(fstat(arg1, &st));
6034 if (!is_error(ret))
6035 ret = host_to_target_stat64(cpu_env, arg2, &st);
6036 break;
6037 #endif
6038 #if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6039 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6040 #ifdef TARGET_NR_fstatat64
6041 case TARGET_NR_fstatat64:
6042 #endif
6043 #ifdef TARGET_NR_newfstatat
6044 case TARGET_NR_newfstatat:
6045 #endif
6046 if (!(p = lock_user_string(arg2)))
6047 goto efault;
6048 #ifdef __NR_fstatat64
6049 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
6050 #else
6051 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6052 #endif
6053 if (!is_error(ret))
6054 ret = host_to_target_stat64(cpu_env, arg3, &st);
6055 break;
6056 #endif
6057 #ifdef USE_UID16
6058 case TARGET_NR_lchown:
6059 if (!(p = lock_user_string(arg1)))
6060 goto efault;
6061 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6062 unlock_user(p, arg1, 0);
6063 break;
6064 case TARGET_NR_getuid:
6065 ret = get_errno(high2lowuid(getuid()));
6066 break;
6067 case TARGET_NR_getgid:
6068 ret = get_errno(high2lowgid(getgid()));
6069 break;
6070 case TARGET_NR_geteuid:
6071 ret = get_errno(high2lowuid(geteuid()));
6072 break;
6073 case TARGET_NR_getegid:
6074 ret = get_errno(high2lowgid(getegid()));
6075 break;
6076 case TARGET_NR_setreuid:
6077 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6078 break;
6079 case TARGET_NR_setregid:
6080 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6081 break;
6082 case TARGET_NR_getgroups:
6083 {
6084 int gidsetsize = arg1;
6085 uint16_t *target_grouplist;
6086 gid_t *grouplist;
6087 int i;
6088
6089 grouplist = alloca(gidsetsize * sizeof(gid_t));
6090 ret = get_errno(getgroups(gidsetsize, grouplist));
6091 if (gidsetsize == 0)
6092 break;
6093 if (!is_error(ret)) {
6094 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6095 if (!target_grouplist)
6096 goto efault;
6097 for(i = 0;i < ret; i++)
6098 target_grouplist[i] = tswap16(grouplist[i]);
6099 unlock_user(target_grouplist, arg2, gidsetsize * 2);
6100 }
6101 }
6102 break;
6103 case TARGET_NR_setgroups:
6104 {
6105 int gidsetsize = arg1;
6106 uint16_t *target_grouplist;
6107 gid_t *grouplist;
6108 int i;
6109
6110 grouplist = alloca(gidsetsize * sizeof(gid_t));
6111 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6112 if (!target_grouplist) {
6113 ret = -TARGET_EFAULT;
6114 goto fail;
6115 }
6116 for(i = 0;i < gidsetsize; i++)
6117 grouplist[i] = tswap16(target_grouplist[i]);
6118 unlock_user(target_grouplist, arg2, 0);
6119 ret = get_errno(setgroups(gidsetsize, grouplist));
6120 }
6121 break;
6122 case TARGET_NR_fchown:
6123 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6124 break;
6125 #if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6126 case TARGET_NR_fchownat:
6127 if (!(p = lock_user_string(arg2)))
6128 goto efault;
6129 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6130 unlock_user(p, arg2, 0);
6131 break;
6132 #endif
6133 #ifdef TARGET_NR_setresuid
6134 case TARGET_NR_setresuid:
6135 ret = get_errno(setresuid(low2highuid(arg1),
6136 low2highuid(arg2),
6137 low2highuid(arg3)));
6138 break;
6139 #endif
6140 #ifdef TARGET_NR_getresuid
6141 case TARGET_NR_getresuid:
6142 {
6143 uid_t ruid, euid, suid;
6144 ret = get_errno(getresuid(&ruid, &euid, &suid));
6145 if (!is_error(ret)) {
6146 if (put_user_u16(high2lowuid(ruid), arg1)
6147 || put_user_u16(high2lowuid(euid), arg2)
6148 || put_user_u16(high2lowuid(suid), arg3))
6149 goto efault;
6150 }
6151 }
6152 break;
6153 #endif
6154 #ifdef TARGET_NR_getresgid
6155 case TARGET_NR_setresgid:
6156 ret = get_errno(setresgid(low2highgid(arg1),
6157 low2highgid(arg2),
6158 low2highgid(arg3)));
6159 break;
6160 #endif
6161 #ifdef TARGET_NR_getresgid
6162 case TARGET_NR_getresgid:
6163 {
6164 gid_t rgid, egid, sgid;
6165 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6166 if (!is_error(ret)) {
6167 if (put_user_u16(high2lowgid(rgid), arg1)
6168 || put_user_u16(high2lowgid(egid), arg2)
6169 || put_user_u16(high2lowgid(sgid), arg3))
6170 goto efault;
6171 }
6172 }
6173 break;
6174 #endif
6175 case TARGET_NR_chown:
6176 if (!(p = lock_user_string(arg1)))
6177 goto efault;
6178 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6179 unlock_user(p, arg1, 0);
6180 break;
6181 case TARGET_NR_setuid:
6182 ret = get_errno(setuid(low2highuid(arg1)));
6183 break;
6184 case TARGET_NR_setgid:
6185 ret = get_errno(setgid(low2highgid(arg1)));
6186 break;
6187 case TARGET_NR_setfsuid:
6188 ret = get_errno(setfsuid(arg1));
6189 break;
6190 case TARGET_NR_setfsgid:
6191 ret = get_errno(setfsgid(arg1));
6192 break;
6193 #endif /* USE_UID16 */
6194
6195 #ifdef TARGET_NR_lchown32
6196 case TARGET_NR_lchown32:
6197 if (!(p = lock_user_string(arg1)))
6198 goto efault;
6199 ret = get_errno(lchown(p, arg2, arg3));
6200 unlock_user(p, arg1, 0);
6201 break;
6202 #endif
6203 #ifdef TARGET_NR_getuid32
6204 case TARGET_NR_getuid32:
6205 ret = get_errno(getuid());
6206 break;
6207 #endif
6208
6209 #if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6210 /* Alpha specific */
6211 case TARGET_NR_getxuid:
6212 {
6213 uid_t euid;
6214 euid=geteuid();
6215 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6216 }
6217 ret = get_errno(getuid());
6218 break;
6219 #endif
6220 #if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6221 /* Alpha specific */
6222 case TARGET_NR_getxgid:
6223 {
6224 uid_t egid;
6225 egid=getegid();
6226 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6227 }
6228 ret = get_errno(getgid());
6229 break;
6230 #endif
6231
6232 #ifdef TARGET_NR_getgid32
6233 case TARGET_NR_getgid32:
6234 ret = get_errno(getgid());
6235 break;
6236 #endif
6237 #ifdef TARGET_NR_geteuid32
6238 case TARGET_NR_geteuid32:
6239 ret = get_errno(geteuid());
6240 break;
6241 #endif
6242 #ifdef TARGET_NR_getegid32
6243 case TARGET_NR_getegid32:
6244 ret = get_errno(getegid());
6245 break;
6246 #endif
6247 #ifdef TARGET_NR_setreuid32
6248 case TARGET_NR_setreuid32:
6249 ret = get_errno(setreuid(arg1, arg2));
6250 break;
6251 #endif
6252 #ifdef TARGET_NR_setregid32
6253 case TARGET_NR_setregid32:
6254 ret = get_errno(setregid(arg1, arg2));
6255 break;
6256 #endif
6257 #ifdef TARGET_NR_getgroups32
6258 case TARGET_NR_getgroups32:
6259 {
6260 int gidsetsize = arg1;
6261 uint32_t *target_grouplist;
6262 gid_t *grouplist;
6263 int i;
6264
6265 grouplist = alloca(gidsetsize * sizeof(gid_t));
6266 ret = get_errno(getgroups(gidsetsize, grouplist));
6267 if (gidsetsize == 0)
6268 break;
6269 if (!is_error(ret)) {
6270 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6271 if (!target_grouplist) {
6272 ret = -TARGET_EFAULT;
6273 goto fail;
6274 }
6275 for(i = 0;i < ret; i++)
6276 target_grouplist[i] = tswap32(grouplist[i]);
6277 unlock_user(target_grouplist, arg2, gidsetsize * 4);
6278 }
6279 }
6280 break;
6281 #endif
6282 #ifdef TARGET_NR_setgroups32
6283 case TARGET_NR_setgroups32:
6284 {
6285 int gidsetsize = arg1;
6286 uint32_t *target_grouplist;
6287 gid_t *grouplist;
6288 int i;
6289
6290 grouplist = alloca(gidsetsize * sizeof(gid_t));
6291 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6292 if (!target_grouplist) {
6293 ret = -TARGET_EFAULT;
6294 goto fail;
6295 }
6296 for(i = 0;i < gidsetsize; i++)
6297 grouplist[i] = tswap32(target_grouplist[i]);
6298 unlock_user(target_grouplist, arg2, 0);
6299 ret = get_errno(setgroups(gidsetsize, grouplist));
6300 }
6301 break;
6302 #endif
6303 #ifdef TARGET_NR_fchown32
6304 case TARGET_NR_fchown32:
6305 ret = get_errno(fchown(arg1, arg2, arg3));
6306 break;
6307 #endif
6308 #ifdef TARGET_NR_setresuid32
6309 case TARGET_NR_setresuid32:
6310 ret = get_errno(setresuid(arg1, arg2, arg3));
6311 break;
6312 #endif
6313 #ifdef TARGET_NR_getresuid32
6314 case TARGET_NR_getresuid32:
6315 {
6316 uid_t ruid, euid, suid;
6317 ret = get_errno(getresuid(&ruid, &euid, &suid));
6318 if (!is_error(ret)) {
6319 if (put_user_u32(ruid, arg1)
6320 || put_user_u32(euid, arg2)
6321 || put_user_u32(suid, arg3))
6322 goto efault;
6323 }
6324 }
6325 break;
6326 #endif
6327 #ifdef TARGET_NR_setresgid32
6328 case TARGET_NR_setresgid32:
6329 ret = get_errno(setresgid(arg1, arg2, arg3));
6330 break;
6331 #endif
6332 #ifdef TARGET_NR_getresgid32
6333 case TARGET_NR_getresgid32:
6334 {
6335 gid_t rgid, egid, sgid;
6336 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6337 if (!is_error(ret)) {
6338 if (put_user_u32(rgid, arg1)
6339 || put_user_u32(egid, arg2)
6340 || put_user_u32(sgid, arg3))
6341 goto efault;
6342 }
6343 }
6344 break;
6345 #endif
6346 #ifdef TARGET_NR_chown32
6347 case TARGET_NR_chown32:
6348 if (!(p = lock_user_string(arg1)))
6349 goto efault;
6350 ret = get_errno(chown(p, arg2, arg3));
6351 unlock_user(p, arg1, 0);
6352 break;
6353 #endif
6354 #ifdef TARGET_NR_setuid32
6355 case TARGET_NR_setuid32:
6356 ret = get_errno(setuid(arg1));
6357 break;
6358 #endif
6359 #ifdef TARGET_NR_setgid32
6360 case TARGET_NR_setgid32:
6361 ret = get_errno(setgid(arg1));
6362 break;
6363 #endif
6364 #ifdef TARGET_NR_setfsuid32
6365 case TARGET_NR_setfsuid32:
6366 ret = get_errno(setfsuid(arg1));
6367 break;
6368 #endif
6369 #ifdef TARGET_NR_setfsgid32
6370 case TARGET_NR_setfsgid32:
6371 ret = get_errno(setfsgid(arg1));
6372 break;
6373 #endif
6374
6375 case TARGET_NR_pivot_root:
6376 goto unimplemented;
6377 #ifdef TARGET_NR_mincore
6378 case TARGET_NR_mincore:
6379 {
6380 void *a;
6381 ret = -TARGET_EFAULT;
6382 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6383 goto efault;
6384 if (!(p = lock_user_string(arg3)))
6385 goto mincore_fail;
6386 ret = get_errno(mincore(a, arg2, p));
6387 unlock_user(p, arg3, ret);
6388 mincore_fail:
6389 unlock_user(a, arg1, 0);
6390 }
6391 break;
6392 #endif
6393 #ifdef TARGET_NR_arm_fadvise64_64
6394 case TARGET_NR_arm_fadvise64_64:
6395 {
6396 /*
6397 * arm_fadvise64_64 looks like fadvise64_64 but
6398 * with different argument order
6399 */
6400 abi_long temp;
6401 temp = arg3;
6402 arg3 = arg4;
6403 arg4 = temp;
6404 }
6405 #endif
6406 #if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
6407 #ifdef TARGET_NR_fadvise64_64
6408 case TARGET_NR_fadvise64_64:
6409 #endif
6410 /* This is a hint, so ignoring and returning success is ok. */
6411 ret = get_errno(0);
6412 break;
6413 #endif
6414 #ifdef TARGET_NR_madvise
6415 case TARGET_NR_madvise:
6416 /* A straight passthrough may not be safe because qemu sometimes
6417 turns private flie-backed mappings into anonymous mappings.
6418 This will break MADV_DONTNEED.
6419 This is a hint, so ignoring and returning success is ok. */
6420 ret = get_errno(0);
6421 break;
6422 #endif
6423 #if TARGET_ABI_BITS == 32
6424 case TARGET_NR_fcntl64:
6425 {
6426 int cmd;
6427 struct flock64 fl;
6428 struct target_flock64 *target_fl;
6429 #ifdef TARGET_ARM
6430 struct target_eabi_flock64 *target_efl;
6431 #endif
6432
6433 switch(arg2){
6434 case TARGET_F_GETLK64:
6435 cmd = F_GETLK64;
6436 break;
6437 case TARGET_F_SETLK64:
6438 cmd = F_SETLK64;
6439 break;
6440 case TARGET_F_SETLKW64:
6441 cmd = F_SETLK64;
6442 break;
6443 default:
6444 cmd = arg2;
6445 break;
6446 }
6447
6448 switch(arg2) {
6449 case TARGET_F_GETLK64:
6450 #ifdef TARGET_ARM
6451 if (((CPUARMState *)cpu_env)->eabi) {
6452 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6453 goto efault;
6454 fl.l_type = tswap16(target_efl->l_type);
6455 fl.l_whence = tswap16(target_efl->l_whence);
6456 fl.l_start = tswap64(target_efl->l_start);
6457 fl.l_len = tswap64(target_efl->l_len);
6458 fl.l_pid = tswapl(target_efl->l_pid);
6459 unlock_user_struct(target_efl, arg3, 0);
6460 } else
6461 #endif
6462 {
6463 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6464 goto efault;
6465 fl.l_type = tswap16(target_fl->l_type);
6466 fl.l_whence = tswap16(target_fl->l_whence);
6467 fl.l_start = tswap64(target_fl->l_start);
6468 fl.l_len = tswap64(target_fl->l_len);
6469 fl.l_pid = tswapl(target_fl->l_pid);
6470 unlock_user_struct(target_fl, arg3, 0);
6471 }
6472 ret = get_errno(fcntl(arg1, cmd, &fl));
6473 if (ret == 0) {
6474 #ifdef TARGET_ARM
6475 if (((CPUARMState *)cpu_env)->eabi) {
6476 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6477 goto efault;
6478 target_efl->l_type = tswap16(fl.l_type);
6479 target_efl->l_whence = tswap16(fl.l_whence);
6480 target_efl->l_start = tswap64(fl.l_start);
6481 target_efl->l_len = tswap64(fl.l_len);
6482 target_efl->l_pid = tswapl(fl.l_pid);
6483 unlock_user_struct(target_efl, arg3, 1);
6484 } else
6485 #endif
6486 {
6487 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6488 goto efault;
6489 target_fl->l_type = tswap16(fl.l_type);
6490 target_fl->l_whence = tswap16(fl.l_whence);
6491 target_fl->l_start = tswap64(fl.l_start);
6492 target_fl->l_len = tswap64(fl.l_len);
6493 target_fl->l_pid = tswapl(fl.l_pid);
6494 unlock_user_struct(target_fl, arg3, 1);
6495 }
6496 }
6497 break;
6498
6499 case TARGET_F_SETLK64:
6500 case TARGET_F_SETLKW64:
6501 #ifdef TARGET_ARM
6502 if (((CPUARMState *)cpu_env)->eabi) {
6503 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6504 goto efault;
6505 fl.l_type = tswap16(target_efl->l_type);
6506 fl.l_whence = tswap16(target_efl->l_whence);
6507 fl.l_start = tswap64(target_efl->l_start);
6508 fl.l_len = tswap64(target_efl->l_len);
6509 fl.l_pid = tswapl(target_efl->l_pid);
6510 unlock_user_struct(target_efl, arg3, 0);
6511 } else
6512 #endif
6513 {
6514 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6515 goto efault;
6516 fl.l_type = tswap16(target_fl->l_type);
6517 fl.l_whence = tswap16(target_fl->l_whence);
6518 fl.l_start = tswap64(target_fl->l_start);
6519 fl.l_len = tswap64(target_fl->l_len);
6520 fl.l_pid = tswapl(target_fl->l_pid);
6521 unlock_user_struct(target_fl, arg3, 0);
6522 }
6523 ret = get_errno(fcntl(arg1, cmd, &fl));
6524 break;
6525 default:
6526 ret = do_fcntl(arg1, cmd, arg3);
6527 break;
6528 }
6529 break;
6530 }
6531 #endif
6532 #ifdef TARGET_NR_cacheflush
6533 case TARGET_NR_cacheflush:
6534 /* self-modifying code is handled automatically, so nothing needed */
6535 ret = 0;
6536 break;
6537 #endif
6538 #ifdef TARGET_NR_security
6539 case TARGET_NR_security:
6540 goto unimplemented;
6541 #endif
6542 #ifdef TARGET_NR_getpagesize
6543 case TARGET_NR_getpagesize:
6544 ret = TARGET_PAGE_SIZE;
6545 break;
6546 #endif
6547 case TARGET_NR_gettid:
6548 ret = get_errno(gettid());
6549 break;
6550 #ifdef TARGET_NR_readahead
6551 case TARGET_NR_readahead:
6552 #if TARGET_ABI_BITS == 32
6553 #ifdef TARGET_ARM
6554 if (((CPUARMState *)cpu_env)->eabi)
6555 {
6556 arg2 = arg3;
6557 arg3 = arg4;
6558 arg4 = arg5;
6559 }
6560 #endif
6561 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
6562 #else
6563 ret = get_errno(readahead(arg1, arg2, arg3));
6564 #endif
6565 break;
6566 #endif
6567 #ifdef TARGET_NR_setxattr
6568 case TARGET_NR_setxattr:
6569 case TARGET_NR_lsetxattr:
6570 case TARGET_NR_fsetxattr:
6571 case TARGET_NR_getxattr:
6572 case TARGET_NR_lgetxattr:
6573 case TARGET_NR_fgetxattr:
6574 case TARGET_NR_listxattr:
6575 case TARGET_NR_llistxattr:
6576 case TARGET_NR_flistxattr:
6577 case TARGET_NR_removexattr:
6578 case TARGET_NR_lremovexattr:
6579 case TARGET_NR_fremovexattr:
6580 goto unimplemented_nowarn;
6581 #endif
6582 #ifdef TARGET_NR_set_thread_area
6583 case TARGET_NR_set_thread_area:
6584 #if defined(TARGET_MIPS)
6585 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
6586 ret = 0;
6587 break;
6588 #elif defined(TARGET_CRIS)
6589 if (arg1 & 0xff)
6590 ret = -TARGET_EINVAL;
6591 else {
6592 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
6593 ret = 0;
6594 }
6595 break;
6596 #elif defined(TARGET_I386) && defined(TARGET_ABI32)
6597 ret = do_set_thread_area(cpu_env, arg1);
6598 break;
6599 #else
6600 goto unimplemented_nowarn;
6601 #endif
6602 #endif
6603 #ifdef TARGET_NR_get_thread_area
6604 case TARGET_NR_get_thread_area:
6605 #if defined(TARGET_I386) && defined(TARGET_ABI32)
6606 ret = do_get_thread_area(cpu_env, arg1);
6607 #else
6608 goto unimplemented_nowarn;
6609 #endif
6610 #endif
6611 #ifdef TARGET_NR_getdomainname
6612 case TARGET_NR_getdomainname:
6613 goto unimplemented_nowarn;
6614 #endif
6615
6616 #ifdef TARGET_NR_clock_gettime
6617 case TARGET_NR_clock_gettime:
6618 {
6619 struct timespec ts;
6620 ret = get_errno(clock_gettime(arg1, &ts));
6621 if (!is_error(ret)) {
6622 host_to_target_timespec(arg2, &ts);
6623 }
6624 break;
6625 }
6626 #endif
6627 #ifdef TARGET_NR_clock_getres
6628 case TARGET_NR_clock_getres:
6629 {
6630 struct timespec ts;
6631 ret = get_errno(clock_getres(arg1, &ts));
6632 if (!is_error(ret)) {
6633 host_to_target_timespec(arg2, &ts);
6634 }
6635 break;
6636 }
6637 #endif
6638 #ifdef TARGET_NR_clock_nanosleep
6639 case TARGET_NR_clock_nanosleep:
6640 {
6641 struct timespec ts;
6642 target_to_host_timespec(&ts, arg3);
6643 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
6644 if (arg4)
6645 host_to_target_timespec(arg4, &ts);
6646 break;
6647 }
6648 #endif
6649
6650 #if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
6651 case TARGET_NR_set_tid_address:
6652 ret = get_errno(set_tid_address((int *)g2h(arg1)));
6653 break;
6654 #endif
6655
6656 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)
6657 case TARGET_NR_tkill:
6658 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
6659 break;
6660 #endif
6661
6662 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
6663 case TARGET_NR_tgkill:
6664 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
6665 target_to_host_signal(arg3)));
6666 break;
6667 #endif
6668
6669 #ifdef TARGET_NR_set_robust_list
6670 case TARGET_NR_set_robust_list:
6671 goto unimplemented_nowarn;
6672 #endif
6673
6674 #if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
6675 case TARGET_NR_utimensat:
6676 {
6677 struct timespec *tsp, ts[2];
6678 if (!arg3) {
6679 tsp = NULL;
6680 } else {
6681 target_to_host_timespec(ts, arg3);
6682 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
6683 tsp = ts;
6684 }
6685 if (!arg2)
6686 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
6687 else {
6688 if (!(p = lock_user_string(arg2))) {
6689 ret = -TARGET_EFAULT;
6690 goto fail;
6691 }
6692 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
6693 unlock_user(p, arg2, 0);
6694 }
6695 }
6696 break;
6697 #endif
6698 #if defined(USE_NPTL)
6699 case TARGET_NR_futex:
6700 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
6701 break;
6702 #endif
6703 #if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
6704 case TARGET_NR_inotify_init:
6705 ret = get_errno(sys_inotify_init());
6706 break;
6707 #endif
6708 #if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
6709 case TARGET_NR_inotify_add_watch:
6710 p = lock_user_string(arg2);
6711 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
6712 unlock_user(p, arg2, 0);
6713 break;
6714 #endif
6715 #if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
6716 case TARGET_NR_inotify_rm_watch:
6717 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
6718 break;
6719 #endif
6720
6721 #ifdef TARGET_NR_mq_open
6722 case TARGET_NR_mq_open:
6723 {
6724 struct mq_attr posix_mq_attr;
6725
6726 p = lock_user_string(arg1 - 1);
6727 if (arg4 != 0)
6728 copy_from_user_mq_attr (&posix_mq_attr, arg4);
6729 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
6730 unlock_user (p, arg1, 0);
6731 }
6732 break;
6733
6734 case TARGET_NR_mq_unlink:
6735 p = lock_user_string(arg1 - 1);
6736 ret = get_errno(mq_unlink(p));
6737 unlock_user (p, arg1, 0);
6738 break;
6739
6740 case TARGET_NR_mq_timedsend:
6741 {
6742 struct timespec ts;
6743
6744 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6745 if (arg5 != 0) {
6746 target_to_host_timespec(&ts, arg5);
6747 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
6748 host_to_target_timespec(arg5, &ts);
6749 }
6750 else
6751 ret = get_errno(mq_send(arg1, p, arg3, arg4));
6752 unlock_user (p, arg2, arg3);
6753 }
6754 break;
6755
6756 case TARGET_NR_mq_timedreceive:
6757 {
6758 struct timespec ts;
6759 unsigned int prio;
6760
6761 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6762 if (arg5 != 0) {
6763 target_to_host_timespec(&ts, arg5);
6764 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
6765 host_to_target_timespec(arg5, &ts);
6766 }
6767 else
6768 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
6769 unlock_user (p, arg2, arg3);
6770 if (arg4 != 0)
6771 put_user_u32(prio, arg4);
6772 }
6773 break;
6774
6775 /* Not implemented for now... */
6776 /* case TARGET_NR_mq_notify: */
6777 /* break; */
6778
6779 case TARGET_NR_mq_getsetattr:
6780 {
6781 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
6782 ret = 0;
6783 if (arg3 != 0) {
6784 ret = mq_getattr(arg1, &posix_mq_attr_out);
6785 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
6786 }
6787 if (arg2 != 0) {
6788 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
6789 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
6790 }
6791
6792 }
6793 break;
6794 #endif
6795
6796 default:
6797 unimplemented:
6798 gemu_log("qemu: Unsupported syscall: %d\n", num);
6799 #if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
6800 unimplemented_nowarn:
6801 #endif
6802 ret = -TARGET_ENOSYS;
6803 break;
6804 }
6805 fail:
6806 #ifdef DEBUG
6807 gemu_log(" = %ld\n", ret);
6808 #endif
6809 if(do_strace)
6810 print_syscall_ret(num, ret);
6811 return ret;
6812 efault:
6813 ret = -TARGET_EFAULT;
6814 goto fail;
6815 }
AR7 emulation for QEMU