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Qemu support for S32 and U32 alsa output, by Vassili Karpov.
[qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 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., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
31e31b8a
FB		 30#include <sys/types.h>
31#include <sys/wait.h>
32#include <sys/time.h>
33#include <sys/stat.h>
34#include <sys/mount.h>
39b9aae1 35#include <sys/prctl.h>
31e31b8a
FB		 36#include <sys/resource.h>
37#include <sys/mman.h>
38#include <sys/swap.h>
39#include <signal.h>
40#include <sched.h>
41#include <sys/socket.h>
42#include <sys/uio.h>
9de5e440 43#include <sys/poll.h>
32f36bce 44#include <sys/times.h>
8853f86e 45#include <sys/shm.h>
fa294816 46#include <sys/sem.h>
56c8f68f 47#include <sys/statfs.h>
ebc05488 48#include <utime.h>
a5448a7d 49#include <sys/sysinfo.h>
72f03900 50//#include <sys/user.h>
8853f86e 51#include <netinet/ip.h>
7854b056 52#include <netinet/tcp.h>
31e31b8a
FB		 53
54#define termios host_termios
55#define winsize host_winsize
56#define termio host_termio
04369ff2
FB		 57#define sgttyb host_sgttyb /* same as target */
58#define tchars host_tchars /* same as target */
59#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 60
61#include <linux/termios.h>
62#include <linux/unistd.h>
63#include <linux/utsname.h>
64#include <linux/cdrom.h>
65#include <linux/hdreg.h>
66#include <linux/soundcard.h>
dab2ed99 67#include <linux/dirent.h>
19b84f3c 68#include <linux/kd.h>
31e31b8a 69
3ef693a0 70#include "qemu.h"
31e31b8a 71
72f03900 72//#define DEBUG
31e31b8a 73
e6e5906b
PB		 74#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
75 || defined(TARGET_M68K)
67867308
FB		 76/* 16 bit uid wrappers emulation */
77#define USE_UID16
78#endif
79
1a9353d2
FB		 80//#include <linux/msdos_fs.h>
81#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
82#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
83
70a194b9 84
70a194b9
FB		 85#undef _syscall0
86#undef _syscall1
87#undef _syscall2
88#undef _syscall3
89#undef _syscall4
90#undef _syscall5
83fcb515 91#undef _syscall6
70a194b9 92
83fcb515
FB		 93#define _syscall0(type,name) \
94type name (void) \
95{ \
96 return syscall(__NR_##name); \
97}
70a194b9 98
83fcb515
FB		 99#define _syscall1(type,name,type1,arg1) \
100type name (type1 arg1) \
101{ \
102 return syscall(__NR_##name, arg1); \
70a194b9
FB		 103}
104
83fcb515
FB		 105#define _syscall2(type,name,type1,arg1,type2,arg2) \
106type name (type1 arg1,type2 arg2) \
107{ \
108 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 109}
110
83fcb515
FB		 111#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
112type name (type1 arg1,type2 arg2,type3 arg3) \
113{ \
114 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 115}
116
83fcb515
FB		 117#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
118type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
119{ \
120 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 121}
122
83fcb515
FB		 123#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
124 type5,arg5) \
125type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
126{ \
127 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 128}
129
83fcb515
FB		 130
131#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
132 type5,arg5,type6,arg6) \
133type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
134{ \
135 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 136}
83fcb515 137
70a194b9 138
31e31b8a 139#define __NR_sys_uname __NR_uname
72f03900 140#define __NR_sys_getcwd1 __NR_getcwd
72f03900 141#define __NR_sys_getdents __NR_getdents
dab2ed99 142#define __NR_sys_getdents64 __NR_getdents64
66fb9763 143#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
7494b0f9 144#define __NR_sys_syslog __NR_syslog
31e31b8a 145
bc51c5c9 146#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 147#define __NR__llseek __NR_lseek
148#endif
149
72f03900 150#ifdef __NR_gettid
31e31b8a 151_syscall0(int, gettid)
72f03900
FB		 152#else
153static int gettid(void) {
154 return -ENOSYS;
155}
156#endif
31e31b8a 157_syscall1(int,sys_uname,struct new_utsname *,buf)
72f03900
FB		 158_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
159_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
dab2ed99 160_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
31e31b8a
FB		 161_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
162 loff_t *, res, uint, wh);
66fb9763 163_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
7494b0f9 164_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
ec86b0fb
FB		 165#ifdef __NR_exit_group
166_syscall1(int,exit_group,int,error_code)
167#endif
66fb9763
FB		 168
169extern int personality(int);
9de5e440
FB		 170extern int flock(int, int);
171extern int setfsuid(int);
172extern int setfsgid(int);
5cd4393b
FB		 173extern int setresuid(uid_t, uid_t, uid_t);
174extern int getresuid(uid_t *, uid_t *, uid_t *);
175extern int setresgid(gid_t, gid_t, gid_t);
176extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 177extern int setgroups(int, gid_t *);
31e31b8a
FB		 178
179static inline long get_errno(long ret)
180{
181 if (ret == -1)
182 return -errno;
183 else
184 return ret;
185}
186
187static inline int is_error(long ret)
188{
189 return (unsigned long)ret >= (unsigned long)(-4096);
190}
191
53a5960a
PB		 192static target_ulong target_brk;
193static target_ulong target_original_brk;
31e31b8a 194
53a5960a 195void target_set_brk(target_ulong new_brk)
31e31b8a 196{
53a5960a 197 target_original_brk = target_brk = new_brk;
31e31b8a
FB		 198}
199
53a5960a 200long do_brk(target_ulong new_brk)
31e31b8a 201{
53a5960a 202 target_ulong brk_page;
31e31b8a
FB		 203 long mapped_addr;
204 int new_alloc_size;
205
206 if (!new_brk)
53a5960a 207 return target_brk;
31e31b8a
FB		 208 if (new_brk < target_original_brk)
209 return -ENOMEM;
210
53a5960a 211 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 212
213 /* If the new brk is less than this, set it and we're done... */
214 if (new_brk < brk_page) {
215 target_brk = new_brk;
53a5960a 216 return target_brk;
31e31b8a
FB		 217 }
218
219 /* We need to allocate more memory after the brk... */
54936004 220 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
53a5960a 221 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 222 PROT_READ|PROT_WRITE,
223 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
31e31b8a
FB		 224 if (is_error(mapped_addr)) {
225 return mapped_addr;
226 } else {
227 target_brk = new_brk;
53a5960a 228 return target_brk;
31e31b8a
FB		 229 }
230}
231
232static inline fd_set *target_to_host_fds(fd_set *fds,
233 target_long *target_fds, int n)
234{
7854b056 235#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 236 return (fd_set *)target_fds;
237#else
238 int i, b;
239 if (target_fds) {
240 FD_ZERO(fds);
241 for(i = 0;i < n; i++) {
242 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
243 (i & (TARGET_LONG_BITS - 1))) & 1;
244 if (b)
245 FD_SET(i, fds);
246 }
247 return fds;
248 } else {
249 return NULL;
250 }
251#endif
252}
253
254static inline void host_to_target_fds(target_long *target_fds,
255 fd_set *fds, int n)
256{
7854b056 257#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 258 /* nothing to do */
259#else
260 int i, nw, j, k;
261 target_long v;
262
263 if (target_fds) {
8853f86e 264 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
31e31b8a
FB		 265 k = 0;
266 for(i = 0;i < nw; i++) {
267 v = 0;
268 for(j = 0; j < TARGET_LONG_BITS; j++) {
269 v |= ((FD_ISSET(k, fds) != 0) << j);
270 k++;
271 }
272 target_fds[i] = tswapl(v);
273 }
274 }
275#endif
276}
277
c596ed17
FB		 278#if defined(__alpha__)
279#define HOST_HZ 1024
280#else
281#define HOST_HZ 100
282#endif
283
284static inline long host_to_target_clock_t(long ticks)
285{
286#if HOST_HZ == TARGET_HZ
287 return ticks;
288#else
289 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
290#endif
291}
292
53a5960a 293static inline void host_to_target_rusage(target_ulong target_addr,
b409186b
FB		 294 const struct rusage *rusage)
295{
53a5960a
PB		 296 struct target_rusage *target_rusage;
297
298 lock_user_struct(target_rusage, target_addr, 0);
b409186b
FB		 299 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
300 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
301 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
302 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
303 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
304 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
305 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
306 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
307 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
308 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
309 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
310 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
311 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
312 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
313 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
314 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
315 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
316 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 317 unlock_user_struct(target_rusage, target_addr, 1);
b409186b
FB		 318}
319
53a5960a
PB		 320static inline void target_to_host_timeval(struct timeval *tv,
321 target_ulong target_addr)
31e31b8a 322{
53a5960a
PB		 323 struct target_timeval *target_tv;
324
325 lock_user_struct(target_tv, target_addr, 1);
66fb9763
FB		 326 tv->tv_sec = tswapl(target_tv->tv_sec);
327 tv->tv_usec = tswapl(target_tv->tv_usec);
53a5960a 328 unlock_user_struct(target_tv, target_addr, 0);
31e31b8a
FB		 329}
330
53a5960a 331static inline void host_to_target_timeval(target_ulong target_addr,
5cd4393b 332 const struct timeval *tv)
31e31b8a 333{
53a5960a
PB		 334 struct target_timeval *target_tv;
335
336 lock_user_struct(target_tv, target_addr, 0);
66fb9763
FB		 337 target_tv->tv_sec = tswapl(tv->tv_sec);
338 target_tv->tv_usec = tswapl(tv->tv_usec);
53a5960a 339 unlock_user_struct(target_tv, target_addr, 1);
31e31b8a
FB		 340}
341
342
343static long do_select(long n,
53a5960a
PB		 344 target_ulong rfd_p, target_ulong wfd_p,
345 target_ulong efd_p, target_ulong target_tv)
31e31b8a
FB		 346{
347 fd_set rfds, wfds, efds;
348 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
53a5960a 349 target_long *target_rfds, *target_wfds, *target_efds;
31e31b8a
FB		 350 struct timeval tv, *tv_ptr;
351 long ret;
53a5960a 352 int ok;
31e31b8a 353
53a5960a
PB		 354 if (rfd_p) {
355 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
356 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
357 } else {
358 target_rfds = NULL;
359 rfds_ptr = NULL;
360 }
361 if (wfd_p) {
362 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
363 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
364 } else {
365 target_wfds = NULL;
366 wfds_ptr = NULL;
367 }
368 if (efd_p) {
369 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
370 efds_ptr = target_to_host_fds(&efds, target_efds, n);
371 } else {
372 target_efds = NULL;
373 efds_ptr = NULL;
374 }
31e31b8a
FB		 375
376 if (target_tv) {
5cd4393b 377 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 378 tv_ptr = &tv;
379 } else {
380 tv_ptr = NULL;
381 }
382 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a
PB		 383 ok = !is_error(ret);
384
385 if (ok) {
31e31b8a
FB		 386 host_to_target_fds(target_rfds, rfds_ptr, n);
387 host_to_target_fds(target_wfds, wfds_ptr, n);
388 host_to_target_fds(target_efds, efds_ptr, n);
389
390 if (target_tv) {
5cd4393b 391 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 392 }
393 }
53a5960a
PB		 394 if (target_rfds)
395 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
396 if (target_wfds)
397 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
398 if (target_efds)
399 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
400
31e31b8a
FB		 401 return ret;
402}
403
7854b056 404static inline void target_to_host_sockaddr(struct sockaddr *addr,
53a5960a 405 target_ulong target_addr,
7854b056
FB		 406 socklen_t len)
407{
53a5960a
PB		 408 struct target_sockaddr *target_saddr;
409
410 target_saddr = lock_user(target_addr, len, 1);
411 memcpy(addr, target_saddr, len);
412 addr->sa_family = tswap16(target_saddr->sa_family);
413 unlock_user(target_saddr, target_addr, 0);
7854b056
FB		 414}
415
53a5960a 416static inline void host_to_target_sockaddr(target_ulong target_addr,
7854b056
FB		 417 struct sockaddr *addr,
418 socklen_t len)
419{
53a5960a
PB		 420 struct target_sockaddr *target_saddr;
421
422 target_saddr = lock_user(target_addr, len, 0);
423 memcpy(target_saddr, addr, len);
424 target_saddr->sa_family = tswap16(addr->sa_family);
425 unlock_user(target_saddr, target_addr, len);
7854b056
FB		 426}
427
53a5960a 428/* ??? Should this also swap msgh->name? */
7854b056
FB		 429static inline void target_to_host_cmsg(struct msghdr *msgh,
430 struct target_msghdr *target_msgh)
431{
432 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
433 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
434 socklen_t space = 0;
435
436 while (cmsg && target_cmsg) {
437 void *data = CMSG_DATA(cmsg);
438 void *target_data = TARGET_CMSG_DATA(target_cmsg);
439
440 int len = tswapl(target_cmsg->cmsg_len)
441 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
442
443 space += CMSG_SPACE(len);
444 if (space > msgh->msg_controllen) {
445 space -= CMSG_SPACE(len);
31febb71 446 gemu_log("Host cmsg overflow\n");
7854b056
FB		 447 break;
448 }
449
450 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
451 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
452 cmsg->cmsg_len = CMSG_LEN(len);
453
3532fa74 454 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 455 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
456 memcpy(data, target_data, len);
457 } else {
458 int *fd = (int *)data;
459 int *target_fd = (int *)target_data;
460 int i, numfds = len / sizeof(int);
461
462 for (i = 0; i < numfds; i++)
463 fd[i] = tswap32(target_fd[i]);
464 }
465
466 cmsg = CMSG_NXTHDR(msgh, cmsg);
467 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
468 }
469
470 msgh->msg_controllen = space;
471}
472
53a5960a 473/* ??? Should this also swap msgh->name? */
7854b056
FB		 474static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
475 struct msghdr *msgh)
476{
477 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
478 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
479 socklen_t space = 0;
480
481 while (cmsg && target_cmsg) {
482 void *data = CMSG_DATA(cmsg);
483 void *target_data = TARGET_CMSG_DATA(target_cmsg);
484
485 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
486
487 space += TARGET_CMSG_SPACE(len);
488 if (space > tswapl(target_msgh->msg_controllen)) {
489 space -= TARGET_CMSG_SPACE(len);
31febb71 490 gemu_log("Target cmsg overflow\n");
7854b056
FB		 491 break;
492 }
493
494 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
495 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
496 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
497
3532fa74 498 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 499 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
500 memcpy(target_data, data, len);
501 } else {
502 int *fd = (int *)data;
503 int *target_fd = (int *)target_data;
504 int i, numfds = len / sizeof(int);
505
506 for (i = 0; i < numfds; i++)
507 target_fd[i] = tswap32(fd[i]);
508 }
509
510 cmsg = CMSG_NXTHDR(msgh, cmsg);
511 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
512 }
513
514 msgh->msg_controllen = tswapl(space);
515}
516
517static long do_setsockopt(int sockfd, int level, int optname,
53a5960a 518 target_ulong optval, socklen_t optlen)
7854b056 519{
8853f86e
FB		 520 int val, ret;
521
522 switch(level) {
523 case SOL_TCP:
7854b056 524 /* TCP options all take an 'int' value. */
7854b056
FB		 525 if (optlen < sizeof(uint32_t))
526 return -EINVAL;
8853f86e 527
53a5960a 528 val = tget32(optval);
8853f86e
FB		 529 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
530 break;
531 case SOL_IP:
532 switch(optname) {
2efbe911
FB		 533 case IP_TOS:
534 case IP_TTL:
8853f86e 535 case IP_HDRINCL:
2efbe911
FB		 536 case IP_ROUTER_ALERT:
537 case IP_RECVOPTS:
538 case IP_RETOPTS:
539 case IP_PKTINFO:
540 case IP_MTU_DISCOVER:
541 case IP_RECVERR:
542 case IP_RECVTOS:
543#ifdef IP_FREEBIND
544 case IP_FREEBIND:
545#endif
546 case IP_MULTICAST_TTL:
547 case IP_MULTICAST_LOOP:
8853f86e
FB		 548 val = 0;
549 if (optlen >= sizeof(uint32_t)) {
53a5960a 550 val = tget32(optval);
8853f86e 551 } else if (optlen >= 1) {
53a5960a 552 val = tget8(optval);
8853f86e
FB		 553 }
554 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
555 break;
556 default:
557 goto unimplemented;
558 }
559 break;
3532fa74 560 case TARGET_SOL_SOCKET:
8853f86e
FB		 561 switch (optname) {
562 /* Options with 'int' argument. */
3532fa74
FB		 563 case TARGET_SO_DEBUG:
564 optname = SO_DEBUG;
565 break;
566 case TARGET_SO_REUSEADDR:
567 optname = SO_REUSEADDR;
568 break;
569 case TARGET_SO_TYPE:
570 optname = SO_TYPE;
571 break;
572 case TARGET_SO_ERROR:
573 optname = SO_ERROR;
574 break;
575 case TARGET_SO_DONTROUTE:
576 optname = SO_DONTROUTE;
577 break;
578 case TARGET_SO_BROADCAST:
579 optname = SO_BROADCAST;
580 break;
581 case TARGET_SO_SNDBUF:
582 optname = SO_SNDBUF;
583 break;
584 case TARGET_SO_RCVBUF:
585 optname = SO_RCVBUF;
586 break;
587 case TARGET_SO_KEEPALIVE:
588 optname = SO_KEEPALIVE;
589 break;
590 case TARGET_SO_OOBINLINE:
591 optname = SO_OOBINLINE;
592 break;
593 case TARGET_SO_NO_CHECK:
594 optname = SO_NO_CHECK;
595 break;
596 case TARGET_SO_PRIORITY:
597 optname = SO_PRIORITY;
598 break;
5e83e8e3 599#ifdef SO_BSDCOMPAT
3532fa74
FB		 600 case TARGET_SO_BSDCOMPAT:
601 optname = SO_BSDCOMPAT;
602 break;
5e83e8e3 603#endif
3532fa74
FB		 604 case TARGET_SO_PASSCRED:
605 optname = SO_PASSCRED;
606 break;
607 case TARGET_SO_TIMESTAMP:
608 optname = SO_TIMESTAMP;
609 break;
610 case TARGET_SO_RCVLOWAT:
611 optname = SO_RCVLOWAT;
612 break;
613 case TARGET_SO_RCVTIMEO:
614 optname = SO_RCVTIMEO;
615 break;
616 case TARGET_SO_SNDTIMEO:
617 optname = SO_SNDTIMEO;
618 break;
8853f86e
FB		 619 break;
620 default:
621 goto unimplemented;
622 }
3532fa74
FB		 623 if (optlen < sizeof(uint32_t))
624 return -EINVAL;
625
626 val = tget32(optval);
627 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 628 break;
7854b056 629 default:
8853f86e
FB		 630 unimplemented:
631 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
632 ret = -ENOSYS;
7854b056 633 }
8853f86e 634 return ret;
7854b056
FB		 635}
636
637static long do_getsockopt(int sockfd, int level, int optname,
53a5960a 638 target_ulong optval, target_ulong optlen)
7854b056 639{
8853f86e
FB		 640 int len, lv, val, ret;
641
642 switch(level) {
3532fa74
FB		 643 case TARGET_SOL_SOCKET:
644 level = SOL_SOCKET;
8853f86e 645 switch (optname) {
3532fa74
FB		 646 case TARGET_SO_LINGER:
647 case TARGET_SO_RCVTIMEO:
648 case TARGET_SO_SNDTIMEO:
649 case TARGET_SO_PEERCRED:
650 case TARGET_SO_PEERNAME:
8853f86e
FB		 651 /* These don't just return a single integer */
652 goto unimplemented;
653 default:
2efbe911
FB		 654 goto int_case;
655 }
656 break;
657 case SOL_TCP:
658 /* TCP options all take an 'int' value. */
659 int_case:
53a5960a 660 len = tget32(optlen);
2efbe911
FB		 661 if (len < 0)
662 return -EINVAL;
663 lv = sizeof(int);
664 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
665 if (ret < 0)
666 return ret;
667 val = tswap32(val);
668 if (len > lv)
669 len = lv;
53a5960a
PB		 670 if (len == 4)
671 tput32(optval, val);
672 else
673 tput8(optval, val);
674 tput32(optlen, len);
2efbe911
FB		 675 break;
676 case SOL_IP:
677 switch(optname) {
678 case IP_TOS:
679 case IP_TTL:
680 case IP_HDRINCL:
681 case IP_ROUTER_ALERT:
682 case IP_RECVOPTS:
683 case IP_RETOPTS:
684 case IP_PKTINFO:
685 case IP_MTU_DISCOVER:
686 case IP_RECVERR:
687 case IP_RECVTOS:
688#ifdef IP_FREEBIND
689 case IP_FREEBIND:
690#endif
691 case IP_MULTICAST_TTL:
692 case IP_MULTICAST_LOOP:
53a5960a 693 len = tget32(optlen);
8853f86e
FB		 694 if (len < 0)
695 return -EINVAL;
696 lv = sizeof(int);
697 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
698 if (ret < 0)
699 return ret;
2efbe911 700 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 701 len = 1;
53a5960a
PB		 702 tput32(optlen, len);
703 tput8(optval, val);
2efbe911 704 } else {
2efbe911
FB		 705 if (len > sizeof(int))
706 len = sizeof(int);
53a5960a
PB		 707 tput32(optlen, len);
708 tput32(optval, val);
2efbe911 709 }
8853f86e 710 break;
2efbe911
FB		 711 default:
712 goto unimplemented;
8853f86e
FB		 713 }
714 break;
715 default:
716 unimplemented:
717 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
718 level, optname);
719 ret = -ENOSYS;
720 break;
721 }
722 return ret;
7854b056
FB		 723}
724
53a5960a
PB		 725static void lock_iovec(struct iovec *vec, target_ulong target_addr,
726 int count, int copy)
727{
728 struct target_iovec *target_vec;
729 target_ulong base;
730 int i;
731
732 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
733 for(i = 0;i < count; i++) {
734 base = tswapl(target_vec[i].iov_base);
735 vec[i].iov_len = tswapl(target_vec[i].iov_len);
736 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
737 }
738 unlock_user (target_vec, target_addr, 0);
739}
740
741static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
742 int count, int copy)
743{
744 struct target_iovec *target_vec;
745 target_ulong base;
746 int i;
747
748 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
749 for(i = 0;i < count; i++) {
750 base = tswapl(target_vec[i].iov_base);
751 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
752 }
753 unlock_user (target_vec, target_addr, 0);
754}
755
3532fa74
FB		 756static long do_socket(int domain, int type, int protocol)
757{
758#if defined(TARGET_MIPS)
759 switch(type) {
760 case TARGET_SOCK_DGRAM:
761 type = SOCK_DGRAM;
762 break;
763 case TARGET_SOCK_STREAM:
764 type = SOCK_STREAM;
765 break;
766 case TARGET_SOCK_RAW:
767 type = SOCK_RAW;
768 break;
769 case TARGET_SOCK_RDM:
770 type = SOCK_RDM;
771 break;
772 case TARGET_SOCK_SEQPACKET:
773 type = SOCK_SEQPACKET;
774 break;
775 case TARGET_SOCK_PACKET:
776 type = SOCK_PACKET;
777 break;
778 }
779#endif
780 return get_errno(socket(domain, type, protocol));
781}
782
783static long do_bind(int sockfd, target_ulong target_addr,
784 socklen_t addrlen)
785{
786 void *addr = alloca(addrlen);
787
788 target_to_host_sockaddr(addr, target_addr, addrlen);
789 return get_errno(bind(sockfd, addr, addrlen));
790}
791
792static long do_connect(int sockfd, target_ulong target_addr,
793 socklen_t addrlen)
794{
795 void *addr = alloca(addrlen);
796
797 target_to_host_sockaddr(addr, target_addr, addrlen);
798 return get_errno(connect(sockfd, addr, addrlen));
799}
800
801static long do_sendrecvmsg(int fd, target_ulong target_msg,
802 int flags, int send)
803{
804 long ret;
805 struct target_msghdr *msgp;
806 struct msghdr msg;
807 int count;
808 struct iovec *vec;
809 target_ulong target_vec;
810
811 lock_user_struct(msgp, target_msg, 1);
812 if (msgp->msg_name) {
813 msg.msg_namelen = tswap32(msgp->msg_namelen);
814 msg.msg_name = alloca(msg.msg_namelen);
815 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
816 msg.msg_namelen);
817 } else {
818 msg.msg_name = NULL;
819 msg.msg_namelen = 0;
820 }
821 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
822 msg.msg_control = alloca(msg.msg_controllen);
823 msg.msg_flags = tswap32(msgp->msg_flags);
824
825 count = tswapl(msgp->msg_iovlen);
826 vec = alloca(count * sizeof(struct iovec));
827 target_vec = tswapl(msgp->msg_iov);
828 lock_iovec(vec, target_vec, count, send);
829 msg.msg_iovlen = count;
830 msg.msg_iov = vec;
831
832 if (send) {
833 target_to_host_cmsg(&msg, msgp);
834 ret = get_errno(sendmsg(fd, &msg, flags));
835 } else {
836 ret = get_errno(recvmsg(fd, &msg, flags));
837 if (!is_error(ret))
838 host_to_target_cmsg(msgp, &msg);
839 }
840 unlock_iovec(vec, target_vec, count, !send);
841 return ret;
842}
843
1be9e1dc
PB		 844static long do_accept(int fd, target_ulong target_addr,
845 target_ulong target_addrlen)
846{
847 socklen_t addrlen = tget32(target_addrlen);
197ea35a 848 void *addr = alloca(addrlen);
1be9e1dc
PB		 849 long ret;
850
851 ret = get_errno(accept(fd, addr, &addrlen));
852 if (!is_error(ret)) {
853 host_to_target_sockaddr(target_addr, addr, addrlen);
854 tput32(target_addrlen, addrlen);
855 }
856 return ret;
857}
858
859static long do_getpeername(int fd, target_ulong target_addr,
860 target_ulong target_addrlen)
861{
862 socklen_t addrlen = tget32(target_addrlen);
863 void *addr = alloca(target_addrlen);
864 long ret;
865
866 ret = get_errno(getpeername(fd, addr, &addrlen));
867 if (!is_error(ret)) {
868 host_to_target_sockaddr(target_addr, addr, addrlen);
869 tput32(target_addrlen, addrlen);
870 }
871 return ret;
872}
873
874static long do_getsockname(int fd, target_ulong target_addr,
875 target_ulong target_addrlen)
876{
877 socklen_t addrlen = tget32(target_addrlen);
878 void *addr = alloca(target_addrlen);
879 long ret;
880
881 ret = get_errno(getsockname(fd, addr, &addrlen));
882 if (!is_error(ret)) {
883 host_to_target_sockaddr(target_addr, addr, addrlen);
884 tput32(target_addrlen, addrlen);
885 }
886 return ret;
887}
888
889static long do_socketpair(int domain, int type, int protocol,
890 target_ulong target_tab)
891{
892 int tab[2];
893 long ret;
894
895 ret = get_errno(socketpair(domain, type, protocol, tab));
896 if (!is_error(ret)) {
897 tput32(target_tab, tab[0]);
898 tput32(target_tab + 4, tab[1]);
899 }
900 return ret;
901}
902
903static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
904 target_ulong target_addr, socklen_t addrlen)
905{
906 void *addr;
907 void *host_msg;
908 long ret;
909
910 host_msg = lock_user(msg, len, 1);
911 if (target_addr) {
912 addr = alloca(addrlen);
913 target_to_host_sockaddr(addr, target_addr, addrlen);
914 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
915 } else {
916 ret = get_errno(send(fd, host_msg, len, flags));
917 }
918 unlock_user(host_msg, msg, 0);
919 return ret;
920}
921
922static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
923 target_ulong target_addr, target_ulong target_addrlen)
924{
925 socklen_t addrlen;
926 void *addr;
927 void *host_msg;
928 long ret;
929
930 host_msg = lock_user(msg, len, 0);
931 if (target_addr) {
932 addrlen = tget32(target_addrlen);
933 addr = alloca(addrlen);
934 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
935 } else {
936 addr = NULL; /* To keep compiler quiet. */
937 ret = get_errno(recv(fd, host_msg, len, flags));
938 }
939 if (!is_error(ret)) {
940 if (target_addr) {
941 host_to_target_sockaddr(target_addr, addr, addrlen);
942 tput32(target_addrlen, addrlen);
943 }
944 unlock_user(host_msg, msg, len);
945 } else {
946 unlock_user(host_msg, msg, 0);
947 }
948 return ret;
949}
950
53a5960a 951static long do_socketcall(int num, target_ulong vptr)
31e31b8a
FB		 952{
953 long ret;
53a5960a 954 const int n = sizeof(target_ulong);
31e31b8a
FB		 955
956 switch(num) {
957 case SOCKOP_socket:
7854b056 958 {
53a5960a
PB		 959 int domain = tgetl(vptr);
960 int type = tgetl(vptr + n);
961 int protocol = tgetl(vptr + 2 * n);
3532fa74 962 ret = do_socket(domain, type, protocol);
7854b056 963 }
31e31b8a
FB		 964 break;
965 case SOCKOP_bind:
7854b056 966 {
53a5960a
PB		 967 int sockfd = tgetl(vptr);
968 target_ulong target_addr = tgetl(vptr + n);
969 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 970 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 971 }
31e31b8a
FB		 972 break;
973 case SOCKOP_connect:
7854b056 974 {
53a5960a
PB		 975 int sockfd = tgetl(vptr);
976 target_ulong target_addr = tgetl(vptr + n);
977 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 978 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 979 }
31e31b8a
FB		 980 break;
981 case SOCKOP_listen:
7854b056 982 {
53a5960a
PB		 983 int sockfd = tgetl(vptr);
984 int backlog = tgetl(vptr + n);
7854b056
FB		 985 ret = get_errno(listen(sockfd, backlog));
986 }
31e31b8a
FB		 987 break;
988 case SOCKOP_accept:
989 {
53a5960a
PB		 990 int sockfd = tgetl(vptr);
991 target_ulong target_addr = tgetl(vptr + n);
992 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 993 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 994 }
995 break;
996 case SOCKOP_getsockname:
997 {
53a5960a
PB		 998 int sockfd = tgetl(vptr);
999 target_ulong target_addr = tgetl(vptr + n);
1000 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1001 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1002 }
1003 break;
1004 case SOCKOP_getpeername:
1005 {
53a5960a
PB		 1006 int sockfd = tgetl(vptr);
1007 target_ulong target_addr = tgetl(vptr + n);
1008 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1009 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1010 }
1011 break;
1012 case SOCKOP_socketpair:
1013 {
53a5960a
PB		 1014 int domain = tgetl(vptr);
1015 int type = tgetl(vptr + n);
1016 int protocol = tgetl(vptr + 2 * n);
1be9e1dc
PB		 1017 target_ulong tab = tgetl(vptr + 3 * n);
1018 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1019 }
1020 break;
1021 case SOCKOP_send:
7854b056 1022 {
53a5960a
PB		 1023 int sockfd = tgetl(vptr);
1024 target_ulong msg = tgetl(vptr + n);
1025 size_t len = tgetl(vptr + 2 * n);
1026 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1027 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1028 }
31e31b8a
FB		 1029 break;
1030 case SOCKOP_recv:
7854b056 1031 {
53a5960a
PB		 1032 int sockfd = tgetl(vptr);
1033 target_ulong msg = tgetl(vptr + n);
1034 size_t len = tgetl(vptr + 2 * n);
1035 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1036 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1037 }
31e31b8a
FB		 1038 break;
1039 case SOCKOP_sendto:
7854b056 1040 {
53a5960a
PB		 1041 int sockfd = tgetl(vptr);
1042 target_ulong msg = tgetl(vptr + n);
1043 size_t len = tgetl(vptr + 2 * n);
1044 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1045 target_ulong addr = tgetl(vptr + 4 * n);
53a5960a 1046 socklen_t addrlen = tgetl(vptr + 5 * n);
1be9e1dc 1047 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1048 }
31e31b8a
FB		 1049 break;
1050 case SOCKOP_recvfrom:
1051 {
53a5960a
PB		 1052 int sockfd = tgetl(vptr);
1053 target_ulong msg = tgetl(vptr + n);
1054 size_t len = tgetl(vptr + 2 * n);
1055 int flags = tgetl(vptr + 3 * n);
1be9e1dc
PB		 1056 target_ulong addr = tgetl(vptr + 4 * n);
1057 target_ulong addrlen = tgetl(vptr + 5 * n);
1058 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1059 }
1060 break;
1061 case SOCKOP_shutdown:
7854b056 1062 {
53a5960a
PB		 1063 int sockfd = tgetl(vptr);
1064 int how = tgetl(vptr + n);
7854b056
FB		 1065
1066 ret = get_errno(shutdown(sockfd, how));
1067 }
31e31b8a
FB		 1068 break;
1069 case SOCKOP_sendmsg:
1070 case SOCKOP_recvmsg:
1a9353d2
FB		 1071 {
1072 int fd;
53a5960a 1073 target_ulong target_msg;
3532fa74 1074 int flags;
1a9353d2 1075
53a5960a 1076 fd = tgetl(vptr);
3532fa74 1077 target_msg = tgetl(vptr + n);
53a5960a 1078 flags = tgetl(vptr + 2 * n);
3532fa74
FB		 1079
1080 ret = do_sendrecvmsg(fd, target_msg, flags,
1081 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1082 }
1083 break;
31e31b8a 1084 case SOCKOP_setsockopt:
7854b056 1085 {
53a5960a
PB		 1086 int sockfd = tgetl(vptr);
1087 int level = tgetl(vptr + n);
1088 int optname = tgetl(vptr + 2 * n);
1089 target_ulong optval = tgetl(vptr + 3 * n);
1090 socklen_t optlen = tgetl(vptr + 4 * n);
7854b056
FB		 1091
1092 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1093 }
1094 break;
31e31b8a 1095 case SOCKOP_getsockopt:
7854b056 1096 {
53a5960a
PB		 1097 int sockfd = tgetl(vptr);
1098 int level = tgetl(vptr + n);
1099 int optname = tgetl(vptr + 2 * n);
1100 target_ulong optval = tgetl(vptr + 3 * n);
1101 target_ulong poptlen = tgetl(vptr + 4 * n);
7854b056 1102
8853f86e 1103 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
7854b056
FB		 1104 }
1105 break;
31e31b8a
FB		 1106 default:
1107 gemu_log("Unsupported socketcall: %d\n", num);
1108 ret = -ENOSYS;
1109 break;
1110 }
1111 return ret;
1112}
1113
8853f86e
FB		 1114#define N_SHM_REGIONS 32
1115
1116static struct shm_region {
1117 uint32_t start;
1118 uint32_t size;
1119} shm_regions[N_SHM_REGIONS];
1120
fa294816
TS		 1121union semun {
1122 int val;
1123 struct senid_ds *buf;
1124 unsigned short *array;
1125};
1126
53a5960a 1127/* ??? This only works with linear mappings. */
8853f86e
FB		 1128static long do_ipc(long call, long first, long second, long third,
1129 long ptr, long fifth)
1130{
1131 int version;
1132 long ret = 0;
1133 unsigned long raddr;
1134 struct shmid_ds shm_info;
1135 int i;
1136
1137 version = call >> 16;
1138 call &= 0xffff;
1139
1140 switch (call) {
fa294816
TS		 1141 case IPCOP_semop:
1142 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1143 break;
1144
1145 case IPCOP_semget:
1146 ret = get_errno(semget(first, second, third));
1147 break;
1148
1149 case IPCOP_semctl:
1150 ret = get_errno(semctl(first, second, third, ((union semun*)ptr)->val));
1151
1152 break;
1153
1154 case IPCOP_semtimedop:
1155 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1156 ret = -ENOSYS;
1157 break;
d96372ef
TS		 1158
1159 case IPCOP_msgget:
1160 ret = get_errno(msgget(first, second));
1161 break;
1162
1163 case IPCOP_msgsnd:
1164 ret = get_errno(msgsnd(first, (struct msgbuf *) ptr, second, third));
1165 break;
1166
1167 case IPCOP_msgctl:
1168 ret = get_errno(msgctl(first, second, (struct msqid_ds *) ptr));
1169 break;
1170
1171 case IPCOP_msgrcv:
1172 {
1173 struct ipc_kludge
1174 {
1175 void *__unbounded msgp;
1176 long int msgtyp;
1177 };
1178
1179 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1180 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1181
1182 ret = get_errno(msgrcv(first, msgp, second, 0, third));
1183
1184 }
1185 break;
1186
8853f86e
FB		 1187 case IPCOP_shmat:
1188 /* SHM_* flags are the same on all linux platforms */
1189 ret = get_errno((long) shmat(first, (void *) ptr, second));
1190 if (is_error(ret))
1191 break;
1192 raddr = ret;
1193 /* find out the length of the shared memory segment */
1194
1195 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1196 if (is_error(ret)) {
1197 /* can't get length, bail out */
1198 shmdt((void *) raddr);
1199 break;
1200 }
1201 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1202 PAGE_VALID | PAGE_READ |
1203 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1204 for (i = 0; i < N_SHM_REGIONS; ++i) {
1205 if (shm_regions[i].start == 0) {
1206 shm_regions[i].start = raddr;
1207 shm_regions[i].size = shm_info.shm_segsz;
1208 break;
1209 }
1210 }
1211 if (put_user(raddr, (uint32_t *)third))
1212 return -EFAULT;
1213 ret = 0;
1214 break;
1215 case IPCOP_shmdt:
1216 for (i = 0; i < N_SHM_REGIONS; ++i) {
1217 if (shm_regions[i].start == ptr) {
1218 shm_regions[i].start = 0;
1219 page_set_flags(ptr, shm_regions[i].size, 0);
1220 break;
1221 }
1222 }
1223 ret = get_errno(shmdt((void *) ptr));
1224 break;
1225
1226 case IPCOP_shmget:
1227 /* IPC_* flag values are the same on all linux platforms */
1228 ret = get_errno(shmget(first, second, third));
1229 break;
1230
1231 /* IPC_* and SHM_* command values are the same on all linux platforms */
1232 case IPCOP_shmctl:
1233 switch(second) {
1234 case IPC_RMID:
1235 case SHM_LOCK:
1236 case SHM_UNLOCK:
1237 ret = get_errno(shmctl(first, second, NULL));
1238 break;
1239 default:
1240 goto unimplemented;
1241 }
1242 break;
1243 default:
1244 unimplemented:
1245 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1246 ret = -ENOSYS;
1247 break;
1248 }
1249 return ret;
1250}
1251
31e31b8a
FB		 1252/* kernel structure types definitions */
1253#define IFNAMSIZ 16
1254
1255#define STRUCT(name, list...) STRUCT_ ## name,
1256#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1257enum {
1258#include "syscall_types.h"
1259};
1260#undef STRUCT
1261#undef STRUCT_SPECIAL
1262
1263#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1264#define STRUCT_SPECIAL(name)
1265#include "syscall_types.h"
1266#undef STRUCT
1267#undef STRUCT_SPECIAL
1268
1269typedef struct IOCTLEntry {
2ab83ea7
FB		 1270 unsigned int target_cmd;
1271 unsigned int host_cmd;
31e31b8a
FB		 1272 const char *name;
1273 int access;
1a9353d2 1274 const argtype arg_type[5];
31e31b8a
FB		 1275} IOCTLEntry;
1276
1277#define IOC_R 0x0001
1278#define IOC_W 0x0002
1279#define IOC_RW (IOC_R | IOC_W)
1280
1281#define MAX_STRUCT_SIZE 4096
1282
2ab83ea7 1283IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 1284#define IOCTL(cmd, access, types...) \
1285 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1286#include "ioctls.h"
1287 { 0, 0, },
1288};
1289
53a5960a 1290/* ??? Implement proper locking for ioctls. */
31e31b8a
FB		 1291static long do_ioctl(long fd, long cmd, long arg)
1292{
1293 const IOCTLEntry *ie;
1294 const argtype *arg_type;
1295 long ret;
1296 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 1297 int target_size;
1298 void *argptr;
31e31b8a
FB		 1299
1300 ie = ioctl_entries;
1301 for(;;) {
1302 if (ie->target_cmd == 0) {
1303 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1304 return -ENOSYS;
1305 }
1306 if (ie->target_cmd == cmd)
1307 break;
1308 ie++;
1309 }
1310 arg_type = ie->arg_type;
9de5e440 1311#if defined(DEBUG)
72f03900
FB		 1312 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1313#endif
31e31b8a
FB		 1314 switch(arg_type[0]) {
1315 case TYPE_NULL:
1316 /* no argument */
1317 ret = get_errno(ioctl(fd, ie->host_cmd));
1318 break;
1319 case TYPE_PTRVOID:
1320 case TYPE_INT:
1321 /* int argment */
1322 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1323 break;
1324 case TYPE_PTR:
1325 arg_type++;
53a5960a 1326 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 1327 switch(ie->access) {
1328 case IOC_R:
1329 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1330 if (!is_error(ret)) {
53a5960a
PB		 1331 argptr = lock_user(arg, target_size, 0);
1332 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1333 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1334 }
1335 break;
1336 case IOC_W:
53a5960a
PB		 1337 argptr = lock_user(arg, target_size, 1);
1338 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1339 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1340 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1341 break;
1342 default:
1343 case IOC_RW:
53a5960a
PB		 1344 argptr = lock_user(arg, target_size, 1);
1345 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1346 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1347 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1348 if (!is_error(ret)) {
53a5960a
PB		 1349 argptr = lock_user(arg, target_size, 0);
1350 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1351 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1352 }
1353 break;
1354 }
1355 break;
1356 default:
1357 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1358 ret = -ENOSYS;
1359 break;
1360 }
1361 return ret;
1362}
1363
1364bitmask_transtbl iflag_tbl[] = {
1365 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1366 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1367 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1368 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1369 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1370 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1371 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1372 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1373 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1374 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1375 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1376 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1377 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1378 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1379 { 0, 0, 0, 0 }
1380};
1381
1382bitmask_transtbl oflag_tbl[] = {
1383 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1384 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1385 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1386 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1387 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1388 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1389 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1390 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1391 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1392 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1393 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1394 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1395 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1396 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1397 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1398 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1399 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1400 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1401 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1402 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1403 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1404 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1405 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1406 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1407 { 0, 0, 0, 0 }
1408};
1409
1410bitmask_transtbl cflag_tbl[] = {
1411 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1412 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1413 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1414 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1415 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1416 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1417 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1418 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1419 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1420 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1421 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1422 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1423 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1424 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1425 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1426 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1427 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1428 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1429 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1430 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1431 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1432 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1433 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1434 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1435 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1436 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1437 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1438 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1439 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1440 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1441 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1442 { 0, 0, 0, 0 }
1443};
1444
1445bitmask_transtbl lflag_tbl[] = {
1446 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1447 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1448 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1449 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1450 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1451 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1452 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1453 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1454 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1455 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1456 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1457 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1458 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1459 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1460 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1461 { 0, 0, 0, 0 }
1462};
1463
1464static void target_to_host_termios (void *dst, const void *src)
1465{
1466 struct host_termios *host = dst;
1467 const struct target_termios *target = src;
1468
1469 host->c_iflag =
1470 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1471 host->c_oflag =
1472 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1473 host->c_cflag =
1474 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1475 host->c_lflag =
1476 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1477 host->c_line = target->c_line;
1478
1479 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1480 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1481 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1482 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1483 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1484 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1485 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1486 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1487 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1488 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1489 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1490 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1491 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1492 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1493 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1494 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1495 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1496}
1497
1498static void host_to_target_termios (void *dst, const void *src)
1499{
1500 struct target_termios *target = dst;
1501 const struct host_termios *host = src;
1502
1503 target->c_iflag =
1504 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1505 target->c_oflag =
1506 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1507 target->c_cflag =
1508 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1509 target->c_lflag =
1510 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1511 target->c_line = host->c_line;
1512
1513 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1514 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1515 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1516 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1517 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1518 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1519 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1520 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1521 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1522 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1523 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1524 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1525 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1526 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1527 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1528 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1529 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1530}
1531
1532StructEntry struct_termios_def = {
1533 .convert = { host_to_target_termios, target_to_host_termios },
1534 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1535 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1536};
1537
5286db75
FB		 1538static bitmask_transtbl mmap_flags_tbl[] = {
1539 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1540 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1541 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1542 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1543 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1544 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1545 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1546 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1547 { 0, 0, 0, 0 }
1548};
1549
ffa65c3b
FB		 1550static bitmask_transtbl fcntl_flags_tbl[] = {
1551 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1552 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1553 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1554 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1555 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1556 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1557 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1558 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1559 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1560 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1561 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1562 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1563 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 1564#if defined(O_DIRECT)
ffa65c3b 1565 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 1566#endif
ffa65c3b
FB		 1567 { 0, 0, 0, 0 }
1568};
1569
2ab83ea7 1570#if defined(TARGET_I386)
6dbad63e
FB		 1571
1572/* NOTE: there is really one LDT for all the threads */
1573uint8_t *ldt_table;
1574
53a5960a 1575static int read_ldt(target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1576{
1577 int size;
53a5960a 1578 void *p;
6dbad63e
FB		 1579
1580 if (!ldt_table)
1581 return 0;
1582 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1583 if (size > bytecount)
1584 size = bytecount;
53a5960a
PB		 1585 p = lock_user(ptr, size, 0);
1586 /* ??? Shoudl this by byteswapped? */
1587 memcpy(p, ldt_table, size);
1588 unlock_user(p, ptr, size);
6dbad63e
FB		 1589 return size;
1590}
1591
1592/* XXX: add locking support */
1593static int write_ldt(CPUX86State *env,
53a5960a 1594 target_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 1595{
1596 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 1597 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e
FB		 1598 int seg_32bit, contents, read_exec_only, limit_in_pages;
1599 int seg_not_present, useable;
1600 uint32_t *lp, entry_1, entry_2;
1601
1602 if (bytecount != sizeof(ldt_info))
1603 return -EINVAL;
53a5960a
PB		 1604 lock_user_struct(target_ldt_info, ptr, 1);
1605 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1606 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1607 ldt_info.limit = tswap32(target_ldt_info->limit);
1608 ldt_info.flags = tswap32(target_ldt_info->flags);
1609 unlock_user_struct(target_ldt_info, ptr, 0);
6dbad63e
FB		 1610
1611 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1612 return -EINVAL;
1613 seg_32bit = ldt_info.flags & 1;
1614 contents = (ldt_info.flags >> 1) & 3;
1615 read_exec_only = (ldt_info.flags >> 3) & 1;
1616 limit_in_pages = (ldt_info.flags >> 4) & 1;
1617 seg_not_present = (ldt_info.flags >> 5) & 1;
1618 useable = (ldt_info.flags >> 6) & 1;
1619
1620 if (contents == 3) {
1621 if (oldmode)
1622 return -EINVAL;
1623 if (seg_not_present == 0)
1624 return -EINVAL;
1625 }
1626 /* allocate the LDT */
1627 if (!ldt_table) {
1628 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1629 if (!ldt_table)
1630 return -ENOMEM;
1631 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
53a5960a 1632 env->ldt.base = h2g(ldt_table);
6dbad63e
FB		 1633 env->ldt.limit = 0xffff;
1634 }
1635
1636 /* NOTE: same code as Linux kernel */
1637 /* Allow LDTs to be cleared by the user. */
1638 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1639 if (oldmode ||
1640 (contents == 0 &&
1641 read_exec_only == 1 &&
1642 seg_32bit == 0 &&
1643 limit_in_pages == 0 &&
1644 seg_not_present == 1 &&
1645 useable == 0 )) {
1646 entry_1 = 0;
1647 entry_2 = 0;
1648 goto install;
1649 }
1650 }
1651
1652 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1653 (ldt_info.limit & 0x0ffff);
1654 entry_2 = (ldt_info.base_addr & 0xff000000) |
1655 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1656 (ldt_info.limit & 0xf0000) |
1657 ((read_exec_only ^ 1) << 9) |
1658 (contents << 10) |
1659 ((seg_not_present ^ 1) << 15) |
1660 (seg_32bit << 22) |
1661 (limit_in_pages << 23) |
1662 0x7000;
1663 if (!oldmode)
1664 entry_2 |= (useable << 20);
14ae3ba7 1665
6dbad63e
FB		 1666 /* Install the new entry ... */
1667install:
1668 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1669 lp[0] = tswap32(entry_1);
1670 lp[1] = tswap32(entry_2);
1671 return 0;
1672}
1673
1674/* specific and weird i386 syscalls */
53a5960a 1675int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1676{
1677 int ret = -ENOSYS;
1678
1679 switch (func) {
1680 case 0:
1681 ret = read_ldt(ptr, bytecount);
1682 break;
1683 case 1:
1684 ret = write_ldt(env, ptr, bytecount, 1);
1685 break;
1686 case 0x11:
1687 ret = write_ldt(env, ptr, bytecount, 0);
1688 break;
1689 }
1690 return ret;
1691}
1b6b029e 1692
2ab83ea7
FB		 1693#endif /* defined(TARGET_I386) */
1694
1b6b029e
FB		 1695/* this stack is the equivalent of the kernel stack associated with a
1696 thread/process */
1697#define NEW_STACK_SIZE 8192
1698
1699static int clone_func(void *arg)
1700{
2ab83ea7 1701 CPUState *env = arg;
1b6b029e
FB		 1702 cpu_loop(env);
1703 /* never exits */
1704 return 0;
1705}
1706
2ab83ea7 1707int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1b6b029e
FB		 1708{
1709 int ret;
5cd4393b 1710 TaskState *ts;
1b6b029e 1711 uint8_t *new_stack;
2ab83ea7 1712 CPUState *new_env;
1b6b029e
FB		 1713
1714 if (flags & CLONE_VM) {
5cd4393b
FB		 1715 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1716 memset(ts, 0, sizeof(TaskState));
1717 new_stack = ts->stack;
1718 ts->used = 1;
1719 /* add in task state list */
1720 ts->next = first_task_state;
1721 first_task_state = ts;
1b6b029e 1722 /* we create a new CPU instance. */
2ab83ea7
FB		 1723 new_env = cpu_init();
1724 memcpy(new_env, env, sizeof(CPUState));
1725#if defined(TARGET_I386)
1726 if (!newsp)
1727 newsp = env->regs[R_ESP];
1b6b029e
FB		 1728 new_env->regs[R_ESP] = newsp;
1729 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 1730#elif defined(TARGET_ARM)
1731 if (!newsp)
1732 newsp = env->regs[13];
1733 new_env->regs[13] = newsp;
1734 new_env->regs[0] = 0;
ebc05488 1735#elif defined(TARGET_SPARC)
48dc41eb
FB		 1736 if (!newsp)
1737 newsp = env->regwptr[22];
1738 new_env->regwptr[22] = newsp;
1739 new_env->regwptr[0] = 0;
1740 /* XXXXX */
67867308 1741 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
e6e5906b
PB		 1742#elif defined(TARGET_M68K)
1743 if (!newsp)
1744 newsp = env->aregs[7];
1745 new_env->aregs[7] = newsp;
1746 new_env->dregs[0] = 0;
1747 /* ??? is this sufficient? */
048f6b4d
FB		 1748#elif defined(TARGET_MIPS)
1749 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
67867308
FB		 1750#elif defined(TARGET_PPC)
1751 if (!newsp)
1752 newsp = env->gpr[1];
1753 new_env->gpr[1] = newsp;
1754 {
1755 int i;
1756 for (i = 7; i < 32; i++)
1757 new_env->gpr[i] = 0;
1758 }
fdf9b3e8
FB		 1759#elif defined(TARGET_SH4)
1760 if (!newsp)
1761 newsp = env->gregs[15];
1762 new_env->gregs[15] = newsp;
1763 /* XXXXX */
2ab83ea7
FB		 1764#else
1765#error unsupported target CPU
1766#endif
5cd4393b 1767 new_env->opaque = ts;
27725c1d 1768#ifdef __ia64__
fd4a43e4 1769 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 1770#else
1771 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1772#endif
1b6b029e
FB		 1773 } else {
1774 /* if no CLONE_VM, we consider it is a fork */
1775 if ((flags & ~CSIGNAL) != 0)
1776 return -EINVAL;
1777 ret = fork();
1778 }
1779 return ret;
1780}
1781
53a5960a 1782static long do_fcntl(int fd, int cmd, target_ulong arg)
7775e9ec
FB		 1783{
1784 struct flock fl;
53a5960a 1785 struct target_flock *target_fl;
43f238d7
TS		 1786 struct flock64 fl64;
1787 struct target_flock64 *target_fl64;
7775e9ec 1788 long ret;
53a5960a 1789
7775e9ec
FB		 1790 switch(cmd) {
1791 case TARGET_F_GETLK:
1792 ret = fcntl(fd, cmd, &fl);
1793 if (ret == 0) {
53a5960a 1794 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1795 target_fl->l_type = tswap16(fl.l_type);
1796 target_fl->l_whence = tswap16(fl.l_whence);
1797 target_fl->l_start = tswapl(fl.l_start);
1798 target_fl->l_len = tswapl(fl.l_len);
1799 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 1800 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1801 }
1802 break;
1803
1804 case TARGET_F_SETLK:
1805 case TARGET_F_SETLKW:
53a5960a 1806 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1807 fl.l_type = tswap16(target_fl->l_type);
1808 fl.l_whence = tswap16(target_fl->l_whence);
1809 fl.l_start = tswapl(target_fl->l_start);
1810 fl.l_len = tswapl(target_fl->l_len);
1811 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 1812 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1813 ret = fcntl(fd, cmd, &fl);
1814 break;
1815
1816 case TARGET_F_GETLK64:
43f238d7
TS		 1817 ret = fcntl(fd, cmd >> 1, &fl64);
1818 if (ret == 0) {
1819 lock_user_struct(target_fl64, arg, 0);
1820 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
1821 target_fl64->l_whence = tswap16(fl64.l_whence);
1822 target_fl64->l_start = tswapl(fl64.l_start);
1823 target_fl64->l_len = tswapl(fl64.l_len);
1824 target_fl64->l_pid = tswapl(fl64.l_pid);
1825 unlock_user_struct(target_fl64, arg, 1);
1826 }
1827 break;
7775e9ec
FB		 1828 case TARGET_F_SETLK64:
1829 case TARGET_F_SETLKW64:
43f238d7
TS		 1830 lock_user_struct(target_fl64, arg, 1);
1831 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1832 fl64.l_whence = tswap16(target_fl64->l_whence);
1833 fl64.l_start = tswapl(target_fl64->l_start);
1834 fl64.l_len = tswapl(target_fl64->l_len);
1835 fl64.l_pid = tswap16(target_fl64->l_pid);
1836 unlock_user_struct(target_fl64, arg, 0);
1837 ret = fcntl(fd, cmd >> 1, &fl64);
7775e9ec
FB		 1838 break;
1839
ffa65c3b
FB		 1840 case F_GETFL:
1841 ret = fcntl(fd, cmd, arg);
1842 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1843 break;
1844
1845 case F_SETFL:
1846 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1847 break;
1848
7775e9ec
FB		 1849 default:
1850 ret = fcntl(fd, cmd, arg);
1851 break;
1852 }
1853 return ret;
1854}
1855
67867308 1856#ifdef USE_UID16
7775e9ec 1857
67867308
FB		 1858static inline int high2lowuid(int uid)
1859{
1860 if (uid > 65535)
1861 return 65534;
1862 else
1863 return uid;
1864}
1865
1866static inline int high2lowgid(int gid)
1867{
1868 if (gid > 65535)
1869 return 65534;
1870 else
1871 return gid;
1872}
1873
1874static inline int low2highuid(int uid)
1875{
1876 if ((int16_t)uid == -1)
1877 return -1;
1878 else
1879 return uid;
1880}
1881
1882static inline int low2highgid(int gid)
1883{
1884 if ((int16_t)gid == -1)
1885 return -1;
1886 else
1887 return gid;
1888}
1889
1890#endif /* USE_UID16 */
1b6b029e 1891
31e31b8a
FB		 1892void syscall_init(void)
1893{
2ab83ea7
FB		 1894 IOCTLEntry *ie;
1895 const argtype *arg_type;
1896 int size;
1897
31e31b8a
FB		 1898#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1899#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1900#include "syscall_types.h"
1901#undef STRUCT
1902#undef STRUCT_SPECIAL
2ab83ea7
FB		 1903
1904 /* we patch the ioctl size if necessary. We rely on the fact that
1905 no ioctl has all the bits at '1' in the size field */
1906 ie = ioctl_entries;
1907 while (ie->target_cmd != 0) {
1908 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1909 TARGET_IOC_SIZEMASK) {
1910 arg_type = ie->arg_type;
1911 if (arg_type[0] != TYPE_PTR) {
1912 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1913 ie->target_cmd);
1914 exit(1);
1915 }
1916 arg_type++;
1917 size = thunk_type_size(arg_type, 0);
1918 ie->target_cmd = (ie->target_cmd &
1919 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1920 (size << TARGET_IOC_SIZESHIFT);
1921 }
1922 /* automatic consistency check if same arch */
1923#if defined(__i386__) && defined(TARGET_I386)
1924 if (ie->target_cmd != ie->host_cmd) {
1925 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1926 ie->target_cmd, ie->host_cmd);
1927 }
1928#endif
1929 ie++;
1930 }
31e31b8a 1931}
c573ff67 1932
ce4defa0
PB		 1933static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1934{
1935#ifdef TARGET_WORDS_BIG_ENDIAN
1936 return ((uint64_t)word0 << 32) | word1;
1937#else
1938 return ((uint64_t)word1 << 32) | word0;
1939#endif
1940}
1941
1942#ifdef TARGET_NR_truncate64
1943static inline long target_truncate64(void *cpu_env, const char *arg1,
1944 long arg2, long arg3, long arg4)
1945{
1946#ifdef TARGET_ARM
1947 if (((CPUARMState *)cpu_env)->eabi)
1948 {
1949 arg2 = arg3;
1950 arg3 = arg4;
1951 }
1952#endif
1953 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1954}
1955#endif
1956
1957#ifdef TARGET_NR_ftruncate64
1958static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1959 long arg3, long arg4)
1960{
1961#ifdef TARGET_ARM
1962 if (((CPUARMState *)cpu_env)->eabi)
1963 {
1964 arg2 = arg3;
1965 arg3 = arg4;
1966 }
1967#endif
1968 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1969}
1970#endif
1971
53a5960a
PB		 1972static inline void target_to_host_timespec(struct timespec *host_ts,
1973 target_ulong target_addr)
1974{
1975 struct target_timespec *target_ts;
1976
1977 lock_user_struct(target_ts, target_addr, 1);
1978 host_ts->tv_sec = tswapl(target_ts->tv_sec);
1979 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
1980 unlock_user_struct(target_ts, target_addr, 0);
1981}
1982
1983static inline void host_to_target_timespec(target_ulong target_addr,
1984 struct timespec *host_ts)
1985{
1986 struct target_timespec *target_ts;
1987
1988 lock_user_struct(target_ts, target_addr, 0);
1989 target_ts->tv_sec = tswapl(host_ts->tv_sec);
1990 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
1991 unlock_user_struct(target_ts, target_addr, 1);
1992}
1993
6dbad63e 1994long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 1995 long arg4, long arg5, long arg6)
1996{
1997 long ret;
1998 struct stat st;
56c8f68f 1999 struct statfs stfs;
53a5960a 2000 void *p;
31e31b8a 2001
72f03900 2002#ifdef DEBUG
c573ff67 2003 gemu_log("syscall %d", num);
72f03900 2004#endif
31e31b8a
FB		 2005 switch(num) {
2006 case TARGET_NR_exit:
7d13299d
FB		 2007#ifdef HAVE_GPROF
2008 _mcleanup();
2009#endif
e9009676 2010 gdb_exit(cpu_env, arg1);
1b6b029e 2011 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 2012 _exit(arg1);
2013 ret = 0; /* avoid warning */
2014 break;
2015 case TARGET_NR_read:
53a5960a
PB		 2016 page_unprotect_range(arg2, arg3);
2017 p = lock_user(arg2, arg3, 0);
2018 ret = get_errno(read(arg1, p, arg3));
2019 unlock_user(p, arg2, ret);
31e31b8a
FB		 2020 break;
2021 case TARGET_NR_write:
53a5960a
PB		 2022 p = lock_user(arg2, arg3, 1);
2023 ret = get_errno(write(arg1, p, arg3));
2024 unlock_user(p, arg2, 0);
31e31b8a
FB		 2025 break;
2026 case TARGET_NR_open:
53a5960a
PB		 2027 p = lock_user_string(arg1);
2028 ret = get_errno(open(path(p),
ffa65c3b
FB		 2029 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2030 arg3));
53a5960a 2031 unlock_user(p, arg1, 0);
31e31b8a
FB		 2032 break;
2033 case TARGET_NR_close:
2034 ret = get_errno(close(arg1));
2035 break;
2036 case TARGET_NR_brk:
53a5960a 2037 ret = do_brk(arg1);
31e31b8a
FB		 2038 break;
2039 case TARGET_NR_fork:
1b6b029e 2040 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a
FB		 2041 break;
2042 case TARGET_NR_waitpid:
2043 {
53a5960a
PB		 2044 int status;
2045 ret = get_errno(waitpid(arg1, &status, arg3));
2046 if (!is_error(ret) && arg2)
2047 tput32(arg2, status);
31e31b8a
FB		 2048 }
2049 break;
2050 case TARGET_NR_creat:
53a5960a
PB		 2051 p = lock_user_string(arg1);
2052 ret = get_errno(creat(p, arg2));
2053 unlock_user(p, arg1, 0);
31e31b8a
FB		 2054 break;
2055 case TARGET_NR_link:
53a5960a
PB		 2056 {
2057 void * p2;
2058 p = lock_user_string(arg1);
2059 p2 = lock_user_string(arg2);
2060 ret = get_errno(link(p, p2));
2061 unlock_user(p2, arg2, 0);
2062 unlock_user(p, arg1, 0);
2063 }
31e31b8a
FB		 2064 break;
2065 case TARGET_NR_unlink:
53a5960a
PB		 2066 p = lock_user_string(arg1);
2067 ret = get_errno(unlink(p));
2068 unlock_user(p, arg1, 0);
31e31b8a
FB		 2069 break;
2070 case TARGET_NR_execve:
7854b056
FB		 2071 {
2072 char **argp, **envp;
f7341ff4 2073 int argc, envc;
53a5960a
PB		 2074 target_ulong gp;
2075 target_ulong guest_argp;
2076 target_ulong guest_envp;
2077 target_ulong addr;
7854b056
FB		 2078 char **q;
2079
f7341ff4 2080 argc = 0;
53a5960a
PB		 2081 guest_argp = arg2;
2082 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2083 argc++;
f7341ff4 2084 envc = 0;
53a5960a
PB		 2085 guest_envp = arg3;
2086 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2087 envc++;
2088
f7341ff4
FB		 2089 argp = alloca((argc + 1) * sizeof(void *));
2090 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2091
53a5960a
PB		 2092 for (gp = guest_argp, q = argp; ;
2093 gp += sizeof(target_ulong), q++) {
2094 addr = tgetl(gp);
2095 if (!addr)
2096 break;
2097 *q = lock_user_string(addr);
2098 }
f7341ff4
FB		 2099 *q = NULL;
2100
53a5960a
PB		 2101 for (gp = guest_envp, q = envp; ;
2102 gp += sizeof(target_ulong), q++) {
2103 addr = tgetl(gp);
2104 if (!addr)
2105 break;
2106 *q = lock_user_string(addr);
2107 }
f7341ff4 2108 *q = NULL;
7854b056 2109
53a5960a
PB		 2110 p = lock_user_string(arg1);
2111 ret = get_errno(execve(p, argp, envp));
2112 unlock_user(p, arg1, 0);
2113
2114 for (gp = guest_argp, q = argp; *q;
2115 gp += sizeof(target_ulong), q++) {
2116 addr = tgetl(gp);
2117 unlock_user(*q, addr, 0);
2118 }
2119 for (gp = guest_envp, q = envp; *q;
2120 gp += sizeof(target_ulong), q++) {
2121 addr = tgetl(gp);
2122 unlock_user(*q, addr, 0);
2123 }
7854b056 2124 }
31e31b8a
FB		 2125 break;
2126 case TARGET_NR_chdir:
53a5960a
PB		 2127 p = lock_user_string(arg1);
2128 ret = get_errno(chdir(p));
2129 unlock_user(p, arg1, 0);
31e31b8a 2130 break;
a315a145 2131#ifdef TARGET_NR_time
31e31b8a
FB		 2132 case TARGET_NR_time:
2133 {
53a5960a
PB		 2134 time_t host_time;
2135 ret = get_errno(time(&host_time));
2136 if (!is_error(ret) && arg1)
2137 tputl(arg1, host_time);
31e31b8a
FB		 2138 }
2139 break;
a315a145 2140#endif
31e31b8a 2141 case TARGET_NR_mknod:
53a5960a
PB		 2142 p = lock_user_string(arg1);
2143 ret = get_errno(mknod(p, arg2, arg3));
2144 unlock_user(p, arg1, 0);
31e31b8a
FB		 2145 break;
2146 case TARGET_NR_chmod:
53a5960a
PB		 2147 p = lock_user_string(arg1);
2148 ret = get_errno(chmod(p, arg2));
2149 unlock_user(p, arg1, 0);
31e31b8a 2150 break;
ebc05488 2151#ifdef TARGET_NR_break
31e31b8a
FB		 2152 case TARGET_NR_break:
2153 goto unimplemented;
ebc05488
FB		 2154#endif
2155#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2156 case TARGET_NR_oldstat:
2157 goto unimplemented;
ebc05488 2158#endif
31e31b8a
FB		 2159 case TARGET_NR_lseek:
2160 ret = get_errno(lseek(arg1, arg2, arg3));
2161 break;
2162 case TARGET_NR_getpid:
2163 ret = get_errno(getpid());
2164 break;
2165 case TARGET_NR_mount:
2166 /* need to look at the data field */
2167 goto unimplemented;
2168 case TARGET_NR_umount:
53a5960a
PB		 2169 p = lock_user_string(arg1);
2170 ret = get_errno(umount(p));
2171 unlock_user(p, arg1, 0);
31e31b8a 2172 break;
31e31b8a
FB		 2173 case TARGET_NR_stime:
2174 {
53a5960a
PB		 2175 time_t host_time;
2176 host_time = tgetl(arg1);
2177 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2178 }
2179 break;
2180 case TARGET_NR_ptrace:
2181 goto unimplemented;
2182 case TARGET_NR_alarm:
2183 ret = alarm(arg1);
2184 break;
ebc05488 2185#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2186 case TARGET_NR_oldfstat:
2187 goto unimplemented;
ebc05488 2188#endif
31e31b8a
FB		 2189 case TARGET_NR_pause:
2190 ret = get_errno(pause());
2191 break;
2192 case TARGET_NR_utime:
ebc05488 2193 {
53a5960a
PB		 2194 struct utimbuf tbuf, *host_tbuf;
2195 struct target_utimbuf *target_tbuf;
2196 if (arg2) {
2197 lock_user_struct(target_tbuf, arg2, 1);
2198 tbuf.actime = tswapl(target_tbuf->actime);
2199 tbuf.modtime = tswapl(target_tbuf->modtime);
2200 unlock_user_struct(target_tbuf, arg2, 0);
2201 host_tbuf = &tbuf;
f72e8ff4 2202 } else {
53a5960a 2203 host_tbuf = NULL;
f72e8ff4 2204 }
53a5960a
PB		 2205 p = lock_user_string(arg1);
2206 ret = get_errno(utime(p, host_tbuf));
2207 unlock_user(p, arg1, 0);
ebc05488
FB		 2208 }
2209 break;
978a66ff
FB		 2210 case TARGET_NR_utimes:
2211 {
978a66ff 2212 struct timeval *tvp, tv[2];
53a5960a
PB		 2213 if (arg2) {
2214 target_to_host_timeval(&tv[0], arg2);
2215 target_to_host_timeval(&tv[1],
2216 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2217 tvp = tv;
2218 } else {
2219 tvp = NULL;
2220 }
53a5960a
PB		 2221 p = lock_user_string(arg1);
2222 ret = get_errno(utimes(p, tvp));
2223 unlock_user(p, arg1, 0);
978a66ff
FB		 2224 }
2225 break;
ebc05488 2226#ifdef TARGET_NR_stty
31e31b8a
FB		 2227 case TARGET_NR_stty:
2228 goto unimplemented;
ebc05488
FB		 2229#endif
2230#ifdef TARGET_NR_gtty
31e31b8a
FB		 2231 case TARGET_NR_gtty:
2232 goto unimplemented;
ebc05488 2233#endif
31e31b8a 2234 case TARGET_NR_access:
53a5960a
PB		 2235 p = lock_user_string(arg1);
2236 ret = get_errno(access(p, arg2));
2237 unlock_user(p, arg1, 0);
31e31b8a
FB		 2238 break;
2239 case TARGET_NR_nice:
2240 ret = get_errno(nice(arg1));
2241 break;
ebc05488 2242#ifdef TARGET_NR_ftime
31e31b8a
FB		 2243 case TARGET_NR_ftime:
2244 goto unimplemented;
ebc05488 2245#endif
31e31b8a 2246 case TARGET_NR_sync:
04369ff2
FB		 2247 sync();
2248 ret = 0;
31e31b8a
FB		 2249 break;
2250 case TARGET_NR_kill:
2251 ret = get_errno(kill(arg1, arg2));
2252 break;
2253 case TARGET_NR_rename:
53a5960a
PB		 2254 {
2255 void *p2;
2256 p = lock_user_string(arg1);
2257 p2 = lock_user_string(arg2);
2258 ret = get_errno(rename(p, p2));
2259 unlock_user(p2, arg2, 0);
2260 unlock_user(p, arg1, 0);
2261 }
31e31b8a
FB		 2262 break;
2263 case TARGET_NR_mkdir:
53a5960a
PB		 2264 p = lock_user_string(arg1);
2265 ret = get_errno(mkdir(p, arg2));
2266 unlock_user(p, arg1, 0);
31e31b8a
FB		 2267 break;
2268 case TARGET_NR_rmdir:
53a5960a
PB		 2269 p = lock_user_string(arg1);
2270 ret = get_errno(rmdir(p));
2271 unlock_user(p, arg1, 0);
31e31b8a
FB		 2272 break;
2273 case TARGET_NR_dup:
2274 ret = get_errno(dup(arg1));
2275 break;
2276 case TARGET_NR_pipe:
2277 {
53a5960a
PB		 2278 int host_pipe[2];
2279 ret = get_errno(pipe(host_pipe));
31e31b8a 2280 if (!is_error(ret)) {
53a5960a
PB		 2281 tput32(arg1, host_pipe[0]);
2282 tput32(arg1 + 4, host_pipe[1]);
31e31b8a
FB		 2283 }
2284 }
2285 break;
2286 case TARGET_NR_times:
32f36bce 2287 {
53a5960a 2288 struct target_tms *tmsp;
32f36bce
FB		 2289 struct tms tms;
2290 ret = get_errno(times(&tms));
53a5960a
PB		 2291 if (arg1) {
2292 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 2293 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2294 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2295 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2296 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 2297 }
c596ed17
FB		 2298 if (!is_error(ret))
2299 ret = host_to_target_clock_t(ret);
32f36bce
FB		 2300 }
2301 break;
ebc05488 2302#ifdef TARGET_NR_prof
31e31b8a
FB		 2303 case TARGET_NR_prof:
2304 goto unimplemented;
ebc05488 2305#endif
31e31b8a
FB		 2306 case TARGET_NR_signal:
2307 goto unimplemented;
67867308 2308
31e31b8a 2309 case TARGET_NR_acct:
24836689
PB		 2310 p = lock_user_string(arg1);
2311 ret = get_errno(acct(path(p)));
2312 unlock_user(p, arg1, 0);
2313 break;
31e31b8a 2314 case TARGET_NR_umount2:
53a5960a
PB		 2315 p = lock_user_string(arg1);
2316 ret = get_errno(umount2(p, arg2));
2317 unlock_user(p, arg1, 0);
31e31b8a 2318 break;
ebc05488 2319#ifdef TARGET_NR_lock
31e31b8a
FB		 2320 case TARGET_NR_lock:
2321 goto unimplemented;
ebc05488 2322#endif
31e31b8a
FB		 2323 case TARGET_NR_ioctl:
2324 ret = do_ioctl(arg1, arg2, arg3);
2325 break;
2326 case TARGET_NR_fcntl:
7775e9ec 2327 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 2328 break;
ebc05488 2329#ifdef TARGET_NR_mpx
31e31b8a
FB		 2330 case TARGET_NR_mpx:
2331 goto unimplemented;
ebc05488 2332#endif
31e31b8a
FB		 2333 case TARGET_NR_setpgid:
2334 ret = get_errno(setpgid(arg1, arg2));
2335 break;
ebc05488 2336#ifdef TARGET_NR_ulimit
31e31b8a
FB		 2337 case TARGET_NR_ulimit:
2338 goto unimplemented;
ebc05488
FB		 2339#endif
2340#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 2341 case TARGET_NR_oldolduname:
2342 goto unimplemented;
ebc05488 2343#endif
31e31b8a
FB		 2344 case TARGET_NR_umask:
2345 ret = get_errno(umask(arg1));
2346 break;
2347 case TARGET_NR_chroot:
53a5960a
PB		 2348 p = lock_user_string(arg1);
2349 ret = get_errno(chroot(p));
2350 unlock_user(p, arg1, 0);
31e31b8a
FB		 2351 break;
2352 case TARGET_NR_ustat:
2353 goto unimplemented;
2354 case TARGET_NR_dup2:
2355 ret = get_errno(dup2(arg1, arg2));
2356 break;
2357 case TARGET_NR_getppid:
2358 ret = get_errno(getppid());
2359 break;
2360 case TARGET_NR_getpgrp:
2361 ret = get_errno(getpgrp());
2362 break;
2363 case TARGET_NR_setsid:
2364 ret = get_errno(setsid());
2365 break;
2366 case TARGET_NR_sigaction:
31e31b8a 2367 {
106ec879 2368 #if !defined(TARGET_MIPS)
53a5960a 2369 struct target_old_sigaction *old_act;
66fb9763 2370 struct target_sigaction act, oact, *pact;
53a5960a
PB		 2371 if (arg2) {
2372 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 2373 act._sa_handler = old_act->_sa_handler;
2374 target_siginitset(&act.sa_mask, old_act->sa_mask);
2375 act.sa_flags = old_act->sa_flags;
2376 act.sa_restorer = old_act->sa_restorer;
53a5960a 2377 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 2378 pact = &act;
2379 } else {
2380 pact = NULL;
2381 }
2382 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 2383 if (!is_error(ret) && arg3) {
2384 lock_user_struct(old_act, arg3, 0);
2385 old_act->_sa_handler = oact._sa_handler;
2386 old_act->sa_mask = oact.sa_mask.sig[0];
2387 old_act->sa_flags = oact.sa_flags;
2388 old_act->sa_restorer = oact.sa_restorer;
2389 unlock_user_struct(old_act, arg3, 1);
66fb9763 2390 }
106ec879
FB		 2391 #else
2392 struct target_sigaction act, oact, *pact, *old_act;
2393
2394 if (arg2) {
2395 lock_user_struct(old_act, arg2, 1);
2396 act._sa_handler = old_act->_sa_handler;
2397 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2398 act.sa_flags = old_act->sa_flags;
2399 unlock_user_struct(old_act, arg2, 0);
2400 pact = &act;
2401 } else {
2402 pact = NULL;
2403 }
2404
2405 ret = get_errno(do_sigaction(arg1, pact, &oact));
2406
2407 if (!is_error(ret) && arg3) {
2408 lock_user_struct(old_act, arg3, 0);
2409 old_act->_sa_handler = oact._sa_handler;
2410 old_act->sa_flags = oact.sa_flags;
2411 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2412 old_act->sa_mask.sig[1] = 0;
2413 old_act->sa_mask.sig[2] = 0;
2414 old_act->sa_mask.sig[3] = 0;
2415 unlock_user_struct(old_act, arg3, 1);
2416 }
2417 #endif
31e31b8a
FB		 2418 }
2419 break;
66fb9763 2420 case TARGET_NR_rt_sigaction:
53a5960a
PB		 2421 {
2422 struct target_sigaction *act;
2423 struct target_sigaction *oact;
2424
2425 if (arg2)
2426 lock_user_struct(act, arg2, 1);
2427 else
2428 act = NULL;
2429 if (arg3)
2430 lock_user_struct(oact, arg3, 0);
2431 else
2432 oact = NULL;
2433 ret = get_errno(do_sigaction(arg1, act, oact));
2434 if (arg2)
2435 unlock_user_struct(act, arg2, 0);
2436 if (arg3)
2437 unlock_user_struct(oact, arg3, 1);
2438 }
66fb9763 2439 break;
31e31b8a 2440 case TARGET_NR_sgetmask:
66fb9763
FB		 2441 {
2442 sigset_t cur_set;
2443 target_ulong target_set;
2444 sigprocmask(0, NULL, &cur_set);
2445 host_to_target_old_sigset(&target_set, &cur_set);
2446 ret = target_set;
2447 }
2448 break;
31e31b8a 2449 case TARGET_NR_ssetmask:
66fb9763
FB		 2450 {
2451 sigset_t set, oset, cur_set;
2452 target_ulong target_set = arg1;
2453 sigprocmask(0, NULL, &cur_set);
2454 target_to_host_old_sigset(&set, &target_set);
2455 sigorset(&set, &set, &cur_set);
2456 sigprocmask(SIG_SETMASK, &set, &oset);
2457 host_to_target_old_sigset(&target_set, &oset);
2458 ret = target_set;
2459 }
2460 break;
2461 case TARGET_NR_sigprocmask:
2462 {
2463 int how = arg1;
2464 sigset_t set, oldset, *set_ptr;
66fb9763 2465
53a5960a 2466 if (arg2) {
66fb9763
FB		 2467 switch(how) {
2468 case TARGET_SIG_BLOCK:
2469 how = SIG_BLOCK;
2470 break;
2471 case TARGET_SIG_UNBLOCK:
2472 how = SIG_UNBLOCK;
2473 break;
2474 case TARGET_SIG_SETMASK:
2475 how = SIG_SETMASK;
2476 break;
2477 default:
2478 ret = -EINVAL;
2479 goto fail;
2480 }
53a5960a
PB		 2481 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2482 target_to_host_old_sigset(&set, p);
2483 unlock_user(p, arg2, 0);
66fb9763
FB		 2484 set_ptr = &set;
2485 } else {
2486 how = 0;
2487 set_ptr = NULL;
2488 }
2489 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 2490 if (!is_error(ret) && arg3) {
2491 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2492 host_to_target_old_sigset(p, &oldset);
2493 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2494 }
2495 }
2496 break;
2497 case TARGET_NR_rt_sigprocmask:
2498 {
2499 int how = arg1;
2500 sigset_t set, oldset, *set_ptr;
66fb9763 2501
53a5960a 2502 if (arg2) {
66fb9763
FB		 2503 switch(how) {
2504 case TARGET_SIG_BLOCK:
2505 how = SIG_BLOCK;
2506 break;
2507 case TARGET_SIG_UNBLOCK:
2508 how = SIG_UNBLOCK;
2509 break;
2510 case TARGET_SIG_SETMASK:
2511 how = SIG_SETMASK;
2512 break;
2513 default:
2514 ret = -EINVAL;
2515 goto fail;
2516 }
53a5960a
PB		 2517 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2518 target_to_host_sigset(&set, p);
2519 unlock_user(p, arg2, 0);
66fb9763
FB		 2520 set_ptr = &set;
2521 } else {
2522 how = 0;
2523 set_ptr = NULL;
2524 }
2525 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 2526 if (!is_error(ret) && arg3) {
2527 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2528 host_to_target_sigset(p, &oldset);
2529 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2530 }
2531 }
2532 break;
2533 case TARGET_NR_sigpending:
2534 {
2535 sigset_t set;
2536 ret = get_errno(sigpending(&set));
2537 if (!is_error(ret)) {
53a5960a
PB		 2538 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2539 host_to_target_old_sigset(p, &set);
2540 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2541 }
2542 }
2543 break;
2544 case TARGET_NR_rt_sigpending:
2545 {
2546 sigset_t set;
2547 ret = get_errno(sigpending(&set));
2548 if (!is_error(ret)) {
53a5960a
PB		 2549 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2550 host_to_target_sigset(p, &set);
2551 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2552 }
2553 }
2554 break;
2555 case TARGET_NR_sigsuspend:
2556 {
2557 sigset_t set;
53a5960a
PB		 2558 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2559 target_to_host_old_sigset(&set, p);
2560 unlock_user(p, arg1, 0);
66fb9763
FB		 2561 ret = get_errno(sigsuspend(&set));
2562 }
2563 break;
2564 case TARGET_NR_rt_sigsuspend:
2565 {
2566 sigset_t set;
53a5960a
PB		 2567 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2568 target_to_host_sigset(&set, p);
2569 unlock_user(p, arg1, 0);
66fb9763
FB		 2570 ret = get_errno(sigsuspend(&set));
2571 }
2572 break;
2573 case TARGET_NR_rt_sigtimedwait:
2574 {
66fb9763
FB		 2575 sigset_t set;
2576 struct timespec uts, *puts;
2577 siginfo_t uinfo;
2578
53a5960a
PB		 2579 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2580 target_to_host_sigset(&set, p);
2581 unlock_user(p, arg1, 0);
2582 if (arg3) {
66fb9763 2583 puts = &uts;
53a5960a 2584 target_to_host_timespec(puts, arg3);
66fb9763
FB		 2585 } else {
2586 puts = NULL;
2587 }
2588 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 2589 if (!is_error(ret) && arg2) {
2590 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2591 host_to_target_siginfo(p, &uinfo);
2592 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 2593 }
2594 }
2595 break;
2596 case TARGET_NR_rt_sigqueueinfo:
2597 {
2598 siginfo_t uinfo;
53a5960a
PB		 2599 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2600 target_to_host_siginfo(&uinfo, p);
2601 unlock_user(p, arg1, 0);
66fb9763
FB		 2602 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2603 }
2604 break;
2605 case TARGET_NR_sigreturn:
2606 /* NOTE: ret is eax, so not transcoding must be done */
2607 ret = do_sigreturn(cpu_env);
2608 break;
2609 case TARGET_NR_rt_sigreturn:
2610 /* NOTE: ret is eax, so not transcoding must be done */
2611 ret = do_rt_sigreturn(cpu_env);
2612 break;
31e31b8a 2613 case TARGET_NR_sethostname:
53a5960a
PB		 2614 p = lock_user_string(arg1);
2615 ret = get_errno(sethostname(p, arg2));
2616 unlock_user(p, arg1, 0);
31e31b8a
FB		 2617 break;
2618 case TARGET_NR_setrlimit:
9de5e440
FB		 2619 {
2620 /* XXX: convert resource ? */
2621 int resource = arg1;
53a5960a 2622 struct target_rlimit *target_rlim;
9de5e440 2623 struct rlimit rlim;
53a5960a 2624 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2625 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2626 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 2627 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 2628 ret = get_errno(setrlimit(resource, &rlim));
2629 }
2630 break;
31e31b8a 2631 case TARGET_NR_getrlimit:
9de5e440
FB		 2632 {
2633 /* XXX: convert resource ? */
2634 int resource = arg1;
53a5960a 2635 struct target_rlimit *target_rlim;
9de5e440
FB		 2636 struct rlimit rlim;
2637
2638 ret = get_errno(getrlimit(resource, &rlim));
2639 if (!is_error(ret)) {
53a5960a
PB		 2640 lock_user_struct(target_rlim, arg2, 0);
2641 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2642 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2643 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2644 }
2645 }
2646 break;
31e31b8a 2647 case TARGET_NR_getrusage:
b409186b
FB		 2648 {
2649 struct rusage rusage;
b409186b
FB		 2650 ret = get_errno(getrusage(arg1, &rusage));
2651 if (!is_error(ret)) {
53a5960a 2652 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 2653 }
2654 }
2655 break;
31e31b8a
FB		 2656 case TARGET_NR_gettimeofday:
2657 {
31e31b8a
FB		 2658 struct timeval tv;
2659 ret = get_errno(gettimeofday(&tv, NULL));
2660 if (!is_error(ret)) {
53a5960a 2661 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 2662 }
2663 }
2664 break;
2665 case TARGET_NR_settimeofday:
2666 {
31e31b8a 2667 struct timeval tv;
53a5960a 2668 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 2669 ret = get_errno(settimeofday(&tv, NULL));
2670 }
2671 break;
048f6b4d 2672#ifdef TARGET_NR_select
31e31b8a 2673 case TARGET_NR_select:
f2674e31 2674 {
53a5960a
PB		 2675 struct target_sel_arg_struct *sel;
2676 target_ulong inp, outp, exp, tvp;
2677 long nsel;
2678
2679 lock_user_struct(sel, arg1, 1);
2680 nsel = tswapl(sel->n);
2681 inp = tswapl(sel->inp);
2682 outp = tswapl(sel->outp);
2683 exp = tswapl(sel->exp);
2684 tvp = tswapl(sel->tvp);
2685 unlock_user_struct(sel, arg1, 0);
2686 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 2687 }
2688 break;
048f6b4d 2689#endif
31e31b8a 2690 case TARGET_NR_symlink:
53a5960a
PB		 2691 {
2692 void *p2;
2693 p = lock_user_string(arg1);
2694 p2 = lock_user_string(arg2);
2695 ret = get_errno(symlink(p, p2));
2696 unlock_user(p2, arg2, 0);
2697 unlock_user(p, arg1, 0);
2698 }
31e31b8a 2699 break;
ebc05488 2700#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 2701 case TARGET_NR_oldlstat:
2702 goto unimplemented;
ebc05488 2703#endif
31e31b8a 2704 case TARGET_NR_readlink:
53a5960a
PB		 2705 {
2706 void *p2;
2707 p = lock_user_string(arg1);
2708 p2 = lock_user(arg2, arg3, 0);
2709 ret = get_errno(readlink(path(p), p2, arg3));
2710 unlock_user(p2, arg2, ret);
2711 unlock_user(p, arg1, 0);
2712 }
31e31b8a
FB		 2713 break;
2714 case TARGET_NR_uselib:
2715 goto unimplemented;
2716 case TARGET_NR_swapon:
53a5960a
PB		 2717 p = lock_user_string(arg1);
2718 ret = get_errno(swapon(p, arg2));
2719 unlock_user(p, arg1, 0);
31e31b8a
FB		 2720 break;
2721 case TARGET_NR_reboot:
2722 goto unimplemented;
2723 case TARGET_NR_readdir:
2724 goto unimplemented;
31e31b8a 2725 case TARGET_NR_mmap:
e6e5906b 2726#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
31e31b8a 2727 {
53a5960a
PB		 2728 target_ulong *v;
2729 target_ulong v1, v2, v3, v4, v5, v6;
2730 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2731 v1 = tswapl(v[0]);
2732 v2 = tswapl(v[1]);
2733 v3 = tswapl(v[2]);
2734 v4 = tswapl(v[3]);
2735 v5 = tswapl(v[4]);
2736 v6 = tswapl(v[5]);
2737 unlock_user(v, arg1, 0);
5286db75
FB		 2738 ret = get_errno(target_mmap(v1, v2, v3,
2739 target_to_host_bitmask(v4, mmap_flags_tbl),
2740 v5, v6));
31e31b8a 2741 }
31e31b8a 2742#else
6fb883e8
FB		 2743 ret = get_errno(target_mmap(arg1, arg2, arg3,
2744 target_to_host_bitmask(arg4, mmap_flags_tbl),
2745 arg5,
2746 arg6));
31e31b8a 2747#endif
6fb883e8 2748 break;
a315a145 2749#ifdef TARGET_NR_mmap2
6fb883e8 2750 case TARGET_NR_mmap2:
0d3267a7 2751#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 2752#define MMAP_SHIFT 12
2753#else
2754#define MMAP_SHIFT TARGET_PAGE_BITS
2755#endif
5286db75
FB		 2756 ret = get_errno(target_mmap(arg1, arg2, arg3,
2757 target_to_host_bitmask(arg4, mmap_flags_tbl),
2758 arg5,
c573ff67 2759 arg6 << MMAP_SHIFT));
31e31b8a 2760 break;
a315a145 2761#endif
31e31b8a 2762 case TARGET_NR_munmap:
54936004 2763 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 2764 break;
9de5e440 2765 case TARGET_NR_mprotect:
54936004 2766 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440
FB		 2767 break;
2768 case TARGET_NR_mremap:
54936004 2769 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 2770 break;
53a5960a 2771 /* ??? msync/mlock/munlock are broken for softmmu. */
9de5e440 2772 case TARGET_NR_msync:
53a5960a 2773 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440
FB		 2774 break;
2775 case TARGET_NR_mlock:
53a5960a 2776 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440
FB		 2777 break;
2778 case TARGET_NR_munlock:
53a5960a 2779 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440
FB		 2780 break;
2781 case TARGET_NR_mlockall:
2782 ret = get_errno(mlockall(arg1));
2783 break;
2784 case TARGET_NR_munlockall:
2785 ret = get_errno(munlockall());
2786 break;
31e31b8a 2787 case TARGET_NR_truncate:
53a5960a
PB		 2788 p = lock_user_string(arg1);
2789 ret = get_errno(truncate(p, arg2));
2790 unlock_user(p, arg1, 0);
31e31b8a
FB		 2791 break;
2792 case TARGET_NR_ftruncate:
2793 ret = get_errno(ftruncate(arg1, arg2));
2794 break;
2795 case TARGET_NR_fchmod:
2796 ret = get_errno(fchmod(arg1, arg2));
2797 break;
31e31b8a
FB		 2798 case TARGET_NR_getpriority:
2799 ret = get_errno(getpriority(arg1, arg2));
2800 break;
2801 case TARGET_NR_setpriority:
2802 ret = get_errno(setpriority(arg1, arg2, arg3));
2803 break;
ebc05488 2804#ifdef TARGET_NR_profil
31e31b8a
FB		 2805 case TARGET_NR_profil:
2806 goto unimplemented;
ebc05488 2807#endif
31e31b8a 2808 case TARGET_NR_statfs:
53a5960a
PB		 2809 p = lock_user_string(arg1);
2810 ret = get_errno(statfs(path(p), &stfs));
2811 unlock_user(p, arg1, 0);
31e31b8a
FB		 2812 convert_statfs:
2813 if (!is_error(ret)) {
53a5960a 2814 struct target_statfs *target_stfs;
56c8f68f 2815
53a5960a
PB		 2816 lock_user_struct(target_stfs, arg2, 0);
2817 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2818 put_user(stfs.f_type, &target_stfs->f_type);
2819 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2820 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2821 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2822 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2823 put_user(stfs.f_files, &target_stfs->f_files);
2824 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2825 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2826 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2827 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 2828 }
2829 break;
2830 case TARGET_NR_fstatfs:
56c8f68f 2831 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 2832 goto convert_statfs;
56c8f68f
FB		 2833#ifdef TARGET_NR_statfs64
2834 case TARGET_NR_statfs64:
53a5960a
PB		 2835 p = lock_user_string(arg1);
2836 ret = get_errno(statfs(path(p), &stfs));
2837 unlock_user(p, arg1, 0);
56c8f68f
FB		 2838 convert_statfs64:
2839 if (!is_error(ret)) {
53a5960a
PB		 2840 struct target_statfs64 *target_stfs;
2841
2842 lock_user_struct(target_stfs, arg3, 0);
2843 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2844 put_user(stfs.f_type, &target_stfs->f_type);
2845 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2846 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2847 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2848 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2849 put_user(stfs.f_files, &target_stfs->f_files);
2850 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2851 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2852 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2853 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 2854 }
2855 break;
2856 case TARGET_NR_fstatfs64:
2857 ret = get_errno(fstatfs(arg1, &stfs));
2858 goto convert_statfs64;
2859#endif
ebc05488 2860#ifdef TARGET_NR_ioperm
31e31b8a
FB		 2861 case TARGET_NR_ioperm:
2862 goto unimplemented;
ebc05488 2863#endif
31e31b8a 2864 case TARGET_NR_socketcall:
53a5960a 2865 ret = do_socketcall(arg1, arg2);
31e31b8a 2866 break;
3532fa74
FB		 2867
2868#ifdef TARGET_NR_accept
2869 case TARGET_NR_accept:
1be9e1dc 2870 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 2871 break;
2872#endif
2873#ifdef TARGET_NR_bind
2874 case TARGET_NR_bind:
2875 ret = do_bind(arg1, arg2, arg3);
2876 break;
2877#endif
2878#ifdef TARGET_NR_connect
2879 case TARGET_NR_connect:
2880 ret = do_connect(arg1, arg2, arg3);
2881 break;
2882#endif
2883#ifdef TARGET_NR_getpeername
2884 case TARGET_NR_getpeername:
1be9e1dc 2885 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 2886 break;
2887#endif
2888#ifdef TARGET_NR_getsockname
2889 case TARGET_NR_getsockname:
1be9e1dc 2890 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 2891 break;
2892#endif
2893#ifdef TARGET_NR_getsockopt
2894 case TARGET_NR_getsockopt:
2895 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2896 break;
2897#endif
2898#ifdef TARGET_NR_listen
2899 case TARGET_NR_listen:
1be9e1dc 2900 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 2901 break;
2902#endif
2903#ifdef TARGET_NR_recv
2904 case TARGET_NR_recv:
1be9e1dc 2905 ret = do_recvfrom(arg1, arg1, arg3, arg4, 0, 0);
3532fa74
FB		 2906 break;
2907#endif
2908#ifdef TARGET_NR_recvfrom
2909 case TARGET_NR_recvfrom:
1be9e1dc 2910 ret = do_recvfrom(arg1, arg1, arg3, arg4, arg5, arg6);
3532fa74
FB		 2911 break;
2912#endif
2913#ifdef TARGET_NR_recvmsg
2914 case TARGET_NR_recvmsg:
2915 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
2916 break;
2917#endif
2918#ifdef TARGET_NR_send
2919 case TARGET_NR_send:
1be9e1dc 2920 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 2921 break;
2922#endif
2923#ifdef TARGET_NR_sendmsg
2924 case TARGET_NR_sendmsg:
2925 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
2926 break;
2927#endif
2928#ifdef TARGET_NR_sendto
2929 case TARGET_NR_sendto:
1be9e1dc 2930 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 2931 break;
2932#endif
2933#ifdef TARGET_NR_shutdown
2934 case TARGET_NR_shutdown:
1be9e1dc 2935 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 2936 break;
2937#endif
2938#ifdef TARGET_NR_socket
2939 case TARGET_NR_socket:
2940 ret = do_socket(arg1, arg2, arg3);
2941 break;
2942#endif
2943#ifdef TARGET_NR_socketpair
2944 case TARGET_NR_socketpair:
1be9e1dc 2945 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 2946 break;
2947#endif
2948#ifdef TARGET_NR_setsockopt
2949 case TARGET_NR_setsockopt:
2950 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
2951 break;
2952#endif
7494b0f9 2953
31e31b8a 2954 case TARGET_NR_syslog:
e5574487
TS		 2955 p = lock_user_string(arg2);
2956 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
2957 unlock_user(p, arg2, 0);
7494b0f9
TS		 2958 break;
2959
31e31b8a 2960 case TARGET_NR_setitimer:
66fb9763 2961 {
66fb9763
FB		 2962 struct itimerval value, ovalue, *pvalue;
2963
53a5960a 2964 if (arg2) {
66fb9763
FB		 2965 pvalue = &value;
2966 target_to_host_timeval(&pvalue->it_interval,
53a5960a 2967 arg2);
66fb9763 2968 target_to_host_timeval(&pvalue->it_value,
53a5960a 2969 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 2970 } else {
2971 pvalue = NULL;
2972 }
2973 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 2974 if (!is_error(ret) && arg3) {
2975 host_to_target_timeval(arg3,
66fb9763 2976 &ovalue.it_interval);
53a5960a 2977 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 2978 &ovalue.it_value);
2979 }
2980 }
2981 break;
31e31b8a 2982 case TARGET_NR_getitimer:
66fb9763 2983 {
66fb9763
FB		 2984 struct itimerval value;
2985
2986 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 2987 if (!is_error(ret) && arg2) {
2988 host_to_target_timeval(arg2,
66fb9763 2989 &value.it_interval);
53a5960a 2990 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 2991 &value.it_value);
2992 }
2993 }
2994 break;
31e31b8a 2995 case TARGET_NR_stat:
53a5960a
PB		 2996 p = lock_user_string(arg1);
2997 ret = get_errno(stat(path(p), &st));
2998 unlock_user(p, arg1, 0);
31e31b8a
FB		 2999 goto do_stat;
3000 case TARGET_NR_lstat:
53a5960a
PB		 3001 p = lock_user_string(arg1);
3002 ret = get_errno(lstat(path(p), &st));
3003 unlock_user(p, arg1, 0);
31e31b8a
FB		 3004 goto do_stat;
3005 case TARGET_NR_fstat:
3006 {
3007 ret = get_errno(fstat(arg1, &st));
3008 do_stat:
3009 if (!is_error(ret)) {
53a5960a
PB		 3010 struct target_stat *target_st;
3011
3012 lock_user_struct(target_st, arg2, 0);
31e31b8a
FB		 3013 target_st->st_dev = tswap16(st.st_dev);
3014 target_st->st_ino = tswapl(st.st_ino);
7d600c80 3015#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 3016 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3017 target_st->st_uid = tswap32(st.st_uid);
3018 target_st->st_gid = tswap32(st.st_gid);
3019#else
ec86b0fb 3020 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 3021 target_st->st_uid = tswap16(st.st_uid);
3022 target_st->st_gid = tswap16(st.st_gid);
67867308
FB		 3023#endif
3024 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a
FB		 3025 target_st->st_rdev = tswap16(st.st_rdev);
3026 target_st->st_size = tswapl(st.st_size);
3027 target_st->st_blksize = tswapl(st.st_blksize);
3028 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 3029 target_st->target_st_atime = tswapl(st.st_atime);
3030 target_st->target_st_mtime = tswapl(st.st_mtime);
3031 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 3032 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 3033 }
3034 }
3035 break;
ebc05488 3036#ifdef TARGET_NR_olduname
31e31b8a
FB		 3037 case TARGET_NR_olduname:
3038 goto unimplemented;
ebc05488
FB		 3039#endif
3040#ifdef TARGET_NR_iopl
31e31b8a
FB		 3041 case TARGET_NR_iopl:
3042 goto unimplemented;
ebc05488 3043#endif
31e31b8a
FB		 3044 case TARGET_NR_vhangup:
3045 ret = get_errno(vhangup());
3046 break;
ebc05488 3047#ifdef TARGET_NR_idle
31e31b8a
FB		 3048 case TARGET_NR_idle:
3049 goto unimplemented;
42ad6ae9
FB		 3050#endif
3051#ifdef TARGET_NR_syscall
3052 case TARGET_NR_syscall:
3053 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3054 break;
ebc05488 3055#endif
31e31b8a
FB		 3056 case TARGET_NR_wait4:
3057 {
3058 int status;
53a5960a 3059 target_long status_ptr = arg2;
31e31b8a 3060 struct rusage rusage, *rusage_ptr;
53a5960a 3061 target_ulong target_rusage = arg4;
31e31b8a
FB		 3062 if (target_rusage)
3063 rusage_ptr = &rusage;
3064 else
3065 rusage_ptr = NULL;
3066 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3067 if (!is_error(ret)) {
3068 if (status_ptr)
53a5960a 3069 tputl(status_ptr, status);
31e31b8a 3070 if (target_rusage) {
b409186b 3071 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 3072 }
3073 }
3074 }
3075 break;
3076 case TARGET_NR_swapoff:
53a5960a
PB		 3077 p = lock_user_string(arg1);
3078 ret = get_errno(swapoff(p));
3079 unlock_user(p, arg1, 0);
31e31b8a
FB		 3080 break;
3081 case TARGET_NR_sysinfo:
a5448a7d 3082 {
53a5960a 3083 struct target_sysinfo *target_value;
a5448a7d
FB		 3084 struct sysinfo value;
3085 ret = get_errno(sysinfo(&value));
53a5960a 3086 if (!is_error(ret) && arg1)
a5448a7d 3087 {
53a5960a
PB		 3088 /* ??? __put_user is probably wrong. */
3089 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3090 __put_user(value.uptime, &target_value->uptime);
3091 __put_user(value.loads[0], &target_value->loads[0]);
3092 __put_user(value.loads[1], &target_value->loads[1]);
3093 __put_user(value.loads[2], &target_value->loads[2]);
3094 __put_user(value.totalram, &target_value->totalram);
3095 __put_user(value.freeram, &target_value->freeram);
3096 __put_user(value.sharedram, &target_value->sharedram);
3097 __put_user(value.bufferram, &target_value->bufferram);
3098 __put_user(value.totalswap, &target_value->totalswap);
3099 __put_user(value.freeswap, &target_value->freeswap);
3100 __put_user(value.procs, &target_value->procs);
3101 __put_user(value.totalhigh, &target_value->totalhigh);
3102 __put_user(value.freehigh, &target_value->freehigh);
3103 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 3104 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 3105 }
3106 }
3107 break;
31e31b8a 3108 case TARGET_NR_ipc:
8853f86e
FB		 3109 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3110 break;
31e31b8a
FB		 3111 case TARGET_NR_fsync:
3112 ret = get_errno(fsync(arg1));
3113 break;
31e31b8a 3114 case TARGET_NR_clone:
1b6b029e
FB		 3115 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3116 break;
ec86b0fb
FB		 3117#ifdef __NR_exit_group
3118 /* new thread calls */
3119 case TARGET_NR_exit_group:
e9009676 3120 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 3121 ret = get_errno(exit_group(arg1));
3122 break;
3123#endif
31e31b8a 3124 case TARGET_NR_setdomainname:
53a5960a
PB		 3125 p = lock_user_string(arg1);
3126 ret = get_errno(setdomainname(p, arg2));
3127 unlock_user(p, arg1, 0);
31e31b8a
FB		 3128 break;
3129 case TARGET_NR_uname:
3130 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 3131 {
3132 struct new_utsname * buf;
3133
53a5960a 3134 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 3135 ret = get_errno(sys_uname(buf));
3136 if (!is_error(ret)) {
3137 /* Overrite the native machine name with whatever is being
3138 emulated. */
3139 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 3140 /* Allow the user to override the reported release. */
3141 if (qemu_uname_release && *qemu_uname_release)
3142 strcpy (buf->release, qemu_uname_release);
29e619b1 3143 }
53a5960a 3144 unlock_user_struct(buf, arg1, 1);
29e619b1 3145 }
31e31b8a 3146 break;
6dbad63e 3147#ifdef TARGET_I386
31e31b8a 3148 case TARGET_NR_modify_ldt:
53a5960a 3149 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b
FB		 3150 break;
3151 case TARGET_NR_vm86old:
3152 goto unimplemented;
3153 case TARGET_NR_vm86:
53a5960a 3154 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e
FB		 3155 break;
3156#endif
31e31b8a
FB		 3157 case TARGET_NR_adjtimex:
3158 goto unimplemented;
31e31b8a
FB		 3159 case TARGET_NR_create_module:
3160 case TARGET_NR_init_module:
3161 case TARGET_NR_delete_module:
3162 case TARGET_NR_get_kernel_syms:
3163 goto unimplemented;
3164 case TARGET_NR_quotactl:
3165 goto unimplemented;
3166 case TARGET_NR_getpgid:
3167 ret = get_errno(getpgid(arg1));
3168 break;
3169 case TARGET_NR_fchdir:
3170 ret = get_errno(fchdir(arg1));
3171 break;
3172 case TARGET_NR_bdflush:
3173 goto unimplemented;
3174 case TARGET_NR_sysfs:
3175 goto unimplemented;
3176 case TARGET_NR_personality:
1b6b029e 3177 ret = get_errno(personality(arg1));
31e31b8a
FB		 3178 break;
3179 case TARGET_NR_afs_syscall:
3180 goto unimplemented;
31e31b8a
FB		 3181 case TARGET_NR__llseek:
3182 {
4f2ac237
FB		 3183#if defined (__x86_64__)
3184 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 3185 tput64(arg4, ret);
4f2ac237 3186#else
31e31b8a
FB		 3187 int64_t res;
3188 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 3189 tput64(arg4, res);
4f2ac237 3190#endif
31e31b8a
FB		 3191 }
3192 break;
3193 case TARGET_NR_getdents:
3194#if TARGET_LONG_SIZE != 4
53a5960a 3195 goto unimplemented;
a315a145 3196#warning not supported
4add45b4
FB		 3197#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3198 {
53a5960a 3199 struct target_dirent *target_dirp;
4add45b4
FB		 3200 struct dirent *dirp;
3201 long count = arg3;
3202
3203 dirp = malloc(count);
3204 if (!dirp)
3205 return -ENOMEM;
3206
3207 ret = get_errno(sys_getdents(arg1, dirp, count));
3208 if (!is_error(ret)) {
3209 struct dirent *de;
3210 struct target_dirent *tde;
3211 int len = ret;
3212 int reclen, treclen;
3213 int count1, tnamelen;
3214
3215 count1 = 0;
3216 de = dirp;
53a5960a 3217 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 3218 tde = target_dirp;
3219 while (len > 0) {
3220 reclen = de->d_reclen;
3221 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3222 tde->d_reclen = tswap16(treclen);
3223 tde->d_ino = tswapl(de->d_ino);
3224 tde->d_off = tswapl(de->d_off);
3225 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3226 if (tnamelen > 256)
3227 tnamelen = 256;
80a9d035 3228 /* XXX: may not be correct */
4add45b4
FB		 3229 strncpy(tde->d_name, de->d_name, tnamelen);
3230 de = (struct dirent *)((char *)de + reclen);
3231 len -= reclen;
3232 tde = (struct dirent *)((char *)tde + treclen);
3233 count1 += treclen;
3234 }
3235 ret = count1;
3236 }
53a5960a 3237 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 3238 free(dirp);
3239 }
3240#else
31e31b8a 3241 {
53a5960a 3242 struct dirent *dirp;
31e31b8a 3243 long count = arg3;
dab2ed99 3244
53a5960a 3245 dirp = lock_user(arg2, count, 0);
72f03900 3246 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 3247 if (!is_error(ret)) {
3248 struct dirent *de;
3249 int len = ret;
3250 int reclen;
3251 de = dirp;
3252 while (len > 0) {
8083a3e5 3253 reclen = de->d_reclen;
31e31b8a
FB		 3254 if (reclen > len)
3255 break;
8083a3e5 3256 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 3257 tswapls(&de->d_ino);
3258 tswapls(&de->d_off);
3259 de = (struct dirent *)((char *)de + reclen);
3260 len -= reclen;
3261 }
3262 }
53a5960a 3263 unlock_user(dirp, arg2, ret);
31e31b8a 3264 }
4add45b4 3265#endif
31e31b8a 3266 break;
a541f297 3267#ifdef TARGET_NR_getdents64
dab2ed99
FB		 3268 case TARGET_NR_getdents64:
3269 {
53a5960a 3270 struct dirent64 *dirp;
dab2ed99 3271 long count = arg3;
53a5960a 3272 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 3273 ret = get_errno(sys_getdents64(arg1, dirp, count));
3274 if (!is_error(ret)) {
3275 struct dirent64 *de;
3276 int len = ret;
3277 int reclen;
3278 de = dirp;
3279 while (len > 0) {
8083a3e5 3280 reclen = de->d_reclen;
dab2ed99
FB		 3281 if (reclen > len)
3282 break;
8083a3e5 3283 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 3284 tswap64s(&de->d_ino);
3285 tswap64s(&de->d_off);
3286 de = (struct dirent64 *)((char *)de + reclen);
3287 len -= reclen;
3288 }
3289 }
53a5960a 3290 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 3291 }
3292 break;
a541f297 3293#endif /* TARGET_NR_getdents64 */
31e31b8a 3294 case TARGET_NR__newselect:
53a5960a 3295 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 3296 break;
9de5e440
FB		 3297 case TARGET_NR_poll:
3298 {
53a5960a 3299 struct target_pollfd *target_pfd;
9de5e440
FB		 3300 unsigned int nfds = arg2;
3301 int timeout = arg3;
3302 struct pollfd *pfd;
7854b056 3303 unsigned int i;
9de5e440 3304
53a5960a 3305 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 3306 pfd = alloca(sizeof(struct pollfd) * nfds);
3307 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 3308 pfd[i].fd = tswap32(target_pfd[i].fd);
3309 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 3310 }
3311 ret = get_errno(poll(pfd, nfds, timeout));
3312 if (!is_error(ret)) {
3313 for(i = 0; i < nfds; i++) {
5cd4393b 3314 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 3315 }
53a5960a
PB		 3316 ret += nfds * (sizeof(struct target_pollfd)
3317 - sizeof(struct pollfd));
9de5e440 3318 }
53a5960a 3319 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 3320 }
3321 break;
31e31b8a 3322 case TARGET_NR_flock:
9de5e440
FB		 3323 /* NOTE: the flock constant seems to be the same for every
3324 Linux platform */
3325 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 3326 break;
3327 case TARGET_NR_readv:
3328 {
3329 int count = arg3;
31e31b8a 3330 struct iovec *vec;
31e31b8a
FB		 3331
3332 vec = alloca(count * sizeof(struct iovec));
53a5960a 3333 lock_iovec(vec, arg2, count, 0);
31e31b8a 3334 ret = get_errno(readv(arg1, vec, count));
53a5960a 3335 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 3336 }
3337 break;
3338 case TARGET_NR_writev:
3339 {
3340 int count = arg3;
31e31b8a 3341 struct iovec *vec;
31e31b8a
FB		 3342
3343 vec = alloca(count * sizeof(struct iovec));
53a5960a 3344 lock_iovec(vec, arg2, count, 1);
31e31b8a 3345 ret = get_errno(writev(arg1, vec, count));
53a5960a 3346 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 3347 }
3348 break;
3349 case TARGET_NR_getsid:
3350 ret = get_errno(getsid(arg1));
3351 break;
3352 case TARGET_NR_fdatasync:
5cd4393b
FB		 3353 ret = get_errno(fdatasync(arg1));
3354 break;
31e31b8a 3355 case TARGET_NR__sysctl:
29e619b1
FB		 3356 /* We don't implement this, but ENODIR is always a safe
3357 return value. */
3358 return -ENOTDIR;
31e31b8a 3359 case TARGET_NR_sched_setparam:
5cd4393b 3360 {
53a5960a 3361 struct sched_param *target_schp;
5cd4393b 3362 struct sched_param schp;
53a5960a
PB		 3363
3364 lock_user_struct(target_schp, arg2, 1);
5cd4393b 3365 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3366 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 3367 ret = get_errno(sched_setparam(arg1, &schp));
3368 }
3369 break;
31e31b8a 3370 case TARGET_NR_sched_getparam:
5cd4393b 3371 {
53a5960a 3372 struct sched_param *target_schp;
5cd4393b
FB		 3373 struct sched_param schp;
3374 ret = get_errno(sched_getparam(arg1, &schp));
3375 if (!is_error(ret)) {
53a5960a 3376 lock_user_struct(target_schp, arg2, 0);
5cd4393b 3377 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 3378 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 3379 }
3380 }
3381 break;
31e31b8a 3382 case TARGET_NR_sched_setscheduler:
5cd4393b 3383 {
53a5960a 3384 struct sched_param *target_schp;
5cd4393b 3385 struct sched_param schp;
53a5960a 3386 lock_user_struct(target_schp, arg3, 1);
5cd4393b 3387 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3388 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 3389 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3390 }
3391 break;
31e31b8a 3392 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 3393 ret = get_errno(sched_getscheduler(arg1));
3394 break;
31e31b8a
FB		 3395 case TARGET_NR_sched_yield:
3396 ret = get_errno(sched_yield());
3397 break;
3398 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 3399 ret = get_errno(sched_get_priority_max(arg1));
3400 break;
31e31b8a 3401 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 3402 ret = get_errno(sched_get_priority_min(arg1));
3403 break;
31e31b8a 3404 case TARGET_NR_sched_rr_get_interval:
5cd4393b 3405 {
5cd4393b
FB		 3406 struct timespec ts;
3407 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3408 if (!is_error(ret)) {
53a5960a 3409 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 3410 }
3411 }
3412 break;
31e31b8a 3413 case TARGET_NR_nanosleep:
1b6b029e 3414 {
1b6b029e 3415 struct timespec req, rem;
53a5960a 3416 target_to_host_timespec(&req, arg1);
1b6b029e 3417 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 3418 if (is_error(ret) && arg2) {
3419 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 3420 }
3421 }
3422 break;
31e31b8a 3423 case TARGET_NR_query_module:
5cd4393b 3424 goto unimplemented;
31e31b8a 3425 case TARGET_NR_nfsservctl:
5cd4393b 3426 goto unimplemented;
31e31b8a 3427 case TARGET_NR_prctl:
e5574487
TS		 3428 switch (arg1)
3429 {
3430 case PR_GET_PDEATHSIG:
3431 {
3432 int deathsig;
3433 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3434 if (!is_error(ret) && arg2)
3435 tput32(arg2, deathsig);
3436 }
3437 break;
3438 default:
3439 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
3440 break;
3441 }
39b9aae1 3442 break;
67867308 3443#ifdef TARGET_NR_pread
31e31b8a 3444 case TARGET_NR_pread:
53a5960a
PB		 3445 page_unprotect_range(arg2, arg3);
3446 p = lock_user(arg2, arg3, 0);
3447 ret = get_errno(pread(arg1, p, arg3, arg4));
3448 unlock_user(p, arg2, ret);
206f0fa7 3449 break;
31e31b8a 3450 case TARGET_NR_pwrite:
53a5960a
PB		 3451 p = lock_user(arg2, arg3, 1);
3452 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3453 unlock_user(p, arg2, 0);
206f0fa7 3454 break;
67867308 3455#endif
31e31b8a 3456 case TARGET_NR_getcwd:
53a5960a
PB		 3457 p = lock_user(arg1, arg2, 0);
3458 ret = get_errno(sys_getcwd1(p, arg2));
3459 unlock_user(p, arg1, ret);
31e31b8a
FB		 3460 break;
3461 case TARGET_NR_capget:
5cd4393b 3462 goto unimplemented;
31e31b8a 3463 case TARGET_NR_capset:
5cd4393b 3464 goto unimplemented;
31e31b8a 3465 case TARGET_NR_sigaltstack:
5cd4393b 3466 goto unimplemented;
31e31b8a 3467 case TARGET_NR_sendfile:
5cd4393b 3468 goto unimplemented;
ebc05488 3469#ifdef TARGET_NR_getpmsg
31e31b8a 3470 case TARGET_NR_getpmsg:
5cd4393b 3471 goto unimplemented;
ebc05488
FB		 3472#endif
3473#ifdef TARGET_NR_putpmsg
31e31b8a 3474 case TARGET_NR_putpmsg:
5cd4393b 3475 goto unimplemented;
ebc05488 3476#endif
048f6b4d 3477#ifdef TARGET_NR_vfork
31e31b8a 3478 case TARGET_NR_vfork:
1b6b029e 3479 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 3480 break;
048f6b4d 3481#endif
ebc05488 3482#ifdef TARGET_NR_ugetrlimit
31e31b8a 3483 case TARGET_NR_ugetrlimit:
728584be
FB		 3484 {
3485 struct rlimit rlim;
3486 ret = get_errno(getrlimit(arg1, &rlim));
3487 if (!is_error(ret)) {
53a5960a
PB		 3488 struct target_rlimit *target_rlim;
3489 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 3490 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3491 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 3492 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 3493 }
3494 break;
3495 }
ebc05488 3496#endif
a315a145 3497#ifdef TARGET_NR_truncate64
31e31b8a 3498 case TARGET_NR_truncate64:
53a5960a
PB		 3499 p = lock_user_string(arg1);
3500 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3501 unlock_user(p, arg1, 0);
667f38b1 3502 break;
a315a145
FB		 3503#endif
3504#ifdef TARGET_NR_ftruncate64
31e31b8a 3505 case TARGET_NR_ftruncate64:
ce4defa0 3506 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 3507 break;
a315a145
FB		 3508#endif
3509#ifdef TARGET_NR_stat64
31e31b8a 3510 case TARGET_NR_stat64:
53a5960a
PB		 3511 p = lock_user_string(arg1);
3512 ret = get_errno(stat(path(p), &st));
3513 unlock_user(p, arg1, 0);
60cd49d5 3514 goto do_stat64;
a315a145
FB		 3515#endif
3516#ifdef TARGET_NR_lstat64
31e31b8a 3517 case TARGET_NR_lstat64:
53a5960a
PB		 3518 p = lock_user_string(arg1);
3519 ret = get_errno(lstat(path(p), &st));
3520 unlock_user(p, arg1, 0);
60cd49d5 3521 goto do_stat64;
a315a145
FB		 3522#endif
3523#ifdef TARGET_NR_fstat64
31e31b8a 3524 case TARGET_NR_fstat64:
60cd49d5
FB		 3525 {
3526 ret = get_errno(fstat(arg1, &st));
3527 do_stat64:
3528 if (!is_error(ret)) {
ce4defa0
PB		 3529#ifdef TARGET_ARM
3530 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 3531 struct target_eabi_stat64 *target_st;
3532 lock_user_struct(target_st, arg2, 1);
ce4defa0 3533 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 3534 /* put_user is probably wrong. */
ce4defa0
PB		 3535 put_user(st.st_dev, &target_st->st_dev);
3536 put_user(st.st_ino, &target_st->st_ino);
3537#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3538 put_user(st.st_ino, &target_st->__st_ino);
3539#endif
3540 put_user(st.st_mode, &target_st->st_mode);
3541 put_user(st.st_nlink, &target_st->st_nlink);
3542 put_user(st.st_uid, &target_st->st_uid);
3543 put_user(st.st_gid, &target_st->st_gid);
3544 put_user(st.st_rdev, &target_st->st_rdev);
3545 /* XXX: better use of kernel struct */
3546 put_user(st.st_size, &target_st->st_size);
3547 put_user(st.st_blksize, &target_st->st_blksize);
3548 put_user(st.st_blocks, &target_st->st_blocks);
3549 put_user(st.st_atime, &target_st->target_st_atime);
3550 put_user(st.st_mtime, &target_st->target_st_mtime);
3551 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3552 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 3553 } else
3554#endif
3555 {
53a5960a
PB		 3556 struct target_stat64 *target_st;
3557 lock_user_struct(target_st, arg2, 1);
ce4defa0 3558 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 3559 /* ??? put_user is probably wrong. */
ce4defa0
PB		 3560 put_user(st.st_dev, &target_st->st_dev);
3561 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 3562#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 3563 put_user(st.st_ino, &target_st->__st_ino);
3564#endif
3565 put_user(st.st_mode, &target_st->st_mode);
3566 put_user(st.st_nlink, &target_st->st_nlink);
3567 put_user(st.st_uid, &target_st->st_uid);
3568 put_user(st.st_gid, &target_st->st_gid);
3569 put_user(st.st_rdev, &target_st->st_rdev);
3570 /* XXX: better use of kernel struct */
3571 put_user(st.st_size, &target_st->st_size);
3572 put_user(st.st_blksize, &target_st->st_blksize);
3573 put_user(st.st_blocks, &target_st->st_blocks);
3574 put_user(st.st_atime, &target_st->target_st_atime);
3575 put_user(st.st_mtime, &target_st->target_st_mtime);
3576 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3577 unlock_user_struct(target_st, arg2, 0);
ce4defa0 3578 }
60cd49d5
FB		 3579 }
3580 }
3581 break;
a315a145 3582#endif
67867308
FB		 3583#ifdef USE_UID16
3584 case TARGET_NR_lchown:
53a5960a
PB		 3585 p = lock_user_string(arg1);
3586 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3587 unlock_user(p, arg1, 0);
67867308
FB		 3588 break;
3589 case TARGET_NR_getuid:
3590 ret = get_errno(high2lowuid(getuid()));
3591 break;
3592 case TARGET_NR_getgid:
3593 ret = get_errno(high2lowgid(getgid()));
3594 break;
3595 case TARGET_NR_geteuid:
3596 ret = get_errno(high2lowuid(geteuid()));
3597 break;
3598 case TARGET_NR_getegid:
3599 ret = get_errno(high2lowgid(getegid()));
3600 break;
3601 case TARGET_NR_setreuid:
3602 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3603 break;
3604 case TARGET_NR_setregid:
3605 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3606 break;
3607 case TARGET_NR_getgroups:
3608 {
3609 int gidsetsize = arg1;
53a5960a 3610 uint16_t *target_grouplist;
67867308
FB		 3611 gid_t *grouplist;
3612 int i;
3613
3614 grouplist = alloca(gidsetsize * sizeof(gid_t));
3615 ret = get_errno(getgroups(gidsetsize, grouplist));
3616 if (!is_error(ret)) {
53a5960a 3617 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 3618 for(i = 0;i < gidsetsize; i++)
3619 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 3620 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 3621 }
3622 }
3623 break;
3624 case TARGET_NR_setgroups:
3625 {
3626 int gidsetsize = arg1;
53a5960a 3627 uint16_t *target_grouplist;
67867308
FB		 3628 gid_t *grouplist;
3629 int i;
3630
3631 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3632 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 3633 for(i = 0;i < gidsetsize; i++)
3634 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 3635 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 3636 ret = get_errno(setgroups(gidsetsize, grouplist));
3637 }
3638 break;
3639 case TARGET_NR_fchown:
3640 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3641 break;
3642#ifdef TARGET_NR_setresuid
3643 case TARGET_NR_setresuid:
3644 ret = get_errno(setresuid(low2highuid(arg1),
3645 low2highuid(arg2),
3646 low2highuid(arg3)));
3647 break;
3648#endif
3649#ifdef TARGET_NR_getresuid
3650 case TARGET_NR_getresuid:
3651 {
53a5960a 3652 uid_t ruid, euid, suid;
67867308
FB		 3653 ret = get_errno(getresuid(&ruid, &euid, &suid));
3654 if (!is_error(ret)) {
53a5960a
PB		 3655 tput16(arg1, tswap16(high2lowuid(ruid)));
3656 tput16(arg2, tswap16(high2lowuid(euid)));
3657 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 3658 }
3659 }
3660 break;
3661#endif
3662#ifdef TARGET_NR_getresgid
3663 case TARGET_NR_setresgid:
3664 ret = get_errno(setresgid(low2highgid(arg1),
3665 low2highgid(arg2),
3666 low2highgid(arg3)));
3667 break;
3668#endif
3669#ifdef TARGET_NR_getresgid
3670 case TARGET_NR_getresgid:
3671 {
53a5960a 3672 gid_t rgid, egid, sgid;
67867308
FB		 3673 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3674 if (!is_error(ret)) {
53a5960a
PB		 3675 tput16(arg1, tswap16(high2lowgid(rgid)));
3676 tput16(arg2, tswap16(high2lowgid(egid)));
3677 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 3678 }
3679 }
3680 break;
3681#endif
3682 case TARGET_NR_chown:
53a5960a
PB		 3683 p = lock_user_string(arg1);
3684 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3685 unlock_user(p, arg1, 0);
67867308
FB		 3686 break;
3687 case TARGET_NR_setuid:
3688 ret = get_errno(setuid(low2highuid(arg1)));
3689 break;
3690 case TARGET_NR_setgid:
3691 ret = get_errno(setgid(low2highgid(arg1)));
3692 break;
3693 case TARGET_NR_setfsuid:
3694 ret = get_errno(setfsuid(arg1));
3695 break;
3696 case TARGET_NR_setfsgid:
3697 ret = get_errno(setfsgid(arg1));
3698 break;
3699#endif /* USE_UID16 */
3700
a315a145 3701#ifdef TARGET_NR_lchown32
31e31b8a 3702 case TARGET_NR_lchown32:
53a5960a
PB		 3703 p = lock_user_string(arg1);
3704 ret = get_errno(lchown(p, arg2, arg3));
3705 unlock_user(p, arg1, 0);
b03c60f3 3706 break;
a315a145
FB		 3707#endif
3708#ifdef TARGET_NR_getuid32
31e31b8a 3709 case TARGET_NR_getuid32:
b03c60f3
FB		 3710 ret = get_errno(getuid());
3711 break;
a315a145
FB		 3712#endif
3713#ifdef TARGET_NR_getgid32
31e31b8a 3714 case TARGET_NR_getgid32:
b03c60f3
FB		 3715 ret = get_errno(getgid());
3716 break;
a315a145
FB		 3717#endif
3718#ifdef TARGET_NR_geteuid32
31e31b8a 3719 case TARGET_NR_geteuid32:
b03c60f3
FB		 3720 ret = get_errno(geteuid());
3721 break;
a315a145
FB		 3722#endif
3723#ifdef TARGET_NR_getegid32
31e31b8a 3724 case TARGET_NR_getegid32:
b03c60f3
FB		 3725 ret = get_errno(getegid());
3726 break;
a315a145
FB		 3727#endif
3728#ifdef TARGET_NR_setreuid32
31e31b8a 3729 case TARGET_NR_setreuid32:
b03c60f3
FB		 3730 ret = get_errno(setreuid(arg1, arg2));
3731 break;
a315a145
FB		 3732#endif
3733#ifdef TARGET_NR_setregid32
31e31b8a 3734 case TARGET_NR_setregid32:
b03c60f3
FB		 3735 ret = get_errno(setregid(arg1, arg2));
3736 break;
a315a145
FB		 3737#endif
3738#ifdef TARGET_NR_getgroups32
31e31b8a 3739 case TARGET_NR_getgroups32:
99c475ab
FB		 3740 {
3741 int gidsetsize = arg1;
53a5960a 3742 uint32_t *target_grouplist;
99c475ab
FB		 3743 gid_t *grouplist;
3744 int i;
3745
3746 grouplist = alloca(gidsetsize * sizeof(gid_t));
3747 ret = get_errno(getgroups(gidsetsize, grouplist));
3748 if (!is_error(ret)) {
53a5960a 3749 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 3750 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3751 target_grouplist[i] = tswap32(grouplist[i]);
3752 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 3753 }
3754 }
3755 break;
a315a145
FB		 3756#endif
3757#ifdef TARGET_NR_setgroups32
31e31b8a 3758 case TARGET_NR_setgroups32:
99c475ab
FB		 3759 {
3760 int gidsetsize = arg1;
53a5960a 3761 uint32_t *target_grouplist;
99c475ab
FB		 3762 gid_t *grouplist;
3763 int i;
3764
3765 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3766 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 3767 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3768 grouplist[i] = tswap32(target_grouplist[i]);
3769 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 3770 ret = get_errno(setgroups(gidsetsize, grouplist));
3771 }
3772 break;
a315a145
FB		 3773#endif
3774#ifdef TARGET_NR_fchown32
31e31b8a 3775 case TARGET_NR_fchown32:
b03c60f3
FB		 3776 ret = get_errno(fchown(arg1, arg2, arg3));
3777 break;
a315a145
FB		 3778#endif
3779#ifdef TARGET_NR_setresuid32
31e31b8a 3780 case TARGET_NR_setresuid32:
b03c60f3
FB		 3781 ret = get_errno(setresuid(arg1, arg2, arg3));
3782 break;
a315a145
FB		 3783#endif
3784#ifdef TARGET_NR_getresuid32
31e31b8a 3785 case TARGET_NR_getresuid32:
b03c60f3 3786 {
53a5960a 3787 uid_t ruid, euid, suid;
b03c60f3
FB		 3788 ret = get_errno(getresuid(&ruid, &euid, &suid));
3789 if (!is_error(ret)) {
53a5960a
PB		 3790 tput32(arg1, tswap32(ruid));
3791 tput32(arg2, tswap32(euid));
3792 tput32(arg3, tswap32(suid));
b03c60f3
FB		 3793 }
3794 }
3795 break;
a315a145
FB		 3796#endif
3797#ifdef TARGET_NR_setresgid32
31e31b8a 3798 case TARGET_NR_setresgid32:
b03c60f3
FB		 3799 ret = get_errno(setresgid(arg1, arg2, arg3));
3800 break;
a315a145
FB		 3801#endif
3802#ifdef TARGET_NR_getresgid32
31e31b8a 3803 case TARGET_NR_getresgid32:
b03c60f3 3804 {
53a5960a 3805 gid_t rgid, egid, sgid;
b03c60f3
FB		 3806 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3807 if (!is_error(ret)) {
53a5960a
PB		 3808 tput32(arg1, tswap32(rgid));
3809 tput32(arg2, tswap32(egid));
3810 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 3811 }
3812 }
3813 break;
a315a145
FB		 3814#endif
3815#ifdef TARGET_NR_chown32
31e31b8a 3816 case TARGET_NR_chown32:
53a5960a
PB		 3817 p = lock_user_string(arg1);
3818 ret = get_errno(chown(p, arg2, arg3));
3819 unlock_user(p, arg1, 0);
b03c60f3 3820 break;
a315a145
FB		 3821#endif
3822#ifdef TARGET_NR_setuid32
31e31b8a 3823 case TARGET_NR_setuid32:
b03c60f3
FB		 3824 ret = get_errno(setuid(arg1));
3825 break;
a315a145
FB		 3826#endif
3827#ifdef TARGET_NR_setgid32
31e31b8a 3828 case TARGET_NR_setgid32:
b03c60f3
FB		 3829 ret = get_errno(setgid(arg1));
3830 break;
a315a145
FB		 3831#endif
3832#ifdef TARGET_NR_setfsuid32
31e31b8a 3833 case TARGET_NR_setfsuid32:
b03c60f3
FB		 3834 ret = get_errno(setfsuid(arg1));
3835 break;
a315a145
FB		 3836#endif
3837#ifdef TARGET_NR_setfsgid32
31e31b8a 3838 case TARGET_NR_setfsgid32:
b03c60f3
FB		 3839 ret = get_errno(setfsgid(arg1));
3840 break;
a315a145 3841#endif
67867308 3842
31e31b8a 3843 case TARGET_NR_pivot_root:
b03c60f3 3844 goto unimplemented;
ffa65c3b 3845#ifdef TARGET_NR_mincore
31e31b8a 3846 case TARGET_NR_mincore:
b03c60f3 3847 goto unimplemented;
ffa65c3b
FB		 3848#endif
3849#ifdef TARGET_NR_madvise
31e31b8a 3850 case TARGET_NR_madvise:
24836689
PB		 3851 /* A straight passthrough may not be safe because qemu sometimes
3852 turns private flie-backed mappings into anonymous mappings.
3853 This will break MADV_DONTNEED.
3854 This is a hint, so ignoring and returning success is ok. */
3855 ret = get_errno(0);
3856 break;
ffa65c3b 3857#endif
60cd49d5 3858#if TARGET_LONG_BITS == 32
31e31b8a 3859 case TARGET_NR_fcntl64:
77e4672d
FB		 3860 {
3861 struct flock64 fl;
53a5960a 3862 struct target_flock64 *target_fl;
ce4defa0 3863#ifdef TARGET_ARM
53a5960a 3864 struct target_eabi_flock64 *target_efl;
ce4defa0 3865#endif
77e4672d 3866
60cd49d5
FB		 3867 switch(arg2) {
3868 case F_GETLK64:
77e4672d
FB		 3869 ret = get_errno(fcntl(arg1, arg2, &fl));
3870 if (ret == 0) {
ce4defa0
PB		 3871#ifdef TARGET_ARM
3872 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 3873 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 3874 target_efl->l_type = tswap16(fl.l_type);
3875 target_efl->l_whence = tswap16(fl.l_whence);
3876 target_efl->l_start = tswap64(fl.l_start);
3877 target_efl->l_len = tswap64(fl.l_len);
3878 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 3879 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 3880 } else
3881#endif
3882 {
53a5960a 3883 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 3884 target_fl->l_type = tswap16(fl.l_type);
3885 target_fl->l_whence = tswap16(fl.l_whence);
3886 target_fl->l_start = tswap64(fl.l_start);
3887 target_fl->l_len = tswap64(fl.l_len);
3888 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 3889 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 3890 }
77e4672d
FB		 3891 }
3892 break;
3893
60cd49d5
FB		 3894 case F_SETLK64:
3895 case F_SETLKW64:
ce4defa0
PB		 3896#ifdef TARGET_ARM
3897 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 3898 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 3899 fl.l_type = tswap16(target_efl->l_type);
3900 fl.l_whence = tswap16(target_efl->l_whence);
3901 fl.l_start = tswap64(target_efl->l_start);
3902 fl.l_len = tswap64(target_efl->l_len);
3903 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 3904 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 3905 } else
3906#endif
3907 {
53a5960a 3908 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 3909 fl.l_type = tswap16(target_fl->l_type);
3910 fl.l_whence = tswap16(target_fl->l_whence);
3911 fl.l_start = tswap64(target_fl->l_start);
3912 fl.l_len = tswap64(target_fl->l_len);
3913 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 3914 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 3915 }
77e4672d
FB		 3916 ret = get_errno(fcntl(arg1, arg2, &fl));
3917 break;
60cd49d5 3918 default:
7775e9ec 3919 ret = get_errno(do_fcntl(arg1, arg2, arg3));
60cd49d5
FB		 3920 break;
3921 }
77e4672d
FB		 3922 break;
3923 }
60cd49d5 3924#endif
7d600c80
TS		 3925#ifdef TARGET_NR_cacheflush
3926 case TARGET_NR_cacheflush:
3927 /* self-modifying code is handled automatically, so nothing needed */
3928 ret = 0;
3929 break;
3930#endif
ebc05488 3931#ifdef TARGET_NR_security
31e31b8a
FB		 3932 case TARGET_NR_security:
3933 goto unimplemented;
c573ff67
FB		 3934#endif
3935#ifdef TARGET_NR_getpagesize
3936 case TARGET_NR_getpagesize:
3937 ret = TARGET_PAGE_SIZE;
3938 break;
ebc05488 3939#endif
31e31b8a
FB		 3940 case TARGET_NR_gettid:
3941 ret = get_errno(gettid());
3942 break;
3943 case TARGET_NR_readahead:
5cd4393b 3944 goto unimplemented;
ebc05488 3945#ifdef TARGET_NR_setxattr
31e31b8a
FB		 3946 case TARGET_NR_setxattr:
3947 case TARGET_NR_lsetxattr:
3948 case TARGET_NR_fsetxattr:
3949 case TARGET_NR_getxattr:
3950 case TARGET_NR_lgetxattr:
3951 case TARGET_NR_fgetxattr:
3952 case TARGET_NR_listxattr:
3953 case TARGET_NR_llistxattr:
3954 case TARGET_NR_flistxattr:
3955 case TARGET_NR_removexattr:
3956 case TARGET_NR_lremovexattr:
3957 case TARGET_NR_fremovexattr:
5cd4393b 3958 goto unimplemented_nowarn;
ebc05488
FB		 3959#endif
3960#ifdef TARGET_NR_set_thread_area
5cd4393b
FB		 3961 case TARGET_NR_set_thread_area:
3962 case TARGET_NR_get_thread_area:
3963 goto unimplemented_nowarn;
48dc41eb
FB		 3964#endif
3965#ifdef TARGET_NR_getdomainname
3966 case TARGET_NR_getdomainname:
3967 goto unimplemented_nowarn;
ebc05488 3968#endif
31e31b8a
FB		 3969 default:
3970 unimplemented:
5cd4393b 3971 gemu_log("qemu: Unsupported syscall: %d\n", num);
48dc41eb 3972#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) || defined(TARGET_NR_getdomainname)
5cd4393b 3973 unimplemented_nowarn:
80a9d035 3974#endif
31e31b8a
FB		 3975 ret = -ENOSYS;
3976 break;
3977 }
3978 fail:
c573ff67
FB		 3979#ifdef DEBUG
3980 gemu_log(" = %ld\n", ret);
3981#endif
31e31b8a
FB		 3982 return ret;
3983}
3984
Qemu copy for testing