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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 30#include <sys/types.h>
d08d3bb8
TS		 31#include <sys/ipc.h>
32#include <sys/msg.h>
31e31b8a
FB		 33#include <sys/wait.h>
34#include <sys/time.h>
35#include <sys/stat.h>
36#include <sys/mount.h>
39b9aae1 37#include <sys/prctl.h>
31e31b8a
FB		 38#include <sys/resource.h>
39#include <sys/mman.h>
40#include <sys/swap.h>
41#include <signal.h>
42#include <sched.h>
43#include <sys/socket.h>
44#include <sys/uio.h>
9de5e440 45#include <sys/poll.h>
32f36bce 46#include <sys/times.h>
8853f86e 47#include <sys/shm.h>
fa294816 48#include <sys/sem.h>
56c8f68f 49#include <sys/statfs.h>
ebc05488 50#include <utime.h>
a5448a7d 51#include <sys/sysinfo.h>
72f03900 52//#include <sys/user.h>
8853f86e 53#include <netinet/ip.h>
7854b056 54#include <netinet/tcp.h>
31e31b8a
FB		 55
56#define termios host_termios
57#define winsize host_winsize
58#define termio host_termio
04369ff2
FB		 59#define sgttyb host_sgttyb /* same as target */
60#define tchars host_tchars /* same as target */
61#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 62
63#include <linux/termios.h>
64#include <linux/unistd.h>
65#include <linux/utsname.h>
66#include <linux/cdrom.h>
67#include <linux/hdreg.h>
68#include <linux/soundcard.h>
dab2ed99 69#include <linux/dirent.h>
19b84f3c 70#include <linux/kd.h>
31e31b8a 71
3ef693a0 72#include "qemu.h"
31e31b8a 73
72f03900 74//#define DEBUG
31e31b8a 75
e6e5906b
PB		 76#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
77 || defined(TARGET_M68K)
67867308
FB		 78/* 16 bit uid wrappers emulation */
79#define USE_UID16
80#endif
81
1a9353d2
FB		 82//#include <linux/msdos_fs.h>
83#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
84#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
85
70a194b9 86
70a194b9
FB		 87#undef _syscall0
88#undef _syscall1
89#undef _syscall2
90#undef _syscall3
91#undef _syscall4
92#undef _syscall5
83fcb515 93#undef _syscall6
70a194b9 94
83fcb515
FB		 95#define _syscall0(type,name) \
96type name (void) \
97{ \
98 return syscall(__NR_##name); \
99}
70a194b9 100
83fcb515
FB		 101#define _syscall1(type,name,type1,arg1) \
102type name (type1 arg1) \
103{ \
104 return syscall(__NR_##name, arg1); \
70a194b9
FB		 105}
106
83fcb515
FB		 107#define _syscall2(type,name,type1,arg1,type2,arg2) \
108type name (type1 arg1,type2 arg2) \
109{ \
110 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 111}
112
83fcb515
FB		 113#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
114type name (type1 arg1,type2 arg2,type3 arg3) \
115{ \
116 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 117}
118
83fcb515
FB		 119#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
120type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
121{ \
122 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 123}
124
83fcb515
FB		 125#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
126 type5,arg5) \
127type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
128{ \
129 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 130}
131
83fcb515
FB		 132
133#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
134 type5,arg5,type6,arg6) \
135type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
136{ \
137 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 138}
83fcb515 139
70a194b9 140
31e31b8a 141#define __NR_sys_uname __NR_uname
72f03900 142#define __NR_sys_getcwd1 __NR_getcwd
72f03900 143#define __NR_sys_getdents __NR_getdents
dab2ed99 144#define __NR_sys_getdents64 __NR_getdents64
66fb9763 145#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
7494b0f9 146#define __NR_sys_syslog __NR_syslog
31e31b8a 147
bc51c5c9 148#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 149#define __NR__llseek __NR_lseek
150#endif
151
72f03900 152#ifdef __NR_gettid
31e31b8a 153_syscall0(int, gettid)
72f03900
FB		 154#else
155static int gettid(void) {
156 return -ENOSYS;
157}
158#endif
31e31b8a 159_syscall1(int,sys_uname,struct new_utsname *,buf)
72f03900
FB		 160_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
161_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
dab2ed99 162_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
31e31b8a
FB		 163_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
164 loff_t *, res, uint, wh);
66fb9763 165_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
7494b0f9 166_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
ec86b0fb
FB		 167#ifdef __NR_exit_group
168_syscall1(int,exit_group,int,error_code)
169#endif
6f5b89a0
TS		 170#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
171_syscall1(int,set_tid_address,int *,tidptr)
172#endif
66fb9763
FB		 173
174extern int personality(int);
9de5e440
FB		 175extern int flock(int, int);
176extern int setfsuid(int);
177extern int setfsgid(int);
5cd4393b
FB		 178extern int setresuid(uid_t, uid_t, uid_t);
179extern int getresuid(uid_t *, uid_t *, uid_t *);
180extern int setresgid(gid_t, gid_t, gid_t);
181extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 182extern int setgroups(int, gid_t *);
31e31b8a
FB		 183
184static inline long get_errno(long ret)
185{
186 if (ret == -1)
187 return -errno;
188 else
189 return ret;
190}
191
192static inline int is_error(long ret)
193{
194 return (unsigned long)ret >= (unsigned long)(-4096);
195}
196
53a5960a
PB		 197static target_ulong target_brk;
198static target_ulong target_original_brk;
31e31b8a 199
53a5960a 200void target_set_brk(target_ulong new_brk)
31e31b8a 201{
53a5960a 202 target_original_brk = target_brk = new_brk;
31e31b8a
FB		 203}
204
53a5960a 205long do_brk(target_ulong new_brk)
31e31b8a 206{
53a5960a 207 target_ulong brk_page;
31e31b8a
FB		 208 long mapped_addr;
209 int new_alloc_size;
210
211 if (!new_brk)
53a5960a 212 return target_brk;
31e31b8a
FB		 213 if (new_brk < target_original_brk)
214 return -ENOMEM;
215
53a5960a 216 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 217
218 /* If the new brk is less than this, set it and we're done... */
219 if (new_brk < brk_page) {
220 target_brk = new_brk;
53a5960a 221 return target_brk;
31e31b8a
FB		 222 }
223
224 /* We need to allocate more memory after the brk... */
54936004 225 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
53a5960a 226 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 227 PROT_READ|PROT_WRITE,
228 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
31e31b8a
FB		 229 if (is_error(mapped_addr)) {
230 return mapped_addr;
231 } else {
232 target_brk = new_brk;
53a5960a 233 return target_brk;
31e31b8a
FB		 234 }
235}
236
237static inline fd_set *target_to_host_fds(fd_set *fds,
238 target_long *target_fds, int n)
239{
7854b056 240#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 241 return (fd_set *)target_fds;
242#else
243 int i, b;
244 if (target_fds) {
245 FD_ZERO(fds);
246 for(i = 0;i < n; i++) {
247 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
248 (i & (TARGET_LONG_BITS - 1))) & 1;
249 if (b)
250 FD_SET(i, fds);
251 }
252 return fds;
253 } else {
254 return NULL;
255 }
256#endif
257}
258
259static inline void host_to_target_fds(target_long *target_fds,
260 fd_set *fds, int n)
261{
7854b056 262#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 263 /* nothing to do */
264#else
265 int i, nw, j, k;
266 target_long v;
267
268 if (target_fds) {
8853f86e 269 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
31e31b8a
FB		 270 k = 0;
271 for(i = 0;i < nw; i++) {
272 v = 0;
273 for(j = 0; j < TARGET_LONG_BITS; j++) {
274 v |= ((FD_ISSET(k, fds) != 0) << j);
275 k++;
276 }
277 target_fds[i] = tswapl(v);
278 }
279 }
280#endif
281}
282
c596ed17
FB		 283#if defined(__alpha__)
284#define HOST_HZ 1024
285#else
286#define HOST_HZ 100
287#endif
288
289static inline long host_to_target_clock_t(long ticks)
290{
291#if HOST_HZ == TARGET_HZ
292 return ticks;
293#else
294 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
295#endif
296}
297
53a5960a 298static inline void host_to_target_rusage(target_ulong target_addr,
b409186b
FB		 299 const struct rusage *rusage)
300{
53a5960a
PB		 301 struct target_rusage *target_rusage;
302
303 lock_user_struct(target_rusage, target_addr, 0);
b409186b
FB		 304 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
305 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
306 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
307 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
308 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
309 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
310 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
311 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
312 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
313 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
314 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
315 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
316 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
317 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
318 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
319 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
320 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
321 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 322 unlock_user_struct(target_rusage, target_addr, 1);
b409186b
FB		 323}
324
53a5960a
PB		 325static inline void target_to_host_timeval(struct timeval *tv,
326 target_ulong target_addr)
31e31b8a 327{
53a5960a
PB		 328 struct target_timeval *target_tv;
329
330 lock_user_struct(target_tv, target_addr, 1);
66fb9763
FB		 331 tv->tv_sec = tswapl(target_tv->tv_sec);
332 tv->tv_usec = tswapl(target_tv->tv_usec);
53a5960a 333 unlock_user_struct(target_tv, target_addr, 0);
31e31b8a
FB		 334}
335
53a5960a 336static inline void host_to_target_timeval(target_ulong target_addr,
5cd4393b 337 const struct timeval *tv)
31e31b8a 338{
53a5960a
PB		 339 struct target_timeval *target_tv;
340
341 lock_user_struct(target_tv, target_addr, 0);
66fb9763
FB		 342 target_tv->tv_sec = tswapl(tv->tv_sec);
343 target_tv->tv_usec = tswapl(tv->tv_usec);
53a5960a 344 unlock_user_struct(target_tv, target_addr, 1);
31e31b8a
FB		 345}
346
347
348static long do_select(long n,
53a5960a
PB		 349 target_ulong rfd_p, target_ulong wfd_p,
350 target_ulong efd_p, target_ulong target_tv)
31e31b8a
FB		 351{
352 fd_set rfds, wfds, efds;
353 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
53a5960a 354 target_long *target_rfds, *target_wfds, *target_efds;
31e31b8a
FB		 355 struct timeval tv, *tv_ptr;
356 long ret;
53a5960a 357 int ok;
31e31b8a 358
53a5960a
PB		 359 if (rfd_p) {
360 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
361 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
362 } else {
363 target_rfds = NULL;
364 rfds_ptr = NULL;
365 }
366 if (wfd_p) {
367 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
368 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
369 } else {
370 target_wfds = NULL;
371 wfds_ptr = NULL;
372 }
373 if (efd_p) {
374 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
375 efds_ptr = target_to_host_fds(&efds, target_efds, n);
376 } else {
377 target_efds = NULL;
378 efds_ptr = NULL;
379 }
31e31b8a
FB		 380
381 if (target_tv) {
5cd4393b 382 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 383 tv_ptr = &tv;
384 } else {
385 tv_ptr = NULL;
386 }
387 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a
PB		 388 ok = !is_error(ret);
389
390 if (ok) {
31e31b8a
FB		 391 host_to_target_fds(target_rfds, rfds_ptr, n);
392 host_to_target_fds(target_wfds, wfds_ptr, n);
393 host_to_target_fds(target_efds, efds_ptr, n);
394
395 if (target_tv) {
5cd4393b 396 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 397 }
398 }
53a5960a
PB		 399 if (target_rfds)
400 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
401 if (target_wfds)
402 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
403 if (target_efds)
404 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
405
31e31b8a
FB		 406 return ret;
407}
408
7854b056 409static inline void target_to_host_sockaddr(struct sockaddr *addr,
53a5960a 410 target_ulong target_addr,
7854b056
FB		 411 socklen_t len)
412{
53a5960a
PB		 413 struct target_sockaddr *target_saddr;
414
415 target_saddr = lock_user(target_addr, len, 1);
416 memcpy(addr, target_saddr, len);
417 addr->sa_family = tswap16(target_saddr->sa_family);
418 unlock_user(target_saddr, target_addr, 0);
7854b056
FB		 419}
420
53a5960a 421static inline void host_to_target_sockaddr(target_ulong target_addr,
7854b056
FB		 422 struct sockaddr *addr,
423 socklen_t len)
424{
53a5960a
PB		 425 struct target_sockaddr *target_saddr;
426
427 target_saddr = lock_user(target_addr, len, 0);
428 memcpy(target_saddr, addr, len);
429 target_saddr->sa_family = tswap16(addr->sa_family);
430 unlock_user(target_saddr, target_addr, len);
7854b056
FB		 431}
432
53a5960a 433/* ??? Should this also swap msgh->name? */
7854b056
FB		 434static inline void target_to_host_cmsg(struct msghdr *msgh,
435 struct target_msghdr *target_msgh)
436{
437 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
438 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
439 socklen_t space = 0;
440
441 while (cmsg && target_cmsg) {
442 void *data = CMSG_DATA(cmsg);
443 void *target_data = TARGET_CMSG_DATA(target_cmsg);
444
445 int len = tswapl(target_cmsg->cmsg_len)
446 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
447
448 space += CMSG_SPACE(len);
449 if (space > msgh->msg_controllen) {
450 space -= CMSG_SPACE(len);
31febb71 451 gemu_log("Host cmsg overflow\n");
7854b056
FB		 452 break;
453 }
454
455 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
456 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
457 cmsg->cmsg_len = CMSG_LEN(len);
458
3532fa74 459 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 460 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
461 memcpy(data, target_data, len);
462 } else {
463 int *fd = (int *)data;
464 int *target_fd = (int *)target_data;
465 int i, numfds = len / sizeof(int);
466
467 for (i = 0; i < numfds; i++)
468 fd[i] = tswap32(target_fd[i]);
469 }
470
471 cmsg = CMSG_NXTHDR(msgh, cmsg);
472 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
473 }
474
475 msgh->msg_controllen = space;
476}
477
53a5960a 478/* ??? Should this also swap msgh->name? */
7854b056
FB		 479static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
480 struct msghdr *msgh)
481{
482 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
483 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
484 socklen_t space = 0;
485
486 while (cmsg && target_cmsg) {
487 void *data = CMSG_DATA(cmsg);
488 void *target_data = TARGET_CMSG_DATA(target_cmsg);
489
490 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
491
492 space += TARGET_CMSG_SPACE(len);
493 if (space > tswapl(target_msgh->msg_controllen)) {
494 space -= TARGET_CMSG_SPACE(len);
31febb71 495 gemu_log("Target cmsg overflow\n");
7854b056
FB		 496 break;
497 }
498
499 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
500 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
501 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
502
3532fa74 503 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 504 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
505 memcpy(target_data, data, len);
506 } else {
507 int *fd = (int *)data;
508 int *target_fd = (int *)target_data;
509 int i, numfds = len / sizeof(int);
510
511 for (i = 0; i < numfds; i++)
512 target_fd[i] = tswap32(fd[i]);
513 }
514
515 cmsg = CMSG_NXTHDR(msgh, cmsg);
516 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
517 }
518
519 msgh->msg_controllen = tswapl(space);
520}
521
522static long do_setsockopt(int sockfd, int level, int optname,
53a5960a 523 target_ulong optval, socklen_t optlen)
7854b056 524{
8853f86e
FB		 525 int val, ret;
526
527 switch(level) {
528 case SOL_TCP:
7854b056 529 /* TCP options all take an 'int' value. */
7854b056
FB		 530 if (optlen < sizeof(uint32_t))
531 return -EINVAL;
8853f86e 532
53a5960a 533 val = tget32(optval);
8853f86e
FB		 534 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
535 break;
536 case SOL_IP:
537 switch(optname) {
2efbe911
FB		 538 case IP_TOS:
539 case IP_TTL:
8853f86e 540 case IP_HDRINCL:
2efbe911
FB		 541 case IP_ROUTER_ALERT:
542 case IP_RECVOPTS:
543 case IP_RETOPTS:
544 case IP_PKTINFO:
545 case IP_MTU_DISCOVER:
546 case IP_RECVERR:
547 case IP_RECVTOS:
548#ifdef IP_FREEBIND
549 case IP_FREEBIND:
550#endif
551 case IP_MULTICAST_TTL:
552 case IP_MULTICAST_LOOP:
8853f86e
FB		 553 val = 0;
554 if (optlen >= sizeof(uint32_t)) {
53a5960a 555 val = tget32(optval);
8853f86e 556 } else if (optlen >= 1) {
53a5960a 557 val = tget8(optval);
8853f86e
FB		 558 }
559 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
560 break;
561 default:
562 goto unimplemented;
563 }
564 break;
3532fa74 565 case TARGET_SOL_SOCKET:
8853f86e
FB		 566 switch (optname) {
567 /* Options with 'int' argument. */
3532fa74
FB		 568 case TARGET_SO_DEBUG:
569 optname = SO_DEBUG;
570 break;
571 case TARGET_SO_REUSEADDR:
572 optname = SO_REUSEADDR;
573 break;
574 case TARGET_SO_TYPE:
575 optname = SO_TYPE;
576 break;
577 case TARGET_SO_ERROR:
578 optname = SO_ERROR;
579 break;
580 case TARGET_SO_DONTROUTE:
581 optname = SO_DONTROUTE;
582 break;
583 case TARGET_SO_BROADCAST:
584 optname = SO_BROADCAST;
585 break;
586 case TARGET_SO_SNDBUF:
587 optname = SO_SNDBUF;
588 break;
589 case TARGET_SO_RCVBUF:
590 optname = SO_RCVBUF;
591 break;
592 case TARGET_SO_KEEPALIVE:
593 optname = SO_KEEPALIVE;
594 break;
595 case TARGET_SO_OOBINLINE:
596 optname = SO_OOBINLINE;
597 break;
598 case TARGET_SO_NO_CHECK:
599 optname = SO_NO_CHECK;
600 break;
601 case TARGET_SO_PRIORITY:
602 optname = SO_PRIORITY;
603 break;
5e83e8e3 604#ifdef SO_BSDCOMPAT
3532fa74
FB		 605 case TARGET_SO_BSDCOMPAT:
606 optname = SO_BSDCOMPAT;
607 break;
5e83e8e3 608#endif
3532fa74
FB		 609 case TARGET_SO_PASSCRED:
610 optname = SO_PASSCRED;
611 break;
612 case TARGET_SO_TIMESTAMP:
613 optname = SO_TIMESTAMP;
614 break;
615 case TARGET_SO_RCVLOWAT:
616 optname = SO_RCVLOWAT;
617 break;
618 case TARGET_SO_RCVTIMEO:
619 optname = SO_RCVTIMEO;
620 break;
621 case TARGET_SO_SNDTIMEO:
622 optname = SO_SNDTIMEO;
623 break;
8853f86e
FB		 624 break;
625 default:
626 goto unimplemented;
627 }
3532fa74
FB		 628 if (optlen < sizeof(uint32_t))
629 return -EINVAL;
630
631 val = tget32(optval);
632 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 633 break;
7854b056 634 default:
8853f86e
FB		 635 unimplemented:
636 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
637 ret = -ENOSYS;
7854b056 638 }
8853f86e 639 return ret;
7854b056
FB		 640}
641
642static long do_getsockopt(int sockfd, int level, int optname,
53a5960a 643 target_ulong optval, target_ulong optlen)
7854b056 644{
8853f86e
FB		 645 int len, lv, val, ret;
646
647 switch(level) {
3532fa74
FB		 648 case TARGET_SOL_SOCKET:
649 level = SOL_SOCKET;
8853f86e 650 switch (optname) {
3532fa74
FB		 651 case TARGET_SO_LINGER:
652 case TARGET_SO_RCVTIMEO:
653 case TARGET_SO_SNDTIMEO:
654 case TARGET_SO_PEERCRED:
655 case TARGET_SO_PEERNAME:
8853f86e
FB		 656 /* These don't just return a single integer */
657 goto unimplemented;
658 default:
2efbe911
FB		 659 goto int_case;
660 }
661 break;
662 case SOL_TCP:
663 /* TCP options all take an 'int' value. */
664 int_case:
53a5960a 665 len = tget32(optlen);
2efbe911
FB		 666 if (len < 0)
667 return -EINVAL;
668 lv = sizeof(int);
669 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
670 if (ret < 0)
671 return ret;
672 val = tswap32(val);
673 if (len > lv)
674 len = lv;
53a5960a
PB		 675 if (len == 4)
676 tput32(optval, val);
677 else
678 tput8(optval, val);
679 tput32(optlen, len);
2efbe911
FB		 680 break;
681 case SOL_IP:
682 switch(optname) {
683 case IP_TOS:
684 case IP_TTL:
685 case IP_HDRINCL:
686 case IP_ROUTER_ALERT:
687 case IP_RECVOPTS:
688 case IP_RETOPTS:
689 case IP_PKTINFO:
690 case IP_MTU_DISCOVER:
691 case IP_RECVERR:
692 case IP_RECVTOS:
693#ifdef IP_FREEBIND
694 case IP_FREEBIND:
695#endif
696 case IP_MULTICAST_TTL:
697 case IP_MULTICAST_LOOP:
53a5960a 698 len = tget32(optlen);
8853f86e
FB		 699 if (len < 0)
700 return -EINVAL;
701 lv = sizeof(int);
702 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
703 if (ret < 0)
704 return ret;
2efbe911 705 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 706 len = 1;
53a5960a
PB		 707 tput32(optlen, len);
708 tput8(optval, val);
2efbe911 709 } else {
2efbe911
FB		 710 if (len > sizeof(int))
711 len = sizeof(int);
53a5960a
PB		 712 tput32(optlen, len);
713 tput32(optval, val);
2efbe911 714 }
8853f86e 715 break;
2efbe911
FB		 716 default:
717 goto unimplemented;
8853f86e
FB		 718 }
719 break;
720 default:
721 unimplemented:
722 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
723 level, optname);
724 ret = -ENOSYS;
725 break;
726 }
727 return ret;
7854b056
FB		 728}
729
53a5960a
PB		 730static void lock_iovec(struct iovec *vec, target_ulong target_addr,
731 int count, int copy)
732{
733 struct target_iovec *target_vec;
734 target_ulong base;
735 int i;
736
737 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
738 for(i = 0;i < count; i++) {
739 base = tswapl(target_vec[i].iov_base);
740 vec[i].iov_len = tswapl(target_vec[i].iov_len);
741 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
742 }
743 unlock_user (target_vec, target_addr, 0);
744}
745
746static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
747 int count, int copy)
748{
749 struct target_iovec *target_vec;
750 target_ulong base;
751 int i;
752
753 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
754 for(i = 0;i < count; i++) {
755 base = tswapl(target_vec[i].iov_base);
756 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
757 }
758 unlock_user (target_vec, target_addr, 0);
759}
760
3532fa74
FB		 761static long do_socket(int domain, int type, int protocol)
762{
763#if defined(TARGET_MIPS)
764 switch(type) {
765 case TARGET_SOCK_DGRAM:
766 type = SOCK_DGRAM;
767 break;
768 case TARGET_SOCK_STREAM:
769 type = SOCK_STREAM;
770 break;
771 case TARGET_SOCK_RAW:
772 type = SOCK_RAW;
773 break;
774 case TARGET_SOCK_RDM:
775 type = SOCK_RDM;
776 break;
777 case TARGET_SOCK_SEQPACKET:
778 type = SOCK_SEQPACKET;
779 break;
780 case TARGET_SOCK_PACKET:
781 type = SOCK_PACKET;
782 break;
783 }
784#endif
785 return get_errno(socket(domain, type, protocol));
786}
787
788static long do_bind(int sockfd, target_ulong target_addr,
789 socklen_t addrlen)
790{
791 void *addr = alloca(addrlen);
792
793 target_to_host_sockaddr(addr, target_addr, addrlen);
794 return get_errno(bind(sockfd, addr, addrlen));
795}
796
797static long do_connect(int sockfd, target_ulong target_addr,
798 socklen_t addrlen)
799{
800 void *addr = alloca(addrlen);
801
802 target_to_host_sockaddr(addr, target_addr, addrlen);
803 return get_errno(connect(sockfd, addr, addrlen));
804}
805
806static long do_sendrecvmsg(int fd, target_ulong target_msg,
807 int flags, int send)
808{
809 long ret;
810 struct target_msghdr *msgp;
811 struct msghdr msg;
812 int count;
813 struct iovec *vec;
814 target_ulong target_vec;
815
816 lock_user_struct(msgp, target_msg, 1);
817 if (msgp->msg_name) {
818 msg.msg_namelen = tswap32(msgp->msg_namelen);
819 msg.msg_name = alloca(msg.msg_namelen);
820 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
821 msg.msg_namelen);
822 } else {
823 msg.msg_name = NULL;
824 msg.msg_namelen = 0;
825 }
826 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
827 msg.msg_control = alloca(msg.msg_controllen);
828 msg.msg_flags = tswap32(msgp->msg_flags);
829
830 count = tswapl(msgp->msg_iovlen);
831 vec = alloca(count * sizeof(struct iovec));
832 target_vec = tswapl(msgp->msg_iov);
833 lock_iovec(vec, target_vec, count, send);
834 msg.msg_iovlen = count;
835 msg.msg_iov = vec;
836
837 if (send) {
838 target_to_host_cmsg(&msg, msgp);
839 ret = get_errno(sendmsg(fd, &msg, flags));
840 } else {
841 ret = get_errno(recvmsg(fd, &msg, flags));
842 if (!is_error(ret))
843 host_to_target_cmsg(msgp, &msg);
844 }
845 unlock_iovec(vec, target_vec, count, !send);
846 return ret;
847}
848
1be9e1dc
PB		 849static long do_accept(int fd, target_ulong target_addr,
850 target_ulong target_addrlen)
851{
852 socklen_t addrlen = tget32(target_addrlen);
197ea35a 853 void *addr = alloca(addrlen);
1be9e1dc
PB		 854 long ret;
855
856 ret = get_errno(accept(fd, addr, &addrlen));
857 if (!is_error(ret)) {
858 host_to_target_sockaddr(target_addr, addr, addrlen);
859 tput32(target_addrlen, addrlen);
860 }
861 return ret;
862}
863
864static long do_getpeername(int fd, target_ulong target_addr,
865 target_ulong target_addrlen)
866{
867 socklen_t addrlen = tget32(target_addrlen);
01c227fb 868 void *addr = alloca(addrlen);
1be9e1dc
PB		 869 long ret;
870
871 ret = get_errno(getpeername(fd, addr, &addrlen));
872 if (!is_error(ret)) {
873 host_to_target_sockaddr(target_addr, addr, addrlen);
874 tput32(target_addrlen, addrlen);
875 }
876 return ret;
877}
878
879static long do_getsockname(int fd, target_ulong target_addr,
880 target_ulong target_addrlen)
881{
882 socklen_t addrlen = tget32(target_addrlen);
01c227fb 883 void *addr = alloca(addrlen);
1be9e1dc
PB		 884 long ret;
885
886 ret = get_errno(getsockname(fd, addr, &addrlen));
887 if (!is_error(ret)) {
888 host_to_target_sockaddr(target_addr, addr, addrlen);
889 tput32(target_addrlen, addrlen);
890 }
891 return ret;
892}
893
894static long do_socketpair(int domain, int type, int protocol,
895 target_ulong target_tab)
896{
897 int tab[2];
898 long ret;
899
900 ret = get_errno(socketpair(domain, type, protocol, tab));
901 if (!is_error(ret)) {
902 tput32(target_tab, tab[0]);
903 tput32(target_tab + 4, tab[1]);
904 }
905 return ret;
906}
907
908static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
909 target_ulong target_addr, socklen_t addrlen)
910{
911 void *addr;
912 void *host_msg;
913 long ret;
914
915 host_msg = lock_user(msg, len, 1);
916 if (target_addr) {
917 addr = alloca(addrlen);
918 target_to_host_sockaddr(addr, target_addr, addrlen);
919 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
920 } else {
921 ret = get_errno(send(fd, host_msg, len, flags));
922 }
923 unlock_user(host_msg, msg, 0);
924 return ret;
925}
926
927static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
928 target_ulong target_addr, target_ulong target_addrlen)
929{
930 socklen_t addrlen;
931 void *addr;
932 void *host_msg;
933 long ret;
934
935 host_msg = lock_user(msg, len, 0);
936 if (target_addr) {
937 addrlen = tget32(target_addrlen);
938 addr = alloca(addrlen);
939 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
940 } else {
941 addr = NULL; /* To keep compiler quiet. */
942 ret = get_errno(recv(fd, host_msg, len, flags));
943 }
944 if (!is_error(ret)) {
945 if (target_addr) {
946 host_to_target_sockaddr(target_addr, addr, addrlen);
947 tput32(target_addrlen, addrlen);
948 }
949 unlock_user(host_msg, msg, len);
950 } else {
951 unlock_user(host_msg, msg, 0);
952 }
953 return ret;
954}
955
53a5960a 956static long do_socketcall(int num, target_ulong vptr)
31e31b8a
FB		 957{
958 long ret;
53a5960a 959 const int n = sizeof(target_ulong);
31e31b8a
FB		 960
961 switch(num) {
962 case SOCKOP_socket:
7854b056 963 {
53a5960a
PB		 964 int domain = tgetl(vptr);
965 int type = tgetl(vptr + n);
966 int protocol = tgetl(vptr + 2 * n);
3532fa74 967 ret = do_socket(domain, type, protocol);
7854b056 968 }
31e31b8a
FB		 969 break;
970 case SOCKOP_bind:
7854b056 971 {
53a5960a
PB		 972 int sockfd = tgetl(vptr);
973 target_ulong target_addr = tgetl(vptr + n);
974 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 975 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 976 }
31e31b8a
FB		 977 break;
978 case SOCKOP_connect:
7854b056 979 {
53a5960a
PB		 980 int sockfd = tgetl(vptr);
981 target_ulong target_addr = tgetl(vptr + n);
982 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 983 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 984 }
31e31b8a
FB		 985 break;
986 case SOCKOP_listen:
7854b056 987 {
53a5960a
PB		 988 int sockfd = tgetl(vptr);
989 int backlog = tgetl(vptr + n);
7854b056
FB		 990 ret = get_errno(listen(sockfd, backlog));
991 }
31e31b8a
FB		 992 break;
993 case SOCKOP_accept:
994 {
53a5960a
PB		 995 int sockfd = tgetl(vptr);
996 target_ulong target_addr = tgetl(vptr + n);
997 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 998 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 999 }
1000 break;
1001 case SOCKOP_getsockname:
1002 {
53a5960a
PB		 1003 int sockfd = tgetl(vptr);
1004 target_ulong target_addr = tgetl(vptr + n);
1005 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1006 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1007 }
1008 break;
1009 case SOCKOP_getpeername:
1010 {
53a5960a
PB		 1011 int sockfd = tgetl(vptr);
1012 target_ulong target_addr = tgetl(vptr + n);
1013 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1014 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1015 }
1016 break;
1017 case SOCKOP_socketpair:
1018 {
53a5960a
PB		 1019 int domain = tgetl(vptr);
1020 int type = tgetl(vptr + n);
1021 int protocol = tgetl(vptr + 2 * n);
1be9e1dc
PB		 1022 target_ulong tab = tgetl(vptr + 3 * n);
1023 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1024 }
1025 break;
1026 case SOCKOP_send:
7854b056 1027 {
53a5960a
PB		 1028 int sockfd = tgetl(vptr);
1029 target_ulong msg = tgetl(vptr + n);
1030 size_t len = tgetl(vptr + 2 * n);
1031 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1032 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1033 }
31e31b8a
FB		 1034 break;
1035 case SOCKOP_recv:
7854b056 1036 {
53a5960a
PB		 1037 int sockfd = tgetl(vptr);
1038 target_ulong msg = tgetl(vptr + n);
1039 size_t len = tgetl(vptr + 2 * n);
1040 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1041 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1042 }
31e31b8a
FB		 1043 break;
1044 case SOCKOP_sendto:
7854b056 1045 {
53a5960a
PB		 1046 int sockfd = tgetl(vptr);
1047 target_ulong msg = tgetl(vptr + n);
1048 size_t len = tgetl(vptr + 2 * n);
1049 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1050 target_ulong addr = tgetl(vptr + 4 * n);
53a5960a 1051 socklen_t addrlen = tgetl(vptr + 5 * n);
1be9e1dc 1052 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1053 }
31e31b8a
FB		 1054 break;
1055 case SOCKOP_recvfrom:
1056 {
53a5960a
PB		 1057 int sockfd = tgetl(vptr);
1058 target_ulong msg = tgetl(vptr + n);
1059 size_t len = tgetl(vptr + 2 * n);
1060 int flags = tgetl(vptr + 3 * n);
1be9e1dc
PB		 1061 target_ulong addr = tgetl(vptr + 4 * n);
1062 target_ulong addrlen = tgetl(vptr + 5 * n);
1063 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1064 }
1065 break;
1066 case SOCKOP_shutdown:
7854b056 1067 {
53a5960a
PB		 1068 int sockfd = tgetl(vptr);
1069 int how = tgetl(vptr + n);
7854b056
FB		 1070
1071 ret = get_errno(shutdown(sockfd, how));
1072 }
31e31b8a
FB		 1073 break;
1074 case SOCKOP_sendmsg:
1075 case SOCKOP_recvmsg:
1a9353d2
FB		 1076 {
1077 int fd;
53a5960a 1078 target_ulong target_msg;
3532fa74 1079 int flags;
1a9353d2 1080
53a5960a 1081 fd = tgetl(vptr);
3532fa74 1082 target_msg = tgetl(vptr + n);
53a5960a 1083 flags = tgetl(vptr + 2 * n);
3532fa74
FB		 1084
1085 ret = do_sendrecvmsg(fd, target_msg, flags,
1086 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1087 }
1088 break;
31e31b8a 1089 case SOCKOP_setsockopt:
7854b056 1090 {
53a5960a
PB		 1091 int sockfd = tgetl(vptr);
1092 int level = tgetl(vptr + n);
1093 int optname = tgetl(vptr + 2 * n);
1094 target_ulong optval = tgetl(vptr + 3 * n);
1095 socklen_t optlen = tgetl(vptr + 4 * n);
7854b056
FB		 1096
1097 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1098 }
1099 break;
31e31b8a 1100 case SOCKOP_getsockopt:
7854b056 1101 {
53a5960a
PB		 1102 int sockfd = tgetl(vptr);
1103 int level = tgetl(vptr + n);
1104 int optname = tgetl(vptr + 2 * n);
1105 target_ulong optval = tgetl(vptr + 3 * n);
1106 target_ulong poptlen = tgetl(vptr + 4 * n);
7854b056 1107
8853f86e 1108 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
7854b056
FB		 1109 }
1110 break;
31e31b8a
FB		 1111 default:
1112 gemu_log("Unsupported socketcall: %d\n", num);
1113 ret = -ENOSYS;
1114 break;
1115 }
1116 return ret;
1117}
1118
8853f86e
FB		 1119#define N_SHM_REGIONS 32
1120
1121static struct shm_region {
1122 uint32_t start;
1123 uint32_t size;
1124} shm_regions[N_SHM_REGIONS];
1125
fa294816
TS		 1126union semun {
1127 int val;
1128 struct senid_ds *buf;
1129 unsigned short *array;
1130};
1131
53a5960a 1132/* ??? This only works with linear mappings. */
8853f86e
FB		 1133static long do_ipc(long call, long first, long second, long third,
1134 long ptr, long fifth)
1135{
1136 int version;
1137 long ret = 0;
1138 unsigned long raddr;
1139 struct shmid_ds shm_info;
1140 int i;
1141
1142 version = call >> 16;
1143 call &= 0xffff;
1144
1145 switch (call) {
fa294816
TS		 1146 case IPCOP_semop:
1147 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1148 break;
1149
1150 case IPCOP_semget:
1151 ret = get_errno(semget(first, second, third));
1152 break;
1153
1154 case IPCOP_semctl:
1155 ret = get_errno(semctl(first, second, third, ((union semun*)ptr)->val));
1156
1157 break;
1158
1159 case IPCOP_semtimedop:
1160 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1161 ret = -ENOSYS;
1162 break;
d96372ef
TS		 1163
1164 case IPCOP_msgget:
1165 ret = get_errno(msgget(first, second));
1166 break;
1167
1168 case IPCOP_msgsnd:
1169 ret = get_errno(msgsnd(first, (struct msgbuf *) ptr, second, third));
1170 break;
1171
1172 case IPCOP_msgctl:
1173 ret = get_errno(msgctl(first, second, (struct msqid_ds *) ptr));
1174 break;
1175
1176 case IPCOP_msgrcv:
1177 {
1178 struct ipc_kludge
1179 {
1180 void *__unbounded msgp;
1181 long int msgtyp;
1182 };
1183
1184 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1185 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1186
1187 ret = get_errno(msgrcv(first, msgp, second, 0, third));
1188
1189 }
1190 break;
1191
8853f86e
FB		 1192 case IPCOP_shmat:
1193 /* SHM_* flags are the same on all linux platforms */
1194 ret = get_errno((long) shmat(first, (void *) ptr, second));
1195 if (is_error(ret))
1196 break;
1197 raddr = ret;
1198 /* find out the length of the shared memory segment */
1199
1200 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1201 if (is_error(ret)) {
1202 /* can't get length, bail out */
1203 shmdt((void *) raddr);
1204 break;
1205 }
1206 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1207 PAGE_VALID | PAGE_READ |
1208 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1209 for (i = 0; i < N_SHM_REGIONS; ++i) {
1210 if (shm_regions[i].start == 0) {
1211 shm_regions[i].start = raddr;
1212 shm_regions[i].size = shm_info.shm_segsz;
1213 break;
1214 }
1215 }
1216 if (put_user(raddr, (uint32_t *)third))
1217 return -EFAULT;
1218 ret = 0;
1219 break;
1220 case IPCOP_shmdt:
1221 for (i = 0; i < N_SHM_REGIONS; ++i) {
1222 if (shm_regions[i].start == ptr) {
1223 shm_regions[i].start = 0;
1224 page_set_flags(ptr, shm_regions[i].size, 0);
1225 break;
1226 }
1227 }
1228 ret = get_errno(shmdt((void *) ptr));
1229 break;
1230
1231 case IPCOP_shmget:
1232 /* IPC_* flag values are the same on all linux platforms */
1233 ret = get_errno(shmget(first, second, third));
1234 break;
1235
1236 /* IPC_* and SHM_* command values are the same on all linux platforms */
1237 case IPCOP_shmctl:
1238 switch(second) {
1239 case IPC_RMID:
1240 case SHM_LOCK:
1241 case SHM_UNLOCK:
1242 ret = get_errno(shmctl(first, second, NULL));
1243 break;
1244 default:
1245 goto unimplemented;
1246 }
1247 break;
1248 default:
1249 unimplemented:
1250 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1251 ret = -ENOSYS;
1252 break;
1253 }
1254 return ret;
1255}
1256
31e31b8a
FB		 1257/* kernel structure types definitions */
1258#define IFNAMSIZ 16
1259
1260#define STRUCT(name, list...) STRUCT_ ## name,
1261#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1262enum {
1263#include "syscall_types.h"
1264};
1265#undef STRUCT
1266#undef STRUCT_SPECIAL
1267
1268#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1269#define STRUCT_SPECIAL(name)
1270#include "syscall_types.h"
1271#undef STRUCT
1272#undef STRUCT_SPECIAL
1273
1274typedef struct IOCTLEntry {
2ab83ea7
FB		 1275 unsigned int target_cmd;
1276 unsigned int host_cmd;
31e31b8a
FB		 1277 const char *name;
1278 int access;
1a9353d2 1279 const argtype arg_type[5];
31e31b8a
FB		 1280} IOCTLEntry;
1281
1282#define IOC_R 0x0001
1283#define IOC_W 0x0002
1284#define IOC_RW (IOC_R | IOC_W)
1285
1286#define MAX_STRUCT_SIZE 4096
1287
2ab83ea7 1288IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 1289#define IOCTL(cmd, access, types...) \
1290 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1291#include "ioctls.h"
1292 { 0, 0, },
1293};
1294
53a5960a 1295/* ??? Implement proper locking for ioctls. */
31e31b8a
FB		 1296static long do_ioctl(long fd, long cmd, long arg)
1297{
1298 const IOCTLEntry *ie;
1299 const argtype *arg_type;
1300 long ret;
1301 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 1302 int target_size;
1303 void *argptr;
31e31b8a
FB		 1304
1305 ie = ioctl_entries;
1306 for(;;) {
1307 if (ie->target_cmd == 0) {
1308 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1309 return -ENOSYS;
1310 }
1311 if (ie->target_cmd == cmd)
1312 break;
1313 ie++;
1314 }
1315 arg_type = ie->arg_type;
9de5e440 1316#if defined(DEBUG)
72f03900
FB		 1317 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1318#endif
31e31b8a
FB		 1319 switch(arg_type[0]) {
1320 case TYPE_NULL:
1321 /* no argument */
1322 ret = get_errno(ioctl(fd, ie->host_cmd));
1323 break;
1324 case TYPE_PTRVOID:
1325 case TYPE_INT:
1326 /* int argment */
1327 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1328 break;
1329 case TYPE_PTR:
1330 arg_type++;
53a5960a 1331 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 1332 switch(ie->access) {
1333 case IOC_R:
1334 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1335 if (!is_error(ret)) {
53a5960a
PB		 1336 argptr = lock_user(arg, target_size, 0);
1337 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1338 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1339 }
1340 break;
1341 case IOC_W:
53a5960a
PB		 1342 argptr = lock_user(arg, target_size, 1);
1343 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1344 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1345 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1346 break;
1347 default:
1348 case IOC_RW:
53a5960a
PB		 1349 argptr = lock_user(arg, target_size, 1);
1350 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1351 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1352 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1353 if (!is_error(ret)) {
53a5960a
PB		 1354 argptr = lock_user(arg, target_size, 0);
1355 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1356 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1357 }
1358 break;
1359 }
1360 break;
1361 default:
1362 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1363 ret = -ENOSYS;
1364 break;
1365 }
1366 return ret;
1367}
1368
1369bitmask_transtbl iflag_tbl[] = {
1370 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1371 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1372 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1373 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1374 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1375 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1376 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1377 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1378 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1379 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1380 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1381 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1382 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1383 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1384 { 0, 0, 0, 0 }
1385};
1386
1387bitmask_transtbl oflag_tbl[] = {
1388 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1389 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1390 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1391 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1392 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1393 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1394 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1395 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1396 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1397 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1398 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1399 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1400 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1401 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1402 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1403 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1404 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1405 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1406 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1407 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1408 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1409 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1410 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1411 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1412 { 0, 0, 0, 0 }
1413};
1414
1415bitmask_transtbl cflag_tbl[] = {
1416 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1417 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1418 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1419 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1420 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1421 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1422 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1423 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1424 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1425 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1426 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1427 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1428 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1429 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1430 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1431 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1432 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1433 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1434 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1435 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1436 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1437 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1438 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1439 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1440 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1441 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1442 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1443 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1444 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1445 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1446 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1447 { 0, 0, 0, 0 }
1448};
1449
1450bitmask_transtbl lflag_tbl[] = {
1451 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1452 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1453 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1454 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1455 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1456 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1457 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1458 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1459 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1460 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1461 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1462 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1463 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1464 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1465 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1466 { 0, 0, 0, 0 }
1467};
1468
1469static void target_to_host_termios (void *dst, const void *src)
1470{
1471 struct host_termios *host = dst;
1472 const struct target_termios *target = src;
1473
1474 host->c_iflag =
1475 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1476 host->c_oflag =
1477 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1478 host->c_cflag =
1479 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1480 host->c_lflag =
1481 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1482 host->c_line = target->c_line;
1483
1484 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1485 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1486 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1487 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1488 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1489 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1490 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1491 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1492 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1493 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1494 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1495 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1496 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1497 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1498 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1499 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1500 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1501}
1502
1503static void host_to_target_termios (void *dst, const void *src)
1504{
1505 struct target_termios *target = dst;
1506 const struct host_termios *host = src;
1507
1508 target->c_iflag =
1509 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1510 target->c_oflag =
1511 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1512 target->c_cflag =
1513 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1514 target->c_lflag =
1515 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1516 target->c_line = host->c_line;
1517
1518 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1519 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1520 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1521 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1522 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1523 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1524 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1525 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1526 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1527 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1528 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1529 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1530 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1531 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1532 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1533 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1534 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1535}
1536
1537StructEntry struct_termios_def = {
1538 .convert = { host_to_target_termios, target_to_host_termios },
1539 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1540 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1541};
1542
5286db75
FB		 1543static bitmask_transtbl mmap_flags_tbl[] = {
1544 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1545 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1546 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1547 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1548 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1549 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1550 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1551 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1552 { 0, 0, 0, 0 }
1553};
1554
ffa65c3b
FB		 1555static bitmask_transtbl fcntl_flags_tbl[] = {
1556 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1557 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1558 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1559 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1560 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1561 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1562 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1563 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1564 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1565 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1566 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1567 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1568 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 1569#if defined(O_DIRECT)
ffa65c3b 1570 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 1571#endif
ffa65c3b
FB		 1572 { 0, 0, 0, 0 }
1573};
1574
2ab83ea7 1575#if defined(TARGET_I386)
6dbad63e
FB		 1576
1577/* NOTE: there is really one LDT for all the threads */
1578uint8_t *ldt_table;
1579
53a5960a 1580static int read_ldt(target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1581{
1582 int size;
53a5960a 1583 void *p;
6dbad63e
FB		 1584
1585 if (!ldt_table)
1586 return 0;
1587 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1588 if (size > bytecount)
1589 size = bytecount;
53a5960a
PB		 1590 p = lock_user(ptr, size, 0);
1591 /* ??? Shoudl this by byteswapped? */
1592 memcpy(p, ldt_table, size);
1593 unlock_user(p, ptr, size);
6dbad63e
FB		 1594 return size;
1595}
1596
1597/* XXX: add locking support */
1598static int write_ldt(CPUX86State *env,
53a5960a 1599 target_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 1600{
1601 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 1602 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e
FB		 1603 int seg_32bit, contents, read_exec_only, limit_in_pages;
1604 int seg_not_present, useable;
1605 uint32_t *lp, entry_1, entry_2;
1606
1607 if (bytecount != sizeof(ldt_info))
1608 return -EINVAL;
53a5960a
PB		 1609 lock_user_struct(target_ldt_info, ptr, 1);
1610 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1611 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1612 ldt_info.limit = tswap32(target_ldt_info->limit);
1613 ldt_info.flags = tswap32(target_ldt_info->flags);
1614 unlock_user_struct(target_ldt_info, ptr, 0);
6dbad63e
FB		 1615
1616 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1617 return -EINVAL;
1618 seg_32bit = ldt_info.flags & 1;
1619 contents = (ldt_info.flags >> 1) & 3;
1620 read_exec_only = (ldt_info.flags >> 3) & 1;
1621 limit_in_pages = (ldt_info.flags >> 4) & 1;
1622 seg_not_present = (ldt_info.flags >> 5) & 1;
1623 useable = (ldt_info.flags >> 6) & 1;
1624
1625 if (contents == 3) {
1626 if (oldmode)
1627 return -EINVAL;
1628 if (seg_not_present == 0)
1629 return -EINVAL;
1630 }
1631 /* allocate the LDT */
1632 if (!ldt_table) {
1633 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1634 if (!ldt_table)
1635 return -ENOMEM;
1636 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
53a5960a 1637 env->ldt.base = h2g(ldt_table);
6dbad63e
FB		 1638 env->ldt.limit = 0xffff;
1639 }
1640
1641 /* NOTE: same code as Linux kernel */
1642 /* Allow LDTs to be cleared by the user. */
1643 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1644 if (oldmode ||
1645 (contents == 0 &&
1646 read_exec_only == 1 &&
1647 seg_32bit == 0 &&
1648 limit_in_pages == 0 &&
1649 seg_not_present == 1 &&
1650 useable == 0 )) {
1651 entry_1 = 0;
1652 entry_2 = 0;
1653 goto install;
1654 }
1655 }
1656
1657 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1658 (ldt_info.limit & 0x0ffff);
1659 entry_2 = (ldt_info.base_addr & 0xff000000) |
1660 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1661 (ldt_info.limit & 0xf0000) |
1662 ((read_exec_only ^ 1) << 9) |
1663 (contents << 10) |
1664 ((seg_not_present ^ 1) << 15) |
1665 (seg_32bit << 22) |
1666 (limit_in_pages << 23) |
1667 0x7000;
1668 if (!oldmode)
1669 entry_2 |= (useable << 20);
14ae3ba7 1670
6dbad63e
FB		 1671 /* Install the new entry ... */
1672install:
1673 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1674 lp[0] = tswap32(entry_1);
1675 lp[1] = tswap32(entry_2);
1676 return 0;
1677}
1678
1679/* specific and weird i386 syscalls */
53a5960a 1680int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1681{
1682 int ret = -ENOSYS;
1683
1684 switch (func) {
1685 case 0:
1686 ret = read_ldt(ptr, bytecount);
1687 break;
1688 case 1:
1689 ret = write_ldt(env, ptr, bytecount, 1);
1690 break;
1691 case 0x11:
1692 ret = write_ldt(env, ptr, bytecount, 0);
1693 break;
1694 }
1695 return ret;
1696}
1b6b029e 1697
2ab83ea7
FB		 1698#endif /* defined(TARGET_I386) */
1699
1b6b029e
FB		 1700/* this stack is the equivalent of the kernel stack associated with a
1701 thread/process */
1702#define NEW_STACK_SIZE 8192
1703
1704static int clone_func(void *arg)
1705{
2ab83ea7 1706 CPUState *env = arg;
1b6b029e
FB		 1707 cpu_loop(env);
1708 /* never exits */
1709 return 0;
1710}
1711
2ab83ea7 1712int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1b6b029e
FB		 1713{
1714 int ret;
5cd4393b 1715 TaskState *ts;
1b6b029e 1716 uint8_t *new_stack;
2ab83ea7 1717 CPUState *new_env;
1b6b029e
FB		 1718
1719 if (flags & CLONE_VM) {
5cd4393b
FB		 1720 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1721 memset(ts, 0, sizeof(TaskState));
1722 new_stack = ts->stack;
1723 ts->used = 1;
1724 /* add in task state list */
1725 ts->next = first_task_state;
1726 first_task_state = ts;
1b6b029e 1727 /* we create a new CPU instance. */
c5be9f08 1728 new_env = cpu_copy(env);
2ab83ea7
FB		 1729#if defined(TARGET_I386)
1730 if (!newsp)
1731 newsp = env->regs[R_ESP];
1b6b029e
FB		 1732 new_env->regs[R_ESP] = newsp;
1733 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 1734#elif defined(TARGET_ARM)
1735 if (!newsp)
1736 newsp = env->regs[13];
1737 new_env->regs[13] = newsp;
1738 new_env->regs[0] = 0;
ebc05488 1739#elif defined(TARGET_SPARC)
48dc41eb
FB		 1740 if (!newsp)
1741 newsp = env->regwptr[22];
1742 new_env->regwptr[22] = newsp;
1743 new_env->regwptr[0] = 0;
1744 /* XXXXX */
67867308 1745 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
e6e5906b
PB		 1746#elif defined(TARGET_M68K)
1747 if (!newsp)
1748 newsp = env->aregs[7];
1749 new_env->aregs[7] = newsp;
1750 new_env->dregs[0] = 0;
1751 /* ??? is this sufficient? */
048f6b4d
FB		 1752#elif defined(TARGET_MIPS)
1753 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
67867308
FB		 1754#elif defined(TARGET_PPC)
1755 if (!newsp)
1756 newsp = env->gpr[1];
1757 new_env->gpr[1] = newsp;
1758 {
1759 int i;
1760 for (i = 7; i < 32; i++)
1761 new_env->gpr[i] = 0;
1762 }
fdf9b3e8
FB		 1763#elif defined(TARGET_SH4)
1764 if (!newsp)
1765 newsp = env->gregs[15];
1766 new_env->gregs[15] = newsp;
1767 /* XXXXX */
2ab83ea7
FB		 1768#else
1769#error unsupported target CPU
1770#endif
5cd4393b 1771 new_env->opaque = ts;
27725c1d 1772#ifdef __ia64__
fd4a43e4 1773 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 1774#else
1775 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1776#endif
1b6b029e
FB		 1777 } else {
1778 /* if no CLONE_VM, we consider it is a fork */
1779 if ((flags & ~CSIGNAL) != 0)
1780 return -EINVAL;
1781 ret = fork();
1782 }
1783 return ret;
1784}
1785
53a5960a 1786static long do_fcntl(int fd, int cmd, target_ulong arg)
7775e9ec
FB		 1787{
1788 struct flock fl;
53a5960a 1789 struct target_flock *target_fl;
43f238d7
TS		 1790 struct flock64 fl64;
1791 struct target_flock64 *target_fl64;
7775e9ec 1792 long ret;
53a5960a 1793
7775e9ec
FB		 1794 switch(cmd) {
1795 case TARGET_F_GETLK:
1796 ret = fcntl(fd, cmd, &fl);
1797 if (ret == 0) {
53a5960a 1798 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1799 target_fl->l_type = tswap16(fl.l_type);
1800 target_fl->l_whence = tswap16(fl.l_whence);
1801 target_fl->l_start = tswapl(fl.l_start);
1802 target_fl->l_len = tswapl(fl.l_len);
1803 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 1804 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1805 }
1806 break;
1807
1808 case TARGET_F_SETLK:
1809 case TARGET_F_SETLKW:
53a5960a 1810 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1811 fl.l_type = tswap16(target_fl->l_type);
1812 fl.l_whence = tswap16(target_fl->l_whence);
1813 fl.l_start = tswapl(target_fl->l_start);
1814 fl.l_len = tswapl(target_fl->l_len);
1815 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 1816 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1817 ret = fcntl(fd, cmd, &fl);
1818 break;
1819
1820 case TARGET_F_GETLK64:
43f238d7
TS		 1821 ret = fcntl(fd, cmd >> 1, &fl64);
1822 if (ret == 0) {
1823 lock_user_struct(target_fl64, arg, 0);
1824 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
1825 target_fl64->l_whence = tswap16(fl64.l_whence);
1826 target_fl64->l_start = tswapl(fl64.l_start);
1827 target_fl64->l_len = tswapl(fl64.l_len);
1828 target_fl64->l_pid = tswapl(fl64.l_pid);
1829 unlock_user_struct(target_fl64, arg, 1);
1830 }
1831 break;
7775e9ec
FB		 1832 case TARGET_F_SETLK64:
1833 case TARGET_F_SETLKW64:
43f238d7
TS		 1834 lock_user_struct(target_fl64, arg, 1);
1835 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1836 fl64.l_whence = tswap16(target_fl64->l_whence);
1837 fl64.l_start = tswapl(target_fl64->l_start);
1838 fl64.l_len = tswapl(target_fl64->l_len);
1839 fl64.l_pid = tswap16(target_fl64->l_pid);
1840 unlock_user_struct(target_fl64, arg, 0);
1841 ret = fcntl(fd, cmd >> 1, &fl64);
7775e9ec
FB		 1842 break;
1843
ffa65c3b
FB		 1844 case F_GETFL:
1845 ret = fcntl(fd, cmd, arg);
1846 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1847 break;
1848
1849 case F_SETFL:
1850 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1851 break;
1852
7775e9ec
FB		 1853 default:
1854 ret = fcntl(fd, cmd, arg);
1855 break;
1856 }
1857 return ret;
1858}
1859
67867308 1860#ifdef USE_UID16
7775e9ec 1861
67867308
FB		 1862static inline int high2lowuid(int uid)
1863{
1864 if (uid > 65535)
1865 return 65534;
1866 else
1867 return uid;
1868}
1869
1870static inline int high2lowgid(int gid)
1871{
1872 if (gid > 65535)
1873 return 65534;
1874 else
1875 return gid;
1876}
1877
1878static inline int low2highuid(int uid)
1879{
1880 if ((int16_t)uid == -1)
1881 return -1;
1882 else
1883 return uid;
1884}
1885
1886static inline int low2highgid(int gid)
1887{
1888 if ((int16_t)gid == -1)
1889 return -1;
1890 else
1891 return gid;
1892}
1893
1894#endif /* USE_UID16 */
1b6b029e 1895
31e31b8a
FB		 1896void syscall_init(void)
1897{
2ab83ea7
FB		 1898 IOCTLEntry *ie;
1899 const argtype *arg_type;
1900 int size;
1901
31e31b8a
FB		 1902#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1903#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1904#include "syscall_types.h"
1905#undef STRUCT
1906#undef STRUCT_SPECIAL
2ab83ea7
FB		 1907
1908 /* we patch the ioctl size if necessary. We rely on the fact that
1909 no ioctl has all the bits at '1' in the size field */
1910 ie = ioctl_entries;
1911 while (ie->target_cmd != 0) {
1912 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1913 TARGET_IOC_SIZEMASK) {
1914 arg_type = ie->arg_type;
1915 if (arg_type[0] != TYPE_PTR) {
1916 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1917 ie->target_cmd);
1918 exit(1);
1919 }
1920 arg_type++;
1921 size = thunk_type_size(arg_type, 0);
1922 ie->target_cmd = (ie->target_cmd &
1923 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1924 (size << TARGET_IOC_SIZESHIFT);
1925 }
1926 /* automatic consistency check if same arch */
1927#if defined(__i386__) && defined(TARGET_I386)
1928 if (ie->target_cmd != ie->host_cmd) {
1929 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1930 ie->target_cmd, ie->host_cmd);
1931 }
1932#endif
1933 ie++;
1934 }
31e31b8a 1935}
c573ff67 1936
ce4defa0
PB		 1937static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1938{
1939#ifdef TARGET_WORDS_BIG_ENDIAN
1940 return ((uint64_t)word0 << 32) | word1;
1941#else
1942 return ((uint64_t)word1 << 32) | word0;
1943#endif
1944}
1945
1946#ifdef TARGET_NR_truncate64
1947static inline long target_truncate64(void *cpu_env, const char *arg1,
1948 long arg2, long arg3, long arg4)
1949{
1950#ifdef TARGET_ARM
1951 if (((CPUARMState *)cpu_env)->eabi)
1952 {
1953 arg2 = arg3;
1954 arg3 = arg4;
1955 }
1956#endif
1957 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1958}
1959#endif
1960
1961#ifdef TARGET_NR_ftruncate64
1962static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1963 long arg3, long arg4)
1964{
1965#ifdef TARGET_ARM
1966 if (((CPUARMState *)cpu_env)->eabi)
1967 {
1968 arg2 = arg3;
1969 arg3 = arg4;
1970 }
1971#endif
1972 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1973}
1974#endif
1975
53a5960a
PB		 1976static inline void target_to_host_timespec(struct timespec *host_ts,
1977 target_ulong target_addr)
1978{
1979 struct target_timespec *target_ts;
1980
1981 lock_user_struct(target_ts, target_addr, 1);
1982 host_ts->tv_sec = tswapl(target_ts->tv_sec);
1983 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
1984 unlock_user_struct(target_ts, target_addr, 0);
1985}
1986
1987static inline void host_to_target_timespec(target_ulong target_addr,
1988 struct timespec *host_ts)
1989{
1990 struct target_timespec *target_ts;
1991
1992 lock_user_struct(target_ts, target_addr, 0);
1993 target_ts->tv_sec = tswapl(host_ts->tv_sec);
1994 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
1995 unlock_user_struct(target_ts, target_addr, 1);
1996}
1997
6dbad63e 1998long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 1999 long arg4, long arg5, long arg6)
2000{
2001 long ret;
2002 struct stat st;
56c8f68f 2003 struct statfs stfs;
53a5960a 2004 void *p;
31e31b8a 2005
72f03900 2006#ifdef DEBUG
c573ff67 2007 gemu_log("syscall %d", num);
72f03900 2008#endif
31e31b8a
FB		 2009 switch(num) {
2010 case TARGET_NR_exit:
7d13299d
FB		 2011#ifdef HAVE_GPROF
2012 _mcleanup();
2013#endif
e9009676 2014 gdb_exit(cpu_env, arg1);
1b6b029e 2015 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 2016 _exit(arg1);
2017 ret = 0; /* avoid warning */
2018 break;
2019 case TARGET_NR_read:
53a5960a
PB		 2020 page_unprotect_range(arg2, arg3);
2021 p = lock_user(arg2, arg3, 0);
2022 ret = get_errno(read(arg1, p, arg3));
2023 unlock_user(p, arg2, ret);
31e31b8a
FB		 2024 break;
2025 case TARGET_NR_write:
53a5960a
PB		 2026 p = lock_user(arg2, arg3, 1);
2027 ret = get_errno(write(arg1, p, arg3));
2028 unlock_user(p, arg2, 0);
31e31b8a
FB		 2029 break;
2030 case TARGET_NR_open:
53a5960a
PB		 2031 p = lock_user_string(arg1);
2032 ret = get_errno(open(path(p),
ffa65c3b
FB		 2033 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2034 arg3));
53a5960a 2035 unlock_user(p, arg1, 0);
31e31b8a
FB		 2036 break;
2037 case TARGET_NR_close:
2038 ret = get_errno(close(arg1));
2039 break;
2040 case TARGET_NR_brk:
53a5960a 2041 ret = do_brk(arg1);
31e31b8a
FB		 2042 break;
2043 case TARGET_NR_fork:
1b6b029e 2044 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a
FB		 2045 break;
2046 case TARGET_NR_waitpid:
2047 {
53a5960a
PB		 2048 int status;
2049 ret = get_errno(waitpid(arg1, &status, arg3));
2050 if (!is_error(ret) && arg2)
2051 tput32(arg2, status);
31e31b8a
FB		 2052 }
2053 break;
2054 case TARGET_NR_creat:
53a5960a
PB		 2055 p = lock_user_string(arg1);
2056 ret = get_errno(creat(p, arg2));
2057 unlock_user(p, arg1, 0);
31e31b8a
FB		 2058 break;
2059 case TARGET_NR_link:
53a5960a
PB		 2060 {
2061 void * p2;
2062 p = lock_user_string(arg1);
2063 p2 = lock_user_string(arg2);
2064 ret = get_errno(link(p, p2));
2065 unlock_user(p2, arg2, 0);
2066 unlock_user(p, arg1, 0);
2067 }
31e31b8a
FB		 2068 break;
2069 case TARGET_NR_unlink:
53a5960a
PB		 2070 p = lock_user_string(arg1);
2071 ret = get_errno(unlink(p));
2072 unlock_user(p, arg1, 0);
31e31b8a
FB		 2073 break;
2074 case TARGET_NR_execve:
7854b056
FB		 2075 {
2076 char **argp, **envp;
f7341ff4 2077 int argc, envc;
53a5960a
PB		 2078 target_ulong gp;
2079 target_ulong guest_argp;
2080 target_ulong guest_envp;
2081 target_ulong addr;
7854b056
FB		 2082 char **q;
2083
f7341ff4 2084 argc = 0;
53a5960a
PB		 2085 guest_argp = arg2;
2086 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2087 argc++;
f7341ff4 2088 envc = 0;
53a5960a
PB		 2089 guest_envp = arg3;
2090 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2091 envc++;
2092
f7341ff4
FB		 2093 argp = alloca((argc + 1) * sizeof(void *));
2094 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2095
53a5960a
PB		 2096 for (gp = guest_argp, q = argp; ;
2097 gp += sizeof(target_ulong), q++) {
2098 addr = tgetl(gp);
2099 if (!addr)
2100 break;
2101 *q = lock_user_string(addr);
2102 }
f7341ff4
FB		 2103 *q = NULL;
2104
53a5960a
PB		 2105 for (gp = guest_envp, q = envp; ;
2106 gp += sizeof(target_ulong), q++) {
2107 addr = tgetl(gp);
2108 if (!addr)
2109 break;
2110 *q = lock_user_string(addr);
2111 }
f7341ff4 2112 *q = NULL;
7854b056 2113
53a5960a
PB		 2114 p = lock_user_string(arg1);
2115 ret = get_errno(execve(p, argp, envp));
2116 unlock_user(p, arg1, 0);
2117
2118 for (gp = guest_argp, q = argp; *q;
2119 gp += sizeof(target_ulong), q++) {
2120 addr = tgetl(gp);
2121 unlock_user(*q, addr, 0);
2122 }
2123 for (gp = guest_envp, q = envp; *q;
2124 gp += sizeof(target_ulong), q++) {
2125 addr = tgetl(gp);
2126 unlock_user(*q, addr, 0);
2127 }
7854b056 2128 }
31e31b8a
FB		 2129 break;
2130 case TARGET_NR_chdir:
53a5960a
PB		 2131 p = lock_user_string(arg1);
2132 ret = get_errno(chdir(p));
2133 unlock_user(p, arg1, 0);
31e31b8a 2134 break;
a315a145 2135#ifdef TARGET_NR_time
31e31b8a
FB		 2136 case TARGET_NR_time:
2137 {
53a5960a
PB		 2138 time_t host_time;
2139 ret = get_errno(time(&host_time));
2140 if (!is_error(ret) && arg1)
2141 tputl(arg1, host_time);
31e31b8a
FB		 2142 }
2143 break;
a315a145 2144#endif
31e31b8a 2145 case TARGET_NR_mknod:
53a5960a
PB		 2146 p = lock_user_string(arg1);
2147 ret = get_errno(mknod(p, arg2, arg3));
2148 unlock_user(p, arg1, 0);
31e31b8a
FB		 2149 break;
2150 case TARGET_NR_chmod:
53a5960a
PB		 2151 p = lock_user_string(arg1);
2152 ret = get_errno(chmod(p, arg2));
2153 unlock_user(p, arg1, 0);
31e31b8a 2154 break;
ebc05488 2155#ifdef TARGET_NR_break
31e31b8a
FB		 2156 case TARGET_NR_break:
2157 goto unimplemented;
ebc05488
FB		 2158#endif
2159#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2160 case TARGET_NR_oldstat:
2161 goto unimplemented;
ebc05488 2162#endif
31e31b8a
FB		 2163 case TARGET_NR_lseek:
2164 ret = get_errno(lseek(arg1, arg2, arg3));
2165 break;
2166 case TARGET_NR_getpid:
2167 ret = get_errno(getpid());
2168 break;
2169 case TARGET_NR_mount:
80265918
TS		 2170 {
2171 /* need to look at the data field */
2172 void *p2, *p3;
2173 p = lock_user_string(arg1);
2174 p2 = lock_user_string(arg2);
2175 p3 = lock_user_string(arg3);
2176 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2177 unlock_user(p, arg1, 0);
2178 unlock_user(p2, arg2, 0);
2179 unlock_user(p3, arg3, 0);
2180 break;
2181 }
31e31b8a 2182 case TARGET_NR_umount:
53a5960a
PB		 2183 p = lock_user_string(arg1);
2184 ret = get_errno(umount(p));
2185 unlock_user(p, arg1, 0);
31e31b8a 2186 break;
31e31b8a
FB		 2187 case TARGET_NR_stime:
2188 {
53a5960a
PB		 2189 time_t host_time;
2190 host_time = tgetl(arg1);
2191 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2192 }
2193 break;
2194 case TARGET_NR_ptrace:
2195 goto unimplemented;
2196 case TARGET_NR_alarm:
2197 ret = alarm(arg1);
2198 break;
ebc05488 2199#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2200 case TARGET_NR_oldfstat:
2201 goto unimplemented;
ebc05488 2202#endif
31e31b8a
FB		 2203 case TARGET_NR_pause:
2204 ret = get_errno(pause());
2205 break;
2206 case TARGET_NR_utime:
ebc05488 2207 {
53a5960a
PB		 2208 struct utimbuf tbuf, *host_tbuf;
2209 struct target_utimbuf *target_tbuf;
2210 if (arg2) {
2211 lock_user_struct(target_tbuf, arg2, 1);
2212 tbuf.actime = tswapl(target_tbuf->actime);
2213 tbuf.modtime = tswapl(target_tbuf->modtime);
2214 unlock_user_struct(target_tbuf, arg2, 0);
2215 host_tbuf = &tbuf;
f72e8ff4 2216 } else {
53a5960a 2217 host_tbuf = NULL;
f72e8ff4 2218 }
53a5960a
PB		 2219 p = lock_user_string(arg1);
2220 ret = get_errno(utime(p, host_tbuf));
2221 unlock_user(p, arg1, 0);
ebc05488
FB		 2222 }
2223 break;
978a66ff
FB		 2224 case TARGET_NR_utimes:
2225 {
978a66ff 2226 struct timeval *tvp, tv[2];
53a5960a
PB		 2227 if (arg2) {
2228 target_to_host_timeval(&tv[0], arg2);
2229 target_to_host_timeval(&tv[1],
2230 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2231 tvp = tv;
2232 } else {
2233 tvp = NULL;
2234 }
53a5960a
PB		 2235 p = lock_user_string(arg1);
2236 ret = get_errno(utimes(p, tvp));
2237 unlock_user(p, arg1, 0);
978a66ff
FB		 2238 }
2239 break;
ebc05488 2240#ifdef TARGET_NR_stty
31e31b8a
FB		 2241 case TARGET_NR_stty:
2242 goto unimplemented;
ebc05488
FB		 2243#endif
2244#ifdef TARGET_NR_gtty
31e31b8a
FB		 2245 case TARGET_NR_gtty:
2246 goto unimplemented;
ebc05488 2247#endif
31e31b8a 2248 case TARGET_NR_access:
53a5960a
PB		 2249 p = lock_user_string(arg1);
2250 ret = get_errno(access(p, arg2));
2251 unlock_user(p, arg1, 0);
31e31b8a
FB		 2252 break;
2253 case TARGET_NR_nice:
2254 ret = get_errno(nice(arg1));
2255 break;
ebc05488 2256#ifdef TARGET_NR_ftime
31e31b8a
FB		 2257 case TARGET_NR_ftime:
2258 goto unimplemented;
ebc05488 2259#endif
31e31b8a 2260 case TARGET_NR_sync:
04369ff2
FB		 2261 sync();
2262 ret = 0;
31e31b8a
FB		 2263 break;
2264 case TARGET_NR_kill:
2265 ret = get_errno(kill(arg1, arg2));
2266 break;
2267 case TARGET_NR_rename:
53a5960a
PB		 2268 {
2269 void *p2;
2270 p = lock_user_string(arg1);
2271 p2 = lock_user_string(arg2);
2272 ret = get_errno(rename(p, p2));
2273 unlock_user(p2, arg2, 0);
2274 unlock_user(p, arg1, 0);
2275 }
31e31b8a
FB		 2276 break;
2277 case TARGET_NR_mkdir:
53a5960a
PB		 2278 p = lock_user_string(arg1);
2279 ret = get_errno(mkdir(p, arg2));
2280 unlock_user(p, arg1, 0);
31e31b8a
FB		 2281 break;
2282 case TARGET_NR_rmdir:
53a5960a
PB		 2283 p = lock_user_string(arg1);
2284 ret = get_errno(rmdir(p));
2285 unlock_user(p, arg1, 0);
31e31b8a
FB		 2286 break;
2287 case TARGET_NR_dup:
2288 ret = get_errno(dup(arg1));
2289 break;
2290 case TARGET_NR_pipe:
2291 {
53a5960a
PB		 2292 int host_pipe[2];
2293 ret = get_errno(pipe(host_pipe));
31e31b8a 2294 if (!is_error(ret)) {
53a5960a
PB		 2295 tput32(arg1, host_pipe[0]);
2296 tput32(arg1 + 4, host_pipe[1]);
31e31b8a
FB		 2297 }
2298 }
2299 break;
2300 case TARGET_NR_times:
32f36bce 2301 {
53a5960a 2302 struct target_tms *tmsp;
32f36bce
FB		 2303 struct tms tms;
2304 ret = get_errno(times(&tms));
53a5960a
PB		 2305 if (arg1) {
2306 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 2307 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2308 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2309 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2310 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 2311 }
c596ed17
FB		 2312 if (!is_error(ret))
2313 ret = host_to_target_clock_t(ret);
32f36bce
FB		 2314 }
2315 break;
ebc05488 2316#ifdef TARGET_NR_prof
31e31b8a
FB		 2317 case TARGET_NR_prof:
2318 goto unimplemented;
ebc05488 2319#endif
31e31b8a
FB		 2320 case TARGET_NR_signal:
2321 goto unimplemented;
67867308 2322
31e31b8a 2323 case TARGET_NR_acct:
24836689
PB		 2324 p = lock_user_string(arg1);
2325 ret = get_errno(acct(path(p)));
2326 unlock_user(p, arg1, 0);
2327 break;
31e31b8a 2328 case TARGET_NR_umount2:
53a5960a
PB		 2329 p = lock_user_string(arg1);
2330 ret = get_errno(umount2(p, arg2));
2331 unlock_user(p, arg1, 0);
31e31b8a 2332 break;
ebc05488 2333#ifdef TARGET_NR_lock
31e31b8a
FB		 2334 case TARGET_NR_lock:
2335 goto unimplemented;
ebc05488 2336#endif
31e31b8a
FB		 2337 case TARGET_NR_ioctl:
2338 ret = do_ioctl(arg1, arg2, arg3);
2339 break;
2340 case TARGET_NR_fcntl:
7775e9ec 2341 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 2342 break;
ebc05488 2343#ifdef TARGET_NR_mpx
31e31b8a
FB		 2344 case TARGET_NR_mpx:
2345 goto unimplemented;
ebc05488 2346#endif
31e31b8a
FB		 2347 case TARGET_NR_setpgid:
2348 ret = get_errno(setpgid(arg1, arg2));
2349 break;
ebc05488 2350#ifdef TARGET_NR_ulimit
31e31b8a
FB		 2351 case TARGET_NR_ulimit:
2352 goto unimplemented;
ebc05488
FB		 2353#endif
2354#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 2355 case TARGET_NR_oldolduname:
2356 goto unimplemented;
ebc05488 2357#endif
31e31b8a
FB		 2358 case TARGET_NR_umask:
2359 ret = get_errno(umask(arg1));
2360 break;
2361 case TARGET_NR_chroot:
53a5960a
PB		 2362 p = lock_user_string(arg1);
2363 ret = get_errno(chroot(p));
2364 unlock_user(p, arg1, 0);
31e31b8a
FB		 2365 break;
2366 case TARGET_NR_ustat:
2367 goto unimplemented;
2368 case TARGET_NR_dup2:
2369 ret = get_errno(dup2(arg1, arg2));
2370 break;
2371 case TARGET_NR_getppid:
2372 ret = get_errno(getppid());
2373 break;
2374 case TARGET_NR_getpgrp:
2375 ret = get_errno(getpgrp());
2376 break;
2377 case TARGET_NR_setsid:
2378 ret = get_errno(setsid());
2379 break;
2380 case TARGET_NR_sigaction:
31e31b8a 2381 {
106ec879 2382 #if !defined(TARGET_MIPS)
53a5960a 2383 struct target_old_sigaction *old_act;
66fb9763 2384 struct target_sigaction act, oact, *pact;
53a5960a
PB		 2385 if (arg2) {
2386 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 2387 act._sa_handler = old_act->_sa_handler;
2388 target_siginitset(&act.sa_mask, old_act->sa_mask);
2389 act.sa_flags = old_act->sa_flags;
2390 act.sa_restorer = old_act->sa_restorer;
53a5960a 2391 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 2392 pact = &act;
2393 } else {
2394 pact = NULL;
2395 }
2396 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 2397 if (!is_error(ret) && arg3) {
2398 lock_user_struct(old_act, arg3, 0);
2399 old_act->_sa_handler = oact._sa_handler;
2400 old_act->sa_mask = oact.sa_mask.sig[0];
2401 old_act->sa_flags = oact.sa_flags;
2402 old_act->sa_restorer = oact.sa_restorer;
2403 unlock_user_struct(old_act, arg3, 1);
66fb9763 2404 }
106ec879
FB		 2405 #else
2406 struct target_sigaction act, oact, *pact, *old_act;
2407
2408 if (arg2) {
2409 lock_user_struct(old_act, arg2, 1);
2410 act._sa_handler = old_act->_sa_handler;
2411 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2412 act.sa_flags = old_act->sa_flags;
2413 unlock_user_struct(old_act, arg2, 0);
2414 pact = &act;
2415 } else {
2416 pact = NULL;
2417 }
2418
2419 ret = get_errno(do_sigaction(arg1, pact, &oact));
2420
2421 if (!is_error(ret) && arg3) {
2422 lock_user_struct(old_act, arg3, 0);
2423 old_act->_sa_handler = oact._sa_handler;
2424 old_act->sa_flags = oact.sa_flags;
2425 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2426 old_act->sa_mask.sig[1] = 0;
2427 old_act->sa_mask.sig[2] = 0;
2428 old_act->sa_mask.sig[3] = 0;
2429 unlock_user_struct(old_act, arg3, 1);
2430 }
2431 #endif
31e31b8a
FB		 2432 }
2433 break;
66fb9763 2434 case TARGET_NR_rt_sigaction:
53a5960a
PB		 2435 {
2436 struct target_sigaction *act;
2437 struct target_sigaction *oact;
2438
2439 if (arg2)
2440 lock_user_struct(act, arg2, 1);
2441 else
2442 act = NULL;
2443 if (arg3)
2444 lock_user_struct(oact, arg3, 0);
2445 else
2446 oact = NULL;
2447 ret = get_errno(do_sigaction(arg1, act, oact));
2448 if (arg2)
2449 unlock_user_struct(act, arg2, 0);
2450 if (arg3)
2451 unlock_user_struct(oact, arg3, 1);
2452 }
66fb9763 2453 break;
31e31b8a 2454 case TARGET_NR_sgetmask:
66fb9763
FB		 2455 {
2456 sigset_t cur_set;
2457 target_ulong target_set;
2458 sigprocmask(0, NULL, &cur_set);
2459 host_to_target_old_sigset(&target_set, &cur_set);
2460 ret = target_set;
2461 }
2462 break;
31e31b8a 2463 case TARGET_NR_ssetmask:
66fb9763
FB		 2464 {
2465 sigset_t set, oset, cur_set;
2466 target_ulong target_set = arg1;
2467 sigprocmask(0, NULL, &cur_set);
2468 target_to_host_old_sigset(&set, &target_set);
2469 sigorset(&set, &set, &cur_set);
2470 sigprocmask(SIG_SETMASK, &set, &oset);
2471 host_to_target_old_sigset(&target_set, &oset);
2472 ret = target_set;
2473 }
2474 break;
2475 case TARGET_NR_sigprocmask:
2476 {
2477 int how = arg1;
2478 sigset_t set, oldset, *set_ptr;
66fb9763 2479
53a5960a 2480 if (arg2) {
66fb9763
FB		 2481 switch(how) {
2482 case TARGET_SIG_BLOCK:
2483 how = SIG_BLOCK;
2484 break;
2485 case TARGET_SIG_UNBLOCK:
2486 how = SIG_UNBLOCK;
2487 break;
2488 case TARGET_SIG_SETMASK:
2489 how = SIG_SETMASK;
2490 break;
2491 default:
2492 ret = -EINVAL;
2493 goto fail;
2494 }
53a5960a
PB		 2495 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2496 target_to_host_old_sigset(&set, p);
2497 unlock_user(p, arg2, 0);
66fb9763
FB		 2498 set_ptr = &set;
2499 } else {
2500 how = 0;
2501 set_ptr = NULL;
2502 }
2503 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 2504 if (!is_error(ret) && arg3) {
2505 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2506 host_to_target_old_sigset(p, &oldset);
2507 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2508 }
2509 }
2510 break;
2511 case TARGET_NR_rt_sigprocmask:
2512 {
2513 int how = arg1;
2514 sigset_t set, oldset, *set_ptr;
66fb9763 2515
53a5960a 2516 if (arg2) {
66fb9763
FB		 2517 switch(how) {
2518 case TARGET_SIG_BLOCK:
2519 how = SIG_BLOCK;
2520 break;
2521 case TARGET_SIG_UNBLOCK:
2522 how = SIG_UNBLOCK;
2523 break;
2524 case TARGET_SIG_SETMASK:
2525 how = SIG_SETMASK;
2526 break;
2527 default:
2528 ret = -EINVAL;
2529 goto fail;
2530 }
53a5960a
PB		 2531 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2532 target_to_host_sigset(&set, p);
2533 unlock_user(p, arg2, 0);
66fb9763
FB		 2534 set_ptr = &set;
2535 } else {
2536 how = 0;
2537 set_ptr = NULL;
2538 }
2539 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 2540 if (!is_error(ret) && arg3) {
2541 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2542 host_to_target_sigset(p, &oldset);
2543 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2544 }
2545 }
2546 break;
2547 case TARGET_NR_sigpending:
2548 {
2549 sigset_t set;
2550 ret = get_errno(sigpending(&set));
2551 if (!is_error(ret)) {
53a5960a
PB		 2552 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2553 host_to_target_old_sigset(p, &set);
2554 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2555 }
2556 }
2557 break;
2558 case TARGET_NR_rt_sigpending:
2559 {
2560 sigset_t set;
2561 ret = get_errno(sigpending(&set));
2562 if (!is_error(ret)) {
53a5960a
PB		 2563 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2564 host_to_target_sigset(p, &set);
2565 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2566 }
2567 }
2568 break;
2569 case TARGET_NR_sigsuspend:
2570 {
2571 sigset_t set;
53a5960a
PB		 2572 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2573 target_to_host_old_sigset(&set, p);
2574 unlock_user(p, arg1, 0);
66fb9763
FB		 2575 ret = get_errno(sigsuspend(&set));
2576 }
2577 break;
2578 case TARGET_NR_rt_sigsuspend:
2579 {
2580 sigset_t set;
53a5960a
PB		 2581 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2582 target_to_host_sigset(&set, p);
2583 unlock_user(p, arg1, 0);
66fb9763
FB		 2584 ret = get_errno(sigsuspend(&set));
2585 }
2586 break;
2587 case TARGET_NR_rt_sigtimedwait:
2588 {
66fb9763
FB		 2589 sigset_t set;
2590 struct timespec uts, *puts;
2591 siginfo_t uinfo;
2592
53a5960a
PB		 2593 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2594 target_to_host_sigset(&set, p);
2595 unlock_user(p, arg1, 0);
2596 if (arg3) {
66fb9763 2597 puts = &uts;
53a5960a 2598 target_to_host_timespec(puts, arg3);
66fb9763
FB		 2599 } else {
2600 puts = NULL;
2601 }
2602 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 2603 if (!is_error(ret) && arg2) {
2604 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2605 host_to_target_siginfo(p, &uinfo);
2606 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 2607 }
2608 }
2609 break;
2610 case TARGET_NR_rt_sigqueueinfo:
2611 {
2612 siginfo_t uinfo;
53a5960a
PB		 2613 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2614 target_to_host_siginfo(&uinfo, p);
2615 unlock_user(p, arg1, 0);
66fb9763
FB		 2616 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2617 }
2618 break;
2619 case TARGET_NR_sigreturn:
2620 /* NOTE: ret is eax, so not transcoding must be done */
2621 ret = do_sigreturn(cpu_env);
2622 break;
2623 case TARGET_NR_rt_sigreturn:
2624 /* NOTE: ret is eax, so not transcoding must be done */
2625 ret = do_rt_sigreturn(cpu_env);
2626 break;
31e31b8a 2627 case TARGET_NR_sethostname:
53a5960a
PB		 2628 p = lock_user_string(arg1);
2629 ret = get_errno(sethostname(p, arg2));
2630 unlock_user(p, arg1, 0);
31e31b8a
FB		 2631 break;
2632 case TARGET_NR_setrlimit:
9de5e440
FB		 2633 {
2634 /* XXX: convert resource ? */
2635 int resource = arg1;
53a5960a 2636 struct target_rlimit *target_rlim;
9de5e440 2637 struct rlimit rlim;
53a5960a 2638 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2639 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2640 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 2641 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 2642 ret = get_errno(setrlimit(resource, &rlim));
2643 }
2644 break;
31e31b8a 2645 case TARGET_NR_getrlimit:
9de5e440
FB		 2646 {
2647 /* XXX: convert resource ? */
2648 int resource = arg1;
53a5960a 2649 struct target_rlimit *target_rlim;
9de5e440
FB		 2650 struct rlimit rlim;
2651
2652 ret = get_errno(getrlimit(resource, &rlim));
2653 if (!is_error(ret)) {
53a5960a
PB		 2654 lock_user_struct(target_rlim, arg2, 0);
2655 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2656 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2657 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2658 }
2659 }
2660 break;
31e31b8a 2661 case TARGET_NR_getrusage:
b409186b
FB		 2662 {
2663 struct rusage rusage;
b409186b
FB		 2664 ret = get_errno(getrusage(arg1, &rusage));
2665 if (!is_error(ret)) {
53a5960a 2666 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 2667 }
2668 }
2669 break;
31e31b8a
FB		 2670 case TARGET_NR_gettimeofday:
2671 {
31e31b8a
FB		 2672 struct timeval tv;
2673 ret = get_errno(gettimeofday(&tv, NULL));
2674 if (!is_error(ret)) {
53a5960a 2675 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 2676 }
2677 }
2678 break;
2679 case TARGET_NR_settimeofday:
2680 {
31e31b8a 2681 struct timeval tv;
53a5960a 2682 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 2683 ret = get_errno(settimeofday(&tv, NULL));
2684 }
2685 break;
048f6b4d 2686#ifdef TARGET_NR_select
31e31b8a 2687 case TARGET_NR_select:
f2674e31 2688 {
53a5960a
PB		 2689 struct target_sel_arg_struct *sel;
2690 target_ulong inp, outp, exp, tvp;
2691 long nsel;
2692
2693 lock_user_struct(sel, arg1, 1);
2694 nsel = tswapl(sel->n);
2695 inp = tswapl(sel->inp);
2696 outp = tswapl(sel->outp);
2697 exp = tswapl(sel->exp);
2698 tvp = tswapl(sel->tvp);
2699 unlock_user_struct(sel, arg1, 0);
2700 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 2701 }
2702 break;
048f6b4d 2703#endif
31e31b8a 2704 case TARGET_NR_symlink:
53a5960a
PB		 2705 {
2706 void *p2;
2707 p = lock_user_string(arg1);
2708 p2 = lock_user_string(arg2);
2709 ret = get_errno(symlink(p, p2));
2710 unlock_user(p2, arg2, 0);
2711 unlock_user(p, arg1, 0);
2712 }
31e31b8a 2713 break;
ebc05488 2714#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 2715 case TARGET_NR_oldlstat:
2716 goto unimplemented;
ebc05488 2717#endif
31e31b8a 2718 case TARGET_NR_readlink:
53a5960a
PB		 2719 {
2720 void *p2;
2721 p = lock_user_string(arg1);
2722 p2 = lock_user(arg2, arg3, 0);
2723 ret = get_errno(readlink(path(p), p2, arg3));
2724 unlock_user(p2, arg2, ret);
2725 unlock_user(p, arg1, 0);
2726 }
31e31b8a
FB		 2727 break;
2728 case TARGET_NR_uselib:
2729 goto unimplemented;
2730 case TARGET_NR_swapon:
53a5960a
PB		 2731 p = lock_user_string(arg1);
2732 ret = get_errno(swapon(p, arg2));
2733 unlock_user(p, arg1, 0);
31e31b8a
FB		 2734 break;
2735 case TARGET_NR_reboot:
2736 goto unimplemented;
2737 case TARGET_NR_readdir:
2738 goto unimplemented;
31e31b8a 2739 case TARGET_NR_mmap:
e6e5906b 2740#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
31e31b8a 2741 {
53a5960a
PB		 2742 target_ulong *v;
2743 target_ulong v1, v2, v3, v4, v5, v6;
2744 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2745 v1 = tswapl(v[0]);
2746 v2 = tswapl(v[1]);
2747 v3 = tswapl(v[2]);
2748 v4 = tswapl(v[3]);
2749 v5 = tswapl(v[4]);
2750 v6 = tswapl(v[5]);
2751 unlock_user(v, arg1, 0);
5286db75
FB		 2752 ret = get_errno(target_mmap(v1, v2, v3,
2753 target_to_host_bitmask(v4, mmap_flags_tbl),
2754 v5, v6));
31e31b8a 2755 }
31e31b8a 2756#else
6fb883e8
FB		 2757 ret = get_errno(target_mmap(arg1, arg2, arg3,
2758 target_to_host_bitmask(arg4, mmap_flags_tbl),
2759 arg5,
2760 arg6));
31e31b8a 2761#endif
6fb883e8 2762 break;
a315a145 2763#ifdef TARGET_NR_mmap2
6fb883e8 2764 case TARGET_NR_mmap2:
0d3267a7 2765#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 2766#define MMAP_SHIFT 12
2767#else
2768#define MMAP_SHIFT TARGET_PAGE_BITS
2769#endif
5286db75
FB		 2770 ret = get_errno(target_mmap(arg1, arg2, arg3,
2771 target_to_host_bitmask(arg4, mmap_flags_tbl),
2772 arg5,
c573ff67 2773 arg6 << MMAP_SHIFT));
31e31b8a 2774 break;
a315a145 2775#endif
31e31b8a 2776 case TARGET_NR_munmap:
54936004 2777 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 2778 break;
9de5e440 2779 case TARGET_NR_mprotect:
54936004 2780 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440
FB		 2781 break;
2782 case TARGET_NR_mremap:
54936004 2783 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 2784 break;
53a5960a 2785 /* ??? msync/mlock/munlock are broken for softmmu. */
9de5e440 2786 case TARGET_NR_msync:
53a5960a 2787 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440
FB		 2788 break;
2789 case TARGET_NR_mlock:
53a5960a 2790 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440
FB		 2791 break;
2792 case TARGET_NR_munlock:
53a5960a 2793 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440
FB		 2794 break;
2795 case TARGET_NR_mlockall:
2796 ret = get_errno(mlockall(arg1));
2797 break;
2798 case TARGET_NR_munlockall:
2799 ret = get_errno(munlockall());
2800 break;
31e31b8a 2801 case TARGET_NR_truncate:
53a5960a
PB		 2802 p = lock_user_string(arg1);
2803 ret = get_errno(truncate(p, arg2));
2804 unlock_user(p, arg1, 0);
31e31b8a
FB		 2805 break;
2806 case TARGET_NR_ftruncate:
2807 ret = get_errno(ftruncate(arg1, arg2));
2808 break;
2809 case TARGET_NR_fchmod:
2810 ret = get_errno(fchmod(arg1, arg2));
2811 break;
31e31b8a
FB		 2812 case TARGET_NR_getpriority:
2813 ret = get_errno(getpriority(arg1, arg2));
2814 break;
2815 case TARGET_NR_setpriority:
2816 ret = get_errno(setpriority(arg1, arg2, arg3));
2817 break;
ebc05488 2818#ifdef TARGET_NR_profil
31e31b8a
FB		 2819 case TARGET_NR_profil:
2820 goto unimplemented;
ebc05488 2821#endif
31e31b8a 2822 case TARGET_NR_statfs:
53a5960a
PB		 2823 p = lock_user_string(arg1);
2824 ret = get_errno(statfs(path(p), &stfs));
2825 unlock_user(p, arg1, 0);
31e31b8a
FB		 2826 convert_statfs:
2827 if (!is_error(ret)) {
53a5960a 2828 struct target_statfs *target_stfs;
56c8f68f 2829
53a5960a
PB		 2830 lock_user_struct(target_stfs, arg2, 0);
2831 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2832 put_user(stfs.f_type, &target_stfs->f_type);
2833 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2834 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2835 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2836 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2837 put_user(stfs.f_files, &target_stfs->f_files);
2838 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2839 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2840 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2841 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 2842 }
2843 break;
2844 case TARGET_NR_fstatfs:
56c8f68f 2845 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 2846 goto convert_statfs;
56c8f68f
FB		 2847#ifdef TARGET_NR_statfs64
2848 case TARGET_NR_statfs64:
53a5960a
PB		 2849 p = lock_user_string(arg1);
2850 ret = get_errno(statfs(path(p), &stfs));
2851 unlock_user(p, arg1, 0);
56c8f68f
FB		 2852 convert_statfs64:
2853 if (!is_error(ret)) {
53a5960a
PB		 2854 struct target_statfs64 *target_stfs;
2855
2856 lock_user_struct(target_stfs, arg3, 0);
2857 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2858 put_user(stfs.f_type, &target_stfs->f_type);
2859 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2860 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2861 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2862 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2863 put_user(stfs.f_files, &target_stfs->f_files);
2864 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2865 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2866 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2867 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 2868 }
2869 break;
2870 case TARGET_NR_fstatfs64:
2871 ret = get_errno(fstatfs(arg1, &stfs));
2872 goto convert_statfs64;
2873#endif
ebc05488 2874#ifdef TARGET_NR_ioperm
31e31b8a
FB		 2875 case TARGET_NR_ioperm:
2876 goto unimplemented;
ebc05488 2877#endif
31e31b8a 2878 case TARGET_NR_socketcall:
53a5960a 2879 ret = do_socketcall(arg1, arg2);
31e31b8a 2880 break;
3532fa74
FB		 2881
2882#ifdef TARGET_NR_accept
2883 case TARGET_NR_accept:
1be9e1dc 2884 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 2885 break;
2886#endif
2887#ifdef TARGET_NR_bind
2888 case TARGET_NR_bind:
2889 ret = do_bind(arg1, arg2, arg3);
2890 break;
2891#endif
2892#ifdef TARGET_NR_connect
2893 case TARGET_NR_connect:
2894 ret = do_connect(arg1, arg2, arg3);
2895 break;
2896#endif
2897#ifdef TARGET_NR_getpeername
2898 case TARGET_NR_getpeername:
1be9e1dc 2899 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 2900 break;
2901#endif
2902#ifdef TARGET_NR_getsockname
2903 case TARGET_NR_getsockname:
1be9e1dc 2904 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 2905 break;
2906#endif
2907#ifdef TARGET_NR_getsockopt
2908 case TARGET_NR_getsockopt:
2909 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2910 break;
2911#endif
2912#ifdef TARGET_NR_listen
2913 case TARGET_NR_listen:
1be9e1dc 2914 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 2915 break;
2916#endif
2917#ifdef TARGET_NR_recv
2918 case TARGET_NR_recv:
214201bd 2919 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 2920 break;
2921#endif
2922#ifdef TARGET_NR_recvfrom
2923 case TARGET_NR_recvfrom:
214201bd 2924 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 2925 break;
2926#endif
2927#ifdef TARGET_NR_recvmsg
2928 case TARGET_NR_recvmsg:
2929 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
2930 break;
2931#endif
2932#ifdef TARGET_NR_send
2933 case TARGET_NR_send:
1be9e1dc 2934 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 2935 break;
2936#endif
2937#ifdef TARGET_NR_sendmsg
2938 case TARGET_NR_sendmsg:
2939 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
2940 break;
2941#endif
2942#ifdef TARGET_NR_sendto
2943 case TARGET_NR_sendto:
1be9e1dc 2944 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 2945 break;
2946#endif
2947#ifdef TARGET_NR_shutdown
2948 case TARGET_NR_shutdown:
1be9e1dc 2949 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 2950 break;
2951#endif
2952#ifdef TARGET_NR_socket
2953 case TARGET_NR_socket:
2954 ret = do_socket(arg1, arg2, arg3);
2955 break;
2956#endif
2957#ifdef TARGET_NR_socketpair
2958 case TARGET_NR_socketpair:
1be9e1dc 2959 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 2960 break;
2961#endif
2962#ifdef TARGET_NR_setsockopt
2963 case TARGET_NR_setsockopt:
2964 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
2965 break;
2966#endif
7494b0f9 2967
31e31b8a 2968 case TARGET_NR_syslog:
e5574487
TS		 2969 p = lock_user_string(arg2);
2970 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
2971 unlock_user(p, arg2, 0);
7494b0f9
TS		 2972 break;
2973
31e31b8a 2974 case TARGET_NR_setitimer:
66fb9763 2975 {
66fb9763
FB		 2976 struct itimerval value, ovalue, *pvalue;
2977
53a5960a 2978 if (arg2) {
66fb9763
FB		 2979 pvalue = &value;
2980 target_to_host_timeval(&pvalue->it_interval,
53a5960a 2981 arg2);
66fb9763 2982 target_to_host_timeval(&pvalue->it_value,
53a5960a 2983 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 2984 } else {
2985 pvalue = NULL;
2986 }
2987 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 2988 if (!is_error(ret) && arg3) {
2989 host_to_target_timeval(arg3,
66fb9763 2990 &ovalue.it_interval);
53a5960a 2991 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 2992 &ovalue.it_value);
2993 }
2994 }
2995 break;
31e31b8a 2996 case TARGET_NR_getitimer:
66fb9763 2997 {
66fb9763
FB		 2998 struct itimerval value;
2999
3000 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 3001 if (!is_error(ret) && arg2) {
3002 host_to_target_timeval(arg2,
66fb9763 3003 &value.it_interval);
53a5960a 3004 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 3005 &value.it_value);
3006 }
3007 }
3008 break;
31e31b8a 3009 case TARGET_NR_stat:
53a5960a
PB		 3010 p = lock_user_string(arg1);
3011 ret = get_errno(stat(path(p), &st));
3012 unlock_user(p, arg1, 0);
31e31b8a
FB		 3013 goto do_stat;
3014 case TARGET_NR_lstat:
53a5960a
PB		 3015 p = lock_user_string(arg1);
3016 ret = get_errno(lstat(path(p), &st));
3017 unlock_user(p, arg1, 0);
31e31b8a
FB		 3018 goto do_stat;
3019 case TARGET_NR_fstat:
3020 {
3021 ret = get_errno(fstat(arg1, &st));
3022 do_stat:
3023 if (!is_error(ret)) {
53a5960a
PB		 3024 struct target_stat *target_st;
3025
3026 lock_user_struct(target_st, arg2, 0);
31e31b8a
FB		 3027 target_st->st_dev = tswap16(st.st_dev);
3028 target_st->st_ino = tswapl(st.st_ino);
7d600c80 3029#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 3030 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3031 target_st->st_uid = tswap32(st.st_uid);
3032 target_st->st_gid = tswap32(st.st_gid);
3033#else
ec86b0fb 3034 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 3035 target_st->st_uid = tswap16(st.st_uid);
3036 target_st->st_gid = tswap16(st.st_gid);
67867308
FB		 3037#endif
3038 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a
FB		 3039 target_st->st_rdev = tswap16(st.st_rdev);
3040 target_st->st_size = tswapl(st.st_size);
3041 target_st->st_blksize = tswapl(st.st_blksize);
3042 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 3043 target_st->target_st_atime = tswapl(st.st_atime);
3044 target_st->target_st_mtime = tswapl(st.st_mtime);
3045 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 3046 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 3047 }
3048 }
3049 break;
ebc05488 3050#ifdef TARGET_NR_olduname
31e31b8a
FB		 3051 case TARGET_NR_olduname:
3052 goto unimplemented;
ebc05488
FB		 3053#endif
3054#ifdef TARGET_NR_iopl
31e31b8a
FB		 3055 case TARGET_NR_iopl:
3056 goto unimplemented;
ebc05488 3057#endif
31e31b8a
FB		 3058 case TARGET_NR_vhangup:
3059 ret = get_errno(vhangup());
3060 break;
ebc05488 3061#ifdef TARGET_NR_idle
31e31b8a
FB		 3062 case TARGET_NR_idle:
3063 goto unimplemented;
42ad6ae9
FB		 3064#endif
3065#ifdef TARGET_NR_syscall
3066 case TARGET_NR_syscall:
3067 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3068 break;
ebc05488 3069#endif
31e31b8a
FB		 3070 case TARGET_NR_wait4:
3071 {
3072 int status;
53a5960a 3073 target_long status_ptr = arg2;
31e31b8a 3074 struct rusage rusage, *rusage_ptr;
53a5960a 3075 target_ulong target_rusage = arg4;
31e31b8a
FB		 3076 if (target_rusage)
3077 rusage_ptr = &rusage;
3078 else
3079 rusage_ptr = NULL;
3080 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3081 if (!is_error(ret)) {
3082 if (status_ptr)
53a5960a 3083 tputl(status_ptr, status);
31e31b8a 3084 if (target_rusage) {
b409186b 3085 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 3086 }
3087 }
3088 }
3089 break;
3090 case TARGET_NR_swapoff:
53a5960a
PB		 3091 p = lock_user_string(arg1);
3092 ret = get_errno(swapoff(p));
3093 unlock_user(p, arg1, 0);
31e31b8a
FB		 3094 break;
3095 case TARGET_NR_sysinfo:
a5448a7d 3096 {
53a5960a 3097 struct target_sysinfo *target_value;
a5448a7d
FB		 3098 struct sysinfo value;
3099 ret = get_errno(sysinfo(&value));
53a5960a 3100 if (!is_error(ret) && arg1)
a5448a7d 3101 {
53a5960a
PB		 3102 /* ??? __put_user is probably wrong. */
3103 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3104 __put_user(value.uptime, &target_value->uptime);
3105 __put_user(value.loads[0], &target_value->loads[0]);
3106 __put_user(value.loads[1], &target_value->loads[1]);
3107 __put_user(value.loads[2], &target_value->loads[2]);
3108 __put_user(value.totalram, &target_value->totalram);
3109 __put_user(value.freeram, &target_value->freeram);
3110 __put_user(value.sharedram, &target_value->sharedram);
3111 __put_user(value.bufferram, &target_value->bufferram);
3112 __put_user(value.totalswap, &target_value->totalswap);
3113 __put_user(value.freeswap, &target_value->freeswap);
3114 __put_user(value.procs, &target_value->procs);
3115 __put_user(value.totalhigh, &target_value->totalhigh);
3116 __put_user(value.freehigh, &target_value->freehigh);
3117 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 3118 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 3119 }
3120 }
3121 break;
31e31b8a 3122 case TARGET_NR_ipc:
8853f86e
FB		 3123 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3124 break;
31e31b8a
FB		 3125 case TARGET_NR_fsync:
3126 ret = get_errno(fsync(arg1));
3127 break;
31e31b8a 3128 case TARGET_NR_clone:
1b6b029e
FB		 3129 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3130 break;
ec86b0fb
FB		 3131#ifdef __NR_exit_group
3132 /* new thread calls */
3133 case TARGET_NR_exit_group:
e9009676 3134 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 3135 ret = get_errno(exit_group(arg1));
3136 break;
3137#endif
31e31b8a 3138 case TARGET_NR_setdomainname:
53a5960a
PB		 3139 p = lock_user_string(arg1);
3140 ret = get_errno(setdomainname(p, arg2));
3141 unlock_user(p, arg1, 0);
31e31b8a
FB		 3142 break;
3143 case TARGET_NR_uname:
3144 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 3145 {
3146 struct new_utsname * buf;
3147
53a5960a 3148 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 3149 ret = get_errno(sys_uname(buf));
3150 if (!is_error(ret)) {
3151 /* Overrite the native machine name with whatever is being
3152 emulated. */
3153 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 3154 /* Allow the user to override the reported release. */
3155 if (qemu_uname_release && *qemu_uname_release)
3156 strcpy (buf->release, qemu_uname_release);
29e619b1 3157 }
53a5960a 3158 unlock_user_struct(buf, arg1, 1);
29e619b1 3159 }
31e31b8a 3160 break;
6dbad63e 3161#ifdef TARGET_I386
31e31b8a 3162 case TARGET_NR_modify_ldt:
53a5960a 3163 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b
FB		 3164 break;
3165 case TARGET_NR_vm86old:
3166 goto unimplemented;
3167 case TARGET_NR_vm86:
53a5960a 3168 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e
FB		 3169 break;
3170#endif
31e31b8a
FB		 3171 case TARGET_NR_adjtimex:
3172 goto unimplemented;
31e31b8a
FB		 3173 case TARGET_NR_create_module:
3174 case TARGET_NR_init_module:
3175 case TARGET_NR_delete_module:
3176 case TARGET_NR_get_kernel_syms:
3177 goto unimplemented;
3178 case TARGET_NR_quotactl:
3179 goto unimplemented;
3180 case TARGET_NR_getpgid:
3181 ret = get_errno(getpgid(arg1));
3182 break;
3183 case TARGET_NR_fchdir:
3184 ret = get_errno(fchdir(arg1));
3185 break;
3186 case TARGET_NR_bdflush:
3187 goto unimplemented;
3188 case TARGET_NR_sysfs:
3189 goto unimplemented;
3190 case TARGET_NR_personality:
1b6b029e 3191 ret = get_errno(personality(arg1));
31e31b8a
FB		 3192 break;
3193 case TARGET_NR_afs_syscall:
3194 goto unimplemented;
31e31b8a
FB		 3195 case TARGET_NR__llseek:
3196 {
4f2ac237
FB		 3197#if defined (__x86_64__)
3198 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 3199 tput64(arg4, ret);
4f2ac237 3200#else
31e31b8a
FB		 3201 int64_t res;
3202 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 3203 tput64(arg4, res);
4f2ac237 3204#endif
31e31b8a
FB		 3205 }
3206 break;
3207 case TARGET_NR_getdents:
3208#if TARGET_LONG_SIZE != 4
53a5960a 3209 goto unimplemented;
a315a145 3210#warning not supported
4add45b4
FB		 3211#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3212 {
53a5960a 3213 struct target_dirent *target_dirp;
4add45b4
FB		 3214 struct dirent *dirp;
3215 long count = arg3;
3216
3217 dirp = malloc(count);
3218 if (!dirp)
3219 return -ENOMEM;
3220
3221 ret = get_errno(sys_getdents(arg1, dirp, count));
3222 if (!is_error(ret)) {
3223 struct dirent *de;
3224 struct target_dirent *tde;
3225 int len = ret;
3226 int reclen, treclen;
3227 int count1, tnamelen;
3228
3229 count1 = 0;
3230 de = dirp;
53a5960a 3231 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 3232 tde = target_dirp;
3233 while (len > 0) {
3234 reclen = de->d_reclen;
3235 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3236 tde->d_reclen = tswap16(treclen);
3237 tde->d_ino = tswapl(de->d_ino);
3238 tde->d_off = tswapl(de->d_off);
3239 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3240 if (tnamelen > 256)
3241 tnamelen = 256;
80a9d035 3242 /* XXX: may not be correct */
4add45b4
FB		 3243 strncpy(tde->d_name, de->d_name, tnamelen);
3244 de = (struct dirent *)((char *)de + reclen);
3245 len -= reclen;
3246 tde = (struct dirent *)((char *)tde + treclen);
3247 count1 += treclen;
3248 }
3249 ret = count1;
3250 }
53a5960a 3251 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 3252 free(dirp);
3253 }
3254#else
31e31b8a 3255 {
53a5960a 3256 struct dirent *dirp;
31e31b8a 3257 long count = arg3;
dab2ed99 3258
53a5960a 3259 dirp = lock_user(arg2, count, 0);
72f03900 3260 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 3261 if (!is_error(ret)) {
3262 struct dirent *de;
3263 int len = ret;
3264 int reclen;
3265 de = dirp;
3266 while (len > 0) {
8083a3e5 3267 reclen = de->d_reclen;
31e31b8a
FB		 3268 if (reclen > len)
3269 break;
8083a3e5 3270 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 3271 tswapls(&de->d_ino);
3272 tswapls(&de->d_off);
3273 de = (struct dirent *)((char *)de + reclen);
3274 len -= reclen;
3275 }
3276 }
53a5960a 3277 unlock_user(dirp, arg2, ret);
31e31b8a 3278 }
4add45b4 3279#endif
31e31b8a 3280 break;
a541f297 3281#ifdef TARGET_NR_getdents64
dab2ed99
FB		 3282 case TARGET_NR_getdents64:
3283 {
53a5960a 3284 struct dirent64 *dirp;
dab2ed99 3285 long count = arg3;
53a5960a 3286 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 3287 ret = get_errno(sys_getdents64(arg1, dirp, count));
3288 if (!is_error(ret)) {
3289 struct dirent64 *de;
3290 int len = ret;
3291 int reclen;
3292 de = dirp;
3293 while (len > 0) {
8083a3e5 3294 reclen = de->d_reclen;
dab2ed99
FB		 3295 if (reclen > len)
3296 break;
8083a3e5 3297 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 3298 tswap64s(&de->d_ino);
3299 tswap64s(&de->d_off);
3300 de = (struct dirent64 *)((char *)de + reclen);
3301 len -= reclen;
3302 }
3303 }
53a5960a 3304 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 3305 }
3306 break;
a541f297 3307#endif /* TARGET_NR_getdents64 */
31e31b8a 3308 case TARGET_NR__newselect:
53a5960a 3309 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 3310 break;
9de5e440
FB		 3311 case TARGET_NR_poll:
3312 {
53a5960a 3313 struct target_pollfd *target_pfd;
9de5e440
FB		 3314 unsigned int nfds = arg2;
3315 int timeout = arg3;
3316 struct pollfd *pfd;
7854b056 3317 unsigned int i;
9de5e440 3318
53a5960a 3319 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 3320 pfd = alloca(sizeof(struct pollfd) * nfds);
3321 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 3322 pfd[i].fd = tswap32(target_pfd[i].fd);
3323 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 3324 }
3325 ret = get_errno(poll(pfd, nfds, timeout));
3326 if (!is_error(ret)) {
3327 for(i = 0; i < nfds; i++) {
5cd4393b 3328 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 3329 }
53a5960a
PB		 3330 ret += nfds * (sizeof(struct target_pollfd)
3331 - sizeof(struct pollfd));
9de5e440 3332 }
53a5960a 3333 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 3334 }
3335 break;
31e31b8a 3336 case TARGET_NR_flock:
9de5e440
FB		 3337 /* NOTE: the flock constant seems to be the same for every
3338 Linux platform */
3339 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 3340 break;
3341 case TARGET_NR_readv:
3342 {
3343 int count = arg3;
31e31b8a 3344 struct iovec *vec;
31e31b8a
FB		 3345
3346 vec = alloca(count * sizeof(struct iovec));
53a5960a 3347 lock_iovec(vec, arg2, count, 0);
31e31b8a 3348 ret = get_errno(readv(arg1, vec, count));
53a5960a 3349 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 3350 }
3351 break;
3352 case TARGET_NR_writev:
3353 {
3354 int count = arg3;
31e31b8a 3355 struct iovec *vec;
31e31b8a
FB		 3356
3357 vec = alloca(count * sizeof(struct iovec));
53a5960a 3358 lock_iovec(vec, arg2, count, 1);
31e31b8a 3359 ret = get_errno(writev(arg1, vec, count));
53a5960a 3360 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 3361 }
3362 break;
3363 case TARGET_NR_getsid:
3364 ret = get_errno(getsid(arg1));
3365 break;
3366 case TARGET_NR_fdatasync:
5cd4393b
FB		 3367 ret = get_errno(fdatasync(arg1));
3368 break;
31e31b8a 3369 case TARGET_NR__sysctl:
29e619b1
FB		 3370 /* We don't implement this, but ENODIR is always a safe
3371 return value. */
3372 return -ENOTDIR;
31e31b8a 3373 case TARGET_NR_sched_setparam:
5cd4393b 3374 {
53a5960a 3375 struct sched_param *target_schp;
5cd4393b 3376 struct sched_param schp;
53a5960a
PB		 3377
3378 lock_user_struct(target_schp, arg2, 1);
5cd4393b 3379 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3380 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 3381 ret = get_errno(sched_setparam(arg1, &schp));
3382 }
3383 break;
31e31b8a 3384 case TARGET_NR_sched_getparam:
5cd4393b 3385 {
53a5960a 3386 struct sched_param *target_schp;
5cd4393b
FB		 3387 struct sched_param schp;
3388 ret = get_errno(sched_getparam(arg1, &schp));
3389 if (!is_error(ret)) {
53a5960a 3390 lock_user_struct(target_schp, arg2, 0);
5cd4393b 3391 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 3392 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 3393 }
3394 }
3395 break;
31e31b8a 3396 case TARGET_NR_sched_setscheduler:
5cd4393b 3397 {
53a5960a 3398 struct sched_param *target_schp;
5cd4393b 3399 struct sched_param schp;
53a5960a 3400 lock_user_struct(target_schp, arg3, 1);
5cd4393b 3401 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3402 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 3403 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3404 }
3405 break;
31e31b8a 3406 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 3407 ret = get_errno(sched_getscheduler(arg1));
3408 break;
31e31b8a
FB		 3409 case TARGET_NR_sched_yield:
3410 ret = get_errno(sched_yield());
3411 break;
3412 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 3413 ret = get_errno(sched_get_priority_max(arg1));
3414 break;
31e31b8a 3415 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 3416 ret = get_errno(sched_get_priority_min(arg1));
3417 break;
31e31b8a 3418 case TARGET_NR_sched_rr_get_interval:
5cd4393b 3419 {
5cd4393b
FB		 3420 struct timespec ts;
3421 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3422 if (!is_error(ret)) {
53a5960a 3423 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 3424 }
3425 }
3426 break;
31e31b8a 3427 case TARGET_NR_nanosleep:
1b6b029e 3428 {
1b6b029e 3429 struct timespec req, rem;
53a5960a 3430 target_to_host_timespec(&req, arg1);
1b6b029e 3431 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 3432 if (is_error(ret) && arg2) {
3433 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 3434 }
3435 }
3436 break;
31e31b8a 3437 case TARGET_NR_query_module:
5cd4393b 3438 goto unimplemented;
31e31b8a 3439 case TARGET_NR_nfsservctl:
5cd4393b 3440 goto unimplemented;
31e31b8a 3441 case TARGET_NR_prctl:
e5574487
TS		 3442 switch (arg1)
3443 {
3444 case PR_GET_PDEATHSIG:
3445 {
3446 int deathsig;
3447 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3448 if (!is_error(ret) && arg2)
3449 tput32(arg2, deathsig);
3450 }
3451 break;
3452 default:
3453 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
3454 break;
3455 }
39b9aae1 3456 break;
67867308 3457#ifdef TARGET_NR_pread
31e31b8a 3458 case TARGET_NR_pread:
53a5960a
PB		 3459 page_unprotect_range(arg2, arg3);
3460 p = lock_user(arg2, arg3, 0);
3461 ret = get_errno(pread(arg1, p, arg3, arg4));
3462 unlock_user(p, arg2, ret);
206f0fa7 3463 break;
31e31b8a 3464 case TARGET_NR_pwrite:
53a5960a
PB		 3465 p = lock_user(arg2, arg3, 1);
3466 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3467 unlock_user(p, arg2, 0);
206f0fa7 3468 break;
67867308 3469#endif
31e31b8a 3470 case TARGET_NR_getcwd:
53a5960a
PB		 3471 p = lock_user(arg1, arg2, 0);
3472 ret = get_errno(sys_getcwd1(p, arg2));
3473 unlock_user(p, arg1, ret);
31e31b8a
FB		 3474 break;
3475 case TARGET_NR_capget:
5cd4393b 3476 goto unimplemented;
31e31b8a 3477 case TARGET_NR_capset:
5cd4393b 3478 goto unimplemented;
31e31b8a 3479 case TARGET_NR_sigaltstack:
5cd4393b 3480 goto unimplemented;
31e31b8a 3481 case TARGET_NR_sendfile:
5cd4393b 3482 goto unimplemented;
ebc05488 3483#ifdef TARGET_NR_getpmsg
31e31b8a 3484 case TARGET_NR_getpmsg:
5cd4393b 3485 goto unimplemented;
ebc05488
FB		 3486#endif
3487#ifdef TARGET_NR_putpmsg
31e31b8a 3488 case TARGET_NR_putpmsg:
5cd4393b 3489 goto unimplemented;
ebc05488 3490#endif
048f6b4d 3491#ifdef TARGET_NR_vfork
31e31b8a 3492 case TARGET_NR_vfork:
1b6b029e 3493 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 3494 break;
048f6b4d 3495#endif
ebc05488 3496#ifdef TARGET_NR_ugetrlimit
31e31b8a 3497 case TARGET_NR_ugetrlimit:
728584be
FB		 3498 {
3499 struct rlimit rlim;
3500 ret = get_errno(getrlimit(arg1, &rlim));
3501 if (!is_error(ret)) {
53a5960a
PB		 3502 struct target_rlimit *target_rlim;
3503 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 3504 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3505 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 3506 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 3507 }
3508 break;
3509 }
ebc05488 3510#endif
a315a145 3511#ifdef TARGET_NR_truncate64
31e31b8a 3512 case TARGET_NR_truncate64:
53a5960a
PB		 3513 p = lock_user_string(arg1);
3514 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3515 unlock_user(p, arg1, 0);
667f38b1 3516 break;
a315a145
FB		 3517#endif
3518#ifdef TARGET_NR_ftruncate64
31e31b8a 3519 case TARGET_NR_ftruncate64:
ce4defa0 3520 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 3521 break;
a315a145
FB		 3522#endif
3523#ifdef TARGET_NR_stat64
31e31b8a 3524 case TARGET_NR_stat64:
53a5960a
PB		 3525 p = lock_user_string(arg1);
3526 ret = get_errno(stat(path(p), &st));
3527 unlock_user(p, arg1, 0);
60cd49d5 3528 goto do_stat64;
a315a145
FB		 3529#endif
3530#ifdef TARGET_NR_lstat64
31e31b8a 3531 case TARGET_NR_lstat64:
53a5960a
PB		 3532 p = lock_user_string(arg1);
3533 ret = get_errno(lstat(path(p), &st));
3534 unlock_user(p, arg1, 0);
60cd49d5 3535 goto do_stat64;
a315a145
FB		 3536#endif
3537#ifdef TARGET_NR_fstat64
31e31b8a 3538 case TARGET_NR_fstat64:
60cd49d5
FB		 3539 {
3540 ret = get_errno(fstat(arg1, &st));
3541 do_stat64:
3542 if (!is_error(ret)) {
ce4defa0
PB		 3543#ifdef TARGET_ARM
3544 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 3545 struct target_eabi_stat64 *target_st;
3546 lock_user_struct(target_st, arg2, 1);
ce4defa0 3547 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 3548 /* put_user is probably wrong. */
ce4defa0
PB		 3549 put_user(st.st_dev, &target_st->st_dev);
3550 put_user(st.st_ino, &target_st->st_ino);
3551#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3552 put_user(st.st_ino, &target_st->__st_ino);
3553#endif
3554 put_user(st.st_mode, &target_st->st_mode);
3555 put_user(st.st_nlink, &target_st->st_nlink);
3556 put_user(st.st_uid, &target_st->st_uid);
3557 put_user(st.st_gid, &target_st->st_gid);
3558 put_user(st.st_rdev, &target_st->st_rdev);
3559 /* XXX: better use of kernel struct */
3560 put_user(st.st_size, &target_st->st_size);
3561 put_user(st.st_blksize, &target_st->st_blksize);
3562 put_user(st.st_blocks, &target_st->st_blocks);
3563 put_user(st.st_atime, &target_st->target_st_atime);
3564 put_user(st.st_mtime, &target_st->target_st_mtime);
3565 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3566 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 3567 } else
3568#endif
3569 {
53a5960a
PB		 3570 struct target_stat64 *target_st;
3571 lock_user_struct(target_st, arg2, 1);
ce4defa0 3572 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 3573 /* ??? put_user is probably wrong. */
ce4defa0
PB		 3574 put_user(st.st_dev, &target_st->st_dev);
3575 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 3576#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 3577 put_user(st.st_ino, &target_st->__st_ino);
3578#endif
3579 put_user(st.st_mode, &target_st->st_mode);
3580 put_user(st.st_nlink, &target_st->st_nlink);
3581 put_user(st.st_uid, &target_st->st_uid);
3582 put_user(st.st_gid, &target_st->st_gid);
3583 put_user(st.st_rdev, &target_st->st_rdev);
3584 /* XXX: better use of kernel struct */
3585 put_user(st.st_size, &target_st->st_size);
3586 put_user(st.st_blksize, &target_st->st_blksize);
3587 put_user(st.st_blocks, &target_st->st_blocks);
3588 put_user(st.st_atime, &target_st->target_st_atime);
3589 put_user(st.st_mtime, &target_st->target_st_mtime);
3590 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3591 unlock_user_struct(target_st, arg2, 0);
ce4defa0 3592 }
60cd49d5
FB		 3593 }
3594 }
3595 break;
a315a145 3596#endif
67867308
FB		 3597#ifdef USE_UID16
3598 case TARGET_NR_lchown:
53a5960a
PB		 3599 p = lock_user_string(arg1);
3600 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3601 unlock_user(p, arg1, 0);
67867308
FB		 3602 break;
3603 case TARGET_NR_getuid:
3604 ret = get_errno(high2lowuid(getuid()));
3605 break;
3606 case TARGET_NR_getgid:
3607 ret = get_errno(high2lowgid(getgid()));
3608 break;
3609 case TARGET_NR_geteuid:
3610 ret = get_errno(high2lowuid(geteuid()));
3611 break;
3612 case TARGET_NR_getegid:
3613 ret = get_errno(high2lowgid(getegid()));
3614 break;
3615 case TARGET_NR_setreuid:
3616 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3617 break;
3618 case TARGET_NR_setregid:
3619 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3620 break;
3621 case TARGET_NR_getgroups:
3622 {
3623 int gidsetsize = arg1;
53a5960a 3624 uint16_t *target_grouplist;
67867308
FB		 3625 gid_t *grouplist;
3626 int i;
3627
3628 grouplist = alloca(gidsetsize * sizeof(gid_t));
3629 ret = get_errno(getgroups(gidsetsize, grouplist));
3630 if (!is_error(ret)) {
53a5960a 3631 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 3632 for(i = 0;i < gidsetsize; i++)
3633 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 3634 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 3635 }
3636 }
3637 break;
3638 case TARGET_NR_setgroups:
3639 {
3640 int gidsetsize = arg1;
53a5960a 3641 uint16_t *target_grouplist;
67867308
FB		 3642 gid_t *grouplist;
3643 int i;
3644
3645 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3646 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 3647 for(i = 0;i < gidsetsize; i++)
3648 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 3649 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 3650 ret = get_errno(setgroups(gidsetsize, grouplist));
3651 }
3652 break;
3653 case TARGET_NR_fchown:
3654 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3655 break;
3656#ifdef TARGET_NR_setresuid
3657 case TARGET_NR_setresuid:
3658 ret = get_errno(setresuid(low2highuid(arg1),
3659 low2highuid(arg2),
3660 low2highuid(arg3)));
3661 break;
3662#endif
3663#ifdef TARGET_NR_getresuid
3664 case TARGET_NR_getresuid:
3665 {
53a5960a 3666 uid_t ruid, euid, suid;
67867308
FB		 3667 ret = get_errno(getresuid(&ruid, &euid, &suid));
3668 if (!is_error(ret)) {
53a5960a
PB		 3669 tput16(arg1, tswap16(high2lowuid(ruid)));
3670 tput16(arg2, tswap16(high2lowuid(euid)));
3671 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 3672 }
3673 }
3674 break;
3675#endif
3676#ifdef TARGET_NR_getresgid
3677 case TARGET_NR_setresgid:
3678 ret = get_errno(setresgid(low2highgid(arg1),
3679 low2highgid(arg2),
3680 low2highgid(arg3)));
3681 break;
3682#endif
3683#ifdef TARGET_NR_getresgid
3684 case TARGET_NR_getresgid:
3685 {
53a5960a 3686 gid_t rgid, egid, sgid;
67867308
FB		 3687 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3688 if (!is_error(ret)) {
53a5960a
PB		 3689 tput16(arg1, tswap16(high2lowgid(rgid)));
3690 tput16(arg2, tswap16(high2lowgid(egid)));
3691 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 3692 }
3693 }
3694 break;
3695#endif
3696 case TARGET_NR_chown:
53a5960a
PB		 3697 p = lock_user_string(arg1);
3698 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3699 unlock_user(p, arg1, 0);
67867308
FB		 3700 break;
3701 case TARGET_NR_setuid:
3702 ret = get_errno(setuid(low2highuid(arg1)));
3703 break;
3704 case TARGET_NR_setgid:
3705 ret = get_errno(setgid(low2highgid(arg1)));
3706 break;
3707 case TARGET_NR_setfsuid:
3708 ret = get_errno(setfsuid(arg1));
3709 break;
3710 case TARGET_NR_setfsgid:
3711 ret = get_errno(setfsgid(arg1));
3712 break;
3713#endif /* USE_UID16 */
3714
a315a145 3715#ifdef TARGET_NR_lchown32
31e31b8a 3716 case TARGET_NR_lchown32:
53a5960a
PB		 3717 p = lock_user_string(arg1);
3718 ret = get_errno(lchown(p, arg2, arg3));
3719 unlock_user(p, arg1, 0);
b03c60f3 3720 break;
a315a145
FB		 3721#endif
3722#ifdef TARGET_NR_getuid32
31e31b8a 3723 case TARGET_NR_getuid32:
b03c60f3
FB		 3724 ret = get_errno(getuid());
3725 break;
a315a145
FB		 3726#endif
3727#ifdef TARGET_NR_getgid32
31e31b8a 3728 case TARGET_NR_getgid32:
b03c60f3
FB		 3729 ret = get_errno(getgid());
3730 break;
a315a145
FB		 3731#endif
3732#ifdef TARGET_NR_geteuid32
31e31b8a 3733 case TARGET_NR_geteuid32:
b03c60f3
FB		 3734 ret = get_errno(geteuid());
3735 break;
a315a145
FB		 3736#endif
3737#ifdef TARGET_NR_getegid32
31e31b8a 3738 case TARGET_NR_getegid32:
b03c60f3
FB		 3739 ret = get_errno(getegid());
3740 break;
a315a145
FB		 3741#endif
3742#ifdef TARGET_NR_setreuid32
31e31b8a 3743 case TARGET_NR_setreuid32:
b03c60f3
FB		 3744 ret = get_errno(setreuid(arg1, arg2));
3745 break;
a315a145
FB		 3746#endif
3747#ifdef TARGET_NR_setregid32
31e31b8a 3748 case TARGET_NR_setregid32:
b03c60f3
FB		 3749 ret = get_errno(setregid(arg1, arg2));
3750 break;
a315a145
FB		 3751#endif
3752#ifdef TARGET_NR_getgroups32
31e31b8a 3753 case TARGET_NR_getgroups32:
99c475ab
FB		 3754 {
3755 int gidsetsize = arg1;
53a5960a 3756 uint32_t *target_grouplist;
99c475ab
FB		 3757 gid_t *grouplist;
3758 int i;
3759
3760 grouplist = alloca(gidsetsize * sizeof(gid_t));
3761 ret = get_errno(getgroups(gidsetsize, grouplist));
3762 if (!is_error(ret)) {
53a5960a 3763 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 3764 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3765 target_grouplist[i] = tswap32(grouplist[i]);
3766 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 3767 }
3768 }
3769 break;
a315a145
FB		 3770#endif
3771#ifdef TARGET_NR_setgroups32
31e31b8a 3772 case TARGET_NR_setgroups32:
99c475ab
FB		 3773 {
3774 int gidsetsize = arg1;
53a5960a 3775 uint32_t *target_grouplist;
99c475ab
FB		 3776 gid_t *grouplist;
3777 int i;
3778
3779 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3780 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 3781 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3782 grouplist[i] = tswap32(target_grouplist[i]);
3783 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 3784 ret = get_errno(setgroups(gidsetsize, grouplist));
3785 }
3786 break;
a315a145
FB		 3787#endif
3788#ifdef TARGET_NR_fchown32
31e31b8a 3789 case TARGET_NR_fchown32:
b03c60f3
FB		 3790 ret = get_errno(fchown(arg1, arg2, arg3));
3791 break;
a315a145
FB		 3792#endif
3793#ifdef TARGET_NR_setresuid32
31e31b8a 3794 case TARGET_NR_setresuid32:
b03c60f3
FB		 3795 ret = get_errno(setresuid(arg1, arg2, arg3));
3796 break;
a315a145
FB		 3797#endif
3798#ifdef TARGET_NR_getresuid32
31e31b8a 3799 case TARGET_NR_getresuid32:
b03c60f3 3800 {
53a5960a 3801 uid_t ruid, euid, suid;
b03c60f3
FB		 3802 ret = get_errno(getresuid(&ruid, &euid, &suid));
3803 if (!is_error(ret)) {
53a5960a
PB		 3804 tput32(arg1, tswap32(ruid));
3805 tput32(arg2, tswap32(euid));
3806 tput32(arg3, tswap32(suid));
b03c60f3
FB		 3807 }
3808 }
3809 break;
a315a145
FB		 3810#endif
3811#ifdef TARGET_NR_setresgid32
31e31b8a 3812 case TARGET_NR_setresgid32:
b03c60f3
FB		 3813 ret = get_errno(setresgid(arg1, arg2, arg3));
3814 break;
a315a145
FB		 3815#endif
3816#ifdef TARGET_NR_getresgid32
31e31b8a 3817 case TARGET_NR_getresgid32:
b03c60f3 3818 {
53a5960a 3819 gid_t rgid, egid, sgid;
b03c60f3
FB		 3820 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3821 if (!is_error(ret)) {
53a5960a
PB		 3822 tput32(arg1, tswap32(rgid));
3823 tput32(arg2, tswap32(egid));
3824 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 3825 }
3826 }
3827 break;
a315a145
FB		 3828#endif
3829#ifdef TARGET_NR_chown32
31e31b8a 3830 case TARGET_NR_chown32:
53a5960a
PB		 3831 p = lock_user_string(arg1);
3832 ret = get_errno(chown(p, arg2, arg3));
3833 unlock_user(p, arg1, 0);
b03c60f3 3834 break;
a315a145
FB		 3835#endif
3836#ifdef TARGET_NR_setuid32
31e31b8a 3837 case TARGET_NR_setuid32:
b03c60f3
FB		 3838 ret = get_errno(setuid(arg1));
3839 break;
a315a145
FB		 3840#endif
3841#ifdef TARGET_NR_setgid32
31e31b8a 3842 case TARGET_NR_setgid32:
b03c60f3
FB		 3843 ret = get_errno(setgid(arg1));
3844 break;
a315a145
FB		 3845#endif
3846#ifdef TARGET_NR_setfsuid32
31e31b8a 3847 case TARGET_NR_setfsuid32:
b03c60f3
FB		 3848 ret = get_errno(setfsuid(arg1));
3849 break;
a315a145
FB		 3850#endif
3851#ifdef TARGET_NR_setfsgid32
31e31b8a 3852 case TARGET_NR_setfsgid32:
b03c60f3
FB		 3853 ret = get_errno(setfsgid(arg1));
3854 break;
a315a145 3855#endif
67867308 3856
31e31b8a 3857 case TARGET_NR_pivot_root:
b03c60f3 3858 goto unimplemented;
ffa65c3b 3859#ifdef TARGET_NR_mincore
31e31b8a 3860 case TARGET_NR_mincore:
b03c60f3 3861 goto unimplemented;
ffa65c3b
FB		 3862#endif
3863#ifdef TARGET_NR_madvise
31e31b8a 3864 case TARGET_NR_madvise:
24836689
PB		 3865 /* A straight passthrough may not be safe because qemu sometimes
3866 turns private flie-backed mappings into anonymous mappings.
3867 This will break MADV_DONTNEED.
3868 This is a hint, so ignoring and returning success is ok. */
3869 ret = get_errno(0);
3870 break;
ffa65c3b 3871#endif
60cd49d5 3872#if TARGET_LONG_BITS == 32
31e31b8a 3873 case TARGET_NR_fcntl64:
77e4672d
FB		 3874 {
3875 struct flock64 fl;
53a5960a 3876 struct target_flock64 *target_fl;
ce4defa0 3877#ifdef TARGET_ARM
53a5960a 3878 struct target_eabi_flock64 *target_efl;
ce4defa0 3879#endif
77e4672d 3880
60cd49d5
FB		 3881 switch(arg2) {
3882 case F_GETLK64:
77e4672d
FB		 3883 ret = get_errno(fcntl(arg1, arg2, &fl));
3884 if (ret == 0) {
ce4defa0
PB		 3885#ifdef TARGET_ARM
3886 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 3887 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 3888 target_efl->l_type = tswap16(fl.l_type);
3889 target_efl->l_whence = tswap16(fl.l_whence);
3890 target_efl->l_start = tswap64(fl.l_start);
3891 target_efl->l_len = tswap64(fl.l_len);
3892 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 3893 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 3894 } else
3895#endif
3896 {
53a5960a 3897 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 3898 target_fl->l_type = tswap16(fl.l_type);
3899 target_fl->l_whence = tswap16(fl.l_whence);
3900 target_fl->l_start = tswap64(fl.l_start);
3901 target_fl->l_len = tswap64(fl.l_len);
3902 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 3903 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 3904 }
77e4672d
FB		 3905 }
3906 break;
3907
60cd49d5
FB		 3908 case F_SETLK64:
3909 case F_SETLKW64:
ce4defa0
PB		 3910#ifdef TARGET_ARM
3911 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 3912 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 3913 fl.l_type = tswap16(target_efl->l_type);
3914 fl.l_whence = tswap16(target_efl->l_whence);
3915 fl.l_start = tswap64(target_efl->l_start);
3916 fl.l_len = tswap64(target_efl->l_len);
3917 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 3918 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 3919 } else
3920#endif
3921 {
53a5960a 3922 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 3923 fl.l_type = tswap16(target_fl->l_type);
3924 fl.l_whence = tswap16(target_fl->l_whence);
3925 fl.l_start = tswap64(target_fl->l_start);
3926 fl.l_len = tswap64(target_fl->l_len);
3927 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 3928 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 3929 }
77e4672d
FB		 3930 ret = get_errno(fcntl(arg1, arg2, &fl));
3931 break;
60cd49d5 3932 default:
7775e9ec 3933 ret = get_errno(do_fcntl(arg1, arg2, arg3));
60cd49d5
FB		 3934 break;
3935 }
77e4672d
FB		 3936 break;
3937 }
60cd49d5 3938#endif
7d600c80
TS		 3939#ifdef TARGET_NR_cacheflush
3940 case TARGET_NR_cacheflush:
3941 /* self-modifying code is handled automatically, so nothing needed */
3942 ret = 0;
3943 break;
3944#endif
ebc05488 3945#ifdef TARGET_NR_security
31e31b8a
FB		 3946 case TARGET_NR_security:
3947 goto unimplemented;
c573ff67
FB		 3948#endif
3949#ifdef TARGET_NR_getpagesize
3950 case TARGET_NR_getpagesize:
3951 ret = TARGET_PAGE_SIZE;
3952 break;
ebc05488 3953#endif
31e31b8a
FB		 3954 case TARGET_NR_gettid:
3955 ret = get_errno(gettid());
3956 break;
3957 case TARGET_NR_readahead:
5cd4393b 3958 goto unimplemented;
ebc05488 3959#ifdef TARGET_NR_setxattr
31e31b8a
FB		 3960 case TARGET_NR_setxattr:
3961 case TARGET_NR_lsetxattr:
3962 case TARGET_NR_fsetxattr:
3963 case TARGET_NR_getxattr:
3964 case TARGET_NR_lgetxattr:
3965 case TARGET_NR_fgetxattr:
3966 case TARGET_NR_listxattr:
3967 case TARGET_NR_llistxattr:
3968 case TARGET_NR_flistxattr:
3969 case TARGET_NR_removexattr:
3970 case TARGET_NR_lremovexattr:
3971 case TARGET_NR_fremovexattr:
5cd4393b 3972 goto unimplemented_nowarn;
ebc05488
FB		 3973#endif
3974#ifdef TARGET_NR_set_thread_area
5cd4393b 3975 case TARGET_NR_set_thread_area:
6f5b89a0
TS		 3976#ifdef TARGET_MIPS
3977 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
3978 ret = 0;
3979 break;
3980#else
3981 goto unimplemented_nowarn;
3982#endif
3983#endif
3984#ifdef TARGET_NR_get_thread_area
5cd4393b
FB		 3985 case TARGET_NR_get_thread_area:
3986 goto unimplemented_nowarn;
48dc41eb
FB		 3987#endif
3988#ifdef TARGET_NR_getdomainname
3989 case TARGET_NR_getdomainname:
3990 goto unimplemented_nowarn;
ebc05488 3991#endif
6f5b89a0
TS		 3992
3993#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
3994 case TARGET_NR_set_tid_address:
3995 ret = get_errno(set_tid_address((int *) arg1));
3996 break;
3997#endif
3998
31e31b8a
FB		 3999 default:
4000 unimplemented:
5cd4393b 4001 gemu_log("qemu: Unsupported syscall: %d\n", num);
6f5b89a0 4002#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname)
5cd4393b 4003 unimplemented_nowarn:
80a9d035 4004#endif
31e31b8a
FB		 4005 ret = -ENOSYS;
4006 break;
4007 }
4008 fail:
c573ff67
FB		 4009#ifdef DEBUG
4010 gemu_log(" = %ld\n", ret);
4011#endif
31e31b8a
FB		 4012 return ret;
4013}
4014
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