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Solaris needs -lrt, spotted by Ben Taylor.
[mirror_qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
31e31b8a
FB		 30#include <sys/types.h>
31#include <sys/wait.h>
32#include <sys/time.h>
33#include <sys/stat.h>
34#include <sys/mount.h>
39b9aae1 35#include <sys/prctl.h>
31e31b8a
FB		 36#include <sys/resource.h>
37#include <sys/mman.h>
38#include <sys/swap.h>
39#include <signal.h>
40#include <sched.h>
41#include <sys/socket.h>
42#include <sys/uio.h>
9de5e440 43#include <sys/poll.h>
32f36bce 44#include <sys/times.h>
8853f86e 45#include <sys/shm.h>
fa294816 46#include <sys/sem.h>
56c8f68f 47#include <sys/statfs.h>
ebc05488 48#include <utime.h>
a5448a7d 49#include <sys/sysinfo.h>
72f03900 50//#include <sys/user.h>
8853f86e 51#include <netinet/ip.h>
7854b056 52#include <netinet/tcp.h>
31e31b8a
FB		 53
54#define termios host_termios
55#define winsize host_winsize
56#define termio host_termio
04369ff2
FB		 57#define sgttyb host_sgttyb /* same as target */
58#define tchars host_tchars /* same as target */
59#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 60
61#include <linux/termios.h>
62#include <linux/unistd.h>
63#include <linux/utsname.h>
64#include <linux/cdrom.h>
65#include <linux/hdreg.h>
66#include <linux/soundcard.h>
dab2ed99 67#include <linux/dirent.h>
19b84f3c 68#include <linux/kd.h>
31e31b8a 69
3ef693a0 70#include "qemu.h"
31e31b8a 71
72f03900 72//#define DEBUG
31e31b8a 73
e6e5906b
PB		 74#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
75 || defined(TARGET_M68K)
67867308
FB		 76/* 16 bit uid wrappers emulation */
77#define USE_UID16
78#endif
79
1a9353d2
FB		 80//#include <linux/msdos_fs.h>
81#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
82#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
83
70a194b9 84
70a194b9
FB		 85#undef _syscall0
86#undef _syscall1
87#undef _syscall2
88#undef _syscall3
89#undef _syscall4
90#undef _syscall5
83fcb515 91#undef _syscall6
70a194b9 92
83fcb515
FB		 93#define _syscall0(type,name) \
94type name (void) \
95{ \
96 return syscall(__NR_##name); \
97}
70a194b9 98
83fcb515
FB		 99#define _syscall1(type,name,type1,arg1) \
100type name (type1 arg1) \
101{ \
102 return syscall(__NR_##name, arg1); \
70a194b9
FB		 103}
104
83fcb515
FB		 105#define _syscall2(type,name,type1,arg1,type2,arg2) \
106type name (type1 arg1,type2 arg2) \
107{ \
108 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 109}
110
83fcb515
FB		 111#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
112type name (type1 arg1,type2 arg2,type3 arg3) \
113{ \
114 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 115}
116
83fcb515
FB		 117#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
118type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
119{ \
120 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 121}
122
83fcb515
FB		 123#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
124 type5,arg5) \
125type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
126{ \
127 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 128}
129
83fcb515
FB		 130
131#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
132 type5,arg5,type6,arg6) \
133type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
134{ \
135 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 136}
83fcb515 137
70a194b9 138
31e31b8a 139#define __NR_sys_uname __NR_uname
72f03900 140#define __NR_sys_getcwd1 __NR_getcwd
72f03900 141#define __NR_sys_getdents __NR_getdents
dab2ed99 142#define __NR_sys_getdents64 __NR_getdents64
66fb9763 143#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
7494b0f9 144#define __NR_sys_syslog __NR_syslog
31e31b8a 145
bc51c5c9 146#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 147#define __NR__llseek __NR_lseek
148#endif
149
72f03900 150#ifdef __NR_gettid
31e31b8a 151_syscall0(int, gettid)
72f03900
FB		 152#else
153static int gettid(void) {
154 return -ENOSYS;
155}
156#endif
31e31b8a 157_syscall1(int,sys_uname,struct new_utsname *,buf)
72f03900
FB		 158_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
159_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
dab2ed99 160_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
31e31b8a
FB		 161_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
162 loff_t *, res, uint, wh);
66fb9763 163_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
7494b0f9 164_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
ec86b0fb
FB		 165#ifdef __NR_exit_group
166_syscall1(int,exit_group,int,error_code)
167#endif
6f5b89a0
TS		 168#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
169_syscall1(int,set_tid_address,int *,tidptr)
170#endif
66fb9763
FB		 171
172extern int personality(int);
9de5e440
FB		 173extern int flock(int, int);
174extern int setfsuid(int);
175extern int setfsgid(int);
5cd4393b
FB		 176extern int setresuid(uid_t, uid_t, uid_t);
177extern int getresuid(uid_t *, uid_t *, uid_t *);
178extern int setresgid(gid_t, gid_t, gid_t);
179extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 180extern int setgroups(int, gid_t *);
31e31b8a
FB		 181
182static inline long get_errno(long ret)
183{
184 if (ret == -1)
185 return -errno;
186 else
187 return ret;
188}
189
190static inline int is_error(long ret)
191{
192 return (unsigned long)ret >= (unsigned long)(-4096);
193}
194
53a5960a
PB		 195static target_ulong target_brk;
196static target_ulong target_original_brk;
31e31b8a 197
53a5960a 198void target_set_brk(target_ulong new_brk)
31e31b8a 199{
53a5960a 200 target_original_brk = target_brk = new_brk;
31e31b8a
FB		 201}
202
53a5960a 203long do_brk(target_ulong new_brk)
31e31b8a 204{
53a5960a 205 target_ulong brk_page;
31e31b8a
FB		 206 long mapped_addr;
207 int new_alloc_size;
208
209 if (!new_brk)
53a5960a 210 return target_brk;
31e31b8a
FB		 211 if (new_brk < target_original_brk)
212 return -ENOMEM;
213
53a5960a 214 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 215
216 /* If the new brk is less than this, set it and we're done... */
217 if (new_brk < brk_page) {
218 target_brk = new_brk;
53a5960a 219 return target_brk;
31e31b8a
FB		 220 }
221
222 /* We need to allocate more memory after the brk... */
54936004 223 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
53a5960a 224 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 225 PROT_READ|PROT_WRITE,
226 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
31e31b8a
FB		 227 if (is_error(mapped_addr)) {
228 return mapped_addr;
229 } else {
230 target_brk = new_brk;
53a5960a 231 return target_brk;
31e31b8a
FB		 232 }
233}
234
235static inline fd_set *target_to_host_fds(fd_set *fds,
236 target_long *target_fds, int n)
237{
7854b056 238#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 239 return (fd_set *)target_fds;
240#else
241 int i, b;
242 if (target_fds) {
243 FD_ZERO(fds);
244 for(i = 0;i < n; i++) {
245 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
246 (i & (TARGET_LONG_BITS - 1))) & 1;
247 if (b)
248 FD_SET(i, fds);
249 }
250 return fds;
251 } else {
252 return NULL;
253 }
254#endif
255}
256
257static inline void host_to_target_fds(target_long *target_fds,
258 fd_set *fds, int n)
259{
7854b056 260#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 261 /* nothing to do */
262#else
263 int i, nw, j, k;
264 target_long v;
265
266 if (target_fds) {
8853f86e 267 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
31e31b8a
FB		 268 k = 0;
269 for(i = 0;i < nw; i++) {
270 v = 0;
271 for(j = 0; j < TARGET_LONG_BITS; j++) {
272 v |= ((FD_ISSET(k, fds) != 0) << j);
273 k++;
274 }
275 target_fds[i] = tswapl(v);
276 }
277 }
278#endif
279}
280
c596ed17
FB		 281#if defined(__alpha__)
282#define HOST_HZ 1024
283#else
284#define HOST_HZ 100
285#endif
286
287static inline long host_to_target_clock_t(long ticks)
288{
289#if HOST_HZ == TARGET_HZ
290 return ticks;
291#else
292 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
293#endif
294}
295
53a5960a 296static inline void host_to_target_rusage(target_ulong target_addr,
b409186b
FB		 297 const struct rusage *rusage)
298{
53a5960a
PB		 299 struct target_rusage *target_rusage;
300
301 lock_user_struct(target_rusage, target_addr, 0);
b409186b
FB		 302 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
303 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
304 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
305 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
306 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
307 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
308 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
309 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
310 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
311 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
312 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
313 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
314 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
315 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
316 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
317 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
318 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
319 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 320 unlock_user_struct(target_rusage, target_addr, 1);
b409186b
FB		 321}
322
53a5960a
PB		 323static inline void target_to_host_timeval(struct timeval *tv,
324 target_ulong target_addr)
31e31b8a 325{
53a5960a
PB		 326 struct target_timeval *target_tv;
327
328 lock_user_struct(target_tv, target_addr, 1);
66fb9763
FB		 329 tv->tv_sec = tswapl(target_tv->tv_sec);
330 tv->tv_usec = tswapl(target_tv->tv_usec);
53a5960a 331 unlock_user_struct(target_tv, target_addr, 0);
31e31b8a
FB		 332}
333
53a5960a 334static inline void host_to_target_timeval(target_ulong target_addr,
5cd4393b 335 const struct timeval *tv)
31e31b8a 336{
53a5960a
PB		 337 struct target_timeval *target_tv;
338
339 lock_user_struct(target_tv, target_addr, 0);
66fb9763
FB		 340 target_tv->tv_sec = tswapl(tv->tv_sec);
341 target_tv->tv_usec = tswapl(tv->tv_usec);
53a5960a 342 unlock_user_struct(target_tv, target_addr, 1);
31e31b8a
FB		 343}
344
345
346static long do_select(long n,
53a5960a
PB		 347 target_ulong rfd_p, target_ulong wfd_p,
348 target_ulong efd_p, target_ulong target_tv)
31e31b8a
FB		 349{
350 fd_set rfds, wfds, efds;
351 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
53a5960a 352 target_long *target_rfds, *target_wfds, *target_efds;
31e31b8a
FB		 353 struct timeval tv, *tv_ptr;
354 long ret;
53a5960a 355 int ok;
31e31b8a 356
53a5960a
PB		 357 if (rfd_p) {
358 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
359 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
360 } else {
361 target_rfds = NULL;
362 rfds_ptr = NULL;
363 }
364 if (wfd_p) {
365 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
366 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
367 } else {
368 target_wfds = NULL;
369 wfds_ptr = NULL;
370 }
371 if (efd_p) {
372 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
373 efds_ptr = target_to_host_fds(&efds, target_efds, n);
374 } else {
375 target_efds = NULL;
376 efds_ptr = NULL;
377 }
31e31b8a
FB		 378
379 if (target_tv) {
5cd4393b 380 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 381 tv_ptr = &tv;
382 } else {
383 tv_ptr = NULL;
384 }
385 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a
PB		 386 ok = !is_error(ret);
387
388 if (ok) {
31e31b8a
FB		 389 host_to_target_fds(target_rfds, rfds_ptr, n);
390 host_to_target_fds(target_wfds, wfds_ptr, n);
391 host_to_target_fds(target_efds, efds_ptr, n);
392
393 if (target_tv) {
5cd4393b 394 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 395 }
396 }
53a5960a
PB		 397 if (target_rfds)
398 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
399 if (target_wfds)
400 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
401 if (target_efds)
402 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
403
31e31b8a
FB		 404 return ret;
405}
406
7854b056 407static inline void target_to_host_sockaddr(struct sockaddr *addr,
53a5960a 408 target_ulong target_addr,
7854b056
FB		 409 socklen_t len)
410{
53a5960a
PB		 411 struct target_sockaddr *target_saddr;
412
413 target_saddr = lock_user(target_addr, len, 1);
414 memcpy(addr, target_saddr, len);
415 addr->sa_family = tswap16(target_saddr->sa_family);
416 unlock_user(target_saddr, target_addr, 0);
7854b056
FB		 417}
418
53a5960a 419static inline void host_to_target_sockaddr(target_ulong target_addr,
7854b056
FB		 420 struct sockaddr *addr,
421 socklen_t len)
422{
53a5960a
PB		 423 struct target_sockaddr *target_saddr;
424
425 target_saddr = lock_user(target_addr, len, 0);
426 memcpy(target_saddr, addr, len);
427 target_saddr->sa_family = tswap16(addr->sa_family);
428 unlock_user(target_saddr, target_addr, len);
7854b056
FB		 429}
430
53a5960a 431/* ??? Should this also swap msgh->name? */
7854b056
FB		 432static inline void target_to_host_cmsg(struct msghdr *msgh,
433 struct target_msghdr *target_msgh)
434{
435 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
436 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
437 socklen_t space = 0;
438
439 while (cmsg && target_cmsg) {
440 void *data = CMSG_DATA(cmsg);
441 void *target_data = TARGET_CMSG_DATA(target_cmsg);
442
443 int len = tswapl(target_cmsg->cmsg_len)
444 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
445
446 space += CMSG_SPACE(len);
447 if (space > msgh->msg_controllen) {
448 space -= CMSG_SPACE(len);
31febb71 449 gemu_log("Host cmsg overflow\n");
7854b056
FB		 450 break;
451 }
452
453 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
454 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
455 cmsg->cmsg_len = CMSG_LEN(len);
456
3532fa74 457 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 458 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
459 memcpy(data, target_data, len);
460 } else {
461 int *fd = (int *)data;
462 int *target_fd = (int *)target_data;
463 int i, numfds = len / sizeof(int);
464
465 for (i = 0; i < numfds; i++)
466 fd[i] = tswap32(target_fd[i]);
467 }
468
469 cmsg = CMSG_NXTHDR(msgh, cmsg);
470 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
471 }
472
473 msgh->msg_controllen = space;
474}
475
53a5960a 476/* ??? Should this also swap msgh->name? */
7854b056
FB		 477static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
478 struct msghdr *msgh)
479{
480 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
481 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
482 socklen_t space = 0;
483
484 while (cmsg && target_cmsg) {
485 void *data = CMSG_DATA(cmsg);
486 void *target_data = TARGET_CMSG_DATA(target_cmsg);
487
488 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
489
490 space += TARGET_CMSG_SPACE(len);
491 if (space > tswapl(target_msgh->msg_controllen)) {
492 space -= TARGET_CMSG_SPACE(len);
31febb71 493 gemu_log("Target cmsg overflow\n");
7854b056
FB		 494 break;
495 }
496
497 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
498 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
499 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
500
3532fa74 501 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 502 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
503 memcpy(target_data, data, len);
504 } else {
505 int *fd = (int *)data;
506 int *target_fd = (int *)target_data;
507 int i, numfds = len / sizeof(int);
508
509 for (i = 0; i < numfds; i++)
510 target_fd[i] = tswap32(fd[i]);
511 }
512
513 cmsg = CMSG_NXTHDR(msgh, cmsg);
514 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
515 }
516
517 msgh->msg_controllen = tswapl(space);
518}
519
520static long do_setsockopt(int sockfd, int level, int optname,
53a5960a 521 target_ulong optval, socklen_t optlen)
7854b056 522{
8853f86e
FB		 523 int val, ret;
524
525 switch(level) {
526 case SOL_TCP:
7854b056 527 /* TCP options all take an 'int' value. */
7854b056
FB		 528 if (optlen < sizeof(uint32_t))
529 return -EINVAL;
8853f86e 530
53a5960a 531 val = tget32(optval);
8853f86e
FB		 532 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
533 break;
534 case SOL_IP:
535 switch(optname) {
2efbe911
FB		 536 case IP_TOS:
537 case IP_TTL:
8853f86e 538 case IP_HDRINCL:
2efbe911
FB		 539 case IP_ROUTER_ALERT:
540 case IP_RECVOPTS:
541 case IP_RETOPTS:
542 case IP_PKTINFO:
543 case IP_MTU_DISCOVER:
544 case IP_RECVERR:
545 case IP_RECVTOS:
546#ifdef IP_FREEBIND
547 case IP_FREEBIND:
548#endif
549 case IP_MULTICAST_TTL:
550 case IP_MULTICAST_LOOP:
8853f86e
FB		 551 val = 0;
552 if (optlen >= sizeof(uint32_t)) {
53a5960a 553 val = tget32(optval);
8853f86e 554 } else if (optlen >= 1) {
53a5960a 555 val = tget8(optval);
8853f86e
FB		 556 }
557 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
558 break;
559 default:
560 goto unimplemented;
561 }
562 break;
3532fa74 563 case TARGET_SOL_SOCKET:
8853f86e
FB		 564 switch (optname) {
565 /* Options with 'int' argument. */
3532fa74
FB		 566 case TARGET_SO_DEBUG:
567 optname = SO_DEBUG;
568 break;
569 case TARGET_SO_REUSEADDR:
570 optname = SO_REUSEADDR;
571 break;
572 case TARGET_SO_TYPE:
573 optname = SO_TYPE;
574 break;
575 case TARGET_SO_ERROR:
576 optname = SO_ERROR;
577 break;
578 case TARGET_SO_DONTROUTE:
579 optname = SO_DONTROUTE;
580 break;
581 case TARGET_SO_BROADCAST:
582 optname = SO_BROADCAST;
583 break;
584 case TARGET_SO_SNDBUF:
585 optname = SO_SNDBUF;
586 break;
587 case TARGET_SO_RCVBUF:
588 optname = SO_RCVBUF;
589 break;
590 case TARGET_SO_KEEPALIVE:
591 optname = SO_KEEPALIVE;
592 break;
593 case TARGET_SO_OOBINLINE:
594 optname = SO_OOBINLINE;
595 break;
596 case TARGET_SO_NO_CHECK:
597 optname = SO_NO_CHECK;
598 break;
599 case TARGET_SO_PRIORITY:
600 optname = SO_PRIORITY;
601 break;
5e83e8e3 602#ifdef SO_BSDCOMPAT
3532fa74
FB		 603 case TARGET_SO_BSDCOMPAT:
604 optname = SO_BSDCOMPAT;
605 break;
5e83e8e3 606#endif
3532fa74
FB		 607 case TARGET_SO_PASSCRED:
608 optname = SO_PASSCRED;
609 break;
610 case TARGET_SO_TIMESTAMP:
611 optname = SO_TIMESTAMP;
612 break;
613 case TARGET_SO_RCVLOWAT:
614 optname = SO_RCVLOWAT;
615 break;
616 case TARGET_SO_RCVTIMEO:
617 optname = SO_RCVTIMEO;
618 break;
619 case TARGET_SO_SNDTIMEO:
620 optname = SO_SNDTIMEO;
621 break;
8853f86e
FB		 622 break;
623 default:
624 goto unimplemented;
625 }
3532fa74
FB		 626 if (optlen < sizeof(uint32_t))
627 return -EINVAL;
628
629 val = tget32(optval);
630 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 631 break;
7854b056 632 default:
8853f86e
FB		 633 unimplemented:
634 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
635 ret = -ENOSYS;
7854b056 636 }
8853f86e 637 return ret;
7854b056
FB		 638}
639
640static long do_getsockopt(int sockfd, int level, int optname,
53a5960a 641 target_ulong optval, target_ulong optlen)
7854b056 642{
8853f86e
FB		 643 int len, lv, val, ret;
644
645 switch(level) {
3532fa74
FB		 646 case TARGET_SOL_SOCKET:
647 level = SOL_SOCKET;
8853f86e 648 switch (optname) {
3532fa74
FB		 649 case TARGET_SO_LINGER:
650 case TARGET_SO_RCVTIMEO:
651 case TARGET_SO_SNDTIMEO:
652 case TARGET_SO_PEERCRED:
653 case TARGET_SO_PEERNAME:
8853f86e
FB		 654 /* These don't just return a single integer */
655 goto unimplemented;
656 default:
2efbe911
FB		 657 goto int_case;
658 }
659 break;
660 case SOL_TCP:
661 /* TCP options all take an 'int' value. */
662 int_case:
53a5960a 663 len = tget32(optlen);
2efbe911
FB		 664 if (len < 0)
665 return -EINVAL;
666 lv = sizeof(int);
667 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
668 if (ret < 0)
669 return ret;
670 val = tswap32(val);
671 if (len > lv)
672 len = lv;
53a5960a
PB		 673 if (len == 4)
674 tput32(optval, val);
675 else
676 tput8(optval, val);
677 tput32(optlen, len);
2efbe911
FB		 678 break;
679 case SOL_IP:
680 switch(optname) {
681 case IP_TOS:
682 case IP_TTL:
683 case IP_HDRINCL:
684 case IP_ROUTER_ALERT:
685 case IP_RECVOPTS:
686 case IP_RETOPTS:
687 case IP_PKTINFO:
688 case IP_MTU_DISCOVER:
689 case IP_RECVERR:
690 case IP_RECVTOS:
691#ifdef IP_FREEBIND
692 case IP_FREEBIND:
693#endif
694 case IP_MULTICAST_TTL:
695 case IP_MULTICAST_LOOP:
53a5960a 696 len = tget32(optlen);
8853f86e
FB		 697 if (len < 0)
698 return -EINVAL;
699 lv = sizeof(int);
700 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
701 if (ret < 0)
702 return ret;
2efbe911 703 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 704 len = 1;
53a5960a
PB		 705 tput32(optlen, len);
706 tput8(optval, val);
2efbe911 707 } else {
2efbe911
FB		 708 if (len > sizeof(int))
709 len = sizeof(int);
53a5960a
PB		 710 tput32(optlen, len);
711 tput32(optval, val);
2efbe911 712 }
8853f86e 713 break;
2efbe911
FB		 714 default:
715 goto unimplemented;
8853f86e
FB		 716 }
717 break;
718 default:
719 unimplemented:
720 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
721 level, optname);
722 ret = -ENOSYS;
723 break;
724 }
725 return ret;
7854b056
FB		 726}
727
53a5960a
PB		 728static void lock_iovec(struct iovec *vec, target_ulong target_addr,
729 int count, int copy)
730{
731 struct target_iovec *target_vec;
732 target_ulong base;
733 int i;
734
735 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
736 for(i = 0;i < count; i++) {
737 base = tswapl(target_vec[i].iov_base);
738 vec[i].iov_len = tswapl(target_vec[i].iov_len);
739 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
740 }
741 unlock_user (target_vec, target_addr, 0);
742}
743
744static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
745 int count, int copy)
746{
747 struct target_iovec *target_vec;
748 target_ulong base;
749 int i;
750
751 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
752 for(i = 0;i < count; i++) {
753 base = tswapl(target_vec[i].iov_base);
754 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
755 }
756 unlock_user (target_vec, target_addr, 0);
757}
758
3532fa74
FB		 759static long do_socket(int domain, int type, int protocol)
760{
761#if defined(TARGET_MIPS)
762 switch(type) {
763 case TARGET_SOCK_DGRAM:
764 type = SOCK_DGRAM;
765 break;
766 case TARGET_SOCK_STREAM:
767 type = SOCK_STREAM;
768 break;
769 case TARGET_SOCK_RAW:
770 type = SOCK_RAW;
771 break;
772 case TARGET_SOCK_RDM:
773 type = SOCK_RDM;
774 break;
775 case TARGET_SOCK_SEQPACKET:
776 type = SOCK_SEQPACKET;
777 break;
778 case TARGET_SOCK_PACKET:
779 type = SOCK_PACKET;
780 break;
781 }
782#endif
783 return get_errno(socket(domain, type, protocol));
784}
785
786static long do_bind(int sockfd, target_ulong target_addr,
787 socklen_t addrlen)
788{
789 void *addr = alloca(addrlen);
790
791 target_to_host_sockaddr(addr, target_addr, addrlen);
792 return get_errno(bind(sockfd, addr, addrlen));
793}
794
795static long do_connect(int sockfd, target_ulong target_addr,
796 socklen_t addrlen)
797{
798 void *addr = alloca(addrlen);
799
800 target_to_host_sockaddr(addr, target_addr, addrlen);
801 return get_errno(connect(sockfd, addr, addrlen));
802}
803
804static long do_sendrecvmsg(int fd, target_ulong target_msg,
805 int flags, int send)
806{
807 long ret;
808 struct target_msghdr *msgp;
809 struct msghdr msg;
810 int count;
811 struct iovec *vec;
812 target_ulong target_vec;
813
814 lock_user_struct(msgp, target_msg, 1);
815 if (msgp->msg_name) {
816 msg.msg_namelen = tswap32(msgp->msg_namelen);
817 msg.msg_name = alloca(msg.msg_namelen);
818 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
819 msg.msg_namelen);
820 } else {
821 msg.msg_name = NULL;
822 msg.msg_namelen = 0;
823 }
824 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
825 msg.msg_control = alloca(msg.msg_controllen);
826 msg.msg_flags = tswap32(msgp->msg_flags);
827
828 count = tswapl(msgp->msg_iovlen);
829 vec = alloca(count * sizeof(struct iovec));
830 target_vec = tswapl(msgp->msg_iov);
831 lock_iovec(vec, target_vec, count, send);
832 msg.msg_iovlen = count;
833 msg.msg_iov = vec;
834
835 if (send) {
836 target_to_host_cmsg(&msg, msgp);
837 ret = get_errno(sendmsg(fd, &msg, flags));
838 } else {
839 ret = get_errno(recvmsg(fd, &msg, flags));
840 if (!is_error(ret))
841 host_to_target_cmsg(msgp, &msg);
842 }
843 unlock_iovec(vec, target_vec, count, !send);
844 return ret;
845}
846
1be9e1dc
PB		 847static long do_accept(int fd, target_ulong target_addr,
848 target_ulong target_addrlen)
849{
850 socklen_t addrlen = tget32(target_addrlen);
197ea35a 851 void *addr = alloca(addrlen);
1be9e1dc
PB		 852 long ret;
853
854 ret = get_errno(accept(fd, addr, &addrlen));
855 if (!is_error(ret)) {
856 host_to_target_sockaddr(target_addr, addr, addrlen);
857 tput32(target_addrlen, addrlen);
858 }
859 return ret;
860}
861
862static long do_getpeername(int fd, target_ulong target_addr,
863 target_ulong target_addrlen)
864{
865 socklen_t addrlen = tget32(target_addrlen);
866 void *addr = alloca(target_addrlen);
867 long ret;
868
869 ret = get_errno(getpeername(fd, addr, &addrlen));
870 if (!is_error(ret)) {
871 host_to_target_sockaddr(target_addr, addr, addrlen);
872 tput32(target_addrlen, addrlen);
873 }
874 return ret;
875}
876
877static long do_getsockname(int fd, target_ulong target_addr,
878 target_ulong target_addrlen)
879{
880 socklen_t addrlen = tget32(target_addrlen);
881 void *addr = alloca(target_addrlen);
882 long ret;
883
884 ret = get_errno(getsockname(fd, addr, &addrlen));
885 if (!is_error(ret)) {
886 host_to_target_sockaddr(target_addr, addr, addrlen);
887 tput32(target_addrlen, addrlen);
888 }
889 return ret;
890}
891
892static long do_socketpair(int domain, int type, int protocol,
893 target_ulong target_tab)
894{
895 int tab[2];
896 long ret;
897
898 ret = get_errno(socketpair(domain, type, protocol, tab));
899 if (!is_error(ret)) {
900 tput32(target_tab, tab[0]);
901 tput32(target_tab + 4, tab[1]);
902 }
903 return ret;
904}
905
906static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
907 target_ulong target_addr, socklen_t addrlen)
908{
909 void *addr;
910 void *host_msg;
911 long ret;
912
913 host_msg = lock_user(msg, len, 1);
914 if (target_addr) {
915 addr = alloca(addrlen);
916 target_to_host_sockaddr(addr, target_addr, addrlen);
917 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
918 } else {
919 ret = get_errno(send(fd, host_msg, len, flags));
920 }
921 unlock_user(host_msg, msg, 0);
922 return ret;
923}
924
925static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
926 target_ulong target_addr, target_ulong target_addrlen)
927{
928 socklen_t addrlen;
929 void *addr;
930 void *host_msg;
931 long ret;
932
933 host_msg = lock_user(msg, len, 0);
934 if (target_addr) {
935 addrlen = tget32(target_addrlen);
936 addr = alloca(addrlen);
937 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
938 } else {
939 addr = NULL; /* To keep compiler quiet. */
940 ret = get_errno(recv(fd, host_msg, len, flags));
941 }
942 if (!is_error(ret)) {
943 if (target_addr) {
944 host_to_target_sockaddr(target_addr, addr, addrlen);
945 tput32(target_addrlen, addrlen);
946 }
947 unlock_user(host_msg, msg, len);
948 } else {
949 unlock_user(host_msg, msg, 0);
950 }
951 return ret;
952}
953
53a5960a 954static long do_socketcall(int num, target_ulong vptr)
31e31b8a
FB		 955{
956 long ret;
53a5960a 957 const int n = sizeof(target_ulong);
31e31b8a
FB		 958
959 switch(num) {
960 case SOCKOP_socket:
7854b056 961 {
53a5960a
PB		 962 int domain = tgetl(vptr);
963 int type = tgetl(vptr + n);
964 int protocol = tgetl(vptr + 2 * n);
3532fa74 965 ret = do_socket(domain, type, protocol);
7854b056 966 }
31e31b8a
FB		 967 break;
968 case SOCKOP_bind:
7854b056 969 {
53a5960a
PB		 970 int sockfd = tgetl(vptr);
971 target_ulong target_addr = tgetl(vptr + n);
972 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 973 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 974 }
31e31b8a
FB		 975 break;
976 case SOCKOP_connect:
7854b056 977 {
53a5960a
PB		 978 int sockfd = tgetl(vptr);
979 target_ulong target_addr = tgetl(vptr + n);
980 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 981 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 982 }
31e31b8a
FB		 983 break;
984 case SOCKOP_listen:
7854b056 985 {
53a5960a
PB		 986 int sockfd = tgetl(vptr);
987 int backlog = tgetl(vptr + n);
7854b056
FB		 988 ret = get_errno(listen(sockfd, backlog));
989 }
31e31b8a
FB		 990 break;
991 case SOCKOP_accept:
992 {
53a5960a
PB		 993 int sockfd = tgetl(vptr);
994 target_ulong target_addr = tgetl(vptr + n);
995 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 996 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 997 }
998 break;
999 case SOCKOP_getsockname:
1000 {
53a5960a
PB		 1001 int sockfd = tgetl(vptr);
1002 target_ulong target_addr = tgetl(vptr + n);
1003 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1004 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1005 }
1006 break;
1007 case SOCKOP_getpeername:
1008 {
53a5960a
PB		 1009 int sockfd = tgetl(vptr);
1010 target_ulong target_addr = tgetl(vptr + n);
1011 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1012 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1013 }
1014 break;
1015 case SOCKOP_socketpair:
1016 {
53a5960a
PB		 1017 int domain = tgetl(vptr);
1018 int type = tgetl(vptr + n);
1019 int protocol = tgetl(vptr + 2 * n);
1be9e1dc
PB		 1020 target_ulong tab = tgetl(vptr + 3 * n);
1021 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1022 }
1023 break;
1024 case SOCKOP_send:
7854b056 1025 {
53a5960a
PB		 1026 int sockfd = tgetl(vptr);
1027 target_ulong msg = tgetl(vptr + n);
1028 size_t len = tgetl(vptr + 2 * n);
1029 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1030 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1031 }
31e31b8a
FB		 1032 break;
1033 case SOCKOP_recv:
7854b056 1034 {
53a5960a
PB		 1035 int sockfd = tgetl(vptr);
1036 target_ulong msg = tgetl(vptr + n);
1037 size_t len = tgetl(vptr + 2 * n);
1038 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1039 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1040 }
31e31b8a
FB		 1041 break;
1042 case SOCKOP_sendto:
7854b056 1043 {
53a5960a
PB		 1044 int sockfd = tgetl(vptr);
1045 target_ulong msg = tgetl(vptr + n);
1046 size_t len = tgetl(vptr + 2 * n);
1047 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1048 target_ulong addr = tgetl(vptr + 4 * n);
53a5960a 1049 socklen_t addrlen = tgetl(vptr + 5 * n);
1be9e1dc 1050 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1051 }
31e31b8a
FB		 1052 break;
1053 case SOCKOP_recvfrom:
1054 {
53a5960a
PB		 1055 int sockfd = tgetl(vptr);
1056 target_ulong msg = tgetl(vptr + n);
1057 size_t len = tgetl(vptr + 2 * n);
1058 int flags = tgetl(vptr + 3 * n);
1be9e1dc
PB		 1059 target_ulong addr = tgetl(vptr + 4 * n);
1060 target_ulong addrlen = tgetl(vptr + 5 * n);
1061 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1062 }
1063 break;
1064 case SOCKOP_shutdown:
7854b056 1065 {
53a5960a
PB		 1066 int sockfd = tgetl(vptr);
1067 int how = tgetl(vptr + n);
7854b056
FB		 1068
1069 ret = get_errno(shutdown(sockfd, how));
1070 }
31e31b8a
FB		 1071 break;
1072 case SOCKOP_sendmsg:
1073 case SOCKOP_recvmsg:
1a9353d2
FB		 1074 {
1075 int fd;
53a5960a 1076 target_ulong target_msg;
3532fa74 1077 int flags;
1a9353d2 1078
53a5960a 1079 fd = tgetl(vptr);
3532fa74 1080 target_msg = tgetl(vptr + n);
53a5960a 1081 flags = tgetl(vptr + 2 * n);
3532fa74
FB		 1082
1083 ret = do_sendrecvmsg(fd, target_msg, flags,
1084 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1085 }
1086 break;
31e31b8a 1087 case SOCKOP_setsockopt:
7854b056 1088 {
53a5960a
PB		 1089 int sockfd = tgetl(vptr);
1090 int level = tgetl(vptr + n);
1091 int optname = tgetl(vptr + 2 * n);
1092 target_ulong optval = tgetl(vptr + 3 * n);
1093 socklen_t optlen = tgetl(vptr + 4 * n);
7854b056
FB		 1094
1095 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1096 }
1097 break;
31e31b8a 1098 case SOCKOP_getsockopt:
7854b056 1099 {
53a5960a
PB		 1100 int sockfd = tgetl(vptr);
1101 int level = tgetl(vptr + n);
1102 int optname = tgetl(vptr + 2 * n);
1103 target_ulong optval = tgetl(vptr + 3 * n);
1104 target_ulong poptlen = tgetl(vptr + 4 * n);
7854b056 1105
8853f86e 1106 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
7854b056
FB		 1107 }
1108 break;
31e31b8a
FB		 1109 default:
1110 gemu_log("Unsupported socketcall: %d\n", num);
1111 ret = -ENOSYS;
1112 break;
1113 }
1114 return ret;
1115}
1116
8853f86e
FB		 1117#define N_SHM_REGIONS 32
1118
1119static struct shm_region {
1120 uint32_t start;
1121 uint32_t size;
1122} shm_regions[N_SHM_REGIONS];
1123
fa294816
TS		 1124union semun {
1125 int val;
1126 struct senid_ds *buf;
1127 unsigned short *array;
1128};
1129
53a5960a 1130/* ??? This only works with linear mappings. */
8853f86e
FB		 1131static long do_ipc(long call, long first, long second, long third,
1132 long ptr, long fifth)
1133{
1134 int version;
1135 long ret = 0;
1136 unsigned long raddr;
1137 struct shmid_ds shm_info;
1138 int i;
1139
1140 version = call >> 16;
1141 call &= 0xffff;
1142
1143 switch (call) {
fa294816
TS		 1144 case IPCOP_semop:
1145 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1146 break;
1147
1148 case IPCOP_semget:
1149 ret = get_errno(semget(first, second, third));
1150 break;
1151
1152 case IPCOP_semctl:
1153 ret = get_errno(semctl(first, second, third, ((union semun*)ptr)->val));
1154
1155 break;
1156
1157 case IPCOP_semtimedop:
1158 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1159 ret = -ENOSYS;
1160 break;
d96372ef
TS		 1161
1162 case IPCOP_msgget:
1163 ret = get_errno(msgget(first, second));
1164 break;
1165
1166 case IPCOP_msgsnd:
1167 ret = get_errno(msgsnd(first, (struct msgbuf *) ptr, second, third));
1168 break;
1169
1170 case IPCOP_msgctl:
1171 ret = get_errno(msgctl(first, second, (struct msqid_ds *) ptr));
1172 break;
1173
1174 case IPCOP_msgrcv:
1175 {
1176 struct ipc_kludge
1177 {
1178 void *__unbounded msgp;
1179 long int msgtyp;
1180 };
1181
1182 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1183 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1184
1185 ret = get_errno(msgrcv(first, msgp, second, 0, third));
1186
1187 }
1188 break;
1189
8853f86e
FB		 1190 case IPCOP_shmat:
1191 /* SHM_* flags are the same on all linux platforms */
1192 ret = get_errno((long) shmat(first, (void *) ptr, second));
1193 if (is_error(ret))
1194 break;
1195 raddr = ret;
1196 /* find out the length of the shared memory segment */
1197
1198 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1199 if (is_error(ret)) {
1200 /* can't get length, bail out */
1201 shmdt((void *) raddr);
1202 break;
1203 }
1204 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1205 PAGE_VALID | PAGE_READ |
1206 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1207 for (i = 0; i < N_SHM_REGIONS; ++i) {
1208 if (shm_regions[i].start == 0) {
1209 shm_regions[i].start = raddr;
1210 shm_regions[i].size = shm_info.shm_segsz;
1211 break;
1212 }
1213 }
1214 if (put_user(raddr, (uint32_t *)third))
1215 return -EFAULT;
1216 ret = 0;
1217 break;
1218 case IPCOP_shmdt:
1219 for (i = 0; i < N_SHM_REGIONS; ++i) {
1220 if (shm_regions[i].start == ptr) {
1221 shm_regions[i].start = 0;
1222 page_set_flags(ptr, shm_regions[i].size, 0);
1223 break;
1224 }
1225 }
1226 ret = get_errno(shmdt((void *) ptr));
1227 break;
1228
1229 case IPCOP_shmget:
1230 /* IPC_* flag values are the same on all linux platforms */
1231 ret = get_errno(shmget(first, second, third));
1232 break;
1233
1234 /* IPC_* and SHM_* command values are the same on all linux platforms */
1235 case IPCOP_shmctl:
1236 switch(second) {
1237 case IPC_RMID:
1238 case SHM_LOCK:
1239 case SHM_UNLOCK:
1240 ret = get_errno(shmctl(first, second, NULL));
1241 break;
1242 default:
1243 goto unimplemented;
1244 }
1245 break;
1246 default:
1247 unimplemented:
1248 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1249 ret = -ENOSYS;
1250 break;
1251 }
1252 return ret;
1253}
1254
31e31b8a
FB		 1255/* kernel structure types definitions */
1256#define IFNAMSIZ 16
1257
1258#define STRUCT(name, list...) STRUCT_ ## name,
1259#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1260enum {
1261#include "syscall_types.h"
1262};
1263#undef STRUCT
1264#undef STRUCT_SPECIAL
1265
1266#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1267#define STRUCT_SPECIAL(name)
1268#include "syscall_types.h"
1269#undef STRUCT
1270#undef STRUCT_SPECIAL
1271
1272typedef struct IOCTLEntry {
2ab83ea7
FB		 1273 unsigned int target_cmd;
1274 unsigned int host_cmd;
31e31b8a
FB		 1275 const char *name;
1276 int access;
1a9353d2 1277 const argtype arg_type[5];
31e31b8a
FB		 1278} IOCTLEntry;
1279
1280#define IOC_R 0x0001
1281#define IOC_W 0x0002
1282#define IOC_RW (IOC_R | IOC_W)
1283
1284#define MAX_STRUCT_SIZE 4096
1285
2ab83ea7 1286IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 1287#define IOCTL(cmd, access, types...) \
1288 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1289#include "ioctls.h"
1290 { 0, 0, },
1291};
1292
53a5960a 1293/* ??? Implement proper locking for ioctls. */
31e31b8a
FB		 1294static long do_ioctl(long fd, long cmd, long arg)
1295{
1296 const IOCTLEntry *ie;
1297 const argtype *arg_type;
1298 long ret;
1299 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 1300 int target_size;
1301 void *argptr;
31e31b8a
FB		 1302
1303 ie = ioctl_entries;
1304 for(;;) {
1305 if (ie->target_cmd == 0) {
1306 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1307 return -ENOSYS;
1308 }
1309 if (ie->target_cmd == cmd)
1310 break;
1311 ie++;
1312 }
1313 arg_type = ie->arg_type;
9de5e440 1314#if defined(DEBUG)
72f03900
FB		 1315 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1316#endif
31e31b8a
FB		 1317 switch(arg_type[0]) {
1318 case TYPE_NULL:
1319 /* no argument */
1320 ret = get_errno(ioctl(fd, ie->host_cmd));
1321 break;
1322 case TYPE_PTRVOID:
1323 case TYPE_INT:
1324 /* int argment */
1325 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1326 break;
1327 case TYPE_PTR:
1328 arg_type++;
53a5960a 1329 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 1330 switch(ie->access) {
1331 case IOC_R:
1332 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1333 if (!is_error(ret)) {
53a5960a
PB		 1334 argptr = lock_user(arg, target_size, 0);
1335 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1336 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1337 }
1338 break;
1339 case IOC_W:
53a5960a
PB		 1340 argptr = lock_user(arg, target_size, 1);
1341 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1342 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1343 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1344 break;
1345 default:
1346 case IOC_RW:
53a5960a
PB		 1347 argptr = lock_user(arg, target_size, 1);
1348 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1349 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1350 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1351 if (!is_error(ret)) {
53a5960a
PB		 1352 argptr = lock_user(arg, target_size, 0);
1353 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1354 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1355 }
1356 break;
1357 }
1358 break;
1359 default:
1360 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1361 ret = -ENOSYS;
1362 break;
1363 }
1364 return ret;
1365}
1366
1367bitmask_transtbl iflag_tbl[] = {
1368 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1369 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1370 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1371 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1372 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1373 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1374 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1375 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1376 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1377 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1378 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1379 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1380 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1381 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1382 { 0, 0, 0, 0 }
1383};
1384
1385bitmask_transtbl oflag_tbl[] = {
1386 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1387 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1388 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1389 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1390 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1391 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1392 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1393 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1394 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1395 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1396 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1397 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1398 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1399 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1400 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1401 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1402 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1403 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1404 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1405 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1406 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1407 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1408 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1409 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1410 { 0, 0, 0, 0 }
1411};
1412
1413bitmask_transtbl cflag_tbl[] = {
1414 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1415 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1416 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1417 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1418 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1419 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1420 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1421 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1422 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1423 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1424 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1425 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1426 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1427 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1428 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1429 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1430 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1431 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1432 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1433 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1434 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1435 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1436 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1437 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1438 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1439 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1440 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1441 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1442 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1443 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1444 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1445 { 0, 0, 0, 0 }
1446};
1447
1448bitmask_transtbl lflag_tbl[] = {
1449 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1450 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1451 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1452 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1453 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1454 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1455 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1456 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1457 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1458 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1459 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1460 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1461 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1462 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1463 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1464 { 0, 0, 0, 0 }
1465};
1466
1467static void target_to_host_termios (void *dst, const void *src)
1468{
1469 struct host_termios *host = dst;
1470 const struct target_termios *target = src;
1471
1472 host->c_iflag =
1473 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1474 host->c_oflag =
1475 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1476 host->c_cflag =
1477 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1478 host->c_lflag =
1479 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1480 host->c_line = target->c_line;
1481
1482 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1483 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1484 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1485 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1486 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1487 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1488 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1489 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1490 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1491 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1492 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1493 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1494 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1495 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1496 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1497 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1498 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1499}
1500
1501static void host_to_target_termios (void *dst, const void *src)
1502{
1503 struct target_termios *target = dst;
1504 const struct host_termios *host = src;
1505
1506 target->c_iflag =
1507 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1508 target->c_oflag =
1509 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1510 target->c_cflag =
1511 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1512 target->c_lflag =
1513 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1514 target->c_line = host->c_line;
1515
1516 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1517 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1518 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1519 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1520 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1521 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1522 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1523 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1524 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1525 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1526 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1527 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1528 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1529 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1530 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1531 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1532 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1533}
1534
1535StructEntry struct_termios_def = {
1536 .convert = { host_to_target_termios, target_to_host_termios },
1537 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1538 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1539};
1540
5286db75
FB		 1541static bitmask_transtbl mmap_flags_tbl[] = {
1542 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1543 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1544 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1545 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1546 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1547 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1548 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1549 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1550 { 0, 0, 0, 0 }
1551};
1552
ffa65c3b
FB		 1553static bitmask_transtbl fcntl_flags_tbl[] = {
1554 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1555 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1556 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1557 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1558 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1559 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1560 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1561 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1562 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1563 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1564 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1565 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1566 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 1567#if defined(O_DIRECT)
ffa65c3b 1568 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 1569#endif
ffa65c3b
FB		 1570 { 0, 0, 0, 0 }
1571};
1572
2ab83ea7 1573#if defined(TARGET_I386)
6dbad63e
FB		 1574
1575/* NOTE: there is really one LDT for all the threads */
1576uint8_t *ldt_table;
1577
53a5960a 1578static int read_ldt(target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1579{
1580 int size;
53a5960a 1581 void *p;
6dbad63e
FB		 1582
1583 if (!ldt_table)
1584 return 0;
1585 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1586 if (size > bytecount)
1587 size = bytecount;
53a5960a
PB		 1588 p = lock_user(ptr, size, 0);
1589 /* ??? Shoudl this by byteswapped? */
1590 memcpy(p, ldt_table, size);
1591 unlock_user(p, ptr, size);
6dbad63e
FB		 1592 return size;
1593}
1594
1595/* XXX: add locking support */
1596static int write_ldt(CPUX86State *env,
53a5960a 1597 target_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 1598{
1599 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 1600 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e
FB		 1601 int seg_32bit, contents, read_exec_only, limit_in_pages;
1602 int seg_not_present, useable;
1603 uint32_t *lp, entry_1, entry_2;
1604
1605 if (bytecount != sizeof(ldt_info))
1606 return -EINVAL;
53a5960a
PB		 1607 lock_user_struct(target_ldt_info, ptr, 1);
1608 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1609 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1610 ldt_info.limit = tswap32(target_ldt_info->limit);
1611 ldt_info.flags = tswap32(target_ldt_info->flags);
1612 unlock_user_struct(target_ldt_info, ptr, 0);
6dbad63e
FB		 1613
1614 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1615 return -EINVAL;
1616 seg_32bit = ldt_info.flags & 1;
1617 contents = (ldt_info.flags >> 1) & 3;
1618 read_exec_only = (ldt_info.flags >> 3) & 1;
1619 limit_in_pages = (ldt_info.flags >> 4) & 1;
1620 seg_not_present = (ldt_info.flags >> 5) & 1;
1621 useable = (ldt_info.flags >> 6) & 1;
1622
1623 if (contents == 3) {
1624 if (oldmode)
1625 return -EINVAL;
1626 if (seg_not_present == 0)
1627 return -EINVAL;
1628 }
1629 /* allocate the LDT */
1630 if (!ldt_table) {
1631 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1632 if (!ldt_table)
1633 return -ENOMEM;
1634 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
53a5960a 1635 env->ldt.base = h2g(ldt_table);
6dbad63e
FB		 1636 env->ldt.limit = 0xffff;
1637 }
1638
1639 /* NOTE: same code as Linux kernel */
1640 /* Allow LDTs to be cleared by the user. */
1641 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1642 if (oldmode ||
1643 (contents == 0 &&
1644 read_exec_only == 1 &&
1645 seg_32bit == 0 &&
1646 limit_in_pages == 0 &&
1647 seg_not_present == 1 &&
1648 useable == 0 )) {
1649 entry_1 = 0;
1650 entry_2 = 0;
1651 goto install;
1652 }
1653 }
1654
1655 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1656 (ldt_info.limit & 0x0ffff);
1657 entry_2 = (ldt_info.base_addr & 0xff000000) |
1658 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1659 (ldt_info.limit & 0xf0000) |
1660 ((read_exec_only ^ 1) << 9) |
1661 (contents << 10) |
1662 ((seg_not_present ^ 1) << 15) |
1663 (seg_32bit << 22) |
1664 (limit_in_pages << 23) |
1665 0x7000;
1666 if (!oldmode)
1667 entry_2 |= (useable << 20);
14ae3ba7 1668
6dbad63e
FB		 1669 /* Install the new entry ... */
1670install:
1671 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1672 lp[0] = tswap32(entry_1);
1673 lp[1] = tswap32(entry_2);
1674 return 0;
1675}
1676
1677/* specific and weird i386 syscalls */
53a5960a 1678int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1679{
1680 int ret = -ENOSYS;
1681
1682 switch (func) {
1683 case 0:
1684 ret = read_ldt(ptr, bytecount);
1685 break;
1686 case 1:
1687 ret = write_ldt(env, ptr, bytecount, 1);
1688 break;
1689 case 0x11:
1690 ret = write_ldt(env, ptr, bytecount, 0);
1691 break;
1692 }
1693 return ret;
1694}
1b6b029e 1695
2ab83ea7
FB		 1696#endif /* defined(TARGET_I386) */
1697
1b6b029e
FB		 1698/* this stack is the equivalent of the kernel stack associated with a
1699 thread/process */
1700#define NEW_STACK_SIZE 8192
1701
1702static int clone_func(void *arg)
1703{
2ab83ea7 1704 CPUState *env = arg;
1b6b029e
FB		 1705 cpu_loop(env);
1706 /* never exits */
1707 return 0;
1708}
1709
2ab83ea7 1710int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1b6b029e
FB		 1711{
1712 int ret;
5cd4393b 1713 TaskState *ts;
1b6b029e 1714 uint8_t *new_stack;
2ab83ea7 1715 CPUState *new_env;
1b6b029e
FB		 1716
1717 if (flags & CLONE_VM) {
5cd4393b
FB		 1718 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1719 memset(ts, 0, sizeof(TaskState));
1720 new_stack = ts->stack;
1721 ts->used = 1;
1722 /* add in task state list */
1723 ts->next = first_task_state;
1724 first_task_state = ts;
1b6b029e 1725 /* we create a new CPU instance. */
c5be9f08 1726 new_env = cpu_copy(env);
2ab83ea7
FB		 1727#if defined(TARGET_I386)
1728 if (!newsp)
1729 newsp = env->regs[R_ESP];
1b6b029e
FB		 1730 new_env->regs[R_ESP] = newsp;
1731 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 1732#elif defined(TARGET_ARM)
1733 if (!newsp)
1734 newsp = env->regs[13];
1735 new_env->regs[13] = newsp;
1736 new_env->regs[0] = 0;
ebc05488 1737#elif defined(TARGET_SPARC)
48dc41eb
FB		 1738 if (!newsp)
1739 newsp = env->regwptr[22];
1740 new_env->regwptr[22] = newsp;
1741 new_env->regwptr[0] = 0;
1742 /* XXXXX */
67867308 1743 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
e6e5906b
PB		 1744#elif defined(TARGET_M68K)
1745 if (!newsp)
1746 newsp = env->aregs[7];
1747 new_env->aregs[7] = newsp;
1748 new_env->dregs[0] = 0;
1749 /* ??? is this sufficient? */
048f6b4d
FB		 1750#elif defined(TARGET_MIPS)
1751 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
67867308
FB		 1752#elif defined(TARGET_PPC)
1753 if (!newsp)
1754 newsp = env->gpr[1];
1755 new_env->gpr[1] = newsp;
1756 {
1757 int i;
1758 for (i = 7; i < 32; i++)
1759 new_env->gpr[i] = 0;
1760 }
fdf9b3e8
FB		 1761#elif defined(TARGET_SH4)
1762 if (!newsp)
1763 newsp = env->gregs[15];
1764 new_env->gregs[15] = newsp;
1765 /* XXXXX */
2ab83ea7
FB		 1766#else
1767#error unsupported target CPU
1768#endif
5cd4393b 1769 new_env->opaque = ts;
27725c1d 1770#ifdef __ia64__
fd4a43e4 1771 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 1772#else
1773 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1774#endif
1b6b029e
FB		 1775 } else {
1776 /* if no CLONE_VM, we consider it is a fork */
1777 if ((flags & ~CSIGNAL) != 0)
1778 return -EINVAL;
1779 ret = fork();
1780 }
1781 return ret;
1782}
1783
53a5960a 1784static long do_fcntl(int fd, int cmd, target_ulong arg)
7775e9ec
FB		 1785{
1786 struct flock fl;
53a5960a 1787 struct target_flock *target_fl;
43f238d7
TS		 1788 struct flock64 fl64;
1789 struct target_flock64 *target_fl64;
7775e9ec 1790 long ret;
53a5960a 1791
7775e9ec
FB		 1792 switch(cmd) {
1793 case TARGET_F_GETLK:
1794 ret = fcntl(fd, cmd, &fl);
1795 if (ret == 0) {
53a5960a 1796 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1797 target_fl->l_type = tswap16(fl.l_type);
1798 target_fl->l_whence = tswap16(fl.l_whence);
1799 target_fl->l_start = tswapl(fl.l_start);
1800 target_fl->l_len = tswapl(fl.l_len);
1801 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 1802 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1803 }
1804 break;
1805
1806 case TARGET_F_SETLK:
1807 case TARGET_F_SETLKW:
53a5960a 1808 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1809 fl.l_type = tswap16(target_fl->l_type);
1810 fl.l_whence = tswap16(target_fl->l_whence);
1811 fl.l_start = tswapl(target_fl->l_start);
1812 fl.l_len = tswapl(target_fl->l_len);
1813 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 1814 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1815 ret = fcntl(fd, cmd, &fl);
1816 break;
1817
1818 case TARGET_F_GETLK64:
43f238d7
TS		 1819 ret = fcntl(fd, cmd >> 1, &fl64);
1820 if (ret == 0) {
1821 lock_user_struct(target_fl64, arg, 0);
1822 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
1823 target_fl64->l_whence = tswap16(fl64.l_whence);
1824 target_fl64->l_start = tswapl(fl64.l_start);
1825 target_fl64->l_len = tswapl(fl64.l_len);
1826 target_fl64->l_pid = tswapl(fl64.l_pid);
1827 unlock_user_struct(target_fl64, arg, 1);
1828 }
1829 break;
7775e9ec
FB		 1830 case TARGET_F_SETLK64:
1831 case TARGET_F_SETLKW64:
43f238d7
TS		 1832 lock_user_struct(target_fl64, arg, 1);
1833 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1834 fl64.l_whence = tswap16(target_fl64->l_whence);
1835 fl64.l_start = tswapl(target_fl64->l_start);
1836 fl64.l_len = tswapl(target_fl64->l_len);
1837 fl64.l_pid = tswap16(target_fl64->l_pid);
1838 unlock_user_struct(target_fl64, arg, 0);
1839 ret = fcntl(fd, cmd >> 1, &fl64);
7775e9ec
FB		 1840 break;
1841
ffa65c3b
FB		 1842 case F_GETFL:
1843 ret = fcntl(fd, cmd, arg);
1844 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1845 break;
1846
1847 case F_SETFL:
1848 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1849 break;
1850
7775e9ec
FB		 1851 default:
1852 ret = fcntl(fd, cmd, arg);
1853 break;
1854 }
1855 return ret;
1856}
1857
67867308 1858#ifdef USE_UID16
7775e9ec 1859
67867308
FB		 1860static inline int high2lowuid(int uid)
1861{
1862 if (uid > 65535)
1863 return 65534;
1864 else
1865 return uid;
1866}
1867
1868static inline int high2lowgid(int gid)
1869{
1870 if (gid > 65535)
1871 return 65534;
1872 else
1873 return gid;
1874}
1875
1876static inline int low2highuid(int uid)
1877{
1878 if ((int16_t)uid == -1)
1879 return -1;
1880 else
1881 return uid;
1882}
1883
1884static inline int low2highgid(int gid)
1885{
1886 if ((int16_t)gid == -1)
1887 return -1;
1888 else
1889 return gid;
1890}
1891
1892#endif /* USE_UID16 */
1b6b029e 1893
31e31b8a
FB		 1894void syscall_init(void)
1895{
2ab83ea7
FB		 1896 IOCTLEntry *ie;
1897 const argtype *arg_type;
1898 int size;
1899
31e31b8a
FB		 1900#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1901#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1902#include "syscall_types.h"
1903#undef STRUCT
1904#undef STRUCT_SPECIAL
2ab83ea7
FB		 1905
1906 /* we patch the ioctl size if necessary. We rely on the fact that
1907 no ioctl has all the bits at '1' in the size field */
1908 ie = ioctl_entries;
1909 while (ie->target_cmd != 0) {
1910 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1911 TARGET_IOC_SIZEMASK) {
1912 arg_type = ie->arg_type;
1913 if (arg_type[0] != TYPE_PTR) {
1914 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1915 ie->target_cmd);
1916 exit(1);
1917 }
1918 arg_type++;
1919 size = thunk_type_size(arg_type, 0);
1920 ie->target_cmd = (ie->target_cmd &
1921 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1922 (size << TARGET_IOC_SIZESHIFT);
1923 }
1924 /* automatic consistency check if same arch */
1925#if defined(__i386__) && defined(TARGET_I386)
1926 if (ie->target_cmd != ie->host_cmd) {
1927 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1928 ie->target_cmd, ie->host_cmd);
1929 }
1930#endif
1931 ie++;
1932 }
31e31b8a 1933}
c573ff67 1934
ce4defa0
PB		 1935static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1936{
1937#ifdef TARGET_WORDS_BIG_ENDIAN
1938 return ((uint64_t)word0 << 32) | word1;
1939#else
1940 return ((uint64_t)word1 << 32) | word0;
1941#endif
1942}
1943
1944#ifdef TARGET_NR_truncate64
1945static inline long target_truncate64(void *cpu_env, const char *arg1,
1946 long arg2, long arg3, long arg4)
1947{
1948#ifdef TARGET_ARM
1949 if (((CPUARMState *)cpu_env)->eabi)
1950 {
1951 arg2 = arg3;
1952 arg3 = arg4;
1953 }
1954#endif
1955 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1956}
1957#endif
1958
1959#ifdef TARGET_NR_ftruncate64
1960static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1961 long arg3, long arg4)
1962{
1963#ifdef TARGET_ARM
1964 if (((CPUARMState *)cpu_env)->eabi)
1965 {
1966 arg2 = arg3;
1967 arg3 = arg4;
1968 }
1969#endif
1970 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1971}
1972#endif
1973
53a5960a
PB		 1974static inline void target_to_host_timespec(struct timespec *host_ts,
1975 target_ulong target_addr)
1976{
1977 struct target_timespec *target_ts;
1978
1979 lock_user_struct(target_ts, target_addr, 1);
1980 host_ts->tv_sec = tswapl(target_ts->tv_sec);
1981 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
1982 unlock_user_struct(target_ts, target_addr, 0);
1983}
1984
1985static inline void host_to_target_timespec(target_ulong target_addr,
1986 struct timespec *host_ts)
1987{
1988 struct target_timespec *target_ts;
1989
1990 lock_user_struct(target_ts, target_addr, 0);
1991 target_ts->tv_sec = tswapl(host_ts->tv_sec);
1992 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
1993 unlock_user_struct(target_ts, target_addr, 1);
1994}
1995
6dbad63e 1996long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 1997 long arg4, long arg5, long arg6)
1998{
1999 long ret;
2000 struct stat st;
56c8f68f 2001 struct statfs stfs;
53a5960a 2002 void *p;
31e31b8a 2003
72f03900 2004#ifdef DEBUG
c573ff67 2005 gemu_log("syscall %d", num);
72f03900 2006#endif
31e31b8a
FB		 2007 switch(num) {
2008 case TARGET_NR_exit:
7d13299d
FB		 2009#ifdef HAVE_GPROF
2010 _mcleanup();
2011#endif
e9009676 2012 gdb_exit(cpu_env, arg1);
1b6b029e 2013 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 2014 _exit(arg1);
2015 ret = 0; /* avoid warning */
2016 break;
2017 case TARGET_NR_read:
53a5960a
PB		 2018 page_unprotect_range(arg2, arg3);
2019 p = lock_user(arg2, arg3, 0);
2020 ret = get_errno(read(arg1, p, arg3));
2021 unlock_user(p, arg2, ret);
31e31b8a
FB		 2022 break;
2023 case TARGET_NR_write:
53a5960a
PB		 2024 p = lock_user(arg2, arg3, 1);
2025 ret = get_errno(write(arg1, p, arg3));
2026 unlock_user(p, arg2, 0);
31e31b8a
FB		 2027 break;
2028 case TARGET_NR_open:
53a5960a
PB		 2029 p = lock_user_string(arg1);
2030 ret = get_errno(open(path(p),
ffa65c3b
FB		 2031 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2032 arg3));
53a5960a 2033 unlock_user(p, arg1, 0);
31e31b8a
FB		 2034 break;
2035 case TARGET_NR_close:
2036 ret = get_errno(close(arg1));
2037 break;
2038 case TARGET_NR_brk:
53a5960a 2039 ret = do_brk(arg1);
31e31b8a
FB		 2040 break;
2041 case TARGET_NR_fork:
1b6b029e 2042 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a
FB		 2043 break;
2044 case TARGET_NR_waitpid:
2045 {
53a5960a
PB		 2046 int status;
2047 ret = get_errno(waitpid(arg1, &status, arg3));
2048 if (!is_error(ret) && arg2)
2049 tput32(arg2, status);
31e31b8a
FB		 2050 }
2051 break;
2052 case TARGET_NR_creat:
53a5960a
PB		 2053 p = lock_user_string(arg1);
2054 ret = get_errno(creat(p, arg2));
2055 unlock_user(p, arg1, 0);
31e31b8a
FB		 2056 break;
2057 case TARGET_NR_link:
53a5960a
PB		 2058 {
2059 void * p2;
2060 p = lock_user_string(arg1);
2061 p2 = lock_user_string(arg2);
2062 ret = get_errno(link(p, p2));
2063 unlock_user(p2, arg2, 0);
2064 unlock_user(p, arg1, 0);
2065 }
31e31b8a
FB		 2066 break;
2067 case TARGET_NR_unlink:
53a5960a
PB		 2068 p = lock_user_string(arg1);
2069 ret = get_errno(unlink(p));
2070 unlock_user(p, arg1, 0);
31e31b8a
FB		 2071 break;
2072 case TARGET_NR_execve:
7854b056
FB		 2073 {
2074 char **argp, **envp;
f7341ff4 2075 int argc, envc;
53a5960a
PB		 2076 target_ulong gp;
2077 target_ulong guest_argp;
2078 target_ulong guest_envp;
2079 target_ulong addr;
7854b056
FB		 2080 char **q;
2081
f7341ff4 2082 argc = 0;
53a5960a
PB		 2083 guest_argp = arg2;
2084 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2085 argc++;
f7341ff4 2086 envc = 0;
53a5960a
PB		 2087 guest_envp = arg3;
2088 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2089 envc++;
2090
f7341ff4
FB		 2091 argp = alloca((argc + 1) * sizeof(void *));
2092 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2093
53a5960a
PB		 2094 for (gp = guest_argp, q = argp; ;
2095 gp += sizeof(target_ulong), q++) {
2096 addr = tgetl(gp);
2097 if (!addr)
2098 break;
2099 *q = lock_user_string(addr);
2100 }
f7341ff4
FB		 2101 *q = NULL;
2102
53a5960a
PB		 2103 for (gp = guest_envp, q = envp; ;
2104 gp += sizeof(target_ulong), q++) {
2105 addr = tgetl(gp);
2106 if (!addr)
2107 break;
2108 *q = lock_user_string(addr);
2109 }
f7341ff4 2110 *q = NULL;
7854b056 2111
53a5960a
PB		 2112 p = lock_user_string(arg1);
2113 ret = get_errno(execve(p, argp, envp));
2114 unlock_user(p, arg1, 0);
2115
2116 for (gp = guest_argp, q = argp; *q;
2117 gp += sizeof(target_ulong), q++) {
2118 addr = tgetl(gp);
2119 unlock_user(*q, addr, 0);
2120 }
2121 for (gp = guest_envp, q = envp; *q;
2122 gp += sizeof(target_ulong), q++) {
2123 addr = tgetl(gp);
2124 unlock_user(*q, addr, 0);
2125 }
7854b056 2126 }
31e31b8a
FB		 2127 break;
2128 case TARGET_NR_chdir:
53a5960a
PB		 2129 p = lock_user_string(arg1);
2130 ret = get_errno(chdir(p));
2131 unlock_user(p, arg1, 0);
31e31b8a 2132 break;
a315a145 2133#ifdef TARGET_NR_time
31e31b8a
FB		 2134 case TARGET_NR_time:
2135 {
53a5960a
PB		 2136 time_t host_time;
2137 ret = get_errno(time(&host_time));
2138 if (!is_error(ret) && arg1)
2139 tputl(arg1, host_time);
31e31b8a
FB		 2140 }
2141 break;
a315a145 2142#endif
31e31b8a 2143 case TARGET_NR_mknod:
53a5960a
PB		 2144 p = lock_user_string(arg1);
2145 ret = get_errno(mknod(p, arg2, arg3));
2146 unlock_user(p, arg1, 0);
31e31b8a
FB		 2147 break;
2148 case TARGET_NR_chmod:
53a5960a
PB		 2149 p = lock_user_string(arg1);
2150 ret = get_errno(chmod(p, arg2));
2151 unlock_user(p, arg1, 0);
31e31b8a 2152 break;
ebc05488 2153#ifdef TARGET_NR_break
31e31b8a
FB		 2154 case TARGET_NR_break:
2155 goto unimplemented;
ebc05488
FB		 2156#endif
2157#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2158 case TARGET_NR_oldstat:
2159 goto unimplemented;
ebc05488 2160#endif
31e31b8a
FB		 2161 case TARGET_NR_lseek:
2162 ret = get_errno(lseek(arg1, arg2, arg3));
2163 break;
2164 case TARGET_NR_getpid:
2165 ret = get_errno(getpid());
2166 break;
2167 case TARGET_NR_mount:
80265918
TS		 2168 {
2169 /* need to look at the data field */
2170 void *p2, *p3;
2171 p = lock_user_string(arg1);
2172 p2 = lock_user_string(arg2);
2173 p3 = lock_user_string(arg3);
2174 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2175 unlock_user(p, arg1, 0);
2176 unlock_user(p2, arg2, 0);
2177 unlock_user(p3, arg3, 0);
2178 break;
2179 }
31e31b8a 2180 case TARGET_NR_umount:
53a5960a
PB		 2181 p = lock_user_string(arg1);
2182 ret = get_errno(umount(p));
2183 unlock_user(p, arg1, 0);
31e31b8a 2184 break;
31e31b8a
FB		 2185 case TARGET_NR_stime:
2186 {
53a5960a
PB		 2187 time_t host_time;
2188 host_time = tgetl(arg1);
2189 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2190 }
2191 break;
2192 case TARGET_NR_ptrace:
2193 goto unimplemented;
2194 case TARGET_NR_alarm:
2195 ret = alarm(arg1);
2196 break;
ebc05488 2197#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2198 case TARGET_NR_oldfstat:
2199 goto unimplemented;
ebc05488 2200#endif
31e31b8a
FB		 2201 case TARGET_NR_pause:
2202 ret = get_errno(pause());
2203 break;
2204 case TARGET_NR_utime:
ebc05488 2205 {
53a5960a
PB		 2206 struct utimbuf tbuf, *host_tbuf;
2207 struct target_utimbuf *target_tbuf;
2208 if (arg2) {
2209 lock_user_struct(target_tbuf, arg2, 1);
2210 tbuf.actime = tswapl(target_tbuf->actime);
2211 tbuf.modtime = tswapl(target_tbuf->modtime);
2212 unlock_user_struct(target_tbuf, arg2, 0);
2213 host_tbuf = &tbuf;
f72e8ff4 2214 } else {
53a5960a 2215 host_tbuf = NULL;
f72e8ff4 2216 }
53a5960a
PB		 2217 p = lock_user_string(arg1);
2218 ret = get_errno(utime(p, host_tbuf));
2219 unlock_user(p, arg1, 0);
ebc05488
FB		 2220 }
2221 break;
978a66ff
FB		 2222 case TARGET_NR_utimes:
2223 {
978a66ff 2224 struct timeval *tvp, tv[2];
53a5960a
PB		 2225 if (arg2) {
2226 target_to_host_timeval(&tv[0], arg2);
2227 target_to_host_timeval(&tv[1],
2228 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2229 tvp = tv;
2230 } else {
2231 tvp = NULL;
2232 }
53a5960a
PB		 2233 p = lock_user_string(arg1);
2234 ret = get_errno(utimes(p, tvp));
2235 unlock_user(p, arg1, 0);
978a66ff
FB		 2236 }
2237 break;
ebc05488 2238#ifdef TARGET_NR_stty
31e31b8a
FB		 2239 case TARGET_NR_stty:
2240 goto unimplemented;
ebc05488
FB		 2241#endif
2242#ifdef TARGET_NR_gtty
31e31b8a
FB		 2243 case TARGET_NR_gtty:
2244 goto unimplemented;
ebc05488 2245#endif
31e31b8a 2246 case TARGET_NR_access:
53a5960a
PB		 2247 p = lock_user_string(arg1);
2248 ret = get_errno(access(p, arg2));
2249 unlock_user(p, arg1, 0);
31e31b8a
FB		 2250 break;
2251 case TARGET_NR_nice:
2252 ret = get_errno(nice(arg1));
2253 break;
ebc05488 2254#ifdef TARGET_NR_ftime
31e31b8a
FB		 2255 case TARGET_NR_ftime:
2256 goto unimplemented;
ebc05488 2257#endif
31e31b8a 2258 case TARGET_NR_sync:
04369ff2
FB		 2259 sync();
2260 ret = 0;
31e31b8a
FB		 2261 break;
2262 case TARGET_NR_kill:
2263 ret = get_errno(kill(arg1, arg2));
2264 break;
2265 case TARGET_NR_rename:
53a5960a
PB		 2266 {
2267 void *p2;
2268 p = lock_user_string(arg1);
2269 p2 = lock_user_string(arg2);
2270 ret = get_errno(rename(p, p2));
2271 unlock_user(p2, arg2, 0);
2272 unlock_user(p, arg1, 0);
2273 }
31e31b8a
FB		 2274 break;
2275 case TARGET_NR_mkdir:
53a5960a
PB		 2276 p = lock_user_string(arg1);
2277 ret = get_errno(mkdir(p, arg2));
2278 unlock_user(p, arg1, 0);
31e31b8a
FB		 2279 break;
2280 case TARGET_NR_rmdir:
53a5960a
PB		 2281 p = lock_user_string(arg1);
2282 ret = get_errno(rmdir(p));
2283 unlock_user(p, arg1, 0);
31e31b8a
FB		 2284 break;
2285 case TARGET_NR_dup:
2286 ret = get_errno(dup(arg1));
2287 break;
2288 case TARGET_NR_pipe:
2289 {
53a5960a
PB		 2290 int host_pipe[2];
2291 ret = get_errno(pipe(host_pipe));
31e31b8a 2292 if (!is_error(ret)) {
53a5960a
PB		 2293 tput32(arg1, host_pipe[0]);
2294 tput32(arg1 + 4, host_pipe[1]);
31e31b8a
FB		 2295 }
2296 }
2297 break;
2298 case TARGET_NR_times:
32f36bce 2299 {
53a5960a 2300 struct target_tms *tmsp;
32f36bce
FB		 2301 struct tms tms;
2302 ret = get_errno(times(&tms));
53a5960a
PB		 2303 if (arg1) {
2304 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 2305 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2306 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2307 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2308 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 2309 }
c596ed17
FB		 2310 if (!is_error(ret))
2311 ret = host_to_target_clock_t(ret);
32f36bce
FB		 2312 }
2313 break;
ebc05488 2314#ifdef TARGET_NR_prof
31e31b8a
FB		 2315 case TARGET_NR_prof:
2316 goto unimplemented;
ebc05488 2317#endif
31e31b8a
FB		 2318 case TARGET_NR_signal:
2319 goto unimplemented;
67867308 2320
31e31b8a 2321 case TARGET_NR_acct:
24836689
PB		 2322 p = lock_user_string(arg1);
2323 ret = get_errno(acct(path(p)));
2324 unlock_user(p, arg1, 0);
2325 break;
31e31b8a 2326 case TARGET_NR_umount2:
53a5960a
PB		 2327 p = lock_user_string(arg1);
2328 ret = get_errno(umount2(p, arg2));
2329 unlock_user(p, arg1, 0);
31e31b8a 2330 break;
ebc05488 2331#ifdef TARGET_NR_lock
31e31b8a
FB		 2332 case TARGET_NR_lock:
2333 goto unimplemented;
ebc05488 2334#endif
31e31b8a
FB		 2335 case TARGET_NR_ioctl:
2336 ret = do_ioctl(arg1, arg2, arg3);
2337 break;
2338 case TARGET_NR_fcntl:
7775e9ec 2339 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 2340 break;
ebc05488 2341#ifdef TARGET_NR_mpx
31e31b8a
FB		 2342 case TARGET_NR_mpx:
2343 goto unimplemented;
ebc05488 2344#endif
31e31b8a
FB		 2345 case TARGET_NR_setpgid:
2346 ret = get_errno(setpgid(arg1, arg2));
2347 break;
ebc05488 2348#ifdef TARGET_NR_ulimit
31e31b8a
FB		 2349 case TARGET_NR_ulimit:
2350 goto unimplemented;
ebc05488
FB		 2351#endif
2352#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 2353 case TARGET_NR_oldolduname:
2354 goto unimplemented;
ebc05488 2355#endif
31e31b8a
FB		 2356 case TARGET_NR_umask:
2357 ret = get_errno(umask(arg1));
2358 break;
2359 case TARGET_NR_chroot:
53a5960a
PB		 2360 p = lock_user_string(arg1);
2361 ret = get_errno(chroot(p));
2362 unlock_user(p, arg1, 0);
31e31b8a
FB		 2363 break;
2364 case TARGET_NR_ustat:
2365 goto unimplemented;
2366 case TARGET_NR_dup2:
2367 ret = get_errno(dup2(arg1, arg2));
2368 break;
2369 case TARGET_NR_getppid:
2370 ret = get_errno(getppid());
2371 break;
2372 case TARGET_NR_getpgrp:
2373 ret = get_errno(getpgrp());
2374 break;
2375 case TARGET_NR_setsid:
2376 ret = get_errno(setsid());
2377 break;
2378 case TARGET_NR_sigaction:
31e31b8a 2379 {
106ec879 2380 #if !defined(TARGET_MIPS)
53a5960a 2381 struct target_old_sigaction *old_act;
66fb9763 2382 struct target_sigaction act, oact, *pact;
53a5960a
PB		 2383 if (arg2) {
2384 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 2385 act._sa_handler = old_act->_sa_handler;
2386 target_siginitset(&act.sa_mask, old_act->sa_mask);
2387 act.sa_flags = old_act->sa_flags;
2388 act.sa_restorer = old_act->sa_restorer;
53a5960a 2389 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 2390 pact = &act;
2391 } else {
2392 pact = NULL;
2393 }
2394 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 2395 if (!is_error(ret) && arg3) {
2396 lock_user_struct(old_act, arg3, 0);
2397 old_act->_sa_handler = oact._sa_handler;
2398 old_act->sa_mask = oact.sa_mask.sig[0];
2399 old_act->sa_flags = oact.sa_flags;
2400 old_act->sa_restorer = oact.sa_restorer;
2401 unlock_user_struct(old_act, arg3, 1);
66fb9763 2402 }
106ec879
FB		 2403 #else
2404 struct target_sigaction act, oact, *pact, *old_act;
2405
2406 if (arg2) {
2407 lock_user_struct(old_act, arg2, 1);
2408 act._sa_handler = old_act->_sa_handler;
2409 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2410 act.sa_flags = old_act->sa_flags;
2411 unlock_user_struct(old_act, arg2, 0);
2412 pact = &act;
2413 } else {
2414 pact = NULL;
2415 }
2416
2417 ret = get_errno(do_sigaction(arg1, pact, &oact));
2418
2419 if (!is_error(ret) && arg3) {
2420 lock_user_struct(old_act, arg3, 0);
2421 old_act->_sa_handler = oact._sa_handler;
2422 old_act->sa_flags = oact.sa_flags;
2423 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2424 old_act->sa_mask.sig[1] = 0;
2425 old_act->sa_mask.sig[2] = 0;
2426 old_act->sa_mask.sig[3] = 0;
2427 unlock_user_struct(old_act, arg3, 1);
2428 }
2429 #endif
31e31b8a
FB		 2430 }
2431 break;
66fb9763 2432 case TARGET_NR_rt_sigaction:
53a5960a
PB		 2433 {
2434 struct target_sigaction *act;
2435 struct target_sigaction *oact;
2436
2437 if (arg2)
2438 lock_user_struct(act, arg2, 1);
2439 else
2440 act = NULL;
2441 if (arg3)
2442 lock_user_struct(oact, arg3, 0);
2443 else
2444 oact = NULL;
2445 ret = get_errno(do_sigaction(arg1, act, oact));
2446 if (arg2)
2447 unlock_user_struct(act, arg2, 0);
2448 if (arg3)
2449 unlock_user_struct(oact, arg3, 1);
2450 }
66fb9763 2451 break;
31e31b8a 2452 case TARGET_NR_sgetmask:
66fb9763
FB		 2453 {
2454 sigset_t cur_set;
2455 target_ulong target_set;
2456 sigprocmask(0, NULL, &cur_set);
2457 host_to_target_old_sigset(&target_set, &cur_set);
2458 ret = target_set;
2459 }
2460 break;
31e31b8a 2461 case TARGET_NR_ssetmask:
66fb9763
FB		 2462 {
2463 sigset_t set, oset, cur_set;
2464 target_ulong target_set = arg1;
2465 sigprocmask(0, NULL, &cur_set);
2466 target_to_host_old_sigset(&set, &target_set);
2467 sigorset(&set, &set, &cur_set);
2468 sigprocmask(SIG_SETMASK, &set, &oset);
2469 host_to_target_old_sigset(&target_set, &oset);
2470 ret = target_set;
2471 }
2472 break;
2473 case TARGET_NR_sigprocmask:
2474 {
2475 int how = arg1;
2476 sigset_t set, oldset, *set_ptr;
66fb9763 2477
53a5960a 2478 if (arg2) {
66fb9763
FB		 2479 switch(how) {
2480 case TARGET_SIG_BLOCK:
2481 how = SIG_BLOCK;
2482 break;
2483 case TARGET_SIG_UNBLOCK:
2484 how = SIG_UNBLOCK;
2485 break;
2486 case TARGET_SIG_SETMASK:
2487 how = SIG_SETMASK;
2488 break;
2489 default:
2490 ret = -EINVAL;
2491 goto fail;
2492 }
53a5960a
PB		 2493 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2494 target_to_host_old_sigset(&set, p);
2495 unlock_user(p, arg2, 0);
66fb9763
FB		 2496 set_ptr = &set;
2497 } else {
2498 how = 0;
2499 set_ptr = NULL;
2500 }
2501 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 2502 if (!is_error(ret) && arg3) {
2503 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2504 host_to_target_old_sigset(p, &oldset);
2505 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2506 }
2507 }
2508 break;
2509 case TARGET_NR_rt_sigprocmask:
2510 {
2511 int how = arg1;
2512 sigset_t set, oldset, *set_ptr;
66fb9763 2513
53a5960a 2514 if (arg2) {
66fb9763
FB		 2515 switch(how) {
2516 case TARGET_SIG_BLOCK:
2517 how = SIG_BLOCK;
2518 break;
2519 case TARGET_SIG_UNBLOCK:
2520 how = SIG_UNBLOCK;
2521 break;
2522 case TARGET_SIG_SETMASK:
2523 how = SIG_SETMASK;
2524 break;
2525 default:
2526 ret = -EINVAL;
2527 goto fail;
2528 }
53a5960a
PB		 2529 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2530 target_to_host_sigset(&set, p);
2531 unlock_user(p, arg2, 0);
66fb9763
FB		 2532 set_ptr = &set;
2533 } else {
2534 how = 0;
2535 set_ptr = NULL;
2536 }
2537 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 2538 if (!is_error(ret) && arg3) {
2539 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2540 host_to_target_sigset(p, &oldset);
2541 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2542 }
2543 }
2544 break;
2545 case TARGET_NR_sigpending:
2546 {
2547 sigset_t set;
2548 ret = get_errno(sigpending(&set));
2549 if (!is_error(ret)) {
53a5960a
PB		 2550 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2551 host_to_target_old_sigset(p, &set);
2552 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2553 }
2554 }
2555 break;
2556 case TARGET_NR_rt_sigpending:
2557 {
2558 sigset_t set;
2559 ret = get_errno(sigpending(&set));
2560 if (!is_error(ret)) {
53a5960a
PB		 2561 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2562 host_to_target_sigset(p, &set);
2563 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2564 }
2565 }
2566 break;
2567 case TARGET_NR_sigsuspend:
2568 {
2569 sigset_t set;
53a5960a
PB		 2570 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2571 target_to_host_old_sigset(&set, p);
2572 unlock_user(p, arg1, 0);
66fb9763
FB		 2573 ret = get_errno(sigsuspend(&set));
2574 }
2575 break;
2576 case TARGET_NR_rt_sigsuspend:
2577 {
2578 sigset_t set;
53a5960a
PB		 2579 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2580 target_to_host_sigset(&set, p);
2581 unlock_user(p, arg1, 0);
66fb9763
FB		 2582 ret = get_errno(sigsuspend(&set));
2583 }
2584 break;
2585 case TARGET_NR_rt_sigtimedwait:
2586 {
66fb9763
FB		 2587 sigset_t set;
2588 struct timespec uts, *puts;
2589 siginfo_t uinfo;
2590
53a5960a
PB		 2591 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2592 target_to_host_sigset(&set, p);
2593 unlock_user(p, arg1, 0);
2594 if (arg3) {
66fb9763 2595 puts = &uts;
53a5960a 2596 target_to_host_timespec(puts, arg3);
66fb9763
FB		 2597 } else {
2598 puts = NULL;
2599 }
2600 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 2601 if (!is_error(ret) && arg2) {
2602 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2603 host_to_target_siginfo(p, &uinfo);
2604 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 2605 }
2606 }
2607 break;
2608 case TARGET_NR_rt_sigqueueinfo:
2609 {
2610 siginfo_t uinfo;
53a5960a
PB		 2611 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2612 target_to_host_siginfo(&uinfo, p);
2613 unlock_user(p, arg1, 0);
66fb9763
FB		 2614 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2615 }
2616 break;
2617 case TARGET_NR_sigreturn:
2618 /* NOTE: ret is eax, so not transcoding must be done */
2619 ret = do_sigreturn(cpu_env);
2620 break;
2621 case TARGET_NR_rt_sigreturn:
2622 /* NOTE: ret is eax, so not transcoding must be done */
2623 ret = do_rt_sigreturn(cpu_env);
2624 break;
31e31b8a 2625 case TARGET_NR_sethostname:
53a5960a
PB		 2626 p = lock_user_string(arg1);
2627 ret = get_errno(sethostname(p, arg2));
2628 unlock_user(p, arg1, 0);
31e31b8a
FB		 2629 break;
2630 case TARGET_NR_setrlimit:
9de5e440
FB		 2631 {
2632 /* XXX: convert resource ? */
2633 int resource = arg1;
53a5960a 2634 struct target_rlimit *target_rlim;
9de5e440 2635 struct rlimit rlim;
53a5960a 2636 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2637 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2638 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 2639 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 2640 ret = get_errno(setrlimit(resource, &rlim));
2641 }
2642 break;
31e31b8a 2643 case TARGET_NR_getrlimit:
9de5e440
FB		 2644 {
2645 /* XXX: convert resource ? */
2646 int resource = arg1;
53a5960a 2647 struct target_rlimit *target_rlim;
9de5e440
FB		 2648 struct rlimit rlim;
2649
2650 ret = get_errno(getrlimit(resource, &rlim));
2651 if (!is_error(ret)) {
53a5960a
PB		 2652 lock_user_struct(target_rlim, arg2, 0);
2653 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2654 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2655 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2656 }
2657 }
2658 break;
31e31b8a 2659 case TARGET_NR_getrusage:
b409186b
FB		 2660 {
2661 struct rusage rusage;
b409186b
FB		 2662 ret = get_errno(getrusage(arg1, &rusage));
2663 if (!is_error(ret)) {
53a5960a 2664 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 2665 }
2666 }
2667 break;
31e31b8a
FB		 2668 case TARGET_NR_gettimeofday:
2669 {
31e31b8a
FB		 2670 struct timeval tv;
2671 ret = get_errno(gettimeofday(&tv, NULL));
2672 if (!is_error(ret)) {
53a5960a 2673 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 2674 }
2675 }
2676 break;
2677 case TARGET_NR_settimeofday:
2678 {
31e31b8a 2679 struct timeval tv;
53a5960a 2680 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 2681 ret = get_errno(settimeofday(&tv, NULL));
2682 }
2683 break;
048f6b4d 2684#ifdef TARGET_NR_select
31e31b8a 2685 case TARGET_NR_select:
f2674e31 2686 {
53a5960a
PB		 2687 struct target_sel_arg_struct *sel;
2688 target_ulong inp, outp, exp, tvp;
2689 long nsel;
2690
2691 lock_user_struct(sel, arg1, 1);
2692 nsel = tswapl(sel->n);
2693 inp = tswapl(sel->inp);
2694 outp = tswapl(sel->outp);
2695 exp = tswapl(sel->exp);
2696 tvp = tswapl(sel->tvp);
2697 unlock_user_struct(sel, arg1, 0);
2698 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 2699 }
2700 break;
048f6b4d 2701#endif
31e31b8a 2702 case TARGET_NR_symlink:
53a5960a
PB		 2703 {
2704 void *p2;
2705 p = lock_user_string(arg1);
2706 p2 = lock_user_string(arg2);
2707 ret = get_errno(symlink(p, p2));
2708 unlock_user(p2, arg2, 0);
2709 unlock_user(p, arg1, 0);
2710 }
31e31b8a 2711 break;
ebc05488 2712#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 2713 case TARGET_NR_oldlstat:
2714 goto unimplemented;
ebc05488 2715#endif
31e31b8a 2716 case TARGET_NR_readlink:
53a5960a
PB		 2717 {
2718 void *p2;
2719 p = lock_user_string(arg1);
2720 p2 = lock_user(arg2, arg3, 0);
2721 ret = get_errno(readlink(path(p), p2, arg3));
2722 unlock_user(p2, arg2, ret);
2723 unlock_user(p, arg1, 0);
2724 }
31e31b8a
FB		 2725 break;
2726 case TARGET_NR_uselib:
2727 goto unimplemented;
2728 case TARGET_NR_swapon:
53a5960a
PB		 2729 p = lock_user_string(arg1);
2730 ret = get_errno(swapon(p, arg2));
2731 unlock_user(p, arg1, 0);
31e31b8a
FB		 2732 break;
2733 case TARGET_NR_reboot:
2734 goto unimplemented;
2735 case TARGET_NR_readdir:
2736 goto unimplemented;
31e31b8a 2737 case TARGET_NR_mmap:
e6e5906b 2738#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
31e31b8a 2739 {
53a5960a
PB		 2740 target_ulong *v;
2741 target_ulong v1, v2, v3, v4, v5, v6;
2742 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2743 v1 = tswapl(v[0]);
2744 v2 = tswapl(v[1]);
2745 v3 = tswapl(v[2]);
2746 v4 = tswapl(v[3]);
2747 v5 = tswapl(v[4]);
2748 v6 = tswapl(v[5]);
2749 unlock_user(v, arg1, 0);
5286db75
FB		 2750 ret = get_errno(target_mmap(v1, v2, v3,
2751 target_to_host_bitmask(v4, mmap_flags_tbl),
2752 v5, v6));
31e31b8a 2753 }
31e31b8a 2754#else
6fb883e8
FB		 2755 ret = get_errno(target_mmap(arg1, arg2, arg3,
2756 target_to_host_bitmask(arg4, mmap_flags_tbl),
2757 arg5,
2758 arg6));
31e31b8a 2759#endif
6fb883e8 2760 break;
a315a145 2761#ifdef TARGET_NR_mmap2
6fb883e8 2762 case TARGET_NR_mmap2:
0d3267a7 2763#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 2764#define MMAP_SHIFT 12
2765#else
2766#define MMAP_SHIFT TARGET_PAGE_BITS
2767#endif
5286db75
FB		 2768 ret = get_errno(target_mmap(arg1, arg2, arg3,
2769 target_to_host_bitmask(arg4, mmap_flags_tbl),
2770 arg5,
c573ff67 2771 arg6 << MMAP_SHIFT));
31e31b8a 2772 break;
a315a145 2773#endif
31e31b8a 2774 case TARGET_NR_munmap:
54936004 2775 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 2776 break;
9de5e440 2777 case TARGET_NR_mprotect:
54936004 2778 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440
FB		 2779 break;
2780 case TARGET_NR_mremap:
54936004 2781 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 2782 break;
53a5960a 2783 /* ??? msync/mlock/munlock are broken for softmmu. */
9de5e440 2784 case TARGET_NR_msync:
53a5960a 2785 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440
FB		 2786 break;
2787 case TARGET_NR_mlock:
53a5960a 2788 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440
FB		 2789 break;
2790 case TARGET_NR_munlock:
53a5960a 2791 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440
FB		 2792 break;
2793 case TARGET_NR_mlockall:
2794 ret = get_errno(mlockall(arg1));
2795 break;
2796 case TARGET_NR_munlockall:
2797 ret = get_errno(munlockall());
2798 break;
31e31b8a 2799 case TARGET_NR_truncate:
53a5960a
PB		 2800 p = lock_user_string(arg1);
2801 ret = get_errno(truncate(p, arg2));
2802 unlock_user(p, arg1, 0);
31e31b8a
FB		 2803 break;
2804 case TARGET_NR_ftruncate:
2805 ret = get_errno(ftruncate(arg1, arg2));
2806 break;
2807 case TARGET_NR_fchmod:
2808 ret = get_errno(fchmod(arg1, arg2));
2809 break;
31e31b8a
FB		 2810 case TARGET_NR_getpriority:
2811 ret = get_errno(getpriority(arg1, arg2));
2812 break;
2813 case TARGET_NR_setpriority:
2814 ret = get_errno(setpriority(arg1, arg2, arg3));
2815 break;
ebc05488 2816#ifdef TARGET_NR_profil
31e31b8a
FB		 2817 case TARGET_NR_profil:
2818 goto unimplemented;
ebc05488 2819#endif
31e31b8a 2820 case TARGET_NR_statfs:
53a5960a
PB		 2821 p = lock_user_string(arg1);
2822 ret = get_errno(statfs(path(p), &stfs));
2823 unlock_user(p, arg1, 0);
31e31b8a
FB		 2824 convert_statfs:
2825 if (!is_error(ret)) {
53a5960a 2826 struct target_statfs *target_stfs;
56c8f68f 2827
53a5960a
PB		 2828 lock_user_struct(target_stfs, arg2, 0);
2829 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2830 put_user(stfs.f_type, &target_stfs->f_type);
2831 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2832 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2833 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2834 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2835 put_user(stfs.f_files, &target_stfs->f_files);
2836 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2837 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2838 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2839 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 2840 }
2841 break;
2842 case TARGET_NR_fstatfs:
56c8f68f 2843 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 2844 goto convert_statfs;
56c8f68f
FB		 2845#ifdef TARGET_NR_statfs64
2846 case TARGET_NR_statfs64:
53a5960a
PB		 2847 p = lock_user_string(arg1);
2848 ret = get_errno(statfs(path(p), &stfs));
2849 unlock_user(p, arg1, 0);
56c8f68f
FB		 2850 convert_statfs64:
2851 if (!is_error(ret)) {
53a5960a
PB		 2852 struct target_statfs64 *target_stfs;
2853
2854 lock_user_struct(target_stfs, arg3, 0);
2855 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2856 put_user(stfs.f_type, &target_stfs->f_type);
2857 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2858 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2859 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2860 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2861 put_user(stfs.f_files, &target_stfs->f_files);
2862 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2863 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2864 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2865 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 2866 }
2867 break;
2868 case TARGET_NR_fstatfs64:
2869 ret = get_errno(fstatfs(arg1, &stfs));
2870 goto convert_statfs64;
2871#endif
ebc05488 2872#ifdef TARGET_NR_ioperm
31e31b8a
FB		 2873 case TARGET_NR_ioperm:
2874 goto unimplemented;
ebc05488 2875#endif
31e31b8a 2876 case TARGET_NR_socketcall:
53a5960a 2877 ret = do_socketcall(arg1, arg2);
31e31b8a 2878 break;
3532fa74
FB		 2879
2880#ifdef TARGET_NR_accept
2881 case TARGET_NR_accept:
1be9e1dc 2882 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 2883 break;
2884#endif
2885#ifdef TARGET_NR_bind
2886 case TARGET_NR_bind:
2887 ret = do_bind(arg1, arg2, arg3);
2888 break;
2889#endif
2890#ifdef TARGET_NR_connect
2891 case TARGET_NR_connect:
2892 ret = do_connect(arg1, arg2, arg3);
2893 break;
2894#endif
2895#ifdef TARGET_NR_getpeername
2896 case TARGET_NR_getpeername:
1be9e1dc 2897 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 2898 break;
2899#endif
2900#ifdef TARGET_NR_getsockname
2901 case TARGET_NR_getsockname:
1be9e1dc 2902 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 2903 break;
2904#endif
2905#ifdef TARGET_NR_getsockopt
2906 case TARGET_NR_getsockopt:
2907 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2908 break;
2909#endif
2910#ifdef TARGET_NR_listen
2911 case TARGET_NR_listen:
1be9e1dc 2912 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 2913 break;
2914#endif
2915#ifdef TARGET_NR_recv
2916 case TARGET_NR_recv:
214201bd 2917 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 2918 break;
2919#endif
2920#ifdef TARGET_NR_recvfrom
2921 case TARGET_NR_recvfrom:
214201bd 2922 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 2923 break;
2924#endif
2925#ifdef TARGET_NR_recvmsg
2926 case TARGET_NR_recvmsg:
2927 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
2928 break;
2929#endif
2930#ifdef TARGET_NR_send
2931 case TARGET_NR_send:
1be9e1dc 2932 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 2933 break;
2934#endif
2935#ifdef TARGET_NR_sendmsg
2936 case TARGET_NR_sendmsg:
2937 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
2938 break;
2939#endif
2940#ifdef TARGET_NR_sendto
2941 case TARGET_NR_sendto:
1be9e1dc 2942 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 2943 break;
2944#endif
2945#ifdef TARGET_NR_shutdown
2946 case TARGET_NR_shutdown:
1be9e1dc 2947 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 2948 break;
2949#endif
2950#ifdef TARGET_NR_socket
2951 case TARGET_NR_socket:
2952 ret = do_socket(arg1, arg2, arg3);
2953 break;
2954#endif
2955#ifdef TARGET_NR_socketpair
2956 case TARGET_NR_socketpair:
1be9e1dc 2957 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 2958 break;
2959#endif
2960#ifdef TARGET_NR_setsockopt
2961 case TARGET_NR_setsockopt:
2962 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
2963 break;
2964#endif
7494b0f9 2965
31e31b8a 2966 case TARGET_NR_syslog:
e5574487
TS		 2967 p = lock_user_string(arg2);
2968 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
2969 unlock_user(p, arg2, 0);
7494b0f9
TS		 2970 break;
2971
31e31b8a 2972 case TARGET_NR_setitimer:
66fb9763 2973 {
66fb9763
FB		 2974 struct itimerval value, ovalue, *pvalue;
2975
53a5960a 2976 if (arg2) {
66fb9763
FB		 2977 pvalue = &value;
2978 target_to_host_timeval(&pvalue->it_interval,
53a5960a 2979 arg2);
66fb9763 2980 target_to_host_timeval(&pvalue->it_value,
53a5960a 2981 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 2982 } else {
2983 pvalue = NULL;
2984 }
2985 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 2986 if (!is_error(ret) && arg3) {
2987 host_to_target_timeval(arg3,
66fb9763 2988 &ovalue.it_interval);
53a5960a 2989 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 2990 &ovalue.it_value);
2991 }
2992 }
2993 break;
31e31b8a 2994 case TARGET_NR_getitimer:
66fb9763 2995 {
66fb9763
FB		 2996 struct itimerval value;
2997
2998 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 2999 if (!is_error(ret) && arg2) {
3000 host_to_target_timeval(arg2,
66fb9763 3001 &value.it_interval);
53a5960a 3002 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 3003 &value.it_value);
3004 }
3005 }
3006 break;
31e31b8a 3007 case TARGET_NR_stat:
53a5960a
PB		 3008 p = lock_user_string(arg1);
3009 ret = get_errno(stat(path(p), &st));
3010 unlock_user(p, arg1, 0);
31e31b8a
FB		 3011 goto do_stat;
3012 case TARGET_NR_lstat:
53a5960a
PB		 3013 p = lock_user_string(arg1);
3014 ret = get_errno(lstat(path(p), &st));
3015 unlock_user(p, arg1, 0);
31e31b8a
FB		 3016 goto do_stat;
3017 case TARGET_NR_fstat:
3018 {
3019 ret = get_errno(fstat(arg1, &st));
3020 do_stat:
3021 if (!is_error(ret)) {
53a5960a
PB		 3022 struct target_stat *target_st;
3023
3024 lock_user_struct(target_st, arg2, 0);
31e31b8a
FB		 3025 target_st->st_dev = tswap16(st.st_dev);
3026 target_st->st_ino = tswapl(st.st_ino);
7d600c80 3027#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 3028 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3029 target_st->st_uid = tswap32(st.st_uid);
3030 target_st->st_gid = tswap32(st.st_gid);
3031#else
ec86b0fb 3032 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 3033 target_st->st_uid = tswap16(st.st_uid);
3034 target_st->st_gid = tswap16(st.st_gid);
67867308
FB		 3035#endif
3036 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a
FB		 3037 target_st->st_rdev = tswap16(st.st_rdev);
3038 target_st->st_size = tswapl(st.st_size);
3039 target_st->st_blksize = tswapl(st.st_blksize);
3040 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 3041 target_st->target_st_atime = tswapl(st.st_atime);
3042 target_st->target_st_mtime = tswapl(st.st_mtime);
3043 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 3044 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 3045 }
3046 }
3047 break;
ebc05488 3048#ifdef TARGET_NR_olduname
31e31b8a
FB		 3049 case TARGET_NR_olduname:
3050 goto unimplemented;
ebc05488
FB		 3051#endif
3052#ifdef TARGET_NR_iopl
31e31b8a
FB		 3053 case TARGET_NR_iopl:
3054 goto unimplemented;
ebc05488 3055#endif
31e31b8a
FB		 3056 case TARGET_NR_vhangup:
3057 ret = get_errno(vhangup());
3058 break;
ebc05488 3059#ifdef TARGET_NR_idle
31e31b8a
FB		 3060 case TARGET_NR_idle:
3061 goto unimplemented;
42ad6ae9
FB		 3062#endif
3063#ifdef TARGET_NR_syscall
3064 case TARGET_NR_syscall:
3065 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3066 break;
ebc05488 3067#endif
31e31b8a
FB		 3068 case TARGET_NR_wait4:
3069 {
3070 int status;
53a5960a 3071 target_long status_ptr = arg2;
31e31b8a 3072 struct rusage rusage, *rusage_ptr;
53a5960a 3073 target_ulong target_rusage = arg4;
31e31b8a
FB		 3074 if (target_rusage)
3075 rusage_ptr = &rusage;
3076 else
3077 rusage_ptr = NULL;
3078 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3079 if (!is_error(ret)) {
3080 if (status_ptr)
53a5960a 3081 tputl(status_ptr, status);
31e31b8a 3082 if (target_rusage) {
b409186b 3083 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 3084 }
3085 }
3086 }
3087 break;
3088 case TARGET_NR_swapoff:
53a5960a
PB		 3089 p = lock_user_string(arg1);
3090 ret = get_errno(swapoff(p));
3091 unlock_user(p, arg1, 0);
31e31b8a
FB		 3092 break;
3093 case TARGET_NR_sysinfo:
a5448a7d 3094 {
53a5960a 3095 struct target_sysinfo *target_value;
a5448a7d
FB		 3096 struct sysinfo value;
3097 ret = get_errno(sysinfo(&value));
53a5960a 3098 if (!is_error(ret) && arg1)
a5448a7d 3099 {
53a5960a
PB		 3100 /* ??? __put_user is probably wrong. */
3101 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3102 __put_user(value.uptime, &target_value->uptime);
3103 __put_user(value.loads[0], &target_value->loads[0]);
3104 __put_user(value.loads[1], &target_value->loads[1]);
3105 __put_user(value.loads[2], &target_value->loads[2]);
3106 __put_user(value.totalram, &target_value->totalram);
3107 __put_user(value.freeram, &target_value->freeram);
3108 __put_user(value.sharedram, &target_value->sharedram);
3109 __put_user(value.bufferram, &target_value->bufferram);
3110 __put_user(value.totalswap, &target_value->totalswap);
3111 __put_user(value.freeswap, &target_value->freeswap);
3112 __put_user(value.procs, &target_value->procs);
3113 __put_user(value.totalhigh, &target_value->totalhigh);
3114 __put_user(value.freehigh, &target_value->freehigh);
3115 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 3116 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 3117 }
3118 }
3119 break;
31e31b8a 3120 case TARGET_NR_ipc:
8853f86e
FB		 3121 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3122 break;
31e31b8a
FB		 3123 case TARGET_NR_fsync:
3124 ret = get_errno(fsync(arg1));
3125 break;
31e31b8a 3126 case TARGET_NR_clone:
1b6b029e
FB		 3127 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3128 break;
ec86b0fb
FB		 3129#ifdef __NR_exit_group
3130 /* new thread calls */
3131 case TARGET_NR_exit_group:
e9009676 3132 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 3133 ret = get_errno(exit_group(arg1));
3134 break;
3135#endif
31e31b8a 3136 case TARGET_NR_setdomainname:
53a5960a
PB		 3137 p = lock_user_string(arg1);
3138 ret = get_errno(setdomainname(p, arg2));
3139 unlock_user(p, arg1, 0);
31e31b8a
FB		 3140 break;
3141 case TARGET_NR_uname:
3142 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 3143 {
3144 struct new_utsname * buf;
3145
53a5960a 3146 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 3147 ret = get_errno(sys_uname(buf));
3148 if (!is_error(ret)) {
3149 /* Overrite the native machine name with whatever is being
3150 emulated. */
3151 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 3152 /* Allow the user to override the reported release. */
3153 if (qemu_uname_release && *qemu_uname_release)
3154 strcpy (buf->release, qemu_uname_release);
29e619b1 3155 }
53a5960a 3156 unlock_user_struct(buf, arg1, 1);
29e619b1 3157 }
31e31b8a 3158 break;
6dbad63e 3159#ifdef TARGET_I386
31e31b8a 3160 case TARGET_NR_modify_ldt:
53a5960a 3161 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b
FB		 3162 break;
3163 case TARGET_NR_vm86old:
3164 goto unimplemented;
3165 case TARGET_NR_vm86:
53a5960a 3166 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e
FB		 3167 break;
3168#endif
31e31b8a
FB		 3169 case TARGET_NR_adjtimex:
3170 goto unimplemented;
31e31b8a
FB		 3171 case TARGET_NR_create_module:
3172 case TARGET_NR_init_module:
3173 case TARGET_NR_delete_module:
3174 case TARGET_NR_get_kernel_syms:
3175 goto unimplemented;
3176 case TARGET_NR_quotactl:
3177 goto unimplemented;
3178 case TARGET_NR_getpgid:
3179 ret = get_errno(getpgid(arg1));
3180 break;
3181 case TARGET_NR_fchdir:
3182 ret = get_errno(fchdir(arg1));
3183 break;
3184 case TARGET_NR_bdflush:
3185 goto unimplemented;
3186 case TARGET_NR_sysfs:
3187 goto unimplemented;
3188 case TARGET_NR_personality:
1b6b029e 3189 ret = get_errno(personality(arg1));
31e31b8a
FB		 3190 break;
3191 case TARGET_NR_afs_syscall:
3192 goto unimplemented;
31e31b8a
FB		 3193 case TARGET_NR__llseek:
3194 {
4f2ac237
FB		 3195#if defined (__x86_64__)
3196 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 3197 tput64(arg4, ret);
4f2ac237 3198#else
31e31b8a
FB		 3199 int64_t res;
3200 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 3201 tput64(arg4, res);
4f2ac237 3202#endif
31e31b8a
FB		 3203 }
3204 break;
3205 case TARGET_NR_getdents:
3206#if TARGET_LONG_SIZE != 4
53a5960a 3207 goto unimplemented;
a315a145 3208#warning not supported
4add45b4
FB		 3209#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3210 {
53a5960a 3211 struct target_dirent *target_dirp;
4add45b4
FB		 3212 struct dirent *dirp;
3213 long count = arg3;
3214
3215 dirp = malloc(count);
3216 if (!dirp)
3217 return -ENOMEM;
3218
3219 ret = get_errno(sys_getdents(arg1, dirp, count));
3220 if (!is_error(ret)) {
3221 struct dirent *de;
3222 struct target_dirent *tde;
3223 int len = ret;
3224 int reclen, treclen;
3225 int count1, tnamelen;
3226
3227 count1 = 0;
3228 de = dirp;
53a5960a 3229 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 3230 tde = target_dirp;
3231 while (len > 0) {
3232 reclen = de->d_reclen;
3233 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3234 tde->d_reclen = tswap16(treclen);
3235 tde->d_ino = tswapl(de->d_ino);
3236 tde->d_off = tswapl(de->d_off);
3237 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3238 if (tnamelen > 256)
3239 tnamelen = 256;
80a9d035 3240 /* XXX: may not be correct */
4add45b4
FB		 3241 strncpy(tde->d_name, de->d_name, tnamelen);
3242 de = (struct dirent *)((char *)de + reclen);
3243 len -= reclen;
3244 tde = (struct dirent *)((char *)tde + treclen);
3245 count1 += treclen;
3246 }
3247 ret = count1;
3248 }
53a5960a 3249 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 3250 free(dirp);
3251 }
3252#else
31e31b8a 3253 {
53a5960a 3254 struct dirent *dirp;
31e31b8a 3255 long count = arg3;
dab2ed99 3256
53a5960a 3257 dirp = lock_user(arg2, count, 0);
72f03900 3258 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 3259 if (!is_error(ret)) {
3260 struct dirent *de;
3261 int len = ret;
3262 int reclen;
3263 de = dirp;
3264 while (len > 0) {
8083a3e5 3265 reclen = de->d_reclen;
31e31b8a
FB		 3266 if (reclen > len)
3267 break;
8083a3e5 3268 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 3269 tswapls(&de->d_ino);
3270 tswapls(&de->d_off);
3271 de = (struct dirent *)((char *)de + reclen);
3272 len -= reclen;
3273 }
3274 }
53a5960a 3275 unlock_user(dirp, arg2, ret);
31e31b8a 3276 }
4add45b4 3277#endif
31e31b8a 3278 break;
a541f297 3279#ifdef TARGET_NR_getdents64
dab2ed99
FB		 3280 case TARGET_NR_getdents64:
3281 {
53a5960a 3282 struct dirent64 *dirp;
dab2ed99 3283 long count = arg3;
53a5960a 3284 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 3285 ret = get_errno(sys_getdents64(arg1, dirp, count));
3286 if (!is_error(ret)) {
3287 struct dirent64 *de;
3288 int len = ret;
3289 int reclen;
3290 de = dirp;
3291 while (len > 0) {
8083a3e5 3292 reclen = de->d_reclen;
dab2ed99
FB		 3293 if (reclen > len)
3294 break;
8083a3e5 3295 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 3296 tswap64s(&de->d_ino);
3297 tswap64s(&de->d_off);
3298 de = (struct dirent64 *)((char *)de + reclen);
3299 len -= reclen;
3300 }
3301 }
53a5960a 3302 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 3303 }
3304 break;
a541f297 3305#endif /* TARGET_NR_getdents64 */
31e31b8a 3306 case TARGET_NR__newselect:
53a5960a 3307 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 3308 break;
9de5e440
FB		 3309 case TARGET_NR_poll:
3310 {
53a5960a 3311 struct target_pollfd *target_pfd;
9de5e440
FB		 3312 unsigned int nfds = arg2;
3313 int timeout = arg3;
3314 struct pollfd *pfd;
7854b056 3315 unsigned int i;
9de5e440 3316
53a5960a 3317 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 3318 pfd = alloca(sizeof(struct pollfd) * nfds);
3319 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 3320 pfd[i].fd = tswap32(target_pfd[i].fd);
3321 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 3322 }
3323 ret = get_errno(poll(pfd, nfds, timeout));
3324 if (!is_error(ret)) {
3325 for(i = 0; i < nfds; i++) {
5cd4393b 3326 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 3327 }
53a5960a
PB		 3328 ret += nfds * (sizeof(struct target_pollfd)
3329 - sizeof(struct pollfd));
9de5e440 3330 }
53a5960a 3331 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 3332 }
3333 break;
31e31b8a 3334 case TARGET_NR_flock:
9de5e440
FB		 3335 /* NOTE: the flock constant seems to be the same for every
3336 Linux platform */
3337 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 3338 break;
3339 case TARGET_NR_readv:
3340 {
3341 int count = arg3;
31e31b8a 3342 struct iovec *vec;
31e31b8a
FB		 3343
3344 vec = alloca(count * sizeof(struct iovec));
53a5960a 3345 lock_iovec(vec, arg2, count, 0);
31e31b8a 3346 ret = get_errno(readv(arg1, vec, count));
53a5960a 3347 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 3348 }
3349 break;
3350 case TARGET_NR_writev:
3351 {
3352 int count = arg3;
31e31b8a 3353 struct iovec *vec;
31e31b8a
FB		 3354
3355 vec = alloca(count * sizeof(struct iovec));
53a5960a 3356 lock_iovec(vec, arg2, count, 1);
31e31b8a 3357 ret = get_errno(writev(arg1, vec, count));
53a5960a 3358 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 3359 }
3360 break;
3361 case TARGET_NR_getsid:
3362 ret = get_errno(getsid(arg1));
3363 break;
3364 case TARGET_NR_fdatasync:
5cd4393b
FB		 3365 ret = get_errno(fdatasync(arg1));
3366 break;
31e31b8a 3367 case TARGET_NR__sysctl:
29e619b1
FB		 3368 /* We don't implement this, but ENODIR is always a safe
3369 return value. */
3370 return -ENOTDIR;
31e31b8a 3371 case TARGET_NR_sched_setparam:
5cd4393b 3372 {
53a5960a 3373 struct sched_param *target_schp;
5cd4393b 3374 struct sched_param schp;
53a5960a
PB		 3375
3376 lock_user_struct(target_schp, arg2, 1);
5cd4393b 3377 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3378 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 3379 ret = get_errno(sched_setparam(arg1, &schp));
3380 }
3381 break;
31e31b8a 3382 case TARGET_NR_sched_getparam:
5cd4393b 3383 {
53a5960a 3384 struct sched_param *target_schp;
5cd4393b
FB		 3385 struct sched_param schp;
3386 ret = get_errno(sched_getparam(arg1, &schp));
3387 if (!is_error(ret)) {
53a5960a 3388 lock_user_struct(target_schp, arg2, 0);
5cd4393b 3389 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 3390 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 3391 }
3392 }
3393 break;
31e31b8a 3394 case TARGET_NR_sched_setscheduler:
5cd4393b 3395 {
53a5960a 3396 struct sched_param *target_schp;
5cd4393b 3397 struct sched_param schp;
53a5960a 3398 lock_user_struct(target_schp, arg3, 1);
5cd4393b 3399 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3400 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 3401 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3402 }
3403 break;
31e31b8a 3404 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 3405 ret = get_errno(sched_getscheduler(arg1));
3406 break;
31e31b8a
FB		 3407 case TARGET_NR_sched_yield:
3408 ret = get_errno(sched_yield());
3409 break;
3410 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 3411 ret = get_errno(sched_get_priority_max(arg1));
3412 break;
31e31b8a 3413 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 3414 ret = get_errno(sched_get_priority_min(arg1));
3415 break;
31e31b8a 3416 case TARGET_NR_sched_rr_get_interval:
5cd4393b 3417 {
5cd4393b
FB		 3418 struct timespec ts;
3419 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3420 if (!is_error(ret)) {
53a5960a 3421 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 3422 }
3423 }
3424 break;
31e31b8a 3425 case TARGET_NR_nanosleep:
1b6b029e 3426 {
1b6b029e 3427 struct timespec req, rem;
53a5960a 3428 target_to_host_timespec(&req, arg1);
1b6b029e 3429 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 3430 if (is_error(ret) && arg2) {
3431 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 3432 }
3433 }
3434 break;
31e31b8a 3435 case TARGET_NR_query_module:
5cd4393b 3436 goto unimplemented;
31e31b8a 3437 case TARGET_NR_nfsservctl:
5cd4393b 3438 goto unimplemented;
31e31b8a 3439 case TARGET_NR_prctl:
e5574487
TS		 3440 switch (arg1)
3441 {
3442 case PR_GET_PDEATHSIG:
3443 {
3444 int deathsig;
3445 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3446 if (!is_error(ret) && arg2)
3447 tput32(arg2, deathsig);
3448 }
3449 break;
3450 default:
3451 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
3452 break;
3453 }
39b9aae1 3454 break;
67867308 3455#ifdef TARGET_NR_pread
31e31b8a 3456 case TARGET_NR_pread:
53a5960a
PB		 3457 page_unprotect_range(arg2, arg3);
3458 p = lock_user(arg2, arg3, 0);
3459 ret = get_errno(pread(arg1, p, arg3, arg4));
3460 unlock_user(p, arg2, ret);
206f0fa7 3461 break;
31e31b8a 3462 case TARGET_NR_pwrite:
53a5960a
PB		 3463 p = lock_user(arg2, arg3, 1);
3464 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3465 unlock_user(p, arg2, 0);
206f0fa7 3466 break;
67867308 3467#endif
31e31b8a 3468 case TARGET_NR_getcwd:
53a5960a
PB		 3469 p = lock_user(arg1, arg2, 0);
3470 ret = get_errno(sys_getcwd1(p, arg2));
3471 unlock_user(p, arg1, ret);
31e31b8a
FB		 3472 break;
3473 case TARGET_NR_capget:
5cd4393b 3474 goto unimplemented;
31e31b8a 3475 case TARGET_NR_capset:
5cd4393b 3476 goto unimplemented;
31e31b8a 3477 case TARGET_NR_sigaltstack:
5cd4393b 3478 goto unimplemented;
31e31b8a 3479 case TARGET_NR_sendfile:
5cd4393b 3480 goto unimplemented;
ebc05488 3481#ifdef TARGET_NR_getpmsg
31e31b8a 3482 case TARGET_NR_getpmsg:
5cd4393b 3483 goto unimplemented;
ebc05488
FB		 3484#endif
3485#ifdef TARGET_NR_putpmsg
31e31b8a 3486 case TARGET_NR_putpmsg:
5cd4393b 3487 goto unimplemented;
ebc05488 3488#endif
048f6b4d 3489#ifdef TARGET_NR_vfork
31e31b8a 3490 case TARGET_NR_vfork:
1b6b029e 3491 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 3492 break;
048f6b4d 3493#endif
ebc05488 3494#ifdef TARGET_NR_ugetrlimit
31e31b8a 3495 case TARGET_NR_ugetrlimit:
728584be
FB		 3496 {
3497 struct rlimit rlim;
3498 ret = get_errno(getrlimit(arg1, &rlim));
3499 if (!is_error(ret)) {
53a5960a
PB		 3500 struct target_rlimit *target_rlim;
3501 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 3502 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3503 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 3504 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 3505 }
3506 break;
3507 }
ebc05488 3508#endif
a315a145 3509#ifdef TARGET_NR_truncate64
31e31b8a 3510 case TARGET_NR_truncate64:
53a5960a
PB		 3511 p = lock_user_string(arg1);
3512 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3513 unlock_user(p, arg1, 0);
667f38b1 3514 break;
a315a145
FB		 3515#endif
3516#ifdef TARGET_NR_ftruncate64
31e31b8a 3517 case TARGET_NR_ftruncate64:
ce4defa0 3518 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 3519 break;
a315a145
FB		 3520#endif
3521#ifdef TARGET_NR_stat64
31e31b8a 3522 case TARGET_NR_stat64:
53a5960a
PB		 3523 p = lock_user_string(arg1);
3524 ret = get_errno(stat(path(p), &st));
3525 unlock_user(p, arg1, 0);
60cd49d5 3526 goto do_stat64;
a315a145
FB		 3527#endif
3528#ifdef TARGET_NR_lstat64
31e31b8a 3529 case TARGET_NR_lstat64:
53a5960a
PB		 3530 p = lock_user_string(arg1);
3531 ret = get_errno(lstat(path(p), &st));
3532 unlock_user(p, arg1, 0);
60cd49d5 3533 goto do_stat64;
a315a145
FB		 3534#endif
3535#ifdef TARGET_NR_fstat64
31e31b8a 3536 case TARGET_NR_fstat64:
60cd49d5
FB		 3537 {
3538 ret = get_errno(fstat(arg1, &st));
3539 do_stat64:
3540 if (!is_error(ret)) {
ce4defa0
PB		 3541#ifdef TARGET_ARM
3542 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 3543 struct target_eabi_stat64 *target_st;
3544 lock_user_struct(target_st, arg2, 1);
ce4defa0 3545 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 3546 /* put_user is probably wrong. */
ce4defa0
PB		 3547 put_user(st.st_dev, &target_st->st_dev);
3548 put_user(st.st_ino, &target_st->st_ino);
3549#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3550 put_user(st.st_ino, &target_st->__st_ino);
3551#endif
3552 put_user(st.st_mode, &target_st->st_mode);
3553 put_user(st.st_nlink, &target_st->st_nlink);
3554 put_user(st.st_uid, &target_st->st_uid);
3555 put_user(st.st_gid, &target_st->st_gid);
3556 put_user(st.st_rdev, &target_st->st_rdev);
3557 /* XXX: better use of kernel struct */
3558 put_user(st.st_size, &target_st->st_size);
3559 put_user(st.st_blksize, &target_st->st_blksize);
3560 put_user(st.st_blocks, &target_st->st_blocks);
3561 put_user(st.st_atime, &target_st->target_st_atime);
3562 put_user(st.st_mtime, &target_st->target_st_mtime);
3563 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3564 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 3565 } else
3566#endif
3567 {
53a5960a
PB		 3568 struct target_stat64 *target_st;
3569 lock_user_struct(target_st, arg2, 1);
ce4defa0 3570 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 3571 /* ??? put_user is probably wrong. */
ce4defa0
PB		 3572 put_user(st.st_dev, &target_st->st_dev);
3573 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 3574#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 3575 put_user(st.st_ino, &target_st->__st_ino);
3576#endif
3577 put_user(st.st_mode, &target_st->st_mode);
3578 put_user(st.st_nlink, &target_st->st_nlink);
3579 put_user(st.st_uid, &target_st->st_uid);
3580 put_user(st.st_gid, &target_st->st_gid);
3581 put_user(st.st_rdev, &target_st->st_rdev);
3582 /* XXX: better use of kernel struct */
3583 put_user(st.st_size, &target_st->st_size);
3584 put_user(st.st_blksize, &target_st->st_blksize);
3585 put_user(st.st_blocks, &target_st->st_blocks);
3586 put_user(st.st_atime, &target_st->target_st_atime);
3587 put_user(st.st_mtime, &target_st->target_st_mtime);
3588 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3589 unlock_user_struct(target_st, arg2, 0);
ce4defa0 3590 }
60cd49d5
FB		 3591 }
3592 }
3593 break;
a315a145 3594#endif
67867308
FB		 3595#ifdef USE_UID16
3596 case TARGET_NR_lchown:
53a5960a
PB		 3597 p = lock_user_string(arg1);
3598 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3599 unlock_user(p, arg1, 0);
67867308
FB		 3600 break;
3601 case TARGET_NR_getuid:
3602 ret = get_errno(high2lowuid(getuid()));
3603 break;
3604 case TARGET_NR_getgid:
3605 ret = get_errno(high2lowgid(getgid()));
3606 break;
3607 case TARGET_NR_geteuid:
3608 ret = get_errno(high2lowuid(geteuid()));
3609 break;
3610 case TARGET_NR_getegid:
3611 ret = get_errno(high2lowgid(getegid()));
3612 break;
3613 case TARGET_NR_setreuid:
3614 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3615 break;
3616 case TARGET_NR_setregid:
3617 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3618 break;
3619 case TARGET_NR_getgroups:
3620 {
3621 int gidsetsize = arg1;
53a5960a 3622 uint16_t *target_grouplist;
67867308
FB		 3623 gid_t *grouplist;
3624 int i;
3625
3626 grouplist = alloca(gidsetsize * sizeof(gid_t));
3627 ret = get_errno(getgroups(gidsetsize, grouplist));
3628 if (!is_error(ret)) {
53a5960a 3629 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 3630 for(i = 0;i < gidsetsize; i++)
3631 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 3632 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 3633 }
3634 }
3635 break;
3636 case TARGET_NR_setgroups:
3637 {
3638 int gidsetsize = arg1;
53a5960a 3639 uint16_t *target_grouplist;
67867308
FB		 3640 gid_t *grouplist;
3641 int i;
3642
3643 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3644 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 3645 for(i = 0;i < gidsetsize; i++)
3646 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 3647 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 3648 ret = get_errno(setgroups(gidsetsize, grouplist));
3649 }
3650 break;
3651 case TARGET_NR_fchown:
3652 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3653 break;
3654#ifdef TARGET_NR_setresuid
3655 case TARGET_NR_setresuid:
3656 ret = get_errno(setresuid(low2highuid(arg1),
3657 low2highuid(arg2),
3658 low2highuid(arg3)));
3659 break;
3660#endif
3661#ifdef TARGET_NR_getresuid
3662 case TARGET_NR_getresuid:
3663 {
53a5960a 3664 uid_t ruid, euid, suid;
67867308
FB		 3665 ret = get_errno(getresuid(&ruid, &euid, &suid));
3666 if (!is_error(ret)) {
53a5960a
PB		 3667 tput16(arg1, tswap16(high2lowuid(ruid)));
3668 tput16(arg2, tswap16(high2lowuid(euid)));
3669 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 3670 }
3671 }
3672 break;
3673#endif
3674#ifdef TARGET_NR_getresgid
3675 case TARGET_NR_setresgid:
3676 ret = get_errno(setresgid(low2highgid(arg1),
3677 low2highgid(arg2),
3678 low2highgid(arg3)));
3679 break;
3680#endif
3681#ifdef TARGET_NR_getresgid
3682 case TARGET_NR_getresgid:
3683 {
53a5960a 3684 gid_t rgid, egid, sgid;
67867308
FB		 3685 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3686 if (!is_error(ret)) {
53a5960a
PB		 3687 tput16(arg1, tswap16(high2lowgid(rgid)));
3688 tput16(arg2, tswap16(high2lowgid(egid)));
3689 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 3690 }
3691 }
3692 break;
3693#endif
3694 case TARGET_NR_chown:
53a5960a
PB		 3695 p = lock_user_string(arg1);
3696 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3697 unlock_user(p, arg1, 0);
67867308
FB		 3698 break;
3699 case TARGET_NR_setuid:
3700 ret = get_errno(setuid(low2highuid(arg1)));
3701 break;
3702 case TARGET_NR_setgid:
3703 ret = get_errno(setgid(low2highgid(arg1)));
3704 break;
3705 case TARGET_NR_setfsuid:
3706 ret = get_errno(setfsuid(arg1));
3707 break;
3708 case TARGET_NR_setfsgid:
3709 ret = get_errno(setfsgid(arg1));
3710 break;
3711#endif /* USE_UID16 */
3712
a315a145 3713#ifdef TARGET_NR_lchown32
31e31b8a 3714 case TARGET_NR_lchown32:
53a5960a
PB		 3715 p = lock_user_string(arg1);
3716 ret = get_errno(lchown(p, arg2, arg3));
3717 unlock_user(p, arg1, 0);
b03c60f3 3718 break;
a315a145
FB		 3719#endif
3720#ifdef TARGET_NR_getuid32
31e31b8a 3721 case TARGET_NR_getuid32:
b03c60f3
FB		 3722 ret = get_errno(getuid());
3723 break;
a315a145
FB		 3724#endif
3725#ifdef TARGET_NR_getgid32
31e31b8a 3726 case TARGET_NR_getgid32:
b03c60f3
FB		 3727 ret = get_errno(getgid());
3728 break;
a315a145
FB		 3729#endif
3730#ifdef TARGET_NR_geteuid32
31e31b8a 3731 case TARGET_NR_geteuid32:
b03c60f3
FB		 3732 ret = get_errno(geteuid());
3733 break;
a315a145
FB		 3734#endif
3735#ifdef TARGET_NR_getegid32
31e31b8a 3736 case TARGET_NR_getegid32:
b03c60f3
FB		 3737 ret = get_errno(getegid());
3738 break;
a315a145
FB		 3739#endif
3740#ifdef TARGET_NR_setreuid32
31e31b8a 3741 case TARGET_NR_setreuid32:
b03c60f3
FB		 3742 ret = get_errno(setreuid(arg1, arg2));
3743 break;
a315a145
FB		 3744#endif
3745#ifdef TARGET_NR_setregid32
31e31b8a 3746 case TARGET_NR_setregid32:
b03c60f3
FB		 3747 ret = get_errno(setregid(arg1, arg2));
3748 break;
a315a145
FB		 3749#endif
3750#ifdef TARGET_NR_getgroups32
31e31b8a 3751 case TARGET_NR_getgroups32:
99c475ab
FB		 3752 {
3753 int gidsetsize = arg1;
53a5960a 3754 uint32_t *target_grouplist;
99c475ab
FB		 3755 gid_t *grouplist;
3756 int i;
3757
3758 grouplist = alloca(gidsetsize * sizeof(gid_t));
3759 ret = get_errno(getgroups(gidsetsize, grouplist));
3760 if (!is_error(ret)) {
53a5960a 3761 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 3762 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3763 target_grouplist[i] = tswap32(grouplist[i]);
3764 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 3765 }
3766 }
3767 break;
a315a145
FB		 3768#endif
3769#ifdef TARGET_NR_setgroups32
31e31b8a 3770 case TARGET_NR_setgroups32:
99c475ab
FB		 3771 {
3772 int gidsetsize = arg1;
53a5960a 3773 uint32_t *target_grouplist;
99c475ab
FB		 3774 gid_t *grouplist;
3775 int i;
3776
3777 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3778 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 3779 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3780 grouplist[i] = tswap32(target_grouplist[i]);
3781 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 3782 ret = get_errno(setgroups(gidsetsize, grouplist));
3783 }
3784 break;
a315a145
FB		 3785#endif
3786#ifdef TARGET_NR_fchown32
31e31b8a 3787 case TARGET_NR_fchown32:
b03c60f3
FB		 3788 ret = get_errno(fchown(arg1, arg2, arg3));
3789 break;
a315a145
FB		 3790#endif
3791#ifdef TARGET_NR_setresuid32
31e31b8a 3792 case TARGET_NR_setresuid32:
b03c60f3
FB		 3793 ret = get_errno(setresuid(arg1, arg2, arg3));
3794 break;
a315a145
FB		 3795#endif
3796#ifdef TARGET_NR_getresuid32
31e31b8a 3797 case TARGET_NR_getresuid32:
b03c60f3 3798 {
53a5960a 3799 uid_t ruid, euid, suid;
b03c60f3
FB		 3800 ret = get_errno(getresuid(&ruid, &euid, &suid));
3801 if (!is_error(ret)) {
53a5960a
PB		 3802 tput32(arg1, tswap32(ruid));
3803 tput32(arg2, tswap32(euid));
3804 tput32(arg3, tswap32(suid));
b03c60f3
FB		 3805 }
3806 }
3807 break;
a315a145
FB		 3808#endif
3809#ifdef TARGET_NR_setresgid32
31e31b8a 3810 case TARGET_NR_setresgid32:
b03c60f3
FB		 3811 ret = get_errno(setresgid(arg1, arg2, arg3));
3812 break;
a315a145
FB		 3813#endif
3814#ifdef TARGET_NR_getresgid32
31e31b8a 3815 case TARGET_NR_getresgid32:
b03c60f3 3816 {
53a5960a 3817 gid_t rgid, egid, sgid;
b03c60f3
FB		 3818 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3819 if (!is_error(ret)) {
53a5960a
PB		 3820 tput32(arg1, tswap32(rgid));
3821 tput32(arg2, tswap32(egid));
3822 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 3823 }
3824 }
3825 break;
a315a145
FB		 3826#endif
3827#ifdef TARGET_NR_chown32
31e31b8a 3828 case TARGET_NR_chown32:
53a5960a
PB		 3829 p = lock_user_string(arg1);
3830 ret = get_errno(chown(p, arg2, arg3));
3831 unlock_user(p, arg1, 0);
b03c60f3 3832 break;
a315a145
FB		 3833#endif
3834#ifdef TARGET_NR_setuid32
31e31b8a 3835 case TARGET_NR_setuid32:
b03c60f3
FB		 3836 ret = get_errno(setuid(arg1));
3837 break;
a315a145
FB		 3838#endif
3839#ifdef TARGET_NR_setgid32
31e31b8a 3840 case TARGET_NR_setgid32:
b03c60f3
FB		 3841 ret = get_errno(setgid(arg1));
3842 break;
a315a145
FB		 3843#endif
3844#ifdef TARGET_NR_setfsuid32
31e31b8a 3845 case TARGET_NR_setfsuid32:
b03c60f3
FB		 3846 ret = get_errno(setfsuid(arg1));
3847 break;
a315a145
FB		 3848#endif
3849#ifdef TARGET_NR_setfsgid32
31e31b8a 3850 case TARGET_NR_setfsgid32:
b03c60f3
FB		 3851 ret = get_errno(setfsgid(arg1));
3852 break;
a315a145 3853#endif
67867308 3854
31e31b8a 3855 case TARGET_NR_pivot_root:
b03c60f3 3856 goto unimplemented;
ffa65c3b 3857#ifdef TARGET_NR_mincore
31e31b8a 3858 case TARGET_NR_mincore:
b03c60f3 3859 goto unimplemented;
ffa65c3b
FB		 3860#endif
3861#ifdef TARGET_NR_madvise
31e31b8a 3862 case TARGET_NR_madvise:
24836689
PB		 3863 /* A straight passthrough may not be safe because qemu sometimes
3864 turns private flie-backed mappings into anonymous mappings.
3865 This will break MADV_DONTNEED.
3866 This is a hint, so ignoring and returning success is ok. */
3867 ret = get_errno(0);
3868 break;
ffa65c3b 3869#endif
60cd49d5 3870#if TARGET_LONG_BITS == 32
31e31b8a 3871 case TARGET_NR_fcntl64:
77e4672d
FB		 3872 {
3873 struct flock64 fl;
53a5960a 3874 struct target_flock64 *target_fl;
ce4defa0 3875#ifdef TARGET_ARM
53a5960a 3876 struct target_eabi_flock64 *target_efl;
ce4defa0 3877#endif
77e4672d 3878
60cd49d5
FB		 3879 switch(arg2) {
3880 case F_GETLK64:
77e4672d
FB		 3881 ret = get_errno(fcntl(arg1, arg2, &fl));
3882 if (ret == 0) {
ce4defa0
PB		 3883#ifdef TARGET_ARM
3884 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 3885 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 3886 target_efl->l_type = tswap16(fl.l_type);
3887 target_efl->l_whence = tswap16(fl.l_whence);
3888 target_efl->l_start = tswap64(fl.l_start);
3889 target_efl->l_len = tswap64(fl.l_len);
3890 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 3891 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 3892 } else
3893#endif
3894 {
53a5960a 3895 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 3896 target_fl->l_type = tswap16(fl.l_type);
3897 target_fl->l_whence = tswap16(fl.l_whence);
3898 target_fl->l_start = tswap64(fl.l_start);
3899 target_fl->l_len = tswap64(fl.l_len);
3900 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 3901 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 3902 }
77e4672d
FB		 3903 }
3904 break;
3905
60cd49d5
FB		 3906 case F_SETLK64:
3907 case F_SETLKW64:
ce4defa0
PB		 3908#ifdef TARGET_ARM
3909 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 3910 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 3911 fl.l_type = tswap16(target_efl->l_type);
3912 fl.l_whence = tswap16(target_efl->l_whence);
3913 fl.l_start = tswap64(target_efl->l_start);
3914 fl.l_len = tswap64(target_efl->l_len);
3915 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 3916 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 3917 } else
3918#endif
3919 {
53a5960a 3920 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 3921 fl.l_type = tswap16(target_fl->l_type);
3922 fl.l_whence = tswap16(target_fl->l_whence);
3923 fl.l_start = tswap64(target_fl->l_start);
3924 fl.l_len = tswap64(target_fl->l_len);
3925 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 3926 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 3927 }
77e4672d
FB		 3928 ret = get_errno(fcntl(arg1, arg2, &fl));
3929 break;
60cd49d5 3930 default:
7775e9ec 3931 ret = get_errno(do_fcntl(arg1, arg2, arg3));
60cd49d5
FB		 3932 break;
3933 }
77e4672d
FB		 3934 break;
3935 }
60cd49d5 3936#endif
7d600c80
TS		 3937#ifdef TARGET_NR_cacheflush
3938 case TARGET_NR_cacheflush:
3939 /* self-modifying code is handled automatically, so nothing needed */
3940 ret = 0;
3941 break;
3942#endif
ebc05488 3943#ifdef TARGET_NR_security
31e31b8a
FB		 3944 case TARGET_NR_security:
3945 goto unimplemented;
c573ff67
FB		 3946#endif
3947#ifdef TARGET_NR_getpagesize
3948 case TARGET_NR_getpagesize:
3949 ret = TARGET_PAGE_SIZE;
3950 break;
ebc05488 3951#endif
31e31b8a
FB		 3952 case TARGET_NR_gettid:
3953 ret = get_errno(gettid());
3954 break;
3955 case TARGET_NR_readahead:
5cd4393b 3956 goto unimplemented;
ebc05488 3957#ifdef TARGET_NR_setxattr
31e31b8a
FB		 3958 case TARGET_NR_setxattr:
3959 case TARGET_NR_lsetxattr:
3960 case TARGET_NR_fsetxattr:
3961 case TARGET_NR_getxattr:
3962 case TARGET_NR_lgetxattr:
3963 case TARGET_NR_fgetxattr:
3964 case TARGET_NR_listxattr:
3965 case TARGET_NR_llistxattr:
3966 case TARGET_NR_flistxattr:
3967 case TARGET_NR_removexattr:
3968 case TARGET_NR_lremovexattr:
3969 case TARGET_NR_fremovexattr:
5cd4393b 3970 goto unimplemented_nowarn;
ebc05488
FB		 3971#endif
3972#ifdef TARGET_NR_set_thread_area
5cd4393b 3973 case TARGET_NR_set_thread_area:
6f5b89a0
TS		 3974#ifdef TARGET_MIPS
3975 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
3976 ret = 0;
3977 break;
3978#else
3979 goto unimplemented_nowarn;
3980#endif
3981#endif
3982#ifdef TARGET_NR_get_thread_area
5cd4393b
FB		 3983 case TARGET_NR_get_thread_area:
3984 goto unimplemented_nowarn;
48dc41eb
FB		 3985#endif
3986#ifdef TARGET_NR_getdomainname
3987 case TARGET_NR_getdomainname:
3988 goto unimplemented_nowarn;
ebc05488 3989#endif
6f5b89a0
TS		 3990
3991#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
3992 case TARGET_NR_set_tid_address:
3993 ret = get_errno(set_tid_address((int *) arg1));
3994 break;
3995#endif
3996
31e31b8a
FB		 3997 default:
3998 unimplemented:
5cd4393b 3999 gemu_log("qemu: Unsupported syscall: %d\n", num);
6f5b89a0 4000#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname)
5cd4393b 4001 unimplemented_nowarn:
80a9d035 4002#endif
31e31b8a
FB		 4003 ret = -ENOSYS;
4004 break;
4005 }
4006 fail:
c573ff67
FB		 4007#ifdef DEBUG
4008 gemu_log(" = %ld\n", ret);
4009#endif
31e31b8a
FB		 4010 return ret;
4011}
4012
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