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