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MIPS TLB style selection at runtime, by Herve Poussineau.
[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 30#include <sys/types.h>
d08d3bb8
TS		 31#include <sys/ipc.h>
32#include <sys/msg.h>
31e31b8a
FB		 33#include <sys/wait.h>
34#include <sys/time.h>
35#include <sys/stat.h>
36#include <sys/mount.h>
39b9aae1 37#include <sys/prctl.h>
31e31b8a
FB		 38#include <sys/resource.h>
39#include <sys/mman.h>
40#include <sys/swap.h>
41#include <signal.h>
42#include <sched.h>
43#include <sys/socket.h>
44#include <sys/uio.h>
9de5e440 45#include <sys/poll.h>
32f36bce 46#include <sys/times.h>
8853f86e 47#include <sys/shm.h>
fa294816 48#include <sys/sem.h>
56c8f68f 49#include <sys/statfs.h>
ebc05488 50#include <utime.h>
a5448a7d 51#include <sys/sysinfo.h>
72f03900 52//#include <sys/user.h>
8853f86e 53#include <netinet/ip.h>
7854b056 54#include <netinet/tcp.h>
31e31b8a
FB		 55
56#define termios host_termios
57#define winsize host_winsize
58#define termio host_termio
04369ff2
FB		 59#define sgttyb host_sgttyb /* same as target */
60#define tchars host_tchars /* same as target */
61#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 62
63#include <linux/termios.h>
64#include <linux/unistd.h>
65#include <linux/utsname.h>
66#include <linux/cdrom.h>
67#include <linux/hdreg.h>
68#include <linux/soundcard.h>
dab2ed99 69#include <linux/dirent.h>
19b84f3c 70#include <linux/kd.h>
31e31b8a 71
3ef693a0 72#include "qemu.h"
31e31b8a 73
72f03900 74//#define DEBUG
31e31b8a 75
e6e5906b 76#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
56e0794a 77 || defined(TARGET_M68K) || defined(TARGET_SH4)
67867308
FB		 78/* 16 bit uid wrappers emulation */
79#define USE_UID16
80#endif
81
1a9353d2
FB		 82//#include <linux/msdos_fs.h>
83#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
84#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
85
70a194b9 86
70a194b9
FB		 87#undef _syscall0
88#undef _syscall1
89#undef _syscall2
90#undef _syscall3
91#undef _syscall4
92#undef _syscall5
83fcb515 93#undef _syscall6
70a194b9 94
83fcb515
FB		 95#define _syscall0(type,name) \
96type name (void) \
97{ \
98 return syscall(__NR_##name); \
99}
70a194b9 100
83fcb515
FB		 101#define _syscall1(type,name,type1,arg1) \
102type name (type1 arg1) \
103{ \
104 return syscall(__NR_##name, arg1); \
70a194b9
FB		 105}
106
83fcb515
FB		 107#define _syscall2(type,name,type1,arg1,type2,arg2) \
108type name (type1 arg1,type2 arg2) \
109{ \
110 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 111}
112
83fcb515
FB		 113#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
114type name (type1 arg1,type2 arg2,type3 arg3) \
115{ \
116 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 117}
118
83fcb515
FB		 119#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
120type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
121{ \
122 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 123}
124
83fcb515
FB		 125#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
126 type5,arg5) \
127type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
128{ \
129 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 130}
131
83fcb515
FB		 132
133#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
134 type5,arg5,type6,arg6) \
135type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
136{ \
137 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 138}
83fcb515 139
70a194b9 140
31e31b8a 141#define __NR_sys_uname __NR_uname
72f03900 142#define __NR_sys_getcwd1 __NR_getcwd
72f03900 143#define __NR_sys_getdents __NR_getdents
dab2ed99 144#define __NR_sys_getdents64 __NR_getdents64
66fb9763 145#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
7494b0f9 146#define __NR_sys_syslog __NR_syslog
31e31b8a 147
bc51c5c9 148#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 149#define __NR__llseek __NR_lseek
150#endif
151
72f03900 152#ifdef __NR_gettid
31e31b8a 153_syscall0(int, gettid)
72f03900
FB		 154#else
155static int gettid(void) {
156 return -ENOSYS;
157}
158#endif
31e31b8a 159_syscall1(int,sys_uname,struct new_utsname *,buf)
72f03900
FB		 160_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
161_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
dab2ed99 162_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
31e31b8a
FB		 163_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
164 loff_t *, res, uint, wh);
66fb9763 165_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
7494b0f9 166_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
ec86b0fb
FB		 167#ifdef __NR_exit_group
168_syscall1(int,exit_group,int,error_code)
169#endif
6f5b89a0
TS		 170#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
171_syscall1(int,set_tid_address,int *,tidptr)
172#endif
66fb9763
FB		 173
174extern int personality(int);
9de5e440
FB		 175extern int flock(int, int);
176extern int setfsuid(int);
177extern int setfsgid(int);
5cd4393b
FB		 178extern int setresuid(uid_t, uid_t, uid_t);
179extern int getresuid(uid_t *, uid_t *, uid_t *);
180extern int setresgid(gid_t, gid_t, gid_t);
181extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 182extern int setgroups(int, gid_t *);
31e31b8a
FB		 183
184static inline long get_errno(long ret)
185{
186 if (ret == -1)
187 return -errno;
188 else
189 return ret;
190}
191
192static inline int is_error(long ret)
193{
194 return (unsigned long)ret >= (unsigned long)(-4096);
195}
196
53a5960a
PB		 197static target_ulong target_brk;
198static target_ulong target_original_brk;
31e31b8a 199
53a5960a 200void target_set_brk(target_ulong new_brk)
31e31b8a 201{
53a5960a 202 target_original_brk = target_brk = new_brk;
31e31b8a
FB		 203}
204
53a5960a 205long do_brk(target_ulong new_brk)
31e31b8a 206{
53a5960a 207 target_ulong brk_page;
31e31b8a
FB		 208 long mapped_addr;
209 int new_alloc_size;
210
211 if (!new_brk)
53a5960a 212 return target_brk;
31e31b8a
FB		 213 if (new_brk < target_original_brk)
214 return -ENOMEM;
215
53a5960a 216 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 217
218 /* If the new brk is less than this, set it and we're done... */
219 if (new_brk < brk_page) {
220 target_brk = new_brk;
53a5960a 221 return target_brk;
31e31b8a
FB		 222 }
223
224 /* We need to allocate more memory after the brk... */
54936004 225 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
53a5960a 226 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 227 PROT_READ|PROT_WRITE,
228 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
31e31b8a
FB		 229 if (is_error(mapped_addr)) {
230 return mapped_addr;
231 } else {
232 target_brk = new_brk;
53a5960a 233 return target_brk;
31e31b8a
FB		 234 }
235}
236
237static inline fd_set *target_to_host_fds(fd_set *fds,
238 target_long *target_fds, int n)
239{
7854b056 240#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 241 return (fd_set *)target_fds;
242#else
243 int i, b;
244 if (target_fds) {
245 FD_ZERO(fds);
246 for(i = 0;i < n; i++) {
247 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
248 (i & (TARGET_LONG_BITS - 1))) & 1;
249 if (b)
250 FD_SET(i, fds);
251 }
252 return fds;
253 } else {
254 return NULL;
255 }
256#endif
257}
258
259static inline void host_to_target_fds(target_long *target_fds,
260 fd_set *fds, int n)
261{
7854b056 262#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 263 /* nothing to do */
264#else
265 int i, nw, j, k;
266 target_long v;
267
268 if (target_fds) {
8853f86e 269 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
31e31b8a
FB		 270 k = 0;
271 for(i = 0;i < nw; i++) {
272 v = 0;
273 for(j = 0; j < TARGET_LONG_BITS; j++) {
274 v |= ((FD_ISSET(k, fds) != 0) << j);
275 k++;
276 }
277 target_fds[i] = tswapl(v);
278 }
279 }
280#endif
281}
282
c596ed17
FB		 283#if defined(__alpha__)
284#define HOST_HZ 1024
285#else
286#define HOST_HZ 100
287#endif
288
289static inline long host_to_target_clock_t(long ticks)
290{
291#if HOST_HZ == TARGET_HZ
292 return ticks;
293#else
294 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
295#endif
296}
297
53a5960a 298static inline void host_to_target_rusage(target_ulong target_addr,
b409186b
FB		 299 const struct rusage *rusage)
300{
53a5960a
PB		 301 struct target_rusage *target_rusage;
302
303 lock_user_struct(target_rusage, target_addr, 0);
b409186b
FB		 304 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
305 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
306 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
307 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
308 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
309 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
310 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
311 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
312 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
313 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
314 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
315 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
316 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
317 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
318 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
319 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
320 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
321 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 322 unlock_user_struct(target_rusage, target_addr, 1);
b409186b
FB		 323}
324
53a5960a
PB		 325static inline void target_to_host_timeval(struct timeval *tv,
326 target_ulong target_addr)
31e31b8a 327{
53a5960a
PB		 328 struct target_timeval *target_tv;
329
330 lock_user_struct(target_tv, target_addr, 1);
66fb9763
FB		 331 tv->tv_sec = tswapl(target_tv->tv_sec);
332 tv->tv_usec = tswapl(target_tv->tv_usec);
53a5960a 333 unlock_user_struct(target_tv, target_addr, 0);
31e31b8a
FB		 334}
335
53a5960a 336static inline void host_to_target_timeval(target_ulong target_addr,
5cd4393b 337 const struct timeval *tv)
31e31b8a 338{
53a5960a
PB		 339 struct target_timeval *target_tv;
340
341 lock_user_struct(target_tv, target_addr, 0);
66fb9763
FB		 342 target_tv->tv_sec = tswapl(tv->tv_sec);
343 target_tv->tv_usec = tswapl(tv->tv_usec);
53a5960a 344 unlock_user_struct(target_tv, target_addr, 1);
31e31b8a
FB		 345}
346
347
348static long do_select(long n,
53a5960a
PB		 349 target_ulong rfd_p, target_ulong wfd_p,
350 target_ulong efd_p, target_ulong target_tv)
31e31b8a
FB		 351{
352 fd_set rfds, wfds, efds;
353 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
53a5960a 354 target_long *target_rfds, *target_wfds, *target_efds;
31e31b8a
FB		 355 struct timeval tv, *tv_ptr;
356 long ret;
53a5960a 357 int ok;
31e31b8a 358
53a5960a
PB		 359 if (rfd_p) {
360 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
361 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
362 } else {
363 target_rfds = NULL;
364 rfds_ptr = NULL;
365 }
366 if (wfd_p) {
367 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
368 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
369 } else {
370 target_wfds = NULL;
371 wfds_ptr = NULL;
372 }
373 if (efd_p) {
374 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
375 efds_ptr = target_to_host_fds(&efds, target_efds, n);
376 } else {
377 target_efds = NULL;
378 efds_ptr = NULL;
379 }
31e31b8a
FB		 380
381 if (target_tv) {
5cd4393b 382 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 383 tv_ptr = &tv;
384 } else {
385 tv_ptr = NULL;
386 }
387 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a
PB		 388 ok = !is_error(ret);
389
390 if (ok) {
31e31b8a
FB		 391 host_to_target_fds(target_rfds, rfds_ptr, n);
392 host_to_target_fds(target_wfds, wfds_ptr, n);
393 host_to_target_fds(target_efds, efds_ptr, n);
394
395 if (target_tv) {
5cd4393b 396 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 397 }
398 }
53a5960a
PB		 399 if (target_rfds)
400 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
401 if (target_wfds)
402 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
403 if (target_efds)
404 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
405
31e31b8a
FB		 406 return ret;
407}
408
7854b056 409static inline void target_to_host_sockaddr(struct sockaddr *addr,
53a5960a 410 target_ulong target_addr,
7854b056
FB		 411 socklen_t len)
412{
53a5960a
PB		 413 struct target_sockaddr *target_saddr;
414
415 target_saddr = lock_user(target_addr, len, 1);
416 memcpy(addr, target_saddr, len);
417 addr->sa_family = tswap16(target_saddr->sa_family);
418 unlock_user(target_saddr, target_addr, 0);
7854b056
FB		 419}
420
53a5960a 421static inline void host_to_target_sockaddr(target_ulong target_addr,
7854b056
FB		 422 struct sockaddr *addr,
423 socklen_t len)
424{
53a5960a
PB		 425 struct target_sockaddr *target_saddr;
426
427 target_saddr = lock_user(target_addr, len, 0);
428 memcpy(target_saddr, addr, len);
429 target_saddr->sa_family = tswap16(addr->sa_family);
430 unlock_user(target_saddr, target_addr, len);
7854b056
FB		 431}
432
53a5960a 433/* ??? Should this also swap msgh->name? */
7854b056
FB		 434static inline void target_to_host_cmsg(struct msghdr *msgh,
435 struct target_msghdr *target_msgh)
436{
437 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
438 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
439 socklen_t space = 0;
440
441 while (cmsg && target_cmsg) {
442 void *data = CMSG_DATA(cmsg);
443 void *target_data = TARGET_CMSG_DATA(target_cmsg);
444
445 int len = tswapl(target_cmsg->cmsg_len)
446 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
447
448 space += CMSG_SPACE(len);
449 if (space > msgh->msg_controllen) {
450 space -= CMSG_SPACE(len);
31febb71 451 gemu_log("Host cmsg overflow\n");
7854b056
FB		 452 break;
453 }
454
455 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
456 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
457 cmsg->cmsg_len = CMSG_LEN(len);
458
3532fa74 459 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 460 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
461 memcpy(data, target_data, len);
462 } else {
463 int *fd = (int *)data;
464 int *target_fd = (int *)target_data;
465 int i, numfds = len / sizeof(int);
466
467 for (i = 0; i < numfds; i++)
468 fd[i] = tswap32(target_fd[i]);
469 }
470
471 cmsg = CMSG_NXTHDR(msgh, cmsg);
472 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
473 }
474
475 msgh->msg_controllen = space;
476}
477
53a5960a 478/* ??? Should this also swap msgh->name? */
7854b056
FB		 479static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
480 struct msghdr *msgh)
481{
482 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
483 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
484 socklen_t space = 0;
485
486 while (cmsg && target_cmsg) {
487 void *data = CMSG_DATA(cmsg);
488 void *target_data = TARGET_CMSG_DATA(target_cmsg);
489
490 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
491
492 space += TARGET_CMSG_SPACE(len);
493 if (space > tswapl(target_msgh->msg_controllen)) {
494 space -= TARGET_CMSG_SPACE(len);
31febb71 495 gemu_log("Target cmsg overflow\n");
7854b056
FB		 496 break;
497 }
498
499 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
500 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
501 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
502
3532fa74 503 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 504 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
505 memcpy(target_data, data, len);
506 } else {
507 int *fd = (int *)data;
508 int *target_fd = (int *)target_data;
509 int i, numfds = len / sizeof(int);
510
511 for (i = 0; i < numfds; i++)
512 target_fd[i] = tswap32(fd[i]);
513 }
514
515 cmsg = CMSG_NXTHDR(msgh, cmsg);
516 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
517 }
518
519 msgh->msg_controllen = tswapl(space);
520}
521
522static long do_setsockopt(int sockfd, int level, int optname,
53a5960a 523 target_ulong optval, socklen_t optlen)
7854b056 524{
8853f86e
FB		 525 int val, ret;
526
527 switch(level) {
528 case SOL_TCP:
7854b056 529 /* TCP options all take an 'int' value. */
7854b056
FB		 530 if (optlen < sizeof(uint32_t))
531 return -EINVAL;
8853f86e 532
53a5960a 533 val = tget32(optval);
8853f86e
FB		 534 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
535 break;
536 case SOL_IP:
537 switch(optname) {
2efbe911
FB		 538 case IP_TOS:
539 case IP_TTL:
8853f86e 540 case IP_HDRINCL:
2efbe911
FB		 541 case IP_ROUTER_ALERT:
542 case IP_RECVOPTS:
543 case IP_RETOPTS:
544 case IP_PKTINFO:
545 case IP_MTU_DISCOVER:
546 case IP_RECVERR:
547 case IP_RECVTOS:
548#ifdef IP_FREEBIND
549 case IP_FREEBIND:
550#endif
551 case IP_MULTICAST_TTL:
552 case IP_MULTICAST_LOOP:
8853f86e
FB		 553 val = 0;
554 if (optlen >= sizeof(uint32_t)) {
53a5960a 555 val = tget32(optval);
8853f86e 556 } else if (optlen >= 1) {
53a5960a 557 val = tget8(optval);
8853f86e
FB		 558 }
559 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
560 break;
561 default:
562 goto unimplemented;
563 }
564 break;
3532fa74 565 case TARGET_SOL_SOCKET:
8853f86e
FB		 566 switch (optname) {
567 /* Options with 'int' argument. */
3532fa74
FB		 568 case TARGET_SO_DEBUG:
569 optname = SO_DEBUG;
570 break;
571 case TARGET_SO_REUSEADDR:
572 optname = SO_REUSEADDR;
573 break;
574 case TARGET_SO_TYPE:
575 optname = SO_TYPE;
576 break;
577 case TARGET_SO_ERROR:
578 optname = SO_ERROR;
579 break;
580 case TARGET_SO_DONTROUTE:
581 optname = SO_DONTROUTE;
582 break;
583 case TARGET_SO_BROADCAST:
584 optname = SO_BROADCAST;
585 break;
586 case TARGET_SO_SNDBUF:
587 optname = SO_SNDBUF;
588 break;
589 case TARGET_SO_RCVBUF:
590 optname = SO_RCVBUF;
591 break;
592 case TARGET_SO_KEEPALIVE:
593 optname = SO_KEEPALIVE;
594 break;
595 case TARGET_SO_OOBINLINE:
596 optname = SO_OOBINLINE;
597 break;
598 case TARGET_SO_NO_CHECK:
599 optname = SO_NO_CHECK;
600 break;
601 case TARGET_SO_PRIORITY:
602 optname = SO_PRIORITY;
603 break;
5e83e8e3 604#ifdef SO_BSDCOMPAT
3532fa74
FB		 605 case TARGET_SO_BSDCOMPAT:
606 optname = SO_BSDCOMPAT;
607 break;
5e83e8e3 608#endif
3532fa74
FB		 609 case TARGET_SO_PASSCRED:
610 optname = SO_PASSCRED;
611 break;
612 case TARGET_SO_TIMESTAMP:
613 optname = SO_TIMESTAMP;
614 break;
615 case TARGET_SO_RCVLOWAT:
616 optname = SO_RCVLOWAT;
617 break;
618 case TARGET_SO_RCVTIMEO:
619 optname = SO_RCVTIMEO;
620 break;
621 case TARGET_SO_SNDTIMEO:
622 optname = SO_SNDTIMEO;
623 break;
8853f86e
FB		 624 break;
625 default:
626 goto unimplemented;
627 }
3532fa74
FB		 628 if (optlen < sizeof(uint32_t))
629 return -EINVAL;
630
631 val = tget32(optval);
632 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 633 break;
7854b056 634 default:
8853f86e
FB		 635 unimplemented:
636 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
637 ret = -ENOSYS;
7854b056 638 }
8853f86e 639 return ret;
7854b056
FB		 640}
641
642static long do_getsockopt(int sockfd, int level, int optname,
53a5960a 643 target_ulong optval, target_ulong optlen)
7854b056 644{
8853f86e
FB		 645 int len, lv, val, ret;
646
647 switch(level) {
3532fa74
FB		 648 case TARGET_SOL_SOCKET:
649 level = SOL_SOCKET;
8853f86e 650 switch (optname) {
3532fa74
FB		 651 case TARGET_SO_LINGER:
652 case TARGET_SO_RCVTIMEO:
653 case TARGET_SO_SNDTIMEO:
654 case TARGET_SO_PEERCRED:
655 case TARGET_SO_PEERNAME:
8853f86e
FB		 656 /* These don't just return a single integer */
657 goto unimplemented;
658 default:
2efbe911
FB		 659 goto int_case;
660 }
661 break;
662 case SOL_TCP:
663 /* TCP options all take an 'int' value. */
664 int_case:
53a5960a 665 len = tget32(optlen);
2efbe911
FB		 666 if (len < 0)
667 return -EINVAL;
668 lv = sizeof(int);
669 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
670 if (ret < 0)
671 return ret;
672 val = tswap32(val);
673 if (len > lv)
674 len = lv;
53a5960a
PB		 675 if (len == 4)
676 tput32(optval, val);
677 else
678 tput8(optval, val);
679 tput32(optlen, len);
2efbe911
FB		 680 break;
681 case SOL_IP:
682 switch(optname) {
683 case IP_TOS:
684 case IP_TTL:
685 case IP_HDRINCL:
686 case IP_ROUTER_ALERT:
687 case IP_RECVOPTS:
688 case IP_RETOPTS:
689 case IP_PKTINFO:
690 case IP_MTU_DISCOVER:
691 case IP_RECVERR:
692 case IP_RECVTOS:
693#ifdef IP_FREEBIND
694 case IP_FREEBIND:
695#endif
696 case IP_MULTICAST_TTL:
697 case IP_MULTICAST_LOOP:
53a5960a 698 len = tget32(optlen);
8853f86e
FB		 699 if (len < 0)
700 return -EINVAL;
701 lv = sizeof(int);
702 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
703 if (ret < 0)
704 return ret;
2efbe911 705 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 706 len = 1;
53a5960a
PB		 707 tput32(optlen, len);
708 tput8(optval, val);
2efbe911 709 } else {
2efbe911
FB		 710 if (len > sizeof(int))
711 len = sizeof(int);
53a5960a
PB		 712 tput32(optlen, len);
713 tput32(optval, val);
2efbe911 714 }
8853f86e 715 break;
2efbe911
FB		 716 default:
717 goto unimplemented;
8853f86e
FB		 718 }
719 break;
720 default:
721 unimplemented:
722 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
723 level, optname);
724 ret = -ENOSYS;
725 break;
726 }
727 return ret;
7854b056
FB		 728}
729
53a5960a
PB		 730static void lock_iovec(struct iovec *vec, target_ulong target_addr,
731 int count, int copy)
732{
733 struct target_iovec *target_vec;
734 target_ulong base;
735 int i;
736
737 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
738 for(i = 0;i < count; i++) {
739 base = tswapl(target_vec[i].iov_base);
740 vec[i].iov_len = tswapl(target_vec[i].iov_len);
741 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
742 }
743 unlock_user (target_vec, target_addr, 0);
744}
745
746static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
747 int count, int copy)
748{
749 struct target_iovec *target_vec;
750 target_ulong base;
751 int i;
752
753 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
754 for(i = 0;i < count; i++) {
755 base = tswapl(target_vec[i].iov_base);
756 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
757 }
758 unlock_user (target_vec, target_addr, 0);
759}
760
3532fa74
FB		 761static long do_socket(int domain, int type, int protocol)
762{
763#if defined(TARGET_MIPS)
764 switch(type) {
765 case TARGET_SOCK_DGRAM:
766 type = SOCK_DGRAM;
767 break;
768 case TARGET_SOCK_STREAM:
769 type = SOCK_STREAM;
770 break;
771 case TARGET_SOCK_RAW:
772 type = SOCK_RAW;
773 break;
774 case TARGET_SOCK_RDM:
775 type = SOCK_RDM;
776 break;
777 case TARGET_SOCK_SEQPACKET:
778 type = SOCK_SEQPACKET;
779 break;
780 case TARGET_SOCK_PACKET:
781 type = SOCK_PACKET;
782 break;
783 }
784#endif
785 return get_errno(socket(domain, type, protocol));
786}
787
788static long do_bind(int sockfd, target_ulong target_addr,
789 socklen_t addrlen)
790{
791 void *addr = alloca(addrlen);
792
793 target_to_host_sockaddr(addr, target_addr, addrlen);
794 return get_errno(bind(sockfd, addr, addrlen));
795}
796
797static long do_connect(int sockfd, target_ulong target_addr,
798 socklen_t addrlen)
799{
800 void *addr = alloca(addrlen);
801
802 target_to_host_sockaddr(addr, target_addr, addrlen);
803 return get_errno(connect(sockfd, addr, addrlen));
804}
805
806static long do_sendrecvmsg(int fd, target_ulong target_msg,
807 int flags, int send)
808{
809 long ret;
810 struct target_msghdr *msgp;
811 struct msghdr msg;
812 int count;
813 struct iovec *vec;
814 target_ulong target_vec;
815
816 lock_user_struct(msgp, target_msg, 1);
817 if (msgp->msg_name) {
818 msg.msg_namelen = tswap32(msgp->msg_namelen);
819 msg.msg_name = alloca(msg.msg_namelen);
820 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
821 msg.msg_namelen);
822 } else {
823 msg.msg_name = NULL;
824 msg.msg_namelen = 0;
825 }
826 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
827 msg.msg_control = alloca(msg.msg_controllen);
828 msg.msg_flags = tswap32(msgp->msg_flags);
829
830 count = tswapl(msgp->msg_iovlen);
831 vec = alloca(count * sizeof(struct iovec));
832 target_vec = tswapl(msgp->msg_iov);
833 lock_iovec(vec, target_vec, count, send);
834 msg.msg_iovlen = count;
835 msg.msg_iov = vec;
836
837 if (send) {
838 target_to_host_cmsg(&msg, msgp);
839 ret = get_errno(sendmsg(fd, &msg, flags));
840 } else {
841 ret = get_errno(recvmsg(fd, &msg, flags));
842 if (!is_error(ret))
843 host_to_target_cmsg(msgp, &msg);
844 }
845 unlock_iovec(vec, target_vec, count, !send);
846 return ret;
847}
848
1be9e1dc
PB		 849static long do_accept(int fd, target_ulong target_addr,
850 target_ulong target_addrlen)
851{
852 socklen_t addrlen = tget32(target_addrlen);
197ea35a 853 void *addr = alloca(addrlen);
1be9e1dc
PB		 854 long ret;
855
856 ret = get_errno(accept(fd, addr, &addrlen));
857 if (!is_error(ret)) {
858 host_to_target_sockaddr(target_addr, addr, addrlen);
859 tput32(target_addrlen, addrlen);
860 }
861 return ret;
862}
863
864static long do_getpeername(int fd, target_ulong target_addr,
865 target_ulong target_addrlen)
866{
867 socklen_t addrlen = tget32(target_addrlen);
01c227fb 868 void *addr = alloca(addrlen);
1be9e1dc
PB		 869 long ret;
870
871 ret = get_errno(getpeername(fd, addr, &addrlen));
872 if (!is_error(ret)) {
873 host_to_target_sockaddr(target_addr, addr, addrlen);
874 tput32(target_addrlen, addrlen);
875 }
876 return ret;
877}
878
879static long do_getsockname(int fd, target_ulong target_addr,
880 target_ulong target_addrlen)
881{
882 socklen_t addrlen = tget32(target_addrlen);
01c227fb 883 void *addr = alloca(addrlen);
1be9e1dc
PB		 884 long ret;
885
886 ret = get_errno(getsockname(fd, addr, &addrlen));
887 if (!is_error(ret)) {
888 host_to_target_sockaddr(target_addr, addr, addrlen);
889 tput32(target_addrlen, addrlen);
890 }
891 return ret;
892}
893
894static long do_socketpair(int domain, int type, int protocol,
895 target_ulong target_tab)
896{
897 int tab[2];
898 long ret;
899
900 ret = get_errno(socketpair(domain, type, protocol, tab));
901 if (!is_error(ret)) {
902 tput32(target_tab, tab[0]);
903 tput32(target_tab + 4, tab[1]);
904 }
905 return ret;
906}
907
908static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
909 target_ulong target_addr, socklen_t addrlen)
910{
911 void *addr;
912 void *host_msg;
913 long ret;
914
915 host_msg = lock_user(msg, len, 1);
916 if (target_addr) {
917 addr = alloca(addrlen);
918 target_to_host_sockaddr(addr, target_addr, addrlen);
919 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
920 } else {
921 ret = get_errno(send(fd, host_msg, len, flags));
922 }
923 unlock_user(host_msg, msg, 0);
924 return ret;
925}
926
927static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
928 target_ulong target_addr, target_ulong target_addrlen)
929{
930 socklen_t addrlen;
931 void *addr;
932 void *host_msg;
933 long ret;
934
935 host_msg = lock_user(msg, len, 0);
936 if (target_addr) {
937 addrlen = tget32(target_addrlen);
938 addr = alloca(addrlen);
939 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
940 } else {
941 addr = NULL; /* To keep compiler quiet. */
942 ret = get_errno(recv(fd, host_msg, len, flags));
943 }
944 if (!is_error(ret)) {
945 if (target_addr) {
946 host_to_target_sockaddr(target_addr, addr, addrlen);
947 tput32(target_addrlen, addrlen);
948 }
949 unlock_user(host_msg, msg, len);
950 } else {
951 unlock_user(host_msg, msg, 0);
952 }
953 return ret;
954}
955
53a5960a 956static long do_socketcall(int num, target_ulong vptr)
31e31b8a
FB		 957{
958 long ret;
53a5960a 959 const int n = sizeof(target_ulong);
31e31b8a
FB		 960
961 switch(num) {
962 case SOCKOP_socket:
7854b056 963 {
53a5960a
PB		 964 int domain = tgetl(vptr);
965 int type = tgetl(vptr + n);
966 int protocol = tgetl(vptr + 2 * n);
3532fa74 967 ret = do_socket(domain, type, protocol);
7854b056 968 }
31e31b8a
FB		 969 break;
970 case SOCKOP_bind:
7854b056 971 {
53a5960a
PB		 972 int sockfd = tgetl(vptr);
973 target_ulong target_addr = tgetl(vptr + n);
974 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 975 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 976 }
31e31b8a
FB		 977 break;
978 case SOCKOP_connect:
7854b056 979 {
53a5960a
PB		 980 int sockfd = tgetl(vptr);
981 target_ulong target_addr = tgetl(vptr + n);
982 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 983 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 984 }
31e31b8a
FB		 985 break;
986 case SOCKOP_listen:
7854b056 987 {
53a5960a
PB		 988 int sockfd = tgetl(vptr);
989 int backlog = tgetl(vptr + n);
7854b056
FB		 990 ret = get_errno(listen(sockfd, backlog));
991 }
31e31b8a
FB		 992 break;
993 case SOCKOP_accept:
994 {
53a5960a
PB		 995 int sockfd = tgetl(vptr);
996 target_ulong target_addr = tgetl(vptr + n);
997 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 998 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 999 }
1000 break;
1001 case SOCKOP_getsockname:
1002 {
53a5960a
PB		 1003 int sockfd = tgetl(vptr);
1004 target_ulong target_addr = tgetl(vptr + n);
1005 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1006 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1007 }
1008 break;
1009 case SOCKOP_getpeername:
1010 {
53a5960a
PB		 1011 int sockfd = tgetl(vptr);
1012 target_ulong target_addr = tgetl(vptr + n);
1013 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1014 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1015 }
1016 break;
1017 case SOCKOP_socketpair:
1018 {
53a5960a
PB		 1019 int domain = tgetl(vptr);
1020 int type = tgetl(vptr + n);
1021 int protocol = tgetl(vptr + 2 * n);
1be9e1dc
PB		 1022 target_ulong tab = tgetl(vptr + 3 * n);
1023 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1024 }
1025 break;
1026 case SOCKOP_send:
7854b056 1027 {
53a5960a
PB		 1028 int sockfd = tgetl(vptr);
1029 target_ulong msg = tgetl(vptr + n);
1030 size_t len = tgetl(vptr + 2 * n);
1031 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1032 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1033 }
31e31b8a
FB		 1034 break;
1035 case SOCKOP_recv:
7854b056 1036 {
53a5960a
PB		 1037 int sockfd = tgetl(vptr);
1038 target_ulong msg = tgetl(vptr + n);
1039 size_t len = tgetl(vptr + 2 * n);
1040 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1041 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1042 }
31e31b8a
FB		 1043 break;
1044 case SOCKOP_sendto:
7854b056 1045 {
53a5960a
PB		 1046 int sockfd = tgetl(vptr);
1047 target_ulong msg = tgetl(vptr + n);
1048 size_t len = tgetl(vptr + 2 * n);
1049 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1050 target_ulong addr = tgetl(vptr + 4 * n);
53a5960a 1051 socklen_t addrlen = tgetl(vptr + 5 * n);
1be9e1dc 1052 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1053 }
31e31b8a
FB		 1054 break;
1055 case SOCKOP_recvfrom:
1056 {
53a5960a
PB		 1057 int sockfd = tgetl(vptr);
1058 target_ulong msg = tgetl(vptr + n);
1059 size_t len = tgetl(vptr + 2 * n);
1060 int flags = tgetl(vptr + 3 * n);
1be9e1dc
PB		 1061 target_ulong addr = tgetl(vptr + 4 * n);
1062 target_ulong addrlen = tgetl(vptr + 5 * n);
1063 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1064 }
1065 break;
1066 case SOCKOP_shutdown:
7854b056 1067 {
53a5960a
PB		 1068 int sockfd = tgetl(vptr);
1069 int how = tgetl(vptr + n);
7854b056
FB		 1070
1071 ret = get_errno(shutdown(sockfd, how));
1072 }
31e31b8a
FB		 1073 break;
1074 case SOCKOP_sendmsg:
1075 case SOCKOP_recvmsg:
1a9353d2
FB		 1076 {
1077 int fd;
53a5960a 1078 target_ulong target_msg;
3532fa74 1079 int flags;
1a9353d2 1080
53a5960a 1081 fd = tgetl(vptr);
3532fa74 1082 target_msg = tgetl(vptr + n);
53a5960a 1083 flags = tgetl(vptr + 2 * n);
3532fa74
FB		 1084
1085 ret = do_sendrecvmsg(fd, target_msg, flags,
1086 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1087 }
1088 break;
31e31b8a 1089 case SOCKOP_setsockopt:
7854b056 1090 {
53a5960a
PB		 1091 int sockfd = tgetl(vptr);
1092 int level = tgetl(vptr + n);
1093 int optname = tgetl(vptr + 2 * n);
1094 target_ulong optval = tgetl(vptr + 3 * n);
1095 socklen_t optlen = tgetl(vptr + 4 * n);
7854b056
FB		 1096
1097 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1098 }
1099 break;
31e31b8a 1100 case SOCKOP_getsockopt:
7854b056 1101 {
53a5960a
PB		 1102 int sockfd = tgetl(vptr);
1103 int level = tgetl(vptr + n);
1104 int optname = tgetl(vptr + 2 * n);
1105 target_ulong optval = tgetl(vptr + 3 * n);
1106 target_ulong poptlen = tgetl(vptr + 4 * n);
7854b056 1107
8853f86e 1108 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
7854b056
FB		 1109 }
1110 break;
31e31b8a
FB		 1111 default:
1112 gemu_log("Unsupported socketcall: %d\n", num);
1113 ret = -ENOSYS;
1114 break;
1115 }
1116 return ret;
1117}
1118
8853f86e
FB		 1119#define N_SHM_REGIONS 32
1120
1121static struct shm_region {
1122 uint32_t start;
1123 uint32_t size;
1124} shm_regions[N_SHM_REGIONS];
1125
fa294816
TS		 1126union semun {
1127 int val;
1128 struct senid_ds *buf;
1129 unsigned short *array;
1130};
1131
53a5960a 1132/* ??? This only works with linear mappings. */
8853f86e
FB		 1133static long do_ipc(long call, long first, long second, long third,
1134 long ptr, long fifth)
1135{
1136 int version;
1137 long ret = 0;
1138 unsigned long raddr;
1139 struct shmid_ds shm_info;
1140 int i;
1141
1142 version = call >> 16;
1143 call &= 0xffff;
1144
1145 switch (call) {
fa294816
TS		 1146 case IPCOP_semop:
1147 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1148 break;
1149
1150 case IPCOP_semget:
1151 ret = get_errno(semget(first, second, third));
1152 break;
1153
1154 case IPCOP_semctl:
1155 ret = get_errno(semctl(first, second, third, ((union semun*)ptr)->val));
1156
1157 break;
1158
1159 case IPCOP_semtimedop:
1160 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1161 ret = -ENOSYS;
1162 break;
d96372ef
TS		 1163
1164 case IPCOP_msgget:
1165 ret = get_errno(msgget(first, second));
1166 break;
1167
1168 case IPCOP_msgsnd:
1169 ret = get_errno(msgsnd(first, (struct msgbuf *) ptr, second, third));
1170 break;
1171
1172 case IPCOP_msgctl:
1173 ret = get_errno(msgctl(first, second, (struct msqid_ds *) ptr));
1174 break;
1175
1176 case IPCOP_msgrcv:
1177 {
1178 struct ipc_kludge
1179 {
1180 void *__unbounded msgp;
1181 long int msgtyp;
1182 };
1183
1184 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1185 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1186
1187 ret = get_errno(msgrcv(first, msgp, second, 0, third));
1188
1189 }
1190 break;
1191
8853f86e
FB		 1192 case IPCOP_shmat:
1193 /* SHM_* flags are the same on all linux platforms */
1194 ret = get_errno((long) shmat(first, (void *) ptr, second));
1195 if (is_error(ret))
1196 break;
1197 raddr = ret;
1198 /* find out the length of the shared memory segment */
1199
1200 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1201 if (is_error(ret)) {
1202 /* can't get length, bail out */
1203 shmdt((void *) raddr);
1204 break;
1205 }
1206 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1207 PAGE_VALID | PAGE_READ |
1208 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1209 for (i = 0; i < N_SHM_REGIONS; ++i) {
1210 if (shm_regions[i].start == 0) {
1211 shm_regions[i].start = raddr;
1212 shm_regions[i].size = shm_info.shm_segsz;
1213 break;
1214 }
1215 }
1216 if (put_user(raddr, (uint32_t *)third))
1217 return -EFAULT;
1218 ret = 0;
1219 break;
1220 case IPCOP_shmdt:
1221 for (i = 0; i < N_SHM_REGIONS; ++i) {
1222 if (shm_regions[i].start == ptr) {
1223 shm_regions[i].start = 0;
1224 page_set_flags(ptr, shm_regions[i].size, 0);
1225 break;
1226 }
1227 }
1228 ret = get_errno(shmdt((void *) ptr));
1229 break;
1230
1231 case IPCOP_shmget:
1232 /* IPC_* flag values are the same on all linux platforms */
1233 ret = get_errno(shmget(first, second, third));
1234 break;
1235
1236 /* IPC_* and SHM_* command values are the same on all linux platforms */
1237 case IPCOP_shmctl:
1238 switch(second) {
1239 case IPC_RMID:
1240 case SHM_LOCK:
1241 case SHM_UNLOCK:
1242 ret = get_errno(shmctl(first, second, NULL));
1243 break;
1244 default:
1245 goto unimplemented;
1246 }
1247 break;
1248 default:
1249 unimplemented:
1250 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1251 ret = -ENOSYS;
1252 break;
1253 }
1254 return ret;
1255}
1256
31e31b8a
FB		 1257/* kernel structure types definitions */
1258#define IFNAMSIZ 16
1259
1260#define STRUCT(name, list...) STRUCT_ ## name,
1261#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1262enum {
1263#include "syscall_types.h"
1264};
1265#undef STRUCT
1266#undef STRUCT_SPECIAL
1267
1268#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1269#define STRUCT_SPECIAL(name)
1270#include "syscall_types.h"
1271#undef STRUCT
1272#undef STRUCT_SPECIAL
1273
1274typedef struct IOCTLEntry {
2ab83ea7
FB		 1275 unsigned int target_cmd;
1276 unsigned int host_cmd;
31e31b8a
FB		 1277 const char *name;
1278 int access;
1a9353d2 1279 const argtype arg_type[5];
31e31b8a
FB		 1280} IOCTLEntry;
1281
1282#define IOC_R 0x0001
1283#define IOC_W 0x0002
1284#define IOC_RW (IOC_R | IOC_W)
1285
1286#define MAX_STRUCT_SIZE 4096
1287
2ab83ea7 1288IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 1289#define IOCTL(cmd, access, types...) \
1290 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1291#include "ioctls.h"
1292 { 0, 0, },
1293};
1294
53a5960a 1295/* ??? Implement proper locking for ioctls. */
31e31b8a
FB		 1296static long do_ioctl(long fd, long cmd, long arg)
1297{
1298 const IOCTLEntry *ie;
1299 const argtype *arg_type;
1300 long ret;
1301 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 1302 int target_size;
1303 void *argptr;
31e31b8a
FB		 1304
1305 ie = ioctl_entries;
1306 for(;;) {
1307 if (ie->target_cmd == 0) {
1308 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1309 return -ENOSYS;
1310 }
1311 if (ie->target_cmd == cmd)
1312 break;
1313 ie++;
1314 }
1315 arg_type = ie->arg_type;
9de5e440 1316#if defined(DEBUG)
72f03900
FB		 1317 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1318#endif
31e31b8a
FB		 1319 switch(arg_type[0]) {
1320 case TYPE_NULL:
1321 /* no argument */
1322 ret = get_errno(ioctl(fd, ie->host_cmd));
1323 break;
1324 case TYPE_PTRVOID:
1325 case TYPE_INT:
1326 /* int argment */
1327 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1328 break;
1329 case TYPE_PTR:
1330 arg_type++;
53a5960a 1331 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 1332 switch(ie->access) {
1333 case IOC_R:
1334 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1335 if (!is_error(ret)) {
53a5960a
PB		 1336 argptr = lock_user(arg, target_size, 0);
1337 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1338 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1339 }
1340 break;
1341 case IOC_W:
53a5960a
PB		 1342 argptr = lock_user(arg, target_size, 1);
1343 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1344 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1345 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1346 break;
1347 default:
1348 case IOC_RW:
53a5960a
PB		 1349 argptr = lock_user(arg, target_size, 1);
1350 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1351 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1352 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1353 if (!is_error(ret)) {
53a5960a
PB		 1354 argptr = lock_user(arg, target_size, 0);
1355 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1356 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1357 }
1358 break;
1359 }
1360 break;
1361 default:
1362 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1363 ret = -ENOSYS;
1364 break;
1365 }
1366 return ret;
1367}
1368
1369bitmask_transtbl iflag_tbl[] = {
1370 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1371 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1372 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1373 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1374 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1375 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1376 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1377 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1378 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1379 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1380 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1381 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1382 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1383 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1384 { 0, 0, 0, 0 }
1385};
1386
1387bitmask_transtbl oflag_tbl[] = {
1388 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1389 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1390 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1391 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1392 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1393 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1394 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1395 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1396 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1397 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1398 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1399 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1400 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1401 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1402 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1403 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1404 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1405 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1406 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1407 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1408 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1409 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1410 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1411 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1412 { 0, 0, 0, 0 }
1413};
1414
1415bitmask_transtbl cflag_tbl[] = {
1416 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1417 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1418 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1419 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1420 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1421 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1422 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1423 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1424 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1425 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1426 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1427 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1428 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1429 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1430 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1431 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1432 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1433 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1434 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1435 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1436 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1437 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1438 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1439 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1440 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1441 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1442 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1443 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1444 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1445 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1446 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1447 { 0, 0, 0, 0 }
1448};
1449
1450bitmask_transtbl lflag_tbl[] = {
1451 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1452 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1453 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1454 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1455 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1456 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1457 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1458 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1459 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1460 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1461 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1462 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1463 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1464 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1465 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1466 { 0, 0, 0, 0 }
1467};
1468
1469static void target_to_host_termios (void *dst, const void *src)
1470{
1471 struct host_termios *host = dst;
1472 const struct target_termios *target = src;
1473
1474 host->c_iflag =
1475 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1476 host->c_oflag =
1477 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1478 host->c_cflag =
1479 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1480 host->c_lflag =
1481 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1482 host->c_line = target->c_line;
1483
1484 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1485 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1486 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1487 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1488 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1489 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1490 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1491 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1492 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1493 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1494 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1495 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1496 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1497 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1498 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1499 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1500 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1501}
1502
1503static void host_to_target_termios (void *dst, const void *src)
1504{
1505 struct target_termios *target = dst;
1506 const struct host_termios *host = src;
1507
1508 target->c_iflag =
1509 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1510 target->c_oflag =
1511 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1512 target->c_cflag =
1513 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1514 target->c_lflag =
1515 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1516 target->c_line = host->c_line;
1517
1518 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1519 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1520 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1521 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1522 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1523 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1524 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1525 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1526 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1527 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1528 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1529 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1530 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1531 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1532 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1533 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1534 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1535}
1536
1537StructEntry struct_termios_def = {
1538 .convert = { host_to_target_termios, target_to_host_termios },
1539 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1540 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1541};
1542
5286db75
FB		 1543static bitmask_transtbl mmap_flags_tbl[] = {
1544 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1545 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1546 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1547 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1548 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1549 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1550 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1551 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1552 { 0, 0, 0, 0 }
1553};
1554
ffa65c3b
FB		 1555static bitmask_transtbl fcntl_flags_tbl[] = {
1556 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1557 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1558 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1559 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1560 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1561 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1562 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1563 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1564 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1565 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1566 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1567 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1568 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 1569#if defined(O_DIRECT)
ffa65c3b 1570 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 1571#endif
ffa65c3b
FB		 1572 { 0, 0, 0, 0 }
1573};
1574
2ab83ea7 1575#if defined(TARGET_I386)
6dbad63e
FB		 1576
1577/* NOTE: there is really one LDT for all the threads */
1578uint8_t *ldt_table;
1579
53a5960a 1580static int read_ldt(target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1581{
1582 int size;
53a5960a 1583 void *p;
6dbad63e
FB		 1584
1585 if (!ldt_table)
1586 return 0;
1587 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1588 if (size > bytecount)
1589 size = bytecount;
53a5960a
PB		 1590 p = lock_user(ptr, size, 0);
1591 /* ??? Shoudl this by byteswapped? */
1592 memcpy(p, ldt_table, size);
1593 unlock_user(p, ptr, size);
6dbad63e
FB		 1594 return size;
1595}
1596
1597/* XXX: add locking support */
1598static int write_ldt(CPUX86State *env,
53a5960a 1599 target_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 1600{
1601 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 1602 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e
FB		 1603 int seg_32bit, contents, read_exec_only, limit_in_pages;
1604 int seg_not_present, useable;
1605 uint32_t *lp, entry_1, entry_2;
1606
1607 if (bytecount != sizeof(ldt_info))
1608 return -EINVAL;
53a5960a
PB		 1609 lock_user_struct(target_ldt_info, ptr, 1);
1610 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1611 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1612 ldt_info.limit = tswap32(target_ldt_info->limit);
1613 ldt_info.flags = tswap32(target_ldt_info->flags);
1614 unlock_user_struct(target_ldt_info, ptr, 0);
6dbad63e
FB		 1615
1616 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1617 return -EINVAL;
1618 seg_32bit = ldt_info.flags & 1;
1619 contents = (ldt_info.flags >> 1) & 3;
1620 read_exec_only = (ldt_info.flags >> 3) & 1;
1621 limit_in_pages = (ldt_info.flags >> 4) & 1;
1622 seg_not_present = (ldt_info.flags >> 5) & 1;
1623 useable = (ldt_info.flags >> 6) & 1;
1624
1625 if (contents == 3) {
1626 if (oldmode)
1627 return -EINVAL;
1628 if (seg_not_present == 0)
1629 return -EINVAL;
1630 }
1631 /* allocate the LDT */
1632 if (!ldt_table) {
1633 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1634 if (!ldt_table)
1635 return -ENOMEM;
1636 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
53a5960a 1637 env->ldt.base = h2g(ldt_table);
6dbad63e
FB		 1638 env->ldt.limit = 0xffff;
1639 }
1640
1641 /* NOTE: same code as Linux kernel */
1642 /* Allow LDTs to be cleared by the user. */
1643 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1644 if (oldmode ||
1645 (contents == 0 &&
1646 read_exec_only == 1 &&
1647 seg_32bit == 0 &&
1648 limit_in_pages == 0 &&
1649 seg_not_present == 1 &&
1650 useable == 0 )) {
1651 entry_1 = 0;
1652 entry_2 = 0;
1653 goto install;
1654 }
1655 }
1656
1657 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1658 (ldt_info.limit & 0x0ffff);
1659 entry_2 = (ldt_info.base_addr & 0xff000000) |
1660 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1661 (ldt_info.limit & 0xf0000) |
1662 ((read_exec_only ^ 1) << 9) |
1663 (contents << 10) |
1664 ((seg_not_present ^ 1) << 15) |
1665 (seg_32bit << 22) |
1666 (limit_in_pages << 23) |
1667 0x7000;
1668 if (!oldmode)
1669 entry_2 |= (useable << 20);
14ae3ba7 1670
6dbad63e
FB		 1671 /* Install the new entry ... */
1672install:
1673 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1674 lp[0] = tswap32(entry_1);
1675 lp[1] = tswap32(entry_2);
1676 return 0;
1677}
1678
1679/* specific and weird i386 syscalls */
53a5960a 1680int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1681{
1682 int ret = -ENOSYS;
1683
1684 switch (func) {
1685 case 0:
1686 ret = read_ldt(ptr, bytecount);
1687 break;
1688 case 1:
1689 ret = write_ldt(env, ptr, bytecount, 1);
1690 break;
1691 case 0x11:
1692 ret = write_ldt(env, ptr, bytecount, 0);
1693 break;
1694 }
1695 return ret;
1696}
1b6b029e 1697
2ab83ea7
FB		 1698#endif /* defined(TARGET_I386) */
1699
1b6b029e
FB		 1700/* this stack is the equivalent of the kernel stack associated with a
1701 thread/process */
1702#define NEW_STACK_SIZE 8192
1703
1704static int clone_func(void *arg)
1705{
2ab83ea7 1706 CPUState *env = arg;
1b6b029e
FB		 1707 cpu_loop(env);
1708 /* never exits */
1709 return 0;
1710}
1711
2ab83ea7 1712int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1b6b029e
FB		 1713{
1714 int ret;
5cd4393b 1715 TaskState *ts;
1b6b029e 1716 uint8_t *new_stack;
2ab83ea7 1717 CPUState *new_env;
1b6b029e
FB		 1718
1719 if (flags & CLONE_VM) {
5cd4393b
FB		 1720 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1721 memset(ts, 0, sizeof(TaskState));
1722 new_stack = ts->stack;
1723 ts->used = 1;
1724 /* add in task state list */
1725 ts->next = first_task_state;
1726 first_task_state = ts;
1b6b029e 1727 /* we create a new CPU instance. */
c5be9f08 1728 new_env = cpu_copy(env);
2ab83ea7
FB		 1729#if defined(TARGET_I386)
1730 if (!newsp)
1731 newsp = env->regs[R_ESP];
1b6b029e
FB		 1732 new_env->regs[R_ESP] = newsp;
1733 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 1734#elif defined(TARGET_ARM)
1735 if (!newsp)
1736 newsp = env->regs[13];
1737 new_env->regs[13] = newsp;
1738 new_env->regs[0] = 0;
ebc05488 1739#elif defined(TARGET_SPARC)
48dc41eb
FB		 1740 if (!newsp)
1741 newsp = env->regwptr[22];
1742 new_env->regwptr[22] = newsp;
1743 new_env->regwptr[0] = 0;
1744 /* XXXXX */
67867308 1745 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
e6e5906b
PB		 1746#elif defined(TARGET_M68K)
1747 if (!newsp)
1748 newsp = env->aregs[7];
1749 new_env->aregs[7] = newsp;
1750 new_env->dregs[0] = 0;
1751 /* ??? is this sufficient? */
048f6b4d
FB		 1752#elif defined(TARGET_MIPS)
1753 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
67867308
FB		 1754#elif defined(TARGET_PPC)
1755 if (!newsp)
1756 newsp = env->gpr[1];
1757 new_env->gpr[1] = newsp;
1758 {
1759 int i;
1760 for (i = 7; i < 32; i++)
1761 new_env->gpr[i] = 0;
1762 }
fdf9b3e8
FB		 1763#elif defined(TARGET_SH4)
1764 if (!newsp)
1765 newsp = env->gregs[15];
1766 new_env->gregs[15] = newsp;
1767 /* XXXXX */
7a3148a9
JM		 1768#elif defined(TARGET_ALPHA)
1769 if (!newsp)
1770 newsp = env->ir[30];
1771 new_env->ir[30] = newsp;
1772 /* ? */
1773 {
1774 int i;
1775 for (i = 7; i < 30; i++)
1776 new_env->ir[i] = 0;
1777 }
2ab83ea7
FB		 1778#else
1779#error unsupported target CPU
1780#endif
5cd4393b 1781 new_env->opaque = ts;
27725c1d 1782#ifdef __ia64__
fd4a43e4 1783 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 1784#else
1785 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1786#endif
1b6b029e
FB		 1787 } else {
1788 /* if no CLONE_VM, we consider it is a fork */
1789 if ((flags & ~CSIGNAL) != 0)
1790 return -EINVAL;
1791 ret = fork();
1792 }
1793 return ret;
1794}
1795
53a5960a 1796static long do_fcntl(int fd, int cmd, target_ulong arg)
7775e9ec
FB		 1797{
1798 struct flock fl;
53a5960a 1799 struct target_flock *target_fl;
43f238d7
TS		 1800 struct flock64 fl64;
1801 struct target_flock64 *target_fl64;
7775e9ec 1802 long ret;
53a5960a 1803
7775e9ec
FB		 1804 switch(cmd) {
1805 case TARGET_F_GETLK:
5813427b
TS		 1806 lock_user_struct(target_fl, arg, 1);
1807 fl.l_type = tswap16(target_fl->l_type);
1808 fl.l_whence = tswap16(target_fl->l_whence);
1809 fl.l_start = tswapl(target_fl->l_start);
1810 fl.l_len = tswapl(target_fl->l_len);
1811 fl.l_pid = tswapl(target_fl->l_pid);
1812 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1813 ret = fcntl(fd, cmd, &fl);
1814 if (ret == 0) {
53a5960a 1815 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1816 target_fl->l_type = tswap16(fl.l_type);
1817 target_fl->l_whence = tswap16(fl.l_whence);
1818 target_fl->l_start = tswapl(fl.l_start);
1819 target_fl->l_len = tswapl(fl.l_len);
1820 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 1821 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1822 }
1823 break;
1824
1825 case TARGET_F_SETLK:
1826 case TARGET_F_SETLKW:
53a5960a 1827 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1828 fl.l_type = tswap16(target_fl->l_type);
1829 fl.l_whence = tswap16(target_fl->l_whence);
1830 fl.l_start = tswapl(target_fl->l_start);
1831 fl.l_len = tswapl(target_fl->l_len);
1832 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 1833 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1834 ret = fcntl(fd, cmd, &fl);
1835 break;
1836
1837 case TARGET_F_GETLK64:
5813427b
TS		 1838 lock_user_struct(target_fl64, arg, 1);
1839 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1840 fl64.l_whence = tswap16(target_fl64->l_whence);
1841 fl64.l_start = tswapl(target_fl64->l_start);
1842 fl64.l_len = tswapl(target_fl64->l_len);
1843 fl64.l_pid = tswap16(target_fl64->l_pid);
1844 unlock_user_struct(target_fl64, arg, 0);
43f238d7
TS		 1845 ret = fcntl(fd, cmd >> 1, &fl64);
1846 if (ret == 0) {
1847 lock_user_struct(target_fl64, arg, 0);
1848 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
1849 target_fl64->l_whence = tswap16(fl64.l_whence);
1850 target_fl64->l_start = tswapl(fl64.l_start);
1851 target_fl64->l_len = tswapl(fl64.l_len);
1852 target_fl64->l_pid = tswapl(fl64.l_pid);
1853 unlock_user_struct(target_fl64, arg, 1);
1854 }
1855 break;
7775e9ec
FB		 1856 case TARGET_F_SETLK64:
1857 case TARGET_F_SETLKW64:
43f238d7
TS		 1858 lock_user_struct(target_fl64, arg, 1);
1859 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1860 fl64.l_whence = tswap16(target_fl64->l_whence);
1861 fl64.l_start = tswapl(target_fl64->l_start);
1862 fl64.l_len = tswapl(target_fl64->l_len);
1863 fl64.l_pid = tswap16(target_fl64->l_pid);
1864 unlock_user_struct(target_fl64, arg, 0);
1865 ret = fcntl(fd, cmd >> 1, &fl64);
7775e9ec
FB		 1866 break;
1867
ffa65c3b
FB		 1868 case F_GETFL:
1869 ret = fcntl(fd, cmd, arg);
1870 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1871 break;
1872
1873 case F_SETFL:
1874 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1875 break;
1876
7775e9ec
FB		 1877 default:
1878 ret = fcntl(fd, cmd, arg);
1879 break;
1880 }
1881 return ret;
1882}
1883
67867308 1884#ifdef USE_UID16
7775e9ec 1885
67867308
FB		 1886static inline int high2lowuid(int uid)
1887{
1888 if (uid > 65535)
1889 return 65534;
1890 else
1891 return uid;
1892}
1893
1894static inline int high2lowgid(int gid)
1895{
1896 if (gid > 65535)
1897 return 65534;
1898 else
1899 return gid;
1900}
1901
1902static inline int low2highuid(int uid)
1903{
1904 if ((int16_t)uid == -1)
1905 return -1;
1906 else
1907 return uid;
1908}
1909
1910static inline int low2highgid(int gid)
1911{
1912 if ((int16_t)gid == -1)
1913 return -1;
1914 else
1915 return gid;
1916}
1917
1918#endif /* USE_UID16 */
1b6b029e 1919
31e31b8a
FB		 1920void syscall_init(void)
1921{
2ab83ea7
FB		 1922 IOCTLEntry *ie;
1923 const argtype *arg_type;
1924 int size;
1925
31e31b8a
FB		 1926#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1927#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1928#include "syscall_types.h"
1929#undef STRUCT
1930#undef STRUCT_SPECIAL
2ab83ea7
FB		 1931
1932 /* we patch the ioctl size if necessary. We rely on the fact that
1933 no ioctl has all the bits at '1' in the size field */
1934 ie = ioctl_entries;
1935 while (ie->target_cmd != 0) {
1936 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1937 TARGET_IOC_SIZEMASK) {
1938 arg_type = ie->arg_type;
1939 if (arg_type[0] != TYPE_PTR) {
1940 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1941 ie->target_cmd);
1942 exit(1);
1943 }
1944 arg_type++;
1945 size = thunk_type_size(arg_type, 0);
1946 ie->target_cmd = (ie->target_cmd &
1947 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1948 (size << TARGET_IOC_SIZESHIFT);
1949 }
1950 /* automatic consistency check if same arch */
1951#if defined(__i386__) && defined(TARGET_I386)
1952 if (ie->target_cmd != ie->host_cmd) {
1953 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1954 ie->target_cmd, ie->host_cmd);
1955 }
1956#endif
1957 ie++;
1958 }
31e31b8a 1959}
c573ff67 1960
ce4defa0
PB		 1961static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1962{
1963#ifdef TARGET_WORDS_BIG_ENDIAN
1964 return ((uint64_t)word0 << 32) | word1;
1965#else
1966 return ((uint64_t)word1 << 32) | word0;
1967#endif
1968}
1969
1970#ifdef TARGET_NR_truncate64
1971static inline long target_truncate64(void *cpu_env, const char *arg1,
1972 long arg2, long arg3, long arg4)
1973{
1974#ifdef TARGET_ARM
1975 if (((CPUARMState *)cpu_env)->eabi)
1976 {
1977 arg2 = arg3;
1978 arg3 = arg4;
1979 }
1980#endif
1981 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1982}
1983#endif
1984
1985#ifdef TARGET_NR_ftruncate64
1986static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1987 long arg3, long arg4)
1988{
1989#ifdef TARGET_ARM
1990 if (((CPUARMState *)cpu_env)->eabi)
1991 {
1992 arg2 = arg3;
1993 arg3 = arg4;
1994 }
1995#endif
1996 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1997}
1998#endif
1999
53a5960a
PB		 2000static inline void target_to_host_timespec(struct timespec *host_ts,
2001 target_ulong target_addr)
2002{
2003 struct target_timespec *target_ts;
2004
2005 lock_user_struct(target_ts, target_addr, 1);
2006 host_ts->tv_sec = tswapl(target_ts->tv_sec);
2007 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2008 unlock_user_struct(target_ts, target_addr, 0);
2009}
2010
2011static inline void host_to_target_timespec(target_ulong target_addr,
2012 struct timespec *host_ts)
2013{
2014 struct target_timespec *target_ts;
2015
2016 lock_user_struct(target_ts, target_addr, 0);
2017 target_ts->tv_sec = tswapl(host_ts->tv_sec);
2018 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2019 unlock_user_struct(target_ts, target_addr, 1);
2020}
2021
6dbad63e 2022long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 2023 long arg4, long arg5, long arg6)
2024{
2025 long ret;
2026 struct stat st;
56c8f68f 2027 struct statfs stfs;
53a5960a 2028 void *p;
31e31b8a 2029
72f03900 2030#ifdef DEBUG
c573ff67 2031 gemu_log("syscall %d", num);
72f03900 2032#endif
31e31b8a
FB		 2033 switch(num) {
2034 case TARGET_NR_exit:
7d13299d
FB		 2035#ifdef HAVE_GPROF
2036 _mcleanup();
2037#endif
e9009676 2038 gdb_exit(cpu_env, arg1);
1b6b029e 2039 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 2040 _exit(arg1);
2041 ret = 0; /* avoid warning */
2042 break;
2043 case TARGET_NR_read:
53a5960a
PB		 2044 page_unprotect_range(arg2, arg3);
2045 p = lock_user(arg2, arg3, 0);
2046 ret = get_errno(read(arg1, p, arg3));
2047 unlock_user(p, arg2, ret);
31e31b8a
FB		 2048 break;
2049 case TARGET_NR_write:
53a5960a
PB		 2050 p = lock_user(arg2, arg3, 1);
2051 ret = get_errno(write(arg1, p, arg3));
2052 unlock_user(p, arg2, 0);
31e31b8a
FB		 2053 break;
2054 case TARGET_NR_open:
53a5960a
PB		 2055 p = lock_user_string(arg1);
2056 ret = get_errno(open(path(p),
ffa65c3b
FB		 2057 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2058 arg3));
53a5960a 2059 unlock_user(p, arg1, 0);
31e31b8a
FB		 2060 break;
2061 case TARGET_NR_close:
2062 ret = get_errno(close(arg1));
2063 break;
2064 case TARGET_NR_brk:
53a5960a 2065 ret = do_brk(arg1);
31e31b8a
FB		 2066 break;
2067 case TARGET_NR_fork:
1b6b029e 2068 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a 2069 break;
e5febef5 2070#ifdef TARGET_NR_waitpid
31e31b8a
FB		 2071 case TARGET_NR_waitpid:
2072 {
53a5960a
PB		 2073 int status;
2074 ret = get_errno(waitpid(arg1, &status, arg3));
2075 if (!is_error(ret) && arg2)
2076 tput32(arg2, status);
31e31b8a
FB		 2077 }
2078 break;
e5febef5 2079#endif
7a3148a9 2080#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 2081 case TARGET_NR_creat:
53a5960a
PB		 2082 p = lock_user_string(arg1);
2083 ret = get_errno(creat(p, arg2));
2084 unlock_user(p, arg1, 0);
31e31b8a 2085 break;
7a3148a9 2086#endif
31e31b8a 2087 case TARGET_NR_link:
53a5960a
PB		 2088 {
2089 void * p2;
2090 p = lock_user_string(arg1);
2091 p2 = lock_user_string(arg2);
2092 ret = get_errno(link(p, p2));
2093 unlock_user(p2, arg2, 0);
2094 unlock_user(p, arg1, 0);
2095 }
31e31b8a
FB		 2096 break;
2097 case TARGET_NR_unlink:
53a5960a
PB		 2098 p = lock_user_string(arg1);
2099 ret = get_errno(unlink(p));
2100 unlock_user(p, arg1, 0);
31e31b8a
FB		 2101 break;
2102 case TARGET_NR_execve:
7854b056
FB		 2103 {
2104 char **argp, **envp;
f7341ff4 2105 int argc, envc;
53a5960a
PB		 2106 target_ulong gp;
2107 target_ulong guest_argp;
2108 target_ulong guest_envp;
2109 target_ulong addr;
7854b056
FB		 2110 char **q;
2111
f7341ff4 2112 argc = 0;
53a5960a
PB		 2113 guest_argp = arg2;
2114 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2115 argc++;
f7341ff4 2116 envc = 0;
53a5960a
PB		 2117 guest_envp = arg3;
2118 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2119 envc++;
2120
f7341ff4
FB		 2121 argp = alloca((argc + 1) * sizeof(void *));
2122 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2123
53a5960a
PB		 2124 for (gp = guest_argp, q = argp; ;
2125 gp += sizeof(target_ulong), q++) {
2126 addr = tgetl(gp);
2127 if (!addr)
2128 break;
2129 *q = lock_user_string(addr);
2130 }
f7341ff4
FB		 2131 *q = NULL;
2132
53a5960a
PB		 2133 for (gp = guest_envp, q = envp; ;
2134 gp += sizeof(target_ulong), q++) {
2135 addr = tgetl(gp);
2136 if (!addr)
2137 break;
2138 *q = lock_user_string(addr);
2139 }
f7341ff4 2140 *q = NULL;
7854b056 2141
53a5960a
PB		 2142 p = lock_user_string(arg1);
2143 ret = get_errno(execve(p, argp, envp));
2144 unlock_user(p, arg1, 0);
2145
2146 for (gp = guest_argp, q = argp; *q;
2147 gp += sizeof(target_ulong), q++) {
2148 addr = tgetl(gp);
2149 unlock_user(*q, addr, 0);
2150 }
2151 for (gp = guest_envp, q = envp; *q;
2152 gp += sizeof(target_ulong), q++) {
2153 addr = tgetl(gp);
2154 unlock_user(*q, addr, 0);
2155 }
7854b056 2156 }
31e31b8a
FB		 2157 break;
2158 case TARGET_NR_chdir:
53a5960a
PB		 2159 p = lock_user_string(arg1);
2160 ret = get_errno(chdir(p));
2161 unlock_user(p, arg1, 0);
31e31b8a 2162 break;
a315a145 2163#ifdef TARGET_NR_time
31e31b8a
FB		 2164 case TARGET_NR_time:
2165 {
53a5960a
PB		 2166 time_t host_time;
2167 ret = get_errno(time(&host_time));
2168 if (!is_error(ret) && arg1)
2169 tputl(arg1, host_time);
31e31b8a
FB		 2170 }
2171 break;
a315a145 2172#endif
31e31b8a 2173 case TARGET_NR_mknod:
53a5960a
PB		 2174 p = lock_user_string(arg1);
2175 ret = get_errno(mknod(p, arg2, arg3));
2176 unlock_user(p, arg1, 0);
31e31b8a
FB		 2177 break;
2178 case TARGET_NR_chmod:
53a5960a
PB		 2179 p = lock_user_string(arg1);
2180 ret = get_errno(chmod(p, arg2));
2181 unlock_user(p, arg1, 0);
31e31b8a 2182 break;
ebc05488 2183#ifdef TARGET_NR_break
31e31b8a
FB		 2184 case TARGET_NR_break:
2185 goto unimplemented;
ebc05488
FB		 2186#endif
2187#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2188 case TARGET_NR_oldstat:
2189 goto unimplemented;
ebc05488 2190#endif
31e31b8a
FB		 2191 case TARGET_NR_lseek:
2192 ret = get_errno(lseek(arg1, arg2, arg3));
2193 break;
7a3148a9
JM		 2194#ifdef TARGET_NR_getxpid
2195 case TARGET_NR_getxpid:
2196#else
31e31b8a 2197 case TARGET_NR_getpid:
7a3148a9 2198#endif
31e31b8a
FB		 2199 ret = get_errno(getpid());
2200 break;
2201 case TARGET_NR_mount:
80265918
TS		 2202 {
2203 /* need to look at the data field */
2204 void *p2, *p3;
2205 p = lock_user_string(arg1);
2206 p2 = lock_user_string(arg2);
2207 p3 = lock_user_string(arg3);
2208 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2209 unlock_user(p, arg1, 0);
2210 unlock_user(p2, arg2, 0);
2211 unlock_user(p3, arg3, 0);
2212 break;
2213 }
e5febef5 2214#ifdef TARGET_NR_umount
31e31b8a 2215 case TARGET_NR_umount:
53a5960a
PB		 2216 p = lock_user_string(arg1);
2217 ret = get_errno(umount(p));
2218 unlock_user(p, arg1, 0);
31e31b8a 2219 break;
e5febef5 2220#endif
7a3148a9 2221#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 2222 case TARGET_NR_stime:
2223 {
53a5960a
PB		 2224 time_t host_time;
2225 host_time = tgetl(arg1);
2226 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2227 }
2228 break;
7a3148a9 2229#endif
31e31b8a
FB		 2230 case TARGET_NR_ptrace:
2231 goto unimplemented;
7a3148a9 2232#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 2233 case TARGET_NR_alarm:
2234 ret = alarm(arg1);
2235 break;
7a3148a9 2236#endif
ebc05488 2237#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2238 case TARGET_NR_oldfstat:
2239 goto unimplemented;
ebc05488 2240#endif
7a3148a9 2241#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 2242 case TARGET_NR_pause:
2243 ret = get_errno(pause());
2244 break;
7a3148a9 2245#endif
e5febef5 2246#ifdef TARGET_NR_utime
31e31b8a 2247 case TARGET_NR_utime:
ebc05488 2248 {
53a5960a
PB		 2249 struct utimbuf tbuf, *host_tbuf;
2250 struct target_utimbuf *target_tbuf;
2251 if (arg2) {
2252 lock_user_struct(target_tbuf, arg2, 1);
2253 tbuf.actime = tswapl(target_tbuf->actime);
2254 tbuf.modtime = tswapl(target_tbuf->modtime);
2255 unlock_user_struct(target_tbuf, arg2, 0);
2256 host_tbuf = &tbuf;
f72e8ff4 2257 } else {
53a5960a 2258 host_tbuf = NULL;
f72e8ff4 2259 }
53a5960a
PB		 2260 p = lock_user_string(arg1);
2261 ret = get_errno(utime(p, host_tbuf));
2262 unlock_user(p, arg1, 0);
ebc05488
FB		 2263 }
2264 break;
e5febef5 2265#endif
978a66ff
FB		 2266 case TARGET_NR_utimes:
2267 {
978a66ff 2268 struct timeval *tvp, tv[2];
53a5960a
PB		 2269 if (arg2) {
2270 target_to_host_timeval(&tv[0], arg2);
2271 target_to_host_timeval(&tv[1],
2272 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2273 tvp = tv;
2274 } else {
2275 tvp = NULL;
2276 }
53a5960a
PB		 2277 p = lock_user_string(arg1);
2278 ret = get_errno(utimes(p, tvp));
2279 unlock_user(p, arg1, 0);
978a66ff
FB		 2280 }
2281 break;
ebc05488 2282#ifdef TARGET_NR_stty
31e31b8a
FB		 2283 case TARGET_NR_stty:
2284 goto unimplemented;
ebc05488
FB		 2285#endif
2286#ifdef TARGET_NR_gtty
31e31b8a
FB		 2287 case TARGET_NR_gtty:
2288 goto unimplemented;
ebc05488 2289#endif
31e31b8a 2290 case TARGET_NR_access:
53a5960a
PB		 2291 p = lock_user_string(arg1);
2292 ret = get_errno(access(p, arg2));
2293 unlock_user(p, arg1, 0);
31e31b8a 2294 break;
7a3148a9 2295#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 2296 case TARGET_NR_nice:
2297 ret = get_errno(nice(arg1));
2298 break;
7a3148a9 2299#endif
ebc05488 2300#ifdef TARGET_NR_ftime
31e31b8a
FB		 2301 case TARGET_NR_ftime:
2302 goto unimplemented;
ebc05488 2303#endif
31e31b8a 2304 case TARGET_NR_sync:
04369ff2
FB		 2305 sync();
2306 ret = 0;
31e31b8a
FB		 2307 break;
2308 case TARGET_NR_kill:
2309 ret = get_errno(kill(arg1, arg2));
2310 break;
2311 case TARGET_NR_rename:
53a5960a
PB		 2312 {
2313 void *p2;
2314 p = lock_user_string(arg1);
2315 p2 = lock_user_string(arg2);
2316 ret = get_errno(rename(p, p2));
2317 unlock_user(p2, arg2, 0);
2318 unlock_user(p, arg1, 0);
2319 }
31e31b8a
FB		 2320 break;
2321 case TARGET_NR_mkdir:
53a5960a
PB		 2322 p = lock_user_string(arg1);
2323 ret = get_errno(mkdir(p, arg2));
2324 unlock_user(p, arg1, 0);
31e31b8a
FB		 2325 break;
2326 case TARGET_NR_rmdir:
53a5960a
PB		 2327 p = lock_user_string(arg1);
2328 ret = get_errno(rmdir(p));
2329 unlock_user(p, arg1, 0);
31e31b8a
FB		 2330 break;
2331 case TARGET_NR_dup:
2332 ret = get_errno(dup(arg1));
2333 break;
2334 case TARGET_NR_pipe:
2335 {
53a5960a
PB		 2336 int host_pipe[2];
2337 ret = get_errno(pipe(host_pipe));
31e31b8a 2338 if (!is_error(ret)) {
53a5960a
PB		 2339 tput32(arg1, host_pipe[0]);
2340 tput32(arg1 + 4, host_pipe[1]);
31e31b8a
FB		 2341 }
2342 }
2343 break;
2344 case TARGET_NR_times:
32f36bce 2345 {
53a5960a 2346 struct target_tms *tmsp;
32f36bce
FB		 2347 struct tms tms;
2348 ret = get_errno(times(&tms));
53a5960a
PB		 2349 if (arg1) {
2350 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 2351 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2352 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2353 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2354 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 2355 }
c596ed17
FB		 2356 if (!is_error(ret))
2357 ret = host_to_target_clock_t(ret);
32f36bce
FB		 2358 }
2359 break;
ebc05488 2360#ifdef TARGET_NR_prof
31e31b8a
FB		 2361 case TARGET_NR_prof:
2362 goto unimplemented;
ebc05488 2363#endif
e5febef5 2364#ifdef TARGET_NR_signal
31e31b8a
FB		 2365 case TARGET_NR_signal:
2366 goto unimplemented;
e5febef5 2367#endif
31e31b8a 2368 case TARGET_NR_acct:
24836689
PB		 2369 p = lock_user_string(arg1);
2370 ret = get_errno(acct(path(p)));
2371 unlock_user(p, arg1, 0);
2372 break;
7a3148a9 2373#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 2374 case TARGET_NR_umount2:
53a5960a
PB		 2375 p = lock_user_string(arg1);
2376 ret = get_errno(umount2(p, arg2));
2377 unlock_user(p, arg1, 0);
31e31b8a 2378 break;
7a3148a9 2379#endif
ebc05488 2380#ifdef TARGET_NR_lock
31e31b8a
FB		 2381 case TARGET_NR_lock:
2382 goto unimplemented;
ebc05488 2383#endif
31e31b8a
FB		 2384 case TARGET_NR_ioctl:
2385 ret = do_ioctl(arg1, arg2, arg3);
2386 break;
2387 case TARGET_NR_fcntl:
7775e9ec 2388 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 2389 break;
ebc05488 2390#ifdef TARGET_NR_mpx
31e31b8a
FB		 2391 case TARGET_NR_mpx:
2392 goto unimplemented;
ebc05488 2393#endif
31e31b8a
FB		 2394 case TARGET_NR_setpgid:
2395 ret = get_errno(setpgid(arg1, arg2));
2396 break;
ebc05488 2397#ifdef TARGET_NR_ulimit
31e31b8a
FB		 2398 case TARGET_NR_ulimit:
2399 goto unimplemented;
ebc05488
FB		 2400#endif
2401#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 2402 case TARGET_NR_oldolduname:
2403 goto unimplemented;
ebc05488 2404#endif
31e31b8a
FB		 2405 case TARGET_NR_umask:
2406 ret = get_errno(umask(arg1));
2407 break;
2408 case TARGET_NR_chroot:
53a5960a
PB		 2409 p = lock_user_string(arg1);
2410 ret = get_errno(chroot(p));
2411 unlock_user(p, arg1, 0);
31e31b8a
FB		 2412 break;
2413 case TARGET_NR_ustat:
2414 goto unimplemented;
2415 case TARGET_NR_dup2:
2416 ret = get_errno(dup2(arg1, arg2));
2417 break;
7a3148a9 2418#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 2419 case TARGET_NR_getppid:
2420 ret = get_errno(getppid());
2421 break;
7a3148a9 2422#endif
31e31b8a
FB		 2423 case TARGET_NR_getpgrp:
2424 ret = get_errno(getpgrp());
2425 break;
2426 case TARGET_NR_setsid:
2427 ret = get_errno(setsid());
2428 break;
e5febef5 2429#ifdef TARGET_NR_sigaction
31e31b8a 2430 case TARGET_NR_sigaction:
31e31b8a 2431 {
106ec879 2432 #if !defined(TARGET_MIPS)
53a5960a 2433 struct target_old_sigaction *old_act;
66fb9763 2434 struct target_sigaction act, oact, *pact;
53a5960a
PB		 2435 if (arg2) {
2436 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 2437 act._sa_handler = old_act->_sa_handler;
2438 target_siginitset(&act.sa_mask, old_act->sa_mask);
2439 act.sa_flags = old_act->sa_flags;
2440 act.sa_restorer = old_act->sa_restorer;
53a5960a 2441 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 2442 pact = &act;
2443 } else {
2444 pact = NULL;
2445 }
2446 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 2447 if (!is_error(ret) && arg3) {
2448 lock_user_struct(old_act, arg3, 0);
2449 old_act->_sa_handler = oact._sa_handler;
2450 old_act->sa_mask = oact.sa_mask.sig[0];
2451 old_act->sa_flags = oact.sa_flags;
2452 old_act->sa_restorer = oact.sa_restorer;
2453 unlock_user_struct(old_act, arg3, 1);
66fb9763 2454 }
106ec879
FB		 2455 #else
2456 struct target_sigaction act, oact, *pact, *old_act;
2457
2458 if (arg2) {
2459 lock_user_struct(old_act, arg2, 1);
2460 act._sa_handler = old_act->_sa_handler;
2461 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2462 act.sa_flags = old_act->sa_flags;
2463 unlock_user_struct(old_act, arg2, 0);
2464 pact = &act;
2465 } else {
2466 pact = NULL;
2467 }
2468
2469 ret = get_errno(do_sigaction(arg1, pact, &oact));
2470
2471 if (!is_error(ret) && arg3) {
2472 lock_user_struct(old_act, arg3, 0);
2473 old_act->_sa_handler = oact._sa_handler;
2474 old_act->sa_flags = oact.sa_flags;
2475 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2476 old_act->sa_mask.sig[1] = 0;
2477 old_act->sa_mask.sig[2] = 0;
2478 old_act->sa_mask.sig[3] = 0;
2479 unlock_user_struct(old_act, arg3, 1);
2480 }
2481 #endif
31e31b8a
FB		 2482 }
2483 break;
e5febef5 2484#endif
66fb9763 2485 case TARGET_NR_rt_sigaction:
53a5960a
PB		 2486 {
2487 struct target_sigaction *act;
2488 struct target_sigaction *oact;
2489
2490 if (arg2)
2491 lock_user_struct(act, arg2, 1);
2492 else
2493 act = NULL;
2494 if (arg3)
2495 lock_user_struct(oact, arg3, 0);
2496 else
2497 oact = NULL;
2498 ret = get_errno(do_sigaction(arg1, act, oact));
2499 if (arg2)
2500 unlock_user_struct(act, arg2, 0);
2501 if (arg3)
2502 unlock_user_struct(oact, arg3, 1);
2503 }
66fb9763 2504 break;
7a3148a9 2505#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 2506 case TARGET_NR_sgetmask:
66fb9763
FB		 2507 {
2508 sigset_t cur_set;
2509 target_ulong target_set;
2510 sigprocmask(0, NULL, &cur_set);
2511 host_to_target_old_sigset(&target_set, &cur_set);
2512 ret = target_set;
2513 }
2514 break;
7a3148a9
JM		 2515#endif
2516#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 2517 case TARGET_NR_ssetmask:
66fb9763
FB		 2518 {
2519 sigset_t set, oset, cur_set;
2520 target_ulong target_set = arg1;
2521 sigprocmask(0, NULL, &cur_set);
2522 target_to_host_old_sigset(&set, &target_set);
2523 sigorset(&set, &set, &cur_set);
2524 sigprocmask(SIG_SETMASK, &set, &oset);
2525 host_to_target_old_sigset(&target_set, &oset);
2526 ret = target_set;
2527 }
2528 break;
7a3148a9 2529#endif
e5febef5 2530#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 2531 case TARGET_NR_sigprocmask:
2532 {
2533 int how = arg1;
2534 sigset_t set, oldset, *set_ptr;
66fb9763 2535
53a5960a 2536 if (arg2) {
66fb9763
FB		 2537 switch(how) {
2538 case TARGET_SIG_BLOCK:
2539 how = SIG_BLOCK;
2540 break;
2541 case TARGET_SIG_UNBLOCK:
2542 how = SIG_UNBLOCK;
2543 break;
2544 case TARGET_SIG_SETMASK:
2545 how = SIG_SETMASK;
2546 break;
2547 default:
2548 ret = -EINVAL;
2549 goto fail;
2550 }
53a5960a
PB		 2551 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2552 target_to_host_old_sigset(&set, p);
2553 unlock_user(p, arg2, 0);
66fb9763
FB		 2554 set_ptr = &set;
2555 } else {
2556 how = 0;
2557 set_ptr = NULL;
2558 }
2559 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 2560 if (!is_error(ret) && arg3) {
2561 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2562 host_to_target_old_sigset(p, &oldset);
2563 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2564 }
2565 }
2566 break;
e5febef5 2567#endif
66fb9763
FB		 2568 case TARGET_NR_rt_sigprocmask:
2569 {
2570 int how = arg1;
2571 sigset_t set, oldset, *set_ptr;
66fb9763 2572
53a5960a 2573 if (arg2) {
66fb9763
FB		 2574 switch(how) {
2575 case TARGET_SIG_BLOCK:
2576 how = SIG_BLOCK;
2577 break;
2578 case TARGET_SIG_UNBLOCK:
2579 how = SIG_UNBLOCK;
2580 break;
2581 case TARGET_SIG_SETMASK:
2582 how = SIG_SETMASK;
2583 break;
2584 default:
2585 ret = -EINVAL;
2586 goto fail;
2587 }
53a5960a
PB		 2588 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2589 target_to_host_sigset(&set, p);
2590 unlock_user(p, arg2, 0);
66fb9763
FB		 2591 set_ptr = &set;
2592 } else {
2593 how = 0;
2594 set_ptr = NULL;
2595 }
2596 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 2597 if (!is_error(ret) && arg3) {
2598 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2599 host_to_target_sigset(p, &oldset);
2600 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2601 }
2602 }
2603 break;
e5febef5 2604#ifdef TARGET_NR_sigpending
66fb9763
FB		 2605 case TARGET_NR_sigpending:
2606 {
2607 sigset_t set;
2608 ret = get_errno(sigpending(&set));
2609 if (!is_error(ret)) {
53a5960a
PB		 2610 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2611 host_to_target_old_sigset(p, &set);
2612 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2613 }
2614 }
2615 break;
e5febef5 2616#endif
66fb9763
FB		 2617 case TARGET_NR_rt_sigpending:
2618 {
2619 sigset_t set;
2620 ret = get_errno(sigpending(&set));
2621 if (!is_error(ret)) {
53a5960a
PB		 2622 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2623 host_to_target_sigset(p, &set);
2624 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2625 }
2626 }
2627 break;
e5febef5 2628#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 2629 case TARGET_NR_sigsuspend:
2630 {
2631 sigset_t set;
53a5960a
PB		 2632 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2633 target_to_host_old_sigset(&set, p);
2634 unlock_user(p, arg1, 0);
66fb9763
FB		 2635 ret = get_errno(sigsuspend(&set));
2636 }
2637 break;
e5febef5 2638#endif
66fb9763
FB		 2639 case TARGET_NR_rt_sigsuspend:
2640 {
2641 sigset_t set;
53a5960a
PB		 2642 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2643 target_to_host_sigset(&set, p);
2644 unlock_user(p, arg1, 0);
66fb9763
FB		 2645 ret = get_errno(sigsuspend(&set));
2646 }
2647 break;
2648 case TARGET_NR_rt_sigtimedwait:
2649 {
66fb9763
FB		 2650 sigset_t set;
2651 struct timespec uts, *puts;
2652 siginfo_t uinfo;
2653
53a5960a
PB		 2654 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2655 target_to_host_sigset(&set, p);
2656 unlock_user(p, arg1, 0);
2657 if (arg3) {
66fb9763 2658 puts = &uts;
53a5960a 2659 target_to_host_timespec(puts, arg3);
66fb9763
FB		 2660 } else {
2661 puts = NULL;
2662 }
2663 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 2664 if (!is_error(ret) && arg2) {
2665 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2666 host_to_target_siginfo(p, &uinfo);
2667 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 2668 }
2669 }
2670 break;
2671 case TARGET_NR_rt_sigqueueinfo:
2672 {
2673 siginfo_t uinfo;
53a5960a
PB		 2674 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2675 target_to_host_siginfo(&uinfo, p);
2676 unlock_user(p, arg1, 0);
66fb9763
FB		 2677 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2678 }
2679 break;
e5febef5 2680#ifdef TARGET_NR_sigreturn
66fb9763
FB		 2681 case TARGET_NR_sigreturn:
2682 /* NOTE: ret is eax, so not transcoding must be done */
2683 ret = do_sigreturn(cpu_env);
2684 break;
e5febef5 2685#endif
66fb9763
FB		 2686 case TARGET_NR_rt_sigreturn:
2687 /* NOTE: ret is eax, so not transcoding must be done */
2688 ret = do_rt_sigreturn(cpu_env);
2689 break;
31e31b8a 2690 case TARGET_NR_sethostname:
53a5960a
PB		 2691 p = lock_user_string(arg1);
2692 ret = get_errno(sethostname(p, arg2));
2693 unlock_user(p, arg1, 0);
31e31b8a
FB		 2694 break;
2695 case TARGET_NR_setrlimit:
9de5e440
FB		 2696 {
2697 /* XXX: convert resource ? */
2698 int resource = arg1;
53a5960a 2699 struct target_rlimit *target_rlim;
9de5e440 2700 struct rlimit rlim;
53a5960a 2701 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2702 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2703 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 2704 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 2705 ret = get_errno(setrlimit(resource, &rlim));
2706 }
2707 break;
31e31b8a 2708 case TARGET_NR_getrlimit:
9de5e440
FB		 2709 {
2710 /* XXX: convert resource ? */
2711 int resource = arg1;
53a5960a 2712 struct target_rlimit *target_rlim;
9de5e440
FB		 2713 struct rlimit rlim;
2714
2715 ret = get_errno(getrlimit(resource, &rlim));
2716 if (!is_error(ret)) {
53a5960a
PB		 2717 lock_user_struct(target_rlim, arg2, 0);
2718 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2719 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2720 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2721 }
2722 }
2723 break;
31e31b8a 2724 case TARGET_NR_getrusage:
b409186b
FB		 2725 {
2726 struct rusage rusage;
b409186b
FB		 2727 ret = get_errno(getrusage(arg1, &rusage));
2728 if (!is_error(ret)) {
53a5960a 2729 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 2730 }
2731 }
2732 break;
31e31b8a
FB		 2733 case TARGET_NR_gettimeofday:
2734 {
31e31b8a
FB		 2735 struct timeval tv;
2736 ret = get_errno(gettimeofday(&tv, NULL));
2737 if (!is_error(ret)) {
53a5960a 2738 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 2739 }
2740 }
2741 break;
2742 case TARGET_NR_settimeofday:
2743 {
31e31b8a 2744 struct timeval tv;
53a5960a 2745 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 2746 ret = get_errno(settimeofday(&tv, NULL));
2747 }
2748 break;
048f6b4d 2749#ifdef TARGET_NR_select
31e31b8a 2750 case TARGET_NR_select:
f2674e31 2751 {
53a5960a
PB		 2752 struct target_sel_arg_struct *sel;
2753 target_ulong inp, outp, exp, tvp;
2754 long nsel;
2755
2756 lock_user_struct(sel, arg1, 1);
2757 nsel = tswapl(sel->n);
2758 inp = tswapl(sel->inp);
2759 outp = tswapl(sel->outp);
2760 exp = tswapl(sel->exp);
2761 tvp = tswapl(sel->tvp);
2762 unlock_user_struct(sel, arg1, 0);
2763 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 2764 }
2765 break;
048f6b4d 2766#endif
31e31b8a 2767 case TARGET_NR_symlink:
53a5960a
PB		 2768 {
2769 void *p2;
2770 p = lock_user_string(arg1);
2771 p2 = lock_user_string(arg2);
2772 ret = get_errno(symlink(p, p2));
2773 unlock_user(p2, arg2, 0);
2774 unlock_user(p, arg1, 0);
2775 }
31e31b8a 2776 break;
ebc05488 2777#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 2778 case TARGET_NR_oldlstat:
2779 goto unimplemented;
ebc05488 2780#endif
31e31b8a 2781 case TARGET_NR_readlink:
53a5960a
PB		 2782 {
2783 void *p2;
2784 p = lock_user_string(arg1);
2785 p2 = lock_user(arg2, arg3, 0);
2786 ret = get_errno(readlink(path(p), p2, arg3));
2787 unlock_user(p2, arg2, ret);
2788 unlock_user(p, arg1, 0);
2789 }
31e31b8a 2790 break;
e5febef5 2791#ifdef TARGET_NR_uselib
31e31b8a
FB		 2792 case TARGET_NR_uselib:
2793 goto unimplemented;
e5febef5
TS		 2794#endif
2795#ifdef TARGET_NR_swapon
31e31b8a 2796 case TARGET_NR_swapon:
53a5960a
PB		 2797 p = lock_user_string(arg1);
2798 ret = get_errno(swapon(p, arg2));
2799 unlock_user(p, arg1, 0);
31e31b8a 2800 break;
e5febef5 2801#endif
31e31b8a
FB		 2802 case TARGET_NR_reboot:
2803 goto unimplemented;
e5febef5 2804#ifdef TARGET_NR_readdir
31e31b8a
FB		 2805 case TARGET_NR_readdir:
2806 goto unimplemented;
e5febef5
TS		 2807#endif
2808#ifdef TARGET_NR_mmap
31e31b8a 2809 case TARGET_NR_mmap:
e6e5906b 2810#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
31e31b8a 2811 {
53a5960a
PB		 2812 target_ulong *v;
2813 target_ulong v1, v2, v3, v4, v5, v6;
2814 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2815 v1 = tswapl(v[0]);
2816 v2 = tswapl(v[1]);
2817 v3 = tswapl(v[2]);
2818 v4 = tswapl(v[3]);
2819 v5 = tswapl(v[4]);
2820 v6 = tswapl(v[5]);
2821 unlock_user(v, arg1, 0);
5286db75
FB		 2822 ret = get_errno(target_mmap(v1, v2, v3,
2823 target_to_host_bitmask(v4, mmap_flags_tbl),
2824 v5, v6));
31e31b8a 2825 }
31e31b8a 2826#else
6fb883e8
FB		 2827 ret = get_errno(target_mmap(arg1, arg2, arg3,
2828 target_to_host_bitmask(arg4, mmap_flags_tbl),
2829 arg5,
2830 arg6));
31e31b8a 2831#endif
6fb883e8 2832 break;
e5febef5 2833#endif
a315a145 2834#ifdef TARGET_NR_mmap2
6fb883e8 2835 case TARGET_NR_mmap2:
0d3267a7 2836#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 2837#define MMAP_SHIFT 12
2838#else
2839#define MMAP_SHIFT TARGET_PAGE_BITS
2840#endif
5286db75
FB		 2841 ret = get_errno(target_mmap(arg1, arg2, arg3,
2842 target_to_host_bitmask(arg4, mmap_flags_tbl),
2843 arg5,
c573ff67 2844 arg6 << MMAP_SHIFT));
31e31b8a 2845 break;
a315a145 2846#endif
31e31b8a 2847 case TARGET_NR_munmap:
54936004 2848 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 2849 break;
9de5e440 2850 case TARGET_NR_mprotect:
54936004 2851 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 2852 break;
e5febef5 2853#ifdef TARGET_NR_mremap
9de5e440 2854 case TARGET_NR_mremap:
54936004 2855 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 2856 break;
e5febef5 2857#endif
53a5960a 2858 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 2859#ifdef TARGET_NR_msync
9de5e440 2860 case TARGET_NR_msync:
53a5960a 2861 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 2862 break;
e5febef5
TS		 2863#endif
2864#ifdef TARGET_NR_mlock
9de5e440 2865 case TARGET_NR_mlock:
53a5960a 2866 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 2867 break;
e5febef5
TS		 2868#endif
2869#ifdef TARGET_NR_munlock
9de5e440 2870 case TARGET_NR_munlock:
53a5960a 2871 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 2872 break;
e5febef5
TS		 2873#endif
2874#ifdef TARGET_NR_mlockall
9de5e440
FB		 2875 case TARGET_NR_mlockall:
2876 ret = get_errno(mlockall(arg1));
2877 break;
e5febef5
TS		 2878#endif
2879#ifdef TARGET_NR_munlockall
9de5e440
FB		 2880 case TARGET_NR_munlockall:
2881 ret = get_errno(munlockall());
2882 break;
e5febef5 2883#endif
31e31b8a 2884 case TARGET_NR_truncate:
53a5960a
PB		 2885 p = lock_user_string(arg1);
2886 ret = get_errno(truncate(p, arg2));
2887 unlock_user(p, arg1, 0);
31e31b8a
FB		 2888 break;
2889 case TARGET_NR_ftruncate:
2890 ret = get_errno(ftruncate(arg1, arg2));
2891 break;
2892 case TARGET_NR_fchmod:
2893 ret = get_errno(fchmod(arg1, arg2));
2894 break;
31e31b8a
FB		 2895 case TARGET_NR_getpriority:
2896 ret = get_errno(getpriority(arg1, arg2));
2897 break;
2898 case TARGET_NR_setpriority:
2899 ret = get_errno(setpriority(arg1, arg2, arg3));
2900 break;
ebc05488 2901#ifdef TARGET_NR_profil
31e31b8a
FB		 2902 case TARGET_NR_profil:
2903 goto unimplemented;
ebc05488 2904#endif
31e31b8a 2905 case TARGET_NR_statfs:
53a5960a
PB		 2906 p = lock_user_string(arg1);
2907 ret = get_errno(statfs(path(p), &stfs));
2908 unlock_user(p, arg1, 0);
31e31b8a
FB		 2909 convert_statfs:
2910 if (!is_error(ret)) {
53a5960a 2911 struct target_statfs *target_stfs;
56c8f68f 2912
53a5960a
PB		 2913 lock_user_struct(target_stfs, arg2, 0);
2914 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2915 put_user(stfs.f_type, &target_stfs->f_type);
2916 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2917 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2918 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2919 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2920 put_user(stfs.f_files, &target_stfs->f_files);
2921 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2922 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2923 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2924 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 2925 }
2926 break;
2927 case TARGET_NR_fstatfs:
56c8f68f 2928 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 2929 goto convert_statfs;
56c8f68f
FB		 2930#ifdef TARGET_NR_statfs64
2931 case TARGET_NR_statfs64:
53a5960a
PB		 2932 p = lock_user_string(arg1);
2933 ret = get_errno(statfs(path(p), &stfs));
2934 unlock_user(p, arg1, 0);
56c8f68f
FB		 2935 convert_statfs64:
2936 if (!is_error(ret)) {
53a5960a
PB		 2937 struct target_statfs64 *target_stfs;
2938
2939 lock_user_struct(target_stfs, arg3, 0);
2940 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2941 put_user(stfs.f_type, &target_stfs->f_type);
2942 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2943 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2944 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2945 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2946 put_user(stfs.f_files, &target_stfs->f_files);
2947 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2948 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2949 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2950 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 2951 }
2952 break;
2953 case TARGET_NR_fstatfs64:
2954 ret = get_errno(fstatfs(arg1, &stfs));
2955 goto convert_statfs64;
2956#endif
ebc05488 2957#ifdef TARGET_NR_ioperm
31e31b8a
FB		 2958 case TARGET_NR_ioperm:
2959 goto unimplemented;
ebc05488 2960#endif
e5febef5 2961#ifdef TARGET_NR_socketcall
31e31b8a 2962 case TARGET_NR_socketcall:
53a5960a 2963 ret = do_socketcall(arg1, arg2);
31e31b8a 2964 break;
e5febef5 2965#endif
3532fa74
FB		 2966#ifdef TARGET_NR_accept
2967 case TARGET_NR_accept:
1be9e1dc 2968 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 2969 break;
2970#endif
2971#ifdef TARGET_NR_bind
2972 case TARGET_NR_bind:
2973 ret = do_bind(arg1, arg2, arg3);
2974 break;
2975#endif
2976#ifdef TARGET_NR_connect
2977 case TARGET_NR_connect:
2978 ret = do_connect(arg1, arg2, arg3);
2979 break;
2980#endif
2981#ifdef TARGET_NR_getpeername
2982 case TARGET_NR_getpeername:
1be9e1dc 2983 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 2984 break;
2985#endif
2986#ifdef TARGET_NR_getsockname
2987 case TARGET_NR_getsockname:
1be9e1dc 2988 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 2989 break;
2990#endif
2991#ifdef TARGET_NR_getsockopt
2992 case TARGET_NR_getsockopt:
2993 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2994 break;
2995#endif
2996#ifdef TARGET_NR_listen
2997 case TARGET_NR_listen:
1be9e1dc 2998 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 2999 break;
3000#endif
3001#ifdef TARGET_NR_recv
3002 case TARGET_NR_recv:
214201bd 3003 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3004 break;
3005#endif
3006#ifdef TARGET_NR_recvfrom
3007 case TARGET_NR_recvfrom:
214201bd 3008 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3009 break;
3010#endif
3011#ifdef TARGET_NR_recvmsg
3012 case TARGET_NR_recvmsg:
3013 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3014 break;
3015#endif
3016#ifdef TARGET_NR_send
3017 case TARGET_NR_send:
1be9e1dc 3018 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3019 break;
3020#endif
3021#ifdef TARGET_NR_sendmsg
3022 case TARGET_NR_sendmsg:
3023 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3024 break;
3025#endif
3026#ifdef TARGET_NR_sendto
3027 case TARGET_NR_sendto:
1be9e1dc 3028 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3029 break;
3030#endif
3031#ifdef TARGET_NR_shutdown
3032 case TARGET_NR_shutdown:
1be9e1dc 3033 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 3034 break;
3035#endif
3036#ifdef TARGET_NR_socket
3037 case TARGET_NR_socket:
3038 ret = do_socket(arg1, arg2, arg3);
3039 break;
3040#endif
3041#ifdef TARGET_NR_socketpair
3042 case TARGET_NR_socketpair:
1be9e1dc 3043 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 3044 break;
3045#endif
3046#ifdef TARGET_NR_setsockopt
3047 case TARGET_NR_setsockopt:
3048 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3049 break;
3050#endif
7494b0f9 3051
31e31b8a 3052 case TARGET_NR_syslog:
e5574487
TS		 3053 p = lock_user_string(arg2);
3054 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3055 unlock_user(p, arg2, 0);
7494b0f9
TS		 3056 break;
3057
31e31b8a 3058 case TARGET_NR_setitimer:
66fb9763 3059 {
66fb9763
FB		 3060 struct itimerval value, ovalue, *pvalue;
3061
53a5960a 3062 if (arg2) {
66fb9763
FB		 3063 pvalue = &value;
3064 target_to_host_timeval(&pvalue->it_interval,
53a5960a 3065 arg2);
66fb9763 3066 target_to_host_timeval(&pvalue->it_value,
53a5960a 3067 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 3068 } else {
3069 pvalue = NULL;
3070 }
3071 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 3072 if (!is_error(ret) && arg3) {
3073 host_to_target_timeval(arg3,
66fb9763 3074 &ovalue.it_interval);
53a5960a 3075 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 3076 &ovalue.it_value);
3077 }
3078 }
3079 break;
31e31b8a 3080 case TARGET_NR_getitimer:
66fb9763 3081 {
66fb9763
FB		 3082 struct itimerval value;
3083
3084 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 3085 if (!is_error(ret) && arg2) {
3086 host_to_target_timeval(arg2,
66fb9763 3087 &value.it_interval);
53a5960a 3088 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 3089 &value.it_value);
3090 }
3091 }
3092 break;
31e31b8a 3093 case TARGET_NR_stat:
53a5960a
PB		 3094 p = lock_user_string(arg1);
3095 ret = get_errno(stat(path(p), &st));
3096 unlock_user(p, arg1, 0);
31e31b8a
FB		 3097 goto do_stat;
3098 case TARGET_NR_lstat:
53a5960a
PB		 3099 p = lock_user_string(arg1);
3100 ret = get_errno(lstat(path(p), &st));
3101 unlock_user(p, arg1, 0);
31e31b8a
FB		 3102 goto do_stat;
3103 case TARGET_NR_fstat:
3104 {
3105 ret = get_errno(fstat(arg1, &st));
3106 do_stat:
3107 if (!is_error(ret)) {
53a5960a
PB		 3108 struct target_stat *target_st;
3109
3110 lock_user_struct(target_st, arg2, 0);
31e31b8a
FB		 3111 target_st->st_dev = tswap16(st.st_dev);
3112 target_st->st_ino = tswapl(st.st_ino);
7d600c80 3113#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 3114 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3115 target_st->st_uid = tswap32(st.st_uid);
3116 target_st->st_gid = tswap32(st.st_gid);
3117#else
ec86b0fb 3118 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 3119 target_st->st_uid = tswap16(st.st_uid);
3120 target_st->st_gid = tswap16(st.st_gid);
67867308
FB		 3121#endif
3122 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a
FB		 3123 target_st->st_rdev = tswap16(st.st_rdev);
3124 target_st->st_size = tswapl(st.st_size);
3125 target_st->st_blksize = tswapl(st.st_blksize);
3126 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 3127 target_st->target_st_atime = tswapl(st.st_atime);
3128 target_st->target_st_mtime = tswapl(st.st_mtime);
3129 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 3130 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 3131 }
3132 }
3133 break;
ebc05488 3134#ifdef TARGET_NR_olduname
31e31b8a
FB		 3135 case TARGET_NR_olduname:
3136 goto unimplemented;
ebc05488
FB		 3137#endif
3138#ifdef TARGET_NR_iopl
31e31b8a
FB		 3139 case TARGET_NR_iopl:
3140 goto unimplemented;
ebc05488 3141#endif
31e31b8a
FB		 3142 case TARGET_NR_vhangup:
3143 ret = get_errno(vhangup());
3144 break;
ebc05488 3145#ifdef TARGET_NR_idle
31e31b8a
FB		 3146 case TARGET_NR_idle:
3147 goto unimplemented;
42ad6ae9
FB		 3148#endif
3149#ifdef TARGET_NR_syscall
3150 case TARGET_NR_syscall:
3151 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3152 break;
ebc05488 3153#endif
31e31b8a
FB		 3154 case TARGET_NR_wait4:
3155 {
3156 int status;
53a5960a 3157 target_long status_ptr = arg2;
31e31b8a 3158 struct rusage rusage, *rusage_ptr;
53a5960a 3159 target_ulong target_rusage = arg4;
31e31b8a
FB		 3160 if (target_rusage)
3161 rusage_ptr = &rusage;
3162 else
3163 rusage_ptr = NULL;
3164 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3165 if (!is_error(ret)) {
3166 if (status_ptr)
53a5960a 3167 tputl(status_ptr, status);
31e31b8a 3168 if (target_rusage) {
b409186b 3169 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 3170 }
3171 }
3172 }
3173 break;
e5febef5 3174#ifdef TARGET_NR_swapoff
31e31b8a 3175 case TARGET_NR_swapoff:
53a5960a
PB		 3176 p = lock_user_string(arg1);
3177 ret = get_errno(swapoff(p));
3178 unlock_user(p, arg1, 0);
31e31b8a 3179 break;
e5febef5 3180#endif
31e31b8a 3181 case TARGET_NR_sysinfo:
a5448a7d 3182 {
53a5960a 3183 struct target_sysinfo *target_value;
a5448a7d
FB		 3184 struct sysinfo value;
3185 ret = get_errno(sysinfo(&value));
53a5960a 3186 if (!is_error(ret) && arg1)
a5448a7d 3187 {
53a5960a
PB		 3188 /* ??? __put_user is probably wrong. */
3189 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3190 __put_user(value.uptime, &target_value->uptime);
3191 __put_user(value.loads[0], &target_value->loads[0]);
3192 __put_user(value.loads[1], &target_value->loads[1]);
3193 __put_user(value.loads[2], &target_value->loads[2]);
3194 __put_user(value.totalram, &target_value->totalram);
3195 __put_user(value.freeram, &target_value->freeram);
3196 __put_user(value.sharedram, &target_value->sharedram);
3197 __put_user(value.bufferram, &target_value->bufferram);
3198 __put_user(value.totalswap, &target_value->totalswap);
3199 __put_user(value.freeswap, &target_value->freeswap);
3200 __put_user(value.procs, &target_value->procs);
3201 __put_user(value.totalhigh, &target_value->totalhigh);
3202 __put_user(value.freehigh, &target_value->freehigh);
3203 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 3204 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 3205 }
3206 }
3207 break;
e5febef5 3208#ifdef TARGET_NR_ipc
31e31b8a 3209 case TARGET_NR_ipc:
8853f86e
FB		 3210 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3211 break;
e5febef5 3212#endif
31e31b8a
FB		 3213 case TARGET_NR_fsync:
3214 ret = get_errno(fsync(arg1));
3215 break;
31e31b8a 3216 case TARGET_NR_clone:
1b6b029e
FB		 3217 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3218 break;
ec86b0fb
FB		 3219#ifdef __NR_exit_group
3220 /* new thread calls */
3221 case TARGET_NR_exit_group:
e9009676 3222 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 3223 ret = get_errno(exit_group(arg1));
3224 break;
3225#endif
31e31b8a 3226 case TARGET_NR_setdomainname:
53a5960a
PB		 3227 p = lock_user_string(arg1);
3228 ret = get_errno(setdomainname(p, arg2));
3229 unlock_user(p, arg1, 0);
31e31b8a
FB		 3230 break;
3231 case TARGET_NR_uname:
3232 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 3233 {
3234 struct new_utsname * buf;
3235
53a5960a 3236 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 3237 ret = get_errno(sys_uname(buf));
3238 if (!is_error(ret)) {
3239 /* Overrite the native machine name with whatever is being
3240 emulated. */
3241 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 3242 /* Allow the user to override the reported release. */
3243 if (qemu_uname_release && *qemu_uname_release)
3244 strcpy (buf->release, qemu_uname_release);
29e619b1 3245 }
53a5960a 3246 unlock_user_struct(buf, arg1, 1);
29e619b1 3247 }
31e31b8a 3248 break;
6dbad63e 3249#ifdef TARGET_I386
31e31b8a 3250 case TARGET_NR_modify_ldt:
53a5960a 3251 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b 3252 break;
84409ddb 3253#if !defined(TARGET_X86_64)
5cd4393b
FB		 3254 case TARGET_NR_vm86old:
3255 goto unimplemented;
3256 case TARGET_NR_vm86:
53a5960a 3257 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 3258 break;
84409ddb 3259#endif
6dbad63e 3260#endif
31e31b8a
FB		 3261 case TARGET_NR_adjtimex:
3262 goto unimplemented;
e5febef5 3263#ifdef TARGET_NR_create_module
31e31b8a 3264 case TARGET_NR_create_module:
e5febef5 3265#endif
31e31b8a
FB		 3266 case TARGET_NR_init_module:
3267 case TARGET_NR_delete_module:
e5febef5 3268#ifdef TARGET_NR_get_kernel_syms
31e31b8a 3269 case TARGET_NR_get_kernel_syms:
e5febef5 3270#endif
31e31b8a
FB		 3271 goto unimplemented;
3272 case TARGET_NR_quotactl:
3273 goto unimplemented;
3274 case TARGET_NR_getpgid:
3275 ret = get_errno(getpgid(arg1));
3276 break;
3277 case TARGET_NR_fchdir:
3278 ret = get_errno(fchdir(arg1));
3279 break;
84409ddb 3280#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 3281 case TARGET_NR_bdflush:
3282 goto unimplemented;
84409ddb 3283#endif
e5febef5 3284#ifdef TARGET_NR_sysfs
31e31b8a
FB		 3285 case TARGET_NR_sysfs:
3286 goto unimplemented;
e5febef5 3287#endif
31e31b8a 3288 case TARGET_NR_personality:
1b6b029e 3289 ret = get_errno(personality(arg1));
31e31b8a 3290 break;
e5febef5 3291#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 3292 case TARGET_NR_afs_syscall:
3293 goto unimplemented;
e5febef5 3294#endif
7a3148a9 3295#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 3296 case TARGET_NR__llseek:
3297 {
4f2ac237
FB		 3298#if defined (__x86_64__)
3299 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 3300 tput64(arg4, ret);
4f2ac237 3301#else
31e31b8a
FB		 3302 int64_t res;
3303 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 3304 tput64(arg4, res);
4f2ac237 3305#endif
31e31b8a
FB		 3306 }
3307 break;
7a3148a9 3308#endif
31e31b8a
FB		 3309 case TARGET_NR_getdents:
3310#if TARGET_LONG_SIZE != 4
53a5960a 3311 goto unimplemented;
a315a145 3312#warning not supported
4add45b4
FB		 3313#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3314 {
53a5960a 3315 struct target_dirent *target_dirp;
4add45b4
FB		 3316 struct dirent *dirp;
3317 long count = arg3;
3318
3319 dirp = malloc(count);
3320 if (!dirp)
3321 return -ENOMEM;
3322
3323 ret = get_errno(sys_getdents(arg1, dirp, count));
3324 if (!is_error(ret)) {
3325 struct dirent *de;
3326 struct target_dirent *tde;
3327 int len = ret;
3328 int reclen, treclen;
3329 int count1, tnamelen;
3330
3331 count1 = 0;
3332 de = dirp;
53a5960a 3333 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 3334 tde = target_dirp;
3335 while (len > 0) {
3336 reclen = de->d_reclen;
3337 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3338 tde->d_reclen = tswap16(treclen);
3339 tde->d_ino = tswapl(de->d_ino);
3340 tde->d_off = tswapl(de->d_off);
3341 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3342 if (tnamelen > 256)
3343 tnamelen = 256;
80a9d035 3344 /* XXX: may not be correct */
4add45b4
FB		 3345 strncpy(tde->d_name, de->d_name, tnamelen);
3346 de = (struct dirent *)((char *)de + reclen);
3347 len -= reclen;
1c5bf3bf 3348 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 3349 count1 += treclen;
3350 }
3351 ret = count1;
3352 }
53a5960a 3353 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 3354 free(dirp);
3355 }
3356#else
31e31b8a 3357 {
53a5960a 3358 struct dirent *dirp;
31e31b8a 3359 long count = arg3;
dab2ed99 3360
53a5960a 3361 dirp = lock_user(arg2, count, 0);
72f03900 3362 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 3363 if (!is_error(ret)) {
3364 struct dirent *de;
3365 int len = ret;
3366 int reclen;
3367 de = dirp;
3368 while (len > 0) {
8083a3e5 3369 reclen = de->d_reclen;
31e31b8a
FB		 3370 if (reclen > len)
3371 break;
8083a3e5 3372 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 3373 tswapls(&de->d_ino);
3374 tswapls(&de->d_off);
3375 de = (struct dirent *)((char *)de + reclen);
3376 len -= reclen;
3377 }
3378 }
53a5960a 3379 unlock_user(dirp, arg2, ret);
31e31b8a 3380 }
4add45b4 3381#endif
31e31b8a 3382 break;
a541f297 3383#ifdef TARGET_NR_getdents64
dab2ed99
FB		 3384 case TARGET_NR_getdents64:
3385 {
53a5960a 3386 struct dirent64 *dirp;
dab2ed99 3387 long count = arg3;
53a5960a 3388 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 3389 ret = get_errno(sys_getdents64(arg1, dirp, count));
3390 if (!is_error(ret)) {
3391 struct dirent64 *de;
3392 int len = ret;
3393 int reclen;
3394 de = dirp;
3395 while (len > 0) {
8083a3e5 3396 reclen = de->d_reclen;
dab2ed99
FB		 3397 if (reclen > len)
3398 break;
8083a3e5 3399 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 3400 tswap64s(&de->d_ino);
3401 tswap64s(&de->d_off);
3402 de = (struct dirent64 *)((char *)de + reclen);
3403 len -= reclen;
3404 }
3405 }
53a5960a 3406 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 3407 }
3408 break;
a541f297 3409#endif /* TARGET_NR_getdents64 */
e5febef5 3410#ifdef TARGET_NR__newselect
31e31b8a 3411 case TARGET_NR__newselect:
53a5960a 3412 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 3413 break;
e5febef5
TS		 3414#endif
3415#ifdef TARGET_NR_poll
9de5e440
FB		 3416 case TARGET_NR_poll:
3417 {
53a5960a 3418 struct target_pollfd *target_pfd;
9de5e440
FB		 3419 unsigned int nfds = arg2;
3420 int timeout = arg3;
3421 struct pollfd *pfd;
7854b056 3422 unsigned int i;
9de5e440 3423
53a5960a 3424 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 3425 pfd = alloca(sizeof(struct pollfd) * nfds);
3426 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 3427 pfd[i].fd = tswap32(target_pfd[i].fd);
3428 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 3429 }
3430 ret = get_errno(poll(pfd, nfds, timeout));
3431 if (!is_error(ret)) {
3432 for(i = 0; i < nfds; i++) {
5cd4393b 3433 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 3434 }
53a5960a
PB		 3435 ret += nfds * (sizeof(struct target_pollfd)
3436 - sizeof(struct pollfd));
9de5e440 3437 }
53a5960a 3438 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 3439 }
3440 break;
e5febef5 3441#endif
31e31b8a 3442 case TARGET_NR_flock:
9de5e440
FB		 3443 /* NOTE: the flock constant seems to be the same for every
3444 Linux platform */
3445 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 3446 break;
3447 case TARGET_NR_readv:
3448 {
3449 int count = arg3;
31e31b8a 3450 struct iovec *vec;
31e31b8a
FB		 3451
3452 vec = alloca(count * sizeof(struct iovec));
53a5960a 3453 lock_iovec(vec, arg2, count, 0);
31e31b8a 3454 ret = get_errno(readv(arg1, vec, count));
53a5960a 3455 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 3456 }
3457 break;
3458 case TARGET_NR_writev:
3459 {
3460 int count = arg3;
31e31b8a 3461 struct iovec *vec;
31e31b8a
FB		 3462
3463 vec = alloca(count * sizeof(struct iovec));
53a5960a 3464 lock_iovec(vec, arg2, count, 1);
31e31b8a 3465 ret = get_errno(writev(arg1, vec, count));
53a5960a 3466 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 3467 }
3468 break;
3469 case TARGET_NR_getsid:
3470 ret = get_errno(getsid(arg1));
3471 break;
7a3148a9 3472#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 3473 case TARGET_NR_fdatasync:
5cd4393b
FB		 3474 ret = get_errno(fdatasync(arg1));
3475 break;
7a3148a9 3476#endif
31e31b8a 3477 case TARGET_NR__sysctl:
29e619b1
FB		 3478 /* We don't implement this, but ENODIR is always a safe
3479 return value. */
3480 return -ENOTDIR;
31e31b8a 3481 case TARGET_NR_sched_setparam:
5cd4393b 3482 {
53a5960a 3483 struct sched_param *target_schp;
5cd4393b 3484 struct sched_param schp;
53a5960a
PB		 3485
3486 lock_user_struct(target_schp, arg2, 1);
5cd4393b 3487 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3488 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 3489 ret = get_errno(sched_setparam(arg1, &schp));
3490 }
3491 break;
31e31b8a 3492 case TARGET_NR_sched_getparam:
5cd4393b 3493 {
53a5960a 3494 struct sched_param *target_schp;
5cd4393b
FB		 3495 struct sched_param schp;
3496 ret = get_errno(sched_getparam(arg1, &schp));
3497 if (!is_error(ret)) {
53a5960a 3498 lock_user_struct(target_schp, arg2, 0);
5cd4393b 3499 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 3500 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 3501 }
3502 }
3503 break;
31e31b8a 3504 case TARGET_NR_sched_setscheduler:
5cd4393b 3505 {
53a5960a 3506 struct sched_param *target_schp;
5cd4393b 3507 struct sched_param schp;
53a5960a 3508 lock_user_struct(target_schp, arg3, 1);
5cd4393b 3509 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3510 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 3511 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3512 }
3513 break;
31e31b8a 3514 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 3515 ret = get_errno(sched_getscheduler(arg1));
3516 break;
31e31b8a
FB		 3517 case TARGET_NR_sched_yield:
3518 ret = get_errno(sched_yield());
3519 break;
3520 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 3521 ret = get_errno(sched_get_priority_max(arg1));
3522 break;
31e31b8a 3523 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 3524 ret = get_errno(sched_get_priority_min(arg1));
3525 break;
31e31b8a 3526 case TARGET_NR_sched_rr_get_interval:
5cd4393b 3527 {
5cd4393b
FB		 3528 struct timespec ts;
3529 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3530 if (!is_error(ret)) {
53a5960a 3531 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 3532 }
3533 }
3534 break;
31e31b8a 3535 case TARGET_NR_nanosleep:
1b6b029e 3536 {
1b6b029e 3537 struct timespec req, rem;
53a5960a 3538 target_to_host_timespec(&req, arg1);
1b6b029e 3539 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 3540 if (is_error(ret) && arg2) {
3541 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 3542 }
3543 }
3544 break;
e5febef5 3545#ifdef TARGET_NR_query_module
31e31b8a 3546 case TARGET_NR_query_module:
5cd4393b 3547 goto unimplemented;
e5febef5
TS		 3548#endif
3549#ifdef TARGET_NR_nfsservctl
31e31b8a 3550 case TARGET_NR_nfsservctl:
5cd4393b 3551 goto unimplemented;
e5febef5 3552#endif
31e31b8a 3553 case TARGET_NR_prctl:
e5574487
TS		 3554 switch (arg1)
3555 {
3556 case PR_GET_PDEATHSIG:
3557 {
3558 int deathsig;
3559 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3560 if (!is_error(ret) && arg2)
3561 tput32(arg2, deathsig);
3562 }
3563 break;
3564 default:
3565 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
3566 break;
3567 }
39b9aae1 3568 break;
67867308 3569#ifdef TARGET_NR_pread
31e31b8a 3570 case TARGET_NR_pread:
53a5960a
PB		 3571 page_unprotect_range(arg2, arg3);
3572 p = lock_user(arg2, arg3, 0);
3573 ret = get_errno(pread(arg1, p, arg3, arg4));
3574 unlock_user(p, arg2, ret);
206f0fa7 3575 break;
31e31b8a 3576 case TARGET_NR_pwrite:
53a5960a
PB		 3577 p = lock_user(arg2, arg3, 1);
3578 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3579 unlock_user(p, arg2, 0);
206f0fa7 3580 break;
67867308 3581#endif
31e31b8a 3582 case TARGET_NR_getcwd:
53a5960a
PB		 3583 p = lock_user(arg1, arg2, 0);
3584 ret = get_errno(sys_getcwd1(p, arg2));
3585 unlock_user(p, arg1, ret);
31e31b8a
FB		 3586 break;
3587 case TARGET_NR_capget:
5cd4393b 3588 goto unimplemented;
31e31b8a 3589 case TARGET_NR_capset:
5cd4393b 3590 goto unimplemented;
31e31b8a 3591 case TARGET_NR_sigaltstack:
5cd4393b 3592 goto unimplemented;
31e31b8a 3593 case TARGET_NR_sendfile:
5cd4393b 3594 goto unimplemented;
ebc05488 3595#ifdef TARGET_NR_getpmsg
31e31b8a 3596 case TARGET_NR_getpmsg:
5cd4393b 3597 goto unimplemented;
ebc05488
FB		 3598#endif
3599#ifdef TARGET_NR_putpmsg
31e31b8a 3600 case TARGET_NR_putpmsg:
5cd4393b 3601 goto unimplemented;
ebc05488 3602#endif
048f6b4d 3603#ifdef TARGET_NR_vfork
31e31b8a 3604 case TARGET_NR_vfork:
1b6b029e 3605 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 3606 break;
048f6b4d 3607#endif
ebc05488 3608#ifdef TARGET_NR_ugetrlimit
31e31b8a 3609 case TARGET_NR_ugetrlimit:
728584be
FB		 3610 {
3611 struct rlimit rlim;
3612 ret = get_errno(getrlimit(arg1, &rlim));
3613 if (!is_error(ret)) {
53a5960a
PB		 3614 struct target_rlimit *target_rlim;
3615 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 3616 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3617 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 3618 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 3619 }
3620 break;
3621 }
ebc05488 3622#endif
a315a145 3623#ifdef TARGET_NR_truncate64
31e31b8a 3624 case TARGET_NR_truncate64:
53a5960a
PB		 3625 p = lock_user_string(arg1);
3626 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3627 unlock_user(p, arg1, 0);
667f38b1 3628 break;
a315a145
FB		 3629#endif
3630#ifdef TARGET_NR_ftruncate64
31e31b8a 3631 case TARGET_NR_ftruncate64:
ce4defa0 3632 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 3633 break;
a315a145
FB		 3634#endif
3635#ifdef TARGET_NR_stat64
31e31b8a 3636 case TARGET_NR_stat64:
53a5960a
PB		 3637 p = lock_user_string(arg1);
3638 ret = get_errno(stat(path(p), &st));
3639 unlock_user(p, arg1, 0);
60cd49d5 3640 goto do_stat64;
a315a145
FB		 3641#endif
3642#ifdef TARGET_NR_lstat64
31e31b8a 3643 case TARGET_NR_lstat64:
53a5960a
PB		 3644 p = lock_user_string(arg1);
3645 ret = get_errno(lstat(path(p), &st));
3646 unlock_user(p, arg1, 0);
60cd49d5 3647 goto do_stat64;
a315a145
FB		 3648#endif
3649#ifdef TARGET_NR_fstat64
31e31b8a 3650 case TARGET_NR_fstat64:
60cd49d5
FB		 3651 {
3652 ret = get_errno(fstat(arg1, &st));
3653 do_stat64:
3654 if (!is_error(ret)) {
ce4defa0
PB		 3655#ifdef TARGET_ARM
3656 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 3657 struct target_eabi_stat64 *target_st;
3658 lock_user_struct(target_st, arg2, 1);
ce4defa0 3659 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 3660 /* put_user is probably wrong. */
ce4defa0
PB		 3661 put_user(st.st_dev, &target_st->st_dev);
3662 put_user(st.st_ino, &target_st->st_ino);
3663#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3664 put_user(st.st_ino, &target_st->__st_ino);
3665#endif
3666 put_user(st.st_mode, &target_st->st_mode);
3667 put_user(st.st_nlink, &target_st->st_nlink);
3668 put_user(st.st_uid, &target_st->st_uid);
3669 put_user(st.st_gid, &target_st->st_gid);
3670 put_user(st.st_rdev, &target_st->st_rdev);
3671 /* XXX: better use of kernel struct */
3672 put_user(st.st_size, &target_st->st_size);
3673 put_user(st.st_blksize, &target_st->st_blksize);
3674 put_user(st.st_blocks, &target_st->st_blocks);
3675 put_user(st.st_atime, &target_st->target_st_atime);
3676 put_user(st.st_mtime, &target_st->target_st_mtime);
3677 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3678 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 3679 } else
3680#endif
3681 {
53a5960a
PB		 3682 struct target_stat64 *target_st;
3683 lock_user_struct(target_st, arg2, 1);
ce4defa0 3684 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 3685 /* ??? put_user is probably wrong. */
ce4defa0
PB		 3686 put_user(st.st_dev, &target_st->st_dev);
3687 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 3688#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 3689 put_user(st.st_ino, &target_st->__st_ino);
3690#endif
3691 put_user(st.st_mode, &target_st->st_mode);
3692 put_user(st.st_nlink, &target_st->st_nlink);
3693 put_user(st.st_uid, &target_st->st_uid);
3694 put_user(st.st_gid, &target_st->st_gid);
3695 put_user(st.st_rdev, &target_st->st_rdev);
3696 /* XXX: better use of kernel struct */
3697 put_user(st.st_size, &target_st->st_size);
3698 put_user(st.st_blksize, &target_st->st_blksize);
3699 put_user(st.st_blocks, &target_st->st_blocks);
3700 put_user(st.st_atime, &target_st->target_st_atime);
3701 put_user(st.st_mtime, &target_st->target_st_mtime);
3702 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3703 unlock_user_struct(target_st, arg2, 0);
ce4defa0 3704 }
60cd49d5
FB		 3705 }
3706 }
3707 break;
a315a145 3708#endif
67867308
FB		 3709#ifdef USE_UID16
3710 case TARGET_NR_lchown:
53a5960a
PB		 3711 p = lock_user_string(arg1);
3712 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3713 unlock_user(p, arg1, 0);
67867308
FB		 3714 break;
3715 case TARGET_NR_getuid:
3716 ret = get_errno(high2lowuid(getuid()));
3717 break;
3718 case TARGET_NR_getgid:
3719 ret = get_errno(high2lowgid(getgid()));
3720 break;
3721 case TARGET_NR_geteuid:
3722 ret = get_errno(high2lowuid(geteuid()));
3723 break;
3724 case TARGET_NR_getegid:
3725 ret = get_errno(high2lowgid(getegid()));
3726 break;
3727 case TARGET_NR_setreuid:
3728 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3729 break;
3730 case TARGET_NR_setregid:
3731 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3732 break;
3733 case TARGET_NR_getgroups:
3734 {
3735 int gidsetsize = arg1;
53a5960a 3736 uint16_t *target_grouplist;
67867308
FB		 3737 gid_t *grouplist;
3738 int i;
3739
3740 grouplist = alloca(gidsetsize * sizeof(gid_t));
3741 ret = get_errno(getgroups(gidsetsize, grouplist));
3742 if (!is_error(ret)) {
53a5960a 3743 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 3744 for(i = 0;i < gidsetsize; i++)
3745 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 3746 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 3747 }
3748 }
3749 break;
3750 case TARGET_NR_setgroups:
3751 {
3752 int gidsetsize = arg1;
53a5960a 3753 uint16_t *target_grouplist;
67867308
FB		 3754 gid_t *grouplist;
3755 int i;
3756
3757 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3758 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 3759 for(i = 0;i < gidsetsize; i++)
3760 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 3761 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 3762 ret = get_errno(setgroups(gidsetsize, grouplist));
3763 }
3764 break;
3765 case TARGET_NR_fchown:
3766 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3767 break;
3768#ifdef TARGET_NR_setresuid
3769 case TARGET_NR_setresuid:
3770 ret = get_errno(setresuid(low2highuid(arg1),
3771 low2highuid(arg2),
3772 low2highuid(arg3)));
3773 break;
3774#endif
3775#ifdef TARGET_NR_getresuid
3776 case TARGET_NR_getresuid:
3777 {
53a5960a 3778 uid_t ruid, euid, suid;
67867308
FB		 3779 ret = get_errno(getresuid(&ruid, &euid, &suid));
3780 if (!is_error(ret)) {
53a5960a
PB		 3781 tput16(arg1, tswap16(high2lowuid(ruid)));
3782 tput16(arg2, tswap16(high2lowuid(euid)));
3783 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 3784 }
3785 }
3786 break;
3787#endif
3788#ifdef TARGET_NR_getresgid
3789 case TARGET_NR_setresgid:
3790 ret = get_errno(setresgid(low2highgid(arg1),
3791 low2highgid(arg2),
3792 low2highgid(arg3)));
3793 break;
3794#endif
3795#ifdef TARGET_NR_getresgid
3796 case TARGET_NR_getresgid:
3797 {
53a5960a 3798 gid_t rgid, egid, sgid;
67867308
FB		 3799 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3800 if (!is_error(ret)) {
53a5960a
PB		 3801 tput16(arg1, tswap16(high2lowgid(rgid)));
3802 tput16(arg2, tswap16(high2lowgid(egid)));
3803 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 3804 }
3805 }
3806 break;
3807#endif
3808 case TARGET_NR_chown:
53a5960a
PB		 3809 p = lock_user_string(arg1);
3810 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3811 unlock_user(p, arg1, 0);
67867308
FB		 3812 break;
3813 case TARGET_NR_setuid:
3814 ret = get_errno(setuid(low2highuid(arg1)));
3815 break;
3816 case TARGET_NR_setgid:
3817 ret = get_errno(setgid(low2highgid(arg1)));
3818 break;
3819 case TARGET_NR_setfsuid:
3820 ret = get_errno(setfsuid(arg1));
3821 break;
3822 case TARGET_NR_setfsgid:
3823 ret = get_errno(setfsgid(arg1));
3824 break;
3825#endif /* USE_UID16 */
3826
a315a145 3827#ifdef TARGET_NR_lchown32
31e31b8a 3828 case TARGET_NR_lchown32:
53a5960a
PB		 3829 p = lock_user_string(arg1);
3830 ret = get_errno(lchown(p, arg2, arg3));
3831 unlock_user(p, arg1, 0);
b03c60f3 3832 break;
a315a145
FB		 3833#endif
3834#ifdef TARGET_NR_getuid32
31e31b8a 3835 case TARGET_NR_getuid32:
b03c60f3
FB		 3836 ret = get_errno(getuid());
3837 break;
a315a145
FB		 3838#endif
3839#ifdef TARGET_NR_getgid32
31e31b8a 3840 case TARGET_NR_getgid32:
b03c60f3
FB		 3841 ret = get_errno(getgid());
3842 break;
a315a145
FB		 3843#endif
3844#ifdef TARGET_NR_geteuid32
31e31b8a 3845 case TARGET_NR_geteuid32:
b03c60f3
FB		 3846 ret = get_errno(geteuid());
3847 break;
a315a145
FB		 3848#endif
3849#ifdef TARGET_NR_getegid32
31e31b8a 3850 case TARGET_NR_getegid32:
b03c60f3
FB		 3851 ret = get_errno(getegid());
3852 break;
a315a145
FB		 3853#endif
3854#ifdef TARGET_NR_setreuid32
31e31b8a 3855 case TARGET_NR_setreuid32:
b03c60f3
FB		 3856 ret = get_errno(setreuid(arg1, arg2));
3857 break;
a315a145
FB		 3858#endif
3859#ifdef TARGET_NR_setregid32
31e31b8a 3860 case TARGET_NR_setregid32:
b03c60f3
FB		 3861 ret = get_errno(setregid(arg1, arg2));
3862 break;
a315a145
FB		 3863#endif
3864#ifdef TARGET_NR_getgroups32
31e31b8a 3865 case TARGET_NR_getgroups32:
99c475ab
FB		 3866 {
3867 int gidsetsize = arg1;
53a5960a 3868 uint32_t *target_grouplist;
99c475ab
FB		 3869 gid_t *grouplist;
3870 int i;
3871
3872 grouplist = alloca(gidsetsize * sizeof(gid_t));
3873 ret = get_errno(getgroups(gidsetsize, grouplist));
3874 if (!is_error(ret)) {
53a5960a 3875 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 3876 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3877 target_grouplist[i] = tswap32(grouplist[i]);
3878 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 3879 }
3880 }
3881 break;
a315a145
FB		 3882#endif
3883#ifdef TARGET_NR_setgroups32
31e31b8a 3884 case TARGET_NR_setgroups32:
99c475ab
FB		 3885 {
3886 int gidsetsize = arg1;
53a5960a 3887 uint32_t *target_grouplist;
99c475ab
FB		 3888 gid_t *grouplist;
3889 int i;
3890
3891 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3892 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 3893 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3894 grouplist[i] = tswap32(target_grouplist[i]);
3895 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 3896 ret = get_errno(setgroups(gidsetsize, grouplist));
3897 }
3898 break;
a315a145
FB		 3899#endif
3900#ifdef TARGET_NR_fchown32
31e31b8a 3901 case TARGET_NR_fchown32:
b03c60f3
FB		 3902 ret = get_errno(fchown(arg1, arg2, arg3));
3903 break;
a315a145
FB		 3904#endif
3905#ifdef TARGET_NR_setresuid32
31e31b8a 3906 case TARGET_NR_setresuid32:
b03c60f3
FB		 3907 ret = get_errno(setresuid(arg1, arg2, arg3));
3908 break;
a315a145
FB		 3909#endif
3910#ifdef TARGET_NR_getresuid32
31e31b8a 3911 case TARGET_NR_getresuid32:
b03c60f3 3912 {
53a5960a 3913 uid_t ruid, euid, suid;
b03c60f3
FB		 3914 ret = get_errno(getresuid(&ruid, &euid, &suid));
3915 if (!is_error(ret)) {
53a5960a
PB		 3916 tput32(arg1, tswap32(ruid));
3917 tput32(arg2, tswap32(euid));
3918 tput32(arg3, tswap32(suid));
b03c60f3
FB		 3919 }
3920 }
3921 break;
a315a145
FB		 3922#endif
3923#ifdef TARGET_NR_setresgid32
31e31b8a 3924 case TARGET_NR_setresgid32:
b03c60f3
FB		 3925 ret = get_errno(setresgid(arg1, arg2, arg3));
3926 break;
a315a145
FB		 3927#endif
3928#ifdef TARGET_NR_getresgid32
31e31b8a 3929 case TARGET_NR_getresgid32:
b03c60f3 3930 {
53a5960a 3931 gid_t rgid, egid, sgid;
b03c60f3
FB		 3932 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3933 if (!is_error(ret)) {
53a5960a
PB		 3934 tput32(arg1, tswap32(rgid));
3935 tput32(arg2, tswap32(egid));
3936 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 3937 }
3938 }
3939 break;
a315a145
FB		 3940#endif
3941#ifdef TARGET_NR_chown32
31e31b8a 3942 case TARGET_NR_chown32:
53a5960a
PB		 3943 p = lock_user_string(arg1);
3944 ret = get_errno(chown(p, arg2, arg3));
3945 unlock_user(p, arg1, 0);
b03c60f3 3946 break;
a315a145
FB		 3947#endif
3948#ifdef TARGET_NR_setuid32
31e31b8a 3949 case TARGET_NR_setuid32:
b03c60f3
FB		 3950 ret = get_errno(setuid(arg1));
3951 break;
a315a145
FB		 3952#endif
3953#ifdef TARGET_NR_setgid32
31e31b8a 3954 case TARGET_NR_setgid32:
b03c60f3
FB		 3955 ret = get_errno(setgid(arg1));
3956 break;
a315a145
FB		 3957#endif
3958#ifdef TARGET_NR_setfsuid32
31e31b8a 3959 case TARGET_NR_setfsuid32:
b03c60f3
FB		 3960 ret = get_errno(setfsuid(arg1));
3961 break;
a315a145
FB		 3962#endif
3963#ifdef TARGET_NR_setfsgid32
31e31b8a 3964 case TARGET_NR_setfsgid32:
b03c60f3
FB		 3965 ret = get_errno(setfsgid(arg1));
3966 break;
a315a145 3967#endif
67867308 3968
31e31b8a 3969 case TARGET_NR_pivot_root:
b03c60f3 3970 goto unimplemented;
ffa65c3b 3971#ifdef TARGET_NR_mincore
31e31b8a 3972 case TARGET_NR_mincore:
b03c60f3 3973 goto unimplemented;
ffa65c3b
FB		 3974#endif
3975#ifdef TARGET_NR_madvise
31e31b8a 3976 case TARGET_NR_madvise:
24836689
PB		 3977 /* A straight passthrough may not be safe because qemu sometimes
3978 turns private flie-backed mappings into anonymous mappings.
3979 This will break MADV_DONTNEED.
3980 This is a hint, so ignoring and returning success is ok. */
3981 ret = get_errno(0);
3982 break;
ffa65c3b 3983#endif
60cd49d5 3984#if TARGET_LONG_BITS == 32
31e31b8a 3985 case TARGET_NR_fcntl64:
77e4672d 3986 {
b1e341eb 3987 int cmd;
77e4672d 3988 struct flock64 fl;
53a5960a 3989 struct target_flock64 *target_fl;
ce4defa0 3990#ifdef TARGET_ARM
53a5960a 3991 struct target_eabi_flock64 *target_efl;
ce4defa0 3992#endif
77e4672d 3993
b1e341eb
TS		 3994 switch(arg2){
3995 case TARGET_F_GETLK64:
3996 cmd = F_GETLK64;
a7222580 3997 break;
b1e341eb
TS		 3998 case TARGET_F_SETLK64:
3999 cmd = F_SETLK64;
a7222580 4000 break;
b1e341eb
TS		 4001 case TARGET_F_SETLKW64:
4002 cmd = F_SETLK64;
a7222580 4003 break;
b1e341eb
TS		 4004 default:
4005 cmd = arg2;
a7222580 4006 break;
b1e341eb
TS		 4007 }
4008
60cd49d5 4009 switch(arg2) {
b1e341eb 4010 case TARGET_F_GETLK64:
5813427b
TS		 4011#ifdef TARGET_ARM
4012 if (((CPUARMState *)cpu_env)->eabi) {
4013 lock_user_struct(target_efl, arg3, 1);
4014 fl.l_type = tswap16(target_efl->l_type);
4015 fl.l_whence = tswap16(target_efl->l_whence);
4016 fl.l_start = tswap64(target_efl->l_start);
4017 fl.l_len = tswap64(target_efl->l_len);
4018 fl.l_pid = tswapl(target_efl->l_pid);
4019 unlock_user_struct(target_efl, arg3, 0);
4020 } else
4021#endif
4022 {
4023 lock_user_struct(target_fl, arg3, 1);
4024 fl.l_type = tswap16(target_fl->l_type);
4025 fl.l_whence = tswap16(target_fl->l_whence);
4026 fl.l_start = tswap64(target_fl->l_start);
4027 fl.l_len = tswap64(target_fl->l_len);
4028 fl.l_pid = tswapl(target_fl->l_pid);
4029 unlock_user_struct(target_fl, arg3, 0);
4030 }
b1e341eb 4031 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4032 if (ret == 0) {
ce4defa0
PB		 4033#ifdef TARGET_ARM
4034 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4035 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4036 target_efl->l_type = tswap16(fl.l_type);
4037 target_efl->l_whence = tswap16(fl.l_whence);
4038 target_efl->l_start = tswap64(fl.l_start);
4039 target_efl->l_len = tswap64(fl.l_len);
4040 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 4041 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4042 } else
4043#endif
4044 {
53a5960a 4045 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 4046 target_fl->l_type = tswap16(fl.l_type);
4047 target_fl->l_whence = tswap16(fl.l_whence);
4048 target_fl->l_start = tswap64(fl.l_start);
4049 target_fl->l_len = tswap64(fl.l_len);
4050 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 4051 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 4052 }
77e4672d
FB		 4053 }
4054 break;
4055
b1e341eb
TS		 4056 case TARGET_F_SETLK64:
4057 case TARGET_F_SETLKW64:
ce4defa0
PB		 4058#ifdef TARGET_ARM
4059 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4060 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4061 fl.l_type = tswap16(target_efl->l_type);
4062 fl.l_whence = tswap16(target_efl->l_whence);
4063 fl.l_start = tswap64(target_efl->l_start);
4064 fl.l_len = tswap64(target_efl->l_len);
4065 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 4066 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4067 } else
4068#endif
4069 {
53a5960a 4070 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 4071 fl.l_type = tswap16(target_fl->l_type);
4072 fl.l_whence = tswap16(target_fl->l_whence);
4073 fl.l_start = tswap64(target_fl->l_start);
4074 fl.l_len = tswap64(target_fl->l_len);
4075 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 4076 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 4077 }
b1e341eb 4078 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4079 break;
60cd49d5 4080 default:
b1e341eb 4081 ret = get_errno(do_fcntl(arg1, cmd, arg3));
60cd49d5
FB		 4082 break;
4083 }
77e4672d
FB		 4084 break;
4085 }
60cd49d5 4086#endif
7d600c80
TS		 4087#ifdef TARGET_NR_cacheflush
4088 case TARGET_NR_cacheflush:
4089 /* self-modifying code is handled automatically, so nothing needed */
4090 ret = 0;
4091 break;
4092#endif
ebc05488 4093#ifdef TARGET_NR_security
31e31b8a
FB		 4094 case TARGET_NR_security:
4095 goto unimplemented;
c573ff67
FB		 4096#endif
4097#ifdef TARGET_NR_getpagesize
4098 case TARGET_NR_getpagesize:
4099 ret = TARGET_PAGE_SIZE;
4100 break;
ebc05488 4101#endif
31e31b8a
FB		 4102 case TARGET_NR_gettid:
4103 ret = get_errno(gettid());
4104 break;
e5febef5 4105#ifdef TARGET_NR_readahead
31e31b8a 4106 case TARGET_NR_readahead:
5cd4393b 4107 goto unimplemented;
e5febef5 4108#endif
ebc05488 4109#ifdef TARGET_NR_setxattr
31e31b8a
FB		 4110 case TARGET_NR_setxattr:
4111 case TARGET_NR_lsetxattr:
4112 case TARGET_NR_fsetxattr:
4113 case TARGET_NR_getxattr:
4114 case TARGET_NR_lgetxattr:
4115 case TARGET_NR_fgetxattr:
4116 case TARGET_NR_listxattr:
4117 case TARGET_NR_llistxattr:
4118 case TARGET_NR_flistxattr:
4119 case TARGET_NR_removexattr:
4120 case TARGET_NR_lremovexattr:
4121 case TARGET_NR_fremovexattr:
5cd4393b 4122 goto unimplemented_nowarn;
ebc05488
FB		 4123#endif
4124#ifdef TARGET_NR_set_thread_area
5cd4393b 4125 case TARGET_NR_set_thread_area:
6f5b89a0
TS		 4126#ifdef TARGET_MIPS
4127 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4128 ret = 0;
4129 break;
4130#else
4131 goto unimplemented_nowarn;
4132#endif
4133#endif
4134#ifdef TARGET_NR_get_thread_area
5cd4393b
FB		 4135 case TARGET_NR_get_thread_area:
4136 goto unimplemented_nowarn;
48dc41eb
FB		 4137#endif
4138#ifdef TARGET_NR_getdomainname
4139 case TARGET_NR_getdomainname:
4140 goto unimplemented_nowarn;
ebc05488 4141#endif
6f5b89a0 4142
b5906f95
TS		 4143#ifdef TARGET_NR_clock_gettime
4144 case TARGET_NR_clock_gettime:
4145 {
4146 struct timespec ts;
4147 ret = get_errno(clock_gettime(arg1, &ts));
4148 if (!is_error(ret)) {
4149 host_to_target_timespec(arg2, &ts);
4150 }
4151 break;
4152 }
4153#endif
4154#ifdef TARGET_NR_clock_getres
4155 case TARGET_NR_clock_getres:
4156 {
4157 struct timespec ts;
4158 ret = get_errno(clock_getres(arg1, &ts));
4159 if (!is_error(ret)) {
4160 host_to_target_timespec(arg2, &ts);
4161 }
4162 break;
4163 }
4164#endif
4165
6f5b89a0
TS		 4166#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4167 case TARGET_NR_set_tid_address:
4168 ret = get_errno(set_tid_address((int *) arg1));
4169 break;
4170#endif
4171
31e31b8a
FB		 4172 default:
4173 unimplemented:
5cd4393b 4174 gemu_log("qemu: Unsupported syscall: %d\n", num);
6f5b89a0 4175#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname)
5cd4393b 4176 unimplemented_nowarn:
80a9d035 4177#endif
31e31b8a
FB		 4178 ret = -ENOSYS;
4179 break;
4180 }
4181 fail:
c573ff67
FB		 4182#ifdef DEBUG
4183 gemu_log(" = %ld\n", ret);
4184#endif
31e31b8a
FB		 4185 return ret;
4186}
4187
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