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Allow again FPU for usermode emulation.
[thirdparty/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
85aa199a 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 1752#elif defined(TARGET_MIPS)
388bb21a
TS		 1753 if (!newsp)
1754 newsp = env->gpr[29];
1755 new_env->gpr[29] = newsp;
67867308
FB		 1756#elif defined(TARGET_PPC)
1757 if (!newsp)
1758 newsp = env->gpr[1];
1759 new_env->gpr[1] = newsp;
1760 {
1761 int i;
1762 for (i = 7; i < 32; i++)
1763 new_env->gpr[i] = 0;
1764 }
fdf9b3e8
FB		 1765#elif defined(TARGET_SH4)
1766 if (!newsp)
1767 newsp = env->gregs[15];
1768 new_env->gregs[15] = newsp;
1769 /* XXXXX */
7a3148a9
JM		 1770#elif defined(TARGET_ALPHA)
1771 if (!newsp)
1772 newsp = env->ir[30];
1773 new_env->ir[30] = newsp;
1774 /* ? */
1775 {
1776 int i;
1777 for (i = 7; i < 30; i++)
1778 new_env->ir[i] = 0;
1779 }
2ab83ea7
FB		 1780#else
1781#error unsupported target CPU
1782#endif
5cd4393b 1783 new_env->opaque = ts;
27725c1d 1784#ifdef __ia64__
fd4a43e4 1785 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 1786#else
1787 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1788#endif
1b6b029e
FB		 1789 } else {
1790 /* if no CLONE_VM, we consider it is a fork */
1791 if ((flags & ~CSIGNAL) != 0)
1792 return -EINVAL;
1793 ret = fork();
1794 }
1795 return ret;
1796}
1797
53a5960a 1798static long do_fcntl(int fd, int cmd, target_ulong arg)
7775e9ec
FB		 1799{
1800 struct flock fl;
53a5960a 1801 struct target_flock *target_fl;
43f238d7
TS		 1802 struct flock64 fl64;
1803 struct target_flock64 *target_fl64;
7775e9ec 1804 long ret;
53a5960a 1805
7775e9ec
FB		 1806 switch(cmd) {
1807 case TARGET_F_GETLK:
5813427b
TS		 1808 lock_user_struct(target_fl, arg, 1);
1809 fl.l_type = tswap16(target_fl->l_type);
1810 fl.l_whence = tswap16(target_fl->l_whence);
1811 fl.l_start = tswapl(target_fl->l_start);
1812 fl.l_len = tswapl(target_fl->l_len);
1813 fl.l_pid = tswapl(target_fl->l_pid);
1814 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1815 ret = fcntl(fd, cmd, &fl);
1816 if (ret == 0) {
53a5960a 1817 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1818 target_fl->l_type = tswap16(fl.l_type);
1819 target_fl->l_whence = tswap16(fl.l_whence);
1820 target_fl->l_start = tswapl(fl.l_start);
1821 target_fl->l_len = tswapl(fl.l_len);
1822 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 1823 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1824 }
1825 break;
1826
1827 case TARGET_F_SETLK:
1828 case TARGET_F_SETLKW:
53a5960a 1829 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1830 fl.l_type = tswap16(target_fl->l_type);
1831 fl.l_whence = tswap16(target_fl->l_whence);
1832 fl.l_start = tswapl(target_fl->l_start);
1833 fl.l_len = tswapl(target_fl->l_len);
1834 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 1835 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1836 ret = fcntl(fd, cmd, &fl);
1837 break;
1838
1839 case TARGET_F_GETLK64:
5813427b
TS		 1840 lock_user_struct(target_fl64, arg, 1);
1841 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1842 fl64.l_whence = tswap16(target_fl64->l_whence);
1843 fl64.l_start = tswapl(target_fl64->l_start);
1844 fl64.l_len = tswapl(target_fl64->l_len);
1845 fl64.l_pid = tswap16(target_fl64->l_pid);
1846 unlock_user_struct(target_fl64, arg, 0);
43f238d7
TS		 1847 ret = fcntl(fd, cmd >> 1, &fl64);
1848 if (ret == 0) {
1849 lock_user_struct(target_fl64, arg, 0);
1850 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
1851 target_fl64->l_whence = tswap16(fl64.l_whence);
1852 target_fl64->l_start = tswapl(fl64.l_start);
1853 target_fl64->l_len = tswapl(fl64.l_len);
1854 target_fl64->l_pid = tswapl(fl64.l_pid);
1855 unlock_user_struct(target_fl64, arg, 1);
1856 }
1857 break;
7775e9ec
FB		 1858 case TARGET_F_SETLK64:
1859 case TARGET_F_SETLKW64:
43f238d7
TS		 1860 lock_user_struct(target_fl64, arg, 1);
1861 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1862 fl64.l_whence = tswap16(target_fl64->l_whence);
1863 fl64.l_start = tswapl(target_fl64->l_start);
1864 fl64.l_len = tswapl(target_fl64->l_len);
1865 fl64.l_pid = tswap16(target_fl64->l_pid);
1866 unlock_user_struct(target_fl64, arg, 0);
1867 ret = fcntl(fd, cmd >> 1, &fl64);
7775e9ec
FB		 1868 break;
1869
ffa65c3b
FB		 1870 case F_GETFL:
1871 ret = fcntl(fd, cmd, arg);
1872 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1873 break;
1874
1875 case F_SETFL:
1876 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1877 break;
1878
7775e9ec
FB		 1879 default:
1880 ret = fcntl(fd, cmd, arg);
1881 break;
1882 }
1883 return ret;
1884}
1885
67867308 1886#ifdef USE_UID16
7775e9ec 1887
67867308
FB		 1888static inline int high2lowuid(int uid)
1889{
1890 if (uid > 65535)
1891 return 65534;
1892 else
1893 return uid;
1894}
1895
1896static inline int high2lowgid(int gid)
1897{
1898 if (gid > 65535)
1899 return 65534;
1900 else
1901 return gid;
1902}
1903
1904static inline int low2highuid(int uid)
1905{
1906 if ((int16_t)uid == -1)
1907 return -1;
1908 else
1909 return uid;
1910}
1911
1912static inline int low2highgid(int gid)
1913{
1914 if ((int16_t)gid == -1)
1915 return -1;
1916 else
1917 return gid;
1918}
1919
1920#endif /* USE_UID16 */
1b6b029e 1921
31e31b8a
FB		 1922void syscall_init(void)
1923{
2ab83ea7
FB		 1924 IOCTLEntry *ie;
1925 const argtype *arg_type;
1926 int size;
1927
31e31b8a
FB		 1928#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1929#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1930#include "syscall_types.h"
1931#undef STRUCT
1932#undef STRUCT_SPECIAL
2ab83ea7
FB		 1933
1934 /* we patch the ioctl size if necessary. We rely on the fact that
1935 no ioctl has all the bits at '1' in the size field */
1936 ie = ioctl_entries;
1937 while (ie->target_cmd != 0) {
1938 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1939 TARGET_IOC_SIZEMASK) {
1940 arg_type = ie->arg_type;
1941 if (arg_type[0] != TYPE_PTR) {
1942 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1943 ie->target_cmd);
1944 exit(1);
1945 }
1946 arg_type++;
1947 size = thunk_type_size(arg_type, 0);
1948 ie->target_cmd = (ie->target_cmd &
1949 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1950 (size << TARGET_IOC_SIZESHIFT);
1951 }
1952 /* automatic consistency check if same arch */
1953#if defined(__i386__) && defined(TARGET_I386)
1954 if (ie->target_cmd != ie->host_cmd) {
1955 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1956 ie->target_cmd, ie->host_cmd);
1957 }
1958#endif
1959 ie++;
1960 }
31e31b8a 1961}
c573ff67 1962
ce4defa0
PB		 1963static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1964{
1965#ifdef TARGET_WORDS_BIG_ENDIAN
1966 return ((uint64_t)word0 << 32) | word1;
1967#else
1968 return ((uint64_t)word1 << 32) | word0;
1969#endif
1970}
1971
1972#ifdef TARGET_NR_truncate64
1973static inline long target_truncate64(void *cpu_env, const char *arg1,
1974 long arg2, long arg3, long arg4)
1975{
1976#ifdef TARGET_ARM
1977 if (((CPUARMState *)cpu_env)->eabi)
1978 {
1979 arg2 = arg3;
1980 arg3 = arg4;
1981 }
1982#endif
1983 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1984}
1985#endif
1986
1987#ifdef TARGET_NR_ftruncate64
1988static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1989 long arg3, long arg4)
1990{
1991#ifdef TARGET_ARM
1992 if (((CPUARMState *)cpu_env)->eabi)
1993 {
1994 arg2 = arg3;
1995 arg3 = arg4;
1996 }
1997#endif
1998 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1999}
2000#endif
2001
53a5960a
PB		 2002static inline void target_to_host_timespec(struct timespec *host_ts,
2003 target_ulong target_addr)
2004{
2005 struct target_timespec *target_ts;
2006
2007 lock_user_struct(target_ts, target_addr, 1);
2008 host_ts->tv_sec = tswapl(target_ts->tv_sec);
2009 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2010 unlock_user_struct(target_ts, target_addr, 0);
2011}
2012
2013static inline void host_to_target_timespec(target_ulong target_addr,
2014 struct timespec *host_ts)
2015{
2016 struct target_timespec *target_ts;
2017
2018 lock_user_struct(target_ts, target_addr, 0);
2019 target_ts->tv_sec = tswapl(host_ts->tv_sec);
2020 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2021 unlock_user_struct(target_ts, target_addr, 1);
2022}
2023
6dbad63e 2024long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 2025 long arg4, long arg5, long arg6)
2026{
2027 long ret;
2028 struct stat st;
56c8f68f 2029 struct statfs stfs;
53a5960a 2030 void *p;
31e31b8a 2031
72f03900 2032#ifdef DEBUG
c573ff67 2033 gemu_log("syscall %d", num);
72f03900 2034#endif
31e31b8a
FB		 2035 switch(num) {
2036 case TARGET_NR_exit:
7d13299d
FB		 2037#ifdef HAVE_GPROF
2038 _mcleanup();
2039#endif
e9009676 2040 gdb_exit(cpu_env, arg1);
1b6b029e 2041 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 2042 _exit(arg1);
2043 ret = 0; /* avoid warning */
2044 break;
2045 case TARGET_NR_read:
53a5960a
PB		 2046 page_unprotect_range(arg2, arg3);
2047 p = lock_user(arg2, arg3, 0);
2048 ret = get_errno(read(arg1, p, arg3));
2049 unlock_user(p, arg2, ret);
31e31b8a
FB		 2050 break;
2051 case TARGET_NR_write:
53a5960a
PB		 2052 p = lock_user(arg2, arg3, 1);
2053 ret = get_errno(write(arg1, p, arg3));
2054 unlock_user(p, arg2, 0);
31e31b8a
FB		 2055 break;
2056 case TARGET_NR_open:
53a5960a
PB		 2057 p = lock_user_string(arg1);
2058 ret = get_errno(open(path(p),
ffa65c3b
FB		 2059 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2060 arg3));
53a5960a 2061 unlock_user(p, arg1, 0);
31e31b8a
FB		 2062 break;
2063 case TARGET_NR_close:
2064 ret = get_errno(close(arg1));
2065 break;
2066 case TARGET_NR_brk:
53a5960a 2067 ret = do_brk(arg1);
31e31b8a
FB		 2068 break;
2069 case TARGET_NR_fork:
1b6b029e 2070 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a 2071 break;
e5febef5 2072#ifdef TARGET_NR_waitpid
31e31b8a
FB		 2073 case TARGET_NR_waitpid:
2074 {
53a5960a
PB		 2075 int status;
2076 ret = get_errno(waitpid(arg1, &status, arg3));
2077 if (!is_error(ret) && arg2)
2078 tput32(arg2, status);
31e31b8a
FB		 2079 }
2080 break;
e5febef5 2081#endif
7a3148a9 2082#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 2083 case TARGET_NR_creat:
53a5960a
PB		 2084 p = lock_user_string(arg1);
2085 ret = get_errno(creat(p, arg2));
2086 unlock_user(p, arg1, 0);
31e31b8a 2087 break;
7a3148a9 2088#endif
31e31b8a 2089 case TARGET_NR_link:
53a5960a
PB		 2090 {
2091 void * p2;
2092 p = lock_user_string(arg1);
2093 p2 = lock_user_string(arg2);
2094 ret = get_errno(link(p, p2));
2095 unlock_user(p2, arg2, 0);
2096 unlock_user(p, arg1, 0);
2097 }
31e31b8a
FB		 2098 break;
2099 case TARGET_NR_unlink:
53a5960a
PB		 2100 p = lock_user_string(arg1);
2101 ret = get_errno(unlink(p));
2102 unlock_user(p, arg1, 0);
31e31b8a
FB		 2103 break;
2104 case TARGET_NR_execve:
7854b056
FB		 2105 {
2106 char **argp, **envp;
f7341ff4 2107 int argc, envc;
53a5960a
PB		 2108 target_ulong gp;
2109 target_ulong guest_argp;
2110 target_ulong guest_envp;
2111 target_ulong addr;
7854b056
FB		 2112 char **q;
2113
f7341ff4 2114 argc = 0;
53a5960a
PB		 2115 guest_argp = arg2;
2116 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2117 argc++;
f7341ff4 2118 envc = 0;
53a5960a
PB		 2119 guest_envp = arg3;
2120 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2121 envc++;
2122
f7341ff4
FB		 2123 argp = alloca((argc + 1) * sizeof(void *));
2124 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2125
53a5960a
PB		 2126 for (gp = guest_argp, q = argp; ;
2127 gp += sizeof(target_ulong), q++) {
2128 addr = tgetl(gp);
2129 if (!addr)
2130 break;
2131 *q = lock_user_string(addr);
2132 }
f7341ff4
FB		 2133 *q = NULL;
2134
53a5960a
PB		 2135 for (gp = guest_envp, q = envp; ;
2136 gp += sizeof(target_ulong), q++) {
2137 addr = tgetl(gp);
2138 if (!addr)
2139 break;
2140 *q = lock_user_string(addr);
2141 }
f7341ff4 2142 *q = NULL;
7854b056 2143
53a5960a
PB		 2144 p = lock_user_string(arg1);
2145 ret = get_errno(execve(p, argp, envp));
2146 unlock_user(p, arg1, 0);
2147
2148 for (gp = guest_argp, q = argp; *q;
2149 gp += sizeof(target_ulong), q++) {
2150 addr = tgetl(gp);
2151 unlock_user(*q, addr, 0);
2152 }
2153 for (gp = guest_envp, q = envp; *q;
2154 gp += sizeof(target_ulong), q++) {
2155 addr = tgetl(gp);
2156 unlock_user(*q, addr, 0);
2157 }
7854b056 2158 }
31e31b8a
FB		 2159 break;
2160 case TARGET_NR_chdir:
53a5960a
PB		 2161 p = lock_user_string(arg1);
2162 ret = get_errno(chdir(p));
2163 unlock_user(p, arg1, 0);
31e31b8a 2164 break;
a315a145 2165#ifdef TARGET_NR_time
31e31b8a
FB		 2166 case TARGET_NR_time:
2167 {
53a5960a
PB		 2168 time_t host_time;
2169 ret = get_errno(time(&host_time));
2170 if (!is_error(ret) && arg1)
2171 tputl(arg1, host_time);
31e31b8a
FB		 2172 }
2173 break;
a315a145 2174#endif
31e31b8a 2175 case TARGET_NR_mknod:
53a5960a
PB		 2176 p = lock_user_string(arg1);
2177 ret = get_errno(mknod(p, arg2, arg3));
2178 unlock_user(p, arg1, 0);
31e31b8a
FB		 2179 break;
2180 case TARGET_NR_chmod:
53a5960a
PB		 2181 p = lock_user_string(arg1);
2182 ret = get_errno(chmod(p, arg2));
2183 unlock_user(p, arg1, 0);
31e31b8a 2184 break;
ebc05488 2185#ifdef TARGET_NR_break
31e31b8a
FB		 2186 case TARGET_NR_break:
2187 goto unimplemented;
ebc05488
FB		 2188#endif
2189#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2190 case TARGET_NR_oldstat:
2191 goto unimplemented;
ebc05488 2192#endif
31e31b8a
FB		 2193 case TARGET_NR_lseek:
2194 ret = get_errno(lseek(arg1, arg2, arg3));
2195 break;
7a3148a9
JM		 2196#ifdef TARGET_NR_getxpid
2197 case TARGET_NR_getxpid:
2198#else
31e31b8a 2199 case TARGET_NR_getpid:
7a3148a9 2200#endif
31e31b8a
FB		 2201 ret = get_errno(getpid());
2202 break;
2203 case TARGET_NR_mount:
80265918
TS		 2204 {
2205 /* need to look at the data field */
2206 void *p2, *p3;
2207 p = lock_user_string(arg1);
2208 p2 = lock_user_string(arg2);
2209 p3 = lock_user_string(arg3);
2210 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2211 unlock_user(p, arg1, 0);
2212 unlock_user(p2, arg2, 0);
2213 unlock_user(p3, arg3, 0);
2214 break;
2215 }
e5febef5 2216#ifdef TARGET_NR_umount
31e31b8a 2217 case TARGET_NR_umount:
53a5960a
PB		 2218 p = lock_user_string(arg1);
2219 ret = get_errno(umount(p));
2220 unlock_user(p, arg1, 0);
31e31b8a 2221 break;
e5febef5 2222#endif
7a3148a9 2223#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 2224 case TARGET_NR_stime:
2225 {
53a5960a
PB		 2226 time_t host_time;
2227 host_time = tgetl(arg1);
2228 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2229 }
2230 break;
7a3148a9 2231#endif
31e31b8a
FB		 2232 case TARGET_NR_ptrace:
2233 goto unimplemented;
7a3148a9 2234#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 2235 case TARGET_NR_alarm:
2236 ret = alarm(arg1);
2237 break;
7a3148a9 2238#endif
ebc05488 2239#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2240 case TARGET_NR_oldfstat:
2241 goto unimplemented;
ebc05488 2242#endif
7a3148a9 2243#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 2244 case TARGET_NR_pause:
2245 ret = get_errno(pause());
2246 break;
7a3148a9 2247#endif
e5febef5 2248#ifdef TARGET_NR_utime
31e31b8a 2249 case TARGET_NR_utime:
ebc05488 2250 {
53a5960a
PB		 2251 struct utimbuf tbuf, *host_tbuf;
2252 struct target_utimbuf *target_tbuf;
2253 if (arg2) {
2254 lock_user_struct(target_tbuf, arg2, 1);
2255 tbuf.actime = tswapl(target_tbuf->actime);
2256 tbuf.modtime = tswapl(target_tbuf->modtime);
2257 unlock_user_struct(target_tbuf, arg2, 0);
2258 host_tbuf = &tbuf;
f72e8ff4 2259 } else {
53a5960a 2260 host_tbuf = NULL;
f72e8ff4 2261 }
53a5960a
PB		 2262 p = lock_user_string(arg1);
2263 ret = get_errno(utime(p, host_tbuf));
2264 unlock_user(p, arg1, 0);
ebc05488
FB		 2265 }
2266 break;
e5febef5 2267#endif
978a66ff
FB		 2268 case TARGET_NR_utimes:
2269 {
978a66ff 2270 struct timeval *tvp, tv[2];
53a5960a
PB		 2271 if (arg2) {
2272 target_to_host_timeval(&tv[0], arg2);
2273 target_to_host_timeval(&tv[1],
2274 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2275 tvp = tv;
2276 } else {
2277 tvp = NULL;
2278 }
53a5960a
PB		 2279 p = lock_user_string(arg1);
2280 ret = get_errno(utimes(p, tvp));
2281 unlock_user(p, arg1, 0);
978a66ff
FB		 2282 }
2283 break;
ebc05488 2284#ifdef TARGET_NR_stty
31e31b8a
FB		 2285 case TARGET_NR_stty:
2286 goto unimplemented;
ebc05488
FB		 2287#endif
2288#ifdef TARGET_NR_gtty
31e31b8a
FB		 2289 case TARGET_NR_gtty:
2290 goto unimplemented;
ebc05488 2291#endif
31e31b8a 2292 case TARGET_NR_access:
53a5960a
PB		 2293 p = lock_user_string(arg1);
2294 ret = get_errno(access(p, arg2));
2295 unlock_user(p, arg1, 0);
31e31b8a 2296 break;
7a3148a9 2297#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 2298 case TARGET_NR_nice:
2299 ret = get_errno(nice(arg1));
2300 break;
7a3148a9 2301#endif
ebc05488 2302#ifdef TARGET_NR_ftime
31e31b8a
FB		 2303 case TARGET_NR_ftime:
2304 goto unimplemented;
ebc05488 2305#endif
31e31b8a 2306 case TARGET_NR_sync:
04369ff2
FB		 2307 sync();
2308 ret = 0;
31e31b8a
FB		 2309 break;
2310 case TARGET_NR_kill:
2311 ret = get_errno(kill(arg1, arg2));
2312 break;
2313 case TARGET_NR_rename:
53a5960a
PB		 2314 {
2315 void *p2;
2316 p = lock_user_string(arg1);
2317 p2 = lock_user_string(arg2);
2318 ret = get_errno(rename(p, p2));
2319 unlock_user(p2, arg2, 0);
2320 unlock_user(p, arg1, 0);
2321 }
31e31b8a
FB		 2322 break;
2323 case TARGET_NR_mkdir:
53a5960a
PB		 2324 p = lock_user_string(arg1);
2325 ret = get_errno(mkdir(p, arg2));
2326 unlock_user(p, arg1, 0);
31e31b8a
FB		 2327 break;
2328 case TARGET_NR_rmdir:
53a5960a
PB		 2329 p = lock_user_string(arg1);
2330 ret = get_errno(rmdir(p));
2331 unlock_user(p, arg1, 0);
31e31b8a
FB		 2332 break;
2333 case TARGET_NR_dup:
2334 ret = get_errno(dup(arg1));
2335 break;
2336 case TARGET_NR_pipe:
2337 {
53a5960a
PB		 2338 int host_pipe[2];
2339 ret = get_errno(pipe(host_pipe));
31e31b8a 2340 if (!is_error(ret)) {
53a5960a
PB		 2341 tput32(arg1, host_pipe[0]);
2342 tput32(arg1 + 4, host_pipe[1]);
31e31b8a
FB		 2343 }
2344 }
2345 break;
2346 case TARGET_NR_times:
32f36bce 2347 {
53a5960a 2348 struct target_tms *tmsp;
32f36bce
FB		 2349 struct tms tms;
2350 ret = get_errno(times(&tms));
53a5960a
PB		 2351 if (arg1) {
2352 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 2353 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2354 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2355 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2356 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 2357 }
c596ed17
FB		 2358 if (!is_error(ret))
2359 ret = host_to_target_clock_t(ret);
32f36bce
FB		 2360 }
2361 break;
ebc05488 2362#ifdef TARGET_NR_prof
31e31b8a
FB		 2363 case TARGET_NR_prof:
2364 goto unimplemented;
ebc05488 2365#endif
e5febef5 2366#ifdef TARGET_NR_signal
31e31b8a
FB		 2367 case TARGET_NR_signal:
2368 goto unimplemented;
e5febef5 2369#endif
31e31b8a 2370 case TARGET_NR_acct:
24836689
PB		 2371 p = lock_user_string(arg1);
2372 ret = get_errno(acct(path(p)));
2373 unlock_user(p, arg1, 0);
2374 break;
7a3148a9 2375#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 2376 case TARGET_NR_umount2:
53a5960a
PB		 2377 p = lock_user_string(arg1);
2378 ret = get_errno(umount2(p, arg2));
2379 unlock_user(p, arg1, 0);
31e31b8a 2380 break;
7a3148a9 2381#endif
ebc05488 2382#ifdef TARGET_NR_lock
31e31b8a
FB		 2383 case TARGET_NR_lock:
2384 goto unimplemented;
ebc05488 2385#endif
31e31b8a
FB		 2386 case TARGET_NR_ioctl:
2387 ret = do_ioctl(arg1, arg2, arg3);
2388 break;
2389 case TARGET_NR_fcntl:
7775e9ec 2390 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 2391 break;
ebc05488 2392#ifdef TARGET_NR_mpx
31e31b8a
FB		 2393 case TARGET_NR_mpx:
2394 goto unimplemented;
ebc05488 2395#endif
31e31b8a
FB		 2396 case TARGET_NR_setpgid:
2397 ret = get_errno(setpgid(arg1, arg2));
2398 break;
ebc05488 2399#ifdef TARGET_NR_ulimit
31e31b8a
FB		 2400 case TARGET_NR_ulimit:
2401 goto unimplemented;
ebc05488
FB		 2402#endif
2403#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 2404 case TARGET_NR_oldolduname:
2405 goto unimplemented;
ebc05488 2406#endif
31e31b8a
FB		 2407 case TARGET_NR_umask:
2408 ret = get_errno(umask(arg1));
2409 break;
2410 case TARGET_NR_chroot:
53a5960a
PB		 2411 p = lock_user_string(arg1);
2412 ret = get_errno(chroot(p));
2413 unlock_user(p, arg1, 0);
31e31b8a
FB		 2414 break;
2415 case TARGET_NR_ustat:
2416 goto unimplemented;
2417 case TARGET_NR_dup2:
2418 ret = get_errno(dup2(arg1, arg2));
2419 break;
7a3148a9 2420#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 2421 case TARGET_NR_getppid:
2422 ret = get_errno(getppid());
2423 break;
7a3148a9 2424#endif
31e31b8a
FB		 2425 case TARGET_NR_getpgrp:
2426 ret = get_errno(getpgrp());
2427 break;
2428 case TARGET_NR_setsid:
2429 ret = get_errno(setsid());
2430 break;
e5febef5 2431#ifdef TARGET_NR_sigaction
31e31b8a 2432 case TARGET_NR_sigaction:
31e31b8a 2433 {
388bb21a 2434#if !defined(TARGET_MIPS)
53a5960a 2435 struct target_old_sigaction *old_act;
66fb9763 2436 struct target_sigaction act, oact, *pact;
53a5960a
PB		 2437 if (arg2) {
2438 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 2439 act._sa_handler = old_act->_sa_handler;
2440 target_siginitset(&act.sa_mask, old_act->sa_mask);
2441 act.sa_flags = old_act->sa_flags;
2442 act.sa_restorer = old_act->sa_restorer;
53a5960a 2443 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 2444 pact = &act;
2445 } else {
2446 pact = NULL;
2447 }
2448 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 2449 if (!is_error(ret) && arg3) {
2450 lock_user_struct(old_act, arg3, 0);
2451 old_act->_sa_handler = oact._sa_handler;
2452 old_act->sa_mask = oact.sa_mask.sig[0];
2453 old_act->sa_flags = oact.sa_flags;
2454 old_act->sa_restorer = oact.sa_restorer;
2455 unlock_user_struct(old_act, arg3, 1);
66fb9763 2456 }
388bb21a 2457#else
106ec879
FB		 2458 struct target_sigaction act, oact, *pact, *old_act;
2459
2460 if (arg2) {
2461 lock_user_struct(old_act, arg2, 1);
2462 act._sa_handler = old_act->_sa_handler;
2463 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2464 act.sa_flags = old_act->sa_flags;
2465 unlock_user_struct(old_act, arg2, 0);
2466 pact = &act;
2467 } else {
2468 pact = NULL;
2469 }
2470
2471 ret = get_errno(do_sigaction(arg1, pact, &oact));
2472
2473 if (!is_error(ret) && arg3) {
2474 lock_user_struct(old_act, arg3, 0);
2475 old_act->_sa_handler = oact._sa_handler;
2476 old_act->sa_flags = oact.sa_flags;
2477 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2478 old_act->sa_mask.sig[1] = 0;
2479 old_act->sa_mask.sig[2] = 0;
2480 old_act->sa_mask.sig[3] = 0;
2481 unlock_user_struct(old_act, arg3, 1);
2482 }
388bb21a 2483#endif
31e31b8a
FB		 2484 }
2485 break;
e5febef5 2486#endif
66fb9763 2487 case TARGET_NR_rt_sigaction:
53a5960a
PB		 2488 {
2489 struct target_sigaction *act;
2490 struct target_sigaction *oact;
2491
2492 if (arg2)
2493 lock_user_struct(act, arg2, 1);
2494 else
2495 act = NULL;
2496 if (arg3)
2497 lock_user_struct(oact, arg3, 0);
2498 else
2499 oact = NULL;
2500 ret = get_errno(do_sigaction(arg1, act, oact));
2501 if (arg2)
2502 unlock_user_struct(act, arg2, 0);
2503 if (arg3)
2504 unlock_user_struct(oact, arg3, 1);
2505 }
66fb9763 2506 break;
7a3148a9 2507#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 2508 case TARGET_NR_sgetmask:
66fb9763
FB		 2509 {
2510 sigset_t cur_set;
2511 target_ulong target_set;
2512 sigprocmask(0, NULL, &cur_set);
2513 host_to_target_old_sigset(&target_set, &cur_set);
2514 ret = target_set;
2515 }
2516 break;
7a3148a9
JM		 2517#endif
2518#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 2519 case TARGET_NR_ssetmask:
66fb9763
FB		 2520 {
2521 sigset_t set, oset, cur_set;
2522 target_ulong target_set = arg1;
2523 sigprocmask(0, NULL, &cur_set);
2524 target_to_host_old_sigset(&set, &target_set);
2525 sigorset(&set, &set, &cur_set);
2526 sigprocmask(SIG_SETMASK, &set, &oset);
2527 host_to_target_old_sigset(&target_set, &oset);
2528 ret = target_set;
2529 }
2530 break;
7a3148a9 2531#endif
e5febef5 2532#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 2533 case TARGET_NR_sigprocmask:
2534 {
2535 int how = arg1;
2536 sigset_t set, oldset, *set_ptr;
66fb9763 2537
53a5960a 2538 if (arg2) {
66fb9763
FB		 2539 switch(how) {
2540 case TARGET_SIG_BLOCK:
2541 how = SIG_BLOCK;
2542 break;
2543 case TARGET_SIG_UNBLOCK:
2544 how = SIG_UNBLOCK;
2545 break;
2546 case TARGET_SIG_SETMASK:
2547 how = SIG_SETMASK;
2548 break;
2549 default:
2550 ret = -EINVAL;
2551 goto fail;
2552 }
53a5960a
PB		 2553 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2554 target_to_host_old_sigset(&set, p);
2555 unlock_user(p, arg2, 0);
66fb9763
FB		 2556 set_ptr = &set;
2557 } else {
2558 how = 0;
2559 set_ptr = NULL;
2560 }
2561 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 2562 if (!is_error(ret) && arg3) {
2563 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2564 host_to_target_old_sigset(p, &oldset);
2565 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2566 }
2567 }
2568 break;
e5febef5 2569#endif
66fb9763
FB		 2570 case TARGET_NR_rt_sigprocmask:
2571 {
2572 int how = arg1;
2573 sigset_t set, oldset, *set_ptr;
66fb9763 2574
53a5960a 2575 if (arg2) {
66fb9763
FB		 2576 switch(how) {
2577 case TARGET_SIG_BLOCK:
2578 how = SIG_BLOCK;
2579 break;
2580 case TARGET_SIG_UNBLOCK:
2581 how = SIG_UNBLOCK;
2582 break;
2583 case TARGET_SIG_SETMASK:
2584 how = SIG_SETMASK;
2585 break;
2586 default:
2587 ret = -EINVAL;
2588 goto fail;
2589 }
53a5960a
PB		 2590 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2591 target_to_host_sigset(&set, p);
2592 unlock_user(p, arg2, 0);
66fb9763
FB		 2593 set_ptr = &set;
2594 } else {
2595 how = 0;
2596 set_ptr = NULL;
2597 }
2598 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 2599 if (!is_error(ret) && arg3) {
2600 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2601 host_to_target_sigset(p, &oldset);
2602 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2603 }
2604 }
2605 break;
e5febef5 2606#ifdef TARGET_NR_sigpending
66fb9763
FB		 2607 case TARGET_NR_sigpending:
2608 {
2609 sigset_t set;
2610 ret = get_errno(sigpending(&set));
2611 if (!is_error(ret)) {
53a5960a
PB		 2612 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2613 host_to_target_old_sigset(p, &set);
2614 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2615 }
2616 }
2617 break;
e5febef5 2618#endif
66fb9763
FB		 2619 case TARGET_NR_rt_sigpending:
2620 {
2621 sigset_t set;
2622 ret = get_errno(sigpending(&set));
2623 if (!is_error(ret)) {
53a5960a
PB		 2624 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2625 host_to_target_sigset(p, &set);
2626 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2627 }
2628 }
2629 break;
e5febef5 2630#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 2631 case TARGET_NR_sigsuspend:
2632 {
2633 sigset_t set;
53a5960a
PB		 2634 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2635 target_to_host_old_sigset(&set, p);
2636 unlock_user(p, arg1, 0);
66fb9763
FB		 2637 ret = get_errno(sigsuspend(&set));
2638 }
2639 break;
e5febef5 2640#endif
66fb9763
FB		 2641 case TARGET_NR_rt_sigsuspend:
2642 {
2643 sigset_t set;
53a5960a
PB		 2644 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2645 target_to_host_sigset(&set, p);
2646 unlock_user(p, arg1, 0);
66fb9763
FB		 2647 ret = get_errno(sigsuspend(&set));
2648 }
2649 break;
2650 case TARGET_NR_rt_sigtimedwait:
2651 {
66fb9763
FB		 2652 sigset_t set;
2653 struct timespec uts, *puts;
2654 siginfo_t uinfo;
2655
53a5960a
PB		 2656 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2657 target_to_host_sigset(&set, p);
2658 unlock_user(p, arg1, 0);
2659 if (arg3) {
66fb9763 2660 puts = &uts;
53a5960a 2661 target_to_host_timespec(puts, arg3);
66fb9763
FB		 2662 } else {
2663 puts = NULL;
2664 }
2665 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 2666 if (!is_error(ret) && arg2) {
2667 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2668 host_to_target_siginfo(p, &uinfo);
2669 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 2670 }
2671 }
2672 break;
2673 case TARGET_NR_rt_sigqueueinfo:
2674 {
2675 siginfo_t uinfo;
53a5960a
PB		 2676 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2677 target_to_host_siginfo(&uinfo, p);
2678 unlock_user(p, arg1, 0);
66fb9763
FB		 2679 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2680 }
2681 break;
e5febef5 2682#ifdef TARGET_NR_sigreturn
66fb9763
FB		 2683 case TARGET_NR_sigreturn:
2684 /* NOTE: ret is eax, so not transcoding must be done */
2685 ret = do_sigreturn(cpu_env);
2686 break;
e5febef5 2687#endif
66fb9763
FB		 2688 case TARGET_NR_rt_sigreturn:
2689 /* NOTE: ret is eax, so not transcoding must be done */
2690 ret = do_rt_sigreturn(cpu_env);
2691 break;
31e31b8a 2692 case TARGET_NR_sethostname:
53a5960a
PB		 2693 p = lock_user_string(arg1);
2694 ret = get_errno(sethostname(p, arg2));
2695 unlock_user(p, arg1, 0);
31e31b8a
FB		 2696 break;
2697 case TARGET_NR_setrlimit:
9de5e440
FB		 2698 {
2699 /* XXX: convert resource ? */
2700 int resource = arg1;
53a5960a 2701 struct target_rlimit *target_rlim;
9de5e440 2702 struct rlimit rlim;
53a5960a 2703 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2704 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2705 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 2706 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 2707 ret = get_errno(setrlimit(resource, &rlim));
2708 }
2709 break;
31e31b8a 2710 case TARGET_NR_getrlimit:
9de5e440
FB		 2711 {
2712 /* XXX: convert resource ? */
2713 int resource = arg1;
53a5960a 2714 struct target_rlimit *target_rlim;
9de5e440
FB		 2715 struct rlimit rlim;
2716
2717 ret = get_errno(getrlimit(resource, &rlim));
2718 if (!is_error(ret)) {
53a5960a
PB		 2719 lock_user_struct(target_rlim, arg2, 0);
2720 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2721 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2722 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2723 }
2724 }
2725 break;
31e31b8a 2726 case TARGET_NR_getrusage:
b409186b
FB		 2727 {
2728 struct rusage rusage;
b409186b
FB		 2729 ret = get_errno(getrusage(arg1, &rusage));
2730 if (!is_error(ret)) {
53a5960a 2731 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 2732 }
2733 }
2734 break;
31e31b8a
FB		 2735 case TARGET_NR_gettimeofday:
2736 {
31e31b8a
FB		 2737 struct timeval tv;
2738 ret = get_errno(gettimeofday(&tv, NULL));
2739 if (!is_error(ret)) {
53a5960a 2740 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 2741 }
2742 }
2743 break;
2744 case TARGET_NR_settimeofday:
2745 {
31e31b8a 2746 struct timeval tv;
53a5960a 2747 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 2748 ret = get_errno(settimeofday(&tv, NULL));
2749 }
2750 break;
048f6b4d 2751#ifdef TARGET_NR_select
31e31b8a 2752 case TARGET_NR_select:
f2674e31 2753 {
53a5960a
PB		 2754 struct target_sel_arg_struct *sel;
2755 target_ulong inp, outp, exp, tvp;
2756 long nsel;
2757
2758 lock_user_struct(sel, arg1, 1);
2759 nsel = tswapl(sel->n);
2760 inp = tswapl(sel->inp);
2761 outp = tswapl(sel->outp);
2762 exp = tswapl(sel->exp);
2763 tvp = tswapl(sel->tvp);
2764 unlock_user_struct(sel, arg1, 0);
2765 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 2766 }
2767 break;
048f6b4d 2768#endif
31e31b8a 2769 case TARGET_NR_symlink:
53a5960a
PB		 2770 {
2771 void *p2;
2772 p = lock_user_string(arg1);
2773 p2 = lock_user_string(arg2);
2774 ret = get_errno(symlink(p, p2));
2775 unlock_user(p2, arg2, 0);
2776 unlock_user(p, arg1, 0);
2777 }
31e31b8a 2778 break;
ebc05488 2779#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 2780 case TARGET_NR_oldlstat:
2781 goto unimplemented;
ebc05488 2782#endif
31e31b8a 2783 case TARGET_NR_readlink:
53a5960a
PB		 2784 {
2785 void *p2;
2786 p = lock_user_string(arg1);
2787 p2 = lock_user(arg2, arg3, 0);
2788 ret = get_errno(readlink(path(p), p2, arg3));
2789 unlock_user(p2, arg2, ret);
2790 unlock_user(p, arg1, 0);
2791 }
31e31b8a 2792 break;
e5febef5 2793#ifdef TARGET_NR_uselib
31e31b8a
FB		 2794 case TARGET_NR_uselib:
2795 goto unimplemented;
e5febef5
TS		 2796#endif
2797#ifdef TARGET_NR_swapon
31e31b8a 2798 case TARGET_NR_swapon:
53a5960a
PB		 2799 p = lock_user_string(arg1);
2800 ret = get_errno(swapon(p, arg2));
2801 unlock_user(p, arg1, 0);
31e31b8a 2802 break;
e5febef5 2803#endif
31e31b8a
FB		 2804 case TARGET_NR_reboot:
2805 goto unimplemented;
e5febef5 2806#ifdef TARGET_NR_readdir
31e31b8a
FB		 2807 case TARGET_NR_readdir:
2808 goto unimplemented;
e5febef5
TS		 2809#endif
2810#ifdef TARGET_NR_mmap
31e31b8a 2811 case TARGET_NR_mmap:
e6e5906b 2812#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
31e31b8a 2813 {
53a5960a
PB		 2814 target_ulong *v;
2815 target_ulong v1, v2, v3, v4, v5, v6;
2816 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2817 v1 = tswapl(v[0]);
2818 v2 = tswapl(v[1]);
2819 v3 = tswapl(v[2]);
2820 v4 = tswapl(v[3]);
2821 v5 = tswapl(v[4]);
2822 v6 = tswapl(v[5]);
2823 unlock_user(v, arg1, 0);
5286db75
FB		 2824 ret = get_errno(target_mmap(v1, v2, v3,
2825 target_to_host_bitmask(v4, mmap_flags_tbl),
2826 v5, v6));
31e31b8a 2827 }
31e31b8a 2828#else
6fb883e8
FB		 2829 ret = get_errno(target_mmap(arg1, arg2, arg3,
2830 target_to_host_bitmask(arg4, mmap_flags_tbl),
2831 arg5,
2832 arg6));
31e31b8a 2833#endif
6fb883e8 2834 break;
e5febef5 2835#endif
a315a145 2836#ifdef TARGET_NR_mmap2
6fb883e8 2837 case TARGET_NR_mmap2:
0d3267a7 2838#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 2839#define MMAP_SHIFT 12
2840#else
2841#define MMAP_SHIFT TARGET_PAGE_BITS
2842#endif
5286db75
FB		 2843 ret = get_errno(target_mmap(arg1, arg2, arg3,
2844 target_to_host_bitmask(arg4, mmap_flags_tbl),
2845 arg5,
c573ff67 2846 arg6 << MMAP_SHIFT));
31e31b8a 2847 break;
a315a145 2848#endif
31e31b8a 2849 case TARGET_NR_munmap:
54936004 2850 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 2851 break;
9de5e440 2852 case TARGET_NR_mprotect:
54936004 2853 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 2854 break;
e5febef5 2855#ifdef TARGET_NR_mremap
9de5e440 2856 case TARGET_NR_mremap:
54936004 2857 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 2858 break;
e5febef5 2859#endif
53a5960a 2860 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 2861#ifdef TARGET_NR_msync
9de5e440 2862 case TARGET_NR_msync:
53a5960a 2863 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 2864 break;
e5febef5
TS		 2865#endif
2866#ifdef TARGET_NR_mlock
9de5e440 2867 case TARGET_NR_mlock:
53a5960a 2868 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 2869 break;
e5febef5
TS		 2870#endif
2871#ifdef TARGET_NR_munlock
9de5e440 2872 case TARGET_NR_munlock:
53a5960a 2873 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 2874 break;
e5febef5
TS		 2875#endif
2876#ifdef TARGET_NR_mlockall
9de5e440
FB		 2877 case TARGET_NR_mlockall:
2878 ret = get_errno(mlockall(arg1));
2879 break;
e5febef5
TS		 2880#endif
2881#ifdef TARGET_NR_munlockall
9de5e440
FB		 2882 case TARGET_NR_munlockall:
2883 ret = get_errno(munlockall());
2884 break;
e5febef5 2885#endif
31e31b8a 2886 case TARGET_NR_truncate:
53a5960a
PB		 2887 p = lock_user_string(arg1);
2888 ret = get_errno(truncate(p, arg2));
2889 unlock_user(p, arg1, 0);
31e31b8a
FB		 2890 break;
2891 case TARGET_NR_ftruncate:
2892 ret = get_errno(ftruncate(arg1, arg2));
2893 break;
2894 case TARGET_NR_fchmod:
2895 ret = get_errno(fchmod(arg1, arg2));
2896 break;
31e31b8a
FB		 2897 case TARGET_NR_getpriority:
2898 ret = get_errno(getpriority(arg1, arg2));
2899 break;
2900 case TARGET_NR_setpriority:
2901 ret = get_errno(setpriority(arg1, arg2, arg3));
2902 break;
ebc05488 2903#ifdef TARGET_NR_profil
31e31b8a
FB		 2904 case TARGET_NR_profil:
2905 goto unimplemented;
ebc05488 2906#endif
31e31b8a 2907 case TARGET_NR_statfs:
53a5960a
PB		 2908 p = lock_user_string(arg1);
2909 ret = get_errno(statfs(path(p), &stfs));
2910 unlock_user(p, arg1, 0);
31e31b8a
FB		 2911 convert_statfs:
2912 if (!is_error(ret)) {
53a5960a 2913 struct target_statfs *target_stfs;
56c8f68f 2914
53a5960a
PB		 2915 lock_user_struct(target_stfs, arg2, 0);
2916 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2917 put_user(stfs.f_type, &target_stfs->f_type);
2918 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2919 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2920 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2921 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2922 put_user(stfs.f_files, &target_stfs->f_files);
2923 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2924 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2925 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2926 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 2927 }
2928 break;
2929 case TARGET_NR_fstatfs:
56c8f68f 2930 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 2931 goto convert_statfs;
56c8f68f
FB		 2932#ifdef TARGET_NR_statfs64
2933 case TARGET_NR_statfs64:
53a5960a
PB		 2934 p = lock_user_string(arg1);
2935 ret = get_errno(statfs(path(p), &stfs));
2936 unlock_user(p, arg1, 0);
56c8f68f
FB		 2937 convert_statfs64:
2938 if (!is_error(ret)) {
53a5960a
PB		 2939 struct target_statfs64 *target_stfs;
2940
2941 lock_user_struct(target_stfs, arg3, 0);
2942 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2943 put_user(stfs.f_type, &target_stfs->f_type);
2944 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2945 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2946 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2947 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2948 put_user(stfs.f_files, &target_stfs->f_files);
2949 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2950 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2951 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2952 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 2953 }
2954 break;
2955 case TARGET_NR_fstatfs64:
2956 ret = get_errno(fstatfs(arg1, &stfs));
2957 goto convert_statfs64;
2958#endif
ebc05488 2959#ifdef TARGET_NR_ioperm
31e31b8a
FB		 2960 case TARGET_NR_ioperm:
2961 goto unimplemented;
ebc05488 2962#endif
e5febef5 2963#ifdef TARGET_NR_socketcall
31e31b8a 2964 case TARGET_NR_socketcall:
53a5960a 2965 ret = do_socketcall(arg1, arg2);
31e31b8a 2966 break;
e5febef5 2967#endif
3532fa74
FB		 2968#ifdef TARGET_NR_accept
2969 case TARGET_NR_accept:
1be9e1dc 2970 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 2971 break;
2972#endif
2973#ifdef TARGET_NR_bind
2974 case TARGET_NR_bind:
2975 ret = do_bind(arg1, arg2, arg3);
2976 break;
2977#endif
2978#ifdef TARGET_NR_connect
2979 case TARGET_NR_connect:
2980 ret = do_connect(arg1, arg2, arg3);
2981 break;
2982#endif
2983#ifdef TARGET_NR_getpeername
2984 case TARGET_NR_getpeername:
1be9e1dc 2985 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 2986 break;
2987#endif
2988#ifdef TARGET_NR_getsockname
2989 case TARGET_NR_getsockname:
1be9e1dc 2990 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 2991 break;
2992#endif
2993#ifdef TARGET_NR_getsockopt
2994 case TARGET_NR_getsockopt:
2995 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2996 break;
2997#endif
2998#ifdef TARGET_NR_listen
2999 case TARGET_NR_listen:
1be9e1dc 3000 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 3001 break;
3002#endif
3003#ifdef TARGET_NR_recv
3004 case TARGET_NR_recv:
214201bd 3005 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3006 break;
3007#endif
3008#ifdef TARGET_NR_recvfrom
3009 case TARGET_NR_recvfrom:
214201bd 3010 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3011 break;
3012#endif
3013#ifdef TARGET_NR_recvmsg
3014 case TARGET_NR_recvmsg:
3015 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3016 break;
3017#endif
3018#ifdef TARGET_NR_send
3019 case TARGET_NR_send:
1be9e1dc 3020 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3021 break;
3022#endif
3023#ifdef TARGET_NR_sendmsg
3024 case TARGET_NR_sendmsg:
3025 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3026 break;
3027#endif
3028#ifdef TARGET_NR_sendto
3029 case TARGET_NR_sendto:
1be9e1dc 3030 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3031 break;
3032#endif
3033#ifdef TARGET_NR_shutdown
3034 case TARGET_NR_shutdown:
1be9e1dc 3035 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 3036 break;
3037#endif
3038#ifdef TARGET_NR_socket
3039 case TARGET_NR_socket:
3040 ret = do_socket(arg1, arg2, arg3);
3041 break;
3042#endif
3043#ifdef TARGET_NR_socketpair
3044 case TARGET_NR_socketpair:
1be9e1dc 3045 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 3046 break;
3047#endif
3048#ifdef TARGET_NR_setsockopt
3049 case TARGET_NR_setsockopt:
3050 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3051 break;
3052#endif
7494b0f9 3053
31e31b8a 3054 case TARGET_NR_syslog:
e5574487
TS		 3055 p = lock_user_string(arg2);
3056 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3057 unlock_user(p, arg2, 0);
7494b0f9
TS		 3058 break;
3059
31e31b8a 3060 case TARGET_NR_setitimer:
66fb9763 3061 {
66fb9763
FB		 3062 struct itimerval value, ovalue, *pvalue;
3063
53a5960a 3064 if (arg2) {
66fb9763
FB		 3065 pvalue = &value;
3066 target_to_host_timeval(&pvalue->it_interval,
53a5960a 3067 arg2);
66fb9763 3068 target_to_host_timeval(&pvalue->it_value,
53a5960a 3069 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 3070 } else {
3071 pvalue = NULL;
3072 }
3073 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 3074 if (!is_error(ret) && arg3) {
3075 host_to_target_timeval(arg3,
66fb9763 3076 &ovalue.it_interval);
53a5960a 3077 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 3078 &ovalue.it_value);
3079 }
3080 }
3081 break;
31e31b8a 3082 case TARGET_NR_getitimer:
66fb9763 3083 {
66fb9763
FB		 3084 struct itimerval value;
3085
3086 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 3087 if (!is_error(ret) && arg2) {
3088 host_to_target_timeval(arg2,
66fb9763 3089 &value.it_interval);
53a5960a 3090 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 3091 &value.it_value);
3092 }
3093 }
3094 break;
31e31b8a 3095 case TARGET_NR_stat:
53a5960a
PB		 3096 p = lock_user_string(arg1);
3097 ret = get_errno(stat(path(p), &st));
3098 unlock_user(p, arg1, 0);
31e31b8a
FB		 3099 goto do_stat;
3100 case TARGET_NR_lstat:
53a5960a
PB		 3101 p = lock_user_string(arg1);
3102 ret = get_errno(lstat(path(p), &st));
3103 unlock_user(p, arg1, 0);
31e31b8a
FB		 3104 goto do_stat;
3105 case TARGET_NR_fstat:
3106 {
3107 ret = get_errno(fstat(arg1, &st));
3108 do_stat:
3109 if (!is_error(ret)) {
53a5960a
PB		 3110 struct target_stat *target_st;
3111
3112 lock_user_struct(target_st, arg2, 0);
31e31b8a
FB		 3113 target_st->st_dev = tswap16(st.st_dev);
3114 target_st->st_ino = tswapl(st.st_ino);
7d600c80 3115#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 3116 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3117 target_st->st_uid = tswap32(st.st_uid);
3118 target_st->st_gid = tswap32(st.st_gid);
3119#else
ec86b0fb 3120 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 3121 target_st->st_uid = tswap16(st.st_uid);
3122 target_st->st_gid = tswap16(st.st_gid);
67867308
FB		 3123#endif
3124 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a
FB		 3125 target_st->st_rdev = tswap16(st.st_rdev);
3126 target_st->st_size = tswapl(st.st_size);
3127 target_st->st_blksize = tswapl(st.st_blksize);
3128 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 3129 target_st->target_st_atime = tswapl(st.st_atime);
3130 target_st->target_st_mtime = tswapl(st.st_mtime);
3131 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 3132 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 3133 }
3134 }
3135 break;
ebc05488 3136#ifdef TARGET_NR_olduname
31e31b8a
FB		 3137 case TARGET_NR_olduname:
3138 goto unimplemented;
ebc05488
FB		 3139#endif
3140#ifdef TARGET_NR_iopl
31e31b8a
FB		 3141 case TARGET_NR_iopl:
3142 goto unimplemented;
ebc05488 3143#endif
31e31b8a
FB		 3144 case TARGET_NR_vhangup:
3145 ret = get_errno(vhangup());
3146 break;
ebc05488 3147#ifdef TARGET_NR_idle
31e31b8a
FB		 3148 case TARGET_NR_idle:
3149 goto unimplemented;
42ad6ae9
FB		 3150#endif
3151#ifdef TARGET_NR_syscall
3152 case TARGET_NR_syscall:
3153 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3154 break;
ebc05488 3155#endif
31e31b8a
FB		 3156 case TARGET_NR_wait4:
3157 {
3158 int status;
53a5960a 3159 target_long status_ptr = arg2;
31e31b8a 3160 struct rusage rusage, *rusage_ptr;
53a5960a 3161 target_ulong target_rusage = arg4;
31e31b8a
FB		 3162 if (target_rusage)
3163 rusage_ptr = &rusage;
3164 else
3165 rusage_ptr = NULL;
3166 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3167 if (!is_error(ret)) {
3168 if (status_ptr)
53a5960a 3169 tputl(status_ptr, status);
31e31b8a 3170 if (target_rusage) {
b409186b 3171 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 3172 }
3173 }
3174 }
3175 break;
e5febef5 3176#ifdef TARGET_NR_swapoff
31e31b8a 3177 case TARGET_NR_swapoff:
53a5960a
PB		 3178 p = lock_user_string(arg1);
3179 ret = get_errno(swapoff(p));
3180 unlock_user(p, arg1, 0);
31e31b8a 3181 break;
e5febef5 3182#endif
31e31b8a 3183 case TARGET_NR_sysinfo:
a5448a7d 3184 {
53a5960a 3185 struct target_sysinfo *target_value;
a5448a7d
FB		 3186 struct sysinfo value;
3187 ret = get_errno(sysinfo(&value));
53a5960a 3188 if (!is_error(ret) && arg1)
a5448a7d 3189 {
53a5960a
PB		 3190 /* ??? __put_user is probably wrong. */
3191 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3192 __put_user(value.uptime, &target_value->uptime);
3193 __put_user(value.loads[0], &target_value->loads[0]);
3194 __put_user(value.loads[1], &target_value->loads[1]);
3195 __put_user(value.loads[2], &target_value->loads[2]);
3196 __put_user(value.totalram, &target_value->totalram);
3197 __put_user(value.freeram, &target_value->freeram);
3198 __put_user(value.sharedram, &target_value->sharedram);
3199 __put_user(value.bufferram, &target_value->bufferram);
3200 __put_user(value.totalswap, &target_value->totalswap);
3201 __put_user(value.freeswap, &target_value->freeswap);
3202 __put_user(value.procs, &target_value->procs);
3203 __put_user(value.totalhigh, &target_value->totalhigh);
3204 __put_user(value.freehigh, &target_value->freehigh);
3205 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 3206 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 3207 }
3208 }
3209 break;
e5febef5 3210#ifdef TARGET_NR_ipc
31e31b8a 3211 case TARGET_NR_ipc:
8853f86e
FB		 3212 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3213 break;
e5febef5 3214#endif
31e31b8a
FB		 3215 case TARGET_NR_fsync:
3216 ret = get_errno(fsync(arg1));
3217 break;
31e31b8a 3218 case TARGET_NR_clone:
1b6b029e
FB		 3219 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3220 break;
ec86b0fb
FB		 3221#ifdef __NR_exit_group
3222 /* new thread calls */
3223 case TARGET_NR_exit_group:
e9009676 3224 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 3225 ret = get_errno(exit_group(arg1));
3226 break;
3227#endif
31e31b8a 3228 case TARGET_NR_setdomainname:
53a5960a
PB		 3229 p = lock_user_string(arg1);
3230 ret = get_errno(setdomainname(p, arg2));
3231 unlock_user(p, arg1, 0);
31e31b8a
FB		 3232 break;
3233 case TARGET_NR_uname:
3234 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 3235 {
3236 struct new_utsname * buf;
3237
53a5960a 3238 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 3239 ret = get_errno(sys_uname(buf));
3240 if (!is_error(ret)) {
3241 /* Overrite the native machine name with whatever is being
3242 emulated. */
3243 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 3244 /* Allow the user to override the reported release. */
3245 if (qemu_uname_release && *qemu_uname_release)
3246 strcpy (buf->release, qemu_uname_release);
29e619b1 3247 }
53a5960a 3248 unlock_user_struct(buf, arg1, 1);
29e619b1 3249 }
31e31b8a 3250 break;
6dbad63e 3251#ifdef TARGET_I386
31e31b8a 3252 case TARGET_NR_modify_ldt:
53a5960a 3253 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b 3254 break;
84409ddb 3255#if !defined(TARGET_X86_64)
5cd4393b
FB		 3256 case TARGET_NR_vm86old:
3257 goto unimplemented;
3258 case TARGET_NR_vm86:
53a5960a 3259 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 3260 break;
84409ddb 3261#endif
6dbad63e 3262#endif
31e31b8a
FB		 3263 case TARGET_NR_adjtimex:
3264 goto unimplemented;
e5febef5 3265#ifdef TARGET_NR_create_module
31e31b8a 3266 case TARGET_NR_create_module:
e5febef5 3267#endif
31e31b8a
FB		 3268 case TARGET_NR_init_module:
3269 case TARGET_NR_delete_module:
e5febef5 3270#ifdef TARGET_NR_get_kernel_syms
31e31b8a 3271 case TARGET_NR_get_kernel_syms:
e5febef5 3272#endif
31e31b8a
FB		 3273 goto unimplemented;
3274 case TARGET_NR_quotactl:
3275 goto unimplemented;
3276 case TARGET_NR_getpgid:
3277 ret = get_errno(getpgid(arg1));
3278 break;
3279 case TARGET_NR_fchdir:
3280 ret = get_errno(fchdir(arg1));
3281 break;
84409ddb 3282#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 3283 case TARGET_NR_bdflush:
3284 goto unimplemented;
84409ddb 3285#endif
e5febef5 3286#ifdef TARGET_NR_sysfs
31e31b8a
FB		 3287 case TARGET_NR_sysfs:
3288 goto unimplemented;
e5febef5 3289#endif
31e31b8a 3290 case TARGET_NR_personality:
1b6b029e 3291 ret = get_errno(personality(arg1));
31e31b8a 3292 break;
e5febef5 3293#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 3294 case TARGET_NR_afs_syscall:
3295 goto unimplemented;
e5febef5 3296#endif
7a3148a9 3297#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 3298 case TARGET_NR__llseek:
3299 {
4f2ac237
FB		 3300#if defined (__x86_64__)
3301 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 3302 tput64(arg4, ret);
4f2ac237 3303#else
31e31b8a
FB		 3304 int64_t res;
3305 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 3306 tput64(arg4, res);
4f2ac237 3307#endif
31e31b8a
FB		 3308 }
3309 break;
7a3148a9 3310#endif
31e31b8a
FB		 3311 case TARGET_NR_getdents:
3312#if TARGET_LONG_SIZE != 4
53a5960a 3313 goto unimplemented;
a315a145 3314#warning not supported
4add45b4
FB		 3315#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3316 {
53a5960a 3317 struct target_dirent *target_dirp;
4add45b4
FB		 3318 struct dirent *dirp;
3319 long count = arg3;
3320
3321 dirp = malloc(count);
3322 if (!dirp)
3323 return -ENOMEM;
3324
3325 ret = get_errno(sys_getdents(arg1, dirp, count));
3326 if (!is_error(ret)) {
3327 struct dirent *de;
3328 struct target_dirent *tde;
3329 int len = ret;
3330 int reclen, treclen;
3331 int count1, tnamelen;
3332
3333 count1 = 0;
3334 de = dirp;
53a5960a 3335 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 3336 tde = target_dirp;
3337 while (len > 0) {
3338 reclen = de->d_reclen;
3339 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3340 tde->d_reclen = tswap16(treclen);
3341 tde->d_ino = tswapl(de->d_ino);
3342 tde->d_off = tswapl(de->d_off);
3343 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3344 if (tnamelen > 256)
3345 tnamelen = 256;
80a9d035 3346 /* XXX: may not be correct */
4add45b4
FB		 3347 strncpy(tde->d_name, de->d_name, tnamelen);
3348 de = (struct dirent *)((char *)de + reclen);
3349 len -= reclen;
1c5bf3bf 3350 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 3351 count1 += treclen;
3352 }
3353 ret = count1;
3354 }
53a5960a 3355 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 3356 free(dirp);
3357 }
3358#else
31e31b8a 3359 {
53a5960a 3360 struct dirent *dirp;
31e31b8a 3361 long count = arg3;
dab2ed99 3362
53a5960a 3363 dirp = lock_user(arg2, count, 0);
72f03900 3364 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 3365 if (!is_error(ret)) {
3366 struct dirent *de;
3367 int len = ret;
3368 int reclen;
3369 de = dirp;
3370 while (len > 0) {
8083a3e5 3371 reclen = de->d_reclen;
31e31b8a
FB		 3372 if (reclen > len)
3373 break;
8083a3e5 3374 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 3375 tswapls(&de->d_ino);
3376 tswapls(&de->d_off);
3377 de = (struct dirent *)((char *)de + reclen);
3378 len -= reclen;
3379 }
3380 }
53a5960a 3381 unlock_user(dirp, arg2, ret);
31e31b8a 3382 }
4add45b4 3383#endif
31e31b8a 3384 break;
a541f297 3385#ifdef TARGET_NR_getdents64
dab2ed99
FB		 3386 case TARGET_NR_getdents64:
3387 {
53a5960a 3388 struct dirent64 *dirp;
dab2ed99 3389 long count = arg3;
53a5960a 3390 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 3391 ret = get_errno(sys_getdents64(arg1, dirp, count));
3392 if (!is_error(ret)) {
3393 struct dirent64 *de;
3394 int len = ret;
3395 int reclen;
3396 de = dirp;
3397 while (len > 0) {
8083a3e5 3398 reclen = de->d_reclen;
dab2ed99
FB		 3399 if (reclen > len)
3400 break;
8083a3e5 3401 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 3402 tswap64s(&de->d_ino);
3403 tswap64s(&de->d_off);
3404 de = (struct dirent64 *)((char *)de + reclen);
3405 len -= reclen;
3406 }
3407 }
53a5960a 3408 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 3409 }
3410 break;
a541f297 3411#endif /* TARGET_NR_getdents64 */
e5febef5 3412#ifdef TARGET_NR__newselect
31e31b8a 3413 case TARGET_NR__newselect:
53a5960a 3414 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 3415 break;
e5febef5
TS		 3416#endif
3417#ifdef TARGET_NR_poll
9de5e440
FB		 3418 case TARGET_NR_poll:
3419 {
53a5960a 3420 struct target_pollfd *target_pfd;
9de5e440
FB		 3421 unsigned int nfds = arg2;
3422 int timeout = arg3;
3423 struct pollfd *pfd;
7854b056 3424 unsigned int i;
9de5e440 3425
53a5960a 3426 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 3427 pfd = alloca(sizeof(struct pollfd) * nfds);
3428 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 3429 pfd[i].fd = tswap32(target_pfd[i].fd);
3430 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 3431 }
3432 ret = get_errno(poll(pfd, nfds, timeout));
3433 if (!is_error(ret)) {
3434 for(i = 0; i < nfds; i++) {
5cd4393b 3435 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 3436 }
53a5960a
PB		 3437 ret += nfds * (sizeof(struct target_pollfd)
3438 - sizeof(struct pollfd));
9de5e440 3439 }
53a5960a 3440 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 3441 }
3442 break;
e5febef5 3443#endif
31e31b8a 3444 case TARGET_NR_flock:
9de5e440
FB		 3445 /* NOTE: the flock constant seems to be the same for every
3446 Linux platform */
3447 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 3448 break;
3449 case TARGET_NR_readv:
3450 {
3451 int count = arg3;
31e31b8a 3452 struct iovec *vec;
31e31b8a
FB		 3453
3454 vec = alloca(count * sizeof(struct iovec));
53a5960a 3455 lock_iovec(vec, arg2, count, 0);
31e31b8a 3456 ret = get_errno(readv(arg1, vec, count));
53a5960a 3457 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 3458 }
3459 break;
3460 case TARGET_NR_writev:
3461 {
3462 int count = arg3;
31e31b8a 3463 struct iovec *vec;
31e31b8a
FB		 3464
3465 vec = alloca(count * sizeof(struct iovec));
53a5960a 3466 lock_iovec(vec, arg2, count, 1);
31e31b8a 3467 ret = get_errno(writev(arg1, vec, count));
53a5960a 3468 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 3469 }
3470 break;
3471 case TARGET_NR_getsid:
3472 ret = get_errno(getsid(arg1));
3473 break;
7a3148a9 3474#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 3475 case TARGET_NR_fdatasync:
5cd4393b
FB		 3476 ret = get_errno(fdatasync(arg1));
3477 break;
7a3148a9 3478#endif
31e31b8a 3479 case TARGET_NR__sysctl:
29e619b1
FB		 3480 /* We don't implement this, but ENODIR is always a safe
3481 return value. */
3482 return -ENOTDIR;
31e31b8a 3483 case TARGET_NR_sched_setparam:
5cd4393b 3484 {
53a5960a 3485 struct sched_param *target_schp;
5cd4393b 3486 struct sched_param schp;
53a5960a
PB		 3487
3488 lock_user_struct(target_schp, arg2, 1);
5cd4393b 3489 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3490 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 3491 ret = get_errno(sched_setparam(arg1, &schp));
3492 }
3493 break;
31e31b8a 3494 case TARGET_NR_sched_getparam:
5cd4393b 3495 {
53a5960a 3496 struct sched_param *target_schp;
5cd4393b
FB		 3497 struct sched_param schp;
3498 ret = get_errno(sched_getparam(arg1, &schp));
3499 if (!is_error(ret)) {
53a5960a 3500 lock_user_struct(target_schp, arg2, 0);
5cd4393b 3501 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 3502 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 3503 }
3504 }
3505 break;
31e31b8a 3506 case TARGET_NR_sched_setscheduler:
5cd4393b 3507 {
53a5960a 3508 struct sched_param *target_schp;
5cd4393b 3509 struct sched_param schp;
53a5960a 3510 lock_user_struct(target_schp, arg3, 1);
5cd4393b 3511 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3512 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 3513 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3514 }
3515 break;
31e31b8a 3516 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 3517 ret = get_errno(sched_getscheduler(arg1));
3518 break;
31e31b8a
FB		 3519 case TARGET_NR_sched_yield:
3520 ret = get_errno(sched_yield());
3521 break;
3522 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 3523 ret = get_errno(sched_get_priority_max(arg1));
3524 break;
31e31b8a 3525 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 3526 ret = get_errno(sched_get_priority_min(arg1));
3527 break;
31e31b8a 3528 case TARGET_NR_sched_rr_get_interval:
5cd4393b 3529 {
5cd4393b
FB		 3530 struct timespec ts;
3531 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3532 if (!is_error(ret)) {
53a5960a 3533 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 3534 }
3535 }
3536 break;
31e31b8a 3537 case TARGET_NR_nanosleep:
1b6b029e 3538 {
1b6b029e 3539 struct timespec req, rem;
53a5960a 3540 target_to_host_timespec(&req, arg1);
1b6b029e 3541 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 3542 if (is_error(ret) && arg2) {
3543 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 3544 }
3545 }
3546 break;
e5febef5 3547#ifdef TARGET_NR_query_module
31e31b8a 3548 case TARGET_NR_query_module:
5cd4393b 3549 goto unimplemented;
e5febef5
TS		 3550#endif
3551#ifdef TARGET_NR_nfsservctl
31e31b8a 3552 case TARGET_NR_nfsservctl:
5cd4393b 3553 goto unimplemented;
e5febef5 3554#endif
31e31b8a 3555 case TARGET_NR_prctl:
e5574487
TS		 3556 switch (arg1)
3557 {
3558 case PR_GET_PDEATHSIG:
3559 {
3560 int deathsig;
3561 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3562 if (!is_error(ret) && arg2)
3563 tput32(arg2, deathsig);
3564 }
3565 break;
3566 default:
3567 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
3568 break;
3569 }
39b9aae1 3570 break;
67867308 3571#ifdef TARGET_NR_pread
31e31b8a 3572 case TARGET_NR_pread:
53a5960a
PB		 3573 page_unprotect_range(arg2, arg3);
3574 p = lock_user(arg2, arg3, 0);
3575 ret = get_errno(pread(arg1, p, arg3, arg4));
3576 unlock_user(p, arg2, ret);
206f0fa7 3577 break;
31e31b8a 3578 case TARGET_NR_pwrite:
53a5960a
PB		 3579 p = lock_user(arg2, arg3, 1);
3580 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3581 unlock_user(p, arg2, 0);
206f0fa7 3582 break;
67867308 3583#endif
31e31b8a 3584 case TARGET_NR_getcwd:
53a5960a
PB		 3585 p = lock_user(arg1, arg2, 0);
3586 ret = get_errno(sys_getcwd1(p, arg2));
3587 unlock_user(p, arg1, ret);
31e31b8a
FB		 3588 break;
3589 case TARGET_NR_capget:
5cd4393b 3590 goto unimplemented;
31e31b8a 3591 case TARGET_NR_capset:
5cd4393b 3592 goto unimplemented;
31e31b8a 3593 case TARGET_NR_sigaltstack:
5cd4393b 3594 goto unimplemented;
31e31b8a 3595 case TARGET_NR_sendfile:
5cd4393b 3596 goto unimplemented;
ebc05488 3597#ifdef TARGET_NR_getpmsg
31e31b8a 3598 case TARGET_NR_getpmsg:
5cd4393b 3599 goto unimplemented;
ebc05488
FB		 3600#endif
3601#ifdef TARGET_NR_putpmsg
31e31b8a 3602 case TARGET_NR_putpmsg:
5cd4393b 3603 goto unimplemented;
ebc05488 3604#endif
048f6b4d 3605#ifdef TARGET_NR_vfork
31e31b8a 3606 case TARGET_NR_vfork:
1b6b029e 3607 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 3608 break;
048f6b4d 3609#endif
ebc05488 3610#ifdef TARGET_NR_ugetrlimit
31e31b8a 3611 case TARGET_NR_ugetrlimit:
728584be
FB		 3612 {
3613 struct rlimit rlim;
3614 ret = get_errno(getrlimit(arg1, &rlim));
3615 if (!is_error(ret)) {
53a5960a
PB		 3616 struct target_rlimit *target_rlim;
3617 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 3618 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3619 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 3620 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 3621 }
3622 break;
3623 }
ebc05488 3624#endif
a315a145 3625#ifdef TARGET_NR_truncate64
31e31b8a 3626 case TARGET_NR_truncate64:
53a5960a
PB		 3627 p = lock_user_string(arg1);
3628 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3629 unlock_user(p, arg1, 0);
667f38b1 3630 break;
a315a145
FB		 3631#endif
3632#ifdef TARGET_NR_ftruncate64
31e31b8a 3633 case TARGET_NR_ftruncate64:
ce4defa0 3634 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 3635 break;
a315a145
FB		 3636#endif
3637#ifdef TARGET_NR_stat64
31e31b8a 3638 case TARGET_NR_stat64:
53a5960a
PB		 3639 p = lock_user_string(arg1);
3640 ret = get_errno(stat(path(p), &st));
3641 unlock_user(p, arg1, 0);
60cd49d5 3642 goto do_stat64;
a315a145
FB		 3643#endif
3644#ifdef TARGET_NR_lstat64
31e31b8a 3645 case TARGET_NR_lstat64:
53a5960a
PB		 3646 p = lock_user_string(arg1);
3647 ret = get_errno(lstat(path(p), &st));
3648 unlock_user(p, arg1, 0);
60cd49d5 3649 goto do_stat64;
a315a145
FB		 3650#endif
3651#ifdef TARGET_NR_fstat64
31e31b8a 3652 case TARGET_NR_fstat64:
60cd49d5
FB		 3653 {
3654 ret = get_errno(fstat(arg1, &st));
3655 do_stat64:
3656 if (!is_error(ret)) {
ce4defa0
PB		 3657#ifdef TARGET_ARM
3658 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 3659 struct target_eabi_stat64 *target_st;
3660 lock_user_struct(target_st, arg2, 1);
ce4defa0 3661 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 3662 /* put_user is probably wrong. */
ce4defa0
PB		 3663 put_user(st.st_dev, &target_st->st_dev);
3664 put_user(st.st_ino, &target_st->st_ino);
3665#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3666 put_user(st.st_ino, &target_st->__st_ino);
3667#endif
3668 put_user(st.st_mode, &target_st->st_mode);
3669 put_user(st.st_nlink, &target_st->st_nlink);
3670 put_user(st.st_uid, &target_st->st_uid);
3671 put_user(st.st_gid, &target_st->st_gid);
3672 put_user(st.st_rdev, &target_st->st_rdev);
3673 /* XXX: better use of kernel struct */
3674 put_user(st.st_size, &target_st->st_size);
3675 put_user(st.st_blksize, &target_st->st_blksize);
3676 put_user(st.st_blocks, &target_st->st_blocks);
3677 put_user(st.st_atime, &target_st->target_st_atime);
3678 put_user(st.st_mtime, &target_st->target_st_mtime);
3679 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3680 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 3681 } else
3682#endif
3683 {
53a5960a
PB		 3684 struct target_stat64 *target_st;
3685 lock_user_struct(target_st, arg2, 1);
ce4defa0 3686 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 3687 /* ??? put_user is probably wrong. */
ce4defa0
PB		 3688 put_user(st.st_dev, &target_st->st_dev);
3689 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 3690#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 3691 put_user(st.st_ino, &target_st->__st_ino);
3692#endif
3693 put_user(st.st_mode, &target_st->st_mode);
3694 put_user(st.st_nlink, &target_st->st_nlink);
3695 put_user(st.st_uid, &target_st->st_uid);
3696 put_user(st.st_gid, &target_st->st_gid);
3697 put_user(st.st_rdev, &target_st->st_rdev);
3698 /* XXX: better use of kernel struct */
3699 put_user(st.st_size, &target_st->st_size);
3700 put_user(st.st_blksize, &target_st->st_blksize);
3701 put_user(st.st_blocks, &target_st->st_blocks);
3702 put_user(st.st_atime, &target_st->target_st_atime);
3703 put_user(st.st_mtime, &target_st->target_st_mtime);
3704 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3705 unlock_user_struct(target_st, arg2, 0);
ce4defa0 3706 }
60cd49d5
FB		 3707 }
3708 }
3709 break;
a315a145 3710#endif
67867308
FB		 3711#ifdef USE_UID16
3712 case TARGET_NR_lchown:
53a5960a
PB		 3713 p = lock_user_string(arg1);
3714 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3715 unlock_user(p, arg1, 0);
67867308
FB		 3716 break;
3717 case TARGET_NR_getuid:
3718 ret = get_errno(high2lowuid(getuid()));
3719 break;
3720 case TARGET_NR_getgid:
3721 ret = get_errno(high2lowgid(getgid()));
3722 break;
3723 case TARGET_NR_geteuid:
3724 ret = get_errno(high2lowuid(geteuid()));
3725 break;
3726 case TARGET_NR_getegid:
3727 ret = get_errno(high2lowgid(getegid()));
3728 break;
3729 case TARGET_NR_setreuid:
3730 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3731 break;
3732 case TARGET_NR_setregid:
3733 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3734 break;
3735 case TARGET_NR_getgroups:
3736 {
3737 int gidsetsize = arg1;
53a5960a 3738 uint16_t *target_grouplist;
67867308
FB		 3739 gid_t *grouplist;
3740 int i;
3741
3742 grouplist = alloca(gidsetsize * sizeof(gid_t));
3743 ret = get_errno(getgroups(gidsetsize, grouplist));
3744 if (!is_error(ret)) {
53a5960a 3745 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 3746 for(i = 0;i < gidsetsize; i++)
3747 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 3748 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 3749 }
3750 }
3751 break;
3752 case TARGET_NR_setgroups:
3753 {
3754 int gidsetsize = arg1;
53a5960a 3755 uint16_t *target_grouplist;
67867308
FB		 3756 gid_t *grouplist;
3757 int i;
3758
3759 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3760 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 3761 for(i = 0;i < gidsetsize; i++)
3762 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 3763 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 3764 ret = get_errno(setgroups(gidsetsize, grouplist));
3765 }
3766 break;
3767 case TARGET_NR_fchown:
3768 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3769 break;
3770#ifdef TARGET_NR_setresuid
3771 case TARGET_NR_setresuid:
3772 ret = get_errno(setresuid(low2highuid(arg1),
3773 low2highuid(arg2),
3774 low2highuid(arg3)));
3775 break;
3776#endif
3777#ifdef TARGET_NR_getresuid
3778 case TARGET_NR_getresuid:
3779 {
53a5960a 3780 uid_t ruid, euid, suid;
67867308
FB		 3781 ret = get_errno(getresuid(&ruid, &euid, &suid));
3782 if (!is_error(ret)) {
53a5960a
PB		 3783 tput16(arg1, tswap16(high2lowuid(ruid)));
3784 tput16(arg2, tswap16(high2lowuid(euid)));
3785 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 3786 }
3787 }
3788 break;
3789#endif
3790#ifdef TARGET_NR_getresgid
3791 case TARGET_NR_setresgid:
3792 ret = get_errno(setresgid(low2highgid(arg1),
3793 low2highgid(arg2),
3794 low2highgid(arg3)));
3795 break;
3796#endif
3797#ifdef TARGET_NR_getresgid
3798 case TARGET_NR_getresgid:
3799 {
53a5960a 3800 gid_t rgid, egid, sgid;
67867308
FB		 3801 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3802 if (!is_error(ret)) {
53a5960a
PB		 3803 tput16(arg1, tswap16(high2lowgid(rgid)));
3804 tput16(arg2, tswap16(high2lowgid(egid)));
3805 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 3806 }
3807 }
3808 break;
3809#endif
3810 case TARGET_NR_chown:
53a5960a
PB		 3811 p = lock_user_string(arg1);
3812 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3813 unlock_user(p, arg1, 0);
67867308
FB		 3814 break;
3815 case TARGET_NR_setuid:
3816 ret = get_errno(setuid(low2highuid(arg1)));
3817 break;
3818 case TARGET_NR_setgid:
3819 ret = get_errno(setgid(low2highgid(arg1)));
3820 break;
3821 case TARGET_NR_setfsuid:
3822 ret = get_errno(setfsuid(arg1));
3823 break;
3824 case TARGET_NR_setfsgid:
3825 ret = get_errno(setfsgid(arg1));
3826 break;
3827#endif /* USE_UID16 */
3828
a315a145 3829#ifdef TARGET_NR_lchown32
31e31b8a 3830 case TARGET_NR_lchown32:
53a5960a
PB		 3831 p = lock_user_string(arg1);
3832 ret = get_errno(lchown(p, arg2, arg3));
3833 unlock_user(p, arg1, 0);
b03c60f3 3834 break;
a315a145
FB		 3835#endif
3836#ifdef TARGET_NR_getuid32
31e31b8a 3837 case TARGET_NR_getuid32:
b03c60f3
FB		 3838 ret = get_errno(getuid());
3839 break;
a315a145
FB		 3840#endif
3841#ifdef TARGET_NR_getgid32
31e31b8a 3842 case TARGET_NR_getgid32:
b03c60f3
FB		 3843 ret = get_errno(getgid());
3844 break;
a315a145
FB		 3845#endif
3846#ifdef TARGET_NR_geteuid32
31e31b8a 3847 case TARGET_NR_geteuid32:
b03c60f3
FB		 3848 ret = get_errno(geteuid());
3849 break;
a315a145
FB		 3850#endif
3851#ifdef TARGET_NR_getegid32
31e31b8a 3852 case TARGET_NR_getegid32:
b03c60f3
FB		 3853 ret = get_errno(getegid());
3854 break;
a315a145
FB		 3855#endif
3856#ifdef TARGET_NR_setreuid32
31e31b8a 3857 case TARGET_NR_setreuid32:
b03c60f3
FB		 3858 ret = get_errno(setreuid(arg1, arg2));
3859 break;
a315a145
FB		 3860#endif
3861#ifdef TARGET_NR_setregid32
31e31b8a 3862 case TARGET_NR_setregid32:
b03c60f3
FB		 3863 ret = get_errno(setregid(arg1, arg2));
3864 break;
a315a145
FB		 3865#endif
3866#ifdef TARGET_NR_getgroups32
31e31b8a 3867 case TARGET_NR_getgroups32:
99c475ab
FB		 3868 {
3869 int gidsetsize = arg1;
53a5960a 3870 uint32_t *target_grouplist;
99c475ab
FB		 3871 gid_t *grouplist;
3872 int i;
3873
3874 grouplist = alloca(gidsetsize * sizeof(gid_t));
3875 ret = get_errno(getgroups(gidsetsize, grouplist));
3876 if (!is_error(ret)) {
53a5960a 3877 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 3878 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3879 target_grouplist[i] = tswap32(grouplist[i]);
3880 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 3881 }
3882 }
3883 break;
a315a145
FB		 3884#endif
3885#ifdef TARGET_NR_setgroups32
31e31b8a 3886 case TARGET_NR_setgroups32:
99c475ab
FB		 3887 {
3888 int gidsetsize = arg1;
53a5960a 3889 uint32_t *target_grouplist;
99c475ab
FB		 3890 gid_t *grouplist;
3891 int i;
3892
3893 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3894 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 3895 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3896 grouplist[i] = tswap32(target_grouplist[i]);
3897 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 3898 ret = get_errno(setgroups(gidsetsize, grouplist));
3899 }
3900 break;
a315a145
FB		 3901#endif
3902#ifdef TARGET_NR_fchown32
31e31b8a 3903 case TARGET_NR_fchown32:
b03c60f3
FB		 3904 ret = get_errno(fchown(arg1, arg2, arg3));
3905 break;
a315a145
FB		 3906#endif
3907#ifdef TARGET_NR_setresuid32
31e31b8a 3908 case TARGET_NR_setresuid32:
b03c60f3
FB		 3909 ret = get_errno(setresuid(arg1, arg2, arg3));
3910 break;
a315a145
FB		 3911#endif
3912#ifdef TARGET_NR_getresuid32
31e31b8a 3913 case TARGET_NR_getresuid32:
b03c60f3 3914 {
53a5960a 3915 uid_t ruid, euid, suid;
b03c60f3
FB		 3916 ret = get_errno(getresuid(&ruid, &euid, &suid));
3917 if (!is_error(ret)) {
53a5960a
PB		 3918 tput32(arg1, tswap32(ruid));
3919 tput32(arg2, tswap32(euid));
3920 tput32(arg3, tswap32(suid));
b03c60f3
FB		 3921 }
3922 }
3923 break;
a315a145
FB		 3924#endif
3925#ifdef TARGET_NR_setresgid32
31e31b8a 3926 case TARGET_NR_setresgid32:
b03c60f3
FB		 3927 ret = get_errno(setresgid(arg1, arg2, arg3));
3928 break;
a315a145
FB		 3929#endif
3930#ifdef TARGET_NR_getresgid32
31e31b8a 3931 case TARGET_NR_getresgid32:
b03c60f3 3932 {
53a5960a 3933 gid_t rgid, egid, sgid;
b03c60f3
FB		 3934 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3935 if (!is_error(ret)) {
53a5960a
PB		 3936 tput32(arg1, tswap32(rgid));
3937 tput32(arg2, tswap32(egid));
3938 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 3939 }
3940 }
3941 break;
a315a145
FB		 3942#endif
3943#ifdef TARGET_NR_chown32
31e31b8a 3944 case TARGET_NR_chown32:
53a5960a
PB		 3945 p = lock_user_string(arg1);
3946 ret = get_errno(chown(p, arg2, arg3));
3947 unlock_user(p, arg1, 0);
b03c60f3 3948 break;
a315a145
FB		 3949#endif
3950#ifdef TARGET_NR_setuid32
31e31b8a 3951 case TARGET_NR_setuid32:
b03c60f3
FB		 3952 ret = get_errno(setuid(arg1));
3953 break;
a315a145
FB		 3954#endif
3955#ifdef TARGET_NR_setgid32
31e31b8a 3956 case TARGET_NR_setgid32:
b03c60f3
FB		 3957 ret = get_errno(setgid(arg1));
3958 break;
a315a145
FB		 3959#endif
3960#ifdef TARGET_NR_setfsuid32
31e31b8a 3961 case TARGET_NR_setfsuid32:
b03c60f3
FB		 3962 ret = get_errno(setfsuid(arg1));
3963 break;
a315a145
FB		 3964#endif
3965#ifdef TARGET_NR_setfsgid32
31e31b8a 3966 case TARGET_NR_setfsgid32:
b03c60f3
FB		 3967 ret = get_errno(setfsgid(arg1));
3968 break;
a315a145 3969#endif
67867308 3970
31e31b8a 3971 case TARGET_NR_pivot_root:
b03c60f3 3972 goto unimplemented;
ffa65c3b 3973#ifdef TARGET_NR_mincore
31e31b8a 3974 case TARGET_NR_mincore:
b03c60f3 3975 goto unimplemented;
ffa65c3b
FB		 3976#endif
3977#ifdef TARGET_NR_madvise
31e31b8a 3978 case TARGET_NR_madvise:
24836689
PB		 3979 /* A straight passthrough may not be safe because qemu sometimes
3980 turns private flie-backed mappings into anonymous mappings.
3981 This will break MADV_DONTNEED.
3982 This is a hint, so ignoring and returning success is ok. */
3983 ret = get_errno(0);
3984 break;
ffa65c3b 3985#endif
60cd49d5 3986#if TARGET_LONG_BITS == 32
31e31b8a 3987 case TARGET_NR_fcntl64:
77e4672d 3988 {
b1e341eb 3989 int cmd;
77e4672d 3990 struct flock64 fl;
53a5960a 3991 struct target_flock64 *target_fl;
ce4defa0 3992#ifdef TARGET_ARM
53a5960a 3993 struct target_eabi_flock64 *target_efl;
ce4defa0 3994#endif
77e4672d 3995
b1e341eb
TS		 3996 switch(arg2){
3997 case TARGET_F_GETLK64:
3998 cmd = F_GETLK64;
a7222580 3999 break;
b1e341eb
TS		 4000 case TARGET_F_SETLK64:
4001 cmd = F_SETLK64;
a7222580 4002 break;
b1e341eb
TS		 4003 case TARGET_F_SETLKW64:
4004 cmd = F_SETLK64;
a7222580 4005 break;
b1e341eb
TS		 4006 default:
4007 cmd = arg2;
a7222580 4008 break;
b1e341eb
TS		 4009 }
4010
60cd49d5 4011 switch(arg2) {
b1e341eb 4012 case TARGET_F_GETLK64:
5813427b
TS		 4013#ifdef TARGET_ARM
4014 if (((CPUARMState *)cpu_env)->eabi) {
4015 lock_user_struct(target_efl, arg3, 1);
4016 fl.l_type = tswap16(target_efl->l_type);
4017 fl.l_whence = tswap16(target_efl->l_whence);
4018 fl.l_start = tswap64(target_efl->l_start);
4019 fl.l_len = tswap64(target_efl->l_len);
4020 fl.l_pid = tswapl(target_efl->l_pid);
4021 unlock_user_struct(target_efl, arg3, 0);
4022 } else
4023#endif
4024 {
4025 lock_user_struct(target_fl, arg3, 1);
4026 fl.l_type = tswap16(target_fl->l_type);
4027 fl.l_whence = tswap16(target_fl->l_whence);
4028 fl.l_start = tswap64(target_fl->l_start);
4029 fl.l_len = tswap64(target_fl->l_len);
4030 fl.l_pid = tswapl(target_fl->l_pid);
4031 unlock_user_struct(target_fl, arg3, 0);
4032 }
b1e341eb 4033 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4034 if (ret == 0) {
ce4defa0
PB		 4035#ifdef TARGET_ARM
4036 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4037 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4038 target_efl->l_type = tswap16(fl.l_type);
4039 target_efl->l_whence = tswap16(fl.l_whence);
4040 target_efl->l_start = tswap64(fl.l_start);
4041 target_efl->l_len = tswap64(fl.l_len);
4042 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 4043 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4044 } else
4045#endif
4046 {
53a5960a 4047 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 4048 target_fl->l_type = tswap16(fl.l_type);
4049 target_fl->l_whence = tswap16(fl.l_whence);
4050 target_fl->l_start = tswap64(fl.l_start);
4051 target_fl->l_len = tswap64(fl.l_len);
4052 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 4053 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 4054 }
77e4672d
FB		 4055 }
4056 break;
4057
b1e341eb
TS		 4058 case TARGET_F_SETLK64:
4059 case TARGET_F_SETLKW64:
ce4defa0
PB		 4060#ifdef TARGET_ARM
4061 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4062 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4063 fl.l_type = tswap16(target_efl->l_type);
4064 fl.l_whence = tswap16(target_efl->l_whence);
4065 fl.l_start = tswap64(target_efl->l_start);
4066 fl.l_len = tswap64(target_efl->l_len);
4067 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 4068 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4069 } else
4070#endif
4071 {
53a5960a 4072 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 4073 fl.l_type = tswap16(target_fl->l_type);
4074 fl.l_whence = tswap16(target_fl->l_whence);
4075 fl.l_start = tswap64(target_fl->l_start);
4076 fl.l_len = tswap64(target_fl->l_len);
4077 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 4078 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 4079 }
b1e341eb 4080 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4081 break;
60cd49d5 4082 default:
b1e341eb 4083 ret = get_errno(do_fcntl(arg1, cmd, arg3));
60cd49d5
FB		 4084 break;
4085 }
77e4672d
FB		 4086 break;
4087 }
60cd49d5 4088#endif
7d600c80
TS		 4089#ifdef TARGET_NR_cacheflush
4090 case TARGET_NR_cacheflush:
4091 /* self-modifying code is handled automatically, so nothing needed */
4092 ret = 0;
4093 break;
4094#endif
ebc05488 4095#ifdef TARGET_NR_security
31e31b8a
FB		 4096 case TARGET_NR_security:
4097 goto unimplemented;
c573ff67
FB		 4098#endif
4099#ifdef TARGET_NR_getpagesize
4100 case TARGET_NR_getpagesize:
4101 ret = TARGET_PAGE_SIZE;
4102 break;
ebc05488 4103#endif
31e31b8a
FB		 4104 case TARGET_NR_gettid:
4105 ret = get_errno(gettid());
4106 break;
e5febef5 4107#ifdef TARGET_NR_readahead
31e31b8a 4108 case TARGET_NR_readahead:
5cd4393b 4109 goto unimplemented;
e5febef5 4110#endif
ebc05488 4111#ifdef TARGET_NR_setxattr
31e31b8a
FB		 4112 case TARGET_NR_setxattr:
4113 case TARGET_NR_lsetxattr:
4114 case TARGET_NR_fsetxattr:
4115 case TARGET_NR_getxattr:
4116 case TARGET_NR_lgetxattr:
4117 case TARGET_NR_fgetxattr:
4118 case TARGET_NR_listxattr:
4119 case TARGET_NR_llistxattr:
4120 case TARGET_NR_flistxattr:
4121 case TARGET_NR_removexattr:
4122 case TARGET_NR_lremovexattr:
4123 case TARGET_NR_fremovexattr:
5cd4393b 4124 goto unimplemented_nowarn;
ebc05488
FB		 4125#endif
4126#ifdef TARGET_NR_set_thread_area
5cd4393b 4127 case TARGET_NR_set_thread_area:
6f5b89a0
TS		 4128#ifdef TARGET_MIPS
4129 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4130 ret = 0;
4131 break;
4132#else
4133 goto unimplemented_nowarn;
4134#endif
4135#endif
4136#ifdef TARGET_NR_get_thread_area
5cd4393b
FB		 4137 case TARGET_NR_get_thread_area:
4138 goto unimplemented_nowarn;
48dc41eb
FB		 4139#endif
4140#ifdef TARGET_NR_getdomainname
4141 case TARGET_NR_getdomainname:
4142 goto unimplemented_nowarn;
ebc05488 4143#endif
6f5b89a0 4144
b5906f95
TS		 4145#ifdef TARGET_NR_clock_gettime
4146 case TARGET_NR_clock_gettime:
4147 {
4148 struct timespec ts;
4149 ret = get_errno(clock_gettime(arg1, &ts));
4150 if (!is_error(ret)) {
4151 host_to_target_timespec(arg2, &ts);
4152 }
4153 break;
4154 }
4155#endif
4156#ifdef TARGET_NR_clock_getres
4157 case TARGET_NR_clock_getres:
4158 {
4159 struct timespec ts;
4160 ret = get_errno(clock_getres(arg1, &ts));
4161 if (!is_error(ret)) {
4162 host_to_target_timespec(arg2, &ts);
4163 }
4164 break;
4165 }
4166#endif
4167
6f5b89a0
TS		 4168#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4169 case TARGET_NR_set_tid_address:
4170 ret = get_errno(set_tid_address((int *) arg1));
4171 break;
4172#endif
4173
31e31b8a
FB		 4174 default:
4175 unimplemented:
5cd4393b 4176 gemu_log("qemu: Unsupported syscall: %d\n", num);
6f5b89a0 4177#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname)
5cd4393b 4178 unimplemented_nowarn:
80a9d035 4179#endif
31e31b8a
FB		 4180 ret = -ENOSYS;
4181 break;
4182 }
4183 fail:
c573ff67
FB		 4184#ifdef DEBUG
4185 gemu_log(" = %ld\n", ret);
4186#endif
31e31b8a
FB		 4187 return ret;
4188}
4189
Mirror of https://git.qemu.org/git/qemu.git