]> git.proxmox.com Git - qemu.git/blame - linux-user/syscall.c
added vm86.c
[qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB
1/*
2 * Linux syscalls
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB
24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
31e31b8a
FB
30#include <sys/types.h>
31#include <sys/wait.h>
32#include <sys/time.h>
33#include <sys/stat.h>
34#include <sys/mount.h>
35#include <sys/resource.h>
36#include <sys/mman.h>
37#include <sys/swap.h>
38#include <signal.h>
39#include <sched.h>
40#include <sys/socket.h>
41#include <sys/uio.h>
9de5e440 42#include <sys/poll.h>
32f36bce 43#include <sys/times.h>
72f03900 44//#include <sys/user.h>
7854b056 45#include <netinet/tcp.h>
31e31b8a
FB
46
47#define termios host_termios
48#define winsize host_winsize
49#define termio host_termio
04369ff2
FB
50#define sgttyb host_sgttyb /* same as target */
51#define tchars host_tchars /* same as target */
52#define ltchars host_ltchars /* same as target */
31e31b8a
FB
53
54#include <linux/termios.h>
55#include <linux/unistd.h>
56#include <linux/utsname.h>
57#include <linux/cdrom.h>
58#include <linux/hdreg.h>
59#include <linux/soundcard.h>
dab2ed99 60#include <linux/dirent.h>
19b84f3c 61#include <linux/kd.h>
31e31b8a 62
3ef693a0 63#include "qemu.h"
31e31b8a 64
72f03900 65//#define DEBUG
31e31b8a
FB
66
67#ifndef PAGE_SIZE
68#define PAGE_SIZE 4096
69#define PAGE_MASK ~(PAGE_SIZE - 1)
70#endif
71
1a9353d2
FB
72//#include <linux/msdos_fs.h>
73#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
74#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
75
9de5e440
FB
76void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
77void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
66fb9763
FB
78long do_sigreturn(CPUX86State *env);
79long do_rt_sigreturn(CPUX86State *env);
80
31e31b8a 81#define __NR_sys_uname __NR_uname
72f03900 82#define __NR_sys_getcwd1 __NR_getcwd
31e31b8a
FB
83#define __NR_sys_statfs __NR_statfs
84#define __NR_sys_fstatfs __NR_fstatfs
72f03900 85#define __NR_sys_getdents __NR_getdents
dab2ed99 86#define __NR_sys_getdents64 __NR_getdents64
66fb9763 87#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
31e31b8a 88
27725c1d 89#if defined(__alpha__) || defined (__ia64__)
9af9eaaa
FB
90#define __NR__llseek __NR_lseek
91#endif
92
72f03900 93#ifdef __NR_gettid
31e31b8a 94_syscall0(int, gettid)
72f03900
FB
95#else
96static int gettid(void) {
97 return -ENOSYS;
98}
99#endif
31e31b8a 100_syscall1(int,sys_uname,struct new_utsname *,buf)
72f03900
FB
101_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
102_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
dab2ed99 103_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
31e31b8a
FB
104_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
105 loff_t *, res, uint, wh);
72f03900
FB
106_syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
107_syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
66fb9763 108_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
ec86b0fb
FB
109#ifdef __NR_exit_group
110_syscall1(int,exit_group,int,error_code)
111#endif
66fb9763
FB
112
113extern int personality(int);
9de5e440
FB
114extern int flock(int, int);
115extern int setfsuid(int);
116extern int setfsgid(int);
5cd4393b
FB
117extern int setresuid(uid_t, uid_t, uid_t);
118extern int getresuid(uid_t *, uid_t *, uid_t *);
119extern int setresgid(gid_t, gid_t, gid_t);
120extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 121extern int setgroups(int, gid_t *);
31e31b8a
FB
122
123static inline long get_errno(long ret)
124{
125 if (ret == -1)
126 return -errno;
127 else
128 return ret;
129}
130
131static inline int is_error(long ret)
132{
133 return (unsigned long)ret >= (unsigned long)(-4096);
134}
135
136static char *target_brk;
137static char *target_original_brk;
138
139void target_set_brk(char *new_brk)
140{
141 target_brk = new_brk;
142 target_original_brk = new_brk;
143}
144
145static long do_brk(char *new_brk)
146{
147 char *brk_page;
148 long mapped_addr;
149 int new_alloc_size;
150
151 if (!new_brk)
152 return (long)target_brk;
153 if (new_brk < target_original_brk)
154 return -ENOMEM;
155
156 brk_page = (char *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK);
157
158 /* If the new brk is less than this, set it and we're done... */
159 if (new_brk < brk_page) {
160 target_brk = new_brk;
161 return (long)target_brk;
162 }
163
164 /* We need to allocate more memory after the brk... */
165 new_alloc_size = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK;
166 mapped_addr = get_errno((long)mmap((caddr_t)brk_page, new_alloc_size,
167 PROT_READ|PROT_WRITE,
168 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
169
170 if (is_error(mapped_addr)) {
171 return mapped_addr;
172 } else {
173 target_brk = new_brk;
174 return (long)target_brk;
175 }
176}
177
178static inline fd_set *target_to_host_fds(fd_set *fds,
179 target_long *target_fds, int n)
180{
7854b056 181#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB
182 return (fd_set *)target_fds;
183#else
184 int i, b;
185 if (target_fds) {
186 FD_ZERO(fds);
187 for(i = 0;i < n; i++) {
188 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
189 (i & (TARGET_LONG_BITS - 1))) & 1;
190 if (b)
191 FD_SET(i, fds);
192 }
193 return fds;
194 } else {
195 return NULL;
196 }
197#endif
198}
199
200static inline void host_to_target_fds(target_long *target_fds,
201 fd_set *fds, int n)
202{
7854b056 203#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB
204 /* nothing to do */
205#else
206 int i, nw, j, k;
207 target_long v;
208
209 if (target_fds) {
210 nw = n / TARGET_LONG_BITS;
211 k = 0;
212 for(i = 0;i < nw; i++) {
213 v = 0;
214 for(j = 0; j < TARGET_LONG_BITS; j++) {
215 v |= ((FD_ISSET(k, fds) != 0) << j);
216 k++;
217 }
218 target_fds[i] = tswapl(v);
219 }
220 }
221#endif
222}
223
66fb9763 224static inline void target_to_host_timeval(struct timeval *tv,
5cd4393b 225 const struct target_timeval *target_tv)
31e31b8a 226{
66fb9763
FB
227 tv->tv_sec = tswapl(target_tv->tv_sec);
228 tv->tv_usec = tswapl(target_tv->tv_usec);
31e31b8a
FB
229}
230
66fb9763 231static inline void host_to_target_timeval(struct target_timeval *target_tv,
5cd4393b 232 const struct timeval *tv)
31e31b8a 233{
66fb9763
FB
234 target_tv->tv_sec = tswapl(tv->tv_sec);
235 target_tv->tv_usec = tswapl(tv->tv_usec);
31e31b8a
FB
236}
237
238
239static long do_select(long n,
240 target_long *target_rfds, target_long *target_wfds,
241 target_long *target_efds, struct target_timeval *target_tv)
242{
243 fd_set rfds, wfds, efds;
244 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
245 struct timeval tv, *tv_ptr;
246 long ret;
247
248 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
249 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
250 efds_ptr = target_to_host_fds(&efds, target_efds, n);
251
252 if (target_tv) {
5cd4393b 253 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB
254 tv_ptr = &tv;
255 } else {
256 tv_ptr = NULL;
257 }
258 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
259 if (!is_error(ret)) {
260 host_to_target_fds(target_rfds, rfds_ptr, n);
261 host_to_target_fds(target_wfds, wfds_ptr, n);
262 host_to_target_fds(target_efds, efds_ptr, n);
263
264 if (target_tv) {
5cd4393b 265 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB
266 }
267 }
268 return ret;
269}
270
7854b056
FB
271static inline void target_to_host_sockaddr(struct sockaddr *addr,
272 struct target_sockaddr *target_addr,
273 socklen_t len)
274{
275 memcpy(addr, target_addr, len);
276 addr->sa_family = tswap16(target_addr->sa_family);
277}
278
279static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
280 struct sockaddr *addr,
281 socklen_t len)
282{
283 memcpy(target_addr, addr, len);
284 target_addr->sa_family = tswap16(addr->sa_family);
285}
286
287static inline void target_to_host_cmsg(struct msghdr *msgh,
288 struct target_msghdr *target_msgh)
289{
290 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
291 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
292 socklen_t space = 0;
293
294 while (cmsg && target_cmsg) {
295 void *data = CMSG_DATA(cmsg);
296 void *target_data = TARGET_CMSG_DATA(target_cmsg);
297
298 int len = tswapl(target_cmsg->cmsg_len)
299 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
300
301 space += CMSG_SPACE(len);
302 if (space > msgh->msg_controllen) {
303 space -= CMSG_SPACE(len);
304 gemu_log("Host cmsg overflow");
305 break;
306 }
307
308 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
309 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
310 cmsg->cmsg_len = CMSG_LEN(len);
311
312 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
313 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
314 memcpy(data, target_data, len);
315 } else {
316 int *fd = (int *)data;
317 int *target_fd = (int *)target_data;
318 int i, numfds = len / sizeof(int);
319
320 for (i = 0; i < numfds; i++)
321 fd[i] = tswap32(target_fd[i]);
322 }
323
324 cmsg = CMSG_NXTHDR(msgh, cmsg);
325 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
326 }
327
328 msgh->msg_controllen = space;
329}
330
331static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
332 struct msghdr *msgh)
333{
334 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
335 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
336 socklen_t space = 0;
337
338 while (cmsg && target_cmsg) {
339 void *data = CMSG_DATA(cmsg);
340 void *target_data = TARGET_CMSG_DATA(target_cmsg);
341
342 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
343
344 space += TARGET_CMSG_SPACE(len);
345 if (space > tswapl(target_msgh->msg_controllen)) {
346 space -= TARGET_CMSG_SPACE(len);
347 gemu_log("Target cmsg overflow");
348 break;
349 }
350
351 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
352 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
353 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
354
355 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
356 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
357 memcpy(target_data, data, len);
358 } else {
359 int *fd = (int *)data;
360 int *target_fd = (int *)target_data;
361 int i, numfds = len / sizeof(int);
362
363 for (i = 0; i < numfds; i++)
364 target_fd[i] = tswap32(fd[i]);
365 }
366
367 cmsg = CMSG_NXTHDR(msgh, cmsg);
368 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
369 }
370
371 msgh->msg_controllen = tswapl(space);
372}
373
374static long do_setsockopt(int sockfd, int level, int optname,
375 void *optval, socklen_t optlen)
376{
377 if (level == SOL_TCP) {
378 /* TCP options all take an 'int' value. */
379 int val;
380
381 if (optlen < sizeof(uint32_t))
382 return -EINVAL;
383
384 val = tswap32(*(uint32_t *)optval);
385 return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
386 }
387
388 else if (level != SOL_SOCKET) {
389 gemu_log("Unsupported setsockopt level: %d\n", level);
390 return -ENOSYS;
391 }
392
393 switch (optname) {
394 /* Options with 'int' argument. */
395 case SO_DEBUG:
396 case SO_REUSEADDR:
397 case SO_TYPE:
398 case SO_ERROR:
399 case SO_DONTROUTE:
400 case SO_BROADCAST:
401 case SO_SNDBUF:
402 case SO_RCVBUF:
403 case SO_KEEPALIVE:
404 case SO_OOBINLINE:
405 case SO_NO_CHECK:
406 case SO_PRIORITY:
407 case SO_BSDCOMPAT:
408 case SO_PASSCRED:
409 case SO_TIMESTAMP:
410 case SO_RCVLOWAT:
411 case SO_RCVTIMEO:
412 case SO_SNDTIMEO:
413 {
414 int val;
415 if (optlen < sizeof(uint32_t))
416 return -EINVAL;
417 val = tswap32(*(uint32_t *)optval);
418 return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
419 }
420
421 default:
422 gemu_log("Unsupported setsockopt SOL_SOCKET option: %d\n", optname);
423 return -ENOSYS;
424 }
425}
426
427static long do_getsockopt(int sockfd, int level, int optname,
428 void *optval, socklen_t *optlen)
429{
430 gemu_log("getsockopt not yet supported\n");
431 return -ENOSYS;
432}
433
434static long do_socketcall(int num, int32_t *vptr)
31e31b8a
FB
435{
436 long ret;
437
438 switch(num) {
439 case SOCKOP_socket:
7854b056
FB
440 {
441 int domain = tswap32(vptr[0]);
442 int type = tswap32(vptr[1]);
443 int protocol = tswap32(vptr[2]);
444
445 ret = get_errno(socket(domain, type, protocol));
446 }
31e31b8a
FB
447 break;
448 case SOCKOP_bind:
7854b056
FB
449 {
450 int sockfd = tswap32(vptr[0]);
451 void *target_addr = (void *)tswap32(vptr[1]);
452 socklen_t addrlen = tswap32(vptr[2]);
453 void *addr = alloca(addrlen);
454
455 target_to_host_sockaddr(addr, target_addr, addrlen);
456 ret = get_errno(bind(sockfd, addr, addrlen));
457 }
31e31b8a
FB
458 break;
459 case SOCKOP_connect:
7854b056
FB
460 {
461 int sockfd = tswap32(vptr[0]);
462 void *target_addr = (void *)tswap32(vptr[1]);
463 socklen_t addrlen = tswap32(vptr[2]);
464 void *addr = alloca(addrlen);
465
466 target_to_host_sockaddr(addr, target_addr, addrlen);
467 ret = get_errno(connect(sockfd, addr, addrlen));
468 }
31e31b8a
FB
469 break;
470 case SOCKOP_listen:
7854b056
FB
471 {
472 int sockfd = tswap32(vptr[0]);
473 int backlog = tswap32(vptr[1]);
474
475 ret = get_errno(listen(sockfd, backlog));
476 }
31e31b8a
FB
477 break;
478 case SOCKOP_accept:
479 {
7854b056
FB
480 int sockfd = tswap32(vptr[0]);
481 void *target_addr = (void *)tswap32(vptr[1]);
482 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
483 socklen_t addrlen = tswap32(*target_addrlen);
484 void *addr = alloca(addrlen);
485
486 ret = get_errno(accept(sockfd, addr, &addrlen));
487 if (!is_error(ret)) {
488 host_to_target_sockaddr(target_addr, addr, addrlen);
489 *target_addrlen = tswap32(addrlen);
490 }
31e31b8a
FB
491 }
492 break;
493 case SOCKOP_getsockname:
494 {
7854b056
FB
495 int sockfd = tswap32(vptr[0]);
496 void *target_addr = (void *)tswap32(vptr[1]);
497 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
498 socklen_t addrlen = tswap32(*target_addrlen);
499 void *addr = alloca(addrlen);
500
501 ret = get_errno(getsockname(sockfd, addr, &addrlen));
502 if (!is_error(ret)) {
503 host_to_target_sockaddr(target_addr, addr, addrlen);
504 *target_addrlen = tswap32(addrlen);
505 }
31e31b8a
FB
506 }
507 break;
508 case SOCKOP_getpeername:
509 {
7854b056
FB
510 int sockfd = tswap32(vptr[0]);
511 void *target_addr = (void *)tswap32(vptr[1]);
512 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
513 socklen_t addrlen = tswap32(*target_addrlen);
514 void *addr = alloca(addrlen);
515
516 ret = get_errno(getpeername(sockfd, addr, &addrlen));
517 if (!is_error(ret)) {
518 host_to_target_sockaddr(target_addr, addr, addrlen);
519 *target_addrlen = tswap32(addrlen);
520 }
31e31b8a
FB
521 }
522 break;
523 case SOCKOP_socketpair:
524 {
7854b056
FB
525 int domain = tswap32(vptr[0]);
526 int type = tswap32(vptr[1]);
527 int protocol = tswap32(vptr[2]);
528 int32_t *target_tab = (void *)tswap32(vptr[3]);
31e31b8a 529 int tab[2];
7854b056
FB
530
531 ret = get_errno(socketpair(domain, type, protocol, tab));
31e31b8a
FB
532 if (!is_error(ret)) {
533 target_tab[0] = tswap32(tab[0]);
534 target_tab[1] = tswap32(tab[1]);
535 }
536 }
537 break;
538 case SOCKOP_send:
7854b056
FB
539 {
540 int sockfd = tswap32(vptr[0]);
541 void *msg = (void *)tswap32(vptr[1]);
542 size_t len = tswap32(vptr[2]);
543 int flags = tswap32(vptr[3]);
544
545 ret = get_errno(send(sockfd, msg, len, flags));
546 }
31e31b8a
FB
547 break;
548 case SOCKOP_recv:
7854b056
FB
549 {
550 int sockfd = tswap32(vptr[0]);
551 void *msg = (void *)tswap32(vptr[1]);
552 size_t len = tswap32(vptr[2]);
553 int flags = tswap32(vptr[3]);
554
555 ret = get_errno(recv(sockfd, msg, len, flags));
556 }
31e31b8a
FB
557 break;
558 case SOCKOP_sendto:
7854b056
FB
559 {
560 int sockfd = tswap32(vptr[0]);
561 void *msg = (void *)tswap32(vptr[1]);
562 size_t len = tswap32(vptr[2]);
563 int flags = tswap32(vptr[3]);
564 void *target_addr = (void *)tswap32(vptr[4]);
565 socklen_t addrlen = tswap32(vptr[5]);
566 void *addr = alloca(addrlen);
567
568 target_to_host_sockaddr(addr, target_addr, addrlen);
569 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
570 }
31e31b8a
FB
571 break;
572 case SOCKOP_recvfrom:
573 {
7854b056
FB
574 int sockfd = tswap32(vptr[0]);
575 void *msg = (void *)tswap32(vptr[1]);
576 size_t len = tswap32(vptr[2]);
577 int flags = tswap32(vptr[3]);
578 void *target_addr = (void *)tswap32(vptr[4]);
579 uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
580 socklen_t addrlen = tswap32(*target_addrlen);
581 void *addr = alloca(addrlen);
582
583 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
584 if (!is_error(ret)) {
585 host_to_target_sockaddr(target_addr, addr, addrlen);
586 *target_addrlen = tswap32(addrlen);
587 }
31e31b8a
FB
588 }
589 break;
590 case SOCKOP_shutdown:
7854b056
FB
591 {
592 int sockfd = tswap32(vptr[0]);
593 int how = tswap32(vptr[1]);
594
595 ret = get_errno(shutdown(sockfd, how));
596 }
31e31b8a
FB
597 break;
598 case SOCKOP_sendmsg:
599 case SOCKOP_recvmsg:
1a9353d2
FB
600 {
601 int fd;
602 struct target_msghdr *msgp;
603 struct msghdr msg;
604 int flags, count, i;
605 struct iovec *vec;
606 struct target_iovec *target_vec;
607
7854b056 608 msgp = (void *)tswap32(vptr[1]);
1a9353d2
FB
609 msg.msg_name = (void *)tswapl(msgp->msg_name);
610 msg.msg_namelen = tswapl(msgp->msg_namelen);
7854b056
FB
611 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
612 msg.msg_control = alloca(msg.msg_controllen);
1a9353d2
FB
613 msg.msg_flags = tswap32(msgp->msg_flags);
614
615 count = tswapl(msgp->msg_iovlen);
616 vec = alloca(count * sizeof(struct iovec));
617 target_vec = (void *)tswapl(msgp->msg_iov);
618 for(i = 0;i < count; i++) {
619 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
620 vec[i].iov_len = tswapl(target_vec[i].iov_len);
621 }
622 msg.msg_iovlen = count;
623 msg.msg_iov = vec;
624
7854b056
FB
625 fd = tswap32(vptr[0]);
626 flags = tswap32(vptr[2]);
627 if (num == SOCKOP_sendmsg) {
628 target_to_host_cmsg(&msg, msgp);
629 ret = get_errno(sendmsg(fd, &msg, flags));
630 } else {
631 ret = get_errno(recvmsg(fd, &msg, flags));
632 if (!is_error(ret))
633 host_to_target_cmsg(msgp, &msg);
634 }
1a9353d2
FB
635 }
636 break;
31e31b8a 637 case SOCKOP_setsockopt:
7854b056
FB
638 {
639 int sockfd = tswap32(vptr[0]);
640 int level = tswap32(vptr[1]);
641 int optname = tswap32(vptr[2]);
642 void *optval = (void *)tswap32(vptr[3]);
643 socklen_t optlen = tswap32(vptr[4]);
644
645 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
646 }
647 break;
31e31b8a 648 case SOCKOP_getsockopt:
7854b056
FB
649 {
650 int sockfd = tswap32(vptr[0]);
651 int level = tswap32(vptr[1]);
652 int optname = tswap32(vptr[2]);
653 void *optval = (void *)tswap32(vptr[3]);
654 uint32_t *target_len = (void *)tswap32(vptr[4]);
655 socklen_t optlen = tswap32(*target_len);
656
657 ret = do_getsockopt(sockfd, level, optname, optval, &optlen);
658 if (!is_error(ret))
659 *target_len = tswap32(optlen);
660 }
661 break;
31e31b8a
FB
662 default:
663 gemu_log("Unsupported socketcall: %d\n", num);
664 ret = -ENOSYS;
665 break;
666 }
667 return ret;
668}
669
670/* kernel structure types definitions */
671#define IFNAMSIZ 16
672
673#define STRUCT(name, list...) STRUCT_ ## name,
674#define STRUCT_SPECIAL(name) STRUCT_ ## name,
675enum {
676#include "syscall_types.h"
677};
678#undef STRUCT
679#undef STRUCT_SPECIAL
680
681#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
682#define STRUCT_SPECIAL(name)
683#include "syscall_types.h"
684#undef STRUCT
685#undef STRUCT_SPECIAL
686
687typedef struct IOCTLEntry {
688 int target_cmd;
689 int host_cmd;
690 const char *name;
691 int access;
1a9353d2 692 const argtype arg_type[5];
31e31b8a
FB
693} IOCTLEntry;
694
695#define IOC_R 0x0001
696#define IOC_W 0x0002
697#define IOC_RW (IOC_R | IOC_W)
698
699#define MAX_STRUCT_SIZE 4096
700
701const IOCTLEntry ioctl_entries[] = {
702#define IOCTL(cmd, access, types...) \
703 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
704#include "ioctls.h"
705 { 0, 0, },
706};
707
708static long do_ioctl(long fd, long cmd, long arg)
709{
710 const IOCTLEntry *ie;
711 const argtype *arg_type;
712 long ret;
713 uint8_t buf_temp[MAX_STRUCT_SIZE];
714
715 ie = ioctl_entries;
716 for(;;) {
717 if (ie->target_cmd == 0) {
718 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
719 return -ENOSYS;
720 }
721 if (ie->target_cmd == cmd)
722 break;
723 ie++;
724 }
725 arg_type = ie->arg_type;
9de5e440 726#if defined(DEBUG)
72f03900
FB
727 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
728#endif
31e31b8a
FB
729 switch(arg_type[0]) {
730 case TYPE_NULL:
731 /* no argument */
732 ret = get_errno(ioctl(fd, ie->host_cmd));
733 break;
734 case TYPE_PTRVOID:
735 case TYPE_INT:
736 /* int argment */
737 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
738 break;
739 case TYPE_PTR:
740 arg_type++;
741 switch(ie->access) {
742 case IOC_R:
743 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
744 if (!is_error(ret)) {
745 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
746 }
747 break;
748 case IOC_W:
749 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
750 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
751 break;
752 default:
753 case IOC_RW:
754 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
755 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
756 if (!is_error(ret)) {
757 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
758 }
759 break;
760 }
761 break;
762 default:
763 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
764 ret = -ENOSYS;
765 break;
766 }
767 return ret;
768}
769
770bitmask_transtbl iflag_tbl[] = {
771 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
772 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
773 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
774 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
775 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
776 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
777 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
778 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
779 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
780 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
781 { TARGET_IXON, TARGET_IXON, IXON, IXON },
782 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
783 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
784 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
785 { 0, 0, 0, 0 }
786};
787
788bitmask_transtbl oflag_tbl[] = {
789 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
790 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
791 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
792 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
793 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
794 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
795 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
796 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
797 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
798 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
799 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
800 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
801 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
802 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
803 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
804 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
805 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
806 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
807 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
808 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
809 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
810 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
811 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
812 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
813 { 0, 0, 0, 0 }
814};
815
816bitmask_transtbl cflag_tbl[] = {
817 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
818 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
819 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
820 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
821 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
822 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
823 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
824 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
825 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
826 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
827 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
828 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
829 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
830 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
831 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
832 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
833 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
834 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
835 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
836 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
837 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
838 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
839 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
840 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
841 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
842 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
843 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
844 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
845 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
846 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
847 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
848 { 0, 0, 0, 0 }
849};
850
851bitmask_transtbl lflag_tbl[] = {
852 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
853 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
854 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
855 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
856 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
857 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
858 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
859 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
860 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
861 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
862 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
863 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
864 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
865 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
866 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
867 { 0, 0, 0, 0 }
868};
869
870static void target_to_host_termios (void *dst, const void *src)
871{
872 struct host_termios *host = dst;
873 const struct target_termios *target = src;
874
875 host->c_iflag =
876 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
877 host->c_oflag =
878 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
879 host->c_cflag =
880 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
881 host->c_lflag =
882 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
883 host->c_line = target->c_line;
884
885 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
886 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
887 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
888 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
889 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
890 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
891 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
892 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
893 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
894 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
895 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
896 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
897 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
898 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
899 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
900 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
901 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
902}
903
904static void host_to_target_termios (void *dst, const void *src)
905{
906 struct target_termios *target = dst;
907 const struct host_termios *host = src;
908
909 target->c_iflag =
910 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
911 target->c_oflag =
912 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
913 target->c_cflag =
914 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
915 target->c_lflag =
916 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
917 target->c_line = host->c_line;
918
919 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
920 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
921 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
922 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
923 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
924 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
925 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
926 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
927 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
928 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
929 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
930 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
931 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
932 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
933 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
934 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
935 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
936}
937
938StructEntry struct_termios_def = {
939 .convert = { host_to_target_termios, target_to_host_termios },
940 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
941 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
942};
943
6dbad63e
FB
944#ifdef TARGET_I386
945
946/* NOTE: there is really one LDT for all the threads */
947uint8_t *ldt_table;
948
949static int read_ldt(void *ptr, unsigned long bytecount)
950{
951 int size;
952
953 if (!ldt_table)
954 return 0;
955 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
956 if (size > bytecount)
957 size = bytecount;
958 memcpy(ptr, ldt_table, size);
959 return size;
960}
961
962/* XXX: add locking support */
963static int write_ldt(CPUX86State *env,
964 void *ptr, unsigned long bytecount, int oldmode)
965{
966 struct target_modify_ldt_ldt_s ldt_info;
967 int seg_32bit, contents, read_exec_only, limit_in_pages;
968 int seg_not_present, useable;
969 uint32_t *lp, entry_1, entry_2;
970
971 if (bytecount != sizeof(ldt_info))
972 return -EINVAL;
973 memcpy(&ldt_info, ptr, sizeof(ldt_info));
974 tswap32s(&ldt_info.entry_number);
975 tswapls((long *)&ldt_info.base_addr);
976 tswap32s(&ldt_info.limit);
977 tswap32s(&ldt_info.flags);
978
979 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
980 return -EINVAL;
981 seg_32bit = ldt_info.flags & 1;
982 contents = (ldt_info.flags >> 1) & 3;
983 read_exec_only = (ldt_info.flags >> 3) & 1;
984 limit_in_pages = (ldt_info.flags >> 4) & 1;
985 seg_not_present = (ldt_info.flags >> 5) & 1;
986 useable = (ldt_info.flags >> 6) & 1;
987
988 if (contents == 3) {
989 if (oldmode)
990 return -EINVAL;
991 if (seg_not_present == 0)
992 return -EINVAL;
993 }
994 /* allocate the LDT */
995 if (!ldt_table) {
996 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
997 if (!ldt_table)
998 return -ENOMEM;
999 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1000 env->ldt.base = ldt_table;
1001 env->ldt.limit = 0xffff;
1002 }
1003
1004 /* NOTE: same code as Linux kernel */
1005 /* Allow LDTs to be cleared by the user. */
1006 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1007 if (oldmode ||
1008 (contents == 0 &&
1009 read_exec_only == 1 &&
1010 seg_32bit == 0 &&
1011 limit_in_pages == 0 &&
1012 seg_not_present == 1 &&
1013 useable == 0 )) {
1014 entry_1 = 0;
1015 entry_2 = 0;
1016 goto install;
1017 }
1018 }
1019
1020 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1021 (ldt_info.limit & 0x0ffff);
1022 entry_2 = (ldt_info.base_addr & 0xff000000) |
1023 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1024 (ldt_info.limit & 0xf0000) |
1025 ((read_exec_only ^ 1) << 9) |
1026 (contents << 10) |
1027 ((seg_not_present ^ 1) << 15) |
1028 (seg_32bit << 22) |
1029 (limit_in_pages << 23) |
1030 0x7000;
1031 if (!oldmode)
1032 entry_2 |= (useable << 20);
1033
1034 /* Install the new entry ... */
1035install:
1036 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1037 lp[0] = tswap32(entry_1);
1038 lp[1] = tswap32(entry_2);
1039 return 0;
1040}
1041
1042/* specific and weird i386 syscalls */
5cd4393b 1043int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
6dbad63e
FB
1044{
1045 int ret = -ENOSYS;
1046
1047 switch (func) {
1048 case 0:
1049 ret = read_ldt(ptr, bytecount);
1050 break;
1051 case 1:
1052 ret = write_ldt(env, ptr, bytecount, 1);
1053 break;
1054 case 0x11:
1055 ret = write_ldt(env, ptr, bytecount, 0);
1056 break;
1057 }
1058 return ret;
1059}
1b6b029e
FB
1060
1061/* this stack is the equivalent of the kernel stack associated with a
1062 thread/process */
1063#define NEW_STACK_SIZE 8192
1064
1065static int clone_func(void *arg)
1066{
1067 CPUX86State *env = arg;
1068 cpu_loop(env);
1069 /* never exits */
1070 return 0;
1071}
1072
1073int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp)
1074{
1075 int ret;
5cd4393b 1076 TaskState *ts;
1b6b029e
FB
1077 uint8_t *new_stack;
1078 CPUX86State *new_env;
1079
1080 if (flags & CLONE_VM) {
1081 if (!newsp)
1082 newsp = env->regs[R_ESP];
5cd4393b
FB
1083 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1084 memset(ts, 0, sizeof(TaskState));
1085 new_stack = ts->stack;
1086 ts->used = 1;
1087 /* add in task state list */
1088 ts->next = first_task_state;
1089 first_task_state = ts;
1b6b029e
FB
1090 /* we create a new CPU instance. */
1091 new_env = cpu_x86_init();
1092 memcpy(new_env, env, sizeof(CPUX86State));
1093 new_env->regs[R_ESP] = newsp;
1094 new_env->regs[R_EAX] = 0;
5cd4393b 1095 new_env->opaque = ts;
27725c1d
FB
1096#ifdef __ia64__
1097 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1098#else
1099 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1100#endif
1b6b029e
FB
1101 } else {
1102 /* if no CLONE_VM, we consider it is a fork */
1103 if ((flags & ~CSIGNAL) != 0)
1104 return -EINVAL;
1105 ret = fork();
1106 }
1107 return ret;
1108}
1109
6dbad63e
FB
1110#endif
1111
b03c60f3
FB
1112#define high2lowuid(x) (x)
1113#define high2lowgid(x) (x)
1114#define low2highuid(x) (x)
1115#define low2highgid(x) (x)
1b6b029e 1116
31e31b8a
FB
1117void syscall_init(void)
1118{
1119#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1120#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1121#include "syscall_types.h"
1122#undef STRUCT
1123#undef STRUCT_SPECIAL
1124}
1125
6dbad63e 1126long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB
1127 long arg4, long arg5, long arg6)
1128{
1129 long ret;
1130 struct stat st;
72f03900 1131 struct kernel_statfs *stfs;
31e31b8a 1132
72f03900
FB
1133#ifdef DEBUG
1134 gemu_log("syscall %d\n", num);
1135#endif
31e31b8a
FB
1136 switch(num) {
1137 case TARGET_NR_exit:
7d13299d
FB
1138#ifdef HAVE_GPROF
1139 _mcleanup();
1140#endif
1b6b029e 1141 /* XXX: should free thread stack and CPU env */
31e31b8a
FB
1142 _exit(arg1);
1143 ret = 0; /* avoid warning */
1144 break;
1145 case TARGET_NR_read:
1146 ret = get_errno(read(arg1, (void *)arg2, arg3));
1147 break;
1148 case TARGET_NR_write:
1149 ret = get_errno(write(arg1, (void *)arg2, arg3));
1150 break;
1151 case TARGET_NR_open:
ec86b0fb 1152 ret = get_errno(open(path((const char *)arg1), arg2, arg3));
31e31b8a
FB
1153 break;
1154 case TARGET_NR_close:
1155 ret = get_errno(close(arg1));
1156 break;
1157 case TARGET_NR_brk:
1158 ret = do_brk((char *)arg1);
1159 break;
1160 case TARGET_NR_fork:
1b6b029e 1161 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a
FB
1162 break;
1163 case TARGET_NR_waitpid:
1164 {
1165 int *status = (int *)arg2;
1166 ret = get_errno(waitpid(arg1, status, arg3));
1167 if (!is_error(ret) && status)
1168 tswapls((long *)&status);
1169 }
1170 break;
1171 case TARGET_NR_creat:
1172 ret = get_errno(creat((const char *)arg1, arg2));
1173 break;
1174 case TARGET_NR_link:
1175 ret = get_errno(link((const char *)arg1, (const char *)arg2));
1176 break;
1177 case TARGET_NR_unlink:
1178 ret = get_errno(unlink((const char *)arg1));
1179 break;
1180 case TARGET_NR_execve:
7854b056
FB
1181 {
1182 char **argp, **envp;
f7341ff4 1183 int argc, envc;
7854b056
FB
1184 uint32_t *p;
1185 char **q;
1186
f7341ff4 1187 argc = 0;
7854b056
FB
1188 for (p = (void *)arg2; *p; p++)
1189 argc++;
f7341ff4 1190 envc = 0;
7854b056
FB
1191 for (p = (void *)arg3; *p; p++)
1192 envc++;
1193
f7341ff4
FB
1194 argp = alloca((argc + 1) * sizeof(void *));
1195 envp = alloca((envc + 1) * sizeof(void *));
7854b056
FB
1196
1197 for (p = (void *)arg2, q = argp; *p; p++, q++)
1198 *q = (void *)tswap32(*p);
f7341ff4
FB
1199 *q = NULL;
1200
7854b056
FB
1201 for (p = (void *)arg3, q = envp; *p; p++, q++)
1202 *q = (void *)tswap32(*p);
f7341ff4 1203 *q = NULL;
7854b056
FB
1204
1205 ret = get_errno(execve((const char *)arg1, argp, envp));
1206 }
31e31b8a
FB
1207 break;
1208 case TARGET_NR_chdir:
1209 ret = get_errno(chdir((const char *)arg1));
1210 break;
1211 case TARGET_NR_time:
1212 {
1213 int *time_ptr = (int *)arg1;
1214 ret = get_errno(time((time_t *)time_ptr));
1215 if (!is_error(ret) && time_ptr)
1216 tswap32s(time_ptr);
1217 }
1218 break;
1219 case TARGET_NR_mknod:
1220 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1221 break;
1222 case TARGET_NR_chmod:
1223 ret = get_errno(chmod((const char *)arg1, arg2));
1224 break;
1225 case TARGET_NR_lchown:
1226 ret = get_errno(chown((const char *)arg1, arg2, arg3));
1227 break;
1228 case TARGET_NR_break:
1229 goto unimplemented;
1230 case TARGET_NR_oldstat:
1231 goto unimplemented;
1232 case TARGET_NR_lseek:
1233 ret = get_errno(lseek(arg1, arg2, arg3));
1234 break;
1235 case TARGET_NR_getpid:
1236 ret = get_errno(getpid());
1237 break;
1238 case TARGET_NR_mount:
1239 /* need to look at the data field */
1240 goto unimplemented;
1241 case TARGET_NR_umount:
1242 ret = get_errno(umount((const char *)arg1));
1243 break;
1244 case TARGET_NR_setuid:
b03c60f3 1245 ret = get_errno(setuid(low2highuid(arg1)));
31e31b8a
FB
1246 break;
1247 case TARGET_NR_getuid:
1248 ret = get_errno(getuid());
1249 break;
1250 case TARGET_NR_stime:
1251 {
1252 int *time_ptr = (int *)arg1;
1253 if (time_ptr)
1254 tswap32s(time_ptr);
1255 ret = get_errno(stime((time_t *)time_ptr));
1256 }
1257 break;
1258 case TARGET_NR_ptrace:
1259 goto unimplemented;
1260 case TARGET_NR_alarm:
1261 ret = alarm(arg1);
1262 break;
1263 case TARGET_NR_oldfstat:
1264 goto unimplemented;
1265 case TARGET_NR_pause:
1266 ret = get_errno(pause());
1267 break;
1268 case TARGET_NR_utime:
1269 goto unimplemented;
1270 case TARGET_NR_stty:
1271 goto unimplemented;
1272 case TARGET_NR_gtty:
1273 goto unimplemented;
1274 case TARGET_NR_access:
1275 ret = get_errno(access((const char *)arg1, arg2));
1276 break;
1277 case TARGET_NR_nice:
1278 ret = get_errno(nice(arg1));
1279 break;
1280 case TARGET_NR_ftime:
1281 goto unimplemented;
1282 case TARGET_NR_sync:
04369ff2
FB
1283 sync();
1284 ret = 0;
31e31b8a
FB
1285 break;
1286 case TARGET_NR_kill:
1287 ret = get_errno(kill(arg1, arg2));
1288 break;
1289 case TARGET_NR_rename:
1290 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1291 break;
1292 case TARGET_NR_mkdir:
1293 ret = get_errno(mkdir((const char *)arg1, arg2));
1294 break;
1295 case TARGET_NR_rmdir:
1296 ret = get_errno(rmdir((const char *)arg1));
1297 break;
1298 case TARGET_NR_dup:
1299 ret = get_errno(dup(arg1));
1300 break;
1301 case TARGET_NR_pipe:
1302 {
1303 int *pipe_ptr = (int *)arg1;
1304 ret = get_errno(pipe(pipe_ptr));
1305 if (!is_error(ret)) {
1306 tswap32s(&pipe_ptr[0]);
1307 tswap32s(&pipe_ptr[1]);
1308 }
1309 }
1310 break;
1311 case TARGET_NR_times:
32f36bce
FB
1312 {
1313 struct target_tms *tmsp = (void *)arg1;
1314 struct tms tms;
1315 ret = get_errno(times(&tms));
1316 if (tmsp) {
1317 tmsp->tms_utime = tswapl(tms.tms_utime);
1318 tmsp->tms_stime = tswapl(tms.tms_stime);
1319 tmsp->tms_cutime = tswapl(tms.tms_cutime);
1320 tmsp->tms_cstime = tswapl(tms.tms_cstime);
1321 }
1322 }
1323 break;
31e31b8a
FB
1324 case TARGET_NR_prof:
1325 goto unimplemented;
1326 case TARGET_NR_setgid:
b03c60f3 1327 ret = get_errno(setgid(low2highgid(arg1)));
31e31b8a
FB
1328 break;
1329 case TARGET_NR_getgid:
1330 ret = get_errno(getgid());
1331 break;
1332 case TARGET_NR_signal:
1333 goto unimplemented;
1334 case TARGET_NR_geteuid:
1335 ret = get_errno(geteuid());
1336 break;
1337 case TARGET_NR_getegid:
1338 ret = get_errno(getegid());
1339 break;
1340 case TARGET_NR_acct:
1341 goto unimplemented;
1342 case TARGET_NR_umount2:
1343 ret = get_errno(umount2((const char *)arg1, arg2));
1344 break;
1345 case TARGET_NR_lock:
1346 goto unimplemented;
1347 case TARGET_NR_ioctl:
1348 ret = do_ioctl(arg1, arg2, arg3);
1349 break;
1350 case TARGET_NR_fcntl:
77e4672d
FB
1351 {
1352 struct flock fl;
1353 struct target_flock *target_fl = (void *)arg3;
1354
31e31b8a 1355 switch(arg2) {
27725c1d 1356 case TARGET_F_GETLK:
77e4672d
FB
1357 ret = get_errno(fcntl(arg1, arg2, &fl));
1358 if (ret == 0) {
1359 target_fl->l_type = tswap16(fl.l_type);
1360 target_fl->l_whence = tswap16(fl.l_whence);
1361 target_fl->l_start = tswapl(fl.l_start);
1362 target_fl->l_len = tswapl(fl.l_len);
1363 target_fl->l_pid = tswapl(fl.l_pid);
1364 }
1365 break;
1366
27725c1d
FB
1367 case TARGET_F_SETLK:
1368 case TARGET_F_SETLKW:
77e4672d
FB
1369 fl.l_type = tswap16(target_fl->l_type);
1370 fl.l_whence = tswap16(target_fl->l_whence);
1371 fl.l_start = tswapl(target_fl->l_start);
1372 fl.l_len = tswapl(target_fl->l_len);
1373 fl.l_pid = tswapl(target_fl->l_pid);
1374 ret = get_errno(fcntl(arg1, arg2, &fl));
1375 break;
1376
27725c1d
FB
1377 case TARGET_F_GETLK64:
1378 case TARGET_F_SETLK64:
1379 case TARGET_F_SETLKW64:
31e31b8a
FB
1380 goto unimplemented;
1381 default:
1382 ret = get_errno(fcntl(arg1, arg2, arg3));
1383 break;
1384 }
1385 break;
77e4672d 1386 }
31e31b8a
FB
1387 case TARGET_NR_mpx:
1388 goto unimplemented;
1389 case TARGET_NR_setpgid:
1390 ret = get_errno(setpgid(arg1, arg2));
1391 break;
1392 case TARGET_NR_ulimit:
1393 goto unimplemented;
1394 case TARGET_NR_oldolduname:
1395 goto unimplemented;
1396 case TARGET_NR_umask:
1397 ret = get_errno(umask(arg1));
1398 break;
1399 case TARGET_NR_chroot:
1400 ret = get_errno(chroot((const char *)arg1));
1401 break;
1402 case TARGET_NR_ustat:
1403 goto unimplemented;
1404 case TARGET_NR_dup2:
1405 ret = get_errno(dup2(arg1, arg2));
1406 break;
1407 case TARGET_NR_getppid:
1408 ret = get_errno(getppid());
1409 break;
1410 case TARGET_NR_getpgrp:
1411 ret = get_errno(getpgrp());
1412 break;
1413 case TARGET_NR_setsid:
1414 ret = get_errno(setsid());
1415 break;
1416 case TARGET_NR_sigaction:
31e31b8a 1417 {
66fb9763
FB
1418 struct target_old_sigaction *old_act = (void *)arg2;
1419 struct target_old_sigaction *old_oact = (void *)arg3;
1420 struct target_sigaction act, oact, *pact;
1421 if (old_act) {
1422 act._sa_handler = old_act->_sa_handler;
1423 target_siginitset(&act.sa_mask, old_act->sa_mask);
1424 act.sa_flags = old_act->sa_flags;
1425 act.sa_restorer = old_act->sa_restorer;
1426 pact = &act;
1427 } else {
1428 pact = NULL;
1429 }
1430 ret = get_errno(do_sigaction(arg1, pact, &oact));
1431 if (!is_error(ret) && old_oact) {
1432 old_oact->_sa_handler = oact._sa_handler;
1433 old_oact->sa_mask = oact.sa_mask.sig[0];
1434 old_oact->sa_flags = oact.sa_flags;
1435 old_oact->sa_restorer = oact.sa_restorer;
1436 }
31e31b8a
FB
1437 }
1438 break;
66fb9763
FB
1439 case TARGET_NR_rt_sigaction:
1440 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1441 break;
31e31b8a 1442 case TARGET_NR_sgetmask:
66fb9763
FB
1443 {
1444 sigset_t cur_set;
1445 target_ulong target_set;
1446 sigprocmask(0, NULL, &cur_set);
1447 host_to_target_old_sigset(&target_set, &cur_set);
1448 ret = target_set;
1449 }
1450 break;
31e31b8a 1451 case TARGET_NR_ssetmask:
66fb9763
FB
1452 {
1453 sigset_t set, oset, cur_set;
1454 target_ulong target_set = arg1;
1455 sigprocmask(0, NULL, &cur_set);
1456 target_to_host_old_sigset(&set, &target_set);
1457 sigorset(&set, &set, &cur_set);
1458 sigprocmask(SIG_SETMASK, &set, &oset);
1459 host_to_target_old_sigset(&target_set, &oset);
1460 ret = target_set;
1461 }
1462 break;
1463 case TARGET_NR_sigprocmask:
1464 {
1465 int how = arg1;
1466 sigset_t set, oldset, *set_ptr;
1467 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1468
1469 if (pset) {
1470 switch(how) {
1471 case TARGET_SIG_BLOCK:
1472 how = SIG_BLOCK;
1473 break;
1474 case TARGET_SIG_UNBLOCK:
1475 how = SIG_UNBLOCK;
1476 break;
1477 case TARGET_SIG_SETMASK:
1478 how = SIG_SETMASK;
1479 break;
1480 default:
1481 ret = -EINVAL;
1482 goto fail;
1483 }
1484 target_to_host_old_sigset(&set, pset);
1485 set_ptr = &set;
1486 } else {
1487 how = 0;
1488 set_ptr = NULL;
1489 }
1490 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1491 if (!is_error(ret) && poldset) {
1492 host_to_target_old_sigset(poldset, &oldset);
1493 }
1494 }
1495 break;
1496 case TARGET_NR_rt_sigprocmask:
1497 {
1498 int how = arg1;
1499 sigset_t set, oldset, *set_ptr;
1500 target_sigset_t *pset = (void *)arg2;
1501 target_sigset_t *poldset = (void *)arg3;
1502
1503 if (pset) {
1504 switch(how) {
1505 case TARGET_SIG_BLOCK:
1506 how = SIG_BLOCK;
1507 break;
1508 case TARGET_SIG_UNBLOCK:
1509 how = SIG_UNBLOCK;
1510 break;
1511 case TARGET_SIG_SETMASK:
1512 how = SIG_SETMASK;
1513 break;
1514 default:
1515 ret = -EINVAL;
1516 goto fail;
1517 }
1518 target_to_host_sigset(&set, pset);
1519 set_ptr = &set;
1520 } else {
1521 how = 0;
1522 set_ptr = NULL;
1523 }
1524 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1525 if (!is_error(ret) && poldset) {
1526 host_to_target_sigset(poldset, &oldset);
1527 }
1528 }
1529 break;
1530 case TARGET_NR_sigpending:
1531 {
1532 sigset_t set;
1533 ret = get_errno(sigpending(&set));
1534 if (!is_error(ret)) {
1535 host_to_target_old_sigset((target_ulong *)arg1, &set);
1536 }
1537 }
1538 break;
1539 case TARGET_NR_rt_sigpending:
1540 {
1541 sigset_t set;
1542 ret = get_errno(sigpending(&set));
1543 if (!is_error(ret)) {
1544 host_to_target_sigset((target_sigset_t *)arg1, &set);
1545 }
1546 }
1547 break;
1548 case TARGET_NR_sigsuspend:
1549 {
1550 sigset_t set;
1551 target_to_host_old_sigset(&set, (target_ulong *)arg1);
1552 ret = get_errno(sigsuspend(&set));
1553 }
1554 break;
1555 case TARGET_NR_rt_sigsuspend:
1556 {
1557 sigset_t set;
1558 target_to_host_sigset(&set, (target_sigset_t *)arg1);
1559 ret = get_errno(sigsuspend(&set));
1560 }
1561 break;
1562 case TARGET_NR_rt_sigtimedwait:
1563 {
1564 target_sigset_t *target_set = (void *)arg1;
1565 target_siginfo_t *target_uinfo = (void *)arg2;
1566 struct target_timespec *target_uts = (void *)arg3;
1567 sigset_t set;
1568 struct timespec uts, *puts;
1569 siginfo_t uinfo;
1570
1571 target_to_host_sigset(&set, target_set);
1572 if (target_uts) {
1573 puts = &uts;
1574 puts->tv_sec = tswapl(target_uts->tv_sec);
1575 puts->tv_nsec = tswapl(target_uts->tv_nsec);
1576 } else {
1577 puts = NULL;
1578 }
1579 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1580 if (!is_error(ret) && target_uinfo) {
1581 host_to_target_siginfo(target_uinfo, &uinfo);
1582 }
1583 }
1584 break;
1585 case TARGET_NR_rt_sigqueueinfo:
1586 {
1587 siginfo_t uinfo;
1588 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
1589 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
1590 }
1591 break;
1592 case TARGET_NR_sigreturn:
1593 /* NOTE: ret is eax, so not transcoding must be done */
1594 ret = do_sigreturn(cpu_env);
1595 break;
1596 case TARGET_NR_rt_sigreturn:
1597 /* NOTE: ret is eax, so not transcoding must be done */
1598 ret = do_rt_sigreturn(cpu_env);
1599 break;
31e31b8a
FB
1600 case TARGET_NR_setreuid:
1601 ret = get_errno(setreuid(arg1, arg2));
1602 break;
1603 case TARGET_NR_setregid:
1604 ret = get_errno(setregid(arg1, arg2));
1605 break;
31e31b8a
FB
1606 case TARGET_NR_sethostname:
1607 ret = get_errno(sethostname((const char *)arg1, arg2));
1608 break;
1609 case TARGET_NR_setrlimit:
9de5e440
FB
1610 {
1611 /* XXX: convert resource ? */
1612 int resource = arg1;
1613 struct target_rlimit *target_rlim = (void *)arg2;
1614 struct rlimit rlim;
1615 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
1616 rlim.rlim_max = tswapl(target_rlim->rlim_max);
1617 ret = get_errno(setrlimit(resource, &rlim));
1618 }
1619 break;
31e31b8a 1620 case TARGET_NR_getrlimit:
9de5e440
FB
1621 {
1622 /* XXX: convert resource ? */
1623 int resource = arg1;
1624 struct target_rlimit *target_rlim = (void *)arg2;
1625 struct rlimit rlim;
1626
1627 ret = get_errno(getrlimit(resource, &rlim));
1628 if (!is_error(ret)) {
1629 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
1630 target_rlim->rlim_max = tswapl(rlim.rlim_max);
1631 }
1632 }
1633 break;
31e31b8a
FB
1634 case TARGET_NR_getrusage:
1635 goto unimplemented;
1636 case TARGET_NR_gettimeofday:
1637 {
1638 struct target_timeval *target_tv = (void *)arg1;
1639 struct timeval tv;
1640 ret = get_errno(gettimeofday(&tv, NULL));
1641 if (!is_error(ret)) {
5cd4393b 1642 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB
1643 }
1644 }
1645 break;
1646 case TARGET_NR_settimeofday:
1647 {
1648 struct target_timeval *target_tv = (void *)arg1;
1649 struct timeval tv;
5cd4393b 1650 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB
1651 ret = get_errno(settimeofday(&tv, NULL));
1652 }
1653 break;
1654 case TARGET_NR_getgroups:
19b84f3c
FB
1655 {
1656 int gidsetsize = arg1;
1657 uint16_t *target_grouplist = (void *)arg2;
1658 gid_t *grouplist;
1659 int i;
1660
1661 grouplist = alloca(gidsetsize * sizeof(gid_t));
1662 ret = get_errno(getgroups(gidsetsize, grouplist));
1663 if (!is_error(ret)) {
1664 for(i = 0;i < gidsetsize; i++)
1665 target_grouplist[i] = tswap16(grouplist[i]);
1666 }
1667 }
1668 break;
31e31b8a 1669 case TARGET_NR_setgroups:
19b84f3c
FB
1670 {
1671 int gidsetsize = arg1;
1672 uint16_t *target_grouplist = (void *)arg2;
1673 gid_t *grouplist;
1674 int i;
1675
1676 grouplist = alloca(gidsetsize * sizeof(gid_t));
1677 for(i = 0;i < gidsetsize; i++)
1678 grouplist[i] = tswap16(target_grouplist[i]);
1679 ret = get_errno(setgroups(gidsetsize, grouplist));
1680 }
1681 break;
31e31b8a
FB
1682 case TARGET_NR_select:
1683 goto unimplemented;
1684 case TARGET_NR_symlink:
1685 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
1686 break;
1687 case TARGET_NR_oldlstat:
1688 goto unimplemented;
1689 case TARGET_NR_readlink:
ec86b0fb 1690 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
31e31b8a
FB
1691 break;
1692 case TARGET_NR_uselib:
1693 goto unimplemented;
1694 case TARGET_NR_swapon:
1695 ret = get_errno(swapon((const char *)arg1, arg2));
1696 break;
1697 case TARGET_NR_reboot:
1698 goto unimplemented;
1699 case TARGET_NR_readdir:
1700 goto unimplemented;
1701#ifdef TARGET_I386
1702 case TARGET_NR_mmap:
1703 {
1704 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
1705 vptr = (uint32_t *)arg1;
1706 v1 = tswap32(vptr[0]);
1707 v2 = tswap32(vptr[1]);
1708 v3 = tswap32(vptr[2]);
1709 v4 = tswap32(vptr[3]);
1710 v5 = tswap32(vptr[4]);
1711 v6 = tswap32(vptr[5]);
1712 ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6));
1713 }
1714 break;
1715#endif
1716#ifdef TARGET_I386
1717 case TARGET_NR_mmap2:
1718#else
1719 case TARGET_NR_mmap:
1720#endif
1721 ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6));
1722 break;
1723 case TARGET_NR_munmap:
1724 ret = get_errno(munmap((void *)arg1, arg2));
1725 break;
9de5e440
FB
1726 case TARGET_NR_mprotect:
1727 ret = get_errno(mprotect((void *)arg1, arg2, arg3));
1728 break;
1729 case TARGET_NR_mremap:
1730 ret = get_errno((long)mremap((void *)arg1, arg2, arg3, arg4));
1731 break;
1732 case TARGET_NR_msync:
1733 ret = get_errno(msync((void *)arg1, arg2, arg3));
1734 break;
1735 case TARGET_NR_mlock:
1736 ret = get_errno(mlock((void *)arg1, arg2));
1737 break;
1738 case TARGET_NR_munlock:
1739 ret = get_errno(munlock((void *)arg1, arg2));
1740 break;
1741 case TARGET_NR_mlockall:
1742 ret = get_errno(mlockall(arg1));
1743 break;
1744 case TARGET_NR_munlockall:
1745 ret = get_errno(munlockall());
1746 break;
31e31b8a
FB
1747 case TARGET_NR_truncate:
1748 ret = get_errno(truncate((const char *)arg1, arg2));
1749 break;
1750 case TARGET_NR_ftruncate:
1751 ret = get_errno(ftruncate(arg1, arg2));
1752 break;
1753 case TARGET_NR_fchmod:
1754 ret = get_errno(fchmod(arg1, arg2));
1755 break;
1756 case TARGET_NR_fchown:
1757 ret = get_errno(fchown(arg1, arg2, arg3));
1758 break;
1759 case TARGET_NR_getpriority:
1760 ret = get_errno(getpriority(arg1, arg2));
1761 break;
1762 case TARGET_NR_setpriority:
1763 ret = get_errno(setpriority(arg1, arg2, arg3));
1764 break;
1765 case TARGET_NR_profil:
1766 goto unimplemented;
1767 case TARGET_NR_statfs:
1768 stfs = (void *)arg2;
ec86b0fb 1769 ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
31e31b8a
FB
1770 convert_statfs:
1771 if (!is_error(ret)) {
1772 tswap32s(&stfs->f_type);
1773 tswap32s(&stfs->f_bsize);
1774 tswap32s(&stfs->f_blocks);
1775 tswap32s(&stfs->f_bfree);
1776 tswap32s(&stfs->f_bavail);
1777 tswap32s(&stfs->f_files);
1778 tswap32s(&stfs->f_ffree);
1779 tswap32s(&stfs->f_fsid.val[0]);
1780 tswap32s(&stfs->f_fsid.val[1]);
1781 tswap32s(&stfs->f_namelen);
1782 }
1783 break;
1784 case TARGET_NR_fstatfs:
1785 stfs = (void *)arg2;
1786 ret = get_errno(sys_fstatfs(arg1, stfs));
1787 goto convert_statfs;
1788 case TARGET_NR_ioperm:
1789 goto unimplemented;
1790 case TARGET_NR_socketcall:
7854b056 1791 ret = do_socketcall(arg1, (int32_t *)arg2);
31e31b8a
FB
1792 break;
1793 case TARGET_NR_syslog:
1794 goto unimplemented;
1795 case TARGET_NR_setitimer:
66fb9763
FB
1796 {
1797 struct target_itimerval *target_value = (void *)arg2;
1798 struct target_itimerval *target_ovalue = (void *)arg3;
1799 struct itimerval value, ovalue, *pvalue;
1800
1801 if (target_value) {
1802 pvalue = &value;
1803 target_to_host_timeval(&pvalue->it_interval,
1804 &target_value->it_interval);
1805 target_to_host_timeval(&pvalue->it_value,
1806 &target_value->it_value);
1807 } else {
1808 pvalue = NULL;
1809 }
1810 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1811 if (!is_error(ret) && target_ovalue) {
1812 host_to_target_timeval(&target_ovalue->it_interval,
1813 &ovalue.it_interval);
1814 host_to_target_timeval(&target_ovalue->it_value,
1815 &ovalue.it_value);
1816 }
1817 }
1818 break;
31e31b8a 1819 case TARGET_NR_getitimer:
66fb9763
FB
1820 {
1821 struct target_itimerval *target_value = (void *)arg2;
1822 struct itimerval value;
1823
1824 ret = get_errno(getitimer(arg1, &value));
1825 if (!is_error(ret) && target_value) {
1826 host_to_target_timeval(&target_value->it_interval,
1827 &value.it_interval);
1828 host_to_target_timeval(&target_value->it_value,
1829 &value.it_value);
1830 }
1831 }
1832 break;
31e31b8a 1833 case TARGET_NR_stat:
ec86b0fb 1834 ret = get_errno(stat(path((const char *)arg1), &st));
31e31b8a
FB
1835 goto do_stat;
1836 case TARGET_NR_lstat:
ec86b0fb 1837 ret = get_errno(lstat(path((const char *)arg1), &st));
31e31b8a
FB
1838 goto do_stat;
1839 case TARGET_NR_fstat:
1840 {
1841 ret = get_errno(fstat(arg1, &st));
1842 do_stat:
1843 if (!is_error(ret)) {
1844 struct target_stat *target_st = (void *)arg2;
1845 target_st->st_dev = tswap16(st.st_dev);
1846 target_st->st_ino = tswapl(st.st_ino);
ec86b0fb 1847 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB
1848 target_st->st_nlink = tswap16(st.st_nlink);
1849 target_st->st_uid = tswap16(st.st_uid);
1850 target_st->st_gid = tswap16(st.st_gid);
1851 target_st->st_rdev = tswap16(st.st_rdev);
1852 target_st->st_size = tswapl(st.st_size);
1853 target_st->st_blksize = tswapl(st.st_blksize);
1854 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB
1855 target_st->target_st_atime = tswapl(st.st_atime);
1856 target_st->target_st_mtime = tswapl(st.st_mtime);
1857 target_st->target_st_ctime = tswapl(st.st_ctime);
31e31b8a
FB
1858 }
1859 }
1860 break;
1861 case TARGET_NR_olduname:
1862 goto unimplemented;
1863 case TARGET_NR_iopl:
1864 goto unimplemented;
1865 case TARGET_NR_vhangup:
1866 ret = get_errno(vhangup());
1867 break;
1868 case TARGET_NR_idle:
1869 goto unimplemented;
31e31b8a
FB
1870 case TARGET_NR_wait4:
1871 {
1872 int status;
1873 target_long *status_ptr = (void *)arg2;
1874 struct rusage rusage, *rusage_ptr;
1875 struct target_rusage *target_rusage = (void *)arg4;
1876 if (target_rusage)
1877 rusage_ptr = &rusage;
1878 else
1879 rusage_ptr = NULL;
1880 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
1881 if (!is_error(ret)) {
1882 if (status_ptr)
1883 *status_ptr = tswap32(status);
1884 if (target_rusage) {
1885 target_rusage->ru_utime.tv_sec = tswapl(rusage.ru_utime.tv_sec);
1886 target_rusage->ru_utime.tv_usec = tswapl(rusage.ru_utime.tv_usec);
1887 target_rusage->ru_stime.tv_sec = tswapl(rusage.ru_stime.tv_sec);
1888 target_rusage->ru_stime.tv_usec = tswapl(rusage.ru_stime.tv_usec);
1889 target_rusage->ru_maxrss = tswapl(rusage.ru_maxrss);
1890 target_rusage->ru_ixrss = tswapl(rusage.ru_ixrss);
1891 target_rusage->ru_idrss = tswapl(rusage.ru_idrss);
1892 target_rusage->ru_isrss = tswapl(rusage.ru_isrss);
1893 target_rusage->ru_minflt = tswapl(rusage.ru_minflt);
1894 target_rusage->ru_majflt = tswapl(rusage.ru_majflt);
1895 target_rusage->ru_nswap = tswapl(rusage.ru_nswap);
1896 target_rusage->ru_inblock = tswapl(rusage.ru_inblock);
1897 target_rusage->ru_oublock = tswapl(rusage.ru_oublock);
1898 target_rusage->ru_msgsnd = tswapl(rusage.ru_msgsnd);
1899 target_rusage->ru_msgrcv = tswapl(rusage.ru_msgrcv);
1900 target_rusage->ru_nsignals = tswapl(rusage.ru_nsignals);
1901 target_rusage->ru_nvcsw = tswapl(rusage.ru_nvcsw);
1902 target_rusage->ru_nivcsw = tswapl(rusage.ru_nivcsw);
1903 }
1904 }
1905 }
1906 break;
1907 case TARGET_NR_swapoff:
1908 ret = get_errno(swapoff((const char *)arg1));
1909 break;
1910 case TARGET_NR_sysinfo:
1911 goto unimplemented;
1912 case TARGET_NR_ipc:
1913 goto unimplemented;
1914 case TARGET_NR_fsync:
1915 ret = get_errno(fsync(arg1));
1916 break;
31e31b8a 1917 case TARGET_NR_clone:
1b6b029e
FB
1918 ret = get_errno(do_fork(cpu_env, arg1, arg2));
1919 break;
ec86b0fb
FB
1920#ifdef __NR_exit_group
1921 /* new thread calls */
1922 case TARGET_NR_exit_group:
1923 ret = get_errno(exit_group(arg1));
1924 break;
1925#endif
31e31b8a
FB
1926 case TARGET_NR_setdomainname:
1927 ret = get_errno(setdomainname((const char *)arg1, arg2));
1928 break;
1929 case TARGET_NR_uname:
1930 /* no need to transcode because we use the linux syscall */
1931 ret = get_errno(sys_uname((struct new_utsname *)arg1));
1932 break;
6dbad63e 1933#ifdef TARGET_I386
31e31b8a 1934 case TARGET_NR_modify_ldt:
5cd4393b
FB
1935 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
1936 break;
1937 case TARGET_NR_vm86old:
1938 goto unimplemented;
1939 case TARGET_NR_vm86:
1940 ret = do_vm86(cpu_env, arg1, (void *)arg2);
6dbad63e
FB
1941 break;
1942#endif
31e31b8a
FB
1943 case TARGET_NR_adjtimex:
1944 goto unimplemented;
31e31b8a
FB
1945 case TARGET_NR_create_module:
1946 case TARGET_NR_init_module:
1947 case TARGET_NR_delete_module:
1948 case TARGET_NR_get_kernel_syms:
1949 goto unimplemented;
1950 case TARGET_NR_quotactl:
1951 goto unimplemented;
1952 case TARGET_NR_getpgid:
1953 ret = get_errno(getpgid(arg1));
1954 break;
1955 case TARGET_NR_fchdir:
1956 ret = get_errno(fchdir(arg1));
1957 break;
1958 case TARGET_NR_bdflush:
1959 goto unimplemented;
1960 case TARGET_NR_sysfs:
1961 goto unimplemented;
1962 case TARGET_NR_personality:
1b6b029e 1963 ret = get_errno(personality(arg1));
31e31b8a
FB
1964 break;
1965 case TARGET_NR_afs_syscall:
1966 goto unimplemented;
1967 case TARGET_NR_setfsuid:
9de5e440
FB
1968 ret = get_errno(setfsuid(arg1));
1969 break;
31e31b8a 1970 case TARGET_NR_setfsgid:
9de5e440
FB
1971 ret = get_errno(setfsgid(arg1));
1972 break;
31e31b8a
FB
1973 case TARGET_NR__llseek:
1974 {
1975 int64_t res;
1976 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1977 *(int64_t *)arg4 = tswap64(res);
1978 }
1979 break;
1980 case TARGET_NR_getdents:
1981#if TARGET_LONG_SIZE != 4
1982#error not supported
1983#endif
1984 {
1985 struct dirent *dirp = (void *)arg2;
1986 long count = arg3;
dab2ed99 1987
72f03900 1988 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB
1989 if (!is_error(ret)) {
1990 struct dirent *de;
1991 int len = ret;
1992 int reclen;
1993 de = dirp;
1994 while (len > 0) {
8083a3e5 1995 reclen = de->d_reclen;
31e31b8a
FB
1996 if (reclen > len)
1997 break;
8083a3e5 1998 de->d_reclen = tswap16(reclen);
31e31b8a
FB
1999 tswapls(&de->d_ino);
2000 tswapls(&de->d_off);
2001 de = (struct dirent *)((char *)de + reclen);
2002 len -= reclen;
2003 }
2004 }
2005 }
2006 break;
dab2ed99
FB
2007 case TARGET_NR_getdents64:
2008 {
2009 struct dirent64 *dirp = (void *)arg2;
2010 long count = arg3;
2011 ret = get_errno(sys_getdents64(arg1, dirp, count));
2012 if (!is_error(ret)) {
2013 struct dirent64 *de;
2014 int len = ret;
2015 int reclen;
2016 de = dirp;
2017 while (len > 0) {
8083a3e5 2018 reclen = de->d_reclen;
dab2ed99
FB
2019 if (reclen > len)
2020 break;
8083a3e5 2021 de->d_reclen = tswap16(reclen);
dab2ed99
FB
2022 tswap64s(&de->d_ino);
2023 tswap64s(&de->d_off);
2024 de = (struct dirent64 *)((char *)de + reclen);
2025 len -= reclen;
2026 }
2027 }
2028 }
2029 break;
31e31b8a
FB
2030 case TARGET_NR__newselect:
2031 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
2032 (void *)arg5);
2033 break;
9de5e440
FB
2034 case TARGET_NR_poll:
2035 {
2036 struct target_pollfd *target_pfd = (void *)arg1;
2037 unsigned int nfds = arg2;
2038 int timeout = arg3;
2039 struct pollfd *pfd;
7854b056 2040 unsigned int i;
9de5e440
FB
2041
2042 pfd = alloca(sizeof(struct pollfd) * nfds);
2043 for(i = 0; i < nfds; i++) {
5cd4393b
FB
2044 pfd[i].fd = tswap32(target_pfd[i].fd);
2045 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB
2046 }
2047 ret = get_errno(poll(pfd, nfds, timeout));
2048 if (!is_error(ret)) {
2049 for(i = 0; i < nfds; i++) {
5cd4393b 2050 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB
2051 }
2052 }
2053 }
2054 break;
31e31b8a 2055 case TARGET_NR_flock:
9de5e440
FB
2056 /* NOTE: the flock constant seems to be the same for every
2057 Linux platform */
2058 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB
2059 break;
2060 case TARGET_NR_readv:
2061 {
2062 int count = arg3;
2063 int i;
2064 struct iovec *vec;
2065 struct target_iovec *target_vec = (void *)arg2;
2066
2067 vec = alloca(count * sizeof(struct iovec));
2068 for(i = 0;i < count; i++) {
2069 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2070 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2071 }
2072 ret = get_errno(readv(arg1, vec, count));
2073 }
2074 break;
2075 case TARGET_NR_writev:
2076 {
2077 int count = arg3;
2078 int i;
2079 struct iovec *vec;
2080 struct target_iovec *target_vec = (void *)arg2;
2081
2082 vec = alloca(count * sizeof(struct iovec));
2083 for(i = 0;i < count; i++) {
2084 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2085 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2086 }
2087 ret = get_errno(writev(arg1, vec, count));
2088 }
2089 break;
2090 case TARGET_NR_getsid:
2091 ret = get_errno(getsid(arg1));
2092 break;
2093 case TARGET_NR_fdatasync:
5cd4393b
FB
2094 ret = get_errno(fdatasync(arg1));
2095 break;
31e31b8a
FB
2096 case TARGET_NR__sysctl:
2097 goto unimplemented;
31e31b8a 2098 case TARGET_NR_sched_setparam:
5cd4393b
FB
2099 {
2100 struct sched_param *target_schp = (void *)arg2;
2101 struct sched_param schp;
2102 schp.sched_priority = tswap32(target_schp->sched_priority);
2103 ret = get_errno(sched_setparam(arg1, &schp));
2104 }
2105 break;
31e31b8a 2106 case TARGET_NR_sched_getparam:
5cd4393b
FB
2107 {
2108 struct sched_param *target_schp = (void *)arg2;
2109 struct sched_param schp;
2110 ret = get_errno(sched_getparam(arg1, &schp));
2111 if (!is_error(ret)) {
2112 target_schp->sched_priority = tswap32(schp.sched_priority);
2113 }
2114 }
2115 break;
31e31b8a 2116 case TARGET_NR_sched_setscheduler:
5cd4393b
FB
2117 {
2118 struct sched_param *target_schp = (void *)arg3;
2119 struct sched_param schp;
2120 schp.sched_priority = tswap32(target_schp->sched_priority);
2121 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2122 }
2123 break;
31e31b8a 2124 case TARGET_NR_sched_getscheduler:
5cd4393b
FB
2125 ret = get_errno(sched_getscheduler(arg1));
2126 break;
31e31b8a
FB
2127 case TARGET_NR_sched_yield:
2128 ret = get_errno(sched_yield());
2129 break;
2130 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB
2131 ret = get_errno(sched_get_priority_max(arg1));
2132 break;
31e31b8a 2133 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB
2134 ret = get_errno(sched_get_priority_min(arg1));
2135 break;
31e31b8a 2136 case TARGET_NR_sched_rr_get_interval:
5cd4393b
FB
2137 {
2138 struct target_timespec *target_ts = (void *)arg2;
2139 struct timespec ts;
2140 ret = get_errno(sched_rr_get_interval(arg1, &ts));
2141 if (!is_error(ret)) {
2142 target_ts->tv_sec = tswapl(ts.tv_sec);
2143 target_ts->tv_nsec = tswapl(ts.tv_nsec);
2144 }
2145 }
2146 break;
31e31b8a 2147 case TARGET_NR_nanosleep:
1b6b029e
FB
2148 {
2149 struct target_timespec *target_req = (void *)arg1;
2150 struct target_timespec *target_rem = (void *)arg2;
2151 struct timespec req, rem;
2152 req.tv_sec = tswapl(target_req->tv_sec);
2153 req.tv_nsec = tswapl(target_req->tv_nsec);
2154 ret = get_errno(nanosleep(&req, &rem));
2155 if (target_rem) {
2156 target_rem->tv_sec = tswapl(rem.tv_sec);
2157 target_rem->tv_nsec = tswapl(rem.tv_nsec);
2158 }
2159 }
2160 break;
31e31b8a 2161 case TARGET_NR_setresuid:
b03c60f3
FB
2162 ret = get_errno(setresuid(low2highuid(arg1),
2163 low2highuid(arg2),
2164 low2highuid(arg3)));
2165 break;
31e31b8a 2166 case TARGET_NR_getresuid:
b03c60f3
FB
2167 {
2168 int ruid, euid, suid;
2169 ret = get_errno(getresuid(&ruid, &euid, &suid));
2170 if (!is_error(ret)) {
2171 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2172 *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2173 *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2174 }
2175 }
2176 break;
2177 case TARGET_NR_setresgid:
2178 ret = get_errno(setresgid(low2highgid(arg1),
2179 low2highgid(arg2),
2180 low2highgid(arg3)));
2181 break;
2182 case TARGET_NR_getresgid:
2183 {
2184 int rgid, egid, sgid;
2185 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2186 if (!is_error(ret)) {
2187 *(uint16_t *)arg1 = high2lowgid(tswap16(rgid));
2188 *(uint16_t *)arg2 = high2lowgid(tswap16(egid));
2189 *(uint16_t *)arg3 = high2lowgid(tswap16(sgid));
2190 }
2191 }
2192 break;
31e31b8a 2193 case TARGET_NR_query_module:
5cd4393b 2194 goto unimplemented;
31e31b8a 2195 case TARGET_NR_nfsservctl:
5cd4393b 2196 goto unimplemented;
31e31b8a 2197 case TARGET_NR_prctl:
5cd4393b 2198 goto unimplemented;
31e31b8a 2199 case TARGET_NR_pread:
5cd4393b 2200 goto unimplemented;
31e31b8a
FB
2201 case TARGET_NR_pwrite:
2202 goto unimplemented;
2203 case TARGET_NR_chown:
2204 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2205 break;
2206 case TARGET_NR_getcwd:
72f03900 2207 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
31e31b8a
FB
2208 break;
2209 case TARGET_NR_capget:
5cd4393b 2210 goto unimplemented;
31e31b8a 2211 case TARGET_NR_capset:
5cd4393b 2212 goto unimplemented;
31e31b8a 2213 case TARGET_NR_sigaltstack:
5cd4393b 2214 goto unimplemented;
31e31b8a 2215 case TARGET_NR_sendfile:
5cd4393b 2216 goto unimplemented;
31e31b8a 2217 case TARGET_NR_getpmsg:
5cd4393b 2218 goto unimplemented;
31e31b8a 2219 case TARGET_NR_putpmsg:
5cd4393b 2220 goto unimplemented;
31e31b8a 2221 case TARGET_NR_vfork:
1b6b029e 2222 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a
FB
2223 break;
2224 case TARGET_NR_ugetrlimit:
728584be
FB
2225 {
2226 struct rlimit rlim;
2227 ret = get_errno(getrlimit(arg1, &rlim));
2228 if (!is_error(ret)) {
2229 struct target_rlimit *target_rlim = (void *)arg2;
2230 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2231 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2232 }
2233 break;
2234 }
31e31b8a 2235 case TARGET_NR_truncate64:
5cd4393b 2236 goto unimplemented;
31e31b8a 2237 case TARGET_NR_ftruncate64:
60cd49d5 2238 goto unimplemented;
31e31b8a 2239 case TARGET_NR_stat64:
ec86b0fb 2240 ret = get_errno(stat(path((const char *)arg1), &st));
60cd49d5 2241 goto do_stat64;
31e31b8a 2242 case TARGET_NR_lstat64:
ec86b0fb 2243 ret = get_errno(lstat(path((const char *)arg1), &st));
60cd49d5 2244 goto do_stat64;
31e31b8a 2245 case TARGET_NR_fstat64:
60cd49d5
FB
2246 {
2247 ret = get_errno(fstat(arg1, &st));
2248 do_stat64:
2249 if (!is_error(ret)) {
2250 struct target_stat64 *target_st = (void *)arg2;
ec86b0fb 2251 memset(target_st, 0, sizeof(struct target_stat64));
60cd49d5 2252 target_st->st_dev = tswap16(st.st_dev);
728584be 2253 target_st->st_ino = tswap64(st.st_ino);
ec86b0fb
FB
2254#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
2255 target_st->__st_ino = tswapl(st.st_ino);
2256#endif
9af9eaaa 2257 target_st->st_mode = tswap32(st.st_mode);
ec86b0fb
FB
2258 target_st->st_nlink = tswap32(st.st_nlink);
2259 target_st->st_uid = tswapl(st.st_uid);
2260 target_st->st_gid = tswapl(st.st_gid);
60cd49d5
FB
2261 target_st->st_rdev = tswap16(st.st_rdev);
2262 /* XXX: better use of kernel struct */
ec86b0fb 2263 target_st->st_size = tswap64(st.st_size);
60cd49d5
FB
2264 target_st->st_blksize = tswapl(st.st_blksize);
2265 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB
2266 target_st->target_st_atime = tswapl(st.st_atime);
2267 target_st->target_st_mtime = tswapl(st.st_mtime);
2268 target_st->target_st_ctime = tswapl(st.st_ctime);
60cd49d5
FB
2269 }
2270 }
2271 break;
2272
31e31b8a 2273 case TARGET_NR_lchown32:
b03c60f3
FB
2274 ret = get_errno(lchown((const char *)arg1, arg2, arg3));
2275 break;
31e31b8a 2276 case TARGET_NR_getuid32:
b03c60f3
FB
2277 ret = get_errno(getuid());
2278 break;
31e31b8a 2279 case TARGET_NR_getgid32:
b03c60f3
FB
2280 ret = get_errno(getgid());
2281 break;
31e31b8a 2282 case TARGET_NR_geteuid32:
b03c60f3
FB
2283 ret = get_errno(geteuid());
2284 break;
31e31b8a 2285 case TARGET_NR_getegid32:
b03c60f3
FB
2286 ret = get_errno(getegid());
2287 break;
31e31b8a 2288 case TARGET_NR_setreuid32:
b03c60f3
FB
2289 ret = get_errno(setreuid(arg1, arg2));
2290 break;
31e31b8a 2291 case TARGET_NR_setregid32:
b03c60f3
FB
2292 ret = get_errno(setregid(arg1, arg2));
2293 break;
31e31b8a 2294 case TARGET_NR_getgroups32:
b03c60f3 2295 goto unimplemented;
31e31b8a 2296 case TARGET_NR_setgroups32:
b03c60f3 2297 goto unimplemented;
31e31b8a 2298 case TARGET_NR_fchown32:
b03c60f3
FB
2299 ret = get_errno(fchown(arg1, arg2, arg3));
2300 break;
31e31b8a 2301 case TARGET_NR_setresuid32:
b03c60f3
FB
2302 ret = get_errno(setresuid(arg1, arg2, arg3));
2303 break;
31e31b8a 2304 case TARGET_NR_getresuid32:
b03c60f3
FB
2305 {
2306 int ruid, euid, suid;
2307 ret = get_errno(getresuid(&ruid, &euid, &suid));
2308 if (!is_error(ret)) {
2309 *(uint32_t *)arg1 = tswap32(ruid);
2310 *(uint32_t *)arg2 = tswap32(euid);
2311 *(uint32_t *)arg3 = tswap32(suid);
2312 }
2313 }
2314 break;
31e31b8a 2315 case TARGET_NR_setresgid32:
b03c60f3
FB
2316 ret = get_errno(setresgid(arg1, arg2, arg3));
2317 break;
31e31b8a 2318 case TARGET_NR_getresgid32:
b03c60f3
FB
2319 {
2320 int rgid, egid, sgid;
2321 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2322 if (!is_error(ret)) {
2323 *(uint32_t *)arg1 = tswap32(rgid);
2324 *(uint32_t *)arg2 = tswap32(egid);
2325 *(uint32_t *)arg3 = tswap32(sgid);
2326 }
2327 }
2328 break;
31e31b8a 2329 case TARGET_NR_chown32:
b03c60f3
FB
2330 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2331 break;
31e31b8a 2332 case TARGET_NR_setuid32:
b03c60f3
FB
2333 ret = get_errno(setuid(arg1));
2334 break;
31e31b8a 2335 case TARGET_NR_setgid32:
b03c60f3
FB
2336 ret = get_errno(setgid(arg1));
2337 break;
31e31b8a 2338 case TARGET_NR_setfsuid32:
b03c60f3
FB
2339 ret = get_errno(setfsuid(arg1));
2340 break;
31e31b8a 2341 case TARGET_NR_setfsgid32:
b03c60f3
FB
2342 ret = get_errno(setfsgid(arg1));
2343 break;
31e31b8a 2344 case TARGET_NR_pivot_root:
b03c60f3 2345 goto unimplemented;
31e31b8a 2346 case TARGET_NR_mincore:
b03c60f3 2347 goto unimplemented;
31e31b8a 2348 case TARGET_NR_madvise:
60cd49d5
FB
2349 goto unimplemented;
2350#if TARGET_LONG_BITS == 32
31e31b8a 2351 case TARGET_NR_fcntl64:
77e4672d
FB
2352 {
2353 struct flock64 fl;
2354 struct target_flock64 *target_fl = (void *)arg3;
2355
60cd49d5
FB
2356 switch(arg2) {
2357 case F_GETLK64:
77e4672d
FB
2358 ret = get_errno(fcntl(arg1, arg2, &fl));
2359 if (ret == 0) {
2360 target_fl->l_type = tswap16(fl.l_type);
2361 target_fl->l_whence = tswap16(fl.l_whence);
2362 target_fl->l_start = tswap64(fl.l_start);
2363 target_fl->l_len = tswap64(fl.l_len);
2364 target_fl->l_pid = tswapl(fl.l_pid);
2365 }
2366 break;
2367
60cd49d5
FB
2368 case F_SETLK64:
2369 case F_SETLKW64:
77e4672d
FB
2370 fl.l_type = tswap16(target_fl->l_type);
2371 fl.l_whence = tswap16(target_fl->l_whence);
2372 fl.l_start = tswap64(target_fl->l_start);
2373 fl.l_len = tswap64(target_fl->l_len);
2374 fl.l_pid = tswapl(target_fl->l_pid);
2375 ret = get_errno(fcntl(arg1, arg2, &fl));
2376 break;
60cd49d5
FB
2377 default:
2378 ret = get_errno(fcntl(arg1, arg2, arg3));
2379 break;
2380 }
77e4672d
FB
2381 break;
2382 }
60cd49d5 2383#endif
31e31b8a
FB
2384 case TARGET_NR_security:
2385 goto unimplemented;
2386 case TARGET_NR_gettid:
2387 ret = get_errno(gettid());
2388 break;
2389 case TARGET_NR_readahead:
5cd4393b 2390 goto unimplemented;
31e31b8a
FB
2391 case TARGET_NR_setxattr:
2392 case TARGET_NR_lsetxattr:
2393 case TARGET_NR_fsetxattr:
2394 case TARGET_NR_getxattr:
2395 case TARGET_NR_lgetxattr:
2396 case TARGET_NR_fgetxattr:
2397 case TARGET_NR_listxattr:
2398 case TARGET_NR_llistxattr:
2399 case TARGET_NR_flistxattr:
2400 case TARGET_NR_removexattr:
2401 case TARGET_NR_lremovexattr:
2402 case TARGET_NR_fremovexattr:
5cd4393b
FB
2403 goto unimplemented_nowarn;
2404 case TARGET_NR_set_thread_area:
2405 case TARGET_NR_get_thread_area:
2406 goto unimplemented_nowarn;
31e31b8a
FB
2407 default:
2408 unimplemented:
5cd4393b
FB
2409 gemu_log("qemu: Unsupported syscall: %d\n", num);
2410 unimplemented_nowarn:
31e31b8a
FB
2411 ret = -ENOSYS;
2412 break;
2413 }
2414 fail:
2415 return ret;
2416}
2417