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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 66
1a9353d2
FB		 67//#include <linux/msdos_fs.h>
68#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
69#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
70
9de5e440
FB		 71void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info);
72void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo);
66fb9763
FB		 73long do_sigreturn(CPUX86State *env);
74long do_rt_sigreturn(CPUX86State *env);
75
31e31b8a 76#define __NR_sys_uname __NR_uname
72f03900 77#define __NR_sys_getcwd1 __NR_getcwd
31e31b8a
FB		 78#define __NR_sys_statfs __NR_statfs
79#define __NR_sys_fstatfs __NR_fstatfs
72f03900 80#define __NR_sys_getdents __NR_getdents
dab2ed99 81#define __NR_sys_getdents64 __NR_getdents64
66fb9763 82#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
31e31b8a 83
27725c1d 84#if defined(__alpha__) || defined (__ia64__)
9af9eaaa
FB		 85#define __NR__llseek __NR_lseek
86#endif
87
72f03900 88#ifdef __NR_gettid
31e31b8a 89_syscall0(int, gettid)
72f03900
FB		 90#else
91static int gettid(void) {
92 return -ENOSYS;
93}
94#endif
31e31b8a 95_syscall1(int,sys_uname,struct new_utsname *,buf)
72f03900
FB		 96_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
97_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
dab2ed99 98_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
31e31b8a
FB		 99_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
100 loff_t *, res, uint, wh);
72f03900
FB		 101_syscall2(int,sys_statfs,const char *,path,struct kernel_statfs *,buf)
102_syscall2(int,sys_fstatfs,int,fd,struct kernel_statfs *,buf)
66fb9763 103_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
ec86b0fb
FB		 104#ifdef __NR_exit_group
105_syscall1(int,exit_group,int,error_code)
106#endif
66fb9763
FB		 107
108extern int personality(int);
9de5e440
FB		 109extern int flock(int, int);
110extern int setfsuid(int);
111extern int setfsgid(int);
5cd4393b
FB		 112extern int setresuid(uid_t, uid_t, uid_t);
113extern int getresuid(uid_t *, uid_t *, uid_t *);
114extern int setresgid(gid_t, gid_t, gid_t);
115extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 116extern int setgroups(int, gid_t *);
31e31b8a
FB		 117
118static inline long get_errno(long ret)
119{
120 if (ret == -1)
121 return -errno;
122 else
123 return ret;
124}
125
126static inline int is_error(long ret)
127{
128 return (unsigned long)ret >= (unsigned long)(-4096);
129}
130
131static char *target_brk;
132static char *target_original_brk;
133
134void target_set_brk(char *new_brk)
135{
136 target_brk = new_brk;
137 target_original_brk = new_brk;
138}
139
140static long do_brk(char *new_brk)
141{
142 char *brk_page;
143 long mapped_addr;
144 int new_alloc_size;
145
146 if (!new_brk)
147 return (long)target_brk;
148 if (new_brk < target_original_brk)
149 return -ENOMEM;
150
54936004 151 brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
31e31b8a
FB		 152
153 /* If the new brk is less than this, set it and we're done... */
154 if (new_brk < brk_page) {
155 target_brk = new_brk;
156 return (long)target_brk;
157 }
158
159 /* We need to allocate more memory after the brk... */
54936004
FB		 160 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
161 mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size,
162 PROT_READ|PROT_WRITE,
163 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
31e31b8a
FB		 164 if (is_error(mapped_addr)) {
165 return mapped_addr;
166 } else {
167 target_brk = new_brk;
168 return (long)target_brk;
169 }
170}
171
172static inline fd_set *target_to_host_fds(fd_set *fds,
173 target_long *target_fds, int n)
174{
7854b056 175#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 176 return (fd_set *)target_fds;
177#else
178 int i, b;
179 if (target_fds) {
180 FD_ZERO(fds);
181 for(i = 0;i < n; i++) {
182 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
183 (i & (TARGET_LONG_BITS - 1))) & 1;
184 if (b)
185 FD_SET(i, fds);
186 }
187 return fds;
188 } else {
189 return NULL;
190 }
191#endif
192}
193
194static inline void host_to_target_fds(target_long *target_fds,
195 fd_set *fds, int n)
196{
7854b056 197#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 198 /* nothing to do */
199#else
200 int i, nw, j, k;
201 target_long v;
202
203 if (target_fds) {
204 nw = n / TARGET_LONG_BITS;
205 k = 0;
206 for(i = 0;i < nw; i++) {
207 v = 0;
208 for(j = 0; j < TARGET_LONG_BITS; j++) {
209 v |= ((FD_ISSET(k, fds) != 0) << j);
210 k++;
211 }
212 target_fds[i] = tswapl(v);
213 }
214 }
215#endif
216}
217
b409186b
FB		 218static inline void host_to_target_rusage(struct target_rusage *target_rusage,
219 const struct rusage *rusage)
220{
221 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
222 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
223 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
224 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
225 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
226 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
227 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
228 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
229 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
230 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
231 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
232 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
233 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
234 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
235 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
236 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
237 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
238 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
239}
240
66fb9763 241static inline void target_to_host_timeval(struct timeval *tv,
5cd4393b 242 const struct target_timeval *target_tv)
31e31b8a 243{
66fb9763
FB		 244 tv->tv_sec = tswapl(target_tv->tv_sec);
245 tv->tv_usec = tswapl(target_tv->tv_usec);
31e31b8a
FB		 246}
247
66fb9763 248static inline void host_to_target_timeval(struct target_timeval *target_tv,
5cd4393b 249 const struct timeval *tv)
31e31b8a 250{
66fb9763
FB		 251 target_tv->tv_sec = tswapl(tv->tv_sec);
252 target_tv->tv_usec = tswapl(tv->tv_usec);
31e31b8a
FB		 253}
254
255
256static long do_select(long n,
257 target_long *target_rfds, target_long *target_wfds,
258 target_long *target_efds, struct target_timeval *target_tv)
259{
260 fd_set rfds, wfds, efds;
261 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
262 struct timeval tv, *tv_ptr;
263 long ret;
264
265 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
266 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
267 efds_ptr = target_to_host_fds(&efds, target_efds, n);
268
269 if (target_tv) {
5cd4393b 270 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 271 tv_ptr = &tv;
272 } else {
273 tv_ptr = NULL;
274 }
275 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
276 if (!is_error(ret)) {
277 host_to_target_fds(target_rfds, rfds_ptr, n);
278 host_to_target_fds(target_wfds, wfds_ptr, n);
279 host_to_target_fds(target_efds, efds_ptr, n);
280
281 if (target_tv) {
5cd4393b 282 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 283 }
284 }
285 return ret;
286}
287
7854b056
FB		 288static inline void target_to_host_sockaddr(struct sockaddr *addr,
289 struct target_sockaddr *target_addr,
290 socklen_t len)
291{
292 memcpy(addr, target_addr, len);
293 addr->sa_family = tswap16(target_addr->sa_family);
294}
295
296static inline void host_to_target_sockaddr(struct target_sockaddr *target_addr,
297 struct sockaddr *addr,
298 socklen_t len)
299{
300 memcpy(target_addr, addr, len);
301 target_addr->sa_family = tswap16(addr->sa_family);
302}
303
304static inline void target_to_host_cmsg(struct msghdr *msgh,
305 struct target_msghdr *target_msgh)
306{
307 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
308 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
309 socklen_t space = 0;
310
311 while (cmsg && target_cmsg) {
312 void *data = CMSG_DATA(cmsg);
313 void *target_data = TARGET_CMSG_DATA(target_cmsg);
314
315 int len = tswapl(target_cmsg->cmsg_len)
316 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
317
318 space += CMSG_SPACE(len);
319 if (space > msgh->msg_controllen) {
320 space -= CMSG_SPACE(len);
321 gemu_log("Host cmsg overflow");
322 break;
323 }
324
325 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
326 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
327 cmsg->cmsg_len = CMSG_LEN(len);
328
329 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
330 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
331 memcpy(data, target_data, len);
332 } else {
333 int *fd = (int *)data;
334 int *target_fd = (int *)target_data;
335 int i, numfds = len / sizeof(int);
336
337 for (i = 0; i < numfds; i++)
338 fd[i] = tswap32(target_fd[i]);
339 }
340
341 cmsg = CMSG_NXTHDR(msgh, cmsg);
342 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
343 }
344
345 msgh->msg_controllen = space;
346}
347
348static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
349 struct msghdr *msgh)
350{
351 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
352 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
353 socklen_t space = 0;
354
355 while (cmsg && target_cmsg) {
356 void *data = CMSG_DATA(cmsg);
357 void *target_data = TARGET_CMSG_DATA(target_cmsg);
358
359 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
360
361 space += TARGET_CMSG_SPACE(len);
362 if (space > tswapl(target_msgh->msg_controllen)) {
363 space -= TARGET_CMSG_SPACE(len);
364 gemu_log("Target cmsg overflow");
365 break;
366 }
367
368 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
369 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
370 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
371
372 if (cmsg->cmsg_level != SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
373 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
374 memcpy(target_data, data, len);
375 } else {
376 int *fd = (int *)data;
377 int *target_fd = (int *)target_data;
378 int i, numfds = len / sizeof(int);
379
380 for (i = 0; i < numfds; i++)
381 target_fd[i] = tswap32(fd[i]);
382 }
383
384 cmsg = CMSG_NXTHDR(msgh, cmsg);
385 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
386 }
387
388 msgh->msg_controllen = tswapl(space);
389}
390
391static long do_setsockopt(int sockfd, int level, int optname,
392 void *optval, socklen_t optlen)
393{
394 if (level == SOL_TCP) {
395 /* TCP options all take an 'int' value. */
396 int val;
397
398 if (optlen < sizeof(uint32_t))
399 return -EINVAL;
400
401 val = tswap32(*(uint32_t *)optval);
402 return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
403 }
404
405 else if (level != SOL_SOCKET) {
406 gemu_log("Unsupported setsockopt level: %d\n", level);
407 return -ENOSYS;
408 }
409
410 switch (optname) {
411 /* Options with 'int' argument. */
412 case SO_DEBUG:
413 case SO_REUSEADDR:
414 case SO_TYPE:
415 case SO_ERROR:
416 case SO_DONTROUTE:
417 case SO_BROADCAST:
418 case SO_SNDBUF:
419 case SO_RCVBUF:
420 case SO_KEEPALIVE:
421 case SO_OOBINLINE:
422 case SO_NO_CHECK:
423 case SO_PRIORITY:
424 case SO_BSDCOMPAT:
425 case SO_PASSCRED:
426 case SO_TIMESTAMP:
427 case SO_RCVLOWAT:
428 case SO_RCVTIMEO:
429 case SO_SNDTIMEO:
430 {
431 int val;
432 if (optlen < sizeof(uint32_t))
433 return -EINVAL;
434 val = tswap32(*(uint32_t *)optval);
435 return get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
436 }
437
438 default:
439 gemu_log("Unsupported setsockopt SOL_SOCKET option: %d\n", optname);
440 return -ENOSYS;
441 }
442}
443
444static long do_getsockopt(int sockfd, int level, int optname,
445 void *optval, socklen_t *optlen)
446{
447 gemu_log("getsockopt not yet supported\n");
448 return -ENOSYS;
449}
450
451static long do_socketcall(int num, int32_t *vptr)
31e31b8a
FB		 452{
453 long ret;
454
455 switch(num) {
456 case SOCKOP_socket:
7854b056
FB		 457 {
458 int domain = tswap32(vptr[0]);
459 int type = tswap32(vptr[1]);
460 int protocol = tswap32(vptr[2]);
461
462 ret = get_errno(socket(domain, type, protocol));
463 }
31e31b8a
FB		 464 break;
465 case SOCKOP_bind:
7854b056
FB		 466 {
467 int sockfd = tswap32(vptr[0]);
468 void *target_addr = (void *)tswap32(vptr[1]);
469 socklen_t addrlen = tswap32(vptr[2]);
470 void *addr = alloca(addrlen);
471
472 target_to_host_sockaddr(addr, target_addr, addrlen);
473 ret = get_errno(bind(sockfd, addr, addrlen));
474 }
31e31b8a
FB		 475 break;
476 case SOCKOP_connect:
7854b056
FB		 477 {
478 int sockfd = tswap32(vptr[0]);
479 void *target_addr = (void *)tswap32(vptr[1]);
480 socklen_t addrlen = tswap32(vptr[2]);
481 void *addr = alloca(addrlen);
482
483 target_to_host_sockaddr(addr, target_addr, addrlen);
484 ret = get_errno(connect(sockfd, addr, addrlen));
485 }
31e31b8a
FB		 486 break;
487 case SOCKOP_listen:
7854b056
FB		 488 {
489 int sockfd = tswap32(vptr[0]);
490 int backlog = tswap32(vptr[1]);
491
492 ret = get_errno(listen(sockfd, backlog));
493 }
31e31b8a
FB		 494 break;
495 case SOCKOP_accept:
496 {
7854b056
FB		 497 int sockfd = tswap32(vptr[0]);
498 void *target_addr = (void *)tswap32(vptr[1]);
499 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
500 socklen_t addrlen = tswap32(*target_addrlen);
501 void *addr = alloca(addrlen);
502
503 ret = get_errno(accept(sockfd, addr, &addrlen));
504 if (!is_error(ret)) {
505 host_to_target_sockaddr(target_addr, addr, addrlen);
506 *target_addrlen = tswap32(addrlen);
507 }
31e31b8a
FB		 508 }
509 break;
510 case SOCKOP_getsockname:
511 {
7854b056
FB		 512 int sockfd = tswap32(vptr[0]);
513 void *target_addr = (void *)tswap32(vptr[1]);
514 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
515 socklen_t addrlen = tswap32(*target_addrlen);
516 void *addr = alloca(addrlen);
517
518 ret = get_errno(getsockname(sockfd, addr, &addrlen));
519 if (!is_error(ret)) {
520 host_to_target_sockaddr(target_addr, addr, addrlen);
521 *target_addrlen = tswap32(addrlen);
522 }
31e31b8a
FB		 523 }
524 break;
525 case SOCKOP_getpeername:
526 {
7854b056
FB		 527 int sockfd = tswap32(vptr[0]);
528 void *target_addr = (void *)tswap32(vptr[1]);
529 uint32_t *target_addrlen = (void *)tswap32(vptr[2]);
530 socklen_t addrlen = tswap32(*target_addrlen);
531 void *addr = alloca(addrlen);
532
533 ret = get_errno(getpeername(sockfd, addr, &addrlen));
534 if (!is_error(ret)) {
535 host_to_target_sockaddr(target_addr, addr, addrlen);
536 *target_addrlen = tswap32(addrlen);
537 }
31e31b8a
FB		 538 }
539 break;
540 case SOCKOP_socketpair:
541 {
7854b056
FB		 542 int domain = tswap32(vptr[0]);
543 int type = tswap32(vptr[1]);
544 int protocol = tswap32(vptr[2]);
545 int32_t *target_tab = (void *)tswap32(vptr[3]);
31e31b8a 546 int tab[2];
7854b056
FB		 547
548 ret = get_errno(socketpair(domain, type, protocol, tab));
31e31b8a
FB		 549 if (!is_error(ret)) {
550 target_tab[0] = tswap32(tab[0]);
551 target_tab[1] = tswap32(tab[1]);
552 }
553 }
554 break;
555 case SOCKOP_send:
7854b056
FB		 556 {
557 int sockfd = tswap32(vptr[0]);
558 void *msg = (void *)tswap32(vptr[1]);
559 size_t len = tswap32(vptr[2]);
560 int flags = tswap32(vptr[3]);
561
562 ret = get_errno(send(sockfd, msg, len, flags));
563 }
31e31b8a
FB		 564 break;
565 case SOCKOP_recv:
7854b056
FB		 566 {
567 int sockfd = tswap32(vptr[0]);
568 void *msg = (void *)tswap32(vptr[1]);
569 size_t len = tswap32(vptr[2]);
570 int flags = tswap32(vptr[3]);
571
572 ret = get_errno(recv(sockfd, msg, len, flags));
573 }
31e31b8a
FB		 574 break;
575 case SOCKOP_sendto:
7854b056
FB		 576 {
577 int sockfd = tswap32(vptr[0]);
578 void *msg = (void *)tswap32(vptr[1]);
579 size_t len = tswap32(vptr[2]);
580 int flags = tswap32(vptr[3]);
581 void *target_addr = (void *)tswap32(vptr[4]);
582 socklen_t addrlen = tswap32(vptr[5]);
583 void *addr = alloca(addrlen);
584
585 target_to_host_sockaddr(addr, target_addr, addrlen);
586 ret = get_errno(sendto(sockfd, msg, len, flags, addr, addrlen));
587 }
31e31b8a
FB		 588 break;
589 case SOCKOP_recvfrom:
590 {
7854b056
FB		 591 int sockfd = tswap32(vptr[0]);
592 void *msg = (void *)tswap32(vptr[1]);
593 size_t len = tswap32(vptr[2]);
594 int flags = tswap32(vptr[3]);
595 void *target_addr = (void *)tswap32(vptr[4]);
596 uint32_t *target_addrlen = (void *)tswap32(vptr[5]);
597 socklen_t addrlen = tswap32(*target_addrlen);
598 void *addr = alloca(addrlen);
599
600 ret = get_errno(recvfrom(sockfd, msg, len, flags, addr, &addrlen));
601 if (!is_error(ret)) {
602 host_to_target_sockaddr(target_addr, addr, addrlen);
603 *target_addrlen = tswap32(addrlen);
604 }
31e31b8a
FB		 605 }
606 break;
607 case SOCKOP_shutdown:
7854b056
FB		 608 {
609 int sockfd = tswap32(vptr[0]);
610 int how = tswap32(vptr[1]);
611
612 ret = get_errno(shutdown(sockfd, how));
613 }
31e31b8a
FB		 614 break;
615 case SOCKOP_sendmsg:
616 case SOCKOP_recvmsg:
1a9353d2
FB		 617 {
618 int fd;
619 struct target_msghdr *msgp;
620 struct msghdr msg;
621 int flags, count, i;
622 struct iovec *vec;
623 struct target_iovec *target_vec;
624
7854b056 625 msgp = (void *)tswap32(vptr[1]);
1a9353d2
FB		 626 msg.msg_name = (void *)tswapl(msgp->msg_name);
627 msg.msg_namelen = tswapl(msgp->msg_namelen);
7854b056
FB		 628 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
629 msg.msg_control = alloca(msg.msg_controllen);
1a9353d2
FB		 630 msg.msg_flags = tswap32(msgp->msg_flags);
631
632 count = tswapl(msgp->msg_iovlen);
633 vec = alloca(count * sizeof(struct iovec));
634 target_vec = (void *)tswapl(msgp->msg_iov);
635 for(i = 0;i < count; i++) {
636 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
637 vec[i].iov_len = tswapl(target_vec[i].iov_len);
638 }
639 msg.msg_iovlen = count;
640 msg.msg_iov = vec;
641
7854b056
FB		 642 fd = tswap32(vptr[0]);
643 flags = tswap32(vptr[2]);
644 if (num == SOCKOP_sendmsg) {
645 target_to_host_cmsg(&msg, msgp);
646 ret = get_errno(sendmsg(fd, &msg, flags));
647 } else {
648 ret = get_errno(recvmsg(fd, &msg, flags));
649 if (!is_error(ret))
650 host_to_target_cmsg(msgp, &msg);
651 }
1a9353d2
FB		 652 }
653 break;
31e31b8a 654 case SOCKOP_setsockopt:
7854b056
FB		 655 {
656 int sockfd = tswap32(vptr[0]);
657 int level = tswap32(vptr[1]);
658 int optname = tswap32(vptr[2]);
659 void *optval = (void *)tswap32(vptr[3]);
660 socklen_t optlen = tswap32(vptr[4]);
661
662 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
663 }
664 break;
31e31b8a 665 case SOCKOP_getsockopt:
7854b056
FB		 666 {
667 int sockfd = tswap32(vptr[0]);
668 int level = tswap32(vptr[1]);
669 int optname = tswap32(vptr[2]);
670 void *optval = (void *)tswap32(vptr[3]);
671 uint32_t *target_len = (void *)tswap32(vptr[4]);
672 socklen_t optlen = tswap32(*target_len);
673
674 ret = do_getsockopt(sockfd, level, optname, optval, &optlen);
675 if (!is_error(ret))
676 *target_len = tswap32(optlen);
677 }
678 break;
31e31b8a
FB		 679 default:
680 gemu_log("Unsupported socketcall: %d\n", num);
681 ret = -ENOSYS;
682 break;
683 }
684 return ret;
685}
686
687/* kernel structure types definitions */
688#define IFNAMSIZ 16
689
690#define STRUCT(name, list...) STRUCT_ ## name,
691#define STRUCT_SPECIAL(name) STRUCT_ ## name,
692enum {
693#include "syscall_types.h"
694};
695#undef STRUCT
696#undef STRUCT_SPECIAL
697
698#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
699#define STRUCT_SPECIAL(name)
700#include "syscall_types.h"
701#undef STRUCT
702#undef STRUCT_SPECIAL
703
704typedef struct IOCTLEntry {
705 int target_cmd;
706 int host_cmd;
707 const char *name;
708 int access;
1a9353d2 709 const argtype arg_type[5];
31e31b8a
FB		 710} IOCTLEntry;
711
712#define IOC_R 0x0001
713#define IOC_W 0x0002
714#define IOC_RW (IOC_R | IOC_W)
715
716#define MAX_STRUCT_SIZE 4096
717
718const IOCTLEntry ioctl_entries[] = {
719#define IOCTL(cmd, access, types...) \
720 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
721#include "ioctls.h"
722 { 0, 0, },
723};
724
725static long do_ioctl(long fd, long cmd, long arg)
726{
727 const IOCTLEntry *ie;
728 const argtype *arg_type;
729 long ret;
730 uint8_t buf_temp[MAX_STRUCT_SIZE];
731
732 ie = ioctl_entries;
733 for(;;) {
734 if (ie->target_cmd == 0) {
735 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
736 return -ENOSYS;
737 }
738 if (ie->target_cmd == cmd)
739 break;
740 ie++;
741 }
742 arg_type = ie->arg_type;
9de5e440 743#if defined(DEBUG)
72f03900
FB		 744 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
745#endif
31e31b8a
FB		 746 switch(arg_type[0]) {
747 case TYPE_NULL:
748 /* no argument */
749 ret = get_errno(ioctl(fd, ie->host_cmd));
750 break;
751 case TYPE_PTRVOID:
752 case TYPE_INT:
753 /* int argment */
754 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
755 break;
756 case TYPE_PTR:
757 arg_type++;
758 switch(ie->access) {
759 case IOC_R:
760 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
761 if (!is_error(ret)) {
762 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
763 }
764 break;
765 case IOC_W:
766 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
767 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
768 break;
769 default:
770 case IOC_RW:
771 thunk_convert(buf_temp, (void *)arg, arg_type, THUNK_HOST);
772 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
773 if (!is_error(ret)) {
774 thunk_convert((void *)arg, buf_temp, arg_type, THUNK_TARGET);
775 }
776 break;
777 }
778 break;
779 default:
780 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
781 ret = -ENOSYS;
782 break;
783 }
784 return ret;
785}
786
787bitmask_transtbl iflag_tbl[] = {
788 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
789 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
790 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
791 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
792 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
793 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
794 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
795 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
796 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
797 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
798 { TARGET_IXON, TARGET_IXON, IXON, IXON },
799 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
800 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
801 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
802 { 0, 0, 0, 0 }
803};
804
805bitmask_transtbl oflag_tbl[] = {
806 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
807 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
808 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
809 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
810 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
811 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
812 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
813 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
814 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
815 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
816 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
817 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
818 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
819 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
820 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
821 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
822 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
823 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
824 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
825 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
826 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
827 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
828 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
829 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
830 { 0, 0, 0, 0 }
831};
832
833bitmask_transtbl cflag_tbl[] = {
834 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
835 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
836 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
837 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
838 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
839 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
840 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
841 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
842 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
843 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
844 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
845 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
846 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
847 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
848 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
849 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
850 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
851 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
852 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
853 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
854 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
855 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
856 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
857 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
858 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
859 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
860 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
861 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
862 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
863 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
864 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
865 { 0, 0, 0, 0 }
866};
867
868bitmask_transtbl lflag_tbl[] = {
869 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
870 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
871 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
872 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
873 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
874 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
875 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
876 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
877 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
878 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
879 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
880 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
881 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
882 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
883 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
884 { 0, 0, 0, 0 }
885};
886
887static void target_to_host_termios (void *dst, const void *src)
888{
889 struct host_termios *host = dst;
890 const struct target_termios *target = src;
891
892 host->c_iflag =
893 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
894 host->c_oflag =
895 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
896 host->c_cflag =
897 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
898 host->c_lflag =
899 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
900 host->c_line = target->c_line;
901
902 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
903 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
904 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
905 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
906 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
907 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
908 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
909 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
910 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
911 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
912 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
913 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
914 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
915 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
916 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
917 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
918 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
919}
920
921static void host_to_target_termios (void *dst, const void *src)
922{
923 struct target_termios *target = dst;
924 const struct host_termios *host = src;
925
926 target->c_iflag =
927 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
928 target->c_oflag =
929 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
930 target->c_cflag =
931 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
932 target->c_lflag =
933 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
934 target->c_line = host->c_line;
935
936 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
937 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
938 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
939 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
940 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
941 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
942 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
943 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
944 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
945 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
946 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
947 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
948 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
949 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
950 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
951 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
952 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
953}
954
955StructEntry struct_termios_def = {
956 .convert = { host_to_target_termios, target_to_host_termios },
957 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
958 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
959};
960
6dbad63e
FB		 961#ifdef TARGET_I386
962
963/* NOTE: there is really one LDT for all the threads */
964uint8_t *ldt_table;
965
966static int read_ldt(void *ptr, unsigned long bytecount)
967{
968 int size;
969
970 if (!ldt_table)
971 return 0;
972 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
973 if (size > bytecount)
974 size = bytecount;
975 memcpy(ptr, ldt_table, size);
976 return size;
977}
978
979/* XXX: add locking support */
980static int write_ldt(CPUX86State *env,
981 void *ptr, unsigned long bytecount, int oldmode)
982{
983 struct target_modify_ldt_ldt_s ldt_info;
984 int seg_32bit, contents, read_exec_only, limit_in_pages;
985 int seg_not_present, useable;
986 uint32_t *lp, entry_1, entry_2;
987
988 if (bytecount != sizeof(ldt_info))
989 return -EINVAL;
990 memcpy(&ldt_info, ptr, sizeof(ldt_info));
991 tswap32s(&ldt_info.entry_number);
992 tswapls((long *)&ldt_info.base_addr);
993 tswap32s(&ldt_info.limit);
994 tswap32s(&ldt_info.flags);
995
996 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
997 return -EINVAL;
998 seg_32bit = ldt_info.flags & 1;
999 contents = (ldt_info.flags >> 1) & 3;
1000 read_exec_only = (ldt_info.flags >> 3) & 1;
1001 limit_in_pages = (ldt_info.flags >> 4) & 1;
1002 seg_not_present = (ldt_info.flags >> 5) & 1;
1003 useable = (ldt_info.flags >> 6) & 1;
1004
1005 if (contents == 3) {
1006 if (oldmode)
1007 return -EINVAL;
1008 if (seg_not_present == 0)
1009 return -EINVAL;
1010 }
1011 /* allocate the LDT */
1012 if (!ldt_table) {
1013 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1014 if (!ldt_table)
1015 return -ENOMEM;
1016 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1017 env->ldt.base = ldt_table;
1018 env->ldt.limit = 0xffff;
1019 }
1020
1021 /* NOTE: same code as Linux kernel */
1022 /* Allow LDTs to be cleared by the user. */
1023 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1024 if (oldmode ||
1025 (contents == 0 &&
1026 read_exec_only == 1 &&
1027 seg_32bit == 0 &&
1028 limit_in_pages == 0 &&
1029 seg_not_present == 1 &&
1030 useable == 0 )) {
1031 entry_1 = 0;
1032 entry_2 = 0;
1033 goto install;
1034 }
1035 }
1036
1037 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1038 (ldt_info.limit & 0x0ffff);
1039 entry_2 = (ldt_info.base_addr & 0xff000000) |
1040 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1041 (ldt_info.limit & 0xf0000) |
1042 ((read_exec_only ^ 1) << 9) |
1043 (contents << 10) |
1044 ((seg_not_present ^ 1) << 15) |
1045 (seg_32bit << 22) |
1046 (limit_in_pages << 23) |
1047 0x7000;
1048 if (!oldmode)
1049 entry_2 |= (useable << 20);
1050
1051 /* Install the new entry ... */
1052install:
1053 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1054 lp[0] = tswap32(entry_1);
1055 lp[1] = tswap32(entry_2);
1056 return 0;
1057}
1058
1059/* specific and weird i386 syscalls */
5cd4393b 1060int do_modify_ldt(CPUX86State *env, int func, void *ptr, unsigned long bytecount)
6dbad63e
FB		 1061{
1062 int ret = -ENOSYS;
1063
1064 switch (func) {
1065 case 0:
1066 ret = read_ldt(ptr, bytecount);
1067 break;
1068 case 1:
1069 ret = write_ldt(env, ptr, bytecount, 1);
1070 break;
1071 case 0x11:
1072 ret = write_ldt(env, ptr, bytecount, 0);
1073 break;
1074 }
1075 return ret;
1076}
1b6b029e
FB		 1077
1078/* this stack is the equivalent of the kernel stack associated with a
1079 thread/process */
1080#define NEW_STACK_SIZE 8192
1081
1082static int clone_func(void *arg)
1083{
1084 CPUX86State *env = arg;
1085 cpu_loop(env);
1086 /* never exits */
1087 return 0;
1088}
1089
1090int do_fork(CPUX86State *env, unsigned int flags, unsigned long newsp)
1091{
1092 int ret;
5cd4393b 1093 TaskState *ts;
1b6b029e
FB		 1094 uint8_t *new_stack;
1095 CPUX86State *new_env;
1096
1097 if (flags & CLONE_VM) {
1098 if (!newsp)
1099 newsp = env->regs[R_ESP];
5cd4393b
FB		 1100 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1101 memset(ts, 0, sizeof(TaskState));
1102 new_stack = ts->stack;
1103 ts->used = 1;
1104 /* add in task state list */
1105 ts->next = first_task_state;
1106 first_task_state = ts;
1b6b029e
FB		 1107 /* we create a new CPU instance. */
1108 new_env = cpu_x86_init();
1109 memcpy(new_env, env, sizeof(CPUX86State));
1110 new_env->regs[R_ESP] = newsp;
1111 new_env->regs[R_EAX] = 0;
5cd4393b 1112 new_env->opaque = ts;
27725c1d
FB		 1113#ifdef __ia64__
1114 ret = clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1115#else
1116 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1117#endif
1b6b029e
FB		 1118 } else {
1119 /* if no CLONE_VM, we consider it is a fork */
1120 if ((flags & ~CSIGNAL) != 0)
1121 return -EINVAL;
1122 ret = fork();
1123 }
1124 return ret;
1125}
1126
6dbad63e
FB		 1127#endif
1128
7775e9ec
FB		 1129static long do_fcntl(int fd, int cmd, unsigned long arg)
1130{
1131 struct flock fl;
1132 struct target_flock *target_fl = (void *)arg;
1133 long ret;
1134
1135 switch(cmd) {
1136 case TARGET_F_GETLK:
1137 ret = fcntl(fd, cmd, &fl);
1138 if (ret == 0) {
1139 target_fl->l_type = tswap16(fl.l_type);
1140 target_fl->l_whence = tswap16(fl.l_whence);
1141 target_fl->l_start = tswapl(fl.l_start);
1142 target_fl->l_len = tswapl(fl.l_len);
1143 target_fl->l_pid = tswapl(fl.l_pid);
1144 }
1145 break;
1146
1147 case TARGET_F_SETLK:
1148 case TARGET_F_SETLKW:
1149 fl.l_type = tswap16(target_fl->l_type);
1150 fl.l_whence = tswap16(target_fl->l_whence);
1151 fl.l_start = tswapl(target_fl->l_start);
1152 fl.l_len = tswapl(target_fl->l_len);
1153 fl.l_pid = tswapl(target_fl->l_pid);
1154 ret = fcntl(fd, cmd, &fl);
1155 break;
1156
1157 case TARGET_F_GETLK64:
1158 case TARGET_F_SETLK64:
1159 case TARGET_F_SETLKW64:
1160 ret = -1;
1161 errno = EINVAL;
1162 break;
1163
1164 default:
1165 ret = fcntl(fd, cmd, arg);
1166 break;
1167 }
1168 return ret;
1169}
1170
1171
b03c60f3
FB		 1172#define high2lowuid(x) (x)
1173#define high2lowgid(x) (x)
1174#define low2highuid(x) (x)
1175#define low2highgid(x) (x)
1b6b029e 1176
31e31b8a
FB		 1177void syscall_init(void)
1178{
1179#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1180#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1181#include "syscall_types.h"
1182#undef STRUCT
1183#undef STRUCT_SPECIAL
1184}
1185
6dbad63e 1186long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 1187 long arg4, long arg5, long arg6)
1188{
1189 long ret;
1190 struct stat st;
72f03900 1191 struct kernel_statfs *stfs;
31e31b8a 1192
72f03900
FB		 1193#ifdef DEBUG
1194 gemu_log("syscall %d\n", num);
1195#endif
31e31b8a
FB		 1196 switch(num) {
1197 case TARGET_NR_exit:
7d13299d
FB		 1198#ifdef HAVE_GPROF
1199 _mcleanup();
1200#endif
1b6b029e 1201 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 1202 _exit(arg1);
1203 ret = 0; /* avoid warning */
1204 break;
1205 case TARGET_NR_read:
206f0fa7 1206 page_unprotect_range((void *)arg2, arg3);
31e31b8a
FB		 1207 ret = get_errno(read(arg1, (void *)arg2, arg3));
1208 break;
1209 case TARGET_NR_write:
1210 ret = get_errno(write(arg1, (void *)arg2, arg3));
1211 break;
1212 case TARGET_NR_open:
ec86b0fb 1213 ret = get_errno(open(path((const char *)arg1), arg2, arg3));
31e31b8a
FB		 1214 break;
1215 case TARGET_NR_close:
1216 ret = get_errno(close(arg1));
1217 break;
1218 case TARGET_NR_brk:
1219 ret = do_brk((char *)arg1);
1220 break;
1221 case TARGET_NR_fork:
1b6b029e 1222 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a
FB		 1223 break;
1224 case TARGET_NR_waitpid:
1225 {
1226 int *status = (int *)arg2;
1227 ret = get_errno(waitpid(arg1, status, arg3));
1228 if (!is_error(ret) && status)
1229 tswapls((long *)&status);
1230 }
1231 break;
1232 case TARGET_NR_creat:
1233 ret = get_errno(creat((const char *)arg1, arg2));
1234 break;
1235 case TARGET_NR_link:
1236 ret = get_errno(link((const char *)arg1, (const char *)arg2));
1237 break;
1238 case TARGET_NR_unlink:
1239 ret = get_errno(unlink((const char *)arg1));
1240 break;
1241 case TARGET_NR_execve:
7854b056
FB		 1242 {
1243 char **argp, **envp;
f7341ff4 1244 int argc, envc;
7854b056
FB		 1245 uint32_t *p;
1246 char **q;
1247
f7341ff4 1248 argc = 0;
7854b056
FB		 1249 for (p = (void *)arg2; *p; p++)
1250 argc++;
f7341ff4 1251 envc = 0;
7854b056
FB		 1252 for (p = (void *)arg3; *p; p++)
1253 envc++;
1254
f7341ff4
FB		 1255 argp = alloca((argc + 1) * sizeof(void *));
1256 envp = alloca((envc + 1) * sizeof(void *));
7854b056
FB		 1257
1258 for (p = (void *)arg2, q = argp; *p; p++, q++)
1259 *q = (void *)tswap32(*p);
f7341ff4
FB		 1260 *q = NULL;
1261
7854b056
FB		 1262 for (p = (void *)arg3, q = envp; *p; p++, q++)
1263 *q = (void *)tswap32(*p);
f7341ff4 1264 *q = NULL;
7854b056
FB		 1265
1266 ret = get_errno(execve((const char *)arg1, argp, envp));
1267 }
31e31b8a
FB		 1268 break;
1269 case TARGET_NR_chdir:
1270 ret = get_errno(chdir((const char *)arg1));
1271 break;
1272 case TARGET_NR_time:
1273 {
1274 int *time_ptr = (int *)arg1;
1275 ret = get_errno(time((time_t *)time_ptr));
1276 if (!is_error(ret) && time_ptr)
1277 tswap32s(time_ptr);
1278 }
1279 break;
1280 case TARGET_NR_mknod:
1281 ret = get_errno(mknod((const char *)arg1, arg2, arg3));
1282 break;
1283 case TARGET_NR_chmod:
1284 ret = get_errno(chmod((const char *)arg1, arg2));
1285 break;
1286 case TARGET_NR_lchown:
1287 ret = get_errno(chown((const char *)arg1, arg2, arg3));
1288 break;
1289 case TARGET_NR_break:
1290 goto unimplemented;
1291 case TARGET_NR_oldstat:
1292 goto unimplemented;
1293 case TARGET_NR_lseek:
1294 ret = get_errno(lseek(arg1, arg2, arg3));
1295 break;
1296 case TARGET_NR_getpid:
1297 ret = get_errno(getpid());
1298 break;
1299 case TARGET_NR_mount:
1300 /* need to look at the data field */
1301 goto unimplemented;
1302 case TARGET_NR_umount:
1303 ret = get_errno(umount((const char *)arg1));
1304 break;
1305 case TARGET_NR_setuid:
b03c60f3 1306 ret = get_errno(setuid(low2highuid(arg1)));
31e31b8a
FB		 1307 break;
1308 case TARGET_NR_getuid:
1309 ret = get_errno(getuid());
1310 break;
1311 case TARGET_NR_stime:
1312 {
1313 int *time_ptr = (int *)arg1;
1314 if (time_ptr)
1315 tswap32s(time_ptr);
1316 ret = get_errno(stime((time_t *)time_ptr));
1317 }
1318 break;
1319 case TARGET_NR_ptrace:
1320 goto unimplemented;
1321 case TARGET_NR_alarm:
1322 ret = alarm(arg1);
1323 break;
1324 case TARGET_NR_oldfstat:
1325 goto unimplemented;
1326 case TARGET_NR_pause:
1327 ret = get_errno(pause());
1328 break;
1329 case TARGET_NR_utime:
1330 goto unimplemented;
1331 case TARGET_NR_stty:
1332 goto unimplemented;
1333 case TARGET_NR_gtty:
1334 goto unimplemented;
1335 case TARGET_NR_access:
1336 ret = get_errno(access((const char *)arg1, arg2));
1337 break;
1338 case TARGET_NR_nice:
1339 ret = get_errno(nice(arg1));
1340 break;
1341 case TARGET_NR_ftime:
1342 goto unimplemented;
1343 case TARGET_NR_sync:
04369ff2
FB		 1344 sync();
1345 ret = 0;
31e31b8a
FB		 1346 break;
1347 case TARGET_NR_kill:
1348 ret = get_errno(kill(arg1, arg2));
1349 break;
1350 case TARGET_NR_rename:
1351 ret = get_errno(rename((const char *)arg1, (const char *)arg2));
1352 break;
1353 case TARGET_NR_mkdir:
1354 ret = get_errno(mkdir((const char *)arg1, arg2));
1355 break;
1356 case TARGET_NR_rmdir:
1357 ret = get_errno(rmdir((const char *)arg1));
1358 break;
1359 case TARGET_NR_dup:
1360 ret = get_errno(dup(arg1));
1361 break;
1362 case TARGET_NR_pipe:
1363 {
1364 int *pipe_ptr = (int *)arg1;
1365 ret = get_errno(pipe(pipe_ptr));
1366 if (!is_error(ret)) {
1367 tswap32s(&pipe_ptr[0]);
1368 tswap32s(&pipe_ptr[1]);
1369 }
1370 }
1371 break;
1372 case TARGET_NR_times:
32f36bce
FB		 1373 {
1374 struct target_tms *tmsp = (void *)arg1;
1375 struct tms tms;
1376 ret = get_errno(times(&tms));
1377 if (tmsp) {
1378 tmsp->tms_utime = tswapl(tms.tms_utime);
1379 tmsp->tms_stime = tswapl(tms.tms_stime);
1380 tmsp->tms_cutime = tswapl(tms.tms_cutime);
1381 tmsp->tms_cstime = tswapl(tms.tms_cstime);
1382 }
1383 }
1384 break;
31e31b8a
FB		 1385 case TARGET_NR_prof:
1386 goto unimplemented;
1387 case TARGET_NR_setgid:
b03c60f3 1388 ret = get_errno(setgid(low2highgid(arg1)));
31e31b8a
FB		 1389 break;
1390 case TARGET_NR_getgid:
1391 ret = get_errno(getgid());
1392 break;
1393 case TARGET_NR_signal:
1394 goto unimplemented;
1395 case TARGET_NR_geteuid:
1396 ret = get_errno(geteuid());
1397 break;
1398 case TARGET_NR_getegid:
1399 ret = get_errno(getegid());
1400 break;
1401 case TARGET_NR_acct:
1402 goto unimplemented;
1403 case TARGET_NR_umount2:
1404 ret = get_errno(umount2((const char *)arg1, arg2));
1405 break;
1406 case TARGET_NR_lock:
1407 goto unimplemented;
1408 case TARGET_NR_ioctl:
1409 ret = do_ioctl(arg1, arg2, arg3);
1410 break;
1411 case TARGET_NR_fcntl:
7775e9ec 1412 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a
FB		 1413 break;
1414 case TARGET_NR_mpx:
1415 goto unimplemented;
1416 case TARGET_NR_setpgid:
1417 ret = get_errno(setpgid(arg1, arg2));
1418 break;
1419 case TARGET_NR_ulimit:
1420 goto unimplemented;
1421 case TARGET_NR_oldolduname:
1422 goto unimplemented;
1423 case TARGET_NR_umask:
1424 ret = get_errno(umask(arg1));
1425 break;
1426 case TARGET_NR_chroot:
1427 ret = get_errno(chroot((const char *)arg1));
1428 break;
1429 case TARGET_NR_ustat:
1430 goto unimplemented;
1431 case TARGET_NR_dup2:
1432 ret = get_errno(dup2(arg1, arg2));
1433 break;
1434 case TARGET_NR_getppid:
1435 ret = get_errno(getppid());
1436 break;
1437 case TARGET_NR_getpgrp:
1438 ret = get_errno(getpgrp());
1439 break;
1440 case TARGET_NR_setsid:
1441 ret = get_errno(setsid());
1442 break;
1443 case TARGET_NR_sigaction:
31e31b8a 1444 {
66fb9763
FB		 1445 struct target_old_sigaction *old_act = (void *)arg2;
1446 struct target_old_sigaction *old_oact = (void *)arg3;
1447 struct target_sigaction act, oact, *pact;
1448 if (old_act) {
1449 act._sa_handler = old_act->_sa_handler;
1450 target_siginitset(&act.sa_mask, old_act->sa_mask);
1451 act.sa_flags = old_act->sa_flags;
1452 act.sa_restorer = old_act->sa_restorer;
1453 pact = &act;
1454 } else {
1455 pact = NULL;
1456 }
1457 ret = get_errno(do_sigaction(arg1, pact, &oact));
1458 if (!is_error(ret) && old_oact) {
1459 old_oact->_sa_handler = oact._sa_handler;
1460 old_oact->sa_mask = oact.sa_mask.sig[0];
1461 old_oact->sa_flags = oact.sa_flags;
1462 old_oact->sa_restorer = oact.sa_restorer;
1463 }
31e31b8a
FB		 1464 }
1465 break;
66fb9763
FB		 1466 case TARGET_NR_rt_sigaction:
1467 ret = get_errno(do_sigaction(arg1, (void *)arg2, (void *)arg3));
1468 break;
31e31b8a 1469 case TARGET_NR_sgetmask:
66fb9763
FB		 1470 {
1471 sigset_t cur_set;
1472 target_ulong target_set;
1473 sigprocmask(0, NULL, &cur_set);
1474 host_to_target_old_sigset(&target_set, &cur_set);
1475 ret = target_set;
1476 }
1477 break;
31e31b8a 1478 case TARGET_NR_ssetmask:
66fb9763
FB		 1479 {
1480 sigset_t set, oset, cur_set;
1481 target_ulong target_set = arg1;
1482 sigprocmask(0, NULL, &cur_set);
1483 target_to_host_old_sigset(&set, &target_set);
1484 sigorset(&set, &set, &cur_set);
1485 sigprocmask(SIG_SETMASK, &set, &oset);
1486 host_to_target_old_sigset(&target_set, &oset);
1487 ret = target_set;
1488 }
1489 break;
1490 case TARGET_NR_sigprocmask:
1491 {
1492 int how = arg1;
1493 sigset_t set, oldset, *set_ptr;
1494 target_ulong *pset = (void *)arg2, *poldset = (void *)arg3;
1495
1496 if (pset) {
1497 switch(how) {
1498 case TARGET_SIG_BLOCK:
1499 how = SIG_BLOCK;
1500 break;
1501 case TARGET_SIG_UNBLOCK:
1502 how = SIG_UNBLOCK;
1503 break;
1504 case TARGET_SIG_SETMASK:
1505 how = SIG_SETMASK;
1506 break;
1507 default:
1508 ret = -EINVAL;
1509 goto fail;
1510 }
1511 target_to_host_old_sigset(&set, pset);
1512 set_ptr = &set;
1513 } else {
1514 how = 0;
1515 set_ptr = NULL;
1516 }
1517 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
1518 if (!is_error(ret) && poldset) {
1519 host_to_target_old_sigset(poldset, &oldset);
1520 }
1521 }
1522 break;
1523 case TARGET_NR_rt_sigprocmask:
1524 {
1525 int how = arg1;
1526 sigset_t set, oldset, *set_ptr;
1527 target_sigset_t *pset = (void *)arg2;
1528 target_sigset_t *poldset = (void *)arg3;
1529
1530 if (pset) {
1531 switch(how) {
1532 case TARGET_SIG_BLOCK:
1533 how = SIG_BLOCK;
1534 break;
1535 case TARGET_SIG_UNBLOCK:
1536 how = SIG_UNBLOCK;
1537 break;
1538 case TARGET_SIG_SETMASK:
1539 how = SIG_SETMASK;
1540 break;
1541 default:
1542 ret = -EINVAL;
1543 goto fail;
1544 }
1545 target_to_host_sigset(&set, pset);
1546 set_ptr = &set;
1547 } else {
1548 how = 0;
1549 set_ptr = NULL;
1550 }
1551 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
1552 if (!is_error(ret) && poldset) {
1553 host_to_target_sigset(poldset, &oldset);
1554 }
1555 }
1556 break;
1557 case TARGET_NR_sigpending:
1558 {
1559 sigset_t set;
1560 ret = get_errno(sigpending(&set));
1561 if (!is_error(ret)) {
1562 host_to_target_old_sigset((target_ulong *)arg1, &set);
1563 }
1564 }
1565 break;
1566 case TARGET_NR_rt_sigpending:
1567 {
1568 sigset_t set;
1569 ret = get_errno(sigpending(&set));
1570 if (!is_error(ret)) {
1571 host_to_target_sigset((target_sigset_t *)arg1, &set);
1572 }
1573 }
1574 break;
1575 case TARGET_NR_sigsuspend:
1576 {
1577 sigset_t set;
1578 target_to_host_old_sigset(&set, (target_ulong *)arg1);
1579 ret = get_errno(sigsuspend(&set));
1580 }
1581 break;
1582 case TARGET_NR_rt_sigsuspend:
1583 {
1584 sigset_t set;
1585 target_to_host_sigset(&set, (target_sigset_t *)arg1);
1586 ret = get_errno(sigsuspend(&set));
1587 }
1588 break;
1589 case TARGET_NR_rt_sigtimedwait:
1590 {
1591 target_sigset_t *target_set = (void *)arg1;
1592 target_siginfo_t *target_uinfo = (void *)arg2;
1593 struct target_timespec *target_uts = (void *)arg3;
1594 sigset_t set;
1595 struct timespec uts, *puts;
1596 siginfo_t uinfo;
1597
1598 target_to_host_sigset(&set, target_set);
1599 if (target_uts) {
1600 puts = &uts;
1601 puts->tv_sec = tswapl(target_uts->tv_sec);
1602 puts->tv_nsec = tswapl(target_uts->tv_nsec);
1603 } else {
1604 puts = NULL;
1605 }
1606 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
1607 if (!is_error(ret) && target_uinfo) {
1608 host_to_target_siginfo(target_uinfo, &uinfo);
1609 }
1610 }
1611 break;
1612 case TARGET_NR_rt_sigqueueinfo:
1613 {
1614 siginfo_t uinfo;
1615 target_to_host_siginfo(&uinfo, (target_siginfo_t *)arg3);
1616 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
1617 }
1618 break;
1619 case TARGET_NR_sigreturn:
1620 /* NOTE: ret is eax, so not transcoding must be done */
1621 ret = do_sigreturn(cpu_env);
1622 break;
1623 case TARGET_NR_rt_sigreturn:
1624 /* NOTE: ret is eax, so not transcoding must be done */
1625 ret = do_rt_sigreturn(cpu_env);
1626 break;
31e31b8a
FB		 1627 case TARGET_NR_setreuid:
1628 ret = get_errno(setreuid(arg1, arg2));
1629 break;
1630 case TARGET_NR_setregid:
1631 ret = get_errno(setregid(arg1, arg2));
1632 break;
31e31b8a
FB		 1633 case TARGET_NR_sethostname:
1634 ret = get_errno(sethostname((const char *)arg1, arg2));
1635 break;
1636 case TARGET_NR_setrlimit:
9de5e440
FB		 1637 {
1638 /* XXX: convert resource ? */
1639 int resource = arg1;
1640 struct target_rlimit *target_rlim = (void *)arg2;
1641 struct rlimit rlim;
1642 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
1643 rlim.rlim_max = tswapl(target_rlim->rlim_max);
1644 ret = get_errno(setrlimit(resource, &rlim));
1645 }
1646 break;
31e31b8a 1647 case TARGET_NR_getrlimit:
9de5e440
FB		 1648 {
1649 /* XXX: convert resource ? */
1650 int resource = arg1;
1651 struct target_rlimit *target_rlim = (void *)arg2;
1652 struct rlimit rlim;
1653
1654 ret = get_errno(getrlimit(resource, &rlim));
1655 if (!is_error(ret)) {
1656 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
1657 target_rlim->rlim_max = tswapl(rlim.rlim_max);
1658 }
1659 }
1660 break;
31e31b8a 1661 case TARGET_NR_getrusage:
b409186b
FB		 1662 {
1663 struct rusage rusage;
1664 struct target_rusage *target_rusage = (void *)arg2;
1665 ret = get_errno(getrusage(arg1, &rusage));
1666 if (!is_error(ret)) {
1667 host_to_target_rusage(target_rusage, &rusage);
1668 }
1669 }
1670 break;
31e31b8a
FB		 1671 case TARGET_NR_gettimeofday:
1672 {
1673 struct target_timeval *target_tv = (void *)arg1;
1674 struct timeval tv;
1675 ret = get_errno(gettimeofday(&tv, NULL));
1676 if (!is_error(ret)) {
5cd4393b 1677 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 1678 }
1679 }
1680 break;
1681 case TARGET_NR_settimeofday:
1682 {
1683 struct target_timeval *target_tv = (void *)arg1;
1684 struct timeval tv;
5cd4393b 1685 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 1686 ret = get_errno(settimeofday(&tv, NULL));
1687 }
1688 break;
1689 case TARGET_NR_getgroups:
19b84f3c
FB		 1690 {
1691 int gidsetsize = arg1;
1692 uint16_t *target_grouplist = (void *)arg2;
1693 gid_t *grouplist;
1694 int i;
1695
1696 grouplist = alloca(gidsetsize * sizeof(gid_t));
1697 ret = get_errno(getgroups(gidsetsize, grouplist));
1698 if (!is_error(ret)) {
1699 for(i = 0;i < gidsetsize; i++)
1700 target_grouplist[i] = tswap16(grouplist[i]);
1701 }
1702 }
1703 break;
31e31b8a 1704 case TARGET_NR_setgroups:
19b84f3c
FB		 1705 {
1706 int gidsetsize = arg1;
1707 uint16_t *target_grouplist = (void *)arg2;
1708 gid_t *grouplist;
1709 int i;
1710
1711 grouplist = alloca(gidsetsize * sizeof(gid_t));
1712 for(i = 0;i < gidsetsize; i++)
1713 grouplist[i] = tswap16(target_grouplist[i]);
1714 ret = get_errno(setgroups(gidsetsize, grouplist));
1715 }
1716 break;
31e31b8a
FB		 1717 case TARGET_NR_select:
1718 goto unimplemented;
1719 case TARGET_NR_symlink:
1720 ret = get_errno(symlink((const char *)arg1, (const char *)arg2));
1721 break;
1722 case TARGET_NR_oldlstat:
1723 goto unimplemented;
1724 case TARGET_NR_readlink:
ec86b0fb 1725 ret = get_errno(readlink(path((const char *)arg1), (char *)arg2, arg3));
31e31b8a
FB		 1726 break;
1727 case TARGET_NR_uselib:
1728 goto unimplemented;
1729 case TARGET_NR_swapon:
1730 ret = get_errno(swapon((const char *)arg1, arg2));
1731 break;
1732 case TARGET_NR_reboot:
1733 goto unimplemented;
1734 case TARGET_NR_readdir:
1735 goto unimplemented;
1736#ifdef TARGET_I386
1737 case TARGET_NR_mmap:
1738 {
1739 uint32_t v1, v2, v3, v4, v5, v6, *vptr;
1740 vptr = (uint32_t *)arg1;
1741 v1 = tswap32(vptr[0]);
1742 v2 = tswap32(vptr[1]);
1743 v3 = tswap32(vptr[2]);
1744 v4 = tswap32(vptr[3]);
1745 v5 = tswap32(vptr[4]);
1746 v6 = tswap32(vptr[5]);
54936004 1747 ret = get_errno(target_mmap(v1, v2, v3, v4, v5, v6));
31e31b8a
FB		 1748 }
1749 break;
1750#endif
1751#ifdef TARGET_I386
1752 case TARGET_NR_mmap2:
1753#else
1754 case TARGET_NR_mmap:
1755#endif
54936004 1756 ret = get_errno(target_mmap(arg1, arg2, arg3, arg4, arg5, arg6));
31e31b8a
FB		 1757 break;
1758 case TARGET_NR_munmap:
54936004 1759 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 1760 break;
9de5e440 1761 case TARGET_NR_mprotect:
54936004 1762 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440
FB		 1763 break;
1764 case TARGET_NR_mremap:
54936004 1765 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440
FB		 1766 break;
1767 case TARGET_NR_msync:
1768 ret = get_errno(msync((void *)arg1, arg2, arg3));
1769 break;
1770 case TARGET_NR_mlock:
1771 ret = get_errno(mlock((void *)arg1, arg2));
1772 break;
1773 case TARGET_NR_munlock:
1774 ret = get_errno(munlock((void *)arg1, arg2));
1775 break;
1776 case TARGET_NR_mlockall:
1777 ret = get_errno(mlockall(arg1));
1778 break;
1779 case TARGET_NR_munlockall:
1780 ret = get_errno(munlockall());
1781 break;
31e31b8a
FB		 1782 case TARGET_NR_truncate:
1783 ret = get_errno(truncate((const char *)arg1, arg2));
1784 break;
1785 case TARGET_NR_ftruncate:
1786 ret = get_errno(ftruncate(arg1, arg2));
1787 break;
1788 case TARGET_NR_fchmod:
1789 ret = get_errno(fchmod(arg1, arg2));
1790 break;
1791 case TARGET_NR_fchown:
1792 ret = get_errno(fchown(arg1, arg2, arg3));
1793 break;
1794 case TARGET_NR_getpriority:
1795 ret = get_errno(getpriority(arg1, arg2));
1796 break;
1797 case TARGET_NR_setpriority:
1798 ret = get_errno(setpriority(arg1, arg2, arg3));
1799 break;
1800 case TARGET_NR_profil:
1801 goto unimplemented;
1802 case TARGET_NR_statfs:
1803 stfs = (void *)arg2;
ec86b0fb 1804 ret = get_errno(sys_statfs(path((const char *)arg1), stfs));
31e31b8a
FB		 1805 convert_statfs:
1806 if (!is_error(ret)) {
1807 tswap32s(&stfs->f_type);
1808 tswap32s(&stfs->f_bsize);
1809 tswap32s(&stfs->f_blocks);
1810 tswap32s(&stfs->f_bfree);
1811 tswap32s(&stfs->f_bavail);
1812 tswap32s(&stfs->f_files);
1813 tswap32s(&stfs->f_ffree);
1814 tswap32s(&stfs->f_fsid.val[0]);
1815 tswap32s(&stfs->f_fsid.val[1]);
1816 tswap32s(&stfs->f_namelen);
1817 }
1818 break;
1819 case TARGET_NR_fstatfs:
1820 stfs = (void *)arg2;
1821 ret = get_errno(sys_fstatfs(arg1, stfs));
1822 goto convert_statfs;
1823 case TARGET_NR_ioperm:
1824 goto unimplemented;
1825 case TARGET_NR_socketcall:
7854b056 1826 ret = do_socketcall(arg1, (int32_t *)arg2);
31e31b8a
FB		 1827 break;
1828 case TARGET_NR_syslog:
1829 goto unimplemented;
1830 case TARGET_NR_setitimer:
66fb9763
FB		 1831 {
1832 struct target_itimerval *target_value = (void *)arg2;
1833 struct target_itimerval *target_ovalue = (void *)arg3;
1834 struct itimerval value, ovalue, *pvalue;
1835
1836 if (target_value) {
1837 pvalue = &value;
1838 target_to_host_timeval(&pvalue->it_interval,
1839 &target_value->it_interval);
1840 target_to_host_timeval(&pvalue->it_value,
1841 &target_value->it_value);
1842 } else {
1843 pvalue = NULL;
1844 }
1845 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
1846 if (!is_error(ret) && target_ovalue) {
1847 host_to_target_timeval(&target_ovalue->it_interval,
1848 &ovalue.it_interval);
1849 host_to_target_timeval(&target_ovalue->it_value,
1850 &ovalue.it_value);
1851 }
1852 }
1853 break;
31e31b8a 1854 case TARGET_NR_getitimer:
66fb9763
FB		 1855 {
1856 struct target_itimerval *target_value = (void *)arg2;
1857 struct itimerval value;
1858
1859 ret = get_errno(getitimer(arg1, &value));
1860 if (!is_error(ret) && target_value) {
1861 host_to_target_timeval(&target_value->it_interval,
1862 &value.it_interval);
1863 host_to_target_timeval(&target_value->it_value,
1864 &value.it_value);
1865 }
1866 }
1867 break;
31e31b8a 1868 case TARGET_NR_stat:
ec86b0fb 1869 ret = get_errno(stat(path((const char *)arg1), &st));
31e31b8a
FB		 1870 goto do_stat;
1871 case TARGET_NR_lstat:
ec86b0fb 1872 ret = get_errno(lstat(path((const char *)arg1), &st));
31e31b8a
FB		 1873 goto do_stat;
1874 case TARGET_NR_fstat:
1875 {
1876 ret = get_errno(fstat(arg1, &st));
1877 do_stat:
1878 if (!is_error(ret)) {
1879 struct target_stat *target_st = (void *)arg2;
1880 target_st->st_dev = tswap16(st.st_dev);
1881 target_st->st_ino = tswapl(st.st_ino);
ec86b0fb 1882 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 1883 target_st->st_nlink = tswap16(st.st_nlink);
1884 target_st->st_uid = tswap16(st.st_uid);
1885 target_st->st_gid = tswap16(st.st_gid);
1886 target_st->st_rdev = tswap16(st.st_rdev);
1887 target_st->st_size = tswapl(st.st_size);
1888 target_st->st_blksize = tswapl(st.st_blksize);
1889 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 1890 target_st->target_st_atime = tswapl(st.st_atime);
1891 target_st->target_st_mtime = tswapl(st.st_mtime);
1892 target_st->target_st_ctime = tswapl(st.st_ctime);
31e31b8a
FB		 1893 }
1894 }
1895 break;
1896 case TARGET_NR_olduname:
1897 goto unimplemented;
1898 case TARGET_NR_iopl:
1899 goto unimplemented;
1900 case TARGET_NR_vhangup:
1901 ret = get_errno(vhangup());
1902 break;
1903 case TARGET_NR_idle:
1904 goto unimplemented;
31e31b8a
FB		 1905 case TARGET_NR_wait4:
1906 {
1907 int status;
1908 target_long *status_ptr = (void *)arg2;
1909 struct rusage rusage, *rusage_ptr;
1910 struct target_rusage *target_rusage = (void *)arg4;
1911 if (target_rusage)
1912 rusage_ptr = &rusage;
1913 else
1914 rusage_ptr = NULL;
1915 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
1916 if (!is_error(ret)) {
1917 if (status_ptr)
1918 *status_ptr = tswap32(status);
1919 if (target_rusage) {
b409186b 1920 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 1921 }
1922 }
1923 }
1924 break;
1925 case TARGET_NR_swapoff:
1926 ret = get_errno(swapoff((const char *)arg1));
1927 break;
1928 case TARGET_NR_sysinfo:
1929 goto unimplemented;
1930 case TARGET_NR_ipc:
1931 goto unimplemented;
1932 case TARGET_NR_fsync:
1933 ret = get_errno(fsync(arg1));
1934 break;
31e31b8a 1935 case TARGET_NR_clone:
1b6b029e
FB		 1936 ret = get_errno(do_fork(cpu_env, arg1, arg2));
1937 break;
ec86b0fb
FB		 1938#ifdef __NR_exit_group
1939 /* new thread calls */
1940 case TARGET_NR_exit_group:
1941 ret = get_errno(exit_group(arg1));
1942 break;
1943#endif
31e31b8a
FB		 1944 case TARGET_NR_setdomainname:
1945 ret = get_errno(setdomainname((const char *)arg1, arg2));
1946 break;
1947 case TARGET_NR_uname:
1948 /* no need to transcode because we use the linux syscall */
1949 ret = get_errno(sys_uname((struct new_utsname *)arg1));
1950 break;
6dbad63e 1951#ifdef TARGET_I386
31e31b8a 1952 case TARGET_NR_modify_ldt:
5cd4393b
FB		 1953 ret = get_errno(do_modify_ldt(cpu_env, arg1, (void *)arg2, arg3));
1954 break;
1955 case TARGET_NR_vm86old:
1956 goto unimplemented;
1957 case TARGET_NR_vm86:
1958 ret = do_vm86(cpu_env, arg1, (void *)arg2);
6dbad63e
FB		 1959 break;
1960#endif
31e31b8a
FB		 1961 case TARGET_NR_adjtimex:
1962 goto unimplemented;
31e31b8a
FB		 1963 case TARGET_NR_create_module:
1964 case TARGET_NR_init_module:
1965 case TARGET_NR_delete_module:
1966 case TARGET_NR_get_kernel_syms:
1967 goto unimplemented;
1968 case TARGET_NR_quotactl:
1969 goto unimplemented;
1970 case TARGET_NR_getpgid:
1971 ret = get_errno(getpgid(arg1));
1972 break;
1973 case TARGET_NR_fchdir:
1974 ret = get_errno(fchdir(arg1));
1975 break;
1976 case TARGET_NR_bdflush:
1977 goto unimplemented;
1978 case TARGET_NR_sysfs:
1979 goto unimplemented;
1980 case TARGET_NR_personality:
1b6b029e 1981 ret = get_errno(personality(arg1));
31e31b8a
FB		 1982 break;
1983 case TARGET_NR_afs_syscall:
1984 goto unimplemented;
1985 case TARGET_NR_setfsuid:
9de5e440
FB		 1986 ret = get_errno(setfsuid(arg1));
1987 break;
31e31b8a 1988 case TARGET_NR_setfsgid:
9de5e440
FB		 1989 ret = get_errno(setfsgid(arg1));
1990 break;
31e31b8a
FB		 1991 case TARGET_NR__llseek:
1992 {
1993 int64_t res;
1994 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
1995 *(int64_t *)arg4 = tswap64(res);
1996 }
1997 break;
1998 case TARGET_NR_getdents:
1999#if TARGET_LONG_SIZE != 4
2000#error not supported
2001#endif
2002 {
2003 struct dirent *dirp = (void *)arg2;
2004 long count = arg3;
dab2ed99 2005
72f03900 2006 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 2007 if (!is_error(ret)) {
2008 struct dirent *de;
2009 int len = ret;
2010 int reclen;
2011 de = dirp;
2012 while (len > 0) {
8083a3e5 2013 reclen = de->d_reclen;
31e31b8a
FB		 2014 if (reclen > len)
2015 break;
8083a3e5 2016 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 2017 tswapls(&de->d_ino);
2018 tswapls(&de->d_off);
2019 de = (struct dirent *)((char *)de + reclen);
2020 len -= reclen;
2021 }
2022 }
2023 }
2024 break;
dab2ed99
FB		 2025 case TARGET_NR_getdents64:
2026 {
2027 struct dirent64 *dirp = (void *)arg2;
2028 long count = arg3;
2029 ret = get_errno(sys_getdents64(arg1, dirp, count));
2030 if (!is_error(ret)) {
2031 struct dirent64 *de;
2032 int len = ret;
2033 int reclen;
2034 de = dirp;
2035 while (len > 0) {
8083a3e5 2036 reclen = de->d_reclen;
dab2ed99
FB		 2037 if (reclen > len)
2038 break;
8083a3e5 2039 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 2040 tswap64s(&de->d_ino);
2041 tswap64s(&de->d_off);
2042 de = (struct dirent64 *)((char *)de + reclen);
2043 len -= reclen;
2044 }
2045 }
2046 }
2047 break;
31e31b8a
FB		 2048 case TARGET_NR__newselect:
2049 ret = do_select(arg1, (void *)arg2, (void *)arg3, (void *)arg4,
2050 (void *)arg5);
2051 break;
9de5e440
FB		 2052 case TARGET_NR_poll:
2053 {
2054 struct target_pollfd *target_pfd = (void *)arg1;
2055 unsigned int nfds = arg2;
2056 int timeout = arg3;
2057 struct pollfd *pfd;
7854b056 2058 unsigned int i;
9de5e440
FB		 2059
2060 pfd = alloca(sizeof(struct pollfd) * nfds);
2061 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 2062 pfd[i].fd = tswap32(target_pfd[i].fd);
2063 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 2064 }
2065 ret = get_errno(poll(pfd, nfds, timeout));
2066 if (!is_error(ret)) {
2067 for(i = 0; i < nfds; i++) {
5cd4393b 2068 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440
FB		 2069 }
2070 }
2071 }
2072 break;
31e31b8a 2073 case TARGET_NR_flock:
9de5e440
FB		 2074 /* NOTE: the flock constant seems to be the same for every
2075 Linux platform */
2076 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 2077 break;
2078 case TARGET_NR_readv:
2079 {
2080 int count = arg3;
2081 int i;
2082 struct iovec *vec;
2083 struct target_iovec *target_vec = (void *)arg2;
2084
2085 vec = alloca(count * sizeof(struct iovec));
2086 for(i = 0;i < count; i++) {
2087 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2088 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2089 }
2090 ret = get_errno(readv(arg1, vec, count));
2091 }
2092 break;
2093 case TARGET_NR_writev:
2094 {
2095 int count = arg3;
2096 int i;
2097 struct iovec *vec;
2098 struct target_iovec *target_vec = (void *)arg2;
2099
2100 vec = alloca(count * sizeof(struct iovec));
2101 for(i = 0;i < count; i++) {
2102 vec[i].iov_base = (void *)tswapl(target_vec[i].iov_base);
2103 vec[i].iov_len = tswapl(target_vec[i].iov_len);
2104 }
2105 ret = get_errno(writev(arg1, vec, count));
2106 }
2107 break;
2108 case TARGET_NR_getsid:
2109 ret = get_errno(getsid(arg1));
2110 break;
2111 case TARGET_NR_fdatasync:
5cd4393b
FB		 2112 ret = get_errno(fdatasync(arg1));
2113 break;
31e31b8a
FB		 2114 case TARGET_NR__sysctl:
2115 goto unimplemented;
31e31b8a 2116 case TARGET_NR_sched_setparam:
5cd4393b
FB		 2117 {
2118 struct sched_param *target_schp = (void *)arg2;
2119 struct sched_param schp;
2120 schp.sched_priority = tswap32(target_schp->sched_priority);
2121 ret = get_errno(sched_setparam(arg1, &schp));
2122 }
2123 break;
31e31b8a 2124 case TARGET_NR_sched_getparam:
5cd4393b
FB		 2125 {
2126 struct sched_param *target_schp = (void *)arg2;
2127 struct sched_param schp;
2128 ret = get_errno(sched_getparam(arg1, &schp));
2129 if (!is_error(ret)) {
2130 target_schp->sched_priority = tswap32(schp.sched_priority);
2131 }
2132 }
2133 break;
31e31b8a 2134 case TARGET_NR_sched_setscheduler:
5cd4393b
FB		 2135 {
2136 struct sched_param *target_schp = (void *)arg3;
2137 struct sched_param schp;
2138 schp.sched_priority = tswap32(target_schp->sched_priority);
2139 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
2140 }
2141 break;
31e31b8a 2142 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 2143 ret = get_errno(sched_getscheduler(arg1));
2144 break;
31e31b8a
FB		 2145 case TARGET_NR_sched_yield:
2146 ret = get_errno(sched_yield());
2147 break;
2148 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 2149 ret = get_errno(sched_get_priority_max(arg1));
2150 break;
31e31b8a 2151 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 2152 ret = get_errno(sched_get_priority_min(arg1));
2153 break;
31e31b8a 2154 case TARGET_NR_sched_rr_get_interval:
5cd4393b
FB		 2155 {
2156 struct target_timespec *target_ts = (void *)arg2;
2157 struct timespec ts;
2158 ret = get_errno(sched_rr_get_interval(arg1, &ts));
2159 if (!is_error(ret)) {
2160 target_ts->tv_sec = tswapl(ts.tv_sec);
2161 target_ts->tv_nsec = tswapl(ts.tv_nsec);
2162 }
2163 }
2164 break;
31e31b8a 2165 case TARGET_NR_nanosleep:
1b6b029e
FB		 2166 {
2167 struct target_timespec *target_req = (void *)arg1;
2168 struct target_timespec *target_rem = (void *)arg2;
2169 struct timespec req, rem;
2170 req.tv_sec = tswapl(target_req->tv_sec);
2171 req.tv_nsec = tswapl(target_req->tv_nsec);
2172 ret = get_errno(nanosleep(&req, &rem));
2173 if (target_rem) {
2174 target_rem->tv_sec = tswapl(rem.tv_sec);
2175 target_rem->tv_nsec = tswapl(rem.tv_nsec);
2176 }
2177 }
2178 break;
31e31b8a 2179 case TARGET_NR_setresuid:
b03c60f3
FB		 2180 ret = get_errno(setresuid(low2highuid(arg1),
2181 low2highuid(arg2),
2182 low2highuid(arg3)));
2183 break;
31e31b8a 2184 case TARGET_NR_getresuid:
b03c60f3
FB		 2185 {
2186 int ruid, euid, suid;
2187 ret = get_errno(getresuid(&ruid, &euid, &suid));
2188 if (!is_error(ret)) {
2189 *(uint16_t *)arg1 = tswap16(high2lowuid(ruid));
2190 *(uint16_t *)arg2 = tswap16(high2lowuid(euid));
2191 *(uint16_t *)arg3 = tswap16(high2lowuid(suid));
2192 }
2193 }
2194 break;
2195 case TARGET_NR_setresgid:
2196 ret = get_errno(setresgid(low2highgid(arg1),
2197 low2highgid(arg2),
2198 low2highgid(arg3)));
2199 break;
2200 case TARGET_NR_getresgid:
2201 {
2202 int rgid, egid, sgid;
2203 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2204 if (!is_error(ret)) {
2205 *(uint16_t *)arg1 = high2lowgid(tswap16(rgid));
2206 *(uint16_t *)arg2 = high2lowgid(tswap16(egid));
2207 *(uint16_t *)arg3 = high2lowgid(tswap16(sgid));
2208 }
2209 }
2210 break;
31e31b8a 2211 case TARGET_NR_query_module:
5cd4393b 2212 goto unimplemented;
31e31b8a 2213 case TARGET_NR_nfsservctl:
5cd4393b 2214 goto unimplemented;
31e31b8a 2215 case TARGET_NR_prctl:
5cd4393b 2216 goto unimplemented;
31e31b8a 2217 case TARGET_NR_pread:
206f0fa7
FB		 2218 page_unprotect_range((void *)arg2, arg3);
2219 ret = get_errno(pread(arg1, (void *)arg2, arg3, arg4));
2220 break;
31e31b8a 2221 case TARGET_NR_pwrite:
206f0fa7
FB		 2222 ret = get_errno(pwrite(arg1, (void *)arg2, arg3, arg4));
2223 break;
31e31b8a
FB		 2224 case TARGET_NR_chown:
2225 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2226 break;
2227 case TARGET_NR_getcwd:
72f03900 2228 ret = get_errno(sys_getcwd1((char *)arg1, arg2));
31e31b8a
FB		 2229 break;
2230 case TARGET_NR_capget:
5cd4393b 2231 goto unimplemented;
31e31b8a 2232 case TARGET_NR_capset:
5cd4393b 2233 goto unimplemented;
31e31b8a 2234 case TARGET_NR_sigaltstack:
5cd4393b 2235 goto unimplemented;
31e31b8a 2236 case TARGET_NR_sendfile:
5cd4393b 2237 goto unimplemented;
31e31b8a 2238 case TARGET_NR_getpmsg:
5cd4393b 2239 goto unimplemented;
31e31b8a 2240 case TARGET_NR_putpmsg:
5cd4393b 2241 goto unimplemented;
31e31b8a 2242 case TARGET_NR_vfork:
1b6b029e 2243 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a
FB		 2244 break;
2245 case TARGET_NR_ugetrlimit:
728584be
FB		 2246 {
2247 struct rlimit rlim;
2248 ret = get_errno(getrlimit(arg1, &rlim));
2249 if (!is_error(ret)) {
2250 struct target_rlimit *target_rlim = (void *)arg2;
2251 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
2252 target_rlim->rlim_max = tswapl(rlim.rlim_max);
2253 }
2254 break;
2255 }
31e31b8a 2256 case TARGET_NR_truncate64:
5cd4393b 2257 goto unimplemented;
31e31b8a 2258 case TARGET_NR_ftruncate64:
60cd49d5 2259 goto unimplemented;
31e31b8a 2260 case TARGET_NR_stat64:
ec86b0fb 2261 ret = get_errno(stat(path((const char *)arg1), &st));
60cd49d5 2262 goto do_stat64;
31e31b8a 2263 case TARGET_NR_lstat64:
ec86b0fb 2264 ret = get_errno(lstat(path((const char *)arg1), &st));
60cd49d5 2265 goto do_stat64;
31e31b8a 2266 case TARGET_NR_fstat64:
60cd49d5
FB		 2267 {
2268 ret = get_errno(fstat(arg1, &st));
2269 do_stat64:
2270 if (!is_error(ret)) {
2271 struct target_stat64 *target_st = (void *)arg2;
ec86b0fb 2272 memset(target_st, 0, sizeof(struct target_stat64));
60cd49d5 2273 target_st->st_dev = tswap16(st.st_dev);
728584be 2274 target_st->st_ino = tswap64(st.st_ino);
ec86b0fb
FB		 2275#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
2276 target_st->__st_ino = tswapl(st.st_ino);
2277#endif
9af9eaaa 2278 target_st->st_mode = tswap32(st.st_mode);
ec86b0fb
FB		 2279 target_st->st_nlink = tswap32(st.st_nlink);
2280 target_st->st_uid = tswapl(st.st_uid);
2281 target_st->st_gid = tswapl(st.st_gid);
60cd49d5
FB		 2282 target_st->st_rdev = tswap16(st.st_rdev);
2283 /* XXX: better use of kernel struct */
ec86b0fb 2284 target_st->st_size = tswap64(st.st_size);
60cd49d5
FB		 2285 target_st->st_blksize = tswapl(st.st_blksize);
2286 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 2287 target_st->target_st_atime = tswapl(st.st_atime);
2288 target_st->target_st_mtime = tswapl(st.st_mtime);
2289 target_st->target_st_ctime = tswapl(st.st_ctime);
60cd49d5
FB		 2290 }
2291 }
2292 break;
2293
31e31b8a 2294 case TARGET_NR_lchown32:
b03c60f3
FB		 2295 ret = get_errno(lchown((const char *)arg1, arg2, arg3));
2296 break;
31e31b8a 2297 case TARGET_NR_getuid32:
b03c60f3
FB		 2298 ret = get_errno(getuid());
2299 break;
31e31b8a 2300 case TARGET_NR_getgid32:
b03c60f3
FB		 2301 ret = get_errno(getgid());
2302 break;
31e31b8a 2303 case TARGET_NR_geteuid32:
b03c60f3
FB		 2304 ret = get_errno(geteuid());
2305 break;
31e31b8a 2306 case TARGET_NR_getegid32:
b03c60f3
FB		 2307 ret = get_errno(getegid());
2308 break;
31e31b8a 2309 case TARGET_NR_setreuid32:
b03c60f3
FB		 2310 ret = get_errno(setreuid(arg1, arg2));
2311 break;
31e31b8a 2312 case TARGET_NR_setregid32:
b03c60f3
FB		 2313 ret = get_errno(setregid(arg1, arg2));
2314 break;
31e31b8a 2315 case TARGET_NR_getgroups32:
b03c60f3 2316 goto unimplemented;
31e31b8a 2317 case TARGET_NR_setgroups32:
b03c60f3 2318 goto unimplemented;
31e31b8a 2319 case TARGET_NR_fchown32:
b03c60f3
FB		 2320 ret = get_errno(fchown(arg1, arg2, arg3));
2321 break;
31e31b8a 2322 case TARGET_NR_setresuid32:
b03c60f3
FB		 2323 ret = get_errno(setresuid(arg1, arg2, arg3));
2324 break;
31e31b8a 2325 case TARGET_NR_getresuid32:
b03c60f3
FB		 2326 {
2327 int ruid, euid, suid;
2328 ret = get_errno(getresuid(&ruid, &euid, &suid));
2329 if (!is_error(ret)) {
2330 *(uint32_t *)arg1 = tswap32(ruid);
2331 *(uint32_t *)arg2 = tswap32(euid);
2332 *(uint32_t *)arg3 = tswap32(suid);
2333 }
2334 }
2335 break;
31e31b8a 2336 case TARGET_NR_setresgid32:
b03c60f3
FB		 2337 ret = get_errno(setresgid(arg1, arg2, arg3));
2338 break;
31e31b8a 2339 case TARGET_NR_getresgid32:
b03c60f3
FB		 2340 {
2341 int rgid, egid, sgid;
2342 ret = get_errno(getresgid(&rgid, &egid, &sgid));
2343 if (!is_error(ret)) {
2344 *(uint32_t *)arg1 = tswap32(rgid);
2345 *(uint32_t *)arg2 = tswap32(egid);
2346 *(uint32_t *)arg3 = tswap32(sgid);
2347 }
2348 }
2349 break;
31e31b8a 2350 case TARGET_NR_chown32:
b03c60f3
FB		 2351 ret = get_errno(chown((const char *)arg1, arg2, arg3));
2352 break;
31e31b8a 2353 case TARGET_NR_setuid32:
b03c60f3
FB		 2354 ret = get_errno(setuid(arg1));
2355 break;
31e31b8a 2356 case TARGET_NR_setgid32:
b03c60f3
FB		 2357 ret = get_errno(setgid(arg1));
2358 break;
31e31b8a 2359 case TARGET_NR_setfsuid32:
b03c60f3
FB		 2360 ret = get_errno(setfsuid(arg1));
2361 break;
31e31b8a 2362 case TARGET_NR_setfsgid32:
b03c60f3
FB		 2363 ret = get_errno(setfsgid(arg1));
2364 break;
31e31b8a 2365 case TARGET_NR_pivot_root:
b03c60f3 2366 goto unimplemented;
31e31b8a 2367 case TARGET_NR_mincore:
b03c60f3 2368 goto unimplemented;
31e31b8a 2369 case TARGET_NR_madvise:
60cd49d5
FB		 2370 goto unimplemented;
2371#if TARGET_LONG_BITS == 32
31e31b8a 2372 case TARGET_NR_fcntl64:
77e4672d
FB		 2373 {
2374 struct flock64 fl;
2375 struct target_flock64 *target_fl = (void *)arg3;
2376
60cd49d5
FB		 2377 switch(arg2) {
2378 case F_GETLK64:
77e4672d
FB		 2379 ret = get_errno(fcntl(arg1, arg2, &fl));
2380 if (ret == 0) {
2381 target_fl->l_type = tswap16(fl.l_type);
2382 target_fl->l_whence = tswap16(fl.l_whence);
2383 target_fl->l_start = tswap64(fl.l_start);
2384 target_fl->l_len = tswap64(fl.l_len);
2385 target_fl->l_pid = tswapl(fl.l_pid);
2386 }
2387 break;
2388
60cd49d5
FB		 2389 case F_SETLK64:
2390 case F_SETLKW64:
77e4672d
FB		 2391 fl.l_type = tswap16(target_fl->l_type);
2392 fl.l_whence = tswap16(target_fl->l_whence);
2393 fl.l_start = tswap64(target_fl->l_start);
2394 fl.l_len = tswap64(target_fl->l_len);
2395 fl.l_pid = tswapl(target_fl->l_pid);
2396 ret = get_errno(fcntl(arg1, arg2, &fl));
2397 break;
60cd49d5 2398 default:
7775e9ec 2399 ret = get_errno(do_fcntl(arg1, arg2, arg3));
60cd49d5
FB		 2400 break;
2401 }
77e4672d
FB		 2402 break;
2403 }
60cd49d5 2404#endif
31e31b8a
FB		 2405 case TARGET_NR_security:
2406 goto unimplemented;
2407 case TARGET_NR_gettid:
2408 ret = get_errno(gettid());
2409 break;
2410 case TARGET_NR_readahead:
5cd4393b 2411 goto unimplemented;
31e31b8a
FB		 2412 case TARGET_NR_setxattr:
2413 case TARGET_NR_lsetxattr:
2414 case TARGET_NR_fsetxattr:
2415 case TARGET_NR_getxattr:
2416 case TARGET_NR_lgetxattr:
2417 case TARGET_NR_fgetxattr:
2418 case TARGET_NR_listxattr:
2419 case TARGET_NR_llistxattr:
2420 case TARGET_NR_flistxattr:
2421 case TARGET_NR_removexattr:
2422 case TARGET_NR_lremovexattr:
2423 case TARGET_NR_fremovexattr:
5cd4393b
FB		 2424 goto unimplemented_nowarn;
2425 case TARGET_NR_set_thread_area:
2426 case TARGET_NR_get_thread_area:
2427 goto unimplemented_nowarn;
31e31b8a
FB		 2428 default:
2429 unimplemented:
5cd4393b
FB		 2430 gemu_log("qemu: Unsupported syscall: %d\n", num);
2431 unimplemented_nowarn:
31e31b8a
FB		 2432 ret = -ENOSYS;
2433 break;
2434 }
2435 fail:
2436 return ret;
2437}
2438
Qemu copy for testing