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Use target_ulong type for emulator registers.
[mirror_qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
31e31b8a
FB		 30#include <sys/types.h>
31#include <sys/wait.h>
32#include <sys/time.h>
33#include <sys/stat.h>
34#include <sys/mount.h>
35#include <sys/resource.h>
36#include <sys/mman.h>
37#include <sys/swap.h>
38#include <signal.h>
39#include <sched.h>
40#include <sys/socket.h>
41#include <sys/uio.h>
9de5e440 42#include <sys/poll.h>
32f36bce 43#include <sys/times.h>
8853f86e 44#include <sys/shm.h>
56c8f68f 45#include <sys/statfs.h>
ebc05488 46#include <utime.h>
a5448a7d 47#include <sys/sysinfo.h>
72f03900 48//#include <sys/user.h>
8853f86e 49#include <netinet/ip.h>
7854b056 50#include <netinet/tcp.h>
31e31b8a
FB		 51
52#define termios host_termios
53#define winsize host_winsize
54#define termio host_termio
04369ff2
FB		 55#define sgttyb host_sgttyb /* same as target */
56#define tchars host_tchars /* same as target */
57#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 58
59#include <linux/termios.h>
60#include <linux/unistd.h>
61#include <linux/utsname.h>
62#include <linux/cdrom.h>
63#include <linux/hdreg.h>
64#include <linux/soundcard.h>
dab2ed99 65#include <linux/dirent.h>
19b84f3c 66#include <linux/kd.h>
31e31b8a 67
3ef693a0 68#include "qemu.h"
31e31b8a 69
72f03900 70//#define DEBUG
31e31b8a 71
e6e5906b
PB		 72#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
73 || defined(TARGET_M68K)
67867308
FB		 74/* 16 bit uid wrappers emulation */
75#define USE_UID16
76#endif
77
1a9353d2
FB		 78//#include <linux/msdos_fs.h>
79#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
80#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
81
70a194b9 82
70a194b9
FB		 83#undef _syscall0
84#undef _syscall1
85#undef _syscall2
86#undef _syscall3
87#undef _syscall4
88#undef _syscall5
83fcb515 89#undef _syscall6
70a194b9 90
83fcb515
FB		 91#define _syscall0(type,name) \
92type name (void) \
93{ \
94 return syscall(__NR_##name); \
95}
70a194b9 96
83fcb515
FB		 97#define _syscall1(type,name,type1,arg1) \
98type name (type1 arg1) \
99{ \
100 return syscall(__NR_##name, arg1); \
70a194b9
FB		 101}
102
83fcb515
FB		 103#define _syscall2(type,name,type1,arg1,type2,arg2) \
104type name (type1 arg1,type2 arg2) \
105{ \
106 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 107}
108
83fcb515
FB		 109#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
110type name (type1 arg1,type2 arg2,type3 arg3) \
111{ \
112 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 113}
114
83fcb515
FB		 115#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
116type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
117{ \
118 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 119}
120
83fcb515
FB		 121#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
122 type5,arg5) \
123type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
124{ \
125 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 126}
127
83fcb515
FB		 128
129#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
130 type5,arg5,type6,arg6) \
131type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
132{ \
133 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 134}
83fcb515 135
70a194b9 136
31e31b8a 137#define __NR_sys_uname __NR_uname
72f03900 138#define __NR_sys_getcwd1 __NR_getcwd
72f03900 139#define __NR_sys_getdents __NR_getdents
dab2ed99 140#define __NR_sys_getdents64 __NR_getdents64
66fb9763 141#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
31e31b8a 142
bc51c5c9 143#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 144#define __NR__llseek __NR_lseek
145#endif
146
72f03900 147#ifdef __NR_gettid
31e31b8a 148_syscall0(int, gettid)
72f03900
FB		 149#else
150static int gettid(void) {
151 return -ENOSYS;
152}
153#endif
31e31b8a 154_syscall1(int,sys_uname,struct new_utsname *,buf)
72f03900
FB		 155_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
156_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
dab2ed99 157_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
31e31b8a
FB		 158_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
159 loff_t *, res, uint, wh);
66fb9763 160_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
ec86b0fb
FB		 161#ifdef __NR_exit_group
162_syscall1(int,exit_group,int,error_code)
163#endif
66fb9763
FB		 164
165extern int personality(int);
9de5e440
FB		 166extern int flock(int, int);
167extern int setfsuid(int);
168extern int setfsgid(int);
5cd4393b
FB		 169extern int setresuid(uid_t, uid_t, uid_t);
170extern int getresuid(uid_t *, uid_t *, uid_t *);
171extern int setresgid(gid_t, gid_t, gid_t);
172extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 173extern int setgroups(int, gid_t *);
31e31b8a
FB		 174
175static inline long get_errno(long ret)
176{
177 if (ret == -1)
178 return -errno;
179 else
180 return ret;
181}
182
183static inline int is_error(long ret)
184{
185 return (unsigned long)ret >= (unsigned long)(-4096);
186}
187
53a5960a
PB		 188static target_ulong target_brk;
189static target_ulong target_original_brk;
31e31b8a 190
53a5960a 191void target_set_brk(target_ulong new_brk)
31e31b8a 192{
53a5960a 193 target_original_brk = target_brk = new_brk;
31e31b8a
FB		 194}
195
53a5960a 196long do_brk(target_ulong new_brk)
31e31b8a 197{
53a5960a 198 target_ulong brk_page;
31e31b8a
FB		 199 long mapped_addr;
200 int new_alloc_size;
201
202 if (!new_brk)
53a5960a 203 return target_brk;
31e31b8a
FB		 204 if (new_brk < target_original_brk)
205 return -ENOMEM;
206
53a5960a 207 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 208
209 /* If the new brk is less than this, set it and we're done... */
210 if (new_brk < brk_page) {
211 target_brk = new_brk;
53a5960a 212 return target_brk;
31e31b8a
FB		 213 }
214
215 /* We need to allocate more memory after the brk... */
54936004 216 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
53a5960a 217 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 218 PROT_READ|PROT_WRITE,
219 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
31e31b8a
FB		 220 if (is_error(mapped_addr)) {
221 return mapped_addr;
222 } else {
223 target_brk = new_brk;
53a5960a 224 return target_brk;
31e31b8a
FB		 225 }
226}
227
228static inline fd_set *target_to_host_fds(fd_set *fds,
229 target_long *target_fds, int n)
230{
7854b056 231#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 232 return (fd_set *)target_fds;
233#else
234 int i, b;
235 if (target_fds) {
236 FD_ZERO(fds);
237 for(i = 0;i < n; i++) {
238 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
239 (i & (TARGET_LONG_BITS - 1))) & 1;
240 if (b)
241 FD_SET(i, fds);
242 }
243 return fds;
244 } else {
245 return NULL;
246 }
247#endif
248}
249
250static inline void host_to_target_fds(target_long *target_fds,
251 fd_set *fds, int n)
252{
7854b056 253#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 254 /* nothing to do */
255#else
256 int i, nw, j, k;
257 target_long v;
258
259 if (target_fds) {
8853f86e 260 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
31e31b8a
FB		 261 k = 0;
262 for(i = 0;i < nw; i++) {
263 v = 0;
264 for(j = 0; j < TARGET_LONG_BITS; j++) {
265 v |= ((FD_ISSET(k, fds) != 0) << j);
266 k++;
267 }
268 target_fds[i] = tswapl(v);
269 }
270 }
271#endif
272}
273
c596ed17
FB		 274#if defined(__alpha__)
275#define HOST_HZ 1024
276#else
277#define HOST_HZ 100
278#endif
279
280static inline long host_to_target_clock_t(long ticks)
281{
282#if HOST_HZ == TARGET_HZ
283 return ticks;
284#else
285 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
286#endif
287}
288
53a5960a 289static inline void host_to_target_rusage(target_ulong target_addr,
b409186b
FB		 290 const struct rusage *rusage)
291{
53a5960a
PB		 292 struct target_rusage *target_rusage;
293
294 lock_user_struct(target_rusage, target_addr, 0);
b409186b
FB		 295 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
296 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
297 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
298 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
299 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
300 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
301 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
302 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
303 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
304 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
305 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
306 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
307 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
308 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
309 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
310 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
311 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
312 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 313 unlock_user_struct(target_rusage, target_addr, 1);
b409186b
FB		 314}
315
53a5960a
PB		 316static inline void target_to_host_timeval(struct timeval *tv,
317 target_ulong target_addr)
31e31b8a 318{
53a5960a
PB		 319 struct target_timeval *target_tv;
320
321 lock_user_struct(target_tv, target_addr, 1);
66fb9763
FB		 322 tv->tv_sec = tswapl(target_tv->tv_sec);
323 tv->tv_usec = tswapl(target_tv->tv_usec);
53a5960a 324 unlock_user_struct(target_tv, target_addr, 0);
31e31b8a
FB		 325}
326
53a5960a 327static inline void host_to_target_timeval(target_ulong target_addr,
5cd4393b 328 const struct timeval *tv)
31e31b8a 329{
53a5960a
PB		 330 struct target_timeval *target_tv;
331
332 lock_user_struct(target_tv, target_addr, 0);
66fb9763
FB		 333 target_tv->tv_sec = tswapl(tv->tv_sec);
334 target_tv->tv_usec = tswapl(tv->tv_usec);
53a5960a 335 unlock_user_struct(target_tv, target_addr, 1);
31e31b8a
FB		 336}
337
338
339static long do_select(long n,
53a5960a
PB		 340 target_ulong rfd_p, target_ulong wfd_p,
341 target_ulong efd_p, target_ulong target_tv)
31e31b8a
FB		 342{
343 fd_set rfds, wfds, efds;
344 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
53a5960a 345 target_long *target_rfds, *target_wfds, *target_efds;
31e31b8a
FB		 346 struct timeval tv, *tv_ptr;
347 long ret;
53a5960a 348 int ok;
31e31b8a 349
53a5960a
PB		 350 if (rfd_p) {
351 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
352 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
353 } else {
354 target_rfds = NULL;
355 rfds_ptr = NULL;
356 }
357 if (wfd_p) {
358 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
359 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
360 } else {
361 target_wfds = NULL;
362 wfds_ptr = NULL;
363 }
364 if (efd_p) {
365 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
366 efds_ptr = target_to_host_fds(&efds, target_efds, n);
367 } else {
368 target_efds = NULL;
369 efds_ptr = NULL;
370 }
31e31b8a
FB		 371
372 if (target_tv) {
5cd4393b 373 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 374 tv_ptr = &tv;
375 } else {
376 tv_ptr = NULL;
377 }
378 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a
PB		 379 ok = !is_error(ret);
380
381 if (ok) {
31e31b8a
FB		 382 host_to_target_fds(target_rfds, rfds_ptr, n);
383 host_to_target_fds(target_wfds, wfds_ptr, n);
384 host_to_target_fds(target_efds, efds_ptr, n);
385
386 if (target_tv) {
5cd4393b 387 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 388 }
389 }
53a5960a
PB		 390 if (target_rfds)
391 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
392 if (target_wfds)
393 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
394 if (target_efds)
395 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
396
31e31b8a
FB		 397 return ret;
398}
399
7854b056 400static inline void target_to_host_sockaddr(struct sockaddr *addr,
53a5960a 401 target_ulong target_addr,
7854b056
FB		 402 socklen_t len)
403{
53a5960a
PB		 404 struct target_sockaddr *target_saddr;
405
406 target_saddr = lock_user(target_addr, len, 1);
407 memcpy(addr, target_saddr, len);
408 addr->sa_family = tswap16(target_saddr->sa_family);
409 unlock_user(target_saddr, target_addr, 0);
7854b056
FB		 410}
411
53a5960a 412static inline void host_to_target_sockaddr(target_ulong target_addr,
7854b056
FB		 413 struct sockaddr *addr,
414 socklen_t len)
415{
53a5960a
PB		 416 struct target_sockaddr *target_saddr;
417
418 target_saddr = lock_user(target_addr, len, 0);
419 memcpy(target_saddr, addr, len);
420 target_saddr->sa_family = tswap16(addr->sa_family);
421 unlock_user(target_saddr, target_addr, len);
7854b056
FB		 422}
423
53a5960a 424/* ??? Should this also swap msgh->name? */
7854b056
FB		 425static inline void target_to_host_cmsg(struct msghdr *msgh,
426 struct target_msghdr *target_msgh)
427{
428 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
429 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
430 socklen_t space = 0;
431
432 while (cmsg && target_cmsg) {
433 void *data = CMSG_DATA(cmsg);
434 void *target_data = TARGET_CMSG_DATA(target_cmsg);
435
436 int len = tswapl(target_cmsg->cmsg_len)
437 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
438
439 space += CMSG_SPACE(len);
440 if (space > msgh->msg_controllen) {
441 space -= CMSG_SPACE(len);
31febb71 442 gemu_log("Host cmsg overflow\n");
7854b056
FB		 443 break;
444 }
445
446 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
447 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
448 cmsg->cmsg_len = CMSG_LEN(len);
449
3532fa74 450 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 451 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
452 memcpy(data, target_data, len);
453 } else {
454 int *fd = (int *)data;
455 int *target_fd = (int *)target_data;
456 int i, numfds = len / sizeof(int);
457
458 for (i = 0; i < numfds; i++)
459 fd[i] = tswap32(target_fd[i]);
460 }
461
462 cmsg = CMSG_NXTHDR(msgh, cmsg);
463 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
464 }
465
466 msgh->msg_controllen = space;
467}
468
53a5960a 469/* ??? Should this also swap msgh->name? */
7854b056
FB		 470static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
471 struct msghdr *msgh)
472{
473 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
474 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
475 socklen_t space = 0;
476
477 while (cmsg && target_cmsg) {
478 void *data = CMSG_DATA(cmsg);
479 void *target_data = TARGET_CMSG_DATA(target_cmsg);
480
481 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
482
483 space += TARGET_CMSG_SPACE(len);
484 if (space > tswapl(target_msgh->msg_controllen)) {
485 space -= TARGET_CMSG_SPACE(len);
31febb71 486 gemu_log("Target cmsg overflow\n");
7854b056
FB		 487 break;
488 }
489
490 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
491 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
492 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
493
3532fa74 494 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 495 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
496 memcpy(target_data, data, len);
497 } else {
498 int *fd = (int *)data;
499 int *target_fd = (int *)target_data;
500 int i, numfds = len / sizeof(int);
501
502 for (i = 0; i < numfds; i++)
503 target_fd[i] = tswap32(fd[i]);
504 }
505
506 cmsg = CMSG_NXTHDR(msgh, cmsg);
507 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
508 }
509
510 msgh->msg_controllen = tswapl(space);
511}
512
513static long do_setsockopt(int sockfd, int level, int optname,
53a5960a 514 target_ulong optval, socklen_t optlen)
7854b056 515{
8853f86e
FB		 516 int val, ret;
517
518 switch(level) {
519 case SOL_TCP:
7854b056 520 /* TCP options all take an 'int' value. */
7854b056
FB		 521 if (optlen < sizeof(uint32_t))
522 return -EINVAL;
8853f86e 523
53a5960a 524 val = tget32(optval);
8853f86e
FB		 525 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
526 break;
527 case SOL_IP:
528 switch(optname) {
2efbe911
FB		 529 case IP_TOS:
530 case IP_TTL:
8853f86e 531 case IP_HDRINCL:
2efbe911
FB		 532 case IP_ROUTER_ALERT:
533 case IP_RECVOPTS:
534 case IP_RETOPTS:
535 case IP_PKTINFO:
536 case IP_MTU_DISCOVER:
537 case IP_RECVERR:
538 case IP_RECVTOS:
539#ifdef IP_FREEBIND
540 case IP_FREEBIND:
541#endif
542 case IP_MULTICAST_TTL:
543 case IP_MULTICAST_LOOP:
8853f86e
FB		 544 val = 0;
545 if (optlen >= sizeof(uint32_t)) {
53a5960a 546 val = tget32(optval);
8853f86e 547 } else if (optlen >= 1) {
53a5960a 548 val = tget8(optval);
8853f86e
FB		 549 }
550 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
551 break;
552 default:
553 goto unimplemented;
554 }
555 break;
3532fa74 556 case TARGET_SOL_SOCKET:
8853f86e
FB		 557 switch (optname) {
558 /* Options with 'int' argument. */
3532fa74
FB		 559 case TARGET_SO_DEBUG:
560 optname = SO_DEBUG;
561 break;
562 case TARGET_SO_REUSEADDR:
563 optname = SO_REUSEADDR;
564 break;
565 case TARGET_SO_TYPE:
566 optname = SO_TYPE;
567 break;
568 case TARGET_SO_ERROR:
569 optname = SO_ERROR;
570 break;
571 case TARGET_SO_DONTROUTE:
572 optname = SO_DONTROUTE;
573 break;
574 case TARGET_SO_BROADCAST:
575 optname = SO_BROADCAST;
576 break;
577 case TARGET_SO_SNDBUF:
578 optname = SO_SNDBUF;
579 break;
580 case TARGET_SO_RCVBUF:
581 optname = SO_RCVBUF;
582 break;
583 case TARGET_SO_KEEPALIVE:
584 optname = SO_KEEPALIVE;
585 break;
586 case TARGET_SO_OOBINLINE:
587 optname = SO_OOBINLINE;
588 break;
589 case TARGET_SO_NO_CHECK:
590 optname = SO_NO_CHECK;
591 break;
592 case TARGET_SO_PRIORITY:
593 optname = SO_PRIORITY;
594 break;
5e83e8e3 595#ifdef SO_BSDCOMPAT
3532fa74
FB		 596 case TARGET_SO_BSDCOMPAT:
597 optname = SO_BSDCOMPAT;
598 break;
5e83e8e3 599#endif
3532fa74
FB		 600 case TARGET_SO_PASSCRED:
601 optname = SO_PASSCRED;
602 break;
603 case TARGET_SO_TIMESTAMP:
604 optname = SO_TIMESTAMP;
605 break;
606 case TARGET_SO_RCVLOWAT:
607 optname = SO_RCVLOWAT;
608 break;
609 case TARGET_SO_RCVTIMEO:
610 optname = SO_RCVTIMEO;
611 break;
612 case TARGET_SO_SNDTIMEO:
613 optname = SO_SNDTIMEO;
614 break;
8853f86e
FB		 615 break;
616 default:
617 goto unimplemented;
618 }
3532fa74
FB		 619 if (optlen < sizeof(uint32_t))
620 return -EINVAL;
621
622 val = tget32(optval);
623 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 624 break;
7854b056 625 default:
8853f86e
FB		 626 unimplemented:
627 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
628 ret = -ENOSYS;
7854b056 629 }
8853f86e 630 return ret;
7854b056
FB		 631}
632
633static long do_getsockopt(int sockfd, int level, int optname,
53a5960a 634 target_ulong optval, target_ulong optlen)
7854b056 635{
8853f86e
FB		 636 int len, lv, val, ret;
637
638 switch(level) {
3532fa74
FB		 639 case TARGET_SOL_SOCKET:
640 level = SOL_SOCKET;
8853f86e 641 switch (optname) {
3532fa74
FB		 642 case TARGET_SO_LINGER:
643 case TARGET_SO_RCVTIMEO:
644 case TARGET_SO_SNDTIMEO:
645 case TARGET_SO_PEERCRED:
646 case TARGET_SO_PEERNAME:
8853f86e
FB		 647 /* These don't just return a single integer */
648 goto unimplemented;
649 default:
2efbe911
FB		 650 goto int_case;
651 }
652 break;
653 case SOL_TCP:
654 /* TCP options all take an 'int' value. */
655 int_case:
53a5960a 656 len = tget32(optlen);
2efbe911
FB		 657 if (len < 0)
658 return -EINVAL;
659 lv = sizeof(int);
660 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
661 if (ret < 0)
662 return ret;
663 val = tswap32(val);
664 if (len > lv)
665 len = lv;
53a5960a
PB		 666 if (len == 4)
667 tput32(optval, val);
668 else
669 tput8(optval, val);
670 tput32(optlen, len);
2efbe911
FB		 671 break;
672 case SOL_IP:
673 switch(optname) {
674 case IP_TOS:
675 case IP_TTL:
676 case IP_HDRINCL:
677 case IP_ROUTER_ALERT:
678 case IP_RECVOPTS:
679 case IP_RETOPTS:
680 case IP_PKTINFO:
681 case IP_MTU_DISCOVER:
682 case IP_RECVERR:
683 case IP_RECVTOS:
684#ifdef IP_FREEBIND
685 case IP_FREEBIND:
686#endif
687 case IP_MULTICAST_TTL:
688 case IP_MULTICAST_LOOP:
53a5960a 689 len = tget32(optlen);
8853f86e
FB		 690 if (len < 0)
691 return -EINVAL;
692 lv = sizeof(int);
693 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
694 if (ret < 0)
695 return ret;
2efbe911 696 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 697 len = 1;
53a5960a
PB		 698 tput32(optlen, len);
699 tput8(optval, val);
2efbe911 700 } else {
2efbe911
FB		 701 if (len > sizeof(int))
702 len = sizeof(int);
53a5960a
PB		 703 tput32(optlen, len);
704 tput32(optval, val);
2efbe911 705 }
8853f86e 706 break;
2efbe911
FB		 707 default:
708 goto unimplemented;
8853f86e
FB		 709 }
710 break;
711 default:
712 unimplemented:
713 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
714 level, optname);
715 ret = -ENOSYS;
716 break;
717 }
718 return ret;
7854b056
FB		 719}
720
53a5960a
PB		 721static void lock_iovec(struct iovec *vec, target_ulong target_addr,
722 int count, int copy)
723{
724 struct target_iovec *target_vec;
725 target_ulong base;
726 int i;
727
728 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
729 for(i = 0;i < count; i++) {
730 base = tswapl(target_vec[i].iov_base);
731 vec[i].iov_len = tswapl(target_vec[i].iov_len);
732 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
733 }
734 unlock_user (target_vec, target_addr, 0);
735}
736
737static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
738 int count, int copy)
739{
740 struct target_iovec *target_vec;
741 target_ulong base;
742 int i;
743
744 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
745 for(i = 0;i < count; i++) {
746 base = tswapl(target_vec[i].iov_base);
747 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
748 }
749 unlock_user (target_vec, target_addr, 0);
750}
751
3532fa74
FB		 752static long do_socket(int domain, int type, int protocol)
753{
754#if defined(TARGET_MIPS)
755 switch(type) {
756 case TARGET_SOCK_DGRAM:
757 type = SOCK_DGRAM;
758 break;
759 case TARGET_SOCK_STREAM:
760 type = SOCK_STREAM;
761 break;
762 case TARGET_SOCK_RAW:
763 type = SOCK_RAW;
764 break;
765 case TARGET_SOCK_RDM:
766 type = SOCK_RDM;
767 break;
768 case TARGET_SOCK_SEQPACKET:
769 type = SOCK_SEQPACKET;
770 break;
771 case TARGET_SOCK_PACKET:
772 type = SOCK_PACKET;
773 break;
774 }
775#endif
776 return get_errno(socket(domain, type, protocol));
777}
778
779static long do_bind(int sockfd, target_ulong target_addr,
780 socklen_t addrlen)
781{
782 void *addr = alloca(addrlen);
783
784 target_to_host_sockaddr(addr, target_addr, addrlen);
785 return get_errno(bind(sockfd, addr, addrlen));
786}
787
788static long do_connect(int sockfd, target_ulong target_addr,
789 socklen_t addrlen)
790{
791 void *addr = alloca(addrlen);
792
793 target_to_host_sockaddr(addr, target_addr, addrlen);
794 return get_errno(connect(sockfd, addr, addrlen));
795}
796
797static long do_sendrecvmsg(int fd, target_ulong target_msg,
798 int flags, int send)
799{
800 long ret;
801 struct target_msghdr *msgp;
802 struct msghdr msg;
803 int count;
804 struct iovec *vec;
805 target_ulong target_vec;
806
807 lock_user_struct(msgp, target_msg, 1);
808 if (msgp->msg_name) {
809 msg.msg_namelen = tswap32(msgp->msg_namelen);
810 msg.msg_name = alloca(msg.msg_namelen);
811 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
812 msg.msg_namelen);
813 } else {
814 msg.msg_name = NULL;
815 msg.msg_namelen = 0;
816 }
817 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
818 msg.msg_control = alloca(msg.msg_controllen);
819 msg.msg_flags = tswap32(msgp->msg_flags);
820
821 count = tswapl(msgp->msg_iovlen);
822 vec = alloca(count * sizeof(struct iovec));
823 target_vec = tswapl(msgp->msg_iov);
824 lock_iovec(vec, target_vec, count, send);
825 msg.msg_iovlen = count;
826 msg.msg_iov = vec;
827
828 if (send) {
829 target_to_host_cmsg(&msg, msgp);
830 ret = get_errno(sendmsg(fd, &msg, flags));
831 } else {
832 ret = get_errno(recvmsg(fd, &msg, flags));
833 if (!is_error(ret))
834 host_to_target_cmsg(msgp, &msg);
835 }
836 unlock_iovec(vec, target_vec, count, !send);
837 return ret;
838}
839
1be9e1dc
PB		 840static long do_accept(int fd, target_ulong target_addr,
841 target_ulong target_addrlen)
842{
843 socklen_t addrlen = tget32(target_addrlen);
197ea35a 844 void *addr = alloca(addrlen);
1be9e1dc
PB		 845 long ret;
846
847 ret = get_errno(accept(fd, addr, &addrlen));
848 if (!is_error(ret)) {
849 host_to_target_sockaddr(target_addr, addr, addrlen);
850 tput32(target_addrlen, addrlen);
851 }
852 return ret;
853}
854
855static long do_getpeername(int fd, target_ulong target_addr,
856 target_ulong target_addrlen)
857{
858 socklen_t addrlen = tget32(target_addrlen);
859 void *addr = alloca(target_addrlen);
860 long ret;
861
862 ret = get_errno(getpeername(fd, addr, &addrlen));
863 if (!is_error(ret)) {
864 host_to_target_sockaddr(target_addr, addr, addrlen);
865 tput32(target_addrlen, addrlen);
866 }
867 return ret;
868}
869
870static long do_getsockname(int fd, target_ulong target_addr,
871 target_ulong target_addrlen)
872{
873 socklen_t addrlen = tget32(target_addrlen);
874 void *addr = alloca(target_addrlen);
875 long ret;
876
877 ret = get_errno(getsockname(fd, addr, &addrlen));
878 if (!is_error(ret)) {
879 host_to_target_sockaddr(target_addr, addr, addrlen);
880 tput32(target_addrlen, addrlen);
881 }
882 return ret;
883}
884
885static long do_socketpair(int domain, int type, int protocol,
886 target_ulong target_tab)
887{
888 int tab[2];
889 long ret;
890
891 ret = get_errno(socketpair(domain, type, protocol, tab));
892 if (!is_error(ret)) {
893 tput32(target_tab, tab[0]);
894 tput32(target_tab + 4, tab[1]);
895 }
896 return ret;
897}
898
899static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
900 target_ulong target_addr, socklen_t addrlen)
901{
902 void *addr;
903 void *host_msg;
904 long ret;
905
906 host_msg = lock_user(msg, len, 1);
907 if (target_addr) {
908 addr = alloca(addrlen);
909 target_to_host_sockaddr(addr, target_addr, addrlen);
910 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
911 } else {
912 ret = get_errno(send(fd, host_msg, len, flags));
913 }
914 unlock_user(host_msg, msg, 0);
915 return ret;
916}
917
918static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
919 target_ulong target_addr, target_ulong target_addrlen)
920{
921 socklen_t addrlen;
922 void *addr;
923 void *host_msg;
924 long ret;
925
926 host_msg = lock_user(msg, len, 0);
927 if (target_addr) {
928 addrlen = tget32(target_addrlen);
929 addr = alloca(addrlen);
930 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
931 } else {
932 addr = NULL; /* To keep compiler quiet. */
933 ret = get_errno(recv(fd, host_msg, len, flags));
934 }
935 if (!is_error(ret)) {
936 if (target_addr) {
937 host_to_target_sockaddr(target_addr, addr, addrlen);
938 tput32(target_addrlen, addrlen);
939 }
940 unlock_user(host_msg, msg, len);
941 } else {
942 unlock_user(host_msg, msg, 0);
943 }
944 return ret;
945}
946
53a5960a 947static long do_socketcall(int num, target_ulong vptr)
31e31b8a
FB		 948{
949 long ret;
53a5960a 950 const int n = sizeof(target_ulong);
31e31b8a
FB		 951
952 switch(num) {
953 case SOCKOP_socket:
7854b056 954 {
53a5960a
PB		 955 int domain = tgetl(vptr);
956 int type = tgetl(vptr + n);
957 int protocol = tgetl(vptr + 2 * n);
3532fa74 958 ret = do_socket(domain, type, protocol);
7854b056 959 }
31e31b8a
FB		 960 break;
961 case SOCKOP_bind:
7854b056 962 {
53a5960a
PB		 963 int sockfd = tgetl(vptr);
964 target_ulong target_addr = tgetl(vptr + n);
965 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 966 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 967 }
31e31b8a
FB		 968 break;
969 case SOCKOP_connect:
7854b056 970 {
53a5960a
PB		 971 int sockfd = tgetl(vptr);
972 target_ulong target_addr = tgetl(vptr + n);
973 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 974 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 975 }
31e31b8a
FB		 976 break;
977 case SOCKOP_listen:
7854b056 978 {
53a5960a
PB		 979 int sockfd = tgetl(vptr);
980 int backlog = tgetl(vptr + n);
7854b056
FB		 981 ret = get_errno(listen(sockfd, backlog));
982 }
31e31b8a
FB		 983 break;
984 case SOCKOP_accept:
985 {
53a5960a
PB		 986 int sockfd = tgetl(vptr);
987 target_ulong target_addr = tgetl(vptr + n);
988 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 989 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 990 }
991 break;
992 case SOCKOP_getsockname:
993 {
53a5960a
PB		 994 int sockfd = tgetl(vptr);
995 target_ulong target_addr = tgetl(vptr + n);
996 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 997 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 998 }
999 break;
1000 case SOCKOP_getpeername:
1001 {
53a5960a
PB		 1002 int sockfd = tgetl(vptr);
1003 target_ulong target_addr = tgetl(vptr + n);
1004 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1005 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1006 }
1007 break;
1008 case SOCKOP_socketpair:
1009 {
53a5960a
PB		 1010 int domain = tgetl(vptr);
1011 int type = tgetl(vptr + n);
1012 int protocol = tgetl(vptr + 2 * n);
1be9e1dc
PB		 1013 target_ulong tab = tgetl(vptr + 3 * n);
1014 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1015 }
1016 break;
1017 case SOCKOP_send:
7854b056 1018 {
53a5960a
PB		 1019 int sockfd = tgetl(vptr);
1020 target_ulong msg = tgetl(vptr + n);
1021 size_t len = tgetl(vptr + 2 * n);
1022 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1023 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1024 }
31e31b8a
FB		 1025 break;
1026 case SOCKOP_recv:
7854b056 1027 {
53a5960a
PB		 1028 int sockfd = tgetl(vptr);
1029 target_ulong msg = tgetl(vptr + n);
1030 size_t len = tgetl(vptr + 2 * n);
1031 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1032 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1033 }
31e31b8a
FB		 1034 break;
1035 case SOCKOP_sendto:
7854b056 1036 {
53a5960a
PB		 1037 int sockfd = tgetl(vptr);
1038 target_ulong msg = tgetl(vptr + n);
1039 size_t len = tgetl(vptr + 2 * n);
1040 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1041 target_ulong addr = tgetl(vptr + 4 * n);
53a5960a 1042 socklen_t addrlen = tgetl(vptr + 5 * n);
1be9e1dc 1043 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1044 }
31e31b8a
FB		 1045 break;
1046 case SOCKOP_recvfrom:
1047 {
53a5960a
PB		 1048 int sockfd = tgetl(vptr);
1049 target_ulong msg = tgetl(vptr + n);
1050 size_t len = tgetl(vptr + 2 * n);
1051 int flags = tgetl(vptr + 3 * n);
1be9e1dc
PB		 1052 target_ulong addr = tgetl(vptr + 4 * n);
1053 target_ulong addrlen = tgetl(vptr + 5 * n);
1054 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1055 }
1056 break;
1057 case SOCKOP_shutdown:
7854b056 1058 {
53a5960a
PB		 1059 int sockfd = tgetl(vptr);
1060 int how = tgetl(vptr + n);
7854b056
FB		 1061
1062 ret = get_errno(shutdown(sockfd, how));
1063 }
31e31b8a
FB		 1064 break;
1065 case SOCKOP_sendmsg:
1066 case SOCKOP_recvmsg:
1a9353d2
FB		 1067 {
1068 int fd;
53a5960a 1069 target_ulong target_msg;
3532fa74 1070 int flags;
1a9353d2 1071
53a5960a 1072 fd = tgetl(vptr);
3532fa74 1073 target_msg = tgetl(vptr + n);
53a5960a 1074 flags = tgetl(vptr + 2 * n);
3532fa74
FB		 1075
1076 ret = do_sendrecvmsg(fd, target_msg, flags,
1077 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1078 }
1079 break;
31e31b8a 1080 case SOCKOP_setsockopt:
7854b056 1081 {
53a5960a
PB		 1082 int sockfd = tgetl(vptr);
1083 int level = tgetl(vptr + n);
1084 int optname = tgetl(vptr + 2 * n);
1085 target_ulong optval = tgetl(vptr + 3 * n);
1086 socklen_t optlen = tgetl(vptr + 4 * n);
7854b056
FB		 1087
1088 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1089 }
1090 break;
31e31b8a 1091 case SOCKOP_getsockopt:
7854b056 1092 {
53a5960a
PB		 1093 int sockfd = tgetl(vptr);
1094 int level = tgetl(vptr + n);
1095 int optname = tgetl(vptr + 2 * n);
1096 target_ulong optval = tgetl(vptr + 3 * n);
1097 target_ulong poptlen = tgetl(vptr + 4 * n);
7854b056 1098
8853f86e 1099 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
7854b056
FB		 1100 }
1101 break;
31e31b8a
FB		 1102 default:
1103 gemu_log("Unsupported socketcall: %d\n", num);
1104 ret = -ENOSYS;
1105 break;
1106 }
1107 return ret;
1108}
1109
8853f86e
FB		 1110#define N_SHM_REGIONS 32
1111
1112static struct shm_region {
1113 uint32_t start;
1114 uint32_t size;
1115} shm_regions[N_SHM_REGIONS];
1116
53a5960a 1117/* ??? This only works with linear mappings. */
8853f86e
FB		 1118static long do_ipc(long call, long first, long second, long third,
1119 long ptr, long fifth)
1120{
1121 int version;
1122 long ret = 0;
1123 unsigned long raddr;
1124 struct shmid_ds shm_info;
1125 int i;
1126
1127 version = call >> 16;
1128 call &= 0xffff;
1129
1130 switch (call) {
1131 case IPCOP_shmat:
1132 /* SHM_* flags are the same on all linux platforms */
1133 ret = get_errno((long) shmat(first, (void *) ptr, second));
1134 if (is_error(ret))
1135 break;
1136 raddr = ret;
1137 /* find out the length of the shared memory segment */
1138
1139 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1140 if (is_error(ret)) {
1141 /* can't get length, bail out */
1142 shmdt((void *) raddr);
1143 break;
1144 }
1145 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1146 PAGE_VALID | PAGE_READ |
1147 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1148 for (i = 0; i < N_SHM_REGIONS; ++i) {
1149 if (shm_regions[i].start == 0) {
1150 shm_regions[i].start = raddr;
1151 shm_regions[i].size = shm_info.shm_segsz;
1152 break;
1153 }
1154 }
1155 if (put_user(raddr, (uint32_t *)third))
1156 return -EFAULT;
1157 ret = 0;
1158 break;
1159 case IPCOP_shmdt:
1160 for (i = 0; i < N_SHM_REGIONS; ++i) {
1161 if (shm_regions[i].start == ptr) {
1162 shm_regions[i].start = 0;
1163 page_set_flags(ptr, shm_regions[i].size, 0);
1164 break;
1165 }
1166 }
1167 ret = get_errno(shmdt((void *) ptr));
1168 break;
1169
1170 case IPCOP_shmget:
1171 /* IPC_* flag values are the same on all linux platforms */
1172 ret = get_errno(shmget(first, second, third));
1173 break;
1174
1175 /* IPC_* and SHM_* command values are the same on all linux platforms */
1176 case IPCOP_shmctl:
1177 switch(second) {
1178 case IPC_RMID:
1179 case SHM_LOCK:
1180 case SHM_UNLOCK:
1181 ret = get_errno(shmctl(first, second, NULL));
1182 break;
1183 default:
1184 goto unimplemented;
1185 }
1186 break;
1187 default:
1188 unimplemented:
1189 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1190 ret = -ENOSYS;
1191 break;
1192 }
1193 return ret;
1194}
1195
31e31b8a
FB		 1196/* kernel structure types definitions */
1197#define IFNAMSIZ 16
1198
1199#define STRUCT(name, list...) STRUCT_ ## name,
1200#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1201enum {
1202#include "syscall_types.h"
1203};
1204#undef STRUCT
1205#undef STRUCT_SPECIAL
1206
1207#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1208#define STRUCT_SPECIAL(name)
1209#include "syscall_types.h"
1210#undef STRUCT
1211#undef STRUCT_SPECIAL
1212
1213typedef struct IOCTLEntry {
2ab83ea7
FB		 1214 unsigned int target_cmd;
1215 unsigned int host_cmd;
31e31b8a
FB		 1216 const char *name;
1217 int access;
1a9353d2 1218 const argtype arg_type[5];
31e31b8a
FB		 1219} IOCTLEntry;
1220
1221#define IOC_R 0x0001
1222#define IOC_W 0x0002
1223#define IOC_RW (IOC_R | IOC_W)
1224
1225#define MAX_STRUCT_SIZE 4096
1226
2ab83ea7 1227IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 1228#define IOCTL(cmd, access, types...) \
1229 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1230#include "ioctls.h"
1231 { 0, 0, },
1232};
1233
53a5960a 1234/* ??? Implement proper locking for ioctls. */
31e31b8a
FB		 1235static long do_ioctl(long fd, long cmd, long arg)
1236{
1237 const IOCTLEntry *ie;
1238 const argtype *arg_type;
1239 long ret;
1240 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 1241 int target_size;
1242 void *argptr;
31e31b8a
FB		 1243
1244 ie = ioctl_entries;
1245 for(;;) {
1246 if (ie->target_cmd == 0) {
1247 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1248 return -ENOSYS;
1249 }
1250 if (ie->target_cmd == cmd)
1251 break;
1252 ie++;
1253 }
1254 arg_type = ie->arg_type;
9de5e440 1255#if defined(DEBUG)
72f03900
FB		 1256 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1257#endif
31e31b8a
FB		 1258 switch(arg_type[0]) {
1259 case TYPE_NULL:
1260 /* no argument */
1261 ret = get_errno(ioctl(fd, ie->host_cmd));
1262 break;
1263 case TYPE_PTRVOID:
1264 case TYPE_INT:
1265 /* int argment */
1266 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1267 break;
1268 case TYPE_PTR:
1269 arg_type++;
53a5960a 1270 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 1271 switch(ie->access) {
1272 case IOC_R:
1273 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1274 if (!is_error(ret)) {
53a5960a
PB		 1275 argptr = lock_user(arg, target_size, 0);
1276 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1277 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1278 }
1279 break;
1280 case IOC_W:
53a5960a
PB		 1281 argptr = lock_user(arg, target_size, 1);
1282 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1283 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1284 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1285 break;
1286 default:
1287 case IOC_RW:
53a5960a
PB		 1288 argptr = lock_user(arg, target_size, 1);
1289 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1290 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1291 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1292 if (!is_error(ret)) {
53a5960a
PB		 1293 argptr = lock_user(arg, target_size, 0);
1294 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1295 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1296 }
1297 break;
1298 }
1299 break;
1300 default:
1301 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1302 ret = -ENOSYS;
1303 break;
1304 }
1305 return ret;
1306}
1307
1308bitmask_transtbl iflag_tbl[] = {
1309 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1310 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1311 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1312 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1313 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1314 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1315 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1316 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1317 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1318 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1319 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1320 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1321 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1322 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1323 { 0, 0, 0, 0 }
1324};
1325
1326bitmask_transtbl oflag_tbl[] = {
1327 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1328 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1329 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1330 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1331 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1332 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1333 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1334 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1335 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1336 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1337 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1338 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1339 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1340 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1341 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1342 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1343 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1344 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1345 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1346 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1347 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1348 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1349 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1350 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1351 { 0, 0, 0, 0 }
1352};
1353
1354bitmask_transtbl cflag_tbl[] = {
1355 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1356 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1357 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1358 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1359 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1360 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1361 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1362 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1363 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1364 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1365 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1366 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1367 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1368 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1369 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1370 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1371 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1372 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1373 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1374 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1375 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1376 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1377 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1378 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1379 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1380 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1381 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1382 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1383 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1384 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1385 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1386 { 0, 0, 0, 0 }
1387};
1388
1389bitmask_transtbl lflag_tbl[] = {
1390 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1391 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1392 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1393 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1394 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1395 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1396 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1397 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1398 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1399 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1400 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1401 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1402 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1403 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1404 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1405 { 0, 0, 0, 0 }
1406};
1407
1408static void target_to_host_termios (void *dst, const void *src)
1409{
1410 struct host_termios *host = dst;
1411 const struct target_termios *target = src;
1412
1413 host->c_iflag =
1414 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1415 host->c_oflag =
1416 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1417 host->c_cflag =
1418 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1419 host->c_lflag =
1420 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1421 host->c_line = target->c_line;
1422
1423 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1424 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1425 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1426 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1427 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1428 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1429 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1430 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1431 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1432 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1433 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1434 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1435 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1436 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1437 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1438 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1439 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1440}
1441
1442static void host_to_target_termios (void *dst, const void *src)
1443{
1444 struct target_termios *target = dst;
1445 const struct host_termios *host = src;
1446
1447 target->c_iflag =
1448 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1449 target->c_oflag =
1450 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1451 target->c_cflag =
1452 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1453 target->c_lflag =
1454 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1455 target->c_line = host->c_line;
1456
1457 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1458 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1459 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1460 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1461 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1462 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1463 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1464 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1465 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1466 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1467 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1468 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1469 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1470 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1471 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1472 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1473 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1474}
1475
1476StructEntry struct_termios_def = {
1477 .convert = { host_to_target_termios, target_to_host_termios },
1478 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1479 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1480};
1481
5286db75
FB		 1482static bitmask_transtbl mmap_flags_tbl[] = {
1483 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1484 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1485 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1486 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1487 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1488 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1489 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1490 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1491 { 0, 0, 0, 0 }
1492};
1493
ffa65c3b
FB		 1494static bitmask_transtbl fcntl_flags_tbl[] = {
1495 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1496 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1497 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1498 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1499 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1500 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1501 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1502 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1503 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1504 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1505 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1506 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1507 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 1508#if defined(O_DIRECT)
ffa65c3b 1509 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 1510#endif
ffa65c3b
FB		 1511 { 0, 0, 0, 0 }
1512};
1513
2ab83ea7 1514#if defined(TARGET_I386)
6dbad63e
FB		 1515
1516/* NOTE: there is really one LDT for all the threads */
1517uint8_t *ldt_table;
1518
53a5960a 1519static int read_ldt(target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1520{
1521 int size;
53a5960a 1522 void *p;
6dbad63e
FB		 1523
1524 if (!ldt_table)
1525 return 0;
1526 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1527 if (size > bytecount)
1528 size = bytecount;
53a5960a
PB		 1529 p = lock_user(ptr, size, 0);
1530 /* ??? Shoudl this by byteswapped? */
1531 memcpy(p, ldt_table, size);
1532 unlock_user(p, ptr, size);
6dbad63e
FB		 1533 return size;
1534}
1535
1536/* XXX: add locking support */
1537static int write_ldt(CPUX86State *env,
53a5960a 1538 target_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 1539{
1540 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 1541 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e
FB		 1542 int seg_32bit, contents, read_exec_only, limit_in_pages;
1543 int seg_not_present, useable;
1544 uint32_t *lp, entry_1, entry_2;
1545
1546 if (bytecount != sizeof(ldt_info))
1547 return -EINVAL;
53a5960a
PB		 1548 lock_user_struct(target_ldt_info, ptr, 1);
1549 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1550 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1551 ldt_info.limit = tswap32(target_ldt_info->limit);
1552 ldt_info.flags = tswap32(target_ldt_info->flags);
1553 unlock_user_struct(target_ldt_info, ptr, 0);
6dbad63e
FB		 1554
1555 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1556 return -EINVAL;
1557 seg_32bit = ldt_info.flags & 1;
1558 contents = (ldt_info.flags >> 1) & 3;
1559 read_exec_only = (ldt_info.flags >> 3) & 1;
1560 limit_in_pages = (ldt_info.flags >> 4) & 1;
1561 seg_not_present = (ldt_info.flags >> 5) & 1;
1562 useable = (ldt_info.flags >> 6) & 1;
1563
1564 if (contents == 3) {
1565 if (oldmode)
1566 return -EINVAL;
1567 if (seg_not_present == 0)
1568 return -EINVAL;
1569 }
1570 /* allocate the LDT */
1571 if (!ldt_table) {
1572 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1573 if (!ldt_table)
1574 return -ENOMEM;
1575 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
53a5960a 1576 env->ldt.base = h2g(ldt_table);
6dbad63e
FB		 1577 env->ldt.limit = 0xffff;
1578 }
1579
1580 /* NOTE: same code as Linux kernel */
1581 /* Allow LDTs to be cleared by the user. */
1582 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1583 if (oldmode ||
1584 (contents == 0 &&
1585 read_exec_only == 1 &&
1586 seg_32bit == 0 &&
1587 limit_in_pages == 0 &&
1588 seg_not_present == 1 &&
1589 useable == 0 )) {
1590 entry_1 = 0;
1591 entry_2 = 0;
1592 goto install;
1593 }
1594 }
1595
1596 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1597 (ldt_info.limit & 0x0ffff);
1598 entry_2 = (ldt_info.base_addr & 0xff000000) |
1599 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1600 (ldt_info.limit & 0xf0000) |
1601 ((read_exec_only ^ 1) << 9) |
1602 (contents << 10) |
1603 ((seg_not_present ^ 1) << 15) |
1604 (seg_32bit << 22) |
1605 (limit_in_pages << 23) |
1606 0x7000;
1607 if (!oldmode)
1608 entry_2 |= (useable << 20);
14ae3ba7 1609
6dbad63e
FB		 1610 /* Install the new entry ... */
1611install:
1612 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1613 lp[0] = tswap32(entry_1);
1614 lp[1] = tswap32(entry_2);
1615 return 0;
1616}
1617
1618/* specific and weird i386 syscalls */
53a5960a 1619int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1620{
1621 int ret = -ENOSYS;
1622
1623 switch (func) {
1624 case 0:
1625 ret = read_ldt(ptr, bytecount);
1626 break;
1627 case 1:
1628 ret = write_ldt(env, ptr, bytecount, 1);
1629 break;
1630 case 0x11:
1631 ret = write_ldt(env, ptr, bytecount, 0);
1632 break;
1633 }
1634 return ret;
1635}
1b6b029e 1636
2ab83ea7
FB		 1637#endif /* defined(TARGET_I386) */
1638
1b6b029e
FB		 1639/* this stack is the equivalent of the kernel stack associated with a
1640 thread/process */
1641#define NEW_STACK_SIZE 8192
1642
1643static int clone_func(void *arg)
1644{
2ab83ea7 1645 CPUState *env = arg;
1b6b029e
FB		 1646 cpu_loop(env);
1647 /* never exits */
1648 return 0;
1649}
1650
2ab83ea7 1651int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1b6b029e
FB		 1652{
1653 int ret;
5cd4393b 1654 TaskState *ts;
1b6b029e 1655 uint8_t *new_stack;
2ab83ea7 1656 CPUState *new_env;
1b6b029e
FB		 1657
1658 if (flags & CLONE_VM) {
5cd4393b
FB		 1659 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
1660 memset(ts, 0, sizeof(TaskState));
1661 new_stack = ts->stack;
1662 ts->used = 1;
1663 /* add in task state list */
1664 ts->next = first_task_state;
1665 first_task_state = ts;
1b6b029e 1666 /* we create a new CPU instance. */
2ab83ea7
FB		 1667 new_env = cpu_init();
1668 memcpy(new_env, env, sizeof(CPUState));
1669#if defined(TARGET_I386)
1670 if (!newsp)
1671 newsp = env->regs[R_ESP];
1b6b029e
FB		 1672 new_env->regs[R_ESP] = newsp;
1673 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 1674#elif defined(TARGET_ARM)
1675 if (!newsp)
1676 newsp = env->regs[13];
1677 new_env->regs[13] = newsp;
1678 new_env->regs[0] = 0;
ebc05488 1679#elif defined(TARGET_SPARC)
48dc41eb
FB		 1680 if (!newsp)
1681 newsp = env->regwptr[22];
1682 new_env->regwptr[22] = newsp;
1683 new_env->regwptr[0] = 0;
1684 /* XXXXX */
67867308 1685 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
e6e5906b
PB		 1686#elif defined(TARGET_M68K)
1687 if (!newsp)
1688 newsp = env->aregs[7];
1689 new_env->aregs[7] = newsp;
1690 new_env->dregs[0] = 0;
1691 /* ??? is this sufficient? */
048f6b4d
FB		 1692#elif defined(TARGET_MIPS)
1693 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
67867308
FB		 1694#elif defined(TARGET_PPC)
1695 if (!newsp)
1696 newsp = env->gpr[1];
1697 new_env->gpr[1] = newsp;
1698 {
1699 int i;
1700 for (i = 7; i < 32; i++)
1701 new_env->gpr[i] = 0;
1702 }
fdf9b3e8
FB		 1703#elif defined(TARGET_SH4)
1704 if (!newsp)
1705 newsp = env->gregs[15];
1706 new_env->gregs[15] = newsp;
1707 /* XXXXX */
2ab83ea7
FB		 1708#else
1709#error unsupported target CPU
1710#endif
5cd4393b 1711 new_env->opaque = ts;
27725c1d 1712#ifdef __ia64__
fd4a43e4 1713 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 1714#else
1715 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
1716#endif
1b6b029e
FB		 1717 } else {
1718 /* if no CLONE_VM, we consider it is a fork */
1719 if ((flags & ~CSIGNAL) != 0)
1720 return -EINVAL;
1721 ret = fork();
1722 }
1723 return ret;
1724}
1725
53a5960a 1726static long do_fcntl(int fd, int cmd, target_ulong arg)
7775e9ec
FB		 1727{
1728 struct flock fl;
53a5960a 1729 struct target_flock *target_fl;
43f238d7
TS		 1730 struct flock64 fl64;
1731 struct target_flock64 *target_fl64;
7775e9ec 1732 long ret;
53a5960a 1733
7775e9ec
FB		 1734 switch(cmd) {
1735 case TARGET_F_GETLK:
1736 ret = fcntl(fd, cmd, &fl);
1737 if (ret == 0) {
53a5960a 1738 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1739 target_fl->l_type = tswap16(fl.l_type);
1740 target_fl->l_whence = tswap16(fl.l_whence);
1741 target_fl->l_start = tswapl(fl.l_start);
1742 target_fl->l_len = tswapl(fl.l_len);
1743 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 1744 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1745 }
1746 break;
1747
1748 case TARGET_F_SETLK:
1749 case TARGET_F_SETLKW:
53a5960a 1750 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1751 fl.l_type = tswap16(target_fl->l_type);
1752 fl.l_whence = tswap16(target_fl->l_whence);
1753 fl.l_start = tswapl(target_fl->l_start);
1754 fl.l_len = tswapl(target_fl->l_len);
1755 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 1756 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1757 ret = fcntl(fd, cmd, &fl);
1758 break;
1759
1760 case TARGET_F_GETLK64:
43f238d7
TS		 1761 ret = fcntl(fd, cmd >> 1, &fl64);
1762 if (ret == 0) {
1763 lock_user_struct(target_fl64, arg, 0);
1764 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
1765 target_fl64->l_whence = tswap16(fl64.l_whence);
1766 target_fl64->l_start = tswapl(fl64.l_start);
1767 target_fl64->l_len = tswapl(fl64.l_len);
1768 target_fl64->l_pid = tswapl(fl64.l_pid);
1769 unlock_user_struct(target_fl64, arg, 1);
1770 }
1771 break;
7775e9ec
FB		 1772 case TARGET_F_SETLK64:
1773 case TARGET_F_SETLKW64:
43f238d7
TS		 1774 lock_user_struct(target_fl64, arg, 1);
1775 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
1776 fl64.l_whence = tswap16(target_fl64->l_whence);
1777 fl64.l_start = tswapl(target_fl64->l_start);
1778 fl64.l_len = tswapl(target_fl64->l_len);
1779 fl64.l_pid = tswap16(target_fl64->l_pid);
1780 unlock_user_struct(target_fl64, arg, 0);
1781 ret = fcntl(fd, cmd >> 1, &fl64);
7775e9ec
FB		 1782 break;
1783
ffa65c3b
FB		 1784 case F_GETFL:
1785 ret = fcntl(fd, cmd, arg);
1786 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1787 break;
1788
1789 case F_SETFL:
1790 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1791 break;
1792
7775e9ec
FB		 1793 default:
1794 ret = fcntl(fd, cmd, arg);
1795 break;
1796 }
1797 return ret;
1798}
1799
67867308 1800#ifdef USE_UID16
7775e9ec 1801
67867308
FB		 1802static inline int high2lowuid(int uid)
1803{
1804 if (uid > 65535)
1805 return 65534;
1806 else
1807 return uid;
1808}
1809
1810static inline int high2lowgid(int gid)
1811{
1812 if (gid > 65535)
1813 return 65534;
1814 else
1815 return gid;
1816}
1817
1818static inline int low2highuid(int uid)
1819{
1820 if ((int16_t)uid == -1)
1821 return -1;
1822 else
1823 return uid;
1824}
1825
1826static inline int low2highgid(int gid)
1827{
1828 if ((int16_t)gid == -1)
1829 return -1;
1830 else
1831 return gid;
1832}
1833
1834#endif /* USE_UID16 */
1b6b029e 1835
31e31b8a
FB		 1836void syscall_init(void)
1837{
2ab83ea7
FB		 1838 IOCTLEntry *ie;
1839 const argtype *arg_type;
1840 int size;
1841
31e31b8a
FB		 1842#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1843#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1844#include "syscall_types.h"
1845#undef STRUCT
1846#undef STRUCT_SPECIAL
2ab83ea7
FB		 1847
1848 /* we patch the ioctl size if necessary. We rely on the fact that
1849 no ioctl has all the bits at '1' in the size field */
1850 ie = ioctl_entries;
1851 while (ie->target_cmd != 0) {
1852 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1853 TARGET_IOC_SIZEMASK) {
1854 arg_type = ie->arg_type;
1855 if (arg_type[0] != TYPE_PTR) {
1856 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1857 ie->target_cmd);
1858 exit(1);
1859 }
1860 arg_type++;
1861 size = thunk_type_size(arg_type, 0);
1862 ie->target_cmd = (ie->target_cmd &
1863 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1864 (size << TARGET_IOC_SIZESHIFT);
1865 }
1866 /* automatic consistency check if same arch */
1867#if defined(__i386__) && defined(TARGET_I386)
1868 if (ie->target_cmd != ie->host_cmd) {
1869 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1870 ie->target_cmd, ie->host_cmd);
1871 }
1872#endif
1873 ie++;
1874 }
31e31b8a 1875}
c573ff67 1876
ce4defa0
PB		 1877static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1878{
1879#ifdef TARGET_WORDS_BIG_ENDIAN
1880 return ((uint64_t)word0 << 32) | word1;
1881#else
1882 return ((uint64_t)word1 << 32) | word0;
1883#endif
1884}
1885
1886#ifdef TARGET_NR_truncate64
1887static inline long target_truncate64(void *cpu_env, const char *arg1,
1888 long arg2, long arg3, long arg4)
1889{
1890#ifdef TARGET_ARM
1891 if (((CPUARMState *)cpu_env)->eabi)
1892 {
1893 arg2 = arg3;
1894 arg3 = arg4;
1895 }
1896#endif
1897 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1898}
1899#endif
1900
1901#ifdef TARGET_NR_ftruncate64
1902static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1903 long arg3, long arg4)
1904{
1905#ifdef TARGET_ARM
1906 if (((CPUARMState *)cpu_env)->eabi)
1907 {
1908 arg2 = arg3;
1909 arg3 = arg4;
1910 }
1911#endif
1912 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1913}
1914#endif
1915
53a5960a
PB		 1916static inline void target_to_host_timespec(struct timespec *host_ts,
1917 target_ulong target_addr)
1918{
1919 struct target_timespec *target_ts;
1920
1921 lock_user_struct(target_ts, target_addr, 1);
1922 host_ts->tv_sec = tswapl(target_ts->tv_sec);
1923 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
1924 unlock_user_struct(target_ts, target_addr, 0);
1925}
1926
1927static inline void host_to_target_timespec(target_ulong target_addr,
1928 struct timespec *host_ts)
1929{
1930 struct target_timespec *target_ts;
1931
1932 lock_user_struct(target_ts, target_addr, 0);
1933 target_ts->tv_sec = tswapl(host_ts->tv_sec);
1934 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
1935 unlock_user_struct(target_ts, target_addr, 1);
1936}
1937
6dbad63e 1938long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 1939 long arg4, long arg5, long arg6)
1940{
1941 long ret;
1942 struct stat st;
56c8f68f 1943 struct statfs stfs;
53a5960a 1944 void *p;
31e31b8a 1945
72f03900 1946#ifdef DEBUG
c573ff67 1947 gemu_log("syscall %d", num);
72f03900 1948#endif
31e31b8a
FB		 1949 switch(num) {
1950 case TARGET_NR_exit:
7d13299d
FB		 1951#ifdef HAVE_GPROF
1952 _mcleanup();
1953#endif
e9009676 1954 gdb_exit(cpu_env, arg1);
1b6b029e 1955 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 1956 _exit(arg1);
1957 ret = 0; /* avoid warning */
1958 break;
1959 case TARGET_NR_read:
53a5960a
PB		 1960 page_unprotect_range(arg2, arg3);
1961 p = lock_user(arg2, arg3, 0);
1962 ret = get_errno(read(arg1, p, arg3));
1963 unlock_user(p, arg2, ret);
31e31b8a
FB		 1964 break;
1965 case TARGET_NR_write:
53a5960a
PB		 1966 p = lock_user(arg2, arg3, 1);
1967 ret = get_errno(write(arg1, p, arg3));
1968 unlock_user(p, arg2, 0);
31e31b8a
FB		 1969 break;
1970 case TARGET_NR_open:
53a5960a
PB		 1971 p = lock_user_string(arg1);
1972 ret = get_errno(open(path(p),
ffa65c3b
FB		 1973 target_to_host_bitmask(arg2, fcntl_flags_tbl),
1974 arg3));
53a5960a 1975 unlock_user(p, arg1, 0);
31e31b8a
FB		 1976 break;
1977 case TARGET_NR_close:
1978 ret = get_errno(close(arg1));
1979 break;
1980 case TARGET_NR_brk:
53a5960a 1981 ret = do_brk(arg1);
31e31b8a
FB		 1982 break;
1983 case TARGET_NR_fork:
1b6b029e 1984 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a
FB		 1985 break;
1986 case TARGET_NR_waitpid:
1987 {
53a5960a
PB		 1988 int status;
1989 ret = get_errno(waitpid(arg1, &status, arg3));
1990 if (!is_error(ret) && arg2)
1991 tput32(arg2, status);
31e31b8a
FB		 1992 }
1993 break;
1994 case TARGET_NR_creat:
53a5960a
PB		 1995 p = lock_user_string(arg1);
1996 ret = get_errno(creat(p, arg2));
1997 unlock_user(p, arg1, 0);
31e31b8a
FB		 1998 break;
1999 case TARGET_NR_link:
53a5960a
PB		 2000 {
2001 void * p2;
2002 p = lock_user_string(arg1);
2003 p2 = lock_user_string(arg2);
2004 ret = get_errno(link(p, p2));
2005 unlock_user(p2, arg2, 0);
2006 unlock_user(p, arg1, 0);
2007 }
31e31b8a
FB		 2008 break;
2009 case TARGET_NR_unlink:
53a5960a
PB		 2010 p = lock_user_string(arg1);
2011 ret = get_errno(unlink(p));
2012 unlock_user(p, arg1, 0);
31e31b8a
FB		 2013 break;
2014 case TARGET_NR_execve:
7854b056
FB		 2015 {
2016 char **argp, **envp;
f7341ff4 2017 int argc, envc;
53a5960a
PB		 2018 target_ulong gp;
2019 target_ulong guest_argp;
2020 target_ulong guest_envp;
2021 target_ulong addr;
7854b056
FB		 2022 char **q;
2023
f7341ff4 2024 argc = 0;
53a5960a
PB		 2025 guest_argp = arg2;
2026 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2027 argc++;
f7341ff4 2028 envc = 0;
53a5960a
PB		 2029 guest_envp = arg3;
2030 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2031 envc++;
2032
f7341ff4
FB		 2033 argp = alloca((argc + 1) * sizeof(void *));
2034 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2035
53a5960a
PB		 2036 for (gp = guest_argp, q = argp; ;
2037 gp += sizeof(target_ulong), q++) {
2038 addr = tgetl(gp);
2039 if (!addr)
2040 break;
2041 *q = lock_user_string(addr);
2042 }
f7341ff4
FB		 2043 *q = NULL;
2044
53a5960a
PB		 2045 for (gp = guest_envp, q = envp; ;
2046 gp += sizeof(target_ulong), q++) {
2047 addr = tgetl(gp);
2048 if (!addr)
2049 break;
2050 *q = lock_user_string(addr);
2051 }
f7341ff4 2052 *q = NULL;
7854b056 2053
53a5960a
PB		 2054 p = lock_user_string(arg1);
2055 ret = get_errno(execve(p, argp, envp));
2056 unlock_user(p, arg1, 0);
2057
2058 for (gp = guest_argp, q = argp; *q;
2059 gp += sizeof(target_ulong), q++) {
2060 addr = tgetl(gp);
2061 unlock_user(*q, addr, 0);
2062 }
2063 for (gp = guest_envp, q = envp; *q;
2064 gp += sizeof(target_ulong), q++) {
2065 addr = tgetl(gp);
2066 unlock_user(*q, addr, 0);
2067 }
7854b056 2068 }
31e31b8a
FB		 2069 break;
2070 case TARGET_NR_chdir:
53a5960a
PB		 2071 p = lock_user_string(arg1);
2072 ret = get_errno(chdir(p));
2073 unlock_user(p, arg1, 0);
31e31b8a 2074 break;
a315a145 2075#ifdef TARGET_NR_time
31e31b8a
FB		 2076 case TARGET_NR_time:
2077 {
53a5960a
PB		 2078 time_t host_time;
2079 ret = get_errno(time(&host_time));
2080 if (!is_error(ret) && arg1)
2081 tputl(arg1, host_time);
31e31b8a
FB		 2082 }
2083 break;
a315a145 2084#endif
31e31b8a 2085 case TARGET_NR_mknod:
53a5960a
PB		 2086 p = lock_user_string(arg1);
2087 ret = get_errno(mknod(p, arg2, arg3));
2088 unlock_user(p, arg1, 0);
31e31b8a
FB		 2089 break;
2090 case TARGET_NR_chmod:
53a5960a
PB		 2091 p = lock_user_string(arg1);
2092 ret = get_errno(chmod(p, arg2));
2093 unlock_user(p, arg1, 0);
31e31b8a 2094 break;
ebc05488 2095#ifdef TARGET_NR_break
31e31b8a
FB		 2096 case TARGET_NR_break:
2097 goto unimplemented;
ebc05488
FB		 2098#endif
2099#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2100 case TARGET_NR_oldstat:
2101 goto unimplemented;
ebc05488 2102#endif
31e31b8a
FB		 2103 case TARGET_NR_lseek:
2104 ret = get_errno(lseek(arg1, arg2, arg3));
2105 break;
2106 case TARGET_NR_getpid:
2107 ret = get_errno(getpid());
2108 break;
2109 case TARGET_NR_mount:
2110 /* need to look at the data field */
2111 goto unimplemented;
2112 case TARGET_NR_umount:
53a5960a
PB		 2113 p = lock_user_string(arg1);
2114 ret = get_errno(umount(p));
2115 unlock_user(p, arg1, 0);
31e31b8a 2116 break;
31e31b8a
FB		 2117 case TARGET_NR_stime:
2118 {
53a5960a
PB		 2119 time_t host_time;
2120 host_time = tgetl(arg1);
2121 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2122 }
2123 break;
2124 case TARGET_NR_ptrace:
2125 goto unimplemented;
2126 case TARGET_NR_alarm:
2127 ret = alarm(arg1);
2128 break;
ebc05488 2129#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2130 case TARGET_NR_oldfstat:
2131 goto unimplemented;
ebc05488 2132#endif
31e31b8a
FB		 2133 case TARGET_NR_pause:
2134 ret = get_errno(pause());
2135 break;
2136 case TARGET_NR_utime:
ebc05488 2137 {
53a5960a
PB		 2138 struct utimbuf tbuf, *host_tbuf;
2139 struct target_utimbuf *target_tbuf;
2140 if (arg2) {
2141 lock_user_struct(target_tbuf, arg2, 1);
2142 tbuf.actime = tswapl(target_tbuf->actime);
2143 tbuf.modtime = tswapl(target_tbuf->modtime);
2144 unlock_user_struct(target_tbuf, arg2, 0);
2145 host_tbuf = &tbuf;
f72e8ff4 2146 } else {
53a5960a 2147 host_tbuf = NULL;
f72e8ff4 2148 }
53a5960a
PB		 2149 p = lock_user_string(arg1);
2150 ret = get_errno(utime(p, host_tbuf));
2151 unlock_user(p, arg1, 0);
ebc05488
FB		 2152 }
2153 break;
978a66ff
FB		 2154 case TARGET_NR_utimes:
2155 {
978a66ff 2156 struct timeval *tvp, tv[2];
53a5960a
PB		 2157 if (arg2) {
2158 target_to_host_timeval(&tv[0], arg2);
2159 target_to_host_timeval(&tv[1],
2160 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2161 tvp = tv;
2162 } else {
2163 tvp = NULL;
2164 }
53a5960a
PB		 2165 p = lock_user_string(arg1);
2166 ret = get_errno(utimes(p, tvp));
2167 unlock_user(p, arg1, 0);
978a66ff
FB		 2168 }
2169 break;
ebc05488 2170#ifdef TARGET_NR_stty
31e31b8a
FB		 2171 case TARGET_NR_stty:
2172 goto unimplemented;
ebc05488
FB		 2173#endif
2174#ifdef TARGET_NR_gtty
31e31b8a
FB		 2175 case TARGET_NR_gtty:
2176 goto unimplemented;
ebc05488 2177#endif
31e31b8a 2178 case TARGET_NR_access:
53a5960a
PB		 2179 p = lock_user_string(arg1);
2180 ret = get_errno(access(p, arg2));
2181 unlock_user(p, arg1, 0);
31e31b8a
FB		 2182 break;
2183 case TARGET_NR_nice:
2184 ret = get_errno(nice(arg1));
2185 break;
ebc05488 2186#ifdef TARGET_NR_ftime
31e31b8a
FB		 2187 case TARGET_NR_ftime:
2188 goto unimplemented;
ebc05488 2189#endif
31e31b8a 2190 case TARGET_NR_sync:
04369ff2
FB		 2191 sync();
2192 ret = 0;
31e31b8a
FB		 2193 break;
2194 case TARGET_NR_kill:
2195 ret = get_errno(kill(arg1, arg2));
2196 break;
2197 case TARGET_NR_rename:
53a5960a
PB		 2198 {
2199 void *p2;
2200 p = lock_user_string(arg1);
2201 p2 = lock_user_string(arg2);
2202 ret = get_errno(rename(p, p2));
2203 unlock_user(p2, arg2, 0);
2204 unlock_user(p, arg1, 0);
2205 }
31e31b8a
FB		 2206 break;
2207 case TARGET_NR_mkdir:
53a5960a
PB		 2208 p = lock_user_string(arg1);
2209 ret = get_errno(mkdir(p, arg2));
2210 unlock_user(p, arg1, 0);
31e31b8a
FB		 2211 break;
2212 case TARGET_NR_rmdir:
53a5960a
PB		 2213 p = lock_user_string(arg1);
2214 ret = get_errno(rmdir(p));
2215 unlock_user(p, arg1, 0);
31e31b8a
FB		 2216 break;
2217 case TARGET_NR_dup:
2218 ret = get_errno(dup(arg1));
2219 break;
2220 case TARGET_NR_pipe:
2221 {
53a5960a
PB		 2222 int host_pipe[2];
2223 ret = get_errno(pipe(host_pipe));
31e31b8a 2224 if (!is_error(ret)) {
53a5960a
PB		 2225 tput32(arg1, host_pipe[0]);
2226 tput32(arg1 + 4, host_pipe[1]);
31e31b8a
FB		 2227 }
2228 }
2229 break;
2230 case TARGET_NR_times:
32f36bce 2231 {
53a5960a 2232 struct target_tms *tmsp;
32f36bce
FB		 2233 struct tms tms;
2234 ret = get_errno(times(&tms));
53a5960a
PB		 2235 if (arg1) {
2236 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 2237 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2238 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2239 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2240 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 2241 }
c596ed17
FB		 2242 if (!is_error(ret))
2243 ret = host_to_target_clock_t(ret);
32f36bce
FB		 2244 }
2245 break;
ebc05488 2246#ifdef TARGET_NR_prof
31e31b8a
FB		 2247 case TARGET_NR_prof:
2248 goto unimplemented;
ebc05488 2249#endif
31e31b8a
FB		 2250 case TARGET_NR_signal:
2251 goto unimplemented;
67867308 2252
31e31b8a 2253 case TARGET_NR_acct:
24836689
PB		 2254 p = lock_user_string(arg1);
2255 ret = get_errno(acct(path(p)));
2256 unlock_user(p, arg1, 0);
2257 break;
31e31b8a 2258 case TARGET_NR_umount2:
53a5960a
PB		 2259 p = lock_user_string(arg1);
2260 ret = get_errno(umount2(p, arg2));
2261 unlock_user(p, arg1, 0);
31e31b8a 2262 break;
ebc05488 2263#ifdef TARGET_NR_lock
31e31b8a
FB		 2264 case TARGET_NR_lock:
2265 goto unimplemented;
ebc05488 2266#endif
31e31b8a
FB		 2267 case TARGET_NR_ioctl:
2268 ret = do_ioctl(arg1, arg2, arg3);
2269 break;
2270 case TARGET_NR_fcntl:
7775e9ec 2271 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 2272 break;
ebc05488 2273#ifdef TARGET_NR_mpx
31e31b8a
FB		 2274 case TARGET_NR_mpx:
2275 goto unimplemented;
ebc05488 2276#endif
31e31b8a
FB		 2277 case TARGET_NR_setpgid:
2278 ret = get_errno(setpgid(arg1, arg2));
2279 break;
ebc05488 2280#ifdef TARGET_NR_ulimit
31e31b8a
FB		 2281 case TARGET_NR_ulimit:
2282 goto unimplemented;
ebc05488
FB		 2283#endif
2284#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 2285 case TARGET_NR_oldolduname:
2286 goto unimplemented;
ebc05488 2287#endif
31e31b8a
FB		 2288 case TARGET_NR_umask:
2289 ret = get_errno(umask(arg1));
2290 break;
2291 case TARGET_NR_chroot:
53a5960a
PB		 2292 p = lock_user_string(arg1);
2293 ret = get_errno(chroot(p));
2294 unlock_user(p, arg1, 0);
31e31b8a
FB		 2295 break;
2296 case TARGET_NR_ustat:
2297 goto unimplemented;
2298 case TARGET_NR_dup2:
2299 ret = get_errno(dup2(arg1, arg2));
2300 break;
2301 case TARGET_NR_getppid:
2302 ret = get_errno(getppid());
2303 break;
2304 case TARGET_NR_getpgrp:
2305 ret = get_errno(getpgrp());
2306 break;
2307 case TARGET_NR_setsid:
2308 ret = get_errno(setsid());
2309 break;
2310 case TARGET_NR_sigaction:
31e31b8a 2311 {
106ec879 2312 #if !defined(TARGET_MIPS)
53a5960a 2313 struct target_old_sigaction *old_act;
66fb9763 2314 struct target_sigaction act, oact, *pact;
53a5960a
PB		 2315 if (arg2) {
2316 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 2317 act._sa_handler = old_act->_sa_handler;
2318 target_siginitset(&act.sa_mask, old_act->sa_mask);
2319 act.sa_flags = old_act->sa_flags;
2320 act.sa_restorer = old_act->sa_restorer;
53a5960a 2321 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 2322 pact = &act;
2323 } else {
2324 pact = NULL;
2325 }
2326 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 2327 if (!is_error(ret) && arg3) {
2328 lock_user_struct(old_act, arg3, 0);
2329 old_act->_sa_handler = oact._sa_handler;
2330 old_act->sa_mask = oact.sa_mask.sig[0];
2331 old_act->sa_flags = oact.sa_flags;
2332 old_act->sa_restorer = oact.sa_restorer;
2333 unlock_user_struct(old_act, arg3, 1);
66fb9763 2334 }
106ec879
FB		 2335 #else
2336 struct target_sigaction act, oact, *pact, *old_act;
2337
2338 if (arg2) {
2339 lock_user_struct(old_act, arg2, 1);
2340 act._sa_handler = old_act->_sa_handler;
2341 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2342 act.sa_flags = old_act->sa_flags;
2343 unlock_user_struct(old_act, arg2, 0);
2344 pact = &act;
2345 } else {
2346 pact = NULL;
2347 }
2348
2349 ret = get_errno(do_sigaction(arg1, pact, &oact));
2350
2351 if (!is_error(ret) && arg3) {
2352 lock_user_struct(old_act, arg3, 0);
2353 old_act->_sa_handler = oact._sa_handler;
2354 old_act->sa_flags = oact.sa_flags;
2355 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2356 old_act->sa_mask.sig[1] = 0;
2357 old_act->sa_mask.sig[2] = 0;
2358 old_act->sa_mask.sig[3] = 0;
2359 unlock_user_struct(old_act, arg3, 1);
2360 }
2361 #endif
31e31b8a
FB		 2362 }
2363 break;
66fb9763 2364 case TARGET_NR_rt_sigaction:
53a5960a
PB		 2365 {
2366 struct target_sigaction *act;
2367 struct target_sigaction *oact;
2368
2369 if (arg2)
2370 lock_user_struct(act, arg2, 1);
2371 else
2372 act = NULL;
2373 if (arg3)
2374 lock_user_struct(oact, arg3, 0);
2375 else
2376 oact = NULL;
2377 ret = get_errno(do_sigaction(arg1, act, oact));
2378 if (arg2)
2379 unlock_user_struct(act, arg2, 0);
2380 if (arg3)
2381 unlock_user_struct(oact, arg3, 1);
2382 }
66fb9763 2383 break;
31e31b8a 2384 case TARGET_NR_sgetmask:
66fb9763
FB		 2385 {
2386 sigset_t cur_set;
2387 target_ulong target_set;
2388 sigprocmask(0, NULL, &cur_set);
2389 host_to_target_old_sigset(&target_set, &cur_set);
2390 ret = target_set;
2391 }
2392 break;
31e31b8a 2393 case TARGET_NR_ssetmask:
66fb9763
FB		 2394 {
2395 sigset_t set, oset, cur_set;
2396 target_ulong target_set = arg1;
2397 sigprocmask(0, NULL, &cur_set);
2398 target_to_host_old_sigset(&set, &target_set);
2399 sigorset(&set, &set, &cur_set);
2400 sigprocmask(SIG_SETMASK, &set, &oset);
2401 host_to_target_old_sigset(&target_set, &oset);
2402 ret = target_set;
2403 }
2404 break;
2405 case TARGET_NR_sigprocmask:
2406 {
2407 int how = arg1;
2408 sigset_t set, oldset, *set_ptr;
66fb9763 2409
53a5960a 2410 if (arg2) {
66fb9763
FB		 2411 switch(how) {
2412 case TARGET_SIG_BLOCK:
2413 how = SIG_BLOCK;
2414 break;
2415 case TARGET_SIG_UNBLOCK:
2416 how = SIG_UNBLOCK;
2417 break;
2418 case TARGET_SIG_SETMASK:
2419 how = SIG_SETMASK;
2420 break;
2421 default:
2422 ret = -EINVAL;
2423 goto fail;
2424 }
53a5960a
PB		 2425 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2426 target_to_host_old_sigset(&set, p);
2427 unlock_user(p, arg2, 0);
66fb9763
FB		 2428 set_ptr = &set;
2429 } else {
2430 how = 0;
2431 set_ptr = NULL;
2432 }
2433 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 2434 if (!is_error(ret) && arg3) {
2435 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2436 host_to_target_old_sigset(p, &oldset);
2437 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2438 }
2439 }
2440 break;
2441 case TARGET_NR_rt_sigprocmask:
2442 {
2443 int how = arg1;
2444 sigset_t set, oldset, *set_ptr;
66fb9763 2445
53a5960a 2446 if (arg2) {
66fb9763
FB		 2447 switch(how) {
2448 case TARGET_SIG_BLOCK:
2449 how = SIG_BLOCK;
2450 break;
2451 case TARGET_SIG_UNBLOCK:
2452 how = SIG_UNBLOCK;
2453 break;
2454 case TARGET_SIG_SETMASK:
2455 how = SIG_SETMASK;
2456 break;
2457 default:
2458 ret = -EINVAL;
2459 goto fail;
2460 }
53a5960a
PB		 2461 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2462 target_to_host_sigset(&set, p);
2463 unlock_user(p, arg2, 0);
66fb9763
FB		 2464 set_ptr = &set;
2465 } else {
2466 how = 0;
2467 set_ptr = NULL;
2468 }
2469 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 2470 if (!is_error(ret) && arg3) {
2471 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2472 host_to_target_sigset(p, &oldset);
2473 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2474 }
2475 }
2476 break;
2477 case TARGET_NR_sigpending:
2478 {
2479 sigset_t set;
2480 ret = get_errno(sigpending(&set));
2481 if (!is_error(ret)) {
53a5960a
PB		 2482 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2483 host_to_target_old_sigset(p, &set);
2484 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2485 }
2486 }
2487 break;
2488 case TARGET_NR_rt_sigpending:
2489 {
2490 sigset_t set;
2491 ret = get_errno(sigpending(&set));
2492 if (!is_error(ret)) {
53a5960a
PB		 2493 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2494 host_to_target_sigset(p, &set);
2495 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2496 }
2497 }
2498 break;
2499 case TARGET_NR_sigsuspend:
2500 {
2501 sigset_t set;
53a5960a
PB		 2502 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2503 target_to_host_old_sigset(&set, p);
2504 unlock_user(p, arg1, 0);
66fb9763
FB		 2505 ret = get_errno(sigsuspend(&set));
2506 }
2507 break;
2508 case TARGET_NR_rt_sigsuspend:
2509 {
2510 sigset_t set;
53a5960a
PB		 2511 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2512 target_to_host_sigset(&set, p);
2513 unlock_user(p, arg1, 0);
66fb9763
FB		 2514 ret = get_errno(sigsuspend(&set));
2515 }
2516 break;
2517 case TARGET_NR_rt_sigtimedwait:
2518 {
66fb9763
FB		 2519 sigset_t set;
2520 struct timespec uts, *puts;
2521 siginfo_t uinfo;
2522
53a5960a
PB		 2523 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2524 target_to_host_sigset(&set, p);
2525 unlock_user(p, arg1, 0);
2526 if (arg3) {
66fb9763 2527 puts = &uts;
53a5960a 2528 target_to_host_timespec(puts, arg3);
66fb9763
FB		 2529 } else {
2530 puts = NULL;
2531 }
2532 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 2533 if (!is_error(ret) && arg2) {
2534 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2535 host_to_target_siginfo(p, &uinfo);
2536 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 2537 }
2538 }
2539 break;
2540 case TARGET_NR_rt_sigqueueinfo:
2541 {
2542 siginfo_t uinfo;
53a5960a
PB		 2543 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2544 target_to_host_siginfo(&uinfo, p);
2545 unlock_user(p, arg1, 0);
66fb9763
FB		 2546 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2547 }
2548 break;
2549 case TARGET_NR_sigreturn:
2550 /* NOTE: ret is eax, so not transcoding must be done */
2551 ret = do_sigreturn(cpu_env);
2552 break;
2553 case TARGET_NR_rt_sigreturn:
2554 /* NOTE: ret is eax, so not transcoding must be done */
2555 ret = do_rt_sigreturn(cpu_env);
2556 break;
31e31b8a 2557 case TARGET_NR_sethostname:
53a5960a
PB		 2558 p = lock_user_string(arg1);
2559 ret = get_errno(sethostname(p, arg2));
2560 unlock_user(p, arg1, 0);
31e31b8a
FB		 2561 break;
2562 case TARGET_NR_setrlimit:
9de5e440
FB		 2563 {
2564 /* XXX: convert resource ? */
2565 int resource = arg1;
53a5960a 2566 struct target_rlimit *target_rlim;
9de5e440 2567 struct rlimit rlim;
53a5960a 2568 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2569 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2570 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 2571 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 2572 ret = get_errno(setrlimit(resource, &rlim));
2573 }
2574 break;
31e31b8a 2575 case TARGET_NR_getrlimit:
9de5e440
FB		 2576 {
2577 /* XXX: convert resource ? */
2578 int resource = arg1;
53a5960a 2579 struct target_rlimit *target_rlim;
9de5e440
FB		 2580 struct rlimit rlim;
2581
2582 ret = get_errno(getrlimit(resource, &rlim));
2583 if (!is_error(ret)) {
53a5960a
PB		 2584 lock_user_struct(target_rlim, arg2, 0);
2585 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2586 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2587 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2588 }
2589 }
2590 break;
31e31b8a 2591 case TARGET_NR_getrusage:
b409186b
FB		 2592 {
2593 struct rusage rusage;
b409186b
FB		 2594 ret = get_errno(getrusage(arg1, &rusage));
2595 if (!is_error(ret)) {
53a5960a 2596 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 2597 }
2598 }
2599 break;
31e31b8a
FB		 2600 case TARGET_NR_gettimeofday:
2601 {
31e31b8a
FB		 2602 struct timeval tv;
2603 ret = get_errno(gettimeofday(&tv, NULL));
2604 if (!is_error(ret)) {
53a5960a 2605 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 2606 }
2607 }
2608 break;
2609 case TARGET_NR_settimeofday:
2610 {
31e31b8a 2611 struct timeval tv;
53a5960a 2612 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 2613 ret = get_errno(settimeofday(&tv, NULL));
2614 }
2615 break;
048f6b4d 2616#ifdef TARGET_NR_select
31e31b8a 2617 case TARGET_NR_select:
f2674e31 2618 {
53a5960a
PB		 2619 struct target_sel_arg_struct *sel;
2620 target_ulong inp, outp, exp, tvp;
2621 long nsel;
2622
2623 lock_user_struct(sel, arg1, 1);
2624 nsel = tswapl(sel->n);
2625 inp = tswapl(sel->inp);
2626 outp = tswapl(sel->outp);
2627 exp = tswapl(sel->exp);
2628 tvp = tswapl(sel->tvp);
2629 unlock_user_struct(sel, arg1, 0);
2630 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 2631 }
2632 break;
048f6b4d 2633#endif
31e31b8a 2634 case TARGET_NR_symlink:
53a5960a
PB		 2635 {
2636 void *p2;
2637 p = lock_user_string(arg1);
2638 p2 = lock_user_string(arg2);
2639 ret = get_errno(symlink(p, p2));
2640 unlock_user(p2, arg2, 0);
2641 unlock_user(p, arg1, 0);
2642 }
31e31b8a 2643 break;
ebc05488 2644#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 2645 case TARGET_NR_oldlstat:
2646 goto unimplemented;
ebc05488 2647#endif
31e31b8a 2648 case TARGET_NR_readlink:
53a5960a
PB		 2649 {
2650 void *p2;
2651 p = lock_user_string(arg1);
2652 p2 = lock_user(arg2, arg3, 0);
2653 ret = get_errno(readlink(path(p), p2, arg3));
2654 unlock_user(p2, arg2, ret);
2655 unlock_user(p, arg1, 0);
2656 }
31e31b8a
FB		 2657 break;
2658 case TARGET_NR_uselib:
2659 goto unimplemented;
2660 case TARGET_NR_swapon:
53a5960a
PB		 2661 p = lock_user_string(arg1);
2662 ret = get_errno(swapon(p, arg2));
2663 unlock_user(p, arg1, 0);
31e31b8a
FB		 2664 break;
2665 case TARGET_NR_reboot:
2666 goto unimplemented;
2667 case TARGET_NR_readdir:
2668 goto unimplemented;
31e31b8a 2669 case TARGET_NR_mmap:
e6e5906b 2670#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
31e31b8a 2671 {
53a5960a
PB		 2672 target_ulong *v;
2673 target_ulong v1, v2, v3, v4, v5, v6;
2674 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2675 v1 = tswapl(v[0]);
2676 v2 = tswapl(v[1]);
2677 v3 = tswapl(v[2]);
2678 v4 = tswapl(v[3]);
2679 v5 = tswapl(v[4]);
2680 v6 = tswapl(v[5]);
2681 unlock_user(v, arg1, 0);
5286db75
FB		 2682 ret = get_errno(target_mmap(v1, v2, v3,
2683 target_to_host_bitmask(v4, mmap_flags_tbl),
2684 v5, v6));
31e31b8a 2685 }
31e31b8a 2686#else
6fb883e8
FB		 2687 ret = get_errno(target_mmap(arg1, arg2, arg3,
2688 target_to_host_bitmask(arg4, mmap_flags_tbl),
2689 arg5,
2690 arg6));
31e31b8a 2691#endif
6fb883e8 2692 break;
a315a145 2693#ifdef TARGET_NR_mmap2
6fb883e8 2694 case TARGET_NR_mmap2:
0d3267a7 2695#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 2696#define MMAP_SHIFT 12
2697#else
2698#define MMAP_SHIFT TARGET_PAGE_BITS
2699#endif
5286db75
FB		 2700 ret = get_errno(target_mmap(arg1, arg2, arg3,
2701 target_to_host_bitmask(arg4, mmap_flags_tbl),
2702 arg5,
c573ff67 2703 arg6 << MMAP_SHIFT));
31e31b8a 2704 break;
a315a145 2705#endif
31e31b8a 2706 case TARGET_NR_munmap:
54936004 2707 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 2708 break;
9de5e440 2709 case TARGET_NR_mprotect:
54936004 2710 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440
FB		 2711 break;
2712 case TARGET_NR_mremap:
54936004 2713 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 2714 break;
53a5960a 2715 /* ??? msync/mlock/munlock are broken for softmmu. */
9de5e440 2716 case TARGET_NR_msync:
53a5960a 2717 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440
FB		 2718 break;
2719 case TARGET_NR_mlock:
53a5960a 2720 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440
FB		 2721 break;
2722 case TARGET_NR_munlock:
53a5960a 2723 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440
FB		 2724 break;
2725 case TARGET_NR_mlockall:
2726 ret = get_errno(mlockall(arg1));
2727 break;
2728 case TARGET_NR_munlockall:
2729 ret = get_errno(munlockall());
2730 break;
31e31b8a 2731 case TARGET_NR_truncate:
53a5960a
PB		 2732 p = lock_user_string(arg1);
2733 ret = get_errno(truncate(p, arg2));
2734 unlock_user(p, arg1, 0);
31e31b8a
FB		 2735 break;
2736 case TARGET_NR_ftruncate:
2737 ret = get_errno(ftruncate(arg1, arg2));
2738 break;
2739 case TARGET_NR_fchmod:
2740 ret = get_errno(fchmod(arg1, arg2));
2741 break;
31e31b8a
FB		 2742 case TARGET_NR_getpriority:
2743 ret = get_errno(getpriority(arg1, arg2));
2744 break;
2745 case TARGET_NR_setpriority:
2746 ret = get_errno(setpriority(arg1, arg2, arg3));
2747 break;
ebc05488 2748#ifdef TARGET_NR_profil
31e31b8a
FB		 2749 case TARGET_NR_profil:
2750 goto unimplemented;
ebc05488 2751#endif
31e31b8a 2752 case TARGET_NR_statfs:
53a5960a
PB		 2753 p = lock_user_string(arg1);
2754 ret = get_errno(statfs(path(p), &stfs));
2755 unlock_user(p, arg1, 0);
31e31b8a
FB		 2756 convert_statfs:
2757 if (!is_error(ret)) {
53a5960a 2758 struct target_statfs *target_stfs;
56c8f68f 2759
53a5960a
PB		 2760 lock_user_struct(target_stfs, arg2, 0);
2761 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2762 put_user(stfs.f_type, &target_stfs->f_type);
2763 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2764 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2765 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2766 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2767 put_user(stfs.f_files, &target_stfs->f_files);
2768 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2769 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2770 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2771 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 2772 }
2773 break;
2774 case TARGET_NR_fstatfs:
56c8f68f 2775 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 2776 goto convert_statfs;
56c8f68f
FB		 2777#ifdef TARGET_NR_statfs64
2778 case TARGET_NR_statfs64:
53a5960a
PB		 2779 p = lock_user_string(arg1);
2780 ret = get_errno(statfs(path(p), &stfs));
2781 unlock_user(p, arg1, 0);
56c8f68f
FB		 2782 convert_statfs64:
2783 if (!is_error(ret)) {
53a5960a
PB		 2784 struct target_statfs64 *target_stfs;
2785
2786 lock_user_struct(target_stfs, arg3, 0);
2787 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2788 put_user(stfs.f_type, &target_stfs->f_type);
2789 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2790 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2791 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2792 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2793 put_user(stfs.f_files, &target_stfs->f_files);
2794 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2795 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2796 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2797 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 2798 }
2799 break;
2800 case TARGET_NR_fstatfs64:
2801 ret = get_errno(fstatfs(arg1, &stfs));
2802 goto convert_statfs64;
2803#endif
ebc05488 2804#ifdef TARGET_NR_ioperm
31e31b8a
FB		 2805 case TARGET_NR_ioperm:
2806 goto unimplemented;
ebc05488 2807#endif
31e31b8a 2808 case TARGET_NR_socketcall:
53a5960a 2809 ret = do_socketcall(arg1, arg2);
31e31b8a 2810 break;
3532fa74
FB		 2811
2812#ifdef TARGET_NR_accept
2813 case TARGET_NR_accept:
1be9e1dc 2814 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 2815 break;
2816#endif
2817#ifdef TARGET_NR_bind
2818 case TARGET_NR_bind:
2819 ret = do_bind(arg1, arg2, arg3);
2820 break;
2821#endif
2822#ifdef TARGET_NR_connect
2823 case TARGET_NR_connect:
2824 ret = do_connect(arg1, arg2, arg3);
2825 break;
2826#endif
2827#ifdef TARGET_NR_getpeername
2828 case TARGET_NR_getpeername:
1be9e1dc 2829 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 2830 break;
2831#endif
2832#ifdef TARGET_NR_getsockname
2833 case TARGET_NR_getsockname:
1be9e1dc 2834 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 2835 break;
2836#endif
2837#ifdef TARGET_NR_getsockopt
2838 case TARGET_NR_getsockopt:
2839 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2840 break;
2841#endif
2842#ifdef TARGET_NR_listen
2843 case TARGET_NR_listen:
1be9e1dc 2844 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 2845 break;
2846#endif
2847#ifdef TARGET_NR_recv
2848 case TARGET_NR_recv:
1be9e1dc 2849 ret = do_recvfrom(arg1, arg1, arg3, arg4, 0, 0);
3532fa74
FB		 2850 break;
2851#endif
2852#ifdef TARGET_NR_recvfrom
2853 case TARGET_NR_recvfrom:
1be9e1dc 2854 ret = do_recvfrom(arg1, arg1, arg3, arg4, arg5, arg6);
3532fa74
FB		 2855 break;
2856#endif
2857#ifdef TARGET_NR_recvmsg
2858 case TARGET_NR_recvmsg:
2859 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
2860 break;
2861#endif
2862#ifdef TARGET_NR_send
2863 case TARGET_NR_send:
1be9e1dc 2864 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 2865 break;
2866#endif
2867#ifdef TARGET_NR_sendmsg
2868 case TARGET_NR_sendmsg:
2869 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
2870 break;
2871#endif
2872#ifdef TARGET_NR_sendto
2873 case TARGET_NR_sendto:
1be9e1dc 2874 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 2875 break;
2876#endif
2877#ifdef TARGET_NR_shutdown
2878 case TARGET_NR_shutdown:
1be9e1dc 2879 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 2880 break;
2881#endif
2882#ifdef TARGET_NR_socket
2883 case TARGET_NR_socket:
2884 ret = do_socket(arg1, arg2, arg3);
2885 break;
2886#endif
2887#ifdef TARGET_NR_socketpair
2888 case TARGET_NR_socketpair:
1be9e1dc 2889 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 2890 break;
2891#endif
2892#ifdef TARGET_NR_setsockopt
2893 case TARGET_NR_setsockopt:
2894 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
2895 break;
2896#endif
2897
31e31b8a
FB		 2898 case TARGET_NR_syslog:
2899 goto unimplemented;
2900 case TARGET_NR_setitimer:
66fb9763 2901 {
66fb9763
FB		 2902 struct itimerval value, ovalue, *pvalue;
2903
53a5960a 2904 if (arg2) {
66fb9763
FB		 2905 pvalue = &value;
2906 target_to_host_timeval(&pvalue->it_interval,
53a5960a 2907 arg2);
66fb9763 2908 target_to_host_timeval(&pvalue->it_value,
53a5960a 2909 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 2910 } else {
2911 pvalue = NULL;
2912 }
2913 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 2914 if (!is_error(ret) && arg3) {
2915 host_to_target_timeval(arg3,
66fb9763 2916 &ovalue.it_interval);
53a5960a 2917 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 2918 &ovalue.it_value);
2919 }
2920 }
2921 break;
31e31b8a 2922 case TARGET_NR_getitimer:
66fb9763 2923 {
66fb9763
FB		 2924 struct itimerval value;
2925
2926 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 2927 if (!is_error(ret) && arg2) {
2928 host_to_target_timeval(arg2,
66fb9763 2929 &value.it_interval);
53a5960a 2930 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 2931 &value.it_value);
2932 }
2933 }
2934 break;
31e31b8a 2935 case TARGET_NR_stat:
53a5960a
PB		 2936 p = lock_user_string(arg1);
2937 ret = get_errno(stat(path(p), &st));
2938 unlock_user(p, arg1, 0);
31e31b8a
FB		 2939 goto do_stat;
2940 case TARGET_NR_lstat:
53a5960a
PB		 2941 p = lock_user_string(arg1);
2942 ret = get_errno(lstat(path(p), &st));
2943 unlock_user(p, arg1, 0);
31e31b8a
FB		 2944 goto do_stat;
2945 case TARGET_NR_fstat:
2946 {
2947 ret = get_errno(fstat(arg1, &st));
2948 do_stat:
2949 if (!is_error(ret)) {
53a5960a
PB		 2950 struct target_stat *target_st;
2951
2952 lock_user_struct(target_st, arg2, 0);
31e31b8a
FB		 2953 target_st->st_dev = tswap16(st.st_dev);
2954 target_st->st_ino = tswapl(st.st_ino);
7d600c80 2955#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 2956 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
2957 target_st->st_uid = tswap32(st.st_uid);
2958 target_st->st_gid = tswap32(st.st_gid);
2959#else
ec86b0fb 2960 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 2961 target_st->st_uid = tswap16(st.st_uid);
2962 target_st->st_gid = tswap16(st.st_gid);
67867308
FB		 2963#endif
2964 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a
FB		 2965 target_st->st_rdev = tswap16(st.st_rdev);
2966 target_st->st_size = tswapl(st.st_size);
2967 target_st->st_blksize = tswapl(st.st_blksize);
2968 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 2969 target_st->target_st_atime = tswapl(st.st_atime);
2970 target_st->target_st_mtime = tswapl(st.st_mtime);
2971 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 2972 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 2973 }
2974 }
2975 break;
ebc05488 2976#ifdef TARGET_NR_olduname
31e31b8a
FB		 2977 case TARGET_NR_olduname:
2978 goto unimplemented;
ebc05488
FB		 2979#endif
2980#ifdef TARGET_NR_iopl
31e31b8a
FB		 2981 case TARGET_NR_iopl:
2982 goto unimplemented;
ebc05488 2983#endif
31e31b8a
FB		 2984 case TARGET_NR_vhangup:
2985 ret = get_errno(vhangup());
2986 break;
ebc05488 2987#ifdef TARGET_NR_idle
31e31b8a
FB		 2988 case TARGET_NR_idle:
2989 goto unimplemented;
42ad6ae9
FB		 2990#endif
2991#ifdef TARGET_NR_syscall
2992 case TARGET_NR_syscall:
2993 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
2994 break;
ebc05488 2995#endif
31e31b8a
FB		 2996 case TARGET_NR_wait4:
2997 {
2998 int status;
53a5960a 2999 target_long status_ptr = arg2;
31e31b8a 3000 struct rusage rusage, *rusage_ptr;
53a5960a 3001 target_ulong target_rusage = arg4;
31e31b8a
FB		 3002 if (target_rusage)
3003 rusage_ptr = &rusage;
3004 else
3005 rusage_ptr = NULL;
3006 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3007 if (!is_error(ret)) {
3008 if (status_ptr)
53a5960a 3009 tputl(status_ptr, status);
31e31b8a 3010 if (target_rusage) {
b409186b 3011 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 3012 }
3013 }
3014 }
3015 break;
3016 case TARGET_NR_swapoff:
53a5960a
PB		 3017 p = lock_user_string(arg1);
3018 ret = get_errno(swapoff(p));
3019 unlock_user(p, arg1, 0);
31e31b8a
FB		 3020 break;
3021 case TARGET_NR_sysinfo:
a5448a7d 3022 {
53a5960a 3023 struct target_sysinfo *target_value;
a5448a7d
FB		 3024 struct sysinfo value;
3025 ret = get_errno(sysinfo(&value));
53a5960a 3026 if (!is_error(ret) && arg1)
a5448a7d 3027 {
53a5960a
PB		 3028 /* ??? __put_user is probably wrong. */
3029 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3030 __put_user(value.uptime, &target_value->uptime);
3031 __put_user(value.loads[0], &target_value->loads[0]);
3032 __put_user(value.loads[1], &target_value->loads[1]);
3033 __put_user(value.loads[2], &target_value->loads[2]);
3034 __put_user(value.totalram, &target_value->totalram);
3035 __put_user(value.freeram, &target_value->freeram);
3036 __put_user(value.sharedram, &target_value->sharedram);
3037 __put_user(value.bufferram, &target_value->bufferram);
3038 __put_user(value.totalswap, &target_value->totalswap);
3039 __put_user(value.freeswap, &target_value->freeswap);
3040 __put_user(value.procs, &target_value->procs);
3041 __put_user(value.totalhigh, &target_value->totalhigh);
3042 __put_user(value.freehigh, &target_value->freehigh);
3043 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 3044 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 3045 }
3046 }
3047 break;
31e31b8a 3048 case TARGET_NR_ipc:
8853f86e
FB		 3049 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3050 break;
31e31b8a
FB		 3051 case TARGET_NR_fsync:
3052 ret = get_errno(fsync(arg1));
3053 break;
31e31b8a 3054 case TARGET_NR_clone:
1b6b029e
FB		 3055 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3056 break;
ec86b0fb
FB		 3057#ifdef __NR_exit_group
3058 /* new thread calls */
3059 case TARGET_NR_exit_group:
e9009676 3060 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 3061 ret = get_errno(exit_group(arg1));
3062 break;
3063#endif
31e31b8a 3064 case TARGET_NR_setdomainname:
53a5960a
PB		 3065 p = lock_user_string(arg1);
3066 ret = get_errno(setdomainname(p, arg2));
3067 unlock_user(p, arg1, 0);
31e31b8a
FB		 3068 break;
3069 case TARGET_NR_uname:
3070 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 3071 {
3072 struct new_utsname * buf;
3073
53a5960a 3074 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 3075 ret = get_errno(sys_uname(buf));
3076 if (!is_error(ret)) {
3077 /* Overrite the native machine name with whatever is being
3078 emulated. */
3079 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 3080 /* Allow the user to override the reported release. */
3081 if (qemu_uname_release && *qemu_uname_release)
3082 strcpy (buf->release, qemu_uname_release);
29e619b1 3083 }
53a5960a 3084 unlock_user_struct(buf, arg1, 1);
29e619b1 3085 }
31e31b8a 3086 break;
6dbad63e 3087#ifdef TARGET_I386
31e31b8a 3088 case TARGET_NR_modify_ldt:
53a5960a 3089 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b
FB		 3090 break;
3091 case TARGET_NR_vm86old:
3092 goto unimplemented;
3093 case TARGET_NR_vm86:
53a5960a 3094 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e
FB		 3095 break;
3096#endif
31e31b8a
FB		 3097 case TARGET_NR_adjtimex:
3098 goto unimplemented;
31e31b8a
FB		 3099 case TARGET_NR_create_module:
3100 case TARGET_NR_init_module:
3101 case TARGET_NR_delete_module:
3102 case TARGET_NR_get_kernel_syms:
3103 goto unimplemented;
3104 case TARGET_NR_quotactl:
3105 goto unimplemented;
3106 case TARGET_NR_getpgid:
3107 ret = get_errno(getpgid(arg1));
3108 break;
3109 case TARGET_NR_fchdir:
3110 ret = get_errno(fchdir(arg1));
3111 break;
3112 case TARGET_NR_bdflush:
3113 goto unimplemented;
3114 case TARGET_NR_sysfs:
3115 goto unimplemented;
3116 case TARGET_NR_personality:
1b6b029e 3117 ret = get_errno(personality(arg1));
31e31b8a
FB		 3118 break;
3119 case TARGET_NR_afs_syscall:
3120 goto unimplemented;
31e31b8a
FB		 3121 case TARGET_NR__llseek:
3122 {
4f2ac237
FB		 3123#if defined (__x86_64__)
3124 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 3125 tput64(arg4, ret);
4f2ac237 3126#else
31e31b8a
FB		 3127 int64_t res;
3128 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 3129 tput64(arg4, res);
4f2ac237 3130#endif
31e31b8a
FB		 3131 }
3132 break;
3133 case TARGET_NR_getdents:
3134#if TARGET_LONG_SIZE != 4
53a5960a 3135 goto unimplemented;
a315a145 3136#warning not supported
4add45b4
FB		 3137#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3138 {
53a5960a 3139 struct target_dirent *target_dirp;
4add45b4
FB		 3140 struct dirent *dirp;
3141 long count = arg3;
3142
3143 dirp = malloc(count);
3144 if (!dirp)
3145 return -ENOMEM;
3146
3147 ret = get_errno(sys_getdents(arg1, dirp, count));
3148 if (!is_error(ret)) {
3149 struct dirent *de;
3150 struct target_dirent *tde;
3151 int len = ret;
3152 int reclen, treclen;
3153 int count1, tnamelen;
3154
3155 count1 = 0;
3156 de = dirp;
53a5960a 3157 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 3158 tde = target_dirp;
3159 while (len > 0) {
3160 reclen = de->d_reclen;
3161 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3162 tde->d_reclen = tswap16(treclen);
3163 tde->d_ino = tswapl(de->d_ino);
3164 tde->d_off = tswapl(de->d_off);
3165 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3166 if (tnamelen > 256)
3167 tnamelen = 256;
80a9d035 3168 /* XXX: may not be correct */
4add45b4
FB		 3169 strncpy(tde->d_name, de->d_name, tnamelen);
3170 de = (struct dirent *)((char *)de + reclen);
3171 len -= reclen;
3172 tde = (struct dirent *)((char *)tde + treclen);
3173 count1 += treclen;
3174 }
3175 ret = count1;
3176 }
53a5960a 3177 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 3178 free(dirp);
3179 }
3180#else
31e31b8a 3181 {
53a5960a 3182 struct dirent *dirp;
31e31b8a 3183 long count = arg3;
dab2ed99 3184
53a5960a 3185 dirp = lock_user(arg2, count, 0);
72f03900 3186 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 3187 if (!is_error(ret)) {
3188 struct dirent *de;
3189 int len = ret;
3190 int reclen;
3191 de = dirp;
3192 while (len > 0) {
8083a3e5 3193 reclen = de->d_reclen;
31e31b8a
FB		 3194 if (reclen > len)
3195 break;
8083a3e5 3196 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 3197 tswapls(&de->d_ino);
3198 tswapls(&de->d_off);
3199 de = (struct dirent *)((char *)de + reclen);
3200 len -= reclen;
3201 }
3202 }
53a5960a 3203 unlock_user(dirp, arg2, ret);
31e31b8a 3204 }
4add45b4 3205#endif
31e31b8a 3206 break;
a541f297 3207#ifdef TARGET_NR_getdents64
dab2ed99
FB		 3208 case TARGET_NR_getdents64:
3209 {
53a5960a 3210 struct dirent64 *dirp;
dab2ed99 3211 long count = arg3;
53a5960a 3212 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 3213 ret = get_errno(sys_getdents64(arg1, dirp, count));
3214 if (!is_error(ret)) {
3215 struct dirent64 *de;
3216 int len = ret;
3217 int reclen;
3218 de = dirp;
3219 while (len > 0) {
8083a3e5 3220 reclen = de->d_reclen;
dab2ed99
FB		 3221 if (reclen > len)
3222 break;
8083a3e5 3223 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 3224 tswap64s(&de->d_ino);
3225 tswap64s(&de->d_off);
3226 de = (struct dirent64 *)((char *)de + reclen);
3227 len -= reclen;
3228 }
3229 }
53a5960a 3230 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 3231 }
3232 break;
a541f297 3233#endif /* TARGET_NR_getdents64 */
31e31b8a 3234 case TARGET_NR__newselect:
53a5960a 3235 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 3236 break;
9de5e440
FB		 3237 case TARGET_NR_poll:
3238 {
53a5960a 3239 struct target_pollfd *target_pfd;
9de5e440
FB		 3240 unsigned int nfds = arg2;
3241 int timeout = arg3;
3242 struct pollfd *pfd;
7854b056 3243 unsigned int i;
9de5e440 3244
53a5960a 3245 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 3246 pfd = alloca(sizeof(struct pollfd) * nfds);
3247 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 3248 pfd[i].fd = tswap32(target_pfd[i].fd);
3249 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 3250 }
3251 ret = get_errno(poll(pfd, nfds, timeout));
3252 if (!is_error(ret)) {
3253 for(i = 0; i < nfds; i++) {
5cd4393b 3254 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 3255 }
53a5960a
PB		 3256 ret += nfds * (sizeof(struct target_pollfd)
3257 - sizeof(struct pollfd));
9de5e440 3258 }
53a5960a 3259 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 3260 }
3261 break;
31e31b8a 3262 case TARGET_NR_flock:
9de5e440
FB		 3263 /* NOTE: the flock constant seems to be the same for every
3264 Linux platform */
3265 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 3266 break;
3267 case TARGET_NR_readv:
3268 {
3269 int count = arg3;
31e31b8a 3270 struct iovec *vec;
31e31b8a
FB		 3271
3272 vec = alloca(count * sizeof(struct iovec));
53a5960a 3273 lock_iovec(vec, arg2, count, 0);
31e31b8a 3274 ret = get_errno(readv(arg1, vec, count));
53a5960a 3275 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 3276 }
3277 break;
3278 case TARGET_NR_writev:
3279 {
3280 int count = arg3;
31e31b8a 3281 struct iovec *vec;
31e31b8a
FB		 3282
3283 vec = alloca(count * sizeof(struct iovec));
53a5960a 3284 lock_iovec(vec, arg2, count, 1);
31e31b8a 3285 ret = get_errno(writev(arg1, vec, count));
53a5960a 3286 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 3287 }
3288 break;
3289 case TARGET_NR_getsid:
3290 ret = get_errno(getsid(arg1));
3291 break;
3292 case TARGET_NR_fdatasync:
5cd4393b
FB		 3293 ret = get_errno(fdatasync(arg1));
3294 break;
31e31b8a 3295 case TARGET_NR__sysctl:
29e619b1
FB		 3296 /* We don't implement this, but ENODIR is always a safe
3297 return value. */
3298 return -ENOTDIR;
31e31b8a 3299 case TARGET_NR_sched_setparam:
5cd4393b 3300 {
53a5960a 3301 struct sched_param *target_schp;
5cd4393b 3302 struct sched_param schp;
53a5960a
PB		 3303
3304 lock_user_struct(target_schp, arg2, 1);
5cd4393b 3305 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3306 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 3307 ret = get_errno(sched_setparam(arg1, &schp));
3308 }
3309 break;
31e31b8a 3310 case TARGET_NR_sched_getparam:
5cd4393b 3311 {
53a5960a 3312 struct sched_param *target_schp;
5cd4393b
FB		 3313 struct sched_param schp;
3314 ret = get_errno(sched_getparam(arg1, &schp));
3315 if (!is_error(ret)) {
53a5960a 3316 lock_user_struct(target_schp, arg2, 0);
5cd4393b 3317 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 3318 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 3319 }
3320 }
3321 break;
31e31b8a 3322 case TARGET_NR_sched_setscheduler:
5cd4393b 3323 {
53a5960a 3324 struct sched_param *target_schp;
5cd4393b 3325 struct sched_param schp;
53a5960a 3326 lock_user_struct(target_schp, arg3, 1);
5cd4393b 3327 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3328 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 3329 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3330 }
3331 break;
31e31b8a 3332 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 3333 ret = get_errno(sched_getscheduler(arg1));
3334 break;
31e31b8a
FB		 3335 case TARGET_NR_sched_yield:
3336 ret = get_errno(sched_yield());
3337 break;
3338 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 3339 ret = get_errno(sched_get_priority_max(arg1));
3340 break;
31e31b8a 3341 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 3342 ret = get_errno(sched_get_priority_min(arg1));
3343 break;
31e31b8a 3344 case TARGET_NR_sched_rr_get_interval:
5cd4393b 3345 {
5cd4393b
FB		 3346 struct timespec ts;
3347 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3348 if (!is_error(ret)) {
53a5960a 3349 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 3350 }
3351 }
3352 break;
31e31b8a 3353 case TARGET_NR_nanosleep:
1b6b029e 3354 {
1b6b029e 3355 struct timespec req, rem;
53a5960a 3356 target_to_host_timespec(&req, arg1);
1b6b029e 3357 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 3358 if (is_error(ret) && arg2) {
3359 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 3360 }
3361 }
3362 break;
31e31b8a 3363 case TARGET_NR_query_module:
5cd4393b 3364 goto unimplemented;
31e31b8a 3365 case TARGET_NR_nfsservctl:
5cd4393b 3366 goto unimplemented;
31e31b8a 3367 case TARGET_NR_prctl:
5cd4393b 3368 goto unimplemented;
67867308 3369#ifdef TARGET_NR_pread
31e31b8a 3370 case TARGET_NR_pread:
53a5960a
PB		 3371 page_unprotect_range(arg2, arg3);
3372 p = lock_user(arg2, arg3, 0);
3373 ret = get_errno(pread(arg1, p, arg3, arg4));
3374 unlock_user(p, arg2, ret);
206f0fa7 3375 break;
31e31b8a 3376 case TARGET_NR_pwrite:
53a5960a
PB		 3377 p = lock_user(arg2, arg3, 1);
3378 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3379 unlock_user(p, arg2, 0);
206f0fa7 3380 break;
67867308 3381#endif
31e31b8a 3382 case TARGET_NR_getcwd:
53a5960a
PB		 3383 p = lock_user(arg1, arg2, 0);
3384 ret = get_errno(sys_getcwd1(p, arg2));
3385 unlock_user(p, arg1, ret);
31e31b8a
FB		 3386 break;
3387 case TARGET_NR_capget:
5cd4393b 3388 goto unimplemented;
31e31b8a 3389 case TARGET_NR_capset:
5cd4393b 3390 goto unimplemented;
31e31b8a 3391 case TARGET_NR_sigaltstack:
5cd4393b 3392 goto unimplemented;
31e31b8a 3393 case TARGET_NR_sendfile:
5cd4393b 3394 goto unimplemented;
ebc05488 3395#ifdef TARGET_NR_getpmsg
31e31b8a 3396 case TARGET_NR_getpmsg:
5cd4393b 3397 goto unimplemented;
ebc05488
FB		 3398#endif
3399#ifdef TARGET_NR_putpmsg
31e31b8a 3400 case TARGET_NR_putpmsg:
5cd4393b 3401 goto unimplemented;
ebc05488 3402#endif
048f6b4d 3403#ifdef TARGET_NR_vfork
31e31b8a 3404 case TARGET_NR_vfork:
1b6b029e 3405 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 3406 break;
048f6b4d 3407#endif
ebc05488 3408#ifdef TARGET_NR_ugetrlimit
31e31b8a 3409 case TARGET_NR_ugetrlimit:
728584be
FB		 3410 {
3411 struct rlimit rlim;
3412 ret = get_errno(getrlimit(arg1, &rlim));
3413 if (!is_error(ret)) {
53a5960a
PB		 3414 struct target_rlimit *target_rlim;
3415 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 3416 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3417 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 3418 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 3419 }
3420 break;
3421 }
ebc05488 3422#endif
a315a145 3423#ifdef TARGET_NR_truncate64
31e31b8a 3424 case TARGET_NR_truncate64:
53a5960a
PB		 3425 p = lock_user_string(arg1);
3426 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3427 unlock_user(p, arg1, 0);
667f38b1 3428 break;
a315a145
FB		 3429#endif
3430#ifdef TARGET_NR_ftruncate64
31e31b8a 3431 case TARGET_NR_ftruncate64:
ce4defa0 3432 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 3433 break;
a315a145
FB		 3434#endif
3435#ifdef TARGET_NR_stat64
31e31b8a 3436 case TARGET_NR_stat64:
53a5960a
PB		 3437 p = lock_user_string(arg1);
3438 ret = get_errno(stat(path(p), &st));
3439 unlock_user(p, arg1, 0);
60cd49d5 3440 goto do_stat64;
a315a145
FB		 3441#endif
3442#ifdef TARGET_NR_lstat64
31e31b8a 3443 case TARGET_NR_lstat64:
53a5960a
PB		 3444 p = lock_user_string(arg1);
3445 ret = get_errno(lstat(path(p), &st));
3446 unlock_user(p, arg1, 0);
60cd49d5 3447 goto do_stat64;
a315a145
FB		 3448#endif
3449#ifdef TARGET_NR_fstat64
31e31b8a 3450 case TARGET_NR_fstat64:
60cd49d5
FB		 3451 {
3452 ret = get_errno(fstat(arg1, &st));
3453 do_stat64:
3454 if (!is_error(ret)) {
ce4defa0
PB		 3455#ifdef TARGET_ARM
3456 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 3457 struct target_eabi_stat64 *target_st;
3458 lock_user_struct(target_st, arg2, 1);
ce4defa0 3459 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 3460 /* put_user is probably wrong. */
ce4defa0
PB		 3461 put_user(st.st_dev, &target_st->st_dev);
3462 put_user(st.st_ino, &target_st->st_ino);
3463#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3464 put_user(st.st_ino, &target_st->__st_ino);
3465#endif
3466 put_user(st.st_mode, &target_st->st_mode);
3467 put_user(st.st_nlink, &target_st->st_nlink);
3468 put_user(st.st_uid, &target_st->st_uid);
3469 put_user(st.st_gid, &target_st->st_gid);
3470 put_user(st.st_rdev, &target_st->st_rdev);
3471 /* XXX: better use of kernel struct */
3472 put_user(st.st_size, &target_st->st_size);
3473 put_user(st.st_blksize, &target_st->st_blksize);
3474 put_user(st.st_blocks, &target_st->st_blocks);
3475 put_user(st.st_atime, &target_st->target_st_atime);
3476 put_user(st.st_mtime, &target_st->target_st_mtime);
3477 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3478 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 3479 } else
3480#endif
3481 {
53a5960a
PB		 3482 struct target_stat64 *target_st;
3483 lock_user_struct(target_st, arg2, 1);
ce4defa0 3484 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 3485 /* ??? put_user is probably wrong. */
ce4defa0
PB		 3486 put_user(st.st_dev, &target_st->st_dev);
3487 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 3488#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 3489 put_user(st.st_ino, &target_st->__st_ino);
3490#endif
3491 put_user(st.st_mode, &target_st->st_mode);
3492 put_user(st.st_nlink, &target_st->st_nlink);
3493 put_user(st.st_uid, &target_st->st_uid);
3494 put_user(st.st_gid, &target_st->st_gid);
3495 put_user(st.st_rdev, &target_st->st_rdev);
3496 /* XXX: better use of kernel struct */
3497 put_user(st.st_size, &target_st->st_size);
3498 put_user(st.st_blksize, &target_st->st_blksize);
3499 put_user(st.st_blocks, &target_st->st_blocks);
3500 put_user(st.st_atime, &target_st->target_st_atime);
3501 put_user(st.st_mtime, &target_st->target_st_mtime);
3502 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3503 unlock_user_struct(target_st, arg2, 0);
ce4defa0 3504 }
60cd49d5
FB		 3505 }
3506 }
3507 break;
a315a145 3508#endif
67867308
FB		 3509#ifdef USE_UID16
3510 case TARGET_NR_lchown:
53a5960a
PB		 3511 p = lock_user_string(arg1);
3512 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3513 unlock_user(p, arg1, 0);
67867308
FB		 3514 break;
3515 case TARGET_NR_getuid:
3516 ret = get_errno(high2lowuid(getuid()));
3517 break;
3518 case TARGET_NR_getgid:
3519 ret = get_errno(high2lowgid(getgid()));
3520 break;
3521 case TARGET_NR_geteuid:
3522 ret = get_errno(high2lowuid(geteuid()));
3523 break;
3524 case TARGET_NR_getegid:
3525 ret = get_errno(high2lowgid(getegid()));
3526 break;
3527 case TARGET_NR_setreuid:
3528 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3529 break;
3530 case TARGET_NR_setregid:
3531 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3532 break;
3533 case TARGET_NR_getgroups:
3534 {
3535 int gidsetsize = arg1;
53a5960a 3536 uint16_t *target_grouplist;
67867308
FB		 3537 gid_t *grouplist;
3538 int i;
3539
3540 grouplist = alloca(gidsetsize * sizeof(gid_t));
3541 ret = get_errno(getgroups(gidsetsize, grouplist));
3542 if (!is_error(ret)) {
53a5960a 3543 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 3544 for(i = 0;i < gidsetsize; i++)
3545 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 3546 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 3547 }
3548 }
3549 break;
3550 case TARGET_NR_setgroups:
3551 {
3552 int gidsetsize = arg1;
53a5960a 3553 uint16_t *target_grouplist;
67867308
FB		 3554 gid_t *grouplist;
3555 int i;
3556
3557 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3558 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 3559 for(i = 0;i < gidsetsize; i++)
3560 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 3561 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 3562 ret = get_errno(setgroups(gidsetsize, grouplist));
3563 }
3564 break;
3565 case TARGET_NR_fchown:
3566 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3567 break;
3568#ifdef TARGET_NR_setresuid
3569 case TARGET_NR_setresuid:
3570 ret = get_errno(setresuid(low2highuid(arg1),
3571 low2highuid(arg2),
3572 low2highuid(arg3)));
3573 break;
3574#endif
3575#ifdef TARGET_NR_getresuid
3576 case TARGET_NR_getresuid:
3577 {
53a5960a 3578 uid_t ruid, euid, suid;
67867308
FB		 3579 ret = get_errno(getresuid(&ruid, &euid, &suid));
3580 if (!is_error(ret)) {
53a5960a
PB		 3581 tput16(arg1, tswap16(high2lowuid(ruid)));
3582 tput16(arg2, tswap16(high2lowuid(euid)));
3583 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 3584 }
3585 }
3586 break;
3587#endif
3588#ifdef TARGET_NR_getresgid
3589 case TARGET_NR_setresgid:
3590 ret = get_errno(setresgid(low2highgid(arg1),
3591 low2highgid(arg2),
3592 low2highgid(arg3)));
3593 break;
3594#endif
3595#ifdef TARGET_NR_getresgid
3596 case TARGET_NR_getresgid:
3597 {
53a5960a 3598 gid_t rgid, egid, sgid;
67867308
FB		 3599 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3600 if (!is_error(ret)) {
53a5960a
PB		 3601 tput16(arg1, tswap16(high2lowgid(rgid)));
3602 tput16(arg2, tswap16(high2lowgid(egid)));
3603 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 3604 }
3605 }
3606 break;
3607#endif
3608 case TARGET_NR_chown:
53a5960a
PB		 3609 p = lock_user_string(arg1);
3610 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3611 unlock_user(p, arg1, 0);
67867308
FB		 3612 break;
3613 case TARGET_NR_setuid:
3614 ret = get_errno(setuid(low2highuid(arg1)));
3615 break;
3616 case TARGET_NR_setgid:
3617 ret = get_errno(setgid(low2highgid(arg1)));
3618 break;
3619 case TARGET_NR_setfsuid:
3620 ret = get_errno(setfsuid(arg1));
3621 break;
3622 case TARGET_NR_setfsgid:
3623 ret = get_errno(setfsgid(arg1));
3624 break;
3625#endif /* USE_UID16 */
3626
a315a145 3627#ifdef TARGET_NR_lchown32
31e31b8a 3628 case TARGET_NR_lchown32:
53a5960a
PB		 3629 p = lock_user_string(arg1);
3630 ret = get_errno(lchown(p, arg2, arg3));
3631 unlock_user(p, arg1, 0);
b03c60f3 3632 break;
a315a145
FB		 3633#endif
3634#ifdef TARGET_NR_getuid32
31e31b8a 3635 case TARGET_NR_getuid32:
b03c60f3
FB		 3636 ret = get_errno(getuid());
3637 break;
a315a145
FB		 3638#endif
3639#ifdef TARGET_NR_getgid32
31e31b8a 3640 case TARGET_NR_getgid32:
b03c60f3
FB		 3641 ret = get_errno(getgid());
3642 break;
a315a145
FB		 3643#endif
3644#ifdef TARGET_NR_geteuid32
31e31b8a 3645 case TARGET_NR_geteuid32:
b03c60f3
FB		 3646 ret = get_errno(geteuid());
3647 break;
a315a145
FB		 3648#endif
3649#ifdef TARGET_NR_getegid32
31e31b8a 3650 case TARGET_NR_getegid32:
b03c60f3
FB		 3651 ret = get_errno(getegid());
3652 break;
a315a145
FB		 3653#endif
3654#ifdef TARGET_NR_setreuid32
31e31b8a 3655 case TARGET_NR_setreuid32:
b03c60f3
FB		 3656 ret = get_errno(setreuid(arg1, arg2));
3657 break;
a315a145
FB		 3658#endif
3659#ifdef TARGET_NR_setregid32
31e31b8a 3660 case TARGET_NR_setregid32:
b03c60f3
FB		 3661 ret = get_errno(setregid(arg1, arg2));
3662 break;
a315a145
FB		 3663#endif
3664#ifdef TARGET_NR_getgroups32
31e31b8a 3665 case TARGET_NR_getgroups32:
99c475ab
FB		 3666 {
3667 int gidsetsize = arg1;
53a5960a 3668 uint32_t *target_grouplist;
99c475ab
FB		 3669 gid_t *grouplist;
3670 int i;
3671
3672 grouplist = alloca(gidsetsize * sizeof(gid_t));
3673 ret = get_errno(getgroups(gidsetsize, grouplist));
3674 if (!is_error(ret)) {
53a5960a 3675 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 3676 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3677 target_grouplist[i] = tswap32(grouplist[i]);
3678 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 3679 }
3680 }
3681 break;
a315a145
FB		 3682#endif
3683#ifdef TARGET_NR_setgroups32
31e31b8a 3684 case TARGET_NR_setgroups32:
99c475ab
FB		 3685 {
3686 int gidsetsize = arg1;
53a5960a 3687 uint32_t *target_grouplist;
99c475ab
FB		 3688 gid_t *grouplist;
3689 int i;
3690
3691 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3692 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 3693 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3694 grouplist[i] = tswap32(target_grouplist[i]);
3695 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 3696 ret = get_errno(setgroups(gidsetsize, grouplist));
3697 }
3698 break;
a315a145
FB		 3699#endif
3700#ifdef TARGET_NR_fchown32
31e31b8a 3701 case TARGET_NR_fchown32:
b03c60f3
FB		 3702 ret = get_errno(fchown(arg1, arg2, arg3));
3703 break;
a315a145
FB		 3704#endif
3705#ifdef TARGET_NR_setresuid32
31e31b8a 3706 case TARGET_NR_setresuid32:
b03c60f3
FB		 3707 ret = get_errno(setresuid(arg1, arg2, arg3));
3708 break;
a315a145
FB		 3709#endif
3710#ifdef TARGET_NR_getresuid32
31e31b8a 3711 case TARGET_NR_getresuid32:
b03c60f3 3712 {
53a5960a 3713 uid_t ruid, euid, suid;
b03c60f3
FB		 3714 ret = get_errno(getresuid(&ruid, &euid, &suid));
3715 if (!is_error(ret)) {
53a5960a
PB		 3716 tput32(arg1, tswap32(ruid));
3717 tput32(arg2, tswap32(euid));
3718 tput32(arg3, tswap32(suid));
b03c60f3
FB		 3719 }
3720 }
3721 break;
a315a145
FB		 3722#endif
3723#ifdef TARGET_NR_setresgid32
31e31b8a 3724 case TARGET_NR_setresgid32:
b03c60f3
FB		 3725 ret = get_errno(setresgid(arg1, arg2, arg3));
3726 break;
a315a145
FB		 3727#endif
3728#ifdef TARGET_NR_getresgid32
31e31b8a 3729 case TARGET_NR_getresgid32:
b03c60f3 3730 {
53a5960a 3731 gid_t rgid, egid, sgid;
b03c60f3
FB		 3732 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3733 if (!is_error(ret)) {
53a5960a
PB		 3734 tput32(arg1, tswap32(rgid));
3735 tput32(arg2, tswap32(egid));
3736 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 3737 }
3738 }
3739 break;
a315a145
FB		 3740#endif
3741#ifdef TARGET_NR_chown32
31e31b8a 3742 case TARGET_NR_chown32:
53a5960a
PB		 3743 p = lock_user_string(arg1);
3744 ret = get_errno(chown(p, arg2, arg3));
3745 unlock_user(p, arg1, 0);
b03c60f3 3746 break;
a315a145
FB		 3747#endif
3748#ifdef TARGET_NR_setuid32
31e31b8a 3749 case TARGET_NR_setuid32:
b03c60f3
FB		 3750 ret = get_errno(setuid(arg1));
3751 break;
a315a145
FB		 3752#endif
3753#ifdef TARGET_NR_setgid32
31e31b8a 3754 case TARGET_NR_setgid32:
b03c60f3
FB		 3755 ret = get_errno(setgid(arg1));
3756 break;
a315a145
FB		 3757#endif
3758#ifdef TARGET_NR_setfsuid32
31e31b8a 3759 case TARGET_NR_setfsuid32:
b03c60f3
FB		 3760 ret = get_errno(setfsuid(arg1));
3761 break;
a315a145
FB		 3762#endif
3763#ifdef TARGET_NR_setfsgid32
31e31b8a 3764 case TARGET_NR_setfsgid32:
b03c60f3
FB		 3765 ret = get_errno(setfsgid(arg1));
3766 break;
a315a145 3767#endif
67867308 3768
31e31b8a 3769 case TARGET_NR_pivot_root:
b03c60f3 3770 goto unimplemented;
ffa65c3b 3771#ifdef TARGET_NR_mincore
31e31b8a 3772 case TARGET_NR_mincore:
b03c60f3 3773 goto unimplemented;
ffa65c3b
FB		 3774#endif
3775#ifdef TARGET_NR_madvise
31e31b8a 3776 case TARGET_NR_madvise:
24836689
PB		 3777 /* A straight passthrough may not be safe because qemu sometimes
3778 turns private flie-backed mappings into anonymous mappings.
3779 This will break MADV_DONTNEED.
3780 This is a hint, so ignoring and returning success is ok. */
3781 ret = get_errno(0);
3782 break;
ffa65c3b 3783#endif
60cd49d5 3784#if TARGET_LONG_BITS == 32
31e31b8a 3785 case TARGET_NR_fcntl64:
77e4672d
FB		 3786 {
3787 struct flock64 fl;
53a5960a 3788 struct target_flock64 *target_fl;
ce4defa0 3789#ifdef TARGET_ARM
53a5960a 3790 struct target_eabi_flock64 *target_efl;
ce4defa0 3791#endif
77e4672d 3792
60cd49d5
FB		 3793 switch(arg2) {
3794 case F_GETLK64:
77e4672d
FB		 3795 ret = get_errno(fcntl(arg1, arg2, &fl));
3796 if (ret == 0) {
ce4defa0
PB		 3797#ifdef TARGET_ARM
3798 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 3799 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 3800 target_efl->l_type = tswap16(fl.l_type);
3801 target_efl->l_whence = tswap16(fl.l_whence);
3802 target_efl->l_start = tswap64(fl.l_start);
3803 target_efl->l_len = tswap64(fl.l_len);
3804 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 3805 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 3806 } else
3807#endif
3808 {
53a5960a 3809 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 3810 target_fl->l_type = tswap16(fl.l_type);
3811 target_fl->l_whence = tswap16(fl.l_whence);
3812 target_fl->l_start = tswap64(fl.l_start);
3813 target_fl->l_len = tswap64(fl.l_len);
3814 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 3815 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 3816 }
77e4672d
FB		 3817 }
3818 break;
3819
60cd49d5
FB		 3820 case F_SETLK64:
3821 case F_SETLKW64:
ce4defa0
PB		 3822#ifdef TARGET_ARM
3823 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 3824 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 3825 fl.l_type = tswap16(target_efl->l_type);
3826 fl.l_whence = tswap16(target_efl->l_whence);
3827 fl.l_start = tswap64(target_efl->l_start);
3828 fl.l_len = tswap64(target_efl->l_len);
3829 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 3830 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 3831 } else
3832#endif
3833 {
53a5960a 3834 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 3835 fl.l_type = tswap16(target_fl->l_type);
3836 fl.l_whence = tswap16(target_fl->l_whence);
3837 fl.l_start = tswap64(target_fl->l_start);
3838 fl.l_len = tswap64(target_fl->l_len);
3839 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 3840 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 3841 }
77e4672d
FB		 3842 ret = get_errno(fcntl(arg1, arg2, &fl));
3843 break;
60cd49d5 3844 default:
7775e9ec 3845 ret = get_errno(do_fcntl(arg1, arg2, arg3));
60cd49d5
FB		 3846 break;
3847 }
77e4672d
FB		 3848 break;
3849 }
60cd49d5 3850#endif
7d600c80
TS		 3851#ifdef TARGET_NR_cacheflush
3852 case TARGET_NR_cacheflush:
3853 /* self-modifying code is handled automatically, so nothing needed */
3854 ret = 0;
3855 break;
3856#endif
ebc05488 3857#ifdef TARGET_NR_security
31e31b8a
FB		 3858 case TARGET_NR_security:
3859 goto unimplemented;
c573ff67
FB		 3860#endif
3861#ifdef TARGET_NR_getpagesize
3862 case TARGET_NR_getpagesize:
3863 ret = TARGET_PAGE_SIZE;
3864 break;
ebc05488 3865#endif
31e31b8a
FB		 3866 case TARGET_NR_gettid:
3867 ret = get_errno(gettid());
3868 break;
3869 case TARGET_NR_readahead:
5cd4393b 3870 goto unimplemented;
ebc05488 3871#ifdef TARGET_NR_setxattr
31e31b8a
FB		 3872 case TARGET_NR_setxattr:
3873 case TARGET_NR_lsetxattr:
3874 case TARGET_NR_fsetxattr:
3875 case TARGET_NR_getxattr:
3876 case TARGET_NR_lgetxattr:
3877 case TARGET_NR_fgetxattr:
3878 case TARGET_NR_listxattr:
3879 case TARGET_NR_llistxattr:
3880 case TARGET_NR_flistxattr:
3881 case TARGET_NR_removexattr:
3882 case TARGET_NR_lremovexattr:
3883 case TARGET_NR_fremovexattr:
5cd4393b 3884 goto unimplemented_nowarn;
ebc05488
FB		 3885#endif
3886#ifdef TARGET_NR_set_thread_area
5cd4393b
FB		 3887 case TARGET_NR_set_thread_area:
3888 case TARGET_NR_get_thread_area:
3889 goto unimplemented_nowarn;
48dc41eb
FB		 3890#endif
3891#ifdef TARGET_NR_getdomainname
3892 case TARGET_NR_getdomainname:
3893 goto unimplemented_nowarn;
ebc05488 3894#endif
31e31b8a
FB		 3895 default:
3896 unimplemented:
5cd4393b 3897 gemu_log("qemu: Unsupported syscall: %d\n", num);
48dc41eb 3898#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) || defined(TARGET_NR_getdomainname)
5cd4393b 3899 unimplemented_nowarn:
80a9d035 3900#endif
31e31b8a
FB		 3901 ret = -ENOSYS;
3902 break;
3903 }
3904 fail:
c573ff67
FB		 3905#ifdef DEBUG
3906 gemu_log(" = %ld\n", ret);
3907#endif
31e31b8a
FB		 3908 return ret;
3909}
3910
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