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Fix for hard disk translation hints, by Volker Ruppert.
[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;
7775e9ec 1730 long ret;
53a5960a 1731
7775e9ec
FB		 1732 switch(cmd) {
1733 case TARGET_F_GETLK:
1734 ret = fcntl(fd, cmd, &fl);
1735 if (ret == 0) {
53a5960a 1736 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1737 target_fl->l_type = tswap16(fl.l_type);
1738 target_fl->l_whence = tswap16(fl.l_whence);
1739 target_fl->l_start = tswapl(fl.l_start);
1740 target_fl->l_len = tswapl(fl.l_len);
1741 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 1742 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1743 }
1744 break;
1745
1746 case TARGET_F_SETLK:
1747 case TARGET_F_SETLKW:
53a5960a 1748 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 1749 fl.l_type = tswap16(target_fl->l_type);
1750 fl.l_whence = tswap16(target_fl->l_whence);
1751 fl.l_start = tswapl(target_fl->l_start);
1752 fl.l_len = tswapl(target_fl->l_len);
1753 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 1754 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 1755 ret = fcntl(fd, cmd, &fl);
1756 break;
1757
1758 case TARGET_F_GETLK64:
1759 case TARGET_F_SETLK64:
1760 case TARGET_F_SETLKW64:
1761 ret = -1;
1762 errno = EINVAL;
1763 break;
1764
ffa65c3b
FB		 1765 case F_GETFL:
1766 ret = fcntl(fd, cmd, arg);
1767 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
1768 break;
1769
1770 case F_SETFL:
1771 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
1772 break;
1773
7775e9ec
FB		 1774 default:
1775 ret = fcntl(fd, cmd, arg);
1776 break;
1777 }
1778 return ret;
1779}
1780
67867308 1781#ifdef USE_UID16
7775e9ec 1782
67867308
FB		 1783static inline int high2lowuid(int uid)
1784{
1785 if (uid > 65535)
1786 return 65534;
1787 else
1788 return uid;
1789}
1790
1791static inline int high2lowgid(int gid)
1792{
1793 if (gid > 65535)
1794 return 65534;
1795 else
1796 return gid;
1797}
1798
1799static inline int low2highuid(int uid)
1800{
1801 if ((int16_t)uid == -1)
1802 return -1;
1803 else
1804 return uid;
1805}
1806
1807static inline int low2highgid(int gid)
1808{
1809 if ((int16_t)gid == -1)
1810 return -1;
1811 else
1812 return gid;
1813}
1814
1815#endif /* USE_UID16 */
1b6b029e 1816
31e31b8a
FB		 1817void syscall_init(void)
1818{
2ab83ea7
FB		 1819 IOCTLEntry *ie;
1820 const argtype *arg_type;
1821 int size;
1822
31e31b8a
FB		 1823#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
1824#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
1825#include "syscall_types.h"
1826#undef STRUCT
1827#undef STRUCT_SPECIAL
2ab83ea7
FB		 1828
1829 /* we patch the ioctl size if necessary. We rely on the fact that
1830 no ioctl has all the bits at '1' in the size field */
1831 ie = ioctl_entries;
1832 while (ie->target_cmd != 0) {
1833 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
1834 TARGET_IOC_SIZEMASK) {
1835 arg_type = ie->arg_type;
1836 if (arg_type[0] != TYPE_PTR) {
1837 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
1838 ie->target_cmd);
1839 exit(1);
1840 }
1841 arg_type++;
1842 size = thunk_type_size(arg_type, 0);
1843 ie->target_cmd = (ie->target_cmd &
1844 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
1845 (size << TARGET_IOC_SIZESHIFT);
1846 }
1847 /* automatic consistency check if same arch */
1848#if defined(__i386__) && defined(TARGET_I386)
1849 if (ie->target_cmd != ie->host_cmd) {
1850 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
1851 ie->target_cmd, ie->host_cmd);
1852 }
1853#endif
1854 ie++;
1855 }
31e31b8a 1856}
c573ff67 1857
ce4defa0
PB		 1858static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
1859{
1860#ifdef TARGET_WORDS_BIG_ENDIAN
1861 return ((uint64_t)word0 << 32) | word1;
1862#else
1863 return ((uint64_t)word1 << 32) | word0;
1864#endif
1865}
1866
1867#ifdef TARGET_NR_truncate64
1868static inline long target_truncate64(void *cpu_env, const char *arg1,
1869 long arg2, long arg3, long arg4)
1870{
1871#ifdef TARGET_ARM
1872 if (((CPUARMState *)cpu_env)->eabi)
1873 {
1874 arg2 = arg3;
1875 arg3 = arg4;
1876 }
1877#endif
1878 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
1879}
1880#endif
1881
1882#ifdef TARGET_NR_ftruncate64
1883static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
1884 long arg3, long arg4)
1885{
1886#ifdef TARGET_ARM
1887 if (((CPUARMState *)cpu_env)->eabi)
1888 {
1889 arg2 = arg3;
1890 arg3 = arg4;
1891 }
1892#endif
1893 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
1894}
1895#endif
1896
53a5960a
PB		 1897static inline void target_to_host_timespec(struct timespec *host_ts,
1898 target_ulong target_addr)
1899{
1900 struct target_timespec *target_ts;
1901
1902 lock_user_struct(target_ts, target_addr, 1);
1903 host_ts->tv_sec = tswapl(target_ts->tv_sec);
1904 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
1905 unlock_user_struct(target_ts, target_addr, 0);
1906}
1907
1908static inline void host_to_target_timespec(target_ulong target_addr,
1909 struct timespec *host_ts)
1910{
1911 struct target_timespec *target_ts;
1912
1913 lock_user_struct(target_ts, target_addr, 0);
1914 target_ts->tv_sec = tswapl(host_ts->tv_sec);
1915 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
1916 unlock_user_struct(target_ts, target_addr, 1);
1917}
1918
6dbad63e 1919long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 1920 long arg4, long arg5, long arg6)
1921{
1922 long ret;
1923 struct stat st;
56c8f68f 1924 struct statfs stfs;
53a5960a 1925 void *p;
31e31b8a 1926
72f03900 1927#ifdef DEBUG
c573ff67 1928 gemu_log("syscall %d", num);
72f03900 1929#endif
31e31b8a
FB		 1930 switch(num) {
1931 case TARGET_NR_exit:
7d13299d
FB		 1932#ifdef HAVE_GPROF
1933 _mcleanup();
1934#endif
e9009676 1935 gdb_exit(cpu_env, arg1);
1b6b029e 1936 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 1937 _exit(arg1);
1938 ret = 0; /* avoid warning */
1939 break;
1940 case TARGET_NR_read:
53a5960a
PB		 1941 page_unprotect_range(arg2, arg3);
1942 p = lock_user(arg2, arg3, 0);
1943 ret = get_errno(read(arg1, p, arg3));
1944 unlock_user(p, arg2, ret);
31e31b8a
FB		 1945 break;
1946 case TARGET_NR_write:
53a5960a
PB		 1947 p = lock_user(arg2, arg3, 1);
1948 ret = get_errno(write(arg1, p, arg3));
1949 unlock_user(p, arg2, 0);
31e31b8a
FB		 1950 break;
1951 case TARGET_NR_open:
53a5960a
PB		 1952 p = lock_user_string(arg1);
1953 ret = get_errno(open(path(p),
ffa65c3b
FB		 1954 target_to_host_bitmask(arg2, fcntl_flags_tbl),
1955 arg3));
53a5960a 1956 unlock_user(p, arg1, 0);
31e31b8a
FB		 1957 break;
1958 case TARGET_NR_close:
1959 ret = get_errno(close(arg1));
1960 break;
1961 case TARGET_NR_brk:
53a5960a 1962 ret = do_brk(arg1);
31e31b8a
FB		 1963 break;
1964 case TARGET_NR_fork:
1b6b029e 1965 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a
FB		 1966 break;
1967 case TARGET_NR_waitpid:
1968 {
53a5960a
PB		 1969 int status;
1970 ret = get_errno(waitpid(arg1, &status, arg3));
1971 if (!is_error(ret) && arg2)
1972 tput32(arg2, status);
31e31b8a
FB		 1973 }
1974 break;
1975 case TARGET_NR_creat:
53a5960a
PB		 1976 p = lock_user_string(arg1);
1977 ret = get_errno(creat(p, arg2));
1978 unlock_user(p, arg1, 0);
31e31b8a
FB		 1979 break;
1980 case TARGET_NR_link:
53a5960a
PB		 1981 {
1982 void * p2;
1983 p = lock_user_string(arg1);
1984 p2 = lock_user_string(arg2);
1985 ret = get_errno(link(p, p2));
1986 unlock_user(p2, arg2, 0);
1987 unlock_user(p, arg1, 0);
1988 }
31e31b8a
FB		 1989 break;
1990 case TARGET_NR_unlink:
53a5960a
PB		 1991 p = lock_user_string(arg1);
1992 ret = get_errno(unlink(p));
1993 unlock_user(p, arg1, 0);
31e31b8a
FB		 1994 break;
1995 case TARGET_NR_execve:
7854b056
FB		 1996 {
1997 char **argp, **envp;
f7341ff4 1998 int argc, envc;
53a5960a
PB		 1999 target_ulong gp;
2000 target_ulong guest_argp;
2001 target_ulong guest_envp;
2002 target_ulong addr;
7854b056
FB		 2003 char **q;
2004
f7341ff4 2005 argc = 0;
53a5960a
PB		 2006 guest_argp = arg2;
2007 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2008 argc++;
f7341ff4 2009 envc = 0;
53a5960a
PB		 2010 guest_envp = arg3;
2011 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2012 envc++;
2013
f7341ff4
FB		 2014 argp = alloca((argc + 1) * sizeof(void *));
2015 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2016
53a5960a
PB		 2017 for (gp = guest_argp, q = argp; ;
2018 gp += sizeof(target_ulong), q++) {
2019 addr = tgetl(gp);
2020 if (!addr)
2021 break;
2022 *q = lock_user_string(addr);
2023 }
f7341ff4
FB		 2024 *q = NULL;
2025
53a5960a
PB		 2026 for (gp = guest_envp, q = envp; ;
2027 gp += sizeof(target_ulong), q++) {
2028 addr = tgetl(gp);
2029 if (!addr)
2030 break;
2031 *q = lock_user_string(addr);
2032 }
f7341ff4 2033 *q = NULL;
7854b056 2034
53a5960a
PB		 2035 p = lock_user_string(arg1);
2036 ret = get_errno(execve(p, argp, envp));
2037 unlock_user(p, arg1, 0);
2038
2039 for (gp = guest_argp, q = argp; *q;
2040 gp += sizeof(target_ulong), q++) {
2041 addr = tgetl(gp);
2042 unlock_user(*q, addr, 0);
2043 }
2044 for (gp = guest_envp, q = envp; *q;
2045 gp += sizeof(target_ulong), q++) {
2046 addr = tgetl(gp);
2047 unlock_user(*q, addr, 0);
2048 }
7854b056 2049 }
31e31b8a
FB		 2050 break;
2051 case TARGET_NR_chdir:
53a5960a
PB		 2052 p = lock_user_string(arg1);
2053 ret = get_errno(chdir(p));
2054 unlock_user(p, arg1, 0);
31e31b8a 2055 break;
a315a145 2056#ifdef TARGET_NR_time
31e31b8a
FB		 2057 case TARGET_NR_time:
2058 {
53a5960a
PB		 2059 time_t host_time;
2060 ret = get_errno(time(&host_time));
2061 if (!is_error(ret) && arg1)
2062 tputl(arg1, host_time);
31e31b8a
FB		 2063 }
2064 break;
a315a145 2065#endif
31e31b8a 2066 case TARGET_NR_mknod:
53a5960a
PB		 2067 p = lock_user_string(arg1);
2068 ret = get_errno(mknod(p, arg2, arg3));
2069 unlock_user(p, arg1, 0);
31e31b8a
FB		 2070 break;
2071 case TARGET_NR_chmod:
53a5960a
PB		 2072 p = lock_user_string(arg1);
2073 ret = get_errno(chmod(p, arg2));
2074 unlock_user(p, arg1, 0);
31e31b8a 2075 break;
ebc05488 2076#ifdef TARGET_NR_break
31e31b8a
FB		 2077 case TARGET_NR_break:
2078 goto unimplemented;
ebc05488
FB		 2079#endif
2080#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2081 case TARGET_NR_oldstat:
2082 goto unimplemented;
ebc05488 2083#endif
31e31b8a
FB		 2084 case TARGET_NR_lseek:
2085 ret = get_errno(lseek(arg1, arg2, arg3));
2086 break;
2087 case TARGET_NR_getpid:
2088 ret = get_errno(getpid());
2089 break;
2090 case TARGET_NR_mount:
2091 /* need to look at the data field */
2092 goto unimplemented;
2093 case TARGET_NR_umount:
53a5960a
PB		 2094 p = lock_user_string(arg1);
2095 ret = get_errno(umount(p));
2096 unlock_user(p, arg1, 0);
31e31b8a 2097 break;
31e31b8a
FB		 2098 case TARGET_NR_stime:
2099 {
53a5960a
PB		 2100 time_t host_time;
2101 host_time = tgetl(arg1);
2102 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2103 }
2104 break;
2105 case TARGET_NR_ptrace:
2106 goto unimplemented;
2107 case TARGET_NR_alarm:
2108 ret = alarm(arg1);
2109 break;
ebc05488 2110#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2111 case TARGET_NR_oldfstat:
2112 goto unimplemented;
ebc05488 2113#endif
31e31b8a
FB		 2114 case TARGET_NR_pause:
2115 ret = get_errno(pause());
2116 break;
2117 case TARGET_NR_utime:
ebc05488 2118 {
53a5960a
PB		 2119 struct utimbuf tbuf, *host_tbuf;
2120 struct target_utimbuf *target_tbuf;
2121 if (arg2) {
2122 lock_user_struct(target_tbuf, arg2, 1);
2123 tbuf.actime = tswapl(target_tbuf->actime);
2124 tbuf.modtime = tswapl(target_tbuf->modtime);
2125 unlock_user_struct(target_tbuf, arg2, 0);
2126 host_tbuf = &tbuf;
f72e8ff4 2127 } else {
53a5960a 2128 host_tbuf = NULL;
f72e8ff4 2129 }
53a5960a
PB		 2130 p = lock_user_string(arg1);
2131 ret = get_errno(utime(p, host_tbuf));
2132 unlock_user(p, arg1, 0);
ebc05488
FB		 2133 }
2134 break;
978a66ff
FB		 2135 case TARGET_NR_utimes:
2136 {
978a66ff 2137 struct timeval *tvp, tv[2];
53a5960a
PB		 2138 if (arg2) {
2139 target_to_host_timeval(&tv[0], arg2);
2140 target_to_host_timeval(&tv[1],
2141 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2142 tvp = tv;
2143 } else {
2144 tvp = NULL;
2145 }
53a5960a
PB		 2146 p = lock_user_string(arg1);
2147 ret = get_errno(utimes(p, tvp));
2148 unlock_user(p, arg1, 0);
978a66ff
FB		 2149 }
2150 break;
ebc05488 2151#ifdef TARGET_NR_stty
31e31b8a
FB		 2152 case TARGET_NR_stty:
2153 goto unimplemented;
ebc05488
FB		 2154#endif
2155#ifdef TARGET_NR_gtty
31e31b8a
FB		 2156 case TARGET_NR_gtty:
2157 goto unimplemented;
ebc05488 2158#endif
31e31b8a 2159 case TARGET_NR_access:
53a5960a
PB		 2160 p = lock_user_string(arg1);
2161 ret = get_errno(access(p, arg2));
2162 unlock_user(p, arg1, 0);
31e31b8a
FB		 2163 break;
2164 case TARGET_NR_nice:
2165 ret = get_errno(nice(arg1));
2166 break;
ebc05488 2167#ifdef TARGET_NR_ftime
31e31b8a
FB		 2168 case TARGET_NR_ftime:
2169 goto unimplemented;
ebc05488 2170#endif
31e31b8a 2171 case TARGET_NR_sync:
04369ff2
FB		 2172 sync();
2173 ret = 0;
31e31b8a
FB		 2174 break;
2175 case TARGET_NR_kill:
2176 ret = get_errno(kill(arg1, arg2));
2177 break;
2178 case TARGET_NR_rename:
53a5960a
PB		 2179 {
2180 void *p2;
2181 p = lock_user_string(arg1);
2182 p2 = lock_user_string(arg2);
2183 ret = get_errno(rename(p, p2));
2184 unlock_user(p2, arg2, 0);
2185 unlock_user(p, arg1, 0);
2186 }
31e31b8a
FB		 2187 break;
2188 case TARGET_NR_mkdir:
53a5960a
PB		 2189 p = lock_user_string(arg1);
2190 ret = get_errno(mkdir(p, arg2));
2191 unlock_user(p, arg1, 0);
31e31b8a
FB		 2192 break;
2193 case TARGET_NR_rmdir:
53a5960a
PB		 2194 p = lock_user_string(arg1);
2195 ret = get_errno(rmdir(p));
2196 unlock_user(p, arg1, 0);
31e31b8a
FB		 2197 break;
2198 case TARGET_NR_dup:
2199 ret = get_errno(dup(arg1));
2200 break;
2201 case TARGET_NR_pipe:
2202 {
53a5960a
PB		 2203 int host_pipe[2];
2204 ret = get_errno(pipe(host_pipe));
31e31b8a 2205 if (!is_error(ret)) {
53a5960a
PB		 2206 tput32(arg1, host_pipe[0]);
2207 tput32(arg1 + 4, host_pipe[1]);
31e31b8a
FB		 2208 }
2209 }
2210 break;
2211 case TARGET_NR_times:
32f36bce 2212 {
53a5960a 2213 struct target_tms *tmsp;
32f36bce
FB		 2214 struct tms tms;
2215 ret = get_errno(times(&tms));
53a5960a
PB		 2216 if (arg1) {
2217 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 2218 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2219 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2220 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2221 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 2222 }
c596ed17
FB		 2223 if (!is_error(ret))
2224 ret = host_to_target_clock_t(ret);
32f36bce
FB		 2225 }
2226 break;
ebc05488 2227#ifdef TARGET_NR_prof
31e31b8a
FB		 2228 case TARGET_NR_prof:
2229 goto unimplemented;
ebc05488 2230#endif
31e31b8a
FB		 2231 case TARGET_NR_signal:
2232 goto unimplemented;
67867308 2233
31e31b8a 2234 case TARGET_NR_acct:
24836689
PB		 2235 p = lock_user_string(arg1);
2236 ret = get_errno(acct(path(p)));
2237 unlock_user(p, arg1, 0);
2238 break;
31e31b8a 2239 case TARGET_NR_umount2:
53a5960a
PB		 2240 p = lock_user_string(arg1);
2241 ret = get_errno(umount2(p, arg2));
2242 unlock_user(p, arg1, 0);
31e31b8a 2243 break;
ebc05488 2244#ifdef TARGET_NR_lock
31e31b8a
FB		 2245 case TARGET_NR_lock:
2246 goto unimplemented;
ebc05488 2247#endif
31e31b8a
FB		 2248 case TARGET_NR_ioctl:
2249 ret = do_ioctl(arg1, arg2, arg3);
2250 break;
2251 case TARGET_NR_fcntl:
7775e9ec 2252 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 2253 break;
ebc05488 2254#ifdef TARGET_NR_mpx
31e31b8a
FB		 2255 case TARGET_NR_mpx:
2256 goto unimplemented;
ebc05488 2257#endif
31e31b8a
FB		 2258 case TARGET_NR_setpgid:
2259 ret = get_errno(setpgid(arg1, arg2));
2260 break;
ebc05488 2261#ifdef TARGET_NR_ulimit
31e31b8a
FB		 2262 case TARGET_NR_ulimit:
2263 goto unimplemented;
ebc05488
FB		 2264#endif
2265#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 2266 case TARGET_NR_oldolduname:
2267 goto unimplemented;
ebc05488 2268#endif
31e31b8a
FB		 2269 case TARGET_NR_umask:
2270 ret = get_errno(umask(arg1));
2271 break;
2272 case TARGET_NR_chroot:
53a5960a
PB		 2273 p = lock_user_string(arg1);
2274 ret = get_errno(chroot(p));
2275 unlock_user(p, arg1, 0);
31e31b8a
FB		 2276 break;
2277 case TARGET_NR_ustat:
2278 goto unimplemented;
2279 case TARGET_NR_dup2:
2280 ret = get_errno(dup2(arg1, arg2));
2281 break;
2282 case TARGET_NR_getppid:
2283 ret = get_errno(getppid());
2284 break;
2285 case TARGET_NR_getpgrp:
2286 ret = get_errno(getpgrp());
2287 break;
2288 case TARGET_NR_setsid:
2289 ret = get_errno(setsid());
2290 break;
2291 case TARGET_NR_sigaction:
31e31b8a 2292 {
106ec879 2293 #if !defined(TARGET_MIPS)
53a5960a 2294 struct target_old_sigaction *old_act;
66fb9763 2295 struct target_sigaction act, oact, *pact;
53a5960a
PB		 2296 if (arg2) {
2297 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 2298 act._sa_handler = old_act->_sa_handler;
2299 target_siginitset(&act.sa_mask, old_act->sa_mask);
2300 act.sa_flags = old_act->sa_flags;
2301 act.sa_restorer = old_act->sa_restorer;
53a5960a 2302 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 2303 pact = &act;
2304 } else {
2305 pact = NULL;
2306 }
2307 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 2308 if (!is_error(ret) && arg3) {
2309 lock_user_struct(old_act, arg3, 0);
2310 old_act->_sa_handler = oact._sa_handler;
2311 old_act->sa_mask = oact.sa_mask.sig[0];
2312 old_act->sa_flags = oact.sa_flags;
2313 old_act->sa_restorer = oact.sa_restorer;
2314 unlock_user_struct(old_act, arg3, 1);
66fb9763 2315 }
106ec879
FB		 2316 #else
2317 struct target_sigaction act, oact, *pact, *old_act;
2318
2319 if (arg2) {
2320 lock_user_struct(old_act, arg2, 1);
2321 act._sa_handler = old_act->_sa_handler;
2322 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2323 act.sa_flags = old_act->sa_flags;
2324 unlock_user_struct(old_act, arg2, 0);
2325 pact = &act;
2326 } else {
2327 pact = NULL;
2328 }
2329
2330 ret = get_errno(do_sigaction(arg1, pact, &oact));
2331
2332 if (!is_error(ret) && arg3) {
2333 lock_user_struct(old_act, arg3, 0);
2334 old_act->_sa_handler = oact._sa_handler;
2335 old_act->sa_flags = oact.sa_flags;
2336 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2337 old_act->sa_mask.sig[1] = 0;
2338 old_act->sa_mask.sig[2] = 0;
2339 old_act->sa_mask.sig[3] = 0;
2340 unlock_user_struct(old_act, arg3, 1);
2341 }
2342 #endif
31e31b8a
FB		 2343 }
2344 break;
66fb9763 2345 case TARGET_NR_rt_sigaction:
53a5960a
PB		 2346 {
2347 struct target_sigaction *act;
2348 struct target_sigaction *oact;
2349
2350 if (arg2)
2351 lock_user_struct(act, arg2, 1);
2352 else
2353 act = NULL;
2354 if (arg3)
2355 lock_user_struct(oact, arg3, 0);
2356 else
2357 oact = NULL;
2358 ret = get_errno(do_sigaction(arg1, act, oact));
2359 if (arg2)
2360 unlock_user_struct(act, arg2, 0);
2361 if (arg3)
2362 unlock_user_struct(oact, arg3, 1);
2363 }
66fb9763 2364 break;
31e31b8a 2365 case TARGET_NR_sgetmask:
66fb9763
FB		 2366 {
2367 sigset_t cur_set;
2368 target_ulong target_set;
2369 sigprocmask(0, NULL, &cur_set);
2370 host_to_target_old_sigset(&target_set, &cur_set);
2371 ret = target_set;
2372 }
2373 break;
31e31b8a 2374 case TARGET_NR_ssetmask:
66fb9763
FB		 2375 {
2376 sigset_t set, oset, cur_set;
2377 target_ulong target_set = arg1;
2378 sigprocmask(0, NULL, &cur_set);
2379 target_to_host_old_sigset(&set, &target_set);
2380 sigorset(&set, &set, &cur_set);
2381 sigprocmask(SIG_SETMASK, &set, &oset);
2382 host_to_target_old_sigset(&target_set, &oset);
2383 ret = target_set;
2384 }
2385 break;
2386 case TARGET_NR_sigprocmask:
2387 {
2388 int how = arg1;
2389 sigset_t set, oldset, *set_ptr;
66fb9763 2390
53a5960a 2391 if (arg2) {
66fb9763
FB		 2392 switch(how) {
2393 case TARGET_SIG_BLOCK:
2394 how = SIG_BLOCK;
2395 break;
2396 case TARGET_SIG_UNBLOCK:
2397 how = SIG_UNBLOCK;
2398 break;
2399 case TARGET_SIG_SETMASK:
2400 how = SIG_SETMASK;
2401 break;
2402 default:
2403 ret = -EINVAL;
2404 goto fail;
2405 }
53a5960a
PB		 2406 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2407 target_to_host_old_sigset(&set, p);
2408 unlock_user(p, arg2, 0);
66fb9763
FB		 2409 set_ptr = &set;
2410 } else {
2411 how = 0;
2412 set_ptr = NULL;
2413 }
2414 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 2415 if (!is_error(ret) && arg3) {
2416 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2417 host_to_target_old_sigset(p, &oldset);
2418 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2419 }
2420 }
2421 break;
2422 case TARGET_NR_rt_sigprocmask:
2423 {
2424 int how = arg1;
2425 sigset_t set, oldset, *set_ptr;
66fb9763 2426
53a5960a 2427 if (arg2) {
66fb9763
FB		 2428 switch(how) {
2429 case TARGET_SIG_BLOCK:
2430 how = SIG_BLOCK;
2431 break;
2432 case TARGET_SIG_UNBLOCK:
2433 how = SIG_UNBLOCK;
2434 break;
2435 case TARGET_SIG_SETMASK:
2436 how = SIG_SETMASK;
2437 break;
2438 default:
2439 ret = -EINVAL;
2440 goto fail;
2441 }
53a5960a
PB		 2442 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2443 target_to_host_sigset(&set, p);
2444 unlock_user(p, arg2, 0);
66fb9763
FB		 2445 set_ptr = &set;
2446 } else {
2447 how = 0;
2448 set_ptr = NULL;
2449 }
2450 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 2451 if (!is_error(ret) && arg3) {
2452 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2453 host_to_target_sigset(p, &oldset);
2454 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2455 }
2456 }
2457 break;
2458 case TARGET_NR_sigpending:
2459 {
2460 sigset_t set;
2461 ret = get_errno(sigpending(&set));
2462 if (!is_error(ret)) {
53a5960a
PB		 2463 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2464 host_to_target_old_sigset(p, &set);
2465 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2466 }
2467 }
2468 break;
2469 case TARGET_NR_rt_sigpending:
2470 {
2471 sigset_t set;
2472 ret = get_errno(sigpending(&set));
2473 if (!is_error(ret)) {
53a5960a
PB		 2474 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2475 host_to_target_sigset(p, &set);
2476 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2477 }
2478 }
2479 break;
2480 case TARGET_NR_sigsuspend:
2481 {
2482 sigset_t set;
53a5960a
PB		 2483 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2484 target_to_host_old_sigset(&set, p);
2485 unlock_user(p, arg1, 0);
66fb9763
FB		 2486 ret = get_errno(sigsuspend(&set));
2487 }
2488 break;
2489 case TARGET_NR_rt_sigsuspend:
2490 {
2491 sigset_t set;
53a5960a
PB		 2492 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2493 target_to_host_sigset(&set, p);
2494 unlock_user(p, arg1, 0);
66fb9763
FB		 2495 ret = get_errno(sigsuspend(&set));
2496 }
2497 break;
2498 case TARGET_NR_rt_sigtimedwait:
2499 {
66fb9763
FB		 2500 sigset_t set;
2501 struct timespec uts, *puts;
2502 siginfo_t uinfo;
2503
53a5960a
PB		 2504 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2505 target_to_host_sigset(&set, p);
2506 unlock_user(p, arg1, 0);
2507 if (arg3) {
66fb9763 2508 puts = &uts;
53a5960a 2509 target_to_host_timespec(puts, arg3);
66fb9763
FB		 2510 } else {
2511 puts = NULL;
2512 }
2513 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 2514 if (!is_error(ret) && arg2) {
2515 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2516 host_to_target_siginfo(p, &uinfo);
2517 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 2518 }
2519 }
2520 break;
2521 case TARGET_NR_rt_sigqueueinfo:
2522 {
2523 siginfo_t uinfo;
53a5960a
PB		 2524 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2525 target_to_host_siginfo(&uinfo, p);
2526 unlock_user(p, arg1, 0);
66fb9763
FB		 2527 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2528 }
2529 break;
2530 case TARGET_NR_sigreturn:
2531 /* NOTE: ret is eax, so not transcoding must be done */
2532 ret = do_sigreturn(cpu_env);
2533 break;
2534 case TARGET_NR_rt_sigreturn:
2535 /* NOTE: ret is eax, so not transcoding must be done */
2536 ret = do_rt_sigreturn(cpu_env);
2537 break;
31e31b8a 2538 case TARGET_NR_sethostname:
53a5960a
PB		 2539 p = lock_user_string(arg1);
2540 ret = get_errno(sethostname(p, arg2));
2541 unlock_user(p, arg1, 0);
31e31b8a
FB		 2542 break;
2543 case TARGET_NR_setrlimit:
9de5e440
FB		 2544 {
2545 /* XXX: convert resource ? */
2546 int resource = arg1;
53a5960a 2547 struct target_rlimit *target_rlim;
9de5e440 2548 struct rlimit rlim;
53a5960a 2549 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2550 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2551 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 2552 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 2553 ret = get_errno(setrlimit(resource, &rlim));
2554 }
2555 break;
31e31b8a 2556 case TARGET_NR_getrlimit:
9de5e440
FB		 2557 {
2558 /* XXX: convert resource ? */
2559 int resource = arg1;
53a5960a 2560 struct target_rlimit *target_rlim;
9de5e440
FB		 2561 struct rlimit rlim;
2562
2563 ret = get_errno(getrlimit(resource, &rlim));
2564 if (!is_error(ret)) {
53a5960a
PB		 2565 lock_user_struct(target_rlim, arg2, 0);
2566 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
2567 rlim.rlim_max = tswapl(target_rlim->rlim_max);
2568 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 2569 }
2570 }
2571 break;
31e31b8a 2572 case TARGET_NR_getrusage:
b409186b
FB		 2573 {
2574 struct rusage rusage;
b409186b
FB		 2575 ret = get_errno(getrusage(arg1, &rusage));
2576 if (!is_error(ret)) {
53a5960a 2577 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 2578 }
2579 }
2580 break;
31e31b8a
FB		 2581 case TARGET_NR_gettimeofday:
2582 {
31e31b8a
FB		 2583 struct timeval tv;
2584 ret = get_errno(gettimeofday(&tv, NULL));
2585 if (!is_error(ret)) {
53a5960a 2586 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 2587 }
2588 }
2589 break;
2590 case TARGET_NR_settimeofday:
2591 {
31e31b8a 2592 struct timeval tv;
53a5960a 2593 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 2594 ret = get_errno(settimeofday(&tv, NULL));
2595 }
2596 break;
048f6b4d 2597#ifdef TARGET_NR_select
31e31b8a 2598 case TARGET_NR_select:
f2674e31 2599 {
53a5960a
PB		 2600 struct target_sel_arg_struct *sel;
2601 target_ulong inp, outp, exp, tvp;
2602 long nsel;
2603
2604 lock_user_struct(sel, arg1, 1);
2605 nsel = tswapl(sel->n);
2606 inp = tswapl(sel->inp);
2607 outp = tswapl(sel->outp);
2608 exp = tswapl(sel->exp);
2609 tvp = tswapl(sel->tvp);
2610 unlock_user_struct(sel, arg1, 0);
2611 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 2612 }
2613 break;
048f6b4d 2614#endif
31e31b8a 2615 case TARGET_NR_symlink:
53a5960a
PB		 2616 {
2617 void *p2;
2618 p = lock_user_string(arg1);
2619 p2 = lock_user_string(arg2);
2620 ret = get_errno(symlink(p, p2));
2621 unlock_user(p2, arg2, 0);
2622 unlock_user(p, arg1, 0);
2623 }
31e31b8a 2624 break;
ebc05488 2625#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 2626 case TARGET_NR_oldlstat:
2627 goto unimplemented;
ebc05488 2628#endif
31e31b8a 2629 case TARGET_NR_readlink:
53a5960a
PB		 2630 {
2631 void *p2;
2632 p = lock_user_string(arg1);
2633 p2 = lock_user(arg2, arg3, 0);
2634 ret = get_errno(readlink(path(p), p2, arg3));
2635 unlock_user(p2, arg2, ret);
2636 unlock_user(p, arg1, 0);
2637 }
31e31b8a
FB		 2638 break;
2639 case TARGET_NR_uselib:
2640 goto unimplemented;
2641 case TARGET_NR_swapon:
53a5960a
PB		 2642 p = lock_user_string(arg1);
2643 ret = get_errno(swapon(p, arg2));
2644 unlock_user(p, arg1, 0);
31e31b8a
FB		 2645 break;
2646 case TARGET_NR_reboot:
2647 goto unimplemented;
2648 case TARGET_NR_readdir:
2649 goto unimplemented;
31e31b8a 2650 case TARGET_NR_mmap:
e6e5906b 2651#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
31e31b8a 2652 {
53a5960a
PB		 2653 target_ulong *v;
2654 target_ulong v1, v2, v3, v4, v5, v6;
2655 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
2656 v1 = tswapl(v[0]);
2657 v2 = tswapl(v[1]);
2658 v3 = tswapl(v[2]);
2659 v4 = tswapl(v[3]);
2660 v5 = tswapl(v[4]);
2661 v6 = tswapl(v[5]);
2662 unlock_user(v, arg1, 0);
5286db75
FB		 2663 ret = get_errno(target_mmap(v1, v2, v3,
2664 target_to_host_bitmask(v4, mmap_flags_tbl),
2665 v5, v6));
31e31b8a 2666 }
31e31b8a 2667#else
6fb883e8
FB		 2668 ret = get_errno(target_mmap(arg1, arg2, arg3,
2669 target_to_host_bitmask(arg4, mmap_flags_tbl),
2670 arg5,
2671 arg6));
31e31b8a 2672#endif
6fb883e8 2673 break;
a315a145 2674#ifdef TARGET_NR_mmap2
6fb883e8 2675 case TARGET_NR_mmap2:
0d3267a7 2676#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 2677#define MMAP_SHIFT 12
2678#else
2679#define MMAP_SHIFT TARGET_PAGE_BITS
2680#endif
5286db75
FB		 2681 ret = get_errno(target_mmap(arg1, arg2, arg3,
2682 target_to_host_bitmask(arg4, mmap_flags_tbl),
2683 arg5,
c573ff67 2684 arg6 << MMAP_SHIFT));
31e31b8a 2685 break;
a315a145 2686#endif
31e31b8a 2687 case TARGET_NR_munmap:
54936004 2688 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 2689 break;
9de5e440 2690 case TARGET_NR_mprotect:
54936004 2691 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440
FB		 2692 break;
2693 case TARGET_NR_mremap:
54936004 2694 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 2695 break;
53a5960a 2696 /* ??? msync/mlock/munlock are broken for softmmu. */
9de5e440 2697 case TARGET_NR_msync:
53a5960a 2698 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440
FB		 2699 break;
2700 case TARGET_NR_mlock:
53a5960a 2701 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440
FB		 2702 break;
2703 case TARGET_NR_munlock:
53a5960a 2704 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440
FB		 2705 break;
2706 case TARGET_NR_mlockall:
2707 ret = get_errno(mlockall(arg1));
2708 break;
2709 case TARGET_NR_munlockall:
2710 ret = get_errno(munlockall());
2711 break;
31e31b8a 2712 case TARGET_NR_truncate:
53a5960a
PB		 2713 p = lock_user_string(arg1);
2714 ret = get_errno(truncate(p, arg2));
2715 unlock_user(p, arg1, 0);
31e31b8a
FB		 2716 break;
2717 case TARGET_NR_ftruncate:
2718 ret = get_errno(ftruncate(arg1, arg2));
2719 break;
2720 case TARGET_NR_fchmod:
2721 ret = get_errno(fchmod(arg1, arg2));
2722 break;
31e31b8a
FB		 2723 case TARGET_NR_getpriority:
2724 ret = get_errno(getpriority(arg1, arg2));
2725 break;
2726 case TARGET_NR_setpriority:
2727 ret = get_errno(setpriority(arg1, arg2, arg3));
2728 break;
ebc05488 2729#ifdef TARGET_NR_profil
31e31b8a
FB		 2730 case TARGET_NR_profil:
2731 goto unimplemented;
ebc05488 2732#endif
31e31b8a 2733 case TARGET_NR_statfs:
53a5960a
PB		 2734 p = lock_user_string(arg1);
2735 ret = get_errno(statfs(path(p), &stfs));
2736 unlock_user(p, arg1, 0);
31e31b8a
FB		 2737 convert_statfs:
2738 if (!is_error(ret)) {
53a5960a 2739 struct target_statfs *target_stfs;
56c8f68f 2740
53a5960a
PB		 2741 lock_user_struct(target_stfs, arg2, 0);
2742 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2743 put_user(stfs.f_type, &target_stfs->f_type);
2744 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2745 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2746 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2747 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2748 put_user(stfs.f_files, &target_stfs->f_files);
2749 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2750 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2751 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2752 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 2753 }
2754 break;
2755 case TARGET_NR_fstatfs:
56c8f68f 2756 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 2757 goto convert_statfs;
56c8f68f
FB		 2758#ifdef TARGET_NR_statfs64
2759 case TARGET_NR_statfs64:
53a5960a
PB		 2760 p = lock_user_string(arg1);
2761 ret = get_errno(statfs(path(p), &stfs));
2762 unlock_user(p, arg1, 0);
56c8f68f
FB		 2763 convert_statfs64:
2764 if (!is_error(ret)) {
53a5960a
PB		 2765 struct target_statfs64 *target_stfs;
2766
2767 lock_user_struct(target_stfs, arg3, 0);
2768 /* ??? put_user is probably wrong. */
56c8f68f
FB		 2769 put_user(stfs.f_type, &target_stfs->f_type);
2770 put_user(stfs.f_bsize, &target_stfs->f_bsize);
2771 put_user(stfs.f_blocks, &target_stfs->f_blocks);
2772 put_user(stfs.f_bfree, &target_stfs->f_bfree);
2773 put_user(stfs.f_bavail, &target_stfs->f_bavail);
2774 put_user(stfs.f_files, &target_stfs->f_files);
2775 put_user(stfs.f_ffree, &target_stfs->f_ffree);
2776 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
2777 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 2778 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 2779 }
2780 break;
2781 case TARGET_NR_fstatfs64:
2782 ret = get_errno(fstatfs(arg1, &stfs));
2783 goto convert_statfs64;
2784#endif
ebc05488 2785#ifdef TARGET_NR_ioperm
31e31b8a
FB		 2786 case TARGET_NR_ioperm:
2787 goto unimplemented;
ebc05488 2788#endif
31e31b8a 2789 case TARGET_NR_socketcall:
53a5960a 2790 ret = do_socketcall(arg1, arg2);
31e31b8a 2791 break;
3532fa74
FB		 2792
2793#ifdef TARGET_NR_accept
2794 case TARGET_NR_accept:
1be9e1dc 2795 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 2796 break;
2797#endif
2798#ifdef TARGET_NR_bind
2799 case TARGET_NR_bind:
2800 ret = do_bind(arg1, arg2, arg3);
2801 break;
2802#endif
2803#ifdef TARGET_NR_connect
2804 case TARGET_NR_connect:
2805 ret = do_connect(arg1, arg2, arg3);
2806 break;
2807#endif
2808#ifdef TARGET_NR_getpeername
2809 case TARGET_NR_getpeername:
1be9e1dc 2810 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 2811 break;
2812#endif
2813#ifdef TARGET_NR_getsockname
2814 case TARGET_NR_getsockname:
1be9e1dc 2815 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 2816 break;
2817#endif
2818#ifdef TARGET_NR_getsockopt
2819 case TARGET_NR_getsockopt:
2820 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
2821 break;
2822#endif
2823#ifdef TARGET_NR_listen
2824 case TARGET_NR_listen:
1be9e1dc 2825 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 2826 break;
2827#endif
2828#ifdef TARGET_NR_recv
2829 case TARGET_NR_recv:
1be9e1dc 2830 ret = do_recvfrom(arg1, arg1, arg3, arg4, 0, 0);
3532fa74
FB		 2831 break;
2832#endif
2833#ifdef TARGET_NR_recvfrom
2834 case TARGET_NR_recvfrom:
1be9e1dc 2835 ret = do_recvfrom(arg1, arg1, arg3, arg4, arg5, arg6);
3532fa74
FB		 2836 break;
2837#endif
2838#ifdef TARGET_NR_recvmsg
2839 case TARGET_NR_recvmsg:
2840 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
2841 break;
2842#endif
2843#ifdef TARGET_NR_send
2844 case TARGET_NR_send:
1be9e1dc 2845 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 2846 break;
2847#endif
2848#ifdef TARGET_NR_sendmsg
2849 case TARGET_NR_sendmsg:
2850 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
2851 break;
2852#endif
2853#ifdef TARGET_NR_sendto
2854 case TARGET_NR_sendto:
1be9e1dc 2855 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 2856 break;
2857#endif
2858#ifdef TARGET_NR_shutdown
2859 case TARGET_NR_shutdown:
1be9e1dc 2860 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 2861 break;
2862#endif
2863#ifdef TARGET_NR_socket
2864 case TARGET_NR_socket:
2865 ret = do_socket(arg1, arg2, arg3);
2866 break;
2867#endif
2868#ifdef TARGET_NR_socketpair
2869 case TARGET_NR_socketpair:
1be9e1dc 2870 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 2871 break;
2872#endif
2873#ifdef TARGET_NR_setsockopt
2874 case TARGET_NR_setsockopt:
2875 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
2876 break;
2877#endif
2878
31e31b8a
FB		 2879 case TARGET_NR_syslog:
2880 goto unimplemented;
2881 case TARGET_NR_setitimer:
66fb9763 2882 {
66fb9763
FB		 2883 struct itimerval value, ovalue, *pvalue;
2884
53a5960a 2885 if (arg2) {
66fb9763
FB		 2886 pvalue = &value;
2887 target_to_host_timeval(&pvalue->it_interval,
53a5960a 2888 arg2);
66fb9763 2889 target_to_host_timeval(&pvalue->it_value,
53a5960a 2890 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 2891 } else {
2892 pvalue = NULL;
2893 }
2894 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 2895 if (!is_error(ret) && arg3) {
2896 host_to_target_timeval(arg3,
66fb9763 2897 &ovalue.it_interval);
53a5960a 2898 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 2899 &ovalue.it_value);
2900 }
2901 }
2902 break;
31e31b8a 2903 case TARGET_NR_getitimer:
66fb9763 2904 {
66fb9763
FB		 2905 struct itimerval value;
2906
2907 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 2908 if (!is_error(ret) && arg2) {
2909 host_to_target_timeval(arg2,
66fb9763 2910 &value.it_interval);
53a5960a 2911 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 2912 &value.it_value);
2913 }
2914 }
2915 break;
31e31b8a 2916 case TARGET_NR_stat:
53a5960a
PB		 2917 p = lock_user_string(arg1);
2918 ret = get_errno(stat(path(p), &st));
2919 unlock_user(p, arg1, 0);
31e31b8a
FB		 2920 goto do_stat;
2921 case TARGET_NR_lstat:
53a5960a
PB		 2922 p = lock_user_string(arg1);
2923 ret = get_errno(lstat(path(p), &st));
2924 unlock_user(p, arg1, 0);
31e31b8a
FB		 2925 goto do_stat;
2926 case TARGET_NR_fstat:
2927 {
2928 ret = get_errno(fstat(arg1, &st));
2929 do_stat:
2930 if (!is_error(ret)) {
53a5960a
PB		 2931 struct target_stat *target_st;
2932
2933 lock_user_struct(target_st, arg2, 0);
31e31b8a
FB		 2934 target_st->st_dev = tswap16(st.st_dev);
2935 target_st->st_ino = tswapl(st.st_ino);
7d600c80 2936#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 2937 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
2938 target_st->st_uid = tswap32(st.st_uid);
2939 target_st->st_gid = tswap32(st.st_gid);
2940#else
ec86b0fb 2941 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 2942 target_st->st_uid = tswap16(st.st_uid);
2943 target_st->st_gid = tswap16(st.st_gid);
67867308
FB		 2944#endif
2945 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a
FB		 2946 target_st->st_rdev = tswap16(st.st_rdev);
2947 target_st->st_size = tswapl(st.st_size);
2948 target_st->st_blksize = tswapl(st.st_blksize);
2949 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 2950 target_st->target_st_atime = tswapl(st.st_atime);
2951 target_st->target_st_mtime = tswapl(st.st_mtime);
2952 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 2953 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 2954 }
2955 }
2956 break;
ebc05488 2957#ifdef TARGET_NR_olduname
31e31b8a
FB		 2958 case TARGET_NR_olduname:
2959 goto unimplemented;
ebc05488
FB		 2960#endif
2961#ifdef TARGET_NR_iopl
31e31b8a
FB		 2962 case TARGET_NR_iopl:
2963 goto unimplemented;
ebc05488 2964#endif
31e31b8a
FB		 2965 case TARGET_NR_vhangup:
2966 ret = get_errno(vhangup());
2967 break;
ebc05488 2968#ifdef TARGET_NR_idle
31e31b8a
FB		 2969 case TARGET_NR_idle:
2970 goto unimplemented;
42ad6ae9
FB		 2971#endif
2972#ifdef TARGET_NR_syscall
2973 case TARGET_NR_syscall:
2974 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
2975 break;
ebc05488 2976#endif
31e31b8a
FB		 2977 case TARGET_NR_wait4:
2978 {
2979 int status;
53a5960a 2980 target_long status_ptr = arg2;
31e31b8a 2981 struct rusage rusage, *rusage_ptr;
53a5960a 2982 target_ulong target_rusage = arg4;
31e31b8a
FB		 2983 if (target_rusage)
2984 rusage_ptr = &rusage;
2985 else
2986 rusage_ptr = NULL;
2987 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
2988 if (!is_error(ret)) {
2989 if (status_ptr)
53a5960a 2990 tputl(status_ptr, status);
31e31b8a 2991 if (target_rusage) {
b409186b 2992 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 2993 }
2994 }
2995 }
2996 break;
2997 case TARGET_NR_swapoff:
53a5960a
PB		 2998 p = lock_user_string(arg1);
2999 ret = get_errno(swapoff(p));
3000 unlock_user(p, arg1, 0);
31e31b8a
FB		 3001 break;
3002 case TARGET_NR_sysinfo:
a5448a7d 3003 {
53a5960a 3004 struct target_sysinfo *target_value;
a5448a7d
FB		 3005 struct sysinfo value;
3006 ret = get_errno(sysinfo(&value));
53a5960a 3007 if (!is_error(ret) && arg1)
a5448a7d 3008 {
53a5960a
PB		 3009 /* ??? __put_user is probably wrong. */
3010 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3011 __put_user(value.uptime, &target_value->uptime);
3012 __put_user(value.loads[0], &target_value->loads[0]);
3013 __put_user(value.loads[1], &target_value->loads[1]);
3014 __put_user(value.loads[2], &target_value->loads[2]);
3015 __put_user(value.totalram, &target_value->totalram);
3016 __put_user(value.freeram, &target_value->freeram);
3017 __put_user(value.sharedram, &target_value->sharedram);
3018 __put_user(value.bufferram, &target_value->bufferram);
3019 __put_user(value.totalswap, &target_value->totalswap);
3020 __put_user(value.freeswap, &target_value->freeswap);
3021 __put_user(value.procs, &target_value->procs);
3022 __put_user(value.totalhigh, &target_value->totalhigh);
3023 __put_user(value.freehigh, &target_value->freehigh);
3024 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 3025 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 3026 }
3027 }
3028 break;
31e31b8a 3029 case TARGET_NR_ipc:
8853f86e
FB		 3030 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3031 break;
31e31b8a
FB		 3032 case TARGET_NR_fsync:
3033 ret = get_errno(fsync(arg1));
3034 break;
31e31b8a 3035 case TARGET_NR_clone:
1b6b029e
FB		 3036 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3037 break;
ec86b0fb
FB		 3038#ifdef __NR_exit_group
3039 /* new thread calls */
3040 case TARGET_NR_exit_group:
e9009676 3041 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 3042 ret = get_errno(exit_group(arg1));
3043 break;
3044#endif
31e31b8a 3045 case TARGET_NR_setdomainname:
53a5960a
PB		 3046 p = lock_user_string(arg1);
3047 ret = get_errno(setdomainname(p, arg2));
3048 unlock_user(p, arg1, 0);
31e31b8a
FB		 3049 break;
3050 case TARGET_NR_uname:
3051 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 3052 {
3053 struct new_utsname * buf;
3054
53a5960a 3055 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 3056 ret = get_errno(sys_uname(buf));
3057 if (!is_error(ret)) {
3058 /* Overrite the native machine name with whatever is being
3059 emulated. */
3060 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 3061 /* Allow the user to override the reported release. */
3062 if (qemu_uname_release && *qemu_uname_release)
3063 strcpy (buf->release, qemu_uname_release);
29e619b1 3064 }
53a5960a 3065 unlock_user_struct(buf, arg1, 1);
29e619b1 3066 }
31e31b8a 3067 break;
6dbad63e 3068#ifdef TARGET_I386
31e31b8a 3069 case TARGET_NR_modify_ldt:
53a5960a 3070 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b
FB		 3071 break;
3072 case TARGET_NR_vm86old:
3073 goto unimplemented;
3074 case TARGET_NR_vm86:
53a5960a 3075 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e
FB		 3076 break;
3077#endif
31e31b8a
FB		 3078 case TARGET_NR_adjtimex:
3079 goto unimplemented;
31e31b8a
FB		 3080 case TARGET_NR_create_module:
3081 case TARGET_NR_init_module:
3082 case TARGET_NR_delete_module:
3083 case TARGET_NR_get_kernel_syms:
3084 goto unimplemented;
3085 case TARGET_NR_quotactl:
3086 goto unimplemented;
3087 case TARGET_NR_getpgid:
3088 ret = get_errno(getpgid(arg1));
3089 break;
3090 case TARGET_NR_fchdir:
3091 ret = get_errno(fchdir(arg1));
3092 break;
3093 case TARGET_NR_bdflush:
3094 goto unimplemented;
3095 case TARGET_NR_sysfs:
3096 goto unimplemented;
3097 case TARGET_NR_personality:
1b6b029e 3098 ret = get_errno(personality(arg1));
31e31b8a
FB		 3099 break;
3100 case TARGET_NR_afs_syscall:
3101 goto unimplemented;
31e31b8a
FB		 3102 case TARGET_NR__llseek:
3103 {
4f2ac237
FB		 3104#if defined (__x86_64__)
3105 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 3106 tput64(arg4, ret);
4f2ac237 3107#else
31e31b8a
FB		 3108 int64_t res;
3109 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 3110 tput64(arg4, res);
4f2ac237 3111#endif
31e31b8a
FB		 3112 }
3113 break;
3114 case TARGET_NR_getdents:
3115#if TARGET_LONG_SIZE != 4
53a5960a 3116 goto unimplemented;
a315a145 3117#warning not supported
4add45b4
FB		 3118#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3119 {
53a5960a 3120 struct target_dirent *target_dirp;
4add45b4
FB		 3121 struct dirent *dirp;
3122 long count = arg3;
3123
3124 dirp = malloc(count);
3125 if (!dirp)
3126 return -ENOMEM;
3127
3128 ret = get_errno(sys_getdents(arg1, dirp, count));
3129 if (!is_error(ret)) {
3130 struct dirent *de;
3131 struct target_dirent *tde;
3132 int len = ret;
3133 int reclen, treclen;
3134 int count1, tnamelen;
3135
3136 count1 = 0;
3137 de = dirp;
53a5960a 3138 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 3139 tde = target_dirp;
3140 while (len > 0) {
3141 reclen = de->d_reclen;
3142 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3143 tde->d_reclen = tswap16(treclen);
3144 tde->d_ino = tswapl(de->d_ino);
3145 tde->d_off = tswapl(de->d_off);
3146 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3147 if (tnamelen > 256)
3148 tnamelen = 256;
80a9d035 3149 /* XXX: may not be correct */
4add45b4
FB		 3150 strncpy(tde->d_name, de->d_name, tnamelen);
3151 de = (struct dirent *)((char *)de + reclen);
3152 len -= reclen;
3153 tde = (struct dirent *)((char *)tde + treclen);
3154 count1 += treclen;
3155 }
3156 ret = count1;
3157 }
53a5960a 3158 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 3159 free(dirp);
3160 }
3161#else
31e31b8a 3162 {
53a5960a 3163 struct dirent *dirp;
31e31b8a 3164 long count = arg3;
dab2ed99 3165
53a5960a 3166 dirp = lock_user(arg2, count, 0);
72f03900 3167 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 3168 if (!is_error(ret)) {
3169 struct dirent *de;
3170 int len = ret;
3171 int reclen;
3172 de = dirp;
3173 while (len > 0) {
8083a3e5 3174 reclen = de->d_reclen;
31e31b8a
FB		 3175 if (reclen > len)
3176 break;
8083a3e5 3177 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 3178 tswapls(&de->d_ino);
3179 tswapls(&de->d_off);
3180 de = (struct dirent *)((char *)de + reclen);
3181 len -= reclen;
3182 }
3183 }
53a5960a 3184 unlock_user(dirp, arg2, ret);
31e31b8a 3185 }
4add45b4 3186#endif
31e31b8a 3187 break;
a541f297 3188#ifdef TARGET_NR_getdents64
dab2ed99
FB		 3189 case TARGET_NR_getdents64:
3190 {
53a5960a 3191 struct dirent64 *dirp;
dab2ed99 3192 long count = arg3;
53a5960a 3193 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 3194 ret = get_errno(sys_getdents64(arg1, dirp, count));
3195 if (!is_error(ret)) {
3196 struct dirent64 *de;
3197 int len = ret;
3198 int reclen;
3199 de = dirp;
3200 while (len > 0) {
8083a3e5 3201 reclen = de->d_reclen;
dab2ed99
FB		 3202 if (reclen > len)
3203 break;
8083a3e5 3204 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 3205 tswap64s(&de->d_ino);
3206 tswap64s(&de->d_off);
3207 de = (struct dirent64 *)((char *)de + reclen);
3208 len -= reclen;
3209 }
3210 }
53a5960a 3211 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 3212 }
3213 break;
a541f297 3214#endif /* TARGET_NR_getdents64 */
31e31b8a 3215 case TARGET_NR__newselect:
53a5960a 3216 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 3217 break;
9de5e440
FB		 3218 case TARGET_NR_poll:
3219 {
53a5960a 3220 struct target_pollfd *target_pfd;
9de5e440
FB		 3221 unsigned int nfds = arg2;
3222 int timeout = arg3;
3223 struct pollfd *pfd;
7854b056 3224 unsigned int i;
9de5e440 3225
53a5960a 3226 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 3227 pfd = alloca(sizeof(struct pollfd) * nfds);
3228 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 3229 pfd[i].fd = tswap32(target_pfd[i].fd);
3230 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 3231 }
3232 ret = get_errno(poll(pfd, nfds, timeout));
3233 if (!is_error(ret)) {
3234 for(i = 0; i < nfds; i++) {
5cd4393b 3235 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 3236 }
53a5960a
PB		 3237 ret += nfds * (sizeof(struct target_pollfd)
3238 - sizeof(struct pollfd));
9de5e440 3239 }
53a5960a 3240 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 3241 }
3242 break;
31e31b8a 3243 case TARGET_NR_flock:
9de5e440
FB		 3244 /* NOTE: the flock constant seems to be the same for every
3245 Linux platform */
3246 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 3247 break;
3248 case TARGET_NR_readv:
3249 {
3250 int count = arg3;
31e31b8a 3251 struct iovec *vec;
31e31b8a
FB		 3252
3253 vec = alloca(count * sizeof(struct iovec));
53a5960a 3254 lock_iovec(vec, arg2, count, 0);
31e31b8a 3255 ret = get_errno(readv(arg1, vec, count));
53a5960a 3256 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 3257 }
3258 break;
3259 case TARGET_NR_writev:
3260 {
3261 int count = arg3;
31e31b8a 3262 struct iovec *vec;
31e31b8a
FB		 3263
3264 vec = alloca(count * sizeof(struct iovec));
53a5960a 3265 lock_iovec(vec, arg2, count, 1);
31e31b8a 3266 ret = get_errno(writev(arg1, vec, count));
53a5960a 3267 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 3268 }
3269 break;
3270 case TARGET_NR_getsid:
3271 ret = get_errno(getsid(arg1));
3272 break;
3273 case TARGET_NR_fdatasync:
5cd4393b
FB		 3274 ret = get_errno(fdatasync(arg1));
3275 break;
31e31b8a 3276 case TARGET_NR__sysctl:
29e619b1
FB		 3277 /* We don't implement this, but ENODIR is always a safe
3278 return value. */
3279 return -ENOTDIR;
31e31b8a 3280 case TARGET_NR_sched_setparam:
5cd4393b 3281 {
53a5960a 3282 struct sched_param *target_schp;
5cd4393b 3283 struct sched_param schp;
53a5960a
PB		 3284
3285 lock_user_struct(target_schp, arg2, 1);
5cd4393b 3286 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3287 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 3288 ret = get_errno(sched_setparam(arg1, &schp));
3289 }
3290 break;
31e31b8a 3291 case TARGET_NR_sched_getparam:
5cd4393b 3292 {
53a5960a 3293 struct sched_param *target_schp;
5cd4393b
FB		 3294 struct sched_param schp;
3295 ret = get_errno(sched_getparam(arg1, &schp));
3296 if (!is_error(ret)) {
53a5960a 3297 lock_user_struct(target_schp, arg2, 0);
5cd4393b 3298 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 3299 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 3300 }
3301 }
3302 break;
31e31b8a 3303 case TARGET_NR_sched_setscheduler:
5cd4393b 3304 {
53a5960a 3305 struct sched_param *target_schp;
5cd4393b 3306 struct sched_param schp;
53a5960a 3307 lock_user_struct(target_schp, arg3, 1);
5cd4393b 3308 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3309 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 3310 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3311 }
3312 break;
31e31b8a 3313 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 3314 ret = get_errno(sched_getscheduler(arg1));
3315 break;
31e31b8a
FB		 3316 case TARGET_NR_sched_yield:
3317 ret = get_errno(sched_yield());
3318 break;
3319 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 3320 ret = get_errno(sched_get_priority_max(arg1));
3321 break;
31e31b8a 3322 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 3323 ret = get_errno(sched_get_priority_min(arg1));
3324 break;
31e31b8a 3325 case TARGET_NR_sched_rr_get_interval:
5cd4393b 3326 {
5cd4393b
FB		 3327 struct timespec ts;
3328 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3329 if (!is_error(ret)) {
53a5960a 3330 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 3331 }
3332 }
3333 break;
31e31b8a 3334 case TARGET_NR_nanosleep:
1b6b029e 3335 {
1b6b029e 3336 struct timespec req, rem;
53a5960a 3337 target_to_host_timespec(&req, arg1);
1b6b029e 3338 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 3339 if (is_error(ret) && arg2) {
3340 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 3341 }
3342 }
3343 break;
31e31b8a 3344 case TARGET_NR_query_module:
5cd4393b 3345 goto unimplemented;
31e31b8a 3346 case TARGET_NR_nfsservctl:
5cd4393b 3347 goto unimplemented;
31e31b8a 3348 case TARGET_NR_prctl:
5cd4393b 3349 goto unimplemented;
67867308 3350#ifdef TARGET_NR_pread
31e31b8a 3351 case TARGET_NR_pread:
53a5960a
PB		 3352 page_unprotect_range(arg2, arg3);
3353 p = lock_user(arg2, arg3, 0);
3354 ret = get_errno(pread(arg1, p, arg3, arg4));
3355 unlock_user(p, arg2, ret);
206f0fa7 3356 break;
31e31b8a 3357 case TARGET_NR_pwrite:
53a5960a
PB		 3358 p = lock_user(arg2, arg3, 1);
3359 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3360 unlock_user(p, arg2, 0);
206f0fa7 3361 break;
67867308 3362#endif
31e31b8a 3363 case TARGET_NR_getcwd:
53a5960a
PB		 3364 p = lock_user(arg1, arg2, 0);
3365 ret = get_errno(sys_getcwd1(p, arg2));
3366 unlock_user(p, arg1, ret);
31e31b8a
FB		 3367 break;
3368 case TARGET_NR_capget:
5cd4393b 3369 goto unimplemented;
31e31b8a 3370 case TARGET_NR_capset:
5cd4393b 3371 goto unimplemented;
31e31b8a 3372 case TARGET_NR_sigaltstack:
5cd4393b 3373 goto unimplemented;
31e31b8a 3374 case TARGET_NR_sendfile:
5cd4393b 3375 goto unimplemented;
ebc05488 3376#ifdef TARGET_NR_getpmsg
31e31b8a 3377 case TARGET_NR_getpmsg:
5cd4393b 3378 goto unimplemented;
ebc05488
FB		 3379#endif
3380#ifdef TARGET_NR_putpmsg
31e31b8a 3381 case TARGET_NR_putpmsg:
5cd4393b 3382 goto unimplemented;
ebc05488 3383#endif
048f6b4d 3384#ifdef TARGET_NR_vfork
31e31b8a 3385 case TARGET_NR_vfork:
1b6b029e 3386 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 3387 break;
048f6b4d 3388#endif
ebc05488 3389#ifdef TARGET_NR_ugetrlimit
31e31b8a 3390 case TARGET_NR_ugetrlimit:
728584be
FB		 3391 {
3392 struct rlimit rlim;
3393 ret = get_errno(getrlimit(arg1, &rlim));
3394 if (!is_error(ret)) {
53a5960a
PB		 3395 struct target_rlimit *target_rlim;
3396 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 3397 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3398 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 3399 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 3400 }
3401 break;
3402 }
ebc05488 3403#endif
a315a145 3404#ifdef TARGET_NR_truncate64
31e31b8a 3405 case TARGET_NR_truncate64:
53a5960a
PB		 3406 p = lock_user_string(arg1);
3407 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3408 unlock_user(p, arg1, 0);
667f38b1 3409 break;
a315a145
FB		 3410#endif
3411#ifdef TARGET_NR_ftruncate64
31e31b8a 3412 case TARGET_NR_ftruncate64:
ce4defa0 3413 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 3414 break;
a315a145
FB		 3415#endif
3416#ifdef TARGET_NR_stat64
31e31b8a 3417 case TARGET_NR_stat64:
53a5960a
PB		 3418 p = lock_user_string(arg1);
3419 ret = get_errno(stat(path(p), &st));
3420 unlock_user(p, arg1, 0);
60cd49d5 3421 goto do_stat64;
a315a145
FB		 3422#endif
3423#ifdef TARGET_NR_lstat64
31e31b8a 3424 case TARGET_NR_lstat64:
53a5960a
PB		 3425 p = lock_user_string(arg1);
3426 ret = get_errno(lstat(path(p), &st));
3427 unlock_user(p, arg1, 0);
60cd49d5 3428 goto do_stat64;
a315a145
FB		 3429#endif
3430#ifdef TARGET_NR_fstat64
31e31b8a 3431 case TARGET_NR_fstat64:
60cd49d5
FB		 3432 {
3433 ret = get_errno(fstat(arg1, &st));
3434 do_stat64:
3435 if (!is_error(ret)) {
ce4defa0
PB		 3436#ifdef TARGET_ARM
3437 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 3438 struct target_eabi_stat64 *target_st;
3439 lock_user_struct(target_st, arg2, 1);
ce4defa0 3440 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 3441 /* put_user is probably wrong. */
ce4defa0
PB		 3442 put_user(st.st_dev, &target_st->st_dev);
3443 put_user(st.st_ino, &target_st->st_ino);
3444#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3445 put_user(st.st_ino, &target_st->__st_ino);
3446#endif
3447 put_user(st.st_mode, &target_st->st_mode);
3448 put_user(st.st_nlink, &target_st->st_nlink);
3449 put_user(st.st_uid, &target_st->st_uid);
3450 put_user(st.st_gid, &target_st->st_gid);
3451 put_user(st.st_rdev, &target_st->st_rdev);
3452 /* XXX: better use of kernel struct */
3453 put_user(st.st_size, &target_st->st_size);
3454 put_user(st.st_blksize, &target_st->st_blksize);
3455 put_user(st.st_blocks, &target_st->st_blocks);
3456 put_user(st.st_atime, &target_st->target_st_atime);
3457 put_user(st.st_mtime, &target_st->target_st_mtime);
3458 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3459 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 3460 } else
3461#endif
3462 {
53a5960a
PB		 3463 struct target_stat64 *target_st;
3464 lock_user_struct(target_st, arg2, 1);
ce4defa0 3465 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 3466 /* ??? put_user is probably wrong. */
ce4defa0
PB		 3467 put_user(st.st_dev, &target_st->st_dev);
3468 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 3469#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 3470 put_user(st.st_ino, &target_st->__st_ino);
3471#endif
3472 put_user(st.st_mode, &target_st->st_mode);
3473 put_user(st.st_nlink, &target_st->st_nlink);
3474 put_user(st.st_uid, &target_st->st_uid);
3475 put_user(st.st_gid, &target_st->st_gid);
3476 put_user(st.st_rdev, &target_st->st_rdev);
3477 /* XXX: better use of kernel struct */
3478 put_user(st.st_size, &target_st->st_size);
3479 put_user(st.st_blksize, &target_st->st_blksize);
3480 put_user(st.st_blocks, &target_st->st_blocks);
3481 put_user(st.st_atime, &target_st->target_st_atime);
3482 put_user(st.st_mtime, &target_st->target_st_mtime);
3483 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 3484 unlock_user_struct(target_st, arg2, 0);
ce4defa0 3485 }
60cd49d5
FB		 3486 }
3487 }
3488 break;
a315a145 3489#endif
67867308
FB		 3490#ifdef USE_UID16
3491 case TARGET_NR_lchown:
53a5960a
PB		 3492 p = lock_user_string(arg1);
3493 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
3494 unlock_user(p, arg1, 0);
67867308
FB		 3495 break;
3496 case TARGET_NR_getuid:
3497 ret = get_errno(high2lowuid(getuid()));
3498 break;
3499 case TARGET_NR_getgid:
3500 ret = get_errno(high2lowgid(getgid()));
3501 break;
3502 case TARGET_NR_geteuid:
3503 ret = get_errno(high2lowuid(geteuid()));
3504 break;
3505 case TARGET_NR_getegid:
3506 ret = get_errno(high2lowgid(getegid()));
3507 break;
3508 case TARGET_NR_setreuid:
3509 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
3510 break;
3511 case TARGET_NR_setregid:
3512 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
3513 break;
3514 case TARGET_NR_getgroups:
3515 {
3516 int gidsetsize = arg1;
53a5960a 3517 uint16_t *target_grouplist;
67867308
FB		 3518 gid_t *grouplist;
3519 int i;
3520
3521 grouplist = alloca(gidsetsize * sizeof(gid_t));
3522 ret = get_errno(getgroups(gidsetsize, grouplist));
3523 if (!is_error(ret)) {
53a5960a 3524 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 3525 for(i = 0;i < gidsetsize; i++)
3526 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 3527 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 3528 }
3529 }
3530 break;
3531 case TARGET_NR_setgroups:
3532 {
3533 int gidsetsize = arg1;
53a5960a 3534 uint16_t *target_grouplist;
67867308
FB		 3535 gid_t *grouplist;
3536 int i;
3537
3538 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 3539 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 3540 for(i = 0;i < gidsetsize; i++)
3541 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 3542 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 3543 ret = get_errno(setgroups(gidsetsize, grouplist));
3544 }
3545 break;
3546 case TARGET_NR_fchown:
3547 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
3548 break;
3549#ifdef TARGET_NR_setresuid
3550 case TARGET_NR_setresuid:
3551 ret = get_errno(setresuid(low2highuid(arg1),
3552 low2highuid(arg2),
3553 low2highuid(arg3)));
3554 break;
3555#endif
3556#ifdef TARGET_NR_getresuid
3557 case TARGET_NR_getresuid:
3558 {
53a5960a 3559 uid_t ruid, euid, suid;
67867308
FB		 3560 ret = get_errno(getresuid(&ruid, &euid, &suid));
3561 if (!is_error(ret)) {
53a5960a
PB		 3562 tput16(arg1, tswap16(high2lowuid(ruid)));
3563 tput16(arg2, tswap16(high2lowuid(euid)));
3564 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 3565 }
3566 }
3567 break;
3568#endif
3569#ifdef TARGET_NR_getresgid
3570 case TARGET_NR_setresgid:
3571 ret = get_errno(setresgid(low2highgid(arg1),
3572 low2highgid(arg2),
3573 low2highgid(arg3)));
3574 break;
3575#endif
3576#ifdef TARGET_NR_getresgid
3577 case TARGET_NR_getresgid:
3578 {
53a5960a 3579 gid_t rgid, egid, sgid;
67867308
FB		 3580 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3581 if (!is_error(ret)) {
53a5960a
PB		 3582 tput16(arg1, tswap16(high2lowgid(rgid)));
3583 tput16(arg2, tswap16(high2lowgid(egid)));
3584 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 3585 }
3586 }
3587 break;
3588#endif
3589 case TARGET_NR_chown:
53a5960a
PB		 3590 p = lock_user_string(arg1);
3591 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
3592 unlock_user(p, arg1, 0);
67867308
FB		 3593 break;
3594 case TARGET_NR_setuid:
3595 ret = get_errno(setuid(low2highuid(arg1)));
3596 break;
3597 case TARGET_NR_setgid:
3598 ret = get_errno(setgid(low2highgid(arg1)));
3599 break;
3600 case TARGET_NR_setfsuid:
3601 ret = get_errno(setfsuid(arg1));
3602 break;
3603 case TARGET_NR_setfsgid:
3604 ret = get_errno(setfsgid(arg1));
3605 break;
3606#endif /* USE_UID16 */
3607
a315a145 3608#ifdef TARGET_NR_lchown32
31e31b8a 3609 case TARGET_NR_lchown32:
53a5960a
PB		 3610 p = lock_user_string(arg1);
3611 ret = get_errno(lchown(p, arg2, arg3));
3612 unlock_user(p, arg1, 0);
b03c60f3 3613 break;
a315a145
FB		 3614#endif
3615#ifdef TARGET_NR_getuid32
31e31b8a 3616 case TARGET_NR_getuid32:
b03c60f3
FB		 3617 ret = get_errno(getuid());
3618 break;
a315a145
FB		 3619#endif
3620#ifdef TARGET_NR_getgid32
31e31b8a 3621 case TARGET_NR_getgid32:
b03c60f3
FB		 3622 ret = get_errno(getgid());
3623 break;
a315a145
FB		 3624#endif
3625#ifdef TARGET_NR_geteuid32
31e31b8a 3626 case TARGET_NR_geteuid32:
b03c60f3
FB		 3627 ret = get_errno(geteuid());
3628 break;
a315a145
FB		 3629#endif
3630#ifdef TARGET_NR_getegid32
31e31b8a 3631 case TARGET_NR_getegid32:
b03c60f3
FB		 3632 ret = get_errno(getegid());
3633 break;
a315a145
FB		 3634#endif
3635#ifdef TARGET_NR_setreuid32
31e31b8a 3636 case TARGET_NR_setreuid32:
b03c60f3
FB		 3637 ret = get_errno(setreuid(arg1, arg2));
3638 break;
a315a145
FB		 3639#endif
3640#ifdef TARGET_NR_setregid32
31e31b8a 3641 case TARGET_NR_setregid32:
b03c60f3
FB		 3642 ret = get_errno(setregid(arg1, arg2));
3643 break;
a315a145
FB		 3644#endif
3645#ifdef TARGET_NR_getgroups32
31e31b8a 3646 case TARGET_NR_getgroups32:
99c475ab
FB		 3647 {
3648 int gidsetsize = arg1;
53a5960a 3649 uint32_t *target_grouplist;
99c475ab
FB		 3650 gid_t *grouplist;
3651 int i;
3652
3653 grouplist = alloca(gidsetsize * sizeof(gid_t));
3654 ret = get_errno(getgroups(gidsetsize, grouplist));
3655 if (!is_error(ret)) {
53a5960a 3656 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 3657 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3658 target_grouplist[i] = tswap32(grouplist[i]);
3659 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 3660 }
3661 }
3662 break;
a315a145
FB		 3663#endif
3664#ifdef TARGET_NR_setgroups32
31e31b8a 3665 case TARGET_NR_setgroups32:
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));
53a5960a 3673 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 3674 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 3675 grouplist[i] = tswap32(target_grouplist[i]);
3676 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 3677 ret = get_errno(setgroups(gidsetsize, grouplist));
3678 }
3679 break;
a315a145
FB		 3680#endif
3681#ifdef TARGET_NR_fchown32
31e31b8a 3682 case TARGET_NR_fchown32:
b03c60f3
FB		 3683 ret = get_errno(fchown(arg1, arg2, arg3));
3684 break;
a315a145
FB		 3685#endif
3686#ifdef TARGET_NR_setresuid32
31e31b8a 3687 case TARGET_NR_setresuid32:
b03c60f3
FB		 3688 ret = get_errno(setresuid(arg1, arg2, arg3));
3689 break;
a315a145
FB		 3690#endif
3691#ifdef TARGET_NR_getresuid32
31e31b8a 3692 case TARGET_NR_getresuid32:
b03c60f3 3693 {
53a5960a 3694 uid_t ruid, euid, suid;
b03c60f3
FB		 3695 ret = get_errno(getresuid(&ruid, &euid, &suid));
3696 if (!is_error(ret)) {
53a5960a
PB		 3697 tput32(arg1, tswap32(ruid));
3698 tput32(arg2, tswap32(euid));
3699 tput32(arg3, tswap32(suid));
b03c60f3
FB		 3700 }
3701 }
3702 break;
a315a145
FB		 3703#endif
3704#ifdef TARGET_NR_setresgid32
31e31b8a 3705 case TARGET_NR_setresgid32:
b03c60f3
FB		 3706 ret = get_errno(setresgid(arg1, arg2, arg3));
3707 break;
a315a145
FB		 3708#endif
3709#ifdef TARGET_NR_getresgid32
31e31b8a 3710 case TARGET_NR_getresgid32:
b03c60f3 3711 {
53a5960a 3712 gid_t rgid, egid, sgid;
b03c60f3
FB		 3713 ret = get_errno(getresgid(&rgid, &egid, &sgid));
3714 if (!is_error(ret)) {
53a5960a
PB		 3715 tput32(arg1, tswap32(rgid));
3716 tput32(arg2, tswap32(egid));
3717 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 3718 }
3719 }
3720 break;
a315a145
FB		 3721#endif
3722#ifdef TARGET_NR_chown32
31e31b8a 3723 case TARGET_NR_chown32:
53a5960a
PB		 3724 p = lock_user_string(arg1);
3725 ret = get_errno(chown(p, arg2, arg3));
3726 unlock_user(p, arg1, 0);
b03c60f3 3727 break;
a315a145
FB		 3728#endif
3729#ifdef TARGET_NR_setuid32
31e31b8a 3730 case TARGET_NR_setuid32:
b03c60f3
FB		 3731 ret = get_errno(setuid(arg1));
3732 break;
a315a145
FB		 3733#endif
3734#ifdef TARGET_NR_setgid32
31e31b8a 3735 case TARGET_NR_setgid32:
b03c60f3
FB		 3736 ret = get_errno(setgid(arg1));
3737 break;
a315a145
FB		 3738#endif
3739#ifdef TARGET_NR_setfsuid32
31e31b8a 3740 case TARGET_NR_setfsuid32:
b03c60f3
FB		 3741 ret = get_errno(setfsuid(arg1));
3742 break;
a315a145
FB		 3743#endif
3744#ifdef TARGET_NR_setfsgid32
31e31b8a 3745 case TARGET_NR_setfsgid32:
b03c60f3
FB		 3746 ret = get_errno(setfsgid(arg1));
3747 break;
a315a145 3748#endif
67867308 3749
31e31b8a 3750 case TARGET_NR_pivot_root:
b03c60f3 3751 goto unimplemented;
ffa65c3b 3752#ifdef TARGET_NR_mincore
31e31b8a 3753 case TARGET_NR_mincore:
b03c60f3 3754 goto unimplemented;
ffa65c3b
FB		 3755#endif
3756#ifdef TARGET_NR_madvise
31e31b8a 3757 case TARGET_NR_madvise:
24836689
PB		 3758 /* A straight passthrough may not be safe because qemu sometimes
3759 turns private flie-backed mappings into anonymous mappings.
3760 This will break MADV_DONTNEED.
3761 This is a hint, so ignoring and returning success is ok. */
3762 ret = get_errno(0);
3763 break;
ffa65c3b 3764#endif
60cd49d5 3765#if TARGET_LONG_BITS == 32
31e31b8a 3766 case TARGET_NR_fcntl64:
77e4672d
FB		 3767 {
3768 struct flock64 fl;
53a5960a 3769 struct target_flock64 *target_fl;
ce4defa0 3770#ifdef TARGET_ARM
53a5960a 3771 struct target_eabi_flock64 *target_efl;
ce4defa0 3772#endif
77e4672d 3773
60cd49d5
FB		 3774 switch(arg2) {
3775 case F_GETLK64:
77e4672d
FB		 3776 ret = get_errno(fcntl(arg1, arg2, &fl));
3777 if (ret == 0) {
ce4defa0
PB		 3778#ifdef TARGET_ARM
3779 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 3780 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 3781 target_efl->l_type = tswap16(fl.l_type);
3782 target_efl->l_whence = tswap16(fl.l_whence);
3783 target_efl->l_start = tswap64(fl.l_start);
3784 target_efl->l_len = tswap64(fl.l_len);
3785 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 3786 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 3787 } else
3788#endif
3789 {
53a5960a 3790 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 3791 target_fl->l_type = tswap16(fl.l_type);
3792 target_fl->l_whence = tswap16(fl.l_whence);
3793 target_fl->l_start = tswap64(fl.l_start);
3794 target_fl->l_len = tswap64(fl.l_len);
3795 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 3796 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 3797 }
77e4672d
FB		 3798 }
3799 break;
3800
60cd49d5
FB		 3801 case F_SETLK64:
3802 case F_SETLKW64:
ce4defa0
PB		 3803#ifdef TARGET_ARM
3804 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 3805 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 3806 fl.l_type = tswap16(target_efl->l_type);
3807 fl.l_whence = tswap16(target_efl->l_whence);
3808 fl.l_start = tswap64(target_efl->l_start);
3809 fl.l_len = tswap64(target_efl->l_len);
3810 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 3811 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 3812 } else
3813#endif
3814 {
53a5960a 3815 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 3816 fl.l_type = tswap16(target_fl->l_type);
3817 fl.l_whence = tswap16(target_fl->l_whence);
3818 fl.l_start = tswap64(target_fl->l_start);
3819 fl.l_len = tswap64(target_fl->l_len);
3820 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 3821 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 3822 }
77e4672d
FB		 3823 ret = get_errno(fcntl(arg1, arg2, &fl));
3824 break;
60cd49d5 3825 default:
7775e9ec 3826 ret = get_errno(do_fcntl(arg1, arg2, arg3));
60cd49d5
FB		 3827 break;
3828 }
77e4672d
FB		 3829 break;
3830 }
60cd49d5 3831#endif
7d600c80
TS		 3832#ifdef TARGET_NR_cacheflush
3833 case TARGET_NR_cacheflush:
3834 /* self-modifying code is handled automatically, so nothing needed */
3835 ret = 0;
3836 break;
3837#endif
ebc05488 3838#ifdef TARGET_NR_security
31e31b8a
FB		 3839 case TARGET_NR_security:
3840 goto unimplemented;
c573ff67
FB		 3841#endif
3842#ifdef TARGET_NR_getpagesize
3843 case TARGET_NR_getpagesize:
3844 ret = TARGET_PAGE_SIZE;
3845 break;
ebc05488 3846#endif
31e31b8a
FB		 3847 case TARGET_NR_gettid:
3848 ret = get_errno(gettid());
3849 break;
3850 case TARGET_NR_readahead:
5cd4393b 3851 goto unimplemented;
ebc05488 3852#ifdef TARGET_NR_setxattr
31e31b8a
FB		 3853 case TARGET_NR_setxattr:
3854 case TARGET_NR_lsetxattr:
3855 case TARGET_NR_fsetxattr:
3856 case TARGET_NR_getxattr:
3857 case TARGET_NR_lgetxattr:
3858 case TARGET_NR_fgetxattr:
3859 case TARGET_NR_listxattr:
3860 case TARGET_NR_llistxattr:
3861 case TARGET_NR_flistxattr:
3862 case TARGET_NR_removexattr:
3863 case TARGET_NR_lremovexattr:
3864 case TARGET_NR_fremovexattr:
5cd4393b 3865 goto unimplemented_nowarn;
ebc05488
FB		 3866#endif
3867#ifdef TARGET_NR_set_thread_area
5cd4393b
FB		 3868 case TARGET_NR_set_thread_area:
3869 case TARGET_NR_get_thread_area:
3870 goto unimplemented_nowarn;
48dc41eb
FB		 3871#endif
3872#ifdef TARGET_NR_getdomainname
3873 case TARGET_NR_getdomainname:
3874 goto unimplemented_nowarn;
ebc05488 3875#endif
31e31b8a
FB		 3876 default:
3877 unimplemented:
5cd4393b 3878 gemu_log("qemu: Unsupported syscall: %d\n", num);
48dc41eb 3879#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_set_thread_area) || defined(TARGET_NR_getdomainname)
5cd4393b 3880 unimplemented_nowarn:
80a9d035 3881#endif
31e31b8a
FB		 3882 ret = -ENOSYS;
3883 break;
3884 }
3885 fail:
c573ff67
FB		 3886#ifdef DEBUG
3887 gemu_log(" = %ld\n", ret);
3888#endif
31e31b8a
FB		 3889 return ret;
3890}
3891
Qemu copy for testing