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Semaphore structure mapping, by Stuart Anderson.
[mirror_qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
31e31b8a 30#include <sys/types.h>
d08d3bb8
TS		 31#include <sys/ipc.h>
32#include <sys/msg.h>
31e31b8a
FB		 33#include <sys/wait.h>
34#include <sys/time.h>
35#include <sys/stat.h>
36#include <sys/mount.h>
39b9aae1 37#include <sys/prctl.h>
31e31b8a
FB		 38#include <sys/resource.h>
39#include <sys/mman.h>
40#include <sys/swap.h>
41#include <signal.h>
42#include <sched.h>
43#include <sys/socket.h>
44#include <sys/uio.h>
9de5e440 45#include <sys/poll.h>
32f36bce 46#include <sys/times.h>
8853f86e 47#include <sys/shm.h>
fa294816 48#include <sys/sem.h>
56c8f68f 49#include <sys/statfs.h>
ebc05488 50#include <utime.h>
a5448a7d 51#include <sys/sysinfo.h>
72f03900 52//#include <sys/user.h>
8853f86e 53#include <netinet/ip.h>
7854b056 54#include <netinet/tcp.h>
31e31b8a
FB		 55
56#define termios host_termios
57#define winsize host_winsize
58#define termio host_termio
04369ff2
FB		 59#define sgttyb host_sgttyb /* same as target */
60#define tchars host_tchars /* same as target */
61#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 62
63#include <linux/termios.h>
64#include <linux/unistd.h>
65#include <linux/utsname.h>
66#include <linux/cdrom.h>
67#include <linux/hdreg.h>
68#include <linux/soundcard.h>
dab2ed99 69#include <linux/dirent.h>
19b84f3c 70#include <linux/kd.h>
31e31b8a 71
3ef693a0 72#include "qemu.h"
31e31b8a 73
72f03900 74//#define DEBUG
31e31b8a 75
e6e5906b 76#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_SPARC) \
56e0794a 77 || defined(TARGET_M68K) || defined(TARGET_SH4)
67867308
FB		 78/* 16 bit uid wrappers emulation */
79#define USE_UID16
80#endif
81
1a9353d2
FB		 82//#include <linux/msdos_fs.h>
83#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
84#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
85
70a194b9 86
70a194b9
FB		 87#undef _syscall0
88#undef _syscall1
89#undef _syscall2
90#undef _syscall3
91#undef _syscall4
92#undef _syscall5
83fcb515 93#undef _syscall6
70a194b9 94
83fcb515
FB		 95#define _syscall0(type,name) \
96type name (void) \
97{ \
98 return syscall(__NR_##name); \
99}
70a194b9 100
83fcb515
FB		 101#define _syscall1(type,name,type1,arg1) \
102type name (type1 arg1) \
103{ \
104 return syscall(__NR_##name, arg1); \
70a194b9
FB		 105}
106
83fcb515
FB		 107#define _syscall2(type,name,type1,arg1,type2,arg2) \
108type name (type1 arg1,type2 arg2) \
109{ \
110 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 111}
112
83fcb515
FB		 113#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
114type name (type1 arg1,type2 arg2,type3 arg3) \
115{ \
116 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 117}
118
83fcb515
FB		 119#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
120type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
121{ \
122 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 123}
124
83fcb515
FB		 125#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
126 type5,arg5) \
127type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
128{ \
129 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 130}
131
83fcb515
FB		 132
133#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
134 type5,arg5,type6,arg6) \
135type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
136{ \
137 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 138}
83fcb515 139
70a194b9 140
31e31b8a 141#define __NR_sys_uname __NR_uname
72f03900 142#define __NR_sys_getcwd1 __NR_getcwd
72f03900 143#define __NR_sys_getdents __NR_getdents
dab2ed99 144#define __NR_sys_getdents64 __NR_getdents64
66fb9763 145#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
7494b0f9 146#define __NR_sys_syslog __NR_syslog
31e31b8a 147
bc51c5c9 148#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 149#define __NR__llseek __NR_lseek
150#endif
151
72f03900 152#ifdef __NR_gettid
31e31b8a 153_syscall0(int, gettid)
72f03900
FB		 154#else
155static int gettid(void) {
156 return -ENOSYS;
157}
158#endif
31e31b8a 159_syscall1(int,sys_uname,struct new_utsname *,buf)
72f03900
FB		 160_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
161_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
dab2ed99 162_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
31e31b8a
FB		 163_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
164 loff_t *, res, uint, wh);
66fb9763 165_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
7494b0f9 166_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
ec86b0fb
FB		 167#ifdef __NR_exit_group
168_syscall1(int,exit_group,int,error_code)
169#endif
6f5b89a0
TS		 170#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
171_syscall1(int,set_tid_address,int *,tidptr)
172#endif
66fb9763
FB		 173
174extern int personality(int);
9de5e440
FB		 175extern int flock(int, int);
176extern int setfsuid(int);
177extern int setfsgid(int);
5cd4393b
FB		 178extern int setresuid(uid_t, uid_t, uid_t);
179extern int getresuid(uid_t *, uid_t *, uid_t *);
180extern int setresgid(gid_t, gid_t, gid_t);
181extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 182extern int setgroups(int, gid_t *);
31e31b8a 183
637947f1
TS		 184/*
185 * This list is the union of errno values overidden in asm-<arch>/errno.h
186 * minus the errnos that are not actually generic to all archs.
187 */
188static uint16_t host_to_target_errno_table[1200] = {
189 [EIDRM] = TARGET_EIDRM,
190 [ECHRNG] = TARGET_ECHRNG,
191 [EL2NSYNC] = TARGET_EL2NSYNC,
192 [EL3HLT] = TARGET_EL3HLT,
193 [EL3RST] = TARGET_EL3RST,
194 [ELNRNG] = TARGET_ELNRNG,
195 [EUNATCH] = TARGET_EUNATCH,
196 [ENOCSI] = TARGET_ENOCSI,
197 [EL2HLT] = TARGET_EL2HLT,
198 [EDEADLK] = TARGET_EDEADLK,
199 [ENOLCK] = TARGET_ENOLCK,
200 [EBADE] = TARGET_EBADE,
201 [EBADR] = TARGET_EBADR,
202 [EXFULL] = TARGET_EXFULL,
203 [ENOANO] = TARGET_ENOANO,
204 [EBADRQC] = TARGET_EBADRQC,
205 [EBADSLT] = TARGET_EBADSLT,
206 [EBFONT] = TARGET_EBFONT,
207 [ENOSTR] = TARGET_ENOSTR,
208 [ENODATA] = TARGET_ENODATA,
209 [ETIME] = TARGET_ETIME,
210 [ENOSR] = TARGET_ENOSR,
211 [ENONET] = TARGET_ENONET,
212 [ENOPKG] = TARGET_ENOPKG,
213 [EREMOTE] = TARGET_EREMOTE,
214 [ENOLINK] = TARGET_ENOLINK,
215 [EADV] = TARGET_EADV,
216 [ESRMNT] = TARGET_ESRMNT,
217 [ECOMM] = TARGET_ECOMM,
218 [EPROTO] = TARGET_EPROTO,
219 [EDOTDOT] = TARGET_EDOTDOT,
220 [EMULTIHOP] = TARGET_EMULTIHOP,
221 [EBADMSG] = TARGET_EBADMSG,
222 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
223 [EOVERFLOW] = TARGET_EOVERFLOW,
224 [ENOTUNIQ] = TARGET_ENOTUNIQ,
225 [EBADFD] = TARGET_EBADFD,
226 [EREMCHG] = TARGET_EREMCHG,
227 [ELIBACC] = TARGET_ELIBACC,
228 [ELIBBAD] = TARGET_ELIBBAD,
229 [ELIBSCN] = TARGET_ELIBSCN,
230 [ELIBMAX] = TARGET_ELIBMAX,
231 [ELIBEXEC] = TARGET_ELIBEXEC,
232 [EILSEQ] = TARGET_EILSEQ,
233 [ENOSYS] = TARGET_ENOSYS,
234 [ELOOP] = TARGET_ELOOP,
235 [ERESTART] = TARGET_ERESTART,
236 [ESTRPIPE] = TARGET_ESTRPIPE,
237 [ENOTEMPTY] = TARGET_ENOTEMPTY,
238 [EUSERS] = TARGET_EUSERS,
239 [ENOTSOCK] = TARGET_ENOTSOCK,
240 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
241 [EMSGSIZE] = TARGET_EMSGSIZE,
242 [EPROTOTYPE] = TARGET_EPROTOTYPE,
243 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
244 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
245 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
246 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
247 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
248 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
249 [EADDRINUSE] = TARGET_EADDRINUSE,
250 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
251 [ENETDOWN] = TARGET_ENETDOWN,
252 [ENETUNREACH] = TARGET_ENETUNREACH,
253 [ENETRESET] = TARGET_ENETRESET,
254 [ECONNABORTED] = TARGET_ECONNABORTED,
255 [ECONNRESET] = TARGET_ECONNRESET,
256 [ENOBUFS] = TARGET_ENOBUFS,
257 [EISCONN] = TARGET_EISCONN,
258 [ENOTCONN] = TARGET_ENOTCONN,
259 [EUCLEAN] = TARGET_EUCLEAN,
260 [ENOTNAM] = TARGET_ENOTNAM,
261 [ENAVAIL] = TARGET_ENAVAIL,
262 [EISNAM] = TARGET_EISNAM,
263 [EREMOTEIO] = TARGET_EREMOTEIO,
264 [ESHUTDOWN] = TARGET_ESHUTDOWN,
265 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
266 [ETIMEDOUT] = TARGET_ETIMEDOUT,
267 [ECONNREFUSED] = TARGET_ECONNREFUSED,
268 [EHOSTDOWN] = TARGET_EHOSTDOWN,
269 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
270 [EALREADY] = TARGET_EALREADY,
271 [EINPROGRESS] = TARGET_EINPROGRESS,
272 [ESTALE] = TARGET_ESTALE,
273 [ECANCELED] = TARGET_ECANCELED,
274 [ENOMEDIUM] = TARGET_ENOMEDIUM,
275 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
276 [ENOKEY] = TARGET_ENOKEY,
277 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
278 [EKEYREVOKED] = TARGET_EKEYREVOKED,
279 [EKEYREJECTED] = TARGET_EKEYREJECTED,
280 [EOWNERDEAD] = TARGET_EOWNERDEAD,
281 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
282 };
283
284static inline int host_to_target_errno(int err)
285{
286 if(host_to_target_errno_table[err])
287 return host_to_target_errno_table[err];
288 return err;
289}
290
31e31b8a
FB		 291static inline long get_errno(long ret)
292{
293 if (ret == -1)
637947f1 294 return -host_to_target_errno(errno);
31e31b8a
FB		 295 else
296 return ret;
297}
298
299static inline int is_error(long ret)
300{
301 return (unsigned long)ret >= (unsigned long)(-4096);
302}
303
53a5960a
PB		 304static target_ulong target_brk;
305static target_ulong target_original_brk;
31e31b8a 306
53a5960a 307void target_set_brk(target_ulong new_brk)
31e31b8a 308{
53a5960a 309 target_original_brk = target_brk = new_brk;
31e31b8a
FB		 310}
311
53a5960a 312long do_brk(target_ulong new_brk)
31e31b8a 313{
53a5960a 314 target_ulong brk_page;
31e31b8a
FB		 315 long mapped_addr;
316 int new_alloc_size;
317
318 if (!new_brk)
53a5960a 319 return target_brk;
31e31b8a
FB		 320 if (new_brk < target_original_brk)
321 return -ENOMEM;
322
53a5960a 323 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 324
325 /* If the new brk is less than this, set it and we're done... */
326 if (new_brk < brk_page) {
327 target_brk = new_brk;
53a5960a 328 return target_brk;
31e31b8a
FB		 329 }
330
331 /* We need to allocate more memory after the brk... */
54936004 332 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
53a5960a 333 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 334 PROT_READ|PROT_WRITE,
335 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
31e31b8a
FB		 336 if (is_error(mapped_addr)) {
337 return mapped_addr;
338 } else {
339 target_brk = new_brk;
53a5960a 340 return target_brk;
31e31b8a
FB		 341 }
342}
343
344static inline fd_set *target_to_host_fds(fd_set *fds,
345 target_long *target_fds, int n)
346{
7854b056 347#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 348 return (fd_set *)target_fds;
349#else
350 int i, b;
351 if (target_fds) {
352 FD_ZERO(fds);
353 for(i = 0;i < n; i++) {
354 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
355 (i & (TARGET_LONG_BITS - 1))) & 1;
356 if (b)
357 FD_SET(i, fds);
358 }
359 return fds;
360 } else {
361 return NULL;
362 }
363#endif
364}
365
366static inline void host_to_target_fds(target_long *target_fds,
367 fd_set *fds, int n)
368{
7854b056 369#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 370 /* nothing to do */
371#else
372 int i, nw, j, k;
373 target_long v;
374
375 if (target_fds) {
8853f86e 376 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
31e31b8a
FB		 377 k = 0;
378 for(i = 0;i < nw; i++) {
379 v = 0;
380 for(j = 0; j < TARGET_LONG_BITS; j++) {
381 v |= ((FD_ISSET(k, fds) != 0) << j);
382 k++;
383 }
384 target_fds[i] = tswapl(v);
385 }
386 }
387#endif
388}
389
c596ed17
FB		 390#if defined(__alpha__)
391#define HOST_HZ 1024
392#else
393#define HOST_HZ 100
394#endif
395
396static inline long host_to_target_clock_t(long ticks)
397{
398#if HOST_HZ == TARGET_HZ
399 return ticks;
400#else
401 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
402#endif
403}
404
53a5960a 405static inline void host_to_target_rusage(target_ulong target_addr,
b409186b
FB		 406 const struct rusage *rusage)
407{
53a5960a
PB		 408 struct target_rusage *target_rusage;
409
410 lock_user_struct(target_rusage, target_addr, 0);
b409186b
FB		 411 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
412 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
413 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
414 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
415 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
416 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
417 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
418 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
419 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
420 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
421 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
422 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
423 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
424 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
425 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
426 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
427 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
428 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 429 unlock_user_struct(target_rusage, target_addr, 1);
b409186b
FB		 430}
431
53a5960a
PB		 432static inline void target_to_host_timeval(struct timeval *tv,
433 target_ulong target_addr)
31e31b8a 434{
53a5960a
PB		 435 struct target_timeval *target_tv;
436
437 lock_user_struct(target_tv, target_addr, 1);
66fb9763
FB		 438 tv->tv_sec = tswapl(target_tv->tv_sec);
439 tv->tv_usec = tswapl(target_tv->tv_usec);
53a5960a 440 unlock_user_struct(target_tv, target_addr, 0);
31e31b8a
FB		 441}
442
53a5960a 443static inline void host_to_target_timeval(target_ulong target_addr,
5cd4393b 444 const struct timeval *tv)
31e31b8a 445{
53a5960a
PB		 446 struct target_timeval *target_tv;
447
448 lock_user_struct(target_tv, target_addr, 0);
66fb9763
FB		 449 target_tv->tv_sec = tswapl(tv->tv_sec);
450 target_tv->tv_usec = tswapl(tv->tv_usec);
53a5960a 451 unlock_user_struct(target_tv, target_addr, 1);
31e31b8a
FB		 452}
453
454
455static long do_select(long n,
53a5960a
PB		 456 target_ulong rfd_p, target_ulong wfd_p,
457 target_ulong efd_p, target_ulong target_tv)
31e31b8a
FB		 458{
459 fd_set rfds, wfds, efds;
460 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
53a5960a 461 target_long *target_rfds, *target_wfds, *target_efds;
31e31b8a
FB		 462 struct timeval tv, *tv_ptr;
463 long ret;
53a5960a 464 int ok;
31e31b8a 465
53a5960a
PB		 466 if (rfd_p) {
467 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
468 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
469 } else {
470 target_rfds = NULL;
471 rfds_ptr = NULL;
472 }
473 if (wfd_p) {
474 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
475 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
476 } else {
477 target_wfds = NULL;
478 wfds_ptr = NULL;
479 }
480 if (efd_p) {
481 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
482 efds_ptr = target_to_host_fds(&efds, target_efds, n);
483 } else {
484 target_efds = NULL;
485 efds_ptr = NULL;
486 }
31e31b8a
FB		 487
488 if (target_tv) {
5cd4393b 489 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 490 tv_ptr = &tv;
491 } else {
492 tv_ptr = NULL;
493 }
494 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a
PB		 495 ok = !is_error(ret);
496
497 if (ok) {
31e31b8a
FB		 498 host_to_target_fds(target_rfds, rfds_ptr, n);
499 host_to_target_fds(target_wfds, wfds_ptr, n);
500 host_to_target_fds(target_efds, efds_ptr, n);
501
502 if (target_tv) {
5cd4393b 503 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 504 }
505 }
53a5960a
PB		 506 if (target_rfds)
507 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
508 if (target_wfds)
509 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
510 if (target_efds)
511 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
512
31e31b8a
FB		 513 return ret;
514}
515
7854b056 516static inline void target_to_host_sockaddr(struct sockaddr *addr,
53a5960a 517 target_ulong target_addr,
7854b056
FB		 518 socklen_t len)
519{
53a5960a
PB		 520 struct target_sockaddr *target_saddr;
521
522 target_saddr = lock_user(target_addr, len, 1);
523 memcpy(addr, target_saddr, len);
524 addr->sa_family = tswap16(target_saddr->sa_family);
525 unlock_user(target_saddr, target_addr, 0);
7854b056
FB		 526}
527
53a5960a 528static inline void host_to_target_sockaddr(target_ulong target_addr,
7854b056
FB		 529 struct sockaddr *addr,
530 socklen_t len)
531{
53a5960a
PB		 532 struct target_sockaddr *target_saddr;
533
534 target_saddr = lock_user(target_addr, len, 0);
535 memcpy(target_saddr, addr, len);
536 target_saddr->sa_family = tswap16(addr->sa_family);
537 unlock_user(target_saddr, target_addr, len);
7854b056
FB		 538}
539
53a5960a 540/* ??? Should this also swap msgh->name? */
7854b056
FB		 541static inline void target_to_host_cmsg(struct msghdr *msgh,
542 struct target_msghdr *target_msgh)
543{
544 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
545 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
546 socklen_t space = 0;
547
548 while (cmsg && target_cmsg) {
549 void *data = CMSG_DATA(cmsg);
550 void *target_data = TARGET_CMSG_DATA(target_cmsg);
551
552 int len = tswapl(target_cmsg->cmsg_len)
553 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
554
555 space += CMSG_SPACE(len);
556 if (space > msgh->msg_controllen) {
557 space -= CMSG_SPACE(len);
31febb71 558 gemu_log("Host cmsg overflow\n");
7854b056
FB		 559 break;
560 }
561
562 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
563 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
564 cmsg->cmsg_len = CMSG_LEN(len);
565
3532fa74 566 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 567 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
568 memcpy(data, target_data, len);
569 } else {
570 int *fd = (int *)data;
571 int *target_fd = (int *)target_data;
572 int i, numfds = len / sizeof(int);
573
574 for (i = 0; i < numfds; i++)
575 fd[i] = tswap32(target_fd[i]);
576 }
577
578 cmsg = CMSG_NXTHDR(msgh, cmsg);
579 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
580 }
581
582 msgh->msg_controllen = space;
583}
584
53a5960a 585/* ??? Should this also swap msgh->name? */
7854b056
FB		 586static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
587 struct msghdr *msgh)
588{
589 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
590 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
591 socklen_t space = 0;
592
593 while (cmsg && target_cmsg) {
594 void *data = CMSG_DATA(cmsg);
595 void *target_data = TARGET_CMSG_DATA(target_cmsg);
596
597 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
598
599 space += TARGET_CMSG_SPACE(len);
600 if (space > tswapl(target_msgh->msg_controllen)) {
601 space -= TARGET_CMSG_SPACE(len);
31febb71 602 gemu_log("Target cmsg overflow\n");
7854b056
FB		 603 break;
604 }
605
606 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
607 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
608 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
609
3532fa74 610 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 611 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
612 memcpy(target_data, data, len);
613 } else {
614 int *fd = (int *)data;
615 int *target_fd = (int *)target_data;
616 int i, numfds = len / sizeof(int);
617
618 for (i = 0; i < numfds; i++)
619 target_fd[i] = tswap32(fd[i]);
620 }
621
622 cmsg = CMSG_NXTHDR(msgh, cmsg);
623 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
624 }
625
626 msgh->msg_controllen = tswapl(space);
627}
628
629static long do_setsockopt(int sockfd, int level, int optname,
53a5960a 630 target_ulong optval, socklen_t optlen)
7854b056 631{
8853f86e
FB		 632 int val, ret;
633
634 switch(level) {
635 case SOL_TCP:
7854b056 636 /* TCP options all take an 'int' value. */
7854b056
FB		 637 if (optlen < sizeof(uint32_t))
638 return -EINVAL;
8853f86e 639
53a5960a 640 val = tget32(optval);
8853f86e
FB		 641 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
642 break;
643 case SOL_IP:
644 switch(optname) {
2efbe911
FB		 645 case IP_TOS:
646 case IP_TTL:
8853f86e 647 case IP_HDRINCL:
2efbe911
FB		 648 case IP_ROUTER_ALERT:
649 case IP_RECVOPTS:
650 case IP_RETOPTS:
651 case IP_PKTINFO:
652 case IP_MTU_DISCOVER:
653 case IP_RECVERR:
654 case IP_RECVTOS:
655#ifdef IP_FREEBIND
656 case IP_FREEBIND:
657#endif
658 case IP_MULTICAST_TTL:
659 case IP_MULTICAST_LOOP:
8853f86e
FB		 660 val = 0;
661 if (optlen >= sizeof(uint32_t)) {
53a5960a 662 val = tget32(optval);
8853f86e 663 } else if (optlen >= 1) {
53a5960a 664 val = tget8(optval);
8853f86e
FB		 665 }
666 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
667 break;
668 default:
669 goto unimplemented;
670 }
671 break;
3532fa74 672 case TARGET_SOL_SOCKET:
8853f86e
FB		 673 switch (optname) {
674 /* Options with 'int' argument. */
3532fa74
FB		 675 case TARGET_SO_DEBUG:
676 optname = SO_DEBUG;
677 break;
678 case TARGET_SO_REUSEADDR:
679 optname = SO_REUSEADDR;
680 break;
681 case TARGET_SO_TYPE:
682 optname = SO_TYPE;
683 break;
684 case TARGET_SO_ERROR:
685 optname = SO_ERROR;
686 break;
687 case TARGET_SO_DONTROUTE:
688 optname = SO_DONTROUTE;
689 break;
690 case TARGET_SO_BROADCAST:
691 optname = SO_BROADCAST;
692 break;
693 case TARGET_SO_SNDBUF:
694 optname = SO_SNDBUF;
695 break;
696 case TARGET_SO_RCVBUF:
697 optname = SO_RCVBUF;
698 break;
699 case TARGET_SO_KEEPALIVE:
700 optname = SO_KEEPALIVE;
701 break;
702 case TARGET_SO_OOBINLINE:
703 optname = SO_OOBINLINE;
704 break;
705 case TARGET_SO_NO_CHECK:
706 optname = SO_NO_CHECK;
707 break;
708 case TARGET_SO_PRIORITY:
709 optname = SO_PRIORITY;
710 break;
5e83e8e3 711#ifdef SO_BSDCOMPAT
3532fa74
FB		 712 case TARGET_SO_BSDCOMPAT:
713 optname = SO_BSDCOMPAT;
714 break;
5e83e8e3 715#endif
3532fa74
FB		 716 case TARGET_SO_PASSCRED:
717 optname = SO_PASSCRED;
718 break;
719 case TARGET_SO_TIMESTAMP:
720 optname = SO_TIMESTAMP;
721 break;
722 case TARGET_SO_RCVLOWAT:
723 optname = SO_RCVLOWAT;
724 break;
725 case TARGET_SO_RCVTIMEO:
726 optname = SO_RCVTIMEO;
727 break;
728 case TARGET_SO_SNDTIMEO:
729 optname = SO_SNDTIMEO;
730 break;
8853f86e
FB		 731 break;
732 default:
733 goto unimplemented;
734 }
3532fa74
FB		 735 if (optlen < sizeof(uint32_t))
736 return -EINVAL;
737
738 val = tget32(optval);
739 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 740 break;
7854b056 741 default:
8853f86e
FB		 742 unimplemented:
743 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
744 ret = -ENOSYS;
7854b056 745 }
8853f86e 746 return ret;
7854b056
FB		 747}
748
749static long do_getsockopt(int sockfd, int level, int optname,
53a5960a 750 target_ulong optval, target_ulong optlen)
7854b056 751{
8853f86e
FB		 752 int len, lv, val, ret;
753
754 switch(level) {
3532fa74
FB		 755 case TARGET_SOL_SOCKET:
756 level = SOL_SOCKET;
8853f86e 757 switch (optname) {
3532fa74
FB		 758 case TARGET_SO_LINGER:
759 case TARGET_SO_RCVTIMEO:
760 case TARGET_SO_SNDTIMEO:
761 case TARGET_SO_PEERCRED:
762 case TARGET_SO_PEERNAME:
8853f86e
FB		 763 /* These don't just return a single integer */
764 goto unimplemented;
765 default:
2efbe911
FB		 766 goto int_case;
767 }
768 break;
769 case SOL_TCP:
770 /* TCP options all take an 'int' value. */
771 int_case:
53a5960a 772 len = tget32(optlen);
2efbe911
FB		 773 if (len < 0)
774 return -EINVAL;
775 lv = sizeof(int);
776 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
777 if (ret < 0)
778 return ret;
779 val = tswap32(val);
780 if (len > lv)
781 len = lv;
53a5960a
PB		 782 if (len == 4)
783 tput32(optval, val);
784 else
785 tput8(optval, val);
786 tput32(optlen, len);
2efbe911
FB		 787 break;
788 case SOL_IP:
789 switch(optname) {
790 case IP_TOS:
791 case IP_TTL:
792 case IP_HDRINCL:
793 case IP_ROUTER_ALERT:
794 case IP_RECVOPTS:
795 case IP_RETOPTS:
796 case IP_PKTINFO:
797 case IP_MTU_DISCOVER:
798 case IP_RECVERR:
799 case IP_RECVTOS:
800#ifdef IP_FREEBIND
801 case IP_FREEBIND:
802#endif
803 case IP_MULTICAST_TTL:
804 case IP_MULTICAST_LOOP:
53a5960a 805 len = tget32(optlen);
8853f86e
FB		 806 if (len < 0)
807 return -EINVAL;
808 lv = sizeof(int);
809 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
810 if (ret < 0)
811 return ret;
2efbe911 812 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 813 len = 1;
53a5960a
PB		 814 tput32(optlen, len);
815 tput8(optval, val);
2efbe911 816 } else {
2efbe911
FB		 817 if (len > sizeof(int))
818 len = sizeof(int);
53a5960a
PB		 819 tput32(optlen, len);
820 tput32(optval, val);
2efbe911 821 }
8853f86e 822 break;
2efbe911
FB		 823 default:
824 goto unimplemented;
8853f86e
FB		 825 }
826 break;
827 default:
828 unimplemented:
829 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
830 level, optname);
831 ret = -ENOSYS;
832 break;
833 }
834 return ret;
7854b056
FB		 835}
836
53a5960a
PB		 837static void lock_iovec(struct iovec *vec, target_ulong target_addr,
838 int count, int copy)
839{
840 struct target_iovec *target_vec;
841 target_ulong base;
842 int i;
843
844 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
845 for(i = 0;i < count; i++) {
846 base = tswapl(target_vec[i].iov_base);
847 vec[i].iov_len = tswapl(target_vec[i].iov_len);
848 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
849 }
850 unlock_user (target_vec, target_addr, 0);
851}
852
853static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
854 int count, int copy)
855{
856 struct target_iovec *target_vec;
857 target_ulong base;
858 int i;
859
860 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
861 for(i = 0;i < count; i++) {
862 base = tswapl(target_vec[i].iov_base);
863 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
864 }
865 unlock_user (target_vec, target_addr, 0);
866}
867
3532fa74
FB		 868static long do_socket(int domain, int type, int protocol)
869{
870#if defined(TARGET_MIPS)
871 switch(type) {
872 case TARGET_SOCK_DGRAM:
873 type = SOCK_DGRAM;
874 break;
875 case TARGET_SOCK_STREAM:
876 type = SOCK_STREAM;
877 break;
878 case TARGET_SOCK_RAW:
879 type = SOCK_RAW;
880 break;
881 case TARGET_SOCK_RDM:
882 type = SOCK_RDM;
883 break;
884 case TARGET_SOCK_SEQPACKET:
885 type = SOCK_SEQPACKET;
886 break;
887 case TARGET_SOCK_PACKET:
888 type = SOCK_PACKET;
889 break;
890 }
891#endif
892 return get_errno(socket(domain, type, protocol));
893}
894
895static long do_bind(int sockfd, target_ulong target_addr,
896 socklen_t addrlen)
897{
898 void *addr = alloca(addrlen);
899
900 target_to_host_sockaddr(addr, target_addr, addrlen);
901 return get_errno(bind(sockfd, addr, addrlen));
902}
903
904static long do_connect(int sockfd, target_ulong target_addr,
905 socklen_t addrlen)
906{
907 void *addr = alloca(addrlen);
908
909 target_to_host_sockaddr(addr, target_addr, addrlen);
910 return get_errno(connect(sockfd, addr, addrlen));
911}
912
913static long do_sendrecvmsg(int fd, target_ulong target_msg,
914 int flags, int send)
915{
916 long ret;
917 struct target_msghdr *msgp;
918 struct msghdr msg;
919 int count;
920 struct iovec *vec;
921 target_ulong target_vec;
922
923 lock_user_struct(msgp, target_msg, 1);
924 if (msgp->msg_name) {
925 msg.msg_namelen = tswap32(msgp->msg_namelen);
926 msg.msg_name = alloca(msg.msg_namelen);
927 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
928 msg.msg_namelen);
929 } else {
930 msg.msg_name = NULL;
931 msg.msg_namelen = 0;
932 }
933 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
934 msg.msg_control = alloca(msg.msg_controllen);
935 msg.msg_flags = tswap32(msgp->msg_flags);
936
937 count = tswapl(msgp->msg_iovlen);
938 vec = alloca(count * sizeof(struct iovec));
939 target_vec = tswapl(msgp->msg_iov);
940 lock_iovec(vec, target_vec, count, send);
941 msg.msg_iovlen = count;
942 msg.msg_iov = vec;
943
944 if (send) {
945 target_to_host_cmsg(&msg, msgp);
946 ret = get_errno(sendmsg(fd, &msg, flags));
947 } else {
948 ret = get_errno(recvmsg(fd, &msg, flags));
949 if (!is_error(ret))
950 host_to_target_cmsg(msgp, &msg);
951 }
952 unlock_iovec(vec, target_vec, count, !send);
953 return ret;
954}
955
1be9e1dc
PB		 956static long do_accept(int fd, target_ulong target_addr,
957 target_ulong target_addrlen)
958{
959 socklen_t addrlen = tget32(target_addrlen);
197ea35a 960 void *addr = alloca(addrlen);
1be9e1dc
PB		 961 long ret;
962
963 ret = get_errno(accept(fd, addr, &addrlen));
964 if (!is_error(ret)) {
965 host_to_target_sockaddr(target_addr, addr, addrlen);
966 tput32(target_addrlen, addrlen);
967 }
968 return ret;
969}
970
971static long do_getpeername(int fd, target_ulong target_addr,
972 target_ulong target_addrlen)
973{
974 socklen_t addrlen = tget32(target_addrlen);
01c227fb 975 void *addr = alloca(addrlen);
1be9e1dc
PB		 976 long ret;
977
978 ret = get_errno(getpeername(fd, addr, &addrlen));
979 if (!is_error(ret)) {
980 host_to_target_sockaddr(target_addr, addr, addrlen);
981 tput32(target_addrlen, addrlen);
982 }
983 return ret;
984}
985
986static long do_getsockname(int fd, target_ulong target_addr,
987 target_ulong target_addrlen)
988{
989 socklen_t addrlen = tget32(target_addrlen);
01c227fb 990 void *addr = alloca(addrlen);
1be9e1dc
PB		 991 long ret;
992
993 ret = get_errno(getsockname(fd, addr, &addrlen));
994 if (!is_error(ret)) {
995 host_to_target_sockaddr(target_addr, addr, addrlen);
996 tput32(target_addrlen, addrlen);
997 }
998 return ret;
999}
1000
1001static long do_socketpair(int domain, int type, int protocol,
1002 target_ulong target_tab)
1003{
1004 int tab[2];
1005 long ret;
1006
1007 ret = get_errno(socketpair(domain, type, protocol, tab));
1008 if (!is_error(ret)) {
1009 tput32(target_tab, tab[0]);
1010 tput32(target_tab + 4, tab[1]);
1011 }
1012 return ret;
1013}
1014
1015static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
1016 target_ulong target_addr, socklen_t addrlen)
1017{
1018 void *addr;
1019 void *host_msg;
1020 long ret;
1021
1022 host_msg = lock_user(msg, len, 1);
1023 if (target_addr) {
1024 addr = alloca(addrlen);
1025 target_to_host_sockaddr(addr, target_addr, addrlen);
1026 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1027 } else {
1028 ret = get_errno(send(fd, host_msg, len, flags));
1029 }
1030 unlock_user(host_msg, msg, 0);
1031 return ret;
1032}
1033
1034static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
1035 target_ulong target_addr, target_ulong target_addrlen)
1036{
1037 socklen_t addrlen;
1038 void *addr;
1039 void *host_msg;
1040 long ret;
1041
1042 host_msg = lock_user(msg, len, 0);
1043 if (target_addr) {
1044 addrlen = tget32(target_addrlen);
1045 addr = alloca(addrlen);
1046 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1047 } else {
1048 addr = NULL; /* To keep compiler quiet. */
1049 ret = get_errno(recv(fd, host_msg, len, flags));
1050 }
1051 if (!is_error(ret)) {
1052 if (target_addr) {
1053 host_to_target_sockaddr(target_addr, addr, addrlen);
1054 tput32(target_addrlen, addrlen);
1055 }
1056 unlock_user(host_msg, msg, len);
1057 } else {
1058 unlock_user(host_msg, msg, 0);
1059 }
1060 return ret;
1061}
1062
85aa199a 1063static long do_socketcall(int num, target_ulong vptr)
31e31b8a
FB		 1064{
1065 long ret;
53a5960a 1066 const int n = sizeof(target_ulong);
31e31b8a
FB		 1067
1068 switch(num) {
1069 case SOCKOP_socket:
7854b056 1070 {
53a5960a
PB		 1071 int domain = tgetl(vptr);
1072 int type = tgetl(vptr + n);
1073 int protocol = tgetl(vptr + 2 * n);
3532fa74 1074 ret = do_socket(domain, type, protocol);
7854b056 1075 }
31e31b8a
FB		 1076 break;
1077 case SOCKOP_bind:
7854b056 1078 {
53a5960a
PB		 1079 int sockfd = tgetl(vptr);
1080 target_ulong target_addr = tgetl(vptr + n);
1081 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 1082 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1083 }
31e31b8a
FB		 1084 break;
1085 case SOCKOP_connect:
7854b056 1086 {
53a5960a
PB		 1087 int sockfd = tgetl(vptr);
1088 target_ulong target_addr = tgetl(vptr + n);
1089 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 1090 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1091 }
31e31b8a
FB		 1092 break;
1093 case SOCKOP_listen:
7854b056 1094 {
53a5960a
PB		 1095 int sockfd = tgetl(vptr);
1096 int backlog = tgetl(vptr + n);
7854b056
FB		 1097 ret = get_errno(listen(sockfd, backlog));
1098 }
31e31b8a
FB		 1099 break;
1100 case SOCKOP_accept:
1101 {
53a5960a
PB		 1102 int sockfd = tgetl(vptr);
1103 target_ulong target_addr = tgetl(vptr + n);
1104 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1105 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1106 }
1107 break;
1108 case SOCKOP_getsockname:
1109 {
53a5960a
PB		 1110 int sockfd = tgetl(vptr);
1111 target_ulong target_addr = tgetl(vptr + n);
1112 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1113 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1114 }
1115 break;
1116 case SOCKOP_getpeername:
1117 {
53a5960a
PB		 1118 int sockfd = tgetl(vptr);
1119 target_ulong target_addr = tgetl(vptr + n);
1120 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1121 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1122 }
1123 break;
1124 case SOCKOP_socketpair:
1125 {
53a5960a
PB		 1126 int domain = tgetl(vptr);
1127 int type = tgetl(vptr + n);
1128 int protocol = tgetl(vptr + 2 * n);
1be9e1dc
PB		 1129 target_ulong tab = tgetl(vptr + 3 * n);
1130 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1131 }
1132 break;
1133 case SOCKOP_send:
7854b056 1134 {
53a5960a
PB		 1135 int sockfd = tgetl(vptr);
1136 target_ulong msg = tgetl(vptr + n);
1137 size_t len = tgetl(vptr + 2 * n);
1138 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1139 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1140 }
31e31b8a
FB		 1141 break;
1142 case SOCKOP_recv:
7854b056 1143 {
53a5960a
PB		 1144 int sockfd = tgetl(vptr);
1145 target_ulong msg = tgetl(vptr + n);
1146 size_t len = tgetl(vptr + 2 * n);
1147 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1148 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1149 }
31e31b8a
FB		 1150 break;
1151 case SOCKOP_sendto:
7854b056 1152 {
53a5960a
PB		 1153 int sockfd = tgetl(vptr);
1154 target_ulong msg = tgetl(vptr + n);
1155 size_t len = tgetl(vptr + 2 * n);
1156 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1157 target_ulong addr = tgetl(vptr + 4 * n);
53a5960a 1158 socklen_t addrlen = tgetl(vptr + 5 * n);
1be9e1dc 1159 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1160 }
31e31b8a
FB		 1161 break;
1162 case SOCKOP_recvfrom:
1163 {
53a5960a
PB		 1164 int sockfd = tgetl(vptr);
1165 target_ulong msg = tgetl(vptr + n);
1166 size_t len = tgetl(vptr + 2 * n);
1167 int flags = tgetl(vptr + 3 * n);
1be9e1dc
PB		 1168 target_ulong addr = tgetl(vptr + 4 * n);
1169 target_ulong addrlen = tgetl(vptr + 5 * n);
1170 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1171 }
1172 break;
1173 case SOCKOP_shutdown:
7854b056 1174 {
53a5960a
PB		 1175 int sockfd = tgetl(vptr);
1176 int how = tgetl(vptr + n);
7854b056
FB		 1177
1178 ret = get_errno(shutdown(sockfd, how));
1179 }
31e31b8a
FB		 1180 break;
1181 case SOCKOP_sendmsg:
1182 case SOCKOP_recvmsg:
1a9353d2
FB		 1183 {
1184 int fd;
53a5960a 1185 target_ulong target_msg;
3532fa74 1186 int flags;
1a9353d2 1187
53a5960a 1188 fd = tgetl(vptr);
3532fa74 1189 target_msg = tgetl(vptr + n);
53a5960a 1190 flags = tgetl(vptr + 2 * n);
3532fa74
FB		 1191
1192 ret = do_sendrecvmsg(fd, target_msg, flags,
1193 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1194 }
1195 break;
31e31b8a 1196 case SOCKOP_setsockopt:
7854b056 1197 {
53a5960a
PB		 1198 int sockfd = tgetl(vptr);
1199 int level = tgetl(vptr + n);
1200 int optname = tgetl(vptr + 2 * n);
1201 target_ulong optval = tgetl(vptr + 3 * n);
1202 socklen_t optlen = tgetl(vptr + 4 * n);
7854b056
FB		 1203
1204 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1205 }
1206 break;
31e31b8a 1207 case SOCKOP_getsockopt:
7854b056 1208 {
53a5960a
PB		 1209 int sockfd = tgetl(vptr);
1210 int level = tgetl(vptr + n);
1211 int optname = tgetl(vptr + 2 * n);
1212 target_ulong optval = tgetl(vptr + 3 * n);
1213 target_ulong poptlen = tgetl(vptr + 4 * n);
7854b056 1214
8853f86e 1215 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
7854b056
FB		 1216 }
1217 break;
31e31b8a
FB		 1218 default:
1219 gemu_log("Unsupported socketcall: %d\n", num);
1220 ret = -ENOSYS;
1221 break;
1222 }
1223 return ret;
1224}
1225
8853f86e
FB		 1226#define N_SHM_REGIONS 32
1227
1228static struct shm_region {
1229 uint32_t start;
1230 uint32_t size;
1231} shm_regions[N_SHM_REGIONS];
1232
3eb6b044
TS		 1233struct target_ipc_perm
1234{
1235 target_long __key;
1236 target_ulong uid;
1237 target_ulong gid;
1238 target_ulong cuid;
1239 target_ulong cgid;
1240 unsigned short int mode;
1241 unsigned short int __pad1;
1242 unsigned short int __seq;
1243 unsigned short int __pad2;
1244 target_ulong __unused1;
1245 target_ulong __unused2;
1246};
1247
1248struct target_semid_ds
1249{
1250 struct target_ipc_perm sem_perm;
1251 target_ulong sem_otime;
1252 target_ulong __unused1;
1253 target_ulong sem_ctime;
1254 target_ulong __unused2;
1255 target_ulong sem_nsems;
1256 target_ulong __unused3;
1257 target_ulong __unused4;
1258};
1259
1260static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip,
1261 target_ulong target_addr)
1262{
1263 struct target_ipc_perm *target_ip;
1264 struct target_semid_ds *target_sd;
1265
1266 lock_user_struct(target_sd, target_addr, 1);
1267 target_ip=&(target_sd->sem_perm);
1268 host_ip->__key = tswapl(target_ip->__key);
1269 host_ip->uid = tswapl(target_ip->uid);
1270 host_ip->gid = tswapl(target_ip->gid);
1271 host_ip->cuid = tswapl(target_ip->cuid);
1272 host_ip->cgid = tswapl(target_ip->cgid);
1273 host_ip->mode = tswapl(target_ip->mode);
1274 unlock_user_struct(target_sd, target_addr, 0);
1275}
1276
1277static inline void host_to_target_ipc_perm(target_ulong target_addr,
1278 struct ipc_perm *host_ip)
1279{
1280 struct target_ipc_perm *target_ip;
1281 struct target_semid_ds *target_sd;
1282
1283 lock_user_struct(target_sd, target_addr, 0);
1284 target_ip = &(target_sd->sem_perm);
1285 target_ip->__key = tswapl(host_ip->__key);
1286 target_ip->uid = tswapl(host_ip->uid);
1287 target_ip->gid = tswapl(host_ip->gid);
1288 target_ip->cuid = tswapl(host_ip->cuid);
1289 target_ip->cgid = tswapl(host_ip->cgid);
1290 target_ip->mode = tswapl(host_ip->mode);
1291 unlock_user_struct(target_sd, target_addr, 1);
1292}
1293
1294static inline void target_to_host_semid_ds(struct semid_ds *host_sd,
1295 target_ulong target_addr)
1296{
1297 struct target_semid_ds *target_sd;
1298
1299 lock_user_struct(target_sd, target_addr, 1);
1300 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1301 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1302 host_sd->sem_otime = tswapl(target_sd->sem_otime);
1303 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1304 unlock_user_struct(target_sd, target_addr, 0);
1305}
1306
1307static inline void host_to_target_semid_ds(target_ulong target_addr,
1308 struct semid_ds *host_sd)
1309{
1310 struct target_semid_ds *target_sd;
1311
1312 lock_user_struct(target_sd, target_addr, 0);
1313 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1314 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1315 target_sd->sem_otime = tswapl(host_sd->sem_otime);
1316 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1317 unlock_user_struct(target_sd, target_addr, 1);
1318}
1319
fa294816
TS		 1320union semun {
1321 int val;
3eb6b044 1322 struct semid_ds *buf;
fa294816
TS		 1323 unsigned short *array;
1324};
1325
3eb6b044
TS		 1326union target_semun {
1327 int val;
1328 target_long buf;
1329 unsigned short int *array;
1330};
1331
1332static inline void target_to_host_semun(unsigned long cmd,
1333 union semun *host_su,
1334 target_ulong target_addr,
1335 struct semid_ds *ds)
1336{
1337 union target_semun *target_su;
1338
1339 switch( cmd ) {
1340 case IPC_STAT:
1341 case IPC_SET:
1342 lock_user_struct(target_su, target_addr, 1);
1343 target_to_host_semid_ds(ds,target_su->buf);
1344 host_su->buf = ds;
1345 unlock_user_struct(target_su, target_addr, 0);
1346 break;
1347 case GETVAL:
1348 case SETVAL:
1349 lock_user_struct(target_su, target_addr, 1);
1350 host_su->val = tswapl(target_su->val);
1351 unlock_user_struct(target_su, target_addr, 0);
1352 break;
1353 case GETALL:
1354 case SETALL:
1355 lock_user_struct(target_su, target_addr, 1);
1356 *host_su->array = tswap16(*target_su->array);
1357 unlock_user_struct(target_su, target_addr, 0);
1358 break;
1359 default:
1360 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1361 }
1362}
1363
1364static inline void host_to_target_semun(unsigned long cmd,
1365 target_ulong target_addr,
1366 union semun *host_su,
1367 struct semid_ds *ds)
1368{
1369 union target_semun *target_su;
1370
1371 switch( cmd ) {
1372 case IPC_STAT:
1373 case IPC_SET:
1374 lock_user_struct(target_su, target_addr, 0);
1375 host_to_target_semid_ds(target_su->buf,ds);
1376 unlock_user_struct(target_su, target_addr, 1);
1377 break;
1378 case GETVAL:
1379 case SETVAL:
1380 lock_user_struct(target_su, target_addr, 0);
1381 target_su->val = tswapl(host_su->val);
1382 unlock_user_struct(target_su, target_addr, 1);
1383 break;
1384 case GETALL:
1385 case SETALL:
1386 lock_user_struct(target_su, target_addr, 0);
1387 *target_su->array = tswap16(*host_su->array);
1388 unlock_user_struct(target_su, target_addr, 1);
1389 break;
1390 default:
1391 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1392 }
1393}
1394
1395static inline long do_semctl(long first, long second, long third, long ptr)
1396{
1397 union semun arg;
1398 struct semid_ds dsarg;
1399 int cmd = third&0xff;
1400 long ret = 0;
1401
1402 switch( cmd ) {
1403 case GETVAL:
1404 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1405 ret = get_errno(semctl(first, second, cmd, arg));
1406 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1407 break;
1408 case SETVAL:
1409 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1410 ret = get_errno(semctl(first, second, cmd, arg));
1411 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1412 break;
1413 case GETALL:
1414 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1415 ret = get_errno(semctl(first, second, cmd, arg));
1416 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1417 break;
1418 case SETALL:
1419 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1420 ret = get_errno(semctl(first, second, cmd, arg));
1421 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1422 break;
1423 case IPC_STAT:
1424 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1425 ret = get_errno(semctl(first, second, cmd, arg));
1426 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1427 break;
1428 case IPC_SET:
1429 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1430 ret = get_errno(semctl(first, second, cmd, arg));
1431 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1432 break;
1433 default:
1434 ret = get_errno(semctl(first, second, cmd, arg));
1435 }
1436
1437 return ret;
1438}
1439
53a5960a 1440/* ??? This only works with linear mappings. */
8853f86e
FB		 1441static long do_ipc(long call, long first, long second, long third,
1442 long ptr, long fifth)
1443{
1444 int version;
1445 long ret = 0;
1446 unsigned long raddr;
1447 struct shmid_ds shm_info;
1448 int i;
1449
1450 version = call >> 16;
1451 call &= 0xffff;
1452
1453 switch (call) {
fa294816
TS		 1454 case IPCOP_semop:
1455 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1456 break;
1457
1458 case IPCOP_semget:
1459 ret = get_errno(semget(first, second, third));
1460 break;
1461
1462 case IPCOP_semctl:
3eb6b044 1463 ret = do_semctl(first, second, third, ptr);
fa294816
TS		 1464 break;
1465
1466 case IPCOP_semtimedop:
1467 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1468 ret = -ENOSYS;
1469 break;
d96372ef
TS		 1470
1471 case IPCOP_msgget:
1472 ret = get_errno(msgget(first, second));
1473 break;
1474
1475 case IPCOP_msgsnd:
1476 ret = get_errno(msgsnd(first, (struct msgbuf *) ptr, second, third));
1477 break;
1478
1479 case IPCOP_msgctl:
1480 ret = get_errno(msgctl(first, second, (struct msqid_ds *) ptr));
1481 break;
1482
1483 case IPCOP_msgrcv:
1484 {
1485 struct ipc_kludge
1486 {
1487 void *__unbounded msgp;
1488 long int msgtyp;
1489 };
1490
1491 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1492 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
1493
1494 ret = get_errno(msgrcv(first, msgp, second, 0, third));
1495
1496 }
1497 break;
1498
8853f86e
FB		 1499 case IPCOP_shmat:
1500 /* SHM_* flags are the same on all linux platforms */
1501 ret = get_errno((long) shmat(first, (void *) ptr, second));
1502 if (is_error(ret))
1503 break;
1504 raddr = ret;
1505 /* find out the length of the shared memory segment */
1506
1507 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1508 if (is_error(ret)) {
1509 /* can't get length, bail out */
1510 shmdt((void *) raddr);
1511 break;
1512 }
1513 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1514 PAGE_VALID | PAGE_READ |
1515 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1516 for (i = 0; i < N_SHM_REGIONS; ++i) {
1517 if (shm_regions[i].start == 0) {
1518 shm_regions[i].start = raddr;
1519 shm_regions[i].size = shm_info.shm_segsz;
1520 break;
1521 }
1522 }
1523 if (put_user(raddr, (uint32_t *)third))
1524 return -EFAULT;
1525 ret = 0;
1526 break;
1527 case IPCOP_shmdt:
1528 for (i = 0; i < N_SHM_REGIONS; ++i) {
1529 if (shm_regions[i].start == ptr) {
1530 shm_regions[i].start = 0;
1531 page_set_flags(ptr, shm_regions[i].size, 0);
1532 break;
1533 }
1534 }
1535 ret = get_errno(shmdt((void *) ptr));
1536 break;
1537
1538 case IPCOP_shmget:
1539 /* IPC_* flag values are the same on all linux platforms */
1540 ret = get_errno(shmget(first, second, third));
1541 break;
1542
1543 /* IPC_* and SHM_* command values are the same on all linux platforms */
1544 case IPCOP_shmctl:
1545 switch(second) {
1546 case IPC_RMID:
1547 case SHM_LOCK:
1548 case SHM_UNLOCK:
1549 ret = get_errno(shmctl(first, second, NULL));
1550 break;
1551 default:
1552 goto unimplemented;
1553 }
1554 break;
1555 default:
1556 unimplemented:
1557 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1558 ret = -ENOSYS;
1559 break;
1560 }
1561 return ret;
1562}
1563
31e31b8a
FB		 1564/* kernel structure types definitions */
1565#define IFNAMSIZ 16
1566
1567#define STRUCT(name, list...) STRUCT_ ## name,
1568#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1569enum {
1570#include "syscall_types.h"
1571};
1572#undef STRUCT
1573#undef STRUCT_SPECIAL
1574
1575#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1576#define STRUCT_SPECIAL(name)
1577#include "syscall_types.h"
1578#undef STRUCT
1579#undef STRUCT_SPECIAL
1580
1581typedef struct IOCTLEntry {
2ab83ea7
FB		 1582 unsigned int target_cmd;
1583 unsigned int host_cmd;
31e31b8a
FB		 1584 const char *name;
1585 int access;
1a9353d2 1586 const argtype arg_type[5];
31e31b8a
FB		 1587} IOCTLEntry;
1588
1589#define IOC_R 0x0001
1590#define IOC_W 0x0002
1591#define IOC_RW (IOC_R | IOC_W)
1592
1593#define MAX_STRUCT_SIZE 4096
1594
2ab83ea7 1595IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 1596#define IOCTL(cmd, access, types...) \
1597 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1598#include "ioctls.h"
1599 { 0, 0, },
1600};
1601
53a5960a 1602/* ??? Implement proper locking for ioctls. */
31e31b8a
FB		 1603static long do_ioctl(long fd, long cmd, long arg)
1604{
1605 const IOCTLEntry *ie;
1606 const argtype *arg_type;
1607 long ret;
1608 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 1609 int target_size;
1610 void *argptr;
31e31b8a
FB		 1611
1612 ie = ioctl_entries;
1613 for(;;) {
1614 if (ie->target_cmd == 0) {
1615 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1616 return -ENOSYS;
1617 }
1618 if (ie->target_cmd == cmd)
1619 break;
1620 ie++;
1621 }
1622 arg_type = ie->arg_type;
9de5e440 1623#if defined(DEBUG)
72f03900
FB		 1624 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1625#endif
31e31b8a
FB		 1626 switch(arg_type[0]) {
1627 case TYPE_NULL:
1628 /* no argument */
1629 ret = get_errno(ioctl(fd, ie->host_cmd));
1630 break;
1631 case TYPE_PTRVOID:
1632 case TYPE_INT:
1633 /* int argment */
1634 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1635 break;
1636 case TYPE_PTR:
1637 arg_type++;
53a5960a 1638 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 1639 switch(ie->access) {
1640 case IOC_R:
1641 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1642 if (!is_error(ret)) {
53a5960a
PB		 1643 argptr = lock_user(arg, target_size, 0);
1644 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1645 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1646 }
1647 break;
1648 case IOC_W:
53a5960a
PB		 1649 argptr = lock_user(arg, target_size, 1);
1650 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1651 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1652 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1653 break;
1654 default:
1655 case IOC_RW:
53a5960a
PB		 1656 argptr = lock_user(arg, target_size, 1);
1657 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1658 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1659 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1660 if (!is_error(ret)) {
53a5960a
PB		 1661 argptr = lock_user(arg, target_size, 0);
1662 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1663 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1664 }
1665 break;
1666 }
1667 break;
1668 default:
1669 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1670 ret = -ENOSYS;
1671 break;
1672 }
1673 return ret;
1674}
1675
1676bitmask_transtbl iflag_tbl[] = {
1677 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1678 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1679 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1680 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1681 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1682 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1683 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1684 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1685 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1686 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1687 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1688 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1689 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1690 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1691 { 0, 0, 0, 0 }
1692};
1693
1694bitmask_transtbl oflag_tbl[] = {
1695 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1696 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1697 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1698 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1699 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1700 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1701 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1702 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1703 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1704 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1705 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1706 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1707 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1708 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1709 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1710 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1711 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1712 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1713 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1714 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1715 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1716 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1717 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1718 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1719 { 0, 0, 0, 0 }
1720};
1721
1722bitmask_transtbl cflag_tbl[] = {
1723 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1724 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1725 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1726 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1727 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1728 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1729 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1730 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1731 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1732 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1733 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1734 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1735 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1736 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1737 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1738 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1739 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1740 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1741 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1742 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1743 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1744 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1745 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1746 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1747 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1748 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1749 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1750 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1751 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1752 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1753 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1754 { 0, 0, 0, 0 }
1755};
1756
1757bitmask_transtbl lflag_tbl[] = {
1758 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1759 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1760 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1761 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1762 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1763 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1764 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1765 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1766 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1767 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1768 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1769 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1770 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1771 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1772 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1773 { 0, 0, 0, 0 }
1774};
1775
1776static void target_to_host_termios (void *dst, const void *src)
1777{
1778 struct host_termios *host = dst;
1779 const struct target_termios *target = src;
1780
1781 host->c_iflag =
1782 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1783 host->c_oflag =
1784 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1785 host->c_cflag =
1786 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1787 host->c_lflag =
1788 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1789 host->c_line = target->c_line;
1790
1791 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1792 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1793 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1794 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1795 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1796 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1797 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1798 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1799 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1800 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1801 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1802 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1803 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1804 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1805 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1806 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1807 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1808}
1809
1810static void host_to_target_termios (void *dst, const void *src)
1811{
1812 struct target_termios *target = dst;
1813 const struct host_termios *host = src;
1814
1815 target->c_iflag =
1816 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1817 target->c_oflag =
1818 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1819 target->c_cflag =
1820 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1821 target->c_lflag =
1822 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1823 target->c_line = host->c_line;
1824
1825 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1826 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1827 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1828 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1829 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1830 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1831 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1832 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1833 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1834 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1835 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1836 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1837 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1838 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1839 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1840 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1841 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1842}
1843
1844StructEntry struct_termios_def = {
1845 .convert = { host_to_target_termios, target_to_host_termios },
1846 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1847 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1848};
1849
5286db75
FB		 1850static bitmask_transtbl mmap_flags_tbl[] = {
1851 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1852 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1853 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1854 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1855 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1856 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1857 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1858 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1859 { 0, 0, 0, 0 }
1860};
1861
ffa65c3b
FB		 1862static bitmask_transtbl fcntl_flags_tbl[] = {
1863 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1864 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1865 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1866 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1867 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1868 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1869 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1870 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1871 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1872 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1873 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1874 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1875 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 1876#if defined(O_DIRECT)
ffa65c3b 1877 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 1878#endif
ffa65c3b
FB		 1879 { 0, 0, 0, 0 }
1880};
1881
2ab83ea7 1882#if defined(TARGET_I386)
6dbad63e
FB		 1883
1884/* NOTE: there is really one LDT for all the threads */
1885uint8_t *ldt_table;
1886
53a5960a 1887static int read_ldt(target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1888{
1889 int size;
53a5960a 1890 void *p;
6dbad63e
FB		 1891
1892 if (!ldt_table)
1893 return 0;
1894 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
1895 if (size > bytecount)
1896 size = bytecount;
53a5960a
PB		 1897 p = lock_user(ptr, size, 0);
1898 /* ??? Shoudl this by byteswapped? */
1899 memcpy(p, ldt_table, size);
1900 unlock_user(p, ptr, size);
6dbad63e
FB		 1901 return size;
1902}
1903
1904/* XXX: add locking support */
1905static int write_ldt(CPUX86State *env,
53a5960a 1906 target_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 1907{
1908 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 1909 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e
FB		 1910 int seg_32bit, contents, read_exec_only, limit_in_pages;
1911 int seg_not_present, useable;
1912 uint32_t *lp, entry_1, entry_2;
1913
1914 if (bytecount != sizeof(ldt_info))
1915 return -EINVAL;
53a5960a
PB		 1916 lock_user_struct(target_ldt_info, ptr, 1);
1917 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
1918 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
1919 ldt_info.limit = tswap32(target_ldt_info->limit);
1920 ldt_info.flags = tswap32(target_ldt_info->flags);
1921 unlock_user_struct(target_ldt_info, ptr, 0);
6dbad63e
FB		 1922
1923 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
1924 return -EINVAL;
1925 seg_32bit = ldt_info.flags & 1;
1926 contents = (ldt_info.flags >> 1) & 3;
1927 read_exec_only = (ldt_info.flags >> 3) & 1;
1928 limit_in_pages = (ldt_info.flags >> 4) & 1;
1929 seg_not_present = (ldt_info.flags >> 5) & 1;
1930 useable = (ldt_info.flags >> 6) & 1;
1931
1932 if (contents == 3) {
1933 if (oldmode)
1934 return -EINVAL;
1935 if (seg_not_present == 0)
1936 return -EINVAL;
1937 }
1938 /* allocate the LDT */
1939 if (!ldt_table) {
1940 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
1941 if (!ldt_table)
1942 return -ENOMEM;
1943 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
53a5960a 1944 env->ldt.base = h2g(ldt_table);
6dbad63e
FB		 1945 env->ldt.limit = 0xffff;
1946 }
1947
1948 /* NOTE: same code as Linux kernel */
1949 /* Allow LDTs to be cleared by the user. */
1950 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
1951 if (oldmode ||
1952 (contents == 0 &&
1953 read_exec_only == 1 &&
1954 seg_32bit == 0 &&
1955 limit_in_pages == 0 &&
1956 seg_not_present == 1 &&
1957 useable == 0 )) {
1958 entry_1 = 0;
1959 entry_2 = 0;
1960 goto install;
1961 }
1962 }
1963
1964 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
1965 (ldt_info.limit & 0x0ffff);
1966 entry_2 = (ldt_info.base_addr & 0xff000000) |
1967 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
1968 (ldt_info.limit & 0xf0000) |
1969 ((read_exec_only ^ 1) << 9) |
1970 (contents << 10) |
1971 ((seg_not_present ^ 1) << 15) |
1972 (seg_32bit << 22) |
1973 (limit_in_pages << 23) |
1974 0x7000;
1975 if (!oldmode)
1976 entry_2 |= (useable << 20);
14ae3ba7 1977
6dbad63e
FB		 1978 /* Install the new entry ... */
1979install:
1980 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
1981 lp[0] = tswap32(entry_1);
1982 lp[1] = tswap32(entry_2);
1983 return 0;
1984}
1985
1986/* specific and weird i386 syscalls */
53a5960a 1987int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1988{
1989 int ret = -ENOSYS;
1990
1991 switch (func) {
1992 case 0:
1993 ret = read_ldt(ptr, bytecount);
1994 break;
1995 case 1:
1996 ret = write_ldt(env, ptr, bytecount, 1);
1997 break;
1998 case 0x11:
1999 ret = write_ldt(env, ptr, bytecount, 0);
2000 break;
2001 }
2002 return ret;
2003}
1b6b029e 2004
2ab83ea7
FB		 2005#endif /* defined(TARGET_I386) */
2006
1b6b029e
FB		 2007/* this stack is the equivalent of the kernel stack associated with a
2008 thread/process */
2009#define NEW_STACK_SIZE 8192
2010
2011static int clone_func(void *arg)
2012{
2ab83ea7 2013 CPUState *env = arg;
1b6b029e
FB		 2014 cpu_loop(env);
2015 /* never exits */
2016 return 0;
2017}
2018
2ab83ea7 2019int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1b6b029e
FB		 2020{
2021 int ret;
5cd4393b 2022 TaskState *ts;
1b6b029e 2023 uint8_t *new_stack;
2ab83ea7 2024 CPUState *new_env;
1b6b029e
FB		 2025
2026 if (flags & CLONE_VM) {
5cd4393b
FB		 2027 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2028 memset(ts, 0, sizeof(TaskState));
2029 new_stack = ts->stack;
2030 ts->used = 1;
2031 /* add in task state list */
2032 ts->next = first_task_state;
2033 first_task_state = ts;
1b6b029e 2034 /* we create a new CPU instance. */
c5be9f08 2035 new_env = cpu_copy(env);
2ab83ea7
FB		 2036#if defined(TARGET_I386)
2037 if (!newsp)
2038 newsp = env->regs[R_ESP];
1b6b029e
FB		 2039 new_env->regs[R_ESP] = newsp;
2040 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 2041#elif defined(TARGET_ARM)
2042 if (!newsp)
2043 newsp = env->regs[13];
2044 new_env->regs[13] = newsp;
2045 new_env->regs[0] = 0;
ebc05488 2046#elif defined(TARGET_SPARC)
48dc41eb
FB		 2047 if (!newsp)
2048 newsp = env->regwptr[22];
2049 new_env->regwptr[22] = newsp;
2050 new_env->regwptr[0] = 0;
2051 /* XXXXX */
67867308 2052 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
e6e5906b
PB		 2053#elif defined(TARGET_M68K)
2054 if (!newsp)
2055 newsp = env->aregs[7];
2056 new_env->aregs[7] = newsp;
2057 new_env->dregs[0] = 0;
2058 /* ??? is this sufficient? */
048f6b4d 2059#elif defined(TARGET_MIPS)
388bb21a
TS		 2060 if (!newsp)
2061 newsp = env->gpr[29];
2062 new_env->gpr[29] = newsp;
67867308
FB		 2063#elif defined(TARGET_PPC)
2064 if (!newsp)
2065 newsp = env->gpr[1];
2066 new_env->gpr[1] = newsp;
2067 {
2068 int i;
2069 for (i = 7; i < 32; i++)
2070 new_env->gpr[i] = 0;
2071 }
fdf9b3e8
FB		 2072#elif defined(TARGET_SH4)
2073 if (!newsp)
2074 newsp = env->gregs[15];
2075 new_env->gregs[15] = newsp;
2076 /* XXXXX */
7a3148a9
JM		 2077#elif defined(TARGET_ALPHA)
2078 if (!newsp)
2079 newsp = env->ir[30];
2080 new_env->ir[30] = newsp;
2081 /* ? */
2082 {
2083 int i;
2084 for (i = 7; i < 30; i++)
2085 new_env->ir[i] = 0;
2086 }
2ab83ea7
FB		 2087#else
2088#error unsupported target CPU
2089#endif
5cd4393b 2090 new_env->opaque = ts;
27725c1d 2091#ifdef __ia64__
fd4a43e4 2092 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 2093#else
2094 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2095#endif
1b6b029e
FB		 2096 } else {
2097 /* if no CLONE_VM, we consider it is a fork */
2098 if ((flags & ~CSIGNAL) != 0)
2099 return -EINVAL;
2100 ret = fork();
2101 }
2102 return ret;
2103}
2104
53a5960a 2105static long do_fcntl(int fd, int cmd, target_ulong arg)
7775e9ec
FB		 2106{
2107 struct flock fl;
53a5960a 2108 struct target_flock *target_fl;
43f238d7
TS		 2109 struct flock64 fl64;
2110 struct target_flock64 *target_fl64;
7775e9ec 2111 long ret;
53a5960a 2112
7775e9ec
FB		 2113 switch(cmd) {
2114 case TARGET_F_GETLK:
5813427b
TS		 2115 lock_user_struct(target_fl, arg, 1);
2116 fl.l_type = tswap16(target_fl->l_type);
2117 fl.l_whence = tswap16(target_fl->l_whence);
2118 fl.l_start = tswapl(target_fl->l_start);
2119 fl.l_len = tswapl(target_fl->l_len);
2120 fl.l_pid = tswapl(target_fl->l_pid);
2121 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2122 ret = fcntl(fd, cmd, &fl);
2123 if (ret == 0) {
53a5960a 2124 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2125 target_fl->l_type = tswap16(fl.l_type);
2126 target_fl->l_whence = tswap16(fl.l_whence);
2127 target_fl->l_start = tswapl(fl.l_start);
2128 target_fl->l_len = tswapl(fl.l_len);
2129 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 2130 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2131 }
2132 break;
2133
2134 case TARGET_F_SETLK:
2135 case TARGET_F_SETLKW:
53a5960a 2136 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2137 fl.l_type = tswap16(target_fl->l_type);
2138 fl.l_whence = tswap16(target_fl->l_whence);
2139 fl.l_start = tswapl(target_fl->l_start);
2140 fl.l_len = tswapl(target_fl->l_len);
2141 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 2142 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2143 ret = fcntl(fd, cmd, &fl);
2144 break;
2145
2146 case TARGET_F_GETLK64:
5813427b
TS		 2147 lock_user_struct(target_fl64, arg, 1);
2148 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2149 fl64.l_whence = tswap16(target_fl64->l_whence);
2150 fl64.l_start = tswapl(target_fl64->l_start);
2151 fl64.l_len = tswapl(target_fl64->l_len);
2152 fl64.l_pid = tswap16(target_fl64->l_pid);
2153 unlock_user_struct(target_fl64, arg, 0);
43f238d7
TS		 2154 ret = fcntl(fd, cmd >> 1, &fl64);
2155 if (ret == 0) {
2156 lock_user_struct(target_fl64, arg, 0);
2157 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2158 target_fl64->l_whence = tswap16(fl64.l_whence);
2159 target_fl64->l_start = tswapl(fl64.l_start);
2160 target_fl64->l_len = tswapl(fl64.l_len);
2161 target_fl64->l_pid = tswapl(fl64.l_pid);
2162 unlock_user_struct(target_fl64, arg, 1);
2163 }
2164 break;
7775e9ec
FB		 2165 case TARGET_F_SETLK64:
2166 case TARGET_F_SETLKW64:
43f238d7
TS		 2167 lock_user_struct(target_fl64, arg, 1);
2168 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2169 fl64.l_whence = tswap16(target_fl64->l_whence);
2170 fl64.l_start = tswapl(target_fl64->l_start);
2171 fl64.l_len = tswapl(target_fl64->l_len);
2172 fl64.l_pid = tswap16(target_fl64->l_pid);
2173 unlock_user_struct(target_fl64, arg, 0);
2174 ret = fcntl(fd, cmd >> 1, &fl64);
7775e9ec
FB		 2175 break;
2176
ffa65c3b
FB		 2177 case F_GETFL:
2178 ret = fcntl(fd, cmd, arg);
2179 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
2180 break;
2181
2182 case F_SETFL:
2183 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
2184 break;
2185
7775e9ec
FB		 2186 default:
2187 ret = fcntl(fd, cmd, arg);
2188 break;
2189 }
2190 return ret;
2191}
2192
67867308 2193#ifdef USE_UID16
7775e9ec 2194
67867308
FB		 2195static inline int high2lowuid(int uid)
2196{
2197 if (uid > 65535)
2198 return 65534;
2199 else
2200 return uid;
2201}
2202
2203static inline int high2lowgid(int gid)
2204{
2205 if (gid > 65535)
2206 return 65534;
2207 else
2208 return gid;
2209}
2210
2211static inline int low2highuid(int uid)
2212{
2213 if ((int16_t)uid == -1)
2214 return -1;
2215 else
2216 return uid;
2217}
2218
2219static inline int low2highgid(int gid)
2220{
2221 if ((int16_t)gid == -1)
2222 return -1;
2223 else
2224 return gid;
2225}
2226
2227#endif /* USE_UID16 */
1b6b029e 2228
31e31b8a
FB		 2229void syscall_init(void)
2230{
2ab83ea7
FB		 2231 IOCTLEntry *ie;
2232 const argtype *arg_type;
2233 int size;
2234
31e31b8a
FB		 2235#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
2236#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
2237#include "syscall_types.h"
2238#undef STRUCT
2239#undef STRUCT_SPECIAL
2ab83ea7
FB		 2240
2241 /* we patch the ioctl size if necessary. We rely on the fact that
2242 no ioctl has all the bits at '1' in the size field */
2243 ie = ioctl_entries;
2244 while (ie->target_cmd != 0) {
2245 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2246 TARGET_IOC_SIZEMASK) {
2247 arg_type = ie->arg_type;
2248 if (arg_type[0] != TYPE_PTR) {
2249 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2250 ie->target_cmd);
2251 exit(1);
2252 }
2253 arg_type++;
2254 size = thunk_type_size(arg_type, 0);
2255 ie->target_cmd = (ie->target_cmd &
2256 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2257 (size << TARGET_IOC_SIZESHIFT);
2258 }
2259 /* automatic consistency check if same arch */
2260#if defined(__i386__) && defined(TARGET_I386)
2261 if (ie->target_cmd != ie->host_cmd) {
2262 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
2263 ie->target_cmd, ie->host_cmd);
2264 }
2265#endif
2266 ie++;
2267 }
31e31b8a 2268}
c573ff67 2269
ce4defa0
PB		 2270static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2271{
2272#ifdef TARGET_WORDS_BIG_ENDIAN
2273 return ((uint64_t)word0 << 32) | word1;
2274#else
2275 return ((uint64_t)word1 << 32) | word0;
2276#endif
2277}
2278
2279#ifdef TARGET_NR_truncate64
2280static inline long target_truncate64(void *cpu_env, const char *arg1,
2281 long arg2, long arg3, long arg4)
2282{
2283#ifdef TARGET_ARM
2284 if (((CPUARMState *)cpu_env)->eabi)
2285 {
2286 arg2 = arg3;
2287 arg3 = arg4;
2288 }
2289#endif
2290 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
2291}
2292#endif
2293
2294#ifdef TARGET_NR_ftruncate64
2295static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
2296 long arg3, long arg4)
2297{
2298#ifdef TARGET_ARM
2299 if (((CPUARMState *)cpu_env)->eabi)
2300 {
2301 arg2 = arg3;
2302 arg3 = arg4;
2303 }
2304#endif
2305 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
2306}
2307#endif
2308
53a5960a
PB		 2309static inline void target_to_host_timespec(struct timespec *host_ts,
2310 target_ulong target_addr)
2311{
2312 struct target_timespec *target_ts;
2313
2314 lock_user_struct(target_ts, target_addr, 1);
2315 host_ts->tv_sec = tswapl(target_ts->tv_sec);
2316 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2317 unlock_user_struct(target_ts, target_addr, 0);
2318}
2319
2320static inline void host_to_target_timespec(target_ulong target_addr,
2321 struct timespec *host_ts)
2322{
2323 struct target_timespec *target_ts;
2324
2325 lock_user_struct(target_ts, target_addr, 0);
2326 target_ts->tv_sec = tswapl(host_ts->tv_sec);
2327 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2328 unlock_user_struct(target_ts, target_addr, 1);
2329}
2330
6dbad63e 2331long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 2332 long arg4, long arg5, long arg6)
2333{
2334 long ret;
2335 struct stat st;
56c8f68f 2336 struct statfs stfs;
53a5960a 2337 void *p;
31e31b8a 2338
72f03900 2339#ifdef DEBUG
c573ff67 2340 gemu_log("syscall %d", num);
72f03900 2341#endif
31e31b8a
FB		 2342 switch(num) {
2343 case TARGET_NR_exit:
7d13299d
FB		 2344#ifdef HAVE_GPROF
2345 _mcleanup();
2346#endif
e9009676 2347 gdb_exit(cpu_env, arg1);
1b6b029e 2348 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 2349 _exit(arg1);
2350 ret = 0; /* avoid warning */
2351 break;
2352 case TARGET_NR_read:
53a5960a
PB		 2353 page_unprotect_range(arg2, arg3);
2354 p = lock_user(arg2, arg3, 0);
2355 ret = get_errno(read(arg1, p, arg3));
2356 unlock_user(p, arg2, ret);
31e31b8a
FB		 2357 break;
2358 case TARGET_NR_write:
53a5960a
PB		 2359 p = lock_user(arg2, arg3, 1);
2360 ret = get_errno(write(arg1, p, arg3));
2361 unlock_user(p, arg2, 0);
31e31b8a
FB		 2362 break;
2363 case TARGET_NR_open:
53a5960a
PB		 2364 p = lock_user_string(arg1);
2365 ret = get_errno(open(path(p),
ffa65c3b
FB		 2366 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2367 arg3));
53a5960a 2368 unlock_user(p, arg1, 0);
31e31b8a
FB		 2369 break;
2370 case TARGET_NR_close:
2371 ret = get_errno(close(arg1));
2372 break;
2373 case TARGET_NR_brk:
53a5960a 2374 ret = do_brk(arg1);
31e31b8a
FB		 2375 break;
2376 case TARGET_NR_fork:
1b6b029e 2377 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a 2378 break;
e5febef5 2379#ifdef TARGET_NR_waitpid
31e31b8a
FB		 2380 case TARGET_NR_waitpid:
2381 {
53a5960a
PB		 2382 int status;
2383 ret = get_errno(waitpid(arg1, &status, arg3));
2384 if (!is_error(ret) && arg2)
2385 tput32(arg2, status);
31e31b8a
FB		 2386 }
2387 break;
e5febef5 2388#endif
7a3148a9 2389#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 2390 case TARGET_NR_creat:
53a5960a
PB		 2391 p = lock_user_string(arg1);
2392 ret = get_errno(creat(p, arg2));
2393 unlock_user(p, arg1, 0);
31e31b8a 2394 break;
7a3148a9 2395#endif
31e31b8a 2396 case TARGET_NR_link:
53a5960a
PB		 2397 {
2398 void * p2;
2399 p = lock_user_string(arg1);
2400 p2 = lock_user_string(arg2);
2401 ret = get_errno(link(p, p2));
2402 unlock_user(p2, arg2, 0);
2403 unlock_user(p, arg1, 0);
2404 }
31e31b8a
FB		 2405 break;
2406 case TARGET_NR_unlink:
53a5960a
PB		 2407 p = lock_user_string(arg1);
2408 ret = get_errno(unlink(p));
2409 unlock_user(p, arg1, 0);
31e31b8a
FB		 2410 break;
2411 case TARGET_NR_execve:
7854b056
FB		 2412 {
2413 char **argp, **envp;
f7341ff4 2414 int argc, envc;
53a5960a
PB		 2415 target_ulong gp;
2416 target_ulong guest_argp;
2417 target_ulong guest_envp;
2418 target_ulong addr;
7854b056
FB		 2419 char **q;
2420
f7341ff4 2421 argc = 0;
53a5960a
PB		 2422 guest_argp = arg2;
2423 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2424 argc++;
f7341ff4 2425 envc = 0;
53a5960a
PB		 2426 guest_envp = arg3;
2427 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2428 envc++;
2429
f7341ff4
FB		 2430 argp = alloca((argc + 1) * sizeof(void *));
2431 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2432
53a5960a
PB		 2433 for (gp = guest_argp, q = argp; ;
2434 gp += sizeof(target_ulong), q++) {
2435 addr = tgetl(gp);
2436 if (!addr)
2437 break;
2438 *q = lock_user_string(addr);
2439 }
f7341ff4
FB		 2440 *q = NULL;
2441
53a5960a
PB		 2442 for (gp = guest_envp, q = envp; ;
2443 gp += sizeof(target_ulong), q++) {
2444 addr = tgetl(gp);
2445 if (!addr)
2446 break;
2447 *q = lock_user_string(addr);
2448 }
f7341ff4 2449 *q = NULL;
7854b056 2450
53a5960a
PB		 2451 p = lock_user_string(arg1);
2452 ret = get_errno(execve(p, argp, envp));
2453 unlock_user(p, arg1, 0);
2454
2455 for (gp = guest_argp, q = argp; *q;
2456 gp += sizeof(target_ulong), q++) {
2457 addr = tgetl(gp);
2458 unlock_user(*q, addr, 0);
2459 }
2460 for (gp = guest_envp, q = envp; *q;
2461 gp += sizeof(target_ulong), q++) {
2462 addr = tgetl(gp);
2463 unlock_user(*q, addr, 0);
2464 }
7854b056 2465 }
31e31b8a
FB		 2466 break;
2467 case TARGET_NR_chdir:
53a5960a
PB		 2468 p = lock_user_string(arg1);
2469 ret = get_errno(chdir(p));
2470 unlock_user(p, arg1, 0);
31e31b8a 2471 break;
a315a145 2472#ifdef TARGET_NR_time
31e31b8a
FB		 2473 case TARGET_NR_time:
2474 {
53a5960a
PB		 2475 time_t host_time;
2476 ret = get_errno(time(&host_time));
2477 if (!is_error(ret) && arg1)
2478 tputl(arg1, host_time);
31e31b8a
FB		 2479 }
2480 break;
a315a145 2481#endif
31e31b8a 2482 case TARGET_NR_mknod:
53a5960a
PB		 2483 p = lock_user_string(arg1);
2484 ret = get_errno(mknod(p, arg2, arg3));
2485 unlock_user(p, arg1, 0);
31e31b8a
FB		 2486 break;
2487 case TARGET_NR_chmod:
53a5960a
PB		 2488 p = lock_user_string(arg1);
2489 ret = get_errno(chmod(p, arg2));
2490 unlock_user(p, arg1, 0);
31e31b8a 2491 break;
ebc05488 2492#ifdef TARGET_NR_break
31e31b8a
FB		 2493 case TARGET_NR_break:
2494 goto unimplemented;
ebc05488
FB		 2495#endif
2496#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2497 case TARGET_NR_oldstat:
2498 goto unimplemented;
ebc05488 2499#endif
31e31b8a
FB		 2500 case TARGET_NR_lseek:
2501 ret = get_errno(lseek(arg1, arg2, arg3));
2502 break;
7a3148a9
JM		 2503#ifdef TARGET_NR_getxpid
2504 case TARGET_NR_getxpid:
2505#else
31e31b8a 2506 case TARGET_NR_getpid:
7a3148a9 2507#endif
31e31b8a
FB		 2508 ret = get_errno(getpid());
2509 break;
2510 case TARGET_NR_mount:
80265918
TS		 2511 {
2512 /* need to look at the data field */
2513 void *p2, *p3;
2514 p = lock_user_string(arg1);
2515 p2 = lock_user_string(arg2);
2516 p3 = lock_user_string(arg3);
2517 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2518 unlock_user(p, arg1, 0);
2519 unlock_user(p2, arg2, 0);
2520 unlock_user(p3, arg3, 0);
2521 break;
2522 }
e5febef5 2523#ifdef TARGET_NR_umount
31e31b8a 2524 case TARGET_NR_umount:
53a5960a
PB		 2525 p = lock_user_string(arg1);
2526 ret = get_errno(umount(p));
2527 unlock_user(p, arg1, 0);
31e31b8a 2528 break;
e5febef5 2529#endif
7a3148a9 2530#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 2531 case TARGET_NR_stime:
2532 {
53a5960a
PB		 2533 time_t host_time;
2534 host_time = tgetl(arg1);
2535 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2536 }
2537 break;
7a3148a9 2538#endif
31e31b8a
FB		 2539 case TARGET_NR_ptrace:
2540 goto unimplemented;
7a3148a9 2541#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 2542 case TARGET_NR_alarm:
2543 ret = alarm(arg1);
2544 break;
7a3148a9 2545#endif
ebc05488 2546#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2547 case TARGET_NR_oldfstat:
2548 goto unimplemented;
ebc05488 2549#endif
7a3148a9 2550#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 2551 case TARGET_NR_pause:
2552 ret = get_errno(pause());
2553 break;
7a3148a9 2554#endif
e5febef5 2555#ifdef TARGET_NR_utime
31e31b8a 2556 case TARGET_NR_utime:
ebc05488 2557 {
53a5960a
PB		 2558 struct utimbuf tbuf, *host_tbuf;
2559 struct target_utimbuf *target_tbuf;
2560 if (arg2) {
2561 lock_user_struct(target_tbuf, arg2, 1);
2562 tbuf.actime = tswapl(target_tbuf->actime);
2563 tbuf.modtime = tswapl(target_tbuf->modtime);
2564 unlock_user_struct(target_tbuf, arg2, 0);
2565 host_tbuf = &tbuf;
f72e8ff4 2566 } else {
53a5960a 2567 host_tbuf = NULL;
f72e8ff4 2568 }
53a5960a
PB		 2569 p = lock_user_string(arg1);
2570 ret = get_errno(utime(p, host_tbuf));
2571 unlock_user(p, arg1, 0);
ebc05488
FB		 2572 }
2573 break;
e5febef5 2574#endif
978a66ff
FB		 2575 case TARGET_NR_utimes:
2576 {
978a66ff 2577 struct timeval *tvp, tv[2];
53a5960a
PB		 2578 if (arg2) {
2579 target_to_host_timeval(&tv[0], arg2);
2580 target_to_host_timeval(&tv[1],
2581 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2582 tvp = tv;
2583 } else {
2584 tvp = NULL;
2585 }
53a5960a
PB		 2586 p = lock_user_string(arg1);
2587 ret = get_errno(utimes(p, tvp));
2588 unlock_user(p, arg1, 0);
978a66ff
FB		 2589 }
2590 break;
ebc05488 2591#ifdef TARGET_NR_stty
31e31b8a
FB		 2592 case TARGET_NR_stty:
2593 goto unimplemented;
ebc05488
FB		 2594#endif
2595#ifdef TARGET_NR_gtty
31e31b8a
FB		 2596 case TARGET_NR_gtty:
2597 goto unimplemented;
ebc05488 2598#endif
31e31b8a 2599 case TARGET_NR_access:
53a5960a
PB		 2600 p = lock_user_string(arg1);
2601 ret = get_errno(access(p, arg2));
2602 unlock_user(p, arg1, 0);
31e31b8a 2603 break;
7a3148a9 2604#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 2605 case TARGET_NR_nice:
2606 ret = get_errno(nice(arg1));
2607 break;
7a3148a9 2608#endif
ebc05488 2609#ifdef TARGET_NR_ftime
31e31b8a
FB		 2610 case TARGET_NR_ftime:
2611 goto unimplemented;
ebc05488 2612#endif
31e31b8a 2613 case TARGET_NR_sync:
04369ff2
FB		 2614 sync();
2615 ret = 0;
31e31b8a
FB		 2616 break;
2617 case TARGET_NR_kill:
2618 ret = get_errno(kill(arg1, arg2));
2619 break;
2620 case TARGET_NR_rename:
53a5960a
PB		 2621 {
2622 void *p2;
2623 p = lock_user_string(arg1);
2624 p2 = lock_user_string(arg2);
2625 ret = get_errno(rename(p, p2));
2626 unlock_user(p2, arg2, 0);
2627 unlock_user(p, arg1, 0);
2628 }
31e31b8a
FB		 2629 break;
2630 case TARGET_NR_mkdir:
53a5960a
PB		 2631 p = lock_user_string(arg1);
2632 ret = get_errno(mkdir(p, arg2));
2633 unlock_user(p, arg1, 0);
31e31b8a
FB		 2634 break;
2635 case TARGET_NR_rmdir:
53a5960a
PB		 2636 p = lock_user_string(arg1);
2637 ret = get_errno(rmdir(p));
2638 unlock_user(p, arg1, 0);
31e31b8a
FB		 2639 break;
2640 case TARGET_NR_dup:
2641 ret = get_errno(dup(arg1));
2642 break;
2643 case TARGET_NR_pipe:
2644 {
53a5960a
PB		 2645 int host_pipe[2];
2646 ret = get_errno(pipe(host_pipe));
31e31b8a 2647 if (!is_error(ret)) {
c12ab05c
TS		 2648#if defined(TARGET_MIPS)
2649 ((CPUMIPSState*)cpu_env)->gpr[3] = host_pipe[1];
2650 ret = host_pipe[0];
2651#else
53a5960a
PB		 2652 tput32(arg1, host_pipe[0]);
2653 tput32(arg1 + 4, host_pipe[1]);
c12ab05c 2654#endif
31e31b8a
FB		 2655 }
2656 }
2657 break;
2658 case TARGET_NR_times:
32f36bce 2659 {
53a5960a 2660 struct target_tms *tmsp;
32f36bce
FB		 2661 struct tms tms;
2662 ret = get_errno(times(&tms));
53a5960a
PB		 2663 if (arg1) {
2664 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 2665 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2666 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2667 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2668 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 2669 }
c596ed17
FB		 2670 if (!is_error(ret))
2671 ret = host_to_target_clock_t(ret);
32f36bce
FB		 2672 }
2673 break;
ebc05488 2674#ifdef TARGET_NR_prof
31e31b8a
FB		 2675 case TARGET_NR_prof:
2676 goto unimplemented;
ebc05488 2677#endif
e5febef5 2678#ifdef TARGET_NR_signal
31e31b8a
FB		 2679 case TARGET_NR_signal:
2680 goto unimplemented;
e5febef5 2681#endif
31e31b8a 2682 case TARGET_NR_acct:
24836689
PB		 2683 p = lock_user_string(arg1);
2684 ret = get_errno(acct(path(p)));
2685 unlock_user(p, arg1, 0);
2686 break;
7a3148a9 2687#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 2688 case TARGET_NR_umount2:
53a5960a
PB		 2689 p = lock_user_string(arg1);
2690 ret = get_errno(umount2(p, arg2));
2691 unlock_user(p, arg1, 0);
31e31b8a 2692 break;
7a3148a9 2693#endif
ebc05488 2694#ifdef TARGET_NR_lock
31e31b8a
FB		 2695 case TARGET_NR_lock:
2696 goto unimplemented;
ebc05488 2697#endif
31e31b8a
FB		 2698 case TARGET_NR_ioctl:
2699 ret = do_ioctl(arg1, arg2, arg3);
2700 break;
2701 case TARGET_NR_fcntl:
7775e9ec 2702 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 2703 break;
ebc05488 2704#ifdef TARGET_NR_mpx
31e31b8a
FB		 2705 case TARGET_NR_mpx:
2706 goto unimplemented;
ebc05488 2707#endif
31e31b8a
FB		 2708 case TARGET_NR_setpgid:
2709 ret = get_errno(setpgid(arg1, arg2));
2710 break;
ebc05488 2711#ifdef TARGET_NR_ulimit
31e31b8a
FB		 2712 case TARGET_NR_ulimit:
2713 goto unimplemented;
ebc05488
FB		 2714#endif
2715#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 2716 case TARGET_NR_oldolduname:
2717 goto unimplemented;
ebc05488 2718#endif
31e31b8a
FB		 2719 case TARGET_NR_umask:
2720 ret = get_errno(umask(arg1));
2721 break;
2722 case TARGET_NR_chroot:
53a5960a
PB		 2723 p = lock_user_string(arg1);
2724 ret = get_errno(chroot(p));
2725 unlock_user(p, arg1, 0);
31e31b8a
FB		 2726 break;
2727 case TARGET_NR_ustat:
2728 goto unimplemented;
2729 case TARGET_NR_dup2:
2730 ret = get_errno(dup2(arg1, arg2));
2731 break;
7a3148a9 2732#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 2733 case TARGET_NR_getppid:
2734 ret = get_errno(getppid());
2735 break;
7a3148a9 2736#endif
31e31b8a
FB		 2737 case TARGET_NR_getpgrp:
2738 ret = get_errno(getpgrp());
2739 break;
2740 case TARGET_NR_setsid:
2741 ret = get_errno(setsid());
2742 break;
e5febef5 2743#ifdef TARGET_NR_sigaction
31e31b8a 2744 case TARGET_NR_sigaction:
31e31b8a 2745 {
388bb21a 2746#if !defined(TARGET_MIPS)
53a5960a 2747 struct target_old_sigaction *old_act;
66fb9763 2748 struct target_sigaction act, oact, *pact;
53a5960a
PB		 2749 if (arg2) {
2750 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 2751 act._sa_handler = old_act->_sa_handler;
2752 target_siginitset(&act.sa_mask, old_act->sa_mask);
2753 act.sa_flags = old_act->sa_flags;
2754 act.sa_restorer = old_act->sa_restorer;
53a5960a 2755 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 2756 pact = &act;
2757 } else {
2758 pact = NULL;
2759 }
2760 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 2761 if (!is_error(ret) && arg3) {
2762 lock_user_struct(old_act, arg3, 0);
2763 old_act->_sa_handler = oact._sa_handler;
2764 old_act->sa_mask = oact.sa_mask.sig[0];
2765 old_act->sa_flags = oact.sa_flags;
2766 old_act->sa_restorer = oact.sa_restorer;
2767 unlock_user_struct(old_act, arg3, 1);
66fb9763 2768 }
388bb21a 2769#else
106ec879
FB		 2770 struct target_sigaction act, oact, *pact, *old_act;
2771
2772 if (arg2) {
2773 lock_user_struct(old_act, arg2, 1);
2774 act._sa_handler = old_act->_sa_handler;
2775 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2776 act.sa_flags = old_act->sa_flags;
2777 unlock_user_struct(old_act, arg2, 0);
2778 pact = &act;
2779 } else {
2780 pact = NULL;
2781 }
2782
2783 ret = get_errno(do_sigaction(arg1, pact, &oact));
2784
2785 if (!is_error(ret) && arg3) {
2786 lock_user_struct(old_act, arg3, 0);
2787 old_act->_sa_handler = oact._sa_handler;
2788 old_act->sa_flags = oact.sa_flags;
2789 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2790 old_act->sa_mask.sig[1] = 0;
2791 old_act->sa_mask.sig[2] = 0;
2792 old_act->sa_mask.sig[3] = 0;
2793 unlock_user_struct(old_act, arg3, 1);
2794 }
388bb21a 2795#endif
31e31b8a
FB		 2796 }
2797 break;
e5febef5 2798#endif
66fb9763 2799 case TARGET_NR_rt_sigaction:
53a5960a
PB		 2800 {
2801 struct target_sigaction *act;
2802 struct target_sigaction *oact;
2803
2804 if (arg2)
2805 lock_user_struct(act, arg2, 1);
2806 else
2807 act = NULL;
2808 if (arg3)
2809 lock_user_struct(oact, arg3, 0);
2810 else
2811 oact = NULL;
2812 ret = get_errno(do_sigaction(arg1, act, oact));
2813 if (arg2)
2814 unlock_user_struct(act, arg2, 0);
2815 if (arg3)
2816 unlock_user_struct(oact, arg3, 1);
2817 }
66fb9763 2818 break;
7a3148a9 2819#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 2820 case TARGET_NR_sgetmask:
66fb9763
FB		 2821 {
2822 sigset_t cur_set;
2823 target_ulong target_set;
2824 sigprocmask(0, NULL, &cur_set);
2825 host_to_target_old_sigset(&target_set, &cur_set);
2826 ret = target_set;
2827 }
2828 break;
7a3148a9
JM		 2829#endif
2830#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 2831 case TARGET_NR_ssetmask:
66fb9763
FB		 2832 {
2833 sigset_t set, oset, cur_set;
2834 target_ulong target_set = arg1;
2835 sigprocmask(0, NULL, &cur_set);
2836 target_to_host_old_sigset(&set, &target_set);
2837 sigorset(&set, &set, &cur_set);
2838 sigprocmask(SIG_SETMASK, &set, &oset);
2839 host_to_target_old_sigset(&target_set, &oset);
2840 ret = target_set;
2841 }
2842 break;
7a3148a9 2843#endif
e5febef5 2844#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 2845 case TARGET_NR_sigprocmask:
2846 {
2847 int how = arg1;
2848 sigset_t set, oldset, *set_ptr;
66fb9763 2849
53a5960a 2850 if (arg2) {
66fb9763
FB		 2851 switch(how) {
2852 case TARGET_SIG_BLOCK:
2853 how = SIG_BLOCK;
2854 break;
2855 case TARGET_SIG_UNBLOCK:
2856 how = SIG_UNBLOCK;
2857 break;
2858 case TARGET_SIG_SETMASK:
2859 how = SIG_SETMASK;
2860 break;
2861 default:
2862 ret = -EINVAL;
2863 goto fail;
2864 }
53a5960a
PB		 2865 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2866 target_to_host_old_sigset(&set, p);
2867 unlock_user(p, arg2, 0);
66fb9763
FB		 2868 set_ptr = &set;
2869 } else {
2870 how = 0;
2871 set_ptr = NULL;
2872 }
2873 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 2874 if (!is_error(ret) && arg3) {
2875 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2876 host_to_target_old_sigset(p, &oldset);
2877 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2878 }
2879 }
2880 break;
e5febef5 2881#endif
66fb9763
FB		 2882 case TARGET_NR_rt_sigprocmask:
2883 {
2884 int how = arg1;
2885 sigset_t set, oldset, *set_ptr;
66fb9763 2886
53a5960a 2887 if (arg2) {
66fb9763
FB		 2888 switch(how) {
2889 case TARGET_SIG_BLOCK:
2890 how = SIG_BLOCK;
2891 break;
2892 case TARGET_SIG_UNBLOCK:
2893 how = SIG_UNBLOCK;
2894 break;
2895 case TARGET_SIG_SETMASK:
2896 how = SIG_SETMASK;
2897 break;
2898 default:
2899 ret = -EINVAL;
2900 goto fail;
2901 }
53a5960a
PB		 2902 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2903 target_to_host_sigset(&set, p);
2904 unlock_user(p, arg2, 0);
66fb9763
FB		 2905 set_ptr = &set;
2906 } else {
2907 how = 0;
2908 set_ptr = NULL;
2909 }
2910 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 2911 if (!is_error(ret) && arg3) {
2912 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2913 host_to_target_sigset(p, &oldset);
2914 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2915 }
2916 }
2917 break;
e5febef5 2918#ifdef TARGET_NR_sigpending
66fb9763
FB		 2919 case TARGET_NR_sigpending:
2920 {
2921 sigset_t set;
2922 ret = get_errno(sigpending(&set));
2923 if (!is_error(ret)) {
53a5960a
PB		 2924 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2925 host_to_target_old_sigset(p, &set);
2926 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2927 }
2928 }
2929 break;
e5febef5 2930#endif
66fb9763
FB		 2931 case TARGET_NR_rt_sigpending:
2932 {
2933 sigset_t set;
2934 ret = get_errno(sigpending(&set));
2935 if (!is_error(ret)) {
53a5960a
PB		 2936 p = lock_user(arg1, sizeof(target_sigset_t), 0);
2937 host_to_target_sigset(p, &set);
2938 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 2939 }
2940 }
2941 break;
e5febef5 2942#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 2943 case TARGET_NR_sigsuspend:
2944 {
2945 sigset_t set;
53a5960a
PB		 2946 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2947 target_to_host_old_sigset(&set, p);
2948 unlock_user(p, arg1, 0);
66fb9763
FB		 2949 ret = get_errno(sigsuspend(&set));
2950 }
2951 break;
e5febef5 2952#endif
66fb9763
FB		 2953 case TARGET_NR_rt_sigsuspend:
2954 {
2955 sigset_t set;
53a5960a
PB		 2956 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2957 target_to_host_sigset(&set, p);
2958 unlock_user(p, arg1, 0);
66fb9763
FB		 2959 ret = get_errno(sigsuspend(&set));
2960 }
2961 break;
2962 case TARGET_NR_rt_sigtimedwait:
2963 {
66fb9763
FB		 2964 sigset_t set;
2965 struct timespec uts, *puts;
2966 siginfo_t uinfo;
2967
53a5960a
PB		 2968 p = lock_user(arg1, sizeof(target_sigset_t), 1);
2969 target_to_host_sigset(&set, p);
2970 unlock_user(p, arg1, 0);
2971 if (arg3) {
66fb9763 2972 puts = &uts;
53a5960a 2973 target_to_host_timespec(puts, arg3);
66fb9763
FB		 2974 } else {
2975 puts = NULL;
2976 }
2977 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 2978 if (!is_error(ret) && arg2) {
2979 p = lock_user(arg2, sizeof(target_sigset_t), 0);
2980 host_to_target_siginfo(p, &uinfo);
2981 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 2982 }
2983 }
2984 break;
2985 case TARGET_NR_rt_sigqueueinfo:
2986 {
2987 siginfo_t uinfo;
53a5960a
PB		 2988 p = lock_user(arg3, sizeof(target_sigset_t), 1);
2989 target_to_host_siginfo(&uinfo, p);
2990 unlock_user(p, arg1, 0);
66fb9763
FB		 2991 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
2992 }
2993 break;
e5febef5 2994#ifdef TARGET_NR_sigreturn
66fb9763
FB		 2995 case TARGET_NR_sigreturn:
2996 /* NOTE: ret is eax, so not transcoding must be done */
2997 ret = do_sigreturn(cpu_env);
2998 break;
e5febef5 2999#endif
66fb9763
FB		 3000 case TARGET_NR_rt_sigreturn:
3001 /* NOTE: ret is eax, so not transcoding must be done */
3002 ret = do_rt_sigreturn(cpu_env);
3003 break;
31e31b8a 3004 case TARGET_NR_sethostname:
53a5960a
PB		 3005 p = lock_user_string(arg1);
3006 ret = get_errno(sethostname(p, arg2));
3007 unlock_user(p, arg1, 0);
31e31b8a
FB		 3008 break;
3009 case TARGET_NR_setrlimit:
9de5e440
FB		 3010 {
3011 /* XXX: convert resource ? */
3012 int resource = arg1;
53a5960a 3013 struct target_rlimit *target_rlim;
9de5e440 3014 struct rlimit rlim;
53a5960a 3015 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3016 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3017 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 3018 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 3019 ret = get_errno(setrlimit(resource, &rlim));
3020 }
3021 break;
31e31b8a 3022 case TARGET_NR_getrlimit:
9de5e440
FB		 3023 {
3024 /* XXX: convert resource ? */
3025 int resource = arg1;
53a5960a 3026 struct target_rlimit *target_rlim;
9de5e440
FB		 3027 struct rlimit rlim;
3028
3029 ret = get_errno(getrlimit(resource, &rlim));
3030 if (!is_error(ret)) {
53a5960a
PB		 3031 lock_user_struct(target_rlim, arg2, 0);
3032 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3033 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3034 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3035 }
3036 }
3037 break;
31e31b8a 3038 case TARGET_NR_getrusage:
b409186b
FB		 3039 {
3040 struct rusage rusage;
b409186b
FB		 3041 ret = get_errno(getrusage(arg1, &rusage));
3042 if (!is_error(ret)) {
53a5960a 3043 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 3044 }
3045 }
3046 break;
31e31b8a
FB		 3047 case TARGET_NR_gettimeofday:
3048 {
31e31b8a
FB		 3049 struct timeval tv;
3050 ret = get_errno(gettimeofday(&tv, NULL));
3051 if (!is_error(ret)) {
53a5960a 3052 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 3053 }
3054 }
3055 break;
3056 case TARGET_NR_settimeofday:
3057 {
31e31b8a 3058 struct timeval tv;
53a5960a 3059 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 3060 ret = get_errno(settimeofday(&tv, NULL));
3061 }
3062 break;
048f6b4d 3063#ifdef TARGET_NR_select
31e31b8a 3064 case TARGET_NR_select:
f2674e31 3065 {
53a5960a
PB		 3066 struct target_sel_arg_struct *sel;
3067 target_ulong inp, outp, exp, tvp;
3068 long nsel;
3069
3070 lock_user_struct(sel, arg1, 1);
3071 nsel = tswapl(sel->n);
3072 inp = tswapl(sel->inp);
3073 outp = tswapl(sel->outp);
3074 exp = tswapl(sel->exp);
3075 tvp = tswapl(sel->tvp);
3076 unlock_user_struct(sel, arg1, 0);
3077 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 3078 }
3079 break;
048f6b4d 3080#endif
31e31b8a 3081 case TARGET_NR_symlink:
53a5960a
PB		 3082 {
3083 void *p2;
3084 p = lock_user_string(arg1);
3085 p2 = lock_user_string(arg2);
3086 ret = get_errno(symlink(p, p2));
3087 unlock_user(p2, arg2, 0);
3088 unlock_user(p, arg1, 0);
3089 }
31e31b8a 3090 break;
ebc05488 3091#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 3092 case TARGET_NR_oldlstat:
3093 goto unimplemented;
ebc05488 3094#endif
31e31b8a 3095 case TARGET_NR_readlink:
53a5960a
PB		 3096 {
3097 void *p2;
3098 p = lock_user_string(arg1);
3099 p2 = lock_user(arg2, arg3, 0);
3100 ret = get_errno(readlink(path(p), p2, arg3));
3101 unlock_user(p2, arg2, ret);
3102 unlock_user(p, arg1, 0);
3103 }
31e31b8a 3104 break;
e5febef5 3105#ifdef TARGET_NR_uselib
31e31b8a
FB		 3106 case TARGET_NR_uselib:
3107 goto unimplemented;
e5febef5
TS		 3108#endif
3109#ifdef TARGET_NR_swapon
31e31b8a 3110 case TARGET_NR_swapon:
53a5960a
PB		 3111 p = lock_user_string(arg1);
3112 ret = get_errno(swapon(p, arg2));
3113 unlock_user(p, arg1, 0);
31e31b8a 3114 break;
e5febef5 3115#endif
31e31b8a
FB		 3116 case TARGET_NR_reboot:
3117 goto unimplemented;
e5febef5 3118#ifdef TARGET_NR_readdir
31e31b8a
FB		 3119 case TARGET_NR_readdir:
3120 goto unimplemented;
e5febef5
TS		 3121#endif
3122#ifdef TARGET_NR_mmap
31e31b8a 3123 case TARGET_NR_mmap:
e6e5906b 3124#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
31e31b8a 3125 {
53a5960a
PB		 3126 target_ulong *v;
3127 target_ulong v1, v2, v3, v4, v5, v6;
3128 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
3129 v1 = tswapl(v[0]);
3130 v2 = tswapl(v[1]);
3131 v3 = tswapl(v[2]);
3132 v4 = tswapl(v[3]);
3133 v5 = tswapl(v[4]);
3134 v6 = tswapl(v[5]);
3135 unlock_user(v, arg1, 0);
5286db75
FB		 3136 ret = get_errno(target_mmap(v1, v2, v3,
3137 target_to_host_bitmask(v4, mmap_flags_tbl),
3138 v5, v6));
31e31b8a 3139 }
31e31b8a 3140#else
6fb883e8
FB		 3141 ret = get_errno(target_mmap(arg1, arg2, arg3,
3142 target_to_host_bitmask(arg4, mmap_flags_tbl),
3143 arg5,
3144 arg6));
31e31b8a 3145#endif
6fb883e8 3146 break;
e5febef5 3147#endif
a315a145 3148#ifdef TARGET_NR_mmap2
6fb883e8 3149 case TARGET_NR_mmap2:
0d3267a7 3150#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 3151#define MMAP_SHIFT 12
3152#else
3153#define MMAP_SHIFT TARGET_PAGE_BITS
3154#endif
5286db75
FB		 3155 ret = get_errno(target_mmap(arg1, arg2, arg3,
3156 target_to_host_bitmask(arg4, mmap_flags_tbl),
3157 arg5,
c573ff67 3158 arg6 << MMAP_SHIFT));
31e31b8a 3159 break;
a315a145 3160#endif
31e31b8a 3161 case TARGET_NR_munmap:
54936004 3162 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 3163 break;
9de5e440 3164 case TARGET_NR_mprotect:
54936004 3165 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 3166 break;
e5febef5 3167#ifdef TARGET_NR_mremap
9de5e440 3168 case TARGET_NR_mremap:
54936004 3169 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 3170 break;
e5febef5 3171#endif
53a5960a 3172 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 3173#ifdef TARGET_NR_msync
9de5e440 3174 case TARGET_NR_msync:
53a5960a 3175 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 3176 break;
e5febef5
TS		 3177#endif
3178#ifdef TARGET_NR_mlock
9de5e440 3179 case TARGET_NR_mlock:
53a5960a 3180 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 3181 break;
e5febef5
TS		 3182#endif
3183#ifdef TARGET_NR_munlock
9de5e440 3184 case TARGET_NR_munlock:
53a5960a 3185 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 3186 break;
e5febef5
TS		 3187#endif
3188#ifdef TARGET_NR_mlockall
9de5e440
FB		 3189 case TARGET_NR_mlockall:
3190 ret = get_errno(mlockall(arg1));
3191 break;
e5febef5
TS		 3192#endif
3193#ifdef TARGET_NR_munlockall
9de5e440
FB		 3194 case TARGET_NR_munlockall:
3195 ret = get_errno(munlockall());
3196 break;
e5febef5 3197#endif
31e31b8a 3198 case TARGET_NR_truncate:
53a5960a
PB		 3199 p = lock_user_string(arg1);
3200 ret = get_errno(truncate(p, arg2));
3201 unlock_user(p, arg1, 0);
31e31b8a
FB		 3202 break;
3203 case TARGET_NR_ftruncate:
3204 ret = get_errno(ftruncate(arg1, arg2));
3205 break;
3206 case TARGET_NR_fchmod:
3207 ret = get_errno(fchmod(arg1, arg2));
3208 break;
31e31b8a
FB		 3209 case TARGET_NR_getpriority:
3210 ret = get_errno(getpriority(arg1, arg2));
3211 break;
3212 case TARGET_NR_setpriority:
3213 ret = get_errno(setpriority(arg1, arg2, arg3));
3214 break;
ebc05488 3215#ifdef TARGET_NR_profil
31e31b8a
FB		 3216 case TARGET_NR_profil:
3217 goto unimplemented;
ebc05488 3218#endif
31e31b8a 3219 case TARGET_NR_statfs:
53a5960a
PB		 3220 p = lock_user_string(arg1);
3221 ret = get_errno(statfs(path(p), &stfs));
3222 unlock_user(p, arg1, 0);
31e31b8a
FB		 3223 convert_statfs:
3224 if (!is_error(ret)) {
53a5960a 3225 struct target_statfs *target_stfs;
56c8f68f 3226
53a5960a
PB		 3227 lock_user_struct(target_stfs, arg2, 0);
3228 /* ??? put_user is probably wrong. */
56c8f68f
FB		 3229 put_user(stfs.f_type, &target_stfs->f_type);
3230 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3231 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3232 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3233 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3234 put_user(stfs.f_files, &target_stfs->f_files);
3235 put_user(stfs.f_ffree, &target_stfs->f_ffree);
3236 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3237 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 3238 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 3239 }
3240 break;
3241 case TARGET_NR_fstatfs:
56c8f68f 3242 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 3243 goto convert_statfs;
56c8f68f
FB		 3244#ifdef TARGET_NR_statfs64
3245 case TARGET_NR_statfs64:
53a5960a
PB		 3246 p = lock_user_string(arg1);
3247 ret = get_errno(statfs(path(p), &stfs));
3248 unlock_user(p, arg1, 0);
56c8f68f
FB		 3249 convert_statfs64:
3250 if (!is_error(ret)) {
53a5960a
PB		 3251 struct target_statfs64 *target_stfs;
3252
3253 lock_user_struct(target_stfs, arg3, 0);
3254 /* ??? put_user is probably wrong. */
56c8f68f
FB		 3255 put_user(stfs.f_type, &target_stfs->f_type);
3256 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3257 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3258 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3259 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3260 put_user(stfs.f_files, &target_stfs->f_files);
3261 put_user(stfs.f_ffree, &target_stfs->f_ffree);
3262 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3263 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 3264 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 3265 }
3266 break;
3267 case TARGET_NR_fstatfs64:
3268 ret = get_errno(fstatfs(arg1, &stfs));
3269 goto convert_statfs64;
3270#endif
ebc05488 3271#ifdef TARGET_NR_ioperm
31e31b8a
FB		 3272 case TARGET_NR_ioperm:
3273 goto unimplemented;
ebc05488 3274#endif
e5febef5 3275#ifdef TARGET_NR_socketcall
31e31b8a 3276 case TARGET_NR_socketcall:
53a5960a 3277 ret = do_socketcall(arg1, arg2);
31e31b8a 3278 break;
e5febef5 3279#endif
3532fa74
FB		 3280#ifdef TARGET_NR_accept
3281 case TARGET_NR_accept:
1be9e1dc 3282 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 3283 break;
3284#endif
3285#ifdef TARGET_NR_bind
3286 case TARGET_NR_bind:
3287 ret = do_bind(arg1, arg2, arg3);
3288 break;
3289#endif
3290#ifdef TARGET_NR_connect
3291 case TARGET_NR_connect:
3292 ret = do_connect(arg1, arg2, arg3);
3293 break;
3294#endif
3295#ifdef TARGET_NR_getpeername
3296 case TARGET_NR_getpeername:
1be9e1dc 3297 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 3298 break;
3299#endif
3300#ifdef TARGET_NR_getsockname
3301 case TARGET_NR_getsockname:
1be9e1dc 3302 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 3303 break;
3304#endif
3305#ifdef TARGET_NR_getsockopt
3306 case TARGET_NR_getsockopt:
3307 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
3308 break;
3309#endif
3310#ifdef TARGET_NR_listen
3311 case TARGET_NR_listen:
1be9e1dc 3312 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 3313 break;
3314#endif
3315#ifdef TARGET_NR_recv
3316 case TARGET_NR_recv:
214201bd 3317 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3318 break;
3319#endif
3320#ifdef TARGET_NR_recvfrom
3321 case TARGET_NR_recvfrom:
214201bd 3322 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3323 break;
3324#endif
3325#ifdef TARGET_NR_recvmsg
3326 case TARGET_NR_recvmsg:
3327 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3328 break;
3329#endif
3330#ifdef TARGET_NR_send
3331 case TARGET_NR_send:
1be9e1dc 3332 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3333 break;
3334#endif
3335#ifdef TARGET_NR_sendmsg
3336 case TARGET_NR_sendmsg:
3337 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3338 break;
3339#endif
3340#ifdef TARGET_NR_sendto
3341 case TARGET_NR_sendto:
1be9e1dc 3342 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3343 break;
3344#endif
3345#ifdef TARGET_NR_shutdown
3346 case TARGET_NR_shutdown:
1be9e1dc 3347 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 3348 break;
3349#endif
3350#ifdef TARGET_NR_socket
3351 case TARGET_NR_socket:
3352 ret = do_socket(arg1, arg2, arg3);
3353 break;
3354#endif
3355#ifdef TARGET_NR_socketpair
3356 case TARGET_NR_socketpair:
1be9e1dc 3357 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 3358 break;
3359#endif
3360#ifdef TARGET_NR_setsockopt
3361 case TARGET_NR_setsockopt:
3362 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3363 break;
3364#endif
7494b0f9 3365
31e31b8a 3366 case TARGET_NR_syslog:
e5574487
TS		 3367 p = lock_user_string(arg2);
3368 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3369 unlock_user(p, arg2, 0);
7494b0f9
TS		 3370 break;
3371
31e31b8a 3372 case TARGET_NR_setitimer:
66fb9763 3373 {
66fb9763
FB		 3374 struct itimerval value, ovalue, *pvalue;
3375
53a5960a 3376 if (arg2) {
66fb9763
FB		 3377 pvalue = &value;
3378 target_to_host_timeval(&pvalue->it_interval,
53a5960a 3379 arg2);
66fb9763 3380 target_to_host_timeval(&pvalue->it_value,
53a5960a 3381 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 3382 } else {
3383 pvalue = NULL;
3384 }
3385 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 3386 if (!is_error(ret) && arg3) {
3387 host_to_target_timeval(arg3,
66fb9763 3388 &ovalue.it_interval);
53a5960a 3389 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 3390 &ovalue.it_value);
3391 }
3392 }
3393 break;
31e31b8a 3394 case TARGET_NR_getitimer:
66fb9763 3395 {
66fb9763
FB		 3396 struct itimerval value;
3397
3398 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 3399 if (!is_error(ret) && arg2) {
3400 host_to_target_timeval(arg2,
66fb9763 3401 &value.it_interval);
53a5960a 3402 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 3403 &value.it_value);
3404 }
3405 }
3406 break;
31e31b8a 3407 case TARGET_NR_stat:
53a5960a
PB		 3408 p = lock_user_string(arg1);
3409 ret = get_errno(stat(path(p), &st));
3410 unlock_user(p, arg1, 0);
31e31b8a
FB		 3411 goto do_stat;
3412 case TARGET_NR_lstat:
53a5960a
PB		 3413 p = lock_user_string(arg1);
3414 ret = get_errno(lstat(path(p), &st));
3415 unlock_user(p, arg1, 0);
31e31b8a
FB		 3416 goto do_stat;
3417 case TARGET_NR_fstat:
3418 {
3419 ret = get_errno(fstat(arg1, &st));
3420 do_stat:
3421 if (!is_error(ret)) {
53a5960a 3422 struct target_stat *target_st;
e3584658 3423
53a5960a 3424 lock_user_struct(target_st, arg2, 0);
e3584658
TS		 3425#if defined(TARGET_MIPS)
3426 target_st->st_dev = tswap32(st.st_dev);
3427#else
31e31b8a 3428 target_st->st_dev = tswap16(st.st_dev);
e3584658 3429#endif
31e31b8a 3430 target_st->st_ino = tswapl(st.st_ino);
7d600c80 3431#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 3432 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3433 target_st->st_uid = tswap32(st.st_uid);
3434 target_st->st_gid = tswap32(st.st_gid);
3435#else
ec86b0fb 3436 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 3437 target_st->st_uid = tswap16(st.st_uid);
3438 target_st->st_gid = tswap16(st.st_gid);
67867308 3439#endif
e3584658
TS		 3440#if defined(TARGET_MIPS)
3441 /* If this is the same on PPC, then just merge w/ the above ifdef */
3442 target_st->st_nlink = tswapl(st.st_nlink);
3443 target_st->st_rdev = tswapl(st.st_rdev);
3444#else
67867308 3445 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a 3446 target_st->st_rdev = tswap16(st.st_rdev);
e3584658 3447#endif
31e31b8a
FB		 3448 target_st->st_size = tswapl(st.st_size);
3449 target_st->st_blksize = tswapl(st.st_blksize);
3450 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 3451 target_st->target_st_atime = tswapl(st.st_atime);
3452 target_st->target_st_mtime = tswapl(st.st_mtime);
3453 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 3454 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 3455 }
3456 }
3457 break;
ebc05488 3458#ifdef TARGET_NR_olduname
31e31b8a
FB		 3459 case TARGET_NR_olduname:
3460 goto unimplemented;
ebc05488
FB		 3461#endif
3462#ifdef TARGET_NR_iopl
31e31b8a
FB		 3463 case TARGET_NR_iopl:
3464 goto unimplemented;
ebc05488 3465#endif
31e31b8a
FB		 3466 case TARGET_NR_vhangup:
3467 ret = get_errno(vhangup());
3468 break;
ebc05488 3469#ifdef TARGET_NR_idle
31e31b8a
FB		 3470 case TARGET_NR_idle:
3471 goto unimplemented;
42ad6ae9
FB		 3472#endif
3473#ifdef TARGET_NR_syscall
3474 case TARGET_NR_syscall:
3475 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3476 break;
ebc05488 3477#endif
31e31b8a
FB		 3478 case TARGET_NR_wait4:
3479 {
3480 int status;
53a5960a 3481 target_long status_ptr = arg2;
31e31b8a 3482 struct rusage rusage, *rusage_ptr;
53a5960a 3483 target_ulong target_rusage = arg4;
31e31b8a
FB		 3484 if (target_rusage)
3485 rusage_ptr = &rusage;
3486 else
3487 rusage_ptr = NULL;
3488 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3489 if (!is_error(ret)) {
3490 if (status_ptr)
53a5960a 3491 tputl(status_ptr, status);
31e31b8a 3492 if (target_rusage) {
b409186b 3493 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 3494 }
3495 }
3496 }
3497 break;
e5febef5 3498#ifdef TARGET_NR_swapoff
31e31b8a 3499 case TARGET_NR_swapoff:
53a5960a
PB		 3500 p = lock_user_string(arg1);
3501 ret = get_errno(swapoff(p));
3502 unlock_user(p, arg1, 0);
31e31b8a 3503 break;
e5febef5 3504#endif
31e31b8a 3505 case TARGET_NR_sysinfo:
a5448a7d 3506 {
53a5960a 3507 struct target_sysinfo *target_value;
a5448a7d
FB		 3508 struct sysinfo value;
3509 ret = get_errno(sysinfo(&value));
53a5960a 3510 if (!is_error(ret) && arg1)
a5448a7d 3511 {
53a5960a
PB		 3512 /* ??? __put_user is probably wrong. */
3513 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3514 __put_user(value.uptime, &target_value->uptime);
3515 __put_user(value.loads[0], &target_value->loads[0]);
3516 __put_user(value.loads[1], &target_value->loads[1]);
3517 __put_user(value.loads[2], &target_value->loads[2]);
3518 __put_user(value.totalram, &target_value->totalram);
3519 __put_user(value.freeram, &target_value->freeram);
3520 __put_user(value.sharedram, &target_value->sharedram);
3521 __put_user(value.bufferram, &target_value->bufferram);
3522 __put_user(value.totalswap, &target_value->totalswap);
3523 __put_user(value.freeswap, &target_value->freeswap);
3524 __put_user(value.procs, &target_value->procs);
3525 __put_user(value.totalhigh, &target_value->totalhigh);
3526 __put_user(value.freehigh, &target_value->freehigh);
3527 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 3528 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 3529 }
3530 }
3531 break;
e5febef5 3532#ifdef TARGET_NR_ipc
31e31b8a 3533 case TARGET_NR_ipc:
8853f86e
FB		 3534 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3535 break;
e5febef5 3536#endif
31e31b8a
FB		 3537 case TARGET_NR_fsync:
3538 ret = get_errno(fsync(arg1));
3539 break;
31e31b8a 3540 case TARGET_NR_clone:
1b6b029e
FB		 3541 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3542 break;
ec86b0fb
FB		 3543#ifdef __NR_exit_group
3544 /* new thread calls */
3545 case TARGET_NR_exit_group:
e9009676 3546 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 3547 ret = get_errno(exit_group(arg1));
3548 break;
3549#endif
31e31b8a 3550 case TARGET_NR_setdomainname:
53a5960a
PB		 3551 p = lock_user_string(arg1);
3552 ret = get_errno(setdomainname(p, arg2));
3553 unlock_user(p, arg1, 0);
31e31b8a
FB		 3554 break;
3555 case TARGET_NR_uname:
3556 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 3557 {
3558 struct new_utsname * buf;
3559
53a5960a 3560 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 3561 ret = get_errno(sys_uname(buf));
3562 if (!is_error(ret)) {
3563 /* Overrite the native machine name with whatever is being
3564 emulated. */
3565 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 3566 /* Allow the user to override the reported release. */
3567 if (qemu_uname_release && *qemu_uname_release)
3568 strcpy (buf->release, qemu_uname_release);
29e619b1 3569 }
53a5960a 3570 unlock_user_struct(buf, arg1, 1);
29e619b1 3571 }
31e31b8a 3572 break;
6dbad63e 3573#ifdef TARGET_I386
31e31b8a 3574 case TARGET_NR_modify_ldt:
53a5960a 3575 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b 3576 break;
84409ddb 3577#if !defined(TARGET_X86_64)
5cd4393b
FB		 3578 case TARGET_NR_vm86old:
3579 goto unimplemented;
3580 case TARGET_NR_vm86:
53a5960a 3581 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 3582 break;
84409ddb 3583#endif
6dbad63e 3584#endif
31e31b8a
FB		 3585 case TARGET_NR_adjtimex:
3586 goto unimplemented;
e5febef5 3587#ifdef TARGET_NR_create_module
31e31b8a 3588 case TARGET_NR_create_module:
e5febef5 3589#endif
31e31b8a
FB		 3590 case TARGET_NR_init_module:
3591 case TARGET_NR_delete_module:
e5febef5 3592#ifdef TARGET_NR_get_kernel_syms
31e31b8a 3593 case TARGET_NR_get_kernel_syms:
e5febef5 3594#endif
31e31b8a
FB		 3595 goto unimplemented;
3596 case TARGET_NR_quotactl:
3597 goto unimplemented;
3598 case TARGET_NR_getpgid:
3599 ret = get_errno(getpgid(arg1));
3600 break;
3601 case TARGET_NR_fchdir:
3602 ret = get_errno(fchdir(arg1));
3603 break;
84409ddb 3604#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 3605 case TARGET_NR_bdflush:
3606 goto unimplemented;
84409ddb 3607#endif
e5febef5 3608#ifdef TARGET_NR_sysfs
31e31b8a
FB		 3609 case TARGET_NR_sysfs:
3610 goto unimplemented;
e5febef5 3611#endif
31e31b8a 3612 case TARGET_NR_personality:
1b6b029e 3613 ret = get_errno(personality(arg1));
31e31b8a 3614 break;
e5febef5 3615#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 3616 case TARGET_NR_afs_syscall:
3617 goto unimplemented;
e5febef5 3618#endif
7a3148a9 3619#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 3620 case TARGET_NR__llseek:
3621 {
4f2ac237
FB		 3622#if defined (__x86_64__)
3623 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 3624 tput64(arg4, ret);
4f2ac237 3625#else
31e31b8a
FB		 3626 int64_t res;
3627 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 3628 tput64(arg4, res);
4f2ac237 3629#endif
31e31b8a
FB		 3630 }
3631 break;
7a3148a9 3632#endif
31e31b8a
FB		 3633 case TARGET_NR_getdents:
3634#if TARGET_LONG_SIZE != 4
53a5960a 3635 goto unimplemented;
a315a145 3636#warning not supported
4add45b4
FB		 3637#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3638 {
53a5960a 3639 struct target_dirent *target_dirp;
4add45b4
FB		 3640 struct dirent *dirp;
3641 long count = arg3;
3642
3643 dirp = malloc(count);
3644 if (!dirp)
3645 return -ENOMEM;
3646
3647 ret = get_errno(sys_getdents(arg1, dirp, count));
3648 if (!is_error(ret)) {
3649 struct dirent *de;
3650 struct target_dirent *tde;
3651 int len = ret;
3652 int reclen, treclen;
3653 int count1, tnamelen;
3654
3655 count1 = 0;
3656 de = dirp;
53a5960a 3657 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 3658 tde = target_dirp;
3659 while (len > 0) {
3660 reclen = de->d_reclen;
3661 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3662 tde->d_reclen = tswap16(treclen);
3663 tde->d_ino = tswapl(de->d_ino);
3664 tde->d_off = tswapl(de->d_off);
3665 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3666 if (tnamelen > 256)
3667 tnamelen = 256;
80a9d035 3668 /* XXX: may not be correct */
4add45b4
FB		 3669 strncpy(tde->d_name, de->d_name, tnamelen);
3670 de = (struct dirent *)((char *)de + reclen);
3671 len -= reclen;
1c5bf3bf 3672 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 3673 count1 += treclen;
3674 }
3675 ret = count1;
3676 }
53a5960a 3677 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 3678 free(dirp);
3679 }
3680#else
31e31b8a 3681 {
53a5960a 3682 struct dirent *dirp;
31e31b8a 3683 long count = arg3;
dab2ed99 3684
53a5960a 3685 dirp = lock_user(arg2, count, 0);
72f03900 3686 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 3687 if (!is_error(ret)) {
3688 struct dirent *de;
3689 int len = ret;
3690 int reclen;
3691 de = dirp;
3692 while (len > 0) {
8083a3e5 3693 reclen = de->d_reclen;
31e31b8a
FB		 3694 if (reclen > len)
3695 break;
8083a3e5 3696 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 3697 tswapls(&de->d_ino);
3698 tswapls(&de->d_off);
3699 de = (struct dirent *)((char *)de + reclen);
3700 len -= reclen;
3701 }
3702 }
53a5960a 3703 unlock_user(dirp, arg2, ret);
31e31b8a 3704 }
4add45b4 3705#endif
31e31b8a 3706 break;
a541f297 3707#ifdef TARGET_NR_getdents64
dab2ed99
FB		 3708 case TARGET_NR_getdents64:
3709 {
53a5960a 3710 struct dirent64 *dirp;
dab2ed99 3711 long count = arg3;
53a5960a 3712 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 3713 ret = get_errno(sys_getdents64(arg1, dirp, count));
3714 if (!is_error(ret)) {
3715 struct dirent64 *de;
3716 int len = ret;
3717 int reclen;
3718 de = dirp;
3719 while (len > 0) {
8083a3e5 3720 reclen = de->d_reclen;
dab2ed99
FB		 3721 if (reclen > len)
3722 break;
8083a3e5 3723 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 3724 tswap64s(&de->d_ino);
3725 tswap64s(&de->d_off);
3726 de = (struct dirent64 *)((char *)de + reclen);
3727 len -= reclen;
3728 }
3729 }
53a5960a 3730 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 3731 }
3732 break;
a541f297 3733#endif /* TARGET_NR_getdents64 */
e5febef5 3734#ifdef TARGET_NR__newselect
31e31b8a 3735 case TARGET_NR__newselect:
53a5960a 3736 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 3737 break;
e5febef5
TS		 3738#endif
3739#ifdef TARGET_NR_poll
9de5e440
FB		 3740 case TARGET_NR_poll:
3741 {
53a5960a 3742 struct target_pollfd *target_pfd;
9de5e440
FB		 3743 unsigned int nfds = arg2;
3744 int timeout = arg3;
3745 struct pollfd *pfd;
7854b056 3746 unsigned int i;
9de5e440 3747
53a5960a 3748 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 3749 pfd = alloca(sizeof(struct pollfd) * nfds);
3750 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 3751 pfd[i].fd = tswap32(target_pfd[i].fd);
3752 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 3753 }
3754 ret = get_errno(poll(pfd, nfds, timeout));
3755 if (!is_error(ret)) {
3756 for(i = 0; i < nfds; i++) {
5cd4393b 3757 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 3758 }
53a5960a
PB		 3759 ret += nfds * (sizeof(struct target_pollfd)
3760 - sizeof(struct pollfd));
9de5e440 3761 }
53a5960a 3762 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 3763 }
3764 break;
e5febef5 3765#endif
31e31b8a 3766 case TARGET_NR_flock:
9de5e440
FB		 3767 /* NOTE: the flock constant seems to be the same for every
3768 Linux platform */
3769 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 3770 break;
3771 case TARGET_NR_readv:
3772 {
3773 int count = arg3;
31e31b8a 3774 struct iovec *vec;
31e31b8a
FB		 3775
3776 vec = alloca(count * sizeof(struct iovec));
53a5960a 3777 lock_iovec(vec, arg2, count, 0);
31e31b8a 3778 ret = get_errno(readv(arg1, vec, count));
53a5960a 3779 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 3780 }
3781 break;
3782 case TARGET_NR_writev:
3783 {
3784 int count = arg3;
31e31b8a 3785 struct iovec *vec;
31e31b8a
FB		 3786
3787 vec = alloca(count * sizeof(struct iovec));
53a5960a 3788 lock_iovec(vec, arg2, count, 1);
31e31b8a 3789 ret = get_errno(writev(arg1, vec, count));
53a5960a 3790 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 3791 }
3792 break;
3793 case TARGET_NR_getsid:
3794 ret = get_errno(getsid(arg1));
3795 break;
7a3148a9 3796#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 3797 case TARGET_NR_fdatasync:
5cd4393b
FB		 3798 ret = get_errno(fdatasync(arg1));
3799 break;
7a3148a9 3800#endif
31e31b8a 3801 case TARGET_NR__sysctl:
29e619b1
FB		 3802 /* We don't implement this, but ENODIR is always a safe
3803 return value. */
3804 return -ENOTDIR;
31e31b8a 3805 case TARGET_NR_sched_setparam:
5cd4393b 3806 {
53a5960a 3807 struct sched_param *target_schp;
5cd4393b 3808 struct sched_param schp;
53a5960a
PB		 3809
3810 lock_user_struct(target_schp, arg2, 1);
5cd4393b 3811 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3812 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 3813 ret = get_errno(sched_setparam(arg1, &schp));
3814 }
3815 break;
31e31b8a 3816 case TARGET_NR_sched_getparam:
5cd4393b 3817 {
53a5960a 3818 struct sched_param *target_schp;
5cd4393b
FB		 3819 struct sched_param schp;
3820 ret = get_errno(sched_getparam(arg1, &schp));
3821 if (!is_error(ret)) {
53a5960a 3822 lock_user_struct(target_schp, arg2, 0);
5cd4393b 3823 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 3824 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 3825 }
3826 }
3827 break;
31e31b8a 3828 case TARGET_NR_sched_setscheduler:
5cd4393b 3829 {
53a5960a 3830 struct sched_param *target_schp;
5cd4393b 3831 struct sched_param schp;
53a5960a 3832 lock_user_struct(target_schp, arg3, 1);
5cd4393b 3833 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3834 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 3835 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3836 }
3837 break;
31e31b8a 3838 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 3839 ret = get_errno(sched_getscheduler(arg1));
3840 break;
31e31b8a
FB		 3841 case TARGET_NR_sched_yield:
3842 ret = get_errno(sched_yield());
3843 break;
3844 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 3845 ret = get_errno(sched_get_priority_max(arg1));
3846 break;
31e31b8a 3847 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 3848 ret = get_errno(sched_get_priority_min(arg1));
3849 break;
31e31b8a 3850 case TARGET_NR_sched_rr_get_interval:
5cd4393b 3851 {
5cd4393b
FB		 3852 struct timespec ts;
3853 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3854 if (!is_error(ret)) {
53a5960a 3855 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 3856 }
3857 }
3858 break;
31e31b8a 3859 case TARGET_NR_nanosleep:
1b6b029e 3860 {
1b6b029e 3861 struct timespec req, rem;
53a5960a 3862 target_to_host_timespec(&req, arg1);
1b6b029e 3863 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 3864 if (is_error(ret) && arg2) {
3865 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 3866 }
3867 }
3868 break;
e5febef5 3869#ifdef TARGET_NR_query_module
31e31b8a 3870 case TARGET_NR_query_module:
5cd4393b 3871 goto unimplemented;
e5febef5
TS		 3872#endif
3873#ifdef TARGET_NR_nfsservctl
31e31b8a 3874 case TARGET_NR_nfsservctl:
5cd4393b 3875 goto unimplemented;
e5febef5 3876#endif
31e31b8a 3877 case TARGET_NR_prctl:
e5574487
TS		 3878 switch (arg1)
3879 {
3880 case PR_GET_PDEATHSIG:
3881 {
3882 int deathsig;
3883 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3884 if (!is_error(ret) && arg2)
3885 tput32(arg2, deathsig);
3886 }
3887 break;
3888 default:
3889 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
3890 break;
3891 }
39b9aae1 3892 break;
67867308 3893#ifdef TARGET_NR_pread
31e31b8a 3894 case TARGET_NR_pread:
53a5960a
PB		 3895 page_unprotect_range(arg2, arg3);
3896 p = lock_user(arg2, arg3, 0);
3897 ret = get_errno(pread(arg1, p, arg3, arg4));
3898 unlock_user(p, arg2, ret);
206f0fa7 3899 break;
31e31b8a 3900 case TARGET_NR_pwrite:
53a5960a
PB		 3901 p = lock_user(arg2, arg3, 1);
3902 ret = get_errno(pwrite(arg1, p, arg3, arg4));
3903 unlock_user(p, arg2, 0);
206f0fa7 3904 break;
67867308 3905#endif
31e31b8a 3906 case TARGET_NR_getcwd:
53a5960a
PB		 3907 p = lock_user(arg1, arg2, 0);
3908 ret = get_errno(sys_getcwd1(p, arg2));
3909 unlock_user(p, arg1, ret);
31e31b8a
FB		 3910 break;
3911 case TARGET_NR_capget:
5cd4393b 3912 goto unimplemented;
31e31b8a 3913 case TARGET_NR_capset:
5cd4393b 3914 goto unimplemented;
31e31b8a 3915 case TARGET_NR_sigaltstack:
5cd4393b 3916 goto unimplemented;
31e31b8a 3917 case TARGET_NR_sendfile:
5cd4393b 3918 goto unimplemented;
ebc05488 3919#ifdef TARGET_NR_getpmsg
31e31b8a 3920 case TARGET_NR_getpmsg:
5cd4393b 3921 goto unimplemented;
ebc05488
FB		 3922#endif
3923#ifdef TARGET_NR_putpmsg
31e31b8a 3924 case TARGET_NR_putpmsg:
5cd4393b 3925 goto unimplemented;
ebc05488 3926#endif
048f6b4d 3927#ifdef TARGET_NR_vfork
31e31b8a 3928 case TARGET_NR_vfork:
1b6b029e 3929 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 3930 break;
048f6b4d 3931#endif
ebc05488 3932#ifdef TARGET_NR_ugetrlimit
31e31b8a 3933 case TARGET_NR_ugetrlimit:
728584be
FB		 3934 {
3935 struct rlimit rlim;
3936 ret = get_errno(getrlimit(arg1, &rlim));
3937 if (!is_error(ret)) {
53a5960a
PB		 3938 struct target_rlimit *target_rlim;
3939 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 3940 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
3941 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 3942 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 3943 }
3944 break;
3945 }
ebc05488 3946#endif
a315a145 3947#ifdef TARGET_NR_truncate64
31e31b8a 3948 case TARGET_NR_truncate64:
53a5960a
PB		 3949 p = lock_user_string(arg1);
3950 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
3951 unlock_user(p, arg1, 0);
667f38b1 3952 break;
a315a145
FB		 3953#endif
3954#ifdef TARGET_NR_ftruncate64
31e31b8a 3955 case TARGET_NR_ftruncate64:
ce4defa0 3956 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 3957 break;
a315a145
FB		 3958#endif
3959#ifdef TARGET_NR_stat64
31e31b8a 3960 case TARGET_NR_stat64:
53a5960a
PB		 3961 p = lock_user_string(arg1);
3962 ret = get_errno(stat(path(p), &st));
3963 unlock_user(p, arg1, 0);
60cd49d5 3964 goto do_stat64;
a315a145
FB		 3965#endif
3966#ifdef TARGET_NR_lstat64
31e31b8a 3967 case TARGET_NR_lstat64:
53a5960a
PB		 3968 p = lock_user_string(arg1);
3969 ret = get_errno(lstat(path(p), &st));
3970 unlock_user(p, arg1, 0);
60cd49d5 3971 goto do_stat64;
a315a145
FB		 3972#endif
3973#ifdef TARGET_NR_fstat64
31e31b8a 3974 case TARGET_NR_fstat64:
60cd49d5
FB		 3975 {
3976 ret = get_errno(fstat(arg1, &st));
3977 do_stat64:
3978 if (!is_error(ret)) {
ce4defa0
PB		 3979#ifdef TARGET_ARM
3980 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 3981 struct target_eabi_stat64 *target_st;
3982 lock_user_struct(target_st, arg2, 1);
ce4defa0 3983 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 3984 /* put_user is probably wrong. */
ce4defa0
PB		 3985 put_user(st.st_dev, &target_st->st_dev);
3986 put_user(st.st_ino, &target_st->st_ino);
3987#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3988 put_user(st.st_ino, &target_st->__st_ino);
3989#endif
3990 put_user(st.st_mode, &target_st->st_mode);
3991 put_user(st.st_nlink, &target_st->st_nlink);
3992 put_user(st.st_uid, &target_st->st_uid);
3993 put_user(st.st_gid, &target_st->st_gid);
3994 put_user(st.st_rdev, &target_st->st_rdev);
3995 /* XXX: better use of kernel struct */
3996 put_user(st.st_size, &target_st->st_size);
3997 put_user(st.st_blksize, &target_st->st_blksize);
3998 put_user(st.st_blocks, &target_st->st_blocks);
3999 put_user(st.st_atime, &target_st->target_st_atime);
4000 put_user(st.st_mtime, &target_st->target_st_mtime);
4001 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4002 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 4003 } else
4004#endif
4005 {
53a5960a
PB		 4006 struct target_stat64 *target_st;
4007 lock_user_struct(target_st, arg2, 1);
ce4defa0 4008 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 4009 /* ??? put_user is probably wrong. */
ce4defa0
PB		 4010 put_user(st.st_dev, &target_st->st_dev);
4011 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 4012#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 4013 put_user(st.st_ino, &target_st->__st_ino);
4014#endif
4015 put_user(st.st_mode, &target_st->st_mode);
4016 put_user(st.st_nlink, &target_st->st_nlink);
4017 put_user(st.st_uid, &target_st->st_uid);
4018 put_user(st.st_gid, &target_st->st_gid);
4019 put_user(st.st_rdev, &target_st->st_rdev);
4020 /* XXX: better use of kernel struct */
4021 put_user(st.st_size, &target_st->st_size);
4022 put_user(st.st_blksize, &target_st->st_blksize);
4023 put_user(st.st_blocks, &target_st->st_blocks);
4024 put_user(st.st_atime, &target_st->target_st_atime);
4025 put_user(st.st_mtime, &target_st->target_st_mtime);
4026 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4027 unlock_user_struct(target_st, arg2, 0);
ce4defa0 4028 }
60cd49d5
FB		 4029 }
4030 }
4031 break;
a315a145 4032#endif
67867308
FB		 4033#ifdef USE_UID16
4034 case TARGET_NR_lchown:
53a5960a
PB		 4035 p = lock_user_string(arg1);
4036 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
4037 unlock_user(p, arg1, 0);
67867308
FB		 4038 break;
4039 case TARGET_NR_getuid:
4040 ret = get_errno(high2lowuid(getuid()));
4041 break;
4042 case TARGET_NR_getgid:
4043 ret = get_errno(high2lowgid(getgid()));
4044 break;
4045 case TARGET_NR_geteuid:
4046 ret = get_errno(high2lowuid(geteuid()));
4047 break;
4048 case TARGET_NR_getegid:
4049 ret = get_errno(high2lowgid(getegid()));
4050 break;
4051 case TARGET_NR_setreuid:
4052 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
4053 break;
4054 case TARGET_NR_setregid:
4055 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
4056 break;
4057 case TARGET_NR_getgroups:
4058 {
4059 int gidsetsize = arg1;
53a5960a 4060 uint16_t *target_grouplist;
67867308
FB		 4061 gid_t *grouplist;
4062 int i;
4063
4064 grouplist = alloca(gidsetsize * sizeof(gid_t));
4065 ret = get_errno(getgroups(gidsetsize, grouplist));
4066 if (!is_error(ret)) {
53a5960a 4067 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 4068 for(i = 0;i < gidsetsize; i++)
4069 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 4070 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 4071 }
4072 }
4073 break;
4074 case TARGET_NR_setgroups:
4075 {
4076 int gidsetsize = arg1;
53a5960a 4077 uint16_t *target_grouplist;
67867308
FB		 4078 gid_t *grouplist;
4079 int i;
4080
4081 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 4082 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 4083 for(i = 0;i < gidsetsize; i++)
4084 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 4085 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 4086 ret = get_errno(setgroups(gidsetsize, grouplist));
4087 }
4088 break;
4089 case TARGET_NR_fchown:
4090 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
4091 break;
4092#ifdef TARGET_NR_setresuid
4093 case TARGET_NR_setresuid:
4094 ret = get_errno(setresuid(low2highuid(arg1),
4095 low2highuid(arg2),
4096 low2highuid(arg3)));
4097 break;
4098#endif
4099#ifdef TARGET_NR_getresuid
4100 case TARGET_NR_getresuid:
4101 {
53a5960a 4102 uid_t ruid, euid, suid;
67867308
FB		 4103 ret = get_errno(getresuid(&ruid, &euid, &suid));
4104 if (!is_error(ret)) {
53a5960a
PB		 4105 tput16(arg1, tswap16(high2lowuid(ruid)));
4106 tput16(arg2, tswap16(high2lowuid(euid)));
4107 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 4108 }
4109 }
4110 break;
4111#endif
4112#ifdef TARGET_NR_getresgid
4113 case TARGET_NR_setresgid:
4114 ret = get_errno(setresgid(low2highgid(arg1),
4115 low2highgid(arg2),
4116 low2highgid(arg3)));
4117 break;
4118#endif
4119#ifdef TARGET_NR_getresgid
4120 case TARGET_NR_getresgid:
4121 {
53a5960a 4122 gid_t rgid, egid, sgid;
67867308
FB		 4123 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4124 if (!is_error(ret)) {
53a5960a
PB		 4125 tput16(arg1, tswap16(high2lowgid(rgid)));
4126 tput16(arg2, tswap16(high2lowgid(egid)));
4127 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 4128 }
4129 }
4130 break;
4131#endif
4132 case TARGET_NR_chown:
53a5960a
PB		 4133 p = lock_user_string(arg1);
4134 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
4135 unlock_user(p, arg1, 0);
67867308
FB		 4136 break;
4137 case TARGET_NR_setuid:
4138 ret = get_errno(setuid(low2highuid(arg1)));
4139 break;
4140 case TARGET_NR_setgid:
4141 ret = get_errno(setgid(low2highgid(arg1)));
4142 break;
4143 case TARGET_NR_setfsuid:
4144 ret = get_errno(setfsuid(arg1));
4145 break;
4146 case TARGET_NR_setfsgid:
4147 ret = get_errno(setfsgid(arg1));
4148 break;
4149#endif /* USE_UID16 */
4150
a315a145 4151#ifdef TARGET_NR_lchown32
31e31b8a 4152 case TARGET_NR_lchown32:
53a5960a
PB		 4153 p = lock_user_string(arg1);
4154 ret = get_errno(lchown(p, arg2, arg3));
4155 unlock_user(p, arg1, 0);
b03c60f3 4156 break;
a315a145
FB		 4157#endif
4158#ifdef TARGET_NR_getuid32
31e31b8a 4159 case TARGET_NR_getuid32:
b03c60f3
FB		 4160 ret = get_errno(getuid());
4161 break;
a315a145
FB		 4162#endif
4163#ifdef TARGET_NR_getgid32
31e31b8a 4164 case TARGET_NR_getgid32:
b03c60f3
FB		 4165 ret = get_errno(getgid());
4166 break;
a315a145
FB		 4167#endif
4168#ifdef TARGET_NR_geteuid32
31e31b8a 4169 case TARGET_NR_geteuid32:
b03c60f3
FB		 4170 ret = get_errno(geteuid());
4171 break;
a315a145
FB		 4172#endif
4173#ifdef TARGET_NR_getegid32
31e31b8a 4174 case TARGET_NR_getegid32:
b03c60f3
FB		 4175 ret = get_errno(getegid());
4176 break;
a315a145
FB		 4177#endif
4178#ifdef TARGET_NR_setreuid32
31e31b8a 4179 case TARGET_NR_setreuid32:
b03c60f3
FB		 4180 ret = get_errno(setreuid(arg1, arg2));
4181 break;
a315a145
FB		 4182#endif
4183#ifdef TARGET_NR_setregid32
31e31b8a 4184 case TARGET_NR_setregid32:
b03c60f3
FB		 4185 ret = get_errno(setregid(arg1, arg2));
4186 break;
a315a145
FB		 4187#endif
4188#ifdef TARGET_NR_getgroups32
31e31b8a 4189 case TARGET_NR_getgroups32:
99c475ab
FB		 4190 {
4191 int gidsetsize = arg1;
53a5960a 4192 uint32_t *target_grouplist;
99c475ab
FB		 4193 gid_t *grouplist;
4194 int i;
4195
4196 grouplist = alloca(gidsetsize * sizeof(gid_t));
4197 ret = get_errno(getgroups(gidsetsize, grouplist));
4198 if (!is_error(ret)) {
53a5960a 4199 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 4200 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 4201 target_grouplist[i] = tswap32(grouplist[i]);
4202 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 4203 }
4204 }
4205 break;
a315a145
FB		 4206#endif
4207#ifdef TARGET_NR_setgroups32
31e31b8a 4208 case TARGET_NR_setgroups32:
99c475ab
FB		 4209 {
4210 int gidsetsize = arg1;
53a5960a 4211 uint32_t *target_grouplist;
99c475ab
FB		 4212 gid_t *grouplist;
4213 int i;
4214
4215 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 4216 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 4217 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 4218 grouplist[i] = tswap32(target_grouplist[i]);
4219 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 4220 ret = get_errno(setgroups(gidsetsize, grouplist));
4221 }
4222 break;
a315a145
FB		 4223#endif
4224#ifdef TARGET_NR_fchown32
31e31b8a 4225 case TARGET_NR_fchown32:
b03c60f3
FB		 4226 ret = get_errno(fchown(arg1, arg2, arg3));
4227 break;
a315a145
FB		 4228#endif
4229#ifdef TARGET_NR_setresuid32
31e31b8a 4230 case TARGET_NR_setresuid32:
b03c60f3
FB		 4231 ret = get_errno(setresuid(arg1, arg2, arg3));
4232 break;
a315a145
FB		 4233#endif
4234#ifdef TARGET_NR_getresuid32
31e31b8a 4235 case TARGET_NR_getresuid32:
b03c60f3 4236 {
53a5960a 4237 uid_t ruid, euid, suid;
b03c60f3
FB		 4238 ret = get_errno(getresuid(&ruid, &euid, &suid));
4239 if (!is_error(ret)) {
53a5960a
PB		 4240 tput32(arg1, tswap32(ruid));
4241 tput32(arg2, tswap32(euid));
4242 tput32(arg3, tswap32(suid));
b03c60f3
FB		 4243 }
4244 }
4245 break;
a315a145
FB		 4246#endif
4247#ifdef TARGET_NR_setresgid32
31e31b8a 4248 case TARGET_NR_setresgid32:
b03c60f3
FB		 4249 ret = get_errno(setresgid(arg1, arg2, arg3));
4250 break;
a315a145
FB		 4251#endif
4252#ifdef TARGET_NR_getresgid32
31e31b8a 4253 case TARGET_NR_getresgid32:
b03c60f3 4254 {
53a5960a 4255 gid_t rgid, egid, sgid;
b03c60f3
FB		 4256 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4257 if (!is_error(ret)) {
53a5960a
PB		 4258 tput32(arg1, tswap32(rgid));
4259 tput32(arg2, tswap32(egid));
4260 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 4261 }
4262 }
4263 break;
a315a145
FB		 4264#endif
4265#ifdef TARGET_NR_chown32
31e31b8a 4266 case TARGET_NR_chown32:
53a5960a
PB		 4267 p = lock_user_string(arg1);
4268 ret = get_errno(chown(p, arg2, arg3));
4269 unlock_user(p, arg1, 0);
b03c60f3 4270 break;
a315a145
FB		 4271#endif
4272#ifdef TARGET_NR_setuid32
31e31b8a 4273 case TARGET_NR_setuid32:
b03c60f3
FB		 4274 ret = get_errno(setuid(arg1));
4275 break;
a315a145
FB		 4276#endif
4277#ifdef TARGET_NR_setgid32
31e31b8a 4278 case TARGET_NR_setgid32:
b03c60f3
FB		 4279 ret = get_errno(setgid(arg1));
4280 break;
a315a145
FB		 4281#endif
4282#ifdef TARGET_NR_setfsuid32
31e31b8a 4283 case TARGET_NR_setfsuid32:
b03c60f3
FB		 4284 ret = get_errno(setfsuid(arg1));
4285 break;
a315a145
FB		 4286#endif
4287#ifdef TARGET_NR_setfsgid32
31e31b8a 4288 case TARGET_NR_setfsgid32:
b03c60f3
FB		 4289 ret = get_errno(setfsgid(arg1));
4290 break;
a315a145 4291#endif
67867308 4292
31e31b8a 4293 case TARGET_NR_pivot_root:
b03c60f3 4294 goto unimplemented;
ffa65c3b 4295#ifdef TARGET_NR_mincore
31e31b8a 4296 case TARGET_NR_mincore:
b03c60f3 4297 goto unimplemented;
ffa65c3b
FB		 4298#endif
4299#ifdef TARGET_NR_madvise
31e31b8a 4300 case TARGET_NR_madvise:
24836689
PB		 4301 /* A straight passthrough may not be safe because qemu sometimes
4302 turns private flie-backed mappings into anonymous mappings.
4303 This will break MADV_DONTNEED.
4304 This is a hint, so ignoring and returning success is ok. */
4305 ret = get_errno(0);
4306 break;
ffa65c3b 4307#endif
60cd49d5 4308#if TARGET_LONG_BITS == 32
31e31b8a 4309 case TARGET_NR_fcntl64:
77e4672d 4310 {
b1e341eb 4311 int cmd;
77e4672d 4312 struct flock64 fl;
53a5960a 4313 struct target_flock64 *target_fl;
ce4defa0 4314#ifdef TARGET_ARM
53a5960a 4315 struct target_eabi_flock64 *target_efl;
ce4defa0 4316#endif
77e4672d 4317
b1e341eb
TS		 4318 switch(arg2){
4319 case TARGET_F_GETLK64:
4320 cmd = F_GETLK64;
a7222580 4321 break;
b1e341eb
TS		 4322 case TARGET_F_SETLK64:
4323 cmd = F_SETLK64;
a7222580 4324 break;
b1e341eb
TS		 4325 case TARGET_F_SETLKW64:
4326 cmd = F_SETLK64;
a7222580 4327 break;
b1e341eb
TS		 4328 default:
4329 cmd = arg2;
a7222580 4330 break;
b1e341eb
TS		 4331 }
4332
60cd49d5 4333 switch(arg2) {
b1e341eb 4334 case TARGET_F_GETLK64:
5813427b
TS		 4335#ifdef TARGET_ARM
4336 if (((CPUARMState *)cpu_env)->eabi) {
4337 lock_user_struct(target_efl, arg3, 1);
4338 fl.l_type = tswap16(target_efl->l_type);
4339 fl.l_whence = tswap16(target_efl->l_whence);
4340 fl.l_start = tswap64(target_efl->l_start);
4341 fl.l_len = tswap64(target_efl->l_len);
4342 fl.l_pid = tswapl(target_efl->l_pid);
4343 unlock_user_struct(target_efl, arg3, 0);
4344 } else
4345#endif
4346 {
4347 lock_user_struct(target_fl, arg3, 1);
4348 fl.l_type = tswap16(target_fl->l_type);
4349 fl.l_whence = tswap16(target_fl->l_whence);
4350 fl.l_start = tswap64(target_fl->l_start);
4351 fl.l_len = tswap64(target_fl->l_len);
4352 fl.l_pid = tswapl(target_fl->l_pid);
4353 unlock_user_struct(target_fl, arg3, 0);
4354 }
b1e341eb 4355 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4356 if (ret == 0) {
ce4defa0
PB		 4357#ifdef TARGET_ARM
4358 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4359 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4360 target_efl->l_type = tswap16(fl.l_type);
4361 target_efl->l_whence = tswap16(fl.l_whence);
4362 target_efl->l_start = tswap64(fl.l_start);
4363 target_efl->l_len = tswap64(fl.l_len);
4364 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 4365 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4366 } else
4367#endif
4368 {
53a5960a 4369 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 4370 target_fl->l_type = tswap16(fl.l_type);
4371 target_fl->l_whence = tswap16(fl.l_whence);
4372 target_fl->l_start = tswap64(fl.l_start);
4373 target_fl->l_len = tswap64(fl.l_len);
4374 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 4375 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 4376 }
77e4672d
FB		 4377 }
4378 break;
4379
b1e341eb
TS		 4380 case TARGET_F_SETLK64:
4381 case TARGET_F_SETLKW64:
ce4defa0
PB		 4382#ifdef TARGET_ARM
4383 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4384 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4385 fl.l_type = tswap16(target_efl->l_type);
4386 fl.l_whence = tswap16(target_efl->l_whence);
4387 fl.l_start = tswap64(target_efl->l_start);
4388 fl.l_len = tswap64(target_efl->l_len);
4389 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 4390 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4391 } else
4392#endif
4393 {
53a5960a 4394 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 4395 fl.l_type = tswap16(target_fl->l_type);
4396 fl.l_whence = tswap16(target_fl->l_whence);
4397 fl.l_start = tswap64(target_fl->l_start);
4398 fl.l_len = tswap64(target_fl->l_len);
4399 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 4400 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 4401 }
b1e341eb 4402 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4403 break;
60cd49d5 4404 default:
b1e341eb 4405 ret = get_errno(do_fcntl(arg1, cmd, arg3));
60cd49d5
FB		 4406 break;
4407 }
77e4672d
FB		 4408 break;
4409 }
60cd49d5 4410#endif
7d600c80
TS		 4411#ifdef TARGET_NR_cacheflush
4412 case TARGET_NR_cacheflush:
4413 /* self-modifying code is handled automatically, so nothing needed */
4414 ret = 0;
4415 break;
4416#endif
ebc05488 4417#ifdef TARGET_NR_security
31e31b8a
FB		 4418 case TARGET_NR_security:
4419 goto unimplemented;
c573ff67
FB		 4420#endif
4421#ifdef TARGET_NR_getpagesize
4422 case TARGET_NR_getpagesize:
4423 ret = TARGET_PAGE_SIZE;
4424 break;
ebc05488 4425#endif
31e31b8a
FB		 4426 case TARGET_NR_gettid:
4427 ret = get_errno(gettid());
4428 break;
e5febef5 4429#ifdef TARGET_NR_readahead
31e31b8a 4430 case TARGET_NR_readahead:
5cd4393b 4431 goto unimplemented;
e5febef5 4432#endif
ebc05488 4433#ifdef TARGET_NR_setxattr
31e31b8a
FB		 4434 case TARGET_NR_setxattr:
4435 case TARGET_NR_lsetxattr:
4436 case TARGET_NR_fsetxattr:
4437 case TARGET_NR_getxattr:
4438 case TARGET_NR_lgetxattr:
4439 case TARGET_NR_fgetxattr:
4440 case TARGET_NR_listxattr:
4441 case TARGET_NR_llistxattr:
4442 case TARGET_NR_flistxattr:
4443 case TARGET_NR_removexattr:
4444 case TARGET_NR_lremovexattr:
4445 case TARGET_NR_fremovexattr:
5cd4393b 4446 goto unimplemented_nowarn;
ebc05488
FB		 4447#endif
4448#ifdef TARGET_NR_set_thread_area
5cd4393b 4449 case TARGET_NR_set_thread_area:
6f5b89a0
TS		 4450#ifdef TARGET_MIPS
4451 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4452 ret = 0;
4453 break;
4454#else
4455 goto unimplemented_nowarn;
4456#endif
4457#endif
4458#ifdef TARGET_NR_get_thread_area
5cd4393b
FB		 4459 case TARGET_NR_get_thread_area:
4460 goto unimplemented_nowarn;
48dc41eb
FB		 4461#endif
4462#ifdef TARGET_NR_getdomainname
4463 case TARGET_NR_getdomainname:
4464 goto unimplemented_nowarn;
ebc05488 4465#endif
6f5b89a0 4466
b5906f95
TS		 4467#ifdef TARGET_NR_clock_gettime
4468 case TARGET_NR_clock_gettime:
4469 {
4470 struct timespec ts;
4471 ret = get_errno(clock_gettime(arg1, &ts));
4472 if (!is_error(ret)) {
4473 host_to_target_timespec(arg2, &ts);
4474 }
4475 break;
4476 }
4477#endif
4478#ifdef TARGET_NR_clock_getres
4479 case TARGET_NR_clock_getres:
4480 {
4481 struct timespec ts;
4482 ret = get_errno(clock_getres(arg1, &ts));
4483 if (!is_error(ret)) {
4484 host_to_target_timespec(arg2, &ts);
4485 }
4486 break;
4487 }
4488#endif
4489
6f5b89a0
TS		 4490#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4491 case TARGET_NR_set_tid_address:
4492 ret = get_errno(set_tid_address((int *) arg1));
4493 break;
4494#endif
4495
31e31b8a
FB		 4496 default:
4497 unimplemented:
5cd4393b 4498 gemu_log("qemu: Unsupported syscall: %d\n", num);
6f5b89a0 4499#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname)
5cd4393b 4500 unimplemented_nowarn:
80a9d035 4501#endif
31e31b8a
FB		 4502 ret = -ENOSYS;
4503 break;
4504 }
4505 fail:
c573ff67
FB		 4506#ifdef DEBUG
4507 gemu_log(" = %ld\n", ret);
4508#endif
31e31b8a
FB		 4509 return ret;
4510}
4511
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