]> Git Repo - qemu.git/blame - linux-user/syscall.c
projects / qemu.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Allow relative paths for the interpreter prefix in linux-user emulation.
[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
1bc012f6
TS		 1440struct target_msqid_ds
1441{
1442 struct target_ipc_perm msg_perm;
1443 target_ulong msg_stime;
1444 target_ulong __unused1;
1445 target_ulong msg_rtime;
1446 target_ulong __unused2;
1447 target_ulong msg_ctime;
1448 target_ulong __unused3;
1449 target_ulong __msg_cbytes;
1450 target_ulong msg_qnum;
1451 target_ulong msg_qbytes;
1452 target_ulong msg_lspid;
1453 target_ulong msg_lrpid;
1454 target_ulong __unused4;
1455 target_ulong __unused5;
1456};
1457
1458static inline void target_to_host_msqid_ds(struct msqid_ds *host_md,
1459 target_ulong target_addr)
1460{
1461 struct target_msqid_ds *target_md;
1462
1463 lock_user_struct(target_md, target_addr, 1);
1464 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
1465 host_md->msg_stime = tswapl(target_md->msg_stime);
1466 host_md->msg_rtime = tswapl(target_md->msg_rtime);
1467 host_md->msg_ctime = tswapl(target_md->msg_ctime);
1468 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1469 host_md->msg_qnum = tswapl(target_md->msg_qnum);
1470 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1471 host_md->msg_lspid = tswapl(target_md->msg_lspid);
1472 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1473 unlock_user_struct(target_md, target_addr, 0);
1474}
1475
1476static inline void host_to_target_msqid_ds(target_ulong target_addr,
1477 struct msqid_ds *host_md)
1478{
1479 struct target_msqid_ds *target_md;
1480
1481 lock_user_struct(target_md, target_addr, 0);
1482 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
1483 target_md->msg_stime = tswapl(host_md->msg_stime);
1484 target_md->msg_rtime = tswapl(host_md->msg_rtime);
1485 target_md->msg_ctime = tswapl(host_md->msg_ctime);
1486 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1487 target_md->msg_qnum = tswapl(host_md->msg_qnum);
1488 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1489 target_md->msg_lspid = tswapl(host_md->msg_lspid);
1490 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1491 unlock_user_struct(target_md, target_addr, 1);
1492}
1493
1494static inline long do_msgctl(long first, long second, long ptr)
1495{
1496 struct msqid_ds dsarg;
1497 int cmd = second&0xff;
1498 long ret = 0;
1499 switch( cmd ) {
1500 case IPC_STAT:
1501 case IPC_SET:
1502 target_to_host_msqid_ds(&dsarg,ptr);
1503 ret = get_errno(msgctl(first, cmd, &dsarg));
1504 host_to_target_msqid_ds(ptr,&dsarg);
1505 default:
1506 ret = get_errno(msgctl(first, cmd, &dsarg));
1507 }
1508 return ret;
1509}
1510
1511struct target_msgbuf {
1512 target_ulong mtype;
1513 char mtext[1];
1514};
1515
1516static inline long do_msgsnd(long msqid, long msgp, long msgsz, long msgflg)
1517{
1518 struct target_msgbuf *target_mb;
1519 struct msgbuf *host_mb;
1520 long ret = 0;
1521
1522 lock_user_struct(target_mb,msgp,0);
1523 host_mb = malloc(msgsz+sizeof(long));
1524 host_mb->mtype = tswapl(target_mb->mtype);
1525 memcpy(host_mb->mtext,target_mb->mtext,msgsz);
1526 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
1527 free(host_mb);
1528 unlock_user_struct(target_mb, msgp, 0);
1529
1530 return ret;
1531}
1532
1533static inline long do_msgrcv(long msqid, long msgp, long msgsz, long msgtype, long msgflg)
1534{
1535 struct target_msgbuf *target_mb;
1536 struct msgbuf *host_mb;
1537 long ret = 0;
1538
1539 lock_user_struct(target_mb, msgp, 0);
1540 host_mb = malloc(msgsz+sizeof(long));
1541 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
1542 if (ret > 0)
1543 memcpy(target_mb->mtext, host_mb->mtext, ret);
1544 target_mb->mtype = tswapl(host_mb->mtype);
1545 free(host_mb);
1546 unlock_user_struct(target_mb, msgp, 0);
1547
1548 return ret;
1549}
1550
53a5960a 1551/* ??? This only works with linear mappings. */
8853f86e
FB		 1552static long do_ipc(long call, long first, long second, long third,
1553 long ptr, long fifth)
1554{
1555 int version;
1556 long ret = 0;
1557 unsigned long raddr;
1558 struct shmid_ds shm_info;
1559 int i;
1560
1561 version = call >> 16;
1562 call &= 0xffff;
1563
1564 switch (call) {
fa294816
TS		 1565 case IPCOP_semop:
1566 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1567 break;
1568
1569 case IPCOP_semget:
1570 ret = get_errno(semget(first, second, third));
1571 break;
1572
1573 case IPCOP_semctl:
3eb6b044 1574 ret = do_semctl(first, second, third, ptr);
fa294816
TS		 1575 break;
1576
1577 case IPCOP_semtimedop:
1578 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1579 ret = -ENOSYS;
1580 break;
d96372ef
TS		 1581
1582 case IPCOP_msgget:
1583 ret = get_errno(msgget(first, second));
1584 break;
1585
1586 case IPCOP_msgsnd:
1bc012f6 1587 ret = do_msgsnd(first, ptr, second, third);
d96372ef
TS		 1588 break;
1589
1590 case IPCOP_msgctl:
1bc012f6 1591 ret = do_msgctl(first, second, ptr);
d96372ef
TS		 1592 break;
1593
1594 case IPCOP_msgrcv:
1bc012f6
TS		 1595 {
1596 struct ipc_kludge
1597 {
1598 void *__unbounded msgp;
1599 long int msgtyp;
1600 };
d96372ef 1601
1bc012f6
TS		 1602 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1603 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
d96372ef 1604
1bc012f6 1605 ret = do_msgrcv(first, (long)msgp, second, 0, third);
d96372ef 1606
1bc012f6 1607 }
d96372ef
TS		 1608 break;
1609
8853f86e
FB		 1610 case IPCOP_shmat:
1611 /* SHM_* flags are the same on all linux platforms */
1612 ret = get_errno((long) shmat(first, (void *) ptr, second));
1613 if (is_error(ret))
1614 break;
1615 raddr = ret;
1616 /* find out the length of the shared memory segment */
1617
1618 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1619 if (is_error(ret)) {
1620 /* can't get length, bail out */
1621 shmdt((void *) raddr);
1622 break;
1623 }
1624 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1625 PAGE_VALID | PAGE_READ |
1626 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1627 for (i = 0; i < N_SHM_REGIONS; ++i) {
1628 if (shm_regions[i].start == 0) {
1629 shm_regions[i].start = raddr;
1630 shm_regions[i].size = shm_info.shm_segsz;
1631 break;
1632 }
1633 }
1634 if (put_user(raddr, (uint32_t *)third))
1635 return -EFAULT;
1636 ret = 0;
1637 break;
1638 case IPCOP_shmdt:
1639 for (i = 0; i < N_SHM_REGIONS; ++i) {
1640 if (shm_regions[i].start == ptr) {
1641 shm_regions[i].start = 0;
1642 page_set_flags(ptr, shm_regions[i].size, 0);
1643 break;
1644 }
1645 }
1646 ret = get_errno(shmdt((void *) ptr));
1647 break;
1648
1649 case IPCOP_shmget:
1650 /* IPC_* flag values are the same on all linux platforms */
1651 ret = get_errno(shmget(first, second, third));
1652 break;
1653
1654 /* IPC_* and SHM_* command values are the same on all linux platforms */
1655 case IPCOP_shmctl:
1656 switch(second) {
1657 case IPC_RMID:
1658 case SHM_LOCK:
1659 case SHM_UNLOCK:
1660 ret = get_errno(shmctl(first, second, NULL));
1661 break;
1662 default:
1663 goto unimplemented;
1664 }
1665 break;
1666 default:
1667 unimplemented:
1668 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1669 ret = -ENOSYS;
1670 break;
1671 }
1672 return ret;
1673}
1674
31e31b8a
FB		 1675/* kernel structure types definitions */
1676#define IFNAMSIZ 16
1677
1678#define STRUCT(name, list...) STRUCT_ ## name,
1679#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1680enum {
1681#include "syscall_types.h"
1682};
1683#undef STRUCT
1684#undef STRUCT_SPECIAL
1685
1686#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1687#define STRUCT_SPECIAL(name)
1688#include "syscall_types.h"
1689#undef STRUCT
1690#undef STRUCT_SPECIAL
1691
1692typedef struct IOCTLEntry {
2ab83ea7
FB		 1693 unsigned int target_cmd;
1694 unsigned int host_cmd;
31e31b8a
FB		 1695 const char *name;
1696 int access;
1a9353d2 1697 const argtype arg_type[5];
31e31b8a
FB		 1698} IOCTLEntry;
1699
1700#define IOC_R 0x0001
1701#define IOC_W 0x0002
1702#define IOC_RW (IOC_R | IOC_W)
1703
1704#define MAX_STRUCT_SIZE 4096
1705
2ab83ea7 1706IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 1707#define IOCTL(cmd, access, types...) \
1708 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1709#include "ioctls.h"
1710 { 0, 0, },
1711};
1712
53a5960a 1713/* ??? Implement proper locking for ioctls. */
31e31b8a
FB		 1714static long do_ioctl(long fd, long cmd, long arg)
1715{
1716 const IOCTLEntry *ie;
1717 const argtype *arg_type;
1718 long ret;
1719 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 1720 int target_size;
1721 void *argptr;
31e31b8a
FB		 1722
1723 ie = ioctl_entries;
1724 for(;;) {
1725 if (ie->target_cmd == 0) {
1726 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1727 return -ENOSYS;
1728 }
1729 if (ie->target_cmd == cmd)
1730 break;
1731 ie++;
1732 }
1733 arg_type = ie->arg_type;
9de5e440 1734#if defined(DEBUG)
72f03900
FB		 1735 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1736#endif
31e31b8a
FB		 1737 switch(arg_type[0]) {
1738 case TYPE_NULL:
1739 /* no argument */
1740 ret = get_errno(ioctl(fd, ie->host_cmd));
1741 break;
1742 case TYPE_PTRVOID:
1743 case TYPE_INT:
1744 /* int argment */
1745 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1746 break;
1747 case TYPE_PTR:
1748 arg_type++;
53a5960a 1749 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 1750 switch(ie->access) {
1751 case IOC_R:
1752 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1753 if (!is_error(ret)) {
53a5960a
PB		 1754 argptr = lock_user(arg, target_size, 0);
1755 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1756 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1757 }
1758 break;
1759 case IOC_W:
53a5960a
PB		 1760 argptr = lock_user(arg, target_size, 1);
1761 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1762 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1763 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1764 break;
1765 default:
1766 case IOC_RW:
53a5960a
PB		 1767 argptr = lock_user(arg, target_size, 1);
1768 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1769 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1770 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1771 if (!is_error(ret)) {
53a5960a
PB		 1772 argptr = lock_user(arg, target_size, 0);
1773 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1774 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1775 }
1776 break;
1777 }
1778 break;
1779 default:
1780 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1781 ret = -ENOSYS;
1782 break;
1783 }
1784 return ret;
1785}
1786
1787bitmask_transtbl iflag_tbl[] = {
1788 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1789 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1790 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1791 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1792 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1793 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1794 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1795 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1796 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1797 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1798 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1799 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1800 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1801 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1802 { 0, 0, 0, 0 }
1803};
1804
1805bitmask_transtbl oflag_tbl[] = {
1806 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1807 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1808 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1809 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1810 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1811 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1812 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1813 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1814 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1815 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1816 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1817 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1818 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1819 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1820 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1821 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1822 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1823 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1824 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1825 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1826 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1827 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1828 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1829 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1830 { 0, 0, 0, 0 }
1831};
1832
1833bitmask_transtbl cflag_tbl[] = {
1834 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1835 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1836 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1837 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1838 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1839 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1840 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1841 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1842 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1843 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1844 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1845 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1846 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1847 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1848 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1849 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1850 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1851 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1852 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1853 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1854 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1855 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1856 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1857 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1858 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1859 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1860 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1861 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1862 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1863 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1864 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1865 { 0, 0, 0, 0 }
1866};
1867
1868bitmask_transtbl lflag_tbl[] = {
1869 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1870 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1871 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1872 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1873 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1874 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1875 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1876 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1877 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1878 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1879 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1880 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1881 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1882 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1883 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1884 { 0, 0, 0, 0 }
1885};
1886
1887static void target_to_host_termios (void *dst, const void *src)
1888{
1889 struct host_termios *host = dst;
1890 const struct target_termios *target = src;
1891
1892 host->c_iflag =
1893 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1894 host->c_oflag =
1895 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1896 host->c_cflag =
1897 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1898 host->c_lflag =
1899 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1900 host->c_line = target->c_line;
1901
1902 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1903 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1904 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1905 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1906 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1907 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1908 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1909 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1910 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1911 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1912 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1913 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1914 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1915 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1916 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1917 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1918 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1919}
1920
1921static void host_to_target_termios (void *dst, const void *src)
1922{
1923 struct target_termios *target = dst;
1924 const struct host_termios *host = src;
1925
1926 target->c_iflag =
1927 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1928 target->c_oflag =
1929 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1930 target->c_cflag =
1931 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1932 target->c_lflag =
1933 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1934 target->c_line = host->c_line;
1935
1936 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1937 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1938 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1939 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1940 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1941 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1942 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1943 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1944 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1945 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1946 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1947 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1948 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1949 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1950 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1951 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1952 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1953}
1954
1955StructEntry struct_termios_def = {
1956 .convert = { host_to_target_termios, target_to_host_termios },
1957 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1958 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1959};
1960
5286db75
FB		 1961static bitmask_transtbl mmap_flags_tbl[] = {
1962 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1963 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1964 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1965 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1966 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1967 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1968 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1969 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1970 { 0, 0, 0, 0 }
1971};
1972
ffa65c3b
FB		 1973static bitmask_transtbl fcntl_flags_tbl[] = {
1974 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1975 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1976 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1977 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1978 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1979 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1980 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1981 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1982 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1983 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1984 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1985 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1986 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 1987#if defined(O_DIRECT)
ffa65c3b 1988 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 1989#endif
ffa65c3b
FB		 1990 { 0, 0, 0, 0 }
1991};
1992
2ab83ea7 1993#if defined(TARGET_I386)
6dbad63e
FB		 1994
1995/* NOTE: there is really one LDT for all the threads */
1996uint8_t *ldt_table;
1997
53a5960a 1998static int read_ldt(target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 1999{
2000 int size;
53a5960a 2001 void *p;
6dbad63e
FB		 2002
2003 if (!ldt_table)
2004 return 0;
2005 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2006 if (size > bytecount)
2007 size = bytecount;
53a5960a
PB		 2008 p = lock_user(ptr, size, 0);
2009 /* ??? Shoudl this by byteswapped? */
2010 memcpy(p, ldt_table, size);
2011 unlock_user(p, ptr, size);
6dbad63e
FB		 2012 return size;
2013}
2014
2015/* XXX: add locking support */
2016static int write_ldt(CPUX86State *env,
53a5960a 2017 target_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 2018{
2019 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 2020 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e
FB		 2021 int seg_32bit, contents, read_exec_only, limit_in_pages;
2022 int seg_not_present, useable;
2023 uint32_t *lp, entry_1, entry_2;
2024
2025 if (bytecount != sizeof(ldt_info))
2026 return -EINVAL;
53a5960a
PB		 2027 lock_user_struct(target_ldt_info, ptr, 1);
2028 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2029 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2030 ldt_info.limit = tswap32(target_ldt_info->limit);
2031 ldt_info.flags = tswap32(target_ldt_info->flags);
2032 unlock_user_struct(target_ldt_info, ptr, 0);
6dbad63e
FB		 2033
2034 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
2035 return -EINVAL;
2036 seg_32bit = ldt_info.flags & 1;
2037 contents = (ldt_info.flags >> 1) & 3;
2038 read_exec_only = (ldt_info.flags >> 3) & 1;
2039 limit_in_pages = (ldt_info.flags >> 4) & 1;
2040 seg_not_present = (ldt_info.flags >> 5) & 1;
2041 useable = (ldt_info.flags >> 6) & 1;
2042
2043 if (contents == 3) {
2044 if (oldmode)
2045 return -EINVAL;
2046 if (seg_not_present == 0)
2047 return -EINVAL;
2048 }
2049 /* allocate the LDT */
2050 if (!ldt_table) {
2051 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2052 if (!ldt_table)
2053 return -ENOMEM;
2054 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
53a5960a 2055 env->ldt.base = h2g(ldt_table);
6dbad63e
FB		 2056 env->ldt.limit = 0xffff;
2057 }
2058
2059 /* NOTE: same code as Linux kernel */
2060 /* Allow LDTs to be cleared by the user. */
2061 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2062 if (oldmode ||
2063 (contents == 0 &&
2064 read_exec_only == 1 &&
2065 seg_32bit == 0 &&
2066 limit_in_pages == 0 &&
2067 seg_not_present == 1 &&
2068 useable == 0 )) {
2069 entry_1 = 0;
2070 entry_2 = 0;
2071 goto install;
2072 }
2073 }
2074
2075 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2076 (ldt_info.limit & 0x0ffff);
2077 entry_2 = (ldt_info.base_addr & 0xff000000) |
2078 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2079 (ldt_info.limit & 0xf0000) |
2080 ((read_exec_only ^ 1) << 9) |
2081 (contents << 10) |
2082 ((seg_not_present ^ 1) << 15) |
2083 (seg_32bit << 22) |
2084 (limit_in_pages << 23) |
2085 0x7000;
2086 if (!oldmode)
2087 entry_2 |= (useable << 20);
14ae3ba7 2088
6dbad63e
FB		 2089 /* Install the new entry ... */
2090install:
2091 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2092 lp[0] = tswap32(entry_1);
2093 lp[1] = tswap32(entry_2);
2094 return 0;
2095}
2096
2097/* specific and weird i386 syscalls */
53a5960a 2098int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 2099{
2100 int ret = -ENOSYS;
2101
2102 switch (func) {
2103 case 0:
2104 ret = read_ldt(ptr, bytecount);
2105 break;
2106 case 1:
2107 ret = write_ldt(env, ptr, bytecount, 1);
2108 break;
2109 case 0x11:
2110 ret = write_ldt(env, ptr, bytecount, 0);
2111 break;
2112 }
2113 return ret;
2114}
1b6b029e 2115
2ab83ea7
FB		 2116#endif /* defined(TARGET_I386) */
2117
1b6b029e
FB		 2118/* this stack is the equivalent of the kernel stack associated with a
2119 thread/process */
2120#define NEW_STACK_SIZE 8192
2121
2122static int clone_func(void *arg)
2123{
2ab83ea7 2124 CPUState *env = arg;
1b6b029e
FB		 2125 cpu_loop(env);
2126 /* never exits */
2127 return 0;
2128}
2129
2ab83ea7 2130int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1b6b029e
FB		 2131{
2132 int ret;
5cd4393b 2133 TaskState *ts;
1b6b029e 2134 uint8_t *new_stack;
2ab83ea7 2135 CPUState *new_env;
1b6b029e
FB		 2136
2137 if (flags & CLONE_VM) {
5cd4393b
FB		 2138 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2139 memset(ts, 0, sizeof(TaskState));
2140 new_stack = ts->stack;
2141 ts->used = 1;
2142 /* add in task state list */
2143 ts->next = first_task_state;
2144 first_task_state = ts;
1b6b029e 2145 /* we create a new CPU instance. */
c5be9f08 2146 new_env = cpu_copy(env);
2ab83ea7
FB		 2147#if defined(TARGET_I386)
2148 if (!newsp)
2149 newsp = env->regs[R_ESP];
1b6b029e
FB		 2150 new_env->regs[R_ESP] = newsp;
2151 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 2152#elif defined(TARGET_ARM)
2153 if (!newsp)
2154 newsp = env->regs[13];
2155 new_env->regs[13] = newsp;
2156 new_env->regs[0] = 0;
ebc05488 2157#elif defined(TARGET_SPARC)
48dc41eb
FB		 2158 if (!newsp)
2159 newsp = env->regwptr[22];
2160 new_env->regwptr[22] = newsp;
2161 new_env->regwptr[0] = 0;
2162 /* XXXXX */
67867308 2163 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
e6e5906b
PB		 2164#elif defined(TARGET_M68K)
2165 if (!newsp)
2166 newsp = env->aregs[7];
2167 new_env->aregs[7] = newsp;
2168 new_env->dregs[0] = 0;
2169 /* ??? is this sufficient? */
048f6b4d 2170#elif defined(TARGET_MIPS)
388bb21a
TS		 2171 if (!newsp)
2172 newsp = env->gpr[29];
2173 new_env->gpr[29] = newsp;
67867308
FB		 2174#elif defined(TARGET_PPC)
2175 if (!newsp)
2176 newsp = env->gpr[1];
2177 new_env->gpr[1] = newsp;
2178 {
2179 int i;
2180 for (i = 7; i < 32; i++)
2181 new_env->gpr[i] = 0;
2182 }
fdf9b3e8
FB		 2183#elif defined(TARGET_SH4)
2184 if (!newsp)
2185 newsp = env->gregs[15];
2186 new_env->gregs[15] = newsp;
2187 /* XXXXX */
7a3148a9
JM		 2188#elif defined(TARGET_ALPHA)
2189 if (!newsp)
2190 newsp = env->ir[30];
2191 new_env->ir[30] = newsp;
2192 /* ? */
2193 {
2194 int i;
2195 for (i = 7; i < 30; i++)
2196 new_env->ir[i] = 0;
2197 }
2ab83ea7
FB		 2198#else
2199#error unsupported target CPU
2200#endif
5cd4393b 2201 new_env->opaque = ts;
27725c1d 2202#ifdef __ia64__
fd4a43e4 2203 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 2204#else
2205 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2206#endif
1b6b029e
FB		 2207 } else {
2208 /* if no CLONE_VM, we consider it is a fork */
2209 if ((flags & ~CSIGNAL) != 0)
2210 return -EINVAL;
2211 ret = fork();
2212 }
2213 return ret;
2214}
2215
53a5960a 2216static long do_fcntl(int fd, int cmd, target_ulong arg)
7775e9ec
FB		 2217{
2218 struct flock fl;
53a5960a 2219 struct target_flock *target_fl;
43f238d7
TS		 2220 struct flock64 fl64;
2221 struct target_flock64 *target_fl64;
7775e9ec 2222 long ret;
53a5960a 2223
7775e9ec
FB		 2224 switch(cmd) {
2225 case TARGET_F_GETLK:
5813427b
TS		 2226 lock_user_struct(target_fl, arg, 1);
2227 fl.l_type = tswap16(target_fl->l_type);
2228 fl.l_whence = tswap16(target_fl->l_whence);
2229 fl.l_start = tswapl(target_fl->l_start);
2230 fl.l_len = tswapl(target_fl->l_len);
2231 fl.l_pid = tswapl(target_fl->l_pid);
2232 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2233 ret = fcntl(fd, cmd, &fl);
2234 if (ret == 0) {
53a5960a 2235 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2236 target_fl->l_type = tswap16(fl.l_type);
2237 target_fl->l_whence = tswap16(fl.l_whence);
2238 target_fl->l_start = tswapl(fl.l_start);
2239 target_fl->l_len = tswapl(fl.l_len);
2240 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 2241 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2242 }
2243 break;
2244
2245 case TARGET_F_SETLK:
2246 case TARGET_F_SETLKW:
53a5960a 2247 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2248 fl.l_type = tswap16(target_fl->l_type);
2249 fl.l_whence = tswap16(target_fl->l_whence);
2250 fl.l_start = tswapl(target_fl->l_start);
2251 fl.l_len = tswapl(target_fl->l_len);
2252 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 2253 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2254 ret = fcntl(fd, cmd, &fl);
2255 break;
2256
2257 case TARGET_F_GETLK64:
5813427b
TS		 2258 lock_user_struct(target_fl64, arg, 1);
2259 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2260 fl64.l_whence = tswap16(target_fl64->l_whence);
2261 fl64.l_start = tswapl(target_fl64->l_start);
2262 fl64.l_len = tswapl(target_fl64->l_len);
2263 fl64.l_pid = tswap16(target_fl64->l_pid);
2264 unlock_user_struct(target_fl64, arg, 0);
43f238d7
TS		 2265 ret = fcntl(fd, cmd >> 1, &fl64);
2266 if (ret == 0) {
2267 lock_user_struct(target_fl64, arg, 0);
2268 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2269 target_fl64->l_whence = tswap16(fl64.l_whence);
2270 target_fl64->l_start = tswapl(fl64.l_start);
2271 target_fl64->l_len = tswapl(fl64.l_len);
2272 target_fl64->l_pid = tswapl(fl64.l_pid);
2273 unlock_user_struct(target_fl64, arg, 1);
2274 }
2275 break;
7775e9ec
FB		 2276 case TARGET_F_SETLK64:
2277 case TARGET_F_SETLKW64:
43f238d7
TS		 2278 lock_user_struct(target_fl64, arg, 1);
2279 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2280 fl64.l_whence = tswap16(target_fl64->l_whence);
2281 fl64.l_start = tswapl(target_fl64->l_start);
2282 fl64.l_len = tswapl(target_fl64->l_len);
2283 fl64.l_pid = tswap16(target_fl64->l_pid);
2284 unlock_user_struct(target_fl64, arg, 0);
2285 ret = fcntl(fd, cmd >> 1, &fl64);
7775e9ec
FB		 2286 break;
2287
ffa65c3b
FB		 2288 case F_GETFL:
2289 ret = fcntl(fd, cmd, arg);
2290 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
2291 break;
2292
2293 case F_SETFL:
2294 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
2295 break;
2296
7775e9ec
FB		 2297 default:
2298 ret = fcntl(fd, cmd, arg);
2299 break;
2300 }
2301 return ret;
2302}
2303
67867308 2304#ifdef USE_UID16
7775e9ec 2305
67867308
FB		 2306static inline int high2lowuid(int uid)
2307{
2308 if (uid > 65535)
2309 return 65534;
2310 else
2311 return uid;
2312}
2313
2314static inline int high2lowgid(int gid)
2315{
2316 if (gid > 65535)
2317 return 65534;
2318 else
2319 return gid;
2320}
2321
2322static inline int low2highuid(int uid)
2323{
2324 if ((int16_t)uid == -1)
2325 return -1;
2326 else
2327 return uid;
2328}
2329
2330static inline int low2highgid(int gid)
2331{
2332 if ((int16_t)gid == -1)
2333 return -1;
2334 else
2335 return gid;
2336}
2337
2338#endif /* USE_UID16 */
1b6b029e 2339
31e31b8a
FB		 2340void syscall_init(void)
2341{
2ab83ea7
FB		 2342 IOCTLEntry *ie;
2343 const argtype *arg_type;
2344 int size;
2345
31e31b8a
FB		 2346#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
2347#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
2348#include "syscall_types.h"
2349#undef STRUCT
2350#undef STRUCT_SPECIAL
2ab83ea7
FB		 2351
2352 /* we patch the ioctl size if necessary. We rely on the fact that
2353 no ioctl has all the bits at '1' in the size field */
2354 ie = ioctl_entries;
2355 while (ie->target_cmd != 0) {
2356 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2357 TARGET_IOC_SIZEMASK) {
2358 arg_type = ie->arg_type;
2359 if (arg_type[0] != TYPE_PTR) {
2360 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2361 ie->target_cmd);
2362 exit(1);
2363 }
2364 arg_type++;
2365 size = thunk_type_size(arg_type, 0);
2366 ie->target_cmd = (ie->target_cmd &
2367 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2368 (size << TARGET_IOC_SIZESHIFT);
2369 }
2370 /* automatic consistency check if same arch */
2371#if defined(__i386__) && defined(TARGET_I386)
2372 if (ie->target_cmd != ie->host_cmd) {
2373 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
2374 ie->target_cmd, ie->host_cmd);
2375 }
2376#endif
2377 ie++;
2378 }
31e31b8a 2379}
c573ff67 2380
ce4defa0
PB		 2381static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2382{
2383#ifdef TARGET_WORDS_BIG_ENDIAN
2384 return ((uint64_t)word0 << 32) | word1;
2385#else
2386 return ((uint64_t)word1 << 32) | word0;
2387#endif
2388}
2389
2390#ifdef TARGET_NR_truncate64
2391static inline long target_truncate64(void *cpu_env, const char *arg1,
2392 long arg2, long arg3, long arg4)
2393{
2394#ifdef TARGET_ARM
2395 if (((CPUARMState *)cpu_env)->eabi)
2396 {
2397 arg2 = arg3;
2398 arg3 = arg4;
2399 }
2400#endif
2401 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
2402}
2403#endif
2404
2405#ifdef TARGET_NR_ftruncate64
2406static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
2407 long arg3, long arg4)
2408{
2409#ifdef TARGET_ARM
2410 if (((CPUARMState *)cpu_env)->eabi)
2411 {
2412 arg2 = arg3;
2413 arg3 = arg4;
2414 }
2415#endif
2416 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
2417}
2418#endif
2419
53a5960a
PB		 2420static inline void target_to_host_timespec(struct timespec *host_ts,
2421 target_ulong target_addr)
2422{
2423 struct target_timespec *target_ts;
2424
2425 lock_user_struct(target_ts, target_addr, 1);
2426 host_ts->tv_sec = tswapl(target_ts->tv_sec);
2427 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2428 unlock_user_struct(target_ts, target_addr, 0);
2429}
2430
2431static inline void host_to_target_timespec(target_ulong target_addr,
2432 struct timespec *host_ts)
2433{
2434 struct target_timespec *target_ts;
2435
2436 lock_user_struct(target_ts, target_addr, 0);
2437 target_ts->tv_sec = tswapl(host_ts->tv_sec);
2438 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2439 unlock_user_struct(target_ts, target_addr, 1);
2440}
2441
6dbad63e 2442long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 2443 long arg4, long arg5, long arg6)
2444{
2445 long ret;
2446 struct stat st;
56c8f68f 2447 struct statfs stfs;
53a5960a 2448 void *p;
31e31b8a 2449
72f03900 2450#ifdef DEBUG
c573ff67 2451 gemu_log("syscall %d", num);
72f03900 2452#endif
31e31b8a
FB		 2453 switch(num) {
2454 case TARGET_NR_exit:
7d13299d
FB		 2455#ifdef HAVE_GPROF
2456 _mcleanup();
2457#endif
e9009676 2458 gdb_exit(cpu_env, arg1);
1b6b029e 2459 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 2460 _exit(arg1);
2461 ret = 0; /* avoid warning */
2462 break;
2463 case TARGET_NR_read:
53a5960a
PB		 2464 page_unprotect_range(arg2, arg3);
2465 p = lock_user(arg2, arg3, 0);
2466 ret = get_errno(read(arg1, p, arg3));
2467 unlock_user(p, arg2, ret);
31e31b8a
FB		 2468 break;
2469 case TARGET_NR_write:
53a5960a
PB		 2470 p = lock_user(arg2, arg3, 1);
2471 ret = get_errno(write(arg1, p, arg3));
2472 unlock_user(p, arg2, 0);
31e31b8a
FB		 2473 break;
2474 case TARGET_NR_open:
53a5960a
PB		 2475 p = lock_user_string(arg1);
2476 ret = get_errno(open(path(p),
ffa65c3b
FB		 2477 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2478 arg3));
53a5960a 2479 unlock_user(p, arg1, 0);
31e31b8a
FB		 2480 break;
2481 case TARGET_NR_close:
2482 ret = get_errno(close(arg1));
2483 break;
2484 case TARGET_NR_brk:
53a5960a 2485 ret = do_brk(arg1);
31e31b8a
FB		 2486 break;
2487 case TARGET_NR_fork:
1b6b029e 2488 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a 2489 break;
e5febef5 2490#ifdef TARGET_NR_waitpid
31e31b8a
FB		 2491 case TARGET_NR_waitpid:
2492 {
53a5960a
PB		 2493 int status;
2494 ret = get_errno(waitpid(arg1, &status, arg3));
2495 if (!is_error(ret) && arg2)
2496 tput32(arg2, status);
31e31b8a
FB		 2497 }
2498 break;
e5febef5 2499#endif
7a3148a9 2500#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 2501 case TARGET_NR_creat:
53a5960a
PB		 2502 p = lock_user_string(arg1);
2503 ret = get_errno(creat(p, arg2));
2504 unlock_user(p, arg1, 0);
31e31b8a 2505 break;
7a3148a9 2506#endif
31e31b8a 2507 case TARGET_NR_link:
53a5960a
PB		 2508 {
2509 void * p2;
2510 p = lock_user_string(arg1);
2511 p2 = lock_user_string(arg2);
2512 ret = get_errno(link(p, p2));
2513 unlock_user(p2, arg2, 0);
2514 unlock_user(p, arg1, 0);
2515 }
31e31b8a
FB		 2516 break;
2517 case TARGET_NR_unlink:
53a5960a
PB		 2518 p = lock_user_string(arg1);
2519 ret = get_errno(unlink(p));
2520 unlock_user(p, arg1, 0);
31e31b8a
FB		 2521 break;
2522 case TARGET_NR_execve:
7854b056
FB		 2523 {
2524 char **argp, **envp;
f7341ff4 2525 int argc, envc;
53a5960a
PB		 2526 target_ulong gp;
2527 target_ulong guest_argp;
2528 target_ulong guest_envp;
2529 target_ulong addr;
7854b056
FB		 2530 char **q;
2531
f7341ff4 2532 argc = 0;
53a5960a
PB		 2533 guest_argp = arg2;
2534 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2535 argc++;
f7341ff4 2536 envc = 0;
53a5960a
PB		 2537 guest_envp = arg3;
2538 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2539 envc++;
2540
f7341ff4
FB		 2541 argp = alloca((argc + 1) * sizeof(void *));
2542 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2543
53a5960a
PB		 2544 for (gp = guest_argp, q = argp; ;
2545 gp += sizeof(target_ulong), q++) {
2546 addr = tgetl(gp);
2547 if (!addr)
2548 break;
2549 *q = lock_user_string(addr);
2550 }
f7341ff4
FB		 2551 *q = NULL;
2552
53a5960a
PB		 2553 for (gp = guest_envp, q = envp; ;
2554 gp += sizeof(target_ulong), q++) {
2555 addr = tgetl(gp);
2556 if (!addr)
2557 break;
2558 *q = lock_user_string(addr);
2559 }
f7341ff4 2560 *q = NULL;
7854b056 2561
53a5960a
PB		 2562 p = lock_user_string(arg1);
2563 ret = get_errno(execve(p, argp, envp));
2564 unlock_user(p, arg1, 0);
2565
2566 for (gp = guest_argp, q = argp; *q;
2567 gp += sizeof(target_ulong), q++) {
2568 addr = tgetl(gp);
2569 unlock_user(*q, addr, 0);
2570 }
2571 for (gp = guest_envp, q = envp; *q;
2572 gp += sizeof(target_ulong), q++) {
2573 addr = tgetl(gp);
2574 unlock_user(*q, addr, 0);
2575 }
7854b056 2576 }
31e31b8a
FB		 2577 break;
2578 case TARGET_NR_chdir:
53a5960a
PB		 2579 p = lock_user_string(arg1);
2580 ret = get_errno(chdir(p));
2581 unlock_user(p, arg1, 0);
31e31b8a 2582 break;
a315a145 2583#ifdef TARGET_NR_time
31e31b8a
FB		 2584 case TARGET_NR_time:
2585 {
53a5960a
PB		 2586 time_t host_time;
2587 ret = get_errno(time(&host_time));
2588 if (!is_error(ret) && arg1)
2589 tputl(arg1, host_time);
31e31b8a
FB		 2590 }
2591 break;
a315a145 2592#endif
31e31b8a 2593 case TARGET_NR_mknod:
53a5960a
PB		 2594 p = lock_user_string(arg1);
2595 ret = get_errno(mknod(p, arg2, arg3));
2596 unlock_user(p, arg1, 0);
31e31b8a
FB		 2597 break;
2598 case TARGET_NR_chmod:
53a5960a
PB		 2599 p = lock_user_string(arg1);
2600 ret = get_errno(chmod(p, arg2));
2601 unlock_user(p, arg1, 0);
31e31b8a 2602 break;
ebc05488 2603#ifdef TARGET_NR_break
31e31b8a
FB		 2604 case TARGET_NR_break:
2605 goto unimplemented;
ebc05488
FB		 2606#endif
2607#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2608 case TARGET_NR_oldstat:
2609 goto unimplemented;
ebc05488 2610#endif
31e31b8a
FB		 2611 case TARGET_NR_lseek:
2612 ret = get_errno(lseek(arg1, arg2, arg3));
2613 break;
7a3148a9
JM		 2614#ifdef TARGET_NR_getxpid
2615 case TARGET_NR_getxpid:
2616#else
31e31b8a 2617 case TARGET_NR_getpid:
7a3148a9 2618#endif
31e31b8a
FB		 2619 ret = get_errno(getpid());
2620 break;
2621 case TARGET_NR_mount:
80265918
TS		 2622 {
2623 /* need to look at the data field */
2624 void *p2, *p3;
2625 p = lock_user_string(arg1);
2626 p2 = lock_user_string(arg2);
2627 p3 = lock_user_string(arg3);
2628 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2629 unlock_user(p, arg1, 0);
2630 unlock_user(p2, arg2, 0);
2631 unlock_user(p3, arg3, 0);
2632 break;
2633 }
e5febef5 2634#ifdef TARGET_NR_umount
31e31b8a 2635 case TARGET_NR_umount:
53a5960a
PB		 2636 p = lock_user_string(arg1);
2637 ret = get_errno(umount(p));
2638 unlock_user(p, arg1, 0);
31e31b8a 2639 break;
e5febef5 2640#endif
7a3148a9 2641#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 2642 case TARGET_NR_stime:
2643 {
53a5960a
PB		 2644 time_t host_time;
2645 host_time = tgetl(arg1);
2646 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2647 }
2648 break;
7a3148a9 2649#endif
31e31b8a
FB		 2650 case TARGET_NR_ptrace:
2651 goto unimplemented;
7a3148a9 2652#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 2653 case TARGET_NR_alarm:
2654 ret = alarm(arg1);
2655 break;
7a3148a9 2656#endif
ebc05488 2657#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2658 case TARGET_NR_oldfstat:
2659 goto unimplemented;
ebc05488 2660#endif
7a3148a9 2661#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 2662 case TARGET_NR_pause:
2663 ret = get_errno(pause());
2664 break;
7a3148a9 2665#endif
e5febef5 2666#ifdef TARGET_NR_utime
31e31b8a 2667 case TARGET_NR_utime:
ebc05488 2668 {
53a5960a
PB		 2669 struct utimbuf tbuf, *host_tbuf;
2670 struct target_utimbuf *target_tbuf;
2671 if (arg2) {
2672 lock_user_struct(target_tbuf, arg2, 1);
2673 tbuf.actime = tswapl(target_tbuf->actime);
2674 tbuf.modtime = tswapl(target_tbuf->modtime);
2675 unlock_user_struct(target_tbuf, arg2, 0);
2676 host_tbuf = &tbuf;
f72e8ff4 2677 } else {
53a5960a 2678 host_tbuf = NULL;
f72e8ff4 2679 }
53a5960a
PB		 2680 p = lock_user_string(arg1);
2681 ret = get_errno(utime(p, host_tbuf));
2682 unlock_user(p, arg1, 0);
ebc05488
FB		 2683 }
2684 break;
e5febef5 2685#endif
978a66ff
FB		 2686 case TARGET_NR_utimes:
2687 {
978a66ff 2688 struct timeval *tvp, tv[2];
53a5960a
PB		 2689 if (arg2) {
2690 target_to_host_timeval(&tv[0], arg2);
2691 target_to_host_timeval(&tv[1],
2692 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2693 tvp = tv;
2694 } else {
2695 tvp = NULL;
2696 }
53a5960a
PB		 2697 p = lock_user_string(arg1);
2698 ret = get_errno(utimes(p, tvp));
2699 unlock_user(p, arg1, 0);
978a66ff
FB		 2700 }
2701 break;
ebc05488 2702#ifdef TARGET_NR_stty
31e31b8a
FB		 2703 case TARGET_NR_stty:
2704 goto unimplemented;
ebc05488
FB		 2705#endif
2706#ifdef TARGET_NR_gtty
31e31b8a
FB		 2707 case TARGET_NR_gtty:
2708 goto unimplemented;
ebc05488 2709#endif
31e31b8a 2710 case TARGET_NR_access:
53a5960a
PB		 2711 p = lock_user_string(arg1);
2712 ret = get_errno(access(p, arg2));
2713 unlock_user(p, arg1, 0);
31e31b8a 2714 break;
7a3148a9 2715#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 2716 case TARGET_NR_nice:
2717 ret = get_errno(nice(arg1));
2718 break;
7a3148a9 2719#endif
ebc05488 2720#ifdef TARGET_NR_ftime
31e31b8a
FB		 2721 case TARGET_NR_ftime:
2722 goto unimplemented;
ebc05488 2723#endif
31e31b8a 2724 case TARGET_NR_sync:
04369ff2
FB		 2725 sync();
2726 ret = 0;
31e31b8a
FB		 2727 break;
2728 case TARGET_NR_kill:
2729 ret = get_errno(kill(arg1, arg2));
2730 break;
2731 case TARGET_NR_rename:
53a5960a
PB		 2732 {
2733 void *p2;
2734 p = lock_user_string(arg1);
2735 p2 = lock_user_string(arg2);
2736 ret = get_errno(rename(p, p2));
2737 unlock_user(p2, arg2, 0);
2738 unlock_user(p, arg1, 0);
2739 }
31e31b8a
FB		 2740 break;
2741 case TARGET_NR_mkdir:
53a5960a
PB		 2742 p = lock_user_string(arg1);
2743 ret = get_errno(mkdir(p, arg2));
2744 unlock_user(p, arg1, 0);
31e31b8a
FB		 2745 break;
2746 case TARGET_NR_rmdir:
53a5960a
PB		 2747 p = lock_user_string(arg1);
2748 ret = get_errno(rmdir(p));
2749 unlock_user(p, arg1, 0);
31e31b8a
FB		 2750 break;
2751 case TARGET_NR_dup:
2752 ret = get_errno(dup(arg1));
2753 break;
2754 case TARGET_NR_pipe:
2755 {
53a5960a
PB		 2756 int host_pipe[2];
2757 ret = get_errno(pipe(host_pipe));
31e31b8a 2758 if (!is_error(ret)) {
c12ab05c
TS		 2759#if defined(TARGET_MIPS)
2760 ((CPUMIPSState*)cpu_env)->gpr[3] = host_pipe[1];
2761 ret = host_pipe[0];
2762#else
53a5960a
PB		 2763 tput32(arg1, host_pipe[0]);
2764 tput32(arg1 + 4, host_pipe[1]);
c12ab05c 2765#endif
31e31b8a
FB		 2766 }
2767 }
2768 break;
2769 case TARGET_NR_times:
32f36bce 2770 {
53a5960a 2771 struct target_tms *tmsp;
32f36bce
FB		 2772 struct tms tms;
2773 ret = get_errno(times(&tms));
53a5960a
PB		 2774 if (arg1) {
2775 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 2776 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2777 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2778 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2779 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 2780 }
c596ed17
FB		 2781 if (!is_error(ret))
2782 ret = host_to_target_clock_t(ret);
32f36bce
FB		 2783 }
2784 break;
ebc05488 2785#ifdef TARGET_NR_prof
31e31b8a
FB		 2786 case TARGET_NR_prof:
2787 goto unimplemented;
ebc05488 2788#endif
e5febef5 2789#ifdef TARGET_NR_signal
31e31b8a
FB		 2790 case TARGET_NR_signal:
2791 goto unimplemented;
e5febef5 2792#endif
31e31b8a 2793 case TARGET_NR_acct:
24836689
PB		 2794 p = lock_user_string(arg1);
2795 ret = get_errno(acct(path(p)));
2796 unlock_user(p, arg1, 0);
2797 break;
7a3148a9 2798#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 2799 case TARGET_NR_umount2:
53a5960a
PB		 2800 p = lock_user_string(arg1);
2801 ret = get_errno(umount2(p, arg2));
2802 unlock_user(p, arg1, 0);
31e31b8a 2803 break;
7a3148a9 2804#endif
ebc05488 2805#ifdef TARGET_NR_lock
31e31b8a
FB		 2806 case TARGET_NR_lock:
2807 goto unimplemented;
ebc05488 2808#endif
31e31b8a
FB		 2809 case TARGET_NR_ioctl:
2810 ret = do_ioctl(arg1, arg2, arg3);
2811 break;
2812 case TARGET_NR_fcntl:
7775e9ec 2813 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 2814 break;
ebc05488 2815#ifdef TARGET_NR_mpx
31e31b8a
FB		 2816 case TARGET_NR_mpx:
2817 goto unimplemented;
ebc05488 2818#endif
31e31b8a
FB		 2819 case TARGET_NR_setpgid:
2820 ret = get_errno(setpgid(arg1, arg2));
2821 break;
ebc05488 2822#ifdef TARGET_NR_ulimit
31e31b8a
FB		 2823 case TARGET_NR_ulimit:
2824 goto unimplemented;
ebc05488
FB		 2825#endif
2826#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 2827 case TARGET_NR_oldolduname:
2828 goto unimplemented;
ebc05488 2829#endif
31e31b8a
FB		 2830 case TARGET_NR_umask:
2831 ret = get_errno(umask(arg1));
2832 break;
2833 case TARGET_NR_chroot:
53a5960a
PB		 2834 p = lock_user_string(arg1);
2835 ret = get_errno(chroot(p));
2836 unlock_user(p, arg1, 0);
31e31b8a
FB		 2837 break;
2838 case TARGET_NR_ustat:
2839 goto unimplemented;
2840 case TARGET_NR_dup2:
2841 ret = get_errno(dup2(arg1, arg2));
2842 break;
7a3148a9 2843#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 2844 case TARGET_NR_getppid:
2845 ret = get_errno(getppid());
2846 break;
7a3148a9 2847#endif
31e31b8a
FB		 2848 case TARGET_NR_getpgrp:
2849 ret = get_errno(getpgrp());
2850 break;
2851 case TARGET_NR_setsid:
2852 ret = get_errno(setsid());
2853 break;
e5febef5 2854#ifdef TARGET_NR_sigaction
31e31b8a 2855 case TARGET_NR_sigaction:
31e31b8a 2856 {
388bb21a 2857#if !defined(TARGET_MIPS)
53a5960a 2858 struct target_old_sigaction *old_act;
66fb9763 2859 struct target_sigaction act, oact, *pact;
53a5960a
PB		 2860 if (arg2) {
2861 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 2862 act._sa_handler = old_act->_sa_handler;
2863 target_siginitset(&act.sa_mask, old_act->sa_mask);
2864 act.sa_flags = old_act->sa_flags;
2865 act.sa_restorer = old_act->sa_restorer;
53a5960a 2866 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 2867 pact = &act;
2868 } else {
2869 pact = NULL;
2870 }
2871 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 2872 if (!is_error(ret) && arg3) {
2873 lock_user_struct(old_act, arg3, 0);
2874 old_act->_sa_handler = oact._sa_handler;
2875 old_act->sa_mask = oact.sa_mask.sig[0];
2876 old_act->sa_flags = oact.sa_flags;
2877 old_act->sa_restorer = oact.sa_restorer;
2878 unlock_user_struct(old_act, arg3, 1);
66fb9763 2879 }
388bb21a 2880#else
106ec879
FB		 2881 struct target_sigaction act, oact, *pact, *old_act;
2882
2883 if (arg2) {
2884 lock_user_struct(old_act, arg2, 1);
2885 act._sa_handler = old_act->_sa_handler;
2886 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2887 act.sa_flags = old_act->sa_flags;
2888 unlock_user_struct(old_act, arg2, 0);
2889 pact = &act;
2890 } else {
2891 pact = NULL;
2892 }
2893
2894 ret = get_errno(do_sigaction(arg1, pact, &oact));
2895
2896 if (!is_error(ret) && arg3) {
2897 lock_user_struct(old_act, arg3, 0);
2898 old_act->_sa_handler = oact._sa_handler;
2899 old_act->sa_flags = oact.sa_flags;
2900 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2901 old_act->sa_mask.sig[1] = 0;
2902 old_act->sa_mask.sig[2] = 0;
2903 old_act->sa_mask.sig[3] = 0;
2904 unlock_user_struct(old_act, arg3, 1);
2905 }
388bb21a 2906#endif
31e31b8a
FB		 2907 }
2908 break;
e5febef5 2909#endif
66fb9763 2910 case TARGET_NR_rt_sigaction:
53a5960a
PB		 2911 {
2912 struct target_sigaction *act;
2913 struct target_sigaction *oact;
2914
2915 if (arg2)
2916 lock_user_struct(act, arg2, 1);
2917 else
2918 act = NULL;
2919 if (arg3)
2920 lock_user_struct(oact, arg3, 0);
2921 else
2922 oact = NULL;
2923 ret = get_errno(do_sigaction(arg1, act, oact));
2924 if (arg2)
2925 unlock_user_struct(act, arg2, 0);
2926 if (arg3)
2927 unlock_user_struct(oact, arg3, 1);
2928 }
66fb9763 2929 break;
7a3148a9 2930#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 2931 case TARGET_NR_sgetmask:
66fb9763
FB		 2932 {
2933 sigset_t cur_set;
2934 target_ulong target_set;
2935 sigprocmask(0, NULL, &cur_set);
2936 host_to_target_old_sigset(&target_set, &cur_set);
2937 ret = target_set;
2938 }
2939 break;
7a3148a9
JM		 2940#endif
2941#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 2942 case TARGET_NR_ssetmask:
66fb9763
FB		 2943 {
2944 sigset_t set, oset, cur_set;
2945 target_ulong target_set = arg1;
2946 sigprocmask(0, NULL, &cur_set);
2947 target_to_host_old_sigset(&set, &target_set);
2948 sigorset(&set, &set, &cur_set);
2949 sigprocmask(SIG_SETMASK, &set, &oset);
2950 host_to_target_old_sigset(&target_set, &oset);
2951 ret = target_set;
2952 }
2953 break;
7a3148a9 2954#endif
e5febef5 2955#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 2956 case TARGET_NR_sigprocmask:
2957 {
2958 int how = arg1;
2959 sigset_t set, oldset, *set_ptr;
66fb9763 2960
53a5960a 2961 if (arg2) {
66fb9763
FB		 2962 switch(how) {
2963 case TARGET_SIG_BLOCK:
2964 how = SIG_BLOCK;
2965 break;
2966 case TARGET_SIG_UNBLOCK:
2967 how = SIG_UNBLOCK;
2968 break;
2969 case TARGET_SIG_SETMASK:
2970 how = SIG_SETMASK;
2971 break;
2972 default:
2973 ret = -EINVAL;
2974 goto fail;
2975 }
53a5960a
PB		 2976 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2977 target_to_host_old_sigset(&set, p);
2978 unlock_user(p, arg2, 0);
66fb9763
FB		 2979 set_ptr = &set;
2980 } else {
2981 how = 0;
2982 set_ptr = NULL;
2983 }
2984 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 2985 if (!is_error(ret) && arg3) {
2986 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2987 host_to_target_old_sigset(p, &oldset);
2988 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2989 }
2990 }
2991 break;
e5febef5 2992#endif
66fb9763
FB		 2993 case TARGET_NR_rt_sigprocmask:
2994 {
2995 int how = arg1;
2996 sigset_t set, oldset, *set_ptr;
66fb9763 2997
53a5960a 2998 if (arg2) {
66fb9763
FB		 2999 switch(how) {
3000 case TARGET_SIG_BLOCK:
3001 how = SIG_BLOCK;
3002 break;
3003 case TARGET_SIG_UNBLOCK:
3004 how = SIG_UNBLOCK;
3005 break;
3006 case TARGET_SIG_SETMASK:
3007 how = SIG_SETMASK;
3008 break;
3009 default:
3010 ret = -EINVAL;
3011 goto fail;
3012 }
53a5960a
PB		 3013 p = lock_user(arg2, sizeof(target_sigset_t), 1);
3014 target_to_host_sigset(&set, p);
3015 unlock_user(p, arg2, 0);
66fb9763
FB		 3016 set_ptr = &set;
3017 } else {
3018 how = 0;
3019 set_ptr = NULL;
3020 }
3021 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 3022 if (!is_error(ret) && arg3) {
3023 p = lock_user(arg3, sizeof(target_sigset_t), 0);
3024 host_to_target_sigset(p, &oldset);
3025 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 3026 }
3027 }
3028 break;
e5febef5 3029#ifdef TARGET_NR_sigpending
66fb9763
FB		 3030 case TARGET_NR_sigpending:
3031 {
3032 sigset_t set;
3033 ret = get_errno(sigpending(&set));
3034 if (!is_error(ret)) {
53a5960a
PB		 3035 p = lock_user(arg1, sizeof(target_sigset_t), 0);
3036 host_to_target_old_sigset(p, &set);
3037 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 3038 }
3039 }
3040 break;
e5febef5 3041#endif
66fb9763
FB		 3042 case TARGET_NR_rt_sigpending:
3043 {
3044 sigset_t set;
3045 ret = get_errno(sigpending(&set));
3046 if (!is_error(ret)) {
53a5960a
PB		 3047 p = lock_user(arg1, sizeof(target_sigset_t), 0);
3048 host_to_target_sigset(p, &set);
3049 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 3050 }
3051 }
3052 break;
e5febef5 3053#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 3054 case TARGET_NR_sigsuspend:
3055 {
3056 sigset_t set;
53a5960a
PB		 3057 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3058 target_to_host_old_sigset(&set, p);
3059 unlock_user(p, arg1, 0);
66fb9763
FB		 3060 ret = get_errno(sigsuspend(&set));
3061 }
3062 break;
e5febef5 3063#endif
66fb9763
FB		 3064 case TARGET_NR_rt_sigsuspend:
3065 {
3066 sigset_t set;
53a5960a
PB		 3067 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3068 target_to_host_sigset(&set, p);
3069 unlock_user(p, arg1, 0);
66fb9763
FB		 3070 ret = get_errno(sigsuspend(&set));
3071 }
3072 break;
3073 case TARGET_NR_rt_sigtimedwait:
3074 {
66fb9763
FB		 3075 sigset_t set;
3076 struct timespec uts, *puts;
3077 siginfo_t uinfo;
3078
53a5960a
PB		 3079 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3080 target_to_host_sigset(&set, p);
3081 unlock_user(p, arg1, 0);
3082 if (arg3) {
66fb9763 3083 puts = &uts;
53a5960a 3084 target_to_host_timespec(puts, arg3);
66fb9763
FB		 3085 } else {
3086 puts = NULL;
3087 }
3088 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 3089 if (!is_error(ret) && arg2) {
3090 p = lock_user(arg2, sizeof(target_sigset_t), 0);
3091 host_to_target_siginfo(p, &uinfo);
3092 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 3093 }
3094 }
3095 break;
3096 case TARGET_NR_rt_sigqueueinfo:
3097 {
3098 siginfo_t uinfo;
53a5960a
PB		 3099 p = lock_user(arg3, sizeof(target_sigset_t), 1);
3100 target_to_host_siginfo(&uinfo, p);
3101 unlock_user(p, arg1, 0);
66fb9763
FB		 3102 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
3103 }
3104 break;
e5febef5 3105#ifdef TARGET_NR_sigreturn
66fb9763
FB		 3106 case TARGET_NR_sigreturn:
3107 /* NOTE: ret is eax, so not transcoding must be done */
3108 ret = do_sigreturn(cpu_env);
3109 break;
e5febef5 3110#endif
66fb9763
FB		 3111 case TARGET_NR_rt_sigreturn:
3112 /* NOTE: ret is eax, so not transcoding must be done */
3113 ret = do_rt_sigreturn(cpu_env);
3114 break;
31e31b8a 3115 case TARGET_NR_sethostname:
53a5960a
PB		 3116 p = lock_user_string(arg1);
3117 ret = get_errno(sethostname(p, arg2));
3118 unlock_user(p, arg1, 0);
31e31b8a
FB		 3119 break;
3120 case TARGET_NR_setrlimit:
9de5e440
FB		 3121 {
3122 /* XXX: convert resource ? */
3123 int resource = arg1;
53a5960a 3124 struct target_rlimit *target_rlim;
9de5e440 3125 struct rlimit rlim;
53a5960a 3126 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3127 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3128 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 3129 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 3130 ret = get_errno(setrlimit(resource, &rlim));
3131 }
3132 break;
31e31b8a 3133 case TARGET_NR_getrlimit:
9de5e440
FB		 3134 {
3135 /* XXX: convert resource ? */
3136 int resource = arg1;
53a5960a 3137 struct target_rlimit *target_rlim;
9de5e440
FB		 3138 struct rlimit rlim;
3139
3140 ret = get_errno(getrlimit(resource, &rlim));
3141 if (!is_error(ret)) {
53a5960a
PB		 3142 lock_user_struct(target_rlim, arg2, 0);
3143 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3144 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3145 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3146 }
3147 }
3148 break;
31e31b8a 3149 case TARGET_NR_getrusage:
b409186b
FB		 3150 {
3151 struct rusage rusage;
b409186b
FB		 3152 ret = get_errno(getrusage(arg1, &rusage));
3153 if (!is_error(ret)) {
53a5960a 3154 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 3155 }
3156 }
3157 break;
31e31b8a
FB		 3158 case TARGET_NR_gettimeofday:
3159 {
31e31b8a
FB		 3160 struct timeval tv;
3161 ret = get_errno(gettimeofday(&tv, NULL));
3162 if (!is_error(ret)) {
53a5960a 3163 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 3164 }
3165 }
3166 break;
3167 case TARGET_NR_settimeofday:
3168 {
31e31b8a 3169 struct timeval tv;
53a5960a 3170 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 3171 ret = get_errno(settimeofday(&tv, NULL));
3172 }
3173 break;
048f6b4d 3174#ifdef TARGET_NR_select
31e31b8a 3175 case TARGET_NR_select:
f2674e31 3176 {
53a5960a
PB		 3177 struct target_sel_arg_struct *sel;
3178 target_ulong inp, outp, exp, tvp;
3179 long nsel;
3180
3181 lock_user_struct(sel, arg1, 1);
3182 nsel = tswapl(sel->n);
3183 inp = tswapl(sel->inp);
3184 outp = tswapl(sel->outp);
3185 exp = tswapl(sel->exp);
3186 tvp = tswapl(sel->tvp);
3187 unlock_user_struct(sel, arg1, 0);
3188 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 3189 }
3190 break;
048f6b4d 3191#endif
31e31b8a 3192 case TARGET_NR_symlink:
53a5960a
PB		 3193 {
3194 void *p2;
3195 p = lock_user_string(arg1);
3196 p2 = lock_user_string(arg2);
3197 ret = get_errno(symlink(p, p2));
3198 unlock_user(p2, arg2, 0);
3199 unlock_user(p, arg1, 0);
3200 }
31e31b8a 3201 break;
ebc05488 3202#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 3203 case TARGET_NR_oldlstat:
3204 goto unimplemented;
ebc05488 3205#endif
31e31b8a 3206 case TARGET_NR_readlink:
53a5960a
PB		 3207 {
3208 void *p2;
3209 p = lock_user_string(arg1);
3210 p2 = lock_user(arg2, arg3, 0);
3211 ret = get_errno(readlink(path(p), p2, arg3));
3212 unlock_user(p2, arg2, ret);
3213 unlock_user(p, arg1, 0);
3214 }
31e31b8a 3215 break;
e5febef5 3216#ifdef TARGET_NR_uselib
31e31b8a
FB		 3217 case TARGET_NR_uselib:
3218 goto unimplemented;
e5febef5
TS		 3219#endif
3220#ifdef TARGET_NR_swapon
31e31b8a 3221 case TARGET_NR_swapon:
53a5960a
PB		 3222 p = lock_user_string(arg1);
3223 ret = get_errno(swapon(p, arg2));
3224 unlock_user(p, arg1, 0);
31e31b8a 3225 break;
e5febef5 3226#endif
31e31b8a
FB		 3227 case TARGET_NR_reboot:
3228 goto unimplemented;
e5febef5 3229#ifdef TARGET_NR_readdir
31e31b8a
FB		 3230 case TARGET_NR_readdir:
3231 goto unimplemented;
e5febef5
TS		 3232#endif
3233#ifdef TARGET_NR_mmap
31e31b8a 3234 case TARGET_NR_mmap:
e6e5906b 3235#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
31e31b8a 3236 {
53a5960a
PB		 3237 target_ulong *v;
3238 target_ulong v1, v2, v3, v4, v5, v6;
3239 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
3240 v1 = tswapl(v[0]);
3241 v2 = tswapl(v[1]);
3242 v3 = tswapl(v[2]);
3243 v4 = tswapl(v[3]);
3244 v5 = tswapl(v[4]);
3245 v6 = tswapl(v[5]);
3246 unlock_user(v, arg1, 0);
5286db75
FB		 3247 ret = get_errno(target_mmap(v1, v2, v3,
3248 target_to_host_bitmask(v4, mmap_flags_tbl),
3249 v5, v6));
31e31b8a 3250 }
31e31b8a 3251#else
6fb883e8
FB		 3252 ret = get_errno(target_mmap(arg1, arg2, arg3,
3253 target_to_host_bitmask(arg4, mmap_flags_tbl),
3254 arg5,
3255 arg6));
31e31b8a 3256#endif
6fb883e8 3257 break;
e5febef5 3258#endif
a315a145 3259#ifdef TARGET_NR_mmap2
6fb883e8 3260 case TARGET_NR_mmap2:
0d3267a7 3261#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 3262#define MMAP_SHIFT 12
3263#else
3264#define MMAP_SHIFT TARGET_PAGE_BITS
3265#endif
5286db75
FB		 3266 ret = get_errno(target_mmap(arg1, arg2, arg3,
3267 target_to_host_bitmask(arg4, mmap_flags_tbl),
3268 arg5,
c573ff67 3269 arg6 << MMAP_SHIFT));
31e31b8a 3270 break;
a315a145 3271#endif
31e31b8a 3272 case TARGET_NR_munmap:
54936004 3273 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 3274 break;
9de5e440 3275 case TARGET_NR_mprotect:
54936004 3276 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 3277 break;
e5febef5 3278#ifdef TARGET_NR_mremap
9de5e440 3279 case TARGET_NR_mremap:
54936004 3280 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 3281 break;
e5febef5 3282#endif
53a5960a 3283 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 3284#ifdef TARGET_NR_msync
9de5e440 3285 case TARGET_NR_msync:
53a5960a 3286 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 3287 break;
e5febef5
TS		 3288#endif
3289#ifdef TARGET_NR_mlock
9de5e440 3290 case TARGET_NR_mlock:
53a5960a 3291 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 3292 break;
e5febef5
TS		 3293#endif
3294#ifdef TARGET_NR_munlock
9de5e440 3295 case TARGET_NR_munlock:
53a5960a 3296 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 3297 break;
e5febef5
TS		 3298#endif
3299#ifdef TARGET_NR_mlockall
9de5e440
FB		 3300 case TARGET_NR_mlockall:
3301 ret = get_errno(mlockall(arg1));
3302 break;
e5febef5
TS		 3303#endif
3304#ifdef TARGET_NR_munlockall
9de5e440
FB		 3305 case TARGET_NR_munlockall:
3306 ret = get_errno(munlockall());
3307 break;
e5febef5 3308#endif
31e31b8a 3309 case TARGET_NR_truncate:
53a5960a
PB		 3310 p = lock_user_string(arg1);
3311 ret = get_errno(truncate(p, arg2));
3312 unlock_user(p, arg1, 0);
31e31b8a
FB		 3313 break;
3314 case TARGET_NR_ftruncate:
3315 ret = get_errno(ftruncate(arg1, arg2));
3316 break;
3317 case TARGET_NR_fchmod:
3318 ret = get_errno(fchmod(arg1, arg2));
3319 break;
31e31b8a
FB		 3320 case TARGET_NR_getpriority:
3321 ret = get_errno(getpriority(arg1, arg2));
3322 break;
3323 case TARGET_NR_setpriority:
3324 ret = get_errno(setpriority(arg1, arg2, arg3));
3325 break;
ebc05488 3326#ifdef TARGET_NR_profil
31e31b8a
FB		 3327 case TARGET_NR_profil:
3328 goto unimplemented;
ebc05488 3329#endif
31e31b8a 3330 case TARGET_NR_statfs:
53a5960a
PB		 3331 p = lock_user_string(arg1);
3332 ret = get_errno(statfs(path(p), &stfs));
3333 unlock_user(p, arg1, 0);
31e31b8a
FB		 3334 convert_statfs:
3335 if (!is_error(ret)) {
53a5960a 3336 struct target_statfs *target_stfs;
56c8f68f 3337
53a5960a
PB		 3338 lock_user_struct(target_stfs, arg2, 0);
3339 /* ??? put_user is probably wrong. */
56c8f68f
FB		 3340 put_user(stfs.f_type, &target_stfs->f_type);
3341 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3342 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3343 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3344 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3345 put_user(stfs.f_files, &target_stfs->f_files);
3346 put_user(stfs.f_ffree, &target_stfs->f_ffree);
3347 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3348 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 3349 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 3350 }
3351 break;
3352 case TARGET_NR_fstatfs:
56c8f68f 3353 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 3354 goto convert_statfs;
56c8f68f
FB		 3355#ifdef TARGET_NR_statfs64
3356 case TARGET_NR_statfs64:
53a5960a
PB		 3357 p = lock_user_string(arg1);
3358 ret = get_errno(statfs(path(p), &stfs));
3359 unlock_user(p, arg1, 0);
56c8f68f
FB		 3360 convert_statfs64:
3361 if (!is_error(ret)) {
53a5960a
PB		 3362 struct target_statfs64 *target_stfs;
3363
3364 lock_user_struct(target_stfs, arg3, 0);
3365 /* ??? put_user is probably wrong. */
56c8f68f
FB		 3366 put_user(stfs.f_type, &target_stfs->f_type);
3367 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3368 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3369 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3370 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3371 put_user(stfs.f_files, &target_stfs->f_files);
3372 put_user(stfs.f_ffree, &target_stfs->f_ffree);
3373 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3374 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 3375 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 3376 }
3377 break;
3378 case TARGET_NR_fstatfs64:
3379 ret = get_errno(fstatfs(arg1, &stfs));
3380 goto convert_statfs64;
3381#endif
ebc05488 3382#ifdef TARGET_NR_ioperm
31e31b8a
FB		 3383 case TARGET_NR_ioperm:
3384 goto unimplemented;
ebc05488 3385#endif
e5febef5 3386#ifdef TARGET_NR_socketcall
31e31b8a 3387 case TARGET_NR_socketcall:
53a5960a 3388 ret = do_socketcall(arg1, arg2);
31e31b8a 3389 break;
e5febef5 3390#endif
3532fa74
FB		 3391#ifdef TARGET_NR_accept
3392 case TARGET_NR_accept:
1be9e1dc 3393 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 3394 break;
3395#endif
3396#ifdef TARGET_NR_bind
3397 case TARGET_NR_bind:
3398 ret = do_bind(arg1, arg2, arg3);
3399 break;
3400#endif
3401#ifdef TARGET_NR_connect
3402 case TARGET_NR_connect:
3403 ret = do_connect(arg1, arg2, arg3);
3404 break;
3405#endif
3406#ifdef TARGET_NR_getpeername
3407 case TARGET_NR_getpeername:
1be9e1dc 3408 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 3409 break;
3410#endif
3411#ifdef TARGET_NR_getsockname
3412 case TARGET_NR_getsockname:
1be9e1dc 3413 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 3414 break;
3415#endif
3416#ifdef TARGET_NR_getsockopt
3417 case TARGET_NR_getsockopt:
3418 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
3419 break;
3420#endif
3421#ifdef TARGET_NR_listen
3422 case TARGET_NR_listen:
1be9e1dc 3423 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 3424 break;
3425#endif
3426#ifdef TARGET_NR_recv
3427 case TARGET_NR_recv:
214201bd 3428 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3429 break;
3430#endif
3431#ifdef TARGET_NR_recvfrom
3432 case TARGET_NR_recvfrom:
214201bd 3433 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3434 break;
3435#endif
3436#ifdef TARGET_NR_recvmsg
3437 case TARGET_NR_recvmsg:
3438 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3439 break;
3440#endif
3441#ifdef TARGET_NR_send
3442 case TARGET_NR_send:
1be9e1dc 3443 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3444 break;
3445#endif
3446#ifdef TARGET_NR_sendmsg
3447 case TARGET_NR_sendmsg:
3448 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3449 break;
3450#endif
3451#ifdef TARGET_NR_sendto
3452 case TARGET_NR_sendto:
1be9e1dc 3453 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3454 break;
3455#endif
3456#ifdef TARGET_NR_shutdown
3457 case TARGET_NR_shutdown:
1be9e1dc 3458 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 3459 break;
3460#endif
3461#ifdef TARGET_NR_socket
3462 case TARGET_NR_socket:
3463 ret = do_socket(arg1, arg2, arg3);
3464 break;
3465#endif
3466#ifdef TARGET_NR_socketpair
3467 case TARGET_NR_socketpair:
1be9e1dc 3468 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 3469 break;
3470#endif
3471#ifdef TARGET_NR_setsockopt
3472 case TARGET_NR_setsockopt:
3473 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3474 break;
3475#endif
7494b0f9 3476
31e31b8a 3477 case TARGET_NR_syslog:
e5574487
TS		 3478 p = lock_user_string(arg2);
3479 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3480 unlock_user(p, arg2, 0);
7494b0f9
TS		 3481 break;
3482
31e31b8a 3483 case TARGET_NR_setitimer:
66fb9763 3484 {
66fb9763
FB		 3485 struct itimerval value, ovalue, *pvalue;
3486
53a5960a 3487 if (arg2) {
66fb9763
FB		 3488 pvalue = &value;
3489 target_to_host_timeval(&pvalue->it_interval,
53a5960a 3490 arg2);
66fb9763 3491 target_to_host_timeval(&pvalue->it_value,
53a5960a 3492 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 3493 } else {
3494 pvalue = NULL;
3495 }
3496 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 3497 if (!is_error(ret) && arg3) {
3498 host_to_target_timeval(arg3,
66fb9763 3499 &ovalue.it_interval);
53a5960a 3500 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 3501 &ovalue.it_value);
3502 }
3503 }
3504 break;
31e31b8a 3505 case TARGET_NR_getitimer:
66fb9763 3506 {
66fb9763
FB		 3507 struct itimerval value;
3508
3509 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 3510 if (!is_error(ret) && arg2) {
3511 host_to_target_timeval(arg2,
66fb9763 3512 &value.it_interval);
53a5960a 3513 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 3514 &value.it_value);
3515 }
3516 }
3517 break;
31e31b8a 3518 case TARGET_NR_stat:
53a5960a
PB		 3519 p = lock_user_string(arg1);
3520 ret = get_errno(stat(path(p), &st));
3521 unlock_user(p, arg1, 0);
31e31b8a
FB		 3522 goto do_stat;
3523 case TARGET_NR_lstat:
53a5960a
PB		 3524 p = lock_user_string(arg1);
3525 ret = get_errno(lstat(path(p), &st));
3526 unlock_user(p, arg1, 0);
31e31b8a
FB		 3527 goto do_stat;
3528 case TARGET_NR_fstat:
3529 {
3530 ret = get_errno(fstat(arg1, &st));
3531 do_stat:
3532 if (!is_error(ret)) {
53a5960a 3533 struct target_stat *target_st;
e3584658 3534
53a5960a 3535 lock_user_struct(target_st, arg2, 0);
e3584658
TS		 3536#if defined(TARGET_MIPS)
3537 target_st->st_dev = tswap32(st.st_dev);
3538#else
31e31b8a 3539 target_st->st_dev = tswap16(st.st_dev);
e3584658 3540#endif
31e31b8a 3541 target_st->st_ino = tswapl(st.st_ino);
7d600c80 3542#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 3543 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3544 target_st->st_uid = tswap32(st.st_uid);
3545 target_st->st_gid = tswap32(st.st_gid);
3546#else
ec86b0fb 3547 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 3548 target_st->st_uid = tswap16(st.st_uid);
3549 target_st->st_gid = tswap16(st.st_gid);
67867308 3550#endif
e3584658
TS		 3551#if defined(TARGET_MIPS)
3552 /* If this is the same on PPC, then just merge w/ the above ifdef */
3553 target_st->st_nlink = tswapl(st.st_nlink);
3554 target_st->st_rdev = tswapl(st.st_rdev);
3555#else
67867308 3556 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a 3557 target_st->st_rdev = tswap16(st.st_rdev);
e3584658 3558#endif
31e31b8a
FB		 3559 target_st->st_size = tswapl(st.st_size);
3560 target_st->st_blksize = tswapl(st.st_blksize);
3561 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 3562 target_st->target_st_atime = tswapl(st.st_atime);
3563 target_st->target_st_mtime = tswapl(st.st_mtime);
3564 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 3565 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 3566 }
3567 }
3568 break;
ebc05488 3569#ifdef TARGET_NR_olduname
31e31b8a
FB		 3570 case TARGET_NR_olduname:
3571 goto unimplemented;
ebc05488
FB		 3572#endif
3573#ifdef TARGET_NR_iopl
31e31b8a
FB		 3574 case TARGET_NR_iopl:
3575 goto unimplemented;
ebc05488 3576#endif
31e31b8a
FB		 3577 case TARGET_NR_vhangup:
3578 ret = get_errno(vhangup());
3579 break;
ebc05488 3580#ifdef TARGET_NR_idle
31e31b8a
FB		 3581 case TARGET_NR_idle:
3582 goto unimplemented;
42ad6ae9
FB		 3583#endif
3584#ifdef TARGET_NR_syscall
3585 case TARGET_NR_syscall:
3586 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3587 break;
ebc05488 3588#endif
31e31b8a
FB		 3589 case TARGET_NR_wait4:
3590 {
3591 int status;
53a5960a 3592 target_long status_ptr = arg2;
31e31b8a 3593 struct rusage rusage, *rusage_ptr;
53a5960a 3594 target_ulong target_rusage = arg4;
31e31b8a
FB		 3595 if (target_rusage)
3596 rusage_ptr = &rusage;
3597 else
3598 rusage_ptr = NULL;
3599 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3600 if (!is_error(ret)) {
3601 if (status_ptr)
53a5960a 3602 tputl(status_ptr, status);
31e31b8a 3603 if (target_rusage) {
b409186b 3604 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 3605 }
3606 }
3607 }
3608 break;
e5febef5 3609#ifdef TARGET_NR_swapoff
31e31b8a 3610 case TARGET_NR_swapoff:
53a5960a
PB		 3611 p = lock_user_string(arg1);
3612 ret = get_errno(swapoff(p));
3613 unlock_user(p, arg1, 0);
31e31b8a 3614 break;
e5febef5 3615#endif
31e31b8a 3616 case TARGET_NR_sysinfo:
a5448a7d 3617 {
53a5960a 3618 struct target_sysinfo *target_value;
a5448a7d
FB		 3619 struct sysinfo value;
3620 ret = get_errno(sysinfo(&value));
53a5960a 3621 if (!is_error(ret) && arg1)
a5448a7d 3622 {
53a5960a
PB		 3623 /* ??? __put_user is probably wrong. */
3624 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3625 __put_user(value.uptime, &target_value->uptime);
3626 __put_user(value.loads[0], &target_value->loads[0]);
3627 __put_user(value.loads[1], &target_value->loads[1]);
3628 __put_user(value.loads[2], &target_value->loads[2]);
3629 __put_user(value.totalram, &target_value->totalram);
3630 __put_user(value.freeram, &target_value->freeram);
3631 __put_user(value.sharedram, &target_value->sharedram);
3632 __put_user(value.bufferram, &target_value->bufferram);
3633 __put_user(value.totalswap, &target_value->totalswap);
3634 __put_user(value.freeswap, &target_value->freeswap);
3635 __put_user(value.procs, &target_value->procs);
3636 __put_user(value.totalhigh, &target_value->totalhigh);
3637 __put_user(value.freehigh, &target_value->freehigh);
3638 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 3639 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 3640 }
3641 }
3642 break;
e5febef5 3643#ifdef TARGET_NR_ipc
31e31b8a 3644 case TARGET_NR_ipc:
8853f86e
FB		 3645 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3646 break;
e5febef5 3647#endif
31e31b8a
FB		 3648 case TARGET_NR_fsync:
3649 ret = get_errno(fsync(arg1));
3650 break;
31e31b8a 3651 case TARGET_NR_clone:
1b6b029e
FB		 3652 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3653 break;
ec86b0fb
FB		 3654#ifdef __NR_exit_group
3655 /* new thread calls */
3656 case TARGET_NR_exit_group:
e9009676 3657 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 3658 ret = get_errno(exit_group(arg1));
3659 break;
3660#endif
31e31b8a 3661 case TARGET_NR_setdomainname:
53a5960a
PB		 3662 p = lock_user_string(arg1);
3663 ret = get_errno(setdomainname(p, arg2));
3664 unlock_user(p, arg1, 0);
31e31b8a
FB		 3665 break;
3666 case TARGET_NR_uname:
3667 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 3668 {
3669 struct new_utsname * buf;
3670
53a5960a 3671 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 3672 ret = get_errno(sys_uname(buf));
3673 if (!is_error(ret)) {
3674 /* Overrite the native machine name with whatever is being
3675 emulated. */
3676 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 3677 /* Allow the user to override the reported release. */
3678 if (qemu_uname_release && *qemu_uname_release)
3679 strcpy (buf->release, qemu_uname_release);
29e619b1 3680 }
53a5960a 3681 unlock_user_struct(buf, arg1, 1);
29e619b1 3682 }
31e31b8a 3683 break;
6dbad63e 3684#ifdef TARGET_I386
31e31b8a 3685 case TARGET_NR_modify_ldt:
53a5960a 3686 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b 3687 break;
84409ddb 3688#if !defined(TARGET_X86_64)
5cd4393b
FB		 3689 case TARGET_NR_vm86old:
3690 goto unimplemented;
3691 case TARGET_NR_vm86:
53a5960a 3692 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 3693 break;
84409ddb 3694#endif
6dbad63e 3695#endif
31e31b8a
FB		 3696 case TARGET_NR_adjtimex:
3697 goto unimplemented;
e5febef5 3698#ifdef TARGET_NR_create_module
31e31b8a 3699 case TARGET_NR_create_module:
e5febef5 3700#endif
31e31b8a
FB		 3701 case TARGET_NR_init_module:
3702 case TARGET_NR_delete_module:
e5febef5 3703#ifdef TARGET_NR_get_kernel_syms
31e31b8a 3704 case TARGET_NR_get_kernel_syms:
e5febef5 3705#endif
31e31b8a
FB		 3706 goto unimplemented;
3707 case TARGET_NR_quotactl:
3708 goto unimplemented;
3709 case TARGET_NR_getpgid:
3710 ret = get_errno(getpgid(arg1));
3711 break;
3712 case TARGET_NR_fchdir:
3713 ret = get_errno(fchdir(arg1));
3714 break;
84409ddb 3715#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 3716 case TARGET_NR_bdflush:
3717 goto unimplemented;
84409ddb 3718#endif
e5febef5 3719#ifdef TARGET_NR_sysfs
31e31b8a
FB		 3720 case TARGET_NR_sysfs:
3721 goto unimplemented;
e5febef5 3722#endif
31e31b8a 3723 case TARGET_NR_personality:
1b6b029e 3724 ret = get_errno(personality(arg1));
31e31b8a 3725 break;
e5febef5 3726#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 3727 case TARGET_NR_afs_syscall:
3728 goto unimplemented;
e5febef5 3729#endif
7a3148a9 3730#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 3731 case TARGET_NR__llseek:
3732 {
4f2ac237
FB		 3733#if defined (__x86_64__)
3734 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 3735 tput64(arg4, ret);
4f2ac237 3736#else
31e31b8a
FB		 3737 int64_t res;
3738 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 3739 tput64(arg4, res);
4f2ac237 3740#endif
31e31b8a
FB		 3741 }
3742 break;
7a3148a9 3743#endif
31e31b8a
FB		 3744 case TARGET_NR_getdents:
3745#if TARGET_LONG_SIZE != 4
53a5960a 3746 goto unimplemented;
a315a145 3747#warning not supported
4add45b4
FB		 3748#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3749 {
53a5960a 3750 struct target_dirent *target_dirp;
4add45b4
FB		 3751 struct dirent *dirp;
3752 long count = arg3;
3753
3754 dirp = malloc(count);
3755 if (!dirp)
3756 return -ENOMEM;
3757
3758 ret = get_errno(sys_getdents(arg1, dirp, count));
3759 if (!is_error(ret)) {
3760 struct dirent *de;
3761 struct target_dirent *tde;
3762 int len = ret;
3763 int reclen, treclen;
3764 int count1, tnamelen;
3765
3766 count1 = 0;
3767 de = dirp;
53a5960a 3768 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 3769 tde = target_dirp;
3770 while (len > 0) {
3771 reclen = de->d_reclen;
3772 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3773 tde->d_reclen = tswap16(treclen);
3774 tde->d_ino = tswapl(de->d_ino);
3775 tde->d_off = tswapl(de->d_off);
3776 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3777 if (tnamelen > 256)
3778 tnamelen = 256;
80a9d035 3779 /* XXX: may not be correct */
4add45b4
FB		 3780 strncpy(tde->d_name, de->d_name, tnamelen);
3781 de = (struct dirent *)((char *)de + reclen);
3782 len -= reclen;
1c5bf3bf 3783 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 3784 count1 += treclen;
3785 }
3786 ret = count1;
3787 }
53a5960a 3788 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 3789 free(dirp);
3790 }
3791#else
31e31b8a 3792 {
53a5960a 3793 struct dirent *dirp;
31e31b8a 3794 long count = arg3;
dab2ed99 3795
53a5960a 3796 dirp = lock_user(arg2, count, 0);
72f03900 3797 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 3798 if (!is_error(ret)) {
3799 struct dirent *de;
3800 int len = ret;
3801 int reclen;
3802 de = dirp;
3803 while (len > 0) {
8083a3e5 3804 reclen = de->d_reclen;
31e31b8a
FB		 3805 if (reclen > len)
3806 break;
8083a3e5 3807 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 3808 tswapls(&de->d_ino);
3809 tswapls(&de->d_off);
3810 de = (struct dirent *)((char *)de + reclen);
3811 len -= reclen;
3812 }
3813 }
53a5960a 3814 unlock_user(dirp, arg2, ret);
31e31b8a 3815 }
4add45b4 3816#endif
31e31b8a 3817 break;
a541f297 3818#ifdef TARGET_NR_getdents64
dab2ed99
FB		 3819 case TARGET_NR_getdents64:
3820 {
53a5960a 3821 struct dirent64 *dirp;
dab2ed99 3822 long count = arg3;
53a5960a 3823 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 3824 ret = get_errno(sys_getdents64(arg1, dirp, count));
3825 if (!is_error(ret)) {
3826 struct dirent64 *de;
3827 int len = ret;
3828 int reclen;
3829 de = dirp;
3830 while (len > 0) {
8083a3e5 3831 reclen = de->d_reclen;
dab2ed99
FB		 3832 if (reclen > len)
3833 break;
8083a3e5 3834 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 3835 tswap64s(&de->d_ino);
3836 tswap64s(&de->d_off);
3837 de = (struct dirent64 *)((char *)de + reclen);
3838 len -= reclen;
3839 }
3840 }
53a5960a 3841 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 3842 }
3843 break;
a541f297 3844#endif /* TARGET_NR_getdents64 */
e5febef5 3845#ifdef TARGET_NR__newselect
31e31b8a 3846 case TARGET_NR__newselect:
53a5960a 3847 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 3848 break;
e5febef5
TS		 3849#endif
3850#ifdef TARGET_NR_poll
9de5e440
FB		 3851 case TARGET_NR_poll:
3852 {
53a5960a 3853 struct target_pollfd *target_pfd;
9de5e440
FB		 3854 unsigned int nfds = arg2;
3855 int timeout = arg3;
3856 struct pollfd *pfd;
7854b056 3857 unsigned int i;
9de5e440 3858
53a5960a 3859 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 3860 pfd = alloca(sizeof(struct pollfd) * nfds);
3861 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 3862 pfd[i].fd = tswap32(target_pfd[i].fd);
3863 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 3864 }
3865 ret = get_errno(poll(pfd, nfds, timeout));
3866 if (!is_error(ret)) {
3867 for(i = 0; i < nfds; i++) {
5cd4393b 3868 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 3869 }
53a5960a
PB		 3870 ret += nfds * (sizeof(struct target_pollfd)
3871 - sizeof(struct pollfd));
9de5e440 3872 }
53a5960a 3873 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 3874 }
3875 break;
e5febef5 3876#endif
31e31b8a 3877 case TARGET_NR_flock:
9de5e440
FB		 3878 /* NOTE: the flock constant seems to be the same for every
3879 Linux platform */
3880 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 3881 break;
3882 case TARGET_NR_readv:
3883 {
3884 int count = arg3;
31e31b8a 3885 struct iovec *vec;
31e31b8a
FB		 3886
3887 vec = alloca(count * sizeof(struct iovec));
53a5960a 3888 lock_iovec(vec, arg2, count, 0);
31e31b8a 3889 ret = get_errno(readv(arg1, vec, count));
53a5960a 3890 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 3891 }
3892 break;
3893 case TARGET_NR_writev:
3894 {
3895 int count = arg3;
31e31b8a 3896 struct iovec *vec;
31e31b8a
FB		 3897
3898 vec = alloca(count * sizeof(struct iovec));
53a5960a 3899 lock_iovec(vec, arg2, count, 1);
31e31b8a 3900 ret = get_errno(writev(arg1, vec, count));
53a5960a 3901 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 3902 }
3903 break;
3904 case TARGET_NR_getsid:
3905 ret = get_errno(getsid(arg1));
3906 break;
7a3148a9 3907#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 3908 case TARGET_NR_fdatasync:
5cd4393b
FB		 3909 ret = get_errno(fdatasync(arg1));
3910 break;
7a3148a9 3911#endif
31e31b8a 3912 case TARGET_NR__sysctl:
29e619b1
FB		 3913 /* We don't implement this, but ENODIR is always a safe
3914 return value. */
3915 return -ENOTDIR;
31e31b8a 3916 case TARGET_NR_sched_setparam:
5cd4393b 3917 {
53a5960a 3918 struct sched_param *target_schp;
5cd4393b 3919 struct sched_param schp;
53a5960a
PB		 3920
3921 lock_user_struct(target_schp, arg2, 1);
5cd4393b 3922 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3923 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 3924 ret = get_errno(sched_setparam(arg1, &schp));
3925 }
3926 break;
31e31b8a 3927 case TARGET_NR_sched_getparam:
5cd4393b 3928 {
53a5960a 3929 struct sched_param *target_schp;
5cd4393b
FB		 3930 struct sched_param schp;
3931 ret = get_errno(sched_getparam(arg1, &schp));
3932 if (!is_error(ret)) {
53a5960a 3933 lock_user_struct(target_schp, arg2, 0);
5cd4393b 3934 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 3935 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 3936 }
3937 }
3938 break;
31e31b8a 3939 case TARGET_NR_sched_setscheduler:
5cd4393b 3940 {
53a5960a 3941 struct sched_param *target_schp;
5cd4393b 3942 struct sched_param schp;
53a5960a 3943 lock_user_struct(target_schp, arg3, 1);
5cd4393b 3944 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3945 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 3946 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3947 }
3948 break;
31e31b8a 3949 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 3950 ret = get_errno(sched_getscheduler(arg1));
3951 break;
31e31b8a
FB		 3952 case TARGET_NR_sched_yield:
3953 ret = get_errno(sched_yield());
3954 break;
3955 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 3956 ret = get_errno(sched_get_priority_max(arg1));
3957 break;
31e31b8a 3958 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 3959 ret = get_errno(sched_get_priority_min(arg1));
3960 break;
31e31b8a 3961 case TARGET_NR_sched_rr_get_interval:
5cd4393b 3962 {
5cd4393b
FB		 3963 struct timespec ts;
3964 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3965 if (!is_error(ret)) {
53a5960a 3966 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 3967 }
3968 }
3969 break;
31e31b8a 3970 case TARGET_NR_nanosleep:
1b6b029e 3971 {
1b6b029e 3972 struct timespec req, rem;
53a5960a 3973 target_to_host_timespec(&req, arg1);
1b6b029e 3974 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 3975 if (is_error(ret) && arg2) {
3976 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 3977 }
3978 }
3979 break;
e5febef5 3980#ifdef TARGET_NR_query_module
31e31b8a 3981 case TARGET_NR_query_module:
5cd4393b 3982 goto unimplemented;
e5febef5
TS		 3983#endif
3984#ifdef TARGET_NR_nfsservctl
31e31b8a 3985 case TARGET_NR_nfsservctl:
5cd4393b 3986 goto unimplemented;
e5febef5 3987#endif
31e31b8a 3988 case TARGET_NR_prctl:
e5574487
TS		 3989 switch (arg1)
3990 {
3991 case PR_GET_PDEATHSIG:
3992 {
3993 int deathsig;
3994 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3995 if (!is_error(ret) && arg2)
3996 tput32(arg2, deathsig);
3997 }
3998 break;
3999 default:
4000 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
4001 break;
4002 }
39b9aae1 4003 break;
67867308 4004#ifdef TARGET_NR_pread
31e31b8a 4005 case TARGET_NR_pread:
53a5960a
PB		 4006 page_unprotect_range(arg2, arg3);
4007 p = lock_user(arg2, arg3, 0);
4008 ret = get_errno(pread(arg1, p, arg3, arg4));
4009 unlock_user(p, arg2, ret);
206f0fa7 4010 break;
31e31b8a 4011 case TARGET_NR_pwrite:
53a5960a
PB		 4012 p = lock_user(arg2, arg3, 1);
4013 ret = get_errno(pwrite(arg1, p, arg3, arg4));
4014 unlock_user(p, arg2, 0);
206f0fa7 4015 break;
67867308 4016#endif
31e31b8a 4017 case TARGET_NR_getcwd:
53a5960a
PB		 4018 p = lock_user(arg1, arg2, 0);
4019 ret = get_errno(sys_getcwd1(p, arg2));
4020 unlock_user(p, arg1, ret);
31e31b8a
FB		 4021 break;
4022 case TARGET_NR_capget:
5cd4393b 4023 goto unimplemented;
31e31b8a 4024 case TARGET_NR_capset:
5cd4393b 4025 goto unimplemented;
31e31b8a 4026 case TARGET_NR_sigaltstack:
5cd4393b 4027 goto unimplemented;
31e31b8a 4028 case TARGET_NR_sendfile:
5cd4393b 4029 goto unimplemented;
ebc05488 4030#ifdef TARGET_NR_getpmsg
31e31b8a 4031 case TARGET_NR_getpmsg:
5cd4393b 4032 goto unimplemented;
ebc05488
FB		 4033#endif
4034#ifdef TARGET_NR_putpmsg
31e31b8a 4035 case TARGET_NR_putpmsg:
5cd4393b 4036 goto unimplemented;
ebc05488 4037#endif
048f6b4d 4038#ifdef TARGET_NR_vfork
31e31b8a 4039 case TARGET_NR_vfork:
1b6b029e 4040 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 4041 break;
048f6b4d 4042#endif
ebc05488 4043#ifdef TARGET_NR_ugetrlimit
31e31b8a 4044 case TARGET_NR_ugetrlimit:
728584be
FB		 4045 {
4046 struct rlimit rlim;
4047 ret = get_errno(getrlimit(arg1, &rlim));
4048 if (!is_error(ret)) {
53a5960a
PB		 4049 struct target_rlimit *target_rlim;
4050 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 4051 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
4052 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 4053 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 4054 }
4055 break;
4056 }
ebc05488 4057#endif
a315a145 4058#ifdef TARGET_NR_truncate64
31e31b8a 4059 case TARGET_NR_truncate64:
53a5960a
PB		 4060 p = lock_user_string(arg1);
4061 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
4062 unlock_user(p, arg1, 0);
667f38b1 4063 break;
a315a145
FB		 4064#endif
4065#ifdef TARGET_NR_ftruncate64
31e31b8a 4066 case TARGET_NR_ftruncate64:
ce4defa0 4067 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 4068 break;
a315a145
FB		 4069#endif
4070#ifdef TARGET_NR_stat64
31e31b8a 4071 case TARGET_NR_stat64:
53a5960a
PB		 4072 p = lock_user_string(arg1);
4073 ret = get_errno(stat(path(p), &st));
4074 unlock_user(p, arg1, 0);
60cd49d5 4075 goto do_stat64;
a315a145
FB		 4076#endif
4077#ifdef TARGET_NR_lstat64
31e31b8a 4078 case TARGET_NR_lstat64:
53a5960a
PB		 4079 p = lock_user_string(arg1);
4080 ret = get_errno(lstat(path(p), &st));
4081 unlock_user(p, arg1, 0);
60cd49d5 4082 goto do_stat64;
a315a145
FB		 4083#endif
4084#ifdef TARGET_NR_fstat64
31e31b8a 4085 case TARGET_NR_fstat64:
60cd49d5
FB		 4086 {
4087 ret = get_errno(fstat(arg1, &st));
4088 do_stat64:
4089 if (!is_error(ret)) {
ce4defa0
PB		 4090#ifdef TARGET_ARM
4091 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 4092 struct target_eabi_stat64 *target_st;
4093 lock_user_struct(target_st, arg2, 1);
ce4defa0 4094 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 4095 /* put_user is probably wrong. */
ce4defa0
PB		 4096 put_user(st.st_dev, &target_st->st_dev);
4097 put_user(st.st_ino, &target_st->st_ino);
4098#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4099 put_user(st.st_ino, &target_st->__st_ino);
4100#endif
4101 put_user(st.st_mode, &target_st->st_mode);
4102 put_user(st.st_nlink, &target_st->st_nlink);
4103 put_user(st.st_uid, &target_st->st_uid);
4104 put_user(st.st_gid, &target_st->st_gid);
4105 put_user(st.st_rdev, &target_st->st_rdev);
4106 /* XXX: better use of kernel struct */
4107 put_user(st.st_size, &target_st->st_size);
4108 put_user(st.st_blksize, &target_st->st_blksize);
4109 put_user(st.st_blocks, &target_st->st_blocks);
4110 put_user(st.st_atime, &target_st->target_st_atime);
4111 put_user(st.st_mtime, &target_st->target_st_mtime);
4112 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4113 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 4114 } else
4115#endif
4116 {
53a5960a
PB		 4117 struct target_stat64 *target_st;
4118 lock_user_struct(target_st, arg2, 1);
ce4defa0 4119 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 4120 /* ??? put_user is probably wrong. */
ce4defa0
PB		 4121 put_user(st.st_dev, &target_st->st_dev);
4122 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 4123#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 4124 put_user(st.st_ino, &target_st->__st_ino);
4125#endif
4126 put_user(st.st_mode, &target_st->st_mode);
4127 put_user(st.st_nlink, &target_st->st_nlink);
4128 put_user(st.st_uid, &target_st->st_uid);
4129 put_user(st.st_gid, &target_st->st_gid);
4130 put_user(st.st_rdev, &target_st->st_rdev);
4131 /* XXX: better use of kernel struct */
4132 put_user(st.st_size, &target_st->st_size);
4133 put_user(st.st_blksize, &target_st->st_blksize);
4134 put_user(st.st_blocks, &target_st->st_blocks);
4135 put_user(st.st_atime, &target_st->target_st_atime);
4136 put_user(st.st_mtime, &target_st->target_st_mtime);
4137 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4138 unlock_user_struct(target_st, arg2, 0);
ce4defa0 4139 }
60cd49d5
FB		 4140 }
4141 }
4142 break;
a315a145 4143#endif
67867308
FB		 4144#ifdef USE_UID16
4145 case TARGET_NR_lchown:
53a5960a
PB		 4146 p = lock_user_string(arg1);
4147 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
4148 unlock_user(p, arg1, 0);
67867308
FB		 4149 break;
4150 case TARGET_NR_getuid:
4151 ret = get_errno(high2lowuid(getuid()));
4152 break;
4153 case TARGET_NR_getgid:
4154 ret = get_errno(high2lowgid(getgid()));
4155 break;
4156 case TARGET_NR_geteuid:
4157 ret = get_errno(high2lowuid(geteuid()));
4158 break;
4159 case TARGET_NR_getegid:
4160 ret = get_errno(high2lowgid(getegid()));
4161 break;
4162 case TARGET_NR_setreuid:
4163 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
4164 break;
4165 case TARGET_NR_setregid:
4166 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
4167 break;
4168 case TARGET_NR_getgroups:
4169 {
4170 int gidsetsize = arg1;
53a5960a 4171 uint16_t *target_grouplist;
67867308
FB		 4172 gid_t *grouplist;
4173 int i;
4174
4175 grouplist = alloca(gidsetsize * sizeof(gid_t));
4176 ret = get_errno(getgroups(gidsetsize, grouplist));
4177 if (!is_error(ret)) {
53a5960a 4178 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 4179 for(i = 0;i < gidsetsize; i++)
4180 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 4181 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 4182 }
4183 }
4184 break;
4185 case TARGET_NR_setgroups:
4186 {
4187 int gidsetsize = arg1;
53a5960a 4188 uint16_t *target_grouplist;
67867308
FB		 4189 gid_t *grouplist;
4190 int i;
4191
4192 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 4193 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 4194 for(i = 0;i < gidsetsize; i++)
4195 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 4196 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 4197 ret = get_errno(setgroups(gidsetsize, grouplist));
4198 }
4199 break;
4200 case TARGET_NR_fchown:
4201 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
4202 break;
4203#ifdef TARGET_NR_setresuid
4204 case TARGET_NR_setresuid:
4205 ret = get_errno(setresuid(low2highuid(arg1),
4206 low2highuid(arg2),
4207 low2highuid(arg3)));
4208 break;
4209#endif
4210#ifdef TARGET_NR_getresuid
4211 case TARGET_NR_getresuid:
4212 {
53a5960a 4213 uid_t ruid, euid, suid;
67867308
FB		 4214 ret = get_errno(getresuid(&ruid, &euid, &suid));
4215 if (!is_error(ret)) {
53a5960a
PB		 4216 tput16(arg1, tswap16(high2lowuid(ruid)));
4217 tput16(arg2, tswap16(high2lowuid(euid)));
4218 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 4219 }
4220 }
4221 break;
4222#endif
4223#ifdef TARGET_NR_getresgid
4224 case TARGET_NR_setresgid:
4225 ret = get_errno(setresgid(low2highgid(arg1),
4226 low2highgid(arg2),
4227 low2highgid(arg3)));
4228 break;
4229#endif
4230#ifdef TARGET_NR_getresgid
4231 case TARGET_NR_getresgid:
4232 {
53a5960a 4233 gid_t rgid, egid, sgid;
67867308
FB		 4234 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4235 if (!is_error(ret)) {
53a5960a
PB		 4236 tput16(arg1, tswap16(high2lowgid(rgid)));
4237 tput16(arg2, tswap16(high2lowgid(egid)));
4238 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 4239 }
4240 }
4241 break;
4242#endif
4243 case TARGET_NR_chown:
53a5960a
PB		 4244 p = lock_user_string(arg1);
4245 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
4246 unlock_user(p, arg1, 0);
67867308
FB		 4247 break;
4248 case TARGET_NR_setuid:
4249 ret = get_errno(setuid(low2highuid(arg1)));
4250 break;
4251 case TARGET_NR_setgid:
4252 ret = get_errno(setgid(low2highgid(arg1)));
4253 break;
4254 case TARGET_NR_setfsuid:
4255 ret = get_errno(setfsuid(arg1));
4256 break;
4257 case TARGET_NR_setfsgid:
4258 ret = get_errno(setfsgid(arg1));
4259 break;
4260#endif /* USE_UID16 */
4261
a315a145 4262#ifdef TARGET_NR_lchown32
31e31b8a 4263 case TARGET_NR_lchown32:
53a5960a
PB		 4264 p = lock_user_string(arg1);
4265 ret = get_errno(lchown(p, arg2, arg3));
4266 unlock_user(p, arg1, 0);
b03c60f3 4267 break;
a315a145
FB		 4268#endif
4269#ifdef TARGET_NR_getuid32
31e31b8a 4270 case TARGET_NR_getuid32:
b03c60f3
FB		 4271 ret = get_errno(getuid());
4272 break;
a315a145
FB		 4273#endif
4274#ifdef TARGET_NR_getgid32
31e31b8a 4275 case TARGET_NR_getgid32:
b03c60f3
FB		 4276 ret = get_errno(getgid());
4277 break;
a315a145
FB		 4278#endif
4279#ifdef TARGET_NR_geteuid32
31e31b8a 4280 case TARGET_NR_geteuid32:
b03c60f3
FB		 4281 ret = get_errno(geteuid());
4282 break;
a315a145
FB		 4283#endif
4284#ifdef TARGET_NR_getegid32
31e31b8a 4285 case TARGET_NR_getegid32:
b03c60f3
FB		 4286 ret = get_errno(getegid());
4287 break;
a315a145
FB		 4288#endif
4289#ifdef TARGET_NR_setreuid32
31e31b8a 4290 case TARGET_NR_setreuid32:
b03c60f3
FB		 4291 ret = get_errno(setreuid(arg1, arg2));
4292 break;
a315a145
FB		 4293#endif
4294#ifdef TARGET_NR_setregid32
31e31b8a 4295 case TARGET_NR_setregid32:
b03c60f3
FB		 4296 ret = get_errno(setregid(arg1, arg2));
4297 break;
a315a145
FB		 4298#endif
4299#ifdef TARGET_NR_getgroups32
31e31b8a 4300 case TARGET_NR_getgroups32:
99c475ab
FB		 4301 {
4302 int gidsetsize = arg1;
53a5960a 4303 uint32_t *target_grouplist;
99c475ab
FB		 4304 gid_t *grouplist;
4305 int i;
4306
4307 grouplist = alloca(gidsetsize * sizeof(gid_t));
4308 ret = get_errno(getgroups(gidsetsize, grouplist));
4309 if (!is_error(ret)) {
53a5960a 4310 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 4311 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 4312 target_grouplist[i] = tswap32(grouplist[i]);
4313 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 4314 }
4315 }
4316 break;
a315a145
FB		 4317#endif
4318#ifdef TARGET_NR_setgroups32
31e31b8a 4319 case TARGET_NR_setgroups32:
99c475ab
FB		 4320 {
4321 int gidsetsize = arg1;
53a5960a 4322 uint32_t *target_grouplist;
99c475ab
FB		 4323 gid_t *grouplist;
4324 int i;
4325
4326 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 4327 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 4328 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 4329 grouplist[i] = tswap32(target_grouplist[i]);
4330 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 4331 ret = get_errno(setgroups(gidsetsize, grouplist));
4332 }
4333 break;
a315a145
FB		 4334#endif
4335#ifdef TARGET_NR_fchown32
31e31b8a 4336 case TARGET_NR_fchown32:
b03c60f3
FB		 4337 ret = get_errno(fchown(arg1, arg2, arg3));
4338 break;
a315a145
FB		 4339#endif
4340#ifdef TARGET_NR_setresuid32
31e31b8a 4341 case TARGET_NR_setresuid32:
b03c60f3
FB		 4342 ret = get_errno(setresuid(arg1, arg2, arg3));
4343 break;
a315a145
FB		 4344#endif
4345#ifdef TARGET_NR_getresuid32
31e31b8a 4346 case TARGET_NR_getresuid32:
b03c60f3 4347 {
53a5960a 4348 uid_t ruid, euid, suid;
b03c60f3
FB		 4349 ret = get_errno(getresuid(&ruid, &euid, &suid));
4350 if (!is_error(ret)) {
53a5960a
PB		 4351 tput32(arg1, tswap32(ruid));
4352 tput32(arg2, tswap32(euid));
4353 tput32(arg3, tswap32(suid));
b03c60f3
FB		 4354 }
4355 }
4356 break;
a315a145
FB		 4357#endif
4358#ifdef TARGET_NR_setresgid32
31e31b8a 4359 case TARGET_NR_setresgid32:
b03c60f3
FB		 4360 ret = get_errno(setresgid(arg1, arg2, arg3));
4361 break;
a315a145
FB		 4362#endif
4363#ifdef TARGET_NR_getresgid32
31e31b8a 4364 case TARGET_NR_getresgid32:
b03c60f3 4365 {
53a5960a 4366 gid_t rgid, egid, sgid;
b03c60f3
FB		 4367 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4368 if (!is_error(ret)) {
53a5960a
PB		 4369 tput32(arg1, tswap32(rgid));
4370 tput32(arg2, tswap32(egid));
4371 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 4372 }
4373 }
4374 break;
a315a145
FB		 4375#endif
4376#ifdef TARGET_NR_chown32
31e31b8a 4377 case TARGET_NR_chown32:
53a5960a
PB		 4378 p = lock_user_string(arg1);
4379 ret = get_errno(chown(p, arg2, arg3));
4380 unlock_user(p, arg1, 0);
b03c60f3 4381 break;
a315a145
FB		 4382#endif
4383#ifdef TARGET_NR_setuid32
31e31b8a 4384 case TARGET_NR_setuid32:
b03c60f3
FB		 4385 ret = get_errno(setuid(arg1));
4386 break;
a315a145
FB		 4387#endif
4388#ifdef TARGET_NR_setgid32
31e31b8a 4389 case TARGET_NR_setgid32:
b03c60f3
FB		 4390 ret = get_errno(setgid(arg1));
4391 break;
a315a145
FB		 4392#endif
4393#ifdef TARGET_NR_setfsuid32
31e31b8a 4394 case TARGET_NR_setfsuid32:
b03c60f3
FB		 4395 ret = get_errno(setfsuid(arg1));
4396 break;
a315a145
FB		 4397#endif
4398#ifdef TARGET_NR_setfsgid32
31e31b8a 4399 case TARGET_NR_setfsgid32:
b03c60f3
FB		 4400 ret = get_errno(setfsgid(arg1));
4401 break;
a315a145 4402#endif
67867308 4403
31e31b8a 4404 case TARGET_NR_pivot_root:
b03c60f3 4405 goto unimplemented;
ffa65c3b 4406#ifdef TARGET_NR_mincore
31e31b8a 4407 case TARGET_NR_mincore:
b03c60f3 4408 goto unimplemented;
ffa65c3b
FB		 4409#endif
4410#ifdef TARGET_NR_madvise
31e31b8a 4411 case TARGET_NR_madvise:
24836689
PB		 4412 /* A straight passthrough may not be safe because qemu sometimes
4413 turns private flie-backed mappings into anonymous mappings.
4414 This will break MADV_DONTNEED.
4415 This is a hint, so ignoring and returning success is ok. */
4416 ret = get_errno(0);
4417 break;
ffa65c3b 4418#endif
60cd49d5 4419#if TARGET_LONG_BITS == 32
31e31b8a 4420 case TARGET_NR_fcntl64:
77e4672d 4421 {
b1e341eb 4422 int cmd;
77e4672d 4423 struct flock64 fl;
53a5960a 4424 struct target_flock64 *target_fl;
ce4defa0 4425#ifdef TARGET_ARM
53a5960a 4426 struct target_eabi_flock64 *target_efl;
ce4defa0 4427#endif
77e4672d 4428
b1e341eb
TS		 4429 switch(arg2){
4430 case TARGET_F_GETLK64:
4431 cmd = F_GETLK64;
a7222580 4432 break;
b1e341eb
TS		 4433 case TARGET_F_SETLK64:
4434 cmd = F_SETLK64;
a7222580 4435 break;
b1e341eb
TS		 4436 case TARGET_F_SETLKW64:
4437 cmd = F_SETLK64;
a7222580 4438 break;
b1e341eb
TS		 4439 default:
4440 cmd = arg2;
a7222580 4441 break;
b1e341eb
TS		 4442 }
4443
60cd49d5 4444 switch(arg2) {
b1e341eb 4445 case TARGET_F_GETLK64:
5813427b
TS		 4446#ifdef TARGET_ARM
4447 if (((CPUARMState *)cpu_env)->eabi) {
4448 lock_user_struct(target_efl, arg3, 1);
4449 fl.l_type = tswap16(target_efl->l_type);
4450 fl.l_whence = tswap16(target_efl->l_whence);
4451 fl.l_start = tswap64(target_efl->l_start);
4452 fl.l_len = tswap64(target_efl->l_len);
4453 fl.l_pid = tswapl(target_efl->l_pid);
4454 unlock_user_struct(target_efl, arg3, 0);
4455 } else
4456#endif
4457 {
4458 lock_user_struct(target_fl, arg3, 1);
4459 fl.l_type = tswap16(target_fl->l_type);
4460 fl.l_whence = tswap16(target_fl->l_whence);
4461 fl.l_start = tswap64(target_fl->l_start);
4462 fl.l_len = tswap64(target_fl->l_len);
4463 fl.l_pid = tswapl(target_fl->l_pid);
4464 unlock_user_struct(target_fl, arg3, 0);
4465 }
b1e341eb 4466 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4467 if (ret == 0) {
ce4defa0
PB		 4468#ifdef TARGET_ARM
4469 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4470 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4471 target_efl->l_type = tswap16(fl.l_type);
4472 target_efl->l_whence = tswap16(fl.l_whence);
4473 target_efl->l_start = tswap64(fl.l_start);
4474 target_efl->l_len = tswap64(fl.l_len);
4475 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 4476 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4477 } else
4478#endif
4479 {
53a5960a 4480 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 4481 target_fl->l_type = tswap16(fl.l_type);
4482 target_fl->l_whence = tswap16(fl.l_whence);
4483 target_fl->l_start = tswap64(fl.l_start);
4484 target_fl->l_len = tswap64(fl.l_len);
4485 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 4486 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 4487 }
77e4672d
FB		 4488 }
4489 break;
4490
b1e341eb
TS		 4491 case TARGET_F_SETLK64:
4492 case TARGET_F_SETLKW64:
ce4defa0
PB		 4493#ifdef TARGET_ARM
4494 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4495 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4496 fl.l_type = tswap16(target_efl->l_type);
4497 fl.l_whence = tswap16(target_efl->l_whence);
4498 fl.l_start = tswap64(target_efl->l_start);
4499 fl.l_len = tswap64(target_efl->l_len);
4500 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 4501 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4502 } else
4503#endif
4504 {
53a5960a 4505 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 4506 fl.l_type = tswap16(target_fl->l_type);
4507 fl.l_whence = tswap16(target_fl->l_whence);
4508 fl.l_start = tswap64(target_fl->l_start);
4509 fl.l_len = tswap64(target_fl->l_len);
4510 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 4511 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 4512 }
b1e341eb 4513 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4514 break;
60cd49d5 4515 default:
b1e341eb 4516 ret = get_errno(do_fcntl(arg1, cmd, arg3));
60cd49d5
FB		 4517 break;
4518 }
77e4672d
FB		 4519 break;
4520 }
60cd49d5 4521#endif
7d600c80
TS		 4522#ifdef TARGET_NR_cacheflush
4523 case TARGET_NR_cacheflush:
4524 /* self-modifying code is handled automatically, so nothing needed */
4525 ret = 0;
4526 break;
4527#endif
ebc05488 4528#ifdef TARGET_NR_security
31e31b8a
FB		 4529 case TARGET_NR_security:
4530 goto unimplemented;
c573ff67
FB		 4531#endif
4532#ifdef TARGET_NR_getpagesize
4533 case TARGET_NR_getpagesize:
4534 ret = TARGET_PAGE_SIZE;
4535 break;
ebc05488 4536#endif
31e31b8a
FB		 4537 case TARGET_NR_gettid:
4538 ret = get_errno(gettid());
4539 break;
e5febef5 4540#ifdef TARGET_NR_readahead
31e31b8a 4541 case TARGET_NR_readahead:
5cd4393b 4542 goto unimplemented;
e5febef5 4543#endif
ebc05488 4544#ifdef TARGET_NR_setxattr
31e31b8a
FB		 4545 case TARGET_NR_setxattr:
4546 case TARGET_NR_lsetxattr:
4547 case TARGET_NR_fsetxattr:
4548 case TARGET_NR_getxattr:
4549 case TARGET_NR_lgetxattr:
4550 case TARGET_NR_fgetxattr:
4551 case TARGET_NR_listxattr:
4552 case TARGET_NR_llistxattr:
4553 case TARGET_NR_flistxattr:
4554 case TARGET_NR_removexattr:
4555 case TARGET_NR_lremovexattr:
4556 case TARGET_NR_fremovexattr:
5cd4393b 4557 goto unimplemented_nowarn;
ebc05488
FB		 4558#endif
4559#ifdef TARGET_NR_set_thread_area
5cd4393b 4560 case TARGET_NR_set_thread_area:
6f5b89a0
TS		 4561#ifdef TARGET_MIPS
4562 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4563 ret = 0;
4564 break;
4565#else
4566 goto unimplemented_nowarn;
4567#endif
4568#endif
4569#ifdef TARGET_NR_get_thread_area
5cd4393b
FB		 4570 case TARGET_NR_get_thread_area:
4571 goto unimplemented_nowarn;
48dc41eb
FB		 4572#endif
4573#ifdef TARGET_NR_getdomainname
4574 case TARGET_NR_getdomainname:
4575 goto unimplemented_nowarn;
ebc05488 4576#endif
6f5b89a0 4577
b5906f95
TS		 4578#ifdef TARGET_NR_clock_gettime
4579 case TARGET_NR_clock_gettime:
4580 {
4581 struct timespec ts;
4582 ret = get_errno(clock_gettime(arg1, &ts));
4583 if (!is_error(ret)) {
4584 host_to_target_timespec(arg2, &ts);
4585 }
4586 break;
4587 }
4588#endif
4589#ifdef TARGET_NR_clock_getres
4590 case TARGET_NR_clock_getres:
4591 {
4592 struct timespec ts;
4593 ret = get_errno(clock_getres(arg1, &ts));
4594 if (!is_error(ret)) {
4595 host_to_target_timespec(arg2, &ts);
4596 }
4597 break;
4598 }
4599#endif
4600
6f5b89a0
TS		 4601#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4602 case TARGET_NR_set_tid_address:
4603 ret = get_errno(set_tid_address((int *) arg1));
4604 break;
4605#endif
4606
31e31b8a
FB		 4607 default:
4608 unimplemented:
5cd4393b 4609 gemu_log("qemu: Unsupported syscall: %d\n", num);
6f5b89a0 4610#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname)
5cd4393b 4611 unimplemented_nowarn:
80a9d035 4612#endif
31e31b8a
FB		 4613 ret = -ENOSYS;
4614 break;
4615 }
4616 fail:
c573ff67
FB		 4617#ifdef DEBUG
4618 gemu_log(" = %ld\n", ret);
4619#endif
31e31b8a
FB		 4620 return ret;
4621}
4622
Empty description
This page took 0.775914 seconds and 4 git commands to generate.