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Fix Sparc64 page size
[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
71455574 147#define __NR_sys_tgkill __NR_tgkill
31e31b8a 148
bc51c5c9 149#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 150#define __NR__llseek __NR_lseek
151#endif
152
72f03900 153#ifdef __NR_gettid
31e31b8a 154_syscall0(int, gettid)
72f03900
FB		 155#else
156static int gettid(void) {
157 return -ENOSYS;
158}
159#endif
31e31b8a 160_syscall1(int,sys_uname,struct new_utsname *,buf)
72f03900
FB		 161_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
162_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
dab2ed99 163_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
31e31b8a
FB		 164_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
165 loff_t *, res, uint, wh);
66fb9763 166_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
7494b0f9 167_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
71455574 168_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
ec86b0fb
FB		 169#ifdef __NR_exit_group
170_syscall1(int,exit_group,int,error_code)
171#endif
6f5b89a0
TS		 172#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
173_syscall1(int,set_tid_address,int *,tidptr)
174#endif
66fb9763
FB		 175
176extern int personality(int);
9de5e440
FB		 177extern int flock(int, int);
178extern int setfsuid(int);
179extern int setfsgid(int);
5cd4393b
FB		 180extern int setresuid(uid_t, uid_t, uid_t);
181extern int getresuid(uid_t *, uid_t *, uid_t *);
182extern int setresgid(gid_t, gid_t, gid_t);
183extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 184extern int setgroups(int, gid_t *);
31e31b8a 185
637947f1
TS		 186/*
187 * This list is the union of errno values overidden in asm-<arch>/errno.h
188 * minus the errnos that are not actually generic to all archs.
189 */
190static uint16_t host_to_target_errno_table[1200] = {
191 [EIDRM] = TARGET_EIDRM,
192 [ECHRNG] = TARGET_ECHRNG,
193 [EL2NSYNC] = TARGET_EL2NSYNC,
194 [EL3HLT] = TARGET_EL3HLT,
195 [EL3RST] = TARGET_EL3RST,
196 [ELNRNG] = TARGET_ELNRNG,
197 [EUNATCH] = TARGET_EUNATCH,
198 [ENOCSI] = TARGET_ENOCSI,
199 [EL2HLT] = TARGET_EL2HLT,
200 [EDEADLK] = TARGET_EDEADLK,
201 [ENOLCK] = TARGET_ENOLCK,
202 [EBADE] = TARGET_EBADE,
203 [EBADR] = TARGET_EBADR,
204 [EXFULL] = TARGET_EXFULL,
205 [ENOANO] = TARGET_ENOANO,
206 [EBADRQC] = TARGET_EBADRQC,
207 [EBADSLT] = TARGET_EBADSLT,
208 [EBFONT] = TARGET_EBFONT,
209 [ENOSTR] = TARGET_ENOSTR,
210 [ENODATA] = TARGET_ENODATA,
211 [ETIME] = TARGET_ETIME,
212 [ENOSR] = TARGET_ENOSR,
213 [ENONET] = TARGET_ENONET,
214 [ENOPKG] = TARGET_ENOPKG,
215 [EREMOTE] = TARGET_EREMOTE,
216 [ENOLINK] = TARGET_ENOLINK,
217 [EADV] = TARGET_EADV,
218 [ESRMNT] = TARGET_ESRMNT,
219 [ECOMM] = TARGET_ECOMM,
220 [EPROTO] = TARGET_EPROTO,
221 [EDOTDOT] = TARGET_EDOTDOT,
222 [EMULTIHOP] = TARGET_EMULTIHOP,
223 [EBADMSG] = TARGET_EBADMSG,
224 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
225 [EOVERFLOW] = TARGET_EOVERFLOW,
226 [ENOTUNIQ] = TARGET_ENOTUNIQ,
227 [EBADFD] = TARGET_EBADFD,
228 [EREMCHG] = TARGET_EREMCHG,
229 [ELIBACC] = TARGET_ELIBACC,
230 [ELIBBAD] = TARGET_ELIBBAD,
231 [ELIBSCN] = TARGET_ELIBSCN,
232 [ELIBMAX] = TARGET_ELIBMAX,
233 [ELIBEXEC] = TARGET_ELIBEXEC,
234 [EILSEQ] = TARGET_EILSEQ,
235 [ENOSYS] = TARGET_ENOSYS,
236 [ELOOP] = TARGET_ELOOP,
237 [ERESTART] = TARGET_ERESTART,
238 [ESTRPIPE] = TARGET_ESTRPIPE,
239 [ENOTEMPTY] = TARGET_ENOTEMPTY,
240 [EUSERS] = TARGET_EUSERS,
241 [ENOTSOCK] = TARGET_ENOTSOCK,
242 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
243 [EMSGSIZE] = TARGET_EMSGSIZE,
244 [EPROTOTYPE] = TARGET_EPROTOTYPE,
245 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
246 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
247 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
248 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
249 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
250 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
251 [EADDRINUSE] = TARGET_EADDRINUSE,
252 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
253 [ENETDOWN] = TARGET_ENETDOWN,
254 [ENETUNREACH] = TARGET_ENETUNREACH,
255 [ENETRESET] = TARGET_ENETRESET,
256 [ECONNABORTED] = TARGET_ECONNABORTED,
257 [ECONNRESET] = TARGET_ECONNRESET,
258 [ENOBUFS] = TARGET_ENOBUFS,
259 [EISCONN] = TARGET_EISCONN,
260 [ENOTCONN] = TARGET_ENOTCONN,
261 [EUCLEAN] = TARGET_EUCLEAN,
262 [ENOTNAM] = TARGET_ENOTNAM,
263 [ENAVAIL] = TARGET_ENAVAIL,
264 [EISNAM] = TARGET_EISNAM,
265 [EREMOTEIO] = TARGET_EREMOTEIO,
266 [ESHUTDOWN] = TARGET_ESHUTDOWN,
267 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
268 [ETIMEDOUT] = TARGET_ETIMEDOUT,
269 [ECONNREFUSED] = TARGET_ECONNREFUSED,
270 [EHOSTDOWN] = TARGET_EHOSTDOWN,
271 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
272 [EALREADY] = TARGET_EALREADY,
273 [EINPROGRESS] = TARGET_EINPROGRESS,
274 [ESTALE] = TARGET_ESTALE,
275 [ECANCELED] = TARGET_ECANCELED,
276 [ENOMEDIUM] = TARGET_ENOMEDIUM,
277 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
278 [ENOKEY] = TARGET_ENOKEY,
279 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
280 [EKEYREVOKED] = TARGET_EKEYREVOKED,
281 [EKEYREJECTED] = TARGET_EKEYREJECTED,
282 [EOWNERDEAD] = TARGET_EOWNERDEAD,
283 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
284 };
285
286static inline int host_to_target_errno(int err)
287{
288 if(host_to_target_errno_table[err])
289 return host_to_target_errno_table[err];
290 return err;
291}
292
31e31b8a
FB		 293static inline long get_errno(long ret)
294{
295 if (ret == -1)
637947f1 296 return -host_to_target_errno(errno);
31e31b8a
FB		 297 else
298 return ret;
299}
300
301static inline int is_error(long ret)
302{
303 return (unsigned long)ret >= (unsigned long)(-4096);
304}
305
53a5960a
PB		 306static target_ulong target_brk;
307static target_ulong target_original_brk;
31e31b8a 308
53a5960a 309void target_set_brk(target_ulong new_brk)
31e31b8a 310{
53a5960a 311 target_original_brk = target_brk = new_brk;
31e31b8a
FB		 312}
313
53a5960a 314long do_brk(target_ulong new_brk)
31e31b8a 315{
53a5960a 316 target_ulong brk_page;
31e31b8a
FB		 317 long mapped_addr;
318 int new_alloc_size;
319
320 if (!new_brk)
53a5960a 321 return target_brk;
31e31b8a
FB		 322 if (new_brk < target_original_brk)
323 return -ENOMEM;
324
53a5960a 325 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 326
327 /* If the new brk is less than this, set it and we're done... */
328 if (new_brk < brk_page) {
329 target_brk = new_brk;
53a5960a 330 return target_brk;
31e31b8a
FB		 331 }
332
333 /* We need to allocate more memory after the brk... */
54936004 334 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
53a5960a 335 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 336 PROT_READ|PROT_WRITE,
337 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
31e31b8a
FB		 338 if (is_error(mapped_addr)) {
339 return mapped_addr;
340 } else {
341 target_brk = new_brk;
53a5960a 342 return target_brk;
31e31b8a
FB		 343 }
344}
345
346static inline fd_set *target_to_host_fds(fd_set *fds,
347 target_long *target_fds, int n)
348{
7854b056 349#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 350 return (fd_set *)target_fds;
351#else
352 int i, b;
353 if (target_fds) {
354 FD_ZERO(fds);
355 for(i = 0;i < n; i++) {
356 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
357 (i & (TARGET_LONG_BITS - 1))) & 1;
358 if (b)
359 FD_SET(i, fds);
360 }
361 return fds;
362 } else {
363 return NULL;
364 }
365#endif
366}
367
368static inline void host_to_target_fds(target_long *target_fds,
369 fd_set *fds, int n)
370{
7854b056 371#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 372 /* nothing to do */
373#else
374 int i, nw, j, k;
375 target_long v;
376
377 if (target_fds) {
8853f86e 378 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
31e31b8a
FB		 379 k = 0;
380 for(i = 0;i < nw; i++) {
381 v = 0;
382 for(j = 0; j < TARGET_LONG_BITS; j++) {
383 v |= ((FD_ISSET(k, fds) != 0) << j);
384 k++;
385 }
386 target_fds[i] = tswapl(v);
387 }
388 }
389#endif
390}
391
c596ed17
FB		 392#if defined(__alpha__)
393#define HOST_HZ 1024
394#else
395#define HOST_HZ 100
396#endif
397
398static inline long host_to_target_clock_t(long ticks)
399{
400#if HOST_HZ == TARGET_HZ
401 return ticks;
402#else
403 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
404#endif
405}
406
53a5960a 407static inline void host_to_target_rusage(target_ulong target_addr,
b409186b
FB		 408 const struct rusage *rusage)
409{
53a5960a
PB		 410 struct target_rusage *target_rusage;
411
412 lock_user_struct(target_rusage, target_addr, 0);
b409186b
FB		 413 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
414 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
415 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
416 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
417 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
418 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
419 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
420 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
421 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
422 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
423 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
424 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
425 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
426 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
427 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
428 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
429 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
430 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 431 unlock_user_struct(target_rusage, target_addr, 1);
b409186b
FB		 432}
433
53a5960a
PB		 434static inline void target_to_host_timeval(struct timeval *tv,
435 target_ulong target_addr)
31e31b8a 436{
53a5960a
PB		 437 struct target_timeval *target_tv;
438
439 lock_user_struct(target_tv, target_addr, 1);
66fb9763
FB		 440 tv->tv_sec = tswapl(target_tv->tv_sec);
441 tv->tv_usec = tswapl(target_tv->tv_usec);
53a5960a 442 unlock_user_struct(target_tv, target_addr, 0);
31e31b8a
FB		 443}
444
53a5960a 445static inline void host_to_target_timeval(target_ulong target_addr,
5cd4393b 446 const struct timeval *tv)
31e31b8a 447{
53a5960a
PB		 448 struct target_timeval *target_tv;
449
450 lock_user_struct(target_tv, target_addr, 0);
66fb9763
FB		 451 target_tv->tv_sec = tswapl(tv->tv_sec);
452 target_tv->tv_usec = tswapl(tv->tv_usec);
53a5960a 453 unlock_user_struct(target_tv, target_addr, 1);
31e31b8a
FB		 454}
455
456
457static long do_select(long n,
53a5960a
PB		 458 target_ulong rfd_p, target_ulong wfd_p,
459 target_ulong efd_p, target_ulong target_tv)
31e31b8a
FB		 460{
461 fd_set rfds, wfds, efds;
462 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
53a5960a 463 target_long *target_rfds, *target_wfds, *target_efds;
31e31b8a
FB		 464 struct timeval tv, *tv_ptr;
465 long ret;
53a5960a 466 int ok;
31e31b8a 467
53a5960a
PB		 468 if (rfd_p) {
469 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
470 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
471 } else {
472 target_rfds = NULL;
473 rfds_ptr = NULL;
474 }
475 if (wfd_p) {
476 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
477 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
478 } else {
479 target_wfds = NULL;
480 wfds_ptr = NULL;
481 }
482 if (efd_p) {
483 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
484 efds_ptr = target_to_host_fds(&efds, target_efds, n);
485 } else {
486 target_efds = NULL;
487 efds_ptr = NULL;
488 }
31e31b8a
FB		 489
490 if (target_tv) {
5cd4393b 491 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 492 tv_ptr = &tv;
493 } else {
494 tv_ptr = NULL;
495 }
496 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a
PB		 497 ok = !is_error(ret);
498
499 if (ok) {
31e31b8a
FB		 500 host_to_target_fds(target_rfds, rfds_ptr, n);
501 host_to_target_fds(target_wfds, wfds_ptr, n);
502 host_to_target_fds(target_efds, efds_ptr, n);
503
504 if (target_tv) {
5cd4393b 505 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 506 }
507 }
53a5960a
PB		 508 if (target_rfds)
509 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
510 if (target_wfds)
511 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
512 if (target_efds)
513 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
514
31e31b8a
FB		 515 return ret;
516}
517
7854b056 518static inline void target_to_host_sockaddr(struct sockaddr *addr,
53a5960a 519 target_ulong target_addr,
7854b056
FB		 520 socklen_t len)
521{
53a5960a
PB		 522 struct target_sockaddr *target_saddr;
523
524 target_saddr = lock_user(target_addr, len, 1);
525 memcpy(addr, target_saddr, len);
526 addr->sa_family = tswap16(target_saddr->sa_family);
527 unlock_user(target_saddr, target_addr, 0);
7854b056
FB		 528}
529
53a5960a 530static inline void host_to_target_sockaddr(target_ulong target_addr,
7854b056
FB		 531 struct sockaddr *addr,
532 socklen_t len)
533{
53a5960a
PB		 534 struct target_sockaddr *target_saddr;
535
536 target_saddr = lock_user(target_addr, len, 0);
537 memcpy(target_saddr, addr, len);
538 target_saddr->sa_family = tswap16(addr->sa_family);
539 unlock_user(target_saddr, target_addr, len);
7854b056
FB		 540}
541
53a5960a 542/* ??? Should this also swap msgh->name? */
7854b056
FB		 543static inline void target_to_host_cmsg(struct msghdr *msgh,
544 struct target_msghdr *target_msgh)
545{
546 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
547 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
548 socklen_t space = 0;
549
550 while (cmsg && target_cmsg) {
551 void *data = CMSG_DATA(cmsg);
552 void *target_data = TARGET_CMSG_DATA(target_cmsg);
553
554 int len = tswapl(target_cmsg->cmsg_len)
555 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
556
557 space += CMSG_SPACE(len);
558 if (space > msgh->msg_controllen) {
559 space -= CMSG_SPACE(len);
31febb71 560 gemu_log("Host cmsg overflow\n");
7854b056
FB		 561 break;
562 }
563
564 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
565 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
566 cmsg->cmsg_len = CMSG_LEN(len);
567
3532fa74 568 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 569 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
570 memcpy(data, target_data, len);
571 } else {
572 int *fd = (int *)data;
573 int *target_fd = (int *)target_data;
574 int i, numfds = len / sizeof(int);
575
576 for (i = 0; i < numfds; i++)
577 fd[i] = tswap32(target_fd[i]);
578 }
579
580 cmsg = CMSG_NXTHDR(msgh, cmsg);
581 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
582 }
583
584 msgh->msg_controllen = space;
585}
586
53a5960a 587/* ??? Should this also swap msgh->name? */
7854b056
FB		 588static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
589 struct msghdr *msgh)
590{
591 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
592 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
593 socklen_t space = 0;
594
595 while (cmsg && target_cmsg) {
596 void *data = CMSG_DATA(cmsg);
597 void *target_data = TARGET_CMSG_DATA(target_cmsg);
598
599 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
600
601 space += TARGET_CMSG_SPACE(len);
602 if (space > tswapl(target_msgh->msg_controllen)) {
603 space -= TARGET_CMSG_SPACE(len);
31febb71 604 gemu_log("Target cmsg overflow\n");
7854b056
FB		 605 break;
606 }
607
608 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
609 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
610 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
611
3532fa74 612 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 613 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
614 memcpy(target_data, data, len);
615 } else {
616 int *fd = (int *)data;
617 int *target_fd = (int *)target_data;
618 int i, numfds = len / sizeof(int);
619
620 for (i = 0; i < numfds; i++)
621 target_fd[i] = tswap32(fd[i]);
622 }
623
624 cmsg = CMSG_NXTHDR(msgh, cmsg);
625 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
626 }
627
628 msgh->msg_controllen = tswapl(space);
629}
630
631static long do_setsockopt(int sockfd, int level, int optname,
53a5960a 632 target_ulong optval, socklen_t optlen)
7854b056 633{
8853f86e
FB		 634 int val, ret;
635
636 switch(level) {
637 case SOL_TCP:
7854b056 638 /* TCP options all take an 'int' value. */
7854b056
FB		 639 if (optlen < sizeof(uint32_t))
640 return -EINVAL;
8853f86e 641
53a5960a 642 val = tget32(optval);
8853f86e
FB		 643 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
644 break;
645 case SOL_IP:
646 switch(optname) {
2efbe911
FB		 647 case IP_TOS:
648 case IP_TTL:
8853f86e 649 case IP_HDRINCL:
2efbe911
FB		 650 case IP_ROUTER_ALERT:
651 case IP_RECVOPTS:
652 case IP_RETOPTS:
653 case IP_PKTINFO:
654 case IP_MTU_DISCOVER:
655 case IP_RECVERR:
656 case IP_RECVTOS:
657#ifdef IP_FREEBIND
658 case IP_FREEBIND:
659#endif
660 case IP_MULTICAST_TTL:
661 case IP_MULTICAST_LOOP:
8853f86e
FB		 662 val = 0;
663 if (optlen >= sizeof(uint32_t)) {
53a5960a 664 val = tget32(optval);
8853f86e 665 } else if (optlen >= 1) {
53a5960a 666 val = tget8(optval);
8853f86e
FB		 667 }
668 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
669 break;
670 default:
671 goto unimplemented;
672 }
673 break;
3532fa74 674 case TARGET_SOL_SOCKET:
8853f86e
FB		 675 switch (optname) {
676 /* Options with 'int' argument. */
3532fa74
FB		 677 case TARGET_SO_DEBUG:
678 optname = SO_DEBUG;
679 break;
680 case TARGET_SO_REUSEADDR:
681 optname = SO_REUSEADDR;
682 break;
683 case TARGET_SO_TYPE:
684 optname = SO_TYPE;
685 break;
686 case TARGET_SO_ERROR:
687 optname = SO_ERROR;
688 break;
689 case TARGET_SO_DONTROUTE:
690 optname = SO_DONTROUTE;
691 break;
692 case TARGET_SO_BROADCAST:
693 optname = SO_BROADCAST;
694 break;
695 case TARGET_SO_SNDBUF:
696 optname = SO_SNDBUF;
697 break;
698 case TARGET_SO_RCVBUF:
699 optname = SO_RCVBUF;
700 break;
701 case TARGET_SO_KEEPALIVE:
702 optname = SO_KEEPALIVE;
703 break;
704 case TARGET_SO_OOBINLINE:
705 optname = SO_OOBINLINE;
706 break;
707 case TARGET_SO_NO_CHECK:
708 optname = SO_NO_CHECK;
709 break;
710 case TARGET_SO_PRIORITY:
711 optname = SO_PRIORITY;
712 break;
5e83e8e3 713#ifdef SO_BSDCOMPAT
3532fa74
FB		 714 case TARGET_SO_BSDCOMPAT:
715 optname = SO_BSDCOMPAT;
716 break;
5e83e8e3 717#endif
3532fa74
FB		 718 case TARGET_SO_PASSCRED:
719 optname = SO_PASSCRED;
720 break;
721 case TARGET_SO_TIMESTAMP:
722 optname = SO_TIMESTAMP;
723 break;
724 case TARGET_SO_RCVLOWAT:
725 optname = SO_RCVLOWAT;
726 break;
727 case TARGET_SO_RCVTIMEO:
728 optname = SO_RCVTIMEO;
729 break;
730 case TARGET_SO_SNDTIMEO:
731 optname = SO_SNDTIMEO;
732 break;
8853f86e
FB		 733 break;
734 default:
735 goto unimplemented;
736 }
3532fa74
FB		 737 if (optlen < sizeof(uint32_t))
738 return -EINVAL;
739
740 val = tget32(optval);
741 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 742 break;
7854b056 743 default:
8853f86e
FB		 744 unimplemented:
745 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
746 ret = -ENOSYS;
7854b056 747 }
8853f86e 748 return ret;
7854b056
FB		 749}
750
751static long do_getsockopt(int sockfd, int level, int optname,
53a5960a 752 target_ulong optval, target_ulong optlen)
7854b056 753{
8853f86e
FB		 754 int len, lv, val, ret;
755
756 switch(level) {
3532fa74
FB		 757 case TARGET_SOL_SOCKET:
758 level = SOL_SOCKET;
8853f86e 759 switch (optname) {
3532fa74
FB		 760 case TARGET_SO_LINGER:
761 case TARGET_SO_RCVTIMEO:
762 case TARGET_SO_SNDTIMEO:
763 case TARGET_SO_PEERCRED:
764 case TARGET_SO_PEERNAME:
8853f86e
FB		 765 /* These don't just return a single integer */
766 goto unimplemented;
767 default:
2efbe911
FB		 768 goto int_case;
769 }
770 break;
771 case SOL_TCP:
772 /* TCP options all take an 'int' value. */
773 int_case:
53a5960a 774 len = tget32(optlen);
2efbe911
FB		 775 if (len < 0)
776 return -EINVAL;
777 lv = sizeof(int);
778 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
779 if (ret < 0)
780 return ret;
781 val = tswap32(val);
782 if (len > lv)
783 len = lv;
53a5960a
PB		 784 if (len == 4)
785 tput32(optval, val);
786 else
787 tput8(optval, val);
788 tput32(optlen, len);
2efbe911
FB		 789 break;
790 case SOL_IP:
791 switch(optname) {
792 case IP_TOS:
793 case IP_TTL:
794 case IP_HDRINCL:
795 case IP_ROUTER_ALERT:
796 case IP_RECVOPTS:
797 case IP_RETOPTS:
798 case IP_PKTINFO:
799 case IP_MTU_DISCOVER:
800 case IP_RECVERR:
801 case IP_RECVTOS:
802#ifdef IP_FREEBIND
803 case IP_FREEBIND:
804#endif
805 case IP_MULTICAST_TTL:
806 case IP_MULTICAST_LOOP:
53a5960a 807 len = tget32(optlen);
8853f86e
FB		 808 if (len < 0)
809 return -EINVAL;
810 lv = sizeof(int);
811 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
812 if (ret < 0)
813 return ret;
2efbe911 814 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 815 len = 1;
53a5960a
PB		 816 tput32(optlen, len);
817 tput8(optval, val);
2efbe911 818 } else {
2efbe911
FB		 819 if (len > sizeof(int))
820 len = sizeof(int);
53a5960a
PB		 821 tput32(optlen, len);
822 tput32(optval, val);
2efbe911 823 }
8853f86e 824 break;
2efbe911
FB		 825 default:
826 goto unimplemented;
8853f86e
FB		 827 }
828 break;
829 default:
830 unimplemented:
831 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
832 level, optname);
833 ret = -ENOSYS;
834 break;
835 }
836 return ret;
7854b056
FB		 837}
838
53a5960a
PB		 839static void lock_iovec(struct iovec *vec, target_ulong target_addr,
840 int count, int copy)
841{
842 struct target_iovec *target_vec;
843 target_ulong base;
844 int i;
845
846 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
847 for(i = 0;i < count; i++) {
848 base = tswapl(target_vec[i].iov_base);
849 vec[i].iov_len = tswapl(target_vec[i].iov_len);
850 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
851 }
852 unlock_user (target_vec, target_addr, 0);
853}
854
855static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
856 int count, int copy)
857{
858 struct target_iovec *target_vec;
859 target_ulong base;
860 int i;
861
862 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
863 for(i = 0;i < count; i++) {
864 base = tswapl(target_vec[i].iov_base);
865 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
866 }
867 unlock_user (target_vec, target_addr, 0);
868}
869
3532fa74
FB		 870static long do_socket(int domain, int type, int protocol)
871{
872#if defined(TARGET_MIPS)
873 switch(type) {
874 case TARGET_SOCK_DGRAM:
875 type = SOCK_DGRAM;
876 break;
877 case TARGET_SOCK_STREAM:
878 type = SOCK_STREAM;
879 break;
880 case TARGET_SOCK_RAW:
881 type = SOCK_RAW;
882 break;
883 case TARGET_SOCK_RDM:
884 type = SOCK_RDM;
885 break;
886 case TARGET_SOCK_SEQPACKET:
887 type = SOCK_SEQPACKET;
888 break;
889 case TARGET_SOCK_PACKET:
890 type = SOCK_PACKET;
891 break;
892 }
893#endif
894 return get_errno(socket(domain, type, protocol));
895}
896
897static long do_bind(int sockfd, target_ulong target_addr,
898 socklen_t addrlen)
899{
900 void *addr = alloca(addrlen);
901
902 target_to_host_sockaddr(addr, target_addr, addrlen);
903 return get_errno(bind(sockfd, addr, addrlen));
904}
905
906static long do_connect(int sockfd, target_ulong target_addr,
907 socklen_t addrlen)
908{
909 void *addr = alloca(addrlen);
910
911 target_to_host_sockaddr(addr, target_addr, addrlen);
912 return get_errno(connect(sockfd, addr, addrlen));
913}
914
915static long do_sendrecvmsg(int fd, target_ulong target_msg,
916 int flags, int send)
917{
918 long ret;
919 struct target_msghdr *msgp;
920 struct msghdr msg;
921 int count;
922 struct iovec *vec;
923 target_ulong target_vec;
924
925 lock_user_struct(msgp, target_msg, 1);
926 if (msgp->msg_name) {
927 msg.msg_namelen = tswap32(msgp->msg_namelen);
928 msg.msg_name = alloca(msg.msg_namelen);
929 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
930 msg.msg_namelen);
931 } else {
932 msg.msg_name = NULL;
933 msg.msg_namelen = 0;
934 }
935 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
936 msg.msg_control = alloca(msg.msg_controllen);
937 msg.msg_flags = tswap32(msgp->msg_flags);
938
939 count = tswapl(msgp->msg_iovlen);
940 vec = alloca(count * sizeof(struct iovec));
941 target_vec = tswapl(msgp->msg_iov);
942 lock_iovec(vec, target_vec, count, send);
943 msg.msg_iovlen = count;
944 msg.msg_iov = vec;
945
946 if (send) {
947 target_to_host_cmsg(&msg, msgp);
948 ret = get_errno(sendmsg(fd, &msg, flags));
949 } else {
950 ret = get_errno(recvmsg(fd, &msg, flags));
951 if (!is_error(ret))
952 host_to_target_cmsg(msgp, &msg);
953 }
954 unlock_iovec(vec, target_vec, count, !send);
955 return ret;
956}
957
1be9e1dc
PB		 958static long do_accept(int fd, target_ulong target_addr,
959 target_ulong target_addrlen)
960{
961 socklen_t addrlen = tget32(target_addrlen);
197ea35a 962 void *addr = alloca(addrlen);
1be9e1dc
PB		 963 long ret;
964
965 ret = get_errno(accept(fd, addr, &addrlen));
966 if (!is_error(ret)) {
967 host_to_target_sockaddr(target_addr, addr, addrlen);
968 tput32(target_addrlen, addrlen);
969 }
970 return ret;
971}
972
973static long do_getpeername(int fd, target_ulong target_addr,
974 target_ulong target_addrlen)
975{
976 socklen_t addrlen = tget32(target_addrlen);
01c227fb 977 void *addr = alloca(addrlen);
1be9e1dc
PB		 978 long ret;
979
980 ret = get_errno(getpeername(fd, addr, &addrlen));
981 if (!is_error(ret)) {
982 host_to_target_sockaddr(target_addr, addr, addrlen);
983 tput32(target_addrlen, addrlen);
984 }
985 return ret;
986}
987
988static long do_getsockname(int fd, target_ulong target_addr,
989 target_ulong target_addrlen)
990{
991 socklen_t addrlen = tget32(target_addrlen);
01c227fb 992 void *addr = alloca(addrlen);
1be9e1dc
PB		 993 long ret;
994
995 ret = get_errno(getsockname(fd, addr, &addrlen));
996 if (!is_error(ret)) {
997 host_to_target_sockaddr(target_addr, addr, addrlen);
998 tput32(target_addrlen, addrlen);
999 }
1000 return ret;
1001}
1002
1003static long do_socketpair(int domain, int type, int protocol,
1004 target_ulong target_tab)
1005{
1006 int tab[2];
1007 long ret;
1008
1009 ret = get_errno(socketpair(domain, type, protocol, tab));
1010 if (!is_error(ret)) {
1011 tput32(target_tab, tab[0]);
1012 tput32(target_tab + 4, tab[1]);
1013 }
1014 return ret;
1015}
1016
1017static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
1018 target_ulong target_addr, socklen_t addrlen)
1019{
1020 void *addr;
1021 void *host_msg;
1022 long ret;
1023
1024 host_msg = lock_user(msg, len, 1);
1025 if (target_addr) {
1026 addr = alloca(addrlen);
1027 target_to_host_sockaddr(addr, target_addr, addrlen);
1028 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1029 } else {
1030 ret = get_errno(send(fd, host_msg, len, flags));
1031 }
1032 unlock_user(host_msg, msg, 0);
1033 return ret;
1034}
1035
1036static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
1037 target_ulong target_addr, target_ulong target_addrlen)
1038{
1039 socklen_t addrlen;
1040 void *addr;
1041 void *host_msg;
1042 long ret;
1043
1044 host_msg = lock_user(msg, len, 0);
1045 if (target_addr) {
1046 addrlen = tget32(target_addrlen);
1047 addr = alloca(addrlen);
1048 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1049 } else {
1050 addr = NULL; /* To keep compiler quiet. */
1051 ret = get_errno(recv(fd, host_msg, len, flags));
1052 }
1053 if (!is_error(ret)) {
1054 if (target_addr) {
1055 host_to_target_sockaddr(target_addr, addr, addrlen);
1056 tput32(target_addrlen, addrlen);
1057 }
1058 unlock_user(host_msg, msg, len);
1059 } else {
1060 unlock_user(host_msg, msg, 0);
1061 }
1062 return ret;
1063}
1064
85aa199a 1065static long do_socketcall(int num, target_ulong vptr)
31e31b8a
FB		 1066{
1067 long ret;
53a5960a 1068 const int n = sizeof(target_ulong);
31e31b8a
FB		 1069
1070 switch(num) {
1071 case SOCKOP_socket:
7854b056 1072 {
53a5960a
PB		 1073 int domain = tgetl(vptr);
1074 int type = tgetl(vptr + n);
1075 int protocol = tgetl(vptr + 2 * n);
3532fa74 1076 ret = do_socket(domain, type, protocol);
7854b056 1077 }
31e31b8a
FB		 1078 break;
1079 case SOCKOP_bind:
7854b056 1080 {
53a5960a
PB		 1081 int sockfd = tgetl(vptr);
1082 target_ulong target_addr = tgetl(vptr + n);
1083 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 1084 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1085 }
31e31b8a
FB		 1086 break;
1087 case SOCKOP_connect:
7854b056 1088 {
53a5960a
PB		 1089 int sockfd = tgetl(vptr);
1090 target_ulong target_addr = tgetl(vptr + n);
1091 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 1092 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1093 }
31e31b8a
FB		 1094 break;
1095 case SOCKOP_listen:
7854b056 1096 {
53a5960a
PB		 1097 int sockfd = tgetl(vptr);
1098 int backlog = tgetl(vptr + n);
7854b056
FB		 1099 ret = get_errno(listen(sockfd, backlog));
1100 }
31e31b8a
FB		 1101 break;
1102 case SOCKOP_accept:
1103 {
53a5960a
PB		 1104 int sockfd = tgetl(vptr);
1105 target_ulong target_addr = tgetl(vptr + n);
1106 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1107 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1108 }
1109 break;
1110 case SOCKOP_getsockname:
1111 {
53a5960a
PB		 1112 int sockfd = tgetl(vptr);
1113 target_ulong target_addr = tgetl(vptr + n);
1114 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1115 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1116 }
1117 break;
1118 case SOCKOP_getpeername:
1119 {
53a5960a
PB		 1120 int sockfd = tgetl(vptr);
1121 target_ulong target_addr = tgetl(vptr + n);
1122 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1123 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1124 }
1125 break;
1126 case SOCKOP_socketpair:
1127 {
53a5960a
PB		 1128 int domain = tgetl(vptr);
1129 int type = tgetl(vptr + n);
1130 int protocol = tgetl(vptr + 2 * n);
1be9e1dc
PB		 1131 target_ulong tab = tgetl(vptr + 3 * n);
1132 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1133 }
1134 break;
1135 case SOCKOP_send:
7854b056 1136 {
53a5960a
PB		 1137 int sockfd = tgetl(vptr);
1138 target_ulong msg = tgetl(vptr + n);
1139 size_t len = tgetl(vptr + 2 * n);
1140 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1141 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1142 }
31e31b8a
FB		 1143 break;
1144 case SOCKOP_recv:
7854b056 1145 {
53a5960a
PB		 1146 int sockfd = tgetl(vptr);
1147 target_ulong msg = tgetl(vptr + n);
1148 size_t len = tgetl(vptr + 2 * n);
1149 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1150 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1151 }
31e31b8a
FB		 1152 break;
1153 case SOCKOP_sendto:
7854b056 1154 {
53a5960a
PB		 1155 int sockfd = tgetl(vptr);
1156 target_ulong msg = tgetl(vptr + n);
1157 size_t len = tgetl(vptr + 2 * n);
1158 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1159 target_ulong addr = tgetl(vptr + 4 * n);
53a5960a 1160 socklen_t addrlen = tgetl(vptr + 5 * n);
1be9e1dc 1161 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1162 }
31e31b8a
FB		 1163 break;
1164 case SOCKOP_recvfrom:
1165 {
53a5960a
PB		 1166 int sockfd = tgetl(vptr);
1167 target_ulong msg = tgetl(vptr + n);
1168 size_t len = tgetl(vptr + 2 * n);
1169 int flags = tgetl(vptr + 3 * n);
1be9e1dc
PB		 1170 target_ulong addr = tgetl(vptr + 4 * n);
1171 target_ulong addrlen = tgetl(vptr + 5 * n);
1172 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1173 }
1174 break;
1175 case SOCKOP_shutdown:
7854b056 1176 {
53a5960a
PB		 1177 int sockfd = tgetl(vptr);
1178 int how = tgetl(vptr + n);
7854b056
FB		 1179
1180 ret = get_errno(shutdown(sockfd, how));
1181 }
31e31b8a
FB		 1182 break;
1183 case SOCKOP_sendmsg:
1184 case SOCKOP_recvmsg:
1a9353d2
FB		 1185 {
1186 int fd;
53a5960a 1187 target_ulong target_msg;
3532fa74 1188 int flags;
1a9353d2 1189
53a5960a 1190 fd = tgetl(vptr);
3532fa74 1191 target_msg = tgetl(vptr + n);
53a5960a 1192 flags = tgetl(vptr + 2 * n);
3532fa74
FB		 1193
1194 ret = do_sendrecvmsg(fd, target_msg, flags,
1195 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1196 }
1197 break;
31e31b8a 1198 case SOCKOP_setsockopt:
7854b056 1199 {
53a5960a
PB		 1200 int sockfd = tgetl(vptr);
1201 int level = tgetl(vptr + n);
1202 int optname = tgetl(vptr + 2 * n);
1203 target_ulong optval = tgetl(vptr + 3 * n);
1204 socklen_t optlen = tgetl(vptr + 4 * n);
7854b056
FB		 1205
1206 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1207 }
1208 break;
31e31b8a 1209 case SOCKOP_getsockopt:
7854b056 1210 {
53a5960a
PB		 1211 int sockfd = tgetl(vptr);
1212 int level = tgetl(vptr + n);
1213 int optname = tgetl(vptr + 2 * n);
1214 target_ulong optval = tgetl(vptr + 3 * n);
1215 target_ulong poptlen = tgetl(vptr + 4 * n);
7854b056 1216
8853f86e 1217 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
7854b056
FB		 1218 }
1219 break;
31e31b8a
FB		 1220 default:
1221 gemu_log("Unsupported socketcall: %d\n", num);
1222 ret = -ENOSYS;
1223 break;
1224 }
1225 return ret;
1226}
1227
8853f86e
FB		 1228#define N_SHM_REGIONS 32
1229
1230static struct shm_region {
1231 uint32_t start;
1232 uint32_t size;
1233} shm_regions[N_SHM_REGIONS];
1234
3eb6b044
TS		 1235struct target_ipc_perm
1236{
1237 target_long __key;
1238 target_ulong uid;
1239 target_ulong gid;
1240 target_ulong cuid;
1241 target_ulong cgid;
1242 unsigned short int mode;
1243 unsigned short int __pad1;
1244 unsigned short int __seq;
1245 unsigned short int __pad2;
1246 target_ulong __unused1;
1247 target_ulong __unused2;
1248};
1249
1250struct target_semid_ds
1251{
1252 struct target_ipc_perm sem_perm;
1253 target_ulong sem_otime;
1254 target_ulong __unused1;
1255 target_ulong sem_ctime;
1256 target_ulong __unused2;
1257 target_ulong sem_nsems;
1258 target_ulong __unused3;
1259 target_ulong __unused4;
1260};
1261
1262static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip,
1263 target_ulong target_addr)
1264{
1265 struct target_ipc_perm *target_ip;
1266 struct target_semid_ds *target_sd;
1267
1268 lock_user_struct(target_sd, target_addr, 1);
1269 target_ip=&(target_sd->sem_perm);
1270 host_ip->__key = tswapl(target_ip->__key);
1271 host_ip->uid = tswapl(target_ip->uid);
1272 host_ip->gid = tswapl(target_ip->gid);
1273 host_ip->cuid = tswapl(target_ip->cuid);
1274 host_ip->cgid = tswapl(target_ip->cgid);
1275 host_ip->mode = tswapl(target_ip->mode);
1276 unlock_user_struct(target_sd, target_addr, 0);
1277}
1278
1279static inline void host_to_target_ipc_perm(target_ulong target_addr,
1280 struct ipc_perm *host_ip)
1281{
1282 struct target_ipc_perm *target_ip;
1283 struct target_semid_ds *target_sd;
1284
1285 lock_user_struct(target_sd, target_addr, 0);
1286 target_ip = &(target_sd->sem_perm);
1287 target_ip->__key = tswapl(host_ip->__key);
1288 target_ip->uid = tswapl(host_ip->uid);
1289 target_ip->gid = tswapl(host_ip->gid);
1290 target_ip->cuid = tswapl(host_ip->cuid);
1291 target_ip->cgid = tswapl(host_ip->cgid);
1292 target_ip->mode = tswapl(host_ip->mode);
1293 unlock_user_struct(target_sd, target_addr, 1);
1294}
1295
1296static inline void target_to_host_semid_ds(struct semid_ds *host_sd,
1297 target_ulong target_addr)
1298{
1299 struct target_semid_ds *target_sd;
1300
1301 lock_user_struct(target_sd, target_addr, 1);
1302 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1303 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1304 host_sd->sem_otime = tswapl(target_sd->sem_otime);
1305 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1306 unlock_user_struct(target_sd, target_addr, 0);
1307}
1308
1309static inline void host_to_target_semid_ds(target_ulong target_addr,
1310 struct semid_ds *host_sd)
1311{
1312 struct target_semid_ds *target_sd;
1313
1314 lock_user_struct(target_sd, target_addr, 0);
1315 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1316 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1317 target_sd->sem_otime = tswapl(host_sd->sem_otime);
1318 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1319 unlock_user_struct(target_sd, target_addr, 1);
1320}
1321
fa294816
TS		 1322union semun {
1323 int val;
3eb6b044 1324 struct semid_ds *buf;
fa294816
TS		 1325 unsigned short *array;
1326};
1327
3eb6b044
TS		 1328union target_semun {
1329 int val;
1330 target_long buf;
1331 unsigned short int *array;
1332};
1333
1334static inline void target_to_host_semun(unsigned long cmd,
1335 union semun *host_su,
1336 target_ulong target_addr,
1337 struct semid_ds *ds)
1338{
1339 union target_semun *target_su;
1340
1341 switch( cmd ) {
1342 case IPC_STAT:
1343 case IPC_SET:
1344 lock_user_struct(target_su, target_addr, 1);
1345 target_to_host_semid_ds(ds,target_su->buf);
1346 host_su->buf = ds;
1347 unlock_user_struct(target_su, target_addr, 0);
1348 break;
1349 case GETVAL:
1350 case SETVAL:
1351 lock_user_struct(target_su, target_addr, 1);
1352 host_su->val = tswapl(target_su->val);
1353 unlock_user_struct(target_su, target_addr, 0);
1354 break;
1355 case GETALL:
1356 case SETALL:
1357 lock_user_struct(target_su, target_addr, 1);
1358 *host_su->array = tswap16(*target_su->array);
1359 unlock_user_struct(target_su, target_addr, 0);
1360 break;
1361 default:
1362 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1363 }
1364}
1365
1366static inline void host_to_target_semun(unsigned long cmd,
1367 target_ulong target_addr,
1368 union semun *host_su,
1369 struct semid_ds *ds)
1370{
1371 union target_semun *target_su;
1372
1373 switch( cmd ) {
1374 case IPC_STAT:
1375 case IPC_SET:
1376 lock_user_struct(target_su, target_addr, 0);
1377 host_to_target_semid_ds(target_su->buf,ds);
1378 unlock_user_struct(target_su, target_addr, 1);
1379 break;
1380 case GETVAL:
1381 case SETVAL:
1382 lock_user_struct(target_su, target_addr, 0);
1383 target_su->val = tswapl(host_su->val);
1384 unlock_user_struct(target_su, target_addr, 1);
1385 break;
1386 case GETALL:
1387 case SETALL:
1388 lock_user_struct(target_su, target_addr, 0);
1389 *target_su->array = tswap16(*host_su->array);
1390 unlock_user_struct(target_su, target_addr, 1);
1391 break;
1392 default:
1393 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1394 }
1395}
1396
1397static inline long do_semctl(long first, long second, long third, long ptr)
1398{
1399 union semun arg;
1400 struct semid_ds dsarg;
1401 int cmd = third&0xff;
1402 long ret = 0;
1403
1404 switch( cmd ) {
1405 case GETVAL:
1406 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1407 ret = get_errno(semctl(first, second, cmd, arg));
1408 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1409 break;
1410 case SETVAL:
1411 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1412 ret = get_errno(semctl(first, second, cmd, arg));
1413 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1414 break;
1415 case GETALL:
1416 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1417 ret = get_errno(semctl(first, second, cmd, arg));
1418 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1419 break;
1420 case SETALL:
1421 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1422 ret = get_errno(semctl(first, second, cmd, arg));
1423 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1424 break;
1425 case IPC_STAT:
1426 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1427 ret = get_errno(semctl(first, second, cmd, arg));
1428 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1429 break;
1430 case IPC_SET:
1431 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1432 ret = get_errno(semctl(first, second, cmd, arg));
1433 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1434 break;
1435 default:
1436 ret = get_errno(semctl(first, second, cmd, arg));
1437 }
1438
1439 return ret;
1440}
1441
1bc012f6
TS		 1442struct target_msqid_ds
1443{
1444 struct target_ipc_perm msg_perm;
1445 target_ulong msg_stime;
1446 target_ulong __unused1;
1447 target_ulong msg_rtime;
1448 target_ulong __unused2;
1449 target_ulong msg_ctime;
1450 target_ulong __unused3;
1451 target_ulong __msg_cbytes;
1452 target_ulong msg_qnum;
1453 target_ulong msg_qbytes;
1454 target_ulong msg_lspid;
1455 target_ulong msg_lrpid;
1456 target_ulong __unused4;
1457 target_ulong __unused5;
1458};
1459
1460static inline void target_to_host_msqid_ds(struct msqid_ds *host_md,
1461 target_ulong target_addr)
1462{
1463 struct target_msqid_ds *target_md;
1464
1465 lock_user_struct(target_md, target_addr, 1);
1466 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
1467 host_md->msg_stime = tswapl(target_md->msg_stime);
1468 host_md->msg_rtime = tswapl(target_md->msg_rtime);
1469 host_md->msg_ctime = tswapl(target_md->msg_ctime);
1470 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1471 host_md->msg_qnum = tswapl(target_md->msg_qnum);
1472 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1473 host_md->msg_lspid = tswapl(target_md->msg_lspid);
1474 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1475 unlock_user_struct(target_md, target_addr, 0);
1476}
1477
1478static inline void host_to_target_msqid_ds(target_ulong target_addr,
1479 struct msqid_ds *host_md)
1480{
1481 struct target_msqid_ds *target_md;
1482
1483 lock_user_struct(target_md, target_addr, 0);
1484 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
1485 target_md->msg_stime = tswapl(host_md->msg_stime);
1486 target_md->msg_rtime = tswapl(host_md->msg_rtime);
1487 target_md->msg_ctime = tswapl(host_md->msg_ctime);
1488 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1489 target_md->msg_qnum = tswapl(host_md->msg_qnum);
1490 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1491 target_md->msg_lspid = tswapl(host_md->msg_lspid);
1492 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1493 unlock_user_struct(target_md, target_addr, 1);
1494}
1495
1496static inline long do_msgctl(long first, long second, long ptr)
1497{
1498 struct msqid_ds dsarg;
1499 int cmd = second&0xff;
1500 long ret = 0;
1501 switch( cmd ) {
1502 case IPC_STAT:
1503 case IPC_SET:
1504 target_to_host_msqid_ds(&dsarg,ptr);
1505 ret = get_errno(msgctl(first, cmd, &dsarg));
1506 host_to_target_msqid_ds(ptr,&dsarg);
1507 default:
1508 ret = get_errno(msgctl(first, cmd, &dsarg));
1509 }
1510 return ret;
1511}
1512
1513struct target_msgbuf {
1514 target_ulong mtype;
1515 char mtext[1];
1516};
1517
1518static inline long do_msgsnd(long msqid, long msgp, long msgsz, long msgflg)
1519{
1520 struct target_msgbuf *target_mb;
1521 struct msgbuf *host_mb;
1522 long ret = 0;
1523
1524 lock_user_struct(target_mb,msgp,0);
1525 host_mb = malloc(msgsz+sizeof(long));
1526 host_mb->mtype = tswapl(target_mb->mtype);
1527 memcpy(host_mb->mtext,target_mb->mtext,msgsz);
1528 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
1529 free(host_mb);
1530 unlock_user_struct(target_mb, msgp, 0);
1531
1532 return ret;
1533}
1534
1535static inline long do_msgrcv(long msqid, long msgp, long msgsz, long msgtype, long msgflg)
1536{
1537 struct target_msgbuf *target_mb;
1538 struct msgbuf *host_mb;
1539 long ret = 0;
1540
1541 lock_user_struct(target_mb, msgp, 0);
1542 host_mb = malloc(msgsz+sizeof(long));
1543 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
1544 if (ret > 0)
1545 memcpy(target_mb->mtext, host_mb->mtext, ret);
1546 target_mb->mtype = tswapl(host_mb->mtype);
1547 free(host_mb);
1548 unlock_user_struct(target_mb, msgp, 0);
1549
1550 return ret;
1551}
1552
53a5960a 1553/* ??? This only works with linear mappings. */
8853f86e
FB		 1554static long do_ipc(long call, long first, long second, long third,
1555 long ptr, long fifth)
1556{
1557 int version;
1558 long ret = 0;
1559 unsigned long raddr;
1560 struct shmid_ds shm_info;
1561 int i;
1562
1563 version = call >> 16;
1564 call &= 0xffff;
1565
1566 switch (call) {
fa294816
TS		 1567 case IPCOP_semop:
1568 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1569 break;
1570
1571 case IPCOP_semget:
1572 ret = get_errno(semget(first, second, third));
1573 break;
1574
1575 case IPCOP_semctl:
3eb6b044 1576 ret = do_semctl(first, second, third, ptr);
fa294816
TS		 1577 break;
1578
1579 case IPCOP_semtimedop:
1580 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1581 ret = -ENOSYS;
1582 break;
d96372ef
TS		 1583
1584 case IPCOP_msgget:
1585 ret = get_errno(msgget(first, second));
1586 break;
1587
1588 case IPCOP_msgsnd:
1bc012f6 1589 ret = do_msgsnd(first, ptr, second, third);
d96372ef
TS		 1590 break;
1591
1592 case IPCOP_msgctl:
1bc012f6 1593 ret = do_msgctl(first, second, ptr);
d96372ef
TS		 1594 break;
1595
1596 case IPCOP_msgrcv:
1bc012f6
TS		 1597 {
1598 struct ipc_kludge
1599 {
1600 void *__unbounded msgp;
1601 long int msgtyp;
1602 };
d96372ef 1603
1bc012f6
TS		 1604 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1605 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
d96372ef 1606
1bc012f6 1607 ret = do_msgrcv(first, (long)msgp, second, 0, third);
d96372ef 1608
1bc012f6 1609 }
d96372ef
TS		 1610 break;
1611
8853f86e
FB		 1612 case IPCOP_shmat:
1613 /* SHM_* flags are the same on all linux platforms */
1614 ret = get_errno((long) shmat(first, (void *) ptr, second));
1615 if (is_error(ret))
1616 break;
1617 raddr = ret;
1618 /* find out the length of the shared memory segment */
1619
1620 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1621 if (is_error(ret)) {
1622 /* can't get length, bail out */
1623 shmdt((void *) raddr);
1624 break;
1625 }
1626 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1627 PAGE_VALID | PAGE_READ |
1628 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1629 for (i = 0; i < N_SHM_REGIONS; ++i) {
1630 if (shm_regions[i].start == 0) {
1631 shm_regions[i].start = raddr;
1632 shm_regions[i].size = shm_info.shm_segsz;
1633 break;
1634 }
1635 }
1636 if (put_user(raddr, (uint32_t *)third))
1637 return -EFAULT;
1638 ret = 0;
1639 break;
1640 case IPCOP_shmdt:
1641 for (i = 0; i < N_SHM_REGIONS; ++i) {
1642 if (shm_regions[i].start == ptr) {
1643 shm_regions[i].start = 0;
1644 page_set_flags(ptr, shm_regions[i].size, 0);
1645 break;
1646 }
1647 }
1648 ret = get_errno(shmdt((void *) ptr));
1649 break;
1650
1651 case IPCOP_shmget:
1652 /* IPC_* flag values are the same on all linux platforms */
1653 ret = get_errno(shmget(first, second, third));
1654 break;
1655
1656 /* IPC_* and SHM_* command values are the same on all linux platforms */
1657 case IPCOP_shmctl:
1658 switch(second) {
1659 case IPC_RMID:
1660 case SHM_LOCK:
1661 case SHM_UNLOCK:
1662 ret = get_errno(shmctl(first, second, NULL));
1663 break;
1664 default:
1665 goto unimplemented;
1666 }
1667 break;
1668 default:
1669 unimplemented:
1670 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1671 ret = -ENOSYS;
1672 break;
1673 }
1674 return ret;
1675}
1676
31e31b8a
FB		 1677/* kernel structure types definitions */
1678#define IFNAMSIZ 16
1679
1680#define STRUCT(name, list...) STRUCT_ ## name,
1681#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1682enum {
1683#include "syscall_types.h"
1684};
1685#undef STRUCT
1686#undef STRUCT_SPECIAL
1687
1688#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1689#define STRUCT_SPECIAL(name)
1690#include "syscall_types.h"
1691#undef STRUCT
1692#undef STRUCT_SPECIAL
1693
1694typedef struct IOCTLEntry {
2ab83ea7
FB		 1695 unsigned int target_cmd;
1696 unsigned int host_cmd;
31e31b8a
FB		 1697 const char *name;
1698 int access;
1a9353d2 1699 const argtype arg_type[5];
31e31b8a
FB		 1700} IOCTLEntry;
1701
1702#define IOC_R 0x0001
1703#define IOC_W 0x0002
1704#define IOC_RW (IOC_R | IOC_W)
1705
1706#define MAX_STRUCT_SIZE 4096
1707
2ab83ea7 1708IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 1709#define IOCTL(cmd, access, types...) \
1710 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1711#include "ioctls.h"
1712 { 0, 0, },
1713};
1714
53a5960a 1715/* ??? Implement proper locking for ioctls. */
31e31b8a
FB		 1716static long do_ioctl(long fd, long cmd, long arg)
1717{
1718 const IOCTLEntry *ie;
1719 const argtype *arg_type;
1720 long ret;
1721 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 1722 int target_size;
1723 void *argptr;
31e31b8a
FB		 1724
1725 ie = ioctl_entries;
1726 for(;;) {
1727 if (ie->target_cmd == 0) {
1728 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1729 return -ENOSYS;
1730 }
1731 if (ie->target_cmd == cmd)
1732 break;
1733 ie++;
1734 }
1735 arg_type = ie->arg_type;
9de5e440 1736#if defined(DEBUG)
72f03900
FB		 1737 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1738#endif
31e31b8a
FB		 1739 switch(arg_type[0]) {
1740 case TYPE_NULL:
1741 /* no argument */
1742 ret = get_errno(ioctl(fd, ie->host_cmd));
1743 break;
1744 case TYPE_PTRVOID:
1745 case TYPE_INT:
1746 /* int argment */
1747 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1748 break;
1749 case TYPE_PTR:
1750 arg_type++;
53a5960a 1751 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 1752 switch(ie->access) {
1753 case IOC_R:
1754 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1755 if (!is_error(ret)) {
53a5960a
PB		 1756 argptr = lock_user(arg, target_size, 0);
1757 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1758 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1759 }
1760 break;
1761 case IOC_W:
53a5960a
PB		 1762 argptr = lock_user(arg, target_size, 1);
1763 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1764 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1765 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1766 break;
1767 default:
1768 case IOC_RW:
53a5960a
PB		 1769 argptr = lock_user(arg, target_size, 1);
1770 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1771 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1772 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1773 if (!is_error(ret)) {
53a5960a
PB		 1774 argptr = lock_user(arg, target_size, 0);
1775 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1776 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1777 }
1778 break;
1779 }
1780 break;
1781 default:
1782 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1783 ret = -ENOSYS;
1784 break;
1785 }
1786 return ret;
1787}
1788
1789bitmask_transtbl iflag_tbl[] = {
1790 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1791 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1792 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1793 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1794 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1795 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1796 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1797 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1798 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1799 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1800 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1801 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1802 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1803 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1804 { 0, 0, 0, 0 }
1805};
1806
1807bitmask_transtbl oflag_tbl[] = {
1808 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1809 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1810 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1811 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1812 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1813 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1814 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1815 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1816 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1817 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1818 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1819 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1820 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1821 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1822 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1823 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1824 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1825 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1826 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1827 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1828 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1829 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1830 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1831 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1832 { 0, 0, 0, 0 }
1833};
1834
1835bitmask_transtbl cflag_tbl[] = {
1836 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1837 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1838 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1839 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1840 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1841 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1842 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1843 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1844 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1845 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1846 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1847 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1848 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1849 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1850 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1851 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1852 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1853 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1854 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1855 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1856 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1857 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1858 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1859 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1860 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1861 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1862 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1863 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1864 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1865 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1866 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1867 { 0, 0, 0, 0 }
1868};
1869
1870bitmask_transtbl lflag_tbl[] = {
1871 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1872 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1873 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1874 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1875 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1876 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1877 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1878 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1879 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1880 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1881 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1882 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1883 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1884 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1885 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1886 { 0, 0, 0, 0 }
1887};
1888
1889static void target_to_host_termios (void *dst, const void *src)
1890{
1891 struct host_termios *host = dst;
1892 const struct target_termios *target = src;
1893
1894 host->c_iflag =
1895 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
1896 host->c_oflag =
1897 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
1898 host->c_cflag =
1899 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
1900 host->c_lflag =
1901 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1902 host->c_line = target->c_line;
1903
1904 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1905 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
1906 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
1907 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
1908 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
1909 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
1910 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
1911 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
1912 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
1913 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1914 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
1915 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1916 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1917 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1918 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1919 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
1920 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
1921}
1922
1923static void host_to_target_termios (void *dst, const void *src)
1924{
1925 struct target_termios *target = dst;
1926 const struct host_termios *host = src;
1927
1928 target->c_iflag =
1929 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
1930 target->c_oflag =
1931 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
1932 target->c_cflag =
1933 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
1934 target->c_lflag =
1935 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
1936 target->c_line = host->c_line;
1937
1938 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
1939 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
1940 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
1941 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
1942 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
1943 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
1944 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
1945 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
1946 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
1947 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
1948 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
1949 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
1950 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
1951 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
1952 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
1953 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
1954 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
1955}
1956
1957StructEntry struct_termios_def = {
1958 .convert = { host_to_target_termios, target_to_host_termios },
1959 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
1960 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
1961};
1962
5286db75
FB		 1963static bitmask_transtbl mmap_flags_tbl[] = {
1964 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
1965 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
1966 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
1967 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
1968 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
1969 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
1970 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
1971 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
1972 { 0, 0, 0, 0 }
1973};
1974
ffa65c3b
FB		 1975static bitmask_transtbl fcntl_flags_tbl[] = {
1976 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
1977 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
1978 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
1979 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
1980 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
1981 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
1982 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
1983 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
1984 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
1985 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
1986 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
1987 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
1988 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 1989#if defined(O_DIRECT)
ffa65c3b 1990 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 1991#endif
ffa65c3b
FB		 1992 { 0, 0, 0, 0 }
1993};
1994
2ab83ea7 1995#if defined(TARGET_I386)
6dbad63e
FB		 1996
1997/* NOTE: there is really one LDT for all the threads */
1998uint8_t *ldt_table;
1999
53a5960a 2000static int read_ldt(target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 2001{
2002 int size;
53a5960a 2003 void *p;
6dbad63e
FB		 2004
2005 if (!ldt_table)
2006 return 0;
2007 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2008 if (size > bytecount)
2009 size = bytecount;
53a5960a
PB		 2010 p = lock_user(ptr, size, 0);
2011 /* ??? Shoudl this by byteswapped? */
2012 memcpy(p, ldt_table, size);
2013 unlock_user(p, ptr, size);
6dbad63e
FB		 2014 return size;
2015}
2016
2017/* XXX: add locking support */
2018static int write_ldt(CPUX86State *env,
53a5960a 2019 target_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 2020{
2021 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 2022 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e
FB		 2023 int seg_32bit, contents, read_exec_only, limit_in_pages;
2024 int seg_not_present, useable;
2025 uint32_t *lp, entry_1, entry_2;
2026
2027 if (bytecount != sizeof(ldt_info))
2028 return -EINVAL;
53a5960a
PB		 2029 lock_user_struct(target_ldt_info, ptr, 1);
2030 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2031 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2032 ldt_info.limit = tswap32(target_ldt_info->limit);
2033 ldt_info.flags = tswap32(target_ldt_info->flags);
2034 unlock_user_struct(target_ldt_info, ptr, 0);
6dbad63e
FB		 2035
2036 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
2037 return -EINVAL;
2038 seg_32bit = ldt_info.flags & 1;
2039 contents = (ldt_info.flags >> 1) & 3;
2040 read_exec_only = (ldt_info.flags >> 3) & 1;
2041 limit_in_pages = (ldt_info.flags >> 4) & 1;
2042 seg_not_present = (ldt_info.flags >> 5) & 1;
2043 useable = (ldt_info.flags >> 6) & 1;
2044
2045 if (contents == 3) {
2046 if (oldmode)
2047 return -EINVAL;
2048 if (seg_not_present == 0)
2049 return -EINVAL;
2050 }
2051 /* allocate the LDT */
2052 if (!ldt_table) {
2053 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2054 if (!ldt_table)
2055 return -ENOMEM;
2056 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
53a5960a 2057 env->ldt.base = h2g(ldt_table);
6dbad63e
FB		 2058 env->ldt.limit = 0xffff;
2059 }
2060
2061 /* NOTE: same code as Linux kernel */
2062 /* Allow LDTs to be cleared by the user. */
2063 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2064 if (oldmode ||
2065 (contents == 0 &&
2066 read_exec_only == 1 &&
2067 seg_32bit == 0 &&
2068 limit_in_pages == 0 &&
2069 seg_not_present == 1 &&
2070 useable == 0 )) {
2071 entry_1 = 0;
2072 entry_2 = 0;
2073 goto install;
2074 }
2075 }
2076
2077 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2078 (ldt_info.limit & 0x0ffff);
2079 entry_2 = (ldt_info.base_addr & 0xff000000) |
2080 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2081 (ldt_info.limit & 0xf0000) |
2082 ((read_exec_only ^ 1) << 9) |
2083 (contents << 10) |
2084 ((seg_not_present ^ 1) << 15) |
2085 (seg_32bit << 22) |
2086 (limit_in_pages << 23) |
2087 0x7000;
2088 if (!oldmode)
2089 entry_2 |= (useable << 20);
14ae3ba7 2090
6dbad63e
FB		 2091 /* Install the new entry ... */
2092install:
2093 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2094 lp[0] = tswap32(entry_1);
2095 lp[1] = tswap32(entry_2);
2096 return 0;
2097}
2098
2099/* specific and weird i386 syscalls */
53a5960a 2100int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 2101{
2102 int ret = -ENOSYS;
2103
2104 switch (func) {
2105 case 0:
2106 ret = read_ldt(ptr, bytecount);
2107 break;
2108 case 1:
2109 ret = write_ldt(env, ptr, bytecount, 1);
2110 break;
2111 case 0x11:
2112 ret = write_ldt(env, ptr, bytecount, 0);
2113 break;
2114 }
2115 return ret;
2116}
1b6b029e 2117
2ab83ea7
FB		 2118#endif /* defined(TARGET_I386) */
2119
1b6b029e
FB		 2120/* this stack is the equivalent of the kernel stack associated with a
2121 thread/process */
2122#define NEW_STACK_SIZE 8192
2123
2124static int clone_func(void *arg)
2125{
2ab83ea7 2126 CPUState *env = arg;
1b6b029e
FB		 2127 cpu_loop(env);
2128 /* never exits */
2129 return 0;
2130}
2131
2ab83ea7 2132int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1b6b029e
FB		 2133{
2134 int ret;
5cd4393b 2135 TaskState *ts;
1b6b029e 2136 uint8_t *new_stack;
2ab83ea7 2137 CPUState *new_env;
1b6b029e
FB		 2138
2139 if (flags & CLONE_VM) {
5cd4393b
FB		 2140 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2141 memset(ts, 0, sizeof(TaskState));
2142 new_stack = ts->stack;
2143 ts->used = 1;
2144 /* add in task state list */
2145 ts->next = first_task_state;
2146 first_task_state = ts;
1b6b029e 2147 /* we create a new CPU instance. */
c5be9f08 2148 new_env = cpu_copy(env);
2ab83ea7
FB		 2149#if defined(TARGET_I386)
2150 if (!newsp)
2151 newsp = env->regs[R_ESP];
1b6b029e
FB		 2152 new_env->regs[R_ESP] = newsp;
2153 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 2154#elif defined(TARGET_ARM)
2155 if (!newsp)
2156 newsp = env->regs[13];
2157 new_env->regs[13] = newsp;
2158 new_env->regs[0] = 0;
ebc05488 2159#elif defined(TARGET_SPARC)
48dc41eb
FB		 2160 if (!newsp)
2161 newsp = env->regwptr[22];
2162 new_env->regwptr[22] = newsp;
2163 new_env->regwptr[0] = 0;
2164 /* XXXXX */
67867308 2165 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
e6e5906b
PB		 2166#elif defined(TARGET_M68K)
2167 if (!newsp)
2168 newsp = env->aregs[7];
2169 new_env->aregs[7] = newsp;
2170 new_env->dregs[0] = 0;
2171 /* ??? is this sufficient? */
048f6b4d 2172#elif defined(TARGET_MIPS)
388bb21a
TS		 2173 if (!newsp)
2174 newsp = env->gpr[29];
2175 new_env->gpr[29] = newsp;
67867308
FB		 2176#elif defined(TARGET_PPC)
2177 if (!newsp)
2178 newsp = env->gpr[1];
2179 new_env->gpr[1] = newsp;
2180 {
2181 int i;
2182 for (i = 7; i < 32; i++)
2183 new_env->gpr[i] = 0;
2184 }
fdf9b3e8
FB		 2185#elif defined(TARGET_SH4)
2186 if (!newsp)
2187 newsp = env->gregs[15];
2188 new_env->gregs[15] = newsp;
2189 /* XXXXX */
7a3148a9
JM		 2190#elif defined(TARGET_ALPHA)
2191 if (!newsp)
2192 newsp = env->ir[30];
2193 new_env->ir[30] = newsp;
2194 /* ? */
2195 {
2196 int i;
2197 for (i = 7; i < 30; i++)
2198 new_env->ir[i] = 0;
2199 }
2ab83ea7
FB		 2200#else
2201#error unsupported target CPU
2202#endif
5cd4393b 2203 new_env->opaque = ts;
27725c1d 2204#ifdef __ia64__
fd4a43e4 2205 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 2206#else
2207 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2208#endif
1b6b029e
FB		 2209 } else {
2210 /* if no CLONE_VM, we consider it is a fork */
2211 if ((flags & ~CSIGNAL) != 0)
2212 return -EINVAL;
2213 ret = fork();
2214 }
2215 return ret;
2216}
2217
53a5960a 2218static long do_fcntl(int fd, int cmd, target_ulong arg)
7775e9ec
FB		 2219{
2220 struct flock fl;
53a5960a 2221 struct target_flock *target_fl;
43f238d7
TS		 2222 struct flock64 fl64;
2223 struct target_flock64 *target_fl64;
7775e9ec 2224 long ret;
53a5960a 2225
7775e9ec
FB		 2226 switch(cmd) {
2227 case TARGET_F_GETLK:
5813427b
TS		 2228 lock_user_struct(target_fl, arg, 1);
2229 fl.l_type = tswap16(target_fl->l_type);
2230 fl.l_whence = tswap16(target_fl->l_whence);
2231 fl.l_start = tswapl(target_fl->l_start);
2232 fl.l_len = tswapl(target_fl->l_len);
2233 fl.l_pid = tswapl(target_fl->l_pid);
2234 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2235 ret = fcntl(fd, cmd, &fl);
2236 if (ret == 0) {
53a5960a 2237 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2238 target_fl->l_type = tswap16(fl.l_type);
2239 target_fl->l_whence = tswap16(fl.l_whence);
2240 target_fl->l_start = tswapl(fl.l_start);
2241 target_fl->l_len = tswapl(fl.l_len);
2242 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 2243 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2244 }
2245 break;
2246
2247 case TARGET_F_SETLK:
2248 case TARGET_F_SETLKW:
53a5960a 2249 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2250 fl.l_type = tswap16(target_fl->l_type);
2251 fl.l_whence = tswap16(target_fl->l_whence);
2252 fl.l_start = tswapl(target_fl->l_start);
2253 fl.l_len = tswapl(target_fl->l_len);
2254 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 2255 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2256 ret = fcntl(fd, cmd, &fl);
2257 break;
2258
2259 case TARGET_F_GETLK64:
5813427b
TS		 2260 lock_user_struct(target_fl64, arg, 1);
2261 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2262 fl64.l_whence = tswap16(target_fl64->l_whence);
2263 fl64.l_start = tswapl(target_fl64->l_start);
2264 fl64.l_len = tswapl(target_fl64->l_len);
2265 fl64.l_pid = tswap16(target_fl64->l_pid);
2266 unlock_user_struct(target_fl64, arg, 0);
43f238d7
TS		 2267 ret = fcntl(fd, cmd >> 1, &fl64);
2268 if (ret == 0) {
2269 lock_user_struct(target_fl64, arg, 0);
2270 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2271 target_fl64->l_whence = tswap16(fl64.l_whence);
2272 target_fl64->l_start = tswapl(fl64.l_start);
2273 target_fl64->l_len = tswapl(fl64.l_len);
2274 target_fl64->l_pid = tswapl(fl64.l_pid);
2275 unlock_user_struct(target_fl64, arg, 1);
2276 }
2277 break;
7775e9ec
FB		 2278 case TARGET_F_SETLK64:
2279 case TARGET_F_SETLKW64:
43f238d7
TS		 2280 lock_user_struct(target_fl64, arg, 1);
2281 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2282 fl64.l_whence = tswap16(target_fl64->l_whence);
2283 fl64.l_start = tswapl(target_fl64->l_start);
2284 fl64.l_len = tswapl(target_fl64->l_len);
2285 fl64.l_pid = tswap16(target_fl64->l_pid);
2286 unlock_user_struct(target_fl64, arg, 0);
2287 ret = fcntl(fd, cmd >> 1, &fl64);
7775e9ec
FB		 2288 break;
2289
ffa65c3b
FB		 2290 case F_GETFL:
2291 ret = fcntl(fd, cmd, arg);
2292 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
2293 break;
2294
2295 case F_SETFL:
2296 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
2297 break;
2298
7775e9ec
FB		 2299 default:
2300 ret = fcntl(fd, cmd, arg);
2301 break;
2302 }
2303 return ret;
2304}
2305
67867308 2306#ifdef USE_UID16
7775e9ec 2307
67867308
FB		 2308static inline int high2lowuid(int uid)
2309{
2310 if (uid > 65535)
2311 return 65534;
2312 else
2313 return uid;
2314}
2315
2316static inline int high2lowgid(int gid)
2317{
2318 if (gid > 65535)
2319 return 65534;
2320 else
2321 return gid;
2322}
2323
2324static inline int low2highuid(int uid)
2325{
2326 if ((int16_t)uid == -1)
2327 return -1;
2328 else
2329 return uid;
2330}
2331
2332static inline int low2highgid(int gid)
2333{
2334 if ((int16_t)gid == -1)
2335 return -1;
2336 else
2337 return gid;
2338}
2339
2340#endif /* USE_UID16 */
1b6b029e 2341
31e31b8a
FB		 2342void syscall_init(void)
2343{
2ab83ea7
FB		 2344 IOCTLEntry *ie;
2345 const argtype *arg_type;
2346 int size;
2347
31e31b8a
FB		 2348#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
2349#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
2350#include "syscall_types.h"
2351#undef STRUCT
2352#undef STRUCT_SPECIAL
2ab83ea7
FB		 2353
2354 /* we patch the ioctl size if necessary. We rely on the fact that
2355 no ioctl has all the bits at '1' in the size field */
2356 ie = ioctl_entries;
2357 while (ie->target_cmd != 0) {
2358 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2359 TARGET_IOC_SIZEMASK) {
2360 arg_type = ie->arg_type;
2361 if (arg_type[0] != TYPE_PTR) {
2362 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2363 ie->target_cmd);
2364 exit(1);
2365 }
2366 arg_type++;
2367 size = thunk_type_size(arg_type, 0);
2368 ie->target_cmd = (ie->target_cmd &
2369 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2370 (size << TARGET_IOC_SIZESHIFT);
2371 }
2372 /* automatic consistency check if same arch */
2373#if defined(__i386__) && defined(TARGET_I386)
2374 if (ie->target_cmd != ie->host_cmd) {
2375 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
2376 ie->target_cmd, ie->host_cmd);
2377 }
2378#endif
2379 ie++;
2380 }
31e31b8a 2381}
c573ff67 2382
ce4defa0
PB		 2383static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2384{
2385#ifdef TARGET_WORDS_BIG_ENDIAN
2386 return ((uint64_t)word0 << 32) | word1;
2387#else
2388 return ((uint64_t)word1 << 32) | word0;
2389#endif
2390}
2391
2392#ifdef TARGET_NR_truncate64
2393static inline long target_truncate64(void *cpu_env, const char *arg1,
2394 long arg2, long arg3, long arg4)
2395{
2396#ifdef TARGET_ARM
2397 if (((CPUARMState *)cpu_env)->eabi)
2398 {
2399 arg2 = arg3;
2400 arg3 = arg4;
2401 }
2402#endif
2403 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
2404}
2405#endif
2406
2407#ifdef TARGET_NR_ftruncate64
2408static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
2409 long arg3, long arg4)
2410{
2411#ifdef TARGET_ARM
2412 if (((CPUARMState *)cpu_env)->eabi)
2413 {
2414 arg2 = arg3;
2415 arg3 = arg4;
2416 }
2417#endif
2418 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
2419}
2420#endif
2421
53a5960a
PB		 2422static inline void target_to_host_timespec(struct timespec *host_ts,
2423 target_ulong target_addr)
2424{
2425 struct target_timespec *target_ts;
2426
2427 lock_user_struct(target_ts, target_addr, 1);
2428 host_ts->tv_sec = tswapl(target_ts->tv_sec);
2429 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2430 unlock_user_struct(target_ts, target_addr, 0);
2431}
2432
2433static inline void host_to_target_timespec(target_ulong target_addr,
2434 struct timespec *host_ts)
2435{
2436 struct target_timespec *target_ts;
2437
2438 lock_user_struct(target_ts, target_addr, 0);
2439 target_ts->tv_sec = tswapl(host_ts->tv_sec);
2440 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2441 unlock_user_struct(target_ts, target_addr, 1);
2442}
2443
6dbad63e 2444long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 2445 long arg4, long arg5, long arg6)
2446{
2447 long ret;
2448 struct stat st;
56c8f68f 2449 struct statfs stfs;
53a5960a 2450 void *p;
31e31b8a 2451
72f03900 2452#ifdef DEBUG
c573ff67 2453 gemu_log("syscall %d", num);
72f03900 2454#endif
31e31b8a
FB		 2455 switch(num) {
2456 case TARGET_NR_exit:
7d13299d
FB		 2457#ifdef HAVE_GPROF
2458 _mcleanup();
2459#endif
e9009676 2460 gdb_exit(cpu_env, arg1);
1b6b029e 2461 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 2462 _exit(arg1);
2463 ret = 0; /* avoid warning */
2464 break;
2465 case TARGET_NR_read:
53a5960a
PB		 2466 page_unprotect_range(arg2, arg3);
2467 p = lock_user(arg2, arg3, 0);
2468 ret = get_errno(read(arg1, p, arg3));
2469 unlock_user(p, arg2, ret);
31e31b8a
FB		 2470 break;
2471 case TARGET_NR_write:
53a5960a
PB		 2472 p = lock_user(arg2, arg3, 1);
2473 ret = get_errno(write(arg1, p, arg3));
2474 unlock_user(p, arg2, 0);
31e31b8a
FB		 2475 break;
2476 case TARGET_NR_open:
53a5960a
PB		 2477 p = lock_user_string(arg1);
2478 ret = get_errno(open(path(p),
ffa65c3b
FB		 2479 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2480 arg3));
53a5960a 2481 unlock_user(p, arg1, 0);
31e31b8a
FB		 2482 break;
2483 case TARGET_NR_close:
2484 ret = get_errno(close(arg1));
2485 break;
2486 case TARGET_NR_brk:
53a5960a 2487 ret = do_brk(arg1);
31e31b8a
FB		 2488 break;
2489 case TARGET_NR_fork:
1b6b029e 2490 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a 2491 break;
e5febef5 2492#ifdef TARGET_NR_waitpid
31e31b8a
FB		 2493 case TARGET_NR_waitpid:
2494 {
53a5960a
PB		 2495 int status;
2496 ret = get_errno(waitpid(arg1, &status, arg3));
2497 if (!is_error(ret) && arg2)
2498 tput32(arg2, status);
31e31b8a
FB		 2499 }
2500 break;
e5febef5 2501#endif
7a3148a9 2502#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 2503 case TARGET_NR_creat:
53a5960a
PB		 2504 p = lock_user_string(arg1);
2505 ret = get_errno(creat(p, arg2));
2506 unlock_user(p, arg1, 0);
31e31b8a 2507 break;
7a3148a9 2508#endif
31e31b8a 2509 case TARGET_NR_link:
53a5960a
PB		 2510 {
2511 void * p2;
2512 p = lock_user_string(arg1);
2513 p2 = lock_user_string(arg2);
2514 ret = get_errno(link(p, p2));
2515 unlock_user(p2, arg2, 0);
2516 unlock_user(p, arg1, 0);
2517 }
31e31b8a
FB		 2518 break;
2519 case TARGET_NR_unlink:
53a5960a
PB		 2520 p = lock_user_string(arg1);
2521 ret = get_errno(unlink(p));
2522 unlock_user(p, arg1, 0);
31e31b8a
FB		 2523 break;
2524 case TARGET_NR_execve:
7854b056
FB		 2525 {
2526 char **argp, **envp;
f7341ff4 2527 int argc, envc;
53a5960a
PB		 2528 target_ulong gp;
2529 target_ulong guest_argp;
2530 target_ulong guest_envp;
2531 target_ulong addr;
7854b056
FB		 2532 char **q;
2533
f7341ff4 2534 argc = 0;
53a5960a
PB		 2535 guest_argp = arg2;
2536 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2537 argc++;
f7341ff4 2538 envc = 0;
53a5960a
PB		 2539 guest_envp = arg3;
2540 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2541 envc++;
2542
f7341ff4
FB		 2543 argp = alloca((argc + 1) * sizeof(void *));
2544 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2545
53a5960a
PB		 2546 for (gp = guest_argp, q = argp; ;
2547 gp += sizeof(target_ulong), q++) {
2548 addr = tgetl(gp);
2549 if (!addr)
2550 break;
2551 *q = lock_user_string(addr);
2552 }
f7341ff4
FB		 2553 *q = NULL;
2554
53a5960a
PB		 2555 for (gp = guest_envp, q = envp; ;
2556 gp += sizeof(target_ulong), q++) {
2557 addr = tgetl(gp);
2558 if (!addr)
2559 break;
2560 *q = lock_user_string(addr);
2561 }
f7341ff4 2562 *q = NULL;
7854b056 2563
53a5960a
PB		 2564 p = lock_user_string(arg1);
2565 ret = get_errno(execve(p, argp, envp));
2566 unlock_user(p, arg1, 0);
2567
2568 for (gp = guest_argp, q = argp; *q;
2569 gp += sizeof(target_ulong), q++) {
2570 addr = tgetl(gp);
2571 unlock_user(*q, addr, 0);
2572 }
2573 for (gp = guest_envp, q = envp; *q;
2574 gp += sizeof(target_ulong), q++) {
2575 addr = tgetl(gp);
2576 unlock_user(*q, addr, 0);
2577 }
7854b056 2578 }
31e31b8a
FB		 2579 break;
2580 case TARGET_NR_chdir:
53a5960a
PB		 2581 p = lock_user_string(arg1);
2582 ret = get_errno(chdir(p));
2583 unlock_user(p, arg1, 0);
31e31b8a 2584 break;
a315a145 2585#ifdef TARGET_NR_time
31e31b8a
FB		 2586 case TARGET_NR_time:
2587 {
53a5960a
PB		 2588 time_t host_time;
2589 ret = get_errno(time(&host_time));
2590 if (!is_error(ret) && arg1)
2591 tputl(arg1, host_time);
31e31b8a
FB		 2592 }
2593 break;
a315a145 2594#endif
31e31b8a 2595 case TARGET_NR_mknod:
53a5960a
PB		 2596 p = lock_user_string(arg1);
2597 ret = get_errno(mknod(p, arg2, arg3));
2598 unlock_user(p, arg1, 0);
31e31b8a
FB		 2599 break;
2600 case TARGET_NR_chmod:
53a5960a
PB		 2601 p = lock_user_string(arg1);
2602 ret = get_errno(chmod(p, arg2));
2603 unlock_user(p, arg1, 0);
31e31b8a 2604 break;
ebc05488 2605#ifdef TARGET_NR_break
31e31b8a
FB		 2606 case TARGET_NR_break:
2607 goto unimplemented;
ebc05488
FB		 2608#endif
2609#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2610 case TARGET_NR_oldstat:
2611 goto unimplemented;
ebc05488 2612#endif
31e31b8a
FB		 2613 case TARGET_NR_lseek:
2614 ret = get_errno(lseek(arg1, arg2, arg3));
2615 break;
7a3148a9
JM		 2616#ifdef TARGET_NR_getxpid
2617 case TARGET_NR_getxpid:
2618#else
31e31b8a 2619 case TARGET_NR_getpid:
7a3148a9 2620#endif
31e31b8a
FB		 2621 ret = get_errno(getpid());
2622 break;
2623 case TARGET_NR_mount:
80265918
TS		 2624 {
2625 /* need to look at the data field */
2626 void *p2, *p3;
2627 p = lock_user_string(arg1);
2628 p2 = lock_user_string(arg2);
2629 p3 = lock_user_string(arg3);
2630 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2631 unlock_user(p, arg1, 0);
2632 unlock_user(p2, arg2, 0);
2633 unlock_user(p3, arg3, 0);
2634 break;
2635 }
e5febef5 2636#ifdef TARGET_NR_umount
31e31b8a 2637 case TARGET_NR_umount:
53a5960a
PB		 2638 p = lock_user_string(arg1);
2639 ret = get_errno(umount(p));
2640 unlock_user(p, arg1, 0);
31e31b8a 2641 break;
e5febef5 2642#endif
7a3148a9 2643#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 2644 case TARGET_NR_stime:
2645 {
53a5960a
PB		 2646 time_t host_time;
2647 host_time = tgetl(arg1);
2648 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2649 }
2650 break;
7a3148a9 2651#endif
31e31b8a
FB		 2652 case TARGET_NR_ptrace:
2653 goto unimplemented;
7a3148a9 2654#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 2655 case TARGET_NR_alarm:
2656 ret = alarm(arg1);
2657 break;
7a3148a9 2658#endif
ebc05488 2659#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2660 case TARGET_NR_oldfstat:
2661 goto unimplemented;
ebc05488 2662#endif
7a3148a9 2663#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 2664 case TARGET_NR_pause:
2665 ret = get_errno(pause());
2666 break;
7a3148a9 2667#endif
e5febef5 2668#ifdef TARGET_NR_utime
31e31b8a 2669 case TARGET_NR_utime:
ebc05488 2670 {
53a5960a
PB		 2671 struct utimbuf tbuf, *host_tbuf;
2672 struct target_utimbuf *target_tbuf;
2673 if (arg2) {
2674 lock_user_struct(target_tbuf, arg2, 1);
2675 tbuf.actime = tswapl(target_tbuf->actime);
2676 tbuf.modtime = tswapl(target_tbuf->modtime);
2677 unlock_user_struct(target_tbuf, arg2, 0);
2678 host_tbuf = &tbuf;
f72e8ff4 2679 } else {
53a5960a 2680 host_tbuf = NULL;
f72e8ff4 2681 }
53a5960a
PB		 2682 p = lock_user_string(arg1);
2683 ret = get_errno(utime(p, host_tbuf));
2684 unlock_user(p, arg1, 0);
ebc05488
FB		 2685 }
2686 break;
e5febef5 2687#endif
978a66ff
FB		 2688 case TARGET_NR_utimes:
2689 {
978a66ff 2690 struct timeval *tvp, tv[2];
53a5960a
PB		 2691 if (arg2) {
2692 target_to_host_timeval(&tv[0], arg2);
2693 target_to_host_timeval(&tv[1],
2694 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2695 tvp = tv;
2696 } else {
2697 tvp = NULL;
2698 }
53a5960a
PB		 2699 p = lock_user_string(arg1);
2700 ret = get_errno(utimes(p, tvp));
2701 unlock_user(p, arg1, 0);
978a66ff
FB		 2702 }
2703 break;
ebc05488 2704#ifdef TARGET_NR_stty
31e31b8a
FB		 2705 case TARGET_NR_stty:
2706 goto unimplemented;
ebc05488
FB		 2707#endif
2708#ifdef TARGET_NR_gtty
31e31b8a
FB		 2709 case TARGET_NR_gtty:
2710 goto unimplemented;
ebc05488 2711#endif
31e31b8a 2712 case TARGET_NR_access:
53a5960a
PB		 2713 p = lock_user_string(arg1);
2714 ret = get_errno(access(p, arg2));
2715 unlock_user(p, arg1, 0);
31e31b8a 2716 break;
7a3148a9 2717#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 2718 case TARGET_NR_nice:
2719 ret = get_errno(nice(arg1));
2720 break;
7a3148a9 2721#endif
ebc05488 2722#ifdef TARGET_NR_ftime
31e31b8a
FB		 2723 case TARGET_NR_ftime:
2724 goto unimplemented;
ebc05488 2725#endif
31e31b8a 2726 case TARGET_NR_sync:
04369ff2
FB		 2727 sync();
2728 ret = 0;
31e31b8a
FB		 2729 break;
2730 case TARGET_NR_kill:
2731 ret = get_errno(kill(arg1, arg2));
2732 break;
2733 case TARGET_NR_rename:
53a5960a
PB		 2734 {
2735 void *p2;
2736 p = lock_user_string(arg1);
2737 p2 = lock_user_string(arg2);
2738 ret = get_errno(rename(p, p2));
2739 unlock_user(p2, arg2, 0);
2740 unlock_user(p, arg1, 0);
2741 }
31e31b8a
FB		 2742 break;
2743 case TARGET_NR_mkdir:
53a5960a
PB		 2744 p = lock_user_string(arg1);
2745 ret = get_errno(mkdir(p, arg2));
2746 unlock_user(p, arg1, 0);
31e31b8a
FB		 2747 break;
2748 case TARGET_NR_rmdir:
53a5960a
PB		 2749 p = lock_user_string(arg1);
2750 ret = get_errno(rmdir(p));
2751 unlock_user(p, arg1, 0);
31e31b8a
FB		 2752 break;
2753 case TARGET_NR_dup:
2754 ret = get_errno(dup(arg1));
2755 break;
2756 case TARGET_NR_pipe:
2757 {
53a5960a
PB		 2758 int host_pipe[2];
2759 ret = get_errno(pipe(host_pipe));
31e31b8a 2760 if (!is_error(ret)) {
c12ab05c
TS		 2761#if defined(TARGET_MIPS)
2762 ((CPUMIPSState*)cpu_env)->gpr[3] = host_pipe[1];
2763 ret = host_pipe[0];
2764#else
53a5960a
PB		 2765 tput32(arg1, host_pipe[0]);
2766 tput32(arg1 + 4, host_pipe[1]);
c12ab05c 2767#endif
31e31b8a
FB		 2768 }
2769 }
2770 break;
2771 case TARGET_NR_times:
32f36bce 2772 {
53a5960a 2773 struct target_tms *tmsp;
32f36bce
FB		 2774 struct tms tms;
2775 ret = get_errno(times(&tms));
53a5960a
PB		 2776 if (arg1) {
2777 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 2778 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2779 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2780 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2781 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 2782 }
c596ed17
FB		 2783 if (!is_error(ret))
2784 ret = host_to_target_clock_t(ret);
32f36bce
FB		 2785 }
2786 break;
ebc05488 2787#ifdef TARGET_NR_prof
31e31b8a
FB		 2788 case TARGET_NR_prof:
2789 goto unimplemented;
ebc05488 2790#endif
e5febef5 2791#ifdef TARGET_NR_signal
31e31b8a
FB		 2792 case TARGET_NR_signal:
2793 goto unimplemented;
e5febef5 2794#endif
31e31b8a 2795 case TARGET_NR_acct:
24836689
PB		 2796 p = lock_user_string(arg1);
2797 ret = get_errno(acct(path(p)));
2798 unlock_user(p, arg1, 0);
2799 break;
7a3148a9 2800#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 2801 case TARGET_NR_umount2:
53a5960a
PB		 2802 p = lock_user_string(arg1);
2803 ret = get_errno(umount2(p, arg2));
2804 unlock_user(p, arg1, 0);
31e31b8a 2805 break;
7a3148a9 2806#endif
ebc05488 2807#ifdef TARGET_NR_lock
31e31b8a
FB		 2808 case TARGET_NR_lock:
2809 goto unimplemented;
ebc05488 2810#endif
31e31b8a
FB		 2811 case TARGET_NR_ioctl:
2812 ret = do_ioctl(arg1, arg2, arg3);
2813 break;
2814 case TARGET_NR_fcntl:
7775e9ec 2815 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 2816 break;
ebc05488 2817#ifdef TARGET_NR_mpx
31e31b8a
FB		 2818 case TARGET_NR_mpx:
2819 goto unimplemented;
ebc05488 2820#endif
31e31b8a
FB		 2821 case TARGET_NR_setpgid:
2822 ret = get_errno(setpgid(arg1, arg2));
2823 break;
ebc05488 2824#ifdef TARGET_NR_ulimit
31e31b8a
FB		 2825 case TARGET_NR_ulimit:
2826 goto unimplemented;
ebc05488
FB		 2827#endif
2828#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 2829 case TARGET_NR_oldolduname:
2830 goto unimplemented;
ebc05488 2831#endif
31e31b8a
FB		 2832 case TARGET_NR_umask:
2833 ret = get_errno(umask(arg1));
2834 break;
2835 case TARGET_NR_chroot:
53a5960a
PB		 2836 p = lock_user_string(arg1);
2837 ret = get_errno(chroot(p));
2838 unlock_user(p, arg1, 0);
31e31b8a
FB		 2839 break;
2840 case TARGET_NR_ustat:
2841 goto unimplemented;
2842 case TARGET_NR_dup2:
2843 ret = get_errno(dup2(arg1, arg2));
2844 break;
7a3148a9 2845#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 2846 case TARGET_NR_getppid:
2847 ret = get_errno(getppid());
2848 break;
7a3148a9 2849#endif
31e31b8a
FB		 2850 case TARGET_NR_getpgrp:
2851 ret = get_errno(getpgrp());
2852 break;
2853 case TARGET_NR_setsid:
2854 ret = get_errno(setsid());
2855 break;
e5febef5 2856#ifdef TARGET_NR_sigaction
31e31b8a 2857 case TARGET_NR_sigaction:
31e31b8a 2858 {
388bb21a 2859#if !defined(TARGET_MIPS)
53a5960a 2860 struct target_old_sigaction *old_act;
66fb9763 2861 struct target_sigaction act, oact, *pact;
53a5960a
PB		 2862 if (arg2) {
2863 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 2864 act._sa_handler = old_act->_sa_handler;
2865 target_siginitset(&act.sa_mask, old_act->sa_mask);
2866 act.sa_flags = old_act->sa_flags;
2867 act.sa_restorer = old_act->sa_restorer;
53a5960a 2868 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 2869 pact = &act;
2870 } else {
2871 pact = NULL;
2872 }
2873 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 2874 if (!is_error(ret) && arg3) {
2875 lock_user_struct(old_act, arg3, 0);
2876 old_act->_sa_handler = oact._sa_handler;
2877 old_act->sa_mask = oact.sa_mask.sig[0];
2878 old_act->sa_flags = oact.sa_flags;
2879 old_act->sa_restorer = oact.sa_restorer;
2880 unlock_user_struct(old_act, arg3, 1);
66fb9763 2881 }
388bb21a 2882#else
106ec879
FB		 2883 struct target_sigaction act, oact, *pact, *old_act;
2884
2885 if (arg2) {
2886 lock_user_struct(old_act, arg2, 1);
2887 act._sa_handler = old_act->_sa_handler;
2888 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
2889 act.sa_flags = old_act->sa_flags;
2890 unlock_user_struct(old_act, arg2, 0);
2891 pact = &act;
2892 } else {
2893 pact = NULL;
2894 }
2895
2896 ret = get_errno(do_sigaction(arg1, pact, &oact));
2897
2898 if (!is_error(ret) && arg3) {
2899 lock_user_struct(old_act, arg3, 0);
2900 old_act->_sa_handler = oact._sa_handler;
2901 old_act->sa_flags = oact.sa_flags;
2902 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
2903 old_act->sa_mask.sig[1] = 0;
2904 old_act->sa_mask.sig[2] = 0;
2905 old_act->sa_mask.sig[3] = 0;
2906 unlock_user_struct(old_act, arg3, 1);
2907 }
388bb21a 2908#endif
31e31b8a
FB		 2909 }
2910 break;
e5febef5 2911#endif
66fb9763 2912 case TARGET_NR_rt_sigaction:
53a5960a
PB		 2913 {
2914 struct target_sigaction *act;
2915 struct target_sigaction *oact;
2916
2917 if (arg2)
2918 lock_user_struct(act, arg2, 1);
2919 else
2920 act = NULL;
2921 if (arg3)
2922 lock_user_struct(oact, arg3, 0);
2923 else
2924 oact = NULL;
2925 ret = get_errno(do_sigaction(arg1, act, oact));
2926 if (arg2)
2927 unlock_user_struct(act, arg2, 0);
2928 if (arg3)
2929 unlock_user_struct(oact, arg3, 1);
2930 }
66fb9763 2931 break;
7a3148a9 2932#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 2933 case TARGET_NR_sgetmask:
66fb9763
FB		 2934 {
2935 sigset_t cur_set;
2936 target_ulong target_set;
2937 sigprocmask(0, NULL, &cur_set);
2938 host_to_target_old_sigset(&target_set, &cur_set);
2939 ret = target_set;
2940 }
2941 break;
7a3148a9
JM		 2942#endif
2943#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 2944 case TARGET_NR_ssetmask:
66fb9763
FB		 2945 {
2946 sigset_t set, oset, cur_set;
2947 target_ulong target_set = arg1;
2948 sigprocmask(0, NULL, &cur_set);
2949 target_to_host_old_sigset(&set, &target_set);
2950 sigorset(&set, &set, &cur_set);
2951 sigprocmask(SIG_SETMASK, &set, &oset);
2952 host_to_target_old_sigset(&target_set, &oset);
2953 ret = target_set;
2954 }
2955 break;
7a3148a9 2956#endif
e5febef5 2957#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 2958 case TARGET_NR_sigprocmask:
2959 {
2960 int how = arg1;
2961 sigset_t set, oldset, *set_ptr;
66fb9763 2962
53a5960a 2963 if (arg2) {
66fb9763
FB		 2964 switch(how) {
2965 case TARGET_SIG_BLOCK:
2966 how = SIG_BLOCK;
2967 break;
2968 case TARGET_SIG_UNBLOCK:
2969 how = SIG_UNBLOCK;
2970 break;
2971 case TARGET_SIG_SETMASK:
2972 how = SIG_SETMASK;
2973 break;
2974 default:
2975 ret = -EINVAL;
2976 goto fail;
2977 }
53a5960a
PB		 2978 p = lock_user(arg2, sizeof(target_sigset_t), 1);
2979 target_to_host_old_sigset(&set, p);
2980 unlock_user(p, arg2, 0);
66fb9763
FB		 2981 set_ptr = &set;
2982 } else {
2983 how = 0;
2984 set_ptr = NULL;
2985 }
2986 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 2987 if (!is_error(ret) && arg3) {
2988 p = lock_user(arg3, sizeof(target_sigset_t), 0);
2989 host_to_target_old_sigset(p, &oldset);
2990 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 2991 }
2992 }
2993 break;
e5febef5 2994#endif
66fb9763
FB		 2995 case TARGET_NR_rt_sigprocmask:
2996 {
2997 int how = arg1;
2998 sigset_t set, oldset, *set_ptr;
66fb9763 2999
53a5960a 3000 if (arg2) {
66fb9763
FB		 3001 switch(how) {
3002 case TARGET_SIG_BLOCK:
3003 how = SIG_BLOCK;
3004 break;
3005 case TARGET_SIG_UNBLOCK:
3006 how = SIG_UNBLOCK;
3007 break;
3008 case TARGET_SIG_SETMASK:
3009 how = SIG_SETMASK;
3010 break;
3011 default:
3012 ret = -EINVAL;
3013 goto fail;
3014 }
53a5960a
PB		 3015 p = lock_user(arg2, sizeof(target_sigset_t), 1);
3016 target_to_host_sigset(&set, p);
3017 unlock_user(p, arg2, 0);
66fb9763
FB		 3018 set_ptr = &set;
3019 } else {
3020 how = 0;
3021 set_ptr = NULL;
3022 }
3023 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 3024 if (!is_error(ret) && arg3) {
3025 p = lock_user(arg3, sizeof(target_sigset_t), 0);
3026 host_to_target_sigset(p, &oldset);
3027 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 3028 }
3029 }
3030 break;
e5febef5 3031#ifdef TARGET_NR_sigpending
66fb9763
FB		 3032 case TARGET_NR_sigpending:
3033 {
3034 sigset_t set;
3035 ret = get_errno(sigpending(&set));
3036 if (!is_error(ret)) {
53a5960a
PB		 3037 p = lock_user(arg1, sizeof(target_sigset_t), 0);
3038 host_to_target_old_sigset(p, &set);
3039 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 3040 }
3041 }
3042 break;
e5febef5 3043#endif
66fb9763
FB		 3044 case TARGET_NR_rt_sigpending:
3045 {
3046 sigset_t set;
3047 ret = get_errno(sigpending(&set));
3048 if (!is_error(ret)) {
53a5960a
PB		 3049 p = lock_user(arg1, sizeof(target_sigset_t), 0);
3050 host_to_target_sigset(p, &set);
3051 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 3052 }
3053 }
3054 break;
e5febef5 3055#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 3056 case TARGET_NR_sigsuspend:
3057 {
3058 sigset_t set;
53a5960a
PB		 3059 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3060 target_to_host_old_sigset(&set, p);
3061 unlock_user(p, arg1, 0);
66fb9763
FB		 3062 ret = get_errno(sigsuspend(&set));
3063 }
3064 break;
e5febef5 3065#endif
66fb9763
FB		 3066 case TARGET_NR_rt_sigsuspend:
3067 {
3068 sigset_t set;
53a5960a
PB		 3069 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3070 target_to_host_sigset(&set, p);
3071 unlock_user(p, arg1, 0);
66fb9763
FB		 3072 ret = get_errno(sigsuspend(&set));
3073 }
3074 break;
3075 case TARGET_NR_rt_sigtimedwait:
3076 {
66fb9763
FB		 3077 sigset_t set;
3078 struct timespec uts, *puts;
3079 siginfo_t uinfo;
3080
53a5960a
PB		 3081 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3082 target_to_host_sigset(&set, p);
3083 unlock_user(p, arg1, 0);
3084 if (arg3) {
66fb9763 3085 puts = &uts;
53a5960a 3086 target_to_host_timespec(puts, arg3);
66fb9763
FB		 3087 } else {
3088 puts = NULL;
3089 }
3090 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 3091 if (!is_error(ret) && arg2) {
3092 p = lock_user(arg2, sizeof(target_sigset_t), 0);
3093 host_to_target_siginfo(p, &uinfo);
3094 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 3095 }
3096 }
3097 break;
3098 case TARGET_NR_rt_sigqueueinfo:
3099 {
3100 siginfo_t uinfo;
53a5960a
PB		 3101 p = lock_user(arg3, sizeof(target_sigset_t), 1);
3102 target_to_host_siginfo(&uinfo, p);
3103 unlock_user(p, arg1, 0);
66fb9763
FB		 3104 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
3105 }
3106 break;
e5febef5 3107#ifdef TARGET_NR_sigreturn
66fb9763
FB		 3108 case TARGET_NR_sigreturn:
3109 /* NOTE: ret is eax, so not transcoding must be done */
3110 ret = do_sigreturn(cpu_env);
3111 break;
e5febef5 3112#endif
66fb9763
FB		 3113 case TARGET_NR_rt_sigreturn:
3114 /* NOTE: ret is eax, so not transcoding must be done */
3115 ret = do_rt_sigreturn(cpu_env);
3116 break;
31e31b8a 3117 case TARGET_NR_sethostname:
53a5960a
PB		 3118 p = lock_user_string(arg1);
3119 ret = get_errno(sethostname(p, arg2));
3120 unlock_user(p, arg1, 0);
31e31b8a
FB		 3121 break;
3122 case TARGET_NR_setrlimit:
9de5e440
FB		 3123 {
3124 /* XXX: convert resource ? */
3125 int resource = arg1;
53a5960a 3126 struct target_rlimit *target_rlim;
9de5e440 3127 struct rlimit rlim;
53a5960a 3128 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3129 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3130 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 3131 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 3132 ret = get_errno(setrlimit(resource, &rlim));
3133 }
3134 break;
31e31b8a 3135 case TARGET_NR_getrlimit:
9de5e440
FB		 3136 {
3137 /* XXX: convert resource ? */
3138 int resource = arg1;
53a5960a 3139 struct target_rlimit *target_rlim;
9de5e440
FB		 3140 struct rlimit rlim;
3141
3142 ret = get_errno(getrlimit(resource, &rlim));
3143 if (!is_error(ret)) {
53a5960a
PB		 3144 lock_user_struct(target_rlim, arg2, 0);
3145 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3146 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3147 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3148 }
3149 }
3150 break;
31e31b8a 3151 case TARGET_NR_getrusage:
b409186b
FB		 3152 {
3153 struct rusage rusage;
b409186b
FB		 3154 ret = get_errno(getrusage(arg1, &rusage));
3155 if (!is_error(ret)) {
53a5960a 3156 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 3157 }
3158 }
3159 break;
31e31b8a
FB		 3160 case TARGET_NR_gettimeofday:
3161 {
31e31b8a
FB		 3162 struct timeval tv;
3163 ret = get_errno(gettimeofday(&tv, NULL));
3164 if (!is_error(ret)) {
53a5960a 3165 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 3166 }
3167 }
3168 break;
3169 case TARGET_NR_settimeofday:
3170 {
31e31b8a 3171 struct timeval tv;
53a5960a 3172 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 3173 ret = get_errno(settimeofday(&tv, NULL));
3174 }
3175 break;
048f6b4d 3176#ifdef TARGET_NR_select
31e31b8a 3177 case TARGET_NR_select:
f2674e31 3178 {
53a5960a
PB		 3179 struct target_sel_arg_struct *sel;
3180 target_ulong inp, outp, exp, tvp;
3181 long nsel;
3182
3183 lock_user_struct(sel, arg1, 1);
3184 nsel = tswapl(sel->n);
3185 inp = tswapl(sel->inp);
3186 outp = tswapl(sel->outp);
3187 exp = tswapl(sel->exp);
3188 tvp = tswapl(sel->tvp);
3189 unlock_user_struct(sel, arg1, 0);
3190 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 3191 }
3192 break;
048f6b4d 3193#endif
31e31b8a 3194 case TARGET_NR_symlink:
53a5960a
PB		 3195 {
3196 void *p2;
3197 p = lock_user_string(arg1);
3198 p2 = lock_user_string(arg2);
3199 ret = get_errno(symlink(p, p2));
3200 unlock_user(p2, arg2, 0);
3201 unlock_user(p, arg1, 0);
3202 }
31e31b8a 3203 break;
ebc05488 3204#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 3205 case TARGET_NR_oldlstat:
3206 goto unimplemented;
ebc05488 3207#endif
31e31b8a 3208 case TARGET_NR_readlink:
53a5960a
PB		 3209 {
3210 void *p2;
3211 p = lock_user_string(arg1);
3212 p2 = lock_user(arg2, arg3, 0);
3213 ret = get_errno(readlink(path(p), p2, arg3));
3214 unlock_user(p2, arg2, ret);
3215 unlock_user(p, arg1, 0);
3216 }
31e31b8a 3217 break;
e5febef5 3218#ifdef TARGET_NR_uselib
31e31b8a
FB		 3219 case TARGET_NR_uselib:
3220 goto unimplemented;
e5febef5
TS		 3221#endif
3222#ifdef TARGET_NR_swapon
31e31b8a 3223 case TARGET_NR_swapon:
53a5960a
PB		 3224 p = lock_user_string(arg1);
3225 ret = get_errno(swapon(p, arg2));
3226 unlock_user(p, arg1, 0);
31e31b8a 3227 break;
e5febef5 3228#endif
31e31b8a
FB		 3229 case TARGET_NR_reboot:
3230 goto unimplemented;
e5febef5 3231#ifdef TARGET_NR_readdir
31e31b8a
FB		 3232 case TARGET_NR_readdir:
3233 goto unimplemented;
e5febef5
TS		 3234#endif
3235#ifdef TARGET_NR_mmap
31e31b8a 3236 case TARGET_NR_mmap:
e6e5906b 3237#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
31e31b8a 3238 {
53a5960a
PB		 3239 target_ulong *v;
3240 target_ulong v1, v2, v3, v4, v5, v6;
3241 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
3242 v1 = tswapl(v[0]);
3243 v2 = tswapl(v[1]);
3244 v3 = tswapl(v[2]);
3245 v4 = tswapl(v[3]);
3246 v5 = tswapl(v[4]);
3247 v6 = tswapl(v[5]);
3248 unlock_user(v, arg1, 0);
5286db75
FB		 3249 ret = get_errno(target_mmap(v1, v2, v3,
3250 target_to_host_bitmask(v4, mmap_flags_tbl),
3251 v5, v6));
31e31b8a 3252 }
31e31b8a 3253#else
6fb883e8
FB		 3254 ret = get_errno(target_mmap(arg1, arg2, arg3,
3255 target_to_host_bitmask(arg4, mmap_flags_tbl),
3256 arg5,
3257 arg6));
31e31b8a 3258#endif
6fb883e8 3259 break;
e5febef5 3260#endif
a315a145 3261#ifdef TARGET_NR_mmap2
6fb883e8 3262 case TARGET_NR_mmap2:
0d3267a7 3263#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 3264#define MMAP_SHIFT 12
3265#else
3266#define MMAP_SHIFT TARGET_PAGE_BITS
3267#endif
5286db75
FB		 3268 ret = get_errno(target_mmap(arg1, arg2, arg3,
3269 target_to_host_bitmask(arg4, mmap_flags_tbl),
3270 arg5,
c573ff67 3271 arg6 << MMAP_SHIFT));
31e31b8a 3272 break;
a315a145 3273#endif
31e31b8a 3274 case TARGET_NR_munmap:
54936004 3275 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 3276 break;
9de5e440 3277 case TARGET_NR_mprotect:
54936004 3278 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 3279 break;
e5febef5 3280#ifdef TARGET_NR_mremap
9de5e440 3281 case TARGET_NR_mremap:
54936004 3282 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 3283 break;
e5febef5 3284#endif
53a5960a 3285 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 3286#ifdef TARGET_NR_msync
9de5e440 3287 case TARGET_NR_msync:
53a5960a 3288 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 3289 break;
e5febef5
TS		 3290#endif
3291#ifdef TARGET_NR_mlock
9de5e440 3292 case TARGET_NR_mlock:
53a5960a 3293 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 3294 break;
e5febef5
TS		 3295#endif
3296#ifdef TARGET_NR_munlock
9de5e440 3297 case TARGET_NR_munlock:
53a5960a 3298 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 3299 break;
e5febef5
TS		 3300#endif
3301#ifdef TARGET_NR_mlockall
9de5e440
FB		 3302 case TARGET_NR_mlockall:
3303 ret = get_errno(mlockall(arg1));
3304 break;
e5febef5
TS		 3305#endif
3306#ifdef TARGET_NR_munlockall
9de5e440
FB		 3307 case TARGET_NR_munlockall:
3308 ret = get_errno(munlockall());
3309 break;
e5febef5 3310#endif
31e31b8a 3311 case TARGET_NR_truncate:
53a5960a
PB		 3312 p = lock_user_string(arg1);
3313 ret = get_errno(truncate(p, arg2));
3314 unlock_user(p, arg1, 0);
31e31b8a
FB		 3315 break;
3316 case TARGET_NR_ftruncate:
3317 ret = get_errno(ftruncate(arg1, arg2));
3318 break;
3319 case TARGET_NR_fchmod:
3320 ret = get_errno(fchmod(arg1, arg2));
3321 break;
31e31b8a
FB		 3322 case TARGET_NR_getpriority:
3323 ret = get_errno(getpriority(arg1, arg2));
3324 break;
3325 case TARGET_NR_setpriority:
3326 ret = get_errno(setpriority(arg1, arg2, arg3));
3327 break;
ebc05488 3328#ifdef TARGET_NR_profil
31e31b8a
FB		 3329 case TARGET_NR_profil:
3330 goto unimplemented;
ebc05488 3331#endif
31e31b8a 3332 case TARGET_NR_statfs:
53a5960a
PB		 3333 p = lock_user_string(arg1);
3334 ret = get_errno(statfs(path(p), &stfs));
3335 unlock_user(p, arg1, 0);
31e31b8a
FB		 3336 convert_statfs:
3337 if (!is_error(ret)) {
53a5960a 3338 struct target_statfs *target_stfs;
56c8f68f 3339
53a5960a
PB		 3340 lock_user_struct(target_stfs, arg2, 0);
3341 /* ??? put_user is probably wrong. */
56c8f68f
FB		 3342 put_user(stfs.f_type, &target_stfs->f_type);
3343 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3344 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3345 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3346 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3347 put_user(stfs.f_files, &target_stfs->f_files);
3348 put_user(stfs.f_ffree, &target_stfs->f_ffree);
3349 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3350 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 3351 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 3352 }
3353 break;
3354 case TARGET_NR_fstatfs:
56c8f68f 3355 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 3356 goto convert_statfs;
56c8f68f
FB		 3357#ifdef TARGET_NR_statfs64
3358 case TARGET_NR_statfs64:
53a5960a
PB		 3359 p = lock_user_string(arg1);
3360 ret = get_errno(statfs(path(p), &stfs));
3361 unlock_user(p, arg1, 0);
56c8f68f
FB		 3362 convert_statfs64:
3363 if (!is_error(ret)) {
53a5960a
PB		 3364 struct target_statfs64 *target_stfs;
3365
3366 lock_user_struct(target_stfs, arg3, 0);
3367 /* ??? put_user is probably wrong. */
56c8f68f
FB		 3368 put_user(stfs.f_type, &target_stfs->f_type);
3369 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3370 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3371 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3372 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3373 put_user(stfs.f_files, &target_stfs->f_files);
3374 put_user(stfs.f_ffree, &target_stfs->f_ffree);
3375 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid);
3376 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 3377 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 3378 }
3379 break;
3380 case TARGET_NR_fstatfs64:
3381 ret = get_errno(fstatfs(arg1, &stfs));
3382 goto convert_statfs64;
3383#endif
ebc05488 3384#ifdef TARGET_NR_ioperm
31e31b8a
FB		 3385 case TARGET_NR_ioperm:
3386 goto unimplemented;
ebc05488 3387#endif
e5febef5 3388#ifdef TARGET_NR_socketcall
31e31b8a 3389 case TARGET_NR_socketcall:
53a5960a 3390 ret = do_socketcall(arg1, arg2);
31e31b8a 3391 break;
e5febef5 3392#endif
3532fa74
FB		 3393#ifdef TARGET_NR_accept
3394 case TARGET_NR_accept:
1be9e1dc 3395 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 3396 break;
3397#endif
3398#ifdef TARGET_NR_bind
3399 case TARGET_NR_bind:
3400 ret = do_bind(arg1, arg2, arg3);
3401 break;
3402#endif
3403#ifdef TARGET_NR_connect
3404 case TARGET_NR_connect:
3405 ret = do_connect(arg1, arg2, arg3);
3406 break;
3407#endif
3408#ifdef TARGET_NR_getpeername
3409 case TARGET_NR_getpeername:
1be9e1dc 3410 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 3411 break;
3412#endif
3413#ifdef TARGET_NR_getsockname
3414 case TARGET_NR_getsockname:
1be9e1dc 3415 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 3416 break;
3417#endif
3418#ifdef TARGET_NR_getsockopt
3419 case TARGET_NR_getsockopt:
3420 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
3421 break;
3422#endif
3423#ifdef TARGET_NR_listen
3424 case TARGET_NR_listen:
1be9e1dc 3425 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 3426 break;
3427#endif
3428#ifdef TARGET_NR_recv
3429 case TARGET_NR_recv:
214201bd 3430 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3431 break;
3432#endif
3433#ifdef TARGET_NR_recvfrom
3434 case TARGET_NR_recvfrom:
214201bd 3435 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3436 break;
3437#endif
3438#ifdef TARGET_NR_recvmsg
3439 case TARGET_NR_recvmsg:
3440 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3441 break;
3442#endif
3443#ifdef TARGET_NR_send
3444 case TARGET_NR_send:
1be9e1dc 3445 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3446 break;
3447#endif
3448#ifdef TARGET_NR_sendmsg
3449 case TARGET_NR_sendmsg:
3450 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3451 break;
3452#endif
3453#ifdef TARGET_NR_sendto
3454 case TARGET_NR_sendto:
1be9e1dc 3455 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3456 break;
3457#endif
3458#ifdef TARGET_NR_shutdown
3459 case TARGET_NR_shutdown:
1be9e1dc 3460 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 3461 break;
3462#endif
3463#ifdef TARGET_NR_socket
3464 case TARGET_NR_socket:
3465 ret = do_socket(arg1, arg2, arg3);
3466 break;
3467#endif
3468#ifdef TARGET_NR_socketpair
3469 case TARGET_NR_socketpair:
1be9e1dc 3470 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 3471 break;
3472#endif
3473#ifdef TARGET_NR_setsockopt
3474 case TARGET_NR_setsockopt:
3475 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3476 break;
3477#endif
7494b0f9 3478
31e31b8a 3479 case TARGET_NR_syslog:
e5574487
TS		 3480 p = lock_user_string(arg2);
3481 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3482 unlock_user(p, arg2, 0);
7494b0f9
TS		 3483 break;
3484
31e31b8a 3485 case TARGET_NR_setitimer:
66fb9763 3486 {
66fb9763
FB		 3487 struct itimerval value, ovalue, *pvalue;
3488
53a5960a 3489 if (arg2) {
66fb9763
FB		 3490 pvalue = &value;
3491 target_to_host_timeval(&pvalue->it_interval,
53a5960a 3492 arg2);
66fb9763 3493 target_to_host_timeval(&pvalue->it_value,
53a5960a 3494 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 3495 } else {
3496 pvalue = NULL;
3497 }
3498 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 3499 if (!is_error(ret) && arg3) {
3500 host_to_target_timeval(arg3,
66fb9763 3501 &ovalue.it_interval);
53a5960a 3502 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 3503 &ovalue.it_value);
3504 }
3505 }
3506 break;
31e31b8a 3507 case TARGET_NR_getitimer:
66fb9763 3508 {
66fb9763
FB		 3509 struct itimerval value;
3510
3511 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 3512 if (!is_error(ret) && arg2) {
3513 host_to_target_timeval(arg2,
66fb9763 3514 &value.it_interval);
53a5960a 3515 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 3516 &value.it_value);
3517 }
3518 }
3519 break;
31e31b8a 3520 case TARGET_NR_stat:
53a5960a
PB		 3521 p = lock_user_string(arg1);
3522 ret = get_errno(stat(path(p), &st));
3523 unlock_user(p, arg1, 0);
31e31b8a
FB		 3524 goto do_stat;
3525 case TARGET_NR_lstat:
53a5960a
PB		 3526 p = lock_user_string(arg1);
3527 ret = get_errno(lstat(path(p), &st));
3528 unlock_user(p, arg1, 0);
31e31b8a
FB		 3529 goto do_stat;
3530 case TARGET_NR_fstat:
3531 {
3532 ret = get_errno(fstat(arg1, &st));
3533 do_stat:
3534 if (!is_error(ret)) {
53a5960a 3535 struct target_stat *target_st;
e3584658 3536
53a5960a 3537 lock_user_struct(target_st, arg2, 0);
e3584658
TS		 3538#if defined(TARGET_MIPS)
3539 target_st->st_dev = tswap32(st.st_dev);
3540#else
31e31b8a 3541 target_st->st_dev = tswap16(st.st_dev);
e3584658 3542#endif
31e31b8a 3543 target_st->st_ino = tswapl(st.st_ino);
7d600c80 3544#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 3545 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3546 target_st->st_uid = tswap32(st.st_uid);
3547 target_st->st_gid = tswap32(st.st_gid);
3548#else
ec86b0fb 3549 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 3550 target_st->st_uid = tswap16(st.st_uid);
3551 target_st->st_gid = tswap16(st.st_gid);
67867308 3552#endif
e3584658
TS		 3553#if defined(TARGET_MIPS)
3554 /* If this is the same on PPC, then just merge w/ the above ifdef */
3555 target_st->st_nlink = tswapl(st.st_nlink);
3556 target_st->st_rdev = tswapl(st.st_rdev);
3557#else
67867308 3558 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a 3559 target_st->st_rdev = tswap16(st.st_rdev);
e3584658 3560#endif
31e31b8a
FB		 3561 target_st->st_size = tswapl(st.st_size);
3562 target_st->st_blksize = tswapl(st.st_blksize);
3563 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 3564 target_st->target_st_atime = tswapl(st.st_atime);
3565 target_st->target_st_mtime = tswapl(st.st_mtime);
3566 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 3567 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 3568 }
3569 }
3570 break;
ebc05488 3571#ifdef TARGET_NR_olduname
31e31b8a
FB		 3572 case TARGET_NR_olduname:
3573 goto unimplemented;
ebc05488
FB		 3574#endif
3575#ifdef TARGET_NR_iopl
31e31b8a
FB		 3576 case TARGET_NR_iopl:
3577 goto unimplemented;
ebc05488 3578#endif
31e31b8a
FB		 3579 case TARGET_NR_vhangup:
3580 ret = get_errno(vhangup());
3581 break;
ebc05488 3582#ifdef TARGET_NR_idle
31e31b8a
FB		 3583 case TARGET_NR_idle:
3584 goto unimplemented;
42ad6ae9
FB		 3585#endif
3586#ifdef TARGET_NR_syscall
3587 case TARGET_NR_syscall:
3588 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3589 break;
ebc05488 3590#endif
31e31b8a
FB		 3591 case TARGET_NR_wait4:
3592 {
3593 int status;
53a5960a 3594 target_long status_ptr = arg2;
31e31b8a 3595 struct rusage rusage, *rusage_ptr;
53a5960a 3596 target_ulong target_rusage = arg4;
31e31b8a
FB		 3597 if (target_rusage)
3598 rusage_ptr = &rusage;
3599 else
3600 rusage_ptr = NULL;
3601 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3602 if (!is_error(ret)) {
3603 if (status_ptr)
53a5960a 3604 tputl(status_ptr, status);
31e31b8a 3605 if (target_rusage) {
b409186b 3606 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 3607 }
3608 }
3609 }
3610 break;
e5febef5 3611#ifdef TARGET_NR_swapoff
31e31b8a 3612 case TARGET_NR_swapoff:
53a5960a
PB		 3613 p = lock_user_string(arg1);
3614 ret = get_errno(swapoff(p));
3615 unlock_user(p, arg1, 0);
31e31b8a 3616 break;
e5febef5 3617#endif
31e31b8a 3618 case TARGET_NR_sysinfo:
a5448a7d 3619 {
53a5960a 3620 struct target_sysinfo *target_value;
a5448a7d
FB		 3621 struct sysinfo value;
3622 ret = get_errno(sysinfo(&value));
53a5960a 3623 if (!is_error(ret) && arg1)
a5448a7d 3624 {
53a5960a
PB		 3625 /* ??? __put_user is probably wrong. */
3626 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3627 __put_user(value.uptime, &target_value->uptime);
3628 __put_user(value.loads[0], &target_value->loads[0]);
3629 __put_user(value.loads[1], &target_value->loads[1]);
3630 __put_user(value.loads[2], &target_value->loads[2]);
3631 __put_user(value.totalram, &target_value->totalram);
3632 __put_user(value.freeram, &target_value->freeram);
3633 __put_user(value.sharedram, &target_value->sharedram);
3634 __put_user(value.bufferram, &target_value->bufferram);
3635 __put_user(value.totalswap, &target_value->totalswap);
3636 __put_user(value.freeswap, &target_value->freeswap);
3637 __put_user(value.procs, &target_value->procs);
3638 __put_user(value.totalhigh, &target_value->totalhigh);
3639 __put_user(value.freehigh, &target_value->freehigh);
3640 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 3641 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 3642 }
3643 }
3644 break;
e5febef5 3645#ifdef TARGET_NR_ipc
31e31b8a 3646 case TARGET_NR_ipc:
8853f86e
FB		 3647 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3648 break;
e5febef5 3649#endif
31e31b8a
FB		 3650 case TARGET_NR_fsync:
3651 ret = get_errno(fsync(arg1));
3652 break;
31e31b8a 3653 case TARGET_NR_clone:
1b6b029e
FB		 3654 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3655 break;
ec86b0fb
FB		 3656#ifdef __NR_exit_group
3657 /* new thread calls */
3658 case TARGET_NR_exit_group:
e9009676 3659 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 3660 ret = get_errno(exit_group(arg1));
3661 break;
3662#endif
31e31b8a 3663 case TARGET_NR_setdomainname:
53a5960a
PB		 3664 p = lock_user_string(arg1);
3665 ret = get_errno(setdomainname(p, arg2));
3666 unlock_user(p, arg1, 0);
31e31b8a
FB		 3667 break;
3668 case TARGET_NR_uname:
3669 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 3670 {
3671 struct new_utsname * buf;
3672
53a5960a 3673 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 3674 ret = get_errno(sys_uname(buf));
3675 if (!is_error(ret)) {
3676 /* Overrite the native machine name with whatever is being
3677 emulated. */
3678 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 3679 /* Allow the user to override the reported release. */
3680 if (qemu_uname_release && *qemu_uname_release)
3681 strcpy (buf->release, qemu_uname_release);
29e619b1 3682 }
53a5960a 3683 unlock_user_struct(buf, arg1, 1);
29e619b1 3684 }
31e31b8a 3685 break;
6dbad63e 3686#ifdef TARGET_I386
31e31b8a 3687 case TARGET_NR_modify_ldt:
53a5960a 3688 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b 3689 break;
84409ddb 3690#if !defined(TARGET_X86_64)
5cd4393b
FB		 3691 case TARGET_NR_vm86old:
3692 goto unimplemented;
3693 case TARGET_NR_vm86:
53a5960a 3694 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 3695 break;
84409ddb 3696#endif
6dbad63e 3697#endif
31e31b8a
FB		 3698 case TARGET_NR_adjtimex:
3699 goto unimplemented;
e5febef5 3700#ifdef TARGET_NR_create_module
31e31b8a 3701 case TARGET_NR_create_module:
e5febef5 3702#endif
31e31b8a
FB		 3703 case TARGET_NR_init_module:
3704 case TARGET_NR_delete_module:
e5febef5 3705#ifdef TARGET_NR_get_kernel_syms
31e31b8a 3706 case TARGET_NR_get_kernel_syms:
e5febef5 3707#endif
31e31b8a
FB		 3708 goto unimplemented;
3709 case TARGET_NR_quotactl:
3710 goto unimplemented;
3711 case TARGET_NR_getpgid:
3712 ret = get_errno(getpgid(arg1));
3713 break;
3714 case TARGET_NR_fchdir:
3715 ret = get_errno(fchdir(arg1));
3716 break;
84409ddb 3717#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 3718 case TARGET_NR_bdflush:
3719 goto unimplemented;
84409ddb 3720#endif
e5febef5 3721#ifdef TARGET_NR_sysfs
31e31b8a
FB		 3722 case TARGET_NR_sysfs:
3723 goto unimplemented;
e5febef5 3724#endif
31e31b8a 3725 case TARGET_NR_personality:
1b6b029e 3726 ret = get_errno(personality(arg1));
31e31b8a 3727 break;
e5febef5 3728#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 3729 case TARGET_NR_afs_syscall:
3730 goto unimplemented;
e5febef5 3731#endif
7a3148a9 3732#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 3733 case TARGET_NR__llseek:
3734 {
4f2ac237
FB		 3735#if defined (__x86_64__)
3736 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 3737 tput64(arg4, ret);
4f2ac237 3738#else
31e31b8a
FB		 3739 int64_t res;
3740 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 3741 tput64(arg4, res);
4f2ac237 3742#endif
31e31b8a
FB		 3743 }
3744 break;
7a3148a9 3745#endif
31e31b8a
FB		 3746 case TARGET_NR_getdents:
3747#if TARGET_LONG_SIZE != 4
53a5960a 3748 goto unimplemented;
a315a145 3749#warning not supported
4add45b4
FB		 3750#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
3751 {
53a5960a 3752 struct target_dirent *target_dirp;
4add45b4
FB		 3753 struct dirent *dirp;
3754 long count = arg3;
3755
3756 dirp = malloc(count);
3757 if (!dirp)
3758 return -ENOMEM;
3759
3760 ret = get_errno(sys_getdents(arg1, dirp, count));
3761 if (!is_error(ret)) {
3762 struct dirent *de;
3763 struct target_dirent *tde;
3764 int len = ret;
3765 int reclen, treclen;
3766 int count1, tnamelen;
3767
3768 count1 = 0;
3769 de = dirp;
53a5960a 3770 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 3771 tde = target_dirp;
3772 while (len > 0) {
3773 reclen = de->d_reclen;
3774 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
3775 tde->d_reclen = tswap16(treclen);
3776 tde->d_ino = tswapl(de->d_ino);
3777 tde->d_off = tswapl(de->d_off);
3778 tnamelen = treclen - (2 * sizeof(target_long) + 2);
3779 if (tnamelen > 256)
3780 tnamelen = 256;
80a9d035 3781 /* XXX: may not be correct */
4add45b4
FB		 3782 strncpy(tde->d_name, de->d_name, tnamelen);
3783 de = (struct dirent *)((char *)de + reclen);
3784 len -= reclen;
1c5bf3bf 3785 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 3786 count1 += treclen;
3787 }
3788 ret = count1;
3789 }
53a5960a 3790 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 3791 free(dirp);
3792 }
3793#else
31e31b8a 3794 {
53a5960a 3795 struct dirent *dirp;
31e31b8a 3796 long count = arg3;
dab2ed99 3797
53a5960a 3798 dirp = lock_user(arg2, count, 0);
72f03900 3799 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 3800 if (!is_error(ret)) {
3801 struct dirent *de;
3802 int len = ret;
3803 int reclen;
3804 de = dirp;
3805 while (len > 0) {
8083a3e5 3806 reclen = de->d_reclen;
31e31b8a
FB		 3807 if (reclen > len)
3808 break;
8083a3e5 3809 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 3810 tswapls(&de->d_ino);
3811 tswapls(&de->d_off);
3812 de = (struct dirent *)((char *)de + reclen);
3813 len -= reclen;
3814 }
3815 }
53a5960a 3816 unlock_user(dirp, arg2, ret);
31e31b8a 3817 }
4add45b4 3818#endif
31e31b8a 3819 break;
a541f297 3820#ifdef TARGET_NR_getdents64
dab2ed99
FB		 3821 case TARGET_NR_getdents64:
3822 {
53a5960a 3823 struct dirent64 *dirp;
dab2ed99 3824 long count = arg3;
53a5960a 3825 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 3826 ret = get_errno(sys_getdents64(arg1, dirp, count));
3827 if (!is_error(ret)) {
3828 struct dirent64 *de;
3829 int len = ret;
3830 int reclen;
3831 de = dirp;
3832 while (len > 0) {
8083a3e5 3833 reclen = de->d_reclen;
dab2ed99
FB		 3834 if (reclen > len)
3835 break;
8083a3e5 3836 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 3837 tswap64s(&de->d_ino);
3838 tswap64s(&de->d_off);
3839 de = (struct dirent64 *)((char *)de + reclen);
3840 len -= reclen;
3841 }
3842 }
53a5960a 3843 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 3844 }
3845 break;
a541f297 3846#endif /* TARGET_NR_getdents64 */
e5febef5 3847#ifdef TARGET_NR__newselect
31e31b8a 3848 case TARGET_NR__newselect:
53a5960a 3849 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 3850 break;
e5febef5
TS		 3851#endif
3852#ifdef TARGET_NR_poll
9de5e440
FB		 3853 case TARGET_NR_poll:
3854 {
53a5960a 3855 struct target_pollfd *target_pfd;
9de5e440
FB		 3856 unsigned int nfds = arg2;
3857 int timeout = arg3;
3858 struct pollfd *pfd;
7854b056 3859 unsigned int i;
9de5e440 3860
53a5960a 3861 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 3862 pfd = alloca(sizeof(struct pollfd) * nfds);
3863 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 3864 pfd[i].fd = tswap32(target_pfd[i].fd);
3865 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 3866 }
3867 ret = get_errno(poll(pfd, nfds, timeout));
3868 if (!is_error(ret)) {
3869 for(i = 0; i < nfds; i++) {
5cd4393b 3870 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 3871 }
53a5960a
PB		 3872 ret += nfds * (sizeof(struct target_pollfd)
3873 - sizeof(struct pollfd));
9de5e440 3874 }
53a5960a 3875 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 3876 }
3877 break;
e5febef5 3878#endif
31e31b8a 3879 case TARGET_NR_flock:
9de5e440
FB		 3880 /* NOTE: the flock constant seems to be the same for every
3881 Linux platform */
3882 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 3883 break;
3884 case TARGET_NR_readv:
3885 {
3886 int count = arg3;
31e31b8a 3887 struct iovec *vec;
31e31b8a
FB		 3888
3889 vec = alloca(count * sizeof(struct iovec));
53a5960a 3890 lock_iovec(vec, arg2, count, 0);
31e31b8a 3891 ret = get_errno(readv(arg1, vec, count));
53a5960a 3892 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 3893 }
3894 break;
3895 case TARGET_NR_writev:
3896 {
3897 int count = arg3;
31e31b8a 3898 struct iovec *vec;
31e31b8a
FB		 3899
3900 vec = alloca(count * sizeof(struct iovec));
53a5960a 3901 lock_iovec(vec, arg2, count, 1);
31e31b8a 3902 ret = get_errno(writev(arg1, vec, count));
53a5960a 3903 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 3904 }
3905 break;
3906 case TARGET_NR_getsid:
3907 ret = get_errno(getsid(arg1));
3908 break;
7a3148a9 3909#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 3910 case TARGET_NR_fdatasync:
5cd4393b
FB		 3911 ret = get_errno(fdatasync(arg1));
3912 break;
7a3148a9 3913#endif
31e31b8a 3914 case TARGET_NR__sysctl:
29e619b1
FB		 3915 /* We don't implement this, but ENODIR is always a safe
3916 return value. */
3917 return -ENOTDIR;
31e31b8a 3918 case TARGET_NR_sched_setparam:
5cd4393b 3919 {
53a5960a 3920 struct sched_param *target_schp;
5cd4393b 3921 struct sched_param schp;
53a5960a
PB		 3922
3923 lock_user_struct(target_schp, arg2, 1);
5cd4393b 3924 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3925 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 3926 ret = get_errno(sched_setparam(arg1, &schp));
3927 }
3928 break;
31e31b8a 3929 case TARGET_NR_sched_getparam:
5cd4393b 3930 {
53a5960a 3931 struct sched_param *target_schp;
5cd4393b
FB		 3932 struct sched_param schp;
3933 ret = get_errno(sched_getparam(arg1, &schp));
3934 if (!is_error(ret)) {
53a5960a 3935 lock_user_struct(target_schp, arg2, 0);
5cd4393b 3936 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 3937 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 3938 }
3939 }
3940 break;
31e31b8a 3941 case TARGET_NR_sched_setscheduler:
5cd4393b 3942 {
53a5960a 3943 struct sched_param *target_schp;
5cd4393b 3944 struct sched_param schp;
53a5960a 3945 lock_user_struct(target_schp, arg3, 1);
5cd4393b 3946 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 3947 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 3948 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
3949 }
3950 break;
31e31b8a 3951 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 3952 ret = get_errno(sched_getscheduler(arg1));
3953 break;
31e31b8a
FB		 3954 case TARGET_NR_sched_yield:
3955 ret = get_errno(sched_yield());
3956 break;
3957 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 3958 ret = get_errno(sched_get_priority_max(arg1));
3959 break;
31e31b8a 3960 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 3961 ret = get_errno(sched_get_priority_min(arg1));
3962 break;
31e31b8a 3963 case TARGET_NR_sched_rr_get_interval:
5cd4393b 3964 {
5cd4393b
FB		 3965 struct timespec ts;
3966 ret = get_errno(sched_rr_get_interval(arg1, &ts));
3967 if (!is_error(ret)) {
53a5960a 3968 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 3969 }
3970 }
3971 break;
31e31b8a 3972 case TARGET_NR_nanosleep:
1b6b029e 3973 {
1b6b029e 3974 struct timespec req, rem;
53a5960a 3975 target_to_host_timespec(&req, arg1);
1b6b029e 3976 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 3977 if (is_error(ret) && arg2) {
3978 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 3979 }
3980 }
3981 break;
e5febef5 3982#ifdef TARGET_NR_query_module
31e31b8a 3983 case TARGET_NR_query_module:
5cd4393b 3984 goto unimplemented;
e5febef5
TS		 3985#endif
3986#ifdef TARGET_NR_nfsservctl
31e31b8a 3987 case TARGET_NR_nfsservctl:
5cd4393b 3988 goto unimplemented;
e5febef5 3989#endif
31e31b8a 3990 case TARGET_NR_prctl:
e5574487
TS		 3991 switch (arg1)
3992 {
3993 case PR_GET_PDEATHSIG:
3994 {
3995 int deathsig;
3996 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
3997 if (!is_error(ret) && arg2)
3998 tput32(arg2, deathsig);
3999 }
4000 break;
4001 default:
4002 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
4003 break;
4004 }
39b9aae1 4005 break;
67867308 4006#ifdef TARGET_NR_pread
31e31b8a 4007 case TARGET_NR_pread:
53a5960a
PB		 4008 page_unprotect_range(arg2, arg3);
4009 p = lock_user(arg2, arg3, 0);
4010 ret = get_errno(pread(arg1, p, arg3, arg4));
4011 unlock_user(p, arg2, ret);
206f0fa7 4012 break;
31e31b8a 4013 case TARGET_NR_pwrite:
53a5960a
PB		 4014 p = lock_user(arg2, arg3, 1);
4015 ret = get_errno(pwrite(arg1, p, arg3, arg4));
4016 unlock_user(p, arg2, 0);
206f0fa7 4017 break;
67867308 4018#endif
31e31b8a 4019 case TARGET_NR_getcwd:
53a5960a
PB		 4020 p = lock_user(arg1, arg2, 0);
4021 ret = get_errno(sys_getcwd1(p, arg2));
4022 unlock_user(p, arg1, ret);
31e31b8a
FB		 4023 break;
4024 case TARGET_NR_capget:
5cd4393b 4025 goto unimplemented;
31e31b8a 4026 case TARGET_NR_capset:
5cd4393b 4027 goto unimplemented;
31e31b8a 4028 case TARGET_NR_sigaltstack:
5cd4393b 4029 goto unimplemented;
31e31b8a 4030 case TARGET_NR_sendfile:
5cd4393b 4031 goto unimplemented;
ebc05488 4032#ifdef TARGET_NR_getpmsg
31e31b8a 4033 case TARGET_NR_getpmsg:
5cd4393b 4034 goto unimplemented;
ebc05488
FB		 4035#endif
4036#ifdef TARGET_NR_putpmsg
31e31b8a 4037 case TARGET_NR_putpmsg:
5cd4393b 4038 goto unimplemented;
ebc05488 4039#endif
048f6b4d 4040#ifdef TARGET_NR_vfork
31e31b8a 4041 case TARGET_NR_vfork:
1b6b029e 4042 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 4043 break;
048f6b4d 4044#endif
ebc05488 4045#ifdef TARGET_NR_ugetrlimit
31e31b8a 4046 case TARGET_NR_ugetrlimit:
728584be
FB		 4047 {
4048 struct rlimit rlim;
4049 ret = get_errno(getrlimit(arg1, &rlim));
4050 if (!is_error(ret)) {
53a5960a
PB		 4051 struct target_rlimit *target_rlim;
4052 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 4053 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
4054 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 4055 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 4056 }
4057 break;
4058 }
ebc05488 4059#endif
a315a145 4060#ifdef TARGET_NR_truncate64
31e31b8a 4061 case TARGET_NR_truncate64:
53a5960a
PB		 4062 p = lock_user_string(arg1);
4063 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
4064 unlock_user(p, arg1, 0);
667f38b1 4065 break;
a315a145
FB		 4066#endif
4067#ifdef TARGET_NR_ftruncate64
31e31b8a 4068 case TARGET_NR_ftruncate64:
ce4defa0 4069 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 4070 break;
a315a145
FB		 4071#endif
4072#ifdef TARGET_NR_stat64
31e31b8a 4073 case TARGET_NR_stat64:
53a5960a
PB		 4074 p = lock_user_string(arg1);
4075 ret = get_errno(stat(path(p), &st));
4076 unlock_user(p, arg1, 0);
60cd49d5 4077 goto do_stat64;
a315a145
FB		 4078#endif
4079#ifdef TARGET_NR_lstat64
31e31b8a 4080 case TARGET_NR_lstat64:
53a5960a
PB		 4081 p = lock_user_string(arg1);
4082 ret = get_errno(lstat(path(p), &st));
4083 unlock_user(p, arg1, 0);
60cd49d5 4084 goto do_stat64;
a315a145
FB		 4085#endif
4086#ifdef TARGET_NR_fstat64
31e31b8a 4087 case TARGET_NR_fstat64:
60cd49d5
FB		 4088 {
4089 ret = get_errno(fstat(arg1, &st));
4090 do_stat64:
4091 if (!is_error(ret)) {
ce4defa0
PB		 4092#ifdef TARGET_ARM
4093 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 4094 struct target_eabi_stat64 *target_st;
4095 lock_user_struct(target_st, arg2, 1);
ce4defa0 4096 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 4097 /* put_user is probably wrong. */
ce4defa0
PB		 4098 put_user(st.st_dev, &target_st->st_dev);
4099 put_user(st.st_ino, &target_st->st_ino);
4100#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4101 put_user(st.st_ino, &target_st->__st_ino);
4102#endif
4103 put_user(st.st_mode, &target_st->st_mode);
4104 put_user(st.st_nlink, &target_st->st_nlink);
4105 put_user(st.st_uid, &target_st->st_uid);
4106 put_user(st.st_gid, &target_st->st_gid);
4107 put_user(st.st_rdev, &target_st->st_rdev);
4108 /* XXX: better use of kernel struct */
4109 put_user(st.st_size, &target_st->st_size);
4110 put_user(st.st_blksize, &target_st->st_blksize);
4111 put_user(st.st_blocks, &target_st->st_blocks);
4112 put_user(st.st_atime, &target_st->target_st_atime);
4113 put_user(st.st_mtime, &target_st->target_st_mtime);
4114 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4115 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 4116 } else
4117#endif
4118 {
53a5960a
PB		 4119 struct target_stat64 *target_st;
4120 lock_user_struct(target_st, arg2, 1);
ce4defa0 4121 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 4122 /* ??? put_user is probably wrong. */
ce4defa0
PB		 4123 put_user(st.st_dev, &target_st->st_dev);
4124 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 4125#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 4126 put_user(st.st_ino, &target_st->__st_ino);
4127#endif
4128 put_user(st.st_mode, &target_st->st_mode);
4129 put_user(st.st_nlink, &target_st->st_nlink);
4130 put_user(st.st_uid, &target_st->st_uid);
4131 put_user(st.st_gid, &target_st->st_gid);
4132 put_user(st.st_rdev, &target_st->st_rdev);
4133 /* XXX: better use of kernel struct */
4134 put_user(st.st_size, &target_st->st_size);
4135 put_user(st.st_blksize, &target_st->st_blksize);
4136 put_user(st.st_blocks, &target_st->st_blocks);
4137 put_user(st.st_atime, &target_st->target_st_atime);
4138 put_user(st.st_mtime, &target_st->target_st_mtime);
4139 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4140 unlock_user_struct(target_st, arg2, 0);
ce4defa0 4141 }
60cd49d5
FB		 4142 }
4143 }
4144 break;
a315a145 4145#endif
67867308
FB		 4146#ifdef USE_UID16
4147 case TARGET_NR_lchown:
53a5960a
PB		 4148 p = lock_user_string(arg1);
4149 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
4150 unlock_user(p, arg1, 0);
67867308
FB		 4151 break;
4152 case TARGET_NR_getuid:
4153 ret = get_errno(high2lowuid(getuid()));
4154 break;
4155 case TARGET_NR_getgid:
4156 ret = get_errno(high2lowgid(getgid()));
4157 break;
4158 case TARGET_NR_geteuid:
4159 ret = get_errno(high2lowuid(geteuid()));
4160 break;
4161 case TARGET_NR_getegid:
4162 ret = get_errno(high2lowgid(getegid()));
4163 break;
4164 case TARGET_NR_setreuid:
4165 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
4166 break;
4167 case TARGET_NR_setregid:
4168 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
4169 break;
4170 case TARGET_NR_getgroups:
4171 {
4172 int gidsetsize = arg1;
53a5960a 4173 uint16_t *target_grouplist;
67867308
FB		 4174 gid_t *grouplist;
4175 int i;
4176
4177 grouplist = alloca(gidsetsize * sizeof(gid_t));
4178 ret = get_errno(getgroups(gidsetsize, grouplist));
4179 if (!is_error(ret)) {
53a5960a 4180 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 4181 for(i = 0;i < gidsetsize; i++)
4182 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 4183 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 4184 }
4185 }
4186 break;
4187 case TARGET_NR_setgroups:
4188 {
4189 int gidsetsize = arg1;
53a5960a 4190 uint16_t *target_grouplist;
67867308
FB		 4191 gid_t *grouplist;
4192 int i;
4193
4194 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 4195 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 4196 for(i = 0;i < gidsetsize; i++)
4197 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 4198 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 4199 ret = get_errno(setgroups(gidsetsize, grouplist));
4200 }
4201 break;
4202 case TARGET_NR_fchown:
4203 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
4204 break;
4205#ifdef TARGET_NR_setresuid
4206 case TARGET_NR_setresuid:
4207 ret = get_errno(setresuid(low2highuid(arg1),
4208 low2highuid(arg2),
4209 low2highuid(arg3)));
4210 break;
4211#endif
4212#ifdef TARGET_NR_getresuid
4213 case TARGET_NR_getresuid:
4214 {
53a5960a 4215 uid_t ruid, euid, suid;
67867308
FB		 4216 ret = get_errno(getresuid(&ruid, &euid, &suid));
4217 if (!is_error(ret)) {
53a5960a
PB		 4218 tput16(arg1, tswap16(high2lowuid(ruid)));
4219 tput16(arg2, tswap16(high2lowuid(euid)));
4220 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 4221 }
4222 }
4223 break;
4224#endif
4225#ifdef TARGET_NR_getresgid
4226 case TARGET_NR_setresgid:
4227 ret = get_errno(setresgid(low2highgid(arg1),
4228 low2highgid(arg2),
4229 low2highgid(arg3)));
4230 break;
4231#endif
4232#ifdef TARGET_NR_getresgid
4233 case TARGET_NR_getresgid:
4234 {
53a5960a 4235 gid_t rgid, egid, sgid;
67867308
FB		 4236 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4237 if (!is_error(ret)) {
53a5960a
PB		 4238 tput16(arg1, tswap16(high2lowgid(rgid)));
4239 tput16(arg2, tswap16(high2lowgid(egid)));
4240 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 4241 }
4242 }
4243 break;
4244#endif
4245 case TARGET_NR_chown:
53a5960a
PB		 4246 p = lock_user_string(arg1);
4247 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
4248 unlock_user(p, arg1, 0);
67867308
FB		 4249 break;
4250 case TARGET_NR_setuid:
4251 ret = get_errno(setuid(low2highuid(arg1)));
4252 break;
4253 case TARGET_NR_setgid:
4254 ret = get_errno(setgid(low2highgid(arg1)));
4255 break;
4256 case TARGET_NR_setfsuid:
4257 ret = get_errno(setfsuid(arg1));
4258 break;
4259 case TARGET_NR_setfsgid:
4260 ret = get_errno(setfsgid(arg1));
4261 break;
4262#endif /* USE_UID16 */
4263
a315a145 4264#ifdef TARGET_NR_lchown32
31e31b8a 4265 case TARGET_NR_lchown32:
53a5960a
PB		 4266 p = lock_user_string(arg1);
4267 ret = get_errno(lchown(p, arg2, arg3));
4268 unlock_user(p, arg1, 0);
b03c60f3 4269 break;
a315a145
FB		 4270#endif
4271#ifdef TARGET_NR_getuid32
31e31b8a 4272 case TARGET_NR_getuid32:
b03c60f3
FB		 4273 ret = get_errno(getuid());
4274 break;
a315a145
FB		 4275#endif
4276#ifdef TARGET_NR_getgid32
31e31b8a 4277 case TARGET_NR_getgid32:
b03c60f3
FB		 4278 ret = get_errno(getgid());
4279 break;
a315a145
FB		 4280#endif
4281#ifdef TARGET_NR_geteuid32
31e31b8a 4282 case TARGET_NR_geteuid32:
b03c60f3
FB		 4283 ret = get_errno(geteuid());
4284 break;
a315a145
FB		 4285#endif
4286#ifdef TARGET_NR_getegid32
31e31b8a 4287 case TARGET_NR_getegid32:
b03c60f3
FB		 4288 ret = get_errno(getegid());
4289 break;
a315a145
FB		 4290#endif
4291#ifdef TARGET_NR_setreuid32
31e31b8a 4292 case TARGET_NR_setreuid32:
b03c60f3
FB		 4293 ret = get_errno(setreuid(arg1, arg2));
4294 break;
a315a145
FB		 4295#endif
4296#ifdef TARGET_NR_setregid32
31e31b8a 4297 case TARGET_NR_setregid32:
b03c60f3
FB		 4298 ret = get_errno(setregid(arg1, arg2));
4299 break;
a315a145
FB		 4300#endif
4301#ifdef TARGET_NR_getgroups32
31e31b8a 4302 case TARGET_NR_getgroups32:
99c475ab
FB		 4303 {
4304 int gidsetsize = arg1;
53a5960a 4305 uint32_t *target_grouplist;
99c475ab
FB		 4306 gid_t *grouplist;
4307 int i;
4308
4309 grouplist = alloca(gidsetsize * sizeof(gid_t));
4310 ret = get_errno(getgroups(gidsetsize, grouplist));
4311 if (!is_error(ret)) {
53a5960a 4312 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 4313 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 4314 target_grouplist[i] = tswap32(grouplist[i]);
4315 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 4316 }
4317 }
4318 break;
a315a145
FB		 4319#endif
4320#ifdef TARGET_NR_setgroups32
31e31b8a 4321 case TARGET_NR_setgroups32:
99c475ab
FB		 4322 {
4323 int gidsetsize = arg1;
53a5960a 4324 uint32_t *target_grouplist;
99c475ab
FB		 4325 gid_t *grouplist;
4326 int i;
4327
4328 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 4329 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 4330 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 4331 grouplist[i] = tswap32(target_grouplist[i]);
4332 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 4333 ret = get_errno(setgroups(gidsetsize, grouplist));
4334 }
4335 break;
a315a145
FB		 4336#endif
4337#ifdef TARGET_NR_fchown32
31e31b8a 4338 case TARGET_NR_fchown32:
b03c60f3
FB		 4339 ret = get_errno(fchown(arg1, arg2, arg3));
4340 break;
a315a145
FB		 4341#endif
4342#ifdef TARGET_NR_setresuid32
31e31b8a 4343 case TARGET_NR_setresuid32:
b03c60f3
FB		 4344 ret = get_errno(setresuid(arg1, arg2, arg3));
4345 break;
a315a145
FB		 4346#endif
4347#ifdef TARGET_NR_getresuid32
31e31b8a 4348 case TARGET_NR_getresuid32:
b03c60f3 4349 {
53a5960a 4350 uid_t ruid, euid, suid;
b03c60f3
FB		 4351 ret = get_errno(getresuid(&ruid, &euid, &suid));
4352 if (!is_error(ret)) {
53a5960a
PB		 4353 tput32(arg1, tswap32(ruid));
4354 tput32(arg2, tswap32(euid));
4355 tput32(arg3, tswap32(suid));
b03c60f3
FB		 4356 }
4357 }
4358 break;
a315a145
FB		 4359#endif
4360#ifdef TARGET_NR_setresgid32
31e31b8a 4361 case TARGET_NR_setresgid32:
b03c60f3
FB		 4362 ret = get_errno(setresgid(arg1, arg2, arg3));
4363 break;
a315a145
FB		 4364#endif
4365#ifdef TARGET_NR_getresgid32
31e31b8a 4366 case TARGET_NR_getresgid32:
b03c60f3 4367 {
53a5960a 4368 gid_t rgid, egid, sgid;
b03c60f3
FB		 4369 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4370 if (!is_error(ret)) {
53a5960a
PB		 4371 tput32(arg1, tswap32(rgid));
4372 tput32(arg2, tswap32(egid));
4373 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 4374 }
4375 }
4376 break;
a315a145
FB		 4377#endif
4378#ifdef TARGET_NR_chown32
31e31b8a 4379 case TARGET_NR_chown32:
53a5960a
PB		 4380 p = lock_user_string(arg1);
4381 ret = get_errno(chown(p, arg2, arg3));
4382 unlock_user(p, arg1, 0);
b03c60f3 4383 break;
a315a145
FB		 4384#endif
4385#ifdef TARGET_NR_setuid32
31e31b8a 4386 case TARGET_NR_setuid32:
b03c60f3
FB		 4387 ret = get_errno(setuid(arg1));
4388 break;
a315a145
FB		 4389#endif
4390#ifdef TARGET_NR_setgid32
31e31b8a 4391 case TARGET_NR_setgid32:
b03c60f3
FB		 4392 ret = get_errno(setgid(arg1));
4393 break;
a315a145
FB		 4394#endif
4395#ifdef TARGET_NR_setfsuid32
31e31b8a 4396 case TARGET_NR_setfsuid32:
b03c60f3
FB		 4397 ret = get_errno(setfsuid(arg1));
4398 break;
a315a145
FB		 4399#endif
4400#ifdef TARGET_NR_setfsgid32
31e31b8a 4401 case TARGET_NR_setfsgid32:
b03c60f3
FB		 4402 ret = get_errno(setfsgid(arg1));
4403 break;
a315a145 4404#endif
67867308 4405
31e31b8a 4406 case TARGET_NR_pivot_root:
b03c60f3 4407 goto unimplemented;
ffa65c3b 4408#ifdef TARGET_NR_mincore
31e31b8a 4409 case TARGET_NR_mincore:
b03c60f3 4410 goto unimplemented;
ffa65c3b
FB		 4411#endif
4412#ifdef TARGET_NR_madvise
31e31b8a 4413 case TARGET_NR_madvise:
24836689
PB		 4414 /* A straight passthrough may not be safe because qemu sometimes
4415 turns private flie-backed mappings into anonymous mappings.
4416 This will break MADV_DONTNEED.
4417 This is a hint, so ignoring and returning success is ok. */
4418 ret = get_errno(0);
4419 break;
ffa65c3b 4420#endif
60cd49d5 4421#if TARGET_LONG_BITS == 32
31e31b8a 4422 case TARGET_NR_fcntl64:
77e4672d 4423 {
b1e341eb 4424 int cmd;
77e4672d 4425 struct flock64 fl;
53a5960a 4426 struct target_flock64 *target_fl;
ce4defa0 4427#ifdef TARGET_ARM
53a5960a 4428 struct target_eabi_flock64 *target_efl;
ce4defa0 4429#endif
77e4672d 4430
b1e341eb
TS		 4431 switch(arg2){
4432 case TARGET_F_GETLK64:
4433 cmd = F_GETLK64;
a7222580 4434 break;
b1e341eb
TS		 4435 case TARGET_F_SETLK64:
4436 cmd = F_SETLK64;
a7222580 4437 break;
b1e341eb
TS		 4438 case TARGET_F_SETLKW64:
4439 cmd = F_SETLK64;
a7222580 4440 break;
b1e341eb
TS		 4441 default:
4442 cmd = arg2;
a7222580 4443 break;
b1e341eb
TS		 4444 }
4445
60cd49d5 4446 switch(arg2) {
b1e341eb 4447 case TARGET_F_GETLK64:
5813427b
TS		 4448#ifdef TARGET_ARM
4449 if (((CPUARMState *)cpu_env)->eabi) {
4450 lock_user_struct(target_efl, arg3, 1);
4451 fl.l_type = tswap16(target_efl->l_type);
4452 fl.l_whence = tswap16(target_efl->l_whence);
4453 fl.l_start = tswap64(target_efl->l_start);
4454 fl.l_len = tswap64(target_efl->l_len);
4455 fl.l_pid = tswapl(target_efl->l_pid);
4456 unlock_user_struct(target_efl, arg3, 0);
4457 } else
4458#endif
4459 {
4460 lock_user_struct(target_fl, arg3, 1);
4461 fl.l_type = tswap16(target_fl->l_type);
4462 fl.l_whence = tswap16(target_fl->l_whence);
4463 fl.l_start = tswap64(target_fl->l_start);
4464 fl.l_len = tswap64(target_fl->l_len);
4465 fl.l_pid = tswapl(target_fl->l_pid);
4466 unlock_user_struct(target_fl, arg3, 0);
4467 }
b1e341eb 4468 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4469 if (ret == 0) {
ce4defa0
PB		 4470#ifdef TARGET_ARM
4471 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4472 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4473 target_efl->l_type = tswap16(fl.l_type);
4474 target_efl->l_whence = tswap16(fl.l_whence);
4475 target_efl->l_start = tswap64(fl.l_start);
4476 target_efl->l_len = tswap64(fl.l_len);
4477 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 4478 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4479 } else
4480#endif
4481 {
53a5960a 4482 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 4483 target_fl->l_type = tswap16(fl.l_type);
4484 target_fl->l_whence = tswap16(fl.l_whence);
4485 target_fl->l_start = tswap64(fl.l_start);
4486 target_fl->l_len = tswap64(fl.l_len);
4487 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 4488 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 4489 }
77e4672d
FB		 4490 }
4491 break;
4492
b1e341eb
TS		 4493 case TARGET_F_SETLK64:
4494 case TARGET_F_SETLKW64:
ce4defa0
PB		 4495#ifdef TARGET_ARM
4496 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4497 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4498 fl.l_type = tswap16(target_efl->l_type);
4499 fl.l_whence = tswap16(target_efl->l_whence);
4500 fl.l_start = tswap64(target_efl->l_start);
4501 fl.l_len = tswap64(target_efl->l_len);
4502 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 4503 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4504 } else
4505#endif
4506 {
53a5960a 4507 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 4508 fl.l_type = tswap16(target_fl->l_type);
4509 fl.l_whence = tswap16(target_fl->l_whence);
4510 fl.l_start = tswap64(target_fl->l_start);
4511 fl.l_len = tswap64(target_fl->l_len);
4512 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 4513 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 4514 }
b1e341eb 4515 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4516 break;
60cd49d5 4517 default:
b1e341eb 4518 ret = get_errno(do_fcntl(arg1, cmd, arg3));
60cd49d5
FB		 4519 break;
4520 }
77e4672d
FB		 4521 break;
4522 }
60cd49d5 4523#endif
7d600c80
TS		 4524#ifdef TARGET_NR_cacheflush
4525 case TARGET_NR_cacheflush:
4526 /* self-modifying code is handled automatically, so nothing needed */
4527 ret = 0;
4528 break;
4529#endif
ebc05488 4530#ifdef TARGET_NR_security
31e31b8a
FB		 4531 case TARGET_NR_security:
4532 goto unimplemented;
c573ff67
FB		 4533#endif
4534#ifdef TARGET_NR_getpagesize
4535 case TARGET_NR_getpagesize:
4536 ret = TARGET_PAGE_SIZE;
4537 break;
ebc05488 4538#endif
31e31b8a
FB		 4539 case TARGET_NR_gettid:
4540 ret = get_errno(gettid());
4541 break;
e5febef5 4542#ifdef TARGET_NR_readahead
31e31b8a 4543 case TARGET_NR_readahead:
5cd4393b 4544 goto unimplemented;
e5febef5 4545#endif
ebc05488 4546#ifdef TARGET_NR_setxattr
31e31b8a
FB		 4547 case TARGET_NR_setxattr:
4548 case TARGET_NR_lsetxattr:
4549 case TARGET_NR_fsetxattr:
4550 case TARGET_NR_getxattr:
4551 case TARGET_NR_lgetxattr:
4552 case TARGET_NR_fgetxattr:
4553 case TARGET_NR_listxattr:
4554 case TARGET_NR_llistxattr:
4555 case TARGET_NR_flistxattr:
4556 case TARGET_NR_removexattr:
4557 case TARGET_NR_lremovexattr:
4558 case TARGET_NR_fremovexattr:
5cd4393b 4559 goto unimplemented_nowarn;
ebc05488
FB		 4560#endif
4561#ifdef TARGET_NR_set_thread_area
5cd4393b 4562 case TARGET_NR_set_thread_area:
6f5b89a0
TS		 4563#ifdef TARGET_MIPS
4564 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4565 ret = 0;
4566 break;
4567#else
4568 goto unimplemented_nowarn;
4569#endif
4570#endif
4571#ifdef TARGET_NR_get_thread_area
5cd4393b
FB		 4572 case TARGET_NR_get_thread_area:
4573 goto unimplemented_nowarn;
48dc41eb
FB		 4574#endif
4575#ifdef TARGET_NR_getdomainname
4576 case TARGET_NR_getdomainname:
4577 goto unimplemented_nowarn;
ebc05488 4578#endif
6f5b89a0 4579
b5906f95
TS		 4580#ifdef TARGET_NR_clock_gettime
4581 case TARGET_NR_clock_gettime:
4582 {
4583 struct timespec ts;
4584 ret = get_errno(clock_gettime(arg1, &ts));
4585 if (!is_error(ret)) {
4586 host_to_target_timespec(arg2, &ts);
4587 }
4588 break;
4589 }
4590#endif
4591#ifdef TARGET_NR_clock_getres
4592 case TARGET_NR_clock_getres:
4593 {
4594 struct timespec ts;
4595 ret = get_errno(clock_getres(arg1, &ts));
4596 if (!is_error(ret)) {
4597 host_to_target_timespec(arg2, &ts);
4598 }
4599 break;
4600 }
4601#endif
4602
6f5b89a0
TS		 4603#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4604 case TARGET_NR_set_tid_address:
4605 ret = get_errno(set_tid_address((int *) arg1));
4606 break;
4607#endif
4608
71455574
TS		 4609#ifdef TARGET_NR_tgkill
4610 case TARGET_NR_tgkill:
4611 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3));
4612 break;
4613#endif
4614
4f2b1fe8
TS		 4615#ifdef TARGET_NR_set_robust_list
4616 case TARGET_NR_set_robust_list:
4617 goto unimplemented_nowarn;
4618#endif
4619
31e31b8a
FB		 4620 default:
4621 unimplemented:
5cd4393b 4622 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 4623#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 4624 unimplemented_nowarn:
80a9d035 4625#endif
31e31b8a
FB		 4626 ret = -ENOSYS;
4627 break;
4628 }
4629 fail:
c573ff67
FB		 4630#ifdef DEBUG
4631 gemu_log(" = %ld\n", ret);
4632#endif
31e31b8a
FB		 4633 return ret;
4634}
4635
Qemu copy for testing