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linux-user utimensat() syscall, by Thayne Harbaugh.
[mirror_qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 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
92a34c10 142#define __NR_sys_faccessat __NR_faccessat
814d7977 143#define __NR_sys_fchmodat __NR_fchmodat
ccfa72b7 144#define __NR_sys_fchownat __NR_fchownat
72f03900 145#define __NR_sys_getcwd1 __NR_getcwd
72f03900 146#define __NR_sys_getdents __NR_getdents
dab2ed99 147#define __NR_sys_getdents64 __NR_getdents64
64f0ce4c 148#define __NR_sys_linkat __NR_linkat
4472ad0d 149#define __NR_sys_mkdirat __NR_mkdirat
75ac37a0 150#define __NR_sys_mknodat __NR_mknodat
82424832 151#define __NR_sys_openat __NR_openat
5e0ccb18 152#define __NR_sys_readlinkat __NR_readlinkat
722183f6 153#define __NR_sys_renameat __NR_renameat
66fb9763 154#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
f0b6243d 155#define __NR_sys_symlinkat __NR_symlinkat
7494b0f9 156#define __NR_sys_syslog __NR_syslog
71455574 157#define __NR_sys_tgkill __NR_tgkill
4cae1d16 158#define __NR_sys_tkill __NR_tkill
8170f56b 159#define __NR_sys_unlinkat __NR_unlinkat
9007f0ef 160#define __NR_sys_utimensat __NR_utimensat
31e31b8a 161
bc51c5c9 162#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 163#define __NR__llseek __NR_lseek
164#endif
165
72f03900 166#ifdef __NR_gettid
31e31b8a 167_syscall0(int, gettid)
72f03900
FB		 168#else
169static int gettid(void) {
170 return -ENOSYS;
171}
172#endif
31e31b8a 173_syscall1(int,sys_uname,struct new_utsname *,buf)
92a34c10
TS		 174#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
175_syscall4(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode,int,flags)
176#endif
814d7977
TS		 177#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
178_syscall4(int,sys_fchmodat,int,dirfd,const char *,pathname,
179 mode_t,mode,int,flags)
180#endif
ccfa72b7
TS		 181#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
182_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
183 uid_t,owner,gid_t,group,int,flags)
184#endif
72f03900
FB		 185_syscall2(int,sys_getcwd1,char *,buf,size_t,size)
186_syscall3(int, sys_getdents, uint, fd, struct dirent *, dirp, uint, count);
3ae43202 187#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99 188_syscall3(int, sys_getdents64, uint, fd, struct dirent64 *, dirp, uint, count);
3ae43202 189#endif
31e31b8a
FB		 190_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
191 loff_t *, res, uint, wh);
64f0ce4c
TS		 192#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
193_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
194 int,newdirfd,const char *,newpath,int,flags)
195#endif
4472ad0d
TS		 196#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
197_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
198#endif
75ac37a0
TS		 199#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
200_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
201 mode_t,mode,dev_t,dev)
202#endif
82424832
TS		 203#if defined(TARGET_NR_openat) && defined(__NR_openat)
204_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
205#endif
5e0ccb18
TS		 206#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
207_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
208 char *,buf,size_t,bufsize)
209#endif
722183f6
TS		 210#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
211_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
212 int,newdirfd,const char *,newpath)
213#endif
66fb9763 214_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
b51eaa82 215#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
f0b6243d
TS		 216_syscall3(int,sys_symlinkat,const char *,oldpath,
217 int,newdirfd,const char *,newpath)
218#endif
7494b0f9 219_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
3ae43202 220#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 221_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
4cae1d16 222#endif
3ae43202 223#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16
TS		 224_syscall2(int,sys_tkill,int,tid,int,sig)
225#endif
ec86b0fb
FB		 226#ifdef __NR_exit_group
227_syscall1(int,exit_group,int,error_code)
228#endif
6f5b89a0
TS		 229#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
230_syscall1(int,set_tid_address,int *,tidptr)
231#endif
8170f56b
TS		 232#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
233_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
234#endif
9007f0ef
TS		 235#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
236_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
237 const struct timespec *,tsp,int,flags)
238#endif
66fb9763
FB		 239
240extern int personality(int);
9de5e440
FB		 241extern int flock(int, int);
242extern int setfsuid(int);
243extern int setfsgid(int);
5cd4393b
FB		 244extern int setresuid(uid_t, uid_t, uid_t);
245extern int getresuid(uid_t *, uid_t *, uid_t *);
246extern int setresgid(gid_t, gid_t, gid_t);
247extern int getresgid(gid_t *, gid_t *, gid_t *);
19b84f3c 248extern int setgroups(int, gid_t *);
31e31b8a 249
637947f1 250/*
fe8f096b 251 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 252 * minus the errnos that are not actually generic to all archs.
253 */
254static uint16_t host_to_target_errno_table[1200] = {
255 [EIDRM] = TARGET_EIDRM,
256 [ECHRNG] = TARGET_ECHRNG,
257 [EL2NSYNC] = TARGET_EL2NSYNC,
258 [EL3HLT] = TARGET_EL3HLT,
259 [EL3RST] = TARGET_EL3RST,
260 [ELNRNG] = TARGET_ELNRNG,
261 [EUNATCH] = TARGET_EUNATCH,
262 [ENOCSI] = TARGET_ENOCSI,
263 [EL2HLT] = TARGET_EL2HLT,
264 [EDEADLK] = TARGET_EDEADLK,
265 [ENOLCK] = TARGET_ENOLCK,
266 [EBADE] = TARGET_EBADE,
267 [EBADR] = TARGET_EBADR,
268 [EXFULL] = TARGET_EXFULL,
269 [ENOANO] = TARGET_ENOANO,
270 [EBADRQC] = TARGET_EBADRQC,
271 [EBADSLT] = TARGET_EBADSLT,
272 [EBFONT] = TARGET_EBFONT,
273 [ENOSTR] = TARGET_ENOSTR,
274 [ENODATA] = TARGET_ENODATA,
275 [ETIME] = TARGET_ETIME,
276 [ENOSR] = TARGET_ENOSR,
277 [ENONET] = TARGET_ENONET,
278 [ENOPKG] = TARGET_ENOPKG,
279 [EREMOTE] = TARGET_EREMOTE,
280 [ENOLINK] = TARGET_ENOLINK,
281 [EADV] = TARGET_EADV,
282 [ESRMNT] = TARGET_ESRMNT,
283 [ECOMM] = TARGET_ECOMM,
284 [EPROTO] = TARGET_EPROTO,
285 [EDOTDOT] = TARGET_EDOTDOT,
286 [EMULTIHOP] = TARGET_EMULTIHOP,
287 [EBADMSG] = TARGET_EBADMSG,
288 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
289 [EOVERFLOW] = TARGET_EOVERFLOW,
290 [ENOTUNIQ] = TARGET_ENOTUNIQ,
291 [EBADFD] = TARGET_EBADFD,
292 [EREMCHG] = TARGET_EREMCHG,
293 [ELIBACC] = TARGET_ELIBACC,
294 [ELIBBAD] = TARGET_ELIBBAD,
295 [ELIBSCN] = TARGET_ELIBSCN,
296 [ELIBMAX] = TARGET_ELIBMAX,
297 [ELIBEXEC] = TARGET_ELIBEXEC,
298 [EILSEQ] = TARGET_EILSEQ,
299 [ENOSYS] = TARGET_ENOSYS,
300 [ELOOP] = TARGET_ELOOP,
301 [ERESTART] = TARGET_ERESTART,
302 [ESTRPIPE] = TARGET_ESTRPIPE,
303 [ENOTEMPTY] = TARGET_ENOTEMPTY,
304 [EUSERS] = TARGET_EUSERS,
305 [ENOTSOCK] = TARGET_ENOTSOCK,
306 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
307 [EMSGSIZE] = TARGET_EMSGSIZE,
308 [EPROTOTYPE] = TARGET_EPROTOTYPE,
309 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
310 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
311 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
312 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
313 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
314 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
315 [EADDRINUSE] = TARGET_EADDRINUSE,
316 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
317 [ENETDOWN] = TARGET_ENETDOWN,
318 [ENETUNREACH] = TARGET_ENETUNREACH,
319 [ENETRESET] = TARGET_ENETRESET,
320 [ECONNABORTED] = TARGET_ECONNABORTED,
321 [ECONNRESET] = TARGET_ECONNRESET,
322 [ENOBUFS] = TARGET_ENOBUFS,
323 [EISCONN] = TARGET_EISCONN,
324 [ENOTCONN] = TARGET_ENOTCONN,
325 [EUCLEAN] = TARGET_EUCLEAN,
326 [ENOTNAM] = TARGET_ENOTNAM,
327 [ENAVAIL] = TARGET_ENAVAIL,
328 [EISNAM] = TARGET_EISNAM,
329 [EREMOTEIO] = TARGET_EREMOTEIO,
330 [ESHUTDOWN] = TARGET_ESHUTDOWN,
331 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
332 [ETIMEDOUT] = TARGET_ETIMEDOUT,
333 [ECONNREFUSED] = TARGET_ECONNREFUSED,
334 [EHOSTDOWN] = TARGET_EHOSTDOWN,
335 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
336 [EALREADY] = TARGET_EALREADY,
337 [EINPROGRESS] = TARGET_EINPROGRESS,
338 [ESTALE] = TARGET_ESTALE,
339 [ECANCELED] = TARGET_ECANCELED,
340 [ENOMEDIUM] = TARGET_ENOMEDIUM,
341 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 342#ifdef ENOKEY
637947f1 343 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 344#endif
345#ifdef EKEYEXPIRED
637947f1 346 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 347#endif
348#ifdef EKEYREVOKED
637947f1 349 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 350#endif
351#ifdef EKEYREJECTED
637947f1 352 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 353#endif
354#ifdef EOWNERDEAD
637947f1 355 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 356#endif
357#ifdef ENOTRECOVERABLE
637947f1 358 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 359#endif
637947f1
TS		 360 };
361
362static inline int host_to_target_errno(int err)
363{
364 if(host_to_target_errno_table[err])
365 return host_to_target_errno_table[err];
366 return err;
367}
368
31e31b8a
FB		 369static inline long get_errno(long ret)
370{
371 if (ret == -1)
637947f1 372 return -host_to_target_errno(errno);
31e31b8a
FB		 373 else
374 return ret;
375}
376
377static inline int is_error(long ret)
378{
379 return (unsigned long)ret >= (unsigned long)(-4096);
380}
381
53a5960a
PB		 382static target_ulong target_brk;
383static target_ulong target_original_brk;
31e31b8a 384
53a5960a 385void target_set_brk(target_ulong new_brk)
31e31b8a 386{
4c1de73d 387 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
31e31b8a
FB		 388}
389
53a5960a 390long do_brk(target_ulong new_brk)
31e31b8a 391{
53a5960a 392 target_ulong brk_page;
31e31b8a
FB		 393 long mapped_addr;
394 int new_alloc_size;
395
396 if (!new_brk)
53a5960a 397 return target_brk;
31e31b8a
FB		 398 if (new_brk < target_original_brk)
399 return -ENOMEM;
3b46e624 400
53a5960a 401 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 402
403 /* If the new brk is less than this, set it and we're done... */
404 if (new_brk < brk_page) {
405 target_brk = new_brk;
53a5960a 406 return target_brk;
31e31b8a
FB		 407 }
408
409 /* We need to allocate more memory after the brk... */
54936004 410 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
5fafdf24 411 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 412 PROT_READ|PROT_WRITE,
413 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
31e31b8a
FB		 414 if (is_error(mapped_addr)) {
415 return mapped_addr;
416 } else {
417 target_brk = new_brk;
53a5960a 418 return target_brk;
31e31b8a
FB		 419 }
420}
421
5fafdf24 422static inline fd_set *target_to_host_fds(fd_set *fds,
31e31b8a
FB		 423 target_long *target_fds, int n)
424{
7854b056 425#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 426 return (fd_set *)target_fds;
427#else
428 int i, b;
429 if (target_fds) {
430 FD_ZERO(fds);
431 for(i = 0;i < n; i++) {
432 b = (tswapl(target_fds[i / TARGET_LONG_BITS]) >>
433 (i & (TARGET_LONG_BITS - 1))) & 1;
434 if (b)
435 FD_SET(i, fds);
436 }
437 return fds;
438 } else {
439 return NULL;
440 }
441#endif
442}
443
5fafdf24 444static inline void host_to_target_fds(target_long *target_fds,
31e31b8a
FB		 445 fd_set *fds, int n)
446{
7854b056 447#if !defined(BSWAP_NEEDED) && !defined(WORDS_BIGENDIAN)
31e31b8a
FB		 448 /* nothing to do */
449#else
450 int i, nw, j, k;
451 target_long v;
452
453 if (target_fds) {
8853f86e 454 nw = (n + TARGET_LONG_BITS - 1) / TARGET_LONG_BITS;
31e31b8a
FB		 455 k = 0;
456 for(i = 0;i < nw; i++) {
457 v = 0;
458 for(j = 0; j < TARGET_LONG_BITS; j++) {
459 v |= ((FD_ISSET(k, fds) != 0) << j);
460 k++;
461 }
462 target_fds[i] = tswapl(v);
463 }
464 }
465#endif
466}
467
c596ed17
FB		 468#if defined(__alpha__)
469#define HOST_HZ 1024
470#else
471#define HOST_HZ 100
472#endif
473
474static inline long host_to_target_clock_t(long ticks)
475{
476#if HOST_HZ == TARGET_HZ
477 return ticks;
478#else
479 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
480#endif
481}
482
53a5960a 483static inline void host_to_target_rusage(target_ulong target_addr,
b409186b
FB		 484 const struct rusage *rusage)
485{
53a5960a
PB		 486 struct target_rusage *target_rusage;
487
488 lock_user_struct(target_rusage, target_addr, 0);
b409186b
FB		 489 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
490 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
491 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
492 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
493 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
494 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
495 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
496 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
497 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
498 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
499 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
500 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
501 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
502 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
503 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
504 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
505 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
506 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 507 unlock_user_struct(target_rusage, target_addr, 1);
b409186b
FB		 508}
509
53a5960a
PB		 510static inline void target_to_host_timeval(struct timeval *tv,
511 target_ulong target_addr)
31e31b8a 512{
53a5960a
PB		 513 struct target_timeval *target_tv;
514
515 lock_user_struct(target_tv, target_addr, 1);
66fb9763
FB		 516 tv->tv_sec = tswapl(target_tv->tv_sec);
517 tv->tv_usec = tswapl(target_tv->tv_usec);
53a5960a 518 unlock_user_struct(target_tv, target_addr, 0);
31e31b8a
FB		 519}
520
53a5960a 521static inline void host_to_target_timeval(target_ulong target_addr,
5cd4393b 522 const struct timeval *tv)
31e31b8a 523{
53a5960a
PB		 524 struct target_timeval *target_tv;
525
526 lock_user_struct(target_tv, target_addr, 0);
66fb9763
FB		 527 target_tv->tv_sec = tswapl(tv->tv_sec);
528 target_tv->tv_usec = tswapl(tv->tv_usec);
53a5960a 529 unlock_user_struct(target_tv, target_addr, 1);
31e31b8a
FB		 530}
531
532
5fafdf24
TS		 533static long do_select(long n,
534 target_ulong rfd_p, target_ulong wfd_p,
53a5960a 535 target_ulong efd_p, target_ulong target_tv)
31e31b8a
FB		 536{
537 fd_set rfds, wfds, efds;
538 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
53a5960a 539 target_long *target_rfds, *target_wfds, *target_efds;
31e31b8a
FB		 540 struct timeval tv, *tv_ptr;
541 long ret;
53a5960a 542 int ok;
31e31b8a 543
53a5960a
PB		 544 if (rfd_p) {
545 target_rfds = lock_user(rfd_p, sizeof(target_long) * n, 1);
546 rfds_ptr = target_to_host_fds(&rfds, target_rfds, n);
547 } else {
548 target_rfds = NULL;
549 rfds_ptr = NULL;
550 }
551 if (wfd_p) {
552 target_wfds = lock_user(wfd_p, sizeof(target_long) * n, 1);
553 wfds_ptr = target_to_host_fds(&wfds, target_wfds, n);
554 } else {
555 target_wfds = NULL;
556 wfds_ptr = NULL;
557 }
558 if (efd_p) {
559 target_efds = lock_user(efd_p, sizeof(target_long) * n, 1);
560 efds_ptr = target_to_host_fds(&efds, target_efds, n);
561 } else {
562 target_efds = NULL;
563 efds_ptr = NULL;
564 }
3b46e624 565
31e31b8a 566 if (target_tv) {
5cd4393b 567 target_to_host_timeval(&tv, target_tv);
31e31b8a
FB		 568 tv_ptr = &tv;
569 } else {
570 tv_ptr = NULL;
571 }
572 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a
PB		 573 ok = !is_error(ret);
574
575 if (ok) {
31e31b8a
FB		 576 host_to_target_fds(target_rfds, rfds_ptr, n);
577 host_to_target_fds(target_wfds, wfds_ptr, n);
578 host_to_target_fds(target_efds, efds_ptr, n);
579
580 if (target_tv) {
5cd4393b 581 host_to_target_timeval(target_tv, &tv);
31e31b8a
FB		 582 }
583 }
53a5960a
PB		 584 if (target_rfds)
585 unlock_user(target_rfds, rfd_p, ok ? sizeof(target_long) * n : 0);
586 if (target_wfds)
587 unlock_user(target_wfds, wfd_p, ok ? sizeof(target_long) * n : 0);
588 if (target_efds)
589 unlock_user(target_efds, efd_p, ok ? sizeof(target_long) * n : 0);
590
31e31b8a
FB		 591 return ret;
592}
593
7854b056 594static inline void target_to_host_sockaddr(struct sockaddr *addr,
53a5960a 595 target_ulong target_addr,
7854b056
FB		 596 socklen_t len)
597{
53a5960a
PB		 598 struct target_sockaddr *target_saddr;
599
600 target_saddr = lock_user(target_addr, len, 1);
601 memcpy(addr, target_saddr, len);
602 addr->sa_family = tswap16(target_saddr->sa_family);
603 unlock_user(target_saddr, target_addr, 0);
7854b056
FB		 604}
605
53a5960a 606static inline void host_to_target_sockaddr(target_ulong target_addr,
7854b056
FB		 607 struct sockaddr *addr,
608 socklen_t len)
609{
53a5960a
PB		 610 struct target_sockaddr *target_saddr;
611
612 target_saddr = lock_user(target_addr, len, 0);
613 memcpy(target_saddr, addr, len);
614 target_saddr->sa_family = tswap16(addr->sa_family);
615 unlock_user(target_saddr, target_addr, len);
7854b056
FB		 616}
617
53a5960a 618/* ??? Should this also swap msgh->name? */
7854b056
FB		 619static inline void target_to_host_cmsg(struct msghdr *msgh,
620 struct target_msghdr *target_msgh)
621{
622 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
623 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
624 socklen_t space = 0;
625
626 while (cmsg && target_cmsg) {
627 void *data = CMSG_DATA(cmsg);
628 void *target_data = TARGET_CMSG_DATA(target_cmsg);
629
5fafdf24 630 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 631 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
632
633 space += CMSG_SPACE(len);
634 if (space > msgh->msg_controllen) {
635 space -= CMSG_SPACE(len);
31febb71 636 gemu_log("Host cmsg overflow\n");
7854b056
FB		 637 break;
638 }
639
640 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
641 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
642 cmsg->cmsg_len = CMSG_LEN(len);
643
3532fa74 644 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 645 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
646 memcpy(data, target_data, len);
647 } else {
648 int *fd = (int *)data;
649 int *target_fd = (int *)target_data;
650 int i, numfds = len / sizeof(int);
651
652 for (i = 0; i < numfds; i++)
653 fd[i] = tswap32(target_fd[i]);
654 }
655
656 cmsg = CMSG_NXTHDR(msgh, cmsg);
657 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
658 }
659
660 msgh->msg_controllen = space;
661}
662
53a5960a 663/* ??? Should this also swap msgh->name? */
7854b056
FB		 664static inline void host_to_target_cmsg(struct target_msghdr *target_msgh,
665 struct msghdr *msgh)
666{
667 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
668 struct target_cmsghdr *target_cmsg = TARGET_CMSG_FIRSTHDR(target_msgh);
669 socklen_t space = 0;
670
671 while (cmsg && target_cmsg) {
672 void *data = CMSG_DATA(cmsg);
673 void *target_data = TARGET_CMSG_DATA(target_cmsg);
674
675 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
676
677 space += TARGET_CMSG_SPACE(len);
678 if (space > tswapl(target_msgh->msg_controllen)) {
679 space -= TARGET_CMSG_SPACE(len);
31febb71 680 gemu_log("Target cmsg overflow\n");
7854b056
FB		 681 break;
682 }
683
684 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
685 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
686 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
687
3532fa74 688 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 689 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
690 memcpy(target_data, data, len);
691 } else {
692 int *fd = (int *)data;
693 int *target_fd = (int *)target_data;
694 int i, numfds = len / sizeof(int);
695
696 for (i = 0; i < numfds; i++)
697 target_fd[i] = tswap32(fd[i]);
698 }
699
700 cmsg = CMSG_NXTHDR(msgh, cmsg);
701 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
702 }
703
704 msgh->msg_controllen = tswapl(space);
705}
706
5fafdf24 707static long do_setsockopt(int sockfd, int level, int optname,
53a5960a 708 target_ulong optval, socklen_t optlen)
7854b056 709{
8853f86e 710 int val, ret;
3b46e624 711
8853f86e
FB		 712 switch(level) {
713 case SOL_TCP:
7854b056 714 /* TCP options all take an 'int' value. */
7854b056
FB		 715 if (optlen < sizeof(uint32_t))
716 return -EINVAL;
3b46e624 717
53a5960a 718 val = tget32(optval);
8853f86e
FB		 719 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
720 break;
721 case SOL_IP:
722 switch(optname) {
2efbe911
FB		 723 case IP_TOS:
724 case IP_TTL:
8853f86e 725 case IP_HDRINCL:
2efbe911
FB		 726 case IP_ROUTER_ALERT:
727 case IP_RECVOPTS:
728 case IP_RETOPTS:
729 case IP_PKTINFO:
730 case IP_MTU_DISCOVER:
731 case IP_RECVERR:
732 case IP_RECVTOS:
733#ifdef IP_FREEBIND
734 case IP_FREEBIND:
735#endif
736 case IP_MULTICAST_TTL:
737 case IP_MULTICAST_LOOP:
8853f86e
FB		 738 val = 0;
739 if (optlen >= sizeof(uint32_t)) {
53a5960a 740 val = tget32(optval);
8853f86e 741 } else if (optlen >= 1) {
53a5960a 742 val = tget8(optval);
8853f86e
FB		 743 }
744 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
745 break;
746 default:
747 goto unimplemented;
748 }
749 break;
3532fa74 750 case TARGET_SOL_SOCKET:
8853f86e
FB		 751 switch (optname) {
752 /* Options with 'int' argument. */
3532fa74
FB		 753 case TARGET_SO_DEBUG:
754 optname = SO_DEBUG;
755 break;
756 case TARGET_SO_REUSEADDR:
757 optname = SO_REUSEADDR;
758 break;
759 case TARGET_SO_TYPE:
760 optname = SO_TYPE;
761 break;
762 case TARGET_SO_ERROR:
763 optname = SO_ERROR;
764 break;
765 case TARGET_SO_DONTROUTE:
766 optname = SO_DONTROUTE;
767 break;
768 case TARGET_SO_BROADCAST:
769 optname = SO_BROADCAST;
770 break;
771 case TARGET_SO_SNDBUF:
772 optname = SO_SNDBUF;
773 break;
774 case TARGET_SO_RCVBUF:
775 optname = SO_RCVBUF;
776 break;
777 case TARGET_SO_KEEPALIVE:
778 optname = SO_KEEPALIVE;
779 break;
780 case TARGET_SO_OOBINLINE:
781 optname = SO_OOBINLINE;
782 break;
783 case TARGET_SO_NO_CHECK:
784 optname = SO_NO_CHECK;
785 break;
786 case TARGET_SO_PRIORITY:
787 optname = SO_PRIORITY;
788 break;
5e83e8e3 789#ifdef SO_BSDCOMPAT
3532fa74
FB		 790 case TARGET_SO_BSDCOMPAT:
791 optname = SO_BSDCOMPAT;
792 break;
5e83e8e3 793#endif
3532fa74
FB		 794 case TARGET_SO_PASSCRED:
795 optname = SO_PASSCRED;
796 break;
797 case TARGET_SO_TIMESTAMP:
798 optname = SO_TIMESTAMP;
799 break;
800 case TARGET_SO_RCVLOWAT:
801 optname = SO_RCVLOWAT;
802 break;
803 case TARGET_SO_RCVTIMEO:
804 optname = SO_RCVTIMEO;
805 break;
806 case TARGET_SO_SNDTIMEO:
807 optname = SO_SNDTIMEO;
808 break;
8853f86e
FB		 809 break;
810 default:
811 goto unimplemented;
812 }
3532fa74
FB		 813 if (optlen < sizeof(uint32_t))
814 return -EINVAL;
815
816 val = tget32(optval);
817 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 818 break;
7854b056 819 default:
8853f86e
FB		 820 unimplemented:
821 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
822 ret = -ENOSYS;
7854b056 823 }
8853f86e 824 return ret;
7854b056
FB		 825}
826
5fafdf24 827static long do_getsockopt(int sockfd, int level, int optname,
53a5960a 828 target_ulong optval, target_ulong optlen)
7854b056 829{
8853f86e
FB		 830 int len, lv, val, ret;
831
832 switch(level) {
3532fa74
FB		 833 case TARGET_SOL_SOCKET:
834 level = SOL_SOCKET;
8853f86e 835 switch (optname) {
3532fa74
FB		 836 case TARGET_SO_LINGER:
837 case TARGET_SO_RCVTIMEO:
838 case TARGET_SO_SNDTIMEO:
839 case TARGET_SO_PEERCRED:
840 case TARGET_SO_PEERNAME:
8853f86e
FB		 841 /* These don't just return a single integer */
842 goto unimplemented;
843 default:
2efbe911
FB		 844 goto int_case;
845 }
846 break;
847 case SOL_TCP:
848 /* TCP options all take an 'int' value. */
849 int_case:
53a5960a 850 len = tget32(optlen);
2efbe911
FB		 851 if (len < 0)
852 return -EINVAL;
853 lv = sizeof(int);
854 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
855 if (ret < 0)
856 return ret;
857 val = tswap32(val);
858 if (len > lv)
859 len = lv;
53a5960a
PB		 860 if (len == 4)
861 tput32(optval, val);
862 else
863 tput8(optval, val);
864 tput32(optlen, len);
2efbe911
FB		 865 break;
866 case SOL_IP:
867 switch(optname) {
868 case IP_TOS:
869 case IP_TTL:
870 case IP_HDRINCL:
871 case IP_ROUTER_ALERT:
872 case IP_RECVOPTS:
873 case IP_RETOPTS:
874 case IP_PKTINFO:
875 case IP_MTU_DISCOVER:
876 case IP_RECVERR:
877 case IP_RECVTOS:
878#ifdef IP_FREEBIND
879 case IP_FREEBIND:
880#endif
881 case IP_MULTICAST_TTL:
882 case IP_MULTICAST_LOOP:
53a5960a 883 len = tget32(optlen);
8853f86e
FB		 884 if (len < 0)
885 return -EINVAL;
886 lv = sizeof(int);
887 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
888 if (ret < 0)
889 return ret;
2efbe911 890 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 891 len = 1;
53a5960a
PB		 892 tput32(optlen, len);
893 tput8(optval, val);
2efbe911 894 } else {
2efbe911
FB		 895 if (len > sizeof(int))
896 len = sizeof(int);
53a5960a
PB		 897 tput32(optlen, len);
898 tput32(optval, val);
2efbe911 899 }
8853f86e 900 break;
2efbe911
FB		 901 default:
902 goto unimplemented;
8853f86e
FB		 903 }
904 break;
905 default:
906 unimplemented:
907 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
908 level, optname);
909 ret = -ENOSYS;
910 break;
911 }
912 return ret;
7854b056
FB		 913}
914
53a5960a
PB		 915static void lock_iovec(struct iovec *vec, target_ulong target_addr,
916 int count, int copy)
917{
918 struct target_iovec *target_vec;
919 target_ulong base;
920 int i;
921
922 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
923 for(i = 0;i < count; i++) {
924 base = tswapl(target_vec[i].iov_base);
925 vec[i].iov_len = tswapl(target_vec[i].iov_len);
926 vec[i].iov_base = lock_user(base, vec[i].iov_len, copy);
927 }
928 unlock_user (target_vec, target_addr, 0);
929}
930
931static void unlock_iovec(struct iovec *vec, target_ulong target_addr,
932 int count, int copy)
933{
934 struct target_iovec *target_vec;
935 target_ulong base;
936 int i;
937
938 target_vec = lock_user(target_addr, count * sizeof(struct target_iovec), 1);
939 for(i = 0;i < count; i++) {
940 base = tswapl(target_vec[i].iov_base);
941 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
942 }
943 unlock_user (target_vec, target_addr, 0);
944}
945
3532fa74
FB		 946static long do_socket(int domain, int type, int protocol)
947{
948#if defined(TARGET_MIPS)
949 switch(type) {
950 case TARGET_SOCK_DGRAM:
951 type = SOCK_DGRAM;
952 break;
953 case TARGET_SOCK_STREAM:
954 type = SOCK_STREAM;
955 break;
956 case TARGET_SOCK_RAW:
957 type = SOCK_RAW;
958 break;
959 case TARGET_SOCK_RDM:
960 type = SOCK_RDM;
961 break;
962 case TARGET_SOCK_SEQPACKET:
963 type = SOCK_SEQPACKET;
964 break;
965 case TARGET_SOCK_PACKET:
966 type = SOCK_PACKET;
967 break;
968 }
969#endif
970 return get_errno(socket(domain, type, protocol));
971}
972
973static long do_bind(int sockfd, target_ulong target_addr,
974 socklen_t addrlen)
975{
976 void *addr = alloca(addrlen);
3b46e624 977
3532fa74
FB		 978 target_to_host_sockaddr(addr, target_addr, addrlen);
979 return get_errno(bind(sockfd, addr, addrlen));
980}
981
982static long do_connect(int sockfd, target_ulong target_addr,
983 socklen_t addrlen)
984{
985 void *addr = alloca(addrlen);
3b46e624 986
3532fa74
FB		 987 target_to_host_sockaddr(addr, target_addr, addrlen);
988 return get_errno(connect(sockfd, addr, addrlen));
989}
990
991static long do_sendrecvmsg(int fd, target_ulong target_msg,
992 int flags, int send)
993{
994 long ret;
995 struct target_msghdr *msgp;
996 struct msghdr msg;
997 int count;
998 struct iovec *vec;
999 target_ulong target_vec;
1000
1001 lock_user_struct(msgp, target_msg, 1);
1002 if (msgp->msg_name) {
1003 msg.msg_namelen = tswap32(msgp->msg_namelen);
1004 msg.msg_name = alloca(msg.msg_namelen);
1005 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1006 msg.msg_namelen);
1007 } else {
1008 msg.msg_name = NULL;
1009 msg.msg_namelen = 0;
1010 }
1011 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1012 msg.msg_control = alloca(msg.msg_controllen);
1013 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1014
3532fa74
FB		 1015 count = tswapl(msgp->msg_iovlen);
1016 vec = alloca(count * sizeof(struct iovec));
1017 target_vec = tswapl(msgp->msg_iov);
1018 lock_iovec(vec, target_vec, count, send);
1019 msg.msg_iovlen = count;
1020 msg.msg_iov = vec;
3b46e624 1021
3532fa74
FB		 1022 if (send) {
1023 target_to_host_cmsg(&msg, msgp);
1024 ret = get_errno(sendmsg(fd, &msg, flags));
1025 } else {
1026 ret = get_errno(recvmsg(fd, &msg, flags));
1027 if (!is_error(ret))
1028 host_to_target_cmsg(msgp, &msg);
1029 }
1030 unlock_iovec(vec, target_vec, count, !send);
1031 return ret;
1032}
1033
1be9e1dc
PB		 1034static long do_accept(int fd, target_ulong target_addr,
1035 target_ulong target_addrlen)
1036{
1037 socklen_t addrlen = tget32(target_addrlen);
197ea35a 1038 void *addr = alloca(addrlen);
1be9e1dc
PB		 1039 long ret;
1040
1041 ret = get_errno(accept(fd, addr, &addrlen));
1042 if (!is_error(ret)) {
1043 host_to_target_sockaddr(target_addr, addr, addrlen);
1044 tput32(target_addrlen, addrlen);
1045 }
1046 return ret;
1047}
1048
1049static long do_getpeername(int fd, target_ulong target_addr,
1050 target_ulong target_addrlen)
1051{
1052 socklen_t addrlen = tget32(target_addrlen);
01c227fb 1053 void *addr = alloca(addrlen);
1be9e1dc
PB		 1054 long ret;
1055
1056 ret = get_errno(getpeername(fd, addr, &addrlen));
1057 if (!is_error(ret)) {
1058 host_to_target_sockaddr(target_addr, addr, addrlen);
1059 tput32(target_addrlen, addrlen);
1060 }
1061 return ret;
1062}
1063
1064static long do_getsockname(int fd, target_ulong target_addr,
1065 target_ulong target_addrlen)
1066{
1067 socklen_t addrlen = tget32(target_addrlen);
01c227fb 1068 void *addr = alloca(addrlen);
1be9e1dc
PB		 1069 long ret;
1070
1071 ret = get_errno(getsockname(fd, addr, &addrlen));
1072 if (!is_error(ret)) {
1073 host_to_target_sockaddr(target_addr, addr, addrlen);
1074 tput32(target_addrlen, addrlen);
1075 }
1076 return ret;
1077}
1078
1079static long do_socketpair(int domain, int type, int protocol,
1080 target_ulong target_tab)
1081{
1082 int tab[2];
1083 long ret;
1084
1085 ret = get_errno(socketpair(domain, type, protocol, tab));
1086 if (!is_error(ret)) {
1087 tput32(target_tab, tab[0]);
1088 tput32(target_tab + 4, tab[1]);
1089 }
1090 return ret;
1091}
1092
1093static long do_sendto(int fd, target_ulong msg, size_t len, int flags,
1094 target_ulong target_addr, socklen_t addrlen)
1095{
1096 void *addr;
1097 void *host_msg;
1098 long ret;
1099
1100 host_msg = lock_user(msg, len, 1);
1101 if (target_addr) {
1102 addr = alloca(addrlen);
1103 target_to_host_sockaddr(addr, target_addr, addrlen);
1104 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1105 } else {
1106 ret = get_errno(send(fd, host_msg, len, flags));
1107 }
1108 unlock_user(host_msg, msg, 0);
1109 return ret;
1110}
1111
1112static long do_recvfrom(int fd, target_ulong msg, size_t len, int flags,
1113 target_ulong target_addr, target_ulong target_addrlen)
1114{
1115 socklen_t addrlen;
1116 void *addr;
1117 void *host_msg;
1118 long ret;
1119
1120 host_msg = lock_user(msg, len, 0);
1121 if (target_addr) {
1122 addrlen = tget32(target_addrlen);
1123 addr = alloca(addrlen);
1124 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1125 } else {
1126 addr = NULL; /* To keep compiler quiet. */
1127 ret = get_errno(recv(fd, host_msg, len, flags));
1128 }
1129 if (!is_error(ret)) {
1130 if (target_addr) {
1131 host_to_target_sockaddr(target_addr, addr, addrlen);
1132 tput32(target_addrlen, addrlen);
1133 }
1134 unlock_user(host_msg, msg, len);
1135 } else {
1136 unlock_user(host_msg, msg, 0);
1137 }
1138 return ret;
1139}
1140
85aa199a 1141static long do_socketcall(int num, target_ulong vptr)
31e31b8a
FB		 1142{
1143 long ret;
53a5960a 1144 const int n = sizeof(target_ulong);
31e31b8a
FB		 1145
1146 switch(num) {
1147 case SOCKOP_socket:
7854b056 1148 {
53a5960a
PB		 1149 int domain = tgetl(vptr);
1150 int type = tgetl(vptr + n);
1151 int protocol = tgetl(vptr + 2 * n);
3532fa74 1152 ret = do_socket(domain, type, protocol);
7854b056 1153 }
31e31b8a
FB		 1154 break;
1155 case SOCKOP_bind:
7854b056 1156 {
53a5960a
PB		 1157 int sockfd = tgetl(vptr);
1158 target_ulong target_addr = tgetl(vptr + n);
1159 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 1160 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1161 }
31e31b8a
FB		 1162 break;
1163 case SOCKOP_connect:
7854b056 1164 {
53a5960a
PB		 1165 int sockfd = tgetl(vptr);
1166 target_ulong target_addr = tgetl(vptr + n);
1167 socklen_t addrlen = tgetl(vptr + 2 * n);
3532fa74 1168 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1169 }
31e31b8a
FB		 1170 break;
1171 case SOCKOP_listen:
7854b056 1172 {
53a5960a
PB		 1173 int sockfd = tgetl(vptr);
1174 int backlog = tgetl(vptr + n);
7854b056
FB		 1175 ret = get_errno(listen(sockfd, backlog));
1176 }
31e31b8a
FB		 1177 break;
1178 case SOCKOP_accept:
1179 {
53a5960a
PB		 1180 int sockfd = tgetl(vptr);
1181 target_ulong target_addr = tgetl(vptr + n);
1182 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1183 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1184 }
1185 break;
1186 case SOCKOP_getsockname:
1187 {
53a5960a
PB		 1188 int sockfd = tgetl(vptr);
1189 target_ulong target_addr = tgetl(vptr + n);
1190 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1191 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1192 }
1193 break;
1194 case SOCKOP_getpeername:
1195 {
53a5960a
PB		 1196 int sockfd = tgetl(vptr);
1197 target_ulong target_addr = tgetl(vptr + n);
1198 target_ulong target_addrlen = tgetl(vptr + 2 * n);
1be9e1dc 1199 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1200 }
1201 break;
1202 case SOCKOP_socketpair:
1203 {
53a5960a
PB		 1204 int domain = tgetl(vptr);
1205 int type = tgetl(vptr + n);
1206 int protocol = tgetl(vptr + 2 * n);
1be9e1dc
PB		 1207 target_ulong tab = tgetl(vptr + 3 * n);
1208 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1209 }
1210 break;
1211 case SOCKOP_send:
7854b056 1212 {
53a5960a
PB		 1213 int sockfd = tgetl(vptr);
1214 target_ulong msg = tgetl(vptr + n);
1215 size_t len = tgetl(vptr + 2 * n);
1216 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1217 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1218 }
31e31b8a
FB		 1219 break;
1220 case SOCKOP_recv:
7854b056 1221 {
53a5960a
PB		 1222 int sockfd = tgetl(vptr);
1223 target_ulong msg = tgetl(vptr + n);
1224 size_t len = tgetl(vptr + 2 * n);
1225 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1226 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1227 }
31e31b8a
FB		 1228 break;
1229 case SOCKOP_sendto:
7854b056 1230 {
53a5960a
PB		 1231 int sockfd = tgetl(vptr);
1232 target_ulong msg = tgetl(vptr + n);
1233 size_t len = tgetl(vptr + 2 * n);
1234 int flags = tgetl(vptr + 3 * n);
1be9e1dc 1235 target_ulong addr = tgetl(vptr + 4 * n);
53a5960a 1236 socklen_t addrlen = tgetl(vptr + 5 * n);
1be9e1dc 1237 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1238 }
31e31b8a
FB		 1239 break;
1240 case SOCKOP_recvfrom:
1241 {
53a5960a
PB		 1242 int sockfd = tgetl(vptr);
1243 target_ulong msg = tgetl(vptr + n);
1244 size_t len = tgetl(vptr + 2 * n);
1245 int flags = tgetl(vptr + 3 * n);
1be9e1dc
PB		 1246 target_ulong addr = tgetl(vptr + 4 * n);
1247 target_ulong addrlen = tgetl(vptr + 5 * n);
1248 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1249 }
1250 break;
1251 case SOCKOP_shutdown:
7854b056 1252 {
53a5960a
PB		 1253 int sockfd = tgetl(vptr);
1254 int how = tgetl(vptr + n);
7854b056
FB		 1255
1256 ret = get_errno(shutdown(sockfd, how));
1257 }
31e31b8a
FB		 1258 break;
1259 case SOCKOP_sendmsg:
1260 case SOCKOP_recvmsg:
1a9353d2
FB		 1261 {
1262 int fd;
53a5960a 1263 target_ulong target_msg;
3532fa74 1264 int flags;
1a9353d2 1265
53a5960a 1266 fd = tgetl(vptr);
3532fa74 1267 target_msg = tgetl(vptr + n);
53a5960a 1268 flags = tgetl(vptr + 2 * n);
3532fa74 1269
5fafdf24 1270 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 1271 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1272 }
1273 break;
31e31b8a 1274 case SOCKOP_setsockopt:
7854b056 1275 {
53a5960a
PB		 1276 int sockfd = tgetl(vptr);
1277 int level = tgetl(vptr + n);
1278 int optname = tgetl(vptr + 2 * n);
1279 target_ulong optval = tgetl(vptr + 3 * n);
1280 socklen_t optlen = tgetl(vptr + 4 * n);
7854b056
FB		 1281
1282 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1283 }
1284 break;
31e31b8a 1285 case SOCKOP_getsockopt:
7854b056 1286 {
53a5960a
PB		 1287 int sockfd = tgetl(vptr);
1288 int level = tgetl(vptr + n);
1289 int optname = tgetl(vptr + 2 * n);
1290 target_ulong optval = tgetl(vptr + 3 * n);
1291 target_ulong poptlen = tgetl(vptr + 4 * n);
7854b056 1292
8853f86e 1293 ret = do_getsockopt(sockfd, level, optname, optval, poptlen);
7854b056
FB		 1294 }
1295 break;
31e31b8a
FB		 1296 default:
1297 gemu_log("Unsupported socketcall: %d\n", num);
1298 ret = -ENOSYS;
1299 break;
1300 }
1301 return ret;
1302}
1303
8853f86e
FB		 1304#define N_SHM_REGIONS 32
1305
1306static struct shm_region {
1307 uint32_t start;
1308 uint32_t size;
1309} shm_regions[N_SHM_REGIONS];
1310
3eb6b044
TS		 1311struct target_ipc_perm
1312{
1313 target_long __key;
1314 target_ulong uid;
1315 target_ulong gid;
1316 target_ulong cuid;
1317 target_ulong cgid;
1318 unsigned short int mode;
1319 unsigned short int __pad1;
1320 unsigned short int __seq;
1321 unsigned short int __pad2;
1322 target_ulong __unused1;
1323 target_ulong __unused2;
1324};
1325
1326struct target_semid_ds
1327{
1328 struct target_ipc_perm sem_perm;
1329 target_ulong sem_otime;
1330 target_ulong __unused1;
1331 target_ulong sem_ctime;
1332 target_ulong __unused2;
1333 target_ulong sem_nsems;
1334 target_ulong __unused3;
1335 target_ulong __unused4;
1336};
1337
1338static inline void target_to_host_ipc_perm(struct ipc_perm *host_ip,
1339 target_ulong target_addr)
1340{
1341 struct target_ipc_perm *target_ip;
1342 struct target_semid_ds *target_sd;
1343
1344 lock_user_struct(target_sd, target_addr, 1);
1345 target_ip=&(target_sd->sem_perm);
1346 host_ip->__key = tswapl(target_ip->__key);
1347 host_ip->uid = tswapl(target_ip->uid);
1348 host_ip->gid = tswapl(target_ip->gid);
1349 host_ip->cuid = tswapl(target_ip->cuid);
1350 host_ip->cgid = tswapl(target_ip->cgid);
1351 host_ip->mode = tswapl(target_ip->mode);
1352 unlock_user_struct(target_sd, target_addr, 0);
1353}
1354
1355static inline void host_to_target_ipc_perm(target_ulong target_addr,
1356 struct ipc_perm *host_ip)
1357{
1358 struct target_ipc_perm *target_ip;
1359 struct target_semid_ds *target_sd;
1360
1361 lock_user_struct(target_sd, target_addr, 0);
1362 target_ip = &(target_sd->sem_perm);
1363 target_ip->__key = tswapl(host_ip->__key);
1364 target_ip->uid = tswapl(host_ip->uid);
1365 target_ip->gid = tswapl(host_ip->gid);
1366 target_ip->cuid = tswapl(host_ip->cuid);
1367 target_ip->cgid = tswapl(host_ip->cgid);
1368 target_ip->mode = tswapl(host_ip->mode);
1369 unlock_user_struct(target_sd, target_addr, 1);
1370}
1371
1372static inline void target_to_host_semid_ds(struct semid_ds *host_sd,
1373 target_ulong target_addr)
1374{
1375 struct target_semid_ds *target_sd;
1376
1377 lock_user_struct(target_sd, target_addr, 1);
1378 target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr);
1379 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
1380 host_sd->sem_otime = tswapl(target_sd->sem_otime);
1381 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
1382 unlock_user_struct(target_sd, target_addr, 0);
1383}
1384
1385static inline void host_to_target_semid_ds(target_ulong target_addr,
1386 struct semid_ds *host_sd)
1387{
1388 struct target_semid_ds *target_sd;
1389
1390 lock_user_struct(target_sd, target_addr, 0);
1391 host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm));
1392 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
1393 target_sd->sem_otime = tswapl(host_sd->sem_otime);
1394 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
1395 unlock_user_struct(target_sd, target_addr, 1);
1396}
1397
fa294816
TS		 1398union semun {
1399 int val;
3eb6b044 1400 struct semid_ds *buf;
fa294816
TS		 1401 unsigned short *array;
1402};
1403
3eb6b044
TS		 1404union target_semun {
1405 int val;
1406 target_long buf;
1407 unsigned short int *array;
1408};
1409
1410static inline void target_to_host_semun(unsigned long cmd,
1411 union semun *host_su,
1412 target_ulong target_addr,
1413 struct semid_ds *ds)
1414{
1415 union target_semun *target_su;
1416
1417 switch( cmd ) {
1418 case IPC_STAT:
1419 case IPC_SET:
1420 lock_user_struct(target_su, target_addr, 1);
1421 target_to_host_semid_ds(ds,target_su->buf);
1422 host_su->buf = ds;
1423 unlock_user_struct(target_su, target_addr, 0);
1424 break;
1425 case GETVAL:
1426 case SETVAL:
1427 lock_user_struct(target_su, target_addr, 1);
1428 host_su->val = tswapl(target_su->val);
1429 unlock_user_struct(target_su, target_addr, 0);
1430 break;
1431 case GETALL:
1432 case SETALL:
1433 lock_user_struct(target_su, target_addr, 1);
1434 *host_su->array = tswap16(*target_su->array);
1435 unlock_user_struct(target_su, target_addr, 0);
1436 break;
1437 default:
1438 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1439 }
1440}
1441
1442static inline void host_to_target_semun(unsigned long cmd,
1443 target_ulong target_addr,
1444 union semun *host_su,
1445 struct semid_ds *ds)
1446{
1447 union target_semun *target_su;
1448
1449 switch( cmd ) {
1450 case IPC_STAT:
1451 case IPC_SET:
1452 lock_user_struct(target_su, target_addr, 0);
1453 host_to_target_semid_ds(target_su->buf,ds);
1454 unlock_user_struct(target_su, target_addr, 1);
1455 break;
1456 case GETVAL:
1457 case SETVAL:
1458 lock_user_struct(target_su, target_addr, 0);
1459 target_su->val = tswapl(host_su->val);
1460 unlock_user_struct(target_su, target_addr, 1);
1461 break;
1462 case GETALL:
1463 case SETALL:
1464 lock_user_struct(target_su, target_addr, 0);
1465 *target_su->array = tswap16(*host_su->array);
1466 unlock_user_struct(target_su, target_addr, 1);
1467 break;
1468 default:
1469 gemu_log("semun operation not fully supported: %d\n", (int)cmd);
1470 }
1471}
1472
1473static inline long do_semctl(long first, long second, long third, long ptr)
1474{
1475 union semun arg;
1476 struct semid_ds dsarg;
1477 int cmd = third&0xff;
1478 long ret = 0;
1479
1480 switch( cmd ) {
1481 case GETVAL:
1482 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1483 ret = get_errno(semctl(first, second, cmd, arg));
1484 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1485 break;
1486 case SETVAL:
1487 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1488 ret = get_errno(semctl(first, second, cmd, arg));
1489 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1490 break;
1491 case GETALL:
1492 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1493 ret = get_errno(semctl(first, second, cmd, arg));
1494 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1495 break;
1496 case SETALL:
1497 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1498 ret = get_errno(semctl(first, second, cmd, arg));
1499 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1500 break;
1501 case IPC_STAT:
1502 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1503 ret = get_errno(semctl(first, second, cmd, arg));
1504 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1505 break;
1506 case IPC_SET:
1507 target_to_host_semun(cmd,&arg,ptr,&dsarg);
1508 ret = get_errno(semctl(first, second, cmd, arg));
1509 host_to_target_semun(cmd,ptr,&arg,&dsarg);
1510 break;
1511 default:
1512 ret = get_errno(semctl(first, second, cmd, arg));
1513 }
1514
1515 return ret;
1516}
1517
1bc012f6
TS		 1518struct target_msqid_ds
1519{
1520 struct target_ipc_perm msg_perm;
1521 target_ulong msg_stime;
1522 target_ulong __unused1;
1523 target_ulong msg_rtime;
1524 target_ulong __unused2;
1525 target_ulong msg_ctime;
1526 target_ulong __unused3;
1527 target_ulong __msg_cbytes;
1528 target_ulong msg_qnum;
1529 target_ulong msg_qbytes;
1530 target_ulong msg_lspid;
1531 target_ulong msg_lrpid;
1532 target_ulong __unused4;
1533 target_ulong __unused5;
1534};
1535
1536static inline void target_to_host_msqid_ds(struct msqid_ds *host_md,
1537 target_ulong target_addr)
1538{
1539 struct target_msqid_ds *target_md;
1540
1541 lock_user_struct(target_md, target_addr, 1);
1542 target_to_host_ipc_perm(&(host_md->msg_perm),target_addr);
1543 host_md->msg_stime = tswapl(target_md->msg_stime);
1544 host_md->msg_rtime = tswapl(target_md->msg_rtime);
1545 host_md->msg_ctime = tswapl(target_md->msg_ctime);
1546 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
1547 host_md->msg_qnum = tswapl(target_md->msg_qnum);
1548 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
1549 host_md->msg_lspid = tswapl(target_md->msg_lspid);
1550 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
1551 unlock_user_struct(target_md, target_addr, 0);
1552}
1553
1554static inline void host_to_target_msqid_ds(target_ulong target_addr,
1555 struct msqid_ds *host_md)
1556{
1557 struct target_msqid_ds *target_md;
1558
1559 lock_user_struct(target_md, target_addr, 0);
1560 host_to_target_ipc_perm(target_addr,&(host_md->msg_perm));
1561 target_md->msg_stime = tswapl(host_md->msg_stime);
1562 target_md->msg_rtime = tswapl(host_md->msg_rtime);
1563 target_md->msg_ctime = tswapl(host_md->msg_ctime);
1564 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
1565 target_md->msg_qnum = tswapl(host_md->msg_qnum);
1566 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
1567 target_md->msg_lspid = tswapl(host_md->msg_lspid);
1568 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
1569 unlock_user_struct(target_md, target_addr, 1);
1570}
1571
1572static inline long do_msgctl(long first, long second, long ptr)
1573{
1574 struct msqid_ds dsarg;
1575 int cmd = second&0xff;
1576 long ret = 0;
1577 switch( cmd ) {
1578 case IPC_STAT:
1579 case IPC_SET:
1580 target_to_host_msqid_ds(&dsarg,ptr);
1581 ret = get_errno(msgctl(first, cmd, &dsarg));
1582 host_to_target_msqid_ds(ptr,&dsarg);
1583 default:
1584 ret = get_errno(msgctl(first, cmd, &dsarg));
1585 }
1586 return ret;
1587}
1588
1589struct target_msgbuf {
1590 target_ulong mtype;
1591 char mtext[1];
1592};
1593
1594static inline long do_msgsnd(long msqid, long msgp, long msgsz, long msgflg)
1595{
1596 struct target_msgbuf *target_mb;
1597 struct msgbuf *host_mb;
1598 long ret = 0;
1599
1600 lock_user_struct(target_mb,msgp,0);
1601 host_mb = malloc(msgsz+sizeof(long));
1602 host_mb->mtype = tswapl(target_mb->mtype);
1603 memcpy(host_mb->mtext,target_mb->mtext,msgsz);
1604 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
1605 free(host_mb);
1606 unlock_user_struct(target_mb, msgp, 0);
1607
1608 return ret;
1609}
1610
1611static inline long do_msgrcv(long msqid, long msgp, long msgsz, long msgtype, long msgflg)
1612{
1613 struct target_msgbuf *target_mb;
1614 struct msgbuf *host_mb;
1615 long ret = 0;
1616
1617 lock_user_struct(target_mb, msgp, 0);
1618 host_mb = malloc(msgsz+sizeof(long));
1619 ret = get_errno(msgrcv(msqid, host_mb, msgsz, 1, msgflg));
1620 if (ret > 0)
1621 memcpy(target_mb->mtext, host_mb->mtext, ret);
1622 target_mb->mtype = tswapl(host_mb->mtype);
1623 free(host_mb);
1624 unlock_user_struct(target_mb, msgp, 0);
1625
1626 return ret;
1627}
1628
53a5960a 1629/* ??? This only works with linear mappings. */
8853f86e
FB		 1630static long do_ipc(long call, long first, long second, long third,
1631 long ptr, long fifth)
1632{
1633 int version;
1634 long ret = 0;
1635 unsigned long raddr;
1636 struct shmid_ds shm_info;
1637 int i;
1638
1639 version = call >> 16;
1640 call &= 0xffff;
1641
1642 switch (call) {
fa294816
TS		 1643 case IPCOP_semop:
1644 ret = get_errno(semop(first,(struct sembuf *) ptr, second));
1645 break;
1646
1647 case IPCOP_semget:
1648 ret = get_errno(semget(first, second, third));
1649 break;
1650
1651 case IPCOP_semctl:
3eb6b044 1652 ret = do_semctl(first, second, third, ptr);
fa294816
TS		 1653 break;
1654
1655 case IPCOP_semtimedop:
1656 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1657 ret = -ENOSYS;
1658 break;
d96372ef
TS		 1659
1660 case IPCOP_msgget:
1661 ret = get_errno(msgget(first, second));
1662 break;
1663
1664 case IPCOP_msgsnd:
1bc012f6 1665 ret = do_msgsnd(first, ptr, second, third);
d96372ef
TS		 1666 break;
1667
1668 case IPCOP_msgctl:
1bc012f6 1669 ret = do_msgctl(first, second, ptr);
d96372ef
TS		 1670 break;
1671
1672 case IPCOP_msgrcv:
1bc012f6
TS		 1673 {
1674 struct ipc_kludge
1675 {
1676 void *__unbounded msgp;
1677 long int msgtyp;
1678 };
d96372ef 1679
1bc012f6
TS		 1680 struct ipc_kludge *foo = (struct ipc_kludge *) ptr;
1681 struct msgbuf *msgp = (struct msgbuf *) foo->msgp;
d96372ef 1682
1bc012f6 1683 ret = do_msgrcv(first, (long)msgp, second, 0, third);
d96372ef 1684
1bc012f6 1685 }
d96372ef
TS		 1686 break;
1687
8853f86e
FB		 1688 case IPCOP_shmat:
1689 /* SHM_* flags are the same on all linux platforms */
1690 ret = get_errno((long) shmat(first, (void *) ptr, second));
1691 if (is_error(ret))
1692 break;
1693 raddr = ret;
1694 /* find out the length of the shared memory segment */
3b46e624 1695
8853f86e
FB		 1696 ret = get_errno(shmctl(first, IPC_STAT, &shm_info));
1697 if (is_error(ret)) {
1698 /* can't get length, bail out */
1699 shmdt((void *) raddr);
1700 break;
1701 }
1702 page_set_flags(raddr, raddr + shm_info.shm_segsz,
1703 PAGE_VALID | PAGE_READ |
1704 ((second & SHM_RDONLY)? 0: PAGE_WRITE));
1705 for (i = 0; i < N_SHM_REGIONS; ++i) {
1706 if (shm_regions[i].start == 0) {
1707 shm_regions[i].start = raddr;
1708 shm_regions[i].size = shm_info.shm_segsz;
1709 break;
1710 }
1711 }
1712 if (put_user(raddr, (uint32_t *)third))
1713 return -EFAULT;
1714 ret = 0;
1715 break;
1716 case IPCOP_shmdt:
1717 for (i = 0; i < N_SHM_REGIONS; ++i) {
1718 if (shm_regions[i].start == ptr) {
1719 shm_regions[i].start = 0;
1720 page_set_flags(ptr, shm_regions[i].size, 0);
1721 break;
1722 }
1723 }
1724 ret = get_errno(shmdt((void *) ptr));
1725 break;
1726
1727 case IPCOP_shmget:
1728 /* IPC_* flag values are the same on all linux platforms */
1729 ret = get_errno(shmget(first, second, third));
1730 break;
1731
1732 /* IPC_* and SHM_* command values are the same on all linux platforms */
1733 case IPCOP_shmctl:
1734 switch(second) {
1735 case IPC_RMID:
1736 case SHM_LOCK:
1737 case SHM_UNLOCK:
1738 ret = get_errno(shmctl(first, second, NULL));
1739 break;
1740 default:
1741 goto unimplemented;
1742 }
1743 break;
1744 default:
1745 unimplemented:
1746 gemu_log("Unsupported ipc call: %ld (version %d)\n", call, version);
1747 ret = -ENOSYS;
1748 break;
1749 }
1750 return ret;
1751}
1752
31e31b8a
FB		 1753/* kernel structure types definitions */
1754#define IFNAMSIZ 16
1755
1756#define STRUCT(name, list...) STRUCT_ ## name,
1757#define STRUCT_SPECIAL(name) STRUCT_ ## name,
1758enum {
1759#include "syscall_types.h"
1760};
1761#undef STRUCT
1762#undef STRUCT_SPECIAL
1763
1764#define STRUCT(name, list...) const argtype struct_ ## name ## _def[] = { list, TYPE_NULL };
1765#define STRUCT_SPECIAL(name)
1766#include "syscall_types.h"
1767#undef STRUCT
1768#undef STRUCT_SPECIAL
1769
1770typedef struct IOCTLEntry {
2ab83ea7
FB		 1771 unsigned int target_cmd;
1772 unsigned int host_cmd;
31e31b8a
FB		 1773 const char *name;
1774 int access;
1a9353d2 1775 const argtype arg_type[5];
31e31b8a
FB		 1776} IOCTLEntry;
1777
1778#define IOC_R 0x0001
1779#define IOC_W 0x0002
1780#define IOC_RW (IOC_R | IOC_W)
1781
1782#define MAX_STRUCT_SIZE 4096
1783
2ab83ea7 1784IOCTLEntry ioctl_entries[] = {
31e31b8a
FB		 1785#define IOCTL(cmd, access, types...) \
1786 { TARGET_ ## cmd, cmd, #cmd, access, { types } },
1787#include "ioctls.h"
1788 { 0, 0, },
1789};
1790
53a5960a 1791/* ??? Implement proper locking for ioctls. */
31e31b8a
FB		 1792static long do_ioctl(long fd, long cmd, long arg)
1793{
1794 const IOCTLEntry *ie;
1795 const argtype *arg_type;
1796 long ret;
1797 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 1798 int target_size;
1799 void *argptr;
31e31b8a
FB		 1800
1801 ie = ioctl_entries;
1802 for(;;) {
1803 if (ie->target_cmd == 0) {
1804 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", cmd);
1805 return -ENOSYS;
1806 }
1807 if (ie->target_cmd == cmd)
1808 break;
1809 ie++;
1810 }
1811 arg_type = ie->arg_type;
9de5e440 1812#if defined(DEBUG)
72f03900
FB		 1813 gemu_log("ioctl: cmd=0x%04lx (%s)\n", cmd, ie->name);
1814#endif
31e31b8a
FB		 1815 switch(arg_type[0]) {
1816 case TYPE_NULL:
1817 /* no argument */
1818 ret = get_errno(ioctl(fd, ie->host_cmd));
1819 break;
1820 case TYPE_PTRVOID:
1821 case TYPE_INT:
1822 /* int argment */
1823 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
1824 break;
1825 case TYPE_PTR:
1826 arg_type++;
53a5960a 1827 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 1828 switch(ie->access) {
1829 case IOC_R:
1830 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1831 if (!is_error(ret)) {
53a5960a
PB		 1832 argptr = lock_user(arg, target_size, 0);
1833 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1834 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1835 }
1836 break;
1837 case IOC_W:
53a5960a
PB		 1838 argptr = lock_user(arg, target_size, 1);
1839 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1840 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1841 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1842 break;
1843 default:
1844 case IOC_RW:
53a5960a
PB		 1845 argptr = lock_user(arg, target_size, 1);
1846 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
1847 unlock_user(argptr, arg, 0);
31e31b8a
FB		 1848 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
1849 if (!is_error(ret)) {
53a5960a
PB		 1850 argptr = lock_user(arg, target_size, 0);
1851 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
1852 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 1853 }
1854 break;
1855 }
1856 break;
1857 default:
1858 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n", cmd, arg_type[0]);
1859 ret = -ENOSYS;
1860 break;
1861 }
1862 return ret;
1863}
1864
1865bitmask_transtbl iflag_tbl[] = {
1866 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
1867 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
1868 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
1869 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
1870 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
1871 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
1872 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
1873 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
1874 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
1875 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
1876 { TARGET_IXON, TARGET_IXON, IXON, IXON },
1877 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
1878 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
1879 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
1880 { 0, 0, 0, 0 }
1881};
1882
1883bitmask_transtbl oflag_tbl[] = {
1884 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
1885 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
1886 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
1887 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
1888 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
1889 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
1890 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
1891 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
1892 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
1893 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
1894 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
1895 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
1896 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
1897 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
1898 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
1899 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
1900 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
1901 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
1902 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
1903 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
1904 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
1905 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
1906 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
1907 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
1908 { 0, 0, 0, 0 }
1909};
1910
1911bitmask_transtbl cflag_tbl[] = {
1912 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
1913 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
1914 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
1915 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
1916 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
1917 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
1918 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
1919 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
1920 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
1921 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
1922 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
1923 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
1924 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
1925 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
1926 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
1927 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
1928 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
1929 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
1930 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
1931 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
1932 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
1933 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
1934 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
1935 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
1936 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
1937 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
1938 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
1939 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
1940 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
1941 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
1942 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
1943 { 0, 0, 0, 0 }
1944};
1945
1946bitmask_transtbl lflag_tbl[] = {
1947 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
1948 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
1949 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
1950 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
1951 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
1952 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
1953 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
1954 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
1955 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
1956 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
1957 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
1958 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
1959 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
1960 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
1961 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
1962 { 0, 0, 0, 0 }
1963};
1964
1965static void target_to_host_termios (void *dst, const void *src)
1966{
1967 struct host_termios *host = dst;
1968 const struct target_termios *target = src;
3b46e624 1969
5fafdf24 1970 host->c_iflag =
31e31b8a 1971 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 1972 host->c_oflag =
31e31b8a 1973 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 1974 host->c_cflag =
31e31b8a 1975 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 1976 host->c_lflag =
31e31b8a
FB		 1977 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
1978 host->c_line = target->c_line;
3b46e624 1979
5fafdf24
TS		 1980 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
1981 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 1982 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 1983 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 1984 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 1985 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 1986 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 1987 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 1988 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 1989 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
1990 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 1991 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
1992 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
1993 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
1994 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
1995 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 1996 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 1997}
3b46e624 1998
31e31b8a
FB		 1999static void host_to_target_termios (void *dst, const void *src)
2000{
2001 struct target_termios *target = dst;
2002 const struct host_termios *host = src;
2003
5fafdf24 2004 target->c_iflag =
31e31b8a 2005 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 2006 target->c_oflag =
31e31b8a 2007 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 2008 target->c_cflag =
31e31b8a 2009 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 2010 target->c_lflag =
31e31b8a
FB		 2011 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
2012 target->c_line = host->c_line;
3b46e624 2013
31e31b8a
FB		 2014 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
2015 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
2016 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
2017 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
2018 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
2019 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
2020 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
2021 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
2022 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
2023 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
2024 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
2025 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
2026 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
2027 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
2028 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
2029 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
2030 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
2031}
2032
2033StructEntry struct_termios_def = {
2034 .convert = { host_to_target_termios, target_to_host_termios },
2035 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
2036 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
2037};
2038
5286db75
FB		 2039static bitmask_transtbl mmap_flags_tbl[] = {
2040 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
2041 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
2042 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
2043 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
2044 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
2045 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
2046 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
2047 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
2048 { 0, 0, 0, 0 }
2049};
2050
ffa65c3b
FB		 2051static bitmask_transtbl fcntl_flags_tbl[] = {
2052 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
2053 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
2054 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
2055 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
2056 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
2057 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
2058 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
2059 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
2060 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
2061 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
2062 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
2063 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
2064 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
121061dc 2065#if defined(O_DIRECT)
ffa65c3b 2066 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
121061dc 2067#endif
ffa65c3b
FB		 2068 { 0, 0, 0, 0 }
2069};
2070
2ab83ea7 2071#if defined(TARGET_I386)
6dbad63e
FB		 2072
2073/* NOTE: there is really one LDT for all the threads */
2074uint8_t *ldt_table;
2075
53a5960a 2076static int read_ldt(target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 2077{
2078 int size;
53a5960a 2079 void *p;
6dbad63e
FB		 2080
2081 if (!ldt_table)
2082 return 0;
2083 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
2084 if (size > bytecount)
2085 size = bytecount;
53a5960a
PB		 2086 p = lock_user(ptr, size, 0);
2087 /* ??? Shoudl this by byteswapped? */
2088 memcpy(p, ldt_table, size);
2089 unlock_user(p, ptr, size);
6dbad63e
FB		 2090 return size;
2091}
2092
2093/* XXX: add locking support */
5fafdf24 2094static int write_ldt(CPUX86State *env,
53a5960a 2095 target_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 2096{
2097 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 2098 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e
FB		 2099 int seg_32bit, contents, read_exec_only, limit_in_pages;
2100 int seg_not_present, useable;
2101 uint32_t *lp, entry_1, entry_2;
2102
2103 if (bytecount != sizeof(ldt_info))
2104 return -EINVAL;
53a5960a
PB		 2105 lock_user_struct(target_ldt_info, ptr, 1);
2106 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
2107 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
2108 ldt_info.limit = tswap32(target_ldt_info->limit);
2109 ldt_info.flags = tswap32(target_ldt_info->flags);
2110 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 2111
6dbad63e
FB		 2112 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
2113 return -EINVAL;
2114 seg_32bit = ldt_info.flags & 1;
2115 contents = (ldt_info.flags >> 1) & 3;
2116 read_exec_only = (ldt_info.flags >> 3) & 1;
2117 limit_in_pages = (ldt_info.flags >> 4) & 1;
2118 seg_not_present = (ldt_info.flags >> 5) & 1;
2119 useable = (ldt_info.flags >> 6) & 1;
2120
2121 if (contents == 3) {
2122 if (oldmode)
2123 return -EINVAL;
2124 if (seg_not_present == 0)
2125 return -EINVAL;
2126 }
2127 /* allocate the LDT */
2128 if (!ldt_table) {
2129 ldt_table = malloc(TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
2130 if (!ldt_table)
2131 return -ENOMEM;
2132 memset(ldt_table, 0, TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
53a5960a 2133 env->ldt.base = h2g(ldt_table);
6dbad63e
FB		 2134 env->ldt.limit = 0xffff;
2135 }
2136
2137 /* NOTE: same code as Linux kernel */
2138 /* Allow LDTs to be cleared by the user. */
2139 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
2140 if (oldmode ||
2141 (contents == 0 &&
2142 read_exec_only == 1 &&
2143 seg_32bit == 0 &&
2144 limit_in_pages == 0 &&
2145 seg_not_present == 1 &&
2146 useable == 0 )) {
2147 entry_1 = 0;
2148 entry_2 = 0;
2149 goto install;
2150 }
2151 }
3b46e624 2152
6dbad63e
FB		 2153 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
2154 (ldt_info.limit & 0x0ffff);
2155 entry_2 = (ldt_info.base_addr & 0xff000000) |
2156 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
2157 (ldt_info.limit & 0xf0000) |
2158 ((read_exec_only ^ 1) << 9) |
2159 (contents << 10) |
2160 ((seg_not_present ^ 1) << 15) |
2161 (seg_32bit << 22) |
2162 (limit_in_pages << 23) |
2163 0x7000;
2164 if (!oldmode)
2165 entry_2 |= (useable << 20);
14ae3ba7 2166
6dbad63e
FB		 2167 /* Install the new entry ... */
2168install:
2169 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
2170 lp[0] = tswap32(entry_1);
2171 lp[1] = tswap32(entry_2);
2172 return 0;
2173}
2174
2175/* specific and weird i386 syscalls */
53a5960a 2176int do_modify_ldt(CPUX86State *env, int func, target_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 2177{
2178 int ret = -ENOSYS;
3b46e624 2179
6dbad63e
FB		 2180 switch (func) {
2181 case 0:
2182 ret = read_ldt(ptr, bytecount);
2183 break;
2184 case 1:
2185 ret = write_ldt(env, ptr, bytecount, 1);
2186 break;
2187 case 0x11:
2188 ret = write_ldt(env, ptr, bytecount, 0);
2189 break;
2190 }
2191 return ret;
2192}
1b6b029e 2193
2ab83ea7
FB		 2194#endif /* defined(TARGET_I386) */
2195
1b6b029e
FB		 2196/* this stack is the equivalent of the kernel stack associated with a
2197 thread/process */
2198#define NEW_STACK_SIZE 8192
2199
2200static int clone_func(void *arg)
2201{
2ab83ea7 2202 CPUState *env = arg;
1b6b029e
FB		 2203 cpu_loop(env);
2204 /* never exits */
2205 return 0;
2206}
2207
2ab83ea7 2208int do_fork(CPUState *env, unsigned int flags, unsigned long newsp)
1b6b029e
FB		 2209{
2210 int ret;
5cd4393b 2211 TaskState *ts;
1b6b029e 2212 uint8_t *new_stack;
2ab83ea7 2213 CPUState *new_env;
3b46e624 2214
1b6b029e 2215 if (flags & CLONE_VM) {
5cd4393b
FB		 2216 ts = malloc(sizeof(TaskState) + NEW_STACK_SIZE);
2217 memset(ts, 0, sizeof(TaskState));
2218 new_stack = ts->stack;
2219 ts->used = 1;
2220 /* add in task state list */
2221 ts->next = first_task_state;
2222 first_task_state = ts;
1b6b029e 2223 /* we create a new CPU instance. */
c5be9f08 2224 new_env = cpu_copy(env);
2ab83ea7
FB		 2225#if defined(TARGET_I386)
2226 if (!newsp)
2227 newsp = env->regs[R_ESP];
1b6b029e
FB		 2228 new_env->regs[R_ESP] = newsp;
2229 new_env->regs[R_EAX] = 0;
2ab83ea7
FB		 2230#elif defined(TARGET_ARM)
2231 if (!newsp)
2232 newsp = env->regs[13];
2233 new_env->regs[13] = newsp;
2234 new_env->regs[0] = 0;
ebc05488 2235#elif defined(TARGET_SPARC)
48dc41eb
FB		 2236 if (!newsp)
2237 newsp = env->regwptr[22];
2238 new_env->regwptr[22] = newsp;
2239 new_env->regwptr[0] = 0;
2240 /* XXXXX */
67867308 2241 printf ("HELPME: %s:%d\n", __FILE__, __LINE__);
e6e5906b
PB		 2242#elif defined(TARGET_M68K)
2243 if (!newsp)
2244 newsp = env->aregs[7];
2245 new_env->aregs[7] = newsp;
2246 new_env->dregs[0] = 0;
2247 /* ??? is this sufficient? */
048f6b4d 2248#elif defined(TARGET_MIPS)
388bb21a 2249 if (!newsp)
ead9360e
TS		 2250 newsp = env->gpr[29][env->current_tc];
2251 new_env->gpr[29][env->current_tc] = newsp;
67867308
FB		 2252#elif defined(TARGET_PPC)
2253 if (!newsp)
2254 newsp = env->gpr[1];
2255 new_env->gpr[1] = newsp;
5fafdf24 2256 {
67867308
FB		 2257 int i;
2258 for (i = 7; i < 32; i++)
2259 new_env->gpr[i] = 0;
2260 }
fdf9b3e8
FB		 2261#elif defined(TARGET_SH4)
2262 if (!newsp)
2263 newsp = env->gregs[15];
2264 new_env->gregs[15] = newsp;
2265 /* XXXXX */
7a3148a9
JM		 2266#elif defined(TARGET_ALPHA)
2267 if (!newsp)
2268 newsp = env->ir[30];
2269 new_env->ir[30] = newsp;
2270 /* ? */
2271 {
2272 int i;
2273 for (i = 7; i < 30; i++)
2274 new_env->ir[i] = 0;
2275 }
2ab83ea7
FB		 2276#else
2277#error unsupported target CPU
2278#endif
5cd4393b 2279 new_env->opaque = ts;
27725c1d 2280#ifdef __ia64__
fd4a43e4 2281 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 2282#else
2283 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
2284#endif
1b6b029e
FB		 2285 } else {
2286 /* if no CLONE_VM, we consider it is a fork */
2287 if ((flags & ~CSIGNAL) != 0)
2288 return -EINVAL;
2289 ret = fork();
2290 }
2291 return ret;
2292}
2293
53a5960a 2294static long do_fcntl(int fd, int cmd, target_ulong arg)
7775e9ec
FB		 2295{
2296 struct flock fl;
53a5960a 2297 struct target_flock *target_fl;
43f238d7
TS		 2298 struct flock64 fl64;
2299 struct target_flock64 *target_fl64;
7775e9ec 2300 long ret;
53a5960a 2301
7775e9ec
FB		 2302 switch(cmd) {
2303 case TARGET_F_GETLK:
5813427b
TS		 2304 lock_user_struct(target_fl, arg, 1);
2305 fl.l_type = tswap16(target_fl->l_type);
2306 fl.l_whence = tswap16(target_fl->l_whence);
2307 fl.l_start = tswapl(target_fl->l_start);
2308 fl.l_len = tswapl(target_fl->l_len);
2309 fl.l_pid = tswapl(target_fl->l_pid);
2310 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2311 ret = fcntl(fd, cmd, &fl);
2312 if (ret == 0) {
53a5960a 2313 lock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2314 target_fl->l_type = tswap16(fl.l_type);
2315 target_fl->l_whence = tswap16(fl.l_whence);
2316 target_fl->l_start = tswapl(fl.l_start);
2317 target_fl->l_len = tswapl(fl.l_len);
2318 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 2319 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2320 }
2321 break;
3b46e624 2322
7775e9ec
FB		 2323 case TARGET_F_SETLK:
2324 case TARGET_F_SETLKW:
53a5960a 2325 lock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 2326 fl.l_type = tswap16(target_fl->l_type);
2327 fl.l_whence = tswap16(target_fl->l_whence);
2328 fl.l_start = tswapl(target_fl->l_start);
2329 fl.l_len = tswapl(target_fl->l_len);
2330 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 2331 unlock_user_struct(target_fl, arg, 0);
7775e9ec
FB		 2332 ret = fcntl(fd, cmd, &fl);
2333 break;
3b46e624 2334
7775e9ec 2335 case TARGET_F_GETLK64:
5813427b
TS		 2336 lock_user_struct(target_fl64, arg, 1);
2337 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2338 fl64.l_whence = tswap16(target_fl64->l_whence);
2339 fl64.l_start = tswapl(target_fl64->l_start);
2340 fl64.l_len = tswapl(target_fl64->l_len);
2341 fl64.l_pid = tswap16(target_fl64->l_pid);
2342 unlock_user_struct(target_fl64, arg, 0);
43f238d7
TS		 2343 ret = fcntl(fd, cmd >> 1, &fl64);
2344 if (ret == 0) {
2345 lock_user_struct(target_fl64, arg, 0);
2346 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
2347 target_fl64->l_whence = tswap16(fl64.l_whence);
2348 target_fl64->l_start = tswapl(fl64.l_start);
2349 target_fl64->l_len = tswapl(fl64.l_len);
2350 target_fl64->l_pid = tswapl(fl64.l_pid);
2351 unlock_user_struct(target_fl64, arg, 1);
2352 }
2353 break;
7775e9ec
FB		 2354 case TARGET_F_SETLK64:
2355 case TARGET_F_SETLKW64:
43f238d7
TS		 2356 lock_user_struct(target_fl64, arg, 1);
2357 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
2358 fl64.l_whence = tswap16(target_fl64->l_whence);
2359 fl64.l_start = tswapl(target_fl64->l_start);
2360 fl64.l_len = tswapl(target_fl64->l_len);
2361 fl64.l_pid = tswap16(target_fl64->l_pid);
2362 unlock_user_struct(target_fl64, arg, 0);
2363 ret = fcntl(fd, cmd >> 1, &fl64);
7775e9ec
FB		 2364 break;
2365
ffa65c3b
FB		 2366 case F_GETFL:
2367 ret = fcntl(fd, cmd, arg);
2368 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
2369 break;
2370
2371 case F_SETFL:
2372 ret = fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl));
2373 break;
2374
7775e9ec
FB		 2375 default:
2376 ret = fcntl(fd, cmd, arg);
2377 break;
2378 }
2379 return ret;
2380}
2381
67867308 2382#ifdef USE_UID16
7775e9ec 2383
67867308
FB		 2384static inline int high2lowuid(int uid)
2385{
2386 if (uid > 65535)
2387 return 65534;
2388 else
2389 return uid;
2390}
2391
2392static inline int high2lowgid(int gid)
2393{
2394 if (gid > 65535)
2395 return 65534;
2396 else
2397 return gid;
2398}
2399
2400static inline int low2highuid(int uid)
2401{
2402 if ((int16_t)uid == -1)
2403 return -1;
2404 else
2405 return uid;
2406}
2407
2408static inline int low2highgid(int gid)
2409{
2410 if ((int16_t)gid == -1)
2411 return -1;
2412 else
2413 return gid;
2414}
2415
2416#endif /* USE_UID16 */
1b6b029e 2417
31e31b8a
FB		 2418void syscall_init(void)
2419{
2ab83ea7
FB		 2420 IOCTLEntry *ie;
2421 const argtype *arg_type;
2422 int size;
2423
5fafdf24
TS		 2424#define STRUCT(name, list...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
2425#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 2426#include "syscall_types.h"
2427#undef STRUCT
2428#undef STRUCT_SPECIAL
2ab83ea7
FB		 2429
2430 /* we patch the ioctl size if necessary. We rely on the fact that
2431 no ioctl has all the bits at '1' in the size field */
2432 ie = ioctl_entries;
2433 while (ie->target_cmd != 0) {
2434 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
2435 TARGET_IOC_SIZEMASK) {
2436 arg_type = ie->arg_type;
2437 if (arg_type[0] != TYPE_PTR) {
5fafdf24 2438 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 2439 ie->target_cmd);
2440 exit(1);
2441 }
2442 arg_type++;
2443 size = thunk_type_size(arg_type, 0);
5fafdf24 2444 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 2445 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
2446 (size << TARGET_IOC_SIZESHIFT);
2447 }
2448 /* automatic consistency check if same arch */
2449#if defined(__i386__) && defined(TARGET_I386)
2450 if (ie->target_cmd != ie->host_cmd) {
5fafdf24 2451 fprintf(stderr, "ERROR: ioctl: target=0x%x host=0x%x\n",
2ab83ea7
FB		 2452 ie->target_cmd, ie->host_cmd);
2453 }
2454#endif
2455 ie++;
2456 }
31e31b8a 2457}
c573ff67 2458
ce4defa0
PB		 2459static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
2460{
2461#ifdef TARGET_WORDS_BIG_ENDIAN
2462 return ((uint64_t)word0 << 32) | word1;
2463#else
2464 return ((uint64_t)word1 << 32) | word0;
2465#endif
2466}
2467
2468#ifdef TARGET_NR_truncate64
2469static inline long target_truncate64(void *cpu_env, const char *arg1,
2470 long arg2, long arg3, long arg4)
2471{
2472#ifdef TARGET_ARM
2473 if (((CPUARMState *)cpu_env)->eabi)
2474 {
2475 arg2 = arg3;
2476 arg3 = arg4;
2477 }
2478#endif
2479 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
2480}
2481#endif
2482
2483#ifdef TARGET_NR_ftruncate64
2484static inline long target_ftruncate64(void *cpu_env, long arg1, long arg2,
2485 long arg3, long arg4)
2486{
2487#ifdef TARGET_ARM
2488 if (((CPUARMState *)cpu_env)->eabi)
2489 {
2490 arg2 = arg3;
2491 arg3 = arg4;
2492 }
2493#endif
2494 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
2495}
2496#endif
2497
53a5960a
PB		 2498static inline void target_to_host_timespec(struct timespec *host_ts,
2499 target_ulong target_addr)
2500{
2501 struct target_timespec *target_ts;
2502
2503 lock_user_struct(target_ts, target_addr, 1);
2504 host_ts->tv_sec = tswapl(target_ts->tv_sec);
2505 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
2506 unlock_user_struct(target_ts, target_addr, 0);
2507}
2508
2509static inline void host_to_target_timespec(target_ulong target_addr,
2510 struct timespec *host_ts)
2511{
2512 struct target_timespec *target_ts;
2513
2514 lock_user_struct(target_ts, target_addr, 0);
2515 target_ts->tv_sec = tswapl(host_ts->tv_sec);
2516 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
2517 unlock_user_struct(target_ts, target_addr, 1);
2518}
2519
5fafdf24 2520long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
31e31b8a
FB		 2521 long arg4, long arg5, long arg6)
2522{
2523 long ret;
2524 struct stat st;
56c8f68f 2525 struct statfs stfs;
53a5960a 2526 void *p;
3b46e624 2527
72f03900 2528#ifdef DEBUG
c573ff67 2529 gemu_log("syscall %d", num);
72f03900 2530#endif
31e31b8a
FB		 2531 switch(num) {
2532 case TARGET_NR_exit:
7d13299d
FB		 2533#ifdef HAVE_GPROF
2534 _mcleanup();
2535#endif
e9009676 2536 gdb_exit(cpu_env, arg1);
1b6b029e 2537 /* XXX: should free thread stack and CPU env */
31e31b8a
FB		 2538 _exit(arg1);
2539 ret = 0; /* avoid warning */
2540 break;
2541 case TARGET_NR_read:
53a5960a
PB		 2542 page_unprotect_range(arg2, arg3);
2543 p = lock_user(arg2, arg3, 0);
2544 ret = get_errno(read(arg1, p, arg3));
2545 unlock_user(p, arg2, ret);
31e31b8a
FB		 2546 break;
2547 case TARGET_NR_write:
53a5960a
PB		 2548 p = lock_user(arg2, arg3, 1);
2549 ret = get_errno(write(arg1, p, arg3));
2550 unlock_user(p, arg2, 0);
31e31b8a
FB		 2551 break;
2552 case TARGET_NR_open:
53a5960a
PB		 2553 p = lock_user_string(arg1);
2554 ret = get_errno(open(path(p),
ffa65c3b
FB		 2555 target_to_host_bitmask(arg2, fcntl_flags_tbl),
2556 arg3));
53a5960a 2557 unlock_user(p, arg1, 0);
31e31b8a 2558 break;
82424832
TS		 2559#if defined(TARGET_NR_openat) && defined(__NR_openat)
2560 case TARGET_NR_openat:
2561 if (!arg2) {
2562 ret = -EFAULT;
2563 goto fail;
2564 }
2565 p = lock_user_string(arg2);
2566 if (!access_ok(VERIFY_READ, p, 1))
2567 ret = -EFAULT;
2568 else
2569 ret = get_errno(sys_openat(arg1,
2570 path(p),
2571 target_to_host_bitmask(arg3, fcntl_flags_tbl),
2572 arg4));
2573 if (p)
2574 unlock_user(p, arg2, 0);
2575 break;
2576#endif
31e31b8a
FB		 2577 case TARGET_NR_close:
2578 ret = get_errno(close(arg1));
2579 break;
2580 case TARGET_NR_brk:
53a5960a 2581 ret = do_brk(arg1);
31e31b8a
FB		 2582 break;
2583 case TARGET_NR_fork:
1b6b029e 2584 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0));
31e31b8a 2585 break;
e5febef5 2586#ifdef TARGET_NR_waitpid
31e31b8a
FB		 2587 case TARGET_NR_waitpid:
2588 {
53a5960a
PB		 2589 int status;
2590 ret = get_errno(waitpid(arg1, &status, arg3));
2591 if (!is_error(ret) && arg2)
2592 tput32(arg2, status);
31e31b8a
FB		 2593 }
2594 break;
e5febef5 2595#endif
7a3148a9 2596#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 2597 case TARGET_NR_creat:
53a5960a
PB		 2598 p = lock_user_string(arg1);
2599 ret = get_errno(creat(p, arg2));
2600 unlock_user(p, arg1, 0);
31e31b8a 2601 break;
7a3148a9 2602#endif
31e31b8a 2603 case TARGET_NR_link:
53a5960a
PB		 2604 {
2605 void * p2;
2606 p = lock_user_string(arg1);
2607 p2 = lock_user_string(arg2);
2608 ret = get_errno(link(p, p2));
2609 unlock_user(p2, arg2, 0);
2610 unlock_user(p, arg1, 0);
2611 }
31e31b8a 2612 break;
64f0ce4c
TS		 2613#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
2614 case TARGET_NR_linkat:
2615 if (!arg2 || !arg4) {
2616 ret = -EFAULT;
2617 goto fail;
2618 }
2619 {
2620 void * p2 = NULL;
2621 p = lock_user_string(arg2);
2622 p2 = lock_user_string(arg4);
2623 if (!access_ok(VERIFY_READ, p, 1)
2624 || !access_ok(VERIFY_READ, p2, 1))
2625 ret = -EFAULT;
2626 else
2627 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
2628 if (p2)
2629 unlock_user(p, arg2, 0);
2630 if (p)
2631 unlock_user(p2, arg4, 0);
2632 }
2633 break;
2634#endif
31e31b8a 2635 case TARGET_NR_unlink:
53a5960a
PB		 2636 p = lock_user_string(arg1);
2637 ret = get_errno(unlink(p));
2638 unlock_user(p, arg1, 0);
31e31b8a 2639 break;
8170f56b
TS		 2640#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
2641 case TARGET_NR_unlinkat:
2642 if (!arg2) {
2643 ret = -EFAULT;
2644 goto fail;
2645 }
2646 p = lock_user_string(arg2);
2647 if (!access_ok(VERIFY_READ, p, 1))
2648 ret = -EFAULT;
2649 else
2650 ret = get_errno(sys_unlinkat(arg1, p, arg3));
2651 if (p)
2652 unlock_user(p, arg2, 0);
2653 break;
2654#endif
31e31b8a 2655 case TARGET_NR_execve:
7854b056
FB		 2656 {
2657 char **argp, **envp;
f7341ff4 2658 int argc, envc;
53a5960a
PB		 2659 target_ulong gp;
2660 target_ulong guest_argp;
2661 target_ulong guest_envp;
2662 target_ulong addr;
7854b056
FB		 2663 char **q;
2664
f7341ff4 2665 argc = 0;
53a5960a
PB		 2666 guest_argp = arg2;
2667 for (gp = guest_argp; tgetl(gp); gp++)
7854b056 2668 argc++;
f7341ff4 2669 envc = 0;
53a5960a
PB		 2670 guest_envp = arg3;
2671 for (gp = guest_envp; tgetl(gp); gp++)
7854b056
FB		 2672 envc++;
2673
f7341ff4
FB		 2674 argp = alloca((argc + 1) * sizeof(void *));
2675 envp = alloca((envc + 1) * sizeof(void *));
7854b056 2676
53a5960a
PB		 2677 for (gp = guest_argp, q = argp; ;
2678 gp += sizeof(target_ulong), q++) {
2679 addr = tgetl(gp);
2680 if (!addr)
2681 break;
2682 *q = lock_user_string(addr);
2683 }
f7341ff4
FB		 2684 *q = NULL;
2685
53a5960a
PB		 2686 for (gp = guest_envp, q = envp; ;
2687 gp += sizeof(target_ulong), q++) {
2688 addr = tgetl(gp);
2689 if (!addr)
2690 break;
2691 *q = lock_user_string(addr);
2692 }
f7341ff4 2693 *q = NULL;
7854b056 2694
53a5960a
PB		 2695 p = lock_user_string(arg1);
2696 ret = get_errno(execve(p, argp, envp));
2697 unlock_user(p, arg1, 0);
2698
2699 for (gp = guest_argp, q = argp; *q;
2700 gp += sizeof(target_ulong), q++) {
2701 addr = tgetl(gp);
2702 unlock_user(*q, addr, 0);
2703 }
2704 for (gp = guest_envp, q = envp; *q;
2705 gp += sizeof(target_ulong), q++) {
2706 addr = tgetl(gp);
2707 unlock_user(*q, addr, 0);
2708 }
7854b056 2709 }
31e31b8a
FB		 2710 break;
2711 case TARGET_NR_chdir:
53a5960a
PB		 2712 p = lock_user_string(arg1);
2713 ret = get_errno(chdir(p));
2714 unlock_user(p, arg1, 0);
31e31b8a 2715 break;
a315a145 2716#ifdef TARGET_NR_time
31e31b8a
FB		 2717 case TARGET_NR_time:
2718 {
53a5960a
PB		 2719 time_t host_time;
2720 ret = get_errno(time(&host_time));
2721 if (!is_error(ret) && arg1)
2722 tputl(arg1, host_time);
31e31b8a
FB		 2723 }
2724 break;
a315a145 2725#endif
31e31b8a 2726 case TARGET_NR_mknod:
53a5960a
PB		 2727 p = lock_user_string(arg1);
2728 ret = get_errno(mknod(p, arg2, arg3));
2729 unlock_user(p, arg1, 0);
31e31b8a 2730 break;
75ac37a0
TS		 2731#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
2732 case TARGET_NR_mknodat:
2733 if (!arg2) {
2734 ret = -EFAULT;
2735 goto fail;
2736 }
2737 p = lock_user_string(arg2);
2738 if (!access_ok(VERIFY_READ, p, 1))
2739 ret = -EFAULT;
2740 else
2741 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
2742 if (p)
2743 unlock_user(p, arg2, 0);
2744 break;
2745#endif
31e31b8a 2746 case TARGET_NR_chmod:
53a5960a
PB		 2747 p = lock_user_string(arg1);
2748 ret = get_errno(chmod(p, arg2));
2749 unlock_user(p, arg1, 0);
31e31b8a 2750 break;
ebc05488 2751#ifdef TARGET_NR_break
31e31b8a
FB		 2752 case TARGET_NR_break:
2753 goto unimplemented;
ebc05488
FB		 2754#endif
2755#ifdef TARGET_NR_oldstat
31e31b8a
FB		 2756 case TARGET_NR_oldstat:
2757 goto unimplemented;
ebc05488 2758#endif
31e31b8a
FB		 2759 case TARGET_NR_lseek:
2760 ret = get_errno(lseek(arg1, arg2, arg3));
2761 break;
7a3148a9
JM		 2762#ifdef TARGET_NR_getxpid
2763 case TARGET_NR_getxpid:
2764#else
31e31b8a 2765 case TARGET_NR_getpid:
7a3148a9 2766#endif
31e31b8a
FB		 2767 ret = get_errno(getpid());
2768 break;
2769 case TARGET_NR_mount:
80265918
TS		 2770 {
2771 /* need to look at the data field */
2772 void *p2, *p3;
2773 p = lock_user_string(arg1);
2774 p2 = lock_user_string(arg2);
2775 p3 = lock_user_string(arg3);
2776 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, (const void *)arg5));
2777 unlock_user(p, arg1, 0);
2778 unlock_user(p2, arg2, 0);
2779 unlock_user(p3, arg3, 0);
2780 break;
2781 }
e5febef5 2782#ifdef TARGET_NR_umount
31e31b8a 2783 case TARGET_NR_umount:
53a5960a
PB		 2784 p = lock_user_string(arg1);
2785 ret = get_errno(umount(p));
2786 unlock_user(p, arg1, 0);
31e31b8a 2787 break;
e5febef5 2788#endif
7a3148a9 2789#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 2790 case TARGET_NR_stime:
2791 {
53a5960a
PB		 2792 time_t host_time;
2793 host_time = tgetl(arg1);
2794 ret = get_errno(stime(&host_time));
31e31b8a
FB		 2795 }
2796 break;
7a3148a9 2797#endif
31e31b8a
FB		 2798 case TARGET_NR_ptrace:
2799 goto unimplemented;
7a3148a9 2800#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 2801 case TARGET_NR_alarm:
2802 ret = alarm(arg1);
2803 break;
7a3148a9 2804#endif
ebc05488 2805#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 2806 case TARGET_NR_oldfstat:
2807 goto unimplemented;
ebc05488 2808#endif
7a3148a9 2809#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 2810 case TARGET_NR_pause:
2811 ret = get_errno(pause());
2812 break;
7a3148a9 2813#endif
e5febef5 2814#ifdef TARGET_NR_utime
31e31b8a 2815 case TARGET_NR_utime:
ebc05488 2816 {
53a5960a
PB		 2817 struct utimbuf tbuf, *host_tbuf;
2818 struct target_utimbuf *target_tbuf;
2819 if (arg2) {
2820 lock_user_struct(target_tbuf, arg2, 1);
2821 tbuf.actime = tswapl(target_tbuf->actime);
2822 tbuf.modtime = tswapl(target_tbuf->modtime);
2823 unlock_user_struct(target_tbuf, arg2, 0);
2824 host_tbuf = &tbuf;
f72e8ff4 2825 } else {
53a5960a 2826 host_tbuf = NULL;
f72e8ff4 2827 }
53a5960a
PB		 2828 p = lock_user_string(arg1);
2829 ret = get_errno(utime(p, host_tbuf));
2830 unlock_user(p, arg1, 0);
ebc05488
FB		 2831 }
2832 break;
e5febef5 2833#endif
978a66ff
FB		 2834 case TARGET_NR_utimes:
2835 {
978a66ff 2836 struct timeval *tvp, tv[2];
53a5960a
PB		 2837 if (arg2) {
2838 target_to_host_timeval(&tv[0], arg2);
2839 target_to_host_timeval(&tv[1],
2840 arg2 + sizeof (struct target_timeval));
978a66ff
FB		 2841 tvp = tv;
2842 } else {
2843 tvp = NULL;
2844 }
53a5960a
PB		 2845 p = lock_user_string(arg1);
2846 ret = get_errno(utimes(p, tvp));
2847 unlock_user(p, arg1, 0);
978a66ff
FB		 2848 }
2849 break;
ebc05488 2850#ifdef TARGET_NR_stty
31e31b8a
FB		 2851 case TARGET_NR_stty:
2852 goto unimplemented;
ebc05488
FB		 2853#endif
2854#ifdef TARGET_NR_gtty
31e31b8a
FB		 2855 case TARGET_NR_gtty:
2856 goto unimplemented;
ebc05488 2857#endif
31e31b8a 2858 case TARGET_NR_access:
53a5960a
PB		 2859 p = lock_user_string(arg1);
2860 ret = get_errno(access(p, arg2));
2861 unlock_user(p, arg1, 0);
31e31b8a 2862 break;
92a34c10
TS		 2863#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
2864 case TARGET_NR_faccessat:
2865 if (!arg2) {
2866 ret = -EFAULT;
2867 goto fail;
2868 }
2869 p = lock_user_string(arg2);
2870 if (!access_ok(VERIFY_READ, p, 1))
2871 ret = -EFAULT;
2872 else
2873 ret = get_errno(sys_faccessat(arg1, p, arg3, arg4));
2874 if (p)
2875 unlock_user(p, arg2, 0);
2876 break;
2877#endif
7a3148a9 2878#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 2879 case TARGET_NR_nice:
2880 ret = get_errno(nice(arg1));
2881 break;
7a3148a9 2882#endif
ebc05488 2883#ifdef TARGET_NR_ftime
31e31b8a
FB		 2884 case TARGET_NR_ftime:
2885 goto unimplemented;
ebc05488 2886#endif
31e31b8a 2887 case TARGET_NR_sync:
04369ff2
FB		 2888 sync();
2889 ret = 0;
31e31b8a
FB		 2890 break;
2891 case TARGET_NR_kill:
2892 ret = get_errno(kill(arg1, arg2));
2893 break;
2894 case TARGET_NR_rename:
53a5960a
PB		 2895 {
2896 void *p2;
2897 p = lock_user_string(arg1);
2898 p2 = lock_user_string(arg2);
2899 ret = get_errno(rename(p, p2));
2900 unlock_user(p2, arg2, 0);
2901 unlock_user(p, arg1, 0);
2902 }
31e31b8a 2903 break;
722183f6
TS		 2904#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
2905 case TARGET_NR_renameat:
2906 if (!arg2 || !arg4) {
2907 ret = -EFAULT;
2908 goto fail;
2909 }
2910 {
2911 void *p2 = NULL;
2912 p = lock_user_string(arg2);
2913 p2 = lock_user_string(arg4);
2914 if (!access_ok(VERIFY_READ, p, 1)
2915 || !access_ok(VERIFY_READ, p2, 1))
2916 ret = -EFAULT;
2917 else
2918 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
2919 if (p2)
2920 unlock_user(p2, arg4, 0);
2921 if (p)
2922 unlock_user(p, arg2, 0);
2923 }
2924 break;
2925#endif
31e31b8a 2926 case TARGET_NR_mkdir:
53a5960a
PB		 2927 p = lock_user_string(arg1);
2928 ret = get_errno(mkdir(p, arg2));
2929 unlock_user(p, arg1, 0);
31e31b8a 2930 break;
4472ad0d
TS		 2931#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
2932 case TARGET_NR_mkdirat:
2933 if (!arg2) {
2934 ret = -EFAULT;
2935 goto fail;
2936 }
2937 p = lock_user_string(arg2);
2938 if (!access_ok(VERIFY_READ, p, 1))
2939 ret = -EFAULT;
2940 else
2941 ret = get_errno(sys_mkdirat(arg1, p, arg3));
2942 if (p)
2943 unlock_user(p, arg2, 0);
2944 break;
2945#endif
31e31b8a 2946 case TARGET_NR_rmdir:
53a5960a
PB		 2947 p = lock_user_string(arg1);
2948 ret = get_errno(rmdir(p));
2949 unlock_user(p, arg1, 0);
31e31b8a
FB		 2950 break;
2951 case TARGET_NR_dup:
2952 ret = get_errno(dup(arg1));
2953 break;
2954 case TARGET_NR_pipe:
2955 {
53a5960a
PB		 2956 int host_pipe[2];
2957 ret = get_errno(pipe(host_pipe));
31e31b8a 2958 if (!is_error(ret)) {
c12ab05c 2959#if defined(TARGET_MIPS)
ead9360e
TS		 2960 CPUMIPSState *env = (CPUMIPSState*)cpu_env;
2961 env->gpr[3][env->current_tc] = host_pipe[1];
c12ab05c
TS		 2962 ret = host_pipe[0];
2963#else
53a5960a
PB		 2964 tput32(arg1, host_pipe[0]);
2965 tput32(arg1 + 4, host_pipe[1]);
c12ab05c 2966#endif
31e31b8a
FB		 2967 }
2968 }
2969 break;
2970 case TARGET_NR_times:
32f36bce 2971 {
53a5960a 2972 struct target_tms *tmsp;
32f36bce
FB		 2973 struct tms tms;
2974 ret = get_errno(times(&tms));
53a5960a
PB		 2975 if (arg1) {
2976 tmsp = lock_user(arg1, sizeof(struct target_tms), 0);
c596ed17
FB		 2977 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
2978 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
2979 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
2980 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 2981 }
c596ed17
FB		 2982 if (!is_error(ret))
2983 ret = host_to_target_clock_t(ret);
32f36bce
FB		 2984 }
2985 break;
ebc05488 2986#ifdef TARGET_NR_prof
31e31b8a
FB		 2987 case TARGET_NR_prof:
2988 goto unimplemented;
ebc05488 2989#endif
e5febef5 2990#ifdef TARGET_NR_signal
31e31b8a
FB		 2991 case TARGET_NR_signal:
2992 goto unimplemented;
e5febef5 2993#endif
31e31b8a 2994 case TARGET_NR_acct:
24836689
PB		 2995 p = lock_user_string(arg1);
2996 ret = get_errno(acct(path(p)));
2997 unlock_user(p, arg1, 0);
2998 break;
7a3148a9 2999#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 3000 case TARGET_NR_umount2:
53a5960a
PB		 3001 p = lock_user_string(arg1);
3002 ret = get_errno(umount2(p, arg2));
3003 unlock_user(p, arg1, 0);
31e31b8a 3004 break;
7a3148a9 3005#endif
ebc05488 3006#ifdef TARGET_NR_lock
31e31b8a
FB		 3007 case TARGET_NR_lock:
3008 goto unimplemented;
ebc05488 3009#endif
31e31b8a
FB		 3010 case TARGET_NR_ioctl:
3011 ret = do_ioctl(arg1, arg2, arg3);
3012 break;
3013 case TARGET_NR_fcntl:
7775e9ec 3014 ret = get_errno(do_fcntl(arg1, arg2, arg3));
31e31b8a 3015 break;
ebc05488 3016#ifdef TARGET_NR_mpx
31e31b8a
FB		 3017 case TARGET_NR_mpx:
3018 goto unimplemented;
ebc05488 3019#endif
31e31b8a
FB		 3020 case TARGET_NR_setpgid:
3021 ret = get_errno(setpgid(arg1, arg2));
3022 break;
ebc05488 3023#ifdef TARGET_NR_ulimit
31e31b8a
FB		 3024 case TARGET_NR_ulimit:
3025 goto unimplemented;
ebc05488
FB		 3026#endif
3027#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 3028 case TARGET_NR_oldolduname:
3029 goto unimplemented;
ebc05488 3030#endif
31e31b8a
FB		 3031 case TARGET_NR_umask:
3032 ret = get_errno(umask(arg1));
3033 break;
3034 case TARGET_NR_chroot:
53a5960a
PB		 3035 p = lock_user_string(arg1);
3036 ret = get_errno(chroot(p));
3037 unlock_user(p, arg1, 0);
31e31b8a
FB		 3038 break;
3039 case TARGET_NR_ustat:
3040 goto unimplemented;
3041 case TARGET_NR_dup2:
3042 ret = get_errno(dup2(arg1, arg2));
3043 break;
7a3148a9 3044#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 3045 case TARGET_NR_getppid:
3046 ret = get_errno(getppid());
3047 break;
7a3148a9 3048#endif
31e31b8a
FB		 3049 case TARGET_NR_getpgrp:
3050 ret = get_errno(getpgrp());
3051 break;
3052 case TARGET_NR_setsid:
3053 ret = get_errno(setsid());
3054 break;
e5febef5 3055#ifdef TARGET_NR_sigaction
31e31b8a 3056 case TARGET_NR_sigaction:
31e31b8a 3057 {
388bb21a 3058#if !defined(TARGET_MIPS)
53a5960a 3059 struct target_old_sigaction *old_act;
66fb9763 3060 struct target_sigaction act, oact, *pact;
53a5960a
PB		 3061 if (arg2) {
3062 lock_user_struct(old_act, arg2, 1);
66fb9763
FB		 3063 act._sa_handler = old_act->_sa_handler;
3064 target_siginitset(&act.sa_mask, old_act->sa_mask);
3065 act.sa_flags = old_act->sa_flags;
3066 act.sa_restorer = old_act->sa_restorer;
53a5960a 3067 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 3068 pact = &act;
3069 } else {
3070 pact = NULL;
3071 }
3072 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a
PB		 3073 if (!is_error(ret) && arg3) {
3074 lock_user_struct(old_act, arg3, 0);
3075 old_act->_sa_handler = oact._sa_handler;
3076 old_act->sa_mask = oact.sa_mask.sig[0];
3077 old_act->sa_flags = oact.sa_flags;
3078 old_act->sa_restorer = oact.sa_restorer;
3079 unlock_user_struct(old_act, arg3, 1);
66fb9763 3080 }
388bb21a 3081#else
106ec879
FB		 3082 struct target_sigaction act, oact, *pact, *old_act;
3083
3084 if (arg2) {
3085 lock_user_struct(old_act, arg2, 1);
3086 act._sa_handler = old_act->_sa_handler;
3087 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
3088 act.sa_flags = old_act->sa_flags;
3089 unlock_user_struct(old_act, arg2, 0);
3090 pact = &act;
3091 } else {
3092 pact = NULL;
3093 }
3094
3095 ret = get_errno(do_sigaction(arg1, pact, &oact));
3096
3097 if (!is_error(ret) && arg3) {
3098 lock_user_struct(old_act, arg3, 0);
3099 old_act->_sa_handler = oact._sa_handler;
3100 old_act->sa_flags = oact.sa_flags;
3101 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
3102 old_act->sa_mask.sig[1] = 0;
3103 old_act->sa_mask.sig[2] = 0;
3104 old_act->sa_mask.sig[3] = 0;
3105 unlock_user_struct(old_act, arg3, 1);
3106 }
388bb21a 3107#endif
31e31b8a
FB		 3108 }
3109 break;
e5febef5 3110#endif
66fb9763 3111 case TARGET_NR_rt_sigaction:
53a5960a
PB		 3112 {
3113 struct target_sigaction *act;
3114 struct target_sigaction *oact;
3115
3116 if (arg2)
3117 lock_user_struct(act, arg2, 1);
3118 else
3119 act = NULL;
3120 if (arg3)
3121 lock_user_struct(oact, arg3, 0);
3122 else
3123 oact = NULL;
3124 ret = get_errno(do_sigaction(arg1, act, oact));
3125 if (arg2)
3126 unlock_user_struct(act, arg2, 0);
3127 if (arg3)
3128 unlock_user_struct(oact, arg3, 1);
3129 }
66fb9763 3130 break;
7a3148a9 3131#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 3132 case TARGET_NR_sgetmask:
66fb9763
FB		 3133 {
3134 sigset_t cur_set;
3135 target_ulong target_set;
3136 sigprocmask(0, NULL, &cur_set);
3137 host_to_target_old_sigset(&target_set, &cur_set);
3138 ret = target_set;
3139 }
3140 break;
7a3148a9
JM		 3141#endif
3142#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 3143 case TARGET_NR_ssetmask:
66fb9763
FB		 3144 {
3145 sigset_t set, oset, cur_set;
3146 target_ulong target_set = arg1;
3147 sigprocmask(0, NULL, &cur_set);
3148 target_to_host_old_sigset(&set, &target_set);
3149 sigorset(&set, &set, &cur_set);
3150 sigprocmask(SIG_SETMASK, &set, &oset);
3151 host_to_target_old_sigset(&target_set, &oset);
3152 ret = target_set;
3153 }
3154 break;
7a3148a9 3155#endif
e5febef5 3156#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 3157 case TARGET_NR_sigprocmask:
3158 {
3159 int how = arg1;
3160 sigset_t set, oldset, *set_ptr;
3b46e624 3161
53a5960a 3162 if (arg2) {
66fb9763
FB		 3163 switch(how) {
3164 case TARGET_SIG_BLOCK:
3165 how = SIG_BLOCK;
3166 break;
3167 case TARGET_SIG_UNBLOCK:
3168 how = SIG_UNBLOCK;
3169 break;
3170 case TARGET_SIG_SETMASK:
3171 how = SIG_SETMASK;
3172 break;
3173 default:
3174 ret = -EINVAL;
3175 goto fail;
3176 }
53a5960a
PB		 3177 p = lock_user(arg2, sizeof(target_sigset_t), 1);
3178 target_to_host_old_sigset(&set, p);
3179 unlock_user(p, arg2, 0);
66fb9763
FB		 3180 set_ptr = &set;
3181 } else {
3182 how = 0;
3183 set_ptr = NULL;
3184 }
3185 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a
PB		 3186 if (!is_error(ret) && arg3) {
3187 p = lock_user(arg3, sizeof(target_sigset_t), 0);
3188 host_to_target_old_sigset(p, &oldset);
3189 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 3190 }
3191 }
3192 break;
e5febef5 3193#endif
66fb9763
FB		 3194 case TARGET_NR_rt_sigprocmask:
3195 {
3196 int how = arg1;
3197 sigset_t set, oldset, *set_ptr;
3b46e624 3198
53a5960a 3199 if (arg2) {
66fb9763
FB		 3200 switch(how) {
3201 case TARGET_SIG_BLOCK:
3202 how = SIG_BLOCK;
3203 break;
3204 case TARGET_SIG_UNBLOCK:
3205 how = SIG_UNBLOCK;
3206 break;
3207 case TARGET_SIG_SETMASK:
3208 how = SIG_SETMASK;
3209 break;
3210 default:
3211 ret = -EINVAL;
3212 goto fail;
3213 }
53a5960a
PB		 3214 p = lock_user(arg2, sizeof(target_sigset_t), 1);
3215 target_to_host_sigset(&set, p);
3216 unlock_user(p, arg2, 0);
66fb9763
FB		 3217 set_ptr = &set;
3218 } else {
3219 how = 0;
3220 set_ptr = NULL;
3221 }
3222 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a
PB		 3223 if (!is_error(ret) && arg3) {
3224 p = lock_user(arg3, sizeof(target_sigset_t), 0);
3225 host_to_target_sigset(p, &oldset);
3226 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 3227 }
3228 }
3229 break;
e5febef5 3230#ifdef TARGET_NR_sigpending
66fb9763
FB		 3231 case TARGET_NR_sigpending:
3232 {
3233 sigset_t set;
3234 ret = get_errno(sigpending(&set));
3235 if (!is_error(ret)) {
53a5960a
PB		 3236 p = lock_user(arg1, sizeof(target_sigset_t), 0);
3237 host_to_target_old_sigset(p, &set);
3238 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 3239 }
3240 }
3241 break;
e5febef5 3242#endif
66fb9763
FB		 3243 case TARGET_NR_rt_sigpending:
3244 {
3245 sigset_t set;
3246 ret = get_errno(sigpending(&set));
3247 if (!is_error(ret)) {
53a5960a
PB		 3248 p = lock_user(arg1, sizeof(target_sigset_t), 0);
3249 host_to_target_sigset(p, &set);
3250 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 3251 }
3252 }
3253 break;
e5febef5 3254#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 3255 case TARGET_NR_sigsuspend:
3256 {
3257 sigset_t set;
53a5960a
PB		 3258 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3259 target_to_host_old_sigset(&set, p);
3260 unlock_user(p, arg1, 0);
66fb9763
FB		 3261 ret = get_errno(sigsuspend(&set));
3262 }
3263 break;
e5febef5 3264#endif
66fb9763
FB		 3265 case TARGET_NR_rt_sigsuspend:
3266 {
3267 sigset_t set;
53a5960a
PB		 3268 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3269 target_to_host_sigset(&set, p);
3270 unlock_user(p, arg1, 0);
66fb9763
FB		 3271 ret = get_errno(sigsuspend(&set));
3272 }
3273 break;
3274 case TARGET_NR_rt_sigtimedwait:
3275 {
66fb9763
FB		 3276 sigset_t set;
3277 struct timespec uts, *puts;
3278 siginfo_t uinfo;
3b46e624 3279
53a5960a
PB		 3280 p = lock_user(arg1, sizeof(target_sigset_t), 1);
3281 target_to_host_sigset(&set, p);
3282 unlock_user(p, arg1, 0);
3283 if (arg3) {
66fb9763 3284 puts = &uts;
53a5960a 3285 target_to_host_timespec(puts, arg3);
66fb9763
FB		 3286 } else {
3287 puts = NULL;
3288 }
3289 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a
PB		 3290 if (!is_error(ret) && arg2) {
3291 p = lock_user(arg2, sizeof(target_sigset_t), 0);
3292 host_to_target_siginfo(p, &uinfo);
3293 unlock_user(p, arg2, sizeof(target_sigset_t));
66fb9763
FB		 3294 }
3295 }
3296 break;
3297 case TARGET_NR_rt_sigqueueinfo:
3298 {
3299 siginfo_t uinfo;
53a5960a
PB		 3300 p = lock_user(arg3, sizeof(target_sigset_t), 1);
3301 target_to_host_siginfo(&uinfo, p);
3302 unlock_user(p, arg1, 0);
66fb9763
FB		 3303 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
3304 }
3305 break;
e5febef5 3306#ifdef TARGET_NR_sigreturn
66fb9763
FB		 3307 case TARGET_NR_sigreturn:
3308 /* NOTE: ret is eax, so not transcoding must be done */
3309 ret = do_sigreturn(cpu_env);
3310 break;
e5febef5 3311#endif
66fb9763
FB		 3312 case TARGET_NR_rt_sigreturn:
3313 /* NOTE: ret is eax, so not transcoding must be done */
3314 ret = do_rt_sigreturn(cpu_env);
3315 break;
31e31b8a 3316 case TARGET_NR_sethostname:
53a5960a
PB		 3317 p = lock_user_string(arg1);
3318 ret = get_errno(sethostname(p, arg2));
3319 unlock_user(p, arg1, 0);
31e31b8a
FB		 3320 break;
3321 case TARGET_NR_setrlimit:
9de5e440
FB		 3322 {
3323 /* XXX: convert resource ? */
3324 int resource = arg1;
53a5960a 3325 struct target_rlimit *target_rlim;
9de5e440 3326 struct rlimit rlim;
53a5960a 3327 lock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3328 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3329 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 3330 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 3331 ret = get_errno(setrlimit(resource, &rlim));
3332 }
3333 break;
31e31b8a 3334 case TARGET_NR_getrlimit:
9de5e440
FB		 3335 {
3336 /* XXX: convert resource ? */
3337 int resource = arg1;
53a5960a 3338 struct target_rlimit *target_rlim;
9de5e440 3339 struct rlimit rlim;
3b46e624 3340
9de5e440
FB		 3341 ret = get_errno(getrlimit(resource, &rlim));
3342 if (!is_error(ret)) {
53a5960a
PB		 3343 lock_user_struct(target_rlim, arg2, 0);
3344 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
3345 rlim.rlim_max = tswapl(target_rlim->rlim_max);
3346 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 3347 }
3348 }
3349 break;
31e31b8a 3350 case TARGET_NR_getrusage:
b409186b
FB		 3351 {
3352 struct rusage rusage;
b409186b
FB		 3353 ret = get_errno(getrusage(arg1, &rusage));
3354 if (!is_error(ret)) {
53a5960a 3355 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 3356 }
3357 }
3358 break;
31e31b8a
FB		 3359 case TARGET_NR_gettimeofday:
3360 {
31e31b8a
FB		 3361 struct timeval tv;
3362 ret = get_errno(gettimeofday(&tv, NULL));
3363 if (!is_error(ret)) {
53a5960a 3364 host_to_target_timeval(arg1, &tv);
31e31b8a
FB		 3365 }
3366 }
3367 break;
3368 case TARGET_NR_settimeofday:
3369 {
31e31b8a 3370 struct timeval tv;
53a5960a 3371 target_to_host_timeval(&tv, arg1);
31e31b8a
FB		 3372 ret = get_errno(settimeofday(&tv, NULL));
3373 }
3374 break;
048f6b4d 3375#ifdef TARGET_NR_select
31e31b8a 3376 case TARGET_NR_select:
f2674e31 3377 {
53a5960a
PB		 3378 struct target_sel_arg_struct *sel;
3379 target_ulong inp, outp, exp, tvp;
3380 long nsel;
3381
3382 lock_user_struct(sel, arg1, 1);
3383 nsel = tswapl(sel->n);
3384 inp = tswapl(sel->inp);
3385 outp = tswapl(sel->outp);
3386 exp = tswapl(sel->exp);
3387 tvp = tswapl(sel->tvp);
3388 unlock_user_struct(sel, arg1, 0);
3389 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 3390 }
3391 break;
048f6b4d 3392#endif
31e31b8a 3393 case TARGET_NR_symlink:
53a5960a
PB		 3394 {
3395 void *p2;
3396 p = lock_user_string(arg1);
3397 p2 = lock_user_string(arg2);
3398 ret = get_errno(symlink(p, p2));
3399 unlock_user(p2, arg2, 0);
3400 unlock_user(p, arg1, 0);
3401 }
31e31b8a 3402 break;
f0b6243d
TS		 3403#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
3404 case TARGET_NR_symlinkat:
3405 if (!arg1 || !arg3) {
3406 ret = -EFAULT;
3407 goto fail;
3408 }
3409 {
3410 void *p2 = NULL;
3411 p = lock_user_string(arg1);
3412 p2 = lock_user_string(arg3);
3413 if (!access_ok(VERIFY_READ, p, 1)
3414 || !access_ok(VERIFY_READ, p2, 1))
3415 ret = -EFAULT;
3416 else
3417 ret = get_errno(sys_symlinkat(p, arg2, p2));
3418 if (p2)
3419 unlock_user(p2, arg3, 0);
3420 if (p)
3421 unlock_user(p, arg1, 0);
3422 }
3423 break;
3424#endif
ebc05488 3425#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 3426 case TARGET_NR_oldlstat:
3427 goto unimplemented;
ebc05488 3428#endif
31e31b8a 3429 case TARGET_NR_readlink:
53a5960a
PB		 3430 {
3431 void *p2;
3432 p = lock_user_string(arg1);
3433 p2 = lock_user(arg2, arg3, 0);
3434 ret = get_errno(readlink(path(p), p2, arg3));
3435 unlock_user(p2, arg2, ret);
3436 unlock_user(p, arg1, 0);
3437 }
31e31b8a 3438 break;
5e0ccb18
TS		 3439#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
3440 case TARGET_NR_readlinkat:
3441 if (!arg2 || !arg3) {
3442 ret = -EFAULT;
3443 goto fail;
3444 }
3445 {
3446 void *p2 = NULL;
3447 p = lock_user_string(arg2);
3448 p2 = lock_user(arg3, arg4, 0);
3449 if (!access_ok(VERIFY_READ, p, 1)
3450 || !access_ok(VERIFY_READ, p2, 1))
3451 ret = -EFAULT;
3452 else
3453 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
3454 if (p2)
3455 unlock_user(p2, arg3, ret);
3456 if (p)
3457 unlock_user(p, arg2, 0);
3458 }
3459 break;
3460#endif
e5febef5 3461#ifdef TARGET_NR_uselib
31e31b8a
FB		 3462 case TARGET_NR_uselib:
3463 goto unimplemented;
e5febef5
TS		 3464#endif
3465#ifdef TARGET_NR_swapon
31e31b8a 3466 case TARGET_NR_swapon:
53a5960a
PB		 3467 p = lock_user_string(arg1);
3468 ret = get_errno(swapon(p, arg2));
3469 unlock_user(p, arg1, 0);
31e31b8a 3470 break;
e5febef5 3471#endif
31e31b8a
FB		 3472 case TARGET_NR_reboot:
3473 goto unimplemented;
e5febef5 3474#ifdef TARGET_NR_readdir
31e31b8a
FB		 3475 case TARGET_NR_readdir:
3476 goto unimplemented;
e5febef5
TS		 3477#endif
3478#ifdef TARGET_NR_mmap
31e31b8a 3479 case TARGET_NR_mmap:
e6e5906b 3480#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_M68K)
31e31b8a 3481 {
53a5960a
PB		 3482 target_ulong *v;
3483 target_ulong v1, v2, v3, v4, v5, v6;
3484 v = lock_user(arg1, 6 * sizeof(target_ulong), 1);
3485 v1 = tswapl(v[0]);
3486 v2 = tswapl(v[1]);
3487 v3 = tswapl(v[2]);
3488 v4 = tswapl(v[3]);
3489 v5 = tswapl(v[4]);
3490 v6 = tswapl(v[5]);
3491 unlock_user(v, arg1, 0);
5fafdf24 3492 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 3493 target_to_host_bitmask(v4, mmap_flags_tbl),
3494 v5, v6));
31e31b8a 3495 }
31e31b8a 3496#else
5fafdf24
TS		 3497 ret = get_errno(target_mmap(arg1, arg2, arg3,
3498 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 3499 arg5,
3500 arg6));
31e31b8a 3501#endif
6fb883e8 3502 break;
e5febef5 3503#endif
a315a145 3504#ifdef TARGET_NR_mmap2
6fb883e8 3505 case TARGET_NR_mmap2:
0d3267a7 3506#if defined(TARGET_SPARC) || defined(TARGET_MIPS)
c573ff67
FB		 3507#define MMAP_SHIFT 12
3508#else
3509#define MMAP_SHIFT TARGET_PAGE_BITS
3510#endif
5fafdf24
TS		 3511 ret = get_errno(target_mmap(arg1, arg2, arg3,
3512 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 3513 arg5,
c573ff67 3514 arg6 << MMAP_SHIFT));
31e31b8a 3515 break;
a315a145 3516#endif
31e31b8a 3517 case TARGET_NR_munmap:
54936004 3518 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 3519 break;
9de5e440 3520 case TARGET_NR_mprotect:
54936004 3521 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 3522 break;
e5febef5 3523#ifdef TARGET_NR_mremap
9de5e440 3524 case TARGET_NR_mremap:
54936004 3525 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 3526 break;
e5febef5 3527#endif
53a5960a 3528 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 3529#ifdef TARGET_NR_msync
9de5e440 3530 case TARGET_NR_msync:
53a5960a 3531 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 3532 break;
e5febef5
TS		 3533#endif
3534#ifdef TARGET_NR_mlock
9de5e440 3535 case TARGET_NR_mlock:
53a5960a 3536 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 3537 break;
e5febef5
TS		 3538#endif
3539#ifdef TARGET_NR_munlock
9de5e440 3540 case TARGET_NR_munlock:
53a5960a 3541 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 3542 break;
e5febef5
TS		 3543#endif
3544#ifdef TARGET_NR_mlockall
9de5e440
FB		 3545 case TARGET_NR_mlockall:
3546 ret = get_errno(mlockall(arg1));
3547 break;
e5febef5
TS		 3548#endif
3549#ifdef TARGET_NR_munlockall
9de5e440
FB		 3550 case TARGET_NR_munlockall:
3551 ret = get_errno(munlockall());
3552 break;
e5febef5 3553#endif
31e31b8a 3554 case TARGET_NR_truncate:
53a5960a
PB		 3555 p = lock_user_string(arg1);
3556 ret = get_errno(truncate(p, arg2));
3557 unlock_user(p, arg1, 0);
31e31b8a
FB		 3558 break;
3559 case TARGET_NR_ftruncate:
3560 ret = get_errno(ftruncate(arg1, arg2));
3561 break;
3562 case TARGET_NR_fchmod:
3563 ret = get_errno(fchmod(arg1, arg2));
3564 break;
814d7977
TS		 3565#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
3566 case TARGET_NR_fchmodat:
3567 if (!arg2) {
3568 ret = -EFAULT;
3569 goto fail;
3570 }
3571 p = lock_user_string(arg2);
3572 if (!access_ok(VERIFY_READ, p, 1))
3573 ret = -EFAULT;
3574 else
3575 ret = get_errno(sys_fchmodat(arg1, p, arg3, arg4));
3576 if (p)
3577 unlock_user(p, arg2, 0);
3578 break;
3579#endif
31e31b8a
FB		 3580 case TARGET_NR_getpriority:
3581 ret = get_errno(getpriority(arg1, arg2));
3582 break;
3583 case TARGET_NR_setpriority:
3584 ret = get_errno(setpriority(arg1, arg2, arg3));
3585 break;
ebc05488 3586#ifdef TARGET_NR_profil
31e31b8a
FB		 3587 case TARGET_NR_profil:
3588 goto unimplemented;
ebc05488 3589#endif
31e31b8a 3590 case TARGET_NR_statfs:
53a5960a
PB		 3591 p = lock_user_string(arg1);
3592 ret = get_errno(statfs(path(p), &stfs));
3593 unlock_user(p, arg1, 0);
31e31b8a
FB		 3594 convert_statfs:
3595 if (!is_error(ret)) {
53a5960a 3596 struct target_statfs *target_stfs;
3b46e624 3597
53a5960a
PB		 3598 lock_user_struct(target_stfs, arg2, 0);
3599 /* ??? put_user is probably wrong. */
56c8f68f
FB		 3600 put_user(stfs.f_type, &target_stfs->f_type);
3601 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3602 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3603 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3604 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3605 put_user(stfs.f_files, &target_stfs->f_files);
3606 put_user(stfs.f_ffree, &target_stfs->f_ffree);
4ce6f8de
TS		 3607 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
3608 put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
56c8f68f 3609 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 3610 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 3611 }
3612 break;
3613 case TARGET_NR_fstatfs:
56c8f68f 3614 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 3615 goto convert_statfs;
56c8f68f
FB		 3616#ifdef TARGET_NR_statfs64
3617 case TARGET_NR_statfs64:
53a5960a
PB		 3618 p = lock_user_string(arg1);
3619 ret = get_errno(statfs(path(p), &stfs));
3620 unlock_user(p, arg1, 0);
56c8f68f
FB		 3621 convert_statfs64:
3622 if (!is_error(ret)) {
53a5960a 3623 struct target_statfs64 *target_stfs;
3b46e624 3624
53a5960a
PB		 3625 lock_user_struct(target_stfs, arg3, 0);
3626 /* ??? put_user is probably wrong. */
56c8f68f
FB		 3627 put_user(stfs.f_type, &target_stfs->f_type);
3628 put_user(stfs.f_bsize, &target_stfs->f_bsize);
3629 put_user(stfs.f_blocks, &target_stfs->f_blocks);
3630 put_user(stfs.f_bfree, &target_stfs->f_bfree);
3631 put_user(stfs.f_bavail, &target_stfs->f_bavail);
3632 put_user(stfs.f_files, &target_stfs->f_files);
3633 put_user(stfs.f_ffree, &target_stfs->f_ffree);
4ce6f8de
TS		 3634 put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
3635 put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
56c8f68f 3636 put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 3637 unlock_user_struct(target_stfs, arg3, 0);
56c8f68f
FB		 3638 }
3639 break;
3640 case TARGET_NR_fstatfs64:
3641 ret = get_errno(fstatfs(arg1, &stfs));
3642 goto convert_statfs64;
3643#endif
ebc05488 3644#ifdef TARGET_NR_ioperm
31e31b8a
FB		 3645 case TARGET_NR_ioperm:
3646 goto unimplemented;
ebc05488 3647#endif
e5febef5 3648#ifdef TARGET_NR_socketcall
31e31b8a 3649 case TARGET_NR_socketcall:
53a5960a 3650 ret = do_socketcall(arg1, arg2);
31e31b8a 3651 break;
e5febef5 3652#endif
3532fa74
FB		 3653#ifdef TARGET_NR_accept
3654 case TARGET_NR_accept:
1be9e1dc 3655 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 3656 break;
3657#endif
3658#ifdef TARGET_NR_bind
3659 case TARGET_NR_bind:
3660 ret = do_bind(arg1, arg2, arg3);
3661 break;
3662#endif
3663#ifdef TARGET_NR_connect
3664 case TARGET_NR_connect:
3665 ret = do_connect(arg1, arg2, arg3);
3666 break;
3667#endif
3668#ifdef TARGET_NR_getpeername
3669 case TARGET_NR_getpeername:
1be9e1dc 3670 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 3671 break;
3672#endif
3673#ifdef TARGET_NR_getsockname
3674 case TARGET_NR_getsockname:
1be9e1dc 3675 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 3676 break;
3677#endif
3678#ifdef TARGET_NR_getsockopt
3679 case TARGET_NR_getsockopt:
3680 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
3681 break;
3682#endif
3683#ifdef TARGET_NR_listen
3684 case TARGET_NR_listen:
1be9e1dc 3685 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 3686 break;
3687#endif
3688#ifdef TARGET_NR_recv
3689 case TARGET_NR_recv:
214201bd 3690 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3691 break;
3692#endif
3693#ifdef TARGET_NR_recvfrom
3694 case TARGET_NR_recvfrom:
214201bd 3695 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3696 break;
3697#endif
3698#ifdef TARGET_NR_recvmsg
3699 case TARGET_NR_recvmsg:
3700 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
3701 break;
3702#endif
3703#ifdef TARGET_NR_send
3704 case TARGET_NR_send:
1be9e1dc 3705 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 3706 break;
3707#endif
3708#ifdef TARGET_NR_sendmsg
3709 case TARGET_NR_sendmsg:
3710 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
3711 break;
3712#endif
3713#ifdef TARGET_NR_sendto
3714 case TARGET_NR_sendto:
1be9e1dc 3715 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 3716 break;
3717#endif
3718#ifdef TARGET_NR_shutdown
3719 case TARGET_NR_shutdown:
1be9e1dc 3720 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 3721 break;
3722#endif
3723#ifdef TARGET_NR_socket
3724 case TARGET_NR_socket:
3725 ret = do_socket(arg1, arg2, arg3);
3726 break;
3727#endif
3728#ifdef TARGET_NR_socketpair
3729 case TARGET_NR_socketpair:
1be9e1dc 3730 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 3731 break;
3732#endif
3733#ifdef TARGET_NR_setsockopt
3734 case TARGET_NR_setsockopt:
3735 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
3736 break;
3737#endif
7494b0f9 3738
31e31b8a 3739 case TARGET_NR_syslog:
e5574487
TS		 3740 p = lock_user_string(arg2);
3741 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
3742 unlock_user(p, arg2, 0);
7494b0f9
TS		 3743 break;
3744
31e31b8a 3745 case TARGET_NR_setitimer:
66fb9763 3746 {
66fb9763
FB		 3747 struct itimerval value, ovalue, *pvalue;
3748
53a5960a 3749 if (arg2) {
66fb9763 3750 pvalue = &value;
5fafdf24 3751 target_to_host_timeval(&pvalue->it_interval,
53a5960a 3752 arg2);
5fafdf24 3753 target_to_host_timeval(&pvalue->it_value,
53a5960a 3754 arg2 + sizeof(struct target_timeval));
66fb9763
FB		 3755 } else {
3756 pvalue = NULL;
3757 }
3758 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a
PB		 3759 if (!is_error(ret) && arg3) {
3760 host_to_target_timeval(arg3,
66fb9763 3761 &ovalue.it_interval);
53a5960a 3762 host_to_target_timeval(arg3 + sizeof(struct target_timeval),
66fb9763
FB		 3763 &ovalue.it_value);
3764 }
3765 }
3766 break;
31e31b8a 3767 case TARGET_NR_getitimer:
66fb9763 3768 {
66fb9763 3769 struct itimerval value;
3b46e624 3770
66fb9763 3771 ret = get_errno(getitimer(arg1, &value));
53a5960a
PB		 3772 if (!is_error(ret) && arg2) {
3773 host_to_target_timeval(arg2,
66fb9763 3774 &value.it_interval);
53a5960a 3775 host_to_target_timeval(arg2 + sizeof(struct target_timeval),
66fb9763
FB		 3776 &value.it_value);
3777 }
3778 }
3779 break;
31e31b8a 3780 case TARGET_NR_stat:
53a5960a
PB		 3781 p = lock_user_string(arg1);
3782 ret = get_errno(stat(path(p), &st));
3783 unlock_user(p, arg1, 0);
31e31b8a
FB		 3784 goto do_stat;
3785 case TARGET_NR_lstat:
53a5960a
PB		 3786 p = lock_user_string(arg1);
3787 ret = get_errno(lstat(path(p), &st));
3788 unlock_user(p, arg1, 0);
31e31b8a
FB		 3789 goto do_stat;
3790 case TARGET_NR_fstat:
3791 {
3792 ret = get_errno(fstat(arg1, &st));
3793 do_stat:
3794 if (!is_error(ret)) {
53a5960a 3795 struct target_stat *target_st;
e3584658 3796
53a5960a 3797 lock_user_struct(target_st, arg2, 0);
1b8dd648 3798#if defined(TARGET_MIPS) || defined(TARGET_SPARC64)
e3584658
TS		 3799 target_st->st_dev = tswap32(st.st_dev);
3800#else
31e31b8a 3801 target_st->st_dev = tswap16(st.st_dev);
e3584658 3802#endif
31e31b8a 3803 target_st->st_ino = tswapl(st.st_ino);
7d600c80 3804#if defined(TARGET_PPC) || defined(TARGET_MIPS)
67867308
FB		 3805 target_st->st_mode = tswapl(st.st_mode); /* XXX: check this */
3806 target_st->st_uid = tswap32(st.st_uid);
3807 target_st->st_gid = tswap32(st.st_gid);
1b8dd648
BS		 3808#elif defined(TARGET_SPARC64)
3809 target_st->st_mode = tswap32(st.st_mode);
3810 target_st->st_uid = tswap32(st.st_uid);
3811 target_st->st_gid = tswap32(st.st_gid);
67867308 3812#else
ec86b0fb 3813 target_st->st_mode = tswap16(st.st_mode);
31e31b8a
FB		 3814 target_st->st_uid = tswap16(st.st_uid);
3815 target_st->st_gid = tswap16(st.st_gid);
67867308 3816#endif
e3584658
TS		 3817#if defined(TARGET_MIPS)
3818 /* If this is the same on PPC, then just merge w/ the above ifdef */
3819 target_st->st_nlink = tswapl(st.st_nlink);
3820 target_st->st_rdev = tswapl(st.st_rdev);
1b8dd648
BS		 3821#elif defined(TARGET_SPARC64)
3822 target_st->st_nlink = tswap32(st.st_nlink);
3823 target_st->st_rdev = tswap32(st.st_rdev);
e3584658 3824#else
67867308 3825 target_st->st_nlink = tswap16(st.st_nlink);
31e31b8a 3826 target_st->st_rdev = tswap16(st.st_rdev);
e3584658 3827#endif
31e31b8a
FB		 3828 target_st->st_size = tswapl(st.st_size);
3829 target_st->st_blksize = tswapl(st.st_blksize);
3830 target_st->st_blocks = tswapl(st.st_blocks);
7854b056
FB		 3831 target_st->target_st_atime = tswapl(st.st_atime);
3832 target_st->target_st_mtime = tswapl(st.st_mtime);
3833 target_st->target_st_ctime = tswapl(st.st_ctime);
53a5960a 3834 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 3835 }
3836 }
3837 break;
ebc05488 3838#ifdef TARGET_NR_olduname
31e31b8a
FB		 3839 case TARGET_NR_olduname:
3840 goto unimplemented;
ebc05488
FB		 3841#endif
3842#ifdef TARGET_NR_iopl
31e31b8a
FB		 3843 case TARGET_NR_iopl:
3844 goto unimplemented;
ebc05488 3845#endif
31e31b8a
FB		 3846 case TARGET_NR_vhangup:
3847 ret = get_errno(vhangup());
3848 break;
ebc05488 3849#ifdef TARGET_NR_idle
31e31b8a
FB		 3850 case TARGET_NR_idle:
3851 goto unimplemented;
42ad6ae9
FB		 3852#endif
3853#ifdef TARGET_NR_syscall
3854 case TARGET_NR_syscall:
3855 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
3856 break;
ebc05488 3857#endif
31e31b8a
FB		 3858 case TARGET_NR_wait4:
3859 {
3860 int status;
53a5960a 3861 target_long status_ptr = arg2;
31e31b8a 3862 struct rusage rusage, *rusage_ptr;
53a5960a 3863 target_ulong target_rusage = arg4;
31e31b8a
FB		 3864 if (target_rusage)
3865 rusage_ptr = &rusage;
3866 else
3867 rusage_ptr = NULL;
3868 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
3869 if (!is_error(ret)) {
3870 if (status_ptr)
53a5960a 3871 tputl(status_ptr, status);
31e31b8a 3872 if (target_rusage) {
b409186b 3873 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 3874 }
3875 }
3876 }
3877 break;
e5febef5 3878#ifdef TARGET_NR_swapoff
31e31b8a 3879 case TARGET_NR_swapoff:
53a5960a
PB		 3880 p = lock_user_string(arg1);
3881 ret = get_errno(swapoff(p));
3882 unlock_user(p, arg1, 0);
31e31b8a 3883 break;
e5febef5 3884#endif
31e31b8a 3885 case TARGET_NR_sysinfo:
a5448a7d 3886 {
53a5960a 3887 struct target_sysinfo *target_value;
a5448a7d
FB		 3888 struct sysinfo value;
3889 ret = get_errno(sysinfo(&value));
53a5960a 3890 if (!is_error(ret) && arg1)
a5448a7d 3891 {
53a5960a
PB		 3892 /* ??? __put_user is probably wrong. */
3893 lock_user_struct(target_value, arg1, 0);
a5448a7d
FB		 3894 __put_user(value.uptime, &target_value->uptime);
3895 __put_user(value.loads[0], &target_value->loads[0]);
3896 __put_user(value.loads[1], &target_value->loads[1]);
3897 __put_user(value.loads[2], &target_value->loads[2]);
3898 __put_user(value.totalram, &target_value->totalram);
3899 __put_user(value.freeram, &target_value->freeram);
3900 __put_user(value.sharedram, &target_value->sharedram);
3901 __put_user(value.bufferram, &target_value->bufferram);
3902 __put_user(value.totalswap, &target_value->totalswap);
3903 __put_user(value.freeswap, &target_value->freeswap);
3904 __put_user(value.procs, &target_value->procs);
3905 __put_user(value.totalhigh, &target_value->totalhigh);
3906 __put_user(value.freehigh, &target_value->freehigh);
3907 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 3908 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 3909 }
3910 }
3911 break;
e5febef5 3912#ifdef TARGET_NR_ipc
31e31b8a 3913 case TARGET_NR_ipc:
8853f86e
FB		 3914 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
3915 break;
e5febef5 3916#endif
31e31b8a
FB		 3917 case TARGET_NR_fsync:
3918 ret = get_errno(fsync(arg1));
3919 break;
31e31b8a 3920 case TARGET_NR_clone:
1b6b029e
FB		 3921 ret = get_errno(do_fork(cpu_env, arg1, arg2));
3922 break;
ec86b0fb
FB		 3923#ifdef __NR_exit_group
3924 /* new thread calls */
3925 case TARGET_NR_exit_group:
e9009676 3926 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 3927 ret = get_errno(exit_group(arg1));
3928 break;
3929#endif
31e31b8a 3930 case TARGET_NR_setdomainname:
53a5960a
PB		 3931 p = lock_user_string(arg1);
3932 ret = get_errno(setdomainname(p, arg2));
3933 unlock_user(p, arg1, 0);
31e31b8a
FB		 3934 break;
3935 case TARGET_NR_uname:
3936 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 3937 {
3938 struct new_utsname * buf;
3b46e624 3939
53a5960a 3940 lock_user_struct(buf, arg1, 0);
29e619b1
FB		 3941 ret = get_errno(sys_uname(buf));
3942 if (!is_error(ret)) {
3943 /* Overrite the native machine name with whatever is being
3944 emulated. */
3945 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 3946 /* Allow the user to override the reported release. */
3947 if (qemu_uname_release && *qemu_uname_release)
3948 strcpy (buf->release, qemu_uname_release);
29e619b1 3949 }
53a5960a 3950 unlock_user_struct(buf, arg1, 1);
29e619b1 3951 }
31e31b8a 3952 break;
6dbad63e 3953#ifdef TARGET_I386
31e31b8a 3954 case TARGET_NR_modify_ldt:
53a5960a 3955 ret = get_errno(do_modify_ldt(cpu_env, arg1, arg2, arg3));
5cd4393b 3956 break;
84409ddb 3957#if !defined(TARGET_X86_64)
5cd4393b
FB		 3958 case TARGET_NR_vm86old:
3959 goto unimplemented;
3960 case TARGET_NR_vm86:
53a5960a 3961 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 3962 break;
84409ddb 3963#endif
6dbad63e 3964#endif
31e31b8a
FB		 3965 case TARGET_NR_adjtimex:
3966 goto unimplemented;
e5febef5 3967#ifdef TARGET_NR_create_module
31e31b8a 3968 case TARGET_NR_create_module:
e5febef5 3969#endif
31e31b8a
FB		 3970 case TARGET_NR_init_module:
3971 case TARGET_NR_delete_module:
e5febef5 3972#ifdef TARGET_NR_get_kernel_syms
31e31b8a 3973 case TARGET_NR_get_kernel_syms:
e5febef5 3974#endif
31e31b8a
FB		 3975 goto unimplemented;
3976 case TARGET_NR_quotactl:
3977 goto unimplemented;
3978 case TARGET_NR_getpgid:
3979 ret = get_errno(getpgid(arg1));
3980 break;
3981 case TARGET_NR_fchdir:
3982 ret = get_errno(fchdir(arg1));
3983 break;
84409ddb 3984#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 3985 case TARGET_NR_bdflush:
3986 goto unimplemented;
84409ddb 3987#endif
e5febef5 3988#ifdef TARGET_NR_sysfs
31e31b8a
FB		 3989 case TARGET_NR_sysfs:
3990 goto unimplemented;
e5febef5 3991#endif
31e31b8a 3992 case TARGET_NR_personality:
1b6b029e 3993 ret = get_errno(personality(arg1));
31e31b8a 3994 break;
e5febef5 3995#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 3996 case TARGET_NR_afs_syscall:
3997 goto unimplemented;
e5febef5 3998#endif
7a3148a9 3999#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 4000 case TARGET_NR__llseek:
4001 {
4f2ac237
FB		 4002#if defined (__x86_64__)
4003 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
53a5960a 4004 tput64(arg4, ret);
4f2ac237 4005#else
31e31b8a
FB		 4006 int64_t res;
4007 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
53a5960a 4008 tput64(arg4, res);
4f2ac237 4009#endif
31e31b8a
FB		 4010 }
4011 break;
7a3148a9 4012#endif
31e31b8a
FB		 4013 case TARGET_NR_getdents:
4014#if TARGET_LONG_SIZE != 4
53a5960a 4015 goto unimplemented;
a315a145 4016#warning not supported
4add45b4
FB		 4017#elif TARGET_LONG_SIZE == 4 && HOST_LONG_SIZE == 8
4018 {
53a5960a 4019 struct target_dirent *target_dirp;
4add45b4
FB		 4020 struct dirent *dirp;
4021 long count = arg3;
4022
4023 dirp = malloc(count);
4024 if (!dirp)
4025 return -ENOMEM;
3b46e624 4026
4add45b4
FB		 4027 ret = get_errno(sys_getdents(arg1, dirp, count));
4028 if (!is_error(ret)) {
4029 struct dirent *de;
4030 struct target_dirent *tde;
4031 int len = ret;
4032 int reclen, treclen;
4033 int count1, tnamelen;
4034
4035 count1 = 0;
4036 de = dirp;
53a5960a 4037 target_dirp = lock_user(arg2, count, 0);
4add45b4
FB		 4038 tde = target_dirp;
4039 while (len > 0) {
4040 reclen = de->d_reclen;
4041 treclen = reclen - (2 * (sizeof(long) - sizeof(target_long)));
4042 tde->d_reclen = tswap16(treclen);
4043 tde->d_ino = tswapl(de->d_ino);
4044 tde->d_off = tswapl(de->d_off);
4045 tnamelen = treclen - (2 * sizeof(target_long) + 2);
4046 if (tnamelen > 256)
4047 tnamelen = 256;
80a9d035 4048 /* XXX: may not be correct */
4add45b4
FB		 4049 strncpy(tde->d_name, de->d_name, tnamelen);
4050 de = (struct dirent *)((char *)de + reclen);
4051 len -= reclen;
1c5bf3bf 4052 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 4053 count1 += treclen;
4054 }
4055 ret = count1;
4056 }
53a5960a 4057 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 4058 free(dirp);
4059 }
4060#else
31e31b8a 4061 {
53a5960a 4062 struct dirent *dirp;
31e31b8a 4063 long count = arg3;
dab2ed99 4064
53a5960a 4065 dirp = lock_user(arg2, count, 0);
72f03900 4066 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a
FB		 4067 if (!is_error(ret)) {
4068 struct dirent *de;
4069 int len = ret;
4070 int reclen;
4071 de = dirp;
4072 while (len > 0) {
8083a3e5 4073 reclen = de->d_reclen;
31e31b8a
FB		 4074 if (reclen > len)
4075 break;
8083a3e5 4076 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 4077 tswapls(&de->d_ino);
4078 tswapls(&de->d_off);
4079 de = (struct dirent *)((char *)de + reclen);
4080 len -= reclen;
4081 }
4082 }
53a5960a 4083 unlock_user(dirp, arg2, ret);
31e31b8a 4084 }
4add45b4 4085#endif
31e31b8a 4086 break;
3ae43202 4087#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 4088 case TARGET_NR_getdents64:
4089 {
53a5960a 4090 struct dirent64 *dirp;
dab2ed99 4091 long count = arg3;
53a5960a 4092 dirp = lock_user(arg2, count, 0);
dab2ed99
FB		 4093 ret = get_errno(sys_getdents64(arg1, dirp, count));
4094 if (!is_error(ret)) {
4095 struct dirent64 *de;
4096 int len = ret;
4097 int reclen;
4098 de = dirp;
4099 while (len > 0) {
8083a3e5 4100 reclen = de->d_reclen;
dab2ed99
FB		 4101 if (reclen > len)
4102 break;
8083a3e5 4103 de->d_reclen = tswap16(reclen);
dab2ed99
FB		 4104 tswap64s(&de->d_ino);
4105 tswap64s(&de->d_off);
4106 de = (struct dirent64 *)((char *)de + reclen);
4107 len -= reclen;
4108 }
4109 }
53a5960a 4110 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 4111 }
4112 break;
a541f297 4113#endif /* TARGET_NR_getdents64 */
e5febef5 4114#ifdef TARGET_NR__newselect
31e31b8a 4115 case TARGET_NR__newselect:
53a5960a 4116 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 4117 break;
e5febef5
TS		 4118#endif
4119#ifdef TARGET_NR_poll
9de5e440
FB		 4120 case TARGET_NR_poll:
4121 {
53a5960a 4122 struct target_pollfd *target_pfd;
9de5e440
FB		 4123 unsigned int nfds = arg2;
4124 int timeout = arg3;
4125 struct pollfd *pfd;
7854b056 4126 unsigned int i;
9de5e440 4127
53a5960a 4128 target_pfd = lock_user(arg1, sizeof(struct target_pollfd) * nfds, 1);
9de5e440
FB		 4129 pfd = alloca(sizeof(struct pollfd) * nfds);
4130 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 4131 pfd[i].fd = tswap32(target_pfd[i].fd);
4132 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 4133 }
4134 ret = get_errno(poll(pfd, nfds, timeout));
4135 if (!is_error(ret)) {
4136 for(i = 0; i < nfds; i++) {
5cd4393b 4137 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 4138 }
53a5960a
PB		 4139 ret += nfds * (sizeof(struct target_pollfd)
4140 - sizeof(struct pollfd));
9de5e440 4141 }
53a5960a 4142 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 4143 }
4144 break;
e5febef5 4145#endif
31e31b8a 4146 case TARGET_NR_flock:
9de5e440
FB		 4147 /* NOTE: the flock constant seems to be the same for every
4148 Linux platform */
4149 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 4150 break;
4151 case TARGET_NR_readv:
4152 {
4153 int count = arg3;
31e31b8a 4154 struct iovec *vec;
31e31b8a
FB		 4155
4156 vec = alloca(count * sizeof(struct iovec));
53a5960a 4157 lock_iovec(vec, arg2, count, 0);
31e31b8a 4158 ret = get_errno(readv(arg1, vec, count));
53a5960a 4159 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 4160 }
4161 break;
4162 case TARGET_NR_writev:
4163 {
4164 int count = arg3;
31e31b8a 4165 struct iovec *vec;
31e31b8a
FB		 4166
4167 vec = alloca(count * sizeof(struct iovec));
53a5960a 4168 lock_iovec(vec, arg2, count, 1);
31e31b8a 4169 ret = get_errno(writev(arg1, vec, count));
53a5960a 4170 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 4171 }
4172 break;
4173 case TARGET_NR_getsid:
4174 ret = get_errno(getsid(arg1));
4175 break;
7a3148a9 4176#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 4177 case TARGET_NR_fdatasync:
5cd4393b
FB		 4178 ret = get_errno(fdatasync(arg1));
4179 break;
7a3148a9 4180#endif
31e31b8a 4181 case TARGET_NR__sysctl:
29e619b1
FB		 4182 /* We don't implement this, but ENODIR is always a safe
4183 return value. */
4184 return -ENOTDIR;
31e31b8a 4185 case TARGET_NR_sched_setparam:
5cd4393b 4186 {
53a5960a 4187 struct sched_param *target_schp;
5cd4393b 4188 struct sched_param schp;
53a5960a
PB		 4189
4190 lock_user_struct(target_schp, arg2, 1);
5cd4393b 4191 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 4192 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 4193 ret = get_errno(sched_setparam(arg1, &schp));
4194 }
4195 break;
31e31b8a 4196 case TARGET_NR_sched_getparam:
5cd4393b 4197 {
53a5960a 4198 struct sched_param *target_schp;
5cd4393b
FB		 4199 struct sched_param schp;
4200 ret = get_errno(sched_getparam(arg1, &schp));
4201 if (!is_error(ret)) {
53a5960a 4202 lock_user_struct(target_schp, arg2, 0);
5cd4393b 4203 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 4204 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 4205 }
4206 }
4207 break;
31e31b8a 4208 case TARGET_NR_sched_setscheduler:
5cd4393b 4209 {
53a5960a 4210 struct sched_param *target_schp;
5cd4393b 4211 struct sched_param schp;
53a5960a 4212 lock_user_struct(target_schp, arg3, 1);
5cd4393b 4213 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 4214 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 4215 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
4216 }
4217 break;
31e31b8a 4218 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 4219 ret = get_errno(sched_getscheduler(arg1));
4220 break;
31e31b8a
FB		 4221 case TARGET_NR_sched_yield:
4222 ret = get_errno(sched_yield());
4223 break;
4224 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 4225 ret = get_errno(sched_get_priority_max(arg1));
4226 break;
31e31b8a 4227 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 4228 ret = get_errno(sched_get_priority_min(arg1));
4229 break;
31e31b8a 4230 case TARGET_NR_sched_rr_get_interval:
5cd4393b 4231 {
5cd4393b
FB		 4232 struct timespec ts;
4233 ret = get_errno(sched_rr_get_interval(arg1, &ts));
4234 if (!is_error(ret)) {
53a5960a 4235 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 4236 }
4237 }
4238 break;
31e31b8a 4239 case TARGET_NR_nanosleep:
1b6b029e 4240 {
1b6b029e 4241 struct timespec req, rem;
53a5960a 4242 target_to_host_timespec(&req, arg1);
1b6b029e 4243 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 4244 if (is_error(ret) && arg2) {
4245 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 4246 }
4247 }
4248 break;
e5febef5 4249#ifdef TARGET_NR_query_module
31e31b8a 4250 case TARGET_NR_query_module:
5cd4393b 4251 goto unimplemented;
e5febef5
TS		 4252#endif
4253#ifdef TARGET_NR_nfsservctl
31e31b8a 4254 case TARGET_NR_nfsservctl:
5cd4393b 4255 goto unimplemented;
e5febef5 4256#endif
31e31b8a 4257 case TARGET_NR_prctl:
e5574487
TS		 4258 switch (arg1)
4259 {
4260 case PR_GET_PDEATHSIG:
4261 {
4262 int deathsig;
4263 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
4264 if (!is_error(ret) && arg2)
4265 tput32(arg2, deathsig);
4266 }
4267 break;
4268 default:
4269 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
4270 break;
4271 }
39b9aae1 4272 break;
67867308 4273#ifdef TARGET_NR_pread
31e31b8a 4274 case TARGET_NR_pread:
53a5960a
PB		 4275 page_unprotect_range(arg2, arg3);
4276 p = lock_user(arg2, arg3, 0);
4277 ret = get_errno(pread(arg1, p, arg3, arg4));
4278 unlock_user(p, arg2, ret);
206f0fa7 4279 break;
31e31b8a 4280 case TARGET_NR_pwrite:
53a5960a
PB		 4281 p = lock_user(arg2, arg3, 1);
4282 ret = get_errno(pwrite(arg1, p, arg3, arg4));
4283 unlock_user(p, arg2, 0);
206f0fa7 4284 break;
67867308 4285#endif
31e31b8a 4286 case TARGET_NR_getcwd:
53a5960a
PB		 4287 p = lock_user(arg1, arg2, 0);
4288 ret = get_errno(sys_getcwd1(p, arg2));
4289 unlock_user(p, arg1, ret);
31e31b8a
FB		 4290 break;
4291 case TARGET_NR_capget:
5cd4393b 4292 goto unimplemented;
31e31b8a 4293 case TARGET_NR_capset:
5cd4393b 4294 goto unimplemented;
31e31b8a 4295 case TARGET_NR_sigaltstack:
5cd4393b 4296 goto unimplemented;
31e31b8a 4297 case TARGET_NR_sendfile:
5cd4393b 4298 goto unimplemented;
ebc05488 4299#ifdef TARGET_NR_getpmsg
31e31b8a 4300 case TARGET_NR_getpmsg:
5cd4393b 4301 goto unimplemented;
ebc05488
FB		 4302#endif
4303#ifdef TARGET_NR_putpmsg
31e31b8a 4304 case TARGET_NR_putpmsg:
5cd4393b 4305 goto unimplemented;
ebc05488 4306#endif
048f6b4d 4307#ifdef TARGET_NR_vfork
31e31b8a 4308 case TARGET_NR_vfork:
1b6b029e 4309 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD, 0));
31e31b8a 4310 break;
048f6b4d 4311#endif
ebc05488 4312#ifdef TARGET_NR_ugetrlimit
31e31b8a 4313 case TARGET_NR_ugetrlimit:
728584be
FB		 4314 {
4315 struct rlimit rlim;
4316 ret = get_errno(getrlimit(arg1, &rlim));
4317 if (!is_error(ret)) {
53a5960a
PB		 4318 struct target_rlimit *target_rlim;
4319 lock_user_struct(target_rlim, arg2, 0);
728584be
FB		 4320 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
4321 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 4322 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 4323 }
4324 break;
4325 }
ebc05488 4326#endif
a315a145 4327#ifdef TARGET_NR_truncate64
31e31b8a 4328 case TARGET_NR_truncate64:
53a5960a
PB		 4329 p = lock_user_string(arg1);
4330 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
4331 unlock_user(p, arg1, 0);
667f38b1 4332 break;
a315a145
FB		 4333#endif
4334#ifdef TARGET_NR_ftruncate64
31e31b8a 4335 case TARGET_NR_ftruncate64:
ce4defa0 4336 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 4337 break;
a315a145
FB		 4338#endif
4339#ifdef TARGET_NR_stat64
31e31b8a 4340 case TARGET_NR_stat64:
53a5960a
PB		 4341 p = lock_user_string(arg1);
4342 ret = get_errno(stat(path(p), &st));
4343 unlock_user(p, arg1, 0);
60cd49d5 4344 goto do_stat64;
a315a145
FB		 4345#endif
4346#ifdef TARGET_NR_lstat64
31e31b8a 4347 case TARGET_NR_lstat64:
53a5960a
PB		 4348 p = lock_user_string(arg1);
4349 ret = get_errno(lstat(path(p), &st));
4350 unlock_user(p, arg1, 0);
60cd49d5 4351 goto do_stat64;
a315a145
FB		 4352#endif
4353#ifdef TARGET_NR_fstat64
31e31b8a 4354 case TARGET_NR_fstat64:
60cd49d5
FB		 4355 {
4356 ret = get_errno(fstat(arg1, &st));
4357 do_stat64:
4358 if (!is_error(ret)) {
ce4defa0
PB		 4359#ifdef TARGET_ARM
4360 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a
PB		 4361 struct target_eabi_stat64 *target_st;
4362 lock_user_struct(target_st, arg2, 1);
ce4defa0 4363 memset(target_st, 0, sizeof(struct target_eabi_stat64));
53a5960a 4364 /* put_user is probably wrong. */
ce4defa0
PB		 4365 put_user(st.st_dev, &target_st->st_dev);
4366 put_user(st.st_ino, &target_st->st_ino);
4367#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4368 put_user(st.st_ino, &target_st->__st_ino);
4369#endif
4370 put_user(st.st_mode, &target_st->st_mode);
4371 put_user(st.st_nlink, &target_st->st_nlink);
4372 put_user(st.st_uid, &target_st->st_uid);
4373 put_user(st.st_gid, &target_st->st_gid);
4374 put_user(st.st_rdev, &target_st->st_rdev);
4375 /* XXX: better use of kernel struct */
4376 put_user(st.st_size, &target_st->st_size);
4377 put_user(st.st_blksize, &target_st->st_blksize);
4378 put_user(st.st_blocks, &target_st->st_blocks);
4379 put_user(st.st_atime, &target_st->target_st_atime);
4380 put_user(st.st_mtime, &target_st->target_st_mtime);
4381 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4382 unlock_user_struct(target_st, arg2, 0);
ce4defa0
PB		 4383 } else
4384#endif
4385 {
53a5960a
PB		 4386 struct target_stat64 *target_st;
4387 lock_user_struct(target_st, arg2, 1);
ce4defa0 4388 memset(target_st, 0, sizeof(struct target_stat64));
53a5960a 4389 /* ??? put_user is probably wrong. */
ce4defa0
PB		 4390 put_user(st.st_dev, &target_st->st_dev);
4391 put_user(st.st_ino, &target_st->st_ino);
ec86b0fb 4392#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
ce4defa0
PB		 4393 put_user(st.st_ino, &target_st->__st_ino);
4394#endif
4395 put_user(st.st_mode, &target_st->st_mode);
4396 put_user(st.st_nlink, &target_st->st_nlink);
4397 put_user(st.st_uid, &target_st->st_uid);
4398 put_user(st.st_gid, &target_st->st_gid);
4399 put_user(st.st_rdev, &target_st->st_rdev);
4400 /* XXX: better use of kernel struct */
4401 put_user(st.st_size, &target_st->st_size);
4402 put_user(st.st_blksize, &target_st->st_blksize);
4403 put_user(st.st_blocks, &target_st->st_blocks);
4404 put_user(st.st_atime, &target_st->target_st_atime);
4405 put_user(st.st_mtime, &target_st->target_st_mtime);
4406 put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 4407 unlock_user_struct(target_st, arg2, 0);
ce4defa0 4408 }
60cd49d5
FB		 4409 }
4410 }
4411 break;
a315a145 4412#endif
67867308
FB		 4413#ifdef USE_UID16
4414 case TARGET_NR_lchown:
53a5960a
PB		 4415 p = lock_user_string(arg1);
4416 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
4417 unlock_user(p, arg1, 0);
67867308
FB		 4418 break;
4419 case TARGET_NR_getuid:
4420 ret = get_errno(high2lowuid(getuid()));
4421 break;
4422 case TARGET_NR_getgid:
4423 ret = get_errno(high2lowgid(getgid()));
4424 break;
4425 case TARGET_NR_geteuid:
4426 ret = get_errno(high2lowuid(geteuid()));
4427 break;
4428 case TARGET_NR_getegid:
4429 ret = get_errno(high2lowgid(getegid()));
4430 break;
4431 case TARGET_NR_setreuid:
4432 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
4433 break;
4434 case TARGET_NR_setregid:
4435 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
4436 break;
4437 case TARGET_NR_getgroups:
4438 {
4439 int gidsetsize = arg1;
53a5960a 4440 uint16_t *target_grouplist;
67867308
FB		 4441 gid_t *grouplist;
4442 int i;
4443
4444 grouplist = alloca(gidsetsize * sizeof(gid_t));
4445 ret = get_errno(getgroups(gidsetsize, grouplist));
4446 if (!is_error(ret)) {
53a5960a 4447 target_grouplist = lock_user(arg2, gidsetsize * 2, 0);
67867308
FB		 4448 for(i = 0;i < gidsetsize; i++)
4449 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 4450 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 4451 }
4452 }
4453 break;
4454 case TARGET_NR_setgroups:
4455 {
4456 int gidsetsize = arg1;
53a5960a 4457 uint16_t *target_grouplist;
67867308
FB		 4458 gid_t *grouplist;
4459 int i;
4460
4461 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 4462 target_grouplist = lock_user(arg2, gidsetsize * 2, 1);
67867308
FB		 4463 for(i = 0;i < gidsetsize; i++)
4464 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 4465 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 4466 ret = get_errno(setgroups(gidsetsize, grouplist));
4467 }
4468 break;
4469 case TARGET_NR_fchown:
4470 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
4471 break;
ccfa72b7
TS		 4472#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
4473 case TARGET_NR_fchownat:
4474 if (!arg2) {
4475 ret = -EFAULT;
4476 goto fail;
4477 }
4478 p = lock_user_string(arg2);
4479 if (!access_ok(VERIFY_READ, p, 1))
4480 ret = -EFAULT;
4481 else
4482 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
4483 if (p)
4484 unlock_user(p, arg2, 0);
4485 break;
4486#endif
67867308
FB		 4487#ifdef TARGET_NR_setresuid
4488 case TARGET_NR_setresuid:
5fafdf24
TS		 4489 ret = get_errno(setresuid(low2highuid(arg1),
4490 low2highuid(arg2),
67867308
FB		 4491 low2highuid(arg3)));
4492 break;
4493#endif
4494#ifdef TARGET_NR_getresuid
4495 case TARGET_NR_getresuid:
4496 {
53a5960a 4497 uid_t ruid, euid, suid;
67867308
FB		 4498 ret = get_errno(getresuid(&ruid, &euid, &suid));
4499 if (!is_error(ret)) {
53a5960a
PB		 4500 tput16(arg1, tswap16(high2lowuid(ruid)));
4501 tput16(arg2, tswap16(high2lowuid(euid)));
4502 tput16(arg3, tswap16(high2lowuid(suid)));
67867308
FB		 4503 }
4504 }
4505 break;
4506#endif
4507#ifdef TARGET_NR_getresgid
4508 case TARGET_NR_setresgid:
5fafdf24
TS		 4509 ret = get_errno(setresgid(low2highgid(arg1),
4510 low2highgid(arg2),
67867308
FB		 4511 low2highgid(arg3)));
4512 break;
4513#endif
4514#ifdef TARGET_NR_getresgid
4515 case TARGET_NR_getresgid:
4516 {
53a5960a 4517 gid_t rgid, egid, sgid;
67867308
FB		 4518 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4519 if (!is_error(ret)) {
53a5960a
PB		 4520 tput16(arg1, tswap16(high2lowgid(rgid)));
4521 tput16(arg2, tswap16(high2lowgid(egid)));
4522 tput16(arg3, tswap16(high2lowgid(sgid)));
67867308
FB		 4523 }
4524 }
4525 break;
4526#endif
4527 case TARGET_NR_chown:
53a5960a
PB		 4528 p = lock_user_string(arg1);
4529 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
4530 unlock_user(p, arg1, 0);
67867308
FB		 4531 break;
4532 case TARGET_NR_setuid:
4533 ret = get_errno(setuid(low2highuid(arg1)));
4534 break;
4535 case TARGET_NR_setgid:
4536 ret = get_errno(setgid(low2highgid(arg1)));
4537 break;
4538 case TARGET_NR_setfsuid:
4539 ret = get_errno(setfsuid(arg1));
4540 break;
4541 case TARGET_NR_setfsgid:
4542 ret = get_errno(setfsgid(arg1));
4543 break;
4544#endif /* USE_UID16 */
4545
a315a145 4546#ifdef TARGET_NR_lchown32
31e31b8a 4547 case TARGET_NR_lchown32:
53a5960a
PB		 4548 p = lock_user_string(arg1);
4549 ret = get_errno(lchown(p, arg2, arg3));
4550 unlock_user(p, arg1, 0);
b03c60f3 4551 break;
a315a145
FB		 4552#endif
4553#ifdef TARGET_NR_getuid32
31e31b8a 4554 case TARGET_NR_getuid32:
b03c60f3
FB		 4555 ret = get_errno(getuid());
4556 break;
a315a145
FB		 4557#endif
4558#ifdef TARGET_NR_getgid32
31e31b8a 4559 case TARGET_NR_getgid32:
b03c60f3
FB		 4560 ret = get_errno(getgid());
4561 break;
a315a145
FB		 4562#endif
4563#ifdef TARGET_NR_geteuid32
31e31b8a 4564 case TARGET_NR_geteuid32:
b03c60f3
FB		 4565 ret = get_errno(geteuid());
4566 break;
a315a145
FB		 4567#endif
4568#ifdef TARGET_NR_getegid32
31e31b8a 4569 case TARGET_NR_getegid32:
b03c60f3
FB		 4570 ret = get_errno(getegid());
4571 break;
a315a145
FB		 4572#endif
4573#ifdef TARGET_NR_setreuid32
31e31b8a 4574 case TARGET_NR_setreuid32:
b03c60f3
FB		 4575 ret = get_errno(setreuid(arg1, arg2));
4576 break;
a315a145
FB		 4577#endif
4578#ifdef TARGET_NR_setregid32
31e31b8a 4579 case TARGET_NR_setregid32:
b03c60f3
FB		 4580 ret = get_errno(setregid(arg1, arg2));
4581 break;
a315a145
FB		 4582#endif
4583#ifdef TARGET_NR_getgroups32
31e31b8a 4584 case TARGET_NR_getgroups32:
99c475ab
FB		 4585 {
4586 int gidsetsize = arg1;
53a5960a 4587 uint32_t *target_grouplist;
99c475ab
FB		 4588 gid_t *grouplist;
4589 int i;
4590
4591 grouplist = alloca(gidsetsize * sizeof(gid_t));
4592 ret = get_errno(getgroups(gidsetsize, grouplist));
4593 if (!is_error(ret)) {
53a5960a 4594 target_grouplist = lock_user(arg2, gidsetsize * 4, 0);
99c475ab 4595 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 4596 target_grouplist[i] = tswap32(grouplist[i]);
4597 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 4598 }
4599 }
4600 break;
a315a145
FB		 4601#endif
4602#ifdef TARGET_NR_setgroups32
31e31b8a 4603 case TARGET_NR_setgroups32:
99c475ab
FB		 4604 {
4605 int gidsetsize = arg1;
53a5960a 4606 uint32_t *target_grouplist;
99c475ab
FB		 4607 gid_t *grouplist;
4608 int i;
3b46e624 4609
99c475ab 4610 grouplist = alloca(gidsetsize * sizeof(gid_t));
53a5960a 4611 target_grouplist = lock_user(arg2, gidsetsize * 4, 1);
99c475ab 4612 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 4613 grouplist[i] = tswap32(target_grouplist[i]);
4614 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 4615 ret = get_errno(setgroups(gidsetsize, grouplist));
4616 }
4617 break;
a315a145
FB		 4618#endif
4619#ifdef TARGET_NR_fchown32
31e31b8a 4620 case TARGET_NR_fchown32:
b03c60f3
FB		 4621 ret = get_errno(fchown(arg1, arg2, arg3));
4622 break;
a315a145
FB		 4623#endif
4624#ifdef TARGET_NR_setresuid32
31e31b8a 4625 case TARGET_NR_setresuid32:
b03c60f3
FB		 4626 ret = get_errno(setresuid(arg1, arg2, arg3));
4627 break;
a315a145
FB		 4628#endif
4629#ifdef TARGET_NR_getresuid32
31e31b8a 4630 case TARGET_NR_getresuid32:
b03c60f3 4631 {
53a5960a 4632 uid_t ruid, euid, suid;
b03c60f3
FB		 4633 ret = get_errno(getresuid(&ruid, &euid, &suid));
4634 if (!is_error(ret)) {
53a5960a
PB		 4635 tput32(arg1, tswap32(ruid));
4636 tput32(arg2, tswap32(euid));
4637 tput32(arg3, tswap32(suid));
b03c60f3
FB		 4638 }
4639 }
4640 break;
a315a145
FB		 4641#endif
4642#ifdef TARGET_NR_setresgid32
31e31b8a 4643 case TARGET_NR_setresgid32:
b03c60f3
FB		 4644 ret = get_errno(setresgid(arg1, arg2, arg3));
4645 break;
a315a145
FB		 4646#endif
4647#ifdef TARGET_NR_getresgid32
31e31b8a 4648 case TARGET_NR_getresgid32:
b03c60f3 4649 {
53a5960a 4650 gid_t rgid, egid, sgid;
b03c60f3
FB		 4651 ret = get_errno(getresgid(&rgid, &egid, &sgid));
4652 if (!is_error(ret)) {
53a5960a
PB		 4653 tput32(arg1, tswap32(rgid));
4654 tput32(arg2, tswap32(egid));
4655 tput32(arg3, tswap32(sgid));
b03c60f3
FB		 4656 }
4657 }
4658 break;
a315a145
FB		 4659#endif
4660#ifdef TARGET_NR_chown32
31e31b8a 4661 case TARGET_NR_chown32:
53a5960a
PB		 4662 p = lock_user_string(arg1);
4663 ret = get_errno(chown(p, arg2, arg3));
4664 unlock_user(p, arg1, 0);
b03c60f3 4665 break;
a315a145
FB		 4666#endif
4667#ifdef TARGET_NR_setuid32
31e31b8a 4668 case TARGET_NR_setuid32:
b03c60f3
FB		 4669 ret = get_errno(setuid(arg1));
4670 break;
a315a145
FB		 4671#endif
4672#ifdef TARGET_NR_setgid32
31e31b8a 4673 case TARGET_NR_setgid32:
b03c60f3
FB		 4674 ret = get_errno(setgid(arg1));
4675 break;
a315a145
FB		 4676#endif
4677#ifdef TARGET_NR_setfsuid32
31e31b8a 4678 case TARGET_NR_setfsuid32:
b03c60f3
FB		 4679 ret = get_errno(setfsuid(arg1));
4680 break;
a315a145
FB		 4681#endif
4682#ifdef TARGET_NR_setfsgid32
31e31b8a 4683 case TARGET_NR_setfsgid32:
b03c60f3
FB		 4684 ret = get_errno(setfsgid(arg1));
4685 break;
a315a145 4686#endif
67867308 4687
31e31b8a 4688 case TARGET_NR_pivot_root:
b03c60f3 4689 goto unimplemented;
ffa65c3b 4690#ifdef TARGET_NR_mincore
31e31b8a 4691 case TARGET_NR_mincore:
b03c60f3 4692 goto unimplemented;
ffa65c3b
FB		 4693#endif
4694#ifdef TARGET_NR_madvise
31e31b8a 4695 case TARGET_NR_madvise:
24836689
PB		 4696 /* A straight passthrough may not be safe because qemu sometimes
4697 turns private flie-backed mappings into anonymous mappings.
4698 This will break MADV_DONTNEED.
4699 This is a hint, so ignoring and returning success is ok. */
4700 ret = get_errno(0);
4701 break;
ffa65c3b 4702#endif
60cd49d5 4703#if TARGET_LONG_BITS == 32
31e31b8a 4704 case TARGET_NR_fcntl64:
77e4672d 4705 {
b1e341eb 4706 int cmd;
77e4672d 4707 struct flock64 fl;
53a5960a 4708 struct target_flock64 *target_fl;
ce4defa0 4709#ifdef TARGET_ARM
53a5960a 4710 struct target_eabi_flock64 *target_efl;
ce4defa0 4711#endif
77e4672d 4712
b1e341eb
TS		 4713 switch(arg2){
4714 case TARGET_F_GETLK64:
4715 cmd = F_GETLK64;
a7222580 4716 break;
b1e341eb
TS		 4717 case TARGET_F_SETLK64:
4718 cmd = F_SETLK64;
a7222580 4719 break;
b1e341eb
TS		 4720 case TARGET_F_SETLKW64:
4721 cmd = F_SETLK64;
a7222580 4722 break;
b1e341eb
TS		 4723 default:
4724 cmd = arg2;
a7222580 4725 break;
b1e341eb
TS		 4726 }
4727
60cd49d5 4728 switch(arg2) {
b1e341eb 4729 case TARGET_F_GETLK64:
5813427b
TS		 4730#ifdef TARGET_ARM
4731 if (((CPUARMState *)cpu_env)->eabi) {
4732 lock_user_struct(target_efl, arg3, 1);
4733 fl.l_type = tswap16(target_efl->l_type);
4734 fl.l_whence = tswap16(target_efl->l_whence);
4735 fl.l_start = tswap64(target_efl->l_start);
4736 fl.l_len = tswap64(target_efl->l_len);
4737 fl.l_pid = tswapl(target_efl->l_pid);
4738 unlock_user_struct(target_efl, arg3, 0);
4739 } else
4740#endif
4741 {
4742 lock_user_struct(target_fl, arg3, 1);
4743 fl.l_type = tswap16(target_fl->l_type);
4744 fl.l_whence = tswap16(target_fl->l_whence);
4745 fl.l_start = tswap64(target_fl->l_start);
4746 fl.l_len = tswap64(target_fl->l_len);
4747 fl.l_pid = tswapl(target_fl->l_pid);
4748 unlock_user_struct(target_fl, arg3, 0);
4749 }
b1e341eb 4750 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4751 if (ret == 0) {
ce4defa0
PB		 4752#ifdef TARGET_ARM
4753 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4754 lock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4755 target_efl->l_type = tswap16(fl.l_type);
4756 target_efl->l_whence = tswap16(fl.l_whence);
4757 target_efl->l_start = tswap64(fl.l_start);
4758 target_efl->l_len = tswap64(fl.l_len);
4759 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 4760 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4761 } else
4762#endif
4763 {
53a5960a 4764 lock_user_struct(target_fl, arg3, 0);
ce4defa0
PB		 4765 target_fl->l_type = tswap16(fl.l_type);
4766 target_fl->l_whence = tswap16(fl.l_whence);
4767 target_fl->l_start = tswap64(fl.l_start);
4768 target_fl->l_len = tswap64(fl.l_len);
4769 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 4770 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 4771 }
77e4672d
FB		 4772 }
4773 break;
4774
b1e341eb
TS		 4775 case TARGET_F_SETLK64:
4776 case TARGET_F_SETLKW64:
ce4defa0
PB		 4777#ifdef TARGET_ARM
4778 if (((CPUARMState *)cpu_env)->eabi) {
53a5960a 4779 lock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 4780 fl.l_type = tswap16(target_efl->l_type);
4781 fl.l_whence = tswap16(target_efl->l_whence);
4782 fl.l_start = tswap64(target_efl->l_start);
4783 fl.l_len = tswap64(target_efl->l_len);
4784 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 4785 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 4786 } else
4787#endif
4788 {
53a5960a 4789 lock_user_struct(target_fl, arg3, 1);
ce4defa0
PB		 4790 fl.l_type = tswap16(target_fl->l_type);
4791 fl.l_whence = tswap16(target_fl->l_whence);
4792 fl.l_start = tswap64(target_fl->l_start);
4793 fl.l_len = tswap64(target_fl->l_len);
4794 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 4795 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 4796 }
b1e341eb 4797 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 4798 break;
60cd49d5 4799 default:
b1e341eb 4800 ret = get_errno(do_fcntl(arg1, cmd, arg3));
60cd49d5
FB		 4801 break;
4802 }
77e4672d
FB		 4803 break;
4804 }
60cd49d5 4805#endif
7d600c80
TS		 4806#ifdef TARGET_NR_cacheflush
4807 case TARGET_NR_cacheflush:
4808 /* self-modifying code is handled automatically, so nothing needed */
4809 ret = 0;
4810 break;
4811#endif
ebc05488 4812#ifdef TARGET_NR_security
31e31b8a
FB		 4813 case TARGET_NR_security:
4814 goto unimplemented;
c573ff67
FB		 4815#endif
4816#ifdef TARGET_NR_getpagesize
4817 case TARGET_NR_getpagesize:
4818 ret = TARGET_PAGE_SIZE;
4819 break;
ebc05488 4820#endif
31e31b8a
FB		 4821 case TARGET_NR_gettid:
4822 ret = get_errno(gettid());
4823 break;
e5febef5 4824#ifdef TARGET_NR_readahead
31e31b8a 4825 case TARGET_NR_readahead:
5cd4393b 4826 goto unimplemented;
e5febef5 4827#endif
ebc05488 4828#ifdef TARGET_NR_setxattr
31e31b8a
FB		 4829 case TARGET_NR_setxattr:
4830 case TARGET_NR_lsetxattr:
4831 case TARGET_NR_fsetxattr:
4832 case TARGET_NR_getxattr:
4833 case TARGET_NR_lgetxattr:
4834 case TARGET_NR_fgetxattr:
4835 case TARGET_NR_listxattr:
4836 case TARGET_NR_llistxattr:
4837 case TARGET_NR_flistxattr:
4838 case TARGET_NR_removexattr:
4839 case TARGET_NR_lremovexattr:
4840 case TARGET_NR_fremovexattr:
5cd4393b 4841 goto unimplemented_nowarn;
ebc05488
FB		 4842#endif
4843#ifdef TARGET_NR_set_thread_area
5cd4393b 4844 case TARGET_NR_set_thread_area:
6f5b89a0
TS		 4845#ifdef TARGET_MIPS
4846 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
4847 ret = 0;
4848 break;
4849#else
4850 goto unimplemented_nowarn;
4851#endif
4852#endif
4853#ifdef TARGET_NR_get_thread_area
5cd4393b
FB		 4854 case TARGET_NR_get_thread_area:
4855 goto unimplemented_nowarn;
48dc41eb
FB		 4856#endif
4857#ifdef TARGET_NR_getdomainname
4858 case TARGET_NR_getdomainname:
4859 goto unimplemented_nowarn;
ebc05488 4860#endif
6f5b89a0 4861
b5906f95
TS		 4862#ifdef TARGET_NR_clock_gettime
4863 case TARGET_NR_clock_gettime:
4864 {
4865 struct timespec ts;
4866 ret = get_errno(clock_gettime(arg1, &ts));
4867 if (!is_error(ret)) {
4868 host_to_target_timespec(arg2, &ts);
4869 }
4870 break;
4871 }
4872#endif
4873#ifdef TARGET_NR_clock_getres
4874 case TARGET_NR_clock_getres:
4875 {
4876 struct timespec ts;
4877 ret = get_errno(clock_getres(arg1, &ts));
4878 if (!is_error(ret)) {
4879 host_to_target_timespec(arg2, &ts);
4880 }
4881 break;
4882 }
4883#endif
4884
6f5b89a0
TS		 4885#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
4886 case TARGET_NR_set_tid_address:
4887 ret = get_errno(set_tid_address((int *) arg1));
4888 break;
4889#endif
4890
3ae43202 4891#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16
TS		 4892 case TARGET_NR_tkill:
4893 ret = get_errno(sys_tkill((int)arg1, (int)arg2));
4894 break;
4895#endif
4896
3ae43202 4897#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574
TS		 4898 case TARGET_NR_tgkill:
4899 ret = get_errno(sys_tgkill((int)arg1, (int)arg2, (int)arg3));
4900 break;
4901#endif
4902
4f2b1fe8
TS		 4903#ifdef TARGET_NR_set_robust_list
4904 case TARGET_NR_set_robust_list:
4905 goto unimplemented_nowarn;
4906#endif
4907
9007f0ef
TS		 4908#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
4909 case TARGET_NR_utimensat:
4910 {
4911 struct timespec ts[2];
4912 target_to_host_timespec(ts, arg3);
4913 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
4914 if (!arg2)
4915 ret = get_errno(sys_utimensat(arg1, NULL, ts, arg4));
4916 else {
4917 p = lock_user_string(arg2);
4918 if (!access_ok(VERIFY_READ, p, 1))
4919 ret = -EFAULT;
4920 else
4921 ret = get_errno(sys_utimensat(arg1, path(p), ts, arg4));
4922 if (p)
4923 unlock_user(p, arg2, 0);
4924 }
4925 }
4926 break;
4927#endif
4928
31e31b8a
FB		 4929 default:
4930 unimplemented:
5cd4393b 4931 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 4932#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 4933 unimplemented_nowarn:
80a9d035 4934#endif
31e31b8a
FB		 4935 ret = -ENOSYS;
4936 break;
4937 }
4938 fail:
c573ff67
FB		 4939#ifdef DEBUG
4940 gemu_log(" = %ld\n", ret);
4941#endif
31e31b8a
FB		 4942 return ret;
4943}
4944
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