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Return EOPNOTSUPP instead of ENOSYS for *xattr* syscalls
[thirdparty/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
530e7615
BS		 18 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 * MA 02110-1301, USA.
31e31b8a
FB		 20 */
21#include <stdlib.h>
22#include <stdio.h>
23#include <stdarg.h>
04369ff2 24#include <string.h>
31e31b8a
FB		 25#include <elf.h>
26#include <endian.h>
27#include <errno.h>
28#include <unistd.h>
29#include <fcntl.h>
7854b056 30#include <time.h>
82e671d9 31#include <limits.h>
24e1003a 32#include <mqueue.h>
31e31b8a 33#include <sys/types.h>
d08d3bb8
TS		 34#include <sys/ipc.h>
35#include <sys/msg.h>
31e31b8a
FB		 36#include <sys/wait.h>
37#include <sys/time.h>
38#include <sys/stat.h>
39#include <sys/mount.h>
39b9aae1 40#include <sys/prctl.h>
31e31b8a
FB		 41#include <sys/resource.h>
42#include <sys/mman.h>
43#include <sys/swap.h>
44#include <signal.h>
45#include <sched.h>
46#include <sys/socket.h>
607175e0 47#include <sys/un.h>
31e31b8a 48#include <sys/uio.h>
9de5e440 49#include <sys/poll.h>
32f36bce 50#include <sys/times.h>
8853f86e 51#include <sys/shm.h>
fa294816 52#include <sys/sem.h>
56c8f68f 53#include <sys/statfs.h>
ebc05488 54#include <utime.h>
a5448a7d 55#include <sys/sysinfo.h>
3b3f24ad 56#include <sys/utsname.h>
72f03900 57//#include <sys/user.h>
8853f86e 58#include <netinet/ip.h>
7854b056 59#include <netinet/tcp.h>
0b6d3ae0 60#include <qemu-common.h>
6d946cda
AJ		 61#ifdef HAVE_GPROF
62#include <sys/gmon.h>
63#endif
31e31b8a
FB		 64
65#define termios host_termios
66#define winsize host_winsize
67#define termio host_termio
04369ff2
FB		 68#define sgttyb host_sgttyb /* same as target */
69#define tchars host_tchars /* same as target */
70#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 71
72#include <linux/termios.h>
73#include <linux/unistd.h>
74#include <linux/utsname.h>
75#include <linux/cdrom.h>
76#include <linux/hdreg.h>
77#include <linux/soundcard.h>
19b84f3c 78#include <linux/kd.h>
8fbd6b52 79#include <linux/mtio.h>
d7e4036e 80#include "linux_loop.h"
31e31b8a 81
3ef693a0 82#include "qemu.h"
526ccb7a 83#include "qemu-common.h"
31e31b8a 84
30813cea
PB		 85#if defined(USE_NPTL)
86#include <linux/futex.h>
d865bab5
PB		 87#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
88 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
89#else
90/* XXX: Hardcode the above values. */
91#define CLONE_NPTL_FLAGS2 0
30813cea
PB		 92#endif
93
72f03900 94//#define DEBUG
31e31b8a 95
1a9353d2 96//#include <linux/msdos_fs.h>
6556a833
AJ		 97#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
98#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 99
70a194b9 100
70a194b9
FB		 101#undef _syscall0
102#undef _syscall1
103#undef _syscall2
104#undef _syscall3
105#undef _syscall4
106#undef _syscall5
83fcb515 107#undef _syscall6
70a194b9 108
83fcb515 109#define _syscall0(type,name) \
8fcd3692 110static type name (void) \
83fcb515
FB		 111{ \
112 return syscall(__NR_##name); \
113}
70a194b9 114
83fcb515 115#define _syscall1(type,name,type1,arg1) \
8fcd3692 116static type name (type1 arg1) \
83fcb515
FB		 117{ \
118 return syscall(__NR_##name, arg1); \
70a194b9
FB		 119}
120
83fcb515 121#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 122static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 123{ \
124 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 125}
126
83fcb515 127#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 128static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 129{ \
130 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 131}
132
83fcb515 133#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 134static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 135{ \
136 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 137}
138
83fcb515
FB		 139#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
140 type5,arg5) \
8fcd3692 141static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 142{ \
143 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 144}
145
83fcb515
FB		 146
147#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
148 type5,arg5,type6,arg6) \
8fcd3692
BS		 149static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
150 type6 arg6) \
83fcb515
FB		 151{ \
152 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 153}
83fcb515 154
70a194b9 155
31e31b8a 156#define __NR_sys_uname __NR_uname
92a34c10 157#define __NR_sys_faccessat __NR_faccessat
814d7977 158#define __NR_sys_fchmodat __NR_fchmodat
ccfa72b7 159#define __NR_sys_fchownat __NR_fchownat
6a24a778 160#define __NR_sys_fstatat64 __NR_fstatat64
ac8a6556 161#define __NR_sys_futimesat __NR_futimesat
72f03900 162#define __NR_sys_getcwd1 __NR_getcwd
72f03900 163#define __NR_sys_getdents __NR_getdents
dab2ed99 164#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 165#define __NR_sys_getpriority __NR_getpriority
64f0ce4c 166#define __NR_sys_linkat __NR_linkat
4472ad0d 167#define __NR_sys_mkdirat __NR_mkdirat
75ac37a0 168#define __NR_sys_mknodat __NR_mknodat
9d33b76b 169#define __NR_sys_newfstatat __NR_newfstatat
82424832 170#define __NR_sys_openat __NR_openat
5e0ccb18 171#define __NR_sys_readlinkat __NR_readlinkat
722183f6 172#define __NR_sys_renameat __NR_renameat
66fb9763 173#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
f0b6243d 174#define __NR_sys_symlinkat __NR_symlinkat
7494b0f9 175#define __NR_sys_syslog __NR_syslog
71455574 176#define __NR_sys_tgkill __NR_tgkill
4cae1d16 177#define __NR_sys_tkill __NR_tkill
8170f56b 178#define __NR_sys_unlinkat __NR_unlinkat
9007f0ef 179#define __NR_sys_utimensat __NR_utimensat
bd0c5661 180#define __NR_sys_futex __NR_futex
39b59763
AJ		 181#define __NR_sys_inotify_init __NR_inotify_init
182#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
183#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 184
bc51c5c9 185#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 186#define __NR__llseek __NR_lseek
187#endif
188
72f03900 189#ifdef __NR_gettid
31e31b8a 190_syscall0(int, gettid)
72f03900 191#else
0da46a6e
TS		 192/* This is a replacement for the host gettid() and must return a host
193 errno. */
72f03900
FB		 194static int gettid(void) {
195 return -ENOSYS;
196}
197#endif
3b3f24ad
AJ		 198#if TARGET_ABI_BITS == 32
199_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
200#endif
201#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
202_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
203#endif
204_syscall2(int, sys_getpriority, int, which, int, who);
909b69cf 205#if defined(TARGET_NR__llseek) && !defined (__x86_64__)
3b3f24ad
AJ		 206_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
207 loff_t *, res, uint, wh);
208#endif
209_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
210_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
211#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
212_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
213#endif
214#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
215_syscall2(int,sys_tkill,int,tid,int,sig)
216#endif
217#ifdef __NR_exit_group
218_syscall1(int,exit_group,int,error_code)
219#endif
220#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
221_syscall1(int,set_tid_address,int *,tidptr)
222#endif
223#if defined(USE_NPTL)
224#if defined(TARGET_NR_futex) && defined(__NR_futex)
225_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
226 const struct timespec *,timeout,int *,uaddr2,int,val3)
227#endif
228#endif
229
230static bitmask_transtbl fcntl_flags_tbl[] = {
231 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
232 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
233 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
234 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
235 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
236 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
237 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
238 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
239 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
240 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
241 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
242 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
243 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
244#if defined(O_DIRECT)
245 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
246#endif
247 { 0, 0, 0, 0 }
248};
249
250#define COPY_UTSNAME_FIELD(dest, src) \
251 do { \
252 /* __NEW_UTS_LEN doesn't include terminating null */ \
253 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
254 (dest)[__NEW_UTS_LEN] = '\0'; \
255 } while (0)
256
257static int sys_uname(struct new_utsname *buf)
258{
259 struct utsname uts_buf;
260
261 if (uname(&uts_buf) < 0)
262 return (-1);
263
264 /*
265 * Just in case these have some differences, we
266 * translate utsname to new_utsname (which is the
267 * struct linux kernel uses).
268 */
269
270 bzero(buf, sizeof (*buf));
271 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
272 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
273 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
274 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
275 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
276#ifdef _GNU_SOURCE
277 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
278#endif
279 return (0);
280
281#undef COPY_UTSNAME_FIELD
282}
283
284static int sys_getcwd1(char *buf, size_t size)
285{
286 if (getcwd(buf, size) == NULL) {
287 /* getcwd() sets errno */
288 return (-1);
289 }
aaf4ad39 290 return strlen(buf)+1;
3b3f24ad
AJ		 291}
292
293#ifdef CONFIG_ATFILE
294/*
295 * Host system seems to have atfile syscall stubs available. We
296 * now enable them one by one as specified by target syscall_nr.h.
297 */
298
299#ifdef TARGET_NR_faccessat
465c9f06 300static int sys_faccessat(int dirfd, const char *pathname, int mode)
3b3f24ad 301{
465c9f06 302 return (faccessat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 303}
304#endif
305#ifdef TARGET_NR_fchmodat
465c9f06 306static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
3b3f24ad 307{
465c9f06 308 return (fchmodat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 309}
310#endif
fda33744 311#if defined(TARGET_NR_fchownat) && defined(USE_UID16)
3b3f24ad
AJ		 312static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
313 gid_t group, int flags)
314{
315 return (fchownat(dirfd, pathname, owner, group, flags));
316}
317#endif
318#ifdef __NR_fstatat64
319static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
320 int flags)
321{
322 return (fstatat(dirfd, pathname, buf, flags));
323}
324#endif
325#ifdef __NR_newfstatat
326static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
327 int flags)
328{
329 return (fstatat(dirfd, pathname, buf, flags));
330}
331#endif
332#ifdef TARGET_NR_futimesat
333static int sys_futimesat(int dirfd, const char *pathname,
334 const struct timeval times[2])
335{
336 return (futimesat(dirfd, pathname, times));
337}
338#endif
339#ifdef TARGET_NR_linkat
340static int sys_linkat(int olddirfd, const char *oldpath,
341 int newdirfd, const char *newpath, int flags)
342{
343 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
344}
345#endif
346#ifdef TARGET_NR_mkdirat
347static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
348{
349 return (mkdirat(dirfd, pathname, mode));
350}
351#endif
352#ifdef TARGET_NR_mknodat
353static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
354 dev_t dev)
355{
356 return (mknodat(dirfd, pathname, mode, dev));
357}
358#endif
359#ifdef TARGET_NR_openat
360static int sys_openat(int dirfd, const char *pathname, int flags, ...)
361{
362 /*
363 * open(2) has extra parameter 'mode' when called with
364 * flag O_CREAT.
365 */
366 if ((flags & O_CREAT) != 0) {
367 va_list ap;
368 mode_t mode;
369
370 /*
371 * Get the 'mode' parameter and translate it to
372 * host bits.
373 */
374 va_start(ap, flags);
375 mode = va_arg(ap, mode_t);
376 mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
377 va_end(ap);
378
379 return (openat(dirfd, pathname, flags, mode));
380 }
381 return (openat(dirfd, pathname, flags));
382}
383#endif
384#ifdef TARGET_NR_readlinkat
385static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
386{
387 return (readlinkat(dirfd, pathname, buf, bufsiz));
388}
389#endif
390#ifdef TARGET_NR_renameat
391static int sys_renameat(int olddirfd, const char *oldpath,
392 int newdirfd, const char *newpath)
393{
394 return (renameat(olddirfd, oldpath, newdirfd, newpath));
395}
396#endif
397#ifdef TARGET_NR_symlinkat
398static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
399{
400 return (symlinkat(oldpath, newdirfd, newpath));
401}
402#endif
403#ifdef TARGET_NR_unlinkat
404static int sys_unlinkat(int dirfd, const char *pathname, int flags)
405{
406 return (unlinkat(dirfd, pathname, flags));
407}
408#endif
3b3f24ad
AJ		 409#else /* !CONFIG_ATFILE */
410
411/*
412 * Try direct syscalls instead
413 */
92a34c10 414#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
465c9f06 415_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
92a34c10 416#endif
814d7977 417#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
465c9f06 418_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
814d7977 419#endif
4583f589 420#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
ccfa72b7
TS		 421_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
422 uid_t,owner,gid_t,group,int,flags)
423#endif
9d33b76b
AJ		 424#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
425 defined(__NR_fstatat64)
6a24a778
AZ		 426_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
427 struct stat *,buf,int,flags)
428#endif
ac8a6556
AZ		 429#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
430_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
431 const struct timeval *,times)
432#endif
3b3f24ad
AJ		 433#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
434 defined(__NR_newfstatat)
435_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
436 struct stat *,buf,int,flags)
8fcd3692 437#endif
64f0ce4c
TS		 438#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
439_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
3b3f24ad 440 int,newdirfd,const char *,newpath,int,flags)
64f0ce4c 441#endif
4472ad0d
TS		 442#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
443_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
444#endif
75ac37a0
TS		 445#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
446_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
447 mode_t,mode,dev_t,dev)
448#endif
82424832
TS		 449#if defined(TARGET_NR_openat) && defined(__NR_openat)
450_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
451#endif
5e0ccb18
TS		 452#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
453_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
454 char *,buf,size_t,bufsize)
455#endif
722183f6
TS		 456#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
457_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
458 int,newdirfd,const char *,newpath)
459#endif
b51eaa82 460#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
f0b6243d
TS		 461_syscall3(int,sys_symlinkat,const char *,oldpath,
462 int,newdirfd,const char *,newpath)
463#endif
8170f56b
TS		 464#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
465_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
466#endif
ebc996f3
RV		 467
468#endif /* CONFIG_ATFILE */
469
470#ifdef CONFIG_UTIMENSAT
471static int sys_utimensat(int dirfd, const char *pathname,
472 const struct timespec times[2], int flags)
473{
474 if (pathname == NULL)
475 return futimens(dirfd, times);
476 else
477 return utimensat(dirfd, pathname, times, flags);
478}
479#else
9007f0ef
TS		 480#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
481_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
482 const struct timespec *,tsp,int,flags)
483#endif
ebc996f3 484#endif /* CONFIG_UTIMENSAT */
3b3f24ad
AJ		 485
486#ifdef CONFIG_INOTIFY
8690e420 487#include <sys/inotify.h>
3b3f24ad 488
39b59763 489#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 490static int sys_inotify_init(void)
491{
492 return (inotify_init());
493}
39b59763
AJ		 494#endif
495#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 496static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
497{
498 return (inotify_add_watch(fd, pathname, mask));
499}
39b59763
AJ		 500#endif
501#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 502static int sys_inotify_rm_watch(int fd, int32_t wd)
503{
8690e420 504 return (inotify_rm_watch(fd, wd));
3b3f24ad 505}
bd0c5661 506#endif
3b3f24ad
AJ		 507#else
508/* Userspace can usually survive runtime without inotify */
509#undef TARGET_NR_inotify_init
510#undef TARGET_NR_inotify_add_watch
511#undef TARGET_NR_inotify_rm_watch
512#endif /* CONFIG_INOTIFY */
513
66fb9763
FB		 514
515extern int personality(int);
9de5e440
FB		 516extern int flock(int, int);
517extern int setfsuid(int);
518extern int setfsgid(int);
19b84f3c 519extern int setgroups(int, gid_t *);
31e31b8a 520
b92c47c1
TS		 521#define ERRNO_TABLE_SIZE 1200
522
523/* target_to_host_errno_table[] is initialized from
524 * host_to_target_errno_table[] in syscall_init(). */
525static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
526};
527
637947f1 528/*
fe8f096b 529 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 530 * minus the errnos that are not actually generic to all archs.
531 */
b92c47c1 532static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 533 [EIDRM] = TARGET_EIDRM,
534 [ECHRNG] = TARGET_ECHRNG,
535 [EL2NSYNC] = TARGET_EL2NSYNC,
536 [EL3HLT] = TARGET_EL3HLT,
537 [EL3RST] = TARGET_EL3RST,
538 [ELNRNG] = TARGET_ELNRNG,
539 [EUNATCH] = TARGET_EUNATCH,
540 [ENOCSI] = TARGET_ENOCSI,
541 [EL2HLT] = TARGET_EL2HLT,
542 [EDEADLK] = TARGET_EDEADLK,
543 [ENOLCK] = TARGET_ENOLCK,
544 [EBADE] = TARGET_EBADE,
545 [EBADR] = TARGET_EBADR,
546 [EXFULL] = TARGET_EXFULL,
547 [ENOANO] = TARGET_ENOANO,
548 [EBADRQC] = TARGET_EBADRQC,
549 [EBADSLT] = TARGET_EBADSLT,
550 [EBFONT] = TARGET_EBFONT,
551 [ENOSTR] = TARGET_ENOSTR,
552 [ENODATA] = TARGET_ENODATA,
553 [ETIME] = TARGET_ETIME,
554 [ENOSR] = TARGET_ENOSR,
555 [ENONET] = TARGET_ENONET,
556 [ENOPKG] = TARGET_ENOPKG,
557 [EREMOTE] = TARGET_EREMOTE,
558 [ENOLINK] = TARGET_ENOLINK,
559 [EADV] = TARGET_EADV,
560 [ESRMNT] = TARGET_ESRMNT,
561 [ECOMM] = TARGET_ECOMM,
562 [EPROTO] = TARGET_EPROTO,
563 [EDOTDOT] = TARGET_EDOTDOT,
564 [EMULTIHOP] = TARGET_EMULTIHOP,
565 [EBADMSG] = TARGET_EBADMSG,
566 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
567 [EOVERFLOW] = TARGET_EOVERFLOW,
568 [ENOTUNIQ] = TARGET_ENOTUNIQ,
569 [EBADFD] = TARGET_EBADFD,
570 [EREMCHG] = TARGET_EREMCHG,
571 [ELIBACC] = TARGET_ELIBACC,
572 [ELIBBAD] = TARGET_ELIBBAD,
573 [ELIBSCN] = TARGET_ELIBSCN,
574 [ELIBMAX] = TARGET_ELIBMAX,
575 [ELIBEXEC] = TARGET_ELIBEXEC,
576 [EILSEQ] = TARGET_EILSEQ,
577 [ENOSYS] = TARGET_ENOSYS,
578 [ELOOP] = TARGET_ELOOP,
579 [ERESTART] = TARGET_ERESTART,
580 [ESTRPIPE] = TARGET_ESTRPIPE,
581 [ENOTEMPTY] = TARGET_ENOTEMPTY,
582 [EUSERS] = TARGET_EUSERS,
583 [ENOTSOCK] = TARGET_ENOTSOCK,
584 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
585 [EMSGSIZE] = TARGET_EMSGSIZE,
586 [EPROTOTYPE] = TARGET_EPROTOTYPE,
587 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
588 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
589 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
590 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
591 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
592 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
593 [EADDRINUSE] = TARGET_EADDRINUSE,
594 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
595 [ENETDOWN] = TARGET_ENETDOWN,
596 [ENETUNREACH] = TARGET_ENETUNREACH,
597 [ENETRESET] = TARGET_ENETRESET,
598 [ECONNABORTED] = TARGET_ECONNABORTED,
599 [ECONNRESET] = TARGET_ECONNRESET,
600 [ENOBUFS] = TARGET_ENOBUFS,
601 [EISCONN] = TARGET_EISCONN,
602 [ENOTCONN] = TARGET_ENOTCONN,
603 [EUCLEAN] = TARGET_EUCLEAN,
604 [ENOTNAM] = TARGET_ENOTNAM,
605 [ENAVAIL] = TARGET_ENAVAIL,
606 [EISNAM] = TARGET_EISNAM,
607 [EREMOTEIO] = TARGET_EREMOTEIO,
608 [ESHUTDOWN] = TARGET_ESHUTDOWN,
609 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
610 [ETIMEDOUT] = TARGET_ETIMEDOUT,
611 [ECONNREFUSED] = TARGET_ECONNREFUSED,
612 [EHOSTDOWN] = TARGET_EHOSTDOWN,
613 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
614 [EALREADY] = TARGET_EALREADY,
615 [EINPROGRESS] = TARGET_EINPROGRESS,
616 [ESTALE] = TARGET_ESTALE,
617 [ECANCELED] = TARGET_ECANCELED,
618 [ENOMEDIUM] = TARGET_ENOMEDIUM,
619 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 620#ifdef ENOKEY
637947f1 621 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 622#endif
623#ifdef EKEYEXPIRED
637947f1 624 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 625#endif
626#ifdef EKEYREVOKED
637947f1 627 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 628#endif
629#ifdef EKEYREJECTED
637947f1 630 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 631#endif
632#ifdef EOWNERDEAD
637947f1 633 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 634#endif
635#ifdef ENOTRECOVERABLE
637947f1 636 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 637#endif
b92c47c1 638};
637947f1
TS		 639
640static inline int host_to_target_errno(int err)
641{
642 if(host_to_target_errno_table[err])
643 return host_to_target_errno_table[err];
644 return err;
645}
646
b92c47c1
TS		 647static inline int target_to_host_errno(int err)
648{
649 if (target_to_host_errno_table[err])
650 return target_to_host_errno_table[err];
651 return err;
652}
653
992f48a0 654static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 655{
656 if (ret == -1)
637947f1 657 return -host_to_target_errno(errno);
31e31b8a
FB		 658 else
659 return ret;
660}
661
992f48a0 662static inline int is_error(abi_long ret)
31e31b8a 663{
992f48a0 664 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 665}
666
b92c47c1
TS		 667char *target_strerror(int err)
668{
669 return strerror(target_to_host_errno(err));
670}
671
992f48a0
BS		 672static abi_ulong target_brk;
673static abi_ulong target_original_brk;
31e31b8a 674
992f48a0 675void target_set_brk(abi_ulong new_brk)
31e31b8a 676{
4c1de73d 677 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
31e31b8a
FB		 678}
679
0da46a6e 680/* do_brk() must return target values and target errnos. */
992f48a0 681abi_long do_brk(abi_ulong new_brk)
31e31b8a 682{
992f48a0
BS		 683 abi_ulong brk_page;
684 abi_long mapped_addr;
31e31b8a
FB		 685 int new_alloc_size;
686
687 if (!new_brk)
53a5960a 688 return target_brk;
31e31b8a 689 if (new_brk < target_original_brk)
7ab240ad 690 return target_brk;
3b46e624 691
53a5960a 692 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 693
694 /* If the new brk is less than this, set it and we're done... */
695 if (new_brk < brk_page) {
696 target_brk = new_brk;
53a5960a 697 return target_brk;
31e31b8a
FB		 698 }
699
700 /* We need to allocate more memory after the brk... */
54936004 701 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
5fafdf24 702 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 703 PROT_READ|PROT_WRITE,
704 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
7ab240ad
AZ		 705
706 if (!is_error(mapped_addr))
31e31b8a 707 target_brk = new_brk;
7ab240ad
AZ		 708
709 return target_brk;
31e31b8a
FB		 710}
711
26edcf41
TS		 712static inline abi_long copy_from_user_fdset(fd_set *fds,
713 abi_ulong target_fds_addr,
714 int n)
31e31b8a 715{
26edcf41
TS		 716 int i, nw, j, k;
717 abi_ulong b, *target_fds;
718
719 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
720 if (!(target_fds = lock_user(VERIFY_READ,
721 target_fds_addr,
722 sizeof(abi_ulong) * nw,
723 1)))
724 return -TARGET_EFAULT;
725
726 FD_ZERO(fds);
727 k = 0;
728 for (i = 0; i < nw; i++) {
729 /* grab the abi_ulong */
730 __get_user(b, &target_fds[i]);
731 for (j = 0; j < TARGET_ABI_BITS; j++) {
732 /* check the bit inside the abi_ulong */
733 if ((b >> j) & 1)
734 FD_SET(k, fds);
735 k++;
31e31b8a 736 }
31e31b8a 737 }
26edcf41
TS		 738
739 unlock_user(target_fds, target_fds_addr, 0);
740
741 return 0;
31e31b8a
FB		 742}
743
26edcf41
TS		 744static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
745 const fd_set *fds,
746 int n)
31e31b8a 747{
31e31b8a 748 int i, nw, j, k;
992f48a0 749 abi_long v;
26edcf41 750 abi_ulong *target_fds;
31e31b8a 751
26edcf41
TS		 752 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
753 if (!(target_fds = lock_user(VERIFY_WRITE,
754 target_fds_addr,
755 sizeof(abi_ulong) * nw,
756 0)))
757 return -TARGET_EFAULT;
758
759 k = 0;
760 for (i = 0; i < nw; i++) {
761 v = 0;
762 for (j = 0; j < TARGET_ABI_BITS; j++) {
763 v |= ((FD_ISSET(k, fds) != 0) << j);
764 k++;
31e31b8a 765 }
26edcf41 766 __put_user(v, &target_fds[i]);
31e31b8a 767 }
26edcf41
TS		 768
769 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
770
771 return 0;
31e31b8a
FB		 772}
773
c596ed17
FB		 774#if defined(__alpha__)
775#define HOST_HZ 1024
776#else
777#define HOST_HZ 100
778#endif
779
992f48a0 780static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 781{
782#if HOST_HZ == TARGET_HZ
783 return ticks;
784#else
785 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
786#endif
787}
788
579a97f7
FB		 789static inline abi_long host_to_target_rusage(abi_ulong target_addr,
790 const struct rusage *rusage)
b409186b 791{
53a5960a
PB		 792 struct target_rusage *target_rusage;
793
579a97f7
FB		 794 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
795 return -TARGET_EFAULT;
b409186b
FB		 796 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
797 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
798 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
799 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
800 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
801 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
802 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
803 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
804 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
805 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
806 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
807 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
808 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
809 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
810 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
811 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
812 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
813 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 814 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 815
816 return 0;
b409186b
FB		 817}
818
788f5ec4
TS		 819static inline abi_long copy_from_user_timeval(struct timeval *tv,
820 abi_ulong target_tv_addr)
31e31b8a 821{
53a5960a
PB		 822 struct target_timeval *target_tv;
823
788f5ec4 824 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 825 return -TARGET_EFAULT;
788f5ec4
TS		 826
827 __get_user(tv->tv_sec, &target_tv->tv_sec);
828 __get_user(tv->tv_usec, &target_tv->tv_usec);
829
830 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 831
832 return 0;
31e31b8a
FB		 833}
834
788f5ec4
TS		 835static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
836 const struct timeval *tv)
31e31b8a 837{
53a5960a
PB		 838 struct target_timeval *target_tv;
839
788f5ec4 840 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 841 return -TARGET_EFAULT;
788f5ec4
TS		 842
843 __put_user(tv->tv_sec, &target_tv->tv_sec);
844 __put_user(tv->tv_usec, &target_tv->tv_usec);
845
846 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 847
848 return 0;
31e31b8a
FB		 849}
850
24e1003a
AJ		 851static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
852 abi_ulong target_mq_attr_addr)
853{
854 struct target_mq_attr *target_mq_attr;
855
856 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
857 target_mq_attr_addr, 1))
858 return -TARGET_EFAULT;
859
860 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
861 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
862 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
863 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
864
865 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
866
867 return 0;
868}
869
870static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
871 const struct mq_attr *attr)
872{
873 struct target_mq_attr *target_mq_attr;
874
875 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
876 target_mq_attr_addr, 0))
877 return -TARGET_EFAULT;
878
879 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
880 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
881 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
882 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
883
884 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
885
886 return 0;
887}
31e31b8a 888
0da46a6e 889/* do_select() must return target values and target errnos. */
992f48a0 890static abi_long do_select(int n,
26edcf41
TS		 891 abi_ulong rfd_addr, abi_ulong wfd_addr,
892 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 893{
894 fd_set rfds, wfds, efds;
895 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
896 struct timeval tv, *tv_ptr;
992f48a0 897 abi_long ret;
31e31b8a 898
26edcf41
TS		 899 if (rfd_addr) {
900 if (copy_from_user_fdset(&rfds, rfd_addr, n))
901 return -TARGET_EFAULT;
902 rfds_ptr = &rfds;
53a5960a 903 } else {
53a5960a
PB		 904 rfds_ptr = NULL;
905 }
26edcf41
TS		 906 if (wfd_addr) {
907 if (copy_from_user_fdset(&wfds, wfd_addr, n))
908 return -TARGET_EFAULT;
909 wfds_ptr = &wfds;
53a5960a 910 } else {
53a5960a
PB		 911 wfds_ptr = NULL;
912 }
26edcf41
TS		 913 if (efd_addr) {
914 if (copy_from_user_fdset(&efds, efd_addr, n))
915 return -TARGET_EFAULT;
916 efds_ptr = &efds;
53a5960a 917 } else {
53a5960a
PB		 918 efds_ptr = NULL;
919 }
3b46e624 920
26edcf41 921 if (target_tv_addr) {
788f5ec4
TS		 922 if (copy_from_user_timeval(&tv, target_tv_addr))
923 return -TARGET_EFAULT;
31e31b8a
FB		 924 tv_ptr = &tv;
925 } else {
926 tv_ptr = NULL;
927 }
26edcf41 928
31e31b8a 929 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 930
26edcf41
TS		 931 if (!is_error(ret)) {
932 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
933 return -TARGET_EFAULT;
934 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
935 return -TARGET_EFAULT;
936 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
937 return -TARGET_EFAULT;
31e31b8a 938
788f5ec4
TS		 939 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
940 return -TARGET_EFAULT;
31e31b8a 941 }
579a97f7 942
31e31b8a
FB		 943 return ret;
944}
945
579a97f7
FB		 946static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
947 abi_ulong target_addr,
948 socklen_t len)
7854b056 949{
607175e0
AJ		 950 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
951 sa_family_t sa_family;
53a5960a
PB		 952 struct target_sockaddr *target_saddr;
953
579a97f7
FB		 954 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
955 if (!target_saddr)
956 return -TARGET_EFAULT;
607175e0
AJ		 957
958 sa_family = tswap16(target_saddr->sa_family);
959
960 /* Oops. The caller might send a incomplete sun_path; sun_path
961 * must be terminated by \0 (see the manual page), but
962 * unfortunately it is quite common to specify sockaddr_un
963 * length as "strlen(x->sun_path)" while it should be
964 * "strlen(...) + 1". We'll fix that here if needed.
965 * Linux kernel has a similar feature.
966 */
967
968 if (sa_family == AF_UNIX) {
969 if (len < unix_maxlen && len > 0) {
970 char *cp = (char*)target_saddr;
971
972 if ( cp[len-1] && !cp[len] )
973 len++;
974 }
975 if (len > unix_maxlen)
976 len = unix_maxlen;
977 }
978
53a5960a 979 memcpy(addr, target_saddr, len);
607175e0 980 addr->sa_family = sa_family;
53a5960a 981 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 982
983 return 0;
7854b056
FB		 984}
985
579a97f7
FB		 986static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
987 struct sockaddr *addr,
988 socklen_t len)
7854b056 989{
53a5960a
PB		 990 struct target_sockaddr *target_saddr;
991
579a97f7
FB		 992 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
993 if (!target_saddr)
994 return -TARGET_EFAULT;
53a5960a
PB		 995 memcpy(target_saddr, addr, len);
996 target_saddr->sa_family = tswap16(addr->sa_family);
997 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 998
999 return 0;
7854b056
FB		 1000}
1001
53a5960a 1002/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1003static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1004 struct target_msghdr *target_msgh)
7854b056
FB		 1005{
1006 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1007 abi_long msg_controllen;
1008 abi_ulong target_cmsg_addr;
1009 struct target_cmsghdr *target_cmsg;
7854b056 1010 socklen_t space = 0;
5a4a898d
FB		 1011
1012 msg_controllen = tswapl(target_msgh->msg_controllen);
1013 if (msg_controllen < sizeof (struct target_cmsghdr))
1014 goto the_end;
1015 target_cmsg_addr = tswapl(target_msgh->msg_control);
1016 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1017 if (!target_cmsg)
1018 return -TARGET_EFAULT;
7854b056
FB		 1019
1020 while (cmsg && target_cmsg) {
1021 void *data = CMSG_DATA(cmsg);
1022 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1023
5fafdf24 1024 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 1025 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1026
1027 space += CMSG_SPACE(len);
1028 if (space > msgh->msg_controllen) {
1029 space -= CMSG_SPACE(len);
31febb71 1030 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1031 break;
1032 }
1033
1034 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1035 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1036 cmsg->cmsg_len = CMSG_LEN(len);
1037
3532fa74 1038 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1039 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1040 memcpy(data, target_data, len);
1041 } else {
1042 int *fd = (int *)data;
1043 int *target_fd = (int *)target_data;
1044 int i, numfds = len / sizeof(int);
1045
1046 for (i = 0; i < numfds; i++)
1047 fd[i] = tswap32(target_fd[i]);
1048 }
1049
1050 cmsg = CMSG_NXTHDR(msgh, cmsg);
1051 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1052 }
5a4a898d
FB		 1053 unlock_user(target_cmsg, target_cmsg_addr, 0);
1054 the_end:
7854b056 1055 msgh->msg_controllen = space;
5a4a898d 1056 return 0;
7854b056
FB		 1057}
1058
53a5960a 1059/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1060static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1061 struct msghdr *msgh)
7854b056
FB		 1062{
1063 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1064 abi_long msg_controllen;
1065 abi_ulong target_cmsg_addr;
1066 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1067 socklen_t space = 0;
1068
5a4a898d
FB		 1069 msg_controllen = tswapl(target_msgh->msg_controllen);
1070 if (msg_controllen < sizeof (struct target_cmsghdr))
1071 goto the_end;
1072 target_cmsg_addr = tswapl(target_msgh->msg_control);
1073 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1074 if (!target_cmsg)
1075 return -TARGET_EFAULT;
1076
7854b056
FB		 1077 while (cmsg && target_cmsg) {
1078 void *data = CMSG_DATA(cmsg);
1079 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1080
1081 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1082
1083 space += TARGET_CMSG_SPACE(len);
5a4a898d 1084 if (space > msg_controllen) {
7854b056 1085 space -= TARGET_CMSG_SPACE(len);
31febb71 1086 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1087 break;
1088 }
1089
1090 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1091 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1092 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1093
3532fa74 1094 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1095 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1096 memcpy(target_data, data, len);
1097 } else {
1098 int *fd = (int *)data;
1099 int *target_fd = (int *)target_data;
1100 int i, numfds = len / sizeof(int);
1101
1102 for (i = 0; i < numfds; i++)
1103 target_fd[i] = tswap32(fd[i]);
1104 }
1105
1106 cmsg = CMSG_NXTHDR(msgh, cmsg);
1107 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1108 }
5a4a898d
FB		 1109 unlock_user(target_cmsg, target_cmsg_addr, space);
1110 the_end:
1111 target_msgh->msg_controllen = tswapl(space);
1112 return 0;
7854b056
FB		 1113}
1114
0da46a6e 1115/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1116static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1117 abi_ulong optval_addr, socklen_t optlen)
7854b056 1118{
992f48a0 1119 abi_long ret;
32407103 1120 int val;
3b46e624 1121
8853f86e
FB		 1122 switch(level) {
1123 case SOL_TCP:
7854b056 1124 /* TCP options all take an 'int' value. */
7854b056 1125 if (optlen < sizeof(uint32_t))
0da46a6e 1126 return -TARGET_EINVAL;
3b46e624 1127
2f619698
FB		 1128 if (get_user_u32(val, optval_addr))
1129 return -TARGET_EFAULT;
8853f86e
FB		 1130 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1131 break;
1132 case SOL_IP:
1133 switch(optname) {
2efbe911
FB		 1134 case IP_TOS:
1135 case IP_TTL:
8853f86e 1136 case IP_HDRINCL:
2efbe911
FB		 1137 case IP_ROUTER_ALERT:
1138 case IP_RECVOPTS:
1139 case IP_RETOPTS:
1140 case IP_PKTINFO:
1141 case IP_MTU_DISCOVER:
1142 case IP_RECVERR:
1143 case IP_RECVTOS:
1144#ifdef IP_FREEBIND
1145 case IP_FREEBIND:
1146#endif
1147 case IP_MULTICAST_TTL:
1148 case IP_MULTICAST_LOOP:
8853f86e
FB		 1149 val = 0;
1150 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1151 if (get_user_u32(val, optval_addr))
1152 return -TARGET_EFAULT;
8853f86e 1153 } else if (optlen >= 1) {
2f619698
FB		 1154 if (get_user_u8(val, optval_addr))
1155 return -TARGET_EFAULT;
8853f86e
FB		 1156 }
1157 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1158 break;
1159 default:
1160 goto unimplemented;
1161 }
1162 break;
3532fa74 1163 case TARGET_SOL_SOCKET:
8853f86e
FB		 1164 switch (optname) {
1165 /* Options with 'int' argument. */
3532fa74
FB		 1166 case TARGET_SO_DEBUG:
1167 optname = SO_DEBUG;
1168 break;
1169 case TARGET_SO_REUSEADDR:
1170 optname = SO_REUSEADDR;
1171 break;
1172 case TARGET_SO_TYPE:
1173 optname = SO_TYPE;
1174 break;
1175 case TARGET_SO_ERROR:
1176 optname = SO_ERROR;
1177 break;
1178 case TARGET_SO_DONTROUTE:
1179 optname = SO_DONTROUTE;
1180 break;
1181 case TARGET_SO_BROADCAST:
1182 optname = SO_BROADCAST;
1183 break;
1184 case TARGET_SO_SNDBUF:
1185 optname = SO_SNDBUF;
1186 break;
1187 case TARGET_SO_RCVBUF:
1188 optname = SO_RCVBUF;
1189 break;
1190 case TARGET_SO_KEEPALIVE:
1191 optname = SO_KEEPALIVE;
1192 break;
1193 case TARGET_SO_OOBINLINE:
1194 optname = SO_OOBINLINE;
1195 break;
1196 case TARGET_SO_NO_CHECK:
1197 optname = SO_NO_CHECK;
1198 break;
1199 case TARGET_SO_PRIORITY:
1200 optname = SO_PRIORITY;
1201 break;
5e83e8e3 1202#ifdef SO_BSDCOMPAT
3532fa74
FB		 1203 case TARGET_SO_BSDCOMPAT:
1204 optname = SO_BSDCOMPAT;
1205 break;
5e83e8e3 1206#endif
3532fa74
FB		 1207 case TARGET_SO_PASSCRED:
1208 optname = SO_PASSCRED;
1209 break;
1210 case TARGET_SO_TIMESTAMP:
1211 optname = SO_TIMESTAMP;
1212 break;
1213 case TARGET_SO_RCVLOWAT:
1214 optname = SO_RCVLOWAT;
1215 break;
1216 case TARGET_SO_RCVTIMEO:
1217 optname = SO_RCVTIMEO;
1218 break;
1219 case TARGET_SO_SNDTIMEO:
1220 optname = SO_SNDTIMEO;
1221 break;
8853f86e
FB		 1222 break;
1223 default:
1224 goto unimplemented;
1225 }
3532fa74 1226 if (optlen < sizeof(uint32_t))
2f619698 1227 return -TARGET_EINVAL;
3532fa74 1228
2f619698
FB		 1229 if (get_user_u32(val, optval_addr))
1230 return -TARGET_EFAULT;
3532fa74 1231 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1232 break;
7854b056 1233 default:
8853f86e
FB		 1234 unimplemented:
1235 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
6fa13c17 1236 ret = -TARGET_ENOPROTOOPT;
7854b056 1237 }
8853f86e 1238 return ret;
7854b056
FB		 1239}
1240
0da46a6e 1241/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1242static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1243 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1244{
992f48a0 1245 abi_long ret;
b55266b5
BS		 1246 int len, val;
1247 socklen_t lv;
8853f86e
FB		 1248
1249 switch(level) {
3532fa74
FB		 1250 case TARGET_SOL_SOCKET:
1251 level = SOL_SOCKET;
8853f86e 1252 switch (optname) {
3532fa74
FB		 1253 case TARGET_SO_LINGER:
1254 case TARGET_SO_RCVTIMEO:
1255 case TARGET_SO_SNDTIMEO:
1256 case TARGET_SO_PEERCRED:
1257 case TARGET_SO_PEERNAME:
8853f86e
FB		 1258 /* These don't just return a single integer */
1259 goto unimplemented;
1260 default:
2efbe911
FB		 1261 goto int_case;
1262 }
1263 break;
1264 case SOL_TCP:
1265 /* TCP options all take an 'int' value. */
1266 int_case:
2f619698
FB		 1267 if (get_user_u32(len, optlen))
1268 return -TARGET_EFAULT;
2efbe911 1269 if (len < 0)
0da46a6e 1270 return -TARGET_EINVAL;
2efbe911
FB		 1271 lv = sizeof(int);
1272 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1273 if (ret < 0)
1274 return ret;
1275 val = tswap32(val);
1276 if (len > lv)
1277 len = lv;
2f619698
FB		 1278 if (len == 4) {
1279 if (put_user_u32(val, optval_addr))
1280 return -TARGET_EFAULT;
1281 } else {
1282 if (put_user_u8(val, optval_addr))
1283 return -TARGET_EFAULT;
1284 }
1285 if (put_user_u32(len, optlen))
1286 return -TARGET_EFAULT;
2efbe911
FB		 1287 break;
1288 case SOL_IP:
1289 switch(optname) {
1290 case IP_TOS:
1291 case IP_TTL:
1292 case IP_HDRINCL:
1293 case IP_ROUTER_ALERT:
1294 case IP_RECVOPTS:
1295 case IP_RETOPTS:
1296 case IP_PKTINFO:
1297 case IP_MTU_DISCOVER:
1298 case IP_RECVERR:
1299 case IP_RECVTOS:
1300#ifdef IP_FREEBIND
1301 case IP_FREEBIND:
1302#endif
1303 case IP_MULTICAST_TTL:
1304 case IP_MULTICAST_LOOP:
2f619698
FB		 1305 if (get_user_u32(len, optlen))
1306 return -TARGET_EFAULT;
8853f86e 1307 if (len < 0)
0da46a6e 1308 return -TARGET_EINVAL;
8853f86e
FB		 1309 lv = sizeof(int);
1310 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1311 if (ret < 0)
1312 return ret;
2efbe911 1313 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1314 len = 1;
2f619698
FB		 1315 if (put_user_u32(len, optlen)
1316 || put_user_u8(val, optval_addr))
1317 return -TARGET_EFAULT;
2efbe911 1318 } else {
2efbe911
FB		 1319 if (len > sizeof(int))
1320 len = sizeof(int);
2f619698
FB		 1321 if (put_user_u32(len, optlen)
1322 || put_user_u32(val, optval_addr))
1323 return -TARGET_EFAULT;
2efbe911 1324 }
8853f86e 1325 break;
2efbe911 1326 default:
c02f499e
TS		 1327 ret = -TARGET_ENOPROTOOPT;
1328 break;
8853f86e
FB		 1329 }
1330 break;
1331 default:
1332 unimplemented:
1333 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1334 level, optname);
c02f499e 1335 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1336 break;
1337 }
1338 return ret;
7854b056
FB		 1339}
1340
579a97f7
FB		 1341/* FIXME
1342 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1343 * other lock functions have a return code of 0 for failure.
1344 */
1345static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1346 int count, int copy)
53a5960a
PB		 1347{
1348 struct target_iovec *target_vec;
992f48a0 1349 abi_ulong base;
d732dcb4 1350 int i;
53a5960a 1351
579a97f7
FB		 1352 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1353 if (!target_vec)
1354 return -TARGET_EFAULT;
53a5960a
PB		 1355 for(i = 0;i < count; i++) {
1356 base = tswapl(target_vec[i].iov_base);
1357 vec[i].iov_len = tswapl(target_vec[i].iov_len);
41df8411
FB		 1358 if (vec[i].iov_len != 0) {
1359 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1360 /* Don't check lock_user return value. We must call writev even
1361 if a element has invalid base address. */
41df8411
FB		 1362 } else {
1363 /* zero length pointer is ignored */
1364 vec[i].iov_base = NULL;
1365 }
579a97f7
FB		 1366 }
1367 unlock_user (target_vec, target_addr, 0);
1368 return 0;
53a5960a
PB		 1369}
1370
579a97f7
FB		 1371static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1372 int count, int copy)
53a5960a
PB		 1373{
1374 struct target_iovec *target_vec;
992f48a0 1375 abi_ulong base;
53a5960a
PB		 1376 int i;
1377
579a97f7
FB		 1378 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1379 if (!target_vec)
1380 return -TARGET_EFAULT;
53a5960a 1381 for(i = 0;i < count; i++) {
d732dcb4
AZ		 1382 if (target_vec[i].iov_base) {
1383 base = tswapl(target_vec[i].iov_base);
1384 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1385 }
53a5960a
PB		 1386 }
1387 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1388
1389 return 0;
53a5960a
PB		 1390}
1391
0da46a6e 1392/* do_socket() Must return target values and target errnos. */
992f48a0 1393static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1394{
1395#if defined(TARGET_MIPS)
1396 switch(type) {
1397 case TARGET_SOCK_DGRAM:
1398 type = SOCK_DGRAM;
1399 break;
1400 case TARGET_SOCK_STREAM:
1401 type = SOCK_STREAM;
1402 break;
1403 case TARGET_SOCK_RAW:
1404 type = SOCK_RAW;
1405 break;
1406 case TARGET_SOCK_RDM:
1407 type = SOCK_RDM;
1408 break;
1409 case TARGET_SOCK_SEQPACKET:
1410 type = SOCK_SEQPACKET;
1411 break;
1412 case TARGET_SOCK_PACKET:
1413 type = SOCK_PACKET;
1414 break;
1415 }
1416#endif
12bc92ab
AZ		 1417 if (domain == PF_NETLINK)
1418 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1419 return get_errno(socket(domain, type, protocol));
1420}
1421
0da46a6e 1422/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1423static abi_long do_bind(int sockfd, abi_ulong target_addr,
1424 socklen_t addrlen)
3532fa74 1425{
8f7aeaf6
AJ		 1426 void *addr;
1427
be09ac41 1428 if (addrlen < 0)
8f7aeaf6
AJ		 1429 return -TARGET_EINVAL;
1430
607175e0 1431 addr = alloca(addrlen+1);
3b46e624 1432
3532fa74
FB		 1433 target_to_host_sockaddr(addr, target_addr, addrlen);
1434 return get_errno(bind(sockfd, addr, addrlen));
1435}
1436
0da46a6e 1437/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1438static abi_long do_connect(int sockfd, abi_ulong target_addr,
1439 socklen_t addrlen)
3532fa74 1440{
8f7aeaf6
AJ		 1441 void *addr;
1442
be09ac41 1443 if (addrlen < 0)
8f7aeaf6
AJ		 1444 return -TARGET_EINVAL;
1445
1446 addr = alloca(addrlen);
3b46e624 1447
3532fa74
FB		 1448 target_to_host_sockaddr(addr, target_addr, addrlen);
1449 return get_errno(connect(sockfd, addr, addrlen));
1450}
1451
0da46a6e 1452/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1453static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1454 int flags, int send)
3532fa74 1455{
6de645c7 1456 abi_long ret, len;
3532fa74
FB		 1457 struct target_msghdr *msgp;
1458 struct msghdr msg;
1459 int count;
1460 struct iovec *vec;
992f48a0 1461 abi_ulong target_vec;
3532fa74 1462
579a97f7
FB		 1463 /* FIXME */
1464 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1465 msgp,
1466 target_msg,
1467 send ? 1 : 0))
1468 return -TARGET_EFAULT;
3532fa74
FB		 1469 if (msgp->msg_name) {
1470 msg.msg_namelen = tswap32(msgp->msg_namelen);
1471 msg.msg_name = alloca(msg.msg_namelen);
1472 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1473 msg.msg_namelen);
1474 } else {
1475 msg.msg_name = NULL;
1476 msg.msg_namelen = 0;
1477 }
1478 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1479 msg.msg_control = alloca(msg.msg_controllen);
1480 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1481
3532fa74
FB		 1482 count = tswapl(msgp->msg_iovlen);
1483 vec = alloca(count * sizeof(struct iovec));
1484 target_vec = tswapl(msgp->msg_iov);
579a97f7 1485 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1486 msg.msg_iovlen = count;
1487 msg.msg_iov = vec;
3b46e624 1488
3532fa74 1489 if (send) {
5a4a898d
FB		 1490 ret = target_to_host_cmsg(&msg, msgp);
1491 if (ret == 0)
1492 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1493 } else {
1494 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1495 if (!is_error(ret)) {
1496 len = ret;
5a4a898d 1497 ret = host_to_target_cmsg(msgp, &msg);
6de645c7
AZ		 1498 if (!is_error(ret))
1499 ret = len;
1500 }
3532fa74
FB		 1501 }
1502 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1503 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1504 return ret;
1505}
1506
0da46a6e 1507/* do_accept() Must return target values and target errnos. */
992f48a0 1508static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1509 abi_ulong target_addrlen_addr)
1be9e1dc 1510{
2f619698
FB		 1511 socklen_t addrlen;
1512 void *addr;
992f48a0 1513 abi_long ret;
1be9e1dc 1514
2f619698
FB		 1515 if (get_user_u32(addrlen, target_addrlen_addr))
1516 return -TARGET_EFAULT;
1517
be09ac41 1518 if (addrlen < 0)
8f7aeaf6
AJ		 1519 return -TARGET_EINVAL;
1520
2f619698
FB		 1521 addr = alloca(addrlen);
1522
1be9e1dc
PB		 1523 ret = get_errno(accept(fd, addr, &addrlen));
1524 if (!is_error(ret)) {
1525 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1526 if (put_user_u32(addrlen, target_addrlen_addr))
1527 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1528 }
1529 return ret;
1530}
1531
0da46a6e 1532/* do_getpeername() Must return target values and target errnos. */
992f48a0 1533static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1534 abi_ulong target_addrlen_addr)
1be9e1dc 1535{
2f619698
FB		 1536 socklen_t addrlen;
1537 void *addr;
992f48a0 1538 abi_long ret;
1be9e1dc 1539
2f619698
FB		 1540 if (get_user_u32(addrlen, target_addrlen_addr))
1541 return -TARGET_EFAULT;
1542
be09ac41 1543 if (addrlen < 0)
8f7aeaf6
AJ		 1544 return -TARGET_EINVAL;
1545
2f619698
FB		 1546 addr = alloca(addrlen);
1547
1be9e1dc
PB		 1548 ret = get_errno(getpeername(fd, addr, &addrlen));
1549 if (!is_error(ret)) {
1550 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1551 if (put_user_u32(addrlen, target_addrlen_addr))
1552 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1553 }
1554 return ret;
1555}
1556
0da46a6e 1557/* do_getsockname() Must return target values and target errnos. */
992f48a0 1558static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1559 abi_ulong target_addrlen_addr)
1be9e1dc 1560{
2f619698
FB		 1561 socklen_t addrlen;
1562 void *addr;
992f48a0 1563 abi_long ret;
1be9e1dc 1564
8fea3602
AJ		 1565 if (target_addr == 0)
1566 return get_errno(accept(fd, NULL, NULL));
1567
2f619698
FB		 1568 if (get_user_u32(addrlen, target_addrlen_addr))
1569 return -TARGET_EFAULT;
1570
be09ac41 1571 if (addrlen < 0)
8f7aeaf6
AJ		 1572 return -TARGET_EINVAL;
1573
2f619698
FB		 1574 addr = alloca(addrlen);
1575
1be9e1dc
PB		 1576 ret = get_errno(getsockname(fd, addr, &addrlen));
1577 if (!is_error(ret)) {
1578 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1579 if (put_user_u32(addrlen, target_addrlen_addr))
1580 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1581 }
1582 return ret;
1583}
1584
0da46a6e 1585/* do_socketpair() Must return target values and target errnos. */
992f48a0 1586static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1587 abi_ulong target_tab_addr)
1be9e1dc
PB		 1588{
1589 int tab[2];
992f48a0 1590 abi_long ret;
1be9e1dc
PB		 1591
1592 ret = get_errno(socketpair(domain, type, protocol, tab));
1593 if (!is_error(ret)) {
2f619698
FB		 1594 if (put_user_s32(tab[0], target_tab_addr)
1595 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1596 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1597 }
1598 return ret;
1599}
1600
0da46a6e 1601/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1602static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1603 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1604{
1605 void *addr;
1606 void *host_msg;
992f48a0 1607 abi_long ret;
1be9e1dc 1608
be09ac41 1609 if (addrlen < 0)
8f7aeaf6
AJ		 1610 return -TARGET_EINVAL;
1611
579a97f7
FB		 1612 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1613 if (!host_msg)
1614 return -TARGET_EFAULT;
1be9e1dc
PB		 1615 if (target_addr) {
1616 addr = alloca(addrlen);
1617 target_to_host_sockaddr(addr, target_addr, addrlen);
1618 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1619 } else {
1620 ret = get_errno(send(fd, host_msg, len, flags));
1621 }
1622 unlock_user(host_msg, msg, 0);
1623 return ret;
1624}
1625
0da46a6e 1626/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 1627static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1628 abi_ulong target_addr,
1629 abi_ulong target_addrlen)
1be9e1dc
PB		 1630{
1631 socklen_t addrlen;
1632 void *addr;
1633 void *host_msg;
992f48a0 1634 abi_long ret;
1be9e1dc 1635
579a97f7
FB		 1636 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1637 if (!host_msg)
1638 return -TARGET_EFAULT;
1be9e1dc 1639 if (target_addr) {
2f619698
FB		 1640 if (get_user_u32(addrlen, target_addrlen)) {
1641 ret = -TARGET_EFAULT;
1642 goto fail;
1643 }
be09ac41 1644 if (addrlen < 0) {
8f7aeaf6
AJ		 1645 ret = -TARGET_EINVAL;
1646 goto fail;
1647 }
1be9e1dc
PB		 1648 addr = alloca(addrlen);
1649 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1650 } else {
1651 addr = NULL; /* To keep compiler quiet. */
1652 ret = get_errno(recv(fd, host_msg, len, flags));
1653 }
1654 if (!is_error(ret)) {
1655 if (target_addr) {
1656 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1657 if (put_user_u32(addrlen, target_addrlen)) {
1658 ret = -TARGET_EFAULT;
1659 goto fail;
1660 }
1be9e1dc
PB		 1661 }
1662 unlock_user(host_msg, msg, len);
1663 } else {
2f619698 1664fail:
1be9e1dc
PB		 1665 unlock_user(host_msg, msg, 0);
1666 }
1667 return ret;
1668}
1669
32407103 1670#ifdef TARGET_NR_socketcall
0da46a6e 1671/* do_socketcall() Must return target values and target errnos. */
992f48a0 1672static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 1673{
992f48a0
BS		 1674 abi_long ret;
1675 const int n = sizeof(abi_ulong);
31e31b8a
FB		 1676
1677 switch(num) {
1678 case SOCKOP_socket:
7854b056 1679 {
2f619698
FB		 1680 int domain, type, protocol;
1681
1682 if (get_user_s32(domain, vptr)
1683 || get_user_s32(type, vptr + n)
1684 || get_user_s32(protocol, vptr + 2 * n))
1685 return -TARGET_EFAULT;
1686
3532fa74 1687 ret = do_socket(domain, type, protocol);
7854b056 1688 }
31e31b8a
FB		 1689 break;
1690 case SOCKOP_bind:
7854b056 1691 {
2f619698
FB		 1692 int sockfd;
1693 abi_ulong target_addr;
1694 socklen_t addrlen;
1695
1696 if (get_user_s32(sockfd, vptr)
1697 || get_user_ual(target_addr, vptr + n)
1698 || get_user_u32(addrlen, vptr + 2 * n))
1699 return -TARGET_EFAULT;
1700
3532fa74 1701 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1702 }
31e31b8a
FB		 1703 break;
1704 case SOCKOP_connect:
7854b056 1705 {
2f619698
FB		 1706 int sockfd;
1707 abi_ulong target_addr;
1708 socklen_t addrlen;
1709
1710 if (get_user_s32(sockfd, vptr)
1711 || get_user_ual(target_addr, vptr + n)
1712 || get_user_u32(addrlen, vptr + 2 * n))
1713 return -TARGET_EFAULT;
1714
3532fa74 1715 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1716 }
31e31b8a
FB		 1717 break;
1718 case SOCKOP_listen:
7854b056 1719 {
2f619698
FB		 1720 int sockfd, backlog;
1721
1722 if (get_user_s32(sockfd, vptr)
1723 || get_user_s32(backlog, vptr + n))
1724 return -TARGET_EFAULT;
1725
7854b056
FB		 1726 ret = get_errno(listen(sockfd, backlog));
1727 }
31e31b8a
FB		 1728 break;
1729 case SOCKOP_accept:
1730 {
2f619698
FB		 1731 int sockfd;
1732 abi_ulong target_addr, target_addrlen;
1733
1734 if (get_user_s32(sockfd, vptr)
1735 || get_user_ual(target_addr, vptr + n)
1736 || get_user_u32(target_addrlen, vptr + 2 * n))
1737 return -TARGET_EFAULT;
1738
1be9e1dc 1739 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1740 }
1741 break;
1742 case SOCKOP_getsockname:
1743 {
2f619698
FB		 1744 int sockfd;
1745 abi_ulong target_addr, target_addrlen;
1746
1747 if (get_user_s32(sockfd, vptr)
1748 || get_user_ual(target_addr, vptr + n)
1749 || get_user_u32(target_addrlen, vptr + 2 * n))
1750 return -TARGET_EFAULT;
1751
1be9e1dc 1752 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1753 }
1754 break;
1755 case SOCKOP_getpeername:
1756 {
2f619698
FB		 1757 int sockfd;
1758 abi_ulong target_addr, target_addrlen;
1759
1760 if (get_user_s32(sockfd, vptr)
1761 || get_user_ual(target_addr, vptr + n)
1762 || get_user_u32(target_addrlen, vptr + 2 * n))
1763 return -TARGET_EFAULT;
1764
1be9e1dc 1765 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1766 }
1767 break;
1768 case SOCKOP_socketpair:
1769 {
2f619698
FB		 1770 int domain, type, protocol;
1771 abi_ulong tab;
1772
1773 if (get_user_s32(domain, vptr)
1774 || get_user_s32(type, vptr + n)
1775 || get_user_s32(protocol, vptr + 2 * n)
1776 || get_user_ual(tab, vptr + 3 * n))
1777 return -TARGET_EFAULT;
1778
1be9e1dc 1779 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1780 }
1781 break;
1782 case SOCKOP_send:
7854b056 1783 {
2f619698
FB		 1784 int sockfd;
1785 abi_ulong msg;
1786 size_t len;
1787 int flags;
1788
1789 if (get_user_s32(sockfd, vptr)
1790 || get_user_ual(msg, vptr + n)
1791 || get_user_ual(len, vptr + 2 * n)
1792 || get_user_s32(flags, vptr + 3 * n))
1793 return -TARGET_EFAULT;
1794
1be9e1dc 1795 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1796 }
31e31b8a
FB		 1797 break;
1798 case SOCKOP_recv:
7854b056 1799 {
2f619698
FB		 1800 int sockfd;
1801 abi_ulong msg;
1802 size_t len;
1803 int flags;
1804
1805 if (get_user_s32(sockfd, vptr)
1806 || get_user_ual(msg, vptr + n)
1807 || get_user_ual(len, vptr + 2 * n)
1808 || get_user_s32(flags, vptr + 3 * n))
1809 return -TARGET_EFAULT;
1810
1be9e1dc 1811 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1812 }
31e31b8a
FB		 1813 break;
1814 case SOCKOP_sendto:
7854b056 1815 {
2f619698
FB		 1816 int sockfd;
1817 abi_ulong msg;
1818 size_t len;
1819 int flags;
1820 abi_ulong addr;
1821 socklen_t addrlen;
1822
1823 if (get_user_s32(sockfd, vptr)
1824 || get_user_ual(msg, vptr + n)
1825 || get_user_ual(len, vptr + 2 * n)
1826 || get_user_s32(flags, vptr + 3 * n)
1827 || get_user_ual(addr, vptr + 4 * n)
1828 || get_user_u32(addrlen, vptr + 5 * n))
1829 return -TARGET_EFAULT;
1830
1be9e1dc 1831 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1832 }
31e31b8a
FB		 1833 break;
1834 case SOCKOP_recvfrom:
1835 {
2f619698
FB		 1836 int sockfd;
1837 abi_ulong msg;
1838 size_t len;
1839 int flags;
1840 abi_ulong addr;
1841 socklen_t addrlen;
1842
1843 if (get_user_s32(sockfd, vptr)
1844 || get_user_ual(msg, vptr + n)
1845 || get_user_ual(len, vptr + 2 * n)
1846 || get_user_s32(flags, vptr + 3 * n)
1847 || get_user_ual(addr, vptr + 4 * n)
1848 || get_user_u32(addrlen, vptr + 5 * n))
1849 return -TARGET_EFAULT;
1850
1be9e1dc 1851 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1852 }
1853 break;
1854 case SOCKOP_shutdown:
7854b056 1855 {
2f619698
FB		 1856 int sockfd, how;
1857
1858 if (get_user_s32(sockfd, vptr)
1859 || get_user_s32(how, vptr + n))
1860 return -TARGET_EFAULT;
7854b056
FB		 1861
1862 ret = get_errno(shutdown(sockfd, how));
1863 }
31e31b8a
FB		 1864 break;
1865 case SOCKOP_sendmsg:
1866 case SOCKOP_recvmsg:
1a9353d2
FB		 1867 {
1868 int fd;
992f48a0 1869 abi_ulong target_msg;
3532fa74 1870 int flags;
1a9353d2 1871
2f619698
FB		 1872 if (get_user_s32(fd, vptr)
1873 || get_user_ual(target_msg, vptr + n)
1874 || get_user_s32(flags, vptr + 2 * n))
1875 return -TARGET_EFAULT;
3532fa74 1876
5fafdf24 1877 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 1878 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1879 }
1880 break;
31e31b8a 1881 case SOCKOP_setsockopt:
7854b056 1882 {
2f619698
FB		 1883 int sockfd;
1884 int level;
1885 int optname;
1886 abi_ulong optval;
1887 socklen_t optlen;
1888
1889 if (get_user_s32(sockfd, vptr)
1890 || get_user_s32(level, vptr + n)
1891 || get_user_s32(optname, vptr + 2 * n)
1892 || get_user_ual(optval, vptr + 3 * n)
1893 || get_user_u32(optlen, vptr + 4 * n))
1894 return -TARGET_EFAULT;
7854b056
FB		 1895
1896 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1897 }
1898 break;
31e31b8a 1899 case SOCKOP_getsockopt:
7854b056 1900 {
2f619698
FB		 1901 int sockfd;
1902 int level;
1903 int optname;
1904 abi_ulong optval;
1905 socklen_t optlen;
1906
1907 if (get_user_s32(sockfd, vptr)
1908 || get_user_s32(level, vptr + n)
1909 || get_user_s32(optname, vptr + 2 * n)
1910 || get_user_ual(optval, vptr + 3 * n)
1911 || get_user_u32(optlen, vptr + 4 * n))
1912 return -TARGET_EFAULT;
7854b056 1913
2f619698 1914 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 1915 }
1916 break;
31e31b8a
FB		 1917 default:
1918 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 1919 ret = -TARGET_ENOSYS;
31e31b8a
FB		 1920 break;
1921 }
1922 return ret;
1923}
32407103 1924#endif
31e31b8a 1925
8853f86e
FB		 1926#define N_SHM_REGIONS 32
1927
1928static struct shm_region {
5a4a898d
FB		 1929 abi_ulong start;
1930 abi_ulong size;
8853f86e
FB		 1931} shm_regions[N_SHM_REGIONS];
1932
3eb6b044
TS		 1933struct target_ipc_perm
1934{
992f48a0
BS		 1935 abi_long __key;
1936 abi_ulong uid;
1937 abi_ulong gid;
1938 abi_ulong cuid;
1939 abi_ulong cgid;
3eb6b044
TS		 1940 unsigned short int mode;
1941 unsigned short int __pad1;
1942 unsigned short int __seq;
1943 unsigned short int __pad2;
992f48a0
BS		 1944 abi_ulong __unused1;
1945 abi_ulong __unused2;
3eb6b044
TS		 1946};
1947
1948struct target_semid_ds
1949{
1950 struct target_ipc_perm sem_perm;
992f48a0
BS		 1951 abi_ulong sem_otime;
1952 abi_ulong __unused1;
1953 abi_ulong sem_ctime;
1954 abi_ulong __unused2;
1955 abi_ulong sem_nsems;
1956 abi_ulong __unused3;
1957 abi_ulong __unused4;
3eb6b044
TS		 1958};
1959
579a97f7
FB		 1960static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
1961 abi_ulong target_addr)
3eb6b044
TS		 1962{
1963 struct target_ipc_perm *target_ip;
1964 struct target_semid_ds *target_sd;
1965
579a97f7
FB		 1966 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
1967 return -TARGET_EFAULT;
3eb6b044
TS		 1968 target_ip=&(target_sd->sem_perm);
1969 host_ip->__key = tswapl(target_ip->__key);
1970 host_ip->uid = tswapl(target_ip->uid);
1971 host_ip->gid = tswapl(target_ip->gid);
1972 host_ip->cuid = tswapl(target_ip->cuid);
1973 host_ip->cgid = tswapl(target_ip->cgid);
1974 host_ip->mode = tswapl(target_ip->mode);
1975 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 1976 return 0;
3eb6b044
TS		 1977}
1978
579a97f7
FB		 1979static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
1980 struct ipc_perm *host_ip)
3eb6b044
TS		 1981{
1982 struct target_ipc_perm *target_ip;
1983 struct target_semid_ds *target_sd;
1984
579a97f7
FB		 1985 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
1986 return -TARGET_EFAULT;
3eb6b044
TS		 1987 target_ip = &(target_sd->sem_perm);
1988 target_ip->__key = tswapl(host_ip->__key);
1989 target_ip->uid = tswapl(host_ip->uid);
1990 target_ip->gid = tswapl(host_ip->gid);
1991 target_ip->cuid = tswapl(host_ip->cuid);
1992 target_ip->cgid = tswapl(host_ip->cgid);
1993 target_ip->mode = tswapl(host_ip->mode);
1994 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 1995 return 0;
3eb6b044
TS		 1996}
1997
579a97f7
FB		 1998static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
1999 abi_ulong target_addr)
3eb6b044
TS		 2000{
2001 struct target_semid_ds *target_sd;
2002
579a97f7
FB		 2003 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2004 return -TARGET_EFAULT;
e5289087
AJ		 2005 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2006 return -TARGET_EFAULT;
3eb6b044
TS		 2007 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2008 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2009 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2010 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2011 return 0;
3eb6b044
TS		 2012}
2013
579a97f7
FB		 2014static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2015 struct semid_ds *host_sd)
3eb6b044
TS		 2016{
2017 struct target_semid_ds *target_sd;
2018
579a97f7
FB		 2019 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2020 return -TARGET_EFAULT;
e5289087
AJ		 2021 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2022 return -TARGET_EFAULT;;
3eb6b044
TS		 2023 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2024 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2025 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2026 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2027 return 0;
3eb6b044
TS		 2028}
2029
e5289087
AJ		 2030struct target_seminfo {
2031 int semmap;
2032 int semmni;
2033 int semmns;
2034 int semmnu;
2035 int semmsl;
2036 int semopm;
2037 int semume;
2038 int semusz;
2039 int semvmx;
2040 int semaem;
2041};
2042
2043static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2044 struct seminfo *host_seminfo)
2045{
2046 struct target_seminfo *target_seminfo;
2047 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2048 return -TARGET_EFAULT;
2049 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2050 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2051 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2052 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2053 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2054 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2055 __put_user(host_seminfo->semume, &target_seminfo->semume);
2056 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2057 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2058 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2059 unlock_user_struct(target_seminfo, target_addr, 1);
2060 return 0;
2061}
2062
fa294816
TS		 2063union semun {
2064 int val;
3eb6b044 2065 struct semid_ds *buf;
fa294816 2066 unsigned short *array;
e5289087 2067 struct seminfo *__buf;
fa294816
TS		 2068};
2069
3eb6b044
TS		 2070union target_semun {
2071 int val;
e5289087
AJ		 2072 abi_ulong buf;
2073 abi_ulong array;
2074 abi_ulong __buf;
3eb6b044
TS		 2075};
2076
e5289087
AJ		 2077static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2078 abi_ulong target_addr)
3eb6b044 2079{
e5289087
AJ		 2080 int nsems;
2081 unsigned short *array;
2082 union semun semun;
2083 struct semid_ds semid_ds;
2084 int i, ret;
3eb6b044 2085
e5289087
AJ		 2086 semun.buf = &semid_ds;
2087
2088 ret = semctl(semid, 0, IPC_STAT, semun);
2089 if (ret == -1)
2090 return get_errno(ret);
2091
2092 nsems = semid_ds.sem_nsems;
2093
2094 *host_array = malloc(nsems*sizeof(unsigned short));
2095 array = lock_user(VERIFY_READ, target_addr,
2096 nsems*sizeof(unsigned short), 1);
2097 if (!array)
2098 return -TARGET_EFAULT;
2099
2100 for(i=0; i<nsems; i++) {
2101 __get_user((*host_array)[i], &array[i]);
3eb6b044 2102 }
e5289087
AJ		 2103 unlock_user(array, target_addr, 0);
2104
579a97f7 2105 return 0;
3eb6b044
TS		 2106}
2107
e5289087
AJ		 2108static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2109 unsigned short **host_array)
3eb6b044 2110{
e5289087
AJ		 2111 int nsems;
2112 unsigned short *array;
2113 union semun semun;
2114 struct semid_ds semid_ds;
2115 int i, ret;
3eb6b044 2116
e5289087
AJ		 2117 semun.buf = &semid_ds;
2118
2119 ret = semctl(semid, 0, IPC_STAT, semun);
2120 if (ret == -1)
2121 return get_errno(ret);
2122
2123 nsems = semid_ds.sem_nsems;
2124
2125 array = lock_user(VERIFY_WRITE, target_addr,
2126 nsems*sizeof(unsigned short), 0);
2127 if (!array)
2128 return -TARGET_EFAULT;
2129
2130 for(i=0; i<nsems; i++) {
2131 __put_user((*host_array)[i], &array[i]);
3eb6b044 2132 }
e5289087
AJ		 2133 free(*host_array);
2134 unlock_user(array, target_addr, 1);
2135
579a97f7 2136 return 0;
3eb6b044
TS		 2137}
2138
e5289087
AJ		 2139static inline abi_long do_semctl(int semid, int semnum, int cmd,
2140 union target_semun target_su)
3eb6b044
TS		 2141{
2142 union semun arg;
2143 struct semid_ds dsarg;
e5289087
AJ		 2144 unsigned short *array;
2145 struct seminfo seminfo;
2146 abi_long ret = -TARGET_EINVAL;
2147 abi_long err;
2148 cmd &= 0xff;
3eb6b044
TS		 2149
2150 switch( cmd ) {
2151 case GETVAL:
3eb6b044 2152 case SETVAL:
e5289087
AJ		 2153 arg.val = tswapl(target_su.val);
2154 ret = get_errno(semctl(semid, semnum, cmd, arg));
2155 target_su.val = tswapl(arg.val);
3eb6b044
TS		 2156 break;
2157 case GETALL:
3eb6b044 2158 case SETALL:
e5289087
AJ		 2159 err = target_to_host_semarray(semid, &array, target_su.array);
2160 if (err)
2161 return err;
2162 arg.array = array;
2163 ret = get_errno(semctl(semid, semnum, cmd, arg));
2164 err = host_to_target_semarray(semid, target_su.array, &array);
2165 if (err)
2166 return err;
3eb6b044
TS		 2167 break;
2168 case IPC_STAT:
3eb6b044 2169 case IPC_SET:
e5289087
AJ		 2170 case SEM_STAT:
2171 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2172 if (err)
2173 return err;
2174 arg.buf = &dsarg;
2175 ret = get_errno(semctl(semid, semnum, cmd, arg));
2176 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2177 if (err)
2178 return err;
2179 break;
2180 case IPC_INFO:
2181 case SEM_INFO:
2182 arg.__buf = &seminfo;
2183 ret = get_errno(semctl(semid, semnum, cmd, arg));
2184 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2185 if (err)
2186 return err;
2187 break;
2188 case IPC_RMID:
2189 case GETPID:
2190 case GETNCNT:
2191 case GETZCNT:
2192 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2193 break;
3eb6b044
TS		 2194 }
2195
2196 return ret;
2197}
2198
e5289087
AJ		 2199struct target_sembuf {
2200 unsigned short sem_num;
2201 short sem_op;
2202 short sem_flg;
2203};
2204
2205static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2206 abi_ulong target_addr,
2207 unsigned nsops)
2208{
2209 struct target_sembuf *target_sembuf;
2210 int i;
2211
2212 target_sembuf = lock_user(VERIFY_READ, target_addr,
2213 nsops*sizeof(struct target_sembuf), 1);
2214 if (!target_sembuf)
2215 return -TARGET_EFAULT;
2216
2217 for(i=0; i<nsops; i++) {
2218 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2219 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2220 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2221 }
2222
2223 unlock_user(target_sembuf, target_addr, 0);
2224
2225 return 0;
2226}
2227
2228static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2229{
2230 struct sembuf sops[nsops];
2231
2232 if (target_to_host_sembuf(sops, ptr, nsops))
2233 return -TARGET_EFAULT;
2234
2235 return semop(semid, sops, nsops);
2236}
2237
1bc012f6
TS		 2238struct target_msqid_ds
2239{
1c54ff97
AJ		 2240 struct target_ipc_perm msg_perm;
2241 abi_ulong msg_stime;
2242#if TARGET_ABI_BITS == 32
2243 abi_ulong __unused1;
2244#endif
2245 abi_ulong msg_rtime;
2246#if TARGET_ABI_BITS == 32
2247 abi_ulong __unused2;
2248#endif
2249 abi_ulong msg_ctime;
2250#if TARGET_ABI_BITS == 32
2251 abi_ulong __unused3;
2252#endif
2253 abi_ulong __msg_cbytes;
2254 abi_ulong msg_qnum;
2255 abi_ulong msg_qbytes;
2256 abi_ulong msg_lspid;
2257 abi_ulong msg_lrpid;
2258 abi_ulong __unused4;
2259 abi_ulong __unused5;
1bc012f6
TS		 2260};
2261
579a97f7
FB		 2262static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2263 abi_ulong target_addr)
1bc012f6
TS		 2264{
2265 struct target_msqid_ds *target_md;
2266
579a97f7
FB		 2267 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2268 return -TARGET_EFAULT;
1c54ff97
AJ		 2269 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2270 return -TARGET_EFAULT;
1bc012f6
TS		 2271 host_md->msg_stime = tswapl(target_md->msg_stime);
2272 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2273 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2274 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2275 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2276 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2277 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2278 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2279 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2280 return 0;
1bc012f6
TS		 2281}
2282
579a97f7
FB		 2283static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2284 struct msqid_ds *host_md)
1bc012f6
TS		 2285{
2286 struct target_msqid_ds *target_md;
2287
579a97f7
FB		 2288 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2289 return -TARGET_EFAULT;
1c54ff97
AJ		 2290 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2291 return -TARGET_EFAULT;
1bc012f6
TS		 2292 target_md->msg_stime = tswapl(host_md->msg_stime);
2293 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2294 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2295 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2296 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2297 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2298 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2299 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2300 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2301 return 0;
1bc012f6
TS		 2302}
2303
1c54ff97
AJ		 2304struct target_msginfo {
2305 int msgpool;
2306 int msgmap;
2307 int msgmax;
2308 int msgmnb;
2309 int msgmni;
2310 int msgssz;
2311 int msgtql;
2312 unsigned short int msgseg;
2313};
2314
2315static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2316 struct msginfo *host_msginfo)
2317{
2318 struct target_msginfo *target_msginfo;
2319 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2320 return -TARGET_EFAULT;
2321 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2322 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2323 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2324 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2325 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2326 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2327 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2328 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2329 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2330 return 0;
1c54ff97
AJ		 2331}
2332
2333static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2334{
2335 struct msqid_ds dsarg;
1c54ff97
AJ		 2336 struct msginfo msginfo;
2337 abi_long ret = -TARGET_EINVAL;
2338
2339 cmd &= 0xff;
2340
2341 switch (cmd) {
1bc012f6
TS		 2342 case IPC_STAT:
2343 case IPC_SET:
1c54ff97
AJ		 2344 case MSG_STAT:
2345 if (target_to_host_msqid_ds(&dsarg,ptr))
2346 return -TARGET_EFAULT;
2347 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2348 if (host_to_target_msqid_ds(ptr,&dsarg))
2349 return -TARGET_EFAULT;
2350 break;
2351 case IPC_RMID:
2352 ret = get_errno(msgctl(msgid, cmd, NULL));
2353 break;
2354 case IPC_INFO:
2355 case MSG_INFO:
2356 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2357 if (host_to_target_msginfo(ptr, &msginfo))
2358 return -TARGET_EFAULT;
2359 break;
1bc012f6 2360 }
1c54ff97 2361
1bc012f6
TS		 2362 return ret;
2363}
2364
2365struct target_msgbuf {
1c54ff97
AJ		 2366 abi_long mtype;
2367 char mtext[1];
1bc012f6
TS		 2368};
2369
992f48a0
BS		 2370static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2371 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2372{
2373 struct target_msgbuf *target_mb;
2374 struct msgbuf *host_mb;
992f48a0 2375 abi_long ret = 0;
1bc012f6 2376
579a97f7
FB		 2377 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2378 return -TARGET_EFAULT;
1bc012f6 2379 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2380 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2381 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2382 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2383 free(host_mb);
2384 unlock_user_struct(target_mb, msgp, 0);
2385
2386 return ret;
2387}
2388
992f48a0 2389static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2390 unsigned int msgsz, abi_long msgtyp,
992f48a0 2391 int msgflg)
1bc012f6
TS		 2392{
2393 struct target_msgbuf *target_mb;
579a97f7 2394 char *target_mtext;
1bc012f6 2395 struct msgbuf *host_mb;
992f48a0 2396 abi_long ret = 0;
1bc012f6 2397
579a97f7
FB		 2398 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2399 return -TARGET_EFAULT;
1c54ff97 2400
1bc012f6 2401 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2402 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2403
579a97f7
FB		 2404 if (ret > 0) {
2405 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2406 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2407 if (!target_mtext) {
2408 ret = -TARGET_EFAULT;
2409 goto end;
2410 }
1c54ff97 2411 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2412 unlock_user(target_mtext, target_mtext_addr, ret);
2413 }
1c54ff97 2414
1bc012f6
TS		 2415 target_mb->mtype = tswapl(host_mb->mtype);
2416 free(host_mb);
1bc012f6 2417
579a97f7
FB		 2418end:
2419 if (target_mb)
2420 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 2421 return ret;
2422}
2423
88a8c984
RV		 2424struct target_shmid_ds
2425{
2426 struct target_ipc_perm shm_perm;
2427 abi_ulong shm_segsz;
2428 abi_ulong shm_atime;
2429#if TARGET_ABI_BITS == 32
2430 abi_ulong __unused1;
2431#endif
2432 abi_ulong shm_dtime;
2433#if TARGET_ABI_BITS == 32
2434 abi_ulong __unused2;
2435#endif
2436 abi_ulong shm_ctime;
2437#if TARGET_ABI_BITS == 32
2438 abi_ulong __unused3;
2439#endif
2440 int shm_cpid;
2441 int shm_lpid;
2442 abi_ulong shm_nattch;
2443 unsigned long int __unused4;
2444 unsigned long int __unused5;
2445};
2446
2447static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2448 abi_ulong target_addr)
2449{
2450 struct target_shmid_ds *target_sd;
2451
2452 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2453 return -TARGET_EFAULT;
2454 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2455 return -TARGET_EFAULT;
2456 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2457 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2458 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2459 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2460 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2461 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2462 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2463 unlock_user_struct(target_sd, target_addr, 0);
2464 return 0;
2465}
2466
2467static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2468 struct shmid_ds *host_sd)
2469{
2470 struct target_shmid_ds *target_sd;
2471
2472 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2473 return -TARGET_EFAULT;
2474 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2475 return -TARGET_EFAULT;
2476 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2477 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2478 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2479 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2480 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2481 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2482 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2483 unlock_user_struct(target_sd, target_addr, 1);
2484 return 0;
2485}
2486
2487struct target_shminfo {
2488 abi_ulong shmmax;
2489 abi_ulong shmmin;
2490 abi_ulong shmmni;
2491 abi_ulong shmseg;
2492 abi_ulong shmall;
2493};
2494
2495static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2496 struct shminfo *host_shminfo)
2497{
2498 struct target_shminfo *target_shminfo;
2499 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2500 return -TARGET_EFAULT;
2501 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2502 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2503 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2504 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2505 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2506 unlock_user_struct(target_shminfo, target_addr, 1);
2507 return 0;
2508}
2509
2510struct target_shm_info {
2511 int used_ids;
2512 abi_ulong shm_tot;
2513 abi_ulong shm_rss;
2514 abi_ulong shm_swp;
2515 abi_ulong swap_attempts;
2516 abi_ulong swap_successes;
2517};
2518
2519static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2520 struct shm_info *host_shm_info)
2521{
2522 struct target_shm_info *target_shm_info;
2523 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2524 return -TARGET_EFAULT;
2525 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2526 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2527 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2528 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2529 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2530 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2531 unlock_user_struct(target_shm_info, target_addr, 1);
2532 return 0;
2533}
2534
2535static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2536{
2537 struct shmid_ds dsarg;
2538 struct shminfo shminfo;
2539 struct shm_info shm_info;
2540 abi_long ret = -TARGET_EINVAL;
2541
2542 cmd &= 0xff;
2543
2544 switch(cmd) {
2545 case IPC_STAT:
2546 case IPC_SET:
2547 case SHM_STAT:
2548 if (target_to_host_shmid_ds(&dsarg, buf))
2549 return -TARGET_EFAULT;
2550 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2551 if (host_to_target_shmid_ds(buf, &dsarg))
2552 return -TARGET_EFAULT;
2553 break;
2554 case IPC_INFO:
2555 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2556 if (host_to_target_shminfo(buf, &shminfo))
2557 return -TARGET_EFAULT;
2558 break;
2559 case SHM_INFO:
2560 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2561 if (host_to_target_shm_info(buf, &shm_info))
2562 return -TARGET_EFAULT;
2563 break;
2564 case IPC_RMID:
2565 case SHM_LOCK:
2566 case SHM_UNLOCK:
2567 ret = get_errno(shmctl(shmid, cmd, NULL));
2568 break;
2569 }
2570
2571 return ret;
2572}
2573
2574static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2575{
2576 abi_long raddr;
2577 void *host_raddr;
2578 struct shmid_ds shm_info;
2579 int i,ret;
2580
2581 /* find out the length of the shared memory segment */
2582 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2583 if (is_error(ret)) {
2584 /* can't get length, bail out */
2585 return ret;
2586 }
2587
2588 mmap_lock();
2589
2590 if (shmaddr)
2591 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2592 else {
2593 abi_ulong mmap_start;
2594
2595 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2596
2597 if (mmap_start == -1) {
2598 errno = ENOMEM;
2599 host_raddr = (void *)-1;
2600 } else
2601 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2602 }
2603
2604 if (host_raddr == (void *)-1) {
2605 mmap_unlock();
2606 return get_errno((long)host_raddr);
2607 }
2608 raddr=h2g((unsigned long)host_raddr);
2609
2610 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2611 PAGE_VALID | PAGE_READ |
2612 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2613
2614 for (i = 0; i < N_SHM_REGIONS; i++) {
2615 if (shm_regions[i].start == 0) {
2616 shm_regions[i].start = raddr;
2617 shm_regions[i].size = shm_info.shm_segsz;
2618 break;
2619 }
2620 }
2621
2622 mmap_unlock();
2623 return raddr;
2624
2625}
2626
2627static inline abi_long do_shmdt(abi_ulong shmaddr)
2628{
2629 int i;
2630
2631 for (i = 0; i < N_SHM_REGIONS; ++i) {
2632 if (shm_regions[i].start == shmaddr) {
2633 shm_regions[i].start = 0;
2634 page_set_flags(shmaddr, shm_regions[i].size, 0);
2635 break;
2636 }
2637 }
2638
2639 return get_errno(shmdt(g2h(shmaddr)));
2640}
2641
1c54ff97 2642#ifdef TARGET_NR_ipc
53a5960a 2643/* ??? This only works with linear mappings. */
0da46a6e 2644/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 2645static abi_long do_ipc(unsigned int call, int first,
2646 int second, int third,
2647 abi_long ptr, abi_long fifth)
8853f86e
FB		 2648{
2649 int version;
992f48a0 2650 abi_long ret = 0;
8853f86e
FB		 2651
2652 version = call >> 16;
2653 call &= 0xffff;
2654
2655 switch (call) {
fa294816 2656 case IPCOP_semop:
e5289087 2657 ret = do_semop(first, ptr, second);
fa294816
TS		 2658 break;
2659
2660 case IPCOP_semget:
2661 ret = get_errno(semget(first, second, third));
2662 break;
2663
2664 case IPCOP_semctl:
e5289087 2665 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 2666 break;
d96372ef 2667
1c54ff97
AJ		 2668 case IPCOP_msgget:
2669 ret = get_errno(msgget(first, second));
2670 break;
d96372ef 2671
1c54ff97
AJ		 2672 case IPCOP_msgsnd:
2673 ret = do_msgsnd(first, ptr, second, third);
2674 break;
d96372ef 2675
1c54ff97
AJ		 2676 case IPCOP_msgctl:
2677 ret = do_msgctl(first, second, ptr);
2678 break;
d96372ef 2679
1c54ff97
AJ		 2680 case IPCOP_msgrcv:
2681 switch (version) {
2682 case 0:
2683 {
2684 struct target_ipc_kludge {
2685 abi_long msgp;
2686 abi_long msgtyp;
2687 } *tmp;
2688
2689 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2690 ret = -TARGET_EFAULT;
2691 break;
2692 }
d96372ef 2693
1c54ff97 2694 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 2695
1c54ff97
AJ		 2696 unlock_user_struct(tmp, ptr, 0);
2697 break;
2698 }
2699 default:
2700 ret = do_msgrcv(first, ptr, second, fifth, third);
2701 }
2702 break;
d96372ef 2703
8853f86e 2704 case IPCOP_shmat:
88a8c984
RV		 2705 switch (version) {
2706 default:
5a4a898d
FB		 2707 {
2708 abi_ulong raddr;
88a8c984
RV		 2709 raddr = do_shmat(first, ptr, second);
2710 if (is_error(raddr))
2711 return get_errno(raddr);
2f619698 2712 if (put_user_ual(raddr, third))
5a4a898d 2713 return -TARGET_EFAULT;
88a8c984
RV		 2714 break;
2715 }
2716 case 1:
2717 ret = -TARGET_EINVAL;
2718 break;
5a4a898d 2719 }
8853f86e
FB		 2720 break;
2721 case IPCOP_shmdt:
88a8c984 2722 ret = do_shmdt(ptr);
8853f86e
FB		 2723 break;
2724
2725 case IPCOP_shmget:
2726 /* IPC_* flag values are the same on all linux platforms */
2727 ret = get_errno(shmget(first, second, third));
2728 break;
2729
2730 /* IPC_* and SHM_* command values are the same on all linux platforms */
2731 case IPCOP_shmctl:
88a8c984 2732 ret = do_shmctl(first, second, third);
8853f86e
FB		 2733 break;
2734 default:
32407103 2735 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 2736 ret = -TARGET_ENOSYS;
8853f86e
FB		 2737 break;
2738 }
2739 return ret;
2740}
32407103 2741#endif
8853f86e 2742
31e31b8a
FB		 2743/* kernel structure types definitions */
2744#define IFNAMSIZ 16
2745
001faf32 2746#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 2747#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2748enum {
2749#include "syscall_types.h"
2750};
2751#undef STRUCT
2752#undef STRUCT_SPECIAL
2753
001faf32 2754#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 2755#define STRUCT_SPECIAL(name)
2756#include "syscall_types.h"
2757#undef STRUCT
2758#undef STRUCT_SPECIAL
2759
2760typedef struct IOCTLEntry {
2ab83ea7
FB		 2761 unsigned int target_cmd;
2762 unsigned int host_cmd;
31e31b8a
FB		 2763 const char *name;
2764 int access;
1a9353d2 2765 const argtype arg_type[5];
31e31b8a
FB		 2766} IOCTLEntry;
2767
2768#define IOC_R 0x0001
2769#define IOC_W 0x0002
2770#define IOC_RW (IOC_R | IOC_W)
2771
2772#define MAX_STRUCT_SIZE 4096
2773
9f106a75 2774static IOCTLEntry ioctl_entries[] = {
001faf32
BS		 2775#define IOCTL(cmd, access, ...) \
2776 { TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } },
31e31b8a
FB		 2777#include "ioctls.h"
2778 { 0, 0, },
2779};
2780
53a5960a 2781/* ??? Implement proper locking for ioctls. */
0da46a6e 2782/* do_ioctl() Must return target values and target errnos. */
992f48a0 2783static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 2784{
2785 const IOCTLEntry *ie;
2786 const argtype *arg_type;
992f48a0 2787 abi_long ret;
31e31b8a 2788 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 2789 int target_size;
2790 void *argptr;
31e31b8a
FB		 2791
2792 ie = ioctl_entries;
2793 for(;;) {
2794 if (ie->target_cmd == 0) {
32407103 2795 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 2796 return -TARGET_ENOSYS;
31e31b8a
FB		 2797 }
2798 if (ie->target_cmd == cmd)
2799 break;
2800 ie++;
2801 }
2802 arg_type = ie->arg_type;
9de5e440 2803#if defined(DEBUG)
32407103 2804 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 2805#endif
31e31b8a
FB		 2806 switch(arg_type[0]) {
2807 case TYPE_NULL:
2808 /* no argument */
2809 ret = get_errno(ioctl(fd, ie->host_cmd));
2810 break;
2811 case TYPE_PTRVOID:
2812 case TYPE_INT:
2813 /* int argment */
2814 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2815 break;
2816 case TYPE_PTR:
2817 arg_type++;
53a5960a 2818 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 2819 switch(ie->access) {
2820 case IOC_R:
2821 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2822 if (!is_error(ret)) {
579a97f7
FB		 2823 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2824 if (!argptr)
2825 return -TARGET_EFAULT;
53a5960a
PB		 2826 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2827 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2828 }
2829 break;
2830 case IOC_W:
579a97f7
FB		 2831 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2832 if (!argptr)
2833 return -TARGET_EFAULT;
53a5960a
PB		 2834 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2835 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2836 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2837 break;
2838 default:
2839 case IOC_RW:
579a97f7
FB		 2840 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2841 if (!argptr)
2842 return -TARGET_EFAULT;
53a5960a
PB		 2843 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2844 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2845 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2846 if (!is_error(ret)) {
579a97f7
FB		 2847 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2848 if (!argptr)
2849 return -TARGET_EFAULT;
53a5960a
PB		 2850 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2851 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2852 }
2853 break;
2854 }
2855 break;
2856 default:
32407103
JM		 2857 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2858 (long)cmd, arg_type[0]);
0da46a6e 2859 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2860 break;
2861 }
2862 return ret;
2863}
2864
b39bc503 2865static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 2866 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2867 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2868 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2869 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2870 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2871 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2872 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2873 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2874 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2875 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2876 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2877 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2878 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2879 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2880 { 0, 0, 0, 0 }
2881};
2882
b39bc503 2883static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 2884 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2885 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2886 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2887 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2888 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2889 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2890 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2891 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2892 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2893 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2894 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2895 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2896 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2897 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
2898 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
2899 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
2900 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
2901 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
2902 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
2903 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
2904 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
2905 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
2906 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
2907 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
2908 { 0, 0, 0, 0 }
2909};
2910
b39bc503 2911static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 2912 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
2913 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
2914 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
2915 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
2916 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
2917 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
2918 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
2919 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
2920 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
2921 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
2922 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
2923 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
2924 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
2925 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
2926 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
2927 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
2928 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
2929 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
2930 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
2931 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
2932 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
2933 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
2934 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
2935 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
2936 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
2937 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
2938 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
2939 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
2940 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
2941 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
2942 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
2943 { 0, 0, 0, 0 }
2944};
2945
b39bc503 2946static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 2947 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
2948 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
2949 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
2950 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
2951 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
2952 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
2953 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
2954 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
2955 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
2956 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
2957 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
2958 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
2959 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
2960 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
2961 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
2962 { 0, 0, 0, 0 }
2963};
2964
2965static void target_to_host_termios (void *dst, const void *src)
2966{
2967 struct host_termios *host = dst;
2968 const struct target_termios *target = src;
3b46e624 2969
5fafdf24 2970 host->c_iflag =
31e31b8a 2971 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 2972 host->c_oflag =
31e31b8a 2973 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 2974 host->c_cflag =
31e31b8a 2975 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 2976 host->c_lflag =
31e31b8a
FB		 2977 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
2978 host->c_line = target->c_line;
3b46e624 2979
44607123 2980 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 2981 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
2982 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 2983 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 2984 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 2985 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 2986 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 2987 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 2988 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 2989 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 2990 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
2991 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 2992 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
2993 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
2994 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
2995 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
2996 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 2997 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 2998}
3b46e624 2999
31e31b8a
FB		 3000static void host_to_target_termios (void *dst, const void *src)
3001{
3002 struct target_termios *target = dst;
3003 const struct host_termios *host = src;
3004
5fafdf24 3005 target->c_iflag =
31e31b8a 3006 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3007 target->c_oflag =
31e31b8a 3008 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3009 target->c_cflag =
31e31b8a 3010 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3011 target->c_lflag =
31e31b8a
FB		 3012 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3013 target->c_line = host->c_line;
3b46e624 3014
44607123 3015 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3016 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3017 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3018 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3019 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3020 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3021 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3022 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3023 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3024 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3025 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3026 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3027 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3028 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3029 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3030 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3031 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3032 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3033}
3034
8e853dc7 3035static const StructEntry struct_termios_def = {
31e31b8a
FB		 3036 .convert = { host_to_target_termios, target_to_host_termios },
3037 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3038 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3039};
3040
5286db75
FB		 3041static bitmask_transtbl mmap_flags_tbl[] = {
3042 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3043 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3044 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3045 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3046 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3047 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3048 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3049 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3050 { 0, 0, 0, 0 }
3051};
3052
2ab83ea7 3053#if defined(TARGET_I386)
6dbad63e
FB		 3054
3055/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3056static uint8_t *ldt_table;
6dbad63e 3057
03acab66 3058static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3059{
3060 int size;
53a5960a 3061 void *p;
6dbad63e
FB		 3062
3063 if (!ldt_table)
3064 return 0;
3065 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3066 if (size > bytecount)
3067 size = bytecount;
579a97f7
FB		 3068 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3069 if (!p)
03acab66 3070 return -TARGET_EFAULT;
579a97f7 3071 /* ??? Should this by byteswapped? */
53a5960a
PB		 3072 memcpy(p, ldt_table, size);
3073 unlock_user(p, ptr, size);
6dbad63e
FB		 3074 return size;
3075}
3076
3077/* XXX: add locking support */
03acab66
FB		 3078static abi_long write_ldt(CPUX86State *env,
3079 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3080{
3081 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3082 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3083 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3084 int seg_not_present, useable, lm;
6dbad63e
FB		 3085 uint32_t *lp, entry_1, entry_2;
3086
3087 if (bytecount != sizeof(ldt_info))
03acab66 3088 return -TARGET_EINVAL;
579a97f7 3089 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3090 return -TARGET_EFAULT;
53a5960a
PB		 3091 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3092 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3093 ldt_info.limit = tswap32(target_ldt_info->limit);
3094 ldt_info.flags = tswap32(target_ldt_info->flags);
3095 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3096
6dbad63e 3097 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3098 return -TARGET_EINVAL;
6dbad63e
FB		 3099 seg_32bit = ldt_info.flags & 1;
3100 contents = (ldt_info.flags >> 1) & 3;
3101 read_exec_only = (ldt_info.flags >> 3) & 1;
3102 limit_in_pages = (ldt_info.flags >> 4) & 1;
3103 seg_not_present = (ldt_info.flags >> 5) & 1;
3104 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3105#ifdef TARGET_ABI32
3106 lm = 0;
3107#else
3108 lm = (ldt_info.flags >> 7) & 1;
3109#endif
6dbad63e
FB		 3110 if (contents == 3) {
3111 if (oldmode)
03acab66 3112 return -TARGET_EINVAL;
6dbad63e 3113 if (seg_not_present == 0)
03acab66 3114 return -TARGET_EINVAL;
6dbad63e
FB		 3115 }
3116 /* allocate the LDT */
3117 if (!ldt_table) {
e441570f
AZ		 3118 env->ldt.base = target_mmap(0,
3119 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3120 PROT_READ|PROT_WRITE,
3121 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3122 if (env->ldt.base == -1)
03acab66 3123 return -TARGET_ENOMEM;
e441570f
AZ		 3124 memset(g2h(env->ldt.base), 0,
3125 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3126 env->ldt.limit = 0xffff;
e441570f 3127 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3128 }
3129
3130 /* NOTE: same code as Linux kernel */
3131 /* Allow LDTs to be cleared by the user. */
3132 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3133 if (oldmode ||
3134 (contents == 0 &&
3135 read_exec_only == 1 &&
3136 seg_32bit == 0 &&
3137 limit_in_pages == 0 &&
3138 seg_not_present == 1 &&
3139 useable == 0 )) {
3140 entry_1 = 0;
3141 entry_2 = 0;
3142 goto install;
3143 }
3144 }
3b46e624 3145
6dbad63e
FB		 3146 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3147 (ldt_info.limit & 0x0ffff);
3148 entry_2 = (ldt_info.base_addr & 0xff000000) |
3149 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3150 (ldt_info.limit & 0xf0000) |
3151 ((read_exec_only ^ 1) << 9) |
3152 (contents << 10) |
3153 ((seg_not_present ^ 1) << 15) |
3154 (seg_32bit << 22) |
3155 (limit_in_pages << 23) |
8d18e893 3156 (lm << 21) |
6dbad63e
FB		 3157 0x7000;
3158 if (!oldmode)
3159 entry_2 |= (useable << 20);
14ae3ba7 3160
6dbad63e
FB		 3161 /* Install the new entry ... */
3162install:
3163 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3164 lp[0] = tswap32(entry_1);
3165 lp[1] = tswap32(entry_2);
3166 return 0;
3167}
3168
3169/* specific and weird i386 syscalls */
8fcd3692
BS		 3170static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3171 unsigned long bytecount)
6dbad63e 3172{
03acab66 3173 abi_long ret;
3b46e624 3174
6dbad63e
FB		 3175 switch (func) {
3176 case 0:
3177 ret = read_ldt(ptr, bytecount);
3178 break;
3179 case 1:
3180 ret = write_ldt(env, ptr, bytecount, 1);
3181 break;
3182 case 0x11:
3183 ret = write_ldt(env, ptr, bytecount, 0);
3184 break;
03acab66
FB		 3185 default:
3186 ret = -TARGET_ENOSYS;
3187 break;
6dbad63e
FB		 3188 }
3189 return ret;
3190}
1b6b029e 3191
4583f589 3192#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 3193static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3194{
3195 uint64_t *gdt_table = g2h(env->gdt.base);
3196 struct target_modify_ldt_ldt_s ldt_info;
3197 struct target_modify_ldt_ldt_s *target_ldt_info;
3198 int seg_32bit, contents, read_exec_only, limit_in_pages;
3199 int seg_not_present, useable, lm;
3200 uint32_t *lp, entry_1, entry_2;
3201 int i;
3202
3203 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3204 if (!target_ldt_info)
3205 return -TARGET_EFAULT;
3206 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3207 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3208 ldt_info.limit = tswap32(target_ldt_info->limit);
3209 ldt_info.flags = tswap32(target_ldt_info->flags);
3210 if (ldt_info.entry_number == -1) {
3211 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3212 if (gdt_table[i] == 0) {
3213 ldt_info.entry_number = i;
3214 target_ldt_info->entry_number = tswap32(i);
3215 break;
3216 }
3217 }
3218 }
3219 unlock_user_struct(target_ldt_info, ptr, 1);
3220
3221 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3222 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3223 return -TARGET_EINVAL;
3224 seg_32bit = ldt_info.flags & 1;
3225 contents = (ldt_info.flags >> 1) & 3;
3226 read_exec_only = (ldt_info.flags >> 3) & 1;
3227 limit_in_pages = (ldt_info.flags >> 4) & 1;
3228 seg_not_present = (ldt_info.flags >> 5) & 1;
3229 useable = (ldt_info.flags >> 6) & 1;
3230#ifdef TARGET_ABI32
3231 lm = 0;
3232#else
3233 lm = (ldt_info.flags >> 7) & 1;
3234#endif
3235
3236 if (contents == 3) {
3237 if (seg_not_present == 0)
3238 return -TARGET_EINVAL;
3239 }
3240
3241 /* NOTE: same code as Linux kernel */
3242 /* Allow LDTs to be cleared by the user. */
3243 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3244 if ((contents == 0 &&
3245 read_exec_only == 1 &&
3246 seg_32bit == 0 &&
3247 limit_in_pages == 0 &&
3248 seg_not_present == 1 &&
3249 useable == 0 )) {
3250 entry_1 = 0;
3251 entry_2 = 0;
3252 goto install;
3253 }
3254 }
3255
3256 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3257 (ldt_info.limit & 0x0ffff);
3258 entry_2 = (ldt_info.base_addr & 0xff000000) |
3259 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3260 (ldt_info.limit & 0xf0000) |
3261 ((read_exec_only ^ 1) << 9) |
3262 (contents << 10) |
3263 ((seg_not_present ^ 1) << 15) |
3264 (seg_32bit << 22) |
3265 (limit_in_pages << 23) |
3266 (useable << 20) |
3267 (lm << 21) |
3268 0x7000;
3269
3270 /* Install the new entry ... */
3271install:
3272 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3273 lp[0] = tswap32(entry_1);
3274 lp[1] = tswap32(entry_2);
3275 return 0;
3276}
3277
8fcd3692 3278static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3279{
3280 struct target_modify_ldt_ldt_s *target_ldt_info;
3281 uint64_t *gdt_table = g2h(env->gdt.base);
3282 uint32_t base_addr, limit, flags;
3283 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3284 int seg_not_present, useable, lm;
3285 uint32_t *lp, entry_1, entry_2;
3286
3287 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3288 if (!target_ldt_info)
3289 return -TARGET_EFAULT;
3290 idx = tswap32(target_ldt_info->entry_number);
3291 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3292 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3293 unlock_user_struct(target_ldt_info, ptr, 1);
3294 return -TARGET_EINVAL;
3295 }
3296 lp = (uint32_t *)(gdt_table + idx);
3297 entry_1 = tswap32(lp[0]);
3298 entry_2 = tswap32(lp[1]);
3299
3300 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3301 contents = (entry_2 >> 10) & 3;
3302 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3303 seg_32bit = (entry_2 >> 22) & 1;
3304 limit_in_pages = (entry_2 >> 23) & 1;
3305 useable = (entry_2 >> 20) & 1;
3306#ifdef TARGET_ABI32
3307 lm = 0;
3308#else
3309 lm = (entry_2 >> 21) & 1;
3310#endif
3311 flags = (seg_32bit << 0) | (contents << 1) |
3312 (read_exec_only << 3) | (limit_in_pages << 4) |
3313 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3314 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3315 base_addr = (entry_1 >> 16) |
3316 (entry_2 & 0xff000000) |
3317 ((entry_2 & 0xff) << 16);
3318 target_ldt_info->base_addr = tswapl(base_addr);
3319 target_ldt_info->limit = tswap32(limit);
3320 target_ldt_info->flags = tswap32(flags);
3321 unlock_user_struct(target_ldt_info, ptr, 1);
3322 return 0;
3323}
4583f589 3324#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 3325
d2fd1af7 3326#ifndef TARGET_ABI32
8fcd3692 3327static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7
FB		 3328{
3329 abi_long ret;
3330 abi_ulong val;
3331 int idx;
3332
3333 switch(code) {
3334 case TARGET_ARCH_SET_GS:
3335 case TARGET_ARCH_SET_FS:
3336 if (code == TARGET_ARCH_SET_GS)
3337 idx = R_GS;
3338 else
3339 idx = R_FS;
3340 cpu_x86_load_seg(env, idx, 0);
3341 env->segs[idx].base = addr;
3342 break;
3343 case TARGET_ARCH_GET_GS:
3344 case TARGET_ARCH_GET_FS:
3345 if (code == TARGET_ARCH_GET_GS)
3346 idx = R_GS;
3347 else
3348 idx = R_FS;
3349 val = env->segs[idx].base;
3350 if (put_user(val, addr, abi_ulong))
3351 return -TARGET_EFAULT;
3352 break;
3353 default:
3354 ret = -TARGET_EINVAL;
3355 break;
3356 }
3357 return 0;
3358}
3359#endif
3360
2ab83ea7
FB		 3361#endif /* defined(TARGET_I386) */
3362
d865bab5
PB		 3363#if defined(USE_NPTL)
3364
3365#define NEW_STACK_SIZE PTHREAD_STACK_MIN
3366
3367static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3368typedef struct {
3369 CPUState *env;
3370 pthread_mutex_t mutex;
3371 pthread_cond_t cond;
3372 pthread_t thread;
3373 uint32_t tid;
3374 abi_ulong child_tidptr;
3375 abi_ulong parent_tidptr;
3376 sigset_t sigmask;
3377} new_thread_info;
3378
3379static void *clone_func(void *arg)
3380{
3381 new_thread_info *info = arg;
3382 CPUState *env;
edf8e2af 3383 TaskState *ts;
d865bab5
PB		 3384
3385 env = info->env;
3386 thread_env = env;
edf8e2af 3387 ts = (TaskState *)thread_env->opaque;
d865bab5 3388 info->tid = gettid();
1e9fa730 3389 env->host_tid = info->tid;
edf8e2af 3390 task_settid(ts);
d865bab5
PB		 3391 if (info->child_tidptr)
3392 put_user_u32(info->tid, info->child_tidptr);
3393 if (info->parent_tidptr)
3394 put_user_u32(info->tid, info->parent_tidptr);
3395 /* Enable signals. */
3396 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3397 /* Signal to the parent that we're ready. */
3398 pthread_mutex_lock(&info->mutex);
3399 pthread_cond_broadcast(&info->cond);
3400 pthread_mutex_unlock(&info->mutex);
3401 /* Wait until the parent has finshed initializing the tls state. */
3402 pthread_mutex_lock(&clone_lock);
3403 pthread_mutex_unlock(&clone_lock);
3404 cpu_loop(env);
3405 /* never exits */
3406 return NULL;
3407}
3408#else
1b6b029e
FB		 3409/* this stack is the equivalent of the kernel stack associated with a
3410 thread/process */
3411#define NEW_STACK_SIZE 8192
3412
3413static int clone_func(void *arg)
3414{
2ab83ea7 3415 CPUState *env = arg;
1b6b029e
FB		 3416 cpu_loop(env);
3417 /* never exits */
3418 return 0;
3419}
d865bab5 3420#endif
1b6b029e 3421
0da46a6e
TS		 3422/* do_fork() Must return host values and target errnos (unlike most
3423 do_*() functions). */
d865bab5
PB		 3424static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3425 abi_ulong parent_tidptr, target_ulong newtls,
3426 abi_ulong child_tidptr)
1b6b029e
FB		 3427{
3428 int ret;
5cd4393b 3429 TaskState *ts;
1b6b029e 3430 uint8_t *new_stack;
2ab83ea7 3431 CPUState *new_env;
d865bab5
PB		 3432#if defined(USE_NPTL)
3433 unsigned int nptl_flags;
3434 sigset_t sigmask;
3435#endif
3b46e624 3436
436d124b
AZ		 3437 /* Emulate vfork() with fork() */
3438 if (flags & CLONE_VFORK)
3439 flags &= ~(CLONE_VFORK | CLONE_VM);
3440
1b6b029e 3441 if (flags & CLONE_VM) {
edf8e2af 3442 TaskState *parent_ts = (TaskState *)env->opaque;
bd0c5661 3443#if defined(USE_NPTL)
d865bab5
PB		 3444 new_thread_info info;
3445 pthread_attr_t attr;
bd0c5661 3446#endif
c3a92833 3447 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
624f7979 3448 init_task_state(ts);
5cd4393b 3449 new_stack = ts->stack;
1b6b029e 3450 /* we create a new CPU instance. */
c5be9f08 3451 new_env = cpu_copy(env);
6e68e076
PB		 3452 /* Init regs that differ from the parent. */
3453 cpu_clone_regs(new_env, newsp);
5cd4393b 3454 new_env->opaque = ts;
edf8e2af
MW		 3455 ts->bprm = parent_ts->bprm;
3456 ts->info = parent_ts->info;
d865bab5
PB		 3457#if defined(USE_NPTL)
3458 nptl_flags = flags;
3459 flags &= ~CLONE_NPTL_FLAGS2;
3460
c2764719
PB		 3461 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3462 ts->child_tidptr = child_tidptr;
3463 }
3464
d865bab5
PB		 3465 if (nptl_flags & CLONE_SETTLS)
3466 cpu_set_tls (new_env, newtls);
3467
3468 /* Grab a mutex so that thread setup appears atomic. */
3469 pthread_mutex_lock(&clone_lock);
3470
3471 memset(&info, 0, sizeof(info));
3472 pthread_mutex_init(&info.mutex, NULL);
3473 pthread_mutex_lock(&info.mutex);
3474 pthread_cond_init(&info.cond, NULL);
3475 info.env = new_env;
3476 if (nptl_flags & CLONE_CHILD_SETTID)
3477 info.child_tidptr = child_tidptr;
3478 if (nptl_flags & CLONE_PARENT_SETTID)
3479 info.parent_tidptr = parent_tidptr;
3480
3481 ret = pthread_attr_init(&attr);
3482 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
3483 /* It is not safe to deliver signals until the child has finished
3484 initializing, so temporarily block all signals. */
3485 sigfillset(&sigmask);
3486 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3487
3488 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 3489 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 3490
3491 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3492 pthread_attr_destroy(&attr);
3493 if (ret == 0) {
3494 /* Wait for the child to initialize. */
3495 pthread_cond_wait(&info.cond, &info.mutex);
3496 ret = info.tid;
3497 if (flags & CLONE_PARENT_SETTID)
3498 put_user_u32(ret, parent_tidptr);
3499 } else {
3500 ret = -1;
3501 }
3502 pthread_mutex_unlock(&info.mutex);
3503 pthread_cond_destroy(&info.cond);
3504 pthread_mutex_destroy(&info.mutex);
3505 pthread_mutex_unlock(&clone_lock);
3506#else
3507 if (flags & CLONE_NPTL_FLAGS2)
3508 return -EINVAL;
3509 /* This is probably going to die very quickly, but do it anyway. */
27725c1d 3510#ifdef __ia64__
fd4a43e4 3511 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 3512#else
3513 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 3514#endif
27725c1d 3515#endif
1b6b029e
FB		 3516 } else {
3517 /* if no CLONE_VM, we consider it is a fork */
d865bab5 3518 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 3519 return -EINVAL;
d865bab5 3520 fork_start();
1b6b029e 3521 ret = fork();
d865bab5 3522 if (ret == 0) {
2b1319c8 3523 /* Child Process. */
d865bab5
PB		 3524 cpu_clone_regs(env, newsp);
3525 fork_end(1);
2b1319c8
AJ		 3526#if defined(USE_NPTL)
3527 /* There is a race condition here. The parent process could
3528 theoretically read the TID in the child process before the child
3529 tid is set. This would require using either ptrace
3530 (not implemented) or having *_tidptr to point at a shared memory
3531 mapping. We can't repeat the spinlock hack used above because
3532 the child process gets its own copy of the lock. */
d865bab5
PB		 3533 if (flags & CLONE_CHILD_SETTID)
3534 put_user_u32(gettid(), child_tidptr);
3535 if (flags & CLONE_PARENT_SETTID)
3536 put_user_u32(gettid(), parent_tidptr);
3537 ts = (TaskState *)env->opaque;
3538 if (flags & CLONE_SETTLS)
3539 cpu_set_tls (env, newtls);
c2764719
PB		 3540 if (flags & CLONE_CHILD_CLEARTID)
3541 ts->child_tidptr = child_tidptr;
2b1319c8 3542#endif
d865bab5
PB		 3543 } else {
3544 fork_end(0);
3545 }
1b6b029e
FB		 3546 }
3547 return ret;
3548}
3549
992f48a0 3550static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 3551{
3552 struct flock fl;
53a5960a 3553 struct target_flock *target_fl;
43f238d7
TS		 3554 struct flock64 fl64;
3555 struct target_flock64 *target_fl64;
992f48a0 3556 abi_long ret;
53a5960a 3557
7775e9ec
FB		 3558 switch(cmd) {
3559 case TARGET_F_GETLK:
579a97f7
FB		 3560 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3561 return -TARGET_EFAULT;
5813427b
TS		 3562 fl.l_type = tswap16(target_fl->l_type);
3563 fl.l_whence = tswap16(target_fl->l_whence);
3564 fl.l_start = tswapl(target_fl->l_start);
3565 fl.l_len = tswapl(target_fl->l_len);
3566 fl.l_pid = tswapl(target_fl->l_pid);
3567 unlock_user_struct(target_fl, arg, 0);
9ee1fa2c 3568 ret = get_errno(fcntl(fd, cmd, &fl));
7775e9ec 3569 if (ret == 0) {
579a97f7
FB		 3570 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3571 return -TARGET_EFAULT;
7775e9ec
FB		 3572 target_fl->l_type = tswap16(fl.l_type);
3573 target_fl->l_whence = tswap16(fl.l_whence);
3574 target_fl->l_start = tswapl(fl.l_start);
3575 target_fl->l_len = tswapl(fl.l_len);
3576 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 3577 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 3578 }
3579 break;
3b46e624 3580
7775e9ec
FB		 3581 case TARGET_F_SETLK:
3582 case TARGET_F_SETLKW:
579a97f7
FB		 3583 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3584 return -TARGET_EFAULT;
7775e9ec
FB		 3585 fl.l_type = tswap16(target_fl->l_type);
3586 fl.l_whence = tswap16(target_fl->l_whence);
3587 fl.l_start = tswapl(target_fl->l_start);
3588 fl.l_len = tswapl(target_fl->l_len);
3589 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 3590 unlock_user_struct(target_fl, arg, 0);
9ee1fa2c 3591 ret = get_errno(fcntl(fd, cmd, &fl));
7775e9ec 3592 break;
3b46e624 3593
7775e9ec 3594 case TARGET_F_GETLK64:
579a97f7
FB		 3595 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3596 return -TARGET_EFAULT;
5813427b
TS		 3597 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3598 fl64.l_whence = tswap16(target_fl64->l_whence);
3599 fl64.l_start = tswapl(target_fl64->l_start);
3600 fl64.l_len = tswapl(target_fl64->l_len);
3601 fl64.l_pid = tswap16(target_fl64->l_pid);
3602 unlock_user_struct(target_fl64, arg, 0);
9ee1fa2c 3603 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
43f238d7 3604 if (ret == 0) {
579a97f7
FB		 3605 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3606 return -TARGET_EFAULT;
43f238d7
TS		 3607 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3608 target_fl64->l_whence = tswap16(fl64.l_whence);
3609 target_fl64->l_start = tswapl(fl64.l_start);
3610 target_fl64->l_len = tswapl(fl64.l_len);
3611 target_fl64->l_pid = tswapl(fl64.l_pid);
3612 unlock_user_struct(target_fl64, arg, 1);
3613 }
9ee1fa2c 3614 break;
7775e9ec
FB		 3615 case TARGET_F_SETLK64:
3616 case TARGET_F_SETLKW64:
579a97f7
FB		 3617 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3618 return -TARGET_EFAULT;
43f238d7
TS		 3619 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3620 fl64.l_whence = tswap16(target_fl64->l_whence);
3621 fl64.l_start = tswapl(target_fl64->l_start);
3622 fl64.l_len = tswapl(target_fl64->l_len);
3623 fl64.l_pid = tswap16(target_fl64->l_pid);
3624 unlock_user_struct(target_fl64, arg, 0);
9ee1fa2c 3625 ret = get_errno(fcntl(fd, cmd >> 1, &fl64));
7775e9ec
FB		 3626 break;
3627
ffa65c3b 3628 case F_GETFL:
9ee1fa2c
FB		 3629 ret = get_errno(fcntl(fd, cmd, arg));
3630 if (ret >= 0) {
3631 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3632 }
ffa65c3b
FB		 3633 break;
3634
3635 case F_SETFL:
9ee1fa2c 3636 ret = get_errno(fcntl(fd, cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
ffa65c3b
FB		 3637 break;
3638
7775e9ec 3639 default:
9ee1fa2c 3640 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 3641 break;
3642 }
3643 return ret;
3644}
3645
67867308 3646#ifdef USE_UID16
7775e9ec 3647
67867308
FB		 3648static inline int high2lowuid(int uid)
3649{
3650 if (uid > 65535)
3651 return 65534;
3652 else
3653 return uid;
3654}
3655
3656static inline int high2lowgid(int gid)
3657{
3658 if (gid > 65535)
3659 return 65534;
3660 else
3661 return gid;
3662}
3663
3664static inline int low2highuid(int uid)
3665{
3666 if ((int16_t)uid == -1)
3667 return -1;
3668 else
3669 return uid;
3670}
3671
3672static inline int low2highgid(int gid)
3673{
3674 if ((int16_t)gid == -1)
3675 return -1;
3676 else
3677 return gid;
3678}
3679
3680#endif /* USE_UID16 */
1b6b029e 3681
31e31b8a
FB		 3682void syscall_init(void)
3683{
2ab83ea7
FB		 3684 IOCTLEntry *ie;
3685 const argtype *arg_type;
3686 int size;
b92c47c1 3687 int i;
2ab83ea7 3688
001faf32 3689#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 3690#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 3691#include "syscall_types.h"
3692#undef STRUCT
3693#undef STRUCT_SPECIAL
2ab83ea7
FB		 3694
3695 /* we patch the ioctl size if necessary. We rely on the fact that
3696 no ioctl has all the bits at '1' in the size field */
3697 ie = ioctl_entries;
3698 while (ie->target_cmd != 0) {
3699 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3700 TARGET_IOC_SIZEMASK) {
3701 arg_type = ie->arg_type;
3702 if (arg_type[0] != TYPE_PTR) {
5fafdf24 3703 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 3704 ie->target_cmd);
3705 exit(1);
3706 }
3707 arg_type++;
3708 size = thunk_type_size(arg_type, 0);
5fafdf24 3709 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 3710 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3711 (size << TARGET_IOC_SIZESHIFT);
3712 }
b92c47c1
TS		 3713
3714 /* Build target_to_host_errno_table[] table from
3715 * host_to_target_errno_table[]. */
3716 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3717 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3718
2ab83ea7 3719 /* automatic consistency check if same arch */
872ea0c0
AZ		 3720#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3721 (defined(__x86_64__) && defined(TARGET_X86_64))
3722 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3723 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3724 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 3725 }
3726#endif
3727 ie++;
3728 }
31e31b8a 3729}
c573ff67 3730
992f48a0 3731#if TARGET_ABI_BITS == 32
ce4defa0
PB		 3732static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3733{
af325d36 3734#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 3735 return ((uint64_t)word0 << 32) | word1;
3736#else
3737 return ((uint64_t)word1 << 32) | word0;
3738#endif
3739}
992f48a0 3740#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 3741static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3742{
3743 return word0;
3744}
992f48a0 3745#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 3746
3747#ifdef TARGET_NR_truncate64
992f48a0
BS		 3748static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3749 abi_long arg2,
3750 abi_long arg3,
3751 abi_long arg4)
ce4defa0
PB		 3752{
3753#ifdef TARGET_ARM
3754 if (((CPUARMState *)cpu_env)->eabi)
3755 {
3756 arg2 = arg3;
3757 arg3 = arg4;
3758 }
3759#endif
3760 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3761}
3762#endif
3763
3764#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 3765static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3766 abi_long arg2,
3767 abi_long arg3,
3768 abi_long arg4)
ce4defa0
PB		 3769{
3770#ifdef TARGET_ARM
3771 if (((CPUARMState *)cpu_env)->eabi)
3772 {
3773 arg2 = arg3;
3774 arg3 = arg4;
3775 }
3776#endif
3777 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3778}
3779#endif
3780
579a97f7
FB		 3781static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3782 abi_ulong target_addr)
53a5960a
PB		 3783{
3784 struct target_timespec *target_ts;
3785
579a97f7
FB		 3786 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3787 return -TARGET_EFAULT;
53a5960a
PB		 3788 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3789 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3790 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 3791 return 0;
53a5960a
PB		 3792}
3793
579a97f7
FB		 3794static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3795 struct timespec *host_ts)
53a5960a
PB		 3796{
3797 struct target_timespec *target_ts;
3798
579a97f7
FB		 3799 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3800 return -TARGET_EFAULT;
53a5960a
PB		 3801 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3802 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3803 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 3804 return 0;
53a5960a
PB		 3805}
3806
9d33b76b 3807#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 3808static inline abi_long host_to_target_stat64(void *cpu_env,
3809 abi_ulong target_addr,
3810 struct stat *host_st)
3811{
3812#ifdef TARGET_ARM
3813 if (((CPUARMState *)cpu_env)->eabi) {
3814 struct target_eabi_stat64 *target_st;
3815
3816 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3817 return -TARGET_EFAULT;
3818 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3819 __put_user(host_st->st_dev, &target_st->st_dev);
3820 __put_user(host_st->st_ino, &target_st->st_ino);
3821#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3822 __put_user(host_st->st_ino, &target_st->__st_ino);
3823#endif
3824 __put_user(host_st->st_mode, &target_st->st_mode);
3825 __put_user(host_st->st_nlink, &target_st->st_nlink);
3826 __put_user(host_st->st_uid, &target_st->st_uid);
3827 __put_user(host_st->st_gid, &target_st->st_gid);
3828 __put_user(host_st->st_rdev, &target_st->st_rdev);
3829 __put_user(host_st->st_size, &target_st->st_size);
3830 __put_user(host_st->st_blksize, &target_st->st_blksize);
3831 __put_user(host_st->st_blocks, &target_st->st_blocks);
3832 __put_user(host_st->st_atime, &target_st->target_st_atime);
3833 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3834 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3835 unlock_user_struct(target_st, target_addr, 1);
3836 } else
3837#endif
3838 {
9d33b76b
AJ		 3839#if TARGET_LONG_BITS == 64
3840 struct target_stat *target_st;
3841#else
6a24a778 3842 struct target_stat64 *target_st;
9d33b76b 3843#endif
6a24a778
AZ		 3844
3845 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3846 return -TARGET_EFAULT;
9d33b76b 3847 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 3848 __put_user(host_st->st_dev, &target_st->st_dev);
3849 __put_user(host_st->st_ino, &target_st->st_ino);
3850#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3851 __put_user(host_st->st_ino, &target_st->__st_ino);
3852#endif
3853 __put_user(host_st->st_mode, &target_st->st_mode);
3854 __put_user(host_st->st_nlink, &target_st->st_nlink);
3855 __put_user(host_st->st_uid, &target_st->st_uid);
3856 __put_user(host_st->st_gid, &target_st->st_gid);
3857 __put_user(host_st->st_rdev, &target_st->st_rdev);
3858 /* XXX: better use of kernel struct */
3859 __put_user(host_st->st_size, &target_st->st_size);
3860 __put_user(host_st->st_blksize, &target_st->st_blksize);
3861 __put_user(host_st->st_blocks, &target_st->st_blocks);
3862 __put_user(host_st->st_atime, &target_st->target_st_atime);
3863 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3864 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3865 unlock_user_struct(target_st, target_addr, 1);
3866 }
3867
3868 return 0;
3869}
3870#endif
3871
bd0c5661
PB		 3872#if defined(USE_NPTL)
3873/* ??? Using host futex calls even when target atomic operations
3874 are not really atomic probably breaks things. However implementing
3875 futexes locally would make futexes shared between multiple processes
3876 tricky. However they're probably useless because guest atomic
3877 operations won't work either. */
8fcd3692
BS		 3878static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
3879 target_ulong uaddr2, int val3)
bd0c5661
PB		 3880{
3881 struct timespec ts, *pts;
3882
3883 /* ??? We assume FUTEX_* constants are the same on both host
3884 and target. */
3885 switch (op) {
3886 case FUTEX_WAIT:
3887 if (timeout) {
3888 pts = &ts;
3889 target_to_host_timespec(pts, timeout);
3890 } else {
3891 pts = NULL;
3892 }
3893 return get_errno(sys_futex(g2h(uaddr), FUTEX_WAIT, tswap32(val),
3894 pts, NULL, 0));
3895 case FUTEX_WAKE:
3896 return get_errno(sys_futex(g2h(uaddr), FUTEX_WAKE, val, NULL, NULL, 0));
3897 case FUTEX_FD:
3898 return get_errno(sys_futex(g2h(uaddr), FUTEX_FD, val, NULL, NULL, 0));
3899 case FUTEX_REQUEUE:
3900 return get_errno(sys_futex(g2h(uaddr), FUTEX_REQUEUE, val,
3901 NULL, g2h(uaddr2), 0));
3902 case FUTEX_CMP_REQUEUE:
3903 return get_errno(sys_futex(g2h(uaddr), FUTEX_CMP_REQUEUE, val,
3904 NULL, g2h(uaddr2), tswap32(val3)));
3905 default:
3906 return -TARGET_ENOSYS;
3907 }
3908}
3909#endif
3910
1d9d8b55
PB		 3911/* Map host to target signal numbers for the wait family of syscalls.
3912 Assume all other status bits are the same. */
3913static int host_to_target_waitstatus(int status)
3914{
3915 if (WIFSIGNALED(status)) {
3916 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
3917 }
3918 if (WIFSTOPPED(status)) {
3919 return (host_to_target_signal(WSTOPSIG(status)) << 8)
3920 | (status & 0xff);
3921 }
3922 return status;
3923}
3924
a745ec6d
PB		 3925int get_osversion(void)
3926{
3927 static int osversion;
3928 struct new_utsname buf;
3929 const char *s;
3930 int i, n, tmp;
3931 if (osversion)
3932 return osversion;
3933 if (qemu_uname_release && *qemu_uname_release) {
3934 s = qemu_uname_release;
3935 } else {
3936 if (sys_uname(&buf))
3937 return 0;
3938 s = buf.release;
3939 }
3940 tmp = 0;
3941 for (i = 0; i < 3; i++) {
3942 n = 0;
3943 while (*s >= '0' && *s <= '9') {
3944 n *= 10;
3945 n += *s - '0';
3946 s++;
3947 }
3948 tmp = (tmp << 8) + n;
3949 if (*s == '.')
3950 s++;
3951 }
3952 osversion = tmp;
3953 return osversion;
3954}
3955
0da46a6e
TS		 3956/* do_syscall() should always have a single exit point at the end so
3957 that actions, such as logging of syscall results, can be performed.
3958 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 3959abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
3960 abi_long arg2, abi_long arg3, abi_long arg4,
3961 abi_long arg5, abi_long arg6)
31e31b8a 3962{
992f48a0 3963 abi_long ret;
31e31b8a 3964 struct stat st;
56c8f68f 3965 struct statfs stfs;
53a5960a 3966 void *p;
3b46e624 3967
72f03900 3968#ifdef DEBUG
c573ff67 3969 gemu_log("syscall %d", num);
72f03900 3970#endif
b92c47c1
TS		 3971 if(do_strace)
3972 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
3973
31e31b8a
FB		 3974 switch(num) {
3975 case TARGET_NR_exit:
c2764719
PB		 3976#ifdef USE_NPTL
3977 /* In old applications this may be used to implement _exit(2).
3978 However in threaded applictions it is used for thread termination,
3979 and _exit_group is used for application termination.
3980 Do thread termination if we have more then one thread. */
3981 /* FIXME: This probably breaks if a signal arrives. We should probably
3982 be disabling signals. */
3983 if (first_cpu->next_cpu) {
1e9fa730 3984 TaskState *ts;
c2764719
PB		 3985 CPUState **lastp;
3986 CPUState *p;
3987
3988 cpu_list_lock();
3989 lastp = &first_cpu;
3990 p = first_cpu;
3991 while (p && p != (CPUState *)cpu_env) {
3992 lastp = &p->next_cpu;
3993 p = p->next_cpu;
3994 }
3995 /* If we didn't find the CPU for this thread then something is
3996 horribly wrong. */
3997 if (!p)
3998 abort();
3999 /* Remove the CPU from the list. */
4000 *lastp = p->next_cpu;
4001 cpu_list_unlock();
1e9fa730 4002 ts = ((CPUState *)cpu_env)->opaque;
c2764719
PB		 4003 if (ts->child_tidptr) {
4004 put_user_u32(0, ts->child_tidptr);
4005 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4006 NULL, NULL, 0);
4007 }
4008 /* TODO: Free CPU state. */
4009 pthread_exit(NULL);
4010 }
4011#endif
7d13299d
FB		 4012#ifdef HAVE_GPROF
4013 _mcleanup();
4014#endif
e9009676 4015 gdb_exit(cpu_env, arg1);
c2764719 4016 _exit(arg1);
31e31b8a
FB		 4017 ret = 0; /* avoid warning */
4018 break;
4019 case TARGET_NR_read:
38d840e6
AJ		 4020 if (arg3 == 0)
4021 ret = 0;
4022 else {
4023 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4024 goto efault;
4025 ret = get_errno(read(arg1, p, arg3));
4026 unlock_user(p, arg2, ret);
4027 }
31e31b8a
FB		 4028 break;
4029 case TARGET_NR_write:
579a97f7
FB		 4030 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4031 goto efault;
53a5960a
PB		 4032 ret = get_errno(write(arg1, p, arg3));
4033 unlock_user(p, arg2, 0);
31e31b8a
FB		 4034 break;
4035 case TARGET_NR_open:
2f619698
FB		 4036 if (!(p = lock_user_string(arg1)))
4037 goto efault;
53a5960a 4038 ret = get_errno(open(path(p),
ffa65c3b
FB		 4039 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4040 arg3));
53a5960a 4041 unlock_user(p, arg1, 0);
31e31b8a 4042 break;
82424832
TS		 4043#if defined(TARGET_NR_openat) && defined(__NR_openat)
4044 case TARGET_NR_openat:
579a97f7
FB		 4045 if (!(p = lock_user_string(arg2)))
4046 goto efault;
4047 ret = get_errno(sys_openat(arg1,
4048 path(p),
4049 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4050 arg4));
4051 unlock_user(p, arg2, 0);
82424832
TS		 4052 break;
4053#endif
31e31b8a
FB		 4054 case TARGET_NR_close:
4055 ret = get_errno(close(arg1));
4056 break;
4057 case TARGET_NR_brk:
53a5960a 4058 ret = do_brk(arg1);
31e31b8a
FB		 4059 break;
4060 case TARGET_NR_fork:
d865bab5 4061 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 4062 break;
e5febef5 4063#ifdef TARGET_NR_waitpid
31e31b8a
FB		 4064 case TARGET_NR_waitpid:
4065 {
53a5960a
PB		 4066 int status;
4067 ret = get_errno(waitpid(arg1, &status, arg3));
2f619698 4068 if (!is_error(ret) && arg2
1d9d8b55 4069 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 4070 goto efault;
31e31b8a
FB		 4071 }
4072 break;
e5febef5 4073#endif
f0cbb613
PB		 4074#ifdef TARGET_NR_waitid
4075 case TARGET_NR_waitid:
4076 {
4077 siginfo_t info;
4078 info.si_pid = 0;
4079 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4080 if (!is_error(ret) && arg3 && info.si_pid != 0) {
4081 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
4082 goto efault;
4083 host_to_target_siginfo(p, &info);
4084 unlock_user(p, arg3, sizeof(target_siginfo_t));
4085 }
4086 }
4087 break;
4088#endif
7a3148a9 4089#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 4090 case TARGET_NR_creat:
579a97f7
FB		 4091 if (!(p = lock_user_string(arg1)))
4092 goto efault;
53a5960a
PB		 4093 ret = get_errno(creat(p, arg2));
4094 unlock_user(p, arg1, 0);
31e31b8a 4095 break;
7a3148a9 4096#endif
31e31b8a 4097 case TARGET_NR_link:
53a5960a
PB		 4098 {
4099 void * p2;
4100 p = lock_user_string(arg1);
4101 p2 = lock_user_string(arg2);
579a97f7
FB		 4102 if (!p || !p2)
4103 ret = -TARGET_EFAULT;
4104 else
4105 ret = get_errno(link(p, p2));
53a5960a
PB		 4106 unlock_user(p2, arg2, 0);
4107 unlock_user(p, arg1, 0);
4108 }
31e31b8a 4109 break;
64f0ce4c
TS		 4110#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4111 case TARGET_NR_linkat:
64f0ce4c
TS		 4112 {
4113 void * p2 = NULL;
579a97f7
FB		 4114 if (!arg2 || !arg4)
4115 goto efault;
64f0ce4c
TS		 4116 p = lock_user_string(arg2);
4117 p2 = lock_user_string(arg4);
579a97f7 4118 if (!p || !p2)
0da46a6e 4119 ret = -TARGET_EFAULT;
64f0ce4c
TS		 4120 else
4121 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 4122 unlock_user(p, arg2, 0);
4123 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 4124 }
4125 break;
4126#endif
31e31b8a 4127 case TARGET_NR_unlink:
579a97f7
FB		 4128 if (!(p = lock_user_string(arg1)))
4129 goto efault;
53a5960a
PB		 4130 ret = get_errno(unlink(p));
4131 unlock_user(p, arg1, 0);
31e31b8a 4132 break;
8170f56b
TS		 4133#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4134 case TARGET_NR_unlinkat:
579a97f7
FB		 4135 if (!(p = lock_user_string(arg2)))
4136 goto efault;
4137 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4138 unlock_user(p, arg2, 0);
ed494d87 4139 break;
b7d35e65 4140#endif
31e31b8a 4141 case TARGET_NR_execve:
7854b056
FB		 4142 {
4143 char **argp, **envp;
f7341ff4 4144 int argc, envc;
992f48a0
BS		 4145 abi_ulong gp;
4146 abi_ulong guest_argp;
4147 abi_ulong guest_envp;
4148 abi_ulong addr;
7854b056
FB		 4149 char **q;
4150
f7341ff4 4151 argc = 0;
53a5960a 4152 guest_argp = arg2;
da94d263 4153 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4154 if (get_user_ual(addr, gp))
2f619698 4155 goto efault;
03aa1976 4156 if (!addr)
2f619698 4157 break;
7854b056 4158 argc++;
2f619698 4159 }
f7341ff4 4160 envc = 0;
53a5960a 4161 guest_envp = arg3;
da94d263 4162 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4163 if (get_user_ual(addr, gp))
2f619698 4164 goto efault;
03aa1976 4165 if (!addr)
2f619698 4166 break;
7854b056 4167 envc++;
2f619698 4168 }
7854b056 4169
f7341ff4
FB		 4170 argp = alloca((argc + 1) * sizeof(void *));
4171 envp = alloca((envc + 1) * sizeof(void *));
7854b056 4172
da94d263 4173 for (gp = guest_argp, q = argp; gp;
992f48a0 4174 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4175 if (get_user_ual(addr, gp))
4176 goto execve_efault;
53a5960a
PB		 4177 if (!addr)
4178 break;
2f619698
FB		 4179 if (!(*q = lock_user_string(addr)))
4180 goto execve_efault;
53a5960a 4181 }
f7341ff4
FB		 4182 *q = NULL;
4183
da94d263 4184 for (gp = guest_envp, q = envp; gp;
992f48a0 4185 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4186 if (get_user_ual(addr, gp))
4187 goto execve_efault;
53a5960a
PB		 4188 if (!addr)
4189 break;
2f619698
FB		 4190 if (!(*q = lock_user_string(addr)))
4191 goto execve_efault;
53a5960a 4192 }
f7341ff4 4193 *q = NULL;
7854b056 4194
2f619698
FB		 4195 if (!(p = lock_user_string(arg1)))
4196 goto execve_efault;
53a5960a
PB		 4197 ret = get_errno(execve(p, argp, envp));
4198 unlock_user(p, arg1, 0);
4199
2f619698
FB		 4200 goto execve_end;
4201
4202 execve_efault:
4203 ret = -TARGET_EFAULT;
4204
4205 execve_end:
53a5960a 4206 for (gp = guest_argp, q = argp; *q;
992f48a0 4207 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4208 if (get_user_ual(addr, gp)
4209 || !addr)
4210 break;
53a5960a
PB		 4211 unlock_user(*q, addr, 0);
4212 }
4213 for (gp = guest_envp, q = envp; *q;
992f48a0 4214 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4215 if (get_user_ual(addr, gp)
4216 || !addr)
4217 break;
53a5960a
PB		 4218 unlock_user(*q, addr, 0);
4219 }
7854b056 4220 }
31e31b8a
FB		 4221 break;
4222 case TARGET_NR_chdir:
579a97f7
FB		 4223 if (!(p = lock_user_string(arg1)))
4224 goto efault;
53a5960a
PB		 4225 ret = get_errno(chdir(p));
4226 unlock_user(p, arg1, 0);
31e31b8a 4227 break;
a315a145 4228#ifdef TARGET_NR_time
31e31b8a
FB		 4229 case TARGET_NR_time:
4230 {
53a5960a
PB		 4231 time_t host_time;
4232 ret = get_errno(time(&host_time));
2f619698
FB		 4233 if (!is_error(ret)
4234 && arg1
4235 && put_user_sal(host_time, arg1))
4236 goto efault;
31e31b8a
FB		 4237 }
4238 break;
a315a145 4239#endif
31e31b8a 4240 case TARGET_NR_mknod:
579a97f7
FB		 4241 if (!(p = lock_user_string(arg1)))
4242 goto efault;
53a5960a
PB		 4243 ret = get_errno(mknod(p, arg2, arg3));
4244 unlock_user(p, arg1, 0);
31e31b8a 4245 break;
75ac37a0
TS		 4246#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4247 case TARGET_NR_mknodat:
579a97f7
FB		 4248 if (!(p = lock_user_string(arg2)))
4249 goto efault;
4250 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4251 unlock_user(p, arg2, 0);
75ac37a0
TS		 4252 break;
4253#endif
31e31b8a 4254 case TARGET_NR_chmod:
579a97f7
FB		 4255 if (!(p = lock_user_string(arg1)))
4256 goto efault;
53a5960a
PB		 4257 ret = get_errno(chmod(p, arg2));
4258 unlock_user(p, arg1, 0);
31e31b8a 4259 break;
ebc05488 4260#ifdef TARGET_NR_break
31e31b8a
FB		 4261 case TARGET_NR_break:
4262 goto unimplemented;
ebc05488
FB		 4263#endif
4264#ifdef TARGET_NR_oldstat
31e31b8a
FB		 4265 case TARGET_NR_oldstat:
4266 goto unimplemented;
ebc05488 4267#endif
31e31b8a
FB		 4268 case TARGET_NR_lseek:
4269 ret = get_errno(lseek(arg1, arg2, arg3));
4270 break;
7a3148a9
JM		 4271#ifdef TARGET_NR_getxpid
4272 case TARGET_NR_getxpid:
4273#else
31e31b8a 4274 case TARGET_NR_getpid:
7a3148a9 4275#endif
31e31b8a
FB		 4276 ret = get_errno(getpid());
4277 break;
4278 case TARGET_NR_mount:
80265918
TS		 4279 {
4280 /* need to look at the data field */
4281 void *p2, *p3;
4282 p = lock_user_string(arg1);
4283 p2 = lock_user_string(arg2);
4284 p3 = lock_user_string(arg3);
579a97f7
FB		 4285 if (!p || !p2 || !p3)
4286 ret = -TARGET_EFAULT;
4287 else
4288 /* FIXME - arg5 should be locked, but it isn't clear how to
4289 * do that since it's not guaranteed to be a NULL-terminated
4290 * string.
4291 */
4292 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4293 unlock_user(p, arg1, 0);
4294 unlock_user(p2, arg2, 0);
4295 unlock_user(p3, arg3, 0);
80265918
TS		 4296 break;
4297 }
e5febef5 4298#ifdef TARGET_NR_umount
31e31b8a 4299 case TARGET_NR_umount:
579a97f7
FB		 4300 if (!(p = lock_user_string(arg1)))
4301 goto efault;
53a5960a
PB		 4302 ret = get_errno(umount(p));
4303 unlock_user(p, arg1, 0);
31e31b8a 4304 break;
e5febef5 4305#endif
7a3148a9 4306#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 4307 case TARGET_NR_stime:
4308 {
53a5960a 4309 time_t host_time;
2f619698
FB		 4310 if (get_user_sal(host_time, arg1))
4311 goto efault;
53a5960a 4312 ret = get_errno(stime(&host_time));
31e31b8a
FB		 4313 }
4314 break;
7a3148a9 4315#endif
31e31b8a
FB		 4316 case TARGET_NR_ptrace:
4317 goto unimplemented;
7a3148a9 4318#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 4319 case TARGET_NR_alarm:
4320 ret = alarm(arg1);
4321 break;
7a3148a9 4322#endif
ebc05488 4323#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 4324 case TARGET_NR_oldfstat:
4325 goto unimplemented;
ebc05488 4326#endif
7a3148a9 4327#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 4328 case TARGET_NR_pause:
4329 ret = get_errno(pause());
4330 break;
7a3148a9 4331#endif
e5febef5 4332#ifdef TARGET_NR_utime
31e31b8a 4333 case TARGET_NR_utime:
ebc05488 4334 {
53a5960a
PB		 4335 struct utimbuf tbuf, *host_tbuf;
4336 struct target_utimbuf *target_tbuf;
4337 if (arg2) {
579a97f7
FB		 4338 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4339 goto efault;
53a5960a
PB		 4340 tbuf.actime = tswapl(target_tbuf->actime);
4341 tbuf.modtime = tswapl(target_tbuf->modtime);
4342 unlock_user_struct(target_tbuf, arg2, 0);
4343 host_tbuf = &tbuf;
f72e8ff4 4344 } else {
53a5960a 4345 host_tbuf = NULL;
f72e8ff4 4346 }
579a97f7
FB		 4347 if (!(p = lock_user_string(arg1)))
4348 goto efault;
53a5960a
PB		 4349 ret = get_errno(utime(p, host_tbuf));
4350 unlock_user(p, arg1, 0);
ebc05488
FB		 4351 }
4352 break;
e5febef5 4353#endif
978a66ff
FB		 4354 case TARGET_NR_utimes:
4355 {
978a66ff 4356 struct timeval *tvp, tv[2];
53a5960a 4357 if (arg2) {
788f5ec4
TS		 4358 if (copy_from_user_timeval(&tv[0], arg2)
4359 || copy_from_user_timeval(&tv[1],
4360 arg2 + sizeof(struct target_timeval)))
4361 goto efault;
978a66ff
FB		 4362 tvp = tv;
4363 } else {
4364 tvp = NULL;
4365 }
579a97f7
FB		 4366 if (!(p = lock_user_string(arg1)))
4367 goto efault;
53a5960a
PB		 4368 ret = get_errno(utimes(p, tvp));
4369 unlock_user(p, arg1, 0);
978a66ff
FB		 4370 }
4371 break;
ac8a6556
AZ		 4372#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4373 case TARGET_NR_futimesat:
4374 {
4375 struct timeval *tvp, tv[2];
4376 if (arg3) {
4377 if (copy_from_user_timeval(&tv[0], arg3)
4378 || copy_from_user_timeval(&tv[1],
4379 arg3 + sizeof(struct target_timeval)))
4380 goto efault;
4381 tvp = tv;
4382 } else {
4383 tvp = NULL;
4384 }
4385 if (!(p = lock_user_string(arg2)))
4386 goto efault;
4387 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4388 unlock_user(p, arg2, 0);
4389 }
4390 break;
4391#endif
ebc05488 4392#ifdef TARGET_NR_stty
31e31b8a
FB		 4393 case TARGET_NR_stty:
4394 goto unimplemented;
ebc05488
FB		 4395#endif
4396#ifdef TARGET_NR_gtty
31e31b8a
FB		 4397 case TARGET_NR_gtty:
4398 goto unimplemented;
ebc05488 4399#endif
31e31b8a 4400 case TARGET_NR_access:
579a97f7
FB		 4401 if (!(p = lock_user_string(arg1)))
4402 goto efault;
53a5960a
PB		 4403 ret = get_errno(access(p, arg2));
4404 unlock_user(p, arg1, 0);
31e31b8a 4405 break;
92a34c10
TS		 4406#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4407 case TARGET_NR_faccessat:
579a97f7
FB		 4408 if (!(p = lock_user_string(arg2)))
4409 goto efault;
465c9f06 4410 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 4411 unlock_user(p, arg2, 0);
92a34c10
TS		 4412 break;
4413#endif
7a3148a9 4414#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 4415 case TARGET_NR_nice:
4416 ret = get_errno(nice(arg1));
4417 break;
7a3148a9 4418#endif
ebc05488 4419#ifdef TARGET_NR_ftime
31e31b8a
FB		 4420 case TARGET_NR_ftime:
4421 goto unimplemented;
ebc05488 4422#endif
31e31b8a 4423 case TARGET_NR_sync:
04369ff2
FB		 4424 sync();
4425 ret = 0;
31e31b8a
FB		 4426 break;
4427 case TARGET_NR_kill:
4cb05961 4428 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 4429 break;
4430 case TARGET_NR_rename:
53a5960a
PB		 4431 {
4432 void *p2;
4433 p = lock_user_string(arg1);
4434 p2 = lock_user_string(arg2);
579a97f7
FB		 4435 if (!p || !p2)
4436 ret = -TARGET_EFAULT;
4437 else
4438 ret = get_errno(rename(p, p2));
53a5960a
PB		 4439 unlock_user(p2, arg2, 0);
4440 unlock_user(p, arg1, 0);
4441 }
31e31b8a 4442 break;
722183f6
TS		 4443#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4444 case TARGET_NR_renameat:
722183f6 4445 {
579a97f7 4446 void *p2;
722183f6
TS		 4447 p = lock_user_string(arg2);
4448 p2 = lock_user_string(arg4);
579a97f7 4449 if (!p || !p2)
0da46a6e 4450 ret = -TARGET_EFAULT;
722183f6
TS		 4451 else
4452 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 4453 unlock_user(p2, arg4, 0);
4454 unlock_user(p, arg2, 0);
722183f6
TS		 4455 }
4456 break;
4457#endif
31e31b8a 4458 case TARGET_NR_mkdir:
579a97f7
FB		 4459 if (!(p = lock_user_string(arg1)))
4460 goto efault;
53a5960a
PB		 4461 ret = get_errno(mkdir(p, arg2));
4462 unlock_user(p, arg1, 0);
31e31b8a 4463 break;
4472ad0d
TS		 4464#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4465 case TARGET_NR_mkdirat:
579a97f7
FB		 4466 if (!(p = lock_user_string(arg2)))
4467 goto efault;
4468 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4469 unlock_user(p, arg2, 0);
4472ad0d
TS		 4470 break;
4471#endif
31e31b8a 4472 case TARGET_NR_rmdir:
579a97f7
FB		 4473 if (!(p = lock_user_string(arg1)))
4474 goto efault;
53a5960a
PB		 4475 ret = get_errno(rmdir(p));
4476 unlock_user(p, arg1, 0);
31e31b8a
FB		 4477 break;
4478 case TARGET_NR_dup:
4479 ret = get_errno(dup(arg1));
4480 break;
4481 case TARGET_NR_pipe:
4482 {
53a5960a
PB		 4483 int host_pipe[2];
4484 ret = get_errno(pipe(host_pipe));
31e31b8a 4485 if (!is_error(ret)) {
c12ab05c 4486#if defined(TARGET_MIPS)
ead9360e 4487 CPUMIPSState *env = (CPUMIPSState*)cpu_env;
b5dc7732 4488 env->active_tc.gpr[3] = host_pipe[1];
c12ab05c 4489 ret = host_pipe[0];
b5eff355
AJ		 4490#elif defined(TARGET_SH4)
4491 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
4492 ret = host_pipe[0];
c12ab05c 4493#else
2f619698
FB		 4494 if (put_user_s32(host_pipe[0], arg1)
4495 || put_user_s32(host_pipe[1], arg1 + sizeof(host_pipe[0])))
4496 goto efault;
c12ab05c 4497#endif
31e31b8a
FB		 4498 }
4499 }
4500 break;
4501 case TARGET_NR_times:
32f36bce 4502 {
53a5960a 4503 struct target_tms *tmsp;
32f36bce
FB		 4504 struct tms tms;
4505 ret = get_errno(times(&tms));
53a5960a 4506 if (arg1) {
579a97f7
FB		 4507 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4508 if (!tmsp)
4509 goto efault;
c596ed17
FB		 4510 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4511 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4512 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4513 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 4514 }
c596ed17
FB		 4515 if (!is_error(ret))
4516 ret = host_to_target_clock_t(ret);
32f36bce
FB		 4517 }
4518 break;
ebc05488 4519#ifdef TARGET_NR_prof
31e31b8a
FB		 4520 case TARGET_NR_prof:
4521 goto unimplemented;
ebc05488 4522#endif
e5febef5 4523#ifdef TARGET_NR_signal
31e31b8a
FB		 4524 case TARGET_NR_signal:
4525 goto unimplemented;
e5febef5 4526#endif
31e31b8a 4527 case TARGET_NR_acct:
38d840e6
AJ		 4528 if (arg1 == 0) {
4529 ret = get_errno(acct(NULL));
4530 } else {
4531 if (!(p = lock_user_string(arg1)))
4532 goto efault;
4533 ret = get_errno(acct(path(p)));
4534 unlock_user(p, arg1, 0);
4535 }
24836689 4536 break;
7a3148a9 4537#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 4538 case TARGET_NR_umount2:
579a97f7
FB		 4539 if (!(p = lock_user_string(arg1)))
4540 goto efault;
53a5960a
PB		 4541 ret = get_errno(umount2(p, arg2));
4542 unlock_user(p, arg1, 0);
31e31b8a 4543 break;
7a3148a9 4544#endif
ebc05488 4545#ifdef TARGET_NR_lock
31e31b8a
FB		 4546 case TARGET_NR_lock:
4547 goto unimplemented;
ebc05488 4548#endif
31e31b8a
FB		 4549 case TARGET_NR_ioctl:
4550 ret = do_ioctl(arg1, arg2, arg3);
4551 break;
4552 case TARGET_NR_fcntl:
9ee1fa2c 4553 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 4554 break;
ebc05488 4555#ifdef TARGET_NR_mpx
31e31b8a
FB		 4556 case TARGET_NR_mpx:
4557 goto unimplemented;
ebc05488 4558#endif
31e31b8a
FB		 4559 case TARGET_NR_setpgid:
4560 ret = get_errno(setpgid(arg1, arg2));
4561 break;
ebc05488 4562#ifdef TARGET_NR_ulimit
31e31b8a
FB		 4563 case TARGET_NR_ulimit:
4564 goto unimplemented;
ebc05488
FB		 4565#endif
4566#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 4567 case TARGET_NR_oldolduname:
4568 goto unimplemented;
ebc05488 4569#endif
31e31b8a
FB		 4570 case TARGET_NR_umask:
4571 ret = get_errno(umask(arg1));
4572 break;
4573 case TARGET_NR_chroot:
579a97f7
FB		 4574 if (!(p = lock_user_string(arg1)))
4575 goto efault;
53a5960a
PB		 4576 ret = get_errno(chroot(p));
4577 unlock_user(p, arg1, 0);
31e31b8a
FB		 4578 break;
4579 case TARGET_NR_ustat:
4580 goto unimplemented;
4581 case TARGET_NR_dup2:
4582 ret = get_errno(dup2(arg1, arg2));
4583 break;
7a3148a9 4584#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 4585 case TARGET_NR_getppid:
4586 ret = get_errno(getppid());
4587 break;
7a3148a9 4588#endif
31e31b8a
FB		 4589 case TARGET_NR_getpgrp:
4590 ret = get_errno(getpgrp());
4591 break;
4592 case TARGET_NR_setsid:
4593 ret = get_errno(setsid());
4594 break;
e5febef5 4595#ifdef TARGET_NR_sigaction
31e31b8a 4596 case TARGET_NR_sigaction:
31e31b8a 4597 {
388bb21a 4598#if !defined(TARGET_MIPS)
53a5960a 4599 struct target_old_sigaction *old_act;
66fb9763 4600 struct target_sigaction act, oact, *pact;
53a5960a 4601 if (arg2) {
579a97f7
FB		 4602 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4603 goto efault;
66fb9763
FB		 4604 act._sa_handler = old_act->_sa_handler;
4605 target_siginitset(&act.sa_mask, old_act->sa_mask);
4606 act.sa_flags = old_act->sa_flags;
4607 act.sa_restorer = old_act->sa_restorer;
53a5960a 4608 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 4609 pact = &act;
4610 } else {
4611 pact = NULL;
4612 }
4613 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 4614 if (!is_error(ret) && arg3) {
579a97f7
FB		 4615 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4616 goto efault;
53a5960a
PB		 4617 old_act->_sa_handler = oact._sa_handler;
4618 old_act->sa_mask = oact.sa_mask.sig[0];
4619 old_act->sa_flags = oact.sa_flags;
4620 old_act->sa_restorer = oact.sa_restorer;
4621 unlock_user_struct(old_act, arg3, 1);
66fb9763 4622 }
388bb21a 4623#else
106ec879
FB		 4624 struct target_sigaction act, oact, *pact, *old_act;
4625
4626 if (arg2) {
579a97f7
FB		 4627 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4628 goto efault;
106ec879
FB		 4629 act._sa_handler = old_act->_sa_handler;
4630 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4631 act.sa_flags = old_act->sa_flags;
4632 unlock_user_struct(old_act, arg2, 0);
4633 pact = &act;
4634 } else {
4635 pact = NULL;
4636 }
4637
4638 ret = get_errno(do_sigaction(arg1, pact, &oact));
4639
4640 if (!is_error(ret) && arg3) {
579a97f7
FB		 4641 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4642 goto efault;
106ec879
FB		 4643 old_act->_sa_handler = oact._sa_handler;
4644 old_act->sa_flags = oact.sa_flags;
4645 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4646 old_act->sa_mask.sig[1] = 0;
4647 old_act->sa_mask.sig[2] = 0;
4648 old_act->sa_mask.sig[3] = 0;
4649 unlock_user_struct(old_act, arg3, 1);
4650 }
388bb21a 4651#endif
31e31b8a
FB		 4652 }
4653 break;
e5febef5 4654#endif
66fb9763 4655 case TARGET_NR_rt_sigaction:
53a5960a
PB		 4656 {
4657 struct target_sigaction *act;
4658 struct target_sigaction *oact;
4659
579a97f7
FB		 4660 if (arg2) {
4661 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4662 goto efault;
4663 } else
53a5960a 4664 act = NULL;
579a97f7
FB		 4665 if (arg3) {
4666 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4667 ret = -TARGET_EFAULT;
4668 goto rt_sigaction_fail;
4669 }
4670 } else
53a5960a
PB		 4671 oact = NULL;
4672 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 4673 rt_sigaction_fail:
4674 if (act)
53a5960a 4675 unlock_user_struct(act, arg2, 0);
579a97f7 4676 if (oact)
53a5960a
PB		 4677 unlock_user_struct(oact, arg3, 1);
4678 }
66fb9763 4679 break;
7a3148a9 4680#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 4681 case TARGET_NR_sgetmask:
66fb9763
FB		 4682 {
4683 sigset_t cur_set;
992f48a0 4684 abi_ulong target_set;
66fb9763
FB		 4685 sigprocmask(0, NULL, &cur_set);
4686 host_to_target_old_sigset(&target_set, &cur_set);
4687 ret = target_set;
4688 }
4689 break;
7a3148a9
JM		 4690#endif
4691#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 4692 case TARGET_NR_ssetmask:
66fb9763
FB		 4693 {
4694 sigset_t set, oset, cur_set;
992f48a0 4695 abi_ulong target_set = arg1;
66fb9763
FB		 4696 sigprocmask(0, NULL, &cur_set);
4697 target_to_host_old_sigset(&set, &target_set);
4698 sigorset(&set, &set, &cur_set);
4699 sigprocmask(SIG_SETMASK, &set, &oset);
4700 host_to_target_old_sigset(&target_set, &oset);
4701 ret = target_set;
4702 }
4703 break;
7a3148a9 4704#endif
e5febef5 4705#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 4706 case TARGET_NR_sigprocmask:
4707 {
4708 int how = arg1;
4709 sigset_t set, oldset, *set_ptr;
3b46e624 4710
53a5960a 4711 if (arg2) {
66fb9763
FB		 4712 switch(how) {
4713 case TARGET_SIG_BLOCK:
4714 how = SIG_BLOCK;
4715 break;
4716 case TARGET_SIG_UNBLOCK:
4717 how = SIG_UNBLOCK;
4718 break;
4719 case TARGET_SIG_SETMASK:
4720 how = SIG_SETMASK;
4721 break;
4722 default:
0da46a6e 4723 ret = -TARGET_EINVAL;
66fb9763
FB		 4724 goto fail;
4725 }
579a97f7
FB		 4726 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4727 goto efault;
53a5960a
PB		 4728 target_to_host_old_sigset(&set, p);
4729 unlock_user(p, arg2, 0);
66fb9763
FB		 4730 set_ptr = &set;
4731 } else {
4732 how = 0;
4733 set_ptr = NULL;
4734 }
4735 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a 4736 if (!is_error(ret) && arg3) {
579a97f7
FB		 4737 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4738 goto efault;
53a5960a
PB		 4739 host_to_target_old_sigset(p, &oldset);
4740 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 4741 }
4742 }
4743 break;
e5febef5 4744#endif
66fb9763
FB		 4745 case TARGET_NR_rt_sigprocmask:
4746 {
4747 int how = arg1;
4748 sigset_t set, oldset, *set_ptr;
3b46e624 4749
53a5960a 4750 if (arg2) {
66fb9763
FB		 4751 switch(how) {
4752 case TARGET_SIG_BLOCK:
4753 how = SIG_BLOCK;
4754 break;
4755 case TARGET_SIG_UNBLOCK:
4756 how = SIG_UNBLOCK;
4757 break;
4758 case TARGET_SIG_SETMASK:
4759 how = SIG_SETMASK;
4760 break;
4761 default:
0da46a6e 4762 ret = -TARGET_EINVAL;
66fb9763
FB		 4763 goto fail;
4764 }
579a97f7
FB		 4765 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4766 goto efault;
53a5960a
PB		 4767 target_to_host_sigset(&set, p);
4768 unlock_user(p, arg2, 0);
66fb9763
FB		 4769 set_ptr = &set;
4770 } else {
4771 how = 0;
4772 set_ptr = NULL;
4773 }
4774 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 4775 if (!is_error(ret) && arg3) {
579a97f7
FB		 4776 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4777 goto efault;
53a5960a
PB		 4778 host_to_target_sigset(p, &oldset);
4779 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 4780 }
4781 }
4782 break;
e5febef5 4783#ifdef TARGET_NR_sigpending
66fb9763
FB		 4784 case TARGET_NR_sigpending:
4785 {
4786 sigset_t set;
4787 ret = get_errno(sigpending(&set));
4788 if (!is_error(ret)) {
579a97f7
FB		 4789 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4790 goto efault;
53a5960a
PB		 4791 host_to_target_old_sigset(p, &set);
4792 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 4793 }
4794 }
4795 break;
e5febef5 4796#endif
66fb9763
FB		 4797 case TARGET_NR_rt_sigpending:
4798 {
4799 sigset_t set;
4800 ret = get_errno(sigpending(&set));
4801 if (!is_error(ret)) {
579a97f7
FB		 4802 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4803 goto efault;
53a5960a
PB		 4804 host_to_target_sigset(p, &set);
4805 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 4806 }
4807 }
4808 break;
e5febef5 4809#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 4810 case TARGET_NR_sigsuspend:
4811 {
4812 sigset_t set;
579a97f7
FB		 4813 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4814 goto efault;
53a5960a
PB		 4815 target_to_host_old_sigset(&set, p);
4816 unlock_user(p, arg1, 0);
66fb9763
FB		 4817 ret = get_errno(sigsuspend(&set));
4818 }
4819 break;
e5febef5 4820#endif
66fb9763
FB		 4821 case TARGET_NR_rt_sigsuspend:
4822 {
4823 sigset_t set;
579a97f7
FB		 4824 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4825 goto efault;
53a5960a
PB		 4826 target_to_host_sigset(&set, p);
4827 unlock_user(p, arg1, 0);
66fb9763
FB		 4828 ret = get_errno(sigsuspend(&set));
4829 }
4830 break;
4831 case TARGET_NR_rt_sigtimedwait:
4832 {
66fb9763
FB		 4833 sigset_t set;
4834 struct timespec uts, *puts;
4835 siginfo_t uinfo;
3b46e624 4836
579a97f7
FB		 4837 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4838 goto efault;
53a5960a
PB		 4839 target_to_host_sigset(&set, p);
4840 unlock_user(p, arg1, 0);
4841 if (arg3) {
66fb9763 4842 puts = &uts;
53a5960a 4843 target_to_host_timespec(puts, arg3);
66fb9763
FB		 4844 } else {
4845 puts = NULL;
4846 }
4847 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 4848 if (!is_error(ret) && arg2) {
e1e3f30b 4849 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 4850 goto efault;
53a5960a 4851 host_to_target_siginfo(p, &uinfo);
e1e3f30b 4852 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 4853 }
4854 }
4855 break;
4856 case TARGET_NR_rt_sigqueueinfo:
4857 {
4858 siginfo_t uinfo;
579a97f7
FB		 4859 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
4860 goto efault;
53a5960a
PB		 4861 target_to_host_siginfo(&uinfo, p);
4862 unlock_user(p, arg1, 0);
66fb9763
FB		 4863 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
4864 }
4865 break;
e5febef5 4866#ifdef TARGET_NR_sigreturn
66fb9763
FB		 4867 case TARGET_NR_sigreturn:
4868 /* NOTE: ret is eax, so not transcoding must be done */
4869 ret = do_sigreturn(cpu_env);
4870 break;
e5febef5 4871#endif
66fb9763
FB		 4872 case TARGET_NR_rt_sigreturn:
4873 /* NOTE: ret is eax, so not transcoding must be done */
4874 ret = do_rt_sigreturn(cpu_env);
4875 break;
31e31b8a 4876 case TARGET_NR_sethostname:
579a97f7
FB		 4877 if (!(p = lock_user_string(arg1)))
4878 goto efault;
53a5960a
PB		 4879 ret = get_errno(sethostname(p, arg2));
4880 unlock_user(p, arg1, 0);
31e31b8a
FB		 4881 break;
4882 case TARGET_NR_setrlimit:
9de5e440
FB		 4883 {
4884 /* XXX: convert resource ? */
4885 int resource = arg1;
53a5960a 4886 struct target_rlimit *target_rlim;
9de5e440 4887 struct rlimit rlim;
579a97f7
FB		 4888 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
4889 goto efault;
9de5e440
FB		 4890 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
4891 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 4892 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 4893 ret = get_errno(setrlimit(resource, &rlim));
4894 }
4895 break;
31e31b8a 4896 case TARGET_NR_getrlimit:
9de5e440
FB		 4897 {
4898 /* XXX: convert resource ? */
4899 int resource = arg1;
53a5960a 4900 struct target_rlimit *target_rlim;
9de5e440 4901 struct rlimit rlim;
3b46e624 4902
9de5e440
FB		 4903 ret = get_errno(getrlimit(resource, &rlim));
4904 if (!is_error(ret)) {
579a97f7
FB		 4905 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
4906 goto efault;
53a5960a
PB		 4907 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
4908 rlim.rlim_max = tswapl(target_rlim->rlim_max);
4909 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 4910 }
4911 }
4912 break;
31e31b8a 4913 case TARGET_NR_getrusage:
b409186b
FB		 4914 {
4915 struct rusage rusage;
b409186b
FB		 4916 ret = get_errno(getrusage(arg1, &rusage));
4917 if (!is_error(ret)) {
53a5960a 4918 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 4919 }
4920 }
4921 break;
31e31b8a
FB		 4922 case TARGET_NR_gettimeofday:
4923 {
31e31b8a
FB		 4924 struct timeval tv;
4925 ret = get_errno(gettimeofday(&tv, NULL));
4926 if (!is_error(ret)) {
788f5ec4
TS		 4927 if (copy_to_user_timeval(arg1, &tv))
4928 goto efault;
31e31b8a
FB		 4929 }
4930 }
4931 break;
4932 case TARGET_NR_settimeofday:
4933 {
31e31b8a 4934 struct timeval tv;
788f5ec4
TS		 4935 if (copy_from_user_timeval(&tv, arg1))
4936 goto efault;
31e31b8a
FB		 4937 ret = get_errno(settimeofday(&tv, NULL));
4938 }
4939 break;
048f6b4d 4940#ifdef TARGET_NR_select
31e31b8a 4941 case TARGET_NR_select:
f2674e31 4942 {
53a5960a 4943 struct target_sel_arg_struct *sel;
992f48a0 4944 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 4945 long nsel;
4946
579a97f7
FB		 4947 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
4948 goto efault;
53a5960a
PB		 4949 nsel = tswapl(sel->n);
4950 inp = tswapl(sel->inp);
4951 outp = tswapl(sel->outp);
4952 exp = tswapl(sel->exp);
4953 tvp = tswapl(sel->tvp);
4954 unlock_user_struct(sel, arg1, 0);
4955 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 4956 }
4957 break;
048f6b4d 4958#endif
31e31b8a 4959 case TARGET_NR_symlink:
53a5960a
PB		 4960 {
4961 void *p2;
4962 p = lock_user_string(arg1);
4963 p2 = lock_user_string(arg2);
579a97f7
FB		 4964 if (!p || !p2)
4965 ret = -TARGET_EFAULT;
4966 else
4967 ret = get_errno(symlink(p, p2));
53a5960a
PB		 4968 unlock_user(p2, arg2, 0);
4969 unlock_user(p, arg1, 0);
4970 }
31e31b8a 4971 break;
f0b6243d
TS		 4972#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
4973 case TARGET_NR_symlinkat:
f0b6243d 4974 {
579a97f7 4975 void *p2;
f0b6243d
TS		 4976 p = lock_user_string(arg1);
4977 p2 = lock_user_string(arg3);
579a97f7 4978 if (!p || !p2)
0da46a6e 4979 ret = -TARGET_EFAULT;
f0b6243d
TS		 4980 else
4981 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 4982 unlock_user(p2, arg3, 0);
4983 unlock_user(p, arg1, 0);
f0b6243d
TS		 4984 }
4985 break;
4986#endif
ebc05488 4987#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 4988 case TARGET_NR_oldlstat:
4989 goto unimplemented;
ebc05488 4990#endif
31e31b8a 4991 case TARGET_NR_readlink:
53a5960a 4992 {
d088d664 4993 void *p2, *temp;
53a5960a 4994 p = lock_user_string(arg1);
579a97f7
FB		 4995 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
4996 if (!p || !p2)
4997 ret = -TARGET_EFAULT;
d088d664
AJ		 4998 else {
4999 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5000 char real[PATH_MAX];
5001 temp = realpath(exec_path,real);
5002 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5003 snprintf((char *)p2, arg3, "%s", real);
5004 }
5005 else
5006 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 5007 }
53a5960a
PB		 5008 unlock_user(p2, arg2, ret);
5009 unlock_user(p, arg1, 0);
5010 }
31e31b8a 5011 break;
5e0ccb18
TS		 5012#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5013 case TARGET_NR_readlinkat:
5e0ccb18 5014 {
579a97f7 5015 void *p2;
5e0ccb18 5016 p = lock_user_string(arg2);
579a97f7
FB		 5017 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5018 if (!p || !p2)
0da46a6e 5019 ret = -TARGET_EFAULT;
5e0ccb18
TS		 5020 else
5021 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 5022 unlock_user(p2, arg3, ret);
5023 unlock_user(p, arg2, 0);
5e0ccb18
TS		 5024 }
5025 break;
5026#endif
e5febef5 5027#ifdef TARGET_NR_uselib
31e31b8a
FB		 5028 case TARGET_NR_uselib:
5029 goto unimplemented;
e5febef5
TS		 5030#endif
5031#ifdef TARGET_NR_swapon
31e31b8a 5032 case TARGET_NR_swapon:
579a97f7
FB		 5033 if (!(p = lock_user_string(arg1)))
5034 goto efault;
53a5960a
PB		 5035 ret = get_errno(swapon(p, arg2));
5036 unlock_user(p, arg1, 0);
31e31b8a 5037 break;
e5febef5 5038#endif
31e31b8a
FB		 5039 case TARGET_NR_reboot:
5040 goto unimplemented;
e5febef5 5041#ifdef TARGET_NR_readdir
31e31b8a
FB		 5042 case TARGET_NR_readdir:
5043 goto unimplemented;
e5febef5
TS		 5044#endif
5045#ifdef TARGET_NR_mmap
31e31b8a 5046 case TARGET_NR_mmap:
b779e29e 5047#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
31e31b8a 5048 {
992f48a0
BS		 5049 abi_ulong *v;
5050 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 5051 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5052 goto efault;
53a5960a
PB		 5053 v1 = tswapl(v[0]);
5054 v2 = tswapl(v[1]);
5055 v3 = tswapl(v[2]);
5056 v4 = tswapl(v[3]);
5057 v5 = tswapl(v[4]);
5058 v6 = tswapl(v[5]);
5059 unlock_user(v, arg1, 0);
5fafdf24 5060 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 5061 target_to_host_bitmask(v4, mmap_flags_tbl),
5062 v5, v6));
31e31b8a 5063 }
31e31b8a 5064#else
5fafdf24
TS		 5065 ret = get_errno(target_mmap(arg1, arg2, arg3,
5066 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 5067 arg5,
5068 arg6));
31e31b8a 5069#endif
6fb883e8 5070 break;
e5febef5 5071#endif
a315a145 5072#ifdef TARGET_NR_mmap2
6fb883e8 5073 case TARGET_NR_mmap2:
bb7ec043 5074#ifndef MMAP_SHIFT
c573ff67 5075#define MMAP_SHIFT 12
c573ff67 5076#endif
5fafdf24
TS		 5077 ret = get_errno(target_mmap(arg1, arg2, arg3,
5078 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 5079 arg5,
c573ff67 5080 arg6 << MMAP_SHIFT));
31e31b8a 5081 break;
a315a145 5082#endif
31e31b8a 5083 case TARGET_NR_munmap:
54936004 5084 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 5085 break;
9de5e440 5086 case TARGET_NR_mprotect:
54936004 5087 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 5088 break;
e5febef5 5089#ifdef TARGET_NR_mremap
9de5e440 5090 case TARGET_NR_mremap:
54936004 5091 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 5092 break;
e5febef5 5093#endif
53a5960a 5094 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 5095#ifdef TARGET_NR_msync
9de5e440 5096 case TARGET_NR_msync:
53a5960a 5097 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 5098 break;
e5febef5
TS		 5099#endif
5100#ifdef TARGET_NR_mlock
9de5e440 5101 case TARGET_NR_mlock:
53a5960a 5102 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 5103 break;
e5febef5
TS		 5104#endif
5105#ifdef TARGET_NR_munlock
9de5e440 5106 case TARGET_NR_munlock:
53a5960a 5107 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 5108 break;
e5febef5
TS		 5109#endif
5110#ifdef TARGET_NR_mlockall
9de5e440
FB		 5111 case TARGET_NR_mlockall:
5112 ret = get_errno(mlockall(arg1));
5113 break;
e5febef5
TS		 5114#endif
5115#ifdef TARGET_NR_munlockall
9de5e440
FB		 5116 case TARGET_NR_munlockall:
5117 ret = get_errno(munlockall());
5118 break;
e5febef5 5119#endif
31e31b8a 5120 case TARGET_NR_truncate:
579a97f7
FB		 5121 if (!(p = lock_user_string(arg1)))
5122 goto efault;
53a5960a
PB		 5123 ret = get_errno(truncate(p, arg2));
5124 unlock_user(p, arg1, 0);
31e31b8a
FB		 5125 break;
5126 case TARGET_NR_ftruncate:
5127 ret = get_errno(ftruncate(arg1, arg2));
5128 break;
5129 case TARGET_NR_fchmod:
5130 ret = get_errno(fchmod(arg1, arg2));
5131 break;
814d7977
TS		 5132#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5133 case TARGET_NR_fchmodat:
579a97f7
FB		 5134 if (!(p = lock_user_string(arg2)))
5135 goto efault;
465c9f06 5136 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 5137 unlock_user(p, arg2, 0);
814d7977
TS		 5138 break;
5139#endif
31e31b8a 5140 case TARGET_NR_getpriority:
c6cda17a
TS		 5141 /* libc does special remapping of the return value of
5142 * sys_getpriority() so it's just easiest to call
5143 * sys_getpriority() directly rather than through libc. */
5144 ret = sys_getpriority(arg1, arg2);
31e31b8a
FB		 5145 break;
5146 case TARGET_NR_setpriority:
5147 ret = get_errno(setpriority(arg1, arg2, arg3));
5148 break;
ebc05488 5149#ifdef TARGET_NR_profil
31e31b8a
FB		 5150 case TARGET_NR_profil:
5151 goto unimplemented;
ebc05488 5152#endif
31e31b8a 5153 case TARGET_NR_statfs:
579a97f7
FB		 5154 if (!(p = lock_user_string(arg1)))
5155 goto efault;
53a5960a
PB		 5156 ret = get_errno(statfs(path(p), &stfs));
5157 unlock_user(p, arg1, 0);
31e31b8a
FB		 5158 convert_statfs:
5159 if (!is_error(ret)) {
53a5960a 5160 struct target_statfs *target_stfs;
3b46e624 5161
579a97f7
FB		 5162 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5163 goto efault;
5164 __put_user(stfs.f_type, &target_stfs->f_type);
5165 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5166 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5167 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5168 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5169 __put_user(stfs.f_files, &target_stfs->f_files);
5170 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5171 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5172 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5173 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 5174 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 5175 }
5176 break;
5177 case TARGET_NR_fstatfs:
56c8f68f 5178 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 5179 goto convert_statfs;
56c8f68f
FB		 5180#ifdef TARGET_NR_statfs64
5181 case TARGET_NR_statfs64:
579a97f7
FB		 5182 if (!(p = lock_user_string(arg1)))
5183 goto efault;
53a5960a
PB		 5184 ret = get_errno(statfs(path(p), &stfs));
5185 unlock_user(p, arg1, 0);
56c8f68f
FB		 5186 convert_statfs64:
5187 if (!is_error(ret)) {
53a5960a 5188 struct target_statfs64 *target_stfs;
3b46e624 5189
579a97f7
FB		 5190 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5191 goto efault;
5192 __put_user(stfs.f_type, &target_stfs->f_type);
5193 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5194 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5195 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5196 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5197 __put_user(stfs.f_files, &target_stfs->f_files);
5198 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5199 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5200 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5201 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5202 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 5203 }
5204 break;
5205 case TARGET_NR_fstatfs64:
5206 ret = get_errno(fstatfs(arg1, &stfs));
5207 goto convert_statfs64;
5208#endif
ebc05488 5209#ifdef TARGET_NR_ioperm
31e31b8a
FB		 5210 case TARGET_NR_ioperm:
5211 goto unimplemented;
ebc05488 5212#endif
e5febef5 5213#ifdef TARGET_NR_socketcall
31e31b8a 5214 case TARGET_NR_socketcall:
53a5960a 5215 ret = do_socketcall(arg1, arg2);
31e31b8a 5216 break;
e5febef5 5217#endif
3532fa74
FB		 5218#ifdef TARGET_NR_accept
5219 case TARGET_NR_accept:
1be9e1dc 5220 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 5221 break;
5222#endif
5223#ifdef TARGET_NR_bind
5224 case TARGET_NR_bind:
5225 ret = do_bind(arg1, arg2, arg3);
5226 break;
5227#endif
5228#ifdef TARGET_NR_connect
5229 case TARGET_NR_connect:
5230 ret = do_connect(arg1, arg2, arg3);
5231 break;
5232#endif
5233#ifdef TARGET_NR_getpeername
5234 case TARGET_NR_getpeername:
1be9e1dc 5235 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 5236 break;
5237#endif
5238#ifdef TARGET_NR_getsockname
5239 case TARGET_NR_getsockname:
1be9e1dc 5240 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 5241 break;
5242#endif
5243#ifdef TARGET_NR_getsockopt
5244 case TARGET_NR_getsockopt:
5245 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5246 break;
5247#endif
5248#ifdef TARGET_NR_listen
5249 case TARGET_NR_listen:
1be9e1dc 5250 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 5251 break;
5252#endif
5253#ifdef TARGET_NR_recv
5254 case TARGET_NR_recv:
214201bd 5255 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5256 break;
5257#endif
5258#ifdef TARGET_NR_recvfrom
5259 case TARGET_NR_recvfrom:
214201bd 5260 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5261 break;
5262#endif
5263#ifdef TARGET_NR_recvmsg
5264 case TARGET_NR_recvmsg:
5265 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5266 break;
5267#endif
5268#ifdef TARGET_NR_send
5269 case TARGET_NR_send:
1be9e1dc 5270 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5271 break;
5272#endif
5273#ifdef TARGET_NR_sendmsg
5274 case TARGET_NR_sendmsg:
5275 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5276 break;
5277#endif
5278#ifdef TARGET_NR_sendto
5279 case TARGET_NR_sendto:
1be9e1dc 5280 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5281 break;
5282#endif
5283#ifdef TARGET_NR_shutdown
5284 case TARGET_NR_shutdown:
1be9e1dc 5285 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 5286 break;
5287#endif
5288#ifdef TARGET_NR_socket
5289 case TARGET_NR_socket:
5290 ret = do_socket(arg1, arg2, arg3);
5291 break;
5292#endif
5293#ifdef TARGET_NR_socketpair
5294 case TARGET_NR_socketpair:
1be9e1dc 5295 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 5296 break;
5297#endif
5298#ifdef TARGET_NR_setsockopt
5299 case TARGET_NR_setsockopt:
5300 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5301 break;
5302#endif
7494b0f9 5303
31e31b8a 5304 case TARGET_NR_syslog:
579a97f7
FB		 5305 if (!(p = lock_user_string(arg2)))
5306 goto efault;
e5574487
TS		 5307 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5308 unlock_user(p, arg2, 0);
7494b0f9
TS		 5309 break;
5310
31e31b8a 5311 case TARGET_NR_setitimer:
66fb9763 5312 {
66fb9763
FB		 5313 struct itimerval value, ovalue, *pvalue;
5314
53a5960a 5315 if (arg2) {
66fb9763 5316 pvalue = &value;
788f5ec4
TS		 5317 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5318 || copy_from_user_timeval(&pvalue->it_value,
5319 arg2 + sizeof(struct target_timeval)))
5320 goto efault;
66fb9763
FB		 5321 } else {
5322 pvalue = NULL;
5323 }
5324 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 5325 if (!is_error(ret) && arg3) {
788f5ec4
TS		 5326 if (copy_to_user_timeval(arg3,
5327 &ovalue.it_interval)
5328 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5329 &ovalue.it_value))
5330 goto efault;
66fb9763
FB		 5331 }
5332 }
5333 break;
31e31b8a 5334 case TARGET_NR_getitimer:
66fb9763 5335 {
66fb9763 5336 struct itimerval value;
3b46e624 5337
66fb9763 5338 ret = get_errno(getitimer(arg1, &value));
53a5960a 5339 if (!is_error(ret) && arg2) {
788f5ec4
TS		 5340 if (copy_to_user_timeval(arg2,
5341 &value.it_interval)
5342 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5343 &value.it_value))
5344 goto efault;
66fb9763
FB		 5345 }
5346 }
5347 break;
31e31b8a 5348 case TARGET_NR_stat:
579a97f7
FB		 5349 if (!(p = lock_user_string(arg1)))
5350 goto efault;
53a5960a
PB		 5351 ret = get_errno(stat(path(p), &st));
5352 unlock_user(p, arg1, 0);
31e31b8a
FB		 5353 goto do_stat;
5354 case TARGET_NR_lstat:
579a97f7
FB		 5355 if (!(p = lock_user_string(arg1)))
5356 goto efault;
53a5960a
PB		 5357 ret = get_errno(lstat(path(p), &st));
5358 unlock_user(p, arg1, 0);
31e31b8a
FB		 5359 goto do_stat;
5360 case TARGET_NR_fstat:
5361 {
5362 ret = get_errno(fstat(arg1, &st));
5363 do_stat:
5364 if (!is_error(ret)) {
53a5960a 5365 struct target_stat *target_st;
e3584658 5366
579a97f7
FB		 5367 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5368 goto efault;
d2fd1af7
FB		 5369 __put_user(st.st_dev, &target_st->st_dev);
5370 __put_user(st.st_ino, &target_st->st_ino);
5371 __put_user(st.st_mode, &target_st->st_mode);
5372 __put_user(st.st_uid, &target_st->st_uid);
5373 __put_user(st.st_gid, &target_st->st_gid);
5374 __put_user(st.st_nlink, &target_st->st_nlink);
5375 __put_user(st.st_rdev, &target_st->st_rdev);
5376 __put_user(st.st_size, &target_st->st_size);
5377 __put_user(st.st_blksize, &target_st->st_blksize);
5378 __put_user(st.st_blocks, &target_st->st_blocks);
5379 __put_user(st.st_atime, &target_st->target_st_atime);
5380 __put_user(st.st_mtime, &target_st->target_st_mtime);
5381 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 5382 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 5383 }
5384 }
5385 break;
ebc05488 5386#ifdef TARGET_NR_olduname
31e31b8a
FB		 5387 case TARGET_NR_olduname:
5388 goto unimplemented;
ebc05488
FB		 5389#endif
5390#ifdef TARGET_NR_iopl
31e31b8a
FB		 5391 case TARGET_NR_iopl:
5392 goto unimplemented;
ebc05488 5393#endif
31e31b8a
FB		 5394 case TARGET_NR_vhangup:
5395 ret = get_errno(vhangup());
5396 break;
ebc05488 5397#ifdef TARGET_NR_idle
31e31b8a
FB		 5398 case TARGET_NR_idle:
5399 goto unimplemented;
42ad6ae9
FB		 5400#endif
5401#ifdef TARGET_NR_syscall
5402 case TARGET_NR_syscall:
5403 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5404 break;
ebc05488 5405#endif
31e31b8a
FB		 5406 case TARGET_NR_wait4:
5407 {
5408 int status;
992f48a0 5409 abi_long status_ptr = arg2;
31e31b8a 5410 struct rusage rusage, *rusage_ptr;
992f48a0 5411 abi_ulong target_rusage = arg4;
31e31b8a
FB		 5412 if (target_rusage)
5413 rusage_ptr = &rusage;
5414 else
5415 rusage_ptr = NULL;
5416 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5417 if (!is_error(ret)) {
2f619698 5418 if (status_ptr) {
1d9d8b55 5419 status = host_to_target_waitstatus(status);
2f619698
FB		 5420 if (put_user_s32(status, status_ptr))
5421 goto efault;
31e31b8a 5422 }
2f619698
FB		 5423 if (target_rusage)
5424 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 5425 }
5426 }
5427 break;
e5febef5 5428#ifdef TARGET_NR_swapoff
31e31b8a 5429 case TARGET_NR_swapoff:
579a97f7
FB		 5430 if (!(p = lock_user_string(arg1)))
5431 goto efault;
53a5960a
PB		 5432 ret = get_errno(swapoff(p));
5433 unlock_user(p, arg1, 0);
31e31b8a 5434 break;
e5febef5 5435#endif
31e31b8a 5436 case TARGET_NR_sysinfo:
a5448a7d 5437 {
53a5960a 5438 struct target_sysinfo *target_value;
a5448a7d
FB		 5439 struct sysinfo value;
5440 ret = get_errno(sysinfo(&value));
53a5960a 5441 if (!is_error(ret) && arg1)
a5448a7d 5442 {
579a97f7
FB		 5443 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5444 goto efault;
a5448a7d
FB		 5445 __put_user(value.uptime, &target_value->uptime);
5446 __put_user(value.loads[0], &target_value->loads[0]);
5447 __put_user(value.loads[1], &target_value->loads[1]);
5448 __put_user(value.loads[2], &target_value->loads[2]);
5449 __put_user(value.totalram, &target_value->totalram);
5450 __put_user(value.freeram, &target_value->freeram);
5451 __put_user(value.sharedram, &target_value->sharedram);
5452 __put_user(value.bufferram, &target_value->bufferram);
5453 __put_user(value.totalswap, &target_value->totalswap);
5454 __put_user(value.freeswap, &target_value->freeswap);
5455 __put_user(value.procs, &target_value->procs);
5456 __put_user(value.totalhigh, &target_value->totalhigh);
5457 __put_user(value.freehigh, &target_value->freehigh);
5458 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 5459 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 5460 }
5461 }
5462 break;
e5febef5 5463#ifdef TARGET_NR_ipc
31e31b8a 5464 case TARGET_NR_ipc:
8853f86e
FB		 5465 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5466 break;
e5febef5 5467#endif
e5289087
AJ		 5468#ifdef TARGET_NR_semget
5469 case TARGET_NR_semget:
5470 ret = get_errno(semget(arg1, arg2, arg3));
5471 break;
5472#endif
5473#ifdef TARGET_NR_semop
5474 case TARGET_NR_semop:
5475 ret = get_errno(do_semop(arg1, arg2, arg3));
5476 break;
5477#endif
5478#ifdef TARGET_NR_semctl
5479 case TARGET_NR_semctl:
5480 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5481 break;
5482#endif
eeb438c1
AJ		 5483#ifdef TARGET_NR_msgctl
5484 case TARGET_NR_msgctl:
5485 ret = do_msgctl(arg1, arg2, arg3);
5486 break;
5487#endif
5488#ifdef TARGET_NR_msgget
5489 case TARGET_NR_msgget:
5490 ret = get_errno(msgget(arg1, arg2));
5491 break;
5492#endif
5493#ifdef TARGET_NR_msgrcv
5494 case TARGET_NR_msgrcv:
5495 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5496 break;
5497#endif
5498#ifdef TARGET_NR_msgsnd
5499 case TARGET_NR_msgsnd:
5500 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5501 break;
88a8c984
RV		 5502#endif
5503#ifdef TARGET_NR_shmget
5504 case TARGET_NR_shmget:
5505 ret = get_errno(shmget(arg1, arg2, arg3));
5506 break;
5507#endif
5508#ifdef TARGET_NR_shmctl
5509 case TARGET_NR_shmctl:
5510 ret = do_shmctl(arg1, arg2, arg3);
5511 break;
5512#endif
5513#ifdef TARGET_NR_shmat
5514 case TARGET_NR_shmat:
5515 ret = do_shmat(arg1, arg2, arg3);
5516 break;
5517#endif
5518#ifdef TARGET_NR_shmdt
5519 case TARGET_NR_shmdt:
5520 ret = do_shmdt(arg1);
5521 break;
eeb438c1 5522#endif
31e31b8a
FB		 5523 case TARGET_NR_fsync:
5524 ret = get_errno(fsync(arg1));
5525 break;
31e31b8a 5526 case TARGET_NR_clone:
0b6d3ae0
AJ		 5527#if defined(TARGET_SH4)
5528 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 5529#elif defined(TARGET_CRIS)
5530 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
0b6d3ae0 5531#else
d865bab5 5532 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 5533#endif
1b6b029e 5534 break;
ec86b0fb
FB		 5535#ifdef __NR_exit_group
5536 /* new thread calls */
5537 case TARGET_NR_exit_group:
6d946cda
AJ		 5538#ifdef HAVE_GPROF
5539 _mcleanup();
5540#endif
e9009676 5541 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 5542 ret = get_errno(exit_group(arg1));
5543 break;
5544#endif
31e31b8a 5545 case TARGET_NR_setdomainname:
579a97f7
FB		 5546 if (!(p = lock_user_string(arg1)))
5547 goto efault;
53a5960a
PB		 5548 ret = get_errno(setdomainname(p, arg2));
5549 unlock_user(p, arg1, 0);
31e31b8a
FB		 5550 break;
5551 case TARGET_NR_uname:
5552 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 5553 {
5554 struct new_utsname * buf;
3b46e624 5555
579a97f7
FB		 5556 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5557 goto efault;
29e619b1
FB		 5558 ret = get_errno(sys_uname(buf));
5559 if (!is_error(ret)) {
5560 /* Overrite the native machine name with whatever is being
5561 emulated. */
5562 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 5563 /* Allow the user to override the reported release. */
5564 if (qemu_uname_release && *qemu_uname_release)
5565 strcpy (buf->release, qemu_uname_release);
29e619b1 5566 }
53a5960a 5567 unlock_user_struct(buf, arg1, 1);
29e619b1 5568 }
31e31b8a 5569 break;
6dbad63e 5570#ifdef TARGET_I386
31e31b8a 5571 case TARGET_NR_modify_ldt:
03acab66 5572 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 5573 break;
84409ddb 5574#if !defined(TARGET_X86_64)
5cd4393b
FB		 5575 case TARGET_NR_vm86old:
5576 goto unimplemented;
5577 case TARGET_NR_vm86:
53a5960a 5578 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 5579 break;
84409ddb 5580#endif
6dbad63e 5581#endif
31e31b8a
FB		 5582 case TARGET_NR_adjtimex:
5583 goto unimplemented;
e5febef5 5584#ifdef TARGET_NR_create_module
31e31b8a 5585 case TARGET_NR_create_module:
e5febef5 5586#endif
31e31b8a
FB		 5587 case TARGET_NR_init_module:
5588 case TARGET_NR_delete_module:
e5febef5 5589#ifdef TARGET_NR_get_kernel_syms
31e31b8a 5590 case TARGET_NR_get_kernel_syms:
e5febef5 5591#endif
31e31b8a
FB		 5592 goto unimplemented;
5593 case TARGET_NR_quotactl:
5594 goto unimplemented;
5595 case TARGET_NR_getpgid:
5596 ret = get_errno(getpgid(arg1));
5597 break;
5598 case TARGET_NR_fchdir:
5599 ret = get_errno(fchdir(arg1));
5600 break;
84409ddb 5601#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 5602 case TARGET_NR_bdflush:
5603 goto unimplemented;
84409ddb 5604#endif
e5febef5 5605#ifdef TARGET_NR_sysfs
31e31b8a
FB		 5606 case TARGET_NR_sysfs:
5607 goto unimplemented;
e5febef5 5608#endif
31e31b8a 5609 case TARGET_NR_personality:
1b6b029e 5610 ret = get_errno(personality(arg1));
31e31b8a 5611 break;
e5febef5 5612#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 5613 case TARGET_NR_afs_syscall:
5614 goto unimplemented;
e5febef5 5615#endif
7a3148a9 5616#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 5617 case TARGET_NR__llseek:
5618 {
4f2ac237
FB		 5619#if defined (__x86_64__)
5620 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2f619698
FB		 5621 if (put_user_s64(ret, arg4))
5622 goto efault;
4f2ac237 5623#else
31e31b8a
FB		 5624 int64_t res;
5625 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2f619698
FB		 5626 if (put_user_s64(res, arg4))
5627 goto efault;
4f2ac237 5628#endif
31e31b8a
FB		 5629 }
5630 break;
7a3148a9 5631#endif
31e31b8a 5632 case TARGET_NR_getdents:
992f48a0 5633#if TARGET_ABI_BITS != 32
53a5960a 5634 goto unimplemented;
992f48a0 5635#elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 5636 {
53a5960a 5637 struct target_dirent *target_dirp;
6556a833 5638 struct linux_dirent *dirp;
992f48a0 5639 abi_long count = arg3;
4add45b4
FB		 5640
5641 dirp = malloc(count);
0da46a6e 5642 if (!dirp) {
579a97f7 5643 ret = -TARGET_ENOMEM;
0da46a6e
TS		 5644 goto fail;
5645 }
3b46e624 5646
4add45b4
FB		 5647 ret = get_errno(sys_getdents(arg1, dirp, count));
5648 if (!is_error(ret)) {
6556a833 5649 struct linux_dirent *de;
4add45b4
FB		 5650 struct target_dirent *tde;
5651 int len = ret;
5652 int reclen, treclen;
5653 int count1, tnamelen;
5654
5655 count1 = 0;
5656 de = dirp;
579a97f7
FB		 5657 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5658 goto efault;
4add45b4
FB		 5659 tde = target_dirp;
5660 while (len > 0) {
5661 reclen = de->d_reclen;
992f48a0 5662 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4
FB		 5663 tde->d_reclen = tswap16(treclen);
5664 tde->d_ino = tswapl(de->d_ino);
5665 tde->d_off = tswapl(de->d_off);
992f48a0 5666 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 5667 if (tnamelen > 256)
5668 tnamelen = 256;
80a9d035 5669 /* XXX: may not be correct */
be15b141 5670 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 5671 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 5672 len -= reclen;
1c5bf3bf 5673 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 5674 count1 += treclen;
5675 }
5676 ret = count1;
579a97f7 5677 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 5678 }
5679 free(dirp);
5680 }
5681#else
31e31b8a 5682 {
6556a833 5683 struct linux_dirent *dirp;
992f48a0 5684 abi_long count = arg3;
dab2ed99 5685
579a97f7
FB		 5686 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5687 goto efault;
72f03900 5688 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 5689 if (!is_error(ret)) {
6556a833 5690 struct linux_dirent *de;
31e31b8a
FB		 5691 int len = ret;
5692 int reclen;
5693 de = dirp;
5694 while (len > 0) {
8083a3e5 5695 reclen = de->d_reclen;
31e31b8a
FB		 5696 if (reclen > len)
5697 break;
8083a3e5 5698 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 5699 tswapls(&de->d_ino);
5700 tswapls(&de->d_off);
6556a833 5701 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 5702 len -= reclen;
5703 }
5704 }
53a5960a 5705 unlock_user(dirp, arg2, ret);
31e31b8a 5706 }
4add45b4 5707#endif
31e31b8a 5708 break;
3ae43202 5709#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 5710 case TARGET_NR_getdents64:
5711 {
6556a833 5712 struct linux_dirent64 *dirp;
992f48a0 5713 abi_long count = arg3;
579a97f7
FB		 5714 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5715 goto efault;
dab2ed99
FB		 5716 ret = get_errno(sys_getdents64(arg1, dirp, count));
5717 if (!is_error(ret)) {
6556a833 5718 struct linux_dirent64 *de;
dab2ed99
FB		 5719 int len = ret;
5720 int reclen;
5721 de = dirp;
5722 while (len > 0) {
8083a3e5 5723 reclen = de->d_reclen;
dab2ed99
FB		 5724 if (reclen > len)
5725 break;
8083a3e5 5726 de->d_reclen = tswap16(reclen);
8582a53a
FB		 5727 tswap64s((uint64_t *)&de->d_ino);
5728 tswap64s((uint64_t *)&de->d_off);
6556a833 5729 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 5730 len -= reclen;
5731 }
5732 }
53a5960a 5733 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 5734 }
5735 break;
a541f297 5736#endif /* TARGET_NR_getdents64 */
e5febef5 5737#ifdef TARGET_NR__newselect
31e31b8a 5738 case TARGET_NR__newselect:
53a5960a 5739 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 5740 break;
e5febef5
TS		 5741#endif
5742#ifdef TARGET_NR_poll
9de5e440
FB		 5743 case TARGET_NR_poll:
5744 {
53a5960a 5745 struct target_pollfd *target_pfd;
9de5e440
FB		 5746 unsigned int nfds = arg2;
5747 int timeout = arg3;
5748 struct pollfd *pfd;
7854b056 5749 unsigned int i;
9de5e440 5750
579a97f7
FB		 5751 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5752 if (!target_pfd)
5753 goto efault;
9de5e440
FB		 5754 pfd = alloca(sizeof(struct pollfd) * nfds);
5755 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 5756 pfd[i].fd = tswap32(target_pfd[i].fd);
5757 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 5758 }
5759 ret = get_errno(poll(pfd, nfds, timeout));
5760 if (!is_error(ret)) {
5761 for(i = 0; i < nfds; i++) {
5cd4393b 5762 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 5763 }
53a5960a
PB		 5764 ret += nfds * (sizeof(struct target_pollfd)
5765 - sizeof(struct pollfd));
9de5e440 5766 }
53a5960a 5767 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 5768 }
5769 break;
e5febef5 5770#endif
31e31b8a 5771 case TARGET_NR_flock:
9de5e440
FB		 5772 /* NOTE: the flock constant seems to be the same for every
5773 Linux platform */
5774 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 5775 break;
5776 case TARGET_NR_readv:
5777 {
5778 int count = arg3;
31e31b8a 5779 struct iovec *vec;
31e31b8a
FB		 5780
5781 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 5782 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
5783 goto efault;
31e31b8a 5784 ret = get_errno(readv(arg1, vec, count));
53a5960a 5785 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 5786 }
5787 break;
5788 case TARGET_NR_writev:
5789 {
5790 int count = arg3;
31e31b8a 5791 struct iovec *vec;
31e31b8a
FB		 5792
5793 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 5794 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
5795 goto efault;
31e31b8a 5796 ret = get_errno(writev(arg1, vec, count));
53a5960a 5797 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 5798 }
5799 break;
5800 case TARGET_NR_getsid:
5801 ret = get_errno(getsid(arg1));
5802 break;
7a3148a9 5803#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 5804 case TARGET_NR_fdatasync:
5cd4393b
FB		 5805 ret = get_errno(fdatasync(arg1));
5806 break;
7a3148a9 5807#endif
31e31b8a 5808 case TARGET_NR__sysctl:
0da46a6e 5809 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 5810 return value. */
0da46a6e
TS		 5811 ret = -TARGET_ENOTDIR;
5812 break;
31e31b8a 5813 case TARGET_NR_sched_setparam:
5cd4393b 5814 {
53a5960a 5815 struct sched_param *target_schp;
5cd4393b 5816 struct sched_param schp;
53a5960a 5817
579a97f7
FB		 5818 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
5819 goto efault;
5cd4393b 5820 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 5821 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 5822 ret = get_errno(sched_setparam(arg1, &schp));
5823 }
5824 break;
31e31b8a 5825 case TARGET_NR_sched_getparam:
5cd4393b 5826 {
53a5960a 5827 struct sched_param *target_schp;
5cd4393b
FB		 5828 struct sched_param schp;
5829 ret = get_errno(sched_getparam(arg1, &schp));
5830 if (!is_error(ret)) {
579a97f7
FB		 5831 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
5832 goto efault;
5cd4393b 5833 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 5834 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 5835 }
5836 }
5837 break;
31e31b8a 5838 case TARGET_NR_sched_setscheduler:
5cd4393b 5839 {
53a5960a 5840 struct sched_param *target_schp;
5cd4393b 5841 struct sched_param schp;
579a97f7
FB		 5842 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
5843 goto efault;
5cd4393b 5844 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 5845 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 5846 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
5847 }
5848 break;
31e31b8a 5849 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 5850 ret = get_errno(sched_getscheduler(arg1));
5851 break;
31e31b8a
FB		 5852 case TARGET_NR_sched_yield:
5853 ret = get_errno(sched_yield());
5854 break;
5855 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 5856 ret = get_errno(sched_get_priority_max(arg1));
5857 break;
31e31b8a 5858 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 5859 ret = get_errno(sched_get_priority_min(arg1));
5860 break;
31e31b8a 5861 case TARGET_NR_sched_rr_get_interval:
5cd4393b 5862 {
5cd4393b
FB		 5863 struct timespec ts;
5864 ret = get_errno(sched_rr_get_interval(arg1, &ts));
5865 if (!is_error(ret)) {
53a5960a 5866 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 5867 }
5868 }
5869 break;
31e31b8a 5870 case TARGET_NR_nanosleep:
1b6b029e 5871 {
1b6b029e 5872 struct timespec req, rem;
53a5960a 5873 target_to_host_timespec(&req, arg1);
1b6b029e 5874 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 5875 if (is_error(ret) && arg2) {
5876 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 5877 }
5878 }
5879 break;
e5febef5 5880#ifdef TARGET_NR_query_module
31e31b8a 5881 case TARGET_NR_query_module:
5cd4393b 5882 goto unimplemented;
e5febef5
TS		 5883#endif
5884#ifdef TARGET_NR_nfsservctl
31e31b8a 5885 case TARGET_NR_nfsservctl:
5cd4393b 5886 goto unimplemented;
e5febef5 5887#endif
31e31b8a 5888 case TARGET_NR_prctl:
e5574487
TS		 5889 switch (arg1)
5890 {
5891 case PR_GET_PDEATHSIG:
5892 {
5893 int deathsig;
5894 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 5895 if (!is_error(ret) && arg2
5896 && put_user_ual(deathsig, arg2))
5897 goto efault;
e5574487
TS		 5898 }
5899 break;
5900 default:
5901 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
5902 break;
5903 }
39b9aae1 5904 break;
d2fd1af7
FB		 5905#ifdef TARGET_NR_arch_prctl
5906 case TARGET_NR_arch_prctl:
5907#if defined(TARGET_I386) && !defined(TARGET_ABI32)
5908 ret = do_arch_prctl(cpu_env, arg1, arg2);
5909 break;
5910#else
5911 goto unimplemented;
5912#endif
5913#endif
67867308 5914#ifdef TARGET_NR_pread
31e31b8a 5915 case TARGET_NR_pread:
a4ae00bc
AZ		 5916#ifdef TARGET_ARM
5917 if (((CPUARMState *)cpu_env)->eabi)
5918 arg4 = arg5;
5919#endif
579a97f7
FB		 5920 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5921 goto efault;
53a5960a
PB		 5922 ret = get_errno(pread(arg1, p, arg3, arg4));
5923 unlock_user(p, arg2, ret);
206f0fa7 5924 break;
31e31b8a 5925 case TARGET_NR_pwrite:
a4ae00bc
AZ		 5926#ifdef TARGET_ARM
5927 if (((CPUARMState *)cpu_env)->eabi)
5928 arg4 = arg5;
5929#endif
579a97f7
FB		 5930 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5931 goto efault;
53a5960a
PB		 5932 ret = get_errno(pwrite(arg1, p, arg3, arg4));
5933 unlock_user(p, arg2, 0);
206f0fa7 5934 break;
f2c7ba15
AJ		 5935#endif
5936#ifdef TARGET_NR_pread64
5937 case TARGET_NR_pread64:
5938 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
5939 goto efault;
5940 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
5941 unlock_user(p, arg2, ret);
5942 break;
5943 case TARGET_NR_pwrite64:
5944 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
5945 goto efault;
5946 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
5947 unlock_user(p, arg2, 0);
5948 break;
67867308 5949#endif
31e31b8a 5950 case TARGET_NR_getcwd:
579a97f7
FB		 5951 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
5952 goto efault;
53a5960a
PB		 5953 ret = get_errno(sys_getcwd1(p, arg2));
5954 unlock_user(p, arg1, ret);
31e31b8a
FB		 5955 break;
5956 case TARGET_NR_capget:
5cd4393b 5957 goto unimplemented;
31e31b8a 5958 case TARGET_NR_capset:
5cd4393b 5959 goto unimplemented;
31e31b8a 5960 case TARGET_NR_sigaltstack:
198a74de
TS		 5961#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
5962 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
579a97f7 5963 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
a04e134a
TS		 5964 break;
5965#else
5cd4393b 5966 goto unimplemented;
a04e134a 5967#endif
31e31b8a 5968 case TARGET_NR_sendfile:
5cd4393b 5969 goto unimplemented;
ebc05488 5970#ifdef TARGET_NR_getpmsg
31e31b8a 5971 case TARGET_NR_getpmsg:
5cd4393b 5972 goto unimplemented;
ebc05488
FB		 5973#endif
5974#ifdef TARGET_NR_putpmsg
31e31b8a 5975 case TARGET_NR_putpmsg:
5cd4393b 5976 goto unimplemented;
ebc05488 5977#endif
048f6b4d 5978#ifdef TARGET_NR_vfork
31e31b8a 5979 case TARGET_NR_vfork:
d865bab5
PB		 5980 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
5981 0, 0, 0, 0));
31e31b8a 5982 break;
048f6b4d 5983#endif
ebc05488 5984#ifdef TARGET_NR_ugetrlimit
31e31b8a 5985 case TARGET_NR_ugetrlimit:
728584be
FB		 5986 {
5987 struct rlimit rlim;
5988 ret = get_errno(getrlimit(arg1, &rlim));
5989 if (!is_error(ret)) {
53a5960a 5990 struct target_rlimit *target_rlim;
579a97f7
FB		 5991 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5992 goto efault;
728584be
FB		 5993 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
5994 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 5995 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 5996 }
5997 break;
5998 }
ebc05488 5999#endif
a315a145 6000#ifdef TARGET_NR_truncate64
31e31b8a 6001 case TARGET_NR_truncate64:
579a97f7
FB		 6002 if (!(p = lock_user_string(arg1)))
6003 goto efault;
53a5960a
PB		 6004 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6005 unlock_user(p, arg1, 0);
667f38b1 6006 break;
a315a145
FB		 6007#endif
6008#ifdef TARGET_NR_ftruncate64
31e31b8a 6009 case TARGET_NR_ftruncate64:
ce4defa0 6010 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 6011 break;
a315a145
FB		 6012#endif
6013#ifdef TARGET_NR_stat64
31e31b8a 6014 case TARGET_NR_stat64:
579a97f7
FB		 6015 if (!(p = lock_user_string(arg1)))
6016 goto efault;
53a5960a
PB		 6017 ret = get_errno(stat(path(p), &st));
6018 unlock_user(p, arg1, 0);
6a24a778
AZ		 6019 if (!is_error(ret))
6020 ret = host_to_target_stat64(cpu_env, arg2, &st);
6021 break;
a315a145
FB		 6022#endif
6023#ifdef TARGET_NR_lstat64
31e31b8a 6024 case TARGET_NR_lstat64:
579a97f7
FB		 6025 if (!(p = lock_user_string(arg1)))
6026 goto efault;
53a5960a
PB		 6027 ret = get_errno(lstat(path(p), &st));
6028 unlock_user(p, arg1, 0);
6a24a778
AZ		 6029 if (!is_error(ret))
6030 ret = host_to_target_stat64(cpu_env, arg2, &st);
6031 break;
a315a145
FB		 6032#endif
6033#ifdef TARGET_NR_fstat64
31e31b8a 6034 case TARGET_NR_fstat64:
6a24a778
AZ		 6035 ret = get_errno(fstat(arg1, &st));
6036 if (!is_error(ret))
6037 ret = host_to_target_stat64(cpu_env, arg2, &st);
6038 break;
ce4defa0 6039#endif
9d33b76b
AJ		 6040#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6041 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6042#ifdef TARGET_NR_fstatat64
6a24a778 6043 case TARGET_NR_fstatat64:
9d33b76b
AJ		 6044#endif
6045#ifdef TARGET_NR_newfstatat
6046 case TARGET_NR_newfstatat:
6047#endif
6a24a778
AZ		 6048 if (!(p = lock_user_string(arg2)))
6049 goto efault;
9d33b76b 6050#ifdef __NR_fstatat64
6a24a778 6051 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 6052#else
6053 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6054#endif
6a24a778
AZ		 6055 if (!is_error(ret))
6056 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 6057 break;
a315a145 6058#endif
67867308
FB		 6059#ifdef USE_UID16
6060 case TARGET_NR_lchown:
579a97f7
FB		 6061 if (!(p = lock_user_string(arg1)))
6062 goto efault;
53a5960a
PB		 6063 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6064 unlock_user(p, arg1, 0);
67867308
FB		 6065 break;
6066 case TARGET_NR_getuid:
6067 ret = get_errno(high2lowuid(getuid()));
6068 break;
6069 case TARGET_NR_getgid:
6070 ret = get_errno(high2lowgid(getgid()));
6071 break;
6072 case TARGET_NR_geteuid:
6073 ret = get_errno(high2lowuid(geteuid()));
6074 break;
6075 case TARGET_NR_getegid:
6076 ret = get_errno(high2lowgid(getegid()));
6077 break;
6078 case TARGET_NR_setreuid:
6079 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6080 break;
6081 case TARGET_NR_setregid:
6082 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6083 break;
6084 case TARGET_NR_getgroups:
6085 {
6086 int gidsetsize = arg1;
53a5960a 6087 uint16_t *target_grouplist;
67867308
FB		 6088 gid_t *grouplist;
6089 int i;
6090
6091 grouplist = alloca(gidsetsize * sizeof(gid_t));
6092 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6093 if (gidsetsize == 0)
6094 break;
67867308 6095 if (!is_error(ret)) {
579a97f7
FB		 6096 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6097 if (!target_grouplist)
6098 goto efault;
a2155fcc 6099 for(i = 0;i < ret; i++)
67867308 6100 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 6101 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 6102 }
6103 }
6104 break;
6105 case TARGET_NR_setgroups:
6106 {
6107 int gidsetsize = arg1;
53a5960a 6108 uint16_t *target_grouplist;
67867308
FB		 6109 gid_t *grouplist;
6110 int i;
6111
6112 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6113 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6114 if (!target_grouplist) {
6115 ret = -TARGET_EFAULT;
6116 goto fail;
6117 }
67867308
FB		 6118 for(i = 0;i < gidsetsize; i++)
6119 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 6120 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 6121 ret = get_errno(setgroups(gidsetsize, grouplist));
6122 }
6123 break;
6124 case TARGET_NR_fchown:
6125 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6126 break;
ccfa72b7
TS		 6127#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6128 case TARGET_NR_fchownat:
579a97f7
FB		 6129 if (!(p = lock_user_string(arg2)))
6130 goto efault;
6131 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6132 unlock_user(p, arg2, 0);
ccfa72b7
TS		 6133 break;
6134#endif
67867308
FB		 6135#ifdef TARGET_NR_setresuid
6136 case TARGET_NR_setresuid:
5fafdf24
TS		 6137 ret = get_errno(setresuid(low2highuid(arg1),
6138 low2highuid(arg2),
67867308
FB		 6139 low2highuid(arg3)));
6140 break;
6141#endif
6142#ifdef TARGET_NR_getresuid
6143 case TARGET_NR_getresuid:
6144 {
53a5960a 6145 uid_t ruid, euid, suid;
67867308
FB		 6146 ret = get_errno(getresuid(&ruid, &euid, &suid));
6147 if (!is_error(ret)) {
2f619698
FB		 6148 if (put_user_u16(high2lowuid(ruid), arg1)
6149 || put_user_u16(high2lowuid(euid), arg2)
6150 || put_user_u16(high2lowuid(suid), arg3))
6151 goto efault;
67867308
FB		 6152 }
6153 }
6154 break;
6155#endif
6156#ifdef TARGET_NR_getresgid
6157 case TARGET_NR_setresgid:
5fafdf24
TS		 6158 ret = get_errno(setresgid(low2highgid(arg1),
6159 low2highgid(arg2),
67867308
FB		 6160 low2highgid(arg3)));
6161 break;
6162#endif
6163#ifdef TARGET_NR_getresgid
6164 case TARGET_NR_getresgid:
6165 {
53a5960a 6166 gid_t rgid, egid, sgid;
67867308
FB		 6167 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6168 if (!is_error(ret)) {
2f619698
FB		 6169 if (put_user_u16(high2lowgid(rgid), arg1)
6170 || put_user_u16(high2lowgid(egid), arg2)
6171 || put_user_u16(high2lowgid(sgid), arg3))
6172 goto efault;
67867308
FB		 6173 }
6174 }
6175 break;
6176#endif
6177 case TARGET_NR_chown:
579a97f7
FB		 6178 if (!(p = lock_user_string(arg1)))
6179 goto efault;
53a5960a
PB		 6180 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6181 unlock_user(p, arg1, 0);
67867308
FB		 6182 break;
6183 case TARGET_NR_setuid:
6184 ret = get_errno(setuid(low2highuid(arg1)));
6185 break;
6186 case TARGET_NR_setgid:
6187 ret = get_errno(setgid(low2highgid(arg1)));
6188 break;
6189 case TARGET_NR_setfsuid:
6190 ret = get_errno(setfsuid(arg1));
6191 break;
6192 case TARGET_NR_setfsgid:
6193 ret = get_errno(setfsgid(arg1));
6194 break;
6195#endif /* USE_UID16 */
6196
a315a145 6197#ifdef TARGET_NR_lchown32
31e31b8a 6198 case TARGET_NR_lchown32:
579a97f7
FB		 6199 if (!(p = lock_user_string(arg1)))
6200 goto efault;
53a5960a
PB		 6201 ret = get_errno(lchown(p, arg2, arg3));
6202 unlock_user(p, arg1, 0);
b03c60f3 6203 break;
a315a145
FB		 6204#endif
6205#ifdef TARGET_NR_getuid32
31e31b8a 6206 case TARGET_NR_getuid32:
b03c60f3
FB		 6207 ret = get_errno(getuid());
6208 break;
a315a145 6209#endif
64b4d28c
AJ		 6210
6211#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6212 /* Alpha specific */
6213 case TARGET_NR_getxuid:
6214 {
6215 uid_t euid;
6216 euid=geteuid();
6217 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6218 }
6219 ret = get_errno(getuid());
6220 break;
6221#endif
6222#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6223 /* Alpha specific */
6224 case TARGET_NR_getxgid:
6225 {
6226 uid_t egid;
6227 egid=getegid();
6228 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6229 }
6230 ret = get_errno(getgid());
6231 break;
6232#endif
6233
a315a145 6234#ifdef TARGET_NR_getgid32
31e31b8a 6235 case TARGET_NR_getgid32:
b03c60f3
FB		 6236 ret = get_errno(getgid());
6237 break;
a315a145
FB		 6238#endif
6239#ifdef TARGET_NR_geteuid32
31e31b8a 6240 case TARGET_NR_geteuid32:
b03c60f3
FB		 6241 ret = get_errno(geteuid());
6242 break;
a315a145
FB		 6243#endif
6244#ifdef TARGET_NR_getegid32
31e31b8a 6245 case TARGET_NR_getegid32:
b03c60f3
FB		 6246 ret = get_errno(getegid());
6247 break;
a315a145
FB		 6248#endif
6249#ifdef TARGET_NR_setreuid32
31e31b8a 6250 case TARGET_NR_setreuid32:
b03c60f3
FB		 6251 ret = get_errno(setreuid(arg1, arg2));
6252 break;
a315a145
FB		 6253#endif
6254#ifdef TARGET_NR_setregid32
31e31b8a 6255 case TARGET_NR_setregid32:
b03c60f3
FB		 6256 ret = get_errno(setregid(arg1, arg2));
6257 break;
a315a145
FB		 6258#endif
6259#ifdef TARGET_NR_getgroups32
31e31b8a 6260 case TARGET_NR_getgroups32:
99c475ab
FB		 6261 {
6262 int gidsetsize = arg1;
53a5960a 6263 uint32_t *target_grouplist;
99c475ab
FB		 6264 gid_t *grouplist;
6265 int i;
6266
6267 grouplist = alloca(gidsetsize * sizeof(gid_t));
6268 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6269 if (gidsetsize == 0)
6270 break;
99c475ab 6271 if (!is_error(ret)) {
579a97f7
FB		 6272 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6273 if (!target_grouplist) {
6274 ret = -TARGET_EFAULT;
6275 goto fail;
6276 }
a2155fcc 6277 for(i = 0;i < ret; i++)
53a5960a
PB		 6278 target_grouplist[i] = tswap32(grouplist[i]);
6279 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 6280 }
6281 }
6282 break;
a315a145
FB		 6283#endif
6284#ifdef TARGET_NR_setgroups32
31e31b8a 6285 case TARGET_NR_setgroups32:
99c475ab
FB		 6286 {
6287 int gidsetsize = arg1;
53a5960a 6288 uint32_t *target_grouplist;
99c475ab
FB		 6289 gid_t *grouplist;
6290 int i;
3b46e624 6291
99c475ab 6292 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6293 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6294 if (!target_grouplist) {
6295 ret = -TARGET_EFAULT;
6296 goto fail;
6297 }
99c475ab 6298 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 6299 grouplist[i] = tswap32(target_grouplist[i]);
6300 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 6301 ret = get_errno(setgroups(gidsetsize, grouplist));
6302 }
6303 break;
a315a145
FB		 6304#endif
6305#ifdef TARGET_NR_fchown32
31e31b8a 6306 case TARGET_NR_fchown32:
b03c60f3
FB		 6307 ret = get_errno(fchown(arg1, arg2, arg3));
6308 break;
a315a145
FB		 6309#endif
6310#ifdef TARGET_NR_setresuid32
31e31b8a 6311 case TARGET_NR_setresuid32:
b03c60f3
FB		 6312 ret = get_errno(setresuid(arg1, arg2, arg3));
6313 break;
a315a145
FB		 6314#endif
6315#ifdef TARGET_NR_getresuid32
31e31b8a 6316 case TARGET_NR_getresuid32:
b03c60f3 6317 {
53a5960a 6318 uid_t ruid, euid, suid;
b03c60f3
FB		 6319 ret = get_errno(getresuid(&ruid, &euid, &suid));
6320 if (!is_error(ret)) {
2f619698
FB		 6321 if (put_user_u32(ruid, arg1)
6322 || put_user_u32(euid, arg2)
6323 || put_user_u32(suid, arg3))
6324 goto efault;
b03c60f3
FB		 6325 }
6326 }
6327 break;
a315a145
FB		 6328#endif
6329#ifdef TARGET_NR_setresgid32
31e31b8a 6330 case TARGET_NR_setresgid32:
b03c60f3
FB		 6331 ret = get_errno(setresgid(arg1, arg2, arg3));
6332 break;
a315a145
FB		 6333#endif
6334#ifdef TARGET_NR_getresgid32
31e31b8a 6335 case TARGET_NR_getresgid32:
b03c60f3 6336 {
53a5960a 6337 gid_t rgid, egid, sgid;
b03c60f3
FB		 6338 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6339 if (!is_error(ret)) {
2f619698
FB		 6340 if (put_user_u32(rgid, arg1)
6341 || put_user_u32(egid, arg2)
6342 || put_user_u32(sgid, arg3))
6343 goto efault;
b03c60f3
FB		 6344 }
6345 }
6346 break;
a315a145
FB		 6347#endif
6348#ifdef TARGET_NR_chown32
31e31b8a 6349 case TARGET_NR_chown32:
579a97f7
FB		 6350 if (!(p = lock_user_string(arg1)))
6351 goto efault;
53a5960a
PB		 6352 ret = get_errno(chown(p, arg2, arg3));
6353 unlock_user(p, arg1, 0);
b03c60f3 6354 break;
a315a145
FB		 6355#endif
6356#ifdef TARGET_NR_setuid32
31e31b8a 6357 case TARGET_NR_setuid32:
b03c60f3
FB		 6358 ret = get_errno(setuid(arg1));
6359 break;
a315a145
FB		 6360#endif
6361#ifdef TARGET_NR_setgid32
31e31b8a 6362 case TARGET_NR_setgid32:
b03c60f3
FB		 6363 ret = get_errno(setgid(arg1));
6364 break;
a315a145
FB		 6365#endif
6366#ifdef TARGET_NR_setfsuid32
31e31b8a 6367 case TARGET_NR_setfsuid32:
b03c60f3
FB		 6368 ret = get_errno(setfsuid(arg1));
6369 break;
a315a145
FB		 6370#endif
6371#ifdef TARGET_NR_setfsgid32
31e31b8a 6372 case TARGET_NR_setfsgid32:
b03c60f3
FB		 6373 ret = get_errno(setfsgid(arg1));
6374 break;
a315a145 6375#endif
67867308 6376
31e31b8a 6377 case TARGET_NR_pivot_root:
b03c60f3 6378 goto unimplemented;
ffa65c3b 6379#ifdef TARGET_NR_mincore
31e31b8a 6380 case TARGET_NR_mincore:
04bb9ace
AJ		 6381 {
6382 void *a;
6383 ret = -TARGET_EFAULT;
6384 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6385 goto efault;
6386 if (!(p = lock_user_string(arg3)))
6387 goto mincore_fail;
6388 ret = get_errno(mincore(a, arg2, p));
6389 unlock_user(p, arg3, ret);
6390 mincore_fail:
6391 unlock_user(a, arg1, 0);
6392 }
6393 break;
ffa65c3b 6394#endif
408321b6
AJ		 6395#ifdef TARGET_NR_arm_fadvise64_64
6396 case TARGET_NR_arm_fadvise64_64:
6397 {
6398 /*
6399 * arm_fadvise64_64 looks like fadvise64_64 but
6400 * with different argument order
6401 */
6402 abi_long temp;
6403 temp = arg3;
6404 arg3 = arg4;
6405 arg4 = temp;
6406 }
6407#endif
6408#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
6409#ifdef TARGET_NR_fadvise64_64
6410 case TARGET_NR_fadvise64_64:
6411#endif
6412 /* This is a hint, so ignoring and returning success is ok. */
6413 ret = get_errno(0);
6414 break;
6415#endif
ffa65c3b 6416#ifdef TARGET_NR_madvise
31e31b8a 6417 case TARGET_NR_madvise:
24836689
PB		 6418 /* A straight passthrough may not be safe because qemu sometimes
6419 turns private flie-backed mappings into anonymous mappings.
6420 This will break MADV_DONTNEED.
6421 This is a hint, so ignoring and returning success is ok. */
6422 ret = get_errno(0);
6423 break;
ffa65c3b 6424#endif
992f48a0 6425#if TARGET_ABI_BITS == 32
31e31b8a 6426 case TARGET_NR_fcntl64:
77e4672d 6427 {
b1e341eb 6428 int cmd;
77e4672d 6429 struct flock64 fl;
53a5960a 6430 struct target_flock64 *target_fl;
ce4defa0 6431#ifdef TARGET_ARM
53a5960a 6432 struct target_eabi_flock64 *target_efl;
ce4defa0 6433#endif
77e4672d 6434
b1e341eb
TS		 6435 switch(arg2){
6436 case TARGET_F_GETLK64:
6437 cmd = F_GETLK64;
a7222580 6438 break;
b1e341eb
TS		 6439 case TARGET_F_SETLK64:
6440 cmd = F_SETLK64;
a7222580 6441 break;
b1e341eb
TS		 6442 case TARGET_F_SETLKW64:
6443 cmd = F_SETLK64;
a7222580 6444 break;
b1e341eb
TS		 6445 default:
6446 cmd = arg2;
a7222580 6447 break;
b1e341eb
TS		 6448 }
6449
60cd49d5 6450 switch(arg2) {
b1e341eb 6451 case TARGET_F_GETLK64:
5813427b
TS		 6452#ifdef TARGET_ARM
6453 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6454 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6455 goto efault;
5813427b
TS		 6456 fl.l_type = tswap16(target_efl->l_type);
6457 fl.l_whence = tswap16(target_efl->l_whence);
6458 fl.l_start = tswap64(target_efl->l_start);
6459 fl.l_len = tswap64(target_efl->l_len);
6460 fl.l_pid = tswapl(target_efl->l_pid);
6461 unlock_user_struct(target_efl, arg3, 0);
6462 } else
6463#endif
6464 {
9ee1fa2c
FB		 6465 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6466 goto efault;
5813427b
TS		 6467 fl.l_type = tswap16(target_fl->l_type);
6468 fl.l_whence = tswap16(target_fl->l_whence);
6469 fl.l_start = tswap64(target_fl->l_start);
6470 fl.l_len = tswap64(target_fl->l_len);
6471 fl.l_pid = tswapl(target_fl->l_pid);
6472 unlock_user_struct(target_fl, arg3, 0);
6473 }
b1e341eb 6474 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6475 if (ret == 0) {
ce4defa0
PB		 6476#ifdef TARGET_ARM
6477 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6478 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6479 goto efault;
ce4defa0
PB		 6480 target_efl->l_type = tswap16(fl.l_type);
6481 target_efl->l_whence = tswap16(fl.l_whence);
6482 target_efl->l_start = tswap64(fl.l_start);
6483 target_efl->l_len = tswap64(fl.l_len);
6484 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 6485 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 6486 } else
6487#endif
6488 {
9ee1fa2c
FB		 6489 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6490 goto efault;
ce4defa0
PB		 6491 target_fl->l_type = tswap16(fl.l_type);
6492 target_fl->l_whence = tswap16(fl.l_whence);
6493 target_fl->l_start = tswap64(fl.l_start);
6494 target_fl->l_len = tswap64(fl.l_len);
6495 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 6496 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 6497 }
77e4672d
FB		 6498 }
6499 break;
6500
b1e341eb
TS		 6501 case TARGET_F_SETLK64:
6502 case TARGET_F_SETLKW64:
ce4defa0
PB		 6503#ifdef TARGET_ARM
6504 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6505 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6506 goto efault;
ce4defa0
PB		 6507 fl.l_type = tswap16(target_efl->l_type);
6508 fl.l_whence = tswap16(target_efl->l_whence);
6509 fl.l_start = tswap64(target_efl->l_start);
6510 fl.l_len = tswap64(target_efl->l_len);
6511 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 6512 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 6513 } else
6514#endif
6515 {
9ee1fa2c
FB		 6516 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6517 goto efault;
ce4defa0
PB		 6518 fl.l_type = tswap16(target_fl->l_type);
6519 fl.l_whence = tswap16(target_fl->l_whence);
6520 fl.l_start = tswap64(target_fl->l_start);
6521 fl.l_len = tswap64(target_fl->l_len);
6522 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 6523 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 6524 }
b1e341eb 6525 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6526 break;
60cd49d5 6527 default:
9ee1fa2c 6528 ret = do_fcntl(arg1, cmd, arg3);
60cd49d5
FB		 6529 break;
6530 }
77e4672d
FB		 6531 break;
6532 }
60cd49d5 6533#endif
7d600c80
TS		 6534#ifdef TARGET_NR_cacheflush
6535 case TARGET_NR_cacheflush:
6536 /* self-modifying code is handled automatically, so nothing needed */
6537 ret = 0;
6538 break;
6539#endif
ebc05488 6540#ifdef TARGET_NR_security
31e31b8a
FB		 6541 case TARGET_NR_security:
6542 goto unimplemented;
c573ff67
FB		 6543#endif
6544#ifdef TARGET_NR_getpagesize
6545 case TARGET_NR_getpagesize:
6546 ret = TARGET_PAGE_SIZE;
6547 break;
ebc05488 6548#endif
31e31b8a
FB		 6549 case TARGET_NR_gettid:
6550 ret = get_errno(gettid());
6551 break;
e5febef5 6552#ifdef TARGET_NR_readahead
31e31b8a 6553 case TARGET_NR_readahead:
2054ac9b
AJ		 6554#if TARGET_ABI_BITS == 32
6555#ifdef TARGET_ARM
6556 if (((CPUARMState *)cpu_env)->eabi)
6557 {
6558 arg2 = arg3;
6559 arg3 = arg4;
6560 arg4 = arg5;
6561 }
6562#endif
6563 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
6564#else
6565 ret = get_errno(readahead(arg1, arg2, arg3));
6566#endif
6567 break;
e5febef5 6568#endif
ebc05488 6569#ifdef TARGET_NR_setxattr
31e31b8a
FB		 6570 case TARGET_NR_setxattr:
6571 case TARGET_NR_lsetxattr:
6572 case TARGET_NR_fsetxattr:
6573 case TARGET_NR_getxattr:
6574 case TARGET_NR_lgetxattr:
6575 case TARGET_NR_fgetxattr:
6576 case TARGET_NR_listxattr:
6577 case TARGET_NR_llistxattr:
6578 case TARGET_NR_flistxattr:
6579 case TARGET_NR_removexattr:
6580 case TARGET_NR_lremovexattr:
6581 case TARGET_NR_fremovexattr:
6f932f91
AP		 6582 ret = -TARGET_EOPNOTSUPP;
6583 break;
ebc05488
FB		 6584#endif
6585#ifdef TARGET_NR_set_thread_area
5cd4393b 6586 case TARGET_NR_set_thread_area:
8d18e893 6587#if defined(TARGET_MIPS)
6f5b89a0
TS		 6588 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
6589 ret = 0;
6590 break;
ef96779b
EI		 6591#elif defined(TARGET_CRIS)
6592 if (arg1 & 0xff)
6593 ret = -TARGET_EINVAL;
6594 else {
6595 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
6596 ret = 0;
6597 }
6598 break;
8d18e893
FB		 6599#elif defined(TARGET_I386) && defined(TARGET_ABI32)
6600 ret = do_set_thread_area(cpu_env, arg1);
6601 break;
6f5b89a0
TS		 6602#else
6603 goto unimplemented_nowarn;
6604#endif
6605#endif
6606#ifdef TARGET_NR_get_thread_area
5cd4393b 6607 case TARGET_NR_get_thread_area:
8d18e893
FB		 6608#if defined(TARGET_I386) && defined(TARGET_ABI32)
6609 ret = do_get_thread_area(cpu_env, arg1);
6610#else
5cd4393b 6611 goto unimplemented_nowarn;
48dc41eb 6612#endif
8d18e893 6613#endif
48dc41eb
FB		 6614#ifdef TARGET_NR_getdomainname
6615 case TARGET_NR_getdomainname:
6616 goto unimplemented_nowarn;
ebc05488 6617#endif
6f5b89a0 6618
b5906f95
TS		 6619#ifdef TARGET_NR_clock_gettime
6620 case TARGET_NR_clock_gettime:
6621 {
6622 struct timespec ts;
6623 ret = get_errno(clock_gettime(arg1, &ts));
6624 if (!is_error(ret)) {
6625 host_to_target_timespec(arg2, &ts);
6626 }
6627 break;
6628 }
6629#endif
6630#ifdef TARGET_NR_clock_getres
6631 case TARGET_NR_clock_getres:
6632 {
6633 struct timespec ts;
6634 ret = get_errno(clock_getres(arg1, &ts));
6635 if (!is_error(ret)) {
6636 host_to_target_timespec(arg2, &ts);
6637 }
6638 break;
6639 }
6640#endif
63d7651b
PB		 6641#ifdef TARGET_NR_clock_nanosleep
6642 case TARGET_NR_clock_nanosleep:
6643 {
6644 struct timespec ts;
6645 target_to_host_timespec(&ts, arg3);
6646 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
6647 if (arg4)
6648 host_to_target_timespec(arg4, &ts);
6649 break;
6650 }
6651#endif
b5906f95 6652
6f5b89a0
TS		 6653#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
6654 case TARGET_NR_set_tid_address:
579a97f7
FB		 6655 ret = get_errno(set_tid_address((int *)g2h(arg1)));
6656 break;
6f5b89a0
TS		 6657#endif
6658
3ae43202 6659#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 6660 case TARGET_NR_tkill:
4cb05961 6661 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 6662 break;
6663#endif
6664
3ae43202 6665#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 6666 case TARGET_NR_tgkill:
4cb05961
PB		 6667 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
6668 target_to_host_signal(arg3)));
71455574
TS		 6669 break;
6670#endif
6671
4f2b1fe8
TS		 6672#ifdef TARGET_NR_set_robust_list
6673 case TARGET_NR_set_robust_list:
6674 goto unimplemented_nowarn;
6675#endif
6676
9007f0ef
TS		 6677#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
6678 case TARGET_NR_utimensat:
6679 {
ebc996f3
RV		 6680 struct timespec *tsp, ts[2];
6681 if (!arg3) {
6682 tsp = NULL;
6683 } else {
6684 target_to_host_timespec(ts, arg3);
6685 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
6686 tsp = ts;
6687 }
9007f0ef 6688 if (!arg2)
ebc996f3 6689 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 6690 else {
579a97f7 6691 if (!(p = lock_user_string(arg2))) {
0da46a6e 6692 ret = -TARGET_EFAULT;
579a97f7
FB		 6693 goto fail;
6694 }
ebc996f3 6695 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 6696 unlock_user(p, arg2, 0);
9007f0ef
TS		 6697 }
6698 }
6699 break;
6700#endif
bd0c5661
PB		 6701#if defined(USE_NPTL)
6702 case TARGET_NR_futex:
6703 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
6704 break;
6705#endif
dbfe4c36 6706#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 6707 case TARGET_NR_inotify_init:
6708 ret = get_errno(sys_inotify_init());
6709 break;
6710#endif
dbfe4c36 6711#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 6712 case TARGET_NR_inotify_add_watch:
6713 p = lock_user_string(arg2);
6714 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
6715 unlock_user(p, arg2, 0);
6716 break;
6717#endif
dbfe4c36 6718#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 6719 case TARGET_NR_inotify_rm_watch:
6720 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
6721 break;
6722#endif
9007f0ef 6723
24e1003a
AJ		 6724#ifdef TARGET_NR_mq_open
6725 case TARGET_NR_mq_open:
6726 {
6727 struct mq_attr posix_mq_attr;
6728
6729 p = lock_user_string(arg1 - 1);
6730 if (arg4 != 0)
6731 copy_from_user_mq_attr (&posix_mq_attr, arg4);
6732 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
6733 unlock_user (p, arg1, 0);
6734 }
6735 break;
6736
6737 case TARGET_NR_mq_unlink:
6738 p = lock_user_string(arg1 - 1);
6739 ret = get_errno(mq_unlink(p));
6740 unlock_user (p, arg1, 0);
6741 break;
6742
6743 case TARGET_NR_mq_timedsend:
6744 {
6745 struct timespec ts;
6746
6747 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6748 if (arg5 != 0) {
6749 target_to_host_timespec(&ts, arg5);
6750 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
6751 host_to_target_timespec(arg5, &ts);
6752 }
6753 else
6754 ret = get_errno(mq_send(arg1, p, arg3, arg4));
6755 unlock_user (p, arg2, arg3);
6756 }
6757 break;
6758
6759 case TARGET_NR_mq_timedreceive:
6760 {
6761 struct timespec ts;
6762 unsigned int prio;
6763
6764 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6765 if (arg5 != 0) {
6766 target_to_host_timespec(&ts, arg5);
6767 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
6768 host_to_target_timespec(arg5, &ts);
6769 }
6770 else
6771 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
6772 unlock_user (p, arg2, arg3);
6773 if (arg4 != 0)
6774 put_user_u32(prio, arg4);
6775 }
6776 break;
6777
6778 /* Not implemented for now... */
6779/* case TARGET_NR_mq_notify: */
6780/* break; */
6781
6782 case TARGET_NR_mq_getsetattr:
6783 {
6784 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
6785 ret = 0;
6786 if (arg3 != 0) {
6787 ret = mq_getattr(arg1, &posix_mq_attr_out);
6788 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
6789 }
6790 if (arg2 != 0) {
6791 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
6792 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
6793 }
6794
6795 }
6796 break;
6797#endif
6798
31e31b8a
FB		 6799 default:
6800 unimplemented:
5cd4393b 6801 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 6802#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 6803 unimplemented_nowarn:
80a9d035 6804#endif
0da46a6e 6805 ret = -TARGET_ENOSYS;
31e31b8a
FB		 6806 break;
6807 }
579a97f7 6808fail:
c573ff67
FB		 6809#ifdef DEBUG
6810 gemu_log(" = %ld\n", ret);
6811#endif
b92c47c1
TS		 6812 if(do_strace)
6813 print_syscall_ret(num, ret);
31e31b8a 6814 return ret;
579a97f7
FB		 6815efault:
6816 ret = -TARGET_EFAULT;
6817 goto fail;
31e31b8a 6818}
Mirror of https://git.qemu.org/git/qemu.git