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S390: Tell user why VM creation failed
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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
8167ee88 17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
31e31b8a 18 */
d5b3a9b6 19#define _ATFILE_SOURCE
31e31b8a
FB		 20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
82e671d9 30#include <limits.h>
31e31b8a 31#include <sys/types.h>
d08d3bb8
TS		 32#include <sys/ipc.h>
33#include <sys/msg.h>
31e31b8a
FB		 34#include <sys/wait.h>
35#include <sys/time.h>
36#include <sys/stat.h>
37#include <sys/mount.h>
39b9aae1 38#include <sys/prctl.h>
31e31b8a
FB		 39#include <sys/resource.h>
40#include <sys/mman.h>
41#include <sys/swap.h>
42#include <signal.h>
43#include <sched.h>
60e99246
AJ		 44#ifdef __ia64__
45int __clone2(int (*fn)(void *), void *child_stack_base,
46 size_t stack_size, int flags, void *arg, ...);
47#endif
31e31b8a 48#include <sys/socket.h>
607175e0 49#include <sys/un.h>
31e31b8a 50#include <sys/uio.h>
9de5e440 51#include <sys/poll.h>
32f36bce 52#include <sys/times.h>
8853f86e 53#include <sys/shm.h>
fa294816 54#include <sys/sem.h>
56c8f68f 55#include <sys/statfs.h>
ebc05488 56#include <utime.h>
a5448a7d 57#include <sys/sysinfo.h>
3b3f24ad 58#include <sys/utsname.h>
72f03900 59//#include <sys/user.h>
8853f86e 60#include <netinet/ip.h>
7854b056 61#include <netinet/tcp.h>
0b6d3ae0 62#include <qemu-common.h>
9788c9ca 63#ifdef TARGET_GPROF
6d946cda
AJ		 64#include <sys/gmon.h>
65#endif
c2882b96
RV		 66#ifdef CONFIG_EVENTFD
67#include <sys/eventfd.h>
68#endif
31e31b8a
FB		 69
70#define termios host_termios
71#define winsize host_winsize
72#define termio host_termio
04369ff2
FB		 73#define sgttyb host_sgttyb /* same as target */
74#define tchars host_tchars /* same as target */
75#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 76
77#include <linux/termios.h>
78#include <linux/unistd.h>
79#include <linux/utsname.h>
80#include <linux/cdrom.h>
81#include <linux/hdreg.h>
82#include <linux/soundcard.h>
19b84f3c 83#include <linux/kd.h>
8fbd6b52 84#include <linux/mtio.h>
350d1779 85#include <linux/fs.h>
f7680a55
UH		 86#include <linux/fb.h>
87#include <linux/vt.h>
d7e4036e 88#include "linux_loop.h"
da79030f 89#include "cpu-uname.h"
31e31b8a 90
3ef693a0 91#include "qemu.h"
526ccb7a 92#include "qemu-common.h"
31e31b8a 93
2f7bb878 94#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 95#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
96 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
97#else
98/* XXX: Hardcode the above values. */
99#define CLONE_NPTL_FLAGS2 0
30813cea
PB		 100#endif
101
72f03900 102//#define DEBUG
31e31b8a 103
1a9353d2 104//#include <linux/msdos_fs.h>
6556a833
AJ		 105#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
106#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 107
70a194b9 108
70a194b9
FB		 109#undef _syscall0
110#undef _syscall1
111#undef _syscall2
112#undef _syscall3
113#undef _syscall4
114#undef _syscall5
83fcb515 115#undef _syscall6
70a194b9 116
83fcb515 117#define _syscall0(type,name) \
8fcd3692 118static type name (void) \
83fcb515
FB		 119{ \
120 return syscall(__NR_##name); \
121}
70a194b9 122
83fcb515 123#define _syscall1(type,name,type1,arg1) \
8fcd3692 124static type name (type1 arg1) \
83fcb515
FB		 125{ \
126 return syscall(__NR_##name, arg1); \
70a194b9
FB		 127}
128
83fcb515 129#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 130static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 131{ \
132 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 133}
134
83fcb515 135#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 136static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 137{ \
138 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 139}
140
83fcb515 141#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 142static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 143{ \
144 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 145}
146
83fcb515
FB		 147#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
148 type5,arg5) \
8fcd3692 149static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 150{ \
151 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 152}
153
83fcb515
FB		 154
155#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
156 type5,arg5,type6,arg6) \
8fcd3692
BS		 157static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
158 type6 arg6) \
83fcb515
FB		 159{ \
160 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 161}
83fcb515 162
70a194b9 163
31e31b8a 164#define __NR_sys_uname __NR_uname
92a34c10 165#define __NR_sys_faccessat __NR_faccessat
814d7977 166#define __NR_sys_fchmodat __NR_fchmodat
ccfa72b7 167#define __NR_sys_fchownat __NR_fchownat
6a24a778 168#define __NR_sys_fstatat64 __NR_fstatat64
ac8a6556 169#define __NR_sys_futimesat __NR_futimesat
72f03900 170#define __NR_sys_getcwd1 __NR_getcwd
72f03900 171#define __NR_sys_getdents __NR_getdents
dab2ed99 172#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 173#define __NR_sys_getpriority __NR_getpriority
64f0ce4c 174#define __NR_sys_linkat __NR_linkat
4472ad0d 175#define __NR_sys_mkdirat __NR_mkdirat
75ac37a0 176#define __NR_sys_mknodat __NR_mknodat
9d33b76b 177#define __NR_sys_newfstatat __NR_newfstatat
82424832 178#define __NR_sys_openat __NR_openat
5e0ccb18 179#define __NR_sys_readlinkat __NR_readlinkat
722183f6 180#define __NR_sys_renameat __NR_renameat
66fb9763 181#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
f0b6243d 182#define __NR_sys_symlinkat __NR_symlinkat
7494b0f9 183#define __NR_sys_syslog __NR_syslog
71455574 184#define __NR_sys_tgkill __NR_tgkill
4cae1d16 185#define __NR_sys_tkill __NR_tkill
8170f56b 186#define __NR_sys_unlinkat __NR_unlinkat
9007f0ef 187#define __NR_sys_utimensat __NR_utimensat
bd0c5661 188#define __NR_sys_futex __NR_futex
39b59763
AJ		 189#define __NR_sys_inotify_init __NR_inotify_init
190#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
191#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 192
bc51c5c9 193#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 194#define __NR__llseek __NR_lseek
195#endif
196
72f03900 197#ifdef __NR_gettid
31e31b8a 198_syscall0(int, gettid)
72f03900 199#else
0da46a6e
TS		 200/* This is a replacement for the host gettid() and must return a host
201 errno. */
72f03900
FB		 202static int gettid(void) {
203 return -ENOSYS;
204}
205#endif
3b3f24ad 206_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
3b3f24ad
AJ		 207#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
208_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
209#endif
210_syscall2(int, sys_getpriority, int, which, int, who);
909b69cf 211#if defined(TARGET_NR__llseek) && !defined (__x86_64__)
3b3f24ad
AJ		 212_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
213 loff_t *, res, uint, wh);
214#endif
215_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
216_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
217#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
218_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
219#endif
220#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
221_syscall2(int,sys_tkill,int,tid,int,sig)
222#endif
223#ifdef __NR_exit_group
224_syscall1(int,exit_group,int,error_code)
225#endif
226#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
227_syscall1(int,set_tid_address,int *,tidptr)
228#endif
2f7bb878 229#if defined(CONFIG_USE_NPTL)
3b3f24ad
AJ		 230#if defined(TARGET_NR_futex) && defined(__NR_futex)
231_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
232 const struct timespec *,timeout,int *,uaddr2,int,val3)
233#endif
234#endif
235
236static bitmask_transtbl fcntl_flags_tbl[] = {
237 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
238 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
239 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
240 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
241 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
242 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
243 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
244 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
245 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
246 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
247 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
248 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
249 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
250#if defined(O_DIRECT)
251 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
252#endif
253 { 0, 0, 0, 0 }
254};
255
256#define COPY_UTSNAME_FIELD(dest, src) \
257 do { \
258 /* __NEW_UTS_LEN doesn't include terminating null */ \
259 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
260 (dest)[__NEW_UTS_LEN] = '\0'; \
261 } while (0)
262
263static int sys_uname(struct new_utsname *buf)
264{
265 struct utsname uts_buf;
266
267 if (uname(&uts_buf) < 0)
268 return (-1);
269
270 /*
271 * Just in case these have some differences, we
272 * translate utsname to new_utsname (which is the
273 * struct linux kernel uses).
274 */
275
276 bzero(buf, sizeof (*buf));
277 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
278 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
279 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
280 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
281 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
282#ifdef _GNU_SOURCE
283 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
284#endif
285 return (0);
286
287#undef COPY_UTSNAME_FIELD
288}
289
290static int sys_getcwd1(char *buf, size_t size)
291{
292 if (getcwd(buf, size) == NULL) {
293 /* getcwd() sets errno */
294 return (-1);
295 }
aaf4ad39 296 return strlen(buf)+1;
3b3f24ad
AJ		 297}
298
299#ifdef CONFIG_ATFILE
300/*
301 * Host system seems to have atfile syscall stubs available. We
302 * now enable them one by one as specified by target syscall_nr.h.
303 */
304
305#ifdef TARGET_NR_faccessat
465c9f06 306static int sys_faccessat(int dirfd, const char *pathname, int mode)
3b3f24ad 307{
465c9f06 308 return (faccessat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 309}
310#endif
311#ifdef TARGET_NR_fchmodat
465c9f06 312static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
3b3f24ad 313{
465c9f06 314 return (fchmodat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 315}
316#endif
fda33744 317#if defined(TARGET_NR_fchownat) && defined(USE_UID16)
3b3f24ad
AJ		 318static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
319 gid_t group, int flags)
320{
321 return (fchownat(dirfd, pathname, owner, group, flags));
322}
323#endif
324#ifdef __NR_fstatat64
325static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
326 int flags)
327{
328 return (fstatat(dirfd, pathname, buf, flags));
329}
330#endif
331#ifdef __NR_newfstatat
332static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
333 int flags)
334{
335 return (fstatat(dirfd, pathname, buf, flags));
336}
337#endif
338#ifdef TARGET_NR_futimesat
339static int sys_futimesat(int dirfd, const char *pathname,
340 const struct timeval times[2])
341{
342 return (futimesat(dirfd, pathname, times));
343}
344#endif
345#ifdef TARGET_NR_linkat
346static int sys_linkat(int olddirfd, const char *oldpath,
347 int newdirfd, const char *newpath, int flags)
348{
349 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
350}
351#endif
352#ifdef TARGET_NR_mkdirat
353static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
354{
355 return (mkdirat(dirfd, pathname, mode));
356}
357#endif
358#ifdef TARGET_NR_mknodat
359static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
360 dev_t dev)
361{
362 return (mknodat(dirfd, pathname, mode, dev));
363}
364#endif
365#ifdef TARGET_NR_openat
366static int sys_openat(int dirfd, const char *pathname, int flags, ...)
367{
368 /*
369 * open(2) has extra parameter 'mode' when called with
370 * flag O_CREAT.
371 */
372 if ((flags & O_CREAT) != 0) {
373 va_list ap;
374 mode_t mode;
375
376 /*
377 * Get the 'mode' parameter and translate it to
378 * host bits.
379 */
380 va_start(ap, flags);
381 mode = va_arg(ap, mode_t);
382 mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
383 va_end(ap);
384
385 return (openat(dirfd, pathname, flags, mode));
386 }
387 return (openat(dirfd, pathname, flags));
388}
389#endif
390#ifdef TARGET_NR_readlinkat
391static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
392{
393 return (readlinkat(dirfd, pathname, buf, bufsiz));
394}
395#endif
396#ifdef TARGET_NR_renameat
397static int sys_renameat(int olddirfd, const char *oldpath,
398 int newdirfd, const char *newpath)
399{
400 return (renameat(olddirfd, oldpath, newdirfd, newpath));
401}
402#endif
403#ifdef TARGET_NR_symlinkat
404static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
405{
406 return (symlinkat(oldpath, newdirfd, newpath));
407}
408#endif
409#ifdef TARGET_NR_unlinkat
410static int sys_unlinkat(int dirfd, const char *pathname, int flags)
411{
412 return (unlinkat(dirfd, pathname, flags));
413}
414#endif
3b3f24ad
AJ		 415#else /* !CONFIG_ATFILE */
416
417/*
418 * Try direct syscalls instead
419 */
92a34c10 420#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
465c9f06 421_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
92a34c10 422#endif
814d7977 423#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
465c9f06 424_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
814d7977 425#endif
4583f589 426#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
ccfa72b7
TS		 427_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
428 uid_t,owner,gid_t,group,int,flags)
429#endif
9d33b76b
AJ		 430#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
431 defined(__NR_fstatat64)
6a24a778
AZ		 432_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
433 struct stat *,buf,int,flags)
434#endif
ac8a6556
AZ		 435#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
436_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
437 const struct timeval *,times)
438#endif
3b3f24ad
AJ		 439#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
440 defined(__NR_newfstatat)
441_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
442 struct stat *,buf,int,flags)
8fcd3692 443#endif
64f0ce4c
TS		 444#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
445_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
3b3f24ad 446 int,newdirfd,const char *,newpath,int,flags)
64f0ce4c 447#endif
4472ad0d
TS		 448#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
449_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
450#endif
75ac37a0
TS		 451#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
452_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
453 mode_t,mode,dev_t,dev)
454#endif
82424832
TS		 455#if defined(TARGET_NR_openat) && defined(__NR_openat)
456_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
457#endif
5e0ccb18
TS		 458#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
459_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
460 char *,buf,size_t,bufsize)
461#endif
722183f6
TS		 462#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
463_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
464 int,newdirfd,const char *,newpath)
465#endif
b51eaa82 466#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
f0b6243d
TS		 467_syscall3(int,sys_symlinkat,const char *,oldpath,
468 int,newdirfd,const char *,newpath)
469#endif
8170f56b
TS		 470#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
471_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
472#endif
ebc996f3
RV		 473
474#endif /* CONFIG_ATFILE */
475
476#ifdef CONFIG_UTIMENSAT
477static int sys_utimensat(int dirfd, const char *pathname,
478 const struct timespec times[2], int flags)
479{
480 if (pathname == NULL)
481 return futimens(dirfd, times);
482 else
483 return utimensat(dirfd, pathname, times, flags);
484}
485#else
9007f0ef
TS		 486#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
487_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
488 const struct timespec *,tsp,int,flags)
489#endif
ebc996f3 490#endif /* CONFIG_UTIMENSAT */
3b3f24ad
AJ		 491
492#ifdef CONFIG_INOTIFY
8690e420 493#include <sys/inotify.h>
3b3f24ad 494
39b59763 495#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 496static int sys_inotify_init(void)
497{
498 return (inotify_init());
499}
39b59763
AJ		 500#endif
501#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 502static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
503{
504 return (inotify_add_watch(fd, pathname, mask));
505}
39b59763
AJ		 506#endif
507#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 508static int sys_inotify_rm_watch(int fd, int32_t wd)
509{
8690e420 510 return (inotify_rm_watch(fd, wd));
3b3f24ad 511}
bd0c5661 512#endif
c05c7a73
RV		 513#ifdef CONFIG_INOTIFY1
514#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
515static int sys_inotify_init1(int flags)
516{
517 return (inotify_init1(flags));
518}
519#endif
520#endif
3b3f24ad
AJ		 521#else
522/* Userspace can usually survive runtime without inotify */
523#undef TARGET_NR_inotify_init
c05c7a73 524#undef TARGET_NR_inotify_init1
3b3f24ad
AJ		 525#undef TARGET_NR_inotify_add_watch
526#undef TARGET_NR_inotify_rm_watch
527#endif /* CONFIG_INOTIFY */
528
66fb9763
FB		 529
530extern int personality(int);
9de5e440
FB		 531extern int flock(int, int);
532extern int setfsuid(int);
533extern int setfsgid(int);
19b84f3c 534extern int setgroups(int, gid_t *);
31e31b8a 535
b92c47c1
TS		 536#define ERRNO_TABLE_SIZE 1200
537
538/* target_to_host_errno_table[] is initialized from
539 * host_to_target_errno_table[] in syscall_init(). */
540static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
541};
542
637947f1 543/*
fe8f096b 544 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 545 * minus the errnos that are not actually generic to all archs.
546 */
b92c47c1 547static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 548 [EIDRM] = TARGET_EIDRM,
549 [ECHRNG] = TARGET_ECHRNG,
550 [EL2NSYNC] = TARGET_EL2NSYNC,
551 [EL3HLT] = TARGET_EL3HLT,
552 [EL3RST] = TARGET_EL3RST,
553 [ELNRNG] = TARGET_ELNRNG,
554 [EUNATCH] = TARGET_EUNATCH,
555 [ENOCSI] = TARGET_ENOCSI,
556 [EL2HLT] = TARGET_EL2HLT,
557 [EDEADLK] = TARGET_EDEADLK,
558 [ENOLCK] = TARGET_ENOLCK,
559 [EBADE] = TARGET_EBADE,
560 [EBADR] = TARGET_EBADR,
561 [EXFULL] = TARGET_EXFULL,
562 [ENOANO] = TARGET_ENOANO,
563 [EBADRQC] = TARGET_EBADRQC,
564 [EBADSLT] = TARGET_EBADSLT,
565 [EBFONT] = TARGET_EBFONT,
566 [ENOSTR] = TARGET_ENOSTR,
567 [ENODATA] = TARGET_ENODATA,
568 [ETIME] = TARGET_ETIME,
569 [ENOSR] = TARGET_ENOSR,
570 [ENONET] = TARGET_ENONET,
571 [ENOPKG] = TARGET_ENOPKG,
572 [EREMOTE] = TARGET_EREMOTE,
573 [ENOLINK] = TARGET_ENOLINK,
574 [EADV] = TARGET_EADV,
575 [ESRMNT] = TARGET_ESRMNT,
576 [ECOMM] = TARGET_ECOMM,
577 [EPROTO] = TARGET_EPROTO,
578 [EDOTDOT] = TARGET_EDOTDOT,
579 [EMULTIHOP] = TARGET_EMULTIHOP,
580 [EBADMSG] = TARGET_EBADMSG,
581 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
582 [EOVERFLOW] = TARGET_EOVERFLOW,
583 [ENOTUNIQ] = TARGET_ENOTUNIQ,
584 [EBADFD] = TARGET_EBADFD,
585 [EREMCHG] = TARGET_EREMCHG,
586 [ELIBACC] = TARGET_ELIBACC,
587 [ELIBBAD] = TARGET_ELIBBAD,
588 [ELIBSCN] = TARGET_ELIBSCN,
589 [ELIBMAX] = TARGET_ELIBMAX,
590 [ELIBEXEC] = TARGET_ELIBEXEC,
591 [EILSEQ] = TARGET_EILSEQ,
592 [ENOSYS] = TARGET_ENOSYS,
593 [ELOOP] = TARGET_ELOOP,
594 [ERESTART] = TARGET_ERESTART,
595 [ESTRPIPE] = TARGET_ESTRPIPE,
596 [ENOTEMPTY] = TARGET_ENOTEMPTY,
597 [EUSERS] = TARGET_EUSERS,
598 [ENOTSOCK] = TARGET_ENOTSOCK,
599 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
600 [EMSGSIZE] = TARGET_EMSGSIZE,
601 [EPROTOTYPE] = TARGET_EPROTOTYPE,
602 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
603 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
604 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
605 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
606 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
607 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
608 [EADDRINUSE] = TARGET_EADDRINUSE,
609 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
610 [ENETDOWN] = TARGET_ENETDOWN,
611 [ENETUNREACH] = TARGET_ENETUNREACH,
612 [ENETRESET] = TARGET_ENETRESET,
613 [ECONNABORTED] = TARGET_ECONNABORTED,
614 [ECONNRESET] = TARGET_ECONNRESET,
615 [ENOBUFS] = TARGET_ENOBUFS,
616 [EISCONN] = TARGET_EISCONN,
617 [ENOTCONN] = TARGET_ENOTCONN,
618 [EUCLEAN] = TARGET_EUCLEAN,
619 [ENOTNAM] = TARGET_ENOTNAM,
620 [ENAVAIL] = TARGET_ENAVAIL,
621 [EISNAM] = TARGET_EISNAM,
622 [EREMOTEIO] = TARGET_EREMOTEIO,
623 [ESHUTDOWN] = TARGET_ESHUTDOWN,
624 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
625 [ETIMEDOUT] = TARGET_ETIMEDOUT,
626 [ECONNREFUSED] = TARGET_ECONNREFUSED,
627 [EHOSTDOWN] = TARGET_EHOSTDOWN,
628 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
629 [EALREADY] = TARGET_EALREADY,
630 [EINPROGRESS] = TARGET_EINPROGRESS,
631 [ESTALE] = TARGET_ESTALE,
632 [ECANCELED] = TARGET_ECANCELED,
633 [ENOMEDIUM] = TARGET_ENOMEDIUM,
634 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 635#ifdef ENOKEY
637947f1 636 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 637#endif
638#ifdef EKEYEXPIRED
637947f1 639 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 640#endif
641#ifdef EKEYREVOKED
637947f1 642 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 643#endif
644#ifdef EKEYREJECTED
637947f1 645 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 646#endif
647#ifdef EOWNERDEAD
637947f1 648 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 649#endif
650#ifdef ENOTRECOVERABLE
637947f1 651 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 652#endif
b92c47c1 653};
637947f1
TS		 654
655static inline int host_to_target_errno(int err)
656{
657 if(host_to_target_errno_table[err])
658 return host_to_target_errno_table[err];
659 return err;
660}
661
b92c47c1
TS		 662static inline int target_to_host_errno(int err)
663{
664 if (target_to_host_errno_table[err])
665 return target_to_host_errno_table[err];
666 return err;
667}
668
992f48a0 669static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 670{
671 if (ret == -1)
637947f1 672 return -host_to_target_errno(errno);
31e31b8a
FB		 673 else
674 return ret;
675}
676
992f48a0 677static inline int is_error(abi_long ret)
31e31b8a 678{
992f48a0 679 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 680}
681
b92c47c1
TS		 682char *target_strerror(int err)
683{
684 return strerror(target_to_host_errno(err));
685}
686
992f48a0
BS		 687static abi_ulong target_brk;
688static abi_ulong target_original_brk;
31e31b8a 689
992f48a0 690void target_set_brk(abi_ulong new_brk)
31e31b8a 691{
4c1de73d 692 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
31e31b8a
FB		 693}
694
0da46a6e 695/* do_brk() must return target values and target errnos. */
992f48a0 696abi_long do_brk(abi_ulong new_brk)
31e31b8a 697{
992f48a0
BS		 698 abi_ulong brk_page;
699 abi_long mapped_addr;
31e31b8a
FB		 700 int new_alloc_size;
701
702 if (!new_brk)
53a5960a 703 return target_brk;
31e31b8a 704 if (new_brk < target_original_brk)
7ab240ad 705 return target_brk;
3b46e624 706
53a5960a 707 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 708
709 /* If the new brk is less than this, set it and we're done... */
710 if (new_brk < brk_page) {
711 target_brk = new_brk;
53a5960a 712 return target_brk;
31e31b8a
FB		 713 }
714
715 /* We need to allocate more memory after the brk... */
54936004 716 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
5fafdf24 717 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 718 PROT_READ|PROT_WRITE,
719 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
7ab240ad
AZ		 720
721 if (!is_error(mapped_addr))
31e31b8a 722 target_brk = new_brk;
7ab240ad
AZ		 723
724 return target_brk;
31e31b8a
FB		 725}
726
26edcf41
TS		 727static inline abi_long copy_from_user_fdset(fd_set *fds,
728 abi_ulong target_fds_addr,
729 int n)
31e31b8a 730{
26edcf41
TS		 731 int i, nw, j, k;
732 abi_ulong b, *target_fds;
733
734 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
735 if (!(target_fds = lock_user(VERIFY_READ,
736 target_fds_addr,
737 sizeof(abi_ulong) * nw,
738 1)))
739 return -TARGET_EFAULT;
740
741 FD_ZERO(fds);
742 k = 0;
743 for (i = 0; i < nw; i++) {
744 /* grab the abi_ulong */
745 __get_user(b, &target_fds[i]);
746 for (j = 0; j < TARGET_ABI_BITS; j++) {
747 /* check the bit inside the abi_ulong */
748 if ((b >> j) & 1)
749 FD_SET(k, fds);
750 k++;
31e31b8a 751 }
31e31b8a 752 }
26edcf41
TS		 753
754 unlock_user(target_fds, target_fds_addr, 0);
755
756 return 0;
31e31b8a
FB		 757}
758
26edcf41
TS		 759static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
760 const fd_set *fds,
761 int n)
31e31b8a 762{
31e31b8a 763 int i, nw, j, k;
992f48a0 764 abi_long v;
26edcf41 765 abi_ulong *target_fds;
31e31b8a 766
26edcf41
TS		 767 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
768 if (!(target_fds = lock_user(VERIFY_WRITE,
769 target_fds_addr,
770 sizeof(abi_ulong) * nw,
771 0)))
772 return -TARGET_EFAULT;
773
774 k = 0;
775 for (i = 0; i < nw; i++) {
776 v = 0;
777 for (j = 0; j < TARGET_ABI_BITS; j++) {
778 v |= ((FD_ISSET(k, fds) != 0) << j);
779 k++;
31e31b8a 780 }
26edcf41 781 __put_user(v, &target_fds[i]);
31e31b8a 782 }
26edcf41
TS		 783
784 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
785
786 return 0;
31e31b8a
FB		 787}
788
c596ed17
FB		 789#if defined(__alpha__)
790#define HOST_HZ 1024
791#else
792#define HOST_HZ 100
793#endif
794
992f48a0 795static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 796{
797#if HOST_HZ == TARGET_HZ
798 return ticks;
799#else
800 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
801#endif
802}
803
579a97f7
FB		 804static inline abi_long host_to_target_rusage(abi_ulong target_addr,
805 const struct rusage *rusage)
b409186b 806{
53a5960a
PB		 807 struct target_rusage *target_rusage;
808
579a97f7
FB		 809 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
810 return -TARGET_EFAULT;
b409186b
FB		 811 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
812 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
813 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
814 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
815 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
816 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
817 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
818 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
819 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
820 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
821 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
822 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
823 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
824 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
825 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
826 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
827 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
828 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 829 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 830
831 return 0;
b409186b
FB		 832}
833
788f5ec4
TS		 834static inline abi_long copy_from_user_timeval(struct timeval *tv,
835 abi_ulong target_tv_addr)
31e31b8a 836{
53a5960a
PB		 837 struct target_timeval *target_tv;
838
788f5ec4 839 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 840 return -TARGET_EFAULT;
788f5ec4
TS		 841
842 __get_user(tv->tv_sec, &target_tv->tv_sec);
843 __get_user(tv->tv_usec, &target_tv->tv_usec);
844
845 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 846
847 return 0;
31e31b8a
FB		 848}
849
788f5ec4
TS		 850static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
851 const struct timeval *tv)
31e31b8a 852{
53a5960a
PB		 853 struct target_timeval *target_tv;
854
788f5ec4 855 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 856 return -TARGET_EFAULT;
788f5ec4
TS		 857
858 __put_user(tv->tv_sec, &target_tv->tv_sec);
859 __put_user(tv->tv_usec, &target_tv->tv_usec);
860
861 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 862
863 return 0;
31e31b8a
FB		 864}
865
8ec9cf89
NF		 866#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
867#include <mqueue.h>
868
24e1003a
AJ		 869static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
870 abi_ulong target_mq_attr_addr)
871{
872 struct target_mq_attr *target_mq_attr;
873
874 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
875 target_mq_attr_addr, 1))
876 return -TARGET_EFAULT;
877
878 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
879 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
880 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
881 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
882
883 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
884
885 return 0;
886}
887
888static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
889 const struct mq_attr *attr)
890{
891 struct target_mq_attr *target_mq_attr;
892
893 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
894 target_mq_attr_addr, 0))
895 return -TARGET_EFAULT;
896
897 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
898 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
899 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
900 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
901
902 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
903
904 return 0;
905}
8ec9cf89 906#endif
31e31b8a 907
0da46a6e 908/* do_select() must return target values and target errnos. */
992f48a0 909static abi_long do_select(int n,
26edcf41
TS		 910 abi_ulong rfd_addr, abi_ulong wfd_addr,
911 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 912{
913 fd_set rfds, wfds, efds;
914 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
915 struct timeval tv, *tv_ptr;
992f48a0 916 abi_long ret;
31e31b8a 917
26edcf41
TS		 918 if (rfd_addr) {
919 if (copy_from_user_fdset(&rfds, rfd_addr, n))
920 return -TARGET_EFAULT;
921 rfds_ptr = &rfds;
53a5960a 922 } else {
53a5960a
PB		 923 rfds_ptr = NULL;
924 }
26edcf41
TS		 925 if (wfd_addr) {
926 if (copy_from_user_fdset(&wfds, wfd_addr, n))
927 return -TARGET_EFAULT;
928 wfds_ptr = &wfds;
53a5960a 929 } else {
53a5960a
PB		 930 wfds_ptr = NULL;
931 }
26edcf41
TS		 932 if (efd_addr) {
933 if (copy_from_user_fdset(&efds, efd_addr, n))
934 return -TARGET_EFAULT;
935 efds_ptr = &efds;
53a5960a 936 } else {
53a5960a
PB		 937 efds_ptr = NULL;
938 }
3b46e624 939
26edcf41 940 if (target_tv_addr) {
788f5ec4
TS		 941 if (copy_from_user_timeval(&tv, target_tv_addr))
942 return -TARGET_EFAULT;
31e31b8a
FB		 943 tv_ptr = &tv;
944 } else {
945 tv_ptr = NULL;
946 }
26edcf41 947
31e31b8a 948 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 949
26edcf41
TS		 950 if (!is_error(ret)) {
951 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
952 return -TARGET_EFAULT;
953 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
954 return -TARGET_EFAULT;
955 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
956 return -TARGET_EFAULT;
31e31b8a 957
788f5ec4
TS		 958 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
959 return -TARGET_EFAULT;
31e31b8a 960 }
579a97f7 961
31e31b8a
FB		 962 return ret;
963}
964
099d6b0f
RV		 965static abi_long do_pipe2(int host_pipe[], int flags)
966{
967#ifdef CONFIG_PIPE2
968 return pipe2(host_pipe, flags);
969#else
970 return -ENOSYS;
971#endif
972}
973
784ccfdb 974static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, int flags)
099d6b0f
RV		 975{
976 int host_pipe[2];
977 abi_long ret;
978 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
979
980 if (is_error(ret))
981 return get_errno(ret);
982#if defined(TARGET_MIPS)
983 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
984 ret = host_pipe[0];
099d6b0f 985#else
597c0212
TY		 986#if defined(TARGET_SH4)
987 if (!flags) {
988 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
989 ret = host_pipe[0];
990 } else
991#endif
099d6b0f
RV		 992 if (put_user_s32(host_pipe[0], pipedes)
993 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
994 return -TARGET_EFAULT;
995#endif
996 return get_errno(ret);
997}
998
b975b83b
LL		 999static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1000 abi_ulong target_addr,
1001 socklen_t len)
1002{
1003 struct target_ip_mreqn *target_smreqn;
1004
1005 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1006 if (!target_smreqn)
1007 return -TARGET_EFAULT;
1008 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1009 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1010 if (len == sizeof(struct target_ip_mreqn))
1011 mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
1012 unlock_user(target_smreqn, target_addr, 0);
1013
1014 return 0;
1015}
1016
579a97f7
FB		 1017static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1018 abi_ulong target_addr,
1019 socklen_t len)
7854b056 1020{
607175e0
AJ		 1021 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1022 sa_family_t sa_family;
53a5960a
PB		 1023 struct target_sockaddr *target_saddr;
1024
579a97f7
FB		 1025 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1026 if (!target_saddr)
1027 return -TARGET_EFAULT;
607175e0
AJ		 1028
1029 sa_family = tswap16(target_saddr->sa_family);
1030
1031 /* Oops. The caller might send a incomplete sun_path; sun_path
1032 * must be terminated by \0 (see the manual page), but
1033 * unfortunately it is quite common to specify sockaddr_un
1034 * length as "strlen(x->sun_path)" while it should be
1035 * "strlen(...) + 1". We'll fix that here if needed.
1036 * Linux kernel has a similar feature.
1037 */
1038
1039 if (sa_family == AF_UNIX) {
1040 if (len < unix_maxlen && len > 0) {
1041 char *cp = (char*)target_saddr;
1042
1043 if ( cp[len-1] && !cp[len] )
1044 len++;
1045 }
1046 if (len > unix_maxlen)
1047 len = unix_maxlen;
1048 }
1049
53a5960a 1050 memcpy(addr, target_saddr, len);
607175e0 1051 addr->sa_family = sa_family;
53a5960a 1052 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1053
1054 return 0;
7854b056
FB		 1055}
1056
579a97f7
FB		 1057static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1058 struct sockaddr *addr,
1059 socklen_t len)
7854b056 1060{
53a5960a
PB		 1061 struct target_sockaddr *target_saddr;
1062
579a97f7
FB		 1063 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1064 if (!target_saddr)
1065 return -TARGET_EFAULT;
53a5960a
PB		 1066 memcpy(target_saddr, addr, len);
1067 target_saddr->sa_family = tswap16(addr->sa_family);
1068 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1069
1070 return 0;
7854b056
FB		 1071}
1072
53a5960a 1073/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1074static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1075 struct target_msghdr *target_msgh)
7854b056
FB		 1076{
1077 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1078 abi_long msg_controllen;
1079 abi_ulong target_cmsg_addr;
1080 struct target_cmsghdr *target_cmsg;
7854b056 1081 socklen_t space = 0;
5a4a898d
FB		 1082
1083 msg_controllen = tswapl(target_msgh->msg_controllen);
1084 if (msg_controllen < sizeof (struct target_cmsghdr))
1085 goto the_end;
1086 target_cmsg_addr = tswapl(target_msgh->msg_control);
1087 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1088 if (!target_cmsg)
1089 return -TARGET_EFAULT;
7854b056
FB		 1090
1091 while (cmsg && target_cmsg) {
1092 void *data = CMSG_DATA(cmsg);
1093 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1094
5fafdf24 1095 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 1096 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1097
1098 space += CMSG_SPACE(len);
1099 if (space > msgh->msg_controllen) {
1100 space -= CMSG_SPACE(len);
31febb71 1101 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1102 break;
1103 }
1104
1105 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1106 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1107 cmsg->cmsg_len = CMSG_LEN(len);
1108
3532fa74 1109 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1110 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1111 memcpy(data, target_data, len);
1112 } else {
1113 int *fd = (int *)data;
1114 int *target_fd = (int *)target_data;
1115 int i, numfds = len / sizeof(int);
1116
1117 for (i = 0; i < numfds; i++)
1118 fd[i] = tswap32(target_fd[i]);
1119 }
1120
1121 cmsg = CMSG_NXTHDR(msgh, cmsg);
1122 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1123 }
5a4a898d
FB		 1124 unlock_user(target_cmsg, target_cmsg_addr, 0);
1125 the_end:
7854b056 1126 msgh->msg_controllen = space;
5a4a898d 1127 return 0;
7854b056
FB		 1128}
1129
53a5960a 1130/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1131static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1132 struct msghdr *msgh)
7854b056
FB		 1133{
1134 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1135 abi_long msg_controllen;
1136 abi_ulong target_cmsg_addr;
1137 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1138 socklen_t space = 0;
1139
5a4a898d
FB		 1140 msg_controllen = tswapl(target_msgh->msg_controllen);
1141 if (msg_controllen < sizeof (struct target_cmsghdr))
1142 goto the_end;
1143 target_cmsg_addr = tswapl(target_msgh->msg_control);
1144 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1145 if (!target_cmsg)
1146 return -TARGET_EFAULT;
1147
7854b056
FB		 1148 while (cmsg && target_cmsg) {
1149 void *data = CMSG_DATA(cmsg);
1150 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1151
1152 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1153
1154 space += TARGET_CMSG_SPACE(len);
5a4a898d 1155 if (space > msg_controllen) {
7854b056 1156 space -= TARGET_CMSG_SPACE(len);
31febb71 1157 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1158 break;
1159 }
1160
1161 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1162 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1163 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1164
3532fa74 1165 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1166 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1167 memcpy(target_data, data, len);
1168 } else {
1169 int *fd = (int *)data;
1170 int *target_fd = (int *)target_data;
1171 int i, numfds = len / sizeof(int);
1172
1173 for (i = 0; i < numfds; i++)
1174 target_fd[i] = tswap32(fd[i]);
1175 }
1176
1177 cmsg = CMSG_NXTHDR(msgh, cmsg);
1178 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1179 }
5a4a898d
FB		 1180 unlock_user(target_cmsg, target_cmsg_addr, space);
1181 the_end:
1182 target_msgh->msg_controllen = tswapl(space);
1183 return 0;
7854b056
FB		 1184}
1185
0da46a6e 1186/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1187static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1188 abi_ulong optval_addr, socklen_t optlen)
7854b056 1189{
992f48a0 1190 abi_long ret;
32407103 1191 int val;
b975b83b 1192 struct ip_mreqn *ip_mreq;
6e3cb58f 1193 struct ip_mreq_source *ip_mreq_source;
3b46e624 1194
8853f86e
FB		 1195 switch(level) {
1196 case SOL_TCP:
7854b056 1197 /* TCP options all take an 'int' value. */
7854b056 1198 if (optlen < sizeof(uint32_t))
0da46a6e 1199 return -TARGET_EINVAL;
3b46e624 1200
2f619698
FB		 1201 if (get_user_u32(val, optval_addr))
1202 return -TARGET_EFAULT;
8853f86e
FB		 1203 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1204 break;
1205 case SOL_IP:
1206 switch(optname) {
2efbe911
FB		 1207 case IP_TOS:
1208 case IP_TTL:
8853f86e 1209 case IP_HDRINCL:
2efbe911
FB		 1210 case IP_ROUTER_ALERT:
1211 case IP_RECVOPTS:
1212 case IP_RETOPTS:
1213 case IP_PKTINFO:
1214 case IP_MTU_DISCOVER:
1215 case IP_RECVERR:
1216 case IP_RECVTOS:
1217#ifdef IP_FREEBIND
1218 case IP_FREEBIND:
1219#endif
1220 case IP_MULTICAST_TTL:
1221 case IP_MULTICAST_LOOP:
8853f86e
FB		 1222 val = 0;
1223 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1224 if (get_user_u32(val, optval_addr))
1225 return -TARGET_EFAULT;
8853f86e 1226 } else if (optlen >= 1) {
2f619698
FB		 1227 if (get_user_u8(val, optval_addr))
1228 return -TARGET_EFAULT;
8853f86e
FB		 1229 }
1230 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1231 break;
b975b83b
LL		 1232 case IP_ADD_MEMBERSHIP:
1233 case IP_DROP_MEMBERSHIP:
1234 if (optlen < sizeof (struct target_ip_mreq) ||
1235 optlen > sizeof (struct target_ip_mreqn))
1236 return -TARGET_EINVAL;
1237
1238 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1239 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1240 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1241 break;
1242
6e3cb58f
LL		 1243 case IP_BLOCK_SOURCE:
1244 case IP_UNBLOCK_SOURCE:
1245 case IP_ADD_SOURCE_MEMBERSHIP:
1246 case IP_DROP_SOURCE_MEMBERSHIP:
1247 if (optlen != sizeof (struct target_ip_mreq_source))
1248 return -TARGET_EINVAL;
1249
1250 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1251 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1252 unlock_user (ip_mreq_source, optval_addr, 0);
1253 break;
1254
8853f86e
FB		 1255 default:
1256 goto unimplemented;
1257 }
1258 break;
3532fa74 1259 case TARGET_SOL_SOCKET:
8853f86e
FB		 1260 switch (optname) {
1261 /* Options with 'int' argument. */
3532fa74
FB		 1262 case TARGET_SO_DEBUG:
1263 optname = SO_DEBUG;
1264 break;
1265 case TARGET_SO_REUSEADDR:
1266 optname = SO_REUSEADDR;
1267 break;
1268 case TARGET_SO_TYPE:
1269 optname = SO_TYPE;
1270 break;
1271 case TARGET_SO_ERROR:
1272 optname = SO_ERROR;
1273 break;
1274 case TARGET_SO_DONTROUTE:
1275 optname = SO_DONTROUTE;
1276 break;
1277 case TARGET_SO_BROADCAST:
1278 optname = SO_BROADCAST;
1279 break;
1280 case TARGET_SO_SNDBUF:
1281 optname = SO_SNDBUF;
1282 break;
1283 case TARGET_SO_RCVBUF:
1284 optname = SO_RCVBUF;
1285 break;
1286 case TARGET_SO_KEEPALIVE:
1287 optname = SO_KEEPALIVE;
1288 break;
1289 case TARGET_SO_OOBINLINE:
1290 optname = SO_OOBINLINE;
1291 break;
1292 case TARGET_SO_NO_CHECK:
1293 optname = SO_NO_CHECK;
1294 break;
1295 case TARGET_SO_PRIORITY:
1296 optname = SO_PRIORITY;
1297 break;
5e83e8e3 1298#ifdef SO_BSDCOMPAT
3532fa74
FB		 1299 case TARGET_SO_BSDCOMPAT:
1300 optname = SO_BSDCOMPAT;
1301 break;
5e83e8e3 1302#endif
3532fa74
FB		 1303 case TARGET_SO_PASSCRED:
1304 optname = SO_PASSCRED;
1305 break;
1306 case TARGET_SO_TIMESTAMP:
1307 optname = SO_TIMESTAMP;
1308 break;
1309 case TARGET_SO_RCVLOWAT:
1310 optname = SO_RCVLOWAT;
1311 break;
1312 case TARGET_SO_RCVTIMEO:
1313 optname = SO_RCVTIMEO;
1314 break;
1315 case TARGET_SO_SNDTIMEO:
1316 optname = SO_SNDTIMEO;
1317 break;
8853f86e
FB		 1318 break;
1319 default:
1320 goto unimplemented;
1321 }
3532fa74 1322 if (optlen < sizeof(uint32_t))
2f619698 1323 return -TARGET_EINVAL;
3532fa74 1324
2f619698
FB		 1325 if (get_user_u32(val, optval_addr))
1326 return -TARGET_EFAULT;
3532fa74 1327 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1328 break;
7854b056 1329 default:
8853f86e
FB		 1330 unimplemented:
1331 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
6fa13c17 1332 ret = -TARGET_ENOPROTOOPT;
7854b056 1333 }
8853f86e 1334 return ret;
7854b056
FB		 1335}
1336
0da46a6e 1337/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1338static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1339 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1340{
992f48a0 1341 abi_long ret;
b55266b5
BS		 1342 int len, val;
1343 socklen_t lv;
8853f86e
FB		 1344
1345 switch(level) {
3532fa74
FB		 1346 case TARGET_SOL_SOCKET:
1347 level = SOL_SOCKET;
8853f86e 1348 switch (optname) {
3532fa74
FB		 1349 case TARGET_SO_LINGER:
1350 case TARGET_SO_RCVTIMEO:
1351 case TARGET_SO_SNDTIMEO:
1352 case TARGET_SO_PEERCRED:
1353 case TARGET_SO_PEERNAME:
8853f86e
FB		 1354 /* These don't just return a single integer */
1355 goto unimplemented;
1356 default:
2efbe911
FB		 1357 goto int_case;
1358 }
1359 break;
1360 case SOL_TCP:
1361 /* TCP options all take an 'int' value. */
1362 int_case:
2f619698
FB		 1363 if (get_user_u32(len, optlen))
1364 return -TARGET_EFAULT;
2efbe911 1365 if (len < 0)
0da46a6e 1366 return -TARGET_EINVAL;
2efbe911
FB		 1367 lv = sizeof(int);
1368 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1369 if (ret < 0)
1370 return ret;
2efbe911
FB		 1371 if (len > lv)
1372 len = lv;
2f619698
FB		 1373 if (len == 4) {
1374 if (put_user_u32(val, optval_addr))
1375 return -TARGET_EFAULT;
1376 } else {
1377 if (put_user_u8(val, optval_addr))
1378 return -TARGET_EFAULT;
1379 }
1380 if (put_user_u32(len, optlen))
1381 return -TARGET_EFAULT;
2efbe911
FB		 1382 break;
1383 case SOL_IP:
1384 switch(optname) {
1385 case IP_TOS:
1386 case IP_TTL:
1387 case IP_HDRINCL:
1388 case IP_ROUTER_ALERT:
1389 case IP_RECVOPTS:
1390 case IP_RETOPTS:
1391 case IP_PKTINFO:
1392 case IP_MTU_DISCOVER:
1393 case IP_RECVERR:
1394 case IP_RECVTOS:
1395#ifdef IP_FREEBIND
1396 case IP_FREEBIND:
1397#endif
1398 case IP_MULTICAST_TTL:
1399 case IP_MULTICAST_LOOP:
2f619698
FB		 1400 if (get_user_u32(len, optlen))
1401 return -TARGET_EFAULT;
8853f86e 1402 if (len < 0)
0da46a6e 1403 return -TARGET_EINVAL;
8853f86e
FB		 1404 lv = sizeof(int);
1405 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1406 if (ret < 0)
1407 return ret;
2efbe911 1408 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1409 len = 1;
2f619698
FB		 1410 if (put_user_u32(len, optlen)
1411 || put_user_u8(val, optval_addr))
1412 return -TARGET_EFAULT;
2efbe911 1413 } else {
2efbe911
FB		 1414 if (len > sizeof(int))
1415 len = sizeof(int);
2f619698
FB		 1416 if (put_user_u32(len, optlen)
1417 || put_user_u32(val, optval_addr))
1418 return -TARGET_EFAULT;
2efbe911 1419 }
8853f86e 1420 break;
2efbe911 1421 default:
c02f499e
TS		 1422 ret = -TARGET_ENOPROTOOPT;
1423 break;
8853f86e
FB		 1424 }
1425 break;
1426 default:
1427 unimplemented:
1428 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1429 level, optname);
c02f499e 1430 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1431 break;
1432 }
1433 return ret;
7854b056
FB		 1434}
1435
579a97f7
FB		 1436/* FIXME
1437 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1438 * other lock functions have a return code of 0 for failure.
1439 */
1440static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1441 int count, int copy)
53a5960a
PB		 1442{
1443 struct target_iovec *target_vec;
992f48a0 1444 abi_ulong base;
d732dcb4 1445 int i;
53a5960a 1446
579a97f7
FB		 1447 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1448 if (!target_vec)
1449 return -TARGET_EFAULT;
53a5960a
PB		 1450 for(i = 0;i < count; i++) {
1451 base = tswapl(target_vec[i].iov_base);
1452 vec[i].iov_len = tswapl(target_vec[i].iov_len);
41df8411
FB		 1453 if (vec[i].iov_len != 0) {
1454 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1455 /* Don't check lock_user return value. We must call writev even
1456 if a element has invalid base address. */
41df8411
FB		 1457 } else {
1458 /* zero length pointer is ignored */
1459 vec[i].iov_base = NULL;
1460 }
579a97f7
FB		 1461 }
1462 unlock_user (target_vec, target_addr, 0);
1463 return 0;
53a5960a
PB		 1464}
1465
579a97f7
FB		 1466static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1467 int count, int copy)
53a5960a
PB		 1468{
1469 struct target_iovec *target_vec;
992f48a0 1470 abi_ulong base;
53a5960a
PB		 1471 int i;
1472
579a97f7
FB		 1473 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1474 if (!target_vec)
1475 return -TARGET_EFAULT;
53a5960a 1476 for(i = 0;i < count; i++) {
d732dcb4
AZ		 1477 if (target_vec[i].iov_base) {
1478 base = tswapl(target_vec[i].iov_base);
1479 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1480 }
53a5960a
PB		 1481 }
1482 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1483
1484 return 0;
53a5960a
PB		 1485}
1486
0da46a6e 1487/* do_socket() Must return target values and target errnos. */
992f48a0 1488static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1489{
1490#if defined(TARGET_MIPS)
1491 switch(type) {
1492 case TARGET_SOCK_DGRAM:
1493 type = SOCK_DGRAM;
1494 break;
1495 case TARGET_SOCK_STREAM:
1496 type = SOCK_STREAM;
1497 break;
1498 case TARGET_SOCK_RAW:
1499 type = SOCK_RAW;
1500 break;
1501 case TARGET_SOCK_RDM:
1502 type = SOCK_RDM;
1503 break;
1504 case TARGET_SOCK_SEQPACKET:
1505 type = SOCK_SEQPACKET;
1506 break;
1507 case TARGET_SOCK_PACKET:
1508 type = SOCK_PACKET;
1509 break;
1510 }
1511#endif
12bc92ab
AZ		 1512 if (domain == PF_NETLINK)
1513 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1514 return get_errno(socket(domain, type, protocol));
1515}
1516
0da46a6e 1517/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1518static abi_long do_bind(int sockfd, abi_ulong target_addr,
1519 socklen_t addrlen)
3532fa74 1520{
8f7aeaf6 1521 void *addr;
917507b0 1522 abi_long ret;
8f7aeaf6 1523
be09ac41 1524 if (addrlen < 0)
8f7aeaf6
AJ		 1525 return -TARGET_EINVAL;
1526
607175e0 1527 addr = alloca(addrlen+1);
3b46e624 1528
917507b0
AP		 1529 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1530 if (ret)
1531 return ret;
1532
3532fa74
FB		 1533 return get_errno(bind(sockfd, addr, addrlen));
1534}
1535
0da46a6e 1536/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1537static abi_long do_connect(int sockfd, abi_ulong target_addr,
1538 socklen_t addrlen)
3532fa74 1539{
8f7aeaf6 1540 void *addr;
917507b0 1541 abi_long ret;
8f7aeaf6 1542
be09ac41 1543 if (addrlen < 0)
8f7aeaf6
AJ		 1544 return -TARGET_EINVAL;
1545
1546 addr = alloca(addrlen);
3b46e624 1547
917507b0
AP		 1548 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1549 if (ret)
1550 return ret;
1551
3532fa74
FB		 1552 return get_errno(connect(sockfd, addr, addrlen));
1553}
1554
0da46a6e 1555/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1556static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1557 int flags, int send)
3532fa74 1558{
6de645c7 1559 abi_long ret, len;
3532fa74
FB		 1560 struct target_msghdr *msgp;
1561 struct msghdr msg;
1562 int count;
1563 struct iovec *vec;
992f48a0 1564 abi_ulong target_vec;
3532fa74 1565
579a97f7
FB		 1566 /* FIXME */
1567 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1568 msgp,
1569 target_msg,
1570 send ? 1 : 0))
1571 return -TARGET_EFAULT;
3532fa74
FB		 1572 if (msgp->msg_name) {
1573 msg.msg_namelen = tswap32(msgp->msg_namelen);
1574 msg.msg_name = alloca(msg.msg_namelen);
917507b0 1575 ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
3532fa74 1576 msg.msg_namelen);
917507b0
AP		 1577 if (ret) {
1578 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1579 return ret;
1580 }
3532fa74
FB		 1581 } else {
1582 msg.msg_name = NULL;
1583 msg.msg_namelen = 0;
1584 }
1585 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1586 msg.msg_control = alloca(msg.msg_controllen);
1587 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1588
3532fa74
FB		 1589 count = tswapl(msgp->msg_iovlen);
1590 vec = alloca(count * sizeof(struct iovec));
1591 target_vec = tswapl(msgp->msg_iov);
579a97f7 1592 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1593 msg.msg_iovlen = count;
1594 msg.msg_iov = vec;
3b46e624 1595
3532fa74 1596 if (send) {
5a4a898d
FB		 1597 ret = target_to_host_cmsg(&msg, msgp);
1598 if (ret == 0)
1599 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1600 } else {
1601 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1602 if (!is_error(ret)) {
1603 len = ret;
5a4a898d 1604 ret = host_to_target_cmsg(msgp, &msg);
6de645c7
AZ		 1605 if (!is_error(ret))
1606 ret = len;
1607 }
3532fa74
FB		 1608 }
1609 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1610 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1611 return ret;
1612}
1613
0da46a6e 1614/* do_accept() Must return target values and target errnos. */
992f48a0 1615static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1616 abi_ulong target_addrlen_addr)
1be9e1dc 1617{
2f619698
FB		 1618 socklen_t addrlen;
1619 void *addr;
992f48a0 1620 abi_long ret;
1be9e1dc 1621
917507b0
AP		 1622 if (target_addr == 0)
1623 return get_errno(accept(fd, NULL, NULL));
1624
1625 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 1626 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 1627 return -TARGET_EINVAL;
2f619698 1628
be09ac41 1629 if (addrlen < 0)
8f7aeaf6
AJ		 1630 return -TARGET_EINVAL;
1631
917507b0
AP		 1632 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1633 return -TARGET_EINVAL;
1634
2f619698
FB		 1635 addr = alloca(addrlen);
1636
1be9e1dc
PB		 1637 ret = get_errno(accept(fd, addr, &addrlen));
1638 if (!is_error(ret)) {
1639 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1640 if (put_user_u32(addrlen, target_addrlen_addr))
1641 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1642 }
1643 return ret;
1644}
1645
0da46a6e 1646/* do_getpeername() Must return target values and target errnos. */
992f48a0 1647static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1648 abi_ulong target_addrlen_addr)
1be9e1dc 1649{
2f619698
FB		 1650 socklen_t addrlen;
1651 void *addr;
992f48a0 1652 abi_long ret;
1be9e1dc 1653
2f619698
FB		 1654 if (get_user_u32(addrlen, target_addrlen_addr))
1655 return -TARGET_EFAULT;
1656
be09ac41 1657 if (addrlen < 0)
8f7aeaf6
AJ		 1658 return -TARGET_EINVAL;
1659
917507b0
AP		 1660 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1661 return -TARGET_EFAULT;
1662
2f619698
FB		 1663 addr = alloca(addrlen);
1664
1be9e1dc
PB		 1665 ret = get_errno(getpeername(fd, addr, &addrlen));
1666 if (!is_error(ret)) {
1667 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1668 if (put_user_u32(addrlen, target_addrlen_addr))
1669 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1670 }
1671 return ret;
1672}
1673
0da46a6e 1674/* do_getsockname() Must return target values and target errnos. */
992f48a0 1675static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1676 abi_ulong target_addrlen_addr)
1be9e1dc 1677{
2f619698
FB		 1678 socklen_t addrlen;
1679 void *addr;
992f48a0 1680 abi_long ret;
1be9e1dc 1681
2f619698
FB		 1682 if (get_user_u32(addrlen, target_addrlen_addr))
1683 return -TARGET_EFAULT;
1684
be09ac41 1685 if (addrlen < 0)
8f7aeaf6
AJ		 1686 return -TARGET_EINVAL;
1687
917507b0
AP		 1688 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1689 return -TARGET_EFAULT;
1690
2f619698
FB		 1691 addr = alloca(addrlen);
1692
1be9e1dc
PB		 1693 ret = get_errno(getsockname(fd, addr, &addrlen));
1694 if (!is_error(ret)) {
1695 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1696 if (put_user_u32(addrlen, target_addrlen_addr))
1697 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1698 }
1699 return ret;
1700}
1701
0da46a6e 1702/* do_socketpair() Must return target values and target errnos. */
992f48a0 1703static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1704 abi_ulong target_tab_addr)
1be9e1dc
PB		 1705{
1706 int tab[2];
992f48a0 1707 abi_long ret;
1be9e1dc
PB		 1708
1709 ret = get_errno(socketpair(domain, type, protocol, tab));
1710 if (!is_error(ret)) {
2f619698
FB		 1711 if (put_user_s32(tab[0], target_tab_addr)
1712 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1713 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1714 }
1715 return ret;
1716}
1717
0da46a6e 1718/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1719static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1720 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1721{
1722 void *addr;
1723 void *host_msg;
992f48a0 1724 abi_long ret;
1be9e1dc 1725
be09ac41 1726 if (addrlen < 0)
8f7aeaf6
AJ		 1727 return -TARGET_EINVAL;
1728
579a97f7
FB		 1729 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1730 if (!host_msg)
1731 return -TARGET_EFAULT;
1be9e1dc
PB		 1732 if (target_addr) {
1733 addr = alloca(addrlen);
917507b0
AP		 1734 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1735 if (ret) {
1736 unlock_user(host_msg, msg, 0);
1737 return ret;
1738 }
1be9e1dc
PB		 1739 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1740 } else {
1741 ret = get_errno(send(fd, host_msg, len, flags));
1742 }
1743 unlock_user(host_msg, msg, 0);
1744 return ret;
1745}
1746
0da46a6e 1747/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 1748static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1749 abi_ulong target_addr,
1750 abi_ulong target_addrlen)
1be9e1dc
PB		 1751{
1752 socklen_t addrlen;
1753 void *addr;
1754 void *host_msg;
992f48a0 1755 abi_long ret;
1be9e1dc 1756
579a97f7
FB		 1757 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1758 if (!host_msg)
1759 return -TARGET_EFAULT;
1be9e1dc 1760 if (target_addr) {
2f619698
FB		 1761 if (get_user_u32(addrlen, target_addrlen)) {
1762 ret = -TARGET_EFAULT;
1763 goto fail;
1764 }
be09ac41 1765 if (addrlen < 0) {
8f7aeaf6
AJ		 1766 ret = -TARGET_EINVAL;
1767 goto fail;
1768 }
1be9e1dc
PB		 1769 addr = alloca(addrlen);
1770 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1771 } else {
1772 addr = NULL; /* To keep compiler quiet. */
1773 ret = get_errno(recv(fd, host_msg, len, flags));
1774 }
1775 if (!is_error(ret)) {
1776 if (target_addr) {
1777 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1778 if (put_user_u32(addrlen, target_addrlen)) {
1779 ret = -TARGET_EFAULT;
1780 goto fail;
1781 }
1be9e1dc
PB		 1782 }
1783 unlock_user(host_msg, msg, len);
1784 } else {
2f619698 1785fail:
1be9e1dc
PB		 1786 unlock_user(host_msg, msg, 0);
1787 }
1788 return ret;
1789}
1790
32407103 1791#ifdef TARGET_NR_socketcall
0da46a6e 1792/* do_socketcall() Must return target values and target errnos. */
992f48a0 1793static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 1794{
992f48a0
BS		 1795 abi_long ret;
1796 const int n = sizeof(abi_ulong);
31e31b8a
FB		 1797
1798 switch(num) {
1799 case SOCKOP_socket:
7854b056 1800 {
98818189 1801 abi_ulong domain, type, protocol;
2f619698 1802
98818189
UH		 1803 if (get_user_ual(domain, vptr)
1804 || get_user_ual(type, vptr + n)
1805 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 1806 return -TARGET_EFAULT;
1807
3532fa74 1808 ret = do_socket(domain, type, protocol);
7854b056 1809 }
31e31b8a
FB		 1810 break;
1811 case SOCKOP_bind:
7854b056 1812 {
98818189 1813 abi_ulong sockfd;
2f619698
FB		 1814 abi_ulong target_addr;
1815 socklen_t addrlen;
1816
98818189 1817 if (get_user_ual(sockfd, vptr)
2f619698 1818 || get_user_ual(target_addr, vptr + n)
98818189 1819 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1820 return -TARGET_EFAULT;
1821
3532fa74 1822 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1823 }
31e31b8a
FB		 1824 break;
1825 case SOCKOP_connect:
7854b056 1826 {
98818189 1827 abi_ulong sockfd;
2f619698
FB		 1828 abi_ulong target_addr;
1829 socklen_t addrlen;
1830
98818189 1831 if (get_user_ual(sockfd, vptr)
2f619698 1832 || get_user_ual(target_addr, vptr + n)
98818189 1833 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1834 return -TARGET_EFAULT;
1835
3532fa74 1836 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1837 }
31e31b8a
FB		 1838 break;
1839 case SOCKOP_listen:
7854b056 1840 {
98818189 1841 abi_ulong sockfd, backlog;
2f619698 1842
98818189
UH		 1843 if (get_user_ual(sockfd, vptr)
1844 || get_user_ual(backlog, vptr + n))
2f619698
FB		 1845 return -TARGET_EFAULT;
1846
7854b056
FB		 1847 ret = get_errno(listen(sockfd, backlog));
1848 }
31e31b8a
FB		 1849 break;
1850 case SOCKOP_accept:
1851 {
98818189 1852 abi_ulong sockfd;
2f619698
FB		 1853 abi_ulong target_addr, target_addrlen;
1854
98818189 1855 if (get_user_ual(sockfd, vptr)
2f619698 1856 || get_user_ual(target_addr, vptr + n)
98818189 1857 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1858 return -TARGET_EFAULT;
1859
1be9e1dc 1860 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1861 }
1862 break;
1863 case SOCKOP_getsockname:
1864 {
98818189 1865 abi_ulong sockfd;
2f619698
FB		 1866 abi_ulong target_addr, target_addrlen;
1867
98818189 1868 if (get_user_ual(sockfd, vptr)
2f619698 1869 || get_user_ual(target_addr, vptr + n)
98818189 1870 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1871 return -TARGET_EFAULT;
1872
1be9e1dc 1873 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1874 }
1875 break;
1876 case SOCKOP_getpeername:
1877 {
98818189 1878 abi_ulong sockfd;
2f619698
FB		 1879 abi_ulong target_addr, target_addrlen;
1880
98818189 1881 if (get_user_ual(sockfd, vptr)
2f619698 1882 || get_user_ual(target_addr, vptr + n)
98818189 1883 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1884 return -TARGET_EFAULT;
1885
1be9e1dc 1886 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1887 }
1888 break;
1889 case SOCKOP_socketpair:
1890 {
98818189 1891 abi_ulong domain, type, protocol;
2f619698
FB		 1892 abi_ulong tab;
1893
98818189
UH		 1894 if (get_user_ual(domain, vptr)
1895 || get_user_ual(type, vptr + n)
1896 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 1897 || get_user_ual(tab, vptr + 3 * n))
1898 return -TARGET_EFAULT;
1899
1be9e1dc 1900 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1901 }
1902 break;
1903 case SOCKOP_send:
7854b056 1904 {
98818189 1905 abi_ulong sockfd;
2f619698
FB		 1906 abi_ulong msg;
1907 size_t len;
98818189 1908 abi_ulong flags;
2f619698 1909
98818189 1910 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1911 || get_user_ual(msg, vptr + n)
1912 || get_user_ual(len, vptr + 2 * n)
98818189 1913 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 1914 return -TARGET_EFAULT;
1915
1be9e1dc 1916 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1917 }
31e31b8a
FB		 1918 break;
1919 case SOCKOP_recv:
7854b056 1920 {
98818189 1921 abi_ulong sockfd;
2f619698
FB		 1922 abi_ulong msg;
1923 size_t len;
98818189 1924 abi_ulong flags;
2f619698 1925
98818189 1926 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1927 || get_user_ual(msg, vptr + n)
1928 || get_user_ual(len, vptr + 2 * n)
98818189 1929 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 1930 return -TARGET_EFAULT;
1931
1be9e1dc 1932 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1933 }
31e31b8a
FB		 1934 break;
1935 case SOCKOP_sendto:
7854b056 1936 {
98818189 1937 abi_ulong sockfd;
2f619698
FB		 1938 abi_ulong msg;
1939 size_t len;
98818189 1940 abi_ulong flags;
2f619698
FB		 1941 abi_ulong addr;
1942 socklen_t addrlen;
1943
98818189 1944 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1945 || get_user_ual(msg, vptr + n)
1946 || get_user_ual(len, vptr + 2 * n)
98818189 1947 || get_user_ual(flags, vptr + 3 * n)
2f619698 1948 || get_user_ual(addr, vptr + 4 * n)
98818189 1949 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 1950 return -TARGET_EFAULT;
1951
1be9e1dc 1952 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1953 }
31e31b8a
FB		 1954 break;
1955 case SOCKOP_recvfrom:
1956 {
98818189 1957 abi_ulong sockfd;
2f619698
FB		 1958 abi_ulong msg;
1959 size_t len;
98818189 1960 abi_ulong flags;
2f619698
FB		 1961 abi_ulong addr;
1962 socklen_t addrlen;
1963
98818189 1964 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1965 || get_user_ual(msg, vptr + n)
1966 || get_user_ual(len, vptr + 2 * n)
98818189 1967 || get_user_ual(flags, vptr + 3 * n)
2f619698 1968 || get_user_ual(addr, vptr + 4 * n)
98818189 1969 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 1970 return -TARGET_EFAULT;
1971
1be9e1dc 1972 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1973 }
1974 break;
1975 case SOCKOP_shutdown:
7854b056 1976 {
98818189 1977 abi_ulong sockfd, how;
2f619698 1978
98818189
UH		 1979 if (get_user_ual(sockfd, vptr)
1980 || get_user_ual(how, vptr + n))
2f619698 1981 return -TARGET_EFAULT;
7854b056
FB		 1982
1983 ret = get_errno(shutdown(sockfd, how));
1984 }
31e31b8a
FB		 1985 break;
1986 case SOCKOP_sendmsg:
1987 case SOCKOP_recvmsg:
1a9353d2 1988 {
98818189 1989 abi_ulong fd;
992f48a0 1990 abi_ulong target_msg;
98818189 1991 abi_ulong flags;
1a9353d2 1992
98818189 1993 if (get_user_ual(fd, vptr)
2f619698 1994 || get_user_ual(target_msg, vptr + n)
98818189 1995 || get_user_ual(flags, vptr + 2 * n))
2f619698 1996 return -TARGET_EFAULT;
3532fa74 1997
5fafdf24 1998 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 1999 (num == SOCKOP_sendmsg));
1a9353d2
FB		 2000 }
2001 break;
31e31b8a 2002 case SOCKOP_setsockopt:
7854b056 2003 {
98818189
UH		 2004 abi_ulong sockfd;
2005 abi_ulong level;
2006 abi_ulong optname;
2f619698
FB		 2007 abi_ulong optval;
2008 socklen_t optlen;
2009
98818189
UH		 2010 if (get_user_ual(sockfd, vptr)
2011 || get_user_ual(level, vptr + n)
2012 || get_user_ual(optname, vptr + 2 * n)
2f619698 2013 || get_user_ual(optval, vptr + 3 * n)
98818189 2014 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2015 return -TARGET_EFAULT;
7854b056
FB		 2016
2017 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2018 }
2019 break;
31e31b8a 2020 case SOCKOP_getsockopt:
7854b056 2021 {
98818189
UH		 2022 abi_ulong sockfd;
2023 abi_ulong level;
2024 abi_ulong optname;
2f619698
FB		 2025 abi_ulong optval;
2026 socklen_t optlen;
2027
98818189
UH		 2028 if (get_user_ual(sockfd, vptr)
2029 || get_user_ual(level, vptr + n)
2030 || get_user_ual(optname, vptr + 2 * n)
2f619698 2031 || get_user_ual(optval, vptr + 3 * n)
98818189 2032 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2033 return -TARGET_EFAULT;
7854b056 2034
2f619698 2035 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2036 }
2037 break;
31e31b8a
FB		 2038 default:
2039 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2040 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2041 break;
2042 }
2043 return ret;
2044}
32407103 2045#endif
31e31b8a 2046
8853f86e
FB		 2047#define N_SHM_REGIONS 32
2048
2049static struct shm_region {
5a4a898d
FB		 2050 abi_ulong start;
2051 abi_ulong size;
8853f86e
FB		 2052} shm_regions[N_SHM_REGIONS];
2053
3eb6b044
TS		 2054struct target_ipc_perm
2055{
992f48a0
BS		 2056 abi_long __key;
2057 abi_ulong uid;
2058 abi_ulong gid;
2059 abi_ulong cuid;
2060 abi_ulong cgid;
3eb6b044
TS		 2061 unsigned short int mode;
2062 unsigned short int __pad1;
2063 unsigned short int __seq;
2064 unsigned short int __pad2;
992f48a0
BS		 2065 abi_ulong __unused1;
2066 abi_ulong __unused2;
3eb6b044
TS		 2067};
2068
2069struct target_semid_ds
2070{
2071 struct target_ipc_perm sem_perm;
992f48a0
BS		 2072 abi_ulong sem_otime;
2073 abi_ulong __unused1;
2074 abi_ulong sem_ctime;
2075 abi_ulong __unused2;
2076 abi_ulong sem_nsems;
2077 abi_ulong __unused3;
2078 abi_ulong __unused4;
3eb6b044
TS		 2079};
2080
579a97f7
FB		 2081static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2082 abi_ulong target_addr)
3eb6b044
TS		 2083{
2084 struct target_ipc_perm *target_ip;
2085 struct target_semid_ds *target_sd;
2086
579a97f7
FB		 2087 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2088 return -TARGET_EFAULT;
e8bbe36c 2089 target_ip = &(target_sd->sem_perm);
3eb6b044
TS		 2090 host_ip->__key = tswapl(target_ip->__key);
2091 host_ip->uid = tswapl(target_ip->uid);
2092 host_ip->gid = tswapl(target_ip->gid);
2093 host_ip->cuid = tswapl(target_ip->cuid);
2094 host_ip->cgid = tswapl(target_ip->cgid);
2095 host_ip->mode = tswapl(target_ip->mode);
2096 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2097 return 0;
3eb6b044
TS		 2098}
2099
579a97f7
FB		 2100static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2101 struct ipc_perm *host_ip)
3eb6b044
TS		 2102{
2103 struct target_ipc_perm *target_ip;
2104 struct target_semid_ds *target_sd;
2105
579a97f7
FB		 2106 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2107 return -TARGET_EFAULT;
3eb6b044
TS		 2108 target_ip = &(target_sd->sem_perm);
2109 target_ip->__key = tswapl(host_ip->__key);
2110 target_ip->uid = tswapl(host_ip->uid);
2111 target_ip->gid = tswapl(host_ip->gid);
2112 target_ip->cuid = tswapl(host_ip->cuid);
2113 target_ip->cgid = tswapl(host_ip->cgid);
2114 target_ip->mode = tswapl(host_ip->mode);
2115 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2116 return 0;
3eb6b044
TS		 2117}
2118
579a97f7
FB		 2119static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2120 abi_ulong target_addr)
3eb6b044
TS		 2121{
2122 struct target_semid_ds *target_sd;
2123
579a97f7
FB		 2124 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2125 return -TARGET_EFAULT;
e5289087
AJ		 2126 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2127 return -TARGET_EFAULT;
3eb6b044
TS		 2128 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2129 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2130 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2131 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2132 return 0;
3eb6b044
TS		 2133}
2134
579a97f7
FB		 2135static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2136 struct semid_ds *host_sd)
3eb6b044
TS		 2137{
2138 struct target_semid_ds *target_sd;
2139
579a97f7
FB		 2140 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2141 return -TARGET_EFAULT;
e5289087
AJ		 2142 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2143 return -TARGET_EFAULT;;
3eb6b044
TS		 2144 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2145 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2146 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2147 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2148 return 0;
3eb6b044
TS		 2149}
2150
e5289087
AJ		 2151struct target_seminfo {
2152 int semmap;
2153 int semmni;
2154 int semmns;
2155 int semmnu;
2156 int semmsl;
2157 int semopm;
2158 int semume;
2159 int semusz;
2160 int semvmx;
2161 int semaem;
2162};
2163
2164static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2165 struct seminfo *host_seminfo)
2166{
2167 struct target_seminfo *target_seminfo;
2168 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2169 return -TARGET_EFAULT;
2170 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2171 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2172 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2173 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2174 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2175 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2176 __put_user(host_seminfo->semume, &target_seminfo->semume);
2177 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2178 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2179 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2180 unlock_user_struct(target_seminfo, target_addr, 1);
2181 return 0;
2182}
2183
fa294816
TS		 2184union semun {
2185 int val;
3eb6b044 2186 struct semid_ds *buf;
fa294816 2187 unsigned short *array;
e5289087 2188 struct seminfo *__buf;
fa294816
TS		 2189};
2190
3eb6b044
TS		 2191union target_semun {
2192 int val;
e5289087
AJ		 2193 abi_ulong buf;
2194 abi_ulong array;
2195 abi_ulong __buf;
3eb6b044
TS		 2196};
2197
e5289087
AJ		 2198static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2199 abi_ulong target_addr)
3eb6b044 2200{
e5289087
AJ		 2201 int nsems;
2202 unsigned short *array;
2203 union semun semun;
2204 struct semid_ds semid_ds;
2205 int i, ret;
3eb6b044 2206
e5289087
AJ		 2207 semun.buf = &semid_ds;
2208
2209 ret = semctl(semid, 0, IPC_STAT, semun);
2210 if (ret == -1)
2211 return get_errno(ret);
2212
2213 nsems = semid_ds.sem_nsems;
2214
2215 *host_array = malloc(nsems*sizeof(unsigned short));
2216 array = lock_user(VERIFY_READ, target_addr,
2217 nsems*sizeof(unsigned short), 1);
2218 if (!array)
2219 return -TARGET_EFAULT;
2220
2221 for(i=0; i<nsems; i++) {
2222 __get_user((*host_array)[i], &array[i]);
3eb6b044 2223 }
e5289087
AJ		 2224 unlock_user(array, target_addr, 0);
2225
579a97f7 2226 return 0;
3eb6b044
TS		 2227}
2228
e5289087
AJ		 2229static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2230 unsigned short **host_array)
3eb6b044 2231{
e5289087
AJ		 2232 int nsems;
2233 unsigned short *array;
2234 union semun semun;
2235 struct semid_ds semid_ds;
2236 int i, ret;
3eb6b044 2237
e5289087
AJ		 2238 semun.buf = &semid_ds;
2239
2240 ret = semctl(semid, 0, IPC_STAT, semun);
2241 if (ret == -1)
2242 return get_errno(ret);
2243
2244 nsems = semid_ds.sem_nsems;
2245
2246 array = lock_user(VERIFY_WRITE, target_addr,
2247 nsems*sizeof(unsigned short), 0);
2248 if (!array)
2249 return -TARGET_EFAULT;
2250
2251 for(i=0; i<nsems; i++) {
2252 __put_user((*host_array)[i], &array[i]);
3eb6b044 2253 }
e5289087
AJ		 2254 free(*host_array);
2255 unlock_user(array, target_addr, 1);
2256
579a97f7 2257 return 0;
3eb6b044
TS		 2258}
2259
e5289087
AJ		 2260static inline abi_long do_semctl(int semid, int semnum, int cmd,
2261 union target_semun target_su)
3eb6b044
TS		 2262{
2263 union semun arg;
2264 struct semid_ds dsarg;
7b8118e8 2265 unsigned short *array = NULL;
e5289087
AJ		 2266 struct seminfo seminfo;
2267 abi_long ret = -TARGET_EINVAL;
2268 abi_long err;
2269 cmd &= 0xff;
3eb6b044
TS		 2270
2271 switch( cmd ) {
2272 case GETVAL:
3eb6b044 2273 case SETVAL:
e5289087
AJ		 2274 arg.val = tswapl(target_su.val);
2275 ret = get_errno(semctl(semid, semnum, cmd, arg));
2276 target_su.val = tswapl(arg.val);
3eb6b044
TS		 2277 break;
2278 case GETALL:
3eb6b044 2279 case SETALL:
e5289087
AJ		 2280 err = target_to_host_semarray(semid, &array, target_su.array);
2281 if (err)
2282 return err;
2283 arg.array = array;
2284 ret = get_errno(semctl(semid, semnum, cmd, arg));
2285 err = host_to_target_semarray(semid, target_su.array, &array);
2286 if (err)
2287 return err;
3eb6b044
TS		 2288 break;
2289 case IPC_STAT:
3eb6b044 2290 case IPC_SET:
e5289087
AJ		 2291 case SEM_STAT:
2292 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2293 if (err)
2294 return err;
2295 arg.buf = &dsarg;
2296 ret = get_errno(semctl(semid, semnum, cmd, arg));
2297 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2298 if (err)
2299 return err;
2300 break;
2301 case IPC_INFO:
2302 case SEM_INFO:
2303 arg.__buf = &seminfo;
2304 ret = get_errno(semctl(semid, semnum, cmd, arg));
2305 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2306 if (err)
2307 return err;
2308 break;
2309 case IPC_RMID:
2310 case GETPID:
2311 case GETNCNT:
2312 case GETZCNT:
2313 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2314 break;
3eb6b044
TS		 2315 }
2316
2317 return ret;
2318}
2319
e5289087
AJ		 2320struct target_sembuf {
2321 unsigned short sem_num;
2322 short sem_op;
2323 short sem_flg;
2324};
2325
2326static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2327 abi_ulong target_addr,
2328 unsigned nsops)
2329{
2330 struct target_sembuf *target_sembuf;
2331 int i;
2332
2333 target_sembuf = lock_user(VERIFY_READ, target_addr,
2334 nsops*sizeof(struct target_sembuf), 1);
2335 if (!target_sembuf)
2336 return -TARGET_EFAULT;
2337
2338 for(i=0; i<nsops; i++) {
2339 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2340 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2341 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2342 }
2343
2344 unlock_user(target_sembuf, target_addr, 0);
2345
2346 return 0;
2347}
2348
2349static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2350{
2351 struct sembuf sops[nsops];
2352
2353 if (target_to_host_sembuf(sops, ptr, nsops))
2354 return -TARGET_EFAULT;
2355
2356 return semop(semid, sops, nsops);
2357}
2358
1bc012f6
TS		 2359struct target_msqid_ds
2360{
1c54ff97
AJ		 2361 struct target_ipc_perm msg_perm;
2362 abi_ulong msg_stime;
2363#if TARGET_ABI_BITS == 32
2364 abi_ulong __unused1;
2365#endif
2366 abi_ulong msg_rtime;
2367#if TARGET_ABI_BITS == 32
2368 abi_ulong __unused2;
2369#endif
2370 abi_ulong msg_ctime;
2371#if TARGET_ABI_BITS == 32
2372 abi_ulong __unused3;
2373#endif
2374 abi_ulong __msg_cbytes;
2375 abi_ulong msg_qnum;
2376 abi_ulong msg_qbytes;
2377 abi_ulong msg_lspid;
2378 abi_ulong msg_lrpid;
2379 abi_ulong __unused4;
2380 abi_ulong __unused5;
1bc012f6
TS		 2381};
2382
579a97f7
FB		 2383static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2384 abi_ulong target_addr)
1bc012f6
TS		 2385{
2386 struct target_msqid_ds *target_md;
2387
579a97f7
FB		 2388 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2389 return -TARGET_EFAULT;
1c54ff97
AJ		 2390 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2391 return -TARGET_EFAULT;
1bc012f6
TS		 2392 host_md->msg_stime = tswapl(target_md->msg_stime);
2393 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2394 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2395 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2396 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2397 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2398 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2399 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2400 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2401 return 0;
1bc012f6
TS		 2402}
2403
579a97f7
FB		 2404static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2405 struct msqid_ds *host_md)
1bc012f6
TS		 2406{
2407 struct target_msqid_ds *target_md;
2408
579a97f7
FB		 2409 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2410 return -TARGET_EFAULT;
1c54ff97
AJ		 2411 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2412 return -TARGET_EFAULT;
1bc012f6
TS		 2413 target_md->msg_stime = tswapl(host_md->msg_stime);
2414 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2415 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2416 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2417 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2418 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2419 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2420 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2421 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2422 return 0;
1bc012f6
TS		 2423}
2424
1c54ff97
AJ		 2425struct target_msginfo {
2426 int msgpool;
2427 int msgmap;
2428 int msgmax;
2429 int msgmnb;
2430 int msgmni;
2431 int msgssz;
2432 int msgtql;
2433 unsigned short int msgseg;
2434};
2435
2436static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2437 struct msginfo *host_msginfo)
2438{
2439 struct target_msginfo *target_msginfo;
2440 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2441 return -TARGET_EFAULT;
2442 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2443 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2444 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2445 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2446 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2447 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2448 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2449 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2450 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2451 return 0;
1c54ff97
AJ		 2452}
2453
2454static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2455{
2456 struct msqid_ds dsarg;
1c54ff97
AJ		 2457 struct msginfo msginfo;
2458 abi_long ret = -TARGET_EINVAL;
2459
2460 cmd &= 0xff;
2461
2462 switch (cmd) {
1bc012f6
TS		 2463 case IPC_STAT:
2464 case IPC_SET:
1c54ff97
AJ		 2465 case MSG_STAT:
2466 if (target_to_host_msqid_ds(&dsarg,ptr))
2467 return -TARGET_EFAULT;
2468 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2469 if (host_to_target_msqid_ds(ptr,&dsarg))
2470 return -TARGET_EFAULT;
2471 break;
2472 case IPC_RMID:
2473 ret = get_errno(msgctl(msgid, cmd, NULL));
2474 break;
2475 case IPC_INFO:
2476 case MSG_INFO:
2477 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2478 if (host_to_target_msginfo(ptr, &msginfo))
2479 return -TARGET_EFAULT;
2480 break;
1bc012f6 2481 }
1c54ff97 2482
1bc012f6
TS		 2483 return ret;
2484}
2485
2486struct target_msgbuf {
1c54ff97
AJ		 2487 abi_long mtype;
2488 char mtext[1];
1bc012f6
TS		 2489};
2490
992f48a0
BS		 2491static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2492 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2493{
2494 struct target_msgbuf *target_mb;
2495 struct msgbuf *host_mb;
992f48a0 2496 abi_long ret = 0;
1bc012f6 2497
579a97f7
FB		 2498 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2499 return -TARGET_EFAULT;
1bc012f6 2500 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2501 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2502 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2503 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2504 free(host_mb);
2505 unlock_user_struct(target_mb, msgp, 0);
2506
2507 return ret;
2508}
2509
992f48a0 2510static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2511 unsigned int msgsz, abi_long msgtyp,
992f48a0 2512 int msgflg)
1bc012f6
TS		 2513{
2514 struct target_msgbuf *target_mb;
579a97f7 2515 char *target_mtext;
1bc012f6 2516 struct msgbuf *host_mb;
992f48a0 2517 abi_long ret = 0;
1bc012f6 2518
579a97f7
FB		 2519 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2520 return -TARGET_EFAULT;
1c54ff97 2521
1bc012f6 2522 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2523 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2524
579a97f7
FB		 2525 if (ret > 0) {
2526 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2527 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2528 if (!target_mtext) {
2529 ret = -TARGET_EFAULT;
2530 goto end;
2531 }
1c54ff97 2532 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2533 unlock_user(target_mtext, target_mtext_addr, ret);
2534 }
1c54ff97 2535
1bc012f6
TS		 2536 target_mb->mtype = tswapl(host_mb->mtype);
2537 free(host_mb);
1bc012f6 2538
579a97f7
FB		 2539end:
2540 if (target_mb)
2541 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 2542 return ret;
2543}
2544
88a8c984
RV		 2545struct target_shmid_ds
2546{
2547 struct target_ipc_perm shm_perm;
2548 abi_ulong shm_segsz;
2549 abi_ulong shm_atime;
2550#if TARGET_ABI_BITS == 32
2551 abi_ulong __unused1;
2552#endif
2553 abi_ulong shm_dtime;
2554#if TARGET_ABI_BITS == 32
2555 abi_ulong __unused2;
2556#endif
2557 abi_ulong shm_ctime;
2558#if TARGET_ABI_BITS == 32
2559 abi_ulong __unused3;
2560#endif
2561 int shm_cpid;
2562 int shm_lpid;
2563 abi_ulong shm_nattch;
2564 unsigned long int __unused4;
2565 unsigned long int __unused5;
2566};
2567
2568static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2569 abi_ulong target_addr)
2570{
2571 struct target_shmid_ds *target_sd;
2572
2573 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2574 return -TARGET_EFAULT;
2575 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2576 return -TARGET_EFAULT;
2577 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2578 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2579 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2580 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2581 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2582 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2583 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2584 unlock_user_struct(target_sd, target_addr, 0);
2585 return 0;
2586}
2587
2588static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2589 struct shmid_ds *host_sd)
2590{
2591 struct target_shmid_ds *target_sd;
2592
2593 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2594 return -TARGET_EFAULT;
2595 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2596 return -TARGET_EFAULT;
2597 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2598 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2599 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2600 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2601 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2602 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2603 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2604 unlock_user_struct(target_sd, target_addr, 1);
2605 return 0;
2606}
2607
2608struct target_shminfo {
2609 abi_ulong shmmax;
2610 abi_ulong shmmin;
2611 abi_ulong shmmni;
2612 abi_ulong shmseg;
2613 abi_ulong shmall;
2614};
2615
2616static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2617 struct shminfo *host_shminfo)
2618{
2619 struct target_shminfo *target_shminfo;
2620 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2621 return -TARGET_EFAULT;
2622 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2623 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2624 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2625 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2626 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2627 unlock_user_struct(target_shminfo, target_addr, 1);
2628 return 0;
2629}
2630
2631struct target_shm_info {
2632 int used_ids;
2633 abi_ulong shm_tot;
2634 abi_ulong shm_rss;
2635 abi_ulong shm_swp;
2636 abi_ulong swap_attempts;
2637 abi_ulong swap_successes;
2638};
2639
2640static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2641 struct shm_info *host_shm_info)
2642{
2643 struct target_shm_info *target_shm_info;
2644 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2645 return -TARGET_EFAULT;
2646 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2647 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2648 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2649 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2650 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2651 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2652 unlock_user_struct(target_shm_info, target_addr, 1);
2653 return 0;
2654}
2655
2656static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2657{
2658 struct shmid_ds dsarg;
2659 struct shminfo shminfo;
2660 struct shm_info shm_info;
2661 abi_long ret = -TARGET_EINVAL;
2662
2663 cmd &= 0xff;
2664
2665 switch(cmd) {
2666 case IPC_STAT:
2667 case IPC_SET:
2668 case SHM_STAT:
2669 if (target_to_host_shmid_ds(&dsarg, buf))
2670 return -TARGET_EFAULT;
2671 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2672 if (host_to_target_shmid_ds(buf, &dsarg))
2673 return -TARGET_EFAULT;
2674 break;
2675 case IPC_INFO:
2676 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2677 if (host_to_target_shminfo(buf, &shminfo))
2678 return -TARGET_EFAULT;
2679 break;
2680 case SHM_INFO:
2681 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2682 if (host_to_target_shm_info(buf, &shm_info))
2683 return -TARGET_EFAULT;
2684 break;
2685 case IPC_RMID:
2686 case SHM_LOCK:
2687 case SHM_UNLOCK:
2688 ret = get_errno(shmctl(shmid, cmd, NULL));
2689 break;
2690 }
2691
2692 return ret;
2693}
2694
2695static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2696{
2697 abi_long raddr;
2698 void *host_raddr;
2699 struct shmid_ds shm_info;
2700 int i,ret;
2701
2702 /* find out the length of the shared memory segment */
2703 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2704 if (is_error(ret)) {
2705 /* can't get length, bail out */
2706 return ret;
2707 }
2708
2709 mmap_lock();
2710
2711 if (shmaddr)
2712 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2713 else {
2714 abi_ulong mmap_start;
2715
2716 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2717
2718 if (mmap_start == -1) {
2719 errno = ENOMEM;
2720 host_raddr = (void *)-1;
2721 } else
2722 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2723 }
2724
2725 if (host_raddr == (void *)-1) {
2726 mmap_unlock();
2727 return get_errno((long)host_raddr);
2728 }
2729 raddr=h2g((unsigned long)host_raddr);
2730
2731 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2732 PAGE_VALID | PAGE_READ |
2733 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2734
2735 for (i = 0; i < N_SHM_REGIONS; i++) {
2736 if (shm_regions[i].start == 0) {
2737 shm_regions[i].start = raddr;
2738 shm_regions[i].size = shm_info.shm_segsz;
2739 break;
2740 }
2741 }
2742
2743 mmap_unlock();
2744 return raddr;
2745
2746}
2747
2748static inline abi_long do_shmdt(abi_ulong shmaddr)
2749{
2750 int i;
2751
2752 for (i = 0; i < N_SHM_REGIONS; ++i) {
2753 if (shm_regions[i].start == shmaddr) {
2754 shm_regions[i].start = 0;
2755 page_set_flags(shmaddr, shm_regions[i].size, 0);
2756 break;
2757 }
2758 }
2759
2760 return get_errno(shmdt(g2h(shmaddr)));
2761}
2762
1c54ff97 2763#ifdef TARGET_NR_ipc
53a5960a 2764/* ??? This only works with linear mappings. */
0da46a6e 2765/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 2766static abi_long do_ipc(unsigned int call, int first,
2767 int second, int third,
2768 abi_long ptr, abi_long fifth)
8853f86e
FB		 2769{
2770 int version;
992f48a0 2771 abi_long ret = 0;
8853f86e
FB		 2772
2773 version = call >> 16;
2774 call &= 0xffff;
2775
2776 switch (call) {
fa294816 2777 case IPCOP_semop:
e5289087 2778 ret = do_semop(first, ptr, second);
fa294816
TS		 2779 break;
2780
2781 case IPCOP_semget:
2782 ret = get_errno(semget(first, second, third));
2783 break;
2784
2785 case IPCOP_semctl:
e5289087 2786 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 2787 break;
d96372ef 2788
1c54ff97
AJ		 2789 case IPCOP_msgget:
2790 ret = get_errno(msgget(first, second));
2791 break;
d96372ef 2792
1c54ff97
AJ		 2793 case IPCOP_msgsnd:
2794 ret = do_msgsnd(first, ptr, second, third);
2795 break;
d96372ef 2796
1c54ff97
AJ		 2797 case IPCOP_msgctl:
2798 ret = do_msgctl(first, second, ptr);
2799 break;
d96372ef 2800
1c54ff97
AJ		 2801 case IPCOP_msgrcv:
2802 switch (version) {
2803 case 0:
2804 {
2805 struct target_ipc_kludge {
2806 abi_long msgp;
2807 abi_long msgtyp;
2808 } *tmp;
2809
2810 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2811 ret = -TARGET_EFAULT;
2812 break;
2813 }
d96372ef 2814
1c54ff97 2815 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 2816
1c54ff97
AJ		 2817 unlock_user_struct(tmp, ptr, 0);
2818 break;
2819 }
2820 default:
2821 ret = do_msgrcv(first, ptr, second, fifth, third);
2822 }
2823 break;
d96372ef 2824
8853f86e 2825 case IPCOP_shmat:
88a8c984
RV		 2826 switch (version) {
2827 default:
5a4a898d
FB		 2828 {
2829 abi_ulong raddr;
88a8c984
RV		 2830 raddr = do_shmat(first, ptr, second);
2831 if (is_error(raddr))
2832 return get_errno(raddr);
2f619698 2833 if (put_user_ual(raddr, third))
5a4a898d 2834 return -TARGET_EFAULT;
88a8c984
RV		 2835 break;
2836 }
2837 case 1:
2838 ret = -TARGET_EINVAL;
2839 break;
5a4a898d 2840 }
8853f86e
FB		 2841 break;
2842 case IPCOP_shmdt:
88a8c984 2843 ret = do_shmdt(ptr);
8853f86e
FB		 2844 break;
2845
2846 case IPCOP_shmget:
2847 /* IPC_* flag values are the same on all linux platforms */
2848 ret = get_errno(shmget(first, second, third));
2849 break;
2850
2851 /* IPC_* and SHM_* command values are the same on all linux platforms */
2852 case IPCOP_shmctl:
88a8c984 2853 ret = do_shmctl(first, second, third);
8853f86e
FB		 2854 break;
2855 default:
32407103 2856 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 2857 ret = -TARGET_ENOSYS;
8853f86e
FB		 2858 break;
2859 }
2860 return ret;
2861}
32407103 2862#endif
8853f86e 2863
31e31b8a
FB		 2864/* kernel structure types definitions */
2865#define IFNAMSIZ 16
2866
001faf32 2867#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 2868#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2869enum {
2870#include "syscall_types.h"
2871};
2872#undef STRUCT
2873#undef STRUCT_SPECIAL
2874
001faf32 2875#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 2876#define STRUCT_SPECIAL(name)
2877#include "syscall_types.h"
2878#undef STRUCT
2879#undef STRUCT_SPECIAL
2880
2881typedef struct IOCTLEntry {
2ab83ea7
FB		 2882 unsigned int target_cmd;
2883 unsigned int host_cmd;
31e31b8a
FB		 2884 const char *name;
2885 int access;
1a9353d2 2886 const argtype arg_type[5];
31e31b8a
FB		 2887} IOCTLEntry;
2888
2889#define IOC_R 0x0001
2890#define IOC_W 0x0002
2891#define IOC_RW (IOC_R | IOC_W)
2892
2893#define MAX_STRUCT_SIZE 4096
2894
9f106a75 2895static IOCTLEntry ioctl_entries[] = {
001faf32
BS		 2896#define IOCTL(cmd, access, ...) \
2897 { TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } },
31e31b8a
FB		 2898#include "ioctls.h"
2899 { 0, 0, },
2900};
2901
53a5960a 2902/* ??? Implement proper locking for ioctls. */
0da46a6e 2903/* do_ioctl() Must return target values and target errnos. */
992f48a0 2904static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 2905{
2906 const IOCTLEntry *ie;
2907 const argtype *arg_type;
992f48a0 2908 abi_long ret;
31e31b8a 2909 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 2910 int target_size;
2911 void *argptr;
31e31b8a
FB		 2912
2913 ie = ioctl_entries;
2914 for(;;) {
2915 if (ie->target_cmd == 0) {
32407103 2916 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 2917 return -TARGET_ENOSYS;
31e31b8a
FB		 2918 }
2919 if (ie->target_cmd == cmd)
2920 break;
2921 ie++;
2922 }
2923 arg_type = ie->arg_type;
9de5e440 2924#if defined(DEBUG)
32407103 2925 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 2926#endif
31e31b8a
FB		 2927 switch(arg_type[0]) {
2928 case TYPE_NULL:
2929 /* no argument */
2930 ret = get_errno(ioctl(fd, ie->host_cmd));
2931 break;
2932 case TYPE_PTRVOID:
2933 case TYPE_INT:
2934 /* int argment */
2935 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2936 break;
2937 case TYPE_PTR:
2938 arg_type++;
53a5960a 2939 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 2940 switch(ie->access) {
2941 case IOC_R:
2942 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2943 if (!is_error(ret)) {
579a97f7
FB		 2944 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2945 if (!argptr)
2946 return -TARGET_EFAULT;
53a5960a
PB		 2947 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2948 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2949 }
2950 break;
2951 case IOC_W:
579a97f7
FB		 2952 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2953 if (!argptr)
2954 return -TARGET_EFAULT;
53a5960a
PB		 2955 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2956 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2957 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2958 break;
2959 default:
2960 case IOC_RW:
579a97f7
FB		 2961 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2962 if (!argptr)
2963 return -TARGET_EFAULT;
53a5960a
PB		 2964 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2965 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2966 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2967 if (!is_error(ret)) {
579a97f7
FB		 2968 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2969 if (!argptr)
2970 return -TARGET_EFAULT;
53a5960a
PB		 2971 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2972 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2973 }
2974 break;
2975 }
2976 break;
2977 default:
32407103
JM		 2978 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2979 (long)cmd, arg_type[0]);
0da46a6e 2980 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2981 break;
2982 }
2983 return ret;
2984}
2985
b39bc503 2986static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 2987 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2988 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2989 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2990 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2991 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2992 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2993 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2994 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2995 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2996 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2997 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2998 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2999 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3000 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3001 { 0, 0, 0, 0 }
3002};
3003
b39bc503 3004static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 3005 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3006 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3007 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3008 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3009 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3010 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3011 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3012 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3013 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3014 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3015 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3016 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3017 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3018 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3019 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3020 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3021 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3022 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3023 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3024 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3025 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3026 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3027 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3028 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3029 { 0, 0, 0, 0 }
3030};
3031
b39bc503 3032static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3033 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3034 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3035 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3036 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3037 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3038 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3039 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3040 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3041 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3042 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3043 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3044 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3045 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3046 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3047 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3048 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3049 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3050 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3051 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3052 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3053 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3054 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3055 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3056 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3057 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3058 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3059 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3060 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3061 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3062 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3063 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3064 { 0, 0, 0, 0 }
3065};
3066
b39bc503 3067static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3068 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3069 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3070 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3071 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3072 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3073 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3074 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3075 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3076 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3077 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3078 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3079 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3080 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3081 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3082 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3083 { 0, 0, 0, 0 }
3084};
3085
3086static void target_to_host_termios (void *dst, const void *src)
3087{
3088 struct host_termios *host = dst;
3089 const struct target_termios *target = src;
3b46e624 3090
5fafdf24 3091 host->c_iflag =
31e31b8a 3092 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3093 host->c_oflag =
31e31b8a 3094 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3095 host->c_cflag =
31e31b8a 3096 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3097 host->c_lflag =
31e31b8a
FB		 3098 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3099 host->c_line = target->c_line;
3b46e624 3100
44607123 3101 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3102 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3103 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3104 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3105 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3106 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3107 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3108 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3109 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3110 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3111 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3112 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3113 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3114 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3115 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3116 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3117 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3118 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3119}
3b46e624 3120
31e31b8a
FB		 3121static void host_to_target_termios (void *dst, const void *src)
3122{
3123 struct target_termios *target = dst;
3124 const struct host_termios *host = src;
3125
5fafdf24 3126 target->c_iflag =
31e31b8a 3127 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3128 target->c_oflag =
31e31b8a 3129 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3130 target->c_cflag =
31e31b8a 3131 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3132 target->c_lflag =
31e31b8a
FB		 3133 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3134 target->c_line = host->c_line;
3b46e624 3135
44607123 3136 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3137 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3138 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3139 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3140 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3141 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3142 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3143 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3144 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3145 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3146 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3147 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3148 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3149 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3150 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3151 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3152 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3153 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3154}
3155
8e853dc7 3156static const StructEntry struct_termios_def = {
31e31b8a
FB		 3157 .convert = { host_to_target_termios, target_to_host_termios },
3158 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3159 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3160};
3161
5286db75
FB		 3162static bitmask_transtbl mmap_flags_tbl[] = {
3163 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3164 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3165 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3166 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3167 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3168 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3169 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3170 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3171 { 0, 0, 0, 0 }
3172};
3173
2ab83ea7 3174#if defined(TARGET_I386)
6dbad63e
FB		 3175
3176/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3177static uint8_t *ldt_table;
6dbad63e 3178
03acab66 3179static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3180{
3181 int size;
53a5960a 3182 void *p;
6dbad63e
FB		 3183
3184 if (!ldt_table)
3185 return 0;
3186 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3187 if (size > bytecount)
3188 size = bytecount;
579a97f7
FB		 3189 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3190 if (!p)
03acab66 3191 return -TARGET_EFAULT;
579a97f7 3192 /* ??? Should this by byteswapped? */
53a5960a
PB		 3193 memcpy(p, ldt_table, size);
3194 unlock_user(p, ptr, size);
6dbad63e
FB		 3195 return size;
3196}
3197
3198/* XXX: add locking support */
03acab66
FB		 3199static abi_long write_ldt(CPUX86State *env,
3200 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3201{
3202 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3203 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3204 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3205 int seg_not_present, useable, lm;
6dbad63e
FB		 3206 uint32_t *lp, entry_1, entry_2;
3207
3208 if (bytecount != sizeof(ldt_info))
03acab66 3209 return -TARGET_EINVAL;
579a97f7 3210 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3211 return -TARGET_EFAULT;
53a5960a
PB		 3212 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3213 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3214 ldt_info.limit = tswap32(target_ldt_info->limit);
3215 ldt_info.flags = tswap32(target_ldt_info->flags);
3216 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3217
6dbad63e 3218 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3219 return -TARGET_EINVAL;
6dbad63e
FB		 3220 seg_32bit = ldt_info.flags & 1;
3221 contents = (ldt_info.flags >> 1) & 3;
3222 read_exec_only = (ldt_info.flags >> 3) & 1;
3223 limit_in_pages = (ldt_info.flags >> 4) & 1;
3224 seg_not_present = (ldt_info.flags >> 5) & 1;
3225 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3226#ifdef TARGET_ABI32
3227 lm = 0;
3228#else
3229 lm = (ldt_info.flags >> 7) & 1;
3230#endif
6dbad63e
FB		 3231 if (contents == 3) {
3232 if (oldmode)
03acab66 3233 return -TARGET_EINVAL;
6dbad63e 3234 if (seg_not_present == 0)
03acab66 3235 return -TARGET_EINVAL;
6dbad63e
FB		 3236 }
3237 /* allocate the LDT */
3238 if (!ldt_table) {
e441570f
AZ		 3239 env->ldt.base = target_mmap(0,
3240 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3241 PROT_READ|PROT_WRITE,
3242 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3243 if (env->ldt.base == -1)
03acab66 3244 return -TARGET_ENOMEM;
e441570f
AZ		 3245 memset(g2h(env->ldt.base), 0,
3246 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3247 env->ldt.limit = 0xffff;
e441570f 3248 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3249 }
3250
3251 /* NOTE: same code as Linux kernel */
3252 /* Allow LDTs to be cleared by the user. */
3253 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3254 if (oldmode ||
3255 (contents == 0 &&
3256 read_exec_only == 1 &&
3257 seg_32bit == 0 &&
3258 limit_in_pages == 0 &&
3259 seg_not_present == 1 &&
3260 useable == 0 )) {
3261 entry_1 = 0;
3262 entry_2 = 0;
3263 goto install;
3264 }
3265 }
3b46e624 3266
6dbad63e
FB		 3267 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3268 (ldt_info.limit & 0x0ffff);
3269 entry_2 = (ldt_info.base_addr & 0xff000000) |
3270 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3271 (ldt_info.limit & 0xf0000) |
3272 ((read_exec_only ^ 1) << 9) |
3273 (contents << 10) |
3274 ((seg_not_present ^ 1) << 15) |
3275 (seg_32bit << 22) |
3276 (limit_in_pages << 23) |
8d18e893 3277 (lm << 21) |
6dbad63e
FB		 3278 0x7000;
3279 if (!oldmode)
3280 entry_2 |= (useable << 20);
14ae3ba7 3281
6dbad63e
FB		 3282 /* Install the new entry ... */
3283install:
3284 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3285 lp[0] = tswap32(entry_1);
3286 lp[1] = tswap32(entry_2);
3287 return 0;
3288}
3289
3290/* specific and weird i386 syscalls */
8fcd3692
BS		 3291static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3292 unsigned long bytecount)
6dbad63e 3293{
03acab66 3294 abi_long ret;
3b46e624 3295
6dbad63e
FB		 3296 switch (func) {
3297 case 0:
3298 ret = read_ldt(ptr, bytecount);
3299 break;
3300 case 1:
3301 ret = write_ldt(env, ptr, bytecount, 1);
3302 break;
3303 case 0x11:
3304 ret = write_ldt(env, ptr, bytecount, 0);
3305 break;
03acab66
FB		 3306 default:
3307 ret = -TARGET_ENOSYS;
3308 break;
6dbad63e
FB		 3309 }
3310 return ret;
3311}
1b6b029e 3312
4583f589 3313#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 3314static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3315{
3316 uint64_t *gdt_table = g2h(env->gdt.base);
3317 struct target_modify_ldt_ldt_s ldt_info;
3318 struct target_modify_ldt_ldt_s *target_ldt_info;
3319 int seg_32bit, contents, read_exec_only, limit_in_pages;
3320 int seg_not_present, useable, lm;
3321 uint32_t *lp, entry_1, entry_2;
3322 int i;
3323
3324 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3325 if (!target_ldt_info)
3326 return -TARGET_EFAULT;
3327 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3328 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3329 ldt_info.limit = tswap32(target_ldt_info->limit);
3330 ldt_info.flags = tswap32(target_ldt_info->flags);
3331 if (ldt_info.entry_number == -1) {
3332 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3333 if (gdt_table[i] == 0) {
3334 ldt_info.entry_number = i;
3335 target_ldt_info->entry_number = tswap32(i);
3336 break;
3337 }
3338 }
3339 }
3340 unlock_user_struct(target_ldt_info, ptr, 1);
3341
3342 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3343 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3344 return -TARGET_EINVAL;
3345 seg_32bit = ldt_info.flags & 1;
3346 contents = (ldt_info.flags >> 1) & 3;
3347 read_exec_only = (ldt_info.flags >> 3) & 1;
3348 limit_in_pages = (ldt_info.flags >> 4) & 1;
3349 seg_not_present = (ldt_info.flags >> 5) & 1;
3350 useable = (ldt_info.flags >> 6) & 1;
3351#ifdef TARGET_ABI32
3352 lm = 0;
3353#else
3354 lm = (ldt_info.flags >> 7) & 1;
3355#endif
3356
3357 if (contents == 3) {
3358 if (seg_not_present == 0)
3359 return -TARGET_EINVAL;
3360 }
3361
3362 /* NOTE: same code as Linux kernel */
3363 /* Allow LDTs to be cleared by the user. */
3364 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3365 if ((contents == 0 &&
3366 read_exec_only == 1 &&
3367 seg_32bit == 0 &&
3368 limit_in_pages == 0 &&
3369 seg_not_present == 1 &&
3370 useable == 0 )) {
3371 entry_1 = 0;
3372 entry_2 = 0;
3373 goto install;
3374 }
3375 }
3376
3377 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3378 (ldt_info.limit & 0x0ffff);
3379 entry_2 = (ldt_info.base_addr & 0xff000000) |
3380 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3381 (ldt_info.limit & 0xf0000) |
3382 ((read_exec_only ^ 1) << 9) |
3383 (contents << 10) |
3384 ((seg_not_present ^ 1) << 15) |
3385 (seg_32bit << 22) |
3386 (limit_in_pages << 23) |
3387 (useable << 20) |
3388 (lm << 21) |
3389 0x7000;
3390
3391 /* Install the new entry ... */
3392install:
3393 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3394 lp[0] = tswap32(entry_1);
3395 lp[1] = tswap32(entry_2);
3396 return 0;
3397}
3398
8fcd3692 3399static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3400{
3401 struct target_modify_ldt_ldt_s *target_ldt_info;
3402 uint64_t *gdt_table = g2h(env->gdt.base);
3403 uint32_t base_addr, limit, flags;
3404 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3405 int seg_not_present, useable, lm;
3406 uint32_t *lp, entry_1, entry_2;
3407
3408 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3409 if (!target_ldt_info)
3410 return -TARGET_EFAULT;
3411 idx = tswap32(target_ldt_info->entry_number);
3412 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3413 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3414 unlock_user_struct(target_ldt_info, ptr, 1);
3415 return -TARGET_EINVAL;
3416 }
3417 lp = (uint32_t *)(gdt_table + idx);
3418 entry_1 = tswap32(lp[0]);
3419 entry_2 = tswap32(lp[1]);
3420
3421 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3422 contents = (entry_2 >> 10) & 3;
3423 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3424 seg_32bit = (entry_2 >> 22) & 1;
3425 limit_in_pages = (entry_2 >> 23) & 1;
3426 useable = (entry_2 >> 20) & 1;
3427#ifdef TARGET_ABI32
3428 lm = 0;
3429#else
3430 lm = (entry_2 >> 21) & 1;
3431#endif
3432 flags = (seg_32bit << 0) | (contents << 1) |
3433 (read_exec_only << 3) | (limit_in_pages << 4) |
3434 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3435 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3436 base_addr = (entry_1 >> 16) |
3437 (entry_2 & 0xff000000) |
3438 ((entry_2 & 0xff) << 16);
3439 target_ldt_info->base_addr = tswapl(base_addr);
3440 target_ldt_info->limit = tswap32(limit);
3441 target_ldt_info->flags = tswap32(flags);
3442 unlock_user_struct(target_ldt_info, ptr, 1);
3443 return 0;
3444}
4583f589 3445#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 3446
d2fd1af7 3447#ifndef TARGET_ABI32
8fcd3692 3448static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7
FB		 3449{
3450 abi_long ret;
3451 abi_ulong val;
3452 int idx;
3453
3454 switch(code) {
3455 case TARGET_ARCH_SET_GS:
3456 case TARGET_ARCH_SET_FS:
3457 if (code == TARGET_ARCH_SET_GS)
3458 idx = R_GS;
3459 else
3460 idx = R_FS;
3461 cpu_x86_load_seg(env, idx, 0);
3462 env->segs[idx].base = addr;
3463 break;
3464 case TARGET_ARCH_GET_GS:
3465 case TARGET_ARCH_GET_FS:
3466 if (code == TARGET_ARCH_GET_GS)
3467 idx = R_GS;
3468 else
3469 idx = R_FS;
3470 val = env->segs[idx].base;
3471 if (put_user(val, addr, abi_ulong))
3472 return -TARGET_EFAULT;
3473 break;
3474 default:
3475 ret = -TARGET_EINVAL;
3476 break;
3477 }
3478 return 0;
3479}
3480#endif
3481
2ab83ea7
FB		 3482#endif /* defined(TARGET_I386) */
3483
2f7bb878 3484#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3485
3486#define NEW_STACK_SIZE PTHREAD_STACK_MIN
3487
3488static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3489typedef struct {
3490 CPUState *env;
3491 pthread_mutex_t mutex;
3492 pthread_cond_t cond;
3493 pthread_t thread;
3494 uint32_t tid;
3495 abi_ulong child_tidptr;
3496 abi_ulong parent_tidptr;
3497 sigset_t sigmask;
3498} new_thread_info;
3499
3500static void *clone_func(void *arg)
3501{
3502 new_thread_info *info = arg;
3503 CPUState *env;
edf8e2af 3504 TaskState *ts;
d865bab5
PB		 3505
3506 env = info->env;
3507 thread_env = env;
edf8e2af 3508 ts = (TaskState *)thread_env->opaque;
d865bab5 3509 info->tid = gettid();
1e9fa730 3510 env->host_tid = info->tid;
edf8e2af 3511 task_settid(ts);
d865bab5
PB		 3512 if (info->child_tidptr)
3513 put_user_u32(info->tid, info->child_tidptr);
3514 if (info->parent_tidptr)
3515 put_user_u32(info->tid, info->parent_tidptr);
3516 /* Enable signals. */
3517 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3518 /* Signal to the parent that we're ready. */
3519 pthread_mutex_lock(&info->mutex);
3520 pthread_cond_broadcast(&info->cond);
3521 pthread_mutex_unlock(&info->mutex);
3522 /* Wait until the parent has finshed initializing the tls state. */
3523 pthread_mutex_lock(&clone_lock);
3524 pthread_mutex_unlock(&clone_lock);
3525 cpu_loop(env);
3526 /* never exits */
3527 return NULL;
3528}
3529#else
1b6b029e
FB		 3530/* this stack is the equivalent of the kernel stack associated with a
3531 thread/process */
3532#define NEW_STACK_SIZE 8192
3533
3534static int clone_func(void *arg)
3535{
2ab83ea7 3536 CPUState *env = arg;
1b6b029e
FB		 3537 cpu_loop(env);
3538 /* never exits */
3539 return 0;
3540}
d865bab5 3541#endif
1b6b029e 3542
0da46a6e
TS		 3543/* do_fork() Must return host values and target errnos (unlike most
3544 do_*() functions). */
d865bab5
PB		 3545static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3546 abi_ulong parent_tidptr, target_ulong newtls,
3547 abi_ulong child_tidptr)
1b6b029e
FB		 3548{
3549 int ret;
5cd4393b 3550 TaskState *ts;
1b6b029e 3551 uint8_t *new_stack;
2ab83ea7 3552 CPUState *new_env;
2f7bb878 3553#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3554 unsigned int nptl_flags;
3555 sigset_t sigmask;
3556#endif
3b46e624 3557
436d124b
AZ		 3558 /* Emulate vfork() with fork() */
3559 if (flags & CLONE_VFORK)
3560 flags &= ~(CLONE_VFORK | CLONE_VM);
3561
1b6b029e 3562 if (flags & CLONE_VM) {
edf8e2af 3563 TaskState *parent_ts = (TaskState *)env->opaque;
2f7bb878 3564#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3565 new_thread_info info;
3566 pthread_attr_t attr;
bd0c5661 3567#endif
c3a92833 3568 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
624f7979 3569 init_task_state(ts);
5cd4393b 3570 new_stack = ts->stack;
1b6b029e 3571 /* we create a new CPU instance. */
c5be9f08 3572 new_env = cpu_copy(env);
b4558d74
BS		 3573#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
3574 cpu_reset(new_env);
3575#endif
6e68e076
PB		 3576 /* Init regs that differ from the parent. */
3577 cpu_clone_regs(new_env, newsp);
5cd4393b 3578 new_env->opaque = ts;
edf8e2af
MW		 3579 ts->bprm = parent_ts->bprm;
3580 ts->info = parent_ts->info;
2f7bb878 3581#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3582 nptl_flags = flags;
3583 flags &= ~CLONE_NPTL_FLAGS2;
3584
c2764719
PB		 3585 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3586 ts->child_tidptr = child_tidptr;
3587 }
3588
d865bab5
PB		 3589 if (nptl_flags & CLONE_SETTLS)
3590 cpu_set_tls (new_env, newtls);
3591
3592 /* Grab a mutex so that thread setup appears atomic. */
3593 pthread_mutex_lock(&clone_lock);
3594
3595 memset(&info, 0, sizeof(info));
3596 pthread_mutex_init(&info.mutex, NULL);
3597 pthread_mutex_lock(&info.mutex);
3598 pthread_cond_init(&info.cond, NULL);
3599 info.env = new_env;
3600 if (nptl_flags & CLONE_CHILD_SETTID)
3601 info.child_tidptr = child_tidptr;
3602 if (nptl_flags & CLONE_PARENT_SETTID)
3603 info.parent_tidptr = parent_tidptr;
3604
3605 ret = pthread_attr_init(&attr);
3606 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
3607 /* It is not safe to deliver signals until the child has finished
3608 initializing, so temporarily block all signals. */
3609 sigfillset(&sigmask);
3610 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3611
3612 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 3613 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 3614
3615 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3616 pthread_attr_destroy(&attr);
3617 if (ret == 0) {
3618 /* Wait for the child to initialize. */
3619 pthread_cond_wait(&info.cond, &info.mutex);
3620 ret = info.tid;
3621 if (flags & CLONE_PARENT_SETTID)
3622 put_user_u32(ret, parent_tidptr);
3623 } else {
3624 ret = -1;
3625 }
3626 pthread_mutex_unlock(&info.mutex);
3627 pthread_cond_destroy(&info.cond);
3628 pthread_mutex_destroy(&info.mutex);
3629 pthread_mutex_unlock(&clone_lock);
3630#else
3631 if (flags & CLONE_NPTL_FLAGS2)
3632 return -EINVAL;
3633 /* This is probably going to die very quickly, but do it anyway. */
27725c1d 3634#ifdef __ia64__
60e99246 3635 ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 3636#else
3637 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 3638#endif
27725c1d 3639#endif
1b6b029e
FB		 3640 } else {
3641 /* if no CLONE_VM, we consider it is a fork */
d865bab5 3642 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 3643 return -EINVAL;
d865bab5 3644 fork_start();
1b6b029e 3645 ret = fork();
d865bab5 3646 if (ret == 0) {
2b1319c8 3647 /* Child Process. */
d865bab5
PB		 3648 cpu_clone_regs(env, newsp);
3649 fork_end(1);
2f7bb878 3650#if defined(CONFIG_USE_NPTL)
2b1319c8
AJ		 3651 /* There is a race condition here. The parent process could
3652 theoretically read the TID in the child process before the child
3653 tid is set. This would require using either ptrace
3654 (not implemented) or having *_tidptr to point at a shared memory
3655 mapping. We can't repeat the spinlock hack used above because
3656 the child process gets its own copy of the lock. */
d865bab5
PB		 3657 if (flags & CLONE_CHILD_SETTID)
3658 put_user_u32(gettid(), child_tidptr);
3659 if (flags & CLONE_PARENT_SETTID)
3660 put_user_u32(gettid(), parent_tidptr);
3661 ts = (TaskState *)env->opaque;
3662 if (flags & CLONE_SETTLS)
3663 cpu_set_tls (env, newtls);
c2764719
PB		 3664 if (flags & CLONE_CHILD_CLEARTID)
3665 ts->child_tidptr = child_tidptr;
2b1319c8 3666#endif
d865bab5
PB		 3667 } else {
3668 fork_end(0);
3669 }
1b6b029e
FB		 3670 }
3671 return ret;
3672}
3673
5f106811
APR		 3674/* warning : doesn't handle linux specific flags... */
3675static int target_to_host_fcntl_cmd(int cmd)
3676{
3677 switch(cmd) {
3678 case TARGET_F_DUPFD:
3679 case TARGET_F_GETFD:
3680 case TARGET_F_SETFD:
3681 case TARGET_F_GETFL:
3682 case TARGET_F_SETFL:
3683 return cmd;
3684 case TARGET_F_GETLK:
3685 return F_GETLK;
3686 case TARGET_F_SETLK:
3687 return F_SETLK;
3688 case TARGET_F_SETLKW:
3689 return F_SETLKW;
3690 case TARGET_F_GETOWN:
3691 return F_GETOWN;
3692 case TARGET_F_SETOWN:
3693 return F_SETOWN;
3694 case TARGET_F_GETSIG:
3695 return F_GETSIG;
3696 case TARGET_F_SETSIG:
3697 return F_SETSIG;
3698#if TARGET_ABI_BITS == 32
3699 case TARGET_F_GETLK64:
3700 return F_GETLK64;
3701 case TARGET_F_SETLK64:
3702 return F_SETLK64;
3703 case TARGET_F_SETLKW64:
3704 return F_SETLKW64;
3705#endif
7e22e546
UH		 3706 case TARGET_F_SETLEASE:
3707 return F_SETLEASE;
3708 case TARGET_F_GETLEASE:
3709 return F_GETLEASE;
fbd5de9b 3710#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 3711 case TARGET_F_DUPFD_CLOEXEC:
3712 return F_DUPFD_CLOEXEC;
fbd5de9b 3713#endif
7e22e546
UH		 3714 case TARGET_F_NOTIFY:
3715 return F_NOTIFY;
5f106811
APR		 3716 default:
3717 return -TARGET_EINVAL;
3718 }
3719 return -TARGET_EINVAL;
3720}
3721
992f48a0 3722static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 3723{
3724 struct flock fl;
53a5960a 3725 struct target_flock *target_fl;
43f238d7
TS		 3726 struct flock64 fl64;
3727 struct target_flock64 *target_fl64;
992f48a0 3728 abi_long ret;
5f106811
APR		 3729 int host_cmd = target_to_host_fcntl_cmd(cmd);
3730
3731 if (host_cmd == -TARGET_EINVAL)
3732 return host_cmd;
53a5960a 3733
7775e9ec
FB		 3734 switch(cmd) {
3735 case TARGET_F_GETLK:
579a97f7
FB		 3736 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3737 return -TARGET_EFAULT;
5813427b
TS		 3738 fl.l_type = tswap16(target_fl->l_type);
3739 fl.l_whence = tswap16(target_fl->l_whence);
3740 fl.l_start = tswapl(target_fl->l_start);
3741 fl.l_len = tswapl(target_fl->l_len);
7e22e546 3742 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 3743 unlock_user_struct(target_fl, arg, 0);
5f106811 3744 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3745 if (ret == 0) {
579a97f7
FB		 3746 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3747 return -TARGET_EFAULT;
7775e9ec
FB		 3748 target_fl->l_type = tswap16(fl.l_type);
3749 target_fl->l_whence = tswap16(fl.l_whence);
3750 target_fl->l_start = tswapl(fl.l_start);
3751 target_fl->l_len = tswapl(fl.l_len);
7e22e546 3752 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 3753 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 3754 }
3755 break;
3b46e624 3756
7775e9ec
FB		 3757 case TARGET_F_SETLK:
3758 case TARGET_F_SETLKW:
579a97f7
FB		 3759 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3760 return -TARGET_EFAULT;
7775e9ec
FB		 3761 fl.l_type = tswap16(target_fl->l_type);
3762 fl.l_whence = tswap16(target_fl->l_whence);
3763 fl.l_start = tswapl(target_fl->l_start);
3764 fl.l_len = tswapl(target_fl->l_len);
7e22e546 3765 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 3766 unlock_user_struct(target_fl, arg, 0);
5f106811 3767 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3768 break;
3b46e624 3769
7775e9ec 3770 case TARGET_F_GETLK64:
579a97f7
FB		 3771 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3772 return -TARGET_EFAULT;
5813427b
TS		 3773 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3774 fl64.l_whence = tswap16(target_fl64->l_whence);
3775 fl64.l_start = tswapl(target_fl64->l_start);
3776 fl64.l_len = tswapl(target_fl64->l_len);
7e22e546 3777 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 3778 unlock_user_struct(target_fl64, arg, 0);
5f106811 3779 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 3780 if (ret == 0) {
579a97f7
FB		 3781 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3782 return -TARGET_EFAULT;
43f238d7
TS		 3783 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3784 target_fl64->l_whence = tswap16(fl64.l_whence);
3785 target_fl64->l_start = tswapl(fl64.l_start);
3786 target_fl64->l_len = tswapl(fl64.l_len);
7e22e546 3787 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 3788 unlock_user_struct(target_fl64, arg, 1);
3789 }
9ee1fa2c 3790 break;
7775e9ec
FB		 3791 case TARGET_F_SETLK64:
3792 case TARGET_F_SETLKW64:
579a97f7
FB		 3793 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3794 return -TARGET_EFAULT;
43f238d7
TS		 3795 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3796 fl64.l_whence = tswap16(target_fl64->l_whence);
3797 fl64.l_start = tswapl(target_fl64->l_start);
3798 fl64.l_len = tswapl(target_fl64->l_len);
7e22e546 3799 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 3800 unlock_user_struct(target_fl64, arg, 0);
5f106811 3801 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 3802 break;
3803
5f106811
APR		 3804 case TARGET_F_GETFL:
3805 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 3806 if (ret >= 0) {
3807 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3808 }
ffa65c3b
FB		 3809 break;
3810
5f106811
APR		 3811 case TARGET_F_SETFL:
3812 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
3813 break;
3814
3815 case TARGET_F_SETOWN:
3816 case TARGET_F_GETOWN:
3817 case TARGET_F_SETSIG:
3818 case TARGET_F_GETSIG:
7e22e546
UH		 3819 case TARGET_F_SETLEASE:
3820 case TARGET_F_GETLEASE:
5f106811 3821 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 3822 break;
3823
7775e9ec 3824 default:
9ee1fa2c 3825 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 3826 break;
3827 }
3828 return ret;
3829}
3830
67867308 3831#ifdef USE_UID16
7775e9ec 3832
67867308
FB		 3833static inline int high2lowuid(int uid)
3834{
3835 if (uid > 65535)
3836 return 65534;
3837 else
3838 return uid;
3839}
3840
3841static inline int high2lowgid(int gid)
3842{
3843 if (gid > 65535)
3844 return 65534;
3845 else
3846 return gid;
3847}
3848
3849static inline int low2highuid(int uid)
3850{
3851 if ((int16_t)uid == -1)
3852 return -1;
3853 else
3854 return uid;
3855}
3856
3857static inline int low2highgid(int gid)
3858{
3859 if ((int16_t)gid == -1)
3860 return -1;
3861 else
3862 return gid;
3863}
3864
3865#endif /* USE_UID16 */
1b6b029e 3866
31e31b8a
FB		 3867void syscall_init(void)
3868{
2ab83ea7
FB		 3869 IOCTLEntry *ie;
3870 const argtype *arg_type;
3871 int size;
b92c47c1 3872 int i;
2ab83ea7 3873
001faf32 3874#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 3875#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 3876#include "syscall_types.h"
3877#undef STRUCT
3878#undef STRUCT_SPECIAL
2ab83ea7
FB		 3879
3880 /* we patch the ioctl size if necessary. We rely on the fact that
3881 no ioctl has all the bits at '1' in the size field */
3882 ie = ioctl_entries;
3883 while (ie->target_cmd != 0) {
3884 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3885 TARGET_IOC_SIZEMASK) {
3886 arg_type = ie->arg_type;
3887 if (arg_type[0] != TYPE_PTR) {
5fafdf24 3888 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 3889 ie->target_cmd);
3890 exit(1);
3891 }
3892 arg_type++;
3893 size = thunk_type_size(arg_type, 0);
5fafdf24 3894 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 3895 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3896 (size << TARGET_IOC_SIZESHIFT);
3897 }
b92c47c1
TS		 3898
3899 /* Build target_to_host_errno_table[] table from
3900 * host_to_target_errno_table[]. */
3901 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3902 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3903
2ab83ea7 3904 /* automatic consistency check if same arch */
872ea0c0
AZ		 3905#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3906 (defined(__x86_64__) && defined(TARGET_X86_64))
3907 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3908 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3909 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 3910 }
3911#endif
3912 ie++;
3913 }
31e31b8a 3914}
c573ff67 3915
992f48a0 3916#if TARGET_ABI_BITS == 32
ce4defa0
PB		 3917static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3918{
af325d36 3919#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 3920 return ((uint64_t)word0 << 32) | word1;
3921#else
3922 return ((uint64_t)word1 << 32) | word0;
3923#endif
3924}
992f48a0 3925#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 3926static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3927{
3928 return word0;
3929}
992f48a0 3930#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 3931
3932#ifdef TARGET_NR_truncate64
992f48a0
BS		 3933static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3934 abi_long arg2,
3935 abi_long arg3,
3936 abi_long arg4)
ce4defa0
PB		 3937{
3938#ifdef TARGET_ARM
3939 if (((CPUARMState *)cpu_env)->eabi)
3940 {
3941 arg2 = arg3;
3942 arg3 = arg4;
3943 }
3944#endif
3945 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3946}
3947#endif
3948
3949#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 3950static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3951 abi_long arg2,
3952 abi_long arg3,
3953 abi_long arg4)
ce4defa0
PB		 3954{
3955#ifdef TARGET_ARM
3956 if (((CPUARMState *)cpu_env)->eabi)
3957 {
3958 arg2 = arg3;
3959 arg3 = arg4;
3960 }
3961#endif
3962 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3963}
3964#endif
3965
579a97f7
FB		 3966static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3967 abi_ulong target_addr)
53a5960a
PB		 3968{
3969 struct target_timespec *target_ts;
3970
579a97f7
FB		 3971 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3972 return -TARGET_EFAULT;
53a5960a
PB		 3973 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3974 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3975 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 3976 return 0;
53a5960a
PB		 3977}
3978
579a97f7
FB		 3979static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3980 struct timespec *host_ts)
53a5960a
PB		 3981{
3982 struct target_timespec *target_ts;
3983
579a97f7
FB		 3984 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3985 return -TARGET_EFAULT;
53a5960a
PB		 3986 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3987 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3988 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 3989 return 0;
53a5960a
PB		 3990}
3991
9d33b76b 3992#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 3993static inline abi_long host_to_target_stat64(void *cpu_env,
3994 abi_ulong target_addr,
3995 struct stat *host_st)
3996{
3997#ifdef TARGET_ARM
3998 if (((CPUARMState *)cpu_env)->eabi) {
3999 struct target_eabi_stat64 *target_st;
4000
4001 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4002 return -TARGET_EFAULT;
4003 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4004 __put_user(host_st->st_dev, &target_st->st_dev);
4005 __put_user(host_st->st_ino, &target_st->st_ino);
4006#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4007 __put_user(host_st->st_ino, &target_st->__st_ino);
4008#endif
4009 __put_user(host_st->st_mode, &target_st->st_mode);
4010 __put_user(host_st->st_nlink, &target_st->st_nlink);
4011 __put_user(host_st->st_uid, &target_st->st_uid);
4012 __put_user(host_st->st_gid, &target_st->st_gid);
4013 __put_user(host_st->st_rdev, &target_st->st_rdev);
4014 __put_user(host_st->st_size, &target_st->st_size);
4015 __put_user(host_st->st_blksize, &target_st->st_blksize);
4016 __put_user(host_st->st_blocks, &target_st->st_blocks);
4017 __put_user(host_st->st_atime, &target_st->target_st_atime);
4018 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4019 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4020 unlock_user_struct(target_st, target_addr, 1);
4021 } else
4022#endif
4023 {
8b0ee8c5 4024#if (TARGET_LONG_BITS == 64) && (!defined(TARGET_ALPHA))
9d33b76b
AJ		 4025 struct target_stat *target_st;
4026#else
6a24a778 4027 struct target_stat64 *target_st;
9d33b76b 4028#endif
6a24a778
AZ		 4029
4030 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4031 return -TARGET_EFAULT;
9d33b76b 4032 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4033 __put_user(host_st->st_dev, &target_st->st_dev);
4034 __put_user(host_st->st_ino, &target_st->st_ino);
4035#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4036 __put_user(host_st->st_ino, &target_st->__st_ino);
4037#endif
4038 __put_user(host_st->st_mode, &target_st->st_mode);
4039 __put_user(host_st->st_nlink, &target_st->st_nlink);
4040 __put_user(host_st->st_uid, &target_st->st_uid);
4041 __put_user(host_st->st_gid, &target_st->st_gid);
4042 __put_user(host_st->st_rdev, &target_st->st_rdev);
4043 /* XXX: better use of kernel struct */
4044 __put_user(host_st->st_size, &target_st->st_size);
4045 __put_user(host_st->st_blksize, &target_st->st_blksize);
4046 __put_user(host_st->st_blocks, &target_st->st_blocks);
4047 __put_user(host_st->st_atime, &target_st->target_st_atime);
4048 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4049 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4050 unlock_user_struct(target_st, target_addr, 1);
4051 }
4052
4053 return 0;
4054}
4055#endif
4056
2f7bb878 4057#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 4058/* ??? Using host futex calls even when target atomic operations
4059 are not really atomic probably breaks things. However implementing
4060 futexes locally would make futexes shared between multiple processes
4061 tricky. However they're probably useless because guest atomic
4062 operations won't work either. */
8fcd3692
BS		 4063static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4064 target_ulong uaddr2, int val3)
bd0c5661
PB		 4065{
4066 struct timespec ts, *pts;
a16aae0c 4067 int base_op;
bd0c5661
PB		 4068
4069 /* ??? We assume FUTEX_* constants are the same on both host
4070 and target. */
a29ccd63 4071#ifdef FUTEX_CMD_MASK
a16aae0c 4072 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4073#else
a16aae0c 4074 base_op = op;
a29ccd63 4075#endif
a16aae0c 4076 switch (base_op) {
bd0c5661
PB		 4077 case FUTEX_WAIT:
4078 if (timeout) {
4079 pts = &ts;
4080 target_to_host_timespec(pts, timeout);
4081 } else {
4082 pts = NULL;
4083 }
a29ccd63 4084 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
bd0c5661
PB		 4085 pts, NULL, 0));
4086 case FUTEX_WAKE:
a29ccd63 4087 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4088 case FUTEX_FD:
a29ccd63 4089 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4090 case FUTEX_REQUEUE:
bd0c5661 4091 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4092 case FUTEX_WAKE_OP:
4093 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4094 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4095 But the prototype takes a `struct timespec *'; insert casts
4096 to satisfy the compiler. We do not need to tswap TIMEOUT
4097 since it's not compared to guest memory. */
4098 pts = (struct timespec *)(uintptr_t) timeout;
4099 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4100 g2h(uaddr2),
4101 (base_op == FUTEX_CMP_REQUEUE
4102 ? tswap32(val3)
4103 : val3)));
bd0c5661
PB		 4104 default:
4105 return -TARGET_ENOSYS;
4106 }
4107}
4108#endif
4109
1d9d8b55
PB		 4110/* Map host to target signal numbers for the wait family of syscalls.
4111 Assume all other status bits are the same. */
4112static int host_to_target_waitstatus(int status)
4113{
4114 if (WIFSIGNALED(status)) {
4115 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4116 }
4117 if (WIFSTOPPED(status)) {
4118 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4119 | (status & 0xff);
4120 }
4121 return status;
4122}
4123
a745ec6d
PB		 4124int get_osversion(void)
4125{
4126 static int osversion;
4127 struct new_utsname buf;
4128 const char *s;
4129 int i, n, tmp;
4130 if (osversion)
4131 return osversion;
4132 if (qemu_uname_release && *qemu_uname_release) {
4133 s = qemu_uname_release;
4134 } else {
4135 if (sys_uname(&buf))
4136 return 0;
4137 s = buf.release;
4138 }
4139 tmp = 0;
4140 for (i = 0; i < 3; i++) {
4141 n = 0;
4142 while (*s >= '0' && *s <= '9') {
4143 n *= 10;
4144 n += *s - '0';
4145 s++;
4146 }
4147 tmp = (tmp << 8) + n;
4148 if (*s == '.')
4149 s++;
4150 }
4151 osversion = tmp;
4152 return osversion;
4153}
4154
0da46a6e
TS		 4155/* do_syscall() should always have a single exit point at the end so
4156 that actions, such as logging of syscall results, can be performed.
4157 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 4158abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4159 abi_long arg2, abi_long arg3, abi_long arg4,
4160 abi_long arg5, abi_long arg6)
31e31b8a 4161{
992f48a0 4162 abi_long ret;
31e31b8a 4163 struct stat st;
56c8f68f 4164 struct statfs stfs;
53a5960a 4165 void *p;
3b46e624 4166
72f03900 4167#ifdef DEBUG
c573ff67 4168 gemu_log("syscall %d", num);
72f03900 4169#endif
b92c47c1
TS		 4170 if(do_strace)
4171 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4172
31e31b8a
FB		 4173 switch(num) {
4174 case TARGET_NR_exit:
2f7bb878 4175#ifdef CONFIG_USE_NPTL
c2764719
PB		 4176 /* In old applications this may be used to implement _exit(2).
4177 However in threaded applictions it is used for thread termination,
4178 and _exit_group is used for application termination.
4179 Do thread termination if we have more then one thread. */
4180 /* FIXME: This probably breaks if a signal arrives. We should probably
4181 be disabling signals. */
4182 if (first_cpu->next_cpu) {
1e9fa730 4183 TaskState *ts;
c2764719
PB		 4184 CPUState **lastp;
4185 CPUState *p;
4186
4187 cpu_list_lock();
4188 lastp = &first_cpu;
4189 p = first_cpu;
4190 while (p && p != (CPUState *)cpu_env) {
4191 lastp = &p->next_cpu;
4192 p = p->next_cpu;
4193 }
4194 /* If we didn't find the CPU for this thread then something is
4195 horribly wrong. */
4196 if (!p)
4197 abort();
4198 /* Remove the CPU from the list. */
4199 *lastp = p->next_cpu;
4200 cpu_list_unlock();
1e9fa730 4201 ts = ((CPUState *)cpu_env)->opaque;
c2764719
PB		 4202 if (ts->child_tidptr) {
4203 put_user_u32(0, ts->child_tidptr);
4204 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4205 NULL, NULL, 0);
4206 }
4207 /* TODO: Free CPU state. */
4208 pthread_exit(NULL);
4209 }
4210#endif
9788c9ca 4211#ifdef TARGET_GPROF
7d13299d
FB		 4212 _mcleanup();
4213#endif
e9009676 4214 gdb_exit(cpu_env, arg1);
c2764719 4215 _exit(arg1);
31e31b8a
FB		 4216 ret = 0; /* avoid warning */
4217 break;
4218 case TARGET_NR_read:
38d840e6
AJ		 4219 if (arg3 == 0)
4220 ret = 0;
4221 else {
4222 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4223 goto efault;
4224 ret = get_errno(read(arg1, p, arg3));
4225 unlock_user(p, arg2, ret);
4226 }
31e31b8a
FB		 4227 break;
4228 case TARGET_NR_write:
579a97f7
FB		 4229 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4230 goto efault;
53a5960a
PB		 4231 ret = get_errno(write(arg1, p, arg3));
4232 unlock_user(p, arg2, 0);
31e31b8a
FB		 4233 break;
4234 case TARGET_NR_open:
2f619698
FB		 4235 if (!(p = lock_user_string(arg1)))
4236 goto efault;
53a5960a 4237 ret = get_errno(open(path(p),
ffa65c3b
FB		 4238 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4239 arg3));
53a5960a 4240 unlock_user(p, arg1, 0);
31e31b8a 4241 break;
82424832
TS		 4242#if defined(TARGET_NR_openat) && defined(__NR_openat)
4243 case TARGET_NR_openat:
579a97f7
FB		 4244 if (!(p = lock_user_string(arg2)))
4245 goto efault;
4246 ret = get_errno(sys_openat(arg1,
4247 path(p),
4248 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4249 arg4));
4250 unlock_user(p, arg2, 0);
82424832
TS		 4251 break;
4252#endif
31e31b8a
FB		 4253 case TARGET_NR_close:
4254 ret = get_errno(close(arg1));
4255 break;
4256 case TARGET_NR_brk:
53a5960a 4257 ret = do_brk(arg1);
31e31b8a
FB		 4258 break;
4259 case TARGET_NR_fork:
d865bab5 4260 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 4261 break;
e5febef5 4262#ifdef TARGET_NR_waitpid
31e31b8a
FB		 4263 case TARGET_NR_waitpid:
4264 {
53a5960a
PB		 4265 int status;
4266 ret = get_errno(waitpid(arg1, &status, arg3));
2f619698 4267 if (!is_error(ret) && arg2
1d9d8b55 4268 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 4269 goto efault;
31e31b8a
FB		 4270 }
4271 break;
e5febef5 4272#endif
f0cbb613
PB		 4273#ifdef TARGET_NR_waitid
4274 case TARGET_NR_waitid:
4275 {
4276 siginfo_t info;
4277 info.si_pid = 0;
4278 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4279 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 4280 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 4281 goto efault;
4282 host_to_target_siginfo(p, &info);
c227f099 4283 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 4284 }
4285 }
4286 break;
4287#endif
7a3148a9 4288#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 4289 case TARGET_NR_creat:
579a97f7
FB		 4290 if (!(p = lock_user_string(arg1)))
4291 goto efault;
53a5960a
PB		 4292 ret = get_errno(creat(p, arg2));
4293 unlock_user(p, arg1, 0);
31e31b8a 4294 break;
7a3148a9 4295#endif
31e31b8a 4296 case TARGET_NR_link:
53a5960a
PB		 4297 {
4298 void * p2;
4299 p = lock_user_string(arg1);
4300 p2 = lock_user_string(arg2);
579a97f7
FB		 4301 if (!p || !p2)
4302 ret = -TARGET_EFAULT;
4303 else
4304 ret = get_errno(link(p, p2));
53a5960a
PB		 4305 unlock_user(p2, arg2, 0);
4306 unlock_user(p, arg1, 0);
4307 }
31e31b8a 4308 break;
64f0ce4c
TS		 4309#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4310 case TARGET_NR_linkat:
64f0ce4c
TS		 4311 {
4312 void * p2 = NULL;
579a97f7
FB		 4313 if (!arg2 || !arg4)
4314 goto efault;
64f0ce4c
TS		 4315 p = lock_user_string(arg2);
4316 p2 = lock_user_string(arg4);
579a97f7 4317 if (!p || !p2)
0da46a6e 4318 ret = -TARGET_EFAULT;
64f0ce4c
TS		 4319 else
4320 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 4321 unlock_user(p, arg2, 0);
4322 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 4323 }
4324 break;
4325#endif
31e31b8a 4326 case TARGET_NR_unlink:
579a97f7
FB		 4327 if (!(p = lock_user_string(arg1)))
4328 goto efault;
53a5960a
PB		 4329 ret = get_errno(unlink(p));
4330 unlock_user(p, arg1, 0);
31e31b8a 4331 break;
8170f56b
TS		 4332#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4333 case TARGET_NR_unlinkat:
579a97f7
FB		 4334 if (!(p = lock_user_string(arg2)))
4335 goto efault;
4336 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4337 unlock_user(p, arg2, 0);
ed494d87 4338 break;
b7d35e65 4339#endif
31e31b8a 4340 case TARGET_NR_execve:
7854b056
FB		 4341 {
4342 char **argp, **envp;
f7341ff4 4343 int argc, envc;
992f48a0
BS		 4344 abi_ulong gp;
4345 abi_ulong guest_argp;
4346 abi_ulong guest_envp;
4347 abi_ulong addr;
7854b056
FB		 4348 char **q;
4349
f7341ff4 4350 argc = 0;
53a5960a 4351 guest_argp = arg2;
da94d263 4352 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4353 if (get_user_ual(addr, gp))
2f619698 4354 goto efault;
03aa1976 4355 if (!addr)
2f619698 4356 break;
7854b056 4357 argc++;
2f619698 4358 }
f7341ff4 4359 envc = 0;
53a5960a 4360 guest_envp = arg3;
da94d263 4361 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4362 if (get_user_ual(addr, gp))
2f619698 4363 goto efault;
03aa1976 4364 if (!addr)
2f619698 4365 break;
7854b056 4366 envc++;
2f619698 4367 }
7854b056 4368
f7341ff4
FB		 4369 argp = alloca((argc + 1) * sizeof(void *));
4370 envp = alloca((envc + 1) * sizeof(void *));
7854b056 4371
da94d263 4372 for (gp = guest_argp, q = argp; gp;
992f48a0 4373 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4374 if (get_user_ual(addr, gp))
4375 goto execve_efault;
53a5960a
PB		 4376 if (!addr)
4377 break;
2f619698
FB		 4378 if (!(*q = lock_user_string(addr)))
4379 goto execve_efault;
53a5960a 4380 }
f7341ff4
FB		 4381 *q = NULL;
4382
da94d263 4383 for (gp = guest_envp, q = envp; gp;
992f48a0 4384 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4385 if (get_user_ual(addr, gp))
4386 goto execve_efault;
53a5960a
PB		 4387 if (!addr)
4388 break;
2f619698
FB		 4389 if (!(*q = lock_user_string(addr)))
4390 goto execve_efault;
53a5960a 4391 }
f7341ff4 4392 *q = NULL;
7854b056 4393
2f619698
FB		 4394 if (!(p = lock_user_string(arg1)))
4395 goto execve_efault;
53a5960a
PB		 4396 ret = get_errno(execve(p, argp, envp));
4397 unlock_user(p, arg1, 0);
4398
2f619698
FB		 4399 goto execve_end;
4400
4401 execve_efault:
4402 ret = -TARGET_EFAULT;
4403
4404 execve_end:
53a5960a 4405 for (gp = guest_argp, q = argp; *q;
992f48a0 4406 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4407 if (get_user_ual(addr, gp)
4408 || !addr)
4409 break;
53a5960a
PB		 4410 unlock_user(*q, addr, 0);
4411 }
4412 for (gp = guest_envp, q = envp; *q;
992f48a0 4413 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4414 if (get_user_ual(addr, gp)
4415 || !addr)
4416 break;
53a5960a
PB		 4417 unlock_user(*q, addr, 0);
4418 }
7854b056 4419 }
31e31b8a
FB		 4420 break;
4421 case TARGET_NR_chdir:
579a97f7
FB		 4422 if (!(p = lock_user_string(arg1)))
4423 goto efault;
53a5960a
PB		 4424 ret = get_errno(chdir(p));
4425 unlock_user(p, arg1, 0);
31e31b8a 4426 break;
a315a145 4427#ifdef TARGET_NR_time
31e31b8a
FB		 4428 case TARGET_NR_time:
4429 {
53a5960a
PB		 4430 time_t host_time;
4431 ret = get_errno(time(&host_time));
2f619698
FB		 4432 if (!is_error(ret)
4433 && arg1
4434 && put_user_sal(host_time, arg1))
4435 goto efault;
31e31b8a
FB		 4436 }
4437 break;
a315a145 4438#endif
31e31b8a 4439 case TARGET_NR_mknod:
579a97f7
FB		 4440 if (!(p = lock_user_string(arg1)))
4441 goto efault;
53a5960a
PB		 4442 ret = get_errno(mknod(p, arg2, arg3));
4443 unlock_user(p, arg1, 0);
31e31b8a 4444 break;
75ac37a0
TS		 4445#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4446 case TARGET_NR_mknodat:
579a97f7
FB		 4447 if (!(p = lock_user_string(arg2)))
4448 goto efault;
4449 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4450 unlock_user(p, arg2, 0);
75ac37a0
TS		 4451 break;
4452#endif
31e31b8a 4453 case TARGET_NR_chmod:
579a97f7
FB		 4454 if (!(p = lock_user_string(arg1)))
4455 goto efault;
53a5960a
PB		 4456 ret = get_errno(chmod(p, arg2));
4457 unlock_user(p, arg1, 0);
31e31b8a 4458 break;
ebc05488 4459#ifdef TARGET_NR_break
31e31b8a
FB		 4460 case TARGET_NR_break:
4461 goto unimplemented;
ebc05488
FB		 4462#endif
4463#ifdef TARGET_NR_oldstat
31e31b8a
FB		 4464 case TARGET_NR_oldstat:
4465 goto unimplemented;
ebc05488 4466#endif
31e31b8a
FB		 4467 case TARGET_NR_lseek:
4468 ret = get_errno(lseek(arg1, arg2, arg3));
4469 break;
7a3148a9
JM		 4470#ifdef TARGET_NR_getxpid
4471 case TARGET_NR_getxpid:
4472#else
31e31b8a 4473 case TARGET_NR_getpid:
7a3148a9 4474#endif
31e31b8a
FB		 4475 ret = get_errno(getpid());
4476 break;
4477 case TARGET_NR_mount:
80265918
TS		 4478 {
4479 /* need to look at the data field */
4480 void *p2, *p3;
4481 p = lock_user_string(arg1);
4482 p2 = lock_user_string(arg2);
4483 p3 = lock_user_string(arg3);
579a97f7
FB		 4484 if (!p || !p2 || !p3)
4485 ret = -TARGET_EFAULT;
dab46405 4486 else {
579a97f7
FB		 4487 /* FIXME - arg5 should be locked, but it isn't clear how to
4488 * do that since it's not guaranteed to be a NULL-terminated
4489 * string.
4490 */
dab46405
JSM		 4491 if ( ! arg5 )
4492 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
4493 else
4494 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4495 }
579a97f7
FB		 4496 unlock_user(p, arg1, 0);
4497 unlock_user(p2, arg2, 0);
4498 unlock_user(p3, arg3, 0);
80265918
TS		 4499 break;
4500 }
e5febef5 4501#ifdef TARGET_NR_umount
31e31b8a 4502 case TARGET_NR_umount:
579a97f7
FB		 4503 if (!(p = lock_user_string(arg1)))
4504 goto efault;
53a5960a
PB		 4505 ret = get_errno(umount(p));
4506 unlock_user(p, arg1, 0);
31e31b8a 4507 break;
e5febef5 4508#endif
7a3148a9 4509#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 4510 case TARGET_NR_stime:
4511 {
53a5960a 4512 time_t host_time;
2f619698
FB		 4513 if (get_user_sal(host_time, arg1))
4514 goto efault;
53a5960a 4515 ret = get_errno(stime(&host_time));
31e31b8a
FB		 4516 }
4517 break;
7a3148a9 4518#endif
31e31b8a
FB		 4519 case TARGET_NR_ptrace:
4520 goto unimplemented;
7a3148a9 4521#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 4522 case TARGET_NR_alarm:
4523 ret = alarm(arg1);
4524 break;
7a3148a9 4525#endif
ebc05488 4526#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 4527 case TARGET_NR_oldfstat:
4528 goto unimplemented;
ebc05488 4529#endif
7a3148a9 4530#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 4531 case TARGET_NR_pause:
4532 ret = get_errno(pause());
4533 break;
7a3148a9 4534#endif
e5febef5 4535#ifdef TARGET_NR_utime
31e31b8a 4536 case TARGET_NR_utime:
ebc05488 4537 {
53a5960a
PB		 4538 struct utimbuf tbuf, *host_tbuf;
4539 struct target_utimbuf *target_tbuf;
4540 if (arg2) {
579a97f7
FB		 4541 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4542 goto efault;
53a5960a
PB		 4543 tbuf.actime = tswapl(target_tbuf->actime);
4544 tbuf.modtime = tswapl(target_tbuf->modtime);
4545 unlock_user_struct(target_tbuf, arg2, 0);
4546 host_tbuf = &tbuf;
f72e8ff4 4547 } else {
53a5960a 4548 host_tbuf = NULL;
f72e8ff4 4549 }
579a97f7
FB		 4550 if (!(p = lock_user_string(arg1)))
4551 goto efault;
53a5960a
PB		 4552 ret = get_errno(utime(p, host_tbuf));
4553 unlock_user(p, arg1, 0);
ebc05488
FB		 4554 }
4555 break;
e5febef5 4556#endif
978a66ff
FB		 4557 case TARGET_NR_utimes:
4558 {
978a66ff 4559 struct timeval *tvp, tv[2];
53a5960a 4560 if (arg2) {
788f5ec4
TS		 4561 if (copy_from_user_timeval(&tv[0], arg2)
4562 || copy_from_user_timeval(&tv[1],
4563 arg2 + sizeof(struct target_timeval)))
4564 goto efault;
978a66ff
FB		 4565 tvp = tv;
4566 } else {
4567 tvp = NULL;
4568 }
579a97f7
FB		 4569 if (!(p = lock_user_string(arg1)))
4570 goto efault;
53a5960a
PB		 4571 ret = get_errno(utimes(p, tvp));
4572 unlock_user(p, arg1, 0);
978a66ff
FB		 4573 }
4574 break;
ac8a6556
AZ		 4575#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4576 case TARGET_NR_futimesat:
4577 {
4578 struct timeval *tvp, tv[2];
4579 if (arg3) {
4580 if (copy_from_user_timeval(&tv[0], arg3)
4581 || copy_from_user_timeval(&tv[1],
4582 arg3 + sizeof(struct target_timeval)))
4583 goto efault;
4584 tvp = tv;
4585 } else {
4586 tvp = NULL;
4587 }
4588 if (!(p = lock_user_string(arg2)))
4589 goto efault;
4590 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4591 unlock_user(p, arg2, 0);
4592 }
4593 break;
4594#endif
ebc05488 4595#ifdef TARGET_NR_stty
31e31b8a
FB		 4596 case TARGET_NR_stty:
4597 goto unimplemented;
ebc05488
FB		 4598#endif
4599#ifdef TARGET_NR_gtty
31e31b8a
FB		 4600 case TARGET_NR_gtty:
4601 goto unimplemented;
ebc05488 4602#endif
31e31b8a 4603 case TARGET_NR_access:
579a97f7
FB		 4604 if (!(p = lock_user_string(arg1)))
4605 goto efault;
719f908e 4606 ret = get_errno(access(path(p), arg2));
53a5960a 4607 unlock_user(p, arg1, 0);
31e31b8a 4608 break;
92a34c10
TS		 4609#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4610 case TARGET_NR_faccessat:
579a97f7
FB		 4611 if (!(p = lock_user_string(arg2)))
4612 goto efault;
465c9f06 4613 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 4614 unlock_user(p, arg2, 0);
92a34c10
TS		 4615 break;
4616#endif
7a3148a9 4617#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 4618 case TARGET_NR_nice:
4619 ret = get_errno(nice(arg1));
4620 break;
7a3148a9 4621#endif
ebc05488 4622#ifdef TARGET_NR_ftime
31e31b8a
FB		 4623 case TARGET_NR_ftime:
4624 goto unimplemented;
ebc05488 4625#endif
31e31b8a 4626 case TARGET_NR_sync:
04369ff2
FB		 4627 sync();
4628 ret = 0;
31e31b8a
FB		 4629 break;
4630 case TARGET_NR_kill:
4cb05961 4631 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 4632 break;
4633 case TARGET_NR_rename:
53a5960a
PB		 4634 {
4635 void *p2;
4636 p = lock_user_string(arg1);
4637 p2 = lock_user_string(arg2);
579a97f7
FB		 4638 if (!p || !p2)
4639 ret = -TARGET_EFAULT;
4640 else
4641 ret = get_errno(rename(p, p2));
53a5960a
PB		 4642 unlock_user(p2, arg2, 0);
4643 unlock_user(p, arg1, 0);
4644 }
31e31b8a 4645 break;
722183f6
TS		 4646#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4647 case TARGET_NR_renameat:
722183f6 4648 {
579a97f7 4649 void *p2;
722183f6
TS		 4650 p = lock_user_string(arg2);
4651 p2 = lock_user_string(arg4);
579a97f7 4652 if (!p || !p2)
0da46a6e 4653 ret = -TARGET_EFAULT;
722183f6
TS		 4654 else
4655 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 4656 unlock_user(p2, arg4, 0);
4657 unlock_user(p, arg2, 0);
722183f6
TS		 4658 }
4659 break;
4660#endif
31e31b8a 4661 case TARGET_NR_mkdir:
579a97f7
FB		 4662 if (!(p = lock_user_string(arg1)))
4663 goto efault;
53a5960a
PB		 4664 ret = get_errno(mkdir(p, arg2));
4665 unlock_user(p, arg1, 0);
31e31b8a 4666 break;
4472ad0d
TS		 4667#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4668 case TARGET_NR_mkdirat:
579a97f7
FB		 4669 if (!(p = lock_user_string(arg2)))
4670 goto efault;
4671 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4672 unlock_user(p, arg2, 0);
4472ad0d
TS		 4673 break;
4674#endif
31e31b8a 4675 case TARGET_NR_rmdir:
579a97f7
FB		 4676 if (!(p = lock_user_string(arg1)))
4677 goto efault;
53a5960a
PB		 4678 ret = get_errno(rmdir(p));
4679 unlock_user(p, arg1, 0);
31e31b8a
FB		 4680 break;
4681 case TARGET_NR_dup:
4682 ret = get_errno(dup(arg1));
4683 break;
4684 case TARGET_NR_pipe:
099d6b0f
RV		 4685 ret = do_pipe(cpu_env, arg1, 0);
4686 break;
4687#ifdef TARGET_NR_pipe2
4688 case TARGET_NR_pipe2:
4689 ret = do_pipe(cpu_env, arg1, arg2);
31e31b8a 4690 break;
099d6b0f 4691#endif
31e31b8a 4692 case TARGET_NR_times:
32f36bce 4693 {
53a5960a 4694 struct target_tms *tmsp;
32f36bce
FB		 4695 struct tms tms;
4696 ret = get_errno(times(&tms));
53a5960a 4697 if (arg1) {
579a97f7
FB		 4698 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4699 if (!tmsp)
4700 goto efault;
c596ed17
FB		 4701 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4702 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4703 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4704 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 4705 }
c596ed17
FB		 4706 if (!is_error(ret))
4707 ret = host_to_target_clock_t(ret);
32f36bce
FB		 4708 }
4709 break;
ebc05488 4710#ifdef TARGET_NR_prof
31e31b8a
FB		 4711 case TARGET_NR_prof:
4712 goto unimplemented;
ebc05488 4713#endif
e5febef5 4714#ifdef TARGET_NR_signal
31e31b8a
FB		 4715 case TARGET_NR_signal:
4716 goto unimplemented;
e5febef5 4717#endif
31e31b8a 4718 case TARGET_NR_acct:
38d840e6
AJ		 4719 if (arg1 == 0) {
4720 ret = get_errno(acct(NULL));
4721 } else {
4722 if (!(p = lock_user_string(arg1)))
4723 goto efault;
4724 ret = get_errno(acct(path(p)));
4725 unlock_user(p, arg1, 0);
4726 }
24836689 4727 break;
7a3148a9 4728#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 4729 case TARGET_NR_umount2:
579a97f7
FB		 4730 if (!(p = lock_user_string(arg1)))
4731 goto efault;
53a5960a
PB		 4732 ret = get_errno(umount2(p, arg2));
4733 unlock_user(p, arg1, 0);
31e31b8a 4734 break;
7a3148a9 4735#endif
ebc05488 4736#ifdef TARGET_NR_lock
31e31b8a
FB		 4737 case TARGET_NR_lock:
4738 goto unimplemented;
ebc05488 4739#endif
31e31b8a
FB		 4740 case TARGET_NR_ioctl:
4741 ret = do_ioctl(arg1, arg2, arg3);
4742 break;
4743 case TARGET_NR_fcntl:
9ee1fa2c 4744 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 4745 break;
ebc05488 4746#ifdef TARGET_NR_mpx
31e31b8a
FB		 4747 case TARGET_NR_mpx:
4748 goto unimplemented;
ebc05488 4749#endif
31e31b8a
FB		 4750 case TARGET_NR_setpgid:
4751 ret = get_errno(setpgid(arg1, arg2));
4752 break;
ebc05488 4753#ifdef TARGET_NR_ulimit
31e31b8a
FB		 4754 case TARGET_NR_ulimit:
4755 goto unimplemented;
ebc05488
FB		 4756#endif
4757#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 4758 case TARGET_NR_oldolduname:
4759 goto unimplemented;
ebc05488 4760#endif
31e31b8a
FB		 4761 case TARGET_NR_umask:
4762 ret = get_errno(umask(arg1));
4763 break;
4764 case TARGET_NR_chroot:
579a97f7
FB		 4765 if (!(p = lock_user_string(arg1)))
4766 goto efault;
53a5960a
PB		 4767 ret = get_errno(chroot(p));
4768 unlock_user(p, arg1, 0);
31e31b8a
FB		 4769 break;
4770 case TARGET_NR_ustat:
4771 goto unimplemented;
4772 case TARGET_NR_dup2:
4773 ret = get_errno(dup2(arg1, arg2));
4774 break;
d0927938
UH		 4775#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
4776 case TARGET_NR_dup3:
4777 ret = get_errno(dup3(arg1, arg2, arg3));
4778 break;
4779#endif
7a3148a9 4780#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 4781 case TARGET_NR_getppid:
4782 ret = get_errno(getppid());
4783 break;
7a3148a9 4784#endif
31e31b8a
FB		 4785 case TARGET_NR_getpgrp:
4786 ret = get_errno(getpgrp());
4787 break;
4788 case TARGET_NR_setsid:
4789 ret = get_errno(setsid());
4790 break;
e5febef5 4791#ifdef TARGET_NR_sigaction
31e31b8a 4792 case TARGET_NR_sigaction:
31e31b8a 4793 {
6049f4f8
RH		 4794#if defined(TARGET_ALPHA)
4795 struct target_sigaction act, oact, *pact = 0;
53a5960a 4796 struct target_old_sigaction *old_act;
53a5960a 4797 if (arg2) {
579a97f7
FB		 4798 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4799 goto efault;
66fb9763
FB		 4800 act._sa_handler = old_act->_sa_handler;
4801 target_siginitset(&act.sa_mask, old_act->sa_mask);
4802 act.sa_flags = old_act->sa_flags;
6049f4f8 4803 act.sa_restorer = 0;
53a5960a 4804 unlock_user_struct(old_act, arg2, 0);
66fb9763 4805 pact = &act;
66fb9763
FB		 4806 }
4807 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 4808 if (!is_error(ret) && arg3) {
579a97f7
FB		 4809 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4810 goto efault;
53a5960a
PB		 4811 old_act->_sa_handler = oact._sa_handler;
4812 old_act->sa_mask = oact.sa_mask.sig[0];
4813 old_act->sa_flags = oact.sa_flags;
53a5960a 4814 unlock_user_struct(old_act, arg3, 1);
66fb9763 4815 }
6049f4f8 4816#elif defined(TARGET_MIPS)
106ec879
FB		 4817 struct target_sigaction act, oact, *pact, *old_act;
4818
4819 if (arg2) {
579a97f7
FB		 4820 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4821 goto efault;
106ec879
FB		 4822 act._sa_handler = old_act->_sa_handler;
4823 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4824 act.sa_flags = old_act->sa_flags;
4825 unlock_user_struct(old_act, arg2, 0);
4826 pact = &act;
4827 } else {
4828 pact = NULL;
4829 }
4830
4831 ret = get_errno(do_sigaction(arg1, pact, &oact));
4832
4833 if (!is_error(ret) && arg3) {
579a97f7
FB		 4834 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4835 goto efault;
106ec879
FB		 4836 old_act->_sa_handler = oact._sa_handler;
4837 old_act->sa_flags = oact.sa_flags;
4838 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4839 old_act->sa_mask.sig[1] = 0;
4840 old_act->sa_mask.sig[2] = 0;
4841 old_act->sa_mask.sig[3] = 0;
4842 unlock_user_struct(old_act, arg3, 1);
4843 }
6049f4f8
RH		 4844#else
4845 struct target_old_sigaction *old_act;
4846 struct target_sigaction act, oact, *pact;
4847 if (arg2) {
4848 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4849 goto efault;
4850 act._sa_handler = old_act->_sa_handler;
4851 target_siginitset(&act.sa_mask, old_act->sa_mask);
4852 act.sa_flags = old_act->sa_flags;
4853 act.sa_restorer = old_act->sa_restorer;
4854 unlock_user_struct(old_act, arg2, 0);
4855 pact = &act;
4856 } else {
4857 pact = NULL;
4858 }
4859 ret = get_errno(do_sigaction(arg1, pact, &oact));
4860 if (!is_error(ret) && arg3) {
4861 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4862 goto efault;
4863 old_act->_sa_handler = oact._sa_handler;
4864 old_act->sa_mask = oact.sa_mask.sig[0];
4865 old_act->sa_flags = oact.sa_flags;
4866 old_act->sa_restorer = oact.sa_restorer;
4867 unlock_user_struct(old_act, arg3, 1);
4868 }
388bb21a 4869#endif
31e31b8a
FB		 4870 }
4871 break;
e5febef5 4872#endif
66fb9763 4873 case TARGET_NR_rt_sigaction:
53a5960a 4874 {
6049f4f8
RH		 4875#if defined(TARGET_ALPHA)
4876 struct target_sigaction act, oact, *pact = 0;
4877 struct target_rt_sigaction *rt_act;
4878 /* ??? arg4 == sizeof(sigset_t). */
4879 if (arg2) {
4880 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
4881 goto efault;
4882 act._sa_handler = rt_act->_sa_handler;
4883 act.sa_mask = rt_act->sa_mask;
4884 act.sa_flags = rt_act->sa_flags;
4885 act.sa_restorer = arg5;
4886 unlock_user_struct(rt_act, arg2, 0);
4887 pact = &act;
4888 }
4889 ret = get_errno(do_sigaction(arg1, pact, &oact));
4890 if (!is_error(ret) && arg3) {
4891 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
4892 goto efault;
4893 rt_act->_sa_handler = oact._sa_handler;
4894 rt_act->sa_mask = oact.sa_mask;
4895 rt_act->sa_flags = oact.sa_flags;
4896 unlock_user_struct(rt_act, arg3, 1);
4897 }
4898#else
53a5960a
PB		 4899 struct target_sigaction *act;
4900 struct target_sigaction *oact;
4901
579a97f7
FB		 4902 if (arg2) {
4903 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4904 goto efault;
4905 } else
53a5960a 4906 act = NULL;
579a97f7
FB		 4907 if (arg3) {
4908 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4909 ret = -TARGET_EFAULT;
4910 goto rt_sigaction_fail;
4911 }
4912 } else
53a5960a
PB		 4913 oact = NULL;
4914 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 4915 rt_sigaction_fail:
4916 if (act)
53a5960a 4917 unlock_user_struct(act, arg2, 0);
579a97f7 4918 if (oact)
53a5960a 4919 unlock_user_struct(oact, arg3, 1);
6049f4f8 4920#endif
53a5960a 4921 }
66fb9763 4922 break;
7a3148a9 4923#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 4924 case TARGET_NR_sgetmask:
66fb9763
FB		 4925 {
4926 sigset_t cur_set;
992f48a0 4927 abi_ulong target_set;
66fb9763
FB		 4928 sigprocmask(0, NULL, &cur_set);
4929 host_to_target_old_sigset(&target_set, &cur_set);
4930 ret = target_set;
4931 }
4932 break;
7a3148a9
JM		 4933#endif
4934#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 4935 case TARGET_NR_ssetmask:
66fb9763
FB		 4936 {
4937 sigset_t set, oset, cur_set;
992f48a0 4938 abi_ulong target_set = arg1;
66fb9763
FB		 4939 sigprocmask(0, NULL, &cur_set);
4940 target_to_host_old_sigset(&set, &target_set);
4941 sigorset(&set, &set, &cur_set);
4942 sigprocmask(SIG_SETMASK, &set, &oset);
4943 host_to_target_old_sigset(&target_set, &oset);
4944 ret = target_set;
4945 }
4946 break;
7a3148a9 4947#endif
e5febef5 4948#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 4949 case TARGET_NR_sigprocmask:
4950 {
4951 int how = arg1;
4952 sigset_t set, oldset, *set_ptr;
3b46e624 4953
53a5960a 4954 if (arg2) {
66fb9763
FB		 4955 switch(how) {
4956 case TARGET_SIG_BLOCK:
4957 how = SIG_BLOCK;
4958 break;
4959 case TARGET_SIG_UNBLOCK:
4960 how = SIG_UNBLOCK;
4961 break;
4962 case TARGET_SIG_SETMASK:
4963 how = SIG_SETMASK;
4964 break;
4965 default:
0da46a6e 4966 ret = -TARGET_EINVAL;
66fb9763
FB		 4967 goto fail;
4968 }
c227f099 4969 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 4970 goto efault;
53a5960a
PB		 4971 target_to_host_old_sigset(&set, p);
4972 unlock_user(p, arg2, 0);
66fb9763
FB		 4973 set_ptr = &set;
4974 } else {
4975 how = 0;
4976 set_ptr = NULL;
4977 }
4978 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a 4979 if (!is_error(ret) && arg3) {
c227f099 4980 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 4981 goto efault;
53a5960a 4982 host_to_target_old_sigset(p, &oldset);
c227f099 4983 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 4984 }
4985 }
4986 break;
e5febef5 4987#endif
66fb9763
FB		 4988 case TARGET_NR_rt_sigprocmask:
4989 {
4990 int how = arg1;
4991 sigset_t set, oldset, *set_ptr;
3b46e624 4992
53a5960a 4993 if (arg2) {
66fb9763
FB		 4994 switch(how) {
4995 case TARGET_SIG_BLOCK:
4996 how = SIG_BLOCK;
4997 break;
4998 case TARGET_SIG_UNBLOCK:
4999 how = SIG_UNBLOCK;
5000 break;
5001 case TARGET_SIG_SETMASK:
5002 how = SIG_SETMASK;
5003 break;
5004 default:
0da46a6e 5005 ret = -TARGET_EINVAL;
66fb9763
FB		 5006 goto fail;
5007 }
c227f099 5008 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5009 goto efault;
53a5960a
PB		 5010 target_to_host_sigset(&set, p);
5011 unlock_user(p, arg2, 0);
66fb9763
FB		 5012 set_ptr = &set;
5013 } else {
5014 how = 0;
5015 set_ptr = NULL;
5016 }
5017 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 5018 if (!is_error(ret) && arg3) {
c227f099 5019 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 5020 goto efault;
53a5960a 5021 host_to_target_sigset(p, &oldset);
c227f099 5022 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 5023 }
5024 }
5025 break;
e5febef5 5026#ifdef TARGET_NR_sigpending
66fb9763
FB		 5027 case TARGET_NR_sigpending:
5028 {
5029 sigset_t set;
5030 ret = get_errno(sigpending(&set));
5031 if (!is_error(ret)) {
c227f099 5032 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 5033 goto efault;
53a5960a 5034 host_to_target_old_sigset(p, &set);
c227f099 5035 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 5036 }
5037 }
5038 break;
e5febef5 5039#endif
66fb9763
FB		 5040 case TARGET_NR_rt_sigpending:
5041 {
5042 sigset_t set;
5043 ret = get_errno(sigpending(&set));
5044 if (!is_error(ret)) {
c227f099 5045 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 5046 goto efault;
53a5960a 5047 host_to_target_sigset(p, &set);
c227f099 5048 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 5049 }
5050 }
5051 break;
e5febef5 5052#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 5053 case TARGET_NR_sigsuspend:
5054 {
5055 sigset_t set;
c227f099 5056 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5057 goto efault;
53a5960a
PB		 5058 target_to_host_old_sigset(&set, p);
5059 unlock_user(p, arg1, 0);
66fb9763
FB		 5060 ret = get_errno(sigsuspend(&set));
5061 }
5062 break;
e5febef5 5063#endif
66fb9763
FB		 5064 case TARGET_NR_rt_sigsuspend:
5065 {
5066 sigset_t set;
c227f099 5067 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5068 goto efault;
53a5960a
PB		 5069 target_to_host_sigset(&set, p);
5070 unlock_user(p, arg1, 0);
66fb9763
FB		 5071 ret = get_errno(sigsuspend(&set));
5072 }
5073 break;
5074 case TARGET_NR_rt_sigtimedwait:
5075 {
66fb9763
FB		 5076 sigset_t set;
5077 struct timespec uts, *puts;
5078 siginfo_t uinfo;
3b46e624 5079
c227f099 5080 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5081 goto efault;
53a5960a
PB		 5082 target_to_host_sigset(&set, p);
5083 unlock_user(p, arg1, 0);
5084 if (arg3) {
66fb9763 5085 puts = &uts;
53a5960a 5086 target_to_host_timespec(puts, arg3);
66fb9763
FB		 5087 } else {
5088 puts = NULL;
5089 }
5090 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 5091 if (!is_error(ret) && arg2) {
c227f099 5092 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 5093 goto efault;
53a5960a 5094 host_to_target_siginfo(p, &uinfo);
c227f099 5095 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 5096 }
5097 }
5098 break;
5099 case TARGET_NR_rt_sigqueueinfo:
5100 {
5101 siginfo_t uinfo;
c227f099 5102 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 5103 goto efault;
53a5960a
PB		 5104 target_to_host_siginfo(&uinfo, p);
5105 unlock_user(p, arg1, 0);
66fb9763
FB		 5106 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5107 }
5108 break;
e5febef5 5109#ifdef TARGET_NR_sigreturn
66fb9763
FB		 5110 case TARGET_NR_sigreturn:
5111 /* NOTE: ret is eax, so not transcoding must be done */
5112 ret = do_sigreturn(cpu_env);
5113 break;
e5febef5 5114#endif
66fb9763
FB		 5115 case TARGET_NR_rt_sigreturn:
5116 /* NOTE: ret is eax, so not transcoding must be done */
5117 ret = do_rt_sigreturn(cpu_env);
5118 break;
31e31b8a 5119 case TARGET_NR_sethostname:
579a97f7
FB		 5120 if (!(p = lock_user_string(arg1)))
5121 goto efault;
53a5960a
PB		 5122 ret = get_errno(sethostname(p, arg2));
5123 unlock_user(p, arg1, 0);
31e31b8a
FB		 5124 break;
5125 case TARGET_NR_setrlimit:
9de5e440
FB		 5126 {
5127 /* XXX: convert resource ? */
5128 int resource = arg1;
53a5960a 5129 struct target_rlimit *target_rlim;
9de5e440 5130 struct rlimit rlim;
579a97f7
FB		 5131 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5132 goto efault;
9de5e440
FB		 5133 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
5134 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 5135 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 5136 ret = get_errno(setrlimit(resource, &rlim));
5137 }
5138 break;
31e31b8a 5139 case TARGET_NR_getrlimit:
9de5e440
FB		 5140 {
5141 /* XXX: convert resource ? */
5142 int resource = arg1;
53a5960a 5143 struct target_rlimit *target_rlim;
9de5e440 5144 struct rlimit rlim;
3b46e624 5145
9de5e440
FB		 5146 ret = get_errno(getrlimit(resource, &rlim));
5147 if (!is_error(ret)) {
579a97f7
FB		 5148 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5149 goto efault;
666bcd91
UH		 5150 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
5151 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 5152 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 5153 }
5154 }
5155 break;
31e31b8a 5156 case TARGET_NR_getrusage:
b409186b
FB		 5157 {
5158 struct rusage rusage;
b409186b
FB		 5159 ret = get_errno(getrusage(arg1, &rusage));
5160 if (!is_error(ret)) {
53a5960a 5161 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 5162 }
5163 }
5164 break;
31e31b8a
FB		 5165 case TARGET_NR_gettimeofday:
5166 {
31e31b8a
FB		 5167 struct timeval tv;
5168 ret = get_errno(gettimeofday(&tv, NULL));
5169 if (!is_error(ret)) {
788f5ec4
TS		 5170 if (copy_to_user_timeval(arg1, &tv))
5171 goto efault;
31e31b8a
FB		 5172 }
5173 }
5174 break;
5175 case TARGET_NR_settimeofday:
5176 {
31e31b8a 5177 struct timeval tv;
788f5ec4
TS		 5178 if (copy_from_user_timeval(&tv, arg1))
5179 goto efault;
31e31b8a
FB		 5180 ret = get_errno(settimeofday(&tv, NULL));
5181 }
5182 break;
048f6b4d 5183#ifdef TARGET_NR_select
31e31b8a 5184 case TARGET_NR_select:
f2674e31 5185 {
53a5960a 5186 struct target_sel_arg_struct *sel;
992f48a0 5187 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 5188 long nsel;
5189
579a97f7
FB		 5190 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5191 goto efault;
53a5960a
PB		 5192 nsel = tswapl(sel->n);
5193 inp = tswapl(sel->inp);
5194 outp = tswapl(sel->outp);
5195 exp = tswapl(sel->exp);
5196 tvp = tswapl(sel->tvp);
5197 unlock_user_struct(sel, arg1, 0);
5198 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 5199 }
5200 break;
048f6b4d 5201#endif
31e31b8a 5202 case TARGET_NR_symlink:
53a5960a
PB		 5203 {
5204 void *p2;
5205 p = lock_user_string(arg1);
5206 p2 = lock_user_string(arg2);
579a97f7
FB		 5207 if (!p || !p2)
5208 ret = -TARGET_EFAULT;
5209 else
5210 ret = get_errno(symlink(p, p2));
53a5960a
PB		 5211 unlock_user(p2, arg2, 0);
5212 unlock_user(p, arg1, 0);
5213 }
31e31b8a 5214 break;
f0b6243d
TS		 5215#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5216 case TARGET_NR_symlinkat:
f0b6243d 5217 {
579a97f7 5218 void *p2;
f0b6243d
TS		 5219 p = lock_user_string(arg1);
5220 p2 = lock_user_string(arg3);
579a97f7 5221 if (!p || !p2)
0da46a6e 5222 ret = -TARGET_EFAULT;
f0b6243d
TS		 5223 else
5224 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 5225 unlock_user(p2, arg3, 0);
5226 unlock_user(p, arg1, 0);
f0b6243d
TS		 5227 }
5228 break;
5229#endif
ebc05488 5230#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 5231 case TARGET_NR_oldlstat:
5232 goto unimplemented;
ebc05488 5233#endif
31e31b8a 5234 case TARGET_NR_readlink:
53a5960a 5235 {
d088d664 5236 void *p2, *temp;
53a5960a 5237 p = lock_user_string(arg1);
579a97f7
FB		 5238 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5239 if (!p || !p2)
5240 ret = -TARGET_EFAULT;
d088d664
AJ		 5241 else {
5242 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5243 char real[PATH_MAX];
5244 temp = realpath(exec_path,real);
5245 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5246 snprintf((char *)p2, arg3, "%s", real);
5247 }
5248 else
5249 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 5250 }
53a5960a
PB		 5251 unlock_user(p2, arg2, ret);
5252 unlock_user(p, arg1, 0);
5253 }
31e31b8a 5254 break;
5e0ccb18
TS		 5255#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5256 case TARGET_NR_readlinkat:
5e0ccb18 5257 {
579a97f7 5258 void *p2;
5e0ccb18 5259 p = lock_user_string(arg2);
579a97f7
FB		 5260 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5261 if (!p || !p2)
0da46a6e 5262 ret = -TARGET_EFAULT;
5e0ccb18
TS		 5263 else
5264 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 5265 unlock_user(p2, arg3, ret);
5266 unlock_user(p, arg2, 0);
5e0ccb18
TS		 5267 }
5268 break;
5269#endif
e5febef5 5270#ifdef TARGET_NR_uselib
31e31b8a
FB		 5271 case TARGET_NR_uselib:
5272 goto unimplemented;
e5febef5
TS		 5273#endif
5274#ifdef TARGET_NR_swapon
31e31b8a 5275 case TARGET_NR_swapon:
579a97f7
FB		 5276 if (!(p = lock_user_string(arg1)))
5277 goto efault;
53a5960a
PB		 5278 ret = get_errno(swapon(p, arg2));
5279 unlock_user(p, arg1, 0);
31e31b8a 5280 break;
e5febef5 5281#endif
31e31b8a
FB		 5282 case TARGET_NR_reboot:
5283 goto unimplemented;
e5febef5 5284#ifdef TARGET_NR_readdir
31e31b8a
FB		 5285 case TARGET_NR_readdir:
5286 goto unimplemented;
e5febef5
TS		 5287#endif
5288#ifdef TARGET_NR_mmap
31e31b8a 5289 case TARGET_NR_mmap:
b779e29e 5290#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
31e31b8a 5291 {
992f48a0
BS		 5292 abi_ulong *v;
5293 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 5294 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5295 goto efault;
53a5960a
PB		 5296 v1 = tswapl(v[0]);
5297 v2 = tswapl(v[1]);
5298 v3 = tswapl(v[2]);
5299 v4 = tswapl(v[3]);
5300 v5 = tswapl(v[4]);
5301 v6 = tswapl(v[5]);
5302 unlock_user(v, arg1, 0);
5fafdf24 5303 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 5304 target_to_host_bitmask(v4, mmap_flags_tbl),
5305 v5, v6));
31e31b8a 5306 }
31e31b8a 5307#else
5fafdf24
TS		 5308 ret = get_errno(target_mmap(arg1, arg2, arg3,
5309 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 5310 arg5,
5311 arg6));
31e31b8a 5312#endif
6fb883e8 5313 break;
e5febef5 5314#endif
a315a145 5315#ifdef TARGET_NR_mmap2
6fb883e8 5316 case TARGET_NR_mmap2:
bb7ec043 5317#ifndef MMAP_SHIFT
c573ff67 5318#define MMAP_SHIFT 12
c573ff67 5319#endif
5fafdf24
TS		 5320 ret = get_errno(target_mmap(arg1, arg2, arg3,
5321 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 5322 arg5,
c573ff67 5323 arg6 << MMAP_SHIFT));
31e31b8a 5324 break;
a315a145 5325#endif
31e31b8a 5326 case TARGET_NR_munmap:
54936004 5327 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 5328 break;
9de5e440 5329 case TARGET_NR_mprotect:
54936004 5330 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 5331 break;
e5febef5 5332#ifdef TARGET_NR_mremap
9de5e440 5333 case TARGET_NR_mremap:
54936004 5334 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 5335 break;
e5febef5 5336#endif
53a5960a 5337 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 5338#ifdef TARGET_NR_msync
9de5e440 5339 case TARGET_NR_msync:
53a5960a 5340 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 5341 break;
e5febef5
TS		 5342#endif
5343#ifdef TARGET_NR_mlock
9de5e440 5344 case TARGET_NR_mlock:
53a5960a 5345 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 5346 break;
e5febef5
TS		 5347#endif
5348#ifdef TARGET_NR_munlock
9de5e440 5349 case TARGET_NR_munlock:
53a5960a 5350 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 5351 break;
e5febef5
TS		 5352#endif
5353#ifdef TARGET_NR_mlockall
9de5e440
FB		 5354 case TARGET_NR_mlockall:
5355 ret = get_errno(mlockall(arg1));
5356 break;
e5febef5
TS		 5357#endif
5358#ifdef TARGET_NR_munlockall
9de5e440
FB		 5359 case TARGET_NR_munlockall:
5360 ret = get_errno(munlockall());
5361 break;
e5febef5 5362#endif
31e31b8a 5363 case TARGET_NR_truncate:
579a97f7
FB		 5364 if (!(p = lock_user_string(arg1)))
5365 goto efault;
53a5960a
PB		 5366 ret = get_errno(truncate(p, arg2));
5367 unlock_user(p, arg1, 0);
31e31b8a
FB		 5368 break;
5369 case TARGET_NR_ftruncate:
5370 ret = get_errno(ftruncate(arg1, arg2));
5371 break;
5372 case TARGET_NR_fchmod:
5373 ret = get_errno(fchmod(arg1, arg2));
5374 break;
814d7977
TS		 5375#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5376 case TARGET_NR_fchmodat:
579a97f7
FB		 5377 if (!(p = lock_user_string(arg2)))
5378 goto efault;
465c9f06 5379 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 5380 unlock_user(p, arg2, 0);
814d7977
TS		 5381 break;
5382#endif
31e31b8a 5383 case TARGET_NR_getpriority:
c6cda17a
TS		 5384 /* libc does special remapping of the return value of
5385 * sys_getpriority() so it's just easiest to call
5386 * sys_getpriority() directly rather than through libc. */
69137206 5387 ret = get_errno(sys_getpriority(arg1, arg2));
31e31b8a
FB		 5388 break;
5389 case TARGET_NR_setpriority:
5390 ret = get_errno(setpriority(arg1, arg2, arg3));
5391 break;
ebc05488 5392#ifdef TARGET_NR_profil
31e31b8a
FB		 5393 case TARGET_NR_profil:
5394 goto unimplemented;
ebc05488 5395#endif
31e31b8a 5396 case TARGET_NR_statfs:
579a97f7
FB		 5397 if (!(p = lock_user_string(arg1)))
5398 goto efault;
53a5960a
PB		 5399 ret = get_errno(statfs(path(p), &stfs));
5400 unlock_user(p, arg1, 0);
31e31b8a
FB		 5401 convert_statfs:
5402 if (!is_error(ret)) {
53a5960a 5403 struct target_statfs *target_stfs;
3b46e624 5404
579a97f7
FB		 5405 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5406 goto efault;
5407 __put_user(stfs.f_type, &target_stfs->f_type);
5408 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5409 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5410 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5411 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5412 __put_user(stfs.f_files, &target_stfs->f_files);
5413 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5414 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5415 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5416 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 5417 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 5418 }
5419 break;
5420 case TARGET_NR_fstatfs:
56c8f68f 5421 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 5422 goto convert_statfs;
56c8f68f
FB		 5423#ifdef TARGET_NR_statfs64
5424 case TARGET_NR_statfs64:
579a97f7
FB		 5425 if (!(p = lock_user_string(arg1)))
5426 goto efault;
53a5960a
PB		 5427 ret = get_errno(statfs(path(p), &stfs));
5428 unlock_user(p, arg1, 0);
56c8f68f
FB		 5429 convert_statfs64:
5430 if (!is_error(ret)) {
53a5960a 5431 struct target_statfs64 *target_stfs;
3b46e624 5432
579a97f7
FB		 5433 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5434 goto efault;
5435 __put_user(stfs.f_type, &target_stfs->f_type);
5436 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5437 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5438 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5439 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5440 __put_user(stfs.f_files, &target_stfs->f_files);
5441 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5442 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5443 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5444 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5445 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 5446 }
5447 break;
5448 case TARGET_NR_fstatfs64:
5449 ret = get_errno(fstatfs(arg1, &stfs));
5450 goto convert_statfs64;
5451#endif
ebc05488 5452#ifdef TARGET_NR_ioperm
31e31b8a
FB		 5453 case TARGET_NR_ioperm:
5454 goto unimplemented;
ebc05488 5455#endif
e5febef5 5456#ifdef TARGET_NR_socketcall
31e31b8a 5457 case TARGET_NR_socketcall:
53a5960a 5458 ret = do_socketcall(arg1, arg2);
31e31b8a 5459 break;
e5febef5 5460#endif
3532fa74
FB		 5461#ifdef TARGET_NR_accept
5462 case TARGET_NR_accept:
1be9e1dc 5463 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 5464 break;
5465#endif
5466#ifdef TARGET_NR_bind
5467 case TARGET_NR_bind:
5468 ret = do_bind(arg1, arg2, arg3);
5469 break;
5470#endif
5471#ifdef TARGET_NR_connect
5472 case TARGET_NR_connect:
5473 ret = do_connect(arg1, arg2, arg3);
5474 break;
5475#endif
5476#ifdef TARGET_NR_getpeername
5477 case TARGET_NR_getpeername:
1be9e1dc 5478 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 5479 break;
5480#endif
5481#ifdef TARGET_NR_getsockname
5482 case TARGET_NR_getsockname:
1be9e1dc 5483 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 5484 break;
5485#endif
5486#ifdef TARGET_NR_getsockopt
5487 case TARGET_NR_getsockopt:
5488 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5489 break;
5490#endif
5491#ifdef TARGET_NR_listen
5492 case TARGET_NR_listen:
1be9e1dc 5493 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 5494 break;
5495#endif
5496#ifdef TARGET_NR_recv
5497 case TARGET_NR_recv:
214201bd 5498 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5499 break;
5500#endif
5501#ifdef TARGET_NR_recvfrom
5502 case TARGET_NR_recvfrom:
214201bd 5503 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5504 break;
5505#endif
5506#ifdef TARGET_NR_recvmsg
5507 case TARGET_NR_recvmsg:
5508 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5509 break;
5510#endif
5511#ifdef TARGET_NR_send
5512 case TARGET_NR_send:
1be9e1dc 5513 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5514 break;
5515#endif
5516#ifdef TARGET_NR_sendmsg
5517 case TARGET_NR_sendmsg:
5518 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5519 break;
5520#endif
5521#ifdef TARGET_NR_sendto
5522 case TARGET_NR_sendto:
1be9e1dc 5523 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5524 break;
5525#endif
5526#ifdef TARGET_NR_shutdown
5527 case TARGET_NR_shutdown:
1be9e1dc 5528 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 5529 break;
5530#endif
5531#ifdef TARGET_NR_socket
5532 case TARGET_NR_socket:
5533 ret = do_socket(arg1, arg2, arg3);
5534 break;
5535#endif
5536#ifdef TARGET_NR_socketpair
5537 case TARGET_NR_socketpair:
1be9e1dc 5538 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 5539 break;
5540#endif
5541#ifdef TARGET_NR_setsockopt
5542 case TARGET_NR_setsockopt:
5543 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5544 break;
5545#endif
7494b0f9 5546
31e31b8a 5547 case TARGET_NR_syslog:
579a97f7
FB		 5548 if (!(p = lock_user_string(arg2)))
5549 goto efault;
e5574487
TS		 5550 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5551 unlock_user(p, arg2, 0);
7494b0f9
TS		 5552 break;
5553
31e31b8a 5554 case TARGET_NR_setitimer:
66fb9763 5555 {
66fb9763
FB		 5556 struct itimerval value, ovalue, *pvalue;
5557
53a5960a 5558 if (arg2) {
66fb9763 5559 pvalue = &value;
788f5ec4
TS		 5560 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5561 || copy_from_user_timeval(&pvalue->it_value,
5562 arg2 + sizeof(struct target_timeval)))
5563 goto efault;
66fb9763
FB		 5564 } else {
5565 pvalue = NULL;
5566 }
5567 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 5568 if (!is_error(ret) && arg3) {
788f5ec4
TS		 5569 if (copy_to_user_timeval(arg3,
5570 &ovalue.it_interval)
5571 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5572 &ovalue.it_value))
5573 goto efault;
66fb9763
FB		 5574 }
5575 }
5576 break;
31e31b8a 5577 case TARGET_NR_getitimer:
66fb9763 5578 {
66fb9763 5579 struct itimerval value;
3b46e624 5580
66fb9763 5581 ret = get_errno(getitimer(arg1, &value));
53a5960a 5582 if (!is_error(ret) && arg2) {
788f5ec4
TS		 5583 if (copy_to_user_timeval(arg2,
5584 &value.it_interval)
5585 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5586 &value.it_value))
5587 goto efault;
66fb9763
FB		 5588 }
5589 }
5590 break;
31e31b8a 5591 case TARGET_NR_stat:
579a97f7
FB		 5592 if (!(p = lock_user_string(arg1)))
5593 goto efault;
53a5960a
PB		 5594 ret = get_errno(stat(path(p), &st));
5595 unlock_user(p, arg1, 0);
31e31b8a
FB		 5596 goto do_stat;
5597 case TARGET_NR_lstat:
579a97f7
FB		 5598 if (!(p = lock_user_string(arg1)))
5599 goto efault;
53a5960a
PB		 5600 ret = get_errno(lstat(path(p), &st));
5601 unlock_user(p, arg1, 0);
31e31b8a
FB		 5602 goto do_stat;
5603 case TARGET_NR_fstat:
5604 {
5605 ret = get_errno(fstat(arg1, &st));
5606 do_stat:
5607 if (!is_error(ret)) {
53a5960a 5608 struct target_stat *target_st;
e3584658 5609
579a97f7
FB		 5610 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5611 goto efault;
12727917 5612 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 5613 __put_user(st.st_dev, &target_st->st_dev);
5614 __put_user(st.st_ino, &target_st->st_ino);
5615 __put_user(st.st_mode, &target_st->st_mode);
5616 __put_user(st.st_uid, &target_st->st_uid);
5617 __put_user(st.st_gid, &target_st->st_gid);
5618 __put_user(st.st_nlink, &target_st->st_nlink);
5619 __put_user(st.st_rdev, &target_st->st_rdev);
5620 __put_user(st.st_size, &target_st->st_size);
5621 __put_user(st.st_blksize, &target_st->st_blksize);
5622 __put_user(st.st_blocks, &target_st->st_blocks);
5623 __put_user(st.st_atime, &target_st->target_st_atime);
5624 __put_user(st.st_mtime, &target_st->target_st_mtime);
5625 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 5626 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 5627 }
5628 }
5629 break;
ebc05488 5630#ifdef TARGET_NR_olduname
31e31b8a
FB		 5631 case TARGET_NR_olduname:
5632 goto unimplemented;
ebc05488
FB		 5633#endif
5634#ifdef TARGET_NR_iopl
31e31b8a
FB		 5635 case TARGET_NR_iopl:
5636 goto unimplemented;
ebc05488 5637#endif
31e31b8a
FB		 5638 case TARGET_NR_vhangup:
5639 ret = get_errno(vhangup());
5640 break;
ebc05488 5641#ifdef TARGET_NR_idle
31e31b8a
FB		 5642 case TARGET_NR_idle:
5643 goto unimplemented;
42ad6ae9
FB		 5644#endif
5645#ifdef TARGET_NR_syscall
5646 case TARGET_NR_syscall:
5647 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5648 break;
ebc05488 5649#endif
31e31b8a
FB		 5650 case TARGET_NR_wait4:
5651 {
5652 int status;
992f48a0 5653 abi_long status_ptr = arg2;
31e31b8a 5654 struct rusage rusage, *rusage_ptr;
992f48a0 5655 abi_ulong target_rusage = arg4;
31e31b8a
FB		 5656 if (target_rusage)
5657 rusage_ptr = &rusage;
5658 else
5659 rusage_ptr = NULL;
5660 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5661 if (!is_error(ret)) {
2f619698 5662 if (status_ptr) {
1d9d8b55 5663 status = host_to_target_waitstatus(status);
2f619698
FB		 5664 if (put_user_s32(status, status_ptr))
5665 goto efault;
31e31b8a 5666 }
2f619698
FB		 5667 if (target_rusage)
5668 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 5669 }
5670 }
5671 break;
e5febef5 5672#ifdef TARGET_NR_swapoff
31e31b8a 5673 case TARGET_NR_swapoff:
579a97f7
FB		 5674 if (!(p = lock_user_string(arg1)))
5675 goto efault;
53a5960a
PB		 5676 ret = get_errno(swapoff(p));
5677 unlock_user(p, arg1, 0);
31e31b8a 5678 break;
e5febef5 5679#endif
31e31b8a 5680 case TARGET_NR_sysinfo:
a5448a7d 5681 {
53a5960a 5682 struct target_sysinfo *target_value;
a5448a7d
FB		 5683 struct sysinfo value;
5684 ret = get_errno(sysinfo(&value));
53a5960a 5685 if (!is_error(ret) && arg1)
a5448a7d 5686 {
579a97f7
FB		 5687 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5688 goto efault;
a5448a7d
FB		 5689 __put_user(value.uptime, &target_value->uptime);
5690 __put_user(value.loads[0], &target_value->loads[0]);
5691 __put_user(value.loads[1], &target_value->loads[1]);
5692 __put_user(value.loads[2], &target_value->loads[2]);
5693 __put_user(value.totalram, &target_value->totalram);
5694 __put_user(value.freeram, &target_value->freeram);
5695 __put_user(value.sharedram, &target_value->sharedram);
5696 __put_user(value.bufferram, &target_value->bufferram);
5697 __put_user(value.totalswap, &target_value->totalswap);
5698 __put_user(value.freeswap, &target_value->freeswap);
5699 __put_user(value.procs, &target_value->procs);
5700 __put_user(value.totalhigh, &target_value->totalhigh);
5701 __put_user(value.freehigh, &target_value->freehigh);
5702 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 5703 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 5704 }
5705 }
5706 break;
e5febef5 5707#ifdef TARGET_NR_ipc
31e31b8a 5708 case TARGET_NR_ipc:
8853f86e
FB		 5709 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5710 break;
e5febef5 5711#endif
e5289087
AJ		 5712#ifdef TARGET_NR_semget
5713 case TARGET_NR_semget:
5714 ret = get_errno(semget(arg1, arg2, arg3));
5715 break;
5716#endif
5717#ifdef TARGET_NR_semop
5718 case TARGET_NR_semop:
5719 ret = get_errno(do_semop(arg1, arg2, arg3));
5720 break;
5721#endif
5722#ifdef TARGET_NR_semctl
5723 case TARGET_NR_semctl:
5724 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5725 break;
5726#endif
eeb438c1
AJ		 5727#ifdef TARGET_NR_msgctl
5728 case TARGET_NR_msgctl:
5729 ret = do_msgctl(arg1, arg2, arg3);
5730 break;
5731#endif
5732#ifdef TARGET_NR_msgget
5733 case TARGET_NR_msgget:
5734 ret = get_errno(msgget(arg1, arg2));
5735 break;
5736#endif
5737#ifdef TARGET_NR_msgrcv
5738 case TARGET_NR_msgrcv:
5739 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5740 break;
5741#endif
5742#ifdef TARGET_NR_msgsnd
5743 case TARGET_NR_msgsnd:
5744 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5745 break;
88a8c984
RV		 5746#endif
5747#ifdef TARGET_NR_shmget
5748 case TARGET_NR_shmget:
5749 ret = get_errno(shmget(arg1, arg2, arg3));
5750 break;
5751#endif
5752#ifdef TARGET_NR_shmctl
5753 case TARGET_NR_shmctl:
5754 ret = do_shmctl(arg1, arg2, arg3);
5755 break;
5756#endif
5757#ifdef TARGET_NR_shmat
5758 case TARGET_NR_shmat:
5759 ret = do_shmat(arg1, arg2, arg3);
5760 break;
5761#endif
5762#ifdef TARGET_NR_shmdt
5763 case TARGET_NR_shmdt:
5764 ret = do_shmdt(arg1);
5765 break;
eeb438c1 5766#endif
31e31b8a
FB		 5767 case TARGET_NR_fsync:
5768 ret = get_errno(fsync(arg1));
5769 break;
31e31b8a 5770 case TARGET_NR_clone:
0b6d3ae0
AJ		 5771#if defined(TARGET_SH4)
5772 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 5773#elif defined(TARGET_CRIS)
5774 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
0b6d3ae0 5775#else
d865bab5 5776 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 5777#endif
1b6b029e 5778 break;
ec86b0fb
FB		 5779#ifdef __NR_exit_group
5780 /* new thread calls */
5781 case TARGET_NR_exit_group:
9788c9ca 5782#ifdef TARGET_GPROF
6d946cda
AJ		 5783 _mcleanup();
5784#endif
e9009676 5785 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 5786 ret = get_errno(exit_group(arg1));
5787 break;
5788#endif
31e31b8a 5789 case TARGET_NR_setdomainname:
579a97f7
FB		 5790 if (!(p = lock_user_string(arg1)))
5791 goto efault;
53a5960a
PB		 5792 ret = get_errno(setdomainname(p, arg2));
5793 unlock_user(p, arg1, 0);
31e31b8a
FB		 5794 break;
5795 case TARGET_NR_uname:
5796 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 5797 {
5798 struct new_utsname * buf;
3b46e624 5799
579a97f7
FB		 5800 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5801 goto efault;
29e619b1
FB		 5802 ret = get_errno(sys_uname(buf));
5803 if (!is_error(ret)) {
5804 /* Overrite the native machine name with whatever is being
5805 emulated. */
da79030f 5806 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 5807 /* Allow the user to override the reported release. */
5808 if (qemu_uname_release && *qemu_uname_release)
5809 strcpy (buf->release, qemu_uname_release);
29e619b1 5810 }
53a5960a 5811 unlock_user_struct(buf, arg1, 1);
29e619b1 5812 }
31e31b8a 5813 break;
6dbad63e 5814#ifdef TARGET_I386
31e31b8a 5815 case TARGET_NR_modify_ldt:
03acab66 5816 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 5817 break;
84409ddb 5818#if !defined(TARGET_X86_64)
5cd4393b
FB		 5819 case TARGET_NR_vm86old:
5820 goto unimplemented;
5821 case TARGET_NR_vm86:
53a5960a 5822 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 5823 break;
84409ddb 5824#endif
6dbad63e 5825#endif
31e31b8a
FB		 5826 case TARGET_NR_adjtimex:
5827 goto unimplemented;
e5febef5 5828#ifdef TARGET_NR_create_module
31e31b8a 5829 case TARGET_NR_create_module:
e5febef5 5830#endif
31e31b8a
FB		 5831 case TARGET_NR_init_module:
5832 case TARGET_NR_delete_module:
e5febef5 5833#ifdef TARGET_NR_get_kernel_syms
31e31b8a 5834 case TARGET_NR_get_kernel_syms:
e5febef5 5835#endif
31e31b8a
FB		 5836 goto unimplemented;
5837 case TARGET_NR_quotactl:
5838 goto unimplemented;
5839 case TARGET_NR_getpgid:
5840 ret = get_errno(getpgid(arg1));
5841 break;
5842 case TARGET_NR_fchdir:
5843 ret = get_errno(fchdir(arg1));
5844 break;
84409ddb 5845#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 5846 case TARGET_NR_bdflush:
5847 goto unimplemented;
84409ddb 5848#endif
e5febef5 5849#ifdef TARGET_NR_sysfs
31e31b8a
FB		 5850 case TARGET_NR_sysfs:
5851 goto unimplemented;
e5febef5 5852#endif
31e31b8a 5853 case TARGET_NR_personality:
1b6b029e 5854 ret = get_errno(personality(arg1));
31e31b8a 5855 break;
e5febef5 5856#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 5857 case TARGET_NR_afs_syscall:
5858 goto unimplemented;
e5febef5 5859#endif
7a3148a9 5860#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 5861 case TARGET_NR__llseek:
5862 {
4f2ac237
FB		 5863#if defined (__x86_64__)
5864 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2f619698
FB		 5865 if (put_user_s64(ret, arg4))
5866 goto efault;
4f2ac237 5867#else
31e31b8a
FB		 5868 int64_t res;
5869 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2f619698
FB		 5870 if (put_user_s64(res, arg4))
5871 goto efault;
4f2ac237 5872#endif
31e31b8a
FB		 5873 }
5874 break;
7a3148a9 5875#endif
31e31b8a 5876 case TARGET_NR_getdents:
d83c8733 5877#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 5878 {
53a5960a 5879 struct target_dirent *target_dirp;
6556a833 5880 struct linux_dirent *dirp;
992f48a0 5881 abi_long count = arg3;
4add45b4
FB		 5882
5883 dirp = malloc(count);
0da46a6e 5884 if (!dirp) {
579a97f7 5885 ret = -TARGET_ENOMEM;
0da46a6e
TS		 5886 goto fail;
5887 }
3b46e624 5888
4add45b4
FB		 5889 ret = get_errno(sys_getdents(arg1, dirp, count));
5890 if (!is_error(ret)) {
6556a833 5891 struct linux_dirent *de;
4add45b4
FB		 5892 struct target_dirent *tde;
5893 int len = ret;
5894 int reclen, treclen;
5895 int count1, tnamelen;
5896
5897 count1 = 0;
5898 de = dirp;
579a97f7
FB		 5899 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5900 goto efault;
4add45b4
FB		 5901 tde = target_dirp;
5902 while (len > 0) {
5903 reclen = de->d_reclen;
992f48a0 5904 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4
FB		 5905 tde->d_reclen = tswap16(treclen);
5906 tde->d_ino = tswapl(de->d_ino);
5907 tde->d_off = tswapl(de->d_off);
992f48a0 5908 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 5909 if (tnamelen > 256)
5910 tnamelen = 256;
80a9d035 5911 /* XXX: may not be correct */
be15b141 5912 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 5913 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 5914 len -= reclen;
1c5bf3bf 5915 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 5916 count1 += treclen;
5917 }
5918 ret = count1;
579a97f7 5919 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 5920 }
5921 free(dirp);
5922 }
5923#else
31e31b8a 5924 {
6556a833 5925 struct linux_dirent *dirp;
992f48a0 5926 abi_long count = arg3;
dab2ed99 5927
579a97f7
FB		 5928 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5929 goto efault;
72f03900 5930 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 5931 if (!is_error(ret)) {
6556a833 5932 struct linux_dirent *de;
31e31b8a
FB		 5933 int len = ret;
5934 int reclen;
5935 de = dirp;
5936 while (len > 0) {
8083a3e5 5937 reclen = de->d_reclen;
31e31b8a
FB		 5938 if (reclen > len)
5939 break;
8083a3e5 5940 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 5941 tswapls(&de->d_ino);
5942 tswapls(&de->d_off);
6556a833 5943 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 5944 len -= reclen;
5945 }
5946 }
53a5960a 5947 unlock_user(dirp, arg2, ret);
31e31b8a 5948 }
4add45b4 5949#endif
31e31b8a 5950 break;
3ae43202 5951#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 5952 case TARGET_NR_getdents64:
5953 {
6556a833 5954 struct linux_dirent64 *dirp;
992f48a0 5955 abi_long count = arg3;
579a97f7
FB		 5956 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5957 goto efault;
dab2ed99
FB		 5958 ret = get_errno(sys_getdents64(arg1, dirp, count));
5959 if (!is_error(ret)) {
6556a833 5960 struct linux_dirent64 *de;
dab2ed99
FB		 5961 int len = ret;
5962 int reclen;
5963 de = dirp;
5964 while (len > 0) {
8083a3e5 5965 reclen = de->d_reclen;
dab2ed99
FB		 5966 if (reclen > len)
5967 break;
8083a3e5 5968 de->d_reclen = tswap16(reclen);
8582a53a
FB		 5969 tswap64s((uint64_t *)&de->d_ino);
5970 tswap64s((uint64_t *)&de->d_off);
6556a833 5971 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 5972 len -= reclen;
5973 }
5974 }
53a5960a 5975 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 5976 }
5977 break;
a541f297 5978#endif /* TARGET_NR_getdents64 */
e5febef5 5979#ifdef TARGET_NR__newselect
31e31b8a 5980 case TARGET_NR__newselect:
53a5960a 5981 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 5982 break;
e5febef5
TS		 5983#endif
5984#ifdef TARGET_NR_poll
9de5e440
FB		 5985 case TARGET_NR_poll:
5986 {
53a5960a 5987 struct target_pollfd *target_pfd;
9de5e440
FB		 5988 unsigned int nfds = arg2;
5989 int timeout = arg3;
5990 struct pollfd *pfd;
7854b056 5991 unsigned int i;
9de5e440 5992
579a97f7
FB		 5993 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5994 if (!target_pfd)
5995 goto efault;
9de5e440
FB		 5996 pfd = alloca(sizeof(struct pollfd) * nfds);
5997 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 5998 pfd[i].fd = tswap32(target_pfd[i].fd);
5999 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 6000 }
6001 ret = get_errno(poll(pfd, nfds, timeout));
6002 if (!is_error(ret)) {
6003 for(i = 0; i < nfds; i++) {
5cd4393b 6004 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 6005 }
53a5960a
PB		 6006 ret += nfds * (sizeof(struct target_pollfd)
6007 - sizeof(struct pollfd));
9de5e440 6008 }
53a5960a 6009 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 6010 }
6011 break;
e5febef5 6012#endif
31e31b8a 6013 case TARGET_NR_flock:
9de5e440
FB		 6014 /* NOTE: the flock constant seems to be the same for every
6015 Linux platform */
6016 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 6017 break;
6018 case TARGET_NR_readv:
6019 {
6020 int count = arg3;
31e31b8a 6021 struct iovec *vec;
31e31b8a
FB		 6022
6023 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 6024 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
6025 goto efault;
31e31b8a 6026 ret = get_errno(readv(arg1, vec, count));
53a5960a 6027 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 6028 }
6029 break;
6030 case TARGET_NR_writev:
6031 {
6032 int count = arg3;
31e31b8a 6033 struct iovec *vec;
31e31b8a
FB		 6034
6035 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 6036 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6037 goto efault;
31e31b8a 6038 ret = get_errno(writev(arg1, vec, count));
53a5960a 6039 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 6040 }
6041 break;
6042 case TARGET_NR_getsid:
6043 ret = get_errno(getsid(arg1));
6044 break;
7a3148a9 6045#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 6046 case TARGET_NR_fdatasync:
5cd4393b
FB		 6047 ret = get_errno(fdatasync(arg1));
6048 break;
7a3148a9 6049#endif
31e31b8a 6050 case TARGET_NR__sysctl:
0da46a6e 6051 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 6052 return value. */
0da46a6e
TS		 6053 ret = -TARGET_ENOTDIR;
6054 break;
31e31b8a 6055 case TARGET_NR_sched_setparam:
5cd4393b 6056 {
53a5960a 6057 struct sched_param *target_schp;
5cd4393b 6058 struct sched_param schp;
53a5960a 6059
579a97f7
FB		 6060 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
6061 goto efault;
5cd4393b 6062 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6063 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 6064 ret = get_errno(sched_setparam(arg1, &schp));
6065 }
6066 break;
31e31b8a 6067 case TARGET_NR_sched_getparam:
5cd4393b 6068 {
53a5960a 6069 struct sched_param *target_schp;
5cd4393b
FB		 6070 struct sched_param schp;
6071 ret = get_errno(sched_getparam(arg1, &schp));
6072 if (!is_error(ret)) {
579a97f7
FB		 6073 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
6074 goto efault;
5cd4393b 6075 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 6076 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 6077 }
6078 }
6079 break;
31e31b8a 6080 case TARGET_NR_sched_setscheduler:
5cd4393b 6081 {
53a5960a 6082 struct sched_param *target_schp;
5cd4393b 6083 struct sched_param schp;
579a97f7
FB		 6084 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
6085 goto efault;
5cd4393b 6086 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6087 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 6088 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
6089 }
6090 break;
31e31b8a 6091 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 6092 ret = get_errno(sched_getscheduler(arg1));
6093 break;
31e31b8a
FB		 6094 case TARGET_NR_sched_yield:
6095 ret = get_errno(sched_yield());
6096 break;
6097 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 6098 ret = get_errno(sched_get_priority_max(arg1));
6099 break;
31e31b8a 6100 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 6101 ret = get_errno(sched_get_priority_min(arg1));
6102 break;
31e31b8a 6103 case TARGET_NR_sched_rr_get_interval:
5cd4393b 6104 {
5cd4393b
FB		 6105 struct timespec ts;
6106 ret = get_errno(sched_rr_get_interval(arg1, &ts));
6107 if (!is_error(ret)) {
53a5960a 6108 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 6109 }
6110 }
6111 break;
31e31b8a 6112 case TARGET_NR_nanosleep:
1b6b029e 6113 {
1b6b029e 6114 struct timespec req, rem;
53a5960a 6115 target_to_host_timespec(&req, arg1);
1b6b029e 6116 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 6117 if (is_error(ret) && arg2) {
6118 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 6119 }
6120 }
6121 break;
e5febef5 6122#ifdef TARGET_NR_query_module
31e31b8a 6123 case TARGET_NR_query_module:
5cd4393b 6124 goto unimplemented;
e5febef5
TS		 6125#endif
6126#ifdef TARGET_NR_nfsservctl
31e31b8a 6127 case TARGET_NR_nfsservctl:
5cd4393b 6128 goto unimplemented;
e5febef5 6129#endif
31e31b8a 6130 case TARGET_NR_prctl:
e5574487
TS		 6131 switch (arg1)
6132 {
6133 case PR_GET_PDEATHSIG:
6134 {
6135 int deathsig;
6136 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 6137 if (!is_error(ret) && arg2
6138 && put_user_ual(deathsig, arg2))
6139 goto efault;
e5574487
TS		 6140 }
6141 break;
6142 default:
6143 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6144 break;
6145 }
39b9aae1 6146 break;
d2fd1af7
FB		 6147#ifdef TARGET_NR_arch_prctl
6148 case TARGET_NR_arch_prctl:
6149#if defined(TARGET_I386) && !defined(TARGET_ABI32)
6150 ret = do_arch_prctl(cpu_env, arg1, arg2);
6151 break;
6152#else
6153 goto unimplemented;
6154#endif
6155#endif
67867308 6156#ifdef TARGET_NR_pread
31e31b8a 6157 case TARGET_NR_pread:
a4ae00bc
AZ		 6158#ifdef TARGET_ARM
6159 if (((CPUARMState *)cpu_env)->eabi)
6160 arg4 = arg5;
6161#endif
579a97f7
FB		 6162 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6163 goto efault;
53a5960a
PB		 6164 ret = get_errno(pread(arg1, p, arg3, arg4));
6165 unlock_user(p, arg2, ret);
206f0fa7 6166 break;
31e31b8a 6167 case TARGET_NR_pwrite:
a4ae00bc
AZ		 6168#ifdef TARGET_ARM
6169 if (((CPUARMState *)cpu_env)->eabi)
6170 arg4 = arg5;
6171#endif
579a97f7
FB		 6172 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6173 goto efault;
53a5960a
PB		 6174 ret = get_errno(pwrite(arg1, p, arg3, arg4));
6175 unlock_user(p, arg2, 0);
206f0fa7 6176 break;
f2c7ba15
AJ		 6177#endif
6178#ifdef TARGET_NR_pread64
6179 case TARGET_NR_pread64:
6180 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6181 goto efault;
6182 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6183 unlock_user(p, arg2, ret);
6184 break;
6185 case TARGET_NR_pwrite64:
6186 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6187 goto efault;
6188 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6189 unlock_user(p, arg2, 0);
6190 break;
67867308 6191#endif
31e31b8a 6192 case TARGET_NR_getcwd:
579a97f7
FB		 6193 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6194 goto efault;
53a5960a
PB		 6195 ret = get_errno(sys_getcwd1(p, arg2));
6196 unlock_user(p, arg1, ret);
31e31b8a
FB		 6197 break;
6198 case TARGET_NR_capget:
5cd4393b 6199 goto unimplemented;
31e31b8a 6200 case TARGET_NR_capset:
5cd4393b 6201 goto unimplemented;
31e31b8a 6202 case TARGET_NR_sigaltstack:
198a74de 6203#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154
LV		 6204 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
6205 defined(TARGET_M68K)
579a97f7 6206 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
a04e134a
TS		 6207 break;
6208#else
5cd4393b 6209 goto unimplemented;
a04e134a 6210#endif
31e31b8a 6211 case TARGET_NR_sendfile:
5cd4393b 6212 goto unimplemented;
ebc05488 6213#ifdef TARGET_NR_getpmsg
31e31b8a 6214 case TARGET_NR_getpmsg:
5cd4393b 6215 goto unimplemented;
ebc05488
FB		 6216#endif
6217#ifdef TARGET_NR_putpmsg
31e31b8a 6218 case TARGET_NR_putpmsg:
5cd4393b 6219 goto unimplemented;
ebc05488 6220#endif
048f6b4d 6221#ifdef TARGET_NR_vfork
31e31b8a 6222 case TARGET_NR_vfork:
d865bab5
PB		 6223 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6224 0, 0, 0, 0));
31e31b8a 6225 break;
048f6b4d 6226#endif
ebc05488 6227#ifdef TARGET_NR_ugetrlimit
31e31b8a 6228 case TARGET_NR_ugetrlimit:
728584be
FB		 6229 {
6230 struct rlimit rlim;
6231 ret = get_errno(getrlimit(arg1, &rlim));
6232 if (!is_error(ret)) {
53a5960a 6233 struct target_rlimit *target_rlim;
579a97f7
FB		 6234 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6235 goto efault;
728584be
FB		 6236 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
6237 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 6238 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 6239 }
6240 break;
6241 }
ebc05488 6242#endif
a315a145 6243#ifdef TARGET_NR_truncate64
31e31b8a 6244 case TARGET_NR_truncate64:
579a97f7
FB		 6245 if (!(p = lock_user_string(arg1)))
6246 goto efault;
53a5960a
PB		 6247 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6248 unlock_user(p, arg1, 0);
667f38b1 6249 break;
a315a145
FB		 6250#endif
6251#ifdef TARGET_NR_ftruncate64
31e31b8a 6252 case TARGET_NR_ftruncate64:
ce4defa0 6253 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 6254 break;
a315a145
FB		 6255#endif
6256#ifdef TARGET_NR_stat64
31e31b8a 6257 case TARGET_NR_stat64:
579a97f7
FB		 6258 if (!(p = lock_user_string(arg1)))
6259 goto efault;
53a5960a
PB		 6260 ret = get_errno(stat(path(p), &st));
6261 unlock_user(p, arg1, 0);
6a24a778
AZ		 6262 if (!is_error(ret))
6263 ret = host_to_target_stat64(cpu_env, arg2, &st);
6264 break;
a315a145
FB		 6265#endif
6266#ifdef TARGET_NR_lstat64
31e31b8a 6267 case TARGET_NR_lstat64:
579a97f7
FB		 6268 if (!(p = lock_user_string(arg1)))
6269 goto efault;
53a5960a
PB		 6270 ret = get_errno(lstat(path(p), &st));
6271 unlock_user(p, arg1, 0);
6a24a778
AZ		 6272 if (!is_error(ret))
6273 ret = host_to_target_stat64(cpu_env, arg2, &st);
6274 break;
a315a145
FB		 6275#endif
6276#ifdef TARGET_NR_fstat64
31e31b8a 6277 case TARGET_NR_fstat64:
6a24a778
AZ		 6278 ret = get_errno(fstat(arg1, &st));
6279 if (!is_error(ret))
6280 ret = host_to_target_stat64(cpu_env, arg2, &st);
6281 break;
ce4defa0 6282#endif
9d33b76b
AJ		 6283#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6284 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6285#ifdef TARGET_NR_fstatat64
6a24a778 6286 case TARGET_NR_fstatat64:
9d33b76b
AJ		 6287#endif
6288#ifdef TARGET_NR_newfstatat
6289 case TARGET_NR_newfstatat:
6290#endif
6a24a778
AZ		 6291 if (!(p = lock_user_string(arg2)))
6292 goto efault;
9d33b76b 6293#ifdef __NR_fstatat64
6a24a778 6294 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 6295#else
6296 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6297#endif
6a24a778
AZ		 6298 if (!is_error(ret))
6299 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 6300 break;
a315a145 6301#endif
67867308
FB		 6302#ifdef USE_UID16
6303 case TARGET_NR_lchown:
579a97f7
FB		 6304 if (!(p = lock_user_string(arg1)))
6305 goto efault;
53a5960a
PB		 6306 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6307 unlock_user(p, arg1, 0);
67867308
FB		 6308 break;
6309 case TARGET_NR_getuid:
6310 ret = get_errno(high2lowuid(getuid()));
6311 break;
6312 case TARGET_NR_getgid:
6313 ret = get_errno(high2lowgid(getgid()));
6314 break;
6315 case TARGET_NR_geteuid:
6316 ret = get_errno(high2lowuid(geteuid()));
6317 break;
6318 case TARGET_NR_getegid:
6319 ret = get_errno(high2lowgid(getegid()));
6320 break;
6321 case TARGET_NR_setreuid:
6322 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6323 break;
6324 case TARGET_NR_setregid:
6325 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6326 break;
6327 case TARGET_NR_getgroups:
6328 {
6329 int gidsetsize = arg1;
53a5960a 6330 uint16_t *target_grouplist;
67867308
FB		 6331 gid_t *grouplist;
6332 int i;
6333
6334 grouplist = alloca(gidsetsize * sizeof(gid_t));
6335 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6336 if (gidsetsize == 0)
6337 break;
67867308 6338 if (!is_error(ret)) {
579a97f7
FB		 6339 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6340 if (!target_grouplist)
6341 goto efault;
a2155fcc 6342 for(i = 0;i < ret; i++)
67867308 6343 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 6344 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 6345 }
6346 }
6347 break;
6348 case TARGET_NR_setgroups:
6349 {
6350 int gidsetsize = arg1;
53a5960a 6351 uint16_t *target_grouplist;
67867308
FB		 6352 gid_t *grouplist;
6353 int i;
6354
6355 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6356 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6357 if (!target_grouplist) {
6358 ret = -TARGET_EFAULT;
6359 goto fail;
6360 }
67867308
FB		 6361 for(i = 0;i < gidsetsize; i++)
6362 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 6363 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 6364 ret = get_errno(setgroups(gidsetsize, grouplist));
6365 }
6366 break;
6367 case TARGET_NR_fchown:
6368 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6369 break;
ccfa72b7
TS		 6370#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6371 case TARGET_NR_fchownat:
579a97f7
FB		 6372 if (!(p = lock_user_string(arg2)))
6373 goto efault;
6374 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6375 unlock_user(p, arg2, 0);
ccfa72b7
TS		 6376 break;
6377#endif
67867308
FB		 6378#ifdef TARGET_NR_setresuid
6379 case TARGET_NR_setresuid:
5fafdf24
TS		 6380 ret = get_errno(setresuid(low2highuid(arg1),
6381 low2highuid(arg2),
67867308
FB		 6382 low2highuid(arg3)));
6383 break;
6384#endif
6385#ifdef TARGET_NR_getresuid
6386 case TARGET_NR_getresuid:
6387 {
53a5960a 6388 uid_t ruid, euid, suid;
67867308
FB		 6389 ret = get_errno(getresuid(&ruid, &euid, &suid));
6390 if (!is_error(ret)) {
2f619698
FB		 6391 if (put_user_u16(high2lowuid(ruid), arg1)
6392 || put_user_u16(high2lowuid(euid), arg2)
6393 || put_user_u16(high2lowuid(suid), arg3))
6394 goto efault;
67867308
FB		 6395 }
6396 }
6397 break;
6398#endif
6399#ifdef TARGET_NR_getresgid
6400 case TARGET_NR_setresgid:
5fafdf24
TS		 6401 ret = get_errno(setresgid(low2highgid(arg1),
6402 low2highgid(arg2),
67867308
FB		 6403 low2highgid(arg3)));
6404 break;
6405#endif
6406#ifdef TARGET_NR_getresgid
6407 case TARGET_NR_getresgid:
6408 {
53a5960a 6409 gid_t rgid, egid, sgid;
67867308
FB		 6410 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6411 if (!is_error(ret)) {
2f619698
FB		 6412 if (put_user_u16(high2lowgid(rgid), arg1)
6413 || put_user_u16(high2lowgid(egid), arg2)
6414 || put_user_u16(high2lowgid(sgid), arg3))
6415 goto efault;
67867308
FB		 6416 }
6417 }
6418 break;
6419#endif
6420 case TARGET_NR_chown:
579a97f7
FB		 6421 if (!(p = lock_user_string(arg1)))
6422 goto efault;
53a5960a
PB		 6423 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6424 unlock_user(p, arg1, 0);
67867308
FB		 6425 break;
6426 case TARGET_NR_setuid:
6427 ret = get_errno(setuid(low2highuid(arg1)));
6428 break;
6429 case TARGET_NR_setgid:
6430 ret = get_errno(setgid(low2highgid(arg1)));
6431 break;
6432 case TARGET_NR_setfsuid:
6433 ret = get_errno(setfsuid(arg1));
6434 break;
6435 case TARGET_NR_setfsgid:
6436 ret = get_errno(setfsgid(arg1));
6437 break;
6438#endif /* USE_UID16 */
6439
a315a145 6440#ifdef TARGET_NR_lchown32
31e31b8a 6441 case TARGET_NR_lchown32:
579a97f7
FB		 6442 if (!(p = lock_user_string(arg1)))
6443 goto efault;
53a5960a
PB		 6444 ret = get_errno(lchown(p, arg2, arg3));
6445 unlock_user(p, arg1, 0);
b03c60f3 6446 break;
a315a145
FB		 6447#endif
6448#ifdef TARGET_NR_getuid32
31e31b8a 6449 case TARGET_NR_getuid32:
b03c60f3
FB		 6450 ret = get_errno(getuid());
6451 break;
a315a145 6452#endif
64b4d28c
AJ		 6453
6454#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6455 /* Alpha specific */
6456 case TARGET_NR_getxuid:
ba0e276d
RH		 6457 {
6458 uid_t euid;
6459 euid=geteuid();
6460 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6461 }
64b4d28c
AJ		 6462 ret = get_errno(getuid());
6463 break;
6464#endif
6465#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6466 /* Alpha specific */
6467 case TARGET_NR_getxgid:
ba0e276d
RH		 6468 {
6469 uid_t egid;
6470 egid=getegid();
6471 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6472 }
64b4d28c
AJ		 6473 ret = get_errno(getgid());
6474 break;
6475#endif
ba0e276d
RH		 6476#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
6477 /* Alpha specific */
6478 case TARGET_NR_osf_getsysinfo:
6479 ret = -TARGET_EOPNOTSUPP;
6480 switch (arg1) {
6481 case TARGET_GSI_IEEE_FP_CONTROL:
6482 {
6483 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
6484
6485 /* Copied from linux ieee_fpcr_to_swcr. */
6486 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
6487 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
6488 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
6489 | SWCR_TRAP_ENABLE_DZE
6490 | SWCR_TRAP_ENABLE_OVF);
6491 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
6492 | SWCR_TRAP_ENABLE_INE);
6493 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
6494 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
6495
6496 if (put_user_u64 (swcr, arg2))
6497 goto efault;
6498 ret = 0;
6499 }
6500 break;
6501
6502 /* case GSI_IEEE_STATE_AT_SIGNAL:
6503 -- Not implemented in linux kernel.
6504 case GSI_UACPROC:
6505 -- Retrieves current unaligned access state; not much used.
6506 case GSI_PROC_TYPE:
6507 -- Retrieves implver information; surely not used.
6508 case GSI_GET_HWRPB:
6509 -- Grabs a copy of the HWRPB; surely not used.
6510 */
6511 }
6512 break;
6513#endif
6514#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
6515 /* Alpha specific */
6516 case TARGET_NR_osf_setsysinfo:
6517 ret = -TARGET_EOPNOTSUPP;
6518 switch (arg1) {
6519 case TARGET_SSI_IEEE_FP_CONTROL:
6520 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
6521 {
6522 uint64_t swcr, fpcr, orig_fpcr;
6523
6524 if (get_user_u64 (swcr, arg2))
6525 goto efault;
6526 orig_fpcr = cpu_alpha_load_fpcr (cpu_env);
6527 fpcr = orig_fpcr & FPCR_DYN_MASK;
6528
6529 /* Copied from linux ieee_swcr_to_fpcr. */
6530 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
6531 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
6532 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
6533 | SWCR_TRAP_ENABLE_DZE
6534 | SWCR_TRAP_ENABLE_OVF)) << 48;
6535 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
6536 | SWCR_TRAP_ENABLE_INE)) << 57;
6537 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
6538 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
6539
6540 cpu_alpha_store_fpcr (cpu_env, fpcr);
6541 ret = 0;
6542
6543 if (arg1 == TARGET_SSI_IEEE_RAISE_EXCEPTION) {
6544 /* Old exceptions are not signaled. */
6545 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
6546
6547 /* If any exceptions set by this call, and are unmasked,
6548 send a signal. */
6549 /* ??? FIXME */
6550 }
6551 }
6552 break;
6553
6554 /* case SSI_NVPAIRS:
6555 -- Used with SSIN_UACPROC to enable unaligned accesses.
6556 case SSI_IEEE_STATE_AT_SIGNAL:
6557 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
6558 -- Not implemented in linux kernel
6559 */
6560 }
6561 break;
6562#endif
6563#ifdef TARGET_NR_osf_sigprocmask
6564 /* Alpha specific. */
6565 case TARGET_NR_osf_sigprocmask:
6566 {
6567 abi_ulong mask;
6568 int how = arg1;
6569 sigset_t set, oldset;
6570
6571 switch(arg1) {
6572 case TARGET_SIG_BLOCK:
6573 how = SIG_BLOCK;
6574 break;
6575 case TARGET_SIG_UNBLOCK:
6576 how = SIG_UNBLOCK;
6577 break;
6578 case TARGET_SIG_SETMASK:
6579 how = SIG_SETMASK;
6580 break;
6581 default:
6582 ret = -TARGET_EINVAL;
6583 goto fail;
6584 }
6585 mask = arg2;
6586 target_to_host_old_sigset(&set, &mask);
6587 sigprocmask(arg1, &set, &oldset);
6588 host_to_target_old_sigset(&mask, &oldset);
6589 ret = mask;
6590 }
6591 break;
6592#endif
64b4d28c 6593
a315a145 6594#ifdef TARGET_NR_getgid32
31e31b8a 6595 case TARGET_NR_getgid32:
b03c60f3
FB		 6596 ret = get_errno(getgid());
6597 break;
a315a145
FB		 6598#endif
6599#ifdef TARGET_NR_geteuid32
31e31b8a 6600 case TARGET_NR_geteuid32:
b03c60f3
FB		 6601 ret = get_errno(geteuid());
6602 break;
a315a145
FB		 6603#endif
6604#ifdef TARGET_NR_getegid32
31e31b8a 6605 case TARGET_NR_getegid32:
b03c60f3
FB		 6606 ret = get_errno(getegid());
6607 break;
a315a145
FB		 6608#endif
6609#ifdef TARGET_NR_setreuid32
31e31b8a 6610 case TARGET_NR_setreuid32:
b03c60f3
FB		 6611 ret = get_errno(setreuid(arg1, arg2));
6612 break;
a315a145
FB		 6613#endif
6614#ifdef TARGET_NR_setregid32
31e31b8a 6615 case TARGET_NR_setregid32:
b03c60f3
FB		 6616 ret = get_errno(setregid(arg1, arg2));
6617 break;
a315a145
FB		 6618#endif
6619#ifdef TARGET_NR_getgroups32
31e31b8a 6620 case TARGET_NR_getgroups32:
99c475ab
FB		 6621 {
6622 int gidsetsize = arg1;
53a5960a 6623 uint32_t *target_grouplist;
99c475ab
FB		 6624 gid_t *grouplist;
6625 int i;
6626
6627 grouplist = alloca(gidsetsize * sizeof(gid_t));
6628 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6629 if (gidsetsize == 0)
6630 break;
99c475ab 6631 if (!is_error(ret)) {
579a97f7
FB		 6632 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6633 if (!target_grouplist) {
6634 ret = -TARGET_EFAULT;
6635 goto fail;
6636 }
a2155fcc 6637 for(i = 0;i < ret; i++)
53a5960a
PB		 6638 target_grouplist[i] = tswap32(grouplist[i]);
6639 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 6640 }
6641 }
6642 break;
a315a145
FB		 6643#endif
6644#ifdef TARGET_NR_setgroups32
31e31b8a 6645 case TARGET_NR_setgroups32:
99c475ab
FB		 6646 {
6647 int gidsetsize = arg1;
53a5960a 6648 uint32_t *target_grouplist;
99c475ab
FB		 6649 gid_t *grouplist;
6650 int i;
3b46e624 6651
99c475ab 6652 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6653 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6654 if (!target_grouplist) {
6655 ret = -TARGET_EFAULT;
6656 goto fail;
6657 }
99c475ab 6658 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 6659 grouplist[i] = tswap32(target_grouplist[i]);
6660 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 6661 ret = get_errno(setgroups(gidsetsize, grouplist));
6662 }
6663 break;
a315a145
FB		 6664#endif
6665#ifdef TARGET_NR_fchown32
31e31b8a 6666 case TARGET_NR_fchown32:
b03c60f3
FB		 6667 ret = get_errno(fchown(arg1, arg2, arg3));
6668 break;
a315a145
FB		 6669#endif
6670#ifdef TARGET_NR_setresuid32
31e31b8a 6671 case TARGET_NR_setresuid32:
b03c60f3
FB		 6672 ret = get_errno(setresuid(arg1, arg2, arg3));
6673 break;
a315a145
FB		 6674#endif
6675#ifdef TARGET_NR_getresuid32
31e31b8a 6676 case TARGET_NR_getresuid32:
b03c60f3 6677 {
53a5960a 6678 uid_t ruid, euid, suid;
b03c60f3
FB		 6679 ret = get_errno(getresuid(&ruid, &euid, &suid));
6680 if (!is_error(ret)) {
2f619698
FB		 6681 if (put_user_u32(ruid, arg1)
6682 || put_user_u32(euid, arg2)
6683 || put_user_u32(suid, arg3))
6684 goto efault;
b03c60f3
FB		 6685 }
6686 }
6687 break;
a315a145
FB		 6688#endif
6689#ifdef TARGET_NR_setresgid32
31e31b8a 6690 case TARGET_NR_setresgid32:
b03c60f3
FB		 6691 ret = get_errno(setresgid(arg1, arg2, arg3));
6692 break;
a315a145
FB		 6693#endif
6694#ifdef TARGET_NR_getresgid32
31e31b8a 6695 case TARGET_NR_getresgid32:
b03c60f3 6696 {
53a5960a 6697 gid_t rgid, egid, sgid;
b03c60f3
FB		 6698 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6699 if (!is_error(ret)) {
2f619698
FB		 6700 if (put_user_u32(rgid, arg1)
6701 || put_user_u32(egid, arg2)
6702 || put_user_u32(sgid, arg3))
6703 goto efault;
b03c60f3
FB		 6704 }
6705 }
6706 break;
a315a145
FB		 6707#endif
6708#ifdef TARGET_NR_chown32
31e31b8a 6709 case TARGET_NR_chown32:
579a97f7
FB		 6710 if (!(p = lock_user_string(arg1)))
6711 goto efault;
53a5960a
PB		 6712 ret = get_errno(chown(p, arg2, arg3));
6713 unlock_user(p, arg1, 0);
b03c60f3 6714 break;
a315a145
FB		 6715#endif
6716#ifdef TARGET_NR_setuid32
31e31b8a 6717 case TARGET_NR_setuid32:
b03c60f3
FB		 6718 ret = get_errno(setuid(arg1));
6719 break;
a315a145
FB		 6720#endif
6721#ifdef TARGET_NR_setgid32
31e31b8a 6722 case TARGET_NR_setgid32:
b03c60f3
FB		 6723 ret = get_errno(setgid(arg1));
6724 break;
a315a145
FB		 6725#endif
6726#ifdef TARGET_NR_setfsuid32
31e31b8a 6727 case TARGET_NR_setfsuid32:
b03c60f3
FB		 6728 ret = get_errno(setfsuid(arg1));
6729 break;
a315a145
FB		 6730#endif
6731#ifdef TARGET_NR_setfsgid32
31e31b8a 6732 case TARGET_NR_setfsgid32:
b03c60f3
FB		 6733 ret = get_errno(setfsgid(arg1));
6734 break;
a315a145 6735#endif
67867308 6736
31e31b8a 6737 case TARGET_NR_pivot_root:
b03c60f3 6738 goto unimplemented;
ffa65c3b 6739#ifdef TARGET_NR_mincore
31e31b8a 6740 case TARGET_NR_mincore:
04bb9ace
AJ		 6741 {
6742 void *a;
6743 ret = -TARGET_EFAULT;
6744 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6745 goto efault;
6746 if (!(p = lock_user_string(arg3)))
6747 goto mincore_fail;
6748 ret = get_errno(mincore(a, arg2, p));
6749 unlock_user(p, arg3, ret);
6750 mincore_fail:
6751 unlock_user(a, arg1, 0);
6752 }
6753 break;
ffa65c3b 6754#endif
408321b6
AJ		 6755#ifdef TARGET_NR_arm_fadvise64_64
6756 case TARGET_NR_arm_fadvise64_64:
6757 {
6758 /*
6759 * arm_fadvise64_64 looks like fadvise64_64 but
6760 * with different argument order
6761 */
6762 abi_long temp;
6763 temp = arg3;
6764 arg3 = arg4;
6765 arg4 = temp;
6766 }
6767#endif
e72d2cc7 6768#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 6769#ifdef TARGET_NR_fadvise64_64
6770 case TARGET_NR_fadvise64_64:
6771#endif
e72d2cc7
UH		 6772#ifdef TARGET_NR_fadvise64
6773 case TARGET_NR_fadvise64:
6774#endif
6775#ifdef TARGET_S390X
6776 switch (arg4) {
6777 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
6778 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
6779 case 6: arg4 = POSIX_FADV_DONTNEED; break;
6780 case 7: arg4 = POSIX_FADV_NOREUSE; break;
6781 default: break;
6782 }
6783#endif
6784 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 6785 break;
6786#endif
ffa65c3b 6787#ifdef TARGET_NR_madvise
31e31b8a 6788 case TARGET_NR_madvise:
24836689
PB		 6789 /* A straight passthrough may not be safe because qemu sometimes
6790 turns private flie-backed mappings into anonymous mappings.
6791 This will break MADV_DONTNEED.
6792 This is a hint, so ignoring and returning success is ok. */
6793 ret = get_errno(0);
6794 break;
ffa65c3b 6795#endif
992f48a0 6796#if TARGET_ABI_BITS == 32
31e31b8a 6797 case TARGET_NR_fcntl64:
77e4672d 6798 {
b1e341eb 6799 int cmd;
77e4672d 6800 struct flock64 fl;
53a5960a 6801 struct target_flock64 *target_fl;
ce4defa0 6802#ifdef TARGET_ARM
53a5960a 6803 struct target_eabi_flock64 *target_efl;
ce4defa0 6804#endif
77e4672d 6805
5f106811
APR		 6806 cmd = target_to_host_fcntl_cmd(arg2);
6807 if (cmd == -TARGET_EINVAL)
6808 return cmd;
b1e341eb 6809
60cd49d5 6810 switch(arg2) {
b1e341eb 6811 case TARGET_F_GETLK64:
5813427b
TS		 6812#ifdef TARGET_ARM
6813 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6814 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6815 goto efault;
5813427b
TS		 6816 fl.l_type = tswap16(target_efl->l_type);
6817 fl.l_whence = tswap16(target_efl->l_whence);
6818 fl.l_start = tswap64(target_efl->l_start);
6819 fl.l_len = tswap64(target_efl->l_len);
7e22e546 6820 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 6821 unlock_user_struct(target_efl, arg3, 0);
6822 } else
6823#endif
6824 {
9ee1fa2c
FB		 6825 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6826 goto efault;
5813427b
TS		 6827 fl.l_type = tswap16(target_fl->l_type);
6828 fl.l_whence = tswap16(target_fl->l_whence);
6829 fl.l_start = tswap64(target_fl->l_start);
6830 fl.l_len = tswap64(target_fl->l_len);
7e22e546 6831 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 6832 unlock_user_struct(target_fl, arg3, 0);
6833 }
b1e341eb 6834 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6835 if (ret == 0) {
ce4defa0
PB		 6836#ifdef TARGET_ARM
6837 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6838 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6839 goto efault;
ce4defa0
PB		 6840 target_efl->l_type = tswap16(fl.l_type);
6841 target_efl->l_whence = tswap16(fl.l_whence);
6842 target_efl->l_start = tswap64(fl.l_start);
6843 target_efl->l_len = tswap64(fl.l_len);
7e22e546 6844 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 6845 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 6846 } else
6847#endif
6848 {
9ee1fa2c
FB		 6849 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6850 goto efault;
ce4defa0
PB		 6851 target_fl->l_type = tswap16(fl.l_type);
6852 target_fl->l_whence = tswap16(fl.l_whence);
6853 target_fl->l_start = tswap64(fl.l_start);
6854 target_fl->l_len = tswap64(fl.l_len);
7e22e546 6855 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 6856 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 6857 }
77e4672d
FB		 6858 }
6859 break;
6860
b1e341eb
TS		 6861 case TARGET_F_SETLK64:
6862 case TARGET_F_SETLKW64:
ce4defa0
PB		 6863#ifdef TARGET_ARM
6864 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6865 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6866 goto efault;
ce4defa0
PB		 6867 fl.l_type = tswap16(target_efl->l_type);
6868 fl.l_whence = tswap16(target_efl->l_whence);
6869 fl.l_start = tswap64(target_efl->l_start);
6870 fl.l_len = tswap64(target_efl->l_len);
7e22e546 6871 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 6872 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 6873 } else
6874#endif
6875 {
9ee1fa2c
FB		 6876 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6877 goto efault;
ce4defa0
PB		 6878 fl.l_type = tswap16(target_fl->l_type);
6879 fl.l_whence = tswap16(target_fl->l_whence);
6880 fl.l_start = tswap64(target_fl->l_start);
6881 fl.l_len = tswap64(target_fl->l_len);
7e22e546 6882 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 6883 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 6884 }
b1e341eb 6885 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6886 break;
60cd49d5 6887 default:
5f106811 6888 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 6889 break;
6890 }
77e4672d
FB		 6891 break;
6892 }
60cd49d5 6893#endif
7d600c80
TS		 6894#ifdef TARGET_NR_cacheflush
6895 case TARGET_NR_cacheflush:
6896 /* self-modifying code is handled automatically, so nothing needed */
6897 ret = 0;
6898 break;
6899#endif
ebc05488 6900#ifdef TARGET_NR_security
31e31b8a
FB		 6901 case TARGET_NR_security:
6902 goto unimplemented;
c573ff67
FB		 6903#endif
6904#ifdef TARGET_NR_getpagesize
6905 case TARGET_NR_getpagesize:
6906 ret = TARGET_PAGE_SIZE;
6907 break;
ebc05488 6908#endif
31e31b8a
FB		 6909 case TARGET_NR_gettid:
6910 ret = get_errno(gettid());
6911 break;
e5febef5 6912#ifdef TARGET_NR_readahead
31e31b8a 6913 case TARGET_NR_readahead:
2054ac9b
AJ		 6914#if TARGET_ABI_BITS == 32
6915#ifdef TARGET_ARM
6916 if (((CPUARMState *)cpu_env)->eabi)
6917 {
6918 arg2 = arg3;
6919 arg3 = arg4;
6920 arg4 = arg5;
6921 }
6922#endif
6923 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
6924#else
6925 ret = get_errno(readahead(arg1, arg2, arg3));
6926#endif
6927 break;
e5febef5 6928#endif
ebc05488 6929#ifdef TARGET_NR_setxattr
31e31b8a
FB		 6930 case TARGET_NR_setxattr:
6931 case TARGET_NR_lsetxattr:
6932 case TARGET_NR_fsetxattr:
6933 case TARGET_NR_getxattr:
6934 case TARGET_NR_lgetxattr:
6935 case TARGET_NR_fgetxattr:
6936 case TARGET_NR_listxattr:
6937 case TARGET_NR_llistxattr:
6938 case TARGET_NR_flistxattr:
6939 case TARGET_NR_removexattr:
6940 case TARGET_NR_lremovexattr:
6941 case TARGET_NR_fremovexattr:
6f932f91
AP		 6942 ret = -TARGET_EOPNOTSUPP;
6943 break;
ebc05488
FB		 6944#endif
6945#ifdef TARGET_NR_set_thread_area
5cd4393b 6946 case TARGET_NR_set_thread_area:
8d18e893 6947#if defined(TARGET_MIPS)
6f5b89a0
TS		 6948 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
6949 ret = 0;
6950 break;
ef96779b
EI		 6951#elif defined(TARGET_CRIS)
6952 if (arg1 & 0xff)
6953 ret = -TARGET_EINVAL;
6954 else {
6955 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
6956 ret = 0;
6957 }
6958 break;
8d18e893
FB		 6959#elif defined(TARGET_I386) && defined(TARGET_ABI32)
6960 ret = do_set_thread_area(cpu_env, arg1);
6961 break;
6f5b89a0
TS		 6962#else
6963 goto unimplemented_nowarn;
6964#endif
6965#endif
6966#ifdef TARGET_NR_get_thread_area
5cd4393b 6967 case TARGET_NR_get_thread_area:
8d18e893
FB		 6968#if defined(TARGET_I386) && defined(TARGET_ABI32)
6969 ret = do_get_thread_area(cpu_env, arg1);
6970#else
5cd4393b 6971 goto unimplemented_nowarn;
48dc41eb 6972#endif
8d18e893 6973#endif
48dc41eb
FB		 6974#ifdef TARGET_NR_getdomainname
6975 case TARGET_NR_getdomainname:
6976 goto unimplemented_nowarn;
ebc05488 6977#endif
6f5b89a0 6978
b5906f95
TS		 6979#ifdef TARGET_NR_clock_gettime
6980 case TARGET_NR_clock_gettime:
6981 {
6982 struct timespec ts;
6983 ret = get_errno(clock_gettime(arg1, &ts));
6984 if (!is_error(ret)) {
6985 host_to_target_timespec(arg2, &ts);
6986 }
6987 break;
6988 }
6989#endif
6990#ifdef TARGET_NR_clock_getres
6991 case TARGET_NR_clock_getres:
6992 {
6993 struct timespec ts;
6994 ret = get_errno(clock_getres(arg1, &ts));
6995 if (!is_error(ret)) {
6996 host_to_target_timespec(arg2, &ts);
6997 }
6998 break;
6999 }
7000#endif
63d7651b
PB		 7001#ifdef TARGET_NR_clock_nanosleep
7002 case TARGET_NR_clock_nanosleep:
7003 {
7004 struct timespec ts;
7005 target_to_host_timespec(&ts, arg3);
7006 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
7007 if (arg4)
7008 host_to_target_timespec(arg4, &ts);
7009 break;
7010 }
7011#endif
b5906f95 7012
6f5b89a0
TS		 7013#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
7014 case TARGET_NR_set_tid_address:
579a97f7
FB		 7015 ret = get_errno(set_tid_address((int *)g2h(arg1)));
7016 break;
6f5b89a0
TS		 7017#endif
7018
3ae43202 7019#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 7020 case TARGET_NR_tkill:
4cb05961 7021 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 7022 break;
7023#endif
7024
3ae43202 7025#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 7026 case TARGET_NR_tgkill:
4cb05961
PB		 7027 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
7028 target_to_host_signal(arg3)));
71455574
TS		 7029 break;
7030#endif
7031
4f2b1fe8
TS		 7032#ifdef TARGET_NR_set_robust_list
7033 case TARGET_NR_set_robust_list:
7034 goto unimplemented_nowarn;
7035#endif
7036
9007f0ef
TS		 7037#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
7038 case TARGET_NR_utimensat:
7039 {
ebc996f3
RV		 7040 struct timespec *tsp, ts[2];
7041 if (!arg3) {
7042 tsp = NULL;
7043 } else {
7044 target_to_host_timespec(ts, arg3);
7045 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
7046 tsp = ts;
7047 }
9007f0ef 7048 if (!arg2)
ebc996f3 7049 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 7050 else {
579a97f7 7051 if (!(p = lock_user_string(arg2))) {
0da46a6e 7052 ret = -TARGET_EFAULT;
579a97f7
FB		 7053 goto fail;
7054 }
ebc996f3 7055 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 7056 unlock_user(p, arg2, 0);
9007f0ef
TS		 7057 }
7058 }
7059 break;
7060#endif
2f7bb878 7061#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 7062 case TARGET_NR_futex:
7063 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
7064 break;
7065#endif
dbfe4c36 7066#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 7067 case TARGET_NR_inotify_init:
7068 ret = get_errno(sys_inotify_init());
7069 break;
7070#endif
c05c7a73
RV		 7071#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
7072 case TARGET_NR_inotify_init1:
7073 ret = get_errno(sys_inotify_init1(arg1));
7074 break;
7075#endif
dbfe4c36 7076#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 7077 case TARGET_NR_inotify_add_watch:
7078 p = lock_user_string(arg2);
7079 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
7080 unlock_user(p, arg2, 0);
7081 break;
7082#endif
dbfe4c36 7083#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 7084 case TARGET_NR_inotify_rm_watch:
7085 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
7086 break;
7087#endif
9007f0ef 7088
8ec9cf89 7089#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 7090 case TARGET_NR_mq_open:
7091 {
7092 struct mq_attr posix_mq_attr;
7093
7094 p = lock_user_string(arg1 - 1);
7095 if (arg4 != 0)
7096 copy_from_user_mq_attr (&posix_mq_attr, arg4);
7097 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
7098 unlock_user (p, arg1, 0);
7099 }
7100 break;
7101
7102 case TARGET_NR_mq_unlink:
7103 p = lock_user_string(arg1 - 1);
7104 ret = get_errno(mq_unlink(p));
7105 unlock_user (p, arg1, 0);
7106 break;
7107
7108 case TARGET_NR_mq_timedsend:
7109 {
7110 struct timespec ts;
7111
7112 p = lock_user (VERIFY_READ, arg2, arg3, 1);
7113 if (arg5 != 0) {
7114 target_to_host_timespec(&ts, arg5);
7115 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
7116 host_to_target_timespec(arg5, &ts);
7117 }
7118 else
7119 ret = get_errno(mq_send(arg1, p, arg3, arg4));
7120 unlock_user (p, arg2, arg3);
7121 }
7122 break;
7123
7124 case TARGET_NR_mq_timedreceive:
7125 {
7126 struct timespec ts;
7127 unsigned int prio;
7128
7129 p = lock_user (VERIFY_READ, arg2, arg3, 1);
7130 if (arg5 != 0) {
7131 target_to_host_timespec(&ts, arg5);
7132 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
7133 host_to_target_timespec(arg5, &ts);
7134 }
7135 else
7136 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
7137 unlock_user (p, arg2, arg3);
7138 if (arg4 != 0)
7139 put_user_u32(prio, arg4);
7140 }
7141 break;
7142
7143 /* Not implemented for now... */
7144/* case TARGET_NR_mq_notify: */
7145/* break; */
7146
7147 case TARGET_NR_mq_getsetattr:
7148 {
7149 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
7150 ret = 0;
7151 if (arg3 != 0) {
7152 ret = mq_getattr(arg1, &posix_mq_attr_out);
7153 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
7154 }
7155 if (arg2 != 0) {
7156 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
7157 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
7158 }
7159
7160 }
7161 break;
7162#endif
7163
3ce34dfb
VS		 7164#ifdef CONFIG_SPLICE
7165#ifdef TARGET_NR_tee
7166 case TARGET_NR_tee:
7167 {
7168 ret = get_errno(tee(arg1,arg2,arg3,arg4));
7169 }
7170 break;
7171#endif
7172#ifdef TARGET_NR_splice
7173 case TARGET_NR_splice:
7174 {
7175 loff_t loff_in, loff_out;
7176 loff_t *ploff_in = NULL, *ploff_out = NULL;
7177 if(arg2) {
7178 get_user_u64(loff_in, arg2);
7179 ploff_in = &loff_in;
7180 }
7181 if(arg4) {
7182 get_user_u64(loff_out, arg2);
7183 ploff_out = &loff_out;
7184 }
7185 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
7186 }
7187 break;
7188#endif
7189#ifdef TARGET_NR_vmsplice
7190 case TARGET_NR_vmsplice:
7191 {
7192 int count = arg3;
7193 struct iovec *vec;
7194
7195 vec = alloca(count * sizeof(struct iovec));
7196 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
7197 goto efault;
7198 ret = get_errno(vmsplice(arg1, vec, count, arg4));
7199 unlock_iovec(vec, arg2, count, 0);
7200 }
7201 break;
7202#endif
7203#endif /* CONFIG_SPLICE */
c2882b96
RV		 7204#ifdef CONFIG_EVENTFD
7205#if defined(TARGET_NR_eventfd)
7206 case TARGET_NR_eventfd:
7207 ret = get_errno(eventfd(arg1, 0));
7208 break;
7209#endif
7210#if defined(TARGET_NR_eventfd2)
7211 case TARGET_NR_eventfd2:
7212 ret = get_errno(eventfd(arg1, arg2));
7213 break;
7214#endif
7215#endif /* CONFIG_EVENTFD */
d0927938
UH		 7216#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
7217 case TARGET_NR_fallocate:
7218 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
7219 break;
7220#endif
31e31b8a
FB		 7221 default:
7222 unimplemented:
5cd4393b 7223 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 7224#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 7225 unimplemented_nowarn:
80a9d035 7226#endif
0da46a6e 7227 ret = -TARGET_ENOSYS;
31e31b8a
FB		 7228 break;
7229 }
579a97f7 7230fail:
c573ff67 7231#ifdef DEBUG
0bf9e31a 7232 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 7233#endif
b92c47c1
TS		 7234 if(do_strace)
7235 print_syscall_ret(num, ret);
31e31b8a 7236 return ret;
579a97f7
FB		 7237efault:
7238 ret = -TARGET_EFAULT;
7239 goto fail;
31e31b8a 7240}
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