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linux-user: mmap_reserve() not controlled by RESERVED_VA
[qemu.git] / linux-user / syscall.c
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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);
d35b261c 211#if defined(TARGET_NR__llseek) && defined(__NR_llseek)
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 720
7dd46c02
RH		 721#if defined(TARGET_ALPHA)
722 /* We (partially) emulate OSF/1 on Alpha, which requires we
723 return a proper errno, not an unchanged brk value. */
724 if (is_error(mapped_addr)) {
725 return -TARGET_ENOMEM;
726 }
727#endif
728
729 if (!is_error(mapped_addr)) {
31e31b8a 730 target_brk = new_brk;
7dd46c02 731 }
7ab240ad 732 return target_brk;
31e31b8a
FB		 733}
734
26edcf41
TS		 735static inline abi_long copy_from_user_fdset(fd_set *fds,
736 abi_ulong target_fds_addr,
737 int n)
31e31b8a 738{
26edcf41
TS		 739 int i, nw, j, k;
740 abi_ulong b, *target_fds;
741
742 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
743 if (!(target_fds = lock_user(VERIFY_READ,
744 target_fds_addr,
745 sizeof(abi_ulong) * nw,
746 1)))
747 return -TARGET_EFAULT;
748
749 FD_ZERO(fds);
750 k = 0;
751 for (i = 0; i < nw; i++) {
752 /* grab the abi_ulong */
753 __get_user(b, &target_fds[i]);
754 for (j = 0; j < TARGET_ABI_BITS; j++) {
755 /* check the bit inside the abi_ulong */
756 if ((b >> j) & 1)
757 FD_SET(k, fds);
758 k++;
31e31b8a 759 }
31e31b8a 760 }
26edcf41
TS		 761
762 unlock_user(target_fds, target_fds_addr, 0);
763
764 return 0;
31e31b8a
FB		 765}
766
26edcf41
TS		 767static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
768 const fd_set *fds,
769 int n)
31e31b8a 770{
31e31b8a 771 int i, nw, j, k;
992f48a0 772 abi_long v;
26edcf41 773 abi_ulong *target_fds;
31e31b8a 774
26edcf41
TS		 775 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
776 if (!(target_fds = lock_user(VERIFY_WRITE,
777 target_fds_addr,
778 sizeof(abi_ulong) * nw,
779 0)))
780 return -TARGET_EFAULT;
781
782 k = 0;
783 for (i = 0; i < nw; i++) {
784 v = 0;
785 for (j = 0; j < TARGET_ABI_BITS; j++) {
786 v |= ((FD_ISSET(k, fds) != 0) << j);
787 k++;
31e31b8a 788 }
26edcf41 789 __put_user(v, &target_fds[i]);
31e31b8a 790 }
26edcf41
TS		 791
792 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
793
794 return 0;
31e31b8a
FB		 795}
796
c596ed17
FB		 797#if defined(__alpha__)
798#define HOST_HZ 1024
799#else
800#define HOST_HZ 100
801#endif
802
992f48a0 803static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 804{
805#if HOST_HZ == TARGET_HZ
806 return ticks;
807#else
808 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
809#endif
810}
811
579a97f7
FB		 812static inline abi_long host_to_target_rusage(abi_ulong target_addr,
813 const struct rusage *rusage)
b409186b 814{
53a5960a
PB		 815 struct target_rusage *target_rusage;
816
579a97f7
FB		 817 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
818 return -TARGET_EFAULT;
b409186b
FB		 819 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
820 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
821 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
822 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
823 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
824 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
825 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
826 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
827 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
828 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
829 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
830 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
831 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
832 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
833 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
834 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
835 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
836 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 837 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 838
839 return 0;
b409186b
FB		 840}
841
81bbe906 842static inline rlim_t target_to_host_rlim(target_ulong target_rlim)
843{
844 if (target_rlim == TARGET_RLIM_INFINITY)
845 return RLIM_INFINITY;
846 else
847 return tswapl(target_rlim);
848}
849
850static inline target_ulong host_to_target_rlim(rlim_t rlim)
851{
852 if (rlim == RLIM_INFINITY || rlim != (target_long)rlim)
853 return TARGET_RLIM_INFINITY;
854 else
855 return tswapl(rlim);
856}
857
788f5ec4
TS		 858static inline abi_long copy_from_user_timeval(struct timeval *tv,
859 abi_ulong target_tv_addr)
31e31b8a 860{
53a5960a
PB		 861 struct target_timeval *target_tv;
862
788f5ec4 863 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 864 return -TARGET_EFAULT;
788f5ec4
TS		 865
866 __get_user(tv->tv_sec, &target_tv->tv_sec);
867 __get_user(tv->tv_usec, &target_tv->tv_usec);
868
869 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 870
871 return 0;
31e31b8a
FB		 872}
873
788f5ec4
TS		 874static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
875 const struct timeval *tv)
31e31b8a 876{
53a5960a
PB		 877 struct target_timeval *target_tv;
878
788f5ec4 879 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 880 return -TARGET_EFAULT;
788f5ec4
TS		 881
882 __put_user(tv->tv_sec, &target_tv->tv_sec);
883 __put_user(tv->tv_usec, &target_tv->tv_usec);
884
885 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 886
887 return 0;
31e31b8a
FB		 888}
889
8ec9cf89
NF		 890#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
891#include <mqueue.h>
892
24e1003a
AJ		 893static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
894 abi_ulong target_mq_attr_addr)
895{
896 struct target_mq_attr *target_mq_attr;
897
898 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
899 target_mq_attr_addr, 1))
900 return -TARGET_EFAULT;
901
902 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
903 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
904 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
905 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
906
907 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
908
909 return 0;
910}
911
912static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
913 const struct mq_attr *attr)
914{
915 struct target_mq_attr *target_mq_attr;
916
917 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
918 target_mq_attr_addr, 0))
919 return -TARGET_EFAULT;
920
921 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
922 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
923 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
924 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
925
926 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
927
928 return 0;
929}
8ec9cf89 930#endif
31e31b8a 931
0da46a6e 932/* do_select() must return target values and target errnos. */
992f48a0 933static abi_long do_select(int n,
26edcf41
TS		 934 abi_ulong rfd_addr, abi_ulong wfd_addr,
935 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 936{
937 fd_set rfds, wfds, efds;
938 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
939 struct timeval tv, *tv_ptr;
992f48a0 940 abi_long ret;
31e31b8a 941
26edcf41
TS		 942 if (rfd_addr) {
943 if (copy_from_user_fdset(&rfds, rfd_addr, n))
944 return -TARGET_EFAULT;
945 rfds_ptr = &rfds;
53a5960a 946 } else {
53a5960a
PB		 947 rfds_ptr = NULL;
948 }
26edcf41
TS		 949 if (wfd_addr) {
950 if (copy_from_user_fdset(&wfds, wfd_addr, n))
951 return -TARGET_EFAULT;
952 wfds_ptr = &wfds;
53a5960a 953 } else {
53a5960a
PB		 954 wfds_ptr = NULL;
955 }
26edcf41
TS		 956 if (efd_addr) {
957 if (copy_from_user_fdset(&efds, efd_addr, n))
958 return -TARGET_EFAULT;
959 efds_ptr = &efds;
53a5960a 960 } else {
53a5960a
PB		 961 efds_ptr = NULL;
962 }
3b46e624 963
26edcf41 964 if (target_tv_addr) {
788f5ec4
TS		 965 if (copy_from_user_timeval(&tv, target_tv_addr))
966 return -TARGET_EFAULT;
31e31b8a
FB		 967 tv_ptr = &tv;
968 } else {
969 tv_ptr = NULL;
970 }
26edcf41 971
31e31b8a 972 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 973
26edcf41
TS		 974 if (!is_error(ret)) {
975 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
976 return -TARGET_EFAULT;
977 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
978 return -TARGET_EFAULT;
979 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
980 return -TARGET_EFAULT;
31e31b8a 981
788f5ec4
TS		 982 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
983 return -TARGET_EFAULT;
31e31b8a 984 }
579a97f7 985
31e31b8a
FB		 986 return ret;
987}
988
099d6b0f
RV		 989static abi_long do_pipe2(int host_pipe[], int flags)
990{
991#ifdef CONFIG_PIPE2
992 return pipe2(host_pipe, flags);
993#else
994 return -ENOSYS;
995#endif
996}
997
fb41a66e
RH		 998static abi_long do_pipe(void *cpu_env, abi_ulong pipedes,
999 int flags, int is_pipe2)
099d6b0f
RV		 1000{
1001 int host_pipe[2];
1002 abi_long ret;
1003 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
1004
1005 if (is_error(ret))
1006 return get_errno(ret);
fb41a66e
RH		 1007
1008 /* Several targets have special calling conventions for the original
1009 pipe syscall, but didn't replicate this into the pipe2 syscall. */
1010 if (!is_pipe2) {
1011#if defined(TARGET_ALPHA)
1012 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = host_pipe[1];
1013 return host_pipe[0];
1014#elif defined(TARGET_MIPS)
1015 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
1016 return host_pipe[0];
1017#elif defined(TARGET_SH4)
597c0212 1018 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
fb41a66e 1019 return host_pipe[0];
597c0212 1020#endif
fb41a66e
RH		 1021 }
1022
099d6b0f
RV		 1023 if (put_user_s32(host_pipe[0], pipedes)
1024 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
1025 return -TARGET_EFAULT;
099d6b0f
RV		 1026 return get_errno(ret);
1027}
1028
b975b83b
LL		 1029static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
1030 abi_ulong target_addr,
1031 socklen_t len)
1032{
1033 struct target_ip_mreqn *target_smreqn;
1034
1035 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
1036 if (!target_smreqn)
1037 return -TARGET_EFAULT;
1038 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
1039 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
1040 if (len == sizeof(struct target_ip_mreqn))
1041 mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
1042 unlock_user(target_smreqn, target_addr, 0);
1043
1044 return 0;
1045}
1046
579a97f7
FB		 1047static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1048 abi_ulong target_addr,
1049 socklen_t len)
7854b056 1050{
607175e0
AJ		 1051 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1052 sa_family_t sa_family;
53a5960a
PB		 1053 struct target_sockaddr *target_saddr;
1054
579a97f7
FB		 1055 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1056 if (!target_saddr)
1057 return -TARGET_EFAULT;
607175e0
AJ		 1058
1059 sa_family = tswap16(target_saddr->sa_family);
1060
1061 /* Oops. The caller might send a incomplete sun_path; sun_path
1062 * must be terminated by \0 (see the manual page), but
1063 * unfortunately it is quite common to specify sockaddr_un
1064 * length as "strlen(x->sun_path)" while it should be
1065 * "strlen(...) + 1". We'll fix that here if needed.
1066 * Linux kernel has a similar feature.
1067 */
1068
1069 if (sa_family == AF_UNIX) {
1070 if (len < unix_maxlen && len > 0) {
1071 char *cp = (char*)target_saddr;
1072
1073 if ( cp[len-1] && !cp[len] )
1074 len++;
1075 }
1076 if (len > unix_maxlen)
1077 len = unix_maxlen;
1078 }
1079
53a5960a 1080 memcpy(addr, target_saddr, len);
607175e0 1081 addr->sa_family = sa_family;
53a5960a 1082 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1083
1084 return 0;
7854b056
FB		 1085}
1086
579a97f7
FB		 1087static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1088 struct sockaddr *addr,
1089 socklen_t len)
7854b056 1090{
53a5960a
PB		 1091 struct target_sockaddr *target_saddr;
1092
579a97f7
FB		 1093 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1094 if (!target_saddr)
1095 return -TARGET_EFAULT;
53a5960a
PB		 1096 memcpy(target_saddr, addr, len);
1097 target_saddr->sa_family = tswap16(addr->sa_family);
1098 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1099
1100 return 0;
7854b056
FB		 1101}
1102
53a5960a 1103/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1104static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1105 struct target_msghdr *target_msgh)
7854b056
FB		 1106{
1107 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1108 abi_long msg_controllen;
1109 abi_ulong target_cmsg_addr;
1110 struct target_cmsghdr *target_cmsg;
7854b056 1111 socklen_t space = 0;
5a4a898d
FB		 1112
1113 msg_controllen = tswapl(target_msgh->msg_controllen);
1114 if (msg_controllen < sizeof (struct target_cmsghdr))
1115 goto the_end;
1116 target_cmsg_addr = tswapl(target_msgh->msg_control);
1117 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1118 if (!target_cmsg)
1119 return -TARGET_EFAULT;
7854b056
FB		 1120
1121 while (cmsg && target_cmsg) {
1122 void *data = CMSG_DATA(cmsg);
1123 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1124
5fafdf24 1125 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 1126 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1127
1128 space += CMSG_SPACE(len);
1129 if (space > msgh->msg_controllen) {
1130 space -= CMSG_SPACE(len);
31febb71 1131 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1132 break;
1133 }
1134
1135 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1136 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1137 cmsg->cmsg_len = CMSG_LEN(len);
1138
3532fa74 1139 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1140 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1141 memcpy(data, target_data, len);
1142 } else {
1143 int *fd = (int *)data;
1144 int *target_fd = (int *)target_data;
1145 int i, numfds = len / sizeof(int);
1146
1147 for (i = 0; i < numfds; i++)
1148 fd[i] = tswap32(target_fd[i]);
1149 }
1150
1151 cmsg = CMSG_NXTHDR(msgh, cmsg);
1152 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1153 }
5a4a898d
FB		 1154 unlock_user(target_cmsg, target_cmsg_addr, 0);
1155 the_end:
7854b056 1156 msgh->msg_controllen = space;
5a4a898d 1157 return 0;
7854b056
FB		 1158}
1159
53a5960a 1160/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1161static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1162 struct msghdr *msgh)
7854b056
FB		 1163{
1164 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1165 abi_long msg_controllen;
1166 abi_ulong target_cmsg_addr;
1167 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1168 socklen_t space = 0;
1169
5a4a898d
FB		 1170 msg_controllen = tswapl(target_msgh->msg_controllen);
1171 if (msg_controllen < sizeof (struct target_cmsghdr))
1172 goto the_end;
1173 target_cmsg_addr = tswapl(target_msgh->msg_control);
1174 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1175 if (!target_cmsg)
1176 return -TARGET_EFAULT;
1177
7854b056
FB		 1178 while (cmsg && target_cmsg) {
1179 void *data = CMSG_DATA(cmsg);
1180 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1181
1182 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1183
1184 space += TARGET_CMSG_SPACE(len);
5a4a898d 1185 if (space > msg_controllen) {
7854b056 1186 space -= TARGET_CMSG_SPACE(len);
31febb71 1187 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1188 break;
1189 }
1190
1191 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1192 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1193 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1194
3532fa74 1195 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1196 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1197 memcpy(target_data, data, len);
1198 } else {
1199 int *fd = (int *)data;
1200 int *target_fd = (int *)target_data;
1201 int i, numfds = len / sizeof(int);
1202
1203 for (i = 0; i < numfds; i++)
1204 target_fd[i] = tswap32(fd[i]);
1205 }
1206
1207 cmsg = CMSG_NXTHDR(msgh, cmsg);
1208 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1209 }
5a4a898d
FB		 1210 unlock_user(target_cmsg, target_cmsg_addr, space);
1211 the_end:
1212 target_msgh->msg_controllen = tswapl(space);
1213 return 0;
7854b056
FB		 1214}
1215
0da46a6e 1216/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1217static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1218 abi_ulong optval_addr, socklen_t optlen)
7854b056 1219{
992f48a0 1220 abi_long ret;
32407103 1221 int val;
b975b83b 1222 struct ip_mreqn *ip_mreq;
6e3cb58f 1223 struct ip_mreq_source *ip_mreq_source;
3b46e624 1224
8853f86e
FB		 1225 switch(level) {
1226 case SOL_TCP:
7854b056 1227 /* TCP options all take an 'int' value. */
7854b056 1228 if (optlen < sizeof(uint32_t))
0da46a6e 1229 return -TARGET_EINVAL;
3b46e624 1230
2f619698
FB		 1231 if (get_user_u32(val, optval_addr))
1232 return -TARGET_EFAULT;
8853f86e
FB		 1233 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1234 break;
1235 case SOL_IP:
1236 switch(optname) {
2efbe911
FB		 1237 case IP_TOS:
1238 case IP_TTL:
8853f86e 1239 case IP_HDRINCL:
2efbe911
FB		 1240 case IP_ROUTER_ALERT:
1241 case IP_RECVOPTS:
1242 case IP_RETOPTS:
1243 case IP_PKTINFO:
1244 case IP_MTU_DISCOVER:
1245 case IP_RECVERR:
1246 case IP_RECVTOS:
1247#ifdef IP_FREEBIND
1248 case IP_FREEBIND:
1249#endif
1250 case IP_MULTICAST_TTL:
1251 case IP_MULTICAST_LOOP:
8853f86e
FB		 1252 val = 0;
1253 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1254 if (get_user_u32(val, optval_addr))
1255 return -TARGET_EFAULT;
8853f86e 1256 } else if (optlen >= 1) {
2f619698
FB		 1257 if (get_user_u8(val, optval_addr))
1258 return -TARGET_EFAULT;
8853f86e
FB		 1259 }
1260 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1261 break;
b975b83b
LL		 1262 case IP_ADD_MEMBERSHIP:
1263 case IP_DROP_MEMBERSHIP:
1264 if (optlen < sizeof (struct target_ip_mreq) ||
1265 optlen > sizeof (struct target_ip_mreqn))
1266 return -TARGET_EINVAL;
1267
1268 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1269 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1270 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1271 break;
1272
6e3cb58f
LL		 1273 case IP_BLOCK_SOURCE:
1274 case IP_UNBLOCK_SOURCE:
1275 case IP_ADD_SOURCE_MEMBERSHIP:
1276 case IP_DROP_SOURCE_MEMBERSHIP:
1277 if (optlen != sizeof (struct target_ip_mreq_source))
1278 return -TARGET_EINVAL;
1279
1280 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1281 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1282 unlock_user (ip_mreq_source, optval_addr, 0);
1283 break;
1284
8853f86e
FB		 1285 default:
1286 goto unimplemented;
1287 }
1288 break;
3532fa74 1289 case TARGET_SOL_SOCKET:
8853f86e
FB		 1290 switch (optname) {
1291 /* Options with 'int' argument. */
3532fa74
FB		 1292 case TARGET_SO_DEBUG:
1293 optname = SO_DEBUG;
1294 break;
1295 case TARGET_SO_REUSEADDR:
1296 optname = SO_REUSEADDR;
1297 break;
1298 case TARGET_SO_TYPE:
1299 optname = SO_TYPE;
1300 break;
1301 case TARGET_SO_ERROR:
1302 optname = SO_ERROR;
1303 break;
1304 case TARGET_SO_DONTROUTE:
1305 optname = SO_DONTROUTE;
1306 break;
1307 case TARGET_SO_BROADCAST:
1308 optname = SO_BROADCAST;
1309 break;
1310 case TARGET_SO_SNDBUF:
1311 optname = SO_SNDBUF;
1312 break;
1313 case TARGET_SO_RCVBUF:
1314 optname = SO_RCVBUF;
1315 break;
1316 case TARGET_SO_KEEPALIVE:
1317 optname = SO_KEEPALIVE;
1318 break;
1319 case TARGET_SO_OOBINLINE:
1320 optname = SO_OOBINLINE;
1321 break;
1322 case TARGET_SO_NO_CHECK:
1323 optname = SO_NO_CHECK;
1324 break;
1325 case TARGET_SO_PRIORITY:
1326 optname = SO_PRIORITY;
1327 break;
5e83e8e3 1328#ifdef SO_BSDCOMPAT
3532fa74
FB		 1329 case TARGET_SO_BSDCOMPAT:
1330 optname = SO_BSDCOMPAT;
1331 break;
5e83e8e3 1332#endif
3532fa74
FB		 1333 case TARGET_SO_PASSCRED:
1334 optname = SO_PASSCRED;
1335 break;
1336 case TARGET_SO_TIMESTAMP:
1337 optname = SO_TIMESTAMP;
1338 break;
1339 case TARGET_SO_RCVLOWAT:
1340 optname = SO_RCVLOWAT;
1341 break;
1342 case TARGET_SO_RCVTIMEO:
1343 optname = SO_RCVTIMEO;
1344 break;
1345 case TARGET_SO_SNDTIMEO:
1346 optname = SO_SNDTIMEO;
1347 break;
8853f86e
FB		 1348 break;
1349 default:
1350 goto unimplemented;
1351 }
3532fa74 1352 if (optlen < sizeof(uint32_t))
2f619698 1353 return -TARGET_EINVAL;
3532fa74 1354
2f619698
FB		 1355 if (get_user_u32(val, optval_addr))
1356 return -TARGET_EFAULT;
3532fa74 1357 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1358 break;
7854b056 1359 default:
8853f86e
FB		 1360 unimplemented:
1361 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
6fa13c17 1362 ret = -TARGET_ENOPROTOOPT;
7854b056 1363 }
8853f86e 1364 return ret;
7854b056
FB		 1365}
1366
0da46a6e 1367/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1368static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1369 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1370{
992f48a0 1371 abi_long ret;
b55266b5
BS		 1372 int len, val;
1373 socklen_t lv;
8853f86e
FB		 1374
1375 switch(level) {
3532fa74
FB		 1376 case TARGET_SOL_SOCKET:
1377 level = SOL_SOCKET;
8853f86e 1378 switch (optname) {
3532fa74
FB		 1379 case TARGET_SO_LINGER:
1380 case TARGET_SO_RCVTIMEO:
1381 case TARGET_SO_SNDTIMEO:
1382 case TARGET_SO_PEERCRED:
1383 case TARGET_SO_PEERNAME:
8853f86e
FB		 1384 /* These don't just return a single integer */
1385 goto unimplemented;
1386 default:
2efbe911
FB		 1387 goto int_case;
1388 }
1389 break;
1390 case SOL_TCP:
1391 /* TCP options all take an 'int' value. */
1392 int_case:
2f619698
FB		 1393 if (get_user_u32(len, optlen))
1394 return -TARGET_EFAULT;
2efbe911 1395 if (len < 0)
0da46a6e 1396 return -TARGET_EINVAL;
2efbe911
FB		 1397 lv = sizeof(int);
1398 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1399 if (ret < 0)
1400 return ret;
2efbe911
FB		 1401 if (len > lv)
1402 len = lv;
2f619698
FB		 1403 if (len == 4) {
1404 if (put_user_u32(val, optval_addr))
1405 return -TARGET_EFAULT;
1406 } else {
1407 if (put_user_u8(val, optval_addr))
1408 return -TARGET_EFAULT;
1409 }
1410 if (put_user_u32(len, optlen))
1411 return -TARGET_EFAULT;
2efbe911
FB		 1412 break;
1413 case SOL_IP:
1414 switch(optname) {
1415 case IP_TOS:
1416 case IP_TTL:
1417 case IP_HDRINCL:
1418 case IP_ROUTER_ALERT:
1419 case IP_RECVOPTS:
1420 case IP_RETOPTS:
1421 case IP_PKTINFO:
1422 case IP_MTU_DISCOVER:
1423 case IP_RECVERR:
1424 case IP_RECVTOS:
1425#ifdef IP_FREEBIND
1426 case IP_FREEBIND:
1427#endif
1428 case IP_MULTICAST_TTL:
1429 case IP_MULTICAST_LOOP:
2f619698
FB		 1430 if (get_user_u32(len, optlen))
1431 return -TARGET_EFAULT;
8853f86e 1432 if (len < 0)
0da46a6e 1433 return -TARGET_EINVAL;
8853f86e
FB		 1434 lv = sizeof(int);
1435 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1436 if (ret < 0)
1437 return ret;
2efbe911 1438 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1439 len = 1;
2f619698
FB		 1440 if (put_user_u32(len, optlen)
1441 || put_user_u8(val, optval_addr))
1442 return -TARGET_EFAULT;
2efbe911 1443 } else {
2efbe911
FB		 1444 if (len > sizeof(int))
1445 len = sizeof(int);
2f619698
FB		 1446 if (put_user_u32(len, optlen)
1447 || put_user_u32(val, optval_addr))
1448 return -TARGET_EFAULT;
2efbe911 1449 }
8853f86e 1450 break;
2efbe911 1451 default:
c02f499e
TS		 1452 ret = -TARGET_ENOPROTOOPT;
1453 break;
8853f86e
FB		 1454 }
1455 break;
1456 default:
1457 unimplemented:
1458 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1459 level, optname);
c02f499e 1460 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1461 break;
1462 }
1463 return ret;
7854b056
FB		 1464}
1465
579a97f7
FB		 1466/* FIXME
1467 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1468 * other lock functions have a return code of 0 for failure.
1469 */
1470static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1471 int count, int copy)
53a5960a
PB		 1472{
1473 struct target_iovec *target_vec;
992f48a0 1474 abi_ulong base;
d732dcb4 1475 int i;
53a5960a 1476
579a97f7
FB		 1477 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1478 if (!target_vec)
1479 return -TARGET_EFAULT;
53a5960a
PB		 1480 for(i = 0;i < count; i++) {
1481 base = tswapl(target_vec[i].iov_base);
1482 vec[i].iov_len = tswapl(target_vec[i].iov_len);
41df8411
FB		 1483 if (vec[i].iov_len != 0) {
1484 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1485 /* Don't check lock_user return value. We must call writev even
1486 if a element has invalid base address. */
41df8411
FB		 1487 } else {
1488 /* zero length pointer is ignored */
1489 vec[i].iov_base = NULL;
1490 }
579a97f7
FB		 1491 }
1492 unlock_user (target_vec, target_addr, 0);
1493 return 0;
53a5960a
PB		 1494}
1495
579a97f7
FB		 1496static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1497 int count, int copy)
53a5960a
PB		 1498{
1499 struct target_iovec *target_vec;
992f48a0 1500 abi_ulong base;
53a5960a
PB		 1501 int i;
1502
579a97f7
FB		 1503 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1504 if (!target_vec)
1505 return -TARGET_EFAULT;
53a5960a 1506 for(i = 0;i < count; i++) {
d732dcb4
AZ		 1507 if (target_vec[i].iov_base) {
1508 base = tswapl(target_vec[i].iov_base);
1509 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1510 }
53a5960a
PB		 1511 }
1512 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1513
1514 return 0;
53a5960a
PB		 1515}
1516
0da46a6e 1517/* do_socket() Must return target values and target errnos. */
992f48a0 1518static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1519{
1520#if defined(TARGET_MIPS)
1521 switch(type) {
1522 case TARGET_SOCK_DGRAM:
1523 type = SOCK_DGRAM;
1524 break;
1525 case TARGET_SOCK_STREAM:
1526 type = SOCK_STREAM;
1527 break;
1528 case TARGET_SOCK_RAW:
1529 type = SOCK_RAW;
1530 break;
1531 case TARGET_SOCK_RDM:
1532 type = SOCK_RDM;
1533 break;
1534 case TARGET_SOCK_SEQPACKET:
1535 type = SOCK_SEQPACKET;
1536 break;
1537 case TARGET_SOCK_PACKET:
1538 type = SOCK_PACKET;
1539 break;
1540 }
1541#endif
12bc92ab
AZ		 1542 if (domain == PF_NETLINK)
1543 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1544 return get_errno(socket(domain, type, protocol));
1545}
1546
0da46a6e 1547/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1548static abi_long do_bind(int sockfd, abi_ulong target_addr,
1549 socklen_t addrlen)
3532fa74 1550{
8f7aeaf6 1551 void *addr;
917507b0 1552 abi_long ret;
8f7aeaf6 1553
38724253 1554 if ((int)addrlen < 0) {
8f7aeaf6 1555 return -TARGET_EINVAL;
38724253 1556 }
8f7aeaf6 1557
607175e0 1558 addr = alloca(addrlen+1);
3b46e624 1559
917507b0
AP		 1560 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1561 if (ret)
1562 return ret;
1563
3532fa74
FB		 1564 return get_errno(bind(sockfd, addr, addrlen));
1565}
1566
0da46a6e 1567/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1568static abi_long do_connect(int sockfd, abi_ulong target_addr,
1569 socklen_t addrlen)
3532fa74 1570{
8f7aeaf6 1571 void *addr;
917507b0 1572 abi_long ret;
8f7aeaf6 1573
38724253 1574 if ((int)addrlen < 0) {
8f7aeaf6 1575 return -TARGET_EINVAL;
38724253 1576 }
8f7aeaf6
AJ		 1577
1578 addr = alloca(addrlen);
3b46e624 1579
917507b0
AP		 1580 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1581 if (ret)
1582 return ret;
1583
3532fa74
FB		 1584 return get_errno(connect(sockfd, addr, addrlen));
1585}
1586
0da46a6e 1587/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1588static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1589 int flags, int send)
3532fa74 1590{
6de645c7 1591 abi_long ret, len;
3532fa74
FB		 1592 struct target_msghdr *msgp;
1593 struct msghdr msg;
1594 int count;
1595 struct iovec *vec;
992f48a0 1596 abi_ulong target_vec;
3532fa74 1597
579a97f7
FB		 1598 /* FIXME */
1599 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1600 msgp,
1601 target_msg,
1602 send ? 1 : 0))
1603 return -TARGET_EFAULT;
3532fa74
FB		 1604 if (msgp->msg_name) {
1605 msg.msg_namelen = tswap32(msgp->msg_namelen);
1606 msg.msg_name = alloca(msg.msg_namelen);
917507b0 1607 ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
3532fa74 1608 msg.msg_namelen);
917507b0
AP		 1609 if (ret) {
1610 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1611 return ret;
1612 }
3532fa74
FB		 1613 } else {
1614 msg.msg_name = NULL;
1615 msg.msg_namelen = 0;
1616 }
1617 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1618 msg.msg_control = alloca(msg.msg_controllen);
1619 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1620
3532fa74
FB		 1621 count = tswapl(msgp->msg_iovlen);
1622 vec = alloca(count * sizeof(struct iovec));
1623 target_vec = tswapl(msgp->msg_iov);
579a97f7 1624 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1625 msg.msg_iovlen = count;
1626 msg.msg_iov = vec;
3b46e624 1627
3532fa74 1628 if (send) {
5a4a898d
FB		 1629 ret = target_to_host_cmsg(&msg, msgp);
1630 if (ret == 0)
1631 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1632 } else {
1633 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1634 if (!is_error(ret)) {
1635 len = ret;
5a4a898d 1636 ret = host_to_target_cmsg(msgp, &msg);
6de645c7
AZ		 1637 if (!is_error(ret))
1638 ret = len;
1639 }
3532fa74
FB		 1640 }
1641 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1642 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1643 return ret;
1644}
1645
0da46a6e 1646/* do_accept() Must return target values and target errnos. */
992f48a0 1647static abi_long do_accept(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
917507b0
AP		 1654 if (target_addr == 0)
1655 return get_errno(accept(fd, NULL, NULL));
1656
1657 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 1658 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 1659 return -TARGET_EINVAL;
2f619698 1660
38724253 1661 if ((int)addrlen < 0) {
8f7aeaf6 1662 return -TARGET_EINVAL;
38724253 1663 }
8f7aeaf6 1664
917507b0
AP		 1665 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1666 return -TARGET_EINVAL;
1667
2f619698
FB		 1668 addr = alloca(addrlen);
1669
1be9e1dc
PB		 1670 ret = get_errno(accept(fd, addr, &addrlen));
1671 if (!is_error(ret)) {
1672 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1673 if (put_user_u32(addrlen, target_addrlen_addr))
1674 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1675 }
1676 return ret;
1677}
1678
0da46a6e 1679/* do_getpeername() Must return target values and target errnos. */
992f48a0 1680static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1681 abi_ulong target_addrlen_addr)
1be9e1dc 1682{
2f619698
FB		 1683 socklen_t addrlen;
1684 void *addr;
992f48a0 1685 abi_long ret;
1be9e1dc 1686
2f619698
FB		 1687 if (get_user_u32(addrlen, target_addrlen_addr))
1688 return -TARGET_EFAULT;
1689
38724253 1690 if ((int)addrlen < 0) {
8f7aeaf6 1691 return -TARGET_EINVAL;
38724253 1692 }
8f7aeaf6 1693
917507b0
AP		 1694 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1695 return -TARGET_EFAULT;
1696
2f619698
FB		 1697 addr = alloca(addrlen);
1698
1be9e1dc
PB		 1699 ret = get_errno(getpeername(fd, addr, &addrlen));
1700 if (!is_error(ret)) {
1701 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1702 if (put_user_u32(addrlen, target_addrlen_addr))
1703 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1704 }
1705 return ret;
1706}
1707
0da46a6e 1708/* do_getsockname() Must return target values and target errnos. */
992f48a0 1709static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1710 abi_ulong target_addrlen_addr)
1be9e1dc 1711{
2f619698
FB		 1712 socklen_t addrlen;
1713 void *addr;
992f48a0 1714 abi_long ret;
1be9e1dc 1715
2f619698
FB		 1716 if (get_user_u32(addrlen, target_addrlen_addr))
1717 return -TARGET_EFAULT;
1718
38724253 1719 if ((int)addrlen < 0) {
8f7aeaf6 1720 return -TARGET_EINVAL;
38724253 1721 }
8f7aeaf6 1722
917507b0
AP		 1723 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1724 return -TARGET_EFAULT;
1725
2f619698
FB		 1726 addr = alloca(addrlen);
1727
1be9e1dc
PB		 1728 ret = get_errno(getsockname(fd, addr, &addrlen));
1729 if (!is_error(ret)) {
1730 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1731 if (put_user_u32(addrlen, target_addrlen_addr))
1732 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1733 }
1734 return ret;
1735}
1736
0da46a6e 1737/* do_socketpair() Must return target values and target errnos. */
992f48a0 1738static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1739 abi_ulong target_tab_addr)
1be9e1dc
PB		 1740{
1741 int tab[2];
992f48a0 1742 abi_long ret;
1be9e1dc
PB		 1743
1744 ret = get_errno(socketpair(domain, type, protocol, tab));
1745 if (!is_error(ret)) {
2f619698
FB		 1746 if (put_user_s32(tab[0], target_tab_addr)
1747 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1748 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1749 }
1750 return ret;
1751}
1752
0da46a6e 1753/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1754static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1755 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1756{
1757 void *addr;
1758 void *host_msg;
992f48a0 1759 abi_long ret;
1be9e1dc 1760
38724253 1761 if ((int)addrlen < 0) {
8f7aeaf6 1762 return -TARGET_EINVAL;
38724253 1763 }
8f7aeaf6 1764
579a97f7
FB		 1765 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1766 if (!host_msg)
1767 return -TARGET_EFAULT;
1be9e1dc
PB		 1768 if (target_addr) {
1769 addr = alloca(addrlen);
917507b0
AP		 1770 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1771 if (ret) {
1772 unlock_user(host_msg, msg, 0);
1773 return ret;
1774 }
1be9e1dc
PB		 1775 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1776 } else {
1777 ret = get_errno(send(fd, host_msg, len, flags));
1778 }
1779 unlock_user(host_msg, msg, 0);
1780 return ret;
1781}
1782
0da46a6e 1783/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 1784static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1785 abi_ulong target_addr,
1786 abi_ulong target_addrlen)
1be9e1dc
PB		 1787{
1788 socklen_t addrlen;
1789 void *addr;
1790 void *host_msg;
992f48a0 1791 abi_long ret;
1be9e1dc 1792
579a97f7
FB		 1793 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1794 if (!host_msg)
1795 return -TARGET_EFAULT;
1be9e1dc 1796 if (target_addr) {
2f619698
FB		 1797 if (get_user_u32(addrlen, target_addrlen)) {
1798 ret = -TARGET_EFAULT;
1799 goto fail;
1800 }
38724253 1801 if ((int)addrlen < 0) {
8f7aeaf6
AJ		 1802 ret = -TARGET_EINVAL;
1803 goto fail;
1804 }
1be9e1dc
PB		 1805 addr = alloca(addrlen);
1806 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1807 } else {
1808 addr = NULL; /* To keep compiler quiet. */
1809 ret = get_errno(recv(fd, host_msg, len, flags));
1810 }
1811 if (!is_error(ret)) {
1812 if (target_addr) {
1813 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1814 if (put_user_u32(addrlen, target_addrlen)) {
1815 ret = -TARGET_EFAULT;
1816 goto fail;
1817 }
1be9e1dc
PB		 1818 }
1819 unlock_user(host_msg, msg, len);
1820 } else {
2f619698 1821fail:
1be9e1dc
PB		 1822 unlock_user(host_msg, msg, 0);
1823 }
1824 return ret;
1825}
1826
32407103 1827#ifdef TARGET_NR_socketcall
0da46a6e 1828/* do_socketcall() Must return target values and target errnos. */
992f48a0 1829static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 1830{
992f48a0
BS		 1831 abi_long ret;
1832 const int n = sizeof(abi_ulong);
31e31b8a
FB		 1833
1834 switch(num) {
1835 case SOCKOP_socket:
7854b056 1836 {
98818189 1837 abi_ulong domain, type, protocol;
2f619698 1838
98818189
UH		 1839 if (get_user_ual(domain, vptr)
1840 || get_user_ual(type, vptr + n)
1841 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 1842 return -TARGET_EFAULT;
1843
3532fa74 1844 ret = do_socket(domain, type, protocol);
7854b056 1845 }
31e31b8a
FB		 1846 break;
1847 case SOCKOP_bind:
7854b056 1848 {
98818189 1849 abi_ulong sockfd;
2f619698
FB		 1850 abi_ulong target_addr;
1851 socklen_t addrlen;
1852
98818189 1853 if (get_user_ual(sockfd, vptr)
2f619698 1854 || get_user_ual(target_addr, vptr + n)
98818189 1855 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1856 return -TARGET_EFAULT;
1857
3532fa74 1858 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1859 }
31e31b8a
FB		 1860 break;
1861 case SOCKOP_connect:
7854b056 1862 {
98818189 1863 abi_ulong sockfd;
2f619698
FB		 1864 abi_ulong target_addr;
1865 socklen_t addrlen;
1866
98818189 1867 if (get_user_ual(sockfd, vptr)
2f619698 1868 || get_user_ual(target_addr, vptr + n)
98818189 1869 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1870 return -TARGET_EFAULT;
1871
3532fa74 1872 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1873 }
31e31b8a
FB		 1874 break;
1875 case SOCKOP_listen:
7854b056 1876 {
98818189 1877 abi_ulong sockfd, backlog;
2f619698 1878
98818189
UH		 1879 if (get_user_ual(sockfd, vptr)
1880 || get_user_ual(backlog, vptr + n))
2f619698
FB		 1881 return -TARGET_EFAULT;
1882
7854b056
FB		 1883 ret = get_errno(listen(sockfd, backlog));
1884 }
31e31b8a
FB		 1885 break;
1886 case SOCKOP_accept:
1887 {
98818189 1888 abi_ulong sockfd;
2f619698
FB		 1889 abi_ulong target_addr, target_addrlen;
1890
98818189 1891 if (get_user_ual(sockfd, vptr)
2f619698 1892 || get_user_ual(target_addr, vptr + n)
98818189 1893 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1894 return -TARGET_EFAULT;
1895
1be9e1dc 1896 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1897 }
1898 break;
1899 case SOCKOP_getsockname:
1900 {
98818189 1901 abi_ulong sockfd;
2f619698
FB		 1902 abi_ulong target_addr, target_addrlen;
1903
98818189 1904 if (get_user_ual(sockfd, vptr)
2f619698 1905 || get_user_ual(target_addr, vptr + n)
98818189 1906 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1907 return -TARGET_EFAULT;
1908
1be9e1dc 1909 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1910 }
1911 break;
1912 case SOCKOP_getpeername:
1913 {
98818189 1914 abi_ulong sockfd;
2f619698
FB		 1915 abi_ulong target_addr, target_addrlen;
1916
98818189 1917 if (get_user_ual(sockfd, vptr)
2f619698 1918 || get_user_ual(target_addr, vptr + n)
98818189 1919 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1920 return -TARGET_EFAULT;
1921
1be9e1dc 1922 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1923 }
1924 break;
1925 case SOCKOP_socketpair:
1926 {
98818189 1927 abi_ulong domain, type, protocol;
2f619698
FB		 1928 abi_ulong tab;
1929
98818189
UH		 1930 if (get_user_ual(domain, vptr)
1931 || get_user_ual(type, vptr + n)
1932 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 1933 || get_user_ual(tab, vptr + 3 * n))
1934 return -TARGET_EFAULT;
1935
1be9e1dc 1936 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1937 }
1938 break;
1939 case SOCKOP_send:
7854b056 1940 {
98818189 1941 abi_ulong sockfd;
2f619698
FB		 1942 abi_ulong msg;
1943 size_t len;
98818189 1944 abi_ulong flags;
2f619698 1945
98818189 1946 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1947 || get_user_ual(msg, vptr + n)
1948 || get_user_ual(len, vptr + 2 * n)
98818189 1949 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 1950 return -TARGET_EFAULT;
1951
1be9e1dc 1952 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1953 }
31e31b8a
FB		 1954 break;
1955 case SOCKOP_recv:
7854b056 1956 {
98818189 1957 abi_ulong sockfd;
2f619698
FB		 1958 abi_ulong msg;
1959 size_t len;
98818189 1960 abi_ulong flags;
2f619698 1961
98818189 1962 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1963 || get_user_ual(msg, vptr + n)
1964 || get_user_ual(len, vptr + 2 * n)
98818189 1965 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 1966 return -TARGET_EFAULT;
1967
1be9e1dc 1968 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1969 }
31e31b8a
FB		 1970 break;
1971 case SOCKOP_sendto:
7854b056 1972 {
98818189 1973 abi_ulong sockfd;
2f619698
FB		 1974 abi_ulong msg;
1975 size_t len;
98818189 1976 abi_ulong flags;
2f619698
FB		 1977 abi_ulong addr;
1978 socklen_t addrlen;
1979
98818189 1980 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1981 || get_user_ual(msg, vptr + n)
1982 || get_user_ual(len, vptr + 2 * n)
98818189 1983 || get_user_ual(flags, vptr + 3 * n)
2f619698 1984 || get_user_ual(addr, vptr + 4 * n)
98818189 1985 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 1986 return -TARGET_EFAULT;
1987
1be9e1dc 1988 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1989 }
31e31b8a
FB		 1990 break;
1991 case SOCKOP_recvfrom:
1992 {
98818189 1993 abi_ulong sockfd;
2f619698
FB		 1994 abi_ulong msg;
1995 size_t len;
98818189 1996 abi_ulong flags;
2f619698
FB		 1997 abi_ulong addr;
1998 socklen_t addrlen;
1999
98818189 2000 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2001 || get_user_ual(msg, vptr + n)
2002 || get_user_ual(len, vptr + 2 * n)
98818189 2003 || get_user_ual(flags, vptr + 3 * n)
2f619698 2004 || get_user_ual(addr, vptr + 4 * n)
98818189 2005 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2006 return -TARGET_EFAULT;
2007
1be9e1dc 2008 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 2009 }
2010 break;
2011 case SOCKOP_shutdown:
7854b056 2012 {
98818189 2013 abi_ulong sockfd, how;
2f619698 2014
98818189
UH		 2015 if (get_user_ual(sockfd, vptr)
2016 || get_user_ual(how, vptr + n))
2f619698 2017 return -TARGET_EFAULT;
7854b056
FB		 2018
2019 ret = get_errno(shutdown(sockfd, how));
2020 }
31e31b8a
FB		 2021 break;
2022 case SOCKOP_sendmsg:
2023 case SOCKOP_recvmsg:
1a9353d2 2024 {
98818189 2025 abi_ulong fd;
992f48a0 2026 abi_ulong target_msg;
98818189 2027 abi_ulong flags;
1a9353d2 2028
98818189 2029 if (get_user_ual(fd, vptr)
2f619698 2030 || get_user_ual(target_msg, vptr + n)
98818189 2031 || get_user_ual(flags, vptr + 2 * n))
2f619698 2032 return -TARGET_EFAULT;
3532fa74 2033
5fafdf24 2034 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 2035 (num == SOCKOP_sendmsg));
1a9353d2
FB		 2036 }
2037 break;
31e31b8a 2038 case SOCKOP_setsockopt:
7854b056 2039 {
98818189
UH		 2040 abi_ulong sockfd;
2041 abi_ulong level;
2042 abi_ulong optname;
2f619698
FB		 2043 abi_ulong optval;
2044 socklen_t optlen;
2045
98818189
UH		 2046 if (get_user_ual(sockfd, vptr)
2047 || get_user_ual(level, vptr + n)
2048 || get_user_ual(optname, vptr + 2 * n)
2f619698 2049 || get_user_ual(optval, vptr + 3 * n)
98818189 2050 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2051 return -TARGET_EFAULT;
7854b056
FB		 2052
2053 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2054 }
2055 break;
31e31b8a 2056 case SOCKOP_getsockopt:
7854b056 2057 {
98818189
UH		 2058 abi_ulong sockfd;
2059 abi_ulong level;
2060 abi_ulong optname;
2f619698
FB		 2061 abi_ulong optval;
2062 socklen_t optlen;
2063
98818189
UH		 2064 if (get_user_ual(sockfd, vptr)
2065 || get_user_ual(level, vptr + n)
2066 || get_user_ual(optname, vptr + 2 * n)
2f619698 2067 || get_user_ual(optval, vptr + 3 * n)
98818189 2068 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2069 return -TARGET_EFAULT;
7854b056 2070
2f619698 2071 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2072 }
2073 break;
31e31b8a
FB		 2074 default:
2075 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2076 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2077 break;
2078 }
2079 return ret;
2080}
32407103 2081#endif
31e31b8a 2082
8853f86e
FB		 2083#define N_SHM_REGIONS 32
2084
2085static struct shm_region {
5a4a898d
FB		 2086 abi_ulong start;
2087 abi_ulong size;
8853f86e
FB		 2088} shm_regions[N_SHM_REGIONS];
2089
3eb6b044
TS		 2090struct target_ipc_perm
2091{
992f48a0
BS		 2092 abi_long __key;
2093 abi_ulong uid;
2094 abi_ulong gid;
2095 abi_ulong cuid;
2096 abi_ulong cgid;
3eb6b044
TS		 2097 unsigned short int mode;
2098 unsigned short int __pad1;
2099 unsigned short int __seq;
2100 unsigned short int __pad2;
992f48a0
BS		 2101 abi_ulong __unused1;
2102 abi_ulong __unused2;
3eb6b044
TS		 2103};
2104
2105struct target_semid_ds
2106{
2107 struct target_ipc_perm sem_perm;
992f48a0
BS		 2108 abi_ulong sem_otime;
2109 abi_ulong __unused1;
2110 abi_ulong sem_ctime;
2111 abi_ulong __unused2;
2112 abi_ulong sem_nsems;
2113 abi_ulong __unused3;
2114 abi_ulong __unused4;
3eb6b044
TS		 2115};
2116
579a97f7
FB		 2117static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2118 abi_ulong target_addr)
3eb6b044
TS		 2119{
2120 struct target_ipc_perm *target_ip;
2121 struct target_semid_ds *target_sd;
2122
579a97f7
FB		 2123 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2124 return -TARGET_EFAULT;
e8bbe36c 2125 target_ip = &(target_sd->sem_perm);
3eb6b044
TS		 2126 host_ip->__key = tswapl(target_ip->__key);
2127 host_ip->uid = tswapl(target_ip->uid);
2128 host_ip->gid = tswapl(target_ip->gid);
2129 host_ip->cuid = tswapl(target_ip->cuid);
2130 host_ip->cgid = tswapl(target_ip->cgid);
2131 host_ip->mode = tswapl(target_ip->mode);
2132 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2133 return 0;
3eb6b044
TS		 2134}
2135
579a97f7
FB		 2136static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2137 struct ipc_perm *host_ip)
3eb6b044
TS		 2138{
2139 struct target_ipc_perm *target_ip;
2140 struct target_semid_ds *target_sd;
2141
579a97f7
FB		 2142 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2143 return -TARGET_EFAULT;
3eb6b044
TS		 2144 target_ip = &(target_sd->sem_perm);
2145 target_ip->__key = tswapl(host_ip->__key);
2146 target_ip->uid = tswapl(host_ip->uid);
2147 target_ip->gid = tswapl(host_ip->gid);
2148 target_ip->cuid = tswapl(host_ip->cuid);
2149 target_ip->cgid = tswapl(host_ip->cgid);
2150 target_ip->mode = tswapl(host_ip->mode);
2151 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2152 return 0;
3eb6b044
TS		 2153}
2154
579a97f7
FB		 2155static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2156 abi_ulong target_addr)
3eb6b044
TS		 2157{
2158 struct target_semid_ds *target_sd;
2159
579a97f7
FB		 2160 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2161 return -TARGET_EFAULT;
e5289087
AJ		 2162 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2163 return -TARGET_EFAULT;
3eb6b044
TS		 2164 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2165 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2166 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2167 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2168 return 0;
3eb6b044
TS		 2169}
2170
579a97f7
FB		 2171static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2172 struct semid_ds *host_sd)
3eb6b044
TS		 2173{
2174 struct target_semid_ds *target_sd;
2175
579a97f7
FB		 2176 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2177 return -TARGET_EFAULT;
e5289087
AJ		 2178 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2179 return -TARGET_EFAULT;;
3eb6b044
TS		 2180 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2181 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2182 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2183 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2184 return 0;
3eb6b044
TS		 2185}
2186
e5289087
AJ		 2187struct target_seminfo {
2188 int semmap;
2189 int semmni;
2190 int semmns;
2191 int semmnu;
2192 int semmsl;
2193 int semopm;
2194 int semume;
2195 int semusz;
2196 int semvmx;
2197 int semaem;
2198};
2199
2200static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2201 struct seminfo *host_seminfo)
2202{
2203 struct target_seminfo *target_seminfo;
2204 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2205 return -TARGET_EFAULT;
2206 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2207 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2208 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2209 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2210 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2211 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2212 __put_user(host_seminfo->semume, &target_seminfo->semume);
2213 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2214 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2215 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2216 unlock_user_struct(target_seminfo, target_addr, 1);
2217 return 0;
2218}
2219
fa294816
TS		 2220union semun {
2221 int val;
3eb6b044 2222 struct semid_ds *buf;
fa294816 2223 unsigned short *array;
e5289087 2224 struct seminfo *__buf;
fa294816
TS		 2225};
2226
3eb6b044
TS		 2227union target_semun {
2228 int val;
e5289087
AJ		 2229 abi_ulong buf;
2230 abi_ulong array;
2231 abi_ulong __buf;
3eb6b044
TS		 2232};
2233
e5289087
AJ		 2234static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2235 abi_ulong target_addr)
3eb6b044 2236{
e5289087
AJ		 2237 int nsems;
2238 unsigned short *array;
2239 union semun semun;
2240 struct semid_ds semid_ds;
2241 int i, ret;
3eb6b044 2242
e5289087
AJ		 2243 semun.buf = &semid_ds;
2244
2245 ret = semctl(semid, 0, IPC_STAT, semun);
2246 if (ret == -1)
2247 return get_errno(ret);
2248
2249 nsems = semid_ds.sem_nsems;
2250
2251 *host_array = malloc(nsems*sizeof(unsigned short));
2252 array = lock_user(VERIFY_READ, target_addr,
2253 nsems*sizeof(unsigned short), 1);
2254 if (!array)
2255 return -TARGET_EFAULT;
2256
2257 for(i=0; i<nsems; i++) {
2258 __get_user((*host_array)[i], &array[i]);
3eb6b044 2259 }
e5289087
AJ		 2260 unlock_user(array, target_addr, 0);
2261
579a97f7 2262 return 0;
3eb6b044
TS		 2263}
2264
e5289087
AJ		 2265static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2266 unsigned short **host_array)
3eb6b044 2267{
e5289087
AJ		 2268 int nsems;
2269 unsigned short *array;
2270 union semun semun;
2271 struct semid_ds semid_ds;
2272 int i, ret;
3eb6b044 2273
e5289087
AJ		 2274 semun.buf = &semid_ds;
2275
2276 ret = semctl(semid, 0, IPC_STAT, semun);
2277 if (ret == -1)
2278 return get_errno(ret);
2279
2280 nsems = semid_ds.sem_nsems;
2281
2282 array = lock_user(VERIFY_WRITE, target_addr,
2283 nsems*sizeof(unsigned short), 0);
2284 if (!array)
2285 return -TARGET_EFAULT;
2286
2287 for(i=0; i<nsems; i++) {
2288 __put_user((*host_array)[i], &array[i]);
3eb6b044 2289 }
e5289087
AJ		 2290 free(*host_array);
2291 unlock_user(array, target_addr, 1);
2292
579a97f7 2293 return 0;
3eb6b044
TS		 2294}
2295
e5289087
AJ		 2296static inline abi_long do_semctl(int semid, int semnum, int cmd,
2297 union target_semun target_su)
3eb6b044
TS		 2298{
2299 union semun arg;
2300 struct semid_ds dsarg;
7b8118e8 2301 unsigned short *array = NULL;
e5289087
AJ		 2302 struct seminfo seminfo;
2303 abi_long ret = -TARGET_EINVAL;
2304 abi_long err;
2305 cmd &= 0xff;
3eb6b044
TS		 2306
2307 switch( cmd ) {
2308 case GETVAL:
3eb6b044 2309 case SETVAL:
e5289087
AJ		 2310 arg.val = tswapl(target_su.val);
2311 ret = get_errno(semctl(semid, semnum, cmd, arg));
2312 target_su.val = tswapl(arg.val);
3eb6b044
TS		 2313 break;
2314 case GETALL:
3eb6b044 2315 case SETALL:
e5289087
AJ		 2316 err = target_to_host_semarray(semid, &array, target_su.array);
2317 if (err)
2318 return err;
2319 arg.array = array;
2320 ret = get_errno(semctl(semid, semnum, cmd, arg));
2321 err = host_to_target_semarray(semid, target_su.array, &array);
2322 if (err)
2323 return err;
3eb6b044
TS		 2324 break;
2325 case IPC_STAT:
3eb6b044 2326 case IPC_SET:
e5289087
AJ		 2327 case SEM_STAT:
2328 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2329 if (err)
2330 return err;
2331 arg.buf = &dsarg;
2332 ret = get_errno(semctl(semid, semnum, cmd, arg));
2333 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2334 if (err)
2335 return err;
2336 break;
2337 case IPC_INFO:
2338 case SEM_INFO:
2339 arg.__buf = &seminfo;
2340 ret = get_errno(semctl(semid, semnum, cmd, arg));
2341 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2342 if (err)
2343 return err;
2344 break;
2345 case IPC_RMID:
2346 case GETPID:
2347 case GETNCNT:
2348 case GETZCNT:
2349 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2350 break;
3eb6b044
TS		 2351 }
2352
2353 return ret;
2354}
2355
e5289087
AJ		 2356struct target_sembuf {
2357 unsigned short sem_num;
2358 short sem_op;
2359 short sem_flg;
2360};
2361
2362static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2363 abi_ulong target_addr,
2364 unsigned nsops)
2365{
2366 struct target_sembuf *target_sembuf;
2367 int i;
2368
2369 target_sembuf = lock_user(VERIFY_READ, target_addr,
2370 nsops*sizeof(struct target_sembuf), 1);
2371 if (!target_sembuf)
2372 return -TARGET_EFAULT;
2373
2374 for(i=0; i<nsops; i++) {
2375 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2376 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2377 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2378 }
2379
2380 unlock_user(target_sembuf, target_addr, 0);
2381
2382 return 0;
2383}
2384
2385static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2386{
2387 struct sembuf sops[nsops];
2388
2389 if (target_to_host_sembuf(sops, ptr, nsops))
2390 return -TARGET_EFAULT;
2391
2392 return semop(semid, sops, nsops);
2393}
2394
1bc012f6
TS		 2395struct target_msqid_ds
2396{
1c54ff97
AJ		 2397 struct target_ipc_perm msg_perm;
2398 abi_ulong msg_stime;
2399#if TARGET_ABI_BITS == 32
2400 abi_ulong __unused1;
2401#endif
2402 abi_ulong msg_rtime;
2403#if TARGET_ABI_BITS == 32
2404 abi_ulong __unused2;
2405#endif
2406 abi_ulong msg_ctime;
2407#if TARGET_ABI_BITS == 32
2408 abi_ulong __unused3;
2409#endif
2410 abi_ulong __msg_cbytes;
2411 abi_ulong msg_qnum;
2412 abi_ulong msg_qbytes;
2413 abi_ulong msg_lspid;
2414 abi_ulong msg_lrpid;
2415 abi_ulong __unused4;
2416 abi_ulong __unused5;
1bc012f6
TS		 2417};
2418
579a97f7
FB		 2419static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2420 abi_ulong target_addr)
1bc012f6
TS		 2421{
2422 struct target_msqid_ds *target_md;
2423
579a97f7
FB		 2424 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2425 return -TARGET_EFAULT;
1c54ff97
AJ		 2426 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2427 return -TARGET_EFAULT;
1bc012f6
TS		 2428 host_md->msg_stime = tswapl(target_md->msg_stime);
2429 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2430 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2431 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2432 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2433 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2434 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2435 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2436 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2437 return 0;
1bc012f6
TS		 2438}
2439
579a97f7
FB		 2440static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2441 struct msqid_ds *host_md)
1bc012f6
TS		 2442{
2443 struct target_msqid_ds *target_md;
2444
579a97f7
FB		 2445 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2446 return -TARGET_EFAULT;
1c54ff97
AJ		 2447 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2448 return -TARGET_EFAULT;
1bc012f6
TS		 2449 target_md->msg_stime = tswapl(host_md->msg_stime);
2450 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2451 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2452 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2453 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2454 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2455 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2456 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2457 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2458 return 0;
1bc012f6
TS		 2459}
2460
1c54ff97
AJ		 2461struct target_msginfo {
2462 int msgpool;
2463 int msgmap;
2464 int msgmax;
2465 int msgmnb;
2466 int msgmni;
2467 int msgssz;
2468 int msgtql;
2469 unsigned short int msgseg;
2470};
2471
2472static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2473 struct msginfo *host_msginfo)
2474{
2475 struct target_msginfo *target_msginfo;
2476 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2477 return -TARGET_EFAULT;
2478 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2479 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2480 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2481 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2482 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2483 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2484 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2485 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2486 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2487 return 0;
1c54ff97
AJ		 2488}
2489
2490static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2491{
2492 struct msqid_ds dsarg;
1c54ff97
AJ		 2493 struct msginfo msginfo;
2494 abi_long ret = -TARGET_EINVAL;
2495
2496 cmd &= 0xff;
2497
2498 switch (cmd) {
1bc012f6
TS		 2499 case IPC_STAT:
2500 case IPC_SET:
1c54ff97
AJ		 2501 case MSG_STAT:
2502 if (target_to_host_msqid_ds(&dsarg,ptr))
2503 return -TARGET_EFAULT;
2504 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2505 if (host_to_target_msqid_ds(ptr,&dsarg))
2506 return -TARGET_EFAULT;
2507 break;
2508 case IPC_RMID:
2509 ret = get_errno(msgctl(msgid, cmd, NULL));
2510 break;
2511 case IPC_INFO:
2512 case MSG_INFO:
2513 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2514 if (host_to_target_msginfo(ptr, &msginfo))
2515 return -TARGET_EFAULT;
2516 break;
1bc012f6 2517 }
1c54ff97 2518
1bc012f6
TS		 2519 return ret;
2520}
2521
2522struct target_msgbuf {
1c54ff97
AJ		 2523 abi_long mtype;
2524 char mtext[1];
1bc012f6
TS		 2525};
2526
992f48a0
BS		 2527static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2528 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2529{
2530 struct target_msgbuf *target_mb;
2531 struct msgbuf *host_mb;
992f48a0 2532 abi_long ret = 0;
1bc012f6 2533
579a97f7
FB		 2534 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2535 return -TARGET_EFAULT;
1bc012f6 2536 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2537 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2538 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2539 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2540 free(host_mb);
2541 unlock_user_struct(target_mb, msgp, 0);
2542
2543 return ret;
2544}
2545
992f48a0 2546static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2547 unsigned int msgsz, abi_long msgtyp,
992f48a0 2548 int msgflg)
1bc012f6
TS		 2549{
2550 struct target_msgbuf *target_mb;
579a97f7 2551 char *target_mtext;
1bc012f6 2552 struct msgbuf *host_mb;
992f48a0 2553 abi_long ret = 0;
1bc012f6 2554
579a97f7
FB		 2555 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2556 return -TARGET_EFAULT;
1c54ff97 2557
1bc012f6 2558 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2559 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2560
579a97f7
FB		 2561 if (ret > 0) {
2562 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2563 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2564 if (!target_mtext) {
2565 ret = -TARGET_EFAULT;
2566 goto end;
2567 }
1c54ff97 2568 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2569 unlock_user(target_mtext, target_mtext_addr, ret);
2570 }
1c54ff97 2571
1bc012f6
TS		 2572 target_mb->mtype = tswapl(host_mb->mtype);
2573 free(host_mb);
1bc012f6 2574
579a97f7
FB		 2575end:
2576 if (target_mb)
2577 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 2578 return ret;
2579}
2580
88a8c984
RV		 2581struct target_shmid_ds
2582{
2583 struct target_ipc_perm shm_perm;
2584 abi_ulong shm_segsz;
2585 abi_ulong shm_atime;
2586#if TARGET_ABI_BITS == 32
2587 abi_ulong __unused1;
2588#endif
2589 abi_ulong shm_dtime;
2590#if TARGET_ABI_BITS == 32
2591 abi_ulong __unused2;
2592#endif
2593 abi_ulong shm_ctime;
2594#if TARGET_ABI_BITS == 32
2595 abi_ulong __unused3;
2596#endif
2597 int shm_cpid;
2598 int shm_lpid;
2599 abi_ulong shm_nattch;
2600 unsigned long int __unused4;
2601 unsigned long int __unused5;
2602};
2603
2604static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2605 abi_ulong target_addr)
2606{
2607 struct target_shmid_ds *target_sd;
2608
2609 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2610 return -TARGET_EFAULT;
2611 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2612 return -TARGET_EFAULT;
2613 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2614 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2615 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2616 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2617 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2618 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2619 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2620 unlock_user_struct(target_sd, target_addr, 0);
2621 return 0;
2622}
2623
2624static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2625 struct shmid_ds *host_sd)
2626{
2627 struct target_shmid_ds *target_sd;
2628
2629 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2630 return -TARGET_EFAULT;
2631 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2632 return -TARGET_EFAULT;
2633 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2634 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2635 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2636 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2637 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2638 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2639 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2640 unlock_user_struct(target_sd, target_addr, 1);
2641 return 0;
2642}
2643
2644struct target_shminfo {
2645 abi_ulong shmmax;
2646 abi_ulong shmmin;
2647 abi_ulong shmmni;
2648 abi_ulong shmseg;
2649 abi_ulong shmall;
2650};
2651
2652static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2653 struct shminfo *host_shminfo)
2654{
2655 struct target_shminfo *target_shminfo;
2656 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2657 return -TARGET_EFAULT;
2658 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2659 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2660 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2661 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2662 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2663 unlock_user_struct(target_shminfo, target_addr, 1);
2664 return 0;
2665}
2666
2667struct target_shm_info {
2668 int used_ids;
2669 abi_ulong shm_tot;
2670 abi_ulong shm_rss;
2671 abi_ulong shm_swp;
2672 abi_ulong swap_attempts;
2673 abi_ulong swap_successes;
2674};
2675
2676static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2677 struct shm_info *host_shm_info)
2678{
2679 struct target_shm_info *target_shm_info;
2680 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2681 return -TARGET_EFAULT;
2682 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2683 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2684 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2685 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2686 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2687 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2688 unlock_user_struct(target_shm_info, target_addr, 1);
2689 return 0;
2690}
2691
2692static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2693{
2694 struct shmid_ds dsarg;
2695 struct shminfo shminfo;
2696 struct shm_info shm_info;
2697 abi_long ret = -TARGET_EINVAL;
2698
2699 cmd &= 0xff;
2700
2701 switch(cmd) {
2702 case IPC_STAT:
2703 case IPC_SET:
2704 case SHM_STAT:
2705 if (target_to_host_shmid_ds(&dsarg, buf))
2706 return -TARGET_EFAULT;
2707 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2708 if (host_to_target_shmid_ds(buf, &dsarg))
2709 return -TARGET_EFAULT;
2710 break;
2711 case IPC_INFO:
2712 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2713 if (host_to_target_shminfo(buf, &shminfo))
2714 return -TARGET_EFAULT;
2715 break;
2716 case SHM_INFO:
2717 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2718 if (host_to_target_shm_info(buf, &shm_info))
2719 return -TARGET_EFAULT;
2720 break;
2721 case IPC_RMID:
2722 case SHM_LOCK:
2723 case SHM_UNLOCK:
2724 ret = get_errno(shmctl(shmid, cmd, NULL));
2725 break;
2726 }
2727
2728 return ret;
2729}
2730
2731static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2732{
2733 abi_long raddr;
2734 void *host_raddr;
2735 struct shmid_ds shm_info;
2736 int i,ret;
2737
2738 /* find out the length of the shared memory segment */
2739 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2740 if (is_error(ret)) {
2741 /* can't get length, bail out */
2742 return ret;
2743 }
2744
2745 mmap_lock();
2746
2747 if (shmaddr)
2748 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2749 else {
2750 abi_ulong mmap_start;
2751
2752 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2753
2754 if (mmap_start == -1) {
2755 errno = ENOMEM;
2756 host_raddr = (void *)-1;
2757 } else
2758 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2759 }
2760
2761 if (host_raddr == (void *)-1) {
2762 mmap_unlock();
2763 return get_errno((long)host_raddr);
2764 }
2765 raddr=h2g((unsigned long)host_raddr);
2766
2767 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2768 PAGE_VALID | PAGE_READ |
2769 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2770
2771 for (i = 0; i < N_SHM_REGIONS; i++) {
2772 if (shm_regions[i].start == 0) {
2773 shm_regions[i].start = raddr;
2774 shm_regions[i].size = shm_info.shm_segsz;
2775 break;
2776 }
2777 }
2778
2779 mmap_unlock();
2780 return raddr;
2781
2782}
2783
2784static inline abi_long do_shmdt(abi_ulong shmaddr)
2785{
2786 int i;
2787
2788 for (i = 0; i < N_SHM_REGIONS; ++i) {
2789 if (shm_regions[i].start == shmaddr) {
2790 shm_regions[i].start = 0;
e00ac249 2791 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
88a8c984
RV		 2792 break;
2793 }
2794 }
2795
2796 return get_errno(shmdt(g2h(shmaddr)));
2797}
2798
1c54ff97 2799#ifdef TARGET_NR_ipc
53a5960a 2800/* ??? This only works with linear mappings. */
0da46a6e 2801/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 2802static abi_long do_ipc(unsigned int call, int first,
2803 int second, int third,
2804 abi_long ptr, abi_long fifth)
8853f86e
FB		 2805{
2806 int version;
992f48a0 2807 abi_long ret = 0;
8853f86e
FB		 2808
2809 version = call >> 16;
2810 call &= 0xffff;
2811
2812 switch (call) {
fa294816 2813 case IPCOP_semop:
e5289087 2814 ret = do_semop(first, ptr, second);
fa294816
TS		 2815 break;
2816
2817 case IPCOP_semget:
2818 ret = get_errno(semget(first, second, third));
2819 break;
2820
2821 case IPCOP_semctl:
e5289087 2822 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 2823 break;
d96372ef 2824
1c54ff97
AJ		 2825 case IPCOP_msgget:
2826 ret = get_errno(msgget(first, second));
2827 break;
d96372ef 2828
1c54ff97
AJ		 2829 case IPCOP_msgsnd:
2830 ret = do_msgsnd(first, ptr, second, third);
2831 break;
d96372ef 2832
1c54ff97
AJ		 2833 case IPCOP_msgctl:
2834 ret = do_msgctl(first, second, ptr);
2835 break;
d96372ef 2836
1c54ff97
AJ		 2837 case IPCOP_msgrcv:
2838 switch (version) {
2839 case 0:
2840 {
2841 struct target_ipc_kludge {
2842 abi_long msgp;
2843 abi_long msgtyp;
2844 } *tmp;
2845
2846 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2847 ret = -TARGET_EFAULT;
2848 break;
2849 }
d96372ef 2850
1c54ff97 2851 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 2852
1c54ff97
AJ		 2853 unlock_user_struct(tmp, ptr, 0);
2854 break;
2855 }
2856 default:
2857 ret = do_msgrcv(first, ptr, second, fifth, third);
2858 }
2859 break;
d96372ef 2860
8853f86e 2861 case IPCOP_shmat:
88a8c984
RV		 2862 switch (version) {
2863 default:
5a4a898d
FB		 2864 {
2865 abi_ulong raddr;
88a8c984
RV		 2866 raddr = do_shmat(first, ptr, second);
2867 if (is_error(raddr))
2868 return get_errno(raddr);
2f619698 2869 if (put_user_ual(raddr, third))
5a4a898d 2870 return -TARGET_EFAULT;
88a8c984
RV		 2871 break;
2872 }
2873 case 1:
2874 ret = -TARGET_EINVAL;
2875 break;
5a4a898d 2876 }
8853f86e
FB		 2877 break;
2878 case IPCOP_shmdt:
88a8c984 2879 ret = do_shmdt(ptr);
8853f86e
FB		 2880 break;
2881
2882 case IPCOP_shmget:
2883 /* IPC_* flag values are the same on all linux platforms */
2884 ret = get_errno(shmget(first, second, third));
2885 break;
2886
2887 /* IPC_* and SHM_* command values are the same on all linux platforms */
2888 case IPCOP_shmctl:
88a8c984 2889 ret = do_shmctl(first, second, third);
8853f86e
FB		 2890 break;
2891 default:
32407103 2892 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 2893 ret = -TARGET_ENOSYS;
8853f86e
FB		 2894 break;
2895 }
2896 return ret;
2897}
32407103 2898#endif
8853f86e 2899
31e31b8a
FB		 2900/* kernel structure types definitions */
2901#define IFNAMSIZ 16
2902
001faf32 2903#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 2904#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2905enum {
2906#include "syscall_types.h"
2907};
2908#undef STRUCT
2909#undef STRUCT_SPECIAL
2910
001faf32 2911#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 2912#define STRUCT_SPECIAL(name)
2913#include "syscall_types.h"
2914#undef STRUCT
2915#undef STRUCT_SPECIAL
2916
2917typedef struct IOCTLEntry {
2ab83ea7
FB		 2918 unsigned int target_cmd;
2919 unsigned int host_cmd;
31e31b8a
FB		 2920 const char *name;
2921 int access;
1a9353d2 2922 const argtype arg_type[5];
31e31b8a
FB		 2923} IOCTLEntry;
2924
2925#define IOC_R 0x0001
2926#define IOC_W 0x0002
2927#define IOC_RW (IOC_R | IOC_W)
2928
2929#define MAX_STRUCT_SIZE 4096
2930
9f106a75 2931static IOCTLEntry ioctl_entries[] = {
001faf32
BS		 2932#define IOCTL(cmd, access, ...) \
2933 { TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } },
31e31b8a
FB		 2934#include "ioctls.h"
2935 { 0, 0, },
2936};
2937
53a5960a 2938/* ??? Implement proper locking for ioctls. */
0da46a6e 2939/* do_ioctl() Must return target values and target errnos. */
992f48a0 2940static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 2941{
2942 const IOCTLEntry *ie;
2943 const argtype *arg_type;
992f48a0 2944 abi_long ret;
31e31b8a 2945 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 2946 int target_size;
2947 void *argptr;
31e31b8a
FB		 2948
2949 ie = ioctl_entries;
2950 for(;;) {
2951 if (ie->target_cmd == 0) {
32407103 2952 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 2953 return -TARGET_ENOSYS;
31e31b8a
FB		 2954 }
2955 if (ie->target_cmd == cmd)
2956 break;
2957 ie++;
2958 }
2959 arg_type = ie->arg_type;
9de5e440 2960#if defined(DEBUG)
32407103 2961 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 2962#endif
31e31b8a
FB		 2963 switch(arg_type[0]) {
2964 case TYPE_NULL:
2965 /* no argument */
2966 ret = get_errno(ioctl(fd, ie->host_cmd));
2967 break;
2968 case TYPE_PTRVOID:
2969 case TYPE_INT:
2970 /* int argment */
2971 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2972 break;
2973 case TYPE_PTR:
2974 arg_type++;
53a5960a 2975 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 2976 switch(ie->access) {
2977 case IOC_R:
2978 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2979 if (!is_error(ret)) {
579a97f7
FB		 2980 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2981 if (!argptr)
2982 return -TARGET_EFAULT;
53a5960a
PB		 2983 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2984 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2985 }
2986 break;
2987 case IOC_W:
579a97f7
FB		 2988 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2989 if (!argptr)
2990 return -TARGET_EFAULT;
53a5960a
PB		 2991 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2992 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2993 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2994 break;
2995 default:
2996 case IOC_RW:
579a97f7
FB		 2997 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2998 if (!argptr)
2999 return -TARGET_EFAULT;
53a5960a
PB		 3000 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3001 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3002 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3003 if (!is_error(ret)) {
579a97f7
FB		 3004 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3005 if (!argptr)
3006 return -TARGET_EFAULT;
53a5960a
PB		 3007 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3008 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3009 }
3010 break;
3011 }
3012 break;
3013 default:
32407103
JM		 3014 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3015 (long)cmd, arg_type[0]);
0da46a6e 3016 ret = -TARGET_ENOSYS;
31e31b8a
FB		 3017 break;
3018 }
3019 return ret;
3020}
3021
b39bc503 3022static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 3023 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3024 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3025 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3026 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3027 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3028 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3029 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3030 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3031 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3032 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3033 { TARGET_IXON, TARGET_IXON, IXON, IXON },
3034 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3035 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3036 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3037 { 0, 0, 0, 0 }
3038};
3039
b39bc503 3040static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 3041 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3042 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3043 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3044 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3045 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3046 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3047 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3048 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3049 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3050 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3051 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3052 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3053 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3054 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3055 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3056 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3057 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3058 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3059 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3060 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3061 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3062 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3063 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3064 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3065 { 0, 0, 0, 0 }
3066};
3067
b39bc503 3068static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3069 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3070 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3071 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3072 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3073 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3074 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3075 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3076 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3077 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3078 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3079 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3080 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3081 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3082 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3083 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3084 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3085 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3086 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3087 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3088 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3089 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3090 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3091 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3092 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3093 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3094 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3095 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3096 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3097 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3098 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3099 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3100 { 0, 0, 0, 0 }
3101};
3102
b39bc503 3103static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3104 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3105 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3106 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3107 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3108 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3109 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3110 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3111 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3112 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3113 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3114 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3115 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3116 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3117 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3118 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3119 { 0, 0, 0, 0 }
3120};
3121
3122static void target_to_host_termios (void *dst, const void *src)
3123{
3124 struct host_termios *host = dst;
3125 const struct target_termios *target = src;
3b46e624 3126
5fafdf24 3127 host->c_iflag =
31e31b8a 3128 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3129 host->c_oflag =
31e31b8a 3130 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3131 host->c_cflag =
31e31b8a 3132 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3133 host->c_lflag =
31e31b8a
FB		 3134 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3135 host->c_line = target->c_line;
3b46e624 3136
44607123 3137 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3138 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3139 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3140 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3141 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3142 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3143 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3144 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3145 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3146 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3147 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3148 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3149 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3150 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3151 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3152 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3153 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3154 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3155}
3b46e624 3156
31e31b8a
FB		 3157static void host_to_target_termios (void *dst, const void *src)
3158{
3159 struct target_termios *target = dst;
3160 const struct host_termios *host = src;
3161
5fafdf24 3162 target->c_iflag =
31e31b8a 3163 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3164 target->c_oflag =
31e31b8a 3165 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3166 target->c_cflag =
31e31b8a 3167 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3168 target->c_lflag =
31e31b8a
FB		 3169 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3170 target->c_line = host->c_line;
3b46e624 3171
44607123 3172 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3173 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3174 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3175 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3176 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3177 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3178 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3179 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3180 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3181 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3182 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3183 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3184 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3185 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3186 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3187 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3188 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3189 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3190}
3191
8e853dc7 3192static const StructEntry struct_termios_def = {
31e31b8a
FB		 3193 .convert = { host_to_target_termios, target_to_host_termios },
3194 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3195 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3196};
3197
5286db75
FB		 3198static bitmask_transtbl mmap_flags_tbl[] = {
3199 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3200 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3201 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3202 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3203 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3204 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3205 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3206 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3207 { 0, 0, 0, 0 }
3208};
3209
2ab83ea7 3210#if defined(TARGET_I386)
6dbad63e
FB		 3211
3212/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3213static uint8_t *ldt_table;
6dbad63e 3214
03acab66 3215static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3216{
3217 int size;
53a5960a 3218 void *p;
6dbad63e
FB		 3219
3220 if (!ldt_table)
3221 return 0;
3222 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3223 if (size > bytecount)
3224 size = bytecount;
579a97f7
FB		 3225 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3226 if (!p)
03acab66 3227 return -TARGET_EFAULT;
579a97f7 3228 /* ??? Should this by byteswapped? */
53a5960a
PB		 3229 memcpy(p, ldt_table, size);
3230 unlock_user(p, ptr, size);
6dbad63e
FB		 3231 return size;
3232}
3233
3234/* XXX: add locking support */
03acab66
FB		 3235static abi_long write_ldt(CPUX86State *env,
3236 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3237{
3238 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3239 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3240 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3241 int seg_not_present, useable, lm;
6dbad63e
FB		 3242 uint32_t *lp, entry_1, entry_2;
3243
3244 if (bytecount != sizeof(ldt_info))
03acab66 3245 return -TARGET_EINVAL;
579a97f7 3246 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3247 return -TARGET_EFAULT;
53a5960a
PB		 3248 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3249 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3250 ldt_info.limit = tswap32(target_ldt_info->limit);
3251 ldt_info.flags = tswap32(target_ldt_info->flags);
3252 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3253
6dbad63e 3254 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3255 return -TARGET_EINVAL;
6dbad63e
FB		 3256 seg_32bit = ldt_info.flags & 1;
3257 contents = (ldt_info.flags >> 1) & 3;
3258 read_exec_only = (ldt_info.flags >> 3) & 1;
3259 limit_in_pages = (ldt_info.flags >> 4) & 1;
3260 seg_not_present = (ldt_info.flags >> 5) & 1;
3261 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3262#ifdef TARGET_ABI32
3263 lm = 0;
3264#else
3265 lm = (ldt_info.flags >> 7) & 1;
3266#endif
6dbad63e
FB		 3267 if (contents == 3) {
3268 if (oldmode)
03acab66 3269 return -TARGET_EINVAL;
6dbad63e 3270 if (seg_not_present == 0)
03acab66 3271 return -TARGET_EINVAL;
6dbad63e
FB		 3272 }
3273 /* allocate the LDT */
3274 if (!ldt_table) {
e441570f
AZ		 3275 env->ldt.base = target_mmap(0,
3276 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3277 PROT_READ|PROT_WRITE,
3278 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3279 if (env->ldt.base == -1)
03acab66 3280 return -TARGET_ENOMEM;
e441570f
AZ		 3281 memset(g2h(env->ldt.base), 0,
3282 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3283 env->ldt.limit = 0xffff;
e441570f 3284 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3285 }
3286
3287 /* NOTE: same code as Linux kernel */
3288 /* Allow LDTs to be cleared by the user. */
3289 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3290 if (oldmode ||
3291 (contents == 0 &&
3292 read_exec_only == 1 &&
3293 seg_32bit == 0 &&
3294 limit_in_pages == 0 &&
3295 seg_not_present == 1 &&
3296 useable == 0 )) {
3297 entry_1 = 0;
3298 entry_2 = 0;
3299 goto install;
3300 }
3301 }
3b46e624 3302
6dbad63e
FB		 3303 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3304 (ldt_info.limit & 0x0ffff);
3305 entry_2 = (ldt_info.base_addr & 0xff000000) |
3306 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3307 (ldt_info.limit & 0xf0000) |
3308 ((read_exec_only ^ 1) << 9) |
3309 (contents << 10) |
3310 ((seg_not_present ^ 1) << 15) |
3311 (seg_32bit << 22) |
3312 (limit_in_pages << 23) |
8d18e893 3313 (lm << 21) |
6dbad63e
FB		 3314 0x7000;
3315 if (!oldmode)
3316 entry_2 |= (useable << 20);
14ae3ba7 3317
6dbad63e
FB		 3318 /* Install the new entry ... */
3319install:
3320 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3321 lp[0] = tswap32(entry_1);
3322 lp[1] = tswap32(entry_2);
3323 return 0;
3324}
3325
3326/* specific and weird i386 syscalls */
8fcd3692
BS		 3327static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3328 unsigned long bytecount)
6dbad63e 3329{
03acab66 3330 abi_long ret;
3b46e624 3331
6dbad63e
FB		 3332 switch (func) {
3333 case 0:
3334 ret = read_ldt(ptr, bytecount);
3335 break;
3336 case 1:
3337 ret = write_ldt(env, ptr, bytecount, 1);
3338 break;
3339 case 0x11:
3340 ret = write_ldt(env, ptr, bytecount, 0);
3341 break;
03acab66
FB		 3342 default:
3343 ret = -TARGET_ENOSYS;
3344 break;
6dbad63e
FB		 3345 }
3346 return ret;
3347}
1b6b029e 3348
4583f589 3349#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 3350static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3351{
3352 uint64_t *gdt_table = g2h(env->gdt.base);
3353 struct target_modify_ldt_ldt_s ldt_info;
3354 struct target_modify_ldt_ldt_s *target_ldt_info;
3355 int seg_32bit, contents, read_exec_only, limit_in_pages;
3356 int seg_not_present, useable, lm;
3357 uint32_t *lp, entry_1, entry_2;
3358 int i;
3359
3360 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3361 if (!target_ldt_info)
3362 return -TARGET_EFAULT;
3363 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3364 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3365 ldt_info.limit = tswap32(target_ldt_info->limit);
3366 ldt_info.flags = tswap32(target_ldt_info->flags);
3367 if (ldt_info.entry_number == -1) {
3368 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3369 if (gdt_table[i] == 0) {
3370 ldt_info.entry_number = i;
3371 target_ldt_info->entry_number = tswap32(i);
3372 break;
3373 }
3374 }
3375 }
3376 unlock_user_struct(target_ldt_info, ptr, 1);
3377
3378 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3379 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3380 return -TARGET_EINVAL;
3381 seg_32bit = ldt_info.flags & 1;
3382 contents = (ldt_info.flags >> 1) & 3;
3383 read_exec_only = (ldt_info.flags >> 3) & 1;
3384 limit_in_pages = (ldt_info.flags >> 4) & 1;
3385 seg_not_present = (ldt_info.flags >> 5) & 1;
3386 useable = (ldt_info.flags >> 6) & 1;
3387#ifdef TARGET_ABI32
3388 lm = 0;
3389#else
3390 lm = (ldt_info.flags >> 7) & 1;
3391#endif
3392
3393 if (contents == 3) {
3394 if (seg_not_present == 0)
3395 return -TARGET_EINVAL;
3396 }
3397
3398 /* NOTE: same code as Linux kernel */
3399 /* Allow LDTs to be cleared by the user. */
3400 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3401 if ((contents == 0 &&
3402 read_exec_only == 1 &&
3403 seg_32bit == 0 &&
3404 limit_in_pages == 0 &&
3405 seg_not_present == 1 &&
3406 useable == 0 )) {
3407 entry_1 = 0;
3408 entry_2 = 0;
3409 goto install;
3410 }
3411 }
3412
3413 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3414 (ldt_info.limit & 0x0ffff);
3415 entry_2 = (ldt_info.base_addr & 0xff000000) |
3416 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3417 (ldt_info.limit & 0xf0000) |
3418 ((read_exec_only ^ 1) << 9) |
3419 (contents << 10) |
3420 ((seg_not_present ^ 1) << 15) |
3421 (seg_32bit << 22) |
3422 (limit_in_pages << 23) |
3423 (useable << 20) |
3424 (lm << 21) |
3425 0x7000;
3426
3427 /* Install the new entry ... */
3428install:
3429 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3430 lp[0] = tswap32(entry_1);
3431 lp[1] = tswap32(entry_2);
3432 return 0;
3433}
3434
8fcd3692 3435static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3436{
3437 struct target_modify_ldt_ldt_s *target_ldt_info;
3438 uint64_t *gdt_table = g2h(env->gdt.base);
3439 uint32_t base_addr, limit, flags;
3440 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3441 int seg_not_present, useable, lm;
3442 uint32_t *lp, entry_1, entry_2;
3443
3444 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3445 if (!target_ldt_info)
3446 return -TARGET_EFAULT;
3447 idx = tswap32(target_ldt_info->entry_number);
3448 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3449 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3450 unlock_user_struct(target_ldt_info, ptr, 1);
3451 return -TARGET_EINVAL;
3452 }
3453 lp = (uint32_t *)(gdt_table + idx);
3454 entry_1 = tswap32(lp[0]);
3455 entry_2 = tswap32(lp[1]);
3456
3457 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3458 contents = (entry_2 >> 10) & 3;
3459 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3460 seg_32bit = (entry_2 >> 22) & 1;
3461 limit_in_pages = (entry_2 >> 23) & 1;
3462 useable = (entry_2 >> 20) & 1;
3463#ifdef TARGET_ABI32
3464 lm = 0;
3465#else
3466 lm = (entry_2 >> 21) & 1;
3467#endif
3468 flags = (seg_32bit << 0) | (contents << 1) |
3469 (read_exec_only << 3) | (limit_in_pages << 4) |
3470 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3471 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3472 base_addr = (entry_1 >> 16) |
3473 (entry_2 & 0xff000000) |
3474 ((entry_2 & 0xff) << 16);
3475 target_ldt_info->base_addr = tswapl(base_addr);
3476 target_ldt_info->limit = tswap32(limit);
3477 target_ldt_info->flags = tswap32(flags);
3478 unlock_user_struct(target_ldt_info, ptr, 1);
3479 return 0;
3480}
4583f589 3481#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 3482
d2fd1af7 3483#ifndef TARGET_ABI32
8fcd3692 3484static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7
FB		 3485{
3486 abi_long ret;
3487 abi_ulong val;
3488 int idx;
3489
3490 switch(code) {
3491 case TARGET_ARCH_SET_GS:
3492 case TARGET_ARCH_SET_FS:
3493 if (code == TARGET_ARCH_SET_GS)
3494 idx = R_GS;
3495 else
3496 idx = R_FS;
3497 cpu_x86_load_seg(env, idx, 0);
3498 env->segs[idx].base = addr;
3499 break;
3500 case TARGET_ARCH_GET_GS:
3501 case TARGET_ARCH_GET_FS:
3502 if (code == TARGET_ARCH_GET_GS)
3503 idx = R_GS;
3504 else
3505 idx = R_FS;
3506 val = env->segs[idx].base;
3507 if (put_user(val, addr, abi_ulong))
3508 return -TARGET_EFAULT;
3509 break;
3510 default:
3511 ret = -TARGET_EINVAL;
3512 break;
3513 }
3514 return 0;
3515}
3516#endif
3517
2ab83ea7
FB		 3518#endif /* defined(TARGET_I386) */
3519
2f7bb878 3520#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3521
3522#define NEW_STACK_SIZE PTHREAD_STACK_MIN
3523
3524static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3525typedef struct {
3526 CPUState *env;
3527 pthread_mutex_t mutex;
3528 pthread_cond_t cond;
3529 pthread_t thread;
3530 uint32_t tid;
3531 abi_ulong child_tidptr;
3532 abi_ulong parent_tidptr;
3533 sigset_t sigmask;
3534} new_thread_info;
3535
3536static void *clone_func(void *arg)
3537{
3538 new_thread_info *info = arg;
3539 CPUState *env;
edf8e2af 3540 TaskState *ts;
d865bab5
PB		 3541
3542 env = info->env;
3543 thread_env = env;
edf8e2af 3544 ts = (TaskState *)thread_env->opaque;
d865bab5 3545 info->tid = gettid();
1e9fa730 3546 env->host_tid = info->tid;
edf8e2af 3547 task_settid(ts);
d865bab5
PB		 3548 if (info->child_tidptr)
3549 put_user_u32(info->tid, info->child_tidptr);
3550 if (info->parent_tidptr)
3551 put_user_u32(info->tid, info->parent_tidptr);
3552 /* Enable signals. */
3553 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3554 /* Signal to the parent that we're ready. */
3555 pthread_mutex_lock(&info->mutex);
3556 pthread_cond_broadcast(&info->cond);
3557 pthread_mutex_unlock(&info->mutex);
3558 /* Wait until the parent has finshed initializing the tls state. */
3559 pthread_mutex_lock(&clone_lock);
3560 pthread_mutex_unlock(&clone_lock);
3561 cpu_loop(env);
3562 /* never exits */
3563 return NULL;
3564}
3565#else
1b6b029e
FB		 3566/* this stack is the equivalent of the kernel stack associated with a
3567 thread/process */
3568#define NEW_STACK_SIZE 8192
3569
3570static int clone_func(void *arg)
3571{
2ab83ea7 3572 CPUState *env = arg;
1b6b029e
FB		 3573 cpu_loop(env);
3574 /* never exits */
3575 return 0;
3576}
d865bab5 3577#endif
1b6b029e 3578
0da46a6e
TS		 3579/* do_fork() Must return host values and target errnos (unlike most
3580 do_*() functions). */
d865bab5
PB		 3581static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3582 abi_ulong parent_tidptr, target_ulong newtls,
3583 abi_ulong child_tidptr)
1b6b029e
FB		 3584{
3585 int ret;
5cd4393b 3586 TaskState *ts;
1b6b029e 3587 uint8_t *new_stack;
2ab83ea7 3588 CPUState *new_env;
2f7bb878 3589#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3590 unsigned int nptl_flags;
3591 sigset_t sigmask;
3592#endif
3b46e624 3593
436d124b
AZ		 3594 /* Emulate vfork() with fork() */
3595 if (flags & CLONE_VFORK)
3596 flags &= ~(CLONE_VFORK | CLONE_VM);
3597
1b6b029e 3598 if (flags & CLONE_VM) {
edf8e2af 3599 TaskState *parent_ts = (TaskState *)env->opaque;
2f7bb878 3600#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3601 new_thread_info info;
3602 pthread_attr_t attr;
bd0c5661 3603#endif
c3a92833 3604 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
624f7979 3605 init_task_state(ts);
5cd4393b 3606 new_stack = ts->stack;
1b6b029e 3607 /* we create a new CPU instance. */
c5be9f08 3608 new_env = cpu_copy(env);
b4558d74
BS		 3609#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
3610 cpu_reset(new_env);
3611#endif
6e68e076
PB		 3612 /* Init regs that differ from the parent. */
3613 cpu_clone_regs(new_env, newsp);
5cd4393b 3614 new_env->opaque = ts;
edf8e2af
MW		 3615 ts->bprm = parent_ts->bprm;
3616 ts->info = parent_ts->info;
2f7bb878 3617#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3618 nptl_flags = flags;
3619 flags &= ~CLONE_NPTL_FLAGS2;
3620
c2764719
PB		 3621 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3622 ts->child_tidptr = child_tidptr;
3623 }
3624
d865bab5
PB		 3625 if (nptl_flags & CLONE_SETTLS)
3626 cpu_set_tls (new_env, newtls);
3627
3628 /* Grab a mutex so that thread setup appears atomic. */
3629 pthread_mutex_lock(&clone_lock);
3630
3631 memset(&info, 0, sizeof(info));
3632 pthread_mutex_init(&info.mutex, NULL);
3633 pthread_mutex_lock(&info.mutex);
3634 pthread_cond_init(&info.cond, NULL);
3635 info.env = new_env;
3636 if (nptl_flags & CLONE_CHILD_SETTID)
3637 info.child_tidptr = child_tidptr;
3638 if (nptl_flags & CLONE_PARENT_SETTID)
3639 info.parent_tidptr = parent_tidptr;
3640
3641 ret = pthread_attr_init(&attr);
3642 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
3643 /* It is not safe to deliver signals until the child has finished
3644 initializing, so temporarily block all signals. */
3645 sigfillset(&sigmask);
3646 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3647
3648 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 3649 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 3650
3651 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3652 pthread_attr_destroy(&attr);
3653 if (ret == 0) {
3654 /* Wait for the child to initialize. */
3655 pthread_cond_wait(&info.cond, &info.mutex);
3656 ret = info.tid;
3657 if (flags & CLONE_PARENT_SETTID)
3658 put_user_u32(ret, parent_tidptr);
3659 } else {
3660 ret = -1;
3661 }
3662 pthread_mutex_unlock(&info.mutex);
3663 pthread_cond_destroy(&info.cond);
3664 pthread_mutex_destroy(&info.mutex);
3665 pthread_mutex_unlock(&clone_lock);
3666#else
3667 if (flags & CLONE_NPTL_FLAGS2)
3668 return -EINVAL;
3669 /* This is probably going to die very quickly, but do it anyway. */
27725c1d 3670#ifdef __ia64__
60e99246 3671 ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 3672#else
3673 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 3674#endif
27725c1d 3675#endif
1b6b029e
FB		 3676 } else {
3677 /* if no CLONE_VM, we consider it is a fork */
d865bab5 3678 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 3679 return -EINVAL;
d865bab5 3680 fork_start();
1b6b029e 3681 ret = fork();
d865bab5 3682 if (ret == 0) {
2b1319c8 3683 /* Child Process. */
d865bab5
PB		 3684 cpu_clone_regs(env, newsp);
3685 fork_end(1);
2f7bb878 3686#if defined(CONFIG_USE_NPTL)
2b1319c8
AJ		 3687 /* There is a race condition here. The parent process could
3688 theoretically read the TID in the child process before the child
3689 tid is set. This would require using either ptrace
3690 (not implemented) or having *_tidptr to point at a shared memory
3691 mapping. We can't repeat the spinlock hack used above because
3692 the child process gets its own copy of the lock. */
d865bab5
PB		 3693 if (flags & CLONE_CHILD_SETTID)
3694 put_user_u32(gettid(), child_tidptr);
3695 if (flags & CLONE_PARENT_SETTID)
3696 put_user_u32(gettid(), parent_tidptr);
3697 ts = (TaskState *)env->opaque;
3698 if (flags & CLONE_SETTLS)
3699 cpu_set_tls (env, newtls);
c2764719
PB		 3700 if (flags & CLONE_CHILD_CLEARTID)
3701 ts->child_tidptr = child_tidptr;
2b1319c8 3702#endif
d865bab5
PB		 3703 } else {
3704 fork_end(0);
3705 }
1b6b029e
FB		 3706 }
3707 return ret;
3708}
3709
5f106811
APR		 3710/* warning : doesn't handle linux specific flags... */
3711static int target_to_host_fcntl_cmd(int cmd)
3712{
3713 switch(cmd) {
3714 case TARGET_F_DUPFD:
3715 case TARGET_F_GETFD:
3716 case TARGET_F_SETFD:
3717 case TARGET_F_GETFL:
3718 case TARGET_F_SETFL:
3719 return cmd;
3720 case TARGET_F_GETLK:
3721 return F_GETLK;
3722 case TARGET_F_SETLK:
3723 return F_SETLK;
3724 case TARGET_F_SETLKW:
3725 return F_SETLKW;
3726 case TARGET_F_GETOWN:
3727 return F_GETOWN;
3728 case TARGET_F_SETOWN:
3729 return F_SETOWN;
3730 case TARGET_F_GETSIG:
3731 return F_GETSIG;
3732 case TARGET_F_SETSIG:
3733 return F_SETSIG;
3734#if TARGET_ABI_BITS == 32
3735 case TARGET_F_GETLK64:
3736 return F_GETLK64;
3737 case TARGET_F_SETLK64:
3738 return F_SETLK64;
3739 case TARGET_F_SETLKW64:
3740 return F_SETLKW64;
3741#endif
7e22e546
UH		 3742 case TARGET_F_SETLEASE:
3743 return F_SETLEASE;
3744 case TARGET_F_GETLEASE:
3745 return F_GETLEASE;
fbd5de9b 3746#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 3747 case TARGET_F_DUPFD_CLOEXEC:
3748 return F_DUPFD_CLOEXEC;
fbd5de9b 3749#endif
7e22e546
UH		 3750 case TARGET_F_NOTIFY:
3751 return F_NOTIFY;
5f106811
APR		 3752 default:
3753 return -TARGET_EINVAL;
3754 }
3755 return -TARGET_EINVAL;
3756}
3757
992f48a0 3758static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 3759{
3760 struct flock fl;
53a5960a 3761 struct target_flock *target_fl;
43f238d7
TS		 3762 struct flock64 fl64;
3763 struct target_flock64 *target_fl64;
992f48a0 3764 abi_long ret;
5f106811
APR		 3765 int host_cmd = target_to_host_fcntl_cmd(cmd);
3766
3767 if (host_cmd == -TARGET_EINVAL)
3768 return host_cmd;
53a5960a 3769
7775e9ec
FB		 3770 switch(cmd) {
3771 case TARGET_F_GETLK:
579a97f7
FB		 3772 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3773 return -TARGET_EFAULT;
5813427b
TS		 3774 fl.l_type = tswap16(target_fl->l_type);
3775 fl.l_whence = tswap16(target_fl->l_whence);
3776 fl.l_start = tswapl(target_fl->l_start);
3777 fl.l_len = tswapl(target_fl->l_len);
7e22e546 3778 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 3779 unlock_user_struct(target_fl, arg, 0);
5f106811 3780 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3781 if (ret == 0) {
579a97f7
FB		 3782 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3783 return -TARGET_EFAULT;
7775e9ec
FB		 3784 target_fl->l_type = tswap16(fl.l_type);
3785 target_fl->l_whence = tswap16(fl.l_whence);
3786 target_fl->l_start = tswapl(fl.l_start);
3787 target_fl->l_len = tswapl(fl.l_len);
7e22e546 3788 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 3789 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 3790 }
3791 break;
3b46e624 3792
7775e9ec
FB		 3793 case TARGET_F_SETLK:
3794 case TARGET_F_SETLKW:
579a97f7
FB		 3795 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3796 return -TARGET_EFAULT;
7775e9ec
FB		 3797 fl.l_type = tswap16(target_fl->l_type);
3798 fl.l_whence = tswap16(target_fl->l_whence);
3799 fl.l_start = tswapl(target_fl->l_start);
3800 fl.l_len = tswapl(target_fl->l_len);
7e22e546 3801 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 3802 unlock_user_struct(target_fl, arg, 0);
5f106811 3803 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3804 break;
3b46e624 3805
7775e9ec 3806 case TARGET_F_GETLK64:
579a97f7
FB		 3807 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3808 return -TARGET_EFAULT;
5813427b
TS		 3809 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3810 fl64.l_whence = tswap16(target_fl64->l_whence);
3811 fl64.l_start = tswapl(target_fl64->l_start);
3812 fl64.l_len = tswapl(target_fl64->l_len);
7e22e546 3813 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 3814 unlock_user_struct(target_fl64, arg, 0);
5f106811 3815 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 3816 if (ret == 0) {
579a97f7
FB		 3817 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3818 return -TARGET_EFAULT;
43f238d7
TS		 3819 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3820 target_fl64->l_whence = tswap16(fl64.l_whence);
3821 target_fl64->l_start = tswapl(fl64.l_start);
3822 target_fl64->l_len = tswapl(fl64.l_len);
7e22e546 3823 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 3824 unlock_user_struct(target_fl64, arg, 1);
3825 }
9ee1fa2c 3826 break;
7775e9ec
FB		 3827 case TARGET_F_SETLK64:
3828 case TARGET_F_SETLKW64:
579a97f7
FB		 3829 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3830 return -TARGET_EFAULT;
43f238d7
TS		 3831 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3832 fl64.l_whence = tswap16(target_fl64->l_whence);
3833 fl64.l_start = tswapl(target_fl64->l_start);
3834 fl64.l_len = tswapl(target_fl64->l_len);
7e22e546 3835 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 3836 unlock_user_struct(target_fl64, arg, 0);
5f106811 3837 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 3838 break;
3839
5f106811
APR		 3840 case TARGET_F_GETFL:
3841 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 3842 if (ret >= 0) {
3843 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3844 }
ffa65c3b
FB		 3845 break;
3846
5f106811
APR		 3847 case TARGET_F_SETFL:
3848 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
3849 break;
3850
3851 case TARGET_F_SETOWN:
3852 case TARGET_F_GETOWN:
3853 case TARGET_F_SETSIG:
3854 case TARGET_F_GETSIG:
7e22e546
UH		 3855 case TARGET_F_SETLEASE:
3856 case TARGET_F_GETLEASE:
5f106811 3857 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 3858 break;
3859
7775e9ec 3860 default:
9ee1fa2c 3861 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 3862 break;
3863 }
3864 return ret;
3865}
3866
67867308 3867#ifdef USE_UID16
7775e9ec 3868
67867308
FB		 3869static inline int high2lowuid(int uid)
3870{
3871 if (uid > 65535)
3872 return 65534;
3873 else
3874 return uid;
3875}
3876
3877static inline int high2lowgid(int gid)
3878{
3879 if (gid > 65535)
3880 return 65534;
3881 else
3882 return gid;
3883}
3884
3885static inline int low2highuid(int uid)
3886{
3887 if ((int16_t)uid == -1)
3888 return -1;
3889 else
3890 return uid;
3891}
3892
3893static inline int low2highgid(int gid)
3894{
3895 if ((int16_t)gid == -1)
3896 return -1;
3897 else
3898 return gid;
3899}
3900
3901#endif /* USE_UID16 */
1b6b029e 3902
31e31b8a
FB		 3903void syscall_init(void)
3904{
2ab83ea7
FB		 3905 IOCTLEntry *ie;
3906 const argtype *arg_type;
3907 int size;
b92c47c1 3908 int i;
2ab83ea7 3909
001faf32 3910#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 3911#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 3912#include "syscall_types.h"
3913#undef STRUCT
3914#undef STRUCT_SPECIAL
2ab83ea7
FB		 3915
3916 /* we patch the ioctl size if necessary. We rely on the fact that
3917 no ioctl has all the bits at '1' in the size field */
3918 ie = ioctl_entries;
3919 while (ie->target_cmd != 0) {
3920 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3921 TARGET_IOC_SIZEMASK) {
3922 arg_type = ie->arg_type;
3923 if (arg_type[0] != TYPE_PTR) {
5fafdf24 3924 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 3925 ie->target_cmd);
3926 exit(1);
3927 }
3928 arg_type++;
3929 size = thunk_type_size(arg_type, 0);
5fafdf24 3930 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 3931 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3932 (size << TARGET_IOC_SIZESHIFT);
3933 }
b92c47c1
TS		 3934
3935 /* Build target_to_host_errno_table[] table from
3936 * host_to_target_errno_table[]. */
3937 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3938 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3939
2ab83ea7 3940 /* automatic consistency check if same arch */
872ea0c0
AZ		 3941#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3942 (defined(__x86_64__) && defined(TARGET_X86_64))
3943 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3944 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3945 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 3946 }
3947#endif
3948 ie++;
3949 }
31e31b8a 3950}
c573ff67 3951
992f48a0 3952#if TARGET_ABI_BITS == 32
ce4defa0
PB		 3953static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3954{
af325d36 3955#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 3956 return ((uint64_t)word0 << 32) | word1;
3957#else
3958 return ((uint64_t)word1 << 32) | word0;
3959#endif
3960}
992f48a0 3961#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 3962static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3963{
3964 return word0;
3965}
992f48a0 3966#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 3967
3968#ifdef TARGET_NR_truncate64
992f48a0
BS		 3969static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3970 abi_long arg2,
3971 abi_long arg3,
3972 abi_long arg4)
ce4defa0
PB		 3973{
3974#ifdef TARGET_ARM
3975 if (((CPUARMState *)cpu_env)->eabi)
3976 {
3977 arg2 = arg3;
3978 arg3 = arg4;
3979 }
3980#endif
3981 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3982}
3983#endif
3984
3985#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 3986static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3987 abi_long arg2,
3988 abi_long arg3,
3989 abi_long arg4)
ce4defa0
PB		 3990{
3991#ifdef TARGET_ARM
3992 if (((CPUARMState *)cpu_env)->eabi)
3993 {
3994 arg2 = arg3;
3995 arg3 = arg4;
3996 }
3997#endif
3998 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3999}
4000#endif
4001
579a97f7
FB		 4002static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4003 abi_ulong target_addr)
53a5960a
PB		 4004{
4005 struct target_timespec *target_ts;
4006
579a97f7
FB		 4007 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4008 return -TARGET_EFAULT;
53a5960a
PB		 4009 host_ts->tv_sec = tswapl(target_ts->tv_sec);
4010 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
4011 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 4012 return 0;
53a5960a
PB		 4013}
4014
579a97f7
FB		 4015static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4016 struct timespec *host_ts)
53a5960a
PB		 4017{
4018 struct target_timespec *target_ts;
4019
579a97f7
FB		 4020 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4021 return -TARGET_EFAULT;
53a5960a
PB		 4022 target_ts->tv_sec = tswapl(host_ts->tv_sec);
4023 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
4024 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 4025 return 0;
53a5960a
PB		 4026}
4027
9d33b76b 4028#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 4029static inline abi_long host_to_target_stat64(void *cpu_env,
4030 abi_ulong target_addr,
4031 struct stat *host_st)
4032{
4033#ifdef TARGET_ARM
4034 if (((CPUARMState *)cpu_env)->eabi) {
4035 struct target_eabi_stat64 *target_st;
4036
4037 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4038 return -TARGET_EFAULT;
4039 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4040 __put_user(host_st->st_dev, &target_st->st_dev);
4041 __put_user(host_st->st_ino, &target_st->st_ino);
4042#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4043 __put_user(host_st->st_ino, &target_st->__st_ino);
4044#endif
4045 __put_user(host_st->st_mode, &target_st->st_mode);
4046 __put_user(host_st->st_nlink, &target_st->st_nlink);
4047 __put_user(host_st->st_uid, &target_st->st_uid);
4048 __put_user(host_st->st_gid, &target_st->st_gid);
4049 __put_user(host_st->st_rdev, &target_st->st_rdev);
4050 __put_user(host_st->st_size, &target_st->st_size);
4051 __put_user(host_st->st_blksize, &target_st->st_blksize);
4052 __put_user(host_st->st_blocks, &target_st->st_blocks);
4053 __put_user(host_st->st_atime, &target_st->target_st_atime);
4054 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4055 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4056 unlock_user_struct(target_st, target_addr, 1);
4057 } else
4058#endif
4059 {
ed18c5ce 4060#if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
9d33b76b
AJ		 4061 struct target_stat *target_st;
4062#else
6a24a778 4063 struct target_stat64 *target_st;
9d33b76b 4064#endif
6a24a778
AZ		 4065
4066 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4067 return -TARGET_EFAULT;
9d33b76b 4068 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4069 __put_user(host_st->st_dev, &target_st->st_dev);
4070 __put_user(host_st->st_ino, &target_st->st_ino);
4071#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4072 __put_user(host_st->st_ino, &target_st->__st_ino);
4073#endif
4074 __put_user(host_st->st_mode, &target_st->st_mode);
4075 __put_user(host_st->st_nlink, &target_st->st_nlink);
4076 __put_user(host_st->st_uid, &target_st->st_uid);
4077 __put_user(host_st->st_gid, &target_st->st_gid);
4078 __put_user(host_st->st_rdev, &target_st->st_rdev);
4079 /* XXX: better use of kernel struct */
4080 __put_user(host_st->st_size, &target_st->st_size);
4081 __put_user(host_st->st_blksize, &target_st->st_blksize);
4082 __put_user(host_st->st_blocks, &target_st->st_blocks);
4083 __put_user(host_st->st_atime, &target_st->target_st_atime);
4084 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4085 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4086 unlock_user_struct(target_st, target_addr, 1);
4087 }
4088
4089 return 0;
4090}
4091#endif
4092
2f7bb878 4093#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 4094/* ??? Using host futex calls even when target atomic operations
4095 are not really atomic probably breaks things. However implementing
4096 futexes locally would make futexes shared between multiple processes
4097 tricky. However they're probably useless because guest atomic
4098 operations won't work either. */
8fcd3692
BS		 4099static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4100 target_ulong uaddr2, int val3)
bd0c5661
PB		 4101{
4102 struct timespec ts, *pts;
a16aae0c 4103 int base_op;
bd0c5661
PB		 4104
4105 /* ??? We assume FUTEX_* constants are the same on both host
4106 and target. */
a29ccd63 4107#ifdef FUTEX_CMD_MASK
a16aae0c 4108 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4109#else
a16aae0c 4110 base_op = op;
a29ccd63 4111#endif
a16aae0c 4112 switch (base_op) {
bd0c5661
PB		 4113 case FUTEX_WAIT:
4114 if (timeout) {
4115 pts = &ts;
4116 target_to_host_timespec(pts, timeout);
4117 } else {
4118 pts = NULL;
4119 }
a29ccd63 4120 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
bd0c5661
PB		 4121 pts, NULL, 0));
4122 case FUTEX_WAKE:
a29ccd63 4123 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4124 case FUTEX_FD:
a29ccd63 4125 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4126 case FUTEX_REQUEUE:
bd0c5661 4127 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4128 case FUTEX_WAKE_OP:
4129 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4130 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4131 But the prototype takes a `struct timespec *'; insert casts
4132 to satisfy the compiler. We do not need to tswap TIMEOUT
4133 since it's not compared to guest memory. */
4134 pts = (struct timespec *)(uintptr_t) timeout;
4135 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4136 g2h(uaddr2),
4137 (base_op == FUTEX_CMP_REQUEUE
4138 ? tswap32(val3)
4139 : val3)));
bd0c5661
PB		 4140 default:
4141 return -TARGET_ENOSYS;
4142 }
4143}
4144#endif
4145
1d9d8b55
PB		 4146/* Map host to target signal numbers for the wait family of syscalls.
4147 Assume all other status bits are the same. */
4148static int host_to_target_waitstatus(int status)
4149{
4150 if (WIFSIGNALED(status)) {
4151 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4152 }
4153 if (WIFSTOPPED(status)) {
4154 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4155 | (status & 0xff);
4156 }
4157 return status;
4158}
4159
a745ec6d
PB		 4160int get_osversion(void)
4161{
4162 static int osversion;
4163 struct new_utsname buf;
4164 const char *s;
4165 int i, n, tmp;
4166 if (osversion)
4167 return osversion;
4168 if (qemu_uname_release && *qemu_uname_release) {
4169 s = qemu_uname_release;
4170 } else {
4171 if (sys_uname(&buf))
4172 return 0;
4173 s = buf.release;
4174 }
4175 tmp = 0;
4176 for (i = 0; i < 3; i++) {
4177 n = 0;
4178 while (*s >= '0' && *s <= '9') {
4179 n *= 10;
4180 n += *s - '0';
4181 s++;
4182 }
4183 tmp = (tmp << 8) + n;
4184 if (*s == '.')
4185 s++;
4186 }
4187 osversion = tmp;
4188 return osversion;
4189}
4190
0da46a6e
TS		 4191/* do_syscall() should always have a single exit point at the end so
4192 that actions, such as logging of syscall results, can be performed.
4193 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 4194abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4195 abi_long arg2, abi_long arg3, abi_long arg4,
4196 abi_long arg5, abi_long arg6)
31e31b8a 4197{
992f48a0 4198 abi_long ret;
31e31b8a 4199 struct stat st;
56c8f68f 4200 struct statfs stfs;
53a5960a 4201 void *p;
3b46e624 4202
72f03900 4203#ifdef DEBUG
c573ff67 4204 gemu_log("syscall %d", num);
72f03900 4205#endif
b92c47c1
TS		 4206 if(do_strace)
4207 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4208
31e31b8a
FB		 4209 switch(num) {
4210 case TARGET_NR_exit:
2f7bb878 4211#ifdef CONFIG_USE_NPTL
c2764719
PB		 4212 /* In old applications this may be used to implement _exit(2).
4213 However in threaded applictions it is used for thread termination,
4214 and _exit_group is used for application termination.
4215 Do thread termination if we have more then one thread. */
4216 /* FIXME: This probably breaks if a signal arrives. We should probably
4217 be disabling signals. */
4218 if (first_cpu->next_cpu) {
1e9fa730 4219 TaskState *ts;
c2764719
PB		 4220 CPUState **lastp;
4221 CPUState *p;
4222
4223 cpu_list_lock();
4224 lastp = &first_cpu;
4225 p = first_cpu;
4226 while (p && p != (CPUState *)cpu_env) {
4227 lastp = &p->next_cpu;
4228 p = p->next_cpu;
4229 }
4230 /* If we didn't find the CPU for this thread then something is
4231 horribly wrong. */
4232 if (!p)
4233 abort();
4234 /* Remove the CPU from the list. */
4235 *lastp = p->next_cpu;
4236 cpu_list_unlock();
1e9fa730 4237 ts = ((CPUState *)cpu_env)->opaque;
c2764719
PB		 4238 if (ts->child_tidptr) {
4239 put_user_u32(0, ts->child_tidptr);
4240 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4241 NULL, NULL, 0);
4242 }
4243 /* TODO: Free CPU state. */
4244 pthread_exit(NULL);
4245 }
4246#endif
9788c9ca 4247#ifdef TARGET_GPROF
7d13299d
FB		 4248 _mcleanup();
4249#endif
e9009676 4250 gdb_exit(cpu_env, arg1);
c2764719 4251 _exit(arg1);
31e31b8a
FB		 4252 ret = 0; /* avoid warning */
4253 break;
4254 case TARGET_NR_read:
38d840e6
AJ		 4255 if (arg3 == 0)
4256 ret = 0;
4257 else {
4258 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4259 goto efault;
4260 ret = get_errno(read(arg1, p, arg3));
4261 unlock_user(p, arg2, ret);
4262 }
31e31b8a
FB		 4263 break;
4264 case TARGET_NR_write:
579a97f7
FB		 4265 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4266 goto efault;
53a5960a
PB		 4267 ret = get_errno(write(arg1, p, arg3));
4268 unlock_user(p, arg2, 0);
31e31b8a
FB		 4269 break;
4270 case TARGET_NR_open:
2f619698
FB		 4271 if (!(p = lock_user_string(arg1)))
4272 goto efault;
53a5960a 4273 ret = get_errno(open(path(p),
ffa65c3b
FB		 4274 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4275 arg3));
53a5960a 4276 unlock_user(p, arg1, 0);
31e31b8a 4277 break;
82424832
TS		 4278#if defined(TARGET_NR_openat) && defined(__NR_openat)
4279 case TARGET_NR_openat:
579a97f7
FB		 4280 if (!(p = lock_user_string(arg2)))
4281 goto efault;
4282 ret = get_errno(sys_openat(arg1,
4283 path(p),
4284 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4285 arg4));
4286 unlock_user(p, arg2, 0);
82424832
TS		 4287 break;
4288#endif
31e31b8a
FB		 4289 case TARGET_NR_close:
4290 ret = get_errno(close(arg1));
4291 break;
4292 case TARGET_NR_brk:
53a5960a 4293 ret = do_brk(arg1);
31e31b8a
FB		 4294 break;
4295 case TARGET_NR_fork:
d865bab5 4296 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 4297 break;
e5febef5 4298#ifdef TARGET_NR_waitpid
31e31b8a
FB		 4299 case TARGET_NR_waitpid:
4300 {
53a5960a
PB		 4301 int status;
4302 ret = get_errno(waitpid(arg1, &status, arg3));
2f619698 4303 if (!is_error(ret) && arg2
1d9d8b55 4304 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 4305 goto efault;
31e31b8a
FB		 4306 }
4307 break;
e5febef5 4308#endif
f0cbb613
PB		 4309#ifdef TARGET_NR_waitid
4310 case TARGET_NR_waitid:
4311 {
4312 siginfo_t info;
4313 info.si_pid = 0;
4314 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4315 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 4316 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 4317 goto efault;
4318 host_to_target_siginfo(p, &info);
c227f099 4319 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 4320 }
4321 }
4322 break;
4323#endif
7a3148a9 4324#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 4325 case TARGET_NR_creat:
579a97f7
FB		 4326 if (!(p = lock_user_string(arg1)))
4327 goto efault;
53a5960a
PB		 4328 ret = get_errno(creat(p, arg2));
4329 unlock_user(p, arg1, 0);
31e31b8a 4330 break;
7a3148a9 4331#endif
31e31b8a 4332 case TARGET_NR_link:
53a5960a
PB		 4333 {
4334 void * p2;
4335 p = lock_user_string(arg1);
4336 p2 = lock_user_string(arg2);
579a97f7
FB		 4337 if (!p || !p2)
4338 ret = -TARGET_EFAULT;
4339 else
4340 ret = get_errno(link(p, p2));
53a5960a
PB		 4341 unlock_user(p2, arg2, 0);
4342 unlock_user(p, arg1, 0);
4343 }
31e31b8a 4344 break;
64f0ce4c
TS		 4345#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4346 case TARGET_NR_linkat:
64f0ce4c
TS		 4347 {
4348 void * p2 = NULL;
579a97f7
FB		 4349 if (!arg2 || !arg4)
4350 goto efault;
64f0ce4c
TS		 4351 p = lock_user_string(arg2);
4352 p2 = lock_user_string(arg4);
579a97f7 4353 if (!p || !p2)
0da46a6e 4354 ret = -TARGET_EFAULT;
64f0ce4c
TS		 4355 else
4356 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 4357 unlock_user(p, arg2, 0);
4358 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 4359 }
4360 break;
4361#endif
31e31b8a 4362 case TARGET_NR_unlink:
579a97f7
FB		 4363 if (!(p = lock_user_string(arg1)))
4364 goto efault;
53a5960a
PB		 4365 ret = get_errno(unlink(p));
4366 unlock_user(p, arg1, 0);
31e31b8a 4367 break;
8170f56b
TS		 4368#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4369 case TARGET_NR_unlinkat:
579a97f7
FB		 4370 if (!(p = lock_user_string(arg2)))
4371 goto efault;
4372 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4373 unlock_user(p, arg2, 0);
ed494d87 4374 break;
b7d35e65 4375#endif
31e31b8a 4376 case TARGET_NR_execve:
7854b056
FB		 4377 {
4378 char **argp, **envp;
f7341ff4 4379 int argc, envc;
992f48a0
BS		 4380 abi_ulong gp;
4381 abi_ulong guest_argp;
4382 abi_ulong guest_envp;
4383 abi_ulong addr;
7854b056
FB		 4384 char **q;
4385
f7341ff4 4386 argc = 0;
53a5960a 4387 guest_argp = arg2;
da94d263 4388 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4389 if (get_user_ual(addr, gp))
2f619698 4390 goto efault;
03aa1976 4391 if (!addr)
2f619698 4392 break;
7854b056 4393 argc++;
2f619698 4394 }
f7341ff4 4395 envc = 0;
53a5960a 4396 guest_envp = arg3;
da94d263 4397 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4398 if (get_user_ual(addr, gp))
2f619698 4399 goto efault;
03aa1976 4400 if (!addr)
2f619698 4401 break;
7854b056 4402 envc++;
2f619698 4403 }
7854b056 4404
f7341ff4
FB		 4405 argp = alloca((argc + 1) * sizeof(void *));
4406 envp = alloca((envc + 1) * sizeof(void *));
7854b056 4407
da94d263 4408 for (gp = guest_argp, q = argp; gp;
992f48a0 4409 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4410 if (get_user_ual(addr, gp))
4411 goto execve_efault;
53a5960a
PB		 4412 if (!addr)
4413 break;
2f619698
FB		 4414 if (!(*q = lock_user_string(addr)))
4415 goto execve_efault;
53a5960a 4416 }
f7341ff4
FB		 4417 *q = NULL;
4418
da94d263 4419 for (gp = guest_envp, q = envp; gp;
992f48a0 4420 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4421 if (get_user_ual(addr, gp))
4422 goto execve_efault;
53a5960a
PB		 4423 if (!addr)
4424 break;
2f619698
FB		 4425 if (!(*q = lock_user_string(addr)))
4426 goto execve_efault;
53a5960a 4427 }
f7341ff4 4428 *q = NULL;
7854b056 4429
2f619698
FB		 4430 if (!(p = lock_user_string(arg1)))
4431 goto execve_efault;
53a5960a
PB		 4432 ret = get_errno(execve(p, argp, envp));
4433 unlock_user(p, arg1, 0);
4434
2f619698
FB		 4435 goto execve_end;
4436
4437 execve_efault:
4438 ret = -TARGET_EFAULT;
4439
4440 execve_end:
53a5960a 4441 for (gp = guest_argp, q = argp; *q;
992f48a0 4442 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4443 if (get_user_ual(addr, gp)
4444 || !addr)
4445 break;
53a5960a
PB		 4446 unlock_user(*q, addr, 0);
4447 }
4448 for (gp = guest_envp, q = envp; *q;
992f48a0 4449 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4450 if (get_user_ual(addr, gp)
4451 || !addr)
4452 break;
53a5960a
PB		 4453 unlock_user(*q, addr, 0);
4454 }
7854b056 4455 }
31e31b8a
FB		 4456 break;
4457 case TARGET_NR_chdir:
579a97f7
FB		 4458 if (!(p = lock_user_string(arg1)))
4459 goto efault;
53a5960a
PB		 4460 ret = get_errno(chdir(p));
4461 unlock_user(p, arg1, 0);
31e31b8a 4462 break;
a315a145 4463#ifdef TARGET_NR_time
31e31b8a
FB		 4464 case TARGET_NR_time:
4465 {
53a5960a
PB		 4466 time_t host_time;
4467 ret = get_errno(time(&host_time));
2f619698
FB		 4468 if (!is_error(ret)
4469 && arg1
4470 && put_user_sal(host_time, arg1))
4471 goto efault;
31e31b8a
FB		 4472 }
4473 break;
a315a145 4474#endif
31e31b8a 4475 case TARGET_NR_mknod:
579a97f7
FB		 4476 if (!(p = lock_user_string(arg1)))
4477 goto efault;
53a5960a
PB		 4478 ret = get_errno(mknod(p, arg2, arg3));
4479 unlock_user(p, arg1, 0);
31e31b8a 4480 break;
75ac37a0
TS		 4481#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4482 case TARGET_NR_mknodat:
579a97f7
FB		 4483 if (!(p = lock_user_string(arg2)))
4484 goto efault;
4485 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4486 unlock_user(p, arg2, 0);
75ac37a0
TS		 4487 break;
4488#endif
31e31b8a 4489 case TARGET_NR_chmod:
579a97f7
FB		 4490 if (!(p = lock_user_string(arg1)))
4491 goto efault;
53a5960a
PB		 4492 ret = get_errno(chmod(p, arg2));
4493 unlock_user(p, arg1, 0);
31e31b8a 4494 break;
ebc05488 4495#ifdef TARGET_NR_break
31e31b8a
FB		 4496 case TARGET_NR_break:
4497 goto unimplemented;
ebc05488
FB		 4498#endif
4499#ifdef TARGET_NR_oldstat
31e31b8a
FB		 4500 case TARGET_NR_oldstat:
4501 goto unimplemented;
ebc05488 4502#endif
31e31b8a
FB		 4503 case TARGET_NR_lseek:
4504 ret = get_errno(lseek(arg1, arg2, arg3));
4505 break;
9231733a
RH		 4506#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
4507 /* Alpha specific */
7a3148a9 4508 case TARGET_NR_getxpid:
9231733a
RH		 4509 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
4510 ret = get_errno(getpid());
4511 break;
7a3148a9 4512#endif
9231733a
RH		 4513#ifdef TARGET_NR_getpid
4514 case TARGET_NR_getpid:
31e31b8a
FB		 4515 ret = get_errno(getpid());
4516 break;
9231733a 4517#endif
31e31b8a 4518 case TARGET_NR_mount:
80265918
TS		 4519 {
4520 /* need to look at the data field */
4521 void *p2, *p3;
4522 p = lock_user_string(arg1);
4523 p2 = lock_user_string(arg2);
4524 p3 = lock_user_string(arg3);
579a97f7
FB		 4525 if (!p || !p2 || !p3)
4526 ret = -TARGET_EFAULT;
dab46405 4527 else {
579a97f7
FB		 4528 /* FIXME - arg5 should be locked, but it isn't clear how to
4529 * do that since it's not guaranteed to be a NULL-terminated
4530 * string.
4531 */
dab46405
JSM		 4532 if ( ! arg5 )
4533 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
4534 else
4535 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4536 }
579a97f7
FB		 4537 unlock_user(p, arg1, 0);
4538 unlock_user(p2, arg2, 0);
4539 unlock_user(p3, arg3, 0);
80265918
TS		 4540 break;
4541 }
e5febef5 4542#ifdef TARGET_NR_umount
31e31b8a 4543 case TARGET_NR_umount:
579a97f7
FB		 4544 if (!(p = lock_user_string(arg1)))
4545 goto efault;
53a5960a
PB		 4546 ret = get_errno(umount(p));
4547 unlock_user(p, arg1, 0);
31e31b8a 4548 break;
e5febef5 4549#endif
7a3148a9 4550#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 4551 case TARGET_NR_stime:
4552 {
53a5960a 4553 time_t host_time;
2f619698
FB		 4554 if (get_user_sal(host_time, arg1))
4555 goto efault;
53a5960a 4556 ret = get_errno(stime(&host_time));
31e31b8a
FB		 4557 }
4558 break;
7a3148a9 4559#endif
31e31b8a
FB		 4560 case TARGET_NR_ptrace:
4561 goto unimplemented;
7a3148a9 4562#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 4563 case TARGET_NR_alarm:
4564 ret = alarm(arg1);
4565 break;
7a3148a9 4566#endif
ebc05488 4567#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 4568 case TARGET_NR_oldfstat:
4569 goto unimplemented;
ebc05488 4570#endif
7a3148a9 4571#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 4572 case TARGET_NR_pause:
4573 ret = get_errno(pause());
4574 break;
7a3148a9 4575#endif
e5febef5 4576#ifdef TARGET_NR_utime
31e31b8a 4577 case TARGET_NR_utime:
ebc05488 4578 {
53a5960a
PB		 4579 struct utimbuf tbuf, *host_tbuf;
4580 struct target_utimbuf *target_tbuf;
4581 if (arg2) {
579a97f7
FB		 4582 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4583 goto efault;
53a5960a
PB		 4584 tbuf.actime = tswapl(target_tbuf->actime);
4585 tbuf.modtime = tswapl(target_tbuf->modtime);
4586 unlock_user_struct(target_tbuf, arg2, 0);
4587 host_tbuf = &tbuf;
f72e8ff4 4588 } else {
53a5960a 4589 host_tbuf = NULL;
f72e8ff4 4590 }
579a97f7
FB		 4591 if (!(p = lock_user_string(arg1)))
4592 goto efault;
53a5960a
PB		 4593 ret = get_errno(utime(p, host_tbuf));
4594 unlock_user(p, arg1, 0);
ebc05488
FB		 4595 }
4596 break;
e5febef5 4597#endif
978a66ff
FB		 4598 case TARGET_NR_utimes:
4599 {
978a66ff 4600 struct timeval *tvp, tv[2];
53a5960a 4601 if (arg2) {
788f5ec4
TS		 4602 if (copy_from_user_timeval(&tv[0], arg2)
4603 || copy_from_user_timeval(&tv[1],
4604 arg2 + sizeof(struct target_timeval)))
4605 goto efault;
978a66ff
FB		 4606 tvp = tv;
4607 } else {
4608 tvp = NULL;
4609 }
579a97f7
FB		 4610 if (!(p = lock_user_string(arg1)))
4611 goto efault;
53a5960a
PB		 4612 ret = get_errno(utimes(p, tvp));
4613 unlock_user(p, arg1, 0);
978a66ff
FB		 4614 }
4615 break;
ac8a6556
AZ		 4616#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4617 case TARGET_NR_futimesat:
4618 {
4619 struct timeval *tvp, tv[2];
4620 if (arg3) {
4621 if (copy_from_user_timeval(&tv[0], arg3)
4622 || copy_from_user_timeval(&tv[1],
4623 arg3 + sizeof(struct target_timeval)))
4624 goto efault;
4625 tvp = tv;
4626 } else {
4627 tvp = NULL;
4628 }
4629 if (!(p = lock_user_string(arg2)))
4630 goto efault;
4631 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4632 unlock_user(p, arg2, 0);
4633 }
4634 break;
4635#endif
ebc05488 4636#ifdef TARGET_NR_stty
31e31b8a
FB		 4637 case TARGET_NR_stty:
4638 goto unimplemented;
ebc05488
FB		 4639#endif
4640#ifdef TARGET_NR_gtty
31e31b8a
FB		 4641 case TARGET_NR_gtty:
4642 goto unimplemented;
ebc05488 4643#endif
31e31b8a 4644 case TARGET_NR_access:
579a97f7
FB		 4645 if (!(p = lock_user_string(arg1)))
4646 goto efault;
719f908e 4647 ret = get_errno(access(path(p), arg2));
53a5960a 4648 unlock_user(p, arg1, 0);
31e31b8a 4649 break;
92a34c10
TS		 4650#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4651 case TARGET_NR_faccessat:
579a97f7
FB		 4652 if (!(p = lock_user_string(arg2)))
4653 goto efault;
465c9f06 4654 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 4655 unlock_user(p, arg2, 0);
92a34c10
TS		 4656 break;
4657#endif
7a3148a9 4658#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 4659 case TARGET_NR_nice:
4660 ret = get_errno(nice(arg1));
4661 break;
7a3148a9 4662#endif
ebc05488 4663#ifdef TARGET_NR_ftime
31e31b8a
FB		 4664 case TARGET_NR_ftime:
4665 goto unimplemented;
ebc05488 4666#endif
31e31b8a 4667 case TARGET_NR_sync:
04369ff2
FB		 4668 sync();
4669 ret = 0;
31e31b8a
FB		 4670 break;
4671 case TARGET_NR_kill:
4cb05961 4672 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 4673 break;
4674 case TARGET_NR_rename:
53a5960a
PB		 4675 {
4676 void *p2;
4677 p = lock_user_string(arg1);
4678 p2 = lock_user_string(arg2);
579a97f7
FB		 4679 if (!p || !p2)
4680 ret = -TARGET_EFAULT;
4681 else
4682 ret = get_errno(rename(p, p2));
53a5960a
PB		 4683 unlock_user(p2, arg2, 0);
4684 unlock_user(p, arg1, 0);
4685 }
31e31b8a 4686 break;
722183f6
TS		 4687#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4688 case TARGET_NR_renameat:
722183f6 4689 {
579a97f7 4690 void *p2;
722183f6
TS		 4691 p = lock_user_string(arg2);
4692 p2 = lock_user_string(arg4);
579a97f7 4693 if (!p || !p2)
0da46a6e 4694 ret = -TARGET_EFAULT;
722183f6
TS		 4695 else
4696 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 4697 unlock_user(p2, arg4, 0);
4698 unlock_user(p, arg2, 0);
722183f6
TS		 4699 }
4700 break;
4701#endif
31e31b8a 4702 case TARGET_NR_mkdir:
579a97f7
FB		 4703 if (!(p = lock_user_string(arg1)))
4704 goto efault;
53a5960a
PB		 4705 ret = get_errno(mkdir(p, arg2));
4706 unlock_user(p, arg1, 0);
31e31b8a 4707 break;
4472ad0d
TS		 4708#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4709 case TARGET_NR_mkdirat:
579a97f7
FB		 4710 if (!(p = lock_user_string(arg2)))
4711 goto efault;
4712 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4713 unlock_user(p, arg2, 0);
4472ad0d
TS		 4714 break;
4715#endif
31e31b8a 4716 case TARGET_NR_rmdir:
579a97f7
FB		 4717 if (!(p = lock_user_string(arg1)))
4718 goto efault;
53a5960a
PB		 4719 ret = get_errno(rmdir(p));
4720 unlock_user(p, arg1, 0);
31e31b8a
FB		 4721 break;
4722 case TARGET_NR_dup:
4723 ret = get_errno(dup(arg1));
4724 break;
4725 case TARGET_NR_pipe:
fb41a66e 4726 ret = do_pipe(cpu_env, arg1, 0, 0);
099d6b0f
RV		 4727 break;
4728#ifdef TARGET_NR_pipe2
4729 case TARGET_NR_pipe2:
fb41a66e 4730 ret = do_pipe(cpu_env, arg1, arg2, 1);
31e31b8a 4731 break;
099d6b0f 4732#endif
31e31b8a 4733 case TARGET_NR_times:
32f36bce 4734 {
53a5960a 4735 struct target_tms *tmsp;
32f36bce
FB		 4736 struct tms tms;
4737 ret = get_errno(times(&tms));
53a5960a 4738 if (arg1) {
579a97f7
FB		 4739 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4740 if (!tmsp)
4741 goto efault;
c596ed17
FB		 4742 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4743 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4744 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4745 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 4746 }
c596ed17
FB		 4747 if (!is_error(ret))
4748 ret = host_to_target_clock_t(ret);
32f36bce
FB		 4749 }
4750 break;
ebc05488 4751#ifdef TARGET_NR_prof
31e31b8a
FB		 4752 case TARGET_NR_prof:
4753 goto unimplemented;
ebc05488 4754#endif
e5febef5 4755#ifdef TARGET_NR_signal
31e31b8a
FB		 4756 case TARGET_NR_signal:
4757 goto unimplemented;
e5febef5 4758#endif
31e31b8a 4759 case TARGET_NR_acct:
38d840e6
AJ		 4760 if (arg1 == 0) {
4761 ret = get_errno(acct(NULL));
4762 } else {
4763 if (!(p = lock_user_string(arg1)))
4764 goto efault;
4765 ret = get_errno(acct(path(p)));
4766 unlock_user(p, arg1, 0);
4767 }
24836689 4768 break;
7a3148a9 4769#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 4770 case TARGET_NR_umount2:
579a97f7
FB		 4771 if (!(p = lock_user_string(arg1)))
4772 goto efault;
53a5960a
PB		 4773 ret = get_errno(umount2(p, arg2));
4774 unlock_user(p, arg1, 0);
31e31b8a 4775 break;
7a3148a9 4776#endif
ebc05488 4777#ifdef TARGET_NR_lock
31e31b8a
FB		 4778 case TARGET_NR_lock:
4779 goto unimplemented;
ebc05488 4780#endif
31e31b8a
FB		 4781 case TARGET_NR_ioctl:
4782 ret = do_ioctl(arg1, arg2, arg3);
4783 break;
4784 case TARGET_NR_fcntl:
9ee1fa2c 4785 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 4786 break;
ebc05488 4787#ifdef TARGET_NR_mpx
31e31b8a
FB		 4788 case TARGET_NR_mpx:
4789 goto unimplemented;
ebc05488 4790#endif
31e31b8a
FB		 4791 case TARGET_NR_setpgid:
4792 ret = get_errno(setpgid(arg1, arg2));
4793 break;
ebc05488 4794#ifdef TARGET_NR_ulimit
31e31b8a
FB		 4795 case TARGET_NR_ulimit:
4796 goto unimplemented;
ebc05488
FB		 4797#endif
4798#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 4799 case TARGET_NR_oldolduname:
4800 goto unimplemented;
ebc05488 4801#endif
31e31b8a
FB		 4802 case TARGET_NR_umask:
4803 ret = get_errno(umask(arg1));
4804 break;
4805 case TARGET_NR_chroot:
579a97f7
FB		 4806 if (!(p = lock_user_string(arg1)))
4807 goto efault;
53a5960a
PB		 4808 ret = get_errno(chroot(p));
4809 unlock_user(p, arg1, 0);
31e31b8a
FB		 4810 break;
4811 case TARGET_NR_ustat:
4812 goto unimplemented;
4813 case TARGET_NR_dup2:
4814 ret = get_errno(dup2(arg1, arg2));
4815 break;
d0927938
UH		 4816#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
4817 case TARGET_NR_dup3:
4818 ret = get_errno(dup3(arg1, arg2, arg3));
4819 break;
4820#endif
7a3148a9 4821#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 4822 case TARGET_NR_getppid:
4823 ret = get_errno(getppid());
4824 break;
7a3148a9 4825#endif
31e31b8a
FB		 4826 case TARGET_NR_getpgrp:
4827 ret = get_errno(getpgrp());
4828 break;
4829 case TARGET_NR_setsid:
4830 ret = get_errno(setsid());
4831 break;
e5febef5 4832#ifdef TARGET_NR_sigaction
31e31b8a 4833 case TARGET_NR_sigaction:
31e31b8a 4834 {
6049f4f8
RH		 4835#if defined(TARGET_ALPHA)
4836 struct target_sigaction act, oact, *pact = 0;
53a5960a 4837 struct target_old_sigaction *old_act;
53a5960a 4838 if (arg2) {
579a97f7
FB		 4839 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4840 goto efault;
66fb9763
FB		 4841 act._sa_handler = old_act->_sa_handler;
4842 target_siginitset(&act.sa_mask, old_act->sa_mask);
4843 act.sa_flags = old_act->sa_flags;
6049f4f8 4844 act.sa_restorer = 0;
53a5960a 4845 unlock_user_struct(old_act, arg2, 0);
66fb9763 4846 pact = &act;
66fb9763
FB		 4847 }
4848 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 4849 if (!is_error(ret) && arg3) {
579a97f7
FB		 4850 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4851 goto efault;
53a5960a
PB		 4852 old_act->_sa_handler = oact._sa_handler;
4853 old_act->sa_mask = oact.sa_mask.sig[0];
4854 old_act->sa_flags = oact.sa_flags;
53a5960a 4855 unlock_user_struct(old_act, arg3, 1);
66fb9763 4856 }
6049f4f8 4857#elif defined(TARGET_MIPS)
106ec879
FB		 4858 struct target_sigaction act, oact, *pact, *old_act;
4859
4860 if (arg2) {
579a97f7
FB		 4861 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4862 goto efault;
106ec879
FB		 4863 act._sa_handler = old_act->_sa_handler;
4864 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4865 act.sa_flags = old_act->sa_flags;
4866 unlock_user_struct(old_act, arg2, 0);
4867 pact = &act;
4868 } else {
4869 pact = NULL;
4870 }
4871
4872 ret = get_errno(do_sigaction(arg1, pact, &oact));
4873
4874 if (!is_error(ret) && arg3) {
579a97f7
FB		 4875 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4876 goto efault;
106ec879
FB		 4877 old_act->_sa_handler = oact._sa_handler;
4878 old_act->sa_flags = oact.sa_flags;
4879 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4880 old_act->sa_mask.sig[1] = 0;
4881 old_act->sa_mask.sig[2] = 0;
4882 old_act->sa_mask.sig[3] = 0;
4883 unlock_user_struct(old_act, arg3, 1);
4884 }
6049f4f8
RH		 4885#else
4886 struct target_old_sigaction *old_act;
4887 struct target_sigaction act, oact, *pact;
4888 if (arg2) {
4889 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4890 goto efault;
4891 act._sa_handler = old_act->_sa_handler;
4892 target_siginitset(&act.sa_mask, old_act->sa_mask);
4893 act.sa_flags = old_act->sa_flags;
4894 act.sa_restorer = old_act->sa_restorer;
4895 unlock_user_struct(old_act, arg2, 0);
4896 pact = &act;
4897 } else {
4898 pact = NULL;
4899 }
4900 ret = get_errno(do_sigaction(arg1, pact, &oact));
4901 if (!is_error(ret) && arg3) {
4902 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4903 goto efault;
4904 old_act->_sa_handler = oact._sa_handler;
4905 old_act->sa_mask = oact.sa_mask.sig[0];
4906 old_act->sa_flags = oact.sa_flags;
4907 old_act->sa_restorer = oact.sa_restorer;
4908 unlock_user_struct(old_act, arg3, 1);
4909 }
388bb21a 4910#endif
31e31b8a
FB		 4911 }
4912 break;
e5febef5 4913#endif
66fb9763 4914 case TARGET_NR_rt_sigaction:
53a5960a 4915 {
6049f4f8
RH		 4916#if defined(TARGET_ALPHA)
4917 struct target_sigaction act, oact, *pact = 0;
4918 struct target_rt_sigaction *rt_act;
4919 /* ??? arg4 == sizeof(sigset_t). */
4920 if (arg2) {
4921 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
4922 goto efault;
4923 act._sa_handler = rt_act->_sa_handler;
4924 act.sa_mask = rt_act->sa_mask;
4925 act.sa_flags = rt_act->sa_flags;
4926 act.sa_restorer = arg5;
4927 unlock_user_struct(rt_act, arg2, 0);
4928 pact = &act;
4929 }
4930 ret = get_errno(do_sigaction(arg1, pact, &oact));
4931 if (!is_error(ret) && arg3) {
4932 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
4933 goto efault;
4934 rt_act->_sa_handler = oact._sa_handler;
4935 rt_act->sa_mask = oact.sa_mask;
4936 rt_act->sa_flags = oact.sa_flags;
4937 unlock_user_struct(rt_act, arg3, 1);
4938 }
4939#else
53a5960a
PB		 4940 struct target_sigaction *act;
4941 struct target_sigaction *oact;
4942
579a97f7
FB		 4943 if (arg2) {
4944 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4945 goto efault;
4946 } else
53a5960a 4947 act = NULL;
579a97f7
FB		 4948 if (arg3) {
4949 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4950 ret = -TARGET_EFAULT;
4951 goto rt_sigaction_fail;
4952 }
4953 } else
53a5960a
PB		 4954 oact = NULL;
4955 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 4956 rt_sigaction_fail:
4957 if (act)
53a5960a 4958 unlock_user_struct(act, arg2, 0);
579a97f7 4959 if (oact)
53a5960a 4960 unlock_user_struct(oact, arg3, 1);
6049f4f8 4961#endif
53a5960a 4962 }
66fb9763 4963 break;
7a3148a9 4964#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 4965 case TARGET_NR_sgetmask:
66fb9763
FB		 4966 {
4967 sigset_t cur_set;
992f48a0 4968 abi_ulong target_set;
66fb9763
FB		 4969 sigprocmask(0, NULL, &cur_set);
4970 host_to_target_old_sigset(&target_set, &cur_set);
4971 ret = target_set;
4972 }
4973 break;
7a3148a9
JM		 4974#endif
4975#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 4976 case TARGET_NR_ssetmask:
66fb9763
FB		 4977 {
4978 sigset_t set, oset, cur_set;
992f48a0 4979 abi_ulong target_set = arg1;
66fb9763
FB		 4980 sigprocmask(0, NULL, &cur_set);
4981 target_to_host_old_sigset(&set, &target_set);
4982 sigorset(&set, &set, &cur_set);
4983 sigprocmask(SIG_SETMASK, &set, &oset);
4984 host_to_target_old_sigset(&target_set, &oset);
4985 ret = target_set;
4986 }
4987 break;
7a3148a9 4988#endif
e5febef5 4989#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 4990 case TARGET_NR_sigprocmask:
4991 {
a5b3b13b
RH		 4992#if defined(TARGET_ALPHA)
4993 sigset_t set, oldset;
4994 abi_ulong mask;
4995 int how;
4996
4997 switch (arg1) {
4998 case TARGET_SIG_BLOCK:
4999 how = SIG_BLOCK;
5000 break;
5001 case TARGET_SIG_UNBLOCK:
5002 how = SIG_UNBLOCK;
5003 break;
5004 case TARGET_SIG_SETMASK:
5005 how = SIG_SETMASK;
5006 break;
5007 default:
5008 ret = -TARGET_EINVAL;
5009 goto fail;
5010 }
5011 mask = arg2;
5012 target_to_host_old_sigset(&set, &mask);
5013
5014 ret = get_errno(sigprocmask(how, &set, &oldset));
5015
5016 if (!is_error(ret)) {
5017 host_to_target_old_sigset(&mask, &oldset);
5018 ret = mask;
5019 ((CPUAlphaState *)cpu_env)->[IR_V0] = 0; /* force no error */
5020 }
5021#else
66fb9763 5022 sigset_t set, oldset, *set_ptr;
a5b3b13b 5023 int how;
3b46e624 5024
53a5960a 5025 if (arg2) {
a5b3b13b 5026 switch (arg1) {
66fb9763
FB		 5027 case TARGET_SIG_BLOCK:
5028 how = SIG_BLOCK;
5029 break;
5030 case TARGET_SIG_UNBLOCK:
5031 how = SIG_UNBLOCK;
5032 break;
5033 case TARGET_SIG_SETMASK:
5034 how = SIG_SETMASK;
5035 break;
5036 default:
0da46a6e 5037 ret = -TARGET_EINVAL;
66fb9763
FB		 5038 goto fail;
5039 }
c227f099 5040 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5041 goto efault;
53a5960a
PB		 5042 target_to_host_old_sigset(&set, p);
5043 unlock_user(p, arg2, 0);
66fb9763
FB		 5044 set_ptr = &set;
5045 } else {
5046 how = 0;
5047 set_ptr = NULL;
5048 }
a5b3b13b 5049 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 5050 if (!is_error(ret) && arg3) {
c227f099 5051 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 5052 goto efault;
53a5960a 5053 host_to_target_old_sigset(p, &oldset);
c227f099 5054 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763 5055 }
a5b3b13b 5056#endif
66fb9763
FB		 5057 }
5058 break;
e5febef5 5059#endif
66fb9763
FB		 5060 case TARGET_NR_rt_sigprocmask:
5061 {
5062 int how = arg1;
5063 sigset_t set, oldset, *set_ptr;
3b46e624 5064
53a5960a 5065 if (arg2) {
66fb9763
FB		 5066 switch(how) {
5067 case TARGET_SIG_BLOCK:
5068 how = SIG_BLOCK;
5069 break;
5070 case TARGET_SIG_UNBLOCK:
5071 how = SIG_UNBLOCK;
5072 break;
5073 case TARGET_SIG_SETMASK:
5074 how = SIG_SETMASK;
5075 break;
5076 default:
0da46a6e 5077 ret = -TARGET_EINVAL;
66fb9763
FB		 5078 goto fail;
5079 }
c227f099 5080 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5081 goto efault;
53a5960a
PB		 5082 target_to_host_sigset(&set, p);
5083 unlock_user(p, arg2, 0);
66fb9763
FB		 5084 set_ptr = &set;
5085 } else {
5086 how = 0;
5087 set_ptr = NULL;
5088 }
5089 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 5090 if (!is_error(ret) && arg3) {
c227f099 5091 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 5092 goto efault;
53a5960a 5093 host_to_target_sigset(p, &oldset);
c227f099 5094 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 5095 }
5096 }
5097 break;
e5febef5 5098#ifdef TARGET_NR_sigpending
66fb9763
FB		 5099 case TARGET_NR_sigpending:
5100 {
5101 sigset_t set;
5102 ret = get_errno(sigpending(&set));
5103 if (!is_error(ret)) {
c227f099 5104 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 5105 goto efault;
53a5960a 5106 host_to_target_old_sigset(p, &set);
c227f099 5107 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 5108 }
5109 }
5110 break;
e5febef5 5111#endif
66fb9763
FB		 5112 case TARGET_NR_rt_sigpending:
5113 {
5114 sigset_t set;
5115 ret = get_errno(sigpending(&set));
5116 if (!is_error(ret)) {
c227f099 5117 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 5118 goto efault;
53a5960a 5119 host_to_target_sigset(p, &set);
c227f099 5120 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 5121 }
5122 }
5123 break;
e5febef5 5124#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 5125 case TARGET_NR_sigsuspend:
5126 {
5127 sigset_t set;
f43ce12b
RH		 5128#if defined(TARGET_ALPHA)
5129 abi_ulong mask = arg1;
5130 target_to_host_old_sigset(&set, &mask);
5131#else
c227f099 5132 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5133 goto efault;
53a5960a
PB		 5134 target_to_host_old_sigset(&set, p);
5135 unlock_user(p, arg1, 0);
f43ce12b 5136#endif
66fb9763
FB		 5137 ret = get_errno(sigsuspend(&set));
5138 }
5139 break;
e5febef5 5140#endif
66fb9763
FB		 5141 case TARGET_NR_rt_sigsuspend:
5142 {
5143 sigset_t set;
c227f099 5144 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5145 goto efault;
53a5960a
PB		 5146 target_to_host_sigset(&set, p);
5147 unlock_user(p, arg1, 0);
66fb9763
FB		 5148 ret = get_errno(sigsuspend(&set));
5149 }
5150 break;
5151 case TARGET_NR_rt_sigtimedwait:
5152 {
66fb9763
FB		 5153 sigset_t set;
5154 struct timespec uts, *puts;
5155 siginfo_t uinfo;
3b46e624 5156
c227f099 5157 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5158 goto efault;
53a5960a
PB		 5159 target_to_host_sigset(&set, p);
5160 unlock_user(p, arg1, 0);
5161 if (arg3) {
66fb9763 5162 puts = &uts;
53a5960a 5163 target_to_host_timespec(puts, arg3);
66fb9763
FB		 5164 } else {
5165 puts = NULL;
5166 }
5167 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 5168 if (!is_error(ret) && arg2) {
c227f099 5169 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 5170 goto efault;
53a5960a 5171 host_to_target_siginfo(p, &uinfo);
c227f099 5172 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 5173 }
5174 }
5175 break;
5176 case TARGET_NR_rt_sigqueueinfo:
5177 {
5178 siginfo_t uinfo;
c227f099 5179 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 5180 goto efault;
53a5960a
PB		 5181 target_to_host_siginfo(&uinfo, p);
5182 unlock_user(p, arg1, 0);
66fb9763
FB		 5183 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5184 }
5185 break;
e5febef5 5186#ifdef TARGET_NR_sigreturn
66fb9763
FB		 5187 case TARGET_NR_sigreturn:
5188 /* NOTE: ret is eax, so not transcoding must be done */
5189 ret = do_sigreturn(cpu_env);
5190 break;
e5febef5 5191#endif
66fb9763
FB		 5192 case TARGET_NR_rt_sigreturn:
5193 /* NOTE: ret is eax, so not transcoding must be done */
5194 ret = do_rt_sigreturn(cpu_env);
5195 break;
31e31b8a 5196 case TARGET_NR_sethostname:
579a97f7
FB		 5197 if (!(p = lock_user_string(arg1)))
5198 goto efault;
53a5960a
PB		 5199 ret = get_errno(sethostname(p, arg2));
5200 unlock_user(p, arg1, 0);
31e31b8a
FB		 5201 break;
5202 case TARGET_NR_setrlimit:
9de5e440 5203 {
9de5e440 5204 int resource = arg1;
53a5960a 5205 struct target_rlimit *target_rlim;
9de5e440 5206 struct rlimit rlim;
579a97f7
FB		 5207 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5208 goto efault;
81bbe906 5209 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
5210 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
53a5960a 5211 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 5212 ret = get_errno(setrlimit(resource, &rlim));
5213 }
5214 break;
31e31b8a 5215 case TARGET_NR_getrlimit:
9de5e440 5216 {
9de5e440 5217 int resource = arg1;
53a5960a 5218 struct target_rlimit *target_rlim;
9de5e440 5219 struct rlimit rlim;
3b46e624 5220
9de5e440
FB		 5221 ret = get_errno(getrlimit(resource, &rlim));
5222 if (!is_error(ret)) {
579a97f7
FB		 5223 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5224 goto efault;
81bbe906 5225 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
5226 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 5227 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 5228 }
5229 }
5230 break;
31e31b8a 5231 case TARGET_NR_getrusage:
b409186b
FB		 5232 {
5233 struct rusage rusage;
b409186b
FB		 5234 ret = get_errno(getrusage(arg1, &rusage));
5235 if (!is_error(ret)) {
53a5960a 5236 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 5237 }
5238 }
5239 break;
31e31b8a
FB		 5240 case TARGET_NR_gettimeofday:
5241 {
31e31b8a
FB		 5242 struct timeval tv;
5243 ret = get_errno(gettimeofday(&tv, NULL));
5244 if (!is_error(ret)) {
788f5ec4
TS		 5245 if (copy_to_user_timeval(arg1, &tv))
5246 goto efault;
31e31b8a
FB		 5247 }
5248 }
5249 break;
5250 case TARGET_NR_settimeofday:
5251 {
31e31b8a 5252 struct timeval tv;
788f5ec4
TS		 5253 if (copy_from_user_timeval(&tv, arg1))
5254 goto efault;
31e31b8a
FB		 5255 ret = get_errno(settimeofday(&tv, NULL));
5256 }
5257 break;
048f6b4d 5258#ifdef TARGET_NR_select
31e31b8a 5259 case TARGET_NR_select:
f2674e31 5260 {
53a5960a 5261 struct target_sel_arg_struct *sel;
992f48a0 5262 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 5263 long nsel;
5264
579a97f7
FB		 5265 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5266 goto efault;
53a5960a
PB		 5267 nsel = tswapl(sel->n);
5268 inp = tswapl(sel->inp);
5269 outp = tswapl(sel->outp);
5270 exp = tswapl(sel->exp);
5271 tvp = tswapl(sel->tvp);
5272 unlock_user_struct(sel, arg1, 0);
5273 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 5274 }
5275 break;
9e42382f
RV		 5276#endif
5277#ifdef TARGET_NR_pselect6
5278 case TARGET_NR_pselect6:
5279 goto unimplemented_nowarn;
048f6b4d 5280#endif
31e31b8a 5281 case TARGET_NR_symlink:
53a5960a
PB		 5282 {
5283 void *p2;
5284 p = lock_user_string(arg1);
5285 p2 = lock_user_string(arg2);
579a97f7
FB		 5286 if (!p || !p2)
5287 ret = -TARGET_EFAULT;
5288 else
5289 ret = get_errno(symlink(p, p2));
53a5960a
PB		 5290 unlock_user(p2, arg2, 0);
5291 unlock_user(p, arg1, 0);
5292 }
31e31b8a 5293 break;
f0b6243d
TS		 5294#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5295 case TARGET_NR_symlinkat:
f0b6243d 5296 {
579a97f7 5297 void *p2;
f0b6243d
TS		 5298 p = lock_user_string(arg1);
5299 p2 = lock_user_string(arg3);
579a97f7 5300 if (!p || !p2)
0da46a6e 5301 ret = -TARGET_EFAULT;
f0b6243d
TS		 5302 else
5303 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 5304 unlock_user(p2, arg3, 0);
5305 unlock_user(p, arg1, 0);
f0b6243d
TS		 5306 }
5307 break;
5308#endif
ebc05488 5309#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 5310 case TARGET_NR_oldlstat:
5311 goto unimplemented;
ebc05488 5312#endif
31e31b8a 5313 case TARGET_NR_readlink:
53a5960a 5314 {
d088d664 5315 void *p2, *temp;
53a5960a 5316 p = lock_user_string(arg1);
579a97f7
FB		 5317 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5318 if (!p || !p2)
5319 ret = -TARGET_EFAULT;
d088d664
AJ		 5320 else {
5321 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5322 char real[PATH_MAX];
5323 temp = realpath(exec_path,real);
5324 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5325 snprintf((char *)p2, arg3, "%s", real);
5326 }
5327 else
5328 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 5329 }
53a5960a
PB		 5330 unlock_user(p2, arg2, ret);
5331 unlock_user(p, arg1, 0);
5332 }
31e31b8a 5333 break;
5e0ccb18
TS		 5334#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5335 case TARGET_NR_readlinkat:
5e0ccb18 5336 {
579a97f7 5337 void *p2;
5e0ccb18 5338 p = lock_user_string(arg2);
579a97f7
FB		 5339 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5340 if (!p || !p2)
0da46a6e 5341 ret = -TARGET_EFAULT;
5e0ccb18
TS		 5342 else
5343 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 5344 unlock_user(p2, arg3, ret);
5345 unlock_user(p, arg2, 0);
5e0ccb18
TS		 5346 }
5347 break;
5348#endif
e5febef5 5349#ifdef TARGET_NR_uselib
31e31b8a
FB		 5350 case TARGET_NR_uselib:
5351 goto unimplemented;
e5febef5
TS		 5352#endif
5353#ifdef TARGET_NR_swapon
31e31b8a 5354 case TARGET_NR_swapon:
579a97f7
FB		 5355 if (!(p = lock_user_string(arg1)))
5356 goto efault;
53a5960a
PB		 5357 ret = get_errno(swapon(p, arg2));
5358 unlock_user(p, arg1, 0);
31e31b8a 5359 break;
e5febef5 5360#endif
31e31b8a
FB		 5361 case TARGET_NR_reboot:
5362 goto unimplemented;
e5febef5 5363#ifdef TARGET_NR_readdir
31e31b8a
FB		 5364 case TARGET_NR_readdir:
5365 goto unimplemented;
e5febef5
TS		 5366#endif
5367#ifdef TARGET_NR_mmap
31e31b8a 5368 case TARGET_NR_mmap:
b779e29e 5369#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
31e31b8a 5370 {
992f48a0
BS		 5371 abi_ulong *v;
5372 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 5373 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5374 goto efault;
53a5960a
PB		 5375 v1 = tswapl(v[0]);
5376 v2 = tswapl(v[1]);
5377 v3 = tswapl(v[2]);
5378 v4 = tswapl(v[3]);
5379 v5 = tswapl(v[4]);
5380 v6 = tswapl(v[5]);
5381 unlock_user(v, arg1, 0);
5fafdf24 5382 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 5383 target_to_host_bitmask(v4, mmap_flags_tbl),
5384 v5, v6));
31e31b8a 5385 }
31e31b8a 5386#else
5fafdf24
TS		 5387 ret = get_errno(target_mmap(arg1, arg2, arg3,
5388 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 5389 arg5,
5390 arg6));
31e31b8a 5391#endif
6fb883e8 5392 break;
e5febef5 5393#endif
a315a145 5394#ifdef TARGET_NR_mmap2
6fb883e8 5395 case TARGET_NR_mmap2:
bb7ec043 5396#ifndef MMAP_SHIFT
c573ff67 5397#define MMAP_SHIFT 12
c573ff67 5398#endif
5fafdf24
TS		 5399 ret = get_errno(target_mmap(arg1, arg2, arg3,
5400 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 5401 arg5,
c573ff67 5402 arg6 << MMAP_SHIFT));
31e31b8a 5403 break;
a315a145 5404#endif
31e31b8a 5405 case TARGET_NR_munmap:
54936004 5406 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 5407 break;
9de5e440 5408 case TARGET_NR_mprotect:
97374d38
PB		 5409 {
5410 TaskState *ts = ((CPUState *)cpu_env)->opaque;
5411 /* Special hack to detect libc making the stack executable. */
5412 if ((arg3 & PROT_GROWSDOWN)
5413 && arg1 >= ts->info->stack_limit
5414 && arg1 <= ts->info->start_stack) {
5415 arg3 &= ~PROT_GROWSDOWN;
5416 arg2 = arg2 + arg1 - ts->info->stack_limit;
5417 arg1 = ts->info->stack_limit;
5418 }
5419 }
54936004 5420 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 5421 break;
e5febef5 5422#ifdef TARGET_NR_mremap
9de5e440 5423 case TARGET_NR_mremap:
54936004 5424 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 5425 break;
e5febef5 5426#endif
53a5960a 5427 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 5428#ifdef TARGET_NR_msync
9de5e440 5429 case TARGET_NR_msync:
53a5960a 5430 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 5431 break;
e5febef5
TS		 5432#endif
5433#ifdef TARGET_NR_mlock
9de5e440 5434 case TARGET_NR_mlock:
53a5960a 5435 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 5436 break;
e5febef5
TS		 5437#endif
5438#ifdef TARGET_NR_munlock
9de5e440 5439 case TARGET_NR_munlock:
53a5960a 5440 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 5441 break;
e5febef5
TS		 5442#endif
5443#ifdef TARGET_NR_mlockall
9de5e440
FB		 5444 case TARGET_NR_mlockall:
5445 ret = get_errno(mlockall(arg1));
5446 break;
e5febef5
TS		 5447#endif
5448#ifdef TARGET_NR_munlockall
9de5e440
FB		 5449 case TARGET_NR_munlockall:
5450 ret = get_errno(munlockall());
5451 break;
e5febef5 5452#endif
31e31b8a 5453 case TARGET_NR_truncate:
579a97f7
FB		 5454 if (!(p = lock_user_string(arg1)))
5455 goto efault;
53a5960a
PB		 5456 ret = get_errno(truncate(p, arg2));
5457 unlock_user(p, arg1, 0);
31e31b8a
FB		 5458 break;
5459 case TARGET_NR_ftruncate:
5460 ret = get_errno(ftruncate(arg1, arg2));
5461 break;
5462 case TARGET_NR_fchmod:
5463 ret = get_errno(fchmod(arg1, arg2));
5464 break;
814d7977
TS		 5465#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5466 case TARGET_NR_fchmodat:
579a97f7
FB		 5467 if (!(p = lock_user_string(arg2)))
5468 goto efault;
465c9f06 5469 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 5470 unlock_user(p, arg2, 0);
814d7977
TS		 5471 break;
5472#endif
31e31b8a 5473 case TARGET_NR_getpriority:
c6cda17a
TS		 5474 /* libc does special remapping of the return value of
5475 * sys_getpriority() so it's just easiest to call
5476 * sys_getpriority() directly rather than through libc. */
69137206 5477 ret = get_errno(sys_getpriority(arg1, arg2));
31e31b8a
FB		 5478 break;
5479 case TARGET_NR_setpriority:
5480 ret = get_errno(setpriority(arg1, arg2, arg3));
5481 break;
ebc05488 5482#ifdef TARGET_NR_profil
31e31b8a
FB		 5483 case TARGET_NR_profil:
5484 goto unimplemented;
ebc05488 5485#endif
31e31b8a 5486 case TARGET_NR_statfs:
579a97f7
FB		 5487 if (!(p = lock_user_string(arg1)))
5488 goto efault;
53a5960a
PB		 5489 ret = get_errno(statfs(path(p), &stfs));
5490 unlock_user(p, arg1, 0);
31e31b8a
FB		 5491 convert_statfs:
5492 if (!is_error(ret)) {
53a5960a 5493 struct target_statfs *target_stfs;
3b46e624 5494
579a97f7
FB		 5495 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5496 goto efault;
5497 __put_user(stfs.f_type, &target_stfs->f_type);
5498 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5499 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5500 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5501 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5502 __put_user(stfs.f_files, &target_stfs->f_files);
5503 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5504 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5505 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5506 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 5507 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 5508 }
5509 break;
5510 case TARGET_NR_fstatfs:
56c8f68f 5511 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 5512 goto convert_statfs;
56c8f68f
FB		 5513#ifdef TARGET_NR_statfs64
5514 case TARGET_NR_statfs64:
579a97f7
FB		 5515 if (!(p = lock_user_string(arg1)))
5516 goto efault;
53a5960a
PB		 5517 ret = get_errno(statfs(path(p), &stfs));
5518 unlock_user(p, arg1, 0);
56c8f68f
FB		 5519 convert_statfs64:
5520 if (!is_error(ret)) {
53a5960a 5521 struct target_statfs64 *target_stfs;
3b46e624 5522
579a97f7
FB		 5523 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5524 goto efault;
5525 __put_user(stfs.f_type, &target_stfs->f_type);
5526 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5527 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5528 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5529 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5530 __put_user(stfs.f_files, &target_stfs->f_files);
5531 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5532 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5533 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5534 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5535 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 5536 }
5537 break;
5538 case TARGET_NR_fstatfs64:
5539 ret = get_errno(fstatfs(arg1, &stfs));
5540 goto convert_statfs64;
5541#endif
ebc05488 5542#ifdef TARGET_NR_ioperm
31e31b8a
FB		 5543 case TARGET_NR_ioperm:
5544 goto unimplemented;
ebc05488 5545#endif
e5febef5 5546#ifdef TARGET_NR_socketcall
31e31b8a 5547 case TARGET_NR_socketcall:
53a5960a 5548 ret = do_socketcall(arg1, arg2);
31e31b8a 5549 break;
e5febef5 5550#endif
3532fa74
FB		 5551#ifdef TARGET_NR_accept
5552 case TARGET_NR_accept:
1be9e1dc 5553 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 5554 break;
5555#endif
5556#ifdef TARGET_NR_bind
5557 case TARGET_NR_bind:
5558 ret = do_bind(arg1, arg2, arg3);
5559 break;
5560#endif
5561#ifdef TARGET_NR_connect
5562 case TARGET_NR_connect:
5563 ret = do_connect(arg1, arg2, arg3);
5564 break;
5565#endif
5566#ifdef TARGET_NR_getpeername
5567 case TARGET_NR_getpeername:
1be9e1dc 5568 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 5569 break;
5570#endif
5571#ifdef TARGET_NR_getsockname
5572 case TARGET_NR_getsockname:
1be9e1dc 5573 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 5574 break;
5575#endif
5576#ifdef TARGET_NR_getsockopt
5577 case TARGET_NR_getsockopt:
5578 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5579 break;
5580#endif
5581#ifdef TARGET_NR_listen
5582 case TARGET_NR_listen:
1be9e1dc 5583 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 5584 break;
5585#endif
5586#ifdef TARGET_NR_recv
5587 case TARGET_NR_recv:
214201bd 5588 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5589 break;
5590#endif
5591#ifdef TARGET_NR_recvfrom
5592 case TARGET_NR_recvfrom:
214201bd 5593 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5594 break;
5595#endif
5596#ifdef TARGET_NR_recvmsg
5597 case TARGET_NR_recvmsg:
5598 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5599 break;
5600#endif
5601#ifdef TARGET_NR_send
5602 case TARGET_NR_send:
1be9e1dc 5603 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5604 break;
5605#endif
5606#ifdef TARGET_NR_sendmsg
5607 case TARGET_NR_sendmsg:
5608 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5609 break;
5610#endif
5611#ifdef TARGET_NR_sendto
5612 case TARGET_NR_sendto:
1be9e1dc 5613 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5614 break;
5615#endif
5616#ifdef TARGET_NR_shutdown
5617 case TARGET_NR_shutdown:
1be9e1dc 5618 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 5619 break;
5620#endif
5621#ifdef TARGET_NR_socket
5622 case TARGET_NR_socket:
5623 ret = do_socket(arg1, arg2, arg3);
5624 break;
5625#endif
5626#ifdef TARGET_NR_socketpair
5627 case TARGET_NR_socketpair:
1be9e1dc 5628 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 5629 break;
5630#endif
5631#ifdef TARGET_NR_setsockopt
5632 case TARGET_NR_setsockopt:
5633 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5634 break;
5635#endif
7494b0f9 5636
31e31b8a 5637 case TARGET_NR_syslog:
579a97f7
FB		 5638 if (!(p = lock_user_string(arg2)))
5639 goto efault;
e5574487
TS		 5640 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5641 unlock_user(p, arg2, 0);
7494b0f9
TS		 5642 break;
5643
31e31b8a 5644 case TARGET_NR_setitimer:
66fb9763 5645 {
66fb9763
FB		 5646 struct itimerval value, ovalue, *pvalue;
5647
53a5960a 5648 if (arg2) {
66fb9763 5649 pvalue = &value;
788f5ec4
TS		 5650 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5651 || copy_from_user_timeval(&pvalue->it_value,
5652 arg2 + sizeof(struct target_timeval)))
5653 goto efault;
66fb9763
FB		 5654 } else {
5655 pvalue = NULL;
5656 }
5657 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 5658 if (!is_error(ret) && arg3) {
788f5ec4
TS		 5659 if (copy_to_user_timeval(arg3,
5660 &ovalue.it_interval)
5661 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5662 &ovalue.it_value))
5663 goto efault;
66fb9763
FB		 5664 }
5665 }
5666 break;
31e31b8a 5667 case TARGET_NR_getitimer:
66fb9763 5668 {
66fb9763 5669 struct itimerval value;
3b46e624 5670
66fb9763 5671 ret = get_errno(getitimer(arg1, &value));
53a5960a 5672 if (!is_error(ret) && arg2) {
788f5ec4
TS		 5673 if (copy_to_user_timeval(arg2,
5674 &value.it_interval)
5675 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5676 &value.it_value))
5677 goto efault;
66fb9763
FB		 5678 }
5679 }
5680 break;
31e31b8a 5681 case TARGET_NR_stat:
579a97f7
FB		 5682 if (!(p = lock_user_string(arg1)))
5683 goto efault;
53a5960a
PB		 5684 ret = get_errno(stat(path(p), &st));
5685 unlock_user(p, arg1, 0);
31e31b8a
FB		 5686 goto do_stat;
5687 case TARGET_NR_lstat:
579a97f7
FB		 5688 if (!(p = lock_user_string(arg1)))
5689 goto efault;
53a5960a
PB		 5690 ret = get_errno(lstat(path(p), &st));
5691 unlock_user(p, arg1, 0);
31e31b8a
FB		 5692 goto do_stat;
5693 case TARGET_NR_fstat:
5694 {
5695 ret = get_errno(fstat(arg1, &st));
5696 do_stat:
5697 if (!is_error(ret)) {
53a5960a 5698 struct target_stat *target_st;
e3584658 5699
579a97f7
FB		 5700 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5701 goto efault;
12727917 5702 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 5703 __put_user(st.st_dev, &target_st->st_dev);
5704 __put_user(st.st_ino, &target_st->st_ino);
5705 __put_user(st.st_mode, &target_st->st_mode);
5706 __put_user(st.st_uid, &target_st->st_uid);
5707 __put_user(st.st_gid, &target_st->st_gid);
5708 __put_user(st.st_nlink, &target_st->st_nlink);
5709 __put_user(st.st_rdev, &target_st->st_rdev);
5710 __put_user(st.st_size, &target_st->st_size);
5711 __put_user(st.st_blksize, &target_st->st_blksize);
5712 __put_user(st.st_blocks, &target_st->st_blocks);
5713 __put_user(st.st_atime, &target_st->target_st_atime);
5714 __put_user(st.st_mtime, &target_st->target_st_mtime);
5715 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 5716 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 5717 }
5718 }
5719 break;
ebc05488 5720#ifdef TARGET_NR_olduname
31e31b8a
FB		 5721 case TARGET_NR_olduname:
5722 goto unimplemented;
ebc05488
FB		 5723#endif
5724#ifdef TARGET_NR_iopl
31e31b8a
FB		 5725 case TARGET_NR_iopl:
5726 goto unimplemented;
ebc05488 5727#endif
31e31b8a
FB		 5728 case TARGET_NR_vhangup:
5729 ret = get_errno(vhangup());
5730 break;
ebc05488 5731#ifdef TARGET_NR_idle
31e31b8a
FB		 5732 case TARGET_NR_idle:
5733 goto unimplemented;
42ad6ae9
FB		 5734#endif
5735#ifdef TARGET_NR_syscall
5736 case TARGET_NR_syscall:
5737 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5738 break;
ebc05488 5739#endif
31e31b8a
FB		 5740 case TARGET_NR_wait4:
5741 {
5742 int status;
992f48a0 5743 abi_long status_ptr = arg2;
31e31b8a 5744 struct rusage rusage, *rusage_ptr;
992f48a0 5745 abi_ulong target_rusage = arg4;
31e31b8a
FB		 5746 if (target_rusage)
5747 rusage_ptr = &rusage;
5748 else
5749 rusage_ptr = NULL;
5750 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5751 if (!is_error(ret)) {
2f619698 5752 if (status_ptr) {
1d9d8b55 5753 status = host_to_target_waitstatus(status);
2f619698
FB		 5754 if (put_user_s32(status, status_ptr))
5755 goto efault;
31e31b8a 5756 }
2f619698
FB		 5757 if (target_rusage)
5758 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 5759 }
5760 }
5761 break;
e5febef5 5762#ifdef TARGET_NR_swapoff
31e31b8a 5763 case TARGET_NR_swapoff:
579a97f7
FB		 5764 if (!(p = lock_user_string(arg1)))
5765 goto efault;
53a5960a
PB		 5766 ret = get_errno(swapoff(p));
5767 unlock_user(p, arg1, 0);
31e31b8a 5768 break;
e5febef5 5769#endif
31e31b8a 5770 case TARGET_NR_sysinfo:
a5448a7d 5771 {
53a5960a 5772 struct target_sysinfo *target_value;
a5448a7d
FB		 5773 struct sysinfo value;
5774 ret = get_errno(sysinfo(&value));
53a5960a 5775 if (!is_error(ret) && arg1)
a5448a7d 5776 {
579a97f7
FB		 5777 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5778 goto efault;
a5448a7d
FB		 5779 __put_user(value.uptime, &target_value->uptime);
5780 __put_user(value.loads[0], &target_value->loads[0]);
5781 __put_user(value.loads[1], &target_value->loads[1]);
5782 __put_user(value.loads[2], &target_value->loads[2]);
5783 __put_user(value.totalram, &target_value->totalram);
5784 __put_user(value.freeram, &target_value->freeram);
5785 __put_user(value.sharedram, &target_value->sharedram);
5786 __put_user(value.bufferram, &target_value->bufferram);
5787 __put_user(value.totalswap, &target_value->totalswap);
5788 __put_user(value.freeswap, &target_value->freeswap);
5789 __put_user(value.procs, &target_value->procs);
5790 __put_user(value.totalhigh, &target_value->totalhigh);
5791 __put_user(value.freehigh, &target_value->freehigh);
5792 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 5793 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 5794 }
5795 }
5796 break;
e5febef5 5797#ifdef TARGET_NR_ipc
31e31b8a 5798 case TARGET_NR_ipc:
8853f86e
FB		 5799 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5800 break;
e5febef5 5801#endif
e5289087
AJ		 5802#ifdef TARGET_NR_semget
5803 case TARGET_NR_semget:
5804 ret = get_errno(semget(arg1, arg2, arg3));
5805 break;
5806#endif
5807#ifdef TARGET_NR_semop
5808 case TARGET_NR_semop:
5809 ret = get_errno(do_semop(arg1, arg2, arg3));
5810 break;
5811#endif
5812#ifdef TARGET_NR_semctl
5813 case TARGET_NR_semctl:
5814 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5815 break;
5816#endif
eeb438c1
AJ		 5817#ifdef TARGET_NR_msgctl
5818 case TARGET_NR_msgctl:
5819 ret = do_msgctl(arg1, arg2, arg3);
5820 break;
5821#endif
5822#ifdef TARGET_NR_msgget
5823 case TARGET_NR_msgget:
5824 ret = get_errno(msgget(arg1, arg2));
5825 break;
5826#endif
5827#ifdef TARGET_NR_msgrcv
5828 case TARGET_NR_msgrcv:
5829 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5830 break;
5831#endif
5832#ifdef TARGET_NR_msgsnd
5833 case TARGET_NR_msgsnd:
5834 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5835 break;
88a8c984
RV		 5836#endif
5837#ifdef TARGET_NR_shmget
5838 case TARGET_NR_shmget:
5839 ret = get_errno(shmget(arg1, arg2, arg3));
5840 break;
5841#endif
5842#ifdef TARGET_NR_shmctl
5843 case TARGET_NR_shmctl:
5844 ret = do_shmctl(arg1, arg2, arg3);
5845 break;
5846#endif
5847#ifdef TARGET_NR_shmat
5848 case TARGET_NR_shmat:
5849 ret = do_shmat(arg1, arg2, arg3);
5850 break;
5851#endif
5852#ifdef TARGET_NR_shmdt
5853 case TARGET_NR_shmdt:
5854 ret = do_shmdt(arg1);
5855 break;
eeb438c1 5856#endif
31e31b8a
FB		 5857 case TARGET_NR_fsync:
5858 ret = get_errno(fsync(arg1));
5859 break;
31e31b8a 5860 case TARGET_NR_clone:
a4b388ff 5861#if defined(TARGET_SH4) || defined(TARGET_ALPHA)
0b6d3ae0 5862 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 5863#elif defined(TARGET_CRIS)
5864 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
0b6d3ae0 5865#else
d865bab5 5866 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 5867#endif
1b6b029e 5868 break;
ec86b0fb
FB		 5869#ifdef __NR_exit_group
5870 /* new thread calls */
5871 case TARGET_NR_exit_group:
9788c9ca 5872#ifdef TARGET_GPROF
6d946cda
AJ		 5873 _mcleanup();
5874#endif
e9009676 5875 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 5876 ret = get_errno(exit_group(arg1));
5877 break;
5878#endif
31e31b8a 5879 case TARGET_NR_setdomainname:
579a97f7
FB		 5880 if (!(p = lock_user_string(arg1)))
5881 goto efault;
53a5960a
PB		 5882 ret = get_errno(setdomainname(p, arg2));
5883 unlock_user(p, arg1, 0);
31e31b8a
FB		 5884 break;
5885 case TARGET_NR_uname:
5886 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 5887 {
5888 struct new_utsname * buf;
3b46e624 5889
579a97f7
FB		 5890 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5891 goto efault;
29e619b1
FB		 5892 ret = get_errno(sys_uname(buf));
5893 if (!is_error(ret)) {
5894 /* Overrite the native machine name with whatever is being
5895 emulated. */
da79030f 5896 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 5897 /* Allow the user to override the reported release. */
5898 if (qemu_uname_release && *qemu_uname_release)
5899 strcpy (buf->release, qemu_uname_release);
29e619b1 5900 }
53a5960a 5901 unlock_user_struct(buf, arg1, 1);
29e619b1 5902 }
31e31b8a 5903 break;
6dbad63e 5904#ifdef TARGET_I386
31e31b8a 5905 case TARGET_NR_modify_ldt:
03acab66 5906 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 5907 break;
84409ddb 5908#if !defined(TARGET_X86_64)
5cd4393b
FB		 5909 case TARGET_NR_vm86old:
5910 goto unimplemented;
5911 case TARGET_NR_vm86:
53a5960a 5912 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 5913 break;
84409ddb 5914#endif
6dbad63e 5915#endif
31e31b8a
FB		 5916 case TARGET_NR_adjtimex:
5917 goto unimplemented;
e5febef5 5918#ifdef TARGET_NR_create_module
31e31b8a 5919 case TARGET_NR_create_module:
e5febef5 5920#endif
31e31b8a
FB		 5921 case TARGET_NR_init_module:
5922 case TARGET_NR_delete_module:
e5febef5 5923#ifdef TARGET_NR_get_kernel_syms
31e31b8a 5924 case TARGET_NR_get_kernel_syms:
e5febef5 5925#endif
31e31b8a
FB		 5926 goto unimplemented;
5927 case TARGET_NR_quotactl:
5928 goto unimplemented;
5929 case TARGET_NR_getpgid:
5930 ret = get_errno(getpgid(arg1));
5931 break;
5932 case TARGET_NR_fchdir:
5933 ret = get_errno(fchdir(arg1));
5934 break;
84409ddb 5935#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 5936 case TARGET_NR_bdflush:
5937 goto unimplemented;
84409ddb 5938#endif
e5febef5 5939#ifdef TARGET_NR_sysfs
31e31b8a
FB		 5940 case TARGET_NR_sysfs:
5941 goto unimplemented;
e5febef5 5942#endif
31e31b8a 5943 case TARGET_NR_personality:
1b6b029e 5944 ret = get_errno(personality(arg1));
31e31b8a 5945 break;
e5febef5 5946#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 5947 case TARGET_NR_afs_syscall:
5948 goto unimplemented;
e5febef5 5949#endif
7a3148a9 5950#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 5951 case TARGET_NR__llseek:
5952 {
d35b261c 5953#if !defined(__NR_llseek)
4f2ac237 5954 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2f619698
FB		 5955 if (put_user_s64(ret, arg4))
5956 goto efault;
4f2ac237 5957#else
31e31b8a
FB		 5958 int64_t res;
5959 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2f619698
FB		 5960 if (put_user_s64(res, arg4))
5961 goto efault;
4f2ac237 5962#endif
31e31b8a
FB		 5963 }
5964 break;
7a3148a9 5965#endif
31e31b8a 5966 case TARGET_NR_getdents:
d83c8733 5967#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 5968 {
53a5960a 5969 struct target_dirent *target_dirp;
6556a833 5970 struct linux_dirent *dirp;
992f48a0 5971 abi_long count = arg3;
4add45b4
FB		 5972
5973 dirp = malloc(count);
0da46a6e 5974 if (!dirp) {
579a97f7 5975 ret = -TARGET_ENOMEM;
0da46a6e
TS		 5976 goto fail;
5977 }
3b46e624 5978
4add45b4
FB		 5979 ret = get_errno(sys_getdents(arg1, dirp, count));
5980 if (!is_error(ret)) {
6556a833 5981 struct linux_dirent *de;
4add45b4
FB		 5982 struct target_dirent *tde;
5983 int len = ret;
5984 int reclen, treclen;
5985 int count1, tnamelen;
5986
5987 count1 = 0;
5988 de = dirp;
579a97f7
FB		 5989 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5990 goto efault;
4add45b4
FB		 5991 tde = target_dirp;
5992 while (len > 0) {
5993 reclen = de->d_reclen;
992f48a0 5994 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4
FB		 5995 tde->d_reclen = tswap16(treclen);
5996 tde->d_ino = tswapl(de->d_ino);
5997 tde->d_off = tswapl(de->d_off);
992f48a0 5998 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 5999 if (tnamelen > 256)
6000 tnamelen = 256;
80a9d035 6001 /* XXX: may not be correct */
be15b141 6002 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 6003 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 6004 len -= reclen;
1c5bf3bf 6005 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 6006 count1 += treclen;
6007 }
6008 ret = count1;
579a97f7 6009 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 6010 }
6011 free(dirp);
6012 }
6013#else
31e31b8a 6014 {
6556a833 6015 struct linux_dirent *dirp;
992f48a0 6016 abi_long count = arg3;
dab2ed99 6017
579a97f7
FB		 6018 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6019 goto efault;
72f03900 6020 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 6021 if (!is_error(ret)) {
6556a833 6022 struct linux_dirent *de;
31e31b8a
FB		 6023 int len = ret;
6024 int reclen;
6025 de = dirp;
6026 while (len > 0) {
8083a3e5 6027 reclen = de->d_reclen;
31e31b8a
FB		 6028 if (reclen > len)
6029 break;
8083a3e5 6030 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 6031 tswapls(&de->d_ino);
6032 tswapls(&de->d_off);
6556a833 6033 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 6034 len -= reclen;
6035 }
6036 }
53a5960a 6037 unlock_user(dirp, arg2, ret);
31e31b8a 6038 }
4add45b4 6039#endif
31e31b8a 6040 break;
3ae43202 6041#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 6042 case TARGET_NR_getdents64:
6043 {
6556a833 6044 struct linux_dirent64 *dirp;
992f48a0 6045 abi_long count = arg3;
579a97f7
FB		 6046 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6047 goto efault;
dab2ed99
FB		 6048 ret = get_errno(sys_getdents64(arg1, dirp, count));
6049 if (!is_error(ret)) {
6556a833 6050 struct linux_dirent64 *de;
dab2ed99
FB		 6051 int len = ret;
6052 int reclen;
6053 de = dirp;
6054 while (len > 0) {
8083a3e5 6055 reclen = de->d_reclen;
dab2ed99
FB		 6056 if (reclen > len)
6057 break;
8083a3e5 6058 de->d_reclen = tswap16(reclen);
8582a53a
FB		 6059 tswap64s((uint64_t *)&de->d_ino);
6060 tswap64s((uint64_t *)&de->d_off);
6556a833 6061 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 6062 len -= reclen;
6063 }
6064 }
53a5960a 6065 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 6066 }
6067 break;
a541f297 6068#endif /* TARGET_NR_getdents64 */
e5febef5 6069#ifdef TARGET_NR__newselect
31e31b8a 6070 case TARGET_NR__newselect:
53a5960a 6071 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 6072 break;
e5febef5
TS		 6073#endif
6074#ifdef TARGET_NR_poll
9de5e440
FB		 6075 case TARGET_NR_poll:
6076 {
53a5960a 6077 struct target_pollfd *target_pfd;
9de5e440
FB		 6078 unsigned int nfds = arg2;
6079 int timeout = arg3;
6080 struct pollfd *pfd;
7854b056 6081 unsigned int i;
9de5e440 6082
579a97f7
FB		 6083 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
6084 if (!target_pfd)
6085 goto efault;
9de5e440
FB		 6086 pfd = alloca(sizeof(struct pollfd) * nfds);
6087 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 6088 pfd[i].fd = tswap32(target_pfd[i].fd);
6089 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 6090 }
6091 ret = get_errno(poll(pfd, nfds, timeout));
6092 if (!is_error(ret)) {
6093 for(i = 0; i < nfds; i++) {
5cd4393b 6094 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 6095 }
53a5960a
PB		 6096 ret += nfds * (sizeof(struct target_pollfd)
6097 - sizeof(struct pollfd));
9de5e440 6098 }
53a5960a 6099 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 6100 }
6101 break;
e5febef5 6102#endif
31e31b8a 6103 case TARGET_NR_flock:
9de5e440
FB		 6104 /* NOTE: the flock constant seems to be the same for every
6105 Linux platform */
6106 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 6107 break;
6108 case TARGET_NR_readv:
6109 {
6110 int count = arg3;
31e31b8a 6111 struct iovec *vec;
31e31b8a
FB		 6112
6113 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 6114 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
6115 goto efault;
31e31b8a 6116 ret = get_errno(readv(arg1, vec, count));
53a5960a 6117 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 6118 }
6119 break;
6120 case TARGET_NR_writev:
6121 {
6122 int count = arg3;
31e31b8a 6123 struct iovec *vec;
31e31b8a
FB		 6124
6125 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 6126 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6127 goto efault;
31e31b8a 6128 ret = get_errno(writev(arg1, vec, count));
53a5960a 6129 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 6130 }
6131 break;
6132 case TARGET_NR_getsid:
6133 ret = get_errno(getsid(arg1));
6134 break;
7a3148a9 6135#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 6136 case TARGET_NR_fdatasync:
5cd4393b
FB		 6137 ret = get_errno(fdatasync(arg1));
6138 break;
7a3148a9 6139#endif
31e31b8a 6140 case TARGET_NR__sysctl:
0da46a6e 6141 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 6142 return value. */
0da46a6e
TS		 6143 ret = -TARGET_ENOTDIR;
6144 break;
31e31b8a 6145 case TARGET_NR_sched_setparam:
5cd4393b 6146 {
53a5960a 6147 struct sched_param *target_schp;
5cd4393b 6148 struct sched_param schp;
53a5960a 6149
579a97f7
FB		 6150 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
6151 goto efault;
5cd4393b 6152 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6153 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 6154 ret = get_errno(sched_setparam(arg1, &schp));
6155 }
6156 break;
31e31b8a 6157 case TARGET_NR_sched_getparam:
5cd4393b 6158 {
53a5960a 6159 struct sched_param *target_schp;
5cd4393b
FB		 6160 struct sched_param schp;
6161 ret = get_errno(sched_getparam(arg1, &schp));
6162 if (!is_error(ret)) {
579a97f7
FB		 6163 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
6164 goto efault;
5cd4393b 6165 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 6166 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 6167 }
6168 }
6169 break;
31e31b8a 6170 case TARGET_NR_sched_setscheduler:
5cd4393b 6171 {
53a5960a 6172 struct sched_param *target_schp;
5cd4393b 6173 struct sched_param schp;
579a97f7
FB		 6174 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
6175 goto efault;
5cd4393b 6176 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6177 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 6178 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
6179 }
6180 break;
31e31b8a 6181 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 6182 ret = get_errno(sched_getscheduler(arg1));
6183 break;
31e31b8a
FB		 6184 case TARGET_NR_sched_yield:
6185 ret = get_errno(sched_yield());
6186 break;
6187 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 6188 ret = get_errno(sched_get_priority_max(arg1));
6189 break;
31e31b8a 6190 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 6191 ret = get_errno(sched_get_priority_min(arg1));
6192 break;
31e31b8a 6193 case TARGET_NR_sched_rr_get_interval:
5cd4393b 6194 {
5cd4393b
FB		 6195 struct timespec ts;
6196 ret = get_errno(sched_rr_get_interval(arg1, &ts));
6197 if (!is_error(ret)) {
53a5960a 6198 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 6199 }
6200 }
6201 break;
31e31b8a 6202 case TARGET_NR_nanosleep:
1b6b029e 6203 {
1b6b029e 6204 struct timespec req, rem;
53a5960a 6205 target_to_host_timespec(&req, arg1);
1b6b029e 6206 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 6207 if (is_error(ret) && arg2) {
6208 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 6209 }
6210 }
6211 break;
e5febef5 6212#ifdef TARGET_NR_query_module
31e31b8a 6213 case TARGET_NR_query_module:
5cd4393b 6214 goto unimplemented;
e5febef5
TS		 6215#endif
6216#ifdef TARGET_NR_nfsservctl
31e31b8a 6217 case TARGET_NR_nfsservctl:
5cd4393b 6218 goto unimplemented;
e5febef5 6219#endif
31e31b8a 6220 case TARGET_NR_prctl:
e5574487
TS		 6221 switch (arg1)
6222 {
6223 case PR_GET_PDEATHSIG:
6224 {
6225 int deathsig;
6226 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 6227 if (!is_error(ret) && arg2
6228 && put_user_ual(deathsig, arg2))
6229 goto efault;
e5574487
TS		 6230 }
6231 break;
6232 default:
6233 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6234 break;
6235 }
39b9aae1 6236 break;
d2fd1af7
FB		 6237#ifdef TARGET_NR_arch_prctl
6238 case TARGET_NR_arch_prctl:
6239#if defined(TARGET_I386) && !defined(TARGET_ABI32)
6240 ret = do_arch_prctl(cpu_env, arg1, arg2);
6241 break;
6242#else
6243 goto unimplemented;
6244#endif
6245#endif
67867308 6246#ifdef TARGET_NR_pread
31e31b8a 6247 case TARGET_NR_pread:
a4ae00bc
AZ		 6248#ifdef TARGET_ARM
6249 if (((CPUARMState *)cpu_env)->eabi)
6250 arg4 = arg5;
6251#endif
579a97f7
FB		 6252 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6253 goto efault;
53a5960a
PB		 6254 ret = get_errno(pread(arg1, p, arg3, arg4));
6255 unlock_user(p, arg2, ret);
206f0fa7 6256 break;
31e31b8a 6257 case TARGET_NR_pwrite:
a4ae00bc
AZ		 6258#ifdef TARGET_ARM
6259 if (((CPUARMState *)cpu_env)->eabi)
6260 arg4 = arg5;
6261#endif
579a97f7
FB		 6262 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6263 goto efault;
53a5960a
PB		 6264 ret = get_errno(pwrite(arg1, p, arg3, arg4));
6265 unlock_user(p, arg2, 0);
206f0fa7 6266 break;
f2c7ba15
AJ		 6267#endif
6268#ifdef TARGET_NR_pread64
6269 case TARGET_NR_pread64:
6270 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6271 goto efault;
6272 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6273 unlock_user(p, arg2, ret);
6274 break;
6275 case TARGET_NR_pwrite64:
6276 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6277 goto efault;
6278 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6279 unlock_user(p, arg2, 0);
6280 break;
67867308 6281#endif
31e31b8a 6282 case TARGET_NR_getcwd:
579a97f7
FB		 6283 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6284 goto efault;
53a5960a
PB		 6285 ret = get_errno(sys_getcwd1(p, arg2));
6286 unlock_user(p, arg1, ret);
31e31b8a
FB		 6287 break;
6288 case TARGET_NR_capget:
5cd4393b 6289 goto unimplemented;
31e31b8a 6290 case TARGET_NR_capset:
5cd4393b 6291 goto unimplemented;
31e31b8a 6292 case TARGET_NR_sigaltstack:
198a74de 6293#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154
LV		 6294 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
6295 defined(TARGET_M68K)
579a97f7 6296 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
a04e134a
TS		 6297 break;
6298#else
5cd4393b 6299 goto unimplemented;
a04e134a 6300#endif
31e31b8a 6301 case TARGET_NR_sendfile:
5cd4393b 6302 goto unimplemented;
ebc05488 6303#ifdef TARGET_NR_getpmsg
31e31b8a 6304 case TARGET_NR_getpmsg:
5cd4393b 6305 goto unimplemented;
ebc05488
FB		 6306#endif
6307#ifdef TARGET_NR_putpmsg
31e31b8a 6308 case TARGET_NR_putpmsg:
5cd4393b 6309 goto unimplemented;
ebc05488 6310#endif
048f6b4d 6311#ifdef TARGET_NR_vfork
31e31b8a 6312 case TARGET_NR_vfork:
d865bab5
PB		 6313 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6314 0, 0, 0, 0));
31e31b8a 6315 break;
048f6b4d 6316#endif
ebc05488 6317#ifdef TARGET_NR_ugetrlimit
31e31b8a 6318 case TARGET_NR_ugetrlimit:
728584be
FB		 6319 {
6320 struct rlimit rlim;
6321 ret = get_errno(getrlimit(arg1, &rlim));
6322 if (!is_error(ret)) {
53a5960a 6323 struct target_rlimit *target_rlim;
579a97f7
FB		 6324 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6325 goto efault;
81bbe906 6326 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6327 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 6328 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 6329 }
6330 break;
6331 }
ebc05488 6332#endif
a315a145 6333#ifdef TARGET_NR_truncate64
31e31b8a 6334 case TARGET_NR_truncate64:
579a97f7
FB		 6335 if (!(p = lock_user_string(arg1)))
6336 goto efault;
53a5960a
PB		 6337 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6338 unlock_user(p, arg1, 0);
667f38b1 6339 break;
a315a145
FB		 6340#endif
6341#ifdef TARGET_NR_ftruncate64
31e31b8a 6342 case TARGET_NR_ftruncate64:
ce4defa0 6343 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 6344 break;
a315a145
FB		 6345#endif
6346#ifdef TARGET_NR_stat64
31e31b8a 6347 case TARGET_NR_stat64:
579a97f7
FB		 6348 if (!(p = lock_user_string(arg1)))
6349 goto efault;
53a5960a
PB		 6350 ret = get_errno(stat(path(p), &st));
6351 unlock_user(p, arg1, 0);
6a24a778
AZ		 6352 if (!is_error(ret))
6353 ret = host_to_target_stat64(cpu_env, arg2, &st);
6354 break;
a315a145
FB		 6355#endif
6356#ifdef TARGET_NR_lstat64
31e31b8a 6357 case TARGET_NR_lstat64:
579a97f7
FB		 6358 if (!(p = lock_user_string(arg1)))
6359 goto efault;
53a5960a
PB		 6360 ret = get_errno(lstat(path(p), &st));
6361 unlock_user(p, arg1, 0);
6a24a778
AZ		 6362 if (!is_error(ret))
6363 ret = host_to_target_stat64(cpu_env, arg2, &st);
6364 break;
a315a145
FB		 6365#endif
6366#ifdef TARGET_NR_fstat64
31e31b8a 6367 case TARGET_NR_fstat64:
6a24a778
AZ		 6368 ret = get_errno(fstat(arg1, &st));
6369 if (!is_error(ret))
6370 ret = host_to_target_stat64(cpu_env, arg2, &st);
6371 break;
ce4defa0 6372#endif
9d33b76b
AJ		 6373#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6374 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6375#ifdef TARGET_NR_fstatat64
6a24a778 6376 case TARGET_NR_fstatat64:
9d33b76b
AJ		 6377#endif
6378#ifdef TARGET_NR_newfstatat
6379 case TARGET_NR_newfstatat:
6380#endif
6a24a778
AZ		 6381 if (!(p = lock_user_string(arg2)))
6382 goto efault;
9d33b76b 6383#ifdef __NR_fstatat64
6a24a778 6384 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 6385#else
6386 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6387#endif
6a24a778
AZ		 6388 if (!is_error(ret))
6389 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 6390 break;
a315a145 6391#endif
67867308
FB		 6392#ifdef USE_UID16
6393 case TARGET_NR_lchown:
579a97f7
FB		 6394 if (!(p = lock_user_string(arg1)))
6395 goto efault;
53a5960a
PB		 6396 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6397 unlock_user(p, arg1, 0);
67867308
FB		 6398 break;
6399 case TARGET_NR_getuid:
6400 ret = get_errno(high2lowuid(getuid()));
6401 break;
6402 case TARGET_NR_getgid:
6403 ret = get_errno(high2lowgid(getgid()));
6404 break;
6405 case TARGET_NR_geteuid:
6406 ret = get_errno(high2lowuid(geteuid()));
6407 break;
6408 case TARGET_NR_getegid:
6409 ret = get_errno(high2lowgid(getegid()));
6410 break;
6411 case TARGET_NR_setreuid:
6412 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6413 break;
6414 case TARGET_NR_setregid:
6415 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6416 break;
6417 case TARGET_NR_getgroups:
6418 {
6419 int gidsetsize = arg1;
53a5960a 6420 uint16_t *target_grouplist;
67867308
FB		 6421 gid_t *grouplist;
6422 int i;
6423
6424 grouplist = alloca(gidsetsize * sizeof(gid_t));
6425 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6426 if (gidsetsize == 0)
6427 break;
67867308 6428 if (!is_error(ret)) {
579a97f7
FB		 6429 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6430 if (!target_grouplist)
6431 goto efault;
a2155fcc 6432 for(i = 0;i < ret; i++)
67867308 6433 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 6434 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 6435 }
6436 }
6437 break;
6438 case TARGET_NR_setgroups:
6439 {
6440 int gidsetsize = arg1;
53a5960a 6441 uint16_t *target_grouplist;
67867308
FB		 6442 gid_t *grouplist;
6443 int i;
6444
6445 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6446 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6447 if (!target_grouplist) {
6448 ret = -TARGET_EFAULT;
6449 goto fail;
6450 }
67867308
FB		 6451 for(i = 0;i < gidsetsize; i++)
6452 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 6453 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 6454 ret = get_errno(setgroups(gidsetsize, grouplist));
6455 }
6456 break;
6457 case TARGET_NR_fchown:
6458 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6459 break;
ccfa72b7
TS		 6460#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6461 case TARGET_NR_fchownat:
579a97f7
FB		 6462 if (!(p = lock_user_string(arg2)))
6463 goto efault;
6464 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6465 unlock_user(p, arg2, 0);
ccfa72b7
TS		 6466 break;
6467#endif
67867308
FB		 6468#ifdef TARGET_NR_setresuid
6469 case TARGET_NR_setresuid:
5fafdf24
TS		 6470 ret = get_errno(setresuid(low2highuid(arg1),
6471 low2highuid(arg2),
67867308
FB		 6472 low2highuid(arg3)));
6473 break;
6474#endif
6475#ifdef TARGET_NR_getresuid
6476 case TARGET_NR_getresuid:
6477 {
53a5960a 6478 uid_t ruid, euid, suid;
67867308
FB		 6479 ret = get_errno(getresuid(&ruid, &euid, &suid));
6480 if (!is_error(ret)) {
2f619698
FB		 6481 if (put_user_u16(high2lowuid(ruid), arg1)
6482 || put_user_u16(high2lowuid(euid), arg2)
6483 || put_user_u16(high2lowuid(suid), arg3))
6484 goto efault;
67867308
FB		 6485 }
6486 }
6487 break;
6488#endif
6489#ifdef TARGET_NR_getresgid
6490 case TARGET_NR_setresgid:
5fafdf24
TS		 6491 ret = get_errno(setresgid(low2highgid(arg1),
6492 low2highgid(arg2),
67867308
FB		 6493 low2highgid(arg3)));
6494 break;
6495#endif
6496#ifdef TARGET_NR_getresgid
6497 case TARGET_NR_getresgid:
6498 {
53a5960a 6499 gid_t rgid, egid, sgid;
67867308
FB		 6500 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6501 if (!is_error(ret)) {
2f619698
FB		 6502 if (put_user_u16(high2lowgid(rgid), arg1)
6503 || put_user_u16(high2lowgid(egid), arg2)
6504 || put_user_u16(high2lowgid(sgid), arg3))
6505 goto efault;
67867308
FB		 6506 }
6507 }
6508 break;
6509#endif
6510 case TARGET_NR_chown:
579a97f7
FB		 6511 if (!(p = lock_user_string(arg1)))
6512 goto efault;
53a5960a
PB		 6513 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6514 unlock_user(p, arg1, 0);
67867308
FB		 6515 break;
6516 case TARGET_NR_setuid:
6517 ret = get_errno(setuid(low2highuid(arg1)));
6518 break;
6519 case TARGET_NR_setgid:
6520 ret = get_errno(setgid(low2highgid(arg1)));
6521 break;
6522 case TARGET_NR_setfsuid:
6523 ret = get_errno(setfsuid(arg1));
6524 break;
6525 case TARGET_NR_setfsgid:
6526 ret = get_errno(setfsgid(arg1));
6527 break;
6528#endif /* USE_UID16 */
6529
a315a145 6530#ifdef TARGET_NR_lchown32
31e31b8a 6531 case TARGET_NR_lchown32:
579a97f7
FB		 6532 if (!(p = lock_user_string(arg1)))
6533 goto efault;
53a5960a
PB		 6534 ret = get_errno(lchown(p, arg2, arg3));
6535 unlock_user(p, arg1, 0);
b03c60f3 6536 break;
a315a145
FB		 6537#endif
6538#ifdef TARGET_NR_getuid32
31e31b8a 6539 case TARGET_NR_getuid32:
b03c60f3
FB		 6540 ret = get_errno(getuid());
6541 break;
a315a145 6542#endif
64b4d28c
AJ		 6543
6544#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6545 /* Alpha specific */
6546 case TARGET_NR_getxuid:
ba0e276d
RH		 6547 {
6548 uid_t euid;
6549 euid=geteuid();
6550 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6551 }
64b4d28c
AJ		 6552 ret = get_errno(getuid());
6553 break;
6554#endif
6555#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6556 /* Alpha specific */
6557 case TARGET_NR_getxgid:
ba0e276d
RH		 6558 {
6559 uid_t egid;
6560 egid=getegid();
6561 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6562 }
64b4d28c
AJ		 6563 ret = get_errno(getgid());
6564 break;
6565#endif
ba0e276d
RH		 6566#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
6567 /* Alpha specific */
6568 case TARGET_NR_osf_getsysinfo:
6569 ret = -TARGET_EOPNOTSUPP;
6570 switch (arg1) {
6571 case TARGET_GSI_IEEE_FP_CONTROL:
6572 {
6573 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
6574
6575 /* Copied from linux ieee_fpcr_to_swcr. */
6576 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
6577 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
6578 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
6579 | SWCR_TRAP_ENABLE_DZE
6580 | SWCR_TRAP_ENABLE_OVF);
6581 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
6582 | SWCR_TRAP_ENABLE_INE);
6583 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
6584 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
6585
6586 if (put_user_u64 (swcr, arg2))
6587 goto efault;
6588 ret = 0;
6589 }
6590 break;
6591
6592 /* case GSI_IEEE_STATE_AT_SIGNAL:
6593 -- Not implemented in linux kernel.
6594 case GSI_UACPROC:
6595 -- Retrieves current unaligned access state; not much used.
6596 case GSI_PROC_TYPE:
6597 -- Retrieves implver information; surely not used.
6598 case GSI_GET_HWRPB:
6599 -- Grabs a copy of the HWRPB; surely not used.
6600 */
6601 }
6602 break;
6603#endif
6604#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
6605 /* Alpha specific */
6606 case TARGET_NR_osf_setsysinfo:
6607 ret = -TARGET_EOPNOTSUPP;
6608 switch (arg1) {
6609 case TARGET_SSI_IEEE_FP_CONTROL:
6610 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
6611 {
6612 uint64_t swcr, fpcr, orig_fpcr;
6613
6614 if (get_user_u64 (swcr, arg2))
6615 goto efault;
6616 orig_fpcr = cpu_alpha_load_fpcr (cpu_env);
6617 fpcr = orig_fpcr & FPCR_DYN_MASK;
6618
6619 /* Copied from linux ieee_swcr_to_fpcr. */
6620 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
6621 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
6622 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
6623 | SWCR_TRAP_ENABLE_DZE
6624 | SWCR_TRAP_ENABLE_OVF)) << 48;
6625 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
6626 | SWCR_TRAP_ENABLE_INE)) << 57;
6627 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
6628 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
6629
6630 cpu_alpha_store_fpcr (cpu_env, fpcr);
6631 ret = 0;
6632
6633 if (arg1 == TARGET_SSI_IEEE_RAISE_EXCEPTION) {
6634 /* Old exceptions are not signaled. */
6635 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
6636
6637 /* If any exceptions set by this call, and are unmasked,
6638 send a signal. */
6639 /* ??? FIXME */
6640 }
6641 }
6642 break;
6643
6644 /* case SSI_NVPAIRS:
6645 -- Used with SSIN_UACPROC to enable unaligned accesses.
6646 case SSI_IEEE_STATE_AT_SIGNAL:
6647 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
6648 -- Not implemented in linux kernel
6649 */
6650 }
6651 break;
6652#endif
6653#ifdef TARGET_NR_osf_sigprocmask
6654 /* Alpha specific. */
6655 case TARGET_NR_osf_sigprocmask:
6656 {
6657 abi_ulong mask;
6658 int how = arg1;
6659 sigset_t set, oldset;
6660
6661 switch(arg1) {
6662 case TARGET_SIG_BLOCK:
6663 how = SIG_BLOCK;
6664 break;
6665 case TARGET_SIG_UNBLOCK:
6666 how = SIG_UNBLOCK;
6667 break;
6668 case TARGET_SIG_SETMASK:
6669 how = SIG_SETMASK;
6670 break;
6671 default:
6672 ret = -TARGET_EINVAL;
6673 goto fail;
6674 }
6675 mask = arg2;
6676 target_to_host_old_sigset(&set, &mask);
6677 sigprocmask(arg1, &set, &oldset);
6678 host_to_target_old_sigset(&mask, &oldset);
6679 ret = mask;
6680 }
6681 break;
6682#endif
64b4d28c 6683
a315a145 6684#ifdef TARGET_NR_getgid32
31e31b8a 6685 case TARGET_NR_getgid32:
b03c60f3
FB		 6686 ret = get_errno(getgid());
6687 break;
a315a145
FB		 6688#endif
6689#ifdef TARGET_NR_geteuid32
31e31b8a 6690 case TARGET_NR_geteuid32:
b03c60f3
FB		 6691 ret = get_errno(geteuid());
6692 break;
a315a145
FB		 6693#endif
6694#ifdef TARGET_NR_getegid32
31e31b8a 6695 case TARGET_NR_getegid32:
b03c60f3
FB		 6696 ret = get_errno(getegid());
6697 break;
a315a145
FB		 6698#endif
6699#ifdef TARGET_NR_setreuid32
31e31b8a 6700 case TARGET_NR_setreuid32:
b03c60f3
FB		 6701 ret = get_errno(setreuid(arg1, arg2));
6702 break;
a315a145
FB		 6703#endif
6704#ifdef TARGET_NR_setregid32
31e31b8a 6705 case TARGET_NR_setregid32:
b03c60f3
FB		 6706 ret = get_errno(setregid(arg1, arg2));
6707 break;
a315a145
FB		 6708#endif
6709#ifdef TARGET_NR_getgroups32
31e31b8a 6710 case TARGET_NR_getgroups32:
99c475ab
FB		 6711 {
6712 int gidsetsize = arg1;
53a5960a 6713 uint32_t *target_grouplist;
99c475ab
FB		 6714 gid_t *grouplist;
6715 int i;
6716
6717 grouplist = alloca(gidsetsize * sizeof(gid_t));
6718 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6719 if (gidsetsize == 0)
6720 break;
99c475ab 6721 if (!is_error(ret)) {
579a97f7
FB		 6722 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6723 if (!target_grouplist) {
6724 ret = -TARGET_EFAULT;
6725 goto fail;
6726 }
a2155fcc 6727 for(i = 0;i < ret; i++)
53a5960a
PB		 6728 target_grouplist[i] = tswap32(grouplist[i]);
6729 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 6730 }
6731 }
6732 break;
a315a145
FB		 6733#endif
6734#ifdef TARGET_NR_setgroups32
31e31b8a 6735 case TARGET_NR_setgroups32:
99c475ab
FB		 6736 {
6737 int gidsetsize = arg1;
53a5960a 6738 uint32_t *target_grouplist;
99c475ab
FB		 6739 gid_t *grouplist;
6740 int i;
3b46e624 6741
99c475ab 6742 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6743 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6744 if (!target_grouplist) {
6745 ret = -TARGET_EFAULT;
6746 goto fail;
6747 }
99c475ab 6748 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 6749 grouplist[i] = tswap32(target_grouplist[i]);
6750 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 6751 ret = get_errno(setgroups(gidsetsize, grouplist));
6752 }
6753 break;
a315a145
FB		 6754#endif
6755#ifdef TARGET_NR_fchown32
31e31b8a 6756 case TARGET_NR_fchown32:
b03c60f3
FB		 6757 ret = get_errno(fchown(arg1, arg2, arg3));
6758 break;
a315a145
FB		 6759#endif
6760#ifdef TARGET_NR_setresuid32
31e31b8a 6761 case TARGET_NR_setresuid32:
b03c60f3
FB		 6762 ret = get_errno(setresuid(arg1, arg2, arg3));
6763 break;
a315a145
FB		 6764#endif
6765#ifdef TARGET_NR_getresuid32
31e31b8a 6766 case TARGET_NR_getresuid32:
b03c60f3 6767 {
53a5960a 6768 uid_t ruid, euid, suid;
b03c60f3
FB		 6769 ret = get_errno(getresuid(&ruid, &euid, &suid));
6770 if (!is_error(ret)) {
2f619698
FB		 6771 if (put_user_u32(ruid, arg1)
6772 || put_user_u32(euid, arg2)
6773 || put_user_u32(suid, arg3))
6774 goto efault;
b03c60f3
FB		 6775 }
6776 }
6777 break;
a315a145
FB		 6778#endif
6779#ifdef TARGET_NR_setresgid32
31e31b8a 6780 case TARGET_NR_setresgid32:
b03c60f3
FB		 6781 ret = get_errno(setresgid(arg1, arg2, arg3));
6782 break;
a315a145
FB		 6783#endif
6784#ifdef TARGET_NR_getresgid32
31e31b8a 6785 case TARGET_NR_getresgid32:
b03c60f3 6786 {
53a5960a 6787 gid_t rgid, egid, sgid;
b03c60f3
FB		 6788 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6789 if (!is_error(ret)) {
2f619698
FB		 6790 if (put_user_u32(rgid, arg1)
6791 || put_user_u32(egid, arg2)
6792 || put_user_u32(sgid, arg3))
6793 goto efault;
b03c60f3
FB		 6794 }
6795 }
6796 break;
a315a145
FB		 6797#endif
6798#ifdef TARGET_NR_chown32
31e31b8a 6799 case TARGET_NR_chown32:
579a97f7
FB		 6800 if (!(p = lock_user_string(arg1)))
6801 goto efault;
53a5960a
PB		 6802 ret = get_errno(chown(p, arg2, arg3));
6803 unlock_user(p, arg1, 0);
b03c60f3 6804 break;
a315a145
FB		 6805#endif
6806#ifdef TARGET_NR_setuid32
31e31b8a 6807 case TARGET_NR_setuid32:
b03c60f3
FB		 6808 ret = get_errno(setuid(arg1));
6809 break;
a315a145
FB		 6810#endif
6811#ifdef TARGET_NR_setgid32
31e31b8a 6812 case TARGET_NR_setgid32:
b03c60f3
FB		 6813 ret = get_errno(setgid(arg1));
6814 break;
a315a145
FB		 6815#endif
6816#ifdef TARGET_NR_setfsuid32
31e31b8a 6817 case TARGET_NR_setfsuid32:
b03c60f3
FB		 6818 ret = get_errno(setfsuid(arg1));
6819 break;
a315a145
FB		 6820#endif
6821#ifdef TARGET_NR_setfsgid32
31e31b8a 6822 case TARGET_NR_setfsgid32:
b03c60f3
FB		 6823 ret = get_errno(setfsgid(arg1));
6824 break;
a315a145 6825#endif
67867308 6826
31e31b8a 6827 case TARGET_NR_pivot_root:
b03c60f3 6828 goto unimplemented;
ffa65c3b 6829#ifdef TARGET_NR_mincore
31e31b8a 6830 case TARGET_NR_mincore:
04bb9ace
AJ		 6831 {
6832 void *a;
6833 ret = -TARGET_EFAULT;
6834 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6835 goto efault;
6836 if (!(p = lock_user_string(arg3)))
6837 goto mincore_fail;
6838 ret = get_errno(mincore(a, arg2, p));
6839 unlock_user(p, arg3, ret);
6840 mincore_fail:
6841 unlock_user(a, arg1, 0);
6842 }
6843 break;
ffa65c3b 6844#endif
408321b6
AJ		 6845#ifdef TARGET_NR_arm_fadvise64_64
6846 case TARGET_NR_arm_fadvise64_64:
6847 {
6848 /*
6849 * arm_fadvise64_64 looks like fadvise64_64 but
6850 * with different argument order
6851 */
6852 abi_long temp;
6853 temp = arg3;
6854 arg3 = arg4;
6855 arg4 = temp;
6856 }
6857#endif
e72d2cc7 6858#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 6859#ifdef TARGET_NR_fadvise64_64
6860 case TARGET_NR_fadvise64_64:
6861#endif
e72d2cc7
UH		 6862#ifdef TARGET_NR_fadvise64
6863 case TARGET_NR_fadvise64:
6864#endif
6865#ifdef TARGET_S390X
6866 switch (arg4) {
6867 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
6868 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
6869 case 6: arg4 = POSIX_FADV_DONTNEED; break;
6870 case 7: arg4 = POSIX_FADV_NOREUSE; break;
6871 default: break;
6872 }
6873#endif
6874 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 6875 break;
6876#endif
ffa65c3b 6877#ifdef TARGET_NR_madvise
31e31b8a 6878 case TARGET_NR_madvise:
24836689
PB		 6879 /* A straight passthrough may not be safe because qemu sometimes
6880 turns private flie-backed mappings into anonymous mappings.
6881 This will break MADV_DONTNEED.
6882 This is a hint, so ignoring and returning success is ok. */
6883 ret = get_errno(0);
6884 break;
ffa65c3b 6885#endif
992f48a0 6886#if TARGET_ABI_BITS == 32
31e31b8a 6887 case TARGET_NR_fcntl64:
77e4672d 6888 {
b1e341eb 6889 int cmd;
77e4672d 6890 struct flock64 fl;
53a5960a 6891 struct target_flock64 *target_fl;
ce4defa0 6892#ifdef TARGET_ARM
53a5960a 6893 struct target_eabi_flock64 *target_efl;
ce4defa0 6894#endif
77e4672d 6895
5f106811
APR		 6896 cmd = target_to_host_fcntl_cmd(arg2);
6897 if (cmd == -TARGET_EINVAL)
6898 return cmd;
b1e341eb 6899
60cd49d5 6900 switch(arg2) {
b1e341eb 6901 case TARGET_F_GETLK64:
5813427b
TS		 6902#ifdef TARGET_ARM
6903 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6904 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6905 goto efault;
5813427b
TS		 6906 fl.l_type = tswap16(target_efl->l_type);
6907 fl.l_whence = tswap16(target_efl->l_whence);
6908 fl.l_start = tswap64(target_efl->l_start);
6909 fl.l_len = tswap64(target_efl->l_len);
7e22e546 6910 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 6911 unlock_user_struct(target_efl, arg3, 0);
6912 } else
6913#endif
6914 {
9ee1fa2c
FB		 6915 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6916 goto efault;
5813427b
TS		 6917 fl.l_type = tswap16(target_fl->l_type);
6918 fl.l_whence = tswap16(target_fl->l_whence);
6919 fl.l_start = tswap64(target_fl->l_start);
6920 fl.l_len = tswap64(target_fl->l_len);
7e22e546 6921 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 6922 unlock_user_struct(target_fl, arg3, 0);
6923 }
b1e341eb 6924 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6925 if (ret == 0) {
ce4defa0
PB		 6926#ifdef TARGET_ARM
6927 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6928 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6929 goto efault;
ce4defa0
PB		 6930 target_efl->l_type = tswap16(fl.l_type);
6931 target_efl->l_whence = tswap16(fl.l_whence);
6932 target_efl->l_start = tswap64(fl.l_start);
6933 target_efl->l_len = tswap64(fl.l_len);
7e22e546 6934 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 6935 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 6936 } else
6937#endif
6938 {
9ee1fa2c
FB		 6939 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6940 goto efault;
ce4defa0
PB		 6941 target_fl->l_type = tswap16(fl.l_type);
6942 target_fl->l_whence = tswap16(fl.l_whence);
6943 target_fl->l_start = tswap64(fl.l_start);
6944 target_fl->l_len = tswap64(fl.l_len);
7e22e546 6945 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 6946 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 6947 }
77e4672d
FB		 6948 }
6949 break;
6950
b1e341eb
TS		 6951 case TARGET_F_SETLK64:
6952 case TARGET_F_SETLKW64:
ce4defa0
PB		 6953#ifdef TARGET_ARM
6954 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6955 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6956 goto efault;
ce4defa0
PB		 6957 fl.l_type = tswap16(target_efl->l_type);
6958 fl.l_whence = tswap16(target_efl->l_whence);
6959 fl.l_start = tswap64(target_efl->l_start);
6960 fl.l_len = tswap64(target_efl->l_len);
7e22e546 6961 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 6962 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 6963 } else
6964#endif
6965 {
9ee1fa2c
FB		 6966 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6967 goto efault;
ce4defa0
PB		 6968 fl.l_type = tswap16(target_fl->l_type);
6969 fl.l_whence = tswap16(target_fl->l_whence);
6970 fl.l_start = tswap64(target_fl->l_start);
6971 fl.l_len = tswap64(target_fl->l_len);
7e22e546 6972 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 6973 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 6974 }
b1e341eb 6975 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6976 break;
60cd49d5 6977 default:
5f106811 6978 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 6979 break;
6980 }
77e4672d
FB		 6981 break;
6982 }
60cd49d5 6983#endif
7d600c80
TS		 6984#ifdef TARGET_NR_cacheflush
6985 case TARGET_NR_cacheflush:
6986 /* self-modifying code is handled automatically, so nothing needed */
6987 ret = 0;
6988 break;
6989#endif
ebc05488 6990#ifdef TARGET_NR_security
31e31b8a
FB		 6991 case TARGET_NR_security:
6992 goto unimplemented;
c573ff67
FB		 6993#endif
6994#ifdef TARGET_NR_getpagesize
6995 case TARGET_NR_getpagesize:
6996 ret = TARGET_PAGE_SIZE;
6997 break;
ebc05488 6998#endif
31e31b8a
FB		 6999 case TARGET_NR_gettid:
7000 ret = get_errno(gettid());
7001 break;
e5febef5 7002#ifdef TARGET_NR_readahead
31e31b8a 7003 case TARGET_NR_readahead:
2054ac9b
AJ		 7004#if TARGET_ABI_BITS == 32
7005#ifdef TARGET_ARM
7006 if (((CPUARMState *)cpu_env)->eabi)
7007 {
7008 arg2 = arg3;
7009 arg3 = arg4;
7010 arg4 = arg5;
7011 }
7012#endif
7013 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
7014#else
7015 ret = get_errno(readahead(arg1, arg2, arg3));
7016#endif
7017 break;
e5febef5 7018#endif
ebc05488 7019#ifdef TARGET_NR_setxattr
31e31b8a
FB		 7020 case TARGET_NR_setxattr:
7021 case TARGET_NR_lsetxattr:
7022 case TARGET_NR_fsetxattr:
7023 case TARGET_NR_getxattr:
7024 case TARGET_NR_lgetxattr:
7025 case TARGET_NR_fgetxattr:
7026 case TARGET_NR_listxattr:
7027 case TARGET_NR_llistxattr:
7028 case TARGET_NR_flistxattr:
7029 case TARGET_NR_removexattr:
7030 case TARGET_NR_lremovexattr:
7031 case TARGET_NR_fremovexattr:
6f932f91
AP		 7032 ret = -TARGET_EOPNOTSUPP;
7033 break;
ebc05488
FB		 7034#endif
7035#ifdef TARGET_NR_set_thread_area
5cd4393b 7036 case TARGET_NR_set_thread_area:
8d18e893 7037#if defined(TARGET_MIPS)
6f5b89a0
TS		 7038 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
7039 ret = 0;
7040 break;
ef96779b
EI		 7041#elif defined(TARGET_CRIS)
7042 if (arg1 & 0xff)
7043 ret = -TARGET_EINVAL;
7044 else {
7045 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
7046 ret = 0;
7047 }
7048 break;
8d18e893
FB		 7049#elif defined(TARGET_I386) && defined(TARGET_ABI32)
7050 ret = do_set_thread_area(cpu_env, arg1);
7051 break;
6f5b89a0
TS		 7052#else
7053 goto unimplemented_nowarn;
7054#endif
7055#endif
7056#ifdef TARGET_NR_get_thread_area
5cd4393b 7057 case TARGET_NR_get_thread_area:
8d18e893
FB		 7058#if defined(TARGET_I386) && defined(TARGET_ABI32)
7059 ret = do_get_thread_area(cpu_env, arg1);
7060#else
5cd4393b 7061 goto unimplemented_nowarn;
48dc41eb 7062#endif
8d18e893 7063#endif
48dc41eb
FB		 7064#ifdef TARGET_NR_getdomainname
7065 case TARGET_NR_getdomainname:
7066 goto unimplemented_nowarn;
ebc05488 7067#endif
6f5b89a0 7068
b5906f95
TS		 7069#ifdef TARGET_NR_clock_gettime
7070 case TARGET_NR_clock_gettime:
7071 {
7072 struct timespec ts;
7073 ret = get_errno(clock_gettime(arg1, &ts));
7074 if (!is_error(ret)) {
7075 host_to_target_timespec(arg2, &ts);
7076 }
7077 break;
7078 }
7079#endif
7080#ifdef TARGET_NR_clock_getres
7081 case TARGET_NR_clock_getres:
7082 {
7083 struct timespec ts;
7084 ret = get_errno(clock_getres(arg1, &ts));
7085 if (!is_error(ret)) {
7086 host_to_target_timespec(arg2, &ts);
7087 }
7088 break;
7089 }
7090#endif
63d7651b
PB		 7091#ifdef TARGET_NR_clock_nanosleep
7092 case TARGET_NR_clock_nanosleep:
7093 {
7094 struct timespec ts;
7095 target_to_host_timespec(&ts, arg3);
7096 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
7097 if (arg4)
7098 host_to_target_timespec(arg4, &ts);
7099 break;
7100 }
7101#endif
b5906f95 7102
6f5b89a0
TS		 7103#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
7104 case TARGET_NR_set_tid_address:
579a97f7
FB		 7105 ret = get_errno(set_tid_address((int *)g2h(arg1)));
7106 break;
6f5b89a0
TS		 7107#endif
7108
3ae43202 7109#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 7110 case TARGET_NR_tkill:
4cb05961 7111 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 7112 break;
7113#endif
7114
3ae43202 7115#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 7116 case TARGET_NR_tgkill:
4cb05961
PB		 7117 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
7118 target_to_host_signal(arg3)));
71455574
TS		 7119 break;
7120#endif
7121
4f2b1fe8
TS		 7122#ifdef TARGET_NR_set_robust_list
7123 case TARGET_NR_set_robust_list:
7124 goto unimplemented_nowarn;
7125#endif
7126
9007f0ef
TS		 7127#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
7128 case TARGET_NR_utimensat:
7129 {
ebc996f3
RV		 7130 struct timespec *tsp, ts[2];
7131 if (!arg3) {
7132 tsp = NULL;
7133 } else {
7134 target_to_host_timespec(ts, arg3);
7135 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
7136 tsp = ts;
7137 }
9007f0ef 7138 if (!arg2)
ebc996f3 7139 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 7140 else {
579a97f7 7141 if (!(p = lock_user_string(arg2))) {
0da46a6e 7142 ret = -TARGET_EFAULT;
579a97f7
FB		 7143 goto fail;
7144 }
ebc996f3 7145 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 7146 unlock_user(p, arg2, 0);
9007f0ef
TS		 7147 }
7148 }
7149 break;
7150#endif
2f7bb878 7151#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 7152 case TARGET_NR_futex:
7153 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
7154 break;
7155#endif
dbfe4c36 7156#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 7157 case TARGET_NR_inotify_init:
7158 ret = get_errno(sys_inotify_init());
7159 break;
7160#endif
a1606b0b 7161#ifdef CONFIG_INOTIFY1
c05c7a73
RV		 7162#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
7163 case TARGET_NR_inotify_init1:
7164 ret = get_errno(sys_inotify_init1(arg1));
7165 break;
7166#endif
a1606b0b 7167#endif
dbfe4c36 7168#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 7169 case TARGET_NR_inotify_add_watch:
7170 p = lock_user_string(arg2);
7171 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
7172 unlock_user(p, arg2, 0);
7173 break;
7174#endif
dbfe4c36 7175#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 7176 case TARGET_NR_inotify_rm_watch:
7177 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
7178 break;
7179#endif
9007f0ef 7180
8ec9cf89 7181#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 7182 case TARGET_NR_mq_open:
7183 {
7184 struct mq_attr posix_mq_attr;
7185
7186 p = lock_user_string(arg1 - 1);
7187 if (arg4 != 0)
7188 copy_from_user_mq_attr (&posix_mq_attr, arg4);
7189 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
7190 unlock_user (p, arg1, 0);
7191 }
7192 break;
7193
7194 case TARGET_NR_mq_unlink:
7195 p = lock_user_string(arg1 - 1);
7196 ret = get_errno(mq_unlink(p));
7197 unlock_user (p, arg1, 0);
7198 break;
7199
7200 case TARGET_NR_mq_timedsend:
7201 {
7202 struct timespec ts;
7203
7204 p = lock_user (VERIFY_READ, arg2, arg3, 1);
7205 if (arg5 != 0) {
7206 target_to_host_timespec(&ts, arg5);
7207 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
7208 host_to_target_timespec(arg5, &ts);
7209 }
7210 else
7211 ret = get_errno(mq_send(arg1, p, arg3, arg4));
7212 unlock_user (p, arg2, arg3);
7213 }
7214 break;
7215
7216 case TARGET_NR_mq_timedreceive:
7217 {
7218 struct timespec ts;
7219 unsigned int prio;
7220
7221 p = lock_user (VERIFY_READ, arg2, arg3, 1);
7222 if (arg5 != 0) {
7223 target_to_host_timespec(&ts, arg5);
7224 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
7225 host_to_target_timespec(arg5, &ts);
7226 }
7227 else
7228 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
7229 unlock_user (p, arg2, arg3);
7230 if (arg4 != 0)
7231 put_user_u32(prio, arg4);
7232 }
7233 break;
7234
7235 /* Not implemented for now... */
7236/* case TARGET_NR_mq_notify: */
7237/* break; */
7238
7239 case TARGET_NR_mq_getsetattr:
7240 {
7241 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
7242 ret = 0;
7243 if (arg3 != 0) {
7244 ret = mq_getattr(arg1, &posix_mq_attr_out);
7245 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
7246 }
7247 if (arg2 != 0) {
7248 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
7249 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
7250 }
7251
7252 }
7253 break;
7254#endif
7255
3ce34dfb 7256#ifdef CONFIG_SPLICE
7257#ifdef TARGET_NR_tee
7258 case TARGET_NR_tee:
7259 {
7260 ret = get_errno(tee(arg1,arg2,arg3,arg4));
7261 }
7262 break;
7263#endif
7264#ifdef TARGET_NR_splice
7265 case TARGET_NR_splice:
7266 {
7267 loff_t loff_in, loff_out;
7268 loff_t *ploff_in = NULL, *ploff_out = NULL;
7269 if(arg2) {
7270 get_user_u64(loff_in, arg2);
7271 ploff_in = &loff_in;
7272 }
7273 if(arg4) {
7274 get_user_u64(loff_out, arg2);
7275 ploff_out = &loff_out;
7276 }
7277 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
7278 }
7279 break;
7280#endif
7281#ifdef TARGET_NR_vmsplice
7282 case TARGET_NR_vmsplice:
7283 {
7284 int count = arg3;
7285 struct iovec *vec;
7286
7287 vec = alloca(count * sizeof(struct iovec));
7288 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
7289 goto efault;
7290 ret = get_errno(vmsplice(arg1, vec, count, arg4));
7291 unlock_iovec(vec, arg2, count, 0);
7292 }
7293 break;
7294#endif
7295#endif /* CONFIG_SPLICE */
c2882b96
RV		 7296#ifdef CONFIG_EVENTFD
7297#if defined(TARGET_NR_eventfd)
7298 case TARGET_NR_eventfd:
7299 ret = get_errno(eventfd(arg1, 0));
7300 break;
7301#endif
7302#if defined(TARGET_NR_eventfd2)
7303 case TARGET_NR_eventfd2:
7304 ret = get_errno(eventfd(arg1, arg2));
7305 break;
7306#endif
7307#endif /* CONFIG_EVENTFD */
d0927938
UH		 7308#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
7309 case TARGET_NR_fallocate:
7310 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
7311 break;
7312#endif
31e31b8a
FB		 7313 default:
7314 unimplemented:
5cd4393b 7315 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 7316#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 7317 unimplemented_nowarn:
80a9d035 7318#endif
0da46a6e 7319 ret = -TARGET_ENOSYS;
31e31b8a
FB		 7320 break;
7321 }
579a97f7 7322fail:
c573ff67 7323#ifdef DEBUG
0bf9e31a 7324 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 7325#endif
b92c47c1
TS		 7326 if(do_strace)
7327 print_syscall_ret(num, ret);
31e31b8a 7328 return ret;
579a97f7
FB		 7329efault:
7330 ret = -TARGET_EFAULT;
7331 goto fail;
31e31b8a 7332}
Qemu copy for testing