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linux-user: Implement sync_file_range{,2} syscalls
[mirror_qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
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
TY		 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 1376 case TARGET_SOL_SOCKET:
f3b974cd
JL		 1377 level = SOL_SOCKET;
1378 switch (optname) {
1379 /* These don't just return a single integer */
1380 case TARGET_SO_LINGER:
1381 case TARGET_SO_RCVTIMEO:
1382 case TARGET_SO_SNDTIMEO:
1383 case TARGET_SO_PEERCRED:
1384 case TARGET_SO_PEERNAME:
1385 goto unimplemented;
1386 /* Options with 'int' argument. */
1387 case TARGET_SO_DEBUG:
1388 optname = SO_DEBUG;
1389 goto int_case;
1390 case TARGET_SO_REUSEADDR:
1391 optname = SO_REUSEADDR;
1392 goto int_case;
1393 case TARGET_SO_TYPE:
1394 optname = SO_TYPE;
1395 goto int_case;
1396 case TARGET_SO_ERROR:
1397 optname = SO_ERROR;
1398 goto int_case;
1399 case TARGET_SO_DONTROUTE:
1400 optname = SO_DONTROUTE;
1401 goto int_case;
1402 case TARGET_SO_BROADCAST:
1403 optname = SO_BROADCAST;
1404 goto int_case;
1405 case TARGET_SO_SNDBUF:
1406 optname = SO_SNDBUF;
1407 goto int_case;
1408 case TARGET_SO_RCVBUF:
1409 optname = SO_RCVBUF;
1410 goto int_case;
1411 case TARGET_SO_KEEPALIVE:
1412 optname = SO_KEEPALIVE;
1413 goto int_case;
1414 case TARGET_SO_OOBINLINE:
1415 optname = SO_OOBINLINE;
1416 goto int_case;
1417 case TARGET_SO_NO_CHECK:
1418 optname = SO_NO_CHECK;
1419 goto int_case;
1420 case TARGET_SO_PRIORITY:
1421 optname = SO_PRIORITY;
1422 goto int_case;
1423#ifdef SO_BSDCOMPAT
1424 case TARGET_SO_BSDCOMPAT:
1425 optname = SO_BSDCOMPAT;
1426 goto int_case;
1427#endif
1428 case TARGET_SO_PASSCRED:
1429 optname = SO_PASSCRED;
1430 goto int_case;
1431 case TARGET_SO_TIMESTAMP:
1432 optname = SO_TIMESTAMP;
1433 goto int_case;
1434 case TARGET_SO_RCVLOWAT:
1435 optname = SO_RCVLOWAT;
1436 goto int_case;
8853f86e 1437 default:
2efbe911
FB		 1438 goto int_case;
1439 }
1440 break;
1441 case SOL_TCP:
1442 /* TCP options all take an 'int' value. */
1443 int_case:
2f619698
FB		 1444 if (get_user_u32(len, optlen))
1445 return -TARGET_EFAULT;
2efbe911 1446 if (len < 0)
0da46a6e 1447 return -TARGET_EINVAL;
2efbe911
FB		 1448 lv = sizeof(int);
1449 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1450 if (ret < 0)
1451 return ret;
2efbe911
FB		 1452 if (len > lv)
1453 len = lv;
2f619698
FB		 1454 if (len == 4) {
1455 if (put_user_u32(val, optval_addr))
1456 return -TARGET_EFAULT;
1457 } else {
1458 if (put_user_u8(val, optval_addr))
1459 return -TARGET_EFAULT;
f3b974cd 1460 }
2f619698
FB		 1461 if (put_user_u32(len, optlen))
1462 return -TARGET_EFAULT;
2efbe911
FB		 1463 break;
1464 case SOL_IP:
1465 switch(optname) {
1466 case IP_TOS:
1467 case IP_TTL:
1468 case IP_HDRINCL:
1469 case IP_ROUTER_ALERT:
1470 case IP_RECVOPTS:
1471 case IP_RETOPTS:
1472 case IP_PKTINFO:
1473 case IP_MTU_DISCOVER:
1474 case IP_RECVERR:
1475 case IP_RECVTOS:
1476#ifdef IP_FREEBIND
1477 case IP_FREEBIND:
1478#endif
1479 case IP_MULTICAST_TTL:
1480 case IP_MULTICAST_LOOP:
2f619698
FB		 1481 if (get_user_u32(len, optlen))
1482 return -TARGET_EFAULT;
8853f86e 1483 if (len < 0)
0da46a6e 1484 return -TARGET_EINVAL;
8853f86e
FB		 1485 lv = sizeof(int);
1486 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1487 if (ret < 0)
1488 return ret;
2efbe911 1489 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1490 len = 1;
2f619698
FB		 1491 if (put_user_u32(len, optlen)
1492 || put_user_u8(val, optval_addr))
1493 return -TARGET_EFAULT;
2efbe911 1494 } else {
2efbe911
FB		 1495 if (len > sizeof(int))
1496 len = sizeof(int);
2f619698
FB		 1497 if (put_user_u32(len, optlen)
1498 || put_user_u32(val, optval_addr))
1499 return -TARGET_EFAULT;
2efbe911 1500 }
8853f86e 1501 break;
2efbe911 1502 default:
c02f499e
TS		 1503 ret = -TARGET_ENOPROTOOPT;
1504 break;
8853f86e
FB		 1505 }
1506 break;
1507 default:
1508 unimplemented:
1509 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1510 level, optname);
c02f499e 1511 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1512 break;
1513 }
1514 return ret;
7854b056
FB		 1515}
1516
579a97f7
FB		 1517/* FIXME
1518 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1519 * other lock functions have a return code of 0 for failure.
1520 */
1521static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1522 int count, int copy)
53a5960a
PB		 1523{
1524 struct target_iovec *target_vec;
992f48a0 1525 abi_ulong base;
d732dcb4 1526 int i;
53a5960a 1527
579a97f7
FB		 1528 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1529 if (!target_vec)
1530 return -TARGET_EFAULT;
53a5960a
PB		 1531 for(i = 0;i < count; i++) {
1532 base = tswapl(target_vec[i].iov_base);
1533 vec[i].iov_len = tswapl(target_vec[i].iov_len);
41df8411
FB		 1534 if (vec[i].iov_len != 0) {
1535 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1536 /* Don't check lock_user return value. We must call writev even
1537 if a element has invalid base address. */
41df8411
FB		 1538 } else {
1539 /* zero length pointer is ignored */
1540 vec[i].iov_base = NULL;
1541 }
579a97f7
FB		 1542 }
1543 unlock_user (target_vec, target_addr, 0);
1544 return 0;
53a5960a
PB		 1545}
1546
579a97f7
FB		 1547static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1548 int count, int copy)
53a5960a
PB		 1549{
1550 struct target_iovec *target_vec;
992f48a0 1551 abi_ulong base;
53a5960a
PB		 1552 int i;
1553
579a97f7
FB		 1554 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1555 if (!target_vec)
1556 return -TARGET_EFAULT;
53a5960a 1557 for(i = 0;i < count; i++) {
d732dcb4
AZ		 1558 if (target_vec[i].iov_base) {
1559 base = tswapl(target_vec[i].iov_base);
1560 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1561 }
53a5960a
PB		 1562 }
1563 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1564
1565 return 0;
53a5960a
PB		 1566}
1567
0da46a6e 1568/* do_socket() Must return target values and target errnos. */
992f48a0 1569static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1570{
1571#if defined(TARGET_MIPS)
1572 switch(type) {
1573 case TARGET_SOCK_DGRAM:
1574 type = SOCK_DGRAM;
1575 break;
1576 case TARGET_SOCK_STREAM:
1577 type = SOCK_STREAM;
1578 break;
1579 case TARGET_SOCK_RAW:
1580 type = SOCK_RAW;
1581 break;
1582 case TARGET_SOCK_RDM:
1583 type = SOCK_RDM;
1584 break;
1585 case TARGET_SOCK_SEQPACKET:
1586 type = SOCK_SEQPACKET;
1587 break;
1588 case TARGET_SOCK_PACKET:
1589 type = SOCK_PACKET;
1590 break;
1591 }
1592#endif
12bc92ab
AZ		 1593 if (domain == PF_NETLINK)
1594 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1595 return get_errno(socket(domain, type, protocol));
1596}
1597
0da46a6e 1598/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1599static abi_long do_bind(int sockfd, abi_ulong target_addr,
1600 socklen_t addrlen)
3532fa74 1601{
8f7aeaf6 1602 void *addr;
917507b0 1603 abi_long ret;
8f7aeaf6 1604
38724253 1605 if ((int)addrlen < 0) {
8f7aeaf6 1606 return -TARGET_EINVAL;
38724253 1607 }
8f7aeaf6 1608
607175e0 1609 addr = alloca(addrlen+1);
3b46e624 1610
917507b0
AP		 1611 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1612 if (ret)
1613 return ret;
1614
3532fa74
FB		 1615 return get_errno(bind(sockfd, addr, addrlen));
1616}
1617
0da46a6e 1618/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1619static abi_long do_connect(int sockfd, abi_ulong target_addr,
1620 socklen_t addrlen)
3532fa74 1621{
8f7aeaf6 1622 void *addr;
917507b0 1623 abi_long ret;
8f7aeaf6 1624
38724253 1625 if ((int)addrlen < 0) {
8f7aeaf6 1626 return -TARGET_EINVAL;
38724253 1627 }
8f7aeaf6
AJ		 1628
1629 addr = alloca(addrlen);
3b46e624 1630
917507b0
AP		 1631 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1632 if (ret)
1633 return ret;
1634
3532fa74
FB		 1635 return get_errno(connect(sockfd, addr, addrlen));
1636}
1637
0da46a6e 1638/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1639static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1640 int flags, int send)
3532fa74 1641{
6de645c7 1642 abi_long ret, len;
3532fa74
FB		 1643 struct target_msghdr *msgp;
1644 struct msghdr msg;
1645 int count;
1646 struct iovec *vec;
992f48a0 1647 abi_ulong target_vec;
3532fa74 1648
579a97f7
FB		 1649 /* FIXME */
1650 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1651 msgp,
1652 target_msg,
1653 send ? 1 : 0))
1654 return -TARGET_EFAULT;
3532fa74
FB		 1655 if (msgp->msg_name) {
1656 msg.msg_namelen = tswap32(msgp->msg_namelen);
1657 msg.msg_name = alloca(msg.msg_namelen);
917507b0 1658 ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
3532fa74 1659 msg.msg_namelen);
917507b0
AP		 1660 if (ret) {
1661 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1662 return ret;
1663 }
3532fa74
FB		 1664 } else {
1665 msg.msg_name = NULL;
1666 msg.msg_namelen = 0;
1667 }
1668 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1669 msg.msg_control = alloca(msg.msg_controllen);
1670 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1671
3532fa74
FB		 1672 count = tswapl(msgp->msg_iovlen);
1673 vec = alloca(count * sizeof(struct iovec));
1674 target_vec = tswapl(msgp->msg_iov);
579a97f7 1675 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1676 msg.msg_iovlen = count;
1677 msg.msg_iov = vec;
3b46e624 1678
3532fa74 1679 if (send) {
5a4a898d
FB		 1680 ret = target_to_host_cmsg(&msg, msgp);
1681 if (ret == 0)
1682 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1683 } else {
1684 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1685 if (!is_error(ret)) {
1686 len = ret;
5a4a898d 1687 ret = host_to_target_cmsg(msgp, &msg);
6de645c7
AZ		 1688 if (!is_error(ret))
1689 ret = len;
1690 }
3532fa74
FB		 1691 }
1692 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1693 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1694 return ret;
1695}
1696
0da46a6e 1697/* do_accept() Must return target values and target errnos. */
992f48a0 1698static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1699 abi_ulong target_addrlen_addr)
1be9e1dc 1700{
2f619698
FB		 1701 socklen_t addrlen;
1702 void *addr;
992f48a0 1703 abi_long ret;
1be9e1dc 1704
917507b0
AP		 1705 if (target_addr == 0)
1706 return get_errno(accept(fd, NULL, NULL));
1707
1708 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 1709 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 1710 return -TARGET_EINVAL;
2f619698 1711
38724253 1712 if ((int)addrlen < 0) {
8f7aeaf6 1713 return -TARGET_EINVAL;
38724253 1714 }
8f7aeaf6 1715
917507b0
AP		 1716 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1717 return -TARGET_EINVAL;
1718
2f619698
FB		 1719 addr = alloca(addrlen);
1720
1be9e1dc
PB		 1721 ret = get_errno(accept(fd, addr, &addrlen));
1722 if (!is_error(ret)) {
1723 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1724 if (put_user_u32(addrlen, target_addrlen_addr))
1725 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1726 }
1727 return ret;
1728}
1729
0da46a6e 1730/* do_getpeername() Must return target values and target errnos. */
992f48a0 1731static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1732 abi_ulong target_addrlen_addr)
1be9e1dc 1733{
2f619698
FB		 1734 socklen_t addrlen;
1735 void *addr;
992f48a0 1736 abi_long ret;
1be9e1dc 1737
2f619698
FB		 1738 if (get_user_u32(addrlen, target_addrlen_addr))
1739 return -TARGET_EFAULT;
1740
38724253 1741 if ((int)addrlen < 0) {
8f7aeaf6 1742 return -TARGET_EINVAL;
38724253 1743 }
8f7aeaf6 1744
917507b0
AP		 1745 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1746 return -TARGET_EFAULT;
1747
2f619698
FB		 1748 addr = alloca(addrlen);
1749
1be9e1dc
PB		 1750 ret = get_errno(getpeername(fd, addr, &addrlen));
1751 if (!is_error(ret)) {
1752 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1753 if (put_user_u32(addrlen, target_addrlen_addr))
1754 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1755 }
1756 return ret;
1757}
1758
0da46a6e 1759/* do_getsockname() Must return target values and target errnos. */
992f48a0 1760static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1761 abi_ulong target_addrlen_addr)
1be9e1dc 1762{
2f619698
FB		 1763 socklen_t addrlen;
1764 void *addr;
992f48a0 1765 abi_long ret;
1be9e1dc 1766
2f619698
FB		 1767 if (get_user_u32(addrlen, target_addrlen_addr))
1768 return -TARGET_EFAULT;
1769
38724253 1770 if ((int)addrlen < 0) {
8f7aeaf6 1771 return -TARGET_EINVAL;
38724253 1772 }
8f7aeaf6 1773
917507b0
AP		 1774 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1775 return -TARGET_EFAULT;
1776
2f619698
FB		 1777 addr = alloca(addrlen);
1778
1be9e1dc
PB		 1779 ret = get_errno(getsockname(fd, addr, &addrlen));
1780 if (!is_error(ret)) {
1781 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1782 if (put_user_u32(addrlen, target_addrlen_addr))
1783 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1784 }
1785 return ret;
1786}
1787
0da46a6e 1788/* do_socketpair() Must return target values and target errnos. */
992f48a0 1789static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1790 abi_ulong target_tab_addr)
1be9e1dc
PB		 1791{
1792 int tab[2];
992f48a0 1793 abi_long ret;
1be9e1dc
PB		 1794
1795 ret = get_errno(socketpair(domain, type, protocol, tab));
1796 if (!is_error(ret)) {
2f619698
FB		 1797 if (put_user_s32(tab[0], target_tab_addr)
1798 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1799 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1800 }
1801 return ret;
1802}
1803
0da46a6e 1804/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1805static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1806 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1807{
1808 void *addr;
1809 void *host_msg;
992f48a0 1810 abi_long ret;
1be9e1dc 1811
38724253 1812 if ((int)addrlen < 0) {
8f7aeaf6 1813 return -TARGET_EINVAL;
38724253 1814 }
8f7aeaf6 1815
579a97f7
FB		 1816 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1817 if (!host_msg)
1818 return -TARGET_EFAULT;
1be9e1dc
PB		 1819 if (target_addr) {
1820 addr = alloca(addrlen);
917507b0
AP		 1821 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1822 if (ret) {
1823 unlock_user(host_msg, msg, 0);
1824 return ret;
1825 }
1be9e1dc
PB		 1826 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1827 } else {
1828 ret = get_errno(send(fd, host_msg, len, flags));
1829 }
1830 unlock_user(host_msg, msg, 0);
1831 return ret;
1832}
1833
0da46a6e 1834/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 1835static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1836 abi_ulong target_addr,
1837 abi_ulong target_addrlen)
1be9e1dc
PB		 1838{
1839 socklen_t addrlen;
1840 void *addr;
1841 void *host_msg;
992f48a0 1842 abi_long ret;
1be9e1dc 1843
579a97f7
FB		 1844 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1845 if (!host_msg)
1846 return -TARGET_EFAULT;
1be9e1dc 1847 if (target_addr) {
2f619698
FB		 1848 if (get_user_u32(addrlen, target_addrlen)) {
1849 ret = -TARGET_EFAULT;
1850 goto fail;
1851 }
38724253 1852 if ((int)addrlen < 0) {
8f7aeaf6
AJ		 1853 ret = -TARGET_EINVAL;
1854 goto fail;
1855 }
1be9e1dc
PB		 1856 addr = alloca(addrlen);
1857 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1858 } else {
1859 addr = NULL; /* To keep compiler quiet. */
1860 ret = get_errno(recv(fd, host_msg, len, flags));
1861 }
1862 if (!is_error(ret)) {
1863 if (target_addr) {
1864 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1865 if (put_user_u32(addrlen, target_addrlen)) {
1866 ret = -TARGET_EFAULT;
1867 goto fail;
1868 }
1be9e1dc
PB		 1869 }
1870 unlock_user(host_msg, msg, len);
1871 } else {
2f619698 1872fail:
1be9e1dc
PB		 1873 unlock_user(host_msg, msg, 0);
1874 }
1875 return ret;
1876}
1877
32407103 1878#ifdef TARGET_NR_socketcall
0da46a6e 1879/* do_socketcall() Must return target values and target errnos. */
992f48a0 1880static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 1881{
992f48a0
BS		 1882 abi_long ret;
1883 const int n = sizeof(abi_ulong);
31e31b8a
FB		 1884
1885 switch(num) {
1886 case SOCKOP_socket:
7854b056 1887 {
98818189 1888 abi_ulong domain, type, protocol;
2f619698 1889
98818189
UH		 1890 if (get_user_ual(domain, vptr)
1891 || get_user_ual(type, vptr + n)
1892 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 1893 return -TARGET_EFAULT;
1894
3532fa74 1895 ret = do_socket(domain, type, protocol);
7854b056 1896 }
31e31b8a
FB		 1897 break;
1898 case SOCKOP_bind:
7854b056 1899 {
98818189 1900 abi_ulong sockfd;
2f619698
FB		 1901 abi_ulong target_addr;
1902 socklen_t addrlen;
1903
98818189 1904 if (get_user_ual(sockfd, vptr)
2f619698 1905 || get_user_ual(target_addr, vptr + n)
98818189 1906 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1907 return -TARGET_EFAULT;
1908
3532fa74 1909 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1910 }
31e31b8a
FB		 1911 break;
1912 case SOCKOP_connect:
7854b056 1913 {
98818189 1914 abi_ulong sockfd;
2f619698
FB		 1915 abi_ulong target_addr;
1916 socklen_t addrlen;
1917
98818189 1918 if (get_user_ual(sockfd, vptr)
2f619698 1919 || get_user_ual(target_addr, vptr + n)
98818189 1920 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1921 return -TARGET_EFAULT;
1922
3532fa74 1923 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1924 }
31e31b8a
FB		 1925 break;
1926 case SOCKOP_listen:
7854b056 1927 {
98818189 1928 abi_ulong sockfd, backlog;
2f619698 1929
98818189
UH		 1930 if (get_user_ual(sockfd, vptr)
1931 || get_user_ual(backlog, vptr + n))
2f619698
FB		 1932 return -TARGET_EFAULT;
1933
7854b056
FB		 1934 ret = get_errno(listen(sockfd, backlog));
1935 }
31e31b8a
FB		 1936 break;
1937 case SOCKOP_accept:
1938 {
98818189 1939 abi_ulong sockfd;
2f619698
FB		 1940 abi_ulong target_addr, target_addrlen;
1941
98818189 1942 if (get_user_ual(sockfd, vptr)
2f619698 1943 || get_user_ual(target_addr, vptr + n)
98818189 1944 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1945 return -TARGET_EFAULT;
1946
1be9e1dc 1947 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1948 }
1949 break;
1950 case SOCKOP_getsockname:
1951 {
98818189 1952 abi_ulong sockfd;
2f619698
FB		 1953 abi_ulong target_addr, target_addrlen;
1954
98818189 1955 if (get_user_ual(sockfd, vptr)
2f619698 1956 || get_user_ual(target_addr, vptr + n)
98818189 1957 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1958 return -TARGET_EFAULT;
1959
1be9e1dc 1960 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1961 }
1962 break;
1963 case SOCKOP_getpeername:
1964 {
98818189 1965 abi_ulong sockfd;
2f619698
FB		 1966 abi_ulong target_addr, target_addrlen;
1967
98818189 1968 if (get_user_ual(sockfd, vptr)
2f619698 1969 || get_user_ual(target_addr, vptr + n)
98818189 1970 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1971 return -TARGET_EFAULT;
1972
1be9e1dc 1973 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1974 }
1975 break;
1976 case SOCKOP_socketpair:
1977 {
98818189 1978 abi_ulong domain, type, protocol;
2f619698
FB		 1979 abi_ulong tab;
1980
98818189
UH		 1981 if (get_user_ual(domain, vptr)
1982 || get_user_ual(type, vptr + n)
1983 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 1984 || get_user_ual(tab, vptr + 3 * n))
1985 return -TARGET_EFAULT;
1986
1be9e1dc 1987 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1988 }
1989 break;
1990 case SOCKOP_send:
7854b056 1991 {
98818189 1992 abi_ulong sockfd;
2f619698
FB		 1993 abi_ulong msg;
1994 size_t len;
98818189 1995 abi_ulong flags;
2f619698 1996
98818189 1997 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1998 || get_user_ual(msg, vptr + n)
1999 || get_user_ual(len, vptr + 2 * n)
98818189 2000 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2001 return -TARGET_EFAULT;
2002
1be9e1dc 2003 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 2004 }
31e31b8a
FB		 2005 break;
2006 case SOCKOP_recv:
7854b056 2007 {
98818189 2008 abi_ulong sockfd;
2f619698
FB		 2009 abi_ulong msg;
2010 size_t len;
98818189 2011 abi_ulong flags;
2f619698 2012
98818189 2013 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2014 || get_user_ual(msg, vptr + n)
2015 || get_user_ual(len, vptr + 2 * n)
98818189 2016 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 2017 return -TARGET_EFAULT;
2018
1be9e1dc 2019 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 2020 }
31e31b8a
FB		 2021 break;
2022 case SOCKOP_sendto:
7854b056 2023 {
98818189 2024 abi_ulong sockfd;
2f619698
FB		 2025 abi_ulong msg;
2026 size_t len;
98818189 2027 abi_ulong flags;
2f619698
FB		 2028 abi_ulong addr;
2029 socklen_t addrlen;
2030
98818189 2031 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2032 || get_user_ual(msg, vptr + n)
2033 || get_user_ual(len, vptr + 2 * n)
98818189 2034 || get_user_ual(flags, vptr + 3 * n)
2f619698 2035 || get_user_ual(addr, vptr + 4 * n)
98818189 2036 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2037 return -TARGET_EFAULT;
2038
1be9e1dc 2039 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 2040 }
31e31b8a
FB		 2041 break;
2042 case SOCKOP_recvfrom:
2043 {
98818189 2044 abi_ulong sockfd;
2f619698
FB		 2045 abi_ulong msg;
2046 size_t len;
98818189 2047 abi_ulong flags;
2f619698
FB		 2048 abi_ulong addr;
2049 socklen_t addrlen;
2050
98818189 2051 if (get_user_ual(sockfd, vptr)
2f619698
FB		 2052 || get_user_ual(msg, vptr + n)
2053 || get_user_ual(len, vptr + 2 * n)
98818189 2054 || get_user_ual(flags, vptr + 3 * n)
2f619698 2055 || get_user_ual(addr, vptr + 4 * n)
98818189 2056 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 2057 return -TARGET_EFAULT;
2058
1be9e1dc 2059 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 2060 }
2061 break;
2062 case SOCKOP_shutdown:
7854b056 2063 {
98818189 2064 abi_ulong sockfd, how;
2f619698 2065
98818189
UH		 2066 if (get_user_ual(sockfd, vptr)
2067 || get_user_ual(how, vptr + n))
2f619698 2068 return -TARGET_EFAULT;
7854b056
FB		 2069
2070 ret = get_errno(shutdown(sockfd, how));
2071 }
31e31b8a
FB		 2072 break;
2073 case SOCKOP_sendmsg:
2074 case SOCKOP_recvmsg:
1a9353d2 2075 {
98818189 2076 abi_ulong fd;
992f48a0 2077 abi_ulong target_msg;
98818189 2078 abi_ulong flags;
1a9353d2 2079
98818189 2080 if (get_user_ual(fd, vptr)
2f619698 2081 || get_user_ual(target_msg, vptr + n)
98818189 2082 || get_user_ual(flags, vptr + 2 * n))
2f619698 2083 return -TARGET_EFAULT;
3532fa74 2084
5fafdf24 2085 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 2086 (num == SOCKOP_sendmsg));
1a9353d2
FB		 2087 }
2088 break;
31e31b8a 2089 case SOCKOP_setsockopt:
7854b056 2090 {
98818189
UH		 2091 abi_ulong sockfd;
2092 abi_ulong level;
2093 abi_ulong optname;
2f619698
FB		 2094 abi_ulong optval;
2095 socklen_t optlen;
2096
98818189
UH		 2097 if (get_user_ual(sockfd, vptr)
2098 || get_user_ual(level, vptr + n)
2099 || get_user_ual(optname, vptr + 2 * n)
2f619698 2100 || get_user_ual(optval, vptr + 3 * n)
98818189 2101 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2102 return -TARGET_EFAULT;
7854b056
FB		 2103
2104 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2105 }
2106 break;
31e31b8a 2107 case SOCKOP_getsockopt:
7854b056 2108 {
98818189
UH		 2109 abi_ulong sockfd;
2110 abi_ulong level;
2111 abi_ulong optname;
2f619698
FB		 2112 abi_ulong optval;
2113 socklen_t optlen;
2114
98818189
UH		 2115 if (get_user_ual(sockfd, vptr)
2116 || get_user_ual(level, vptr + n)
2117 || get_user_ual(optname, vptr + 2 * n)
2f619698 2118 || get_user_ual(optval, vptr + 3 * n)
98818189 2119 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2120 return -TARGET_EFAULT;
7854b056 2121
2f619698 2122 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2123 }
2124 break;
31e31b8a
FB		 2125 default:
2126 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2127 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2128 break;
2129 }
2130 return ret;
2131}
32407103 2132#endif
31e31b8a 2133
8853f86e
FB		 2134#define N_SHM_REGIONS 32
2135
2136static struct shm_region {
5a4a898d
FB		 2137 abi_ulong start;
2138 abi_ulong size;
8853f86e
FB		 2139} shm_regions[N_SHM_REGIONS];
2140
3eb6b044
TS		 2141struct target_ipc_perm
2142{
992f48a0
BS		 2143 abi_long __key;
2144 abi_ulong uid;
2145 abi_ulong gid;
2146 abi_ulong cuid;
2147 abi_ulong cgid;
3eb6b044
TS		 2148 unsigned short int mode;
2149 unsigned short int __pad1;
2150 unsigned short int __seq;
2151 unsigned short int __pad2;
992f48a0
BS		 2152 abi_ulong __unused1;
2153 abi_ulong __unused2;
3eb6b044
TS		 2154};
2155
2156struct target_semid_ds
2157{
2158 struct target_ipc_perm sem_perm;
992f48a0
BS		 2159 abi_ulong sem_otime;
2160 abi_ulong __unused1;
2161 abi_ulong sem_ctime;
2162 abi_ulong __unused2;
2163 abi_ulong sem_nsems;
2164 abi_ulong __unused3;
2165 abi_ulong __unused4;
3eb6b044
TS		 2166};
2167
579a97f7
FB		 2168static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2169 abi_ulong target_addr)
3eb6b044
TS		 2170{
2171 struct target_ipc_perm *target_ip;
2172 struct target_semid_ds *target_sd;
2173
579a97f7
FB		 2174 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2175 return -TARGET_EFAULT;
e8bbe36c 2176 target_ip = &(target_sd->sem_perm);
3eb6b044
TS		 2177 host_ip->__key = tswapl(target_ip->__key);
2178 host_ip->uid = tswapl(target_ip->uid);
2179 host_ip->gid = tswapl(target_ip->gid);
2180 host_ip->cuid = tswapl(target_ip->cuid);
2181 host_ip->cgid = tswapl(target_ip->cgid);
2182 host_ip->mode = tswapl(target_ip->mode);
2183 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2184 return 0;
3eb6b044
TS		 2185}
2186
579a97f7
FB		 2187static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2188 struct ipc_perm *host_ip)
3eb6b044
TS		 2189{
2190 struct target_ipc_perm *target_ip;
2191 struct target_semid_ds *target_sd;
2192
579a97f7
FB		 2193 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2194 return -TARGET_EFAULT;
3eb6b044
TS		 2195 target_ip = &(target_sd->sem_perm);
2196 target_ip->__key = tswapl(host_ip->__key);
2197 target_ip->uid = tswapl(host_ip->uid);
2198 target_ip->gid = tswapl(host_ip->gid);
2199 target_ip->cuid = tswapl(host_ip->cuid);
2200 target_ip->cgid = tswapl(host_ip->cgid);
2201 target_ip->mode = tswapl(host_ip->mode);
2202 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2203 return 0;
3eb6b044
TS		 2204}
2205
579a97f7
FB		 2206static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2207 abi_ulong target_addr)
3eb6b044
TS		 2208{
2209 struct target_semid_ds *target_sd;
2210
579a97f7
FB		 2211 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2212 return -TARGET_EFAULT;
e5289087
AJ		 2213 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2214 return -TARGET_EFAULT;
3eb6b044
TS		 2215 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2216 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2217 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2218 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2219 return 0;
3eb6b044
TS		 2220}
2221
579a97f7
FB		 2222static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2223 struct semid_ds *host_sd)
3eb6b044
TS		 2224{
2225 struct target_semid_ds *target_sd;
2226
579a97f7
FB		 2227 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2228 return -TARGET_EFAULT;
e5289087
AJ		 2229 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2230 return -TARGET_EFAULT;;
3eb6b044
TS		 2231 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2232 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2233 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2234 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2235 return 0;
3eb6b044
TS		 2236}
2237
e5289087
AJ		 2238struct target_seminfo {
2239 int semmap;
2240 int semmni;
2241 int semmns;
2242 int semmnu;
2243 int semmsl;
2244 int semopm;
2245 int semume;
2246 int semusz;
2247 int semvmx;
2248 int semaem;
2249};
2250
2251static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2252 struct seminfo *host_seminfo)
2253{
2254 struct target_seminfo *target_seminfo;
2255 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2256 return -TARGET_EFAULT;
2257 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2258 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2259 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2260 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2261 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2262 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2263 __put_user(host_seminfo->semume, &target_seminfo->semume);
2264 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2265 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2266 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2267 unlock_user_struct(target_seminfo, target_addr, 1);
2268 return 0;
2269}
2270
fa294816
TS		 2271union semun {
2272 int val;
3eb6b044 2273 struct semid_ds *buf;
fa294816 2274 unsigned short *array;
e5289087 2275 struct seminfo *__buf;
fa294816
TS		 2276};
2277
3eb6b044
TS		 2278union target_semun {
2279 int val;
e5289087
AJ		 2280 abi_ulong buf;
2281 abi_ulong array;
2282 abi_ulong __buf;
3eb6b044
TS		 2283};
2284
e5289087
AJ		 2285static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2286 abi_ulong target_addr)
3eb6b044 2287{
e5289087
AJ		 2288 int nsems;
2289 unsigned short *array;
2290 union semun semun;
2291 struct semid_ds semid_ds;
2292 int i, ret;
3eb6b044 2293
e5289087
AJ		 2294 semun.buf = &semid_ds;
2295
2296 ret = semctl(semid, 0, IPC_STAT, semun);
2297 if (ret == -1)
2298 return get_errno(ret);
2299
2300 nsems = semid_ds.sem_nsems;
2301
2302 *host_array = malloc(nsems*sizeof(unsigned short));
2303 array = lock_user(VERIFY_READ, target_addr,
2304 nsems*sizeof(unsigned short), 1);
2305 if (!array)
2306 return -TARGET_EFAULT;
2307
2308 for(i=0; i<nsems; i++) {
2309 __get_user((*host_array)[i], &array[i]);
3eb6b044 2310 }
e5289087
AJ		 2311 unlock_user(array, target_addr, 0);
2312
579a97f7 2313 return 0;
3eb6b044
TS		 2314}
2315
e5289087
AJ		 2316static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2317 unsigned short **host_array)
3eb6b044 2318{
e5289087
AJ		 2319 int nsems;
2320 unsigned short *array;
2321 union semun semun;
2322 struct semid_ds semid_ds;
2323 int i, ret;
3eb6b044 2324
e5289087
AJ		 2325 semun.buf = &semid_ds;
2326
2327 ret = semctl(semid, 0, IPC_STAT, semun);
2328 if (ret == -1)
2329 return get_errno(ret);
2330
2331 nsems = semid_ds.sem_nsems;
2332
2333 array = lock_user(VERIFY_WRITE, target_addr,
2334 nsems*sizeof(unsigned short), 0);
2335 if (!array)
2336 return -TARGET_EFAULT;
2337
2338 for(i=0; i<nsems; i++) {
2339 __put_user((*host_array)[i], &array[i]);
3eb6b044 2340 }
e5289087
AJ		 2341 free(*host_array);
2342 unlock_user(array, target_addr, 1);
2343
579a97f7 2344 return 0;
3eb6b044
TS		 2345}
2346
e5289087
AJ		 2347static inline abi_long do_semctl(int semid, int semnum, int cmd,
2348 union target_semun target_su)
3eb6b044
TS		 2349{
2350 union semun arg;
2351 struct semid_ds dsarg;
7b8118e8 2352 unsigned short *array = NULL;
e5289087
AJ		 2353 struct seminfo seminfo;
2354 abi_long ret = -TARGET_EINVAL;
2355 abi_long err;
2356 cmd &= 0xff;
3eb6b044
TS		 2357
2358 switch( cmd ) {
2359 case GETVAL:
3eb6b044 2360 case SETVAL:
e5289087
AJ		 2361 arg.val = tswapl(target_su.val);
2362 ret = get_errno(semctl(semid, semnum, cmd, arg));
2363 target_su.val = tswapl(arg.val);
3eb6b044
TS		 2364 break;
2365 case GETALL:
3eb6b044 2366 case SETALL:
e5289087
AJ		 2367 err = target_to_host_semarray(semid, &array, target_su.array);
2368 if (err)
2369 return err;
2370 arg.array = array;
2371 ret = get_errno(semctl(semid, semnum, cmd, arg));
2372 err = host_to_target_semarray(semid, target_su.array, &array);
2373 if (err)
2374 return err;
3eb6b044
TS		 2375 break;
2376 case IPC_STAT:
3eb6b044 2377 case IPC_SET:
e5289087
AJ		 2378 case SEM_STAT:
2379 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2380 if (err)
2381 return err;
2382 arg.buf = &dsarg;
2383 ret = get_errno(semctl(semid, semnum, cmd, arg));
2384 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2385 if (err)
2386 return err;
2387 break;
2388 case IPC_INFO:
2389 case SEM_INFO:
2390 arg.__buf = &seminfo;
2391 ret = get_errno(semctl(semid, semnum, cmd, arg));
2392 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2393 if (err)
2394 return err;
2395 break;
2396 case IPC_RMID:
2397 case GETPID:
2398 case GETNCNT:
2399 case GETZCNT:
2400 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2401 break;
3eb6b044
TS		 2402 }
2403
2404 return ret;
2405}
2406
e5289087
AJ		 2407struct target_sembuf {
2408 unsigned short sem_num;
2409 short sem_op;
2410 short sem_flg;
2411};
2412
2413static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2414 abi_ulong target_addr,
2415 unsigned nsops)
2416{
2417 struct target_sembuf *target_sembuf;
2418 int i;
2419
2420 target_sembuf = lock_user(VERIFY_READ, target_addr,
2421 nsops*sizeof(struct target_sembuf), 1);
2422 if (!target_sembuf)
2423 return -TARGET_EFAULT;
2424
2425 for(i=0; i<nsops; i++) {
2426 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2427 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2428 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2429 }
2430
2431 unlock_user(target_sembuf, target_addr, 0);
2432
2433 return 0;
2434}
2435
2436static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2437{
2438 struct sembuf sops[nsops];
2439
2440 if (target_to_host_sembuf(sops, ptr, nsops))
2441 return -TARGET_EFAULT;
2442
2443 return semop(semid, sops, nsops);
2444}
2445
1bc012f6
TS		 2446struct target_msqid_ds
2447{
1c54ff97
AJ		 2448 struct target_ipc_perm msg_perm;
2449 abi_ulong msg_stime;
2450#if TARGET_ABI_BITS == 32
2451 abi_ulong __unused1;
2452#endif
2453 abi_ulong msg_rtime;
2454#if TARGET_ABI_BITS == 32
2455 abi_ulong __unused2;
2456#endif
2457 abi_ulong msg_ctime;
2458#if TARGET_ABI_BITS == 32
2459 abi_ulong __unused3;
2460#endif
2461 abi_ulong __msg_cbytes;
2462 abi_ulong msg_qnum;
2463 abi_ulong msg_qbytes;
2464 abi_ulong msg_lspid;
2465 abi_ulong msg_lrpid;
2466 abi_ulong __unused4;
2467 abi_ulong __unused5;
1bc012f6
TS		 2468};
2469
579a97f7
FB		 2470static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2471 abi_ulong target_addr)
1bc012f6
TS		 2472{
2473 struct target_msqid_ds *target_md;
2474
579a97f7
FB		 2475 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2476 return -TARGET_EFAULT;
1c54ff97
AJ		 2477 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2478 return -TARGET_EFAULT;
1bc012f6
TS		 2479 host_md->msg_stime = tswapl(target_md->msg_stime);
2480 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2481 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2482 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2483 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2484 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2485 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2486 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2487 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2488 return 0;
1bc012f6
TS		 2489}
2490
579a97f7
FB		 2491static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2492 struct msqid_ds *host_md)
1bc012f6
TS		 2493{
2494 struct target_msqid_ds *target_md;
2495
579a97f7
FB		 2496 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2497 return -TARGET_EFAULT;
1c54ff97
AJ		 2498 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2499 return -TARGET_EFAULT;
1bc012f6
TS		 2500 target_md->msg_stime = tswapl(host_md->msg_stime);
2501 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2502 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2503 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2504 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2505 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2506 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2507 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2508 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2509 return 0;
1bc012f6
TS		 2510}
2511
1c54ff97
AJ		 2512struct target_msginfo {
2513 int msgpool;
2514 int msgmap;
2515 int msgmax;
2516 int msgmnb;
2517 int msgmni;
2518 int msgssz;
2519 int msgtql;
2520 unsigned short int msgseg;
2521};
2522
2523static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2524 struct msginfo *host_msginfo)
2525{
2526 struct target_msginfo *target_msginfo;
2527 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2528 return -TARGET_EFAULT;
2529 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2530 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2531 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2532 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2533 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2534 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2535 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2536 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2537 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2538 return 0;
1c54ff97
AJ		 2539}
2540
2541static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2542{
2543 struct msqid_ds dsarg;
1c54ff97
AJ		 2544 struct msginfo msginfo;
2545 abi_long ret = -TARGET_EINVAL;
2546
2547 cmd &= 0xff;
2548
2549 switch (cmd) {
1bc012f6
TS		 2550 case IPC_STAT:
2551 case IPC_SET:
1c54ff97
AJ		 2552 case MSG_STAT:
2553 if (target_to_host_msqid_ds(&dsarg,ptr))
2554 return -TARGET_EFAULT;
2555 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2556 if (host_to_target_msqid_ds(ptr,&dsarg))
2557 return -TARGET_EFAULT;
2558 break;
2559 case IPC_RMID:
2560 ret = get_errno(msgctl(msgid, cmd, NULL));
2561 break;
2562 case IPC_INFO:
2563 case MSG_INFO:
2564 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2565 if (host_to_target_msginfo(ptr, &msginfo))
2566 return -TARGET_EFAULT;
2567 break;
1bc012f6 2568 }
1c54ff97 2569
1bc012f6
TS		 2570 return ret;
2571}
2572
2573struct target_msgbuf {
1c54ff97
AJ		 2574 abi_long mtype;
2575 char mtext[1];
1bc012f6
TS		 2576};
2577
992f48a0
BS		 2578static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2579 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2580{
2581 struct target_msgbuf *target_mb;
2582 struct msgbuf *host_mb;
992f48a0 2583 abi_long ret = 0;
1bc012f6 2584
579a97f7
FB		 2585 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2586 return -TARGET_EFAULT;
1bc012f6 2587 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2588 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2589 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2590 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2591 free(host_mb);
2592 unlock_user_struct(target_mb, msgp, 0);
2593
2594 return ret;
2595}
2596
992f48a0 2597static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2598 unsigned int msgsz, abi_long msgtyp,
992f48a0 2599 int msgflg)
1bc012f6
TS		 2600{
2601 struct target_msgbuf *target_mb;
579a97f7 2602 char *target_mtext;
1bc012f6 2603 struct msgbuf *host_mb;
992f48a0 2604 abi_long ret = 0;
1bc012f6 2605
579a97f7
FB		 2606 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2607 return -TARGET_EFAULT;
1c54ff97 2608
1bc012f6 2609 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2610 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2611
579a97f7
FB		 2612 if (ret > 0) {
2613 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2614 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2615 if (!target_mtext) {
2616 ret = -TARGET_EFAULT;
2617 goto end;
2618 }
1c54ff97 2619 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2620 unlock_user(target_mtext, target_mtext_addr, ret);
2621 }
1c54ff97 2622
1bc012f6
TS		 2623 target_mb->mtype = tswapl(host_mb->mtype);
2624 free(host_mb);
1bc012f6 2625
579a97f7
FB		 2626end:
2627 if (target_mb)
2628 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 2629 return ret;
2630}
2631
88a8c984
RV		 2632struct target_shmid_ds
2633{
2634 struct target_ipc_perm shm_perm;
2635 abi_ulong shm_segsz;
2636 abi_ulong shm_atime;
2637#if TARGET_ABI_BITS == 32
2638 abi_ulong __unused1;
2639#endif
2640 abi_ulong shm_dtime;
2641#if TARGET_ABI_BITS == 32
2642 abi_ulong __unused2;
2643#endif
2644 abi_ulong shm_ctime;
2645#if TARGET_ABI_BITS == 32
2646 abi_ulong __unused3;
2647#endif
2648 int shm_cpid;
2649 int shm_lpid;
2650 abi_ulong shm_nattch;
2651 unsigned long int __unused4;
2652 unsigned long int __unused5;
2653};
2654
2655static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2656 abi_ulong target_addr)
2657{
2658 struct target_shmid_ds *target_sd;
2659
2660 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2661 return -TARGET_EFAULT;
2662 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2663 return -TARGET_EFAULT;
2664 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2665 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2666 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2667 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2668 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2669 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2670 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2671 unlock_user_struct(target_sd, target_addr, 0);
2672 return 0;
2673}
2674
2675static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2676 struct shmid_ds *host_sd)
2677{
2678 struct target_shmid_ds *target_sd;
2679
2680 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2681 return -TARGET_EFAULT;
2682 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2683 return -TARGET_EFAULT;
2684 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2685 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2686 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2687 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2688 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2689 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2690 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2691 unlock_user_struct(target_sd, target_addr, 1);
2692 return 0;
2693}
2694
2695struct target_shminfo {
2696 abi_ulong shmmax;
2697 abi_ulong shmmin;
2698 abi_ulong shmmni;
2699 abi_ulong shmseg;
2700 abi_ulong shmall;
2701};
2702
2703static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2704 struct shminfo *host_shminfo)
2705{
2706 struct target_shminfo *target_shminfo;
2707 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2708 return -TARGET_EFAULT;
2709 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2710 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2711 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2712 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2713 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2714 unlock_user_struct(target_shminfo, target_addr, 1);
2715 return 0;
2716}
2717
2718struct target_shm_info {
2719 int used_ids;
2720 abi_ulong shm_tot;
2721 abi_ulong shm_rss;
2722 abi_ulong shm_swp;
2723 abi_ulong swap_attempts;
2724 abi_ulong swap_successes;
2725};
2726
2727static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2728 struct shm_info *host_shm_info)
2729{
2730 struct target_shm_info *target_shm_info;
2731 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2732 return -TARGET_EFAULT;
2733 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2734 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2735 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2736 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2737 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2738 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2739 unlock_user_struct(target_shm_info, target_addr, 1);
2740 return 0;
2741}
2742
2743static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2744{
2745 struct shmid_ds dsarg;
2746 struct shminfo shminfo;
2747 struct shm_info shm_info;
2748 abi_long ret = -TARGET_EINVAL;
2749
2750 cmd &= 0xff;
2751
2752 switch(cmd) {
2753 case IPC_STAT:
2754 case IPC_SET:
2755 case SHM_STAT:
2756 if (target_to_host_shmid_ds(&dsarg, buf))
2757 return -TARGET_EFAULT;
2758 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2759 if (host_to_target_shmid_ds(buf, &dsarg))
2760 return -TARGET_EFAULT;
2761 break;
2762 case IPC_INFO:
2763 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2764 if (host_to_target_shminfo(buf, &shminfo))
2765 return -TARGET_EFAULT;
2766 break;
2767 case SHM_INFO:
2768 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2769 if (host_to_target_shm_info(buf, &shm_info))
2770 return -TARGET_EFAULT;
2771 break;
2772 case IPC_RMID:
2773 case SHM_LOCK:
2774 case SHM_UNLOCK:
2775 ret = get_errno(shmctl(shmid, cmd, NULL));
2776 break;
2777 }
2778
2779 return ret;
2780}
2781
2782static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2783{
2784 abi_long raddr;
2785 void *host_raddr;
2786 struct shmid_ds shm_info;
2787 int i,ret;
2788
2789 /* find out the length of the shared memory segment */
2790 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2791 if (is_error(ret)) {
2792 /* can't get length, bail out */
2793 return ret;
2794 }
2795
2796 mmap_lock();
2797
2798 if (shmaddr)
2799 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2800 else {
2801 abi_ulong mmap_start;
2802
2803 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2804
2805 if (mmap_start == -1) {
2806 errno = ENOMEM;
2807 host_raddr = (void *)-1;
2808 } else
2809 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2810 }
2811
2812 if (host_raddr == (void *)-1) {
2813 mmap_unlock();
2814 return get_errno((long)host_raddr);
2815 }
2816 raddr=h2g((unsigned long)host_raddr);
2817
2818 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2819 PAGE_VALID | PAGE_READ |
2820 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2821
2822 for (i = 0; i < N_SHM_REGIONS; i++) {
2823 if (shm_regions[i].start == 0) {
2824 shm_regions[i].start = raddr;
2825 shm_regions[i].size = shm_info.shm_segsz;
2826 break;
2827 }
2828 }
2829
2830 mmap_unlock();
2831 return raddr;
2832
2833}
2834
2835static inline abi_long do_shmdt(abi_ulong shmaddr)
2836{
2837 int i;
2838
2839 for (i = 0; i < N_SHM_REGIONS; ++i) {
2840 if (shm_regions[i].start == shmaddr) {
2841 shm_regions[i].start = 0;
e00ac249 2842 page_set_flags(shmaddr, shmaddr + shm_regions[i].size, 0);
88a8c984
RV		 2843 break;
2844 }
2845 }
2846
2847 return get_errno(shmdt(g2h(shmaddr)));
2848}
2849
1c54ff97 2850#ifdef TARGET_NR_ipc
53a5960a 2851/* ??? This only works with linear mappings. */
0da46a6e 2852/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 2853static abi_long do_ipc(unsigned int call, int first,
2854 int second, int third,
2855 abi_long ptr, abi_long fifth)
8853f86e
FB		 2856{
2857 int version;
992f48a0 2858 abi_long ret = 0;
8853f86e
FB		 2859
2860 version = call >> 16;
2861 call &= 0xffff;
2862
2863 switch (call) {
fa294816 2864 case IPCOP_semop:
e5289087 2865 ret = do_semop(first, ptr, second);
fa294816
TS		 2866 break;
2867
2868 case IPCOP_semget:
2869 ret = get_errno(semget(first, second, third));
2870 break;
2871
2872 case IPCOP_semctl:
e5289087 2873 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 2874 break;
d96372ef 2875
1c54ff97
AJ		 2876 case IPCOP_msgget:
2877 ret = get_errno(msgget(first, second));
2878 break;
d96372ef 2879
1c54ff97
AJ		 2880 case IPCOP_msgsnd:
2881 ret = do_msgsnd(first, ptr, second, third);
2882 break;
d96372ef 2883
1c54ff97
AJ		 2884 case IPCOP_msgctl:
2885 ret = do_msgctl(first, second, ptr);
2886 break;
d96372ef 2887
1c54ff97
AJ		 2888 case IPCOP_msgrcv:
2889 switch (version) {
2890 case 0:
2891 {
2892 struct target_ipc_kludge {
2893 abi_long msgp;
2894 abi_long msgtyp;
2895 } *tmp;
2896
2897 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2898 ret = -TARGET_EFAULT;
2899 break;
2900 }
d96372ef 2901
1c54ff97 2902 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 2903
1c54ff97
AJ		 2904 unlock_user_struct(tmp, ptr, 0);
2905 break;
2906 }
2907 default:
2908 ret = do_msgrcv(first, ptr, second, fifth, third);
2909 }
2910 break;
d96372ef 2911
8853f86e 2912 case IPCOP_shmat:
88a8c984
RV		 2913 switch (version) {
2914 default:
5a4a898d
FB		 2915 {
2916 abi_ulong raddr;
88a8c984
RV		 2917 raddr = do_shmat(first, ptr, second);
2918 if (is_error(raddr))
2919 return get_errno(raddr);
2f619698 2920 if (put_user_ual(raddr, third))
5a4a898d 2921 return -TARGET_EFAULT;
88a8c984
RV		 2922 break;
2923 }
2924 case 1:
2925 ret = -TARGET_EINVAL;
2926 break;
5a4a898d 2927 }
8853f86e
FB		 2928 break;
2929 case IPCOP_shmdt:
88a8c984 2930 ret = do_shmdt(ptr);
8853f86e
FB		 2931 break;
2932
2933 case IPCOP_shmget:
2934 /* IPC_* flag values are the same on all linux platforms */
2935 ret = get_errno(shmget(first, second, third));
2936 break;
2937
2938 /* IPC_* and SHM_* command values are the same on all linux platforms */
2939 case IPCOP_shmctl:
88a8c984 2940 ret = do_shmctl(first, second, third);
8853f86e
FB		 2941 break;
2942 default:
32407103 2943 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 2944 ret = -TARGET_ENOSYS;
8853f86e
FB		 2945 break;
2946 }
2947 return ret;
2948}
32407103 2949#endif
8853f86e 2950
31e31b8a
FB		 2951/* kernel structure types definitions */
2952#define IFNAMSIZ 16
2953
001faf32 2954#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 2955#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2956enum {
2957#include "syscall_types.h"
2958};
2959#undef STRUCT
2960#undef STRUCT_SPECIAL
2961
001faf32 2962#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 2963#define STRUCT_SPECIAL(name)
2964#include "syscall_types.h"
2965#undef STRUCT
2966#undef STRUCT_SPECIAL
2967
2968typedef struct IOCTLEntry {
2ab83ea7
FB		 2969 unsigned int target_cmd;
2970 unsigned int host_cmd;
31e31b8a
FB		 2971 const char *name;
2972 int access;
1a9353d2 2973 const argtype arg_type[5];
31e31b8a
FB		 2974} IOCTLEntry;
2975
2976#define IOC_R 0x0001
2977#define IOC_W 0x0002
2978#define IOC_RW (IOC_R | IOC_W)
2979
2980#define MAX_STRUCT_SIZE 4096
2981
9f106a75 2982static IOCTLEntry ioctl_entries[] = {
001faf32
BS		 2983#define IOCTL(cmd, access, ...) \
2984 { TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } },
31e31b8a
FB		 2985#include "ioctls.h"
2986 { 0, 0, },
2987};
2988
53a5960a 2989/* ??? Implement proper locking for ioctls. */
0da46a6e 2990/* do_ioctl() Must return target values and target errnos. */
992f48a0 2991static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 2992{
2993 const IOCTLEntry *ie;
2994 const argtype *arg_type;
992f48a0 2995 abi_long ret;
31e31b8a 2996 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 2997 int target_size;
2998 void *argptr;
31e31b8a
FB		 2999
3000 ie = ioctl_entries;
3001 for(;;) {
3002 if (ie->target_cmd == 0) {
32407103 3003 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 3004 return -TARGET_ENOSYS;
31e31b8a
FB		 3005 }
3006 if (ie->target_cmd == cmd)
3007 break;
3008 ie++;
3009 }
3010 arg_type = ie->arg_type;
9de5e440 3011#if defined(DEBUG)
32407103 3012 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 3013#endif
31e31b8a
FB		 3014 switch(arg_type[0]) {
3015 case TYPE_NULL:
3016 /* no argument */
3017 ret = get_errno(ioctl(fd, ie->host_cmd));
3018 break;
3019 case TYPE_PTRVOID:
3020 case TYPE_INT:
3021 /* int argment */
3022 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
3023 break;
3024 case TYPE_PTR:
3025 arg_type++;
53a5960a 3026 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 3027 switch(ie->access) {
3028 case IOC_R:
3029 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3030 if (!is_error(ret)) {
579a97f7
FB		 3031 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3032 if (!argptr)
3033 return -TARGET_EFAULT;
53a5960a
PB		 3034 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3035 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3036 }
3037 break;
3038 case IOC_W:
579a97f7
FB		 3039 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3040 if (!argptr)
3041 return -TARGET_EFAULT;
53a5960a
PB		 3042 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3043 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3044 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3045 break;
3046 default:
3047 case IOC_RW:
579a97f7
FB		 3048 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
3049 if (!argptr)
3050 return -TARGET_EFAULT;
53a5960a
PB		 3051 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
3052 unlock_user(argptr, arg, 0);
31e31b8a
FB		 3053 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
3054 if (!is_error(ret)) {
579a97f7
FB		 3055 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
3056 if (!argptr)
3057 return -TARGET_EFAULT;
53a5960a
PB		 3058 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
3059 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 3060 }
3061 break;
3062 }
3063 break;
3064 default:
32407103
JM		 3065 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
3066 (long)cmd, arg_type[0]);
0da46a6e 3067 ret = -TARGET_ENOSYS;
31e31b8a
FB		 3068 break;
3069 }
3070 return ret;
3071}
3072
b39bc503 3073static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 3074 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
3075 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
3076 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
3077 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
3078 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
3079 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
3080 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
3081 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
3082 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
3083 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
3084 { TARGET_IXON, TARGET_IXON, IXON, IXON },
3085 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
3086 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
3087 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
3088 { 0, 0, 0, 0 }
3089};
3090
b39bc503 3091static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 3092 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
3093 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
3094 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
3095 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
3096 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
3097 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
3098 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
3099 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
3100 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
3101 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
3102 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
3103 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3104 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3105 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3106 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3107 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3108 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3109 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3110 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3111 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3112 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3113 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3114 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3115 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3116 { 0, 0, 0, 0 }
3117};
3118
b39bc503 3119static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3120 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3121 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3122 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3123 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3124 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3125 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3126 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3127 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3128 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3129 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3130 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3131 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3132 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3133 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3134 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3135 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3136 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3137 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3138 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3139 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3140 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3141 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3142 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3143 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3144 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3145 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3146 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3147 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3148 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3149 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3150 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3151 { 0, 0, 0, 0 }
3152};
3153
b39bc503 3154static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3155 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3156 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3157 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3158 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3159 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3160 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3161 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3162 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3163 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3164 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3165 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3166 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3167 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3168 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3169 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3170 { 0, 0, 0, 0 }
3171};
3172
3173static void target_to_host_termios (void *dst, const void *src)
3174{
3175 struct host_termios *host = dst;
3176 const struct target_termios *target = src;
3b46e624 3177
5fafdf24 3178 host->c_iflag =
31e31b8a 3179 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3180 host->c_oflag =
31e31b8a 3181 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3182 host->c_cflag =
31e31b8a 3183 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3184 host->c_lflag =
31e31b8a
FB		 3185 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3186 host->c_line = target->c_line;
3b46e624 3187
44607123 3188 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3189 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3190 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3191 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3192 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3193 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3194 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3195 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3196 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3197 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3198 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3199 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3200 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3201 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3202 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3203 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3204 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3205 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3206}
3b46e624 3207
31e31b8a
FB		 3208static void host_to_target_termios (void *dst, const void *src)
3209{
3210 struct target_termios *target = dst;
3211 const struct host_termios *host = src;
3212
5fafdf24 3213 target->c_iflag =
31e31b8a 3214 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3215 target->c_oflag =
31e31b8a 3216 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3217 target->c_cflag =
31e31b8a 3218 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3219 target->c_lflag =
31e31b8a
FB		 3220 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3221 target->c_line = host->c_line;
3b46e624 3222
44607123 3223 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3224 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3225 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3226 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3227 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3228 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3229 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3230 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3231 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3232 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3233 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3234 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3235 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3236 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3237 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3238 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3239 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3240 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3241}
3242
8e853dc7 3243static const StructEntry struct_termios_def = {
31e31b8a
FB		 3244 .convert = { host_to_target_termios, target_to_host_termios },
3245 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3246 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3247};
3248
5286db75
FB		 3249static bitmask_transtbl mmap_flags_tbl[] = {
3250 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3251 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3252 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3253 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3254 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3255 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3256 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3257 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3258 { 0, 0, 0, 0 }
3259};
3260
2ab83ea7 3261#if defined(TARGET_I386)
6dbad63e
FB		 3262
3263/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3264static uint8_t *ldt_table;
6dbad63e 3265
03acab66 3266static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3267{
3268 int size;
53a5960a 3269 void *p;
6dbad63e
FB		 3270
3271 if (!ldt_table)
3272 return 0;
3273 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3274 if (size > bytecount)
3275 size = bytecount;
579a97f7
FB		 3276 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3277 if (!p)
03acab66 3278 return -TARGET_EFAULT;
579a97f7 3279 /* ??? Should this by byteswapped? */
53a5960a
PB		 3280 memcpy(p, ldt_table, size);
3281 unlock_user(p, ptr, size);
6dbad63e
FB		 3282 return size;
3283}
3284
3285/* XXX: add locking support */
03acab66
FB		 3286static abi_long write_ldt(CPUX86State *env,
3287 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3288{
3289 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3290 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3291 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3292 int seg_not_present, useable, lm;
6dbad63e
FB		 3293 uint32_t *lp, entry_1, entry_2;
3294
3295 if (bytecount != sizeof(ldt_info))
03acab66 3296 return -TARGET_EINVAL;
579a97f7 3297 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3298 return -TARGET_EFAULT;
53a5960a
PB		 3299 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3300 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3301 ldt_info.limit = tswap32(target_ldt_info->limit);
3302 ldt_info.flags = tswap32(target_ldt_info->flags);
3303 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3304
6dbad63e 3305 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3306 return -TARGET_EINVAL;
6dbad63e
FB		 3307 seg_32bit = ldt_info.flags & 1;
3308 contents = (ldt_info.flags >> 1) & 3;
3309 read_exec_only = (ldt_info.flags >> 3) & 1;
3310 limit_in_pages = (ldt_info.flags >> 4) & 1;
3311 seg_not_present = (ldt_info.flags >> 5) & 1;
3312 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3313#ifdef TARGET_ABI32
3314 lm = 0;
3315#else
3316 lm = (ldt_info.flags >> 7) & 1;
3317#endif
6dbad63e
FB		 3318 if (contents == 3) {
3319 if (oldmode)
03acab66 3320 return -TARGET_EINVAL;
6dbad63e 3321 if (seg_not_present == 0)
03acab66 3322 return -TARGET_EINVAL;
6dbad63e
FB		 3323 }
3324 /* allocate the LDT */
3325 if (!ldt_table) {
e441570f
AZ		 3326 env->ldt.base = target_mmap(0,
3327 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3328 PROT_READ|PROT_WRITE,
3329 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3330 if (env->ldt.base == -1)
03acab66 3331 return -TARGET_ENOMEM;
e441570f
AZ		 3332 memset(g2h(env->ldt.base), 0,
3333 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3334 env->ldt.limit = 0xffff;
e441570f 3335 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3336 }
3337
3338 /* NOTE: same code as Linux kernel */
3339 /* Allow LDTs to be cleared by the user. */
3340 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3341 if (oldmode ||
3342 (contents == 0 &&
3343 read_exec_only == 1 &&
3344 seg_32bit == 0 &&
3345 limit_in_pages == 0 &&
3346 seg_not_present == 1 &&
3347 useable == 0 )) {
3348 entry_1 = 0;
3349 entry_2 = 0;
3350 goto install;
3351 }
3352 }
3b46e624 3353
6dbad63e
FB		 3354 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3355 (ldt_info.limit & 0x0ffff);
3356 entry_2 = (ldt_info.base_addr & 0xff000000) |
3357 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3358 (ldt_info.limit & 0xf0000) |
3359 ((read_exec_only ^ 1) << 9) |
3360 (contents << 10) |
3361 ((seg_not_present ^ 1) << 15) |
3362 (seg_32bit << 22) |
3363 (limit_in_pages << 23) |
8d18e893 3364 (lm << 21) |
6dbad63e
FB		 3365 0x7000;
3366 if (!oldmode)
3367 entry_2 |= (useable << 20);
14ae3ba7 3368
6dbad63e
FB		 3369 /* Install the new entry ... */
3370install:
3371 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3372 lp[0] = tswap32(entry_1);
3373 lp[1] = tswap32(entry_2);
3374 return 0;
3375}
3376
3377/* specific and weird i386 syscalls */
8fcd3692
BS		 3378static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3379 unsigned long bytecount)
6dbad63e 3380{
03acab66 3381 abi_long ret;
3b46e624 3382
6dbad63e
FB		 3383 switch (func) {
3384 case 0:
3385 ret = read_ldt(ptr, bytecount);
3386 break;
3387 case 1:
3388 ret = write_ldt(env, ptr, bytecount, 1);
3389 break;
3390 case 0x11:
3391 ret = write_ldt(env, ptr, bytecount, 0);
3392 break;
03acab66
FB		 3393 default:
3394 ret = -TARGET_ENOSYS;
3395 break;
6dbad63e
FB		 3396 }
3397 return ret;
3398}
1b6b029e 3399
4583f589 3400#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 3401static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3402{
3403 uint64_t *gdt_table = g2h(env->gdt.base);
3404 struct target_modify_ldt_ldt_s ldt_info;
3405 struct target_modify_ldt_ldt_s *target_ldt_info;
3406 int seg_32bit, contents, read_exec_only, limit_in_pages;
3407 int seg_not_present, useable, lm;
3408 uint32_t *lp, entry_1, entry_2;
3409 int i;
3410
3411 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3412 if (!target_ldt_info)
3413 return -TARGET_EFAULT;
3414 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3415 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3416 ldt_info.limit = tswap32(target_ldt_info->limit);
3417 ldt_info.flags = tswap32(target_ldt_info->flags);
3418 if (ldt_info.entry_number == -1) {
3419 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3420 if (gdt_table[i] == 0) {
3421 ldt_info.entry_number = i;
3422 target_ldt_info->entry_number = tswap32(i);
3423 break;
3424 }
3425 }
3426 }
3427 unlock_user_struct(target_ldt_info, ptr, 1);
3428
3429 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3430 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3431 return -TARGET_EINVAL;
3432 seg_32bit = ldt_info.flags & 1;
3433 contents = (ldt_info.flags >> 1) & 3;
3434 read_exec_only = (ldt_info.flags >> 3) & 1;
3435 limit_in_pages = (ldt_info.flags >> 4) & 1;
3436 seg_not_present = (ldt_info.flags >> 5) & 1;
3437 useable = (ldt_info.flags >> 6) & 1;
3438#ifdef TARGET_ABI32
3439 lm = 0;
3440#else
3441 lm = (ldt_info.flags >> 7) & 1;
3442#endif
3443
3444 if (contents == 3) {
3445 if (seg_not_present == 0)
3446 return -TARGET_EINVAL;
3447 }
3448
3449 /* NOTE: same code as Linux kernel */
3450 /* Allow LDTs to be cleared by the user. */
3451 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3452 if ((contents == 0 &&
3453 read_exec_only == 1 &&
3454 seg_32bit == 0 &&
3455 limit_in_pages == 0 &&
3456 seg_not_present == 1 &&
3457 useable == 0 )) {
3458 entry_1 = 0;
3459 entry_2 = 0;
3460 goto install;
3461 }
3462 }
3463
3464 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3465 (ldt_info.limit & 0x0ffff);
3466 entry_2 = (ldt_info.base_addr & 0xff000000) |
3467 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3468 (ldt_info.limit & 0xf0000) |
3469 ((read_exec_only ^ 1) << 9) |
3470 (contents << 10) |
3471 ((seg_not_present ^ 1) << 15) |
3472 (seg_32bit << 22) |
3473 (limit_in_pages << 23) |
3474 (useable << 20) |
3475 (lm << 21) |
3476 0x7000;
3477
3478 /* Install the new entry ... */
3479install:
3480 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3481 lp[0] = tswap32(entry_1);
3482 lp[1] = tswap32(entry_2);
3483 return 0;
3484}
3485
8fcd3692 3486static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3487{
3488 struct target_modify_ldt_ldt_s *target_ldt_info;
3489 uint64_t *gdt_table = g2h(env->gdt.base);
3490 uint32_t base_addr, limit, flags;
3491 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3492 int seg_not_present, useable, lm;
3493 uint32_t *lp, entry_1, entry_2;
3494
3495 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3496 if (!target_ldt_info)
3497 return -TARGET_EFAULT;
3498 idx = tswap32(target_ldt_info->entry_number);
3499 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3500 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3501 unlock_user_struct(target_ldt_info, ptr, 1);
3502 return -TARGET_EINVAL;
3503 }
3504 lp = (uint32_t *)(gdt_table + idx);
3505 entry_1 = tswap32(lp[0]);
3506 entry_2 = tswap32(lp[1]);
3507
3508 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3509 contents = (entry_2 >> 10) & 3;
3510 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3511 seg_32bit = (entry_2 >> 22) & 1;
3512 limit_in_pages = (entry_2 >> 23) & 1;
3513 useable = (entry_2 >> 20) & 1;
3514#ifdef TARGET_ABI32
3515 lm = 0;
3516#else
3517 lm = (entry_2 >> 21) & 1;
3518#endif
3519 flags = (seg_32bit << 0) | (contents << 1) |
3520 (read_exec_only << 3) | (limit_in_pages << 4) |
3521 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3522 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3523 base_addr = (entry_1 >> 16) |
3524 (entry_2 & 0xff000000) |
3525 ((entry_2 & 0xff) << 16);
3526 target_ldt_info->base_addr = tswapl(base_addr);
3527 target_ldt_info->limit = tswap32(limit);
3528 target_ldt_info->flags = tswap32(flags);
3529 unlock_user_struct(target_ldt_info, ptr, 1);
3530 return 0;
3531}
4583f589 3532#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 3533
d2fd1af7 3534#ifndef TARGET_ABI32
8fcd3692 3535static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7
FB		 3536{
3537 abi_long ret;
3538 abi_ulong val;
3539 int idx;
3540
3541 switch(code) {
3542 case TARGET_ARCH_SET_GS:
3543 case TARGET_ARCH_SET_FS:
3544 if (code == TARGET_ARCH_SET_GS)
3545 idx = R_GS;
3546 else
3547 idx = R_FS;
3548 cpu_x86_load_seg(env, idx, 0);
3549 env->segs[idx].base = addr;
3550 break;
3551 case TARGET_ARCH_GET_GS:
3552 case TARGET_ARCH_GET_FS:
3553 if (code == TARGET_ARCH_GET_GS)
3554 idx = R_GS;
3555 else
3556 idx = R_FS;
3557 val = env->segs[idx].base;
3558 if (put_user(val, addr, abi_ulong))
3559 return -TARGET_EFAULT;
3560 break;
3561 default:
3562 ret = -TARGET_EINVAL;
3563 break;
3564 }
3565 return 0;
3566}
3567#endif
3568
2ab83ea7
FB		 3569#endif /* defined(TARGET_I386) */
3570
2f7bb878 3571#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3572
3573#define NEW_STACK_SIZE PTHREAD_STACK_MIN
3574
3575static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3576typedef struct {
3577 CPUState *env;
3578 pthread_mutex_t mutex;
3579 pthread_cond_t cond;
3580 pthread_t thread;
3581 uint32_t tid;
3582 abi_ulong child_tidptr;
3583 abi_ulong parent_tidptr;
3584 sigset_t sigmask;
3585} new_thread_info;
3586
3587static void *clone_func(void *arg)
3588{
3589 new_thread_info *info = arg;
3590 CPUState *env;
edf8e2af 3591 TaskState *ts;
d865bab5
PB		 3592
3593 env = info->env;
3594 thread_env = env;
edf8e2af 3595 ts = (TaskState *)thread_env->opaque;
d865bab5 3596 info->tid = gettid();
1e9fa730 3597 env->host_tid = info->tid;
edf8e2af 3598 task_settid(ts);
d865bab5
PB		 3599 if (info->child_tidptr)
3600 put_user_u32(info->tid, info->child_tidptr);
3601 if (info->parent_tidptr)
3602 put_user_u32(info->tid, info->parent_tidptr);
3603 /* Enable signals. */
3604 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3605 /* Signal to the parent that we're ready. */
3606 pthread_mutex_lock(&info->mutex);
3607 pthread_cond_broadcast(&info->cond);
3608 pthread_mutex_unlock(&info->mutex);
3609 /* Wait until the parent has finshed initializing the tls state. */
3610 pthread_mutex_lock(&clone_lock);
3611 pthread_mutex_unlock(&clone_lock);
3612 cpu_loop(env);
3613 /* never exits */
3614 return NULL;
3615}
3616#else
1b6b029e
FB		 3617/* this stack is the equivalent of the kernel stack associated with a
3618 thread/process */
3619#define NEW_STACK_SIZE 8192
3620
3621static int clone_func(void *arg)
3622{
2ab83ea7 3623 CPUState *env = arg;
1b6b029e
FB		 3624 cpu_loop(env);
3625 /* never exits */
3626 return 0;
3627}
d865bab5 3628#endif
1b6b029e 3629
0da46a6e
TS		 3630/* do_fork() Must return host values and target errnos (unlike most
3631 do_*() functions). */
d865bab5
PB		 3632static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3633 abi_ulong parent_tidptr, target_ulong newtls,
3634 abi_ulong child_tidptr)
1b6b029e
FB		 3635{
3636 int ret;
5cd4393b 3637 TaskState *ts;
2ab83ea7 3638 CPUState *new_env;
2f7bb878 3639#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3640 unsigned int nptl_flags;
3641 sigset_t sigmask;
9190749f
RV		 3642#else
3643 uint8_t *new_stack;
d865bab5 3644#endif
3b46e624 3645
436d124b
AZ		 3646 /* Emulate vfork() with fork() */
3647 if (flags & CLONE_VFORK)
3648 flags &= ~(CLONE_VFORK | CLONE_VM);
3649
1b6b029e 3650 if (flags & CLONE_VM) {
edf8e2af 3651 TaskState *parent_ts = (TaskState *)env->opaque;
2f7bb878 3652#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3653 new_thread_info info;
3654 pthread_attr_t attr;
bd0c5661 3655#endif
48e15fc2 3656 ts = qemu_mallocz(sizeof(TaskState));
624f7979 3657 init_task_state(ts);
1b6b029e 3658 /* we create a new CPU instance. */
c5be9f08 3659 new_env = cpu_copy(env);
b4558d74
BS		 3660#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
3661 cpu_reset(new_env);
3662#endif
6e68e076
PB		 3663 /* Init regs that differ from the parent. */
3664 cpu_clone_regs(new_env, newsp);
5cd4393b 3665 new_env->opaque = ts;
edf8e2af
MW		 3666 ts->bprm = parent_ts->bprm;
3667 ts->info = parent_ts->info;
2f7bb878 3668#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3669 nptl_flags = flags;
3670 flags &= ~CLONE_NPTL_FLAGS2;
3671
c2764719
PB		 3672 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3673 ts->child_tidptr = child_tidptr;
3674 }
3675
d865bab5
PB		 3676 if (nptl_flags & CLONE_SETTLS)
3677 cpu_set_tls (new_env, newtls);
3678
3679 /* Grab a mutex so that thread setup appears atomic. */
3680 pthread_mutex_lock(&clone_lock);
3681
3682 memset(&info, 0, sizeof(info));
3683 pthread_mutex_init(&info.mutex, NULL);
3684 pthread_mutex_lock(&info.mutex);
3685 pthread_cond_init(&info.cond, NULL);
3686 info.env = new_env;
3687 if (nptl_flags & CLONE_CHILD_SETTID)
3688 info.child_tidptr = child_tidptr;
3689 if (nptl_flags & CLONE_PARENT_SETTID)
3690 info.parent_tidptr = parent_tidptr;
3691
3692 ret = pthread_attr_init(&attr);
48e15fc2
NF		 3693 ret = pthread_attr_setstacksize(&attr, NEW_STACK_SIZE);
3694 ret = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
d865bab5
PB		 3695 /* It is not safe to deliver signals until the child has finished
3696 initializing, so temporarily block all signals. */
3697 sigfillset(&sigmask);
3698 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3699
3700 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 3701 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 3702
3703 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3704 pthread_attr_destroy(&attr);
3705 if (ret == 0) {
3706 /* Wait for the child to initialize. */
3707 pthread_cond_wait(&info.cond, &info.mutex);
3708 ret = info.tid;
3709 if (flags & CLONE_PARENT_SETTID)
3710 put_user_u32(ret, parent_tidptr);
3711 } else {
3712 ret = -1;
3713 }
3714 pthread_mutex_unlock(&info.mutex);
3715 pthread_cond_destroy(&info.cond);
3716 pthread_mutex_destroy(&info.mutex);
3717 pthread_mutex_unlock(&clone_lock);
3718#else
3719 if (flags & CLONE_NPTL_FLAGS2)
3720 return -EINVAL;
3721 /* This is probably going to die very quickly, but do it anyway. */
48e15fc2 3722 new_stack = qemu_mallocz (NEW_STACK_SIZE);
27725c1d 3723#ifdef __ia64__
60e99246 3724 ret = __clone2(clone_func, new_stack, NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 3725#else
3726 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 3727#endif
27725c1d 3728#endif
1b6b029e
FB		 3729 } else {
3730 /* if no CLONE_VM, we consider it is a fork */
d865bab5 3731 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 3732 return -EINVAL;
d865bab5 3733 fork_start();
1b6b029e 3734 ret = fork();
d865bab5 3735 if (ret == 0) {
2b1319c8 3736 /* Child Process. */
d865bab5
PB		 3737 cpu_clone_regs(env, newsp);
3738 fork_end(1);
2f7bb878 3739#if defined(CONFIG_USE_NPTL)
2b1319c8
AJ		 3740 /* There is a race condition here. The parent process could
3741 theoretically read the TID in the child process before the child
3742 tid is set. This would require using either ptrace
3743 (not implemented) or having *_tidptr to point at a shared memory
3744 mapping. We can't repeat the spinlock hack used above because
3745 the child process gets its own copy of the lock. */
d865bab5
PB		 3746 if (flags & CLONE_CHILD_SETTID)
3747 put_user_u32(gettid(), child_tidptr);
3748 if (flags & CLONE_PARENT_SETTID)
3749 put_user_u32(gettid(), parent_tidptr);
3750 ts = (TaskState *)env->opaque;
3751 if (flags & CLONE_SETTLS)
3752 cpu_set_tls (env, newtls);
c2764719
PB		 3753 if (flags & CLONE_CHILD_CLEARTID)
3754 ts->child_tidptr = child_tidptr;
2b1319c8 3755#endif
d865bab5
PB		 3756 } else {
3757 fork_end(0);
3758 }
1b6b029e
FB		 3759 }
3760 return ret;
3761}
3762
5f106811
APR		 3763/* warning : doesn't handle linux specific flags... */
3764static int target_to_host_fcntl_cmd(int cmd)
3765{
3766 switch(cmd) {
3767 case TARGET_F_DUPFD:
3768 case TARGET_F_GETFD:
3769 case TARGET_F_SETFD:
3770 case TARGET_F_GETFL:
3771 case TARGET_F_SETFL:
3772 return cmd;
3773 case TARGET_F_GETLK:
3774 return F_GETLK;
3775 case TARGET_F_SETLK:
3776 return F_SETLK;
3777 case TARGET_F_SETLKW:
3778 return F_SETLKW;
3779 case TARGET_F_GETOWN:
3780 return F_GETOWN;
3781 case TARGET_F_SETOWN:
3782 return F_SETOWN;
3783 case TARGET_F_GETSIG:
3784 return F_GETSIG;
3785 case TARGET_F_SETSIG:
3786 return F_SETSIG;
3787#if TARGET_ABI_BITS == 32
3788 case TARGET_F_GETLK64:
3789 return F_GETLK64;
3790 case TARGET_F_SETLK64:
3791 return F_SETLK64;
3792 case TARGET_F_SETLKW64:
3793 return F_SETLKW64;
3794#endif
7e22e546
UH		 3795 case TARGET_F_SETLEASE:
3796 return F_SETLEASE;
3797 case TARGET_F_GETLEASE:
3798 return F_GETLEASE;
fbd5de9b 3799#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 3800 case TARGET_F_DUPFD_CLOEXEC:
3801 return F_DUPFD_CLOEXEC;
fbd5de9b 3802#endif
7e22e546
UH		 3803 case TARGET_F_NOTIFY:
3804 return F_NOTIFY;
5f106811
APR		 3805 default:
3806 return -TARGET_EINVAL;
3807 }
3808 return -TARGET_EINVAL;
3809}
3810
992f48a0 3811static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 3812{
3813 struct flock fl;
53a5960a 3814 struct target_flock *target_fl;
43f238d7
TS		 3815 struct flock64 fl64;
3816 struct target_flock64 *target_fl64;
992f48a0 3817 abi_long ret;
5f106811
APR		 3818 int host_cmd = target_to_host_fcntl_cmd(cmd);
3819
3820 if (host_cmd == -TARGET_EINVAL)
3821 return host_cmd;
53a5960a 3822
7775e9ec
FB		 3823 switch(cmd) {
3824 case TARGET_F_GETLK:
579a97f7
FB		 3825 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3826 return -TARGET_EFAULT;
5813427b
TS		 3827 fl.l_type = tswap16(target_fl->l_type);
3828 fl.l_whence = tswap16(target_fl->l_whence);
3829 fl.l_start = tswapl(target_fl->l_start);
3830 fl.l_len = tswapl(target_fl->l_len);
7e22e546 3831 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 3832 unlock_user_struct(target_fl, arg, 0);
5f106811 3833 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3834 if (ret == 0) {
579a97f7
FB		 3835 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3836 return -TARGET_EFAULT;
7775e9ec
FB		 3837 target_fl->l_type = tswap16(fl.l_type);
3838 target_fl->l_whence = tswap16(fl.l_whence);
3839 target_fl->l_start = tswapl(fl.l_start);
3840 target_fl->l_len = tswapl(fl.l_len);
7e22e546 3841 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 3842 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 3843 }
3844 break;
3b46e624 3845
7775e9ec
FB		 3846 case TARGET_F_SETLK:
3847 case TARGET_F_SETLKW:
579a97f7
FB		 3848 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3849 return -TARGET_EFAULT;
7775e9ec
FB		 3850 fl.l_type = tswap16(target_fl->l_type);
3851 fl.l_whence = tswap16(target_fl->l_whence);
3852 fl.l_start = tswapl(target_fl->l_start);
3853 fl.l_len = tswapl(target_fl->l_len);
7e22e546 3854 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 3855 unlock_user_struct(target_fl, arg, 0);
5f106811 3856 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3857 break;
3b46e624 3858
7775e9ec 3859 case TARGET_F_GETLK64:
579a97f7
FB		 3860 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3861 return -TARGET_EFAULT;
5813427b
TS		 3862 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3863 fl64.l_whence = tswap16(target_fl64->l_whence);
3864 fl64.l_start = tswapl(target_fl64->l_start);
3865 fl64.l_len = tswapl(target_fl64->l_len);
7e22e546 3866 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 3867 unlock_user_struct(target_fl64, arg, 0);
5f106811 3868 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 3869 if (ret == 0) {
579a97f7
FB		 3870 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3871 return -TARGET_EFAULT;
43f238d7
TS		 3872 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3873 target_fl64->l_whence = tswap16(fl64.l_whence);
3874 target_fl64->l_start = tswapl(fl64.l_start);
3875 target_fl64->l_len = tswapl(fl64.l_len);
7e22e546 3876 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 3877 unlock_user_struct(target_fl64, arg, 1);
3878 }
9ee1fa2c 3879 break;
7775e9ec
FB		 3880 case TARGET_F_SETLK64:
3881 case TARGET_F_SETLKW64:
579a97f7
FB		 3882 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3883 return -TARGET_EFAULT;
43f238d7
TS		 3884 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3885 fl64.l_whence = tswap16(target_fl64->l_whence);
3886 fl64.l_start = tswapl(target_fl64->l_start);
3887 fl64.l_len = tswapl(target_fl64->l_len);
7e22e546 3888 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 3889 unlock_user_struct(target_fl64, arg, 0);
5f106811 3890 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 3891 break;
3892
5f106811
APR		 3893 case TARGET_F_GETFL:
3894 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 3895 if (ret >= 0) {
3896 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3897 }
ffa65c3b
FB		 3898 break;
3899
5f106811
APR		 3900 case TARGET_F_SETFL:
3901 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
3902 break;
3903
3904 case TARGET_F_SETOWN:
3905 case TARGET_F_GETOWN:
3906 case TARGET_F_SETSIG:
3907 case TARGET_F_GETSIG:
7e22e546
UH		 3908 case TARGET_F_SETLEASE:
3909 case TARGET_F_GETLEASE:
5f106811 3910 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 3911 break;
3912
7775e9ec 3913 default:
9ee1fa2c 3914 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 3915 break;
3916 }
3917 return ret;
3918}
3919
67867308 3920#ifdef USE_UID16
7775e9ec 3921
67867308
FB		 3922static inline int high2lowuid(int uid)
3923{
3924 if (uid > 65535)
3925 return 65534;
3926 else
3927 return uid;
3928}
3929
3930static inline int high2lowgid(int gid)
3931{
3932 if (gid > 65535)
3933 return 65534;
3934 else
3935 return gid;
3936}
3937
3938static inline int low2highuid(int uid)
3939{
3940 if ((int16_t)uid == -1)
3941 return -1;
3942 else
3943 return uid;
3944}
3945
3946static inline int low2highgid(int gid)
3947{
3948 if ((int16_t)gid == -1)
3949 return -1;
3950 else
3951 return gid;
3952}
3953
3954#endif /* USE_UID16 */
1b6b029e 3955
31e31b8a
FB		 3956void syscall_init(void)
3957{
2ab83ea7
FB		 3958 IOCTLEntry *ie;
3959 const argtype *arg_type;
3960 int size;
b92c47c1 3961 int i;
2ab83ea7 3962
001faf32 3963#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 3964#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 3965#include "syscall_types.h"
3966#undef STRUCT
3967#undef STRUCT_SPECIAL
2ab83ea7
FB		 3968
3969 /* we patch the ioctl size if necessary. We rely on the fact that
3970 no ioctl has all the bits at '1' in the size field */
3971 ie = ioctl_entries;
3972 while (ie->target_cmd != 0) {
3973 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3974 TARGET_IOC_SIZEMASK) {
3975 arg_type = ie->arg_type;
3976 if (arg_type[0] != TYPE_PTR) {
5fafdf24 3977 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 3978 ie->target_cmd);
3979 exit(1);
3980 }
3981 arg_type++;
3982 size = thunk_type_size(arg_type, 0);
5fafdf24 3983 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 3984 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3985 (size << TARGET_IOC_SIZESHIFT);
3986 }
b92c47c1
TS		 3987
3988 /* Build target_to_host_errno_table[] table from
3989 * host_to_target_errno_table[]. */
3990 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3991 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3992
2ab83ea7 3993 /* automatic consistency check if same arch */
872ea0c0
AZ		 3994#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3995 (defined(__x86_64__) && defined(TARGET_X86_64))
3996 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3997 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3998 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 3999 }
4000#endif
4001 ie++;
4002 }
31e31b8a 4003}
c573ff67 4004
992f48a0 4005#if TARGET_ABI_BITS == 32
ce4defa0
PB		 4006static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
4007{
af325d36 4008#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 4009 return ((uint64_t)word0 << 32) | word1;
4010#else
4011 return ((uint64_t)word1 << 32) | word0;
4012#endif
4013}
992f48a0 4014#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 4015static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
4016{
4017 return word0;
4018}
992f48a0 4019#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 4020
4021#ifdef TARGET_NR_truncate64
992f48a0
BS		 4022static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
4023 abi_long arg2,
4024 abi_long arg3,
4025 abi_long arg4)
ce4defa0
PB		 4026{
4027#ifdef TARGET_ARM
4028 if (((CPUARMState *)cpu_env)->eabi)
4029 {
4030 arg2 = arg3;
4031 arg3 = arg4;
4032 }
4033#endif
4034 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
4035}
4036#endif
4037
4038#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 4039static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
4040 abi_long arg2,
4041 abi_long arg3,
4042 abi_long arg4)
ce4defa0
PB		 4043{
4044#ifdef TARGET_ARM
4045 if (((CPUARMState *)cpu_env)->eabi)
4046 {
4047 arg2 = arg3;
4048 arg3 = arg4;
4049 }
4050#endif
4051 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
4052}
4053#endif
4054
579a97f7
FB		 4055static inline abi_long target_to_host_timespec(struct timespec *host_ts,
4056 abi_ulong target_addr)
53a5960a
PB		 4057{
4058 struct target_timespec *target_ts;
4059
579a97f7
FB		 4060 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
4061 return -TARGET_EFAULT;
53a5960a
PB		 4062 host_ts->tv_sec = tswapl(target_ts->tv_sec);
4063 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
4064 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 4065 return 0;
53a5960a
PB		 4066}
4067
579a97f7
FB		 4068static inline abi_long host_to_target_timespec(abi_ulong target_addr,
4069 struct timespec *host_ts)
53a5960a
PB		 4070{
4071 struct target_timespec *target_ts;
4072
579a97f7
FB		 4073 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
4074 return -TARGET_EFAULT;
53a5960a
PB		 4075 target_ts->tv_sec = tswapl(host_ts->tv_sec);
4076 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
4077 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 4078 return 0;
53a5960a
PB		 4079}
4080
9d33b76b 4081#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 4082static inline abi_long host_to_target_stat64(void *cpu_env,
4083 abi_ulong target_addr,
4084 struct stat *host_st)
4085{
4086#ifdef TARGET_ARM
4087 if (((CPUARMState *)cpu_env)->eabi) {
4088 struct target_eabi_stat64 *target_st;
4089
4090 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4091 return -TARGET_EFAULT;
4092 memset(target_st, 0, sizeof(struct target_eabi_stat64));
4093 __put_user(host_st->st_dev, &target_st->st_dev);
4094 __put_user(host_st->st_ino, &target_st->st_ino);
4095#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4096 __put_user(host_st->st_ino, &target_st->__st_ino);
4097#endif
4098 __put_user(host_st->st_mode, &target_st->st_mode);
4099 __put_user(host_st->st_nlink, &target_st->st_nlink);
4100 __put_user(host_st->st_uid, &target_st->st_uid);
4101 __put_user(host_st->st_gid, &target_st->st_gid);
4102 __put_user(host_st->st_rdev, &target_st->st_rdev);
4103 __put_user(host_st->st_size, &target_st->st_size);
4104 __put_user(host_st->st_blksize, &target_st->st_blksize);
4105 __put_user(host_st->st_blocks, &target_st->st_blocks);
4106 __put_user(host_st->st_atime, &target_st->target_st_atime);
4107 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4108 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4109 unlock_user_struct(target_st, target_addr, 1);
4110 } else
4111#endif
4112 {
ed18c5ce 4113#if TARGET_ABI_BITS == 64 && !defined(TARGET_ALPHA)
9d33b76b
AJ		 4114 struct target_stat *target_st;
4115#else
6a24a778 4116 struct target_stat64 *target_st;
9d33b76b 4117#endif
6a24a778
AZ		 4118
4119 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4120 return -TARGET_EFAULT;
9d33b76b 4121 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4122 __put_user(host_st->st_dev, &target_st->st_dev);
4123 __put_user(host_st->st_ino, &target_st->st_ino);
4124#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4125 __put_user(host_st->st_ino, &target_st->__st_ino);
4126#endif
4127 __put_user(host_st->st_mode, &target_st->st_mode);
4128 __put_user(host_st->st_nlink, &target_st->st_nlink);
4129 __put_user(host_st->st_uid, &target_st->st_uid);
4130 __put_user(host_st->st_gid, &target_st->st_gid);
4131 __put_user(host_st->st_rdev, &target_st->st_rdev);
4132 /* XXX: better use of kernel struct */
4133 __put_user(host_st->st_size, &target_st->st_size);
4134 __put_user(host_st->st_blksize, &target_st->st_blksize);
4135 __put_user(host_st->st_blocks, &target_st->st_blocks);
4136 __put_user(host_st->st_atime, &target_st->target_st_atime);
4137 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4138 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4139 unlock_user_struct(target_st, target_addr, 1);
4140 }
4141
4142 return 0;
4143}
4144#endif
4145
2f7bb878 4146#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 4147/* ??? Using host futex calls even when target atomic operations
4148 are not really atomic probably breaks things. However implementing
4149 futexes locally would make futexes shared between multiple processes
4150 tricky. However they're probably useless because guest atomic
4151 operations won't work either. */
8fcd3692
BS		 4152static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4153 target_ulong uaddr2, int val3)
bd0c5661
PB		 4154{
4155 struct timespec ts, *pts;
a16aae0c 4156 int base_op;
bd0c5661
PB		 4157
4158 /* ??? We assume FUTEX_* constants are the same on both host
4159 and target. */
a29ccd63 4160#ifdef FUTEX_CMD_MASK
a16aae0c 4161 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4162#else
a16aae0c 4163 base_op = op;
a29ccd63 4164#endif
a16aae0c 4165 switch (base_op) {
bd0c5661
PB		 4166 case FUTEX_WAIT:
4167 if (timeout) {
4168 pts = &ts;
4169 target_to_host_timespec(pts, timeout);
4170 } else {
4171 pts = NULL;
4172 }
a29ccd63 4173 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
bd0c5661
PB		 4174 pts, NULL, 0));
4175 case FUTEX_WAKE:
a29ccd63 4176 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4177 case FUTEX_FD:
a29ccd63 4178 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4179 case FUTEX_REQUEUE:
bd0c5661 4180 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4181 case FUTEX_WAKE_OP:
4182 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4183 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4184 But the prototype takes a `struct timespec *'; insert casts
4185 to satisfy the compiler. We do not need to tswap TIMEOUT
4186 since it's not compared to guest memory. */
4187 pts = (struct timespec *)(uintptr_t) timeout;
4188 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4189 g2h(uaddr2),
4190 (base_op == FUTEX_CMP_REQUEUE
4191 ? tswap32(val3)
4192 : val3)));
bd0c5661
PB		 4193 default:
4194 return -TARGET_ENOSYS;
4195 }
4196}
4197#endif
4198
1d9d8b55
PB		 4199/* Map host to target signal numbers for the wait family of syscalls.
4200 Assume all other status bits are the same. */
4201static int host_to_target_waitstatus(int status)
4202{
4203 if (WIFSIGNALED(status)) {
4204 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4205 }
4206 if (WIFSTOPPED(status)) {
4207 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4208 | (status & 0xff);
4209 }
4210 return status;
4211}
4212
a745ec6d
PB		 4213int get_osversion(void)
4214{
4215 static int osversion;
4216 struct new_utsname buf;
4217 const char *s;
4218 int i, n, tmp;
4219 if (osversion)
4220 return osversion;
4221 if (qemu_uname_release && *qemu_uname_release) {
4222 s = qemu_uname_release;
4223 } else {
4224 if (sys_uname(&buf))
4225 return 0;
4226 s = buf.release;
4227 }
4228 tmp = 0;
4229 for (i = 0; i < 3; i++) {
4230 n = 0;
4231 while (*s >= '0' && *s <= '9') {
4232 n *= 10;
4233 n += *s - '0';
4234 s++;
4235 }
4236 tmp = (tmp << 8) + n;
4237 if (*s == '.')
4238 s++;
4239 }
4240 osversion = tmp;
4241 return osversion;
4242}
4243
0da46a6e
TS		 4244/* do_syscall() should always have a single exit point at the end so
4245 that actions, such as logging of syscall results, can be performed.
4246 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 4247abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4248 abi_long arg2, abi_long arg3, abi_long arg4,
4249 abi_long arg5, abi_long arg6)
31e31b8a 4250{
992f48a0 4251 abi_long ret;
31e31b8a 4252 struct stat st;
56c8f68f 4253 struct statfs stfs;
53a5960a 4254 void *p;
3b46e624 4255
72f03900 4256#ifdef DEBUG
c573ff67 4257 gemu_log("syscall %d", num);
72f03900 4258#endif
b92c47c1
TS		 4259 if(do_strace)
4260 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4261
31e31b8a
FB		 4262 switch(num) {
4263 case TARGET_NR_exit:
2f7bb878 4264#ifdef CONFIG_USE_NPTL
c2764719
PB		 4265 /* In old applications this may be used to implement _exit(2).
4266 However in threaded applictions it is used for thread termination,
4267 and _exit_group is used for application termination.
4268 Do thread termination if we have more then one thread. */
4269 /* FIXME: This probably breaks if a signal arrives. We should probably
4270 be disabling signals. */
4271 if (first_cpu->next_cpu) {
1e9fa730 4272 TaskState *ts;
c2764719
PB		 4273 CPUState **lastp;
4274 CPUState *p;
4275
4276 cpu_list_lock();
4277 lastp = &first_cpu;
4278 p = first_cpu;
4279 while (p && p != (CPUState *)cpu_env) {
4280 lastp = &p->next_cpu;
4281 p = p->next_cpu;
4282 }
4283 /* If we didn't find the CPU for this thread then something is
4284 horribly wrong. */
4285 if (!p)
4286 abort();
4287 /* Remove the CPU from the list. */
4288 *lastp = p->next_cpu;
4289 cpu_list_unlock();
1e9fa730 4290 ts = ((CPUState *)cpu_env)->opaque;
c2764719
PB		 4291 if (ts->child_tidptr) {
4292 put_user_u32(0, ts->child_tidptr);
4293 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4294 NULL, NULL, 0);
4295 }
48e15fc2
NF		 4296 thread_env = NULL;
4297 qemu_free(cpu_env);
4298 qemu_free(ts);
c2764719
PB		 4299 pthread_exit(NULL);
4300 }
4301#endif
9788c9ca 4302#ifdef TARGET_GPROF
7d13299d
FB		 4303 _mcleanup();
4304#endif
e9009676 4305 gdb_exit(cpu_env, arg1);
c2764719 4306 _exit(arg1);
31e31b8a
FB		 4307 ret = 0; /* avoid warning */
4308 break;
4309 case TARGET_NR_read:
38d840e6
AJ		 4310 if (arg3 == 0)
4311 ret = 0;
4312 else {
4313 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4314 goto efault;
4315 ret = get_errno(read(arg1, p, arg3));
4316 unlock_user(p, arg2, ret);
4317 }
31e31b8a
FB		 4318 break;
4319 case TARGET_NR_write:
579a97f7
FB		 4320 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4321 goto efault;
53a5960a
PB		 4322 ret = get_errno(write(arg1, p, arg3));
4323 unlock_user(p, arg2, 0);
31e31b8a
FB		 4324 break;
4325 case TARGET_NR_open:
2f619698
FB		 4326 if (!(p = lock_user_string(arg1)))
4327 goto efault;
53a5960a 4328 ret = get_errno(open(path(p),
ffa65c3b
FB		 4329 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4330 arg3));
53a5960a 4331 unlock_user(p, arg1, 0);
31e31b8a 4332 break;
82424832
TS		 4333#if defined(TARGET_NR_openat) && defined(__NR_openat)
4334 case TARGET_NR_openat:
579a97f7
FB		 4335 if (!(p = lock_user_string(arg2)))
4336 goto efault;
4337 ret = get_errno(sys_openat(arg1,
4338 path(p),
4339 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4340 arg4));
4341 unlock_user(p, arg2, 0);
82424832
TS		 4342 break;
4343#endif
31e31b8a
FB		 4344 case TARGET_NR_close:
4345 ret = get_errno(close(arg1));
4346 break;
4347 case TARGET_NR_brk:
53a5960a 4348 ret = do_brk(arg1);
31e31b8a
FB		 4349 break;
4350 case TARGET_NR_fork:
d865bab5 4351 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 4352 break;
e5febef5 4353#ifdef TARGET_NR_waitpid
31e31b8a
FB		 4354 case TARGET_NR_waitpid:
4355 {
53a5960a
PB		 4356 int status;
4357 ret = get_errno(waitpid(arg1, &status, arg3));
2f619698 4358 if (!is_error(ret) && arg2
1d9d8b55 4359 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 4360 goto efault;
31e31b8a
FB		 4361 }
4362 break;
e5febef5 4363#endif
f0cbb613
PB		 4364#ifdef TARGET_NR_waitid
4365 case TARGET_NR_waitid:
4366 {
4367 siginfo_t info;
4368 info.si_pid = 0;
4369 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4370 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 4371 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 4372 goto efault;
4373 host_to_target_siginfo(p, &info);
c227f099 4374 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 4375 }
4376 }
4377 break;
4378#endif
7a3148a9 4379#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 4380 case TARGET_NR_creat:
579a97f7
FB		 4381 if (!(p = lock_user_string(arg1)))
4382 goto efault;
53a5960a
PB		 4383 ret = get_errno(creat(p, arg2));
4384 unlock_user(p, arg1, 0);
31e31b8a 4385 break;
7a3148a9 4386#endif
31e31b8a 4387 case TARGET_NR_link:
53a5960a
PB		 4388 {
4389 void * p2;
4390 p = lock_user_string(arg1);
4391 p2 = lock_user_string(arg2);
579a97f7
FB		 4392 if (!p || !p2)
4393 ret = -TARGET_EFAULT;
4394 else
4395 ret = get_errno(link(p, p2));
53a5960a
PB		 4396 unlock_user(p2, arg2, 0);
4397 unlock_user(p, arg1, 0);
4398 }
31e31b8a 4399 break;
64f0ce4c
TS		 4400#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4401 case TARGET_NR_linkat:
64f0ce4c
TS		 4402 {
4403 void * p2 = NULL;
579a97f7
FB		 4404 if (!arg2 || !arg4)
4405 goto efault;
64f0ce4c
TS		 4406 p = lock_user_string(arg2);
4407 p2 = lock_user_string(arg4);
579a97f7 4408 if (!p || !p2)
0da46a6e 4409 ret = -TARGET_EFAULT;
64f0ce4c
TS		 4410 else
4411 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 4412 unlock_user(p, arg2, 0);
4413 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 4414 }
4415 break;
4416#endif
31e31b8a 4417 case TARGET_NR_unlink:
579a97f7
FB		 4418 if (!(p = lock_user_string(arg1)))
4419 goto efault;
53a5960a
PB		 4420 ret = get_errno(unlink(p));
4421 unlock_user(p, arg1, 0);
31e31b8a 4422 break;
8170f56b
TS		 4423#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4424 case TARGET_NR_unlinkat:
579a97f7
FB		 4425 if (!(p = lock_user_string(arg2)))
4426 goto efault;
4427 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4428 unlock_user(p, arg2, 0);
ed494d87 4429 break;
b7d35e65 4430#endif
31e31b8a 4431 case TARGET_NR_execve:
7854b056
FB		 4432 {
4433 char **argp, **envp;
f7341ff4 4434 int argc, envc;
992f48a0
BS		 4435 abi_ulong gp;
4436 abi_ulong guest_argp;
4437 abi_ulong guest_envp;
4438 abi_ulong addr;
7854b056
FB		 4439 char **q;
4440
f7341ff4 4441 argc = 0;
53a5960a 4442 guest_argp = arg2;
da94d263 4443 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4444 if (get_user_ual(addr, gp))
2f619698 4445 goto efault;
03aa1976 4446 if (!addr)
2f619698 4447 break;
7854b056 4448 argc++;
2f619698 4449 }
f7341ff4 4450 envc = 0;
53a5960a 4451 guest_envp = arg3;
da94d263 4452 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4453 if (get_user_ual(addr, gp))
2f619698 4454 goto efault;
03aa1976 4455 if (!addr)
2f619698 4456 break;
7854b056 4457 envc++;
2f619698 4458 }
7854b056 4459
f7341ff4
FB		 4460 argp = alloca((argc + 1) * sizeof(void *));
4461 envp = alloca((envc + 1) * sizeof(void *));
7854b056 4462
da94d263 4463 for (gp = guest_argp, q = argp; gp;
992f48a0 4464 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4465 if (get_user_ual(addr, gp))
4466 goto execve_efault;
53a5960a
PB		 4467 if (!addr)
4468 break;
2f619698
FB		 4469 if (!(*q = lock_user_string(addr)))
4470 goto execve_efault;
53a5960a 4471 }
f7341ff4
FB		 4472 *q = NULL;
4473
da94d263 4474 for (gp = guest_envp, q = envp; gp;
992f48a0 4475 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4476 if (get_user_ual(addr, gp))
4477 goto execve_efault;
53a5960a
PB		 4478 if (!addr)
4479 break;
2f619698
FB		 4480 if (!(*q = lock_user_string(addr)))
4481 goto execve_efault;
53a5960a 4482 }
f7341ff4 4483 *q = NULL;
7854b056 4484
2f619698
FB		 4485 if (!(p = lock_user_string(arg1)))
4486 goto execve_efault;
53a5960a
PB		 4487 ret = get_errno(execve(p, argp, envp));
4488 unlock_user(p, arg1, 0);
4489
2f619698
FB		 4490 goto execve_end;
4491
4492 execve_efault:
4493 ret = -TARGET_EFAULT;
4494
4495 execve_end:
53a5960a 4496 for (gp = guest_argp, q = argp; *q;
992f48a0 4497 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4498 if (get_user_ual(addr, gp)
4499 || !addr)
4500 break;
53a5960a
PB		 4501 unlock_user(*q, addr, 0);
4502 }
4503 for (gp = guest_envp, q = envp; *q;
992f48a0 4504 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4505 if (get_user_ual(addr, gp)
4506 || !addr)
4507 break;
53a5960a
PB		 4508 unlock_user(*q, addr, 0);
4509 }
7854b056 4510 }
31e31b8a
FB		 4511 break;
4512 case TARGET_NR_chdir:
579a97f7
FB		 4513 if (!(p = lock_user_string(arg1)))
4514 goto efault;
53a5960a
PB		 4515 ret = get_errno(chdir(p));
4516 unlock_user(p, arg1, 0);
31e31b8a 4517 break;
a315a145 4518#ifdef TARGET_NR_time
31e31b8a
FB		 4519 case TARGET_NR_time:
4520 {
53a5960a
PB		 4521 time_t host_time;
4522 ret = get_errno(time(&host_time));
2f619698
FB		 4523 if (!is_error(ret)
4524 && arg1
4525 && put_user_sal(host_time, arg1))
4526 goto efault;
31e31b8a
FB		 4527 }
4528 break;
a315a145 4529#endif
31e31b8a 4530 case TARGET_NR_mknod:
579a97f7
FB		 4531 if (!(p = lock_user_string(arg1)))
4532 goto efault;
53a5960a
PB		 4533 ret = get_errno(mknod(p, arg2, arg3));
4534 unlock_user(p, arg1, 0);
31e31b8a 4535 break;
75ac37a0
TS		 4536#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4537 case TARGET_NR_mknodat:
579a97f7
FB		 4538 if (!(p = lock_user_string(arg2)))
4539 goto efault;
4540 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4541 unlock_user(p, arg2, 0);
75ac37a0
TS		 4542 break;
4543#endif
31e31b8a 4544 case TARGET_NR_chmod:
579a97f7
FB		 4545 if (!(p = lock_user_string(arg1)))
4546 goto efault;
53a5960a
PB		 4547 ret = get_errno(chmod(p, arg2));
4548 unlock_user(p, arg1, 0);
31e31b8a 4549 break;
ebc05488 4550#ifdef TARGET_NR_break
31e31b8a
FB		 4551 case TARGET_NR_break:
4552 goto unimplemented;
ebc05488
FB		 4553#endif
4554#ifdef TARGET_NR_oldstat
31e31b8a
FB		 4555 case TARGET_NR_oldstat:
4556 goto unimplemented;
ebc05488 4557#endif
31e31b8a
FB		 4558 case TARGET_NR_lseek:
4559 ret = get_errno(lseek(arg1, arg2, arg3));
4560 break;
9231733a
RH		 4561#if defined(TARGET_NR_getxpid) && defined(TARGET_ALPHA)
4562 /* Alpha specific */
7a3148a9 4563 case TARGET_NR_getxpid:
9231733a
RH		 4564 ((CPUAlphaState *)cpu_env)->ir[IR_A4] = getppid();
4565 ret = get_errno(getpid());
4566 break;
7a3148a9 4567#endif
9231733a
RH		 4568#ifdef TARGET_NR_getpid
4569 case TARGET_NR_getpid:
31e31b8a
FB		 4570 ret = get_errno(getpid());
4571 break;
9231733a 4572#endif
31e31b8a 4573 case TARGET_NR_mount:
80265918
TS		 4574 {
4575 /* need to look at the data field */
4576 void *p2, *p3;
4577 p = lock_user_string(arg1);
4578 p2 = lock_user_string(arg2);
4579 p3 = lock_user_string(arg3);
579a97f7
FB		 4580 if (!p || !p2 || !p3)
4581 ret = -TARGET_EFAULT;
dab46405 4582 else {
579a97f7
FB		 4583 /* FIXME - arg5 should be locked, but it isn't clear how to
4584 * do that since it's not guaranteed to be a NULL-terminated
4585 * string.
4586 */
dab46405
JSM		 4587 if ( ! arg5 )
4588 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
4589 else
4590 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4591 }
579a97f7
FB		 4592 unlock_user(p, arg1, 0);
4593 unlock_user(p2, arg2, 0);
4594 unlock_user(p3, arg3, 0);
80265918
TS		 4595 break;
4596 }
e5febef5 4597#ifdef TARGET_NR_umount
31e31b8a 4598 case TARGET_NR_umount:
579a97f7
FB		 4599 if (!(p = lock_user_string(arg1)))
4600 goto efault;
53a5960a
PB		 4601 ret = get_errno(umount(p));
4602 unlock_user(p, arg1, 0);
31e31b8a 4603 break;
e5febef5 4604#endif
7a3148a9 4605#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 4606 case TARGET_NR_stime:
4607 {
53a5960a 4608 time_t host_time;
2f619698
FB		 4609 if (get_user_sal(host_time, arg1))
4610 goto efault;
53a5960a 4611 ret = get_errno(stime(&host_time));
31e31b8a
FB		 4612 }
4613 break;
7a3148a9 4614#endif
31e31b8a
FB		 4615 case TARGET_NR_ptrace:
4616 goto unimplemented;
7a3148a9 4617#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 4618 case TARGET_NR_alarm:
4619 ret = alarm(arg1);
4620 break;
7a3148a9 4621#endif
ebc05488 4622#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 4623 case TARGET_NR_oldfstat:
4624 goto unimplemented;
ebc05488 4625#endif
7a3148a9 4626#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 4627 case TARGET_NR_pause:
4628 ret = get_errno(pause());
4629 break;
7a3148a9 4630#endif
e5febef5 4631#ifdef TARGET_NR_utime
31e31b8a 4632 case TARGET_NR_utime:
ebc05488 4633 {
53a5960a
PB		 4634 struct utimbuf tbuf, *host_tbuf;
4635 struct target_utimbuf *target_tbuf;
4636 if (arg2) {
579a97f7
FB		 4637 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4638 goto efault;
53a5960a
PB		 4639 tbuf.actime = tswapl(target_tbuf->actime);
4640 tbuf.modtime = tswapl(target_tbuf->modtime);
4641 unlock_user_struct(target_tbuf, arg2, 0);
4642 host_tbuf = &tbuf;
f72e8ff4 4643 } else {
53a5960a 4644 host_tbuf = NULL;
f72e8ff4 4645 }
579a97f7
FB		 4646 if (!(p = lock_user_string(arg1)))
4647 goto efault;
53a5960a
PB		 4648 ret = get_errno(utime(p, host_tbuf));
4649 unlock_user(p, arg1, 0);
ebc05488
FB		 4650 }
4651 break;
e5febef5 4652#endif
978a66ff
FB		 4653 case TARGET_NR_utimes:
4654 {
978a66ff 4655 struct timeval *tvp, tv[2];
53a5960a 4656 if (arg2) {
788f5ec4
TS		 4657 if (copy_from_user_timeval(&tv[0], arg2)
4658 || copy_from_user_timeval(&tv[1],
4659 arg2 + sizeof(struct target_timeval)))
4660 goto efault;
978a66ff
FB		 4661 tvp = tv;
4662 } else {
4663 tvp = NULL;
4664 }
579a97f7
FB		 4665 if (!(p = lock_user_string(arg1)))
4666 goto efault;
53a5960a
PB		 4667 ret = get_errno(utimes(p, tvp));
4668 unlock_user(p, arg1, 0);
978a66ff
FB		 4669 }
4670 break;
ac8a6556
AZ		 4671#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4672 case TARGET_NR_futimesat:
4673 {
4674 struct timeval *tvp, tv[2];
4675 if (arg3) {
4676 if (copy_from_user_timeval(&tv[0], arg3)
4677 || copy_from_user_timeval(&tv[1],
4678 arg3 + sizeof(struct target_timeval)))
4679 goto efault;
4680 tvp = tv;
4681 } else {
4682 tvp = NULL;
4683 }
4684 if (!(p = lock_user_string(arg2)))
4685 goto efault;
4686 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4687 unlock_user(p, arg2, 0);
4688 }
4689 break;
4690#endif
ebc05488 4691#ifdef TARGET_NR_stty
31e31b8a
FB		 4692 case TARGET_NR_stty:
4693 goto unimplemented;
ebc05488
FB		 4694#endif
4695#ifdef TARGET_NR_gtty
31e31b8a
FB		 4696 case TARGET_NR_gtty:
4697 goto unimplemented;
ebc05488 4698#endif
31e31b8a 4699 case TARGET_NR_access:
579a97f7
FB		 4700 if (!(p = lock_user_string(arg1)))
4701 goto efault;
719f908e 4702 ret = get_errno(access(path(p), arg2));
53a5960a 4703 unlock_user(p, arg1, 0);
31e31b8a 4704 break;
92a34c10
TS		 4705#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4706 case TARGET_NR_faccessat:
579a97f7
FB		 4707 if (!(p = lock_user_string(arg2)))
4708 goto efault;
465c9f06 4709 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 4710 unlock_user(p, arg2, 0);
92a34c10
TS		 4711 break;
4712#endif
7a3148a9 4713#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 4714 case TARGET_NR_nice:
4715 ret = get_errno(nice(arg1));
4716 break;
7a3148a9 4717#endif
ebc05488 4718#ifdef TARGET_NR_ftime
31e31b8a
FB		 4719 case TARGET_NR_ftime:
4720 goto unimplemented;
ebc05488 4721#endif
31e31b8a 4722 case TARGET_NR_sync:
04369ff2
FB		 4723 sync();
4724 ret = 0;
31e31b8a
FB		 4725 break;
4726 case TARGET_NR_kill:
4cb05961 4727 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 4728 break;
4729 case TARGET_NR_rename:
53a5960a
PB		 4730 {
4731 void *p2;
4732 p = lock_user_string(arg1);
4733 p2 = lock_user_string(arg2);
579a97f7
FB		 4734 if (!p || !p2)
4735 ret = -TARGET_EFAULT;
4736 else
4737 ret = get_errno(rename(p, p2));
53a5960a
PB		 4738 unlock_user(p2, arg2, 0);
4739 unlock_user(p, arg1, 0);
4740 }
31e31b8a 4741 break;
722183f6
TS		 4742#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4743 case TARGET_NR_renameat:
722183f6 4744 {
579a97f7 4745 void *p2;
722183f6
TS		 4746 p = lock_user_string(arg2);
4747 p2 = lock_user_string(arg4);
579a97f7 4748 if (!p || !p2)
0da46a6e 4749 ret = -TARGET_EFAULT;
722183f6
TS		 4750 else
4751 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 4752 unlock_user(p2, arg4, 0);
4753 unlock_user(p, arg2, 0);
722183f6
TS		 4754 }
4755 break;
4756#endif
31e31b8a 4757 case TARGET_NR_mkdir:
579a97f7
FB		 4758 if (!(p = lock_user_string(arg1)))
4759 goto efault;
53a5960a
PB		 4760 ret = get_errno(mkdir(p, arg2));
4761 unlock_user(p, arg1, 0);
31e31b8a 4762 break;
4472ad0d
TS		 4763#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4764 case TARGET_NR_mkdirat:
579a97f7
FB		 4765 if (!(p = lock_user_string(arg2)))
4766 goto efault;
4767 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4768 unlock_user(p, arg2, 0);
4472ad0d
TS		 4769 break;
4770#endif
31e31b8a 4771 case TARGET_NR_rmdir:
579a97f7
FB		 4772 if (!(p = lock_user_string(arg1)))
4773 goto efault;
53a5960a
PB		 4774 ret = get_errno(rmdir(p));
4775 unlock_user(p, arg1, 0);
31e31b8a
FB		 4776 break;
4777 case TARGET_NR_dup:
4778 ret = get_errno(dup(arg1));
4779 break;
4780 case TARGET_NR_pipe:
fb41a66e 4781 ret = do_pipe(cpu_env, arg1, 0, 0);
099d6b0f
RV		 4782 break;
4783#ifdef TARGET_NR_pipe2
4784 case TARGET_NR_pipe2:
fb41a66e 4785 ret = do_pipe(cpu_env, arg1, arg2, 1);
31e31b8a 4786 break;
099d6b0f 4787#endif
31e31b8a 4788 case TARGET_NR_times:
32f36bce 4789 {
53a5960a 4790 struct target_tms *tmsp;
32f36bce
FB		 4791 struct tms tms;
4792 ret = get_errno(times(&tms));
53a5960a 4793 if (arg1) {
579a97f7
FB		 4794 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4795 if (!tmsp)
4796 goto efault;
c596ed17
FB		 4797 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4798 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4799 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4800 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 4801 }
c596ed17
FB		 4802 if (!is_error(ret))
4803 ret = host_to_target_clock_t(ret);
32f36bce
FB		 4804 }
4805 break;
ebc05488 4806#ifdef TARGET_NR_prof
31e31b8a
FB		 4807 case TARGET_NR_prof:
4808 goto unimplemented;
ebc05488 4809#endif
e5febef5 4810#ifdef TARGET_NR_signal
31e31b8a
FB		 4811 case TARGET_NR_signal:
4812 goto unimplemented;
e5febef5 4813#endif
31e31b8a 4814 case TARGET_NR_acct:
38d840e6
AJ		 4815 if (arg1 == 0) {
4816 ret = get_errno(acct(NULL));
4817 } else {
4818 if (!(p = lock_user_string(arg1)))
4819 goto efault;
4820 ret = get_errno(acct(path(p)));
4821 unlock_user(p, arg1, 0);
4822 }
24836689 4823 break;
7a3148a9 4824#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 4825 case TARGET_NR_umount2:
579a97f7
FB		 4826 if (!(p = lock_user_string(arg1)))
4827 goto efault;
53a5960a
PB		 4828 ret = get_errno(umount2(p, arg2));
4829 unlock_user(p, arg1, 0);
31e31b8a 4830 break;
7a3148a9 4831#endif
ebc05488 4832#ifdef TARGET_NR_lock
31e31b8a
FB		 4833 case TARGET_NR_lock:
4834 goto unimplemented;
ebc05488 4835#endif
31e31b8a
FB		 4836 case TARGET_NR_ioctl:
4837 ret = do_ioctl(arg1, arg2, arg3);
4838 break;
4839 case TARGET_NR_fcntl:
9ee1fa2c 4840 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 4841 break;
ebc05488 4842#ifdef TARGET_NR_mpx
31e31b8a
FB		 4843 case TARGET_NR_mpx:
4844 goto unimplemented;
ebc05488 4845#endif
31e31b8a
FB		 4846 case TARGET_NR_setpgid:
4847 ret = get_errno(setpgid(arg1, arg2));
4848 break;
ebc05488 4849#ifdef TARGET_NR_ulimit
31e31b8a
FB		 4850 case TARGET_NR_ulimit:
4851 goto unimplemented;
ebc05488
FB		 4852#endif
4853#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 4854 case TARGET_NR_oldolduname:
4855 goto unimplemented;
ebc05488 4856#endif
31e31b8a
FB		 4857 case TARGET_NR_umask:
4858 ret = get_errno(umask(arg1));
4859 break;
4860 case TARGET_NR_chroot:
579a97f7
FB		 4861 if (!(p = lock_user_string(arg1)))
4862 goto efault;
53a5960a
PB		 4863 ret = get_errno(chroot(p));
4864 unlock_user(p, arg1, 0);
31e31b8a
FB		 4865 break;
4866 case TARGET_NR_ustat:
4867 goto unimplemented;
4868 case TARGET_NR_dup2:
4869 ret = get_errno(dup2(arg1, arg2));
4870 break;
d0927938
UH		 4871#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
4872 case TARGET_NR_dup3:
4873 ret = get_errno(dup3(arg1, arg2, arg3));
4874 break;
4875#endif
7a3148a9 4876#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 4877 case TARGET_NR_getppid:
4878 ret = get_errno(getppid());
4879 break;
7a3148a9 4880#endif
31e31b8a
FB		 4881 case TARGET_NR_getpgrp:
4882 ret = get_errno(getpgrp());
4883 break;
4884 case TARGET_NR_setsid:
4885 ret = get_errno(setsid());
4886 break;
e5febef5 4887#ifdef TARGET_NR_sigaction
31e31b8a 4888 case TARGET_NR_sigaction:
31e31b8a 4889 {
6049f4f8
RH		 4890#if defined(TARGET_ALPHA)
4891 struct target_sigaction act, oact, *pact = 0;
53a5960a 4892 struct target_old_sigaction *old_act;
53a5960a 4893 if (arg2) {
579a97f7
FB		 4894 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4895 goto efault;
66fb9763
FB		 4896 act._sa_handler = old_act->_sa_handler;
4897 target_siginitset(&act.sa_mask, old_act->sa_mask);
4898 act.sa_flags = old_act->sa_flags;
6049f4f8 4899 act.sa_restorer = 0;
53a5960a 4900 unlock_user_struct(old_act, arg2, 0);
66fb9763 4901 pact = &act;
66fb9763
FB		 4902 }
4903 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 4904 if (!is_error(ret) && arg3) {
579a97f7
FB		 4905 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4906 goto efault;
53a5960a
PB		 4907 old_act->_sa_handler = oact._sa_handler;
4908 old_act->sa_mask = oact.sa_mask.sig[0];
4909 old_act->sa_flags = oact.sa_flags;
53a5960a 4910 unlock_user_struct(old_act, arg3, 1);
66fb9763 4911 }
6049f4f8 4912#elif defined(TARGET_MIPS)
106ec879
FB		 4913 struct target_sigaction act, oact, *pact, *old_act;
4914
4915 if (arg2) {
579a97f7
FB		 4916 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4917 goto efault;
106ec879
FB		 4918 act._sa_handler = old_act->_sa_handler;
4919 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4920 act.sa_flags = old_act->sa_flags;
4921 unlock_user_struct(old_act, arg2, 0);
4922 pact = &act;
4923 } else {
4924 pact = NULL;
4925 }
4926
4927 ret = get_errno(do_sigaction(arg1, pact, &oact));
4928
4929 if (!is_error(ret) && arg3) {
579a97f7
FB		 4930 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4931 goto efault;
106ec879
FB		 4932 old_act->_sa_handler = oact._sa_handler;
4933 old_act->sa_flags = oact.sa_flags;
4934 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4935 old_act->sa_mask.sig[1] = 0;
4936 old_act->sa_mask.sig[2] = 0;
4937 old_act->sa_mask.sig[3] = 0;
4938 unlock_user_struct(old_act, arg3, 1);
4939 }
6049f4f8
RH		 4940#else
4941 struct target_old_sigaction *old_act;
4942 struct target_sigaction act, oact, *pact;
4943 if (arg2) {
4944 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4945 goto efault;
4946 act._sa_handler = old_act->_sa_handler;
4947 target_siginitset(&act.sa_mask, old_act->sa_mask);
4948 act.sa_flags = old_act->sa_flags;
4949 act.sa_restorer = old_act->sa_restorer;
4950 unlock_user_struct(old_act, arg2, 0);
4951 pact = &act;
4952 } else {
4953 pact = NULL;
4954 }
4955 ret = get_errno(do_sigaction(arg1, pact, &oact));
4956 if (!is_error(ret) && arg3) {
4957 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4958 goto efault;
4959 old_act->_sa_handler = oact._sa_handler;
4960 old_act->sa_mask = oact.sa_mask.sig[0];
4961 old_act->sa_flags = oact.sa_flags;
4962 old_act->sa_restorer = oact.sa_restorer;
4963 unlock_user_struct(old_act, arg3, 1);
4964 }
388bb21a 4965#endif
31e31b8a
FB		 4966 }
4967 break;
e5febef5 4968#endif
66fb9763 4969 case TARGET_NR_rt_sigaction:
53a5960a 4970 {
6049f4f8
RH		 4971#if defined(TARGET_ALPHA)
4972 struct target_sigaction act, oact, *pact = 0;
4973 struct target_rt_sigaction *rt_act;
4974 /* ??? arg4 == sizeof(sigset_t). */
4975 if (arg2) {
4976 if (!lock_user_struct(VERIFY_READ, rt_act, arg2, 1))
4977 goto efault;
4978 act._sa_handler = rt_act->_sa_handler;
4979 act.sa_mask = rt_act->sa_mask;
4980 act.sa_flags = rt_act->sa_flags;
4981 act.sa_restorer = arg5;
4982 unlock_user_struct(rt_act, arg2, 0);
4983 pact = &act;
4984 }
4985 ret = get_errno(do_sigaction(arg1, pact, &oact));
4986 if (!is_error(ret) && arg3) {
4987 if (!lock_user_struct(VERIFY_WRITE, rt_act, arg3, 0))
4988 goto efault;
4989 rt_act->_sa_handler = oact._sa_handler;
4990 rt_act->sa_mask = oact.sa_mask;
4991 rt_act->sa_flags = oact.sa_flags;
4992 unlock_user_struct(rt_act, arg3, 1);
4993 }
4994#else
53a5960a
PB		 4995 struct target_sigaction *act;
4996 struct target_sigaction *oact;
4997
579a97f7
FB		 4998 if (arg2) {
4999 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
5000 goto efault;
5001 } else
53a5960a 5002 act = NULL;
579a97f7
FB		 5003 if (arg3) {
5004 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
5005 ret = -TARGET_EFAULT;
5006 goto rt_sigaction_fail;
5007 }
5008 } else
53a5960a
PB		 5009 oact = NULL;
5010 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 5011 rt_sigaction_fail:
5012 if (act)
53a5960a 5013 unlock_user_struct(act, arg2, 0);
579a97f7 5014 if (oact)
53a5960a 5015 unlock_user_struct(oact, arg3, 1);
6049f4f8 5016#endif
53a5960a 5017 }
66fb9763 5018 break;
7a3148a9 5019#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 5020 case TARGET_NR_sgetmask:
66fb9763
FB		 5021 {
5022 sigset_t cur_set;
992f48a0 5023 abi_ulong target_set;
66fb9763
FB		 5024 sigprocmask(0, NULL, &cur_set);
5025 host_to_target_old_sigset(&target_set, &cur_set);
5026 ret = target_set;
5027 }
5028 break;
7a3148a9
JM		 5029#endif
5030#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 5031 case TARGET_NR_ssetmask:
66fb9763
FB		 5032 {
5033 sigset_t set, oset, cur_set;
992f48a0 5034 abi_ulong target_set = arg1;
66fb9763
FB		 5035 sigprocmask(0, NULL, &cur_set);
5036 target_to_host_old_sigset(&set, &target_set);
5037 sigorset(&set, &set, &cur_set);
5038 sigprocmask(SIG_SETMASK, &set, &oset);
5039 host_to_target_old_sigset(&target_set, &oset);
5040 ret = target_set;
5041 }
5042 break;
7a3148a9 5043#endif
e5febef5 5044#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 5045 case TARGET_NR_sigprocmask:
5046 {
a5b3b13b
RH		 5047#if defined(TARGET_ALPHA)
5048 sigset_t set, oldset;
5049 abi_ulong mask;
5050 int how;
5051
5052 switch (arg1) {
5053 case TARGET_SIG_BLOCK:
5054 how = SIG_BLOCK;
5055 break;
5056 case TARGET_SIG_UNBLOCK:
5057 how = SIG_UNBLOCK;
5058 break;
5059 case TARGET_SIG_SETMASK:
5060 how = SIG_SETMASK;
5061 break;
5062 default:
5063 ret = -TARGET_EINVAL;
5064 goto fail;
5065 }
5066 mask = arg2;
5067 target_to_host_old_sigset(&set, &mask);
5068
5069 ret = get_errno(sigprocmask(how, &set, &oldset));
5070
5071 if (!is_error(ret)) {
5072 host_to_target_old_sigset(&mask, &oldset);
5073 ret = mask;
5074 ((CPUAlphaState *)cpu_env)->[IR_V0] = 0; /* force no error */
5075 }
5076#else
66fb9763 5077 sigset_t set, oldset, *set_ptr;
a5b3b13b 5078 int how;
3b46e624 5079
53a5960a 5080 if (arg2) {
a5b3b13b 5081 switch (arg1) {
66fb9763
FB		 5082 case TARGET_SIG_BLOCK:
5083 how = SIG_BLOCK;
5084 break;
5085 case TARGET_SIG_UNBLOCK:
5086 how = SIG_UNBLOCK;
5087 break;
5088 case TARGET_SIG_SETMASK:
5089 how = SIG_SETMASK;
5090 break;
5091 default:
0da46a6e 5092 ret = -TARGET_EINVAL;
66fb9763
FB		 5093 goto fail;
5094 }
c227f099 5095 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5096 goto efault;
53a5960a
PB		 5097 target_to_host_old_sigset(&set, p);
5098 unlock_user(p, arg2, 0);
66fb9763
FB		 5099 set_ptr = &set;
5100 } else {
5101 how = 0;
5102 set_ptr = NULL;
5103 }
a5b3b13b 5104 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 5105 if (!is_error(ret) && arg3) {
c227f099 5106 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 5107 goto efault;
53a5960a 5108 host_to_target_old_sigset(p, &oldset);
c227f099 5109 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763 5110 }
a5b3b13b 5111#endif
66fb9763
FB		 5112 }
5113 break;
e5febef5 5114#endif
66fb9763
FB		 5115 case TARGET_NR_rt_sigprocmask:
5116 {
5117 int how = arg1;
5118 sigset_t set, oldset, *set_ptr;
3b46e624 5119
53a5960a 5120 if (arg2) {
66fb9763
FB		 5121 switch(how) {
5122 case TARGET_SIG_BLOCK:
5123 how = SIG_BLOCK;
5124 break;
5125 case TARGET_SIG_UNBLOCK:
5126 how = SIG_UNBLOCK;
5127 break;
5128 case TARGET_SIG_SETMASK:
5129 how = SIG_SETMASK;
5130 break;
5131 default:
0da46a6e 5132 ret = -TARGET_EINVAL;
66fb9763
FB		 5133 goto fail;
5134 }
c227f099 5135 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 5136 goto efault;
53a5960a
PB		 5137 target_to_host_sigset(&set, p);
5138 unlock_user(p, arg2, 0);
66fb9763
FB		 5139 set_ptr = &set;
5140 } else {
5141 how = 0;
5142 set_ptr = NULL;
5143 }
5144 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 5145 if (!is_error(ret) && arg3) {
c227f099 5146 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 5147 goto efault;
53a5960a 5148 host_to_target_sigset(p, &oldset);
c227f099 5149 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 5150 }
5151 }
5152 break;
e5febef5 5153#ifdef TARGET_NR_sigpending
66fb9763
FB		 5154 case TARGET_NR_sigpending:
5155 {
5156 sigset_t set;
5157 ret = get_errno(sigpending(&set));
5158 if (!is_error(ret)) {
c227f099 5159 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 5160 goto efault;
53a5960a 5161 host_to_target_old_sigset(p, &set);
c227f099 5162 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 5163 }
5164 }
5165 break;
e5febef5 5166#endif
66fb9763
FB		 5167 case TARGET_NR_rt_sigpending:
5168 {
5169 sigset_t set;
5170 ret = get_errno(sigpending(&set));
5171 if (!is_error(ret)) {
c227f099 5172 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 5173 goto efault;
53a5960a 5174 host_to_target_sigset(p, &set);
c227f099 5175 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 5176 }
5177 }
5178 break;
e5febef5 5179#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 5180 case TARGET_NR_sigsuspend:
5181 {
5182 sigset_t set;
f43ce12b
RH		 5183#if defined(TARGET_ALPHA)
5184 abi_ulong mask = arg1;
5185 target_to_host_old_sigset(&set, &mask);
5186#else
c227f099 5187 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5188 goto efault;
53a5960a
PB		 5189 target_to_host_old_sigset(&set, p);
5190 unlock_user(p, arg1, 0);
f43ce12b 5191#endif
66fb9763
FB		 5192 ret = get_errno(sigsuspend(&set));
5193 }
5194 break;
e5febef5 5195#endif
66fb9763
FB		 5196 case TARGET_NR_rt_sigsuspend:
5197 {
5198 sigset_t set;
c227f099 5199 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5200 goto efault;
53a5960a
PB		 5201 target_to_host_sigset(&set, p);
5202 unlock_user(p, arg1, 0);
66fb9763
FB		 5203 ret = get_errno(sigsuspend(&set));
5204 }
5205 break;
5206 case TARGET_NR_rt_sigtimedwait:
5207 {
66fb9763
FB		 5208 sigset_t set;
5209 struct timespec uts, *puts;
5210 siginfo_t uinfo;
3b46e624 5211
c227f099 5212 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5213 goto efault;
53a5960a
PB		 5214 target_to_host_sigset(&set, p);
5215 unlock_user(p, arg1, 0);
5216 if (arg3) {
66fb9763 5217 puts = &uts;
53a5960a 5218 target_to_host_timespec(puts, arg3);
66fb9763
FB		 5219 } else {
5220 puts = NULL;
5221 }
5222 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 5223 if (!is_error(ret) && arg2) {
c227f099 5224 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 5225 goto efault;
53a5960a 5226 host_to_target_siginfo(p, &uinfo);
c227f099 5227 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 5228 }
5229 }
5230 break;
5231 case TARGET_NR_rt_sigqueueinfo:
5232 {
5233 siginfo_t uinfo;
c227f099 5234 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 5235 goto efault;
53a5960a
PB		 5236 target_to_host_siginfo(&uinfo, p);
5237 unlock_user(p, arg1, 0);
66fb9763
FB		 5238 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5239 }
5240 break;
e5febef5 5241#ifdef TARGET_NR_sigreturn
66fb9763
FB		 5242 case TARGET_NR_sigreturn:
5243 /* NOTE: ret is eax, so not transcoding must be done */
5244 ret = do_sigreturn(cpu_env);
5245 break;
e5febef5 5246#endif
66fb9763
FB		 5247 case TARGET_NR_rt_sigreturn:
5248 /* NOTE: ret is eax, so not transcoding must be done */
5249 ret = do_rt_sigreturn(cpu_env);
5250 break;
31e31b8a 5251 case TARGET_NR_sethostname:
579a97f7
FB		 5252 if (!(p = lock_user_string(arg1)))
5253 goto efault;
53a5960a
PB		 5254 ret = get_errno(sethostname(p, arg2));
5255 unlock_user(p, arg1, 0);
31e31b8a
FB		 5256 break;
5257 case TARGET_NR_setrlimit:
9de5e440 5258 {
9de5e440 5259 int resource = arg1;
53a5960a 5260 struct target_rlimit *target_rlim;
9de5e440 5261 struct rlimit rlim;
579a97f7
FB		 5262 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5263 goto efault;
81bbe906
TY		 5264 rlim.rlim_cur = target_to_host_rlim(target_rlim->rlim_cur);
5265 rlim.rlim_max = target_to_host_rlim(target_rlim->rlim_max);
53a5960a 5266 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 5267 ret = get_errno(setrlimit(resource, &rlim));
5268 }
5269 break;
31e31b8a 5270 case TARGET_NR_getrlimit:
9de5e440 5271 {
9de5e440 5272 int resource = arg1;
53a5960a 5273 struct target_rlimit *target_rlim;
9de5e440 5274 struct rlimit rlim;
3b46e624 5275
9de5e440
FB		 5276 ret = get_errno(getrlimit(resource, &rlim));
5277 if (!is_error(ret)) {
579a97f7
FB		 5278 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5279 goto efault;
81bbe906
TY		 5280 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
5281 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 5282 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 5283 }
5284 }
5285 break;
31e31b8a 5286 case TARGET_NR_getrusage:
b409186b
FB		 5287 {
5288 struct rusage rusage;
b409186b
FB		 5289 ret = get_errno(getrusage(arg1, &rusage));
5290 if (!is_error(ret)) {
53a5960a 5291 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 5292 }
5293 }
5294 break;
31e31b8a
FB		 5295 case TARGET_NR_gettimeofday:
5296 {
31e31b8a
FB		 5297 struct timeval tv;
5298 ret = get_errno(gettimeofday(&tv, NULL));
5299 if (!is_error(ret)) {
788f5ec4
TS		 5300 if (copy_to_user_timeval(arg1, &tv))
5301 goto efault;
31e31b8a
FB		 5302 }
5303 }
5304 break;
5305 case TARGET_NR_settimeofday:
5306 {
31e31b8a 5307 struct timeval tv;
788f5ec4
TS		 5308 if (copy_from_user_timeval(&tv, arg1))
5309 goto efault;
31e31b8a
FB		 5310 ret = get_errno(settimeofday(&tv, NULL));
5311 }
5312 break;
048f6b4d 5313#ifdef TARGET_NR_select
31e31b8a 5314 case TARGET_NR_select:
f2674e31 5315 {
53a5960a 5316 struct target_sel_arg_struct *sel;
992f48a0 5317 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 5318 long nsel;
5319
579a97f7
FB		 5320 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5321 goto efault;
53a5960a
PB		 5322 nsel = tswapl(sel->n);
5323 inp = tswapl(sel->inp);
5324 outp = tswapl(sel->outp);
5325 exp = tswapl(sel->exp);
5326 tvp = tswapl(sel->tvp);
5327 unlock_user_struct(sel, arg1, 0);
5328 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 5329 }
5330 break;
9e42382f
RV		 5331#endif
5332#ifdef TARGET_NR_pselect6
5333 case TARGET_NR_pselect6:
5334 goto unimplemented_nowarn;
048f6b4d 5335#endif
31e31b8a 5336 case TARGET_NR_symlink:
53a5960a
PB		 5337 {
5338 void *p2;
5339 p = lock_user_string(arg1);
5340 p2 = lock_user_string(arg2);
579a97f7
FB		 5341 if (!p || !p2)
5342 ret = -TARGET_EFAULT;
5343 else
5344 ret = get_errno(symlink(p, p2));
53a5960a
PB		 5345 unlock_user(p2, arg2, 0);
5346 unlock_user(p, arg1, 0);
5347 }
31e31b8a 5348 break;
f0b6243d
TS		 5349#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5350 case TARGET_NR_symlinkat:
f0b6243d 5351 {
579a97f7 5352 void *p2;
f0b6243d
TS		 5353 p = lock_user_string(arg1);
5354 p2 = lock_user_string(arg3);
579a97f7 5355 if (!p || !p2)
0da46a6e 5356 ret = -TARGET_EFAULT;
f0b6243d
TS		 5357 else
5358 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 5359 unlock_user(p2, arg3, 0);
5360 unlock_user(p, arg1, 0);
f0b6243d
TS		 5361 }
5362 break;
5363#endif
ebc05488 5364#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 5365 case TARGET_NR_oldlstat:
5366 goto unimplemented;
ebc05488 5367#endif
31e31b8a 5368 case TARGET_NR_readlink:
53a5960a 5369 {
d088d664 5370 void *p2, *temp;
53a5960a 5371 p = lock_user_string(arg1);
579a97f7
FB		 5372 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5373 if (!p || !p2)
5374 ret = -TARGET_EFAULT;
d088d664
AJ		 5375 else {
5376 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5377 char real[PATH_MAX];
5378 temp = realpath(exec_path,real);
5379 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5380 snprintf((char *)p2, arg3, "%s", real);
5381 }
5382 else
5383 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 5384 }
53a5960a
PB		 5385 unlock_user(p2, arg2, ret);
5386 unlock_user(p, arg1, 0);
5387 }
31e31b8a 5388 break;
5e0ccb18
TS		 5389#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5390 case TARGET_NR_readlinkat:
5e0ccb18 5391 {
579a97f7 5392 void *p2;
5e0ccb18 5393 p = lock_user_string(arg2);
579a97f7
FB		 5394 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5395 if (!p || !p2)
0da46a6e 5396 ret = -TARGET_EFAULT;
5e0ccb18
TS		 5397 else
5398 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 5399 unlock_user(p2, arg3, ret);
5400 unlock_user(p, arg2, 0);
5e0ccb18
TS		 5401 }
5402 break;
5403#endif
e5febef5 5404#ifdef TARGET_NR_uselib
31e31b8a
FB		 5405 case TARGET_NR_uselib:
5406 goto unimplemented;
e5febef5
TS		 5407#endif
5408#ifdef TARGET_NR_swapon
31e31b8a 5409 case TARGET_NR_swapon:
579a97f7
FB		 5410 if (!(p = lock_user_string(arg1)))
5411 goto efault;
53a5960a
PB		 5412 ret = get_errno(swapon(p, arg2));
5413 unlock_user(p, arg1, 0);
31e31b8a 5414 break;
e5febef5 5415#endif
31e31b8a
FB		 5416 case TARGET_NR_reboot:
5417 goto unimplemented;
e5febef5 5418#ifdef TARGET_NR_readdir
31e31b8a
FB		 5419 case TARGET_NR_readdir:
5420 goto unimplemented;
e5febef5
TS		 5421#endif
5422#ifdef TARGET_NR_mmap
31e31b8a 5423 case TARGET_NR_mmap:
b779e29e 5424#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
31e31b8a 5425 {
992f48a0
BS		 5426 abi_ulong *v;
5427 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 5428 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5429 goto efault;
53a5960a
PB		 5430 v1 = tswapl(v[0]);
5431 v2 = tswapl(v[1]);
5432 v3 = tswapl(v[2]);
5433 v4 = tswapl(v[3]);
5434 v5 = tswapl(v[4]);
5435 v6 = tswapl(v[5]);
5436 unlock_user(v, arg1, 0);
5fafdf24 5437 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 5438 target_to_host_bitmask(v4, mmap_flags_tbl),
5439 v5, v6));
31e31b8a 5440 }
31e31b8a 5441#else
5fafdf24
TS		 5442 ret = get_errno(target_mmap(arg1, arg2, arg3,
5443 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 5444 arg5,
5445 arg6));
31e31b8a 5446#endif
6fb883e8 5447 break;
e5febef5 5448#endif
a315a145 5449#ifdef TARGET_NR_mmap2
6fb883e8 5450 case TARGET_NR_mmap2:
bb7ec043 5451#ifndef MMAP_SHIFT
c573ff67 5452#define MMAP_SHIFT 12
c573ff67 5453#endif
5fafdf24
TS		 5454 ret = get_errno(target_mmap(arg1, arg2, arg3,
5455 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 5456 arg5,
c573ff67 5457 arg6 << MMAP_SHIFT));
31e31b8a 5458 break;
a315a145 5459#endif
31e31b8a 5460 case TARGET_NR_munmap:
54936004 5461 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 5462 break;
9de5e440 5463 case TARGET_NR_mprotect:
97374d38
PB		 5464 {
5465 TaskState *ts = ((CPUState *)cpu_env)->opaque;
5466 /* Special hack to detect libc making the stack executable. */
5467 if ((arg3 & PROT_GROWSDOWN)
5468 && arg1 >= ts->info->stack_limit
5469 && arg1 <= ts->info->start_stack) {
5470 arg3 &= ~PROT_GROWSDOWN;
5471 arg2 = arg2 + arg1 - ts->info->stack_limit;
5472 arg1 = ts->info->stack_limit;
5473 }
5474 }
54936004 5475 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 5476 break;
e5febef5 5477#ifdef TARGET_NR_mremap
9de5e440 5478 case TARGET_NR_mremap:
54936004 5479 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 5480 break;
e5febef5 5481#endif
53a5960a 5482 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 5483#ifdef TARGET_NR_msync
9de5e440 5484 case TARGET_NR_msync:
53a5960a 5485 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 5486 break;
e5febef5
TS		 5487#endif
5488#ifdef TARGET_NR_mlock
9de5e440 5489 case TARGET_NR_mlock:
53a5960a 5490 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 5491 break;
e5febef5
TS		 5492#endif
5493#ifdef TARGET_NR_munlock
9de5e440 5494 case TARGET_NR_munlock:
53a5960a 5495 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 5496 break;
e5febef5
TS		 5497#endif
5498#ifdef TARGET_NR_mlockall
9de5e440
FB		 5499 case TARGET_NR_mlockall:
5500 ret = get_errno(mlockall(arg1));
5501 break;
e5febef5
TS		 5502#endif
5503#ifdef TARGET_NR_munlockall
9de5e440
FB		 5504 case TARGET_NR_munlockall:
5505 ret = get_errno(munlockall());
5506 break;
e5febef5 5507#endif
31e31b8a 5508 case TARGET_NR_truncate:
579a97f7
FB		 5509 if (!(p = lock_user_string(arg1)))
5510 goto efault;
53a5960a
PB		 5511 ret = get_errno(truncate(p, arg2));
5512 unlock_user(p, arg1, 0);
31e31b8a
FB		 5513 break;
5514 case TARGET_NR_ftruncate:
5515 ret = get_errno(ftruncate(arg1, arg2));
5516 break;
5517 case TARGET_NR_fchmod:
5518 ret = get_errno(fchmod(arg1, arg2));
5519 break;
814d7977
TS		 5520#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5521 case TARGET_NR_fchmodat:
579a97f7
FB		 5522 if (!(p = lock_user_string(arg2)))
5523 goto efault;
465c9f06 5524 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 5525 unlock_user(p, arg2, 0);
814d7977
TS		 5526 break;
5527#endif
31e31b8a 5528 case TARGET_NR_getpriority:
c6cda17a
TS		 5529 /* libc does special remapping of the return value of
5530 * sys_getpriority() so it's just easiest to call
5531 * sys_getpriority() directly rather than through libc. */
69137206 5532 ret = get_errno(sys_getpriority(arg1, arg2));
31e31b8a
FB		 5533 break;
5534 case TARGET_NR_setpriority:
5535 ret = get_errno(setpriority(arg1, arg2, arg3));
5536 break;
ebc05488 5537#ifdef TARGET_NR_profil
31e31b8a
FB		 5538 case TARGET_NR_profil:
5539 goto unimplemented;
ebc05488 5540#endif
31e31b8a 5541 case TARGET_NR_statfs:
579a97f7
FB		 5542 if (!(p = lock_user_string(arg1)))
5543 goto efault;
53a5960a
PB		 5544 ret = get_errno(statfs(path(p), &stfs));
5545 unlock_user(p, arg1, 0);
31e31b8a
FB		 5546 convert_statfs:
5547 if (!is_error(ret)) {
53a5960a 5548 struct target_statfs *target_stfs;
3b46e624 5549
579a97f7
FB		 5550 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5551 goto efault;
5552 __put_user(stfs.f_type, &target_stfs->f_type);
5553 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5554 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5555 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5556 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5557 __put_user(stfs.f_files, &target_stfs->f_files);
5558 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5559 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5560 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5561 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 5562 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 5563 }
5564 break;
5565 case TARGET_NR_fstatfs:
56c8f68f 5566 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 5567 goto convert_statfs;
56c8f68f
FB		 5568#ifdef TARGET_NR_statfs64
5569 case TARGET_NR_statfs64:
579a97f7
FB		 5570 if (!(p = lock_user_string(arg1)))
5571 goto efault;
53a5960a
PB		 5572 ret = get_errno(statfs(path(p), &stfs));
5573 unlock_user(p, arg1, 0);
56c8f68f
FB		 5574 convert_statfs64:
5575 if (!is_error(ret)) {
53a5960a 5576 struct target_statfs64 *target_stfs;
3b46e624 5577
579a97f7
FB		 5578 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5579 goto efault;
5580 __put_user(stfs.f_type, &target_stfs->f_type);
5581 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5582 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5583 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5584 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5585 __put_user(stfs.f_files, &target_stfs->f_files);
5586 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5587 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5588 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5589 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5590 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 5591 }
5592 break;
5593 case TARGET_NR_fstatfs64:
5594 ret = get_errno(fstatfs(arg1, &stfs));
5595 goto convert_statfs64;
5596#endif
ebc05488 5597#ifdef TARGET_NR_ioperm
31e31b8a
FB		 5598 case TARGET_NR_ioperm:
5599 goto unimplemented;
ebc05488 5600#endif
e5febef5 5601#ifdef TARGET_NR_socketcall
31e31b8a 5602 case TARGET_NR_socketcall:
53a5960a 5603 ret = do_socketcall(arg1, arg2);
31e31b8a 5604 break;
e5febef5 5605#endif
3532fa74
FB		 5606#ifdef TARGET_NR_accept
5607 case TARGET_NR_accept:
1be9e1dc 5608 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 5609 break;
5610#endif
5611#ifdef TARGET_NR_bind
5612 case TARGET_NR_bind:
5613 ret = do_bind(arg1, arg2, arg3);
5614 break;
5615#endif
5616#ifdef TARGET_NR_connect
5617 case TARGET_NR_connect:
5618 ret = do_connect(arg1, arg2, arg3);
5619 break;
5620#endif
5621#ifdef TARGET_NR_getpeername
5622 case TARGET_NR_getpeername:
1be9e1dc 5623 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 5624 break;
5625#endif
5626#ifdef TARGET_NR_getsockname
5627 case TARGET_NR_getsockname:
1be9e1dc 5628 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 5629 break;
5630#endif
5631#ifdef TARGET_NR_getsockopt
5632 case TARGET_NR_getsockopt:
5633 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5634 break;
5635#endif
5636#ifdef TARGET_NR_listen
5637 case TARGET_NR_listen:
1be9e1dc 5638 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 5639 break;
5640#endif
5641#ifdef TARGET_NR_recv
5642 case TARGET_NR_recv:
214201bd 5643 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5644 break;
5645#endif
5646#ifdef TARGET_NR_recvfrom
5647 case TARGET_NR_recvfrom:
214201bd 5648 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5649 break;
5650#endif
5651#ifdef TARGET_NR_recvmsg
5652 case TARGET_NR_recvmsg:
5653 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5654 break;
5655#endif
5656#ifdef TARGET_NR_send
5657 case TARGET_NR_send:
1be9e1dc 5658 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5659 break;
5660#endif
5661#ifdef TARGET_NR_sendmsg
5662 case TARGET_NR_sendmsg:
5663 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5664 break;
5665#endif
5666#ifdef TARGET_NR_sendto
5667 case TARGET_NR_sendto:
1be9e1dc 5668 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5669 break;
5670#endif
5671#ifdef TARGET_NR_shutdown
5672 case TARGET_NR_shutdown:
1be9e1dc 5673 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 5674 break;
5675#endif
5676#ifdef TARGET_NR_socket
5677 case TARGET_NR_socket:
5678 ret = do_socket(arg1, arg2, arg3);
5679 break;
5680#endif
5681#ifdef TARGET_NR_socketpair
5682 case TARGET_NR_socketpair:
1be9e1dc 5683 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 5684 break;
5685#endif
5686#ifdef TARGET_NR_setsockopt
5687 case TARGET_NR_setsockopt:
5688 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5689 break;
5690#endif
7494b0f9 5691
31e31b8a 5692 case TARGET_NR_syslog:
579a97f7
FB		 5693 if (!(p = lock_user_string(arg2)))
5694 goto efault;
e5574487
TS		 5695 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5696 unlock_user(p, arg2, 0);
7494b0f9
TS		 5697 break;
5698
31e31b8a 5699 case TARGET_NR_setitimer:
66fb9763 5700 {
66fb9763
FB		 5701 struct itimerval value, ovalue, *pvalue;
5702
53a5960a 5703 if (arg2) {
66fb9763 5704 pvalue = &value;
788f5ec4
TS		 5705 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5706 || copy_from_user_timeval(&pvalue->it_value,
5707 arg2 + sizeof(struct target_timeval)))
5708 goto efault;
66fb9763
FB		 5709 } else {
5710 pvalue = NULL;
5711 }
5712 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 5713 if (!is_error(ret) && arg3) {
788f5ec4
TS		 5714 if (copy_to_user_timeval(arg3,
5715 &ovalue.it_interval)
5716 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5717 &ovalue.it_value))
5718 goto efault;
66fb9763
FB		 5719 }
5720 }
5721 break;
31e31b8a 5722 case TARGET_NR_getitimer:
66fb9763 5723 {
66fb9763 5724 struct itimerval value;
3b46e624 5725
66fb9763 5726 ret = get_errno(getitimer(arg1, &value));
53a5960a 5727 if (!is_error(ret) && arg2) {
788f5ec4
TS		 5728 if (copy_to_user_timeval(arg2,
5729 &value.it_interval)
5730 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5731 &value.it_value))
5732 goto efault;
66fb9763
FB		 5733 }
5734 }
5735 break;
31e31b8a 5736 case TARGET_NR_stat:
579a97f7
FB		 5737 if (!(p = lock_user_string(arg1)))
5738 goto efault;
53a5960a
PB		 5739 ret = get_errno(stat(path(p), &st));
5740 unlock_user(p, arg1, 0);
31e31b8a
FB		 5741 goto do_stat;
5742 case TARGET_NR_lstat:
579a97f7
FB		 5743 if (!(p = lock_user_string(arg1)))
5744 goto efault;
53a5960a
PB		 5745 ret = get_errno(lstat(path(p), &st));
5746 unlock_user(p, arg1, 0);
31e31b8a
FB		 5747 goto do_stat;
5748 case TARGET_NR_fstat:
5749 {
5750 ret = get_errno(fstat(arg1, &st));
5751 do_stat:
5752 if (!is_error(ret)) {
53a5960a 5753 struct target_stat *target_st;
e3584658 5754
579a97f7
FB		 5755 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5756 goto efault;
12727917 5757 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 5758 __put_user(st.st_dev, &target_st->st_dev);
5759 __put_user(st.st_ino, &target_st->st_ino);
5760 __put_user(st.st_mode, &target_st->st_mode);
5761 __put_user(st.st_uid, &target_st->st_uid);
5762 __put_user(st.st_gid, &target_st->st_gid);
5763 __put_user(st.st_nlink, &target_st->st_nlink);
5764 __put_user(st.st_rdev, &target_st->st_rdev);
5765 __put_user(st.st_size, &target_st->st_size);
5766 __put_user(st.st_blksize, &target_st->st_blksize);
5767 __put_user(st.st_blocks, &target_st->st_blocks);
5768 __put_user(st.st_atime, &target_st->target_st_atime);
5769 __put_user(st.st_mtime, &target_st->target_st_mtime);
5770 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 5771 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 5772 }
5773 }
5774 break;
ebc05488 5775#ifdef TARGET_NR_olduname
31e31b8a
FB		 5776 case TARGET_NR_olduname:
5777 goto unimplemented;
ebc05488
FB		 5778#endif
5779#ifdef TARGET_NR_iopl
31e31b8a
FB		 5780 case TARGET_NR_iopl:
5781 goto unimplemented;
ebc05488 5782#endif
31e31b8a
FB		 5783 case TARGET_NR_vhangup:
5784 ret = get_errno(vhangup());
5785 break;
ebc05488 5786#ifdef TARGET_NR_idle
31e31b8a
FB		 5787 case TARGET_NR_idle:
5788 goto unimplemented;
42ad6ae9
FB		 5789#endif
5790#ifdef TARGET_NR_syscall
5791 case TARGET_NR_syscall:
5792 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5793 break;
ebc05488 5794#endif
31e31b8a
FB		 5795 case TARGET_NR_wait4:
5796 {
5797 int status;
992f48a0 5798 abi_long status_ptr = arg2;
31e31b8a 5799 struct rusage rusage, *rusage_ptr;
992f48a0 5800 abi_ulong target_rusage = arg4;
31e31b8a
FB		 5801 if (target_rusage)
5802 rusage_ptr = &rusage;
5803 else
5804 rusage_ptr = NULL;
5805 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5806 if (!is_error(ret)) {
2f619698 5807 if (status_ptr) {
1d9d8b55 5808 status = host_to_target_waitstatus(status);
2f619698
FB		 5809 if (put_user_s32(status, status_ptr))
5810 goto efault;
31e31b8a 5811 }
2f619698
FB		 5812 if (target_rusage)
5813 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 5814 }
5815 }
5816 break;
e5febef5 5817#ifdef TARGET_NR_swapoff
31e31b8a 5818 case TARGET_NR_swapoff:
579a97f7
FB		 5819 if (!(p = lock_user_string(arg1)))
5820 goto efault;
53a5960a
PB		 5821 ret = get_errno(swapoff(p));
5822 unlock_user(p, arg1, 0);
31e31b8a 5823 break;
e5febef5 5824#endif
31e31b8a 5825 case TARGET_NR_sysinfo:
a5448a7d 5826 {
53a5960a 5827 struct target_sysinfo *target_value;
a5448a7d
FB		 5828 struct sysinfo value;
5829 ret = get_errno(sysinfo(&value));
53a5960a 5830 if (!is_error(ret) && arg1)
a5448a7d 5831 {
579a97f7
FB		 5832 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5833 goto efault;
a5448a7d
FB		 5834 __put_user(value.uptime, &target_value->uptime);
5835 __put_user(value.loads[0], &target_value->loads[0]);
5836 __put_user(value.loads[1], &target_value->loads[1]);
5837 __put_user(value.loads[2], &target_value->loads[2]);
5838 __put_user(value.totalram, &target_value->totalram);
5839 __put_user(value.freeram, &target_value->freeram);
5840 __put_user(value.sharedram, &target_value->sharedram);
5841 __put_user(value.bufferram, &target_value->bufferram);
5842 __put_user(value.totalswap, &target_value->totalswap);
5843 __put_user(value.freeswap, &target_value->freeswap);
5844 __put_user(value.procs, &target_value->procs);
5845 __put_user(value.totalhigh, &target_value->totalhigh);
5846 __put_user(value.freehigh, &target_value->freehigh);
5847 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 5848 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 5849 }
5850 }
5851 break;
e5febef5 5852#ifdef TARGET_NR_ipc
31e31b8a 5853 case TARGET_NR_ipc:
8853f86e
FB		 5854 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5855 break;
e5febef5 5856#endif
e5289087
AJ		 5857#ifdef TARGET_NR_semget
5858 case TARGET_NR_semget:
5859 ret = get_errno(semget(arg1, arg2, arg3));
5860 break;
5861#endif
5862#ifdef TARGET_NR_semop
5863 case TARGET_NR_semop:
5864 ret = get_errno(do_semop(arg1, arg2, arg3));
5865 break;
5866#endif
5867#ifdef TARGET_NR_semctl
5868 case TARGET_NR_semctl:
5869 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5870 break;
5871#endif
eeb438c1
AJ		 5872#ifdef TARGET_NR_msgctl
5873 case TARGET_NR_msgctl:
5874 ret = do_msgctl(arg1, arg2, arg3);
5875 break;
5876#endif
5877#ifdef TARGET_NR_msgget
5878 case TARGET_NR_msgget:
5879 ret = get_errno(msgget(arg1, arg2));
5880 break;
5881#endif
5882#ifdef TARGET_NR_msgrcv
5883 case TARGET_NR_msgrcv:
5884 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5885 break;
5886#endif
5887#ifdef TARGET_NR_msgsnd
5888 case TARGET_NR_msgsnd:
5889 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5890 break;
88a8c984
RV		 5891#endif
5892#ifdef TARGET_NR_shmget
5893 case TARGET_NR_shmget:
5894 ret = get_errno(shmget(arg1, arg2, arg3));
5895 break;
5896#endif
5897#ifdef TARGET_NR_shmctl
5898 case TARGET_NR_shmctl:
5899 ret = do_shmctl(arg1, arg2, arg3);
5900 break;
5901#endif
5902#ifdef TARGET_NR_shmat
5903 case TARGET_NR_shmat:
5904 ret = do_shmat(arg1, arg2, arg3);
5905 break;
5906#endif
5907#ifdef TARGET_NR_shmdt
5908 case TARGET_NR_shmdt:
5909 ret = do_shmdt(arg1);
5910 break;
eeb438c1 5911#endif
31e31b8a
FB		 5912 case TARGET_NR_fsync:
5913 ret = get_errno(fsync(arg1));
5914 break;
31e31b8a 5915 case TARGET_NR_clone:
a4b388ff 5916#if defined(TARGET_SH4) || defined(TARGET_ALPHA)
0b6d3ae0 5917 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 5918#elif defined(TARGET_CRIS)
5919 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
0b6d3ae0 5920#else
d865bab5 5921 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 5922#endif
1b6b029e 5923 break;
ec86b0fb
FB		 5924#ifdef __NR_exit_group
5925 /* new thread calls */
5926 case TARGET_NR_exit_group:
9788c9ca 5927#ifdef TARGET_GPROF
6d946cda
AJ		 5928 _mcleanup();
5929#endif
e9009676 5930 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 5931 ret = get_errno(exit_group(arg1));
5932 break;
5933#endif
31e31b8a 5934 case TARGET_NR_setdomainname:
579a97f7
FB		 5935 if (!(p = lock_user_string(arg1)))
5936 goto efault;
53a5960a
PB		 5937 ret = get_errno(setdomainname(p, arg2));
5938 unlock_user(p, arg1, 0);
31e31b8a
FB		 5939 break;
5940 case TARGET_NR_uname:
5941 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 5942 {
5943 struct new_utsname * buf;
3b46e624 5944
579a97f7
FB		 5945 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5946 goto efault;
29e619b1
FB		 5947 ret = get_errno(sys_uname(buf));
5948 if (!is_error(ret)) {
5949 /* Overrite the native machine name with whatever is being
5950 emulated. */
da79030f 5951 strcpy (buf->machine, cpu_to_uname_machine(cpu_env));
c5937220
PB		 5952 /* Allow the user to override the reported release. */
5953 if (qemu_uname_release && *qemu_uname_release)
5954 strcpy (buf->release, qemu_uname_release);
29e619b1 5955 }
53a5960a 5956 unlock_user_struct(buf, arg1, 1);
29e619b1 5957 }
31e31b8a 5958 break;
6dbad63e 5959#ifdef TARGET_I386
31e31b8a 5960 case TARGET_NR_modify_ldt:
03acab66 5961 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 5962 break;
84409ddb 5963#if !defined(TARGET_X86_64)
5cd4393b
FB		 5964 case TARGET_NR_vm86old:
5965 goto unimplemented;
5966 case TARGET_NR_vm86:
53a5960a 5967 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 5968 break;
84409ddb 5969#endif
6dbad63e 5970#endif
31e31b8a
FB		 5971 case TARGET_NR_adjtimex:
5972 goto unimplemented;
e5febef5 5973#ifdef TARGET_NR_create_module
31e31b8a 5974 case TARGET_NR_create_module:
e5febef5 5975#endif
31e31b8a
FB		 5976 case TARGET_NR_init_module:
5977 case TARGET_NR_delete_module:
e5febef5 5978#ifdef TARGET_NR_get_kernel_syms
31e31b8a 5979 case TARGET_NR_get_kernel_syms:
e5febef5 5980#endif
31e31b8a
FB		 5981 goto unimplemented;
5982 case TARGET_NR_quotactl:
5983 goto unimplemented;
5984 case TARGET_NR_getpgid:
5985 ret = get_errno(getpgid(arg1));
5986 break;
5987 case TARGET_NR_fchdir:
5988 ret = get_errno(fchdir(arg1));
5989 break;
84409ddb 5990#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 5991 case TARGET_NR_bdflush:
5992 goto unimplemented;
84409ddb 5993#endif
e5febef5 5994#ifdef TARGET_NR_sysfs
31e31b8a
FB		 5995 case TARGET_NR_sysfs:
5996 goto unimplemented;
e5febef5 5997#endif
31e31b8a 5998 case TARGET_NR_personality:
1b6b029e 5999 ret = get_errno(personality(arg1));
31e31b8a 6000 break;
e5febef5 6001#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 6002 case TARGET_NR_afs_syscall:
6003 goto unimplemented;
e5febef5 6004#endif
7a3148a9 6005#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 6006 case TARGET_NR__llseek:
6007 {
d35b261c 6008#if !defined(__NR_llseek)
4f2ac237 6009 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2f619698
FB		 6010 if (put_user_s64(ret, arg4))
6011 goto efault;
4f2ac237 6012#else
31e31b8a
FB		 6013 int64_t res;
6014 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2f619698
FB		 6015 if (put_user_s64(res, arg4))
6016 goto efault;
4f2ac237 6017#endif
31e31b8a
FB		 6018 }
6019 break;
7a3148a9 6020#endif
31e31b8a 6021 case TARGET_NR_getdents:
d83c8733 6022#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 6023 {
53a5960a 6024 struct target_dirent *target_dirp;
6556a833 6025 struct linux_dirent *dirp;
992f48a0 6026 abi_long count = arg3;
4add45b4
FB		 6027
6028 dirp = malloc(count);
0da46a6e 6029 if (!dirp) {
579a97f7 6030 ret = -TARGET_ENOMEM;
0da46a6e
TS		 6031 goto fail;
6032 }
3b46e624 6033
4add45b4
FB		 6034 ret = get_errno(sys_getdents(arg1, dirp, count));
6035 if (!is_error(ret)) {
6556a833 6036 struct linux_dirent *de;
4add45b4
FB		 6037 struct target_dirent *tde;
6038 int len = ret;
6039 int reclen, treclen;
6040 int count1, tnamelen;
6041
6042 count1 = 0;
6043 de = dirp;
579a97f7
FB		 6044 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6045 goto efault;
4add45b4
FB		 6046 tde = target_dirp;
6047 while (len > 0) {
6048 reclen = de->d_reclen;
992f48a0 6049 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4
FB		 6050 tde->d_reclen = tswap16(treclen);
6051 tde->d_ino = tswapl(de->d_ino);
6052 tde->d_off = tswapl(de->d_off);
992f48a0 6053 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 6054 if (tnamelen > 256)
6055 tnamelen = 256;
80a9d035 6056 /* XXX: may not be correct */
be15b141 6057 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 6058 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 6059 len -= reclen;
1c5bf3bf 6060 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 6061 count1 += treclen;
6062 }
6063 ret = count1;
579a97f7 6064 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 6065 }
6066 free(dirp);
6067 }
6068#else
31e31b8a 6069 {
6556a833 6070 struct linux_dirent *dirp;
992f48a0 6071 abi_long count = arg3;
dab2ed99 6072
579a97f7
FB		 6073 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6074 goto efault;
72f03900 6075 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 6076 if (!is_error(ret)) {
6556a833 6077 struct linux_dirent *de;
31e31b8a
FB		 6078 int len = ret;
6079 int reclen;
6080 de = dirp;
6081 while (len > 0) {
8083a3e5 6082 reclen = de->d_reclen;
31e31b8a
FB		 6083 if (reclen > len)
6084 break;
8083a3e5 6085 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 6086 tswapls(&de->d_ino);
6087 tswapls(&de->d_off);
6556a833 6088 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 6089 len -= reclen;
6090 }
6091 }
53a5960a 6092 unlock_user(dirp, arg2, ret);
31e31b8a 6093 }
4add45b4 6094#endif
31e31b8a 6095 break;
3ae43202 6096#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 6097 case TARGET_NR_getdents64:
6098 {
6556a833 6099 struct linux_dirent64 *dirp;
992f48a0 6100 abi_long count = arg3;
579a97f7
FB		 6101 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
6102 goto efault;
dab2ed99
FB		 6103 ret = get_errno(sys_getdents64(arg1, dirp, count));
6104 if (!is_error(ret)) {
6556a833 6105 struct linux_dirent64 *de;
dab2ed99
FB		 6106 int len = ret;
6107 int reclen;
6108 de = dirp;
6109 while (len > 0) {
8083a3e5 6110 reclen = de->d_reclen;
dab2ed99
FB		 6111 if (reclen > len)
6112 break;
8083a3e5 6113 de->d_reclen = tswap16(reclen);
8582a53a
FB		 6114 tswap64s((uint64_t *)&de->d_ino);
6115 tswap64s((uint64_t *)&de->d_off);
6556a833 6116 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 6117 len -= reclen;
6118 }
6119 }
53a5960a 6120 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 6121 }
6122 break;
a541f297 6123#endif /* TARGET_NR_getdents64 */
e5febef5 6124#ifdef TARGET_NR__newselect
31e31b8a 6125 case TARGET_NR__newselect:
53a5960a 6126 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 6127 break;
e5febef5
TS		 6128#endif
6129#ifdef TARGET_NR_poll
9de5e440
FB		 6130 case TARGET_NR_poll:
6131 {
53a5960a 6132 struct target_pollfd *target_pfd;
9de5e440
FB		 6133 unsigned int nfds = arg2;
6134 int timeout = arg3;
6135 struct pollfd *pfd;
7854b056 6136 unsigned int i;
9de5e440 6137
579a97f7
FB		 6138 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
6139 if (!target_pfd)
6140 goto efault;
9de5e440
FB		 6141 pfd = alloca(sizeof(struct pollfd) * nfds);
6142 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 6143 pfd[i].fd = tswap32(target_pfd[i].fd);
6144 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 6145 }
6146 ret = get_errno(poll(pfd, nfds, timeout));
6147 if (!is_error(ret)) {
6148 for(i = 0; i < nfds; i++) {
5cd4393b 6149 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 6150 }
53a5960a
PB		 6151 ret += nfds * (sizeof(struct target_pollfd)
6152 - sizeof(struct pollfd));
9de5e440 6153 }
53a5960a 6154 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 6155 }
6156 break;
e5febef5 6157#endif
31e31b8a 6158 case TARGET_NR_flock:
9de5e440
FB		 6159 /* NOTE: the flock constant seems to be the same for every
6160 Linux platform */
6161 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 6162 break;
6163 case TARGET_NR_readv:
6164 {
6165 int count = arg3;
31e31b8a 6166 struct iovec *vec;
31e31b8a
FB		 6167
6168 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 6169 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
6170 goto efault;
31e31b8a 6171 ret = get_errno(readv(arg1, vec, count));
53a5960a 6172 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 6173 }
6174 break;
6175 case TARGET_NR_writev:
6176 {
6177 int count = arg3;
31e31b8a 6178 struct iovec *vec;
31e31b8a
FB		 6179
6180 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 6181 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6182 goto efault;
31e31b8a 6183 ret = get_errno(writev(arg1, vec, count));
53a5960a 6184 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 6185 }
6186 break;
6187 case TARGET_NR_getsid:
6188 ret = get_errno(getsid(arg1));
6189 break;
7a3148a9 6190#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 6191 case TARGET_NR_fdatasync:
5cd4393b
FB		 6192 ret = get_errno(fdatasync(arg1));
6193 break;
7a3148a9 6194#endif
31e31b8a 6195 case TARGET_NR__sysctl:
0da46a6e 6196 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 6197 return value. */
0da46a6e
TS		 6198 ret = -TARGET_ENOTDIR;
6199 break;
31e31b8a 6200 case TARGET_NR_sched_setparam:
5cd4393b 6201 {
53a5960a 6202 struct sched_param *target_schp;
5cd4393b 6203 struct sched_param schp;
53a5960a 6204
579a97f7
FB		 6205 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
6206 goto efault;
5cd4393b 6207 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6208 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 6209 ret = get_errno(sched_setparam(arg1, &schp));
6210 }
6211 break;
31e31b8a 6212 case TARGET_NR_sched_getparam:
5cd4393b 6213 {
53a5960a 6214 struct sched_param *target_schp;
5cd4393b
FB		 6215 struct sched_param schp;
6216 ret = get_errno(sched_getparam(arg1, &schp));
6217 if (!is_error(ret)) {
579a97f7
FB		 6218 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
6219 goto efault;
5cd4393b 6220 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 6221 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 6222 }
6223 }
6224 break;
31e31b8a 6225 case TARGET_NR_sched_setscheduler:
5cd4393b 6226 {
53a5960a 6227 struct sched_param *target_schp;
5cd4393b 6228 struct sched_param schp;
579a97f7
FB		 6229 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
6230 goto efault;
5cd4393b 6231 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6232 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 6233 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
6234 }
6235 break;
31e31b8a 6236 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 6237 ret = get_errno(sched_getscheduler(arg1));
6238 break;
31e31b8a
FB		 6239 case TARGET_NR_sched_yield:
6240 ret = get_errno(sched_yield());
6241 break;
6242 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 6243 ret = get_errno(sched_get_priority_max(arg1));
6244 break;
31e31b8a 6245 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 6246 ret = get_errno(sched_get_priority_min(arg1));
6247 break;
31e31b8a 6248 case TARGET_NR_sched_rr_get_interval:
5cd4393b 6249 {
5cd4393b
FB		 6250 struct timespec ts;
6251 ret = get_errno(sched_rr_get_interval(arg1, &ts));
6252 if (!is_error(ret)) {
53a5960a 6253 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 6254 }
6255 }
6256 break;
31e31b8a 6257 case TARGET_NR_nanosleep:
1b6b029e 6258 {
1b6b029e 6259 struct timespec req, rem;
53a5960a 6260 target_to_host_timespec(&req, arg1);
1b6b029e 6261 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 6262 if (is_error(ret) && arg2) {
6263 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 6264 }
6265 }
6266 break;
e5febef5 6267#ifdef TARGET_NR_query_module
31e31b8a 6268 case TARGET_NR_query_module:
5cd4393b 6269 goto unimplemented;
e5febef5
TS		 6270#endif
6271#ifdef TARGET_NR_nfsservctl
31e31b8a 6272 case TARGET_NR_nfsservctl:
5cd4393b 6273 goto unimplemented;
e5febef5 6274#endif
31e31b8a 6275 case TARGET_NR_prctl:
e5574487
TS		 6276 switch (arg1)
6277 {
6278 case PR_GET_PDEATHSIG:
6279 {
6280 int deathsig;
6281 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 6282 if (!is_error(ret) && arg2
6283 && put_user_ual(deathsig, arg2))
6284 goto efault;
e5574487
TS		 6285 }
6286 break;
6287 default:
6288 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6289 break;
6290 }
39b9aae1 6291 break;
d2fd1af7
FB		 6292#ifdef TARGET_NR_arch_prctl
6293 case TARGET_NR_arch_prctl:
6294#if defined(TARGET_I386) && !defined(TARGET_ABI32)
6295 ret = do_arch_prctl(cpu_env, arg1, arg2);
6296 break;
6297#else
6298 goto unimplemented;
6299#endif
6300#endif
67867308 6301#ifdef TARGET_NR_pread
31e31b8a 6302 case TARGET_NR_pread:
a4ae00bc
AZ		 6303#ifdef TARGET_ARM
6304 if (((CPUARMState *)cpu_env)->eabi)
6305 arg4 = arg5;
6306#endif
579a97f7
FB		 6307 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6308 goto efault;
53a5960a
PB		 6309 ret = get_errno(pread(arg1, p, arg3, arg4));
6310 unlock_user(p, arg2, ret);
206f0fa7 6311 break;
31e31b8a 6312 case TARGET_NR_pwrite:
a4ae00bc
AZ		 6313#ifdef TARGET_ARM
6314 if (((CPUARMState *)cpu_env)->eabi)
6315 arg4 = arg5;
6316#endif
579a97f7
FB		 6317 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6318 goto efault;
53a5960a
PB		 6319 ret = get_errno(pwrite(arg1, p, arg3, arg4));
6320 unlock_user(p, arg2, 0);
206f0fa7 6321 break;
f2c7ba15
AJ		 6322#endif
6323#ifdef TARGET_NR_pread64
6324 case TARGET_NR_pread64:
6325 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6326 goto efault;
6327 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6328 unlock_user(p, arg2, ret);
6329 break;
6330 case TARGET_NR_pwrite64:
6331 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6332 goto efault;
6333 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6334 unlock_user(p, arg2, 0);
6335 break;
67867308 6336#endif
31e31b8a 6337 case TARGET_NR_getcwd:
579a97f7
FB		 6338 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6339 goto efault;
53a5960a
PB		 6340 ret = get_errno(sys_getcwd1(p, arg2));
6341 unlock_user(p, arg1, ret);
31e31b8a
FB		 6342 break;
6343 case TARGET_NR_capget:
5cd4393b 6344 goto unimplemented;
31e31b8a 6345 case TARGET_NR_capset:
5cd4393b 6346 goto unimplemented;
31e31b8a 6347 case TARGET_NR_sigaltstack:
198a74de 6348#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154
LV		 6349 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
6350 defined(TARGET_M68K)
579a97f7 6351 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
a04e134a
TS		 6352 break;
6353#else
5cd4393b 6354 goto unimplemented;
a04e134a 6355#endif
31e31b8a 6356 case TARGET_NR_sendfile:
5cd4393b 6357 goto unimplemented;
ebc05488 6358#ifdef TARGET_NR_getpmsg
31e31b8a 6359 case TARGET_NR_getpmsg:
5cd4393b 6360 goto unimplemented;
ebc05488
FB		 6361#endif
6362#ifdef TARGET_NR_putpmsg
31e31b8a 6363 case TARGET_NR_putpmsg:
5cd4393b 6364 goto unimplemented;
ebc05488 6365#endif
048f6b4d 6366#ifdef TARGET_NR_vfork
31e31b8a 6367 case TARGET_NR_vfork:
d865bab5
PB		 6368 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6369 0, 0, 0, 0));
31e31b8a 6370 break;
048f6b4d 6371#endif
ebc05488 6372#ifdef TARGET_NR_ugetrlimit
31e31b8a 6373 case TARGET_NR_ugetrlimit:
728584be
FB		 6374 {
6375 struct rlimit rlim;
6376 ret = get_errno(getrlimit(arg1, &rlim));
6377 if (!is_error(ret)) {
53a5960a 6378 struct target_rlimit *target_rlim;
579a97f7
FB		 6379 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6380 goto efault;
81bbe906
TY		 6381 target_rlim->rlim_cur = host_to_target_rlim(rlim.rlim_cur);
6382 target_rlim->rlim_max = host_to_target_rlim(rlim.rlim_max);
53a5960a 6383 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 6384 }
6385 break;
6386 }
ebc05488 6387#endif
a315a145 6388#ifdef TARGET_NR_truncate64
31e31b8a 6389 case TARGET_NR_truncate64:
579a97f7
FB		 6390 if (!(p = lock_user_string(arg1)))
6391 goto efault;
53a5960a
PB		 6392 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6393 unlock_user(p, arg1, 0);
667f38b1 6394 break;
a315a145
FB		 6395#endif
6396#ifdef TARGET_NR_ftruncate64
31e31b8a 6397 case TARGET_NR_ftruncate64:
ce4defa0 6398 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 6399 break;
a315a145
FB		 6400#endif
6401#ifdef TARGET_NR_stat64
31e31b8a 6402 case TARGET_NR_stat64:
579a97f7
FB		 6403 if (!(p = lock_user_string(arg1)))
6404 goto efault;
53a5960a
PB		 6405 ret = get_errno(stat(path(p), &st));
6406 unlock_user(p, arg1, 0);
6a24a778
AZ		 6407 if (!is_error(ret))
6408 ret = host_to_target_stat64(cpu_env, arg2, &st);
6409 break;
a315a145
FB		 6410#endif
6411#ifdef TARGET_NR_lstat64
31e31b8a 6412 case TARGET_NR_lstat64:
579a97f7
FB		 6413 if (!(p = lock_user_string(arg1)))
6414 goto efault;
53a5960a
PB		 6415 ret = get_errno(lstat(path(p), &st));
6416 unlock_user(p, arg1, 0);
6a24a778
AZ		 6417 if (!is_error(ret))
6418 ret = host_to_target_stat64(cpu_env, arg2, &st);
6419 break;
a315a145
FB		 6420#endif
6421#ifdef TARGET_NR_fstat64
31e31b8a 6422 case TARGET_NR_fstat64:
6a24a778
AZ		 6423 ret = get_errno(fstat(arg1, &st));
6424 if (!is_error(ret))
6425 ret = host_to_target_stat64(cpu_env, arg2, &st);
6426 break;
ce4defa0 6427#endif
9d33b76b
AJ		 6428#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6429 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6430#ifdef TARGET_NR_fstatat64
6a24a778 6431 case TARGET_NR_fstatat64:
9d33b76b
AJ		 6432#endif
6433#ifdef TARGET_NR_newfstatat
6434 case TARGET_NR_newfstatat:
6435#endif
6a24a778
AZ		 6436 if (!(p = lock_user_string(arg2)))
6437 goto efault;
9d33b76b 6438#ifdef __NR_fstatat64
6a24a778 6439 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 6440#else
6441 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6442#endif
6a24a778
AZ		 6443 if (!is_error(ret))
6444 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 6445 break;
a315a145 6446#endif
67867308
FB		 6447#ifdef USE_UID16
6448 case TARGET_NR_lchown:
579a97f7
FB		 6449 if (!(p = lock_user_string(arg1)))
6450 goto efault;
53a5960a
PB		 6451 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6452 unlock_user(p, arg1, 0);
67867308
FB		 6453 break;
6454 case TARGET_NR_getuid:
6455 ret = get_errno(high2lowuid(getuid()));
6456 break;
6457 case TARGET_NR_getgid:
6458 ret = get_errno(high2lowgid(getgid()));
6459 break;
6460 case TARGET_NR_geteuid:
6461 ret = get_errno(high2lowuid(geteuid()));
6462 break;
6463 case TARGET_NR_getegid:
6464 ret = get_errno(high2lowgid(getegid()));
6465 break;
6466 case TARGET_NR_setreuid:
6467 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6468 break;
6469 case TARGET_NR_setregid:
6470 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6471 break;
6472 case TARGET_NR_getgroups:
6473 {
6474 int gidsetsize = arg1;
53a5960a 6475 uint16_t *target_grouplist;
67867308
FB		 6476 gid_t *grouplist;
6477 int i;
6478
6479 grouplist = alloca(gidsetsize * sizeof(gid_t));
6480 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6481 if (gidsetsize == 0)
6482 break;
67867308 6483 if (!is_error(ret)) {
579a97f7
FB		 6484 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6485 if (!target_grouplist)
6486 goto efault;
a2155fcc 6487 for(i = 0;i < ret; i++)
67867308 6488 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 6489 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 6490 }
6491 }
6492 break;
6493 case TARGET_NR_setgroups:
6494 {
6495 int gidsetsize = arg1;
53a5960a 6496 uint16_t *target_grouplist;
67867308
FB		 6497 gid_t *grouplist;
6498 int i;
6499
6500 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6501 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6502 if (!target_grouplist) {
6503 ret = -TARGET_EFAULT;
6504 goto fail;
6505 }
67867308
FB		 6506 for(i = 0;i < gidsetsize; i++)
6507 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 6508 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 6509 ret = get_errno(setgroups(gidsetsize, grouplist));
6510 }
6511 break;
6512 case TARGET_NR_fchown:
6513 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6514 break;
ccfa72b7
TS		 6515#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6516 case TARGET_NR_fchownat:
579a97f7
FB		 6517 if (!(p = lock_user_string(arg2)))
6518 goto efault;
6519 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6520 unlock_user(p, arg2, 0);
ccfa72b7
TS		 6521 break;
6522#endif
67867308
FB		 6523#ifdef TARGET_NR_setresuid
6524 case TARGET_NR_setresuid:
5fafdf24
TS		 6525 ret = get_errno(setresuid(low2highuid(arg1),
6526 low2highuid(arg2),
67867308
FB		 6527 low2highuid(arg3)));
6528 break;
6529#endif
6530#ifdef TARGET_NR_getresuid
6531 case TARGET_NR_getresuid:
6532 {
53a5960a 6533 uid_t ruid, euid, suid;
67867308
FB		 6534 ret = get_errno(getresuid(&ruid, &euid, &suid));
6535 if (!is_error(ret)) {
2f619698
FB		 6536 if (put_user_u16(high2lowuid(ruid), arg1)
6537 || put_user_u16(high2lowuid(euid), arg2)
6538 || put_user_u16(high2lowuid(suid), arg3))
6539 goto efault;
67867308
FB		 6540 }
6541 }
6542 break;
6543#endif
6544#ifdef TARGET_NR_getresgid
6545 case TARGET_NR_setresgid:
5fafdf24
TS		 6546 ret = get_errno(setresgid(low2highgid(arg1),
6547 low2highgid(arg2),
67867308
FB		 6548 low2highgid(arg3)));
6549 break;
6550#endif
6551#ifdef TARGET_NR_getresgid
6552 case TARGET_NR_getresgid:
6553 {
53a5960a 6554 gid_t rgid, egid, sgid;
67867308
FB		 6555 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6556 if (!is_error(ret)) {
2f619698
FB		 6557 if (put_user_u16(high2lowgid(rgid), arg1)
6558 || put_user_u16(high2lowgid(egid), arg2)
6559 || put_user_u16(high2lowgid(sgid), arg3))
6560 goto efault;
67867308
FB		 6561 }
6562 }
6563 break;
6564#endif
6565 case TARGET_NR_chown:
579a97f7
FB		 6566 if (!(p = lock_user_string(arg1)))
6567 goto efault;
53a5960a
PB		 6568 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6569 unlock_user(p, arg1, 0);
67867308
FB		 6570 break;
6571 case TARGET_NR_setuid:
6572 ret = get_errno(setuid(low2highuid(arg1)));
6573 break;
6574 case TARGET_NR_setgid:
6575 ret = get_errno(setgid(low2highgid(arg1)));
6576 break;
6577 case TARGET_NR_setfsuid:
6578 ret = get_errno(setfsuid(arg1));
6579 break;
6580 case TARGET_NR_setfsgid:
6581 ret = get_errno(setfsgid(arg1));
6582 break;
6583#endif /* USE_UID16 */
6584
a315a145 6585#ifdef TARGET_NR_lchown32
31e31b8a 6586 case TARGET_NR_lchown32:
579a97f7
FB		 6587 if (!(p = lock_user_string(arg1)))
6588 goto efault;
53a5960a
PB		 6589 ret = get_errno(lchown(p, arg2, arg3));
6590 unlock_user(p, arg1, 0);
b03c60f3 6591 break;
a315a145
FB		 6592#endif
6593#ifdef TARGET_NR_getuid32
31e31b8a 6594 case TARGET_NR_getuid32:
b03c60f3
FB		 6595 ret = get_errno(getuid());
6596 break;
a315a145 6597#endif
64b4d28c
AJ		 6598
6599#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6600 /* Alpha specific */
6601 case TARGET_NR_getxuid:
ba0e276d
RH		 6602 {
6603 uid_t euid;
6604 euid=geteuid();
6605 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6606 }
64b4d28c
AJ		 6607 ret = get_errno(getuid());
6608 break;
6609#endif
6610#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6611 /* Alpha specific */
6612 case TARGET_NR_getxgid:
ba0e276d
RH		 6613 {
6614 uid_t egid;
6615 egid=getegid();
6616 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6617 }
64b4d28c
AJ		 6618 ret = get_errno(getgid());
6619 break;
6620#endif
ba0e276d
RH		 6621#if defined(TARGET_NR_osf_getsysinfo) && defined(TARGET_ALPHA)
6622 /* Alpha specific */
6623 case TARGET_NR_osf_getsysinfo:
6624 ret = -TARGET_EOPNOTSUPP;
6625 switch (arg1) {
6626 case TARGET_GSI_IEEE_FP_CONTROL:
6627 {
6628 uint64_t swcr, fpcr = cpu_alpha_load_fpcr (cpu_env);
6629
6630 /* Copied from linux ieee_fpcr_to_swcr. */
6631 swcr = (fpcr >> 35) & SWCR_STATUS_MASK;
6632 swcr |= (fpcr >> 36) & SWCR_MAP_DMZ;
6633 swcr |= (~fpcr >> 48) & (SWCR_TRAP_ENABLE_INV
6634 | SWCR_TRAP_ENABLE_DZE
6635 | SWCR_TRAP_ENABLE_OVF);
6636 swcr |= (~fpcr >> 57) & (SWCR_TRAP_ENABLE_UNF
6637 | SWCR_TRAP_ENABLE_INE);
6638 swcr |= (fpcr >> 47) & SWCR_MAP_UMZ;
6639 swcr |= (~fpcr >> 41) & SWCR_TRAP_ENABLE_DNO;
6640
6641 if (put_user_u64 (swcr, arg2))
6642 goto efault;
6643 ret = 0;
6644 }
6645 break;
6646
6647 /* case GSI_IEEE_STATE_AT_SIGNAL:
6648 -- Not implemented in linux kernel.
6649 case GSI_UACPROC:
6650 -- Retrieves current unaligned access state; not much used.
6651 case GSI_PROC_TYPE:
6652 -- Retrieves implver information; surely not used.
6653 case GSI_GET_HWRPB:
6654 -- Grabs a copy of the HWRPB; surely not used.
6655 */
6656 }
6657 break;
6658#endif
6659#if defined(TARGET_NR_osf_setsysinfo) && defined(TARGET_ALPHA)
6660 /* Alpha specific */
6661 case TARGET_NR_osf_setsysinfo:
6662 ret = -TARGET_EOPNOTSUPP;
6663 switch (arg1) {
6664 case TARGET_SSI_IEEE_FP_CONTROL:
6665 case TARGET_SSI_IEEE_RAISE_EXCEPTION:
6666 {
6667 uint64_t swcr, fpcr, orig_fpcr;
6668
6669 if (get_user_u64 (swcr, arg2))
6670 goto efault;
6671 orig_fpcr = cpu_alpha_load_fpcr (cpu_env);
6672 fpcr = orig_fpcr & FPCR_DYN_MASK;
6673
6674 /* Copied from linux ieee_swcr_to_fpcr. */
6675 fpcr |= (swcr & SWCR_STATUS_MASK) << 35;
6676 fpcr |= (swcr & SWCR_MAP_DMZ) << 36;
6677 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_INV
6678 | SWCR_TRAP_ENABLE_DZE
6679 | SWCR_TRAP_ENABLE_OVF)) << 48;
6680 fpcr |= (~swcr & (SWCR_TRAP_ENABLE_UNF
6681 | SWCR_TRAP_ENABLE_INE)) << 57;
6682 fpcr |= (swcr & SWCR_MAP_UMZ ? FPCR_UNDZ | FPCR_UNFD : 0);
6683 fpcr |= (~swcr & SWCR_TRAP_ENABLE_DNO) << 41;
6684
6685 cpu_alpha_store_fpcr (cpu_env, fpcr);
6686 ret = 0;
6687
6688 if (arg1 == TARGET_SSI_IEEE_RAISE_EXCEPTION) {
6689 /* Old exceptions are not signaled. */
6690 fpcr &= ~(orig_fpcr & FPCR_STATUS_MASK);
6691
6692 /* If any exceptions set by this call, and are unmasked,
6693 send a signal. */
6694 /* ??? FIXME */
6695 }
6696 }
6697 break;
6698
6699 /* case SSI_NVPAIRS:
6700 -- Used with SSIN_UACPROC to enable unaligned accesses.
6701 case SSI_IEEE_STATE_AT_SIGNAL:
6702 case SSI_IEEE_IGNORE_STATE_AT_SIGNAL:
6703 -- Not implemented in linux kernel
6704 */
6705 }
6706 break;
6707#endif
6708#ifdef TARGET_NR_osf_sigprocmask
6709 /* Alpha specific. */
6710 case TARGET_NR_osf_sigprocmask:
6711 {
6712 abi_ulong mask;
6713 int how = arg1;
6714 sigset_t set, oldset;
6715
6716 switch(arg1) {
6717 case TARGET_SIG_BLOCK:
6718 how = SIG_BLOCK;
6719 break;
6720 case TARGET_SIG_UNBLOCK:
6721 how = SIG_UNBLOCK;
6722 break;
6723 case TARGET_SIG_SETMASK:
6724 how = SIG_SETMASK;
6725 break;
6726 default:
6727 ret = -TARGET_EINVAL;
6728 goto fail;
6729 }
6730 mask = arg2;
6731 target_to_host_old_sigset(&set, &mask);
6732 sigprocmask(arg1, &set, &oldset);
6733 host_to_target_old_sigset(&mask, &oldset);
6734 ret = mask;
6735 }
6736 break;
6737#endif
64b4d28c 6738
a315a145 6739#ifdef TARGET_NR_getgid32
31e31b8a 6740 case TARGET_NR_getgid32:
b03c60f3
FB		 6741 ret = get_errno(getgid());
6742 break;
a315a145
FB		 6743#endif
6744#ifdef TARGET_NR_geteuid32
31e31b8a 6745 case TARGET_NR_geteuid32:
b03c60f3
FB		 6746 ret = get_errno(geteuid());
6747 break;
a315a145
FB		 6748#endif
6749#ifdef TARGET_NR_getegid32
31e31b8a 6750 case TARGET_NR_getegid32:
b03c60f3
FB		 6751 ret = get_errno(getegid());
6752 break;
a315a145
FB		 6753#endif
6754#ifdef TARGET_NR_setreuid32
31e31b8a 6755 case TARGET_NR_setreuid32:
b03c60f3
FB		 6756 ret = get_errno(setreuid(arg1, arg2));
6757 break;
a315a145
FB		 6758#endif
6759#ifdef TARGET_NR_setregid32
31e31b8a 6760 case TARGET_NR_setregid32:
b03c60f3
FB		 6761 ret = get_errno(setregid(arg1, arg2));
6762 break;
a315a145
FB		 6763#endif
6764#ifdef TARGET_NR_getgroups32
31e31b8a 6765 case TARGET_NR_getgroups32:
99c475ab
FB		 6766 {
6767 int gidsetsize = arg1;
53a5960a 6768 uint32_t *target_grouplist;
99c475ab
FB		 6769 gid_t *grouplist;
6770 int i;
6771
6772 grouplist = alloca(gidsetsize * sizeof(gid_t));
6773 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6774 if (gidsetsize == 0)
6775 break;
99c475ab 6776 if (!is_error(ret)) {
579a97f7
FB		 6777 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6778 if (!target_grouplist) {
6779 ret = -TARGET_EFAULT;
6780 goto fail;
6781 }
a2155fcc 6782 for(i = 0;i < ret; i++)
53a5960a
PB		 6783 target_grouplist[i] = tswap32(grouplist[i]);
6784 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 6785 }
6786 }
6787 break;
a315a145
FB		 6788#endif
6789#ifdef TARGET_NR_setgroups32
31e31b8a 6790 case TARGET_NR_setgroups32:
99c475ab
FB		 6791 {
6792 int gidsetsize = arg1;
53a5960a 6793 uint32_t *target_grouplist;
99c475ab
FB		 6794 gid_t *grouplist;
6795 int i;
3b46e624 6796
99c475ab 6797 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6798 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6799 if (!target_grouplist) {
6800 ret = -TARGET_EFAULT;
6801 goto fail;
6802 }
99c475ab 6803 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 6804 grouplist[i] = tswap32(target_grouplist[i]);
6805 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 6806 ret = get_errno(setgroups(gidsetsize, grouplist));
6807 }
6808 break;
a315a145
FB		 6809#endif
6810#ifdef TARGET_NR_fchown32
31e31b8a 6811 case TARGET_NR_fchown32:
b03c60f3
FB		 6812 ret = get_errno(fchown(arg1, arg2, arg3));
6813 break;
a315a145
FB		 6814#endif
6815#ifdef TARGET_NR_setresuid32
31e31b8a 6816 case TARGET_NR_setresuid32:
b03c60f3
FB		 6817 ret = get_errno(setresuid(arg1, arg2, arg3));
6818 break;
a315a145
FB		 6819#endif
6820#ifdef TARGET_NR_getresuid32
31e31b8a 6821 case TARGET_NR_getresuid32:
b03c60f3 6822 {
53a5960a 6823 uid_t ruid, euid, suid;
b03c60f3
FB		 6824 ret = get_errno(getresuid(&ruid, &euid, &suid));
6825 if (!is_error(ret)) {
2f619698
FB		 6826 if (put_user_u32(ruid, arg1)
6827 || put_user_u32(euid, arg2)
6828 || put_user_u32(suid, arg3))
6829 goto efault;
b03c60f3
FB		 6830 }
6831 }
6832 break;
a315a145
FB		 6833#endif
6834#ifdef TARGET_NR_setresgid32
31e31b8a 6835 case TARGET_NR_setresgid32:
b03c60f3
FB		 6836 ret = get_errno(setresgid(arg1, arg2, arg3));
6837 break;
a315a145
FB		 6838#endif
6839#ifdef TARGET_NR_getresgid32
31e31b8a 6840 case TARGET_NR_getresgid32:
b03c60f3 6841 {
53a5960a 6842 gid_t rgid, egid, sgid;
b03c60f3
FB		 6843 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6844 if (!is_error(ret)) {
2f619698
FB		 6845 if (put_user_u32(rgid, arg1)
6846 || put_user_u32(egid, arg2)
6847 || put_user_u32(sgid, arg3))
6848 goto efault;
b03c60f3
FB		 6849 }
6850 }
6851 break;
a315a145
FB		 6852#endif
6853#ifdef TARGET_NR_chown32
31e31b8a 6854 case TARGET_NR_chown32:
579a97f7
FB		 6855 if (!(p = lock_user_string(arg1)))
6856 goto efault;
53a5960a
PB		 6857 ret = get_errno(chown(p, arg2, arg3));
6858 unlock_user(p, arg1, 0);
b03c60f3 6859 break;
a315a145
FB		 6860#endif
6861#ifdef TARGET_NR_setuid32
31e31b8a 6862 case TARGET_NR_setuid32:
b03c60f3
FB		 6863 ret = get_errno(setuid(arg1));
6864 break;
a315a145
FB		 6865#endif
6866#ifdef TARGET_NR_setgid32
31e31b8a 6867 case TARGET_NR_setgid32:
b03c60f3
FB		 6868 ret = get_errno(setgid(arg1));
6869 break;
a315a145
FB		 6870#endif
6871#ifdef TARGET_NR_setfsuid32
31e31b8a 6872 case TARGET_NR_setfsuid32:
b03c60f3
FB		 6873 ret = get_errno(setfsuid(arg1));
6874 break;
a315a145
FB		 6875#endif
6876#ifdef TARGET_NR_setfsgid32
31e31b8a 6877 case TARGET_NR_setfsgid32:
b03c60f3
FB		 6878 ret = get_errno(setfsgid(arg1));
6879 break;
a315a145 6880#endif
67867308 6881
31e31b8a 6882 case TARGET_NR_pivot_root:
b03c60f3 6883 goto unimplemented;
ffa65c3b 6884#ifdef TARGET_NR_mincore
31e31b8a 6885 case TARGET_NR_mincore:
04bb9ace
AJ		 6886 {
6887 void *a;
6888 ret = -TARGET_EFAULT;
6889 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6890 goto efault;
6891 if (!(p = lock_user_string(arg3)))
6892 goto mincore_fail;
6893 ret = get_errno(mincore(a, arg2, p));
6894 unlock_user(p, arg3, ret);
6895 mincore_fail:
6896 unlock_user(a, arg1, 0);
6897 }
6898 break;
ffa65c3b 6899#endif
408321b6
AJ		 6900#ifdef TARGET_NR_arm_fadvise64_64
6901 case TARGET_NR_arm_fadvise64_64:
6902 {
6903 /*
6904 * arm_fadvise64_64 looks like fadvise64_64 but
6905 * with different argument order
6906 */
6907 abi_long temp;
6908 temp = arg3;
6909 arg3 = arg4;
6910 arg4 = temp;
6911 }
6912#endif
e72d2cc7 6913#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 6914#ifdef TARGET_NR_fadvise64_64
6915 case TARGET_NR_fadvise64_64:
6916#endif
e72d2cc7
UH		 6917#ifdef TARGET_NR_fadvise64
6918 case TARGET_NR_fadvise64:
6919#endif
6920#ifdef TARGET_S390X
6921 switch (arg4) {
6922 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
6923 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
6924 case 6: arg4 = POSIX_FADV_DONTNEED; break;
6925 case 7: arg4 = POSIX_FADV_NOREUSE; break;
6926 default: break;
6927 }
6928#endif
6929 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 6930 break;
6931#endif
ffa65c3b 6932#ifdef TARGET_NR_madvise
31e31b8a 6933 case TARGET_NR_madvise:
24836689
PB		 6934 /* A straight passthrough may not be safe because qemu sometimes
6935 turns private flie-backed mappings into anonymous mappings.
6936 This will break MADV_DONTNEED.
6937 This is a hint, so ignoring and returning success is ok. */
6938 ret = get_errno(0);
6939 break;
ffa65c3b 6940#endif
992f48a0 6941#if TARGET_ABI_BITS == 32
31e31b8a 6942 case TARGET_NR_fcntl64:
77e4672d 6943 {
b1e341eb 6944 int cmd;
77e4672d 6945 struct flock64 fl;
53a5960a 6946 struct target_flock64 *target_fl;
ce4defa0 6947#ifdef TARGET_ARM
53a5960a 6948 struct target_eabi_flock64 *target_efl;
ce4defa0 6949#endif
77e4672d 6950
5f106811
APR		 6951 cmd = target_to_host_fcntl_cmd(arg2);
6952 if (cmd == -TARGET_EINVAL)
6953 return cmd;
b1e341eb 6954
60cd49d5 6955 switch(arg2) {
b1e341eb 6956 case TARGET_F_GETLK64:
5813427b
TS		 6957#ifdef TARGET_ARM
6958 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6959 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6960 goto efault;
5813427b
TS		 6961 fl.l_type = tswap16(target_efl->l_type);
6962 fl.l_whence = tswap16(target_efl->l_whence);
6963 fl.l_start = tswap64(target_efl->l_start);
6964 fl.l_len = tswap64(target_efl->l_len);
7e22e546 6965 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 6966 unlock_user_struct(target_efl, arg3, 0);
6967 } else
6968#endif
6969 {
9ee1fa2c
FB		 6970 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6971 goto efault;
5813427b
TS		 6972 fl.l_type = tswap16(target_fl->l_type);
6973 fl.l_whence = tswap16(target_fl->l_whence);
6974 fl.l_start = tswap64(target_fl->l_start);
6975 fl.l_len = tswap64(target_fl->l_len);
7e22e546 6976 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 6977 unlock_user_struct(target_fl, arg3, 0);
6978 }
b1e341eb 6979 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6980 if (ret == 0) {
ce4defa0
PB		 6981#ifdef TARGET_ARM
6982 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6983 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6984 goto efault;
ce4defa0
PB		 6985 target_efl->l_type = tswap16(fl.l_type);
6986 target_efl->l_whence = tswap16(fl.l_whence);
6987 target_efl->l_start = tswap64(fl.l_start);
6988 target_efl->l_len = tswap64(fl.l_len);
7e22e546 6989 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 6990 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 6991 } else
6992#endif
6993 {
9ee1fa2c
FB		 6994 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6995 goto efault;
ce4defa0
PB		 6996 target_fl->l_type = tswap16(fl.l_type);
6997 target_fl->l_whence = tswap16(fl.l_whence);
6998 target_fl->l_start = tswap64(fl.l_start);
6999 target_fl->l_len = tswap64(fl.l_len);
7e22e546 7000 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 7001 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 7002 }
77e4672d
FB		 7003 }
7004 break;
7005
b1e341eb
TS		 7006 case TARGET_F_SETLK64:
7007 case TARGET_F_SETLKW64:
ce4defa0
PB		 7008#ifdef TARGET_ARM
7009 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 7010 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
7011 goto efault;
ce4defa0
PB		 7012 fl.l_type = tswap16(target_efl->l_type);
7013 fl.l_whence = tswap16(target_efl->l_whence);
7014 fl.l_start = tswap64(target_efl->l_start);
7015 fl.l_len = tswap64(target_efl->l_len);
7e22e546 7016 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 7017 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 7018 } else
7019#endif
7020 {
9ee1fa2c
FB		 7021 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
7022 goto efault;
ce4defa0
PB		 7023 fl.l_type = tswap16(target_fl->l_type);
7024 fl.l_whence = tswap16(target_fl->l_whence);
7025 fl.l_start = tswap64(target_fl->l_start);
7026 fl.l_len = tswap64(target_fl->l_len);
7e22e546 7027 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 7028 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 7029 }
b1e341eb 7030 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 7031 break;
60cd49d5 7032 default:
5f106811 7033 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 7034 break;
7035 }
77e4672d
FB		 7036 break;
7037 }
60cd49d5 7038#endif
7d600c80
TS		 7039#ifdef TARGET_NR_cacheflush
7040 case TARGET_NR_cacheflush:
7041 /* self-modifying code is handled automatically, so nothing needed */
7042 ret = 0;
7043 break;
7044#endif
ebc05488 7045#ifdef TARGET_NR_security
31e31b8a
FB		 7046 case TARGET_NR_security:
7047 goto unimplemented;
c573ff67
FB		 7048#endif
7049#ifdef TARGET_NR_getpagesize
7050 case TARGET_NR_getpagesize:
7051 ret = TARGET_PAGE_SIZE;
7052 break;
ebc05488 7053#endif
31e31b8a
FB		 7054 case TARGET_NR_gettid:
7055 ret = get_errno(gettid());
7056 break;
e5febef5 7057#ifdef TARGET_NR_readahead
31e31b8a 7058 case TARGET_NR_readahead:
2054ac9b
AJ		 7059#if TARGET_ABI_BITS == 32
7060#ifdef TARGET_ARM
7061 if (((CPUARMState *)cpu_env)->eabi)
7062 {
7063 arg2 = arg3;
7064 arg3 = arg4;
7065 arg4 = arg5;
7066 }
7067#endif
7068 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
7069#else
7070 ret = get_errno(readahead(arg1, arg2, arg3));
7071#endif
7072 break;
e5febef5 7073#endif
ebc05488 7074#ifdef TARGET_NR_setxattr
31e31b8a
FB		 7075 case TARGET_NR_setxattr:
7076 case TARGET_NR_lsetxattr:
7077 case TARGET_NR_fsetxattr:
7078 case TARGET_NR_getxattr:
7079 case TARGET_NR_lgetxattr:
7080 case TARGET_NR_fgetxattr:
7081 case TARGET_NR_listxattr:
7082 case TARGET_NR_llistxattr:
7083 case TARGET_NR_flistxattr:
7084 case TARGET_NR_removexattr:
7085 case TARGET_NR_lremovexattr:
7086 case TARGET_NR_fremovexattr:
6f932f91
AP		 7087 ret = -TARGET_EOPNOTSUPP;
7088 break;
ebc05488
FB		 7089#endif
7090#ifdef TARGET_NR_set_thread_area
5cd4393b 7091 case TARGET_NR_set_thread_area:
8d18e893 7092#if defined(TARGET_MIPS)
6f5b89a0
TS		 7093 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
7094 ret = 0;
7095 break;
ef96779b
EI		 7096#elif defined(TARGET_CRIS)
7097 if (arg1 & 0xff)
7098 ret = -TARGET_EINVAL;
7099 else {
7100 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
7101 ret = 0;
7102 }
7103 break;
8d18e893
FB		 7104#elif defined(TARGET_I386) && defined(TARGET_ABI32)
7105 ret = do_set_thread_area(cpu_env, arg1);
7106 break;
6f5b89a0
TS		 7107#else
7108 goto unimplemented_nowarn;
7109#endif
7110#endif
7111#ifdef TARGET_NR_get_thread_area
5cd4393b 7112 case TARGET_NR_get_thread_area:
8d18e893
FB		 7113#if defined(TARGET_I386) && defined(TARGET_ABI32)
7114 ret = do_get_thread_area(cpu_env, arg1);
7115#else
5cd4393b 7116 goto unimplemented_nowarn;
48dc41eb 7117#endif
8d18e893 7118#endif
48dc41eb
FB		 7119#ifdef TARGET_NR_getdomainname
7120 case TARGET_NR_getdomainname:
7121 goto unimplemented_nowarn;
ebc05488 7122#endif
6f5b89a0 7123
b5906f95
TS		 7124#ifdef TARGET_NR_clock_gettime
7125 case TARGET_NR_clock_gettime:
7126 {
7127 struct timespec ts;
7128 ret = get_errno(clock_gettime(arg1, &ts));
7129 if (!is_error(ret)) {
7130 host_to_target_timespec(arg2, &ts);
7131 }
7132 break;
7133 }
7134#endif
7135#ifdef TARGET_NR_clock_getres
7136 case TARGET_NR_clock_getres:
7137 {
7138 struct timespec ts;
7139 ret = get_errno(clock_getres(arg1, &ts));
7140 if (!is_error(ret)) {
7141 host_to_target_timespec(arg2, &ts);
7142 }
7143 break;
7144 }
7145#endif
63d7651b
PB		 7146#ifdef TARGET_NR_clock_nanosleep
7147 case TARGET_NR_clock_nanosleep:
7148 {
7149 struct timespec ts;
7150 target_to_host_timespec(&ts, arg3);
7151 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
7152 if (arg4)
7153 host_to_target_timespec(arg4, &ts);
7154 break;
7155 }
7156#endif
b5906f95 7157
6f5b89a0
TS		 7158#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
7159 case TARGET_NR_set_tid_address:
579a97f7
FB		 7160 ret = get_errno(set_tid_address((int *)g2h(arg1)));
7161 break;
6f5b89a0
TS		 7162#endif
7163
3ae43202 7164#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 7165 case TARGET_NR_tkill:
4cb05961 7166 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 7167 break;
7168#endif
7169
3ae43202 7170#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 7171 case TARGET_NR_tgkill:
4cb05961
PB		 7172 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
7173 target_to_host_signal(arg3)));
71455574
TS		 7174 break;
7175#endif
7176
4f2b1fe8
TS		 7177#ifdef TARGET_NR_set_robust_list
7178 case TARGET_NR_set_robust_list:
7179 goto unimplemented_nowarn;
7180#endif
7181
9007f0ef
TS		 7182#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
7183 case TARGET_NR_utimensat:
7184 {
ebc996f3
RV		 7185 struct timespec *tsp, ts[2];
7186 if (!arg3) {
7187 tsp = NULL;
7188 } else {
7189 target_to_host_timespec(ts, arg3);
7190 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
7191 tsp = ts;
7192 }
9007f0ef 7193 if (!arg2)
ebc996f3 7194 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 7195 else {
579a97f7 7196 if (!(p = lock_user_string(arg2))) {
0da46a6e 7197 ret = -TARGET_EFAULT;
579a97f7
FB		 7198 goto fail;
7199 }
ebc996f3 7200 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 7201 unlock_user(p, arg2, 0);
9007f0ef
TS		 7202 }
7203 }
7204 break;
7205#endif
2f7bb878 7206#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 7207 case TARGET_NR_futex:
7208 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
7209 break;
7210#endif
dbfe4c36 7211#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 7212 case TARGET_NR_inotify_init:
7213 ret = get_errno(sys_inotify_init());
7214 break;
7215#endif
a1606b0b 7216#ifdef CONFIG_INOTIFY1
c05c7a73
RV		 7217#if defined(TARGET_NR_inotify_init1) && defined(__NR_inotify_init1)
7218 case TARGET_NR_inotify_init1:
7219 ret = get_errno(sys_inotify_init1(arg1));
7220 break;
7221#endif
a1606b0b 7222#endif
dbfe4c36 7223#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 7224 case TARGET_NR_inotify_add_watch:
7225 p = lock_user_string(arg2);
7226 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
7227 unlock_user(p, arg2, 0);
7228 break;
7229#endif
dbfe4c36 7230#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 7231 case TARGET_NR_inotify_rm_watch:
7232 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
7233 break;
7234#endif
9007f0ef 7235
8ec9cf89 7236#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 7237 case TARGET_NR_mq_open:
7238 {
7239 struct mq_attr posix_mq_attr;
7240
7241 p = lock_user_string(arg1 - 1);
7242 if (arg4 != 0)
7243 copy_from_user_mq_attr (&posix_mq_attr, arg4);
7244 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
7245 unlock_user (p, arg1, 0);
7246 }
7247 break;
7248
7249 case TARGET_NR_mq_unlink:
7250 p = lock_user_string(arg1 - 1);
7251 ret = get_errno(mq_unlink(p));
7252 unlock_user (p, arg1, 0);
7253 break;
7254
7255 case TARGET_NR_mq_timedsend:
7256 {
7257 struct timespec ts;
7258
7259 p = lock_user (VERIFY_READ, arg2, arg3, 1);
7260 if (arg5 != 0) {
7261 target_to_host_timespec(&ts, arg5);
7262 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
7263 host_to_target_timespec(arg5, &ts);
7264 }
7265 else
7266 ret = get_errno(mq_send(arg1, p, arg3, arg4));
7267 unlock_user (p, arg2, arg3);
7268 }
7269 break;
7270
7271 case TARGET_NR_mq_timedreceive:
7272 {
7273 struct timespec ts;
7274 unsigned int prio;
7275
7276 p = lock_user (VERIFY_READ, arg2, arg3, 1);
7277 if (arg5 != 0) {
7278 target_to_host_timespec(&ts, arg5);
7279 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
7280 host_to_target_timespec(arg5, &ts);
7281 }
7282 else
7283 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
7284 unlock_user (p, arg2, arg3);
7285 if (arg4 != 0)
7286 put_user_u32(prio, arg4);
7287 }
7288 break;
7289
7290 /* Not implemented for now... */
7291/* case TARGET_NR_mq_notify: */
7292/* break; */
7293
7294 case TARGET_NR_mq_getsetattr:
7295 {
7296 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
7297 ret = 0;
7298 if (arg3 != 0) {
7299 ret = mq_getattr(arg1, &posix_mq_attr_out);
7300 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
7301 }
7302 if (arg2 != 0) {
7303 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
7304 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
7305 }
7306
7307 }
7308 break;
7309#endif
7310
3ce34dfb
VS		 7311#ifdef CONFIG_SPLICE
7312#ifdef TARGET_NR_tee
7313 case TARGET_NR_tee:
7314 {
7315 ret = get_errno(tee(arg1,arg2,arg3,arg4));
7316 }
7317 break;
7318#endif
7319#ifdef TARGET_NR_splice
7320 case TARGET_NR_splice:
7321 {
7322 loff_t loff_in, loff_out;
7323 loff_t *ploff_in = NULL, *ploff_out = NULL;
7324 if(arg2) {
7325 get_user_u64(loff_in, arg2);
7326 ploff_in = &loff_in;
7327 }
7328 if(arg4) {
7329 get_user_u64(loff_out, arg2);
7330 ploff_out = &loff_out;
7331 }
7332 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
7333 }
7334 break;
7335#endif
7336#ifdef TARGET_NR_vmsplice
7337 case TARGET_NR_vmsplice:
7338 {
7339 int count = arg3;
7340 struct iovec *vec;
7341
7342 vec = alloca(count * sizeof(struct iovec));
7343 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
7344 goto efault;
7345 ret = get_errno(vmsplice(arg1, vec, count, arg4));
7346 unlock_iovec(vec, arg2, count, 0);
7347 }
7348 break;
7349#endif
7350#endif /* CONFIG_SPLICE */
c2882b96
RV		 7351#ifdef CONFIG_EVENTFD
7352#if defined(TARGET_NR_eventfd)
7353 case TARGET_NR_eventfd:
7354 ret = get_errno(eventfd(arg1, 0));
7355 break;
7356#endif
7357#if defined(TARGET_NR_eventfd2)
7358 case TARGET_NR_eventfd2:
7359 ret = get_errno(eventfd(arg1, arg2));
7360 break;
7361#endif
7362#endif /* CONFIG_EVENTFD */
d0927938
UH		 7363#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
7364 case TARGET_NR_fallocate:
7365 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
7366 break;
c727f47d
PM		 7367#endif
7368#if defined(CONFIG_SYNC_FILE_RANGE)
7369#if defined(TARGET_NR_sync_file_range)
7370 case TARGET_NR_sync_file_range:
7371#if TARGET_ABI_BITS == 32
7372 ret = get_errno(sync_file_range(arg1, target_offset64(arg2, arg3),
7373 target_offset64(arg4, arg5), arg6));
7374#else
7375 ret = get_errno(sync_file_range(arg1, arg2, arg3, arg4));
7376#endif
7377 break;
7378#endif
7379#if defined(TARGET_NR_sync_file_range2)
7380 case TARGET_NR_sync_file_range2:
7381 /* This is like sync_file_range but the arguments are reordered */
7382#if TARGET_ABI_BITS == 32
7383 ret = get_errno(sync_file_range(arg1, target_offset64(arg3, arg4),
7384 target_offset64(arg5, arg6), arg2));
7385#else
7386 ret = get_errno(sync_file_range(arg1, arg3, arg4, arg2));
7387#endif
7388 break;
7389#endif
d0927938 7390#endif
31e31b8a
FB		 7391 default:
7392 unimplemented:
5cd4393b 7393 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 7394#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 7395 unimplemented_nowarn:
80a9d035 7396#endif
0da46a6e 7397 ret = -TARGET_ENOSYS;
31e31b8a
FB		 7398 break;
7399 }
579a97f7 7400fail:
c573ff67 7401#ifdef DEBUG
0bf9e31a 7402 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 7403#endif
b92c47c1
TS		 7404 if(do_strace)
7405 print_syscall_ret(num, ret);
31e31b8a 7406 return ret;
579a97f7
FB		 7407efault:
7408 ret = -TARGET_EFAULT;
7409 goto fail;
31e31b8a 7410}
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