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31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
8167ee88 17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
31e31b8a 18 */
d5b3a9b6 19#define _ATFILE_SOURCE
31e31b8a
FB		 20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
82e671d9 30#include <limits.h>
31e31b8a 31#include <sys/types.h>
d08d3bb8
TS		 32#include <sys/ipc.h>
33#include <sys/msg.h>
31e31b8a
FB		 34#include <sys/wait.h>
35#include <sys/time.h>
36#include <sys/stat.h>
37#include <sys/mount.h>
39b9aae1 38#include <sys/prctl.h>
31e31b8a
FB		 39#include <sys/resource.h>
40#include <sys/mman.h>
41#include <sys/swap.h>
42#include <signal.h>
43#include <sched.h>
44#include <sys/socket.h>
607175e0 45#include <sys/un.h>
31e31b8a 46#include <sys/uio.h>
9de5e440 47#include <sys/poll.h>
32f36bce 48#include <sys/times.h>
8853f86e 49#include <sys/shm.h>
fa294816 50#include <sys/sem.h>
56c8f68f 51#include <sys/statfs.h>
ebc05488 52#include <utime.h>
a5448a7d 53#include <sys/sysinfo.h>
3b3f24ad 54#include <sys/utsname.h>
72f03900 55//#include <sys/user.h>
8853f86e 56#include <netinet/ip.h>
7854b056 57#include <netinet/tcp.h>
0b6d3ae0 58#include <qemu-common.h>
9788c9ca 59#ifdef TARGET_GPROF
6d946cda
AJ		 60#include <sys/gmon.h>
61#endif
c2882b96
RV		 62#ifdef CONFIG_EVENTFD
63#include <sys/eventfd.h>
64#endif
31e31b8a
FB		 65
66#define termios host_termios
67#define winsize host_winsize
68#define termio host_termio
04369ff2
FB		 69#define sgttyb host_sgttyb /* same as target */
70#define tchars host_tchars /* same as target */
71#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 72
73#include <linux/termios.h>
74#include <linux/unistd.h>
75#include <linux/utsname.h>
76#include <linux/cdrom.h>
77#include <linux/hdreg.h>
78#include <linux/soundcard.h>
19b84f3c 79#include <linux/kd.h>
8fbd6b52 80#include <linux/mtio.h>
350d1779 81#include <linux/fs.h>
f7680a55
UH		 82#include <linux/fb.h>
83#include <linux/vt.h>
d7e4036e 84#include "linux_loop.h"
31e31b8a 85
3ef693a0 86#include "qemu.h"
526ccb7a 87#include "qemu-common.h"
31e31b8a 88
2f7bb878 89#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 90#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
91 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
92#else
93/* XXX: Hardcode the above values. */
94#define CLONE_NPTL_FLAGS2 0
30813cea
PB		 95#endif
96
72f03900 97//#define DEBUG
31e31b8a 98
1a9353d2 99//#include <linux/msdos_fs.h>
6556a833
AJ		 100#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
101#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 102
70a194b9 103
70a194b9
FB		 104#undef _syscall0
105#undef _syscall1
106#undef _syscall2
107#undef _syscall3
108#undef _syscall4
109#undef _syscall5
83fcb515 110#undef _syscall6
70a194b9 111
83fcb515 112#define _syscall0(type,name) \
8fcd3692 113static type name (void) \
83fcb515
FB		 114{ \
115 return syscall(__NR_##name); \
116}
70a194b9 117
83fcb515 118#define _syscall1(type,name,type1,arg1) \
8fcd3692 119static type name (type1 arg1) \
83fcb515
FB		 120{ \
121 return syscall(__NR_##name, arg1); \
70a194b9
FB		 122}
123
83fcb515 124#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 125static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 126{ \
127 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 128}
129
83fcb515 130#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 131static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 132{ \
133 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 134}
135
83fcb515 136#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 137static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 138{ \
139 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 140}
141
83fcb515
FB		 142#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
143 type5,arg5) \
8fcd3692 144static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 145{ \
146 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 147}
148
83fcb515
FB		 149
150#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
151 type5,arg5,type6,arg6) \
8fcd3692
BS		 152static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
153 type6 arg6) \
83fcb515
FB		 154{ \
155 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 156}
83fcb515 157
70a194b9 158
31e31b8a 159#define __NR_sys_uname __NR_uname
92a34c10 160#define __NR_sys_faccessat __NR_faccessat
814d7977 161#define __NR_sys_fchmodat __NR_fchmodat
ccfa72b7 162#define __NR_sys_fchownat __NR_fchownat
6a24a778 163#define __NR_sys_fstatat64 __NR_fstatat64
ac8a6556 164#define __NR_sys_futimesat __NR_futimesat
72f03900 165#define __NR_sys_getcwd1 __NR_getcwd
72f03900 166#define __NR_sys_getdents __NR_getdents
dab2ed99 167#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 168#define __NR_sys_getpriority __NR_getpriority
64f0ce4c 169#define __NR_sys_linkat __NR_linkat
4472ad0d 170#define __NR_sys_mkdirat __NR_mkdirat
75ac37a0 171#define __NR_sys_mknodat __NR_mknodat
9d33b76b 172#define __NR_sys_newfstatat __NR_newfstatat
82424832 173#define __NR_sys_openat __NR_openat
5e0ccb18 174#define __NR_sys_readlinkat __NR_readlinkat
722183f6 175#define __NR_sys_renameat __NR_renameat
66fb9763 176#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
f0b6243d 177#define __NR_sys_symlinkat __NR_symlinkat
7494b0f9 178#define __NR_sys_syslog __NR_syslog
71455574 179#define __NR_sys_tgkill __NR_tgkill
4cae1d16 180#define __NR_sys_tkill __NR_tkill
8170f56b 181#define __NR_sys_unlinkat __NR_unlinkat
9007f0ef 182#define __NR_sys_utimensat __NR_utimensat
bd0c5661 183#define __NR_sys_futex __NR_futex
39b59763
AJ		 184#define __NR_sys_inotify_init __NR_inotify_init
185#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
186#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 187
bc51c5c9 188#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 189#define __NR__llseek __NR_lseek
190#endif
191
72f03900 192#ifdef __NR_gettid
31e31b8a 193_syscall0(int, gettid)
72f03900 194#else
0da46a6e
TS		 195/* This is a replacement for the host gettid() and must return a host
196 errno. */
72f03900
FB		 197static int gettid(void) {
198 return -ENOSYS;
199}
200#endif
3b3f24ad 201_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
3b3f24ad
AJ		 202#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
203_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
204#endif
205_syscall2(int, sys_getpriority, int, which, int, who);
909b69cf 206#if defined(TARGET_NR__llseek) && !defined (__x86_64__)
3b3f24ad
AJ		 207_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
208 loff_t *, res, uint, wh);
209#endif
210_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
211_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
212#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
213_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
214#endif
215#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
216_syscall2(int,sys_tkill,int,tid,int,sig)
217#endif
218#ifdef __NR_exit_group
219_syscall1(int,exit_group,int,error_code)
220#endif
221#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
222_syscall1(int,set_tid_address,int *,tidptr)
223#endif
2f7bb878 224#if defined(CONFIG_USE_NPTL)
3b3f24ad
AJ		 225#if defined(TARGET_NR_futex) && defined(__NR_futex)
226_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
227 const struct timespec *,timeout,int *,uaddr2,int,val3)
228#endif
229#endif
230
231static bitmask_transtbl fcntl_flags_tbl[] = {
232 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
233 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
234 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
235 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
236 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
237 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
238 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
239 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
240 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
241 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
242 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
243 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
244 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
245#if defined(O_DIRECT)
246 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
247#endif
248 { 0, 0, 0, 0 }
249};
250
251#define COPY_UTSNAME_FIELD(dest, src) \
252 do { \
253 /* __NEW_UTS_LEN doesn't include terminating null */ \
254 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
255 (dest)[__NEW_UTS_LEN] = '\0'; \
256 } while (0)
257
258static int sys_uname(struct new_utsname *buf)
259{
260 struct utsname uts_buf;
261
262 if (uname(&uts_buf) < 0)
263 return (-1);
264
265 /*
266 * Just in case these have some differences, we
267 * translate utsname to new_utsname (which is the
268 * struct linux kernel uses).
269 */
270
271 bzero(buf, sizeof (*buf));
272 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
273 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
274 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
275 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
276 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
277#ifdef _GNU_SOURCE
278 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
279#endif
280 return (0);
281
282#undef COPY_UTSNAME_FIELD
283}
284
285static int sys_getcwd1(char *buf, size_t size)
286{
287 if (getcwd(buf, size) == NULL) {
288 /* getcwd() sets errno */
289 return (-1);
290 }
aaf4ad39 291 return strlen(buf)+1;
3b3f24ad
AJ		 292}
293
294#ifdef CONFIG_ATFILE
295/*
296 * Host system seems to have atfile syscall stubs available. We
297 * now enable them one by one as specified by target syscall_nr.h.
298 */
299
300#ifdef TARGET_NR_faccessat
465c9f06 301static int sys_faccessat(int dirfd, const char *pathname, int mode)
3b3f24ad 302{
465c9f06 303 return (faccessat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 304}
305#endif
306#ifdef TARGET_NR_fchmodat
465c9f06 307static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
3b3f24ad 308{
465c9f06 309 return (fchmodat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 310}
311#endif
fda33744 312#if defined(TARGET_NR_fchownat) && defined(USE_UID16)
3b3f24ad
AJ		 313static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
314 gid_t group, int flags)
315{
316 return (fchownat(dirfd, pathname, owner, group, flags));
317}
318#endif
319#ifdef __NR_fstatat64
320static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
321 int flags)
322{
323 return (fstatat(dirfd, pathname, buf, flags));
324}
325#endif
326#ifdef __NR_newfstatat
327static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
328 int flags)
329{
330 return (fstatat(dirfd, pathname, buf, flags));
331}
332#endif
333#ifdef TARGET_NR_futimesat
334static int sys_futimesat(int dirfd, const char *pathname,
335 const struct timeval times[2])
336{
337 return (futimesat(dirfd, pathname, times));
338}
339#endif
340#ifdef TARGET_NR_linkat
341static int sys_linkat(int olddirfd, const char *oldpath,
342 int newdirfd, const char *newpath, int flags)
343{
344 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
345}
346#endif
347#ifdef TARGET_NR_mkdirat
348static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
349{
350 return (mkdirat(dirfd, pathname, mode));
351}
352#endif
353#ifdef TARGET_NR_mknodat
354static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
355 dev_t dev)
356{
357 return (mknodat(dirfd, pathname, mode, dev));
358}
359#endif
360#ifdef TARGET_NR_openat
361static int sys_openat(int dirfd, const char *pathname, int flags, ...)
362{
363 /*
364 * open(2) has extra parameter 'mode' when called with
365 * flag O_CREAT.
366 */
367 if ((flags & O_CREAT) != 0) {
368 va_list ap;
369 mode_t mode;
370
371 /*
372 * Get the 'mode' parameter and translate it to
373 * host bits.
374 */
375 va_start(ap, flags);
376 mode = va_arg(ap, mode_t);
377 mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
378 va_end(ap);
379
380 return (openat(dirfd, pathname, flags, mode));
381 }
382 return (openat(dirfd, pathname, flags));
383}
384#endif
385#ifdef TARGET_NR_readlinkat
386static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
387{
388 return (readlinkat(dirfd, pathname, buf, bufsiz));
389}
390#endif
391#ifdef TARGET_NR_renameat
392static int sys_renameat(int olddirfd, const char *oldpath,
393 int newdirfd, const char *newpath)
394{
395 return (renameat(olddirfd, oldpath, newdirfd, newpath));
396}
397#endif
398#ifdef TARGET_NR_symlinkat
399static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
400{
401 return (symlinkat(oldpath, newdirfd, newpath));
402}
403#endif
404#ifdef TARGET_NR_unlinkat
405static int sys_unlinkat(int dirfd, const char *pathname, int flags)
406{
407 return (unlinkat(dirfd, pathname, flags));
408}
409#endif
3b3f24ad
AJ		 410#else /* !CONFIG_ATFILE */
411
412/*
413 * Try direct syscalls instead
414 */
92a34c10 415#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
465c9f06 416_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
92a34c10 417#endif
814d7977 418#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
465c9f06 419_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
814d7977 420#endif
4583f589 421#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
ccfa72b7
TS		 422_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
423 uid_t,owner,gid_t,group,int,flags)
424#endif
9d33b76b
AJ		 425#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
426 defined(__NR_fstatat64)
6a24a778
AZ		 427_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
428 struct stat *,buf,int,flags)
429#endif
ac8a6556
AZ		 430#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
431_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
432 const struct timeval *,times)
433#endif
3b3f24ad
AJ		 434#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
435 defined(__NR_newfstatat)
436_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
437 struct stat *,buf,int,flags)
8fcd3692 438#endif
64f0ce4c
TS		 439#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
440_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
3b3f24ad 441 int,newdirfd,const char *,newpath,int,flags)
64f0ce4c 442#endif
4472ad0d
TS		 443#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
444_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
445#endif
75ac37a0
TS		 446#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
447_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
448 mode_t,mode,dev_t,dev)
449#endif
82424832
TS		 450#if defined(TARGET_NR_openat) && defined(__NR_openat)
451_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
452#endif
5e0ccb18
TS		 453#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
454_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
455 char *,buf,size_t,bufsize)
456#endif
722183f6
TS		 457#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
458_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
459 int,newdirfd,const char *,newpath)
460#endif
b51eaa82 461#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
f0b6243d
TS		 462_syscall3(int,sys_symlinkat,const char *,oldpath,
463 int,newdirfd,const char *,newpath)
464#endif
8170f56b
TS		 465#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
466_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
467#endif
ebc996f3
RV		 468
469#endif /* CONFIG_ATFILE */
470
471#ifdef CONFIG_UTIMENSAT
472static int sys_utimensat(int dirfd, const char *pathname,
473 const struct timespec times[2], int flags)
474{
475 if (pathname == NULL)
476 return futimens(dirfd, times);
477 else
478 return utimensat(dirfd, pathname, times, flags);
479}
480#else
9007f0ef
TS		 481#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
482_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
483 const struct timespec *,tsp,int,flags)
484#endif
ebc996f3 485#endif /* CONFIG_UTIMENSAT */
3b3f24ad
AJ		 486
487#ifdef CONFIG_INOTIFY
8690e420 488#include <sys/inotify.h>
3b3f24ad 489
39b59763 490#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 491static int sys_inotify_init(void)
492{
493 return (inotify_init());
494}
39b59763
AJ		 495#endif
496#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 497static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
498{
499 return (inotify_add_watch(fd, pathname, mask));
500}
39b59763
AJ		 501#endif
502#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 503static int sys_inotify_rm_watch(int fd, int32_t wd)
504{
8690e420 505 return (inotify_rm_watch(fd, wd));
3b3f24ad 506}
bd0c5661 507#endif
3b3f24ad
AJ		 508#else
509/* Userspace can usually survive runtime without inotify */
510#undef TARGET_NR_inotify_init
511#undef TARGET_NR_inotify_add_watch
512#undef TARGET_NR_inotify_rm_watch
513#endif /* CONFIG_INOTIFY */
514
66fb9763
FB		 515
516extern int personality(int);
9de5e440
FB		 517extern int flock(int, int);
518extern int setfsuid(int);
519extern int setfsgid(int);
19b84f3c 520extern int setgroups(int, gid_t *);
31e31b8a 521
b92c47c1
TS		 522#define ERRNO_TABLE_SIZE 1200
523
524/* target_to_host_errno_table[] is initialized from
525 * host_to_target_errno_table[] in syscall_init(). */
526static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
527};
528
637947f1 529/*
fe8f096b 530 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 531 * minus the errnos that are not actually generic to all archs.
532 */
b92c47c1 533static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 534 [EIDRM] = TARGET_EIDRM,
535 [ECHRNG] = TARGET_ECHRNG,
536 [EL2NSYNC] = TARGET_EL2NSYNC,
537 [EL3HLT] = TARGET_EL3HLT,
538 [EL3RST] = TARGET_EL3RST,
539 [ELNRNG] = TARGET_ELNRNG,
540 [EUNATCH] = TARGET_EUNATCH,
541 [ENOCSI] = TARGET_ENOCSI,
542 [EL2HLT] = TARGET_EL2HLT,
543 [EDEADLK] = TARGET_EDEADLK,
544 [ENOLCK] = TARGET_ENOLCK,
545 [EBADE] = TARGET_EBADE,
546 [EBADR] = TARGET_EBADR,
547 [EXFULL] = TARGET_EXFULL,
548 [ENOANO] = TARGET_ENOANO,
549 [EBADRQC] = TARGET_EBADRQC,
550 [EBADSLT] = TARGET_EBADSLT,
551 [EBFONT] = TARGET_EBFONT,
552 [ENOSTR] = TARGET_ENOSTR,
553 [ENODATA] = TARGET_ENODATA,
554 [ETIME] = TARGET_ETIME,
555 [ENOSR] = TARGET_ENOSR,
556 [ENONET] = TARGET_ENONET,
557 [ENOPKG] = TARGET_ENOPKG,
558 [EREMOTE] = TARGET_EREMOTE,
559 [ENOLINK] = TARGET_ENOLINK,
560 [EADV] = TARGET_EADV,
561 [ESRMNT] = TARGET_ESRMNT,
562 [ECOMM] = TARGET_ECOMM,
563 [EPROTO] = TARGET_EPROTO,
564 [EDOTDOT] = TARGET_EDOTDOT,
565 [EMULTIHOP] = TARGET_EMULTIHOP,
566 [EBADMSG] = TARGET_EBADMSG,
567 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
568 [EOVERFLOW] = TARGET_EOVERFLOW,
569 [ENOTUNIQ] = TARGET_ENOTUNIQ,
570 [EBADFD] = TARGET_EBADFD,
571 [EREMCHG] = TARGET_EREMCHG,
572 [ELIBACC] = TARGET_ELIBACC,
573 [ELIBBAD] = TARGET_ELIBBAD,
574 [ELIBSCN] = TARGET_ELIBSCN,
575 [ELIBMAX] = TARGET_ELIBMAX,
576 [ELIBEXEC] = TARGET_ELIBEXEC,
577 [EILSEQ] = TARGET_EILSEQ,
578 [ENOSYS] = TARGET_ENOSYS,
579 [ELOOP] = TARGET_ELOOP,
580 [ERESTART] = TARGET_ERESTART,
581 [ESTRPIPE] = TARGET_ESTRPIPE,
582 [ENOTEMPTY] = TARGET_ENOTEMPTY,
583 [EUSERS] = TARGET_EUSERS,
584 [ENOTSOCK] = TARGET_ENOTSOCK,
585 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
586 [EMSGSIZE] = TARGET_EMSGSIZE,
587 [EPROTOTYPE] = TARGET_EPROTOTYPE,
588 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
589 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
590 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
591 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
592 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
593 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
594 [EADDRINUSE] = TARGET_EADDRINUSE,
595 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
596 [ENETDOWN] = TARGET_ENETDOWN,
597 [ENETUNREACH] = TARGET_ENETUNREACH,
598 [ENETRESET] = TARGET_ENETRESET,
599 [ECONNABORTED] = TARGET_ECONNABORTED,
600 [ECONNRESET] = TARGET_ECONNRESET,
601 [ENOBUFS] = TARGET_ENOBUFS,
602 [EISCONN] = TARGET_EISCONN,
603 [ENOTCONN] = TARGET_ENOTCONN,
604 [EUCLEAN] = TARGET_EUCLEAN,
605 [ENOTNAM] = TARGET_ENOTNAM,
606 [ENAVAIL] = TARGET_ENAVAIL,
607 [EISNAM] = TARGET_EISNAM,
608 [EREMOTEIO] = TARGET_EREMOTEIO,
609 [ESHUTDOWN] = TARGET_ESHUTDOWN,
610 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
611 [ETIMEDOUT] = TARGET_ETIMEDOUT,
612 [ECONNREFUSED] = TARGET_ECONNREFUSED,
613 [EHOSTDOWN] = TARGET_EHOSTDOWN,
614 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
615 [EALREADY] = TARGET_EALREADY,
616 [EINPROGRESS] = TARGET_EINPROGRESS,
617 [ESTALE] = TARGET_ESTALE,
618 [ECANCELED] = TARGET_ECANCELED,
619 [ENOMEDIUM] = TARGET_ENOMEDIUM,
620 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 621#ifdef ENOKEY
637947f1 622 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 623#endif
624#ifdef EKEYEXPIRED
637947f1 625 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 626#endif
627#ifdef EKEYREVOKED
637947f1 628 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 629#endif
630#ifdef EKEYREJECTED
637947f1 631 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 632#endif
633#ifdef EOWNERDEAD
637947f1 634 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 635#endif
636#ifdef ENOTRECOVERABLE
637947f1 637 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 638#endif
b92c47c1 639};
637947f1
TS		 640
641static inline int host_to_target_errno(int err)
642{
643 if(host_to_target_errno_table[err])
644 return host_to_target_errno_table[err];
645 return err;
646}
647
b92c47c1
TS		 648static inline int target_to_host_errno(int err)
649{
650 if (target_to_host_errno_table[err])
651 return target_to_host_errno_table[err];
652 return err;
653}
654
992f48a0 655static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 656{
657 if (ret == -1)
637947f1 658 return -host_to_target_errno(errno);
31e31b8a
FB		 659 else
660 return ret;
661}
662
992f48a0 663static inline int is_error(abi_long ret)
31e31b8a 664{
992f48a0 665 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 666}
667
b92c47c1
TS		 668char *target_strerror(int err)
669{
670 return strerror(target_to_host_errno(err));
671}
672
992f48a0
BS		 673static abi_ulong target_brk;
674static abi_ulong target_original_brk;
31e31b8a 675
992f48a0 676void target_set_brk(abi_ulong new_brk)
31e31b8a 677{
4c1de73d 678 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
31e31b8a
FB		 679}
680
0da46a6e 681/* do_brk() must return target values and target errnos. */
992f48a0 682abi_long do_brk(abi_ulong new_brk)
31e31b8a 683{
992f48a0
BS		 684 abi_ulong brk_page;
685 abi_long mapped_addr;
31e31b8a
FB		 686 int new_alloc_size;
687
688 if (!new_brk)
53a5960a 689 return target_brk;
31e31b8a 690 if (new_brk < target_original_brk)
7ab240ad 691 return target_brk;
3b46e624 692
53a5960a 693 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 694
695 /* If the new brk is less than this, set it and we're done... */
696 if (new_brk < brk_page) {
697 target_brk = new_brk;
53a5960a 698 return target_brk;
31e31b8a
FB		 699 }
700
701 /* We need to allocate more memory after the brk... */
54936004 702 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
5fafdf24 703 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 704 PROT_READ|PROT_WRITE,
705 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
7ab240ad
AZ		 706
707 if (!is_error(mapped_addr))
31e31b8a 708 target_brk = new_brk;
7ab240ad
AZ		 709
710 return target_brk;
31e31b8a
FB		 711}
712
26edcf41
TS		 713static inline abi_long copy_from_user_fdset(fd_set *fds,
714 abi_ulong target_fds_addr,
715 int n)
31e31b8a 716{
26edcf41
TS		 717 int i, nw, j, k;
718 abi_ulong b, *target_fds;
719
720 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
721 if (!(target_fds = lock_user(VERIFY_READ,
722 target_fds_addr,
723 sizeof(abi_ulong) * nw,
724 1)))
725 return -TARGET_EFAULT;
726
727 FD_ZERO(fds);
728 k = 0;
729 for (i = 0; i < nw; i++) {
730 /* grab the abi_ulong */
731 __get_user(b, &target_fds[i]);
732 for (j = 0; j < TARGET_ABI_BITS; j++) {
733 /* check the bit inside the abi_ulong */
734 if ((b >> j) & 1)
735 FD_SET(k, fds);
736 k++;
31e31b8a 737 }
31e31b8a 738 }
26edcf41
TS		 739
740 unlock_user(target_fds, target_fds_addr, 0);
741
742 return 0;
31e31b8a
FB		 743}
744
26edcf41
TS		 745static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
746 const fd_set *fds,
747 int n)
31e31b8a 748{
31e31b8a 749 int i, nw, j, k;
992f48a0 750 abi_long v;
26edcf41 751 abi_ulong *target_fds;
31e31b8a 752
26edcf41
TS		 753 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
754 if (!(target_fds = lock_user(VERIFY_WRITE,
755 target_fds_addr,
756 sizeof(abi_ulong) * nw,
757 0)))
758 return -TARGET_EFAULT;
759
760 k = 0;
761 for (i = 0; i < nw; i++) {
762 v = 0;
763 for (j = 0; j < TARGET_ABI_BITS; j++) {
764 v |= ((FD_ISSET(k, fds) != 0) << j);
765 k++;
31e31b8a 766 }
26edcf41 767 __put_user(v, &target_fds[i]);
31e31b8a 768 }
26edcf41
TS		 769
770 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
771
772 return 0;
31e31b8a
FB		 773}
774
c596ed17
FB		 775#if defined(__alpha__)
776#define HOST_HZ 1024
777#else
778#define HOST_HZ 100
779#endif
780
992f48a0 781static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 782{
783#if HOST_HZ == TARGET_HZ
784 return ticks;
785#else
786 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
787#endif
788}
789
579a97f7
FB		 790static inline abi_long host_to_target_rusage(abi_ulong target_addr,
791 const struct rusage *rusage)
b409186b 792{
53a5960a
PB		 793 struct target_rusage *target_rusage;
794
579a97f7
FB		 795 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
796 return -TARGET_EFAULT;
b409186b
FB		 797 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
798 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
799 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
800 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
801 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
802 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
803 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
804 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
805 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
806 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
807 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
808 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
809 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
810 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
811 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
812 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
813 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
814 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 815 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 816
817 return 0;
b409186b
FB		 818}
819
788f5ec4
TS		 820static inline abi_long copy_from_user_timeval(struct timeval *tv,
821 abi_ulong target_tv_addr)
31e31b8a 822{
53a5960a
PB		 823 struct target_timeval *target_tv;
824
788f5ec4 825 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 826 return -TARGET_EFAULT;
788f5ec4
TS		 827
828 __get_user(tv->tv_sec, &target_tv->tv_sec);
829 __get_user(tv->tv_usec, &target_tv->tv_usec);
830
831 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 832
833 return 0;
31e31b8a
FB		 834}
835
788f5ec4
TS		 836static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
837 const struct timeval *tv)
31e31b8a 838{
53a5960a
PB		 839 struct target_timeval *target_tv;
840
788f5ec4 841 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 842 return -TARGET_EFAULT;
788f5ec4
TS		 843
844 __put_user(tv->tv_sec, &target_tv->tv_sec);
845 __put_user(tv->tv_usec, &target_tv->tv_usec);
846
847 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 848
849 return 0;
31e31b8a
FB		 850}
851
8ec9cf89
NF		 852#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
853#include <mqueue.h>
854
24e1003a
AJ		 855static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
856 abi_ulong target_mq_attr_addr)
857{
858 struct target_mq_attr *target_mq_attr;
859
860 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
861 target_mq_attr_addr, 1))
862 return -TARGET_EFAULT;
863
864 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
865 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
866 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
867 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
868
869 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
870
871 return 0;
872}
873
874static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
875 const struct mq_attr *attr)
876{
877 struct target_mq_attr *target_mq_attr;
878
879 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
880 target_mq_attr_addr, 0))
881 return -TARGET_EFAULT;
882
883 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
884 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
885 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
886 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
887
888 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
889
890 return 0;
891}
8ec9cf89 892#endif
31e31b8a 893
0da46a6e 894/* do_select() must return target values and target errnos. */
992f48a0 895static abi_long do_select(int n,
26edcf41
TS		 896 abi_ulong rfd_addr, abi_ulong wfd_addr,
897 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 898{
899 fd_set rfds, wfds, efds;
900 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
901 struct timeval tv, *tv_ptr;
992f48a0 902 abi_long ret;
31e31b8a 903
26edcf41
TS		 904 if (rfd_addr) {
905 if (copy_from_user_fdset(&rfds, rfd_addr, n))
906 return -TARGET_EFAULT;
907 rfds_ptr = &rfds;
53a5960a 908 } else {
53a5960a
PB		 909 rfds_ptr = NULL;
910 }
26edcf41
TS		 911 if (wfd_addr) {
912 if (copy_from_user_fdset(&wfds, wfd_addr, n))
913 return -TARGET_EFAULT;
914 wfds_ptr = &wfds;
53a5960a 915 } else {
53a5960a
PB		 916 wfds_ptr = NULL;
917 }
26edcf41
TS		 918 if (efd_addr) {
919 if (copy_from_user_fdset(&efds, efd_addr, n))
920 return -TARGET_EFAULT;
921 efds_ptr = &efds;
53a5960a 922 } else {
53a5960a
PB		 923 efds_ptr = NULL;
924 }
3b46e624 925
26edcf41 926 if (target_tv_addr) {
788f5ec4
TS		 927 if (copy_from_user_timeval(&tv, target_tv_addr))
928 return -TARGET_EFAULT;
31e31b8a
FB		 929 tv_ptr = &tv;
930 } else {
931 tv_ptr = NULL;
932 }
26edcf41 933
31e31b8a 934 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 935
26edcf41
TS		 936 if (!is_error(ret)) {
937 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
938 return -TARGET_EFAULT;
939 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
940 return -TARGET_EFAULT;
941 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
942 return -TARGET_EFAULT;
31e31b8a 943
788f5ec4
TS		 944 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
945 return -TARGET_EFAULT;
31e31b8a 946 }
579a97f7 947
31e31b8a
FB		 948 return ret;
949}
950
099d6b0f
RV		 951static abi_long do_pipe2(int host_pipe[], int flags)
952{
953#ifdef CONFIG_PIPE2
954 return pipe2(host_pipe, flags);
955#else
956 return -ENOSYS;
957#endif
958}
959
784ccfdb 960static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, int flags)
099d6b0f
RV		 961{
962 int host_pipe[2];
963 abi_long ret;
964 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
965
966 if (is_error(ret))
967 return get_errno(ret);
968#if defined(TARGET_MIPS)
969 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
970 ret = host_pipe[0];
971#elif defined(TARGET_SH4)
972 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
973 ret = host_pipe[0];
974#else
975 if (put_user_s32(host_pipe[0], pipedes)
976 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
977 return -TARGET_EFAULT;
978#endif
979 return get_errno(ret);
980}
981
b975b83b
LL		 982static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
983 abi_ulong target_addr,
984 socklen_t len)
985{
986 struct target_ip_mreqn *target_smreqn;
987
988 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
989 if (!target_smreqn)
990 return -TARGET_EFAULT;
991 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
992 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
993 if (len == sizeof(struct target_ip_mreqn))
994 mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
995 unlock_user(target_smreqn, target_addr, 0);
996
997 return 0;
998}
999
579a97f7
FB		 1000static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1001 abi_ulong target_addr,
1002 socklen_t len)
7854b056 1003{
607175e0
AJ		 1004 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1005 sa_family_t sa_family;
53a5960a
PB		 1006 struct target_sockaddr *target_saddr;
1007
579a97f7
FB		 1008 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1009 if (!target_saddr)
1010 return -TARGET_EFAULT;
607175e0
AJ		 1011
1012 sa_family = tswap16(target_saddr->sa_family);
1013
1014 /* Oops. The caller might send a incomplete sun_path; sun_path
1015 * must be terminated by \0 (see the manual page), but
1016 * unfortunately it is quite common to specify sockaddr_un
1017 * length as "strlen(x->sun_path)" while it should be
1018 * "strlen(...) + 1". We'll fix that here if needed.
1019 * Linux kernel has a similar feature.
1020 */
1021
1022 if (sa_family == AF_UNIX) {
1023 if (len < unix_maxlen && len > 0) {
1024 char *cp = (char*)target_saddr;
1025
1026 if ( cp[len-1] && !cp[len] )
1027 len++;
1028 }
1029 if (len > unix_maxlen)
1030 len = unix_maxlen;
1031 }
1032
53a5960a 1033 memcpy(addr, target_saddr, len);
607175e0 1034 addr->sa_family = sa_family;
53a5960a 1035 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1036
1037 return 0;
7854b056
FB		 1038}
1039
579a97f7
FB		 1040static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1041 struct sockaddr *addr,
1042 socklen_t len)
7854b056 1043{
53a5960a
PB		 1044 struct target_sockaddr *target_saddr;
1045
579a97f7
FB		 1046 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1047 if (!target_saddr)
1048 return -TARGET_EFAULT;
53a5960a
PB		 1049 memcpy(target_saddr, addr, len);
1050 target_saddr->sa_family = tswap16(addr->sa_family);
1051 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1052
1053 return 0;
7854b056
FB		 1054}
1055
53a5960a 1056/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1057static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1058 struct target_msghdr *target_msgh)
7854b056
FB		 1059{
1060 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1061 abi_long msg_controllen;
1062 abi_ulong target_cmsg_addr;
1063 struct target_cmsghdr *target_cmsg;
7854b056 1064 socklen_t space = 0;
5a4a898d
FB		 1065
1066 msg_controllen = tswapl(target_msgh->msg_controllen);
1067 if (msg_controllen < sizeof (struct target_cmsghdr))
1068 goto the_end;
1069 target_cmsg_addr = tswapl(target_msgh->msg_control);
1070 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1071 if (!target_cmsg)
1072 return -TARGET_EFAULT;
7854b056
FB		 1073
1074 while (cmsg && target_cmsg) {
1075 void *data = CMSG_DATA(cmsg);
1076 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1077
5fafdf24 1078 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 1079 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1080
1081 space += CMSG_SPACE(len);
1082 if (space > msgh->msg_controllen) {
1083 space -= CMSG_SPACE(len);
31febb71 1084 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1085 break;
1086 }
1087
1088 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1089 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1090 cmsg->cmsg_len = CMSG_LEN(len);
1091
3532fa74 1092 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1093 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1094 memcpy(data, target_data, len);
1095 } else {
1096 int *fd = (int *)data;
1097 int *target_fd = (int *)target_data;
1098 int i, numfds = len / sizeof(int);
1099
1100 for (i = 0; i < numfds; i++)
1101 fd[i] = tswap32(target_fd[i]);
1102 }
1103
1104 cmsg = CMSG_NXTHDR(msgh, cmsg);
1105 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1106 }
5a4a898d
FB		 1107 unlock_user(target_cmsg, target_cmsg_addr, 0);
1108 the_end:
7854b056 1109 msgh->msg_controllen = space;
5a4a898d 1110 return 0;
7854b056
FB		 1111}
1112
53a5960a 1113/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1114static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1115 struct msghdr *msgh)
7854b056
FB		 1116{
1117 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1118 abi_long msg_controllen;
1119 abi_ulong target_cmsg_addr;
1120 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1121 socklen_t space = 0;
1122
5a4a898d
FB		 1123 msg_controllen = tswapl(target_msgh->msg_controllen);
1124 if (msg_controllen < sizeof (struct target_cmsghdr))
1125 goto the_end;
1126 target_cmsg_addr = tswapl(target_msgh->msg_control);
1127 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1128 if (!target_cmsg)
1129 return -TARGET_EFAULT;
1130
7854b056
FB		 1131 while (cmsg && target_cmsg) {
1132 void *data = CMSG_DATA(cmsg);
1133 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1134
1135 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1136
1137 space += TARGET_CMSG_SPACE(len);
5a4a898d 1138 if (space > msg_controllen) {
7854b056 1139 space -= TARGET_CMSG_SPACE(len);
31febb71 1140 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1141 break;
1142 }
1143
1144 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1145 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1146 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1147
3532fa74 1148 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1149 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1150 memcpy(target_data, data, len);
1151 } else {
1152 int *fd = (int *)data;
1153 int *target_fd = (int *)target_data;
1154 int i, numfds = len / sizeof(int);
1155
1156 for (i = 0; i < numfds; i++)
1157 target_fd[i] = tswap32(fd[i]);
1158 }
1159
1160 cmsg = CMSG_NXTHDR(msgh, cmsg);
1161 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1162 }
5a4a898d
FB		 1163 unlock_user(target_cmsg, target_cmsg_addr, space);
1164 the_end:
1165 target_msgh->msg_controllen = tswapl(space);
1166 return 0;
7854b056
FB		 1167}
1168
0da46a6e 1169/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1170static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1171 abi_ulong optval_addr, socklen_t optlen)
7854b056 1172{
992f48a0 1173 abi_long ret;
32407103 1174 int val;
b975b83b 1175 struct ip_mreqn *ip_mreq;
6e3cb58f 1176 struct ip_mreq_source *ip_mreq_source;
3b46e624 1177
8853f86e
FB		 1178 switch(level) {
1179 case SOL_TCP:
7854b056 1180 /* TCP options all take an 'int' value. */
7854b056 1181 if (optlen < sizeof(uint32_t))
0da46a6e 1182 return -TARGET_EINVAL;
3b46e624 1183
2f619698
FB		 1184 if (get_user_u32(val, optval_addr))
1185 return -TARGET_EFAULT;
8853f86e
FB		 1186 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1187 break;
1188 case SOL_IP:
1189 switch(optname) {
2efbe911
FB		 1190 case IP_TOS:
1191 case IP_TTL:
8853f86e 1192 case IP_HDRINCL:
2efbe911
FB		 1193 case IP_ROUTER_ALERT:
1194 case IP_RECVOPTS:
1195 case IP_RETOPTS:
1196 case IP_PKTINFO:
1197 case IP_MTU_DISCOVER:
1198 case IP_RECVERR:
1199 case IP_RECVTOS:
1200#ifdef IP_FREEBIND
1201 case IP_FREEBIND:
1202#endif
1203 case IP_MULTICAST_TTL:
1204 case IP_MULTICAST_LOOP:
8853f86e
FB		 1205 val = 0;
1206 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1207 if (get_user_u32(val, optval_addr))
1208 return -TARGET_EFAULT;
8853f86e 1209 } else if (optlen >= 1) {
2f619698
FB		 1210 if (get_user_u8(val, optval_addr))
1211 return -TARGET_EFAULT;
8853f86e
FB		 1212 }
1213 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1214 break;
b975b83b
LL		 1215 case IP_ADD_MEMBERSHIP:
1216 case IP_DROP_MEMBERSHIP:
1217 if (optlen < sizeof (struct target_ip_mreq) ||
1218 optlen > sizeof (struct target_ip_mreqn))
1219 return -TARGET_EINVAL;
1220
1221 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1222 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1223 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1224 break;
1225
6e3cb58f
LL		 1226 case IP_BLOCK_SOURCE:
1227 case IP_UNBLOCK_SOURCE:
1228 case IP_ADD_SOURCE_MEMBERSHIP:
1229 case IP_DROP_SOURCE_MEMBERSHIP:
1230 if (optlen != sizeof (struct target_ip_mreq_source))
1231 return -TARGET_EINVAL;
1232
1233 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1234 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1235 unlock_user (ip_mreq_source, optval_addr, 0);
1236 break;
1237
8853f86e
FB		 1238 default:
1239 goto unimplemented;
1240 }
1241 break;
3532fa74 1242 case TARGET_SOL_SOCKET:
8853f86e
FB		 1243 switch (optname) {
1244 /* Options with 'int' argument. */
3532fa74
FB		 1245 case TARGET_SO_DEBUG:
1246 optname = SO_DEBUG;
1247 break;
1248 case TARGET_SO_REUSEADDR:
1249 optname = SO_REUSEADDR;
1250 break;
1251 case TARGET_SO_TYPE:
1252 optname = SO_TYPE;
1253 break;
1254 case TARGET_SO_ERROR:
1255 optname = SO_ERROR;
1256 break;
1257 case TARGET_SO_DONTROUTE:
1258 optname = SO_DONTROUTE;
1259 break;
1260 case TARGET_SO_BROADCAST:
1261 optname = SO_BROADCAST;
1262 break;
1263 case TARGET_SO_SNDBUF:
1264 optname = SO_SNDBUF;
1265 break;
1266 case TARGET_SO_RCVBUF:
1267 optname = SO_RCVBUF;
1268 break;
1269 case TARGET_SO_KEEPALIVE:
1270 optname = SO_KEEPALIVE;
1271 break;
1272 case TARGET_SO_OOBINLINE:
1273 optname = SO_OOBINLINE;
1274 break;
1275 case TARGET_SO_NO_CHECK:
1276 optname = SO_NO_CHECK;
1277 break;
1278 case TARGET_SO_PRIORITY:
1279 optname = SO_PRIORITY;
1280 break;
5e83e8e3 1281#ifdef SO_BSDCOMPAT
3532fa74
FB		 1282 case TARGET_SO_BSDCOMPAT:
1283 optname = SO_BSDCOMPAT;
1284 break;
5e83e8e3 1285#endif
3532fa74
FB		 1286 case TARGET_SO_PASSCRED:
1287 optname = SO_PASSCRED;
1288 break;
1289 case TARGET_SO_TIMESTAMP:
1290 optname = SO_TIMESTAMP;
1291 break;
1292 case TARGET_SO_RCVLOWAT:
1293 optname = SO_RCVLOWAT;
1294 break;
1295 case TARGET_SO_RCVTIMEO:
1296 optname = SO_RCVTIMEO;
1297 break;
1298 case TARGET_SO_SNDTIMEO:
1299 optname = SO_SNDTIMEO;
1300 break;
8853f86e
FB		 1301 break;
1302 default:
1303 goto unimplemented;
1304 }
3532fa74 1305 if (optlen < sizeof(uint32_t))
2f619698 1306 return -TARGET_EINVAL;
3532fa74 1307
2f619698
FB		 1308 if (get_user_u32(val, optval_addr))
1309 return -TARGET_EFAULT;
3532fa74 1310 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1311 break;
7854b056 1312 default:
8853f86e
FB		 1313 unimplemented:
1314 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
6fa13c17 1315 ret = -TARGET_ENOPROTOOPT;
7854b056 1316 }
8853f86e 1317 return ret;
7854b056
FB		 1318}
1319
0da46a6e 1320/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1321static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1322 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1323{
992f48a0 1324 abi_long ret;
b55266b5
BS		 1325 int len, val;
1326 socklen_t lv;
8853f86e
FB		 1327
1328 switch(level) {
3532fa74
FB		 1329 case TARGET_SOL_SOCKET:
1330 level = SOL_SOCKET;
8853f86e 1331 switch (optname) {
3532fa74
FB		 1332 case TARGET_SO_LINGER:
1333 case TARGET_SO_RCVTIMEO:
1334 case TARGET_SO_SNDTIMEO:
1335 case TARGET_SO_PEERCRED:
1336 case TARGET_SO_PEERNAME:
8853f86e
FB		 1337 /* These don't just return a single integer */
1338 goto unimplemented;
1339 default:
2efbe911
FB		 1340 goto int_case;
1341 }
1342 break;
1343 case SOL_TCP:
1344 /* TCP options all take an 'int' value. */
1345 int_case:
2f619698
FB		 1346 if (get_user_u32(len, optlen))
1347 return -TARGET_EFAULT;
2efbe911 1348 if (len < 0)
0da46a6e 1349 return -TARGET_EINVAL;
2efbe911
FB		 1350 lv = sizeof(int);
1351 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1352 if (ret < 0)
1353 return ret;
2efbe911
FB		 1354 if (len > lv)
1355 len = lv;
2f619698
FB		 1356 if (len == 4) {
1357 if (put_user_u32(val, optval_addr))
1358 return -TARGET_EFAULT;
1359 } else {
1360 if (put_user_u8(val, optval_addr))
1361 return -TARGET_EFAULT;
1362 }
1363 if (put_user_u32(len, optlen))
1364 return -TARGET_EFAULT;
2efbe911
FB		 1365 break;
1366 case SOL_IP:
1367 switch(optname) {
1368 case IP_TOS:
1369 case IP_TTL:
1370 case IP_HDRINCL:
1371 case IP_ROUTER_ALERT:
1372 case IP_RECVOPTS:
1373 case IP_RETOPTS:
1374 case IP_PKTINFO:
1375 case IP_MTU_DISCOVER:
1376 case IP_RECVERR:
1377 case IP_RECVTOS:
1378#ifdef IP_FREEBIND
1379 case IP_FREEBIND:
1380#endif
1381 case IP_MULTICAST_TTL:
1382 case IP_MULTICAST_LOOP:
2f619698
FB		 1383 if (get_user_u32(len, optlen))
1384 return -TARGET_EFAULT;
8853f86e 1385 if (len < 0)
0da46a6e 1386 return -TARGET_EINVAL;
8853f86e
FB		 1387 lv = sizeof(int);
1388 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1389 if (ret < 0)
1390 return ret;
2efbe911 1391 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1392 len = 1;
2f619698
FB		 1393 if (put_user_u32(len, optlen)
1394 || put_user_u8(val, optval_addr))
1395 return -TARGET_EFAULT;
2efbe911 1396 } else {
2efbe911
FB		 1397 if (len > sizeof(int))
1398 len = sizeof(int);
2f619698
FB		 1399 if (put_user_u32(len, optlen)
1400 || put_user_u32(val, optval_addr))
1401 return -TARGET_EFAULT;
2efbe911 1402 }
8853f86e 1403 break;
2efbe911 1404 default:
c02f499e
TS		 1405 ret = -TARGET_ENOPROTOOPT;
1406 break;
8853f86e
FB		 1407 }
1408 break;
1409 default:
1410 unimplemented:
1411 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1412 level, optname);
c02f499e 1413 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1414 break;
1415 }
1416 return ret;
7854b056
FB		 1417}
1418
579a97f7
FB		 1419/* FIXME
1420 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1421 * other lock functions have a return code of 0 for failure.
1422 */
1423static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1424 int count, int copy)
53a5960a
PB		 1425{
1426 struct target_iovec *target_vec;
992f48a0 1427 abi_ulong base;
d732dcb4 1428 int i;
53a5960a 1429
579a97f7
FB		 1430 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1431 if (!target_vec)
1432 return -TARGET_EFAULT;
53a5960a
PB		 1433 for(i = 0;i < count; i++) {
1434 base = tswapl(target_vec[i].iov_base);
1435 vec[i].iov_len = tswapl(target_vec[i].iov_len);
41df8411
FB		 1436 if (vec[i].iov_len != 0) {
1437 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1438 /* Don't check lock_user return value. We must call writev even
1439 if a element has invalid base address. */
41df8411
FB		 1440 } else {
1441 /* zero length pointer is ignored */
1442 vec[i].iov_base = NULL;
1443 }
579a97f7
FB		 1444 }
1445 unlock_user (target_vec, target_addr, 0);
1446 return 0;
53a5960a
PB		 1447}
1448
579a97f7
FB		 1449static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1450 int count, int copy)
53a5960a
PB		 1451{
1452 struct target_iovec *target_vec;
992f48a0 1453 abi_ulong base;
53a5960a
PB		 1454 int i;
1455
579a97f7
FB		 1456 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1457 if (!target_vec)
1458 return -TARGET_EFAULT;
53a5960a 1459 for(i = 0;i < count; i++) {
d732dcb4
AZ		 1460 if (target_vec[i].iov_base) {
1461 base = tswapl(target_vec[i].iov_base);
1462 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1463 }
53a5960a
PB		 1464 }
1465 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1466
1467 return 0;
53a5960a
PB		 1468}
1469
0da46a6e 1470/* do_socket() Must return target values and target errnos. */
992f48a0 1471static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1472{
1473#if defined(TARGET_MIPS)
1474 switch(type) {
1475 case TARGET_SOCK_DGRAM:
1476 type = SOCK_DGRAM;
1477 break;
1478 case TARGET_SOCK_STREAM:
1479 type = SOCK_STREAM;
1480 break;
1481 case TARGET_SOCK_RAW:
1482 type = SOCK_RAW;
1483 break;
1484 case TARGET_SOCK_RDM:
1485 type = SOCK_RDM;
1486 break;
1487 case TARGET_SOCK_SEQPACKET:
1488 type = SOCK_SEQPACKET;
1489 break;
1490 case TARGET_SOCK_PACKET:
1491 type = SOCK_PACKET;
1492 break;
1493 }
1494#endif
12bc92ab
AZ		 1495 if (domain == PF_NETLINK)
1496 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1497 return get_errno(socket(domain, type, protocol));
1498}
1499
0da46a6e 1500/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1501static abi_long do_bind(int sockfd, abi_ulong target_addr,
1502 socklen_t addrlen)
3532fa74 1503{
8f7aeaf6 1504 void *addr;
917507b0 1505 abi_long ret;
8f7aeaf6 1506
be09ac41 1507 if (addrlen < 0)
8f7aeaf6
AJ		 1508 return -TARGET_EINVAL;
1509
607175e0 1510 addr = alloca(addrlen+1);
3b46e624 1511
917507b0
AP		 1512 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1513 if (ret)
1514 return ret;
1515
3532fa74
FB		 1516 return get_errno(bind(sockfd, addr, addrlen));
1517}
1518
0da46a6e 1519/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1520static abi_long do_connect(int sockfd, abi_ulong target_addr,
1521 socklen_t addrlen)
3532fa74 1522{
8f7aeaf6 1523 void *addr;
917507b0 1524 abi_long ret;
8f7aeaf6 1525
be09ac41 1526 if (addrlen < 0)
8f7aeaf6
AJ		 1527 return -TARGET_EINVAL;
1528
1529 addr = alloca(addrlen);
3b46e624 1530
917507b0
AP		 1531 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1532 if (ret)
1533 return ret;
1534
3532fa74
FB		 1535 return get_errno(connect(sockfd, addr, addrlen));
1536}
1537
0da46a6e 1538/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1539static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1540 int flags, int send)
3532fa74 1541{
6de645c7 1542 abi_long ret, len;
3532fa74
FB		 1543 struct target_msghdr *msgp;
1544 struct msghdr msg;
1545 int count;
1546 struct iovec *vec;
992f48a0 1547 abi_ulong target_vec;
3532fa74 1548
579a97f7
FB		 1549 /* FIXME */
1550 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1551 msgp,
1552 target_msg,
1553 send ? 1 : 0))
1554 return -TARGET_EFAULT;
3532fa74
FB		 1555 if (msgp->msg_name) {
1556 msg.msg_namelen = tswap32(msgp->msg_namelen);
1557 msg.msg_name = alloca(msg.msg_namelen);
917507b0 1558 ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
3532fa74 1559 msg.msg_namelen);
917507b0
AP		 1560 if (ret) {
1561 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1562 return ret;
1563 }
3532fa74
FB		 1564 } else {
1565 msg.msg_name = NULL;
1566 msg.msg_namelen = 0;
1567 }
1568 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1569 msg.msg_control = alloca(msg.msg_controllen);
1570 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1571
3532fa74
FB		 1572 count = tswapl(msgp->msg_iovlen);
1573 vec = alloca(count * sizeof(struct iovec));
1574 target_vec = tswapl(msgp->msg_iov);
579a97f7 1575 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1576 msg.msg_iovlen = count;
1577 msg.msg_iov = vec;
3b46e624 1578
3532fa74 1579 if (send) {
5a4a898d
FB		 1580 ret = target_to_host_cmsg(&msg, msgp);
1581 if (ret == 0)
1582 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1583 } else {
1584 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1585 if (!is_error(ret)) {
1586 len = ret;
5a4a898d 1587 ret = host_to_target_cmsg(msgp, &msg);
6de645c7
AZ		 1588 if (!is_error(ret))
1589 ret = len;
1590 }
3532fa74
FB		 1591 }
1592 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1593 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1594 return ret;
1595}
1596
0da46a6e 1597/* do_accept() Must return target values and target errnos. */
992f48a0 1598static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1599 abi_ulong target_addrlen_addr)
1be9e1dc 1600{
2f619698
FB		 1601 socklen_t addrlen;
1602 void *addr;
992f48a0 1603 abi_long ret;
1be9e1dc 1604
917507b0
AP		 1605 if (target_addr == 0)
1606 return get_errno(accept(fd, NULL, NULL));
1607
1608 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 1609 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 1610 return -TARGET_EINVAL;
2f619698 1611
be09ac41 1612 if (addrlen < 0)
8f7aeaf6
AJ		 1613 return -TARGET_EINVAL;
1614
917507b0
AP		 1615 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1616 return -TARGET_EINVAL;
1617
2f619698
FB		 1618 addr = alloca(addrlen);
1619
1be9e1dc
PB		 1620 ret = get_errno(accept(fd, addr, &addrlen));
1621 if (!is_error(ret)) {
1622 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1623 if (put_user_u32(addrlen, target_addrlen_addr))
1624 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1625 }
1626 return ret;
1627}
1628
0da46a6e 1629/* do_getpeername() Must return target values and target errnos. */
992f48a0 1630static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1631 abi_ulong target_addrlen_addr)
1be9e1dc 1632{
2f619698
FB		 1633 socklen_t addrlen;
1634 void *addr;
992f48a0 1635 abi_long ret;
1be9e1dc 1636
2f619698
FB		 1637 if (get_user_u32(addrlen, target_addrlen_addr))
1638 return -TARGET_EFAULT;
1639
be09ac41 1640 if (addrlen < 0)
8f7aeaf6
AJ		 1641 return -TARGET_EINVAL;
1642
917507b0
AP		 1643 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1644 return -TARGET_EFAULT;
1645
2f619698
FB		 1646 addr = alloca(addrlen);
1647
1be9e1dc
PB		 1648 ret = get_errno(getpeername(fd, addr, &addrlen));
1649 if (!is_error(ret)) {
1650 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1651 if (put_user_u32(addrlen, target_addrlen_addr))
1652 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1653 }
1654 return ret;
1655}
1656
0da46a6e 1657/* do_getsockname() Must return target values and target errnos. */
992f48a0 1658static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1659 abi_ulong target_addrlen_addr)
1be9e1dc 1660{
2f619698
FB		 1661 socklen_t addrlen;
1662 void *addr;
992f48a0 1663 abi_long ret;
1be9e1dc 1664
2f619698
FB		 1665 if (get_user_u32(addrlen, target_addrlen_addr))
1666 return -TARGET_EFAULT;
1667
be09ac41 1668 if (addrlen < 0)
8f7aeaf6
AJ		 1669 return -TARGET_EINVAL;
1670
917507b0
AP		 1671 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1672 return -TARGET_EFAULT;
1673
2f619698
FB		 1674 addr = alloca(addrlen);
1675
1be9e1dc
PB		 1676 ret = get_errno(getsockname(fd, addr, &addrlen));
1677 if (!is_error(ret)) {
1678 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1679 if (put_user_u32(addrlen, target_addrlen_addr))
1680 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1681 }
1682 return ret;
1683}
1684
0da46a6e 1685/* do_socketpair() Must return target values and target errnos. */
992f48a0 1686static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1687 abi_ulong target_tab_addr)
1be9e1dc
PB		 1688{
1689 int tab[2];
992f48a0 1690 abi_long ret;
1be9e1dc
PB		 1691
1692 ret = get_errno(socketpair(domain, type, protocol, tab));
1693 if (!is_error(ret)) {
2f619698
FB		 1694 if (put_user_s32(tab[0], target_tab_addr)
1695 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1696 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1697 }
1698 return ret;
1699}
1700
0da46a6e 1701/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1702static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1703 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1704{
1705 void *addr;
1706 void *host_msg;
992f48a0 1707 abi_long ret;
1be9e1dc 1708
be09ac41 1709 if (addrlen < 0)
8f7aeaf6
AJ		 1710 return -TARGET_EINVAL;
1711
579a97f7
FB		 1712 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1713 if (!host_msg)
1714 return -TARGET_EFAULT;
1be9e1dc
PB		 1715 if (target_addr) {
1716 addr = alloca(addrlen);
917507b0
AP		 1717 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1718 if (ret) {
1719 unlock_user(host_msg, msg, 0);
1720 return ret;
1721 }
1be9e1dc
PB		 1722 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1723 } else {
1724 ret = get_errno(send(fd, host_msg, len, flags));
1725 }
1726 unlock_user(host_msg, msg, 0);
1727 return ret;
1728}
1729
0da46a6e 1730/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 1731static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1732 abi_ulong target_addr,
1733 abi_ulong target_addrlen)
1be9e1dc
PB		 1734{
1735 socklen_t addrlen;
1736 void *addr;
1737 void *host_msg;
992f48a0 1738 abi_long ret;
1be9e1dc 1739
579a97f7
FB		 1740 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1741 if (!host_msg)
1742 return -TARGET_EFAULT;
1be9e1dc 1743 if (target_addr) {
2f619698
FB		 1744 if (get_user_u32(addrlen, target_addrlen)) {
1745 ret = -TARGET_EFAULT;
1746 goto fail;
1747 }
be09ac41 1748 if (addrlen < 0) {
8f7aeaf6
AJ		 1749 ret = -TARGET_EINVAL;
1750 goto fail;
1751 }
1be9e1dc
PB		 1752 addr = alloca(addrlen);
1753 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1754 } else {
1755 addr = NULL; /* To keep compiler quiet. */
1756 ret = get_errno(recv(fd, host_msg, len, flags));
1757 }
1758 if (!is_error(ret)) {
1759 if (target_addr) {
1760 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1761 if (put_user_u32(addrlen, target_addrlen)) {
1762 ret = -TARGET_EFAULT;
1763 goto fail;
1764 }
1be9e1dc
PB		 1765 }
1766 unlock_user(host_msg, msg, len);
1767 } else {
2f619698 1768fail:
1be9e1dc
PB		 1769 unlock_user(host_msg, msg, 0);
1770 }
1771 return ret;
1772}
1773
32407103 1774#ifdef TARGET_NR_socketcall
0da46a6e 1775/* do_socketcall() Must return target values and target errnos. */
992f48a0 1776static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 1777{
992f48a0
BS		 1778 abi_long ret;
1779 const int n = sizeof(abi_ulong);
31e31b8a
FB		 1780
1781 switch(num) {
1782 case SOCKOP_socket:
7854b056 1783 {
98818189 1784 abi_ulong domain, type, protocol;
2f619698 1785
98818189
UH		 1786 if (get_user_ual(domain, vptr)
1787 || get_user_ual(type, vptr + n)
1788 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 1789 return -TARGET_EFAULT;
1790
3532fa74 1791 ret = do_socket(domain, type, protocol);
7854b056 1792 }
31e31b8a
FB		 1793 break;
1794 case SOCKOP_bind:
7854b056 1795 {
98818189 1796 abi_ulong sockfd;
2f619698
FB		 1797 abi_ulong target_addr;
1798 socklen_t addrlen;
1799
98818189 1800 if (get_user_ual(sockfd, vptr)
2f619698 1801 || get_user_ual(target_addr, vptr + n)
98818189 1802 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1803 return -TARGET_EFAULT;
1804
3532fa74 1805 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1806 }
31e31b8a
FB		 1807 break;
1808 case SOCKOP_connect:
7854b056 1809 {
98818189 1810 abi_ulong sockfd;
2f619698
FB		 1811 abi_ulong target_addr;
1812 socklen_t addrlen;
1813
98818189 1814 if (get_user_ual(sockfd, vptr)
2f619698 1815 || get_user_ual(target_addr, vptr + n)
98818189 1816 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1817 return -TARGET_EFAULT;
1818
3532fa74 1819 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1820 }
31e31b8a
FB		 1821 break;
1822 case SOCKOP_listen:
7854b056 1823 {
98818189 1824 abi_ulong sockfd, backlog;
2f619698 1825
98818189
UH		 1826 if (get_user_ual(sockfd, vptr)
1827 || get_user_ual(backlog, vptr + n))
2f619698
FB		 1828 return -TARGET_EFAULT;
1829
7854b056
FB		 1830 ret = get_errno(listen(sockfd, backlog));
1831 }
31e31b8a
FB		 1832 break;
1833 case SOCKOP_accept:
1834 {
98818189 1835 abi_ulong sockfd;
2f619698
FB		 1836 abi_ulong target_addr, target_addrlen;
1837
98818189 1838 if (get_user_ual(sockfd, vptr)
2f619698 1839 || get_user_ual(target_addr, vptr + n)
98818189 1840 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1841 return -TARGET_EFAULT;
1842
1be9e1dc 1843 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1844 }
1845 break;
1846 case SOCKOP_getsockname:
1847 {
98818189 1848 abi_ulong sockfd;
2f619698
FB		 1849 abi_ulong target_addr, target_addrlen;
1850
98818189 1851 if (get_user_ual(sockfd, vptr)
2f619698 1852 || get_user_ual(target_addr, vptr + n)
98818189 1853 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1854 return -TARGET_EFAULT;
1855
1be9e1dc 1856 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1857 }
1858 break;
1859 case SOCKOP_getpeername:
1860 {
98818189 1861 abi_ulong sockfd;
2f619698
FB		 1862 abi_ulong target_addr, target_addrlen;
1863
98818189 1864 if (get_user_ual(sockfd, vptr)
2f619698 1865 || get_user_ual(target_addr, vptr + n)
98818189 1866 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1867 return -TARGET_EFAULT;
1868
1be9e1dc 1869 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1870 }
1871 break;
1872 case SOCKOP_socketpair:
1873 {
98818189 1874 abi_ulong domain, type, protocol;
2f619698
FB		 1875 abi_ulong tab;
1876
98818189
UH		 1877 if (get_user_ual(domain, vptr)
1878 || get_user_ual(type, vptr + n)
1879 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 1880 || get_user_ual(tab, vptr + 3 * n))
1881 return -TARGET_EFAULT;
1882
1be9e1dc 1883 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1884 }
1885 break;
1886 case SOCKOP_send:
7854b056 1887 {
98818189 1888 abi_ulong sockfd;
2f619698
FB		 1889 abi_ulong msg;
1890 size_t len;
98818189 1891 abi_ulong flags;
2f619698 1892
98818189 1893 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1894 || get_user_ual(msg, vptr + n)
1895 || get_user_ual(len, vptr + 2 * n)
98818189 1896 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 1897 return -TARGET_EFAULT;
1898
1be9e1dc 1899 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1900 }
31e31b8a
FB		 1901 break;
1902 case SOCKOP_recv:
7854b056 1903 {
98818189 1904 abi_ulong sockfd;
2f619698
FB		 1905 abi_ulong msg;
1906 size_t len;
98818189 1907 abi_ulong flags;
2f619698 1908
98818189 1909 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1910 || get_user_ual(msg, vptr + n)
1911 || get_user_ual(len, vptr + 2 * n)
98818189 1912 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 1913 return -TARGET_EFAULT;
1914
1be9e1dc 1915 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1916 }
31e31b8a
FB		 1917 break;
1918 case SOCKOP_sendto:
7854b056 1919 {
98818189 1920 abi_ulong sockfd;
2f619698
FB		 1921 abi_ulong msg;
1922 size_t len;
98818189 1923 abi_ulong flags;
2f619698
FB		 1924 abi_ulong addr;
1925 socklen_t addrlen;
1926
98818189 1927 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1928 || get_user_ual(msg, vptr + n)
1929 || get_user_ual(len, vptr + 2 * n)
98818189 1930 || get_user_ual(flags, vptr + 3 * n)
2f619698 1931 || get_user_ual(addr, vptr + 4 * n)
98818189 1932 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 1933 return -TARGET_EFAULT;
1934
1be9e1dc 1935 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1936 }
31e31b8a
FB		 1937 break;
1938 case SOCKOP_recvfrom:
1939 {
98818189 1940 abi_ulong sockfd;
2f619698
FB		 1941 abi_ulong msg;
1942 size_t len;
98818189 1943 abi_ulong flags;
2f619698
FB		 1944 abi_ulong addr;
1945 socklen_t addrlen;
1946
98818189 1947 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1948 || get_user_ual(msg, vptr + n)
1949 || get_user_ual(len, vptr + 2 * n)
98818189 1950 || get_user_ual(flags, vptr + 3 * n)
2f619698 1951 || get_user_ual(addr, vptr + 4 * n)
98818189 1952 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 1953 return -TARGET_EFAULT;
1954
1be9e1dc 1955 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1956 }
1957 break;
1958 case SOCKOP_shutdown:
7854b056 1959 {
98818189 1960 abi_ulong sockfd, how;
2f619698 1961
98818189
UH		 1962 if (get_user_ual(sockfd, vptr)
1963 || get_user_ual(how, vptr + n))
2f619698 1964 return -TARGET_EFAULT;
7854b056
FB		 1965
1966 ret = get_errno(shutdown(sockfd, how));
1967 }
31e31b8a
FB		 1968 break;
1969 case SOCKOP_sendmsg:
1970 case SOCKOP_recvmsg:
1a9353d2 1971 {
98818189 1972 abi_ulong fd;
992f48a0 1973 abi_ulong target_msg;
98818189 1974 abi_ulong flags;
1a9353d2 1975
98818189 1976 if (get_user_ual(fd, vptr)
2f619698 1977 || get_user_ual(target_msg, vptr + n)
98818189 1978 || get_user_ual(flags, vptr + 2 * n))
2f619698 1979 return -TARGET_EFAULT;
3532fa74 1980
5fafdf24 1981 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 1982 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1983 }
1984 break;
31e31b8a 1985 case SOCKOP_setsockopt:
7854b056 1986 {
98818189
UH		 1987 abi_ulong sockfd;
1988 abi_ulong level;
1989 abi_ulong optname;
2f619698
FB		 1990 abi_ulong optval;
1991 socklen_t optlen;
1992
98818189
UH		 1993 if (get_user_ual(sockfd, vptr)
1994 || get_user_ual(level, vptr + n)
1995 || get_user_ual(optname, vptr + 2 * n)
2f619698 1996 || get_user_ual(optval, vptr + 3 * n)
98818189 1997 || get_user_ual(optlen, vptr + 4 * n))
2f619698 1998 return -TARGET_EFAULT;
7854b056
FB		 1999
2000 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2001 }
2002 break;
31e31b8a 2003 case SOCKOP_getsockopt:
7854b056 2004 {
98818189
UH		 2005 abi_ulong sockfd;
2006 abi_ulong level;
2007 abi_ulong optname;
2f619698
FB		 2008 abi_ulong optval;
2009 socklen_t optlen;
2010
98818189
UH		 2011 if (get_user_ual(sockfd, vptr)
2012 || get_user_ual(level, vptr + n)
2013 || get_user_ual(optname, vptr + 2 * n)
2f619698 2014 || get_user_ual(optval, vptr + 3 * n)
98818189 2015 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2016 return -TARGET_EFAULT;
7854b056 2017
2f619698 2018 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2019 }
2020 break;
31e31b8a
FB		 2021 default:
2022 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2023 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2024 break;
2025 }
2026 return ret;
2027}
32407103 2028#endif
31e31b8a 2029
8853f86e
FB		 2030#define N_SHM_REGIONS 32
2031
2032static struct shm_region {
5a4a898d
FB		 2033 abi_ulong start;
2034 abi_ulong size;
8853f86e
FB		 2035} shm_regions[N_SHM_REGIONS];
2036
3eb6b044
TS		 2037struct target_ipc_perm
2038{
992f48a0
BS		 2039 abi_long __key;
2040 abi_ulong uid;
2041 abi_ulong gid;
2042 abi_ulong cuid;
2043 abi_ulong cgid;
3eb6b044
TS		 2044 unsigned short int mode;
2045 unsigned short int __pad1;
2046 unsigned short int __seq;
2047 unsigned short int __pad2;
992f48a0
BS		 2048 abi_ulong __unused1;
2049 abi_ulong __unused2;
3eb6b044
TS		 2050};
2051
2052struct target_semid_ds
2053{
2054 struct target_ipc_perm sem_perm;
992f48a0
BS		 2055 abi_ulong sem_otime;
2056 abi_ulong __unused1;
2057 abi_ulong sem_ctime;
2058 abi_ulong __unused2;
2059 abi_ulong sem_nsems;
2060 abi_ulong __unused3;
2061 abi_ulong __unused4;
3eb6b044
TS		 2062};
2063
579a97f7
FB		 2064static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2065 abi_ulong target_addr)
3eb6b044
TS		 2066{
2067 struct target_ipc_perm *target_ip;
2068 struct target_semid_ds *target_sd;
2069
579a97f7
FB		 2070 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2071 return -TARGET_EFAULT;
e8bbe36c 2072 target_ip = &(target_sd->sem_perm);
3eb6b044
TS		 2073 host_ip->__key = tswapl(target_ip->__key);
2074 host_ip->uid = tswapl(target_ip->uid);
2075 host_ip->gid = tswapl(target_ip->gid);
2076 host_ip->cuid = tswapl(target_ip->cuid);
2077 host_ip->cgid = tswapl(target_ip->cgid);
2078 host_ip->mode = tswapl(target_ip->mode);
2079 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2080 return 0;
3eb6b044
TS		 2081}
2082
579a97f7
FB		 2083static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2084 struct ipc_perm *host_ip)
3eb6b044
TS		 2085{
2086 struct target_ipc_perm *target_ip;
2087 struct target_semid_ds *target_sd;
2088
579a97f7
FB		 2089 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2090 return -TARGET_EFAULT;
3eb6b044
TS		 2091 target_ip = &(target_sd->sem_perm);
2092 target_ip->__key = tswapl(host_ip->__key);
2093 target_ip->uid = tswapl(host_ip->uid);
2094 target_ip->gid = tswapl(host_ip->gid);
2095 target_ip->cuid = tswapl(host_ip->cuid);
2096 target_ip->cgid = tswapl(host_ip->cgid);
2097 target_ip->mode = tswapl(host_ip->mode);
2098 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2099 return 0;
3eb6b044
TS		 2100}
2101
579a97f7
FB		 2102static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2103 abi_ulong target_addr)
3eb6b044
TS		 2104{
2105 struct target_semid_ds *target_sd;
2106
579a97f7
FB		 2107 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2108 return -TARGET_EFAULT;
e5289087
AJ		 2109 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2110 return -TARGET_EFAULT;
3eb6b044
TS		 2111 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2112 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2113 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2114 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2115 return 0;
3eb6b044
TS		 2116}
2117
579a97f7
FB		 2118static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2119 struct semid_ds *host_sd)
3eb6b044
TS		 2120{
2121 struct target_semid_ds *target_sd;
2122
579a97f7
FB		 2123 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2124 return -TARGET_EFAULT;
e5289087
AJ		 2125 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2126 return -TARGET_EFAULT;;
3eb6b044
TS		 2127 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2128 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2129 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2130 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2131 return 0;
3eb6b044
TS		 2132}
2133
e5289087
AJ		 2134struct target_seminfo {
2135 int semmap;
2136 int semmni;
2137 int semmns;
2138 int semmnu;
2139 int semmsl;
2140 int semopm;
2141 int semume;
2142 int semusz;
2143 int semvmx;
2144 int semaem;
2145};
2146
2147static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2148 struct seminfo *host_seminfo)
2149{
2150 struct target_seminfo *target_seminfo;
2151 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2152 return -TARGET_EFAULT;
2153 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2154 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2155 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2156 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2157 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2158 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2159 __put_user(host_seminfo->semume, &target_seminfo->semume);
2160 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2161 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2162 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2163 unlock_user_struct(target_seminfo, target_addr, 1);
2164 return 0;
2165}
2166
fa294816
TS		 2167union semun {
2168 int val;
3eb6b044 2169 struct semid_ds *buf;
fa294816 2170 unsigned short *array;
e5289087 2171 struct seminfo *__buf;
fa294816
TS		 2172};
2173
3eb6b044
TS		 2174union target_semun {
2175 int val;
e5289087
AJ		 2176 abi_ulong buf;
2177 abi_ulong array;
2178 abi_ulong __buf;
3eb6b044
TS		 2179};
2180
e5289087
AJ		 2181static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2182 abi_ulong target_addr)
3eb6b044 2183{
e5289087
AJ		 2184 int nsems;
2185 unsigned short *array;
2186 union semun semun;
2187 struct semid_ds semid_ds;
2188 int i, ret;
3eb6b044 2189
e5289087
AJ		 2190 semun.buf = &semid_ds;
2191
2192 ret = semctl(semid, 0, IPC_STAT, semun);
2193 if (ret == -1)
2194 return get_errno(ret);
2195
2196 nsems = semid_ds.sem_nsems;
2197
2198 *host_array = malloc(nsems*sizeof(unsigned short));
2199 array = lock_user(VERIFY_READ, target_addr,
2200 nsems*sizeof(unsigned short), 1);
2201 if (!array)
2202 return -TARGET_EFAULT;
2203
2204 for(i=0; i<nsems; i++) {
2205 __get_user((*host_array)[i], &array[i]);
3eb6b044 2206 }
e5289087
AJ		 2207 unlock_user(array, target_addr, 0);
2208
579a97f7 2209 return 0;
3eb6b044
TS		 2210}
2211
e5289087
AJ		 2212static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2213 unsigned short **host_array)
3eb6b044 2214{
e5289087
AJ		 2215 int nsems;
2216 unsigned short *array;
2217 union semun semun;
2218 struct semid_ds semid_ds;
2219 int i, ret;
3eb6b044 2220
e5289087
AJ		 2221 semun.buf = &semid_ds;
2222
2223 ret = semctl(semid, 0, IPC_STAT, semun);
2224 if (ret == -1)
2225 return get_errno(ret);
2226
2227 nsems = semid_ds.sem_nsems;
2228
2229 array = lock_user(VERIFY_WRITE, target_addr,
2230 nsems*sizeof(unsigned short), 0);
2231 if (!array)
2232 return -TARGET_EFAULT;
2233
2234 for(i=0; i<nsems; i++) {
2235 __put_user((*host_array)[i], &array[i]);
3eb6b044 2236 }
e5289087
AJ		 2237 free(*host_array);
2238 unlock_user(array, target_addr, 1);
2239
579a97f7 2240 return 0;
3eb6b044
TS		 2241}
2242
e5289087
AJ		 2243static inline abi_long do_semctl(int semid, int semnum, int cmd,
2244 union target_semun target_su)
3eb6b044
TS		 2245{
2246 union semun arg;
2247 struct semid_ds dsarg;
7b8118e8 2248 unsigned short *array = NULL;
e5289087
AJ		 2249 struct seminfo seminfo;
2250 abi_long ret = -TARGET_EINVAL;
2251 abi_long err;
2252 cmd &= 0xff;
3eb6b044
TS		 2253
2254 switch( cmd ) {
2255 case GETVAL:
3eb6b044 2256 case SETVAL:
e5289087
AJ		 2257 arg.val = tswapl(target_su.val);
2258 ret = get_errno(semctl(semid, semnum, cmd, arg));
2259 target_su.val = tswapl(arg.val);
3eb6b044
TS		 2260 break;
2261 case GETALL:
3eb6b044 2262 case SETALL:
e5289087
AJ		 2263 err = target_to_host_semarray(semid, &array, target_su.array);
2264 if (err)
2265 return err;
2266 arg.array = array;
2267 ret = get_errno(semctl(semid, semnum, cmd, arg));
2268 err = host_to_target_semarray(semid, target_su.array, &array);
2269 if (err)
2270 return err;
3eb6b044
TS		 2271 break;
2272 case IPC_STAT:
3eb6b044 2273 case IPC_SET:
e5289087
AJ		 2274 case SEM_STAT:
2275 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2276 if (err)
2277 return err;
2278 arg.buf = &dsarg;
2279 ret = get_errno(semctl(semid, semnum, cmd, arg));
2280 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2281 if (err)
2282 return err;
2283 break;
2284 case IPC_INFO:
2285 case SEM_INFO:
2286 arg.__buf = &seminfo;
2287 ret = get_errno(semctl(semid, semnum, cmd, arg));
2288 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2289 if (err)
2290 return err;
2291 break;
2292 case IPC_RMID:
2293 case GETPID:
2294 case GETNCNT:
2295 case GETZCNT:
2296 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2297 break;
3eb6b044
TS		 2298 }
2299
2300 return ret;
2301}
2302
e5289087
AJ		 2303struct target_sembuf {
2304 unsigned short sem_num;
2305 short sem_op;
2306 short sem_flg;
2307};
2308
2309static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2310 abi_ulong target_addr,
2311 unsigned nsops)
2312{
2313 struct target_sembuf *target_sembuf;
2314 int i;
2315
2316 target_sembuf = lock_user(VERIFY_READ, target_addr,
2317 nsops*sizeof(struct target_sembuf), 1);
2318 if (!target_sembuf)
2319 return -TARGET_EFAULT;
2320
2321 for(i=0; i<nsops; i++) {
2322 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2323 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2324 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2325 }
2326
2327 unlock_user(target_sembuf, target_addr, 0);
2328
2329 return 0;
2330}
2331
2332static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2333{
2334 struct sembuf sops[nsops];
2335
2336 if (target_to_host_sembuf(sops, ptr, nsops))
2337 return -TARGET_EFAULT;
2338
2339 return semop(semid, sops, nsops);
2340}
2341
1bc012f6
TS		 2342struct target_msqid_ds
2343{
1c54ff97
AJ		 2344 struct target_ipc_perm msg_perm;
2345 abi_ulong msg_stime;
2346#if TARGET_ABI_BITS == 32
2347 abi_ulong __unused1;
2348#endif
2349 abi_ulong msg_rtime;
2350#if TARGET_ABI_BITS == 32
2351 abi_ulong __unused2;
2352#endif
2353 abi_ulong msg_ctime;
2354#if TARGET_ABI_BITS == 32
2355 abi_ulong __unused3;
2356#endif
2357 abi_ulong __msg_cbytes;
2358 abi_ulong msg_qnum;
2359 abi_ulong msg_qbytes;
2360 abi_ulong msg_lspid;
2361 abi_ulong msg_lrpid;
2362 abi_ulong __unused4;
2363 abi_ulong __unused5;
1bc012f6
TS		 2364};
2365
579a97f7
FB		 2366static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2367 abi_ulong target_addr)
1bc012f6
TS		 2368{
2369 struct target_msqid_ds *target_md;
2370
579a97f7
FB		 2371 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2372 return -TARGET_EFAULT;
1c54ff97
AJ		 2373 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2374 return -TARGET_EFAULT;
1bc012f6
TS		 2375 host_md->msg_stime = tswapl(target_md->msg_stime);
2376 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2377 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2378 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2379 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2380 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2381 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2382 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2383 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2384 return 0;
1bc012f6
TS		 2385}
2386
579a97f7
FB		 2387static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2388 struct msqid_ds *host_md)
1bc012f6
TS		 2389{
2390 struct target_msqid_ds *target_md;
2391
579a97f7
FB		 2392 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2393 return -TARGET_EFAULT;
1c54ff97
AJ		 2394 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2395 return -TARGET_EFAULT;
1bc012f6
TS		 2396 target_md->msg_stime = tswapl(host_md->msg_stime);
2397 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2398 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2399 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2400 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2401 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2402 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2403 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2404 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2405 return 0;
1bc012f6
TS		 2406}
2407
1c54ff97
AJ		 2408struct target_msginfo {
2409 int msgpool;
2410 int msgmap;
2411 int msgmax;
2412 int msgmnb;
2413 int msgmni;
2414 int msgssz;
2415 int msgtql;
2416 unsigned short int msgseg;
2417};
2418
2419static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2420 struct msginfo *host_msginfo)
2421{
2422 struct target_msginfo *target_msginfo;
2423 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2424 return -TARGET_EFAULT;
2425 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2426 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2427 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2428 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2429 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2430 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2431 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2432 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2433 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2434 return 0;
1c54ff97
AJ		 2435}
2436
2437static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2438{
2439 struct msqid_ds dsarg;
1c54ff97
AJ		 2440 struct msginfo msginfo;
2441 abi_long ret = -TARGET_EINVAL;
2442
2443 cmd &= 0xff;
2444
2445 switch (cmd) {
1bc012f6
TS		 2446 case IPC_STAT:
2447 case IPC_SET:
1c54ff97
AJ		 2448 case MSG_STAT:
2449 if (target_to_host_msqid_ds(&dsarg,ptr))
2450 return -TARGET_EFAULT;
2451 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2452 if (host_to_target_msqid_ds(ptr,&dsarg))
2453 return -TARGET_EFAULT;
2454 break;
2455 case IPC_RMID:
2456 ret = get_errno(msgctl(msgid, cmd, NULL));
2457 break;
2458 case IPC_INFO:
2459 case MSG_INFO:
2460 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2461 if (host_to_target_msginfo(ptr, &msginfo))
2462 return -TARGET_EFAULT;
2463 break;
1bc012f6 2464 }
1c54ff97 2465
1bc012f6
TS		 2466 return ret;
2467}
2468
2469struct target_msgbuf {
1c54ff97
AJ		 2470 abi_long mtype;
2471 char mtext[1];
1bc012f6
TS		 2472};
2473
992f48a0
BS		 2474static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2475 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2476{
2477 struct target_msgbuf *target_mb;
2478 struct msgbuf *host_mb;
992f48a0 2479 abi_long ret = 0;
1bc012f6 2480
579a97f7
FB		 2481 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2482 return -TARGET_EFAULT;
1bc012f6 2483 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2484 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2485 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2486 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2487 free(host_mb);
2488 unlock_user_struct(target_mb, msgp, 0);
2489
2490 return ret;
2491}
2492
992f48a0 2493static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2494 unsigned int msgsz, abi_long msgtyp,
992f48a0 2495 int msgflg)
1bc012f6
TS		 2496{
2497 struct target_msgbuf *target_mb;
579a97f7 2498 char *target_mtext;
1bc012f6 2499 struct msgbuf *host_mb;
992f48a0 2500 abi_long ret = 0;
1bc012f6 2501
579a97f7
FB		 2502 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2503 return -TARGET_EFAULT;
1c54ff97 2504
1bc012f6 2505 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2506 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2507
579a97f7
FB		 2508 if (ret > 0) {
2509 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2510 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2511 if (!target_mtext) {
2512 ret = -TARGET_EFAULT;
2513 goto end;
2514 }
1c54ff97 2515 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2516 unlock_user(target_mtext, target_mtext_addr, ret);
2517 }
1c54ff97 2518
1bc012f6
TS		 2519 target_mb->mtype = tswapl(host_mb->mtype);
2520 free(host_mb);
1bc012f6 2521
579a97f7
FB		 2522end:
2523 if (target_mb)
2524 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 2525 return ret;
2526}
2527
88a8c984
RV		 2528struct target_shmid_ds
2529{
2530 struct target_ipc_perm shm_perm;
2531 abi_ulong shm_segsz;
2532 abi_ulong shm_atime;
2533#if TARGET_ABI_BITS == 32
2534 abi_ulong __unused1;
2535#endif
2536 abi_ulong shm_dtime;
2537#if TARGET_ABI_BITS == 32
2538 abi_ulong __unused2;
2539#endif
2540 abi_ulong shm_ctime;
2541#if TARGET_ABI_BITS == 32
2542 abi_ulong __unused3;
2543#endif
2544 int shm_cpid;
2545 int shm_lpid;
2546 abi_ulong shm_nattch;
2547 unsigned long int __unused4;
2548 unsigned long int __unused5;
2549};
2550
2551static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2552 abi_ulong target_addr)
2553{
2554 struct target_shmid_ds *target_sd;
2555
2556 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2557 return -TARGET_EFAULT;
2558 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2559 return -TARGET_EFAULT;
2560 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2561 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2562 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2563 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2564 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2565 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2566 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2567 unlock_user_struct(target_sd, target_addr, 0);
2568 return 0;
2569}
2570
2571static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2572 struct shmid_ds *host_sd)
2573{
2574 struct target_shmid_ds *target_sd;
2575
2576 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2577 return -TARGET_EFAULT;
2578 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2579 return -TARGET_EFAULT;
2580 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2581 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2582 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2583 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2584 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2585 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2586 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2587 unlock_user_struct(target_sd, target_addr, 1);
2588 return 0;
2589}
2590
2591struct target_shminfo {
2592 abi_ulong shmmax;
2593 abi_ulong shmmin;
2594 abi_ulong shmmni;
2595 abi_ulong shmseg;
2596 abi_ulong shmall;
2597};
2598
2599static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2600 struct shminfo *host_shminfo)
2601{
2602 struct target_shminfo *target_shminfo;
2603 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2604 return -TARGET_EFAULT;
2605 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2606 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2607 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2608 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2609 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2610 unlock_user_struct(target_shminfo, target_addr, 1);
2611 return 0;
2612}
2613
2614struct target_shm_info {
2615 int used_ids;
2616 abi_ulong shm_tot;
2617 abi_ulong shm_rss;
2618 abi_ulong shm_swp;
2619 abi_ulong swap_attempts;
2620 abi_ulong swap_successes;
2621};
2622
2623static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2624 struct shm_info *host_shm_info)
2625{
2626 struct target_shm_info *target_shm_info;
2627 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2628 return -TARGET_EFAULT;
2629 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2630 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2631 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2632 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2633 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2634 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2635 unlock_user_struct(target_shm_info, target_addr, 1);
2636 return 0;
2637}
2638
2639static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2640{
2641 struct shmid_ds dsarg;
2642 struct shminfo shminfo;
2643 struct shm_info shm_info;
2644 abi_long ret = -TARGET_EINVAL;
2645
2646 cmd &= 0xff;
2647
2648 switch(cmd) {
2649 case IPC_STAT:
2650 case IPC_SET:
2651 case SHM_STAT:
2652 if (target_to_host_shmid_ds(&dsarg, buf))
2653 return -TARGET_EFAULT;
2654 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2655 if (host_to_target_shmid_ds(buf, &dsarg))
2656 return -TARGET_EFAULT;
2657 break;
2658 case IPC_INFO:
2659 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2660 if (host_to_target_shminfo(buf, &shminfo))
2661 return -TARGET_EFAULT;
2662 break;
2663 case SHM_INFO:
2664 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2665 if (host_to_target_shm_info(buf, &shm_info))
2666 return -TARGET_EFAULT;
2667 break;
2668 case IPC_RMID:
2669 case SHM_LOCK:
2670 case SHM_UNLOCK:
2671 ret = get_errno(shmctl(shmid, cmd, NULL));
2672 break;
2673 }
2674
2675 return ret;
2676}
2677
2678static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2679{
2680 abi_long raddr;
2681 void *host_raddr;
2682 struct shmid_ds shm_info;
2683 int i,ret;
2684
2685 /* find out the length of the shared memory segment */
2686 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2687 if (is_error(ret)) {
2688 /* can't get length, bail out */
2689 return ret;
2690 }
2691
2692 mmap_lock();
2693
2694 if (shmaddr)
2695 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2696 else {
2697 abi_ulong mmap_start;
2698
2699 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2700
2701 if (mmap_start == -1) {
2702 errno = ENOMEM;
2703 host_raddr = (void *)-1;
2704 } else
2705 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2706 }
2707
2708 if (host_raddr == (void *)-1) {
2709 mmap_unlock();
2710 return get_errno((long)host_raddr);
2711 }
2712 raddr=h2g((unsigned long)host_raddr);
2713
2714 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2715 PAGE_VALID | PAGE_READ |
2716 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2717
2718 for (i = 0; i < N_SHM_REGIONS; i++) {
2719 if (shm_regions[i].start == 0) {
2720 shm_regions[i].start = raddr;
2721 shm_regions[i].size = shm_info.shm_segsz;
2722 break;
2723 }
2724 }
2725
2726 mmap_unlock();
2727 return raddr;
2728
2729}
2730
2731static inline abi_long do_shmdt(abi_ulong shmaddr)
2732{
2733 int i;
2734
2735 for (i = 0; i < N_SHM_REGIONS; ++i) {
2736 if (shm_regions[i].start == shmaddr) {
2737 shm_regions[i].start = 0;
2738 page_set_flags(shmaddr, shm_regions[i].size, 0);
2739 break;
2740 }
2741 }
2742
2743 return get_errno(shmdt(g2h(shmaddr)));
2744}
2745
1c54ff97 2746#ifdef TARGET_NR_ipc
53a5960a 2747/* ??? This only works with linear mappings. */
0da46a6e 2748/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 2749static abi_long do_ipc(unsigned int call, int first,
2750 int second, int third,
2751 abi_long ptr, abi_long fifth)
8853f86e
FB		 2752{
2753 int version;
992f48a0 2754 abi_long ret = 0;
8853f86e
FB		 2755
2756 version = call >> 16;
2757 call &= 0xffff;
2758
2759 switch (call) {
fa294816 2760 case IPCOP_semop:
e5289087 2761 ret = do_semop(first, ptr, second);
fa294816
TS		 2762 break;
2763
2764 case IPCOP_semget:
2765 ret = get_errno(semget(first, second, third));
2766 break;
2767
2768 case IPCOP_semctl:
e5289087 2769 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 2770 break;
d96372ef 2771
1c54ff97
AJ		 2772 case IPCOP_msgget:
2773 ret = get_errno(msgget(first, second));
2774 break;
d96372ef 2775
1c54ff97
AJ		 2776 case IPCOP_msgsnd:
2777 ret = do_msgsnd(first, ptr, second, third);
2778 break;
d96372ef 2779
1c54ff97
AJ		 2780 case IPCOP_msgctl:
2781 ret = do_msgctl(first, second, ptr);
2782 break;
d96372ef 2783
1c54ff97
AJ		 2784 case IPCOP_msgrcv:
2785 switch (version) {
2786 case 0:
2787 {
2788 struct target_ipc_kludge {
2789 abi_long msgp;
2790 abi_long msgtyp;
2791 } *tmp;
2792
2793 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2794 ret = -TARGET_EFAULT;
2795 break;
2796 }
d96372ef 2797
1c54ff97 2798 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 2799
1c54ff97
AJ		 2800 unlock_user_struct(tmp, ptr, 0);
2801 break;
2802 }
2803 default:
2804 ret = do_msgrcv(first, ptr, second, fifth, third);
2805 }
2806 break;
d96372ef 2807
8853f86e 2808 case IPCOP_shmat:
88a8c984
RV		 2809 switch (version) {
2810 default:
5a4a898d
FB		 2811 {
2812 abi_ulong raddr;
88a8c984
RV		 2813 raddr = do_shmat(first, ptr, second);
2814 if (is_error(raddr))
2815 return get_errno(raddr);
2f619698 2816 if (put_user_ual(raddr, third))
5a4a898d 2817 return -TARGET_EFAULT;
88a8c984
RV		 2818 break;
2819 }
2820 case 1:
2821 ret = -TARGET_EINVAL;
2822 break;
5a4a898d 2823 }
8853f86e
FB		 2824 break;
2825 case IPCOP_shmdt:
88a8c984 2826 ret = do_shmdt(ptr);
8853f86e
FB		 2827 break;
2828
2829 case IPCOP_shmget:
2830 /* IPC_* flag values are the same on all linux platforms */
2831 ret = get_errno(shmget(first, second, third));
2832 break;
2833
2834 /* IPC_* and SHM_* command values are the same on all linux platforms */
2835 case IPCOP_shmctl:
88a8c984 2836 ret = do_shmctl(first, second, third);
8853f86e
FB		 2837 break;
2838 default:
32407103 2839 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 2840 ret = -TARGET_ENOSYS;
8853f86e
FB		 2841 break;
2842 }
2843 return ret;
2844}
32407103 2845#endif
8853f86e 2846
31e31b8a
FB		 2847/* kernel structure types definitions */
2848#define IFNAMSIZ 16
2849
001faf32 2850#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 2851#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2852enum {
2853#include "syscall_types.h"
2854};
2855#undef STRUCT
2856#undef STRUCT_SPECIAL
2857
001faf32 2858#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 2859#define STRUCT_SPECIAL(name)
2860#include "syscall_types.h"
2861#undef STRUCT
2862#undef STRUCT_SPECIAL
2863
2864typedef struct IOCTLEntry {
2ab83ea7
FB		 2865 unsigned int target_cmd;
2866 unsigned int host_cmd;
31e31b8a
FB		 2867 const char *name;
2868 int access;
1a9353d2 2869 const argtype arg_type[5];
31e31b8a
FB		 2870} IOCTLEntry;
2871
2872#define IOC_R 0x0001
2873#define IOC_W 0x0002
2874#define IOC_RW (IOC_R | IOC_W)
2875
2876#define MAX_STRUCT_SIZE 4096
2877
9f106a75 2878static IOCTLEntry ioctl_entries[] = {
001faf32
BS		 2879#define IOCTL(cmd, access, ...) \
2880 { TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } },
31e31b8a
FB		 2881#include "ioctls.h"
2882 { 0, 0, },
2883};
2884
53a5960a 2885/* ??? Implement proper locking for ioctls. */
0da46a6e 2886/* do_ioctl() Must return target values and target errnos. */
992f48a0 2887static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 2888{
2889 const IOCTLEntry *ie;
2890 const argtype *arg_type;
992f48a0 2891 abi_long ret;
31e31b8a 2892 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 2893 int target_size;
2894 void *argptr;
31e31b8a
FB		 2895
2896 ie = ioctl_entries;
2897 for(;;) {
2898 if (ie->target_cmd == 0) {
32407103 2899 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 2900 return -TARGET_ENOSYS;
31e31b8a
FB		 2901 }
2902 if (ie->target_cmd == cmd)
2903 break;
2904 ie++;
2905 }
2906 arg_type = ie->arg_type;
9de5e440 2907#if defined(DEBUG)
32407103 2908 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 2909#endif
31e31b8a
FB		 2910 switch(arg_type[0]) {
2911 case TYPE_NULL:
2912 /* no argument */
2913 ret = get_errno(ioctl(fd, ie->host_cmd));
2914 break;
2915 case TYPE_PTRVOID:
2916 case TYPE_INT:
2917 /* int argment */
2918 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2919 break;
2920 case TYPE_PTR:
2921 arg_type++;
53a5960a 2922 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 2923 switch(ie->access) {
2924 case IOC_R:
2925 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2926 if (!is_error(ret)) {
579a97f7
FB		 2927 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2928 if (!argptr)
2929 return -TARGET_EFAULT;
53a5960a
PB		 2930 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2931 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2932 }
2933 break;
2934 case IOC_W:
579a97f7
FB		 2935 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2936 if (!argptr)
2937 return -TARGET_EFAULT;
53a5960a
PB		 2938 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2939 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2940 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2941 break;
2942 default:
2943 case IOC_RW:
579a97f7
FB		 2944 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2945 if (!argptr)
2946 return -TARGET_EFAULT;
53a5960a
PB		 2947 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2948 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2949 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2950 if (!is_error(ret)) {
579a97f7
FB		 2951 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2952 if (!argptr)
2953 return -TARGET_EFAULT;
53a5960a
PB		 2954 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2955 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2956 }
2957 break;
2958 }
2959 break;
2960 default:
32407103
JM		 2961 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2962 (long)cmd, arg_type[0]);
0da46a6e 2963 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2964 break;
2965 }
2966 return ret;
2967}
2968
b39bc503 2969static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 2970 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2971 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2972 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2973 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2974 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2975 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2976 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2977 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2978 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2979 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2980 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2981 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2982 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2983 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2984 { 0, 0, 0, 0 }
2985};
2986
b39bc503 2987static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 2988 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2989 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2990 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2991 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2992 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2993 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2994 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2995 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2996 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2997 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2998 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2999 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3000 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3001 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3002 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3003 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3004 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3005 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3006 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3007 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3008 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3009 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3010 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3011 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3012 { 0, 0, 0, 0 }
3013};
3014
b39bc503 3015static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3016 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3017 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3018 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3019 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3020 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3021 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3022 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3023 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3024 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3025 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3026 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3027 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3028 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3029 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3030 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3031 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3032 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3033 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3034 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3035 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3036 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3037 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3038 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3039 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3040 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3041 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3042 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3043 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3044 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3045 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3046 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3047 { 0, 0, 0, 0 }
3048};
3049
b39bc503 3050static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3051 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3052 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3053 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3054 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3055 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3056 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3057 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3058 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3059 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3060 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3061 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3062 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3063 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3064 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3065 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3066 { 0, 0, 0, 0 }
3067};
3068
3069static void target_to_host_termios (void *dst, const void *src)
3070{
3071 struct host_termios *host = dst;
3072 const struct target_termios *target = src;
3b46e624 3073
5fafdf24 3074 host->c_iflag =
31e31b8a 3075 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3076 host->c_oflag =
31e31b8a 3077 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3078 host->c_cflag =
31e31b8a 3079 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3080 host->c_lflag =
31e31b8a
FB		 3081 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3082 host->c_line = target->c_line;
3b46e624 3083
44607123 3084 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3085 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3086 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3087 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3088 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3089 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3090 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3091 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3092 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3093 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3094 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3095 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3096 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3097 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3098 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3099 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3100 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3101 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3102}
3b46e624 3103
31e31b8a
FB		 3104static void host_to_target_termios (void *dst, const void *src)
3105{
3106 struct target_termios *target = dst;
3107 const struct host_termios *host = src;
3108
5fafdf24 3109 target->c_iflag =
31e31b8a 3110 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3111 target->c_oflag =
31e31b8a 3112 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3113 target->c_cflag =
31e31b8a 3114 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3115 target->c_lflag =
31e31b8a
FB		 3116 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3117 target->c_line = host->c_line;
3b46e624 3118
44607123 3119 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3120 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3121 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3122 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3123 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3124 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3125 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3126 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3127 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3128 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3129 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3130 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3131 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3132 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3133 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3134 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3135 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3136 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3137}
3138
8e853dc7 3139static const StructEntry struct_termios_def = {
31e31b8a
FB		 3140 .convert = { host_to_target_termios, target_to_host_termios },
3141 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3142 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3143};
3144
5286db75
FB		 3145static bitmask_transtbl mmap_flags_tbl[] = {
3146 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3147 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3148 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3149 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3150 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3151 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3152 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3153 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3154 { 0, 0, 0, 0 }
3155};
3156
2ab83ea7 3157#if defined(TARGET_I386)
6dbad63e
FB		 3158
3159/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3160static uint8_t *ldt_table;
6dbad63e 3161
03acab66 3162static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3163{
3164 int size;
53a5960a 3165 void *p;
6dbad63e
FB		 3166
3167 if (!ldt_table)
3168 return 0;
3169 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3170 if (size > bytecount)
3171 size = bytecount;
579a97f7
FB		 3172 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3173 if (!p)
03acab66 3174 return -TARGET_EFAULT;
579a97f7 3175 /* ??? Should this by byteswapped? */
53a5960a
PB		 3176 memcpy(p, ldt_table, size);
3177 unlock_user(p, ptr, size);
6dbad63e
FB		 3178 return size;
3179}
3180
3181/* XXX: add locking support */
03acab66
FB		 3182static abi_long write_ldt(CPUX86State *env,
3183 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3184{
3185 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3186 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3187 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3188 int seg_not_present, useable, lm;
6dbad63e
FB		 3189 uint32_t *lp, entry_1, entry_2;
3190
3191 if (bytecount != sizeof(ldt_info))
03acab66 3192 return -TARGET_EINVAL;
579a97f7 3193 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3194 return -TARGET_EFAULT;
53a5960a
PB		 3195 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3196 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3197 ldt_info.limit = tswap32(target_ldt_info->limit);
3198 ldt_info.flags = tswap32(target_ldt_info->flags);
3199 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3200
6dbad63e 3201 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3202 return -TARGET_EINVAL;
6dbad63e
FB		 3203 seg_32bit = ldt_info.flags & 1;
3204 contents = (ldt_info.flags >> 1) & 3;
3205 read_exec_only = (ldt_info.flags >> 3) & 1;
3206 limit_in_pages = (ldt_info.flags >> 4) & 1;
3207 seg_not_present = (ldt_info.flags >> 5) & 1;
3208 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3209#ifdef TARGET_ABI32
3210 lm = 0;
3211#else
3212 lm = (ldt_info.flags >> 7) & 1;
3213#endif
6dbad63e
FB		 3214 if (contents == 3) {
3215 if (oldmode)
03acab66 3216 return -TARGET_EINVAL;
6dbad63e 3217 if (seg_not_present == 0)
03acab66 3218 return -TARGET_EINVAL;
6dbad63e
FB		 3219 }
3220 /* allocate the LDT */
3221 if (!ldt_table) {
e441570f
AZ		 3222 env->ldt.base = target_mmap(0,
3223 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3224 PROT_READ|PROT_WRITE,
3225 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3226 if (env->ldt.base == -1)
03acab66 3227 return -TARGET_ENOMEM;
e441570f
AZ		 3228 memset(g2h(env->ldt.base), 0,
3229 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3230 env->ldt.limit = 0xffff;
e441570f 3231 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3232 }
3233
3234 /* NOTE: same code as Linux kernel */
3235 /* Allow LDTs to be cleared by the user. */
3236 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3237 if (oldmode ||
3238 (contents == 0 &&
3239 read_exec_only == 1 &&
3240 seg_32bit == 0 &&
3241 limit_in_pages == 0 &&
3242 seg_not_present == 1 &&
3243 useable == 0 )) {
3244 entry_1 = 0;
3245 entry_2 = 0;
3246 goto install;
3247 }
3248 }
3b46e624 3249
6dbad63e
FB		 3250 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3251 (ldt_info.limit & 0x0ffff);
3252 entry_2 = (ldt_info.base_addr & 0xff000000) |
3253 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3254 (ldt_info.limit & 0xf0000) |
3255 ((read_exec_only ^ 1) << 9) |
3256 (contents << 10) |
3257 ((seg_not_present ^ 1) << 15) |
3258 (seg_32bit << 22) |
3259 (limit_in_pages << 23) |
8d18e893 3260 (lm << 21) |
6dbad63e
FB		 3261 0x7000;
3262 if (!oldmode)
3263 entry_2 |= (useable << 20);
14ae3ba7 3264
6dbad63e
FB		 3265 /* Install the new entry ... */
3266install:
3267 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3268 lp[0] = tswap32(entry_1);
3269 lp[1] = tswap32(entry_2);
3270 return 0;
3271}
3272
3273/* specific and weird i386 syscalls */
8fcd3692
BS		 3274static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3275 unsigned long bytecount)
6dbad63e 3276{
03acab66 3277 abi_long ret;
3b46e624 3278
6dbad63e
FB		 3279 switch (func) {
3280 case 0:
3281 ret = read_ldt(ptr, bytecount);
3282 break;
3283 case 1:
3284 ret = write_ldt(env, ptr, bytecount, 1);
3285 break;
3286 case 0x11:
3287 ret = write_ldt(env, ptr, bytecount, 0);
3288 break;
03acab66
FB		 3289 default:
3290 ret = -TARGET_ENOSYS;
3291 break;
6dbad63e
FB		 3292 }
3293 return ret;
3294}
1b6b029e 3295
4583f589 3296#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 3297static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3298{
3299 uint64_t *gdt_table = g2h(env->gdt.base);
3300 struct target_modify_ldt_ldt_s ldt_info;
3301 struct target_modify_ldt_ldt_s *target_ldt_info;
3302 int seg_32bit, contents, read_exec_only, limit_in_pages;
3303 int seg_not_present, useable, lm;
3304 uint32_t *lp, entry_1, entry_2;
3305 int i;
3306
3307 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3308 if (!target_ldt_info)
3309 return -TARGET_EFAULT;
3310 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3311 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3312 ldt_info.limit = tswap32(target_ldt_info->limit);
3313 ldt_info.flags = tswap32(target_ldt_info->flags);
3314 if (ldt_info.entry_number == -1) {
3315 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3316 if (gdt_table[i] == 0) {
3317 ldt_info.entry_number = i;
3318 target_ldt_info->entry_number = tswap32(i);
3319 break;
3320 }
3321 }
3322 }
3323 unlock_user_struct(target_ldt_info, ptr, 1);
3324
3325 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3326 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3327 return -TARGET_EINVAL;
3328 seg_32bit = ldt_info.flags & 1;
3329 contents = (ldt_info.flags >> 1) & 3;
3330 read_exec_only = (ldt_info.flags >> 3) & 1;
3331 limit_in_pages = (ldt_info.flags >> 4) & 1;
3332 seg_not_present = (ldt_info.flags >> 5) & 1;
3333 useable = (ldt_info.flags >> 6) & 1;
3334#ifdef TARGET_ABI32
3335 lm = 0;
3336#else
3337 lm = (ldt_info.flags >> 7) & 1;
3338#endif
3339
3340 if (contents == 3) {
3341 if (seg_not_present == 0)
3342 return -TARGET_EINVAL;
3343 }
3344
3345 /* NOTE: same code as Linux kernel */
3346 /* Allow LDTs to be cleared by the user. */
3347 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3348 if ((contents == 0 &&
3349 read_exec_only == 1 &&
3350 seg_32bit == 0 &&
3351 limit_in_pages == 0 &&
3352 seg_not_present == 1 &&
3353 useable == 0 )) {
3354 entry_1 = 0;
3355 entry_2 = 0;
3356 goto install;
3357 }
3358 }
3359
3360 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3361 (ldt_info.limit & 0x0ffff);
3362 entry_2 = (ldt_info.base_addr & 0xff000000) |
3363 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3364 (ldt_info.limit & 0xf0000) |
3365 ((read_exec_only ^ 1) << 9) |
3366 (contents << 10) |
3367 ((seg_not_present ^ 1) << 15) |
3368 (seg_32bit << 22) |
3369 (limit_in_pages << 23) |
3370 (useable << 20) |
3371 (lm << 21) |
3372 0x7000;
3373
3374 /* Install the new entry ... */
3375install:
3376 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3377 lp[0] = tswap32(entry_1);
3378 lp[1] = tswap32(entry_2);
3379 return 0;
3380}
3381
8fcd3692 3382static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3383{
3384 struct target_modify_ldt_ldt_s *target_ldt_info;
3385 uint64_t *gdt_table = g2h(env->gdt.base);
3386 uint32_t base_addr, limit, flags;
3387 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3388 int seg_not_present, useable, lm;
3389 uint32_t *lp, entry_1, entry_2;
3390
3391 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3392 if (!target_ldt_info)
3393 return -TARGET_EFAULT;
3394 idx = tswap32(target_ldt_info->entry_number);
3395 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3396 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3397 unlock_user_struct(target_ldt_info, ptr, 1);
3398 return -TARGET_EINVAL;
3399 }
3400 lp = (uint32_t *)(gdt_table + idx);
3401 entry_1 = tswap32(lp[0]);
3402 entry_2 = tswap32(lp[1]);
3403
3404 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3405 contents = (entry_2 >> 10) & 3;
3406 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3407 seg_32bit = (entry_2 >> 22) & 1;
3408 limit_in_pages = (entry_2 >> 23) & 1;
3409 useable = (entry_2 >> 20) & 1;
3410#ifdef TARGET_ABI32
3411 lm = 0;
3412#else
3413 lm = (entry_2 >> 21) & 1;
3414#endif
3415 flags = (seg_32bit << 0) | (contents << 1) |
3416 (read_exec_only << 3) | (limit_in_pages << 4) |
3417 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3418 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3419 base_addr = (entry_1 >> 16) |
3420 (entry_2 & 0xff000000) |
3421 ((entry_2 & 0xff) << 16);
3422 target_ldt_info->base_addr = tswapl(base_addr);
3423 target_ldt_info->limit = tswap32(limit);
3424 target_ldt_info->flags = tswap32(flags);
3425 unlock_user_struct(target_ldt_info, ptr, 1);
3426 return 0;
3427}
4583f589 3428#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 3429
d2fd1af7 3430#ifndef TARGET_ABI32
8fcd3692 3431static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7
FB		 3432{
3433 abi_long ret;
3434 abi_ulong val;
3435 int idx;
3436
3437 switch(code) {
3438 case TARGET_ARCH_SET_GS:
3439 case TARGET_ARCH_SET_FS:
3440 if (code == TARGET_ARCH_SET_GS)
3441 idx = R_GS;
3442 else
3443 idx = R_FS;
3444 cpu_x86_load_seg(env, idx, 0);
3445 env->segs[idx].base = addr;
3446 break;
3447 case TARGET_ARCH_GET_GS:
3448 case TARGET_ARCH_GET_FS:
3449 if (code == TARGET_ARCH_GET_GS)
3450 idx = R_GS;
3451 else
3452 idx = R_FS;
3453 val = env->segs[idx].base;
3454 if (put_user(val, addr, abi_ulong))
3455 return -TARGET_EFAULT;
3456 break;
3457 default:
3458 ret = -TARGET_EINVAL;
3459 break;
3460 }
3461 return 0;
3462}
3463#endif
3464
2ab83ea7
FB		 3465#endif /* defined(TARGET_I386) */
3466
2f7bb878 3467#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3468
3469#define NEW_STACK_SIZE PTHREAD_STACK_MIN
3470
3471static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3472typedef struct {
3473 CPUState *env;
3474 pthread_mutex_t mutex;
3475 pthread_cond_t cond;
3476 pthread_t thread;
3477 uint32_t tid;
3478 abi_ulong child_tidptr;
3479 abi_ulong parent_tidptr;
3480 sigset_t sigmask;
3481} new_thread_info;
3482
3483static void *clone_func(void *arg)
3484{
3485 new_thread_info *info = arg;
3486 CPUState *env;
edf8e2af 3487 TaskState *ts;
d865bab5
PB		 3488
3489 env = info->env;
3490 thread_env = env;
edf8e2af 3491 ts = (TaskState *)thread_env->opaque;
d865bab5 3492 info->tid = gettid();
1e9fa730 3493 env->host_tid = info->tid;
edf8e2af 3494 task_settid(ts);
d865bab5
PB		 3495 if (info->child_tidptr)
3496 put_user_u32(info->tid, info->child_tidptr);
3497 if (info->parent_tidptr)
3498 put_user_u32(info->tid, info->parent_tidptr);
3499 /* Enable signals. */
3500 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3501 /* Signal to the parent that we're ready. */
3502 pthread_mutex_lock(&info->mutex);
3503 pthread_cond_broadcast(&info->cond);
3504 pthread_mutex_unlock(&info->mutex);
3505 /* Wait until the parent has finshed initializing the tls state. */
3506 pthread_mutex_lock(&clone_lock);
3507 pthread_mutex_unlock(&clone_lock);
3508 cpu_loop(env);
3509 /* never exits */
3510 return NULL;
3511}
3512#else
1b6b029e
FB		 3513/* this stack is the equivalent of the kernel stack associated with a
3514 thread/process */
3515#define NEW_STACK_SIZE 8192
3516
3517static int clone_func(void *arg)
3518{
2ab83ea7 3519 CPUState *env = arg;
1b6b029e
FB		 3520 cpu_loop(env);
3521 /* never exits */
3522 return 0;
3523}
d865bab5 3524#endif
1b6b029e 3525
0da46a6e
TS		 3526/* do_fork() Must return host values and target errnos (unlike most
3527 do_*() functions). */
d865bab5
PB		 3528static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3529 abi_ulong parent_tidptr, target_ulong newtls,
3530 abi_ulong child_tidptr)
1b6b029e
FB		 3531{
3532 int ret;
5cd4393b 3533 TaskState *ts;
1b6b029e 3534 uint8_t *new_stack;
2ab83ea7 3535 CPUState *new_env;
2f7bb878 3536#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3537 unsigned int nptl_flags;
3538 sigset_t sigmask;
3539#endif
3b46e624 3540
436d124b
AZ		 3541 /* Emulate vfork() with fork() */
3542 if (flags & CLONE_VFORK)
3543 flags &= ~(CLONE_VFORK | CLONE_VM);
3544
1b6b029e 3545 if (flags & CLONE_VM) {
edf8e2af 3546 TaskState *parent_ts = (TaskState *)env->opaque;
2f7bb878 3547#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3548 new_thread_info info;
3549 pthread_attr_t attr;
bd0c5661 3550#endif
c3a92833 3551 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
624f7979 3552 init_task_state(ts);
5cd4393b 3553 new_stack = ts->stack;
1b6b029e 3554 /* we create a new CPU instance. */
c5be9f08 3555 new_env = cpu_copy(env);
b4558d74
BS		 3556#if defined(TARGET_I386) || defined(TARGET_SPARC) || defined(TARGET_PPC)
3557 cpu_reset(new_env);
3558#endif
6e68e076
PB		 3559 /* Init regs that differ from the parent. */
3560 cpu_clone_regs(new_env, newsp);
5cd4393b 3561 new_env->opaque = ts;
edf8e2af
MW		 3562 ts->bprm = parent_ts->bprm;
3563 ts->info = parent_ts->info;
2f7bb878 3564#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3565 nptl_flags = flags;
3566 flags &= ~CLONE_NPTL_FLAGS2;
3567
c2764719
PB		 3568 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3569 ts->child_tidptr = child_tidptr;
3570 }
3571
d865bab5
PB		 3572 if (nptl_flags & CLONE_SETTLS)
3573 cpu_set_tls (new_env, newtls);
3574
3575 /* Grab a mutex so that thread setup appears atomic. */
3576 pthread_mutex_lock(&clone_lock);
3577
3578 memset(&info, 0, sizeof(info));
3579 pthread_mutex_init(&info.mutex, NULL);
3580 pthread_mutex_lock(&info.mutex);
3581 pthread_cond_init(&info.cond, NULL);
3582 info.env = new_env;
3583 if (nptl_flags & CLONE_CHILD_SETTID)
3584 info.child_tidptr = child_tidptr;
3585 if (nptl_flags & CLONE_PARENT_SETTID)
3586 info.parent_tidptr = parent_tidptr;
3587
3588 ret = pthread_attr_init(&attr);
3589 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
3590 /* It is not safe to deliver signals until the child has finished
3591 initializing, so temporarily block all signals. */
3592 sigfillset(&sigmask);
3593 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3594
3595 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 3596 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 3597
3598 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3599 pthread_attr_destroy(&attr);
3600 if (ret == 0) {
3601 /* Wait for the child to initialize. */
3602 pthread_cond_wait(&info.cond, &info.mutex);
3603 ret = info.tid;
3604 if (flags & CLONE_PARENT_SETTID)
3605 put_user_u32(ret, parent_tidptr);
3606 } else {
3607 ret = -1;
3608 }
3609 pthread_mutex_unlock(&info.mutex);
3610 pthread_cond_destroy(&info.cond);
3611 pthread_mutex_destroy(&info.mutex);
3612 pthread_mutex_unlock(&clone_lock);
3613#else
3614 if (flags & CLONE_NPTL_FLAGS2)
3615 return -EINVAL;
3616 /* This is probably going to die very quickly, but do it anyway. */
27725c1d 3617#ifdef __ia64__
fd4a43e4 3618 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 3619#else
3620 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 3621#endif
27725c1d 3622#endif
1b6b029e
FB		 3623 } else {
3624 /* if no CLONE_VM, we consider it is a fork */
d865bab5 3625 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 3626 return -EINVAL;
d865bab5 3627 fork_start();
1b6b029e 3628 ret = fork();
d865bab5 3629 if (ret == 0) {
2b1319c8 3630 /* Child Process. */
d865bab5
PB		 3631 cpu_clone_regs(env, newsp);
3632 fork_end(1);
2f7bb878 3633#if defined(CONFIG_USE_NPTL)
2b1319c8
AJ		 3634 /* There is a race condition here. The parent process could
3635 theoretically read the TID in the child process before the child
3636 tid is set. This would require using either ptrace
3637 (not implemented) or having *_tidptr to point at a shared memory
3638 mapping. We can't repeat the spinlock hack used above because
3639 the child process gets its own copy of the lock. */
d865bab5
PB		 3640 if (flags & CLONE_CHILD_SETTID)
3641 put_user_u32(gettid(), child_tidptr);
3642 if (flags & CLONE_PARENT_SETTID)
3643 put_user_u32(gettid(), parent_tidptr);
3644 ts = (TaskState *)env->opaque;
3645 if (flags & CLONE_SETTLS)
3646 cpu_set_tls (env, newtls);
c2764719
PB		 3647 if (flags & CLONE_CHILD_CLEARTID)
3648 ts->child_tidptr = child_tidptr;
2b1319c8 3649#endif
d865bab5
PB		 3650 } else {
3651 fork_end(0);
3652 }
1b6b029e
FB		 3653 }
3654 return ret;
3655}
3656
5f106811
APR		 3657/* warning : doesn't handle linux specific flags... */
3658static int target_to_host_fcntl_cmd(int cmd)
3659{
3660 switch(cmd) {
3661 case TARGET_F_DUPFD:
3662 case TARGET_F_GETFD:
3663 case TARGET_F_SETFD:
3664 case TARGET_F_GETFL:
3665 case TARGET_F_SETFL:
3666 return cmd;
3667 case TARGET_F_GETLK:
3668 return F_GETLK;
3669 case TARGET_F_SETLK:
3670 return F_SETLK;
3671 case TARGET_F_SETLKW:
3672 return F_SETLKW;
3673 case TARGET_F_GETOWN:
3674 return F_GETOWN;
3675 case TARGET_F_SETOWN:
3676 return F_SETOWN;
3677 case TARGET_F_GETSIG:
3678 return F_GETSIG;
3679 case TARGET_F_SETSIG:
3680 return F_SETSIG;
3681#if TARGET_ABI_BITS == 32
3682 case TARGET_F_GETLK64:
3683 return F_GETLK64;
3684 case TARGET_F_SETLK64:
3685 return F_SETLK64;
3686 case TARGET_F_SETLKW64:
3687 return F_SETLKW64;
3688#endif
7e22e546
UH		 3689 case TARGET_F_SETLEASE:
3690 return F_SETLEASE;
3691 case TARGET_F_GETLEASE:
3692 return F_GETLEASE;
fbd5de9b 3693#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 3694 case TARGET_F_DUPFD_CLOEXEC:
3695 return F_DUPFD_CLOEXEC;
fbd5de9b 3696#endif
7e22e546
UH		 3697 case TARGET_F_NOTIFY:
3698 return F_NOTIFY;
5f106811
APR		 3699 default:
3700 return -TARGET_EINVAL;
3701 }
3702 return -TARGET_EINVAL;
3703}
3704
992f48a0 3705static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 3706{
3707 struct flock fl;
53a5960a 3708 struct target_flock *target_fl;
43f238d7
TS		 3709 struct flock64 fl64;
3710 struct target_flock64 *target_fl64;
992f48a0 3711 abi_long ret;
5f106811
APR		 3712 int host_cmd = target_to_host_fcntl_cmd(cmd);
3713
3714 if (host_cmd == -TARGET_EINVAL)
3715 return host_cmd;
53a5960a 3716
7775e9ec
FB		 3717 switch(cmd) {
3718 case TARGET_F_GETLK:
579a97f7
FB		 3719 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3720 return -TARGET_EFAULT;
5813427b
TS		 3721 fl.l_type = tswap16(target_fl->l_type);
3722 fl.l_whence = tswap16(target_fl->l_whence);
3723 fl.l_start = tswapl(target_fl->l_start);
3724 fl.l_len = tswapl(target_fl->l_len);
7e22e546 3725 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 3726 unlock_user_struct(target_fl, arg, 0);
5f106811 3727 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3728 if (ret == 0) {
579a97f7
FB		 3729 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3730 return -TARGET_EFAULT;
7775e9ec
FB		 3731 target_fl->l_type = tswap16(fl.l_type);
3732 target_fl->l_whence = tswap16(fl.l_whence);
3733 target_fl->l_start = tswapl(fl.l_start);
3734 target_fl->l_len = tswapl(fl.l_len);
7e22e546 3735 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 3736 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 3737 }
3738 break;
3b46e624 3739
7775e9ec
FB		 3740 case TARGET_F_SETLK:
3741 case TARGET_F_SETLKW:
579a97f7
FB		 3742 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3743 return -TARGET_EFAULT;
7775e9ec
FB		 3744 fl.l_type = tswap16(target_fl->l_type);
3745 fl.l_whence = tswap16(target_fl->l_whence);
3746 fl.l_start = tswapl(target_fl->l_start);
3747 fl.l_len = tswapl(target_fl->l_len);
7e22e546 3748 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 3749 unlock_user_struct(target_fl, arg, 0);
5f106811 3750 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3751 break;
3b46e624 3752
7775e9ec 3753 case TARGET_F_GETLK64:
579a97f7
FB		 3754 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3755 return -TARGET_EFAULT;
5813427b
TS		 3756 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3757 fl64.l_whence = tswap16(target_fl64->l_whence);
3758 fl64.l_start = tswapl(target_fl64->l_start);
3759 fl64.l_len = tswapl(target_fl64->l_len);
7e22e546 3760 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 3761 unlock_user_struct(target_fl64, arg, 0);
5f106811 3762 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 3763 if (ret == 0) {
579a97f7
FB		 3764 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3765 return -TARGET_EFAULT;
43f238d7
TS		 3766 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3767 target_fl64->l_whence = tswap16(fl64.l_whence);
3768 target_fl64->l_start = tswapl(fl64.l_start);
3769 target_fl64->l_len = tswapl(fl64.l_len);
7e22e546 3770 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 3771 unlock_user_struct(target_fl64, arg, 1);
3772 }
9ee1fa2c 3773 break;
7775e9ec
FB		 3774 case TARGET_F_SETLK64:
3775 case TARGET_F_SETLKW64:
579a97f7
FB		 3776 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3777 return -TARGET_EFAULT;
43f238d7
TS		 3778 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3779 fl64.l_whence = tswap16(target_fl64->l_whence);
3780 fl64.l_start = tswapl(target_fl64->l_start);
3781 fl64.l_len = tswapl(target_fl64->l_len);
7e22e546 3782 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 3783 unlock_user_struct(target_fl64, arg, 0);
5f106811 3784 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 3785 break;
3786
5f106811
APR		 3787 case TARGET_F_GETFL:
3788 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 3789 if (ret >= 0) {
3790 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3791 }
ffa65c3b
FB		 3792 break;
3793
5f106811
APR		 3794 case TARGET_F_SETFL:
3795 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
3796 break;
3797
3798 case TARGET_F_SETOWN:
3799 case TARGET_F_GETOWN:
3800 case TARGET_F_SETSIG:
3801 case TARGET_F_GETSIG:
7e22e546
UH		 3802 case TARGET_F_SETLEASE:
3803 case TARGET_F_GETLEASE:
5f106811 3804 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 3805 break;
3806
7775e9ec 3807 default:
9ee1fa2c 3808 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 3809 break;
3810 }
3811 return ret;
3812}
3813
67867308 3814#ifdef USE_UID16
7775e9ec 3815
67867308
FB		 3816static inline int high2lowuid(int uid)
3817{
3818 if (uid > 65535)
3819 return 65534;
3820 else
3821 return uid;
3822}
3823
3824static inline int high2lowgid(int gid)
3825{
3826 if (gid > 65535)
3827 return 65534;
3828 else
3829 return gid;
3830}
3831
3832static inline int low2highuid(int uid)
3833{
3834 if ((int16_t)uid == -1)
3835 return -1;
3836 else
3837 return uid;
3838}
3839
3840static inline int low2highgid(int gid)
3841{
3842 if ((int16_t)gid == -1)
3843 return -1;
3844 else
3845 return gid;
3846}
3847
3848#endif /* USE_UID16 */
1b6b029e 3849
31e31b8a
FB		 3850void syscall_init(void)
3851{
2ab83ea7
FB		 3852 IOCTLEntry *ie;
3853 const argtype *arg_type;
3854 int size;
b92c47c1 3855 int i;
2ab83ea7 3856
001faf32 3857#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 3858#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 3859#include "syscall_types.h"
3860#undef STRUCT
3861#undef STRUCT_SPECIAL
2ab83ea7
FB		 3862
3863 /* we patch the ioctl size if necessary. We rely on the fact that
3864 no ioctl has all the bits at '1' in the size field */
3865 ie = ioctl_entries;
3866 while (ie->target_cmd != 0) {
3867 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3868 TARGET_IOC_SIZEMASK) {
3869 arg_type = ie->arg_type;
3870 if (arg_type[0] != TYPE_PTR) {
5fafdf24 3871 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 3872 ie->target_cmd);
3873 exit(1);
3874 }
3875 arg_type++;
3876 size = thunk_type_size(arg_type, 0);
5fafdf24 3877 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 3878 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3879 (size << TARGET_IOC_SIZESHIFT);
3880 }
b92c47c1
TS		 3881
3882 /* Build target_to_host_errno_table[] table from
3883 * host_to_target_errno_table[]. */
3884 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3885 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3886
2ab83ea7 3887 /* automatic consistency check if same arch */
872ea0c0
AZ		 3888#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3889 (defined(__x86_64__) && defined(TARGET_X86_64))
3890 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3891 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3892 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 3893 }
3894#endif
3895 ie++;
3896 }
31e31b8a 3897}
c573ff67 3898
992f48a0 3899#if TARGET_ABI_BITS == 32
ce4defa0
PB		 3900static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3901{
af325d36 3902#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 3903 return ((uint64_t)word0 << 32) | word1;
3904#else
3905 return ((uint64_t)word1 << 32) | word0;
3906#endif
3907}
992f48a0 3908#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 3909static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3910{
3911 return word0;
3912}
992f48a0 3913#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 3914
3915#ifdef TARGET_NR_truncate64
992f48a0
BS		 3916static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3917 abi_long arg2,
3918 abi_long arg3,
3919 abi_long arg4)
ce4defa0
PB		 3920{
3921#ifdef TARGET_ARM
3922 if (((CPUARMState *)cpu_env)->eabi)
3923 {
3924 arg2 = arg3;
3925 arg3 = arg4;
3926 }
3927#endif
3928 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3929}
3930#endif
3931
3932#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 3933static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3934 abi_long arg2,
3935 abi_long arg3,
3936 abi_long arg4)
ce4defa0
PB		 3937{
3938#ifdef TARGET_ARM
3939 if (((CPUARMState *)cpu_env)->eabi)
3940 {
3941 arg2 = arg3;
3942 arg3 = arg4;
3943 }
3944#endif
3945 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3946}
3947#endif
3948
579a97f7
FB		 3949static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3950 abi_ulong target_addr)
53a5960a
PB		 3951{
3952 struct target_timespec *target_ts;
3953
579a97f7
FB		 3954 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3955 return -TARGET_EFAULT;
53a5960a
PB		 3956 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3957 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3958 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 3959 return 0;
53a5960a
PB		 3960}
3961
579a97f7
FB		 3962static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3963 struct timespec *host_ts)
53a5960a
PB		 3964{
3965 struct target_timespec *target_ts;
3966
579a97f7
FB		 3967 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3968 return -TARGET_EFAULT;
53a5960a
PB		 3969 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3970 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3971 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 3972 return 0;
53a5960a
PB		 3973}
3974
9d33b76b 3975#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 3976static inline abi_long host_to_target_stat64(void *cpu_env,
3977 abi_ulong target_addr,
3978 struct stat *host_st)
3979{
3980#ifdef TARGET_ARM
3981 if (((CPUARMState *)cpu_env)->eabi) {
3982 struct target_eabi_stat64 *target_st;
3983
3984 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3985 return -TARGET_EFAULT;
3986 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3987 __put_user(host_st->st_dev, &target_st->st_dev);
3988 __put_user(host_st->st_ino, &target_st->st_ino);
3989#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3990 __put_user(host_st->st_ino, &target_st->__st_ino);
3991#endif
3992 __put_user(host_st->st_mode, &target_st->st_mode);
3993 __put_user(host_st->st_nlink, &target_st->st_nlink);
3994 __put_user(host_st->st_uid, &target_st->st_uid);
3995 __put_user(host_st->st_gid, &target_st->st_gid);
3996 __put_user(host_st->st_rdev, &target_st->st_rdev);
3997 __put_user(host_st->st_size, &target_st->st_size);
3998 __put_user(host_st->st_blksize, &target_st->st_blksize);
3999 __put_user(host_st->st_blocks, &target_st->st_blocks);
4000 __put_user(host_st->st_atime, &target_st->target_st_atime);
4001 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4002 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4003 unlock_user_struct(target_st, target_addr, 1);
4004 } else
4005#endif
4006 {
9d33b76b
AJ		 4007#if TARGET_LONG_BITS == 64
4008 struct target_stat *target_st;
4009#else
6a24a778 4010 struct target_stat64 *target_st;
9d33b76b 4011#endif
6a24a778
AZ		 4012
4013 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4014 return -TARGET_EFAULT;
9d33b76b 4015 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4016 __put_user(host_st->st_dev, &target_st->st_dev);
4017 __put_user(host_st->st_ino, &target_st->st_ino);
4018#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4019 __put_user(host_st->st_ino, &target_st->__st_ino);
4020#endif
4021 __put_user(host_st->st_mode, &target_st->st_mode);
4022 __put_user(host_st->st_nlink, &target_st->st_nlink);
4023 __put_user(host_st->st_uid, &target_st->st_uid);
4024 __put_user(host_st->st_gid, &target_st->st_gid);
4025 __put_user(host_st->st_rdev, &target_st->st_rdev);
4026 /* XXX: better use of kernel struct */
4027 __put_user(host_st->st_size, &target_st->st_size);
4028 __put_user(host_st->st_blksize, &target_st->st_blksize);
4029 __put_user(host_st->st_blocks, &target_st->st_blocks);
4030 __put_user(host_st->st_atime, &target_st->target_st_atime);
4031 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4032 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4033 unlock_user_struct(target_st, target_addr, 1);
4034 }
4035
4036 return 0;
4037}
4038#endif
4039
2f7bb878 4040#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 4041/* ??? Using host futex calls even when target atomic operations
4042 are not really atomic probably breaks things. However implementing
4043 futexes locally would make futexes shared between multiple processes
4044 tricky. However they're probably useless because guest atomic
4045 operations won't work either. */
8fcd3692
BS		 4046static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4047 target_ulong uaddr2, int val3)
bd0c5661
PB		 4048{
4049 struct timespec ts, *pts;
a16aae0c 4050 int base_op;
bd0c5661
PB		 4051
4052 /* ??? We assume FUTEX_* constants are the same on both host
4053 and target. */
a29ccd63 4054#ifdef FUTEX_CMD_MASK
a16aae0c 4055 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4056#else
a16aae0c 4057 base_op = op;
a29ccd63 4058#endif
a16aae0c 4059 switch (base_op) {
bd0c5661
PB		 4060 case FUTEX_WAIT:
4061 if (timeout) {
4062 pts = &ts;
4063 target_to_host_timespec(pts, timeout);
4064 } else {
4065 pts = NULL;
4066 }
a29ccd63 4067 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
bd0c5661
PB		 4068 pts, NULL, 0));
4069 case FUTEX_WAKE:
a29ccd63 4070 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4071 case FUTEX_FD:
a29ccd63 4072 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4073 case FUTEX_REQUEUE:
bd0c5661 4074 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4075 case FUTEX_WAKE_OP:
4076 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4077 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4078 But the prototype takes a `struct timespec *'; insert casts
4079 to satisfy the compiler. We do not need to tswap TIMEOUT
4080 since it's not compared to guest memory. */
4081 pts = (struct timespec *)(uintptr_t) timeout;
4082 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4083 g2h(uaddr2),
4084 (base_op == FUTEX_CMP_REQUEUE
4085 ? tswap32(val3)
4086 : val3)));
bd0c5661
PB		 4087 default:
4088 return -TARGET_ENOSYS;
4089 }
4090}
4091#endif
4092
1d9d8b55
PB		 4093/* Map host to target signal numbers for the wait family of syscalls.
4094 Assume all other status bits are the same. */
4095static int host_to_target_waitstatus(int status)
4096{
4097 if (WIFSIGNALED(status)) {
4098 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4099 }
4100 if (WIFSTOPPED(status)) {
4101 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4102 | (status & 0xff);
4103 }
4104 return status;
4105}
4106
a745ec6d
PB		 4107int get_osversion(void)
4108{
4109 static int osversion;
4110 struct new_utsname buf;
4111 const char *s;
4112 int i, n, tmp;
4113 if (osversion)
4114 return osversion;
4115 if (qemu_uname_release && *qemu_uname_release) {
4116 s = qemu_uname_release;
4117 } else {
4118 if (sys_uname(&buf))
4119 return 0;
4120 s = buf.release;
4121 }
4122 tmp = 0;
4123 for (i = 0; i < 3; i++) {
4124 n = 0;
4125 while (*s >= '0' && *s <= '9') {
4126 n *= 10;
4127 n += *s - '0';
4128 s++;
4129 }
4130 tmp = (tmp << 8) + n;
4131 if (*s == '.')
4132 s++;
4133 }
4134 osversion = tmp;
4135 return osversion;
4136}
4137
0da46a6e
TS		 4138/* do_syscall() should always have a single exit point at the end so
4139 that actions, such as logging of syscall results, can be performed.
4140 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 4141abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4142 abi_long arg2, abi_long arg3, abi_long arg4,
4143 abi_long arg5, abi_long arg6)
31e31b8a 4144{
992f48a0 4145 abi_long ret;
31e31b8a 4146 struct stat st;
56c8f68f 4147 struct statfs stfs;
53a5960a 4148 void *p;
3b46e624 4149
72f03900 4150#ifdef DEBUG
c573ff67 4151 gemu_log("syscall %d", num);
72f03900 4152#endif
b92c47c1
TS		 4153 if(do_strace)
4154 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4155
31e31b8a
FB		 4156 switch(num) {
4157 case TARGET_NR_exit:
2f7bb878 4158#ifdef CONFIG_USE_NPTL
c2764719
PB		 4159 /* In old applications this may be used to implement _exit(2).
4160 However in threaded applictions it is used for thread termination,
4161 and _exit_group is used for application termination.
4162 Do thread termination if we have more then one thread. */
4163 /* FIXME: This probably breaks if a signal arrives. We should probably
4164 be disabling signals. */
4165 if (first_cpu->next_cpu) {
1e9fa730 4166 TaskState *ts;
c2764719
PB		 4167 CPUState **lastp;
4168 CPUState *p;
4169
4170 cpu_list_lock();
4171 lastp = &first_cpu;
4172 p = first_cpu;
4173 while (p && p != (CPUState *)cpu_env) {
4174 lastp = &p->next_cpu;
4175 p = p->next_cpu;
4176 }
4177 /* If we didn't find the CPU for this thread then something is
4178 horribly wrong. */
4179 if (!p)
4180 abort();
4181 /* Remove the CPU from the list. */
4182 *lastp = p->next_cpu;
4183 cpu_list_unlock();
1e9fa730 4184 ts = ((CPUState *)cpu_env)->opaque;
c2764719
PB		 4185 if (ts->child_tidptr) {
4186 put_user_u32(0, ts->child_tidptr);
4187 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4188 NULL, NULL, 0);
4189 }
4190 /* TODO: Free CPU state. */
4191 pthread_exit(NULL);
4192 }
4193#endif
9788c9ca 4194#ifdef TARGET_GPROF
7d13299d
FB		 4195 _mcleanup();
4196#endif
e9009676 4197 gdb_exit(cpu_env, arg1);
c2764719 4198 _exit(arg1);
31e31b8a
FB		 4199 ret = 0; /* avoid warning */
4200 break;
4201 case TARGET_NR_read:
38d840e6
AJ		 4202 if (arg3 == 0)
4203 ret = 0;
4204 else {
4205 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4206 goto efault;
4207 ret = get_errno(read(arg1, p, arg3));
4208 unlock_user(p, arg2, ret);
4209 }
31e31b8a
FB		 4210 break;
4211 case TARGET_NR_write:
579a97f7
FB		 4212 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4213 goto efault;
53a5960a
PB		 4214 ret = get_errno(write(arg1, p, arg3));
4215 unlock_user(p, arg2, 0);
31e31b8a
FB		 4216 break;
4217 case TARGET_NR_open:
2f619698
FB		 4218 if (!(p = lock_user_string(arg1)))
4219 goto efault;
53a5960a 4220 ret = get_errno(open(path(p),
ffa65c3b
FB		 4221 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4222 arg3));
53a5960a 4223 unlock_user(p, arg1, 0);
31e31b8a 4224 break;
82424832
TS		 4225#if defined(TARGET_NR_openat) && defined(__NR_openat)
4226 case TARGET_NR_openat:
579a97f7
FB		 4227 if (!(p = lock_user_string(arg2)))
4228 goto efault;
4229 ret = get_errno(sys_openat(arg1,
4230 path(p),
4231 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4232 arg4));
4233 unlock_user(p, arg2, 0);
82424832
TS		 4234 break;
4235#endif
31e31b8a
FB		 4236 case TARGET_NR_close:
4237 ret = get_errno(close(arg1));
4238 break;
4239 case TARGET_NR_brk:
53a5960a 4240 ret = do_brk(arg1);
31e31b8a
FB		 4241 break;
4242 case TARGET_NR_fork:
d865bab5 4243 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 4244 break;
e5febef5 4245#ifdef TARGET_NR_waitpid
31e31b8a
FB		 4246 case TARGET_NR_waitpid:
4247 {
53a5960a
PB		 4248 int status;
4249 ret = get_errno(waitpid(arg1, &status, arg3));
2f619698 4250 if (!is_error(ret) && arg2
1d9d8b55 4251 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 4252 goto efault;
31e31b8a
FB		 4253 }
4254 break;
e5febef5 4255#endif
f0cbb613
PB		 4256#ifdef TARGET_NR_waitid
4257 case TARGET_NR_waitid:
4258 {
4259 siginfo_t info;
4260 info.si_pid = 0;
4261 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4262 if (!is_error(ret) && arg3 && info.si_pid != 0) {
c227f099 4263 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
f0cbb613
PB		 4264 goto efault;
4265 host_to_target_siginfo(p, &info);
c227f099 4266 unlock_user(p, arg3, sizeof(target_siginfo_t));
f0cbb613
PB		 4267 }
4268 }
4269 break;
4270#endif
7a3148a9 4271#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 4272 case TARGET_NR_creat:
579a97f7
FB		 4273 if (!(p = lock_user_string(arg1)))
4274 goto efault;
53a5960a
PB		 4275 ret = get_errno(creat(p, arg2));
4276 unlock_user(p, arg1, 0);
31e31b8a 4277 break;
7a3148a9 4278#endif
31e31b8a 4279 case TARGET_NR_link:
53a5960a
PB		 4280 {
4281 void * p2;
4282 p = lock_user_string(arg1);
4283 p2 = lock_user_string(arg2);
579a97f7
FB		 4284 if (!p || !p2)
4285 ret = -TARGET_EFAULT;
4286 else
4287 ret = get_errno(link(p, p2));
53a5960a
PB		 4288 unlock_user(p2, arg2, 0);
4289 unlock_user(p, arg1, 0);
4290 }
31e31b8a 4291 break;
64f0ce4c
TS		 4292#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4293 case TARGET_NR_linkat:
64f0ce4c
TS		 4294 {
4295 void * p2 = NULL;
579a97f7
FB		 4296 if (!arg2 || !arg4)
4297 goto efault;
64f0ce4c
TS		 4298 p = lock_user_string(arg2);
4299 p2 = lock_user_string(arg4);
579a97f7 4300 if (!p || !p2)
0da46a6e 4301 ret = -TARGET_EFAULT;
64f0ce4c
TS		 4302 else
4303 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 4304 unlock_user(p, arg2, 0);
4305 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 4306 }
4307 break;
4308#endif
31e31b8a 4309 case TARGET_NR_unlink:
579a97f7
FB		 4310 if (!(p = lock_user_string(arg1)))
4311 goto efault;
53a5960a
PB		 4312 ret = get_errno(unlink(p));
4313 unlock_user(p, arg1, 0);
31e31b8a 4314 break;
8170f56b
TS		 4315#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4316 case TARGET_NR_unlinkat:
579a97f7
FB		 4317 if (!(p = lock_user_string(arg2)))
4318 goto efault;
4319 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4320 unlock_user(p, arg2, 0);
ed494d87 4321 break;
b7d35e65 4322#endif
31e31b8a 4323 case TARGET_NR_execve:
7854b056
FB		 4324 {
4325 char **argp, **envp;
f7341ff4 4326 int argc, envc;
992f48a0
BS		 4327 abi_ulong gp;
4328 abi_ulong guest_argp;
4329 abi_ulong guest_envp;
4330 abi_ulong addr;
7854b056
FB		 4331 char **q;
4332
f7341ff4 4333 argc = 0;
53a5960a 4334 guest_argp = arg2;
da94d263 4335 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4336 if (get_user_ual(addr, gp))
2f619698 4337 goto efault;
03aa1976 4338 if (!addr)
2f619698 4339 break;
7854b056 4340 argc++;
2f619698 4341 }
f7341ff4 4342 envc = 0;
53a5960a 4343 guest_envp = arg3;
da94d263 4344 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4345 if (get_user_ual(addr, gp))
2f619698 4346 goto efault;
03aa1976 4347 if (!addr)
2f619698 4348 break;
7854b056 4349 envc++;
2f619698 4350 }
7854b056 4351
f7341ff4
FB		 4352 argp = alloca((argc + 1) * sizeof(void *));
4353 envp = alloca((envc + 1) * sizeof(void *));
7854b056 4354
da94d263 4355 for (gp = guest_argp, q = argp; gp;
992f48a0 4356 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4357 if (get_user_ual(addr, gp))
4358 goto execve_efault;
53a5960a
PB		 4359 if (!addr)
4360 break;
2f619698
FB		 4361 if (!(*q = lock_user_string(addr)))
4362 goto execve_efault;
53a5960a 4363 }
f7341ff4
FB		 4364 *q = NULL;
4365
da94d263 4366 for (gp = guest_envp, q = envp; gp;
992f48a0 4367 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4368 if (get_user_ual(addr, gp))
4369 goto execve_efault;
53a5960a
PB		 4370 if (!addr)
4371 break;
2f619698
FB		 4372 if (!(*q = lock_user_string(addr)))
4373 goto execve_efault;
53a5960a 4374 }
f7341ff4 4375 *q = NULL;
7854b056 4376
2f619698
FB		 4377 if (!(p = lock_user_string(arg1)))
4378 goto execve_efault;
53a5960a
PB		 4379 ret = get_errno(execve(p, argp, envp));
4380 unlock_user(p, arg1, 0);
4381
2f619698
FB		 4382 goto execve_end;
4383
4384 execve_efault:
4385 ret = -TARGET_EFAULT;
4386
4387 execve_end:
53a5960a 4388 for (gp = guest_argp, q = argp; *q;
992f48a0 4389 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4390 if (get_user_ual(addr, gp)
4391 || !addr)
4392 break;
53a5960a
PB		 4393 unlock_user(*q, addr, 0);
4394 }
4395 for (gp = guest_envp, q = envp; *q;
992f48a0 4396 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4397 if (get_user_ual(addr, gp)
4398 || !addr)
4399 break;
53a5960a
PB		 4400 unlock_user(*q, addr, 0);
4401 }
7854b056 4402 }
31e31b8a
FB		 4403 break;
4404 case TARGET_NR_chdir:
579a97f7
FB		 4405 if (!(p = lock_user_string(arg1)))
4406 goto efault;
53a5960a
PB		 4407 ret = get_errno(chdir(p));
4408 unlock_user(p, arg1, 0);
31e31b8a 4409 break;
a315a145 4410#ifdef TARGET_NR_time
31e31b8a
FB		 4411 case TARGET_NR_time:
4412 {
53a5960a
PB		 4413 time_t host_time;
4414 ret = get_errno(time(&host_time));
2f619698
FB		 4415 if (!is_error(ret)
4416 && arg1
4417 && put_user_sal(host_time, arg1))
4418 goto efault;
31e31b8a
FB		 4419 }
4420 break;
a315a145 4421#endif
31e31b8a 4422 case TARGET_NR_mknod:
579a97f7
FB		 4423 if (!(p = lock_user_string(arg1)))
4424 goto efault;
53a5960a
PB		 4425 ret = get_errno(mknod(p, arg2, arg3));
4426 unlock_user(p, arg1, 0);
31e31b8a 4427 break;
75ac37a0
TS		 4428#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4429 case TARGET_NR_mknodat:
579a97f7
FB		 4430 if (!(p = lock_user_string(arg2)))
4431 goto efault;
4432 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4433 unlock_user(p, arg2, 0);
75ac37a0
TS		 4434 break;
4435#endif
31e31b8a 4436 case TARGET_NR_chmod:
579a97f7
FB		 4437 if (!(p = lock_user_string(arg1)))
4438 goto efault;
53a5960a
PB		 4439 ret = get_errno(chmod(p, arg2));
4440 unlock_user(p, arg1, 0);
31e31b8a 4441 break;
ebc05488 4442#ifdef TARGET_NR_break
31e31b8a
FB		 4443 case TARGET_NR_break:
4444 goto unimplemented;
ebc05488
FB		 4445#endif
4446#ifdef TARGET_NR_oldstat
31e31b8a
FB		 4447 case TARGET_NR_oldstat:
4448 goto unimplemented;
ebc05488 4449#endif
31e31b8a
FB		 4450 case TARGET_NR_lseek:
4451 ret = get_errno(lseek(arg1, arg2, arg3));
4452 break;
7a3148a9
JM		 4453#ifdef TARGET_NR_getxpid
4454 case TARGET_NR_getxpid:
4455#else
31e31b8a 4456 case TARGET_NR_getpid:
7a3148a9 4457#endif
31e31b8a
FB		 4458 ret = get_errno(getpid());
4459 break;
4460 case TARGET_NR_mount:
80265918
TS		 4461 {
4462 /* need to look at the data field */
4463 void *p2, *p3;
4464 p = lock_user_string(arg1);
4465 p2 = lock_user_string(arg2);
4466 p3 = lock_user_string(arg3);
579a97f7
FB		 4467 if (!p || !p2 || !p3)
4468 ret = -TARGET_EFAULT;
dab46405 4469 else {
579a97f7
FB		 4470 /* FIXME - arg5 should be locked, but it isn't clear how to
4471 * do that since it's not guaranteed to be a NULL-terminated
4472 * string.
4473 */
dab46405
JSM		 4474 if ( ! arg5 )
4475 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, NULL));
4476 else
4477 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4478 }
579a97f7
FB		 4479 unlock_user(p, arg1, 0);
4480 unlock_user(p2, arg2, 0);
4481 unlock_user(p3, arg3, 0);
80265918
TS		 4482 break;
4483 }
e5febef5 4484#ifdef TARGET_NR_umount
31e31b8a 4485 case TARGET_NR_umount:
579a97f7
FB		 4486 if (!(p = lock_user_string(arg1)))
4487 goto efault;
53a5960a
PB		 4488 ret = get_errno(umount(p));
4489 unlock_user(p, arg1, 0);
31e31b8a 4490 break;
e5febef5 4491#endif
7a3148a9 4492#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 4493 case TARGET_NR_stime:
4494 {
53a5960a 4495 time_t host_time;
2f619698
FB		 4496 if (get_user_sal(host_time, arg1))
4497 goto efault;
53a5960a 4498 ret = get_errno(stime(&host_time));
31e31b8a
FB		 4499 }
4500 break;
7a3148a9 4501#endif
31e31b8a
FB		 4502 case TARGET_NR_ptrace:
4503 goto unimplemented;
7a3148a9 4504#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 4505 case TARGET_NR_alarm:
4506 ret = alarm(arg1);
4507 break;
7a3148a9 4508#endif
ebc05488 4509#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 4510 case TARGET_NR_oldfstat:
4511 goto unimplemented;
ebc05488 4512#endif
7a3148a9 4513#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 4514 case TARGET_NR_pause:
4515 ret = get_errno(pause());
4516 break;
7a3148a9 4517#endif
e5febef5 4518#ifdef TARGET_NR_utime
31e31b8a 4519 case TARGET_NR_utime:
ebc05488 4520 {
53a5960a
PB		 4521 struct utimbuf tbuf, *host_tbuf;
4522 struct target_utimbuf *target_tbuf;
4523 if (arg2) {
579a97f7
FB		 4524 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4525 goto efault;
53a5960a
PB		 4526 tbuf.actime = tswapl(target_tbuf->actime);
4527 tbuf.modtime = tswapl(target_tbuf->modtime);
4528 unlock_user_struct(target_tbuf, arg2, 0);
4529 host_tbuf = &tbuf;
f72e8ff4 4530 } else {
53a5960a 4531 host_tbuf = NULL;
f72e8ff4 4532 }
579a97f7
FB		 4533 if (!(p = lock_user_string(arg1)))
4534 goto efault;
53a5960a
PB		 4535 ret = get_errno(utime(p, host_tbuf));
4536 unlock_user(p, arg1, 0);
ebc05488
FB		 4537 }
4538 break;
e5febef5 4539#endif
978a66ff
FB		 4540 case TARGET_NR_utimes:
4541 {
978a66ff 4542 struct timeval *tvp, tv[2];
53a5960a 4543 if (arg2) {
788f5ec4
TS		 4544 if (copy_from_user_timeval(&tv[0], arg2)
4545 || copy_from_user_timeval(&tv[1],
4546 arg2 + sizeof(struct target_timeval)))
4547 goto efault;
978a66ff
FB		 4548 tvp = tv;
4549 } else {
4550 tvp = NULL;
4551 }
579a97f7
FB		 4552 if (!(p = lock_user_string(arg1)))
4553 goto efault;
53a5960a
PB		 4554 ret = get_errno(utimes(p, tvp));
4555 unlock_user(p, arg1, 0);
978a66ff
FB		 4556 }
4557 break;
ac8a6556
AZ		 4558#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4559 case TARGET_NR_futimesat:
4560 {
4561 struct timeval *tvp, tv[2];
4562 if (arg3) {
4563 if (copy_from_user_timeval(&tv[0], arg3)
4564 || copy_from_user_timeval(&tv[1],
4565 arg3 + sizeof(struct target_timeval)))
4566 goto efault;
4567 tvp = tv;
4568 } else {
4569 tvp = NULL;
4570 }
4571 if (!(p = lock_user_string(arg2)))
4572 goto efault;
4573 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4574 unlock_user(p, arg2, 0);
4575 }
4576 break;
4577#endif
ebc05488 4578#ifdef TARGET_NR_stty
31e31b8a
FB		 4579 case TARGET_NR_stty:
4580 goto unimplemented;
ebc05488
FB		 4581#endif
4582#ifdef TARGET_NR_gtty
31e31b8a
FB		 4583 case TARGET_NR_gtty:
4584 goto unimplemented;
ebc05488 4585#endif
31e31b8a 4586 case TARGET_NR_access:
579a97f7
FB		 4587 if (!(p = lock_user_string(arg1)))
4588 goto efault;
719f908e 4589 ret = get_errno(access(path(p), arg2));
53a5960a 4590 unlock_user(p, arg1, 0);
31e31b8a 4591 break;
92a34c10
TS		 4592#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4593 case TARGET_NR_faccessat:
579a97f7
FB		 4594 if (!(p = lock_user_string(arg2)))
4595 goto efault;
465c9f06 4596 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 4597 unlock_user(p, arg2, 0);
92a34c10
TS		 4598 break;
4599#endif
7a3148a9 4600#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 4601 case TARGET_NR_nice:
4602 ret = get_errno(nice(arg1));
4603 break;
7a3148a9 4604#endif
ebc05488 4605#ifdef TARGET_NR_ftime
31e31b8a
FB		 4606 case TARGET_NR_ftime:
4607 goto unimplemented;
ebc05488 4608#endif
31e31b8a 4609 case TARGET_NR_sync:
04369ff2
FB		 4610 sync();
4611 ret = 0;
31e31b8a
FB		 4612 break;
4613 case TARGET_NR_kill:
4cb05961 4614 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 4615 break;
4616 case TARGET_NR_rename:
53a5960a
PB		 4617 {
4618 void *p2;
4619 p = lock_user_string(arg1);
4620 p2 = lock_user_string(arg2);
579a97f7
FB		 4621 if (!p || !p2)
4622 ret = -TARGET_EFAULT;
4623 else
4624 ret = get_errno(rename(p, p2));
53a5960a
PB		 4625 unlock_user(p2, arg2, 0);
4626 unlock_user(p, arg1, 0);
4627 }
31e31b8a 4628 break;
722183f6
TS		 4629#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4630 case TARGET_NR_renameat:
722183f6 4631 {
579a97f7 4632 void *p2;
722183f6
TS		 4633 p = lock_user_string(arg2);
4634 p2 = lock_user_string(arg4);
579a97f7 4635 if (!p || !p2)
0da46a6e 4636 ret = -TARGET_EFAULT;
722183f6
TS		 4637 else
4638 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 4639 unlock_user(p2, arg4, 0);
4640 unlock_user(p, arg2, 0);
722183f6
TS		 4641 }
4642 break;
4643#endif
31e31b8a 4644 case TARGET_NR_mkdir:
579a97f7
FB		 4645 if (!(p = lock_user_string(arg1)))
4646 goto efault;
53a5960a
PB		 4647 ret = get_errno(mkdir(p, arg2));
4648 unlock_user(p, arg1, 0);
31e31b8a 4649 break;
4472ad0d
TS		 4650#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4651 case TARGET_NR_mkdirat:
579a97f7
FB		 4652 if (!(p = lock_user_string(arg2)))
4653 goto efault;
4654 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4655 unlock_user(p, arg2, 0);
4472ad0d
TS		 4656 break;
4657#endif
31e31b8a 4658 case TARGET_NR_rmdir:
579a97f7
FB		 4659 if (!(p = lock_user_string(arg1)))
4660 goto efault;
53a5960a
PB		 4661 ret = get_errno(rmdir(p));
4662 unlock_user(p, arg1, 0);
31e31b8a
FB		 4663 break;
4664 case TARGET_NR_dup:
4665 ret = get_errno(dup(arg1));
4666 break;
4667 case TARGET_NR_pipe:
099d6b0f
RV		 4668 ret = do_pipe(cpu_env, arg1, 0);
4669 break;
4670#ifdef TARGET_NR_pipe2
4671 case TARGET_NR_pipe2:
4672 ret = do_pipe(cpu_env, arg1, arg2);
31e31b8a 4673 break;
099d6b0f 4674#endif
31e31b8a 4675 case TARGET_NR_times:
32f36bce 4676 {
53a5960a 4677 struct target_tms *tmsp;
32f36bce
FB		 4678 struct tms tms;
4679 ret = get_errno(times(&tms));
53a5960a 4680 if (arg1) {
579a97f7
FB		 4681 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4682 if (!tmsp)
4683 goto efault;
c596ed17
FB		 4684 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4685 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4686 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4687 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 4688 }
c596ed17
FB		 4689 if (!is_error(ret))
4690 ret = host_to_target_clock_t(ret);
32f36bce
FB		 4691 }
4692 break;
ebc05488 4693#ifdef TARGET_NR_prof
31e31b8a
FB		 4694 case TARGET_NR_prof:
4695 goto unimplemented;
ebc05488 4696#endif
e5febef5 4697#ifdef TARGET_NR_signal
31e31b8a
FB		 4698 case TARGET_NR_signal:
4699 goto unimplemented;
e5febef5 4700#endif
31e31b8a 4701 case TARGET_NR_acct:
38d840e6
AJ		 4702 if (arg1 == 0) {
4703 ret = get_errno(acct(NULL));
4704 } else {
4705 if (!(p = lock_user_string(arg1)))
4706 goto efault;
4707 ret = get_errno(acct(path(p)));
4708 unlock_user(p, arg1, 0);
4709 }
24836689 4710 break;
7a3148a9 4711#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 4712 case TARGET_NR_umount2:
579a97f7
FB		 4713 if (!(p = lock_user_string(arg1)))
4714 goto efault;
53a5960a
PB		 4715 ret = get_errno(umount2(p, arg2));
4716 unlock_user(p, arg1, 0);
31e31b8a 4717 break;
7a3148a9 4718#endif
ebc05488 4719#ifdef TARGET_NR_lock
31e31b8a
FB		 4720 case TARGET_NR_lock:
4721 goto unimplemented;
ebc05488 4722#endif
31e31b8a
FB		 4723 case TARGET_NR_ioctl:
4724 ret = do_ioctl(arg1, arg2, arg3);
4725 break;
4726 case TARGET_NR_fcntl:
9ee1fa2c 4727 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 4728 break;
ebc05488 4729#ifdef TARGET_NR_mpx
31e31b8a
FB		 4730 case TARGET_NR_mpx:
4731 goto unimplemented;
ebc05488 4732#endif
31e31b8a
FB		 4733 case TARGET_NR_setpgid:
4734 ret = get_errno(setpgid(arg1, arg2));
4735 break;
ebc05488 4736#ifdef TARGET_NR_ulimit
31e31b8a
FB		 4737 case TARGET_NR_ulimit:
4738 goto unimplemented;
ebc05488
FB		 4739#endif
4740#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 4741 case TARGET_NR_oldolduname:
4742 goto unimplemented;
ebc05488 4743#endif
31e31b8a
FB		 4744 case TARGET_NR_umask:
4745 ret = get_errno(umask(arg1));
4746 break;
4747 case TARGET_NR_chroot:
579a97f7
FB		 4748 if (!(p = lock_user_string(arg1)))
4749 goto efault;
53a5960a
PB		 4750 ret = get_errno(chroot(p));
4751 unlock_user(p, arg1, 0);
31e31b8a
FB		 4752 break;
4753 case TARGET_NR_ustat:
4754 goto unimplemented;
4755 case TARGET_NR_dup2:
4756 ret = get_errno(dup2(arg1, arg2));
4757 break;
d0927938
UH		 4758#if defined(CONFIG_DUP3) && defined(TARGET_NR_dup3)
4759 case TARGET_NR_dup3:
4760 ret = get_errno(dup3(arg1, arg2, arg3));
4761 break;
4762#endif
7a3148a9 4763#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 4764 case TARGET_NR_getppid:
4765 ret = get_errno(getppid());
4766 break;
7a3148a9 4767#endif
31e31b8a
FB		 4768 case TARGET_NR_getpgrp:
4769 ret = get_errno(getpgrp());
4770 break;
4771 case TARGET_NR_setsid:
4772 ret = get_errno(setsid());
4773 break;
e5febef5 4774#ifdef TARGET_NR_sigaction
31e31b8a 4775 case TARGET_NR_sigaction:
31e31b8a 4776 {
388bb21a 4777#if !defined(TARGET_MIPS)
53a5960a 4778 struct target_old_sigaction *old_act;
66fb9763 4779 struct target_sigaction act, oact, *pact;
53a5960a 4780 if (arg2) {
579a97f7
FB		 4781 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4782 goto efault;
66fb9763
FB		 4783 act._sa_handler = old_act->_sa_handler;
4784 target_siginitset(&act.sa_mask, old_act->sa_mask);
4785 act.sa_flags = old_act->sa_flags;
4786 act.sa_restorer = old_act->sa_restorer;
53a5960a 4787 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 4788 pact = &act;
4789 } else {
4790 pact = NULL;
4791 }
4792 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 4793 if (!is_error(ret) && arg3) {
579a97f7
FB		 4794 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4795 goto efault;
53a5960a
PB		 4796 old_act->_sa_handler = oact._sa_handler;
4797 old_act->sa_mask = oact.sa_mask.sig[0];
4798 old_act->sa_flags = oact.sa_flags;
4799 old_act->sa_restorer = oact.sa_restorer;
4800 unlock_user_struct(old_act, arg3, 1);
66fb9763 4801 }
388bb21a 4802#else
106ec879
FB		 4803 struct target_sigaction act, oact, *pact, *old_act;
4804
4805 if (arg2) {
579a97f7
FB		 4806 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4807 goto efault;
106ec879
FB		 4808 act._sa_handler = old_act->_sa_handler;
4809 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4810 act.sa_flags = old_act->sa_flags;
4811 unlock_user_struct(old_act, arg2, 0);
4812 pact = &act;
4813 } else {
4814 pact = NULL;
4815 }
4816
4817 ret = get_errno(do_sigaction(arg1, pact, &oact));
4818
4819 if (!is_error(ret) && arg3) {
579a97f7
FB		 4820 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4821 goto efault;
106ec879
FB		 4822 old_act->_sa_handler = oact._sa_handler;
4823 old_act->sa_flags = oact.sa_flags;
4824 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4825 old_act->sa_mask.sig[1] = 0;
4826 old_act->sa_mask.sig[2] = 0;
4827 old_act->sa_mask.sig[3] = 0;
4828 unlock_user_struct(old_act, arg3, 1);
4829 }
388bb21a 4830#endif
31e31b8a
FB		 4831 }
4832 break;
e5febef5 4833#endif
66fb9763 4834 case TARGET_NR_rt_sigaction:
53a5960a
PB		 4835 {
4836 struct target_sigaction *act;
4837 struct target_sigaction *oact;
4838
579a97f7
FB		 4839 if (arg2) {
4840 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4841 goto efault;
4842 } else
53a5960a 4843 act = NULL;
579a97f7
FB		 4844 if (arg3) {
4845 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4846 ret = -TARGET_EFAULT;
4847 goto rt_sigaction_fail;
4848 }
4849 } else
53a5960a
PB		 4850 oact = NULL;
4851 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 4852 rt_sigaction_fail:
4853 if (act)
53a5960a 4854 unlock_user_struct(act, arg2, 0);
579a97f7 4855 if (oact)
53a5960a
PB		 4856 unlock_user_struct(oact, arg3, 1);
4857 }
66fb9763 4858 break;
7a3148a9 4859#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 4860 case TARGET_NR_sgetmask:
66fb9763
FB		 4861 {
4862 sigset_t cur_set;
992f48a0 4863 abi_ulong target_set;
66fb9763
FB		 4864 sigprocmask(0, NULL, &cur_set);
4865 host_to_target_old_sigset(&target_set, &cur_set);
4866 ret = target_set;
4867 }
4868 break;
7a3148a9
JM		 4869#endif
4870#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 4871 case TARGET_NR_ssetmask:
66fb9763
FB		 4872 {
4873 sigset_t set, oset, cur_set;
992f48a0 4874 abi_ulong target_set = arg1;
66fb9763
FB		 4875 sigprocmask(0, NULL, &cur_set);
4876 target_to_host_old_sigset(&set, &target_set);
4877 sigorset(&set, &set, &cur_set);
4878 sigprocmask(SIG_SETMASK, &set, &oset);
4879 host_to_target_old_sigset(&target_set, &oset);
4880 ret = target_set;
4881 }
4882 break;
7a3148a9 4883#endif
e5febef5 4884#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 4885 case TARGET_NR_sigprocmask:
4886 {
4887 int how = arg1;
4888 sigset_t set, oldset, *set_ptr;
3b46e624 4889
53a5960a 4890 if (arg2) {
66fb9763
FB		 4891 switch(how) {
4892 case TARGET_SIG_BLOCK:
4893 how = SIG_BLOCK;
4894 break;
4895 case TARGET_SIG_UNBLOCK:
4896 how = SIG_UNBLOCK;
4897 break;
4898 case TARGET_SIG_SETMASK:
4899 how = SIG_SETMASK;
4900 break;
4901 default:
0da46a6e 4902 ret = -TARGET_EINVAL;
66fb9763
FB		 4903 goto fail;
4904 }
c227f099 4905 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 4906 goto efault;
53a5960a
PB		 4907 target_to_host_old_sigset(&set, p);
4908 unlock_user(p, arg2, 0);
66fb9763
FB		 4909 set_ptr = &set;
4910 } else {
4911 how = 0;
4912 set_ptr = NULL;
4913 }
4914 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a 4915 if (!is_error(ret) && arg3) {
c227f099 4916 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 4917 goto efault;
53a5960a 4918 host_to_target_old_sigset(p, &oldset);
c227f099 4919 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 4920 }
4921 }
4922 break;
e5febef5 4923#endif
66fb9763
FB		 4924 case TARGET_NR_rt_sigprocmask:
4925 {
4926 int how = arg1;
4927 sigset_t set, oldset, *set_ptr;
3b46e624 4928
53a5960a 4929 if (arg2) {
66fb9763
FB		 4930 switch(how) {
4931 case TARGET_SIG_BLOCK:
4932 how = SIG_BLOCK;
4933 break;
4934 case TARGET_SIG_UNBLOCK:
4935 how = SIG_UNBLOCK;
4936 break;
4937 case TARGET_SIG_SETMASK:
4938 how = SIG_SETMASK;
4939 break;
4940 default:
0da46a6e 4941 ret = -TARGET_EINVAL;
66fb9763
FB		 4942 goto fail;
4943 }
c227f099 4944 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
579a97f7 4945 goto efault;
53a5960a
PB		 4946 target_to_host_sigset(&set, p);
4947 unlock_user(p, arg2, 0);
66fb9763
FB		 4948 set_ptr = &set;
4949 } else {
4950 how = 0;
4951 set_ptr = NULL;
4952 }
4953 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 4954 if (!is_error(ret) && arg3) {
c227f099 4955 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
579a97f7 4956 goto efault;
53a5960a 4957 host_to_target_sigset(p, &oldset);
c227f099 4958 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 4959 }
4960 }
4961 break;
e5febef5 4962#ifdef TARGET_NR_sigpending
66fb9763
FB		 4963 case TARGET_NR_sigpending:
4964 {
4965 sigset_t set;
4966 ret = get_errno(sigpending(&set));
4967 if (!is_error(ret)) {
c227f099 4968 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 4969 goto efault;
53a5960a 4970 host_to_target_old_sigset(p, &set);
c227f099 4971 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 4972 }
4973 }
4974 break;
e5febef5 4975#endif
66fb9763
FB		 4976 case TARGET_NR_rt_sigpending:
4977 {
4978 sigset_t set;
4979 ret = get_errno(sigpending(&set));
4980 if (!is_error(ret)) {
c227f099 4981 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
579a97f7 4982 goto efault;
53a5960a 4983 host_to_target_sigset(p, &set);
c227f099 4984 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 4985 }
4986 }
4987 break;
e5febef5 4988#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 4989 case TARGET_NR_sigsuspend:
4990 {
4991 sigset_t set;
c227f099 4992 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 4993 goto efault;
53a5960a
PB		 4994 target_to_host_old_sigset(&set, p);
4995 unlock_user(p, arg1, 0);
66fb9763
FB		 4996 ret = get_errno(sigsuspend(&set));
4997 }
4998 break;
e5febef5 4999#endif
66fb9763
FB		 5000 case TARGET_NR_rt_sigsuspend:
5001 {
5002 sigset_t set;
c227f099 5003 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5004 goto efault;
53a5960a
PB		 5005 target_to_host_sigset(&set, p);
5006 unlock_user(p, arg1, 0);
66fb9763
FB		 5007 ret = get_errno(sigsuspend(&set));
5008 }
5009 break;
5010 case TARGET_NR_rt_sigtimedwait:
5011 {
66fb9763
FB		 5012 sigset_t set;
5013 struct timespec uts, *puts;
5014 siginfo_t uinfo;
3b46e624 5015
c227f099 5016 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
579a97f7 5017 goto efault;
53a5960a
PB		 5018 target_to_host_sigset(&set, p);
5019 unlock_user(p, arg1, 0);
5020 if (arg3) {
66fb9763 5021 puts = &uts;
53a5960a 5022 target_to_host_timespec(puts, arg3);
66fb9763
FB		 5023 } else {
5024 puts = NULL;
5025 }
5026 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 5027 if (!is_error(ret) && arg2) {
c227f099 5028 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 5029 goto efault;
53a5960a 5030 host_to_target_siginfo(p, &uinfo);
c227f099 5031 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 5032 }
5033 }
5034 break;
5035 case TARGET_NR_rt_sigqueueinfo:
5036 {
5037 siginfo_t uinfo;
c227f099 5038 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
579a97f7 5039 goto efault;
53a5960a
PB		 5040 target_to_host_siginfo(&uinfo, p);
5041 unlock_user(p, arg1, 0);
66fb9763
FB		 5042 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5043 }
5044 break;
e5febef5 5045#ifdef TARGET_NR_sigreturn
66fb9763
FB		 5046 case TARGET_NR_sigreturn:
5047 /* NOTE: ret is eax, so not transcoding must be done */
5048 ret = do_sigreturn(cpu_env);
5049 break;
e5febef5 5050#endif
66fb9763
FB		 5051 case TARGET_NR_rt_sigreturn:
5052 /* NOTE: ret is eax, so not transcoding must be done */
5053 ret = do_rt_sigreturn(cpu_env);
5054 break;
31e31b8a 5055 case TARGET_NR_sethostname:
579a97f7
FB		 5056 if (!(p = lock_user_string(arg1)))
5057 goto efault;
53a5960a
PB		 5058 ret = get_errno(sethostname(p, arg2));
5059 unlock_user(p, arg1, 0);
31e31b8a
FB		 5060 break;
5061 case TARGET_NR_setrlimit:
9de5e440
FB		 5062 {
5063 /* XXX: convert resource ? */
5064 int resource = arg1;
53a5960a 5065 struct target_rlimit *target_rlim;
9de5e440 5066 struct rlimit rlim;
579a97f7
FB		 5067 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5068 goto efault;
9de5e440
FB		 5069 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
5070 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 5071 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 5072 ret = get_errno(setrlimit(resource, &rlim));
5073 }
5074 break;
31e31b8a 5075 case TARGET_NR_getrlimit:
9de5e440
FB		 5076 {
5077 /* XXX: convert resource ? */
5078 int resource = arg1;
53a5960a 5079 struct target_rlimit *target_rlim;
9de5e440 5080 struct rlimit rlim;
3b46e624 5081
9de5e440
FB		 5082 ret = get_errno(getrlimit(resource, &rlim));
5083 if (!is_error(ret)) {
579a97f7
FB		 5084 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5085 goto efault;
666bcd91
UH		 5086 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
5087 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 5088 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 5089 }
5090 }
5091 break;
31e31b8a 5092 case TARGET_NR_getrusage:
b409186b
FB		 5093 {
5094 struct rusage rusage;
b409186b
FB		 5095 ret = get_errno(getrusage(arg1, &rusage));
5096 if (!is_error(ret)) {
53a5960a 5097 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 5098 }
5099 }
5100 break;
31e31b8a
FB		 5101 case TARGET_NR_gettimeofday:
5102 {
31e31b8a
FB		 5103 struct timeval tv;
5104 ret = get_errno(gettimeofday(&tv, NULL));
5105 if (!is_error(ret)) {
788f5ec4
TS		 5106 if (copy_to_user_timeval(arg1, &tv))
5107 goto efault;
31e31b8a
FB		 5108 }
5109 }
5110 break;
5111 case TARGET_NR_settimeofday:
5112 {
31e31b8a 5113 struct timeval tv;
788f5ec4
TS		 5114 if (copy_from_user_timeval(&tv, arg1))
5115 goto efault;
31e31b8a
FB		 5116 ret = get_errno(settimeofday(&tv, NULL));
5117 }
5118 break;
048f6b4d 5119#ifdef TARGET_NR_select
31e31b8a 5120 case TARGET_NR_select:
f2674e31 5121 {
53a5960a 5122 struct target_sel_arg_struct *sel;
992f48a0 5123 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 5124 long nsel;
5125
579a97f7
FB		 5126 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5127 goto efault;
53a5960a
PB		 5128 nsel = tswapl(sel->n);
5129 inp = tswapl(sel->inp);
5130 outp = tswapl(sel->outp);
5131 exp = tswapl(sel->exp);
5132 tvp = tswapl(sel->tvp);
5133 unlock_user_struct(sel, arg1, 0);
5134 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 5135 }
5136 break;
048f6b4d 5137#endif
31e31b8a 5138 case TARGET_NR_symlink:
53a5960a
PB		 5139 {
5140 void *p2;
5141 p = lock_user_string(arg1);
5142 p2 = lock_user_string(arg2);
579a97f7
FB		 5143 if (!p || !p2)
5144 ret = -TARGET_EFAULT;
5145 else
5146 ret = get_errno(symlink(p, p2));
53a5960a
PB		 5147 unlock_user(p2, arg2, 0);
5148 unlock_user(p, arg1, 0);
5149 }
31e31b8a 5150 break;
f0b6243d
TS		 5151#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5152 case TARGET_NR_symlinkat:
f0b6243d 5153 {
579a97f7 5154 void *p2;
f0b6243d
TS		 5155 p = lock_user_string(arg1);
5156 p2 = lock_user_string(arg3);
579a97f7 5157 if (!p || !p2)
0da46a6e 5158 ret = -TARGET_EFAULT;
f0b6243d
TS		 5159 else
5160 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 5161 unlock_user(p2, arg3, 0);
5162 unlock_user(p, arg1, 0);
f0b6243d
TS		 5163 }
5164 break;
5165#endif
ebc05488 5166#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 5167 case TARGET_NR_oldlstat:
5168 goto unimplemented;
ebc05488 5169#endif
31e31b8a 5170 case TARGET_NR_readlink:
53a5960a 5171 {
d088d664 5172 void *p2, *temp;
53a5960a 5173 p = lock_user_string(arg1);
579a97f7
FB		 5174 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5175 if (!p || !p2)
5176 ret = -TARGET_EFAULT;
d088d664
AJ		 5177 else {
5178 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5179 char real[PATH_MAX];
5180 temp = realpath(exec_path,real);
5181 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5182 snprintf((char *)p2, arg3, "%s", real);
5183 }
5184 else
5185 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 5186 }
53a5960a
PB		 5187 unlock_user(p2, arg2, ret);
5188 unlock_user(p, arg1, 0);
5189 }
31e31b8a 5190 break;
5e0ccb18
TS		 5191#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5192 case TARGET_NR_readlinkat:
5e0ccb18 5193 {
579a97f7 5194 void *p2;
5e0ccb18 5195 p = lock_user_string(arg2);
579a97f7
FB		 5196 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5197 if (!p || !p2)
0da46a6e 5198 ret = -TARGET_EFAULT;
5e0ccb18
TS		 5199 else
5200 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 5201 unlock_user(p2, arg3, ret);
5202 unlock_user(p, arg2, 0);
5e0ccb18
TS		 5203 }
5204 break;
5205#endif
e5febef5 5206#ifdef TARGET_NR_uselib
31e31b8a
FB		 5207 case TARGET_NR_uselib:
5208 goto unimplemented;
e5febef5
TS		 5209#endif
5210#ifdef TARGET_NR_swapon
31e31b8a 5211 case TARGET_NR_swapon:
579a97f7
FB		 5212 if (!(p = lock_user_string(arg1)))
5213 goto efault;
53a5960a
PB		 5214 ret = get_errno(swapon(p, arg2));
5215 unlock_user(p, arg1, 0);
31e31b8a 5216 break;
e5febef5 5217#endif
31e31b8a
FB		 5218 case TARGET_NR_reboot:
5219 goto unimplemented;
e5febef5 5220#ifdef TARGET_NR_readdir
31e31b8a
FB		 5221 case TARGET_NR_readdir:
5222 goto unimplemented;
e5febef5
TS		 5223#endif
5224#ifdef TARGET_NR_mmap
31e31b8a 5225 case TARGET_NR_mmap:
b779e29e 5226#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
31e31b8a 5227 {
992f48a0
BS		 5228 abi_ulong *v;
5229 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 5230 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5231 goto efault;
53a5960a
PB		 5232 v1 = tswapl(v[0]);
5233 v2 = tswapl(v[1]);
5234 v3 = tswapl(v[2]);
5235 v4 = tswapl(v[3]);
5236 v5 = tswapl(v[4]);
5237 v6 = tswapl(v[5]);
5238 unlock_user(v, arg1, 0);
5fafdf24 5239 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 5240 target_to_host_bitmask(v4, mmap_flags_tbl),
5241 v5, v6));
31e31b8a 5242 }
31e31b8a 5243#else
5fafdf24
TS		 5244 ret = get_errno(target_mmap(arg1, arg2, arg3,
5245 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 5246 arg5,
5247 arg6));
31e31b8a 5248#endif
6fb883e8 5249 break;
e5febef5 5250#endif
a315a145 5251#ifdef TARGET_NR_mmap2
6fb883e8 5252 case TARGET_NR_mmap2:
bb7ec043 5253#ifndef MMAP_SHIFT
c573ff67 5254#define MMAP_SHIFT 12
c573ff67 5255#endif
5fafdf24
TS		 5256 ret = get_errno(target_mmap(arg1, arg2, arg3,
5257 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 5258 arg5,
c573ff67 5259 arg6 << MMAP_SHIFT));
31e31b8a 5260 break;
a315a145 5261#endif
31e31b8a 5262 case TARGET_NR_munmap:
54936004 5263 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 5264 break;
9de5e440 5265 case TARGET_NR_mprotect:
54936004 5266 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 5267 break;
e5febef5 5268#ifdef TARGET_NR_mremap
9de5e440 5269 case TARGET_NR_mremap:
54936004 5270 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 5271 break;
e5febef5 5272#endif
53a5960a 5273 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 5274#ifdef TARGET_NR_msync
9de5e440 5275 case TARGET_NR_msync:
53a5960a 5276 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 5277 break;
e5febef5
TS		 5278#endif
5279#ifdef TARGET_NR_mlock
9de5e440 5280 case TARGET_NR_mlock:
53a5960a 5281 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 5282 break;
e5febef5
TS		 5283#endif
5284#ifdef TARGET_NR_munlock
9de5e440 5285 case TARGET_NR_munlock:
53a5960a 5286 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 5287 break;
e5febef5
TS		 5288#endif
5289#ifdef TARGET_NR_mlockall
9de5e440
FB		 5290 case TARGET_NR_mlockall:
5291 ret = get_errno(mlockall(arg1));
5292 break;
e5febef5
TS		 5293#endif
5294#ifdef TARGET_NR_munlockall
9de5e440
FB		 5295 case TARGET_NR_munlockall:
5296 ret = get_errno(munlockall());
5297 break;
e5febef5 5298#endif
31e31b8a 5299 case TARGET_NR_truncate:
579a97f7
FB		 5300 if (!(p = lock_user_string(arg1)))
5301 goto efault;
53a5960a
PB		 5302 ret = get_errno(truncate(p, arg2));
5303 unlock_user(p, arg1, 0);
31e31b8a
FB		 5304 break;
5305 case TARGET_NR_ftruncate:
5306 ret = get_errno(ftruncate(arg1, arg2));
5307 break;
5308 case TARGET_NR_fchmod:
5309 ret = get_errno(fchmod(arg1, arg2));
5310 break;
814d7977
TS		 5311#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5312 case TARGET_NR_fchmodat:
579a97f7
FB		 5313 if (!(p = lock_user_string(arg2)))
5314 goto efault;
465c9f06 5315 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 5316 unlock_user(p, arg2, 0);
814d7977
TS		 5317 break;
5318#endif
31e31b8a 5319 case TARGET_NR_getpriority:
c6cda17a
TS		 5320 /* libc does special remapping of the return value of
5321 * sys_getpriority() so it's just easiest to call
5322 * sys_getpriority() directly rather than through libc. */
69137206 5323 ret = get_errno(sys_getpriority(arg1, arg2));
31e31b8a
FB		 5324 break;
5325 case TARGET_NR_setpriority:
5326 ret = get_errno(setpriority(arg1, arg2, arg3));
5327 break;
ebc05488 5328#ifdef TARGET_NR_profil
31e31b8a
FB		 5329 case TARGET_NR_profil:
5330 goto unimplemented;
ebc05488 5331#endif
31e31b8a 5332 case TARGET_NR_statfs:
579a97f7
FB		 5333 if (!(p = lock_user_string(arg1)))
5334 goto efault;
53a5960a
PB		 5335 ret = get_errno(statfs(path(p), &stfs));
5336 unlock_user(p, arg1, 0);
31e31b8a
FB		 5337 convert_statfs:
5338 if (!is_error(ret)) {
53a5960a 5339 struct target_statfs *target_stfs;
3b46e624 5340
579a97f7
FB		 5341 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5342 goto efault;
5343 __put_user(stfs.f_type, &target_stfs->f_type);
5344 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5345 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5346 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5347 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5348 __put_user(stfs.f_files, &target_stfs->f_files);
5349 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5350 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5351 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5352 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 5353 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 5354 }
5355 break;
5356 case TARGET_NR_fstatfs:
56c8f68f 5357 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 5358 goto convert_statfs;
56c8f68f
FB		 5359#ifdef TARGET_NR_statfs64
5360 case TARGET_NR_statfs64:
579a97f7
FB		 5361 if (!(p = lock_user_string(arg1)))
5362 goto efault;
53a5960a
PB		 5363 ret = get_errno(statfs(path(p), &stfs));
5364 unlock_user(p, arg1, 0);
56c8f68f
FB		 5365 convert_statfs64:
5366 if (!is_error(ret)) {
53a5960a 5367 struct target_statfs64 *target_stfs;
3b46e624 5368
579a97f7
FB		 5369 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5370 goto efault;
5371 __put_user(stfs.f_type, &target_stfs->f_type);
5372 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5373 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5374 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5375 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5376 __put_user(stfs.f_files, &target_stfs->f_files);
5377 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5378 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5379 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5380 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5381 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 5382 }
5383 break;
5384 case TARGET_NR_fstatfs64:
5385 ret = get_errno(fstatfs(arg1, &stfs));
5386 goto convert_statfs64;
5387#endif
ebc05488 5388#ifdef TARGET_NR_ioperm
31e31b8a
FB		 5389 case TARGET_NR_ioperm:
5390 goto unimplemented;
ebc05488 5391#endif
e5febef5 5392#ifdef TARGET_NR_socketcall
31e31b8a 5393 case TARGET_NR_socketcall:
53a5960a 5394 ret = do_socketcall(arg1, arg2);
31e31b8a 5395 break;
e5febef5 5396#endif
3532fa74
FB		 5397#ifdef TARGET_NR_accept
5398 case TARGET_NR_accept:
1be9e1dc 5399 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 5400 break;
5401#endif
5402#ifdef TARGET_NR_bind
5403 case TARGET_NR_bind:
5404 ret = do_bind(arg1, arg2, arg3);
5405 break;
5406#endif
5407#ifdef TARGET_NR_connect
5408 case TARGET_NR_connect:
5409 ret = do_connect(arg1, arg2, arg3);
5410 break;
5411#endif
5412#ifdef TARGET_NR_getpeername
5413 case TARGET_NR_getpeername:
1be9e1dc 5414 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 5415 break;
5416#endif
5417#ifdef TARGET_NR_getsockname
5418 case TARGET_NR_getsockname:
1be9e1dc 5419 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 5420 break;
5421#endif
5422#ifdef TARGET_NR_getsockopt
5423 case TARGET_NR_getsockopt:
5424 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5425 break;
5426#endif
5427#ifdef TARGET_NR_listen
5428 case TARGET_NR_listen:
1be9e1dc 5429 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 5430 break;
5431#endif
5432#ifdef TARGET_NR_recv
5433 case TARGET_NR_recv:
214201bd 5434 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5435 break;
5436#endif
5437#ifdef TARGET_NR_recvfrom
5438 case TARGET_NR_recvfrom:
214201bd 5439 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5440 break;
5441#endif
5442#ifdef TARGET_NR_recvmsg
5443 case TARGET_NR_recvmsg:
5444 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5445 break;
5446#endif
5447#ifdef TARGET_NR_send
5448 case TARGET_NR_send:
1be9e1dc 5449 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5450 break;
5451#endif
5452#ifdef TARGET_NR_sendmsg
5453 case TARGET_NR_sendmsg:
5454 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5455 break;
5456#endif
5457#ifdef TARGET_NR_sendto
5458 case TARGET_NR_sendto:
1be9e1dc 5459 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5460 break;
5461#endif
5462#ifdef TARGET_NR_shutdown
5463 case TARGET_NR_shutdown:
1be9e1dc 5464 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 5465 break;
5466#endif
5467#ifdef TARGET_NR_socket
5468 case TARGET_NR_socket:
5469 ret = do_socket(arg1, arg2, arg3);
5470 break;
5471#endif
5472#ifdef TARGET_NR_socketpair
5473 case TARGET_NR_socketpair:
1be9e1dc 5474 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 5475 break;
5476#endif
5477#ifdef TARGET_NR_setsockopt
5478 case TARGET_NR_setsockopt:
5479 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5480 break;
5481#endif
7494b0f9 5482
31e31b8a 5483 case TARGET_NR_syslog:
579a97f7
FB		 5484 if (!(p = lock_user_string(arg2)))
5485 goto efault;
e5574487
TS		 5486 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5487 unlock_user(p, arg2, 0);
7494b0f9
TS		 5488 break;
5489
31e31b8a 5490 case TARGET_NR_setitimer:
66fb9763 5491 {
66fb9763
FB		 5492 struct itimerval value, ovalue, *pvalue;
5493
53a5960a 5494 if (arg2) {
66fb9763 5495 pvalue = &value;
788f5ec4
TS		 5496 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5497 || copy_from_user_timeval(&pvalue->it_value,
5498 arg2 + sizeof(struct target_timeval)))
5499 goto efault;
66fb9763
FB		 5500 } else {
5501 pvalue = NULL;
5502 }
5503 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 5504 if (!is_error(ret) && arg3) {
788f5ec4
TS		 5505 if (copy_to_user_timeval(arg3,
5506 &ovalue.it_interval)
5507 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5508 &ovalue.it_value))
5509 goto efault;
66fb9763
FB		 5510 }
5511 }
5512 break;
31e31b8a 5513 case TARGET_NR_getitimer:
66fb9763 5514 {
66fb9763 5515 struct itimerval value;
3b46e624 5516
66fb9763 5517 ret = get_errno(getitimer(arg1, &value));
53a5960a 5518 if (!is_error(ret) && arg2) {
788f5ec4
TS		 5519 if (copy_to_user_timeval(arg2,
5520 &value.it_interval)
5521 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5522 &value.it_value))
5523 goto efault;
66fb9763
FB		 5524 }
5525 }
5526 break;
31e31b8a 5527 case TARGET_NR_stat:
579a97f7
FB		 5528 if (!(p = lock_user_string(arg1)))
5529 goto efault;
53a5960a
PB		 5530 ret = get_errno(stat(path(p), &st));
5531 unlock_user(p, arg1, 0);
31e31b8a
FB		 5532 goto do_stat;
5533 case TARGET_NR_lstat:
579a97f7
FB		 5534 if (!(p = lock_user_string(arg1)))
5535 goto efault;
53a5960a
PB		 5536 ret = get_errno(lstat(path(p), &st));
5537 unlock_user(p, arg1, 0);
31e31b8a
FB		 5538 goto do_stat;
5539 case TARGET_NR_fstat:
5540 {
5541 ret = get_errno(fstat(arg1, &st));
5542 do_stat:
5543 if (!is_error(ret)) {
53a5960a 5544 struct target_stat *target_st;
e3584658 5545
579a97f7
FB		 5546 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5547 goto efault;
12727917 5548 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 5549 __put_user(st.st_dev, &target_st->st_dev);
5550 __put_user(st.st_ino, &target_st->st_ino);
5551 __put_user(st.st_mode, &target_st->st_mode);
5552 __put_user(st.st_uid, &target_st->st_uid);
5553 __put_user(st.st_gid, &target_st->st_gid);
5554 __put_user(st.st_nlink, &target_st->st_nlink);
5555 __put_user(st.st_rdev, &target_st->st_rdev);
5556 __put_user(st.st_size, &target_st->st_size);
5557 __put_user(st.st_blksize, &target_st->st_blksize);
5558 __put_user(st.st_blocks, &target_st->st_blocks);
5559 __put_user(st.st_atime, &target_st->target_st_atime);
5560 __put_user(st.st_mtime, &target_st->target_st_mtime);
5561 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 5562 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 5563 }
5564 }
5565 break;
ebc05488 5566#ifdef TARGET_NR_olduname
31e31b8a
FB		 5567 case TARGET_NR_olduname:
5568 goto unimplemented;
ebc05488
FB		 5569#endif
5570#ifdef TARGET_NR_iopl
31e31b8a
FB		 5571 case TARGET_NR_iopl:
5572 goto unimplemented;
ebc05488 5573#endif
31e31b8a
FB		 5574 case TARGET_NR_vhangup:
5575 ret = get_errno(vhangup());
5576 break;
ebc05488 5577#ifdef TARGET_NR_idle
31e31b8a
FB		 5578 case TARGET_NR_idle:
5579 goto unimplemented;
42ad6ae9
FB		 5580#endif
5581#ifdef TARGET_NR_syscall
5582 case TARGET_NR_syscall:
5583 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5584 break;
ebc05488 5585#endif
31e31b8a
FB		 5586 case TARGET_NR_wait4:
5587 {
5588 int status;
992f48a0 5589 abi_long status_ptr = arg2;
31e31b8a 5590 struct rusage rusage, *rusage_ptr;
992f48a0 5591 abi_ulong target_rusage = arg4;
31e31b8a
FB		 5592 if (target_rusage)
5593 rusage_ptr = &rusage;
5594 else
5595 rusage_ptr = NULL;
5596 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5597 if (!is_error(ret)) {
2f619698 5598 if (status_ptr) {
1d9d8b55 5599 status = host_to_target_waitstatus(status);
2f619698
FB		 5600 if (put_user_s32(status, status_ptr))
5601 goto efault;
31e31b8a 5602 }
2f619698
FB		 5603 if (target_rusage)
5604 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 5605 }
5606 }
5607 break;
e5febef5 5608#ifdef TARGET_NR_swapoff
31e31b8a 5609 case TARGET_NR_swapoff:
579a97f7
FB		 5610 if (!(p = lock_user_string(arg1)))
5611 goto efault;
53a5960a
PB		 5612 ret = get_errno(swapoff(p));
5613 unlock_user(p, arg1, 0);
31e31b8a 5614 break;
e5febef5 5615#endif
31e31b8a 5616 case TARGET_NR_sysinfo:
a5448a7d 5617 {
53a5960a 5618 struct target_sysinfo *target_value;
a5448a7d
FB		 5619 struct sysinfo value;
5620 ret = get_errno(sysinfo(&value));
53a5960a 5621 if (!is_error(ret) && arg1)
a5448a7d 5622 {
579a97f7
FB		 5623 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5624 goto efault;
a5448a7d
FB		 5625 __put_user(value.uptime, &target_value->uptime);
5626 __put_user(value.loads[0], &target_value->loads[0]);
5627 __put_user(value.loads[1], &target_value->loads[1]);
5628 __put_user(value.loads[2], &target_value->loads[2]);
5629 __put_user(value.totalram, &target_value->totalram);
5630 __put_user(value.freeram, &target_value->freeram);
5631 __put_user(value.sharedram, &target_value->sharedram);
5632 __put_user(value.bufferram, &target_value->bufferram);
5633 __put_user(value.totalswap, &target_value->totalswap);
5634 __put_user(value.freeswap, &target_value->freeswap);
5635 __put_user(value.procs, &target_value->procs);
5636 __put_user(value.totalhigh, &target_value->totalhigh);
5637 __put_user(value.freehigh, &target_value->freehigh);
5638 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 5639 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 5640 }
5641 }
5642 break;
e5febef5 5643#ifdef TARGET_NR_ipc
31e31b8a 5644 case TARGET_NR_ipc:
8853f86e
FB		 5645 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5646 break;
e5febef5 5647#endif
e5289087
AJ		 5648#ifdef TARGET_NR_semget
5649 case TARGET_NR_semget:
5650 ret = get_errno(semget(arg1, arg2, arg3));
5651 break;
5652#endif
5653#ifdef TARGET_NR_semop
5654 case TARGET_NR_semop:
5655 ret = get_errno(do_semop(arg1, arg2, arg3));
5656 break;
5657#endif
5658#ifdef TARGET_NR_semctl
5659 case TARGET_NR_semctl:
5660 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5661 break;
5662#endif
eeb438c1
AJ		 5663#ifdef TARGET_NR_msgctl
5664 case TARGET_NR_msgctl:
5665 ret = do_msgctl(arg1, arg2, arg3);
5666 break;
5667#endif
5668#ifdef TARGET_NR_msgget
5669 case TARGET_NR_msgget:
5670 ret = get_errno(msgget(arg1, arg2));
5671 break;
5672#endif
5673#ifdef TARGET_NR_msgrcv
5674 case TARGET_NR_msgrcv:
5675 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5676 break;
5677#endif
5678#ifdef TARGET_NR_msgsnd
5679 case TARGET_NR_msgsnd:
5680 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5681 break;
88a8c984
RV		 5682#endif
5683#ifdef TARGET_NR_shmget
5684 case TARGET_NR_shmget:
5685 ret = get_errno(shmget(arg1, arg2, arg3));
5686 break;
5687#endif
5688#ifdef TARGET_NR_shmctl
5689 case TARGET_NR_shmctl:
5690 ret = do_shmctl(arg1, arg2, arg3);
5691 break;
5692#endif
5693#ifdef TARGET_NR_shmat
5694 case TARGET_NR_shmat:
5695 ret = do_shmat(arg1, arg2, arg3);
5696 break;
5697#endif
5698#ifdef TARGET_NR_shmdt
5699 case TARGET_NR_shmdt:
5700 ret = do_shmdt(arg1);
5701 break;
eeb438c1 5702#endif
31e31b8a
FB		 5703 case TARGET_NR_fsync:
5704 ret = get_errno(fsync(arg1));
5705 break;
31e31b8a 5706 case TARGET_NR_clone:
0b6d3ae0
AJ		 5707#if defined(TARGET_SH4)
5708 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 5709#elif defined(TARGET_CRIS)
5710 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
0b6d3ae0 5711#else
d865bab5 5712 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 5713#endif
1b6b029e 5714 break;
ec86b0fb
FB		 5715#ifdef __NR_exit_group
5716 /* new thread calls */
5717 case TARGET_NR_exit_group:
9788c9ca 5718#ifdef TARGET_GPROF
6d946cda
AJ		 5719 _mcleanup();
5720#endif
e9009676 5721 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 5722 ret = get_errno(exit_group(arg1));
5723 break;
5724#endif
31e31b8a 5725 case TARGET_NR_setdomainname:
579a97f7
FB		 5726 if (!(p = lock_user_string(arg1)))
5727 goto efault;
53a5960a
PB		 5728 ret = get_errno(setdomainname(p, arg2));
5729 unlock_user(p, arg1, 0);
31e31b8a
FB		 5730 break;
5731 case TARGET_NR_uname:
5732 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 5733 {
5734 struct new_utsname * buf;
3b46e624 5735
579a97f7
FB		 5736 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5737 goto efault;
29e619b1
FB		 5738 ret = get_errno(sys_uname(buf));
5739 if (!is_error(ret)) {
5740 /* Overrite the native machine name with whatever is being
5741 emulated. */
5742 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 5743 /* Allow the user to override the reported release. */
5744 if (qemu_uname_release && *qemu_uname_release)
5745 strcpy (buf->release, qemu_uname_release);
29e619b1 5746 }
53a5960a 5747 unlock_user_struct(buf, arg1, 1);
29e619b1 5748 }
31e31b8a 5749 break;
6dbad63e 5750#ifdef TARGET_I386
31e31b8a 5751 case TARGET_NR_modify_ldt:
03acab66 5752 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 5753 break;
84409ddb 5754#if !defined(TARGET_X86_64)
5cd4393b
FB		 5755 case TARGET_NR_vm86old:
5756 goto unimplemented;
5757 case TARGET_NR_vm86:
53a5960a 5758 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 5759 break;
84409ddb 5760#endif
6dbad63e 5761#endif
31e31b8a
FB		 5762 case TARGET_NR_adjtimex:
5763 goto unimplemented;
e5febef5 5764#ifdef TARGET_NR_create_module
31e31b8a 5765 case TARGET_NR_create_module:
e5febef5 5766#endif
31e31b8a
FB		 5767 case TARGET_NR_init_module:
5768 case TARGET_NR_delete_module:
e5febef5 5769#ifdef TARGET_NR_get_kernel_syms
31e31b8a 5770 case TARGET_NR_get_kernel_syms:
e5febef5 5771#endif
31e31b8a
FB		 5772 goto unimplemented;
5773 case TARGET_NR_quotactl:
5774 goto unimplemented;
5775 case TARGET_NR_getpgid:
5776 ret = get_errno(getpgid(arg1));
5777 break;
5778 case TARGET_NR_fchdir:
5779 ret = get_errno(fchdir(arg1));
5780 break;
84409ddb 5781#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 5782 case TARGET_NR_bdflush:
5783 goto unimplemented;
84409ddb 5784#endif
e5febef5 5785#ifdef TARGET_NR_sysfs
31e31b8a
FB		 5786 case TARGET_NR_sysfs:
5787 goto unimplemented;
e5febef5 5788#endif
31e31b8a 5789 case TARGET_NR_personality:
1b6b029e 5790 ret = get_errno(personality(arg1));
31e31b8a 5791 break;
e5febef5 5792#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 5793 case TARGET_NR_afs_syscall:
5794 goto unimplemented;
e5febef5 5795#endif
7a3148a9 5796#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 5797 case TARGET_NR__llseek:
5798 {
4f2ac237
FB		 5799#if defined (__x86_64__)
5800 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2f619698
FB		 5801 if (put_user_s64(ret, arg4))
5802 goto efault;
4f2ac237 5803#else
31e31b8a
FB		 5804 int64_t res;
5805 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2f619698
FB		 5806 if (put_user_s64(res, arg4))
5807 goto efault;
4f2ac237 5808#endif
31e31b8a
FB		 5809 }
5810 break;
7a3148a9 5811#endif
31e31b8a 5812 case TARGET_NR_getdents:
d83c8733 5813#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 5814 {
53a5960a 5815 struct target_dirent *target_dirp;
6556a833 5816 struct linux_dirent *dirp;
992f48a0 5817 abi_long count = arg3;
4add45b4
FB		 5818
5819 dirp = malloc(count);
0da46a6e 5820 if (!dirp) {
579a97f7 5821 ret = -TARGET_ENOMEM;
0da46a6e
TS		 5822 goto fail;
5823 }
3b46e624 5824
4add45b4
FB		 5825 ret = get_errno(sys_getdents(arg1, dirp, count));
5826 if (!is_error(ret)) {
6556a833 5827 struct linux_dirent *de;
4add45b4
FB		 5828 struct target_dirent *tde;
5829 int len = ret;
5830 int reclen, treclen;
5831 int count1, tnamelen;
5832
5833 count1 = 0;
5834 de = dirp;
579a97f7
FB		 5835 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5836 goto efault;
4add45b4
FB		 5837 tde = target_dirp;
5838 while (len > 0) {
5839 reclen = de->d_reclen;
992f48a0 5840 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4
FB		 5841 tde->d_reclen = tswap16(treclen);
5842 tde->d_ino = tswapl(de->d_ino);
5843 tde->d_off = tswapl(de->d_off);
992f48a0 5844 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 5845 if (tnamelen > 256)
5846 tnamelen = 256;
80a9d035 5847 /* XXX: may not be correct */
be15b141 5848 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 5849 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 5850 len -= reclen;
1c5bf3bf 5851 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 5852 count1 += treclen;
5853 }
5854 ret = count1;
579a97f7 5855 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 5856 }
5857 free(dirp);
5858 }
5859#else
31e31b8a 5860 {
6556a833 5861 struct linux_dirent *dirp;
992f48a0 5862 abi_long count = arg3;
dab2ed99 5863
579a97f7
FB		 5864 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5865 goto efault;
72f03900 5866 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 5867 if (!is_error(ret)) {
6556a833 5868 struct linux_dirent *de;
31e31b8a
FB		 5869 int len = ret;
5870 int reclen;
5871 de = dirp;
5872 while (len > 0) {
8083a3e5 5873 reclen = de->d_reclen;
31e31b8a
FB		 5874 if (reclen > len)
5875 break;
8083a3e5 5876 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 5877 tswapls(&de->d_ino);
5878 tswapls(&de->d_off);
6556a833 5879 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 5880 len -= reclen;
5881 }
5882 }
53a5960a 5883 unlock_user(dirp, arg2, ret);
31e31b8a 5884 }
4add45b4 5885#endif
31e31b8a 5886 break;
3ae43202 5887#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 5888 case TARGET_NR_getdents64:
5889 {
6556a833 5890 struct linux_dirent64 *dirp;
992f48a0 5891 abi_long count = arg3;
579a97f7
FB		 5892 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5893 goto efault;
dab2ed99
FB		 5894 ret = get_errno(sys_getdents64(arg1, dirp, count));
5895 if (!is_error(ret)) {
6556a833 5896 struct linux_dirent64 *de;
dab2ed99
FB		 5897 int len = ret;
5898 int reclen;
5899 de = dirp;
5900 while (len > 0) {
8083a3e5 5901 reclen = de->d_reclen;
dab2ed99
FB		 5902 if (reclen > len)
5903 break;
8083a3e5 5904 de->d_reclen = tswap16(reclen);
8582a53a
FB		 5905 tswap64s((uint64_t *)&de->d_ino);
5906 tswap64s((uint64_t *)&de->d_off);
6556a833 5907 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 5908 len -= reclen;
5909 }
5910 }
53a5960a 5911 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 5912 }
5913 break;
a541f297 5914#endif /* TARGET_NR_getdents64 */
e5febef5 5915#ifdef TARGET_NR__newselect
31e31b8a 5916 case TARGET_NR__newselect:
53a5960a 5917 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 5918 break;
e5febef5
TS		 5919#endif
5920#ifdef TARGET_NR_poll
9de5e440
FB		 5921 case TARGET_NR_poll:
5922 {
53a5960a 5923 struct target_pollfd *target_pfd;
9de5e440
FB		 5924 unsigned int nfds = arg2;
5925 int timeout = arg3;
5926 struct pollfd *pfd;
7854b056 5927 unsigned int i;
9de5e440 5928
579a97f7
FB		 5929 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5930 if (!target_pfd)
5931 goto efault;
9de5e440
FB		 5932 pfd = alloca(sizeof(struct pollfd) * nfds);
5933 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 5934 pfd[i].fd = tswap32(target_pfd[i].fd);
5935 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 5936 }
5937 ret = get_errno(poll(pfd, nfds, timeout));
5938 if (!is_error(ret)) {
5939 for(i = 0; i < nfds; i++) {
5cd4393b 5940 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 5941 }
53a5960a
PB		 5942 ret += nfds * (sizeof(struct target_pollfd)
5943 - sizeof(struct pollfd));
9de5e440 5944 }
53a5960a 5945 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 5946 }
5947 break;
e5febef5 5948#endif
31e31b8a 5949 case TARGET_NR_flock:
9de5e440
FB		 5950 /* NOTE: the flock constant seems to be the same for every
5951 Linux platform */
5952 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 5953 break;
5954 case TARGET_NR_readv:
5955 {
5956 int count = arg3;
31e31b8a 5957 struct iovec *vec;
31e31b8a
FB		 5958
5959 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 5960 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
5961 goto efault;
31e31b8a 5962 ret = get_errno(readv(arg1, vec, count));
53a5960a 5963 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 5964 }
5965 break;
5966 case TARGET_NR_writev:
5967 {
5968 int count = arg3;
31e31b8a 5969 struct iovec *vec;
31e31b8a
FB		 5970
5971 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 5972 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
5973 goto efault;
31e31b8a 5974 ret = get_errno(writev(arg1, vec, count));
53a5960a 5975 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 5976 }
5977 break;
5978 case TARGET_NR_getsid:
5979 ret = get_errno(getsid(arg1));
5980 break;
7a3148a9 5981#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 5982 case TARGET_NR_fdatasync:
5cd4393b
FB		 5983 ret = get_errno(fdatasync(arg1));
5984 break;
7a3148a9 5985#endif
31e31b8a 5986 case TARGET_NR__sysctl:
0da46a6e 5987 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 5988 return value. */
0da46a6e
TS		 5989 ret = -TARGET_ENOTDIR;
5990 break;
31e31b8a 5991 case TARGET_NR_sched_setparam:
5cd4393b 5992 {
53a5960a 5993 struct sched_param *target_schp;
5cd4393b 5994 struct sched_param schp;
53a5960a 5995
579a97f7
FB		 5996 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
5997 goto efault;
5cd4393b 5998 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 5999 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 6000 ret = get_errno(sched_setparam(arg1, &schp));
6001 }
6002 break;
31e31b8a 6003 case TARGET_NR_sched_getparam:
5cd4393b 6004 {
53a5960a 6005 struct sched_param *target_schp;
5cd4393b
FB		 6006 struct sched_param schp;
6007 ret = get_errno(sched_getparam(arg1, &schp));
6008 if (!is_error(ret)) {
579a97f7
FB		 6009 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
6010 goto efault;
5cd4393b 6011 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 6012 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 6013 }
6014 }
6015 break;
31e31b8a 6016 case TARGET_NR_sched_setscheduler:
5cd4393b 6017 {
53a5960a 6018 struct sched_param *target_schp;
5cd4393b 6019 struct sched_param schp;
579a97f7
FB		 6020 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
6021 goto efault;
5cd4393b 6022 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6023 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 6024 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
6025 }
6026 break;
31e31b8a 6027 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 6028 ret = get_errno(sched_getscheduler(arg1));
6029 break;
31e31b8a
FB		 6030 case TARGET_NR_sched_yield:
6031 ret = get_errno(sched_yield());
6032 break;
6033 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 6034 ret = get_errno(sched_get_priority_max(arg1));
6035 break;
31e31b8a 6036 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 6037 ret = get_errno(sched_get_priority_min(arg1));
6038 break;
31e31b8a 6039 case TARGET_NR_sched_rr_get_interval:
5cd4393b 6040 {
5cd4393b
FB		 6041 struct timespec ts;
6042 ret = get_errno(sched_rr_get_interval(arg1, &ts));
6043 if (!is_error(ret)) {
53a5960a 6044 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 6045 }
6046 }
6047 break;
31e31b8a 6048 case TARGET_NR_nanosleep:
1b6b029e 6049 {
1b6b029e 6050 struct timespec req, rem;
53a5960a 6051 target_to_host_timespec(&req, arg1);
1b6b029e 6052 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 6053 if (is_error(ret) && arg2) {
6054 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 6055 }
6056 }
6057 break;
e5febef5 6058#ifdef TARGET_NR_query_module
31e31b8a 6059 case TARGET_NR_query_module:
5cd4393b 6060 goto unimplemented;
e5febef5
TS		 6061#endif
6062#ifdef TARGET_NR_nfsservctl
31e31b8a 6063 case TARGET_NR_nfsservctl:
5cd4393b 6064 goto unimplemented;
e5febef5 6065#endif
31e31b8a 6066 case TARGET_NR_prctl:
e5574487
TS		 6067 switch (arg1)
6068 {
6069 case PR_GET_PDEATHSIG:
6070 {
6071 int deathsig;
6072 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 6073 if (!is_error(ret) && arg2
6074 && put_user_ual(deathsig, arg2))
6075 goto efault;
e5574487
TS		 6076 }
6077 break;
6078 default:
6079 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6080 break;
6081 }
39b9aae1 6082 break;
d2fd1af7
FB		 6083#ifdef TARGET_NR_arch_prctl
6084 case TARGET_NR_arch_prctl:
6085#if defined(TARGET_I386) && !defined(TARGET_ABI32)
6086 ret = do_arch_prctl(cpu_env, arg1, arg2);
6087 break;
6088#else
6089 goto unimplemented;
6090#endif
6091#endif
67867308 6092#ifdef TARGET_NR_pread
31e31b8a 6093 case TARGET_NR_pread:
a4ae00bc
AZ		 6094#ifdef TARGET_ARM
6095 if (((CPUARMState *)cpu_env)->eabi)
6096 arg4 = arg5;
6097#endif
579a97f7
FB		 6098 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6099 goto efault;
53a5960a
PB		 6100 ret = get_errno(pread(arg1, p, arg3, arg4));
6101 unlock_user(p, arg2, ret);
206f0fa7 6102 break;
31e31b8a 6103 case TARGET_NR_pwrite:
a4ae00bc
AZ		 6104#ifdef TARGET_ARM
6105 if (((CPUARMState *)cpu_env)->eabi)
6106 arg4 = arg5;
6107#endif
579a97f7
FB		 6108 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6109 goto efault;
53a5960a
PB		 6110 ret = get_errno(pwrite(arg1, p, arg3, arg4));
6111 unlock_user(p, arg2, 0);
206f0fa7 6112 break;
f2c7ba15
AJ		 6113#endif
6114#ifdef TARGET_NR_pread64
6115 case TARGET_NR_pread64:
6116 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6117 goto efault;
6118 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6119 unlock_user(p, arg2, ret);
6120 break;
6121 case TARGET_NR_pwrite64:
6122 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6123 goto efault;
6124 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6125 unlock_user(p, arg2, 0);
6126 break;
67867308 6127#endif
31e31b8a 6128 case TARGET_NR_getcwd:
579a97f7
FB		 6129 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6130 goto efault;
53a5960a
PB		 6131 ret = get_errno(sys_getcwd1(p, arg2));
6132 unlock_user(p, arg1, ret);
31e31b8a
FB		 6133 break;
6134 case TARGET_NR_capget:
5cd4393b 6135 goto unimplemented;
31e31b8a 6136 case TARGET_NR_capset:
5cd4393b 6137 goto unimplemented;
31e31b8a 6138 case TARGET_NR_sigaltstack:
198a74de 6139#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154
LV		 6140 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
6141 defined(TARGET_M68K)
579a97f7 6142 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
a04e134a
TS		 6143 break;
6144#else
5cd4393b 6145 goto unimplemented;
a04e134a 6146#endif
31e31b8a 6147 case TARGET_NR_sendfile:
5cd4393b 6148 goto unimplemented;
ebc05488 6149#ifdef TARGET_NR_getpmsg
31e31b8a 6150 case TARGET_NR_getpmsg:
5cd4393b 6151 goto unimplemented;
ebc05488
FB		 6152#endif
6153#ifdef TARGET_NR_putpmsg
31e31b8a 6154 case TARGET_NR_putpmsg:
5cd4393b 6155 goto unimplemented;
ebc05488 6156#endif
048f6b4d 6157#ifdef TARGET_NR_vfork
31e31b8a 6158 case TARGET_NR_vfork:
d865bab5
PB		 6159 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6160 0, 0, 0, 0));
31e31b8a 6161 break;
048f6b4d 6162#endif
ebc05488 6163#ifdef TARGET_NR_ugetrlimit
31e31b8a 6164 case TARGET_NR_ugetrlimit:
728584be
FB		 6165 {
6166 struct rlimit rlim;
6167 ret = get_errno(getrlimit(arg1, &rlim));
6168 if (!is_error(ret)) {
53a5960a 6169 struct target_rlimit *target_rlim;
579a97f7
FB		 6170 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6171 goto efault;
728584be
FB		 6172 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
6173 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 6174 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 6175 }
6176 break;
6177 }
ebc05488 6178#endif
a315a145 6179#ifdef TARGET_NR_truncate64
31e31b8a 6180 case TARGET_NR_truncate64:
579a97f7
FB		 6181 if (!(p = lock_user_string(arg1)))
6182 goto efault;
53a5960a
PB		 6183 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6184 unlock_user(p, arg1, 0);
667f38b1 6185 break;
a315a145
FB		 6186#endif
6187#ifdef TARGET_NR_ftruncate64
31e31b8a 6188 case TARGET_NR_ftruncate64:
ce4defa0 6189 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 6190 break;
a315a145
FB		 6191#endif
6192#ifdef TARGET_NR_stat64
31e31b8a 6193 case TARGET_NR_stat64:
579a97f7
FB		 6194 if (!(p = lock_user_string(arg1)))
6195 goto efault;
53a5960a
PB		 6196 ret = get_errno(stat(path(p), &st));
6197 unlock_user(p, arg1, 0);
6a24a778
AZ		 6198 if (!is_error(ret))
6199 ret = host_to_target_stat64(cpu_env, arg2, &st);
6200 break;
a315a145
FB		 6201#endif
6202#ifdef TARGET_NR_lstat64
31e31b8a 6203 case TARGET_NR_lstat64:
579a97f7
FB		 6204 if (!(p = lock_user_string(arg1)))
6205 goto efault;
53a5960a
PB		 6206 ret = get_errno(lstat(path(p), &st));
6207 unlock_user(p, arg1, 0);
6a24a778
AZ		 6208 if (!is_error(ret))
6209 ret = host_to_target_stat64(cpu_env, arg2, &st);
6210 break;
a315a145
FB		 6211#endif
6212#ifdef TARGET_NR_fstat64
31e31b8a 6213 case TARGET_NR_fstat64:
6a24a778
AZ		 6214 ret = get_errno(fstat(arg1, &st));
6215 if (!is_error(ret))
6216 ret = host_to_target_stat64(cpu_env, arg2, &st);
6217 break;
ce4defa0 6218#endif
9d33b76b
AJ		 6219#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6220 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6221#ifdef TARGET_NR_fstatat64
6a24a778 6222 case TARGET_NR_fstatat64:
9d33b76b
AJ		 6223#endif
6224#ifdef TARGET_NR_newfstatat
6225 case TARGET_NR_newfstatat:
6226#endif
6a24a778
AZ		 6227 if (!(p = lock_user_string(arg2)))
6228 goto efault;
9d33b76b 6229#ifdef __NR_fstatat64
6a24a778 6230 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 6231#else
6232 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6233#endif
6a24a778
AZ		 6234 if (!is_error(ret))
6235 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 6236 break;
a315a145 6237#endif
67867308
FB		 6238#ifdef USE_UID16
6239 case TARGET_NR_lchown:
579a97f7
FB		 6240 if (!(p = lock_user_string(arg1)))
6241 goto efault;
53a5960a
PB		 6242 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6243 unlock_user(p, arg1, 0);
67867308
FB		 6244 break;
6245 case TARGET_NR_getuid:
6246 ret = get_errno(high2lowuid(getuid()));
6247 break;
6248 case TARGET_NR_getgid:
6249 ret = get_errno(high2lowgid(getgid()));
6250 break;
6251 case TARGET_NR_geteuid:
6252 ret = get_errno(high2lowuid(geteuid()));
6253 break;
6254 case TARGET_NR_getegid:
6255 ret = get_errno(high2lowgid(getegid()));
6256 break;
6257 case TARGET_NR_setreuid:
6258 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6259 break;
6260 case TARGET_NR_setregid:
6261 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6262 break;
6263 case TARGET_NR_getgroups:
6264 {
6265 int gidsetsize = arg1;
53a5960a 6266 uint16_t *target_grouplist;
67867308
FB		 6267 gid_t *grouplist;
6268 int i;
6269
6270 grouplist = alloca(gidsetsize * sizeof(gid_t));
6271 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6272 if (gidsetsize == 0)
6273 break;
67867308 6274 if (!is_error(ret)) {
579a97f7
FB		 6275 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6276 if (!target_grouplist)
6277 goto efault;
a2155fcc 6278 for(i = 0;i < ret; i++)
67867308 6279 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 6280 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 6281 }
6282 }
6283 break;
6284 case TARGET_NR_setgroups:
6285 {
6286 int gidsetsize = arg1;
53a5960a 6287 uint16_t *target_grouplist;
67867308
FB		 6288 gid_t *grouplist;
6289 int i;
6290
6291 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6292 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6293 if (!target_grouplist) {
6294 ret = -TARGET_EFAULT;
6295 goto fail;
6296 }
67867308
FB		 6297 for(i = 0;i < gidsetsize; i++)
6298 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 6299 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 6300 ret = get_errno(setgroups(gidsetsize, grouplist));
6301 }
6302 break;
6303 case TARGET_NR_fchown:
6304 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6305 break;
ccfa72b7
TS		 6306#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6307 case TARGET_NR_fchownat:
579a97f7
FB		 6308 if (!(p = lock_user_string(arg2)))
6309 goto efault;
6310 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6311 unlock_user(p, arg2, 0);
ccfa72b7
TS		 6312 break;
6313#endif
67867308
FB		 6314#ifdef TARGET_NR_setresuid
6315 case TARGET_NR_setresuid:
5fafdf24
TS		 6316 ret = get_errno(setresuid(low2highuid(arg1),
6317 low2highuid(arg2),
67867308
FB		 6318 low2highuid(arg3)));
6319 break;
6320#endif
6321#ifdef TARGET_NR_getresuid
6322 case TARGET_NR_getresuid:
6323 {
53a5960a 6324 uid_t ruid, euid, suid;
67867308
FB		 6325 ret = get_errno(getresuid(&ruid, &euid, &suid));
6326 if (!is_error(ret)) {
2f619698
FB		 6327 if (put_user_u16(high2lowuid(ruid), arg1)
6328 || put_user_u16(high2lowuid(euid), arg2)
6329 || put_user_u16(high2lowuid(suid), arg3))
6330 goto efault;
67867308
FB		 6331 }
6332 }
6333 break;
6334#endif
6335#ifdef TARGET_NR_getresgid
6336 case TARGET_NR_setresgid:
5fafdf24
TS		 6337 ret = get_errno(setresgid(low2highgid(arg1),
6338 low2highgid(arg2),
67867308
FB		 6339 low2highgid(arg3)));
6340 break;
6341#endif
6342#ifdef TARGET_NR_getresgid
6343 case TARGET_NR_getresgid:
6344 {
53a5960a 6345 gid_t rgid, egid, sgid;
67867308
FB		 6346 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6347 if (!is_error(ret)) {
2f619698
FB		 6348 if (put_user_u16(high2lowgid(rgid), arg1)
6349 || put_user_u16(high2lowgid(egid), arg2)
6350 || put_user_u16(high2lowgid(sgid), arg3))
6351 goto efault;
67867308
FB		 6352 }
6353 }
6354 break;
6355#endif
6356 case TARGET_NR_chown:
579a97f7
FB		 6357 if (!(p = lock_user_string(arg1)))
6358 goto efault;
53a5960a
PB		 6359 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6360 unlock_user(p, arg1, 0);
67867308
FB		 6361 break;
6362 case TARGET_NR_setuid:
6363 ret = get_errno(setuid(low2highuid(arg1)));
6364 break;
6365 case TARGET_NR_setgid:
6366 ret = get_errno(setgid(low2highgid(arg1)));
6367 break;
6368 case TARGET_NR_setfsuid:
6369 ret = get_errno(setfsuid(arg1));
6370 break;
6371 case TARGET_NR_setfsgid:
6372 ret = get_errno(setfsgid(arg1));
6373 break;
6374#endif /* USE_UID16 */
6375
a315a145 6376#ifdef TARGET_NR_lchown32
31e31b8a 6377 case TARGET_NR_lchown32:
579a97f7
FB		 6378 if (!(p = lock_user_string(arg1)))
6379 goto efault;
53a5960a
PB		 6380 ret = get_errno(lchown(p, arg2, arg3));
6381 unlock_user(p, arg1, 0);
b03c60f3 6382 break;
a315a145
FB		 6383#endif
6384#ifdef TARGET_NR_getuid32
31e31b8a 6385 case TARGET_NR_getuid32:
b03c60f3
FB		 6386 ret = get_errno(getuid());
6387 break;
a315a145 6388#endif
64b4d28c
AJ		 6389
6390#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6391 /* Alpha specific */
6392 case TARGET_NR_getxuid:
6393 {
6394 uid_t euid;
6395 euid=geteuid();
6396 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6397 }
6398 ret = get_errno(getuid());
6399 break;
6400#endif
6401#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6402 /* Alpha specific */
6403 case TARGET_NR_getxgid:
6404 {
6405 uid_t egid;
6406 egid=getegid();
6407 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6408 }
6409 ret = get_errno(getgid());
6410 break;
6411#endif
6412
a315a145 6413#ifdef TARGET_NR_getgid32
31e31b8a 6414 case TARGET_NR_getgid32:
b03c60f3
FB		 6415 ret = get_errno(getgid());
6416 break;
a315a145
FB		 6417#endif
6418#ifdef TARGET_NR_geteuid32
31e31b8a 6419 case TARGET_NR_geteuid32:
b03c60f3
FB		 6420 ret = get_errno(geteuid());
6421 break;
a315a145
FB		 6422#endif
6423#ifdef TARGET_NR_getegid32
31e31b8a 6424 case TARGET_NR_getegid32:
b03c60f3
FB		 6425 ret = get_errno(getegid());
6426 break;
a315a145
FB		 6427#endif
6428#ifdef TARGET_NR_setreuid32
31e31b8a 6429 case TARGET_NR_setreuid32:
b03c60f3
FB		 6430 ret = get_errno(setreuid(arg1, arg2));
6431 break;
a315a145
FB		 6432#endif
6433#ifdef TARGET_NR_setregid32
31e31b8a 6434 case TARGET_NR_setregid32:
b03c60f3
FB		 6435 ret = get_errno(setregid(arg1, arg2));
6436 break;
a315a145
FB		 6437#endif
6438#ifdef TARGET_NR_getgroups32
31e31b8a 6439 case TARGET_NR_getgroups32:
99c475ab
FB		 6440 {
6441 int gidsetsize = arg1;
53a5960a 6442 uint32_t *target_grouplist;
99c475ab
FB		 6443 gid_t *grouplist;
6444 int i;
6445
6446 grouplist = alloca(gidsetsize * sizeof(gid_t));
6447 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6448 if (gidsetsize == 0)
6449 break;
99c475ab 6450 if (!is_error(ret)) {
579a97f7
FB		 6451 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6452 if (!target_grouplist) {
6453 ret = -TARGET_EFAULT;
6454 goto fail;
6455 }
a2155fcc 6456 for(i = 0;i < ret; i++)
53a5960a
PB		 6457 target_grouplist[i] = tswap32(grouplist[i]);
6458 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 6459 }
6460 }
6461 break;
a315a145
FB		 6462#endif
6463#ifdef TARGET_NR_setgroups32
31e31b8a 6464 case TARGET_NR_setgroups32:
99c475ab
FB		 6465 {
6466 int gidsetsize = arg1;
53a5960a 6467 uint32_t *target_grouplist;
99c475ab
FB		 6468 gid_t *grouplist;
6469 int i;
3b46e624 6470
99c475ab 6471 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6472 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6473 if (!target_grouplist) {
6474 ret = -TARGET_EFAULT;
6475 goto fail;
6476 }
99c475ab 6477 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 6478 grouplist[i] = tswap32(target_grouplist[i]);
6479 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 6480 ret = get_errno(setgroups(gidsetsize, grouplist));
6481 }
6482 break;
a315a145
FB		 6483#endif
6484#ifdef TARGET_NR_fchown32
31e31b8a 6485 case TARGET_NR_fchown32:
b03c60f3
FB		 6486 ret = get_errno(fchown(arg1, arg2, arg3));
6487 break;
a315a145
FB		 6488#endif
6489#ifdef TARGET_NR_setresuid32
31e31b8a 6490 case TARGET_NR_setresuid32:
b03c60f3
FB		 6491 ret = get_errno(setresuid(arg1, arg2, arg3));
6492 break;
a315a145
FB		 6493#endif
6494#ifdef TARGET_NR_getresuid32
31e31b8a 6495 case TARGET_NR_getresuid32:
b03c60f3 6496 {
53a5960a 6497 uid_t ruid, euid, suid;
b03c60f3
FB		 6498 ret = get_errno(getresuid(&ruid, &euid, &suid));
6499 if (!is_error(ret)) {
2f619698
FB		 6500 if (put_user_u32(ruid, arg1)
6501 || put_user_u32(euid, arg2)
6502 || put_user_u32(suid, arg3))
6503 goto efault;
b03c60f3
FB		 6504 }
6505 }
6506 break;
a315a145
FB		 6507#endif
6508#ifdef TARGET_NR_setresgid32
31e31b8a 6509 case TARGET_NR_setresgid32:
b03c60f3
FB		 6510 ret = get_errno(setresgid(arg1, arg2, arg3));
6511 break;
a315a145
FB		 6512#endif
6513#ifdef TARGET_NR_getresgid32
31e31b8a 6514 case TARGET_NR_getresgid32:
b03c60f3 6515 {
53a5960a 6516 gid_t rgid, egid, sgid;
b03c60f3
FB		 6517 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6518 if (!is_error(ret)) {
2f619698
FB		 6519 if (put_user_u32(rgid, arg1)
6520 || put_user_u32(egid, arg2)
6521 || put_user_u32(sgid, arg3))
6522 goto efault;
b03c60f3
FB		 6523 }
6524 }
6525 break;
a315a145
FB		 6526#endif
6527#ifdef TARGET_NR_chown32
31e31b8a 6528 case TARGET_NR_chown32:
579a97f7
FB		 6529 if (!(p = lock_user_string(arg1)))
6530 goto efault;
53a5960a
PB		 6531 ret = get_errno(chown(p, arg2, arg3));
6532 unlock_user(p, arg1, 0);
b03c60f3 6533 break;
a315a145
FB		 6534#endif
6535#ifdef TARGET_NR_setuid32
31e31b8a 6536 case TARGET_NR_setuid32:
b03c60f3
FB		 6537 ret = get_errno(setuid(arg1));
6538 break;
a315a145
FB		 6539#endif
6540#ifdef TARGET_NR_setgid32
31e31b8a 6541 case TARGET_NR_setgid32:
b03c60f3
FB		 6542 ret = get_errno(setgid(arg1));
6543 break;
a315a145
FB		 6544#endif
6545#ifdef TARGET_NR_setfsuid32
31e31b8a 6546 case TARGET_NR_setfsuid32:
b03c60f3
FB		 6547 ret = get_errno(setfsuid(arg1));
6548 break;
a315a145
FB		 6549#endif
6550#ifdef TARGET_NR_setfsgid32
31e31b8a 6551 case TARGET_NR_setfsgid32:
b03c60f3
FB		 6552 ret = get_errno(setfsgid(arg1));
6553 break;
a315a145 6554#endif
67867308 6555
31e31b8a 6556 case TARGET_NR_pivot_root:
b03c60f3 6557 goto unimplemented;
ffa65c3b 6558#ifdef TARGET_NR_mincore
31e31b8a 6559 case TARGET_NR_mincore:
04bb9ace
AJ		 6560 {
6561 void *a;
6562 ret = -TARGET_EFAULT;
6563 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6564 goto efault;
6565 if (!(p = lock_user_string(arg3)))
6566 goto mincore_fail;
6567 ret = get_errno(mincore(a, arg2, p));
6568 unlock_user(p, arg3, ret);
6569 mincore_fail:
6570 unlock_user(a, arg1, 0);
6571 }
6572 break;
ffa65c3b 6573#endif
408321b6
AJ		 6574#ifdef TARGET_NR_arm_fadvise64_64
6575 case TARGET_NR_arm_fadvise64_64:
6576 {
6577 /*
6578 * arm_fadvise64_64 looks like fadvise64_64 but
6579 * with different argument order
6580 */
6581 abi_long temp;
6582 temp = arg3;
6583 arg3 = arg4;
6584 arg4 = temp;
6585 }
6586#endif
e72d2cc7 6587#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 6588#ifdef TARGET_NR_fadvise64_64
6589 case TARGET_NR_fadvise64_64:
6590#endif
e72d2cc7
UH		 6591#ifdef TARGET_NR_fadvise64
6592 case TARGET_NR_fadvise64:
6593#endif
6594#ifdef TARGET_S390X
6595 switch (arg4) {
6596 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
6597 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
6598 case 6: arg4 = POSIX_FADV_DONTNEED; break;
6599 case 7: arg4 = POSIX_FADV_NOREUSE; break;
6600 default: break;
6601 }
6602#endif
6603 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 6604 break;
6605#endif
ffa65c3b 6606#ifdef TARGET_NR_madvise
31e31b8a 6607 case TARGET_NR_madvise:
24836689
PB		 6608 /* A straight passthrough may not be safe because qemu sometimes
6609 turns private flie-backed mappings into anonymous mappings.
6610 This will break MADV_DONTNEED.
6611 This is a hint, so ignoring and returning success is ok. */
6612 ret = get_errno(0);
6613 break;
ffa65c3b 6614#endif
992f48a0 6615#if TARGET_ABI_BITS == 32
31e31b8a 6616 case TARGET_NR_fcntl64:
77e4672d 6617 {
b1e341eb 6618 int cmd;
77e4672d 6619 struct flock64 fl;
53a5960a 6620 struct target_flock64 *target_fl;
ce4defa0 6621#ifdef TARGET_ARM
53a5960a 6622 struct target_eabi_flock64 *target_efl;
ce4defa0 6623#endif
77e4672d 6624
5f106811
APR		 6625 cmd = target_to_host_fcntl_cmd(arg2);
6626 if (cmd == -TARGET_EINVAL)
6627 return cmd;
b1e341eb 6628
60cd49d5 6629 switch(arg2) {
b1e341eb 6630 case TARGET_F_GETLK64:
5813427b
TS		 6631#ifdef TARGET_ARM
6632 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6633 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6634 goto efault;
5813427b
TS		 6635 fl.l_type = tswap16(target_efl->l_type);
6636 fl.l_whence = tswap16(target_efl->l_whence);
6637 fl.l_start = tswap64(target_efl->l_start);
6638 fl.l_len = tswap64(target_efl->l_len);
7e22e546 6639 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 6640 unlock_user_struct(target_efl, arg3, 0);
6641 } else
6642#endif
6643 {
9ee1fa2c
FB		 6644 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6645 goto efault;
5813427b
TS		 6646 fl.l_type = tswap16(target_fl->l_type);
6647 fl.l_whence = tswap16(target_fl->l_whence);
6648 fl.l_start = tswap64(target_fl->l_start);
6649 fl.l_len = tswap64(target_fl->l_len);
7e22e546 6650 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 6651 unlock_user_struct(target_fl, arg3, 0);
6652 }
b1e341eb 6653 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6654 if (ret == 0) {
ce4defa0
PB		 6655#ifdef TARGET_ARM
6656 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6657 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6658 goto efault;
ce4defa0
PB		 6659 target_efl->l_type = tswap16(fl.l_type);
6660 target_efl->l_whence = tswap16(fl.l_whence);
6661 target_efl->l_start = tswap64(fl.l_start);
6662 target_efl->l_len = tswap64(fl.l_len);
7e22e546 6663 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 6664 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 6665 } else
6666#endif
6667 {
9ee1fa2c
FB		 6668 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6669 goto efault;
ce4defa0
PB		 6670 target_fl->l_type = tswap16(fl.l_type);
6671 target_fl->l_whence = tswap16(fl.l_whence);
6672 target_fl->l_start = tswap64(fl.l_start);
6673 target_fl->l_len = tswap64(fl.l_len);
7e22e546 6674 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 6675 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 6676 }
77e4672d
FB		 6677 }
6678 break;
6679
b1e341eb
TS		 6680 case TARGET_F_SETLK64:
6681 case TARGET_F_SETLKW64:
ce4defa0
PB		 6682#ifdef TARGET_ARM
6683 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6684 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6685 goto efault;
ce4defa0
PB		 6686 fl.l_type = tswap16(target_efl->l_type);
6687 fl.l_whence = tswap16(target_efl->l_whence);
6688 fl.l_start = tswap64(target_efl->l_start);
6689 fl.l_len = tswap64(target_efl->l_len);
7e22e546 6690 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 6691 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 6692 } else
6693#endif
6694 {
9ee1fa2c
FB		 6695 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6696 goto efault;
ce4defa0
PB		 6697 fl.l_type = tswap16(target_fl->l_type);
6698 fl.l_whence = tswap16(target_fl->l_whence);
6699 fl.l_start = tswap64(target_fl->l_start);
6700 fl.l_len = tswap64(target_fl->l_len);
7e22e546 6701 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 6702 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 6703 }
b1e341eb 6704 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6705 break;
60cd49d5 6706 default:
5f106811 6707 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 6708 break;
6709 }
77e4672d
FB		 6710 break;
6711 }
60cd49d5 6712#endif
7d600c80
TS		 6713#ifdef TARGET_NR_cacheflush
6714 case TARGET_NR_cacheflush:
6715 /* self-modifying code is handled automatically, so nothing needed */
6716 ret = 0;
6717 break;
6718#endif
ebc05488 6719#ifdef TARGET_NR_security
31e31b8a
FB		 6720 case TARGET_NR_security:
6721 goto unimplemented;
c573ff67
FB		 6722#endif
6723#ifdef TARGET_NR_getpagesize
6724 case TARGET_NR_getpagesize:
6725 ret = TARGET_PAGE_SIZE;
6726 break;
ebc05488 6727#endif
31e31b8a
FB		 6728 case TARGET_NR_gettid:
6729 ret = get_errno(gettid());
6730 break;
e5febef5 6731#ifdef TARGET_NR_readahead
31e31b8a 6732 case TARGET_NR_readahead:
2054ac9b
AJ		 6733#if TARGET_ABI_BITS == 32
6734#ifdef TARGET_ARM
6735 if (((CPUARMState *)cpu_env)->eabi)
6736 {
6737 arg2 = arg3;
6738 arg3 = arg4;
6739 arg4 = arg5;
6740 }
6741#endif
6742 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
6743#else
6744 ret = get_errno(readahead(arg1, arg2, arg3));
6745#endif
6746 break;
e5febef5 6747#endif
ebc05488 6748#ifdef TARGET_NR_setxattr
31e31b8a
FB		 6749 case TARGET_NR_setxattr:
6750 case TARGET_NR_lsetxattr:
6751 case TARGET_NR_fsetxattr:
6752 case TARGET_NR_getxattr:
6753 case TARGET_NR_lgetxattr:
6754 case TARGET_NR_fgetxattr:
6755 case TARGET_NR_listxattr:
6756 case TARGET_NR_llistxattr:
6757 case TARGET_NR_flistxattr:
6758 case TARGET_NR_removexattr:
6759 case TARGET_NR_lremovexattr:
6760 case TARGET_NR_fremovexattr:
6f932f91
AP		 6761 ret = -TARGET_EOPNOTSUPP;
6762 break;
ebc05488
FB		 6763#endif
6764#ifdef TARGET_NR_set_thread_area
5cd4393b 6765 case TARGET_NR_set_thread_area:
8d18e893 6766#if defined(TARGET_MIPS)
6f5b89a0
TS		 6767 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
6768 ret = 0;
6769 break;
ef96779b
EI		 6770#elif defined(TARGET_CRIS)
6771 if (arg1 & 0xff)
6772 ret = -TARGET_EINVAL;
6773 else {
6774 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
6775 ret = 0;
6776 }
6777 break;
8d18e893
FB		 6778#elif defined(TARGET_I386) && defined(TARGET_ABI32)
6779 ret = do_set_thread_area(cpu_env, arg1);
6780 break;
6f5b89a0
TS		 6781#else
6782 goto unimplemented_nowarn;
6783#endif
6784#endif
6785#ifdef TARGET_NR_get_thread_area
5cd4393b 6786 case TARGET_NR_get_thread_area:
8d18e893
FB		 6787#if defined(TARGET_I386) && defined(TARGET_ABI32)
6788 ret = do_get_thread_area(cpu_env, arg1);
6789#else
5cd4393b 6790 goto unimplemented_nowarn;
48dc41eb 6791#endif
8d18e893 6792#endif
48dc41eb
FB		 6793#ifdef TARGET_NR_getdomainname
6794 case TARGET_NR_getdomainname:
6795 goto unimplemented_nowarn;
ebc05488 6796#endif
6f5b89a0 6797
b5906f95
TS		 6798#ifdef TARGET_NR_clock_gettime
6799 case TARGET_NR_clock_gettime:
6800 {
6801 struct timespec ts;
6802 ret = get_errno(clock_gettime(arg1, &ts));
6803 if (!is_error(ret)) {
6804 host_to_target_timespec(arg2, &ts);
6805 }
6806 break;
6807 }
6808#endif
6809#ifdef TARGET_NR_clock_getres
6810 case TARGET_NR_clock_getres:
6811 {
6812 struct timespec ts;
6813 ret = get_errno(clock_getres(arg1, &ts));
6814 if (!is_error(ret)) {
6815 host_to_target_timespec(arg2, &ts);
6816 }
6817 break;
6818 }
6819#endif
63d7651b
PB		 6820#ifdef TARGET_NR_clock_nanosleep
6821 case TARGET_NR_clock_nanosleep:
6822 {
6823 struct timespec ts;
6824 target_to_host_timespec(&ts, arg3);
6825 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
6826 if (arg4)
6827 host_to_target_timespec(arg4, &ts);
6828 break;
6829 }
6830#endif
b5906f95 6831
6f5b89a0
TS		 6832#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
6833 case TARGET_NR_set_tid_address:
579a97f7
FB		 6834 ret = get_errno(set_tid_address((int *)g2h(arg1)));
6835 break;
6f5b89a0
TS		 6836#endif
6837
3ae43202 6838#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 6839 case TARGET_NR_tkill:
4cb05961 6840 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 6841 break;
6842#endif
6843
3ae43202 6844#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 6845 case TARGET_NR_tgkill:
4cb05961
PB		 6846 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
6847 target_to_host_signal(arg3)));
71455574
TS		 6848 break;
6849#endif
6850
4f2b1fe8
TS		 6851#ifdef TARGET_NR_set_robust_list
6852 case TARGET_NR_set_robust_list:
6853 goto unimplemented_nowarn;
6854#endif
6855
9007f0ef
TS		 6856#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
6857 case TARGET_NR_utimensat:
6858 {
ebc996f3
RV		 6859 struct timespec *tsp, ts[2];
6860 if (!arg3) {
6861 tsp = NULL;
6862 } else {
6863 target_to_host_timespec(ts, arg3);
6864 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
6865 tsp = ts;
6866 }
9007f0ef 6867 if (!arg2)
ebc996f3 6868 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 6869 else {
579a97f7 6870 if (!(p = lock_user_string(arg2))) {
0da46a6e 6871 ret = -TARGET_EFAULT;
579a97f7
FB		 6872 goto fail;
6873 }
ebc996f3 6874 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 6875 unlock_user(p, arg2, 0);
9007f0ef
TS		 6876 }
6877 }
6878 break;
6879#endif
2f7bb878 6880#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 6881 case TARGET_NR_futex:
6882 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
6883 break;
6884#endif
dbfe4c36 6885#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 6886 case TARGET_NR_inotify_init:
6887 ret = get_errno(sys_inotify_init());
6888 break;
6889#endif
dbfe4c36 6890#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 6891 case TARGET_NR_inotify_add_watch:
6892 p = lock_user_string(arg2);
6893 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
6894 unlock_user(p, arg2, 0);
6895 break;
6896#endif
dbfe4c36 6897#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 6898 case TARGET_NR_inotify_rm_watch:
6899 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
6900 break;
6901#endif
9007f0ef 6902
8ec9cf89 6903#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 6904 case TARGET_NR_mq_open:
6905 {
6906 struct mq_attr posix_mq_attr;
6907
6908 p = lock_user_string(arg1 - 1);
6909 if (arg4 != 0)
6910 copy_from_user_mq_attr (&posix_mq_attr, arg4);
6911 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
6912 unlock_user (p, arg1, 0);
6913 }
6914 break;
6915
6916 case TARGET_NR_mq_unlink:
6917 p = lock_user_string(arg1 - 1);
6918 ret = get_errno(mq_unlink(p));
6919 unlock_user (p, arg1, 0);
6920 break;
6921
6922 case TARGET_NR_mq_timedsend:
6923 {
6924 struct timespec ts;
6925
6926 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6927 if (arg5 != 0) {
6928 target_to_host_timespec(&ts, arg5);
6929 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
6930 host_to_target_timespec(arg5, &ts);
6931 }
6932 else
6933 ret = get_errno(mq_send(arg1, p, arg3, arg4));
6934 unlock_user (p, arg2, arg3);
6935 }
6936 break;
6937
6938 case TARGET_NR_mq_timedreceive:
6939 {
6940 struct timespec ts;
6941 unsigned int prio;
6942
6943 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6944 if (arg5 != 0) {
6945 target_to_host_timespec(&ts, arg5);
6946 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
6947 host_to_target_timespec(arg5, &ts);
6948 }
6949 else
6950 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
6951 unlock_user (p, arg2, arg3);
6952 if (arg4 != 0)
6953 put_user_u32(prio, arg4);
6954 }
6955 break;
6956
6957 /* Not implemented for now... */
6958/* case TARGET_NR_mq_notify: */
6959/* break; */
6960
6961 case TARGET_NR_mq_getsetattr:
6962 {
6963 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
6964 ret = 0;
6965 if (arg3 != 0) {
6966 ret = mq_getattr(arg1, &posix_mq_attr_out);
6967 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
6968 }
6969 if (arg2 != 0) {
6970 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
6971 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
6972 }
6973
6974 }
6975 break;
6976#endif
6977
3ce34dfb 6978#ifdef CONFIG_SPLICE
6979#ifdef TARGET_NR_tee
6980 case TARGET_NR_tee:
6981 {
6982 ret = get_errno(tee(arg1,arg2,arg3,arg4));
6983 }
6984 break;
6985#endif
6986#ifdef TARGET_NR_splice
6987 case TARGET_NR_splice:
6988 {
6989 loff_t loff_in, loff_out;
6990 loff_t *ploff_in = NULL, *ploff_out = NULL;
6991 if(arg2) {
6992 get_user_u64(loff_in, arg2);
6993 ploff_in = &loff_in;
6994 }
6995 if(arg4) {
6996 get_user_u64(loff_out, arg2);
6997 ploff_out = &loff_out;
6998 }
6999 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
7000 }
7001 break;
7002#endif
7003#ifdef TARGET_NR_vmsplice
7004 case TARGET_NR_vmsplice:
7005 {
7006 int count = arg3;
7007 struct iovec *vec;
7008
7009 vec = alloca(count * sizeof(struct iovec));
7010 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
7011 goto efault;
7012 ret = get_errno(vmsplice(arg1, vec, count, arg4));
7013 unlock_iovec(vec, arg2, count, 0);
7014 }
7015 break;
7016#endif
7017#endif /* CONFIG_SPLICE */
c2882b96
RV		 7018#ifdef CONFIG_EVENTFD
7019#if defined(TARGET_NR_eventfd)
7020 case TARGET_NR_eventfd:
7021 ret = get_errno(eventfd(arg1, 0));
7022 break;
7023#endif
7024#if defined(TARGET_NR_eventfd2)
7025 case TARGET_NR_eventfd2:
7026 ret = get_errno(eventfd(arg1, arg2));
7027 break;
7028#endif
7029#endif /* CONFIG_EVENTFD */
d0927938
UH		 7030#if defined(CONFIG_FALLOCATE) && defined(TARGET_NR_fallocate)
7031 case TARGET_NR_fallocate:
7032 ret = get_errno(fallocate(arg1, arg2, arg3, arg4));
7033 break;
7034#endif
31e31b8a
FB		 7035 default:
7036 unimplemented:
5cd4393b 7037 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 7038#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 7039 unimplemented_nowarn:
80a9d035 7040#endif
0da46a6e 7041 ret = -TARGET_ENOSYS;
31e31b8a
FB		 7042 break;
7043 }
579a97f7 7044fail:
c573ff67 7045#ifdef DEBUG
0bf9e31a 7046 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 7047#endif
b92c47c1
TS		 7048 if(do_strace)
7049 print_syscall_ret(num, ret);
31e31b8a 7050 return ret;
579a97f7
FB		 7051efault:
7052 ret = -TARGET_EFAULT;
7053 goto fail;
31e31b8a 7054}
Qemu copy for testing