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[qemu.git] / linux-user / syscall.c
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31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
8167ee88 17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
31e31b8a 18 */
d5b3a9b6 19#define _ATFILE_SOURCE
31e31b8a
FB		 20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
82e671d9 30#include <limits.h>
31e31b8a 31#include <sys/types.h>
d08d3bb8
TS		 32#include <sys/ipc.h>
33#include <sys/msg.h>
31e31b8a
FB		 34#include <sys/wait.h>
35#include <sys/time.h>
36#include <sys/stat.h>
37#include <sys/mount.h>
39b9aae1 38#include <sys/prctl.h>
31e31b8a
FB		 39#include <sys/resource.h>
40#include <sys/mman.h>
41#include <sys/swap.h>
42#include <signal.h>
43#include <sched.h>
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>
d7e4036e 82#include "linux_loop.h"
31e31b8a 83
3ef693a0 84#include "qemu.h"
526ccb7a 85#include "qemu-common.h"
31e31b8a 86
2f7bb878 87#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 88#define CLONE_NPTL_FLAGS2 (CLONE_SETTLS | \
89 CLONE_PARENT_SETTID | CLONE_CHILD_SETTID | CLONE_CHILD_CLEARTID)
90#else
91/* XXX: Hardcode the above values. */
92#define CLONE_NPTL_FLAGS2 0
30813cea
PB		 93#endif
94
72f03900 95//#define DEBUG
31e31b8a 96
1a9353d2 97//#include <linux/msdos_fs.h>
6556a833
AJ		 98#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct linux_dirent [2])
99#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct linux_dirent [2])
1a9353d2 100
70a194b9 101
70a194b9
FB		 102#undef _syscall0
103#undef _syscall1
104#undef _syscall2
105#undef _syscall3
106#undef _syscall4
107#undef _syscall5
83fcb515 108#undef _syscall6
70a194b9 109
83fcb515 110#define _syscall0(type,name) \
8fcd3692 111static type name (void) \
83fcb515
FB		 112{ \
113 return syscall(__NR_##name); \
114}
70a194b9 115
83fcb515 116#define _syscall1(type,name,type1,arg1) \
8fcd3692 117static type name (type1 arg1) \
83fcb515
FB		 118{ \
119 return syscall(__NR_##name, arg1); \
70a194b9
FB		 120}
121
83fcb515 122#define _syscall2(type,name,type1,arg1,type2,arg2) \
8fcd3692 123static type name (type1 arg1,type2 arg2) \
83fcb515
FB		 124{ \
125 return syscall(__NR_##name, arg1, arg2); \
70a194b9
FB		 126}
127
83fcb515 128#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
8fcd3692 129static type name (type1 arg1,type2 arg2,type3 arg3) \
83fcb515
FB		 130{ \
131 return syscall(__NR_##name, arg1, arg2, arg3); \
70a194b9
FB		 132}
133
83fcb515 134#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
8fcd3692 135static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4) \
83fcb515
FB		 136{ \
137 return syscall(__NR_##name, arg1, arg2, arg3, arg4); \
70a194b9
FB		 138}
139
83fcb515
FB		 140#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
141 type5,arg5) \
8fcd3692 142static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
83fcb515
FB		 143{ \
144 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5); \
70a194b9
FB		 145}
146
83fcb515
FB		 147
148#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
149 type5,arg5,type6,arg6) \
8fcd3692
BS		 150static type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, \
151 type6 arg6) \
83fcb515
FB		 152{ \
153 return syscall(__NR_##name, arg1, arg2, arg3, arg4, arg5, arg6); \
70a194b9 154}
83fcb515 155
70a194b9 156
31e31b8a 157#define __NR_sys_uname __NR_uname
92a34c10 158#define __NR_sys_faccessat __NR_faccessat
814d7977 159#define __NR_sys_fchmodat __NR_fchmodat
ccfa72b7 160#define __NR_sys_fchownat __NR_fchownat
6a24a778 161#define __NR_sys_fstatat64 __NR_fstatat64
ac8a6556 162#define __NR_sys_futimesat __NR_futimesat
72f03900 163#define __NR_sys_getcwd1 __NR_getcwd
72f03900 164#define __NR_sys_getdents __NR_getdents
dab2ed99 165#define __NR_sys_getdents64 __NR_getdents64
c6cda17a 166#define __NR_sys_getpriority __NR_getpriority
64f0ce4c 167#define __NR_sys_linkat __NR_linkat
4472ad0d 168#define __NR_sys_mkdirat __NR_mkdirat
75ac37a0 169#define __NR_sys_mknodat __NR_mknodat
9d33b76b 170#define __NR_sys_newfstatat __NR_newfstatat
82424832 171#define __NR_sys_openat __NR_openat
5e0ccb18 172#define __NR_sys_readlinkat __NR_readlinkat
722183f6 173#define __NR_sys_renameat __NR_renameat
66fb9763 174#define __NR_sys_rt_sigqueueinfo __NR_rt_sigqueueinfo
f0b6243d 175#define __NR_sys_symlinkat __NR_symlinkat
7494b0f9 176#define __NR_sys_syslog __NR_syslog
71455574 177#define __NR_sys_tgkill __NR_tgkill
4cae1d16 178#define __NR_sys_tkill __NR_tkill
8170f56b 179#define __NR_sys_unlinkat __NR_unlinkat
9007f0ef 180#define __NR_sys_utimensat __NR_utimensat
bd0c5661 181#define __NR_sys_futex __NR_futex
39b59763
AJ		 182#define __NR_sys_inotify_init __NR_inotify_init
183#define __NR_sys_inotify_add_watch __NR_inotify_add_watch
184#define __NR_sys_inotify_rm_watch __NR_inotify_rm_watch
31e31b8a 185
bc51c5c9 186#if defined(__alpha__) || defined (__ia64__) || defined(__x86_64__)
9af9eaaa
FB		 187#define __NR__llseek __NR_lseek
188#endif
189
72f03900 190#ifdef __NR_gettid
31e31b8a 191_syscall0(int, gettid)
72f03900 192#else
0da46a6e
TS		 193/* This is a replacement for the host gettid() and must return a host
194 errno. */
72f03900
FB		 195static int gettid(void) {
196 return -ENOSYS;
197}
198#endif
3b3f24ad 199_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
3b3f24ad
AJ		 200#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
201_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
202#endif
203_syscall2(int, sys_getpriority, int, which, int, who);
909b69cf 204#if defined(TARGET_NR__llseek) && !defined (__x86_64__)
3b3f24ad
AJ		 205_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
206 loff_t *, res, uint, wh);
207#endif
208_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
209_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
210#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
211_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
212#endif
213#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
214_syscall2(int,sys_tkill,int,tid,int,sig)
215#endif
216#ifdef __NR_exit_group
217_syscall1(int,exit_group,int,error_code)
218#endif
219#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
220_syscall1(int,set_tid_address,int *,tidptr)
221#endif
2f7bb878 222#if defined(CONFIG_USE_NPTL)
3b3f24ad
AJ		 223#if defined(TARGET_NR_futex) && defined(__NR_futex)
224_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
225 const struct timespec *,timeout,int *,uaddr2,int,val3)
226#endif
227#endif
228
229static bitmask_transtbl fcntl_flags_tbl[] = {
230 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
231 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
232 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
233 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
234 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
235 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
236 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
237 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
238 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
239 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
240 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
241 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
242 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
243#if defined(O_DIRECT)
244 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
245#endif
246 { 0, 0, 0, 0 }
247};
248
249#define COPY_UTSNAME_FIELD(dest, src) \
250 do { \
251 /* __NEW_UTS_LEN doesn't include terminating null */ \
252 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
253 (dest)[__NEW_UTS_LEN] = '\0'; \
254 } while (0)
255
256static int sys_uname(struct new_utsname *buf)
257{
258 struct utsname uts_buf;
259
260 if (uname(&uts_buf) < 0)
261 return (-1);
262
263 /*
264 * Just in case these have some differences, we
265 * translate utsname to new_utsname (which is the
266 * struct linux kernel uses).
267 */
268
269 bzero(buf, sizeof (*buf));
270 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
271 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
272 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
273 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
274 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
275#ifdef _GNU_SOURCE
276 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
277#endif
278 return (0);
279
280#undef COPY_UTSNAME_FIELD
281}
282
283static int sys_getcwd1(char *buf, size_t size)
284{
285 if (getcwd(buf, size) == NULL) {
286 /* getcwd() sets errno */
287 return (-1);
288 }
aaf4ad39 289 return strlen(buf)+1;
3b3f24ad
AJ		 290}
291
292#ifdef CONFIG_ATFILE
293/*
294 * Host system seems to have atfile syscall stubs available. We
295 * now enable them one by one as specified by target syscall_nr.h.
296 */
297
298#ifdef TARGET_NR_faccessat
465c9f06 299static int sys_faccessat(int dirfd, const char *pathname, int mode)
3b3f24ad 300{
465c9f06 301 return (faccessat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 302}
303#endif
304#ifdef TARGET_NR_fchmodat
465c9f06 305static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
3b3f24ad 306{
465c9f06 307 return (fchmodat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 308}
309#endif
fda33744 310#if defined(TARGET_NR_fchownat) && defined(USE_UID16)
3b3f24ad
AJ		 311static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
312 gid_t group, int flags)
313{
314 return (fchownat(dirfd, pathname, owner, group, flags));
315}
316#endif
317#ifdef __NR_fstatat64
318static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
319 int flags)
320{
321 return (fstatat(dirfd, pathname, buf, flags));
322}
323#endif
324#ifdef __NR_newfstatat
325static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
326 int flags)
327{
328 return (fstatat(dirfd, pathname, buf, flags));
329}
330#endif
331#ifdef TARGET_NR_futimesat
332static int sys_futimesat(int dirfd, const char *pathname,
333 const struct timeval times[2])
334{
335 return (futimesat(dirfd, pathname, times));
336}
337#endif
338#ifdef TARGET_NR_linkat
339static int sys_linkat(int olddirfd, const char *oldpath,
340 int newdirfd, const char *newpath, int flags)
341{
342 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
343}
344#endif
345#ifdef TARGET_NR_mkdirat
346static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
347{
348 return (mkdirat(dirfd, pathname, mode));
349}
350#endif
351#ifdef TARGET_NR_mknodat
352static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
353 dev_t dev)
354{
355 return (mknodat(dirfd, pathname, mode, dev));
356}
357#endif
358#ifdef TARGET_NR_openat
359static int sys_openat(int dirfd, const char *pathname, int flags, ...)
360{
361 /*
362 * open(2) has extra parameter 'mode' when called with
363 * flag O_CREAT.
364 */
365 if ((flags & O_CREAT) != 0) {
366 va_list ap;
367 mode_t mode;
368
369 /*
370 * Get the 'mode' parameter and translate it to
371 * host bits.
372 */
373 va_start(ap, flags);
374 mode = va_arg(ap, mode_t);
375 mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
376 va_end(ap);
377
378 return (openat(dirfd, pathname, flags, mode));
379 }
380 return (openat(dirfd, pathname, flags));
381}
382#endif
383#ifdef TARGET_NR_readlinkat
384static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
385{
386 return (readlinkat(dirfd, pathname, buf, bufsiz));
387}
388#endif
389#ifdef TARGET_NR_renameat
390static int sys_renameat(int olddirfd, const char *oldpath,
391 int newdirfd, const char *newpath)
392{
393 return (renameat(olddirfd, oldpath, newdirfd, newpath));
394}
395#endif
396#ifdef TARGET_NR_symlinkat
397static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
398{
399 return (symlinkat(oldpath, newdirfd, newpath));
400}
401#endif
402#ifdef TARGET_NR_unlinkat
403static int sys_unlinkat(int dirfd, const char *pathname, int flags)
404{
405 return (unlinkat(dirfd, pathname, flags));
406}
407#endif
3b3f24ad
AJ		 408#else /* !CONFIG_ATFILE */
409
410/*
411 * Try direct syscalls instead
412 */
92a34c10 413#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
465c9f06 414_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
92a34c10 415#endif
814d7977 416#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
465c9f06 417_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
814d7977 418#endif
4583f589 419#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
ccfa72b7
TS		 420_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
421 uid_t,owner,gid_t,group,int,flags)
422#endif
9d33b76b
AJ		 423#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
424 defined(__NR_fstatat64)
6a24a778
AZ		 425_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
426 struct stat *,buf,int,flags)
427#endif
ac8a6556
AZ		 428#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
429_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
430 const struct timeval *,times)
431#endif
3b3f24ad
AJ		 432#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
433 defined(__NR_newfstatat)
434_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
435 struct stat *,buf,int,flags)
8fcd3692 436#endif
64f0ce4c
TS		 437#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
438_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
3b3f24ad 439 int,newdirfd,const char *,newpath,int,flags)
64f0ce4c 440#endif
4472ad0d
TS		 441#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
442_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
443#endif
75ac37a0
TS		 444#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
445_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
446 mode_t,mode,dev_t,dev)
447#endif
82424832
TS		 448#if defined(TARGET_NR_openat) && defined(__NR_openat)
449_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
450#endif
5e0ccb18
TS		 451#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
452_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
453 char *,buf,size_t,bufsize)
454#endif
722183f6
TS		 455#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
456_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
457 int,newdirfd,const char *,newpath)
458#endif
b51eaa82 459#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
f0b6243d
TS		 460_syscall3(int,sys_symlinkat,const char *,oldpath,
461 int,newdirfd,const char *,newpath)
462#endif
8170f56b
TS		 463#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
464_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
465#endif
ebc996f3
RV		 466
467#endif /* CONFIG_ATFILE */
468
469#ifdef CONFIG_UTIMENSAT
470static int sys_utimensat(int dirfd, const char *pathname,
471 const struct timespec times[2], int flags)
472{
473 if (pathname == NULL)
474 return futimens(dirfd, times);
475 else
476 return utimensat(dirfd, pathname, times, flags);
477}
478#else
9007f0ef
TS		 479#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
480_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
481 const struct timespec *,tsp,int,flags)
482#endif
ebc996f3 483#endif /* CONFIG_UTIMENSAT */
3b3f24ad
AJ		 484
485#ifdef CONFIG_INOTIFY
8690e420 486#include <sys/inotify.h>
3b3f24ad 487
39b59763 488#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 489static int sys_inotify_init(void)
490{
491 return (inotify_init());
492}
39b59763
AJ		 493#endif
494#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 495static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
496{
497 return (inotify_add_watch(fd, pathname, mask));
498}
39b59763
AJ		 499#endif
500#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 501static int sys_inotify_rm_watch(int fd, int32_t wd)
502{
8690e420 503 return (inotify_rm_watch(fd, wd));
3b3f24ad 504}
bd0c5661 505#endif
3b3f24ad
AJ		 506#else
507/* Userspace can usually survive runtime without inotify */
508#undef TARGET_NR_inotify_init
509#undef TARGET_NR_inotify_add_watch
510#undef TARGET_NR_inotify_rm_watch
511#endif /* CONFIG_INOTIFY */
512
66fb9763
FB		 513
514extern int personality(int);
9de5e440
FB		 515extern int flock(int, int);
516extern int setfsuid(int);
517extern int setfsgid(int);
19b84f3c 518extern int setgroups(int, gid_t *);
31e31b8a 519
b92c47c1
TS		 520#define ERRNO_TABLE_SIZE 1200
521
522/* target_to_host_errno_table[] is initialized from
523 * host_to_target_errno_table[] in syscall_init(). */
524static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
525};
526
637947f1 527/*
fe8f096b 528 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 529 * minus the errnos that are not actually generic to all archs.
530 */
b92c47c1 531static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 532 [EIDRM] = TARGET_EIDRM,
533 [ECHRNG] = TARGET_ECHRNG,
534 [EL2NSYNC] = TARGET_EL2NSYNC,
535 [EL3HLT] = TARGET_EL3HLT,
536 [EL3RST] = TARGET_EL3RST,
537 [ELNRNG] = TARGET_ELNRNG,
538 [EUNATCH] = TARGET_EUNATCH,
539 [ENOCSI] = TARGET_ENOCSI,
540 [EL2HLT] = TARGET_EL2HLT,
541 [EDEADLK] = TARGET_EDEADLK,
542 [ENOLCK] = TARGET_ENOLCK,
543 [EBADE] = TARGET_EBADE,
544 [EBADR] = TARGET_EBADR,
545 [EXFULL] = TARGET_EXFULL,
546 [ENOANO] = TARGET_ENOANO,
547 [EBADRQC] = TARGET_EBADRQC,
548 [EBADSLT] = TARGET_EBADSLT,
549 [EBFONT] = TARGET_EBFONT,
550 [ENOSTR] = TARGET_ENOSTR,
551 [ENODATA] = TARGET_ENODATA,
552 [ETIME] = TARGET_ETIME,
553 [ENOSR] = TARGET_ENOSR,
554 [ENONET] = TARGET_ENONET,
555 [ENOPKG] = TARGET_ENOPKG,
556 [EREMOTE] = TARGET_EREMOTE,
557 [ENOLINK] = TARGET_ENOLINK,
558 [EADV] = TARGET_EADV,
559 [ESRMNT] = TARGET_ESRMNT,
560 [ECOMM] = TARGET_ECOMM,
561 [EPROTO] = TARGET_EPROTO,
562 [EDOTDOT] = TARGET_EDOTDOT,
563 [EMULTIHOP] = TARGET_EMULTIHOP,
564 [EBADMSG] = TARGET_EBADMSG,
565 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
566 [EOVERFLOW] = TARGET_EOVERFLOW,
567 [ENOTUNIQ] = TARGET_ENOTUNIQ,
568 [EBADFD] = TARGET_EBADFD,
569 [EREMCHG] = TARGET_EREMCHG,
570 [ELIBACC] = TARGET_ELIBACC,
571 [ELIBBAD] = TARGET_ELIBBAD,
572 [ELIBSCN] = TARGET_ELIBSCN,
573 [ELIBMAX] = TARGET_ELIBMAX,
574 [ELIBEXEC] = TARGET_ELIBEXEC,
575 [EILSEQ] = TARGET_EILSEQ,
576 [ENOSYS] = TARGET_ENOSYS,
577 [ELOOP] = TARGET_ELOOP,
578 [ERESTART] = TARGET_ERESTART,
579 [ESTRPIPE] = TARGET_ESTRPIPE,
580 [ENOTEMPTY] = TARGET_ENOTEMPTY,
581 [EUSERS] = TARGET_EUSERS,
582 [ENOTSOCK] = TARGET_ENOTSOCK,
583 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
584 [EMSGSIZE] = TARGET_EMSGSIZE,
585 [EPROTOTYPE] = TARGET_EPROTOTYPE,
586 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
587 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
588 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
589 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
590 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
591 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
592 [EADDRINUSE] = TARGET_EADDRINUSE,
593 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
594 [ENETDOWN] = TARGET_ENETDOWN,
595 [ENETUNREACH] = TARGET_ENETUNREACH,
596 [ENETRESET] = TARGET_ENETRESET,
597 [ECONNABORTED] = TARGET_ECONNABORTED,
598 [ECONNRESET] = TARGET_ECONNRESET,
599 [ENOBUFS] = TARGET_ENOBUFS,
600 [EISCONN] = TARGET_EISCONN,
601 [ENOTCONN] = TARGET_ENOTCONN,
602 [EUCLEAN] = TARGET_EUCLEAN,
603 [ENOTNAM] = TARGET_ENOTNAM,
604 [ENAVAIL] = TARGET_ENAVAIL,
605 [EISNAM] = TARGET_EISNAM,
606 [EREMOTEIO] = TARGET_EREMOTEIO,
607 [ESHUTDOWN] = TARGET_ESHUTDOWN,
608 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
609 [ETIMEDOUT] = TARGET_ETIMEDOUT,
610 [ECONNREFUSED] = TARGET_ECONNREFUSED,
611 [EHOSTDOWN] = TARGET_EHOSTDOWN,
612 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
613 [EALREADY] = TARGET_EALREADY,
614 [EINPROGRESS] = TARGET_EINPROGRESS,
615 [ESTALE] = TARGET_ESTALE,
616 [ECANCELED] = TARGET_ECANCELED,
617 [ENOMEDIUM] = TARGET_ENOMEDIUM,
618 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 619#ifdef ENOKEY
637947f1 620 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 621#endif
622#ifdef EKEYEXPIRED
637947f1 623 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 624#endif
625#ifdef EKEYREVOKED
637947f1 626 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 627#endif
628#ifdef EKEYREJECTED
637947f1 629 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 630#endif
631#ifdef EOWNERDEAD
637947f1 632 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 633#endif
634#ifdef ENOTRECOVERABLE
637947f1 635 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 636#endif
b92c47c1 637};
637947f1
TS		 638
639static inline int host_to_target_errno(int err)
640{
641 if(host_to_target_errno_table[err])
642 return host_to_target_errno_table[err];
643 return err;
644}
645
b92c47c1
TS		 646static inline int target_to_host_errno(int err)
647{
648 if (target_to_host_errno_table[err])
649 return target_to_host_errno_table[err];
650 return err;
651}
652
992f48a0 653static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 654{
655 if (ret == -1)
637947f1 656 return -host_to_target_errno(errno);
31e31b8a
FB		 657 else
658 return ret;
659}
660
992f48a0 661static inline int is_error(abi_long ret)
31e31b8a 662{
992f48a0 663 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 664}
665
b92c47c1
TS		 666char *target_strerror(int err)
667{
668 return strerror(target_to_host_errno(err));
669}
670
992f48a0
BS		 671static abi_ulong target_brk;
672static abi_ulong target_original_brk;
31e31b8a 673
992f48a0 674void target_set_brk(abi_ulong new_brk)
31e31b8a 675{
4c1de73d 676 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
31e31b8a
FB		 677}
678
0da46a6e 679/* do_brk() must return target values and target errnos. */
992f48a0 680abi_long do_brk(abi_ulong new_brk)
31e31b8a 681{
992f48a0
BS		 682 abi_ulong brk_page;
683 abi_long mapped_addr;
31e31b8a
FB		 684 int new_alloc_size;
685
686 if (!new_brk)
53a5960a 687 return target_brk;
31e31b8a 688 if (new_brk < target_original_brk)
7ab240ad 689 return target_brk;
3b46e624 690
53a5960a 691 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 692
693 /* If the new brk is less than this, set it and we're done... */
694 if (new_brk < brk_page) {
695 target_brk = new_brk;
53a5960a 696 return target_brk;
31e31b8a
FB		 697 }
698
699 /* We need to allocate more memory after the brk... */
54936004 700 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
5fafdf24 701 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 702 PROT_READ|PROT_WRITE,
703 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
7ab240ad
AZ		 704
705 if (!is_error(mapped_addr))
31e31b8a 706 target_brk = new_brk;
7ab240ad
AZ		 707
708 return target_brk;
31e31b8a
FB		 709}
710
26edcf41
TS		 711static inline abi_long copy_from_user_fdset(fd_set *fds,
712 abi_ulong target_fds_addr,
713 int n)
31e31b8a 714{
26edcf41
TS		 715 int i, nw, j, k;
716 abi_ulong b, *target_fds;
717
718 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
719 if (!(target_fds = lock_user(VERIFY_READ,
720 target_fds_addr,
721 sizeof(abi_ulong) * nw,
722 1)))
723 return -TARGET_EFAULT;
724
725 FD_ZERO(fds);
726 k = 0;
727 for (i = 0; i < nw; i++) {
728 /* grab the abi_ulong */
729 __get_user(b, &target_fds[i]);
730 for (j = 0; j < TARGET_ABI_BITS; j++) {
731 /* check the bit inside the abi_ulong */
732 if ((b >> j) & 1)
733 FD_SET(k, fds);
734 k++;
31e31b8a 735 }
31e31b8a 736 }
26edcf41
TS		 737
738 unlock_user(target_fds, target_fds_addr, 0);
739
740 return 0;
31e31b8a
FB		 741}
742
26edcf41
TS		 743static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
744 const fd_set *fds,
745 int n)
31e31b8a 746{
31e31b8a 747 int i, nw, j, k;
992f48a0 748 abi_long v;
26edcf41 749 abi_ulong *target_fds;
31e31b8a 750
26edcf41
TS		 751 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
752 if (!(target_fds = lock_user(VERIFY_WRITE,
753 target_fds_addr,
754 sizeof(abi_ulong) * nw,
755 0)))
756 return -TARGET_EFAULT;
757
758 k = 0;
759 for (i = 0; i < nw; i++) {
760 v = 0;
761 for (j = 0; j < TARGET_ABI_BITS; j++) {
762 v |= ((FD_ISSET(k, fds) != 0) << j);
763 k++;
31e31b8a 764 }
26edcf41 765 __put_user(v, &target_fds[i]);
31e31b8a 766 }
26edcf41
TS		 767
768 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
769
770 return 0;
31e31b8a
FB		 771}
772
c596ed17
FB		 773#if defined(__alpha__)
774#define HOST_HZ 1024
775#else
776#define HOST_HZ 100
777#endif
778
992f48a0 779static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 780{
781#if HOST_HZ == TARGET_HZ
782 return ticks;
783#else
784 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
785#endif
786}
787
579a97f7
FB		 788static inline abi_long host_to_target_rusage(abi_ulong target_addr,
789 const struct rusage *rusage)
b409186b 790{
53a5960a
PB		 791 struct target_rusage *target_rusage;
792
579a97f7
FB		 793 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
794 return -TARGET_EFAULT;
b409186b
FB		 795 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
796 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
797 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
798 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
799 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
800 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
801 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
802 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
803 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
804 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
805 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
806 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
807 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
808 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
809 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
810 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
811 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
812 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 813 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 814
815 return 0;
b409186b
FB		 816}
817
788f5ec4
TS		 818static inline abi_long copy_from_user_timeval(struct timeval *tv,
819 abi_ulong target_tv_addr)
31e31b8a 820{
53a5960a
PB		 821 struct target_timeval *target_tv;
822
788f5ec4 823 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 824 return -TARGET_EFAULT;
788f5ec4
TS		 825
826 __get_user(tv->tv_sec, &target_tv->tv_sec);
827 __get_user(tv->tv_usec, &target_tv->tv_usec);
828
829 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 830
831 return 0;
31e31b8a
FB		 832}
833
788f5ec4
TS		 834static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
835 const struct timeval *tv)
31e31b8a 836{
53a5960a
PB		 837 struct target_timeval *target_tv;
838
788f5ec4 839 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 840 return -TARGET_EFAULT;
788f5ec4
TS		 841
842 __put_user(tv->tv_sec, &target_tv->tv_sec);
843 __put_user(tv->tv_usec, &target_tv->tv_usec);
844
845 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 846
847 return 0;
31e31b8a
FB		 848}
849
8ec9cf89
NF		 850#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
851#include <mqueue.h>
852
24e1003a
AJ		 853static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
854 abi_ulong target_mq_attr_addr)
855{
856 struct target_mq_attr *target_mq_attr;
857
858 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
859 target_mq_attr_addr, 1))
860 return -TARGET_EFAULT;
861
862 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
863 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
864 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
865 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
866
867 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
868
869 return 0;
870}
871
872static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
873 const struct mq_attr *attr)
874{
875 struct target_mq_attr *target_mq_attr;
876
877 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
878 target_mq_attr_addr, 0))
879 return -TARGET_EFAULT;
880
881 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
882 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
883 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
884 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
885
886 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
887
888 return 0;
889}
8ec9cf89 890#endif
31e31b8a 891
0da46a6e 892/* do_select() must return target values and target errnos. */
992f48a0 893static abi_long do_select(int n,
26edcf41
TS		 894 abi_ulong rfd_addr, abi_ulong wfd_addr,
895 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 896{
897 fd_set rfds, wfds, efds;
898 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
899 struct timeval tv, *tv_ptr;
992f48a0 900 abi_long ret;
31e31b8a 901
26edcf41
TS		 902 if (rfd_addr) {
903 if (copy_from_user_fdset(&rfds, rfd_addr, n))
904 return -TARGET_EFAULT;
905 rfds_ptr = &rfds;
53a5960a 906 } else {
53a5960a
PB		 907 rfds_ptr = NULL;
908 }
26edcf41
TS		 909 if (wfd_addr) {
910 if (copy_from_user_fdset(&wfds, wfd_addr, n))
911 return -TARGET_EFAULT;
912 wfds_ptr = &wfds;
53a5960a 913 } else {
53a5960a
PB		 914 wfds_ptr = NULL;
915 }
26edcf41
TS		 916 if (efd_addr) {
917 if (copy_from_user_fdset(&efds, efd_addr, n))
918 return -TARGET_EFAULT;
919 efds_ptr = &efds;
53a5960a 920 } else {
53a5960a
PB		 921 efds_ptr = NULL;
922 }
3b46e624 923
26edcf41 924 if (target_tv_addr) {
788f5ec4
TS		 925 if (copy_from_user_timeval(&tv, target_tv_addr))
926 return -TARGET_EFAULT;
31e31b8a
FB		 927 tv_ptr = &tv;
928 } else {
929 tv_ptr = NULL;
930 }
26edcf41 931
31e31b8a 932 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 933
26edcf41
TS		 934 if (!is_error(ret)) {
935 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
936 return -TARGET_EFAULT;
937 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
938 return -TARGET_EFAULT;
939 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
940 return -TARGET_EFAULT;
31e31b8a 941
788f5ec4
TS		 942 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
943 return -TARGET_EFAULT;
31e31b8a 944 }
579a97f7 945
31e31b8a
FB		 946 return ret;
947}
948
099d6b0f
RV		 949static abi_long do_pipe2(int host_pipe[], int flags)
950{
951#ifdef CONFIG_PIPE2
952 return pipe2(host_pipe, flags);
953#else
954 return -ENOSYS;
955#endif
956}
957
784ccfdb 958static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, int flags)
099d6b0f
RV		 959{
960 int host_pipe[2];
961 abi_long ret;
962 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
963
964 if (is_error(ret))
965 return get_errno(ret);
966#if defined(TARGET_MIPS)
967 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
968 ret = host_pipe[0];
969#elif defined(TARGET_SH4)
970 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
971 ret = host_pipe[0];
972#else
973 if (put_user_s32(host_pipe[0], pipedes)
974 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
975 return -TARGET_EFAULT;
976#endif
977 return get_errno(ret);
978}
979
b975b83b
LL		 980static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
981 abi_ulong target_addr,
982 socklen_t len)
983{
984 struct target_ip_mreqn *target_smreqn;
985
986 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
987 if (!target_smreqn)
988 return -TARGET_EFAULT;
989 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
990 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
991 if (len == sizeof(struct target_ip_mreqn))
992 mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
993 unlock_user(target_smreqn, target_addr, 0);
994
995 return 0;
996}
997
579a97f7
FB		 998static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
999 abi_ulong target_addr,
1000 socklen_t len)
7854b056 1001{
607175e0
AJ		 1002 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1003 sa_family_t sa_family;
53a5960a
PB		 1004 struct target_sockaddr *target_saddr;
1005
579a97f7
FB		 1006 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1007 if (!target_saddr)
1008 return -TARGET_EFAULT;
607175e0
AJ		 1009
1010 sa_family = tswap16(target_saddr->sa_family);
1011
1012 /* Oops. The caller might send a incomplete sun_path; sun_path
1013 * must be terminated by \0 (see the manual page), but
1014 * unfortunately it is quite common to specify sockaddr_un
1015 * length as "strlen(x->sun_path)" while it should be
1016 * "strlen(...) + 1". We'll fix that here if needed.
1017 * Linux kernel has a similar feature.
1018 */
1019
1020 if (sa_family == AF_UNIX) {
1021 if (len < unix_maxlen && len > 0) {
1022 char *cp = (char*)target_saddr;
1023
1024 if ( cp[len-1] && !cp[len] )
1025 len++;
1026 }
1027 if (len > unix_maxlen)
1028 len = unix_maxlen;
1029 }
1030
53a5960a 1031 memcpy(addr, target_saddr, len);
607175e0 1032 addr->sa_family = sa_family;
53a5960a 1033 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1034
1035 return 0;
7854b056
FB		 1036}
1037
579a97f7
FB		 1038static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1039 struct sockaddr *addr,
1040 socklen_t len)
7854b056 1041{
53a5960a
PB		 1042 struct target_sockaddr *target_saddr;
1043
579a97f7
FB		 1044 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1045 if (!target_saddr)
1046 return -TARGET_EFAULT;
53a5960a
PB		 1047 memcpy(target_saddr, addr, len);
1048 target_saddr->sa_family = tswap16(addr->sa_family);
1049 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1050
1051 return 0;
7854b056
FB		 1052}
1053
53a5960a 1054/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1055static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1056 struct target_msghdr *target_msgh)
7854b056
FB		 1057{
1058 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1059 abi_long msg_controllen;
1060 abi_ulong target_cmsg_addr;
1061 struct target_cmsghdr *target_cmsg;
7854b056 1062 socklen_t space = 0;
5a4a898d
FB		 1063
1064 msg_controllen = tswapl(target_msgh->msg_controllen);
1065 if (msg_controllen < sizeof (struct target_cmsghdr))
1066 goto the_end;
1067 target_cmsg_addr = tswapl(target_msgh->msg_control);
1068 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1069 if (!target_cmsg)
1070 return -TARGET_EFAULT;
7854b056
FB		 1071
1072 while (cmsg && target_cmsg) {
1073 void *data = CMSG_DATA(cmsg);
1074 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1075
5fafdf24 1076 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 1077 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1078
1079 space += CMSG_SPACE(len);
1080 if (space > msgh->msg_controllen) {
1081 space -= CMSG_SPACE(len);
31febb71 1082 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1083 break;
1084 }
1085
1086 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1087 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1088 cmsg->cmsg_len = CMSG_LEN(len);
1089
3532fa74 1090 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1091 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1092 memcpy(data, target_data, len);
1093 } else {
1094 int *fd = (int *)data;
1095 int *target_fd = (int *)target_data;
1096 int i, numfds = len / sizeof(int);
1097
1098 for (i = 0; i < numfds; i++)
1099 fd[i] = tswap32(target_fd[i]);
1100 }
1101
1102 cmsg = CMSG_NXTHDR(msgh, cmsg);
1103 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1104 }
5a4a898d
FB		 1105 unlock_user(target_cmsg, target_cmsg_addr, 0);
1106 the_end:
7854b056 1107 msgh->msg_controllen = space;
5a4a898d 1108 return 0;
7854b056
FB		 1109}
1110
53a5960a 1111/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1112static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1113 struct msghdr *msgh)
7854b056
FB		 1114{
1115 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1116 abi_long msg_controllen;
1117 abi_ulong target_cmsg_addr;
1118 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1119 socklen_t space = 0;
1120
5a4a898d
FB		 1121 msg_controllen = tswapl(target_msgh->msg_controllen);
1122 if (msg_controllen < sizeof (struct target_cmsghdr))
1123 goto the_end;
1124 target_cmsg_addr = tswapl(target_msgh->msg_control);
1125 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1126 if (!target_cmsg)
1127 return -TARGET_EFAULT;
1128
7854b056
FB		 1129 while (cmsg && target_cmsg) {
1130 void *data = CMSG_DATA(cmsg);
1131 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1132
1133 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1134
1135 space += TARGET_CMSG_SPACE(len);
5a4a898d 1136 if (space > msg_controllen) {
7854b056 1137 space -= TARGET_CMSG_SPACE(len);
31febb71 1138 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1139 break;
1140 }
1141
1142 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1143 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1144 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1145
3532fa74 1146 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1147 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1148 memcpy(target_data, data, len);
1149 } else {
1150 int *fd = (int *)data;
1151 int *target_fd = (int *)target_data;
1152 int i, numfds = len / sizeof(int);
1153
1154 for (i = 0; i < numfds; i++)
1155 target_fd[i] = tswap32(fd[i]);
1156 }
1157
1158 cmsg = CMSG_NXTHDR(msgh, cmsg);
1159 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1160 }
5a4a898d
FB		 1161 unlock_user(target_cmsg, target_cmsg_addr, space);
1162 the_end:
1163 target_msgh->msg_controllen = tswapl(space);
1164 return 0;
7854b056
FB		 1165}
1166
0da46a6e 1167/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1168static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1169 abi_ulong optval_addr, socklen_t optlen)
7854b056 1170{
992f48a0 1171 abi_long ret;
32407103 1172 int val;
b975b83b 1173 struct ip_mreqn *ip_mreq;
6e3cb58f 1174 struct ip_mreq_source *ip_mreq_source;
3b46e624 1175
8853f86e
FB		 1176 switch(level) {
1177 case SOL_TCP:
7854b056 1178 /* TCP options all take an 'int' value. */
7854b056 1179 if (optlen < sizeof(uint32_t))
0da46a6e 1180 return -TARGET_EINVAL;
3b46e624 1181
2f619698
FB		 1182 if (get_user_u32(val, optval_addr))
1183 return -TARGET_EFAULT;
8853f86e
FB		 1184 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1185 break;
1186 case SOL_IP:
1187 switch(optname) {
2efbe911
FB		 1188 case IP_TOS:
1189 case IP_TTL:
8853f86e 1190 case IP_HDRINCL:
2efbe911
FB		 1191 case IP_ROUTER_ALERT:
1192 case IP_RECVOPTS:
1193 case IP_RETOPTS:
1194 case IP_PKTINFO:
1195 case IP_MTU_DISCOVER:
1196 case IP_RECVERR:
1197 case IP_RECVTOS:
1198#ifdef IP_FREEBIND
1199 case IP_FREEBIND:
1200#endif
1201 case IP_MULTICAST_TTL:
1202 case IP_MULTICAST_LOOP:
8853f86e
FB		 1203 val = 0;
1204 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1205 if (get_user_u32(val, optval_addr))
1206 return -TARGET_EFAULT;
8853f86e 1207 } else if (optlen >= 1) {
2f619698
FB		 1208 if (get_user_u8(val, optval_addr))
1209 return -TARGET_EFAULT;
8853f86e
FB		 1210 }
1211 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1212 break;
b975b83b
LL		 1213 case IP_ADD_MEMBERSHIP:
1214 case IP_DROP_MEMBERSHIP:
1215 if (optlen < sizeof (struct target_ip_mreq) ||
1216 optlen > sizeof (struct target_ip_mreqn))
1217 return -TARGET_EINVAL;
1218
1219 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1220 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1221 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1222 break;
1223
6e3cb58f
LL		 1224 case IP_BLOCK_SOURCE:
1225 case IP_UNBLOCK_SOURCE:
1226 case IP_ADD_SOURCE_MEMBERSHIP:
1227 case IP_DROP_SOURCE_MEMBERSHIP:
1228 if (optlen != sizeof (struct target_ip_mreq_source))
1229 return -TARGET_EINVAL;
1230
1231 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1232 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1233 unlock_user (ip_mreq_source, optval_addr, 0);
1234 break;
1235
8853f86e
FB		 1236 default:
1237 goto unimplemented;
1238 }
1239 break;
3532fa74 1240 case TARGET_SOL_SOCKET:
8853f86e
FB		 1241 switch (optname) {
1242 /* Options with 'int' argument. */
3532fa74
FB		 1243 case TARGET_SO_DEBUG:
1244 optname = SO_DEBUG;
1245 break;
1246 case TARGET_SO_REUSEADDR:
1247 optname = SO_REUSEADDR;
1248 break;
1249 case TARGET_SO_TYPE:
1250 optname = SO_TYPE;
1251 break;
1252 case TARGET_SO_ERROR:
1253 optname = SO_ERROR;
1254 break;
1255 case TARGET_SO_DONTROUTE:
1256 optname = SO_DONTROUTE;
1257 break;
1258 case TARGET_SO_BROADCAST:
1259 optname = SO_BROADCAST;
1260 break;
1261 case TARGET_SO_SNDBUF:
1262 optname = SO_SNDBUF;
1263 break;
1264 case TARGET_SO_RCVBUF:
1265 optname = SO_RCVBUF;
1266 break;
1267 case TARGET_SO_KEEPALIVE:
1268 optname = SO_KEEPALIVE;
1269 break;
1270 case TARGET_SO_OOBINLINE:
1271 optname = SO_OOBINLINE;
1272 break;
1273 case TARGET_SO_NO_CHECK:
1274 optname = SO_NO_CHECK;
1275 break;
1276 case TARGET_SO_PRIORITY:
1277 optname = SO_PRIORITY;
1278 break;
5e83e8e3 1279#ifdef SO_BSDCOMPAT
3532fa74
FB		 1280 case TARGET_SO_BSDCOMPAT:
1281 optname = SO_BSDCOMPAT;
1282 break;
5e83e8e3 1283#endif
3532fa74
FB		 1284 case TARGET_SO_PASSCRED:
1285 optname = SO_PASSCRED;
1286 break;
1287 case TARGET_SO_TIMESTAMP:
1288 optname = SO_TIMESTAMP;
1289 break;
1290 case TARGET_SO_RCVLOWAT:
1291 optname = SO_RCVLOWAT;
1292 break;
1293 case TARGET_SO_RCVTIMEO:
1294 optname = SO_RCVTIMEO;
1295 break;
1296 case TARGET_SO_SNDTIMEO:
1297 optname = SO_SNDTIMEO;
1298 break;
8853f86e
FB		 1299 break;
1300 default:
1301 goto unimplemented;
1302 }
3532fa74 1303 if (optlen < sizeof(uint32_t))
2f619698 1304 return -TARGET_EINVAL;
3532fa74 1305
2f619698
FB		 1306 if (get_user_u32(val, optval_addr))
1307 return -TARGET_EFAULT;
3532fa74 1308 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1309 break;
7854b056 1310 default:
8853f86e
FB		 1311 unimplemented:
1312 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
6fa13c17 1313 ret = -TARGET_ENOPROTOOPT;
7854b056 1314 }
8853f86e 1315 return ret;
7854b056
FB		 1316}
1317
0da46a6e 1318/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1319static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1320 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1321{
992f48a0 1322 abi_long ret;
b55266b5
BS		 1323 int len, val;
1324 socklen_t lv;
8853f86e
FB		 1325
1326 switch(level) {
3532fa74
FB		 1327 case TARGET_SOL_SOCKET:
1328 level = SOL_SOCKET;
8853f86e 1329 switch (optname) {
3532fa74
FB		 1330 case TARGET_SO_LINGER:
1331 case TARGET_SO_RCVTIMEO:
1332 case TARGET_SO_SNDTIMEO:
1333 case TARGET_SO_PEERCRED:
1334 case TARGET_SO_PEERNAME:
8853f86e
FB		 1335 /* These don't just return a single integer */
1336 goto unimplemented;
1337 default:
2efbe911
FB		 1338 goto int_case;
1339 }
1340 break;
1341 case SOL_TCP:
1342 /* TCP options all take an 'int' value. */
1343 int_case:
2f619698
FB		 1344 if (get_user_u32(len, optlen))
1345 return -TARGET_EFAULT;
2efbe911 1346 if (len < 0)
0da46a6e 1347 return -TARGET_EINVAL;
2efbe911
FB		 1348 lv = sizeof(int);
1349 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1350 if (ret < 0)
1351 return ret;
2efbe911
FB		 1352 if (len > lv)
1353 len = lv;
2f619698
FB		 1354 if (len == 4) {
1355 if (put_user_u32(val, optval_addr))
1356 return -TARGET_EFAULT;
1357 } else {
1358 if (put_user_u8(val, optval_addr))
1359 return -TARGET_EFAULT;
1360 }
1361 if (put_user_u32(len, optlen))
1362 return -TARGET_EFAULT;
2efbe911
FB		 1363 break;
1364 case SOL_IP:
1365 switch(optname) {
1366 case IP_TOS:
1367 case IP_TTL:
1368 case IP_HDRINCL:
1369 case IP_ROUTER_ALERT:
1370 case IP_RECVOPTS:
1371 case IP_RETOPTS:
1372 case IP_PKTINFO:
1373 case IP_MTU_DISCOVER:
1374 case IP_RECVERR:
1375 case IP_RECVTOS:
1376#ifdef IP_FREEBIND
1377 case IP_FREEBIND:
1378#endif
1379 case IP_MULTICAST_TTL:
1380 case IP_MULTICAST_LOOP:
2f619698
FB		 1381 if (get_user_u32(len, optlen))
1382 return -TARGET_EFAULT;
8853f86e 1383 if (len < 0)
0da46a6e 1384 return -TARGET_EINVAL;
8853f86e
FB		 1385 lv = sizeof(int);
1386 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1387 if (ret < 0)
1388 return ret;
2efbe911 1389 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1390 len = 1;
2f619698
FB		 1391 if (put_user_u32(len, optlen)
1392 || put_user_u8(val, optval_addr))
1393 return -TARGET_EFAULT;
2efbe911 1394 } else {
2efbe911
FB		 1395 if (len > sizeof(int))
1396 len = sizeof(int);
2f619698
FB		 1397 if (put_user_u32(len, optlen)
1398 || put_user_u32(val, optval_addr))
1399 return -TARGET_EFAULT;
2efbe911 1400 }
8853f86e 1401 break;
2efbe911 1402 default:
c02f499e
TS		 1403 ret = -TARGET_ENOPROTOOPT;
1404 break;
8853f86e
FB		 1405 }
1406 break;
1407 default:
1408 unimplemented:
1409 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1410 level, optname);
c02f499e 1411 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1412 break;
1413 }
1414 return ret;
7854b056
FB		 1415}
1416
579a97f7
FB		 1417/* FIXME
1418 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1419 * other lock functions have a return code of 0 for failure.
1420 */
1421static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1422 int count, int copy)
53a5960a
PB		 1423{
1424 struct target_iovec *target_vec;
992f48a0 1425 abi_ulong base;
d732dcb4 1426 int i;
53a5960a 1427
579a97f7
FB		 1428 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1429 if (!target_vec)
1430 return -TARGET_EFAULT;
53a5960a
PB		 1431 for(i = 0;i < count; i++) {
1432 base = tswapl(target_vec[i].iov_base);
1433 vec[i].iov_len = tswapl(target_vec[i].iov_len);
41df8411
FB		 1434 if (vec[i].iov_len != 0) {
1435 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1436 /* Don't check lock_user return value. We must call writev even
1437 if a element has invalid base address. */
41df8411
FB		 1438 } else {
1439 /* zero length pointer is ignored */
1440 vec[i].iov_base = NULL;
1441 }
579a97f7
FB		 1442 }
1443 unlock_user (target_vec, target_addr, 0);
1444 return 0;
53a5960a
PB		 1445}
1446
579a97f7
FB		 1447static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1448 int count, int copy)
53a5960a
PB		 1449{
1450 struct target_iovec *target_vec;
992f48a0 1451 abi_ulong base;
53a5960a
PB		 1452 int i;
1453
579a97f7
FB		 1454 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1455 if (!target_vec)
1456 return -TARGET_EFAULT;
53a5960a 1457 for(i = 0;i < count; i++) {
d732dcb4
AZ		 1458 if (target_vec[i].iov_base) {
1459 base = tswapl(target_vec[i].iov_base);
1460 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1461 }
53a5960a
PB		 1462 }
1463 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1464
1465 return 0;
53a5960a
PB		 1466}
1467
0da46a6e 1468/* do_socket() Must return target values and target errnos. */
992f48a0 1469static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1470{
1471#if defined(TARGET_MIPS)
1472 switch(type) {
1473 case TARGET_SOCK_DGRAM:
1474 type = SOCK_DGRAM;
1475 break;
1476 case TARGET_SOCK_STREAM:
1477 type = SOCK_STREAM;
1478 break;
1479 case TARGET_SOCK_RAW:
1480 type = SOCK_RAW;
1481 break;
1482 case TARGET_SOCK_RDM:
1483 type = SOCK_RDM;
1484 break;
1485 case TARGET_SOCK_SEQPACKET:
1486 type = SOCK_SEQPACKET;
1487 break;
1488 case TARGET_SOCK_PACKET:
1489 type = SOCK_PACKET;
1490 break;
1491 }
1492#endif
12bc92ab
AZ		 1493 if (domain == PF_NETLINK)
1494 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1495 return get_errno(socket(domain, type, protocol));
1496}
1497
0da46a6e 1498/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1499static abi_long do_bind(int sockfd, abi_ulong target_addr,
1500 socklen_t addrlen)
3532fa74 1501{
8f7aeaf6 1502 void *addr;
917507b0 1503 abi_long ret;
8f7aeaf6 1504
be09ac41 1505 if (addrlen < 0)
8f7aeaf6
AJ		 1506 return -TARGET_EINVAL;
1507
607175e0 1508 addr = alloca(addrlen+1);
3b46e624 1509
917507b0
AP		 1510 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1511 if (ret)
1512 return ret;
1513
3532fa74
FB		 1514 return get_errno(bind(sockfd, addr, addrlen));
1515}
1516
0da46a6e 1517/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1518static abi_long do_connect(int sockfd, abi_ulong target_addr,
1519 socklen_t addrlen)
3532fa74 1520{
8f7aeaf6 1521 void *addr;
917507b0 1522 abi_long ret;
8f7aeaf6 1523
be09ac41 1524 if (addrlen < 0)
8f7aeaf6
AJ		 1525 return -TARGET_EINVAL;
1526
1527 addr = alloca(addrlen);
3b46e624 1528
917507b0
AP		 1529 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1530 if (ret)
1531 return ret;
1532
3532fa74
FB		 1533 return get_errno(connect(sockfd, addr, addrlen));
1534}
1535
0da46a6e 1536/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1537static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1538 int flags, int send)
3532fa74 1539{
6de645c7 1540 abi_long ret, len;
3532fa74
FB		 1541 struct target_msghdr *msgp;
1542 struct msghdr msg;
1543 int count;
1544 struct iovec *vec;
992f48a0 1545 abi_ulong target_vec;
3532fa74 1546
579a97f7
FB		 1547 /* FIXME */
1548 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1549 msgp,
1550 target_msg,
1551 send ? 1 : 0))
1552 return -TARGET_EFAULT;
3532fa74
FB		 1553 if (msgp->msg_name) {
1554 msg.msg_namelen = tswap32(msgp->msg_namelen);
1555 msg.msg_name = alloca(msg.msg_namelen);
917507b0 1556 ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
3532fa74 1557 msg.msg_namelen);
917507b0
AP		 1558 if (ret) {
1559 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1560 return ret;
1561 }
3532fa74
FB		 1562 } else {
1563 msg.msg_name = NULL;
1564 msg.msg_namelen = 0;
1565 }
1566 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1567 msg.msg_control = alloca(msg.msg_controllen);
1568 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1569
3532fa74
FB		 1570 count = tswapl(msgp->msg_iovlen);
1571 vec = alloca(count * sizeof(struct iovec));
1572 target_vec = tswapl(msgp->msg_iov);
579a97f7 1573 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1574 msg.msg_iovlen = count;
1575 msg.msg_iov = vec;
3b46e624 1576
3532fa74 1577 if (send) {
5a4a898d
FB		 1578 ret = target_to_host_cmsg(&msg, msgp);
1579 if (ret == 0)
1580 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1581 } else {
1582 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1583 if (!is_error(ret)) {
1584 len = ret;
5a4a898d 1585 ret = host_to_target_cmsg(msgp, &msg);
6de645c7
AZ		 1586 if (!is_error(ret))
1587 ret = len;
1588 }
3532fa74
FB		 1589 }
1590 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1591 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1592 return ret;
1593}
1594
0da46a6e 1595/* do_accept() Must return target values and target errnos. */
992f48a0 1596static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1597 abi_ulong target_addrlen_addr)
1be9e1dc 1598{
2f619698
FB		 1599 socklen_t addrlen;
1600 void *addr;
992f48a0 1601 abi_long ret;
1be9e1dc 1602
917507b0
AP		 1603 if (target_addr == 0)
1604 return get_errno(accept(fd, NULL, NULL));
1605
1606 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 1607 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 1608 return -TARGET_EINVAL;
2f619698 1609
be09ac41 1610 if (addrlen < 0)
8f7aeaf6
AJ		 1611 return -TARGET_EINVAL;
1612
917507b0
AP		 1613 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1614 return -TARGET_EINVAL;
1615
2f619698
FB		 1616 addr = alloca(addrlen);
1617
1be9e1dc
PB		 1618 ret = get_errno(accept(fd, addr, &addrlen));
1619 if (!is_error(ret)) {
1620 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1621 if (put_user_u32(addrlen, target_addrlen_addr))
1622 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1623 }
1624 return ret;
1625}
1626
0da46a6e 1627/* do_getpeername() Must return target values and target errnos. */
992f48a0 1628static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1629 abi_ulong target_addrlen_addr)
1be9e1dc 1630{
2f619698
FB		 1631 socklen_t addrlen;
1632 void *addr;
992f48a0 1633 abi_long ret;
1be9e1dc 1634
2f619698
FB		 1635 if (get_user_u32(addrlen, target_addrlen_addr))
1636 return -TARGET_EFAULT;
1637
be09ac41 1638 if (addrlen < 0)
8f7aeaf6
AJ		 1639 return -TARGET_EINVAL;
1640
917507b0
AP		 1641 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1642 return -TARGET_EFAULT;
1643
2f619698
FB		 1644 addr = alloca(addrlen);
1645
1be9e1dc
PB		 1646 ret = get_errno(getpeername(fd, addr, &addrlen));
1647 if (!is_error(ret)) {
1648 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1649 if (put_user_u32(addrlen, target_addrlen_addr))
1650 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1651 }
1652 return ret;
1653}
1654
0da46a6e 1655/* do_getsockname() Must return target values and target errnos. */
992f48a0 1656static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1657 abi_ulong target_addrlen_addr)
1be9e1dc 1658{
2f619698
FB		 1659 socklen_t addrlen;
1660 void *addr;
992f48a0 1661 abi_long ret;
1be9e1dc 1662
2f619698
FB		 1663 if (get_user_u32(addrlen, target_addrlen_addr))
1664 return -TARGET_EFAULT;
1665
be09ac41 1666 if (addrlen < 0)
8f7aeaf6
AJ		 1667 return -TARGET_EINVAL;
1668
917507b0
AP		 1669 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1670 return -TARGET_EFAULT;
1671
2f619698
FB		 1672 addr = alloca(addrlen);
1673
1be9e1dc
PB		 1674 ret = get_errno(getsockname(fd, addr, &addrlen));
1675 if (!is_error(ret)) {
1676 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1677 if (put_user_u32(addrlen, target_addrlen_addr))
1678 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1679 }
1680 return ret;
1681}
1682
0da46a6e 1683/* do_socketpair() Must return target values and target errnos. */
992f48a0 1684static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1685 abi_ulong target_tab_addr)
1be9e1dc
PB		 1686{
1687 int tab[2];
992f48a0 1688 abi_long ret;
1be9e1dc
PB		 1689
1690 ret = get_errno(socketpair(domain, type, protocol, tab));
1691 if (!is_error(ret)) {
2f619698
FB		 1692 if (put_user_s32(tab[0], target_tab_addr)
1693 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1694 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1695 }
1696 return ret;
1697}
1698
0da46a6e 1699/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1700static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1701 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1702{
1703 void *addr;
1704 void *host_msg;
992f48a0 1705 abi_long ret;
1be9e1dc 1706
be09ac41 1707 if (addrlen < 0)
8f7aeaf6
AJ		 1708 return -TARGET_EINVAL;
1709
579a97f7
FB		 1710 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1711 if (!host_msg)
1712 return -TARGET_EFAULT;
1be9e1dc
PB		 1713 if (target_addr) {
1714 addr = alloca(addrlen);
917507b0
AP		 1715 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1716 if (ret) {
1717 unlock_user(host_msg, msg, 0);
1718 return ret;
1719 }
1be9e1dc
PB		 1720 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1721 } else {
1722 ret = get_errno(send(fd, host_msg, len, flags));
1723 }
1724 unlock_user(host_msg, msg, 0);
1725 return ret;
1726}
1727
0da46a6e 1728/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 1729static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1730 abi_ulong target_addr,
1731 abi_ulong target_addrlen)
1be9e1dc
PB		 1732{
1733 socklen_t addrlen;
1734 void *addr;
1735 void *host_msg;
992f48a0 1736 abi_long ret;
1be9e1dc 1737
579a97f7
FB		 1738 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1739 if (!host_msg)
1740 return -TARGET_EFAULT;
1be9e1dc 1741 if (target_addr) {
2f619698
FB		 1742 if (get_user_u32(addrlen, target_addrlen)) {
1743 ret = -TARGET_EFAULT;
1744 goto fail;
1745 }
be09ac41 1746 if (addrlen < 0) {
8f7aeaf6
AJ		 1747 ret = -TARGET_EINVAL;
1748 goto fail;
1749 }
1be9e1dc
PB		 1750 addr = alloca(addrlen);
1751 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1752 } else {
1753 addr = NULL; /* To keep compiler quiet. */
1754 ret = get_errno(recv(fd, host_msg, len, flags));
1755 }
1756 if (!is_error(ret)) {
1757 if (target_addr) {
1758 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1759 if (put_user_u32(addrlen, target_addrlen)) {
1760 ret = -TARGET_EFAULT;
1761 goto fail;
1762 }
1be9e1dc
PB		 1763 }
1764 unlock_user(host_msg, msg, len);
1765 } else {
2f619698 1766fail:
1be9e1dc
PB		 1767 unlock_user(host_msg, msg, 0);
1768 }
1769 return ret;
1770}
1771
32407103 1772#ifdef TARGET_NR_socketcall
0da46a6e 1773/* do_socketcall() Must return target values and target errnos. */
992f48a0 1774static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 1775{
992f48a0
BS		 1776 abi_long ret;
1777 const int n = sizeof(abi_ulong);
31e31b8a
FB		 1778
1779 switch(num) {
1780 case SOCKOP_socket:
7854b056 1781 {
98818189 1782 abi_ulong domain, type, protocol;
2f619698 1783
98818189
UH		 1784 if (get_user_ual(domain, vptr)
1785 || get_user_ual(type, vptr + n)
1786 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 1787 return -TARGET_EFAULT;
1788
3532fa74 1789 ret = do_socket(domain, type, protocol);
7854b056 1790 }
31e31b8a
FB		 1791 break;
1792 case SOCKOP_bind:
7854b056 1793 {
98818189 1794 abi_ulong sockfd;
2f619698
FB		 1795 abi_ulong target_addr;
1796 socklen_t addrlen;
1797
98818189 1798 if (get_user_ual(sockfd, vptr)
2f619698 1799 || get_user_ual(target_addr, vptr + n)
98818189 1800 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1801 return -TARGET_EFAULT;
1802
3532fa74 1803 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1804 }
31e31b8a
FB		 1805 break;
1806 case SOCKOP_connect:
7854b056 1807 {
98818189 1808 abi_ulong sockfd;
2f619698
FB		 1809 abi_ulong target_addr;
1810 socklen_t addrlen;
1811
98818189 1812 if (get_user_ual(sockfd, vptr)
2f619698 1813 || get_user_ual(target_addr, vptr + n)
98818189 1814 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1815 return -TARGET_EFAULT;
1816
3532fa74 1817 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1818 }
31e31b8a
FB		 1819 break;
1820 case SOCKOP_listen:
7854b056 1821 {
98818189 1822 abi_ulong sockfd, backlog;
2f619698 1823
98818189
UH		 1824 if (get_user_ual(sockfd, vptr)
1825 || get_user_ual(backlog, vptr + n))
2f619698
FB		 1826 return -TARGET_EFAULT;
1827
7854b056
FB		 1828 ret = get_errno(listen(sockfd, backlog));
1829 }
31e31b8a
FB		 1830 break;
1831 case SOCKOP_accept:
1832 {
98818189 1833 abi_ulong sockfd;
2f619698
FB		 1834 abi_ulong target_addr, target_addrlen;
1835
98818189 1836 if (get_user_ual(sockfd, vptr)
2f619698 1837 || get_user_ual(target_addr, vptr + n)
98818189 1838 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1839 return -TARGET_EFAULT;
1840
1be9e1dc 1841 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1842 }
1843 break;
1844 case SOCKOP_getsockname:
1845 {
98818189 1846 abi_ulong sockfd;
2f619698
FB		 1847 abi_ulong target_addr, target_addrlen;
1848
98818189 1849 if (get_user_ual(sockfd, vptr)
2f619698 1850 || get_user_ual(target_addr, vptr + n)
98818189 1851 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1852 return -TARGET_EFAULT;
1853
1be9e1dc 1854 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1855 }
1856 break;
1857 case SOCKOP_getpeername:
1858 {
98818189 1859 abi_ulong sockfd;
2f619698
FB		 1860 abi_ulong target_addr, target_addrlen;
1861
98818189 1862 if (get_user_ual(sockfd, vptr)
2f619698 1863 || get_user_ual(target_addr, vptr + n)
98818189 1864 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1865 return -TARGET_EFAULT;
1866
1be9e1dc 1867 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1868 }
1869 break;
1870 case SOCKOP_socketpair:
1871 {
98818189 1872 abi_ulong domain, type, protocol;
2f619698
FB		 1873 abi_ulong tab;
1874
98818189
UH		 1875 if (get_user_ual(domain, vptr)
1876 || get_user_ual(type, vptr + n)
1877 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 1878 || get_user_ual(tab, vptr + 3 * n))
1879 return -TARGET_EFAULT;
1880
1be9e1dc 1881 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1882 }
1883 break;
1884 case SOCKOP_send:
7854b056 1885 {
98818189 1886 abi_ulong sockfd;
2f619698
FB		 1887 abi_ulong msg;
1888 size_t len;
98818189 1889 abi_ulong flags;
2f619698 1890
98818189 1891 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1892 || get_user_ual(msg, vptr + n)
1893 || get_user_ual(len, vptr + 2 * n)
98818189 1894 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 1895 return -TARGET_EFAULT;
1896
1be9e1dc 1897 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1898 }
31e31b8a
FB		 1899 break;
1900 case SOCKOP_recv:
7854b056 1901 {
98818189 1902 abi_ulong sockfd;
2f619698
FB		 1903 abi_ulong msg;
1904 size_t len;
98818189 1905 abi_ulong flags;
2f619698 1906
98818189 1907 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1908 || get_user_ual(msg, vptr + n)
1909 || get_user_ual(len, vptr + 2 * n)
98818189 1910 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 1911 return -TARGET_EFAULT;
1912
1be9e1dc 1913 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1914 }
31e31b8a
FB		 1915 break;
1916 case SOCKOP_sendto:
7854b056 1917 {
98818189 1918 abi_ulong sockfd;
2f619698
FB		 1919 abi_ulong msg;
1920 size_t len;
98818189 1921 abi_ulong flags;
2f619698
FB		 1922 abi_ulong addr;
1923 socklen_t addrlen;
1924
98818189 1925 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1926 || get_user_ual(msg, vptr + n)
1927 || get_user_ual(len, vptr + 2 * n)
98818189 1928 || get_user_ual(flags, vptr + 3 * n)
2f619698 1929 || get_user_ual(addr, vptr + 4 * n)
98818189 1930 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 1931 return -TARGET_EFAULT;
1932
1be9e1dc 1933 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1934 }
31e31b8a
FB		 1935 break;
1936 case SOCKOP_recvfrom:
1937 {
98818189 1938 abi_ulong sockfd;
2f619698
FB		 1939 abi_ulong msg;
1940 size_t len;
98818189 1941 abi_ulong flags;
2f619698
FB		 1942 abi_ulong addr;
1943 socklen_t addrlen;
1944
98818189 1945 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1946 || get_user_ual(msg, vptr + n)
1947 || get_user_ual(len, vptr + 2 * n)
98818189 1948 || get_user_ual(flags, vptr + 3 * n)
2f619698 1949 || get_user_ual(addr, vptr + 4 * n)
98818189 1950 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 1951 return -TARGET_EFAULT;
1952
1be9e1dc 1953 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1954 }
1955 break;
1956 case SOCKOP_shutdown:
7854b056 1957 {
98818189 1958 abi_ulong sockfd, how;
2f619698 1959
98818189
UH		 1960 if (get_user_ual(sockfd, vptr)
1961 || get_user_ual(how, vptr + n))
2f619698 1962 return -TARGET_EFAULT;
7854b056
FB		 1963
1964 ret = get_errno(shutdown(sockfd, how));
1965 }
31e31b8a
FB		 1966 break;
1967 case SOCKOP_sendmsg:
1968 case SOCKOP_recvmsg:
1a9353d2 1969 {
98818189 1970 abi_ulong fd;
992f48a0 1971 abi_ulong target_msg;
98818189 1972 abi_ulong flags;
1a9353d2 1973
98818189 1974 if (get_user_ual(fd, vptr)
2f619698 1975 || get_user_ual(target_msg, vptr + n)
98818189 1976 || get_user_ual(flags, vptr + 2 * n))
2f619698 1977 return -TARGET_EFAULT;
3532fa74 1978
5fafdf24 1979 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 1980 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1981 }
1982 break;
31e31b8a 1983 case SOCKOP_setsockopt:
7854b056 1984 {
98818189
UH		 1985 abi_ulong sockfd;
1986 abi_ulong level;
1987 abi_ulong optname;
2f619698
FB		 1988 abi_ulong optval;
1989 socklen_t optlen;
1990
98818189
UH		 1991 if (get_user_ual(sockfd, vptr)
1992 || get_user_ual(level, vptr + n)
1993 || get_user_ual(optname, vptr + 2 * n)
2f619698 1994 || get_user_ual(optval, vptr + 3 * n)
98818189 1995 || get_user_ual(optlen, vptr + 4 * n))
2f619698 1996 return -TARGET_EFAULT;
7854b056
FB		 1997
1998 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1999 }
2000 break;
31e31b8a 2001 case SOCKOP_getsockopt:
7854b056 2002 {
98818189
UH		 2003 abi_ulong sockfd;
2004 abi_ulong level;
2005 abi_ulong optname;
2f619698
FB		 2006 abi_ulong optval;
2007 socklen_t optlen;
2008
98818189
UH		 2009 if (get_user_ual(sockfd, vptr)
2010 || get_user_ual(level, vptr + n)
2011 || get_user_ual(optname, vptr + 2 * n)
2f619698 2012 || get_user_ual(optval, vptr + 3 * n)
98818189 2013 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2014 return -TARGET_EFAULT;
7854b056 2015
2f619698 2016 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2017 }
2018 break;
31e31b8a
FB		 2019 default:
2020 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2021 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2022 break;
2023 }
2024 return ret;
2025}
32407103 2026#endif
31e31b8a 2027
8853f86e
FB		 2028#define N_SHM_REGIONS 32
2029
2030static struct shm_region {
5a4a898d
FB		 2031 abi_ulong start;
2032 abi_ulong size;
8853f86e
FB		 2033} shm_regions[N_SHM_REGIONS];
2034
3eb6b044
TS		 2035struct target_ipc_perm
2036{
992f48a0
BS		 2037 abi_long __key;
2038 abi_ulong uid;
2039 abi_ulong gid;
2040 abi_ulong cuid;
2041 abi_ulong cgid;
3eb6b044
TS		 2042 unsigned short int mode;
2043 unsigned short int __pad1;
2044 unsigned short int __seq;
2045 unsigned short int __pad2;
992f48a0
BS		 2046 abi_ulong __unused1;
2047 abi_ulong __unused2;
3eb6b044
TS		 2048};
2049
2050struct target_semid_ds
2051{
2052 struct target_ipc_perm sem_perm;
992f48a0
BS		 2053 abi_ulong sem_otime;
2054 abi_ulong __unused1;
2055 abi_ulong sem_ctime;
2056 abi_ulong __unused2;
2057 abi_ulong sem_nsems;
2058 abi_ulong __unused3;
2059 abi_ulong __unused4;
3eb6b044
TS		 2060};
2061
579a97f7
FB		 2062static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2063 abi_ulong target_addr)
3eb6b044
TS		 2064{
2065 struct target_ipc_perm *target_ip;
2066 struct target_semid_ds *target_sd;
2067
579a97f7
FB		 2068 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2069 return -TARGET_EFAULT;
e8bbe36c 2070 target_ip = &(target_sd->sem_perm);
3eb6b044
TS		 2071 host_ip->__key = tswapl(target_ip->__key);
2072 host_ip->uid = tswapl(target_ip->uid);
2073 host_ip->gid = tswapl(target_ip->gid);
2074 host_ip->cuid = tswapl(target_ip->cuid);
2075 host_ip->cgid = tswapl(target_ip->cgid);
2076 host_ip->mode = tswapl(target_ip->mode);
2077 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2078 return 0;
3eb6b044
TS		 2079}
2080
579a97f7
FB		 2081static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2082 struct ipc_perm *host_ip)
3eb6b044
TS		 2083{
2084 struct target_ipc_perm *target_ip;
2085 struct target_semid_ds *target_sd;
2086
579a97f7
FB		 2087 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2088 return -TARGET_EFAULT;
3eb6b044
TS		 2089 target_ip = &(target_sd->sem_perm);
2090 target_ip->__key = tswapl(host_ip->__key);
2091 target_ip->uid = tswapl(host_ip->uid);
2092 target_ip->gid = tswapl(host_ip->gid);
2093 target_ip->cuid = tswapl(host_ip->cuid);
2094 target_ip->cgid = tswapl(host_ip->cgid);
2095 target_ip->mode = tswapl(host_ip->mode);
2096 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2097 return 0;
3eb6b044
TS		 2098}
2099
579a97f7
FB		 2100static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2101 abi_ulong target_addr)
3eb6b044
TS		 2102{
2103 struct target_semid_ds *target_sd;
2104
579a97f7
FB		 2105 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2106 return -TARGET_EFAULT;
e5289087
AJ		 2107 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2108 return -TARGET_EFAULT;
3eb6b044
TS		 2109 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2110 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2111 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2112 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2113 return 0;
3eb6b044
TS		 2114}
2115
579a97f7
FB		 2116static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2117 struct semid_ds *host_sd)
3eb6b044
TS		 2118{
2119 struct target_semid_ds *target_sd;
2120
579a97f7
FB		 2121 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2122 return -TARGET_EFAULT;
e5289087
AJ		 2123 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2124 return -TARGET_EFAULT;;
3eb6b044
TS		 2125 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2126 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2127 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2128 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2129 return 0;
3eb6b044
TS		 2130}
2131
e5289087
AJ		 2132struct target_seminfo {
2133 int semmap;
2134 int semmni;
2135 int semmns;
2136 int semmnu;
2137 int semmsl;
2138 int semopm;
2139 int semume;
2140 int semusz;
2141 int semvmx;
2142 int semaem;
2143};
2144
2145static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2146 struct seminfo *host_seminfo)
2147{
2148 struct target_seminfo *target_seminfo;
2149 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2150 return -TARGET_EFAULT;
2151 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2152 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2153 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2154 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2155 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2156 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2157 __put_user(host_seminfo->semume, &target_seminfo->semume);
2158 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2159 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2160 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2161 unlock_user_struct(target_seminfo, target_addr, 1);
2162 return 0;
2163}
2164
fa294816
TS		 2165union semun {
2166 int val;
3eb6b044 2167 struct semid_ds *buf;
fa294816 2168 unsigned short *array;
e5289087 2169 struct seminfo *__buf;
fa294816
TS		 2170};
2171
3eb6b044
TS		 2172union target_semun {
2173 int val;
e5289087
AJ		 2174 abi_ulong buf;
2175 abi_ulong array;
2176 abi_ulong __buf;
3eb6b044
TS		 2177};
2178
e5289087
AJ		 2179static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2180 abi_ulong target_addr)
3eb6b044 2181{
e5289087
AJ		 2182 int nsems;
2183 unsigned short *array;
2184 union semun semun;
2185 struct semid_ds semid_ds;
2186 int i, ret;
3eb6b044 2187
e5289087
AJ		 2188 semun.buf = &semid_ds;
2189
2190 ret = semctl(semid, 0, IPC_STAT, semun);
2191 if (ret == -1)
2192 return get_errno(ret);
2193
2194 nsems = semid_ds.sem_nsems;
2195
2196 *host_array = malloc(nsems*sizeof(unsigned short));
2197 array = lock_user(VERIFY_READ, target_addr,
2198 nsems*sizeof(unsigned short), 1);
2199 if (!array)
2200 return -TARGET_EFAULT;
2201
2202 for(i=0; i<nsems; i++) {
2203 __get_user((*host_array)[i], &array[i]);
3eb6b044 2204 }
e5289087
AJ		 2205 unlock_user(array, target_addr, 0);
2206
579a97f7 2207 return 0;
3eb6b044
TS		 2208}
2209
e5289087
AJ		 2210static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2211 unsigned short **host_array)
3eb6b044 2212{
e5289087
AJ		 2213 int nsems;
2214 unsigned short *array;
2215 union semun semun;
2216 struct semid_ds semid_ds;
2217 int i, ret;
3eb6b044 2218
e5289087
AJ		 2219 semun.buf = &semid_ds;
2220
2221 ret = semctl(semid, 0, IPC_STAT, semun);
2222 if (ret == -1)
2223 return get_errno(ret);
2224
2225 nsems = semid_ds.sem_nsems;
2226
2227 array = lock_user(VERIFY_WRITE, target_addr,
2228 nsems*sizeof(unsigned short), 0);
2229 if (!array)
2230 return -TARGET_EFAULT;
2231
2232 for(i=0; i<nsems; i++) {
2233 __put_user((*host_array)[i], &array[i]);
3eb6b044 2234 }
e5289087
AJ		 2235 free(*host_array);
2236 unlock_user(array, target_addr, 1);
2237
579a97f7 2238 return 0;
3eb6b044
TS		 2239}
2240
e5289087
AJ		 2241static inline abi_long do_semctl(int semid, int semnum, int cmd,
2242 union target_semun target_su)
3eb6b044
TS		 2243{
2244 union semun arg;
2245 struct semid_ds dsarg;
7b8118e8 2246 unsigned short *array = NULL;
e5289087
AJ		 2247 struct seminfo seminfo;
2248 abi_long ret = -TARGET_EINVAL;
2249 abi_long err;
2250 cmd &= 0xff;
3eb6b044
TS		 2251
2252 switch( cmd ) {
2253 case GETVAL:
3eb6b044 2254 case SETVAL:
e5289087
AJ		 2255 arg.val = tswapl(target_su.val);
2256 ret = get_errno(semctl(semid, semnum, cmd, arg));
2257 target_su.val = tswapl(arg.val);
3eb6b044
TS		 2258 break;
2259 case GETALL:
3eb6b044 2260 case SETALL:
e5289087
AJ		 2261 err = target_to_host_semarray(semid, &array, target_su.array);
2262 if (err)
2263 return err;
2264 arg.array = array;
2265 ret = get_errno(semctl(semid, semnum, cmd, arg));
2266 err = host_to_target_semarray(semid, target_su.array, &array);
2267 if (err)
2268 return err;
3eb6b044
TS		 2269 break;
2270 case IPC_STAT:
3eb6b044 2271 case IPC_SET:
e5289087
AJ		 2272 case SEM_STAT:
2273 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2274 if (err)
2275 return err;
2276 arg.buf = &dsarg;
2277 ret = get_errno(semctl(semid, semnum, cmd, arg));
2278 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2279 if (err)
2280 return err;
2281 break;
2282 case IPC_INFO:
2283 case SEM_INFO:
2284 arg.__buf = &seminfo;
2285 ret = get_errno(semctl(semid, semnum, cmd, arg));
2286 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2287 if (err)
2288 return err;
2289 break;
2290 case IPC_RMID:
2291 case GETPID:
2292 case GETNCNT:
2293 case GETZCNT:
2294 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2295 break;
3eb6b044
TS		 2296 }
2297
2298 return ret;
2299}
2300
e5289087
AJ		 2301struct target_sembuf {
2302 unsigned short sem_num;
2303 short sem_op;
2304 short sem_flg;
2305};
2306
2307static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2308 abi_ulong target_addr,
2309 unsigned nsops)
2310{
2311 struct target_sembuf *target_sembuf;
2312 int i;
2313
2314 target_sembuf = lock_user(VERIFY_READ, target_addr,
2315 nsops*sizeof(struct target_sembuf), 1);
2316 if (!target_sembuf)
2317 return -TARGET_EFAULT;
2318
2319 for(i=0; i<nsops; i++) {
2320 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2321 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2322 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2323 }
2324
2325 unlock_user(target_sembuf, target_addr, 0);
2326
2327 return 0;
2328}
2329
2330static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2331{
2332 struct sembuf sops[nsops];
2333
2334 if (target_to_host_sembuf(sops, ptr, nsops))
2335 return -TARGET_EFAULT;
2336
2337 return semop(semid, sops, nsops);
2338}
2339
1bc012f6
TS		 2340struct target_msqid_ds
2341{
1c54ff97
AJ		 2342 struct target_ipc_perm msg_perm;
2343 abi_ulong msg_stime;
2344#if TARGET_ABI_BITS == 32
2345 abi_ulong __unused1;
2346#endif
2347 abi_ulong msg_rtime;
2348#if TARGET_ABI_BITS == 32
2349 abi_ulong __unused2;
2350#endif
2351 abi_ulong msg_ctime;
2352#if TARGET_ABI_BITS == 32
2353 abi_ulong __unused3;
2354#endif
2355 abi_ulong __msg_cbytes;
2356 abi_ulong msg_qnum;
2357 abi_ulong msg_qbytes;
2358 abi_ulong msg_lspid;
2359 abi_ulong msg_lrpid;
2360 abi_ulong __unused4;
2361 abi_ulong __unused5;
1bc012f6
TS		 2362};
2363
579a97f7
FB		 2364static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2365 abi_ulong target_addr)
1bc012f6
TS		 2366{
2367 struct target_msqid_ds *target_md;
2368
579a97f7
FB		 2369 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2370 return -TARGET_EFAULT;
1c54ff97
AJ		 2371 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2372 return -TARGET_EFAULT;
1bc012f6
TS		 2373 host_md->msg_stime = tswapl(target_md->msg_stime);
2374 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2375 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2376 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2377 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2378 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2379 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2380 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2381 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2382 return 0;
1bc012f6
TS		 2383}
2384
579a97f7
FB		 2385static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2386 struct msqid_ds *host_md)
1bc012f6
TS		 2387{
2388 struct target_msqid_ds *target_md;
2389
579a97f7
FB		 2390 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2391 return -TARGET_EFAULT;
1c54ff97
AJ		 2392 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2393 return -TARGET_EFAULT;
1bc012f6
TS		 2394 target_md->msg_stime = tswapl(host_md->msg_stime);
2395 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2396 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2397 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2398 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2399 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2400 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2401 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2402 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2403 return 0;
1bc012f6
TS		 2404}
2405
1c54ff97
AJ		 2406struct target_msginfo {
2407 int msgpool;
2408 int msgmap;
2409 int msgmax;
2410 int msgmnb;
2411 int msgmni;
2412 int msgssz;
2413 int msgtql;
2414 unsigned short int msgseg;
2415};
2416
2417static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2418 struct msginfo *host_msginfo)
2419{
2420 struct target_msginfo *target_msginfo;
2421 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2422 return -TARGET_EFAULT;
2423 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2424 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2425 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2426 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2427 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2428 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2429 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2430 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2431 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2432 return 0;
1c54ff97
AJ		 2433}
2434
2435static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2436{
2437 struct msqid_ds dsarg;
1c54ff97
AJ		 2438 struct msginfo msginfo;
2439 abi_long ret = -TARGET_EINVAL;
2440
2441 cmd &= 0xff;
2442
2443 switch (cmd) {
1bc012f6
TS		 2444 case IPC_STAT:
2445 case IPC_SET:
1c54ff97
AJ		 2446 case MSG_STAT:
2447 if (target_to_host_msqid_ds(&dsarg,ptr))
2448 return -TARGET_EFAULT;
2449 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2450 if (host_to_target_msqid_ds(ptr,&dsarg))
2451 return -TARGET_EFAULT;
2452 break;
2453 case IPC_RMID:
2454 ret = get_errno(msgctl(msgid, cmd, NULL));
2455 break;
2456 case IPC_INFO:
2457 case MSG_INFO:
2458 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2459 if (host_to_target_msginfo(ptr, &msginfo))
2460 return -TARGET_EFAULT;
2461 break;
1bc012f6 2462 }
1c54ff97 2463
1bc012f6
TS		 2464 return ret;
2465}
2466
2467struct target_msgbuf {
1c54ff97
AJ		 2468 abi_long mtype;
2469 char mtext[1];
1bc012f6
TS		 2470};
2471
992f48a0
BS		 2472static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2473 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2474{
2475 struct target_msgbuf *target_mb;
2476 struct msgbuf *host_mb;
992f48a0 2477 abi_long ret = 0;
1bc012f6 2478
579a97f7
FB		 2479 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2480 return -TARGET_EFAULT;
1bc012f6 2481 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2482 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2483 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2484 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2485 free(host_mb);
2486 unlock_user_struct(target_mb, msgp, 0);
2487
2488 return ret;
2489}
2490
992f48a0 2491static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2492 unsigned int msgsz, abi_long msgtyp,
992f48a0 2493 int msgflg)
1bc012f6
TS		 2494{
2495 struct target_msgbuf *target_mb;
579a97f7 2496 char *target_mtext;
1bc012f6 2497 struct msgbuf *host_mb;
992f48a0 2498 abi_long ret = 0;
1bc012f6 2499
579a97f7
FB		 2500 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2501 return -TARGET_EFAULT;
1c54ff97 2502
1bc012f6 2503 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2504 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2505
579a97f7
FB		 2506 if (ret > 0) {
2507 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2508 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2509 if (!target_mtext) {
2510 ret = -TARGET_EFAULT;
2511 goto end;
2512 }
1c54ff97 2513 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2514 unlock_user(target_mtext, target_mtext_addr, ret);
2515 }
1c54ff97 2516
1bc012f6
TS		 2517 target_mb->mtype = tswapl(host_mb->mtype);
2518 free(host_mb);
1bc012f6 2519
579a97f7
FB		 2520end:
2521 if (target_mb)
2522 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 2523 return ret;
2524}
2525
88a8c984
RV		 2526struct target_shmid_ds
2527{
2528 struct target_ipc_perm shm_perm;
2529 abi_ulong shm_segsz;
2530 abi_ulong shm_atime;
2531#if TARGET_ABI_BITS == 32
2532 abi_ulong __unused1;
2533#endif
2534 abi_ulong shm_dtime;
2535#if TARGET_ABI_BITS == 32
2536 abi_ulong __unused2;
2537#endif
2538 abi_ulong shm_ctime;
2539#if TARGET_ABI_BITS == 32
2540 abi_ulong __unused3;
2541#endif
2542 int shm_cpid;
2543 int shm_lpid;
2544 abi_ulong shm_nattch;
2545 unsigned long int __unused4;
2546 unsigned long int __unused5;
2547};
2548
2549static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2550 abi_ulong target_addr)
2551{
2552 struct target_shmid_ds *target_sd;
2553
2554 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2555 return -TARGET_EFAULT;
2556 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2557 return -TARGET_EFAULT;
2558 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2559 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2560 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2561 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2562 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2563 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2564 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2565 unlock_user_struct(target_sd, target_addr, 0);
2566 return 0;
2567}
2568
2569static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2570 struct shmid_ds *host_sd)
2571{
2572 struct target_shmid_ds *target_sd;
2573
2574 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2575 return -TARGET_EFAULT;
2576 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2577 return -TARGET_EFAULT;
2578 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2579 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2580 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2581 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2582 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2583 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2584 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2585 unlock_user_struct(target_sd, target_addr, 1);
2586 return 0;
2587}
2588
2589struct target_shminfo {
2590 abi_ulong shmmax;
2591 abi_ulong shmmin;
2592 abi_ulong shmmni;
2593 abi_ulong shmseg;
2594 abi_ulong shmall;
2595};
2596
2597static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2598 struct shminfo *host_shminfo)
2599{
2600 struct target_shminfo *target_shminfo;
2601 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2602 return -TARGET_EFAULT;
2603 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2604 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2605 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2606 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2607 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2608 unlock_user_struct(target_shminfo, target_addr, 1);
2609 return 0;
2610}
2611
2612struct target_shm_info {
2613 int used_ids;
2614 abi_ulong shm_tot;
2615 abi_ulong shm_rss;
2616 abi_ulong shm_swp;
2617 abi_ulong swap_attempts;
2618 abi_ulong swap_successes;
2619};
2620
2621static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2622 struct shm_info *host_shm_info)
2623{
2624 struct target_shm_info *target_shm_info;
2625 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2626 return -TARGET_EFAULT;
2627 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2628 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2629 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2630 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2631 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2632 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2633 unlock_user_struct(target_shm_info, target_addr, 1);
2634 return 0;
2635}
2636
2637static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2638{
2639 struct shmid_ds dsarg;
2640 struct shminfo shminfo;
2641 struct shm_info shm_info;
2642 abi_long ret = -TARGET_EINVAL;
2643
2644 cmd &= 0xff;
2645
2646 switch(cmd) {
2647 case IPC_STAT:
2648 case IPC_SET:
2649 case SHM_STAT:
2650 if (target_to_host_shmid_ds(&dsarg, buf))
2651 return -TARGET_EFAULT;
2652 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2653 if (host_to_target_shmid_ds(buf, &dsarg))
2654 return -TARGET_EFAULT;
2655 break;
2656 case IPC_INFO:
2657 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2658 if (host_to_target_shminfo(buf, &shminfo))
2659 return -TARGET_EFAULT;
2660 break;
2661 case SHM_INFO:
2662 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2663 if (host_to_target_shm_info(buf, &shm_info))
2664 return -TARGET_EFAULT;
2665 break;
2666 case IPC_RMID:
2667 case SHM_LOCK:
2668 case SHM_UNLOCK:
2669 ret = get_errno(shmctl(shmid, cmd, NULL));
2670 break;
2671 }
2672
2673 return ret;
2674}
2675
2676static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2677{
2678 abi_long raddr;
2679 void *host_raddr;
2680 struct shmid_ds shm_info;
2681 int i,ret;
2682
2683 /* find out the length of the shared memory segment */
2684 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2685 if (is_error(ret)) {
2686 /* can't get length, bail out */
2687 return ret;
2688 }
2689
2690 mmap_lock();
2691
2692 if (shmaddr)
2693 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2694 else {
2695 abi_ulong mmap_start;
2696
2697 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2698
2699 if (mmap_start == -1) {
2700 errno = ENOMEM;
2701 host_raddr = (void *)-1;
2702 } else
2703 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2704 }
2705
2706 if (host_raddr == (void *)-1) {
2707 mmap_unlock();
2708 return get_errno((long)host_raddr);
2709 }
2710 raddr=h2g((unsigned long)host_raddr);
2711
2712 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2713 PAGE_VALID | PAGE_READ |
2714 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2715
2716 for (i = 0; i < N_SHM_REGIONS; i++) {
2717 if (shm_regions[i].start == 0) {
2718 shm_regions[i].start = raddr;
2719 shm_regions[i].size = shm_info.shm_segsz;
2720 break;
2721 }
2722 }
2723
2724 mmap_unlock();
2725 return raddr;
2726
2727}
2728
2729static inline abi_long do_shmdt(abi_ulong shmaddr)
2730{
2731 int i;
2732
2733 for (i = 0; i < N_SHM_REGIONS; ++i) {
2734 if (shm_regions[i].start == shmaddr) {
2735 shm_regions[i].start = 0;
2736 page_set_flags(shmaddr, shm_regions[i].size, 0);
2737 break;
2738 }
2739 }
2740
2741 return get_errno(shmdt(g2h(shmaddr)));
2742}
2743
1c54ff97 2744#ifdef TARGET_NR_ipc
53a5960a 2745/* ??? This only works with linear mappings. */
0da46a6e 2746/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 2747static abi_long do_ipc(unsigned int call, int first,
2748 int second, int third,
2749 abi_long ptr, abi_long fifth)
8853f86e
FB		 2750{
2751 int version;
992f48a0 2752 abi_long ret = 0;
8853f86e
FB		 2753
2754 version = call >> 16;
2755 call &= 0xffff;
2756
2757 switch (call) {
fa294816 2758 case IPCOP_semop:
e5289087 2759 ret = do_semop(first, ptr, second);
fa294816
TS		 2760 break;
2761
2762 case IPCOP_semget:
2763 ret = get_errno(semget(first, second, third));
2764 break;
2765
2766 case IPCOP_semctl:
e5289087 2767 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 2768 break;
d96372ef 2769
1c54ff97
AJ		 2770 case IPCOP_msgget:
2771 ret = get_errno(msgget(first, second));
2772 break;
d96372ef 2773
1c54ff97
AJ		 2774 case IPCOP_msgsnd:
2775 ret = do_msgsnd(first, ptr, second, third);
2776 break;
d96372ef 2777
1c54ff97
AJ		 2778 case IPCOP_msgctl:
2779 ret = do_msgctl(first, second, ptr);
2780 break;
d96372ef 2781
1c54ff97
AJ		 2782 case IPCOP_msgrcv:
2783 switch (version) {
2784 case 0:
2785 {
2786 struct target_ipc_kludge {
2787 abi_long msgp;
2788 abi_long msgtyp;
2789 } *tmp;
2790
2791 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2792 ret = -TARGET_EFAULT;
2793 break;
2794 }
d96372ef 2795
1c54ff97 2796 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 2797
1c54ff97
AJ		 2798 unlock_user_struct(tmp, ptr, 0);
2799 break;
2800 }
2801 default:
2802 ret = do_msgrcv(first, ptr, second, fifth, third);
2803 }
2804 break;
d96372ef 2805
8853f86e 2806 case IPCOP_shmat:
88a8c984
RV		 2807 switch (version) {
2808 default:
5a4a898d
FB		 2809 {
2810 abi_ulong raddr;
88a8c984
RV		 2811 raddr = do_shmat(first, ptr, second);
2812 if (is_error(raddr))
2813 return get_errno(raddr);
2f619698 2814 if (put_user_ual(raddr, third))
5a4a898d 2815 return -TARGET_EFAULT;
88a8c984
RV		 2816 break;
2817 }
2818 case 1:
2819 ret = -TARGET_EINVAL;
2820 break;
5a4a898d 2821 }
8853f86e
FB		 2822 break;
2823 case IPCOP_shmdt:
88a8c984 2824 ret = do_shmdt(ptr);
8853f86e
FB		 2825 break;
2826
2827 case IPCOP_shmget:
2828 /* IPC_* flag values are the same on all linux platforms */
2829 ret = get_errno(shmget(first, second, third));
2830 break;
2831
2832 /* IPC_* and SHM_* command values are the same on all linux platforms */
2833 case IPCOP_shmctl:
88a8c984 2834 ret = do_shmctl(first, second, third);
8853f86e
FB		 2835 break;
2836 default:
32407103 2837 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 2838 ret = -TARGET_ENOSYS;
8853f86e
FB		 2839 break;
2840 }
2841 return ret;
2842}
32407103 2843#endif
8853f86e 2844
31e31b8a
FB		 2845/* kernel structure types definitions */
2846#define IFNAMSIZ 16
2847
001faf32 2848#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 2849#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2850enum {
2851#include "syscall_types.h"
2852};
2853#undef STRUCT
2854#undef STRUCT_SPECIAL
2855
001faf32 2856#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 2857#define STRUCT_SPECIAL(name)
2858#include "syscall_types.h"
2859#undef STRUCT
2860#undef STRUCT_SPECIAL
2861
2862typedef struct IOCTLEntry {
2ab83ea7
FB		 2863 unsigned int target_cmd;
2864 unsigned int host_cmd;
31e31b8a
FB		 2865 const char *name;
2866 int access;
1a9353d2 2867 const argtype arg_type[5];
31e31b8a
FB		 2868} IOCTLEntry;
2869
2870#define IOC_R 0x0001
2871#define IOC_W 0x0002
2872#define IOC_RW (IOC_R | IOC_W)
2873
2874#define MAX_STRUCT_SIZE 4096
2875
9f106a75 2876static IOCTLEntry ioctl_entries[] = {
001faf32
BS		 2877#define IOCTL(cmd, access, ...) \
2878 { TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } },
31e31b8a
FB		 2879#include "ioctls.h"
2880 { 0, 0, },
2881};
2882
53a5960a 2883/* ??? Implement proper locking for ioctls. */
0da46a6e 2884/* do_ioctl() Must return target values and target errnos. */
992f48a0 2885static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 2886{
2887 const IOCTLEntry *ie;
2888 const argtype *arg_type;
992f48a0 2889 abi_long ret;
31e31b8a 2890 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 2891 int target_size;
2892 void *argptr;
31e31b8a
FB		 2893
2894 ie = ioctl_entries;
2895 for(;;) {
2896 if (ie->target_cmd == 0) {
32407103 2897 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 2898 return -TARGET_ENOSYS;
31e31b8a
FB		 2899 }
2900 if (ie->target_cmd == cmd)
2901 break;
2902 ie++;
2903 }
2904 arg_type = ie->arg_type;
9de5e440 2905#if defined(DEBUG)
32407103 2906 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 2907#endif
31e31b8a
FB		 2908 switch(arg_type[0]) {
2909 case TYPE_NULL:
2910 /* no argument */
2911 ret = get_errno(ioctl(fd, ie->host_cmd));
2912 break;
2913 case TYPE_PTRVOID:
2914 case TYPE_INT:
2915 /* int argment */
2916 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2917 break;
2918 case TYPE_PTR:
2919 arg_type++;
53a5960a 2920 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 2921 switch(ie->access) {
2922 case IOC_R:
2923 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2924 if (!is_error(ret)) {
579a97f7
FB		 2925 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2926 if (!argptr)
2927 return -TARGET_EFAULT;
53a5960a
PB		 2928 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2929 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2930 }
2931 break;
2932 case IOC_W:
579a97f7
FB		 2933 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2934 if (!argptr)
2935 return -TARGET_EFAULT;
53a5960a
PB		 2936 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2937 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2938 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2939 break;
2940 default:
2941 case IOC_RW:
579a97f7
FB		 2942 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2943 if (!argptr)
2944 return -TARGET_EFAULT;
53a5960a
PB		 2945 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2946 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2947 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2948 if (!is_error(ret)) {
579a97f7
FB		 2949 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2950 if (!argptr)
2951 return -TARGET_EFAULT;
53a5960a
PB		 2952 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2953 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2954 }
2955 break;
2956 }
2957 break;
2958 default:
32407103
JM		 2959 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2960 (long)cmd, arg_type[0]);
0da46a6e 2961 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2962 break;
2963 }
2964 return ret;
2965}
2966
b39bc503 2967static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 2968 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2969 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2970 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2971 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2972 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2973 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2974 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2975 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2976 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2977 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2978 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2979 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2980 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2981 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2982 { 0, 0, 0, 0 }
2983};
2984
b39bc503 2985static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 2986 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2987 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2988 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2989 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2990 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2991 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2992 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2993 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2994 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2995 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2996 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2997 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2998 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2999 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3000 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3001 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3002 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3003 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3004 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3005 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3006 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3007 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3008 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3009 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3010 { 0, 0, 0, 0 }
3011};
3012
b39bc503 3013static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3014 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3015 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3016 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3017 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3018 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3019 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3020 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3021 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3022 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3023 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3024 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3025 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3026 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3027 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3028 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3029 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3030 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3031 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3032 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3033 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3034 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3035 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3036 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3037 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3038 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3039 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3040 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3041 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3042 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3043 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3044 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3045 { 0, 0, 0, 0 }
3046};
3047
b39bc503 3048static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3049 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3050 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3051 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3052 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3053 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3054 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3055 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3056 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3057 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3058 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3059 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3060 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3061 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3062 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3063 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3064 { 0, 0, 0, 0 }
3065};
3066
3067static void target_to_host_termios (void *dst, const void *src)
3068{
3069 struct host_termios *host = dst;
3070 const struct target_termios *target = src;
3b46e624 3071
5fafdf24 3072 host->c_iflag =
31e31b8a 3073 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3074 host->c_oflag =
31e31b8a 3075 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3076 host->c_cflag =
31e31b8a 3077 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3078 host->c_lflag =
31e31b8a
FB		 3079 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3080 host->c_line = target->c_line;
3b46e624 3081
44607123 3082 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3083 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3084 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3085 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3086 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3087 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3088 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3089 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3090 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3091 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3092 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3093 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3094 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3095 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3096 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3097 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3098 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3099 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3100}
3b46e624 3101
31e31b8a
FB		 3102static void host_to_target_termios (void *dst, const void *src)
3103{
3104 struct target_termios *target = dst;
3105 const struct host_termios *host = src;
3106
5fafdf24 3107 target->c_iflag =
31e31b8a 3108 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3109 target->c_oflag =
31e31b8a 3110 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3111 target->c_cflag =
31e31b8a 3112 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3113 target->c_lflag =
31e31b8a
FB		 3114 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3115 target->c_line = host->c_line;
3b46e624 3116
44607123 3117 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3118 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3119 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3120 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3121 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3122 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3123 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3124 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3125 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3126 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3127 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3128 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3129 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3130 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3131 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3132 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3133 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3134 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3135}
3136
8e853dc7 3137static const StructEntry struct_termios_def = {
31e31b8a
FB		 3138 .convert = { host_to_target_termios, target_to_host_termios },
3139 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3140 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3141};
3142
5286db75
FB		 3143static bitmask_transtbl mmap_flags_tbl[] = {
3144 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3145 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3146 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3147 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3148 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3149 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3150 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3151 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3152 { 0, 0, 0, 0 }
3153};
3154
2ab83ea7 3155#if defined(TARGET_I386)
6dbad63e
FB		 3156
3157/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3158static uint8_t *ldt_table;
6dbad63e 3159
03acab66 3160static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3161{
3162 int size;
53a5960a 3163 void *p;
6dbad63e
FB		 3164
3165 if (!ldt_table)
3166 return 0;
3167 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3168 if (size > bytecount)
3169 size = bytecount;
579a97f7
FB		 3170 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3171 if (!p)
03acab66 3172 return -TARGET_EFAULT;
579a97f7 3173 /* ??? Should this by byteswapped? */
53a5960a
PB		 3174 memcpy(p, ldt_table, size);
3175 unlock_user(p, ptr, size);
6dbad63e
FB		 3176 return size;
3177}
3178
3179/* XXX: add locking support */
03acab66
FB		 3180static abi_long write_ldt(CPUX86State *env,
3181 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3182{
3183 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3184 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3185 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3186 int seg_not_present, useable, lm;
6dbad63e
FB		 3187 uint32_t *lp, entry_1, entry_2;
3188
3189 if (bytecount != sizeof(ldt_info))
03acab66 3190 return -TARGET_EINVAL;
579a97f7 3191 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3192 return -TARGET_EFAULT;
53a5960a
PB		 3193 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3194 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3195 ldt_info.limit = tswap32(target_ldt_info->limit);
3196 ldt_info.flags = tswap32(target_ldt_info->flags);
3197 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3198
6dbad63e 3199 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3200 return -TARGET_EINVAL;
6dbad63e
FB		 3201 seg_32bit = ldt_info.flags & 1;
3202 contents = (ldt_info.flags >> 1) & 3;
3203 read_exec_only = (ldt_info.flags >> 3) & 1;
3204 limit_in_pages = (ldt_info.flags >> 4) & 1;
3205 seg_not_present = (ldt_info.flags >> 5) & 1;
3206 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3207#ifdef TARGET_ABI32
3208 lm = 0;
3209#else
3210 lm = (ldt_info.flags >> 7) & 1;
3211#endif
6dbad63e
FB		 3212 if (contents == 3) {
3213 if (oldmode)
03acab66 3214 return -TARGET_EINVAL;
6dbad63e 3215 if (seg_not_present == 0)
03acab66 3216 return -TARGET_EINVAL;
6dbad63e
FB		 3217 }
3218 /* allocate the LDT */
3219 if (!ldt_table) {
e441570f
AZ		 3220 env->ldt.base = target_mmap(0,
3221 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3222 PROT_READ|PROT_WRITE,
3223 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3224 if (env->ldt.base == -1)
03acab66 3225 return -TARGET_ENOMEM;
e441570f
AZ		 3226 memset(g2h(env->ldt.base), 0,
3227 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3228 env->ldt.limit = 0xffff;
e441570f 3229 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3230 }
3231
3232 /* NOTE: same code as Linux kernel */
3233 /* Allow LDTs to be cleared by the user. */
3234 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3235 if (oldmode ||
3236 (contents == 0 &&
3237 read_exec_only == 1 &&
3238 seg_32bit == 0 &&
3239 limit_in_pages == 0 &&
3240 seg_not_present == 1 &&
3241 useable == 0 )) {
3242 entry_1 = 0;
3243 entry_2 = 0;
3244 goto install;
3245 }
3246 }
3b46e624 3247
6dbad63e
FB		 3248 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3249 (ldt_info.limit & 0x0ffff);
3250 entry_2 = (ldt_info.base_addr & 0xff000000) |
3251 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3252 (ldt_info.limit & 0xf0000) |
3253 ((read_exec_only ^ 1) << 9) |
3254 (contents << 10) |
3255 ((seg_not_present ^ 1) << 15) |
3256 (seg_32bit << 22) |
3257 (limit_in_pages << 23) |
8d18e893 3258 (lm << 21) |
6dbad63e
FB		 3259 0x7000;
3260 if (!oldmode)
3261 entry_2 |= (useable << 20);
14ae3ba7 3262
6dbad63e
FB		 3263 /* Install the new entry ... */
3264install:
3265 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3266 lp[0] = tswap32(entry_1);
3267 lp[1] = tswap32(entry_2);
3268 return 0;
3269}
3270
3271/* specific and weird i386 syscalls */
8fcd3692
BS		 3272static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3273 unsigned long bytecount)
6dbad63e 3274{
03acab66 3275 abi_long ret;
3b46e624 3276
6dbad63e
FB		 3277 switch (func) {
3278 case 0:
3279 ret = read_ldt(ptr, bytecount);
3280 break;
3281 case 1:
3282 ret = write_ldt(env, ptr, bytecount, 1);
3283 break;
3284 case 0x11:
3285 ret = write_ldt(env, ptr, bytecount, 0);
3286 break;
03acab66
FB		 3287 default:
3288 ret = -TARGET_ENOSYS;
3289 break;
6dbad63e
FB		 3290 }
3291 return ret;
3292}
1b6b029e 3293
4583f589 3294#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 3295static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3296{
3297 uint64_t *gdt_table = g2h(env->gdt.base);
3298 struct target_modify_ldt_ldt_s ldt_info;
3299 struct target_modify_ldt_ldt_s *target_ldt_info;
3300 int seg_32bit, contents, read_exec_only, limit_in_pages;
3301 int seg_not_present, useable, lm;
3302 uint32_t *lp, entry_1, entry_2;
3303 int i;
3304
3305 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3306 if (!target_ldt_info)
3307 return -TARGET_EFAULT;
3308 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3309 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3310 ldt_info.limit = tswap32(target_ldt_info->limit);
3311 ldt_info.flags = tswap32(target_ldt_info->flags);
3312 if (ldt_info.entry_number == -1) {
3313 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3314 if (gdt_table[i] == 0) {
3315 ldt_info.entry_number = i;
3316 target_ldt_info->entry_number = tswap32(i);
3317 break;
3318 }
3319 }
3320 }
3321 unlock_user_struct(target_ldt_info, ptr, 1);
3322
3323 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3324 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3325 return -TARGET_EINVAL;
3326 seg_32bit = ldt_info.flags & 1;
3327 contents = (ldt_info.flags >> 1) & 3;
3328 read_exec_only = (ldt_info.flags >> 3) & 1;
3329 limit_in_pages = (ldt_info.flags >> 4) & 1;
3330 seg_not_present = (ldt_info.flags >> 5) & 1;
3331 useable = (ldt_info.flags >> 6) & 1;
3332#ifdef TARGET_ABI32
3333 lm = 0;
3334#else
3335 lm = (ldt_info.flags >> 7) & 1;
3336#endif
3337
3338 if (contents == 3) {
3339 if (seg_not_present == 0)
3340 return -TARGET_EINVAL;
3341 }
3342
3343 /* NOTE: same code as Linux kernel */
3344 /* Allow LDTs to be cleared by the user. */
3345 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3346 if ((contents == 0 &&
3347 read_exec_only == 1 &&
3348 seg_32bit == 0 &&
3349 limit_in_pages == 0 &&
3350 seg_not_present == 1 &&
3351 useable == 0 )) {
3352 entry_1 = 0;
3353 entry_2 = 0;
3354 goto install;
3355 }
3356 }
3357
3358 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3359 (ldt_info.limit & 0x0ffff);
3360 entry_2 = (ldt_info.base_addr & 0xff000000) |
3361 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3362 (ldt_info.limit & 0xf0000) |
3363 ((read_exec_only ^ 1) << 9) |
3364 (contents << 10) |
3365 ((seg_not_present ^ 1) << 15) |
3366 (seg_32bit << 22) |
3367 (limit_in_pages << 23) |
3368 (useable << 20) |
3369 (lm << 21) |
3370 0x7000;
3371
3372 /* Install the new entry ... */
3373install:
3374 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3375 lp[0] = tswap32(entry_1);
3376 lp[1] = tswap32(entry_2);
3377 return 0;
3378}
3379
8fcd3692 3380static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3381{
3382 struct target_modify_ldt_ldt_s *target_ldt_info;
3383 uint64_t *gdt_table = g2h(env->gdt.base);
3384 uint32_t base_addr, limit, flags;
3385 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3386 int seg_not_present, useable, lm;
3387 uint32_t *lp, entry_1, entry_2;
3388
3389 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3390 if (!target_ldt_info)
3391 return -TARGET_EFAULT;
3392 idx = tswap32(target_ldt_info->entry_number);
3393 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3394 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3395 unlock_user_struct(target_ldt_info, ptr, 1);
3396 return -TARGET_EINVAL;
3397 }
3398 lp = (uint32_t *)(gdt_table + idx);
3399 entry_1 = tswap32(lp[0]);
3400 entry_2 = tswap32(lp[1]);
3401
3402 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3403 contents = (entry_2 >> 10) & 3;
3404 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3405 seg_32bit = (entry_2 >> 22) & 1;
3406 limit_in_pages = (entry_2 >> 23) & 1;
3407 useable = (entry_2 >> 20) & 1;
3408#ifdef TARGET_ABI32
3409 lm = 0;
3410#else
3411 lm = (entry_2 >> 21) & 1;
3412#endif
3413 flags = (seg_32bit << 0) | (contents << 1) |
3414 (read_exec_only << 3) | (limit_in_pages << 4) |
3415 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3416 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3417 base_addr = (entry_1 >> 16) |
3418 (entry_2 & 0xff000000) |
3419 ((entry_2 & 0xff) << 16);
3420 target_ldt_info->base_addr = tswapl(base_addr);
3421 target_ldt_info->limit = tswap32(limit);
3422 target_ldt_info->flags = tswap32(flags);
3423 unlock_user_struct(target_ldt_info, ptr, 1);
3424 return 0;
3425}
4583f589 3426#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 3427
d2fd1af7 3428#ifndef TARGET_ABI32
8fcd3692 3429static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7
FB		 3430{
3431 abi_long ret;
3432 abi_ulong val;
3433 int idx;
3434
3435 switch(code) {
3436 case TARGET_ARCH_SET_GS:
3437 case TARGET_ARCH_SET_FS:
3438 if (code == TARGET_ARCH_SET_GS)
3439 idx = R_GS;
3440 else
3441 idx = R_FS;
3442 cpu_x86_load_seg(env, idx, 0);
3443 env->segs[idx].base = addr;
3444 break;
3445 case TARGET_ARCH_GET_GS:
3446 case TARGET_ARCH_GET_FS:
3447 if (code == TARGET_ARCH_GET_GS)
3448 idx = R_GS;
3449 else
3450 idx = R_FS;
3451 val = env->segs[idx].base;
3452 if (put_user(val, addr, abi_ulong))
3453 return -TARGET_EFAULT;
3454 break;
3455 default:
3456 ret = -TARGET_EINVAL;
3457 break;
3458 }
3459 return 0;
3460}
3461#endif
3462
2ab83ea7
FB		 3463#endif /* defined(TARGET_I386) */
3464
2f7bb878 3465#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3466
3467#define NEW_STACK_SIZE PTHREAD_STACK_MIN
3468
3469static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3470typedef struct {
3471 CPUState *env;
3472 pthread_mutex_t mutex;
3473 pthread_cond_t cond;
3474 pthread_t thread;
3475 uint32_t tid;
3476 abi_ulong child_tidptr;
3477 abi_ulong parent_tidptr;
3478 sigset_t sigmask;
3479} new_thread_info;
3480
3481static void *clone_func(void *arg)
3482{
3483 new_thread_info *info = arg;
3484 CPUState *env;
edf8e2af 3485 TaskState *ts;
d865bab5
PB		 3486
3487 env = info->env;
3488 thread_env = env;
edf8e2af 3489 ts = (TaskState *)thread_env->opaque;
d865bab5 3490 info->tid = gettid();
1e9fa730 3491 env->host_tid = info->tid;
edf8e2af 3492 task_settid(ts);
d865bab5
PB		 3493 if (info->child_tidptr)
3494 put_user_u32(info->tid, info->child_tidptr);
3495 if (info->parent_tidptr)
3496 put_user_u32(info->tid, info->parent_tidptr);
3497 /* Enable signals. */
3498 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3499 /* Signal to the parent that we're ready. */
3500 pthread_mutex_lock(&info->mutex);
3501 pthread_cond_broadcast(&info->cond);
3502 pthread_mutex_unlock(&info->mutex);
3503 /* Wait until the parent has finshed initializing the tls state. */
3504 pthread_mutex_lock(&clone_lock);
3505 pthread_mutex_unlock(&clone_lock);
3506 cpu_loop(env);
3507 /* never exits */
3508 return NULL;
3509}
3510#else
1b6b029e
FB		 3511/* this stack is the equivalent of the kernel stack associated with a
3512 thread/process */
3513#define NEW_STACK_SIZE 8192
3514
3515static int clone_func(void *arg)
3516{
2ab83ea7 3517 CPUState *env = arg;
1b6b029e
FB		 3518 cpu_loop(env);
3519 /* never exits */
3520 return 0;
3521}
d865bab5 3522#endif
1b6b029e 3523
0da46a6e
TS		 3524/* do_fork() Must return host values and target errnos (unlike most
3525 do_*() functions). */
d865bab5
PB		 3526static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3527 abi_ulong parent_tidptr, target_ulong newtls,
3528 abi_ulong child_tidptr)
1b6b029e
FB		 3529{
3530 int ret;
5cd4393b 3531 TaskState *ts;
1b6b029e 3532 uint8_t *new_stack;
2ab83ea7 3533 CPUState *new_env;
2f7bb878 3534#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3535 unsigned int nptl_flags;
3536 sigset_t sigmask;
3537#endif
3b46e624 3538
436d124b
AZ		 3539 /* Emulate vfork() with fork() */
3540 if (flags & CLONE_VFORK)
3541 flags &= ~(CLONE_VFORK | CLONE_VM);
3542
1b6b029e 3543 if (flags & CLONE_VM) {
edf8e2af 3544 TaskState *parent_ts = (TaskState *)env->opaque;
2f7bb878 3545#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3546 new_thread_info info;
3547 pthread_attr_t attr;
bd0c5661 3548#endif
c3a92833 3549 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
624f7979 3550 init_task_state(ts);
5cd4393b 3551 new_stack = ts->stack;
1b6b029e 3552 /* we create a new CPU instance. */
c5be9f08 3553 new_env = cpu_copy(env);
6e68e076
PB		 3554 /* Init regs that differ from the parent. */
3555 cpu_clone_regs(new_env, newsp);
5cd4393b 3556 new_env->opaque = ts;
edf8e2af
MW		 3557 ts->bprm = parent_ts->bprm;
3558 ts->info = parent_ts->info;
2f7bb878 3559#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3560 nptl_flags = flags;
3561 flags &= ~CLONE_NPTL_FLAGS2;
3562
c2764719
PB		 3563 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3564 ts->child_tidptr = child_tidptr;
3565 }
3566
d865bab5
PB		 3567 if (nptl_flags & CLONE_SETTLS)
3568 cpu_set_tls (new_env, newtls);
3569
3570 /* Grab a mutex so that thread setup appears atomic. */
3571 pthread_mutex_lock(&clone_lock);
3572
3573 memset(&info, 0, sizeof(info));
3574 pthread_mutex_init(&info.mutex, NULL);
3575 pthread_mutex_lock(&info.mutex);
3576 pthread_cond_init(&info.cond, NULL);
3577 info.env = new_env;
3578 if (nptl_flags & CLONE_CHILD_SETTID)
3579 info.child_tidptr = child_tidptr;
3580 if (nptl_flags & CLONE_PARENT_SETTID)
3581 info.parent_tidptr = parent_tidptr;
3582
3583 ret = pthread_attr_init(&attr);
3584 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
3585 /* It is not safe to deliver signals until the child has finished
3586 initializing, so temporarily block all signals. */
3587 sigfillset(&sigmask);
3588 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3589
3590 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 3591 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 3592
3593 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3594 pthread_attr_destroy(&attr);
3595 if (ret == 0) {
3596 /* Wait for the child to initialize. */
3597 pthread_cond_wait(&info.cond, &info.mutex);
3598 ret = info.tid;
3599 if (flags & CLONE_PARENT_SETTID)
3600 put_user_u32(ret, parent_tidptr);
3601 } else {
3602 ret = -1;
3603 }
3604 pthread_mutex_unlock(&info.mutex);
3605 pthread_cond_destroy(&info.cond);
3606 pthread_mutex_destroy(&info.mutex);
3607 pthread_mutex_unlock(&clone_lock);
3608#else
3609 if (flags & CLONE_NPTL_FLAGS2)
3610 return -EINVAL;
3611 /* This is probably going to die very quickly, but do it anyway. */
27725c1d 3612#ifdef __ia64__
fd4a43e4 3613 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 3614#else
3615 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 3616#endif
27725c1d 3617#endif
1b6b029e
FB		 3618 } else {
3619 /* if no CLONE_VM, we consider it is a fork */
d865bab5 3620 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 3621 return -EINVAL;
d865bab5 3622 fork_start();
1b6b029e 3623 ret = fork();
d865bab5 3624 if (ret == 0) {
2b1319c8 3625 /* Child Process. */
d865bab5
PB		 3626 cpu_clone_regs(env, newsp);
3627 fork_end(1);
2f7bb878 3628#if defined(CONFIG_USE_NPTL)
2b1319c8
AJ		 3629 /* There is a race condition here. The parent process could
3630 theoretically read the TID in the child process before the child
3631 tid is set. This would require using either ptrace
3632 (not implemented) or having *_tidptr to point at a shared memory
3633 mapping. We can't repeat the spinlock hack used above because
3634 the child process gets its own copy of the lock. */
d865bab5
PB		 3635 if (flags & CLONE_CHILD_SETTID)
3636 put_user_u32(gettid(), child_tidptr);
3637 if (flags & CLONE_PARENT_SETTID)
3638 put_user_u32(gettid(), parent_tidptr);
3639 ts = (TaskState *)env->opaque;
3640 if (flags & CLONE_SETTLS)
3641 cpu_set_tls (env, newtls);
c2764719
PB		 3642 if (flags & CLONE_CHILD_CLEARTID)
3643 ts->child_tidptr = child_tidptr;
2b1319c8 3644#endif
d865bab5
PB		 3645 } else {
3646 fork_end(0);
3647 }
1b6b029e
FB		 3648 }
3649 return ret;
3650}
3651
5f106811
APR		 3652/* warning : doesn't handle linux specific flags... */
3653static int target_to_host_fcntl_cmd(int cmd)
3654{
3655 switch(cmd) {
3656 case TARGET_F_DUPFD:
3657 case TARGET_F_GETFD:
3658 case TARGET_F_SETFD:
3659 case TARGET_F_GETFL:
3660 case TARGET_F_SETFL:
3661 return cmd;
3662 case TARGET_F_GETLK:
3663 return F_GETLK;
3664 case TARGET_F_SETLK:
3665 return F_SETLK;
3666 case TARGET_F_SETLKW:
3667 return F_SETLKW;
3668 case TARGET_F_GETOWN:
3669 return F_GETOWN;
3670 case TARGET_F_SETOWN:
3671 return F_SETOWN;
3672 case TARGET_F_GETSIG:
3673 return F_GETSIG;
3674 case TARGET_F_SETSIG:
3675 return F_SETSIG;
3676#if TARGET_ABI_BITS == 32
3677 case TARGET_F_GETLK64:
3678 return F_GETLK64;
3679 case TARGET_F_SETLK64:
3680 return F_SETLK64;
3681 case TARGET_F_SETLKW64:
3682 return F_SETLKW64;
3683#endif
7e22e546
UH		 3684 case TARGET_F_SETLEASE:
3685 return F_SETLEASE;
3686 case TARGET_F_GETLEASE:
3687 return F_GETLEASE;
fbd5de9b 3688#ifdef F_DUPFD_CLOEXEC
7e22e546
UH		 3689 case TARGET_F_DUPFD_CLOEXEC:
3690 return F_DUPFD_CLOEXEC;
fbd5de9b 3691#endif
7e22e546
UH		 3692 case TARGET_F_NOTIFY:
3693 return F_NOTIFY;
5f106811
APR		 3694 default:
3695 return -TARGET_EINVAL;
3696 }
3697 return -TARGET_EINVAL;
3698}
3699
992f48a0 3700static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 3701{
3702 struct flock fl;
53a5960a 3703 struct target_flock *target_fl;
43f238d7
TS		 3704 struct flock64 fl64;
3705 struct target_flock64 *target_fl64;
992f48a0 3706 abi_long ret;
5f106811
APR		 3707 int host_cmd = target_to_host_fcntl_cmd(cmd);
3708
3709 if (host_cmd == -TARGET_EINVAL)
3710 return host_cmd;
53a5960a 3711
7775e9ec
FB		 3712 switch(cmd) {
3713 case TARGET_F_GETLK:
579a97f7
FB		 3714 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3715 return -TARGET_EFAULT;
5813427b
TS		 3716 fl.l_type = tswap16(target_fl->l_type);
3717 fl.l_whence = tswap16(target_fl->l_whence);
3718 fl.l_start = tswapl(target_fl->l_start);
3719 fl.l_len = tswapl(target_fl->l_len);
7e22e546 3720 fl.l_pid = tswap32(target_fl->l_pid);
5813427b 3721 unlock_user_struct(target_fl, arg, 0);
5f106811 3722 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3723 if (ret == 0) {
579a97f7
FB		 3724 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3725 return -TARGET_EFAULT;
7775e9ec
FB		 3726 target_fl->l_type = tswap16(fl.l_type);
3727 target_fl->l_whence = tswap16(fl.l_whence);
3728 target_fl->l_start = tswapl(fl.l_start);
3729 target_fl->l_len = tswapl(fl.l_len);
7e22e546 3730 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 3731 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 3732 }
3733 break;
3b46e624 3734
7775e9ec
FB		 3735 case TARGET_F_SETLK:
3736 case TARGET_F_SETLKW:
579a97f7
FB		 3737 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3738 return -TARGET_EFAULT;
7775e9ec
FB		 3739 fl.l_type = tswap16(target_fl->l_type);
3740 fl.l_whence = tswap16(target_fl->l_whence);
3741 fl.l_start = tswapl(target_fl->l_start);
3742 fl.l_len = tswapl(target_fl->l_len);
7e22e546 3743 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 3744 unlock_user_struct(target_fl, arg, 0);
5f106811 3745 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3746 break;
3b46e624 3747
7775e9ec 3748 case TARGET_F_GETLK64:
579a97f7
FB		 3749 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3750 return -TARGET_EFAULT;
5813427b
TS		 3751 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3752 fl64.l_whence = tswap16(target_fl64->l_whence);
3753 fl64.l_start = tswapl(target_fl64->l_start);
3754 fl64.l_len = tswapl(target_fl64->l_len);
7e22e546 3755 fl64.l_pid = tswap32(target_fl64->l_pid);
5813427b 3756 unlock_user_struct(target_fl64, arg, 0);
5f106811 3757 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 3758 if (ret == 0) {
579a97f7
FB		 3759 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3760 return -TARGET_EFAULT;
43f238d7
TS		 3761 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3762 target_fl64->l_whence = tswap16(fl64.l_whence);
3763 target_fl64->l_start = tswapl(fl64.l_start);
3764 target_fl64->l_len = tswapl(fl64.l_len);
7e22e546 3765 target_fl64->l_pid = tswap32(fl64.l_pid);
43f238d7
TS		 3766 unlock_user_struct(target_fl64, arg, 1);
3767 }
9ee1fa2c 3768 break;
7775e9ec
FB		 3769 case TARGET_F_SETLK64:
3770 case TARGET_F_SETLKW64:
579a97f7
FB		 3771 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3772 return -TARGET_EFAULT;
43f238d7
TS		 3773 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3774 fl64.l_whence = tswap16(target_fl64->l_whence);
3775 fl64.l_start = tswapl(target_fl64->l_start);
3776 fl64.l_len = tswapl(target_fl64->l_len);
7e22e546 3777 fl64.l_pid = tswap32(target_fl64->l_pid);
43f238d7 3778 unlock_user_struct(target_fl64, arg, 0);
5f106811 3779 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 3780 break;
3781
5f106811
APR		 3782 case TARGET_F_GETFL:
3783 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 3784 if (ret >= 0) {
3785 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3786 }
ffa65c3b
FB		 3787 break;
3788
5f106811
APR		 3789 case TARGET_F_SETFL:
3790 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
3791 break;
3792
3793 case TARGET_F_SETOWN:
3794 case TARGET_F_GETOWN:
3795 case TARGET_F_SETSIG:
3796 case TARGET_F_GETSIG:
7e22e546
UH		 3797 case TARGET_F_SETLEASE:
3798 case TARGET_F_GETLEASE:
5f106811 3799 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 3800 break;
3801
7775e9ec 3802 default:
9ee1fa2c 3803 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 3804 break;
3805 }
3806 return ret;
3807}
3808
67867308 3809#ifdef USE_UID16
7775e9ec 3810
67867308
FB		 3811static inline int high2lowuid(int uid)
3812{
3813 if (uid > 65535)
3814 return 65534;
3815 else
3816 return uid;
3817}
3818
3819static inline int high2lowgid(int gid)
3820{
3821 if (gid > 65535)
3822 return 65534;
3823 else
3824 return gid;
3825}
3826
3827static inline int low2highuid(int uid)
3828{
3829 if ((int16_t)uid == -1)
3830 return -1;
3831 else
3832 return uid;
3833}
3834
3835static inline int low2highgid(int gid)
3836{
3837 if ((int16_t)gid == -1)
3838 return -1;
3839 else
3840 return gid;
3841}
3842
3843#endif /* USE_UID16 */
1b6b029e 3844
31e31b8a
FB		 3845void syscall_init(void)
3846{
2ab83ea7
FB		 3847 IOCTLEntry *ie;
3848 const argtype *arg_type;
3849 int size;
b92c47c1 3850 int i;
2ab83ea7 3851
001faf32 3852#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 3853#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 3854#include "syscall_types.h"
3855#undef STRUCT
3856#undef STRUCT_SPECIAL
2ab83ea7
FB		 3857
3858 /* we patch the ioctl size if necessary. We rely on the fact that
3859 no ioctl has all the bits at '1' in the size field */
3860 ie = ioctl_entries;
3861 while (ie->target_cmd != 0) {
3862 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3863 TARGET_IOC_SIZEMASK) {
3864 arg_type = ie->arg_type;
3865 if (arg_type[0] != TYPE_PTR) {
5fafdf24 3866 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 3867 ie->target_cmd);
3868 exit(1);
3869 }
3870 arg_type++;
3871 size = thunk_type_size(arg_type, 0);
5fafdf24 3872 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 3873 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3874 (size << TARGET_IOC_SIZESHIFT);
3875 }
b92c47c1
TS		 3876
3877 /* Build target_to_host_errno_table[] table from
3878 * host_to_target_errno_table[]. */
3879 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3880 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3881
2ab83ea7 3882 /* automatic consistency check if same arch */
872ea0c0
AZ		 3883#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3884 (defined(__x86_64__) && defined(TARGET_X86_64))
3885 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3886 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3887 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 3888 }
3889#endif
3890 ie++;
3891 }
31e31b8a 3892}
c573ff67 3893
992f48a0 3894#if TARGET_ABI_BITS == 32
ce4defa0
PB		 3895static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3896{
af325d36 3897#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 3898 return ((uint64_t)word0 << 32) | word1;
3899#else
3900 return ((uint64_t)word1 << 32) | word0;
3901#endif
3902}
992f48a0 3903#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 3904static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3905{
3906 return word0;
3907}
992f48a0 3908#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 3909
3910#ifdef TARGET_NR_truncate64
992f48a0
BS		 3911static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3912 abi_long arg2,
3913 abi_long arg3,
3914 abi_long arg4)
ce4defa0
PB		 3915{
3916#ifdef TARGET_ARM
3917 if (((CPUARMState *)cpu_env)->eabi)
3918 {
3919 arg2 = arg3;
3920 arg3 = arg4;
3921 }
3922#endif
3923 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3924}
3925#endif
3926
3927#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 3928static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3929 abi_long arg2,
3930 abi_long arg3,
3931 abi_long arg4)
ce4defa0
PB		 3932{
3933#ifdef TARGET_ARM
3934 if (((CPUARMState *)cpu_env)->eabi)
3935 {
3936 arg2 = arg3;
3937 arg3 = arg4;
3938 }
3939#endif
3940 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3941}
3942#endif
3943
579a97f7
FB		 3944static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3945 abi_ulong target_addr)
53a5960a
PB		 3946{
3947 struct target_timespec *target_ts;
3948
579a97f7
FB		 3949 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3950 return -TARGET_EFAULT;
53a5960a
PB		 3951 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3952 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3953 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 3954 return 0;
53a5960a
PB		 3955}
3956
579a97f7
FB		 3957static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3958 struct timespec *host_ts)
53a5960a
PB		 3959{
3960 struct target_timespec *target_ts;
3961
579a97f7
FB		 3962 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3963 return -TARGET_EFAULT;
53a5960a
PB		 3964 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3965 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3966 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 3967 return 0;
53a5960a
PB		 3968}
3969
9d33b76b 3970#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 3971static inline abi_long host_to_target_stat64(void *cpu_env,
3972 abi_ulong target_addr,
3973 struct stat *host_st)
3974{
3975#ifdef TARGET_ARM
3976 if (((CPUARMState *)cpu_env)->eabi) {
3977 struct target_eabi_stat64 *target_st;
3978
3979 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3980 return -TARGET_EFAULT;
3981 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3982 __put_user(host_st->st_dev, &target_st->st_dev);
3983 __put_user(host_st->st_ino, &target_st->st_ino);
3984#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3985 __put_user(host_st->st_ino, &target_st->__st_ino);
3986#endif
3987 __put_user(host_st->st_mode, &target_st->st_mode);
3988 __put_user(host_st->st_nlink, &target_st->st_nlink);
3989 __put_user(host_st->st_uid, &target_st->st_uid);
3990 __put_user(host_st->st_gid, &target_st->st_gid);
3991 __put_user(host_st->st_rdev, &target_st->st_rdev);
3992 __put_user(host_st->st_size, &target_st->st_size);
3993 __put_user(host_st->st_blksize, &target_st->st_blksize);
3994 __put_user(host_st->st_blocks, &target_st->st_blocks);
3995 __put_user(host_st->st_atime, &target_st->target_st_atime);
3996 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3997 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3998 unlock_user_struct(target_st, target_addr, 1);
3999 } else
4000#endif
4001 {
9d33b76b
AJ		 4002#if TARGET_LONG_BITS == 64
4003 struct target_stat *target_st;
4004#else
6a24a778 4005 struct target_stat64 *target_st;
9d33b76b 4006#endif
6a24a778
AZ		 4007
4008 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
4009 return -TARGET_EFAULT;
9d33b76b 4010 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 4011 __put_user(host_st->st_dev, &target_st->st_dev);
4012 __put_user(host_st->st_ino, &target_st->st_ino);
4013#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
4014 __put_user(host_st->st_ino, &target_st->__st_ino);
4015#endif
4016 __put_user(host_st->st_mode, &target_st->st_mode);
4017 __put_user(host_st->st_nlink, &target_st->st_nlink);
4018 __put_user(host_st->st_uid, &target_st->st_uid);
4019 __put_user(host_st->st_gid, &target_st->st_gid);
4020 __put_user(host_st->st_rdev, &target_st->st_rdev);
4021 /* XXX: better use of kernel struct */
4022 __put_user(host_st->st_size, &target_st->st_size);
4023 __put_user(host_st->st_blksize, &target_st->st_blksize);
4024 __put_user(host_st->st_blocks, &target_st->st_blocks);
4025 __put_user(host_st->st_atime, &target_st->target_st_atime);
4026 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
4027 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
4028 unlock_user_struct(target_st, target_addr, 1);
4029 }
4030
4031 return 0;
4032}
4033#endif
4034
2f7bb878 4035#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 4036/* ??? Using host futex calls even when target atomic operations
4037 are not really atomic probably breaks things. However implementing
4038 futexes locally would make futexes shared between multiple processes
4039 tricky. However they're probably useless because guest atomic
4040 operations won't work either. */
8fcd3692
BS		 4041static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4042 target_ulong uaddr2, int val3)
bd0c5661
PB		 4043{
4044 struct timespec ts, *pts;
a16aae0c 4045 int base_op;
bd0c5661
PB		 4046
4047 /* ??? We assume FUTEX_* constants are the same on both host
4048 and target. */
a29ccd63 4049#ifdef FUTEX_CMD_MASK
a16aae0c 4050 base_op = op & FUTEX_CMD_MASK;
a29ccd63 4051#else
a16aae0c 4052 base_op = op;
a29ccd63 4053#endif
a16aae0c 4054 switch (base_op) {
bd0c5661
PB		 4055 case FUTEX_WAIT:
4056 if (timeout) {
4057 pts = &ts;
4058 target_to_host_timespec(pts, timeout);
4059 } else {
4060 pts = NULL;
4061 }
a29ccd63 4062 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
bd0c5661
PB		 4063 pts, NULL, 0));
4064 case FUTEX_WAKE:
a29ccd63 4065 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4066 case FUTEX_FD:
a29ccd63 4067 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4068 case FUTEX_REQUEUE:
bd0c5661 4069 case FUTEX_CMP_REQUEUE:
a16aae0c
NF		 4070 case FUTEX_WAKE_OP:
4071 /* For FUTEX_REQUEUE, FUTEX_CMP_REQUEUE, and FUTEX_WAKE_OP, the
4072 TIMEOUT parameter is interpreted as a uint32_t by the kernel.
4073 But the prototype takes a `struct timespec *'; insert casts
4074 to satisfy the compiler. We do not need to tswap TIMEOUT
4075 since it's not compared to guest memory. */
4076 pts = (struct timespec *)(uintptr_t) timeout;
4077 return get_errno(sys_futex(g2h(uaddr), op, val, pts,
4078 g2h(uaddr2),
4079 (base_op == FUTEX_CMP_REQUEUE
4080 ? tswap32(val3)
4081 : val3)));
bd0c5661
PB		 4082 default:
4083 return -TARGET_ENOSYS;
4084 }
4085}
4086#endif
4087
1d9d8b55
PB		 4088/* Map host to target signal numbers for the wait family of syscalls.
4089 Assume all other status bits are the same. */
4090static int host_to_target_waitstatus(int status)
4091{
4092 if (WIFSIGNALED(status)) {
4093 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4094 }
4095 if (WIFSTOPPED(status)) {
4096 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4097 | (status & 0xff);
4098 }
4099 return status;
4100}
4101
a745ec6d
PB		 4102int get_osversion(void)
4103{
4104 static int osversion;
4105 struct new_utsname buf;
4106 const char *s;
4107 int i, n, tmp;
4108 if (osversion)
4109 return osversion;
4110 if (qemu_uname_release && *qemu_uname_release) {
4111 s = qemu_uname_release;
4112 } else {
4113 if (sys_uname(&buf))
4114 return 0;
4115 s = buf.release;
4116 }
4117 tmp = 0;
4118 for (i = 0; i < 3; i++) {
4119 n = 0;
4120 while (*s >= '0' && *s <= '9') {
4121 n *= 10;
4122 n += *s - '0';
4123 s++;
4124 }
4125 tmp = (tmp << 8) + n;
4126 if (*s == '.')
4127 s++;
4128 }
4129 osversion = tmp;
4130 return osversion;
4131}
4132
0da46a6e
TS		 4133/* do_syscall() should always have a single exit point at the end so
4134 that actions, such as logging of syscall results, can be performed.
4135 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 4136abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4137 abi_long arg2, abi_long arg3, abi_long arg4,
4138 abi_long arg5, abi_long arg6)
31e31b8a 4139{
992f48a0 4140 abi_long ret;
31e31b8a 4141 struct stat st;
56c8f68f 4142 struct statfs stfs;
53a5960a 4143 void *p;
3b46e624 4144
72f03900 4145#ifdef DEBUG
c573ff67 4146 gemu_log("syscall %d", num);
72f03900 4147#endif
b92c47c1
TS		 4148 if(do_strace)
4149 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4150
31e31b8a
FB		 4151 switch(num) {
4152 case TARGET_NR_exit:
2f7bb878 4153#ifdef CONFIG_USE_NPTL
c2764719
PB		 4154 /* In old applications this may be used to implement _exit(2).
4155 However in threaded applictions it is used for thread termination,
4156 and _exit_group is used for application termination.
4157 Do thread termination if we have more then one thread. */
4158 /* FIXME: This probably breaks if a signal arrives. We should probably
4159 be disabling signals. */
4160 if (first_cpu->next_cpu) {
1e9fa730 4161 TaskState *ts;
c2764719
PB		 4162 CPUState **lastp;
4163 CPUState *p;
4164
4165 cpu_list_lock();
4166 lastp = &first_cpu;
4167 p = first_cpu;
4168 while (p && p != (CPUState *)cpu_env) {
4169 lastp = &p->next_cpu;
4170 p = p->next_cpu;
4171 }
4172 /* If we didn't find the CPU for this thread then something is
4173 horribly wrong. */
4174 if (!p)
4175 abort();
4176 /* Remove the CPU from the list. */
4177 *lastp = p->next_cpu;
4178 cpu_list_unlock();
1e9fa730 4179 ts = ((CPUState *)cpu_env)->opaque;
c2764719
PB		 4180 if (ts->child_tidptr) {
4181 put_user_u32(0, ts->child_tidptr);
4182 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4183 NULL, NULL, 0);
4184 }
4185 /* TODO: Free CPU state. */
4186 pthread_exit(NULL);
4187 }
4188#endif
9788c9ca 4189#ifdef TARGET_GPROF
7d13299d
FB		 4190 _mcleanup();
4191#endif
e9009676 4192 gdb_exit(cpu_env, arg1);
c2764719 4193 _exit(arg1);
31e31b8a
FB		 4194 ret = 0; /* avoid warning */
4195 break;
4196 case TARGET_NR_read:
38d840e6
AJ		 4197 if (arg3 == 0)
4198 ret = 0;
4199 else {
4200 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4201 goto efault;
4202 ret = get_errno(read(arg1, p, arg3));
4203 unlock_user(p, arg2, ret);
4204 }
31e31b8a
FB		 4205 break;
4206 case TARGET_NR_write:
579a97f7
FB		 4207 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4208 goto efault;
53a5960a
PB		 4209 ret = get_errno(write(arg1, p, arg3));
4210 unlock_user(p, arg2, 0);
31e31b8a
FB		 4211 break;
4212 case TARGET_NR_open:
2f619698
FB		 4213 if (!(p = lock_user_string(arg1)))
4214 goto efault;
53a5960a 4215 ret = get_errno(open(path(p),
ffa65c3b
FB		 4216 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4217 arg3));
53a5960a 4218 unlock_user(p, arg1, 0);
31e31b8a 4219 break;
82424832
TS		 4220#if defined(TARGET_NR_openat) && defined(__NR_openat)
4221 case TARGET_NR_openat:
579a97f7
FB		 4222 if (!(p = lock_user_string(arg2)))
4223 goto efault;
4224 ret = get_errno(sys_openat(arg1,
4225 path(p),
4226 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4227 arg4));
4228 unlock_user(p, arg2, 0);
82424832
TS		 4229 break;
4230#endif
31e31b8a
FB		 4231 case TARGET_NR_close:
4232 ret = get_errno(close(arg1));
4233 break;
4234 case TARGET_NR_brk:
53a5960a 4235 ret = do_brk(arg1);
31e31b8a
FB		 4236 break;
4237 case TARGET_NR_fork:
d865bab5 4238 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 4239 break;
e5febef5 4240#ifdef TARGET_NR_waitpid
31e31b8a
FB		 4241 case TARGET_NR_waitpid:
4242 {
53a5960a
PB		 4243 int status;
4244 ret = get_errno(waitpid(arg1, &status, arg3));
2f619698 4245 if (!is_error(ret) && arg2
1d9d8b55 4246 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 4247 goto efault;
31e31b8a
FB		 4248 }
4249 break;
e5febef5 4250#endif
f0cbb613
PB		 4251#ifdef TARGET_NR_waitid
4252 case TARGET_NR_waitid:
4253 {
4254 siginfo_t info;
4255 info.si_pid = 0;
4256 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4257 if (!is_error(ret) && arg3 && info.si_pid != 0) {
99a0949b 4258 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(a_target_siginfo), 0)))
f0cbb613
PB		 4259 goto efault;
4260 host_to_target_siginfo(p, &info);
99a0949b 4261 unlock_user(p, arg3, sizeof(a_target_siginfo));
f0cbb613
PB		 4262 }
4263 }
4264 break;
4265#endif
7a3148a9 4266#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 4267 case TARGET_NR_creat:
579a97f7
FB		 4268 if (!(p = lock_user_string(arg1)))
4269 goto efault;
53a5960a
PB		 4270 ret = get_errno(creat(p, arg2));
4271 unlock_user(p, arg1, 0);
31e31b8a 4272 break;
7a3148a9 4273#endif
31e31b8a 4274 case TARGET_NR_link:
53a5960a
PB		 4275 {
4276 void * p2;
4277 p = lock_user_string(arg1);
4278 p2 = lock_user_string(arg2);
579a97f7
FB		 4279 if (!p || !p2)
4280 ret = -TARGET_EFAULT;
4281 else
4282 ret = get_errno(link(p, p2));
53a5960a
PB		 4283 unlock_user(p2, arg2, 0);
4284 unlock_user(p, arg1, 0);
4285 }
31e31b8a 4286 break;
64f0ce4c
TS		 4287#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4288 case TARGET_NR_linkat:
64f0ce4c
TS		 4289 {
4290 void * p2 = NULL;
579a97f7
FB		 4291 if (!arg2 || !arg4)
4292 goto efault;
64f0ce4c
TS		 4293 p = lock_user_string(arg2);
4294 p2 = lock_user_string(arg4);
579a97f7 4295 if (!p || !p2)
0da46a6e 4296 ret = -TARGET_EFAULT;
64f0ce4c
TS		 4297 else
4298 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 4299 unlock_user(p, arg2, 0);
4300 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 4301 }
4302 break;
4303#endif
31e31b8a 4304 case TARGET_NR_unlink:
579a97f7
FB		 4305 if (!(p = lock_user_string(arg1)))
4306 goto efault;
53a5960a
PB		 4307 ret = get_errno(unlink(p));
4308 unlock_user(p, arg1, 0);
31e31b8a 4309 break;
8170f56b
TS		 4310#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4311 case TARGET_NR_unlinkat:
579a97f7
FB		 4312 if (!(p = lock_user_string(arg2)))
4313 goto efault;
4314 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4315 unlock_user(p, arg2, 0);
ed494d87 4316 break;
b7d35e65 4317#endif
31e31b8a 4318 case TARGET_NR_execve:
7854b056
FB		 4319 {
4320 char **argp, **envp;
f7341ff4 4321 int argc, envc;
992f48a0
BS		 4322 abi_ulong gp;
4323 abi_ulong guest_argp;
4324 abi_ulong guest_envp;
4325 abi_ulong addr;
7854b056
FB		 4326 char **q;
4327
f7341ff4 4328 argc = 0;
53a5960a 4329 guest_argp = arg2;
da94d263 4330 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4331 if (get_user_ual(addr, gp))
2f619698 4332 goto efault;
03aa1976 4333 if (!addr)
2f619698 4334 break;
7854b056 4335 argc++;
2f619698 4336 }
f7341ff4 4337 envc = 0;
53a5960a 4338 guest_envp = arg3;
da94d263 4339 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4340 if (get_user_ual(addr, gp))
2f619698 4341 goto efault;
03aa1976 4342 if (!addr)
2f619698 4343 break;
7854b056 4344 envc++;
2f619698 4345 }
7854b056 4346
f7341ff4
FB		 4347 argp = alloca((argc + 1) * sizeof(void *));
4348 envp = alloca((envc + 1) * sizeof(void *));
7854b056 4349
da94d263 4350 for (gp = guest_argp, q = argp; gp;
992f48a0 4351 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4352 if (get_user_ual(addr, gp))
4353 goto execve_efault;
53a5960a
PB		 4354 if (!addr)
4355 break;
2f619698
FB		 4356 if (!(*q = lock_user_string(addr)))
4357 goto execve_efault;
53a5960a 4358 }
f7341ff4
FB		 4359 *q = NULL;
4360
da94d263 4361 for (gp = guest_envp, q = envp; gp;
992f48a0 4362 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4363 if (get_user_ual(addr, gp))
4364 goto execve_efault;
53a5960a
PB		 4365 if (!addr)
4366 break;
2f619698
FB		 4367 if (!(*q = lock_user_string(addr)))
4368 goto execve_efault;
53a5960a 4369 }
f7341ff4 4370 *q = NULL;
7854b056 4371
2f619698
FB		 4372 if (!(p = lock_user_string(arg1)))
4373 goto execve_efault;
53a5960a
PB		 4374 ret = get_errno(execve(p, argp, envp));
4375 unlock_user(p, arg1, 0);
4376
2f619698
FB		 4377 goto execve_end;
4378
4379 execve_efault:
4380 ret = -TARGET_EFAULT;
4381
4382 execve_end:
53a5960a 4383 for (gp = guest_argp, q = argp; *q;
992f48a0 4384 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4385 if (get_user_ual(addr, gp)
4386 || !addr)
4387 break;
53a5960a
PB		 4388 unlock_user(*q, addr, 0);
4389 }
4390 for (gp = guest_envp, q = envp; *q;
992f48a0 4391 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4392 if (get_user_ual(addr, gp)
4393 || !addr)
4394 break;
53a5960a
PB		 4395 unlock_user(*q, addr, 0);
4396 }
7854b056 4397 }
31e31b8a
FB		 4398 break;
4399 case TARGET_NR_chdir:
579a97f7
FB		 4400 if (!(p = lock_user_string(arg1)))
4401 goto efault;
53a5960a
PB		 4402 ret = get_errno(chdir(p));
4403 unlock_user(p, arg1, 0);
31e31b8a 4404 break;
a315a145 4405#ifdef TARGET_NR_time
31e31b8a
FB		 4406 case TARGET_NR_time:
4407 {
53a5960a
PB		 4408 time_t host_time;
4409 ret = get_errno(time(&host_time));
2f619698
FB		 4410 if (!is_error(ret)
4411 && arg1
4412 && put_user_sal(host_time, arg1))
4413 goto efault;
31e31b8a
FB		 4414 }
4415 break;
a315a145 4416#endif
31e31b8a 4417 case TARGET_NR_mknod:
579a97f7
FB		 4418 if (!(p = lock_user_string(arg1)))
4419 goto efault;
53a5960a
PB		 4420 ret = get_errno(mknod(p, arg2, arg3));
4421 unlock_user(p, arg1, 0);
31e31b8a 4422 break;
75ac37a0
TS		 4423#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4424 case TARGET_NR_mknodat:
579a97f7
FB		 4425 if (!(p = lock_user_string(arg2)))
4426 goto efault;
4427 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4428 unlock_user(p, arg2, 0);
75ac37a0
TS		 4429 break;
4430#endif
31e31b8a 4431 case TARGET_NR_chmod:
579a97f7
FB		 4432 if (!(p = lock_user_string(arg1)))
4433 goto efault;
53a5960a
PB		 4434 ret = get_errno(chmod(p, arg2));
4435 unlock_user(p, arg1, 0);
31e31b8a 4436 break;
ebc05488 4437#ifdef TARGET_NR_break
31e31b8a
FB		 4438 case TARGET_NR_break:
4439 goto unimplemented;
ebc05488
FB		 4440#endif
4441#ifdef TARGET_NR_oldstat
31e31b8a
FB		 4442 case TARGET_NR_oldstat:
4443 goto unimplemented;
ebc05488 4444#endif
31e31b8a
FB		 4445 case TARGET_NR_lseek:
4446 ret = get_errno(lseek(arg1, arg2, arg3));
4447 break;
7a3148a9
JM		 4448#ifdef TARGET_NR_getxpid
4449 case TARGET_NR_getxpid:
4450#else
31e31b8a 4451 case TARGET_NR_getpid:
7a3148a9 4452#endif
31e31b8a
FB		 4453 ret = get_errno(getpid());
4454 break;
4455 case TARGET_NR_mount:
80265918
TS		 4456 {
4457 /* need to look at the data field */
4458 void *p2, *p3;
4459 p = lock_user_string(arg1);
4460 p2 = lock_user_string(arg2);
4461 p3 = lock_user_string(arg3);
579a97f7
FB		 4462 if (!p || !p2 || !p3)
4463 ret = -TARGET_EFAULT;
4464 else
4465 /* FIXME - arg5 should be locked, but it isn't clear how to
4466 * do that since it's not guaranteed to be a NULL-terminated
4467 * string.
4468 */
4469 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4470 unlock_user(p, arg1, 0);
4471 unlock_user(p2, arg2, 0);
4472 unlock_user(p3, arg3, 0);
80265918
TS		 4473 break;
4474 }
e5febef5 4475#ifdef TARGET_NR_umount
31e31b8a 4476 case TARGET_NR_umount:
579a97f7
FB		 4477 if (!(p = lock_user_string(arg1)))
4478 goto efault;
53a5960a
PB		 4479 ret = get_errno(umount(p));
4480 unlock_user(p, arg1, 0);
31e31b8a 4481 break;
e5febef5 4482#endif
7a3148a9 4483#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 4484 case TARGET_NR_stime:
4485 {
53a5960a 4486 time_t host_time;
2f619698
FB		 4487 if (get_user_sal(host_time, arg1))
4488 goto efault;
53a5960a 4489 ret = get_errno(stime(&host_time));
31e31b8a
FB		 4490 }
4491 break;
7a3148a9 4492#endif
31e31b8a
FB		 4493 case TARGET_NR_ptrace:
4494 goto unimplemented;
7a3148a9 4495#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 4496 case TARGET_NR_alarm:
4497 ret = alarm(arg1);
4498 break;
7a3148a9 4499#endif
ebc05488 4500#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 4501 case TARGET_NR_oldfstat:
4502 goto unimplemented;
ebc05488 4503#endif
7a3148a9 4504#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 4505 case TARGET_NR_pause:
4506 ret = get_errno(pause());
4507 break;
7a3148a9 4508#endif
e5febef5 4509#ifdef TARGET_NR_utime
31e31b8a 4510 case TARGET_NR_utime:
ebc05488 4511 {
53a5960a
PB		 4512 struct utimbuf tbuf, *host_tbuf;
4513 struct target_utimbuf *target_tbuf;
4514 if (arg2) {
579a97f7
FB		 4515 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4516 goto efault;
53a5960a
PB		 4517 tbuf.actime = tswapl(target_tbuf->actime);
4518 tbuf.modtime = tswapl(target_tbuf->modtime);
4519 unlock_user_struct(target_tbuf, arg2, 0);
4520 host_tbuf = &tbuf;
f72e8ff4 4521 } else {
53a5960a 4522 host_tbuf = NULL;
f72e8ff4 4523 }
579a97f7
FB		 4524 if (!(p = lock_user_string(arg1)))
4525 goto efault;
53a5960a
PB		 4526 ret = get_errno(utime(p, host_tbuf));
4527 unlock_user(p, arg1, 0);
ebc05488
FB		 4528 }
4529 break;
e5febef5 4530#endif
978a66ff
FB		 4531 case TARGET_NR_utimes:
4532 {
978a66ff 4533 struct timeval *tvp, tv[2];
53a5960a 4534 if (arg2) {
788f5ec4
TS		 4535 if (copy_from_user_timeval(&tv[0], arg2)
4536 || copy_from_user_timeval(&tv[1],
4537 arg2 + sizeof(struct target_timeval)))
4538 goto efault;
978a66ff
FB		 4539 tvp = tv;
4540 } else {
4541 tvp = NULL;
4542 }
579a97f7
FB		 4543 if (!(p = lock_user_string(arg1)))
4544 goto efault;
53a5960a
PB		 4545 ret = get_errno(utimes(p, tvp));
4546 unlock_user(p, arg1, 0);
978a66ff
FB		 4547 }
4548 break;
ac8a6556
AZ		 4549#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4550 case TARGET_NR_futimesat:
4551 {
4552 struct timeval *tvp, tv[2];
4553 if (arg3) {
4554 if (copy_from_user_timeval(&tv[0], arg3)
4555 || copy_from_user_timeval(&tv[1],
4556 arg3 + sizeof(struct target_timeval)))
4557 goto efault;
4558 tvp = tv;
4559 } else {
4560 tvp = NULL;
4561 }
4562 if (!(p = lock_user_string(arg2)))
4563 goto efault;
4564 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4565 unlock_user(p, arg2, 0);
4566 }
4567 break;
4568#endif
ebc05488 4569#ifdef TARGET_NR_stty
31e31b8a
FB		 4570 case TARGET_NR_stty:
4571 goto unimplemented;
ebc05488
FB		 4572#endif
4573#ifdef TARGET_NR_gtty
31e31b8a
FB		 4574 case TARGET_NR_gtty:
4575 goto unimplemented;
ebc05488 4576#endif
31e31b8a 4577 case TARGET_NR_access:
579a97f7
FB		 4578 if (!(p = lock_user_string(arg1)))
4579 goto efault;
719f908e 4580 ret = get_errno(access(path(p), arg2));
53a5960a 4581 unlock_user(p, arg1, 0);
31e31b8a 4582 break;
92a34c10
TS		 4583#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4584 case TARGET_NR_faccessat:
579a97f7
FB		 4585 if (!(p = lock_user_string(arg2)))
4586 goto efault;
465c9f06 4587 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 4588 unlock_user(p, arg2, 0);
92a34c10
TS		 4589 break;
4590#endif
7a3148a9 4591#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 4592 case TARGET_NR_nice:
4593 ret = get_errno(nice(arg1));
4594 break;
7a3148a9 4595#endif
ebc05488 4596#ifdef TARGET_NR_ftime
31e31b8a
FB		 4597 case TARGET_NR_ftime:
4598 goto unimplemented;
ebc05488 4599#endif
31e31b8a 4600 case TARGET_NR_sync:
04369ff2
FB		 4601 sync();
4602 ret = 0;
31e31b8a
FB		 4603 break;
4604 case TARGET_NR_kill:
4cb05961 4605 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 4606 break;
4607 case TARGET_NR_rename:
53a5960a
PB		 4608 {
4609 void *p2;
4610 p = lock_user_string(arg1);
4611 p2 = lock_user_string(arg2);
579a97f7
FB		 4612 if (!p || !p2)
4613 ret = -TARGET_EFAULT;
4614 else
4615 ret = get_errno(rename(p, p2));
53a5960a
PB		 4616 unlock_user(p2, arg2, 0);
4617 unlock_user(p, arg1, 0);
4618 }
31e31b8a 4619 break;
722183f6
TS		 4620#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4621 case TARGET_NR_renameat:
722183f6 4622 {
579a97f7 4623 void *p2;
722183f6
TS		 4624 p = lock_user_string(arg2);
4625 p2 = lock_user_string(arg4);
579a97f7 4626 if (!p || !p2)
0da46a6e 4627 ret = -TARGET_EFAULT;
722183f6
TS		 4628 else
4629 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 4630 unlock_user(p2, arg4, 0);
4631 unlock_user(p, arg2, 0);
722183f6
TS		 4632 }
4633 break;
4634#endif
31e31b8a 4635 case TARGET_NR_mkdir:
579a97f7
FB		 4636 if (!(p = lock_user_string(arg1)))
4637 goto efault;
53a5960a
PB		 4638 ret = get_errno(mkdir(p, arg2));
4639 unlock_user(p, arg1, 0);
31e31b8a 4640 break;
4472ad0d
TS		 4641#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4642 case TARGET_NR_mkdirat:
579a97f7
FB		 4643 if (!(p = lock_user_string(arg2)))
4644 goto efault;
4645 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4646 unlock_user(p, arg2, 0);
4472ad0d
TS		 4647 break;
4648#endif
31e31b8a 4649 case TARGET_NR_rmdir:
579a97f7
FB		 4650 if (!(p = lock_user_string(arg1)))
4651 goto efault;
53a5960a
PB		 4652 ret = get_errno(rmdir(p));
4653 unlock_user(p, arg1, 0);
31e31b8a
FB		 4654 break;
4655 case TARGET_NR_dup:
4656 ret = get_errno(dup(arg1));
4657 break;
4658 case TARGET_NR_pipe:
099d6b0f
RV		 4659 ret = do_pipe(cpu_env, arg1, 0);
4660 break;
4661#ifdef TARGET_NR_pipe2
4662 case TARGET_NR_pipe2:
4663 ret = do_pipe(cpu_env, arg1, arg2);
31e31b8a 4664 break;
099d6b0f 4665#endif
31e31b8a 4666 case TARGET_NR_times:
32f36bce 4667 {
53a5960a 4668 struct target_tms *tmsp;
32f36bce
FB		 4669 struct tms tms;
4670 ret = get_errno(times(&tms));
53a5960a 4671 if (arg1) {
579a97f7
FB		 4672 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4673 if (!tmsp)
4674 goto efault;
c596ed17
FB		 4675 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4676 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4677 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4678 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 4679 }
c596ed17
FB		 4680 if (!is_error(ret))
4681 ret = host_to_target_clock_t(ret);
32f36bce
FB		 4682 }
4683 break;
ebc05488 4684#ifdef TARGET_NR_prof
31e31b8a
FB		 4685 case TARGET_NR_prof:
4686 goto unimplemented;
ebc05488 4687#endif
e5febef5 4688#ifdef TARGET_NR_signal
31e31b8a
FB		 4689 case TARGET_NR_signal:
4690 goto unimplemented;
e5febef5 4691#endif
31e31b8a 4692 case TARGET_NR_acct:
38d840e6
AJ		 4693 if (arg1 == 0) {
4694 ret = get_errno(acct(NULL));
4695 } else {
4696 if (!(p = lock_user_string(arg1)))
4697 goto efault;
4698 ret = get_errno(acct(path(p)));
4699 unlock_user(p, arg1, 0);
4700 }
24836689 4701 break;
7a3148a9 4702#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 4703 case TARGET_NR_umount2:
579a97f7
FB		 4704 if (!(p = lock_user_string(arg1)))
4705 goto efault;
53a5960a
PB		 4706 ret = get_errno(umount2(p, arg2));
4707 unlock_user(p, arg1, 0);
31e31b8a 4708 break;
7a3148a9 4709#endif
ebc05488 4710#ifdef TARGET_NR_lock
31e31b8a
FB		 4711 case TARGET_NR_lock:
4712 goto unimplemented;
ebc05488 4713#endif
31e31b8a
FB		 4714 case TARGET_NR_ioctl:
4715 ret = do_ioctl(arg1, arg2, arg3);
4716 break;
4717 case TARGET_NR_fcntl:
9ee1fa2c 4718 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 4719 break;
ebc05488 4720#ifdef TARGET_NR_mpx
31e31b8a
FB		 4721 case TARGET_NR_mpx:
4722 goto unimplemented;
ebc05488 4723#endif
31e31b8a
FB		 4724 case TARGET_NR_setpgid:
4725 ret = get_errno(setpgid(arg1, arg2));
4726 break;
ebc05488 4727#ifdef TARGET_NR_ulimit
31e31b8a
FB		 4728 case TARGET_NR_ulimit:
4729 goto unimplemented;
ebc05488
FB		 4730#endif
4731#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 4732 case TARGET_NR_oldolduname:
4733 goto unimplemented;
ebc05488 4734#endif
31e31b8a
FB		 4735 case TARGET_NR_umask:
4736 ret = get_errno(umask(arg1));
4737 break;
4738 case TARGET_NR_chroot:
579a97f7
FB		 4739 if (!(p = lock_user_string(arg1)))
4740 goto efault;
53a5960a
PB		 4741 ret = get_errno(chroot(p));
4742 unlock_user(p, arg1, 0);
31e31b8a
FB		 4743 break;
4744 case TARGET_NR_ustat:
4745 goto unimplemented;
4746 case TARGET_NR_dup2:
4747 ret = get_errno(dup2(arg1, arg2));
4748 break;
7a3148a9 4749#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 4750 case TARGET_NR_getppid:
4751 ret = get_errno(getppid());
4752 break;
7a3148a9 4753#endif
31e31b8a
FB		 4754 case TARGET_NR_getpgrp:
4755 ret = get_errno(getpgrp());
4756 break;
4757 case TARGET_NR_setsid:
4758 ret = get_errno(setsid());
4759 break;
e5febef5 4760#ifdef TARGET_NR_sigaction
31e31b8a 4761 case TARGET_NR_sigaction:
31e31b8a 4762 {
388bb21a 4763#if !defined(TARGET_MIPS)
53a5960a 4764 struct target_old_sigaction *old_act;
66fb9763 4765 struct target_sigaction act, oact, *pact;
53a5960a 4766 if (arg2) {
579a97f7
FB		 4767 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4768 goto efault;
66fb9763
FB		 4769 act._sa_handler = old_act->_sa_handler;
4770 target_siginitset(&act.sa_mask, old_act->sa_mask);
4771 act.sa_flags = old_act->sa_flags;
4772 act.sa_restorer = old_act->sa_restorer;
53a5960a 4773 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 4774 pact = &act;
4775 } else {
4776 pact = NULL;
4777 }
4778 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 4779 if (!is_error(ret) && arg3) {
579a97f7
FB		 4780 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4781 goto efault;
53a5960a
PB		 4782 old_act->_sa_handler = oact._sa_handler;
4783 old_act->sa_mask = oact.sa_mask.sig[0];
4784 old_act->sa_flags = oact.sa_flags;
4785 old_act->sa_restorer = oact.sa_restorer;
4786 unlock_user_struct(old_act, arg3, 1);
66fb9763 4787 }
388bb21a 4788#else
106ec879
FB		 4789 struct target_sigaction act, oact, *pact, *old_act;
4790
4791 if (arg2) {
579a97f7
FB		 4792 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4793 goto efault;
106ec879
FB		 4794 act._sa_handler = old_act->_sa_handler;
4795 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4796 act.sa_flags = old_act->sa_flags;
4797 unlock_user_struct(old_act, arg2, 0);
4798 pact = &act;
4799 } else {
4800 pact = NULL;
4801 }
4802
4803 ret = get_errno(do_sigaction(arg1, pact, &oact));
4804
4805 if (!is_error(ret) && arg3) {
579a97f7
FB		 4806 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4807 goto efault;
106ec879
FB		 4808 old_act->_sa_handler = oact._sa_handler;
4809 old_act->sa_flags = oact.sa_flags;
4810 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4811 old_act->sa_mask.sig[1] = 0;
4812 old_act->sa_mask.sig[2] = 0;
4813 old_act->sa_mask.sig[3] = 0;
4814 unlock_user_struct(old_act, arg3, 1);
4815 }
388bb21a 4816#endif
31e31b8a
FB		 4817 }
4818 break;
e5febef5 4819#endif
66fb9763 4820 case TARGET_NR_rt_sigaction:
53a5960a
PB		 4821 {
4822 struct target_sigaction *act;
4823 struct target_sigaction *oact;
4824
579a97f7
FB		 4825 if (arg2) {
4826 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4827 goto efault;
4828 } else
53a5960a 4829 act = NULL;
579a97f7
FB		 4830 if (arg3) {
4831 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4832 ret = -TARGET_EFAULT;
4833 goto rt_sigaction_fail;
4834 }
4835 } else
53a5960a
PB		 4836 oact = NULL;
4837 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 4838 rt_sigaction_fail:
4839 if (act)
53a5960a 4840 unlock_user_struct(act, arg2, 0);
579a97f7 4841 if (oact)
53a5960a
PB		 4842 unlock_user_struct(oact, arg3, 1);
4843 }
66fb9763 4844 break;
7a3148a9 4845#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 4846 case TARGET_NR_sgetmask:
66fb9763
FB		 4847 {
4848 sigset_t cur_set;
992f48a0 4849 abi_ulong target_set;
66fb9763
FB		 4850 sigprocmask(0, NULL, &cur_set);
4851 host_to_target_old_sigset(&target_set, &cur_set);
4852 ret = target_set;
4853 }
4854 break;
7a3148a9
JM		 4855#endif
4856#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 4857 case TARGET_NR_ssetmask:
66fb9763
FB		 4858 {
4859 sigset_t set, oset, cur_set;
992f48a0 4860 abi_ulong target_set = arg1;
66fb9763
FB		 4861 sigprocmask(0, NULL, &cur_set);
4862 target_to_host_old_sigset(&set, &target_set);
4863 sigorset(&set, &set, &cur_set);
4864 sigprocmask(SIG_SETMASK, &set, &oset);
4865 host_to_target_old_sigset(&target_set, &oset);
4866 ret = target_set;
4867 }
4868 break;
7a3148a9 4869#endif
e5febef5 4870#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 4871 case TARGET_NR_sigprocmask:
4872 {
4873 int how = arg1;
4874 sigset_t set, oldset, *set_ptr;
3b46e624 4875
53a5960a 4876 if (arg2) {
66fb9763
FB		 4877 switch(how) {
4878 case TARGET_SIG_BLOCK:
4879 how = SIG_BLOCK;
4880 break;
4881 case TARGET_SIG_UNBLOCK:
4882 how = SIG_UNBLOCK;
4883 break;
4884 case TARGET_SIG_SETMASK:
4885 how = SIG_SETMASK;
4886 break;
4887 default:
0da46a6e 4888 ret = -TARGET_EINVAL;
66fb9763
FB		 4889 goto fail;
4890 }
99a0949b 4891 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(a_target_sigset), 1)))
579a97f7 4892 goto efault;
53a5960a
PB		 4893 target_to_host_old_sigset(&set, p);
4894 unlock_user(p, arg2, 0);
66fb9763
FB		 4895 set_ptr = &set;
4896 } else {
4897 how = 0;
4898 set_ptr = NULL;
4899 }
4900 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a 4901 if (!is_error(ret) && arg3) {
99a0949b 4902 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(a_target_sigset), 0)))
579a97f7 4903 goto efault;
53a5960a 4904 host_to_target_old_sigset(p, &oldset);
99a0949b 4905 unlock_user(p, arg3, sizeof(a_target_sigset));
66fb9763
FB		 4906 }
4907 }
4908 break;
e5febef5 4909#endif
66fb9763
FB		 4910 case TARGET_NR_rt_sigprocmask:
4911 {
4912 int how = arg1;
4913 sigset_t set, oldset, *set_ptr;
3b46e624 4914
53a5960a 4915 if (arg2) {
66fb9763
FB		 4916 switch(how) {
4917 case TARGET_SIG_BLOCK:
4918 how = SIG_BLOCK;
4919 break;
4920 case TARGET_SIG_UNBLOCK:
4921 how = SIG_UNBLOCK;
4922 break;
4923 case TARGET_SIG_SETMASK:
4924 how = SIG_SETMASK;
4925 break;
4926 default:
0da46a6e 4927 ret = -TARGET_EINVAL;
66fb9763
FB		 4928 goto fail;
4929 }
99a0949b 4930 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(a_target_sigset), 1)))
579a97f7 4931 goto efault;
53a5960a
PB		 4932 target_to_host_sigset(&set, p);
4933 unlock_user(p, arg2, 0);
66fb9763
FB		 4934 set_ptr = &set;
4935 } else {
4936 how = 0;
4937 set_ptr = NULL;
4938 }
4939 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 4940 if (!is_error(ret) && arg3) {
99a0949b 4941 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(a_target_sigset), 0)))
579a97f7 4942 goto efault;
53a5960a 4943 host_to_target_sigset(p, &oldset);
99a0949b 4944 unlock_user(p, arg3, sizeof(a_target_sigset));
66fb9763
FB		 4945 }
4946 }
4947 break;
e5febef5 4948#ifdef TARGET_NR_sigpending
66fb9763
FB		 4949 case TARGET_NR_sigpending:
4950 {
4951 sigset_t set;
4952 ret = get_errno(sigpending(&set));
4953 if (!is_error(ret)) {
99a0949b 4954 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(a_target_sigset), 0)))
579a97f7 4955 goto efault;
53a5960a 4956 host_to_target_old_sigset(p, &set);
99a0949b 4957 unlock_user(p, arg1, sizeof(a_target_sigset));
66fb9763
FB		 4958 }
4959 }
4960 break;
e5febef5 4961#endif
66fb9763
FB		 4962 case TARGET_NR_rt_sigpending:
4963 {
4964 sigset_t set;
4965 ret = get_errno(sigpending(&set));
4966 if (!is_error(ret)) {
99a0949b 4967 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(a_target_sigset), 0)))
579a97f7 4968 goto efault;
53a5960a 4969 host_to_target_sigset(p, &set);
99a0949b 4970 unlock_user(p, arg1, sizeof(a_target_sigset));
66fb9763
FB		 4971 }
4972 }
4973 break;
e5febef5 4974#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 4975 case TARGET_NR_sigsuspend:
4976 {
4977 sigset_t set;
99a0949b 4978 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(a_target_sigset), 1)))
579a97f7 4979 goto efault;
53a5960a
PB		 4980 target_to_host_old_sigset(&set, p);
4981 unlock_user(p, arg1, 0);
66fb9763
FB		 4982 ret = get_errno(sigsuspend(&set));
4983 }
4984 break;
e5febef5 4985#endif
66fb9763
FB		 4986 case TARGET_NR_rt_sigsuspend:
4987 {
4988 sigset_t set;
99a0949b 4989 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(a_target_sigset), 1)))
579a97f7 4990 goto efault;
53a5960a
PB		 4991 target_to_host_sigset(&set, p);
4992 unlock_user(p, arg1, 0);
66fb9763
FB		 4993 ret = get_errno(sigsuspend(&set));
4994 }
4995 break;
4996 case TARGET_NR_rt_sigtimedwait:
4997 {
66fb9763
FB		 4998 sigset_t set;
4999 struct timespec uts, *puts;
5000 siginfo_t uinfo;
3b46e624 5001
99a0949b 5002 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(a_target_sigset), 1)))
579a97f7 5003 goto efault;
53a5960a
PB		 5004 target_to_host_sigset(&set, p);
5005 unlock_user(p, arg1, 0);
5006 if (arg3) {
66fb9763 5007 puts = &uts;
53a5960a 5008 target_to_host_timespec(puts, arg3);
66fb9763
FB		 5009 } else {
5010 puts = NULL;
5011 }
5012 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 5013 if (!is_error(ret) && arg2) {
99a0949b 5014 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(a_target_siginfo), 0)))
579a97f7 5015 goto efault;
53a5960a 5016 host_to_target_siginfo(p, &uinfo);
99a0949b 5017 unlock_user(p, arg2, sizeof(a_target_siginfo));
66fb9763
FB		 5018 }
5019 }
5020 break;
5021 case TARGET_NR_rt_sigqueueinfo:
5022 {
5023 siginfo_t uinfo;
99a0949b 5024 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(a_target_sigset), 1)))
579a97f7 5025 goto efault;
53a5960a
PB		 5026 target_to_host_siginfo(&uinfo, p);
5027 unlock_user(p, arg1, 0);
66fb9763
FB		 5028 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
5029 }
5030 break;
e5febef5 5031#ifdef TARGET_NR_sigreturn
66fb9763
FB		 5032 case TARGET_NR_sigreturn:
5033 /* NOTE: ret is eax, so not transcoding must be done */
5034 ret = do_sigreturn(cpu_env);
5035 break;
e5febef5 5036#endif
66fb9763
FB		 5037 case TARGET_NR_rt_sigreturn:
5038 /* NOTE: ret is eax, so not transcoding must be done */
5039 ret = do_rt_sigreturn(cpu_env);
5040 break;
31e31b8a 5041 case TARGET_NR_sethostname:
579a97f7
FB		 5042 if (!(p = lock_user_string(arg1)))
5043 goto efault;
53a5960a
PB		 5044 ret = get_errno(sethostname(p, arg2));
5045 unlock_user(p, arg1, 0);
31e31b8a
FB		 5046 break;
5047 case TARGET_NR_setrlimit:
9de5e440
FB		 5048 {
5049 /* XXX: convert resource ? */
5050 int resource = arg1;
53a5960a 5051 struct target_rlimit *target_rlim;
9de5e440 5052 struct rlimit rlim;
579a97f7
FB		 5053 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5054 goto efault;
9de5e440
FB		 5055 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
5056 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 5057 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 5058 ret = get_errno(setrlimit(resource, &rlim));
5059 }
5060 break;
31e31b8a 5061 case TARGET_NR_getrlimit:
9de5e440
FB		 5062 {
5063 /* XXX: convert resource ? */
5064 int resource = arg1;
53a5960a 5065 struct target_rlimit *target_rlim;
9de5e440 5066 struct rlimit rlim;
3b46e624 5067
9de5e440
FB		 5068 ret = get_errno(getrlimit(resource, &rlim));
5069 if (!is_error(ret)) {
579a97f7
FB		 5070 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5071 goto efault;
666bcd91
UH		 5072 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
5073 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 5074 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 5075 }
5076 }
5077 break;
31e31b8a 5078 case TARGET_NR_getrusage:
b409186b
FB		 5079 {
5080 struct rusage rusage;
b409186b
FB		 5081 ret = get_errno(getrusage(arg1, &rusage));
5082 if (!is_error(ret)) {
53a5960a 5083 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 5084 }
5085 }
5086 break;
31e31b8a
FB		 5087 case TARGET_NR_gettimeofday:
5088 {
31e31b8a
FB		 5089 struct timeval tv;
5090 ret = get_errno(gettimeofday(&tv, NULL));
5091 if (!is_error(ret)) {
788f5ec4
TS		 5092 if (copy_to_user_timeval(arg1, &tv))
5093 goto efault;
31e31b8a
FB		 5094 }
5095 }
5096 break;
5097 case TARGET_NR_settimeofday:
5098 {
31e31b8a 5099 struct timeval tv;
788f5ec4
TS		 5100 if (copy_from_user_timeval(&tv, arg1))
5101 goto efault;
31e31b8a
FB		 5102 ret = get_errno(settimeofday(&tv, NULL));
5103 }
5104 break;
048f6b4d 5105#ifdef TARGET_NR_select
31e31b8a 5106 case TARGET_NR_select:
f2674e31 5107 {
53a5960a 5108 struct target_sel_arg_struct *sel;
992f48a0 5109 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 5110 long nsel;
5111
579a97f7
FB		 5112 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5113 goto efault;
53a5960a
PB		 5114 nsel = tswapl(sel->n);
5115 inp = tswapl(sel->inp);
5116 outp = tswapl(sel->outp);
5117 exp = tswapl(sel->exp);
5118 tvp = tswapl(sel->tvp);
5119 unlock_user_struct(sel, arg1, 0);
5120 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 5121 }
5122 break;
048f6b4d 5123#endif
31e31b8a 5124 case TARGET_NR_symlink:
53a5960a
PB		 5125 {
5126 void *p2;
5127 p = lock_user_string(arg1);
5128 p2 = lock_user_string(arg2);
579a97f7
FB		 5129 if (!p || !p2)
5130 ret = -TARGET_EFAULT;
5131 else
5132 ret = get_errno(symlink(p, p2));
53a5960a
PB		 5133 unlock_user(p2, arg2, 0);
5134 unlock_user(p, arg1, 0);
5135 }
31e31b8a 5136 break;
f0b6243d
TS		 5137#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5138 case TARGET_NR_symlinkat:
f0b6243d 5139 {
579a97f7 5140 void *p2;
f0b6243d
TS		 5141 p = lock_user_string(arg1);
5142 p2 = lock_user_string(arg3);
579a97f7 5143 if (!p || !p2)
0da46a6e 5144 ret = -TARGET_EFAULT;
f0b6243d
TS		 5145 else
5146 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 5147 unlock_user(p2, arg3, 0);
5148 unlock_user(p, arg1, 0);
f0b6243d
TS		 5149 }
5150 break;
5151#endif
ebc05488 5152#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 5153 case TARGET_NR_oldlstat:
5154 goto unimplemented;
ebc05488 5155#endif
31e31b8a 5156 case TARGET_NR_readlink:
53a5960a 5157 {
d088d664 5158 void *p2, *temp;
53a5960a 5159 p = lock_user_string(arg1);
579a97f7
FB		 5160 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5161 if (!p || !p2)
5162 ret = -TARGET_EFAULT;
d088d664
AJ		 5163 else {
5164 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5165 char real[PATH_MAX];
5166 temp = realpath(exec_path,real);
5167 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5168 snprintf((char *)p2, arg3, "%s", real);
5169 }
5170 else
5171 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 5172 }
53a5960a
PB		 5173 unlock_user(p2, arg2, ret);
5174 unlock_user(p, arg1, 0);
5175 }
31e31b8a 5176 break;
5e0ccb18
TS		 5177#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5178 case TARGET_NR_readlinkat:
5e0ccb18 5179 {
579a97f7 5180 void *p2;
5e0ccb18 5181 p = lock_user_string(arg2);
579a97f7
FB		 5182 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5183 if (!p || !p2)
0da46a6e 5184 ret = -TARGET_EFAULT;
5e0ccb18
TS		 5185 else
5186 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 5187 unlock_user(p2, arg3, ret);
5188 unlock_user(p, arg2, 0);
5e0ccb18
TS		 5189 }
5190 break;
5191#endif
e5febef5 5192#ifdef TARGET_NR_uselib
31e31b8a
FB		 5193 case TARGET_NR_uselib:
5194 goto unimplemented;
e5febef5
TS		 5195#endif
5196#ifdef TARGET_NR_swapon
31e31b8a 5197 case TARGET_NR_swapon:
579a97f7
FB		 5198 if (!(p = lock_user_string(arg1)))
5199 goto efault;
53a5960a
PB		 5200 ret = get_errno(swapon(p, arg2));
5201 unlock_user(p, arg1, 0);
31e31b8a 5202 break;
e5febef5 5203#endif
31e31b8a
FB		 5204 case TARGET_NR_reboot:
5205 goto unimplemented;
e5febef5 5206#ifdef TARGET_NR_readdir
31e31b8a
FB		 5207 case TARGET_NR_readdir:
5208 goto unimplemented;
e5febef5
TS		 5209#endif
5210#ifdef TARGET_NR_mmap
31e31b8a 5211 case TARGET_NR_mmap:
b779e29e 5212#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
31e31b8a 5213 {
992f48a0
BS		 5214 abi_ulong *v;
5215 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 5216 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5217 goto efault;
53a5960a
PB		 5218 v1 = tswapl(v[0]);
5219 v2 = tswapl(v[1]);
5220 v3 = tswapl(v[2]);
5221 v4 = tswapl(v[3]);
5222 v5 = tswapl(v[4]);
5223 v6 = tswapl(v[5]);
5224 unlock_user(v, arg1, 0);
5fafdf24 5225 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 5226 target_to_host_bitmask(v4, mmap_flags_tbl),
5227 v5, v6));
31e31b8a 5228 }
31e31b8a 5229#else
5fafdf24
TS		 5230 ret = get_errno(target_mmap(arg1, arg2, arg3,
5231 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 5232 arg5,
5233 arg6));
31e31b8a 5234#endif
6fb883e8 5235 break;
e5febef5 5236#endif
a315a145 5237#ifdef TARGET_NR_mmap2
6fb883e8 5238 case TARGET_NR_mmap2:
bb7ec043 5239#ifndef MMAP_SHIFT
c573ff67 5240#define MMAP_SHIFT 12
c573ff67 5241#endif
5fafdf24
TS		 5242 ret = get_errno(target_mmap(arg1, arg2, arg3,
5243 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 5244 arg5,
c573ff67 5245 arg6 << MMAP_SHIFT));
31e31b8a 5246 break;
a315a145 5247#endif
31e31b8a 5248 case TARGET_NR_munmap:
54936004 5249 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 5250 break;
9de5e440 5251 case TARGET_NR_mprotect:
54936004 5252 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 5253 break;
e5febef5 5254#ifdef TARGET_NR_mremap
9de5e440 5255 case TARGET_NR_mremap:
54936004 5256 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 5257 break;
e5febef5 5258#endif
53a5960a 5259 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 5260#ifdef TARGET_NR_msync
9de5e440 5261 case TARGET_NR_msync:
53a5960a 5262 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 5263 break;
e5febef5
TS		 5264#endif
5265#ifdef TARGET_NR_mlock
9de5e440 5266 case TARGET_NR_mlock:
53a5960a 5267 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 5268 break;
e5febef5
TS		 5269#endif
5270#ifdef TARGET_NR_munlock
9de5e440 5271 case TARGET_NR_munlock:
53a5960a 5272 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 5273 break;
e5febef5
TS		 5274#endif
5275#ifdef TARGET_NR_mlockall
9de5e440
FB		 5276 case TARGET_NR_mlockall:
5277 ret = get_errno(mlockall(arg1));
5278 break;
e5febef5
TS		 5279#endif
5280#ifdef TARGET_NR_munlockall
9de5e440
FB		 5281 case TARGET_NR_munlockall:
5282 ret = get_errno(munlockall());
5283 break;
e5febef5 5284#endif
31e31b8a 5285 case TARGET_NR_truncate:
579a97f7
FB		 5286 if (!(p = lock_user_string(arg1)))
5287 goto efault;
53a5960a
PB		 5288 ret = get_errno(truncate(p, arg2));
5289 unlock_user(p, arg1, 0);
31e31b8a
FB		 5290 break;
5291 case TARGET_NR_ftruncate:
5292 ret = get_errno(ftruncate(arg1, arg2));
5293 break;
5294 case TARGET_NR_fchmod:
5295 ret = get_errno(fchmod(arg1, arg2));
5296 break;
814d7977
TS		 5297#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5298 case TARGET_NR_fchmodat:
579a97f7
FB		 5299 if (!(p = lock_user_string(arg2)))
5300 goto efault;
465c9f06 5301 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 5302 unlock_user(p, arg2, 0);
814d7977
TS		 5303 break;
5304#endif
31e31b8a 5305 case TARGET_NR_getpriority:
c6cda17a
TS		 5306 /* libc does special remapping of the return value of
5307 * sys_getpriority() so it's just easiest to call
5308 * sys_getpriority() directly rather than through libc. */
5309 ret = sys_getpriority(arg1, arg2);
31e31b8a
FB		 5310 break;
5311 case TARGET_NR_setpriority:
5312 ret = get_errno(setpriority(arg1, arg2, arg3));
5313 break;
ebc05488 5314#ifdef TARGET_NR_profil
31e31b8a
FB		 5315 case TARGET_NR_profil:
5316 goto unimplemented;
ebc05488 5317#endif
31e31b8a 5318 case TARGET_NR_statfs:
579a97f7
FB		 5319 if (!(p = lock_user_string(arg1)))
5320 goto efault;
53a5960a
PB		 5321 ret = get_errno(statfs(path(p), &stfs));
5322 unlock_user(p, arg1, 0);
31e31b8a
FB		 5323 convert_statfs:
5324 if (!is_error(ret)) {
53a5960a 5325 struct target_statfs *target_stfs;
3b46e624 5326
579a97f7
FB		 5327 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5328 goto efault;
5329 __put_user(stfs.f_type, &target_stfs->f_type);
5330 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5331 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5332 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5333 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5334 __put_user(stfs.f_files, &target_stfs->f_files);
5335 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5336 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5337 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5338 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 5339 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 5340 }
5341 break;
5342 case TARGET_NR_fstatfs:
56c8f68f 5343 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 5344 goto convert_statfs;
56c8f68f
FB		 5345#ifdef TARGET_NR_statfs64
5346 case TARGET_NR_statfs64:
579a97f7
FB		 5347 if (!(p = lock_user_string(arg1)))
5348 goto efault;
53a5960a
PB		 5349 ret = get_errno(statfs(path(p), &stfs));
5350 unlock_user(p, arg1, 0);
56c8f68f
FB		 5351 convert_statfs64:
5352 if (!is_error(ret)) {
53a5960a 5353 struct target_statfs64 *target_stfs;
3b46e624 5354
579a97f7
FB		 5355 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5356 goto efault;
5357 __put_user(stfs.f_type, &target_stfs->f_type);
5358 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5359 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5360 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5361 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5362 __put_user(stfs.f_files, &target_stfs->f_files);
5363 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5364 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5365 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5366 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5367 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 5368 }
5369 break;
5370 case TARGET_NR_fstatfs64:
5371 ret = get_errno(fstatfs(arg1, &stfs));
5372 goto convert_statfs64;
5373#endif
ebc05488 5374#ifdef TARGET_NR_ioperm
31e31b8a
FB		 5375 case TARGET_NR_ioperm:
5376 goto unimplemented;
ebc05488 5377#endif
e5febef5 5378#ifdef TARGET_NR_socketcall
31e31b8a 5379 case TARGET_NR_socketcall:
53a5960a 5380 ret = do_socketcall(arg1, arg2);
31e31b8a 5381 break;
e5febef5 5382#endif
3532fa74
FB		 5383#ifdef TARGET_NR_accept
5384 case TARGET_NR_accept:
1be9e1dc 5385 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 5386 break;
5387#endif
5388#ifdef TARGET_NR_bind
5389 case TARGET_NR_bind:
5390 ret = do_bind(arg1, arg2, arg3);
5391 break;
5392#endif
5393#ifdef TARGET_NR_connect
5394 case TARGET_NR_connect:
5395 ret = do_connect(arg1, arg2, arg3);
5396 break;
5397#endif
5398#ifdef TARGET_NR_getpeername
5399 case TARGET_NR_getpeername:
1be9e1dc 5400 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 5401 break;
5402#endif
5403#ifdef TARGET_NR_getsockname
5404 case TARGET_NR_getsockname:
1be9e1dc 5405 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 5406 break;
5407#endif
5408#ifdef TARGET_NR_getsockopt
5409 case TARGET_NR_getsockopt:
5410 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5411 break;
5412#endif
5413#ifdef TARGET_NR_listen
5414 case TARGET_NR_listen:
1be9e1dc 5415 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 5416 break;
5417#endif
5418#ifdef TARGET_NR_recv
5419 case TARGET_NR_recv:
214201bd 5420 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5421 break;
5422#endif
5423#ifdef TARGET_NR_recvfrom
5424 case TARGET_NR_recvfrom:
214201bd 5425 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5426 break;
5427#endif
5428#ifdef TARGET_NR_recvmsg
5429 case TARGET_NR_recvmsg:
5430 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5431 break;
5432#endif
5433#ifdef TARGET_NR_send
5434 case TARGET_NR_send:
1be9e1dc 5435 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5436 break;
5437#endif
5438#ifdef TARGET_NR_sendmsg
5439 case TARGET_NR_sendmsg:
5440 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5441 break;
5442#endif
5443#ifdef TARGET_NR_sendto
5444 case TARGET_NR_sendto:
1be9e1dc 5445 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5446 break;
5447#endif
5448#ifdef TARGET_NR_shutdown
5449 case TARGET_NR_shutdown:
1be9e1dc 5450 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 5451 break;
5452#endif
5453#ifdef TARGET_NR_socket
5454 case TARGET_NR_socket:
5455 ret = do_socket(arg1, arg2, arg3);
5456 break;
5457#endif
5458#ifdef TARGET_NR_socketpair
5459 case TARGET_NR_socketpair:
1be9e1dc 5460 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 5461 break;
5462#endif
5463#ifdef TARGET_NR_setsockopt
5464 case TARGET_NR_setsockopt:
5465 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5466 break;
5467#endif
7494b0f9 5468
31e31b8a 5469 case TARGET_NR_syslog:
579a97f7
FB		 5470 if (!(p = lock_user_string(arg2)))
5471 goto efault;
e5574487
TS		 5472 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5473 unlock_user(p, arg2, 0);
7494b0f9
TS		 5474 break;
5475
31e31b8a 5476 case TARGET_NR_setitimer:
66fb9763 5477 {
66fb9763
FB		 5478 struct itimerval value, ovalue, *pvalue;
5479
53a5960a 5480 if (arg2) {
66fb9763 5481 pvalue = &value;
788f5ec4
TS		 5482 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5483 || copy_from_user_timeval(&pvalue->it_value,
5484 arg2 + sizeof(struct target_timeval)))
5485 goto efault;
66fb9763
FB		 5486 } else {
5487 pvalue = NULL;
5488 }
5489 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 5490 if (!is_error(ret) && arg3) {
788f5ec4
TS		 5491 if (copy_to_user_timeval(arg3,
5492 &ovalue.it_interval)
5493 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5494 &ovalue.it_value))
5495 goto efault;
66fb9763
FB		 5496 }
5497 }
5498 break;
31e31b8a 5499 case TARGET_NR_getitimer:
66fb9763 5500 {
66fb9763 5501 struct itimerval value;
3b46e624 5502
66fb9763 5503 ret = get_errno(getitimer(arg1, &value));
53a5960a 5504 if (!is_error(ret) && arg2) {
788f5ec4
TS		 5505 if (copy_to_user_timeval(arg2,
5506 &value.it_interval)
5507 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5508 &value.it_value))
5509 goto efault;
66fb9763
FB		 5510 }
5511 }
5512 break;
31e31b8a 5513 case TARGET_NR_stat:
579a97f7
FB		 5514 if (!(p = lock_user_string(arg1)))
5515 goto efault;
53a5960a
PB		 5516 ret = get_errno(stat(path(p), &st));
5517 unlock_user(p, arg1, 0);
31e31b8a
FB		 5518 goto do_stat;
5519 case TARGET_NR_lstat:
579a97f7
FB		 5520 if (!(p = lock_user_string(arg1)))
5521 goto efault;
53a5960a
PB		 5522 ret = get_errno(lstat(path(p), &st));
5523 unlock_user(p, arg1, 0);
31e31b8a
FB		 5524 goto do_stat;
5525 case TARGET_NR_fstat:
5526 {
5527 ret = get_errno(fstat(arg1, &st));
5528 do_stat:
5529 if (!is_error(ret)) {
53a5960a 5530 struct target_stat *target_st;
e3584658 5531
579a97f7
FB		 5532 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5533 goto efault;
12727917 5534 memset(target_st, 0, sizeof(*target_st));
d2fd1af7
FB		 5535 __put_user(st.st_dev, &target_st->st_dev);
5536 __put_user(st.st_ino, &target_st->st_ino);
5537 __put_user(st.st_mode, &target_st->st_mode);
5538 __put_user(st.st_uid, &target_st->st_uid);
5539 __put_user(st.st_gid, &target_st->st_gid);
5540 __put_user(st.st_nlink, &target_st->st_nlink);
5541 __put_user(st.st_rdev, &target_st->st_rdev);
5542 __put_user(st.st_size, &target_st->st_size);
5543 __put_user(st.st_blksize, &target_st->st_blksize);
5544 __put_user(st.st_blocks, &target_st->st_blocks);
5545 __put_user(st.st_atime, &target_st->target_st_atime);
5546 __put_user(st.st_mtime, &target_st->target_st_mtime);
5547 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 5548 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 5549 }
5550 }
5551 break;
ebc05488 5552#ifdef TARGET_NR_olduname
31e31b8a
FB		 5553 case TARGET_NR_olduname:
5554 goto unimplemented;
ebc05488
FB		 5555#endif
5556#ifdef TARGET_NR_iopl
31e31b8a
FB		 5557 case TARGET_NR_iopl:
5558 goto unimplemented;
ebc05488 5559#endif
31e31b8a
FB		 5560 case TARGET_NR_vhangup:
5561 ret = get_errno(vhangup());
5562 break;
ebc05488 5563#ifdef TARGET_NR_idle
31e31b8a
FB		 5564 case TARGET_NR_idle:
5565 goto unimplemented;
42ad6ae9
FB		 5566#endif
5567#ifdef TARGET_NR_syscall
5568 case TARGET_NR_syscall:
5569 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5570 break;
ebc05488 5571#endif
31e31b8a
FB		 5572 case TARGET_NR_wait4:
5573 {
5574 int status;
992f48a0 5575 abi_long status_ptr = arg2;
31e31b8a 5576 struct rusage rusage, *rusage_ptr;
992f48a0 5577 abi_ulong target_rusage = arg4;
31e31b8a
FB		 5578 if (target_rusage)
5579 rusage_ptr = &rusage;
5580 else
5581 rusage_ptr = NULL;
5582 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5583 if (!is_error(ret)) {
2f619698 5584 if (status_ptr) {
1d9d8b55 5585 status = host_to_target_waitstatus(status);
2f619698
FB		 5586 if (put_user_s32(status, status_ptr))
5587 goto efault;
31e31b8a 5588 }
2f619698
FB		 5589 if (target_rusage)
5590 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 5591 }
5592 }
5593 break;
e5febef5 5594#ifdef TARGET_NR_swapoff
31e31b8a 5595 case TARGET_NR_swapoff:
579a97f7
FB		 5596 if (!(p = lock_user_string(arg1)))
5597 goto efault;
53a5960a
PB		 5598 ret = get_errno(swapoff(p));
5599 unlock_user(p, arg1, 0);
31e31b8a 5600 break;
e5febef5 5601#endif
31e31b8a 5602 case TARGET_NR_sysinfo:
a5448a7d 5603 {
53a5960a 5604 struct target_sysinfo *target_value;
a5448a7d
FB		 5605 struct sysinfo value;
5606 ret = get_errno(sysinfo(&value));
53a5960a 5607 if (!is_error(ret) && arg1)
a5448a7d 5608 {
579a97f7
FB		 5609 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5610 goto efault;
a5448a7d
FB		 5611 __put_user(value.uptime, &target_value->uptime);
5612 __put_user(value.loads[0], &target_value->loads[0]);
5613 __put_user(value.loads[1], &target_value->loads[1]);
5614 __put_user(value.loads[2], &target_value->loads[2]);
5615 __put_user(value.totalram, &target_value->totalram);
5616 __put_user(value.freeram, &target_value->freeram);
5617 __put_user(value.sharedram, &target_value->sharedram);
5618 __put_user(value.bufferram, &target_value->bufferram);
5619 __put_user(value.totalswap, &target_value->totalswap);
5620 __put_user(value.freeswap, &target_value->freeswap);
5621 __put_user(value.procs, &target_value->procs);
5622 __put_user(value.totalhigh, &target_value->totalhigh);
5623 __put_user(value.freehigh, &target_value->freehigh);
5624 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 5625 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 5626 }
5627 }
5628 break;
e5febef5 5629#ifdef TARGET_NR_ipc
31e31b8a 5630 case TARGET_NR_ipc:
8853f86e
FB		 5631 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5632 break;
e5febef5 5633#endif
e5289087
AJ		 5634#ifdef TARGET_NR_semget
5635 case TARGET_NR_semget:
5636 ret = get_errno(semget(arg1, arg2, arg3));
5637 break;
5638#endif
5639#ifdef TARGET_NR_semop
5640 case TARGET_NR_semop:
5641 ret = get_errno(do_semop(arg1, arg2, arg3));
5642 break;
5643#endif
5644#ifdef TARGET_NR_semctl
5645 case TARGET_NR_semctl:
5646 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5647 break;
5648#endif
eeb438c1
AJ		 5649#ifdef TARGET_NR_msgctl
5650 case TARGET_NR_msgctl:
5651 ret = do_msgctl(arg1, arg2, arg3);
5652 break;
5653#endif
5654#ifdef TARGET_NR_msgget
5655 case TARGET_NR_msgget:
5656 ret = get_errno(msgget(arg1, arg2));
5657 break;
5658#endif
5659#ifdef TARGET_NR_msgrcv
5660 case TARGET_NR_msgrcv:
5661 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5662 break;
5663#endif
5664#ifdef TARGET_NR_msgsnd
5665 case TARGET_NR_msgsnd:
5666 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5667 break;
88a8c984
RV		 5668#endif
5669#ifdef TARGET_NR_shmget
5670 case TARGET_NR_shmget:
5671 ret = get_errno(shmget(arg1, arg2, arg3));
5672 break;
5673#endif
5674#ifdef TARGET_NR_shmctl
5675 case TARGET_NR_shmctl:
5676 ret = do_shmctl(arg1, arg2, arg3);
5677 break;
5678#endif
5679#ifdef TARGET_NR_shmat
5680 case TARGET_NR_shmat:
5681 ret = do_shmat(arg1, arg2, arg3);
5682 break;
5683#endif
5684#ifdef TARGET_NR_shmdt
5685 case TARGET_NR_shmdt:
5686 ret = do_shmdt(arg1);
5687 break;
eeb438c1 5688#endif
31e31b8a
FB		 5689 case TARGET_NR_fsync:
5690 ret = get_errno(fsync(arg1));
5691 break;
31e31b8a 5692 case TARGET_NR_clone:
0b6d3ae0
AJ		 5693#if defined(TARGET_SH4)
5694 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 5695#elif defined(TARGET_CRIS)
5696 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
0b6d3ae0 5697#else
d865bab5 5698 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 5699#endif
1b6b029e 5700 break;
ec86b0fb
FB		 5701#ifdef __NR_exit_group
5702 /* new thread calls */
5703 case TARGET_NR_exit_group:
9788c9ca 5704#ifdef TARGET_GPROF
6d946cda
AJ		 5705 _mcleanup();
5706#endif
e9009676 5707 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 5708 ret = get_errno(exit_group(arg1));
5709 break;
5710#endif
31e31b8a 5711 case TARGET_NR_setdomainname:
579a97f7
FB		 5712 if (!(p = lock_user_string(arg1)))
5713 goto efault;
53a5960a
PB		 5714 ret = get_errno(setdomainname(p, arg2));
5715 unlock_user(p, arg1, 0);
31e31b8a
FB		 5716 break;
5717 case TARGET_NR_uname:
5718 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 5719 {
5720 struct new_utsname * buf;
3b46e624 5721
579a97f7
FB		 5722 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5723 goto efault;
29e619b1
FB		 5724 ret = get_errno(sys_uname(buf));
5725 if (!is_error(ret)) {
5726 /* Overrite the native machine name with whatever is being
5727 emulated. */
5728 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 5729 /* Allow the user to override the reported release. */
5730 if (qemu_uname_release && *qemu_uname_release)
5731 strcpy (buf->release, qemu_uname_release);
29e619b1 5732 }
53a5960a 5733 unlock_user_struct(buf, arg1, 1);
29e619b1 5734 }
31e31b8a 5735 break;
6dbad63e 5736#ifdef TARGET_I386
31e31b8a 5737 case TARGET_NR_modify_ldt:
03acab66 5738 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 5739 break;
84409ddb 5740#if !defined(TARGET_X86_64)
5cd4393b
FB		 5741 case TARGET_NR_vm86old:
5742 goto unimplemented;
5743 case TARGET_NR_vm86:
53a5960a 5744 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 5745 break;
84409ddb 5746#endif
6dbad63e 5747#endif
31e31b8a
FB		 5748 case TARGET_NR_adjtimex:
5749 goto unimplemented;
e5febef5 5750#ifdef TARGET_NR_create_module
31e31b8a 5751 case TARGET_NR_create_module:
e5febef5 5752#endif
31e31b8a
FB		 5753 case TARGET_NR_init_module:
5754 case TARGET_NR_delete_module:
e5febef5 5755#ifdef TARGET_NR_get_kernel_syms
31e31b8a 5756 case TARGET_NR_get_kernel_syms:
e5febef5 5757#endif
31e31b8a
FB		 5758 goto unimplemented;
5759 case TARGET_NR_quotactl:
5760 goto unimplemented;
5761 case TARGET_NR_getpgid:
5762 ret = get_errno(getpgid(arg1));
5763 break;
5764 case TARGET_NR_fchdir:
5765 ret = get_errno(fchdir(arg1));
5766 break;
84409ddb 5767#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 5768 case TARGET_NR_bdflush:
5769 goto unimplemented;
84409ddb 5770#endif
e5febef5 5771#ifdef TARGET_NR_sysfs
31e31b8a
FB		 5772 case TARGET_NR_sysfs:
5773 goto unimplemented;
e5febef5 5774#endif
31e31b8a 5775 case TARGET_NR_personality:
1b6b029e 5776 ret = get_errno(personality(arg1));
31e31b8a 5777 break;
e5febef5 5778#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 5779 case TARGET_NR_afs_syscall:
5780 goto unimplemented;
e5febef5 5781#endif
7a3148a9 5782#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 5783 case TARGET_NR__llseek:
5784 {
4f2ac237
FB		 5785#if defined (__x86_64__)
5786 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2f619698
FB		 5787 if (put_user_s64(ret, arg4))
5788 goto efault;
4f2ac237 5789#else
31e31b8a
FB		 5790 int64_t res;
5791 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2f619698
FB		 5792 if (put_user_s64(res, arg4))
5793 goto efault;
4f2ac237 5794#endif
31e31b8a
FB		 5795 }
5796 break;
7a3148a9 5797#endif
31e31b8a 5798 case TARGET_NR_getdents:
d83c8733 5799#if TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 5800 {
53a5960a 5801 struct target_dirent *target_dirp;
6556a833 5802 struct linux_dirent *dirp;
992f48a0 5803 abi_long count = arg3;
4add45b4
FB		 5804
5805 dirp = malloc(count);
0da46a6e 5806 if (!dirp) {
579a97f7 5807 ret = -TARGET_ENOMEM;
0da46a6e
TS		 5808 goto fail;
5809 }
3b46e624 5810
4add45b4
FB		 5811 ret = get_errno(sys_getdents(arg1, dirp, count));
5812 if (!is_error(ret)) {
6556a833 5813 struct linux_dirent *de;
4add45b4
FB		 5814 struct target_dirent *tde;
5815 int len = ret;
5816 int reclen, treclen;
5817 int count1, tnamelen;
5818
5819 count1 = 0;
5820 de = dirp;
579a97f7
FB		 5821 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5822 goto efault;
4add45b4
FB		 5823 tde = target_dirp;
5824 while (len > 0) {
5825 reclen = de->d_reclen;
992f48a0 5826 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4
FB		 5827 tde->d_reclen = tswap16(treclen);
5828 tde->d_ino = tswapl(de->d_ino);
5829 tde->d_off = tswapl(de->d_off);
992f48a0 5830 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 5831 if (tnamelen > 256)
5832 tnamelen = 256;
80a9d035 5833 /* XXX: may not be correct */
be15b141 5834 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 5835 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 5836 len -= reclen;
1c5bf3bf 5837 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 5838 count1 += treclen;
5839 }
5840 ret = count1;
579a97f7 5841 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 5842 }
5843 free(dirp);
5844 }
5845#else
31e31b8a 5846 {
6556a833 5847 struct linux_dirent *dirp;
992f48a0 5848 abi_long count = arg3;
dab2ed99 5849
579a97f7
FB		 5850 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5851 goto efault;
72f03900 5852 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 5853 if (!is_error(ret)) {
6556a833 5854 struct linux_dirent *de;
31e31b8a
FB		 5855 int len = ret;
5856 int reclen;
5857 de = dirp;
5858 while (len > 0) {
8083a3e5 5859 reclen = de->d_reclen;
31e31b8a
FB		 5860 if (reclen > len)
5861 break;
8083a3e5 5862 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 5863 tswapls(&de->d_ino);
5864 tswapls(&de->d_off);
6556a833 5865 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 5866 len -= reclen;
5867 }
5868 }
53a5960a 5869 unlock_user(dirp, arg2, ret);
31e31b8a 5870 }
4add45b4 5871#endif
31e31b8a 5872 break;
3ae43202 5873#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 5874 case TARGET_NR_getdents64:
5875 {
6556a833 5876 struct linux_dirent64 *dirp;
992f48a0 5877 abi_long count = arg3;
579a97f7
FB		 5878 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5879 goto efault;
dab2ed99
FB		 5880 ret = get_errno(sys_getdents64(arg1, dirp, count));
5881 if (!is_error(ret)) {
6556a833 5882 struct linux_dirent64 *de;
dab2ed99
FB		 5883 int len = ret;
5884 int reclen;
5885 de = dirp;
5886 while (len > 0) {
8083a3e5 5887 reclen = de->d_reclen;
dab2ed99
FB		 5888 if (reclen > len)
5889 break;
8083a3e5 5890 de->d_reclen = tswap16(reclen);
8582a53a
FB		 5891 tswap64s((uint64_t *)&de->d_ino);
5892 tswap64s((uint64_t *)&de->d_off);
6556a833 5893 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 5894 len -= reclen;
5895 }
5896 }
53a5960a 5897 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 5898 }
5899 break;
a541f297 5900#endif /* TARGET_NR_getdents64 */
e5febef5 5901#ifdef TARGET_NR__newselect
31e31b8a 5902 case TARGET_NR__newselect:
53a5960a 5903 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 5904 break;
e5febef5
TS		 5905#endif
5906#ifdef TARGET_NR_poll
9de5e440
FB		 5907 case TARGET_NR_poll:
5908 {
53a5960a 5909 struct target_pollfd *target_pfd;
9de5e440
FB		 5910 unsigned int nfds = arg2;
5911 int timeout = arg3;
5912 struct pollfd *pfd;
7854b056 5913 unsigned int i;
9de5e440 5914
579a97f7
FB		 5915 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5916 if (!target_pfd)
5917 goto efault;
9de5e440
FB		 5918 pfd = alloca(sizeof(struct pollfd) * nfds);
5919 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 5920 pfd[i].fd = tswap32(target_pfd[i].fd);
5921 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 5922 }
5923 ret = get_errno(poll(pfd, nfds, timeout));
5924 if (!is_error(ret)) {
5925 for(i = 0; i < nfds; i++) {
5cd4393b 5926 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 5927 }
53a5960a
PB		 5928 ret += nfds * (sizeof(struct target_pollfd)
5929 - sizeof(struct pollfd));
9de5e440 5930 }
53a5960a 5931 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 5932 }
5933 break;
e5febef5 5934#endif
31e31b8a 5935 case TARGET_NR_flock:
9de5e440
FB		 5936 /* NOTE: the flock constant seems to be the same for every
5937 Linux platform */
5938 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 5939 break;
5940 case TARGET_NR_readv:
5941 {
5942 int count = arg3;
31e31b8a 5943 struct iovec *vec;
31e31b8a
FB		 5944
5945 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 5946 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
5947 goto efault;
31e31b8a 5948 ret = get_errno(readv(arg1, vec, count));
53a5960a 5949 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 5950 }
5951 break;
5952 case TARGET_NR_writev:
5953 {
5954 int count = arg3;
31e31b8a 5955 struct iovec *vec;
31e31b8a
FB		 5956
5957 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 5958 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
5959 goto efault;
31e31b8a 5960 ret = get_errno(writev(arg1, vec, count));
53a5960a 5961 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 5962 }
5963 break;
5964 case TARGET_NR_getsid:
5965 ret = get_errno(getsid(arg1));
5966 break;
7a3148a9 5967#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 5968 case TARGET_NR_fdatasync:
5cd4393b
FB		 5969 ret = get_errno(fdatasync(arg1));
5970 break;
7a3148a9 5971#endif
31e31b8a 5972 case TARGET_NR__sysctl:
0da46a6e 5973 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 5974 return value. */
0da46a6e
TS		 5975 ret = -TARGET_ENOTDIR;
5976 break;
31e31b8a 5977 case TARGET_NR_sched_setparam:
5cd4393b 5978 {
53a5960a 5979 struct sched_param *target_schp;
5cd4393b 5980 struct sched_param schp;
53a5960a 5981
579a97f7
FB		 5982 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
5983 goto efault;
5cd4393b 5984 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 5985 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 5986 ret = get_errno(sched_setparam(arg1, &schp));
5987 }
5988 break;
31e31b8a 5989 case TARGET_NR_sched_getparam:
5cd4393b 5990 {
53a5960a 5991 struct sched_param *target_schp;
5cd4393b
FB		 5992 struct sched_param schp;
5993 ret = get_errno(sched_getparam(arg1, &schp));
5994 if (!is_error(ret)) {
579a97f7
FB		 5995 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
5996 goto efault;
5cd4393b 5997 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 5998 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 5999 }
6000 }
6001 break;
31e31b8a 6002 case TARGET_NR_sched_setscheduler:
5cd4393b 6003 {
53a5960a 6004 struct sched_param *target_schp;
5cd4393b 6005 struct sched_param schp;
579a97f7
FB		 6006 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
6007 goto efault;
5cd4393b 6008 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6009 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 6010 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
6011 }
6012 break;
31e31b8a 6013 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 6014 ret = get_errno(sched_getscheduler(arg1));
6015 break;
31e31b8a
FB		 6016 case TARGET_NR_sched_yield:
6017 ret = get_errno(sched_yield());
6018 break;
6019 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 6020 ret = get_errno(sched_get_priority_max(arg1));
6021 break;
31e31b8a 6022 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 6023 ret = get_errno(sched_get_priority_min(arg1));
6024 break;
31e31b8a 6025 case TARGET_NR_sched_rr_get_interval:
5cd4393b 6026 {
5cd4393b
FB		 6027 struct timespec ts;
6028 ret = get_errno(sched_rr_get_interval(arg1, &ts));
6029 if (!is_error(ret)) {
53a5960a 6030 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 6031 }
6032 }
6033 break;
31e31b8a 6034 case TARGET_NR_nanosleep:
1b6b029e 6035 {
1b6b029e 6036 struct timespec req, rem;
53a5960a 6037 target_to_host_timespec(&req, arg1);
1b6b029e 6038 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 6039 if (is_error(ret) && arg2) {
6040 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 6041 }
6042 }
6043 break;
e5febef5 6044#ifdef TARGET_NR_query_module
31e31b8a 6045 case TARGET_NR_query_module:
5cd4393b 6046 goto unimplemented;
e5febef5
TS		 6047#endif
6048#ifdef TARGET_NR_nfsservctl
31e31b8a 6049 case TARGET_NR_nfsservctl:
5cd4393b 6050 goto unimplemented;
e5febef5 6051#endif
31e31b8a 6052 case TARGET_NR_prctl:
e5574487
TS		 6053 switch (arg1)
6054 {
6055 case PR_GET_PDEATHSIG:
6056 {
6057 int deathsig;
6058 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 6059 if (!is_error(ret) && arg2
6060 && put_user_ual(deathsig, arg2))
6061 goto efault;
e5574487
TS		 6062 }
6063 break;
6064 default:
6065 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6066 break;
6067 }
39b9aae1 6068 break;
d2fd1af7
FB		 6069#ifdef TARGET_NR_arch_prctl
6070 case TARGET_NR_arch_prctl:
6071#if defined(TARGET_I386) && !defined(TARGET_ABI32)
6072 ret = do_arch_prctl(cpu_env, arg1, arg2);
6073 break;
6074#else
6075 goto unimplemented;
6076#endif
6077#endif
67867308 6078#ifdef TARGET_NR_pread
31e31b8a 6079 case TARGET_NR_pread:
a4ae00bc
AZ		 6080#ifdef TARGET_ARM
6081 if (((CPUARMState *)cpu_env)->eabi)
6082 arg4 = arg5;
6083#endif
579a97f7
FB		 6084 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6085 goto efault;
53a5960a
PB		 6086 ret = get_errno(pread(arg1, p, arg3, arg4));
6087 unlock_user(p, arg2, ret);
206f0fa7 6088 break;
31e31b8a 6089 case TARGET_NR_pwrite:
a4ae00bc
AZ		 6090#ifdef TARGET_ARM
6091 if (((CPUARMState *)cpu_env)->eabi)
6092 arg4 = arg5;
6093#endif
579a97f7
FB		 6094 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6095 goto efault;
53a5960a
PB		 6096 ret = get_errno(pwrite(arg1, p, arg3, arg4));
6097 unlock_user(p, arg2, 0);
206f0fa7 6098 break;
f2c7ba15
AJ		 6099#endif
6100#ifdef TARGET_NR_pread64
6101 case TARGET_NR_pread64:
6102 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6103 goto efault;
6104 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6105 unlock_user(p, arg2, ret);
6106 break;
6107 case TARGET_NR_pwrite64:
6108 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6109 goto efault;
6110 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6111 unlock_user(p, arg2, 0);
6112 break;
67867308 6113#endif
31e31b8a 6114 case TARGET_NR_getcwd:
579a97f7
FB		 6115 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6116 goto efault;
53a5960a
PB		 6117 ret = get_errno(sys_getcwd1(p, arg2));
6118 unlock_user(p, arg1, ret);
31e31b8a
FB		 6119 break;
6120 case TARGET_NR_capget:
5cd4393b 6121 goto unimplemented;
31e31b8a 6122 case TARGET_NR_capset:
5cd4393b 6123 goto unimplemented;
31e31b8a 6124 case TARGET_NR_sigaltstack:
198a74de 6125#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154
LV		 6126 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
6127 defined(TARGET_M68K)
579a97f7 6128 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
a04e134a
TS		 6129 break;
6130#else
5cd4393b 6131 goto unimplemented;
a04e134a 6132#endif
31e31b8a 6133 case TARGET_NR_sendfile:
5cd4393b 6134 goto unimplemented;
ebc05488 6135#ifdef TARGET_NR_getpmsg
31e31b8a 6136 case TARGET_NR_getpmsg:
5cd4393b 6137 goto unimplemented;
ebc05488
FB		 6138#endif
6139#ifdef TARGET_NR_putpmsg
31e31b8a 6140 case TARGET_NR_putpmsg:
5cd4393b 6141 goto unimplemented;
ebc05488 6142#endif
048f6b4d 6143#ifdef TARGET_NR_vfork
31e31b8a 6144 case TARGET_NR_vfork:
d865bab5
PB		 6145 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6146 0, 0, 0, 0));
31e31b8a 6147 break;
048f6b4d 6148#endif
ebc05488 6149#ifdef TARGET_NR_ugetrlimit
31e31b8a 6150 case TARGET_NR_ugetrlimit:
728584be
FB		 6151 {
6152 struct rlimit rlim;
6153 ret = get_errno(getrlimit(arg1, &rlim));
6154 if (!is_error(ret)) {
53a5960a 6155 struct target_rlimit *target_rlim;
579a97f7
FB		 6156 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6157 goto efault;
728584be
FB		 6158 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
6159 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 6160 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 6161 }
6162 break;
6163 }
ebc05488 6164#endif
a315a145 6165#ifdef TARGET_NR_truncate64
31e31b8a 6166 case TARGET_NR_truncate64:
579a97f7
FB		 6167 if (!(p = lock_user_string(arg1)))
6168 goto efault;
53a5960a
PB		 6169 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6170 unlock_user(p, arg1, 0);
667f38b1 6171 break;
a315a145
FB		 6172#endif
6173#ifdef TARGET_NR_ftruncate64
31e31b8a 6174 case TARGET_NR_ftruncate64:
ce4defa0 6175 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 6176 break;
a315a145
FB		 6177#endif
6178#ifdef TARGET_NR_stat64
31e31b8a 6179 case TARGET_NR_stat64:
579a97f7
FB		 6180 if (!(p = lock_user_string(arg1)))
6181 goto efault;
53a5960a
PB		 6182 ret = get_errno(stat(path(p), &st));
6183 unlock_user(p, arg1, 0);
6a24a778
AZ		 6184 if (!is_error(ret))
6185 ret = host_to_target_stat64(cpu_env, arg2, &st);
6186 break;
a315a145
FB		 6187#endif
6188#ifdef TARGET_NR_lstat64
31e31b8a 6189 case TARGET_NR_lstat64:
579a97f7
FB		 6190 if (!(p = lock_user_string(arg1)))
6191 goto efault;
53a5960a
PB		 6192 ret = get_errno(lstat(path(p), &st));
6193 unlock_user(p, arg1, 0);
6a24a778
AZ		 6194 if (!is_error(ret))
6195 ret = host_to_target_stat64(cpu_env, arg2, &st);
6196 break;
a315a145
FB		 6197#endif
6198#ifdef TARGET_NR_fstat64
31e31b8a 6199 case TARGET_NR_fstat64:
6a24a778
AZ		 6200 ret = get_errno(fstat(arg1, &st));
6201 if (!is_error(ret))
6202 ret = host_to_target_stat64(cpu_env, arg2, &st);
6203 break;
ce4defa0 6204#endif
9d33b76b
AJ		 6205#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6206 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6207#ifdef TARGET_NR_fstatat64
6a24a778 6208 case TARGET_NR_fstatat64:
9d33b76b
AJ		 6209#endif
6210#ifdef TARGET_NR_newfstatat
6211 case TARGET_NR_newfstatat:
6212#endif
6a24a778
AZ		 6213 if (!(p = lock_user_string(arg2)))
6214 goto efault;
9d33b76b 6215#ifdef __NR_fstatat64
6a24a778 6216 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 6217#else
6218 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6219#endif
6a24a778
AZ		 6220 if (!is_error(ret))
6221 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 6222 break;
a315a145 6223#endif
67867308
FB		 6224#ifdef USE_UID16
6225 case TARGET_NR_lchown:
579a97f7
FB		 6226 if (!(p = lock_user_string(arg1)))
6227 goto efault;
53a5960a
PB		 6228 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6229 unlock_user(p, arg1, 0);
67867308
FB		 6230 break;
6231 case TARGET_NR_getuid:
6232 ret = get_errno(high2lowuid(getuid()));
6233 break;
6234 case TARGET_NR_getgid:
6235 ret = get_errno(high2lowgid(getgid()));
6236 break;
6237 case TARGET_NR_geteuid:
6238 ret = get_errno(high2lowuid(geteuid()));
6239 break;
6240 case TARGET_NR_getegid:
6241 ret = get_errno(high2lowgid(getegid()));
6242 break;
6243 case TARGET_NR_setreuid:
6244 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6245 break;
6246 case TARGET_NR_setregid:
6247 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6248 break;
6249 case TARGET_NR_getgroups:
6250 {
6251 int gidsetsize = arg1;
53a5960a 6252 uint16_t *target_grouplist;
67867308
FB		 6253 gid_t *grouplist;
6254 int i;
6255
6256 grouplist = alloca(gidsetsize * sizeof(gid_t));
6257 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6258 if (gidsetsize == 0)
6259 break;
67867308 6260 if (!is_error(ret)) {
579a97f7
FB		 6261 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6262 if (!target_grouplist)
6263 goto efault;
a2155fcc 6264 for(i = 0;i < ret; i++)
67867308 6265 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 6266 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 6267 }
6268 }
6269 break;
6270 case TARGET_NR_setgroups:
6271 {
6272 int gidsetsize = arg1;
53a5960a 6273 uint16_t *target_grouplist;
67867308
FB		 6274 gid_t *grouplist;
6275 int i;
6276
6277 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6278 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6279 if (!target_grouplist) {
6280 ret = -TARGET_EFAULT;
6281 goto fail;
6282 }
67867308
FB		 6283 for(i = 0;i < gidsetsize; i++)
6284 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 6285 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 6286 ret = get_errno(setgroups(gidsetsize, grouplist));
6287 }
6288 break;
6289 case TARGET_NR_fchown:
6290 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6291 break;
ccfa72b7
TS		 6292#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6293 case TARGET_NR_fchownat:
579a97f7
FB		 6294 if (!(p = lock_user_string(arg2)))
6295 goto efault;
6296 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6297 unlock_user(p, arg2, 0);
ccfa72b7
TS		 6298 break;
6299#endif
67867308
FB		 6300#ifdef TARGET_NR_setresuid
6301 case TARGET_NR_setresuid:
5fafdf24
TS		 6302 ret = get_errno(setresuid(low2highuid(arg1),
6303 low2highuid(arg2),
67867308
FB		 6304 low2highuid(arg3)));
6305 break;
6306#endif
6307#ifdef TARGET_NR_getresuid
6308 case TARGET_NR_getresuid:
6309 {
53a5960a 6310 uid_t ruid, euid, suid;
67867308
FB		 6311 ret = get_errno(getresuid(&ruid, &euid, &suid));
6312 if (!is_error(ret)) {
2f619698
FB		 6313 if (put_user_u16(high2lowuid(ruid), arg1)
6314 || put_user_u16(high2lowuid(euid), arg2)
6315 || put_user_u16(high2lowuid(suid), arg3))
6316 goto efault;
67867308
FB		 6317 }
6318 }
6319 break;
6320#endif
6321#ifdef TARGET_NR_getresgid
6322 case TARGET_NR_setresgid:
5fafdf24
TS		 6323 ret = get_errno(setresgid(low2highgid(arg1),
6324 low2highgid(arg2),
67867308
FB		 6325 low2highgid(arg3)));
6326 break;
6327#endif
6328#ifdef TARGET_NR_getresgid
6329 case TARGET_NR_getresgid:
6330 {
53a5960a 6331 gid_t rgid, egid, sgid;
67867308
FB		 6332 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6333 if (!is_error(ret)) {
2f619698
FB		 6334 if (put_user_u16(high2lowgid(rgid), arg1)
6335 || put_user_u16(high2lowgid(egid), arg2)
6336 || put_user_u16(high2lowgid(sgid), arg3))
6337 goto efault;
67867308
FB		 6338 }
6339 }
6340 break;
6341#endif
6342 case TARGET_NR_chown:
579a97f7
FB		 6343 if (!(p = lock_user_string(arg1)))
6344 goto efault;
53a5960a
PB		 6345 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6346 unlock_user(p, arg1, 0);
67867308
FB		 6347 break;
6348 case TARGET_NR_setuid:
6349 ret = get_errno(setuid(low2highuid(arg1)));
6350 break;
6351 case TARGET_NR_setgid:
6352 ret = get_errno(setgid(low2highgid(arg1)));
6353 break;
6354 case TARGET_NR_setfsuid:
6355 ret = get_errno(setfsuid(arg1));
6356 break;
6357 case TARGET_NR_setfsgid:
6358 ret = get_errno(setfsgid(arg1));
6359 break;
6360#endif /* USE_UID16 */
6361
a315a145 6362#ifdef TARGET_NR_lchown32
31e31b8a 6363 case TARGET_NR_lchown32:
579a97f7
FB		 6364 if (!(p = lock_user_string(arg1)))
6365 goto efault;
53a5960a
PB		 6366 ret = get_errno(lchown(p, arg2, arg3));
6367 unlock_user(p, arg1, 0);
b03c60f3 6368 break;
a315a145
FB		 6369#endif
6370#ifdef TARGET_NR_getuid32
31e31b8a 6371 case TARGET_NR_getuid32:
b03c60f3
FB		 6372 ret = get_errno(getuid());
6373 break;
a315a145 6374#endif
64b4d28c
AJ		 6375
6376#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6377 /* Alpha specific */
6378 case TARGET_NR_getxuid:
6379 {
6380 uid_t euid;
6381 euid=geteuid();
6382 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6383 }
6384 ret = get_errno(getuid());
6385 break;
6386#endif
6387#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6388 /* Alpha specific */
6389 case TARGET_NR_getxgid:
6390 {
6391 uid_t egid;
6392 egid=getegid();
6393 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6394 }
6395 ret = get_errno(getgid());
6396 break;
6397#endif
6398
a315a145 6399#ifdef TARGET_NR_getgid32
31e31b8a 6400 case TARGET_NR_getgid32:
b03c60f3
FB		 6401 ret = get_errno(getgid());
6402 break;
a315a145
FB		 6403#endif
6404#ifdef TARGET_NR_geteuid32
31e31b8a 6405 case TARGET_NR_geteuid32:
b03c60f3
FB		 6406 ret = get_errno(geteuid());
6407 break;
a315a145
FB		 6408#endif
6409#ifdef TARGET_NR_getegid32
31e31b8a 6410 case TARGET_NR_getegid32:
b03c60f3
FB		 6411 ret = get_errno(getegid());
6412 break;
a315a145
FB		 6413#endif
6414#ifdef TARGET_NR_setreuid32
31e31b8a 6415 case TARGET_NR_setreuid32:
b03c60f3
FB		 6416 ret = get_errno(setreuid(arg1, arg2));
6417 break;
a315a145
FB		 6418#endif
6419#ifdef TARGET_NR_setregid32
31e31b8a 6420 case TARGET_NR_setregid32:
b03c60f3
FB		 6421 ret = get_errno(setregid(arg1, arg2));
6422 break;
a315a145
FB		 6423#endif
6424#ifdef TARGET_NR_getgroups32
31e31b8a 6425 case TARGET_NR_getgroups32:
99c475ab
FB		 6426 {
6427 int gidsetsize = arg1;
53a5960a 6428 uint32_t *target_grouplist;
99c475ab
FB		 6429 gid_t *grouplist;
6430 int i;
6431
6432 grouplist = alloca(gidsetsize * sizeof(gid_t));
6433 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6434 if (gidsetsize == 0)
6435 break;
99c475ab 6436 if (!is_error(ret)) {
579a97f7
FB		 6437 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6438 if (!target_grouplist) {
6439 ret = -TARGET_EFAULT;
6440 goto fail;
6441 }
a2155fcc 6442 for(i = 0;i < ret; i++)
53a5960a
PB		 6443 target_grouplist[i] = tswap32(grouplist[i]);
6444 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 6445 }
6446 }
6447 break;
a315a145
FB		 6448#endif
6449#ifdef TARGET_NR_setgroups32
31e31b8a 6450 case TARGET_NR_setgroups32:
99c475ab
FB		 6451 {
6452 int gidsetsize = arg1;
53a5960a 6453 uint32_t *target_grouplist;
99c475ab
FB		 6454 gid_t *grouplist;
6455 int i;
3b46e624 6456
99c475ab 6457 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6458 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6459 if (!target_grouplist) {
6460 ret = -TARGET_EFAULT;
6461 goto fail;
6462 }
99c475ab 6463 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 6464 grouplist[i] = tswap32(target_grouplist[i]);
6465 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 6466 ret = get_errno(setgroups(gidsetsize, grouplist));
6467 }
6468 break;
a315a145
FB		 6469#endif
6470#ifdef TARGET_NR_fchown32
31e31b8a 6471 case TARGET_NR_fchown32:
b03c60f3
FB		 6472 ret = get_errno(fchown(arg1, arg2, arg3));
6473 break;
a315a145
FB		 6474#endif
6475#ifdef TARGET_NR_setresuid32
31e31b8a 6476 case TARGET_NR_setresuid32:
b03c60f3
FB		 6477 ret = get_errno(setresuid(arg1, arg2, arg3));
6478 break;
a315a145
FB		 6479#endif
6480#ifdef TARGET_NR_getresuid32
31e31b8a 6481 case TARGET_NR_getresuid32:
b03c60f3 6482 {
53a5960a 6483 uid_t ruid, euid, suid;
b03c60f3
FB		 6484 ret = get_errno(getresuid(&ruid, &euid, &suid));
6485 if (!is_error(ret)) {
2f619698
FB		 6486 if (put_user_u32(ruid, arg1)
6487 || put_user_u32(euid, arg2)
6488 || put_user_u32(suid, arg3))
6489 goto efault;
b03c60f3
FB		 6490 }
6491 }
6492 break;
a315a145
FB		 6493#endif
6494#ifdef TARGET_NR_setresgid32
31e31b8a 6495 case TARGET_NR_setresgid32:
b03c60f3
FB		 6496 ret = get_errno(setresgid(arg1, arg2, arg3));
6497 break;
a315a145
FB		 6498#endif
6499#ifdef TARGET_NR_getresgid32
31e31b8a 6500 case TARGET_NR_getresgid32:
b03c60f3 6501 {
53a5960a 6502 gid_t rgid, egid, sgid;
b03c60f3
FB		 6503 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6504 if (!is_error(ret)) {
2f619698
FB		 6505 if (put_user_u32(rgid, arg1)
6506 || put_user_u32(egid, arg2)
6507 || put_user_u32(sgid, arg3))
6508 goto efault;
b03c60f3
FB		 6509 }
6510 }
6511 break;
a315a145
FB		 6512#endif
6513#ifdef TARGET_NR_chown32
31e31b8a 6514 case TARGET_NR_chown32:
579a97f7
FB		 6515 if (!(p = lock_user_string(arg1)))
6516 goto efault;
53a5960a
PB		 6517 ret = get_errno(chown(p, arg2, arg3));
6518 unlock_user(p, arg1, 0);
b03c60f3 6519 break;
a315a145
FB		 6520#endif
6521#ifdef TARGET_NR_setuid32
31e31b8a 6522 case TARGET_NR_setuid32:
b03c60f3
FB		 6523 ret = get_errno(setuid(arg1));
6524 break;
a315a145
FB		 6525#endif
6526#ifdef TARGET_NR_setgid32
31e31b8a 6527 case TARGET_NR_setgid32:
b03c60f3
FB		 6528 ret = get_errno(setgid(arg1));
6529 break;
a315a145
FB		 6530#endif
6531#ifdef TARGET_NR_setfsuid32
31e31b8a 6532 case TARGET_NR_setfsuid32:
b03c60f3
FB		 6533 ret = get_errno(setfsuid(arg1));
6534 break;
a315a145
FB		 6535#endif
6536#ifdef TARGET_NR_setfsgid32
31e31b8a 6537 case TARGET_NR_setfsgid32:
b03c60f3
FB		 6538 ret = get_errno(setfsgid(arg1));
6539 break;
a315a145 6540#endif
67867308 6541
31e31b8a 6542 case TARGET_NR_pivot_root:
b03c60f3 6543 goto unimplemented;
ffa65c3b 6544#ifdef TARGET_NR_mincore
31e31b8a 6545 case TARGET_NR_mincore:
04bb9ace
AJ		 6546 {
6547 void *a;
6548 ret = -TARGET_EFAULT;
6549 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6550 goto efault;
6551 if (!(p = lock_user_string(arg3)))
6552 goto mincore_fail;
6553 ret = get_errno(mincore(a, arg2, p));
6554 unlock_user(p, arg3, ret);
6555 mincore_fail:
6556 unlock_user(a, arg1, 0);
6557 }
6558 break;
ffa65c3b 6559#endif
408321b6
AJ		 6560#ifdef TARGET_NR_arm_fadvise64_64
6561 case TARGET_NR_arm_fadvise64_64:
6562 {
6563 /*
6564 * arm_fadvise64_64 looks like fadvise64_64 but
6565 * with different argument order
6566 */
6567 abi_long temp;
6568 temp = arg3;
6569 arg3 = arg4;
6570 arg4 = temp;
6571 }
6572#endif
e72d2cc7 6573#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64) || defined(TARGET_NR_fadvise64)
408321b6
AJ		 6574#ifdef TARGET_NR_fadvise64_64
6575 case TARGET_NR_fadvise64_64:
6576#endif
e72d2cc7
UH		 6577#ifdef TARGET_NR_fadvise64
6578 case TARGET_NR_fadvise64:
6579#endif
6580#ifdef TARGET_S390X
6581 switch (arg4) {
6582 case 4: arg4 = POSIX_FADV_NOREUSE + 1; break; /* make sure it's an invalid value */
6583 case 5: arg4 = POSIX_FADV_NOREUSE + 2; break; /* ditto */
6584 case 6: arg4 = POSIX_FADV_DONTNEED; break;
6585 case 7: arg4 = POSIX_FADV_NOREUSE; break;
6586 default: break;
6587 }
6588#endif
6589 ret = -posix_fadvise(arg1, arg2, arg3, arg4);
408321b6
AJ		 6590 break;
6591#endif
ffa65c3b 6592#ifdef TARGET_NR_madvise
31e31b8a 6593 case TARGET_NR_madvise:
24836689
PB		 6594 /* A straight passthrough may not be safe because qemu sometimes
6595 turns private flie-backed mappings into anonymous mappings.
6596 This will break MADV_DONTNEED.
6597 This is a hint, so ignoring and returning success is ok. */
6598 ret = get_errno(0);
6599 break;
ffa65c3b 6600#endif
992f48a0 6601#if TARGET_ABI_BITS == 32
31e31b8a 6602 case TARGET_NR_fcntl64:
77e4672d 6603 {
b1e341eb 6604 int cmd;
77e4672d 6605 struct flock64 fl;
53a5960a 6606 struct target_flock64 *target_fl;
ce4defa0 6607#ifdef TARGET_ARM
53a5960a 6608 struct target_eabi_flock64 *target_efl;
ce4defa0 6609#endif
77e4672d 6610
5f106811
APR		 6611 cmd = target_to_host_fcntl_cmd(arg2);
6612 if (cmd == -TARGET_EINVAL)
6613 return cmd;
b1e341eb 6614
60cd49d5 6615 switch(arg2) {
b1e341eb 6616 case TARGET_F_GETLK64:
5813427b
TS		 6617#ifdef TARGET_ARM
6618 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6619 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6620 goto efault;
5813427b
TS		 6621 fl.l_type = tswap16(target_efl->l_type);
6622 fl.l_whence = tswap16(target_efl->l_whence);
6623 fl.l_start = tswap64(target_efl->l_start);
6624 fl.l_len = tswap64(target_efl->l_len);
7e22e546 6625 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 6626 unlock_user_struct(target_efl, arg3, 0);
6627 } else
6628#endif
6629 {
9ee1fa2c
FB		 6630 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6631 goto efault;
5813427b
TS		 6632 fl.l_type = tswap16(target_fl->l_type);
6633 fl.l_whence = tswap16(target_fl->l_whence);
6634 fl.l_start = tswap64(target_fl->l_start);
6635 fl.l_len = tswap64(target_fl->l_len);
7e22e546 6636 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 6637 unlock_user_struct(target_fl, arg3, 0);
6638 }
b1e341eb 6639 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6640 if (ret == 0) {
ce4defa0
PB		 6641#ifdef TARGET_ARM
6642 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6643 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6644 goto efault;
ce4defa0
PB		 6645 target_efl->l_type = tswap16(fl.l_type);
6646 target_efl->l_whence = tswap16(fl.l_whence);
6647 target_efl->l_start = tswap64(fl.l_start);
6648 target_efl->l_len = tswap64(fl.l_len);
7e22e546 6649 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 6650 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 6651 } else
6652#endif
6653 {
9ee1fa2c
FB		 6654 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6655 goto efault;
ce4defa0
PB		 6656 target_fl->l_type = tswap16(fl.l_type);
6657 target_fl->l_whence = tswap16(fl.l_whence);
6658 target_fl->l_start = tswap64(fl.l_start);
6659 target_fl->l_len = tswap64(fl.l_len);
7e22e546 6660 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 6661 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 6662 }
77e4672d
FB		 6663 }
6664 break;
6665
b1e341eb
TS		 6666 case TARGET_F_SETLK64:
6667 case TARGET_F_SETLKW64:
ce4defa0
PB		 6668#ifdef TARGET_ARM
6669 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6670 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6671 goto efault;
ce4defa0
PB		 6672 fl.l_type = tswap16(target_efl->l_type);
6673 fl.l_whence = tswap16(target_efl->l_whence);
6674 fl.l_start = tswap64(target_efl->l_start);
6675 fl.l_len = tswap64(target_efl->l_len);
7e22e546 6676 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 6677 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 6678 } else
6679#endif
6680 {
9ee1fa2c
FB		 6681 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6682 goto efault;
ce4defa0
PB		 6683 fl.l_type = tswap16(target_fl->l_type);
6684 fl.l_whence = tswap16(target_fl->l_whence);
6685 fl.l_start = tswap64(target_fl->l_start);
6686 fl.l_len = tswap64(target_fl->l_len);
7e22e546 6687 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 6688 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 6689 }
b1e341eb 6690 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6691 break;
60cd49d5 6692 default:
5f106811 6693 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 6694 break;
6695 }
77e4672d
FB		 6696 break;
6697 }
60cd49d5 6698#endif
7d600c80
TS		 6699#ifdef TARGET_NR_cacheflush
6700 case TARGET_NR_cacheflush:
6701 /* self-modifying code is handled automatically, so nothing needed */
6702 ret = 0;
6703 break;
6704#endif
ebc05488 6705#ifdef TARGET_NR_security
31e31b8a
FB		 6706 case TARGET_NR_security:
6707 goto unimplemented;
c573ff67
FB		 6708#endif
6709#ifdef TARGET_NR_getpagesize
6710 case TARGET_NR_getpagesize:
6711 ret = TARGET_PAGE_SIZE;
6712 break;
ebc05488 6713#endif
31e31b8a
FB		 6714 case TARGET_NR_gettid:
6715 ret = get_errno(gettid());
6716 break;
e5febef5 6717#ifdef TARGET_NR_readahead
31e31b8a 6718 case TARGET_NR_readahead:
2054ac9b
AJ		 6719#if TARGET_ABI_BITS == 32
6720#ifdef TARGET_ARM
6721 if (((CPUARMState *)cpu_env)->eabi)
6722 {
6723 arg2 = arg3;
6724 arg3 = arg4;
6725 arg4 = arg5;
6726 }
6727#endif
6728 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
6729#else
6730 ret = get_errno(readahead(arg1, arg2, arg3));
6731#endif
6732 break;
e5febef5 6733#endif
ebc05488 6734#ifdef TARGET_NR_setxattr
31e31b8a
FB		 6735 case TARGET_NR_setxattr:
6736 case TARGET_NR_lsetxattr:
6737 case TARGET_NR_fsetxattr:
6738 case TARGET_NR_getxattr:
6739 case TARGET_NR_lgetxattr:
6740 case TARGET_NR_fgetxattr:
6741 case TARGET_NR_listxattr:
6742 case TARGET_NR_llistxattr:
6743 case TARGET_NR_flistxattr:
6744 case TARGET_NR_removexattr:
6745 case TARGET_NR_lremovexattr:
6746 case TARGET_NR_fremovexattr:
6f932f91
AP		 6747 ret = -TARGET_EOPNOTSUPP;
6748 break;
ebc05488
FB		 6749#endif
6750#ifdef TARGET_NR_set_thread_area
5cd4393b 6751 case TARGET_NR_set_thread_area:
8d18e893 6752#if defined(TARGET_MIPS)
6f5b89a0
TS		 6753 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
6754 ret = 0;
6755 break;
ef96779b
EI		 6756#elif defined(TARGET_CRIS)
6757 if (arg1 & 0xff)
6758 ret = -TARGET_EINVAL;
6759 else {
6760 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
6761 ret = 0;
6762 }
6763 break;
8d18e893
FB		 6764#elif defined(TARGET_I386) && defined(TARGET_ABI32)
6765 ret = do_set_thread_area(cpu_env, arg1);
6766 break;
6f5b89a0
TS		 6767#else
6768 goto unimplemented_nowarn;
6769#endif
6770#endif
6771#ifdef TARGET_NR_get_thread_area
5cd4393b 6772 case TARGET_NR_get_thread_area:
8d18e893
FB		 6773#if defined(TARGET_I386) && defined(TARGET_ABI32)
6774 ret = do_get_thread_area(cpu_env, arg1);
6775#else
5cd4393b 6776 goto unimplemented_nowarn;
48dc41eb 6777#endif
8d18e893 6778#endif
48dc41eb
FB		 6779#ifdef TARGET_NR_getdomainname
6780 case TARGET_NR_getdomainname:
6781 goto unimplemented_nowarn;
ebc05488 6782#endif
6f5b89a0 6783
b5906f95
TS		 6784#ifdef TARGET_NR_clock_gettime
6785 case TARGET_NR_clock_gettime:
6786 {
6787 struct timespec ts;
6788 ret = get_errno(clock_gettime(arg1, &ts));
6789 if (!is_error(ret)) {
6790 host_to_target_timespec(arg2, &ts);
6791 }
6792 break;
6793 }
6794#endif
6795#ifdef TARGET_NR_clock_getres
6796 case TARGET_NR_clock_getres:
6797 {
6798 struct timespec ts;
6799 ret = get_errno(clock_getres(arg1, &ts));
6800 if (!is_error(ret)) {
6801 host_to_target_timespec(arg2, &ts);
6802 }
6803 break;
6804 }
6805#endif
63d7651b
PB		 6806#ifdef TARGET_NR_clock_nanosleep
6807 case TARGET_NR_clock_nanosleep:
6808 {
6809 struct timespec ts;
6810 target_to_host_timespec(&ts, arg3);
6811 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
6812 if (arg4)
6813 host_to_target_timespec(arg4, &ts);
6814 break;
6815 }
6816#endif
b5906f95 6817
6f5b89a0
TS		 6818#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
6819 case TARGET_NR_set_tid_address:
579a97f7
FB		 6820 ret = get_errno(set_tid_address((int *)g2h(arg1)));
6821 break;
6f5b89a0
TS		 6822#endif
6823
3ae43202 6824#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 6825 case TARGET_NR_tkill:
4cb05961 6826 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 6827 break;
6828#endif
6829
3ae43202 6830#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 6831 case TARGET_NR_tgkill:
4cb05961
PB		 6832 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
6833 target_to_host_signal(arg3)));
71455574
TS		 6834 break;
6835#endif
6836
4f2b1fe8
TS		 6837#ifdef TARGET_NR_set_robust_list
6838 case TARGET_NR_set_robust_list:
6839 goto unimplemented_nowarn;
6840#endif
6841
9007f0ef
TS		 6842#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
6843 case TARGET_NR_utimensat:
6844 {
ebc996f3
RV		 6845 struct timespec *tsp, ts[2];
6846 if (!arg3) {
6847 tsp = NULL;
6848 } else {
6849 target_to_host_timespec(ts, arg3);
6850 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
6851 tsp = ts;
6852 }
9007f0ef 6853 if (!arg2)
ebc996f3 6854 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 6855 else {
579a97f7 6856 if (!(p = lock_user_string(arg2))) {
0da46a6e 6857 ret = -TARGET_EFAULT;
579a97f7
FB		 6858 goto fail;
6859 }
ebc996f3 6860 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 6861 unlock_user(p, arg2, 0);
9007f0ef
TS		 6862 }
6863 }
6864 break;
6865#endif
2f7bb878 6866#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 6867 case TARGET_NR_futex:
6868 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
6869 break;
6870#endif
dbfe4c36 6871#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 6872 case TARGET_NR_inotify_init:
6873 ret = get_errno(sys_inotify_init());
6874 break;
6875#endif
dbfe4c36 6876#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 6877 case TARGET_NR_inotify_add_watch:
6878 p = lock_user_string(arg2);
6879 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
6880 unlock_user(p, arg2, 0);
6881 break;
6882#endif
dbfe4c36 6883#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 6884 case TARGET_NR_inotify_rm_watch:
6885 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
6886 break;
6887#endif
9007f0ef 6888
8ec9cf89 6889#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 6890 case TARGET_NR_mq_open:
6891 {
6892 struct mq_attr posix_mq_attr;
6893
6894 p = lock_user_string(arg1 - 1);
6895 if (arg4 != 0)
6896 copy_from_user_mq_attr (&posix_mq_attr, arg4);
6897 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
6898 unlock_user (p, arg1, 0);
6899 }
6900 break;
6901
6902 case TARGET_NR_mq_unlink:
6903 p = lock_user_string(arg1 - 1);
6904 ret = get_errno(mq_unlink(p));
6905 unlock_user (p, arg1, 0);
6906 break;
6907
6908 case TARGET_NR_mq_timedsend:
6909 {
6910 struct timespec ts;
6911
6912 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6913 if (arg5 != 0) {
6914 target_to_host_timespec(&ts, arg5);
6915 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
6916 host_to_target_timespec(arg5, &ts);
6917 }
6918 else
6919 ret = get_errno(mq_send(arg1, p, arg3, arg4));
6920 unlock_user (p, arg2, arg3);
6921 }
6922 break;
6923
6924 case TARGET_NR_mq_timedreceive:
6925 {
6926 struct timespec ts;
6927 unsigned int prio;
6928
6929 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6930 if (arg5 != 0) {
6931 target_to_host_timespec(&ts, arg5);
6932 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
6933 host_to_target_timespec(arg5, &ts);
6934 }
6935 else
6936 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
6937 unlock_user (p, arg2, arg3);
6938 if (arg4 != 0)
6939 put_user_u32(prio, arg4);
6940 }
6941 break;
6942
6943 /* Not implemented for now... */
6944/* case TARGET_NR_mq_notify: */
6945/* break; */
6946
6947 case TARGET_NR_mq_getsetattr:
6948 {
6949 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
6950 ret = 0;
6951 if (arg3 != 0) {
6952 ret = mq_getattr(arg1, &posix_mq_attr_out);
6953 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
6954 }
6955 if (arg2 != 0) {
6956 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
6957 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
6958 }
6959
6960 }
6961 break;
6962#endif
6963
3ce34dfb 6964#ifdef CONFIG_SPLICE
6965#ifdef TARGET_NR_tee
6966 case TARGET_NR_tee:
6967 {
6968 ret = get_errno(tee(arg1,arg2,arg3,arg4));
6969 }
6970 break;
6971#endif
6972#ifdef TARGET_NR_splice
6973 case TARGET_NR_splice:
6974 {
6975 loff_t loff_in, loff_out;
6976 loff_t *ploff_in = NULL, *ploff_out = NULL;
6977 if(arg2) {
6978 get_user_u64(loff_in, arg2);
6979 ploff_in = &loff_in;
6980 }
6981 if(arg4) {
6982 get_user_u64(loff_out, arg2);
6983 ploff_out = &loff_out;
6984 }
6985 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
6986 }
6987 break;
6988#endif
6989#ifdef TARGET_NR_vmsplice
6990 case TARGET_NR_vmsplice:
6991 {
6992 int count = arg3;
6993 struct iovec *vec;
6994
6995 vec = alloca(count * sizeof(struct iovec));
6996 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6997 goto efault;
6998 ret = get_errno(vmsplice(arg1, vec, count, arg4));
6999 unlock_iovec(vec, arg2, count, 0);
7000 }
7001 break;
7002#endif
7003#endif /* CONFIG_SPLICE */
c2882b96
RV		 7004#ifdef CONFIG_EVENTFD
7005#if defined(TARGET_NR_eventfd)
7006 case TARGET_NR_eventfd:
7007 ret = get_errno(eventfd(arg1, 0));
7008 break;
7009#endif
7010#if defined(TARGET_NR_eventfd2)
7011 case TARGET_NR_eventfd2:
7012 ret = get_errno(eventfd(arg1, arg2));
7013 break;
7014#endif
7015#endif /* CONFIG_EVENTFD */
31e31b8a
FB		 7016 default:
7017 unimplemented:
5cd4393b 7018 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 7019#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 7020 unimplemented_nowarn:
80a9d035 7021#endif
0da46a6e 7022 ret = -TARGET_ENOSYS;
31e31b8a
FB		 7023 break;
7024 }
579a97f7 7025fail:
c573ff67 7026#ifdef DEBUG
0bf9e31a 7027 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 7028#endif
b92c47c1
TS		 7029 if(do_strace)
7030 print_syscall_ret(num, ret);
31e31b8a 7031 return ret;
579a97f7
FB		 7032efault:
7033 ret = -TARGET_EFAULT;
7034 goto fail;
31e31b8a 7035}
Qemu copy for testing