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linux-user: fcntl fixes for LTP
[qemu.git] / linux-user / syscall.c
CommitLineData
31e31b8a
FB		 1/*
2 * Linux syscalls
5fafdf24 3 *
31e31b8a
FB		 4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
8167ee88 17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
31e31b8a 18 */
d5b3a9b6 19#define _ATFILE_SOURCE
31e31b8a
FB		 20#include <stdlib.h>
21#include <stdio.h>
22#include <stdarg.h>
04369ff2 23#include <string.h>
31e31b8a
FB		 24#include <elf.h>
25#include <endian.h>
26#include <errno.h>
27#include <unistd.h>
28#include <fcntl.h>
7854b056 29#include <time.h>
82e671d9 30#include <limits.h>
31e31b8a 31#include <sys/types.h>
d08d3bb8
TS		 32#include <sys/ipc.h>
33#include <sys/msg.h>
31e31b8a
FB		 34#include <sys/wait.h>
35#include <sys/time.h>
36#include <sys/stat.h>
37#include <sys/mount.h>
39b9aae1 38#include <sys/prctl.h>
31e31b8a
FB		 39#include <sys/resource.h>
40#include <sys/mman.h>
41#include <sys/swap.h>
42#include <signal.h>
43#include <sched.h>
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
AJ		 199#if TARGET_ABI_BITS == 32
200_syscall3(int, sys_getdents, uint, fd, struct linux_dirent *, dirp, uint, count);
201#endif
202#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
203_syscall3(int, sys_getdents64, uint, fd, struct linux_dirent64 *, dirp, uint, count);
204#endif
205_syscall2(int, sys_getpriority, int, which, int, who);
909b69cf 206#if defined(TARGET_NR__llseek) && !defined (__x86_64__)
3b3f24ad
AJ		 207_syscall5(int, _llseek, uint, fd, ulong, hi, ulong, lo,
208 loff_t *, res, uint, wh);
209#endif
210_syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)
211_syscall3(int,sys_syslog,int,type,char*,bufp,int,len)
212#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
213_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)
214#endif
215#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
216_syscall2(int,sys_tkill,int,tid,int,sig)
217#endif
218#ifdef __NR_exit_group
219_syscall1(int,exit_group,int,error_code)
220#endif
221#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
222_syscall1(int,set_tid_address,int *,tidptr)
223#endif
2f7bb878 224#if defined(CONFIG_USE_NPTL)
3b3f24ad
AJ		 225#if defined(TARGET_NR_futex) && defined(__NR_futex)
226_syscall6(int,sys_futex,int *,uaddr,int,op,int,val,
227 const struct timespec *,timeout,int *,uaddr2,int,val3)
228#endif
229#endif
230
231static bitmask_transtbl fcntl_flags_tbl[] = {
232 { TARGET_O_ACCMODE, TARGET_O_WRONLY, O_ACCMODE, O_WRONLY, },
233 { TARGET_O_ACCMODE, TARGET_O_RDWR, O_ACCMODE, O_RDWR, },
234 { TARGET_O_CREAT, TARGET_O_CREAT, O_CREAT, O_CREAT, },
235 { TARGET_O_EXCL, TARGET_O_EXCL, O_EXCL, O_EXCL, },
236 { TARGET_O_NOCTTY, TARGET_O_NOCTTY, O_NOCTTY, O_NOCTTY, },
237 { TARGET_O_TRUNC, TARGET_O_TRUNC, O_TRUNC, O_TRUNC, },
238 { TARGET_O_APPEND, TARGET_O_APPEND, O_APPEND, O_APPEND, },
239 { TARGET_O_NONBLOCK, TARGET_O_NONBLOCK, O_NONBLOCK, O_NONBLOCK, },
240 { TARGET_O_SYNC, TARGET_O_SYNC, O_SYNC, O_SYNC, },
241 { TARGET_FASYNC, TARGET_FASYNC, FASYNC, FASYNC, },
242 { TARGET_O_DIRECTORY, TARGET_O_DIRECTORY, O_DIRECTORY, O_DIRECTORY, },
243 { TARGET_O_NOFOLLOW, TARGET_O_NOFOLLOW, O_NOFOLLOW, O_NOFOLLOW, },
244 { TARGET_O_LARGEFILE, TARGET_O_LARGEFILE, O_LARGEFILE, O_LARGEFILE, },
245#if defined(O_DIRECT)
246 { TARGET_O_DIRECT, TARGET_O_DIRECT, O_DIRECT, O_DIRECT, },
247#endif
248 { 0, 0, 0, 0 }
249};
250
251#define COPY_UTSNAME_FIELD(dest, src) \
252 do { \
253 /* __NEW_UTS_LEN doesn't include terminating null */ \
254 (void) strncpy((dest), (src), __NEW_UTS_LEN); \
255 (dest)[__NEW_UTS_LEN] = '\0'; \
256 } while (0)
257
258static int sys_uname(struct new_utsname *buf)
259{
260 struct utsname uts_buf;
261
262 if (uname(&uts_buf) < 0)
263 return (-1);
264
265 /*
266 * Just in case these have some differences, we
267 * translate utsname to new_utsname (which is the
268 * struct linux kernel uses).
269 */
270
271 bzero(buf, sizeof (*buf));
272 COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
273 COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
274 COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
275 COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
276 COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
277#ifdef _GNU_SOURCE
278 COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
279#endif
280 return (0);
281
282#undef COPY_UTSNAME_FIELD
283}
284
285static int sys_getcwd1(char *buf, size_t size)
286{
287 if (getcwd(buf, size) == NULL) {
288 /* getcwd() sets errno */
289 return (-1);
290 }
aaf4ad39 291 return strlen(buf)+1;
3b3f24ad
AJ		 292}
293
294#ifdef CONFIG_ATFILE
295/*
296 * Host system seems to have atfile syscall stubs available. We
297 * now enable them one by one as specified by target syscall_nr.h.
298 */
299
300#ifdef TARGET_NR_faccessat
465c9f06 301static int sys_faccessat(int dirfd, const char *pathname, int mode)
3b3f24ad 302{
465c9f06 303 return (faccessat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 304}
305#endif
306#ifdef TARGET_NR_fchmodat
465c9f06 307static int sys_fchmodat(int dirfd, const char *pathname, mode_t mode)
3b3f24ad 308{
465c9f06 309 return (fchmodat(dirfd, pathname, mode, 0));
3b3f24ad
AJ		 310}
311#endif
fda33744 312#if defined(TARGET_NR_fchownat) && defined(USE_UID16)
3b3f24ad
AJ		 313static int sys_fchownat(int dirfd, const char *pathname, uid_t owner,
314 gid_t group, int flags)
315{
316 return (fchownat(dirfd, pathname, owner, group, flags));
317}
318#endif
319#ifdef __NR_fstatat64
320static int sys_fstatat64(int dirfd, const char *pathname, struct stat *buf,
321 int flags)
322{
323 return (fstatat(dirfd, pathname, buf, flags));
324}
325#endif
326#ifdef __NR_newfstatat
327static int sys_newfstatat(int dirfd, const char *pathname, struct stat *buf,
328 int flags)
329{
330 return (fstatat(dirfd, pathname, buf, flags));
331}
332#endif
333#ifdef TARGET_NR_futimesat
334static int sys_futimesat(int dirfd, const char *pathname,
335 const struct timeval times[2])
336{
337 return (futimesat(dirfd, pathname, times));
338}
339#endif
340#ifdef TARGET_NR_linkat
341static int sys_linkat(int olddirfd, const char *oldpath,
342 int newdirfd, const char *newpath, int flags)
343{
344 return (linkat(olddirfd, oldpath, newdirfd, newpath, flags));
345}
346#endif
347#ifdef TARGET_NR_mkdirat
348static int sys_mkdirat(int dirfd, const char *pathname, mode_t mode)
349{
350 return (mkdirat(dirfd, pathname, mode));
351}
352#endif
353#ifdef TARGET_NR_mknodat
354static int sys_mknodat(int dirfd, const char *pathname, mode_t mode,
355 dev_t dev)
356{
357 return (mknodat(dirfd, pathname, mode, dev));
358}
359#endif
360#ifdef TARGET_NR_openat
361static int sys_openat(int dirfd, const char *pathname, int flags, ...)
362{
363 /*
364 * open(2) has extra parameter 'mode' when called with
365 * flag O_CREAT.
366 */
367 if ((flags & O_CREAT) != 0) {
368 va_list ap;
369 mode_t mode;
370
371 /*
372 * Get the 'mode' parameter and translate it to
373 * host bits.
374 */
375 va_start(ap, flags);
376 mode = va_arg(ap, mode_t);
377 mode = target_to_host_bitmask(mode, fcntl_flags_tbl);
378 va_end(ap);
379
380 return (openat(dirfd, pathname, flags, mode));
381 }
382 return (openat(dirfd, pathname, flags));
383}
384#endif
385#ifdef TARGET_NR_readlinkat
386static int sys_readlinkat(int dirfd, const char *pathname, char *buf, size_t bufsiz)
387{
388 return (readlinkat(dirfd, pathname, buf, bufsiz));
389}
390#endif
391#ifdef TARGET_NR_renameat
392static int sys_renameat(int olddirfd, const char *oldpath,
393 int newdirfd, const char *newpath)
394{
395 return (renameat(olddirfd, oldpath, newdirfd, newpath));
396}
397#endif
398#ifdef TARGET_NR_symlinkat
399static int sys_symlinkat(const char *oldpath, int newdirfd, const char *newpath)
400{
401 return (symlinkat(oldpath, newdirfd, newpath));
402}
403#endif
404#ifdef TARGET_NR_unlinkat
405static int sys_unlinkat(int dirfd, const char *pathname, int flags)
406{
407 return (unlinkat(dirfd, pathname, flags));
408}
409#endif
3b3f24ad
AJ		 410#else /* !CONFIG_ATFILE */
411
412/*
413 * Try direct syscalls instead
414 */
92a34c10 415#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
465c9f06 416_syscall3(int,sys_faccessat,int,dirfd,const char *,pathname,int,mode)
92a34c10 417#endif
814d7977 418#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
465c9f06 419_syscall3(int,sys_fchmodat,int,dirfd,const char *,pathname, mode_t,mode)
814d7977 420#endif
4583f589 421#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat) && defined(USE_UID16)
ccfa72b7
TS		 422_syscall5(int,sys_fchownat,int,dirfd,const char *,pathname,
423 uid_t,owner,gid_t,group,int,flags)
424#endif
9d33b76b
AJ		 425#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
426 defined(__NR_fstatat64)
6a24a778
AZ		 427_syscall4(int,sys_fstatat64,int,dirfd,const char *,pathname,
428 struct stat *,buf,int,flags)
429#endif
ac8a6556
AZ		 430#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
431_syscall3(int,sys_futimesat,int,dirfd,const char *,pathname,
432 const struct timeval *,times)
433#endif
3b3f24ad
AJ		 434#if (defined(TARGET_NR_newfstatat) || defined(TARGET_NR_fstatat64) ) && \
435 defined(__NR_newfstatat)
436_syscall4(int,sys_newfstatat,int,dirfd,const char *,pathname,
437 struct stat *,buf,int,flags)
8fcd3692 438#endif
64f0ce4c
TS		 439#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
440_syscall5(int,sys_linkat,int,olddirfd,const char *,oldpath,
3b3f24ad 441 int,newdirfd,const char *,newpath,int,flags)
64f0ce4c 442#endif
4472ad0d
TS		 443#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
444_syscall3(int,sys_mkdirat,int,dirfd,const char *,pathname,mode_t,mode)
445#endif
75ac37a0
TS		 446#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
447_syscall4(int,sys_mknodat,int,dirfd,const char *,pathname,
448 mode_t,mode,dev_t,dev)
449#endif
82424832
TS		 450#if defined(TARGET_NR_openat) && defined(__NR_openat)
451_syscall4(int,sys_openat,int,dirfd,const char *,pathname,int,flags,mode_t,mode)
452#endif
5e0ccb18
TS		 453#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
454_syscall4(int,sys_readlinkat,int,dirfd,const char *,pathname,
455 char *,buf,size_t,bufsize)
456#endif
722183f6
TS		 457#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
458_syscall4(int,sys_renameat,int,olddirfd,const char *,oldpath,
459 int,newdirfd,const char *,newpath)
460#endif
b51eaa82 461#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
f0b6243d
TS		 462_syscall3(int,sys_symlinkat,const char *,oldpath,
463 int,newdirfd,const char *,newpath)
464#endif
8170f56b
TS		 465#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
466_syscall3(int,sys_unlinkat,int,dirfd,const char *,pathname,int,flags)
467#endif
ebc996f3
RV		 468
469#endif /* CONFIG_ATFILE */
470
471#ifdef CONFIG_UTIMENSAT
472static int sys_utimensat(int dirfd, const char *pathname,
473 const struct timespec times[2], int flags)
474{
475 if (pathname == NULL)
476 return futimens(dirfd, times);
477 else
478 return utimensat(dirfd, pathname, times, flags);
479}
480#else
9007f0ef
TS		 481#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
482_syscall4(int,sys_utimensat,int,dirfd,const char *,pathname,
483 const struct timespec *,tsp,int,flags)
484#endif
ebc996f3 485#endif /* CONFIG_UTIMENSAT */
3b3f24ad
AJ		 486
487#ifdef CONFIG_INOTIFY
8690e420 488#include <sys/inotify.h>
3b3f24ad 489
39b59763 490#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
3b3f24ad
AJ		 491static int sys_inotify_init(void)
492{
493 return (inotify_init());
494}
39b59763
AJ		 495#endif
496#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
3b3f24ad
AJ		 497static int sys_inotify_add_watch(int fd,const char *pathname, int32_t mask)
498{
499 return (inotify_add_watch(fd, pathname, mask));
500}
39b59763
AJ		 501#endif
502#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
3b3f24ad
AJ		 503static int sys_inotify_rm_watch(int fd, int32_t wd)
504{
8690e420 505 return (inotify_rm_watch(fd, wd));
3b3f24ad 506}
bd0c5661 507#endif
3b3f24ad
AJ		 508#else
509/* Userspace can usually survive runtime without inotify */
510#undef TARGET_NR_inotify_init
511#undef TARGET_NR_inotify_add_watch
512#undef TARGET_NR_inotify_rm_watch
513#endif /* CONFIG_INOTIFY */
514
66fb9763
FB		 515
516extern int personality(int);
9de5e440
FB		 517extern int flock(int, int);
518extern int setfsuid(int);
519extern int setfsgid(int);
19b84f3c 520extern int setgroups(int, gid_t *);
31e31b8a 521
b92c47c1
TS		 522#define ERRNO_TABLE_SIZE 1200
523
524/* target_to_host_errno_table[] is initialized from
525 * host_to_target_errno_table[] in syscall_init(). */
526static uint16_t target_to_host_errno_table[ERRNO_TABLE_SIZE] = {
527};
528
637947f1 529/*
fe8f096b 530 * This list is the union of errno values overridden in asm-<arch>/errno.h
637947f1
TS		 531 * minus the errnos that are not actually generic to all archs.
532 */
b92c47c1 533static uint16_t host_to_target_errno_table[ERRNO_TABLE_SIZE] = {
637947f1
TS		 534 [EIDRM] = TARGET_EIDRM,
535 [ECHRNG] = TARGET_ECHRNG,
536 [EL2NSYNC] = TARGET_EL2NSYNC,
537 [EL3HLT] = TARGET_EL3HLT,
538 [EL3RST] = TARGET_EL3RST,
539 [ELNRNG] = TARGET_ELNRNG,
540 [EUNATCH] = TARGET_EUNATCH,
541 [ENOCSI] = TARGET_ENOCSI,
542 [EL2HLT] = TARGET_EL2HLT,
543 [EDEADLK] = TARGET_EDEADLK,
544 [ENOLCK] = TARGET_ENOLCK,
545 [EBADE] = TARGET_EBADE,
546 [EBADR] = TARGET_EBADR,
547 [EXFULL] = TARGET_EXFULL,
548 [ENOANO] = TARGET_ENOANO,
549 [EBADRQC] = TARGET_EBADRQC,
550 [EBADSLT] = TARGET_EBADSLT,
551 [EBFONT] = TARGET_EBFONT,
552 [ENOSTR] = TARGET_ENOSTR,
553 [ENODATA] = TARGET_ENODATA,
554 [ETIME] = TARGET_ETIME,
555 [ENOSR] = TARGET_ENOSR,
556 [ENONET] = TARGET_ENONET,
557 [ENOPKG] = TARGET_ENOPKG,
558 [EREMOTE] = TARGET_EREMOTE,
559 [ENOLINK] = TARGET_ENOLINK,
560 [EADV] = TARGET_EADV,
561 [ESRMNT] = TARGET_ESRMNT,
562 [ECOMM] = TARGET_ECOMM,
563 [EPROTO] = TARGET_EPROTO,
564 [EDOTDOT] = TARGET_EDOTDOT,
565 [EMULTIHOP] = TARGET_EMULTIHOP,
566 [EBADMSG] = TARGET_EBADMSG,
567 [ENAMETOOLONG] = TARGET_ENAMETOOLONG,
568 [EOVERFLOW] = TARGET_EOVERFLOW,
569 [ENOTUNIQ] = TARGET_ENOTUNIQ,
570 [EBADFD] = TARGET_EBADFD,
571 [EREMCHG] = TARGET_EREMCHG,
572 [ELIBACC] = TARGET_ELIBACC,
573 [ELIBBAD] = TARGET_ELIBBAD,
574 [ELIBSCN] = TARGET_ELIBSCN,
575 [ELIBMAX] = TARGET_ELIBMAX,
576 [ELIBEXEC] = TARGET_ELIBEXEC,
577 [EILSEQ] = TARGET_EILSEQ,
578 [ENOSYS] = TARGET_ENOSYS,
579 [ELOOP] = TARGET_ELOOP,
580 [ERESTART] = TARGET_ERESTART,
581 [ESTRPIPE] = TARGET_ESTRPIPE,
582 [ENOTEMPTY] = TARGET_ENOTEMPTY,
583 [EUSERS] = TARGET_EUSERS,
584 [ENOTSOCK] = TARGET_ENOTSOCK,
585 [EDESTADDRREQ] = TARGET_EDESTADDRREQ,
586 [EMSGSIZE] = TARGET_EMSGSIZE,
587 [EPROTOTYPE] = TARGET_EPROTOTYPE,
588 [ENOPROTOOPT] = TARGET_ENOPROTOOPT,
589 [EPROTONOSUPPORT] = TARGET_EPROTONOSUPPORT,
590 [ESOCKTNOSUPPORT] = TARGET_ESOCKTNOSUPPORT,
591 [EOPNOTSUPP] = TARGET_EOPNOTSUPP,
592 [EPFNOSUPPORT] = TARGET_EPFNOSUPPORT,
593 [EAFNOSUPPORT] = TARGET_EAFNOSUPPORT,
594 [EADDRINUSE] = TARGET_EADDRINUSE,
595 [EADDRNOTAVAIL] = TARGET_EADDRNOTAVAIL,
596 [ENETDOWN] = TARGET_ENETDOWN,
597 [ENETUNREACH] = TARGET_ENETUNREACH,
598 [ENETRESET] = TARGET_ENETRESET,
599 [ECONNABORTED] = TARGET_ECONNABORTED,
600 [ECONNRESET] = TARGET_ECONNRESET,
601 [ENOBUFS] = TARGET_ENOBUFS,
602 [EISCONN] = TARGET_EISCONN,
603 [ENOTCONN] = TARGET_ENOTCONN,
604 [EUCLEAN] = TARGET_EUCLEAN,
605 [ENOTNAM] = TARGET_ENOTNAM,
606 [ENAVAIL] = TARGET_ENAVAIL,
607 [EISNAM] = TARGET_EISNAM,
608 [EREMOTEIO] = TARGET_EREMOTEIO,
609 [ESHUTDOWN] = TARGET_ESHUTDOWN,
610 [ETOOMANYREFS] = TARGET_ETOOMANYREFS,
611 [ETIMEDOUT] = TARGET_ETIMEDOUT,
612 [ECONNREFUSED] = TARGET_ECONNREFUSED,
613 [EHOSTDOWN] = TARGET_EHOSTDOWN,
614 [EHOSTUNREACH] = TARGET_EHOSTUNREACH,
615 [EALREADY] = TARGET_EALREADY,
616 [EINPROGRESS] = TARGET_EINPROGRESS,
617 [ESTALE] = TARGET_ESTALE,
618 [ECANCELED] = TARGET_ECANCELED,
619 [ENOMEDIUM] = TARGET_ENOMEDIUM,
620 [EMEDIUMTYPE] = TARGET_EMEDIUMTYPE,
b7fe5db7 621#ifdef ENOKEY
637947f1 622 [ENOKEY] = TARGET_ENOKEY,
b7fe5db7
TS		 623#endif
624#ifdef EKEYEXPIRED
637947f1 625 [EKEYEXPIRED] = TARGET_EKEYEXPIRED,
b7fe5db7
TS		 626#endif
627#ifdef EKEYREVOKED
637947f1 628 [EKEYREVOKED] = TARGET_EKEYREVOKED,
b7fe5db7
TS		 629#endif
630#ifdef EKEYREJECTED
637947f1 631 [EKEYREJECTED] = TARGET_EKEYREJECTED,
b7fe5db7
TS		 632#endif
633#ifdef EOWNERDEAD
637947f1 634 [EOWNERDEAD] = TARGET_EOWNERDEAD,
b7fe5db7
TS		 635#endif
636#ifdef ENOTRECOVERABLE
637947f1 637 [ENOTRECOVERABLE] = TARGET_ENOTRECOVERABLE,
b7fe5db7 638#endif
b92c47c1 639};
637947f1
TS		 640
641static inline int host_to_target_errno(int err)
642{
643 if(host_to_target_errno_table[err])
644 return host_to_target_errno_table[err];
645 return err;
646}
647
b92c47c1
TS		 648static inline int target_to_host_errno(int err)
649{
650 if (target_to_host_errno_table[err])
651 return target_to_host_errno_table[err];
652 return err;
653}
654
992f48a0 655static inline abi_long get_errno(abi_long ret)
31e31b8a
FB		 656{
657 if (ret == -1)
637947f1 658 return -host_to_target_errno(errno);
31e31b8a
FB		 659 else
660 return ret;
661}
662
992f48a0 663static inline int is_error(abi_long ret)
31e31b8a 664{
992f48a0 665 return (abi_ulong)ret >= (abi_ulong)(-4096);
31e31b8a
FB		 666}
667
b92c47c1
TS		 668char *target_strerror(int err)
669{
670 return strerror(target_to_host_errno(err));
671}
672
992f48a0
BS		 673static abi_ulong target_brk;
674static abi_ulong target_original_brk;
31e31b8a 675
992f48a0 676void target_set_brk(abi_ulong new_brk)
31e31b8a 677{
4c1de73d 678 target_original_brk = target_brk = HOST_PAGE_ALIGN(new_brk);
31e31b8a
FB		 679}
680
0da46a6e 681/* do_brk() must return target values and target errnos. */
992f48a0 682abi_long do_brk(abi_ulong new_brk)
31e31b8a 683{
992f48a0
BS		 684 abi_ulong brk_page;
685 abi_long mapped_addr;
31e31b8a
FB		 686 int new_alloc_size;
687
688 if (!new_brk)
53a5960a 689 return target_brk;
31e31b8a 690 if (new_brk < target_original_brk)
7ab240ad 691 return target_brk;
3b46e624 692
53a5960a 693 brk_page = HOST_PAGE_ALIGN(target_brk);
31e31b8a
FB		 694
695 /* If the new brk is less than this, set it and we're done... */
696 if (new_brk < brk_page) {
697 target_brk = new_brk;
53a5960a 698 return target_brk;
31e31b8a
FB		 699 }
700
701 /* We need to allocate more memory after the brk... */
54936004 702 new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
5fafdf24 703 mapped_addr = get_errno(target_mmap(brk_page, new_alloc_size,
54936004
FB		 704 PROT_READ|PROT_WRITE,
705 MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
7ab240ad
AZ		 706
707 if (!is_error(mapped_addr))
31e31b8a 708 target_brk = new_brk;
7ab240ad
AZ		 709
710 return target_brk;
31e31b8a
FB		 711}
712
26edcf41
TS		 713static inline abi_long copy_from_user_fdset(fd_set *fds,
714 abi_ulong target_fds_addr,
715 int n)
31e31b8a 716{
26edcf41
TS		 717 int i, nw, j, k;
718 abi_ulong b, *target_fds;
719
720 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
721 if (!(target_fds = lock_user(VERIFY_READ,
722 target_fds_addr,
723 sizeof(abi_ulong) * nw,
724 1)))
725 return -TARGET_EFAULT;
726
727 FD_ZERO(fds);
728 k = 0;
729 for (i = 0; i < nw; i++) {
730 /* grab the abi_ulong */
731 __get_user(b, &target_fds[i]);
732 for (j = 0; j < TARGET_ABI_BITS; j++) {
733 /* check the bit inside the abi_ulong */
734 if ((b >> j) & 1)
735 FD_SET(k, fds);
736 k++;
31e31b8a 737 }
31e31b8a 738 }
26edcf41
TS		 739
740 unlock_user(target_fds, target_fds_addr, 0);
741
742 return 0;
31e31b8a
FB		 743}
744
26edcf41
TS		 745static inline abi_long copy_to_user_fdset(abi_ulong target_fds_addr,
746 const fd_set *fds,
747 int n)
31e31b8a 748{
31e31b8a 749 int i, nw, j, k;
992f48a0 750 abi_long v;
26edcf41 751 abi_ulong *target_fds;
31e31b8a 752
26edcf41
TS		 753 nw = (n + TARGET_ABI_BITS - 1) / TARGET_ABI_BITS;
754 if (!(target_fds = lock_user(VERIFY_WRITE,
755 target_fds_addr,
756 sizeof(abi_ulong) * nw,
757 0)))
758 return -TARGET_EFAULT;
759
760 k = 0;
761 for (i = 0; i < nw; i++) {
762 v = 0;
763 for (j = 0; j < TARGET_ABI_BITS; j++) {
764 v |= ((FD_ISSET(k, fds) != 0) << j);
765 k++;
31e31b8a 766 }
26edcf41 767 __put_user(v, &target_fds[i]);
31e31b8a 768 }
26edcf41
TS		 769
770 unlock_user(target_fds, target_fds_addr, sizeof(abi_ulong) * nw);
771
772 return 0;
31e31b8a
FB		 773}
774
c596ed17
FB		 775#if defined(__alpha__)
776#define HOST_HZ 1024
777#else
778#define HOST_HZ 100
779#endif
780
992f48a0 781static inline abi_long host_to_target_clock_t(long ticks)
c596ed17
FB		 782{
783#if HOST_HZ == TARGET_HZ
784 return ticks;
785#else
786 return ((int64_t)ticks * TARGET_HZ) / HOST_HZ;
787#endif
788}
789
579a97f7
FB		 790static inline abi_long host_to_target_rusage(abi_ulong target_addr,
791 const struct rusage *rusage)
b409186b 792{
53a5960a
PB		 793 struct target_rusage *target_rusage;
794
579a97f7
FB		 795 if (!lock_user_struct(VERIFY_WRITE, target_rusage, target_addr, 0))
796 return -TARGET_EFAULT;
b409186b
FB		 797 target_rusage->ru_utime.tv_sec = tswapl(rusage->ru_utime.tv_sec);
798 target_rusage->ru_utime.tv_usec = tswapl(rusage->ru_utime.tv_usec);
799 target_rusage->ru_stime.tv_sec = tswapl(rusage->ru_stime.tv_sec);
800 target_rusage->ru_stime.tv_usec = tswapl(rusage->ru_stime.tv_usec);
801 target_rusage->ru_maxrss = tswapl(rusage->ru_maxrss);
802 target_rusage->ru_ixrss = tswapl(rusage->ru_ixrss);
803 target_rusage->ru_idrss = tswapl(rusage->ru_idrss);
804 target_rusage->ru_isrss = tswapl(rusage->ru_isrss);
805 target_rusage->ru_minflt = tswapl(rusage->ru_minflt);
806 target_rusage->ru_majflt = tswapl(rusage->ru_majflt);
807 target_rusage->ru_nswap = tswapl(rusage->ru_nswap);
808 target_rusage->ru_inblock = tswapl(rusage->ru_inblock);
809 target_rusage->ru_oublock = tswapl(rusage->ru_oublock);
810 target_rusage->ru_msgsnd = tswapl(rusage->ru_msgsnd);
811 target_rusage->ru_msgrcv = tswapl(rusage->ru_msgrcv);
812 target_rusage->ru_nsignals = tswapl(rusage->ru_nsignals);
813 target_rusage->ru_nvcsw = tswapl(rusage->ru_nvcsw);
814 target_rusage->ru_nivcsw = tswapl(rusage->ru_nivcsw);
53a5960a 815 unlock_user_struct(target_rusage, target_addr, 1);
579a97f7
FB		 816
817 return 0;
b409186b
FB		 818}
819
788f5ec4
TS		 820static inline abi_long copy_from_user_timeval(struct timeval *tv,
821 abi_ulong target_tv_addr)
31e31b8a 822{
53a5960a
PB		 823 struct target_timeval *target_tv;
824
788f5ec4 825 if (!lock_user_struct(VERIFY_READ, target_tv, target_tv_addr, 1))
579a97f7 826 return -TARGET_EFAULT;
788f5ec4
TS		 827
828 __get_user(tv->tv_sec, &target_tv->tv_sec);
829 __get_user(tv->tv_usec, &target_tv->tv_usec);
830
831 unlock_user_struct(target_tv, target_tv_addr, 0);
579a97f7
FB		 832
833 return 0;
31e31b8a
FB		 834}
835
788f5ec4
TS		 836static inline abi_long copy_to_user_timeval(abi_ulong target_tv_addr,
837 const struct timeval *tv)
31e31b8a 838{
53a5960a
PB		 839 struct target_timeval *target_tv;
840
788f5ec4 841 if (!lock_user_struct(VERIFY_WRITE, target_tv, target_tv_addr, 0))
579a97f7 842 return -TARGET_EFAULT;
788f5ec4
TS		 843
844 __put_user(tv->tv_sec, &target_tv->tv_sec);
845 __put_user(tv->tv_usec, &target_tv->tv_usec);
846
847 unlock_user_struct(target_tv, target_tv_addr, 1);
579a97f7
FB		 848
849 return 0;
31e31b8a
FB		 850}
851
8ec9cf89
NF		 852#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
853#include <mqueue.h>
854
24e1003a
AJ		 855static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
856 abi_ulong target_mq_attr_addr)
857{
858 struct target_mq_attr *target_mq_attr;
859
860 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
861 target_mq_attr_addr, 1))
862 return -TARGET_EFAULT;
863
864 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
865 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
866 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
867 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
868
869 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
870
871 return 0;
872}
873
874static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
875 const struct mq_attr *attr)
876{
877 struct target_mq_attr *target_mq_attr;
878
879 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
880 target_mq_attr_addr, 0))
881 return -TARGET_EFAULT;
882
883 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
884 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
885 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
886 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
887
888 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
889
890 return 0;
891}
8ec9cf89 892#endif
31e31b8a 893
0da46a6e 894/* do_select() must return target values and target errnos. */
992f48a0 895static abi_long do_select(int n,
26edcf41
TS		 896 abi_ulong rfd_addr, abi_ulong wfd_addr,
897 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 898{
899 fd_set rfds, wfds, efds;
900 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
901 struct timeval tv, *tv_ptr;
992f48a0 902 abi_long ret;
31e31b8a 903
26edcf41
TS		 904 if (rfd_addr) {
905 if (copy_from_user_fdset(&rfds, rfd_addr, n))
906 return -TARGET_EFAULT;
907 rfds_ptr = &rfds;
53a5960a 908 } else {
53a5960a
PB		 909 rfds_ptr = NULL;
910 }
26edcf41
TS		 911 if (wfd_addr) {
912 if (copy_from_user_fdset(&wfds, wfd_addr, n))
913 return -TARGET_EFAULT;
914 wfds_ptr = &wfds;
53a5960a 915 } else {
53a5960a
PB		 916 wfds_ptr = NULL;
917 }
26edcf41
TS		 918 if (efd_addr) {
919 if (copy_from_user_fdset(&efds, efd_addr, n))
920 return -TARGET_EFAULT;
921 efds_ptr = &efds;
53a5960a 922 } else {
53a5960a
PB		 923 efds_ptr = NULL;
924 }
3b46e624 925
26edcf41 926 if (target_tv_addr) {
788f5ec4
TS		 927 if (copy_from_user_timeval(&tv, target_tv_addr))
928 return -TARGET_EFAULT;
31e31b8a
FB		 929 tv_ptr = &tv;
930 } else {
931 tv_ptr = NULL;
932 }
26edcf41 933
31e31b8a 934 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 935
26edcf41
TS		 936 if (!is_error(ret)) {
937 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
938 return -TARGET_EFAULT;
939 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
940 return -TARGET_EFAULT;
941 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
942 return -TARGET_EFAULT;
31e31b8a 943
788f5ec4
TS		 944 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
945 return -TARGET_EFAULT;
31e31b8a 946 }
579a97f7 947
31e31b8a
FB		 948 return ret;
949}
950
099d6b0f
RV		 951static abi_long do_pipe2(int host_pipe[], int flags)
952{
953#ifdef CONFIG_PIPE2
954 return pipe2(host_pipe, flags);
955#else
956 return -ENOSYS;
957#endif
958}
959
784ccfdb 960static abi_long do_pipe(void *cpu_env, abi_ulong pipedes, int flags)
099d6b0f
RV		 961{
962 int host_pipe[2];
963 abi_long ret;
964 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
965
966 if (is_error(ret))
967 return get_errno(ret);
968#if defined(TARGET_MIPS)
969 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
970 ret = host_pipe[0];
971#elif defined(TARGET_SH4)
972 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
973 ret = host_pipe[0];
974#else
975 if (put_user_s32(host_pipe[0], pipedes)
976 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
977 return -TARGET_EFAULT;
978#endif
979 return get_errno(ret);
980}
981
b975b83b
LL		 982static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
983 abi_ulong target_addr,
984 socklen_t len)
985{
986 struct target_ip_mreqn *target_smreqn;
987
988 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
989 if (!target_smreqn)
990 return -TARGET_EFAULT;
991 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
992 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
993 if (len == sizeof(struct target_ip_mreqn))
994 mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
995 unlock_user(target_smreqn, target_addr, 0);
996
997 return 0;
998}
999
579a97f7
FB		 1000static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
1001 abi_ulong target_addr,
1002 socklen_t len)
7854b056 1003{
607175e0
AJ		 1004 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1005 sa_family_t sa_family;
53a5960a
PB		 1006 struct target_sockaddr *target_saddr;
1007
579a97f7
FB		 1008 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1009 if (!target_saddr)
1010 return -TARGET_EFAULT;
607175e0
AJ		 1011
1012 sa_family = tswap16(target_saddr->sa_family);
1013
1014 /* Oops. The caller might send a incomplete sun_path; sun_path
1015 * must be terminated by \0 (see the manual page), but
1016 * unfortunately it is quite common to specify sockaddr_un
1017 * length as "strlen(x->sun_path)" while it should be
1018 * "strlen(...) + 1". We'll fix that here if needed.
1019 * Linux kernel has a similar feature.
1020 */
1021
1022 if (sa_family == AF_UNIX) {
1023 if (len < unix_maxlen && len > 0) {
1024 char *cp = (char*)target_saddr;
1025
1026 if ( cp[len-1] && !cp[len] )
1027 len++;
1028 }
1029 if (len > unix_maxlen)
1030 len = unix_maxlen;
1031 }
1032
53a5960a 1033 memcpy(addr, target_saddr, len);
607175e0 1034 addr->sa_family = sa_family;
53a5960a 1035 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1036
1037 return 0;
7854b056
FB		 1038}
1039
579a97f7
FB		 1040static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1041 struct sockaddr *addr,
1042 socklen_t len)
7854b056 1043{
53a5960a
PB		 1044 struct target_sockaddr *target_saddr;
1045
579a97f7
FB		 1046 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1047 if (!target_saddr)
1048 return -TARGET_EFAULT;
53a5960a
PB		 1049 memcpy(target_saddr, addr, len);
1050 target_saddr->sa_family = tswap16(addr->sa_family);
1051 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1052
1053 return 0;
7854b056
FB		 1054}
1055
53a5960a 1056/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1057static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1058 struct target_msghdr *target_msgh)
7854b056
FB		 1059{
1060 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1061 abi_long msg_controllen;
1062 abi_ulong target_cmsg_addr;
1063 struct target_cmsghdr *target_cmsg;
7854b056 1064 socklen_t space = 0;
5a4a898d
FB		 1065
1066 msg_controllen = tswapl(target_msgh->msg_controllen);
1067 if (msg_controllen < sizeof (struct target_cmsghdr))
1068 goto the_end;
1069 target_cmsg_addr = tswapl(target_msgh->msg_control);
1070 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1071 if (!target_cmsg)
1072 return -TARGET_EFAULT;
7854b056
FB		 1073
1074 while (cmsg && target_cmsg) {
1075 void *data = CMSG_DATA(cmsg);
1076 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1077
5fafdf24 1078 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 1079 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1080
1081 space += CMSG_SPACE(len);
1082 if (space > msgh->msg_controllen) {
1083 space -= CMSG_SPACE(len);
31febb71 1084 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1085 break;
1086 }
1087
1088 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1089 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1090 cmsg->cmsg_len = CMSG_LEN(len);
1091
3532fa74 1092 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1093 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1094 memcpy(data, target_data, len);
1095 } else {
1096 int *fd = (int *)data;
1097 int *target_fd = (int *)target_data;
1098 int i, numfds = len / sizeof(int);
1099
1100 for (i = 0; i < numfds; i++)
1101 fd[i] = tswap32(target_fd[i]);
1102 }
1103
1104 cmsg = CMSG_NXTHDR(msgh, cmsg);
1105 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1106 }
5a4a898d
FB		 1107 unlock_user(target_cmsg, target_cmsg_addr, 0);
1108 the_end:
7854b056 1109 msgh->msg_controllen = space;
5a4a898d 1110 return 0;
7854b056
FB		 1111}
1112
53a5960a 1113/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1114static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1115 struct msghdr *msgh)
7854b056
FB		 1116{
1117 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1118 abi_long msg_controllen;
1119 abi_ulong target_cmsg_addr;
1120 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1121 socklen_t space = 0;
1122
5a4a898d
FB		 1123 msg_controllen = tswapl(target_msgh->msg_controllen);
1124 if (msg_controllen < sizeof (struct target_cmsghdr))
1125 goto the_end;
1126 target_cmsg_addr = tswapl(target_msgh->msg_control);
1127 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1128 if (!target_cmsg)
1129 return -TARGET_EFAULT;
1130
7854b056
FB		 1131 while (cmsg && target_cmsg) {
1132 void *data = CMSG_DATA(cmsg);
1133 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1134
1135 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1136
1137 space += TARGET_CMSG_SPACE(len);
5a4a898d 1138 if (space > msg_controllen) {
7854b056 1139 space -= TARGET_CMSG_SPACE(len);
31febb71 1140 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1141 break;
1142 }
1143
1144 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1145 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1146 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1147
3532fa74 1148 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1149 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1150 memcpy(target_data, data, len);
1151 } else {
1152 int *fd = (int *)data;
1153 int *target_fd = (int *)target_data;
1154 int i, numfds = len / sizeof(int);
1155
1156 for (i = 0; i < numfds; i++)
1157 target_fd[i] = tswap32(fd[i]);
1158 }
1159
1160 cmsg = CMSG_NXTHDR(msgh, cmsg);
1161 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1162 }
5a4a898d
FB		 1163 unlock_user(target_cmsg, target_cmsg_addr, space);
1164 the_end:
1165 target_msgh->msg_controllen = tswapl(space);
1166 return 0;
7854b056
FB		 1167}
1168
0da46a6e 1169/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1170static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1171 abi_ulong optval_addr, socklen_t optlen)
7854b056 1172{
992f48a0 1173 abi_long ret;
32407103 1174 int val;
b975b83b 1175 struct ip_mreqn *ip_mreq;
6e3cb58f 1176 struct ip_mreq_source *ip_mreq_source;
3b46e624 1177
8853f86e
FB		 1178 switch(level) {
1179 case SOL_TCP:
7854b056 1180 /* TCP options all take an 'int' value. */
7854b056 1181 if (optlen < sizeof(uint32_t))
0da46a6e 1182 return -TARGET_EINVAL;
3b46e624 1183
2f619698
FB		 1184 if (get_user_u32(val, optval_addr))
1185 return -TARGET_EFAULT;
8853f86e
FB		 1186 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1187 break;
1188 case SOL_IP:
1189 switch(optname) {
2efbe911
FB		 1190 case IP_TOS:
1191 case IP_TTL:
8853f86e 1192 case IP_HDRINCL:
2efbe911
FB		 1193 case IP_ROUTER_ALERT:
1194 case IP_RECVOPTS:
1195 case IP_RETOPTS:
1196 case IP_PKTINFO:
1197 case IP_MTU_DISCOVER:
1198 case IP_RECVERR:
1199 case IP_RECVTOS:
1200#ifdef IP_FREEBIND
1201 case IP_FREEBIND:
1202#endif
1203 case IP_MULTICAST_TTL:
1204 case IP_MULTICAST_LOOP:
8853f86e
FB		 1205 val = 0;
1206 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1207 if (get_user_u32(val, optval_addr))
1208 return -TARGET_EFAULT;
8853f86e 1209 } else if (optlen >= 1) {
2f619698
FB		 1210 if (get_user_u8(val, optval_addr))
1211 return -TARGET_EFAULT;
8853f86e
FB		 1212 }
1213 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1214 break;
b975b83b
LL		 1215 case IP_ADD_MEMBERSHIP:
1216 case IP_DROP_MEMBERSHIP:
1217 if (optlen < sizeof (struct target_ip_mreq) ||
1218 optlen > sizeof (struct target_ip_mreqn))
1219 return -TARGET_EINVAL;
1220
1221 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1222 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1223 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1224 break;
1225
6e3cb58f
LL		 1226 case IP_BLOCK_SOURCE:
1227 case IP_UNBLOCK_SOURCE:
1228 case IP_ADD_SOURCE_MEMBERSHIP:
1229 case IP_DROP_SOURCE_MEMBERSHIP:
1230 if (optlen != sizeof (struct target_ip_mreq_source))
1231 return -TARGET_EINVAL;
1232
1233 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1234 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1235 unlock_user (ip_mreq_source, optval_addr, 0);
1236 break;
1237
8853f86e
FB		 1238 default:
1239 goto unimplemented;
1240 }
1241 break;
3532fa74 1242 case TARGET_SOL_SOCKET:
8853f86e
FB		 1243 switch (optname) {
1244 /* Options with 'int' argument. */
3532fa74
FB		 1245 case TARGET_SO_DEBUG:
1246 optname = SO_DEBUG;
1247 break;
1248 case TARGET_SO_REUSEADDR:
1249 optname = SO_REUSEADDR;
1250 break;
1251 case TARGET_SO_TYPE:
1252 optname = SO_TYPE;
1253 break;
1254 case TARGET_SO_ERROR:
1255 optname = SO_ERROR;
1256 break;
1257 case TARGET_SO_DONTROUTE:
1258 optname = SO_DONTROUTE;
1259 break;
1260 case TARGET_SO_BROADCAST:
1261 optname = SO_BROADCAST;
1262 break;
1263 case TARGET_SO_SNDBUF:
1264 optname = SO_SNDBUF;
1265 break;
1266 case TARGET_SO_RCVBUF:
1267 optname = SO_RCVBUF;
1268 break;
1269 case TARGET_SO_KEEPALIVE:
1270 optname = SO_KEEPALIVE;
1271 break;
1272 case TARGET_SO_OOBINLINE:
1273 optname = SO_OOBINLINE;
1274 break;
1275 case TARGET_SO_NO_CHECK:
1276 optname = SO_NO_CHECK;
1277 break;
1278 case TARGET_SO_PRIORITY:
1279 optname = SO_PRIORITY;
1280 break;
5e83e8e3 1281#ifdef SO_BSDCOMPAT
3532fa74
FB		 1282 case TARGET_SO_BSDCOMPAT:
1283 optname = SO_BSDCOMPAT;
1284 break;
5e83e8e3 1285#endif
3532fa74
FB		 1286 case TARGET_SO_PASSCRED:
1287 optname = SO_PASSCRED;
1288 break;
1289 case TARGET_SO_TIMESTAMP:
1290 optname = SO_TIMESTAMP;
1291 break;
1292 case TARGET_SO_RCVLOWAT:
1293 optname = SO_RCVLOWAT;
1294 break;
1295 case TARGET_SO_RCVTIMEO:
1296 optname = SO_RCVTIMEO;
1297 break;
1298 case TARGET_SO_SNDTIMEO:
1299 optname = SO_SNDTIMEO;
1300 break;
8853f86e
FB		 1301 break;
1302 default:
1303 goto unimplemented;
1304 }
3532fa74 1305 if (optlen < sizeof(uint32_t))
2f619698 1306 return -TARGET_EINVAL;
3532fa74 1307
2f619698
FB		 1308 if (get_user_u32(val, optval_addr))
1309 return -TARGET_EFAULT;
3532fa74 1310 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1311 break;
7854b056 1312 default:
8853f86e
FB		 1313 unimplemented:
1314 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
6fa13c17 1315 ret = -TARGET_ENOPROTOOPT;
7854b056 1316 }
8853f86e 1317 return ret;
7854b056
FB		 1318}
1319
0da46a6e 1320/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1321static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1322 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1323{
992f48a0 1324 abi_long ret;
b55266b5
BS		 1325 int len, val;
1326 socklen_t lv;
8853f86e
FB		 1327
1328 switch(level) {
3532fa74
FB		 1329 case TARGET_SOL_SOCKET:
1330 level = SOL_SOCKET;
8853f86e 1331 switch (optname) {
3532fa74
FB		 1332 case TARGET_SO_LINGER:
1333 case TARGET_SO_RCVTIMEO:
1334 case TARGET_SO_SNDTIMEO:
1335 case TARGET_SO_PEERCRED:
1336 case TARGET_SO_PEERNAME:
8853f86e
FB		 1337 /* These don't just return a single integer */
1338 goto unimplemented;
1339 default:
2efbe911
FB		 1340 goto int_case;
1341 }
1342 break;
1343 case SOL_TCP:
1344 /* TCP options all take an 'int' value. */
1345 int_case:
2f619698
FB		 1346 if (get_user_u32(len, optlen))
1347 return -TARGET_EFAULT;
2efbe911 1348 if (len < 0)
0da46a6e 1349 return -TARGET_EINVAL;
2efbe911
FB		 1350 lv = sizeof(int);
1351 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1352 if (ret < 0)
1353 return ret;
2efbe911
FB		 1354 if (len > lv)
1355 len = lv;
2f619698
FB		 1356 if (len == 4) {
1357 if (put_user_u32(val, optval_addr))
1358 return -TARGET_EFAULT;
1359 } else {
1360 if (put_user_u8(val, optval_addr))
1361 return -TARGET_EFAULT;
1362 }
1363 if (put_user_u32(len, optlen))
1364 return -TARGET_EFAULT;
2efbe911
FB		 1365 break;
1366 case SOL_IP:
1367 switch(optname) {
1368 case IP_TOS:
1369 case IP_TTL:
1370 case IP_HDRINCL:
1371 case IP_ROUTER_ALERT:
1372 case IP_RECVOPTS:
1373 case IP_RETOPTS:
1374 case IP_PKTINFO:
1375 case IP_MTU_DISCOVER:
1376 case IP_RECVERR:
1377 case IP_RECVTOS:
1378#ifdef IP_FREEBIND
1379 case IP_FREEBIND:
1380#endif
1381 case IP_MULTICAST_TTL:
1382 case IP_MULTICAST_LOOP:
2f619698
FB		 1383 if (get_user_u32(len, optlen))
1384 return -TARGET_EFAULT;
8853f86e 1385 if (len < 0)
0da46a6e 1386 return -TARGET_EINVAL;
8853f86e
FB		 1387 lv = sizeof(int);
1388 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1389 if (ret < 0)
1390 return ret;
2efbe911 1391 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1392 len = 1;
2f619698
FB		 1393 if (put_user_u32(len, optlen)
1394 || put_user_u8(val, optval_addr))
1395 return -TARGET_EFAULT;
2efbe911 1396 } else {
2efbe911
FB		 1397 if (len > sizeof(int))
1398 len = sizeof(int);
2f619698
FB		 1399 if (put_user_u32(len, optlen)
1400 || put_user_u32(val, optval_addr))
1401 return -TARGET_EFAULT;
2efbe911 1402 }
8853f86e 1403 break;
2efbe911 1404 default:
c02f499e
TS		 1405 ret = -TARGET_ENOPROTOOPT;
1406 break;
8853f86e
FB		 1407 }
1408 break;
1409 default:
1410 unimplemented:
1411 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1412 level, optname);
c02f499e 1413 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1414 break;
1415 }
1416 return ret;
7854b056
FB		 1417}
1418
579a97f7
FB		 1419/* FIXME
1420 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1421 * other lock functions have a return code of 0 for failure.
1422 */
1423static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1424 int count, int copy)
53a5960a
PB		 1425{
1426 struct target_iovec *target_vec;
992f48a0 1427 abi_ulong base;
d732dcb4 1428 int i;
53a5960a 1429
579a97f7
FB		 1430 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1431 if (!target_vec)
1432 return -TARGET_EFAULT;
53a5960a
PB		 1433 for(i = 0;i < count; i++) {
1434 base = tswapl(target_vec[i].iov_base);
1435 vec[i].iov_len = tswapl(target_vec[i].iov_len);
41df8411
FB		 1436 if (vec[i].iov_len != 0) {
1437 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1438 /* Don't check lock_user return value. We must call writev even
1439 if a element has invalid base address. */
41df8411
FB		 1440 } else {
1441 /* zero length pointer is ignored */
1442 vec[i].iov_base = NULL;
1443 }
579a97f7
FB		 1444 }
1445 unlock_user (target_vec, target_addr, 0);
1446 return 0;
53a5960a
PB		 1447}
1448
579a97f7
FB		 1449static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1450 int count, int copy)
53a5960a
PB		 1451{
1452 struct target_iovec *target_vec;
992f48a0 1453 abi_ulong base;
53a5960a
PB		 1454 int i;
1455
579a97f7
FB		 1456 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1457 if (!target_vec)
1458 return -TARGET_EFAULT;
53a5960a 1459 for(i = 0;i < count; i++) {
d732dcb4
AZ		 1460 if (target_vec[i].iov_base) {
1461 base = tswapl(target_vec[i].iov_base);
1462 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1463 }
53a5960a
PB		 1464 }
1465 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1466
1467 return 0;
53a5960a
PB		 1468}
1469
0da46a6e 1470/* do_socket() Must return target values and target errnos. */
992f48a0 1471static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1472{
1473#if defined(TARGET_MIPS)
1474 switch(type) {
1475 case TARGET_SOCK_DGRAM:
1476 type = SOCK_DGRAM;
1477 break;
1478 case TARGET_SOCK_STREAM:
1479 type = SOCK_STREAM;
1480 break;
1481 case TARGET_SOCK_RAW:
1482 type = SOCK_RAW;
1483 break;
1484 case TARGET_SOCK_RDM:
1485 type = SOCK_RDM;
1486 break;
1487 case TARGET_SOCK_SEQPACKET:
1488 type = SOCK_SEQPACKET;
1489 break;
1490 case TARGET_SOCK_PACKET:
1491 type = SOCK_PACKET;
1492 break;
1493 }
1494#endif
12bc92ab
AZ		 1495 if (domain == PF_NETLINK)
1496 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1497 return get_errno(socket(domain, type, protocol));
1498}
1499
0da46a6e 1500/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1501static abi_long do_bind(int sockfd, abi_ulong target_addr,
1502 socklen_t addrlen)
3532fa74 1503{
8f7aeaf6 1504 void *addr;
917507b0 1505 abi_long ret;
8f7aeaf6 1506
be09ac41 1507 if (addrlen < 0)
8f7aeaf6
AJ		 1508 return -TARGET_EINVAL;
1509
607175e0 1510 addr = alloca(addrlen+1);
3b46e624 1511
917507b0
AP		 1512 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1513 if (ret)
1514 return ret;
1515
3532fa74
FB		 1516 return get_errno(bind(sockfd, addr, addrlen));
1517}
1518
0da46a6e 1519/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1520static abi_long do_connect(int sockfd, abi_ulong target_addr,
1521 socklen_t addrlen)
3532fa74 1522{
8f7aeaf6 1523 void *addr;
917507b0 1524 abi_long ret;
8f7aeaf6 1525
be09ac41 1526 if (addrlen < 0)
8f7aeaf6
AJ		 1527 return -TARGET_EINVAL;
1528
1529 addr = alloca(addrlen);
3b46e624 1530
917507b0
AP		 1531 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1532 if (ret)
1533 return ret;
1534
3532fa74
FB		 1535 return get_errno(connect(sockfd, addr, addrlen));
1536}
1537
0da46a6e 1538/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1539static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1540 int flags, int send)
3532fa74 1541{
6de645c7 1542 abi_long ret, len;
3532fa74
FB		 1543 struct target_msghdr *msgp;
1544 struct msghdr msg;
1545 int count;
1546 struct iovec *vec;
992f48a0 1547 abi_ulong target_vec;
3532fa74 1548
579a97f7
FB		 1549 /* FIXME */
1550 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1551 msgp,
1552 target_msg,
1553 send ? 1 : 0))
1554 return -TARGET_EFAULT;
3532fa74
FB		 1555 if (msgp->msg_name) {
1556 msg.msg_namelen = tswap32(msgp->msg_namelen);
1557 msg.msg_name = alloca(msg.msg_namelen);
917507b0 1558 ret = target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
3532fa74 1559 msg.msg_namelen);
917507b0
AP		 1560 if (ret) {
1561 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
1562 return ret;
1563 }
3532fa74
FB		 1564 } else {
1565 msg.msg_name = NULL;
1566 msg.msg_namelen = 0;
1567 }
1568 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1569 msg.msg_control = alloca(msg.msg_controllen);
1570 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1571
3532fa74
FB		 1572 count = tswapl(msgp->msg_iovlen);
1573 vec = alloca(count * sizeof(struct iovec));
1574 target_vec = tswapl(msgp->msg_iov);
579a97f7 1575 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1576 msg.msg_iovlen = count;
1577 msg.msg_iov = vec;
3b46e624 1578
3532fa74 1579 if (send) {
5a4a898d
FB		 1580 ret = target_to_host_cmsg(&msg, msgp);
1581 if (ret == 0)
1582 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1583 } else {
1584 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1585 if (!is_error(ret)) {
1586 len = ret;
5a4a898d 1587 ret = host_to_target_cmsg(msgp, &msg);
6de645c7
AZ		 1588 if (!is_error(ret))
1589 ret = len;
1590 }
3532fa74
FB		 1591 }
1592 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1593 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1594 return ret;
1595}
1596
0da46a6e 1597/* do_accept() Must return target values and target errnos. */
992f48a0 1598static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1599 abi_ulong target_addrlen_addr)
1be9e1dc 1600{
2f619698
FB		 1601 socklen_t addrlen;
1602 void *addr;
992f48a0 1603 abi_long ret;
1be9e1dc 1604
917507b0
AP		 1605 if (target_addr == 0)
1606 return get_errno(accept(fd, NULL, NULL));
1607
1608 /* linux returns EINVAL if addrlen pointer is invalid */
2f619698 1609 if (get_user_u32(addrlen, target_addrlen_addr))
917507b0 1610 return -TARGET_EINVAL;
2f619698 1611
be09ac41 1612 if (addrlen < 0)
8f7aeaf6
AJ		 1613 return -TARGET_EINVAL;
1614
917507b0
AP		 1615 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1616 return -TARGET_EINVAL;
1617
2f619698
FB		 1618 addr = alloca(addrlen);
1619
1be9e1dc
PB		 1620 ret = get_errno(accept(fd, addr, &addrlen));
1621 if (!is_error(ret)) {
1622 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1623 if (put_user_u32(addrlen, target_addrlen_addr))
1624 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1625 }
1626 return ret;
1627}
1628
0da46a6e 1629/* do_getpeername() Must return target values and target errnos. */
992f48a0 1630static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1631 abi_ulong target_addrlen_addr)
1be9e1dc 1632{
2f619698
FB		 1633 socklen_t addrlen;
1634 void *addr;
992f48a0 1635 abi_long ret;
1be9e1dc 1636
2f619698
FB		 1637 if (get_user_u32(addrlen, target_addrlen_addr))
1638 return -TARGET_EFAULT;
1639
be09ac41 1640 if (addrlen < 0)
8f7aeaf6
AJ		 1641 return -TARGET_EINVAL;
1642
917507b0
AP		 1643 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1644 return -TARGET_EFAULT;
1645
2f619698
FB		 1646 addr = alloca(addrlen);
1647
1be9e1dc
PB		 1648 ret = get_errno(getpeername(fd, addr, &addrlen));
1649 if (!is_error(ret)) {
1650 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1651 if (put_user_u32(addrlen, target_addrlen_addr))
1652 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1653 }
1654 return ret;
1655}
1656
0da46a6e 1657/* do_getsockname() Must return target values and target errnos. */
992f48a0 1658static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1659 abi_ulong target_addrlen_addr)
1be9e1dc 1660{
2f619698
FB		 1661 socklen_t addrlen;
1662 void *addr;
992f48a0 1663 abi_long ret;
1be9e1dc 1664
2f619698
FB		 1665 if (get_user_u32(addrlen, target_addrlen_addr))
1666 return -TARGET_EFAULT;
1667
be09ac41 1668 if (addrlen < 0)
8f7aeaf6
AJ		 1669 return -TARGET_EINVAL;
1670
917507b0
AP		 1671 if (!access_ok(VERIFY_WRITE, target_addr, addrlen))
1672 return -TARGET_EFAULT;
1673
2f619698
FB		 1674 addr = alloca(addrlen);
1675
1be9e1dc
PB		 1676 ret = get_errno(getsockname(fd, addr, &addrlen));
1677 if (!is_error(ret)) {
1678 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1679 if (put_user_u32(addrlen, target_addrlen_addr))
1680 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1681 }
1682 return ret;
1683}
1684
0da46a6e 1685/* do_socketpair() Must return target values and target errnos. */
992f48a0 1686static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1687 abi_ulong target_tab_addr)
1be9e1dc
PB		 1688{
1689 int tab[2];
992f48a0 1690 abi_long ret;
1be9e1dc
PB		 1691
1692 ret = get_errno(socketpair(domain, type, protocol, tab));
1693 if (!is_error(ret)) {
2f619698
FB		 1694 if (put_user_s32(tab[0], target_tab_addr)
1695 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1696 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1697 }
1698 return ret;
1699}
1700
0da46a6e 1701/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1702static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1703 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1704{
1705 void *addr;
1706 void *host_msg;
992f48a0 1707 abi_long ret;
1be9e1dc 1708
be09ac41 1709 if (addrlen < 0)
8f7aeaf6
AJ		 1710 return -TARGET_EINVAL;
1711
579a97f7
FB		 1712 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1713 if (!host_msg)
1714 return -TARGET_EFAULT;
1be9e1dc
PB		 1715 if (target_addr) {
1716 addr = alloca(addrlen);
917507b0
AP		 1717 ret = target_to_host_sockaddr(addr, target_addr, addrlen);
1718 if (ret) {
1719 unlock_user(host_msg, msg, 0);
1720 return ret;
1721 }
1be9e1dc
PB		 1722 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1723 } else {
1724 ret = get_errno(send(fd, host_msg, len, flags));
1725 }
1726 unlock_user(host_msg, msg, 0);
1727 return ret;
1728}
1729
0da46a6e 1730/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 1731static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1732 abi_ulong target_addr,
1733 abi_ulong target_addrlen)
1be9e1dc
PB		 1734{
1735 socklen_t addrlen;
1736 void *addr;
1737 void *host_msg;
992f48a0 1738 abi_long ret;
1be9e1dc 1739
579a97f7
FB		 1740 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1741 if (!host_msg)
1742 return -TARGET_EFAULT;
1be9e1dc 1743 if (target_addr) {
2f619698
FB		 1744 if (get_user_u32(addrlen, target_addrlen)) {
1745 ret = -TARGET_EFAULT;
1746 goto fail;
1747 }
be09ac41 1748 if (addrlen < 0) {
8f7aeaf6
AJ		 1749 ret = -TARGET_EINVAL;
1750 goto fail;
1751 }
1be9e1dc
PB		 1752 addr = alloca(addrlen);
1753 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1754 } else {
1755 addr = NULL; /* To keep compiler quiet. */
1756 ret = get_errno(recv(fd, host_msg, len, flags));
1757 }
1758 if (!is_error(ret)) {
1759 if (target_addr) {
1760 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1761 if (put_user_u32(addrlen, target_addrlen)) {
1762 ret = -TARGET_EFAULT;
1763 goto fail;
1764 }
1be9e1dc
PB		 1765 }
1766 unlock_user(host_msg, msg, len);
1767 } else {
2f619698 1768fail:
1be9e1dc
PB		 1769 unlock_user(host_msg, msg, 0);
1770 }
1771 return ret;
1772}
1773
32407103 1774#ifdef TARGET_NR_socketcall
0da46a6e 1775/* do_socketcall() Must return target values and target errnos. */
992f48a0 1776static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 1777{
992f48a0
BS		 1778 abi_long ret;
1779 const int n = sizeof(abi_ulong);
31e31b8a
FB		 1780
1781 switch(num) {
1782 case SOCKOP_socket:
7854b056 1783 {
98818189 1784 abi_ulong domain, type, protocol;
2f619698 1785
98818189
UH		 1786 if (get_user_ual(domain, vptr)
1787 || get_user_ual(type, vptr + n)
1788 || get_user_ual(protocol, vptr + 2 * n))
2f619698
FB		 1789 return -TARGET_EFAULT;
1790
3532fa74 1791 ret = do_socket(domain, type, protocol);
7854b056 1792 }
31e31b8a
FB		 1793 break;
1794 case SOCKOP_bind:
7854b056 1795 {
98818189 1796 abi_ulong sockfd;
2f619698
FB		 1797 abi_ulong target_addr;
1798 socklen_t addrlen;
1799
98818189 1800 if (get_user_ual(sockfd, vptr)
2f619698 1801 || get_user_ual(target_addr, vptr + n)
98818189 1802 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1803 return -TARGET_EFAULT;
1804
3532fa74 1805 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1806 }
31e31b8a
FB		 1807 break;
1808 case SOCKOP_connect:
7854b056 1809 {
98818189 1810 abi_ulong sockfd;
2f619698
FB		 1811 abi_ulong target_addr;
1812 socklen_t addrlen;
1813
98818189 1814 if (get_user_ual(sockfd, vptr)
2f619698 1815 || get_user_ual(target_addr, vptr + n)
98818189 1816 || get_user_ual(addrlen, vptr + 2 * n))
2f619698
FB		 1817 return -TARGET_EFAULT;
1818
3532fa74 1819 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1820 }
31e31b8a
FB		 1821 break;
1822 case SOCKOP_listen:
7854b056 1823 {
98818189 1824 abi_ulong sockfd, backlog;
2f619698 1825
98818189
UH		 1826 if (get_user_ual(sockfd, vptr)
1827 || get_user_ual(backlog, vptr + n))
2f619698
FB		 1828 return -TARGET_EFAULT;
1829
7854b056
FB		 1830 ret = get_errno(listen(sockfd, backlog));
1831 }
31e31b8a
FB		 1832 break;
1833 case SOCKOP_accept:
1834 {
98818189 1835 abi_ulong sockfd;
2f619698
FB		 1836 abi_ulong target_addr, target_addrlen;
1837
98818189 1838 if (get_user_ual(sockfd, vptr)
2f619698 1839 || get_user_ual(target_addr, vptr + n)
98818189 1840 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1841 return -TARGET_EFAULT;
1842
1be9e1dc 1843 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1844 }
1845 break;
1846 case SOCKOP_getsockname:
1847 {
98818189 1848 abi_ulong sockfd;
2f619698
FB		 1849 abi_ulong target_addr, target_addrlen;
1850
98818189 1851 if (get_user_ual(sockfd, vptr)
2f619698 1852 || get_user_ual(target_addr, vptr + n)
98818189 1853 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1854 return -TARGET_EFAULT;
1855
1be9e1dc 1856 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1857 }
1858 break;
1859 case SOCKOP_getpeername:
1860 {
98818189 1861 abi_ulong sockfd;
2f619698
FB		 1862 abi_ulong target_addr, target_addrlen;
1863
98818189 1864 if (get_user_ual(sockfd, vptr)
2f619698 1865 || get_user_ual(target_addr, vptr + n)
98818189 1866 || get_user_ual(target_addrlen, vptr + 2 * n))
2f619698
FB		 1867 return -TARGET_EFAULT;
1868
1be9e1dc 1869 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1870 }
1871 break;
1872 case SOCKOP_socketpair:
1873 {
98818189 1874 abi_ulong domain, type, protocol;
2f619698
FB		 1875 abi_ulong tab;
1876
98818189
UH		 1877 if (get_user_ual(domain, vptr)
1878 || get_user_ual(type, vptr + n)
1879 || get_user_ual(protocol, vptr + 2 * n)
2f619698
FB		 1880 || get_user_ual(tab, vptr + 3 * n))
1881 return -TARGET_EFAULT;
1882
1be9e1dc 1883 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1884 }
1885 break;
1886 case SOCKOP_send:
7854b056 1887 {
98818189 1888 abi_ulong sockfd;
2f619698
FB		 1889 abi_ulong msg;
1890 size_t len;
98818189 1891 abi_ulong flags;
2f619698 1892
98818189 1893 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1894 || get_user_ual(msg, vptr + n)
1895 || get_user_ual(len, vptr + 2 * n)
98818189 1896 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 1897 return -TARGET_EFAULT;
1898
1be9e1dc 1899 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1900 }
31e31b8a
FB		 1901 break;
1902 case SOCKOP_recv:
7854b056 1903 {
98818189 1904 abi_ulong sockfd;
2f619698
FB		 1905 abi_ulong msg;
1906 size_t len;
98818189 1907 abi_ulong flags;
2f619698 1908
98818189 1909 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1910 || get_user_ual(msg, vptr + n)
1911 || get_user_ual(len, vptr + 2 * n)
98818189 1912 || get_user_ual(flags, vptr + 3 * n))
2f619698
FB		 1913 return -TARGET_EFAULT;
1914
1be9e1dc 1915 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1916 }
31e31b8a
FB		 1917 break;
1918 case SOCKOP_sendto:
7854b056 1919 {
98818189 1920 abi_ulong sockfd;
2f619698
FB		 1921 abi_ulong msg;
1922 size_t len;
98818189 1923 abi_ulong flags;
2f619698
FB		 1924 abi_ulong addr;
1925 socklen_t addrlen;
1926
98818189 1927 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1928 || get_user_ual(msg, vptr + n)
1929 || get_user_ual(len, vptr + 2 * n)
98818189 1930 || get_user_ual(flags, vptr + 3 * n)
2f619698 1931 || get_user_ual(addr, vptr + 4 * n)
98818189 1932 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 1933 return -TARGET_EFAULT;
1934
1be9e1dc 1935 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1936 }
31e31b8a
FB		 1937 break;
1938 case SOCKOP_recvfrom:
1939 {
98818189 1940 abi_ulong sockfd;
2f619698
FB		 1941 abi_ulong msg;
1942 size_t len;
98818189 1943 abi_ulong flags;
2f619698
FB		 1944 abi_ulong addr;
1945 socklen_t addrlen;
1946
98818189 1947 if (get_user_ual(sockfd, vptr)
2f619698
FB		 1948 || get_user_ual(msg, vptr + n)
1949 || get_user_ual(len, vptr + 2 * n)
98818189 1950 || get_user_ual(flags, vptr + 3 * n)
2f619698 1951 || get_user_ual(addr, vptr + 4 * n)
98818189 1952 || get_user_ual(addrlen, vptr + 5 * n))
2f619698
FB		 1953 return -TARGET_EFAULT;
1954
1be9e1dc 1955 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1956 }
1957 break;
1958 case SOCKOP_shutdown:
7854b056 1959 {
98818189 1960 abi_ulong sockfd, how;
2f619698 1961
98818189
UH		 1962 if (get_user_ual(sockfd, vptr)
1963 || get_user_ual(how, vptr + n))
2f619698 1964 return -TARGET_EFAULT;
7854b056
FB		 1965
1966 ret = get_errno(shutdown(sockfd, how));
1967 }
31e31b8a
FB		 1968 break;
1969 case SOCKOP_sendmsg:
1970 case SOCKOP_recvmsg:
1a9353d2 1971 {
98818189 1972 abi_ulong fd;
992f48a0 1973 abi_ulong target_msg;
98818189 1974 abi_ulong flags;
1a9353d2 1975
98818189 1976 if (get_user_ual(fd, vptr)
2f619698 1977 || get_user_ual(target_msg, vptr + n)
98818189 1978 || get_user_ual(flags, vptr + 2 * n))
2f619698 1979 return -TARGET_EFAULT;
3532fa74 1980
5fafdf24 1981 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 1982 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1983 }
1984 break;
31e31b8a 1985 case SOCKOP_setsockopt:
7854b056 1986 {
98818189
UH		 1987 abi_ulong sockfd;
1988 abi_ulong level;
1989 abi_ulong optname;
2f619698
FB		 1990 abi_ulong optval;
1991 socklen_t optlen;
1992
98818189
UH		 1993 if (get_user_ual(sockfd, vptr)
1994 || get_user_ual(level, vptr + n)
1995 || get_user_ual(optname, vptr + 2 * n)
2f619698 1996 || get_user_ual(optval, vptr + 3 * n)
98818189 1997 || get_user_ual(optlen, vptr + 4 * n))
2f619698 1998 return -TARGET_EFAULT;
7854b056
FB		 1999
2000 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
2001 }
2002 break;
31e31b8a 2003 case SOCKOP_getsockopt:
7854b056 2004 {
98818189
UH		 2005 abi_ulong sockfd;
2006 abi_ulong level;
2007 abi_ulong optname;
2f619698
FB		 2008 abi_ulong optval;
2009 socklen_t optlen;
2010
98818189
UH		 2011 if (get_user_ual(sockfd, vptr)
2012 || get_user_ual(level, vptr + n)
2013 || get_user_ual(optname, vptr + 2 * n)
2f619698 2014 || get_user_ual(optval, vptr + 3 * n)
98818189 2015 || get_user_ual(optlen, vptr + 4 * n))
2f619698 2016 return -TARGET_EFAULT;
7854b056 2017
2f619698 2018 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 2019 }
2020 break;
31e31b8a
FB		 2021 default:
2022 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 2023 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2024 break;
2025 }
2026 return ret;
2027}
32407103 2028#endif
31e31b8a 2029
8853f86e
FB		 2030#define N_SHM_REGIONS 32
2031
2032static struct shm_region {
5a4a898d
FB		 2033 abi_ulong start;
2034 abi_ulong size;
8853f86e
FB		 2035} shm_regions[N_SHM_REGIONS];
2036
3eb6b044
TS		 2037struct target_ipc_perm
2038{
992f48a0
BS		 2039 abi_long __key;
2040 abi_ulong uid;
2041 abi_ulong gid;
2042 abi_ulong cuid;
2043 abi_ulong cgid;
3eb6b044
TS		 2044 unsigned short int mode;
2045 unsigned short int __pad1;
2046 unsigned short int __seq;
2047 unsigned short int __pad2;
992f48a0
BS		 2048 abi_ulong __unused1;
2049 abi_ulong __unused2;
3eb6b044
TS		 2050};
2051
2052struct target_semid_ds
2053{
2054 struct target_ipc_perm sem_perm;
992f48a0
BS		 2055 abi_ulong sem_otime;
2056 abi_ulong __unused1;
2057 abi_ulong sem_ctime;
2058 abi_ulong __unused2;
2059 abi_ulong sem_nsems;
2060 abi_ulong __unused3;
2061 abi_ulong __unused4;
3eb6b044
TS		 2062};
2063
579a97f7
FB		 2064static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2065 abi_ulong target_addr)
3eb6b044
TS		 2066{
2067 struct target_ipc_perm *target_ip;
2068 struct target_semid_ds *target_sd;
2069
579a97f7
FB		 2070 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2071 return -TARGET_EFAULT;
3eb6b044
TS		 2072 target_ip=&(target_sd->sem_perm);
2073 host_ip->__key = tswapl(target_ip->__key);
2074 host_ip->uid = tswapl(target_ip->uid);
2075 host_ip->gid = tswapl(target_ip->gid);
2076 host_ip->cuid = tswapl(target_ip->cuid);
2077 host_ip->cgid = tswapl(target_ip->cgid);
2078 host_ip->mode = tswapl(target_ip->mode);
2079 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2080 return 0;
3eb6b044
TS		 2081}
2082
579a97f7
FB		 2083static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2084 struct ipc_perm *host_ip)
3eb6b044
TS		 2085{
2086 struct target_ipc_perm *target_ip;
2087 struct target_semid_ds *target_sd;
2088
579a97f7
FB		 2089 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2090 return -TARGET_EFAULT;
3eb6b044
TS		 2091 target_ip = &(target_sd->sem_perm);
2092 target_ip->__key = tswapl(host_ip->__key);
2093 target_ip->uid = tswapl(host_ip->uid);
2094 target_ip->gid = tswapl(host_ip->gid);
2095 target_ip->cuid = tswapl(host_ip->cuid);
2096 target_ip->cgid = tswapl(host_ip->cgid);
2097 target_ip->mode = tswapl(host_ip->mode);
2098 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2099 return 0;
3eb6b044
TS		 2100}
2101
579a97f7
FB		 2102static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2103 abi_ulong target_addr)
3eb6b044
TS		 2104{
2105 struct target_semid_ds *target_sd;
2106
579a97f7
FB		 2107 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2108 return -TARGET_EFAULT;
e5289087
AJ		 2109 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2110 return -TARGET_EFAULT;
3eb6b044
TS		 2111 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2112 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2113 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2114 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2115 return 0;
3eb6b044
TS		 2116}
2117
579a97f7
FB		 2118static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2119 struct semid_ds *host_sd)
3eb6b044
TS		 2120{
2121 struct target_semid_ds *target_sd;
2122
579a97f7
FB		 2123 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2124 return -TARGET_EFAULT;
e5289087
AJ		 2125 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2126 return -TARGET_EFAULT;;
3eb6b044
TS		 2127 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2128 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2129 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2130 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2131 return 0;
3eb6b044
TS		 2132}
2133
e5289087
AJ		 2134struct target_seminfo {
2135 int semmap;
2136 int semmni;
2137 int semmns;
2138 int semmnu;
2139 int semmsl;
2140 int semopm;
2141 int semume;
2142 int semusz;
2143 int semvmx;
2144 int semaem;
2145};
2146
2147static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2148 struct seminfo *host_seminfo)
2149{
2150 struct target_seminfo *target_seminfo;
2151 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2152 return -TARGET_EFAULT;
2153 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2154 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2155 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2156 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2157 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2158 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2159 __put_user(host_seminfo->semume, &target_seminfo->semume);
2160 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2161 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2162 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2163 unlock_user_struct(target_seminfo, target_addr, 1);
2164 return 0;
2165}
2166
fa294816
TS		 2167union semun {
2168 int val;
3eb6b044 2169 struct semid_ds *buf;
fa294816 2170 unsigned short *array;
e5289087 2171 struct seminfo *__buf;
fa294816
TS		 2172};
2173
3eb6b044
TS		 2174union target_semun {
2175 int val;
e5289087
AJ		 2176 abi_ulong buf;
2177 abi_ulong array;
2178 abi_ulong __buf;
3eb6b044
TS		 2179};
2180
e5289087
AJ		 2181static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2182 abi_ulong target_addr)
3eb6b044 2183{
e5289087
AJ		 2184 int nsems;
2185 unsigned short *array;
2186 union semun semun;
2187 struct semid_ds semid_ds;
2188 int i, ret;
3eb6b044 2189
e5289087
AJ		 2190 semun.buf = &semid_ds;
2191
2192 ret = semctl(semid, 0, IPC_STAT, semun);
2193 if (ret == -1)
2194 return get_errno(ret);
2195
2196 nsems = semid_ds.sem_nsems;
2197
2198 *host_array = malloc(nsems*sizeof(unsigned short));
2199 array = lock_user(VERIFY_READ, target_addr,
2200 nsems*sizeof(unsigned short), 1);
2201 if (!array)
2202 return -TARGET_EFAULT;
2203
2204 for(i=0; i<nsems; i++) {
2205 __get_user((*host_array)[i], &array[i]);
3eb6b044 2206 }
e5289087
AJ		 2207 unlock_user(array, target_addr, 0);
2208
579a97f7 2209 return 0;
3eb6b044
TS		 2210}
2211
e5289087
AJ		 2212static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2213 unsigned short **host_array)
3eb6b044 2214{
e5289087
AJ		 2215 int nsems;
2216 unsigned short *array;
2217 union semun semun;
2218 struct semid_ds semid_ds;
2219 int i, ret;
3eb6b044 2220
e5289087
AJ		 2221 semun.buf = &semid_ds;
2222
2223 ret = semctl(semid, 0, IPC_STAT, semun);
2224 if (ret == -1)
2225 return get_errno(ret);
2226
2227 nsems = semid_ds.sem_nsems;
2228
2229 array = lock_user(VERIFY_WRITE, target_addr,
2230 nsems*sizeof(unsigned short), 0);
2231 if (!array)
2232 return -TARGET_EFAULT;
2233
2234 for(i=0; i<nsems; i++) {
2235 __put_user((*host_array)[i], &array[i]);
3eb6b044 2236 }
e5289087
AJ		 2237 free(*host_array);
2238 unlock_user(array, target_addr, 1);
2239
579a97f7 2240 return 0;
3eb6b044
TS		 2241}
2242
e5289087
AJ		 2243static inline abi_long do_semctl(int semid, int semnum, int cmd,
2244 union target_semun target_su)
3eb6b044
TS		 2245{
2246 union semun arg;
2247 struct semid_ds dsarg;
7b8118e8 2248 unsigned short *array = NULL;
e5289087
AJ		 2249 struct seminfo seminfo;
2250 abi_long ret = -TARGET_EINVAL;
2251 abi_long err;
2252 cmd &= 0xff;
3eb6b044
TS		 2253
2254 switch( cmd ) {
2255 case GETVAL:
3eb6b044 2256 case SETVAL:
e5289087
AJ		 2257 arg.val = tswapl(target_su.val);
2258 ret = get_errno(semctl(semid, semnum, cmd, arg));
2259 target_su.val = tswapl(arg.val);
3eb6b044
TS		 2260 break;
2261 case GETALL:
3eb6b044 2262 case SETALL:
e5289087
AJ		 2263 err = target_to_host_semarray(semid, &array, target_su.array);
2264 if (err)
2265 return err;
2266 arg.array = array;
2267 ret = get_errno(semctl(semid, semnum, cmd, arg));
2268 err = host_to_target_semarray(semid, target_su.array, &array);
2269 if (err)
2270 return err;
3eb6b044
TS		 2271 break;
2272 case IPC_STAT:
3eb6b044 2273 case IPC_SET:
e5289087
AJ		 2274 case SEM_STAT:
2275 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2276 if (err)
2277 return err;
2278 arg.buf = &dsarg;
2279 ret = get_errno(semctl(semid, semnum, cmd, arg));
2280 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2281 if (err)
2282 return err;
2283 break;
2284 case IPC_INFO:
2285 case SEM_INFO:
2286 arg.__buf = &seminfo;
2287 ret = get_errno(semctl(semid, semnum, cmd, arg));
2288 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2289 if (err)
2290 return err;
2291 break;
2292 case IPC_RMID:
2293 case GETPID:
2294 case GETNCNT:
2295 case GETZCNT:
2296 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2297 break;
3eb6b044
TS		 2298 }
2299
2300 return ret;
2301}
2302
e5289087
AJ		 2303struct target_sembuf {
2304 unsigned short sem_num;
2305 short sem_op;
2306 short sem_flg;
2307};
2308
2309static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2310 abi_ulong target_addr,
2311 unsigned nsops)
2312{
2313 struct target_sembuf *target_sembuf;
2314 int i;
2315
2316 target_sembuf = lock_user(VERIFY_READ, target_addr,
2317 nsops*sizeof(struct target_sembuf), 1);
2318 if (!target_sembuf)
2319 return -TARGET_EFAULT;
2320
2321 for(i=0; i<nsops; i++) {
2322 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2323 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2324 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2325 }
2326
2327 unlock_user(target_sembuf, target_addr, 0);
2328
2329 return 0;
2330}
2331
2332static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2333{
2334 struct sembuf sops[nsops];
2335
2336 if (target_to_host_sembuf(sops, ptr, nsops))
2337 return -TARGET_EFAULT;
2338
2339 return semop(semid, sops, nsops);
2340}
2341
1bc012f6
TS		 2342struct target_msqid_ds
2343{
1c54ff97
AJ		 2344 struct target_ipc_perm msg_perm;
2345 abi_ulong msg_stime;
2346#if TARGET_ABI_BITS == 32
2347 abi_ulong __unused1;
2348#endif
2349 abi_ulong msg_rtime;
2350#if TARGET_ABI_BITS == 32
2351 abi_ulong __unused2;
2352#endif
2353 abi_ulong msg_ctime;
2354#if TARGET_ABI_BITS == 32
2355 abi_ulong __unused3;
2356#endif
2357 abi_ulong __msg_cbytes;
2358 abi_ulong msg_qnum;
2359 abi_ulong msg_qbytes;
2360 abi_ulong msg_lspid;
2361 abi_ulong msg_lrpid;
2362 abi_ulong __unused4;
2363 abi_ulong __unused5;
1bc012f6
TS		 2364};
2365
579a97f7
FB		 2366static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2367 abi_ulong target_addr)
1bc012f6
TS		 2368{
2369 struct target_msqid_ds *target_md;
2370
579a97f7
FB		 2371 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2372 return -TARGET_EFAULT;
1c54ff97
AJ		 2373 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2374 return -TARGET_EFAULT;
1bc012f6
TS		 2375 host_md->msg_stime = tswapl(target_md->msg_stime);
2376 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2377 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2378 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2379 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2380 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2381 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2382 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2383 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2384 return 0;
1bc012f6
TS		 2385}
2386
579a97f7
FB		 2387static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2388 struct msqid_ds *host_md)
1bc012f6
TS		 2389{
2390 struct target_msqid_ds *target_md;
2391
579a97f7
FB		 2392 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2393 return -TARGET_EFAULT;
1c54ff97
AJ		 2394 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2395 return -TARGET_EFAULT;
1bc012f6
TS		 2396 target_md->msg_stime = tswapl(host_md->msg_stime);
2397 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2398 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2399 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2400 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2401 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2402 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2403 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2404 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2405 return 0;
1bc012f6
TS		 2406}
2407
1c54ff97
AJ		 2408struct target_msginfo {
2409 int msgpool;
2410 int msgmap;
2411 int msgmax;
2412 int msgmnb;
2413 int msgmni;
2414 int msgssz;
2415 int msgtql;
2416 unsigned short int msgseg;
2417};
2418
2419static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2420 struct msginfo *host_msginfo)
2421{
2422 struct target_msginfo *target_msginfo;
2423 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2424 return -TARGET_EFAULT;
2425 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2426 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2427 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2428 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2429 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2430 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2431 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2432 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2433 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2434 return 0;
1c54ff97
AJ		 2435}
2436
2437static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2438{
2439 struct msqid_ds dsarg;
1c54ff97
AJ		 2440 struct msginfo msginfo;
2441 abi_long ret = -TARGET_EINVAL;
2442
2443 cmd &= 0xff;
2444
2445 switch (cmd) {
1bc012f6
TS		 2446 case IPC_STAT:
2447 case IPC_SET:
1c54ff97
AJ		 2448 case MSG_STAT:
2449 if (target_to_host_msqid_ds(&dsarg,ptr))
2450 return -TARGET_EFAULT;
2451 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2452 if (host_to_target_msqid_ds(ptr,&dsarg))
2453 return -TARGET_EFAULT;
2454 break;
2455 case IPC_RMID:
2456 ret = get_errno(msgctl(msgid, cmd, NULL));
2457 break;
2458 case IPC_INFO:
2459 case MSG_INFO:
2460 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2461 if (host_to_target_msginfo(ptr, &msginfo))
2462 return -TARGET_EFAULT;
2463 break;
1bc012f6 2464 }
1c54ff97 2465
1bc012f6
TS		 2466 return ret;
2467}
2468
2469struct target_msgbuf {
1c54ff97
AJ		 2470 abi_long mtype;
2471 char mtext[1];
1bc012f6
TS		 2472};
2473
992f48a0
BS		 2474static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2475 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2476{
2477 struct target_msgbuf *target_mb;
2478 struct msgbuf *host_mb;
992f48a0 2479 abi_long ret = 0;
1bc012f6 2480
579a97f7
FB		 2481 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2482 return -TARGET_EFAULT;
1bc012f6 2483 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2484 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2485 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2486 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2487 free(host_mb);
2488 unlock_user_struct(target_mb, msgp, 0);
2489
2490 return ret;
2491}
2492
992f48a0 2493static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2494 unsigned int msgsz, abi_long msgtyp,
992f48a0 2495 int msgflg)
1bc012f6
TS		 2496{
2497 struct target_msgbuf *target_mb;
579a97f7 2498 char *target_mtext;
1bc012f6 2499 struct msgbuf *host_mb;
992f48a0 2500 abi_long ret = 0;
1bc012f6 2501
579a97f7
FB		 2502 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2503 return -TARGET_EFAULT;
1c54ff97 2504
1bc012f6 2505 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2506 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2507
579a97f7
FB		 2508 if (ret > 0) {
2509 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2510 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2511 if (!target_mtext) {
2512 ret = -TARGET_EFAULT;
2513 goto end;
2514 }
1c54ff97 2515 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2516 unlock_user(target_mtext, target_mtext_addr, ret);
2517 }
1c54ff97 2518
1bc012f6
TS		 2519 target_mb->mtype = tswapl(host_mb->mtype);
2520 free(host_mb);
1bc012f6 2521
579a97f7
FB		 2522end:
2523 if (target_mb)
2524 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 2525 return ret;
2526}
2527
88a8c984
RV		 2528struct target_shmid_ds
2529{
2530 struct target_ipc_perm shm_perm;
2531 abi_ulong shm_segsz;
2532 abi_ulong shm_atime;
2533#if TARGET_ABI_BITS == 32
2534 abi_ulong __unused1;
2535#endif
2536 abi_ulong shm_dtime;
2537#if TARGET_ABI_BITS == 32
2538 abi_ulong __unused2;
2539#endif
2540 abi_ulong shm_ctime;
2541#if TARGET_ABI_BITS == 32
2542 abi_ulong __unused3;
2543#endif
2544 int shm_cpid;
2545 int shm_lpid;
2546 abi_ulong shm_nattch;
2547 unsigned long int __unused4;
2548 unsigned long int __unused5;
2549};
2550
2551static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2552 abi_ulong target_addr)
2553{
2554 struct target_shmid_ds *target_sd;
2555
2556 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2557 return -TARGET_EFAULT;
2558 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2559 return -TARGET_EFAULT;
2560 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2561 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2562 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2563 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2564 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2565 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2566 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2567 unlock_user_struct(target_sd, target_addr, 0);
2568 return 0;
2569}
2570
2571static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2572 struct shmid_ds *host_sd)
2573{
2574 struct target_shmid_ds *target_sd;
2575
2576 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2577 return -TARGET_EFAULT;
2578 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2579 return -TARGET_EFAULT;
2580 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2581 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2582 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2583 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2584 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2585 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2586 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2587 unlock_user_struct(target_sd, target_addr, 1);
2588 return 0;
2589}
2590
2591struct target_shminfo {
2592 abi_ulong shmmax;
2593 abi_ulong shmmin;
2594 abi_ulong shmmni;
2595 abi_ulong shmseg;
2596 abi_ulong shmall;
2597};
2598
2599static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2600 struct shminfo *host_shminfo)
2601{
2602 struct target_shminfo *target_shminfo;
2603 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2604 return -TARGET_EFAULT;
2605 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2606 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2607 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2608 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2609 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2610 unlock_user_struct(target_shminfo, target_addr, 1);
2611 return 0;
2612}
2613
2614struct target_shm_info {
2615 int used_ids;
2616 abi_ulong shm_tot;
2617 abi_ulong shm_rss;
2618 abi_ulong shm_swp;
2619 abi_ulong swap_attempts;
2620 abi_ulong swap_successes;
2621};
2622
2623static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2624 struct shm_info *host_shm_info)
2625{
2626 struct target_shm_info *target_shm_info;
2627 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2628 return -TARGET_EFAULT;
2629 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2630 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2631 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2632 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2633 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2634 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2635 unlock_user_struct(target_shm_info, target_addr, 1);
2636 return 0;
2637}
2638
2639static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2640{
2641 struct shmid_ds dsarg;
2642 struct shminfo shminfo;
2643 struct shm_info shm_info;
2644 abi_long ret = -TARGET_EINVAL;
2645
2646 cmd &= 0xff;
2647
2648 switch(cmd) {
2649 case IPC_STAT:
2650 case IPC_SET:
2651 case SHM_STAT:
2652 if (target_to_host_shmid_ds(&dsarg, buf))
2653 return -TARGET_EFAULT;
2654 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2655 if (host_to_target_shmid_ds(buf, &dsarg))
2656 return -TARGET_EFAULT;
2657 break;
2658 case IPC_INFO:
2659 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2660 if (host_to_target_shminfo(buf, &shminfo))
2661 return -TARGET_EFAULT;
2662 break;
2663 case SHM_INFO:
2664 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2665 if (host_to_target_shm_info(buf, &shm_info))
2666 return -TARGET_EFAULT;
2667 break;
2668 case IPC_RMID:
2669 case SHM_LOCK:
2670 case SHM_UNLOCK:
2671 ret = get_errno(shmctl(shmid, cmd, NULL));
2672 break;
2673 }
2674
2675 return ret;
2676}
2677
2678static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2679{
2680 abi_long raddr;
2681 void *host_raddr;
2682 struct shmid_ds shm_info;
2683 int i,ret;
2684
2685 /* find out the length of the shared memory segment */
2686 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2687 if (is_error(ret)) {
2688 /* can't get length, bail out */
2689 return ret;
2690 }
2691
2692 mmap_lock();
2693
2694 if (shmaddr)
2695 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2696 else {
2697 abi_ulong mmap_start;
2698
2699 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2700
2701 if (mmap_start == -1) {
2702 errno = ENOMEM;
2703 host_raddr = (void *)-1;
2704 } else
2705 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2706 }
2707
2708 if (host_raddr == (void *)-1) {
2709 mmap_unlock();
2710 return get_errno((long)host_raddr);
2711 }
2712 raddr=h2g((unsigned long)host_raddr);
2713
2714 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2715 PAGE_VALID | PAGE_READ |
2716 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2717
2718 for (i = 0; i < N_SHM_REGIONS; i++) {
2719 if (shm_regions[i].start == 0) {
2720 shm_regions[i].start = raddr;
2721 shm_regions[i].size = shm_info.shm_segsz;
2722 break;
2723 }
2724 }
2725
2726 mmap_unlock();
2727 return raddr;
2728
2729}
2730
2731static inline abi_long do_shmdt(abi_ulong shmaddr)
2732{
2733 int i;
2734
2735 for (i = 0; i < N_SHM_REGIONS; ++i) {
2736 if (shm_regions[i].start == shmaddr) {
2737 shm_regions[i].start = 0;
2738 page_set_flags(shmaddr, shm_regions[i].size, 0);
2739 break;
2740 }
2741 }
2742
2743 return get_errno(shmdt(g2h(shmaddr)));
2744}
2745
1c54ff97 2746#ifdef TARGET_NR_ipc
53a5960a 2747/* ??? This only works with linear mappings. */
0da46a6e 2748/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 2749static abi_long do_ipc(unsigned int call, int first,
2750 int second, int third,
2751 abi_long ptr, abi_long fifth)
8853f86e
FB		 2752{
2753 int version;
992f48a0 2754 abi_long ret = 0;
8853f86e
FB		 2755
2756 version = call >> 16;
2757 call &= 0xffff;
2758
2759 switch (call) {
fa294816 2760 case IPCOP_semop:
e5289087 2761 ret = do_semop(first, ptr, second);
fa294816
TS		 2762 break;
2763
2764 case IPCOP_semget:
2765 ret = get_errno(semget(first, second, third));
2766 break;
2767
2768 case IPCOP_semctl:
e5289087 2769 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 2770 break;
d96372ef 2771
1c54ff97
AJ		 2772 case IPCOP_msgget:
2773 ret = get_errno(msgget(first, second));
2774 break;
d96372ef 2775
1c54ff97
AJ		 2776 case IPCOP_msgsnd:
2777 ret = do_msgsnd(first, ptr, second, third);
2778 break;
d96372ef 2779
1c54ff97
AJ		 2780 case IPCOP_msgctl:
2781 ret = do_msgctl(first, second, ptr);
2782 break;
d96372ef 2783
1c54ff97
AJ		 2784 case IPCOP_msgrcv:
2785 switch (version) {
2786 case 0:
2787 {
2788 struct target_ipc_kludge {
2789 abi_long msgp;
2790 abi_long msgtyp;
2791 } *tmp;
2792
2793 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2794 ret = -TARGET_EFAULT;
2795 break;
2796 }
d96372ef 2797
1c54ff97 2798 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 2799
1c54ff97
AJ		 2800 unlock_user_struct(tmp, ptr, 0);
2801 break;
2802 }
2803 default:
2804 ret = do_msgrcv(first, ptr, second, fifth, third);
2805 }
2806 break;
d96372ef 2807
8853f86e 2808 case IPCOP_shmat:
88a8c984
RV		 2809 switch (version) {
2810 default:
5a4a898d
FB		 2811 {
2812 abi_ulong raddr;
88a8c984
RV		 2813 raddr = do_shmat(first, ptr, second);
2814 if (is_error(raddr))
2815 return get_errno(raddr);
2f619698 2816 if (put_user_ual(raddr, third))
5a4a898d 2817 return -TARGET_EFAULT;
88a8c984
RV		 2818 break;
2819 }
2820 case 1:
2821 ret = -TARGET_EINVAL;
2822 break;
5a4a898d 2823 }
8853f86e
FB		 2824 break;
2825 case IPCOP_shmdt:
88a8c984 2826 ret = do_shmdt(ptr);
8853f86e
FB		 2827 break;
2828
2829 case IPCOP_shmget:
2830 /* IPC_* flag values are the same on all linux platforms */
2831 ret = get_errno(shmget(first, second, third));
2832 break;
2833
2834 /* IPC_* and SHM_* command values are the same on all linux platforms */
2835 case IPCOP_shmctl:
88a8c984 2836 ret = do_shmctl(first, second, third);
8853f86e
FB		 2837 break;
2838 default:
32407103 2839 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 2840 ret = -TARGET_ENOSYS;
8853f86e
FB		 2841 break;
2842 }
2843 return ret;
2844}
32407103 2845#endif
8853f86e 2846
31e31b8a
FB		 2847/* kernel structure types definitions */
2848#define IFNAMSIZ 16
2849
001faf32 2850#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 2851#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2852enum {
2853#include "syscall_types.h"
2854};
2855#undef STRUCT
2856#undef STRUCT_SPECIAL
2857
001faf32 2858#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 2859#define STRUCT_SPECIAL(name)
2860#include "syscall_types.h"
2861#undef STRUCT
2862#undef STRUCT_SPECIAL
2863
2864typedef struct IOCTLEntry {
2ab83ea7
FB		 2865 unsigned int target_cmd;
2866 unsigned int host_cmd;
31e31b8a
FB		 2867 const char *name;
2868 int access;
1a9353d2 2869 const argtype arg_type[5];
31e31b8a
FB		 2870} IOCTLEntry;
2871
2872#define IOC_R 0x0001
2873#define IOC_W 0x0002
2874#define IOC_RW (IOC_R | IOC_W)
2875
2876#define MAX_STRUCT_SIZE 4096
2877
9f106a75 2878static IOCTLEntry ioctl_entries[] = {
001faf32
BS		 2879#define IOCTL(cmd, access, ...) \
2880 { TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } },
31e31b8a
FB		 2881#include "ioctls.h"
2882 { 0, 0, },
2883};
2884
53a5960a 2885/* ??? Implement proper locking for ioctls. */
0da46a6e 2886/* do_ioctl() Must return target values and target errnos. */
992f48a0 2887static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 2888{
2889 const IOCTLEntry *ie;
2890 const argtype *arg_type;
992f48a0 2891 abi_long ret;
31e31b8a 2892 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 2893 int target_size;
2894 void *argptr;
31e31b8a
FB		 2895
2896 ie = ioctl_entries;
2897 for(;;) {
2898 if (ie->target_cmd == 0) {
32407103 2899 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 2900 return -TARGET_ENOSYS;
31e31b8a
FB		 2901 }
2902 if (ie->target_cmd == cmd)
2903 break;
2904 ie++;
2905 }
2906 arg_type = ie->arg_type;
9de5e440 2907#if defined(DEBUG)
32407103 2908 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 2909#endif
31e31b8a
FB		 2910 switch(arg_type[0]) {
2911 case TYPE_NULL:
2912 /* no argument */
2913 ret = get_errno(ioctl(fd, ie->host_cmd));
2914 break;
2915 case TYPE_PTRVOID:
2916 case TYPE_INT:
2917 /* int argment */
2918 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2919 break;
2920 case TYPE_PTR:
2921 arg_type++;
53a5960a 2922 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 2923 switch(ie->access) {
2924 case IOC_R:
2925 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2926 if (!is_error(ret)) {
579a97f7
FB		 2927 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2928 if (!argptr)
2929 return -TARGET_EFAULT;
53a5960a
PB		 2930 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2931 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2932 }
2933 break;
2934 case IOC_W:
579a97f7
FB		 2935 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2936 if (!argptr)
2937 return -TARGET_EFAULT;
53a5960a
PB		 2938 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2939 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2940 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2941 break;
2942 default:
2943 case IOC_RW:
579a97f7
FB		 2944 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2945 if (!argptr)
2946 return -TARGET_EFAULT;
53a5960a
PB		 2947 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2948 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2949 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2950 if (!is_error(ret)) {
579a97f7
FB		 2951 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2952 if (!argptr)
2953 return -TARGET_EFAULT;
53a5960a
PB		 2954 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2955 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2956 }
2957 break;
2958 }
2959 break;
2960 default:
32407103
JM		 2961 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2962 (long)cmd, arg_type[0]);
0da46a6e 2963 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2964 break;
2965 }
2966 return ret;
2967}
2968
b39bc503 2969static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 2970 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2971 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2972 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2973 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2974 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2975 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2976 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2977 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2978 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2979 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2980 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2981 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2982 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2983 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2984 { 0, 0, 0, 0 }
2985};
2986
b39bc503 2987static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 2988 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2989 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2990 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2991 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2992 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2993 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2994 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2995 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2996 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2997 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2998 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2999 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
3000 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
3001 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
3002 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
3003 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
3004 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
3005 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
3006 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
3007 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
3008 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
3009 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
3010 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
3011 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
3012 { 0, 0, 0, 0 }
3013};
3014
b39bc503 3015static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 3016 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
3017 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
3018 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
3019 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
3020 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
3021 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
3022 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
3023 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
3024 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
3025 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
3026 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
3027 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
3028 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3029 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3030 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3031 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3032 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3033 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3034 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3035 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3036 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3037 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3038 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3039 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3040 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3041 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3042 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3043 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3044 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3045 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3046 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3047 { 0, 0, 0, 0 }
3048};
3049
b39bc503 3050static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3051 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3052 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3053 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3054 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3055 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3056 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3057 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3058 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3059 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3060 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3061 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3062 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3063 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3064 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3065 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3066 { 0, 0, 0, 0 }
3067};
3068
3069static void target_to_host_termios (void *dst, const void *src)
3070{
3071 struct host_termios *host = dst;
3072 const struct target_termios *target = src;
3b46e624 3073
5fafdf24 3074 host->c_iflag =
31e31b8a 3075 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3076 host->c_oflag =
31e31b8a 3077 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3078 host->c_cflag =
31e31b8a 3079 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3080 host->c_lflag =
31e31b8a
FB		 3081 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3082 host->c_line = target->c_line;
3b46e624 3083
44607123 3084 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3085 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3086 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3087 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3088 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3089 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3090 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3091 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3092 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3093 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3094 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3095 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3096 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3097 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3098 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3099 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3100 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3101 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3102}
3b46e624 3103
31e31b8a
FB		 3104static void host_to_target_termios (void *dst, const void *src)
3105{
3106 struct target_termios *target = dst;
3107 const struct host_termios *host = src;
3108
5fafdf24 3109 target->c_iflag =
31e31b8a 3110 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3111 target->c_oflag =
31e31b8a 3112 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3113 target->c_cflag =
31e31b8a 3114 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3115 target->c_lflag =
31e31b8a
FB		 3116 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3117 target->c_line = host->c_line;
3b46e624 3118
44607123 3119 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3120 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3121 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3122 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3123 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3124 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3125 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3126 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3127 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3128 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3129 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3130 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3131 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3132 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3133 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3134 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3135 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3136 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3137}
3138
8e853dc7 3139static const StructEntry struct_termios_def = {
31e31b8a
FB		 3140 .convert = { host_to_target_termios, target_to_host_termios },
3141 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3142 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3143};
3144
5286db75
FB		 3145static bitmask_transtbl mmap_flags_tbl[] = {
3146 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3147 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3148 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3149 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3150 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3151 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3152 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3153 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3154 { 0, 0, 0, 0 }
3155};
3156
2ab83ea7 3157#if defined(TARGET_I386)
6dbad63e
FB		 3158
3159/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3160static uint8_t *ldt_table;
6dbad63e 3161
03acab66 3162static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3163{
3164 int size;
53a5960a 3165 void *p;
6dbad63e
FB		 3166
3167 if (!ldt_table)
3168 return 0;
3169 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3170 if (size > bytecount)
3171 size = bytecount;
579a97f7
FB		 3172 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3173 if (!p)
03acab66 3174 return -TARGET_EFAULT;
579a97f7 3175 /* ??? Should this by byteswapped? */
53a5960a
PB		 3176 memcpy(p, ldt_table, size);
3177 unlock_user(p, ptr, size);
6dbad63e
FB		 3178 return size;
3179}
3180
3181/* XXX: add locking support */
03acab66
FB		 3182static abi_long write_ldt(CPUX86State *env,
3183 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3184{
3185 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3186 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3187 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3188 int seg_not_present, useable, lm;
6dbad63e
FB		 3189 uint32_t *lp, entry_1, entry_2;
3190
3191 if (bytecount != sizeof(ldt_info))
03acab66 3192 return -TARGET_EINVAL;
579a97f7 3193 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3194 return -TARGET_EFAULT;
53a5960a
PB		 3195 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3196 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3197 ldt_info.limit = tswap32(target_ldt_info->limit);
3198 ldt_info.flags = tswap32(target_ldt_info->flags);
3199 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3200
6dbad63e 3201 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3202 return -TARGET_EINVAL;
6dbad63e
FB		 3203 seg_32bit = ldt_info.flags & 1;
3204 contents = (ldt_info.flags >> 1) & 3;
3205 read_exec_only = (ldt_info.flags >> 3) & 1;
3206 limit_in_pages = (ldt_info.flags >> 4) & 1;
3207 seg_not_present = (ldt_info.flags >> 5) & 1;
3208 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3209#ifdef TARGET_ABI32
3210 lm = 0;
3211#else
3212 lm = (ldt_info.flags >> 7) & 1;
3213#endif
6dbad63e
FB		 3214 if (contents == 3) {
3215 if (oldmode)
03acab66 3216 return -TARGET_EINVAL;
6dbad63e 3217 if (seg_not_present == 0)
03acab66 3218 return -TARGET_EINVAL;
6dbad63e
FB		 3219 }
3220 /* allocate the LDT */
3221 if (!ldt_table) {
e441570f
AZ		 3222 env->ldt.base = target_mmap(0,
3223 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3224 PROT_READ|PROT_WRITE,
3225 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3226 if (env->ldt.base == -1)
03acab66 3227 return -TARGET_ENOMEM;
e441570f
AZ		 3228 memset(g2h(env->ldt.base), 0,
3229 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3230 env->ldt.limit = 0xffff;
e441570f 3231 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3232 }
3233
3234 /* NOTE: same code as Linux kernel */
3235 /* Allow LDTs to be cleared by the user. */
3236 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3237 if (oldmode ||
3238 (contents == 0 &&
3239 read_exec_only == 1 &&
3240 seg_32bit == 0 &&
3241 limit_in_pages == 0 &&
3242 seg_not_present == 1 &&
3243 useable == 0 )) {
3244 entry_1 = 0;
3245 entry_2 = 0;
3246 goto install;
3247 }
3248 }
3b46e624 3249
6dbad63e
FB		 3250 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3251 (ldt_info.limit & 0x0ffff);
3252 entry_2 = (ldt_info.base_addr & 0xff000000) |
3253 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3254 (ldt_info.limit & 0xf0000) |
3255 ((read_exec_only ^ 1) << 9) |
3256 (contents << 10) |
3257 ((seg_not_present ^ 1) << 15) |
3258 (seg_32bit << 22) |
3259 (limit_in_pages << 23) |
8d18e893 3260 (lm << 21) |
6dbad63e
FB		 3261 0x7000;
3262 if (!oldmode)
3263 entry_2 |= (useable << 20);
14ae3ba7 3264
6dbad63e
FB		 3265 /* Install the new entry ... */
3266install:
3267 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3268 lp[0] = tswap32(entry_1);
3269 lp[1] = tswap32(entry_2);
3270 return 0;
3271}
3272
3273/* specific and weird i386 syscalls */
8fcd3692
BS		 3274static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3275 unsigned long bytecount)
6dbad63e 3276{
03acab66 3277 abi_long ret;
3b46e624 3278
6dbad63e
FB		 3279 switch (func) {
3280 case 0:
3281 ret = read_ldt(ptr, bytecount);
3282 break;
3283 case 1:
3284 ret = write_ldt(env, ptr, bytecount, 1);
3285 break;
3286 case 0x11:
3287 ret = write_ldt(env, ptr, bytecount, 0);
3288 break;
03acab66
FB		 3289 default:
3290 ret = -TARGET_ENOSYS;
3291 break;
6dbad63e
FB		 3292 }
3293 return ret;
3294}
1b6b029e 3295
4583f589 3296#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 3297static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3298{
3299 uint64_t *gdt_table = g2h(env->gdt.base);
3300 struct target_modify_ldt_ldt_s ldt_info;
3301 struct target_modify_ldt_ldt_s *target_ldt_info;
3302 int seg_32bit, contents, read_exec_only, limit_in_pages;
3303 int seg_not_present, useable, lm;
3304 uint32_t *lp, entry_1, entry_2;
3305 int i;
3306
3307 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3308 if (!target_ldt_info)
3309 return -TARGET_EFAULT;
3310 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3311 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3312 ldt_info.limit = tswap32(target_ldt_info->limit);
3313 ldt_info.flags = tswap32(target_ldt_info->flags);
3314 if (ldt_info.entry_number == -1) {
3315 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3316 if (gdt_table[i] == 0) {
3317 ldt_info.entry_number = i;
3318 target_ldt_info->entry_number = tswap32(i);
3319 break;
3320 }
3321 }
3322 }
3323 unlock_user_struct(target_ldt_info, ptr, 1);
3324
3325 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3326 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3327 return -TARGET_EINVAL;
3328 seg_32bit = ldt_info.flags & 1;
3329 contents = (ldt_info.flags >> 1) & 3;
3330 read_exec_only = (ldt_info.flags >> 3) & 1;
3331 limit_in_pages = (ldt_info.flags >> 4) & 1;
3332 seg_not_present = (ldt_info.flags >> 5) & 1;
3333 useable = (ldt_info.flags >> 6) & 1;
3334#ifdef TARGET_ABI32
3335 lm = 0;
3336#else
3337 lm = (ldt_info.flags >> 7) & 1;
3338#endif
3339
3340 if (contents == 3) {
3341 if (seg_not_present == 0)
3342 return -TARGET_EINVAL;
3343 }
3344
3345 /* NOTE: same code as Linux kernel */
3346 /* Allow LDTs to be cleared by the user. */
3347 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3348 if ((contents == 0 &&
3349 read_exec_only == 1 &&
3350 seg_32bit == 0 &&
3351 limit_in_pages == 0 &&
3352 seg_not_present == 1 &&
3353 useable == 0 )) {
3354 entry_1 = 0;
3355 entry_2 = 0;
3356 goto install;
3357 }
3358 }
3359
3360 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3361 (ldt_info.limit & 0x0ffff);
3362 entry_2 = (ldt_info.base_addr & 0xff000000) |
3363 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3364 (ldt_info.limit & 0xf0000) |
3365 ((read_exec_only ^ 1) << 9) |
3366 (contents << 10) |
3367 ((seg_not_present ^ 1) << 15) |
3368 (seg_32bit << 22) |
3369 (limit_in_pages << 23) |
3370 (useable << 20) |
3371 (lm << 21) |
3372 0x7000;
3373
3374 /* Install the new entry ... */
3375install:
3376 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3377 lp[0] = tswap32(entry_1);
3378 lp[1] = tswap32(entry_2);
3379 return 0;
3380}
3381
8fcd3692 3382static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3383{
3384 struct target_modify_ldt_ldt_s *target_ldt_info;
3385 uint64_t *gdt_table = g2h(env->gdt.base);
3386 uint32_t base_addr, limit, flags;
3387 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3388 int seg_not_present, useable, lm;
3389 uint32_t *lp, entry_1, entry_2;
3390
3391 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3392 if (!target_ldt_info)
3393 return -TARGET_EFAULT;
3394 idx = tswap32(target_ldt_info->entry_number);
3395 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3396 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3397 unlock_user_struct(target_ldt_info, ptr, 1);
3398 return -TARGET_EINVAL;
3399 }
3400 lp = (uint32_t *)(gdt_table + idx);
3401 entry_1 = tswap32(lp[0]);
3402 entry_2 = tswap32(lp[1]);
3403
3404 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3405 contents = (entry_2 >> 10) & 3;
3406 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3407 seg_32bit = (entry_2 >> 22) & 1;
3408 limit_in_pages = (entry_2 >> 23) & 1;
3409 useable = (entry_2 >> 20) & 1;
3410#ifdef TARGET_ABI32
3411 lm = 0;
3412#else
3413 lm = (entry_2 >> 21) & 1;
3414#endif
3415 flags = (seg_32bit << 0) | (contents << 1) |
3416 (read_exec_only << 3) | (limit_in_pages << 4) |
3417 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3418 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3419 base_addr = (entry_1 >> 16) |
3420 (entry_2 & 0xff000000) |
3421 ((entry_2 & 0xff) << 16);
3422 target_ldt_info->base_addr = tswapl(base_addr);
3423 target_ldt_info->limit = tswap32(limit);
3424 target_ldt_info->flags = tswap32(flags);
3425 unlock_user_struct(target_ldt_info, ptr, 1);
3426 return 0;
3427}
4583f589 3428#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 3429
d2fd1af7 3430#ifndef TARGET_ABI32
8fcd3692 3431static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7
FB		 3432{
3433 abi_long ret;
3434 abi_ulong val;
3435 int idx;
3436
3437 switch(code) {
3438 case TARGET_ARCH_SET_GS:
3439 case TARGET_ARCH_SET_FS:
3440 if (code == TARGET_ARCH_SET_GS)
3441 idx = R_GS;
3442 else
3443 idx = R_FS;
3444 cpu_x86_load_seg(env, idx, 0);
3445 env->segs[idx].base = addr;
3446 break;
3447 case TARGET_ARCH_GET_GS:
3448 case TARGET_ARCH_GET_FS:
3449 if (code == TARGET_ARCH_GET_GS)
3450 idx = R_GS;
3451 else
3452 idx = R_FS;
3453 val = env->segs[idx].base;
3454 if (put_user(val, addr, abi_ulong))
3455 return -TARGET_EFAULT;
3456 break;
3457 default:
3458 ret = -TARGET_EINVAL;
3459 break;
3460 }
3461 return 0;
3462}
3463#endif
3464
2ab83ea7
FB		 3465#endif /* defined(TARGET_I386) */
3466
2f7bb878 3467#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3468
3469#define NEW_STACK_SIZE PTHREAD_STACK_MIN
3470
3471static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3472typedef struct {
3473 CPUState *env;
3474 pthread_mutex_t mutex;
3475 pthread_cond_t cond;
3476 pthread_t thread;
3477 uint32_t tid;
3478 abi_ulong child_tidptr;
3479 abi_ulong parent_tidptr;
3480 sigset_t sigmask;
3481} new_thread_info;
3482
3483static void *clone_func(void *arg)
3484{
3485 new_thread_info *info = arg;
3486 CPUState *env;
edf8e2af 3487 TaskState *ts;
d865bab5
PB		 3488
3489 env = info->env;
3490 thread_env = env;
edf8e2af 3491 ts = (TaskState *)thread_env->opaque;
d865bab5 3492 info->tid = gettid();
1e9fa730 3493 env->host_tid = info->tid;
edf8e2af 3494 task_settid(ts);
d865bab5
PB		 3495 if (info->child_tidptr)
3496 put_user_u32(info->tid, info->child_tidptr);
3497 if (info->parent_tidptr)
3498 put_user_u32(info->tid, info->parent_tidptr);
3499 /* Enable signals. */
3500 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3501 /* Signal to the parent that we're ready. */
3502 pthread_mutex_lock(&info->mutex);
3503 pthread_cond_broadcast(&info->cond);
3504 pthread_mutex_unlock(&info->mutex);
3505 /* Wait until the parent has finshed initializing the tls state. */
3506 pthread_mutex_lock(&clone_lock);
3507 pthread_mutex_unlock(&clone_lock);
3508 cpu_loop(env);
3509 /* never exits */
3510 return NULL;
3511}
3512#else
1b6b029e
FB		 3513/* this stack is the equivalent of the kernel stack associated with a
3514 thread/process */
3515#define NEW_STACK_SIZE 8192
3516
3517static int clone_func(void *arg)
3518{
2ab83ea7 3519 CPUState *env = arg;
1b6b029e
FB		 3520 cpu_loop(env);
3521 /* never exits */
3522 return 0;
3523}
d865bab5 3524#endif
1b6b029e 3525
0da46a6e
TS		 3526/* do_fork() Must return host values and target errnos (unlike most
3527 do_*() functions). */
d865bab5
PB		 3528static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3529 abi_ulong parent_tidptr, target_ulong newtls,
3530 abi_ulong child_tidptr)
1b6b029e
FB		 3531{
3532 int ret;
5cd4393b 3533 TaskState *ts;
1b6b029e 3534 uint8_t *new_stack;
2ab83ea7 3535 CPUState *new_env;
2f7bb878 3536#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3537 unsigned int nptl_flags;
3538 sigset_t sigmask;
3539#endif
3b46e624 3540
436d124b
AZ		 3541 /* Emulate vfork() with fork() */
3542 if (flags & CLONE_VFORK)
3543 flags &= ~(CLONE_VFORK | CLONE_VM);
3544
1b6b029e 3545 if (flags & CLONE_VM) {
edf8e2af 3546 TaskState *parent_ts = (TaskState *)env->opaque;
2f7bb878 3547#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3548 new_thread_info info;
3549 pthread_attr_t attr;
bd0c5661 3550#endif
c3a92833 3551 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
624f7979 3552 init_task_state(ts);
5cd4393b 3553 new_stack = ts->stack;
1b6b029e 3554 /* we create a new CPU instance. */
c5be9f08 3555 new_env = cpu_copy(env);
6e68e076
PB		 3556 /* Init regs that differ from the parent. */
3557 cpu_clone_regs(new_env, newsp);
5cd4393b 3558 new_env->opaque = ts;
edf8e2af
MW		 3559 ts->bprm = parent_ts->bprm;
3560 ts->info = parent_ts->info;
2f7bb878 3561#if defined(CONFIG_USE_NPTL)
d865bab5
PB		 3562 nptl_flags = flags;
3563 flags &= ~CLONE_NPTL_FLAGS2;
3564
c2764719
PB		 3565 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3566 ts->child_tidptr = child_tidptr;
3567 }
3568
d865bab5
PB		 3569 if (nptl_flags & CLONE_SETTLS)
3570 cpu_set_tls (new_env, newtls);
3571
3572 /* Grab a mutex so that thread setup appears atomic. */
3573 pthread_mutex_lock(&clone_lock);
3574
3575 memset(&info, 0, sizeof(info));
3576 pthread_mutex_init(&info.mutex, NULL);
3577 pthread_mutex_lock(&info.mutex);
3578 pthread_cond_init(&info.cond, NULL);
3579 info.env = new_env;
3580 if (nptl_flags & CLONE_CHILD_SETTID)
3581 info.child_tidptr = child_tidptr;
3582 if (nptl_flags & CLONE_PARENT_SETTID)
3583 info.parent_tidptr = parent_tidptr;
3584
3585 ret = pthread_attr_init(&attr);
3586 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
3587 /* It is not safe to deliver signals until the child has finished
3588 initializing, so temporarily block all signals. */
3589 sigfillset(&sigmask);
3590 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3591
3592 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 3593 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 3594
3595 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3596 pthread_attr_destroy(&attr);
3597 if (ret == 0) {
3598 /* Wait for the child to initialize. */
3599 pthread_cond_wait(&info.cond, &info.mutex);
3600 ret = info.tid;
3601 if (flags & CLONE_PARENT_SETTID)
3602 put_user_u32(ret, parent_tidptr);
3603 } else {
3604 ret = -1;
3605 }
3606 pthread_mutex_unlock(&info.mutex);
3607 pthread_cond_destroy(&info.cond);
3608 pthread_mutex_destroy(&info.mutex);
3609 pthread_mutex_unlock(&clone_lock);
3610#else
3611 if (flags & CLONE_NPTL_FLAGS2)
3612 return -EINVAL;
3613 /* This is probably going to die very quickly, but do it anyway. */
27725c1d 3614#ifdef __ia64__
fd4a43e4 3615 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 3616#else
3617 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 3618#endif
27725c1d 3619#endif
1b6b029e
FB		 3620 } else {
3621 /* if no CLONE_VM, we consider it is a fork */
d865bab5 3622 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 3623 return -EINVAL;
d865bab5 3624 fork_start();
1b6b029e 3625 ret = fork();
d865bab5 3626 if (ret == 0) {
2b1319c8 3627 /* Child Process. */
d865bab5
PB		 3628 cpu_clone_regs(env, newsp);
3629 fork_end(1);
2f7bb878 3630#if defined(CONFIG_USE_NPTL)
2b1319c8
AJ		 3631 /* There is a race condition here. The parent process could
3632 theoretically read the TID in the child process before the child
3633 tid is set. This would require using either ptrace
3634 (not implemented) or having *_tidptr to point at a shared memory
3635 mapping. We can't repeat the spinlock hack used above because
3636 the child process gets its own copy of the lock. */
d865bab5
PB		 3637 if (flags & CLONE_CHILD_SETTID)
3638 put_user_u32(gettid(), child_tidptr);
3639 if (flags & CLONE_PARENT_SETTID)
3640 put_user_u32(gettid(), parent_tidptr);
3641 ts = (TaskState *)env->opaque;
3642 if (flags & CLONE_SETTLS)
3643 cpu_set_tls (env, newtls);
c2764719
PB		 3644 if (flags & CLONE_CHILD_CLEARTID)
3645 ts->child_tidptr = child_tidptr;
2b1319c8 3646#endif
d865bab5
PB		 3647 } else {
3648 fork_end(0);
3649 }
1b6b029e
FB		 3650 }
3651 return ret;
3652}
3653
5f106811
APR		 3654/* warning : doesn't handle linux specific flags... */
3655static int target_to_host_fcntl_cmd(int cmd)
3656{
3657 switch(cmd) {
3658 case TARGET_F_DUPFD:
3659 case TARGET_F_GETFD:
3660 case TARGET_F_SETFD:
3661 case TARGET_F_GETFL:
3662 case TARGET_F_SETFL:
3663 return cmd;
3664 case TARGET_F_GETLK:
3665 return F_GETLK;
3666 case TARGET_F_SETLK:
3667 return F_SETLK;
3668 case TARGET_F_SETLKW:
3669 return F_SETLKW;
3670 case TARGET_F_GETOWN:
3671 return F_GETOWN;
3672 case TARGET_F_SETOWN:
3673 return F_SETOWN;
3674 case TARGET_F_GETSIG:
3675 return F_GETSIG;
3676 case TARGET_F_SETSIG:
3677 return F_SETSIG;
3678#if TARGET_ABI_BITS == 32
3679 case TARGET_F_GETLK64:
3680 return F_GETLK64;
3681 case TARGET_F_SETLK64:
3682 return F_SETLK64;
3683 case TARGET_F_SETLKW64:
3684 return F_SETLKW64;
3685#endif
7e22e546
UH		 3686 case TARGET_F_SETLEASE:
3687 return F_SETLEASE;
3688 case TARGET_F_GETLEASE:
3689 return F_GETLEASE;
3690 case TARGET_F_DUPFD_CLOEXEC:
3691 return F_DUPFD_CLOEXEC;
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) {
4258 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
4259 goto efault;
4260 host_to_target_siginfo(p, &info);
4261 unlock_user(p, arg3, sizeof(target_siginfo_t));
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 }
579a97f7
FB		 4891 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
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) {
579a97f7
FB		 4902 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4903 goto efault;
53a5960a
PB		 4904 host_to_target_old_sigset(p, &oldset);
4905 unlock_user(p, arg3, sizeof(target_sigset_t));
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 }
579a97f7
FB		 4930 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
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) {
579a97f7
FB		 4941 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4942 goto efault;
53a5960a
PB		 4943 host_to_target_sigset(p, &oldset);
4944 unlock_user(p, arg3, sizeof(target_sigset_t));
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)) {
579a97f7
FB		 4954 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4955 goto efault;
53a5960a
PB		 4956 host_to_target_old_sigset(p, &set);
4957 unlock_user(p, arg1, sizeof(target_sigset_t));
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)) {
579a97f7
FB		 4967 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4968 goto efault;
53a5960a
PB		 4969 host_to_target_sigset(p, &set);
4970 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 4971 }
4972 }
4973 break;
e5febef5 4974#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 4975 case TARGET_NR_sigsuspend:
4976 {
4977 sigset_t set;
579a97f7
FB		 4978 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
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;
579a97f7
FB		 4989 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
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
579a97f7
FB		 5002 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
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) {
e1e3f30b 5014 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 5015 goto efault;
53a5960a 5016 host_to_target_siginfo(p, &uinfo);
e1e3f30b 5017 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 5018 }
5019 }
5020 break;
5021 case TARGET_NR_rt_sigqueueinfo:
5022 {
5023 siginfo_t uinfo;
579a97f7
FB		 5024 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
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;
d2fd1af7
FB		 5534 __put_user(st.st_dev, &target_st->st_dev);
5535 __put_user(st.st_ino, &target_st->st_ino);
5536 __put_user(st.st_mode, &target_st->st_mode);
5537 __put_user(st.st_uid, &target_st->st_uid);
5538 __put_user(st.st_gid, &target_st->st_gid);
5539 __put_user(st.st_nlink, &target_st->st_nlink);
5540 __put_user(st.st_rdev, &target_st->st_rdev);
5541 __put_user(st.st_size, &target_st->st_size);
5542 __put_user(st.st_blksize, &target_st->st_blksize);
5543 __put_user(st.st_blocks, &target_st->st_blocks);
5544 __put_user(st.st_atime, &target_st->target_st_atime);
5545 __put_user(st.st_mtime, &target_st->target_st_mtime);
5546 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 5547 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 5548 }
5549 }
5550 break;
ebc05488 5551#ifdef TARGET_NR_olduname
31e31b8a
FB		 5552 case TARGET_NR_olduname:
5553 goto unimplemented;
ebc05488
FB		 5554#endif
5555#ifdef TARGET_NR_iopl
31e31b8a
FB		 5556 case TARGET_NR_iopl:
5557 goto unimplemented;
ebc05488 5558#endif
31e31b8a
FB		 5559 case TARGET_NR_vhangup:
5560 ret = get_errno(vhangup());
5561 break;
ebc05488 5562#ifdef TARGET_NR_idle
31e31b8a
FB		 5563 case TARGET_NR_idle:
5564 goto unimplemented;
42ad6ae9
FB		 5565#endif
5566#ifdef TARGET_NR_syscall
5567 case TARGET_NR_syscall:
5568 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5569 break;
ebc05488 5570#endif
31e31b8a
FB		 5571 case TARGET_NR_wait4:
5572 {
5573 int status;
992f48a0 5574 abi_long status_ptr = arg2;
31e31b8a 5575 struct rusage rusage, *rusage_ptr;
992f48a0 5576 abi_ulong target_rusage = arg4;
31e31b8a
FB		 5577 if (target_rusage)
5578 rusage_ptr = &rusage;
5579 else
5580 rusage_ptr = NULL;
5581 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5582 if (!is_error(ret)) {
2f619698 5583 if (status_ptr) {
1d9d8b55 5584 status = host_to_target_waitstatus(status);
2f619698
FB		 5585 if (put_user_s32(status, status_ptr))
5586 goto efault;
31e31b8a 5587 }
2f619698
FB		 5588 if (target_rusage)
5589 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 5590 }
5591 }
5592 break;
e5febef5 5593#ifdef TARGET_NR_swapoff
31e31b8a 5594 case TARGET_NR_swapoff:
579a97f7
FB		 5595 if (!(p = lock_user_string(arg1)))
5596 goto efault;
53a5960a
PB		 5597 ret = get_errno(swapoff(p));
5598 unlock_user(p, arg1, 0);
31e31b8a 5599 break;
e5febef5 5600#endif
31e31b8a 5601 case TARGET_NR_sysinfo:
a5448a7d 5602 {
53a5960a 5603 struct target_sysinfo *target_value;
a5448a7d
FB		 5604 struct sysinfo value;
5605 ret = get_errno(sysinfo(&value));
53a5960a 5606 if (!is_error(ret) && arg1)
a5448a7d 5607 {
579a97f7
FB		 5608 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5609 goto efault;
a5448a7d
FB		 5610 __put_user(value.uptime, &target_value->uptime);
5611 __put_user(value.loads[0], &target_value->loads[0]);
5612 __put_user(value.loads[1], &target_value->loads[1]);
5613 __put_user(value.loads[2], &target_value->loads[2]);
5614 __put_user(value.totalram, &target_value->totalram);
5615 __put_user(value.freeram, &target_value->freeram);
5616 __put_user(value.sharedram, &target_value->sharedram);
5617 __put_user(value.bufferram, &target_value->bufferram);
5618 __put_user(value.totalswap, &target_value->totalswap);
5619 __put_user(value.freeswap, &target_value->freeswap);
5620 __put_user(value.procs, &target_value->procs);
5621 __put_user(value.totalhigh, &target_value->totalhigh);
5622 __put_user(value.freehigh, &target_value->freehigh);
5623 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 5624 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 5625 }
5626 }
5627 break;
e5febef5 5628#ifdef TARGET_NR_ipc
31e31b8a 5629 case TARGET_NR_ipc:
8853f86e
FB		 5630 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5631 break;
e5febef5 5632#endif
e5289087
AJ		 5633#ifdef TARGET_NR_semget
5634 case TARGET_NR_semget:
5635 ret = get_errno(semget(arg1, arg2, arg3));
5636 break;
5637#endif
5638#ifdef TARGET_NR_semop
5639 case TARGET_NR_semop:
5640 ret = get_errno(do_semop(arg1, arg2, arg3));
5641 break;
5642#endif
5643#ifdef TARGET_NR_semctl
5644 case TARGET_NR_semctl:
5645 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5646 break;
5647#endif
eeb438c1
AJ		 5648#ifdef TARGET_NR_msgctl
5649 case TARGET_NR_msgctl:
5650 ret = do_msgctl(arg1, arg2, arg3);
5651 break;
5652#endif
5653#ifdef TARGET_NR_msgget
5654 case TARGET_NR_msgget:
5655 ret = get_errno(msgget(arg1, arg2));
5656 break;
5657#endif
5658#ifdef TARGET_NR_msgrcv
5659 case TARGET_NR_msgrcv:
5660 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5661 break;
5662#endif
5663#ifdef TARGET_NR_msgsnd
5664 case TARGET_NR_msgsnd:
5665 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5666 break;
88a8c984
RV		 5667#endif
5668#ifdef TARGET_NR_shmget
5669 case TARGET_NR_shmget:
5670 ret = get_errno(shmget(arg1, arg2, arg3));
5671 break;
5672#endif
5673#ifdef TARGET_NR_shmctl
5674 case TARGET_NR_shmctl:
5675 ret = do_shmctl(arg1, arg2, arg3);
5676 break;
5677#endif
5678#ifdef TARGET_NR_shmat
5679 case TARGET_NR_shmat:
5680 ret = do_shmat(arg1, arg2, arg3);
5681 break;
5682#endif
5683#ifdef TARGET_NR_shmdt
5684 case TARGET_NR_shmdt:
5685 ret = do_shmdt(arg1);
5686 break;
eeb438c1 5687#endif
31e31b8a
FB		 5688 case TARGET_NR_fsync:
5689 ret = get_errno(fsync(arg1));
5690 break;
31e31b8a 5691 case TARGET_NR_clone:
0b6d3ae0
AJ		 5692#if defined(TARGET_SH4)
5693 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 5694#elif defined(TARGET_CRIS)
5695 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
0b6d3ae0 5696#else
d865bab5 5697 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 5698#endif
1b6b029e 5699 break;
ec86b0fb
FB		 5700#ifdef __NR_exit_group
5701 /* new thread calls */
5702 case TARGET_NR_exit_group:
9788c9ca 5703#ifdef TARGET_GPROF
6d946cda
AJ		 5704 _mcleanup();
5705#endif
e9009676 5706 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 5707 ret = get_errno(exit_group(arg1));
5708 break;
5709#endif
31e31b8a 5710 case TARGET_NR_setdomainname:
579a97f7
FB		 5711 if (!(p = lock_user_string(arg1)))
5712 goto efault;
53a5960a
PB		 5713 ret = get_errno(setdomainname(p, arg2));
5714 unlock_user(p, arg1, 0);
31e31b8a
FB		 5715 break;
5716 case TARGET_NR_uname:
5717 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 5718 {
5719 struct new_utsname * buf;
3b46e624 5720
579a97f7
FB		 5721 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5722 goto efault;
29e619b1
FB		 5723 ret = get_errno(sys_uname(buf));
5724 if (!is_error(ret)) {
5725 /* Overrite the native machine name with whatever is being
5726 emulated. */
5727 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 5728 /* Allow the user to override the reported release. */
5729 if (qemu_uname_release && *qemu_uname_release)
5730 strcpy (buf->release, qemu_uname_release);
29e619b1 5731 }
53a5960a 5732 unlock_user_struct(buf, arg1, 1);
29e619b1 5733 }
31e31b8a 5734 break;
6dbad63e 5735#ifdef TARGET_I386
31e31b8a 5736 case TARGET_NR_modify_ldt:
03acab66 5737 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 5738 break;
84409ddb 5739#if !defined(TARGET_X86_64)
5cd4393b
FB		 5740 case TARGET_NR_vm86old:
5741 goto unimplemented;
5742 case TARGET_NR_vm86:
53a5960a 5743 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 5744 break;
84409ddb 5745#endif
6dbad63e 5746#endif
31e31b8a
FB		 5747 case TARGET_NR_adjtimex:
5748 goto unimplemented;
e5febef5 5749#ifdef TARGET_NR_create_module
31e31b8a 5750 case TARGET_NR_create_module:
e5febef5 5751#endif
31e31b8a
FB		 5752 case TARGET_NR_init_module:
5753 case TARGET_NR_delete_module:
e5febef5 5754#ifdef TARGET_NR_get_kernel_syms
31e31b8a 5755 case TARGET_NR_get_kernel_syms:
e5febef5 5756#endif
31e31b8a
FB		 5757 goto unimplemented;
5758 case TARGET_NR_quotactl:
5759 goto unimplemented;
5760 case TARGET_NR_getpgid:
5761 ret = get_errno(getpgid(arg1));
5762 break;
5763 case TARGET_NR_fchdir:
5764 ret = get_errno(fchdir(arg1));
5765 break;
84409ddb 5766#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 5767 case TARGET_NR_bdflush:
5768 goto unimplemented;
84409ddb 5769#endif
e5febef5 5770#ifdef TARGET_NR_sysfs
31e31b8a
FB		 5771 case TARGET_NR_sysfs:
5772 goto unimplemented;
e5febef5 5773#endif
31e31b8a 5774 case TARGET_NR_personality:
1b6b029e 5775 ret = get_errno(personality(arg1));
31e31b8a 5776 break;
e5febef5 5777#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 5778 case TARGET_NR_afs_syscall:
5779 goto unimplemented;
e5febef5 5780#endif
7a3148a9 5781#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 5782 case TARGET_NR__llseek:
5783 {
4f2ac237
FB		 5784#if defined (__x86_64__)
5785 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2f619698
FB		 5786 if (put_user_s64(ret, arg4))
5787 goto efault;
4f2ac237 5788#else
31e31b8a
FB		 5789 int64_t res;
5790 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2f619698
FB		 5791 if (put_user_s64(res, arg4))
5792 goto efault;
4f2ac237 5793#endif
31e31b8a
FB		 5794 }
5795 break;
7a3148a9 5796#endif
31e31b8a 5797 case TARGET_NR_getdents:
992f48a0 5798#if TARGET_ABI_BITS != 32
53a5960a 5799 goto unimplemented;
992f48a0 5800#elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 5801 {
53a5960a 5802 struct target_dirent *target_dirp;
6556a833 5803 struct linux_dirent *dirp;
992f48a0 5804 abi_long count = arg3;
4add45b4
FB		 5805
5806 dirp = malloc(count);
0da46a6e 5807 if (!dirp) {
579a97f7 5808 ret = -TARGET_ENOMEM;
0da46a6e
TS		 5809 goto fail;
5810 }
3b46e624 5811
4add45b4
FB		 5812 ret = get_errno(sys_getdents(arg1, dirp, count));
5813 if (!is_error(ret)) {
6556a833 5814 struct linux_dirent *de;
4add45b4
FB		 5815 struct target_dirent *tde;
5816 int len = ret;
5817 int reclen, treclen;
5818 int count1, tnamelen;
5819
5820 count1 = 0;
5821 de = dirp;
579a97f7
FB		 5822 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5823 goto efault;
4add45b4
FB		 5824 tde = target_dirp;
5825 while (len > 0) {
5826 reclen = de->d_reclen;
992f48a0 5827 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4
FB		 5828 tde->d_reclen = tswap16(treclen);
5829 tde->d_ino = tswapl(de->d_ino);
5830 tde->d_off = tswapl(de->d_off);
992f48a0 5831 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 5832 if (tnamelen > 256)
5833 tnamelen = 256;
80a9d035 5834 /* XXX: may not be correct */
be15b141 5835 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 5836 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 5837 len -= reclen;
1c5bf3bf 5838 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 5839 count1 += treclen;
5840 }
5841 ret = count1;
579a97f7 5842 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 5843 }
5844 free(dirp);
5845 }
5846#else
31e31b8a 5847 {
6556a833 5848 struct linux_dirent *dirp;
992f48a0 5849 abi_long count = arg3;
dab2ed99 5850
579a97f7
FB		 5851 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5852 goto efault;
72f03900 5853 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 5854 if (!is_error(ret)) {
6556a833 5855 struct linux_dirent *de;
31e31b8a
FB		 5856 int len = ret;
5857 int reclen;
5858 de = dirp;
5859 while (len > 0) {
8083a3e5 5860 reclen = de->d_reclen;
31e31b8a
FB		 5861 if (reclen > len)
5862 break;
8083a3e5 5863 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 5864 tswapls(&de->d_ino);
5865 tswapls(&de->d_off);
6556a833 5866 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 5867 len -= reclen;
5868 }
5869 }
53a5960a 5870 unlock_user(dirp, arg2, ret);
31e31b8a 5871 }
4add45b4 5872#endif
31e31b8a 5873 break;
3ae43202 5874#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 5875 case TARGET_NR_getdents64:
5876 {
6556a833 5877 struct linux_dirent64 *dirp;
992f48a0 5878 abi_long count = arg3;
579a97f7
FB		 5879 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5880 goto efault;
dab2ed99
FB		 5881 ret = get_errno(sys_getdents64(arg1, dirp, count));
5882 if (!is_error(ret)) {
6556a833 5883 struct linux_dirent64 *de;
dab2ed99
FB		 5884 int len = ret;
5885 int reclen;
5886 de = dirp;
5887 while (len > 0) {
8083a3e5 5888 reclen = de->d_reclen;
dab2ed99
FB		 5889 if (reclen > len)
5890 break;
8083a3e5 5891 de->d_reclen = tswap16(reclen);
8582a53a
FB		 5892 tswap64s((uint64_t *)&de->d_ino);
5893 tswap64s((uint64_t *)&de->d_off);
6556a833 5894 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 5895 len -= reclen;
5896 }
5897 }
53a5960a 5898 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 5899 }
5900 break;
a541f297 5901#endif /* TARGET_NR_getdents64 */
e5febef5 5902#ifdef TARGET_NR__newselect
31e31b8a 5903 case TARGET_NR__newselect:
53a5960a 5904 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 5905 break;
e5febef5
TS		 5906#endif
5907#ifdef TARGET_NR_poll
9de5e440
FB		 5908 case TARGET_NR_poll:
5909 {
53a5960a 5910 struct target_pollfd *target_pfd;
9de5e440
FB		 5911 unsigned int nfds = arg2;
5912 int timeout = arg3;
5913 struct pollfd *pfd;
7854b056 5914 unsigned int i;
9de5e440 5915
579a97f7
FB		 5916 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5917 if (!target_pfd)
5918 goto efault;
9de5e440
FB		 5919 pfd = alloca(sizeof(struct pollfd) * nfds);
5920 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 5921 pfd[i].fd = tswap32(target_pfd[i].fd);
5922 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 5923 }
5924 ret = get_errno(poll(pfd, nfds, timeout));
5925 if (!is_error(ret)) {
5926 for(i = 0; i < nfds; i++) {
5cd4393b 5927 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 5928 }
53a5960a
PB		 5929 ret += nfds * (sizeof(struct target_pollfd)
5930 - sizeof(struct pollfd));
9de5e440 5931 }
53a5960a 5932 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 5933 }
5934 break;
e5febef5 5935#endif
31e31b8a 5936 case TARGET_NR_flock:
9de5e440
FB		 5937 /* NOTE: the flock constant seems to be the same for every
5938 Linux platform */
5939 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 5940 break;
5941 case TARGET_NR_readv:
5942 {
5943 int count = arg3;
31e31b8a 5944 struct iovec *vec;
31e31b8a
FB		 5945
5946 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 5947 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
5948 goto efault;
31e31b8a 5949 ret = get_errno(readv(arg1, vec, count));
53a5960a 5950 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 5951 }
5952 break;
5953 case TARGET_NR_writev:
5954 {
5955 int count = arg3;
31e31b8a 5956 struct iovec *vec;
31e31b8a
FB		 5957
5958 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 5959 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
5960 goto efault;
31e31b8a 5961 ret = get_errno(writev(arg1, vec, count));
53a5960a 5962 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 5963 }
5964 break;
5965 case TARGET_NR_getsid:
5966 ret = get_errno(getsid(arg1));
5967 break;
7a3148a9 5968#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 5969 case TARGET_NR_fdatasync:
5cd4393b
FB		 5970 ret = get_errno(fdatasync(arg1));
5971 break;
7a3148a9 5972#endif
31e31b8a 5973 case TARGET_NR__sysctl:
0da46a6e 5974 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 5975 return value. */
0da46a6e
TS		 5976 ret = -TARGET_ENOTDIR;
5977 break;
31e31b8a 5978 case TARGET_NR_sched_setparam:
5cd4393b 5979 {
53a5960a 5980 struct sched_param *target_schp;
5cd4393b 5981 struct sched_param schp;
53a5960a 5982
579a97f7
FB		 5983 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
5984 goto efault;
5cd4393b 5985 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 5986 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 5987 ret = get_errno(sched_setparam(arg1, &schp));
5988 }
5989 break;
31e31b8a 5990 case TARGET_NR_sched_getparam:
5cd4393b 5991 {
53a5960a 5992 struct sched_param *target_schp;
5cd4393b
FB		 5993 struct sched_param schp;
5994 ret = get_errno(sched_getparam(arg1, &schp));
5995 if (!is_error(ret)) {
579a97f7
FB		 5996 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
5997 goto efault;
5cd4393b 5998 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 5999 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 6000 }
6001 }
6002 break;
31e31b8a 6003 case TARGET_NR_sched_setscheduler:
5cd4393b 6004 {
53a5960a 6005 struct sched_param *target_schp;
5cd4393b 6006 struct sched_param schp;
579a97f7
FB		 6007 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
6008 goto efault;
5cd4393b 6009 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 6010 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 6011 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
6012 }
6013 break;
31e31b8a 6014 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 6015 ret = get_errno(sched_getscheduler(arg1));
6016 break;
31e31b8a
FB		 6017 case TARGET_NR_sched_yield:
6018 ret = get_errno(sched_yield());
6019 break;
6020 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 6021 ret = get_errno(sched_get_priority_max(arg1));
6022 break;
31e31b8a 6023 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 6024 ret = get_errno(sched_get_priority_min(arg1));
6025 break;
31e31b8a 6026 case TARGET_NR_sched_rr_get_interval:
5cd4393b 6027 {
5cd4393b
FB		 6028 struct timespec ts;
6029 ret = get_errno(sched_rr_get_interval(arg1, &ts));
6030 if (!is_error(ret)) {
53a5960a 6031 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 6032 }
6033 }
6034 break;
31e31b8a 6035 case TARGET_NR_nanosleep:
1b6b029e 6036 {
1b6b029e 6037 struct timespec req, rem;
53a5960a 6038 target_to_host_timespec(&req, arg1);
1b6b029e 6039 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 6040 if (is_error(ret) && arg2) {
6041 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 6042 }
6043 }
6044 break;
e5febef5 6045#ifdef TARGET_NR_query_module
31e31b8a 6046 case TARGET_NR_query_module:
5cd4393b 6047 goto unimplemented;
e5febef5
TS		 6048#endif
6049#ifdef TARGET_NR_nfsservctl
31e31b8a 6050 case TARGET_NR_nfsservctl:
5cd4393b 6051 goto unimplemented;
e5febef5 6052#endif
31e31b8a 6053 case TARGET_NR_prctl:
e5574487
TS		 6054 switch (arg1)
6055 {
6056 case PR_GET_PDEATHSIG:
6057 {
6058 int deathsig;
6059 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 6060 if (!is_error(ret) && arg2
6061 && put_user_ual(deathsig, arg2))
6062 goto efault;
e5574487
TS		 6063 }
6064 break;
6065 default:
6066 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6067 break;
6068 }
39b9aae1 6069 break;
d2fd1af7
FB		 6070#ifdef TARGET_NR_arch_prctl
6071 case TARGET_NR_arch_prctl:
6072#if defined(TARGET_I386) && !defined(TARGET_ABI32)
6073 ret = do_arch_prctl(cpu_env, arg1, arg2);
6074 break;
6075#else
6076 goto unimplemented;
6077#endif
6078#endif
67867308 6079#ifdef TARGET_NR_pread
31e31b8a 6080 case TARGET_NR_pread:
a4ae00bc
AZ		 6081#ifdef TARGET_ARM
6082 if (((CPUARMState *)cpu_env)->eabi)
6083 arg4 = arg5;
6084#endif
579a97f7
FB		 6085 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6086 goto efault;
53a5960a
PB		 6087 ret = get_errno(pread(arg1, p, arg3, arg4));
6088 unlock_user(p, arg2, ret);
206f0fa7 6089 break;
31e31b8a 6090 case TARGET_NR_pwrite:
a4ae00bc
AZ		 6091#ifdef TARGET_ARM
6092 if (((CPUARMState *)cpu_env)->eabi)
6093 arg4 = arg5;
6094#endif
579a97f7
FB		 6095 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6096 goto efault;
53a5960a
PB		 6097 ret = get_errno(pwrite(arg1, p, arg3, arg4));
6098 unlock_user(p, arg2, 0);
206f0fa7 6099 break;
f2c7ba15
AJ		 6100#endif
6101#ifdef TARGET_NR_pread64
6102 case TARGET_NR_pread64:
6103 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6104 goto efault;
6105 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6106 unlock_user(p, arg2, ret);
6107 break;
6108 case TARGET_NR_pwrite64:
6109 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6110 goto efault;
6111 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6112 unlock_user(p, arg2, 0);
6113 break;
67867308 6114#endif
31e31b8a 6115 case TARGET_NR_getcwd:
579a97f7
FB		 6116 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6117 goto efault;
53a5960a
PB		 6118 ret = get_errno(sys_getcwd1(p, arg2));
6119 unlock_user(p, arg1, ret);
31e31b8a
FB		 6120 break;
6121 case TARGET_NR_capget:
5cd4393b 6122 goto unimplemented;
31e31b8a 6123 case TARGET_NR_capset:
5cd4393b 6124 goto unimplemented;
31e31b8a 6125 case TARGET_NR_sigaltstack:
198a74de 6126#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
c761c154
LV		 6127 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA) || \
6128 defined(TARGET_M68K)
579a97f7 6129 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
a04e134a
TS		 6130 break;
6131#else
5cd4393b 6132 goto unimplemented;
a04e134a 6133#endif
31e31b8a 6134 case TARGET_NR_sendfile:
5cd4393b 6135 goto unimplemented;
ebc05488 6136#ifdef TARGET_NR_getpmsg
31e31b8a 6137 case TARGET_NR_getpmsg:
5cd4393b 6138 goto unimplemented;
ebc05488
FB		 6139#endif
6140#ifdef TARGET_NR_putpmsg
31e31b8a 6141 case TARGET_NR_putpmsg:
5cd4393b 6142 goto unimplemented;
ebc05488 6143#endif
048f6b4d 6144#ifdef TARGET_NR_vfork
31e31b8a 6145 case TARGET_NR_vfork:
d865bab5
PB		 6146 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6147 0, 0, 0, 0));
31e31b8a 6148 break;
048f6b4d 6149#endif
ebc05488 6150#ifdef TARGET_NR_ugetrlimit
31e31b8a 6151 case TARGET_NR_ugetrlimit:
728584be
FB		 6152 {
6153 struct rlimit rlim;
6154 ret = get_errno(getrlimit(arg1, &rlim));
6155 if (!is_error(ret)) {
53a5960a 6156 struct target_rlimit *target_rlim;
579a97f7
FB		 6157 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6158 goto efault;
728584be
FB		 6159 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
6160 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 6161 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 6162 }
6163 break;
6164 }
ebc05488 6165#endif
a315a145 6166#ifdef TARGET_NR_truncate64
31e31b8a 6167 case TARGET_NR_truncate64:
579a97f7
FB		 6168 if (!(p = lock_user_string(arg1)))
6169 goto efault;
53a5960a
PB		 6170 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6171 unlock_user(p, arg1, 0);
667f38b1 6172 break;
a315a145
FB		 6173#endif
6174#ifdef TARGET_NR_ftruncate64
31e31b8a 6175 case TARGET_NR_ftruncate64:
ce4defa0 6176 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 6177 break;
a315a145
FB		 6178#endif
6179#ifdef TARGET_NR_stat64
31e31b8a 6180 case TARGET_NR_stat64:
579a97f7
FB		 6181 if (!(p = lock_user_string(arg1)))
6182 goto efault;
53a5960a
PB		 6183 ret = get_errno(stat(path(p), &st));
6184 unlock_user(p, arg1, 0);
6a24a778
AZ		 6185 if (!is_error(ret))
6186 ret = host_to_target_stat64(cpu_env, arg2, &st);
6187 break;
a315a145
FB		 6188#endif
6189#ifdef TARGET_NR_lstat64
31e31b8a 6190 case TARGET_NR_lstat64:
579a97f7
FB		 6191 if (!(p = lock_user_string(arg1)))
6192 goto efault;
53a5960a
PB		 6193 ret = get_errno(lstat(path(p), &st));
6194 unlock_user(p, arg1, 0);
6a24a778
AZ		 6195 if (!is_error(ret))
6196 ret = host_to_target_stat64(cpu_env, arg2, &st);
6197 break;
a315a145
FB		 6198#endif
6199#ifdef TARGET_NR_fstat64
31e31b8a 6200 case TARGET_NR_fstat64:
6a24a778
AZ		 6201 ret = get_errno(fstat(arg1, &st));
6202 if (!is_error(ret))
6203 ret = host_to_target_stat64(cpu_env, arg2, &st);
6204 break;
ce4defa0 6205#endif
9d33b76b
AJ		 6206#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6207 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6208#ifdef TARGET_NR_fstatat64
6a24a778 6209 case TARGET_NR_fstatat64:
9d33b76b
AJ		 6210#endif
6211#ifdef TARGET_NR_newfstatat
6212 case TARGET_NR_newfstatat:
6213#endif
6a24a778
AZ		 6214 if (!(p = lock_user_string(arg2)))
6215 goto efault;
9d33b76b 6216#ifdef __NR_fstatat64
6a24a778 6217 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 6218#else
6219 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6220#endif
6a24a778
AZ		 6221 if (!is_error(ret))
6222 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 6223 break;
a315a145 6224#endif
67867308
FB		 6225#ifdef USE_UID16
6226 case TARGET_NR_lchown:
579a97f7
FB		 6227 if (!(p = lock_user_string(arg1)))
6228 goto efault;
53a5960a
PB		 6229 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6230 unlock_user(p, arg1, 0);
67867308
FB		 6231 break;
6232 case TARGET_NR_getuid:
6233 ret = get_errno(high2lowuid(getuid()));
6234 break;
6235 case TARGET_NR_getgid:
6236 ret = get_errno(high2lowgid(getgid()));
6237 break;
6238 case TARGET_NR_geteuid:
6239 ret = get_errno(high2lowuid(geteuid()));
6240 break;
6241 case TARGET_NR_getegid:
6242 ret = get_errno(high2lowgid(getegid()));
6243 break;
6244 case TARGET_NR_setreuid:
6245 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6246 break;
6247 case TARGET_NR_setregid:
6248 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6249 break;
6250 case TARGET_NR_getgroups:
6251 {
6252 int gidsetsize = arg1;
53a5960a 6253 uint16_t *target_grouplist;
67867308
FB		 6254 gid_t *grouplist;
6255 int i;
6256
6257 grouplist = alloca(gidsetsize * sizeof(gid_t));
6258 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6259 if (gidsetsize == 0)
6260 break;
67867308 6261 if (!is_error(ret)) {
579a97f7
FB		 6262 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6263 if (!target_grouplist)
6264 goto efault;
a2155fcc 6265 for(i = 0;i < ret; i++)
67867308 6266 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 6267 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 6268 }
6269 }
6270 break;
6271 case TARGET_NR_setgroups:
6272 {
6273 int gidsetsize = arg1;
53a5960a 6274 uint16_t *target_grouplist;
67867308
FB		 6275 gid_t *grouplist;
6276 int i;
6277
6278 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6279 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6280 if (!target_grouplist) {
6281 ret = -TARGET_EFAULT;
6282 goto fail;
6283 }
67867308
FB		 6284 for(i = 0;i < gidsetsize; i++)
6285 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 6286 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 6287 ret = get_errno(setgroups(gidsetsize, grouplist));
6288 }
6289 break;
6290 case TARGET_NR_fchown:
6291 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6292 break;
ccfa72b7
TS		 6293#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6294 case TARGET_NR_fchownat:
579a97f7
FB		 6295 if (!(p = lock_user_string(arg2)))
6296 goto efault;
6297 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6298 unlock_user(p, arg2, 0);
ccfa72b7
TS		 6299 break;
6300#endif
67867308
FB		 6301#ifdef TARGET_NR_setresuid
6302 case TARGET_NR_setresuid:
5fafdf24
TS		 6303 ret = get_errno(setresuid(low2highuid(arg1),
6304 low2highuid(arg2),
67867308
FB		 6305 low2highuid(arg3)));
6306 break;
6307#endif
6308#ifdef TARGET_NR_getresuid
6309 case TARGET_NR_getresuid:
6310 {
53a5960a 6311 uid_t ruid, euid, suid;
67867308
FB		 6312 ret = get_errno(getresuid(&ruid, &euid, &suid));
6313 if (!is_error(ret)) {
2f619698
FB		 6314 if (put_user_u16(high2lowuid(ruid), arg1)
6315 || put_user_u16(high2lowuid(euid), arg2)
6316 || put_user_u16(high2lowuid(suid), arg3))
6317 goto efault;
67867308
FB		 6318 }
6319 }
6320 break;
6321#endif
6322#ifdef TARGET_NR_getresgid
6323 case TARGET_NR_setresgid:
5fafdf24
TS		 6324 ret = get_errno(setresgid(low2highgid(arg1),
6325 low2highgid(arg2),
67867308
FB		 6326 low2highgid(arg3)));
6327 break;
6328#endif
6329#ifdef TARGET_NR_getresgid
6330 case TARGET_NR_getresgid:
6331 {
53a5960a 6332 gid_t rgid, egid, sgid;
67867308
FB		 6333 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6334 if (!is_error(ret)) {
2f619698
FB		 6335 if (put_user_u16(high2lowgid(rgid), arg1)
6336 || put_user_u16(high2lowgid(egid), arg2)
6337 || put_user_u16(high2lowgid(sgid), arg3))
6338 goto efault;
67867308
FB		 6339 }
6340 }
6341 break;
6342#endif
6343 case TARGET_NR_chown:
579a97f7
FB		 6344 if (!(p = lock_user_string(arg1)))
6345 goto efault;
53a5960a
PB		 6346 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6347 unlock_user(p, arg1, 0);
67867308
FB		 6348 break;
6349 case TARGET_NR_setuid:
6350 ret = get_errno(setuid(low2highuid(arg1)));
6351 break;
6352 case TARGET_NR_setgid:
6353 ret = get_errno(setgid(low2highgid(arg1)));
6354 break;
6355 case TARGET_NR_setfsuid:
6356 ret = get_errno(setfsuid(arg1));
6357 break;
6358 case TARGET_NR_setfsgid:
6359 ret = get_errno(setfsgid(arg1));
6360 break;
6361#endif /* USE_UID16 */
6362
a315a145 6363#ifdef TARGET_NR_lchown32
31e31b8a 6364 case TARGET_NR_lchown32:
579a97f7
FB		 6365 if (!(p = lock_user_string(arg1)))
6366 goto efault;
53a5960a
PB		 6367 ret = get_errno(lchown(p, arg2, arg3));
6368 unlock_user(p, arg1, 0);
b03c60f3 6369 break;
a315a145
FB		 6370#endif
6371#ifdef TARGET_NR_getuid32
31e31b8a 6372 case TARGET_NR_getuid32:
b03c60f3
FB		 6373 ret = get_errno(getuid());
6374 break;
a315a145 6375#endif
64b4d28c
AJ		 6376
6377#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6378 /* Alpha specific */
6379 case TARGET_NR_getxuid:
6380 {
6381 uid_t euid;
6382 euid=geteuid();
6383 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6384 }
6385 ret = get_errno(getuid());
6386 break;
6387#endif
6388#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6389 /* Alpha specific */
6390 case TARGET_NR_getxgid:
6391 {
6392 uid_t egid;
6393 egid=getegid();
6394 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6395 }
6396 ret = get_errno(getgid());
6397 break;
6398#endif
6399
a315a145 6400#ifdef TARGET_NR_getgid32
31e31b8a 6401 case TARGET_NR_getgid32:
b03c60f3
FB		 6402 ret = get_errno(getgid());
6403 break;
a315a145
FB		 6404#endif
6405#ifdef TARGET_NR_geteuid32
31e31b8a 6406 case TARGET_NR_geteuid32:
b03c60f3
FB		 6407 ret = get_errno(geteuid());
6408 break;
a315a145
FB		 6409#endif
6410#ifdef TARGET_NR_getegid32
31e31b8a 6411 case TARGET_NR_getegid32:
b03c60f3
FB		 6412 ret = get_errno(getegid());
6413 break;
a315a145
FB		 6414#endif
6415#ifdef TARGET_NR_setreuid32
31e31b8a 6416 case TARGET_NR_setreuid32:
b03c60f3
FB		 6417 ret = get_errno(setreuid(arg1, arg2));
6418 break;
a315a145
FB		 6419#endif
6420#ifdef TARGET_NR_setregid32
31e31b8a 6421 case TARGET_NR_setregid32:
b03c60f3
FB		 6422 ret = get_errno(setregid(arg1, arg2));
6423 break;
a315a145
FB		 6424#endif
6425#ifdef TARGET_NR_getgroups32
31e31b8a 6426 case TARGET_NR_getgroups32:
99c475ab
FB		 6427 {
6428 int gidsetsize = arg1;
53a5960a 6429 uint32_t *target_grouplist;
99c475ab
FB		 6430 gid_t *grouplist;
6431 int i;
6432
6433 grouplist = alloca(gidsetsize * sizeof(gid_t));
6434 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6435 if (gidsetsize == 0)
6436 break;
99c475ab 6437 if (!is_error(ret)) {
579a97f7
FB		 6438 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6439 if (!target_grouplist) {
6440 ret = -TARGET_EFAULT;
6441 goto fail;
6442 }
a2155fcc 6443 for(i = 0;i < ret; i++)
53a5960a
PB		 6444 target_grouplist[i] = tswap32(grouplist[i]);
6445 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 6446 }
6447 }
6448 break;
a315a145
FB		 6449#endif
6450#ifdef TARGET_NR_setgroups32
31e31b8a 6451 case TARGET_NR_setgroups32:
99c475ab
FB		 6452 {
6453 int gidsetsize = arg1;
53a5960a 6454 uint32_t *target_grouplist;
99c475ab
FB		 6455 gid_t *grouplist;
6456 int i;
3b46e624 6457
99c475ab 6458 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6459 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6460 if (!target_grouplist) {
6461 ret = -TARGET_EFAULT;
6462 goto fail;
6463 }
99c475ab 6464 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 6465 grouplist[i] = tswap32(target_grouplist[i]);
6466 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 6467 ret = get_errno(setgroups(gidsetsize, grouplist));
6468 }
6469 break;
a315a145
FB		 6470#endif
6471#ifdef TARGET_NR_fchown32
31e31b8a 6472 case TARGET_NR_fchown32:
b03c60f3
FB		 6473 ret = get_errno(fchown(arg1, arg2, arg3));
6474 break;
a315a145
FB		 6475#endif
6476#ifdef TARGET_NR_setresuid32
31e31b8a 6477 case TARGET_NR_setresuid32:
b03c60f3
FB		 6478 ret = get_errno(setresuid(arg1, arg2, arg3));
6479 break;
a315a145
FB		 6480#endif
6481#ifdef TARGET_NR_getresuid32
31e31b8a 6482 case TARGET_NR_getresuid32:
b03c60f3 6483 {
53a5960a 6484 uid_t ruid, euid, suid;
b03c60f3
FB		 6485 ret = get_errno(getresuid(&ruid, &euid, &suid));
6486 if (!is_error(ret)) {
2f619698
FB		 6487 if (put_user_u32(ruid, arg1)
6488 || put_user_u32(euid, arg2)
6489 || put_user_u32(suid, arg3))
6490 goto efault;
b03c60f3
FB		 6491 }
6492 }
6493 break;
a315a145
FB		 6494#endif
6495#ifdef TARGET_NR_setresgid32
31e31b8a 6496 case TARGET_NR_setresgid32:
b03c60f3
FB		 6497 ret = get_errno(setresgid(arg1, arg2, arg3));
6498 break;
a315a145
FB		 6499#endif
6500#ifdef TARGET_NR_getresgid32
31e31b8a 6501 case TARGET_NR_getresgid32:
b03c60f3 6502 {
53a5960a 6503 gid_t rgid, egid, sgid;
b03c60f3
FB		 6504 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6505 if (!is_error(ret)) {
2f619698
FB		 6506 if (put_user_u32(rgid, arg1)
6507 || put_user_u32(egid, arg2)
6508 || put_user_u32(sgid, arg3))
6509 goto efault;
b03c60f3
FB		 6510 }
6511 }
6512 break;
a315a145
FB		 6513#endif
6514#ifdef TARGET_NR_chown32
31e31b8a 6515 case TARGET_NR_chown32:
579a97f7
FB		 6516 if (!(p = lock_user_string(arg1)))
6517 goto efault;
53a5960a
PB		 6518 ret = get_errno(chown(p, arg2, arg3));
6519 unlock_user(p, arg1, 0);
b03c60f3 6520 break;
a315a145
FB		 6521#endif
6522#ifdef TARGET_NR_setuid32
31e31b8a 6523 case TARGET_NR_setuid32:
b03c60f3
FB		 6524 ret = get_errno(setuid(arg1));
6525 break;
a315a145
FB		 6526#endif
6527#ifdef TARGET_NR_setgid32
31e31b8a 6528 case TARGET_NR_setgid32:
b03c60f3
FB		 6529 ret = get_errno(setgid(arg1));
6530 break;
a315a145
FB		 6531#endif
6532#ifdef TARGET_NR_setfsuid32
31e31b8a 6533 case TARGET_NR_setfsuid32:
b03c60f3
FB		 6534 ret = get_errno(setfsuid(arg1));
6535 break;
a315a145
FB		 6536#endif
6537#ifdef TARGET_NR_setfsgid32
31e31b8a 6538 case TARGET_NR_setfsgid32:
b03c60f3
FB		 6539 ret = get_errno(setfsgid(arg1));
6540 break;
a315a145 6541#endif
67867308 6542
31e31b8a 6543 case TARGET_NR_pivot_root:
b03c60f3 6544 goto unimplemented;
ffa65c3b 6545#ifdef TARGET_NR_mincore
31e31b8a 6546 case TARGET_NR_mincore:
04bb9ace
AJ		 6547 {
6548 void *a;
6549 ret = -TARGET_EFAULT;
6550 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6551 goto efault;
6552 if (!(p = lock_user_string(arg3)))
6553 goto mincore_fail;
6554 ret = get_errno(mincore(a, arg2, p));
6555 unlock_user(p, arg3, ret);
6556 mincore_fail:
6557 unlock_user(a, arg1, 0);
6558 }
6559 break;
ffa65c3b 6560#endif
408321b6
AJ		 6561#ifdef TARGET_NR_arm_fadvise64_64
6562 case TARGET_NR_arm_fadvise64_64:
6563 {
6564 /*
6565 * arm_fadvise64_64 looks like fadvise64_64 but
6566 * with different argument order
6567 */
6568 abi_long temp;
6569 temp = arg3;
6570 arg3 = arg4;
6571 arg4 = temp;
6572 }
6573#endif
6574#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
6575#ifdef TARGET_NR_fadvise64_64
6576 case TARGET_NR_fadvise64_64:
6577#endif
6578 /* This is a hint, so ignoring and returning success is ok. */
6579 ret = get_errno(0);
6580 break;
6581#endif
ffa65c3b 6582#ifdef TARGET_NR_madvise
31e31b8a 6583 case TARGET_NR_madvise:
24836689
PB		 6584 /* A straight passthrough may not be safe because qemu sometimes
6585 turns private flie-backed mappings into anonymous mappings.
6586 This will break MADV_DONTNEED.
6587 This is a hint, so ignoring and returning success is ok. */
6588 ret = get_errno(0);
6589 break;
ffa65c3b 6590#endif
992f48a0 6591#if TARGET_ABI_BITS == 32
31e31b8a 6592 case TARGET_NR_fcntl64:
77e4672d 6593 {
b1e341eb 6594 int cmd;
77e4672d 6595 struct flock64 fl;
53a5960a 6596 struct target_flock64 *target_fl;
ce4defa0 6597#ifdef TARGET_ARM
53a5960a 6598 struct target_eabi_flock64 *target_efl;
ce4defa0 6599#endif
77e4672d 6600
5f106811
APR		 6601 cmd = target_to_host_fcntl_cmd(arg2);
6602 if (cmd == -TARGET_EINVAL)
6603 return cmd;
b1e341eb 6604
60cd49d5 6605 switch(arg2) {
b1e341eb 6606 case TARGET_F_GETLK64:
5813427b
TS		 6607#ifdef TARGET_ARM
6608 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6609 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6610 goto efault;
5813427b
TS		 6611 fl.l_type = tswap16(target_efl->l_type);
6612 fl.l_whence = tswap16(target_efl->l_whence);
6613 fl.l_start = tswap64(target_efl->l_start);
6614 fl.l_len = tswap64(target_efl->l_len);
7e22e546 6615 fl.l_pid = tswap32(target_efl->l_pid);
5813427b
TS		 6616 unlock_user_struct(target_efl, arg3, 0);
6617 } else
6618#endif
6619 {
9ee1fa2c
FB		 6620 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6621 goto efault;
5813427b
TS		 6622 fl.l_type = tswap16(target_fl->l_type);
6623 fl.l_whence = tswap16(target_fl->l_whence);
6624 fl.l_start = tswap64(target_fl->l_start);
6625 fl.l_len = tswap64(target_fl->l_len);
7e22e546 6626 fl.l_pid = tswap32(target_fl->l_pid);
5813427b
TS		 6627 unlock_user_struct(target_fl, arg3, 0);
6628 }
b1e341eb 6629 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6630 if (ret == 0) {
ce4defa0
PB		 6631#ifdef TARGET_ARM
6632 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6633 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6634 goto efault;
ce4defa0
PB		 6635 target_efl->l_type = tswap16(fl.l_type);
6636 target_efl->l_whence = tswap16(fl.l_whence);
6637 target_efl->l_start = tswap64(fl.l_start);
6638 target_efl->l_len = tswap64(fl.l_len);
7e22e546 6639 target_efl->l_pid = tswap32(fl.l_pid);
53a5960a 6640 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 6641 } else
6642#endif
6643 {
9ee1fa2c
FB		 6644 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6645 goto efault;
ce4defa0
PB		 6646 target_fl->l_type = tswap16(fl.l_type);
6647 target_fl->l_whence = tswap16(fl.l_whence);
6648 target_fl->l_start = tswap64(fl.l_start);
6649 target_fl->l_len = tswap64(fl.l_len);
7e22e546 6650 target_fl->l_pid = tswap32(fl.l_pid);
53a5960a 6651 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 6652 }
77e4672d
FB		 6653 }
6654 break;
6655
b1e341eb
TS		 6656 case TARGET_F_SETLK64:
6657 case TARGET_F_SETLKW64:
ce4defa0
PB		 6658#ifdef TARGET_ARM
6659 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6660 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6661 goto efault;
ce4defa0
PB		 6662 fl.l_type = tswap16(target_efl->l_type);
6663 fl.l_whence = tswap16(target_efl->l_whence);
6664 fl.l_start = tswap64(target_efl->l_start);
6665 fl.l_len = tswap64(target_efl->l_len);
7e22e546 6666 fl.l_pid = tswap32(target_efl->l_pid);
53a5960a 6667 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 6668 } else
6669#endif
6670 {
9ee1fa2c
FB		 6671 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6672 goto efault;
ce4defa0
PB		 6673 fl.l_type = tswap16(target_fl->l_type);
6674 fl.l_whence = tswap16(target_fl->l_whence);
6675 fl.l_start = tswap64(target_fl->l_start);
6676 fl.l_len = tswap64(target_fl->l_len);
7e22e546 6677 fl.l_pid = tswap32(target_fl->l_pid);
53a5960a 6678 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 6679 }
b1e341eb 6680 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6681 break;
60cd49d5 6682 default:
5f106811 6683 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 6684 break;
6685 }
77e4672d
FB		 6686 break;
6687 }
60cd49d5 6688#endif
7d600c80
TS		 6689#ifdef TARGET_NR_cacheflush
6690 case TARGET_NR_cacheflush:
6691 /* self-modifying code is handled automatically, so nothing needed */
6692 ret = 0;
6693 break;
6694#endif
ebc05488 6695#ifdef TARGET_NR_security
31e31b8a
FB		 6696 case TARGET_NR_security:
6697 goto unimplemented;
c573ff67
FB		 6698#endif
6699#ifdef TARGET_NR_getpagesize
6700 case TARGET_NR_getpagesize:
6701 ret = TARGET_PAGE_SIZE;
6702 break;
ebc05488 6703#endif
31e31b8a
FB		 6704 case TARGET_NR_gettid:
6705 ret = get_errno(gettid());
6706 break;
e5febef5 6707#ifdef TARGET_NR_readahead
31e31b8a 6708 case TARGET_NR_readahead:
2054ac9b
AJ		 6709#if TARGET_ABI_BITS == 32
6710#ifdef TARGET_ARM
6711 if (((CPUARMState *)cpu_env)->eabi)
6712 {
6713 arg2 = arg3;
6714 arg3 = arg4;
6715 arg4 = arg5;
6716 }
6717#endif
6718 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
6719#else
6720 ret = get_errno(readahead(arg1, arg2, arg3));
6721#endif
6722 break;
e5febef5 6723#endif
ebc05488 6724#ifdef TARGET_NR_setxattr
31e31b8a
FB		 6725 case TARGET_NR_setxattr:
6726 case TARGET_NR_lsetxattr:
6727 case TARGET_NR_fsetxattr:
6728 case TARGET_NR_getxattr:
6729 case TARGET_NR_lgetxattr:
6730 case TARGET_NR_fgetxattr:
6731 case TARGET_NR_listxattr:
6732 case TARGET_NR_llistxattr:
6733 case TARGET_NR_flistxattr:
6734 case TARGET_NR_removexattr:
6735 case TARGET_NR_lremovexattr:
6736 case TARGET_NR_fremovexattr:
6f932f91
AP		 6737 ret = -TARGET_EOPNOTSUPP;
6738 break;
ebc05488
FB		 6739#endif
6740#ifdef TARGET_NR_set_thread_area
5cd4393b 6741 case TARGET_NR_set_thread_area:
8d18e893 6742#if defined(TARGET_MIPS)
6f5b89a0
TS		 6743 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
6744 ret = 0;
6745 break;
ef96779b
EI		 6746#elif defined(TARGET_CRIS)
6747 if (arg1 & 0xff)
6748 ret = -TARGET_EINVAL;
6749 else {
6750 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
6751 ret = 0;
6752 }
6753 break;
8d18e893
FB		 6754#elif defined(TARGET_I386) && defined(TARGET_ABI32)
6755 ret = do_set_thread_area(cpu_env, arg1);
6756 break;
6f5b89a0
TS		 6757#else
6758 goto unimplemented_nowarn;
6759#endif
6760#endif
6761#ifdef TARGET_NR_get_thread_area
5cd4393b 6762 case TARGET_NR_get_thread_area:
8d18e893
FB		 6763#if defined(TARGET_I386) && defined(TARGET_ABI32)
6764 ret = do_get_thread_area(cpu_env, arg1);
6765#else
5cd4393b 6766 goto unimplemented_nowarn;
48dc41eb 6767#endif
8d18e893 6768#endif
48dc41eb
FB		 6769#ifdef TARGET_NR_getdomainname
6770 case TARGET_NR_getdomainname:
6771 goto unimplemented_nowarn;
ebc05488 6772#endif
6f5b89a0 6773
b5906f95
TS		 6774#ifdef TARGET_NR_clock_gettime
6775 case TARGET_NR_clock_gettime:
6776 {
6777 struct timespec ts;
6778 ret = get_errno(clock_gettime(arg1, &ts));
6779 if (!is_error(ret)) {
6780 host_to_target_timespec(arg2, &ts);
6781 }
6782 break;
6783 }
6784#endif
6785#ifdef TARGET_NR_clock_getres
6786 case TARGET_NR_clock_getres:
6787 {
6788 struct timespec ts;
6789 ret = get_errno(clock_getres(arg1, &ts));
6790 if (!is_error(ret)) {
6791 host_to_target_timespec(arg2, &ts);
6792 }
6793 break;
6794 }
6795#endif
63d7651b
PB		 6796#ifdef TARGET_NR_clock_nanosleep
6797 case TARGET_NR_clock_nanosleep:
6798 {
6799 struct timespec ts;
6800 target_to_host_timespec(&ts, arg3);
6801 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
6802 if (arg4)
6803 host_to_target_timespec(arg4, &ts);
6804 break;
6805 }
6806#endif
b5906f95 6807
6f5b89a0
TS		 6808#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
6809 case TARGET_NR_set_tid_address:
579a97f7
FB		 6810 ret = get_errno(set_tid_address((int *)g2h(arg1)));
6811 break;
6f5b89a0
TS		 6812#endif
6813
3ae43202 6814#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 6815 case TARGET_NR_tkill:
4cb05961 6816 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 6817 break;
6818#endif
6819
3ae43202 6820#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 6821 case TARGET_NR_tgkill:
4cb05961
PB		 6822 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
6823 target_to_host_signal(arg3)));
71455574
TS		 6824 break;
6825#endif
6826
4f2b1fe8
TS		 6827#ifdef TARGET_NR_set_robust_list
6828 case TARGET_NR_set_robust_list:
6829 goto unimplemented_nowarn;
6830#endif
6831
9007f0ef
TS		 6832#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
6833 case TARGET_NR_utimensat:
6834 {
ebc996f3
RV		 6835 struct timespec *tsp, ts[2];
6836 if (!arg3) {
6837 tsp = NULL;
6838 } else {
6839 target_to_host_timespec(ts, arg3);
6840 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
6841 tsp = ts;
6842 }
9007f0ef 6843 if (!arg2)
ebc996f3 6844 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 6845 else {
579a97f7 6846 if (!(p = lock_user_string(arg2))) {
0da46a6e 6847 ret = -TARGET_EFAULT;
579a97f7
FB		 6848 goto fail;
6849 }
ebc996f3 6850 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 6851 unlock_user(p, arg2, 0);
9007f0ef
TS		 6852 }
6853 }
6854 break;
6855#endif
2f7bb878 6856#if defined(CONFIG_USE_NPTL)
bd0c5661
PB		 6857 case TARGET_NR_futex:
6858 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
6859 break;
6860#endif
dbfe4c36 6861#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 6862 case TARGET_NR_inotify_init:
6863 ret = get_errno(sys_inotify_init());
6864 break;
6865#endif
dbfe4c36 6866#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 6867 case TARGET_NR_inotify_add_watch:
6868 p = lock_user_string(arg2);
6869 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
6870 unlock_user(p, arg2, 0);
6871 break;
6872#endif
dbfe4c36 6873#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 6874 case TARGET_NR_inotify_rm_watch:
6875 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
6876 break;
6877#endif
9007f0ef 6878
8ec9cf89 6879#if defined(TARGET_NR_mq_open) && defined(__NR_mq_open)
24e1003a
AJ		 6880 case TARGET_NR_mq_open:
6881 {
6882 struct mq_attr posix_mq_attr;
6883
6884 p = lock_user_string(arg1 - 1);
6885 if (arg4 != 0)
6886 copy_from_user_mq_attr (&posix_mq_attr, arg4);
6887 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
6888 unlock_user (p, arg1, 0);
6889 }
6890 break;
6891
6892 case TARGET_NR_mq_unlink:
6893 p = lock_user_string(arg1 - 1);
6894 ret = get_errno(mq_unlink(p));
6895 unlock_user (p, arg1, 0);
6896 break;
6897
6898 case TARGET_NR_mq_timedsend:
6899 {
6900 struct timespec ts;
6901
6902 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6903 if (arg5 != 0) {
6904 target_to_host_timespec(&ts, arg5);
6905 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
6906 host_to_target_timespec(arg5, &ts);
6907 }
6908 else
6909 ret = get_errno(mq_send(arg1, p, arg3, arg4));
6910 unlock_user (p, arg2, arg3);
6911 }
6912 break;
6913
6914 case TARGET_NR_mq_timedreceive:
6915 {
6916 struct timespec ts;
6917 unsigned int prio;
6918
6919 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6920 if (arg5 != 0) {
6921 target_to_host_timespec(&ts, arg5);
6922 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
6923 host_to_target_timespec(arg5, &ts);
6924 }
6925 else
6926 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
6927 unlock_user (p, arg2, arg3);
6928 if (arg4 != 0)
6929 put_user_u32(prio, arg4);
6930 }
6931 break;
6932
6933 /* Not implemented for now... */
6934/* case TARGET_NR_mq_notify: */
6935/* break; */
6936
6937 case TARGET_NR_mq_getsetattr:
6938 {
6939 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
6940 ret = 0;
6941 if (arg3 != 0) {
6942 ret = mq_getattr(arg1, &posix_mq_attr_out);
6943 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
6944 }
6945 if (arg2 != 0) {
6946 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
6947 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
6948 }
6949
6950 }
6951 break;
6952#endif
6953
3ce34dfb 6954#ifdef CONFIG_SPLICE
6955#ifdef TARGET_NR_tee
6956 case TARGET_NR_tee:
6957 {
6958 ret = get_errno(tee(arg1,arg2,arg3,arg4));
6959 }
6960 break;
6961#endif
6962#ifdef TARGET_NR_splice
6963 case TARGET_NR_splice:
6964 {
6965 loff_t loff_in, loff_out;
6966 loff_t *ploff_in = NULL, *ploff_out = NULL;
6967 if(arg2) {
6968 get_user_u64(loff_in, arg2);
6969 ploff_in = &loff_in;
6970 }
6971 if(arg4) {
6972 get_user_u64(loff_out, arg2);
6973 ploff_out = &loff_out;
6974 }
6975 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
6976 }
6977 break;
6978#endif
6979#ifdef TARGET_NR_vmsplice
6980 case TARGET_NR_vmsplice:
6981 {
6982 int count = arg3;
6983 struct iovec *vec;
6984
6985 vec = alloca(count * sizeof(struct iovec));
6986 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6987 goto efault;
6988 ret = get_errno(vmsplice(arg1, vec, count, arg4));
6989 unlock_iovec(vec, arg2, count, 0);
6990 }
6991 break;
6992#endif
6993#endif /* CONFIG_SPLICE */
c2882b96
RV		 6994#ifdef CONFIG_EVENTFD
6995#if defined(TARGET_NR_eventfd)
6996 case TARGET_NR_eventfd:
6997 ret = get_errno(eventfd(arg1, 0));
6998 break;
6999#endif
7000#if defined(TARGET_NR_eventfd2)
7001 case TARGET_NR_eventfd2:
7002 ret = get_errno(eventfd(arg1, arg2));
7003 break;
7004#endif
7005#endif /* CONFIG_EVENTFD */
31e31b8a
FB		 7006 default:
7007 unimplemented:
5cd4393b 7008 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 7009#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 7010 unimplemented_nowarn:
80a9d035 7011#endif
0da46a6e 7012 ret = -TARGET_ENOSYS;
31e31b8a
FB		 7013 break;
7014 }
579a97f7 7015fail:
c573ff67 7016#ifdef DEBUG
0bf9e31a 7017 gemu_log(" = " TARGET_ABI_FMT_ld "\n", ret);
c573ff67 7018#endif
b92c47c1
TS		 7019 if(do_strace)
7020 print_syscall_ret(num, ret);
31e31b8a 7021 return ret;
579a97f7
FB		 7022efault:
7023 ret = -TARGET_EFAULT;
7024 goto fail;
31e31b8a 7025}
Qemu copy for testing