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linux-user: initialize mmap_mutex properly
[thirdparty/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
17 * along with this program; if not, write to the Free Software
530e7615
BS		 18 * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
19 * MA 02110-1301, USA.
31e31b8a
FB		 20 */
21#include <stdlib.h>
22#include <stdio.h>
23#include <stdarg.h>
04369ff2 24#include <string.h>
31e31b8a
FB		 25#include <elf.h>
26#include <endian.h>
27#include <errno.h>
28#include <unistd.h>
29#include <fcntl.h>
7854b056 30#include <time.h>
82e671d9 31#include <limits.h>
24e1003a 32#include <mqueue.h>
31e31b8a 33#include <sys/types.h>
d08d3bb8
TS		 34#include <sys/ipc.h>
35#include <sys/msg.h>
31e31b8a
FB		 36#include <sys/wait.h>
37#include <sys/time.h>
38#include <sys/stat.h>
39#include <sys/mount.h>
39b9aae1 40#include <sys/prctl.h>
31e31b8a
FB		 41#include <sys/resource.h>
42#include <sys/mman.h>
43#include <sys/swap.h>
44#include <signal.h>
45#include <sched.h>
46#include <sys/socket.h>
607175e0 47#include <sys/un.h>
31e31b8a 48#include <sys/uio.h>
9de5e440 49#include <sys/poll.h>
32f36bce 50#include <sys/times.h>
8853f86e 51#include <sys/shm.h>
fa294816 52#include <sys/sem.h>
56c8f68f 53#include <sys/statfs.h>
ebc05488 54#include <utime.h>
a5448a7d 55#include <sys/sysinfo.h>
3b3f24ad 56#include <sys/utsname.h>
72f03900 57//#include <sys/user.h>
8853f86e 58#include <netinet/ip.h>
7854b056 59#include <netinet/tcp.h>
0b6d3ae0 60#include <qemu-common.h>
6d946cda
AJ		 61#ifdef HAVE_GPROF
62#include <sys/gmon.h>
63#endif
31e31b8a
FB		 64
65#define termios host_termios
66#define winsize host_winsize
67#define termio host_termio
04369ff2
FB		 68#define sgttyb host_sgttyb /* same as target */
69#define tchars host_tchars /* same as target */
70#define ltchars host_ltchars /* same as target */
31e31b8a
FB		 71
72#include <linux/termios.h>
73#include <linux/unistd.h>
74#include <linux/utsname.h>
75#include <linux/cdrom.h>
76#include <linux/hdreg.h>
77#include <linux/soundcard.h>
19b84f3c 78#include <linux/kd.h>
8fbd6b52 79#include <linux/mtio.h>
350d1779 80#include <linux/fs.h>
d7e4036e 81#include "linux_loop.h"
31e31b8a 82
3ef693a0 83#include "qemu.h"
526ccb7a 84#include "qemu-common.h"
31e31b8a 85
30813cea
PB		 86#if defined(USE_NPTL)
87#include <linux/futex.h>
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
224#if defined(USE_NPTL)
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
24e1003a
AJ		 852static inline abi_long copy_from_user_mq_attr(struct mq_attr *attr,
853 abi_ulong target_mq_attr_addr)
854{
855 struct target_mq_attr *target_mq_attr;
856
857 if (!lock_user_struct(VERIFY_READ, target_mq_attr,
858 target_mq_attr_addr, 1))
859 return -TARGET_EFAULT;
860
861 __get_user(attr->mq_flags, &target_mq_attr->mq_flags);
862 __get_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
863 __get_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
864 __get_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
865
866 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 0);
867
868 return 0;
869}
870
871static inline abi_long copy_to_user_mq_attr(abi_ulong target_mq_attr_addr,
872 const struct mq_attr *attr)
873{
874 struct target_mq_attr *target_mq_attr;
875
876 if (!lock_user_struct(VERIFY_WRITE, target_mq_attr,
877 target_mq_attr_addr, 0))
878 return -TARGET_EFAULT;
879
880 __put_user(attr->mq_flags, &target_mq_attr->mq_flags);
881 __put_user(attr->mq_maxmsg, &target_mq_attr->mq_maxmsg);
882 __put_user(attr->mq_msgsize, &target_mq_attr->mq_msgsize);
883 __put_user(attr->mq_curmsgs, &target_mq_attr->mq_curmsgs);
884
885 unlock_user_struct(target_mq_attr, target_mq_attr_addr, 1);
886
887 return 0;
888}
31e31b8a 889
0da46a6e 890/* do_select() must return target values and target errnos. */
992f48a0 891static abi_long do_select(int n,
26edcf41
TS		 892 abi_ulong rfd_addr, abi_ulong wfd_addr,
893 abi_ulong efd_addr, abi_ulong target_tv_addr)
31e31b8a
FB		 894{
895 fd_set rfds, wfds, efds;
896 fd_set *rfds_ptr, *wfds_ptr, *efds_ptr;
897 struct timeval tv, *tv_ptr;
992f48a0 898 abi_long ret;
31e31b8a 899
26edcf41
TS		 900 if (rfd_addr) {
901 if (copy_from_user_fdset(&rfds, rfd_addr, n))
902 return -TARGET_EFAULT;
903 rfds_ptr = &rfds;
53a5960a 904 } else {
53a5960a
PB		 905 rfds_ptr = NULL;
906 }
26edcf41
TS		 907 if (wfd_addr) {
908 if (copy_from_user_fdset(&wfds, wfd_addr, n))
909 return -TARGET_EFAULT;
910 wfds_ptr = &wfds;
53a5960a 911 } else {
53a5960a
PB		 912 wfds_ptr = NULL;
913 }
26edcf41
TS		 914 if (efd_addr) {
915 if (copy_from_user_fdset(&efds, efd_addr, n))
916 return -TARGET_EFAULT;
917 efds_ptr = &efds;
53a5960a 918 } else {
53a5960a
PB		 919 efds_ptr = NULL;
920 }
3b46e624 921
26edcf41 922 if (target_tv_addr) {
788f5ec4
TS		 923 if (copy_from_user_timeval(&tv, target_tv_addr))
924 return -TARGET_EFAULT;
31e31b8a
FB		 925 tv_ptr = &tv;
926 } else {
927 tv_ptr = NULL;
928 }
26edcf41 929
31e31b8a 930 ret = get_errno(select(n, rfds_ptr, wfds_ptr, efds_ptr, tv_ptr));
53a5960a 931
26edcf41
TS		 932 if (!is_error(ret)) {
933 if (rfd_addr && copy_to_user_fdset(rfd_addr, &rfds, n))
934 return -TARGET_EFAULT;
935 if (wfd_addr && copy_to_user_fdset(wfd_addr, &wfds, n))
936 return -TARGET_EFAULT;
937 if (efd_addr && copy_to_user_fdset(efd_addr, &efds, n))
938 return -TARGET_EFAULT;
31e31b8a 939
788f5ec4
TS		 940 if (target_tv_addr && copy_to_user_timeval(target_tv_addr, &tv))
941 return -TARGET_EFAULT;
31e31b8a 942 }
579a97f7 943
31e31b8a
FB		 944 return ret;
945}
946
099d6b0f
RV		 947static abi_long do_pipe2(int host_pipe[], int flags)
948{
949#ifdef CONFIG_PIPE2
950 return pipe2(host_pipe, flags);
951#else
952 return -ENOSYS;
953#endif
954}
955
956static abi_long do_pipe(void *cpu_env, int pipedes, int flags)
957{
958 int host_pipe[2];
959 abi_long ret;
960 ret = flags ? do_pipe2(host_pipe, flags) : pipe(host_pipe);
961
962 if (is_error(ret))
963 return get_errno(ret);
964#if defined(TARGET_MIPS)
965 ((CPUMIPSState*)cpu_env)->active_tc.gpr[3] = host_pipe[1];
966 ret = host_pipe[0];
967#elif defined(TARGET_SH4)
968 ((CPUSH4State*)cpu_env)->gregs[1] = host_pipe[1];
969 ret = host_pipe[0];
970#else
971 if (put_user_s32(host_pipe[0], pipedes)
972 || put_user_s32(host_pipe[1], pipedes + sizeof(host_pipe[0])))
973 return -TARGET_EFAULT;
974#endif
975 return get_errno(ret);
976}
977
b975b83b
LL		 978static inline abi_long target_to_host_ip_mreq(struct ip_mreqn *mreqn,
979 abi_ulong target_addr,
980 socklen_t len)
981{
982 struct target_ip_mreqn *target_smreqn;
983
984 target_smreqn = lock_user(VERIFY_READ, target_addr, len, 1);
985 if (!target_smreqn)
986 return -TARGET_EFAULT;
987 mreqn->imr_multiaddr.s_addr = target_smreqn->imr_multiaddr.s_addr;
988 mreqn->imr_address.s_addr = target_smreqn->imr_address.s_addr;
989 if (len == sizeof(struct target_ip_mreqn))
990 mreqn->imr_ifindex = tswapl(target_smreqn->imr_ifindex);
991 unlock_user(target_smreqn, target_addr, 0);
992
993 return 0;
994}
995
579a97f7
FB		 996static inline abi_long target_to_host_sockaddr(struct sockaddr *addr,
997 abi_ulong target_addr,
998 socklen_t len)
7854b056 999{
607175e0
AJ		 1000 const socklen_t unix_maxlen = sizeof (struct sockaddr_un);
1001 sa_family_t sa_family;
53a5960a
PB		 1002 struct target_sockaddr *target_saddr;
1003
579a97f7
FB		 1004 target_saddr = lock_user(VERIFY_READ, target_addr, len, 1);
1005 if (!target_saddr)
1006 return -TARGET_EFAULT;
607175e0
AJ		 1007
1008 sa_family = tswap16(target_saddr->sa_family);
1009
1010 /* Oops. The caller might send a incomplete sun_path; sun_path
1011 * must be terminated by \0 (see the manual page), but
1012 * unfortunately it is quite common to specify sockaddr_un
1013 * length as "strlen(x->sun_path)" while it should be
1014 * "strlen(...) + 1". We'll fix that here if needed.
1015 * Linux kernel has a similar feature.
1016 */
1017
1018 if (sa_family == AF_UNIX) {
1019 if (len < unix_maxlen && len > 0) {
1020 char *cp = (char*)target_saddr;
1021
1022 if ( cp[len-1] && !cp[len] )
1023 len++;
1024 }
1025 if (len > unix_maxlen)
1026 len = unix_maxlen;
1027 }
1028
53a5960a 1029 memcpy(addr, target_saddr, len);
607175e0 1030 addr->sa_family = sa_family;
53a5960a 1031 unlock_user(target_saddr, target_addr, 0);
579a97f7
FB		 1032
1033 return 0;
7854b056
FB		 1034}
1035
579a97f7
FB		 1036static inline abi_long host_to_target_sockaddr(abi_ulong target_addr,
1037 struct sockaddr *addr,
1038 socklen_t len)
7854b056 1039{
53a5960a
PB		 1040 struct target_sockaddr *target_saddr;
1041
579a97f7
FB		 1042 target_saddr = lock_user(VERIFY_WRITE, target_addr, len, 0);
1043 if (!target_saddr)
1044 return -TARGET_EFAULT;
53a5960a
PB		 1045 memcpy(target_saddr, addr, len);
1046 target_saddr->sa_family = tswap16(addr->sa_family);
1047 unlock_user(target_saddr, target_addr, len);
579a97f7
FB		 1048
1049 return 0;
7854b056
FB		 1050}
1051
53a5960a 1052/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1053static inline abi_long target_to_host_cmsg(struct msghdr *msgh,
1054 struct target_msghdr *target_msgh)
7854b056
FB		 1055{
1056 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1057 abi_long msg_controllen;
1058 abi_ulong target_cmsg_addr;
1059 struct target_cmsghdr *target_cmsg;
7854b056 1060 socklen_t space = 0;
5a4a898d
FB		 1061
1062 msg_controllen = tswapl(target_msgh->msg_controllen);
1063 if (msg_controllen < sizeof (struct target_cmsghdr))
1064 goto the_end;
1065 target_cmsg_addr = tswapl(target_msgh->msg_control);
1066 target_cmsg = lock_user(VERIFY_READ, target_cmsg_addr, msg_controllen, 1);
1067 if (!target_cmsg)
1068 return -TARGET_EFAULT;
7854b056
FB		 1069
1070 while (cmsg && target_cmsg) {
1071 void *data = CMSG_DATA(cmsg);
1072 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1073
5fafdf24 1074 int len = tswapl(target_cmsg->cmsg_len)
7854b056
FB		 1075 - TARGET_CMSG_ALIGN(sizeof (struct target_cmsghdr));
1076
1077 space += CMSG_SPACE(len);
1078 if (space > msgh->msg_controllen) {
1079 space -= CMSG_SPACE(len);
31febb71 1080 gemu_log("Host cmsg overflow\n");
7854b056
FB		 1081 break;
1082 }
1083
1084 cmsg->cmsg_level = tswap32(target_cmsg->cmsg_level);
1085 cmsg->cmsg_type = tswap32(target_cmsg->cmsg_type);
1086 cmsg->cmsg_len = CMSG_LEN(len);
1087
3532fa74 1088 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1089 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1090 memcpy(data, target_data, len);
1091 } else {
1092 int *fd = (int *)data;
1093 int *target_fd = (int *)target_data;
1094 int i, numfds = len / sizeof(int);
1095
1096 for (i = 0; i < numfds; i++)
1097 fd[i] = tswap32(target_fd[i]);
1098 }
1099
1100 cmsg = CMSG_NXTHDR(msgh, cmsg);
1101 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1102 }
5a4a898d
FB		 1103 unlock_user(target_cmsg, target_cmsg_addr, 0);
1104 the_end:
7854b056 1105 msgh->msg_controllen = space;
5a4a898d 1106 return 0;
7854b056
FB		 1107}
1108
53a5960a 1109/* ??? Should this also swap msgh->name? */
5a4a898d
FB		 1110static inline abi_long host_to_target_cmsg(struct target_msghdr *target_msgh,
1111 struct msghdr *msgh)
7854b056
FB		 1112{
1113 struct cmsghdr *cmsg = CMSG_FIRSTHDR(msgh);
5a4a898d
FB		 1114 abi_long msg_controllen;
1115 abi_ulong target_cmsg_addr;
1116 struct target_cmsghdr *target_cmsg;
7854b056
FB		 1117 socklen_t space = 0;
1118
5a4a898d
FB		 1119 msg_controllen = tswapl(target_msgh->msg_controllen);
1120 if (msg_controllen < sizeof (struct target_cmsghdr))
1121 goto the_end;
1122 target_cmsg_addr = tswapl(target_msgh->msg_control);
1123 target_cmsg = lock_user(VERIFY_WRITE, target_cmsg_addr, msg_controllen, 0);
1124 if (!target_cmsg)
1125 return -TARGET_EFAULT;
1126
7854b056
FB		 1127 while (cmsg && target_cmsg) {
1128 void *data = CMSG_DATA(cmsg);
1129 void *target_data = TARGET_CMSG_DATA(target_cmsg);
1130
1131 int len = cmsg->cmsg_len - CMSG_ALIGN(sizeof (struct cmsghdr));
1132
1133 space += TARGET_CMSG_SPACE(len);
5a4a898d 1134 if (space > msg_controllen) {
7854b056 1135 space -= TARGET_CMSG_SPACE(len);
31febb71 1136 gemu_log("Target cmsg overflow\n");
7854b056
FB		 1137 break;
1138 }
1139
1140 target_cmsg->cmsg_level = tswap32(cmsg->cmsg_level);
1141 target_cmsg->cmsg_type = tswap32(cmsg->cmsg_type);
1142 target_cmsg->cmsg_len = tswapl(TARGET_CMSG_LEN(len));
1143
3532fa74 1144 if (cmsg->cmsg_level != TARGET_SOL_SOCKET || cmsg->cmsg_type != SCM_RIGHTS) {
7854b056
FB		 1145 gemu_log("Unsupported ancillary data: %d/%d\n", cmsg->cmsg_level, cmsg->cmsg_type);
1146 memcpy(target_data, data, len);
1147 } else {
1148 int *fd = (int *)data;
1149 int *target_fd = (int *)target_data;
1150 int i, numfds = len / sizeof(int);
1151
1152 for (i = 0; i < numfds; i++)
1153 target_fd[i] = tswap32(fd[i]);
1154 }
1155
1156 cmsg = CMSG_NXTHDR(msgh, cmsg);
1157 target_cmsg = TARGET_CMSG_NXTHDR(target_msgh, target_cmsg);
1158 }
5a4a898d
FB		 1159 unlock_user(target_cmsg, target_cmsg_addr, space);
1160 the_end:
1161 target_msgh->msg_controllen = tswapl(space);
1162 return 0;
7854b056
FB		 1163}
1164
0da46a6e 1165/* do_setsockopt() Must return target values and target errnos. */
992f48a0 1166static abi_long do_setsockopt(int sockfd, int level, int optname,
2f619698 1167 abi_ulong optval_addr, socklen_t optlen)
7854b056 1168{
992f48a0 1169 abi_long ret;
32407103 1170 int val;
b975b83b 1171 struct ip_mreqn *ip_mreq;
6e3cb58f 1172 struct ip_mreq_source *ip_mreq_source;
3b46e624 1173
8853f86e
FB		 1174 switch(level) {
1175 case SOL_TCP:
7854b056 1176 /* TCP options all take an 'int' value. */
7854b056 1177 if (optlen < sizeof(uint32_t))
0da46a6e 1178 return -TARGET_EINVAL;
3b46e624 1179
2f619698
FB		 1180 if (get_user_u32(val, optval_addr))
1181 return -TARGET_EFAULT;
8853f86e
FB		 1182 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1183 break;
1184 case SOL_IP:
1185 switch(optname) {
2efbe911
FB		 1186 case IP_TOS:
1187 case IP_TTL:
8853f86e 1188 case IP_HDRINCL:
2efbe911
FB		 1189 case IP_ROUTER_ALERT:
1190 case IP_RECVOPTS:
1191 case IP_RETOPTS:
1192 case IP_PKTINFO:
1193 case IP_MTU_DISCOVER:
1194 case IP_RECVERR:
1195 case IP_RECVTOS:
1196#ifdef IP_FREEBIND
1197 case IP_FREEBIND:
1198#endif
1199 case IP_MULTICAST_TTL:
1200 case IP_MULTICAST_LOOP:
8853f86e
FB		 1201 val = 0;
1202 if (optlen >= sizeof(uint32_t)) {
2f619698
FB		 1203 if (get_user_u32(val, optval_addr))
1204 return -TARGET_EFAULT;
8853f86e 1205 } else if (optlen >= 1) {
2f619698
FB		 1206 if (get_user_u8(val, optval_addr))
1207 return -TARGET_EFAULT;
8853f86e
FB		 1208 }
1209 ret = get_errno(setsockopt(sockfd, level, optname, &val, sizeof(val)));
1210 break;
b975b83b
LL		 1211 case IP_ADD_MEMBERSHIP:
1212 case IP_DROP_MEMBERSHIP:
1213 if (optlen < sizeof (struct target_ip_mreq) ||
1214 optlen > sizeof (struct target_ip_mreqn))
1215 return -TARGET_EINVAL;
1216
1217 ip_mreq = (struct ip_mreqn *) alloca(optlen);
1218 target_to_host_ip_mreq(ip_mreq, optval_addr, optlen);
1219 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq, optlen));
1220 break;
1221
6e3cb58f
LL		 1222 case IP_BLOCK_SOURCE:
1223 case IP_UNBLOCK_SOURCE:
1224 case IP_ADD_SOURCE_MEMBERSHIP:
1225 case IP_DROP_SOURCE_MEMBERSHIP:
1226 if (optlen != sizeof (struct target_ip_mreq_source))
1227 return -TARGET_EINVAL;
1228
1229 ip_mreq_source = lock_user(VERIFY_READ, optval_addr, optlen, 1);
1230 ret = get_errno(setsockopt(sockfd, level, optname, ip_mreq_source, optlen));
1231 unlock_user (ip_mreq_source, optval_addr, 0);
1232 break;
1233
8853f86e
FB		 1234 default:
1235 goto unimplemented;
1236 }
1237 break;
3532fa74 1238 case TARGET_SOL_SOCKET:
8853f86e
FB		 1239 switch (optname) {
1240 /* Options with 'int' argument. */
3532fa74
FB		 1241 case TARGET_SO_DEBUG:
1242 optname = SO_DEBUG;
1243 break;
1244 case TARGET_SO_REUSEADDR:
1245 optname = SO_REUSEADDR;
1246 break;
1247 case TARGET_SO_TYPE:
1248 optname = SO_TYPE;
1249 break;
1250 case TARGET_SO_ERROR:
1251 optname = SO_ERROR;
1252 break;
1253 case TARGET_SO_DONTROUTE:
1254 optname = SO_DONTROUTE;
1255 break;
1256 case TARGET_SO_BROADCAST:
1257 optname = SO_BROADCAST;
1258 break;
1259 case TARGET_SO_SNDBUF:
1260 optname = SO_SNDBUF;
1261 break;
1262 case TARGET_SO_RCVBUF:
1263 optname = SO_RCVBUF;
1264 break;
1265 case TARGET_SO_KEEPALIVE:
1266 optname = SO_KEEPALIVE;
1267 break;
1268 case TARGET_SO_OOBINLINE:
1269 optname = SO_OOBINLINE;
1270 break;
1271 case TARGET_SO_NO_CHECK:
1272 optname = SO_NO_CHECK;
1273 break;
1274 case TARGET_SO_PRIORITY:
1275 optname = SO_PRIORITY;
1276 break;
5e83e8e3 1277#ifdef SO_BSDCOMPAT
3532fa74
FB		 1278 case TARGET_SO_BSDCOMPAT:
1279 optname = SO_BSDCOMPAT;
1280 break;
5e83e8e3 1281#endif
3532fa74
FB		 1282 case TARGET_SO_PASSCRED:
1283 optname = SO_PASSCRED;
1284 break;
1285 case TARGET_SO_TIMESTAMP:
1286 optname = SO_TIMESTAMP;
1287 break;
1288 case TARGET_SO_RCVLOWAT:
1289 optname = SO_RCVLOWAT;
1290 break;
1291 case TARGET_SO_RCVTIMEO:
1292 optname = SO_RCVTIMEO;
1293 break;
1294 case TARGET_SO_SNDTIMEO:
1295 optname = SO_SNDTIMEO;
1296 break;
8853f86e
FB		 1297 break;
1298 default:
1299 goto unimplemented;
1300 }
3532fa74 1301 if (optlen < sizeof(uint32_t))
2f619698 1302 return -TARGET_EINVAL;
3532fa74 1303
2f619698
FB		 1304 if (get_user_u32(val, optval_addr))
1305 return -TARGET_EFAULT;
3532fa74 1306 ret = get_errno(setsockopt(sockfd, SOL_SOCKET, optname, &val, sizeof(val)));
8853f86e 1307 break;
7854b056 1308 default:
8853f86e
FB		 1309 unimplemented:
1310 gemu_log("Unsupported setsockopt level=%d optname=%d \n", level, optname);
6fa13c17 1311 ret = -TARGET_ENOPROTOOPT;
7854b056 1312 }
8853f86e 1313 return ret;
7854b056
FB		 1314}
1315
0da46a6e 1316/* do_getsockopt() Must return target values and target errnos. */
992f48a0 1317static abi_long do_getsockopt(int sockfd, int level, int optname,
2f619698 1318 abi_ulong optval_addr, abi_ulong optlen)
7854b056 1319{
992f48a0 1320 abi_long ret;
b55266b5
BS		 1321 int len, val;
1322 socklen_t lv;
8853f86e
FB		 1323
1324 switch(level) {
3532fa74
FB		 1325 case TARGET_SOL_SOCKET:
1326 level = SOL_SOCKET;
8853f86e 1327 switch (optname) {
3532fa74
FB		 1328 case TARGET_SO_LINGER:
1329 case TARGET_SO_RCVTIMEO:
1330 case TARGET_SO_SNDTIMEO:
1331 case TARGET_SO_PEERCRED:
1332 case TARGET_SO_PEERNAME:
8853f86e
FB		 1333 /* These don't just return a single integer */
1334 goto unimplemented;
1335 default:
2efbe911
FB		 1336 goto int_case;
1337 }
1338 break;
1339 case SOL_TCP:
1340 /* TCP options all take an 'int' value. */
1341 int_case:
2f619698
FB		 1342 if (get_user_u32(len, optlen))
1343 return -TARGET_EFAULT;
2efbe911 1344 if (len < 0)
0da46a6e 1345 return -TARGET_EINVAL;
2efbe911
FB		 1346 lv = sizeof(int);
1347 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1348 if (ret < 0)
1349 return ret;
1350 val = tswap32(val);
1351 if (len > lv)
1352 len = lv;
2f619698
FB		 1353 if (len == 4) {
1354 if (put_user_u32(val, optval_addr))
1355 return -TARGET_EFAULT;
1356 } else {
1357 if (put_user_u8(val, optval_addr))
1358 return -TARGET_EFAULT;
1359 }
1360 if (put_user_u32(len, optlen))
1361 return -TARGET_EFAULT;
2efbe911
FB		 1362 break;
1363 case SOL_IP:
1364 switch(optname) {
1365 case IP_TOS:
1366 case IP_TTL:
1367 case IP_HDRINCL:
1368 case IP_ROUTER_ALERT:
1369 case IP_RECVOPTS:
1370 case IP_RETOPTS:
1371 case IP_PKTINFO:
1372 case IP_MTU_DISCOVER:
1373 case IP_RECVERR:
1374 case IP_RECVTOS:
1375#ifdef IP_FREEBIND
1376 case IP_FREEBIND:
1377#endif
1378 case IP_MULTICAST_TTL:
1379 case IP_MULTICAST_LOOP:
2f619698
FB		 1380 if (get_user_u32(len, optlen))
1381 return -TARGET_EFAULT;
8853f86e 1382 if (len < 0)
0da46a6e 1383 return -TARGET_EINVAL;
8853f86e
FB		 1384 lv = sizeof(int);
1385 ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
1386 if (ret < 0)
1387 return ret;
2efbe911 1388 if (len < sizeof(int) && len > 0 && val >= 0 && val < 255) {
2efbe911 1389 len = 1;
2f619698
FB		 1390 if (put_user_u32(len, optlen)
1391 || put_user_u8(val, optval_addr))
1392 return -TARGET_EFAULT;
2efbe911 1393 } else {
2efbe911
FB		 1394 if (len > sizeof(int))
1395 len = sizeof(int);
2f619698
FB		 1396 if (put_user_u32(len, optlen)
1397 || put_user_u32(val, optval_addr))
1398 return -TARGET_EFAULT;
2efbe911 1399 }
8853f86e 1400 break;
2efbe911 1401 default:
c02f499e
TS		 1402 ret = -TARGET_ENOPROTOOPT;
1403 break;
8853f86e
FB		 1404 }
1405 break;
1406 default:
1407 unimplemented:
1408 gemu_log("getsockopt level=%d optname=%d not yet supported\n",
1409 level, optname);
c02f499e 1410 ret = -TARGET_EOPNOTSUPP;
8853f86e
FB		 1411 break;
1412 }
1413 return ret;
7854b056
FB		 1414}
1415
579a97f7
FB		 1416/* FIXME
1417 * lock_iovec()/unlock_iovec() have a return code of 0 for success where
1418 * other lock functions have a return code of 0 for failure.
1419 */
1420static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr,
1421 int count, int copy)
53a5960a
PB		 1422{
1423 struct target_iovec *target_vec;
992f48a0 1424 abi_ulong base;
d732dcb4 1425 int i;
53a5960a 1426
579a97f7
FB		 1427 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1428 if (!target_vec)
1429 return -TARGET_EFAULT;
53a5960a
PB		 1430 for(i = 0;i < count; i++) {
1431 base = tswapl(target_vec[i].iov_base);
1432 vec[i].iov_len = tswapl(target_vec[i].iov_len);
41df8411
FB		 1433 if (vec[i].iov_len != 0) {
1434 vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy);
d732dcb4
AZ		 1435 /* Don't check lock_user return value. We must call writev even
1436 if a element has invalid base address. */
41df8411
FB		 1437 } else {
1438 /* zero length pointer is ignored */
1439 vec[i].iov_base = NULL;
1440 }
579a97f7
FB		 1441 }
1442 unlock_user (target_vec, target_addr, 0);
1443 return 0;
53a5960a
PB		 1444}
1445
579a97f7
FB		 1446static abi_long unlock_iovec(struct iovec *vec, abi_ulong target_addr,
1447 int count, int copy)
53a5960a
PB		 1448{
1449 struct target_iovec *target_vec;
992f48a0 1450 abi_ulong base;
53a5960a
PB		 1451 int i;
1452
579a97f7
FB		 1453 target_vec = lock_user(VERIFY_READ, target_addr, count * sizeof(struct target_iovec), 1);
1454 if (!target_vec)
1455 return -TARGET_EFAULT;
53a5960a 1456 for(i = 0;i < count; i++) {
d732dcb4
AZ		 1457 if (target_vec[i].iov_base) {
1458 base = tswapl(target_vec[i].iov_base);
1459 unlock_user(vec[i].iov_base, base, copy ? vec[i].iov_len : 0);
1460 }
53a5960a
PB		 1461 }
1462 unlock_user (target_vec, target_addr, 0);
579a97f7
FB		 1463
1464 return 0;
53a5960a
PB		 1465}
1466
0da46a6e 1467/* do_socket() Must return target values and target errnos. */
992f48a0 1468static abi_long do_socket(int domain, int type, int protocol)
3532fa74
FB		 1469{
1470#if defined(TARGET_MIPS)
1471 switch(type) {
1472 case TARGET_SOCK_DGRAM:
1473 type = SOCK_DGRAM;
1474 break;
1475 case TARGET_SOCK_STREAM:
1476 type = SOCK_STREAM;
1477 break;
1478 case TARGET_SOCK_RAW:
1479 type = SOCK_RAW;
1480 break;
1481 case TARGET_SOCK_RDM:
1482 type = SOCK_RDM;
1483 break;
1484 case TARGET_SOCK_SEQPACKET:
1485 type = SOCK_SEQPACKET;
1486 break;
1487 case TARGET_SOCK_PACKET:
1488 type = SOCK_PACKET;
1489 break;
1490 }
1491#endif
12bc92ab
AZ		 1492 if (domain == PF_NETLINK)
1493 return -EAFNOSUPPORT; /* do not NETLINK socket connections possible */
3532fa74
FB		 1494 return get_errno(socket(domain, type, protocol));
1495}
1496
0da46a6e 1497/* do_bind() Must return target values and target errnos. */
992f48a0
BS		 1498static abi_long do_bind(int sockfd, abi_ulong target_addr,
1499 socklen_t addrlen)
3532fa74 1500{
8f7aeaf6
AJ		 1501 void *addr;
1502
be09ac41 1503 if (addrlen < 0)
8f7aeaf6
AJ		 1504 return -TARGET_EINVAL;
1505
607175e0 1506 addr = alloca(addrlen+1);
3b46e624 1507
3532fa74
FB		 1508 target_to_host_sockaddr(addr, target_addr, addrlen);
1509 return get_errno(bind(sockfd, addr, addrlen));
1510}
1511
0da46a6e 1512/* do_connect() Must return target values and target errnos. */
992f48a0
BS		 1513static abi_long do_connect(int sockfd, abi_ulong target_addr,
1514 socklen_t addrlen)
3532fa74 1515{
8f7aeaf6
AJ		 1516 void *addr;
1517
be09ac41 1518 if (addrlen < 0)
8f7aeaf6
AJ		 1519 return -TARGET_EINVAL;
1520
1521 addr = alloca(addrlen);
3b46e624 1522
3532fa74
FB		 1523 target_to_host_sockaddr(addr, target_addr, addrlen);
1524 return get_errno(connect(sockfd, addr, addrlen));
1525}
1526
0da46a6e 1527/* do_sendrecvmsg() Must return target values and target errnos. */
992f48a0
BS		 1528static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
1529 int flags, int send)
3532fa74 1530{
6de645c7 1531 abi_long ret, len;
3532fa74
FB		 1532 struct target_msghdr *msgp;
1533 struct msghdr msg;
1534 int count;
1535 struct iovec *vec;
992f48a0 1536 abi_ulong target_vec;
3532fa74 1537
579a97f7
FB		 1538 /* FIXME */
1539 if (!lock_user_struct(send ? VERIFY_READ : VERIFY_WRITE,
1540 msgp,
1541 target_msg,
1542 send ? 1 : 0))
1543 return -TARGET_EFAULT;
3532fa74
FB		 1544 if (msgp->msg_name) {
1545 msg.msg_namelen = tswap32(msgp->msg_namelen);
1546 msg.msg_name = alloca(msg.msg_namelen);
1547 target_to_host_sockaddr(msg.msg_name, tswapl(msgp->msg_name),
1548 msg.msg_namelen);
1549 } else {
1550 msg.msg_name = NULL;
1551 msg.msg_namelen = 0;
1552 }
1553 msg.msg_controllen = 2 * tswapl(msgp->msg_controllen);
1554 msg.msg_control = alloca(msg.msg_controllen);
1555 msg.msg_flags = tswap32(msgp->msg_flags);
3b46e624 1556
3532fa74
FB		 1557 count = tswapl(msgp->msg_iovlen);
1558 vec = alloca(count * sizeof(struct iovec));
1559 target_vec = tswapl(msgp->msg_iov);
579a97f7 1560 lock_iovec(send ? VERIFY_READ : VERIFY_WRITE, vec, target_vec, count, send);
3532fa74
FB		 1561 msg.msg_iovlen = count;
1562 msg.msg_iov = vec;
3b46e624 1563
3532fa74 1564 if (send) {
5a4a898d
FB		 1565 ret = target_to_host_cmsg(&msg, msgp);
1566 if (ret == 0)
1567 ret = get_errno(sendmsg(fd, &msg, flags));
3532fa74
FB		 1568 } else {
1569 ret = get_errno(recvmsg(fd, &msg, flags));
6de645c7
AZ		 1570 if (!is_error(ret)) {
1571 len = ret;
5a4a898d 1572 ret = host_to_target_cmsg(msgp, &msg);
6de645c7
AZ		 1573 if (!is_error(ret))
1574 ret = len;
1575 }
3532fa74
FB		 1576 }
1577 unlock_iovec(vec, target_vec, count, !send);
579a97f7 1578 unlock_user_struct(msgp, target_msg, send ? 0 : 1);
3532fa74
FB		 1579 return ret;
1580}
1581
0da46a6e 1582/* do_accept() Must return target values and target errnos. */
992f48a0 1583static abi_long do_accept(int fd, abi_ulong target_addr,
2f619698 1584 abi_ulong target_addrlen_addr)
1be9e1dc 1585{
2f619698
FB		 1586 socklen_t addrlen;
1587 void *addr;
992f48a0 1588 abi_long ret;
1be9e1dc 1589
2f619698
FB		 1590 if (get_user_u32(addrlen, target_addrlen_addr))
1591 return -TARGET_EFAULT;
1592
be09ac41 1593 if (addrlen < 0)
8f7aeaf6
AJ		 1594 return -TARGET_EINVAL;
1595
2f619698
FB		 1596 addr = alloca(addrlen);
1597
1be9e1dc
PB		 1598 ret = get_errno(accept(fd, addr, &addrlen));
1599 if (!is_error(ret)) {
1600 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1601 if (put_user_u32(addrlen, target_addrlen_addr))
1602 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1603 }
1604 return ret;
1605}
1606
0da46a6e 1607/* do_getpeername() Must return target values and target errnos. */
992f48a0 1608static abi_long do_getpeername(int fd, abi_ulong target_addr,
2f619698 1609 abi_ulong target_addrlen_addr)
1be9e1dc 1610{
2f619698
FB		 1611 socklen_t addrlen;
1612 void *addr;
992f48a0 1613 abi_long ret;
1be9e1dc 1614
2f619698
FB		 1615 if (get_user_u32(addrlen, target_addrlen_addr))
1616 return -TARGET_EFAULT;
1617
be09ac41 1618 if (addrlen < 0)
8f7aeaf6
AJ		 1619 return -TARGET_EINVAL;
1620
2f619698
FB		 1621 addr = alloca(addrlen);
1622
1be9e1dc
PB		 1623 ret = get_errno(getpeername(fd, addr, &addrlen));
1624 if (!is_error(ret)) {
1625 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1626 if (put_user_u32(addrlen, target_addrlen_addr))
1627 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1628 }
1629 return ret;
1630}
1631
0da46a6e 1632/* do_getsockname() Must return target values and target errnos. */
992f48a0 1633static abi_long do_getsockname(int fd, abi_ulong target_addr,
2f619698 1634 abi_ulong target_addrlen_addr)
1be9e1dc 1635{
2f619698
FB		 1636 socklen_t addrlen;
1637 void *addr;
992f48a0 1638 abi_long ret;
1be9e1dc 1639
8fea3602
AJ		 1640 if (target_addr == 0)
1641 return get_errno(accept(fd, NULL, NULL));
1642
2f619698
FB		 1643 if (get_user_u32(addrlen, target_addrlen_addr))
1644 return -TARGET_EFAULT;
1645
be09ac41 1646 if (addrlen < 0)
8f7aeaf6
AJ		 1647 return -TARGET_EINVAL;
1648
2f619698
FB		 1649 addr = alloca(addrlen);
1650
1be9e1dc
PB		 1651 ret = get_errno(getsockname(fd, addr, &addrlen));
1652 if (!is_error(ret)) {
1653 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1654 if (put_user_u32(addrlen, target_addrlen_addr))
1655 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1656 }
1657 return ret;
1658}
1659
0da46a6e 1660/* do_socketpair() Must return target values and target errnos. */
992f48a0 1661static abi_long do_socketpair(int domain, int type, int protocol,
2f619698 1662 abi_ulong target_tab_addr)
1be9e1dc
PB		 1663{
1664 int tab[2];
992f48a0 1665 abi_long ret;
1be9e1dc
PB		 1666
1667 ret = get_errno(socketpair(domain, type, protocol, tab));
1668 if (!is_error(ret)) {
2f619698
FB		 1669 if (put_user_s32(tab[0], target_tab_addr)
1670 || put_user_s32(tab[1], target_tab_addr + sizeof(tab[0])))
1671 ret = -TARGET_EFAULT;
1be9e1dc
PB		 1672 }
1673 return ret;
1674}
1675
0da46a6e 1676/* do_sendto() Must return target values and target errnos. */
992f48a0
BS		 1677static abi_long do_sendto(int fd, abi_ulong msg, size_t len, int flags,
1678 abi_ulong target_addr, socklen_t addrlen)
1be9e1dc
PB		 1679{
1680 void *addr;
1681 void *host_msg;
992f48a0 1682 abi_long ret;
1be9e1dc 1683
be09ac41 1684 if (addrlen < 0)
8f7aeaf6
AJ		 1685 return -TARGET_EINVAL;
1686
579a97f7
FB		 1687 host_msg = lock_user(VERIFY_READ, msg, len, 1);
1688 if (!host_msg)
1689 return -TARGET_EFAULT;
1be9e1dc
PB		 1690 if (target_addr) {
1691 addr = alloca(addrlen);
1692 target_to_host_sockaddr(addr, target_addr, addrlen);
1693 ret = get_errno(sendto(fd, host_msg, len, flags, addr, addrlen));
1694 } else {
1695 ret = get_errno(send(fd, host_msg, len, flags));
1696 }
1697 unlock_user(host_msg, msg, 0);
1698 return ret;
1699}
1700
0da46a6e 1701/* do_recvfrom() Must return target values and target errnos. */
992f48a0
BS		 1702static abi_long do_recvfrom(int fd, abi_ulong msg, size_t len, int flags,
1703 abi_ulong target_addr,
1704 abi_ulong target_addrlen)
1be9e1dc
PB		 1705{
1706 socklen_t addrlen;
1707 void *addr;
1708 void *host_msg;
992f48a0 1709 abi_long ret;
1be9e1dc 1710
579a97f7
FB		 1711 host_msg = lock_user(VERIFY_WRITE, msg, len, 0);
1712 if (!host_msg)
1713 return -TARGET_EFAULT;
1be9e1dc 1714 if (target_addr) {
2f619698
FB		 1715 if (get_user_u32(addrlen, target_addrlen)) {
1716 ret = -TARGET_EFAULT;
1717 goto fail;
1718 }
be09ac41 1719 if (addrlen < 0) {
8f7aeaf6
AJ		 1720 ret = -TARGET_EINVAL;
1721 goto fail;
1722 }
1be9e1dc
PB		 1723 addr = alloca(addrlen);
1724 ret = get_errno(recvfrom(fd, host_msg, len, flags, addr, &addrlen));
1725 } else {
1726 addr = NULL; /* To keep compiler quiet. */
1727 ret = get_errno(recv(fd, host_msg, len, flags));
1728 }
1729 if (!is_error(ret)) {
1730 if (target_addr) {
1731 host_to_target_sockaddr(target_addr, addr, addrlen);
2f619698
FB		 1732 if (put_user_u32(addrlen, target_addrlen)) {
1733 ret = -TARGET_EFAULT;
1734 goto fail;
1735 }
1be9e1dc
PB		 1736 }
1737 unlock_user(host_msg, msg, len);
1738 } else {
2f619698 1739fail:
1be9e1dc
PB		 1740 unlock_user(host_msg, msg, 0);
1741 }
1742 return ret;
1743}
1744
32407103 1745#ifdef TARGET_NR_socketcall
0da46a6e 1746/* do_socketcall() Must return target values and target errnos. */
992f48a0 1747static abi_long do_socketcall(int num, abi_ulong vptr)
31e31b8a 1748{
992f48a0
BS		 1749 abi_long ret;
1750 const int n = sizeof(abi_ulong);
31e31b8a
FB		 1751
1752 switch(num) {
1753 case SOCKOP_socket:
7854b056 1754 {
2f619698
FB		 1755 int domain, type, protocol;
1756
1757 if (get_user_s32(domain, vptr)
1758 || get_user_s32(type, vptr + n)
1759 || get_user_s32(protocol, vptr + 2 * n))
1760 return -TARGET_EFAULT;
1761
3532fa74 1762 ret = do_socket(domain, type, protocol);
7854b056 1763 }
31e31b8a
FB		 1764 break;
1765 case SOCKOP_bind:
7854b056 1766 {
2f619698
FB		 1767 int sockfd;
1768 abi_ulong target_addr;
1769 socklen_t addrlen;
1770
1771 if (get_user_s32(sockfd, vptr)
1772 || get_user_ual(target_addr, vptr + n)
1773 || get_user_u32(addrlen, vptr + 2 * n))
1774 return -TARGET_EFAULT;
1775
3532fa74 1776 ret = do_bind(sockfd, target_addr, addrlen);
7854b056 1777 }
31e31b8a
FB		 1778 break;
1779 case SOCKOP_connect:
7854b056 1780 {
2f619698
FB		 1781 int sockfd;
1782 abi_ulong target_addr;
1783 socklen_t addrlen;
1784
1785 if (get_user_s32(sockfd, vptr)
1786 || get_user_ual(target_addr, vptr + n)
1787 || get_user_u32(addrlen, vptr + 2 * n))
1788 return -TARGET_EFAULT;
1789
3532fa74 1790 ret = do_connect(sockfd, target_addr, addrlen);
7854b056 1791 }
31e31b8a
FB		 1792 break;
1793 case SOCKOP_listen:
7854b056 1794 {
2f619698
FB		 1795 int sockfd, backlog;
1796
1797 if (get_user_s32(sockfd, vptr)
1798 || get_user_s32(backlog, vptr + n))
1799 return -TARGET_EFAULT;
1800
7854b056
FB		 1801 ret = get_errno(listen(sockfd, backlog));
1802 }
31e31b8a
FB		 1803 break;
1804 case SOCKOP_accept:
1805 {
2f619698
FB		 1806 int sockfd;
1807 abi_ulong target_addr, target_addrlen;
1808
1809 if (get_user_s32(sockfd, vptr)
1810 || get_user_ual(target_addr, vptr + n)
1811 || get_user_u32(target_addrlen, vptr + 2 * n))
1812 return -TARGET_EFAULT;
1813
1be9e1dc 1814 ret = do_accept(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1815 }
1816 break;
1817 case SOCKOP_getsockname:
1818 {
2f619698
FB		 1819 int sockfd;
1820 abi_ulong target_addr, target_addrlen;
1821
1822 if (get_user_s32(sockfd, vptr)
1823 || get_user_ual(target_addr, vptr + n)
1824 || get_user_u32(target_addrlen, vptr + 2 * n))
1825 return -TARGET_EFAULT;
1826
1be9e1dc 1827 ret = do_getsockname(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1828 }
1829 break;
1830 case SOCKOP_getpeername:
1831 {
2f619698
FB		 1832 int sockfd;
1833 abi_ulong target_addr, target_addrlen;
1834
1835 if (get_user_s32(sockfd, vptr)
1836 || get_user_ual(target_addr, vptr + n)
1837 || get_user_u32(target_addrlen, vptr + 2 * n))
1838 return -TARGET_EFAULT;
1839
1be9e1dc 1840 ret = do_getpeername(sockfd, target_addr, target_addrlen);
31e31b8a
FB		 1841 }
1842 break;
1843 case SOCKOP_socketpair:
1844 {
2f619698
FB		 1845 int domain, type, protocol;
1846 abi_ulong tab;
1847
1848 if (get_user_s32(domain, vptr)
1849 || get_user_s32(type, vptr + n)
1850 || get_user_s32(protocol, vptr + 2 * n)
1851 || get_user_ual(tab, vptr + 3 * n))
1852 return -TARGET_EFAULT;
1853
1be9e1dc 1854 ret = do_socketpair(domain, type, protocol, tab);
31e31b8a
FB		 1855 }
1856 break;
1857 case SOCKOP_send:
7854b056 1858 {
2f619698
FB		 1859 int sockfd;
1860 abi_ulong msg;
1861 size_t len;
1862 int flags;
1863
1864 if (get_user_s32(sockfd, vptr)
1865 || get_user_ual(msg, vptr + n)
1866 || get_user_ual(len, vptr + 2 * n)
1867 || get_user_s32(flags, vptr + 3 * n))
1868 return -TARGET_EFAULT;
1869
1be9e1dc 1870 ret = do_sendto(sockfd, msg, len, flags, 0, 0);
7854b056 1871 }
31e31b8a
FB		 1872 break;
1873 case SOCKOP_recv:
7854b056 1874 {
2f619698
FB		 1875 int sockfd;
1876 abi_ulong msg;
1877 size_t len;
1878 int flags;
1879
1880 if (get_user_s32(sockfd, vptr)
1881 || get_user_ual(msg, vptr + n)
1882 || get_user_ual(len, vptr + 2 * n)
1883 || get_user_s32(flags, vptr + 3 * n))
1884 return -TARGET_EFAULT;
1885
1be9e1dc 1886 ret = do_recvfrom(sockfd, msg, len, flags, 0, 0);
7854b056 1887 }
31e31b8a
FB		 1888 break;
1889 case SOCKOP_sendto:
7854b056 1890 {
2f619698
FB		 1891 int sockfd;
1892 abi_ulong msg;
1893 size_t len;
1894 int flags;
1895 abi_ulong addr;
1896 socklen_t addrlen;
1897
1898 if (get_user_s32(sockfd, vptr)
1899 || get_user_ual(msg, vptr + n)
1900 || get_user_ual(len, vptr + 2 * n)
1901 || get_user_s32(flags, vptr + 3 * n)
1902 || get_user_ual(addr, vptr + 4 * n)
1903 || get_user_u32(addrlen, vptr + 5 * n))
1904 return -TARGET_EFAULT;
1905
1be9e1dc 1906 ret = do_sendto(sockfd, msg, len, flags, addr, addrlen);
7854b056 1907 }
31e31b8a
FB		 1908 break;
1909 case SOCKOP_recvfrom:
1910 {
2f619698
FB		 1911 int sockfd;
1912 abi_ulong msg;
1913 size_t len;
1914 int flags;
1915 abi_ulong addr;
1916 socklen_t addrlen;
1917
1918 if (get_user_s32(sockfd, vptr)
1919 || get_user_ual(msg, vptr + n)
1920 || get_user_ual(len, vptr + 2 * n)
1921 || get_user_s32(flags, vptr + 3 * n)
1922 || get_user_ual(addr, vptr + 4 * n)
1923 || get_user_u32(addrlen, vptr + 5 * n))
1924 return -TARGET_EFAULT;
1925
1be9e1dc 1926 ret = do_recvfrom(sockfd, msg, len, flags, addr, addrlen);
31e31b8a
FB		 1927 }
1928 break;
1929 case SOCKOP_shutdown:
7854b056 1930 {
2f619698
FB		 1931 int sockfd, how;
1932
1933 if (get_user_s32(sockfd, vptr)
1934 || get_user_s32(how, vptr + n))
1935 return -TARGET_EFAULT;
7854b056
FB		 1936
1937 ret = get_errno(shutdown(sockfd, how));
1938 }
31e31b8a
FB		 1939 break;
1940 case SOCKOP_sendmsg:
1941 case SOCKOP_recvmsg:
1a9353d2
FB		 1942 {
1943 int fd;
992f48a0 1944 abi_ulong target_msg;
3532fa74 1945 int flags;
1a9353d2 1946
2f619698
FB		 1947 if (get_user_s32(fd, vptr)
1948 || get_user_ual(target_msg, vptr + n)
1949 || get_user_s32(flags, vptr + 2 * n))
1950 return -TARGET_EFAULT;
3532fa74 1951
5fafdf24 1952 ret = do_sendrecvmsg(fd, target_msg, flags,
3532fa74 1953 (num == SOCKOP_sendmsg));
1a9353d2
FB		 1954 }
1955 break;
31e31b8a 1956 case SOCKOP_setsockopt:
7854b056 1957 {
2f619698
FB		 1958 int sockfd;
1959 int level;
1960 int optname;
1961 abi_ulong optval;
1962 socklen_t optlen;
1963
1964 if (get_user_s32(sockfd, vptr)
1965 || get_user_s32(level, vptr + n)
1966 || get_user_s32(optname, vptr + 2 * n)
1967 || get_user_ual(optval, vptr + 3 * n)
1968 || get_user_u32(optlen, vptr + 4 * n))
1969 return -TARGET_EFAULT;
7854b056
FB		 1970
1971 ret = do_setsockopt(sockfd, level, optname, optval, optlen);
1972 }
1973 break;
31e31b8a 1974 case SOCKOP_getsockopt:
7854b056 1975 {
2f619698
FB		 1976 int sockfd;
1977 int level;
1978 int optname;
1979 abi_ulong optval;
1980 socklen_t optlen;
1981
1982 if (get_user_s32(sockfd, vptr)
1983 || get_user_s32(level, vptr + n)
1984 || get_user_s32(optname, vptr + 2 * n)
1985 || get_user_ual(optval, vptr + 3 * n)
1986 || get_user_u32(optlen, vptr + 4 * n))
1987 return -TARGET_EFAULT;
7854b056 1988
2f619698 1989 ret = do_getsockopt(sockfd, level, optname, optval, optlen);
7854b056
FB		 1990 }
1991 break;
31e31b8a
FB		 1992 default:
1993 gemu_log("Unsupported socketcall: %d\n", num);
0da46a6e 1994 ret = -TARGET_ENOSYS;
31e31b8a
FB		 1995 break;
1996 }
1997 return ret;
1998}
32407103 1999#endif
31e31b8a 2000
8853f86e
FB		 2001#define N_SHM_REGIONS 32
2002
2003static struct shm_region {
5a4a898d
FB		 2004 abi_ulong start;
2005 abi_ulong size;
8853f86e
FB		 2006} shm_regions[N_SHM_REGIONS];
2007
3eb6b044
TS		 2008struct target_ipc_perm
2009{
992f48a0
BS		 2010 abi_long __key;
2011 abi_ulong uid;
2012 abi_ulong gid;
2013 abi_ulong cuid;
2014 abi_ulong cgid;
3eb6b044
TS		 2015 unsigned short int mode;
2016 unsigned short int __pad1;
2017 unsigned short int __seq;
2018 unsigned short int __pad2;
992f48a0
BS		 2019 abi_ulong __unused1;
2020 abi_ulong __unused2;
3eb6b044
TS		 2021};
2022
2023struct target_semid_ds
2024{
2025 struct target_ipc_perm sem_perm;
992f48a0
BS		 2026 abi_ulong sem_otime;
2027 abi_ulong __unused1;
2028 abi_ulong sem_ctime;
2029 abi_ulong __unused2;
2030 abi_ulong sem_nsems;
2031 abi_ulong __unused3;
2032 abi_ulong __unused4;
3eb6b044
TS		 2033};
2034
579a97f7
FB		 2035static inline abi_long target_to_host_ipc_perm(struct ipc_perm *host_ip,
2036 abi_ulong target_addr)
3eb6b044
TS		 2037{
2038 struct target_ipc_perm *target_ip;
2039 struct target_semid_ds *target_sd;
2040
579a97f7
FB		 2041 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2042 return -TARGET_EFAULT;
3eb6b044
TS		 2043 target_ip=&(target_sd->sem_perm);
2044 host_ip->__key = tswapl(target_ip->__key);
2045 host_ip->uid = tswapl(target_ip->uid);
2046 host_ip->gid = tswapl(target_ip->gid);
2047 host_ip->cuid = tswapl(target_ip->cuid);
2048 host_ip->cgid = tswapl(target_ip->cgid);
2049 host_ip->mode = tswapl(target_ip->mode);
2050 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2051 return 0;
3eb6b044
TS		 2052}
2053
579a97f7
FB		 2054static inline abi_long host_to_target_ipc_perm(abi_ulong target_addr,
2055 struct ipc_perm *host_ip)
3eb6b044
TS		 2056{
2057 struct target_ipc_perm *target_ip;
2058 struct target_semid_ds *target_sd;
2059
579a97f7
FB		 2060 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2061 return -TARGET_EFAULT;
3eb6b044
TS		 2062 target_ip = &(target_sd->sem_perm);
2063 target_ip->__key = tswapl(host_ip->__key);
2064 target_ip->uid = tswapl(host_ip->uid);
2065 target_ip->gid = tswapl(host_ip->gid);
2066 target_ip->cuid = tswapl(host_ip->cuid);
2067 target_ip->cgid = tswapl(host_ip->cgid);
2068 target_ip->mode = tswapl(host_ip->mode);
2069 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2070 return 0;
3eb6b044
TS		 2071}
2072
579a97f7
FB		 2073static inline abi_long target_to_host_semid_ds(struct semid_ds *host_sd,
2074 abi_ulong target_addr)
3eb6b044
TS		 2075{
2076 struct target_semid_ds *target_sd;
2077
579a97f7
FB		 2078 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2079 return -TARGET_EFAULT;
e5289087
AJ		 2080 if (target_to_host_ipc_perm(&(host_sd->sem_perm),target_addr))
2081 return -TARGET_EFAULT;
3eb6b044
TS		 2082 host_sd->sem_nsems = tswapl(target_sd->sem_nsems);
2083 host_sd->sem_otime = tswapl(target_sd->sem_otime);
2084 host_sd->sem_ctime = tswapl(target_sd->sem_ctime);
2085 unlock_user_struct(target_sd, target_addr, 0);
579a97f7 2086 return 0;
3eb6b044
TS		 2087}
2088
579a97f7
FB		 2089static inline abi_long host_to_target_semid_ds(abi_ulong target_addr,
2090 struct semid_ds *host_sd)
3eb6b044
TS		 2091{
2092 struct target_semid_ds *target_sd;
2093
579a97f7
FB		 2094 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2095 return -TARGET_EFAULT;
e5289087
AJ		 2096 if (host_to_target_ipc_perm(target_addr,&(host_sd->sem_perm)))
2097 return -TARGET_EFAULT;;
3eb6b044
TS		 2098 target_sd->sem_nsems = tswapl(host_sd->sem_nsems);
2099 target_sd->sem_otime = tswapl(host_sd->sem_otime);
2100 target_sd->sem_ctime = tswapl(host_sd->sem_ctime);
2101 unlock_user_struct(target_sd, target_addr, 1);
579a97f7 2102 return 0;
3eb6b044
TS		 2103}
2104
e5289087
AJ		 2105struct target_seminfo {
2106 int semmap;
2107 int semmni;
2108 int semmns;
2109 int semmnu;
2110 int semmsl;
2111 int semopm;
2112 int semume;
2113 int semusz;
2114 int semvmx;
2115 int semaem;
2116};
2117
2118static inline abi_long host_to_target_seminfo(abi_ulong target_addr,
2119 struct seminfo *host_seminfo)
2120{
2121 struct target_seminfo *target_seminfo;
2122 if (!lock_user_struct(VERIFY_WRITE, target_seminfo, target_addr, 0))
2123 return -TARGET_EFAULT;
2124 __put_user(host_seminfo->semmap, &target_seminfo->semmap);
2125 __put_user(host_seminfo->semmni, &target_seminfo->semmni);
2126 __put_user(host_seminfo->semmns, &target_seminfo->semmns);
2127 __put_user(host_seminfo->semmnu, &target_seminfo->semmnu);
2128 __put_user(host_seminfo->semmsl, &target_seminfo->semmsl);
2129 __put_user(host_seminfo->semopm, &target_seminfo->semopm);
2130 __put_user(host_seminfo->semume, &target_seminfo->semume);
2131 __put_user(host_seminfo->semusz, &target_seminfo->semusz);
2132 __put_user(host_seminfo->semvmx, &target_seminfo->semvmx);
2133 __put_user(host_seminfo->semaem, &target_seminfo->semaem);
2134 unlock_user_struct(target_seminfo, target_addr, 1);
2135 return 0;
2136}
2137
fa294816
TS		 2138union semun {
2139 int val;
3eb6b044 2140 struct semid_ds *buf;
fa294816 2141 unsigned short *array;
e5289087 2142 struct seminfo *__buf;
fa294816
TS		 2143};
2144
3eb6b044
TS		 2145union target_semun {
2146 int val;
e5289087
AJ		 2147 abi_ulong buf;
2148 abi_ulong array;
2149 abi_ulong __buf;
3eb6b044
TS		 2150};
2151
e5289087
AJ		 2152static inline abi_long target_to_host_semarray(int semid, unsigned short **host_array,
2153 abi_ulong target_addr)
3eb6b044 2154{
e5289087
AJ		 2155 int nsems;
2156 unsigned short *array;
2157 union semun semun;
2158 struct semid_ds semid_ds;
2159 int i, ret;
3eb6b044 2160
e5289087
AJ		 2161 semun.buf = &semid_ds;
2162
2163 ret = semctl(semid, 0, IPC_STAT, semun);
2164 if (ret == -1)
2165 return get_errno(ret);
2166
2167 nsems = semid_ds.sem_nsems;
2168
2169 *host_array = malloc(nsems*sizeof(unsigned short));
2170 array = lock_user(VERIFY_READ, target_addr,
2171 nsems*sizeof(unsigned short), 1);
2172 if (!array)
2173 return -TARGET_EFAULT;
2174
2175 for(i=0; i<nsems; i++) {
2176 __get_user((*host_array)[i], &array[i]);
3eb6b044 2177 }
e5289087
AJ		 2178 unlock_user(array, target_addr, 0);
2179
579a97f7 2180 return 0;
3eb6b044
TS		 2181}
2182
e5289087
AJ		 2183static inline abi_long host_to_target_semarray(int semid, abi_ulong target_addr,
2184 unsigned short **host_array)
3eb6b044 2185{
e5289087
AJ		 2186 int nsems;
2187 unsigned short *array;
2188 union semun semun;
2189 struct semid_ds semid_ds;
2190 int i, ret;
3eb6b044 2191
e5289087
AJ		 2192 semun.buf = &semid_ds;
2193
2194 ret = semctl(semid, 0, IPC_STAT, semun);
2195 if (ret == -1)
2196 return get_errno(ret);
2197
2198 nsems = semid_ds.sem_nsems;
2199
2200 array = lock_user(VERIFY_WRITE, target_addr,
2201 nsems*sizeof(unsigned short), 0);
2202 if (!array)
2203 return -TARGET_EFAULT;
2204
2205 for(i=0; i<nsems; i++) {
2206 __put_user((*host_array)[i], &array[i]);
3eb6b044 2207 }
e5289087
AJ		 2208 free(*host_array);
2209 unlock_user(array, target_addr, 1);
2210
579a97f7 2211 return 0;
3eb6b044
TS		 2212}
2213
e5289087
AJ		 2214static inline abi_long do_semctl(int semid, int semnum, int cmd,
2215 union target_semun target_su)
3eb6b044
TS		 2216{
2217 union semun arg;
2218 struct semid_ds dsarg;
e5289087
AJ		 2219 unsigned short *array;
2220 struct seminfo seminfo;
2221 abi_long ret = -TARGET_EINVAL;
2222 abi_long err;
2223 cmd &= 0xff;
3eb6b044
TS		 2224
2225 switch( cmd ) {
2226 case GETVAL:
3eb6b044 2227 case SETVAL:
e5289087
AJ		 2228 arg.val = tswapl(target_su.val);
2229 ret = get_errno(semctl(semid, semnum, cmd, arg));
2230 target_su.val = tswapl(arg.val);
3eb6b044
TS		 2231 break;
2232 case GETALL:
3eb6b044 2233 case SETALL:
e5289087
AJ		 2234 err = target_to_host_semarray(semid, &array, target_su.array);
2235 if (err)
2236 return err;
2237 arg.array = array;
2238 ret = get_errno(semctl(semid, semnum, cmd, arg));
2239 err = host_to_target_semarray(semid, target_su.array, &array);
2240 if (err)
2241 return err;
3eb6b044
TS		 2242 break;
2243 case IPC_STAT:
3eb6b044 2244 case IPC_SET:
e5289087
AJ		 2245 case SEM_STAT:
2246 err = target_to_host_semid_ds(&dsarg, target_su.buf);
2247 if (err)
2248 return err;
2249 arg.buf = &dsarg;
2250 ret = get_errno(semctl(semid, semnum, cmd, arg));
2251 err = host_to_target_semid_ds(target_su.buf, &dsarg);
2252 if (err)
2253 return err;
2254 break;
2255 case IPC_INFO:
2256 case SEM_INFO:
2257 arg.__buf = &seminfo;
2258 ret = get_errno(semctl(semid, semnum, cmd, arg));
2259 err = host_to_target_seminfo(target_su.__buf, &seminfo);
2260 if (err)
2261 return err;
2262 break;
2263 case IPC_RMID:
2264 case GETPID:
2265 case GETNCNT:
2266 case GETZCNT:
2267 ret = get_errno(semctl(semid, semnum, cmd, NULL));
3eb6b044 2268 break;
3eb6b044
TS		 2269 }
2270
2271 return ret;
2272}
2273
e5289087
AJ		 2274struct target_sembuf {
2275 unsigned short sem_num;
2276 short sem_op;
2277 short sem_flg;
2278};
2279
2280static inline abi_long target_to_host_sembuf(struct sembuf *host_sembuf,
2281 abi_ulong target_addr,
2282 unsigned nsops)
2283{
2284 struct target_sembuf *target_sembuf;
2285 int i;
2286
2287 target_sembuf = lock_user(VERIFY_READ, target_addr,
2288 nsops*sizeof(struct target_sembuf), 1);
2289 if (!target_sembuf)
2290 return -TARGET_EFAULT;
2291
2292 for(i=0; i<nsops; i++) {
2293 __get_user(host_sembuf[i].sem_num, &target_sembuf[i].sem_num);
2294 __get_user(host_sembuf[i].sem_op, &target_sembuf[i].sem_op);
2295 __get_user(host_sembuf[i].sem_flg, &target_sembuf[i].sem_flg);
2296 }
2297
2298 unlock_user(target_sembuf, target_addr, 0);
2299
2300 return 0;
2301}
2302
2303static inline abi_long do_semop(int semid, abi_long ptr, unsigned nsops)
2304{
2305 struct sembuf sops[nsops];
2306
2307 if (target_to_host_sembuf(sops, ptr, nsops))
2308 return -TARGET_EFAULT;
2309
2310 return semop(semid, sops, nsops);
2311}
2312
1bc012f6
TS		 2313struct target_msqid_ds
2314{
1c54ff97
AJ		 2315 struct target_ipc_perm msg_perm;
2316 abi_ulong msg_stime;
2317#if TARGET_ABI_BITS == 32
2318 abi_ulong __unused1;
2319#endif
2320 abi_ulong msg_rtime;
2321#if TARGET_ABI_BITS == 32
2322 abi_ulong __unused2;
2323#endif
2324 abi_ulong msg_ctime;
2325#if TARGET_ABI_BITS == 32
2326 abi_ulong __unused3;
2327#endif
2328 abi_ulong __msg_cbytes;
2329 abi_ulong msg_qnum;
2330 abi_ulong msg_qbytes;
2331 abi_ulong msg_lspid;
2332 abi_ulong msg_lrpid;
2333 abi_ulong __unused4;
2334 abi_ulong __unused5;
1bc012f6
TS		 2335};
2336
579a97f7
FB		 2337static inline abi_long target_to_host_msqid_ds(struct msqid_ds *host_md,
2338 abi_ulong target_addr)
1bc012f6
TS		 2339{
2340 struct target_msqid_ds *target_md;
2341
579a97f7
FB		 2342 if (!lock_user_struct(VERIFY_READ, target_md, target_addr, 1))
2343 return -TARGET_EFAULT;
1c54ff97
AJ		 2344 if (target_to_host_ipc_perm(&(host_md->msg_perm),target_addr))
2345 return -TARGET_EFAULT;
1bc012f6
TS		 2346 host_md->msg_stime = tswapl(target_md->msg_stime);
2347 host_md->msg_rtime = tswapl(target_md->msg_rtime);
2348 host_md->msg_ctime = tswapl(target_md->msg_ctime);
2349 host_md->__msg_cbytes = tswapl(target_md->__msg_cbytes);
2350 host_md->msg_qnum = tswapl(target_md->msg_qnum);
2351 host_md->msg_qbytes = tswapl(target_md->msg_qbytes);
2352 host_md->msg_lspid = tswapl(target_md->msg_lspid);
2353 host_md->msg_lrpid = tswapl(target_md->msg_lrpid);
2354 unlock_user_struct(target_md, target_addr, 0);
579a97f7 2355 return 0;
1bc012f6
TS		 2356}
2357
579a97f7
FB		 2358static inline abi_long host_to_target_msqid_ds(abi_ulong target_addr,
2359 struct msqid_ds *host_md)
1bc012f6
TS		 2360{
2361 struct target_msqid_ds *target_md;
2362
579a97f7
FB		 2363 if (!lock_user_struct(VERIFY_WRITE, target_md, target_addr, 0))
2364 return -TARGET_EFAULT;
1c54ff97
AJ		 2365 if (host_to_target_ipc_perm(target_addr,&(host_md->msg_perm)))
2366 return -TARGET_EFAULT;
1bc012f6
TS		 2367 target_md->msg_stime = tswapl(host_md->msg_stime);
2368 target_md->msg_rtime = tswapl(host_md->msg_rtime);
2369 target_md->msg_ctime = tswapl(host_md->msg_ctime);
2370 target_md->__msg_cbytes = tswapl(host_md->__msg_cbytes);
2371 target_md->msg_qnum = tswapl(host_md->msg_qnum);
2372 target_md->msg_qbytes = tswapl(host_md->msg_qbytes);
2373 target_md->msg_lspid = tswapl(host_md->msg_lspid);
2374 target_md->msg_lrpid = tswapl(host_md->msg_lrpid);
2375 unlock_user_struct(target_md, target_addr, 1);
579a97f7 2376 return 0;
1bc012f6
TS		 2377}
2378
1c54ff97
AJ		 2379struct target_msginfo {
2380 int msgpool;
2381 int msgmap;
2382 int msgmax;
2383 int msgmnb;
2384 int msgmni;
2385 int msgssz;
2386 int msgtql;
2387 unsigned short int msgseg;
2388};
2389
2390static inline abi_long host_to_target_msginfo(abi_ulong target_addr,
2391 struct msginfo *host_msginfo)
2392{
2393 struct target_msginfo *target_msginfo;
2394 if (!lock_user_struct(VERIFY_WRITE, target_msginfo, target_addr, 0))
2395 return -TARGET_EFAULT;
2396 __put_user(host_msginfo->msgpool, &target_msginfo->msgpool);
2397 __put_user(host_msginfo->msgmap, &target_msginfo->msgmap);
2398 __put_user(host_msginfo->msgmax, &target_msginfo->msgmax);
2399 __put_user(host_msginfo->msgmnb, &target_msginfo->msgmnb);
2400 __put_user(host_msginfo->msgmni, &target_msginfo->msgmni);
2401 __put_user(host_msginfo->msgssz, &target_msginfo->msgssz);
2402 __put_user(host_msginfo->msgtql, &target_msginfo->msgtql);
2403 __put_user(host_msginfo->msgseg, &target_msginfo->msgseg);
2404 unlock_user_struct(target_msginfo, target_addr, 1);
00b229ac 2405 return 0;
1c54ff97
AJ		 2406}
2407
2408static inline abi_long do_msgctl(int msgid, int cmd, abi_long ptr)
1bc012f6
TS		 2409{
2410 struct msqid_ds dsarg;
1c54ff97
AJ		 2411 struct msginfo msginfo;
2412 abi_long ret = -TARGET_EINVAL;
2413
2414 cmd &= 0xff;
2415
2416 switch (cmd) {
1bc012f6
TS		 2417 case IPC_STAT:
2418 case IPC_SET:
1c54ff97
AJ		 2419 case MSG_STAT:
2420 if (target_to_host_msqid_ds(&dsarg,ptr))
2421 return -TARGET_EFAULT;
2422 ret = get_errno(msgctl(msgid, cmd, &dsarg));
2423 if (host_to_target_msqid_ds(ptr,&dsarg))
2424 return -TARGET_EFAULT;
2425 break;
2426 case IPC_RMID:
2427 ret = get_errno(msgctl(msgid, cmd, NULL));
2428 break;
2429 case IPC_INFO:
2430 case MSG_INFO:
2431 ret = get_errno(msgctl(msgid, cmd, (struct msqid_ds *)&msginfo));
2432 if (host_to_target_msginfo(ptr, &msginfo))
2433 return -TARGET_EFAULT;
2434 break;
1bc012f6 2435 }
1c54ff97 2436
1bc012f6
TS		 2437 return ret;
2438}
2439
2440struct target_msgbuf {
1c54ff97
AJ		 2441 abi_long mtype;
2442 char mtext[1];
1bc012f6
TS		 2443};
2444
992f48a0
BS		 2445static inline abi_long do_msgsnd(int msqid, abi_long msgp,
2446 unsigned int msgsz, int msgflg)
1bc012f6
TS		 2447{
2448 struct target_msgbuf *target_mb;
2449 struct msgbuf *host_mb;
992f48a0 2450 abi_long ret = 0;
1bc012f6 2451
579a97f7
FB		 2452 if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
2453 return -TARGET_EFAULT;
1bc012f6 2454 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2455 host_mb->mtype = (abi_long) tswapl(target_mb->mtype);
2456 memcpy(host_mb->mtext, target_mb->mtext, msgsz);
1bc012f6
TS		 2457 ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
2458 free(host_mb);
2459 unlock_user_struct(target_mb, msgp, 0);
2460
2461 return ret;
2462}
2463
992f48a0 2464static inline abi_long do_msgrcv(int msqid, abi_long msgp,
1c54ff97 2465 unsigned int msgsz, abi_long msgtyp,
992f48a0 2466 int msgflg)
1bc012f6
TS		 2467{
2468 struct target_msgbuf *target_mb;
579a97f7 2469 char *target_mtext;
1bc012f6 2470 struct msgbuf *host_mb;
992f48a0 2471 abi_long ret = 0;
1bc012f6 2472
579a97f7
FB		 2473 if (!lock_user_struct(VERIFY_WRITE, target_mb, msgp, 0))
2474 return -TARGET_EFAULT;
1c54ff97 2475
1bc012f6 2476 host_mb = malloc(msgsz+sizeof(long));
1c54ff97
AJ		 2477 ret = get_errno(msgrcv(msqid, host_mb, msgsz, tswapl(msgtyp), msgflg));
2478
579a97f7
FB		 2479 if (ret > 0) {
2480 abi_ulong target_mtext_addr = msgp + sizeof(abi_ulong);
2481 target_mtext = lock_user(VERIFY_WRITE, target_mtext_addr, ret, 0);
2482 if (!target_mtext) {
2483 ret = -TARGET_EFAULT;
2484 goto end;
2485 }
1c54ff97 2486 memcpy(target_mb->mtext, host_mb->mtext, ret);
579a97f7
FB		 2487 unlock_user(target_mtext, target_mtext_addr, ret);
2488 }
1c54ff97 2489
1bc012f6
TS		 2490 target_mb->mtype = tswapl(host_mb->mtype);
2491 free(host_mb);
1bc012f6 2492
579a97f7
FB		 2493end:
2494 if (target_mb)
2495 unlock_user_struct(target_mb, msgp, 1);
1bc012f6
TS		 2496 return ret;
2497}
2498
88a8c984
RV		 2499struct target_shmid_ds
2500{
2501 struct target_ipc_perm shm_perm;
2502 abi_ulong shm_segsz;
2503 abi_ulong shm_atime;
2504#if TARGET_ABI_BITS == 32
2505 abi_ulong __unused1;
2506#endif
2507 abi_ulong shm_dtime;
2508#if TARGET_ABI_BITS == 32
2509 abi_ulong __unused2;
2510#endif
2511 abi_ulong shm_ctime;
2512#if TARGET_ABI_BITS == 32
2513 abi_ulong __unused3;
2514#endif
2515 int shm_cpid;
2516 int shm_lpid;
2517 abi_ulong shm_nattch;
2518 unsigned long int __unused4;
2519 unsigned long int __unused5;
2520};
2521
2522static inline abi_long target_to_host_shmid_ds(struct shmid_ds *host_sd,
2523 abi_ulong target_addr)
2524{
2525 struct target_shmid_ds *target_sd;
2526
2527 if (!lock_user_struct(VERIFY_READ, target_sd, target_addr, 1))
2528 return -TARGET_EFAULT;
2529 if (target_to_host_ipc_perm(&(host_sd->shm_perm), target_addr))
2530 return -TARGET_EFAULT;
2531 __get_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2532 __get_user(host_sd->shm_atime, &target_sd->shm_atime);
2533 __get_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2534 __get_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2535 __get_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2536 __get_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2537 __get_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2538 unlock_user_struct(target_sd, target_addr, 0);
2539 return 0;
2540}
2541
2542static inline abi_long host_to_target_shmid_ds(abi_ulong target_addr,
2543 struct shmid_ds *host_sd)
2544{
2545 struct target_shmid_ds *target_sd;
2546
2547 if (!lock_user_struct(VERIFY_WRITE, target_sd, target_addr, 0))
2548 return -TARGET_EFAULT;
2549 if (host_to_target_ipc_perm(target_addr, &(host_sd->shm_perm)))
2550 return -TARGET_EFAULT;
2551 __put_user(host_sd->shm_segsz, &target_sd->shm_segsz);
2552 __put_user(host_sd->shm_atime, &target_sd->shm_atime);
2553 __put_user(host_sd->shm_dtime, &target_sd->shm_dtime);
2554 __put_user(host_sd->shm_ctime, &target_sd->shm_ctime);
2555 __put_user(host_sd->shm_cpid, &target_sd->shm_cpid);
2556 __put_user(host_sd->shm_lpid, &target_sd->shm_lpid);
2557 __put_user(host_sd->shm_nattch, &target_sd->shm_nattch);
2558 unlock_user_struct(target_sd, target_addr, 1);
2559 return 0;
2560}
2561
2562struct target_shminfo {
2563 abi_ulong shmmax;
2564 abi_ulong shmmin;
2565 abi_ulong shmmni;
2566 abi_ulong shmseg;
2567 abi_ulong shmall;
2568};
2569
2570static inline abi_long host_to_target_shminfo(abi_ulong target_addr,
2571 struct shminfo *host_shminfo)
2572{
2573 struct target_shminfo *target_shminfo;
2574 if (!lock_user_struct(VERIFY_WRITE, target_shminfo, target_addr, 0))
2575 return -TARGET_EFAULT;
2576 __put_user(host_shminfo->shmmax, &target_shminfo->shmmax);
2577 __put_user(host_shminfo->shmmin, &target_shminfo->shmmin);
2578 __put_user(host_shminfo->shmmni, &target_shminfo->shmmni);
2579 __put_user(host_shminfo->shmseg, &target_shminfo->shmseg);
2580 __put_user(host_shminfo->shmall, &target_shminfo->shmall);
2581 unlock_user_struct(target_shminfo, target_addr, 1);
2582 return 0;
2583}
2584
2585struct target_shm_info {
2586 int used_ids;
2587 abi_ulong shm_tot;
2588 abi_ulong shm_rss;
2589 abi_ulong shm_swp;
2590 abi_ulong swap_attempts;
2591 abi_ulong swap_successes;
2592};
2593
2594static inline abi_long host_to_target_shm_info(abi_ulong target_addr,
2595 struct shm_info *host_shm_info)
2596{
2597 struct target_shm_info *target_shm_info;
2598 if (!lock_user_struct(VERIFY_WRITE, target_shm_info, target_addr, 0))
2599 return -TARGET_EFAULT;
2600 __put_user(host_shm_info->used_ids, &target_shm_info->used_ids);
2601 __put_user(host_shm_info->shm_tot, &target_shm_info->shm_tot);
2602 __put_user(host_shm_info->shm_rss, &target_shm_info->shm_rss);
2603 __put_user(host_shm_info->shm_swp, &target_shm_info->shm_swp);
2604 __put_user(host_shm_info->swap_attempts, &target_shm_info->swap_attempts);
2605 __put_user(host_shm_info->swap_successes, &target_shm_info->swap_successes);
2606 unlock_user_struct(target_shm_info, target_addr, 1);
2607 return 0;
2608}
2609
2610static inline abi_long do_shmctl(int shmid, int cmd, abi_long buf)
2611{
2612 struct shmid_ds dsarg;
2613 struct shminfo shminfo;
2614 struct shm_info shm_info;
2615 abi_long ret = -TARGET_EINVAL;
2616
2617 cmd &= 0xff;
2618
2619 switch(cmd) {
2620 case IPC_STAT:
2621 case IPC_SET:
2622 case SHM_STAT:
2623 if (target_to_host_shmid_ds(&dsarg, buf))
2624 return -TARGET_EFAULT;
2625 ret = get_errno(shmctl(shmid, cmd, &dsarg));
2626 if (host_to_target_shmid_ds(buf, &dsarg))
2627 return -TARGET_EFAULT;
2628 break;
2629 case IPC_INFO:
2630 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shminfo));
2631 if (host_to_target_shminfo(buf, &shminfo))
2632 return -TARGET_EFAULT;
2633 break;
2634 case SHM_INFO:
2635 ret = get_errno(shmctl(shmid, cmd, (struct shmid_ds *)&shm_info));
2636 if (host_to_target_shm_info(buf, &shm_info))
2637 return -TARGET_EFAULT;
2638 break;
2639 case IPC_RMID:
2640 case SHM_LOCK:
2641 case SHM_UNLOCK:
2642 ret = get_errno(shmctl(shmid, cmd, NULL));
2643 break;
2644 }
2645
2646 return ret;
2647}
2648
2649static inline abi_ulong do_shmat(int shmid, abi_ulong shmaddr, int shmflg)
2650{
2651 abi_long raddr;
2652 void *host_raddr;
2653 struct shmid_ds shm_info;
2654 int i,ret;
2655
2656 /* find out the length of the shared memory segment */
2657 ret = get_errno(shmctl(shmid, IPC_STAT, &shm_info));
2658 if (is_error(ret)) {
2659 /* can't get length, bail out */
2660 return ret;
2661 }
2662
2663 mmap_lock();
2664
2665 if (shmaddr)
2666 host_raddr = shmat(shmid, (void *)g2h(shmaddr), shmflg);
2667 else {
2668 abi_ulong mmap_start;
2669
2670 mmap_start = mmap_find_vma(0, shm_info.shm_segsz);
2671
2672 if (mmap_start == -1) {
2673 errno = ENOMEM;
2674 host_raddr = (void *)-1;
2675 } else
2676 host_raddr = shmat(shmid, g2h(mmap_start), shmflg | SHM_REMAP);
2677 }
2678
2679 if (host_raddr == (void *)-1) {
2680 mmap_unlock();
2681 return get_errno((long)host_raddr);
2682 }
2683 raddr=h2g((unsigned long)host_raddr);
2684
2685 page_set_flags(raddr, raddr + shm_info.shm_segsz,
2686 PAGE_VALID | PAGE_READ |
2687 ((shmflg & SHM_RDONLY)? 0 : PAGE_WRITE));
2688
2689 for (i = 0; i < N_SHM_REGIONS; i++) {
2690 if (shm_regions[i].start == 0) {
2691 shm_regions[i].start = raddr;
2692 shm_regions[i].size = shm_info.shm_segsz;
2693 break;
2694 }
2695 }
2696
2697 mmap_unlock();
2698 return raddr;
2699
2700}
2701
2702static inline abi_long do_shmdt(abi_ulong shmaddr)
2703{
2704 int i;
2705
2706 for (i = 0; i < N_SHM_REGIONS; ++i) {
2707 if (shm_regions[i].start == shmaddr) {
2708 shm_regions[i].start = 0;
2709 page_set_flags(shmaddr, shm_regions[i].size, 0);
2710 break;
2711 }
2712 }
2713
2714 return get_errno(shmdt(g2h(shmaddr)));
2715}
2716
1c54ff97 2717#ifdef TARGET_NR_ipc
53a5960a 2718/* ??? This only works with linear mappings. */
0da46a6e 2719/* do_ipc() must return target values and target errnos. */
992f48a0
BS		 2720static abi_long do_ipc(unsigned int call, int first,
2721 int second, int third,
2722 abi_long ptr, abi_long fifth)
8853f86e
FB		 2723{
2724 int version;
992f48a0 2725 abi_long ret = 0;
8853f86e
FB		 2726
2727 version = call >> 16;
2728 call &= 0xffff;
2729
2730 switch (call) {
fa294816 2731 case IPCOP_semop:
e5289087 2732 ret = do_semop(first, ptr, second);
fa294816
TS		 2733 break;
2734
2735 case IPCOP_semget:
2736 ret = get_errno(semget(first, second, third));
2737 break;
2738
2739 case IPCOP_semctl:
e5289087 2740 ret = do_semctl(first, second, third, (union target_semun)(abi_ulong) ptr);
fa294816 2741 break;
d96372ef 2742
1c54ff97
AJ		 2743 case IPCOP_msgget:
2744 ret = get_errno(msgget(first, second));
2745 break;
d96372ef 2746
1c54ff97
AJ		 2747 case IPCOP_msgsnd:
2748 ret = do_msgsnd(first, ptr, second, third);
2749 break;
d96372ef 2750
1c54ff97
AJ		 2751 case IPCOP_msgctl:
2752 ret = do_msgctl(first, second, ptr);
2753 break;
d96372ef 2754
1c54ff97
AJ		 2755 case IPCOP_msgrcv:
2756 switch (version) {
2757 case 0:
2758 {
2759 struct target_ipc_kludge {
2760 abi_long msgp;
2761 abi_long msgtyp;
2762 } *tmp;
2763
2764 if (!lock_user_struct(VERIFY_READ, tmp, ptr, 1)) {
2765 ret = -TARGET_EFAULT;
2766 break;
2767 }
d96372ef 2768
1c54ff97 2769 ret = do_msgrcv(first, tmp->msgp, second, tmp->msgtyp, third);
d96372ef 2770
1c54ff97
AJ		 2771 unlock_user_struct(tmp, ptr, 0);
2772 break;
2773 }
2774 default:
2775 ret = do_msgrcv(first, ptr, second, fifth, third);
2776 }
2777 break;
d96372ef 2778
8853f86e 2779 case IPCOP_shmat:
88a8c984
RV		 2780 switch (version) {
2781 default:
5a4a898d
FB		 2782 {
2783 abi_ulong raddr;
88a8c984
RV		 2784 raddr = do_shmat(first, ptr, second);
2785 if (is_error(raddr))
2786 return get_errno(raddr);
2f619698 2787 if (put_user_ual(raddr, third))
5a4a898d 2788 return -TARGET_EFAULT;
88a8c984
RV		 2789 break;
2790 }
2791 case 1:
2792 ret = -TARGET_EINVAL;
2793 break;
5a4a898d 2794 }
8853f86e
FB		 2795 break;
2796 case IPCOP_shmdt:
88a8c984 2797 ret = do_shmdt(ptr);
8853f86e
FB		 2798 break;
2799
2800 case IPCOP_shmget:
2801 /* IPC_* flag values are the same on all linux platforms */
2802 ret = get_errno(shmget(first, second, third));
2803 break;
2804
2805 /* IPC_* and SHM_* command values are the same on all linux platforms */
2806 case IPCOP_shmctl:
88a8c984 2807 ret = do_shmctl(first, second, third);
8853f86e
FB		 2808 break;
2809 default:
32407103 2810 gemu_log("Unsupported ipc call: %d (version %d)\n", call, version);
0da46a6e 2811 ret = -TARGET_ENOSYS;
8853f86e
FB		 2812 break;
2813 }
2814 return ret;
2815}
32407103 2816#endif
8853f86e 2817
31e31b8a
FB		 2818/* kernel structure types definitions */
2819#define IFNAMSIZ 16
2820
001faf32 2821#define STRUCT(name, ...) STRUCT_ ## name,
31e31b8a
FB		 2822#define STRUCT_SPECIAL(name) STRUCT_ ## name,
2823enum {
2824#include "syscall_types.h"
2825};
2826#undef STRUCT
2827#undef STRUCT_SPECIAL
2828
001faf32 2829#define STRUCT(name, ...) static const argtype struct_ ## name ## _def[] = { __VA_ARGS__, TYPE_NULL };
31e31b8a
FB		 2830#define STRUCT_SPECIAL(name)
2831#include "syscall_types.h"
2832#undef STRUCT
2833#undef STRUCT_SPECIAL
2834
2835typedef struct IOCTLEntry {
2ab83ea7
FB		 2836 unsigned int target_cmd;
2837 unsigned int host_cmd;
31e31b8a
FB		 2838 const char *name;
2839 int access;
1a9353d2 2840 const argtype arg_type[5];
31e31b8a
FB		 2841} IOCTLEntry;
2842
2843#define IOC_R 0x0001
2844#define IOC_W 0x0002
2845#define IOC_RW (IOC_R | IOC_W)
2846
2847#define MAX_STRUCT_SIZE 4096
2848
9f106a75 2849static IOCTLEntry ioctl_entries[] = {
001faf32
BS		 2850#define IOCTL(cmd, access, ...) \
2851 { TARGET_ ## cmd, cmd, #cmd, access, { __VA_ARGS__ } },
31e31b8a
FB		 2852#include "ioctls.h"
2853 { 0, 0, },
2854};
2855
53a5960a 2856/* ??? Implement proper locking for ioctls. */
0da46a6e 2857/* do_ioctl() Must return target values and target errnos. */
992f48a0 2858static abi_long do_ioctl(int fd, abi_long cmd, abi_long arg)
31e31b8a
FB		 2859{
2860 const IOCTLEntry *ie;
2861 const argtype *arg_type;
992f48a0 2862 abi_long ret;
31e31b8a 2863 uint8_t buf_temp[MAX_STRUCT_SIZE];
53a5960a
PB		 2864 int target_size;
2865 void *argptr;
31e31b8a
FB		 2866
2867 ie = ioctl_entries;
2868 for(;;) {
2869 if (ie->target_cmd == 0) {
32407103 2870 gemu_log("Unsupported ioctl: cmd=0x%04lx\n", (long)cmd);
0da46a6e 2871 return -TARGET_ENOSYS;
31e31b8a
FB		 2872 }
2873 if (ie->target_cmd == cmd)
2874 break;
2875 ie++;
2876 }
2877 arg_type = ie->arg_type;
9de5e440 2878#if defined(DEBUG)
32407103 2879 gemu_log("ioctl: cmd=0x%04lx (%s)\n", (long)cmd, ie->name);
72f03900 2880#endif
31e31b8a
FB		 2881 switch(arg_type[0]) {
2882 case TYPE_NULL:
2883 /* no argument */
2884 ret = get_errno(ioctl(fd, ie->host_cmd));
2885 break;
2886 case TYPE_PTRVOID:
2887 case TYPE_INT:
2888 /* int argment */
2889 ret = get_errno(ioctl(fd, ie->host_cmd, arg));
2890 break;
2891 case TYPE_PTR:
2892 arg_type++;
53a5960a 2893 target_size = thunk_type_size(arg_type, 0);
31e31b8a
FB		 2894 switch(ie->access) {
2895 case IOC_R:
2896 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2897 if (!is_error(ret)) {
579a97f7
FB		 2898 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2899 if (!argptr)
2900 return -TARGET_EFAULT;
53a5960a
PB		 2901 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2902 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2903 }
2904 break;
2905 case IOC_W:
579a97f7
FB		 2906 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2907 if (!argptr)
2908 return -TARGET_EFAULT;
53a5960a
PB		 2909 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2910 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2911 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2912 break;
2913 default:
2914 case IOC_RW:
579a97f7
FB		 2915 argptr = lock_user(VERIFY_READ, arg, target_size, 1);
2916 if (!argptr)
2917 return -TARGET_EFAULT;
53a5960a
PB		 2918 thunk_convert(buf_temp, argptr, arg_type, THUNK_HOST);
2919 unlock_user(argptr, arg, 0);
31e31b8a
FB		 2920 ret = get_errno(ioctl(fd, ie->host_cmd, buf_temp));
2921 if (!is_error(ret)) {
579a97f7
FB		 2922 argptr = lock_user(VERIFY_WRITE, arg, target_size, 0);
2923 if (!argptr)
2924 return -TARGET_EFAULT;
53a5960a
PB		 2925 thunk_convert(argptr, buf_temp, arg_type, THUNK_TARGET);
2926 unlock_user(argptr, arg, target_size);
31e31b8a
FB		 2927 }
2928 break;
2929 }
2930 break;
2931 default:
32407103
JM		 2932 gemu_log("Unsupported ioctl type: cmd=0x%04lx type=%d\n",
2933 (long)cmd, arg_type[0]);
0da46a6e 2934 ret = -TARGET_ENOSYS;
31e31b8a
FB		 2935 break;
2936 }
2937 return ret;
2938}
2939
b39bc503 2940static const bitmask_transtbl iflag_tbl[] = {
31e31b8a
FB		 2941 { TARGET_IGNBRK, TARGET_IGNBRK, IGNBRK, IGNBRK },
2942 { TARGET_BRKINT, TARGET_BRKINT, BRKINT, BRKINT },
2943 { TARGET_IGNPAR, TARGET_IGNPAR, IGNPAR, IGNPAR },
2944 { TARGET_PARMRK, TARGET_PARMRK, PARMRK, PARMRK },
2945 { TARGET_INPCK, TARGET_INPCK, INPCK, INPCK },
2946 { TARGET_ISTRIP, TARGET_ISTRIP, ISTRIP, ISTRIP },
2947 { TARGET_INLCR, TARGET_INLCR, INLCR, INLCR },
2948 { TARGET_IGNCR, TARGET_IGNCR, IGNCR, IGNCR },
2949 { TARGET_ICRNL, TARGET_ICRNL, ICRNL, ICRNL },
2950 { TARGET_IUCLC, TARGET_IUCLC, IUCLC, IUCLC },
2951 { TARGET_IXON, TARGET_IXON, IXON, IXON },
2952 { TARGET_IXANY, TARGET_IXANY, IXANY, IXANY },
2953 { TARGET_IXOFF, TARGET_IXOFF, IXOFF, IXOFF },
2954 { TARGET_IMAXBEL, TARGET_IMAXBEL, IMAXBEL, IMAXBEL },
2955 { 0, 0, 0, 0 }
2956};
2957
b39bc503 2958static const bitmask_transtbl oflag_tbl[] = {
31e31b8a
FB		 2959 { TARGET_OPOST, TARGET_OPOST, OPOST, OPOST },
2960 { TARGET_OLCUC, TARGET_OLCUC, OLCUC, OLCUC },
2961 { TARGET_ONLCR, TARGET_ONLCR, ONLCR, ONLCR },
2962 { TARGET_OCRNL, TARGET_OCRNL, OCRNL, OCRNL },
2963 { TARGET_ONOCR, TARGET_ONOCR, ONOCR, ONOCR },
2964 { TARGET_ONLRET, TARGET_ONLRET, ONLRET, ONLRET },
2965 { TARGET_OFILL, TARGET_OFILL, OFILL, OFILL },
2966 { TARGET_OFDEL, TARGET_OFDEL, OFDEL, OFDEL },
2967 { TARGET_NLDLY, TARGET_NL0, NLDLY, NL0 },
2968 { TARGET_NLDLY, TARGET_NL1, NLDLY, NL1 },
2969 { TARGET_CRDLY, TARGET_CR0, CRDLY, CR0 },
2970 { TARGET_CRDLY, TARGET_CR1, CRDLY, CR1 },
2971 { TARGET_CRDLY, TARGET_CR2, CRDLY, CR2 },
2972 { TARGET_CRDLY, TARGET_CR3, CRDLY, CR3 },
2973 { TARGET_TABDLY, TARGET_TAB0, TABDLY, TAB0 },
2974 { TARGET_TABDLY, TARGET_TAB1, TABDLY, TAB1 },
2975 { TARGET_TABDLY, TARGET_TAB2, TABDLY, TAB2 },
2976 { TARGET_TABDLY, TARGET_TAB3, TABDLY, TAB3 },
2977 { TARGET_BSDLY, TARGET_BS0, BSDLY, BS0 },
2978 { TARGET_BSDLY, TARGET_BS1, BSDLY, BS1 },
2979 { TARGET_VTDLY, TARGET_VT0, VTDLY, VT0 },
2980 { TARGET_VTDLY, TARGET_VT1, VTDLY, VT1 },
2981 { TARGET_FFDLY, TARGET_FF0, FFDLY, FF0 },
2982 { TARGET_FFDLY, TARGET_FF1, FFDLY, FF1 },
2983 { 0, 0, 0, 0 }
2984};
2985
b39bc503 2986static const bitmask_transtbl cflag_tbl[] = {
31e31b8a
FB		 2987 { TARGET_CBAUD, TARGET_B0, CBAUD, B0 },
2988 { TARGET_CBAUD, TARGET_B50, CBAUD, B50 },
2989 { TARGET_CBAUD, TARGET_B75, CBAUD, B75 },
2990 { TARGET_CBAUD, TARGET_B110, CBAUD, B110 },
2991 { TARGET_CBAUD, TARGET_B134, CBAUD, B134 },
2992 { TARGET_CBAUD, TARGET_B150, CBAUD, B150 },
2993 { TARGET_CBAUD, TARGET_B200, CBAUD, B200 },
2994 { TARGET_CBAUD, TARGET_B300, CBAUD, B300 },
2995 { TARGET_CBAUD, TARGET_B600, CBAUD, B600 },
2996 { TARGET_CBAUD, TARGET_B1200, CBAUD, B1200 },
2997 { TARGET_CBAUD, TARGET_B1800, CBAUD, B1800 },
2998 { TARGET_CBAUD, TARGET_B2400, CBAUD, B2400 },
2999 { TARGET_CBAUD, TARGET_B4800, CBAUD, B4800 },
3000 { TARGET_CBAUD, TARGET_B9600, CBAUD, B9600 },
3001 { TARGET_CBAUD, TARGET_B19200, CBAUD, B19200 },
3002 { TARGET_CBAUD, TARGET_B38400, CBAUD, B38400 },
3003 { TARGET_CBAUD, TARGET_B57600, CBAUD, B57600 },
3004 { TARGET_CBAUD, TARGET_B115200, CBAUD, B115200 },
3005 { TARGET_CBAUD, TARGET_B230400, CBAUD, B230400 },
3006 { TARGET_CBAUD, TARGET_B460800, CBAUD, B460800 },
3007 { TARGET_CSIZE, TARGET_CS5, CSIZE, CS5 },
3008 { TARGET_CSIZE, TARGET_CS6, CSIZE, CS6 },
3009 { TARGET_CSIZE, TARGET_CS7, CSIZE, CS7 },
3010 { TARGET_CSIZE, TARGET_CS8, CSIZE, CS8 },
3011 { TARGET_CSTOPB, TARGET_CSTOPB, CSTOPB, CSTOPB },
3012 { TARGET_CREAD, TARGET_CREAD, CREAD, CREAD },
3013 { TARGET_PARENB, TARGET_PARENB, PARENB, PARENB },
3014 { TARGET_PARODD, TARGET_PARODD, PARODD, PARODD },
3015 { TARGET_HUPCL, TARGET_HUPCL, HUPCL, HUPCL },
3016 { TARGET_CLOCAL, TARGET_CLOCAL, CLOCAL, CLOCAL },
3017 { TARGET_CRTSCTS, TARGET_CRTSCTS, CRTSCTS, CRTSCTS },
3018 { 0, 0, 0, 0 }
3019};
3020
b39bc503 3021static const bitmask_transtbl lflag_tbl[] = {
31e31b8a
FB		 3022 { TARGET_ISIG, TARGET_ISIG, ISIG, ISIG },
3023 { TARGET_ICANON, TARGET_ICANON, ICANON, ICANON },
3024 { TARGET_XCASE, TARGET_XCASE, XCASE, XCASE },
3025 { TARGET_ECHO, TARGET_ECHO, ECHO, ECHO },
3026 { TARGET_ECHOE, TARGET_ECHOE, ECHOE, ECHOE },
3027 { TARGET_ECHOK, TARGET_ECHOK, ECHOK, ECHOK },
3028 { TARGET_ECHONL, TARGET_ECHONL, ECHONL, ECHONL },
3029 { TARGET_NOFLSH, TARGET_NOFLSH, NOFLSH, NOFLSH },
3030 { TARGET_TOSTOP, TARGET_TOSTOP, TOSTOP, TOSTOP },
3031 { TARGET_ECHOCTL, TARGET_ECHOCTL, ECHOCTL, ECHOCTL },
3032 { TARGET_ECHOPRT, TARGET_ECHOPRT, ECHOPRT, ECHOPRT },
3033 { TARGET_ECHOKE, TARGET_ECHOKE, ECHOKE, ECHOKE },
3034 { TARGET_FLUSHO, TARGET_FLUSHO, FLUSHO, FLUSHO },
3035 { TARGET_PENDIN, TARGET_PENDIN, PENDIN, PENDIN },
3036 { TARGET_IEXTEN, TARGET_IEXTEN, IEXTEN, IEXTEN },
3037 { 0, 0, 0, 0 }
3038};
3039
3040static void target_to_host_termios (void *dst, const void *src)
3041{
3042 struct host_termios *host = dst;
3043 const struct target_termios *target = src;
3b46e624 3044
5fafdf24 3045 host->c_iflag =
31e31b8a 3046 target_to_host_bitmask(tswap32(target->c_iflag), iflag_tbl);
5fafdf24 3047 host->c_oflag =
31e31b8a 3048 target_to_host_bitmask(tswap32(target->c_oflag), oflag_tbl);
5fafdf24 3049 host->c_cflag =
31e31b8a 3050 target_to_host_bitmask(tswap32(target->c_cflag), cflag_tbl);
5fafdf24 3051 host->c_lflag =
31e31b8a
FB		 3052 target_to_host_bitmask(tswap32(target->c_lflag), lflag_tbl);
3053 host->c_line = target->c_line;
3b46e624 3054
44607123 3055 memset(host->c_cc, 0, sizeof(host->c_cc));
5fafdf24
TS		 3056 host->c_cc[VINTR] = target->c_cc[TARGET_VINTR];
3057 host->c_cc[VQUIT] = target->c_cc[TARGET_VQUIT];
3b46e624 3058 host->c_cc[VERASE] = target->c_cc[TARGET_VERASE];
5fafdf24 3059 host->c_cc[VKILL] = target->c_cc[TARGET_VKILL];
3b46e624 3060 host->c_cc[VEOF] = target->c_cc[TARGET_VEOF];
5fafdf24 3061 host->c_cc[VTIME] = target->c_cc[TARGET_VTIME];
3b46e624 3062 host->c_cc[VMIN] = target->c_cc[TARGET_VMIN];
5fafdf24 3063 host->c_cc[VSWTC] = target->c_cc[TARGET_VSWTC];
3b46e624 3064 host->c_cc[VSTART] = target->c_cc[TARGET_VSTART];
5fafdf24
TS		 3065 host->c_cc[VSTOP] = target->c_cc[TARGET_VSTOP];
3066 host->c_cc[VSUSP] = target->c_cc[TARGET_VSUSP];
3b46e624
TS		 3067 host->c_cc[VEOL] = target->c_cc[TARGET_VEOL];
3068 host->c_cc[VREPRINT] = target->c_cc[TARGET_VREPRINT];
3069 host->c_cc[VDISCARD] = target->c_cc[TARGET_VDISCARD];
3070 host->c_cc[VWERASE] = target->c_cc[TARGET_VWERASE];
3071 host->c_cc[VLNEXT] = target->c_cc[TARGET_VLNEXT];
5fafdf24 3072 host->c_cc[VEOL2] = target->c_cc[TARGET_VEOL2];
31e31b8a 3073}
3b46e624 3074
31e31b8a
FB		 3075static void host_to_target_termios (void *dst, const void *src)
3076{
3077 struct target_termios *target = dst;
3078 const struct host_termios *host = src;
3079
5fafdf24 3080 target->c_iflag =
31e31b8a 3081 tswap32(host_to_target_bitmask(host->c_iflag, iflag_tbl));
5fafdf24 3082 target->c_oflag =
31e31b8a 3083 tswap32(host_to_target_bitmask(host->c_oflag, oflag_tbl));
5fafdf24 3084 target->c_cflag =
31e31b8a 3085 tswap32(host_to_target_bitmask(host->c_cflag, cflag_tbl));
5fafdf24 3086 target->c_lflag =
31e31b8a
FB		 3087 tswap32(host_to_target_bitmask(host->c_lflag, lflag_tbl));
3088 target->c_line = host->c_line;
3b46e624 3089
44607123 3090 memset(target->c_cc, 0, sizeof(target->c_cc));
31e31b8a
FB		 3091 target->c_cc[TARGET_VINTR] = host->c_cc[VINTR];
3092 target->c_cc[TARGET_VQUIT] = host->c_cc[VQUIT];
3093 target->c_cc[TARGET_VERASE] = host->c_cc[VERASE];
3094 target->c_cc[TARGET_VKILL] = host->c_cc[VKILL];
3095 target->c_cc[TARGET_VEOF] = host->c_cc[VEOF];
3096 target->c_cc[TARGET_VTIME] = host->c_cc[VTIME];
3097 target->c_cc[TARGET_VMIN] = host->c_cc[VMIN];
3098 target->c_cc[TARGET_VSWTC] = host->c_cc[VSWTC];
3099 target->c_cc[TARGET_VSTART] = host->c_cc[VSTART];
3100 target->c_cc[TARGET_VSTOP] = host->c_cc[VSTOP];
3101 target->c_cc[TARGET_VSUSP] = host->c_cc[VSUSP];
3102 target->c_cc[TARGET_VEOL] = host->c_cc[VEOL];
3103 target->c_cc[TARGET_VREPRINT] = host->c_cc[VREPRINT];
3104 target->c_cc[TARGET_VDISCARD] = host->c_cc[VDISCARD];
3105 target->c_cc[TARGET_VWERASE] = host->c_cc[VWERASE];
3106 target->c_cc[TARGET_VLNEXT] = host->c_cc[VLNEXT];
3107 target->c_cc[TARGET_VEOL2] = host->c_cc[VEOL2];
3108}
3109
8e853dc7 3110static const StructEntry struct_termios_def = {
31e31b8a
FB		 3111 .convert = { host_to_target_termios, target_to_host_termios },
3112 .size = { sizeof(struct target_termios), sizeof(struct host_termios) },
3113 .align = { __alignof__(struct target_termios), __alignof__(struct host_termios) },
3114};
3115
5286db75
FB		 3116static bitmask_transtbl mmap_flags_tbl[] = {
3117 { TARGET_MAP_SHARED, TARGET_MAP_SHARED, MAP_SHARED, MAP_SHARED },
3118 { TARGET_MAP_PRIVATE, TARGET_MAP_PRIVATE, MAP_PRIVATE, MAP_PRIVATE },
3119 { TARGET_MAP_FIXED, TARGET_MAP_FIXED, MAP_FIXED, MAP_FIXED },
3120 { TARGET_MAP_ANONYMOUS, TARGET_MAP_ANONYMOUS, MAP_ANONYMOUS, MAP_ANONYMOUS },
3121 { TARGET_MAP_GROWSDOWN, TARGET_MAP_GROWSDOWN, MAP_GROWSDOWN, MAP_GROWSDOWN },
3122 { TARGET_MAP_DENYWRITE, TARGET_MAP_DENYWRITE, MAP_DENYWRITE, MAP_DENYWRITE },
3123 { TARGET_MAP_EXECUTABLE, TARGET_MAP_EXECUTABLE, MAP_EXECUTABLE, MAP_EXECUTABLE },
3124 { TARGET_MAP_LOCKED, TARGET_MAP_LOCKED, MAP_LOCKED, MAP_LOCKED },
3125 { 0, 0, 0, 0 }
3126};
3127
2ab83ea7 3128#if defined(TARGET_I386)
6dbad63e
FB		 3129
3130/* NOTE: there is really one LDT for all the threads */
b1d8e52e 3131static uint8_t *ldt_table;
6dbad63e 3132
03acab66 3133static abi_long read_ldt(abi_ulong ptr, unsigned long bytecount)
6dbad63e
FB		 3134{
3135 int size;
53a5960a 3136 void *p;
6dbad63e
FB		 3137
3138 if (!ldt_table)
3139 return 0;
3140 size = TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE;
3141 if (size > bytecount)
3142 size = bytecount;
579a97f7
FB		 3143 p = lock_user(VERIFY_WRITE, ptr, size, 0);
3144 if (!p)
03acab66 3145 return -TARGET_EFAULT;
579a97f7 3146 /* ??? Should this by byteswapped? */
53a5960a
PB		 3147 memcpy(p, ldt_table, size);
3148 unlock_user(p, ptr, size);
6dbad63e
FB		 3149 return size;
3150}
3151
3152/* XXX: add locking support */
03acab66
FB		 3153static abi_long write_ldt(CPUX86State *env,
3154 abi_ulong ptr, unsigned long bytecount, int oldmode)
6dbad63e
FB		 3155{
3156 struct target_modify_ldt_ldt_s ldt_info;
53a5960a 3157 struct target_modify_ldt_ldt_s *target_ldt_info;
6dbad63e 3158 int seg_32bit, contents, read_exec_only, limit_in_pages;
8d18e893 3159 int seg_not_present, useable, lm;
6dbad63e
FB		 3160 uint32_t *lp, entry_1, entry_2;
3161
3162 if (bytecount != sizeof(ldt_info))
03acab66 3163 return -TARGET_EINVAL;
579a97f7 3164 if (!lock_user_struct(VERIFY_READ, target_ldt_info, ptr, 1))
03acab66 3165 return -TARGET_EFAULT;
53a5960a
PB		 3166 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3167 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3168 ldt_info.limit = tswap32(target_ldt_info->limit);
3169 ldt_info.flags = tswap32(target_ldt_info->flags);
3170 unlock_user_struct(target_ldt_info, ptr, 0);
3b46e624 3171
6dbad63e 3172 if (ldt_info.entry_number >= TARGET_LDT_ENTRIES)
03acab66 3173 return -TARGET_EINVAL;
6dbad63e
FB		 3174 seg_32bit = ldt_info.flags & 1;
3175 contents = (ldt_info.flags >> 1) & 3;
3176 read_exec_only = (ldt_info.flags >> 3) & 1;
3177 limit_in_pages = (ldt_info.flags >> 4) & 1;
3178 seg_not_present = (ldt_info.flags >> 5) & 1;
3179 useable = (ldt_info.flags >> 6) & 1;
8d18e893
FB		 3180#ifdef TARGET_ABI32
3181 lm = 0;
3182#else
3183 lm = (ldt_info.flags >> 7) & 1;
3184#endif
6dbad63e
FB		 3185 if (contents == 3) {
3186 if (oldmode)
03acab66 3187 return -TARGET_EINVAL;
6dbad63e 3188 if (seg_not_present == 0)
03acab66 3189 return -TARGET_EINVAL;
6dbad63e
FB		 3190 }
3191 /* allocate the LDT */
3192 if (!ldt_table) {
e441570f
AZ		 3193 env->ldt.base = target_mmap(0,
3194 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE,
3195 PROT_READ|PROT_WRITE,
3196 MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
3197 if (env->ldt.base == -1)
03acab66 3198 return -TARGET_ENOMEM;
e441570f
AZ		 3199 memset(g2h(env->ldt.base), 0,
3200 TARGET_LDT_ENTRIES * TARGET_LDT_ENTRY_SIZE);
6dbad63e 3201 env->ldt.limit = 0xffff;
e441570f 3202 ldt_table = g2h(env->ldt.base);
6dbad63e
FB		 3203 }
3204
3205 /* NOTE: same code as Linux kernel */
3206 /* Allow LDTs to be cleared by the user. */
3207 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3208 if (oldmode ||
3209 (contents == 0 &&
3210 read_exec_only == 1 &&
3211 seg_32bit == 0 &&
3212 limit_in_pages == 0 &&
3213 seg_not_present == 1 &&
3214 useable == 0 )) {
3215 entry_1 = 0;
3216 entry_2 = 0;
3217 goto install;
3218 }
3219 }
3b46e624 3220
6dbad63e
FB		 3221 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3222 (ldt_info.limit & 0x0ffff);
3223 entry_2 = (ldt_info.base_addr & 0xff000000) |
3224 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3225 (ldt_info.limit & 0xf0000) |
3226 ((read_exec_only ^ 1) << 9) |
3227 (contents << 10) |
3228 ((seg_not_present ^ 1) << 15) |
3229 (seg_32bit << 22) |
3230 (limit_in_pages << 23) |
8d18e893 3231 (lm << 21) |
6dbad63e
FB		 3232 0x7000;
3233 if (!oldmode)
3234 entry_2 |= (useable << 20);
14ae3ba7 3235
6dbad63e
FB		 3236 /* Install the new entry ... */
3237install:
3238 lp = (uint32_t *)(ldt_table + (ldt_info.entry_number << 3));
3239 lp[0] = tswap32(entry_1);
3240 lp[1] = tswap32(entry_2);
3241 return 0;
3242}
3243
3244/* specific and weird i386 syscalls */
8fcd3692
BS		 3245static abi_long do_modify_ldt(CPUX86State *env, int func, abi_ulong ptr,
3246 unsigned long bytecount)
6dbad63e 3247{
03acab66 3248 abi_long ret;
3b46e624 3249
6dbad63e
FB		 3250 switch (func) {
3251 case 0:
3252 ret = read_ldt(ptr, bytecount);
3253 break;
3254 case 1:
3255 ret = write_ldt(env, ptr, bytecount, 1);
3256 break;
3257 case 0x11:
3258 ret = write_ldt(env, ptr, bytecount, 0);
3259 break;
03acab66
FB		 3260 default:
3261 ret = -TARGET_ENOSYS;
3262 break;
6dbad63e
FB		 3263 }
3264 return ret;
3265}
1b6b029e 3266
4583f589 3267#if defined(TARGET_I386) && defined(TARGET_ABI32)
8fcd3692 3268static abi_long do_set_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3269{
3270 uint64_t *gdt_table = g2h(env->gdt.base);
3271 struct target_modify_ldt_ldt_s ldt_info;
3272 struct target_modify_ldt_ldt_s *target_ldt_info;
3273 int seg_32bit, contents, read_exec_only, limit_in_pages;
3274 int seg_not_present, useable, lm;
3275 uint32_t *lp, entry_1, entry_2;
3276 int i;
3277
3278 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3279 if (!target_ldt_info)
3280 return -TARGET_EFAULT;
3281 ldt_info.entry_number = tswap32(target_ldt_info->entry_number);
3282 ldt_info.base_addr = tswapl(target_ldt_info->base_addr);
3283 ldt_info.limit = tswap32(target_ldt_info->limit);
3284 ldt_info.flags = tswap32(target_ldt_info->flags);
3285 if (ldt_info.entry_number == -1) {
3286 for (i=TARGET_GDT_ENTRY_TLS_MIN; i<=TARGET_GDT_ENTRY_TLS_MAX; i++) {
3287 if (gdt_table[i] == 0) {
3288 ldt_info.entry_number = i;
3289 target_ldt_info->entry_number = tswap32(i);
3290 break;
3291 }
3292 }
3293 }
3294 unlock_user_struct(target_ldt_info, ptr, 1);
3295
3296 if (ldt_info.entry_number < TARGET_GDT_ENTRY_TLS_MIN ||
3297 ldt_info.entry_number > TARGET_GDT_ENTRY_TLS_MAX)
3298 return -TARGET_EINVAL;
3299 seg_32bit = ldt_info.flags & 1;
3300 contents = (ldt_info.flags >> 1) & 3;
3301 read_exec_only = (ldt_info.flags >> 3) & 1;
3302 limit_in_pages = (ldt_info.flags >> 4) & 1;
3303 seg_not_present = (ldt_info.flags >> 5) & 1;
3304 useable = (ldt_info.flags >> 6) & 1;
3305#ifdef TARGET_ABI32
3306 lm = 0;
3307#else
3308 lm = (ldt_info.flags >> 7) & 1;
3309#endif
3310
3311 if (contents == 3) {
3312 if (seg_not_present == 0)
3313 return -TARGET_EINVAL;
3314 }
3315
3316 /* NOTE: same code as Linux kernel */
3317 /* Allow LDTs to be cleared by the user. */
3318 if (ldt_info.base_addr == 0 && ldt_info.limit == 0) {
3319 if ((contents == 0 &&
3320 read_exec_only == 1 &&
3321 seg_32bit == 0 &&
3322 limit_in_pages == 0 &&
3323 seg_not_present == 1 &&
3324 useable == 0 )) {
3325 entry_1 = 0;
3326 entry_2 = 0;
3327 goto install;
3328 }
3329 }
3330
3331 entry_1 = ((ldt_info.base_addr & 0x0000ffff) << 16) |
3332 (ldt_info.limit & 0x0ffff);
3333 entry_2 = (ldt_info.base_addr & 0xff000000) |
3334 ((ldt_info.base_addr & 0x00ff0000) >> 16) |
3335 (ldt_info.limit & 0xf0000) |
3336 ((read_exec_only ^ 1) << 9) |
3337 (contents << 10) |
3338 ((seg_not_present ^ 1) << 15) |
3339 (seg_32bit << 22) |
3340 (limit_in_pages << 23) |
3341 (useable << 20) |
3342 (lm << 21) |
3343 0x7000;
3344
3345 /* Install the new entry ... */
3346install:
3347 lp = (uint32_t *)(gdt_table + ldt_info.entry_number);
3348 lp[0] = tswap32(entry_1);
3349 lp[1] = tswap32(entry_2);
3350 return 0;
3351}
3352
8fcd3692 3353static abi_long do_get_thread_area(CPUX86State *env, abi_ulong ptr)
8d18e893
FB		 3354{
3355 struct target_modify_ldt_ldt_s *target_ldt_info;
3356 uint64_t *gdt_table = g2h(env->gdt.base);
3357 uint32_t base_addr, limit, flags;
3358 int seg_32bit, contents, read_exec_only, limit_in_pages, idx;
3359 int seg_not_present, useable, lm;
3360 uint32_t *lp, entry_1, entry_2;
3361
3362 lock_user_struct(VERIFY_WRITE, target_ldt_info, ptr, 1);
3363 if (!target_ldt_info)
3364 return -TARGET_EFAULT;
3365 idx = tswap32(target_ldt_info->entry_number);
3366 if (idx < TARGET_GDT_ENTRY_TLS_MIN ||
3367 idx > TARGET_GDT_ENTRY_TLS_MAX) {
3368 unlock_user_struct(target_ldt_info, ptr, 1);
3369 return -TARGET_EINVAL;
3370 }
3371 lp = (uint32_t *)(gdt_table + idx);
3372 entry_1 = tswap32(lp[0]);
3373 entry_2 = tswap32(lp[1]);
3374
3375 read_exec_only = ((entry_2 >> 9) & 1) ^ 1;
3376 contents = (entry_2 >> 10) & 3;
3377 seg_not_present = ((entry_2 >> 15) & 1) ^ 1;
3378 seg_32bit = (entry_2 >> 22) & 1;
3379 limit_in_pages = (entry_2 >> 23) & 1;
3380 useable = (entry_2 >> 20) & 1;
3381#ifdef TARGET_ABI32
3382 lm = 0;
3383#else
3384 lm = (entry_2 >> 21) & 1;
3385#endif
3386 flags = (seg_32bit << 0) | (contents << 1) |
3387 (read_exec_only << 3) | (limit_in_pages << 4) |
3388 (seg_not_present << 5) | (useable << 6) | (lm << 7);
3389 limit = (entry_1 & 0xffff) | (entry_2 & 0xf0000);
3390 base_addr = (entry_1 >> 16) |
3391 (entry_2 & 0xff000000) |
3392 ((entry_2 & 0xff) << 16);
3393 target_ldt_info->base_addr = tswapl(base_addr);
3394 target_ldt_info->limit = tswap32(limit);
3395 target_ldt_info->flags = tswap32(flags);
3396 unlock_user_struct(target_ldt_info, ptr, 1);
3397 return 0;
3398}
4583f589 3399#endif /* TARGET_I386 && TARGET_ABI32 */
8d18e893 3400
d2fd1af7 3401#ifndef TARGET_ABI32
8fcd3692 3402static abi_long do_arch_prctl(CPUX86State *env, int code, abi_ulong addr)
d2fd1af7
FB		 3403{
3404 abi_long ret;
3405 abi_ulong val;
3406 int idx;
3407
3408 switch(code) {
3409 case TARGET_ARCH_SET_GS:
3410 case TARGET_ARCH_SET_FS:
3411 if (code == TARGET_ARCH_SET_GS)
3412 idx = R_GS;
3413 else
3414 idx = R_FS;
3415 cpu_x86_load_seg(env, idx, 0);
3416 env->segs[idx].base = addr;
3417 break;
3418 case TARGET_ARCH_GET_GS:
3419 case TARGET_ARCH_GET_FS:
3420 if (code == TARGET_ARCH_GET_GS)
3421 idx = R_GS;
3422 else
3423 idx = R_FS;
3424 val = env->segs[idx].base;
3425 if (put_user(val, addr, abi_ulong))
3426 return -TARGET_EFAULT;
3427 break;
3428 default:
3429 ret = -TARGET_EINVAL;
3430 break;
3431 }
3432 return 0;
3433}
3434#endif
3435
2ab83ea7
FB		 3436#endif /* defined(TARGET_I386) */
3437
d865bab5
PB		 3438#if defined(USE_NPTL)
3439
3440#define NEW_STACK_SIZE PTHREAD_STACK_MIN
3441
3442static pthread_mutex_t clone_lock = PTHREAD_MUTEX_INITIALIZER;
3443typedef struct {
3444 CPUState *env;
3445 pthread_mutex_t mutex;
3446 pthread_cond_t cond;
3447 pthread_t thread;
3448 uint32_t tid;
3449 abi_ulong child_tidptr;
3450 abi_ulong parent_tidptr;
3451 sigset_t sigmask;
3452} new_thread_info;
3453
3454static void *clone_func(void *arg)
3455{
3456 new_thread_info *info = arg;
3457 CPUState *env;
edf8e2af 3458 TaskState *ts;
d865bab5
PB		 3459
3460 env = info->env;
3461 thread_env = env;
edf8e2af 3462 ts = (TaskState *)thread_env->opaque;
d865bab5 3463 info->tid = gettid();
1e9fa730 3464 env->host_tid = info->tid;
edf8e2af 3465 task_settid(ts);
d865bab5
PB		 3466 if (info->child_tidptr)
3467 put_user_u32(info->tid, info->child_tidptr);
3468 if (info->parent_tidptr)
3469 put_user_u32(info->tid, info->parent_tidptr);
3470 /* Enable signals. */
3471 sigprocmask(SIG_SETMASK, &info->sigmask, NULL);
3472 /* Signal to the parent that we're ready. */
3473 pthread_mutex_lock(&info->mutex);
3474 pthread_cond_broadcast(&info->cond);
3475 pthread_mutex_unlock(&info->mutex);
3476 /* Wait until the parent has finshed initializing the tls state. */
3477 pthread_mutex_lock(&clone_lock);
3478 pthread_mutex_unlock(&clone_lock);
3479 cpu_loop(env);
3480 /* never exits */
3481 return NULL;
3482}
3483#else
1b6b029e
FB		 3484/* this stack is the equivalent of the kernel stack associated with a
3485 thread/process */
3486#define NEW_STACK_SIZE 8192
3487
3488static int clone_func(void *arg)
3489{
2ab83ea7 3490 CPUState *env = arg;
1b6b029e
FB		 3491 cpu_loop(env);
3492 /* never exits */
3493 return 0;
3494}
d865bab5 3495#endif
1b6b029e 3496
0da46a6e
TS		 3497/* do_fork() Must return host values and target errnos (unlike most
3498 do_*() functions). */
d865bab5
PB		 3499static int do_fork(CPUState *env, unsigned int flags, abi_ulong newsp,
3500 abi_ulong parent_tidptr, target_ulong newtls,
3501 abi_ulong child_tidptr)
1b6b029e
FB		 3502{
3503 int ret;
5cd4393b 3504 TaskState *ts;
1b6b029e 3505 uint8_t *new_stack;
2ab83ea7 3506 CPUState *new_env;
d865bab5
PB		 3507#if defined(USE_NPTL)
3508 unsigned int nptl_flags;
3509 sigset_t sigmask;
3510#endif
3b46e624 3511
436d124b
AZ		 3512 /* Emulate vfork() with fork() */
3513 if (flags & CLONE_VFORK)
3514 flags &= ~(CLONE_VFORK | CLONE_VM);
3515
1b6b029e 3516 if (flags & CLONE_VM) {
edf8e2af 3517 TaskState *parent_ts = (TaskState *)env->opaque;
bd0c5661 3518#if defined(USE_NPTL)
d865bab5
PB		 3519 new_thread_info info;
3520 pthread_attr_t attr;
bd0c5661 3521#endif
c3a92833 3522 ts = qemu_mallocz(sizeof(TaskState) + NEW_STACK_SIZE);
624f7979 3523 init_task_state(ts);
5cd4393b 3524 new_stack = ts->stack;
1b6b029e 3525 /* we create a new CPU instance. */
c5be9f08 3526 new_env = cpu_copy(env);
6e68e076
PB		 3527 /* Init regs that differ from the parent. */
3528 cpu_clone_regs(new_env, newsp);
5cd4393b 3529 new_env->opaque = ts;
edf8e2af
MW		 3530 ts->bprm = parent_ts->bprm;
3531 ts->info = parent_ts->info;
d865bab5
PB		 3532#if defined(USE_NPTL)
3533 nptl_flags = flags;
3534 flags &= ~CLONE_NPTL_FLAGS2;
3535
c2764719
PB		 3536 if (nptl_flags & CLONE_CHILD_CLEARTID) {
3537 ts->child_tidptr = child_tidptr;
3538 }
3539
d865bab5
PB		 3540 if (nptl_flags & CLONE_SETTLS)
3541 cpu_set_tls (new_env, newtls);
3542
3543 /* Grab a mutex so that thread setup appears atomic. */
3544 pthread_mutex_lock(&clone_lock);
3545
3546 memset(&info, 0, sizeof(info));
3547 pthread_mutex_init(&info.mutex, NULL);
3548 pthread_mutex_lock(&info.mutex);
3549 pthread_cond_init(&info.cond, NULL);
3550 info.env = new_env;
3551 if (nptl_flags & CLONE_CHILD_SETTID)
3552 info.child_tidptr = child_tidptr;
3553 if (nptl_flags & CLONE_PARENT_SETTID)
3554 info.parent_tidptr = parent_tidptr;
3555
3556 ret = pthread_attr_init(&attr);
3557 ret = pthread_attr_setstack(&attr, new_stack, NEW_STACK_SIZE);
3558 /* It is not safe to deliver signals until the child has finished
3559 initializing, so temporarily block all signals. */
3560 sigfillset(&sigmask);
3561 sigprocmask(SIG_BLOCK, &sigmask, &info.sigmask);
3562
3563 ret = pthread_create(&info.thread, &attr, clone_func, &info);
c2764719 3564 /* TODO: Free new CPU state if thread creation failed. */
d865bab5
PB		 3565
3566 sigprocmask(SIG_SETMASK, &info.sigmask, NULL);
3567 pthread_attr_destroy(&attr);
3568 if (ret == 0) {
3569 /* Wait for the child to initialize. */
3570 pthread_cond_wait(&info.cond, &info.mutex);
3571 ret = info.tid;
3572 if (flags & CLONE_PARENT_SETTID)
3573 put_user_u32(ret, parent_tidptr);
3574 } else {
3575 ret = -1;
3576 }
3577 pthread_mutex_unlock(&info.mutex);
3578 pthread_cond_destroy(&info.cond);
3579 pthread_mutex_destroy(&info.mutex);
3580 pthread_mutex_unlock(&clone_lock);
3581#else
3582 if (flags & CLONE_NPTL_FLAGS2)
3583 return -EINVAL;
3584 /* This is probably going to die very quickly, but do it anyway. */
27725c1d 3585#ifdef __ia64__
fd4a43e4 3586 ret = __clone2(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
27725c1d
FB		 3587#else
3588 ret = clone(clone_func, new_stack + NEW_STACK_SIZE, flags, new_env);
d865bab5 3589#endif
27725c1d 3590#endif
1b6b029e
FB		 3591 } else {
3592 /* if no CLONE_VM, we consider it is a fork */
d865bab5 3593 if ((flags & ~(CSIGNAL | CLONE_NPTL_FLAGS2)) != 0)
1b6b029e 3594 return -EINVAL;
d865bab5 3595 fork_start();
1b6b029e 3596 ret = fork();
d865bab5 3597 if (ret == 0) {
2b1319c8 3598 /* Child Process. */
d865bab5
PB		 3599 cpu_clone_regs(env, newsp);
3600 fork_end(1);
2b1319c8
AJ		 3601#if defined(USE_NPTL)
3602 /* There is a race condition here. The parent process could
3603 theoretically read the TID in the child process before the child
3604 tid is set. This would require using either ptrace
3605 (not implemented) or having *_tidptr to point at a shared memory
3606 mapping. We can't repeat the spinlock hack used above because
3607 the child process gets its own copy of the lock. */
d865bab5
PB		 3608 if (flags & CLONE_CHILD_SETTID)
3609 put_user_u32(gettid(), child_tidptr);
3610 if (flags & CLONE_PARENT_SETTID)
3611 put_user_u32(gettid(), parent_tidptr);
3612 ts = (TaskState *)env->opaque;
3613 if (flags & CLONE_SETTLS)
3614 cpu_set_tls (env, newtls);
c2764719
PB		 3615 if (flags & CLONE_CHILD_CLEARTID)
3616 ts->child_tidptr = child_tidptr;
2b1319c8 3617#endif
d865bab5
PB		 3618 } else {
3619 fork_end(0);
3620 }
1b6b029e
FB		 3621 }
3622 return ret;
3623}
3624
5f106811
APR		 3625/* warning : doesn't handle linux specific flags... */
3626static int target_to_host_fcntl_cmd(int cmd)
3627{
3628 switch(cmd) {
3629 case TARGET_F_DUPFD:
3630 case TARGET_F_GETFD:
3631 case TARGET_F_SETFD:
3632 case TARGET_F_GETFL:
3633 case TARGET_F_SETFL:
3634 return cmd;
3635 case TARGET_F_GETLK:
3636 return F_GETLK;
3637 case TARGET_F_SETLK:
3638 return F_SETLK;
3639 case TARGET_F_SETLKW:
3640 return F_SETLKW;
3641 case TARGET_F_GETOWN:
3642 return F_GETOWN;
3643 case TARGET_F_SETOWN:
3644 return F_SETOWN;
3645 case TARGET_F_GETSIG:
3646 return F_GETSIG;
3647 case TARGET_F_SETSIG:
3648 return F_SETSIG;
3649#if TARGET_ABI_BITS == 32
3650 case TARGET_F_GETLK64:
3651 return F_GETLK64;
3652 case TARGET_F_SETLK64:
3653 return F_SETLK64;
3654 case TARGET_F_SETLKW64:
3655 return F_SETLKW64;
3656#endif
3657 default:
3658 return -TARGET_EINVAL;
3659 }
3660 return -TARGET_EINVAL;
3661}
3662
992f48a0 3663static abi_long do_fcntl(int fd, int cmd, abi_ulong arg)
7775e9ec
FB		 3664{
3665 struct flock fl;
53a5960a 3666 struct target_flock *target_fl;
43f238d7
TS		 3667 struct flock64 fl64;
3668 struct target_flock64 *target_fl64;
992f48a0 3669 abi_long ret;
5f106811
APR		 3670 int host_cmd = target_to_host_fcntl_cmd(cmd);
3671
3672 if (host_cmd == -TARGET_EINVAL)
3673 return host_cmd;
53a5960a 3674
7775e9ec
FB		 3675 switch(cmd) {
3676 case TARGET_F_GETLK:
579a97f7
FB		 3677 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3678 return -TARGET_EFAULT;
5813427b
TS		 3679 fl.l_type = tswap16(target_fl->l_type);
3680 fl.l_whence = tswap16(target_fl->l_whence);
3681 fl.l_start = tswapl(target_fl->l_start);
3682 fl.l_len = tswapl(target_fl->l_len);
3683 fl.l_pid = tswapl(target_fl->l_pid);
3684 unlock_user_struct(target_fl, arg, 0);
5f106811 3685 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3686 if (ret == 0) {
579a97f7
FB		 3687 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg, 0))
3688 return -TARGET_EFAULT;
7775e9ec
FB		 3689 target_fl->l_type = tswap16(fl.l_type);
3690 target_fl->l_whence = tswap16(fl.l_whence);
3691 target_fl->l_start = tswapl(fl.l_start);
3692 target_fl->l_len = tswapl(fl.l_len);
3693 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 3694 unlock_user_struct(target_fl, arg, 1);
7775e9ec
FB		 3695 }
3696 break;
3b46e624 3697
7775e9ec
FB		 3698 case TARGET_F_SETLK:
3699 case TARGET_F_SETLKW:
579a97f7
FB		 3700 if (!lock_user_struct(VERIFY_READ, target_fl, arg, 1))
3701 return -TARGET_EFAULT;
7775e9ec
FB		 3702 fl.l_type = tswap16(target_fl->l_type);
3703 fl.l_whence = tswap16(target_fl->l_whence);
3704 fl.l_start = tswapl(target_fl->l_start);
3705 fl.l_len = tswapl(target_fl->l_len);
3706 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 3707 unlock_user_struct(target_fl, arg, 0);
5f106811 3708 ret = get_errno(fcntl(fd, host_cmd, &fl));
7775e9ec 3709 break;
3b46e624 3710
7775e9ec 3711 case TARGET_F_GETLK64:
579a97f7
FB		 3712 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3713 return -TARGET_EFAULT;
5813427b
TS		 3714 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3715 fl64.l_whence = tswap16(target_fl64->l_whence);
3716 fl64.l_start = tswapl(target_fl64->l_start);
3717 fl64.l_len = tswapl(target_fl64->l_len);
3718 fl64.l_pid = tswap16(target_fl64->l_pid);
3719 unlock_user_struct(target_fl64, arg, 0);
5f106811 3720 ret = get_errno(fcntl(fd, host_cmd, &fl64));
43f238d7 3721 if (ret == 0) {
579a97f7
FB		 3722 if (!lock_user_struct(VERIFY_WRITE, target_fl64, arg, 0))
3723 return -TARGET_EFAULT;
43f238d7
TS		 3724 target_fl64->l_type = tswap16(fl64.l_type) >> 1;
3725 target_fl64->l_whence = tswap16(fl64.l_whence);
3726 target_fl64->l_start = tswapl(fl64.l_start);
3727 target_fl64->l_len = tswapl(fl64.l_len);
3728 target_fl64->l_pid = tswapl(fl64.l_pid);
3729 unlock_user_struct(target_fl64, arg, 1);
3730 }
9ee1fa2c 3731 break;
7775e9ec
FB		 3732 case TARGET_F_SETLK64:
3733 case TARGET_F_SETLKW64:
579a97f7
FB		 3734 if (!lock_user_struct(VERIFY_READ, target_fl64, arg, 1))
3735 return -TARGET_EFAULT;
43f238d7
TS		 3736 fl64.l_type = tswap16(target_fl64->l_type) >> 1;
3737 fl64.l_whence = tswap16(target_fl64->l_whence);
3738 fl64.l_start = tswapl(target_fl64->l_start);
3739 fl64.l_len = tswapl(target_fl64->l_len);
3740 fl64.l_pid = tswap16(target_fl64->l_pid);
3741 unlock_user_struct(target_fl64, arg, 0);
5f106811 3742 ret = get_errno(fcntl(fd, host_cmd, &fl64));
7775e9ec
FB		 3743 break;
3744
5f106811
APR		 3745 case TARGET_F_GETFL:
3746 ret = get_errno(fcntl(fd, host_cmd, arg));
9ee1fa2c
FB		 3747 if (ret >= 0) {
3748 ret = host_to_target_bitmask(ret, fcntl_flags_tbl);
3749 }
ffa65c3b
FB		 3750 break;
3751
5f106811
APR		 3752 case TARGET_F_SETFL:
3753 ret = get_errno(fcntl(fd, host_cmd, target_to_host_bitmask(arg, fcntl_flags_tbl)));
3754 break;
3755
3756 case TARGET_F_SETOWN:
3757 case TARGET_F_GETOWN:
3758 case TARGET_F_SETSIG:
3759 case TARGET_F_GETSIG:
3760 ret = get_errno(fcntl(fd, host_cmd, arg));
ffa65c3b
FB		 3761 break;
3762
7775e9ec 3763 default:
9ee1fa2c 3764 ret = get_errno(fcntl(fd, cmd, arg));
7775e9ec
FB		 3765 break;
3766 }
3767 return ret;
3768}
3769
67867308 3770#ifdef USE_UID16
7775e9ec 3771
67867308
FB		 3772static inline int high2lowuid(int uid)
3773{
3774 if (uid > 65535)
3775 return 65534;
3776 else
3777 return uid;
3778}
3779
3780static inline int high2lowgid(int gid)
3781{
3782 if (gid > 65535)
3783 return 65534;
3784 else
3785 return gid;
3786}
3787
3788static inline int low2highuid(int uid)
3789{
3790 if ((int16_t)uid == -1)
3791 return -1;
3792 else
3793 return uid;
3794}
3795
3796static inline int low2highgid(int gid)
3797{
3798 if ((int16_t)gid == -1)
3799 return -1;
3800 else
3801 return gid;
3802}
3803
3804#endif /* USE_UID16 */
1b6b029e 3805
31e31b8a
FB		 3806void syscall_init(void)
3807{
2ab83ea7
FB		 3808 IOCTLEntry *ie;
3809 const argtype *arg_type;
3810 int size;
b92c47c1 3811 int i;
2ab83ea7 3812
001faf32 3813#define STRUCT(name, ...) thunk_register_struct(STRUCT_ ## name, #name, struct_ ## name ## _def);
5fafdf24 3814#define STRUCT_SPECIAL(name) thunk_register_struct_direct(STRUCT_ ## name, #name, &struct_ ## name ## _def);
31e31b8a
FB		 3815#include "syscall_types.h"
3816#undef STRUCT
3817#undef STRUCT_SPECIAL
2ab83ea7
FB		 3818
3819 /* we patch the ioctl size if necessary. We rely on the fact that
3820 no ioctl has all the bits at '1' in the size field */
3821 ie = ioctl_entries;
3822 while (ie->target_cmd != 0) {
3823 if (((ie->target_cmd >> TARGET_IOC_SIZESHIFT) & TARGET_IOC_SIZEMASK) ==
3824 TARGET_IOC_SIZEMASK) {
3825 arg_type = ie->arg_type;
3826 if (arg_type[0] != TYPE_PTR) {
5fafdf24 3827 fprintf(stderr, "cannot patch size for ioctl 0x%x\n",
2ab83ea7
FB		 3828 ie->target_cmd);
3829 exit(1);
3830 }
3831 arg_type++;
3832 size = thunk_type_size(arg_type, 0);
5fafdf24 3833 ie->target_cmd = (ie->target_cmd &
2ab83ea7
FB		 3834 ~(TARGET_IOC_SIZEMASK << TARGET_IOC_SIZESHIFT)) |
3835 (size << TARGET_IOC_SIZESHIFT);
3836 }
b92c47c1
TS		 3837
3838 /* Build target_to_host_errno_table[] table from
3839 * host_to_target_errno_table[]. */
3840 for (i=0; i < ERRNO_TABLE_SIZE; i++)
3841 target_to_host_errno_table[host_to_target_errno_table[i]] = i;
3842
2ab83ea7 3843 /* automatic consistency check if same arch */
872ea0c0
AZ		 3844#if (defined(__i386__) && defined(TARGET_I386) && defined(TARGET_ABI32)) || \
3845 (defined(__x86_64__) && defined(TARGET_X86_64))
3846 if (unlikely(ie->target_cmd != ie->host_cmd)) {
3847 fprintf(stderr, "ERROR: ioctl(%s): target=0x%x host=0x%x\n",
3848 ie->name, ie->target_cmd, ie->host_cmd);
2ab83ea7
FB		 3849 }
3850#endif
3851 ie++;
3852 }
31e31b8a 3853}
c573ff67 3854
992f48a0 3855#if TARGET_ABI_BITS == 32
ce4defa0
PB		 3856static inline uint64_t target_offset64(uint32_t word0, uint32_t word1)
3857{
af325d36 3858#ifdef TARGET_WORDS_BIGENDIAN
ce4defa0
PB		 3859 return ((uint64_t)word0 << 32) | word1;
3860#else
3861 return ((uint64_t)word1 << 32) | word0;
3862#endif
3863}
992f48a0 3864#else /* TARGET_ABI_BITS == 32 */
32407103
JM		 3865static inline uint64_t target_offset64(uint64_t word0, uint64_t word1)
3866{
3867 return word0;
3868}
992f48a0 3869#endif /* TARGET_ABI_BITS != 32 */
ce4defa0
PB		 3870
3871#ifdef TARGET_NR_truncate64
992f48a0
BS		 3872static inline abi_long target_truncate64(void *cpu_env, const char *arg1,
3873 abi_long arg2,
3874 abi_long arg3,
3875 abi_long arg4)
ce4defa0
PB		 3876{
3877#ifdef TARGET_ARM
3878 if (((CPUARMState *)cpu_env)->eabi)
3879 {
3880 arg2 = arg3;
3881 arg3 = arg4;
3882 }
3883#endif
3884 return get_errno(truncate64(arg1, target_offset64(arg2, arg3)));
3885}
3886#endif
3887
3888#ifdef TARGET_NR_ftruncate64
992f48a0
BS		 3889static inline abi_long target_ftruncate64(void *cpu_env, abi_long arg1,
3890 abi_long arg2,
3891 abi_long arg3,
3892 abi_long arg4)
ce4defa0
PB		 3893{
3894#ifdef TARGET_ARM
3895 if (((CPUARMState *)cpu_env)->eabi)
3896 {
3897 arg2 = arg3;
3898 arg3 = arg4;
3899 }
3900#endif
3901 return get_errno(ftruncate64(arg1, target_offset64(arg2, arg3)));
3902}
3903#endif
3904
579a97f7
FB		 3905static inline abi_long target_to_host_timespec(struct timespec *host_ts,
3906 abi_ulong target_addr)
53a5960a
PB		 3907{
3908 struct target_timespec *target_ts;
3909
579a97f7
FB		 3910 if (!lock_user_struct(VERIFY_READ, target_ts, target_addr, 1))
3911 return -TARGET_EFAULT;
53a5960a
PB		 3912 host_ts->tv_sec = tswapl(target_ts->tv_sec);
3913 host_ts->tv_nsec = tswapl(target_ts->tv_nsec);
3914 unlock_user_struct(target_ts, target_addr, 0);
b255bfa8 3915 return 0;
53a5960a
PB		 3916}
3917
579a97f7
FB		 3918static inline abi_long host_to_target_timespec(abi_ulong target_addr,
3919 struct timespec *host_ts)
53a5960a
PB		 3920{
3921 struct target_timespec *target_ts;
3922
579a97f7
FB		 3923 if (!lock_user_struct(VERIFY_WRITE, target_ts, target_addr, 0))
3924 return -TARGET_EFAULT;
53a5960a
PB		 3925 target_ts->tv_sec = tswapl(host_ts->tv_sec);
3926 target_ts->tv_nsec = tswapl(host_ts->tv_nsec);
3927 unlock_user_struct(target_ts, target_addr, 1);
b255bfa8 3928 return 0;
53a5960a
PB		 3929}
3930
9d33b76b 3931#if defined(TARGET_NR_stat64) || defined(TARGET_NR_newfstatat)
6a24a778
AZ		 3932static inline abi_long host_to_target_stat64(void *cpu_env,
3933 abi_ulong target_addr,
3934 struct stat *host_st)
3935{
3936#ifdef TARGET_ARM
3937 if (((CPUARMState *)cpu_env)->eabi) {
3938 struct target_eabi_stat64 *target_st;
3939
3940 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3941 return -TARGET_EFAULT;
3942 memset(target_st, 0, sizeof(struct target_eabi_stat64));
3943 __put_user(host_st->st_dev, &target_st->st_dev);
3944 __put_user(host_st->st_ino, &target_st->st_ino);
3945#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3946 __put_user(host_st->st_ino, &target_st->__st_ino);
3947#endif
3948 __put_user(host_st->st_mode, &target_st->st_mode);
3949 __put_user(host_st->st_nlink, &target_st->st_nlink);
3950 __put_user(host_st->st_uid, &target_st->st_uid);
3951 __put_user(host_st->st_gid, &target_st->st_gid);
3952 __put_user(host_st->st_rdev, &target_st->st_rdev);
3953 __put_user(host_st->st_size, &target_st->st_size);
3954 __put_user(host_st->st_blksize, &target_st->st_blksize);
3955 __put_user(host_st->st_blocks, &target_st->st_blocks);
3956 __put_user(host_st->st_atime, &target_st->target_st_atime);
3957 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3958 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3959 unlock_user_struct(target_st, target_addr, 1);
3960 } else
3961#endif
3962 {
9d33b76b
AJ		 3963#if TARGET_LONG_BITS == 64
3964 struct target_stat *target_st;
3965#else
6a24a778 3966 struct target_stat64 *target_st;
9d33b76b 3967#endif
6a24a778
AZ		 3968
3969 if (!lock_user_struct(VERIFY_WRITE, target_st, target_addr, 0))
3970 return -TARGET_EFAULT;
9d33b76b 3971 memset(target_st, 0, sizeof(*target_st));
6a24a778
AZ		 3972 __put_user(host_st->st_dev, &target_st->st_dev);
3973 __put_user(host_st->st_ino, &target_st->st_ino);
3974#ifdef TARGET_STAT64_HAS_BROKEN_ST_INO
3975 __put_user(host_st->st_ino, &target_st->__st_ino);
3976#endif
3977 __put_user(host_st->st_mode, &target_st->st_mode);
3978 __put_user(host_st->st_nlink, &target_st->st_nlink);
3979 __put_user(host_st->st_uid, &target_st->st_uid);
3980 __put_user(host_st->st_gid, &target_st->st_gid);
3981 __put_user(host_st->st_rdev, &target_st->st_rdev);
3982 /* XXX: better use of kernel struct */
3983 __put_user(host_st->st_size, &target_st->st_size);
3984 __put_user(host_st->st_blksize, &target_st->st_blksize);
3985 __put_user(host_st->st_blocks, &target_st->st_blocks);
3986 __put_user(host_st->st_atime, &target_st->target_st_atime);
3987 __put_user(host_st->st_mtime, &target_st->target_st_mtime);
3988 __put_user(host_st->st_ctime, &target_st->target_st_ctime);
3989 unlock_user_struct(target_st, target_addr, 1);
3990 }
3991
3992 return 0;
3993}
3994#endif
3995
bd0c5661
PB		 3996#if defined(USE_NPTL)
3997/* ??? Using host futex calls even when target atomic operations
3998 are not really atomic probably breaks things. However implementing
3999 futexes locally would make futexes shared between multiple processes
4000 tricky. However they're probably useless because guest atomic
4001 operations won't work either. */
8fcd3692
BS		 4002static int do_futex(target_ulong uaddr, int op, int val, target_ulong timeout,
4003 target_ulong uaddr2, int val3)
bd0c5661
PB		 4004{
4005 struct timespec ts, *pts;
4006
4007 /* ??? We assume FUTEX_* constants are the same on both host
4008 and target. */
a29ccd63
MM		 4009#ifdef FUTEX_CMD_MASK
4010 switch ((op&FUTEX_CMD_MASK)) {
4011#else
bd0c5661 4012 switch (op) {
a29ccd63 4013#endif
bd0c5661
PB		 4014 case FUTEX_WAIT:
4015 if (timeout) {
4016 pts = &ts;
4017 target_to_host_timespec(pts, timeout);
4018 } else {
4019 pts = NULL;
4020 }
a29ccd63 4021 return get_errno(sys_futex(g2h(uaddr), op, tswap32(val),
bd0c5661
PB		 4022 pts, NULL, 0));
4023 case FUTEX_WAKE:
a29ccd63 4024 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
c4d2302e
RV		 4025 case FUTEX_WAKE_OP:
4026 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, g2h(uaddr2), val3 ));
bd0c5661 4027 case FUTEX_FD:
a29ccd63 4028 return get_errno(sys_futex(g2h(uaddr), op, val, NULL, NULL, 0));
bd0c5661 4029 case FUTEX_REQUEUE:
a29ccd63 4030 return get_errno(sys_futex(g2h(uaddr), op, val,
bd0c5661
PB		 4031 NULL, g2h(uaddr2), 0));
4032 case FUTEX_CMP_REQUEUE:
a29ccd63 4033 return get_errno(sys_futex(g2h(uaddr), op, val,
bd0c5661
PB		 4034 NULL, g2h(uaddr2), tswap32(val3)));
4035 default:
4036 return -TARGET_ENOSYS;
4037 }
4038}
4039#endif
4040
1d9d8b55
PB		 4041/* Map host to target signal numbers for the wait family of syscalls.
4042 Assume all other status bits are the same. */
4043static int host_to_target_waitstatus(int status)
4044{
4045 if (WIFSIGNALED(status)) {
4046 return host_to_target_signal(WTERMSIG(status)) | (status & ~0x7f);
4047 }
4048 if (WIFSTOPPED(status)) {
4049 return (host_to_target_signal(WSTOPSIG(status)) << 8)
4050 | (status & 0xff);
4051 }
4052 return status;
4053}
4054
a745ec6d
PB		 4055int get_osversion(void)
4056{
4057 static int osversion;
4058 struct new_utsname buf;
4059 const char *s;
4060 int i, n, tmp;
4061 if (osversion)
4062 return osversion;
4063 if (qemu_uname_release && *qemu_uname_release) {
4064 s = qemu_uname_release;
4065 } else {
4066 if (sys_uname(&buf))
4067 return 0;
4068 s = buf.release;
4069 }
4070 tmp = 0;
4071 for (i = 0; i < 3; i++) {
4072 n = 0;
4073 while (*s >= '0' && *s <= '9') {
4074 n *= 10;
4075 n += *s - '0';
4076 s++;
4077 }
4078 tmp = (tmp << 8) + n;
4079 if (*s == '.')
4080 s++;
4081 }
4082 osversion = tmp;
4083 return osversion;
4084}
4085
0da46a6e
TS		 4086/* do_syscall() should always have a single exit point at the end so
4087 that actions, such as logging of syscall results, can be performed.
4088 All errnos that do_syscall() returns must be -TARGET_<errcode>. */
992f48a0
BS		 4089abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
4090 abi_long arg2, abi_long arg3, abi_long arg4,
4091 abi_long arg5, abi_long arg6)
31e31b8a 4092{
992f48a0 4093 abi_long ret;
31e31b8a 4094 struct stat st;
56c8f68f 4095 struct statfs stfs;
53a5960a 4096 void *p;
3b46e624 4097
72f03900 4098#ifdef DEBUG
c573ff67 4099 gemu_log("syscall %d", num);
72f03900 4100#endif
b92c47c1
TS		 4101 if(do_strace)
4102 print_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
4103
31e31b8a
FB		 4104 switch(num) {
4105 case TARGET_NR_exit:
c2764719
PB		 4106#ifdef USE_NPTL
4107 /* In old applications this may be used to implement _exit(2).
4108 However in threaded applictions it is used for thread termination,
4109 and _exit_group is used for application termination.
4110 Do thread termination if we have more then one thread. */
4111 /* FIXME: This probably breaks if a signal arrives. We should probably
4112 be disabling signals. */
4113 if (first_cpu->next_cpu) {
1e9fa730 4114 TaskState *ts;
c2764719
PB		 4115 CPUState **lastp;
4116 CPUState *p;
4117
4118 cpu_list_lock();
4119 lastp = &first_cpu;
4120 p = first_cpu;
4121 while (p && p != (CPUState *)cpu_env) {
4122 lastp = &p->next_cpu;
4123 p = p->next_cpu;
4124 }
4125 /* If we didn't find the CPU for this thread then something is
4126 horribly wrong. */
4127 if (!p)
4128 abort();
4129 /* Remove the CPU from the list. */
4130 *lastp = p->next_cpu;
4131 cpu_list_unlock();
1e9fa730 4132 ts = ((CPUState *)cpu_env)->opaque;
c2764719
PB		 4133 if (ts->child_tidptr) {
4134 put_user_u32(0, ts->child_tidptr);
4135 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
4136 NULL, NULL, 0);
4137 }
4138 /* TODO: Free CPU state. */
4139 pthread_exit(NULL);
4140 }
4141#endif
7d13299d
FB		 4142#ifdef HAVE_GPROF
4143 _mcleanup();
4144#endif
e9009676 4145 gdb_exit(cpu_env, arg1);
c2764719 4146 _exit(arg1);
31e31b8a
FB		 4147 ret = 0; /* avoid warning */
4148 break;
4149 case TARGET_NR_read:
38d840e6
AJ		 4150 if (arg3 == 0)
4151 ret = 0;
4152 else {
4153 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
4154 goto efault;
4155 ret = get_errno(read(arg1, p, arg3));
4156 unlock_user(p, arg2, ret);
4157 }
31e31b8a
FB		 4158 break;
4159 case TARGET_NR_write:
579a97f7
FB		 4160 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
4161 goto efault;
53a5960a
PB		 4162 ret = get_errno(write(arg1, p, arg3));
4163 unlock_user(p, arg2, 0);
31e31b8a
FB		 4164 break;
4165 case TARGET_NR_open:
2f619698
FB		 4166 if (!(p = lock_user_string(arg1)))
4167 goto efault;
53a5960a 4168 ret = get_errno(open(path(p),
ffa65c3b
FB		 4169 target_to_host_bitmask(arg2, fcntl_flags_tbl),
4170 arg3));
53a5960a 4171 unlock_user(p, arg1, 0);
31e31b8a 4172 break;
82424832
TS		 4173#if defined(TARGET_NR_openat) && defined(__NR_openat)
4174 case TARGET_NR_openat:
579a97f7
FB		 4175 if (!(p = lock_user_string(arg2)))
4176 goto efault;
4177 ret = get_errno(sys_openat(arg1,
4178 path(p),
4179 target_to_host_bitmask(arg3, fcntl_flags_tbl),
4180 arg4));
4181 unlock_user(p, arg2, 0);
82424832
TS		 4182 break;
4183#endif
31e31b8a
FB		 4184 case TARGET_NR_close:
4185 ret = get_errno(close(arg1));
4186 break;
4187 case TARGET_NR_brk:
53a5960a 4188 ret = do_brk(arg1);
31e31b8a
FB		 4189 break;
4190 case TARGET_NR_fork:
d865bab5 4191 ret = get_errno(do_fork(cpu_env, SIGCHLD, 0, 0, 0, 0));
31e31b8a 4192 break;
e5febef5 4193#ifdef TARGET_NR_waitpid
31e31b8a
FB		 4194 case TARGET_NR_waitpid:
4195 {
53a5960a
PB		 4196 int status;
4197 ret = get_errno(waitpid(arg1, &status, arg3));
2f619698 4198 if (!is_error(ret) && arg2
1d9d8b55 4199 && put_user_s32(host_to_target_waitstatus(status), arg2))
2f619698 4200 goto efault;
31e31b8a
FB		 4201 }
4202 break;
e5febef5 4203#endif
f0cbb613
PB		 4204#ifdef TARGET_NR_waitid
4205 case TARGET_NR_waitid:
4206 {
4207 siginfo_t info;
4208 info.si_pid = 0;
4209 ret = get_errno(waitid(arg1, arg2, &info, arg4));
4210 if (!is_error(ret) && arg3 && info.si_pid != 0) {
4211 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_siginfo_t), 0)))
4212 goto efault;
4213 host_to_target_siginfo(p, &info);
4214 unlock_user(p, arg3, sizeof(target_siginfo_t));
4215 }
4216 }
4217 break;
4218#endif
7a3148a9 4219#ifdef TARGET_NR_creat /* not on alpha */
31e31b8a 4220 case TARGET_NR_creat:
579a97f7
FB		 4221 if (!(p = lock_user_string(arg1)))
4222 goto efault;
53a5960a
PB		 4223 ret = get_errno(creat(p, arg2));
4224 unlock_user(p, arg1, 0);
31e31b8a 4225 break;
7a3148a9 4226#endif
31e31b8a 4227 case TARGET_NR_link:
53a5960a
PB		 4228 {
4229 void * p2;
4230 p = lock_user_string(arg1);
4231 p2 = lock_user_string(arg2);
579a97f7
FB		 4232 if (!p || !p2)
4233 ret = -TARGET_EFAULT;
4234 else
4235 ret = get_errno(link(p, p2));
53a5960a
PB		 4236 unlock_user(p2, arg2, 0);
4237 unlock_user(p, arg1, 0);
4238 }
31e31b8a 4239 break;
64f0ce4c
TS		 4240#if defined(TARGET_NR_linkat) && defined(__NR_linkat)
4241 case TARGET_NR_linkat:
64f0ce4c
TS		 4242 {
4243 void * p2 = NULL;
579a97f7
FB		 4244 if (!arg2 || !arg4)
4245 goto efault;
64f0ce4c
TS		 4246 p = lock_user_string(arg2);
4247 p2 = lock_user_string(arg4);
579a97f7 4248 if (!p || !p2)
0da46a6e 4249 ret = -TARGET_EFAULT;
64f0ce4c
TS		 4250 else
4251 ret = get_errno(sys_linkat(arg1, p, arg3, p2, arg5));
579a97f7
FB		 4252 unlock_user(p, arg2, 0);
4253 unlock_user(p2, arg4, 0);
64f0ce4c
TS		 4254 }
4255 break;
4256#endif
31e31b8a 4257 case TARGET_NR_unlink:
579a97f7
FB		 4258 if (!(p = lock_user_string(arg1)))
4259 goto efault;
53a5960a
PB		 4260 ret = get_errno(unlink(p));
4261 unlock_user(p, arg1, 0);
31e31b8a 4262 break;
8170f56b
TS		 4263#if defined(TARGET_NR_unlinkat) && defined(__NR_unlinkat)
4264 case TARGET_NR_unlinkat:
579a97f7
FB		 4265 if (!(p = lock_user_string(arg2)))
4266 goto efault;
4267 ret = get_errno(sys_unlinkat(arg1, p, arg3));
4268 unlock_user(p, arg2, 0);
ed494d87 4269 break;
b7d35e65 4270#endif
31e31b8a 4271 case TARGET_NR_execve:
7854b056
FB		 4272 {
4273 char **argp, **envp;
f7341ff4 4274 int argc, envc;
992f48a0
BS		 4275 abi_ulong gp;
4276 abi_ulong guest_argp;
4277 abi_ulong guest_envp;
4278 abi_ulong addr;
7854b056
FB		 4279 char **q;
4280
f7341ff4 4281 argc = 0;
53a5960a 4282 guest_argp = arg2;
da94d263 4283 for (gp = guest_argp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4284 if (get_user_ual(addr, gp))
2f619698 4285 goto efault;
03aa1976 4286 if (!addr)
2f619698 4287 break;
7854b056 4288 argc++;
2f619698 4289 }
f7341ff4 4290 envc = 0;
53a5960a 4291 guest_envp = arg3;
da94d263 4292 for (gp = guest_envp; gp; gp += sizeof(abi_ulong)) {
03aa1976 4293 if (get_user_ual(addr, gp))
2f619698 4294 goto efault;
03aa1976 4295 if (!addr)
2f619698 4296 break;
7854b056 4297 envc++;
2f619698 4298 }
7854b056 4299
f7341ff4
FB		 4300 argp = alloca((argc + 1) * sizeof(void *));
4301 envp = alloca((envc + 1) * sizeof(void *));
7854b056 4302
da94d263 4303 for (gp = guest_argp, q = argp; gp;
992f48a0 4304 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4305 if (get_user_ual(addr, gp))
4306 goto execve_efault;
53a5960a
PB		 4307 if (!addr)
4308 break;
2f619698
FB		 4309 if (!(*q = lock_user_string(addr)))
4310 goto execve_efault;
53a5960a 4311 }
f7341ff4
FB		 4312 *q = NULL;
4313
da94d263 4314 for (gp = guest_envp, q = envp; gp;
992f48a0 4315 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4316 if (get_user_ual(addr, gp))
4317 goto execve_efault;
53a5960a
PB		 4318 if (!addr)
4319 break;
2f619698
FB		 4320 if (!(*q = lock_user_string(addr)))
4321 goto execve_efault;
53a5960a 4322 }
f7341ff4 4323 *q = NULL;
7854b056 4324
2f619698
FB		 4325 if (!(p = lock_user_string(arg1)))
4326 goto execve_efault;
53a5960a
PB		 4327 ret = get_errno(execve(p, argp, envp));
4328 unlock_user(p, arg1, 0);
4329
2f619698
FB		 4330 goto execve_end;
4331
4332 execve_efault:
4333 ret = -TARGET_EFAULT;
4334
4335 execve_end:
53a5960a 4336 for (gp = guest_argp, q = argp; *q;
992f48a0 4337 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4338 if (get_user_ual(addr, gp)
4339 || !addr)
4340 break;
53a5960a
PB		 4341 unlock_user(*q, addr, 0);
4342 }
4343 for (gp = guest_envp, q = envp; *q;
992f48a0 4344 gp += sizeof(abi_ulong), q++) {
2f619698
FB		 4345 if (get_user_ual(addr, gp)
4346 || !addr)
4347 break;
53a5960a
PB		 4348 unlock_user(*q, addr, 0);
4349 }
7854b056 4350 }
31e31b8a
FB		 4351 break;
4352 case TARGET_NR_chdir:
579a97f7
FB		 4353 if (!(p = lock_user_string(arg1)))
4354 goto efault;
53a5960a
PB		 4355 ret = get_errno(chdir(p));
4356 unlock_user(p, arg1, 0);
31e31b8a 4357 break;
a315a145 4358#ifdef TARGET_NR_time
31e31b8a
FB		 4359 case TARGET_NR_time:
4360 {
53a5960a
PB		 4361 time_t host_time;
4362 ret = get_errno(time(&host_time));
2f619698
FB		 4363 if (!is_error(ret)
4364 && arg1
4365 && put_user_sal(host_time, arg1))
4366 goto efault;
31e31b8a
FB		 4367 }
4368 break;
a315a145 4369#endif
31e31b8a 4370 case TARGET_NR_mknod:
579a97f7
FB		 4371 if (!(p = lock_user_string(arg1)))
4372 goto efault;
53a5960a
PB		 4373 ret = get_errno(mknod(p, arg2, arg3));
4374 unlock_user(p, arg1, 0);
31e31b8a 4375 break;
75ac37a0
TS		 4376#if defined(TARGET_NR_mknodat) && defined(__NR_mknodat)
4377 case TARGET_NR_mknodat:
579a97f7
FB		 4378 if (!(p = lock_user_string(arg2)))
4379 goto efault;
4380 ret = get_errno(sys_mknodat(arg1, p, arg3, arg4));
4381 unlock_user(p, arg2, 0);
75ac37a0
TS		 4382 break;
4383#endif
31e31b8a 4384 case TARGET_NR_chmod:
579a97f7
FB		 4385 if (!(p = lock_user_string(arg1)))
4386 goto efault;
53a5960a
PB		 4387 ret = get_errno(chmod(p, arg2));
4388 unlock_user(p, arg1, 0);
31e31b8a 4389 break;
ebc05488 4390#ifdef TARGET_NR_break
31e31b8a
FB		 4391 case TARGET_NR_break:
4392 goto unimplemented;
ebc05488
FB		 4393#endif
4394#ifdef TARGET_NR_oldstat
31e31b8a
FB		 4395 case TARGET_NR_oldstat:
4396 goto unimplemented;
ebc05488 4397#endif
31e31b8a
FB		 4398 case TARGET_NR_lseek:
4399 ret = get_errno(lseek(arg1, arg2, arg3));
4400 break;
7a3148a9
JM		 4401#ifdef TARGET_NR_getxpid
4402 case TARGET_NR_getxpid:
4403#else
31e31b8a 4404 case TARGET_NR_getpid:
7a3148a9 4405#endif
31e31b8a
FB		 4406 ret = get_errno(getpid());
4407 break;
4408 case TARGET_NR_mount:
80265918
TS		 4409 {
4410 /* need to look at the data field */
4411 void *p2, *p3;
4412 p = lock_user_string(arg1);
4413 p2 = lock_user_string(arg2);
4414 p3 = lock_user_string(arg3);
579a97f7
FB		 4415 if (!p || !p2 || !p3)
4416 ret = -TARGET_EFAULT;
4417 else
4418 /* FIXME - arg5 should be locked, but it isn't clear how to
4419 * do that since it's not guaranteed to be a NULL-terminated
4420 * string.
4421 */
4422 ret = get_errno(mount(p, p2, p3, (unsigned long)arg4, g2h(arg5)));
4423 unlock_user(p, arg1, 0);
4424 unlock_user(p2, arg2, 0);
4425 unlock_user(p3, arg3, 0);
80265918
TS		 4426 break;
4427 }
e5febef5 4428#ifdef TARGET_NR_umount
31e31b8a 4429 case TARGET_NR_umount:
579a97f7
FB		 4430 if (!(p = lock_user_string(arg1)))
4431 goto efault;
53a5960a
PB		 4432 ret = get_errno(umount(p));
4433 unlock_user(p, arg1, 0);
31e31b8a 4434 break;
e5febef5 4435#endif
7a3148a9 4436#ifdef TARGET_NR_stime /* not on alpha */
31e31b8a
FB		 4437 case TARGET_NR_stime:
4438 {
53a5960a 4439 time_t host_time;
2f619698
FB		 4440 if (get_user_sal(host_time, arg1))
4441 goto efault;
53a5960a 4442 ret = get_errno(stime(&host_time));
31e31b8a
FB		 4443 }
4444 break;
7a3148a9 4445#endif
31e31b8a
FB		 4446 case TARGET_NR_ptrace:
4447 goto unimplemented;
7a3148a9 4448#ifdef TARGET_NR_alarm /* not on alpha */
31e31b8a
FB		 4449 case TARGET_NR_alarm:
4450 ret = alarm(arg1);
4451 break;
7a3148a9 4452#endif
ebc05488 4453#ifdef TARGET_NR_oldfstat
31e31b8a
FB		 4454 case TARGET_NR_oldfstat:
4455 goto unimplemented;
ebc05488 4456#endif
7a3148a9 4457#ifdef TARGET_NR_pause /* not on alpha */
31e31b8a
FB		 4458 case TARGET_NR_pause:
4459 ret = get_errno(pause());
4460 break;
7a3148a9 4461#endif
e5febef5 4462#ifdef TARGET_NR_utime
31e31b8a 4463 case TARGET_NR_utime:
ebc05488 4464 {
53a5960a
PB		 4465 struct utimbuf tbuf, *host_tbuf;
4466 struct target_utimbuf *target_tbuf;
4467 if (arg2) {
579a97f7
FB		 4468 if (!lock_user_struct(VERIFY_READ, target_tbuf, arg2, 1))
4469 goto efault;
53a5960a
PB		 4470 tbuf.actime = tswapl(target_tbuf->actime);
4471 tbuf.modtime = tswapl(target_tbuf->modtime);
4472 unlock_user_struct(target_tbuf, arg2, 0);
4473 host_tbuf = &tbuf;
f72e8ff4 4474 } else {
53a5960a 4475 host_tbuf = NULL;
f72e8ff4 4476 }
579a97f7
FB		 4477 if (!(p = lock_user_string(arg1)))
4478 goto efault;
53a5960a
PB		 4479 ret = get_errno(utime(p, host_tbuf));
4480 unlock_user(p, arg1, 0);
ebc05488
FB		 4481 }
4482 break;
e5febef5 4483#endif
978a66ff
FB		 4484 case TARGET_NR_utimes:
4485 {
978a66ff 4486 struct timeval *tvp, tv[2];
53a5960a 4487 if (arg2) {
788f5ec4
TS		 4488 if (copy_from_user_timeval(&tv[0], arg2)
4489 || copy_from_user_timeval(&tv[1],
4490 arg2 + sizeof(struct target_timeval)))
4491 goto efault;
978a66ff
FB		 4492 tvp = tv;
4493 } else {
4494 tvp = NULL;
4495 }
579a97f7
FB		 4496 if (!(p = lock_user_string(arg1)))
4497 goto efault;
53a5960a
PB		 4498 ret = get_errno(utimes(p, tvp));
4499 unlock_user(p, arg1, 0);
978a66ff
FB		 4500 }
4501 break;
ac8a6556
AZ		 4502#if defined(TARGET_NR_futimesat) && defined(__NR_futimesat)
4503 case TARGET_NR_futimesat:
4504 {
4505 struct timeval *tvp, tv[2];
4506 if (arg3) {
4507 if (copy_from_user_timeval(&tv[0], arg3)
4508 || copy_from_user_timeval(&tv[1],
4509 arg3 + sizeof(struct target_timeval)))
4510 goto efault;
4511 tvp = tv;
4512 } else {
4513 tvp = NULL;
4514 }
4515 if (!(p = lock_user_string(arg2)))
4516 goto efault;
4517 ret = get_errno(sys_futimesat(arg1, path(p), tvp));
4518 unlock_user(p, arg2, 0);
4519 }
4520 break;
4521#endif
ebc05488 4522#ifdef TARGET_NR_stty
31e31b8a
FB		 4523 case TARGET_NR_stty:
4524 goto unimplemented;
ebc05488
FB		 4525#endif
4526#ifdef TARGET_NR_gtty
31e31b8a
FB		 4527 case TARGET_NR_gtty:
4528 goto unimplemented;
ebc05488 4529#endif
31e31b8a 4530 case TARGET_NR_access:
579a97f7
FB		 4531 if (!(p = lock_user_string(arg1)))
4532 goto efault;
53a5960a
PB		 4533 ret = get_errno(access(p, arg2));
4534 unlock_user(p, arg1, 0);
31e31b8a 4535 break;
92a34c10
TS		 4536#if defined(TARGET_NR_faccessat) && defined(__NR_faccessat)
4537 case TARGET_NR_faccessat:
579a97f7
FB		 4538 if (!(p = lock_user_string(arg2)))
4539 goto efault;
465c9f06 4540 ret = get_errno(sys_faccessat(arg1, p, arg3));
579a97f7 4541 unlock_user(p, arg2, 0);
92a34c10
TS		 4542 break;
4543#endif
7a3148a9 4544#ifdef TARGET_NR_nice /* not on alpha */
31e31b8a
FB		 4545 case TARGET_NR_nice:
4546 ret = get_errno(nice(arg1));
4547 break;
7a3148a9 4548#endif
ebc05488 4549#ifdef TARGET_NR_ftime
31e31b8a
FB		 4550 case TARGET_NR_ftime:
4551 goto unimplemented;
ebc05488 4552#endif
31e31b8a 4553 case TARGET_NR_sync:
04369ff2
FB		 4554 sync();
4555 ret = 0;
31e31b8a
FB		 4556 break;
4557 case TARGET_NR_kill:
4cb05961 4558 ret = get_errno(kill(arg1, target_to_host_signal(arg2)));
31e31b8a
FB		 4559 break;
4560 case TARGET_NR_rename:
53a5960a
PB		 4561 {
4562 void *p2;
4563 p = lock_user_string(arg1);
4564 p2 = lock_user_string(arg2);
579a97f7
FB		 4565 if (!p || !p2)
4566 ret = -TARGET_EFAULT;
4567 else
4568 ret = get_errno(rename(p, p2));
53a5960a
PB		 4569 unlock_user(p2, arg2, 0);
4570 unlock_user(p, arg1, 0);
4571 }
31e31b8a 4572 break;
722183f6
TS		 4573#if defined(TARGET_NR_renameat) && defined(__NR_renameat)
4574 case TARGET_NR_renameat:
722183f6 4575 {
579a97f7 4576 void *p2;
722183f6
TS		 4577 p = lock_user_string(arg2);
4578 p2 = lock_user_string(arg4);
579a97f7 4579 if (!p || !p2)
0da46a6e 4580 ret = -TARGET_EFAULT;
722183f6
TS		 4581 else
4582 ret = get_errno(sys_renameat(arg1, p, arg3, p2));
579a97f7
FB		 4583 unlock_user(p2, arg4, 0);
4584 unlock_user(p, arg2, 0);
722183f6
TS		 4585 }
4586 break;
4587#endif
31e31b8a 4588 case TARGET_NR_mkdir:
579a97f7
FB		 4589 if (!(p = lock_user_string(arg1)))
4590 goto efault;
53a5960a
PB		 4591 ret = get_errno(mkdir(p, arg2));
4592 unlock_user(p, arg1, 0);
31e31b8a 4593 break;
4472ad0d
TS		 4594#if defined(TARGET_NR_mkdirat) && defined(__NR_mkdirat)
4595 case TARGET_NR_mkdirat:
579a97f7
FB		 4596 if (!(p = lock_user_string(arg2)))
4597 goto efault;
4598 ret = get_errno(sys_mkdirat(arg1, p, arg3));
4599 unlock_user(p, arg2, 0);
4472ad0d
TS		 4600 break;
4601#endif
31e31b8a 4602 case TARGET_NR_rmdir:
579a97f7
FB		 4603 if (!(p = lock_user_string(arg1)))
4604 goto efault;
53a5960a
PB		 4605 ret = get_errno(rmdir(p));
4606 unlock_user(p, arg1, 0);
31e31b8a
FB		 4607 break;
4608 case TARGET_NR_dup:
4609 ret = get_errno(dup(arg1));
4610 break;
4611 case TARGET_NR_pipe:
099d6b0f
RV		 4612 ret = do_pipe(cpu_env, arg1, 0);
4613 break;
4614#ifdef TARGET_NR_pipe2
4615 case TARGET_NR_pipe2:
4616 ret = do_pipe(cpu_env, arg1, arg2);
31e31b8a 4617 break;
099d6b0f 4618#endif
31e31b8a 4619 case TARGET_NR_times:
32f36bce 4620 {
53a5960a 4621 struct target_tms *tmsp;
32f36bce
FB		 4622 struct tms tms;
4623 ret = get_errno(times(&tms));
53a5960a 4624 if (arg1) {
579a97f7
FB		 4625 tmsp = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_tms), 0);
4626 if (!tmsp)
4627 goto efault;
c596ed17
FB		 4628 tmsp->tms_utime = tswapl(host_to_target_clock_t(tms.tms_utime));
4629 tmsp->tms_stime = tswapl(host_to_target_clock_t(tms.tms_stime));
4630 tmsp->tms_cutime = tswapl(host_to_target_clock_t(tms.tms_cutime));
4631 tmsp->tms_cstime = tswapl(host_to_target_clock_t(tms.tms_cstime));
32f36bce 4632 }
c596ed17
FB		 4633 if (!is_error(ret))
4634 ret = host_to_target_clock_t(ret);
32f36bce
FB		 4635 }
4636 break;
ebc05488 4637#ifdef TARGET_NR_prof
31e31b8a
FB		 4638 case TARGET_NR_prof:
4639 goto unimplemented;
ebc05488 4640#endif
e5febef5 4641#ifdef TARGET_NR_signal
31e31b8a
FB		 4642 case TARGET_NR_signal:
4643 goto unimplemented;
e5febef5 4644#endif
31e31b8a 4645 case TARGET_NR_acct:
38d840e6
AJ		 4646 if (arg1 == 0) {
4647 ret = get_errno(acct(NULL));
4648 } else {
4649 if (!(p = lock_user_string(arg1)))
4650 goto efault;
4651 ret = get_errno(acct(path(p)));
4652 unlock_user(p, arg1, 0);
4653 }
24836689 4654 break;
7a3148a9 4655#ifdef TARGET_NR_umount2 /* not on alpha */
31e31b8a 4656 case TARGET_NR_umount2:
579a97f7
FB		 4657 if (!(p = lock_user_string(arg1)))
4658 goto efault;
53a5960a
PB		 4659 ret = get_errno(umount2(p, arg2));
4660 unlock_user(p, arg1, 0);
31e31b8a 4661 break;
7a3148a9 4662#endif
ebc05488 4663#ifdef TARGET_NR_lock
31e31b8a
FB		 4664 case TARGET_NR_lock:
4665 goto unimplemented;
ebc05488 4666#endif
31e31b8a
FB		 4667 case TARGET_NR_ioctl:
4668 ret = do_ioctl(arg1, arg2, arg3);
4669 break;
4670 case TARGET_NR_fcntl:
9ee1fa2c 4671 ret = do_fcntl(arg1, arg2, arg3);
31e31b8a 4672 break;
ebc05488 4673#ifdef TARGET_NR_mpx
31e31b8a
FB		 4674 case TARGET_NR_mpx:
4675 goto unimplemented;
ebc05488 4676#endif
31e31b8a
FB		 4677 case TARGET_NR_setpgid:
4678 ret = get_errno(setpgid(arg1, arg2));
4679 break;
ebc05488 4680#ifdef TARGET_NR_ulimit
31e31b8a
FB		 4681 case TARGET_NR_ulimit:
4682 goto unimplemented;
ebc05488
FB		 4683#endif
4684#ifdef TARGET_NR_oldolduname
31e31b8a
FB		 4685 case TARGET_NR_oldolduname:
4686 goto unimplemented;
ebc05488 4687#endif
31e31b8a
FB		 4688 case TARGET_NR_umask:
4689 ret = get_errno(umask(arg1));
4690 break;
4691 case TARGET_NR_chroot:
579a97f7
FB		 4692 if (!(p = lock_user_string(arg1)))
4693 goto efault;
53a5960a
PB		 4694 ret = get_errno(chroot(p));
4695 unlock_user(p, arg1, 0);
31e31b8a
FB		 4696 break;
4697 case TARGET_NR_ustat:
4698 goto unimplemented;
4699 case TARGET_NR_dup2:
4700 ret = get_errno(dup2(arg1, arg2));
4701 break;
7a3148a9 4702#ifdef TARGET_NR_getppid /* not on alpha */
31e31b8a
FB		 4703 case TARGET_NR_getppid:
4704 ret = get_errno(getppid());
4705 break;
7a3148a9 4706#endif
31e31b8a
FB		 4707 case TARGET_NR_getpgrp:
4708 ret = get_errno(getpgrp());
4709 break;
4710 case TARGET_NR_setsid:
4711 ret = get_errno(setsid());
4712 break;
e5febef5 4713#ifdef TARGET_NR_sigaction
31e31b8a 4714 case TARGET_NR_sigaction:
31e31b8a 4715 {
388bb21a 4716#if !defined(TARGET_MIPS)
53a5960a 4717 struct target_old_sigaction *old_act;
66fb9763 4718 struct target_sigaction act, oact, *pact;
53a5960a 4719 if (arg2) {
579a97f7
FB		 4720 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4721 goto efault;
66fb9763
FB		 4722 act._sa_handler = old_act->_sa_handler;
4723 target_siginitset(&act.sa_mask, old_act->sa_mask);
4724 act.sa_flags = old_act->sa_flags;
4725 act.sa_restorer = old_act->sa_restorer;
53a5960a 4726 unlock_user_struct(old_act, arg2, 0);
66fb9763
FB		 4727 pact = &act;
4728 } else {
4729 pact = NULL;
4730 }
4731 ret = get_errno(do_sigaction(arg1, pact, &oact));
53a5960a 4732 if (!is_error(ret) && arg3) {
579a97f7
FB		 4733 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4734 goto efault;
53a5960a
PB		 4735 old_act->_sa_handler = oact._sa_handler;
4736 old_act->sa_mask = oact.sa_mask.sig[0];
4737 old_act->sa_flags = oact.sa_flags;
4738 old_act->sa_restorer = oact.sa_restorer;
4739 unlock_user_struct(old_act, arg3, 1);
66fb9763 4740 }
388bb21a 4741#else
106ec879
FB		 4742 struct target_sigaction act, oact, *pact, *old_act;
4743
4744 if (arg2) {
579a97f7
FB		 4745 if (!lock_user_struct(VERIFY_READ, old_act, arg2, 1))
4746 goto efault;
106ec879
FB		 4747 act._sa_handler = old_act->_sa_handler;
4748 target_siginitset(&act.sa_mask, old_act->sa_mask.sig[0]);
4749 act.sa_flags = old_act->sa_flags;
4750 unlock_user_struct(old_act, arg2, 0);
4751 pact = &act;
4752 } else {
4753 pact = NULL;
4754 }
4755
4756 ret = get_errno(do_sigaction(arg1, pact, &oact));
4757
4758 if (!is_error(ret) && arg3) {
579a97f7
FB		 4759 if (!lock_user_struct(VERIFY_WRITE, old_act, arg3, 0))
4760 goto efault;
106ec879
FB		 4761 old_act->_sa_handler = oact._sa_handler;
4762 old_act->sa_flags = oact.sa_flags;
4763 old_act->sa_mask.sig[0] = oact.sa_mask.sig[0];
4764 old_act->sa_mask.sig[1] = 0;
4765 old_act->sa_mask.sig[2] = 0;
4766 old_act->sa_mask.sig[3] = 0;
4767 unlock_user_struct(old_act, arg3, 1);
4768 }
388bb21a 4769#endif
31e31b8a
FB		 4770 }
4771 break;
e5febef5 4772#endif
66fb9763 4773 case TARGET_NR_rt_sigaction:
53a5960a
PB		 4774 {
4775 struct target_sigaction *act;
4776 struct target_sigaction *oact;
4777
579a97f7
FB		 4778 if (arg2) {
4779 if (!lock_user_struct(VERIFY_READ, act, arg2, 1))
4780 goto efault;
4781 } else
53a5960a 4782 act = NULL;
579a97f7
FB		 4783 if (arg3) {
4784 if (!lock_user_struct(VERIFY_WRITE, oact, arg3, 0)) {
4785 ret = -TARGET_EFAULT;
4786 goto rt_sigaction_fail;
4787 }
4788 } else
53a5960a
PB		 4789 oact = NULL;
4790 ret = get_errno(do_sigaction(arg1, act, oact));
579a97f7
FB		 4791 rt_sigaction_fail:
4792 if (act)
53a5960a 4793 unlock_user_struct(act, arg2, 0);
579a97f7 4794 if (oact)
53a5960a
PB		 4795 unlock_user_struct(oact, arg3, 1);
4796 }
66fb9763 4797 break;
7a3148a9 4798#ifdef TARGET_NR_sgetmask /* not on alpha */
31e31b8a 4799 case TARGET_NR_sgetmask:
66fb9763
FB		 4800 {
4801 sigset_t cur_set;
992f48a0 4802 abi_ulong target_set;
66fb9763
FB		 4803 sigprocmask(0, NULL, &cur_set);
4804 host_to_target_old_sigset(&target_set, &cur_set);
4805 ret = target_set;
4806 }
4807 break;
7a3148a9
JM		 4808#endif
4809#ifdef TARGET_NR_ssetmask /* not on alpha */
31e31b8a 4810 case TARGET_NR_ssetmask:
66fb9763
FB		 4811 {
4812 sigset_t set, oset, cur_set;
992f48a0 4813 abi_ulong target_set = arg1;
66fb9763
FB		 4814 sigprocmask(0, NULL, &cur_set);
4815 target_to_host_old_sigset(&set, &target_set);
4816 sigorset(&set, &set, &cur_set);
4817 sigprocmask(SIG_SETMASK, &set, &oset);
4818 host_to_target_old_sigset(&target_set, &oset);
4819 ret = target_set;
4820 }
4821 break;
7a3148a9 4822#endif
e5febef5 4823#ifdef TARGET_NR_sigprocmask
66fb9763
FB		 4824 case TARGET_NR_sigprocmask:
4825 {
4826 int how = arg1;
4827 sigset_t set, oldset, *set_ptr;
3b46e624 4828
53a5960a 4829 if (arg2) {
66fb9763
FB		 4830 switch(how) {
4831 case TARGET_SIG_BLOCK:
4832 how = SIG_BLOCK;
4833 break;
4834 case TARGET_SIG_UNBLOCK:
4835 how = SIG_UNBLOCK;
4836 break;
4837 case TARGET_SIG_SETMASK:
4838 how = SIG_SETMASK;
4839 break;
4840 default:
0da46a6e 4841 ret = -TARGET_EINVAL;
66fb9763
FB		 4842 goto fail;
4843 }
579a97f7
FB		 4844 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4845 goto efault;
53a5960a
PB		 4846 target_to_host_old_sigset(&set, p);
4847 unlock_user(p, arg2, 0);
66fb9763
FB		 4848 set_ptr = &set;
4849 } else {
4850 how = 0;
4851 set_ptr = NULL;
4852 }
4853 ret = get_errno(sigprocmask(arg1, set_ptr, &oldset));
53a5960a 4854 if (!is_error(ret) && arg3) {
579a97f7
FB		 4855 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4856 goto efault;
53a5960a
PB		 4857 host_to_target_old_sigset(p, &oldset);
4858 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 4859 }
4860 }
4861 break;
e5febef5 4862#endif
66fb9763
FB		 4863 case TARGET_NR_rt_sigprocmask:
4864 {
4865 int how = arg1;
4866 sigset_t set, oldset, *set_ptr;
3b46e624 4867
53a5960a 4868 if (arg2) {
66fb9763
FB		 4869 switch(how) {
4870 case TARGET_SIG_BLOCK:
4871 how = SIG_BLOCK;
4872 break;
4873 case TARGET_SIG_UNBLOCK:
4874 how = SIG_UNBLOCK;
4875 break;
4876 case TARGET_SIG_SETMASK:
4877 how = SIG_SETMASK;
4878 break;
4879 default:
0da46a6e 4880 ret = -TARGET_EINVAL;
66fb9763
FB		 4881 goto fail;
4882 }
579a97f7
FB		 4883 if (!(p = lock_user(VERIFY_READ, arg2, sizeof(target_sigset_t), 1)))
4884 goto efault;
53a5960a
PB		 4885 target_to_host_sigset(&set, p);
4886 unlock_user(p, arg2, 0);
66fb9763
FB		 4887 set_ptr = &set;
4888 } else {
4889 how = 0;
4890 set_ptr = NULL;
4891 }
4892 ret = get_errno(sigprocmask(how, set_ptr, &oldset));
53a5960a 4893 if (!is_error(ret) && arg3) {
579a97f7
FB		 4894 if (!(p = lock_user(VERIFY_WRITE, arg3, sizeof(target_sigset_t), 0)))
4895 goto efault;
53a5960a
PB		 4896 host_to_target_sigset(p, &oldset);
4897 unlock_user(p, arg3, sizeof(target_sigset_t));
66fb9763
FB		 4898 }
4899 }
4900 break;
e5febef5 4901#ifdef TARGET_NR_sigpending
66fb9763
FB		 4902 case TARGET_NR_sigpending:
4903 {
4904 sigset_t set;
4905 ret = get_errno(sigpending(&set));
4906 if (!is_error(ret)) {
579a97f7
FB		 4907 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4908 goto efault;
53a5960a
PB		 4909 host_to_target_old_sigset(p, &set);
4910 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 4911 }
4912 }
4913 break;
e5febef5 4914#endif
66fb9763
FB		 4915 case TARGET_NR_rt_sigpending:
4916 {
4917 sigset_t set;
4918 ret = get_errno(sigpending(&set));
4919 if (!is_error(ret)) {
579a97f7
FB		 4920 if (!(p = lock_user(VERIFY_WRITE, arg1, sizeof(target_sigset_t), 0)))
4921 goto efault;
53a5960a
PB		 4922 host_to_target_sigset(p, &set);
4923 unlock_user(p, arg1, sizeof(target_sigset_t));
66fb9763
FB		 4924 }
4925 }
4926 break;
e5febef5 4927#ifdef TARGET_NR_sigsuspend
66fb9763
FB		 4928 case TARGET_NR_sigsuspend:
4929 {
4930 sigset_t set;
579a97f7
FB		 4931 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4932 goto efault;
53a5960a
PB		 4933 target_to_host_old_sigset(&set, p);
4934 unlock_user(p, arg1, 0);
66fb9763
FB		 4935 ret = get_errno(sigsuspend(&set));
4936 }
4937 break;
e5febef5 4938#endif
66fb9763
FB		 4939 case TARGET_NR_rt_sigsuspend:
4940 {
4941 sigset_t set;
579a97f7
FB		 4942 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4943 goto efault;
53a5960a
PB		 4944 target_to_host_sigset(&set, p);
4945 unlock_user(p, arg1, 0);
66fb9763
FB		 4946 ret = get_errno(sigsuspend(&set));
4947 }
4948 break;
4949 case TARGET_NR_rt_sigtimedwait:
4950 {
66fb9763
FB		 4951 sigset_t set;
4952 struct timespec uts, *puts;
4953 siginfo_t uinfo;
3b46e624 4954
579a97f7
FB		 4955 if (!(p = lock_user(VERIFY_READ, arg1, sizeof(target_sigset_t), 1)))
4956 goto efault;
53a5960a
PB		 4957 target_to_host_sigset(&set, p);
4958 unlock_user(p, arg1, 0);
4959 if (arg3) {
66fb9763 4960 puts = &uts;
53a5960a 4961 target_to_host_timespec(puts, arg3);
66fb9763
FB		 4962 } else {
4963 puts = NULL;
4964 }
4965 ret = get_errno(sigtimedwait(&set, &uinfo, puts));
53a5960a 4966 if (!is_error(ret) && arg2) {
e1e3f30b 4967 if (!(p = lock_user(VERIFY_WRITE, arg2, sizeof(target_siginfo_t), 0)))
579a97f7 4968 goto efault;
53a5960a 4969 host_to_target_siginfo(p, &uinfo);
e1e3f30b 4970 unlock_user(p, arg2, sizeof(target_siginfo_t));
66fb9763
FB		 4971 }
4972 }
4973 break;
4974 case TARGET_NR_rt_sigqueueinfo:
4975 {
4976 siginfo_t uinfo;
579a97f7
FB		 4977 if (!(p = lock_user(VERIFY_READ, arg3, sizeof(target_sigset_t), 1)))
4978 goto efault;
53a5960a
PB		 4979 target_to_host_siginfo(&uinfo, p);
4980 unlock_user(p, arg1, 0);
66fb9763
FB		 4981 ret = get_errno(sys_rt_sigqueueinfo(arg1, arg2, &uinfo));
4982 }
4983 break;
e5febef5 4984#ifdef TARGET_NR_sigreturn
66fb9763
FB		 4985 case TARGET_NR_sigreturn:
4986 /* NOTE: ret is eax, so not transcoding must be done */
4987 ret = do_sigreturn(cpu_env);
4988 break;
e5febef5 4989#endif
66fb9763
FB		 4990 case TARGET_NR_rt_sigreturn:
4991 /* NOTE: ret is eax, so not transcoding must be done */
4992 ret = do_rt_sigreturn(cpu_env);
4993 break;
31e31b8a 4994 case TARGET_NR_sethostname:
579a97f7
FB		 4995 if (!(p = lock_user_string(arg1)))
4996 goto efault;
53a5960a
PB		 4997 ret = get_errno(sethostname(p, arg2));
4998 unlock_user(p, arg1, 0);
31e31b8a
FB		 4999 break;
5000 case TARGET_NR_setrlimit:
9de5e440
FB		 5001 {
5002 /* XXX: convert resource ? */
5003 int resource = arg1;
53a5960a 5004 struct target_rlimit *target_rlim;
9de5e440 5005 struct rlimit rlim;
579a97f7
FB		 5006 if (!lock_user_struct(VERIFY_READ, target_rlim, arg2, 1))
5007 goto efault;
9de5e440
FB		 5008 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
5009 rlim.rlim_max = tswapl(target_rlim->rlim_max);
53a5960a 5010 unlock_user_struct(target_rlim, arg2, 0);
9de5e440
FB		 5011 ret = get_errno(setrlimit(resource, &rlim));
5012 }
5013 break;
31e31b8a 5014 case TARGET_NR_getrlimit:
9de5e440
FB		 5015 {
5016 /* XXX: convert resource ? */
5017 int resource = arg1;
53a5960a 5018 struct target_rlimit *target_rlim;
9de5e440 5019 struct rlimit rlim;
3b46e624 5020
9de5e440
FB		 5021 ret = get_errno(getrlimit(resource, &rlim));
5022 if (!is_error(ret)) {
579a97f7
FB		 5023 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
5024 goto efault;
53a5960a
PB		 5025 rlim.rlim_cur = tswapl(target_rlim->rlim_cur);
5026 rlim.rlim_max = tswapl(target_rlim->rlim_max);
5027 unlock_user_struct(target_rlim, arg2, 1);
9de5e440
FB		 5028 }
5029 }
5030 break;
31e31b8a 5031 case TARGET_NR_getrusage:
b409186b
FB		 5032 {
5033 struct rusage rusage;
b409186b
FB		 5034 ret = get_errno(getrusage(arg1, &rusage));
5035 if (!is_error(ret)) {
53a5960a 5036 host_to_target_rusage(arg2, &rusage);
b409186b
FB		 5037 }
5038 }
5039 break;
31e31b8a
FB		 5040 case TARGET_NR_gettimeofday:
5041 {
31e31b8a
FB		 5042 struct timeval tv;
5043 ret = get_errno(gettimeofday(&tv, NULL));
5044 if (!is_error(ret)) {
788f5ec4
TS		 5045 if (copy_to_user_timeval(arg1, &tv))
5046 goto efault;
31e31b8a
FB		 5047 }
5048 }
5049 break;
5050 case TARGET_NR_settimeofday:
5051 {
31e31b8a 5052 struct timeval tv;
788f5ec4
TS		 5053 if (copy_from_user_timeval(&tv, arg1))
5054 goto efault;
31e31b8a
FB		 5055 ret = get_errno(settimeofday(&tv, NULL));
5056 }
5057 break;
048f6b4d 5058#ifdef TARGET_NR_select
31e31b8a 5059 case TARGET_NR_select:
f2674e31 5060 {
53a5960a 5061 struct target_sel_arg_struct *sel;
992f48a0 5062 abi_ulong inp, outp, exp, tvp;
53a5960a
PB		 5063 long nsel;
5064
579a97f7
FB		 5065 if (!lock_user_struct(VERIFY_READ, sel, arg1, 1))
5066 goto efault;
53a5960a
PB		 5067 nsel = tswapl(sel->n);
5068 inp = tswapl(sel->inp);
5069 outp = tswapl(sel->outp);
5070 exp = tswapl(sel->exp);
5071 tvp = tswapl(sel->tvp);
5072 unlock_user_struct(sel, arg1, 0);
5073 ret = do_select(nsel, inp, outp, exp, tvp);
f2674e31
FB		 5074 }
5075 break;
048f6b4d 5076#endif
31e31b8a 5077 case TARGET_NR_symlink:
53a5960a
PB		 5078 {
5079 void *p2;
5080 p = lock_user_string(arg1);
5081 p2 = lock_user_string(arg2);
579a97f7
FB		 5082 if (!p || !p2)
5083 ret = -TARGET_EFAULT;
5084 else
5085 ret = get_errno(symlink(p, p2));
53a5960a
PB		 5086 unlock_user(p2, arg2, 0);
5087 unlock_user(p, arg1, 0);
5088 }
31e31b8a 5089 break;
f0b6243d
TS		 5090#if defined(TARGET_NR_symlinkat) && defined(__NR_symlinkat)
5091 case TARGET_NR_symlinkat:
f0b6243d 5092 {
579a97f7 5093 void *p2;
f0b6243d
TS		 5094 p = lock_user_string(arg1);
5095 p2 = lock_user_string(arg3);
579a97f7 5096 if (!p || !p2)
0da46a6e 5097 ret = -TARGET_EFAULT;
f0b6243d
TS		 5098 else
5099 ret = get_errno(sys_symlinkat(p, arg2, p2));
579a97f7
FB		 5100 unlock_user(p2, arg3, 0);
5101 unlock_user(p, arg1, 0);
f0b6243d
TS		 5102 }
5103 break;
5104#endif
ebc05488 5105#ifdef TARGET_NR_oldlstat
31e31b8a
FB		 5106 case TARGET_NR_oldlstat:
5107 goto unimplemented;
ebc05488 5108#endif
31e31b8a 5109 case TARGET_NR_readlink:
53a5960a 5110 {
d088d664 5111 void *p2, *temp;
53a5960a 5112 p = lock_user_string(arg1);
579a97f7
FB		 5113 p2 = lock_user(VERIFY_WRITE, arg2, arg3, 0);
5114 if (!p || !p2)
5115 ret = -TARGET_EFAULT;
d088d664
AJ		 5116 else {
5117 if (strncmp((const char *)p, "/proc/self/exe", 14) == 0) {
5118 char real[PATH_MAX];
5119 temp = realpath(exec_path,real);
5120 ret = (temp==NULL) ? get_errno(-1) : strlen(real) ;
5121 snprintf((char *)p2, arg3, "%s", real);
5122 }
5123 else
5124 ret = get_errno(readlink(path(p), p2, arg3));
d088d664 5125 }
53a5960a
PB		 5126 unlock_user(p2, arg2, ret);
5127 unlock_user(p, arg1, 0);
5128 }
31e31b8a 5129 break;
5e0ccb18
TS		 5130#if defined(TARGET_NR_readlinkat) && defined(__NR_readlinkat)
5131 case TARGET_NR_readlinkat:
5e0ccb18 5132 {
579a97f7 5133 void *p2;
5e0ccb18 5134 p = lock_user_string(arg2);
579a97f7
FB		 5135 p2 = lock_user(VERIFY_WRITE, arg3, arg4, 0);
5136 if (!p || !p2)
0da46a6e 5137 ret = -TARGET_EFAULT;
5e0ccb18
TS		 5138 else
5139 ret = get_errno(sys_readlinkat(arg1, path(p), p2, arg4));
579a97f7
FB		 5140 unlock_user(p2, arg3, ret);
5141 unlock_user(p, arg2, 0);
5e0ccb18
TS		 5142 }
5143 break;
5144#endif
e5febef5 5145#ifdef TARGET_NR_uselib
31e31b8a
FB		 5146 case TARGET_NR_uselib:
5147 goto unimplemented;
e5febef5
TS		 5148#endif
5149#ifdef TARGET_NR_swapon
31e31b8a 5150 case TARGET_NR_swapon:
579a97f7
FB		 5151 if (!(p = lock_user_string(arg1)))
5152 goto efault;
53a5960a
PB		 5153 ret = get_errno(swapon(p, arg2));
5154 unlock_user(p, arg1, 0);
31e31b8a 5155 break;
e5febef5 5156#endif
31e31b8a
FB		 5157 case TARGET_NR_reboot:
5158 goto unimplemented;
e5febef5 5159#ifdef TARGET_NR_readdir
31e31b8a
FB		 5160 case TARGET_NR_readdir:
5161 goto unimplemented;
e5febef5
TS		 5162#endif
5163#ifdef TARGET_NR_mmap
31e31b8a 5164 case TARGET_NR_mmap:
b779e29e 5165#if (defined(TARGET_I386) && defined(TARGET_ABI32)) || defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_CRIS) || defined(TARGET_MICROBLAZE)
31e31b8a 5166 {
992f48a0
BS		 5167 abi_ulong *v;
5168 abi_ulong v1, v2, v3, v4, v5, v6;
579a97f7
FB		 5169 if (!(v = lock_user(VERIFY_READ, arg1, 6 * sizeof(abi_ulong), 1)))
5170 goto efault;
53a5960a
PB		 5171 v1 = tswapl(v[0]);
5172 v2 = tswapl(v[1]);
5173 v3 = tswapl(v[2]);
5174 v4 = tswapl(v[3]);
5175 v5 = tswapl(v[4]);
5176 v6 = tswapl(v[5]);
5177 unlock_user(v, arg1, 0);
5fafdf24 5178 ret = get_errno(target_mmap(v1, v2, v3,
5286db75
FB		 5179 target_to_host_bitmask(v4, mmap_flags_tbl),
5180 v5, v6));
31e31b8a 5181 }
31e31b8a 5182#else
5fafdf24
TS		 5183 ret = get_errno(target_mmap(arg1, arg2, arg3,
5184 target_to_host_bitmask(arg4, mmap_flags_tbl),
6fb883e8
FB		 5185 arg5,
5186 arg6));
31e31b8a 5187#endif
6fb883e8 5188 break;
e5febef5 5189#endif
a315a145 5190#ifdef TARGET_NR_mmap2
6fb883e8 5191 case TARGET_NR_mmap2:
bb7ec043 5192#ifndef MMAP_SHIFT
c573ff67 5193#define MMAP_SHIFT 12
c573ff67 5194#endif
5fafdf24
TS		 5195 ret = get_errno(target_mmap(arg1, arg2, arg3,
5196 target_to_host_bitmask(arg4, mmap_flags_tbl),
5286db75 5197 arg5,
c573ff67 5198 arg6 << MMAP_SHIFT));
31e31b8a 5199 break;
a315a145 5200#endif
31e31b8a 5201 case TARGET_NR_munmap:
54936004 5202 ret = get_errno(target_munmap(arg1, arg2));
31e31b8a 5203 break;
9de5e440 5204 case TARGET_NR_mprotect:
54936004 5205 ret = get_errno(target_mprotect(arg1, arg2, arg3));
9de5e440 5206 break;
e5febef5 5207#ifdef TARGET_NR_mremap
9de5e440 5208 case TARGET_NR_mremap:
54936004 5209 ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
9de5e440 5210 break;
e5febef5 5211#endif
53a5960a 5212 /* ??? msync/mlock/munlock are broken for softmmu. */
e5febef5 5213#ifdef TARGET_NR_msync
9de5e440 5214 case TARGET_NR_msync:
53a5960a 5215 ret = get_errno(msync(g2h(arg1), arg2, arg3));
9de5e440 5216 break;
e5febef5
TS		 5217#endif
5218#ifdef TARGET_NR_mlock
9de5e440 5219 case TARGET_NR_mlock:
53a5960a 5220 ret = get_errno(mlock(g2h(arg1), arg2));
9de5e440 5221 break;
e5febef5
TS		 5222#endif
5223#ifdef TARGET_NR_munlock
9de5e440 5224 case TARGET_NR_munlock:
53a5960a 5225 ret = get_errno(munlock(g2h(arg1), arg2));
9de5e440 5226 break;
e5febef5
TS		 5227#endif
5228#ifdef TARGET_NR_mlockall
9de5e440
FB		 5229 case TARGET_NR_mlockall:
5230 ret = get_errno(mlockall(arg1));
5231 break;
e5febef5
TS		 5232#endif
5233#ifdef TARGET_NR_munlockall
9de5e440
FB		 5234 case TARGET_NR_munlockall:
5235 ret = get_errno(munlockall());
5236 break;
e5febef5 5237#endif
31e31b8a 5238 case TARGET_NR_truncate:
579a97f7
FB		 5239 if (!(p = lock_user_string(arg1)))
5240 goto efault;
53a5960a
PB		 5241 ret = get_errno(truncate(p, arg2));
5242 unlock_user(p, arg1, 0);
31e31b8a
FB		 5243 break;
5244 case TARGET_NR_ftruncate:
5245 ret = get_errno(ftruncate(arg1, arg2));
5246 break;
5247 case TARGET_NR_fchmod:
5248 ret = get_errno(fchmod(arg1, arg2));
5249 break;
814d7977
TS		 5250#if defined(TARGET_NR_fchmodat) && defined(__NR_fchmodat)
5251 case TARGET_NR_fchmodat:
579a97f7
FB		 5252 if (!(p = lock_user_string(arg2)))
5253 goto efault;
465c9f06 5254 ret = get_errno(sys_fchmodat(arg1, p, arg3));
579a97f7 5255 unlock_user(p, arg2, 0);
814d7977
TS		 5256 break;
5257#endif
31e31b8a 5258 case TARGET_NR_getpriority:
c6cda17a
TS		 5259 /* libc does special remapping of the return value of
5260 * sys_getpriority() so it's just easiest to call
5261 * sys_getpriority() directly rather than through libc. */
5262 ret = sys_getpriority(arg1, arg2);
31e31b8a
FB		 5263 break;
5264 case TARGET_NR_setpriority:
5265 ret = get_errno(setpriority(arg1, arg2, arg3));
5266 break;
ebc05488 5267#ifdef TARGET_NR_profil
31e31b8a
FB		 5268 case TARGET_NR_profil:
5269 goto unimplemented;
ebc05488 5270#endif
31e31b8a 5271 case TARGET_NR_statfs:
579a97f7
FB		 5272 if (!(p = lock_user_string(arg1)))
5273 goto efault;
53a5960a
PB		 5274 ret = get_errno(statfs(path(p), &stfs));
5275 unlock_user(p, arg1, 0);
31e31b8a
FB		 5276 convert_statfs:
5277 if (!is_error(ret)) {
53a5960a 5278 struct target_statfs *target_stfs;
3b46e624 5279
579a97f7
FB		 5280 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg2, 0))
5281 goto efault;
5282 __put_user(stfs.f_type, &target_stfs->f_type);
5283 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5284 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5285 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5286 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5287 __put_user(stfs.f_files, &target_stfs->f_files);
5288 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5289 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5290 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5291 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
53a5960a 5292 unlock_user_struct(target_stfs, arg2, 1);
31e31b8a
FB		 5293 }
5294 break;
5295 case TARGET_NR_fstatfs:
56c8f68f 5296 ret = get_errno(fstatfs(arg1, &stfs));
31e31b8a 5297 goto convert_statfs;
56c8f68f
FB		 5298#ifdef TARGET_NR_statfs64
5299 case TARGET_NR_statfs64:
579a97f7
FB		 5300 if (!(p = lock_user_string(arg1)))
5301 goto efault;
53a5960a
PB		 5302 ret = get_errno(statfs(path(p), &stfs));
5303 unlock_user(p, arg1, 0);
56c8f68f
FB		 5304 convert_statfs64:
5305 if (!is_error(ret)) {
53a5960a 5306 struct target_statfs64 *target_stfs;
3b46e624 5307
579a97f7
FB		 5308 if (!lock_user_struct(VERIFY_WRITE, target_stfs, arg3, 0))
5309 goto efault;
5310 __put_user(stfs.f_type, &target_stfs->f_type);
5311 __put_user(stfs.f_bsize, &target_stfs->f_bsize);
5312 __put_user(stfs.f_blocks, &target_stfs->f_blocks);
5313 __put_user(stfs.f_bfree, &target_stfs->f_bfree);
5314 __put_user(stfs.f_bavail, &target_stfs->f_bavail);
5315 __put_user(stfs.f_files, &target_stfs->f_files);
5316 __put_user(stfs.f_ffree, &target_stfs->f_ffree);
5317 __put_user(stfs.f_fsid.__val[0], &target_stfs->f_fsid.val[0]);
5318 __put_user(stfs.f_fsid.__val[1], &target_stfs->f_fsid.val[1]);
5319 __put_user(stfs.f_namelen, &target_stfs->f_namelen);
5320 unlock_user_struct(target_stfs, arg3, 1);
56c8f68f
FB		 5321 }
5322 break;
5323 case TARGET_NR_fstatfs64:
5324 ret = get_errno(fstatfs(arg1, &stfs));
5325 goto convert_statfs64;
5326#endif
ebc05488 5327#ifdef TARGET_NR_ioperm
31e31b8a
FB		 5328 case TARGET_NR_ioperm:
5329 goto unimplemented;
ebc05488 5330#endif
e5febef5 5331#ifdef TARGET_NR_socketcall
31e31b8a 5332 case TARGET_NR_socketcall:
53a5960a 5333 ret = do_socketcall(arg1, arg2);
31e31b8a 5334 break;
e5febef5 5335#endif
3532fa74
FB		 5336#ifdef TARGET_NR_accept
5337 case TARGET_NR_accept:
1be9e1dc 5338 ret = do_accept(arg1, arg2, arg3);
3532fa74
FB		 5339 break;
5340#endif
5341#ifdef TARGET_NR_bind
5342 case TARGET_NR_bind:
5343 ret = do_bind(arg1, arg2, arg3);
5344 break;
5345#endif
5346#ifdef TARGET_NR_connect
5347 case TARGET_NR_connect:
5348 ret = do_connect(arg1, arg2, arg3);
5349 break;
5350#endif
5351#ifdef TARGET_NR_getpeername
5352 case TARGET_NR_getpeername:
1be9e1dc 5353 ret = do_getpeername(arg1, arg2, arg3);
3532fa74
FB		 5354 break;
5355#endif
5356#ifdef TARGET_NR_getsockname
5357 case TARGET_NR_getsockname:
1be9e1dc 5358 ret = do_getsockname(arg1, arg2, arg3);
3532fa74
FB		 5359 break;
5360#endif
5361#ifdef TARGET_NR_getsockopt
5362 case TARGET_NR_getsockopt:
5363 ret = do_getsockopt(arg1, arg2, arg3, arg4, arg5);
5364 break;
5365#endif
5366#ifdef TARGET_NR_listen
5367 case TARGET_NR_listen:
1be9e1dc 5368 ret = get_errno(listen(arg1, arg2));
3532fa74
FB		 5369 break;
5370#endif
5371#ifdef TARGET_NR_recv
5372 case TARGET_NR_recv:
214201bd 5373 ret = do_recvfrom(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5374 break;
5375#endif
5376#ifdef TARGET_NR_recvfrom
5377 case TARGET_NR_recvfrom:
214201bd 5378 ret = do_recvfrom(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5379 break;
5380#endif
5381#ifdef TARGET_NR_recvmsg
5382 case TARGET_NR_recvmsg:
5383 ret = do_sendrecvmsg(arg1, arg2, arg3, 0);
5384 break;
5385#endif
5386#ifdef TARGET_NR_send
5387 case TARGET_NR_send:
1be9e1dc 5388 ret = do_sendto(arg1, arg2, arg3, arg4, 0, 0);
3532fa74
FB		 5389 break;
5390#endif
5391#ifdef TARGET_NR_sendmsg
5392 case TARGET_NR_sendmsg:
5393 ret = do_sendrecvmsg(arg1, arg2, arg3, 1);
5394 break;
5395#endif
5396#ifdef TARGET_NR_sendto
5397 case TARGET_NR_sendto:
1be9e1dc 5398 ret = do_sendto(arg1, arg2, arg3, arg4, arg5, arg6);
3532fa74
FB		 5399 break;
5400#endif
5401#ifdef TARGET_NR_shutdown
5402 case TARGET_NR_shutdown:
1be9e1dc 5403 ret = get_errno(shutdown(arg1, arg2));
3532fa74
FB		 5404 break;
5405#endif
5406#ifdef TARGET_NR_socket
5407 case TARGET_NR_socket:
5408 ret = do_socket(arg1, arg2, arg3);
5409 break;
5410#endif
5411#ifdef TARGET_NR_socketpair
5412 case TARGET_NR_socketpair:
1be9e1dc 5413 ret = do_socketpair(arg1, arg2, arg3, arg4);
3532fa74
FB		 5414 break;
5415#endif
5416#ifdef TARGET_NR_setsockopt
5417 case TARGET_NR_setsockopt:
5418 ret = do_setsockopt(arg1, arg2, arg3, arg4, (socklen_t) arg5);
5419 break;
5420#endif
7494b0f9 5421
31e31b8a 5422 case TARGET_NR_syslog:
579a97f7
FB		 5423 if (!(p = lock_user_string(arg2)))
5424 goto efault;
e5574487
TS		 5425 ret = get_errno(sys_syslog((int)arg1, p, (int)arg3));
5426 unlock_user(p, arg2, 0);
7494b0f9
TS		 5427 break;
5428
31e31b8a 5429 case TARGET_NR_setitimer:
66fb9763 5430 {
66fb9763
FB		 5431 struct itimerval value, ovalue, *pvalue;
5432
53a5960a 5433 if (arg2) {
66fb9763 5434 pvalue = &value;
788f5ec4
TS		 5435 if (copy_from_user_timeval(&pvalue->it_interval, arg2)
5436 || copy_from_user_timeval(&pvalue->it_value,
5437 arg2 + sizeof(struct target_timeval)))
5438 goto efault;
66fb9763
FB		 5439 } else {
5440 pvalue = NULL;
5441 }
5442 ret = get_errno(setitimer(arg1, pvalue, &ovalue));
53a5960a 5443 if (!is_error(ret) && arg3) {
788f5ec4
TS		 5444 if (copy_to_user_timeval(arg3,
5445 &ovalue.it_interval)
5446 || copy_to_user_timeval(arg3 + sizeof(struct target_timeval),
5447 &ovalue.it_value))
5448 goto efault;
66fb9763
FB		 5449 }
5450 }
5451 break;
31e31b8a 5452 case TARGET_NR_getitimer:
66fb9763 5453 {
66fb9763 5454 struct itimerval value;
3b46e624 5455
66fb9763 5456 ret = get_errno(getitimer(arg1, &value));
53a5960a 5457 if (!is_error(ret) && arg2) {
788f5ec4
TS		 5458 if (copy_to_user_timeval(arg2,
5459 &value.it_interval)
5460 || copy_to_user_timeval(arg2 + sizeof(struct target_timeval),
5461 &value.it_value))
5462 goto efault;
66fb9763
FB		 5463 }
5464 }
5465 break;
31e31b8a 5466 case TARGET_NR_stat:
579a97f7
FB		 5467 if (!(p = lock_user_string(arg1)))
5468 goto efault;
53a5960a
PB		 5469 ret = get_errno(stat(path(p), &st));
5470 unlock_user(p, arg1, 0);
31e31b8a
FB		 5471 goto do_stat;
5472 case TARGET_NR_lstat:
579a97f7
FB		 5473 if (!(p = lock_user_string(arg1)))
5474 goto efault;
53a5960a
PB		 5475 ret = get_errno(lstat(path(p), &st));
5476 unlock_user(p, arg1, 0);
31e31b8a
FB		 5477 goto do_stat;
5478 case TARGET_NR_fstat:
5479 {
5480 ret = get_errno(fstat(arg1, &st));
5481 do_stat:
5482 if (!is_error(ret)) {
53a5960a 5483 struct target_stat *target_st;
e3584658 5484
579a97f7
FB		 5485 if (!lock_user_struct(VERIFY_WRITE, target_st, arg2, 0))
5486 goto efault;
d2fd1af7
FB		 5487 __put_user(st.st_dev, &target_st->st_dev);
5488 __put_user(st.st_ino, &target_st->st_ino);
5489 __put_user(st.st_mode, &target_st->st_mode);
5490 __put_user(st.st_uid, &target_st->st_uid);
5491 __put_user(st.st_gid, &target_st->st_gid);
5492 __put_user(st.st_nlink, &target_st->st_nlink);
5493 __put_user(st.st_rdev, &target_st->st_rdev);
5494 __put_user(st.st_size, &target_st->st_size);
5495 __put_user(st.st_blksize, &target_st->st_blksize);
5496 __put_user(st.st_blocks, &target_st->st_blocks);
5497 __put_user(st.st_atime, &target_st->target_st_atime);
5498 __put_user(st.st_mtime, &target_st->target_st_mtime);
5499 __put_user(st.st_ctime, &target_st->target_st_ctime);
53a5960a 5500 unlock_user_struct(target_st, arg2, 1);
31e31b8a
FB		 5501 }
5502 }
5503 break;
ebc05488 5504#ifdef TARGET_NR_olduname
31e31b8a
FB		 5505 case TARGET_NR_olduname:
5506 goto unimplemented;
ebc05488
FB		 5507#endif
5508#ifdef TARGET_NR_iopl
31e31b8a
FB		 5509 case TARGET_NR_iopl:
5510 goto unimplemented;
ebc05488 5511#endif
31e31b8a
FB		 5512 case TARGET_NR_vhangup:
5513 ret = get_errno(vhangup());
5514 break;
ebc05488 5515#ifdef TARGET_NR_idle
31e31b8a
FB		 5516 case TARGET_NR_idle:
5517 goto unimplemented;
42ad6ae9
FB		 5518#endif
5519#ifdef TARGET_NR_syscall
5520 case TARGET_NR_syscall:
5521 ret = do_syscall(cpu_env,arg1 & 0xffff,arg2,arg3,arg4,arg5,arg6,0);
5522 break;
ebc05488 5523#endif
31e31b8a
FB		 5524 case TARGET_NR_wait4:
5525 {
5526 int status;
992f48a0 5527 abi_long status_ptr = arg2;
31e31b8a 5528 struct rusage rusage, *rusage_ptr;
992f48a0 5529 abi_ulong target_rusage = arg4;
31e31b8a
FB		 5530 if (target_rusage)
5531 rusage_ptr = &rusage;
5532 else
5533 rusage_ptr = NULL;
5534 ret = get_errno(wait4(arg1, &status, arg3, rusage_ptr));
5535 if (!is_error(ret)) {
2f619698 5536 if (status_ptr) {
1d9d8b55 5537 status = host_to_target_waitstatus(status);
2f619698
FB		 5538 if (put_user_s32(status, status_ptr))
5539 goto efault;
31e31b8a 5540 }
2f619698
FB		 5541 if (target_rusage)
5542 host_to_target_rusage(target_rusage, &rusage);
31e31b8a
FB		 5543 }
5544 }
5545 break;
e5febef5 5546#ifdef TARGET_NR_swapoff
31e31b8a 5547 case TARGET_NR_swapoff:
579a97f7
FB		 5548 if (!(p = lock_user_string(arg1)))
5549 goto efault;
53a5960a
PB		 5550 ret = get_errno(swapoff(p));
5551 unlock_user(p, arg1, 0);
31e31b8a 5552 break;
e5febef5 5553#endif
31e31b8a 5554 case TARGET_NR_sysinfo:
a5448a7d 5555 {
53a5960a 5556 struct target_sysinfo *target_value;
a5448a7d
FB		 5557 struct sysinfo value;
5558 ret = get_errno(sysinfo(&value));
53a5960a 5559 if (!is_error(ret) && arg1)
a5448a7d 5560 {
579a97f7
FB		 5561 if (!lock_user_struct(VERIFY_WRITE, target_value, arg1, 0))
5562 goto efault;
a5448a7d
FB		 5563 __put_user(value.uptime, &target_value->uptime);
5564 __put_user(value.loads[0], &target_value->loads[0]);
5565 __put_user(value.loads[1], &target_value->loads[1]);
5566 __put_user(value.loads[2], &target_value->loads[2]);
5567 __put_user(value.totalram, &target_value->totalram);
5568 __put_user(value.freeram, &target_value->freeram);
5569 __put_user(value.sharedram, &target_value->sharedram);
5570 __put_user(value.bufferram, &target_value->bufferram);
5571 __put_user(value.totalswap, &target_value->totalswap);
5572 __put_user(value.freeswap, &target_value->freeswap);
5573 __put_user(value.procs, &target_value->procs);
5574 __put_user(value.totalhigh, &target_value->totalhigh);
5575 __put_user(value.freehigh, &target_value->freehigh);
5576 __put_user(value.mem_unit, &target_value->mem_unit);
53a5960a 5577 unlock_user_struct(target_value, arg1, 1);
a5448a7d
FB		 5578 }
5579 }
5580 break;
e5febef5 5581#ifdef TARGET_NR_ipc
31e31b8a 5582 case TARGET_NR_ipc:
8853f86e
FB		 5583 ret = do_ipc(arg1, arg2, arg3, arg4, arg5, arg6);
5584 break;
e5febef5 5585#endif
e5289087
AJ		 5586#ifdef TARGET_NR_semget
5587 case TARGET_NR_semget:
5588 ret = get_errno(semget(arg1, arg2, arg3));
5589 break;
5590#endif
5591#ifdef TARGET_NR_semop
5592 case TARGET_NR_semop:
5593 ret = get_errno(do_semop(arg1, arg2, arg3));
5594 break;
5595#endif
5596#ifdef TARGET_NR_semctl
5597 case TARGET_NR_semctl:
5598 ret = do_semctl(arg1, arg2, arg3, (union target_semun)(abi_ulong)arg4);
5599 break;
5600#endif
eeb438c1
AJ		 5601#ifdef TARGET_NR_msgctl
5602 case TARGET_NR_msgctl:
5603 ret = do_msgctl(arg1, arg2, arg3);
5604 break;
5605#endif
5606#ifdef TARGET_NR_msgget
5607 case TARGET_NR_msgget:
5608 ret = get_errno(msgget(arg1, arg2));
5609 break;
5610#endif
5611#ifdef TARGET_NR_msgrcv
5612 case TARGET_NR_msgrcv:
5613 ret = do_msgrcv(arg1, arg2, arg3, arg4, arg5);
5614 break;
5615#endif
5616#ifdef TARGET_NR_msgsnd
5617 case TARGET_NR_msgsnd:
5618 ret = do_msgsnd(arg1, arg2, arg3, arg4);
5619 break;
88a8c984
RV		 5620#endif
5621#ifdef TARGET_NR_shmget
5622 case TARGET_NR_shmget:
5623 ret = get_errno(shmget(arg1, arg2, arg3));
5624 break;
5625#endif
5626#ifdef TARGET_NR_shmctl
5627 case TARGET_NR_shmctl:
5628 ret = do_shmctl(arg1, arg2, arg3);
5629 break;
5630#endif
5631#ifdef TARGET_NR_shmat
5632 case TARGET_NR_shmat:
5633 ret = do_shmat(arg1, arg2, arg3);
5634 break;
5635#endif
5636#ifdef TARGET_NR_shmdt
5637 case TARGET_NR_shmdt:
5638 ret = do_shmdt(arg1);
5639 break;
eeb438c1 5640#endif
31e31b8a
FB		 5641 case TARGET_NR_fsync:
5642 ret = get_errno(fsync(arg1));
5643 break;
31e31b8a 5644 case TARGET_NR_clone:
0b6d3ae0
AJ		 5645#if defined(TARGET_SH4)
5646 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg5, arg4));
b15ad61c
EI		 5647#elif defined(TARGET_CRIS)
5648 ret = get_errno(do_fork(cpu_env, arg2, arg1, arg3, arg4, arg5));
0b6d3ae0 5649#else
d865bab5 5650 ret = get_errno(do_fork(cpu_env, arg1, arg2, arg3, arg4, arg5));
0b6d3ae0 5651#endif
1b6b029e 5652 break;
ec86b0fb
FB		 5653#ifdef __NR_exit_group
5654 /* new thread calls */
5655 case TARGET_NR_exit_group:
6d946cda
AJ		 5656#ifdef HAVE_GPROF
5657 _mcleanup();
5658#endif
e9009676 5659 gdb_exit(cpu_env, arg1);
ec86b0fb
FB		 5660 ret = get_errno(exit_group(arg1));
5661 break;
5662#endif
31e31b8a 5663 case TARGET_NR_setdomainname:
579a97f7
FB		 5664 if (!(p = lock_user_string(arg1)))
5665 goto efault;
53a5960a
PB		 5666 ret = get_errno(setdomainname(p, arg2));
5667 unlock_user(p, arg1, 0);
31e31b8a
FB		 5668 break;
5669 case TARGET_NR_uname:
5670 /* no need to transcode because we use the linux syscall */
29e619b1
FB		 5671 {
5672 struct new_utsname * buf;
3b46e624 5673
579a97f7
FB		 5674 if (!lock_user_struct(VERIFY_WRITE, buf, arg1, 0))
5675 goto efault;
29e619b1
FB		 5676 ret = get_errno(sys_uname(buf));
5677 if (!is_error(ret)) {
5678 /* Overrite the native machine name with whatever is being
5679 emulated. */
5680 strcpy (buf->machine, UNAME_MACHINE);
c5937220
PB		 5681 /* Allow the user to override the reported release. */
5682 if (qemu_uname_release && *qemu_uname_release)
5683 strcpy (buf->release, qemu_uname_release);
29e619b1 5684 }
53a5960a 5685 unlock_user_struct(buf, arg1, 1);
29e619b1 5686 }
31e31b8a 5687 break;
6dbad63e 5688#ifdef TARGET_I386
31e31b8a 5689 case TARGET_NR_modify_ldt:
03acab66 5690 ret = do_modify_ldt(cpu_env, arg1, arg2, arg3);
5cd4393b 5691 break;
84409ddb 5692#if !defined(TARGET_X86_64)
5cd4393b
FB		 5693 case TARGET_NR_vm86old:
5694 goto unimplemented;
5695 case TARGET_NR_vm86:
53a5960a 5696 ret = do_vm86(cpu_env, arg1, arg2);
6dbad63e 5697 break;
84409ddb 5698#endif
6dbad63e 5699#endif
31e31b8a
FB		 5700 case TARGET_NR_adjtimex:
5701 goto unimplemented;
e5febef5 5702#ifdef TARGET_NR_create_module
31e31b8a 5703 case TARGET_NR_create_module:
e5febef5 5704#endif
31e31b8a
FB		 5705 case TARGET_NR_init_module:
5706 case TARGET_NR_delete_module:
e5febef5 5707#ifdef TARGET_NR_get_kernel_syms
31e31b8a 5708 case TARGET_NR_get_kernel_syms:
e5febef5 5709#endif
31e31b8a
FB		 5710 goto unimplemented;
5711 case TARGET_NR_quotactl:
5712 goto unimplemented;
5713 case TARGET_NR_getpgid:
5714 ret = get_errno(getpgid(arg1));
5715 break;
5716 case TARGET_NR_fchdir:
5717 ret = get_errno(fchdir(arg1));
5718 break;
84409ddb 5719#ifdef TARGET_NR_bdflush /* not on x86_64 */
31e31b8a
FB		 5720 case TARGET_NR_bdflush:
5721 goto unimplemented;
84409ddb 5722#endif
e5febef5 5723#ifdef TARGET_NR_sysfs
31e31b8a
FB		 5724 case TARGET_NR_sysfs:
5725 goto unimplemented;
e5febef5 5726#endif
31e31b8a 5727 case TARGET_NR_personality:
1b6b029e 5728 ret = get_errno(personality(arg1));
31e31b8a 5729 break;
e5febef5 5730#ifdef TARGET_NR_afs_syscall
31e31b8a
FB		 5731 case TARGET_NR_afs_syscall:
5732 goto unimplemented;
e5febef5 5733#endif
7a3148a9 5734#ifdef TARGET_NR__llseek /* Not on alpha */
31e31b8a
FB		 5735 case TARGET_NR__llseek:
5736 {
4f2ac237
FB		 5737#if defined (__x86_64__)
5738 ret = get_errno(lseek(arg1, ((uint64_t )arg2 << 32) | arg3, arg5));
2f619698
FB		 5739 if (put_user_s64(ret, arg4))
5740 goto efault;
4f2ac237 5741#else
31e31b8a
FB		 5742 int64_t res;
5743 ret = get_errno(_llseek(arg1, arg2, arg3, &res, arg5));
2f619698
FB		 5744 if (put_user_s64(res, arg4))
5745 goto efault;
4f2ac237 5746#endif
31e31b8a
FB		 5747 }
5748 break;
7a3148a9 5749#endif
31e31b8a 5750 case TARGET_NR_getdents:
992f48a0 5751#if TARGET_ABI_BITS != 32
53a5960a 5752 goto unimplemented;
992f48a0 5753#elif TARGET_ABI_BITS == 32 && HOST_LONG_BITS == 64
4add45b4 5754 {
53a5960a 5755 struct target_dirent *target_dirp;
6556a833 5756 struct linux_dirent *dirp;
992f48a0 5757 abi_long count = arg3;
4add45b4
FB		 5758
5759 dirp = malloc(count);
0da46a6e 5760 if (!dirp) {
579a97f7 5761 ret = -TARGET_ENOMEM;
0da46a6e
TS		 5762 goto fail;
5763 }
3b46e624 5764
4add45b4
FB		 5765 ret = get_errno(sys_getdents(arg1, dirp, count));
5766 if (!is_error(ret)) {
6556a833 5767 struct linux_dirent *de;
4add45b4
FB		 5768 struct target_dirent *tde;
5769 int len = ret;
5770 int reclen, treclen;
5771 int count1, tnamelen;
5772
5773 count1 = 0;
5774 de = dirp;
579a97f7
FB		 5775 if (!(target_dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5776 goto efault;
4add45b4
FB		 5777 tde = target_dirp;
5778 while (len > 0) {
5779 reclen = de->d_reclen;
992f48a0 5780 treclen = reclen - (2 * (sizeof(long) - sizeof(abi_long)));
4add45b4
FB		 5781 tde->d_reclen = tswap16(treclen);
5782 tde->d_ino = tswapl(de->d_ino);
5783 tde->d_off = tswapl(de->d_off);
992f48a0 5784 tnamelen = treclen - (2 * sizeof(abi_long) + 2);
4add45b4
FB		 5785 if (tnamelen > 256)
5786 tnamelen = 256;
80a9d035 5787 /* XXX: may not be correct */
be15b141 5788 pstrcpy(tde->d_name, tnamelen, de->d_name);
6556a833 5789 de = (struct linux_dirent *)((char *)de + reclen);
4add45b4 5790 len -= reclen;
1c5bf3bf 5791 tde = (struct target_dirent *)((char *)tde + treclen);
4add45b4
FB		 5792 count1 += treclen;
5793 }
5794 ret = count1;
579a97f7 5795 unlock_user(target_dirp, arg2, ret);
4add45b4
FB		 5796 }
5797 free(dirp);
5798 }
5799#else
31e31b8a 5800 {
6556a833 5801 struct linux_dirent *dirp;
992f48a0 5802 abi_long count = arg3;
dab2ed99 5803
579a97f7
FB		 5804 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5805 goto efault;
72f03900 5806 ret = get_errno(sys_getdents(arg1, dirp, count));
31e31b8a 5807 if (!is_error(ret)) {
6556a833 5808 struct linux_dirent *de;
31e31b8a
FB		 5809 int len = ret;
5810 int reclen;
5811 de = dirp;
5812 while (len > 0) {
8083a3e5 5813 reclen = de->d_reclen;
31e31b8a
FB		 5814 if (reclen > len)
5815 break;
8083a3e5 5816 de->d_reclen = tswap16(reclen);
31e31b8a
FB		 5817 tswapls(&de->d_ino);
5818 tswapls(&de->d_off);
6556a833 5819 de = (struct linux_dirent *)((char *)de + reclen);
31e31b8a
FB		 5820 len -= reclen;
5821 }
5822 }
53a5960a 5823 unlock_user(dirp, arg2, ret);
31e31b8a 5824 }
4add45b4 5825#endif
31e31b8a 5826 break;
3ae43202 5827#if defined(TARGET_NR_getdents64) && defined(__NR_getdents64)
dab2ed99
FB		 5828 case TARGET_NR_getdents64:
5829 {
6556a833 5830 struct linux_dirent64 *dirp;
992f48a0 5831 abi_long count = arg3;
579a97f7
FB		 5832 if (!(dirp = lock_user(VERIFY_WRITE, arg2, count, 0)))
5833 goto efault;
dab2ed99
FB		 5834 ret = get_errno(sys_getdents64(arg1, dirp, count));
5835 if (!is_error(ret)) {
6556a833 5836 struct linux_dirent64 *de;
dab2ed99
FB		 5837 int len = ret;
5838 int reclen;
5839 de = dirp;
5840 while (len > 0) {
8083a3e5 5841 reclen = de->d_reclen;
dab2ed99
FB		 5842 if (reclen > len)
5843 break;
8083a3e5 5844 de->d_reclen = tswap16(reclen);
8582a53a
FB		 5845 tswap64s((uint64_t *)&de->d_ino);
5846 tswap64s((uint64_t *)&de->d_off);
6556a833 5847 de = (struct linux_dirent64 *)((char *)de + reclen);
dab2ed99
FB		 5848 len -= reclen;
5849 }
5850 }
53a5960a 5851 unlock_user(dirp, arg2, ret);
dab2ed99
FB		 5852 }
5853 break;
a541f297 5854#endif /* TARGET_NR_getdents64 */
e5febef5 5855#ifdef TARGET_NR__newselect
31e31b8a 5856 case TARGET_NR__newselect:
53a5960a 5857 ret = do_select(arg1, arg2, arg3, arg4, arg5);
31e31b8a 5858 break;
e5febef5
TS		 5859#endif
5860#ifdef TARGET_NR_poll
9de5e440
FB		 5861 case TARGET_NR_poll:
5862 {
53a5960a 5863 struct target_pollfd *target_pfd;
9de5e440
FB		 5864 unsigned int nfds = arg2;
5865 int timeout = arg3;
5866 struct pollfd *pfd;
7854b056 5867 unsigned int i;
9de5e440 5868
579a97f7
FB		 5869 target_pfd = lock_user(VERIFY_WRITE, arg1, sizeof(struct target_pollfd) * nfds, 1);
5870 if (!target_pfd)
5871 goto efault;
9de5e440
FB		 5872 pfd = alloca(sizeof(struct pollfd) * nfds);
5873 for(i = 0; i < nfds; i++) {
5cd4393b
FB		 5874 pfd[i].fd = tswap32(target_pfd[i].fd);
5875 pfd[i].events = tswap16(target_pfd[i].events);
9de5e440
FB		 5876 }
5877 ret = get_errno(poll(pfd, nfds, timeout));
5878 if (!is_error(ret)) {
5879 for(i = 0; i < nfds; i++) {
5cd4393b 5880 target_pfd[i].revents = tswap16(pfd[i].revents);
9de5e440 5881 }
53a5960a
PB		 5882 ret += nfds * (sizeof(struct target_pollfd)
5883 - sizeof(struct pollfd));
9de5e440 5884 }
53a5960a 5885 unlock_user(target_pfd, arg1, ret);
9de5e440
FB		 5886 }
5887 break;
e5febef5 5888#endif
31e31b8a 5889 case TARGET_NR_flock:
9de5e440
FB		 5890 /* NOTE: the flock constant seems to be the same for every
5891 Linux platform */
5892 ret = get_errno(flock(arg1, arg2));
31e31b8a
FB		 5893 break;
5894 case TARGET_NR_readv:
5895 {
5896 int count = arg3;
31e31b8a 5897 struct iovec *vec;
31e31b8a
FB		 5898
5899 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 5900 if (lock_iovec(VERIFY_WRITE, vec, arg2, count, 0) < 0)
5901 goto efault;
31e31b8a 5902 ret = get_errno(readv(arg1, vec, count));
53a5960a 5903 unlock_iovec(vec, arg2, count, 1);
31e31b8a
FB		 5904 }
5905 break;
5906 case TARGET_NR_writev:
5907 {
5908 int count = arg3;
31e31b8a 5909 struct iovec *vec;
31e31b8a
FB		 5910
5911 vec = alloca(count * sizeof(struct iovec));
41df8411
FB		 5912 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
5913 goto efault;
31e31b8a 5914 ret = get_errno(writev(arg1, vec, count));
53a5960a 5915 unlock_iovec(vec, arg2, count, 0);
31e31b8a
FB		 5916 }
5917 break;
5918 case TARGET_NR_getsid:
5919 ret = get_errno(getsid(arg1));
5920 break;
7a3148a9 5921#if defined(TARGET_NR_fdatasync) /* Not on alpha (osf_datasync ?) */
31e31b8a 5922 case TARGET_NR_fdatasync:
5cd4393b
FB		 5923 ret = get_errno(fdatasync(arg1));
5924 break;
7a3148a9 5925#endif
31e31b8a 5926 case TARGET_NR__sysctl:
0da46a6e 5927 /* We don't implement this, but ENOTDIR is always a safe
29e619b1 5928 return value. */
0da46a6e
TS		 5929 ret = -TARGET_ENOTDIR;
5930 break;
31e31b8a 5931 case TARGET_NR_sched_setparam:
5cd4393b 5932 {
53a5960a 5933 struct sched_param *target_schp;
5cd4393b 5934 struct sched_param schp;
53a5960a 5935
579a97f7
FB		 5936 if (!lock_user_struct(VERIFY_READ, target_schp, arg2, 1))
5937 goto efault;
5cd4393b 5938 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 5939 unlock_user_struct(target_schp, arg2, 0);
5cd4393b
FB		 5940 ret = get_errno(sched_setparam(arg1, &schp));
5941 }
5942 break;
31e31b8a 5943 case TARGET_NR_sched_getparam:
5cd4393b 5944 {
53a5960a 5945 struct sched_param *target_schp;
5cd4393b
FB		 5946 struct sched_param schp;
5947 ret = get_errno(sched_getparam(arg1, &schp));
5948 if (!is_error(ret)) {
579a97f7
FB		 5949 if (!lock_user_struct(VERIFY_WRITE, target_schp, arg2, 0))
5950 goto efault;
5cd4393b 5951 target_schp->sched_priority = tswap32(schp.sched_priority);
53a5960a 5952 unlock_user_struct(target_schp, arg2, 1);
5cd4393b
FB		 5953 }
5954 }
5955 break;
31e31b8a 5956 case TARGET_NR_sched_setscheduler:
5cd4393b 5957 {
53a5960a 5958 struct sched_param *target_schp;
5cd4393b 5959 struct sched_param schp;
579a97f7
FB		 5960 if (!lock_user_struct(VERIFY_READ, target_schp, arg3, 1))
5961 goto efault;
5cd4393b 5962 schp.sched_priority = tswap32(target_schp->sched_priority);
53a5960a 5963 unlock_user_struct(target_schp, arg3, 0);
5cd4393b
FB		 5964 ret = get_errno(sched_setscheduler(arg1, arg2, &schp));
5965 }
5966 break;
31e31b8a 5967 case TARGET_NR_sched_getscheduler:
5cd4393b
FB		 5968 ret = get_errno(sched_getscheduler(arg1));
5969 break;
31e31b8a
FB		 5970 case TARGET_NR_sched_yield:
5971 ret = get_errno(sched_yield());
5972 break;
5973 case TARGET_NR_sched_get_priority_max:
5cd4393b
FB		 5974 ret = get_errno(sched_get_priority_max(arg1));
5975 break;
31e31b8a 5976 case TARGET_NR_sched_get_priority_min:
5cd4393b
FB		 5977 ret = get_errno(sched_get_priority_min(arg1));
5978 break;
31e31b8a 5979 case TARGET_NR_sched_rr_get_interval:
5cd4393b 5980 {
5cd4393b
FB		 5981 struct timespec ts;
5982 ret = get_errno(sched_rr_get_interval(arg1, &ts));
5983 if (!is_error(ret)) {
53a5960a 5984 host_to_target_timespec(arg2, &ts);
5cd4393b
FB		 5985 }
5986 }
5987 break;
31e31b8a 5988 case TARGET_NR_nanosleep:
1b6b029e 5989 {
1b6b029e 5990 struct timespec req, rem;
53a5960a 5991 target_to_host_timespec(&req, arg1);
1b6b029e 5992 ret = get_errno(nanosleep(&req, &rem));
53a5960a
PB		 5993 if (is_error(ret) && arg2) {
5994 host_to_target_timespec(arg2, &rem);
1b6b029e
FB		 5995 }
5996 }
5997 break;
e5febef5 5998#ifdef TARGET_NR_query_module
31e31b8a 5999 case TARGET_NR_query_module:
5cd4393b 6000 goto unimplemented;
e5febef5
TS		 6001#endif
6002#ifdef TARGET_NR_nfsservctl
31e31b8a 6003 case TARGET_NR_nfsservctl:
5cd4393b 6004 goto unimplemented;
e5febef5 6005#endif
31e31b8a 6006 case TARGET_NR_prctl:
e5574487
TS		 6007 switch (arg1)
6008 {
6009 case PR_GET_PDEATHSIG:
6010 {
6011 int deathsig;
6012 ret = get_errno(prctl(arg1, &deathsig, arg3, arg4, arg5));
2f619698
FB		 6013 if (!is_error(ret) && arg2
6014 && put_user_ual(deathsig, arg2))
6015 goto efault;
e5574487
TS		 6016 }
6017 break;
6018 default:
6019 ret = get_errno(prctl(arg1, arg2, arg3, arg4, arg5));
6020 break;
6021 }
39b9aae1 6022 break;
d2fd1af7
FB		 6023#ifdef TARGET_NR_arch_prctl
6024 case TARGET_NR_arch_prctl:
6025#if defined(TARGET_I386) && !defined(TARGET_ABI32)
6026 ret = do_arch_prctl(cpu_env, arg1, arg2);
6027 break;
6028#else
6029 goto unimplemented;
6030#endif
6031#endif
67867308 6032#ifdef TARGET_NR_pread
31e31b8a 6033 case TARGET_NR_pread:
a4ae00bc
AZ		 6034#ifdef TARGET_ARM
6035 if (((CPUARMState *)cpu_env)->eabi)
6036 arg4 = arg5;
6037#endif
579a97f7
FB		 6038 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6039 goto efault;
53a5960a
PB		 6040 ret = get_errno(pread(arg1, p, arg3, arg4));
6041 unlock_user(p, arg2, ret);
206f0fa7 6042 break;
31e31b8a 6043 case TARGET_NR_pwrite:
a4ae00bc
AZ		 6044#ifdef TARGET_ARM
6045 if (((CPUARMState *)cpu_env)->eabi)
6046 arg4 = arg5;
6047#endif
579a97f7
FB		 6048 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6049 goto efault;
53a5960a
PB		 6050 ret = get_errno(pwrite(arg1, p, arg3, arg4));
6051 unlock_user(p, arg2, 0);
206f0fa7 6052 break;
f2c7ba15
AJ		 6053#endif
6054#ifdef TARGET_NR_pread64
6055 case TARGET_NR_pread64:
6056 if (!(p = lock_user(VERIFY_WRITE, arg2, arg3, 0)))
6057 goto efault;
6058 ret = get_errno(pread64(arg1, p, arg3, target_offset64(arg4, arg5)));
6059 unlock_user(p, arg2, ret);
6060 break;
6061 case TARGET_NR_pwrite64:
6062 if (!(p = lock_user(VERIFY_READ, arg2, arg3, 1)))
6063 goto efault;
6064 ret = get_errno(pwrite64(arg1, p, arg3, target_offset64(arg4, arg5)));
6065 unlock_user(p, arg2, 0);
6066 break;
67867308 6067#endif
31e31b8a 6068 case TARGET_NR_getcwd:
579a97f7
FB		 6069 if (!(p = lock_user(VERIFY_WRITE, arg1, arg2, 0)))
6070 goto efault;
53a5960a
PB		 6071 ret = get_errno(sys_getcwd1(p, arg2));
6072 unlock_user(p, arg1, ret);
31e31b8a
FB		 6073 break;
6074 case TARGET_NR_capget:
5cd4393b 6075 goto unimplemented;
31e31b8a 6076 case TARGET_NR_capset:
5cd4393b 6077 goto unimplemented;
31e31b8a 6078 case TARGET_NR_sigaltstack:
198a74de
TS		 6079#if defined(TARGET_I386) || defined(TARGET_ARM) || defined(TARGET_MIPS) || \
6080 defined(TARGET_SPARC) || defined(TARGET_PPC) || defined(TARGET_ALPHA)
579a97f7 6081 ret = do_sigaltstack(arg1, arg2, get_sp_from_cpustate((CPUState *)cpu_env));
a04e134a
TS		 6082 break;
6083#else
5cd4393b 6084 goto unimplemented;
a04e134a 6085#endif
31e31b8a 6086 case TARGET_NR_sendfile:
5cd4393b 6087 goto unimplemented;
ebc05488 6088#ifdef TARGET_NR_getpmsg
31e31b8a 6089 case TARGET_NR_getpmsg:
5cd4393b 6090 goto unimplemented;
ebc05488
FB		 6091#endif
6092#ifdef TARGET_NR_putpmsg
31e31b8a 6093 case TARGET_NR_putpmsg:
5cd4393b 6094 goto unimplemented;
ebc05488 6095#endif
048f6b4d 6096#ifdef TARGET_NR_vfork
31e31b8a 6097 case TARGET_NR_vfork:
d865bab5
PB		 6098 ret = get_errno(do_fork(cpu_env, CLONE_VFORK | CLONE_VM | SIGCHLD,
6099 0, 0, 0, 0));
31e31b8a 6100 break;
048f6b4d 6101#endif
ebc05488 6102#ifdef TARGET_NR_ugetrlimit
31e31b8a 6103 case TARGET_NR_ugetrlimit:
728584be
FB		 6104 {
6105 struct rlimit rlim;
6106 ret = get_errno(getrlimit(arg1, &rlim));
6107 if (!is_error(ret)) {
53a5960a 6108 struct target_rlimit *target_rlim;
579a97f7
FB		 6109 if (!lock_user_struct(VERIFY_WRITE, target_rlim, arg2, 0))
6110 goto efault;
728584be
FB		 6111 target_rlim->rlim_cur = tswapl(rlim.rlim_cur);
6112 target_rlim->rlim_max = tswapl(rlim.rlim_max);
53a5960a 6113 unlock_user_struct(target_rlim, arg2, 1);
728584be
FB		 6114 }
6115 break;
6116 }
ebc05488 6117#endif
a315a145 6118#ifdef TARGET_NR_truncate64
31e31b8a 6119 case TARGET_NR_truncate64:
579a97f7
FB		 6120 if (!(p = lock_user_string(arg1)))
6121 goto efault;
53a5960a
PB		 6122 ret = target_truncate64(cpu_env, p, arg2, arg3, arg4);
6123 unlock_user(p, arg1, 0);
667f38b1 6124 break;
a315a145
FB		 6125#endif
6126#ifdef TARGET_NR_ftruncate64
31e31b8a 6127 case TARGET_NR_ftruncate64:
ce4defa0 6128 ret = target_ftruncate64(cpu_env, arg1, arg2, arg3, arg4);
667f38b1 6129 break;
a315a145
FB		 6130#endif
6131#ifdef TARGET_NR_stat64
31e31b8a 6132 case TARGET_NR_stat64:
579a97f7
FB		 6133 if (!(p = lock_user_string(arg1)))
6134 goto efault;
53a5960a
PB		 6135 ret = get_errno(stat(path(p), &st));
6136 unlock_user(p, arg1, 0);
6a24a778
AZ		 6137 if (!is_error(ret))
6138 ret = host_to_target_stat64(cpu_env, arg2, &st);
6139 break;
a315a145
FB		 6140#endif
6141#ifdef TARGET_NR_lstat64
31e31b8a 6142 case TARGET_NR_lstat64:
579a97f7
FB		 6143 if (!(p = lock_user_string(arg1)))
6144 goto efault;
53a5960a
PB		 6145 ret = get_errno(lstat(path(p), &st));
6146 unlock_user(p, arg1, 0);
6a24a778
AZ		 6147 if (!is_error(ret))
6148 ret = host_to_target_stat64(cpu_env, arg2, &st);
6149 break;
a315a145
FB		 6150#endif
6151#ifdef TARGET_NR_fstat64
31e31b8a 6152 case TARGET_NR_fstat64:
6a24a778
AZ		 6153 ret = get_errno(fstat(arg1, &st));
6154 if (!is_error(ret))
6155 ret = host_to_target_stat64(cpu_env, arg2, &st);
6156 break;
ce4defa0 6157#endif
9d33b76b
AJ		 6158#if (defined(TARGET_NR_fstatat64) || defined(TARGET_NR_newfstatat)) && \
6159 (defined(__NR_fstatat64) || defined(__NR_newfstatat))
6160#ifdef TARGET_NR_fstatat64
6a24a778 6161 case TARGET_NR_fstatat64:
9d33b76b
AJ		 6162#endif
6163#ifdef TARGET_NR_newfstatat
6164 case TARGET_NR_newfstatat:
6165#endif
6a24a778
AZ		 6166 if (!(p = lock_user_string(arg2)))
6167 goto efault;
9d33b76b 6168#ifdef __NR_fstatat64
6a24a778 6169 ret = get_errno(sys_fstatat64(arg1, path(p), &st, arg4));
9d33b76b
AJ		 6170#else
6171 ret = get_errno(sys_newfstatat(arg1, path(p), &st, arg4));
6172#endif
6a24a778
AZ		 6173 if (!is_error(ret))
6174 ret = host_to_target_stat64(cpu_env, arg3, &st);
60cd49d5 6175 break;
a315a145 6176#endif
67867308
FB		 6177#ifdef USE_UID16
6178 case TARGET_NR_lchown:
579a97f7
FB		 6179 if (!(p = lock_user_string(arg1)))
6180 goto efault;
53a5960a
PB		 6181 ret = get_errno(lchown(p, low2highuid(arg2), low2highgid(arg3)));
6182 unlock_user(p, arg1, 0);
67867308
FB		 6183 break;
6184 case TARGET_NR_getuid:
6185 ret = get_errno(high2lowuid(getuid()));
6186 break;
6187 case TARGET_NR_getgid:
6188 ret = get_errno(high2lowgid(getgid()));
6189 break;
6190 case TARGET_NR_geteuid:
6191 ret = get_errno(high2lowuid(geteuid()));
6192 break;
6193 case TARGET_NR_getegid:
6194 ret = get_errno(high2lowgid(getegid()));
6195 break;
6196 case TARGET_NR_setreuid:
6197 ret = get_errno(setreuid(low2highuid(arg1), low2highuid(arg2)));
6198 break;
6199 case TARGET_NR_setregid:
6200 ret = get_errno(setregid(low2highgid(arg1), low2highgid(arg2)));
6201 break;
6202 case TARGET_NR_getgroups:
6203 {
6204 int gidsetsize = arg1;
53a5960a 6205 uint16_t *target_grouplist;
67867308
FB		 6206 gid_t *grouplist;
6207 int i;
6208
6209 grouplist = alloca(gidsetsize * sizeof(gid_t));
6210 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6211 if (gidsetsize == 0)
6212 break;
67867308 6213 if (!is_error(ret)) {
579a97f7
FB		 6214 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
6215 if (!target_grouplist)
6216 goto efault;
a2155fcc 6217 for(i = 0;i < ret; i++)
67867308 6218 target_grouplist[i] = tswap16(grouplist[i]);
53a5960a 6219 unlock_user(target_grouplist, arg2, gidsetsize * 2);
67867308
FB		 6220 }
6221 }
6222 break;
6223 case TARGET_NR_setgroups:
6224 {
6225 int gidsetsize = arg1;
53a5960a 6226 uint16_t *target_grouplist;
67867308
FB		 6227 gid_t *grouplist;
6228 int i;
6229
6230 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6231 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
6232 if (!target_grouplist) {
6233 ret = -TARGET_EFAULT;
6234 goto fail;
6235 }
67867308
FB		 6236 for(i = 0;i < gidsetsize; i++)
6237 grouplist[i] = tswap16(target_grouplist[i]);
53a5960a 6238 unlock_user(target_grouplist, arg2, 0);
67867308
FB		 6239 ret = get_errno(setgroups(gidsetsize, grouplist));
6240 }
6241 break;
6242 case TARGET_NR_fchown:
6243 ret = get_errno(fchown(arg1, low2highuid(arg2), low2highgid(arg3)));
6244 break;
ccfa72b7
TS		 6245#if defined(TARGET_NR_fchownat) && defined(__NR_fchownat)
6246 case TARGET_NR_fchownat:
579a97f7
FB		 6247 if (!(p = lock_user_string(arg2)))
6248 goto efault;
6249 ret = get_errno(sys_fchownat(arg1, p, low2highuid(arg3), low2highgid(arg4), arg5));
6250 unlock_user(p, arg2, 0);
ccfa72b7
TS		 6251 break;
6252#endif
67867308
FB		 6253#ifdef TARGET_NR_setresuid
6254 case TARGET_NR_setresuid:
5fafdf24
TS		 6255 ret = get_errno(setresuid(low2highuid(arg1),
6256 low2highuid(arg2),
67867308
FB		 6257 low2highuid(arg3)));
6258 break;
6259#endif
6260#ifdef TARGET_NR_getresuid
6261 case TARGET_NR_getresuid:
6262 {
53a5960a 6263 uid_t ruid, euid, suid;
67867308
FB		 6264 ret = get_errno(getresuid(&ruid, &euid, &suid));
6265 if (!is_error(ret)) {
2f619698
FB		 6266 if (put_user_u16(high2lowuid(ruid), arg1)
6267 || put_user_u16(high2lowuid(euid), arg2)
6268 || put_user_u16(high2lowuid(suid), arg3))
6269 goto efault;
67867308
FB		 6270 }
6271 }
6272 break;
6273#endif
6274#ifdef TARGET_NR_getresgid
6275 case TARGET_NR_setresgid:
5fafdf24
TS		 6276 ret = get_errno(setresgid(low2highgid(arg1),
6277 low2highgid(arg2),
67867308
FB		 6278 low2highgid(arg3)));
6279 break;
6280#endif
6281#ifdef TARGET_NR_getresgid
6282 case TARGET_NR_getresgid:
6283 {
53a5960a 6284 gid_t rgid, egid, sgid;
67867308
FB		 6285 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6286 if (!is_error(ret)) {
2f619698
FB		 6287 if (put_user_u16(high2lowgid(rgid), arg1)
6288 || put_user_u16(high2lowgid(egid), arg2)
6289 || put_user_u16(high2lowgid(sgid), arg3))
6290 goto efault;
67867308
FB		 6291 }
6292 }
6293 break;
6294#endif
6295 case TARGET_NR_chown:
579a97f7
FB		 6296 if (!(p = lock_user_string(arg1)))
6297 goto efault;
53a5960a
PB		 6298 ret = get_errno(chown(p, low2highuid(arg2), low2highgid(arg3)));
6299 unlock_user(p, arg1, 0);
67867308
FB		 6300 break;
6301 case TARGET_NR_setuid:
6302 ret = get_errno(setuid(low2highuid(arg1)));
6303 break;
6304 case TARGET_NR_setgid:
6305 ret = get_errno(setgid(low2highgid(arg1)));
6306 break;
6307 case TARGET_NR_setfsuid:
6308 ret = get_errno(setfsuid(arg1));
6309 break;
6310 case TARGET_NR_setfsgid:
6311 ret = get_errno(setfsgid(arg1));
6312 break;
6313#endif /* USE_UID16 */
6314
a315a145 6315#ifdef TARGET_NR_lchown32
31e31b8a 6316 case TARGET_NR_lchown32:
579a97f7
FB		 6317 if (!(p = lock_user_string(arg1)))
6318 goto efault;
53a5960a
PB		 6319 ret = get_errno(lchown(p, arg2, arg3));
6320 unlock_user(p, arg1, 0);
b03c60f3 6321 break;
a315a145
FB		 6322#endif
6323#ifdef TARGET_NR_getuid32
31e31b8a 6324 case TARGET_NR_getuid32:
b03c60f3
FB		 6325 ret = get_errno(getuid());
6326 break;
a315a145 6327#endif
64b4d28c
AJ		 6328
6329#if defined(TARGET_NR_getxuid) && defined(TARGET_ALPHA)
6330 /* Alpha specific */
6331 case TARGET_NR_getxuid:
6332 {
6333 uid_t euid;
6334 euid=geteuid();
6335 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=euid;
6336 }
6337 ret = get_errno(getuid());
6338 break;
6339#endif
6340#if defined(TARGET_NR_getxgid) && defined(TARGET_ALPHA)
6341 /* Alpha specific */
6342 case TARGET_NR_getxgid:
6343 {
6344 uid_t egid;
6345 egid=getegid();
6346 ((CPUAlphaState *)cpu_env)->ir[IR_A4]=egid;
6347 }
6348 ret = get_errno(getgid());
6349 break;
6350#endif
6351
a315a145 6352#ifdef TARGET_NR_getgid32
31e31b8a 6353 case TARGET_NR_getgid32:
b03c60f3
FB		 6354 ret = get_errno(getgid());
6355 break;
a315a145
FB		 6356#endif
6357#ifdef TARGET_NR_geteuid32
31e31b8a 6358 case TARGET_NR_geteuid32:
b03c60f3
FB		 6359 ret = get_errno(geteuid());
6360 break;
a315a145
FB		 6361#endif
6362#ifdef TARGET_NR_getegid32
31e31b8a 6363 case TARGET_NR_getegid32:
b03c60f3
FB		 6364 ret = get_errno(getegid());
6365 break;
a315a145
FB		 6366#endif
6367#ifdef TARGET_NR_setreuid32
31e31b8a 6368 case TARGET_NR_setreuid32:
b03c60f3
FB		 6369 ret = get_errno(setreuid(arg1, arg2));
6370 break;
a315a145
FB		 6371#endif
6372#ifdef TARGET_NR_setregid32
31e31b8a 6373 case TARGET_NR_setregid32:
b03c60f3
FB		 6374 ret = get_errno(setregid(arg1, arg2));
6375 break;
a315a145
FB		 6376#endif
6377#ifdef TARGET_NR_getgroups32
31e31b8a 6378 case TARGET_NR_getgroups32:
99c475ab
FB		 6379 {
6380 int gidsetsize = arg1;
53a5960a 6381 uint32_t *target_grouplist;
99c475ab
FB		 6382 gid_t *grouplist;
6383 int i;
6384
6385 grouplist = alloca(gidsetsize * sizeof(gid_t));
6386 ret = get_errno(getgroups(gidsetsize, grouplist));
cb3bc233
AZ		 6387 if (gidsetsize == 0)
6388 break;
99c475ab 6389 if (!is_error(ret)) {
579a97f7
FB		 6390 target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 4, 0);
6391 if (!target_grouplist) {
6392 ret = -TARGET_EFAULT;
6393 goto fail;
6394 }
a2155fcc 6395 for(i = 0;i < ret; i++)
53a5960a
PB		 6396 target_grouplist[i] = tswap32(grouplist[i]);
6397 unlock_user(target_grouplist, arg2, gidsetsize * 4);
99c475ab
FB		 6398 }
6399 }
6400 break;
a315a145
FB		 6401#endif
6402#ifdef TARGET_NR_setgroups32
31e31b8a 6403 case TARGET_NR_setgroups32:
99c475ab
FB		 6404 {
6405 int gidsetsize = arg1;
53a5960a 6406 uint32_t *target_grouplist;
99c475ab
FB		 6407 gid_t *grouplist;
6408 int i;
3b46e624 6409
99c475ab 6410 grouplist = alloca(gidsetsize * sizeof(gid_t));
579a97f7
FB		 6411 target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 4, 1);
6412 if (!target_grouplist) {
6413 ret = -TARGET_EFAULT;
6414 goto fail;
6415 }
99c475ab 6416 for(i = 0;i < gidsetsize; i++)
53a5960a
PB		 6417 grouplist[i] = tswap32(target_grouplist[i]);
6418 unlock_user(target_grouplist, arg2, 0);
99c475ab
FB		 6419 ret = get_errno(setgroups(gidsetsize, grouplist));
6420 }
6421 break;
a315a145
FB		 6422#endif
6423#ifdef TARGET_NR_fchown32
31e31b8a 6424 case TARGET_NR_fchown32:
b03c60f3
FB		 6425 ret = get_errno(fchown(arg1, arg2, arg3));
6426 break;
a315a145
FB		 6427#endif
6428#ifdef TARGET_NR_setresuid32
31e31b8a 6429 case TARGET_NR_setresuid32:
b03c60f3
FB		 6430 ret = get_errno(setresuid(arg1, arg2, arg3));
6431 break;
a315a145
FB		 6432#endif
6433#ifdef TARGET_NR_getresuid32
31e31b8a 6434 case TARGET_NR_getresuid32:
b03c60f3 6435 {
53a5960a 6436 uid_t ruid, euid, suid;
b03c60f3
FB		 6437 ret = get_errno(getresuid(&ruid, &euid, &suid));
6438 if (!is_error(ret)) {
2f619698
FB		 6439 if (put_user_u32(ruid, arg1)
6440 || put_user_u32(euid, arg2)
6441 || put_user_u32(suid, arg3))
6442 goto efault;
b03c60f3
FB		 6443 }
6444 }
6445 break;
a315a145
FB		 6446#endif
6447#ifdef TARGET_NR_setresgid32
31e31b8a 6448 case TARGET_NR_setresgid32:
b03c60f3
FB		 6449 ret = get_errno(setresgid(arg1, arg2, arg3));
6450 break;
a315a145
FB		 6451#endif
6452#ifdef TARGET_NR_getresgid32
31e31b8a 6453 case TARGET_NR_getresgid32:
b03c60f3 6454 {
53a5960a 6455 gid_t rgid, egid, sgid;
b03c60f3
FB		 6456 ret = get_errno(getresgid(&rgid, &egid, &sgid));
6457 if (!is_error(ret)) {
2f619698
FB		 6458 if (put_user_u32(rgid, arg1)
6459 || put_user_u32(egid, arg2)
6460 || put_user_u32(sgid, arg3))
6461 goto efault;
b03c60f3
FB		 6462 }
6463 }
6464 break;
a315a145
FB		 6465#endif
6466#ifdef TARGET_NR_chown32
31e31b8a 6467 case TARGET_NR_chown32:
579a97f7
FB		 6468 if (!(p = lock_user_string(arg1)))
6469 goto efault;
53a5960a
PB		 6470 ret = get_errno(chown(p, arg2, arg3));
6471 unlock_user(p, arg1, 0);
b03c60f3 6472 break;
a315a145
FB		 6473#endif
6474#ifdef TARGET_NR_setuid32
31e31b8a 6475 case TARGET_NR_setuid32:
b03c60f3
FB		 6476 ret = get_errno(setuid(arg1));
6477 break;
a315a145
FB		 6478#endif
6479#ifdef TARGET_NR_setgid32
31e31b8a 6480 case TARGET_NR_setgid32:
b03c60f3
FB		 6481 ret = get_errno(setgid(arg1));
6482 break;
a315a145
FB		 6483#endif
6484#ifdef TARGET_NR_setfsuid32
31e31b8a 6485 case TARGET_NR_setfsuid32:
b03c60f3
FB		 6486 ret = get_errno(setfsuid(arg1));
6487 break;
a315a145
FB		 6488#endif
6489#ifdef TARGET_NR_setfsgid32
31e31b8a 6490 case TARGET_NR_setfsgid32:
b03c60f3
FB		 6491 ret = get_errno(setfsgid(arg1));
6492 break;
a315a145 6493#endif
67867308 6494
31e31b8a 6495 case TARGET_NR_pivot_root:
b03c60f3 6496 goto unimplemented;
ffa65c3b 6497#ifdef TARGET_NR_mincore
31e31b8a 6498 case TARGET_NR_mincore:
04bb9ace
AJ		 6499 {
6500 void *a;
6501 ret = -TARGET_EFAULT;
6502 if (!(a = lock_user(VERIFY_READ, arg1,arg2, 0)))
6503 goto efault;
6504 if (!(p = lock_user_string(arg3)))
6505 goto mincore_fail;
6506 ret = get_errno(mincore(a, arg2, p));
6507 unlock_user(p, arg3, ret);
6508 mincore_fail:
6509 unlock_user(a, arg1, 0);
6510 }
6511 break;
ffa65c3b 6512#endif
408321b6
AJ		 6513#ifdef TARGET_NR_arm_fadvise64_64
6514 case TARGET_NR_arm_fadvise64_64:
6515 {
6516 /*
6517 * arm_fadvise64_64 looks like fadvise64_64 but
6518 * with different argument order
6519 */
6520 abi_long temp;
6521 temp = arg3;
6522 arg3 = arg4;
6523 arg4 = temp;
6524 }
6525#endif
6526#if defined(TARGET_NR_fadvise64_64) || defined(TARGET_NR_arm_fadvise64_64)
6527#ifdef TARGET_NR_fadvise64_64
6528 case TARGET_NR_fadvise64_64:
6529#endif
6530 /* This is a hint, so ignoring and returning success is ok. */
6531 ret = get_errno(0);
6532 break;
6533#endif
ffa65c3b 6534#ifdef TARGET_NR_madvise
31e31b8a 6535 case TARGET_NR_madvise:
24836689
PB		 6536 /* A straight passthrough may not be safe because qemu sometimes
6537 turns private flie-backed mappings into anonymous mappings.
6538 This will break MADV_DONTNEED.
6539 This is a hint, so ignoring and returning success is ok. */
6540 ret = get_errno(0);
6541 break;
ffa65c3b 6542#endif
992f48a0 6543#if TARGET_ABI_BITS == 32
31e31b8a 6544 case TARGET_NR_fcntl64:
77e4672d 6545 {
b1e341eb 6546 int cmd;
77e4672d 6547 struct flock64 fl;
53a5960a 6548 struct target_flock64 *target_fl;
ce4defa0 6549#ifdef TARGET_ARM
53a5960a 6550 struct target_eabi_flock64 *target_efl;
ce4defa0 6551#endif
77e4672d 6552
5f106811
APR		 6553 cmd = target_to_host_fcntl_cmd(arg2);
6554 if (cmd == -TARGET_EINVAL)
6555 return cmd;
b1e341eb 6556
60cd49d5 6557 switch(arg2) {
b1e341eb 6558 case TARGET_F_GETLK64:
5813427b
TS		 6559#ifdef TARGET_ARM
6560 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6561 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6562 goto efault;
5813427b
TS		 6563 fl.l_type = tswap16(target_efl->l_type);
6564 fl.l_whence = tswap16(target_efl->l_whence);
6565 fl.l_start = tswap64(target_efl->l_start);
6566 fl.l_len = tswap64(target_efl->l_len);
6567 fl.l_pid = tswapl(target_efl->l_pid);
6568 unlock_user_struct(target_efl, arg3, 0);
6569 } else
6570#endif
6571 {
9ee1fa2c
FB		 6572 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6573 goto efault;
5813427b
TS		 6574 fl.l_type = tswap16(target_fl->l_type);
6575 fl.l_whence = tswap16(target_fl->l_whence);
6576 fl.l_start = tswap64(target_fl->l_start);
6577 fl.l_len = tswap64(target_fl->l_len);
6578 fl.l_pid = tswapl(target_fl->l_pid);
6579 unlock_user_struct(target_fl, arg3, 0);
6580 }
b1e341eb 6581 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6582 if (ret == 0) {
ce4defa0
PB		 6583#ifdef TARGET_ARM
6584 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6585 if (!lock_user_struct(VERIFY_WRITE, target_efl, arg3, 0))
6586 goto efault;
ce4defa0
PB		 6587 target_efl->l_type = tswap16(fl.l_type);
6588 target_efl->l_whence = tswap16(fl.l_whence);
6589 target_efl->l_start = tswap64(fl.l_start);
6590 target_efl->l_len = tswap64(fl.l_len);
6591 target_efl->l_pid = tswapl(fl.l_pid);
53a5960a 6592 unlock_user_struct(target_efl, arg3, 1);
ce4defa0
PB		 6593 } else
6594#endif
6595 {
9ee1fa2c
FB		 6596 if (!lock_user_struct(VERIFY_WRITE, target_fl, arg3, 0))
6597 goto efault;
ce4defa0
PB		 6598 target_fl->l_type = tswap16(fl.l_type);
6599 target_fl->l_whence = tswap16(fl.l_whence);
6600 target_fl->l_start = tswap64(fl.l_start);
6601 target_fl->l_len = tswap64(fl.l_len);
6602 target_fl->l_pid = tswapl(fl.l_pid);
53a5960a 6603 unlock_user_struct(target_fl, arg3, 1);
ce4defa0 6604 }
77e4672d
FB		 6605 }
6606 break;
6607
b1e341eb
TS		 6608 case TARGET_F_SETLK64:
6609 case TARGET_F_SETLKW64:
ce4defa0
PB		 6610#ifdef TARGET_ARM
6611 if (((CPUARMState *)cpu_env)->eabi) {
9ee1fa2c
FB		 6612 if (!lock_user_struct(VERIFY_READ, target_efl, arg3, 1))
6613 goto efault;
ce4defa0
PB		 6614 fl.l_type = tswap16(target_efl->l_type);
6615 fl.l_whence = tswap16(target_efl->l_whence);
6616 fl.l_start = tswap64(target_efl->l_start);
6617 fl.l_len = tswap64(target_efl->l_len);
6618 fl.l_pid = tswapl(target_efl->l_pid);
53a5960a 6619 unlock_user_struct(target_efl, arg3, 0);
ce4defa0
PB		 6620 } else
6621#endif
6622 {
9ee1fa2c
FB		 6623 if (!lock_user_struct(VERIFY_READ, target_fl, arg3, 1))
6624 goto efault;
ce4defa0
PB		 6625 fl.l_type = tswap16(target_fl->l_type);
6626 fl.l_whence = tswap16(target_fl->l_whence);
6627 fl.l_start = tswap64(target_fl->l_start);
6628 fl.l_len = tswap64(target_fl->l_len);
6629 fl.l_pid = tswapl(target_fl->l_pid);
53a5960a 6630 unlock_user_struct(target_fl, arg3, 0);
ce4defa0 6631 }
b1e341eb 6632 ret = get_errno(fcntl(arg1, cmd, &fl));
77e4672d 6633 break;
60cd49d5 6634 default:
5f106811 6635 ret = do_fcntl(arg1, arg2, arg3);
60cd49d5
FB		 6636 break;
6637 }
77e4672d
FB		 6638 break;
6639 }
60cd49d5 6640#endif
7d600c80
TS		 6641#ifdef TARGET_NR_cacheflush
6642 case TARGET_NR_cacheflush:
6643 /* self-modifying code is handled automatically, so nothing needed */
6644 ret = 0;
6645 break;
6646#endif
ebc05488 6647#ifdef TARGET_NR_security
31e31b8a
FB		 6648 case TARGET_NR_security:
6649 goto unimplemented;
c573ff67
FB		 6650#endif
6651#ifdef TARGET_NR_getpagesize
6652 case TARGET_NR_getpagesize:
6653 ret = TARGET_PAGE_SIZE;
6654 break;
ebc05488 6655#endif
31e31b8a
FB		 6656 case TARGET_NR_gettid:
6657 ret = get_errno(gettid());
6658 break;
e5febef5 6659#ifdef TARGET_NR_readahead
31e31b8a 6660 case TARGET_NR_readahead:
2054ac9b
AJ		 6661#if TARGET_ABI_BITS == 32
6662#ifdef TARGET_ARM
6663 if (((CPUARMState *)cpu_env)->eabi)
6664 {
6665 arg2 = arg3;
6666 arg3 = arg4;
6667 arg4 = arg5;
6668 }
6669#endif
6670 ret = get_errno(readahead(arg1, ((off64_t)arg3 << 32) | arg2, arg4));
6671#else
6672 ret = get_errno(readahead(arg1, arg2, arg3));
6673#endif
6674 break;
e5febef5 6675#endif
ebc05488 6676#ifdef TARGET_NR_setxattr
31e31b8a
FB		 6677 case TARGET_NR_setxattr:
6678 case TARGET_NR_lsetxattr:
6679 case TARGET_NR_fsetxattr:
6680 case TARGET_NR_getxattr:
6681 case TARGET_NR_lgetxattr:
6682 case TARGET_NR_fgetxattr:
6683 case TARGET_NR_listxattr:
6684 case TARGET_NR_llistxattr:
6685 case TARGET_NR_flistxattr:
6686 case TARGET_NR_removexattr:
6687 case TARGET_NR_lremovexattr:
6688 case TARGET_NR_fremovexattr:
6f932f91
AP		 6689 ret = -TARGET_EOPNOTSUPP;
6690 break;
ebc05488
FB		 6691#endif
6692#ifdef TARGET_NR_set_thread_area
5cd4393b 6693 case TARGET_NR_set_thread_area:
8d18e893 6694#if defined(TARGET_MIPS)
6f5b89a0
TS		 6695 ((CPUMIPSState *) cpu_env)->tls_value = arg1;
6696 ret = 0;
6697 break;
ef96779b
EI		 6698#elif defined(TARGET_CRIS)
6699 if (arg1 & 0xff)
6700 ret = -TARGET_EINVAL;
6701 else {
6702 ((CPUCRISState *) cpu_env)->pregs[PR_PID] = arg1;
6703 ret = 0;
6704 }
6705 break;
8d18e893
FB		 6706#elif defined(TARGET_I386) && defined(TARGET_ABI32)
6707 ret = do_set_thread_area(cpu_env, arg1);
6708 break;
6f5b89a0
TS		 6709#else
6710 goto unimplemented_nowarn;
6711#endif
6712#endif
6713#ifdef TARGET_NR_get_thread_area
5cd4393b 6714 case TARGET_NR_get_thread_area:
8d18e893
FB		 6715#if defined(TARGET_I386) && defined(TARGET_ABI32)
6716 ret = do_get_thread_area(cpu_env, arg1);
6717#else
5cd4393b 6718 goto unimplemented_nowarn;
48dc41eb 6719#endif
8d18e893 6720#endif
48dc41eb
FB		 6721#ifdef TARGET_NR_getdomainname
6722 case TARGET_NR_getdomainname:
6723 goto unimplemented_nowarn;
ebc05488 6724#endif
6f5b89a0 6725
b5906f95
TS		 6726#ifdef TARGET_NR_clock_gettime
6727 case TARGET_NR_clock_gettime:
6728 {
6729 struct timespec ts;
6730 ret = get_errno(clock_gettime(arg1, &ts));
6731 if (!is_error(ret)) {
6732 host_to_target_timespec(arg2, &ts);
6733 }
6734 break;
6735 }
6736#endif
6737#ifdef TARGET_NR_clock_getres
6738 case TARGET_NR_clock_getres:
6739 {
6740 struct timespec ts;
6741 ret = get_errno(clock_getres(arg1, &ts));
6742 if (!is_error(ret)) {
6743 host_to_target_timespec(arg2, &ts);
6744 }
6745 break;
6746 }
6747#endif
63d7651b
PB		 6748#ifdef TARGET_NR_clock_nanosleep
6749 case TARGET_NR_clock_nanosleep:
6750 {
6751 struct timespec ts;
6752 target_to_host_timespec(&ts, arg3);
6753 ret = get_errno(clock_nanosleep(arg1, arg2, &ts, arg4 ? &ts : NULL));
6754 if (arg4)
6755 host_to_target_timespec(arg4, &ts);
6756 break;
6757 }
6758#endif
b5906f95 6759
6f5b89a0
TS		 6760#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
6761 case TARGET_NR_set_tid_address:
579a97f7
FB		 6762 ret = get_errno(set_tid_address((int *)g2h(arg1)));
6763 break;
6f5b89a0
TS		 6764#endif
6765
3ae43202 6766#if defined(TARGET_NR_tkill) && defined(__NR_tkill)
4cae1d16 6767 case TARGET_NR_tkill:
4cb05961 6768 ret = get_errno(sys_tkill((int)arg1, target_to_host_signal(arg2)));
4cae1d16
TS		 6769 break;
6770#endif
6771
3ae43202 6772#if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)
71455574 6773 case TARGET_NR_tgkill:
4cb05961
PB		 6774 ret = get_errno(sys_tgkill((int)arg1, (int)arg2,
6775 target_to_host_signal(arg3)));
71455574
TS		 6776 break;
6777#endif
6778
4f2b1fe8
TS		 6779#ifdef TARGET_NR_set_robust_list
6780 case TARGET_NR_set_robust_list:
6781 goto unimplemented_nowarn;
6782#endif
6783
9007f0ef
TS		 6784#if defined(TARGET_NR_utimensat) && defined(__NR_utimensat)
6785 case TARGET_NR_utimensat:
6786 {
ebc996f3
RV		 6787 struct timespec *tsp, ts[2];
6788 if (!arg3) {
6789 tsp = NULL;
6790 } else {
6791 target_to_host_timespec(ts, arg3);
6792 target_to_host_timespec(ts+1, arg3+sizeof(struct target_timespec));
6793 tsp = ts;
6794 }
9007f0ef 6795 if (!arg2)
ebc996f3 6796 ret = get_errno(sys_utimensat(arg1, NULL, tsp, arg4));
9007f0ef 6797 else {
579a97f7 6798 if (!(p = lock_user_string(arg2))) {
0da46a6e 6799 ret = -TARGET_EFAULT;
579a97f7
FB		 6800 goto fail;
6801 }
ebc996f3 6802 ret = get_errno(sys_utimensat(arg1, path(p), tsp, arg4));
579a97f7 6803 unlock_user(p, arg2, 0);
9007f0ef
TS		 6804 }
6805 }
6806 break;
6807#endif
bd0c5661
PB		 6808#if defined(USE_NPTL)
6809 case TARGET_NR_futex:
6810 ret = do_futex(arg1, arg2, arg3, arg4, arg5, arg6);
6811 break;
6812#endif
dbfe4c36 6813#if defined(TARGET_NR_inotify_init) && defined(__NR_inotify_init)
39b59763
AJ		 6814 case TARGET_NR_inotify_init:
6815 ret = get_errno(sys_inotify_init());
6816 break;
6817#endif
dbfe4c36 6818#if defined(TARGET_NR_inotify_add_watch) && defined(__NR_inotify_add_watch)
39b59763
AJ		 6819 case TARGET_NR_inotify_add_watch:
6820 p = lock_user_string(arg2);
6821 ret = get_errno(sys_inotify_add_watch(arg1, path(p), arg3));
6822 unlock_user(p, arg2, 0);
6823 break;
6824#endif
dbfe4c36 6825#if defined(TARGET_NR_inotify_rm_watch) && defined(__NR_inotify_rm_watch)
39b59763
AJ		 6826 case TARGET_NR_inotify_rm_watch:
6827 ret = get_errno(sys_inotify_rm_watch(arg1, arg2));
6828 break;
6829#endif
9007f0ef 6830
24e1003a
AJ		 6831#ifdef TARGET_NR_mq_open
6832 case TARGET_NR_mq_open:
6833 {
6834 struct mq_attr posix_mq_attr;
6835
6836 p = lock_user_string(arg1 - 1);
6837 if (arg4 != 0)
6838 copy_from_user_mq_attr (&posix_mq_attr, arg4);
6839 ret = get_errno(mq_open(p, arg2, arg3, &posix_mq_attr));
6840 unlock_user (p, arg1, 0);
6841 }
6842 break;
6843
6844 case TARGET_NR_mq_unlink:
6845 p = lock_user_string(arg1 - 1);
6846 ret = get_errno(mq_unlink(p));
6847 unlock_user (p, arg1, 0);
6848 break;
6849
6850 case TARGET_NR_mq_timedsend:
6851 {
6852 struct timespec ts;
6853
6854 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6855 if (arg5 != 0) {
6856 target_to_host_timespec(&ts, arg5);
6857 ret = get_errno(mq_timedsend(arg1, p, arg3, arg4, &ts));
6858 host_to_target_timespec(arg5, &ts);
6859 }
6860 else
6861 ret = get_errno(mq_send(arg1, p, arg3, arg4));
6862 unlock_user (p, arg2, arg3);
6863 }
6864 break;
6865
6866 case TARGET_NR_mq_timedreceive:
6867 {
6868 struct timespec ts;
6869 unsigned int prio;
6870
6871 p = lock_user (VERIFY_READ, arg2, arg3, 1);
6872 if (arg5 != 0) {
6873 target_to_host_timespec(&ts, arg5);
6874 ret = get_errno(mq_timedreceive(arg1, p, arg3, &prio, &ts));
6875 host_to_target_timespec(arg5, &ts);
6876 }
6877 else
6878 ret = get_errno(mq_receive(arg1, p, arg3, &prio));
6879 unlock_user (p, arg2, arg3);
6880 if (arg4 != 0)
6881 put_user_u32(prio, arg4);
6882 }
6883 break;
6884
6885 /* Not implemented for now... */
6886/* case TARGET_NR_mq_notify: */
6887/* break; */
6888
6889 case TARGET_NR_mq_getsetattr:
6890 {
6891 struct mq_attr posix_mq_attr_in, posix_mq_attr_out;
6892 ret = 0;
6893 if (arg3 != 0) {
6894 ret = mq_getattr(arg1, &posix_mq_attr_out);
6895 copy_to_user_mq_attr(arg3, &posix_mq_attr_out);
6896 }
6897 if (arg2 != 0) {
6898 copy_from_user_mq_attr(&posix_mq_attr_in, arg2);
6899 ret |= mq_setattr(arg1, &posix_mq_attr_in, &posix_mq_attr_out);
6900 }
6901
6902 }
6903 break;
6904#endif
6905
3ce34dfb
VS		 6906#ifdef CONFIG_SPLICE
6907#ifdef TARGET_NR_tee
6908 case TARGET_NR_tee:
6909 {
6910 ret = get_errno(tee(arg1,arg2,arg3,arg4));
6911 }
6912 break;
6913#endif
6914#ifdef TARGET_NR_splice
6915 case TARGET_NR_splice:
6916 {
6917 loff_t loff_in, loff_out;
6918 loff_t *ploff_in = NULL, *ploff_out = NULL;
6919 if(arg2) {
6920 get_user_u64(loff_in, arg2);
6921 ploff_in = &loff_in;
6922 }
6923 if(arg4) {
6924 get_user_u64(loff_out, arg2);
6925 ploff_out = &loff_out;
6926 }
6927 ret = get_errno(splice(arg1, ploff_in, arg3, ploff_out, arg5, arg6));
6928 }
6929 break;
6930#endif
6931#ifdef TARGET_NR_vmsplice
6932 case TARGET_NR_vmsplice:
6933 {
6934 int count = arg3;
6935 struct iovec *vec;
6936
6937 vec = alloca(count * sizeof(struct iovec));
6938 if (lock_iovec(VERIFY_READ, vec, arg2, count, 1) < 0)
6939 goto efault;
6940 ret = get_errno(vmsplice(arg1, vec, count, arg4));
6941 unlock_iovec(vec, arg2, count, 0);
6942 }
6943 break;
6944#endif
6945#endif /* CONFIG_SPLICE */
31e31b8a
FB		 6946 default:
6947 unimplemented:
5cd4393b 6948 gemu_log("qemu: Unsupported syscall: %d\n", num);
4f2b1fe8 6949#if defined(TARGET_NR_setxattr) || defined(TARGET_NR_get_thread_area) || defined(TARGET_NR_getdomainname) || defined(TARGET_NR_set_robust_list)
5cd4393b 6950 unimplemented_nowarn:
80a9d035 6951#endif
0da46a6e 6952 ret = -TARGET_ENOSYS;
31e31b8a
FB		 6953 break;
6954 }
579a97f7 6955fail:
c573ff67
FB		 6956#ifdef DEBUG
6957 gemu_log(" = %ld\n", ret);
6958#endif
b92c47c1
TS		 6959 if(do_strace)
6960 print_syscall_ret(num, ret);
31e31b8a 6961 return ret;
579a97f7
FB		 6962efault:
6963 ret = -TARGET_EFAULT;
6964 goto fail;
31e31b8a 6965}
Mirror of https://git.qemu.org/git/qemu.git